diff options
Diffstat (limited to 'include/linux')
388 files changed, 7282 insertions, 5725 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 5e6a876e17ba..efff750f326d 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -723,7 +723,7 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const void *acpi_device_get_match_data(const struct device *dev); extern bool acpi_driver_match_device(struct device *dev, const struct device_driver *drv); -int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); +int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *); int acpi_device_modalias(struct device *, char *, int); struct platform_device *acpi_create_platform_device(struct acpi_device *, @@ -950,6 +950,12 @@ static inline bool acpi_driver_match_device(struct device *dev, return false; } +static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, + u64 rev, u64 funcs) +{ + return false; +} + static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 func, @@ -958,7 +964,16 @@ static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, return NULL; } -static inline int acpi_device_uevent_modalias(struct device *dev, +static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle, + const guid_t *guid, + u64 rev, u64 func, + union acpi_object *argv4, + acpi_object_type type) +{ + return NULL; +} + +static inline int acpi_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env) { return -ENODEV; diff --git a/include/linux/amba/pl093.h b/include/linux/amba/pl093.h deleted file mode 100644 index b17166e3b49a..000000000000 --- a/include/linux/amba/pl093.h +++ /dev/null @@ -1,77 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* linux/amba/pl093.h - * - * Copyright (c) 2008 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * AMBA PL093 SSMC (synchronous static memory controller) - * See DDI0236.pdf (r0p4) for more details -*/ - -#define SMB_BANK(x) ((x) * 0x20) /* each bank control set is 0x20 apart */ - -/* Offsets for SMBxxxxRy registers */ - -#define SMBIDCYR (0x00) -#define SMBWSTRDR (0x04) -#define SMBWSTWRR (0x08) -#define SMBWSTOENR (0x0C) -#define SMBWSTWENR (0x10) -#define SMBCR (0x14) -#define SMBSR (0x18) -#define SMBWSTBRDR (0x1C) - -/* Masks for SMB registers */ -#define IDCY_MASK (0xf) -#define WSTRD_MASK (0xf) -#define WSTWR_MASK (0xf) -#define WSTOEN_MASK (0xf) -#define WSTWEN_MASK (0xf) - -/* Notes from datasheet: - * WSTOEN <= WSTRD - * WSTWEN <= WSTWR - * - * WSTOEN is not used with nWAIT - */ - -/* SMBCR bit definitions */ -#define SMBCR_BIWRITEEN (1 << 21) -#define SMBCR_ADDRVALIDWRITEEN (1 << 20) -#define SMBCR_SYNCWRITE (1 << 17) -#define SMBCR_BMWRITE (1 << 16) -#define SMBCR_WRAPREAD (1 << 14) -#define SMBCR_BIREADEN (1 << 13) -#define SMBCR_ADDRVALIDREADEN (1 << 12) -#define SMBCR_SYNCREAD (1 << 9) -#define SMBCR_BMREAD (1 << 8) -#define SMBCR_SMBLSPOL (1 << 6) -#define SMBCR_WP (1 << 3) -#define SMBCR_WAITEN (1 << 2) -#define SMBCR_WAITPOL (1 << 1) -#define SMBCR_RBLE (1 << 0) - -#define SMBCR_BURSTLENWRITE_MASK (3 << 18) -#define SMBCR_BURSTLENWRITE_4 (0 << 18) -#define SMBCR_BURSTLENWRITE_8 (1 << 18) -#define SMBCR_BURSTLENWRITE_RESERVED (2 << 18) -#define SMBCR_BURSTLENWRITE_CONTINUOUS (3 << 18) - -#define SMBCR_BURSTLENREAD_MASK (3 << 10) -#define SMBCR_BURSTLENREAD_4 (0 << 10) -#define SMBCR_BURSTLENREAD_8 (1 << 10) -#define SMBCR_BURSTLENREAD_16 (2 << 10) -#define SMBCR_BURSTLENREAD_CONTINUOUS (3 << 10) - -#define SMBCR_MW_MASK (3 << 4) -#define SMBCR_MW_8BIT (0 << 4) -#define SMBCR_MW_16BIT (1 << 4) -#define SMBCR_MW_M32BIT (2 << 4) - -/* SSMC status registers */ -#define SSMCCSR (0x200) -#define SSMCCR (0x204) -#define SSMCITCR (0x208) -#define SSMCITIP (0x20C) -#define SSMCITIOP (0x210) diff --git a/include/linux/amd-pstate.h b/include/linux/amd-pstate.h index 1c4b8659f171..f5f22418e64b 100644 --- a/include/linux/amd-pstate.h +++ b/include/linux/amd-pstate.h @@ -12,6 +12,11 @@ #include <linux/pm_qos.h> +#define AMD_CPPC_EPP_PERFORMANCE 0x00 +#define AMD_CPPC_EPP_BALANCE_PERFORMANCE 0x80 +#define AMD_CPPC_EPP_BALANCE_POWERSAVE 0xBF +#define AMD_CPPC_EPP_POWERSAVE 0xFF + /********************************************************************* * AMD P-state INTERFACE * *********************************************************************/ @@ -47,6 +52,10 @@ struct amd_aperf_mperf { * @prev: Last Aperf/Mperf/tsc count value read from register * @freq: current cpu frequency value * @boost_supported: check whether the Processor or SBIOS supports boost mode + * @epp_policy: Last saved policy used to set energy-performance preference + * @epp_cached: Cached CPPC energy-performance preference value + * @policy: Cpufreq policy value + * @cppc_cap1_cached Cached MSR_AMD_CPPC_CAP1 register value * * The amd_cpudata is key private data for each CPU thread in AMD P-State, and * represents all the attributes and goals that AMD P-State requests at runtime. @@ -72,6 +81,29 @@ struct amd_cpudata { u64 freq; bool boost_supported; + + /* EPP feature related attributes*/ + s16 epp_policy; + s16 epp_cached; + u32 policy; + u64 cppc_cap1_cached; + bool suspended; }; +/* + * enum amd_pstate_mode - driver working mode of amd pstate + */ +enum amd_pstate_mode { + AMD_PSTATE_DISABLE = 0, + AMD_PSTATE_PASSIVE, + AMD_PSTATE_ACTIVE, + AMD_PSTATE_MAX, +}; + +static const char * const amd_pstate_mode_string[] = { + [AMD_PSTATE_DISABLE] = "disable", + [AMD_PSTATE_PASSIVE] = "passive", + [AMD_PSTATE_ACTIVE] = "active", + NULL, +}; #endif /* _LINUX_AMD_PSTATE_H */ diff --git a/include/linux/audit.h b/include/linux/audit.h index 3608992848d3..31086a72e32a 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -14,6 +14,7 @@ #include <linux/audit_arch.h> #include <uapi/linux/audit.h> #include <uapi/linux/netfilter/nf_tables.h> +#include <uapi/linux/fanotify.h> #define AUDIT_INO_UNSET ((unsigned long)-1) #define AUDIT_DEV_UNSET ((dev_t)-1) @@ -416,7 +417,7 @@ extern void __audit_log_capset(const struct cred *new, const struct cred *old); extern void __audit_mmap_fd(int fd, int flags); extern void __audit_openat2_how(struct open_how *how); extern void __audit_log_kern_module(char *name); -extern void __audit_fanotify(unsigned int response); +extern void __audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar); extern void __audit_tk_injoffset(struct timespec64 offset); extern void __audit_ntp_log(const struct audit_ntp_data *ad); extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries, @@ -523,10 +524,10 @@ static inline void audit_log_kern_module(char *name) __audit_log_kern_module(name); } -static inline void audit_fanotify(unsigned int response) +static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar) { if (!audit_dummy_context()) - __audit_fanotify(response); + __audit_fanotify(response, friar); } static inline void audit_tk_injoffset(struct timespec64 offset) @@ -679,7 +680,7 @@ static inline void audit_log_kern_module(char *name) { } -static inline void audit_fanotify(unsigned int response) +static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar) { } static inline void audit_tk_injoffset(struct timespec64 offset) diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h index f68d0ec2d740..407f7005e6d6 100644 --- a/include/linux/auxvec.h +++ b/include/linux/auxvec.h @@ -4,6 +4,6 @@ #include <uapi/linux/auxvec.h> -#define AT_VECTOR_SIZE_BASE 20 /* NEW_AUX_ENT entries in auxiliary table */ +#define AT_VECTOR_SIZE_BASE 22 /* NEW_AUX_ENT entries in auxiliary table */ /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */ #endif /* _LINUX_AUXVEC_H */ diff --git a/include/linux/avf/virtchnl.h b/include/linux/avf/virtchnl.h index d91af50ac58d..c15221dcb75e 100644 --- a/include/linux/avf/virtchnl.h +++ b/include/linux/avf/virtchnl.h @@ -1,21 +1,13 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -/******************************************************************************* - * - * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 - 2014 Intel Corporation. - * - * Contact Information: - * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - ******************************************************************************/ +/* Copyright (c) 2013-2022, Intel Corporation. */ #ifndef _VIRTCHNL_H_ #define _VIRTCHNL_H_ /* Description: - * This header file describes the VF-PF communication protocol used - * by the drivers for all devices starting from our 40G product line + * This header file describes the Virtual Function (VF) - Physical Function + * (PF) communication protocol used by the drivers for all devices starting + * from our 40G product line * * Admin queue buffer usage: * desc->opcode is always aqc_opc_send_msg_to_pf @@ -29,8 +21,8 @@ * have a maximum of sixteen queues for all of its VSIs. * * The PF is required to return a status code in v_retval for all messages - * except RESET_VF, which does not require any response. The return value - * is of status_code type, defined in the shared type.h. + * except RESET_VF, which does not require any response. The returned value + * is of virtchnl_status_code type, defined here. * * In general, VF driver initialization should roughly follow the order of * these opcodes. The VF driver must first validate the API version of the @@ -122,9 +114,13 @@ enum virtchnl_ops { VIRTCHNL_OP_GET_STATS = 15, VIRTCHNL_OP_RSVD = 16, VIRTCHNL_OP_EVENT = 17, /* must ALWAYS be 17 */ + /* opcode 19 is reserved */ VIRTCHNL_OP_IWARP = 20, /* advanced opcode */ + VIRTCHNL_OP_RDMA = VIRTCHNL_OP_IWARP, VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP = 21, /* advanced opcode */ + VIRTCHNL_OP_CONFIG_RDMA_IRQ_MAP = VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP, VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP = 22, /* advanced opcode */ + VIRTCHNL_OP_RELEASE_RDMA_IRQ_MAP = VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP, VIRTCHNL_OP_CONFIG_RSS_KEY = 23, VIRTCHNL_OP_CONFIG_RSS_LUT = 24, VIRTCHNL_OP_GET_RSS_HENA_CAPS = 25, @@ -162,19 +158,6 @@ enum virtchnl_ops { #define VIRTCHNL_CHECK_UNION_LEN(n, X) enum virtchnl_static_asset_enum_##X \ { virtchnl_static_assert_##X = (n)/((sizeof(union X) == (n)) ? 1 : 0) } -/* Virtual channel message descriptor. This overlays the admin queue - * descriptor. All other data is passed in external buffers. - */ - -struct virtchnl_msg { - u8 pad[8]; /* AQ flags/opcode/len/retval fields */ - enum virtchnl_ops v_opcode; /* avoid confusion with desc->opcode */ - enum virtchnl_status_code v_retval; /* ditto for desc->retval */ - u32 vfid; /* used by PF when sending to VF */ -}; - -VIRTCHNL_CHECK_STRUCT_LEN(20, virtchnl_msg); - /* Message descriptions and data structures. */ /* VIRTCHNL_OP_VERSION @@ -235,7 +218,9 @@ enum virtchnl_vsi_type { struct virtchnl_vsi_resource { u16 vsi_id; u16 num_queue_pairs; - enum virtchnl_vsi_type vsi_type; + + /* see enum virtchnl_vsi_type */ + s32 vsi_type; u16 qset_handle; u8 default_mac_addr[ETH_ALEN]; }; @@ -247,7 +232,8 @@ VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource); * TX/RX Checksum offloading and TSO for non-tunnelled packets. */ #define VIRTCHNL_VF_OFFLOAD_L2 BIT(0) -#define VIRTCHNL_VF_OFFLOAD_IWARP BIT(1) +#define VIRTCHNL_VF_OFFLOAD_RDMA BIT(1) +#define VIRTCHNL_VF_CAP_RDMA VIRTCHNL_VF_OFFLOAD_RDMA #define VIRTCHNL_VF_OFFLOAD_RSS_AQ BIT(3) #define VIRTCHNL_VF_OFFLOAD_RSS_REG BIT(4) #define VIRTCHNL_VF_OFFLOAD_WB_ON_ITR BIT(5) @@ -324,7 +310,9 @@ struct virtchnl_rxq_info { u8 rxdid; u8 pad1[2]; u64 dma_ring_addr; - enum virtchnl_rx_hsplit rx_split_pos; /* deprecated with AVF 1.0 */ + + /* see enum virtchnl_rx_hsplit; deprecated with AVF 1.0 */ + s32 rx_split_pos; u32 pad2; }; @@ -336,6 +324,9 @@ VIRTCHNL_CHECK_STRUCT_LEN(40, virtchnl_rxq_info); * PF configures queues and returns status. * If the number of queues specified is greater than the number of queues * associated with the VSI, an error is returned and no queues are configured. + * NOTE: The VF is not required to configure all queues in a single request. + * It may send multiple messages. PF drivers must correctly handle all VF + * requests. */ struct virtchnl_queue_pair_info { /* NOTE: vsi_id and queue_id should be identical for both queues. */ @@ -373,8 +364,13 @@ struct virtchnl_vf_res_request { * VF uses this message to map vectors to queues. * The rxq_map and txq_map fields are bitmaps used to indicate which queues * are to be associated with the specified vector. - * The "other" causes are always mapped to vector 0. + * The "other" causes are always mapped to vector 0. The VF may not request + * that vector 0 be used for traffic. * PF configures interrupt mapping and returns status. + * NOTE: due to hardware requirements, all active queues (both TX and RX) + * should be mapped to interrupts, even if the driver intends to operate + * only in polling mode. In this case the interrupt may be disabled, but + * the ITR timer will still run to trigger writebacks. */ struct virtchnl_vector_map { u16 vsi_id; @@ -401,6 +397,9 @@ VIRTCHNL_CHECK_STRUCT_LEN(14, virtchnl_irq_map_info); * (Currently, we only support 16 queues per VF, but we make the field * u32 to allow for expansion.) * PF performs requested action and returns status. + * NOTE: The VF is not required to enable/disable all queues in a single + * request. It may send multiple messages. + * PF drivers must correctly handle all VF requests. */ struct virtchnl_queue_select { u16 vsi_id; @@ -965,8 +964,12 @@ enum virtchnl_flow_type { struct virtchnl_filter { union virtchnl_flow_spec data; union virtchnl_flow_spec mask; - enum virtchnl_flow_type flow_type; - enum virtchnl_action action; + + /* see enum virtchnl_flow_type */ + s32 flow_type; + + /* see enum virtchnl_action */ + s32 action; u32 action_meta; u8 field_flags; u8 pad[3]; @@ -994,7 +997,8 @@ enum virtchnl_event_codes { #define PF_EVENT_SEVERITY_CERTAIN_DOOM 255 struct virtchnl_pf_event { - enum virtchnl_event_codes event; + /* see enum virtchnl_event_codes */ + s32 event; union { /* If the PF driver does not support the new speed reporting * capabilities then use link_event else use link_event_adv to @@ -1007,6 +1011,7 @@ struct virtchnl_pf_event { struct { enum virtchnl_link_speed link_speed; bool link_status; + u8 pad[3]; } link_event; struct { /* link_speed provided in Mbps */ @@ -1016,39 +1021,41 @@ struct virtchnl_pf_event { } link_event_adv; } event_data; - int severity; + s32 severity; }; VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_pf_event); -/* VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP - * VF uses this message to request PF to map IWARP vectors to IWARP queues. - * The request for this originates from the VF IWARP driver through - * a client interface between VF LAN and VF IWARP driver. +/* used to specify if a ceq_idx or aeq_idx is invalid */ +#define VIRTCHNL_RDMA_INVALID_QUEUE_IDX 0xFFFF +/* VIRTCHNL_OP_CONFIG_RDMA_IRQ_MAP + * VF uses this message to request PF to map RDMA vectors to RDMA queues. + * The request for this originates from the VF RDMA driver through + * a client interface between VF LAN and VF RDMA driver. * A vector could have an AEQ and CEQ attached to it although - * there is a single AEQ per VF IWARP instance in which case - * most vectors will have an INVALID_IDX for aeq and valid idx for ceq. - * There will never be a case where there will be multiple CEQs attached - * to a single vector. + * there is a single AEQ per VF RDMA instance in which case + * most vectors will have an VIRTCHNL_RDMA_INVALID_QUEUE_IDX for aeq and valid + * idx for ceqs There will never be a case where there will be multiple CEQs + * attached to a single vector. * PF configures interrupt mapping and returns status. */ -struct virtchnl_iwarp_qv_info { +struct virtchnl_rdma_qv_info { u32 v_idx; /* msix_vector */ - u16 ceq_idx; - u16 aeq_idx; + u16 ceq_idx; /* set to VIRTCHNL_RDMA_INVALID_QUEUE_IDX if invalid */ + u16 aeq_idx; /* set to VIRTCHNL_RDMA_INVALID_QUEUE_IDX if invalid */ u8 itr_idx; u8 pad[3]; }; -VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_iwarp_qv_info); +VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_rdma_qv_info); -struct virtchnl_iwarp_qvlist_info { +struct virtchnl_rdma_qvlist_info { u32 num_vectors; - struct virtchnl_iwarp_qv_info qv_info[1]; + struct virtchnl_rdma_qv_info qv_info[1]; }; -VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_iwarp_qvlist_info); +VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_rdma_qvlist_info); /* VF reset states - these are written into the RSTAT register: * VFGEN_RSTAT on the VF @@ -1107,7 +1114,7 @@ enum virtchnl_rss_algorithm { #define VIRTCHNL_GET_PROTO_HDR_TYPE(hdr) \ (((hdr)->type) >> PROTO_HDR_SHIFT) #define VIRTCHNL_TEST_PROTO_HDR_TYPE(hdr, val) \ - ((hdr)->type == ((val) >> PROTO_HDR_SHIFT)) + ((hdr)->type == ((s32)((val) >> PROTO_HDR_SHIFT))) #define VIRTCHNL_TEST_PROTO_HDR(hdr, val) \ (VIRTCHNL_TEST_PROTO_HDR_TYPE((hdr), (val)) && \ VIRTCHNL_TEST_PROTO_HDR_FIELD((hdr), (val))) @@ -1203,7 +1210,8 @@ enum virtchnl_proto_hdr_field { }; struct virtchnl_proto_hdr { - enum virtchnl_proto_hdr_type type; + /* see enum virtchnl_proto_hdr_type */ + s32 type; u32 field_selector; /* a bit mask to select field for header type */ u8 buffer[64]; /** @@ -1233,15 +1241,18 @@ VIRTCHNL_CHECK_STRUCT_LEN(2312, virtchnl_proto_hdrs); struct virtchnl_rss_cfg { struct virtchnl_proto_hdrs proto_hdrs; /* protocol headers */ - enum virtchnl_rss_algorithm rss_algorithm; /* RSS algorithm type */ - u8 reserved[128]; /* reserve for future */ + + /* see enum virtchnl_rss_algorithm; rss algorithm type */ + s32 rss_algorithm; + u8 reserved[128]; /* reserve for future */ }; VIRTCHNL_CHECK_STRUCT_LEN(2444, virtchnl_rss_cfg); /* action configuration for FDIR */ struct virtchnl_filter_action { - enum virtchnl_action type; + /* see enum virtchnl_action type */ + s32 type; union { /* used for queue and qgroup action */ struct { @@ -1283,7 +1294,7 @@ VIRTCHNL_CHECK_STRUCT_LEN(2604, virtchnl_fdir_rule); /* Status returned to VF after VF requests FDIR commands * VIRTCHNL_FDIR_SUCCESS * VF FDIR related request is successfully done by PF - * The request can be OP_ADD/DEL. + * The request can be OP_ADD/DEL/QUERY_FDIR_FILTER. * * VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE * OP_ADD_FDIR_FILTER request is failed due to no Hardware resource. @@ -1304,6 +1315,10 @@ VIRTCHNL_CHECK_STRUCT_LEN(2604, virtchnl_fdir_rule); * VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT * OP_ADD/DEL_FDIR_FILTER request is failed due to timing out * for programming. + * + * VIRTCHNL_FDIR_FAILURE_QUERY_INVALID + * OP_QUERY_FDIR_FILTER request is failed due to parameters validation, + * for example, VF query counter of a rule who has no counter action. */ enum virtchnl_fdir_prgm_status { VIRTCHNL_FDIR_SUCCESS = 0, @@ -1313,6 +1328,7 @@ enum virtchnl_fdir_prgm_status { VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST, VIRTCHNL_FDIR_FAILURE_RULE_INVALID, VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT, + VIRTCHNL_FDIR_FAILURE_QUERY_INVALID, }; /* VIRTCHNL_OP_ADD_FDIR_FILTER @@ -1329,7 +1345,9 @@ struct virtchnl_fdir_add { u16 validate_only; /* INPUT */ u32 flow_id; /* OUTPUT */ struct virtchnl_fdir_rule rule_cfg; /* INPUT */ - enum virtchnl_fdir_prgm_status status; /* OUTPUT */ + + /* see enum virtchnl_fdir_prgm_status; OUTPUT */ + s32 status; }; VIRTCHNL_CHECK_STRUCT_LEN(2616, virtchnl_fdir_add); @@ -1342,7 +1360,9 @@ struct virtchnl_fdir_del { u16 vsi_id; /* INPUT */ u16 pad; u32 flow_id; /* INPUT */ - enum virtchnl_fdir_prgm_status status; /* OUTPUT */ + + /* see enum virtchnl_fdir_prgm_status; OUTPUT */ + s32 status; }; VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_fdir_del); @@ -1361,7 +1381,7 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode, u8 *msg, u16 msglen) { bool err_msg_format = false; - int valid_len = 0; + u32 valid_len = 0; /* Validate message length. */ switch (v_opcode) { @@ -1436,7 +1456,7 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode, case VIRTCHNL_OP_GET_STATS: valid_len = sizeof(struct virtchnl_queue_select); break; - case VIRTCHNL_OP_IWARP: + case VIRTCHNL_OP_RDMA: /* These messages are opaque to us and will be validated in * the RDMA client code. We just need to check for nonzero * length. The firmware will enforce max length restrictions. @@ -1446,19 +1466,16 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode, else err_msg_format = true; break; - case VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP: + case VIRTCHNL_OP_RELEASE_RDMA_IRQ_MAP: break; - case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP: - valid_len = sizeof(struct virtchnl_iwarp_qvlist_info); + case VIRTCHNL_OP_CONFIG_RDMA_IRQ_MAP: + valid_len = sizeof(struct virtchnl_rdma_qvlist_info); if (msglen >= valid_len) { - struct virtchnl_iwarp_qvlist_info *qv = - (struct virtchnl_iwarp_qvlist_info *)msg; - if (qv->num_vectors == 0) { - err_msg_format = true; - break; - } + struct virtchnl_rdma_qvlist_info *qv = + (struct virtchnl_rdma_qvlist_info *)msg; + valid_len += ((qv->num_vectors - 1) * - sizeof(struct virtchnl_iwarp_qv_info)); + sizeof(struct virtchnl_rdma_qv_info)); } break; case VIRTCHNL_OP_CONFIG_RSS_KEY: @@ -1502,8 +1519,6 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode, case VIRTCHNL_OP_DISABLE_CHANNELS: break; case VIRTCHNL_OP_ADD_CLOUD_FILTER: - valid_len = sizeof(struct virtchnl_filter); - break; case VIRTCHNL_OP_DEL_CLOUD_FILTER: valid_len = sizeof(struct virtchnl_filter); break; diff --git a/include/linux/bcd.h b/include/linux/bcd.h index 118bea36d7d4..abbc8149178e 100644 --- a/include/linux/bcd.h +++ b/include/linux/bcd.h @@ -14,8 +14,12 @@ const_bin2bcd(x) : \ _bin2bcd(x)) +#define bcd_is_valid(x) \ + const_bcd_is_valid(x) + #define const_bcd2bin(x) (((x) & 0x0f) + ((x) >> 4) * 10) #define const_bin2bcd(x) ((((x) / 10) << 4) + (x) % 10) +#define const_bcd_is_valid(x) (((x) & 0x0f) < 10 && ((x) >> 4) < 10) unsigned _bcd2bin(unsigned char val) __attribute_const__; unsigned char _bin2bcd(unsigned val) __attribute_const__; diff --git a/include/linux/bio.h b/include/linux/bio.h index c1da63f6c808..d766be7152e1 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -12,6 +12,8 @@ #define BIO_MAX_VECS 256U +struct queue_limits; + static inline unsigned int bio_max_segs(unsigned int nr_segs) { return min(nr_segs, BIO_MAX_VECS); @@ -375,6 +377,8 @@ static inline void bip_set_seed(struct bio_integrity_payload *bip, void bio_trim(struct bio *bio, sector_t offset, sector_t size); extern struct bio *bio_split(struct bio *bio, int sectors, gfp_t gfp, struct bio_set *bs); +struct bio *bio_split_rw(struct bio *bio, const struct queue_limits *lim, + unsigned *segs, struct bio_set *bs, unsigned max_bytes); /** * bio_next_split - get next @sectors from a bio, splitting if necessary diff --git a/include/linux/bitfield.h b/include/linux/bitfield.h index c9be1657f03d..ebfa12f69501 100644 --- a/include/linux/bitfield.h +++ b/include/linux/bitfield.h @@ -115,6 +115,32 @@ ((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask); \ }) +#define __BF_CHECK_POW2(n) BUILD_BUG_ON_ZERO(((n) & ((n) - 1)) != 0) + +/** + * FIELD_PREP_CONST() - prepare a constant bitfield element + * @_mask: shifted mask defining the field's length and position + * @_val: value to put in the field + * + * FIELD_PREP_CONST() masks and shifts up the value. The result should + * be combined with other fields of the bitfield using logical OR. + * + * Unlike FIELD_PREP() this is a constant expression and can therefore + * be used in initializers. Error checking is less comfortable for this + * version, and non-constant masks cannot be used. + */ +#define FIELD_PREP_CONST(_mask, _val) \ + ( \ + /* mask must be non-zero */ \ + BUILD_BUG_ON_ZERO((_mask) == 0) + \ + /* check if value fits */ \ + BUILD_BUG_ON_ZERO(~((_mask) >> __bf_shf(_mask)) & (_val)) + \ + /* check if mask is contiguous */ \ + __BF_CHECK_POW2((_mask) + (1ULL << __bf_shf(_mask))) + \ + /* and create the value */ \ + (((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask)) \ + ) + /** * FIELD_GET() - extract a bitfield element * @_mask: shifted mask defining the field's length and position diff --git a/include/linux/bits.h b/include/linux/bits.h index 87d112650dfb..7c0cf5031abe 100644 --- a/include/linux/bits.h +++ b/include/linux/bits.h @@ -6,7 +6,6 @@ #include <vdso/bits.h> #include <asm/bitsperlong.h> -#define BIT_ULL(nr) (ULL(1) << (nr)) #define BIT_MASK(nr) (UL(1) << ((nr) % BITS_PER_LONG)) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG) #define BIT_ULL_MASK(nr) (ULL(1) << ((nr) % BITS_PER_LONG_LONG)) diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 779fba613bd0..dd5ce1137f04 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -473,6 +473,7 @@ enum hctx_type { /** * struct blk_mq_tag_set - tag set that can be shared between request queues + * @ops: Pointers to functions that implement block driver behavior. * @map: One or more ctx -> hctx mappings. One map exists for each * hardware queue type (enum hctx_type) that the driver wishes * to support. There are no restrictions on maps being of the @@ -480,7 +481,6 @@ enum hctx_type { * types. * @nr_maps: Number of elements in the @map array. A number in the range * [1, HCTX_MAX_TYPES]. - * @ops: Pointers to functions that implement block driver behavior. * @nr_hw_queues: Number of hardware queues supported by the block driver that * owns this data structure. * @queue_depth: Number of tags per hardware queue, reserved tags included. @@ -505,9 +505,9 @@ enum hctx_type { * (BLK_MQ_F_BLOCKING). */ struct blk_mq_tag_set { + const struct blk_mq_ops *ops; struct blk_mq_queue_map map[HCTX_MAX_TYPES]; unsigned int nr_maps; - const struct blk_mq_ops *ops; unsigned int nr_hw_queues; unsigned int queue_depth; unsigned int reserved_tags; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 43d4e073b111..d1aee08f8c18 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -288,6 +288,7 @@ struct queue_limits { unsigned int max_dev_sectors; unsigned int chunk_sectors; unsigned int max_sectors; + unsigned int max_user_sectors; unsigned int max_segment_size; unsigned int physical_block_size; unsigned int logical_block_size; @@ -484,6 +485,7 @@ struct request_queue { DECLARE_BITMAP (blkcg_pols, BLKCG_MAX_POLS); struct blkcg_gq *root_blkg; struct list_head blkg_list; + struct mutex blkcg_mutex; #endif struct queue_limits limits; @@ -554,6 +556,7 @@ struct request_queue { #define QUEUE_FLAG_IO_STAT 7 /* do disk/partitions IO accounting */ #define QUEUE_FLAG_NOXMERGES 9 /* No extended merges */ #define QUEUE_FLAG_ADD_RANDOM 10 /* Contributes to random pool */ +#define QUEUE_FLAG_SYNCHRONOUS 11 /* always completes in submit context */ #define QUEUE_FLAG_SAME_FORCE 12 /* force complete on same CPU */ #define QUEUE_FLAG_INIT_DONE 14 /* queue is initialized */ #define QUEUE_FLAG_STABLE_WRITES 15 /* don't modify blks until WB is done */ @@ -1095,11 +1098,12 @@ static inline bool bdev_is_partition(struct block_device *bdev) enum blk_default_limits { BLK_MAX_SEGMENTS = 128, BLK_SAFE_MAX_SECTORS = 255, - BLK_DEF_MAX_SECTORS = 2560, BLK_MAX_SEGMENT_SIZE = 65536, BLK_SEG_BOUNDARY_MASK = 0xFFFFFFFFUL, }; +#define BLK_DEF_MAX_SECTORS 2560u + static inline unsigned long queue_segment_boundary(const struct request_queue *q) { return q->limits.seg_boundary_mask; @@ -1250,6 +1254,12 @@ static inline bool bdev_nonrot(struct block_device *bdev) return blk_queue_nonrot(bdev_get_queue(bdev)); } +static inline bool bdev_synchronous(struct block_device *bdev) +{ + return test_bit(QUEUE_FLAG_SYNCHRONOUS, + &bdev_get_queue(bdev)->queue_flags); +} + static inline bool bdev_stable_writes(struct block_device *bdev) { return test_bit(QUEUE_FLAG_STABLE_WRITES, @@ -1273,22 +1283,17 @@ static inline bool bdev_nowait(struct block_device *bdev) static inline enum blk_zoned_model bdev_zoned_model(struct block_device *bdev) { - struct request_queue *q = bdev_get_queue(bdev); - - if (q) - return blk_queue_zoned_model(q); - - return BLK_ZONED_NONE; + return blk_queue_zoned_model(bdev_get_queue(bdev)); } static inline bool bdev_is_zoned(struct block_device *bdev) { - struct request_queue *q = bdev_get_queue(bdev); - - if (q) - return blk_queue_is_zoned(q); + return blk_queue_is_zoned(bdev_get_queue(bdev)); +} - return false; +static inline unsigned int bdev_zone_no(struct block_device *bdev, sector_t sec) +{ + return disk_zone_no(bdev->bd_disk, sec); } static inline bool bdev_op_is_zoned_write(struct block_device *bdev, @@ -1309,6 +1314,18 @@ static inline sector_t bdev_zone_sectors(struct block_device *bdev) return q->limits.chunk_sectors; } +static inline sector_t bdev_offset_from_zone_start(struct block_device *bdev, + sector_t sector) +{ + return sector & (bdev_zone_sectors(bdev) - 1); +} + +static inline bool bdev_is_zone_start(struct block_device *bdev, + sector_t sector) +{ + return bdev_offset_from_zone_start(bdev, sector) == 0; +} + static inline int queue_dma_alignment(const struct request_queue *q) { return q ? q->limits.dma_alignment : 511; @@ -1382,7 +1399,6 @@ struct block_device_operations { unsigned int flags); int (*open) (struct block_device *, fmode_t); void (*release) (struct gendisk *, fmode_t); - int (*rw_page)(struct block_device *, sector_t, struct page *, enum req_op); int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); unsigned int (*check_events) (struct gendisk *disk, @@ -1417,10 +1433,6 @@ extern int blkdev_compat_ptr_ioctl(struct block_device *, fmode_t, #define blkdev_compat_ptr_ioctl NULL #endif -extern int bdev_read_page(struct block_device *, sector_t, struct page *); -extern int bdev_write_page(struct block_device *, sector_t, struct page *, - struct writeback_control *); - static inline void blk_wake_io_task(struct task_struct *waiter) { /* diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h index 1611f9db878e..ca73940e26df 100644 --- a/include/linux/bootconfig.h +++ b/include/linux/bootconfig.h @@ -59,7 +59,7 @@ struct xbc_node { /* Maximum size of boot config is 32KB - 1 */ #define XBC_DATA_MAX (XBC_VALUE - 1) -#define XBC_NODE_MAX 1024 +#define XBC_NODE_MAX 8192 #define XBC_KEYLEN_MAX 256 #define XBC_DEPTH_MAX 16 diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 634d37a599fa..520b238abd5a 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -28,6 +28,7 @@ #include <linux/btf.h> #include <linux/rcupdate_trace.h> #include <linux/static_call.h> +#include <linux/memcontrol.h> struct bpf_verifier_env; struct bpf_verifier_log; @@ -180,6 +181,10 @@ enum btf_field_type { BPF_KPTR = BPF_KPTR_UNREF | BPF_KPTR_REF, BPF_LIST_HEAD = (1 << 4), BPF_LIST_NODE = (1 << 5), + BPF_RB_ROOT = (1 << 6), + BPF_RB_NODE = (1 << 7), + BPF_GRAPH_NODE_OR_ROOT = BPF_LIST_NODE | BPF_LIST_HEAD | + BPF_RB_NODE | BPF_RB_ROOT, }; struct btf_field_kptr { @@ -189,7 +194,7 @@ struct btf_field_kptr { u32 btf_id; }; -struct btf_field_list_head { +struct btf_field_graph_root { struct btf *btf; u32 value_btf_id; u32 node_offset; @@ -201,7 +206,7 @@ struct btf_field { enum btf_field_type type; union { struct btf_field_kptr kptr; - struct btf_field_list_head list_head; + struct btf_field_graph_root graph_root; }; }; @@ -283,6 +288,10 @@ static inline const char *btf_field_type_name(enum btf_field_type type) return "bpf_list_head"; case BPF_LIST_NODE: return "bpf_list_node"; + case BPF_RB_ROOT: + return "bpf_rb_root"; + case BPF_RB_NODE: + return "bpf_rb_node"; default: WARN_ON_ONCE(1); return "unknown"; @@ -303,6 +312,10 @@ static inline u32 btf_field_type_size(enum btf_field_type type) return sizeof(struct bpf_list_head); case BPF_LIST_NODE: return sizeof(struct bpf_list_node); + case BPF_RB_ROOT: + return sizeof(struct bpf_rb_root); + case BPF_RB_NODE: + return sizeof(struct bpf_rb_node); default: WARN_ON_ONCE(1); return 0; @@ -323,6 +336,10 @@ static inline u32 btf_field_type_align(enum btf_field_type type) return __alignof__(struct bpf_list_head); case BPF_LIST_NODE: return __alignof__(struct bpf_list_node); + case BPF_RB_ROOT: + return __alignof__(struct bpf_rb_root); + case BPF_RB_NODE: + return __alignof__(struct bpf_rb_node); default: WARN_ON_ONCE(1); return 0; @@ -346,6 +363,13 @@ static inline void bpf_obj_init(const struct btf_field_offs *foffs, void *obj) memset(obj + foffs->field_off[i], 0, foffs->field_sz[i]); } +/* 'dst' must be a temporary buffer and should not point to memory that is being + * used in parallel by a bpf program or bpf syscall, otherwise the access from + * the bpf program or bpf syscall may be corrupted by the reinitialization, + * leading to weird problems. Even 'dst' is newly-allocated from bpf memory + * allocator, it is still possible for 'dst' to be used in parallel by a bpf + * program or bpf syscall. + */ static inline void check_and_init_map_value(struct bpf_map *map, void *dst) { bpf_obj_init(map->field_offs, dst); @@ -433,6 +457,9 @@ void copy_map_value_locked(struct bpf_map *map, void *dst, void *src, void bpf_timer_cancel_and_free(void *timer); void bpf_list_head_free(const struct btf_field *field, void *list_head, struct bpf_spin_lock *spin_lock); +void bpf_rb_root_free(const struct btf_field *field, void *rb_root, + struct bpf_spin_lock *spin_lock); + int bpf_obj_name_cpy(char *dst, const char *src, unsigned int size); @@ -575,6 +602,11 @@ enum bpf_type_flag { /* MEM is tagged with rcu and memory access needs rcu_read_lock protection. */ MEM_RCU = BIT(13 + BPF_BASE_TYPE_BITS), + /* Used to tag PTR_TO_BTF_ID | MEM_ALLOC references which are non-owning. + * Currently only valid for linked-list and rbtree nodes. + */ + NON_OWN_REF = BIT(14 + BPF_BASE_TYPE_BITS), + __BPF_TYPE_FLAG_MAX, __BPF_TYPE_LAST_FLAG = __BPF_TYPE_FLAG_MAX - 1, }; @@ -899,8 +931,12 @@ enum bpf_cgroup_storage_type { /* The argument is a structure. */ #define BTF_FMODEL_STRUCT_ARG BIT(0) +/* The argument is signed. */ +#define BTF_FMODEL_SIGNED_ARG BIT(1) + struct btf_func_model { u8 ret_size; + u8 ret_flags; u8 nr_args; u8 arg_size[MAX_BPF_FUNC_ARGS]; u8 arg_flags[MAX_BPF_FUNC_ARGS]; @@ -939,7 +975,13 @@ struct btf_func_model { /* Each call __bpf_prog_enter + call bpf_func + call __bpf_prog_exit is ~50 * bytes on x86. */ -#define BPF_MAX_TRAMP_LINKS 38 +enum { +#if defined(__s390x__) + BPF_MAX_TRAMP_LINKS = 27, +#else + BPF_MAX_TRAMP_LINKS = 38, +#endif +}; struct bpf_tramp_links { struct bpf_tramp_link *links[BPF_MAX_TRAMP_LINKS]; @@ -1261,7 +1303,8 @@ struct bpf_prog_aux { enum bpf_prog_type saved_dst_prog_type; enum bpf_attach_type saved_dst_attach_type; bool verifier_zext; /* Zero extensions has been inserted by verifier. */ - bool offload_requested; + bool dev_bound; /* Program is bound to the netdev. */ + bool offload_requested; /* Program is bound and offloaded to the netdev. */ bool attach_btf_trace; /* true if attaching to BTF-enabled raw tp */ bool func_proto_unreliable; bool sleepable; @@ -1421,7 +1464,8 @@ struct bpf_struct_ops { const struct bpf_verifier_ops *verifier_ops; int (*init)(struct btf *btf); int (*check_member)(const struct btf_type *t, - const struct btf_member *member); + const struct btf_member *member, + const struct bpf_prog *prog); int (*init_member)(const struct btf_type *t, const struct btf_member *member, void *kdata, const void *udata); @@ -1472,6 +1516,7 @@ struct bpf_dummy_ops { int (*test_1)(struct bpf_dummy_ops_state *cb); int (*test_2)(struct bpf_dummy_ops_state *cb, int a1, unsigned short a2, char a3, unsigned long a4); + int (*test_sleepable)(struct bpf_dummy_ops_state *cb); }; int bpf_struct_ops_test_run(struct bpf_prog *prog, const union bpf_attr *kattr, @@ -1523,9 +1568,9 @@ struct bpf_array { u32 index_mask; struct bpf_array_aux *aux; union { - char value[0] __aligned(8); - void *ptrs[0] __aligned(8); - void __percpu *pptrs[0] __aligned(8); + DECLARE_FLEX_ARRAY(char, value) __aligned(8); + DECLARE_FLEX_ARRAY(void *, ptrs) __aligned(8); + DECLARE_FLEX_ARRAY(void __percpu *, pptrs) __aligned(8); }; }; @@ -1833,7 +1878,7 @@ struct bpf_prog * __must_check bpf_prog_inc_not_zero(struct bpf_prog *prog); void bpf_prog_put(struct bpf_prog *prog); void bpf_prog_free_id(struct bpf_prog *prog); -void bpf_map_free_id(struct bpf_map *map, bool do_idr_lock); +void bpf_map_free_id(struct bpf_map *map); struct btf_field *btf_record_find(const struct btf_record *rec, u32 offset, enum btf_field_type type); @@ -1873,6 +1918,8 @@ struct bpf_prog *bpf_prog_get_curr_or_next(u32 *id); void *bpf_map_kmalloc_node(const struct bpf_map *map, size_t size, gfp_t flags, int node); void *bpf_map_kzalloc(const struct bpf_map *map, size_t size, gfp_t flags); +void *bpf_map_kvcalloc(struct bpf_map *map, size_t n, size_t size, + gfp_t flags); void __percpu *bpf_map_alloc_percpu(const struct bpf_map *map, size_t size, size_t align, gfp_t flags); #else @@ -1889,6 +1936,12 @@ bpf_map_kzalloc(const struct bpf_map *map, size_t size, gfp_t flags) return kzalloc(size, flags); } +static inline void * +bpf_map_kvcalloc(struct bpf_map *map, size_t n, size_t size, gfp_t flags) +{ + return kvcalloc(n, size, flags); +} + static inline void __percpu * bpf_map_alloc_percpu(const struct bpf_map *map, size_t size, size_t align, gfp_t flags) @@ -2186,6 +2239,14 @@ struct bpf_core_ctx { const struct btf *btf; }; +bool btf_nested_type_is_trusted(struct bpf_verifier_log *log, + const struct bpf_reg_state *reg, + int off); + +bool btf_type_ids_nocast_alias(struct bpf_verifier_log *log, + const struct btf *reg_btf, u32 reg_id, + const struct btf *arg_btf, u32 arg_id); + int bpf_core_apply(struct bpf_core_ctx *ctx, const struct bpf_core_relo *relo, int relo_idx, void *insn); @@ -2451,7 +2512,7 @@ void __bpf_free_used_maps(struct bpf_prog_aux *aux, bool bpf_prog_get_ok(struct bpf_prog *, enum bpf_prog_type *, bool); int bpf_prog_offload_compile(struct bpf_prog *prog); -void bpf_prog_offload_destroy(struct bpf_prog *prog); +void bpf_prog_dev_bound_destroy(struct bpf_prog *prog); int bpf_prog_offload_info_fill(struct bpf_prog_info *info, struct bpf_prog *prog); @@ -2479,14 +2540,26 @@ bool bpf_offload_dev_match(struct bpf_prog *prog, struct net_device *netdev); void unpriv_ebpf_notify(int new_state); #if defined(CONFIG_NET) && defined(CONFIG_BPF_SYSCALL) -int bpf_prog_offload_init(struct bpf_prog *prog, union bpf_attr *attr); +int bpf_dev_bound_kfunc_check(struct bpf_verifier_log *log, + struct bpf_prog_aux *prog_aux); +void *bpf_dev_bound_resolve_kfunc(struct bpf_prog *prog, u32 func_id); +int bpf_prog_dev_bound_init(struct bpf_prog *prog, union bpf_attr *attr); +int bpf_prog_dev_bound_inherit(struct bpf_prog *new_prog, struct bpf_prog *old_prog); +void bpf_dev_bound_netdev_unregister(struct net_device *dev); static inline bool bpf_prog_is_dev_bound(const struct bpf_prog_aux *aux) { + return aux->dev_bound; +} + +static inline bool bpf_prog_is_offloaded(const struct bpf_prog_aux *aux) +{ return aux->offload_requested; } -static inline bool bpf_map_is_dev_bound(struct bpf_map *map) +bool bpf_prog_dev_bound_match(const struct bpf_prog *lhs, const struct bpf_prog *rhs); + +static inline bool bpf_map_is_offloaded(struct bpf_map *map) { return unlikely(map->ops == &bpf_map_offload_ops); } @@ -2507,18 +2580,50 @@ void sock_map_unhash(struct sock *sk); void sock_map_destroy(struct sock *sk); void sock_map_close(struct sock *sk, long timeout); #else -static inline int bpf_prog_offload_init(struct bpf_prog *prog, - union bpf_attr *attr) +static inline int bpf_dev_bound_kfunc_check(struct bpf_verifier_log *log, + struct bpf_prog_aux *prog_aux) { return -EOPNOTSUPP; } -static inline bool bpf_prog_is_dev_bound(struct bpf_prog_aux *aux) +static inline void *bpf_dev_bound_resolve_kfunc(struct bpf_prog *prog, + u32 func_id) +{ + return NULL; +} + +static inline int bpf_prog_dev_bound_init(struct bpf_prog *prog, + union bpf_attr *attr) +{ + return -EOPNOTSUPP; +} + +static inline int bpf_prog_dev_bound_inherit(struct bpf_prog *new_prog, + struct bpf_prog *old_prog) +{ + return -EOPNOTSUPP; +} + +static inline void bpf_dev_bound_netdev_unregister(struct net_device *dev) +{ +} + +static inline bool bpf_prog_is_dev_bound(const struct bpf_prog_aux *aux) +{ + return false; +} + +static inline bool bpf_prog_is_offloaded(struct bpf_prog_aux *aux) +{ + return false; +} + +static inline bool bpf_prog_dev_bound_match(const struct bpf_prog *lhs, const struct bpf_prog *rhs) { return false; } -static inline bool bpf_map_is_dev_bound(struct bpf_map *map) +static inline bool bpf_map_is_offloaded(struct bpf_map *map) { return false; } @@ -2795,10 +2900,18 @@ struct btf_id_set; bool btf_id_set_contains(const struct btf_id_set *set, u32 id); #define MAX_BPRINTF_VARARGS 12 +#define MAX_BPRINTF_BUF 1024 + +struct bpf_bprintf_data { + u32 *bin_args; + char *buf; + bool get_bin_args; + bool get_buf; +}; int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args, - u32 **bin_buf, u32 num_args); -void bpf_bprintf_cleanup(void); + u32 num_args, struct bpf_bprintf_data *data); +void bpf_bprintf_cleanup(struct bpf_bprintf_data *data); /* the implementation of the opaque uapi struct bpf_dynptr */ struct bpf_dynptr_kern { @@ -2852,4 +2965,11 @@ static inline bool type_is_alloc(u32 type) return type & MEM_ALLOC; } +static inline gfp_t bpf_memcg_flags(gfp_t flags) +{ + if (memcg_bpf_enabled()) + return flags | __GFP_ACCOUNT; + return flags; +} + #endif /* _LINUX_BPF_H */ diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 53d175cbaa02..cf1bb1cf4a7b 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -43,6 +43,22 @@ enum bpf_reg_liveness { REG_LIVE_DONE = 0x8, /* liveness won't be updating this register anymore */ }; +/* For every reg representing a map value or allocated object pointer, + * we consider the tuple of (ptr, id) for them to be unique in verifier + * context and conside them to not alias each other for the purposes of + * tracking lock state. + */ +struct bpf_active_lock { + /* This can either be reg->map_ptr or reg->btf. If ptr is NULL, + * there's no active lock held, and other fields have no + * meaning. If non-NULL, it indicates that a lock is held and + * id member has the reg->id of the register which can be >= 0. + */ + void *ptr; + /* This will be reg->id */ + u32 id; +}; + struct bpf_reg_state { /* Ordering of fields matters. See states_equal() */ enum bpf_reg_type type; @@ -70,7 +86,10 @@ struct bpf_reg_state { u32 btf_id; }; - u32 mem_size; /* for PTR_TO_MEM | PTR_TO_MEM_OR_NULL */ + struct { /* for PTR_TO_MEM | PTR_TO_MEM_OR_NULL */ + u32 mem_size; + u32 dynptr_id; /* for dynptr slices */ + }; /* For dynptr stack slots */ struct { @@ -92,6 +111,26 @@ struct bpf_reg_state { u32 subprogno; /* for PTR_TO_FUNC */ }; + /* For scalar types (SCALAR_VALUE), this represents our knowledge of + * the actual value. + * For pointer types, this represents the variable part of the offset + * from the pointed-to object, and is shared with all bpf_reg_states + * with the same id as us. + */ + struct tnum var_off; + /* Used to determine if any memory access using this register will + * result in a bad access. + * These refer to the same value as var_off, not necessarily the actual + * contents of the register. + */ + s64 smin_value; /* minimum possible (s64)value */ + s64 smax_value; /* maximum possible (s64)value */ + u64 umin_value; /* minimum possible (u64)value */ + u64 umax_value; /* maximum possible (u64)value */ + s32 s32_min_value; /* minimum possible (s32)value */ + s32 s32_max_value; /* maximum possible (s32)value */ + u32 u32_min_value; /* minimum possible (u32)value */ + u32 u32_max_value; /* maximum possible (u32)value */ /* For PTR_TO_PACKET, used to find other pointers with the same variable * offset, so they can share range knowledge. * For PTR_TO_MAP_VALUE_OR_NULL this is used to share which map value we @@ -144,26 +183,6 @@ struct bpf_reg_state { * allowed and has the same effect as bpf_sk_release(sk). */ u32 ref_obj_id; - /* For scalar types (SCALAR_VALUE), this represents our knowledge of - * the actual value. - * For pointer types, this represents the variable part of the offset - * from the pointed-to object, and is shared with all bpf_reg_states - * with the same id as us. - */ - struct tnum var_off; - /* Used to determine if any memory access using this register will - * result in a bad access. - * These refer to the same value as var_off, not necessarily the actual - * contents of the register. - */ - s64 smin_value; /* minimum possible (s64)value */ - s64 smax_value; /* maximum possible (s64)value */ - u64 umin_value; /* minimum possible (u64)value */ - u64 umax_value; /* maximum possible (u64)value */ - s32 s32_min_value; /* minimum possible (s32)value */ - s32 s32_max_value; /* maximum possible (s32)value */ - u32 u32_min_value; /* minimum possible (u32)value */ - u32 u32_max_value; /* maximum possible (u32)value */ /* parentage chain for liveness checking */ struct bpf_reg_state *parent; /* Inside the callee two registers can be both PTR_TO_STACK like @@ -223,11 +242,6 @@ struct bpf_reference_state { * exiting a callback function. */ int callback_ref; - /* Mark the reference state to release the registers sharing the same id - * on bpf_spin_unlock (for nodes that we will lose ownership to but are - * safe to access inside the critical section). - */ - bool release_on_unlock; }; /* state of the program: @@ -328,21 +342,8 @@ struct bpf_verifier_state { u32 branches; u32 insn_idx; u32 curframe; - /* For every reg representing a map value or allocated object pointer, - * we consider the tuple of (ptr, id) for them to be unique in verifier - * context and conside them to not alias each other for the purposes of - * tracking lock state. - */ - struct { - /* This can either be reg->map_ptr or reg->btf. If ptr is NULL, - * there's no active lock held, and other fields have no - * meaning. If non-NULL, it indicates that a lock is held and - * id member has the reg->id of the register which can be >= 0. - */ - void *ptr; - /* This will be reg->id */ - u32 id; - } active_lock; + + struct bpf_active_lock active_lock; bool speculative; bool active_rcu_lock; diff --git a/include/linux/btf.h b/include/linux/btf.h index 5f628f323442..49e0fe6d8274 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -73,6 +73,14 @@ #define KF_RCU (1 << 7) /* kfunc only takes rcu pointer arguments */ /* + * Tag marking a kernel function as a kfunc. This is meant to minimize the + * amount of copy-paste that kfunc authors have to include for correctness so + * as to avoid issues such as the compiler inlining or eliding either a static + * kfunc, or a global kfunc in an LTO build. + */ +#define __bpf_kfunc __used noinline + +/* * Return the name of the passed struct, if exists, or halt the build if for * example the structure gets renamed. In this way, developers have to revisit * the code using that structure name, and update it accordingly. @@ -236,6 +244,16 @@ static inline bool btf_type_is_small_int(const struct btf_type *t) return btf_type_is_int(t) && t->size <= sizeof(u64); } +static inline u8 btf_int_encoding(const struct btf_type *t) +{ + return BTF_INT_ENCODING(*(u32 *)(t + 1)); +} + +static inline bool btf_type_is_signed_int(const struct btf_type *t) +{ + return btf_type_is_int(t) && (btf_int_encoding(t) & BTF_INT_SIGNED); +} + static inline bool btf_type_is_enum(const struct btf_type *t) { return BTF_INFO_KIND(t->info) == BTF_KIND_ENUM; @@ -306,11 +324,6 @@ static inline u8 btf_int_offset(const struct btf_type *t) return BTF_INT_OFFSET(*(u32 *)(t + 1)); } -static inline u8 btf_int_encoding(const struct btf_type *t) -{ - return BTF_INT_ENCODING(*(u32 *)(t + 1)); -} - static inline bool btf_type_is_scalar(const struct btf_type *t) { return btf_type_is_int(t) || btf_type_is_enum(t); diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 33fa5e94aa80..8f14dca5fed7 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -61,7 +61,10 @@ typedef void (bh_end_io_t)(struct buffer_head *bh, int uptodate); struct buffer_head { unsigned long b_state; /* buffer state bitmap (see above) */ struct buffer_head *b_this_page;/* circular list of page's buffers */ - struct page *b_page; /* the page this bh is mapped to */ + union { + struct page *b_page; /* the page this bh is mapped to */ + struct folio *b_folio; /* the folio this bh is mapped to */ + }; sector_t b_blocknr; /* start block number */ size_t b_size; /* size of mapping */ diff --git a/include/linux/bvec.h b/include/linux/bvec.h index 35c25dff651a..555aae5448ae 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -12,7 +12,6 @@ #include <linux/errno.h> #include <linux/limits.h> #include <linux/minmax.h> -#include <linux/mm.h> #include <linux/types.h> struct page; @@ -35,6 +34,46 @@ struct bio_vec { unsigned int bv_offset; }; +/** + * bvec_set_page - initialize a bvec based off a struct page + * @bv: bvec to initialize + * @page: page the bvec should point to + * @len: length of the bvec + * @offset: offset into the page + */ +static inline void bvec_set_page(struct bio_vec *bv, struct page *page, + unsigned int len, unsigned int offset) +{ + bv->bv_page = page; + bv->bv_len = len; + bv->bv_offset = offset; +} + +/** + * bvec_set_folio - initialize a bvec based off a struct folio + * @bv: bvec to initialize + * @folio: folio the bvec should point to + * @len: length of the bvec + * @offset: offset into the folio + */ +static inline void bvec_set_folio(struct bio_vec *bv, struct folio *folio, + unsigned int len, unsigned int offset) +{ + bvec_set_page(bv, &folio->page, len, offset); +} + +/** + * bvec_set_virt - initialize a bvec based on a virtual address + * @bv: bvec to initialize + * @vaddr: virtual address to set the bvec to + * @len: length of the bvec + */ +static inline void bvec_set_virt(struct bio_vec *bv, void *vaddr, + unsigned int len) +{ + bvec_set_page(bv, virt_to_page(vaddr), len, offset_in_page(vaddr)); +} + struct bvec_iter { sector_t bi_sector; /* device address in 512 byte sectors */ diff --git a/include/linux/cacheinfo.h b/include/linux/cacheinfo.h index 00b7a6ae8617..908e19d17f49 100644 --- a/include/linux/cacheinfo.h +++ b/include/linux/cacheinfo.h @@ -80,26 +80,31 @@ struct cpu_cacheinfo { struct cpu_cacheinfo *get_cpu_cacheinfo(unsigned int cpu); int init_cache_level(unsigned int cpu); +int init_of_cache_level(unsigned int cpu); int populate_cache_leaves(unsigned int cpu); int cache_setup_acpi(unsigned int cpu); bool last_level_cache_is_valid(unsigned int cpu); bool last_level_cache_is_shared(unsigned int cpu_x, unsigned int cpu_y); +int fetch_cache_info(unsigned int cpu); int detect_cache_attributes(unsigned int cpu); #ifndef CONFIG_ACPI_PPTT /* - * acpi_find_last_cache_level is only called on ACPI enabled + * acpi_get_cache_info() is only called on ACPI enabled * platforms using the PPTT for topology. This means that if * the platform supports other firmware configuration methods * we need to stub out the call when ACPI is disabled. * ACPI enabled platforms not using PPTT won't be making calls * to this function so we need not worry about them. */ -static inline int acpi_find_last_cache_level(unsigned int cpu) +static inline +int acpi_get_cache_info(unsigned int cpu, + unsigned int *levels, unsigned int *split_levels) { - return 0; + return -ENOENT; } #else -int acpi_find_last_cache_level(unsigned int cpu); +int acpi_get_cache_info(unsigned int cpu, + unsigned int *levels, unsigned int *split_levels); #endif const struct attribute_group *cache_get_priv_group(struct cacheinfo *this_leaf); diff --git a/include/linux/can/bittiming.h b/include/linux/can/bittiming.h index ef0a77173e3c..9b8a9c39614b 100644 --- a/include/linux/can/bittiming.h +++ b/include/linux/can/bittiming.h @@ -116,7 +116,7 @@ struct can_tdc_const { #ifdef CONFIG_CAN_CALC_BITTIMING int can_calc_bittiming(const struct net_device *dev, struct can_bittiming *bt, - const struct can_bittiming_const *btc); + const struct can_bittiming_const *btc, struct netlink_ext_ack *extack); void can_calc_tdco(struct can_tdc *tdc, const struct can_tdc_const *tdc_const, const struct can_bittiming *dbt, @@ -124,7 +124,7 @@ void can_calc_tdco(struct can_tdc *tdc, const struct can_tdc_const *tdc_const, #else /* !CONFIG_CAN_CALC_BITTIMING */ static inline int can_calc_bittiming(const struct net_device *dev, struct can_bittiming *bt, - const struct can_bittiming_const *btc) + const struct can_bittiming_const *btc, struct netlink_ext_ack *extack) { netdev_err(dev, "bit-timing calculation not available\n"); return -EINVAL; @@ -138,10 +138,16 @@ can_calc_tdco(struct can_tdc *tdc, const struct can_tdc_const *tdc_const, } #endif /* CONFIG_CAN_CALC_BITTIMING */ +void can_sjw_set_default(struct can_bittiming *bt); + +int can_sjw_check(const struct net_device *dev, const struct can_bittiming *bt, + const struct can_bittiming_const *btc, struct netlink_ext_ack *extack); + int can_get_bittiming(const struct net_device *dev, struct can_bittiming *bt, const struct can_bittiming_const *btc, const u32 *bitrate_const, - const unsigned int bitrate_const_cnt); + const unsigned int bitrate_const_cnt, + struct netlink_ext_ack *extack); /* * can_bit_time() - Duration of one bit diff --git a/include/linux/capability.h b/include/linux/capability.h index 65efb74c3585..0c356a517991 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -15,43 +15,31 @@ #include <uapi/linux/capability.h> #include <linux/uidgid.h> +#include <linux/bits.h> #define _KERNEL_CAPABILITY_VERSION _LINUX_CAPABILITY_VERSION_3 -#define _KERNEL_CAPABILITY_U32S _LINUX_CAPABILITY_U32S_3 extern int file_caps_enabled; -typedef struct kernel_cap_struct { - __u32 cap[_KERNEL_CAPABILITY_U32S]; -} kernel_cap_t; +typedef struct { u64 val; } kernel_cap_t; /* same as vfs_ns_cap_data but in cpu endian and always filled completely */ struct cpu_vfs_cap_data { __u32 magic_etc; + kuid_t rootid; kernel_cap_t permitted; kernel_cap_t inheritable; - kuid_t rootid; }; #define _USER_CAP_HEADER_SIZE (sizeof(struct __user_cap_header_struct)) #define _KERNEL_CAP_T_SIZE (sizeof(kernel_cap_t)) - struct file; struct inode; struct dentry; struct task_struct; struct user_namespace; - -extern const kernel_cap_t __cap_empty_set; -extern const kernel_cap_t __cap_init_eff_set; - -/* - * Internal kernel functions only - */ - -#define CAP_FOR_EACH_U32(__capi) \ - for (__capi = 0; __capi < _KERNEL_CAPABILITY_U32S; ++__capi) +struct mnt_idmap; /* * CAP_FS_MASK and CAP_NFSD_MASKS: @@ -66,94 +54,52 @@ extern const kernel_cap_t __cap_init_eff_set; * 2. The security.* and trusted.* xattrs are fs-related MAC permissions */ -# define CAP_FS_MASK_B0 (CAP_TO_MASK(CAP_CHOWN) \ - | CAP_TO_MASK(CAP_MKNOD) \ - | CAP_TO_MASK(CAP_DAC_OVERRIDE) \ - | CAP_TO_MASK(CAP_DAC_READ_SEARCH) \ - | CAP_TO_MASK(CAP_FOWNER) \ - | CAP_TO_MASK(CAP_FSETID)) - -# define CAP_FS_MASK_B1 (CAP_TO_MASK(CAP_MAC_OVERRIDE)) +# define CAP_FS_MASK (BIT_ULL(CAP_CHOWN) \ + | BIT_ULL(CAP_MKNOD) \ + | BIT_ULL(CAP_DAC_OVERRIDE) \ + | BIT_ULL(CAP_DAC_READ_SEARCH) \ + | BIT_ULL(CAP_FOWNER) \ + | BIT_ULL(CAP_FSETID) \ + | BIT_ULL(CAP_MAC_OVERRIDE)) +#define CAP_VALID_MASK (BIT_ULL(CAP_LAST_CAP+1)-1) -#if _KERNEL_CAPABILITY_U32S != 2 -# error Fix up hand-coded capability macro initializers -#else /* HAND-CODED capability initializers */ +# define CAP_EMPTY_SET ((kernel_cap_t) { 0 }) +# define CAP_FULL_SET ((kernel_cap_t) { CAP_VALID_MASK }) +# define CAP_FS_SET ((kernel_cap_t) { CAP_FS_MASK | BIT_ULL(CAP_LINUX_IMMUTABLE) }) +# define CAP_NFSD_SET ((kernel_cap_t) { CAP_FS_MASK | BIT_ULL(CAP_SYS_RESOURCE) }) -#define CAP_LAST_U32 ((_KERNEL_CAPABILITY_U32S) - 1) -#define CAP_LAST_U32_VALID_MASK (CAP_TO_MASK(CAP_LAST_CAP + 1) -1) +# define cap_clear(c) do { (c).val = 0; } while (0) -# define CAP_EMPTY_SET ((kernel_cap_t){{ 0, 0 }}) -# define CAP_FULL_SET ((kernel_cap_t){{ ~0, CAP_LAST_U32_VALID_MASK }}) -# define CAP_FS_SET ((kernel_cap_t){{ CAP_FS_MASK_B0 \ - | CAP_TO_MASK(CAP_LINUX_IMMUTABLE), \ - CAP_FS_MASK_B1 } }) -# define CAP_NFSD_SET ((kernel_cap_t){{ CAP_FS_MASK_B0 \ - | CAP_TO_MASK(CAP_SYS_RESOURCE), \ - CAP_FS_MASK_B1 } }) - -#endif /* _KERNEL_CAPABILITY_U32S != 2 */ - -# define cap_clear(c) do { (c) = __cap_empty_set; } while (0) - -#define cap_raise(c, flag) ((c).cap[CAP_TO_INDEX(flag)] |= CAP_TO_MASK(flag)) -#define cap_lower(c, flag) ((c).cap[CAP_TO_INDEX(flag)] &= ~CAP_TO_MASK(flag)) -#define cap_raised(c, flag) ((c).cap[CAP_TO_INDEX(flag)] & CAP_TO_MASK(flag)) - -#define CAP_BOP_ALL(c, a, b, OP) \ -do { \ - unsigned __capi; \ - CAP_FOR_EACH_U32(__capi) { \ - c.cap[__capi] = a.cap[__capi] OP b.cap[__capi]; \ - } \ -} while (0) - -#define CAP_UOP_ALL(c, a, OP) \ -do { \ - unsigned __capi; \ - CAP_FOR_EACH_U32(__capi) { \ - c.cap[__capi] = OP a.cap[__capi]; \ - } \ -} while (0) +#define cap_raise(c, flag) ((c).val |= BIT_ULL(flag)) +#define cap_lower(c, flag) ((c).val &= ~BIT_ULL(flag)) +#define cap_raised(c, flag) (((c).val & BIT_ULL(flag)) != 0) static inline kernel_cap_t cap_combine(const kernel_cap_t a, const kernel_cap_t b) { - kernel_cap_t dest; - CAP_BOP_ALL(dest, a, b, |); - return dest; + return (kernel_cap_t) { a.val | b.val }; } static inline kernel_cap_t cap_intersect(const kernel_cap_t a, const kernel_cap_t b) { - kernel_cap_t dest; - CAP_BOP_ALL(dest, a, b, &); - return dest; + return (kernel_cap_t) { a.val & b.val }; } static inline kernel_cap_t cap_drop(const kernel_cap_t a, const kernel_cap_t drop) { - kernel_cap_t dest; - CAP_BOP_ALL(dest, a, drop, &~); - return dest; + return (kernel_cap_t) { a.val &~ drop.val }; } -static inline kernel_cap_t cap_invert(const kernel_cap_t c) +static inline bool cap_isclear(const kernel_cap_t a) { - kernel_cap_t dest; - CAP_UOP_ALL(dest, c, ~); - return dest; + return !a.val; } -static inline bool cap_isclear(const kernel_cap_t a) +static inline bool cap_isidentical(const kernel_cap_t a, const kernel_cap_t b) { - unsigned __capi; - CAP_FOR_EACH_U32(__capi) { - if (a.cap[__capi] != 0) - return false; - } - return true; + return a.val == b.val; } /* @@ -165,39 +111,31 @@ static inline bool cap_isclear(const kernel_cap_t a) */ static inline bool cap_issubset(const kernel_cap_t a, const kernel_cap_t set) { - kernel_cap_t dest; - dest = cap_drop(a, set); - return cap_isclear(dest); + return !(a.val & ~set.val); } /* Used to decide between falling back on the old suser() or fsuser(). */ static inline kernel_cap_t cap_drop_fs_set(const kernel_cap_t a) { - const kernel_cap_t __cap_fs_set = CAP_FS_SET; - return cap_drop(a, __cap_fs_set); + return cap_drop(a, CAP_FS_SET); } static inline kernel_cap_t cap_raise_fs_set(const kernel_cap_t a, const kernel_cap_t permitted) { - const kernel_cap_t __cap_fs_set = CAP_FS_SET; - return cap_combine(a, - cap_intersect(permitted, __cap_fs_set)); + return cap_combine(a, cap_intersect(permitted, CAP_FS_SET)); } static inline kernel_cap_t cap_drop_nfsd_set(const kernel_cap_t a) { - const kernel_cap_t __cap_fs_set = CAP_NFSD_SET; - return cap_drop(a, __cap_fs_set); + return cap_drop(a, CAP_NFSD_SET); } static inline kernel_cap_t cap_raise_nfsd_set(const kernel_cap_t a, const kernel_cap_t permitted) { - const kernel_cap_t __cap_nfsd_set = CAP_NFSD_SET; - return cap_combine(a, - cap_intersect(permitted, __cap_nfsd_set)); + return cap_combine(a, cap_intersect(permitted, CAP_NFSD_SET)); } #ifdef CONFIG_MULTIUSER @@ -248,9 +186,9 @@ static inline bool ns_capable_setid(struct user_namespace *ns, int cap) } #endif /* CONFIG_MULTIUSER */ bool privileged_wrt_inode_uidgid(struct user_namespace *ns, - struct user_namespace *mnt_userns, + struct mnt_idmap *idmap, const struct inode *inode); -bool capable_wrt_inode_uidgid(struct user_namespace *mnt_userns, +bool capable_wrt_inode_uidgid(struct mnt_idmap *idmap, const struct inode *inode, int cap); extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap); extern bool ptracer_capable(struct task_struct *tsk, struct user_namespace *ns); @@ -271,11 +209,11 @@ static inline bool checkpoint_restore_ns_capable(struct user_namespace *ns) } /* audit system wants to get cap info from files as well */ -int get_vfs_caps_from_disk(struct user_namespace *mnt_userns, +int get_vfs_caps_from_disk(struct mnt_idmap *idmap, const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps); -int cap_convert_nscap(struct user_namespace *mnt_userns, struct dentry *dentry, +int cap_convert_nscap(struct mnt_idmap *idmap, struct dentry *dentry, const void **ivalue, size_t size); #endif /* !_LINUX_CAPABILITY_H */ diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h index f6ebab6228c2..e1d37451e03f 100644 --- a/include/linux/clk/davinci.h +++ b/include/linux/clk/davinci.h @@ -19,14 +19,5 @@ int da830_pll_init(struct device *dev, void __iomem *base, struct regmap *cfgchi #ifdef CONFIG_ARCH_DAVINCI_DA850 int da850_pll0_init(struct device *dev, void __iomem *base, struct regmap *cfgchip); #endif -#ifdef CONFIG_ARCH_DAVINCI_DM355 -int dm355_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip); -int dm355_psc_init(struct device *dev, void __iomem *base); -#endif -#ifdef CONFIG_ARCH_DAVINCI_DM365 -int dm365_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip); -int dm365_pll2_init(struct device *dev, void __iomem *base, struct regmap *cfgchip); -int dm365_psc_init(struct device *dev, void __iomem *base); -#endif #endif /* __LINUX_CLK_DAVINCI_PLL_H___ */ diff --git a/include/linux/clk/samsung.h b/include/linux/clk/samsung.h index 38b774001712..0cf7aac83439 100644 --- a/include/linux/clk/samsung.h +++ b/include/linux/clk/samsung.h @@ -21,36 +21,4 @@ static inline void s3c64xx_clk_init(struct device_node *np, bool s3c6400, void __iomem *base) { } #endif /* CONFIG_S3C64XX_COMMON_CLK */ -#ifdef CONFIG_S3C2410_COMMON_CLK -void s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, - int current_soc, - void __iomem *reg_base); -#else -static inline void s3c2410_common_clk_init(struct device_node *np, - unsigned long xti_f, - int current_soc, - void __iomem *reg_base) { } -#endif /* CONFIG_S3C2410_COMMON_CLK */ - -#ifdef CONFIG_S3C2412_COMMON_CLK -void s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f, - unsigned long ext_f, void __iomem *reg_base); -#else -static inline void s3c2412_common_clk_init(struct device_node *np, - unsigned long xti_f, - unsigned long ext_f, - void __iomem *reg_base) { } -#endif /* CONFIG_S3C2412_COMMON_CLK */ - -#ifdef CONFIG_S3C2443_COMMON_CLK -void s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f, - int current_soc, - void __iomem *reg_base); -#else -static inline void s3c2443_common_clk_init(struct device_node *np, - unsigned long xti_f, - int current_soc, - void __iomem *reg_base) { } -#endif /* CONFIG_S3C2443_COMMON_CLK */ - #endif /* __LINUX_CLK_SAMSUNG_H_ */ diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 8ae9a95ebf5b..9aac31d856f3 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h @@ -211,7 +211,7 @@ extern int tick_receive_broadcast(void); extern void tick_setup_hrtimer_broadcast(void); extern int tick_check_broadcast_expired(void); # else -static inline int tick_check_broadcast_expired(void) { return 0; } +static __always_inline int tick_check_broadcast_expired(void) { return 0; } static inline void tick_setup_hrtimer_broadcast(void) { } # endif @@ -219,7 +219,7 @@ static inline void tick_setup_hrtimer_broadcast(void) { } static inline void clockevents_suspend(void) { } static inline void clockevents_resume(void) { } -static inline int tick_check_broadcast_expired(void) { return 0; } +static __always_inline int tick_check_broadcast_expired(void) { return 0; } static inline void tick_setup_hrtimer_broadcast(void) { } #endif /* !CONFIG_GENERIC_CLOCKEVENTS */ diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h deleted file mode 100644 index b17f3cd18334..000000000000 --- a/include/linux/compiler-intel.h +++ /dev/null @@ -1,34 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __LINUX_COMPILER_TYPES_H -#error "Please don't include <linux/compiler-intel.h> directly, include <linux/compiler.h> instead." -#endif - -#ifdef __ECC - -/* Compiler specific definitions for Intel ECC compiler */ - -#include <asm/intrinsics.h> - -/* Intel ECC compiler doesn't support gcc specific asm stmts. - * It uses intrinsics to do the equivalent things. - */ - -#define barrier() __memory_barrier() -#define barrier_data(ptr) barrier() - -#define RELOC_HIDE(ptr, off) \ - ({ unsigned long __ptr; \ - __ptr = (unsigned long) (ptr); \ - (typeof(ptr)) (__ptr + (off)); }) - -/* This should act as an optimization barrier on var. - * Given that this compiler does not have inline assembly, a compiler barrier - * is the best we can do. - */ -#define OPTIMIZER_HIDE_VAR(var) barrier() - -#endif - -/* icc has this, but it's called _bswap16 */ -#define __HAVE_BUILTIN_BSWAP16__ -#define __builtin_bswap16 _bswap16 diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index 898b3458b24a..e659cb6fded3 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -64,22 +64,10 @@ * compiler should see some alignment anyway, when the return value is * massaged by 'flags = ptr & 3; ptr &= ~3;'). * - * Optional: not supported by icc - * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-assume_005faligned-function-attribute * clang: https://clang.llvm.org/docs/AttributeReference.html#assume-aligned */ -#if __has_attribute(__assume_aligned__) -# define __assume_aligned(a, ...) __attribute__((__assume_aligned__(a, ## __VA_ARGS__))) -#else -# define __assume_aligned(a, ...) -#endif - -/* - * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-cold-function-attribute - * gcc: https://gcc.gnu.org/onlinedocs/gcc/Label-Attributes.html#index-cold-label-attribute - */ -#define __cold __attribute__((__cold__)) +#define __assume_aligned(a, ...) __attribute__((__assume_aligned__(a, ## __VA_ARGS__))) /* * Note the long name. @@ -91,7 +79,6 @@ /* * Optional: only supported since gcc >= 9 * Optional: not supported by clang - * Optional: not supported by icc * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-copy-function-attribute */ @@ -104,7 +91,6 @@ /* * Optional: not supported by gcc * Optional: only supported since clang >= 14.0 - * Optional: not supported by icc * * clang: https://clang.llvm.org/docs/AttributeReference.html#diagnose_as_builtin */ @@ -128,7 +114,6 @@ /* * Optional: not supported by clang - * Optional: not supported by icc * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Type-Attributes.html#index-designated_005finit-type-attribute */ @@ -242,7 +227,6 @@ /* * Optional: only supported since gcc >= 8 * Optional: not supported by clang - * Optional: not supported by icc * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-nonstring-variable-attribute */ @@ -273,7 +257,6 @@ /* * Optional: not supported by gcc. - * Optional: not supported by icc. * * clang: https://clang.llvm.org/docs/AttributeReference.html#overloadable */ @@ -293,10 +276,14 @@ * Note: the "type" argument should match any __builtin_object_size(p, type) usage. * * Optional: not supported by gcc. - * Optional: not supported by icc. * * clang: https://clang.llvm.org/docs/AttributeReference.html#pass-object-size-pass-dynamic-object-size */ +#if __has_attribute(__pass_dynamic_object_size__) +# define __pass_dynamic_object_size(type) __attribute__((__pass_dynamic_object_size__(type))) +#else +# define __pass_dynamic_object_size(type) +#endif #if __has_attribute(__pass_object_size__) # define __pass_object_size(type) __attribute__((__pass_object_size__(type))) #else diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 7c1afe0f4129..547ea1ff806e 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -79,6 +79,33 @@ static inline void __chk_io_ptr(const volatile void __iomem *ptr) { } /* Attributes */ #include <linux/compiler_attributes.h> +#if CONFIG_FUNCTION_ALIGNMENT > 0 +#define __function_aligned __aligned(CONFIG_FUNCTION_ALIGNMENT) +#else +#define __function_aligned +#endif + +/* + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-cold-function-attribute + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Label-Attributes.html#index-cold-label-attribute + * + * When -falign-functions=N is in use, we must avoid the cold attribute as + * contemporary versions of GCC drop the alignment for cold functions. Worse, + * GCC can implicitly mark callees of cold functions as cold themselves, so + * it's not sufficient to add __function_aligned here as that will not ensure + * that callees are correctly aligned. + * + * See: + * + * https://lore.kernel.org/lkml/Y77%2FqVgvaJidFpYt@FVFF77S0Q05N + * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88345#c9 + */ +#if !defined(CONFIG_CC_IS_GCC) || (CONFIG_FUNCTION_ALIGNMENT == 0) +#define __cold __attribute__((__cold__)) +#else +#define __cold +#endif + /* Builtins */ /* @@ -93,8 +120,6 @@ static inline void __chk_io_ptr(const volatile void __iomem *ptr) { } /* Compiler specific macros. */ #ifdef __clang__ #include <linux/compiler-clang.h> -#elif defined(__INTEL_COMPILER) -#include <linux/compiler-intel.h> #elif defined(__GNUC__) /* The above compilers also define __GNUC__, so order is important here. */ #include <linux/compiler-gcc.h> @@ -232,11 +257,25 @@ struct ftrace_likely_data { #endif /* Section for code which can't be instrumented at all */ -#define noinstr \ - noinline notrace __attribute((__section__(".noinstr.text"))) \ +#define __noinstr_section(section) \ + noinline notrace __attribute((__section__(section))) \ __no_kcsan __no_sanitize_address __no_profile __no_sanitize_coverage \ __no_sanitize_memory +#define noinstr __noinstr_section(".noinstr.text") + +/* + * The __cpuidle section is used twofold: + * + * 1) the original use -- identifying if a CPU is 'stuck' in idle state based + * on it's instruction pointer. See cpu_in_idle(). + * + * 2) supressing instrumentation around where cpuidle disables RCU; where the + * function isn't strictly required for #1, this is interchangeable with + * noinstr. + */ +#define __cpuidle __noinstr_section(".cpuidle.text") + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ diff --git a/include/linux/console.h b/include/linux/console.h index 9cea254b34b8..d3195664baa5 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -15,6 +15,7 @@ #define _LINUX_CONSOLE_H_ 1 #include <linux/atomic.h> +#include <linux/bits.h> #include <linux/rculist.h> #include <linux/types.h> @@ -59,8 +60,9 @@ struct consw { int (*con_switch)(struct vc_data *vc); int (*con_blank)(struct vc_data *vc, int blank, int mode_switch); int (*con_font_set)(struct vc_data *vc, struct console_font *font, - unsigned int flags); - int (*con_font_get)(struct vc_data *vc, struct console_font *font); + unsigned int vpitch, unsigned int flags); + int (*con_font_get)(struct vc_data *vc, struct console_font *font, + unsigned int vpitch); int (*con_font_default)(struct vc_data *vc, struct console_font *font, char *name); int (*con_resize)(struct vc_data *vc, unsigned int width, @@ -125,37 +127,82 @@ static inline int con_debug_leave(void) /* * The interface for a console, or any other device that wants to capture * console messages (printer driver?) - * - * If a console driver is marked CON_BOOT then it will be auto-unregistered - * when the first real console is registered. This is for early-printk drivers. */ -#define CON_PRINTBUFFER (1) -#define CON_CONSDEV (2) /* Preferred console, /dev/console */ -#define CON_ENABLED (4) -#define CON_BOOT (8) -#define CON_ANYTIME (16) /* Safe to call when cpu is offline */ -#define CON_BRL (32) /* Used for a braille device */ -#define CON_EXTENDED (64) /* Use the extended output format a la /dev/kmsg */ +/** + * cons_flags - General console flags + * @CON_PRINTBUFFER: Used by newly registered consoles to avoid duplicate + * output of messages that were already shown by boot + * consoles or read by userspace via syslog() syscall. + * @CON_CONSDEV: Indicates that the console driver is backing + * /dev/console. + * @CON_ENABLED: Indicates if a console is allowed to print records. If + * false, the console also will not advance to later + * records. + * @CON_BOOT: Marks the console driver as early console driver which + * is used during boot before the real driver becomes + * available. It will be automatically unregistered + * when the real console driver is registered unless + * "keep_bootcon" parameter is used. + * @CON_ANYTIME: A misnomed historical flag which tells the core code + * that the legacy @console::write callback can be invoked + * on a CPU which is marked OFFLINE. That is misleading as + * it suggests that there is no contextual limit for + * invoking the callback. The original motivation was + * readiness of the per-CPU areas. + * @CON_BRL: Indicates a braille device which is exempt from + * receiving the printk spam for obvious reasons. + * @CON_EXTENDED: The console supports the extended output format of + * /dev/kmesg which requires a larger output buffer. + */ +enum cons_flags { + CON_PRINTBUFFER = BIT(0), + CON_CONSDEV = BIT(1), + CON_ENABLED = BIT(2), + CON_BOOT = BIT(3), + CON_ANYTIME = BIT(4), + CON_BRL = BIT(5), + CON_EXTENDED = BIT(6), +}; +/** + * struct console - The console descriptor structure + * @name: The name of the console driver + * @write: Write callback to output messages (Optional) + * @read: Read callback for console input (Optional) + * @device: The underlying TTY device driver (Optional) + * @unblank: Callback to unblank the console (Optional) + * @setup: Callback for initializing the console (Optional) + * @exit: Callback for teardown of the console (Optional) + * @match: Callback for matching a console (Optional) + * @flags: Console flags. See enum cons_flags + * @index: Console index, e.g. port number + * @cflag: TTY control mode flags + * @ispeed: TTY input speed + * @ospeed: TTY output speed + * @seq: Sequence number of the next ringbuffer record to print + * @dropped: Number of unreported dropped ringbuffer records + * @data: Driver private data + * @node: hlist node for the console list + */ struct console { - char name[16]; - void (*write)(struct console *, const char *, unsigned); - int (*read)(struct console *, char *, unsigned); - struct tty_driver *(*device)(struct console *, int *); - void (*unblank)(void); - int (*setup)(struct console *, char *); - int (*exit)(struct console *); - int (*match)(struct console *, char *name, int idx, char *options); - short flags; - short index; - int cflag; - uint ispeed; - uint ospeed; - u64 seq; - unsigned long dropped; - void *data; - struct hlist_node node; + char name[16]; + void (*write)(struct console *co, const char *s, unsigned int count); + int (*read)(struct console *co, char *s, unsigned int count); + struct tty_driver *(*device)(struct console *co, int *index); + void (*unblank)(void); + int (*setup)(struct console *co, char *options); + int (*exit)(struct console *co); + int (*match)(struct console *co, char *name, int idx, char *options); + short flags; + short index; + int cflag; + uint ispeed; + uint ospeed; + u64 seq; + unsigned long dropped; + void *data; + struct hlist_node node; }; #ifdef CONFIG_LOCKDEP diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index 1518568aaf0f..539f1cd45309 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -18,7 +18,6 @@ #include <linux/workqueue.h> struct uni_pagedict; -struct uni_screen; #define NPAR 16 #define VC_TABSTOPS_COUNT 256U @@ -159,7 +158,7 @@ struct vc_data { struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */ struct uni_pagedict *uni_pagedict; struct uni_pagedict **uni_pagedict_loc; /* [!] Location of uni_pagedict variable for this console */ - struct uni_screen *vc_uni_screen; /* unicode screen content */ + u32 **vc_uni_lines; /* unicode screen content */ /* additional information is in vt_kern.h */ }; diff --git a/include/linux/container_of.h b/include/linux/container_of.h index 1d898f9158b4..713890c867be 100644 --- a/include/linux/container_of.h +++ b/include/linux/container_of.h @@ -3,7 +3,7 @@ #define _LINUX_CONTAINER_OF_H #include <linux/build_bug.h> -#include <linux/err.h> +#include <linux/stddef.h> #define typeof_member(T, m) typeof(((T*)0)->m) diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index dcef4a9e4d63..d4afa8508a80 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -130,9 +130,36 @@ static __always_inline unsigned long ct_state_inc(int incby) return arch_atomic_add_return(incby, this_cpu_ptr(&context_tracking.state)); } +static __always_inline bool warn_rcu_enter(void) +{ + bool ret = false; + + /* + * Horrible hack to shut up recursive RCU isn't watching fail since + * lots of the actual reporting also relies on RCU. + */ + preempt_disable_notrace(); + if (rcu_dynticks_curr_cpu_in_eqs()) { + ret = true; + ct_state_inc(RCU_DYNTICKS_IDX); + } + + return ret; +} + +static __always_inline void warn_rcu_exit(bool rcu) +{ + if (rcu) + ct_state_inc(RCU_DYNTICKS_IDX); + preempt_enable_notrace(); +} + #else static inline void ct_idle_enter(void) { } static inline void ct_idle_exit(void) { } + +static __always_inline bool warn_rcu_enter(void) { return false; } +static __always_inline void warn_rcu_exit(bool rcu) { } #endif /* !CONFIG_CONTEXT_TRACKING_IDLE */ #endif diff --git a/include/linux/coresight-pmu.h b/include/linux/coresight-pmu.h index 6c2fd6cc5a98..51ac441a37c3 100644 --- a/include/linux/coresight-pmu.h +++ b/include/linux/coresight-pmu.h @@ -7,8 +7,19 @@ #ifndef _LINUX_CORESIGHT_PMU_H #define _LINUX_CORESIGHT_PMU_H +#include <linux/bits.h> + #define CORESIGHT_ETM_PMU_NAME "cs_etm" -#define CORESIGHT_ETM_PMU_SEED 0x10 + +/* + * The legacy Trace ID system based on fixed calculation from the cpu + * number. This has been replaced by drivers using a dynamic allocation + * system - but need to retain the legacy algorithm for backward comparibility + * in certain situations:- + * a) new perf running on older systems that generate the legacy mapping + * b) older tools that may not update at the same time as the kernel. + */ +#define CORESIGHT_LEGACY_CPU_TRACE_ID(cpu) (0x10 + (cpu * 2)) /* * Below are the definition of bit offsets for perf option, and works as @@ -34,15 +45,16 @@ #define ETM4_CFG_BIT_RETSTK 12 #define ETM4_CFG_BIT_VMID_OPT 15 -static inline int coresight_get_trace_id(int cpu) -{ - /* - * A trace ID of value 0 is invalid, so let's start at some - * random value that fits in 7 bits and go from there. Since - * the common convention is to have data trace IDs be I(N) + 1, - * set instruction trace IDs as a function of the CPU number. - */ - return (CORESIGHT_ETM_PMU_SEED + (cpu * 2)); -} +/* + * Interpretation of the PERF_RECORD_AUX_OUTPUT_HW_ID payload. + * Used to associate a CPU with the CoreSight Trace ID. + * [07:00] - Trace ID - uses 8 bits to make value easy to read in file. + * [59:08] - Unused (SBZ) + * [63:60] - Version + */ +#define CS_AUX_HW_ID_TRACE_ID_MASK GENMASK_ULL(7, 0) +#define CS_AUX_HW_ID_VERSION_MASK GENMASK_ULL(63, 60) + +#define CS_AUX_HW_ID_CURR_VERSION 0 #endif diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 1554021231f9..f19a47b9bb5a 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -61,6 +61,7 @@ enum coresight_dev_subtype_source { CORESIGHT_DEV_SUBTYPE_SOURCE_PROC, CORESIGHT_DEV_SUBTYPE_SOURCE_BUS, CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE, + CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS, }; enum coresight_dev_subtype_helper { @@ -314,14 +315,11 @@ struct coresight_ops_link { * Operations available for sources. * @cpu_id: returns the value of the CPU number this component * is associated to. - * @trace_id: returns the value of the component's trace ID as known - * to the HW. * @enable: enables tracing for a source. * @disable: disables tracing for a source. */ struct coresight_ops_source { int (*cpu_id)(struct coresight_device *csdev); - int (*trace_id)(struct coresight_device *csdev); int (*enable)(struct coresight_device *csdev, struct perf_event *event, u32 mode); void (*disable)(struct coresight_device *csdev, diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 314802f98b9d..f83e4519c5f0 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -176,9 +176,6 @@ void __noreturn cpu_startup_entry(enum cpuhp_state state); void cpu_idle_poll_ctrl(bool enable); -/* Attach to any functions which should be considered cpuidle. */ -#define __cpuidle __section(".cpuidle.text") - bool cpu_in_idle(unsigned long pc); void arch_cpu_idle(void); diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 6a94a6eaad27..65623233ab2f 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -448,7 +448,7 @@ struct cpufreq_driver { #define CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING BIT(6) int cpufreq_register_driver(struct cpufreq_driver *driver_data); -int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); +void cpufreq_unregister_driver(struct cpufreq_driver *driver_data); bool cpufreq_driver_test_flags(u16 flags); const char *cpufreq_get_current_driver(void); diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 6c6859bfc454..c6fab004104a 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -187,10 +187,6 @@ enum cpuhp_state { CPUHP_AP_CSKY_TIMER_STARTING, CPUHP_AP_TI_GP_TIMER_STARTING, CPUHP_AP_HYPERV_TIMER_STARTING, - CPUHP_AP_KVM_STARTING, - CPUHP_AP_KVM_ARM_VGIC_INIT_STARTING, - CPUHP_AP_KVM_ARM_VGIC_STARTING, - CPUHP_AP_KVM_ARM_TIMER_STARTING, /* Must be the last timer callback */ CPUHP_AP_DUMMY_TIMER_STARTING, CPUHP_AP_ARM_XEN_STARTING, @@ -205,6 +201,7 @@ enum cpuhp_state { /* Online section invoked on the hotplugged CPU from the hotplug thread */ CPUHP_AP_ONLINE_IDLE, + CPUHP_AP_KVM_ONLINE, CPUHP_AP_SCHED_WAIT_EMPTY, CPUHP_AP_SMPBOOT_THREADS, CPUHP_AP_X86_VDSO_VMA_ONLINE, @@ -221,6 +218,7 @@ enum cpuhp_state { CPUHP_AP_PERF_X86_CQM_ONLINE, CPUHP_AP_PERF_X86_CSTATE_ONLINE, CPUHP_AP_PERF_X86_IDXD_ONLINE, + CPUHP_AP_PERF_X86_IOMMU_PERF_ONLINE, CPUHP_AP_PERF_S390_CF_ONLINE, CPUHP_AP_PERF_S390_SF_ONLINE, CPUHP_AP_PERF_ARM_CCI_ONLINE, diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index fce476275e16..3183aeb7f5b4 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -14,6 +14,7 @@ #include <linux/percpu.h> #include <linux/list.h> #include <linux/hrtimer.h> +#include <linux/context_tracking.h> #define CPUIDLE_STATE_MAX 10 #define CPUIDLE_NAME_LEN 16 @@ -115,6 +116,35 @@ struct cpuidle_device { DECLARE_PER_CPU(struct cpuidle_device *, cpuidle_devices); DECLARE_PER_CPU(struct cpuidle_device, cpuidle_dev); +static __always_inline void ct_cpuidle_enter(void) +{ + lockdep_assert_irqs_disabled(); + /* + * Idle is allowed to (temporary) enable IRQs. It + * will return with IRQs disabled. + * + * Trace IRQs enable here, then switch off RCU, and have + * arch_cpu_idle() use raw_local_irq_enable(). Note that + * ct_idle_enter() relies on lockdep IRQ state, so switch that + * last -- this is very similar to the entry code. + */ + trace_hardirqs_on_prepare(); + lockdep_hardirqs_on_prepare(); + instrumentation_end(); + ct_idle_enter(); + lockdep_hardirqs_on(_RET_IP_); +} + +static __always_inline void ct_cpuidle_exit(void) +{ + /* + * Carefully undo the above. + */ + lockdep_hardirqs_off(_RET_IP_); + ct_idle_exit(); + instrumentation_begin(); +} + /**************************** * CPUIDLE DRIVER INTERFACE * ****************************/ @@ -277,7 +307,7 @@ extern s64 cpuidle_governor_latency_req(unsigned int cpu); #define __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, \ idx, \ state, \ - is_retention) \ + is_retention, is_rcu) \ ({ \ int __ret = 0; \ \ @@ -289,7 +319,11 @@ extern s64 cpuidle_governor_latency_req(unsigned int cpu); if (!is_retention) \ __ret = cpu_pm_enter(); \ if (!__ret) { \ + if (!is_rcu) \ + ct_cpuidle_enter(); \ __ret = low_level_idle_enter(state); \ + if (!is_rcu) \ + ct_cpuidle_exit(); \ if (!is_retention) \ cpu_pm_exit(); \ } \ @@ -298,15 +332,21 @@ extern s64 cpuidle_governor_latency_req(unsigned int cpu); }) #define CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx) \ - __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, idx, 0) + __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, idx, 0, 0) #define CPU_PM_CPU_IDLE_ENTER_RETENTION(low_level_idle_enter, idx) \ - __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, idx, 1) + __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, idx, 1, 0) #define CPU_PM_CPU_IDLE_ENTER_PARAM(low_level_idle_enter, idx, state) \ - __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, state, 0) + __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, state, 0, 0) + +#define CPU_PM_CPU_IDLE_ENTER_PARAM_RCU(low_level_idle_enter, idx, state) \ + __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, state, 0, 1) #define CPU_PM_CPU_IDLE_ENTER_RETENTION_PARAM(low_level_idle_enter, idx, state) \ - __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, state, 1) + __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, state, 1, 0) + +#define CPU_PM_CPU_IDLE_ENTER_RETENTION_PARAM_RCU(low_level_idle_enter, idx, state) \ + __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx, state, 1, 1) #endif /* _LINUX_CPUIDLE_H */ diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index c2aa0aa26b45..10c92bd9b807 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -391,6 +391,26 @@ unsigned int cpumask_nth_andnot(unsigned int cpu, const struct cpumask *srcp1, nr_cpumask_bits, cpumask_check(cpu)); } +/** + * cpumask_nth_and_andnot - get the Nth cpu set in 1st and 2nd cpumask, and clear in 3rd. + * @srcp1: the cpumask pointer + * @srcp2: the cpumask pointer + * @srcp3: the cpumask pointer + * @cpu: the N'th cpu to find, starting from 0 + * + * Returns >= nr_cpu_ids if such cpu doesn't exist. + */ +static __always_inline +unsigned int cpumask_nth_and_andnot(unsigned int cpu, const struct cpumask *srcp1, + const struct cpumask *srcp2, + const struct cpumask *srcp3) +{ + return find_nth_and_andnot_bit(cpumask_bits(srcp1), + cpumask_bits(srcp2), + cpumask_bits(srcp3), + nr_cpumask_bits, cpumask_check(cpu)); +} + #define CPU_BITS_NONE \ { \ [0 ... BITS_TO_LONGS(NR_CPUS)-1] = 0UL \ @@ -1017,9 +1037,9 @@ static inline const struct cpumask *get_cpu_mask(unsigned int cpu) * concurrent CPU hotplug operations unless invoked from a cpuhp_lock held * region. */ -static inline unsigned int num_online_cpus(void) +static __always_inline unsigned int num_online_cpus(void) { - return atomic_read(&__num_online_cpus); + return arch_atomic_read(&__num_online_cpus); } #define num_possible_cpus() cpumask_weight(cpu_possible_mask) #define num_present_cpus() cpumask_weight(cpu_present_mask) diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 5d1e961f810e..bb1d9b0e1647 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -176,7 +176,7 @@ struct crypto_async_request; struct crypto_tfm; struct crypto_type; -typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); +typedef void (*crypto_completion_t)(void *req, int err); /** * DOC: Block Cipher Context Data Structures @@ -595,7 +595,7 @@ struct crypto_wait { /* * Async ops completion helper functioons */ -void crypto_req_done(struct crypto_async_request *req, int err); +void crypto_req_done(void *req, int err); static inline int crypto_wait_req(int err, struct crypto_wait *wait) { diff --git a/include/linux/cxl_err.h b/include/linux/cxl_err.h deleted file mode 100644 index 629e1bdeda44..000000000000 --- a/include/linux/cxl_err.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2022 Advanced Micro Devices, Inc. - * - * Author: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com> - */ - -#ifndef LINUX_CXL_ERR_H -#define LINUX_CXL_ERR_H - -/* CXL RAS Capability Structure, CXL v3.1 sec 8.2.4.16 */ -struct cxl_ras_capability_regs { - u32 uncor_status; - u32 uncor_mask; - u32 uncor_severity; - u32 cor_status; - u32 cor_mask; - u32 cap_control; - u32 header_log[16]; -}; - -#endif //__CXL_ERR_ diff --git a/include/linux/damon.h b/include/linux/damon.h index ad15a5b88e3a..d5d4d19928e0 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -8,6 +8,7 @@ #ifndef _DAMON_H_ #define _DAMON_H_ +#include <linux/memcontrol.h> #include <linux/mutex.h> #include <linux/time64.h> #include <linux/types.h> @@ -90,6 +91,12 @@ struct damon_target { * @DAMOS_LRU_DEPRIO: Deprioritize the region on its LRU lists. * @DAMOS_STAT: Do nothing but count the stat. * @NR_DAMOS_ACTIONS: Total number of DAMOS actions + * + * The support of each action is up to running &struct damon_operations. + * &enum DAMON_OPS_VADDR and &enum DAMON_OPS_FVADDR supports all actions except + * &enum DAMOS_LRU_PRIO and &enum DAMOS_LRU_DEPRIO. &enum DAMON_OPS_PADDR + * supports only &enum DAMOS_PAGEOUT, &enum DAMOS_LRU_PRIO, &enum + * DAMOS_LRU_DEPRIO, and &DAMOS_STAT. */ enum damos_action { DAMOS_WILLNEED, @@ -216,6 +223,44 @@ struct damos_stat { }; /** + * enum damos_filter_type - Type of memory for &struct damos_filter + * @DAMOS_FILTER_TYPE_ANON: Anonymous pages. + * @DAMOS_FILTER_TYPE_MEMCG: Specific memcg's pages. + * @NR_DAMOS_FILTER_TYPES: Number of filter types. + * + * The support of each filter type is up to running &struct damon_operations. + * &enum DAMON_OPS_PADDR is supporting all filter types, while + * &enum DAMON_OPS_VADDR and &enum DAMON_OPS_FVADDR are not supporting any + * filter types. + */ +enum damos_filter_type { + DAMOS_FILTER_TYPE_ANON, + DAMOS_FILTER_TYPE_MEMCG, + NR_DAMOS_FILTER_TYPES, +}; + +/** + * struct damos_filter - DAMOS action target memory filter. + * @type: Type of the page. + * @matching: If the matching page should filtered out or in. + * @memcg_id: Memcg id of the question if @type is DAMOS_FILTER_MEMCG. + * @list: List head for siblings. + * + * Before applying the &damos->action to a memory region, DAMOS checks if each + * page of the region matches to this and avoid applying the action if so. + * Note that the check support is up to &struct damon_operations + * implementation. + */ +struct damos_filter { + enum damos_filter_type type; + bool matching; + union { + unsigned short memcg_id; + }; + struct list_head list; +}; + +/** * struct damos_access_pattern - Target access pattern of the given scheme. * @min_sz_region: Minimum size of target regions. * @max_sz_region: Maximum size of target regions. @@ -239,6 +284,7 @@ struct damos_access_pattern { * @action: &damo_action to be applied to the target regions. * @quota: Control the aggressiveness of this scheme. * @wmarks: Watermarks for automated (in)activation of this scheme. + * @filters: Additional set of &struct damos_filter for &action. * @stat: Statistics of this scheme. * @list: List head for siblings. * @@ -254,6 +300,10 @@ struct damos_access_pattern { * If all schemes that registered to a &struct damon_ctx are inactive, DAMON * stops monitoring and just repeatedly checks the watermarks. * + * Before applying the &action to a memory region, &struct damon_operations + * implementation could check pages of the region and skip &action to respect + * &filters + * * After applying the &action to each region, &stat_count and &stat_sz is * updated to reflect the number of regions and total size of regions that the * &action is applied. @@ -263,6 +313,7 @@ struct damos { enum damos_action action; struct damos_quota quota; struct damos_watermarks wmarks; + struct list_head filters; struct damos_stat stat; struct list_head list; }; @@ -303,10 +354,10 @@ struct damon_ctx; * users should register the low level operations for their target address * space and usecase via the &damon_ctx.ops. Then, the monitoring thread * (&damon_ctx.kdamond) calls @init and @prepare_access_checks before starting - * the monitoring, @update after each &damon_ctx.ops_update_interval, and + * the monitoring, @update after each &damon_attrs.ops_update_interval, and * @check_accesses, @target_valid and @prepare_access_checks after each - * &damon_ctx.sample_interval. Finally, @reset_aggregated is called after each - * &damon_ctx.aggr_interval. + * &damon_attrs.sample_interval. Finally, @reset_aggregated is called after + * each &damon_attrs.aggr_interval. * * Each &struct damon_operations instance having valid @id can be registered * via damon_register_ops() and selected by damon_select_ops() later. @@ -516,6 +567,12 @@ static inline unsigned long damon_sz_region(struct damon_region *r) #define damon_for_each_scheme_safe(s, next, ctx) \ list_for_each_entry_safe(s, next, &(ctx)->schemes, list) +#define damos_for_each_filter(f, scheme) \ + list_for_each_entry(f, &(scheme)->filters, list) + +#define damos_for_each_filter_safe(f, next, scheme) \ + list_for_each_entry_safe(f, next, &(scheme)->filters, list) + #ifdef CONFIG_DAMON struct damon_region *damon_new_region(unsigned long start, unsigned long end); @@ -536,6 +593,11 @@ void damon_destroy_region(struct damon_region *r, struct damon_target *t); int damon_set_regions(struct damon_target *t, struct damon_addr_range *ranges, unsigned int nr_ranges); +struct damos_filter *damos_new_filter(enum damos_filter_type type, + bool matching); +void damos_add_filter(struct damos *s, struct damos_filter *f); +void damos_destroy_filter(struct damos_filter *f); + struct damos *damon_new_scheme(struct damos_access_pattern *pattern, enum damos_action action, struct damos_quota *quota, struct damos_watermarks *wmarks); diff --git a/include/linux/dax.h b/include/linux/dax.h index 2b5ecb591059..bf6258472e49 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -262,11 +262,14 @@ static inline bool dax_mapping(struct address_space *mapping) } #ifdef CONFIG_DEV_DAX_HMEM_DEVICES -void hmem_register_device(int target_nid, struct resource *r); +void hmem_register_resource(int target_nid, struct resource *r); #else -static inline void hmem_register_device(int target_nid, struct resource *r) +static inline void hmem_register_resource(int target_nid, struct resource *r) { } #endif +typedef int (*walk_hmem_fn)(struct device *dev, int target_nid, + const struct resource *res); +int walk_hmem_resources(struct device *dev, walk_hmem_fn fn); #endif diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index 4dc7cda4fd46..7fd704bb8f3d 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -273,8 +273,8 @@ void devm_devfreq_unregister_notifier(struct device *dev, struct devfreq *devfreq_get_devfreq_by_node(struct device_node *node); struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev, const char *phandle_name, int index); +#endif /* CONFIG_PM_DEVFREQ */ -#if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) /** * struct devfreq_simple_ondemand_data - ``void *data`` fed to struct devfreq * and devfreq_add_device @@ -292,9 +292,7 @@ struct devfreq_simple_ondemand_data { unsigned int upthreshold; unsigned int downdifferential; }; -#endif -#if IS_ENABLED(CONFIG_DEVFREQ_GOV_PASSIVE) enum devfreq_parent_dev_type { DEVFREQ_PARENT_DEV, CPUFREQ_PARENT_DEV, @@ -337,9 +335,8 @@ struct devfreq_passive_data { struct notifier_block nb; struct list_head cpu_data_list; }; -#endif -#else /* !CONFIG_PM_DEVFREQ */ +#if !defined(CONFIG_PM_DEVFREQ) static inline struct devfreq *devfreq_add_device(struct device *dev, struct devfreq_dev_profile *profile, const char *governor_name, diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 04c6acf7faaa..7975483816e4 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2001 Sistina Software (UK) Limited. * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. @@ -87,10 +88,10 @@ typedef int (*dm_preresume_fn) (struct dm_target *ti); typedef void (*dm_resume_fn) (struct dm_target *ti); typedef void (*dm_status_fn) (struct dm_target *ti, status_type_t status_type, - unsigned status_flags, char *result, unsigned maxlen); + unsigned int status_flags, char *result, unsigned int maxlen); -typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv, - char *result, unsigned maxlen); +typedef int (*dm_message_fn) (struct dm_target *ti, unsigned int argc, char **argv, + char *result, unsigned int maxlen); typedef int (*dm_prepare_ioctl_fn) (struct dm_target *ti, struct block_device **bdev); @@ -187,7 +188,7 @@ struct target_type { uint64_t features; const char *name; struct module *module; - unsigned version[3]; + unsigned int version[3]; dm_ctr_fn ctr; dm_dtr_fn dtr; dm_map_fn map; @@ -313,31 +314,31 @@ struct dm_target { * It is a responsibility of the target driver to remap these bios * to the real underlying devices. */ - unsigned num_flush_bios; + unsigned int num_flush_bios; /* * The number of discard bios that will be submitted to the target. * The bio number can be accessed with dm_bio_get_target_bio_nr. */ - unsigned num_discard_bios; + unsigned int num_discard_bios; /* * The number of secure erase bios that will be submitted to the target. * The bio number can be accessed with dm_bio_get_target_bio_nr. */ - unsigned num_secure_erase_bios; + unsigned int num_secure_erase_bios; /* * The number of WRITE ZEROES bios that will be submitted to the target. * The bio number can be accessed with dm_bio_get_target_bio_nr. */ - unsigned num_write_zeroes_bios; + unsigned int num_write_zeroes_bios; /* * The minimum number of extra bytes allocated in each io for the * target to use. */ - unsigned per_io_data_size; + unsigned int per_io_data_size; /* target specific data */ void *private; @@ -383,7 +384,7 @@ struct dm_target { void *dm_per_bio_data(struct bio *bio, size_t data_size); struct bio *dm_bio_from_per_bio_data(void *data, size_t data_size); -unsigned dm_bio_get_target_bio_nr(const struct bio *bio); +unsigned int dm_bio_get_target_bio_nr(const struct bio *bio); u64 dm_start_time_ns_from_clone(struct bio *bio); @@ -394,7 +395,7 @@ void dm_unregister_target(struct target_type *t); * Target argument parsing. */ struct dm_arg_set { - unsigned argc; + unsigned int argc; char **argv; }; @@ -403,8 +404,8 @@ struct dm_arg_set { * the error message to use if the number is found to be outside that range. */ struct dm_arg { - unsigned min; - unsigned max; + unsigned int min; + unsigned int max; char *error; }; @@ -413,7 +414,7 @@ struct dm_arg { * returning -EINVAL and setting *error. */ int dm_read_arg(const struct dm_arg *arg, struct dm_arg_set *arg_set, - unsigned *value, char **error); + unsigned int *value, char **error); /* * Process the next argument as the start of a group containing between @@ -421,7 +422,7 @@ int dm_read_arg(const struct dm_arg *arg, struct dm_arg_set *arg_set, * *num_args or, if invalid, return -EINVAL and set *error. */ int dm_read_arg_group(const struct dm_arg *arg, struct dm_arg_set *arg_set, - unsigned *num_args, char **error); + unsigned int *num_args, char **error); /* * Return the current argument and shift to the next. @@ -431,12 +432,14 @@ const char *dm_shift_arg(struct dm_arg_set *as); /* * Move through num_args arguments. */ -void dm_consume_args(struct dm_arg_set *as, unsigned num_args); +void dm_consume_args(struct dm_arg_set *as, unsigned int num_args); -/*----------------------------------------------------------------- +/* + *---------------------------------------------------------------- * Functions for creating and manipulating mapped devices. * Drop the reference with dm_put when you finish with the object. - *---------------------------------------------------------------*/ + *---------------------------------------------------------------- + */ /* * DM_ANY_MINOR chooses the next available minor number. @@ -461,7 +464,7 @@ void *dm_get_mdptr(struct mapped_device *md); /* * A device can still be used while suspended, but I/O is deferred. */ -int dm_suspend(struct mapped_device *md, unsigned suspend_flags); +int dm_suspend(struct mapped_device *md, unsigned int suspend_flags); int dm_resume(struct mapped_device *md); /* @@ -481,7 +484,7 @@ struct gendisk *dm_disk(struct mapped_device *md); int dm_suspended(struct dm_target *ti); int dm_post_suspending(struct dm_target *ti); int dm_noflush_suspending(struct dm_target *ti); -void dm_accept_partial_bio(struct bio *bio, unsigned n_sectors); +void dm_accept_partial_bio(struct bio *bio, unsigned int n_sectors); void dm_submit_bio_remap(struct bio *clone, struct bio *tgt_clone); union map_info *dm_get_rq_mapinfo(struct request *rq); @@ -517,15 +520,17 @@ struct queue_limits *dm_get_queue_limits(struct mapped_device *md); int dm_get_geometry(struct mapped_device *md, struct hd_geometry *geo); int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo); -/*----------------------------------------------------------------- +/* + *--------------------------------------------------------------- * Functions for manipulating device-mapper tables. - *---------------------------------------------------------------*/ + *--------------------------------------------------------------- + */ /* * First create an empty table. */ int dm_table_create(struct dm_table **result, fmode_t mode, - unsigned num_targets, struct mapped_device *md); + unsigned int num_targets, struct mapped_device *md); /* * Then call this once for each target. @@ -593,9 +598,11 @@ struct dm_table *dm_swap_table(struct mapped_device *md, */ void dm_destroy_crypto_profile(struct blk_crypto_profile *profile); -/*----------------------------------------------------------------- +/* + *--------------------------------------------------------------- * Macros. - *---------------------------------------------------------------*/ + *--------------------------------------------------------------- + */ #define DM_NAME "device-mapper" #define DM_FMT(fmt) DM_NAME ": " DM_MSG_PREFIX ": " fmt "\n" @@ -612,8 +619,7 @@ void dm_destroy_crypto_profile(struct blk_crypto_profile *profile); #define DMDEBUG(fmt, ...) pr_debug(DM_FMT(fmt), ##__VA_ARGS__) #define DMDEBUG_LIMIT(fmt, ...) pr_debug_ratelimited(DM_FMT(fmt), ##__VA_ARGS__) -#define DMEMIT(x...) sz += ((sz >= maxlen) ? \ - 0 : scnprintf(result + sz, maxlen - sz, x)) +#define DMEMIT(x...) (sz += ((sz >= maxlen) ? 0 : scnprintf(result + sz, maxlen - sz, x))) #define DMEMIT_TARGET_NAME_VERSION(y) \ DMEMIT("target_name=%s,target_version=%u.%u.%u", \ diff --git a/include/linux/device.h b/include/linux/device.h index 44e3acae7b36..1508e637bb26 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -88,8 +88,8 @@ int subsys_virtual_register(struct bus_type *subsys, struct device_type { const char *name; const struct attribute_group **groups; - int (*uevent)(struct device *dev, struct kobj_uevent_env *env); - char *(*devnode)(struct device *dev, umode_t *mode, + int (*uevent)(const struct device *dev, struct kobj_uevent_env *env); + char *(*devnode)(const struct device *dev, umode_t *mode, kuid_t *uid, kgid_t *gid); void (*release)(struct device *dev); @@ -328,6 +328,7 @@ enum device_link_state { #define DL_FLAG_MANAGED BIT(6) #define DL_FLAG_SYNC_STATE_ONLY BIT(7) #define DL_FLAG_INFERRED BIT(8) +#define DL_FLAG_CYCLE BIT(9) /** * enum dl_dev_state - Device driver presence tracking information. @@ -907,8 +908,6 @@ int device_rename(struct device *dev, const char *new_name); int device_move(struct device *dev, struct device *new_parent, enum dpm_order dpm_order); int device_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid); -const char *device_get_devnode(struct device *dev, umode_t *mode, kuid_t *uid, - kgid_t *gid, const char **tmp); int device_is_dependent(struct device *dev, void *target); static inline bool device_supports_offline(struct device *dev) diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h index d8b29ccd07e5..6ce32ef4b8fd 100644 --- a/include/linux/device/bus.h +++ b/include/linux/device/bus.h @@ -66,8 +66,6 @@ struct fwnode_handle; * @iommu_ops: IOMMU specific operations for this bus, used to attach IOMMU * driver implementations to a bus and allow the driver to do * bus-specific setup - * @p: The private data of the driver core, only the driver core can - * touch this. * @lock_key: Lock class key for use by the lock validator * @need_parent_lock: When probing or removing a device on this bus, the * device core should lock the device's parent. @@ -90,7 +88,7 @@ struct bus_type { const struct attribute_group **drv_groups; int (*match)(struct device *dev, struct device_driver *drv); - int (*uevent)(struct device *dev, struct kobj_uevent_env *env); + int (*uevent)(const struct device *dev, struct kobj_uevent_env *env); int (*probe)(struct device *dev); void (*sync_state)(struct device *dev); void (*remove)(struct device *dev); @@ -111,15 +109,12 @@ struct bus_type { const struct iommu_ops *iommu_ops; - struct subsys_private *p; - struct lock_class_key lock_key; - bool need_parent_lock; }; extern int __must_check bus_register(struct bus_type *bus); -extern void bus_unregister(struct bus_type *bus); +extern void bus_unregister(const struct bus_type *bus); extern int __must_check bus_rescan_devices(struct bus_type *bus); @@ -136,9 +131,8 @@ struct bus_attribute { #define BUS_ATTR_WO(_name) \ struct bus_attribute bus_attr_##_name = __ATTR_WO(_name) -extern int __must_check bus_create_file(struct bus_type *, - struct bus_attribute *); -extern void bus_remove_file(struct bus_type *, struct bus_attribute *); +int __must_check bus_create_file(const struct bus_type *bus, struct bus_attribute *attr); +void bus_remove_file(const struct bus_type *bus, struct bus_attribute *attr); /* Generic device matching functions that all busses can use to match with */ int device_match_name(struct device *dev, const void *name); @@ -150,20 +144,9 @@ int device_match_acpi_handle(struct device *dev, const void *handle); int device_match_any(struct device *dev, const void *unused); /* iterator helpers for buses */ -struct subsys_dev_iter { - struct klist_iter ki; - const struct device_type *type; -}; -void subsys_dev_iter_init(struct subsys_dev_iter *iter, - struct bus_type *subsys, - struct device *start, - const struct device_type *type); -struct device *subsys_dev_iter_next(struct subsys_dev_iter *iter); -void subsys_dev_iter_exit(struct subsys_dev_iter *iter); - -int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, +int bus_for_each_dev(const struct bus_type *bus, struct device *start, void *data, int (*fn)(struct device *dev, void *data)); -struct device *bus_find_device(struct bus_type *bus, struct device *start, +struct device *bus_find_device(const struct bus_type *bus, struct device *start, const void *data, int (*match)(struct device *dev, const void *data)); /** @@ -173,7 +156,7 @@ struct device *bus_find_device(struct bus_type *bus, struct device *start, * @start: Device to begin with * @name: name of the device to match */ -static inline struct device *bus_find_device_by_name(struct bus_type *bus, +static inline struct device *bus_find_device_by_name(const struct bus_type *bus, struct device *start, const char *name) { @@ -187,7 +170,7 @@ static inline struct device *bus_find_device_by_name(struct bus_type *bus, * @np: of_node of the device to match. */ static inline struct device * -bus_find_device_by_of_node(struct bus_type *bus, const struct device_node *np) +bus_find_device_by_of_node(const struct bus_type *bus, const struct device_node *np) { return bus_find_device(bus, NULL, np, device_match_of_node); } @@ -199,7 +182,7 @@ bus_find_device_by_of_node(struct bus_type *bus, const struct device_node *np) * @fwnode: fwnode of the device to match. */ static inline struct device * -bus_find_device_by_fwnode(struct bus_type *bus, const struct fwnode_handle *fwnode) +bus_find_device_by_fwnode(const struct bus_type *bus, const struct fwnode_handle *fwnode) { return bus_find_device(bus, NULL, fwnode, device_match_fwnode); } @@ -210,7 +193,7 @@ bus_find_device_by_fwnode(struct bus_type *bus, const struct fwnode_handle *fwno * @bus: bus type * @devt: device type of the device to match. */ -static inline struct device *bus_find_device_by_devt(struct bus_type *bus, +static inline struct device *bus_find_device_by_devt(const struct bus_type *bus, dev_t devt) { return bus_find_device(bus, NULL, &devt, device_match_devt); @@ -223,7 +206,7 @@ static inline struct device *bus_find_device_by_devt(struct bus_type *bus, * @cur: device to begin the search with. */ static inline struct device * -bus_find_next_device(struct bus_type *bus,struct device *cur) +bus_find_next_device(const struct bus_type *bus,struct device *cur) { return bus_find_device(bus, cur, NULL, device_match_any); } @@ -238,21 +221,19 @@ struct acpi_device; * @adev: ACPI COMPANION device to match. */ static inline struct device * -bus_find_device_by_acpi_dev(struct bus_type *bus, const struct acpi_device *adev) +bus_find_device_by_acpi_dev(const struct bus_type *bus, const struct acpi_device *adev) { return bus_find_device(bus, NULL, adev, device_match_acpi_dev); } #else static inline struct device * -bus_find_device_by_acpi_dev(struct bus_type *bus, const void *adev) +bus_find_device_by_acpi_dev(const struct bus_type *bus, const void *adev) { return NULL; } #endif -struct device *subsys_find_device_by_id(struct bus_type *bus, unsigned int id, - struct device *hint); -int bus_for_each_drv(struct bus_type *bus, struct device_driver *start, +int bus_for_each_drv(const struct bus_type *bus, struct device_driver *start, void *data, int (*fn)(struct device_driver *, void *)); void bus_sort_breadthfirst(struct bus_type *bus, int (*compare)(const struct device *a, @@ -265,28 +246,42 @@ void bus_sort_breadthfirst(struct bus_type *bus, */ struct notifier_block; -extern int bus_register_notifier(struct bus_type *bus, +extern int bus_register_notifier(const struct bus_type *bus, struct notifier_block *nb); -extern int bus_unregister_notifier(struct bus_type *bus, +extern int bus_unregister_notifier(const struct bus_type *bus, struct notifier_block *nb); -/* All 4 notifers below get called with the target struct device * - * as an argument. Note that those functions are likely to be called - * with the device lock held in the core, so be careful. +/** + * enum bus_notifier_event - Bus Notifier events that have happened + * @BUS_NOTIFY_ADD_DEVICE: device is added to this bus + * @BUS_NOTIFY_DEL_DEVICE: device is about to be removed from this bus + * @BUS_NOTIFY_REMOVED_DEVICE: device is successfully removed from this bus + * @BUS_NOTIFY_BIND_DRIVER: a driver is about to be bound to this device on this bus + * @BUS_NOTIFY_BOUND_DRIVER: a driver is successfully bound to this device on this bus + * @BUS_NOTIFY_UNBIND_DRIVER: a driver is about to be unbound from this device on this bus + * @BUS_NOTIFY_UNBOUND_DRIVER: a driver is successfully unbound from this device on this bus + * @BUS_NOTIFY_DRIVER_NOT_BOUND: a driver failed to be bound to this device on this bus + * + * These are the value passed to a bus notifier when a specific event happens. + * + * Note that bus notifiers are likely to be called with the device lock already + * held by the driver core, so be careful in any notifier callback as to what + * you do with the device structure. + * + * All bus notifiers are called with the target struct device * as an argument. */ -#define BUS_NOTIFY_ADD_DEVICE 0x00000001 /* device added */ -#define BUS_NOTIFY_DEL_DEVICE 0x00000002 /* device to be removed */ -#define BUS_NOTIFY_REMOVED_DEVICE 0x00000003 /* device removed */ -#define BUS_NOTIFY_BIND_DRIVER 0x00000004 /* driver about to be - bound */ -#define BUS_NOTIFY_BOUND_DRIVER 0x00000005 /* driver bound to device */ -#define BUS_NOTIFY_UNBIND_DRIVER 0x00000006 /* driver about to be - unbound */ -#define BUS_NOTIFY_UNBOUND_DRIVER 0x00000007 /* driver is unbound - from the device */ -#define BUS_NOTIFY_DRIVER_NOT_BOUND 0x00000008 /* driver fails to be bound */ +enum bus_notifier_event { + BUS_NOTIFY_ADD_DEVICE, + BUS_NOTIFY_DEL_DEVICE, + BUS_NOTIFY_REMOVED_DEVICE, + BUS_NOTIFY_BIND_DRIVER, + BUS_NOTIFY_BOUND_DRIVER, + BUS_NOTIFY_UNBIND_DRIVER, + BUS_NOTIFY_UNBOUND_DRIVER, + BUS_NOTIFY_DRIVER_NOT_BOUND, +}; -extern struct kset *bus_get_kset(struct bus_type *bus); -extern struct klist *bus_get_device_klist(struct bus_type *bus); +extern struct kset *bus_get_kset(const struct bus_type *bus); +struct device *bus_get_dev_root(const struct bus_type *bus); #endif diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h index 2114d65b862f..50d0a416a5e7 100644 --- a/include/linux/device/driver.h +++ b/include/linux/device/driver.h @@ -240,7 +240,6 @@ driver_find_device_by_acpi_dev(struct device_driver *drv, const void *adev) } #endif -extern int driver_deferred_probe_timeout; void driver_deferred_probe_add(struct device *dev); int driver_deferred_probe_check_state(struct device *dev); void driver_init(void); diff --git a/include/linux/dfl.h b/include/linux/dfl.h index 431636a0dc78..0a7a00a0ee7f 100644 --- a/include/linux/dfl.h +++ b/include/linux/dfl.h @@ -27,11 +27,15 @@ enum dfl_id_type { * @id: id of the dfl device. * @type: type of DFL FIU of the device. See enum dfl_id_type. * @feature_id: feature identifier local to its DFL FIU type. + * @revision: revision of this dfl device feature. * @mmio_res: mmio resource of this dfl device. * @irqs: list of Linux IRQ numbers of this dfl device. * @num_irqs: number of IRQs supported by this dfl device. * @cdev: pointer to DFL FPGA container device this dfl device belongs to. * @id_entry: matched id entry in dfl driver's id table. + * @dfh_version: version of DFH for the device + * @param_size: size of the block parameters in bytes + * @params: pointer to block of parameters copied memory */ struct dfl_device { struct device dev; @@ -44,6 +48,9 @@ struct dfl_device { unsigned int num_irqs; struct dfl_fpga_cdev *cdev; const struct dfl_device_id *id_entry; + u8 dfh_version; + unsigned int param_size; + void *params; }; /** @@ -84,4 +91,5 @@ void dfl_driver_unregister(struct dfl_driver *dfl_drv); module_driver(__dfl_driver, dfl_driver_register, \ dfl_driver_unregister) +void *dfh_find_param(struct dfl_device *dfl_dev, int param_id, size_t *pcount); #endif /* __LINUX_DFL_H */ diff --git a/include/linux/dm-bufio.h b/include/linux/dm-bufio.h index 15d9e15ca830..2056743aaaaa 100644 --- a/include/linux/dm-bufio.h +++ b/include/linux/dm-bufio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2009-2011 Red Hat, Inc. * @@ -26,8 +27,8 @@ struct dm_buffer; * Create a buffered IO cache on a given device */ struct dm_bufio_client * -dm_bufio_client_create(struct block_device *bdev, unsigned block_size, - unsigned reserved_buffers, unsigned aux_size, +dm_bufio_client_create(struct block_device *bdev, unsigned int block_size, + unsigned int reserved_buffers, unsigned int aux_size, void (*alloc_callback)(struct dm_buffer *), void (*write_callback)(struct dm_buffer *), unsigned int flags); @@ -81,7 +82,7 @@ void *dm_bufio_new(struct dm_bufio_client *c, sector_t block, * I/O to finish. */ void dm_bufio_prefetch(struct dm_bufio_client *c, - sector_t block, unsigned n_blocks); + sector_t block, unsigned int n_blocks); /* * Release a reference obtained with dm_bufio_{read,get,new}. The data @@ -106,7 +107,7 @@ void dm_bufio_mark_buffer_dirty(struct dm_buffer *b); * write the specified part of the buffer or it may write a larger superset. */ void dm_bufio_mark_partial_buffer_dirty(struct dm_buffer *b, - unsigned start, unsigned end); + unsigned int start, unsigned int end); /* * Initiate writing of dirty buffers, without waiting for completion. @@ -152,9 +153,9 @@ void dm_bufio_forget_buffers(struct dm_bufio_client *c, sector_t block, sector_t /* * Set the minimum number of buffers before cleanup happens. */ -void dm_bufio_set_minimum_buffers(struct dm_bufio_client *c, unsigned n); +void dm_bufio_set_minimum_buffers(struct dm_bufio_client *c, unsigned int n); -unsigned dm_bufio_get_block_size(struct dm_bufio_client *c); +unsigned int dm_bufio_get_block_size(struct dm_bufio_client *c); sector_t dm_bufio_get_device_size(struct dm_bufio_client *c); struct dm_io_client *dm_bufio_get_dm_io_client(struct dm_bufio_client *c); sector_t dm_bufio_get_block_number(struct dm_buffer *b); diff --git a/include/linux/dm-dirty-log.h b/include/linux/dm-dirty-log.h index 7084503c3405..0b10faedb26a 100644 --- a/include/linux/dm-dirty-log.h +++ b/include/linux/dm-dirty-log.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2003 Sistina Software * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. @@ -33,7 +34,7 @@ struct dm_dirty_log_type { struct list_head list; int (*ctr)(struct dm_dirty_log *log, struct dm_target *ti, - unsigned argc, char **argv); + unsigned int argc, char **argv); void (*dtr)(struct dm_dirty_log *log); /* @@ -96,7 +97,7 @@ struct dm_dirty_log_type { * Do not confuse this function with 'in_sync()', one * tells you if an area is synchronised, the other * assigns recovery work. - */ + */ int (*get_resync_work)(struct dm_dirty_log *log, region_t *region); /* @@ -116,7 +117,7 @@ struct dm_dirty_log_type { * Support function for mirror status requests. */ int (*status)(struct dm_dirty_log *log, status_type_t status_type, - char *result, unsigned maxlen); + char *result, unsigned int maxlen); /* * is_remote_recovering is necessary for cluster mirroring. It provides @@ -139,7 +140,7 @@ int dm_dirty_log_type_unregister(struct dm_dirty_log_type *type); struct dm_dirty_log *dm_dirty_log_create(const char *type_name, struct dm_target *ti, int (*flush_callback_fn)(struct dm_target *ti), - unsigned argc, char **argv); + unsigned int argc, char **argv); void dm_dirty_log_destroy(struct dm_dirty_log *log); #endif /* __KERNEL__ */ diff --git a/include/linux/dm-io.h b/include/linux/dm-io.h index 8e1c4ab5df04..7595142f3fc5 100644 --- a/include/linux/dm-io.h +++ b/include/linux/dm-io.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2003 Sistina Software * Copyright (C) 2004 - 2008 Red Hat, Inc. All rights reserved. @@ -26,7 +27,7 @@ struct page_list { struct page *page; }; -typedef void (*io_notify_fn)(unsigned long error, void *context); +typedef void (*io_notify_fn)(unsigned int long error, void *context); enum dm_io_mem_type { DM_IO_PAGE_LIST,/* Page list */ @@ -38,7 +39,7 @@ enum dm_io_mem_type { struct dm_io_memory { enum dm_io_mem_type type; - unsigned offset; + unsigned int offset; union { struct page_list *pl; @@ -78,8 +79,8 @@ void dm_io_client_destroy(struct dm_io_client *client); * Each bit in the optional 'sync_error_bits' bitset indicates whether an * error occurred doing io to the corresponding region. */ -int dm_io(struct dm_io_request *io_req, unsigned num_regions, - struct dm_io_region *region, unsigned long *sync_error_bits); +int dm_io(struct dm_io_request *io_req, unsigned int num_regions, + struct dm_io_region *region, unsigned int long *sync_error_bits); #endif /* __KERNEL__ */ #endif /* _LINUX_DM_IO_H */ diff --git a/include/linux/dm-kcopyd.h b/include/linux/dm-kcopyd.h index c1707ee5b540..51fb1af0b63e 100644 --- a/include/linux/dm-kcopyd.h +++ b/include/linux/dm-kcopyd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2001 - 2003 Sistina Software * Copyright (C) 2004 - 2008 Red Hat, Inc. All rights reserved. @@ -23,11 +24,11 @@ #define DM_KCOPYD_WRITE_SEQ 2 struct dm_kcopyd_throttle { - unsigned throttle; - unsigned num_io_jobs; - unsigned io_period; - unsigned total_period; - unsigned last_jiffies; + unsigned int throttle; + unsigned int num_io_jobs; + unsigned int io_period; + unsigned int total_period; + unsigned int last_jiffies; }; /* @@ -60,12 +61,12 @@ void dm_kcopyd_client_flush(struct dm_kcopyd_client *kc); * read_err is a boolean, * write_err is a bitset, with 1 bit for each destination region */ -typedef void (*dm_kcopyd_notify_fn)(int read_err, unsigned long write_err, +typedef void (*dm_kcopyd_notify_fn)(int read_err, unsigned int long write_err, void *context); void dm_kcopyd_copy(struct dm_kcopyd_client *kc, struct dm_io_region *from, - unsigned num_dests, struct dm_io_region *dests, - unsigned flags, dm_kcopyd_notify_fn fn, void *context); + unsigned int num_dests, struct dm_io_region *dests, + unsigned int flags, dm_kcopyd_notify_fn fn, void *context); /* * Prepare a callback and submit it via the kcopyd thread. @@ -80,11 +81,11 @@ void dm_kcopyd_copy(struct dm_kcopyd_client *kc, struct dm_io_region *from, */ void *dm_kcopyd_prepare_callback(struct dm_kcopyd_client *kc, dm_kcopyd_notify_fn fn, void *context); -void dm_kcopyd_do_callback(void *job, int read_err, unsigned long write_err); +void dm_kcopyd_do_callback(void *job, int read_err, unsigned int long write_err); void dm_kcopyd_zero(struct dm_kcopyd_client *kc, - unsigned num_dests, struct dm_io_region *dests, - unsigned flags, dm_kcopyd_notify_fn fn, void *context); + unsigned int num_dests, struct dm_io_region *dests, + unsigned int flags, dm_kcopyd_notify_fn fn, void *context); #endif /* __KERNEL__ */ #endif /* _LINUX_DM_KCOPYD_H */ diff --git a/include/linux/dm-region-hash.h b/include/linux/dm-region-hash.h index 9e2a7a401df5..3079ed93dd2d 100644 --- a/include/linux/dm-region-hash.h +++ b/include/linux/dm-region-hash.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2003 Sistina Software Limited. * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. @@ -12,9 +13,11 @@ #include <linux/dm-dirty-log.h> -/*----------------------------------------------------------------- +/* + *---------------------------------------------------------------- * Region hash - *----------------------------------------------------------------*/ + *---------------------------------------------------------------- + */ struct dm_region_hash; struct dm_region; @@ -37,7 +40,7 @@ struct dm_region_hash *dm_region_hash_create( struct bio_list *bios), void (*wakeup_workers)(void *context), void (*wakeup_all_recovery_waiters)(void *context), - sector_t target_begin, unsigned max_recovery, + sector_t target_begin, unsigned int max_recovery, struct dm_dirty_log *log, uint32_t region_size, region_t nr_regions); void dm_region_hash_destroy(struct dm_region_hash *rh); diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 6fa8d4e29719..3f31baa3293f 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -356,7 +356,7 @@ struct dma_buf { */ const char *name; - /** @name_lock: Spinlock to protect name acces for read access. */ + /** @name_lock: Spinlock to protect name access for read access. */ spinlock_t name_lock; /** @@ -393,7 +393,7 @@ struct dma_buf { * anything the userspace API considers write access. * * - Drivers may just always add a write fence, since that only - * causes unecessarily synchronization, but no correctness issues. + * causes unnecessary synchronization, but no correctness issues. * * - Some drivers only expose a synchronous userspace API with no * pipelining across drivers. These do not set any fences for their diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index d678afeb8a13..41bf4bdb117a 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -90,7 +90,7 @@ static inline const struct dma_map_ops *get_dma_ops(struct device *dev) { if (dev->dma_ops) return dev->dma_ops; - return get_arch_dma_ops(dev->bus); + return get_arch_dma_ops(); } static inline void set_dma_ops(struct device *dev, diff --git a/include/linux/dma/amd_xdma.h b/include/linux/dma/amd_xdma.h new file mode 100644 index 000000000000..ceba69ed7cb4 --- /dev/null +++ b/include/linux/dma/amd_xdma.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2022, Advanced Micro Devices, Inc. + */ + +#ifndef _DMAENGINE_AMD_XDMA_H +#define _DMAENGINE_AMD_XDMA_H + +#include <linux/interrupt.h> +#include <linux/platform_device.h> + +int xdma_enable_user_irq(struct platform_device *pdev, u32 irq_num); +void xdma_disable_user_irq(struct platform_device *pdev, u32 irq_num); +int xdma_get_user_irq(struct platform_device *pdev, u32 user_irq_index); + +#endif /* _DMAENGINE_AMD_XDMA_H */ diff --git a/include/linux/dma/edma.h b/include/linux/dma/edma.h index 7d8062e9c544..d2638d9259dc 100644 --- a/include/linux/dma/edma.h +++ b/include/linux/dma/edma.h @@ -18,13 +18,31 @@ struct dw_edma; struct dw_edma_region { - phys_addr_t paddr; - void __iomem *vaddr; + u64 paddr; + union { + void *mem; + void __iomem *io; + } vaddr; size_t sz; }; +/** + * struct dw_edma_core_ops - platform-specific eDMA methods + * @irq_vector: Get IRQ number of the passed eDMA channel. Note the + * method accepts the channel id in the end-to-end + * numbering with the eDMA write channels being placed + * first in the row. + * @pci_address: Get PCIe bus address corresponding to the passed CPU + * address. Note there is no need in specifying this + * function if the address translation is performed by + * the DW PCIe RP/EP controller with the DW eDMA device in + * subject and DMA_BYPASS isn't set for all the outbound + * iATU windows. That will be done by the controller + * automatically. + */ struct dw_edma_core_ops { int (*irq_vector)(struct device *dev, unsigned int nr); + u64 (*pci_address)(struct device *dev, phys_addr_t cpu_addr); }; enum dw_edma_map_format { @@ -61,7 +79,6 @@ enum dw_edma_chip_flags { */ struct dw_edma_chip { struct device *dev; - int id; int nr_irqs; const struct dw_edma_core_ops *ops; u32 flags; @@ -84,7 +101,7 @@ struct dw_edma_chip { }; /* Export to the platform drivers */ -#if IS_ENABLED(CONFIG_DW_EDMA) +#if IS_REACHABLE(CONFIG_DW_EDMA) int dw_edma_probe(struct dw_edma_chip *chip); int dw_edma_remove(struct dw_edma_chip *chip); #else diff --git a/include/linux/dma/imx-dma.h b/include/linux/dma/imx-dma.h index f487a4fa103a..cfec5f946e23 100644 --- a/include/linux/dma/imx-dma.h +++ b/include/linux/dma/imx-dma.h @@ -40,6 +40,7 @@ enum sdma_peripheral_type { IMX_DMATYPE_ASRC_SP, /* Shared ASRC */ IMX_DMATYPE_SAI, /* SAI */ IMX_DMATYPE_MULTI_SAI, /* MULTI FIFOs For Audio */ + IMX_DMATYPE_HDMI, /* HDMI Audio */ }; enum imx_dma_prio { diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index c923f4e60f24..c3656e590213 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -394,7 +394,7 @@ enum dma_slave_buswidth { * should be read (RX), if the source is memory this argument is * ignored. * @dst_addr: this is the physical address where DMA slave data - * should be written (TX), if the source is memory this argument + * should be written (TX), if the destination is memory this argument * is ignored. * @src_addr_width: this is the width in bytes of the source (RX) * register where DMA data shall be read. If the source @@ -773,6 +773,7 @@ struct dma_filter { /** * struct dma_device - info on the entity supplying DMA services + * @ref: reference is taken and put every time a channel is allocated or freed * @chancnt: how many DMA channels are supported * @privatecnt: how many DMA channels are requested by dma_request_channel * @channels: the list of struct dma_chan @@ -789,6 +790,7 @@ struct dma_filter { * @dev_id: unique device ID * @dev: struct device reference for dma mapping api * @owner: owner module (automatically set based on the provided dev) + * @chan_ida: unique channel ID * @src_addr_widths: bit mask of src addr widths the device supports * Width is specified in bytes, e.g. for a device supporting * a width of 4 the mask should have BIT(4) set. @@ -802,6 +804,7 @@ struct dma_filter { * @max_sg_burst: max number of SG list entries executed in a single burst * DMA tansaction with no software intervention for reinitialization. * Zero value means unlimited number of entries. + * @descriptor_reuse: a submitted transfer can be resubmitted after completion * @residue_granularity: granularity of the transfer residue reported * by tx_status * @device_alloc_chan_resources: allocate resources and return the @@ -839,7 +842,6 @@ struct dma_filter { * struct with auxiliary transfer status information, otherwise the call * will just return a simple status code * @device_issue_pending: push pending transactions to hardware - * @descriptor_reuse: a submitted transfer can be resubmitted after completion * @device_release: called sometime atfer dma_async_device_unregister() is * called and there are no further references to this structure. This * must be implemented to free resources however many existing drivers @@ -847,6 +849,7 @@ struct dma_filter { * @dbg_summary_show: optional routine to show contents in debugfs; default code * will be used when this is omitted, but custom code can show extra, * controller specific information. + * @dbg_dev_root: the root folder in debugfs for this device */ struct dma_device { struct kref ref; @@ -855,7 +858,7 @@ struct dma_device { struct list_head channels; struct list_head global_node; struct dma_filter filter; - dma_cap_mask_t cap_mask; + dma_cap_mask_t cap_mask; enum dma_desc_metadata_mode desc_metadata_modes; unsigned short max_xor; unsigned short max_pq; @@ -924,10 +927,8 @@ struct dma_device { struct dma_chan *chan, dma_addr_t dst, u64 data, unsigned long flags); - void (*device_caps)(struct dma_chan *chan, - struct dma_slave_caps *caps); - int (*device_config)(struct dma_chan *chan, - struct dma_slave_config *config); + void (*device_caps)(struct dma_chan *chan, struct dma_slave_caps *caps); + int (*device_config)(struct dma_chan *chan, struct dma_slave_config *config); int (*device_pause)(struct dma_chan *chan); int (*device_resume)(struct dma_chan *chan); int (*device_terminate_all)(struct dma_chan *chan); diff --git a/include/linux/dmar.h b/include/linux/dmar.h index d81a51978d01..725d5e6acec0 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -39,6 +39,7 @@ struct dmar_drhd_unit { struct list_head list; /* list of drhd units */ struct acpi_dmar_header *hdr; /* ACPI header */ u64 reg_base_addr; /* register base address*/ + unsigned long reg_size; /* size of register set */ struct dmar_dev_scope *devices;/* target device array */ int devices_cnt; /* target device count */ u16 segment; /* PCI domain */ diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 5755537b51b1..5468a2399d48 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -38,13 +38,6 @@ #endif -extern const char *drbd_buildtag(void); -#define REL_VERSION "8.4.11" -#define API_VERSION 1 -#define PRO_VERSION_MIN 86 -#define PRO_VERSION_MAX 101 - - enum drbd_io_error_p { EP_PASS_ON, /* FIXME should the better be named "Ignore"? */ EP_CALL_HELPER, diff --git a/include/linux/drbd_config.h b/include/linux/drbd_config.h new file mode 100644 index 000000000000..d215365c6bb1 --- /dev/null +++ b/include/linux/drbd_config.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * drbd_config.h + * DRBD's compile time configuration. + */ + +#ifndef DRBD_CONFIG_H +#define DRBD_CONFIG_H + +extern const char *drbd_buildtag(void); + +#define REL_VERSION "8.4.11" +#define PRO_VERSION_MIN 86 +#define PRO_VERSION_MAX 101 + +#endif diff --git a/include/linux/drbd_genl_api.h b/include/linux/drbd_genl_api.h index bd62efc29002..70682c058027 100644 --- a/include/linux/drbd_genl_api.h +++ b/include/linux/drbd_genl_api.h @@ -47,7 +47,7 @@ enum drbd_state_info_bcast_reason { #undef linux #include <linux/drbd.h> -#define GENL_MAGIC_VERSION API_VERSION +#define GENL_MAGIC_VERSION 1 #define GENL_MAGIC_FAMILY drbd #define GENL_MAGIC_FAMILY_HDRSZ sizeof(struct drbd_genlmsghdr) #define GENL_MAGIC_INCLUDE_FILE <linux/drbd_genl.h> diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 9e33f7038bea..5b042fb427e9 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0-only */ /* drbd_limits.h This file is part of DRBD by Philipp Reisner and Lars Ellenberg. @@ -16,123 +16,123 @@ #define DEBUG_RANGE_CHECK 0 -#define DRBD_MINOR_COUNT_MIN 1 -#define DRBD_MINOR_COUNT_MAX 255 -#define DRBD_MINOR_COUNT_DEF 32 +#define DRBD_MINOR_COUNT_MIN 1U +#define DRBD_MINOR_COUNT_MAX 255U +#define DRBD_MINOR_COUNT_DEF 32U #define DRBD_MINOR_COUNT_SCALE '1' -#define DRBD_VOLUME_MAX 65535 +#define DRBD_VOLUME_MAX 65534U -#define DRBD_DIALOG_REFRESH_MIN 0 -#define DRBD_DIALOG_REFRESH_MAX 600 +#define DRBD_DIALOG_REFRESH_MIN 0U +#define DRBD_DIALOG_REFRESH_MAX 600U #define DRBD_DIALOG_REFRESH_SCALE '1' /* valid port number */ -#define DRBD_PORT_MIN 1 -#define DRBD_PORT_MAX 0xffff +#define DRBD_PORT_MIN 1U +#define DRBD_PORT_MAX 0xffffU #define DRBD_PORT_SCALE '1' /* startup { */ /* if you want more than 3.4 days, disable */ -#define DRBD_WFC_TIMEOUT_MIN 0 -#define DRBD_WFC_TIMEOUT_MAX 300000 -#define DRBD_WFC_TIMEOUT_DEF 0 +#define DRBD_WFC_TIMEOUT_MIN 0U +#define DRBD_WFC_TIMEOUT_MAX 300000U +#define DRBD_WFC_TIMEOUT_DEF 0U #define DRBD_WFC_TIMEOUT_SCALE '1' -#define DRBD_DEGR_WFC_TIMEOUT_MIN 0 -#define DRBD_DEGR_WFC_TIMEOUT_MAX 300000 -#define DRBD_DEGR_WFC_TIMEOUT_DEF 0 +#define DRBD_DEGR_WFC_TIMEOUT_MIN 0U +#define DRBD_DEGR_WFC_TIMEOUT_MAX 300000U +#define DRBD_DEGR_WFC_TIMEOUT_DEF 0U #define DRBD_DEGR_WFC_TIMEOUT_SCALE '1' -#define DRBD_OUTDATED_WFC_TIMEOUT_MIN 0 -#define DRBD_OUTDATED_WFC_TIMEOUT_MAX 300000 -#define DRBD_OUTDATED_WFC_TIMEOUT_DEF 0 +#define DRBD_OUTDATED_WFC_TIMEOUT_MIN 0U +#define DRBD_OUTDATED_WFC_TIMEOUT_MAX 300000U +#define DRBD_OUTDATED_WFC_TIMEOUT_DEF 0U #define DRBD_OUTDATED_WFC_TIMEOUT_SCALE '1' /* }*/ /* net { */ /* timeout, unit centi seconds * more than one minute timeout is not useful */ -#define DRBD_TIMEOUT_MIN 1 -#define DRBD_TIMEOUT_MAX 600 -#define DRBD_TIMEOUT_DEF 60 /* 6 seconds */ +#define DRBD_TIMEOUT_MIN 1U +#define DRBD_TIMEOUT_MAX 600U +#define DRBD_TIMEOUT_DEF 60U /* 6 seconds */ #define DRBD_TIMEOUT_SCALE '1' /* If backing disk takes longer than disk_timeout, mark the disk as failed */ -#define DRBD_DISK_TIMEOUT_MIN 0 /* 0 = disabled */ -#define DRBD_DISK_TIMEOUT_MAX 6000 /* 10 Minutes */ -#define DRBD_DISK_TIMEOUT_DEF 0 /* disabled */ +#define DRBD_DISK_TIMEOUT_MIN 0U /* 0 = disabled */ +#define DRBD_DISK_TIMEOUT_MAX 6000U /* 10 Minutes */ +#define DRBD_DISK_TIMEOUT_DEF 0U /* disabled */ #define DRBD_DISK_TIMEOUT_SCALE '1' /* active connection retries when C_WF_CONNECTION */ -#define DRBD_CONNECT_INT_MIN 1 -#define DRBD_CONNECT_INT_MAX 120 -#define DRBD_CONNECT_INT_DEF 10 /* seconds */ +#define DRBD_CONNECT_INT_MIN 1U +#define DRBD_CONNECT_INT_MAX 120U +#define DRBD_CONNECT_INT_DEF 10U /* seconds */ #define DRBD_CONNECT_INT_SCALE '1' /* keep-alive probes when idle */ -#define DRBD_PING_INT_MIN 1 -#define DRBD_PING_INT_MAX 120 -#define DRBD_PING_INT_DEF 10 +#define DRBD_PING_INT_MIN 1U +#define DRBD_PING_INT_MAX 120U +#define DRBD_PING_INT_DEF 10U #define DRBD_PING_INT_SCALE '1' /* timeout for the ping packets.*/ -#define DRBD_PING_TIMEO_MIN 1 -#define DRBD_PING_TIMEO_MAX 300 -#define DRBD_PING_TIMEO_DEF 5 +#define DRBD_PING_TIMEO_MIN 1U +#define DRBD_PING_TIMEO_MAX 300U +#define DRBD_PING_TIMEO_DEF 5U #define DRBD_PING_TIMEO_SCALE '1' /* max number of write requests between write barriers */ -#define DRBD_MAX_EPOCH_SIZE_MIN 1 -#define DRBD_MAX_EPOCH_SIZE_MAX 20000 -#define DRBD_MAX_EPOCH_SIZE_DEF 2048 +#define DRBD_MAX_EPOCH_SIZE_MIN 1U +#define DRBD_MAX_EPOCH_SIZE_MAX 20000U +#define DRBD_MAX_EPOCH_SIZE_DEF 2048U #define DRBD_MAX_EPOCH_SIZE_SCALE '1' /* I don't think that a tcp send buffer of more than 10M is useful */ -#define DRBD_SNDBUF_SIZE_MIN 0 -#define DRBD_SNDBUF_SIZE_MAX (10<<20) -#define DRBD_SNDBUF_SIZE_DEF 0 +#define DRBD_SNDBUF_SIZE_MIN 0U +#define DRBD_SNDBUF_SIZE_MAX (10U<<20) +#define DRBD_SNDBUF_SIZE_DEF 0U #define DRBD_SNDBUF_SIZE_SCALE '1' -#define DRBD_RCVBUF_SIZE_MIN 0 -#define DRBD_RCVBUF_SIZE_MAX (10<<20) -#define DRBD_RCVBUF_SIZE_DEF 0 +#define DRBD_RCVBUF_SIZE_MIN 0U +#define DRBD_RCVBUF_SIZE_MAX (10U<<20) +#define DRBD_RCVBUF_SIZE_DEF 0U #define DRBD_RCVBUF_SIZE_SCALE '1' /* @4k PageSize -> 128kB - 512MB */ -#define DRBD_MAX_BUFFERS_MIN 32 -#define DRBD_MAX_BUFFERS_MAX 131072 -#define DRBD_MAX_BUFFERS_DEF 2048 +#define DRBD_MAX_BUFFERS_MIN 32U +#define DRBD_MAX_BUFFERS_MAX 131072U +#define DRBD_MAX_BUFFERS_DEF 2048U #define DRBD_MAX_BUFFERS_SCALE '1' /* @4k PageSize -> 4kB - 512MB */ -#define DRBD_UNPLUG_WATERMARK_MIN 1 -#define DRBD_UNPLUG_WATERMARK_MAX 131072 +#define DRBD_UNPLUG_WATERMARK_MIN 1U +#define DRBD_UNPLUG_WATERMARK_MAX 131072U #define DRBD_UNPLUG_WATERMARK_DEF (DRBD_MAX_BUFFERS_DEF/16) #define DRBD_UNPLUG_WATERMARK_SCALE '1' /* 0 is disabled. * 200 should be more than enough even for very short timeouts */ -#define DRBD_KO_COUNT_MIN 0 -#define DRBD_KO_COUNT_MAX 200 -#define DRBD_KO_COUNT_DEF 7 +#define DRBD_KO_COUNT_MIN 0U +#define DRBD_KO_COUNT_MAX 200U +#define DRBD_KO_COUNT_DEF 7U #define DRBD_KO_COUNT_SCALE '1' /* } */ /* syncer { */ /* FIXME allow rate to be zero? */ -#define DRBD_RESYNC_RATE_MIN 1 +#define DRBD_RESYNC_RATE_MIN 1U /* channel bonding 10 GbE, or other hardware */ #define DRBD_RESYNC_RATE_MAX (4 << 20) -#define DRBD_RESYNC_RATE_DEF 250 +#define DRBD_RESYNC_RATE_DEF 250U #define DRBD_RESYNC_RATE_SCALE 'k' /* kilobytes */ -#define DRBD_AL_EXTENTS_MIN 67 +#define DRBD_AL_EXTENTS_MIN 67U /* we use u16 as "slot number", (u16)~0 is "FREE". * If you use >= 292 kB on-disk ring buffer, * this is the maximum you can use: */ -#define DRBD_AL_EXTENTS_MAX 0xfffe -#define DRBD_AL_EXTENTS_DEF 1237 +#define DRBD_AL_EXTENTS_MAX 0xfffeU +#define DRBD_AL_EXTENTS_DEF 1237U #define DRBD_AL_EXTENTS_SCALE '1' #define DRBD_MINOR_NUMBER_MIN -1 @@ -147,9 +147,9 @@ * the upper limit with 64bit kernel, enough ram and flexible meta data * is 1 PiB, currently. */ /* DRBD_MAX_SECTORS */ -#define DRBD_DISK_SIZE_MIN 0 -#define DRBD_DISK_SIZE_MAX (1 * (2LLU << 40)) -#define DRBD_DISK_SIZE_DEF 0 /* = disabled = no user size... */ +#define DRBD_DISK_SIZE_MIN 0LLU +#define DRBD_DISK_SIZE_MAX (1LLU * (2LLU << 40)) +#define DRBD_DISK_SIZE_DEF 0LLU /* = disabled = no user size... */ #define DRBD_DISK_SIZE_SCALE 's' /* sectors */ #define DRBD_ON_IO_ERROR_DEF EP_DETACH @@ -162,39 +162,39 @@ #define DRBD_ON_CONGESTION_DEF OC_BLOCK #define DRBD_READ_BALANCING_DEF RB_PREFER_LOCAL -#define DRBD_MAX_BIO_BVECS_MIN 0 -#define DRBD_MAX_BIO_BVECS_MAX 128 -#define DRBD_MAX_BIO_BVECS_DEF 0 +#define DRBD_MAX_BIO_BVECS_MIN 0U +#define DRBD_MAX_BIO_BVECS_MAX 128U +#define DRBD_MAX_BIO_BVECS_DEF 0U #define DRBD_MAX_BIO_BVECS_SCALE '1' -#define DRBD_C_PLAN_AHEAD_MIN 0 -#define DRBD_C_PLAN_AHEAD_MAX 300 -#define DRBD_C_PLAN_AHEAD_DEF 20 +#define DRBD_C_PLAN_AHEAD_MIN 0U +#define DRBD_C_PLAN_AHEAD_MAX 300U +#define DRBD_C_PLAN_AHEAD_DEF 20U #define DRBD_C_PLAN_AHEAD_SCALE '1' -#define DRBD_C_DELAY_TARGET_MIN 1 -#define DRBD_C_DELAY_TARGET_MAX 100 -#define DRBD_C_DELAY_TARGET_DEF 10 +#define DRBD_C_DELAY_TARGET_MIN 1U +#define DRBD_C_DELAY_TARGET_MAX 100U +#define DRBD_C_DELAY_TARGET_DEF 10U #define DRBD_C_DELAY_TARGET_SCALE '1' -#define DRBD_C_FILL_TARGET_MIN 0 -#define DRBD_C_FILL_TARGET_MAX (1<<20) /* 500MByte in sec */ -#define DRBD_C_FILL_TARGET_DEF 100 /* Try to place 50KiB in socket send buffer during resync */ +#define DRBD_C_FILL_TARGET_MIN 0U +#define DRBD_C_FILL_TARGET_MAX (1U<<20) /* 500MByte in sec */ +#define DRBD_C_FILL_TARGET_DEF 100U /* Try to place 50KiB in socket send buffer during resync */ #define DRBD_C_FILL_TARGET_SCALE 's' /* sectors */ -#define DRBD_C_MAX_RATE_MIN 250 -#define DRBD_C_MAX_RATE_MAX (4 << 20) -#define DRBD_C_MAX_RATE_DEF 102400 +#define DRBD_C_MAX_RATE_MIN 250U +#define DRBD_C_MAX_RATE_MAX (4U << 20) +#define DRBD_C_MAX_RATE_DEF 102400U #define DRBD_C_MAX_RATE_SCALE 'k' /* kilobytes */ -#define DRBD_C_MIN_RATE_MIN 0 -#define DRBD_C_MIN_RATE_MAX (4 << 20) -#define DRBD_C_MIN_RATE_DEF 250 +#define DRBD_C_MIN_RATE_MIN 0U +#define DRBD_C_MIN_RATE_MAX (4U << 20) +#define DRBD_C_MIN_RATE_DEF 250U #define DRBD_C_MIN_RATE_SCALE 'k' /* kilobytes */ -#define DRBD_CONG_FILL_MIN 0 -#define DRBD_CONG_FILL_MAX (10<<21) /* 10GByte in sectors */ -#define DRBD_CONG_FILL_DEF 0 +#define DRBD_CONG_FILL_MIN 0U +#define DRBD_CONG_FILL_MAX (10U<<21) /* 10GByte in sectors */ +#define DRBD_CONG_FILL_DEF 0U #define DRBD_CONG_FILL_SCALE 's' /* sectors */ #define DRBD_CONG_EXTENTS_MIN DRBD_AL_EXTENTS_MIN @@ -204,48 +204,48 @@ #define DRBD_PROTOCOL_DEF DRBD_PROT_C -#define DRBD_DISK_BARRIER_DEF 0 -#define DRBD_DISK_FLUSHES_DEF 1 -#define DRBD_DISK_DRAIN_DEF 1 -#define DRBD_MD_FLUSHES_DEF 1 -#define DRBD_TCP_CORK_DEF 1 -#define DRBD_AL_UPDATES_DEF 1 +#define DRBD_DISK_BARRIER_DEF 0U +#define DRBD_DISK_FLUSHES_DEF 1U +#define DRBD_DISK_DRAIN_DEF 1U +#define DRBD_MD_FLUSHES_DEF 1U +#define DRBD_TCP_CORK_DEF 1U +#define DRBD_AL_UPDATES_DEF 1U /* We used to ignore the discard_zeroes_data setting. * To not change established (and expected) behaviour, * by default assume that, for discard_zeroes_data=0, * we can make that an effective discard_zeroes_data=1, * if we only explicitly zero-out unaligned partial chunks. */ -#define DRBD_DISCARD_ZEROES_IF_ALIGNED_DEF 1 +#define DRBD_DISCARD_ZEROES_IF_ALIGNED_DEF 1U /* Some backends pretend to support WRITE SAME, * but fail such requests when they are actually submitted. * This is to tell DRBD to not even try. */ -#define DRBD_DISABLE_WRITE_SAME_DEF 0 +#define DRBD_DISABLE_WRITE_SAME_DEF 0U -#define DRBD_ALLOW_TWO_PRIMARIES_DEF 0 -#define DRBD_ALWAYS_ASBP_DEF 0 -#define DRBD_USE_RLE_DEF 1 -#define DRBD_CSUMS_AFTER_CRASH_ONLY_DEF 0 +#define DRBD_ALLOW_TWO_PRIMARIES_DEF 0U +#define DRBD_ALWAYS_ASBP_DEF 0U +#define DRBD_USE_RLE_DEF 1U +#define DRBD_CSUMS_AFTER_CRASH_ONLY_DEF 0U -#define DRBD_AL_STRIPES_MIN 1 -#define DRBD_AL_STRIPES_MAX 1024 -#define DRBD_AL_STRIPES_DEF 1 +#define DRBD_AL_STRIPES_MIN 1U +#define DRBD_AL_STRIPES_MAX 1024U +#define DRBD_AL_STRIPES_DEF 1U #define DRBD_AL_STRIPES_SCALE '1' -#define DRBD_AL_STRIPE_SIZE_MIN 4 -#define DRBD_AL_STRIPE_SIZE_MAX 16777216 -#define DRBD_AL_STRIPE_SIZE_DEF 32 +#define DRBD_AL_STRIPE_SIZE_MIN 4U +#define DRBD_AL_STRIPE_SIZE_MAX 16777216U +#define DRBD_AL_STRIPE_SIZE_DEF 32U #define DRBD_AL_STRIPE_SIZE_SCALE 'k' /* kilobytes */ -#define DRBD_SOCKET_CHECK_TIMEO_MIN 0 +#define DRBD_SOCKET_CHECK_TIMEO_MIN 0U #define DRBD_SOCKET_CHECK_TIMEO_MAX DRBD_PING_TIMEO_MAX -#define DRBD_SOCKET_CHECK_TIMEO_DEF 0 +#define DRBD_SOCKET_CHECK_TIMEO_DEF 0U #define DRBD_SOCKET_CHECK_TIMEO_SCALE '1' -#define DRBD_RS_DISCARD_GRANULARITY_MIN 0 -#define DRBD_RS_DISCARD_GRANULARITY_MAX (1<<20) /* 1MiByte */ -#define DRBD_RS_DISCARD_GRANULARITY_DEF 0 /* disabled by default */ +#define DRBD_RS_DISCARD_GRANULARITY_MIN 0U +#define DRBD_RS_DISCARD_GRANULARITY_MAX (1U<<20) /* 1MiByte */ +#define DRBD_RS_DISCARD_GRANULARITY_DEF 0U /* disabled by default */ #define DRBD_RS_DISCARD_GRANULARITY_SCALE '1' /* bytes */ #endif diff --git a/include/linux/dsa/ksz_common.h b/include/linux/dsa/ksz_common.h new file mode 100644 index 000000000000..576a99ca698d --- /dev/null +++ b/include/linux/dsa/ksz_common.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Microchip switch tag common header + * + * Copyright (C) 2022 Microchip Technology Inc. + */ + +#ifndef _NET_DSA_KSZ_COMMON_H_ +#define _NET_DSA_KSZ_COMMON_H_ + +#include <net/dsa.h> + +/* All time stamps from the KSZ consist of 2 bits for seconds and 30 bits for + * nanoseconds. This is NOT the same as 32 bits for nanoseconds. + */ +#define KSZ_TSTAMP_SEC_MASK GENMASK(31, 30) +#define KSZ_TSTAMP_NSEC_MASK GENMASK(29, 0) + +static inline ktime_t ksz_decode_tstamp(u32 tstamp) +{ + u64 ns = FIELD_GET(KSZ_TSTAMP_SEC_MASK, tstamp) * NSEC_PER_SEC + + FIELD_GET(KSZ_TSTAMP_NSEC_MASK, tstamp); + + return ns_to_ktime(ns); +} + +struct ksz_deferred_xmit_work { + struct dsa_port *dp; + struct sk_buff *skb; + struct kthread_work work; +}; + +struct ksz_tagger_data { + void (*xmit_work_fn)(struct kthread_work *work); + void (*hwtstamp_set_state)(struct dsa_switch *ds, bool on); +}; + +struct ksz_skb_cb { + struct sk_buff *clone; + unsigned int ptp_type; + bool update_correction; + u32 tstamp; +}; + +#define KSZ_SKB_CB(skb) \ + ((struct ksz_skb_cb *)((skb)->cb)) + +static inline struct ksz_tagger_data * +ksz_tagger_data(struct dsa_switch *ds) +{ + return ds->tagger_data; +} + +#endif /* _NET_DSA_KSZ_COMMON_H_ */ diff --git a/include/linux/efi.h b/include/linux/efi.h index 98598bd1d2fa..04a733f0ba95 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -391,6 +391,7 @@ void efi_native_runtime_setup(void); #define EFI_RT_PROPERTIES_TABLE_GUID EFI_GUID(0xeb66918a, 0x7eef, 0x402a, 0x84, 0x2e, 0x93, 0x1d, 0x21, 0xc3, 0x8a, 0xe9) #define EFI_DXE_SERVICES_TABLE_GUID EFI_GUID(0x05ad34ba, 0x6f02, 0x4214, 0x95, 0x2e, 0x4d, 0xa0, 0x39, 0x8e, 0x2b, 0xb9) #define EFI_SMBIOS_PROTOCOL_GUID EFI_GUID(0x03583ff6, 0xcb36, 0x4940, 0x94, 0x7e, 0xb9, 0xb3, 0x9f, 0x4a, 0xfa, 0xf7) +#define EFI_MEMORY_ATTRIBUTE_PROTOCOL_GUID EFI_GUID(0xf4560cf6, 0x40ec, 0x4b4a, 0xa1, 0x92, 0xbf, 0x1d, 0x57, 0xd0, 0xb1, 0x89) #define EFI_IMAGE_SECURITY_DATABASE_GUID EFI_GUID(0xd719b2cb, 0x3d3a, 0x4596, 0xa3, 0xbc, 0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f) #define EFI_SHIM_LOCK_GUID EFI_GUID(0x605dab50, 0xe046, 0x4300, 0xab, 0xb6, 0x3d, 0xd8, 0x10, 0xdd, 0x8b, 0x23) @@ -583,11 +584,15 @@ typedef struct { #define EFI_INVALID_TABLE_ADDR (~0UL) +// BIT0 implies that Runtime code includes the forward control flow guard +// instruction, such as X86 CET-IBT or ARM BTI. +#define EFI_MEMORY_ATTRIBUTES_FLAGS_RT_FORWARD_CONTROL_FLOW_GUARD 0x1 + typedef struct { u32 version; u32 num_entries; u32 desc_size; - u32 reserved; + u32 flags; efi_memory_desc_t entry[0]; } efi_memory_attributes_table_t; @@ -721,8 +726,7 @@ static inline void efi_esrt_init(void) { } extern int efi_config_parse_tables(const efi_config_table_t *config_tables, int count, const efi_config_table_type_t *arch_tables); -extern int efi_systab_check_header(const efi_table_hdr_t *systab_hdr, - int min_major_version); +extern int efi_systab_check_header(const efi_table_hdr_t *systab_hdr); extern void efi_systab_report_header(const efi_table_hdr_t *systab_hdr, unsigned long fw_vendor); extern u64 efi_get_iobase (void); @@ -732,6 +736,7 @@ extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size); extern int __init efi_uart_console_only (void); extern u64 efi_mem_desc_end(efi_memory_desc_t *md); extern int efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md); +extern int __efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md); extern void efi_mem_reserve(phys_addr_t addr, u64 size); extern int efi_mem_reserve_persistent(phys_addr_t addr, u64 size); extern void efi_initialize_iomem_resources(struct resource *code_resource, @@ -751,7 +756,7 @@ extern unsigned long efi_mem_attr_table; * argument in the page tables referred to by the * first argument. */ -typedef int (*efi_memattr_perm_setter)(struct mm_struct *, efi_memory_desc_t *); +typedef int (*efi_memattr_perm_setter)(struct mm_struct *, efi_memory_desc_t *, bool); extern int efi_memattr_init(void); extern int efi_memattr_apply_permissions(struct mm_struct *mm, @@ -1040,7 +1045,6 @@ struct efivar_operations { struct efivars { struct kset *kset; - struct kobject *kobject; const struct efivar_operations *ops; }; @@ -1054,12 +1058,16 @@ struct efivars { #define EFI_VAR_NAME_LEN 1024 int efivars_register(struct efivars *efivars, - const struct efivar_operations *ops, - struct kobject *kobject); + const struct efivar_operations *ops); int efivars_unregister(struct efivars *efivars); -struct kobject *efivars_kobject(void); -int efivar_supports_writes(void); +#ifdef CONFIG_EFI +bool efivar_is_available(void); +#else +static inline bool efivar_is_available(void) { return false; } +#endif + +bool efivar_supports_writes(void); int efivar_lock(void); int efivar_trylock(void); @@ -1319,4 +1327,14 @@ struct linux_efi_initrd { /* Header of a populated EFI secret area */ #define EFI_SECRET_TABLE_HEADER_GUID EFI_GUID(0x1e74f542, 0x71dd, 0x4d66, 0x96, 0x3e, 0xef, 0x42, 0x87, 0xff, 0x17, 0x3b) +bool xen_efi_config_table_is_usable(const efi_guid_t *guid, unsigned long table); + +static inline +bool efi_config_table_is_usable(const efi_guid_t *guid, unsigned long table) +{ + if (!IS_ENABLED(CONFIG_XEN_EFI)) + return true; + return xen_efi_config_table_is_usable(guid, table); +} + #endif /* _LINUX_EFI_H */ diff --git a/include/linux/error-injection.h b/include/linux/error-injection.h index 635a95caf29f..20e738f4eae8 100644 --- a/include/linux/error-injection.h +++ b/include/linux/error-injection.h @@ -3,6 +3,7 @@ #define _LINUX_ERROR_INJECTION_H #include <linux/compiler.h> +#include <linux/errno.h> #include <asm-generic/error-injection.h> #ifdef CONFIG_FUNCTION_ERROR_INJECTION @@ -19,7 +20,7 @@ static inline bool within_error_injection_list(unsigned long addr) static inline int get_injectable_error_type(unsigned long addr) { - return EI_ETYPE_NONE; + return -EOPNOTSUPP; } #endif diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h index a541f0c4f146..224645f17c33 100644 --- a/include/linux/etherdevice.h +++ b/include/linux/etherdevice.h @@ -508,6 +508,20 @@ static inline void eth_addr_inc(u8 *addr) } /** + * eth_addr_add() - Add (or subtract) an offset to/from the given MAC address. + * + * @offset: Offset to add. + * @addr: Pointer to a six-byte array containing Ethernet address to increment. + */ +static inline void eth_addr_add(u8 *addr, long offset) +{ + u64 u = ether_addr_to_u64(addr); + + u += offset; + u64_to_ether_addr(u, addr); +} + +/** * is_etherdev_addr - Tell if given Ethernet address belongs to the device. * @dev: Pointer to a device structure * @addr: Pointer to a six-byte array containing the Ethernet address diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index 9e0a76fc7de9..2792185dda22 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -15,6 +15,7 @@ #include <linux/bitmap.h> #include <linux/compat.h> +#include <linux/if_ether.h> #include <linux/netlink.h> #include <uapi/linux/ethtool.h> @@ -72,12 +73,14 @@ enum { * @rx_buf_len: Current length of buffers on the rx ring. * @tcp_data_split: Scatter packet headers and data to separate buffers * @tx_push: The flag of tx push mode + * @rx_push: The flag of rx push mode * @cqe_size: Size of TX/RX completion queue event */ struct kernel_ethtool_ringparam { u32 rx_buf_len; u8 tcp_data_split; u8 tx_push; + u8 rx_push; u32 cqe_size; }; @@ -86,11 +89,13 @@ struct kernel_ethtool_ringparam { * @ETHTOOL_RING_USE_RX_BUF_LEN: capture for setting rx_buf_len * @ETHTOOL_RING_USE_CQE_SIZE: capture for setting cqe_size * @ETHTOOL_RING_USE_TX_PUSH: capture for setting tx_push + * @ETHTOOL_RING_USE_RX_PUSH: capture for setting rx_push */ enum ethtool_supported_ring_param { ETHTOOL_RING_USE_RX_BUF_LEN = BIT(0), ETHTOOL_RING_USE_CQE_SIZE = BIT(1), ETHTOOL_RING_USE_TX_PUSH = BIT(2), + ETHTOOL_RING_USE_RX_PUSH = BIT(3), }; #define __ETH_RSS_HASH_BIT(bit) ((u32)1 << (bit)) @@ -106,11 +111,6 @@ enum ethtool_supported_ring_param { struct net_device; struct netlink_ext_ack; -/* Some generic methods drivers may use in their ethtool_ops */ -u32 ethtool_op_get_link(struct net_device *dev); -int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *eti); - - /* Link extended state and substate. */ struct ethtool_link_ext_state_info { enum ethtool_link_ext_state link_ext_state; @@ -217,6 +217,9 @@ __ethtool_get_link_ksettings(struct net_device *dev, struct kernel_ethtool_coalesce { u8 use_cqe_mode_tx; u8 use_cqe_mode_rx; + u32 tx_aggr_max_bytes; + u32 tx_aggr_max_frames; + u32 tx_aggr_time_usecs; }; /** @@ -260,7 +263,10 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, #define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21) #define ETHTOOL_COALESCE_USE_CQE_RX BIT(22) #define ETHTOOL_COALESCE_USE_CQE_TX BIT(23) -#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(23, 0) +#define ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES BIT(24) +#define ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES BIT(25) +#define ETHTOOL_COALESCE_TX_AGGR_TIME_USECS BIT(26) +#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(26, 0) #define ETHTOOL_COALESCE_USECS \ (ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS) @@ -288,6 +294,10 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL) #define ETHTOOL_COALESCE_USE_CQE \ (ETHTOOL_COALESCE_USE_CQE_RX | ETHTOOL_COALESCE_USE_CQE_TX) +#define ETHTOOL_COALESCE_TX_AGGR \ + (ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES | \ + ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES | \ + ETHTOOL_COALESCE_TX_AGGR_TIME_USECS) #define ETHTOOL_STAT_NOT_SET (~0ULL) @@ -301,48 +311,59 @@ static inline void ethtool_stats_init(u64 *stats, unsigned int n) * via a more targeted API. */ struct ethtool_eth_mac_stats { - u64 FramesTransmittedOK; - u64 SingleCollisionFrames; - u64 MultipleCollisionFrames; - u64 FramesReceivedOK; - u64 FrameCheckSequenceErrors; - u64 AlignmentErrors; - u64 OctetsTransmittedOK; - u64 FramesWithDeferredXmissions; - u64 LateCollisions; - u64 FramesAbortedDueToXSColls; - u64 FramesLostDueToIntMACXmitError; - u64 CarrierSenseErrors; - u64 OctetsReceivedOK; - u64 FramesLostDueToIntMACRcvError; - u64 MulticastFramesXmittedOK; - u64 BroadcastFramesXmittedOK; - u64 FramesWithExcessiveDeferral; - u64 MulticastFramesReceivedOK; - u64 BroadcastFramesReceivedOK; - u64 InRangeLengthErrors; - u64 OutOfRangeLengthField; - u64 FrameTooLongErrors; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 FramesTransmittedOK; + u64 SingleCollisionFrames; + u64 MultipleCollisionFrames; + u64 FramesReceivedOK; + u64 FrameCheckSequenceErrors; + u64 AlignmentErrors; + u64 OctetsTransmittedOK; + u64 FramesWithDeferredXmissions; + u64 LateCollisions; + u64 FramesAbortedDueToXSColls; + u64 FramesLostDueToIntMACXmitError; + u64 CarrierSenseErrors; + u64 OctetsReceivedOK; + u64 FramesLostDueToIntMACRcvError; + u64 MulticastFramesXmittedOK; + u64 BroadcastFramesXmittedOK; + u64 FramesWithExcessiveDeferral; + u64 MulticastFramesReceivedOK; + u64 BroadcastFramesReceivedOK; + u64 InRangeLengthErrors; + u64 OutOfRangeLengthField; + u64 FrameTooLongErrors; + ); }; /* Basic IEEE 802.3 PHY statistics (30.3.2.1.*), not otherwise exposed * via a more targeted API. */ struct ethtool_eth_phy_stats { - u64 SymbolErrorDuringCarrier; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 SymbolErrorDuringCarrier; + ); }; /* Basic IEEE 802.3 MAC Ctrl statistics (30.3.3.*), not otherwise exposed * via a more targeted API. */ struct ethtool_eth_ctrl_stats { - u64 MACControlFramesTransmitted; - u64 MACControlFramesReceived; - u64 UnsupportedOpcodesReceived; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 MACControlFramesTransmitted; + u64 MACControlFramesReceived; + u64 UnsupportedOpcodesReceived; + ); }; /** * struct ethtool_pause_stats - statistics for IEEE 802.3x pause frames + * @src: input field denoting whether stats should be queried from the eMAC or + * pMAC (if the MM layer is supported). To be ignored otherwise. * @tx_pause_frames: transmitted pause frame count. Reported to user space * as %ETHTOOL_A_PAUSE_STAT_TX_FRAMES. * @@ -356,8 +377,11 @@ struct ethtool_eth_ctrl_stats { * from the standard. */ struct ethtool_pause_stats { - u64 tx_pause_frames; - u64 rx_pause_frames; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 tx_pause_frames; + u64 rx_pause_frames; + ); }; #define ETHTOOL_MAX_LANES 8 @@ -407,6 +431,8 @@ struct ethtool_rmon_hist_range { /** * struct ethtool_rmon_stats - selected RMON (RFC 2819) statistics + * @src: input field denoting whether stats should be queried from the eMAC or + * pMAC (if the MM layer is supported). To be ignored otherwise. * @undersize_pkts: Equivalent to `etherStatsUndersizePkts` from the RFC. * @oversize_pkts: Equivalent to `etherStatsOversizePkts` from the RFC. * @fragments: Equivalent to `etherStatsFragments` from the RFC. @@ -422,13 +448,16 @@ struct ethtool_rmon_hist_range { * ranges is left to the driver. */ struct ethtool_rmon_stats { - u64 undersize_pkts; - u64 oversize_pkts; - u64 fragments; - u64 jabbers; + enum ethtool_mac_stats_src src; + struct_group(stats, + u64 undersize_pkts; + u64 oversize_pkts; + u64 fragments; + u64 jabbers; - u64 hist[ETHTOOL_RMON_HIST_MAX]; - u64 hist_tx[ETHTOOL_RMON_HIST_MAX]; + u64 hist[ETHTOOL_RMON_HIST_MAX]; + u64 hist_tx[ETHTOOL_RMON_HIST_MAX]; + ); }; #define ETH_MODULE_EEPROM_PAGE_LEN 128 @@ -468,6 +497,98 @@ struct ethtool_module_power_mode_params { }; /** + * struct ethtool_mm_state - 802.3 MAC merge layer state + * @verify_time: + * wait time between verification attempts in ms (according to clause + * 30.14.1.6 aMACMergeVerifyTime) + * @max_verify_time: + * maximum accepted value for the @verify_time variable in set requests + * @verify_status: + * state of the verification state machine of the MM layer (according to + * clause 30.14.1.2 aMACMergeStatusVerify) + * @tx_enabled: + * set if the MM layer is administratively enabled in the TX direction + * (according to clause 30.14.1.3 aMACMergeEnableTx) + * @tx_active: + * set if the MM layer is enabled in the TX direction, which makes FP + * possible (according to 30.14.1.5 aMACMergeStatusTx). This should be + * true if MM is enabled, and the verification status is either verified, + * or disabled. + * @pmac_enabled: + * set if the preemptible MAC is powered on and is able to receive + * preemptible packets and respond to verification frames. + * @verify_enabled: + * set if the Verify function of the MM layer (which sends SMD-V + * verification requests) is administratively enabled (regardless of + * whether it is currently in the ETHTOOL_MM_VERIFY_STATUS_DISABLED state + * or not), according to clause 30.14.1.4 aMACMergeVerifyDisableTx (but + * using positive rather than negative logic). The device should always + * respond to received SMD-V requests as long as @pmac_enabled is set. + * @tx_min_frag_size: + * the minimum size of non-final mPacket fragments that the link partner + * supports receiving, expressed in octets. Compared to the definition + * from clause 30.14.1.7 aMACMergeAddFragSize which is expressed in the + * range 0 to 3 (requiring a translation to the size in octets according + * to the formula 64 * (1 + addFragSize) - 4), a value in a continuous and + * unbounded range can be specified here. + * @rx_min_frag_size: + * the minimum size of non-final mPacket fragments that this device + * supports receiving, expressed in octets. + */ +struct ethtool_mm_state { + u32 verify_time; + u32 max_verify_time; + enum ethtool_mm_verify_status verify_status; + bool tx_enabled; + bool tx_active; + bool pmac_enabled; + bool verify_enabled; + u32 tx_min_frag_size; + u32 rx_min_frag_size; +}; + +/** + * struct ethtool_mm_cfg - 802.3 MAC merge layer configuration + * @verify_time: see struct ethtool_mm_state + * @verify_enabled: see struct ethtool_mm_state + * @tx_enabled: see struct ethtool_mm_state + * @pmac_enabled: see struct ethtool_mm_state + * @tx_min_frag_size: see struct ethtool_mm_state + */ +struct ethtool_mm_cfg { + u32 verify_time; + bool verify_enabled; + bool tx_enabled; + bool pmac_enabled; + u32 tx_min_frag_size; +}; + +/** + * struct ethtool_mm_stats - 802.3 MAC merge layer statistics + * @MACMergeFrameAssErrorCount: + * received MAC frames with reassembly errors + * @MACMergeFrameSmdErrorCount: + * received MAC frames/fragments rejected due to unknown or incorrect SMD + * @MACMergeFrameAssOkCount: + * received MAC frames that were successfully reassembled and passed up + * @MACMergeFragCountRx: + * number of additional correct SMD-C mPackets received due to preemption + * @MACMergeFragCountTx: + * number of additional mPackets sent due to preemption + * @MACMergeHoldCount: + * number of times the MM layer entered the HOLD state, which blocks + * transmission of preemptible traffic + */ +struct ethtool_mm_stats { + u64 MACMergeFrameAssErrorCount; + u64 MACMergeFrameSmdErrorCount; + u64 MACMergeFrameAssOkCount; + u64 MACMergeFragCountRx; + u64 MACMergeFragCountTx; + u64 MACMergeHoldCount; +}; + +/** * struct ethtool_ops - optional netdev operations * @cap_link_lanes_supported: indicates if the driver supports lanes * parameter. @@ -639,6 +760,9 @@ struct ethtool_module_power_mode_params { * plugged-in. * @set_module_power_mode: Set the power mode policy for the plug-in module * used by the network device. + * @get_mm: Query the 802.3 MAC Merge layer state. + * @set_mm: Set the 802.3 MAC Merge layer parameters. + * @get_mm_stats: Query the 802.3 MAC Merge layer statistics. * * All operations are optional (i.e. the function pointer may be set * to %NULL) and callers must take this into account. Callers must @@ -777,6 +901,10 @@ struct ethtool_ops { int (*set_module_power_mode)(struct net_device *dev, const struct ethtool_module_power_mode_params *params, struct netlink_ext_ack *extack); + int (*get_mm)(struct net_device *dev, struct ethtool_mm_state *state); + int (*set_mm)(struct net_device *dev, struct ethtool_mm_cfg *cfg, + struct netlink_ext_ack *extack); + void (*get_mm_stats)(struct net_device *dev, struct ethtool_mm_stats *stats); }; int ethtool_check_ops(const struct ethtool_ops *ops); @@ -802,12 +930,17 @@ int ethtool_virtdev_set_link_ksettings(struct net_device *dev, struct phy_device; struct phy_tdr_config; +struct phy_plca_cfg; +struct phy_plca_status; /** * struct ethtool_phy_ops - Optional PHY device options * @get_sset_count: Get number of strings that @get_strings will write. * @get_strings: Return a set of strings that describe the requested objects * @get_stats: Return extended statistics about the PHY device. + * @get_plca_cfg: Return PLCA configuration. + * @set_plca_cfg: Set PLCA configuration. + * @get_plca_status: Get PLCA configuration. * @start_cable_test: Start a cable test * @start_cable_test_tdr: Start a Time Domain Reflectometry cable test * @@ -819,6 +952,13 @@ struct ethtool_phy_ops { int (*get_strings)(struct phy_device *dev, u8 *data); int (*get_stats)(struct phy_device *dev, struct ethtool_stats *stats, u64 *data); + int (*get_plca_cfg)(struct phy_device *dev, + struct phy_plca_cfg *plca_cfg); + int (*set_plca_cfg)(struct phy_device *dev, + const struct phy_plca_cfg *plca_cfg, + struct netlink_ext_ack *extack); + int (*get_plca_status)(struct phy_device *dev, + struct phy_plca_status *plca_st); int (*start_cable_test)(struct phy_device *phydev, struct netlink_ext_ack *extack); int (*start_cable_test_tdr)(struct phy_device *phydev, @@ -851,6 +991,51 @@ ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, */ int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index); +/* Some generic methods drivers may use in their ethtool_ops */ +u32 ethtool_op_get_link(struct net_device *dev); +int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *eti); + +/** + * ethtool_mm_frag_size_add_to_min - Translate (standard) additional fragment + * size expressed as multiplier into (absolute) minimum fragment size + * value expressed in octets + * @val_add: Value of addFragSize multiplier + */ +static inline u32 ethtool_mm_frag_size_add_to_min(u32 val_add) +{ + return (ETH_ZLEN + ETH_FCS_LEN) * (1 + val_add) - ETH_FCS_LEN; +} + +/** + * ethtool_mm_frag_size_min_to_add - Translate (absolute) minimum fragment size + * expressed in octets into (standard) additional fragment size expressed + * as multiplier + * @val_min: Value of addFragSize variable in octets + * @val_add: Pointer where the standard addFragSize value is to be returned + * @extack: Netlink extended ack + * + * Translate a value in octets to one of 0, 1, 2, 3 according to the reverse + * application of the 802.3 formula 64 * (1 + addFragSize) - 4. To be called + * by drivers which do not support programming the minimum fragment size to a + * continuous range. Returns error on other fragment length values. + */ +static inline int ethtool_mm_frag_size_min_to_add(u32 val_min, u32 *val_add, + struct netlink_ext_ack *extack) +{ + u32 add_frag_size; + + for (add_frag_size = 0; add_frag_size < 4; add_frag_size++) { + if (ethtool_mm_frag_size_add_to_min(add_frag_size) == val_min) { + *val_add = add_frag_size; + return 0; + } + } + + NL_SET_ERR_MSG_MOD(extack, + "minFragSize required to be one of 60, 124, 188 or 252"); + return -EINVAL; +} + /** * ethtool_sprintf - Write formatted string to ethtool string data * @data: Pointer to start of string to update diff --git a/include/linux/ethtool_netlink.h b/include/linux/ethtool_netlink.h index aba348d58ff6..17003b385756 100644 --- a/include/linux/ethtool_netlink.h +++ b/include/linux/ethtool_netlink.h @@ -29,6 +29,17 @@ int ethnl_cable_test_amplitude(struct phy_device *phydev, u8 pair, s16 mV); int ethnl_cable_test_pulse(struct phy_device *phydev, u16 mV); int ethnl_cable_test_step(struct phy_device *phydev, u32 first, u32 last, u32 step); +void ethtool_aggregate_mac_stats(struct net_device *dev, + struct ethtool_eth_mac_stats *mac_stats); +void ethtool_aggregate_phy_stats(struct net_device *dev, + struct ethtool_eth_phy_stats *phy_stats); +void ethtool_aggregate_ctrl_stats(struct net_device *dev, + struct ethtool_eth_ctrl_stats *ctrl_stats); +void ethtool_aggregate_pause_stats(struct net_device *dev, + struct ethtool_pause_stats *pause_stats); +void ethtool_aggregate_rmon_stats(struct net_device *dev, + struct ethtool_rmon_stats *rmon_stats); + #else static inline int ethnl_cable_test_alloc(struct phy_device *phydev, u8 cmd) { @@ -70,5 +81,36 @@ static inline int ethnl_cable_test_step(struct phy_device *phydev, u32 first, { return -EOPNOTSUPP; } + +static inline void +ethtool_aggregate_mac_stats(struct net_device *dev, + struct ethtool_eth_mac_stats *mac_stats) +{ +} + +static inline void +ethtool_aggregate_phy_stats(struct net_device *dev, + struct ethtool_eth_phy_stats *phy_stats) +{ +} + +static inline void +ethtool_aggregate_ctrl_stats(struct net_device *dev, + struct ethtool_eth_ctrl_stats *ctrl_stats) +{ +} + +static inline void +ethtool_aggregate_pause_stats(struct net_device *dev, + struct ethtool_pause_stats *pause_stats) +{ +} + +static inline void +ethtool_aggregate_rmon_stats(struct net_device *dev, + struct ethtool_rmon_stats *rmon_stats) +{ +} + #endif /* IS_ENABLED(CONFIG_ETHTOOL_NETLINK) */ #endif /* _LINUX_ETHTOOL_NETLINK_H_ */ diff --git a/include/linux/evm.h b/include/linux/evm.h index 7a9ee2157f69..7dc1ee74169f 100644 --- a/include/linux/evm.h +++ b/include/linux/evm.h @@ -21,34 +21,34 @@ extern enum integrity_status evm_verifyxattr(struct dentry *dentry, void *xattr_value, size_t xattr_value_len, struct integrity_iint_cache *iint); -extern int evm_inode_setattr(struct user_namespace *mnt_userns, +extern int evm_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr); extern void evm_inode_post_setattr(struct dentry *dentry, int ia_valid); -extern int evm_inode_setxattr(struct user_namespace *mnt_userns, +extern int evm_inode_setxattr(struct mnt_idmap *idmap, struct dentry *dentry, const char *name, const void *value, size_t size); extern void evm_inode_post_setxattr(struct dentry *dentry, const char *xattr_name, const void *xattr_value, size_t xattr_value_len); -extern int evm_inode_removexattr(struct user_namespace *mnt_userns, +extern int evm_inode_removexattr(struct mnt_idmap *idmap, struct dentry *dentry, const char *xattr_name); extern void evm_inode_post_removexattr(struct dentry *dentry, const char *xattr_name); -static inline void evm_inode_post_remove_acl(struct user_namespace *mnt_userns, +static inline void evm_inode_post_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { evm_inode_post_removexattr(dentry, acl_name); } -extern int evm_inode_set_acl(struct user_namespace *mnt_userns, +extern int evm_inode_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name, struct posix_acl *kacl); -static inline int evm_inode_remove_acl(struct user_namespace *mnt_userns, +static inline int evm_inode_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { - return evm_inode_set_acl(mnt_userns, dentry, acl_name, NULL); + return evm_inode_set_acl(idmap, dentry, acl_name, NULL); } static inline void evm_inode_post_set_acl(struct dentry *dentry, const char *acl_name, @@ -90,7 +90,7 @@ static inline enum integrity_status evm_verifyxattr(struct dentry *dentry, } #endif -static inline int evm_inode_setattr(struct user_namespace *mnt_userns, +static inline int evm_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr) { return 0; @@ -101,7 +101,7 @@ static inline void evm_inode_post_setattr(struct dentry *dentry, int ia_valid) return; } -static inline int evm_inode_setxattr(struct user_namespace *mnt_userns, +static inline int evm_inode_setxattr(struct mnt_idmap *idmap, struct dentry *dentry, const char *name, const void *value, size_t size) { @@ -116,7 +116,7 @@ static inline void evm_inode_post_setxattr(struct dentry *dentry, return; } -static inline int evm_inode_removexattr(struct user_namespace *mnt_userns, +static inline int evm_inode_removexattr(struct mnt_idmap *idmap, struct dentry *dentry, const char *xattr_name) { @@ -129,21 +129,21 @@ static inline void evm_inode_post_removexattr(struct dentry *dentry, return; } -static inline void evm_inode_post_remove_acl(struct user_namespace *mnt_userns, +static inline void evm_inode_post_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { return; } -static inline int evm_inode_set_acl(struct user_namespace *mnt_userns, +static inline int evm_inode_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name, struct posix_acl *kacl) { return 0; } -static inline int evm_inode_remove_acl(struct user_namespace *mnt_userns, +static inline int evm_inode_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index fe848901fcc3..601700fedc91 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -131,7 +131,7 @@ struct fid { u32 parent_block; u32 parent_generation; } udf; - __u32 raw[0]; + DECLARE_FLEX_ARRAY(__u32, raw); }; }; @@ -213,7 +213,6 @@ struct export_operations { bool write, u32 *device_generation); int (*commit_blocks)(struct inode *inode, struct iomap *iomaps, int nr_iomaps, struct iattr *iattr); - u64 (*fetch_iversion)(struct inode *); #define EXPORT_OP_NOWCC (0x1) /* don't collect v3 wcc data */ #define EXPORT_OP_NOSUBTREECHK (0x2) /* no subtree checking */ #define EXPORT_OP_CLOSE_BEFORE_UNLINK (0x4) /* close files before unlink */ diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index ee0d75d9a302..1701f25117ea 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -315,7 +315,7 @@ struct f2fs_inode { __u8 i_log_cluster_size; /* log of cluster size */ __le16 i_compress_flag; /* compress flag */ /* 0 bit: chksum flag - * [10,15] bits: compress level + * [8,15] bits: compress level */ __le32 i_extra_end[0]; /* for attribute size calculation */ } __packed; diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h index 8ad743def6f3..4f1c4f603118 100644 --- a/include/linux/fanotify.h +++ b/include/linux/fanotify.h @@ -122,6 +122,11 @@ #define ALL_FANOTIFY_EVENT_BITS (FANOTIFY_OUTGOING_EVENTS | \ FANOTIFY_EVENT_FLAGS) +/* These masks check for invalid bits in permission responses. */ +#define FANOTIFY_RESPONSE_ACCESS (FAN_ALLOW | FAN_DENY) +#define FANOTIFY_RESPONSE_FLAGS (FAN_AUDIT | FAN_INFO) +#define FANOTIFY_RESPONSE_VALID_MASK (FANOTIFY_RESPONSE_ACCESS | FANOTIFY_RESPONSE_FLAGS) + /* Do not use these old uapi constants internally */ #undef FAN_ALL_CLASS_BITS #undef FAN_ALL_INIT_FLAGS diff --git a/include/linux/fb.h b/include/linux/fb.h index 73eb1f85ea8e..d8d20514ea05 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -215,7 +215,6 @@ struct fb_deferred_io { struct mutex lock; /* mutex that protects the pageref list */ struct list_head pagereflist; /* list of pagerefs for touched pages */ /* callback */ - void (*first_io)(struct fb_info *info); void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); }; #endif @@ -423,8 +422,6 @@ struct fb_tile_ops { */ #define FBINFO_MISC_ALWAYS_SETPAR 0x40000 -/* where the fb is a firmware driver, and can be replaced with a proper one */ -#define FBINFO_MISC_FIRMWARE 0x80000 /* * Host and GPU endianness differ. */ @@ -499,30 +496,10 @@ struct fb_info { void *fbcon_par; /* fbcon use-only private area */ /* From here on everything is device dependent */ void *par; - /* we need the PCI or similar aperture base/size not - smem_start/size as smem_start may just be an object - allocated inside the aperture so may not actually overlap */ - struct apertures_struct { - unsigned int count; - struct aperture { - resource_size_t base; - resource_size_t size; - } ranges[0]; - } *apertures; bool skip_vt_switch; /* no VT switch on suspend/resume required */ }; -static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { - struct apertures_struct *a; - - a = kzalloc(struct_size(a, ranges, max_num), GFP_KERNEL); - if (!a) - return NULL; - a->count = max_num; - return a; -} - #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT /* This will go away diff --git a/include/linux/fileattr.h b/include/linux/fileattr.h index 9e37e063ac69..47c05a9851d0 100644 --- a/include/linux/fileattr.h +++ b/include/linux/fileattr.h @@ -53,7 +53,7 @@ static inline bool fileattr_has_fsx(const struct fileattr *fa) } int vfs_fileattr_get(struct dentry *dentry, struct fileattr *fa); -int vfs_fileattr_set(struct user_namespace *mnt_userns, struct dentry *dentry, +int vfs_fileattr_set(struct mnt_idmap *idmap, struct dentry *dentry, struct fileattr *fa); #endif /* _LINUX_FILEATTR_H */ diff --git a/include/linux/filelock.h b/include/linux/filelock.h new file mode 100644 index 000000000000..efcdd1631d9b --- /dev/null +++ b/include/linux/filelock.h @@ -0,0 +1,439 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_FILELOCK_H +#define _LINUX_FILELOCK_H + +#include <linux/fs.h> + +#define FL_POSIX 1 +#define FL_FLOCK 2 +#define FL_DELEG 4 /* NFSv4 delegation */ +#define FL_ACCESS 8 /* not trying to lock, just looking */ +#define FL_EXISTS 16 /* when unlocking, test for existence */ +#define FL_LEASE 32 /* lease held on this file */ +#define FL_CLOSE 64 /* unlock on close */ +#define FL_SLEEP 128 /* A blocking lock */ +#define FL_DOWNGRADE_PENDING 256 /* Lease is being downgraded */ +#define FL_UNLOCK_PENDING 512 /* Lease is being broken */ +#define FL_OFDLCK 1024 /* lock is "owned" by struct file */ +#define FL_LAYOUT 2048 /* outstanding pNFS layout */ +#define FL_RECLAIM 4096 /* reclaiming from a reboot server */ + +#define FL_CLOSE_POSIX (FL_POSIX | FL_CLOSE) + +/* + * Special return value from posix_lock_file() and vfs_lock_file() for + * asynchronous locking. + */ +#define FILE_LOCK_DEFERRED 1 + +struct file_lock; + +struct file_lock_operations { + void (*fl_copy_lock)(struct file_lock *, struct file_lock *); + void (*fl_release_private)(struct file_lock *); +}; + +struct lock_manager_operations { + void *lm_mod_owner; + fl_owner_t (*lm_get_owner)(fl_owner_t); + void (*lm_put_owner)(fl_owner_t); + void (*lm_notify)(struct file_lock *); /* unblock callback */ + int (*lm_grant)(struct file_lock *, int); + bool (*lm_break)(struct file_lock *); + int (*lm_change)(struct file_lock *, int, struct list_head *); + void (*lm_setup)(struct file_lock *, void **); + bool (*lm_breaker_owns_lease)(struct file_lock *); + bool (*lm_lock_expirable)(struct file_lock *cfl); + void (*lm_expire_lock)(void); +}; + +struct lock_manager { + struct list_head list; + /* + * NFSv4 and up also want opens blocked during the grace period; + * NLM doesn't care: + */ + bool block_opens; +}; + +struct net; +void locks_start_grace(struct net *, struct lock_manager *); +void locks_end_grace(struct lock_manager *); +bool locks_in_grace(struct net *); +bool opens_in_grace(struct net *); + +/* + * struct file_lock has a union that some filesystems use to track + * their own private info. The NFS side of things is defined here: + */ +#include <linux/nfs_fs_i.h> + +/* + * struct file_lock represents a generic "file lock". It's used to represent + * POSIX byte range locks, BSD (flock) locks, and leases. It's important to + * note that the same struct is used to represent both a request for a lock and + * the lock itself, but the same object is never used for both. + * + * FIXME: should we create a separate "struct lock_request" to help distinguish + * these two uses? + * + * The varous i_flctx lists are ordered by: + * + * 1) lock owner + * 2) lock range start + * 3) lock range end + * + * Obviously, the last two criteria only matter for POSIX locks. + */ +struct file_lock { + struct file_lock *fl_blocker; /* The lock, that is blocking us */ + struct list_head fl_list; /* link into file_lock_context */ + struct hlist_node fl_link; /* node in global lists */ + struct list_head fl_blocked_requests; /* list of requests with + * ->fl_blocker pointing here + */ + struct list_head fl_blocked_member; /* node in + * ->fl_blocker->fl_blocked_requests + */ + fl_owner_t fl_owner; + unsigned int fl_flags; + unsigned char fl_type; + unsigned int fl_pid; + int fl_link_cpu; /* what cpu's list is this on? */ + wait_queue_head_t fl_wait; + struct file *fl_file; + loff_t fl_start; + loff_t fl_end; + + struct fasync_struct * fl_fasync; /* for lease break notifications */ + /* for lease breaks: */ + unsigned long fl_break_time; + unsigned long fl_downgrade_time; + + const struct file_lock_operations *fl_ops; /* Callbacks for filesystems */ + const struct lock_manager_operations *fl_lmops; /* Callbacks for lockmanagers */ + union { + struct nfs_lock_info nfs_fl; + struct nfs4_lock_info nfs4_fl; + struct { + struct list_head link; /* link in AFS vnode's pending_locks list */ + int state; /* state of grant or error if -ve */ + unsigned int debug_id; + } afs; + struct { + struct inode *inode; + } ceph; + } fl_u; +} __randomize_layout; + +struct file_lock_context { + spinlock_t flc_lock; + struct list_head flc_flock; + struct list_head flc_posix; + struct list_head flc_lease; +}; + +#ifdef CONFIG_FILE_LOCKING +int fcntl_getlk(struct file *, unsigned int, struct flock *); +int fcntl_setlk(unsigned int, struct file *, unsigned int, + struct flock *); + +#if BITS_PER_LONG == 32 +int fcntl_getlk64(struct file *, unsigned int, struct flock64 *); +int fcntl_setlk64(unsigned int, struct file *, unsigned int, + struct flock64 *); +#endif + +int fcntl_setlease(unsigned int fd, struct file *filp, long arg); +int fcntl_getlease(struct file *filp); + +/* fs/locks.c */ +void locks_free_lock_context(struct inode *inode); +void locks_free_lock(struct file_lock *fl); +void locks_init_lock(struct file_lock *); +struct file_lock * locks_alloc_lock(void); +void locks_copy_lock(struct file_lock *, struct file_lock *); +void locks_copy_conflock(struct file_lock *, struct file_lock *); +void locks_remove_posix(struct file *, fl_owner_t); +void locks_remove_file(struct file *); +void locks_release_private(struct file_lock *); +void posix_test_lock(struct file *, struct file_lock *); +int posix_lock_file(struct file *, struct file_lock *, struct file_lock *); +int locks_delete_block(struct file_lock *); +int vfs_test_lock(struct file *, struct file_lock *); +int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *); +int vfs_cancel_lock(struct file *filp, struct file_lock *fl); +bool vfs_inode_has_locks(struct inode *inode); +int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl); +int __break_lease(struct inode *inode, unsigned int flags, unsigned int type); +void lease_get_mtime(struct inode *, struct timespec64 *time); +int generic_setlease(struct file *, long, struct file_lock **, void **priv); +int vfs_setlease(struct file *, long, struct file_lock **, void **); +int lease_modify(struct file_lock *, int, struct list_head *); + +struct notifier_block; +int lease_register_notifier(struct notifier_block *); +void lease_unregister_notifier(struct notifier_block *); + +struct files_struct; +void show_fd_locks(struct seq_file *f, + struct file *filp, struct files_struct *files); +bool locks_owner_has_blockers(struct file_lock_context *flctx, + fl_owner_t owner); + +static inline struct file_lock_context * +locks_inode_context(const struct inode *inode) +{ + return smp_load_acquire(&inode->i_flctx); +} + +#else /* !CONFIG_FILE_LOCKING */ +static inline int fcntl_getlk(struct file *file, unsigned int cmd, + struct flock __user *user) +{ + return -EINVAL; +} + +static inline int fcntl_setlk(unsigned int fd, struct file *file, + unsigned int cmd, struct flock __user *user) +{ + return -EACCES; +} + +#if BITS_PER_LONG == 32 +static inline int fcntl_getlk64(struct file *file, unsigned int cmd, + struct flock64 *user) +{ + return -EINVAL; +} + +static inline int fcntl_setlk64(unsigned int fd, struct file *file, + unsigned int cmd, struct flock64 *user) +{ + return -EACCES; +} +#endif +static inline int fcntl_setlease(unsigned int fd, struct file *filp, long arg) +{ + return -EINVAL; +} + +static inline int fcntl_getlease(struct file *filp) +{ + return F_UNLCK; +} + +static inline void +locks_free_lock_context(struct inode *inode) +{ +} + +static inline void locks_init_lock(struct file_lock *fl) +{ + return; +} + +static inline void locks_copy_conflock(struct file_lock *new, struct file_lock *fl) +{ + return; +} + +static inline void locks_copy_lock(struct file_lock *new, struct file_lock *fl) +{ + return; +} + +static inline void locks_remove_posix(struct file *filp, fl_owner_t owner) +{ + return; +} + +static inline void locks_remove_file(struct file *filp) +{ + return; +} + +static inline void posix_test_lock(struct file *filp, struct file_lock *fl) +{ + return; +} + +static inline int posix_lock_file(struct file *filp, struct file_lock *fl, + struct file_lock *conflock) +{ + return -ENOLCK; +} + +static inline int locks_delete_block(struct file_lock *waiter) +{ + return -ENOENT; +} + +static inline int vfs_test_lock(struct file *filp, struct file_lock *fl) +{ + return 0; +} + +static inline int vfs_lock_file(struct file *filp, unsigned int cmd, + struct file_lock *fl, struct file_lock *conf) +{ + return -ENOLCK; +} + +static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl) +{ + return 0; +} + +static inline bool vfs_inode_has_locks(struct inode *inode) +{ + return false; +} + +static inline int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl) +{ + return -ENOLCK; +} + +static inline int __break_lease(struct inode *inode, unsigned int mode, unsigned int type) +{ + return 0; +} + +static inline void lease_get_mtime(struct inode *inode, + struct timespec64 *time) +{ + return; +} + +static inline int generic_setlease(struct file *filp, long arg, + struct file_lock **flp, void **priv) +{ + return -EINVAL; +} + +static inline int vfs_setlease(struct file *filp, long arg, + struct file_lock **lease, void **priv) +{ + return -EINVAL; +} + +static inline int lease_modify(struct file_lock *fl, int arg, + struct list_head *dispose) +{ + return -EINVAL; +} + +struct files_struct; +static inline void show_fd_locks(struct seq_file *f, + struct file *filp, struct files_struct *files) {} +static inline bool locks_owner_has_blockers(struct file_lock_context *flctx, + fl_owner_t owner) +{ + return false; +} + +static inline struct file_lock_context * +locks_inode_context(const struct inode *inode) +{ + return NULL; +} + +#endif /* !CONFIG_FILE_LOCKING */ + +static inline int locks_lock_file_wait(struct file *filp, struct file_lock *fl) +{ + return locks_lock_inode_wait(file_inode(filp), fl); +} + +#ifdef CONFIG_FILE_LOCKING +static inline int break_lease(struct inode *inode, unsigned int mode) +{ + /* + * Since this check is lockless, we must ensure that any refcounts + * taken are done before checking i_flctx->flc_lease. Otherwise, we + * could end up racing with tasks trying to set a new lease on this + * file. + */ + smp_mb(); + if (inode->i_flctx && !list_empty_careful(&inode->i_flctx->flc_lease)) + return __break_lease(inode, mode, FL_LEASE); + return 0; +} + +static inline int break_deleg(struct inode *inode, unsigned int mode) +{ + /* + * Since this check is lockless, we must ensure that any refcounts + * taken are done before checking i_flctx->flc_lease. Otherwise, we + * could end up racing with tasks trying to set a new lease on this + * file. + */ + smp_mb(); + if (inode->i_flctx && !list_empty_careful(&inode->i_flctx->flc_lease)) + return __break_lease(inode, mode, FL_DELEG); + return 0; +} + +static inline int try_break_deleg(struct inode *inode, struct inode **delegated_inode) +{ + int ret; + + ret = break_deleg(inode, O_WRONLY|O_NONBLOCK); + if (ret == -EWOULDBLOCK && delegated_inode) { + *delegated_inode = inode; + ihold(inode); + } + return ret; +} + +static inline int break_deleg_wait(struct inode **delegated_inode) +{ + int ret; + + ret = break_deleg(*delegated_inode, O_WRONLY); + iput(*delegated_inode); + *delegated_inode = NULL; + return ret; +} + +static inline int break_layout(struct inode *inode, bool wait) +{ + smp_mb(); + if (inode->i_flctx && !list_empty_careful(&inode->i_flctx->flc_lease)) + return __break_lease(inode, + wait ? O_WRONLY : O_WRONLY | O_NONBLOCK, + FL_LAYOUT); + return 0; +} + +#else /* !CONFIG_FILE_LOCKING */ +static inline int break_lease(struct inode *inode, unsigned int mode) +{ + return 0; +} + +static inline int break_deleg(struct inode *inode, unsigned int mode) +{ + return 0; +} + +static inline int try_break_deleg(struct inode *inode, struct inode **delegated_inode) +{ + return 0; +} + +static inline int break_deleg_wait(struct inode **delegated_inode) +{ + BUG(); + return 0; +} + +static inline int break_layout(struct inode *inode, bool wait) +{ + return 0; +} + +#endif /* CONFIG_FILE_LOCKING */ + +#endif /* _LINUX_FILELOCK_H */ diff --git a/include/linux/filter.h b/include/linux/filter.h index ccc4a4a58c72..1727898f1641 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -14,6 +14,7 @@ #include <linux/printk.h> #include <linux/workqueue.h> #include <linux/sched.h> +#include <linux/sched/clock.h> #include <linux/capability.h> #include <linux/set_memory.h> #include <linux/kallsyms.h> diff --git a/include/linux/find.h b/include/linux/find.h index ccaf61a0f5fd..4647864a5ffd 100644 --- a/include/linux/find.h +++ b/include/linux/find.h @@ -22,6 +22,9 @@ unsigned long __find_nth_and_bit(const unsigned long *addr1, const unsigned long unsigned long size, unsigned long n); unsigned long __find_nth_andnot_bit(const unsigned long *addr1, const unsigned long *addr2, unsigned long size, unsigned long n); +unsigned long __find_nth_and_andnot_bit(const unsigned long *addr1, const unsigned long *addr2, + const unsigned long *addr3, unsigned long size, + unsigned long n); extern unsigned long _find_first_and_bit(const unsigned long *addr1, const unsigned long *addr2, unsigned long size); extern unsigned long _find_first_zero_bit(const unsigned long *addr, unsigned long size); @@ -255,6 +258,36 @@ unsigned long find_nth_andnot_bit(const unsigned long *addr1, const unsigned lon return __find_nth_andnot_bit(addr1, addr2, size, n); } +/** + * find_nth_and_andnot_bit - find N'th set bit in 2 memory regions, + * excluding those set in 3rd region + * @addr1: The 1st address to start the search at + * @addr2: The 2nd address to start the search at + * @addr3: The 3rd address to start the search at + * @size: The maximum number of bits to search + * @n: The number of set bit, which position is needed, counting from 0 + * + * Returns the bit number of the N'th set bit. + * If no such, returns @size. + */ +static __always_inline +unsigned long find_nth_and_andnot_bit(const unsigned long *addr1, + const unsigned long *addr2, + const unsigned long *addr3, + unsigned long size, unsigned long n) +{ + if (n >= size) + return size; + + if (small_const_nbits(size)) { + unsigned long val = *addr1 & *addr2 & (~*addr3) & GENMASK(size - 1, 0); + + return val ? fns(val, n) : size; + } + + return __find_nth_and_andnot_bit(addr1, addr2, addr3, size, n); +} + #ifndef find_first_and_bit /** * find_first_and_bit - find the first set bit in both memory regions diff --git a/include/linux/firewire.h b/include/linux/firewire.h index 980019053e54..1716c01c4e54 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -208,10 +208,7 @@ struct fw_device { struct fw_attribute_group attribute_group; }; -static inline struct fw_device *fw_device(struct device *dev) -{ - return container_of(dev, struct fw_device, device); -} +#define fw_device(dev) container_of_const(dev, struct fw_device, device) static inline int fw_device_is_shutdown(struct fw_device *device) { @@ -229,10 +226,7 @@ struct fw_unit { struct fw_attribute_group attribute_group; }; -static inline struct fw_unit *fw_unit(struct device *dev) -{ - return container_of(dev, struct fw_unit, device); -} +#define fw_unit(dev) container_of_const(dev, struct fw_unit, device) static inline struct fw_unit *fw_unit_get(struct fw_unit *unit) { @@ -246,10 +240,7 @@ static inline void fw_unit_put(struct fw_unit *unit) put_device(&unit->device); } -static inline struct fw_device *fw_parent_device(struct fw_unit *unit) -{ - return fw_device(unit->device.parent); -} +#define fw_parent_device(unit) fw_device(unit->device.parent) struct ieee1394_device_id; @@ -278,9 +269,8 @@ typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode, * Otherwise there is a danger of recursion of inbound and outbound * transactions from and to the local node. * - * The callback is responsible that either fw_send_response() or kfree() - * is called on the @request, except for FCP registers for which the core - * takes care of that. + * The callback is responsible that fw_send_response() is called on the @request, except for FCP + * registers for which the core takes care of that. */ typedef void (*fw_address_callback_t)(struct fw_card *card, struct fw_request *request, diff --git a/include/linux/qcom_scm.h b/include/linux/firmware/qcom/qcom_scm.h index f8335644a01a..1e449a5d7f5c 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/firmware/qcom/qcom_scm.h @@ -9,6 +9,8 @@ #include <linux/types.h> #include <linux/cpumask.h> +#include <dt-bindings/firmware/qcom,scm.h> + #define QCOM_SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF)) #define QCOM_SCM_CPU_PWR_DOWN_L2_ON 0x0 #define QCOM_SCM_CPU_PWR_DOWN_L2_OFF 0x1 @@ -51,10 +53,6 @@ enum qcom_scm_ice_cipher { QCOM_SCM_ICE_CIPHER_AES_256_CBC = 4, }; -#define QCOM_SCM_VMID_HLOS 0x3 -#define QCOM_SCM_VMID_MSS_MSA 0xF -#define QCOM_SCM_VMID_WLAN 0x18 -#define QCOM_SCM_VMID_WLAN_CE 0x19 #define QCOM_SCM_PERM_READ 0x4 #define QCOM_SCM_PERM_WRITE 0x2 #define QCOM_SCM_PERM_EXEC 0x1 diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index b09f443d3ab9..0e4c70987e6a 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -79,6 +79,10 @@ #define EVENT_ERROR_PSM_ERR1 (0x28108000U) #define EVENT_ERROR_PSM_ERR2 (0x2810C000U) +/* ZynqMP SD tap delay tuning */ +#define SD_ITAPDLY 0xFF180314 +#define SD_OTAPDLYSEL 0xFF180318 + enum pm_api_cb_id { PM_INIT_SUSPEND_CB = 30, PM_ACKNOWLEDGE_CB = 31, diff --git a/include/linux/fortify-string.h b/include/linux/fortify-string.h index 7cad8bb031e9..c9de1f59ee80 100644 --- a/include/linux/fortify-string.h +++ b/include/linux/fortify-string.h @@ -90,10 +90,17 @@ extern char *__underlying_strncpy(char *p, const char *q, __kernel_size_t size) * size, rather than struct size), but there remain some stragglers using * type 0 that will be converted in the future. */ +#if __has_builtin(__builtin_dynamic_object_size) +#define POS __pass_dynamic_object_size(1) +#define POS0 __pass_dynamic_object_size(0) +#define __struct_size(p) __builtin_dynamic_object_size(p, 0) +#define __member_size(p) __builtin_dynamic_object_size(p, 1) +#else #define POS __pass_object_size(1) #define POS0 __pass_object_size(0) #define __struct_size(p) __builtin_object_size(p, 0) #define __member_size(p) __builtin_object_size(p, 1) +#endif #define __compiletime_lessthan(bounds, length) ( \ __builtin_constant_p((bounds) < (length)) && \ diff --git a/include/linux/fs.h b/include/linux/fs.h index c1769a2c5d70..c85916e9f7db 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -166,6 +166,8 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, /* File supports DIRECT IO */ #define FMODE_CAN_ODIRECT ((__force fmode_t)0x400000) +#define FMODE_NOREUSE ((__force fmode_t)0x800000) + /* File was opened by fanotify and shouldn't generate fanotify events */ #define FMODE_NONOTIFY ((__force fmode_t)0x4000000) @@ -1003,135 +1005,11 @@ static inline struct file *get_file(struct file *f) #define MAX_LFS_FILESIZE ((loff_t)LLONG_MAX) #endif -#define FL_POSIX 1 -#define FL_FLOCK 2 -#define FL_DELEG 4 /* NFSv4 delegation */ -#define FL_ACCESS 8 /* not trying to lock, just looking */ -#define FL_EXISTS 16 /* when unlocking, test for existence */ -#define FL_LEASE 32 /* lease held on this file */ -#define FL_CLOSE 64 /* unlock on close */ -#define FL_SLEEP 128 /* A blocking lock */ -#define FL_DOWNGRADE_PENDING 256 /* Lease is being downgraded */ -#define FL_UNLOCK_PENDING 512 /* Lease is being broken */ -#define FL_OFDLCK 1024 /* lock is "owned" by struct file */ -#define FL_LAYOUT 2048 /* outstanding pNFS layout */ -#define FL_RECLAIM 4096 /* reclaiming from a reboot server */ - -#define FL_CLOSE_POSIX (FL_POSIX | FL_CLOSE) - -/* - * Special return value from posix_lock_file() and vfs_lock_file() for - * asynchronous locking. - */ -#define FILE_LOCK_DEFERRED 1 - /* legacy typedef, should eventually be removed */ typedef void *fl_owner_t; struct file_lock; -struct file_lock_operations { - void (*fl_copy_lock)(struct file_lock *, struct file_lock *); - void (*fl_release_private)(struct file_lock *); -}; - -struct lock_manager_operations { - void *lm_mod_owner; - fl_owner_t (*lm_get_owner)(fl_owner_t); - void (*lm_put_owner)(fl_owner_t); - void (*lm_notify)(struct file_lock *); /* unblock callback */ - int (*lm_grant)(struct file_lock *, int); - bool (*lm_break)(struct file_lock *); - int (*lm_change)(struct file_lock *, int, struct list_head *); - void (*lm_setup)(struct file_lock *, void **); - bool (*lm_breaker_owns_lease)(struct file_lock *); - bool (*lm_lock_expirable)(struct file_lock *cfl); - void (*lm_expire_lock)(void); -}; - -struct lock_manager { - struct list_head list; - /* - * NFSv4 and up also want opens blocked during the grace period; - * NLM doesn't care: - */ - bool block_opens; -}; - -struct net; -void locks_start_grace(struct net *, struct lock_manager *); -void locks_end_grace(struct lock_manager *); -bool locks_in_grace(struct net *); -bool opens_in_grace(struct net *); - -/* that will die - we need it for nfs_lock_info */ -#include <linux/nfs_fs_i.h> - -/* - * struct file_lock represents a generic "file lock". It's used to represent - * POSIX byte range locks, BSD (flock) locks, and leases. It's important to - * note that the same struct is used to represent both a request for a lock and - * the lock itself, but the same object is never used for both. - * - * FIXME: should we create a separate "struct lock_request" to help distinguish - * these two uses? - * - * The varous i_flctx lists are ordered by: - * - * 1) lock owner - * 2) lock range start - * 3) lock range end - * - * Obviously, the last two criteria only matter for POSIX locks. - */ -struct file_lock { - struct file_lock *fl_blocker; /* The lock, that is blocking us */ - struct list_head fl_list; /* link into file_lock_context */ - struct hlist_node fl_link; /* node in global lists */ - struct list_head fl_blocked_requests; /* list of requests with - * ->fl_blocker pointing here - */ - struct list_head fl_blocked_member; /* node in - * ->fl_blocker->fl_blocked_requests - */ - fl_owner_t fl_owner; - unsigned int fl_flags; - unsigned char fl_type; - unsigned int fl_pid; - int fl_link_cpu; /* what cpu's list is this on? */ - wait_queue_head_t fl_wait; - struct file *fl_file; - loff_t fl_start; - loff_t fl_end; - - struct fasync_struct * fl_fasync; /* for lease break notifications */ - /* for lease breaks: */ - unsigned long fl_break_time; - unsigned long fl_downgrade_time; - - const struct file_lock_operations *fl_ops; /* Callbacks for filesystems */ - const struct lock_manager_operations *fl_lmops; /* Callbacks for lockmanagers */ - union { - struct nfs_lock_info nfs_fl; - struct nfs4_lock_info nfs4_fl; - struct { - struct list_head link; /* link in AFS vnode's pending_locks list */ - int state; /* state of grant or error if -ve */ - unsigned int debug_id; - } afs; - struct { - struct inode *inode; - } ceph; - } fl_u; -} __randomize_layout; - -struct file_lock_context { - spinlock_t flc_lock; - struct list_head flc_flock; - struct list_head flc_posix; - struct list_head flc_lease; -}; - /* The following constant reflects the upper bound of the file/locking space */ #ifndef OFFSET_MAX #define OFFSET_MAX type_max(loff_t) @@ -1140,216 +1018,6 @@ struct file_lock_context { extern void send_sigio(struct fown_struct *fown, int fd, int band); -#define locks_inode(f) file_inode(f) - -#ifdef CONFIG_FILE_LOCKING -extern int fcntl_getlk(struct file *, unsigned int, struct flock *); -extern int fcntl_setlk(unsigned int, struct file *, unsigned int, - struct flock *); - -#if BITS_PER_LONG == 32 -extern int fcntl_getlk64(struct file *, unsigned int, struct flock64 *); -extern int fcntl_setlk64(unsigned int, struct file *, unsigned int, - struct flock64 *); -#endif - -extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg); -extern int fcntl_getlease(struct file *filp); - -/* fs/locks.c */ -void locks_free_lock_context(struct inode *inode); -void locks_free_lock(struct file_lock *fl); -extern void locks_init_lock(struct file_lock *); -extern struct file_lock * locks_alloc_lock(void); -extern void locks_copy_lock(struct file_lock *, struct file_lock *); -extern void locks_copy_conflock(struct file_lock *, struct file_lock *); -extern void locks_remove_posix(struct file *, fl_owner_t); -extern void locks_remove_file(struct file *); -extern void locks_release_private(struct file_lock *); -extern void posix_test_lock(struct file *, struct file_lock *); -extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *); -extern int locks_delete_block(struct file_lock *); -extern int vfs_test_lock(struct file *, struct file_lock *); -extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *); -extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl); -bool vfs_inode_has_locks(struct inode *inode); -extern int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl); -extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type); -extern void lease_get_mtime(struct inode *, struct timespec64 *time); -extern int generic_setlease(struct file *, long, struct file_lock **, void **priv); -extern int vfs_setlease(struct file *, long, struct file_lock **, void **); -extern int lease_modify(struct file_lock *, int, struct list_head *); - -struct notifier_block; -extern int lease_register_notifier(struct notifier_block *); -extern void lease_unregister_notifier(struct notifier_block *); - -struct files_struct; -extern void show_fd_locks(struct seq_file *f, - struct file *filp, struct files_struct *files); -extern bool locks_owner_has_blockers(struct file_lock_context *flctx, - fl_owner_t owner); - -static inline struct file_lock_context * -locks_inode_context(const struct inode *inode) -{ - return smp_load_acquire(&inode->i_flctx); -} - -#else /* !CONFIG_FILE_LOCKING */ -static inline int fcntl_getlk(struct file *file, unsigned int cmd, - struct flock __user *user) -{ - return -EINVAL; -} - -static inline int fcntl_setlk(unsigned int fd, struct file *file, - unsigned int cmd, struct flock __user *user) -{ - return -EACCES; -} - -#if BITS_PER_LONG == 32 -static inline int fcntl_getlk64(struct file *file, unsigned int cmd, - struct flock64 *user) -{ - return -EINVAL; -} - -static inline int fcntl_setlk64(unsigned int fd, struct file *file, - unsigned int cmd, struct flock64 *user) -{ - return -EACCES; -} -#endif -static inline int fcntl_setlease(unsigned int fd, struct file *filp, long arg) -{ - return -EINVAL; -} - -static inline int fcntl_getlease(struct file *filp) -{ - return F_UNLCK; -} - -static inline void -locks_free_lock_context(struct inode *inode) -{ -} - -static inline void locks_init_lock(struct file_lock *fl) -{ - return; -} - -static inline void locks_copy_conflock(struct file_lock *new, struct file_lock *fl) -{ - return; -} - -static inline void locks_copy_lock(struct file_lock *new, struct file_lock *fl) -{ - return; -} - -static inline void locks_remove_posix(struct file *filp, fl_owner_t owner) -{ - return; -} - -static inline void locks_remove_file(struct file *filp) -{ - return; -} - -static inline void posix_test_lock(struct file *filp, struct file_lock *fl) -{ - return; -} - -static inline int posix_lock_file(struct file *filp, struct file_lock *fl, - struct file_lock *conflock) -{ - return -ENOLCK; -} - -static inline int locks_delete_block(struct file_lock *waiter) -{ - return -ENOENT; -} - -static inline int vfs_test_lock(struct file *filp, struct file_lock *fl) -{ - return 0; -} - -static inline int vfs_lock_file(struct file *filp, unsigned int cmd, - struct file_lock *fl, struct file_lock *conf) -{ - return -ENOLCK; -} - -static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl) -{ - return 0; -} - -static inline bool vfs_inode_has_locks(struct inode *inode) -{ - return false; -} - -static inline int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl) -{ - return -ENOLCK; -} - -static inline int __break_lease(struct inode *inode, unsigned int mode, unsigned int type) -{ - return 0; -} - -static inline void lease_get_mtime(struct inode *inode, - struct timespec64 *time) -{ - return; -} - -static inline int generic_setlease(struct file *filp, long arg, - struct file_lock **flp, void **priv) -{ - return -EINVAL; -} - -static inline int vfs_setlease(struct file *filp, long arg, - struct file_lock **lease, void **priv) -{ - return -EINVAL; -} - -static inline int lease_modify(struct file_lock *fl, int arg, - struct list_head *dispose) -{ - return -EINVAL; -} - -struct files_struct; -static inline void show_fd_locks(struct seq_file *f, - struct file *filp, struct files_struct *files) {} -static inline bool locks_owner_has_blockers(struct file_lock_context *flctx, - fl_owner_t owner) -{ - return false; -} - -static inline struct file_lock_context * -locks_inode_context(const struct inode *inode) -{ - return NULL; -} - -#endif /* !CONFIG_FILE_LOCKING */ - static inline struct inode *file_inode(const struct file *f) { return f->f_inode; @@ -1360,11 +1028,6 @@ static inline struct dentry *file_dentry(const struct file *file) return d_real(file->f_path.dentry, file_inode(file)); } -static inline int locks_lock_file_wait(struct file *filp, struct file_lock *fl) -{ - return locks_lock_inode_wait(locks_inode(filp), fl); -} - struct fasync_struct { rwlock_t fa_lock; int magic; @@ -1635,22 +1298,22 @@ static inline void i_gid_write(struct inode *inode, gid_t gid) } /** - * i_uid_into_vfsuid - map an inode's i_uid down into a mnt_userns - * @mnt_userns: user namespace of the mount the inode was found from + * i_uid_into_vfsuid - map an inode's i_uid down according to an idmapping + * @idmap: idmap of the mount the inode was found from * @inode: inode to map * - * Return: whe inode's i_uid mapped down according to @mnt_userns. + * Return: whe inode's i_uid mapped down according to @idmap. * If the inode's i_uid has no mapping INVALID_VFSUID is returned. */ -static inline vfsuid_t i_uid_into_vfsuid(struct user_namespace *mnt_userns, +static inline vfsuid_t i_uid_into_vfsuid(struct mnt_idmap *idmap, const struct inode *inode) { - return make_vfsuid(mnt_userns, i_user_ns(inode), inode->i_uid); + return make_vfsuid(idmap, i_user_ns(inode), inode->i_uid); } /** * i_uid_needs_update - check whether inode's i_uid needs to be updated - * @mnt_userns: user namespace of the mount the inode was found from + * @idmap: idmap of the mount the inode was found from * @attr: the new attributes of @inode * @inode: the inode to update * @@ -1659,50 +1322,50 @@ static inline vfsuid_t i_uid_into_vfsuid(struct user_namespace *mnt_userns, * * Return: true if @inode's i_uid field needs to be updated, false if not. */ -static inline bool i_uid_needs_update(struct user_namespace *mnt_userns, +static inline bool i_uid_needs_update(struct mnt_idmap *idmap, const struct iattr *attr, const struct inode *inode) { return ((attr->ia_valid & ATTR_UID) && !vfsuid_eq(attr->ia_vfsuid, - i_uid_into_vfsuid(mnt_userns, inode))); + i_uid_into_vfsuid(idmap, inode))); } /** * i_uid_update - update @inode's i_uid field - * @mnt_userns: user namespace of the mount the inode was found from + * @idmap: idmap of the mount the inode was found from * @attr: the new attributes of @inode * @inode: the inode to update * * Safely update @inode's i_uid field translating the vfsuid of any idmapped * mount into the filesystem kuid. */ -static inline void i_uid_update(struct user_namespace *mnt_userns, +static inline void i_uid_update(struct mnt_idmap *idmap, const struct iattr *attr, struct inode *inode) { if (attr->ia_valid & ATTR_UID) - inode->i_uid = from_vfsuid(mnt_userns, i_user_ns(inode), + inode->i_uid = from_vfsuid(idmap, i_user_ns(inode), attr->ia_vfsuid); } /** - * i_gid_into_vfsgid - map an inode's i_gid down into a mnt_userns - * @mnt_userns: user namespace of the mount the inode was found from + * i_gid_into_vfsgid - map an inode's i_gid down according to an idmapping + * @idmap: idmap of the mount the inode was found from * @inode: inode to map * - * Return: the inode's i_gid mapped down according to @mnt_userns. + * Return: the inode's i_gid mapped down according to @idmap. * If the inode's i_gid has no mapping INVALID_VFSGID is returned. */ -static inline vfsgid_t i_gid_into_vfsgid(struct user_namespace *mnt_userns, +static inline vfsgid_t i_gid_into_vfsgid(struct mnt_idmap *idmap, const struct inode *inode) { - return make_vfsgid(mnt_userns, i_user_ns(inode), inode->i_gid); + return make_vfsgid(idmap, i_user_ns(inode), inode->i_gid); } /** * i_gid_needs_update - check whether inode's i_gid needs to be updated - * @mnt_userns: user namespace of the mount the inode was found from + * @idmap: idmap of the mount the inode was found from * @attr: the new attributes of @inode * @inode: the inode to update * @@ -1711,83 +1374,83 @@ static inline vfsgid_t i_gid_into_vfsgid(struct user_namespace *mnt_userns, * * Return: true if @inode's i_gid field needs to be updated, false if not. */ -static inline bool i_gid_needs_update(struct user_namespace *mnt_userns, +static inline bool i_gid_needs_update(struct mnt_idmap *idmap, const struct iattr *attr, const struct inode *inode) { return ((attr->ia_valid & ATTR_GID) && !vfsgid_eq(attr->ia_vfsgid, - i_gid_into_vfsgid(mnt_userns, inode))); + i_gid_into_vfsgid(idmap, inode))); } /** * i_gid_update - update @inode's i_gid field - * @mnt_userns: user namespace of the mount the inode was found from + * @idmap: idmap of the mount the inode was found from * @attr: the new attributes of @inode * @inode: the inode to update * * Safely update @inode's i_gid field translating the vfsgid of any idmapped * mount into the filesystem kgid. */ -static inline void i_gid_update(struct user_namespace *mnt_userns, +static inline void i_gid_update(struct mnt_idmap *idmap, const struct iattr *attr, struct inode *inode) { if (attr->ia_valid & ATTR_GID) - inode->i_gid = from_vfsgid(mnt_userns, i_user_ns(inode), + inode->i_gid = from_vfsgid(idmap, i_user_ns(inode), attr->ia_vfsgid); } /** * inode_fsuid_set - initialize inode's i_uid field with callers fsuid * @inode: inode to initialize - * @mnt_userns: user namespace of the mount the inode was found from + * @idmap: idmap of the mount the inode was found from * * Initialize the i_uid field of @inode. If the inode was found/created via - * an idmapped mount map the caller's fsuid according to @mnt_users. + * an idmapped mount map the caller's fsuid according to @idmap. */ static inline void inode_fsuid_set(struct inode *inode, - struct user_namespace *mnt_userns) + struct mnt_idmap *idmap) { - inode->i_uid = mapped_fsuid(mnt_userns, i_user_ns(inode)); + inode->i_uid = mapped_fsuid(idmap, i_user_ns(inode)); } /** * inode_fsgid_set - initialize inode's i_gid field with callers fsgid * @inode: inode to initialize - * @mnt_userns: user namespace of the mount the inode was found from + * @idmap: idmap of the mount the inode was found from * * Initialize the i_gid field of @inode. If the inode was found/created via - * an idmapped mount map the caller's fsgid according to @mnt_users. + * an idmapped mount map the caller's fsgid according to @idmap. */ static inline void inode_fsgid_set(struct inode *inode, - struct user_namespace *mnt_userns) + struct mnt_idmap *idmap) { - inode->i_gid = mapped_fsgid(mnt_userns, i_user_ns(inode)); + inode->i_gid = mapped_fsgid(idmap, i_user_ns(inode)); } /** * fsuidgid_has_mapping() - check whether caller's fsuid/fsgid is mapped * @sb: the superblock we want a mapping in - * @mnt_userns: user namespace of the relevant mount + * @idmap: idmap of the relevant mount * * Check whether the caller's fsuid and fsgid have a valid mapping in the * s_user_ns of the superblock @sb. If the caller is on an idmapped mount map - * the caller's fsuid and fsgid according to the @mnt_userns first. + * the caller's fsuid and fsgid according to the @idmap first. * * Return: true if fsuid and fsgid is mapped, false if not. */ static inline bool fsuidgid_has_mapping(struct super_block *sb, - struct user_namespace *mnt_userns) + struct mnt_idmap *idmap) { struct user_namespace *fs_userns = sb->s_user_ns; kuid_t kuid; kgid_t kgid; - kuid = mapped_fsuid(mnt_userns, fs_userns); + kuid = mapped_fsuid(idmap, fs_userns); if (!uid_valid(kuid)) return false; - kgid = mapped_fsgid(mnt_userns, fs_userns); + kgid = mapped_fsgid(idmap, fs_userns); if (!gid_valid(kgid)) return false; return kuid_has_mapping(fs_userns, kuid) && @@ -1941,42 +1604,42 @@ static inline bool sb_start_intwrite_trylock(struct super_block *sb) return __sb_start_write_trylock(sb, SB_FREEZE_FS); } -bool inode_owner_or_capable(struct user_namespace *mnt_userns, +bool inode_owner_or_capable(struct mnt_idmap *idmap, const struct inode *inode); /* * VFS helper functions.. */ -int vfs_create(struct user_namespace *, struct inode *, +int vfs_create(struct mnt_idmap *, struct inode *, struct dentry *, umode_t, bool); -int vfs_mkdir(struct user_namespace *, struct inode *, +int vfs_mkdir(struct mnt_idmap *, struct inode *, struct dentry *, umode_t); -int vfs_mknod(struct user_namespace *, struct inode *, struct dentry *, +int vfs_mknod(struct mnt_idmap *, struct inode *, struct dentry *, umode_t, dev_t); -int vfs_symlink(struct user_namespace *, struct inode *, +int vfs_symlink(struct mnt_idmap *, struct inode *, struct dentry *, const char *); -int vfs_link(struct dentry *, struct user_namespace *, struct inode *, +int vfs_link(struct dentry *, struct mnt_idmap *, struct inode *, struct dentry *, struct inode **); -int vfs_rmdir(struct user_namespace *, struct inode *, struct dentry *); -int vfs_unlink(struct user_namespace *, struct inode *, struct dentry *, +int vfs_rmdir(struct mnt_idmap *, struct inode *, struct dentry *); +int vfs_unlink(struct mnt_idmap *, struct inode *, struct dentry *, struct inode **); /** * struct renamedata - contains all information required for renaming - * @old_mnt_userns: old user namespace of the mount the inode was found from + * @old_mnt_idmap: idmap of the old mount the inode was found from * @old_dir: parent of source * @old_dentry: source - * @new_mnt_userns: new user namespace of the mount the inode was found from + * @new_mnt_idmap: idmap of the new mount the inode was found from * @new_dir: parent of destination * @new_dentry: destination * @delegated_inode: returns an inode needing a delegation break * @flags: rename flags */ struct renamedata { - struct user_namespace *old_mnt_userns; + struct mnt_idmap *old_mnt_idmap; struct inode *old_dir; struct dentry *old_dentry; - struct user_namespace *new_mnt_userns; + struct mnt_idmap *new_mnt_idmap; struct inode *new_dir; struct dentry *new_dentry; struct inode **delegated_inode; @@ -1985,14 +1648,14 @@ struct renamedata { int vfs_rename(struct renamedata *); -static inline int vfs_whiteout(struct user_namespace *mnt_userns, +static inline int vfs_whiteout(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry) { - return vfs_mknod(mnt_userns, dir, dentry, S_IFCHR | WHITEOUT_MODE, + return vfs_mknod(idmap, dir, dentry, S_IFCHR | WHITEOUT_MODE, WHITEOUT_DEV); } -struct file *vfs_tmpfile_open(struct user_namespace *mnt_userns, +struct file *vfs_tmpfile_open(struct mnt_idmap *idmap, const struct path *parentpath, umode_t mode, int open_flag, const struct cred *cred); @@ -2016,10 +1679,10 @@ extern long compat_ptr_ioctl(struct file *file, unsigned int cmd, /* * VFS file helper functions. */ -void inode_init_owner(struct user_namespace *mnt_userns, struct inode *inode, +void inode_init_owner(struct mnt_idmap *idmap, struct inode *inode, const struct inode *dir, umode_t mode); extern bool may_open_dev(const struct path *path); -umode_t mode_strip_sgid(struct user_namespace *mnt_userns, +umode_t mode_strip_sgid(struct mnt_idmap *idmap, const struct inode *dir, umode_t mode); /* @@ -2137,27 +1800,26 @@ struct file_operations { struct inode_operations { struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); const char * (*get_link) (struct dentry *, struct inode *, struct delayed_call *); - int (*permission) (struct user_namespace *, struct inode *, int); + int (*permission) (struct mnt_idmap *, struct inode *, int); struct posix_acl * (*get_inode_acl)(struct inode *, int, bool); int (*readlink) (struct dentry *, char __user *,int); - int (*create) (struct user_namespace *, struct inode *,struct dentry *, + int (*create) (struct mnt_idmap *, struct inode *,struct dentry *, umode_t, bool); int (*link) (struct dentry *,struct inode *,struct dentry *); int (*unlink) (struct inode *,struct dentry *); - int (*symlink) (struct user_namespace *, struct inode *,struct dentry *, + int (*symlink) (struct mnt_idmap *, struct inode *,struct dentry *, const char *); - int (*mkdir) (struct user_namespace *, struct inode *,struct dentry *, + int (*mkdir) (struct mnt_idmap *, struct inode *,struct dentry *, umode_t); int (*rmdir) (struct inode *,struct dentry *); - int (*mknod) (struct user_namespace *, struct inode *,struct dentry *, + int (*mknod) (struct mnt_idmap *, struct inode *,struct dentry *, umode_t,dev_t); - int (*rename) (struct user_namespace *, struct inode *, struct dentry *, + int (*rename) (struct mnt_idmap *, struct inode *, struct dentry *, struct inode *, struct dentry *, unsigned int); - int (*setattr) (struct user_namespace *, struct dentry *, - struct iattr *); - int (*getattr) (struct user_namespace *, const struct path *, + int (*setattr) (struct mnt_idmap *, struct dentry *, struct iattr *); + int (*getattr) (struct mnt_idmap *, const struct path *, struct kstat *, u32, unsigned int); ssize_t (*listxattr) (struct dentry *, char *, size_t); int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, @@ -2166,13 +1828,13 @@ struct inode_operations { int (*atomic_open)(struct inode *, struct dentry *, struct file *, unsigned open_flag, umode_t create_mode); - int (*tmpfile) (struct user_namespace *, struct inode *, + int (*tmpfile) (struct mnt_idmap *, struct inode *, struct file *, umode_t); - struct posix_acl *(*get_acl)(struct user_namespace *, struct dentry *, + struct posix_acl *(*get_acl)(struct mnt_idmap *, struct dentry *, int); - int (*set_acl)(struct user_namespace *, struct dentry *, + int (*set_acl)(struct mnt_idmap *, struct dentry *, struct posix_acl *, int); - int (*fileattr_set)(struct user_namespace *mnt_userns, + int (*fileattr_set)(struct mnt_idmap *idmap, struct dentry *dentry, struct fileattr *fa); int (*fileattr_get)(struct dentry *dentry, struct fileattr *fa); } ____cacheline_aligned; @@ -2326,11 +1988,11 @@ static inline bool sb_rdonly(const struct super_block *sb) { return sb->s_flags #define IS_WHITEOUT(inode) (S_ISCHR(inode->i_mode) && \ (inode)->i_rdev == WHITEOUT_DEV) -static inline bool HAS_UNMAPPED_ID(struct user_namespace *mnt_userns, +static inline bool HAS_UNMAPPED_ID(struct mnt_idmap *idmap, struct inode *inode) { - return !vfsuid_valid(i_uid_into_vfsuid(mnt_userns, inode)) || - !vfsgid_valid(i_gid_into_vfsgid(mnt_userns, inode)); + return !vfsuid_valid(i_uid_into_vfsuid(idmap, inode)) || + !vfsgid_valid(i_gid_into_vfsgid(idmap, inode)); } static inline void init_sync_kiocb(struct kiocb *kiocb, struct file *filp) @@ -2624,96 +2286,6 @@ extern struct kobject *fs_kobj; #define MAX_RW_COUNT (INT_MAX & PAGE_MASK) -#ifdef CONFIG_FILE_LOCKING -static inline int break_lease(struct inode *inode, unsigned int mode) -{ - /* - * Since this check is lockless, we must ensure that any refcounts - * taken are done before checking i_flctx->flc_lease. Otherwise, we - * could end up racing with tasks trying to set a new lease on this - * file. - */ - smp_mb(); - if (inode->i_flctx && !list_empty_careful(&inode->i_flctx->flc_lease)) - return __break_lease(inode, mode, FL_LEASE); - return 0; -} - -static inline int break_deleg(struct inode *inode, unsigned int mode) -{ - /* - * Since this check is lockless, we must ensure that any refcounts - * taken are done before checking i_flctx->flc_lease. Otherwise, we - * could end up racing with tasks trying to set a new lease on this - * file. - */ - smp_mb(); - if (inode->i_flctx && !list_empty_careful(&inode->i_flctx->flc_lease)) - return __break_lease(inode, mode, FL_DELEG); - return 0; -} - -static inline int try_break_deleg(struct inode *inode, struct inode **delegated_inode) -{ - int ret; - - ret = break_deleg(inode, O_WRONLY|O_NONBLOCK); - if (ret == -EWOULDBLOCK && delegated_inode) { - *delegated_inode = inode; - ihold(inode); - } - return ret; -} - -static inline int break_deleg_wait(struct inode **delegated_inode) -{ - int ret; - - ret = break_deleg(*delegated_inode, O_WRONLY); - iput(*delegated_inode); - *delegated_inode = NULL; - return ret; -} - -static inline int break_layout(struct inode *inode, bool wait) -{ - smp_mb(); - if (inode->i_flctx && !list_empty_careful(&inode->i_flctx->flc_lease)) - return __break_lease(inode, - wait ? O_WRONLY : O_WRONLY | O_NONBLOCK, - FL_LAYOUT); - return 0; -} - -#else /* !CONFIG_FILE_LOCKING */ -static inline int break_lease(struct inode *inode, unsigned int mode) -{ - return 0; -} - -static inline int break_deleg(struct inode *inode, unsigned int mode) -{ - return 0; -} - -static inline int try_break_deleg(struct inode *inode, struct inode **delegated_inode) -{ - return 0; -} - -static inline int break_deleg_wait(struct inode **delegated_inode) -{ - BUG(); - return 0; -} - -static inline int break_layout(struct inode *inode, bool wait) -{ - return 0; -} - -#endif /* CONFIG_FILE_LOCKING */ - /* fs/open.c */ struct audit_names; struct filename { @@ -2725,11 +2297,6 @@ struct filename { }; static_assert(offsetof(struct filename, iname) % sizeof(long) == 0); -static inline struct user_namespace *file_mnt_user_ns(struct file *file) -{ - return mnt_user_ns(file->f_path.mnt); -} - static inline struct mnt_idmap *file_mnt_idmap(struct file *file) { return mnt_idmap(file->f_path.mnt); @@ -2749,7 +2316,7 @@ static inline bool is_idmapped_mnt(const struct vfsmount *mnt) } extern long vfs_truncate(const struct path *, loff_t); -int do_truncate(struct user_namespace *, struct dentry *, loff_t start, +int do_truncate(struct mnt_idmap *, struct dentry *, loff_t start, unsigned int time_attrs, struct file *filp); extern int vfs_fallocate(struct file *file, int mode, loff_t offset, loff_t len); @@ -2904,21 +2471,21 @@ static inline int bmap(struct inode *inode, sector_t *block) } #endif -int notify_change(struct user_namespace *, struct dentry *, +int notify_change(struct mnt_idmap *, struct dentry *, struct iattr *, struct inode **); -int inode_permission(struct user_namespace *, struct inode *, int); -int generic_permission(struct user_namespace *, struct inode *, int); +int inode_permission(struct mnt_idmap *, struct inode *, int); +int generic_permission(struct mnt_idmap *, struct inode *, int); static inline int file_permission(struct file *file, int mask) { - return inode_permission(file_mnt_user_ns(file), + return inode_permission(file_mnt_idmap(file), file_inode(file), mask); } static inline int path_permission(const struct path *path, int mask) { - return inode_permission(mnt_user_ns(path->mnt), + return inode_permission(mnt_idmap(path->mnt), d_inode(path->dentry), mask); } -int __check_sticky(struct user_namespace *mnt_userns, struct inode *dir, +int __check_sticky(struct mnt_idmap *idmap, struct inode *dir, struct inode *inode); static inline bool execute_ok(struct inode *inode) @@ -3106,7 +2673,7 @@ extern void __destroy_inode(struct inode *); extern struct inode *new_inode_pseudo(struct super_block *sb); extern struct inode *new_inode(struct super_block *sb); extern void free_inode_nonrcu(struct inode *inode); -extern int setattr_should_drop_suidgid(struct user_namespace *, struct inode *); +extern int setattr_should_drop_suidgid(struct mnt_idmap *, struct inode *); extern int file_remove_privs(struct file *); /* @@ -3163,6 +2730,12 @@ ssize_t vfs_iocb_iter_write(struct file *file, struct kiocb *iocb, struct iov_iter *iter); /* fs/splice.c */ +ssize_t filemap_splice_read(struct file *in, loff_t *ppos, + struct pipe_inode_info *pipe, + size_t len, unsigned int flags); +ssize_t direct_splice_read(struct file *in, loff_t *ppos, + struct pipe_inode_info *pipe, + size_t len, unsigned int flags); extern ssize_t generic_file_splice_read(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int); extern ssize_t iter_file_splice_write(struct pipe_inode_info *, @@ -3265,7 +2838,7 @@ extern void page_put_link(void *); extern int page_symlink(struct inode *inode, const char *symname, int len); extern const struct inode_operations page_symlink_inode_operations; extern void kfree_link(void *); -void generic_fillattr(struct user_namespace *, struct inode *, struct kstat *); +void generic_fillattr(struct mnt_idmap *, struct inode *, struct kstat *); void generic_fill_statx_attr(struct inode *inode, struct kstat *stat); extern int vfs_getattr_nosec(const struct path *, struct kstat *, u32, unsigned int); extern int vfs_getattr(const struct path *, struct kstat *, u32, unsigned int); @@ -3316,9 +2889,9 @@ extern int dcache_dir_open(struct inode *, struct file *); extern int dcache_dir_close(struct inode *, struct file *); extern loff_t dcache_dir_lseek(struct file *, loff_t, int); extern int dcache_readdir(struct file *, struct dir_context *); -extern int simple_setattr(struct user_namespace *, struct dentry *, +extern int simple_setattr(struct mnt_idmap *, struct dentry *, struct iattr *); -extern int simple_getattr(struct user_namespace *, const struct path *, +extern int simple_getattr(struct mnt_idmap *, const struct path *, struct kstat *, u32, unsigned int); extern int simple_statfs(struct dentry *, struct kstatfs *); extern int simple_open(struct inode *inode, struct file *file); @@ -3327,7 +2900,7 @@ extern int simple_unlink(struct inode *, struct dentry *); extern int simple_rmdir(struct inode *, struct dentry *); extern int simple_rename_exchange(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry); -extern int simple_rename(struct user_namespace *, struct inode *, +extern int simple_rename(struct mnt_idmap *, struct inode *, struct dentry *, struct inode *, struct dentry *, unsigned int); extern void simple_recursive_removal(struct dentry *, @@ -3369,11 +2942,11 @@ extern int generic_check_addressable(unsigned, u64); extern void generic_set_encrypted_ci_d_ops(struct dentry *dentry); -int may_setattr(struct user_namespace *mnt_userns, struct inode *inode, +int may_setattr(struct mnt_idmap *idmap, struct inode *inode, unsigned int ia_valid); -int setattr_prepare(struct user_namespace *, struct dentry *, struct iattr *); +int setattr_prepare(struct mnt_idmap *, struct dentry *, struct iattr *); extern int inode_newsize_ok(const struct inode *, loff_t offset); -void setattr_copy(struct user_namespace *, struct inode *inode, +void setattr_copy(struct mnt_idmap *, struct inode *inode, const struct iattr *attr); extern int file_update_time(struct file *file); @@ -3540,13 +3113,13 @@ static inline bool is_sxid(umode_t mode) return mode & (S_ISUID | S_ISGID); } -static inline int check_sticky(struct user_namespace *mnt_userns, +static inline int check_sticky(struct mnt_idmap *idmap, struct inode *dir, struct inode *inode) { if (!(dir->i_mode & S_ISVTX)) return 0; - return __check_sticky(mnt_userns, dir, inode); + return __check_sticky(idmap, dir, inode); } static inline void inode_has_no_xattr(struct inode *inode) diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h index 4f5f8a651213..e0a49c3125eb 100644 --- a/include/linux/fscrypt.h +++ b/include/linux/fscrypt.h @@ -257,8 +257,8 @@ int fscrypt_encrypt_block_inplace(const struct inode *inode, struct page *page, unsigned int len, unsigned int offs, u64 lblk_num, gfp_t gfp_flags); -int fscrypt_decrypt_pagecache_blocks(struct page *page, unsigned int len, - unsigned int offs); +int fscrypt_decrypt_pagecache_blocks(struct folio *folio, size_t len, + size_t offs); int fscrypt_decrypt_block_inplace(const struct inode *inode, struct page *page, unsigned int len, unsigned int offs, u64 lblk_num); @@ -309,8 +309,6 @@ fscrypt_free_dummy_policy(struct fscrypt_dummy_policy *dummy_policy) /* keyring.c */ void fscrypt_destroy_keyring(struct super_block *sb); int fscrypt_ioctl_add_key(struct file *filp, void __user *arg); -int fscrypt_add_test_dummy_key(struct super_block *sb, - const struct fscrypt_dummy_policy *dummy_policy); int fscrypt_ioctl_remove_key(struct file *filp, void __user *arg); int fscrypt_ioctl_remove_key_all_users(struct file *filp, void __user *arg); int fscrypt_ioctl_get_key_status(struct file *filp, void __user *arg); @@ -422,9 +420,8 @@ static inline int fscrypt_encrypt_block_inplace(const struct inode *inode, return -EOPNOTSUPP; } -static inline int fscrypt_decrypt_pagecache_blocks(struct page *page, - unsigned int len, - unsigned int offs) +static inline int fscrypt_decrypt_pagecache_blocks(struct folio *folio, + size_t len, size_t offs) { return -EOPNOTSUPP; } @@ -530,13 +527,6 @@ static inline int fscrypt_ioctl_add_key(struct file *filp, void __user *arg) return -EOPNOTSUPP; } -static inline int -fscrypt_add_test_dummy_key(struct super_block *sb, - const struct fscrypt_dummy_policy *dummy_policy) -{ - return 0; -} - static inline int fscrypt_ioctl_remove_key(struct file *filp, void __user *arg) { return -EOPNOTSUPP; diff --git a/include/linux/fsl/enetc_mdio.h b/include/linux/fsl/enetc_mdio.h index 2d9203314865..df25fffdc0ae 100644 --- a/include/linux/fsl/enetc_mdio.h +++ b/include/linux/fsl/enetc_mdio.h @@ -37,16 +37,27 @@ struct enetc_mdio_priv { #if IS_REACHABLE(CONFIG_FSL_ENETC_MDIO) -int enetc_mdio_read(struct mii_bus *bus, int phy_id, int regnum); -int enetc_mdio_write(struct mii_bus *bus, int phy_id, int regnum, u16 value); +int enetc_mdio_read_c22(struct mii_bus *bus, int phy_id, int regnum); +int enetc_mdio_write_c22(struct mii_bus *bus, int phy_id, int regnum, + u16 value); +int enetc_mdio_read_c45(struct mii_bus *bus, int phy_id, int devad, int regnum); +int enetc_mdio_write_c45(struct mii_bus *bus, int phy_id, int devad, int regnum, + u16 value); struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs); #else -static inline int enetc_mdio_read(struct mii_bus *bus, int phy_id, int regnum) +static inline int enetc_mdio_read_c22(struct mii_bus *bus, int phy_id, + int regnum) { return -EINVAL; } -static inline int enetc_mdio_write(struct mii_bus *bus, int phy_id, int regnum, - u16 value) +static inline int enetc_mdio_write_c22(struct mii_bus *bus, int phy_id, + int regnum, u16 value) +{ return -EINVAL; } +static inline int enetc_mdio_read_c45(struct mii_bus *bus, int phy_id, + int devad, int regnum) +{ return -EINVAL; } +static inline int enetc_mdio_write_c45(struct mii_bus *bus, int phy_id, + int devad, int regnum, u16 value) { return -EINVAL; } struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs) { return ERR_PTR(-EINVAL); } diff --git a/include/linux/fsl/ptp_qoriq.h b/include/linux/fsl/ptp_qoriq.h index 01acebe37fab..b301bf7199d3 100644 --- a/include/linux/fsl/ptp_qoriq.h +++ b/include/linux/fsl/ptp_qoriq.h @@ -149,6 +149,7 @@ struct ptp_qoriq { struct device *dev; bool extts_fifo_support; bool fiper3_support; + bool etsec; int irq; int phc_index; u32 tclk_period; /* nanoseconds */ diff --git a/include/linux/fsverity.h b/include/linux/fsverity.h index 40f14e5fed9d..119a3266791f 100644 --- a/include/linux/fsverity.h +++ b/include/linux/fsverity.h @@ -12,6 +12,7 @@ #define _LINUX_FSVERITY_H #include <linux/fs.h> +#include <linux/mm.h> #include <crypto/hash_info.h> #include <crypto/sha2.h> #include <uapi/linux/fsverity.h> @@ -93,8 +94,7 @@ struct fsverity_operations { * isn't already cached. Implementations may ignore this * argument; it's only a performance optimization. * - * This can be called at any time on an open verity file, as well as - * between ->begin_enable_verity() and ->end_enable_verity(). It may be + * This can be called at any time on an open verity file. It may be * called by multiple processes concurrently, even with the same page. * * Note that this must retrieve a *page*, not necessarily a *block*. @@ -109,9 +109,9 @@ struct fsverity_operations { * Write a Merkle tree block to the given inode. * * @inode: the inode for which the Merkle tree is being built - * @buf: block to write - * @index: 0-based index of the block within the Merkle tree - * @log_blocksize: log base 2 of the Merkle tree block size + * @buf: the Merkle tree block to write + * @pos: the position of the block in the Merkle tree (in bytes) + * @size: the Merkle tree block size (in bytes) * * This is only called between ->begin_enable_verity() and * ->end_enable_verity(). @@ -119,7 +119,7 @@ struct fsverity_operations { * Return: 0 on success, -errno on failure */ int (*write_merkle_tree_block)(struct inode *inode, const void *buf, - u64 index, int log_blocksize); + u64 pos, unsigned int size); }; #ifdef CONFIG_FS_VERITY @@ -148,9 +148,21 @@ int fsverity_get_digest(struct inode *inode, /* open.c */ -int fsverity_file_open(struct inode *inode, struct file *filp); -int fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr); -void fsverity_cleanup_inode(struct inode *inode); +int __fsverity_file_open(struct inode *inode, struct file *filp); +int __fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr); +void __fsverity_cleanup_inode(struct inode *inode); + +/** + * fsverity_cleanup_inode() - free the inode's verity info, if present + * @inode: an inode being evicted + * + * Filesystems must call this on inode eviction to free ->i_verity_info. + */ +static inline void fsverity_cleanup_inode(struct inode *inode) +{ + if (inode->i_verity_info) + __fsverity_cleanup_inode(inode); +} /* read_metadata.c */ @@ -158,7 +170,7 @@ int fsverity_ioctl_read_metadata(struct file *filp, const void __user *uarg); /* verify.c */ -bool fsverity_verify_page(struct page *page); +bool fsverity_verify_blocks(struct folio *folio, size_t len, size_t offset); void fsverity_verify_bio(struct bio *bio); void fsverity_enqueue_verify_work(struct work_struct *work); @@ -193,15 +205,15 @@ static inline int fsverity_get_digest(struct inode *inode, /* open.c */ -static inline int fsverity_file_open(struct inode *inode, struct file *filp) +static inline int __fsverity_file_open(struct inode *inode, struct file *filp) { - return IS_VERITY(inode) ? -EOPNOTSUPP : 0; + return -EOPNOTSUPP; } -static inline int fsverity_prepare_setattr(struct dentry *dentry, - struct iattr *attr) +static inline int __fsverity_prepare_setattr(struct dentry *dentry, + struct iattr *attr) { - return IS_VERITY(d_inode(dentry)) ? -EOPNOTSUPP : 0; + return -EOPNOTSUPP; } static inline void fsverity_cleanup_inode(struct inode *inode) @@ -218,7 +230,8 @@ static inline int fsverity_ioctl_read_metadata(struct file *filp, /* verify.c */ -static inline bool fsverity_verify_page(struct page *page) +static inline bool fsverity_verify_blocks(struct folio *folio, size_t len, + size_t offset) { WARN_ON(1); return false; @@ -236,6 +249,16 @@ static inline void fsverity_enqueue_verify_work(struct work_struct *work) #endif /* !CONFIG_FS_VERITY */ +static inline bool fsverity_verify_folio(struct folio *folio) +{ + return fsverity_verify_blocks(folio, folio_size(folio), 0); +} + +static inline bool fsverity_verify_page(struct page *page) +{ + return fsverity_verify_blocks(page_folio(page), PAGE_SIZE, 0); +} + /** * fsverity_active() - do reads from the inode need to go through fs-verity? * @inode: inode to check @@ -254,4 +277,42 @@ static inline bool fsverity_active(const struct inode *inode) return fsverity_get_info(inode) != NULL; } +/** + * fsverity_file_open() - prepare to open a verity file + * @inode: the inode being opened + * @filp: the struct file being set up + * + * When opening a verity file, deny the open if it is for writing. Otherwise, + * set up the inode's ->i_verity_info if not already done. + * + * When combined with fscrypt, this must be called after fscrypt_file_open(). + * Otherwise, we won't have the key set up to decrypt the verity metadata. + * + * Return: 0 on success, -errno on failure + */ +static inline int fsverity_file_open(struct inode *inode, struct file *filp) +{ + if (IS_VERITY(inode)) + return __fsverity_file_open(inode, filp); + return 0; +} + +/** + * fsverity_prepare_setattr() - prepare to change a verity inode's attributes + * @dentry: dentry through which the inode is being changed + * @attr: attributes to change + * + * Verity files are immutable, so deny truncates. This isn't covered by the + * open-time check because sys_truncate() takes a path, not a file descriptor. + * + * Return: 0 on success, -errno on failure + */ +static inline int fsverity_prepare_setattr(struct dentry *dentry, + struct iattr *attr) +{ + if (IS_VERITY(d_inode(dentry))) + return __fsverity_prepare_setattr(dentry, attr); + return 0; +} + #endif /* _LINUX_FSVERITY_H */ diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 99f1146614c0..366c730beaa3 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -39,6 +39,7 @@ static inline void ftrace_boot_snapshot(void) { } struct ftrace_ops; struct ftrace_regs; +struct dyn_ftrace; #ifdef CONFIG_FUNCTION_TRACER /* @@ -57,6 +58,9 @@ void arch_ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip); void arch_ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip, struct ftrace_ops *op, struct ftrace_regs *fregs); #endif +extern const struct ftrace_ops ftrace_nop_ops; +extern const struct ftrace_ops ftrace_list_ops; +struct ftrace_ops *ftrace_find_unique_ops(struct dyn_ftrace *rec); #endif /* CONFIG_FUNCTION_TRACER */ /* Main tracing buffer and events set up */ @@ -391,8 +395,6 @@ struct ftrace_func_entry { unsigned long direct; /* for direct lookup only */ }; -struct dyn_ftrace; - #ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS extern int ftrace_direct_func_count; int register_ftrace_direct(unsigned long ip, unsigned long addr); @@ -563,6 +565,8 @@ bool is_ftrace_trampoline(unsigned long addr); * IPMODIFY - the record allows for the IP address to be changed. * DISABLED - the record is not ready to be touched yet * DIRECT - there is a direct function to call + * CALL_OPS - the record can use callsite-specific ops + * CALL_OPS_EN - the function is set up to use callsite-specific ops * * When a new ftrace_ops is registered and wants a function to save * pt_regs, the rec->flags REGS is set. When the function has been @@ -580,9 +584,11 @@ enum { FTRACE_FL_DISABLED = (1UL << 25), FTRACE_FL_DIRECT = (1UL << 24), FTRACE_FL_DIRECT_EN = (1UL << 23), + FTRACE_FL_CALL_OPS = (1UL << 22), + FTRACE_FL_CALL_OPS_EN = (1UL << 21), }; -#define FTRACE_REF_MAX_SHIFT 23 +#define FTRACE_REF_MAX_SHIFT 21 #define FTRACE_REF_MAX ((1UL << FTRACE_REF_MAX_SHIFT) - 1) #define ftrace_rec_count(rec) ((rec)->flags & FTRACE_REF_MAX) @@ -820,7 +826,8 @@ static inline int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec) */ extern int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr); -#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS +#if defined(CONFIG_DYNAMIC_FTRACE_WITH_REGS) || \ + defined(CONFIG_DYNAMIC_FTRACE_WITH_CALL_OPS) /** * ftrace_modify_call - convert from one addr to another (no nop) * @rec: the call site record (e.g. mcount/fentry) @@ -833,6 +840,9 @@ extern int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr); * what we expect it to be, and then on success of the compare, * it should write to the location. * + * When using call ops, this is called when the associated ops change, even + * when (addr == old_addr). + * * The code segment at @rec->ip should be a caller to @old_addr * * Return must be: diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 89b9bdfca925..5700451b300f 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -18,7 +18,7 @@ struct fwnode_operations; struct device; /* - * fwnode link flags + * fwnode flags * * LINKS_ADDED: The fwnode has already be parsed to add fwnode links. * NOT_DEVICE: The fwnode will never be populated as a struct device. @@ -36,6 +36,7 @@ struct device; #define FWNODE_FLAG_INITIALIZED BIT(2) #define FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD BIT(3) #define FWNODE_FLAG_BEST_EFFORT BIT(4) +#define FWNODE_FLAG_VISITED BIT(5) struct fwnode_handle { struct fwnode_handle *secondary; @@ -46,11 +47,19 @@ struct fwnode_handle { u8 flags; }; +/* + * fwnode link flags + * + * CYCLE: The fwnode link is part of a cycle. Don't defer probe. + */ +#define FWLINK_FLAG_CYCLE BIT(0) + struct fwnode_link { struct fwnode_handle *supplier; struct list_head s_hook; struct fwnode_handle *consumer; struct list_head c_hook; + u8 flags; }; /** @@ -198,7 +207,6 @@ static inline void fwnode_dev_initialized(struct fwnode_handle *fwnode, fwnode->flags &= ~FWNODE_FLAG_INITIALIZED; } -extern u32 fw_devlink_get_flags(void); extern bool fw_devlink_is_strict(void); int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup); void fwnode_links_purge(struct fwnode_handle *fwnode); diff --git a/include/linux/gfp_types.h b/include/linux/gfp_types.h index d88c46ca82e1..5088637fe5c2 100644 --- a/include/linux/gfp_types.h +++ b/include/linux/gfp_types.h @@ -31,7 +31,7 @@ typedef unsigned int __bitwise gfp_t; #define ___GFP_IO 0x40u #define ___GFP_FS 0x80u #define ___GFP_ZERO 0x100u -#define ___GFP_ATOMIC 0x200u +/* 0x200u unused */ #define ___GFP_DIRECT_RECLAIM 0x400u #define ___GFP_KSWAPD_RECLAIM 0x800u #define ___GFP_WRITE 0x1000u @@ -116,11 +116,8 @@ typedef unsigned int __bitwise gfp_t; * * %__GFP_HIGH indicates that the caller is high-priority and that granting * the request is necessary before the system can make forward progress. - * For example, creating an IO context to clean pages. - * - * %__GFP_ATOMIC indicates that the caller cannot reclaim or sleep and is - * high priority. Users are typically interrupt handlers. This may be - * used in conjunction with %__GFP_HIGH + * For example creating an IO context to clean pages and requests + * from atomic context. * * %__GFP_MEMALLOC allows access to all memory. This should only be used when * the caller guarantees the allocation will allow more memory to be freed @@ -135,7 +132,6 @@ typedef unsigned int __bitwise gfp_t; * %__GFP_NOMEMALLOC is used to explicitly forbid access to emergency reserves. * This takes precedence over the %__GFP_MEMALLOC flag if both are set. */ -#define __GFP_ATOMIC ((__force gfp_t)___GFP_ATOMIC) #define __GFP_HIGH ((__force gfp_t)___GFP_HIGH) #define __GFP_MEMALLOC ((__force gfp_t)___GFP_MEMALLOC) #define __GFP_NOMEMALLOC ((__force gfp_t)___GFP_NOMEMALLOC) @@ -329,7 +325,7 @@ typedef unsigned int __bitwise gfp_t; * version does not attempt reclaim/compaction at all and is by default used * in page fault path, while the non-light is used by khugepaged. */ -#define GFP_ATOMIC (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM) +#define GFP_ATOMIC (__GFP_HIGH|__GFP_KSWAPD_RECLAIM) #define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS) #define GFP_KERNEL_ACCOUNT (GFP_KERNEL | __GFP_ACCOUNT) #define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM) diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 346f60bbab30..85beb236c925 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -81,11 +81,6 @@ static inline int gpio_to_irq(unsigned int gpio) return __gpio_to_irq(gpio); } -static inline int irq_to_gpio(unsigned int irq) -{ - return -EINVAL; -} - #endif /* ! CONFIG_ARCH_HAVE_CUSTOM_GPIO_H */ /* CONFIG_GPIOLIB: bindings for managed devices that want to request gpios */ @@ -197,14 +192,6 @@ static inline int gpio_export(unsigned gpio, bool direction_may_change) return -EINVAL; } -static inline int gpio_export_link(struct device *dev, const char *name, - unsigned gpio) -{ - /* GPIO can never have been exported */ - WARN_ON(1); - return -EINVAL; -} - static inline void gpio_unexport(unsigned gpio) { /* GPIO can never have been exported */ @@ -218,13 +205,6 @@ static inline int gpio_to_irq(unsigned gpio) return -EINVAL; } -static inline int irq_to_gpio(unsigned irq) -{ - /* irq can never have been returned from gpio_to_irq() */ - WARN_ON(1); - return -EINVAL; -} - static inline int devm_gpio_request(struct device *dev, unsigned gpio, const char *label) { diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index 45da8f137fe5..59cb20cfac3d 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -581,54 +581,6 @@ struct gpio_desc *devm_fwnode_gpiod_get(struct device *dev, flags, label); } -#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_OF_GPIO) -struct device_node; - -struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node, - const char *propname, int index, - enum gpiod_flags dflags, - const char *label); - -#else /* CONFIG_GPIOLIB && CONFIG_OF_GPIO */ - -struct device_node; - -static inline -struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node, - const char *propname, int index, - enum gpiod_flags dflags, - const char *label) -{ - return ERR_PTR(-ENOSYS); -} - -#endif /* CONFIG_GPIOLIB && CONFIG_OF_GPIO */ - -#ifdef CONFIG_GPIOLIB -struct device_node; - -struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev, - const struct device_node *node, - const char *propname, int index, - enum gpiod_flags dflags, - const char *label); - -#else /* CONFIG_GPIOLIB */ - -struct device_node; - -static inline -struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev, - const struct device_node *node, - const char *propname, int index, - enum gpiod_flags dflags, - const char *label) -{ - return ERR_PTR(-ENOSYS); -} - -#endif /* CONFIG_GPIOLIB */ - struct acpi_gpio_params { unsigned int crs_entry_index; unsigned int line_index; diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 44783fc16125..ccd8a512d854 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -336,7 +336,7 @@ struct gpio_irq_chip { * @set_multiple: assigns output values for multiple signals defined by "mask" * @set_config: optional hook for all kinds of settings. Uses the same * packed config format as generic pinconf. - * @to_irq: optional hook supporting non-static gpio_to_irq() mappings; + * @to_irq: optional hook supporting non-static gpiod_to_irq() mappings; * implementation may not sleep * @dbg_show: optional routine to show contents in debugfs; default code * will be used when this is omitted, but custom code can show extra @@ -504,13 +504,6 @@ struct gpio_chip { */ /** - * @of_node: - * - * Pointer to a device tree node representing this GPIO controller. - */ - struct device_node *of_node; - - /** * @of_gpio_n_cells: * * Number of cells used to form the GPIO specifier. @@ -525,18 +518,6 @@ struct gpio_chip { */ int (*of_xlate)(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags); - - /** - * @of_gpio_ranges_fallback: - * - * Optional hook for the case that no gpio-ranges property is defined - * within the device tree node "np" (usually DT before introduction - * of gpio-ranges). So this callback is helpful to provide the - * necessary backward compatibility for the pin ranges. - */ - int (*of_gpio_ranges_fallback)(struct gpio_chip *gc, - struct device_node *np); - #endif /* CONFIG_OF_GPIO */ }; diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index ac631159403a..13b1e65fbdcc 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -132,6 +132,7 @@ #define HID_USAGE_SENSOR_PROP_FRIENDLY_NAME 0x200301 #define HID_USAGE_SENSOR_PROP_SERIAL_NUM 0x200307 #define HID_USAGE_SENSOR_PROP_MANUFACTURER 0x200305 +#define HID_USAGE_SENSOR_PROP_MODEL 0x200306 #define HID_USAGE_SENSOR_PROP_REPORT_INTERVAL 0x20030E #define HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS 0x20030F #define HID_USAGE_SENSOR_PROP_SENSITIVITY_RANGE_PCT 0x200310 diff --git a/include/linux/hid.h b/include/linux/hid.h index 8677ae38599e..eaf8ab177303 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -26,6 +26,7 @@ #include <linux/mutex.h> #include <linux/power_supply.h> #include <uapi/linux/hid.h> +#include <linux/hid_bpf.h> /* * We parse each description item into this structure. Short items data @@ -312,6 +313,7 @@ struct hid_item { #define HID_DG_LATENCYMODE 0x000d0060 #define HID_BAT_ABSOLUTESTATEOFCHARGE 0x00850065 +#define HID_BAT_CHARGING 0x00850044 #define HID_VD_ASUS_CUSTOM_MEDIA_KEYS 0xff310076 @@ -595,7 +597,7 @@ struct hid_device { /* device report descriptor */ struct device dev; /* device */ struct hid_driver *driver; - struct hid_ll_driver *ll_driver; + const struct hid_ll_driver *ll_driver; struct mutex ll_open_lock; unsigned int ll_open_count; @@ -611,6 +613,7 @@ struct hid_device { /* device report descriptor */ __s32 battery_max; __s32 battery_report_type; __s32 battery_report_id; + __s32 battery_charge_status; enum hid_battery_status battery_status; bool battery_avoid_query; ktime_t battery_ratelimit_time; @@ -619,6 +622,7 @@ struct hid_device { /* device report descriptor */ unsigned long status; /* see STAT flags above */ unsigned claimed; /* Claimed by hidinput, hiddev? */ unsigned quirks; /* Various quirks the device can pull on us */ + unsigned initial_quirks; /* Initial set of quirks supplied when creating device */ bool io_started; /* If IO has started */ struct list_head inputs; /* The list of inputs */ @@ -651,6 +655,10 @@ struct hid_device { /* device report descriptor */ wait_queue_head_t debug_wait; unsigned int id; /* system unique id */ + +#ifdef CONFIG_BPF + struct hid_bpf bpf; /* hid-bpf data */ +#endif /* CONFIG_BPF */ }; #define to_hid_device(pdev) \ @@ -853,21 +861,7 @@ struct hid_ll_driver { bool (*may_wakeup)(struct hid_device *hdev); }; -extern struct hid_ll_driver i2c_hid_ll_driver; -extern struct hid_ll_driver hidp_hid_driver; -extern struct hid_ll_driver uhid_hid_driver; -extern struct hid_ll_driver usb_hid_driver; - -static inline bool hid_is_using_ll_driver(struct hid_device *hdev, - struct hid_ll_driver *driver) -{ - return hdev->ll_driver == driver; -} - -static inline bool hid_is_usb(struct hid_device *hdev) -{ - return hid_is_using_ll_driver(hdev, &usb_hid_driver); -} +extern bool hid_is_usb(const struct hid_device *hdev); #define PM_HINT_FULLON 1<<5 #define PM_HINT_NORMAL 1<<1 @@ -882,8 +876,6 @@ static inline bool hid_is_usb(struct hid_device *hdev) /* HID core API */ -extern int hid_debug; - extern bool hid_ignore(struct hid_device *); extern int hid_add_device(struct hid_device *); extern void hid_destroy_device(struct hid_device *); @@ -1191,11 +1183,7 @@ int hid_pidff_init(struct hid_device *hid); #define hid_pidff_init NULL #endif -#define dbg_hid(fmt, ...) \ -do { \ - if (hid_debug) \ - printk(KERN_DEBUG "%s: " fmt, __FILE__, ##__VA_ARGS__); \ -} while (0) +#define dbg_hid(fmt, ...) pr_debug("%s: " fmt, __FILE__, ##__VA_ARGS__) #define hid_err(hid, fmt, ...) \ dev_err(&(hid)->dev, fmt, ##__VA_ARGS__) diff --git a/include/linux/hid_bpf.h b/include/linux/hid_bpf.h new file mode 100644 index 000000000000..e9afb61e6ee0 --- /dev/null +++ b/include/linux/hid_bpf.h @@ -0,0 +1,170 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef __HID_BPF_H +#define __HID_BPF_H + +#include <linux/bpf.h> +#include <linux/spinlock.h> +#include <uapi/linux/hid.h> + +struct hid_device; + +/* + * The following is the user facing HID BPF API. + * + * Extra care should be taken when editing this part, as + * it might break existing out of the tree bpf programs. + */ + +/** + * struct hid_bpf_ctx - User accessible data for all HID programs + * + * ``data`` is not directly accessible from the context. We need to issue + * a call to ``hid_bpf_get_data()`` in order to get a pointer to that field. + * + * All of these fields are currently read-only. + * + * @index: program index in the jump table. No special meaning (a smaller index + * doesn't mean the program will be executed before another program with + * a bigger index). + * @hid: the ``struct hid_device`` representing the device itself + * @report_type: used for ``hid_bpf_device_event()`` + * @allocated_size: Allocated size of data. + * + * This is how much memory is available and can be requested + * by the HID program. + * Note that for ``HID_BPF_RDESC_FIXUP``, that memory is set to + * ``4096`` (4 KB) + * @size: Valid data in the data field. + * + * Programs can get the available valid size in data by fetching this field. + * Programs can also change this value by returning a positive number in the + * program. + * To discard the event, return a negative error code. + * + * ``size`` must always be less or equal than ``allocated_size`` (it is enforced + * once all BPF programs have been run). + * @retval: Return value of the previous program. + */ +struct hid_bpf_ctx { + __u32 index; + const struct hid_device *hid; + __u32 allocated_size; + enum hid_report_type report_type; + union { + __s32 retval; + __s32 size; + }; +}; + +/** + * enum hid_bpf_attach_flags - flags used when attaching a HIF-BPF program + * + * @HID_BPF_FLAG_NONE: no specific flag is used, the kernel choses where to + * insert the program + * @HID_BPF_FLAG_INSERT_HEAD: insert the given program before any other program + * currently attached to the device. This doesn't + * guarantee that this program will always be first + * @HID_BPF_FLAG_MAX: sentinel value, not to be used by the callers + */ +enum hid_bpf_attach_flags { + HID_BPF_FLAG_NONE = 0, + HID_BPF_FLAG_INSERT_HEAD = _BITUL(0), + HID_BPF_FLAG_MAX, +}; + +/* Following functions are tracepoints that BPF programs can attach to */ +int hid_bpf_device_event(struct hid_bpf_ctx *ctx); +int hid_bpf_rdesc_fixup(struct hid_bpf_ctx *ctx); + +/* Following functions are kfunc that we export to BPF programs */ +/* available everywhere in HID-BPF */ +__u8 *hid_bpf_get_data(struct hid_bpf_ctx *ctx, unsigned int offset, const size_t __sz); + +/* only available in syscall */ +int hid_bpf_attach_prog(unsigned int hid_id, int prog_fd, __u32 flags); +int hid_bpf_hw_request(struct hid_bpf_ctx *ctx, __u8 *buf, size_t buf__sz, + enum hid_report_type rtype, enum hid_class_request reqtype); +struct hid_bpf_ctx *hid_bpf_allocate_context(unsigned int hid_id); +void hid_bpf_release_context(struct hid_bpf_ctx *ctx); + +/* + * Below is HID internal + */ + +/* internal function to call eBPF programs, not to be used by anybody */ +int __hid_bpf_tail_call(struct hid_bpf_ctx *ctx); + +#define HID_BPF_MAX_PROGS_PER_DEV 64 +#define HID_BPF_FLAG_MASK (((HID_BPF_FLAG_MAX - 1) << 1) - 1) + +/* types of HID programs to attach to */ +enum hid_bpf_prog_type { + HID_BPF_PROG_TYPE_UNDEF = -1, + HID_BPF_PROG_TYPE_DEVICE_EVENT, /* an event is emitted from the device */ + HID_BPF_PROG_TYPE_RDESC_FIXUP, + HID_BPF_PROG_TYPE_MAX, +}; + +struct hid_report_enum; + +struct hid_bpf_ops { + struct hid_report *(*hid_get_report)(struct hid_report_enum *report_enum, const u8 *data); + int (*hid_hw_raw_request)(struct hid_device *hdev, + unsigned char reportnum, __u8 *buf, + size_t len, enum hid_report_type rtype, + enum hid_class_request reqtype); + struct module *owner; + struct bus_type *bus_type; +}; + +extern struct hid_bpf_ops *hid_bpf_ops; + +struct hid_bpf_prog_list { + u16 prog_idx[HID_BPF_MAX_PROGS_PER_DEV]; + u8 prog_cnt; +}; + +/* stored in each device */ +struct hid_bpf { + u8 *device_data; /* allocated when a bpf program of type + * SEC(f.../hid_bpf_device_event) has been attached + * to this HID device + */ + u32 allocated_data; + + struct hid_bpf_prog_list __rcu *progs[HID_BPF_PROG_TYPE_MAX]; /* attached BPF progs */ + bool destroyed; /* prevents the assignment of any progs */ + + spinlock_t progs_lock; /* protects RCU update of progs */ +}; + +/* specific HID-BPF link when a program is attached to a device */ +struct hid_bpf_link { + struct bpf_link link; + int hid_table_index; +}; + +#ifdef CONFIG_HID_BPF +u8 *dispatch_hid_bpf_device_event(struct hid_device *hid, enum hid_report_type type, u8 *data, + u32 *size, int interrupt); +int hid_bpf_connect_device(struct hid_device *hdev); +void hid_bpf_disconnect_device(struct hid_device *hdev); +void hid_bpf_destroy_device(struct hid_device *hid); +void hid_bpf_device_init(struct hid_device *hid); +u8 *call_hid_bpf_rdesc_fixup(struct hid_device *hdev, u8 *rdesc, unsigned int *size); +#else /* CONFIG_HID_BPF */ +static inline u8 *dispatch_hid_bpf_device_event(struct hid_device *hid, enum hid_report_type type, + u8 *data, u32 *size, int interrupt) { return data; } +static inline int hid_bpf_connect_device(struct hid_device *hdev) { return 0; } +static inline void hid_bpf_disconnect_device(struct hid_device *hdev) {} +static inline void hid_bpf_destroy_device(struct hid_device *hid) {} +static inline void hid_bpf_device_init(struct hid_device *hid) {} +static inline u8 *call_hid_bpf_rdesc_fixup(struct hid_device *hdev, u8 *rdesc, unsigned int *size) +{ + return kmemdup(rdesc, *size, GFP_KERNEL); +} + +#endif /* CONFIG_HID_BPF */ + +#endif /* __HID_BPF_H */ diff --git a/include/linux/highmem-internal.h b/include/linux/highmem-internal.h index e098f38422af..a3028e400a9c 100644 --- a/include/linux/highmem-internal.h +++ b/include/linux/highmem-internal.h @@ -152,7 +152,10 @@ static inline void totalhigh_pages_add(long count) static inline bool is_kmap_addr(const void *x) { unsigned long addr = (unsigned long)x; - return addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP); + + return (addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP)) || + (addr >= __fix_to_virt(FIX_KMAP_END) && + addr < __fix_to_virt(FIX_KMAP_BEGIN)); } #else /* CONFIG_HIGHMEM */ diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 44242268f53b..b06254e76d99 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -86,8 +86,8 @@ static inline void kmap_flush_unused(void); * virtual address of the direct mapping. Only real highmem pages are * temporarily mapped. * - * While it is significantly faster than kmap() for the higmem case it - * comes with restrictions about the pointer validity. + * While kmap_local_page() is significantly faster than kmap() for the highmem + * case it comes with restrictions about the pointer validity. * * On HIGHMEM enabled systems mapping a highmem page has the side effect of * disabling migration in order to keep the virtual address stable across @@ -119,9 +119,8 @@ static inline void *kmap_local_page(struct page *page); * virtual address of the direct mapping. Only real highmem pages are * temporarily mapped. * - * While it is significantly faster than kmap() for the higmem case it - * comes with restrictions about the pointer validity. Only use when really - * necessary. + * While it is significantly faster than kmap() for the highmem case it + * comes with restrictions about the pointer validity. * * On HIGHMEM enabled systems mapping a highmem page has the side effect of * disabling migration in order to keep the virtual address stable across @@ -208,31 +207,30 @@ static inline void clear_user_highpage(struct page *page, unsigned long vaddr) } #endif -#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE +#ifndef vma_alloc_zeroed_movable_folio /** - * alloc_zeroed_user_highpage_movable - Allocate a zeroed HIGHMEM page for a VMA that the caller knows can move - * @vma: The VMA the page is to be allocated for - * @vaddr: The virtual address the page will be inserted into + * vma_alloc_zeroed_movable_folio - Allocate a zeroed page for a VMA. + * @vma: The VMA the page is to be allocated for. + * @vaddr: The virtual address the page will be inserted into. * - * Returns: The allocated and zeroed HIGHMEM page + * This function will allocate a page suitable for inserting into this + * VMA at this virtual address. It may be allocated from highmem or + * the movable zone. An architecture may provide its own implementation. * - * This function will allocate a page for a VMA that the caller knows will - * be able to migrate in the future using move_pages() or reclaimed - * - * An architecture may override this function by defining - * __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE and providing their own - * implementation. + * Return: A folio containing one allocated and zeroed page or NULL if + * we are out of memory. */ -static inline struct page * -alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma, +static inline +struct folio *vma_alloc_zeroed_movable_folio(struct vm_area_struct *vma, unsigned long vaddr) { - struct page *page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vaddr); + struct folio *folio; - if (page) - clear_user_highpage(page, vaddr); + folio = vma_alloc_folio(GFP_HIGHUSER_MOVABLE, 0, vma, vaddr, false); + if (folio) + clear_user_highpage(&folio->page, vaddr); - return page; + return folio; } #endif @@ -416,6 +414,36 @@ static inline void memzero_page(struct page *page, size_t offset, size_t len) } /** + * memcpy_from_file_folio - Copy some bytes from a file folio. + * @to: The destination buffer. + * @folio: The folio to copy from. + * @pos: The position in the file. + * @len: The maximum number of bytes to copy. + * + * Copy up to @len bytes from this folio. This may be limited by PAGE_SIZE + * if the folio comes from HIGHMEM, and by the size of the folio. + * + * Return: The number of bytes copied from the folio. + */ +static inline size_t memcpy_from_file_folio(char *to, struct folio *folio, + loff_t pos, size_t len) +{ + size_t offset = offset_in_folio(folio, pos); + char *from = kmap_local_folio(folio, offset); + + if (folio_test_highmem(folio)) { + offset = offset_in_page(offset); + len = min_t(size_t, len, PAGE_SIZE - offset); + } else + len = min(len, folio_size(folio) - offset); + + memcpy(to, from, len); + kunmap_local(from); + + return len; +} + +/** * folio_zero_segments() - Zero two byte ranges in a folio. * @folio: The folio to write to. * @start1: The first byte to zero. diff --git a/include/linux/hisi_acc_qm.h b/include/linux/hisi_acc_qm.h index be3aedaa96dc..a7d54d4d41fd 100644 --- a/include/linux/hisi_acc_qm.h +++ b/include/linux/hisi_acc_qm.h @@ -122,7 +122,6 @@ enum qp_state { }; enum qm_hw_ver { - QM_HW_UNKNOWN = -1, QM_HW_V1 = 0x20, QM_HW_V2 = 0x21, QM_HW_V3 = 0x30, @@ -272,6 +271,20 @@ struct hisi_qm_poll_data { u16 *qp_finish_id; }; +/** + * struct qm_err_isolate + * @isolate_lock: protects device error log + * @err_threshold: user config error threshold which triggers isolation + * @is_isolate: device isolation state + * @uacce_hw_errs: index into qm device error list + */ +struct qm_err_isolate { + struct mutex isolate_lock; + u32 err_threshold; + bool is_isolate; + struct list_head qm_hw_errs; +}; + struct hisi_qm { enum qm_hw_ver ver; enum qm_fun_type fun_type; @@ -309,7 +322,8 @@ struct hisi_qm { const struct hisi_qm_err_ini *err_ini; struct hisi_qm_err_info err_info; struct hisi_qm_err_status err_status; - unsigned long misc_ctl; /* driver removing and reset sched */ + /* driver removing and reset sched */ + unsigned long misc_ctl; /* Device capability bit */ unsigned long caps; @@ -332,7 +346,6 @@ struct hisi_qm { const char *algs; bool use_sva; - bool is_frozen; resource_size_t phys_base; resource_size_t db_phys_base; @@ -341,6 +354,7 @@ struct hisi_qm { struct qm_shaper_factor *factor; u32 mb_qos; u32 type_rate; + struct qm_err_isolate isolate_data; }; struct hisi_qp_status { diff --git a/include/linux/host1x.h b/include/linux/host1x.h index dc55d9d3b94f..9a9de4b97a25 100644 --- a/include/linux/host1x.h +++ b/include/linux/host1x.h @@ -8,6 +8,7 @@ #include <linux/device.h> #include <linux/dma-direction.h> +#include <linux/dma-fence.h> #include <linux/spinlock.h> #include <linux/types.h> @@ -221,7 +222,9 @@ u32 host1x_syncpt_base_id(struct host1x_syncpt_base *base); void host1x_syncpt_release_vblank_reservation(struct host1x_client *client, u32 syncpt_id); -struct dma_fence *host1x_fence_create(struct host1x_syncpt *sp, u32 threshold); +struct dma_fence *host1x_fence_create(struct host1x_syncpt *sp, u32 threshold, + bool timeout); +void host1x_fence_cancel(struct dma_fence *fence); /* * host1x channel @@ -288,8 +291,9 @@ struct host1x_job { u32 syncpt_incrs; u32 syncpt_end; - /* Completion waiter ref */ - void *waiter; + /* Completion fence for job tracking */ + struct dma_fence *fence; + struct dma_fence_cb fence_cb; /* Maximum time to wait for this job */ unsigned int timeout; diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index a1341fdcf666..70bd867eba94 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -187,7 +187,7 @@ static inline int split_huge_page(struct page *page) { return split_huge_page_to_list(page, NULL); } -void deferred_split_huge_page(struct page *page); +void deferred_split_folio(struct folio *folio); void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, unsigned long address, bool freeze, struct folio *folio); @@ -293,15 +293,6 @@ static inline bool thp_migration_supported(void) return IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION); } -static inline struct list_head *page_deferred_list(struct page *page) -{ - /* - * See organization of tail pages of compound page in - * "struct page" definition. - */ - return &page[2].deferred_list; -} - #else /* CONFIG_TRANSPARENT_HUGEPAGE */ #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) #define HPAGE_PMD_MASK ({ BUILD_BUG(); 0; }) @@ -349,7 +340,7 @@ static inline int split_huge_page(struct page *page) { return 0; } -static inline void deferred_split_huge_page(struct page *page) {} +static inline void deferred_split_folio(struct folio *folio) {} #define split_huge_pmd(__vma, __pmd, __address) \ do { } while (0) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 9ab9d3105d5c..7c977d234aba 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -2,6 +2,7 @@ #ifndef _LINUX_HUGETLB_H #define _LINUX_HUGETLB_H +#include <linux/mm.h> #include <linux/mm_types.h> #include <linux/mmdebug.h> #include <linux/fs.h> @@ -170,11 +171,11 @@ bool hugetlb_reserve_pages(struct inode *inode, long from, long to, vm_flags_t vm_flags); long hugetlb_unreserve_pages(struct inode *inode, long start, long end, long freed); -int isolate_hugetlb(struct page *page, struct list_head *list); -int get_hwpoison_huge_page(struct page *page, bool *hugetlb, bool unpoison); +bool isolate_hugetlb(struct folio *folio, struct list_head *list); +int get_hwpoison_hugetlb_folio(struct folio *folio, bool *hugetlb, bool unpoison); int get_huge_page_for_hwpoison(unsigned long pfn, int flags, bool *migratable_cleared); -void putback_active_hugepage(struct page *page); +void folio_putback_active_hugetlb(struct folio *folio); void move_hugetlb_state(struct folio *old_folio, struct folio *new_folio, int reason); void free_huge_page(struct page *page); void hugetlb_fix_reserve_counts(struct inode *inode); @@ -193,6 +194,43 @@ extern struct list_head huge_boot_pages; pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long sz); +/* + * huge_pte_offset(): Walk the hugetlb pgtable until the last level PTE. + * Returns the pte_t* if found, or NULL if the address is not mapped. + * + * IMPORTANT: we should normally not directly call this function, instead + * this is only a common interface to implement arch-specific + * walker. Please use hugetlb_walk() instead, because that will attempt to + * verify the locking for you. + * + * Since this function will walk all the pgtable pages (including not only + * high-level pgtable page, but also PUD entry that can be unshared + * concurrently for VM_SHARED), the caller of this function should be + * responsible of its thread safety. One can follow this rule: + * + * (1) For private mappings: pmd unsharing is not possible, so holding the + * mmap_lock for either read or write is sufficient. Most callers + * already hold the mmap_lock, so normally, no special action is + * required. + * + * (2) For shared mappings: pmd unsharing is possible (so the PUD-ranged + * pgtable page can go away from under us! It can be done by a pmd + * unshare with a follow up munmap() on the other process), then we + * need either: + * + * (2.1) hugetlb vma lock read or write held, to make sure pmd unshare + * won't happen upon the range (it also makes sure the pte_t we + * read is the right and stable one), or, + * + * (2.2) hugetlb mapping i_mmap_rwsem lock held read or write, to make + * sure even if unshare happened the racy unmap() will wait until + * i_mmap_rwsem is released. + * + * Option (2.1) is the safest, which guarantees pte stability from pmd + * sharing pov, until the vma lock released. Option (2.2) doesn't protect + * a concurrent pmd unshare, but it makes sure the pgtable page is safe to + * access. + */ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, unsigned long sz); unsigned long hugetlb_mask_last_page(struct hstate *h); @@ -211,7 +249,7 @@ void hugetlb_vma_lock_release(struct kref *kref); int pmd_huge(pmd_t pmd); int pud_huge(pud_t pud); -unsigned long hugetlb_change_protection(struct vm_area_struct *vma, +long hugetlb_change_protection(struct vm_area_struct *vma, unsigned long address, unsigned long end, pgprot_t newprot, unsigned long cp_flags); @@ -375,12 +413,12 @@ static inline pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, return NULL; } -static inline int isolate_hugetlb(struct page *page, struct list_head *list) +static inline bool isolate_hugetlb(struct folio *folio, struct list_head *list) { - return -EBUSY; + return false; } -static inline int get_hwpoison_huge_page(struct page *page, bool *hugetlb, bool unpoison) +static inline int get_hwpoison_hugetlb_folio(struct folio *folio, bool *hugetlb, bool unpoison) { return 0; } @@ -391,7 +429,7 @@ static inline int get_huge_page_for_hwpoison(unsigned long pfn, int flags, return 0; } -static inline void putback_active_hugepage(struct page *page) +static inline void folio_putback_active_hugetlb(struct folio *folio) { } @@ -400,7 +438,7 @@ static inline void move_hugetlb_state(struct folio *old_folio, { } -static inline unsigned long hugetlb_change_protection( +static inline long hugetlb_change_protection( struct vm_area_struct *vma, unsigned long address, unsigned long end, pgprot_t newprot, unsigned long cp_flags) @@ -679,16 +717,16 @@ struct huge_bootmem_page { }; int isolate_or_dissolve_huge_page(struct page *page, struct list_head *list); -struct page *alloc_huge_page(struct vm_area_struct *vma, +struct folio *alloc_hugetlb_folio(struct vm_area_struct *vma, unsigned long addr, int avoid_reserve); -struct page *alloc_huge_page_nodemask(struct hstate *h, int preferred_nid, +struct folio *alloc_hugetlb_folio_nodemask(struct hstate *h, int preferred_nid, nodemask_t *nmask, gfp_t gfp_mask); -struct page *alloc_huge_page_vma(struct hstate *h, struct vm_area_struct *vma, +struct folio *alloc_hugetlb_folio_vma(struct hstate *h, struct vm_area_struct *vma, unsigned long address); -int hugetlb_add_to_page_cache(struct page *page, struct address_space *mapping, +int hugetlb_add_to_page_cache(struct folio *folio, struct address_space *mapping, pgoff_t idx); void restore_reserve_on_error(struct hstate *h, struct vm_area_struct *vma, - unsigned long address, struct page *page); + unsigned long address, struct folio *folio); /* arch callback */ int __init __alloc_bootmem_huge_page(struct hstate *h, int nid); @@ -843,9 +881,9 @@ extern int dissolve_free_huge_pages(unsigned long start_pfn, unsigned long end_pfn); #ifdef CONFIG_MEMORY_FAILURE -extern void hugetlb_clear_page_hwpoison(struct page *hpage); +extern void folio_clear_hugetlb_hwpoison(struct folio *folio); #else -static inline void hugetlb_clear_page_hwpoison(struct page *hpage) +static inline void folio_clear_hugetlb_hwpoison(struct folio *folio) { } #endif @@ -998,21 +1036,21 @@ static inline int isolate_or_dissolve_huge_page(struct page *page, return -ENOMEM; } -static inline struct page *alloc_huge_page(struct vm_area_struct *vma, +static inline struct folio *alloc_hugetlb_folio(struct vm_area_struct *vma, unsigned long addr, int avoid_reserve) { return NULL; } -static inline struct page * -alloc_huge_page_nodemask(struct hstate *h, int preferred_nid, +static inline struct folio * +alloc_hugetlb_folio_nodemask(struct hstate *h, int preferred_nid, nodemask_t *nmask, gfp_t gfp_mask) { return NULL; } -static inline struct page *alloc_huge_page_vma(struct hstate *h, +static inline struct folio *alloc_hugetlb_folio_vma(struct hstate *h, struct vm_area_struct *vma, unsigned long address) { @@ -1213,4 +1251,35 @@ bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr); #define flush_hugetlb_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end) #endif +static inline bool __vma_shareable_lock(struct vm_area_struct *vma) +{ + return (vma->vm_flags & VM_MAYSHARE) && vma->vm_private_data; +} + +/* + * Safe version of huge_pte_offset() to check the locks. See comments + * above huge_pte_offset(). + */ +static inline pte_t * +hugetlb_walk(struct vm_area_struct *vma, unsigned long addr, unsigned long sz) +{ +#if defined(CONFIG_HUGETLB_PAGE) && \ + defined(CONFIG_ARCH_WANT_HUGE_PMD_SHARE) && defined(CONFIG_LOCKDEP) + struct hugetlb_vma_lock *vma_lock = vma->vm_private_data; + + /* + * If pmd sharing possible, locking needed to safely walk the + * hugetlb pgtables. More information can be found at the comment + * above huge_pte_offset() in the same file. + * + * NOTE: lockdep_is_held() is only defined with CONFIG_LOCKDEP. + */ + if (__vma_shareable_lock(vma)) + WARN_ON_ONCE(!lockdep_is_held(&vma_lock->rw_sema) && + !lockdep_is_held( + &vma->vm_file->f_mapping->i_mmap_rwsem)); +#endif + return huge_pte_offset(vma->vm_mm, addr, sz); +} + #endif /* _LINUX_HUGETLB_H */ diff --git a/include/linux/hugetlb_cgroup.h b/include/linux/hugetlb_cgroup.h index f706626a8063..3d82d91f49ac 100644 --- a/include/linux/hugetlb_cgroup.h +++ b/include/linux/hugetlb_cgroup.h @@ -141,10 +141,10 @@ extern int hugetlb_cgroup_charge_cgroup_rsvd(int idx, unsigned long nr_pages, struct hugetlb_cgroup **ptr); extern void hugetlb_cgroup_commit_charge(int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg, - struct page *page); + struct folio *folio); extern void hugetlb_cgroup_commit_charge_rsvd(int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg, - struct page *page); + struct folio *folio); extern void hugetlb_cgroup_uncharge_folio(int idx, unsigned long nr_pages, struct folio *folio); extern void hugetlb_cgroup_uncharge_folio_rsvd(int idx, unsigned long nr_pages, @@ -230,14 +230,14 @@ static inline int hugetlb_cgroup_charge_cgroup_rsvd(int idx, static inline void hugetlb_cgroup_commit_charge(int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg, - struct page *page) + struct folio *folio) { } static inline void hugetlb_cgroup_commit_charge_rsvd(int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg, - struct page *page) + struct folio *folio) { } diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index 14325f93c6b2..c1b62384b6ee 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -436,6 +436,10 @@ struct hwmon_chip_info { /* hwmon_device_register() is deprecated */ struct device *hwmon_device_register(struct device *dev); +/* + * hwmon_device_register_with_groups() and + * devm_hwmon_device_register_with_groups() are deprecated. + */ struct device * hwmon_device_register_with_groups(struct device *dev, const char *name, void *drvdata, diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 85f7c5a63aa6..bfbc37ce223b 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -1273,7 +1273,7 @@ struct hv_driver { } dynids; int (*probe)(struct hv_device *, const struct hv_vmbus_device_id *); - int (*remove)(struct hv_device *); + void (*remove)(struct hv_device *dev); void (*shutdown)(struct hv_device *); int (*suspend)(struct hv_device *); @@ -1309,10 +1309,7 @@ struct hv_device { }; -static inline struct hv_device *device_to_hv_device(struct device *d) -{ - return container_of(d, struct hv_device, device); -} +#define device_to_hv_device(d) container_of_const(d, struct hv_device, device) static inline struct hv_driver *drv_to_hv_drv(struct device_driver *d) { diff --git a/include/linux/i2c.h b/include/linux/i2c.h index d84e0e99f084..500404d85141 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -965,15 +965,33 @@ int i2c_handle_smbus_host_notify(struct i2c_adapter *adap, unsigned short addr); #endif /* I2C */ +/* must call put_device() when done with returned i2c_client device */ +struct i2c_client *i2c_find_device_by_fwnode(struct fwnode_handle *fwnode); + +/* must call put_device() when done with returned i2c_adapter device */ +struct i2c_adapter *i2c_find_adapter_by_fwnode(struct fwnode_handle *fwnode); + +/* must call i2c_put_adapter() when done with returned i2c_adapter device */ +struct i2c_adapter *i2c_get_adapter_by_fwnode(struct fwnode_handle *fwnode); + #if IS_ENABLED(CONFIG_OF) /* must call put_device() when done with returned i2c_client device */ -struct i2c_client *of_find_i2c_device_by_node(struct device_node *node); +static inline struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) +{ + return i2c_find_device_by_fwnode(of_fwnode_handle(node)); +} /* must call put_device() when done with returned i2c_adapter device */ -struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node); +static inline struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) +{ + return i2c_find_adapter_by_fwnode(of_fwnode_handle(node)); +} /* must call i2c_put_adapter() when done with returned i2c_adapter device */ -struct i2c_adapter *of_get_i2c_adapter_by_node(struct device_node *node); +static inline struct i2c_adapter *of_get_i2c_adapter_by_node(struct device_node *node) +{ + return i2c_get_adapter_by_fwnode(of_fwnode_handle(node)); +} const struct of_device_id *i2c_of_match_device(const struct of_device_id *matches, diff --git a/include/linux/i3c/device.h b/include/linux/i3c/device.h index 1c997abe868c..90fa83464f00 100644 --- a/include/linux/i3c/device.h +++ b/include/linux/i3c/device.h @@ -18,17 +18,18 @@ /** * enum i3c_error_code - I3C error codes * + * @I3C_ERROR_UNKNOWN: unknown error, usually means the error is not I3C + * related + * @I3C_ERROR_M0: M0 error + * @I3C_ERROR_M1: M1 error + * @I3C_ERROR_M2: M2 error + * * These are the standard error codes as defined by the I3C specification. * When -EIO is returned by the i3c_device_do_priv_xfers() or * i3c_device_send_hdr_cmds() one can check the error code in * &struct_i3c_priv_xfer.err or &struct i3c_hdr_cmd.err to get a better idea of * what went wrong. * - * @I3C_ERROR_UNKNOWN: unknown error, usually means the error is not I3C - * related - * @I3C_ERROR_M0: M0 error - * @I3C_ERROR_M1: M1 error - * @I3C_ERROR_M2: M2 error */ enum i3c_error_code { I3C_ERROR_UNKNOWN = 0, @@ -186,7 +187,14 @@ static inline struct i3c_driver *drv_to_i3cdrv(struct device_driver *drv) } struct device *i3cdev_to_dev(struct i3c_device *i3cdev); -struct i3c_device *dev_to_i3cdev(struct device *dev); + +/** + * dev_to_i3cdev() - Returns the I3C device containing @dev + * @__dev: device object + * + * Return: a pointer to an I3C device object. + */ +#define dev_to_i3cdev(__dev) container_of_const(__dev, struct i3c_device, dev) const struct i3c_device_id * i3c_device_match_id(struct i3c_device *i3cdev, @@ -296,7 +304,7 @@ int i3c_device_do_priv_xfers(struct i3c_device *dev, int i3c_device_do_setdasa(struct i3c_device *dev); -void i3c_device_get_info(struct i3c_device *dev, struct i3c_device_info *info); +void i3c_device_get_info(const struct i3c_device *dev, struct i3c_device_info *info); struct i3c_ibi_payload { unsigned int len; diff --git a/include/linux/idle_inject.h b/include/linux/idle_inject.h index fb88e23a99d3..a85d5dd40f72 100644 --- a/include/linux/idle_inject.h +++ b/include/linux/idle_inject.h @@ -13,6 +13,9 @@ struct idle_inject_device; struct idle_inject_device *idle_inject_register(struct cpumask *cpumask); +struct idle_inject_device *idle_inject_register_full(struct cpumask *cpumask, + bool (*update)(void)); + void idle_inject_unregister(struct idle_inject_device *ii_dev); int idle_inject_start(struct idle_inject_device *ii_dev); diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 80d6308dea06..2463bdd2a382 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -1356,6 +1356,7 @@ struct ieee80211_mgmt { } __packed wnm_timing_msr; } u; } __packed action; + DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */ } u; } __packed __aligned(2); diff --git a/include/linux/ieee802154.h b/include/linux/ieee802154.h index 0303eb84d596..140f61ec0f5f 100644 --- a/include/linux/ieee802154.h +++ b/include/linux/ieee802154.h @@ -44,6 +44,13 @@ #define IEEE802154_SHORT_ADDR_LEN 2 #define IEEE802154_PAN_ID_LEN 2 +/* Duration in superframe order */ +#define IEEE802154_MAX_SCAN_DURATION 14 +#define IEEE802154_ACTIVE_SCAN_DURATION 15 +/* Superframe duration in slots */ +#define IEEE802154_SUPERFRAME_PERIOD 16 +/* Various periods expressed in symbols */ +#define IEEE802154_SLOT_PERIOD 60 #define IEEE802154_LIFS_PERIOD 40 #define IEEE802154_SIFS_PERIOD 12 #define IEEE802154_MAX_SIFS_FRAME_SIZE 18 diff --git a/include/linux/igmp.h b/include/linux/igmp.h index 78890143f079..b19d3284551f 100644 --- a/include/linux/igmp.h +++ b/include/linux/igmp.h @@ -15,6 +15,7 @@ #include <linux/in.h> #include <linux/ip.h> #include <linux/refcount.h> +#include <linux/sockptr.h> #include <uapi/linux/igmp.h> static inline struct igmphdr *igmp_hdr(const struct sk_buff *skb) diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 8e0afaaa3f75..81413cd3a3e7 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -381,6 +381,11 @@ s64 iio_get_time_ns(const struct iio_dev *indio_dev); #define INDIO_MAX_RAW_ELEMENTS 4 +struct iio_val_int_plus_micro { + int integer; + int micro; +}; + struct iio_trigger; /* forward declaration */ /** diff --git a/include/linux/ima.h b/include/linux/ima.h index 5a0b2a285a18..86b57757c7b1 100644 --- a/include/linux/ima.h +++ b/include/linux/ima.h @@ -18,10 +18,11 @@ struct linux_binprm; extern enum hash_algo ima_get_current_hash_algo(void); extern int ima_bprm_check(struct linux_binprm *bprm); extern int ima_file_check(struct file *file, int mask); -extern void ima_post_create_tmpfile(struct user_namespace *mnt_userns, +extern void ima_post_create_tmpfile(struct mnt_idmap *idmap, struct inode *inode); extern void ima_file_free(struct file *file); -extern int ima_file_mmap(struct file *file, unsigned long prot); +extern int ima_file_mmap(struct file *file, unsigned long reqprot, + unsigned long prot, unsigned long flags); extern int ima_file_mprotect(struct vm_area_struct *vma, unsigned long prot); extern int ima_load_data(enum kernel_load_data_id id, bool contents); extern int ima_post_load_data(char *buf, loff_t size, @@ -30,7 +31,7 @@ extern int ima_read_file(struct file *file, enum kernel_read_file_id id, bool contents); extern int ima_post_read_file(struct file *file, void *buf, loff_t size, enum kernel_read_file_id id); -extern void ima_post_path_mknod(struct user_namespace *mnt_userns, +extern void ima_post_path_mknod(struct mnt_idmap *idmap, struct dentry *dentry); extern int ima_file_hash(struct file *file, char *buf, size_t buf_size); extern int ima_inode_hash(struct inode *inode, char *buf, size_t buf_size); @@ -66,7 +67,7 @@ static inline int ima_file_check(struct file *file, int mask) return 0; } -static inline void ima_post_create_tmpfile(struct user_namespace *mnt_userns, +static inline void ima_post_create_tmpfile(struct mnt_idmap *idmap, struct inode *inode) { } @@ -76,7 +77,8 @@ static inline void ima_file_free(struct file *file) return; } -static inline int ima_file_mmap(struct file *file, unsigned long prot) +static inline int ima_file_mmap(struct file *file, unsigned long reqprot, + unsigned long prot, unsigned long flags) { return 0; } @@ -111,7 +113,7 @@ static inline int ima_post_read_file(struct file *file, void *buf, loff_t size, return 0; } -static inline void ima_post_path_mknod(struct user_namespace *mnt_userns, +static inline void ima_post_path_mknod(struct mnt_idmap *idmap, struct dentry *dentry) { return; @@ -183,18 +185,18 @@ static inline void ima_post_key_create_or_update(struct key *keyring, #ifdef CONFIG_IMA_APPRAISE extern bool is_ima_appraise_enabled(void); -extern void ima_inode_post_setattr(struct user_namespace *mnt_userns, +extern void ima_inode_post_setattr(struct mnt_idmap *idmap, struct dentry *dentry); extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name, const void *xattr_value, size_t xattr_value_len); -extern int ima_inode_set_acl(struct user_namespace *mnt_userns, +extern int ima_inode_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name, struct posix_acl *kacl); -static inline int ima_inode_remove_acl(struct user_namespace *mnt_userns, +static inline int ima_inode_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { - return ima_inode_set_acl(mnt_userns, dentry, acl_name, NULL); + return ima_inode_set_acl(idmap, dentry, acl_name, NULL); } extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name); #else @@ -203,7 +205,7 @@ static inline bool is_ima_appraise_enabled(void) return 0; } -static inline void ima_inode_post_setattr(struct user_namespace *mnt_userns, +static inline void ima_inode_post_setattr(struct mnt_idmap *idmap, struct dentry *dentry) { return; @@ -217,7 +219,7 @@ static inline int ima_inode_setxattr(struct dentry *dentry, return 0; } -static inline int ima_inode_set_acl(struct user_namespace *mnt_userns, +static inline int ima_inode_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name, struct posix_acl *kacl) { @@ -231,7 +233,7 @@ static inline int ima_inode_removexattr(struct dentry *dentry, return 0; } -static inline int ima_inode_remove_acl(struct user_namespace *mnt_userns, +static inline int ima_inode_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { diff --git a/include/linux/intel-svm.h b/include/linux/intel-svm.h deleted file mode 100644 index f9a0d44f6fdb..000000000000 --- a/include/linux/intel-svm.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright © 2015 Intel Corporation. - * - * Authors: David Woodhouse <David.Woodhouse@intel.com> - */ - -#ifndef __INTEL_SVM_H__ -#define __INTEL_SVM_H__ - -/* Page Request Queue depth */ -#define PRQ_ORDER 4 -#define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x20) -#define PRQ_DEPTH ((0x1000 << PRQ_ORDER) >> 5) - -#endif /* __INTEL_SVM_H__ */ diff --git a/include/linux/intel_tcc.h b/include/linux/intel_tcc.h new file mode 100644 index 000000000000..f422612c28d6 --- /dev/null +++ b/include/linux/intel_tcc.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * header for Intel TCC (thermal control circuitry) library + * + * Copyright (C) 2022 Intel Corporation. + */ + +#ifndef __INTEL_TCC_H__ +#define __INTEL_TCC_H__ + +#include <linux/types.h> + +int intel_tcc_get_tjmax(int cpu); +int intel_tcc_get_offset(int cpu); +int intel_tcc_set_offset(int cpu, int offset); +int intel_tcc_get_temp(int cpu, bool pkg); + +#endif /* __INTEL_TCC_H__ */ diff --git a/include/linux/intel_tpmi.h b/include/linux/intel_tpmi.h new file mode 100644 index 000000000000..f505788c05da --- /dev/null +++ b/include/linux/intel_tpmi.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * intel_tpmi.h: Intel TPMI core external interface + */ + +#ifndef _INTEL_TPMI_H_ +#define _INTEL_TPMI_H_ + +/** + * struct intel_tpmi_plat_info - Platform information for a TPMI device instance + * @package_id: CPU Package id + * @bus_number: PCI bus number + * @device_number: PCI device number + * @function_number: PCI function number + * + * Structure to store platform data for a TPMI device instance. This + * struct is used to return data via tpmi_get_platform_data(). + */ +struct intel_tpmi_plat_info { + u8 package_id; + u8 bus_number; + u8 device_number; + u8 function_number; +}; + +struct intel_tpmi_plat_info *tpmi_get_platform_data(struct auxiliary_device *auxdev); +struct resource *tpmi_get_resource_at_index(struct auxiliary_device *auxdev, int index); +int tpmi_get_resource_count(struct auxiliary_device *auxdev); + +#endif diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index 128a67a40065..00689c12f6ab 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -58,7 +58,7 @@ struct io_uring_task { struct xarray xa; struct wait_queue_head wait; - atomic_t in_idle; + atomic_t in_cancel; atomic_t inflight_tracked; struct percpu_counter inflight; @@ -195,21 +195,23 @@ struct io_alloc_cache { struct io_ring_ctx { /* const or read-mostly hot data */ struct { - struct percpu_ref refs; - - struct io_rings *rings; unsigned int flags; - enum task_work_notify_mode notify_method; - unsigned int compat: 1; unsigned int drain_next: 1; unsigned int restricted: 1; unsigned int off_timeout_used: 1; unsigned int drain_active: 1; - unsigned int drain_disabled: 1; unsigned int has_evfd: 1; - unsigned int syscall_iopoll: 1; /* all CQEs should be posted only by the submitter task */ unsigned int task_complete: 1; + unsigned int syscall_iopoll: 1; + unsigned int poll_activated: 1; + unsigned int drain_disabled: 1; + unsigned int compat: 1; + + enum task_work_notify_mode notify_method; + struct io_rings *rings; + struct task_struct *submitter_task; + struct percpu_ref refs; } ____cacheline_aligned_in_smp; /* submission data */ @@ -293,6 +295,7 @@ struct io_ring_ctx { spinlock_t completion_lock; bool poll_multi_queue; + bool cq_waiting; /* * ->iopoll_list is protected by the ctx->uring_lock for @@ -318,9 +321,8 @@ struct io_ring_ctx { } ____cacheline_aligned_in_smp; /* Keep this last, we don't need it for the fast path */ - + struct wait_queue_head poll_wq; struct io_restriction restrictions; - struct task_struct *submitter_task; /* slow path rsrc auxilary data, used by update/register */ struct io_rsrc_node *rsrc_backup_node; @@ -357,6 +359,7 @@ struct io_ring_ctx { u32 iowq_limits[2]; bool iowq_limits_set; + struct callback_head poll_wq_task_work; struct list_head defer_list; unsigned sq_thread_idle; /* protected by ->completion_lock */ diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 0983dfc9a203..0f8123504e5e 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -13,6 +13,7 @@ struct address_space; struct fiemap_extent_info; struct inode; +struct iomap_iter; struct iomap_dio; struct iomap_writepage_ctx; struct iov_iter; @@ -58,8 +59,7 @@ struct vm_fault; #define IOMAP_F_SHARED (1U << 2) #define IOMAP_F_MERGED (1U << 3) #define IOMAP_F_BUFFER_HEAD (1U << 4) -#define IOMAP_F_ZONE_APPEND (1U << 5) -#define IOMAP_F_XATTR (1U << 6) +#define IOMAP_F_XATTR (1U << 5) /* * Flags set by the core iomap code during operations: @@ -85,7 +85,7 @@ struct vm_fault; */ #define IOMAP_NULL_ADDR -1ULL /* addr is not valid */ -struct iomap_page_ops; +struct iomap_folio_ops; struct iomap { u64 addr; /* disk offset of mapping, bytes */ @@ -97,7 +97,7 @@ struct iomap { struct dax_device *dax_dev; /* dax_dev for dax operations */ void *inline_data; void *private; /* filesystem private */ - const struct iomap_page_ops *page_ops; + const struct iomap_folio_ops *folio_ops; u64 validity_cookie; /* used with .iomap_valid() */ }; @@ -125,19 +125,20 @@ static inline bool iomap_inline_data_valid(const struct iomap *iomap) } /* - * When a filesystem sets page_ops in an iomap mapping it returns, page_prepare - * and page_done will be called for each page written to. This only applies to - * buffered writes as unbuffered writes will not typically have pages + * When a filesystem sets folio_ops in an iomap mapping it returns, get_folio + * and put_folio will be called for each folio written to. This only applies + * to buffered writes as unbuffered writes will not typically have folios * associated with them. * - * When page_prepare succeeds, page_done will always be called to do any - * cleanup work necessary. In that page_done call, @page will be NULL if the - * associated page could not be obtained. + * When get_folio succeeds, put_folio will always be called to do any + * cleanup work necessary. put_folio is responsible for unlocking and putting + * @folio. */ -struct iomap_page_ops { - int (*page_prepare)(struct inode *inode, loff_t pos, unsigned len); - void (*page_done)(struct inode *inode, loff_t pos, unsigned copied, - struct page *page); +struct iomap_folio_ops { + struct folio *(*get_folio)(struct iomap_iter *iter, loff_t pos, + unsigned len); + void (*put_folio)(struct inode *inode, loff_t pos, unsigned copied, + struct folio *folio); /* * Check that the cached iomap still maps correctly to the filesystem's @@ -260,6 +261,7 @@ int iomap_file_buffered_write_punch_delalloc(struct inode *inode, int iomap_read_folio(struct folio *folio, const struct iomap_ops *ops); void iomap_readahead(struct readahead_control *, const struct iomap_ops *ops); bool iomap_is_partially_uptodate(struct folio *, size_t from, size_t count); +struct folio *iomap_get_folio(struct iomap_iter *iter, loff_t pos); bool iomap_release_folio(struct folio *folio, gfp_t gfp_flags); void iomap_invalidate_folio(struct folio *folio, size_t offset, size_t len); int iomap_file_unshare(struct inode *inode, loff_t pos, loff_t len, diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 46e1347bfa22..6595454d4f48 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -120,7 +120,6 @@ static inline bool iommu_is_dma_domain(struct iommu_domain *domain) enum iommu_cap { IOMMU_CAP_CACHE_COHERENCY, /* IOMMU_CACHE is supported */ - IOMMU_CAP_INTR_REMAP, /* IOMMU supports interrupt isolation */ IOMMU_CAP_NOEXEC, /* IOMMU_NOEXEC flag */ IOMMU_CAP_PRE_BOOT_PROTECTION, /* Firmware says it used the IOMMU for DMA protection and we should too */ @@ -228,6 +227,9 @@ struct iommu_iotlb_gather { * @release_device: Remove device from iommu driver handling * @probe_finalize: Do final setup work after the device is added to an IOMMU * group and attached to the groups domain + * @set_platform_dma_ops: Returning control back to the platform DMA ops. This op + * is to support old IOMMU drivers, new drivers should use + * default domains, and the common IOMMU DMA ops. * @device_group: find iommu group for a particular device * @get_resv_regions: Request list of reserved regions for a device * @of_xlate: add OF master IDs to iommu grouping @@ -256,6 +258,7 @@ struct iommu_ops { struct iommu_device *(*probe_device)(struct device *dev); void (*release_device)(struct device *dev); void (*probe_finalize)(struct device *dev); + void (*set_platform_dma_ops)(struct device *dev); struct iommu_group *(*device_group)(struct device *dev); /* Request/Free a list of reserved regions for a device */ @@ -295,7 +298,6 @@ struct iommu_ops { * * EBUSY - device is attached to a domain and cannot be changed * * ENODEV - device specific errors, not able to be attached * * <others> - treated as ENODEV by the caller. Use is discouraged - * @detach_dev: detach an iommu domain from a device * @set_dev_pasid: set an iommu domain to a pasid of device * @map: map a physically contiguous memory region to an iommu domain * @map_pages: map a physically contiguous set of pages of the same size to @@ -316,7 +318,6 @@ struct iommu_ops { */ struct iommu_domain_ops { int (*attach_dev)(struct iommu_domain *domain, struct device *dev); - void (*detach_dev)(struct iommu_domain *domain, struct device *dev); int (*set_dev_pasid)(struct iommu_domain *domain, struct device *dev, ioasid_t pasid); @@ -401,6 +402,7 @@ struct iommu_fault_param { * @iommu_dev: IOMMU device this device is linked to * @priv: IOMMU Driver private data * @max_pasids: number of PASIDs this device can consume + * @attach_deferred: the dma domain attachment is deferred * * TODO: migrate other per device data pointers under iommu_dev_data, e.g. * struct iommu_group *iommu_group; @@ -413,6 +415,7 @@ struct dev_iommu { struct iommu_device *iommu_dev; void *priv; u32 max_pasids; + u32 attach_deferred:1; }; int iommu_device_register(struct iommu_device *iommu, @@ -455,6 +458,7 @@ static inline const struct iommu_ops *dev_iommu_ops(struct device *dev) extern int bus_iommu_probe(struct bus_type *bus); extern bool iommu_present(struct bus_type *bus); extern bool device_iommu_capable(struct device *dev, enum iommu_cap cap); +extern bool iommu_group_has_isolated_msi(struct iommu_group *group); extern struct iommu_domain *iommu_domain_alloc(struct bus_type *bus); extern struct iommu_group *iommu_group_get_by_id(int id); extern void iommu_domain_free(struct iommu_domain *domain); @@ -467,19 +471,15 @@ extern int iommu_sva_unbind_gpasid(struct iommu_domain *domain, extern struct iommu_domain *iommu_get_domain_for_dev(struct device *dev); extern struct iommu_domain *iommu_get_dma_domain(struct device *dev); extern int iommu_map(struct iommu_domain *domain, unsigned long iova, - phys_addr_t paddr, size_t size, int prot); -extern int iommu_map_atomic(struct iommu_domain *domain, unsigned long iova, - phys_addr_t paddr, size_t size, int prot); + phys_addr_t paddr, size_t size, int prot, gfp_t gfp); extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size); extern size_t iommu_unmap_fast(struct iommu_domain *domain, unsigned long iova, size_t size, struct iommu_iotlb_gather *iotlb_gather); extern ssize_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova, - struct scatterlist *sg, unsigned int nents, int prot); -extern ssize_t iommu_map_sg_atomic(struct iommu_domain *domain, - unsigned long iova, struct scatterlist *sg, - unsigned int nents, int prot); + struct scatterlist *sg, unsigned int nents, + int prot, gfp_t gfp); extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova); extern void iommu_set_fault_handler(struct iommu_domain *domain, iommu_fault_handler_t handler, void *token); @@ -773,14 +773,7 @@ static inline struct iommu_domain *iommu_get_domain_for_dev(struct device *dev) } static inline int iommu_map(struct iommu_domain *domain, unsigned long iova, - phys_addr_t paddr, size_t size, int prot) -{ - return -ENODEV; -} - -static inline int iommu_map_atomic(struct iommu_domain *domain, - unsigned long iova, phys_addr_t paddr, - size_t size, int prot) + phys_addr_t paddr, size_t size, int prot, gfp_t gfp) { return -ENODEV; } @@ -800,14 +793,7 @@ static inline size_t iommu_unmap_fast(struct iommu_domain *domain, static inline ssize_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova, struct scatterlist *sg, - unsigned int nents, int prot) -{ - return -ENODEV; -} - -static inline ssize_t iommu_map_sg_atomic(struct iommu_domain *domain, - unsigned long iova, struct scatterlist *sg, - unsigned int nents, int prot) + unsigned int nents, int prot, gfp_t gfp) { return -ENODEV; } @@ -1118,7 +1104,8 @@ iommu_get_domain_for_dev_pasid(struct device *dev, ioasid_t pasid, static inline size_t iommu_map_sgtable(struct iommu_domain *domain, unsigned long iova, struct sg_table *sgt, int prot) { - return iommu_map_sg(domain, iova, sgt->sgl, sgt->orig_nents, prot); + return iommu_map_sg(domain, iova, sgt->sgl, sgt->orig_nents, prot, + GFP_KERNEL); } #ifdef CONFIG_IOMMU_DEBUGFS diff --git a/include/linux/iommufd.h b/include/linux/iommufd.h index 650d45629647..c0b5b3ac34f1 100644 --- a/include/linux/iommufd.h +++ b/include/linux/iommufd.h @@ -57,7 +57,9 @@ void iommufd_access_unpin_pages(struct iommufd_access *access, unsigned long iova, unsigned long length); int iommufd_access_rw(struct iommufd_access *access, unsigned long iova, void *data, size_t len, unsigned int flags); -int iommufd_vfio_compat_ioas_id(struct iommufd_ctx *ictx, u32 *out_ioas_id); +int iommufd_vfio_compat_ioas_get_id(struct iommufd_ctx *ictx, u32 *out_ioas_id); +int iommufd_vfio_compat_ioas_create(struct iommufd_ctx *ictx); +int iommufd_vfio_compat_set_no_iommu(struct iommufd_ctx *ictx); #else /* !CONFIG_IOMMUFD */ static inline struct iommufd_ctx *iommufd_ctx_from_file(struct file *file) { @@ -89,8 +91,12 @@ static inline int iommufd_access_rw(struct iommufd_access *access, unsigned long return -EOPNOTSUPP; } -static inline int iommufd_vfio_compat_ioas_id(struct iommufd_ctx *ictx, - u32 *out_ioas_id) +static inline int iommufd_vfio_compat_ioas_create(struct iommufd_ctx *ictx) +{ + return -EOPNOTSUPP; +} + +static inline int iommufd_vfio_compat_set_no_iommu(struct iommufd_ctx *ictx) { return -EOPNOTSUPP; } diff --git a/include/linux/ip.h b/include/linux/ip.h index 3d9c6750af62..d11c25f5030a 100644 --- a/include/linux/ip.h +++ b/include/linux/ip.h @@ -35,4 +35,25 @@ static inline unsigned int ip_transport_len(const struct sk_buff *skb) { return ntohs(ip_hdr(skb)->tot_len) - skb_network_header_len(skb); } + +static inline unsigned int iph_totlen(const struct sk_buff *skb, const struct iphdr *iph) +{ + u32 len = ntohs(iph->tot_len); + + return (len || !skb_is_gso(skb) || !skb_is_gso_tcp(skb)) ? + len : skb->len - skb_network_offset(skb); +} + +static inline unsigned int skb_ip_totlen(const struct sk_buff *skb) +{ + return iph_totlen(skb, ip_hdr(skb)); +} + +/* IPv4 datagram length is stored into 16bit field (tot_len) */ +#define IP_MAX_MTU 0xFFFFU + +static inline void iph_set_totlen(struct iphdr *iph, unsigned int len) +{ + iph->tot_len = len <= IP_MAX_MTU ? htons(len) : 0; +} #endif /* _LINUX_IP_H */ diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index d320d15d4fba..51c254b7fec2 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -194,8 +194,10 @@ enum { /* Irq domain implements MSIs */ IRQ_DOMAIN_FLAG_MSI = (1 << 4), - /* Irq domain implements MSI remapping */ - IRQ_DOMAIN_FLAG_MSI_REMAP = (1 << 5), + /* + * Irq domain implements isolated MSI, see msi_device_has_isolated_msi() + */ + IRQ_DOMAIN_FLAG_ISOLATED_MSI = (1 << 5), /* Irq domain doesn't translate anything */ IRQ_DOMAIN_FLAG_NO_MAP = (1 << 6), @@ -278,7 +280,6 @@ struct irq_domain *irq_domain_create_legacy(struct fwnode_handle *fwnode, void *host_data); extern struct irq_domain *irq_find_matching_fwspec(struct irq_fwspec *fwspec, enum irq_domain_bus_token bus_token); -extern bool irq_domain_check_msi_remap(void); extern void irq_set_default_host(struct irq_domain *host); extern struct irq_domain *irq_get_default_host(void); extern int irq_domain_alloc_descs(int virq, unsigned int nr_irqs, @@ -561,13 +562,6 @@ static inline bool irq_domain_is_msi(struct irq_domain *domain) return domain->flags & IRQ_DOMAIN_FLAG_MSI; } -static inline bool irq_domain_is_msi_remap(struct irq_domain *domain) -{ - return domain->flags & IRQ_DOMAIN_FLAG_MSI_REMAP; -} - -extern bool irq_domain_hierarchical_is_msi_remap(struct irq_domain *domain); - static inline bool irq_domain_is_msi_parent(struct irq_domain *domain) { return domain->flags & IRQ_DOMAIN_FLAG_MSI_PARENT; @@ -613,17 +607,6 @@ static inline bool irq_domain_is_msi(struct irq_domain *domain) return false; } -static inline bool irq_domain_is_msi_remap(struct irq_domain *domain) -{ - return false; -} - -static inline bool -irq_domain_hierarchical_is_msi_remap(struct irq_domain *domain) -{ - return false; -} - static inline bool irq_domain_is_msi_parent(struct irq_domain *domain) { return false; @@ -643,10 +626,6 @@ static inline struct irq_domain *irq_find_matching_fwnode( { return NULL; } -static inline bool irq_domain_check_msi_remap(void) -{ - return false; -} #endif /* !CONFIG_IRQ_DOMAIN */ #endif /* _LINUX_IRQDOMAIN_H */ diff --git a/include/linux/ism.h b/include/linux/ism.h new file mode 100644 index 000000000000..ea2bcdae7401 --- /dev/null +++ b/include/linux/ism.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Internal Shared Memory + * + * Definitions for the ISM module + * + * Copyright IBM Corp. 2022 + */ +#ifndef _ISM_H +#define _ISM_H + +#include <linux/workqueue.h> + +struct ism_dmb { + u64 dmb_tok; + u64 rgid; + u32 dmb_len; + u32 sba_idx; + u32 vlan_valid; + u32 vlan_id; + void *cpu_addr; + dma_addr_t dma_addr; +}; + +/* Unless we gain unexpected popularity, this limit should hold for a while */ +#define MAX_CLIENTS 8 +#define ISM_NR_DMBS 1920 + +struct ism_dev { + spinlock_t lock; /* protects the ism device */ + struct list_head list; + struct pci_dev *pdev; + + struct ism_sba *sba; + dma_addr_t sba_dma_addr; + DECLARE_BITMAP(sba_bitmap, ISM_NR_DMBS); + u8 *sba_client_arr; /* entries are indices into 'clients' array */ + void *priv[MAX_CLIENTS]; + + struct ism_eq *ieq; + dma_addr_t ieq_dma_addr; + + struct device dev; + u64 local_gid; + int ieq_idx; + + atomic_t free_clients_cnt; + atomic_t add_dev_cnt; + wait_queue_head_t waitq; +}; + +struct ism_event { + u32 type; + u32 code; + u64 tok; + u64 time; + u64 info; +}; + +struct ism_client { + const char *name; + void (*add)(struct ism_dev *dev); + void (*remove)(struct ism_dev *dev); + void (*handle_event)(struct ism_dev *dev, struct ism_event *event); + /* Parameter dmbemask contains a bit vector with updated DMBEs, if sent + * via ism_move_data(). Callback function must handle all active bits + * indicated by dmbemask. + */ + void (*handle_irq)(struct ism_dev *dev, unsigned int bit, u16 dmbemask); + /* Private area - don't touch! */ + struct work_struct remove_work; + struct work_struct add_work; + struct ism_dev *tgt_ism; + u8 id; +}; + +int ism_register_client(struct ism_client *client); +int ism_unregister_client(struct ism_client *client); +static inline void *ism_get_priv(struct ism_dev *dev, + struct ism_client *client) { + return dev->priv[client->id]; +} + +static inline void ism_set_priv(struct ism_dev *dev, struct ism_client *client, + void *priv) { + dev->priv[client->id] = priv; +} + +int ism_register_dmb(struct ism_dev *dev, struct ism_dmb *dmb, + struct ism_client *client); +int ism_unregister_dmb(struct ism_dev *dev, struct ism_dmb *dmb); +int ism_move(struct ism_dev *dev, u64 dmb_tok, unsigned int idx, bool sf, + unsigned int offset, void *data, unsigned int size); +u8 *ism_get_seid(void); + +const struct smcd_ops *ism_get_smcd_ops(void); + +#endif /* _ISM_H */ diff --git a/include/linux/iversion.h b/include/linux/iversion.h index e27bd4f55d84..f174ff1b59ee 100644 --- a/include/linux/iversion.h +++ b/include/linux/iversion.h @@ -9,8 +9,26 @@ * --------------------------- * The change attribute (i_version) is mandated by NFSv4 and is mostly for * knfsd, but is also used for other purposes (e.g. IMA). The i_version must - * appear different to observers if there was a change to the inode's data or - * metadata since it was last queried. + * appear larger to observers if there was an explicit change to the inode's + * data or metadata since it was last queried. + * + * An explicit change is one that would ordinarily result in a change to the + * inode status change time (aka ctime). i_version must appear to change, even + * if the ctime does not (since the whole point is to avoid missing updates due + * to timestamp granularity). If POSIX or other relevant spec mandates that the + * ctime must change due to an operation, then the i_version counter must be + * incremented as well. + * + * Making the i_version update completely atomic with the operation itself would + * be prohibitively expensive. Traditionally the kernel has updated the times on + * directories after an operation that changes its contents. For regular files, + * the ctime is usually updated before the data is copied into the cache for a + * write. This means that there is a window of time when an observer can + * associate a new timestamp with old file contents. Since the purpose of the + * i_version is to allow for better cache coherency, the i_version must always + * be updated after the results of the operation are visible. Updating it before + * and after a change is also permitted. (Note that no filesystems currently do + * this. Fixing that is a work-in-progress). * * Observers see the i_version as a 64-bit number that never decreases. If it * remains the same since it was last checked, then nothing has changed in the @@ -234,42 +252,6 @@ inode_peek_iversion(const struct inode *inode) return inode_peek_iversion_raw(inode) >> I_VERSION_QUERIED_SHIFT; } -/** - * inode_query_iversion - read i_version for later use - * @inode: inode from which i_version should be read - * - * Read the inode i_version counter. This should be used by callers that wish - * to store the returned i_version for later comparison. This will guarantee - * that a later query of the i_version will result in a different value if - * anything has changed. - * - * In this implementation, we fetch the current value, set the QUERIED flag and - * then try to swap it into place with a cmpxchg, if it wasn't already set. If - * that fails, we try again with the newly fetched value from the cmpxchg. - */ -static inline u64 -inode_query_iversion(struct inode *inode) -{ - u64 cur, new; - - cur = inode_peek_iversion_raw(inode); - do { - /* If flag is already set, then no need to swap */ - if (cur & I_VERSION_QUERIED) { - /* - * This barrier (and the implicit barrier in the - * cmpxchg below) pairs with the barrier in - * inode_maybe_inc_iversion(). - */ - smp_mb(); - break; - } - - new = cur | I_VERSION_QUERIED; - } while (!atomic64_try_cmpxchg(&inode->i_version, &cur, new)); - return cur >> I_VERSION_QUERIED_SHIFT; -} - /* * For filesystems without any sort of change attribute, the best we can * do is fake one up from the ctime: @@ -283,6 +265,8 @@ static inline u64 time_to_chattr(struct timespec64 *t) return chattr; } +u64 inode_query_iversion(struct inode *inode); + /** * inode_eq_iversion_raw - check whether the raw i_version counter has changed * @inode: inode to check diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 2170e0cc279d..5962072a4b19 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1570,8 +1570,6 @@ extern int jbd2_journal_inode_ranged_write(handle_t *handle, extern int jbd2_journal_inode_ranged_wait(handle_t *handle, struct jbd2_inode *inode, loff_t start_byte, loff_t length); -extern int jbd2_journal_submit_inode_data_buffers( - struct jbd2_inode *jinode); extern int jbd2_journal_finish_inode_data_buffers( struct jbd2_inode *jinode); extern int jbd2_journal_begin_ordered_truncate(journal_t *journal, diff --git a/include/linux/kasan.h b/include/linux/kasan.h index 96c9d56e5510..f7ef70661ce2 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -96,15 +96,6 @@ static inline bool kasan_has_integrated_init(void) } #ifdef CONFIG_KASAN - -struct kasan_cache { -#ifdef CONFIG_KASAN_GENERIC - int alloc_meta_offset; - int free_meta_offset; -#endif - bool is_kmalloc; -}; - void __kasan_unpoison_range(const void *addr, size_t size); static __always_inline void kasan_unpoison_range(const void *addr, size_t size) { @@ -120,19 +111,13 @@ static __always_inline void kasan_poison_pages(struct page *page, __kasan_poison_pages(page, order, init); } -void __kasan_unpoison_pages(struct page *page, unsigned int order, bool init); -static __always_inline void kasan_unpoison_pages(struct page *page, +bool __kasan_unpoison_pages(struct page *page, unsigned int order, bool init); +static __always_inline bool kasan_unpoison_pages(struct page *page, unsigned int order, bool init) { if (kasan_enabled()) - __kasan_unpoison_pages(page, order, init); -} - -void __kasan_cache_create_kmalloc(struct kmem_cache *cache); -static __always_inline void kasan_cache_create_kmalloc(struct kmem_cache *cache) -{ - if (kasan_enabled()) - __kasan_cache_create_kmalloc(cache); + return __kasan_unpoison_pages(page, order, init); + return false; } void __kasan_poison_slab(struct slab *slab); @@ -249,9 +234,11 @@ static __always_inline bool kasan_check_byte(const void *addr) static inline void kasan_unpoison_range(const void *address, size_t size) {} static inline void kasan_poison_pages(struct page *page, unsigned int order, bool init) {} -static inline void kasan_unpoison_pages(struct page *page, unsigned int order, - bool init) {} -static inline void kasan_cache_create_kmalloc(struct kmem_cache *cache) {} +static inline bool kasan_unpoison_pages(struct page *page, unsigned int order, + bool init) +{ + return false; +} static inline void kasan_poison_slab(struct slab *slab) {} static inline void kasan_unpoison_object_data(struct kmem_cache *cache, void *object) {} @@ -302,6 +289,11 @@ static inline void kasan_unpoison_task_stack(struct task_struct *task) {} #ifdef CONFIG_KASAN_GENERIC +struct kasan_cache { + int alloc_meta_offset; + int free_meta_offset; +}; + size_t kasan_metadata_size(struct kmem_cache *cache, bool in_object); slab_flags_t kasan_never_merge(void); void kasan_cache_create(struct kmem_cache *cache, unsigned int *size, diff --git a/include/linux/kernel.h b/include/linux/kernel.h index fe6efb24d151..40bce7495af8 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -297,7 +297,7 @@ bool mac_pton(const char *s, u8 *mac); * * Use tracing_on/tracing_off when you want to quickly turn on or off * tracing. It simply enables or disables the recording of the trace events. - * This also corresponds to the user space /sys/kernel/debug/tracing/tracing_on + * This also corresponds to the user space /sys/kernel/tracing/tracing_on * file, which gives a means for the kernel and userspace to interact. * Place a tracing_off() in the kernel where you want tracing to end. * From user space, examine the trace, and then echo 1 > tracing_on diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index ddb5a358fd82..9935f7ecbfb9 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -52,6 +52,7 @@ DECLARE_PER_CPU(struct kernel_cpustat, kernel_cpustat); #define kstat_cpu(cpu) per_cpu(kstat, cpu) #define kcpustat_cpu(cpu) per_cpu(kernel_cpustat, cpu) +extern unsigned long long nr_context_switches_cpu(int cpu); extern unsigned long long nr_context_switches(void); extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu); @@ -67,6 +68,17 @@ static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu) return kstat_cpu(cpu).softirqs[irq]; } +static inline unsigned int kstat_cpu_softirqs_sum(int cpu) +{ + int i; + unsigned int sum = 0; + + for (i = 0; i < NR_SOFTIRQS; i++) + sum += kstat_softirqs_cpu(i, cpu); + + return sum; +} + /* * Number of interrupts per specific IRQ source, since bootup */ @@ -75,7 +87,7 @@ extern unsigned int kstat_irqs_usr(unsigned int irq); /* * Number of interrupts per cpu, since bootup */ -static inline unsigned int kstat_cpu_irqs_sum(unsigned int cpu) +static inline unsigned long kstat_cpu_irqs_sum(unsigned int cpu) { return kstat_cpu(cpu).irqs_sum; } diff --git a/include/linux/kexec.h b/include/linux/kexec.h index 5dd4343c1bbe..6883c5922701 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -403,7 +403,8 @@ extern int kimage_crash_copy_vmcoreinfo(struct kimage *image); extern struct kimage *kexec_image; extern struct kimage *kexec_crash_image; -extern int kexec_load_disabled; + +bool kexec_load_permitted(int kexec_image_type); #ifndef kexec_flush_icache_page #define kexec_flush_icache_page(page) diff --git a/include/linux/key.h b/include/linux/key.h index d27477faf00d..8dc7f7c3088b 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -386,6 +386,14 @@ extern int wait_for_key_construction(struct key *key, bool intr); extern int key_validate(const struct key *key); +extern key_ref_t key_create(key_ref_t keyring, + const char *type, + const char *description, + const void *payload, + size_t plen, + key_perm_t perm, + unsigned long flags); + extern key_ref_t key_create_or_update(key_ref_t keyring, const char *type, const char *description, diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 58a5b75612e3..bdab370a24f4 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -137,7 +137,7 @@ struct kobj_uevent_env { struct kset_uevent_ops { int (* const filter)(const struct kobject *kobj); const char *(* const name)(const struct kobject *kobj); - int (* const uevent)(struct kobject *kobj, struct kobj_uevent_env *env); + int (* const uevent)(const struct kobject *kobj, struct kobj_uevent_env *env); }; struct kobj_attribute { diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index a0b92be98984..85a64cb95d75 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -378,6 +378,8 @@ extern void opt_pre_handler(struct kprobe *p, struct pt_regs *regs); DEFINE_INSN_CACHE_OPS(optinsn); extern void wait_for_kprobe_optimizer(void); +bool optprobe_queued_unopt(struct optimized_kprobe *op); +bool kprobe_disarmed(struct kprobe *p); #else /* !CONFIG_OPTPROBES */ static inline void wait_for_kprobe_optimizer(void) { } #endif /* CONFIG_OPTPROBES */ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 4f26b244f6d0..8ada23756b0e 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -324,7 +324,7 @@ struct kvm_vcpu { #endif int cpu; int vcpu_id; /* id given by userspace at creation */ - int vcpu_idx; /* index in kvm->vcpus array */ + int vcpu_idx; /* index into kvm->vcpu_array */ int ____srcu_idx; /* Don't use this directly. You've been warned. */ #ifdef CONFIG_PROVE_RCU int srcu_depth; @@ -956,8 +956,7 @@ static inline void kvm_irqfd_exit(void) { } #endif -int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, - struct module *module); +int kvm_init(unsigned vcpu_size, unsigned vcpu_align, struct module *module); void kvm_exit(void); void kvm_get_kvm(struct kvm *kvm); @@ -1354,7 +1353,7 @@ void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu); bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu); void kvm_vcpu_kick(struct kvm_vcpu *vcpu); int kvm_vcpu_yield_to(struct kvm_vcpu *target); -void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu, bool usermode_vcpu_not_eligible); +void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu, bool yield_to_kernel_mode); void kvm_flush_remote_tlbs(struct kvm *kvm); @@ -1423,9 +1422,6 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, struct kvm_guest_debug *dbg); int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu); -int kvm_arch_init(void *opaque); -void kvm_arch_exit(void); - void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu); void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); @@ -1445,11 +1441,10 @@ void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu, struct dentry *debugfs_ static inline void kvm_create_vcpu_debugfs(struct kvm_vcpu *vcpu) {} #endif +#ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING int kvm_arch_hardware_enable(void); void kvm_arch_hardware_disable(void); -int kvm_arch_hardware_setup(void *opaque); -void kvm_arch_hardware_unsetup(void); -int kvm_arch_check_processor_compat(void *opaque); +#endif int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu); bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu); int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu); @@ -1466,7 +1461,7 @@ int kvm_arch_create_vm_debugfs(struct kvm *kvm); */ static inline struct kvm *kvm_arch_alloc_vm(void) { - return kzalloc(sizeof(struct kvm), GFP_KERNEL); + return kzalloc(sizeof(struct kvm), GFP_KERNEL_ACCOUNT); } #endif @@ -2081,7 +2076,9 @@ static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu) } } +#ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING extern bool kvm_rebooting; +#endif extern unsigned int halt_poll_ns; extern unsigned int halt_poll_ns_grow; diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h index 76de36e56cdf..2728d49bbdf6 100644 --- a/include/linux/kvm_types.h +++ b/include/linux/kvm_types.h @@ -40,7 +40,7 @@ typedef unsigned long gva_t; typedef u64 gpa_t; typedef u64 gfn_t; -#define GPA_INVALID (~(gpa_t)0) +#define INVALID_GPA (~(gpa_t)0) typedef unsigned long hva_t; typedef u64 hpa_t; diff --git a/include/linux/leds.h b/include/linux/leds.h index ba4861ec73d3..d71201a968b6 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -10,17 +10,21 @@ #include <dt-bindings/leds/common.h> #include <linux/device.h> -#include <linux/kernfs.h> -#include <linux/list.h> #include <linux/mutex.h> #include <linux/rwsem.h> #include <linux/spinlock.h> #include <linux/timer.h> +#include <linux/types.h> #include <linux/workqueue.h> -struct device; -struct led_pattern; +struct attribute_group; struct device_node; +struct fwnode_handle; +struct gpio_desc; +struct kernfs_node; +struct led_pattern; +struct platform_device; + /* * LED Core */ @@ -39,6 +43,21 @@ enum led_default_state { LEDS_DEFSTATE_KEEP = 2, }; +/** + * struct led_lookup_data - represents a single LED lookup entry + * + * @list: internal list of all LED lookup entries + * @provider: name of led_classdev providing the LED + * @dev_id: name of the device associated with this LED + * @con_id: name of the LED from the device's point of view + */ +struct led_lookup_data { + struct list_head list; + const char *provider; + const char *dev_id; + const char *con_id; +}; + struct led_init_data { /* device fwnode handle */ struct fwnode_handle *fwnode; @@ -63,6 +82,8 @@ struct led_init_data { bool devname_mandatory; }; +enum led_default_state led_init_default_state_get(struct fwnode_handle *fwnode); + struct led_hw_trigger_type { int dummy; }; @@ -211,6 +232,12 @@ void devm_led_classdev_unregister(struct device *parent, void led_classdev_suspend(struct led_classdev *led_cdev); void led_classdev_resume(struct led_classdev *led_cdev); +void led_add_lookup(struct led_lookup_data *led_lookup); +void led_remove_lookup(struct led_lookup_data *led_lookup); + +struct led_classdev *__must_check led_get(struct device *dev, char *con_id); +struct led_classdev *__must_check devm_led_get(struct device *dev, char *con_id); + extern struct led_classdev *of_led_get(struct device_node *np, int index); extern void led_put(struct led_classdev *led_cdev); struct led_classdev *__must_check devm_of_led_get(struct device *dev, @@ -508,7 +535,6 @@ struct led_properties { const char *label; }; -struct gpio_desc; typedef int (*gpio_blink_set_t)(struct gpio_desc *desc, int state, unsigned long *delay_on, unsigned long *delay_off); diff --git a/include/linux/libata.h b/include/linux/libata.h index c9149ebe7423..a759dfbdcc91 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -90,32 +90,32 @@ enum { ATA_DFLAG_ACPI_FAILED = (1 << 6), /* ACPI on devcfg has failed */ ATA_DFLAG_AN = (1 << 7), /* AN configured */ ATA_DFLAG_TRUSTED = (1 << 8), /* device supports trusted send/recv */ + ATA_DFLAG_FUA = (1 << 9), /* device supports FUA */ ATA_DFLAG_DMADIR = (1 << 10), /* device requires DMADIR */ - ATA_DFLAG_CFG_MASK = (1 << 12) - 1, + ATA_DFLAG_NCQ_SEND_RECV = (1 << 11), /* device supports NCQ SEND and RECV */ + ATA_DFLAG_NCQ_PRIO = (1 << 12), /* device supports NCQ priority */ + ATA_DFLAG_CFG_MASK = (1 << 13) - 1, - ATA_DFLAG_PIO = (1 << 12), /* device limited to PIO mode */ - ATA_DFLAG_NCQ_OFF = (1 << 13), /* device limited to non-NCQ mode */ + ATA_DFLAG_PIO = (1 << 13), /* device limited to PIO mode */ + ATA_DFLAG_NCQ_OFF = (1 << 14), /* device limited to non-NCQ mode */ ATA_DFLAG_SLEEPING = (1 << 15), /* device is sleeping */ ATA_DFLAG_DUBIOUS_XFER = (1 << 16), /* data transfer not verified */ ATA_DFLAG_NO_UNLOAD = (1 << 17), /* device doesn't support unload */ ATA_DFLAG_UNLOCK_HPA = (1 << 18), /* unlock HPA */ - ATA_DFLAG_NCQ_SEND_RECV = (1 << 19), /* device supports NCQ SEND and RECV */ - ATA_DFLAG_NCQ_PRIO = (1 << 20), /* device supports NCQ priority */ - ATA_DFLAG_NCQ_PRIO_ENABLED = (1 << 21), /* Priority cmds sent to dev */ - ATA_DFLAG_INIT_MASK = (1 << 24) - 1, + ATA_DFLAG_INIT_MASK = (1 << 19) - 1, + ATA_DFLAG_NCQ_PRIO_ENABLED = (1 << 19), /* Priority cmds sent to dev */ ATA_DFLAG_DETACH = (1 << 24), ATA_DFLAG_DETACHED = (1 << 25), - ATA_DFLAG_DA = (1 << 26), /* device supports Device Attention */ ATA_DFLAG_DEVSLP = (1 << 27), /* device supports Device Sleep */ ATA_DFLAG_ACPI_DISABLED = (1 << 28), /* ACPI for the device is disabled */ ATA_DFLAG_D_SENSE = (1 << 29), /* Descriptor sense requested */ ATA_DFLAG_ZAC = (1 << 30), /* ZAC device */ - ATA_DFLAG_FEATURES_MASK = ATA_DFLAG_TRUSTED | ATA_DFLAG_DA | \ - ATA_DFLAG_DEVSLP | ATA_DFLAG_NCQ_SEND_RECV | \ - ATA_DFLAG_NCQ_PRIO, + ATA_DFLAG_FEATURES_MASK = (ATA_DFLAG_TRUSTED | ATA_DFLAG_DA | \ + ATA_DFLAG_DEVSLP | ATA_DFLAG_NCQ_SEND_RECV | \ + ATA_DFLAG_NCQ_PRIO | ATA_DFLAG_FUA), ATA_DEV_UNKNOWN = 0, /* unknown device */ ATA_DEV_ATA = 1, /* ATA device */ @@ -200,13 +200,14 @@ enum { /* struct ata_queued_cmd flags */ ATA_QCFLAG_ACTIVE = (1 << 0), /* cmd not yet ack'd to scsi lyer */ ATA_QCFLAG_DMAMAP = (1 << 1), /* SG table is DMA mapped */ + ATA_QCFLAG_RTF_FILLED = (1 << 2), /* result TF has been filled */ ATA_QCFLAG_IO = (1 << 3), /* standard IO command */ ATA_QCFLAG_RESULT_TF = (1 << 4), /* result TF requested */ ATA_QCFLAG_CLEAR_EXCL = (1 << 5), /* clear excl_link on completion */ ATA_QCFLAG_QUIET = (1 << 6), /* don't report device error */ ATA_QCFLAG_RETRY = (1 << 7), /* retry after failure */ - ATA_QCFLAG_FAILED = (1 << 16), /* cmd failed and is owned by EH */ + ATA_QCFLAG_EH = (1 << 16), /* cmd aborted and owned by EH */ ATA_QCFLAG_SENSE_VALID = (1 << 17), /* sense data valid */ ATA_QCFLAG_EH_SCHEDULED = (1 << 18), /* EH scheduled (obsolete) */ @@ -381,6 +382,7 @@ enum { ATA_HORKAGE_NO_NCQ_ON_ATI = (1 << 27), /* Disable NCQ on ATI chipset */ ATA_HORKAGE_NO_ID_DEV_LOG = (1 << 28), /* Identify device log missing */ ATA_HORKAGE_NO_LOG_DIR = (1 << 29), /* Do not read log directory */ + ATA_HORKAGE_NO_FUA = (1 << 30), /* Do not use FUA */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ @@ -876,7 +878,8 @@ struct ata_port_operations { int (*check_atapi_dma)(struct ata_queued_cmd *qc); enum ata_completion_errors (*qc_prep)(struct ata_queued_cmd *qc); unsigned int (*qc_issue)(struct ata_queued_cmd *qc); - bool (*qc_fill_rtf)(struct ata_queued_cmd *qc); + void (*qc_fill_rtf)(struct ata_queued_cmd *qc); + void (*qc_ncq_fill_rtf)(struct ata_port *ap, u64 done_mask); /* * Configuration and exception handling @@ -1690,21 +1693,35 @@ extern struct ata_device *ata_dev_next(struct ata_device *dev, (dev) = ata_dev_next((dev), (link), ATA_DITER_##mode)) /** - * ata_ncq_enabled - Test whether NCQ is enabled - * @dev: ATA device to test for + * ata_ncq_supported - Test whether NCQ is supported + * @dev: ATA device to test * * LOCKING: * spin_lock_irqsave(host lock) * * RETURNS: - * 1 if NCQ is enabled for @dev, 0 otherwise. + * true if @dev supports NCQ, false otherwise. */ -static inline int ata_ncq_enabled(struct ata_device *dev) +static inline bool ata_ncq_supported(struct ata_device *dev) { if (!IS_ENABLED(CONFIG_SATA_HOST)) - return 0; - return (dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF | - ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ; + return false; + return (dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ; +} + +/** + * ata_ncq_enabled - Test whether NCQ is enabled + * @dev: ATA device to test + * + * LOCKING: + * spin_lock_irqsave(host lock) + * + * RETURNS: + * true if NCQ is enabled for @dev, false otherwise. + */ +static inline bool ata_ncq_enabled(struct ata_device *dev) +{ + return ata_ncq_supported(dev) && !(dev->flags & ATA_DFLAG_NCQ_OFF); } static inline bool ata_fpdma_dsm_supported(struct ata_device *dev) @@ -1756,7 +1773,7 @@ static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap, return qc; if ((qc->flags & (ATA_QCFLAG_ACTIVE | - ATA_QCFLAG_FAILED)) == ATA_QCFLAG_ACTIVE) + ATA_QCFLAG_EH)) == ATA_QCFLAG_ACTIVE) return qc; return NULL; @@ -1936,7 +1953,7 @@ extern void ata_sff_queue_delayed_work(struct delayed_work *dwork, unsigned long delay); extern void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay); extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc); -extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc); +extern void ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc); extern unsigned int ata_sff_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc); extern irqreturn_t ata_sff_interrupt(int irq, void *dev_instance); diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index af38252ad704..e772aae71843 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -41,6 +41,9 @@ enum { */ NDD_INCOHERENT = 7, + /* dimm provider wants synchronous registration by __nvdimm_create() */ + NDD_REGISTER_SYNC = 8, + /* need to set a limit somewhere, but yes, this is likely overkill */ ND_IOCTL_MAX_BUFLEN = SZ_4M, ND_CMD_MAX_ELEM = 5, diff --git a/include/linux/list.h b/include/linux/list.h index 61762054b4be..f10344dbad4d 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -656,6 +656,21 @@ static inline void list_splice_tail_init(struct list_head *list, pos = n, n = pos->prev) /** + * list_count_nodes - count nodes in the list + * @head: the head for your list. + */ +static inline size_t list_count_nodes(struct list_head *head) +{ + struct list_head *pos; + size_t count = 0; + + list_for_each(pos, head) + count++; + + return count; +} + +/** * list_entry_is_head - test if the entry points to the head of the list * @pos: the type * to cursor * @head: the head for your list. diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index 70ce419e2709..0168ac9fdda8 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -196,9 +196,9 @@ struct nlm_block { * Global variables */ extern const struct rpc_program nlm_program; -extern const struct svc_procedure nlmsvc_procedures[]; +extern const struct svc_procedure nlmsvc_procedures[24]; #ifdef CONFIG_LOCKD_V4 -extern const struct svc_procedure nlmsvc_procedures4[]; +extern const struct svc_procedure nlmsvc_procedures4[24]; #endif extern int nlmsvc_grace_period; extern unsigned long nlmsvc_timeout; @@ -312,7 +312,7 @@ static inline struct file *nlmsvc_file_file(struct nlm_file *file) static inline struct inode *nlmsvc_file_inode(struct nlm_file *file) { - return locks_inode(nlmsvc_file_file(file)); + return file_inode(nlmsvc_file_file(file)); } static inline int __nlm_privileged_request4(const struct sockaddr *sap) @@ -372,7 +372,7 @@ static inline int nlm_privileged_requester(const struct svc_rqst *rqstp) static inline int nlm_compare_locks(const struct file_lock *fl1, const struct file_lock *fl2) { - return locks_inode(fl1->fl_file) == locks_inode(fl2->fl_file) + return file_inode(fl1->fl_file) == file_inode(fl2->fl_file) && fl1->fl_pid == fl2->fl_pid && fl1->fl_owner == fl2->fl_owner && fl1->fl_start == fl2->fl_start diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h index 67e4a2c5500b..b60fbcd8cdfa 100644 --- a/include/linux/lockd/xdr.h +++ b/include/linux/lockd/xdr.h @@ -11,6 +11,7 @@ #define LOCKD_XDR_H #include <linux/fs.h> +#include <linux/filelock.h> #include <linux/nfs.h> #include <linux/sunrpc/xdr.h> diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 1f1099dac3f0..1023f349af71 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -435,7 +435,6 @@ enum xhlock_context_t { XHLOCK_CTX_NR, }; -#define lockdep_init_map_crosslock(m, n, k, s) do {} while (0) /* * To initialize a lockdep_map statically use this macro. * Note that _name must not be NULL. diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index ed6cb2ac55fa..094b76dc7164 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -136,25 +136,25 @@ LSM_HOOK(int, 0, inode_follow_link, struct dentry *dentry, struct inode *inode, LSM_HOOK(int, 0, inode_permission, struct inode *inode, int mask) LSM_HOOK(int, 0, inode_setattr, struct dentry *dentry, struct iattr *attr) LSM_HOOK(int, 0, inode_getattr, const struct path *path) -LSM_HOOK(int, 0, inode_setxattr, struct user_namespace *mnt_userns, +LSM_HOOK(int, 0, inode_setxattr, struct mnt_idmap *idmap, struct dentry *dentry, const char *name, const void *value, size_t size, int flags) LSM_HOOK(void, LSM_RET_VOID, inode_post_setxattr, struct dentry *dentry, const char *name, const void *value, size_t size, int flags) LSM_HOOK(int, 0, inode_getxattr, struct dentry *dentry, const char *name) LSM_HOOK(int, 0, inode_listxattr, struct dentry *dentry) -LSM_HOOK(int, 0, inode_removexattr, struct user_namespace *mnt_userns, +LSM_HOOK(int, 0, inode_removexattr, struct mnt_idmap *idmap, struct dentry *dentry, const char *name) -LSM_HOOK(int, 0, inode_set_acl, struct user_namespace *mnt_userns, +LSM_HOOK(int, 0, inode_set_acl, struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name, struct posix_acl *kacl) -LSM_HOOK(int, 0, inode_get_acl, struct user_namespace *mnt_userns, +LSM_HOOK(int, 0, inode_get_acl, struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) -LSM_HOOK(int, 0, inode_remove_acl, struct user_namespace *mnt_userns, +LSM_HOOK(int, 0, inode_remove_acl, struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) LSM_HOOK(int, 0, inode_need_killpriv, struct dentry *dentry) -LSM_HOOK(int, 0, inode_killpriv, struct user_namespace *mnt_userns, +LSM_HOOK(int, 0, inode_killpriv, struct mnt_idmap *idmap, struct dentry *dentry) -LSM_HOOK(int, -EOPNOTSUPP, inode_getsecurity, struct user_namespace *mnt_userns, +LSM_HOOK(int, -EOPNOTSUPP, inode_getsecurity, struct mnt_idmap *idmap, struct inode *inode, const char *name, void **buffer, bool alloc) LSM_HOOK(int, -EOPNOTSUPP, inode_setsecurity, struct inode *inode, const char *name, const void *value, size_t size, int flags) diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index 0a5ba81f7367..6e156d2acffc 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -475,7 +475,7 @@ * @inode_killpriv: * The setuid bit is being removed. Remove similar security labels. * Called with the dentry->d_inode->i_mutex held. - * @mnt_userns: user namespace of the mount. + * @idmap: idmap of the mount. * @dentry is the dentry being changed. * Return 0 on success. If error is returned, then the operation * causing setuid bit removal is failed. diff --git a/include/linux/maple_tree.h b/include/linux/maple_tree.h index e594db58a0f1..1fadb5f5978b 100644 --- a/include/linux/maple_tree.h +++ b/include/linux/maple_tree.h @@ -12,7 +12,6 @@ #include <linux/rcupdate.h> #include <linux/spinlock.h> /* #define CONFIG_MAPLE_RCU_DISABLED */ -/* #define CONFIG_DEBUG_MAPLE_TREE_VERBOSE */ /* * Allocated nodes are mutable until they have been inserted into the tree, @@ -433,6 +432,7 @@ struct ma_wr_state { .min = 0, \ .max = ULONG_MAX, \ .alloc = NULL, \ + .mas_flags = 0, \ } #define MA_WR_STATE(name, ma_state, wr_entry) \ @@ -456,7 +456,7 @@ int mas_store_gfp(struct ma_state *mas, void *entry, gfp_t gfp); void mas_store_prealloc(struct ma_state *mas, void *entry); void *mas_find(struct ma_state *mas, unsigned long max); void *mas_find_rev(struct ma_state *mas, unsigned long min); -int mas_preallocate(struct ma_state *mas, void *entry, gfp_t gfp); +int mas_preallocate(struct ma_state *mas, gfp_t gfp); bool mas_is_err(struct ma_state *mas); bool mas_nomem(struct ma_state *mas, gfp_t gfp); @@ -471,6 +471,16 @@ void *mas_next(struct ma_state *mas, unsigned long max); int mas_empty_area(struct ma_state *mas, unsigned long min, unsigned long max, unsigned long size); +static inline void mas_init(struct ma_state *mas, struct maple_tree *tree, + unsigned long addr) +{ + memset(mas, 0, sizeof(struct ma_state)); + mas->tree = tree; + mas->index = mas->last = addr; + mas->max = ULONG_MAX; + mas->node = MAS_START; +} + /* Checks if a mas has not found anything */ static inline bool mas_is_none(struct ma_state *mas) { @@ -483,9 +493,6 @@ static inline bool mas_is_paused(struct ma_state *mas) return mas->node == MAS_PAUSE; } -void mas_dup_tree(struct ma_state *oldmas, struct ma_state *mas); -void mas_dup_store(struct ma_state *mas, void *entry); - /* * This finds an empty area from the highest address to the lowest. * AKA "Topdown" version, @@ -517,7 +524,6 @@ static inline void mas_reset(struct ma_state *mas) * entry. * * Note: may return the zero entry. - * */ #define mas_for_each(__mas, __entry, __max) \ while (((__entry) = mas_find((__mas), (__max))) != NULL) @@ -639,7 +645,6 @@ static inline void mt_set_in_rcu(struct maple_tree *mt) } static inline unsigned int mt_height(const struct maple_tree *mt) - { return (mt->ma_flags & MT_FLAGS_HEIGHT_MASK) >> MT_FLAGS_HEIGHT_OFFSET; } diff --git a/include/linux/math64.h b/include/linux/math64.h index 8958f4c005c1..8b9191a2849e 100644 --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -161,7 +161,7 @@ static inline u64 mul_u32_u32(u32 a, u32 b) #if defined(CONFIG_ARCH_SUPPORTS_INT128) && defined(__SIZEOF_INT128__) #ifndef mul_u64_u32_shr -static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) +static __always_inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) { return (u64)(((unsigned __int128)a * mul) >> shift); } @@ -177,7 +177,7 @@ static inline u64 mul_u64_u64_shr(u64 a, u64 mul, unsigned int shift) #else #ifndef mul_u64_u32_shr -static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) +static __always_inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift) { u32 ah, al; u64 ret; diff --git a/include/linux/mcb.h b/include/linux/mcb.h index f6efb16f9d1b..1e5893138afe 100644 --- a/include/linux/mcb.h +++ b/include/linux/mcb.h @@ -76,10 +76,7 @@ struct mcb_device { struct device *dma_dev; }; -static inline struct mcb_device *to_mcb_device(struct device *dev) -{ - return container_of(dev, struct mcb_device, dev); -} +#define to_mcb_device(__dev) container_of_const(__dev, struct mcb_device, dev) /** * struct mcb_driver - MEN Chameleon Bus device driver diff --git a/include/linux/mdio-bitbang.h b/include/linux/mdio-bitbang.h index 373630fe5c28..cffabdbce075 100644 --- a/include/linux/mdio-bitbang.h +++ b/include/linux/mdio-bitbang.h @@ -38,8 +38,10 @@ struct mdiobb_ctrl { u8 op_c22_write; }; -int mdiobb_read(struct mii_bus *bus, int phy, int reg); -int mdiobb_write(struct mii_bus *bus, int phy, int reg, u16 val); +int mdiobb_read_c22(struct mii_bus *bus, int phy, int reg); +int mdiobb_write_c22(struct mii_bus *bus, int phy, int reg, u16 val); +int mdiobb_read_c45(struct mii_bus *bus, int devad, int phy, int reg); +int mdiobb_write_c45(struct mii_bus *bus, int devad, int phy, int reg, u16 val); /* The returned bus is not yet registered with the phy layer. */ struct mii_bus *alloc_mdio_bitbang(struct mdiobb_ctrl *ctrl); diff --git a/include/linux/mdio.h b/include/linux/mdio.h index f7fbbf3069e7..27013d6bf24a 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -10,14 +10,6 @@ #include <linux/bitfield.h> #include <linux/mod_devicetable.h> -/* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit - * IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. - */ -#define MII_ADDR_C45 (1<<30) -#define MII_DEVADDR_C45_SHIFT 16 -#define MII_DEVADDR_C45_MASK GENMASK(20, 16) -#define MII_REGADDR_C45_MASK GENMASK(15, 0) - struct gpio_desc; struct mii_bus; struct reset_control; @@ -410,6 +402,90 @@ static inline u32 linkmode_adv_to_mii_t1_adv_m_t(unsigned long *advertising) return result; } +/** + * mii_eee_cap1_mod_linkmode_t() + * @adv: target the linkmode advertisement settings + * @val: register value + * + * A function that translates value of following registers to the linkmode: + * IEEE 802.3-2018 45.2.3.10 "EEE control and capability 1" register (3.20) + * IEEE 802.3-2018 45.2.7.13 "EEE advertisement 1" register (7.60) + * IEEE 802.3-2018 45.2.7.14 "EEE "link partner ability 1 register (7.61) + */ +static inline void mii_eee_cap1_mod_linkmode_t(unsigned long *adv, u32 val) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, + adv, val & MDIO_EEE_100TX); + linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + adv, val & MDIO_EEE_1000T); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + adv, val & MDIO_EEE_10GT); + linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, + adv, val & MDIO_EEE_1000KX); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, + adv, val & MDIO_EEE_10GKX4); + linkmode_mod_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, + adv, val & MDIO_EEE_10GKR); +} + +/** + * linkmode_to_mii_eee_cap1_t() + * @adv: the linkmode advertisement settings + * + * A function that translates linkmode to value for IEEE 802.3-2018 45.2.7.13 + * "EEE advertisement 1" register (7.60) + */ +static inline u32 linkmode_to_mii_eee_cap1_t(unsigned long *adv) +{ + u32 result = 0; + + if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, adv)) + result |= MDIO_EEE_100TX; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, adv)) + result |= MDIO_EEE_1000T; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseT_Full_BIT, adv)) + result |= MDIO_EEE_10GT; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, adv)) + result |= MDIO_EEE_1000KX; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, adv)) + result |= MDIO_EEE_10GKX4; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, adv)) + result |= MDIO_EEE_10GKR; + + return result; +} + +/** + * mii_10base_t1_adv_mod_linkmode_t() + * @adv: linkmode advertisement settings + * @val: register value + * + * A function that translates IEEE 802.3cg-2019 45.2.7.26 "10BASE-T1 AN status" + * register (7.527) value to the linkmode. + */ +static inline void mii_10base_t1_adv_mod_linkmode_t(unsigned long *adv, u16 val) +{ + linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, + adv, val & MDIO_AN_10BT1_AN_CTRL_ADV_EEE_T1L); +} + +/** + * linkmode_adv_to_mii_10base_t1_t() + * @adv: linkmode advertisement settings + * + * A function that translates the linkmode to IEEE 802.3cg-2019 45.2.7.25 + * "10BASE-T1 AN control" register (7.526) value. + */ +static inline u32 linkmode_adv_to_mii_10base_t1_t(unsigned long *adv) +{ + u32 result = 0; + + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, adv)) + result |= MDIO_AN_10BT1_AN_CTRL_ADV_EEE_T1L; + + return result; +} + int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); int __mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum, @@ -423,6 +499,21 @@ int mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask, u16 set); int mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum, u16 mask, u16 set); +int __mdiobus_c45_read(struct mii_bus *bus, int addr, int devad, u32 regnum); +int mdiobus_c45_read(struct mii_bus *bus, int addr, int devad, u32 regnum); +int mdiobus_c45_read_nested(struct mii_bus *bus, int addr, int devad, + u32 regnum); +int __mdiobus_c45_write(struct mii_bus *bus, int addr, int devad, u32 regnum, + u16 val); +int mdiobus_c45_write(struct mii_bus *bus, int addr, int devad, u32 regnum, + u16 val); +int mdiobus_c45_write_nested(struct mii_bus *bus, int addr, int devad, + u32 regnum, u16 val); +int mdiobus_c45_modify(struct mii_bus *bus, int addr, int devad, u32 regnum, + u16 mask, u16 set); + +int mdiobus_c45_modify_changed(struct mii_bus *bus, int addr, int devad, + u32 regnum, u16 mask, u16 set); static inline int mdiodev_read(struct mdio_device *mdiodev, u32 regnum) { @@ -448,44 +539,19 @@ static inline int mdiodev_modify_changed(struct mdio_device *mdiodev, mask, set); } -static inline u32 mdiobus_c45_addr(int devad, u16 regnum) -{ - return MII_ADDR_C45 | devad << MII_DEVADDR_C45_SHIFT | regnum; -} - -static inline u16 mdiobus_c45_regad(u32 regnum) -{ - return FIELD_GET(MII_REGADDR_C45_MASK, regnum); -} - -static inline u16 mdiobus_c45_devad(u32 regnum) +static inline int mdiodev_c45_modify(struct mdio_device *mdiodev, int devad, + u32 regnum, u16 mask, u16 set) { - return FIELD_GET(MII_DEVADDR_C45_MASK, regnum); + return mdiobus_c45_modify(mdiodev->bus, mdiodev->addr, devad, regnum, + mask, set); } -static inline int __mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad, - u16 regnum) -{ - return __mdiobus_read(bus, prtad, mdiobus_c45_addr(devad, regnum)); -} - -static inline int __mdiobus_c45_write(struct mii_bus *bus, int prtad, int devad, - u16 regnum, u16 val) -{ - return __mdiobus_write(bus, prtad, mdiobus_c45_addr(devad, regnum), - val); -} - -static inline int mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad, - u16 regnum) -{ - return mdiobus_read(bus, prtad, mdiobus_c45_addr(devad, regnum)); -} - -static inline int mdiobus_c45_write(struct mii_bus *bus, int prtad, int devad, - u16 regnum, u16 val) +static inline int mdiodev_c45_modify_changed(struct mdio_device *mdiodev, + int devad, u32 regnum, u16 mask, + u16 set) { - return mdiobus_write(bus, prtad, mdiobus_c45_addr(devad, regnum), val); + return mdiobus_c45_modify_changed(mdiodev->bus, mdiodev->addr, devad, + regnum, mask, set); } static inline int mdiodev_c45_read(struct mdio_device *mdiodev, int devad, diff --git a/include/linux/mdio/mdio-mscc-miim.h b/include/linux/mdio/mdio-mscc-miim.h index 5b4ed2c3cbb9..1ce699740af6 100644 --- a/include/linux/mdio/mdio-mscc-miim.h +++ b/include/linux/mdio/mdio-mscc-miim.h @@ -14,6 +14,6 @@ int mscc_miim_setup(struct device *device, struct mii_bus **bus, const char *name, struct regmap *mii_regmap, - int status_offset); + int status_offset, bool ignore_read_errors); #endif diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 85dc9b88ea37..b6eda2ab205d 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -466,34 +466,34 @@ static inline struct mem_cgroup *folio_memcg_rcu(struct folio *folio) } /* - * page_memcg_check - get the memory cgroup associated with a page - * @page: a pointer to the page struct + * folio_memcg_check - Get the memory cgroup associated with a folio. + * @folio: Pointer to the folio. * - * Returns a pointer to the memory cgroup associated with the page, - * or NULL. This function unlike page_memcg() can take any page - * as an argument. It has to be used in cases when it's not known if a page + * Returns a pointer to the memory cgroup associated with the folio, + * or NULL. This function unlike folio_memcg() can take any folio + * as an argument. It has to be used in cases when it's not known if a folio * has an associated memory cgroup pointer or an object cgroups vector or * an object cgroup. * - * For a non-kmem page any of the following ensures page and memcg binding + * For a non-kmem folio any of the following ensures folio and memcg binding * stability: * - * - the page lock + * - the folio lock * - LRU isolation - * - lock_page_memcg() + * - lock_folio_memcg() * - exclusive reference * - mem_cgroup_trylock_pages() * - * For a kmem page a caller should hold an rcu read lock to protect memcg - * associated with a kmem page from being released. + * For a kmem folio a caller should hold an rcu read lock to protect memcg + * associated with a kmem folio from being released. */ -static inline struct mem_cgroup *page_memcg_check(struct page *page) +static inline struct mem_cgroup *folio_memcg_check(struct folio *folio) { /* - * Because page->memcg_data might be changed asynchronously - * for slab pages, READ_ONCE() should be used here. + * Because folio->memcg_data might be changed asynchronously + * for slabs, READ_ONCE() should be used here. */ - unsigned long memcg_data = READ_ONCE(page->memcg_data); + unsigned long memcg_data = READ_ONCE(folio->memcg_data); if (memcg_data & MEMCG_DATA_OBJCGS) return NULL; @@ -508,6 +508,13 @@ static inline struct mem_cgroup *page_memcg_check(struct page *page) return (struct mem_cgroup *)(memcg_data & ~MEMCG_DATA_FLAGS_MASK); } +static inline struct mem_cgroup *page_memcg_check(struct page *page) +{ + if (PageTail(page)) + return NULL; + return folio_memcg_check((struct folio *)page); +} + static inline struct mem_cgroup *get_mem_cgroup_from_objcg(struct obj_cgroup *objcg) { struct mem_cgroup *memcg; @@ -794,6 +801,11 @@ static inline void obj_cgroup_put(struct obj_cgroup *objcg) percpu_ref_put(&objcg->refcnt); } +static inline bool mem_cgroup_tryget(struct mem_cgroup *memcg) +{ + return !memcg || css_tryget(&memcg->css); +} + static inline void mem_cgroup_put(struct mem_cgroup *memcg) { if (memcg) @@ -878,7 +890,7 @@ static inline bool mm_match_cgroup(struct mm_struct *mm, return match; } -struct cgroup_subsys_state *mem_cgroup_css_from_page(struct page *page); +struct cgroup_subsys_state *mem_cgroup_css_from_folio(struct folio *folio); ino_t page_cgroup_ino(struct page *page); static inline bool mem_cgroup_online(struct mem_cgroup *memcg) @@ -1165,6 +1177,11 @@ static inline struct mem_cgroup *folio_memcg_rcu(struct folio *folio) return NULL; } +static inline struct mem_cgroup *folio_memcg_check(struct folio *folio) +{ + return NULL; +} + static inline struct mem_cgroup *page_memcg_check(struct page *page) { return NULL; @@ -1301,6 +1318,11 @@ static inline void obj_cgroup_put(struct obj_cgroup *objcg) { } +static inline bool mem_cgroup_tryget(struct mem_cgroup *memcg) +{ + return true; +} + static inline void mem_cgroup_put(struct mem_cgroup *memcg) { } @@ -1754,24 +1776,30 @@ struct obj_cgroup *get_obj_cgroup_from_page(struct page *page); int obj_cgroup_charge(struct obj_cgroup *objcg, gfp_t gfp, size_t size); void obj_cgroup_uncharge(struct obj_cgroup *objcg, size_t size); -extern struct static_key_false memcg_kmem_enabled_key; +extern struct static_key_false memcg_bpf_enabled_key; +static inline bool memcg_bpf_enabled(void) +{ + return static_branch_likely(&memcg_bpf_enabled_key); +} + +extern struct static_key_false memcg_kmem_online_key; -static inline bool memcg_kmem_enabled(void) +static inline bool memcg_kmem_online(void) { - return static_branch_likely(&memcg_kmem_enabled_key); + return static_branch_likely(&memcg_kmem_online_key); } static inline int memcg_kmem_charge_page(struct page *page, gfp_t gfp, int order) { - if (memcg_kmem_enabled()) + if (memcg_kmem_online()) return __memcg_kmem_charge_page(page, gfp, order); return 0; } static inline void memcg_kmem_uncharge_page(struct page *page, int order) { - if (memcg_kmem_enabled()) + if (memcg_kmem_online()) __memcg_kmem_uncharge_page(page, order); } @@ -1792,7 +1820,7 @@ static inline void count_objcg_event(struct obj_cgroup *objcg, { struct mem_cgroup *memcg; - if (!memcg_kmem_enabled()) + if (!memcg_kmem_online()) return; rcu_read_lock(); @@ -1832,7 +1860,12 @@ static inline struct obj_cgroup *get_obj_cgroup_from_page(struct page *page) return NULL; } -static inline bool memcg_kmem_enabled(void) +static inline bool memcg_bpf_enabled(void) +{ + return false; +} + +static inline bool memcg_kmem_online(void) { return false; } diff --git a/include/linux/memregion.h b/include/linux/memregion.h index bf83363807ac..c01321467789 100644 --- a/include/linux/memregion.h +++ b/include/linux/memregion.h @@ -3,10 +3,12 @@ #define _MEMREGION_H_ #include <linux/types.h> #include <linux/errno.h> +#include <linux/range.h> #include <linux/bug.h> struct memregion_info { int target_node; + struct range range; }; #ifdef CONFIG_MEMREGION diff --git a/include/linux/memremap.h b/include/linux/memremap.h index 7fcaf3180a5b..1314d9c5f05b 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -135,7 +135,7 @@ struct dev_pagemap { int nr_range; union { struct range range; - struct range ranges[0]; + DECLARE_FLEX_ARRAY(struct range, ranges); }; }; diff --git a/include/linux/mfd/asic3.h b/include/linux/mfd/asic3.h deleted file mode 100644 index 61e686dbaa74..000000000000 --- a/include/linux/mfd/asic3.h +++ /dev/null @@ -1,313 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * include/linux/mfd/asic3.h - * - * Compaq ASIC3 headers. - * - * Copyright 2001 Compaq Computer Corporation. - * Copyright 2007-2008 OpenedHand Ltd. - */ - -#ifndef __ASIC3_H__ -#define __ASIC3_H__ - -#include <linux/types.h> - -struct led_classdev; -struct asic3_led { - const char *name; - const char *default_trigger; - struct led_classdev *cdev; -}; - -struct asic3_platform_data { - u16 *gpio_config; - unsigned int gpio_config_num; - - unsigned int irq_base; - - unsigned int gpio_base; - - unsigned int clock_rate; - - struct asic3_led *leds; -}; - -#define ASIC3_NUM_GPIO_BANKS 4 -#define ASIC3_GPIOS_PER_BANK 16 -#define ASIC3_NUM_GPIOS 64 -#define ASIC3_NR_IRQS ASIC3_NUM_GPIOS + 6 - -#define ASIC3_IRQ_LED0 64 -#define ASIC3_IRQ_LED1 65 -#define ASIC3_IRQ_LED2 66 -#define ASIC3_IRQ_SPI 67 -#define ASIC3_IRQ_SMBUS 68 -#define ASIC3_IRQ_OWM 69 - -#define ASIC3_TO_GPIO(gpio) (NR_BUILTIN_GPIO + (gpio)) - -#define ASIC3_GPIO_BANK_A 0 -#define ASIC3_GPIO_BANK_B 1 -#define ASIC3_GPIO_BANK_C 2 -#define ASIC3_GPIO_BANK_D 3 - -#define ASIC3_GPIO(bank, gpio) \ - ((ASIC3_GPIOS_PER_BANK * ASIC3_GPIO_BANK_##bank) + (gpio)) -#define ASIC3_GPIO_bit(gpio) (1 << (gpio & 0xf)) -/* All offsets below are specified with this address bus shift */ -#define ASIC3_DEFAULT_ADDR_SHIFT 2 - -#define ASIC3_OFFSET(base, reg) (ASIC3_##base##_BASE + ASIC3_##base##_##reg) -#define ASIC3_GPIO_OFFSET(base, reg) \ - (ASIC3_GPIO_##base##_BASE + ASIC3_GPIO_##reg) - -#define ASIC3_GPIO_A_BASE 0x0000 -#define ASIC3_GPIO_B_BASE 0x0100 -#define ASIC3_GPIO_C_BASE 0x0200 -#define ASIC3_GPIO_D_BASE 0x0300 - -#define ASIC3_GPIO_TO_BANK(gpio) ((gpio) >> 4) -#define ASIC3_GPIO_TO_BIT(gpio) ((gpio) - \ - (ASIC3_GPIOS_PER_BANK * ((gpio) >> 4))) -#define ASIC3_GPIO_TO_MASK(gpio) (1 << ASIC3_GPIO_TO_BIT(gpio)) -#define ASIC3_GPIO_TO_BASE(gpio) (ASIC3_GPIO_A_BASE + (((gpio) >> 4) * 0x0100)) -#define ASIC3_BANK_TO_BASE(bank) (ASIC3_GPIO_A_BASE + ((bank) * 0x100)) - -#define ASIC3_GPIO_MASK 0x00 /* R/W 0:don't mask */ -#define ASIC3_GPIO_DIRECTION 0x04 /* R/W 0:input */ -#define ASIC3_GPIO_OUT 0x08 /* R/W 0:output low */ -#define ASIC3_GPIO_TRIGGER_TYPE 0x0c /* R/W 0:level */ -#define ASIC3_GPIO_EDGE_TRIGGER 0x10 /* R/W 0:falling */ -#define ASIC3_GPIO_LEVEL_TRIGGER 0x14 /* R/W 0:low level detect */ -#define ASIC3_GPIO_SLEEP_MASK 0x18 /* R/W 0:don't mask in sleep mode */ -#define ASIC3_GPIO_SLEEP_OUT 0x1c /* R/W level 0:low in sleep mode */ -#define ASIC3_GPIO_BAT_FAULT_OUT 0x20 /* R/W level 0:low in batt_fault */ -#define ASIC3_GPIO_INT_STATUS 0x24 /* R/W 0:none, 1:detect */ -#define ASIC3_GPIO_ALT_FUNCTION 0x28 /* R/W 1:LED register control */ -#define ASIC3_GPIO_SLEEP_CONF 0x2c /* - * R/W bit 1: autosleep - * 0: disable gposlpout in normal mode, - * enable gposlpout in sleep mode. - */ -#define ASIC3_GPIO_STATUS 0x30 /* R Pin status */ - -/* - * ASIC3 GPIO config - * - * Bits 0..6 gpio number - * Bits 7..13 Alternate function - * Bit 14 Direction - * Bit 15 Initial value - * - */ -#define ASIC3_CONFIG_GPIO_PIN(config) ((config) & 0x7f) -#define ASIC3_CONFIG_GPIO_ALT(config) (((config) & (0x7f << 7)) >> 7) -#define ASIC3_CONFIG_GPIO_DIR(config) ((config & (1 << 14)) >> 14) -#define ASIC3_CONFIG_GPIO_INIT(config) ((config & (1 << 15)) >> 15) -#define ASIC3_CONFIG_GPIO(gpio, alt, dir, init) (((gpio) & 0x7f) \ - | (((alt) & 0x7f) << 7) | (((dir) & 0x1) << 14) \ - | (((init) & 0x1) << 15)) -#define ASIC3_CONFIG_GPIO_DEFAULT(gpio, dir, init) \ - ASIC3_CONFIG_GPIO((gpio), 0, (dir), (init)) -#define ASIC3_CONFIG_GPIO_DEFAULT_OUT(gpio, init) \ - ASIC3_CONFIG_GPIO((gpio), 0, 1, (init)) - -/* - * Alternate functions - */ -#define ASIC3_GPIOA11_PWM0 ASIC3_CONFIG_GPIO(11, 1, 1, 0) -#define ASIC3_GPIOA12_PWM1 ASIC3_CONFIG_GPIO(12, 1, 1, 0) -#define ASIC3_GPIOA15_CONTROL_CX ASIC3_CONFIG_GPIO(15, 1, 1, 0) -#define ASIC3_GPIOC0_LED0 ASIC3_CONFIG_GPIO(32, 1, 0, 0) -#define ASIC3_GPIOC1_LED1 ASIC3_CONFIG_GPIO(33, 1, 0, 0) -#define ASIC3_GPIOC2_LED2 ASIC3_CONFIG_GPIO(34, 1, 0, 0) -#define ASIC3_GPIOC3_SPI_RXD ASIC3_CONFIG_GPIO(35, 1, 0, 0) -#define ASIC3_GPIOC4_CF_nCD ASIC3_CONFIG_GPIO(36, 1, 0, 0) -#define ASIC3_GPIOC4_SPI_TXD ASIC3_CONFIG_GPIO(36, 1, 1, 0) -#define ASIC3_GPIOC5_SPI_CLK ASIC3_CONFIG_GPIO(37, 1, 1, 0) -#define ASIC3_GPIOC5_nCIOW ASIC3_CONFIG_GPIO(37, 1, 1, 0) -#define ASIC3_GPIOC6_nCIOR ASIC3_CONFIG_GPIO(38, 1, 1, 0) -#define ASIC3_GPIOC7_nPCE_1 ASIC3_CONFIG_GPIO(39, 1, 0, 0) -#define ASIC3_GPIOC8_nPCE_2 ASIC3_CONFIG_GPIO(40, 1, 0, 0) -#define ASIC3_GPIOC9_nPOE ASIC3_CONFIG_GPIO(41, 1, 0, 0) -#define ASIC3_GPIOC10_nPWE ASIC3_CONFIG_GPIO(42, 1, 0, 0) -#define ASIC3_GPIOC11_PSKTSEL ASIC3_CONFIG_GPIO(43, 1, 0, 0) -#define ASIC3_GPIOC12_nPREG ASIC3_CONFIG_GPIO(44, 1, 0, 0) -#define ASIC3_GPIOC13_nPWAIT ASIC3_CONFIG_GPIO(45, 1, 1, 0) -#define ASIC3_GPIOC14_nPIOIS16 ASIC3_CONFIG_GPIO(46, 1, 1, 0) -#define ASIC3_GPIOC15_nPIOR ASIC3_CONFIG_GPIO(47, 1, 0, 0) -#define ASIC3_GPIOD4_CF_nCD ASIC3_CONFIG_GPIO(52, 1, 0, 0) -#define ASIC3_GPIOD11_nCIOIS16 ASIC3_CONFIG_GPIO(59, 1, 0, 0) -#define ASIC3_GPIOD12_nCWAIT ASIC3_CONFIG_GPIO(60, 1, 0, 0) -#define ASIC3_GPIOD15_nPIOW ASIC3_CONFIG_GPIO(63, 1, 0, 0) - - -#define ASIC3_SPI_Base 0x0400 -#define ASIC3_SPI_Control 0x0000 -#define ASIC3_SPI_TxData 0x0004 -#define ASIC3_SPI_RxData 0x0008 -#define ASIC3_SPI_Int 0x000c -#define ASIC3_SPI_Status 0x0010 - -#define SPI_CONTROL_SPR(clk) ((clk) & 0x0f) /* Clock rate */ - -#define ASIC3_PWM_0_Base 0x0500 -#define ASIC3_PWM_1_Base 0x0600 -#define ASIC3_PWM_TimeBase 0x0000 -#define ASIC3_PWM_PeriodTime 0x0004 -#define ASIC3_PWM_DutyTime 0x0008 - -#define PWM_TIMEBASE_VALUE(x) ((x)&0xf) /* Low 4 bits sets time base */ -#define PWM_TIMEBASE_ENABLE (1 << 4) /* Enable clock */ - -#define ASIC3_NUM_LEDS 3 -#define ASIC3_LED_0_Base 0x0700 -#define ASIC3_LED_1_Base 0x0800 -#define ASIC3_LED_2_Base 0x0900 -#define ASIC3_LED_TimeBase 0x0000 /* R/W 7 bits */ -#define ASIC3_LED_PeriodTime 0x0004 /* R/W 12 bits */ -#define ASIC3_LED_DutyTime 0x0008 /* R/W 12 bits */ -#define ASIC3_LED_AutoStopCount 0x000c /* R/W 16 bits */ - -/* LED TimeBase bits - match ASIC2 */ -#define LED_TBS 0x0f /* Low 4 bits sets time base, max = 13 */ - /* Note: max = 5 on hx4700 */ - /* 0: maximum time base */ - /* 1: maximum time base / 2 */ - /* n: maximum time base / 2^n */ - -#define LED_EN (1 << 4) /* LED ON/OFF 0:off, 1:on */ -#define LED_AUTOSTOP (1 << 5) /* LED ON/OFF auto stop 0:disable, 1:enable */ -#define LED_ALWAYS (1 << 6) /* LED Interrupt Mask 0:No mask, 1:mask */ - -#define ASIC3_CLOCK_BASE 0x0A00 -#define ASIC3_CLOCK_CDEX 0x00 -#define ASIC3_CLOCK_SEL 0x04 - -#define CLOCK_CDEX_SOURCE (1 << 0) /* 2 bits */ -#define CLOCK_CDEX_SOURCE0 (1 << 0) -#define CLOCK_CDEX_SOURCE1 (1 << 1) -#define CLOCK_CDEX_SPI (1 << 2) -#define CLOCK_CDEX_OWM (1 << 3) -#define CLOCK_CDEX_PWM0 (1 << 4) -#define CLOCK_CDEX_PWM1 (1 << 5) -#define CLOCK_CDEX_LED0 (1 << 6) -#define CLOCK_CDEX_LED1 (1 << 7) -#define CLOCK_CDEX_LED2 (1 << 8) - -/* Clocks settings: 1 for 24.576 MHz, 0 for 12.288Mhz */ -#define CLOCK_CDEX_SD_HOST (1 << 9) /* R/W: SD host clock source */ -#define CLOCK_CDEX_SD_BUS (1 << 10) /* R/W: SD bus clock source ctrl */ -#define CLOCK_CDEX_SMBUS (1 << 11) -#define CLOCK_CDEX_CONTROL_CX (1 << 12) - -#define CLOCK_CDEX_EX0 (1 << 13) /* R/W: 32.768 kHz crystal */ -#define CLOCK_CDEX_EX1 (1 << 14) /* R/W: 24.576 MHz crystal */ - -#define CLOCK_SEL_SD_HCLK_SEL (1 << 0) /* R/W: SDIO host clock select */ -#define CLOCK_SEL_SD_BCLK_SEL (1 << 1) /* R/W: SDIO bus clock select */ - -/* R/W: INT clock source control (32.768 kHz) */ -#define CLOCK_SEL_CX (1 << 2) - - -#define ASIC3_INTR_BASE 0x0B00 - -#define ASIC3_INTR_INT_MASK 0x00 /* Interrupt mask control */ -#define ASIC3_INTR_P_INT_STAT 0x04 /* Peripheral interrupt status */ -#define ASIC3_INTR_INT_CPS 0x08 /* Interrupt timer clock pre-scale */ -#define ASIC3_INTR_INT_TBS 0x0c /* Interrupt timer set */ - -#define ASIC3_INTMASK_GINTMASK (1 << 0) /* Global INTs mask 1:enable */ -#define ASIC3_INTMASK_GINTEL (1 << 1) /* 1: rising edge, 0: hi level */ -#define ASIC3_INTMASK_MASK0 (1 << 2) -#define ASIC3_INTMASK_MASK1 (1 << 3) -#define ASIC3_INTMASK_MASK2 (1 << 4) -#define ASIC3_INTMASK_MASK3 (1 << 5) -#define ASIC3_INTMASK_MASK4 (1 << 6) -#define ASIC3_INTMASK_MASK5 (1 << 7) - -#define ASIC3_INTR_PERIPHERAL_A (1 << 0) -#define ASIC3_INTR_PERIPHERAL_B (1 << 1) -#define ASIC3_INTR_PERIPHERAL_C (1 << 2) -#define ASIC3_INTR_PERIPHERAL_D (1 << 3) -#define ASIC3_INTR_LED0 (1 << 4) -#define ASIC3_INTR_LED1 (1 << 5) -#define ASIC3_INTR_LED2 (1 << 6) -#define ASIC3_INTR_SPI (1 << 7) -#define ASIC3_INTR_SMBUS (1 << 8) -#define ASIC3_INTR_OWM (1 << 9) - -#define ASIC3_INTR_CPS(x) ((x)&0x0f) /* 4 bits, max 14 */ -#define ASIC3_INTR_CPS_SET (1 << 4) /* Time base enable */ - - -/* Basic control of the SD ASIC */ -#define ASIC3_SDHWCTRL_BASE 0x0E00 -#define ASIC3_SDHWCTRL_SDCONF 0x00 - -#define ASIC3_SDHWCTRL_SUSPEND (1 << 0) /* 1=suspend all SD operations */ -#define ASIC3_SDHWCTRL_CLKSEL (1 << 1) /* 1=SDICK, 0=HCLK */ -#define ASIC3_SDHWCTRL_PCLR (1 << 2) /* All registers of SDIO cleared */ -#define ASIC3_SDHWCTRL_LEVCD (1 << 3) /* SD card detection: 0:low */ - -/* SD card write protection: 0=high */ -#define ASIC3_SDHWCTRL_LEVWP (1 << 4) -#define ASIC3_SDHWCTRL_SDLED (1 << 5) /* SD card LED signal 0=disable */ - -/* SD card power supply ctrl 1=enable */ -#define ASIC3_SDHWCTRL_SDPWR (1 << 6) - -#define ASIC3_EXTCF_BASE 0x1100 - -#define ASIC3_EXTCF_SELECT 0x00 -#define ASIC3_EXTCF_RESET 0x04 - -#define ASIC3_EXTCF_SMOD0 (1 << 0) /* slot number of mode 0 */ -#define ASIC3_EXTCF_SMOD1 (1 << 1) /* slot number of mode 1 */ -#define ASIC3_EXTCF_SMOD2 (1 << 2) /* slot number of mode 2 */ -#define ASIC3_EXTCF_OWM_EN (1 << 4) /* enable onewire module */ -#define ASIC3_EXTCF_OWM_SMB (1 << 5) /* OWM bus selection */ -#define ASIC3_EXTCF_OWM_RESET (1 << 6) /* ?? used by OWM and CF */ -#define ASIC3_EXTCF_CF0_SLEEP_MODE (1 << 7) /* CF0 sleep state */ -#define ASIC3_EXTCF_CF1_SLEEP_MODE (1 << 8) /* CF1 sleep state */ -#define ASIC3_EXTCF_CF0_PWAIT_EN (1 << 10) /* CF0 PWAIT_n control */ -#define ASIC3_EXTCF_CF1_PWAIT_EN (1 << 11) /* CF1 PWAIT_n control */ -#define ASIC3_EXTCF_CF0_BUF_EN (1 << 12) /* CF0 buffer control */ -#define ASIC3_EXTCF_CF1_BUF_EN (1 << 13) /* CF1 buffer control */ -#define ASIC3_EXTCF_SD_MEM_ENABLE (1 << 14) -#define ASIC3_EXTCF_CF_SLEEP (1 << 15) /* CF sleep mode control */ - -/********************************************* - * The Onewire interface (DS1WM) is handled - * by the ds1wm driver. - * - *********************************************/ - -#define ASIC3_OWM_BASE 0xC00 - -/***************************************************************************** - * The SD configuration registers are at a completely different location - * in memory. They are divided into three sets of registers: - * - * SD_CONFIG Core configuration register - * SD_CTRL Control registers for SD operations - * SDIO_CTRL Control registers for SDIO operations - * - *****************************************************************************/ -#define ASIC3_SD_CONFIG_BASE 0x0400 /* Assumes 32 bit addressing */ -#define ASIC3_SD_CONFIG_SIZE 0x0200 /* Assumes 32 bit addressing */ -#define ASIC3_SD_CTRL_BASE 0x1000 -#define ASIC3_SDIO_CTRL_BASE 0x1200 - -#define ASIC3_MAP_SIZE_32BIT 0x2000 -#define ASIC3_MAP_SIZE_16BIT 0x1000 - -/* Functions needed by leds-asic3 */ - -struct asic3; -extern void asic3_write_register(struct asic3 *asic, unsigned int reg, u32 val); -extern u32 asic3_read_register(struct asic3 *asic, unsigned int reg); - -#endif /* __ASIC3_H__ */ diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h index 9ab0e2fca7ea..2058194807bd 100644 --- a/include/linux/mfd/axp20x.h +++ b/include/linux/mfd/axp20x.h @@ -432,8 +432,9 @@ enum { AXP152_IRQ_PEK_SHORT, AXP152_IRQ_PEK_LONG, AXP152_IRQ_TIMER, - AXP152_IRQ_PEK_RIS_EDGE, + /* out of bit order to make sure the press event is handled first */ AXP152_IRQ_PEK_FAL_EDGE, + AXP152_IRQ_PEK_RIS_EDGE, AXP152_IRQ_GPIO3_INPUT, AXP152_IRQ_GPIO2_INPUT, AXP152_IRQ_GPIO1_INPUT, @@ -472,8 +473,9 @@ enum { AXP20X_IRQ_LOW_PWR_LVL1, AXP20X_IRQ_LOW_PWR_LVL2, AXP20X_IRQ_TIMER, - AXP20X_IRQ_PEK_RIS_EDGE, + /* out of bit order to make sure the press event is handled first */ AXP20X_IRQ_PEK_FAL_EDGE, + AXP20X_IRQ_PEK_RIS_EDGE, AXP20X_IRQ_GPIO3_INPUT, AXP20X_IRQ_GPIO2_INPUT, AXP20X_IRQ_GPIO1_INPUT, @@ -502,8 +504,9 @@ enum axp22x_irqs { AXP22X_IRQ_LOW_PWR_LVL1, AXP22X_IRQ_LOW_PWR_LVL2, AXP22X_IRQ_TIMER, - AXP22X_IRQ_PEK_RIS_EDGE, + /* out of bit order to make sure the press event is handled first */ AXP22X_IRQ_PEK_FAL_EDGE, + AXP22X_IRQ_PEK_RIS_EDGE, AXP22X_IRQ_GPIO1_INPUT, AXP22X_IRQ_GPIO0_INPUT, }; @@ -571,8 +574,9 @@ enum axp803_irqs { AXP803_IRQ_LOW_PWR_LVL1, AXP803_IRQ_LOW_PWR_LVL2, AXP803_IRQ_TIMER, - AXP803_IRQ_PEK_RIS_EDGE, + /* out of bit order to make sure the press event is handled first */ AXP803_IRQ_PEK_FAL_EDGE, + AXP803_IRQ_PEK_RIS_EDGE, AXP803_IRQ_PEK_SHORT, AXP803_IRQ_PEK_LONG, AXP803_IRQ_PEK_OVER_OFF, @@ -623,8 +627,9 @@ enum axp809_irqs { AXP809_IRQ_LOW_PWR_LVL1, AXP809_IRQ_LOW_PWR_LVL2, AXP809_IRQ_TIMER, - AXP809_IRQ_PEK_RIS_EDGE, + /* out of bit order to make sure the press event is handled first */ AXP809_IRQ_PEK_FAL_EDGE, + AXP809_IRQ_PEK_RIS_EDGE, AXP809_IRQ_PEK_SHORT, AXP809_IRQ_PEK_LONG, AXP809_IRQ_PEK_OVER_OFF, diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index 0bc7cba798a3..14ca7b471576 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -88,7 +88,7 @@ struct mfd_cell { const char *of_compatible; /* - * Address as defined in Device Tree. Used to compement 'of_compatible' + * Address as defined in Device Tree. Used to complement 'of_compatible' * (above) when matching OF nodes with devices that have identical * compatible strings */ diff --git a/include/linux/mfd/htc-pasic3.h b/include/linux/mfd/htc-pasic3.h deleted file mode 100644 index 3d3ed67bd969..000000000000 --- a/include/linux/mfd/htc-pasic3.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * HTC PASIC3 driver - LEDs and DS1WM - * - * Copyright (c) 2007 Philipp Zabel <philipp.zabel@gmail.com> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - * - */ - -#ifndef __PASIC3_H -#define __PASIC3_H - -#include <linux/platform_device.h> -#include <linux/leds.h> - -extern void pasic3_write_register(struct device *dev, u32 reg, u8 val); -extern u8 pasic3_read_register(struct device *dev, u32 reg); - -/* - * mask for registers 0x20,0x21,0x22 - */ -#define PASIC3_MASK_LED0 0x04 -#define PASIC3_MASK_LED1 0x08 -#define PASIC3_MASK_LED2 0x40 - -/* - * bits in register 0x06 - */ -#define PASIC3_BIT2_LED0 0x08 -#define PASIC3_BIT2_LED1 0x10 -#define PASIC3_BIT2_LED2 0x20 - -struct pasic3_led { - struct led_classdev led; - unsigned int hw_num; - unsigned int bit2; - unsigned int mask; - struct pasic3_leds_machinfo *pdata; -}; - -struct pasic3_leds_machinfo { - unsigned int num_leds; - unsigned int power_gpio; - struct pasic3_led *leds; -}; - -struct pasic3_platform_data { - struct pasic3_leds_machinfo *led_pdata; - unsigned int clock_rate; -}; - -#endif diff --git a/include/linux/mfd/intel-m10-bmc.h b/include/linux/mfd/intel-m10-bmc.h index f0044b14136e..1812ebfa11a8 100644 --- a/include/linux/mfd/intel-m10-bmc.h +++ b/include/linux/mfd/intel-m10-bmc.h @@ -7,40 +7,43 @@ #ifndef __MFD_INTEL_M10_BMC_H #define __MFD_INTEL_M10_BMC_H +#include <linux/bitfield.h> +#include <linux/bits.h> +#include <linux/dev_printk.h> #include <linux/regmap.h> -#define M10BMC_LEGACY_BUILD_VER 0x300468 -#define M10BMC_SYS_BASE 0x300800 -#define M10BMC_SYS_END 0x300fff -#define M10BMC_FLASH_BASE 0x10000000 -#define M10BMC_FLASH_END 0x1fffffff -#define M10BMC_MEM_END M10BMC_FLASH_END +#define M10BMC_N3000_LEGACY_BUILD_VER 0x300468 +#define M10BMC_N3000_SYS_BASE 0x300800 +#define M10BMC_N3000_SYS_END 0x300fff +#define M10BMC_N3000_FLASH_BASE 0x10000000 +#define M10BMC_N3000_FLASH_END 0x1fffffff +#define M10BMC_N3000_MEM_END M10BMC_N3000_FLASH_END #define M10BMC_STAGING_BASE 0x18000000 #define M10BMC_STAGING_SIZE 0x3800000 /* Register offset of system registers */ -#define NIOS2_FW_VERSION 0x0 -#define M10BMC_MAC_LOW 0x10 -#define M10BMC_MAC_BYTE4 GENMASK(7, 0) -#define M10BMC_MAC_BYTE3 GENMASK(15, 8) -#define M10BMC_MAC_BYTE2 GENMASK(23, 16) -#define M10BMC_MAC_BYTE1 GENMASK(31, 24) -#define M10BMC_MAC_HIGH 0x14 -#define M10BMC_MAC_BYTE6 GENMASK(7, 0) -#define M10BMC_MAC_BYTE5 GENMASK(15, 8) -#define M10BMC_MAC_COUNT GENMASK(23, 16) -#define M10BMC_TEST_REG 0x3c -#define M10BMC_BUILD_VER 0x68 -#define M10BMC_VER_MAJOR_MSK GENMASK(23, 16) -#define M10BMC_VER_PCB_INFO_MSK GENMASK(31, 24) -#define M10BMC_VER_LEGACY_INVALID 0xffffffff +#define NIOS2_N3000_FW_VERSION 0x0 +#define M10BMC_N3000_MAC_LOW 0x10 +#define M10BMC_N3000_MAC_BYTE4 GENMASK(7, 0) +#define M10BMC_N3000_MAC_BYTE3 GENMASK(15, 8) +#define M10BMC_N3000_MAC_BYTE2 GENMASK(23, 16) +#define M10BMC_N3000_MAC_BYTE1 GENMASK(31, 24) +#define M10BMC_N3000_MAC_HIGH 0x14 +#define M10BMC_N3000_MAC_BYTE6 GENMASK(7, 0) +#define M10BMC_N3000_MAC_BYTE5 GENMASK(15, 8) +#define M10BMC_N3000_MAC_COUNT GENMASK(23, 16) +#define M10BMC_N3000_TEST_REG 0x3c +#define M10BMC_N3000_BUILD_VER 0x68 +#define M10BMC_N3000_VER_MAJOR_MSK GENMASK(23, 16) +#define M10BMC_N3000_VER_PCB_INFO_MSK GENMASK(31, 24) +#define M10BMC_N3000_VER_LEGACY_INVALID 0xffffffff /* Secure update doorbell register, in system register region */ -#define M10BMC_DOORBELL 0x400 +#define M10BMC_N3000_DOORBELL 0x400 /* Authorization Result register, in system register region */ -#define M10BMC_AUTH_RESULT 0x404 +#define M10BMC_N3000_AUTH_RESULT 0x404 /* Doorbell register fields */ #define DRBL_RSU_REQUEST BIT(0) @@ -88,7 +91,6 @@ #define HOST_STATUS_ABORT_RSU 0x2 #define rsu_prog(doorbell) FIELD_GET(DRBL_RSU_PROGRESS, doorbell) -#define rsu_stat(doorbell) FIELD_GET(DRBL_RSU_STATUS, doorbell) /* interval 100ms and timeout 5s */ #define NIOS_HANDSHAKE_INTERVAL_US (100 * 1000) @@ -103,29 +105,145 @@ #define RSU_COMPLETE_TIMEOUT_MS (40 * 60 * 1000) /* Addresses for security related data in FLASH */ -#define BMC_REH_ADDR 0x17ffc004 -#define BMC_PROG_ADDR 0x17ffc000 -#define BMC_PROG_MAGIC 0x5746 +#define M10BMC_N3000_BMC_REH_ADDR 0x17ffc004 +#define M10BMC_N3000_BMC_PROG_ADDR 0x17ffc000 +#define M10BMC_N3000_BMC_PROG_MAGIC 0x5746 -#define SR_REH_ADDR 0x17ffd004 -#define SR_PROG_ADDR 0x17ffd000 -#define SR_PROG_MAGIC 0x5253 +#define M10BMC_N3000_SR_REH_ADDR 0x17ffd004 +#define M10BMC_N3000_SR_PROG_ADDR 0x17ffd000 +#define M10BMC_N3000_SR_PROG_MAGIC 0x5253 -#define PR_REH_ADDR 0x17ffe004 -#define PR_PROG_ADDR 0x17ffe000 -#define PR_PROG_MAGIC 0x5250 +#define M10BMC_N3000_PR_REH_ADDR 0x17ffe004 +#define M10BMC_N3000_PR_PROG_ADDR 0x17ffe000 +#define M10BMC_N3000_PR_PROG_MAGIC 0x5250 /* Address of 4KB inverted bit vector containing staging area FLASH count */ -#define STAGING_FLASH_COUNT 0x17ffb000 +#define M10BMC_N3000_STAGING_FLASH_COUNT 0x17ffb000 + +#define M10BMC_N6000_INDIRECT_BASE 0x400 + +#define M10BMC_N6000_SYS_BASE 0x0 +#define M10BMC_N6000_SYS_END 0xfff + +#define M10BMC_N6000_DOORBELL 0x1c0 +#define M10BMC_N6000_AUTH_RESULT 0x1c4 +#define AUTH_RESULT_RSU_STATUS GENMASK(23, 16) + +#define M10BMC_N6000_BUILD_VER 0x0 +#define NIOS2_N6000_FW_VERSION 0x4 +#define M10BMC_N6000_MAC_LOW 0x20 +#define M10BMC_N6000_MAC_HIGH (M10BMC_N6000_MAC_LOW + 4) + +/* Addresses for security related data in FLASH */ +#define M10BMC_N6000_BMC_REH_ADDR 0x7ffc004 +#define M10BMC_N6000_BMC_PROG_ADDR 0x7ffc000 +#define M10BMC_N6000_BMC_PROG_MAGIC 0x5746 + +#define M10BMC_N6000_SR_REH_ADDR 0x7ffd004 +#define M10BMC_N6000_SR_PROG_ADDR 0x7ffd000 +#define M10BMC_N6000_SR_PROG_MAGIC 0x5253 + +#define M10BMC_N6000_PR_REH_ADDR 0x7ffe004 +#define M10BMC_N6000_PR_PROG_ADDR 0x7ffe000 +#define M10BMC_N6000_PR_PROG_MAGIC 0x5250 + +#define M10BMC_N6000_STAGING_FLASH_COUNT 0x7ff5000 + +#define M10BMC_N6000_FLASH_MUX_CTRL 0x1d0 +#define M10BMC_N6000_FLASH_MUX_SELECTION GENMASK(2, 0) +#define M10BMC_N6000_FLASH_MUX_IDLE 0 +#define M10BMC_N6000_FLASH_MUX_NIOS 1 +#define M10BMC_N6000_FLASH_MUX_HOST 2 +#define M10BMC_N6000_FLASH_MUX_PFL 4 +#define get_flash_mux(mux) FIELD_GET(M10BMC_N6000_FLASH_MUX_SELECTION, mux) + +#define M10BMC_N6000_FLASH_NIOS_REQUEST BIT(4) +#define M10BMC_N6000_FLASH_HOST_REQUEST BIT(5) + +#define M10BMC_N6000_FLASH_CTRL 0x40 +#define M10BMC_N6000_FLASH_WR_MODE BIT(0) +#define M10BMC_N6000_FLASH_RD_MODE BIT(1) +#define M10BMC_N6000_FLASH_BUSY BIT(2) +#define M10BMC_N6000_FLASH_FIFO_SPACE GENMASK(13, 4) +#define M10BMC_N6000_FLASH_READ_COUNT GENMASK(25, 16) + +#define M10BMC_N6000_FLASH_ADDR 0x44 +#define M10BMC_N6000_FLASH_FIFO 0x800 +#define M10BMC_N6000_READ_BLOCK_SIZE 0x800 +#define M10BMC_N6000_FIFO_MAX_BYTES 0x800 +#define M10BMC_N6000_FIFO_WORD_SIZE 4 +#define M10BMC_N6000_FIFO_MAX_WORDS (M10BMC_N6000_FIFO_MAX_BYTES / \ + M10BMC_N6000_FIFO_WORD_SIZE) + +#define M10BMC_FLASH_INT_US 1 +#define M10BMC_FLASH_TIMEOUT_US 10000 + +/** + * struct m10bmc_csr_map - Intel MAX 10 BMC CSR register map + */ +struct m10bmc_csr_map { + unsigned int base; + unsigned int build_version; + unsigned int fw_version; + unsigned int mac_low; + unsigned int mac_high; + unsigned int doorbell; + unsigned int auth_result; + unsigned int bmc_prog_addr; + unsigned int bmc_reh_addr; + unsigned int bmc_magic; + unsigned int sr_prog_addr; + unsigned int sr_reh_addr; + unsigned int sr_magic; + unsigned int pr_prog_addr; + unsigned int pr_reh_addr; + unsigned int pr_magic; + unsigned int rsu_update_counter; +}; + +/** + * struct intel_m10bmc_platform_info - Intel MAX 10 BMC platform specific information + * @cells: MFD cells + * @n_cells: MFD cells ARRAY_SIZE() + * @csr_map: the mappings for register definition of MAX10 BMC + */ +struct intel_m10bmc_platform_info { + struct mfd_cell *cells; + int n_cells; + const struct m10bmc_csr_map *csr_map; +}; + +struct intel_m10bmc; + +/** + * struct intel_m10bmc_flash_bulk_ops - device specific operations for flash R/W + * @read: read a block of data from flash + * @write: write a block of data to flash + * @lock_write: locks flash access for erase+write + * @unlock_write: unlock flash access + * + * Write must be protected with @lock_write and @unlock_write. While the flash + * is locked, @read returns -EBUSY. + */ +struct intel_m10bmc_flash_bulk_ops { + int (*read)(struct intel_m10bmc *m10bmc, u8 *buf, u32 addr, u32 size); + int (*write)(struct intel_m10bmc *m10bmc, const u8 *buf, u32 offset, u32 size); + int (*lock_write)(struct intel_m10bmc *m10bmc); + void (*unlock_write)(struct intel_m10bmc *m10bmc); +}; /** * struct intel_m10bmc - Intel MAX 10 BMC parent driver data structure * @dev: this device * @regmap: the regmap used to access registers by m10bmc itself + * @info: the platform information for MAX10 BMC + * @flash_bulk_ops: optional device specific operations for flash R/W */ struct intel_m10bmc { struct device *dev; struct regmap *regmap; + const struct intel_m10bmc_platform_info *info; + const struct intel_m10bmc_flash_bulk_ops *flash_bulk_ops; }; /* @@ -152,11 +270,22 @@ m10bmc_raw_read(struct intel_m10bmc *m10bmc, unsigned int addr, * The base of the system registers could be configured by HW developers, and * in HW SPEC, the base is not added to the addresses of the system registers. * - * This macro helps to simplify the accessing of the system registers. And if + * This function helps to simplify the accessing of the system registers. And if * the base is reconfigured in HW, SW developers could simply change the - * M10BMC_SYS_BASE accordingly. + * csr_map's base accordingly. + */ +static inline int m10bmc_sys_read(struct intel_m10bmc *m10bmc, unsigned int offset, + unsigned int *val) +{ + const struct m10bmc_csr_map *csr_map = m10bmc->info->csr_map; + + return m10bmc_raw_read(m10bmc, csr_map->base + offset, val); +} + +/* + * MAX10 BMC Core support */ -#define m10bmc_sys_read(m10bmc, offset, val) \ - m10bmc_raw_read(m10bmc, M10BMC_SYS_BASE + (offset), val) +int m10bmc_dev_init(struct intel_m10bmc *m10bmc, const struct intel_m10bmc_platform_info *info); +extern const struct attribute_group *m10bmc_dev_groups[]; #endif /* __MFD_INTEL_M10_BMC_H */ diff --git a/include/linux/mfd/intel_soc_pmic.h b/include/linux/mfd/intel_soc_pmic.h index 945bde1fe55c..9ba2c1a8d836 100644 --- a/include/linux/mfd/intel_soc_pmic.h +++ b/include/linux/mfd/intel_soc_pmic.h @@ -18,6 +18,7 @@ enum intel_cht_wc_models { INTEL_CHT_WC_GPD_WIN_POCKET, INTEL_CHT_WC_XIAOMI_MIPAD2, INTEL_CHT_WC_LENOVO_YOGABOOK1, + INTEL_CHT_WC_LENOVO_YT3_X90, }; /** diff --git a/include/linux/mfd/ntxec.h b/include/linux/mfd/ntxec.h index cc6f07bfa2b3..e5880c346da9 100644 --- a/include/linux/mfd/ntxec.h +++ b/include/linux/mfd/ntxec.h @@ -34,5 +34,5 @@ static inline u16 ntxec_reg8(u8 value) /* Known firmware versions */ #define NTXEC_VERSION_KOBO_AURA 0xd726 /* found in Kobo Aura */ #define NTXEC_VERSION_TOLINO_SHINE2 0xf110 /* found in Tolino Shine 2 HD */ - +#define NTXEC_VERSION_TOLINO_VISION 0xe135 /* found in Tolino Vision, contains RTC, ADC, PWM, home pad */ #endif diff --git a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h index d4b5e527a7a3..09c6b3184bb0 100644 --- a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h +++ b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h @@ -451,8 +451,10 @@ #define IMX6SX_GPR12_PCIE_RX_EQ_2 (0x2 << 0) /* For imx6ul iomux gpr register field define */ -#define IMX6UL_GPR1_ENET1_CLK_DIR (0x1 << 17) -#define IMX6UL_GPR1_ENET2_CLK_DIR (0x1 << 18) +#define IMX6UL_GPR1_ENET2_TX_CLK_DIR BIT(18) +#define IMX6UL_GPR1_ENET1_TX_CLK_DIR BIT(17) +#define IMX6UL_GPR1_ENET2_CLK_SEL BIT(14) +#define IMX6UL_GPR1_ENET1_CLK_SEL BIT(13) #define IMX6UL_GPR1_ENET1_CLK_OUTPUT (0x1 << 17) #define IMX6UL_GPR1_ENET2_CLK_OUTPUT (0x1 << 18) #define IMX6UL_GPR1_ENET_CLK_DIR (0x3 << 17) diff --git a/include/linux/mfd/t7l66xb.h b/include/linux/mfd/t7l66xb.h deleted file mode 100644 index ae3e7a5c5219..000000000000 --- a/include/linux/mfd/t7l66xb.h +++ /dev/null @@ -1,29 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * This file contains the definitions for the T7L66XB - * - * (C) Copyright 2005 Ian Molton <spyro@f2s.com> - */ -#ifndef MFD_T7L66XB_H -#define MFD_T7L66XB_H - -#include <linux/mfd/core.h> -#include <linux/mfd/tmio.h> - -struct t7l66xb_platform_data { - int (*enable)(struct platform_device *dev); - int (*suspend)(struct platform_device *dev); - int (*resume)(struct platform_device *dev); - - int irq_base; /* The base for subdevice irqs */ - - struct tmio_nand_data *nand_data; -}; - - -#define IRQ_T7L66XB_MMC (1) -#define IRQ_T7L66XB_NAND (3) - -#define T7L66XB_NR_IRQS 8 - -#endif diff --git a/include/linux/mfd/tc6387xb.h b/include/linux/mfd/tc6387xb.h deleted file mode 100644 index aacf1dcc86b9..000000000000 --- a/include/linux/mfd/tc6387xb.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * This file contains the definitions for the TC6387XB - * - * (C) Copyright 2005 Ian Molton <spyro@f2s.com> - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - */ -#ifndef MFD_TC6387XB_H -#define MFD_TC6387XB_H - -struct tc6387xb_platform_data { - int (*enable)(struct platform_device *dev); - int (*suspend)(struct platform_device *dev); - int (*resume)(struct platform_device *dev); -}; - -#endif diff --git a/include/linux/mfd/tc6393xb.h b/include/linux/mfd/tc6393xb.h deleted file mode 100644 index d17807f2d0c9..000000000000 --- a/include/linux/mfd/tc6393xb.h +++ /dev/null @@ -1,53 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Toshiba TC6393XB SoC support - * - * Copyright(c) 2005-2006 Chris Humbert - * Copyright(c) 2005 Dirk Opfer - * Copyright(c) 2005 Ian Molton <spyro@f2s.com> - * Copyright(c) 2007 Dmitry Baryshkov - * - * Based on code written by Sharp/Lineo for 2.4 kernels - * Based on locomo.c - */ - -#ifndef MFD_TC6393XB_H -#define MFD_TC6393XB_H - -#include <linux/fb.h> - -/* Also one should provide the CK3P6MI clock */ -struct tc6393xb_platform_data { - u16 scr_pll2cr; /* PLL2 Control */ - u16 scr_gper; /* GP Enable */ - - int (*enable)(struct platform_device *dev); - void (*disable)(struct platform_device *dev); - int (*suspend)(struct platform_device *dev); - int (*resume)(struct platform_device *dev); - - int irq_base; /* base for subdevice irqs */ - - struct tmio_nand_data *nand_data; - struct tmio_fb_data *fb_data; - - unsigned resume_restore : 1; /* make special actions - to preserve the state - on suspend/resume */ -}; - -extern int tc6393xb_lcd_mode(struct platform_device *fb, - const struct fb_videomode *mode); -extern int tc6393xb_lcd_set_power(struct platform_device *fb, bool on); - -/* - * Relative to irq_base - */ -#define IRQ_TC6393_NAND 0 -#define IRQ_TC6393_MMC 1 -#define IRQ_TC6393_OHCI 2 -#define IRQ_TC6393_FB 4 - -#define TC6393XB_NR_IRQS 8 - -#endif diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h index e8bf90281ba0..eace8ea6cda0 100644 --- a/include/linux/mfd/tmio.h +++ b/include/linux/mfd/tmio.h @@ -84,11 +84,6 @@ /* Some controllers have a CBSY bit */ #define TMIO_MMC_HAVE_CBSY BIT(11) -int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base); -int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base); -void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state); -void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state); - struct dma_chan; /* diff --git a/include/linux/mfd/twl.h b/include/linux/mfd/twl.h index eaa233038254..6e3d99b7a0ee 100644 --- a/include/linux/mfd/twl.h +++ b/include/linux/mfd/twl.h @@ -69,6 +69,8 @@ enum twl6030_module_ids { TWL6030_MODULE_GPADC, TWL6030_MODULE_GASGAUGE, + /* A few extra registers before the registers shared with the 6030 */ + TWL6032_MODULE_CHARGE, TWL6030_MODULE_LAST, }; diff --git a/include/linux/mhi_ep.h b/include/linux/mhi_ep.h index 478aece17046..f198a8ac7ee7 100644 --- a/include/linux/mhi_ep.h +++ b/include/linux/mhi_ep.h @@ -70,8 +70,8 @@ struct mhi_ep_db_info { * @cmd_ctx_cache_phys: Physical address of the host command context cache * @chdb: Array of channel doorbell interrupt info * @event_lock: Lock for protecting event rings - * @list_lock: Lock for protecting state transition and channel doorbell lists * @state_lock: Lock for protecting state transitions + * @list_lock: Lock for protecting state transition and channel doorbell lists * @st_transition_list: List of state transitions * @ch_db_list: List of queued channel doorbells * @wq: Dedicated workqueue for handling rings and state changes @@ -117,8 +117,8 @@ struct mhi_ep_cntrl { struct mhi_ep_db_info chdb[4]; struct mutex event_lock; + struct mutex state_lock; spinlock_t list_lock; - spinlock_t state_lock; struct list_head st_transition_list; struct list_head ch_db_list; diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h index 1f7c33b2f5a3..8bef1ab62bba 100644 --- a/include/linux/micrel_phy.h +++ b/include/linux/micrel_phy.h @@ -8,6 +8,8 @@ #ifndef _MICREL_PHY_H #define _MICREL_PHY_H +#define MICREL_OUI 0x0885 + #define MICREL_PHY_ID_MASK 0x00fffff0 #define PHY_ID_KSZ8873MLL 0x000e7237 @@ -29,6 +31,7 @@ #define PHY_ID_KSZ9131 0x00221640 #define PHY_ID_LAN8814 0x00221660 #define PHY_ID_LAN8804 0x00221670 +#define PHY_ID_LAN8841 0x00221650 #define PHY_ID_KSZ886X 0x00221430 #define PHY_ID_KSZ8863 0x00221435 diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 3ef77f52a4f0..6241a1596a75 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -18,6 +18,7 @@ struct migration_target_control; * - zero on page migration success; */ #define MIGRATEPAGE_SUCCESS 0 +#define MIGRATEPAGE_UNMAP 1 /** * struct movable_operations - Driver page migration @@ -61,16 +62,16 @@ extern const char *migrate_reason_names[MR_TYPES]; #ifdef CONFIG_MIGRATION -extern void putback_movable_pages(struct list_head *l); +void putback_movable_pages(struct list_head *l); int migrate_folio_extra(struct address_space *mapping, struct folio *dst, struct folio *src, enum migrate_mode mode, int extra_count); int migrate_folio(struct address_space *mapping, struct folio *dst, struct folio *src, enum migrate_mode mode); -extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, - unsigned long private, enum migrate_mode mode, int reason, - unsigned int *ret_succeeded); -extern struct page *alloc_migration_target(struct page *page, unsigned long private); -extern int isolate_movable_page(struct page *page, isolate_mode_t mode); +int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, + unsigned long private, enum migrate_mode mode, int reason, + unsigned int *ret_succeeded); +struct page *alloc_migration_target(struct page *page, unsigned long private); +bool isolate_movable_page(struct page *page, isolate_mode_t mode); int migrate_huge_page_move_mapping(struct address_space *mapping, struct folio *dst, struct folio *src); @@ -91,8 +92,8 @@ static inline int migrate_pages(struct list_head *l, new_page_t new, static inline struct page *alloc_migration_target(struct page *page, unsigned long private) { return NULL; } -static inline int isolate_movable_page(struct page *page, isolate_mode_t mode) - { return -EBUSY; } +static inline bool isolate_movable_page(struct page *page, isolate_mode_t mode) + { return false; } static inline int migrate_huge_page_move_mapping(struct address_space *mapping, struct folio *dst, struct folio *src) @@ -123,6 +124,15 @@ static inline bool folio_test_movable(struct folio *folio) } static inline +const struct movable_operations *folio_movable_ops(struct folio *folio) +{ + VM_BUG_ON(!__folio_test_movable(folio)); + + return (const struct movable_operations *) + ((unsigned long)folio->mapping - PAGE_MAPPING_MOVABLE); +} + +static inline const struct movable_operations *page_movable_ops(struct page *page) { VM_BUG_ON(!__PageMovable(page)); @@ -132,8 +142,8 @@ const struct movable_operations *page_movable_ops(struct page *page) } #ifdef CONFIG_NUMA_BALANCING -extern int migrate_misplaced_page(struct page *page, - struct vm_area_struct *vma, int node); +int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, + int node); #else static inline int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, int node) diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index 9db93e487496..b9a7b1319f5d 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -446,6 +446,7 @@ enum { struct mlx4_wqe_inline_seg { __be32 byte_count; + __u8 data[]; }; enum mlx4_update_qp_attr { @@ -503,4 +504,5 @@ static inline u16 folded_qp(u32 q) u16 mlx4_qp_roce_entropy(struct mlx4_dev *dev, u32 qpn); +void mlx4_put_qp(struct mlx4_qp *qp); #endif /* MLX4_QP_H */ diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 29d4b201c7b2..71b06ebad402 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -362,11 +362,13 @@ enum mlx5_event { enum mlx5_driver_event { MLX5_DRIVER_EVENT_TYPE_TRAP = 0, + MLX5_DRIVER_EVENT_UPLINK_NETDEV, }; enum { MLX5_TRACER_SUBTYPE_OWNERSHIP_CHANGE = 0x0, MLX5_TRACER_SUBTYPE_TRACES_AVAILABLE = 0x1, + MLX5_TRACER_SUBTYPE_STRINGS_DB_UPDATE = 0x2, }; enum { @@ -1204,6 +1206,7 @@ enum mlx5_cap_type { MLX5_CAP_VDPA_EMULATION = 0x13, MLX5_CAP_DEV_EVENT = 0x14, MLX5_CAP_IPSEC, + MLX5_CAP_CRYPTO = 0x1a, MLX5_CAP_DEV_SHAMPO = 0x1d, MLX5_CAP_MACSEC = 0x1f, MLX5_CAP_GENERAL_2 = 0x20, @@ -1460,6 +1463,9 @@ enum mlx5_qcam_feature_groups { #define MLX5_CAP_IPSEC(mdev, cap)\ MLX5_GET(ipsec_cap, (mdev)->caps.hca[MLX5_CAP_IPSEC]->cur, cap) +#define MLX5_CAP_CRYPTO(mdev, cap)\ + MLX5_GET(crypto_cap, (mdev)->caps.hca[MLX5_CAP_CRYPTO]->cur, cap) + #define MLX5_CAP_DEV_SHAMPO(mdev, cap)\ MLX5_GET(shampo_cap, mdev->caps.hca_cur[MLX5_CAP_DEV_SHAMPO], cap) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 333c1fec72f8..f33389b42209 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -49,6 +49,7 @@ #include <linux/notifier.h> #include <linux/refcount.h> #include <linux/auxiliary_bus.h> +#include <linux/mutex.h> #include <linux/mlx5/device.h> #include <linux/mlx5/doorbell.h> @@ -100,6 +101,8 @@ enum { }; enum { + MLX5_REG_SBPR = 0xb001, + MLX5_REG_SBCM = 0xb002, MLX5_REG_QPTS = 0x4002, MLX5_REG_QETCR = 0x4005, MLX5_REG_QTCT = 0x400a, @@ -214,6 +217,7 @@ struct mlx5_rsc_debug { enum mlx5_dev_event { MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */ MLX5_DEV_EVENT_PORT_AFFINITY = 129, + MLX5_DEV_EVENT_MULTIPORT_ESW = 130, }; enum mlx5_port_status { @@ -308,6 +312,7 @@ struct mlx5_cmd { struct workqueue_struct *wq; struct semaphore sem; struct semaphore pages_sem; + struct semaphore throttle_sem; int mode; u16 allowed_opcode; struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS]; @@ -427,8 +432,6 @@ struct mlx5_core_health { u8 synd; u32 fatal_error; u32 crdump_size; - /* wq spinlock to synchronize draining */ - spinlock_t wq_lock; struct workqueue_struct *wq; unsigned long flags; struct work_struct fatal_report_work; @@ -513,6 +516,7 @@ struct mlx5_vhca_state_notifier; struct mlx5_sf_dev_table; struct mlx5_sf_hw_table; struct mlx5_sf_table; +struct mlx5_crypto_dek_priv; struct mlx5_rate_limit { u32 rate; @@ -551,10 +555,6 @@ enum { * creation/deletion on drivers rescan. Unset during device attach. */ MLX5_PRIV_FLAGS_DETACH = 1 << 2, - /* Distinguish between mlx5e_probe/remove called by module init/cleanup - * and called by other flows which can already hold devlink lock - */ - MLX5_PRIV_FLAGS_MLX5E_LOCKED_FLOW = 1 << 3, }; struct mlx5_adev { @@ -679,8 +679,9 @@ struct mlx5e_resources { u32 mkey; struct mlx5_sq_bfreg bfreg; } hw_objs; - struct devlink_port dl_port; struct net_device *uplink_netdev; + struct mutex uplink_netdev_lock; + struct mlx5_crypto_dek_priv *dek_priv; }; enum mlx5_sw_icm_type { @@ -741,7 +742,6 @@ enum { enum { MKEY_CACHE_LAST_STD_ENTRY = 20, - MLX5_IMR_MTT_CACHE_ENTRY, MLX5_IMR_KSM_CACHE_ENTRY, MAX_MKEY_CACHE_ENTRIES }; @@ -1018,6 +1018,9 @@ int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size); bool mlx5_cmd_is_down(struct mlx5_core_dev *dev); +void mlx5_core_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev); +void mlx5_core_uplink_netdev_event_replay(struct mlx5_core_dev *mdev); + int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type); void mlx5_health_cleanup(struct mlx5_core_dev *dev); int mlx5_health_init(struct mlx5_core_dev *dev); @@ -1157,6 +1160,7 @@ bool mlx5_lag_is_active(struct mlx5_core_dev *dev); bool mlx5_lag_mode_is_hash(struct mlx5_core_dev *dev); bool mlx5_lag_is_master(struct mlx5_core_dev *dev); bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev); +bool mlx5_lag_is_mpesw(struct mlx5_core_dev *dev); struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev); u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev, struct net_device *slave); @@ -1207,6 +1211,11 @@ static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev) return dev->coredev_type == MLX5_COREDEV_VF; } +static inline bool mlx5_core_is_management_pf(const struct mlx5_core_dev *dev) +{ + return MLX5_CAP_GEN(dev, num_ports) == 1 && !MLX5_CAP_GEN(dev, native_port_num); +} + static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev) { return dev->caps.embedded_cpu; diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h index ba6958b49a8e..2cb404c7ea13 100644 --- a/include/linux/mlx5/fs.h +++ b/include/linux/mlx5/fs.h @@ -51,6 +51,7 @@ enum mlx5_flow_destination_type { MLX5_FLOW_DESTINATION_TYPE_COUNTER, MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM, MLX5_FLOW_DESTINATION_TYPE_RANGE, + MLX5_FLOW_DESTINATION_TYPE_TABLE_TYPE, }; enum { @@ -102,6 +103,8 @@ enum mlx5_flow_namespace_type { MLX5_FLOW_NAMESPACE_PORT_SEL, MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS, MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS, + MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC, + MLX5_FLOW_NAMESPACE_RDMA_TX_IPSEC, }; enum { @@ -296,6 +299,8 @@ void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter); void mlx5_fc_query_cached(struct mlx5_fc *counter, u64 *bytes, u64 *packets, u64 *lastuse); +void mlx5_fc_query_cached_raw(struct mlx5_fc *counter, + u64 *bytes, u64 *packets, u64 *lastuse); int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, u64 *packets, u64 *bytes); u32 mlx5_fc_id(struct mlx5_fc *counter); diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index a9ee7bc59c90..66d76e97a087 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -306,6 +306,7 @@ enum { MLX5_CMD_OP_SYNC_STEERING = 0xb00, MLX5_CMD_OP_QUERY_VHCA_STATE = 0xb0d, MLX5_CMD_OP_MODIFY_VHCA_STATE = 0xb0e, + MLX5_CMD_OP_SYNC_CRYPTO = 0xb12, MLX5_CMD_OP_MAX }; @@ -315,6 +316,11 @@ enum { MLX5_CMD_OP_GENERAL_END = 0xd00, }; +enum { + MLX5_FT_NIC_RX_2_NIC_RX_RDMA = BIT(0), + MLX5_FT_NIC_TX_RDMA_2_NIC_TX = BIT(1), +}; + struct mlx5_ifc_flow_table_fields_supported_bits { u8 outer_dmac[0x1]; u8 outer_smac[0x1]; @@ -1112,6 +1118,30 @@ struct mlx5_ifc_sync_steering_out_bits { u8 reserved_at_40[0x40]; }; +struct mlx5_ifc_sync_crypto_in_bits { + u8 opcode[0x10]; + u8 uid[0x10]; + + u8 reserved_at_20[0x10]; + u8 op_mod[0x10]; + + u8 reserved_at_40[0x20]; + + u8 reserved_at_60[0x10]; + u8 crypto_type[0x10]; + + u8 reserved_at_80[0x80]; +}; + +struct mlx5_ifc_sync_crypto_out_bits { + u8 status[0x8]; + u8 reserved_at_8[0x18]; + + u8 syndrome[0x20]; + + u8 reserved_at_40[0x40]; +}; + struct mlx5_ifc_device_mem_cap_bits { u8 memic[0x1]; u8 reserved_at_1[0x1f]; @@ -1480,7 +1510,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 relaxed_ordering_write[0x1]; u8 relaxed_ordering_read[0x1]; u8 log_max_mkey[0x6]; - u8 reserved_at_f0[0x8]; + u8 reserved_at_f0[0x6]; + u8 terminate_scatter_list_mkey[0x1]; + u8 repeated_mkey[0x1]; u8 dump_fill_mkey[0x1]; u8 reserved_at_f9[0x2]; u8 fast_teardown[0x1]; @@ -1496,7 +1528,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 null_mkey[0x1]; u8 log_max_klm_list_size[0x6]; - u8 reserved_at_120[0xa]; + u8 reserved_at_120[0x2]; + u8 qpc_extension[0x1]; + u8 reserved_at_123[0x7]; u8 log_max_ra_req_dc[0x6]; u8 reserved_at_130[0x2]; u8 eth_wqe_too_small[0x1]; @@ -1662,7 +1696,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 log_bf_reg_size[0x5]; - u8 reserved_at_270[0x6]; + u8 reserved_at_270[0x3]; + u8 qp_error_syndrome[0x1]; + u8 reserved_at_274[0x2]; u8 lag_dct[0x2]; u8 lag_tx_port_affinity[0x1]; u8 lag_native_fdb_selection[0x1]; @@ -1768,7 +1804,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 ats[0x1]; u8 reserved_at_462[0x1]; u8 log_max_uctx[0x5]; - u8 reserved_at_468[0x2]; + u8 reserved_at_468[0x1]; + u8 crypto[0x1]; u8 ipsec_offload[0x1]; u8 log_max_umem[0x5]; u8 max_num_eqs[0x10]; @@ -1899,7 +1936,8 @@ struct mlx5_ifc_cmd_hca_cap_2_bits { u8 reserved_at_e0[0xc0]; - u8 reserved_at_1a0[0xb]; + u8 flow_table_type_2_type[0x8]; + u8 reserved_at_1a8[0x3]; u8 log_min_mkey_entity_size[0x5]; u8 reserved_at_1b0[0x10]; @@ -1923,6 +1961,7 @@ enum mlx5_ifc_flow_destination_type { MLX5_IFC_FLOW_DESTINATION_TYPE_TIR = 0x2, MLX5_IFC_FLOW_DESTINATION_TYPE_FLOW_SAMPLER = 0x6, MLX5_IFC_FLOW_DESTINATION_TYPE_UPLINK = 0x8, + MLX5_IFC_FLOW_DESTINATION_TYPE_TABLE_TYPE = 0xA, }; enum mlx5_flow_table_miss_action { @@ -1937,7 +1976,8 @@ struct mlx5_ifc_dest_format_struct_bits { u8 destination_eswitch_owner_vhca_id_valid[0x1]; u8 packet_reformat[0x1]; - u8 reserved_at_22[0xe]; + u8 reserved_at_22[0x6]; + u8 destination_table_type[0x8]; u8 destination_eswitch_owner_vhca_id[0x10]; }; @@ -2145,6 +2185,17 @@ struct mlx5_ifc_cong_control_r_roce_ecn_rp_bits { u8 reserved_at_360[0x4a0]; }; +struct mlx5_ifc_cong_control_r_roce_general_bits { + u8 reserved_at_0[0x80]; + + u8 reserved_at_80[0x10]; + u8 rtt_resp_dscp_valid[0x1]; + u8 reserved_at_91[0x9]; + u8 rtt_resp_dscp[0x6]; + + u8 reserved_at_a0[0x760]; +}; + struct mlx5_ifc_cong_control_802_1qau_rp_bits { u8 reserved_at_0[0x80]; @@ -3351,6 +3402,30 @@ struct mlx5_ifc_shampo_cap_bits { u8 reserved_at_40[0x7c0]; }; +struct mlx5_ifc_crypto_cap_bits { + u8 reserved_at_0[0x3]; + u8 synchronize_dek[0x1]; + u8 int_kek_manual[0x1]; + u8 int_kek_auto[0x1]; + u8 reserved_at_6[0x1a]; + + u8 reserved_at_20[0x3]; + u8 log_dek_max_alloc[0x5]; + u8 reserved_at_28[0x3]; + u8 log_max_num_deks[0x5]; + u8 reserved_at_30[0x10]; + + u8 reserved_at_40[0x20]; + + u8 reserved_at_60[0x3]; + u8 log_dek_granularity[0x5]; + u8 reserved_at_68[0x3]; + u8 log_max_num_int_kek[0x5]; + u8 sw_wrapped_dek[0x10]; + + u8 reserved_at_80[0x780]; +}; + union mlx5_ifc_hca_cap_union_bits { struct mlx5_ifc_cmd_hca_cap_bits cmd_hca_cap; struct mlx5_ifc_cmd_hca_cap_2_bits cmd_hca_cap_2; @@ -3371,6 +3446,7 @@ union mlx5_ifc_hca_cap_union_bits { struct mlx5_ifc_virtio_emulation_cap_bits virtio_emulation_cap; struct mlx5_ifc_shampo_cap_bits shampo_cap; struct mlx5_ifc_macsec_cap_bits macsec_cap; + struct mlx5_ifc_crypto_cap_bits crypto_cap; u8 reserved_at_0[0x8000]; }; @@ -4290,6 +4366,7 @@ union mlx5_ifc_cong_control_roce_ecn_auto_bits { struct mlx5_ifc_cong_control_802_1qau_rp_bits cong_control_802_1qau_rp; struct mlx5_ifc_cong_control_r_roce_ecn_rp_bits cong_control_r_roce_ecn_rp; struct mlx5_ifc_cong_control_r_roce_ecn_np_bits cong_control_r_roce_ecn_np; + struct mlx5_ifc_cong_control_r_roce_general_bits cong_control_r_roce_general; u8 reserved_at_0[0x800]; }; @@ -5198,7 +5275,11 @@ struct mlx5_ifc_query_special_contexts_out_bits { u8 null_mkey[0x20]; - u8 reserved_at_a0[0x60]; + u8 terminate_scatter_list_mkey[0x20]; + + u8 repeated_mkey[0x20]; + + u8 reserved_at_a0[0x20]; }; struct mlx5_ifc_query_special_contexts_in_bits { @@ -5342,6 +5423,37 @@ struct mlx5_ifc_query_rmp_in_bits { u8 reserved_at_60[0x20]; }; +struct mlx5_ifc_cqe_error_syndrome_bits { + u8 hw_error_syndrome[0x8]; + u8 hw_syndrome_type[0x4]; + u8 reserved_at_c[0x4]; + u8 vendor_error_syndrome[0x8]; + u8 syndrome[0x8]; +}; + +struct mlx5_ifc_qp_context_extension_bits { + u8 reserved_at_0[0x60]; + + struct mlx5_ifc_cqe_error_syndrome_bits error_syndrome; + + u8 reserved_at_80[0x580]; +}; + +struct mlx5_ifc_qpc_extension_and_pas_list_in_bits { + struct mlx5_ifc_qp_context_extension_bits qpc_data_extension; + + u8 pas[0][0x40]; +}; + +struct mlx5_ifc_qp_pas_list_in_bits { + struct mlx5_ifc_cmd_pas_bits pas[0]; +}; + +union mlx5_ifc_qp_pas_or_qpc_ext_and_pas_bits { + struct mlx5_ifc_qp_pas_list_in_bits qp_pas_list; + struct mlx5_ifc_qpc_extension_and_pas_list_in_bits qpc_ext_and_pas_list; +}; + struct mlx5_ifc_query_qp_out_bits { u8 status[0x8]; u8 reserved_at_8[0x18]; @@ -5358,7 +5470,7 @@ struct mlx5_ifc_query_qp_out_bits { u8 reserved_at_800[0x80]; - u8 pas[][0x40]; + union mlx5_ifc_qp_pas_or_qpc_ext_and_pas_bits qp_pas_or_qpc_ext_and_pas; }; struct mlx5_ifc_query_qp_in_bits { @@ -5368,7 +5480,8 @@ struct mlx5_ifc_query_qp_in_bits { u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_at_40[0x8]; + u8 qpc_ext[0x1]; + u8 reserved_at_41[0x7]; u8 qpn[0x18]; u8 reserved_at_60[0x20]; @@ -6196,6 +6309,18 @@ struct mlx5_ifc_match_definer_bits { }; }; +struct mlx5_ifc_general_obj_create_param_bits { + u8 alias_object[0x1]; + u8 reserved_at_1[0x2]; + u8 log_obj_range[0x5]; + u8 reserved_at_8[0x18]; +}; + +struct mlx5_ifc_general_obj_query_param_bits { + u8 alias_object[0x1]; + u8 obj_offset[0x1f]; +}; + struct mlx5_ifc_general_obj_in_cmd_hdr_bits { u8 opcode[0x10]; u8 uid[0x10]; @@ -6205,9 +6330,10 @@ struct mlx5_ifc_general_obj_in_cmd_hdr_bits { u8 obj_id[0x20]; - u8 reserved_at_60[0x3]; - u8 log_obj_range[0x5]; - u8 reserved_at_68[0x18]; + union { + struct mlx5_ifc_general_obj_create_param_bits create; + struct mlx5_ifc_general_obj_query_param_bits query; + } op_param; }; struct mlx5_ifc_general_obj_out_cmd_hdr_bits { @@ -8571,7 +8697,8 @@ struct mlx5_ifc_create_qp_in_bits { u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_at_40[0x8]; + u8 qpc_ext[0x1]; + u8 reserved_at_41[0x7]; u8 input_qpn[0x18]; u8 reserved_at_60[0x20]; @@ -9862,13 +9989,20 @@ struct mlx5_ifc_mpegc_reg_bits { }; enum { + MLX5_MTUTC_FREQ_ADJ_UNITS_PPB = 0x0, + MLX5_MTUTC_FREQ_ADJ_UNITS_SCALED_PPM = 0x1, +}; + +enum { MLX5_MTUTC_OPERATION_SET_TIME_IMMEDIATE = 0x1, MLX5_MTUTC_OPERATION_ADJUST_TIME = 0x2, MLX5_MTUTC_OPERATION_ADJUST_FREQ_UTC = 0x3, }; struct mlx5_ifc_mtutc_reg_bits { - u8 reserved_at_0[0x1c]; + u8 reserved_at_0[0x5]; + u8 freq_adj_units[0x3]; + u8 reserved_at_8[0x14]; u8 operation[0x4]; u8 freq_adjustment[0x20]; @@ -9941,7 +10075,10 @@ struct mlx5_ifc_pcam_reg_bits { }; struct mlx5_ifc_mcam_enhanced_features_bits { - u8 reserved_at_0[0x5d]; + u8 reserved_at_0[0x50]; + u8 mtutc_freq_adj_units[0x1]; + u8 mtutc_time_adjustment_extended_range[0x1]; + u8 reserved_at_52[0xb]; u8 mcia_32dwords[0x1]; u8 out_pulse_duration_ns[0x1]; u8 npps_period[0x1]; @@ -11000,6 +11137,67 @@ struct mlx5_ifc_pbmc_reg_bits { u8 reserved_at_2e0[0x80]; }; +struct mlx5_ifc_sbpr_reg_bits { + u8 desc[0x1]; + u8 snap[0x1]; + u8 reserved_at_2[0x4]; + u8 dir[0x2]; + u8 reserved_at_8[0x14]; + u8 pool[0x4]; + + u8 infi_size[0x1]; + u8 reserved_at_21[0x7]; + u8 size[0x18]; + + u8 reserved_at_40[0x1c]; + u8 mode[0x4]; + + u8 reserved_at_60[0x8]; + u8 buff_occupancy[0x18]; + + u8 clr[0x1]; + u8 reserved_at_81[0x7]; + u8 max_buff_occupancy[0x18]; + + u8 reserved_at_a0[0x8]; + u8 ext_buff_occupancy[0x18]; +}; + +struct mlx5_ifc_sbcm_reg_bits { + u8 desc[0x1]; + u8 snap[0x1]; + u8 reserved_at_2[0x6]; + u8 local_port[0x8]; + u8 pnat[0x2]; + u8 pg_buff[0x6]; + u8 reserved_at_18[0x6]; + u8 dir[0x2]; + + u8 reserved_at_20[0x1f]; + u8 exc[0x1]; + + u8 reserved_at_40[0x40]; + + u8 reserved_at_80[0x8]; + u8 buff_occupancy[0x18]; + + u8 clr[0x1]; + u8 reserved_at_a1[0x7]; + u8 max_buff_occupancy[0x18]; + + u8 reserved_at_c0[0x8]; + u8 min_buff[0x18]; + + u8 infi_max[0x1]; + u8 reserved_at_e1[0x7]; + u8 max_buff[0x18]; + + u8 reserved_at_100[0x20]; + + u8 reserved_at_120[0x1c]; + u8 pool[0x4]; +}; + struct mlx5_ifc_qtct_reg_bits { u8 reserved_at_0[0x8]; u8 port_number[0x8]; @@ -11639,6 +11837,7 @@ enum { MLX5_GENERAL_OBJECT_TYPES_SAMPLER = 0x20, MLX5_GENERAL_OBJECT_TYPES_FLOW_METER_ASO = 0x24, MLX5_GENERAL_OBJECT_TYPES_MACSEC = 0x27, + MLX5_GENERAL_OBJECT_TYPES_INT_KEK = 0x47, }; enum { @@ -11818,21 +12017,62 @@ struct mlx5_ifc_query_macsec_obj_out_bits { struct mlx5_ifc_macsec_offload_obj_bits macsec_object; }; +struct mlx5_ifc_wrapped_dek_bits { + u8 gcm_iv[0x60]; + + u8 reserved_at_60[0x20]; + + u8 const0[0x1]; + u8 key_size[0x1]; + u8 reserved_at_82[0x2]; + u8 key2_invalid[0x1]; + u8 reserved_at_85[0x3]; + u8 pd[0x18]; + + u8 key_purpose[0x5]; + u8 reserved_at_a5[0x13]; + u8 kek_id[0x8]; + + u8 reserved_at_c0[0x40]; + + u8 key1[0x8][0x20]; + + u8 key2[0x8][0x20]; + + u8 reserved_at_300[0x40]; + + u8 const1[0x1]; + u8 reserved_at_341[0x1f]; + + u8 reserved_at_360[0x20]; + + u8 auth_tag[0x80]; +}; + struct mlx5_ifc_encryption_key_obj_bits { u8 modify_field_select[0x40]; - u8 reserved_at_40[0x14]; + u8 state[0x8]; + u8 sw_wrapped[0x1]; + u8 reserved_at_49[0xb]; u8 key_size[0x4]; u8 reserved_at_58[0x4]; - u8 key_type[0x4]; + u8 key_purpose[0x4]; u8 reserved_at_60[0x8]; u8 pd[0x18]; - u8 reserved_at_80[0x180]; - u8 key[8][0x20]; + u8 reserved_at_80[0x100]; + + u8 opaque[0x40]; + + u8 reserved_at_1c0[0x40]; + + u8 key[8][0x80]; + + u8 sw_wrapped_dek[8][0x80]; - u8 reserved_at_300[0x500]; + u8 reserved_at_a00[0x600]; }; struct mlx5_ifc_create_encryption_key_in_bits { @@ -11840,6 +12080,11 @@ struct mlx5_ifc_create_encryption_key_in_bits { struct mlx5_ifc_encryption_key_obj_bits encryption_key_object; }; +struct mlx5_ifc_modify_encryption_key_in_bits { + struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr; + struct mlx5_ifc_encryption_key_obj_bits encryption_key_object; +}; + enum { MLX5_FLOW_METER_MODE_BYTES_IP_LENGTH = 0x0, MLX5_FLOW_METER_MODE_BYTES_CALC_WITH_L2 = 0x1, @@ -11895,6 +12140,34 @@ struct mlx5_ifc_create_flow_meter_aso_obj_in_bits { struct mlx5_ifc_flow_meter_aso_obj_bits flow_meter_aso_obj; }; +struct mlx5_ifc_int_kek_obj_bits { + u8 modify_field_select[0x40]; + + u8 state[0x8]; + u8 auto_gen[0x1]; + u8 reserved_at_49[0xb]; + u8 key_size[0x4]; + u8 reserved_at_58[0x8]; + + u8 reserved_at_60[0x8]; + u8 pd[0x18]; + + u8 reserved_at_80[0x180]; + u8 key[8][0x80]; + + u8 reserved_at_600[0x200]; +}; + +struct mlx5_ifc_create_int_kek_obj_in_bits { + struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr; + struct mlx5_ifc_int_kek_obj_bits int_kek_object; +}; + +struct mlx5_ifc_create_int_kek_obj_out_bits { + struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr; + struct mlx5_ifc_int_kek_obj_bits int_kek_object; +}; + struct mlx5_ifc_sampler_obj_bits { u8 modify_field_select[0x40]; @@ -11933,9 +12206,9 @@ enum { }; enum { - MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_TLS = 0x1, - MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_IPSEC = 0x2, - MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_MACSEC = 0x4, + MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_PURPOSE_TLS = 0x1, + MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_PURPOSE_IPSEC = 0x2, + MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_PURPOSE_MACSEC = 0x4, }; struct mlx5_ifc_tls_static_params_bits { diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index 4657d5c54abe..df55fbb65717 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -36,7 +36,7 @@ #include <linux/mlx5/device.h> #include <linux/mlx5/driver.h> -#define MLX5_INVALID_LKEY 0x100 +#define MLX5_TERMINATE_SCATTER_LIST_LKEY cpu_to_be32(0x100) /* UMR (3 WQE_BB's) + SIG (3 WQE_BB's) + PSV (mem) + PSV (wire) */ #define MLX5_SIG_WQE_SIZE (MLX5_SEND_WQE_BB * 8) #define MLX5_DIF_SIZE 8 diff --git a/include/linux/mm.h b/include/linux/mm.h index f13f20258ce9..1f79667824eb 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -282,7 +282,12 @@ extern unsigned int kobjsize(const void *objp); #define VM_MAYSHARE 0x00000080 #define VM_GROWSDOWN 0x00000100 /* general info on the segment */ +#ifdef CONFIG_MMU #define VM_UFFD_MISSING 0x00000200 /* missing pages tracking */ +#else /* CONFIG_MMU */ +#define VM_MAYOVERLAY 0x00000200 /* nommu: R/O MAP_PRIVATE mapping that might overlay a file mapping */ +#define VM_UFFD_MISSING 0 +#endif /* CONFIG_MMU */ #define VM_PFNMAP 0x00000400 /* Page-ranges managed without "struct page", just pure PFN */ #define VM_UFFD_WP 0x00001000 /* wrprotect pages tracking */ @@ -422,8 +427,8 @@ extern unsigned int kobjsize(const void *objp); /* This mask defines which mm->def_flags a process can inherit its parent */ #define VM_INIT_DEF_MASK VM_NOHUGEPAGE -/* This mask is used to clear all the VMA flags used by mlock */ -#define VM_LOCKED_CLEAR_MASK (~(VM_LOCKED | VM_LOCKONFAULT)) +/* This mask represents all the VMA flag bits used by mlock */ +#define VM_LOCKED_MASK (VM_LOCKED | VM_LOCKONFAULT) /* Arch-specific flags to clear when updating VM flags on protection change */ #ifndef VM_ARCH_CLEAR @@ -628,6 +633,63 @@ static inline void vma_init(struct vm_area_struct *vma, struct mm_struct *mm) INIT_LIST_HEAD(&vma->anon_vma_chain); } +/* Use when VMA is not part of the VMA tree and needs no locking */ +static inline void vm_flags_init(struct vm_area_struct *vma, + vm_flags_t flags) +{ + ACCESS_PRIVATE(vma, __vm_flags) = flags; +} + +/* Use when VMA is part of the VMA tree and modifications need coordination */ +static inline void vm_flags_reset(struct vm_area_struct *vma, + vm_flags_t flags) +{ + mmap_assert_write_locked(vma->vm_mm); + vm_flags_init(vma, flags); +} + +static inline void vm_flags_reset_once(struct vm_area_struct *vma, + vm_flags_t flags) +{ + mmap_assert_write_locked(vma->vm_mm); + WRITE_ONCE(ACCESS_PRIVATE(vma, __vm_flags), flags); +} + +static inline void vm_flags_set(struct vm_area_struct *vma, + vm_flags_t flags) +{ + mmap_assert_write_locked(vma->vm_mm); + ACCESS_PRIVATE(vma, __vm_flags) |= flags; +} + +static inline void vm_flags_clear(struct vm_area_struct *vma, + vm_flags_t flags) +{ + mmap_assert_write_locked(vma->vm_mm); + ACCESS_PRIVATE(vma, __vm_flags) &= ~flags; +} + +/* + * Use only if VMA is not part of the VMA tree or has no other users and + * therefore needs no locking. + */ +static inline void __vm_flags_mod(struct vm_area_struct *vma, + vm_flags_t set, vm_flags_t clear) +{ + vm_flags_init(vma, (vma->vm_flags | set) & ~clear); +} + +/* + * Use only when the order of set/clear operations is unimportant, otherwise + * use vm_flags_{set|clear} explicitly. + */ +static inline void vm_flags_mod(struct vm_area_struct *vma, + vm_flags_t set, vm_flags_t clear) +{ + mmap_assert_write_locked(vma->vm_mm); + __vm_flags_mod(vma, set, clear); +} + static inline void vma_set_anonymous(struct vm_area_struct *vma) { vma->vm_ops = NULL; @@ -671,16 +733,16 @@ static inline bool vma_is_accessible(struct vm_area_struct *vma) static inline struct vm_area_struct *vma_find(struct vma_iterator *vmi, unsigned long max) { - return mas_find(&vmi->mas, max); + return mas_find(&vmi->mas, max - 1); } static inline struct vm_area_struct *vma_next(struct vma_iterator *vmi) { /* - * Uses vma_find() to get the first VMA when the iterator starts. + * Uses mas_find() to get the first VMA when the iterator starts. * Calling mas_next() could skip the first entry. */ - return vma_find(vmi, ULONG_MAX); + return mas_find(&vmi->mas, ULONG_MAX); } static inline struct vm_area_struct *vma_prev(struct vma_iterator *vmi) @@ -693,12 +755,50 @@ static inline unsigned long vma_iter_addr(struct vma_iterator *vmi) return vmi->mas.index; } +static inline unsigned long vma_iter_end(struct vma_iterator *vmi) +{ + return vmi->mas.last + 1; +} +static inline int vma_iter_bulk_alloc(struct vma_iterator *vmi, + unsigned long count) +{ + return mas_expected_entries(&vmi->mas, count); +} + +/* Free any unused preallocations */ +static inline void vma_iter_free(struct vma_iterator *vmi) +{ + mas_destroy(&vmi->mas); +} + +static inline int vma_iter_bulk_store(struct vma_iterator *vmi, + struct vm_area_struct *vma) +{ + vmi->mas.index = vma->vm_start; + vmi->mas.last = vma->vm_end - 1; + mas_store(&vmi->mas, vma); + if (unlikely(mas_is_err(&vmi->mas))) + return -ENOMEM; + + return 0; +} + +static inline void vma_iter_invalidate(struct vma_iterator *vmi) +{ + mas_pause(&vmi->mas); +} + +static inline void vma_iter_set(struct vma_iterator *vmi, unsigned long addr) +{ + mas_set(&vmi->mas, addr); +} + #define for_each_vma(__vmi, __vma) \ while (((__vma) = vma_next(&(__vmi))) != NULL) /* The MM code likes to work with exclusive end addresses */ #define for_each_vma_range(__vmi, __vma, __end) \ - while (((__vma) = vma_find(&(__vmi), (__end) - 1)) != NULL) + while (((__vma) = vma_find(&(__vmi), (__end))) != NULL) #ifdef CONFIG_SHMEM /* @@ -720,11 +820,20 @@ int vma_is_stack_for_current(struct vm_area_struct *vma); struct mmu_gather; struct inode; +/* + * compound_order() can be called without holding a reference, which means + * that niceties like page_folio() don't work. These callers should be + * prepared to handle wild return values. For example, PG_head may be + * set before _folio_order is initialised, or this may be a tail page. + * See compaction.c for some good examples. + */ static inline unsigned int compound_order(struct page *page) { - if (!PageHead(page)) + struct folio *folio = (struct folio *)page; + + if (!test_bit(PG_head, &folio->flags)) return 0; - return page[1].compound_order; + return folio->_folio_order; } /** @@ -783,6 +892,13 @@ static inline bool get_page_unless_zero(struct page *page) return page_ref_add_unless(page, 1, 0); } +static inline struct folio *folio_get_nontail_page(struct page *page) +{ + if (unlikely(!get_page_unless_zero(page))) + return NULL; + return (struct folio *)page; +} + extern int page_is_ram(unsigned long pfn); enum { @@ -832,34 +948,7 @@ static inline int is_vmalloc_or_module_addr(const void *x) static inline int folio_entire_mapcount(struct folio *folio) { VM_BUG_ON_FOLIO(!folio_test_large(folio), folio); - return atomic_read(folio_mapcount_ptr(folio)) + 1; -} - -/* - * Mapcount of compound page as a whole, does not include mapped sub-pages. - * Must be called only on head of compound page. - */ -static inline int head_compound_mapcount(struct page *head) -{ - return atomic_read(compound_mapcount_ptr(head)) + 1; -} - -/* - * If a 16GB hugetlb page were mapped by PTEs of all of its 4kB sub-pages, - * its subpages_mapcount would be 0x400000: choose the COMPOUND_MAPPED bit - * above that range, instead of 2*(PMD_SIZE/PAGE_SIZE). Hugetlb currently - * leaves subpages_mapcount at 0, but avoid surprise if it participates later. - */ -#define COMPOUND_MAPPED 0x800000 -#define SUBPAGES_MAPPED (COMPOUND_MAPPED - 1) - -/* - * Number of sub-pages mapped by PTE, does not include compound mapcount. - * Must be called only on head of compound page. - */ -static inline int head_subpages_mapcount(struct page *head) -{ - return atomic_read(subpages_mapcount_ptr(head)) & SUBPAGES_MAPPED; + return atomic_read(&folio->_entire_mapcount) + 1; } /* @@ -872,25 +961,29 @@ static inline void page_mapcount_reset(struct page *page) atomic_set(&(page)->_mapcount, -1); } -/* - * Mapcount of 0-order page; when compound sub-page, includes - * compound_mapcount of compound_head of page. +/** + * page_mapcount() - Number of times this precise page is mapped. + * @page: The page. * - * Result is undefined for pages which cannot be mapped into userspace. + * The number of times this page is mapped. If this page is part of + * a large folio, it includes the number of times this page is mapped + * as part of that folio. + * + * The result is undefined for pages which cannot be mapped into userspace. * For example SLAB or special types of pages. See function page_has_type(). - * They use this place in struct page differently. + * They use this field in struct page differently. */ static inline int page_mapcount(struct page *page) { int mapcount = atomic_read(&page->_mapcount) + 1; - if (likely(!PageCompound(page))) - return mapcount; - page = compound_head(page); - return head_compound_mapcount(page) + mapcount; + if (unlikely(PageCompound(page))) + mapcount += folio_entire_mapcount(page_folio(page)); + + return mapcount; } -int total_compound_mapcount(struct page *head); +int folio_total_mapcount(struct folio *folio); /** * folio_mapcount() - Calculate the number of mappings of this folio. @@ -907,24 +1000,24 @@ static inline int folio_mapcount(struct folio *folio) { if (likely(!folio_test_large(folio))) return atomic_read(&folio->_mapcount) + 1; - return total_compound_mapcount(&folio->page); + return folio_total_mapcount(folio); } static inline int total_mapcount(struct page *page) { if (likely(!PageCompound(page))) return atomic_read(&page->_mapcount) + 1; - return total_compound_mapcount(compound_head(page)); + return folio_total_mapcount(page_folio(page)); } static inline bool folio_large_is_mapped(struct folio *folio) { /* - * Reading folio_mapcount_ptr() below could be omitted if hugetlb - * participated in incrementing subpages_mapcount when compound mapped. + * Reading _entire_mapcount below could be omitted if hugetlb + * participated in incrementing nr_pages_mapped when compound mapped. */ - return atomic_read(folio_subpages_mapcount_ptr(folio)) > 0 || - atomic_read(folio_mapcount_ptr(folio)) >= 0; + return atomic_read(&folio->_nr_pages_mapped) > 0 || + atomic_read(&folio->_entire_mapcount) >= 0; } /** @@ -999,8 +1092,11 @@ extern compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS]; static inline void set_compound_page_dtor(struct page *page, enum compound_dtor_id compound_dtor) { + struct folio *folio = (struct folio *)page; + VM_BUG_ON_PAGE(compound_dtor >= NR_COMPOUND_DTORS, page); - page[1].compound_dtor = compound_dtor; + VM_BUG_ON_PAGE(!PageHead(page), page); + folio->_folio_dtor = compound_dtor; } static inline void folio_set_compound_dtor(struct folio *folio, @@ -1012,44 +1108,13 @@ static inline void folio_set_compound_dtor(struct folio *folio, void destroy_large_folio(struct folio *folio); -static inline int head_compound_pincount(struct page *head) -{ - return atomic_read(compound_pincount_ptr(head)); -} - static inline void set_compound_order(struct page *page, unsigned int order) { - page[1].compound_order = order; -#ifdef CONFIG_64BIT - page[1].compound_nr = 1U << order; -#endif -} - -/* - * folio_set_compound_order is generally passed a non-zero order to - * initialize a large folio. However, hugetlb code abuses this by - * passing in zero when 'dissolving' a large folio. - */ -static inline void folio_set_compound_order(struct folio *folio, - unsigned int order) -{ - VM_BUG_ON_FOLIO(!folio_test_large(folio), folio); + struct folio *folio = (struct folio *)page; folio->_folio_order = order; #ifdef CONFIG_64BIT - folio->_folio_nr_pages = order ? 1U << order : 0; -#endif -} - -/* Returns the number of pages in this potentially compound page. */ -static inline unsigned long compound_nr(struct page *page) -{ - if (!PageHead(page)) - return 1; -#ifdef CONFIG_64BIT - return page[1].compound_nr; -#else - return 1UL << compound_order(page); + folio->_folio_nr_pages = 1U << order; #endif } @@ -1076,16 +1141,6 @@ static inline unsigned int thp_order(struct page *page) } /** - * thp_nr_pages - The number of regular pages in this huge page. - * @page: The head page of a huge page. - */ -static inline int thp_nr_pages(struct page *page) -{ - VM_BUG_ON_PGFLAGS(PageTail(page), page); - return compound_nr(page); -} - -/** * thp_size - Size of a transparent huge page. * @page: Head page of a transparent huge page. * @@ -1226,8 +1281,6 @@ static inline void get_page(struct page *page) folio_get(page_folio(page)); } -int __must_check try_grab_page(struct page *page, unsigned int flags); - static inline __must_check bool try_get_page(struct page *page) { page = compound_head(page); @@ -1369,6 +1422,21 @@ static inline bool is_cow_mapping(vm_flags_t flags) return (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE; } +#ifndef CONFIG_MMU +static inline bool is_nommu_shared_mapping(vm_flags_t flags) +{ + /* + * NOMMU shared mappings are ordinary MAP_SHARED mappings and selected + * R/O MAP_PRIVATE file mappings that are an effective R/O overlay of + * a file mapping. R/O MAP_PRIVATE mappings might still modify + * underlying memory if ptrace is active, so this is only possible if + * ptrace does not apply. Note that there is no mprotect() to upgrade + * write permissions later. + */ + return flags & (VM_MAYSHARE | VM_MAYOVERLAY); +} +#endif + #if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) #define SECTION_IN_PAGE_FLAGS #endif @@ -1643,11 +1711,6 @@ static inline struct folio *pfn_folio(unsigned long pfn) return page_folio(pfn_to_page(pfn)); } -static inline atomic_t *folio_pincount_ptr(struct folio *folio) -{ - return &folio_page(folio, 1)->compound_pincount; -} - /** * folio_maybe_dma_pinned - Report if a folio may be pinned for DMA. * @folio: The folio. @@ -1665,7 +1728,7 @@ static inline atomic_t *folio_pincount_ptr(struct folio *folio) * expected to be able to deal gracefully with a false positive. * * For large folios, the result will be exactly correct. That's because - * we have more tracking data available: the compound_pincount is used + * we have more tracking data available: the _pincount field is used * instead of the GUP_PIN_COUNTING_BIAS scheme. * * For more information, please see Documentation/core-api/pin_user_pages.rst. @@ -1676,7 +1739,7 @@ static inline atomic_t *folio_pincount_ptr(struct folio *folio) static inline bool folio_maybe_dma_pinned(struct folio *folio) { if (folio_test_large(folio)) - return atomic_read(folio_pincount_ptr(folio)) > 0; + return atomic_read(&folio->_pincount) > 0; /* * folio_ref_count() is signed. If that refcount overflows, then @@ -1784,6 +1847,33 @@ static inline long folio_nr_pages(struct folio *folio) #endif } +/* + * compound_nr() returns the number of pages in this potentially compound + * page. compound_nr() can be called on a tail page, and is defined to + * return 1 in that case. + */ +static inline unsigned long compound_nr(struct page *page) +{ + struct folio *folio = (struct folio *)page; + + if (!test_bit(PG_head, &folio->flags)) + return 1; +#ifdef CONFIG_64BIT + return folio->_folio_nr_pages; +#else + return 1L << folio->_folio_order; +#endif +} + +/** + * thp_nr_pages - The number of regular pages in this huge page. + * @page: The head page of a huge page. + */ +static inline int thp_nr_pages(struct page *page) +{ + return folio_nr_pages((struct folio *)page); +} + /** * folio_next - Move to the next physical folio. * @folio: The folio we're currently operating on. @@ -1833,6 +1923,24 @@ static inline size_t folio_size(struct folio *folio) return PAGE_SIZE << folio_order(folio); } +/** + * folio_estimated_sharers - Estimate the number of sharers of a folio. + * @folio: The folio. + * + * folio_estimated_sharers() aims to serve as a function to efficiently + * estimate the number of processes sharing a folio. This is done by + * looking at the precise mapcount of the first subpage in the folio, and + * assuming the other subpages are the same. This may not be true for large + * folios. If you want exact mapcounts for exact calculations, look at + * page_mapcount() or folio_total_mapcount(). + * + * Return: The estimated number of processes sharing a folio. + */ +static inline int folio_estimated_sharers(struct folio *folio) +{ + return page_mapcount(folio_page(folio, 0)); +} + #ifndef HAVE_ARCH_MAKE_PAGE_ACCESSIBLE static inline int arch_make_page_accessible(struct page *page) { @@ -1929,6 +2037,21 @@ static inline bool page_is_pfmemalloc(const struct page *page) } /* + * Return true only if the folio has been allocated with + * ALLOC_NO_WATERMARKS and the low watermark was not + * met implying that the system is under some pressure. + */ +static inline bool folio_is_pfmemalloc(const struct folio *folio) +{ + /* + * lru.next has bit 1 set if the page is allocated from the + * pfmemalloc reserves. Callers may simply overwrite it if + * they do not need to preserve that information. + */ + return (uintptr_t)folio->lru.next & BIT(1); +} + +/* * Only to be called by the page allocator on a freshly allocated * page. */ @@ -1982,6 +2105,31 @@ struct zap_details { /* Set in unmap_vmas() to indicate a final unmap call. Only used by hugetlb */ #define ZAP_FLAG_UNMAP ((__force zap_flags_t) BIT(1)) +#ifdef CONFIG_SCHED_MM_CID +void sched_mm_cid_before_execve(struct task_struct *t); +void sched_mm_cid_after_execve(struct task_struct *t); +void sched_mm_cid_fork(struct task_struct *t); +void sched_mm_cid_exit_signals(struct task_struct *t); +static inline int task_mm_cid(struct task_struct *t) +{ + return t->mm_cid; +} +#else +static inline void sched_mm_cid_before_execve(struct task_struct *t) { } +static inline void sched_mm_cid_after_execve(struct task_struct *t) { } +static inline void sched_mm_cid_fork(struct task_struct *t) { } +static inline void sched_mm_cid_exit_signals(struct task_struct *t) { } +static inline int task_mm_cid(struct task_struct *t) +{ + /* + * Use the processor id as a fall-back when the mm cid feature is + * disabled. This provides functional per-cpu data structure accesses + * in user-space, althrough it won't provide the memory usage benefits. + */ + return raw_smp_processor_id(); +} +#endif + #ifdef CONFIG_MMU extern bool can_do_mlock(void); #else @@ -1990,6 +2138,8 @@ static inline bool can_do_mlock(void) { return false; } extern int user_shm_lock(size_t, struct ucounts *); extern void user_shm_unlock(size_t, struct ucounts *); +struct folio *vm_normal_folio(struct vm_area_struct *vma, unsigned long addr, + pte_t pte); struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, pte_t pte); struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, @@ -1997,13 +2147,16 @@ struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, unsigned long size); -void zap_page_range(struct vm_area_struct *vma, unsigned long address, - unsigned long size); void zap_page_range_single(struct vm_area_struct *vma, unsigned long address, unsigned long size, struct zap_details *details); +static inline void zap_vma_pages(struct vm_area_struct *vma) +{ + zap_page_range_single(vma, vma->vm_start, + vma->vm_end - vma->vm_start, NULL); +} void unmap_vmas(struct mmu_gather *tlb, struct maple_tree *mt, struct vm_area_struct *start_vma, unsigned long start, - unsigned long end); + unsigned long end, bool mm_wr_locked); struct mmu_notifier_range; @@ -2101,8 +2254,6 @@ int __account_locked_vm(struct mm_struct *mm, unsigned long pages, bool inc, struct task_struct *task, bool bypass_rlim); struct kvec; -int get_kernel_pages(const struct kvec *iov, int nr_pages, int write, - struct page **pages); struct page *get_dump_page(unsigned long addr); bool folio_mark_dirty(struct folio *folio); @@ -2152,21 +2303,18 @@ static inline bool vma_wants_manual_pte_write_upgrade(struct vm_area_struct *vma } bool can_change_pte_writable(struct vm_area_struct *vma, unsigned long addr, pte_t pte); -extern unsigned long change_protection(struct mmu_gather *tlb, +extern long change_protection(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long start, - unsigned long end, pgprot_t newprot, - unsigned long cp_flags); -extern int mprotect_fixup(struct mmu_gather *tlb, struct vm_area_struct *vma, - struct vm_area_struct **pprev, unsigned long start, - unsigned long end, unsigned long newflags); + unsigned long end, unsigned long cp_flags); +extern int mprotect_fixup(struct vma_iterator *vmi, struct mmu_gather *tlb, + struct vm_area_struct *vma, struct vm_area_struct **pprev, + unsigned long start, unsigned long end, unsigned long newflags); /* * doesn't attempt to fault and will return short. */ int get_user_pages_fast_only(unsigned long start, int nr_pages, unsigned int gup_flags, struct page **pages); -int pin_user_pages_fast_only(unsigned long start, int nr_pages, - unsigned int gup_flags, struct page **pages); static inline bool get_user_page_fast_only(unsigned long addr, unsigned int gup_flags, struct page **pagep) @@ -2790,23 +2938,21 @@ void anon_vma_interval_tree_verify(struct anon_vma_chain *node); /* mmap.c */ extern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin); -extern int __vma_adjust(struct vm_area_struct *vma, unsigned long start, - unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert, - struct vm_area_struct *expand); -static inline int vma_adjust(struct vm_area_struct *vma, unsigned long start, - unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert) -{ - return __vma_adjust(vma, start, end, pgoff, insert, NULL); -} -extern struct vm_area_struct *vma_merge(struct mm_struct *, - struct vm_area_struct *prev, unsigned long addr, unsigned long end, - unsigned long vm_flags, struct anon_vma *, struct file *, pgoff_t, - struct mempolicy *, struct vm_userfaultfd_ctx, struct anon_vma_name *); +extern int vma_expand(struct vma_iterator *vmi, struct vm_area_struct *vma, + unsigned long start, unsigned long end, pgoff_t pgoff, + struct vm_area_struct *next); +extern int vma_shrink(struct vma_iterator *vmi, struct vm_area_struct *vma, + unsigned long start, unsigned long end, pgoff_t pgoff); +extern struct vm_area_struct *vma_merge(struct vma_iterator *vmi, + struct mm_struct *, struct vm_area_struct *prev, unsigned long addr, + unsigned long end, unsigned long vm_flags, struct anon_vma *, + struct file *, pgoff_t, struct mempolicy *, struct vm_userfaultfd_ctx, + struct anon_vma_name *); extern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *); -extern int __split_vma(struct mm_struct *, struct vm_area_struct *, - unsigned long addr, int new_below); -extern int split_vma(struct mm_struct *, struct vm_area_struct *, - unsigned long addr, int new_below); +extern int __split_vma(struct vma_iterator *vmi, struct vm_area_struct *, + unsigned long addr, int new_below); +extern int split_vma(struct vma_iterator *vmi, struct vm_area_struct *, + unsigned long addr, int new_below); extern int insert_vm_struct(struct mm_struct *, struct vm_area_struct *); extern void unlink_file_vma(struct vm_area_struct *); extern struct vm_area_struct *copy_vma(struct vm_area_struct **, @@ -2814,9 +2960,6 @@ extern struct vm_area_struct *copy_vma(struct vm_area_struct **, bool *need_rmap_locks); extern void exit_mmap(struct mm_struct *); -void vma_mas_store(struct vm_area_struct *vma, struct ma_state *mas); -void vma_mas_remove(struct vm_area_struct *vma, struct ma_state *mas); - static inline int check_data_rlimit(unsigned long rlim, unsigned long new, unsigned long start, @@ -2864,7 +3007,7 @@ extern unsigned long mmap_region(struct file *file, unsigned long addr, extern unsigned long do_mmap(struct file *file, unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long pgoff, unsigned long *populate, struct list_head *uf); -extern int do_mas_munmap(struct ma_state *mas, struct mm_struct *mm, +extern int do_vmi_munmap(struct vma_iterator *vmi, struct mm_struct *mm, unsigned long start, size_t len, struct list_head *uf, bool downgrade); extern int do_munmap(struct mm_struct *, unsigned long, size_t, @@ -2872,6 +3015,9 @@ extern int do_munmap(struct mm_struct *, unsigned long, size_t, extern int do_madvise(struct mm_struct *mm, unsigned long start, size_t len_in, int behavior); #ifdef CONFIG_MMU +extern int do_vma_munmap(struct vma_iterator *vmi, struct vm_area_struct *vma, + unsigned long start, unsigned long end, + struct list_head *uf, bool downgrade); extern int __mm_populate(unsigned long addr, unsigned long len, int ignore_errors); static inline void mm_populate(unsigned long addr, unsigned long len) @@ -3077,81 +3223,6 @@ static inline vm_fault_t vmf_error(int err) struct page *follow_page(struct vm_area_struct *vma, unsigned long address, unsigned int foll_flags); -#define FOLL_WRITE 0x01 /* check pte is writable */ -#define FOLL_TOUCH 0x02 /* mark page accessed */ -#define FOLL_GET 0x04 /* do get_page on page */ -#define FOLL_DUMP 0x08 /* give error on hole if it would be zero */ -#define FOLL_FORCE 0x10 /* get_user_pages read/write w/o permission */ -#define FOLL_NOWAIT 0x20 /* if a disk transfer is needed, start the IO - * and return without waiting upon it */ -#define FOLL_NOFAULT 0x80 /* do not fault in pages */ -#define FOLL_HWPOISON 0x100 /* check page is hwpoisoned */ -#define FOLL_TRIED 0x800 /* a retry, previous pass started an IO */ -#define FOLL_REMOTE 0x2000 /* we are working on non-current tsk/mm */ -#define FOLL_ANON 0x8000 /* don't do file mappings */ -#define FOLL_LONGTERM 0x10000 /* mapping lifetime is indefinite: see below */ -#define FOLL_SPLIT_PMD 0x20000 /* split huge pmd before returning */ -#define FOLL_PIN 0x40000 /* pages must be released via unpin_user_page */ -#define FOLL_FAST_ONLY 0x80000 /* gup_fast: prevent fall-back to slow gup */ -#define FOLL_PCI_P2PDMA 0x100000 /* allow returning PCI P2PDMA pages */ -#define FOLL_INTERRUPTIBLE 0x200000 /* allow interrupts from generic signals */ - -/* - * FOLL_PIN and FOLL_LONGTERM may be used in various combinations with each - * other. Here is what they mean, and how to use them: - * - * FOLL_LONGTERM indicates that the page will be held for an indefinite time - * period _often_ under userspace control. This is in contrast to - * iov_iter_get_pages(), whose usages are transient. - * - * FIXME: For pages which are part of a filesystem, mappings are subject to the - * lifetime enforced by the filesystem and we need guarantees that longterm - * users like RDMA and V4L2 only establish mappings which coordinate usage with - * the filesystem. Ideas for this coordination include revoking the longterm - * pin, delaying writeback, bounce buffer page writeback, etc. As FS DAX was - * added after the problem with filesystems was found FS DAX VMAs are - * specifically failed. Filesystem pages are still subject to bugs and use of - * FOLL_LONGTERM should be avoided on those pages. - * - * FIXME: Also NOTE that FOLL_LONGTERM is not supported in every GUP call. - * Currently only get_user_pages() and get_user_pages_fast() support this flag - * and calls to get_user_pages_[un]locked are specifically not allowed. This - * is due to an incompatibility with the FS DAX check and - * FAULT_FLAG_ALLOW_RETRY. - * - * In the CMA case: long term pins in a CMA region would unnecessarily fragment - * that region. And so, CMA attempts to migrate the page before pinning, when - * FOLL_LONGTERM is specified. - * - * FOLL_PIN indicates that a special kind of tracking (not just page->_refcount, - * but an additional pin counting system) will be invoked. This is intended for - * anything that gets a page reference and then touches page data (for example, - * Direct IO). This lets the filesystem know that some non-file-system entity is - * potentially changing the pages' data. In contrast to FOLL_GET (whose pages - * are released via put_page()), FOLL_PIN pages must be released, ultimately, by - * a call to unpin_user_page(). - * - * FOLL_PIN is similar to FOLL_GET: both of these pin pages. They use different - * and separate refcounting mechanisms, however, and that means that each has - * its own acquire and release mechanisms: - * - * FOLL_GET: get_user_pages*() to acquire, and put_page() to release. - * - * FOLL_PIN: pin_user_pages*() to acquire, and unpin_user_pages to release. - * - * FOLL_PIN and FOLL_GET are mutually exclusive for a given function call. - * (The underlying pages may experience both FOLL_GET-based and FOLL_PIN-based - * calls applied to them, and that's perfectly OK. This is a constraint on the - * callers, not on the pages.) - * - * FOLL_PIN should be set internally by the pin_user_pages*() APIs, never - * directly by the caller. That's in order to help avoid mismatches when - * releasing pages: get_user_pages*() pages must be released via put_page(), - * while pin_user_pages*() pages must be released via unpin_user_page(). - * - * Please see Documentation/core-api/pin_user_pages.rst for more information. - */ - static inline int vm_fault_to_errno(vm_fault_t vm_fault, int foll_flags) { if (vm_fault & VM_FAULT_OOM) @@ -3164,71 +3235,6 @@ static inline int vm_fault_to_errno(vm_fault_t vm_fault, int foll_flags) } /* - * Indicates for which pages that are write-protected in the page table, - * whether GUP has to trigger unsharing via FAULT_FLAG_UNSHARE such that the - * GUP pin will remain consistent with the pages mapped into the page tables - * of the MM. - * - * Temporary unmapping of PageAnonExclusive() pages or clearing of - * PageAnonExclusive() has to protect against concurrent GUP: - * * Ordinary GUP: Using the PT lock - * * GUP-fast and fork(): mm->write_protect_seq - * * GUP-fast and KSM or temporary unmapping (swap, migration): see - * page_try_share_anon_rmap() - * - * Must be called with the (sub)page that's actually referenced via the - * page table entry, which might not necessarily be the head page for a - * PTE-mapped THP. - * - * If the vma is NULL, we're coming from the GUP-fast path and might have - * to fallback to the slow path just to lookup the vma. - */ -static inline bool gup_must_unshare(struct vm_area_struct *vma, - unsigned int flags, struct page *page) -{ - /* - * FOLL_WRITE is implicitly handled correctly as the page table entry - * has to be writable -- and if it references (part of) an anonymous - * folio, that part is required to be marked exclusive. - */ - if ((flags & (FOLL_WRITE | FOLL_PIN)) != FOLL_PIN) - return false; - /* - * Note: PageAnon(page) is stable until the page is actually getting - * freed. - */ - if (!PageAnon(page)) { - /* - * We only care about R/O long-term pining: R/O short-term - * pinning does not have the semantics to observe successive - * changes through the process page tables. - */ - if (!(flags & FOLL_LONGTERM)) - return false; - - /* We really need the vma ... */ - if (!vma) - return true; - - /* - * ... because we only care about writable private ("COW") - * mappings where we have to break COW early. - */ - return is_cow_mapping(vma->vm_flags); - } - - /* Paired with a memory barrier in page_try_share_anon_rmap(). */ - if (IS_ENABLED(CONFIG_HAVE_FAST_GUP)) - smp_rmb(); - - /* - * Note that PageKsm() pages cannot be exclusive, and consequently, - * cannot get pinned. - */ - return !PageAnonExclusive(page); -} - -/* * Indicates whether GUP can follow a PROT_NONE mapped page, or whether * a (NUMA hinting) fault is required. */ @@ -3527,6 +3533,11 @@ enum mf_action_page_type { MF_MSG_UNKNOWN, }; +/* + * Sysfs entries for memory failure handling statistics. + */ +extern const struct attribute_group memory_failure_attr_group; + #if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS) extern void clear_huge_page(struct page *page, unsigned long addr_hint, @@ -3644,7 +3655,7 @@ static inline int seal_check_future_write(int seals, struct vm_area_struct *vma) * VM_MAYWRITE as we still want them to be COW-writable. */ if (vma->vm_flags & VM_SHARED) - vma->vm_flags &= ~(VM_MAYWRITE); + vm_flags_clear(vma, VM_MAYWRITE); } return 0; diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index ff3f3f23f649..de1e622dd366 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -178,7 +178,7 @@ static inline void lru_gen_update_size(struct lruvec *lruvec, struct folio *foli int zone = folio_zonenum(folio); int delta = folio_nr_pages(folio); enum lru_list lru = type * LRU_INACTIVE_FILE; - struct lru_gen_struct *lrugen = &lruvec->lrugen; + struct lru_gen_folio *lrugen = &lruvec->lrugen; VM_WARN_ON_ONCE(old_gen != -1 && old_gen >= MAX_NR_GENS); VM_WARN_ON_ONCE(new_gen != -1 && new_gen >= MAX_NR_GENS); @@ -224,7 +224,7 @@ static inline bool lru_gen_add_folio(struct lruvec *lruvec, struct folio *folio, int gen = folio_lru_gen(folio); int type = folio_is_file_lru(folio); int zone = folio_zonenum(folio); - struct lru_gen_struct *lrugen = &lruvec->lrugen; + struct lru_gen_folio *lrugen = &lruvec->lrugen; VM_WARN_ON_ONCE_FOLIO(gen != -1, folio); @@ -256,9 +256,9 @@ static inline bool lru_gen_add_folio(struct lruvec *lruvec, struct folio *folio, lru_gen_update_size(lruvec, folio, -1, gen); /* for folio_rotate_reclaimable() */ if (reclaiming) - list_add_tail(&folio->lru, &lrugen->lists[gen][type][zone]); + list_add_tail(&folio->lru, &lrugen->folios[gen][type][zone]); else - list_add(&folio->lru, &lrugen->lists[gen][type][zone]); + list_add(&folio->lru, &lrugen->folios[gen][type][zone]); return true; } @@ -577,4 +577,15 @@ pte_install_uffd_wp_if_needed(struct vm_area_struct *vma, unsigned long addr, #endif } +static inline bool vma_has_recency(struct vm_area_struct *vma) +{ + if (vma->vm_flags & (VM_SEQ_READ | VM_RAND_READ)) + return false; + + if (vma->vm_file && (vma->vm_file->f_mode & FMODE_NOREUSE)) + return false; + + return true; +} + #endif diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 9757067c3053..0722859c3647 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -140,30 +140,6 @@ struct page { }; struct { /* Tail pages of compound page */ unsigned long compound_head; /* Bit zero is set */ - - /* First tail page only */ - unsigned char compound_dtor; - unsigned char compound_order; - atomic_t compound_mapcount; - atomic_t subpages_mapcount; - atomic_t compound_pincount; -#ifdef CONFIG_64BIT - unsigned int compound_nr; /* 1 << compound_order */ -#endif - }; - struct { /* Second tail page of transparent huge page */ - unsigned long _compound_pad_1; /* compound_head */ - unsigned long _compound_pad_2; - /* For both global and memcg */ - struct list_head deferred_list; - }; - struct { /* Second tail page of hugetlb page */ - unsigned long _hugetlb_pad_1; /* compound_head */ - void *hugetlb_subpool; - void *hugetlb_cgroup; - void *hugetlb_cgroup_rsvd; - void *hugetlb_hwpoison; - /* No more space on 32-bit: use third tail if more */ }; struct { /* Page table pages */ unsigned long _pt_pad_1; /* compound_head */ @@ -302,20 +278,17 @@ static inline struct page *encoded_page_ptr(struct encoded_page *page) * @_refcount: Do not access this member directly. Use folio_ref_count() * to find how many references there are to this folio. * @memcg_data: Memory Control Group data. - * @_flags_1: For large folios, additional page flags. - * @_head_1: Points to the folio. Do not use. * @_folio_dtor: Which destructor to use for this folio. * @_folio_order: Do not use directly, call folio_order(). - * @_compound_mapcount: Do not use directly, call folio_entire_mapcount(). - * @_subpages_mapcount: Do not use directly, call folio_mapcount(). + * @_entire_mapcount: Do not use directly, call folio_entire_mapcount(). + * @_nr_pages_mapped: Do not use directly, call folio_mapcount(). * @_pincount: Do not use directly, call folio_maybe_dma_pinned(). * @_folio_nr_pages: Do not use directly, call folio_nr_pages(). - * @_flags_2: For alignment. Do not use. - * @_head_2: Points to the folio. Do not use. * @_hugetlb_subpool: Do not use directly, use accessor in hugetlb.h. * @_hugetlb_cgroup: Do not use directly, use accessor in hugetlb_cgroup.h. * @_hugetlb_cgroup_rsvd: Do not use directly, use accessor in hugetlb_cgroup.h. * @_hugetlb_hwpoison: Do not use directly, call raw_hwp_list_head(). + * @_deferred_list: Folios to be split under memory pressure. * * A folio is a physically, virtually and logically contiguous set * of bytes. It is a power-of-two in size, and it is aligned to that @@ -358,14 +331,16 @@ struct folio { struct { unsigned long _flags_1; unsigned long _head_1; + /* public: */ unsigned char _folio_dtor; unsigned char _folio_order; - atomic_t _compound_mapcount; - atomic_t _subpages_mapcount; + atomic_t _entire_mapcount; + atomic_t _nr_pages_mapped; atomic_t _pincount; #ifdef CONFIG_64BIT unsigned int _folio_nr_pages; #endif + /* private: the union with struct page is transitional */ }; struct page __page_1; }; @@ -373,10 +348,19 @@ struct folio { struct { unsigned long _flags_2; unsigned long _head_2; + /* public: */ void *_hugetlb_subpool; void *_hugetlb_cgroup; void *_hugetlb_cgroup_rsvd; void *_hugetlb_hwpoison; + /* private: the union with struct page is transitional */ + }; + struct { + unsigned long _flags_2a; + unsigned long _head_2a; + /* public: */ + struct list_head _deferred_list; + /* private: the union with struct page is transitional */ }; struct page __page_2; }; @@ -401,53 +385,14 @@ FOLIO_MATCH(memcg_data, memcg_data); offsetof(struct page, pg) + sizeof(struct page)) FOLIO_MATCH(flags, _flags_1); FOLIO_MATCH(compound_head, _head_1); -FOLIO_MATCH(compound_dtor, _folio_dtor); -FOLIO_MATCH(compound_order, _folio_order); -FOLIO_MATCH(compound_mapcount, _compound_mapcount); -FOLIO_MATCH(subpages_mapcount, _subpages_mapcount); -FOLIO_MATCH(compound_pincount, _pincount); -#ifdef CONFIG_64BIT -FOLIO_MATCH(compound_nr, _folio_nr_pages); -#endif #undef FOLIO_MATCH #define FOLIO_MATCH(pg, fl) \ static_assert(offsetof(struct folio, fl) == \ offsetof(struct page, pg) + 2 * sizeof(struct page)) FOLIO_MATCH(flags, _flags_2); FOLIO_MATCH(compound_head, _head_2); -FOLIO_MATCH(hugetlb_subpool, _hugetlb_subpool); -FOLIO_MATCH(hugetlb_cgroup, _hugetlb_cgroup); -FOLIO_MATCH(hugetlb_cgroup_rsvd, _hugetlb_cgroup_rsvd); -FOLIO_MATCH(hugetlb_hwpoison, _hugetlb_hwpoison); #undef FOLIO_MATCH -static inline atomic_t *folio_mapcount_ptr(struct folio *folio) -{ - struct page *tail = &folio->page + 1; - return &tail->compound_mapcount; -} - -static inline atomic_t *folio_subpages_mapcount_ptr(struct folio *folio) -{ - struct page *tail = &folio->page + 1; - return &tail->subpages_mapcount; -} - -static inline atomic_t *compound_mapcount_ptr(struct page *page) -{ - return &page[1].compound_mapcount; -} - -static inline atomic_t *subpages_mapcount_ptr(struct page *page) -{ - return &page[1].subpages_mapcount; -} - -static inline atomic_t *compound_pincount_ptr(struct page *page) -{ - return &page[1].compound_pincount; -} - /* * Used for sizing the vmemmap region on some architectures */ @@ -546,7 +491,15 @@ struct vm_area_struct { * See vmf_insert_mixed_prot() for discussion. */ pgprot_t vm_page_prot; - unsigned long vm_flags; /* Flags, see mm.h. */ + + /* + * Flags, see mm.h. + * To modify use vm_flags_{init|reset|set|clear|mod} functions. + */ + union { + const vm_flags_t vm_flags; + vm_flags_t __private __vm_flags; + }; /* * For areas with an address space and backing store, @@ -645,9 +598,20 @@ struct mm_struct { * &struct mm_struct is freed. */ atomic_t mm_count; - +#ifdef CONFIG_SCHED_MM_CID + /** + * @cid_lock: Protect cid bitmap updates vs lookups. + * + * Prevent situations where updates to the cid bitmap happen + * concurrently with lookups. Those can lead to situations + * where a lookup cannot find a free bit simply because it was + * unlucky enough to load, non-atomically, bitmap words as they + * were being concurrently updated by the updaters. + */ + raw_spinlock_t cid_lock; +#endif #ifdef CONFIG_MMU - atomic_long_t pgtables_bytes; /* PTE page table pages */ + atomic_long_t pgtables_bytes; /* size of all page tables */ #endif int map_count; /* number of VMAs */ @@ -904,11 +868,39 @@ struct vma_iterator { static inline void vma_iter_init(struct vma_iterator *vmi, struct mm_struct *mm, unsigned long addr) { - vmi->mas.tree = &mm->mm_mt; - vmi->mas.index = addr; - vmi->mas.node = MAS_START; + mas_init(&vmi->mas, &mm->mm_mt, addr); +} + +#ifdef CONFIG_SCHED_MM_CID +/* Accessor for struct mm_struct's cidmask. */ +static inline cpumask_t *mm_cidmask(struct mm_struct *mm) +{ + unsigned long cid_bitmap = (unsigned long)mm; + + cid_bitmap += offsetof(struct mm_struct, cpu_bitmap); + /* Skip cpu_bitmap */ + cid_bitmap += cpumask_size(); + return (struct cpumask *)cid_bitmap; +} + +static inline void mm_init_cid(struct mm_struct *mm) +{ + raw_spin_lock_init(&mm->cid_lock); + cpumask_clear(mm_cidmask(mm)); } +static inline unsigned int mm_cid_size(void) +{ + return cpumask_size(); +} +#else /* CONFIG_SCHED_MM_CID */ +static inline void mm_init_cid(struct mm_struct *mm) { } +static inline unsigned int mm_cid_size(void) +{ + return 0; +} +#endif /* CONFIG_SCHED_MM_CID */ + struct mmu_gather; extern void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm); extern void tlb_gather_mmu_fullmm(struct mmu_gather *tlb, struct mm_struct *mm); @@ -1085,4 +1077,87 @@ enum fault_flag { typedef unsigned int __bitwise zap_flags_t; +/* + * FOLL_PIN and FOLL_LONGTERM may be used in various combinations with each + * other. Here is what they mean, and how to use them: + * + * + * FIXME: For pages which are part of a filesystem, mappings are subject to the + * lifetime enforced by the filesystem and we need guarantees that longterm + * users like RDMA and V4L2 only establish mappings which coordinate usage with + * the filesystem. Ideas for this coordination include revoking the longterm + * pin, delaying writeback, bounce buffer page writeback, etc. As FS DAX was + * added after the problem with filesystems was found FS DAX VMAs are + * specifically failed. Filesystem pages are still subject to bugs and use of + * FOLL_LONGTERM should be avoided on those pages. + * + * In the CMA case: long term pins in a CMA region would unnecessarily fragment + * that region. And so, CMA attempts to migrate the page before pinning, when + * FOLL_LONGTERM is specified. + * + * FOLL_PIN indicates that a special kind of tracking (not just page->_refcount, + * but an additional pin counting system) will be invoked. This is intended for + * anything that gets a page reference and then touches page data (for example, + * Direct IO). This lets the filesystem know that some non-file-system entity is + * potentially changing the pages' data. In contrast to FOLL_GET (whose pages + * are released via put_page()), FOLL_PIN pages must be released, ultimately, by + * a call to unpin_user_page(). + * + * FOLL_PIN is similar to FOLL_GET: both of these pin pages. They use different + * and separate refcounting mechanisms, however, and that means that each has + * its own acquire and release mechanisms: + * + * FOLL_GET: get_user_pages*() to acquire, and put_page() to release. + * + * FOLL_PIN: pin_user_pages*() to acquire, and unpin_user_pages to release. + * + * FOLL_PIN and FOLL_GET are mutually exclusive for a given function call. + * (The underlying pages may experience both FOLL_GET-based and FOLL_PIN-based + * calls applied to them, and that's perfectly OK. This is a constraint on the + * callers, not on the pages.) + * + * FOLL_PIN should be set internally by the pin_user_pages*() APIs, never + * directly by the caller. That's in order to help avoid mismatches when + * releasing pages: get_user_pages*() pages must be released via put_page(), + * while pin_user_pages*() pages must be released via unpin_user_page(). + * + * Please see Documentation/core-api/pin_user_pages.rst for more information. + */ + +enum { + /* check pte is writable */ + FOLL_WRITE = 1 << 0, + /* do get_page on page */ + FOLL_GET = 1 << 1, + /* give error on hole if it would be zero */ + FOLL_DUMP = 1 << 2, + /* get_user_pages read/write w/o permission */ + FOLL_FORCE = 1 << 3, + /* + * if a disk transfer is needed, start the IO and return without waiting + * upon it + */ + FOLL_NOWAIT = 1 << 4, + /* do not fault in pages */ + FOLL_NOFAULT = 1 << 5, + /* check page is hwpoisoned */ + FOLL_HWPOISON = 1 << 6, + /* don't do file mappings */ + FOLL_ANON = 1 << 7, + /* + * FOLL_LONGTERM indicates that the page will be held for an indefinite + * time period _often_ under userspace control. This is in contrast to + * iov_iter_get_pages(), whose usages are transient. + */ + FOLL_LONGTERM = 1 << 8, + /* split huge pmd before returning */ + FOLL_SPLIT_PMD = 1 << 9, + /* allow returning PCI P2PDMA pages */ + FOLL_PCI_P2PDMA = 1 << 10, + /* allow interrupts from generic signals */ + FOLL_INTERRUPTIBLE = 1 << 11, + + /* See also internal only FOLL flags in mm/internal.h */ +}; + #endif /* _LINUX_MM_TYPES_H */ diff --git a/include/linux/mman.h b/include/linux/mman.h index 58b3abd457a3..cee1e4b566d8 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -156,4 +156,38 @@ calc_vm_flag_bits(unsigned long flags) } unsigned long vm_commit_limit(void); + +/* + * Denies creating a writable executable mapping or gaining executable permissions. + * + * This denies the following: + * + * a) mmap(PROT_WRITE | PROT_EXEC) + * + * b) mmap(PROT_WRITE) + * mprotect(PROT_EXEC) + * + * c) mmap(PROT_WRITE) + * mprotect(PROT_READ) + * mprotect(PROT_EXEC) + * + * But allows the following: + * + * d) mmap(PROT_READ | PROT_EXEC) + * mmap(PROT_READ | PROT_EXEC | PROT_BTI) + */ +static inline bool map_deny_write_exec(struct vm_area_struct *vma, unsigned long vm_flags) +{ + if (!test_bit(MMF_HAS_MDWE, ¤t->mm->flags)) + return false; + + if ((vm_flags & VM_EXEC) && (vm_flags & VM_WRITE)) + return true; + + if (!(vma->vm_flags & VM_EXEC) && (vm_flags & VM_EXEC)) + return true; + + return false; +} + #endif /* _LINUX_MMAN_H */ diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 8fdd3cf971a3..812e6b583b25 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -527,6 +527,7 @@ struct mmc_host { struct device_node; struct mmc_host *mmc_alloc_host(int extra, struct device *); +struct mmc_host *devm_mmc_alloc_host(struct device *dev, int extra); int mmc_add_host(struct mmc_host *); void mmc_remove_host(struct mmc_host *); void mmc_free_host(struct mmc_host *); diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h index 74f9d9a6d330..0e4ef9c5127a 100644 --- a/include/linux/mmc/sdio_ids.h +++ b/include/linux/mmc/sdio_ids.h @@ -102,6 +102,7 @@ #define SDIO_DEVICE_ID_MARVELL_8977_BT 0x9146 #define SDIO_DEVICE_ID_MARVELL_8987_WLAN 0x9149 #define SDIO_DEVICE_ID_MARVELL_8987_BT 0x914a +#define SDIO_DEVICE_ID_MARVELL_8978_WLAN 0x9159 #define SDIO_VENDOR_ID_MEDIATEK 0x037a #define SDIO_DEVICE_ID_MEDIATEK_MT7663 0x7663 diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h index 4ae2f2908f99..5d3d15e97868 100644 --- a/include/linux/mmc/slot-gpio.h +++ b/include/linux/mmc/slot-gpio.h @@ -15,6 +15,7 @@ struct mmc_host; int mmc_gpio_get_ro(struct mmc_host *host); int mmc_gpio_get_cd(struct mmc_host *host); +void mmc_gpio_set_cd_irq(struct mmc_host *host, int irq); int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id, unsigned int idx, bool override_active_level, unsigned int debounce); diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index d6c06e140277..64a3e051c3c4 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -269,7 +269,6 @@ extern struct lockdep_map __mmu_notifier_invalidate_range_start_map; #endif struct mmu_notifier_range { - struct vm_area_struct *vma; struct mm_struct *mm; unsigned long start; unsigned long end; @@ -514,12 +513,10 @@ static inline void mmu_notifier_subscriptions_destroy(struct mm_struct *mm) static inline void mmu_notifier_range_init(struct mmu_notifier_range *range, enum mmu_notifier_event event, unsigned flags, - struct vm_area_struct *vma, struct mm_struct *mm, unsigned long start, unsigned long end) { - range->vma = vma; range->event = event; range->mm = mm; range->start = start; @@ -530,10 +527,10 @@ static inline void mmu_notifier_range_init(struct mmu_notifier_range *range, static inline void mmu_notifier_range_init_owner( struct mmu_notifier_range *range, enum mmu_notifier_event event, unsigned int flags, - struct vm_area_struct *vma, struct mm_struct *mm, - unsigned long start, unsigned long end, void *owner) + struct mm_struct *mm, unsigned long start, + unsigned long end, void *owner) { - mmu_notifier_range_init(range, event, flags, vma, mm, start, end); + mmu_notifier_range_init(range, event, flags, mm, start, end); range->owner = owner; } @@ -659,9 +656,9 @@ static inline void _mmu_notifier_range_init(struct mmu_notifier_range *range, range->end = end; } -#define mmu_notifier_range_init(range,event,flags,vma,mm,start,end) \ +#define mmu_notifier_range_init(range,event,flags,mm,start,end) \ _mmu_notifier_range_init(range, start, end) -#define mmu_notifier_range_init_owner(range, event, flags, vma, mm, start, \ +#define mmu_notifier_range_init_owner(range, event, flags, mm, start, \ end, owner) \ _mmu_notifier_range_init(range, start, end) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index cd28a100d9e4..9fb1b03b83b2 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -7,6 +7,7 @@ #include <linux/spinlock.h> #include <linux/list.h> +#include <linux/list_nulls.h> #include <linux/wait.h> #include <linux/bitops.h> #include <linux/cache.h> @@ -312,7 +313,7 @@ enum lruvec_flags { * They form a sliding window of a variable size [MIN_NR_GENS, MAX_NR_GENS]. An * offset within MAX_NR_GENS, i.e., gen, indexes the LRU list of the * corresponding generation. The gen counter in folio->flags stores gen+1 while - * a page is on one of lrugen->lists[]. Otherwise it stores 0. + * a page is on one of lrugen->folios[]. Otherwise it stores 0. * * A page is added to the youngest generation on faulting. The aging needs to * check the accessed bit at least twice before handing this page over to the @@ -324,8 +325,8 @@ enum lruvec_flags { * rest of generations, if they exist, are considered inactive. See * lru_gen_is_active(). * - * PG_active is always cleared while a page is on one of lrugen->lists[] so that - * the aging needs not to worry about it. And it's set again when a page + * PG_active is always cleared while a page is on one of lrugen->folios[] so + * that the aging needs not to worry about it. And it's set again when a page * considered active is isolated for non-reclaiming purposes, e.g., migration. * See lru_gen_add_folio() and lru_gen_del_folio(). * @@ -404,7 +405,7 @@ enum { * The number of pages in each generation is eventually consistent and therefore * can be transiently negative when reset_batch_size() is pending. */ -struct lru_gen_struct { +struct lru_gen_folio { /* the aging increments the youngest generation number */ unsigned long max_seq; /* the eviction increments the oldest generation numbers */ @@ -412,7 +413,7 @@ struct lru_gen_struct { /* the birth time of each generation in jiffies */ unsigned long timestamps[MAX_NR_GENS]; /* the multi-gen LRU lists, lazily sorted on eviction */ - struct list_head lists[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES]; + struct list_head folios[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES]; /* the multi-gen LRU sizes, eventually consistent */ long nr_pages[MAX_NR_GENS][ANON_AND_FILE][MAX_NR_ZONES]; /* the exponential moving average of refaulted */ @@ -426,6 +427,14 @@ struct lru_gen_struct { atomic_long_t refaulted[NR_HIST_GENS][ANON_AND_FILE][MAX_NR_TIERS]; /* whether the multi-gen LRU is enabled */ bool enabled; +#ifdef CONFIG_MEMCG + /* the memcg generation this lru_gen_folio belongs to */ + u8 gen; + /* the list segment this lru_gen_folio belongs to */ + u8 seg; + /* per-node lru_gen_folio list for global reclaim */ + struct hlist_nulls_node list; +#endif }; enum { @@ -461,7 +470,7 @@ struct lru_gen_mm_state { struct lru_gen_mm_walk { /* the lruvec under reclaim */ struct lruvec *lruvec; - /* unstable max_seq from lru_gen_struct */ + /* unstable max_seq from lru_gen_folio */ unsigned long max_seq; /* the next address within an mm to scan */ unsigned long next_addr; @@ -479,12 +488,87 @@ void lru_gen_init_lruvec(struct lruvec *lruvec); void lru_gen_look_around(struct page_vma_mapped_walk *pvmw); #ifdef CONFIG_MEMCG + +/* + * For each node, memcgs are divided into two generations: the old and the + * young. For each generation, memcgs are randomly sharded into multiple bins + * to improve scalability. For each bin, the hlist_nulls is virtually divided + * into three segments: the head, the tail and the default. + * + * An onlining memcg is added to the tail of a random bin in the old generation. + * The eviction starts at the head of a random bin in the old generation. The + * per-node memcg generation counter, whose reminder (mod MEMCG_NR_GENS) indexes + * the old generation, is incremented when all its bins become empty. + * + * There are four operations: + * 1. MEMCG_LRU_HEAD, which moves an memcg to the head of a random bin in its + * current generation (old or young) and updates its "seg" to "head"; + * 2. MEMCG_LRU_TAIL, which moves an memcg to the tail of a random bin in its + * current generation (old or young) and updates its "seg" to "tail"; + * 3. MEMCG_LRU_OLD, which moves an memcg to the head of a random bin in the old + * generation, updates its "gen" to "old" and resets its "seg" to "default"; + * 4. MEMCG_LRU_YOUNG, which moves an memcg to the tail of a random bin in the + * young generation, updates its "gen" to "young" and resets its "seg" to + * "default". + * + * The events that trigger the above operations are: + * 1. Exceeding the soft limit, which triggers MEMCG_LRU_HEAD; + * 2. The first attempt to reclaim an memcg below low, which triggers + * MEMCG_LRU_TAIL; + * 3. The first attempt to reclaim an memcg below reclaimable size threshold, + * which triggers MEMCG_LRU_TAIL; + * 4. The second attempt to reclaim an memcg below reclaimable size threshold, + * which triggers MEMCG_LRU_YOUNG; + * 5. Attempting to reclaim an memcg below min, which triggers MEMCG_LRU_YOUNG; + * 6. Finishing the aging on the eviction path, which triggers MEMCG_LRU_YOUNG; + * 7. Offlining an memcg, which triggers MEMCG_LRU_OLD. + * + * Note that memcg LRU only applies to global reclaim, and the round-robin + * incrementing of their max_seq counters ensures the eventual fairness to all + * eligible memcgs. For memcg reclaim, it still relies on mem_cgroup_iter(). + */ +#define MEMCG_NR_GENS 2 +#define MEMCG_NR_BINS 8 + +struct lru_gen_memcg { + /* the per-node memcg generation counter */ + unsigned long seq; + /* each memcg has one lru_gen_folio per node */ + unsigned long nr_memcgs[MEMCG_NR_GENS]; + /* per-node lru_gen_folio list for global reclaim */ + struct hlist_nulls_head fifo[MEMCG_NR_GENS][MEMCG_NR_BINS]; + /* protects the above */ + spinlock_t lock; +}; + +void lru_gen_init_pgdat(struct pglist_data *pgdat); + void lru_gen_init_memcg(struct mem_cgroup *memcg); void lru_gen_exit_memcg(struct mem_cgroup *memcg); -#endif +void lru_gen_online_memcg(struct mem_cgroup *memcg); +void lru_gen_offline_memcg(struct mem_cgroup *memcg); +void lru_gen_release_memcg(struct mem_cgroup *memcg); +void lru_gen_soft_reclaim(struct lruvec *lruvec); + +#else /* !CONFIG_MEMCG */ + +#define MEMCG_NR_GENS 1 + +struct lru_gen_memcg { +}; + +static inline void lru_gen_init_pgdat(struct pglist_data *pgdat) +{ +} + +#endif /* CONFIG_MEMCG */ #else /* !CONFIG_LRU_GEN */ +static inline void lru_gen_init_pgdat(struct pglist_data *pgdat) +{ +} + static inline void lru_gen_init_lruvec(struct lruvec *lruvec) { } @@ -494,6 +578,7 @@ static inline void lru_gen_look_around(struct page_vma_mapped_walk *pvmw) } #ifdef CONFIG_MEMCG + static inline void lru_gen_init_memcg(struct mem_cgroup *memcg) { } @@ -501,7 +586,24 @@ static inline void lru_gen_init_memcg(struct mem_cgroup *memcg) static inline void lru_gen_exit_memcg(struct mem_cgroup *memcg) { } -#endif + +static inline void lru_gen_online_memcg(struct mem_cgroup *memcg) +{ +} + +static inline void lru_gen_offline_memcg(struct mem_cgroup *memcg) +{ +} + +static inline void lru_gen_release_memcg(struct mem_cgroup *memcg) +{ +} + +static inline void lru_gen_soft_reclaim(struct lruvec *lruvec) +{ +} + +#endif /* CONFIG_MEMCG */ #endif /* CONFIG_LRU_GEN */ @@ -524,7 +626,7 @@ struct lruvec { unsigned long flags; #ifdef CONFIG_LRU_GEN /* evictable pages divided into generations */ - struct lru_gen_struct lrugen; + struct lru_gen_folio lrugen; /* to concurrently iterate lru_gen_mm_list */ struct lru_gen_mm_state mm_state; #endif @@ -1110,6 +1212,31 @@ struct deferred_split { }; #endif +#ifdef CONFIG_MEMORY_FAILURE +/* + * Per NUMA node memory failure handling statistics. + */ +struct memory_failure_stats { + /* + * Number of raw pages poisoned. + * Cases not accounted: memory outside kernel control, offline page, + * arch-specific memory_failure (SGX), hwpoison_filter() filtered + * error events, and unpoison actions from hwpoison_unpoison. + */ + unsigned long total; + /* + * Recovery results of poisoned raw pages handled by memory_failure, + * in sync with mf_result. + * total = ignored + failed + delayed + recovered. + * total * PAGE_SIZE * #nodes = /proc/meminfo/HardwareCorrupted. + */ + unsigned long ignored; + unsigned long failed; + unsigned long delayed; + unsigned long recovered; +}; +#endif + /* * On NUMA machines, each NUMA node would have a pg_data_t to describe * it's memory layout. On UMA machines there is a single pglist_data which @@ -1243,6 +1370,8 @@ typedef struct pglist_data { #ifdef CONFIG_LRU_GEN /* kswap mm walk data */ struct lru_gen_mm_walk mm_walk; + /* lru_gen_folio list */ + struct lru_gen_memcg memcg_lru; #endif CACHELINE_PADDING(_pad2_); @@ -1253,6 +1382,9 @@ typedef struct pglist_data { #ifdef CONFIG_NUMA struct memory_tier __rcu *memtier; #endif +#ifdef CONFIG_MEMORY_FAILURE + struct memory_failure_stats mf_stats; +#endif } pg_data_t; #define node_present_pages(nid) (NODE_DATA(nid)->node_present_pages) diff --git a/include/linux/mnt_idmapping.h b/include/linux/mnt_idmapping.h index 0ccca33a7a6d..057c89867aa2 100644 --- a/include/linux/mnt_idmapping.h +++ b/include/linux/mnt_idmapping.h @@ -113,167 +113,23 @@ static inline bool vfsgid_eq_kgid(vfsgid_t vfsgid, kgid_t kgid) #define AS_KUIDT(val) (kuid_t){ __vfsuid_val(val) } #define AS_KGIDT(val) (kgid_t){ __vfsgid_val(val) } -#ifdef CONFIG_MULTIUSER -/** - * vfsgid_in_group_p() - check whether a vfsuid matches the caller's groups - * @vfsgid: the mnt gid to match - * - * This function can be used to determine whether @vfsuid matches any of the - * caller's groups. - * - * Return: 1 if vfsuid matches caller's groups, 0 if not. - */ -static inline int vfsgid_in_group_p(vfsgid_t vfsgid) -{ - return in_group_p(AS_KGIDT(vfsgid)); -} -#else -static inline int vfsgid_in_group_p(vfsgid_t vfsgid) -{ - return 1; -} -#endif +int vfsgid_in_group_p(vfsgid_t vfsgid); -/** - * initial_idmapping - check whether this is the initial mapping - * @ns: idmapping to check - * - * Check whether this is the initial mapping, mapping 0 to 0, 1 to 1, - * [...], 1000 to 1000 [...]. - * - * Return: true if this is the initial mapping, false if not. - */ -static inline bool initial_idmapping(const struct user_namespace *ns) -{ - return ns == &init_user_ns; -} +vfsuid_t make_vfsuid(struct mnt_idmap *idmap, + struct user_namespace *fs_userns, kuid_t kuid); -/** - * no_idmapping - check whether we can skip remapping a kuid/gid - * @mnt_userns: the mount's idmapping - * @fs_userns: the filesystem's idmapping - * - * This function can be used to check whether a remapping between two - * idmappings is required. - * An idmapped mount is a mount that has an idmapping attached to it that - * is different from the filsystem's idmapping and the initial idmapping. - * If the initial mapping is used or the idmapping of the mount and the - * filesystem are identical no remapping is required. - * - * Return: true if remapping can be skipped, false if not. - */ -static inline bool no_idmapping(const struct user_namespace *mnt_userns, - const struct user_namespace *fs_userns) -{ - return initial_idmapping(mnt_userns) || mnt_userns == fs_userns; -} +vfsgid_t make_vfsgid(struct mnt_idmap *idmap, + struct user_namespace *fs_userns, kgid_t kgid); -/** - * make_vfsuid - map a filesystem kuid into a mnt_userns - * @mnt_userns: the mount's idmapping - * @fs_userns: the filesystem's idmapping - * @kuid : kuid to be mapped - * - * Take a @kuid and remap it from @fs_userns into @mnt_userns. Use this - * function when preparing a @kuid to be reported to userspace. - * - * If no_idmapping() determines that this is not an idmapped mount we can - * simply return @kuid unchanged. - * If initial_idmapping() tells us that the filesystem is not mounted with an - * idmapping we know the value of @kuid won't change when calling - * from_kuid() so we can simply retrieve the value via __kuid_val() - * directly. - * - * Return: @kuid mapped according to @mnt_userns. - * If @kuid has no mapping in either @mnt_userns or @fs_userns INVALID_UID is - * returned. - */ +kuid_t from_vfsuid(struct mnt_idmap *idmap, + struct user_namespace *fs_userns, vfsuid_t vfsuid); -static inline vfsuid_t make_vfsuid(struct user_namespace *mnt_userns, - struct user_namespace *fs_userns, - kuid_t kuid) -{ - uid_t uid; - - if (no_idmapping(mnt_userns, fs_userns)) - return VFSUIDT_INIT(kuid); - if (initial_idmapping(fs_userns)) - uid = __kuid_val(kuid); - else - uid = from_kuid(fs_userns, kuid); - if (uid == (uid_t)-1) - return INVALID_VFSUID; - return VFSUIDT_INIT(make_kuid(mnt_userns, uid)); -} - -/** - * make_vfsgid - map a filesystem kgid into a mnt_userns - * @mnt_userns: the mount's idmapping - * @fs_userns: the filesystem's idmapping - * @kgid : kgid to be mapped - * - * Take a @kgid and remap it from @fs_userns into @mnt_userns. Use this - * function when preparing a @kgid to be reported to userspace. - * - * If no_idmapping() determines that this is not an idmapped mount we can - * simply return @kgid unchanged. - * If initial_idmapping() tells us that the filesystem is not mounted with an - * idmapping we know the value of @kgid won't change when calling - * from_kgid() so we can simply retrieve the value via __kgid_val() - * directly. - * - * Return: @kgid mapped according to @mnt_userns. - * If @kgid has no mapping in either @mnt_userns or @fs_userns INVALID_GID is - * returned. - */ - -static inline vfsgid_t make_vfsgid(struct user_namespace *mnt_userns, - struct user_namespace *fs_userns, - kgid_t kgid) -{ - gid_t gid; - - if (no_idmapping(mnt_userns, fs_userns)) - return VFSGIDT_INIT(kgid); - if (initial_idmapping(fs_userns)) - gid = __kgid_val(kgid); - else - gid = from_kgid(fs_userns, kgid); - if (gid == (gid_t)-1) - return INVALID_VFSGID; - return VFSGIDT_INIT(make_kgid(mnt_userns, gid)); -} - -/** - * from_vfsuid - map a vfsuid into the filesystem idmapping - * @mnt_userns: the mount's idmapping - * @fs_userns: the filesystem's idmapping - * @vfsuid : vfsuid to be mapped - * - * Map @vfsuid into the filesystem idmapping. This function has to be used in - * order to e.g. write @vfsuid to inode->i_uid. - * - * Return: @vfsuid mapped into the filesystem idmapping - */ -static inline kuid_t from_vfsuid(struct user_namespace *mnt_userns, - struct user_namespace *fs_userns, - vfsuid_t vfsuid) -{ - uid_t uid; - - if (no_idmapping(mnt_userns, fs_userns)) - return AS_KUIDT(vfsuid); - uid = from_kuid(mnt_userns, AS_KUIDT(vfsuid)); - if (uid == (uid_t)-1) - return INVALID_UID; - if (initial_idmapping(fs_userns)) - return KUIDT_INIT(uid); - return make_kuid(fs_userns, uid); -} +kgid_t from_vfsgid(struct mnt_idmap *idmap, + struct user_namespace *fs_userns, vfsgid_t vfsgid); /** * vfsuid_has_fsmapping - check whether a vfsuid maps into the filesystem - * @mnt_userns: the mount's idmapping + * @idmap: the mount's idmapping * @fs_userns: the filesystem's idmapping * @vfsuid: vfsuid to be mapped * @@ -283,11 +139,11 @@ static inline kuid_t from_vfsuid(struct user_namespace *mnt_userns, * * Return: true if @vfsuid has a mapping in the filesystem, false if not. */ -static inline bool vfsuid_has_fsmapping(struct user_namespace *mnt_userns, +static inline bool vfsuid_has_fsmapping(struct mnt_idmap *idmap, struct user_namespace *fs_userns, vfsuid_t vfsuid) { - return uid_valid(from_vfsuid(mnt_userns, fs_userns, vfsuid)); + return uid_valid(from_vfsuid(idmap, fs_userns, vfsuid)); } static inline bool vfsuid_has_mapping(struct user_namespace *userns, @@ -310,35 +166,8 @@ static inline kuid_t vfsuid_into_kuid(vfsuid_t vfsuid) } /** - * from_vfsgid - map a vfsgid into the filesystem idmapping - * @mnt_userns: the mount's idmapping - * @fs_userns: the filesystem's idmapping - * @vfsgid : vfsgid to be mapped - * - * Map @vfsgid into the filesystem idmapping. This function has to be used in - * order to e.g. write @vfsgid to inode->i_gid. - * - * Return: @vfsgid mapped into the filesystem idmapping - */ -static inline kgid_t from_vfsgid(struct user_namespace *mnt_userns, - struct user_namespace *fs_userns, - vfsgid_t vfsgid) -{ - gid_t gid; - - if (no_idmapping(mnt_userns, fs_userns)) - return AS_KGIDT(vfsgid); - gid = from_kgid(mnt_userns, AS_KGIDT(vfsgid)); - if (gid == (gid_t)-1) - return INVALID_GID; - if (initial_idmapping(fs_userns)) - return KGIDT_INIT(gid); - return make_kgid(fs_userns, gid); -} - -/** * vfsgid_has_fsmapping - check whether a vfsgid maps into the filesystem - * @mnt_userns: the mount's idmapping + * @idmap: the mount's idmapping * @fs_userns: the filesystem's idmapping * @vfsgid: vfsgid to be mapped * @@ -348,11 +177,11 @@ static inline kgid_t from_vfsgid(struct user_namespace *mnt_userns, * * Return: true if @vfsgid has a mapping in the filesystem, false if not. */ -static inline bool vfsgid_has_fsmapping(struct user_namespace *mnt_userns, +static inline bool vfsgid_has_fsmapping(struct mnt_idmap *idmap, struct user_namespace *fs_userns, vfsgid_t vfsgid) { - return gid_valid(from_vfsgid(mnt_userns, fs_userns, vfsgid)); + return gid_valid(from_vfsgid(idmap, fs_userns, vfsgid)); } static inline bool vfsgid_has_mapping(struct user_namespace *userns, @@ -375,8 +204,8 @@ static inline kgid_t vfsgid_into_kgid(vfsgid_t vfsgid) } /** - * mapped_fsuid - return caller's fsuid mapped up into a mnt_userns - * @mnt_userns: the mount's idmapping + * mapped_fsuid - return caller's fsuid mapped according to an idmapping + * @idmap: the mount's idmapping * @fs_userns: the filesystem's idmapping * * Use this helper to initialize a new vfs or filesystem object based on @@ -385,18 +214,17 @@ static inline kgid_t vfsgid_into_kgid(vfsgid_t vfsgid) * O_CREAT. Other examples include the allocation of quotas for a specific * user. * - * Return: the caller's current fsuid mapped up according to @mnt_userns. + * Return: the caller's current fsuid mapped up according to @idmap. */ -static inline kuid_t mapped_fsuid(struct user_namespace *mnt_userns, +static inline kuid_t mapped_fsuid(struct mnt_idmap *idmap, struct user_namespace *fs_userns) { - return from_vfsuid(mnt_userns, fs_userns, - VFSUIDT_INIT(current_fsuid())); + return from_vfsuid(idmap, fs_userns, VFSUIDT_INIT(current_fsuid())); } /** - * mapped_fsgid - return caller's fsgid mapped up into a mnt_userns - * @mnt_userns: the mount's idmapping + * mapped_fsgid - return caller's fsgid mapped according to an idmapping + * @idmap: the mount's idmapping * @fs_userns: the filesystem's idmapping * * Use this helper to initialize a new vfs or filesystem object based on @@ -405,13 +233,15 @@ static inline kuid_t mapped_fsuid(struct user_namespace *mnt_userns, * O_CREAT. Other examples include the allocation of quotas for a specific * user. * - * Return: the caller's current fsgid mapped up according to @mnt_userns. + * Return: the caller's current fsgid mapped up according to @idmap. */ -static inline kgid_t mapped_fsgid(struct user_namespace *mnt_userns, +static inline kgid_t mapped_fsgid(struct mnt_idmap *idmap, struct user_namespace *fs_userns) { - return from_vfsgid(mnt_userns, fs_userns, - VFSGIDT_INIT(current_fsgid())); + return from_vfsgid(idmap, fs_userns, VFSGIDT_INIT(current_fsgid())); } +bool check_fsmapping(const struct mnt_idmap *idmap, + const struct super_block *sb); + #endif /* _LINUX_MNT_IDMAPPING_H */ diff --git a/include/linux/module.h b/include/linux/module.h index 8c5909c0076c..4435ad9439ab 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -352,6 +352,14 @@ struct mod_kallsyms { }; #ifdef CONFIG_LIVEPATCH +/** + * struct klp_modinfo - Elf information preserved from the livepatch module + * + * @hdr: Elf header + * @sechdrs: Section header table + * @secstrings: String table for the section headers + * @symndx: The symbol table section index + */ struct klp_modinfo { Elf_Ehdr hdr; Elf_Shdr *sechdrs; @@ -879,11 +887,13 @@ static inline bool module_sig_ok(struct module *module) #endif /* CONFIG_MODULE_SIG */ #if defined(CONFIG_MODULES) && defined(CONFIG_KALLSYMS) -int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, +int module_kallsyms_on_each_symbol(const char *modname, + int (*fn)(void *, const char *, struct module *, unsigned long), void *data); #else -static inline int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, +static inline int module_kallsyms_on_each_symbol(const char *modname, + int (*fn)(void *, const char *, struct module *, unsigned long), void *data) { diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h index 7b4587a19189..03be088fb439 100644 --- a/include/linux/moduleloader.h +++ b/include/linux/moduleloader.h @@ -75,6 +75,23 @@ int apply_relocate_add(Elf_Shdr *sechdrs, unsigned int symindex, unsigned int relsec, struct module *mod); +#ifdef CONFIG_LIVEPATCH +/* + * Some architectures (namely x86_64 and ppc64) perform sanity checks when + * applying relocations. If a patched module gets unloaded and then later + * reloaded (and re-patched), klp re-applies relocations to the replacement + * function(s). Any leftover relocations from the previous loading of the + * patched module might trigger the sanity checks. + * + * To prevent that, when unloading a patched module, clear out any relocations + * that might trigger arch-specific sanity checks on a future module reload. + */ +void clear_relocate_add(Elf_Shdr *sechdrs, + const char *strtab, + unsigned int symindex, + unsigned int relsec, + struct module *me); +#endif #else static inline int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, diff --git a/include/linux/mount.h b/include/linux/mount.h index 62475996fac6..1ea326c368f7 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -74,8 +74,6 @@ struct vfsmount { struct mnt_idmap *mnt_idmap; } __randomize_layout; -struct user_namespace *mnt_user_ns(const struct vfsmount *mnt); -struct user_namespace *mnt_idmap_owner(const struct mnt_idmap *idmap); static inline struct mnt_idmap *mnt_idmap(const struct vfsmount *mnt) { /* Pairs with smp_store_release() in do_idmap_mount(). */ @@ -88,6 +86,7 @@ extern void mnt_drop_write(struct vfsmount *mnt); extern void mnt_drop_write_file(struct file *file); extern void mntput(struct vfsmount *mnt); extern struct vfsmount *mntget(struct vfsmount *mnt); +extern void mnt_make_shortterm(struct vfsmount *mnt); extern struct vfsmount *mnt_clone_internal(const struct path *path); extern bool __mnt_is_readonly(struct vfsmount *mnt); extern bool mnt_may_suid(struct vfsmount *mnt); diff --git a/include/linux/msi.h b/include/linux/msi.h index 15dd71817996..cdb14a1ef268 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -48,6 +48,10 @@ typedef struct arch_msi_msg_data { } __attribute__ ((packed)) arch_msi_msg_data_t; #endif +#ifndef arch_is_isolated_msi +#define arch_is_isolated_msi() false +#endif + /** * msi_msg - Representation of a MSI message * @address_lo: Low 32 bits of msi message address @@ -651,6 +655,19 @@ int platform_msi_device_domain_alloc(struct irq_domain *domain, unsigned int vir void platform_msi_device_domain_free(struct irq_domain *domain, unsigned int virq, unsigned int nvec); void *platform_msi_get_host_data(struct irq_domain *domain); + +bool msi_device_has_isolated_msi(struct device *dev); +#else /* CONFIG_GENERIC_MSI_IRQ */ +static inline bool msi_device_has_isolated_msi(struct device *dev) +{ + /* + * Arguably if the platform does not enable MSI support then it has + * "isolated MSI", as an interrupt controller that cannot receive MSIs + * is inherently isolated by our definition. The default definition for + * arch_is_isolated_msi() is conservative and returns false anyhow. + */ + return arch_is_isolated_msi(); +} #endif /* CONFIG_GENERIC_MSI_IRQ */ /* PCI specific interfaces */ diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index dcf90144d70b..f8d4be9c587a 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -67,6 +67,8 @@ struct gpio_desc; /* Extended commands for large page devices */ #define NAND_CMD_READSTART 0x30 +#define NAND_CMD_READCACHESEQ 0x31 +#define NAND_CMD_READCACHEEND 0x3f #define NAND_CMD_RNDOUTSTART 0xE0 #define NAND_CMD_CACHEDPROG 0x15 @@ -1094,10 +1096,20 @@ struct nand_controller_ops { * * @lock: lock used to serialize accesses to the NAND controller * @ops: NAND controller operations. + * @supported_op: NAND controller known-to-be-supported operations, + * only writable by the core after initial checking. + * @supported_op.data_only_read: The controller supports reading more data from + * the bus without restarting an entire read operation nor + * changing the column. + * @supported_op.cont_read: The controller supports sequential cache reads. */ struct nand_controller { struct mutex lock; const struct nand_controller_ops *ops; + struct { + unsigned int data_only_read: 1; + unsigned int cont_read: 1; + } supported_op; }; static inline void nand_controller_init(struct nand_controller *nfc) @@ -1248,6 +1260,10 @@ struct nand_secure_region { * @read_retries: The number of read retry modes supported * @secure_regions: Structure containing the secure regions info * @nr_secure_regions: Number of secure regions + * @cont_read: Sequential page read internals + * @cont_read.ongoing: Whether a continuous read is ongoing or not + * @cont_read.first_page: Start of the continuous read operation + * @cont_read.last_page: End of the continuous read operation * @controller: The hardware controller structure which is shared among multiple * independent devices * @ecc: The ECC controller structure @@ -1300,6 +1316,11 @@ struct nand_chip { int read_retries; struct nand_secure_region *secure_regions; u8 nr_secure_regions; + struct { + bool ongoing; + unsigned int first_page; + unsigned int last_page; + } cont_read; /* Externals */ struct nand_controller *controller; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 6d3392a7edc6..01be9f0f008a 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -260,6 +260,7 @@ struct spinand_manufacturer { }; /* SPI NAND manufacturers */ +extern const struct spinand_manufacturer alliancememory_spinand_manufacturer; extern const struct spinand_manufacturer ato_spinand_manufacturer; extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer; diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h index 7d48ea368c5e..a529347fd75b 100644 --- a/include/linux/mtd/ubi.h +++ b/include/linux/mtd/ubi.h @@ -110,6 +110,7 @@ struct ubi_volume_info { int name_len; const char *name; dev_t cdev; + struct device *dev; }; /** diff --git a/include/linux/namei.h b/include/linux/namei.h index 00fee52df842..0d797f3367ca 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -68,16 +68,16 @@ extern struct dentry *try_lookup_one_len(const char *, struct dentry *, int); extern struct dentry *lookup_one_len(const char *, struct dentry *, int); extern struct dentry *lookup_one_len_unlocked(const char *, struct dentry *, int); extern struct dentry *lookup_positive_unlocked(const char *, struct dentry *, int); -struct dentry *lookup_one(struct user_namespace *, const char *, struct dentry *, int); -struct dentry *lookup_one_unlocked(struct user_namespace *mnt_userns, +struct dentry *lookup_one(struct mnt_idmap *, const char *, struct dentry *, int); +struct dentry *lookup_one_unlocked(struct mnt_idmap *idmap, const char *name, struct dentry *base, int len); -struct dentry *lookup_one_positive_unlocked(struct user_namespace *mnt_userns, +struct dentry *lookup_one_positive_unlocked(struct mnt_idmap *idmap, const char *name, struct dentry *base, int len); extern int follow_down_one(struct path *); -extern int follow_down(struct path *); +extern int follow_down(struct path *path, unsigned int flags); extern int follow_up(struct path *); extern struct dentry *lock_rename(struct dentry *, struct dentry *); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index e6e02184c25a..6a14b7b11766 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -47,6 +47,7 @@ #include <uapi/linux/netdevice.h> #include <uapi/linux/if_bonding.h> #include <uapi/linux/pkt_cls.h> +#include <uapi/linux/netdev.h> #include <linux/hashtable.h> #include <linux/rbtree.h> #include <net/net_trackers.h> @@ -74,6 +75,7 @@ struct udp_tunnel_nic_info; struct udp_tunnel_nic; struct bpf_prog; struct xdp_buff; +struct xdp_md; void synchronize_net(void); void netdev_set_default_ethtool_ops(struct net_device *dev, @@ -1035,14 +1037,14 @@ struct netdev_bpf { #ifdef CONFIG_XFRM_OFFLOAD struct xfrmdev_ops { - int (*xdo_dev_state_add) (struct xfrm_state *x); + int (*xdo_dev_state_add) (struct xfrm_state *x, struct netlink_ext_ack *extack); void (*xdo_dev_state_delete) (struct xfrm_state *x); void (*xdo_dev_state_free) (struct xfrm_state *x); bool (*xdo_dev_offload_ok) (struct sk_buff *skb, struct xfrm_state *x); void (*xdo_dev_state_advance_esn) (struct xfrm_state *x); void (*xdo_dev_state_update_curlft) (struct xfrm_state *x); - int (*xdo_dev_policy_add) (struct xfrm_policy *x); + int (*xdo_dev_policy_add) (struct xfrm_policy *x, struct netlink_ext_ack *extack); void (*xdo_dev_policy_delete) (struct xfrm_policy *x); void (*xdo_dev_policy_free) (struct xfrm_policy *x); }; @@ -1618,6 +1620,11 @@ struct net_device_ops { bool cycles); }; +struct xdp_metadata_ops { + int (*xmo_rx_timestamp)(const struct xdp_md *ctx, u64 *timestamp); + int (*xmo_rx_hash)(const struct xdp_md *ctx, u32 *hash); +}; + /** * enum netdev_priv_flags - &struct net_device priv_flags * @@ -1801,6 +1808,7 @@ enum netdev_ml_priv_type { * * @netdev_ops: Includes several pointers to callbacks, * if one wants to override the ndo_*() functions + * @xdp_metadata_ops: Includes pointers to XDP metadata callbacks. * @ethtool_ops: Management operations * @l3mdev_ops: Layer 3 master device operations * @ndisc_ops: Includes callbacks for different IPv6 neighbour @@ -1811,6 +1819,7 @@ enum netdev_ml_priv_type { * of Layer 2 headers. * * @flags: Interface flags (a la BSD) + * @xdp_features: XDP capability supported by the device * @priv_flags: Like 'flags' but invisible to userspace, * see if.h for the definitions * @gflags: Global flags ( kept as legacy ) @@ -1957,6 +1966,8 @@ enum netdev_ml_priv_type { * @gso_max_segs: Maximum number of segments that can be passed to the * NIC for GSO * @tso_max_segs: Device (as in HW) limit on the max TSO segment count + * @gso_ipv4_max_size: Maximum size of generic segmentation offload, + * for IPv4. * * @dcbnl_ops: Data Center Bridging netlink ops * @num_tc: Number of traffic classes in the net device @@ -1997,6 +2008,8 @@ enum netdev_ml_priv_type { * keep a list of interfaces to be deleted. * @gro_max_size: Maximum size of aggregated packet in generic * receive offload (GRO) + * @gro_ipv4_max_size: Maximum size of aggregated packet in generic + * receive offload (GRO), for IPv4. * * @dev_addr_shadow: Copy of @dev_addr to catch direct writes. * @linkwatch_dev_tracker: refcount tracker used by linkwatch. @@ -2048,8 +2061,10 @@ struct net_device { /* Read-mostly cache-line for fast-path access */ unsigned int flags; + xdp_features_t xdp_features; unsigned long long priv_flags; const struct net_device_ops *netdev_ops; + const struct xdp_metadata_ops *xdp_metadata_ops; int ifindex; unsigned short gflags; unsigned short hard_header_len; @@ -2199,6 +2214,7 @@ struct net_device { */ #define GRO_MAX_SIZE (8 * 65535u) unsigned int gro_max_size; + unsigned int gro_ipv4_max_size; rx_handler_func_t __rcu *rx_handler; void __rcu *rx_handler_data; @@ -2322,6 +2338,7 @@ struct net_device { u16 gso_max_segs; #define TSO_MAX_SEGS U16_MAX u16 tso_max_segs; + unsigned int gso_ipv4_max_size; #ifdef CONFIG_DCB const struct dcbnl_rtnl_ops *dcbnl_ops; @@ -2831,6 +2848,7 @@ enum netdev_cmd { NETDEV_OFFLOAD_XSTATS_DISABLE, NETDEV_OFFLOAD_XSTATS_REPORT_USED, NETDEV_OFFLOAD_XSTATS_REPORT_DELTA, + NETDEV_XDP_FEAT_CHANGE, }; const char *netdev_cmd_to_name(enum netdev_cmd cmd); diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index d8817d381c14..c8e03bcaecaa 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -437,11 +437,13 @@ nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl, u_int8_t family) #include <linux/netfilter/nf_conntrack_zones_common.h> void nf_ct_attach(struct sk_buff *, const struct sk_buff *); +void nf_ct_set_closing(struct nf_conntrack *nfct); struct nf_conntrack_tuple; bool nf_ct_get_tuple_skb(struct nf_conntrack_tuple *dst_tuple, const struct sk_buff *skb); #else static inline void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb) {} +static inline void nf_ct_set_closing(struct nf_conntrack *nfct) {} struct nf_conntrack_tuple; static inline bool nf_ct_get_tuple_skb(struct nf_conntrack_tuple *dst_tuple, const struct sk_buff *skb) @@ -459,6 +461,7 @@ struct nf_ct_hook { bool (*get_tuple_skb)(struct nf_conntrack_tuple *, const struct sk_buff *); void (*attach)(struct sk_buff *nskb, const struct sk_buff *skb); + void (*set_closing)(struct nf_conntrack *nfct); }; extern const struct nf_ct_hook __rcu *nf_ct_hook; @@ -488,4 +491,9 @@ extern const struct nfnl_ct_hook __rcu *nfnl_ct_hook; */ DECLARE_PER_CPU(bool, nf_skb_duplicated); +/** + * Contains bitmask of ctnetlink event subscribers, if any. + * Can't be pernet due to NETLINK_LISTEN_ALL_NSID setsockopt flag. + */ +extern u8 nf_ctnetlink_has_listener; #endif /*__LINUX_NETFILTER_H*/ diff --git a/include/linux/netfs.h b/include/linux/netfs.h index 4c76ddfb6a67..a1f3522daa69 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -17,6 +17,7 @@ #include <linux/workqueue.h> #include <linux/fs.h> #include <linux/pagemap.h> +#include <linux/uio.h> enum netfs_sreq_ref_trace; @@ -296,6 +297,13 @@ void netfs_get_subrequest(struct netfs_io_subrequest *subreq, void netfs_put_subrequest(struct netfs_io_subrequest *subreq, bool was_async, enum netfs_sreq_ref_trace what); void netfs_stats_show(struct seq_file *); +ssize_t netfs_extract_user_iter(struct iov_iter *orig, size_t orig_len, + struct iov_iter *new, + iov_iter_extraction_t extraction_flags); +struct sg_table; +ssize_t netfs_extract_iter_to_sg(struct iov_iter *iter, size_t len, + struct sg_table *sgtable, unsigned int sg_max, + iov_iter_extraction_t extraction_flags); /** * netfs_inode - Get the netfs inode context from the inode diff --git a/include/linux/netlink.h b/include/linux/netlink.h index d81bde5a5844..c43ac7690eca 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -130,6 +130,16 @@ struct netlink_ext_ack { #define NL_SET_ERR_MSG_FMT_MOD(extack, fmt, args...) \ NL_SET_ERR_MSG_FMT((extack), KBUILD_MODNAME ": " fmt, ##args) +#define NL_SET_ERR_MSG_WEAK(extack, msg) do { \ + if ((extack) && !(extack)->_msg) \ + NL_SET_ERR_MSG((extack), msg); \ +} while (0) + +#define NL_SET_ERR_MSG_WEAK_MOD(extack, msg) do { \ + if ((extack) && !(extack)->_msg) \ + NL_SET_ERR_MSG_MOD((extack), msg); \ +} while (0) + #define NL_SET_BAD_ATTR_POLICY(extack, attr, pol) do { \ if ((extack)) { \ (extack)->bad_attr = (attr); \ @@ -263,6 +273,10 @@ struct netlink_callback { }; }; +#define NL_ASSERT_DUMP_CTX_FITS(type_name) \ + BUILD_BUG_ON(sizeof(type_name) > \ + sizeof_field(struct netlink_callback, ctx)) + struct netlink_notify { struct net *net; u32 portid; diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index d92fdfd2444c..bf89fe6fc3ba 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -392,11 +392,11 @@ extern int nfs_refresh_inode(struct inode *, struct nfs_fattr *); extern int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr); extern int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fattr); extern int nfs_post_op_update_inode_force_wcc_locked(struct inode *inode, struct nfs_fattr *fattr); -extern int nfs_getattr(struct user_namespace *, const struct path *, +extern int nfs_getattr(struct mnt_idmap *, const struct path *, struct kstat *, u32, unsigned int); extern void nfs_access_add_cache(struct inode *, struct nfs_access_entry *, const struct cred *); extern void nfs_access_set_mask(struct nfs_access_entry *, u32); -extern int nfs_permission(struct user_namespace *, struct inode *, int); +extern int nfs_permission(struct mnt_idmap *, struct inode *, int); extern int nfs_open(struct inode *, struct file *); extern int nfs_attribute_cache_expired(struct inode *inode); extern int nfs_revalidate_inode(struct inode *inode, unsigned long flags); @@ -405,7 +405,7 @@ extern int nfs_clear_invalid_mapping(struct address_space *mapping); extern bool nfs_mapping_need_revalidate_inode(struct inode *inode); extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping); extern int nfs_revalidate_mapping_rcu(struct inode *inode); -extern int nfs_setattr(struct user_namespace *, struct dentry *, struct iattr *); +extern int nfs_setattr(struct mnt_idmap *, struct dentry *, struct iattr *); extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr, struct nfs_fattr *); extern void nfs_setsecurity(struct inode *inode, struct nfs_fattr *fattr); extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx); @@ -569,8 +569,9 @@ extern void nfs_complete_unlink(struct dentry *dentry, struct inode *); extern int nfs_congestion_kb; extern int nfs_writepage(struct page *page, struct writeback_control *wbc); extern int nfs_writepages(struct address_space *, struct writeback_control *); -extern int nfs_flush_incompatible(struct file *file, struct page *page); -extern int nfs_updatepage(struct file *, struct page *, unsigned int, unsigned int); +extern int nfs_flush_incompatible(struct file *file, struct folio *folio); +extern int nfs_update_folio(struct file *file, struct folio *folio, + unsigned int offset, unsigned int count); /* * Try to write back everything synchronously (but check the @@ -578,7 +579,7 @@ extern int nfs_updatepage(struct file *, struct page *, unsigned int, unsigned */ extern int nfs_sync_inode(struct inode *inode); extern int nfs_wb_all(struct inode *inode); -extern int nfs_wb_page(struct inode *inode, struct page *page); +extern int nfs_wb_folio(struct inode *inode, struct folio *folio); int nfs_wb_folio_cancel(struct inode *inode, struct folio *folio); extern int nfs_commit_inode(struct inode *, int); extern struct nfs_commit_data *nfs_commitdata_alloc(void); diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index ba7e2e4b0926..a2f1ca657623 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -25,6 +25,7 @@ enum { PG_BUSY = 0, /* nfs_{un}lock_request */ PG_MAPPED, /* page private set for buffered io */ + PG_FOLIO, /* Tracking a folio (unset for O_DIRECT) */ PG_CLEAN, /* write succeeded */ PG_COMMIT_TO_DS, /* used by pnfs layouts */ PG_INODE_REF, /* extra ref held by inode when in writeback */ @@ -41,7 +42,10 @@ enum { struct nfs_inode; struct nfs_page { struct list_head wb_list; /* Defines state of page: */ - struct page *wb_page; /* page to read in/write out */ + union { + struct page *wb_page; /* page to read in/write out */ + struct folio *wb_folio; + }; struct nfs_lock_context *wb_lock_context; /* lock context info */ pgoff_t wb_index; /* Offset >> PAGE_SHIFT */ unsigned int wb_offset, /* Offset & ~PAGE_MASK */ @@ -117,10 +121,15 @@ struct nfs_pageio_descriptor { #define NFS_WBACK_BUSY(req) (test_bit(PG_BUSY,&(req)->wb_flags)) -extern struct nfs_page *nfs_create_request(struct nfs_open_context *ctx, - struct page *page, - unsigned int offset, - unsigned int count); +extern struct nfs_page *nfs_page_create_from_page(struct nfs_open_context *ctx, + struct page *page, + unsigned int pgbase, + loff_t offset, + unsigned int count); +extern struct nfs_page *nfs_page_create_from_folio(struct nfs_open_context *ctx, + struct folio *folio, + unsigned int offset, + unsigned int count); extern void nfs_release_request(struct nfs_page *); @@ -153,6 +162,66 @@ extern int nfs_page_set_headlock(struct nfs_page *req); extern void nfs_page_clear_headlock(struct nfs_page *req); extern bool nfs_async_iocounter_wait(struct rpc_task *, struct nfs_lock_context *); +/** + * nfs_page_to_folio - Retrieve a struct folio for the request + * @req: pointer to a struct nfs_page + * + * If a folio was assigned to @req, then return it, otherwise return NULL. + */ +static inline struct folio *nfs_page_to_folio(const struct nfs_page *req) +{ + if (test_bit(PG_FOLIO, &req->wb_flags)) + return req->wb_folio; + return NULL; +} + +/** + * nfs_page_to_page - Retrieve a struct page for the request + * @req: pointer to a struct nfs_page + * @pgbase: folio byte offset + * + * Return the page containing the byte that is at offset @pgbase relative + * to the start of the folio. + * Note: The request starts at offset @req->wb_pgbase. + */ +static inline struct page *nfs_page_to_page(const struct nfs_page *req, + size_t pgbase) +{ + struct folio *folio = nfs_page_to_folio(req); + + if (folio == NULL) + return req->wb_page; + return folio_page(folio, pgbase >> PAGE_SHIFT); +} + +/** + * nfs_page_to_inode - Retrieve an inode for the request + * @req: pointer to a struct nfs_page + */ +static inline struct inode *nfs_page_to_inode(const struct nfs_page *req) +{ + struct folio *folio = nfs_page_to_folio(req); + + if (folio == NULL) + return page_file_mapping(req->wb_page)->host; + return folio_file_mapping(folio)->host; +} + +/** + * nfs_page_max_length - Retrieve the maximum possible length for a request + * @req: pointer to a struct nfs_page + * + * Returns the maximum possible length of a request + */ +static inline size_t nfs_page_max_length(const struct nfs_page *req) +{ + struct folio *folio = nfs_page_to_folio(req); + + if (folio == NULL) + return PAGE_SIZE; + return folio_size(folio); +} + /* * Lock the page of an asynchronous request */ diff --git a/include/linux/nfs_ssc.h b/include/linux/nfs_ssc.h index 75843c00f326..22265b1ff080 100644 --- a/include/linux/nfs_ssc.h +++ b/include/linux/nfs_ssc.h @@ -53,6 +53,7 @@ static inline void nfs42_ssc_close(struct file *filep) if (nfs_ssc_client_tbl.ssc_nfs4_ops) (*nfs_ssc_client_tbl.ssc_nfs4_ops->sco_close)(filep); } +#endif struct nfsd4_ssc_umount_item { struct list_head nsui_list; @@ -66,7 +67,6 @@ struct nfsd4_ssc_umount_item { struct vfsmount *nsui_vfsmount; char nsui_ipaddr[RPC_MAX_ADDRBUFLEN + 1]; }; -#endif /* * NFS_FS diff --git a/include/linux/nmi.h b/include/linux/nmi.h index f700ff2df074..048c0b9aa623 100644 --- a/include/linux/nmi.h +++ b/include/linux/nmi.h @@ -214,4 +214,12 @@ int proc_watchdog_cpumask(struct ctl_table *, int, void *, size_t *, loff_t *); #include <asm/nmi.h> #endif +#ifdef CONFIG_NMI_CHECK_CPU +void nmi_backtrace_stall_snap(const struct cpumask *btp); +void nmi_backtrace_stall_check(const struct cpumask *btp); +#else +static inline void nmi_backtrace_stall_snap(const struct cpumask *btp) {} +static inline void nmi_backtrace_stall_check(const struct cpumask *btp) {} +#endif + #endif diff --git a/include/linux/nospec.h b/include/linux/nospec.h index c1e79f72cd89..9f0af4f116d9 100644 --- a/include/linux/nospec.h +++ b/include/linux/nospec.h @@ -11,6 +11,10 @@ struct task_struct; +#ifndef barrier_nospec +# define barrier_nospec() do { } while (0) +#endif + /** * array_index_mask_nospec() - generate a ~0 mask when index < size, 0 otherwise * @index: array element index diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 980f9c9ac0bc..1f62f7ba71ca 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -18,15 +18,7 @@ struct device_node; /* consumer cookie */ struct nvmem_cell; struct nvmem_device; - -struct nvmem_cell_info { - const char *name; - unsigned int offset; - unsigned int bytes; - unsigned int bit_offset; - unsigned int nbits; - struct device_node *np; -}; +struct nvmem_cell_info; /** * struct nvmem_cell_lookup - cell lookup entry diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index bb15c9234e21..0262b86194eb 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -14,14 +14,13 @@ #include <linux/gpio/consumer.h> struct nvmem_device; -struct nvmem_cell_info; typedef int (*nvmem_reg_read_t)(void *priv, unsigned int offset, void *val, size_t bytes); typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset, void *val, size_t bytes); /* used for vendor specific post processing of cell data */ -typedef int (*nvmem_cell_post_process_t)(void *priv, const char *id, unsigned int offset, - void *buf, size_t bytes); +typedef int (*nvmem_cell_post_process_t)(void *priv, const char *id, int index, + unsigned int offset, void *buf, size_t bytes); enum nvmem_type { NVMEM_TYPE_UNKNOWN = 0, @@ -48,6 +47,24 @@ struct nvmem_keepout { }; /** + * struct nvmem_cell_info - NVMEM cell description + * @name: Name. + * @offset: Offset within the NVMEM device. + * @bytes: Length of the cell. + * @bit_offset: Bit offset if cell is smaller than a byte. + * @nbits: Number of bits. + * @np: Optional device_node pointer. + */ +struct nvmem_cell_info { + const char *name; + unsigned int offset; + unsigned int bytes; + unsigned int bit_offset; + unsigned int nbits; + struct device_node *np; +}; + +/** * struct nvmem_config - NVMEM device configuration * * @dev: Parent device. @@ -136,6 +153,9 @@ struct nvmem_device *devm_nvmem_register(struct device *dev, void nvmem_add_cell_table(struct nvmem_cell_table *table); void nvmem_del_cell_table(struct nvmem_cell_table *table); +int nvmem_add_one_cell(struct nvmem_device *nvmem, + const struct nvmem_cell_info *info); + #else static inline struct nvmem_device *nvmem_register(const struct nvmem_config *c) @@ -153,6 +173,11 @@ devm_nvmem_register(struct device *dev, const struct nvmem_config *c) static inline void nvmem_add_cell_table(struct nvmem_cell_table *table) {} static inline void nvmem_del_cell_table(struct nvmem_cell_table *table) {} +static inline int nvmem_add_one_cell(struct nvmem_device *nvmem, + const struct nvmem_cell_info *info) +{ + return -EOPNOTSUPP; +} #endif /* CONFIG_NVMEM */ #endif /* ifndef _LINUX_NVMEM_PROVIDER_H */ diff --git a/include/linux/objtool.h b/include/linux/objtool.h index 62c54ffbeeaa..9ac3df3fccf0 100644 --- a/include/linux/objtool.h +++ b/include/linux/objtool.h @@ -15,6 +15,7 @@ struct unwind_hint { s16 sp_offset; u8 sp_reg; u8 type; + u8 signal; u8 end; }; #endif @@ -49,7 +50,7 @@ struct unwind_hint { #ifndef __ASSEMBLY__ -#define UNWIND_HINT(sp_reg, sp_offset, type, end) \ +#define UNWIND_HINT(sp_reg, sp_offset, type, signal, end) \ "987: \n\t" \ ".pushsection .discard.unwind_hints\n\t" \ /* struct unwind_hint */ \ @@ -57,6 +58,7 @@ struct unwind_hint { ".short " __stringify(sp_offset) "\n\t" \ ".byte " __stringify(sp_reg) "\n\t" \ ".byte " __stringify(type) "\n\t" \ + ".byte " __stringify(signal) "\n\t" \ ".byte " __stringify(end) "\n\t" \ ".balign 4 \n\t" \ ".popsection\n\t" @@ -129,7 +131,7 @@ struct unwind_hint { * the debuginfo as necessary. It will also warn if it sees any * inconsistencies. */ -.macro UNWIND_HINT type:req sp_reg=0 sp_offset=0 end=0 +.macro UNWIND_HINT type:req sp_reg=0 sp_offset=0 signal=0 end=0 .Lunwind_hint_ip_\@: .pushsection .discard.unwind_hints /* struct unwind_hint */ @@ -137,6 +139,7 @@ struct unwind_hint { .short \sp_offset .byte \sp_reg .byte \type + .byte \signal .byte \end .balign 4 .popsection @@ -174,7 +177,7 @@ struct unwind_hint { #ifndef __ASSEMBLY__ -#define UNWIND_HINT(sp_reg, sp_offset, type, end) \ +#define UNWIND_HINT(sp_reg, sp_offset, type, signal, end) \ "\n\t" #define STACK_FRAME_NON_STANDARD(func) #define STACK_FRAME_NON_STANDARD_FP(func) @@ -182,7 +185,7 @@ struct unwind_hint { #define ASM_REACHABLE #else #define ANNOTATE_INTRA_FUNCTION_CALL -.macro UNWIND_HINT type:req sp_reg=0 sp_offset=0 end=0 +.macro UNWIND_HINT type:req sp_reg=0 sp_offset=0 signal=0 end=0 .endm .macro STACK_FRAME_NON_STANDARD func:req .endm diff --git a/include/linux/of.h b/include/linux/of.h index 8b9f94386dc3..0af611307db2 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -100,8 +100,19 @@ struct of_reconfig_data { struct property *old_prop; }; +/** + * of_node_init - initialize a devicetree node + * @node: Pointer to device node that has been created by kzalloc() + * @phandle_name: Name of property holding a phandle value + * + * On return the device_node refcount is set to one. Use of_node_put() + * on @node when done to free the memory allocated for it. If the node + * is NOT a dynamic node the memory will not be freed. The decision of + * whether to free the memory will be done by node->release(), which is + * of_node_release(). + */ /* initialize a node */ -extern struct kobj_type of_node_ktype; +extern const struct kobj_type of_node_ktype; extern const struct fwnode_operations of_fwnode_ops; static inline void of_node_init(struct device_node *node) { @@ -1009,6 +1020,31 @@ static inline int of_parse_phandle_with_fixed_args(const struct device_node *np, } /** + * of_parse_phandle_with_optional_args() - Find a node pointed by phandle in a list + * @np: pointer to a device tree node containing a list + * @list_name: property name that contains a list + * @cells_name: property name that specifies phandles' arguments count + * @index: index of a phandle to parse out + * @out_args: optional pointer to output arguments structure (will be filled) + * + * Same as of_parse_phandle_with_args() except that if the cells_name property + * is not found, cell_count of 0 is assumed. + * + * This is used to useful, if you have a phandle which didn't have arguments + * before and thus doesn't have a '#*-cells' property but is now migrated to + * having arguments while retaining backwards compatibility. + */ +static inline int of_parse_phandle_with_optional_args(const struct device_node *np, + const char *list_name, + const char *cells_name, + int index, + struct of_phandle_args *out_args) +{ + return __of_parse_phandle_with_args(np, list_name, cells_name, + 0, index, out_args); +} + +/** * of_property_count_u8_elems - Count the number of u8 elements in a property * * @np: device node from which the property value is to be read. @@ -1155,7 +1191,8 @@ static inline int of_property_read_string_index(const struct device_node *np, * @np: device node from which the property value is to be read. * @propname: name of the property to be searched. * - * Search for a property in a device node. + * Search for a boolean property in a device node. Usage on non-boolean + * property types is deprecated. * * Return: true if the property exists false otherwise. */ @@ -1168,6 +1205,20 @@ static inline bool of_property_read_bool(const struct device_node *np, } /** + * of_property_present - Test if a property is present in a node + * @np: device node to search for the property. + * @propname: name of the property to be searched. + * + * Test for a property present in a device node. + * + * Return: true if the property exists false otherwise. + */ +static inline bool of_property_present(const struct device_node *np, const char *propname) +{ + return of_property_read_bool(np, propname); +} + +/** * of_property_read_u8_array - Find and read an array of u8 from a property. * * @np: device node from which the property value is to be read. diff --git a/include/linux/of_address.h b/include/linux/of_address.h index 265f26eeaf6b..376671594746 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -38,6 +38,8 @@ struct of_pci_range { /* Translate a DMA address from device space to CPU space */ extern u64 of_translate_dma_address(struct device_node *dev, const __be32 *in_addr); +extern const __be32 *of_translate_dma_region(struct device_node *dev, const __be32 *addr, + phys_addr_t *start, size_t *length); #ifdef CONFIG_OF_ADDRESS extern u64 of_translate_address(struct device_node *np, const __be32 *addr); diff --git a/include/linux/of_device.h b/include/linux/of_device.h index ab7d557d541d..f4b57614979d 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -36,7 +36,7 @@ extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len); extern int of_device_request_module(struct device *dev); extern void of_device_uevent(const struct device *dev, struct kobj_uevent_env *env); -extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env); +extern int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env); static inline struct device_node *of_cpu_device_node_get(int cpu) { @@ -83,7 +83,7 @@ static inline int of_device_request_module(struct device *dev) return -ENODEV; } -static inline int of_device_uevent_modalias(struct device *dev, +static inline int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *env) { return -ENODEV; diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index 6db627257a7b..5d58b3b0a97e 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -17,21 +17,6 @@ struct device_node; -/* - * This is Linux-specific flags. By default controllers' and Linux' mapping - * match, but GPIO controllers are free to translate their own flags to - * Linux-specific in their .xlate callback. Though, 1:1 mapping is recommended. - */ -enum of_gpio_flags { - OF_GPIO_ACTIVE_LOW = 0x1, - OF_GPIO_SINGLE_ENDED = 0x2, - OF_GPIO_OPEN_DRAIN = 0x4, - OF_GPIO_TRANSITORY = 0x8, - OF_GPIO_PULL_UP = 0x10, - OF_GPIO_PULL_DOWN = 0x20, - OF_GPIO_PULL_DISABLE = 0x40, -}; - #ifdef CONFIG_OF_GPIO #include <linux/container_of.h> @@ -50,17 +35,12 @@ static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) return container_of(gc, struct of_mm_gpio_chip, gc); } -extern int of_get_named_gpio_flags(const struct device_node *np, - const char *list_name, int index, enum of_gpio_flags *flags); +extern int of_get_named_gpio(const struct device_node *np, + const char *list_name, int index); extern int of_mm_gpiochip_add_data(struct device_node *np, struct of_mm_gpio_chip *mm_gc, void *data); -static inline int of_mm_gpiochip_add(struct device_node *np, - struct of_mm_gpio_chip *mm_gc) -{ - return of_mm_gpiochip_add_data(np, mm_gc, NULL); -} extern void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc); #else /* CONFIG_OF_GPIO */ @@ -68,86 +48,12 @@ extern void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc); #include <linux/errno.h> /* Drivers may not strictly depend on the GPIO support, so let them link. */ -static inline int of_get_named_gpio_flags(const struct device_node *np, - const char *list_name, int index, enum of_gpio_flags *flags) -{ - if (flags) - *flags = 0; - - return -ENOSYS; -} - -#endif /* CONFIG_OF_GPIO */ - -/** - * of_gpio_named_count() - Count GPIOs for a device - * @np: device node to count GPIOs for - * @propname: property name containing gpio specifier(s) - * - * The function returns the count of GPIOs specified for a node. - * Note that the empty GPIO specifiers count too. Returns either - * Number of gpios defined in property, - * -EINVAL for an incorrectly formed gpios property, or - * -ENOENT for a missing gpios property - * - * Example: - * gpios = <0 - * &gpio1 1 2 - * 0 - * &gpio2 3 4>; - * - * The above example defines four GPIOs, two of which are not specified. - * This function will return '4' - */ -static inline int of_gpio_named_count(const struct device_node *np, - const char *propname) -{ - return of_count_phandle_with_args(np, propname, "#gpio-cells"); -} - -/** - * of_gpio_count() - Count GPIOs for a device - * @np: device node to count GPIOs for - * - * Same as of_gpio_named_count, but hard coded to use the 'gpios' property - */ -static inline int of_gpio_count(const struct device_node *np) -{ - return of_gpio_named_count(np, "gpios"); -} - -static inline int of_get_gpio_flags(const struct device_node *np, int index, - enum of_gpio_flags *flags) -{ - return of_get_named_gpio_flags(np, "gpios", index, flags); -} - -/** - * of_get_named_gpio() - Get a GPIO number to use with GPIO API - * @np: device node to get GPIO from - * @propname: Name of property containing gpio specifier(s) - * @index: index of the GPIO - * - * Returns GPIO number to use with Linux generic GPIO API, or one of the errno - * value on the error condition. - */ static inline int of_get_named_gpio(const struct device_node *np, const char *propname, int index) { - return of_get_named_gpio_flags(np, propname, index, NULL); + return -ENOSYS; } -/** - * of_get_gpio() - Get a GPIO number to use with GPIO API - * @np: device node to get GPIO from - * @index: index of the GPIO - * - * Returns GPIO number to use with Linux generic GPIO API, or one of the errno - * value on the error condition. - */ -static inline int of_get_gpio(const struct device_node *np, int index) -{ - return of_get_gpio_flags(np, index, NULL); -} +#endif /* CONFIG_OF_GPIO */ #endif /* __LINUX_OF_GPIO_H */ diff --git a/include/linux/of_iommu.h b/include/linux/of_iommu.h index 55c1eb300a86..9a5e6b410dd2 100644 --- a/include/linux/of_iommu.h +++ b/include/linux/of_iommu.h @@ -12,6 +12,9 @@ extern const struct iommu_ops *of_iommu_configure(struct device *dev, struct device_node *master_np, const u32 *id); +extern void of_iommu_get_resv_regions(struct device *dev, + struct list_head *list); + #else static inline const struct iommu_ops *of_iommu_configure(struct device *dev, @@ -21,6 +24,11 @@ static inline const struct iommu_ops *of_iommu_configure(struct device *dev, return NULL; } +static inline void of_iommu_get_resv_regions(struct device *dev, + struct list_head *list) +{ +} + #endif /* CONFIG_OF_IOMMU */ #endif /* __OF_IOMMU_H */ diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 69e93a0c1277..a7e3a3405520 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -531,6 +531,7 @@ PAGEFLAG(Readahead, readahead, PF_NO_COMPOUND) * available at this point. */ #define PageHighMem(__p) is_highmem_idx(page_zonenum(__p)) +#define folio_test_highmem(__f) is_highmem_idx(folio_zonenum(__f)) #else PAGEFLAG_FALSE(HighMem, highmem) #endif diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h index 22be4582faae..bc2e39090a1f 100644 --- a/include/linux/page_ext.h +++ b/include/linux/page_ext.h @@ -7,15 +7,35 @@ #include <linux/stackdepot.h> struct pglist_data; + +/** + * struct page_ext_operations - per page_ext client operations + * @offset: Offset to the client's data within page_ext. Offset is returned to + * the client by page_ext_init. + * @size: The size of the client data within page_ext. + * @need: Function that returns true if client requires page_ext. + * @init: (optional) Called to initialize client once page_exts are allocated. + * @need_shared_flags: True when client is using shared page_ext->flags + * field. + * + * Each Page Extension client must define page_ext_operations in + * page_ext_ops array. + */ struct page_ext_operations { size_t offset; size_t size; bool (*need)(void); void (*init)(void); + bool need_shared_flags; }; +extern bool deferred_struct_pages; + #ifdef CONFIG_PAGE_EXTENSION +/* + * The page_ext_flags users must set need_shared_flags to true. + */ enum page_ext_flags { PAGE_EXT_OWNER, PAGE_EXT_OWNER_ALLOCATED, diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 29e1f9e76eb6..0acb8e1fb7af 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -547,6 +547,26 @@ static inline struct folio *filemap_lock_folio(struct address_space *mapping, } /** + * filemap_grab_folio - grab a folio from the page cache + * @mapping: The address space to search + * @index: The page index + * + * Looks up the page cache entry at @mapping & @index. If no folio is found, + * a new folio is created. The folio is locked, marked as accessed, and + * returned. + * + * Return: A found or created folio. NULL if no folio is found and failed to + * create a folio. + */ +static inline struct folio *filemap_grab_folio(struct address_space *mapping, + pgoff_t index) +{ + return __filemap_get_folio(mapping, index, + FGP_LOCK | FGP_ACCESSED | FGP_CREAT, + mapping_gfp_mask(mapping)); +} + +/** * find_get_page - find and get a page reference * @mapping: the address_space to search * @offset: the page index @@ -719,16 +739,8 @@ unsigned filemap_get_folios(struct address_space *mapping, pgoff_t *start, pgoff_t end, struct folio_batch *fbatch); unsigned filemap_get_folios_contig(struct address_space *mapping, pgoff_t *start, pgoff_t end, struct folio_batch *fbatch); -unsigned find_get_pages_range_tag(struct address_space *mapping, pgoff_t *index, - pgoff_t end, xa_mark_t tag, unsigned int nr_pages, - struct page **pages); -static inline unsigned find_get_pages_tag(struct address_space *mapping, - pgoff_t *index, xa_mark_t tag, unsigned int nr_pages, - struct page **pages) -{ - return find_get_pages_range_tag(mapping, index, (pgoff_t)-1, tag, - nr_pages, pages); -} +unsigned filemap_get_folios_tag(struct address_space *mapping, pgoff_t *start, + pgoff_t end, xa_mark_t tag, struct folio_batch *fbatch); struct page *grab_cache_page_write_begin(struct address_space *mapping, pgoff_t index); @@ -744,6 +756,8 @@ static inline struct page *grab_cache_page(struct address_space *mapping, struct folio *read_cache_folio(struct address_space *, pgoff_t index, filler_t *filler, struct file *file); +struct folio *mapping_read_folio_gfp(struct address_space *, pgoff_t index, + gfp_t flags); struct page *read_cache_page(struct address_space *, pgoff_t index, filler_t *filler, struct file *file); extern struct page * read_cache_page_gfp(struct address_space *mapping, @@ -978,16 +992,6 @@ static inline int folio_lock_killable(struct folio *folio) } /* - * lock_page_killable is like lock_page but can be interrupted by fatal - * signals. It returns 0 if it locked the page and -EINTR if it was - * killed while waiting. - */ -static inline int lock_page_killable(struct page *page) -{ - return folio_lock_killable(page_folio(page)); -} - -/* * folio_lock_or_retry - Lock the folio, unless this would block and the * caller indicated that it can handle a retry. * diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h index 215eb6c3bdc9..f582f7213ea5 100644 --- a/include/linux/pagevec.h +++ b/include/linux/pagevec.h @@ -26,14 +26,6 @@ struct pagevec { }; void __pagevec_release(struct pagevec *pvec); -unsigned pagevec_lookup_range_tag(struct pagevec *pvec, - struct address_space *mapping, pgoff_t *index, pgoff_t end, - xa_mark_t tag); -static inline unsigned pagevec_lookup_tag(struct pagevec *pvec, - struct address_space *mapping, pgoff_t *index, xa_mark_t tag) -{ - return pagevec_lookup_range_tag(pvec, mapping, index, (pgoff_t)-1, tag); -} static inline void pagevec_init(struct pagevec *pvec) { @@ -103,6 +95,11 @@ static inline void folio_batch_init(struct folio_batch *fbatch) fbatch->percpu_pvec_drained = false; } +static inline void folio_batch_reinit(struct folio_batch *fbatch) +{ + fbatch->nr = 0; +} + static inline unsigned int folio_batch_count(struct folio_batch *fbatch) { return fbatch->nr; diff --git a/include/linux/pagewalk.h b/include/linux/pagewalk.h index 959f52e5867d..27a6df448ee5 100644 --- a/include/linux/pagewalk.h +++ b/include/linux/pagewalk.h @@ -21,7 +21,16 @@ struct mm_walk; * depth is -1 if not known, 0:PGD, 1:P4D, 2:PUD, 3:PMD. * Any folded depths (where PTRS_PER_P?D is equal to 1) * are skipped. - * @hugetlb_entry: if set, called for each hugetlb entry + * @hugetlb_entry: if set, called for each hugetlb entry. This hook + * function is called with the vma lock held, in order to + * protect against a concurrent freeing of the pte_t* or + * the ptl. In some cases, the hook function needs to drop + * and retake the vma lock in order to avoid deadlocks + * while calling other functions. In such cases the hook + * function must either refrain from accessing the pte or + * ptl after dropping the vma lock, or else revalidate + * those items after re-acquiring the vma lock and before + * accessing them. * @test_walk: caller specific callback function to determine whether * we walk over the current vma or not. Returning 0 means * "do page table walk over the current vma", returning diff --git a/include/linux/parport.h b/include/linux/parport.h index 1c16ffb8b908..a0bc9e0267b7 100644 --- a/include/linux/parport.h +++ b/include/linux/parport.h @@ -40,10 +40,6 @@ struct amiga_parport_state { unsigned char statusdir;/* ciab.ddrb & 7 */ }; -struct ax88796_parport_state { - unsigned char cpr; -}; - struct ip32_parport_state { unsigned int dcr; unsigned int ecr; @@ -55,7 +51,6 @@ struct parport_state { /* ARC has no state. */ struct ax_parport_state ax; struct amiga_parport_state amiga; - struct ax88796_parport_state ax88796; /* Atari has not state. */ struct ip32_parport_state ip32; void *misc; diff --git a/include/linux/parport_pc.h b/include/linux/parport_pc.h index 3d6fc576d6a1..f1ec5c10c3b3 100644 --- a/include/linux/parport_pc.h +++ b/include/linux/parport_pc.h @@ -26,6 +26,9 @@ struct parport_pc_private { /* Whether or not there's an ECR. */ int ecr; + /* Bitmask of writable ECR bits. */ + unsigned char ecr_writable; + /* Number of PWords that FIFO will hold. */ int fifo_depth; diff --git a/include/linux/pata_parport.h b/include/linux/pata_parport.h new file mode 100644 index 000000000000..58781846f282 --- /dev/null +++ b/include/linux/pata_parport.h @@ -0,0 +1,111 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * pata_parport.h (c) 1997-8 Grant R. Guenther <grant@torque.net> + * Under the terms of the GPL. + * + * This file defines the interface for parallel port IDE adapter chip drivers. + */ + +#ifndef LINUX_PATA_PARPORT_H +#define LINUX_PATA_PARPORT_H + +#include <linux/libata.h> + +#define PI_PCD 1 /* dummy for paride protocol modules */ + +struct pi_adapter { + struct device dev; + struct pi_protocol *proto; /* adapter protocol */ + int port; /* base address of parallel port */ + int mode; /* transfer mode in use */ + int delay; /* adapter delay setting */ + int devtype; /* dummy for paride protocol modules */ + char *device; /* dummy for paride protocol modules */ + int unit; /* unit number for chained adapters */ + int saved_r0; /* saved port state */ + int saved_r2; /* saved port state */ + unsigned long private; /* for protocol module */ + struct pardevice *pardev; /* pointer to pardevice */ +}; + +typedef struct pi_adapter PIA; /* for paride protocol modules */ + +/* registers are addressed as (cont,regr) + * cont: 0 for command register file, 1 for control register(s) + * regr: 0-7 for register number. + */ + +/* macros and functions exported to the protocol modules */ +#define delay_p (pi->delay ? udelay(pi->delay) : (void)0) +#define out_p(offs, byte) do { outb(byte, pi->port + offs); delay_p; } while (0) +#define in_p(offs) (delay_p, inb(pi->port + offs)) + +#define w0(byte) out_p(0, byte) +#define r0() in_p(0) +#define w1(byte) out_p(1, byte) +#define r1() in_p(1) +#define w2(byte) out_p(2, byte) +#define r2() in_p(2) +#define w3(byte) out_p(3, byte) +#define w4(byte) out_p(4, byte) +#define r4() in_p(4) +#define w4w(data) do { outw(data, pi->port + 4); delay_p; } while (0) +#define w4l(data) do { outl(data, pi->port + 4); delay_p; } while (0) +#define r4w() (delay_p, inw(pi->port + 4)) +#define r4l() (delay_p, inl(pi->port + 4)) + +static inline u16 pi_swab16(char *b, int k) +{ + union { u16 u; char t[2]; } r; + + r.t[0] = b[2 * k + 1]; r.t[1] = b[2 * k]; + return r.u; +} + +static inline u32 pi_swab32(char *b, int k) +{ + union { u32 u; char f[4]; } r; + + r.f[0] = b[4 * k + 1]; r.f[1] = b[4 * k]; + r.f[2] = b[4 * k + 3]; r.f[3] = b[4 * k + 2]; + return r.u; +} + +struct pi_protocol { + char name[8]; + + int max_mode; + int epp_first; /* modes >= this use 8 ports */ + + int default_delay; + int max_units; /* max chained units probed for */ + + void (*write_regr)(struct pi_adapter *pi, int cont, int regr, int val); + int (*read_regr)(struct pi_adapter *pi, int cont, int regr); + void (*write_block)(struct pi_adapter *pi, char *buf, int count); + void (*read_block)(struct pi_adapter *pi, char *buf, int count); + + void (*connect)(struct pi_adapter *pi); + void (*disconnect)(struct pi_adapter *pi); + + int (*test_port)(struct pi_adapter *pi); + int (*probe_unit)(struct pi_adapter *pi); + int (*test_proto)(struct pi_adapter *pi, char *scratch, int verbose); + void (*log_adapter)(struct pi_adapter *pi, char *scratch, int verbose); + + int (*init_proto)(struct pi_adapter *pi); + void (*release_proto)(struct pi_adapter *pi); + struct module *owner; + struct device_driver driver; + struct scsi_host_template sht; +}; + +#define PATA_PARPORT_SHT ATA_PIO_SHT + +int pata_parport_register_driver(struct pi_protocol *pr); +void pata_parport_unregister_driver(struct pi_protocol *pr); +/* defines for old paride protocol modules */ +#define paride_register pata_parport_register_driver +#define paride_unregister pata_parport_unregister_driver + +#endif /* LINUX_PATA_PARPORT_H */ diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index a48778e1a4ee..301bb0e53707 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -122,6 +122,7 @@ struct pci_epc_mem { * struct pci_epc - represents the PCI EPC device * @dev: PCI EPC device * @pci_epf: list of endpoint functions present in this EPC device + * list_lock: Mutex for protecting pci_epf list * @ops: function pointers for performing endpoint operations * @windows: array of address space of the endpoint controller * @mem: first window of the endpoint controller, which corresponds to @@ -134,11 +135,11 @@ struct pci_epc_mem { * @group: configfs group representing the PCI EPC device * @lock: mutex to protect pci_epc ops * @function_num_map: bitmap to manage physical function number - * @notifier: used to notify EPF of any EPC events (like linkup) */ struct pci_epc { struct device dev; struct list_head pci_epf; + struct mutex list_lock; const struct pci_epc_ops *ops; struct pci_epc_mem **windows; struct pci_epc_mem *mem; @@ -149,7 +150,6 @@ struct pci_epc { /* mutex to protect against concurrent access of EP controller */ struct mutex lock; unsigned long function_num_map; - struct atomic_notifier_head notifier; }; /** @@ -192,12 +192,6 @@ static inline void *epc_get_drvdata(struct pci_epc *epc) return dev_get_drvdata(&epc->dev); } -static inline int -pci_epc_register_notifier(struct pci_epc *epc, struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&epc->notifier, nb); -} - struct pci_epc * __devm_pci_epc_create(struct device *dev, const struct pci_epc_ops *ops, struct module *owner); diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index 009a07147c61..a215dc8ce693 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -17,11 +17,6 @@ struct pci_epf; enum pci_epc_interface_type; -enum pci_notify_event { - CORE_INIT, - LINK_UP, -}; - enum pci_barno { NO_BAR = -1, BAR_0, @@ -73,6 +68,16 @@ struct pci_epf_ops { }; /** + * struct pci_epf_event_ops - Callbacks for capturing the EPC events + * @core_init: Callback for the EPC initialization complete event + * @link_up: Callback for the EPC link up event + */ +struct pci_epc_event_ops { + int (*core_init)(struct pci_epf *epf); + int (*link_up)(struct pci_epf *epf); +}; + +/** * struct pci_epf_driver - represents the PCI EPF driver * @probe: ops to perform when a new EPF device has been bound to the EPF driver * @remove: ops to perform when the binding between the EPF device and EPF @@ -127,7 +132,6 @@ struct pci_epf_bar { * @epf_pf: the physical EPF device to which this virtual EPF device is bound * @driver: the EPF driver to which this EPF device is bound * @list: to add pci_epf as a list of PCI endpoint functions to pci_epc - * @nb: notifier block to notify EPF of any EPC events (like linkup) * @lock: mutex to protect pci_epf_ops * @sec_epc: the secondary EPC device to which this EPF device is bound * @sec_epc_list: to add pci_epf as list of PCI endpoint functions to secondary @@ -139,6 +143,7 @@ struct pci_epf_bar { * @is_vf: true - virtual function, false - physical function * @vfunction_num_map: bitmap to manage virtual function number * @pci_vepf: list of virtual endpoint functions associated with this function + * @event_ops: Callbacks for capturing the EPC events */ struct pci_epf { struct device dev; @@ -154,7 +159,6 @@ struct pci_epf { struct pci_epf *epf_pf; struct pci_epf_driver *driver; struct list_head list; - struct notifier_block nb; /* mutex to protect against concurrent access of pci_epf_ops */ struct mutex lock; @@ -168,6 +172,7 @@ struct pci_epf { unsigned int is_vf; unsigned long vfunction_num_map; struct list_head pci_vepf; + const struct pci_epc_event_ops *event_ops; }; /** diff --git a/include/linux/pci.h b/include/linux/pci.h index 254c8a4126a8..fafd8020c6d7 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -572,12 +572,14 @@ struct pci_host_bridge { void *release_data; unsigned int ignore_reset_delay:1; /* For entire hierarchy */ unsigned int no_ext_tags:1; /* No Extended Tags */ + unsigned int no_inc_mrrs:1; /* No Increase MRRS */ unsigned int native_aer:1; /* OS may use PCIe AER */ unsigned int native_pcie_hotplug:1; /* OS may use PCIe hotplug */ unsigned int native_shpc_hotplug:1; /* OS may use SHPC hotplug */ unsigned int native_pme:1; /* OS may use PCIe PME */ unsigned int native_ltr:1; /* OS may use PCIe LTR */ unsigned int native_dpc:1; /* OS may use PCIe DPC */ + unsigned int native_cxl_error:1; /* OS may use CXL RAS/Events */ unsigned int preserve_config:1; /* Preserve FW resource setup */ unsigned int size_windows:1; /* Enable root bus sizing */ unsigned int msi_domain:1; /* Bridge wants MSI domain */ @@ -1697,10 +1699,15 @@ extern bool pcie_ports_native; #define PCIE_LINK_STATE_L1_2 BIT(4) #define PCIE_LINK_STATE_L1_1_PCIPM BIT(5) #define PCIE_LINK_STATE_L1_2_PCIPM BIT(6) +#define PCIE_LINK_STATE_ALL (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |\ + PCIE_LINK_STATE_CLKPM | PCIE_LINK_STATE_L1_1 |\ + PCIE_LINK_STATE_L1_2 | PCIE_LINK_STATE_L1_1_PCIPM |\ + PCIE_LINK_STATE_L1_2_PCIPM) #ifdef CONFIG_PCIEASPM int pci_disable_link_state(struct pci_dev *pdev, int state); int pci_disable_link_state_locked(struct pci_dev *pdev, int state); +int pci_enable_link_state(struct pci_dev *pdev, int state); void pcie_no_aspm(void); bool pcie_aspm_support_enabled(void); bool pcie_aspm_enabled(struct pci_dev *pdev); @@ -1709,6 +1716,8 @@ static inline int pci_disable_link_state(struct pci_dev *pdev, int state) { return 0; } static inline int pci_disable_link_state_locked(struct pci_dev *pdev, int state) { return 0; } +static inline int pci_enable_link_state(struct pci_dev *pdev, int state) +{ return 0; } static inline void pcie_no_aspm(void) { } static inline bool pcie_aspm_support_enabled(void) { return false; } static inline bool pcie_aspm_enabled(struct pci_dev *pdev) { return false; } diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index b362d90eb9b0..45c3d62e616d 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -3012,6 +3012,8 @@ #define PCI_DEVICE_ID_INTEL_VMD_9A0B 0x9a0b #define PCI_DEVICE_ID_INTEL_S21152BB 0xb152 +#define PCI_VENDOR_ID_WANGXUN 0x8088 + #define PCI_VENDOR_ID_SCALEMP 0x8686 #define PCI_DEVICE_ID_SCALEMP_VSMP_CTL 0x1010 @@ -3092,6 +3094,8 @@ #define PCI_VENDOR_ID_3COM_2 0xa727 +#define PCI_VENDOR_ID_SOLIDRUN 0xd063 + #define PCI_VENDOR_ID_DIGIUM 0xd161 #define PCI_DEVICE_ID_DIGIUM_HFC4S 0xb410 diff --git a/include/linux/pda_power.h b/include/linux/pda_power.h deleted file mode 100644 index 2a69db4b60b7..000000000000 --- a/include/linux/pda_power.h +++ /dev/null @@ -1,39 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Common power driver for PDAs and phones with one or two external - * power supplies (AC/USB) connected to main and backup batteries, - * and optional builtin charger. - * - * Copyright © 2007 Anton Vorontsov <cbou@mail.ru> - */ - -#ifndef __PDA_POWER_H__ -#define __PDA_POWER_H__ - -#define PDA_POWER_CHARGE_AC (1 << 0) -#define PDA_POWER_CHARGE_USB (1 << 1) - -struct device; - -struct pda_power_pdata { - int (*init)(struct device *dev); - int (*is_ac_online)(void); - int (*is_usb_online)(void); - void (*set_charge)(int flags); - void (*exit)(struct device *dev); - int (*suspend)(pm_message_t state); - int (*resume)(void); - - char **supplied_to; - size_t num_supplicants; - - unsigned int wait_for_status; /* msecs, default is 500 */ - unsigned int wait_for_charger; /* msecs, default is 500 */ - unsigned int polling_interval; /* msecs, default is 2000 */ - - unsigned long ac_max_uA; /* current to draw when on AC */ - - bool use_otg_notifier; -}; - -#endif /* __PDA_POWER_H__ */ diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index af1071535de8..e60727be79c4 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h @@ -310,7 +310,7 @@ extern void __bad_size_call_parameter(void); #ifdef CONFIG_DEBUG_PREEMPT extern void __this_cpu_preempt_check(const char *op); #else -static inline void __this_cpu_preempt_check(const char *op) { } +static __always_inline void __this_cpu_preempt_check(const char *op) { } #endif #define __pcpu_size_call_return(stem, variable) \ diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h index a3aae8d57a42..521a733e21a9 100644 --- a/include/linux/percpu_counter.h +++ b/include/linux/percpu_counter.h @@ -152,9 +152,11 @@ __percpu_counter_compare(struct percpu_counter *fbc, s64 rhs, s32 batch) static inline void percpu_counter_add(struct percpu_counter *fbc, s64 amount) { - preempt_disable(); + unsigned long flags; + + local_irq_save(flags); fbc->count += amount; - preempt_enable(); + local_irq_restore(flags); } /* non-SMP percpu_counter_add_local is the same with percpu_counter_add */ diff --git a/include/linux/perf/riscv_pmu.h b/include/linux/perf/riscv_pmu.h index e17e86ad6f3a..43fc892aa7d9 100644 --- a/include/linux/perf/riscv_pmu.h +++ b/include/linux/perf/riscv_pmu.h @@ -26,6 +26,8 @@ #define RISCV_PMU_STOP_FLAG_RESET 1 +#define RISCV_PMU_CONFIG1_GUEST_EVENTS 0x1 + struct cpu_hw_events { /* currently enabled events */ int n_events; @@ -73,6 +75,9 @@ void riscv_pmu_legacy_skip_init(void); static inline void riscv_pmu_legacy_skip_init(void) {}; #endif struct riscv_pmu *riscv_pmu_alloc(void); +#ifdef CONFIG_RISCV_PMU_SBI +int riscv_pmu_get_hpm_info(u32 *hw_ctr_width, u32 *num_hw_ctr); +#endif #endif /* CONFIG_RISCV_PMU */ diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index c6a3bac76966..d5628a7b5eaa 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -95,6 +95,11 @@ struct perf_raw_record { u32 size; }; +static __always_inline bool perf_raw_frag_last(const struct perf_raw_frag *frag) +{ + return frag->pad < sizeof(u64); +} + /* * branch stack layout: * nr: number of taken branches stored in entries[] @@ -1095,50 +1100,82 @@ int perf_event_read_local(struct perf_event *event, u64 *value, extern u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running); +extern struct perf_callchain_entry *perf_callchain(struct perf_event *event, struct pt_regs *regs); + +static inline bool branch_sample_no_flags(const struct perf_event *event) +{ + return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_NO_FLAGS; +} + +static inline bool branch_sample_no_cycles(const struct perf_event *event) +{ + return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_NO_CYCLES; +} + +static inline bool branch_sample_type(const struct perf_event *event) +{ + return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_TYPE_SAVE; +} + +static inline bool branch_sample_hw_index(const struct perf_event *event) +{ + return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_HW_INDEX; +} + +static inline bool branch_sample_priv(const struct perf_event *event) +{ + return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_PRIV_SAVE; +} + struct perf_sample_data { /* - * Fields set by perf_sample_data_init(), group so as to - * minimize the cachelines touched. + * Fields set by perf_sample_data_init() unconditionally, + * group so as to minimize the cachelines touched. */ u64 sample_flags; u64 period; + u64 dyn_size; /* - * The other fields, optionally {set,used} by - * perf_{prepare,output}_sample(). + * Fields commonly set by __perf_event_header__init_id(), + * group so as to minimize the cachelines touched. */ - struct perf_branch_stack *br_stack; - union perf_sample_weight weight; - union perf_mem_data_src data_src; - u64 txn; - u64 addr; - struct perf_raw_record *raw; - u64 type; - u64 ip; struct { u32 pid; u32 tid; } tid_entry; u64 time; u64 id; - u64 stream_id; struct { u32 cpu; u32 reserved; } cpu_entry; + + /* + * The other fields, optionally {set,used} by + * perf_{prepare,output}_sample(). + */ + u64 ip; struct perf_callchain_entry *callchain; - u64 aux_size; + struct perf_raw_record *raw; + struct perf_branch_stack *br_stack; + union perf_sample_weight weight; + union perf_mem_data_src data_src; + u64 txn; struct perf_regs regs_user; struct perf_regs regs_intr; u64 stack_user_size; - u64 phys_addr; + u64 stream_id; u64 cgroup; + u64 addr; + u64 phys_addr; u64 data_page_size; u64 code_page_size; + u64 aux_size; } ____cacheline_aligned; /* default value for data source */ @@ -1154,6 +1191,7 @@ static inline void perf_sample_data_init(struct perf_sample_data *data, /* remaining struct members initialized in perf_prepare_sample() */ data->sample_flags = PERF_SAMPLE_PERIOD; data->period = period; + data->dyn_size = 0; if (addr) { data->addr = addr; @@ -1161,6 +1199,68 @@ static inline void perf_sample_data_init(struct perf_sample_data *data, } } +static inline void perf_sample_save_callchain(struct perf_sample_data *data, + struct perf_event *event, + struct pt_regs *regs) +{ + int size = 1; + + data->callchain = perf_callchain(event, regs); + size += data->callchain->nr; + + data->dyn_size += size * sizeof(u64); + data->sample_flags |= PERF_SAMPLE_CALLCHAIN; +} + +static inline void perf_sample_save_raw_data(struct perf_sample_data *data, + struct perf_raw_record *raw) +{ + struct perf_raw_frag *frag = &raw->frag; + u32 sum = 0; + int size; + + do { + sum += frag->size; + if (perf_raw_frag_last(frag)) + break; + frag = frag->next; + } while (1); + + size = round_up(sum + sizeof(u32), sizeof(u64)); + raw->size = size - sizeof(u32); + frag->pad = raw->size - sum; + + data->raw = raw; + data->dyn_size += size; + data->sample_flags |= PERF_SAMPLE_RAW; +} + +static inline void perf_sample_save_brstack(struct perf_sample_data *data, + struct perf_event *event, + struct perf_branch_stack *brs) +{ + int size = sizeof(u64); /* nr */ + + if (branch_sample_hw_index(event)) + size += sizeof(u64); + size += brs->nr * sizeof(struct perf_branch_entry); + + data->br_stack = brs; + data->dyn_size += size; + data->sample_flags |= PERF_SAMPLE_BRANCH_STACK; +} + +static inline u32 perf_sample_data_size(struct perf_sample_data *data, + struct perf_event *event) +{ + u32 size = sizeof(struct perf_event_header); + + size += event->header_size + event->id_header_size; + size += data->dyn_size; + + return size; +} + /* * Clear all bitfields in the perf_branch_entry. * The to and from fields are not cleared because they are @@ -1182,7 +1282,10 @@ extern void perf_output_sample(struct perf_output_handle *handle, struct perf_event_header *header, struct perf_sample_data *data, struct perf_event *event); -extern void perf_prepare_sample(struct perf_event_header *header, +extern void perf_prepare_sample(struct perf_sample_data *data, + struct perf_event *event, + struct pt_regs *regs); +extern void perf_prepare_header(struct perf_event_header *header, struct perf_sample_data *data, struct perf_event *event, struct pt_regs *regs); @@ -1402,7 +1505,6 @@ extern void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct extern struct perf_callchain_entry * get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark); -extern struct perf_callchain_entry *perf_callchain(struct perf_event *event, struct pt_regs *regs); extern int get_callchain_buffers(int max_stack); extern void put_callchain_buffers(void); extern struct perf_callchain_entry *get_callchain_entry(int *rctx); @@ -1670,11 +1772,6 @@ extern void perf_restore_debug_store(void); static inline void perf_restore_debug_store(void) { } #endif -static __always_inline bool perf_raw_frag_last(const struct perf_raw_frag *frag) -{ - return frag->pad < sizeof(u64); -} - #define perf_output_put(handle, x) perf_output_copy((handle), &(x), sizeof(x)) struct perf_pmu_events_attr { @@ -1724,7 +1821,7 @@ static struct perf_pmu_events_attr _var = { \ .id = _id, } \ })[0].attr.attr) -#define PMU_FORMAT_ATTR(_name, _format) \ +#define PMU_FORMAT_ATTR_SHOW(_name, _format) \ static ssize_t \ _name##_show(struct device *dev, \ struct device_attribute *attr, \ @@ -1733,6 +1830,9 @@ _name##_show(struct device *dev, \ BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \ return sprintf(page, _format "\n"); \ } \ + +#define PMU_FORMAT_ATTR(_name, _format) \ + PMU_FORMAT_ATTR_SHOW(_name, _format) \ \ static struct device_attribute format_attr_##_name = __ATTR_RO(_name) @@ -1781,30 +1881,4 @@ static inline void perf_lopwr_cb(bool mode) } #endif -#ifdef CONFIG_PERF_EVENTS -static inline bool branch_sample_no_flags(const struct perf_event *event) -{ - return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_NO_FLAGS; -} - -static inline bool branch_sample_no_cycles(const struct perf_event *event) -{ - return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_NO_CYCLES; -} - -static inline bool branch_sample_type(const struct perf_event *event) -{ - return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_TYPE_SAVE; -} - -static inline bool branch_sample_hw_index(const struct perf_event *event) -{ - return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_HW_INDEX; -} - -static inline bool branch_sample_priv(const struct perf_event *event) -{ - return event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_PRIV_SAVE; -} -#endif /* CONFIG_PERF_EVENTS */ #endif /* _LINUX_PERF_EVENT_H */ diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 1159b25b0542..c63cd44777ec 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1064,35 +1064,6 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot) #define arch_start_context_switch(prev) do {} while (0) #endif -/* - * When replacing an anonymous page by a real (!non) swap entry, we clear - * PG_anon_exclusive from the page and instead remember whether the flag was - * set in the swp pte. During fork(), we have to mark the entry as !exclusive - * (possibly shared). On swapin, we use that information to restore - * PG_anon_exclusive, which is very helpful in cases where we might have - * additional (e.g., FOLL_GET) references on a page and wouldn't be able to - * detect exclusivity. - * - * These functions don't apply to non-swap entries (e.g., migration, hwpoison, - * ...). - */ -#ifndef __HAVE_ARCH_PTE_SWP_EXCLUSIVE -static inline pte_t pte_swp_mkexclusive(pte_t pte) -{ - return pte; -} - -static inline int pte_swp_exclusive(pte_t pte) -{ - return false; -} - -static inline pte_t pte_swp_clear_exclusive(pte_t pte) -{ - return pte; -} -#endif - #ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY #ifndef CONFIG_ARCH_ENABLE_THP_MIGRATION static inline pmd_t pmd_swp_mksoft_dirty(pmd_t pmd) @@ -1214,7 +1185,8 @@ static inline int track_pfn_copy(struct vm_area_struct *vma) * can be for the entire vma (in which case pfn, size are zero). */ static inline void untrack_pfn(struct vm_area_struct *vma, - unsigned long pfn, unsigned long size) + unsigned long pfn, unsigned long size, + bool mm_wr_locked) { } @@ -1232,7 +1204,7 @@ extern void track_pfn_insert(struct vm_area_struct *vma, pgprot_t *prot, pfn_t pfn); extern int track_pfn_copy(struct vm_area_struct *vma); extern void untrack_pfn(struct vm_area_struct *vma, unsigned long pfn, - unsigned long size); + unsigned long size, bool mm_wr_locked); extern void untrack_pfn_moved(struct vm_area_struct *vma); #endif diff --git a/include/linux/phy.h b/include/linux/phy.h index 6378c997ded5..36bf0bbc8efa 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -45,27 +45,32 @@ extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_features) __ro_after_init; extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_t1_features) __ro_after_init; +extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_t1s_p2mp_features) __ro_after_init; extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_features) __ro_after_init; extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_fibre_features) __ro_after_init; extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_all_ports_features) __ro_after_init; extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_features) __ro_after_init; extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_fec_features) __ro_after_init; extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features) __ro_after_init; +extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_eee_cap1_features) __ro_after_init; #define PHY_BASIC_FEATURES ((unsigned long *)&phy_basic_features) #define PHY_BASIC_T1_FEATURES ((unsigned long *)&phy_basic_t1_features) +#define PHY_BASIC_T1S_P2MP_FEATURES ((unsigned long *)&phy_basic_t1s_p2mp_features) #define PHY_GBIT_FEATURES ((unsigned long *)&phy_gbit_features) #define PHY_GBIT_FIBRE_FEATURES ((unsigned long *)&phy_gbit_fibre_features) #define PHY_GBIT_ALL_PORTS_FEATURES ((unsigned long *)&phy_gbit_all_ports_features) #define PHY_10GBIT_FEATURES ((unsigned long *)&phy_10gbit_features) #define PHY_10GBIT_FEC_FEATURES ((unsigned long *)&phy_10gbit_fec_features) #define PHY_10GBIT_FULL_FEATURES ((unsigned long *)&phy_10gbit_full_features) +#define PHY_EEE_CAP1_FEATURES ((unsigned long *)&phy_eee_cap1_features) extern const int phy_basic_ports_array[3]; extern const int phy_fibre_port_array[1]; extern const int phy_all_ports_features_array[7]; extern const int phy_10_100_features_array[4]; extern const int phy_basic_t1_features_array[3]; +extern const int phy_basic_t1s_p2mp_features_array[2]; extern const int phy_gbit_features_array[2]; extern const int phy_10gbit_features_array[1]; @@ -364,6 +369,11 @@ struct mii_bus { int (*read)(struct mii_bus *bus, int addr, int regnum); /** @write: Perform a write transfer on the bus */ int (*write)(struct mii_bus *bus, int addr, int regnum, u16 val); + /** @read_c45: Perform a C45 read transfer on the bus */ + int (*read_c45)(struct mii_bus *bus, int addr, int devnum, int regnum); + /** @write_c45: Perform a C45 write transfer on the bus */ + int (*write_c45)(struct mii_bus *bus, int addr, int devnum, + int regnum, u16 val); /** @reset: Perform a reset of the bus */ int (*reset)(struct mii_bus *bus); @@ -411,14 +421,6 @@ struct mii_bus { /** @reset_gpiod: Reset GPIO descriptor pointer */ struct gpio_desc *reset_gpiod; - /** @probe_capabilities: bus capabilities, used for probing */ - enum { - MDIOBUS_NO_CAP = 0, - MDIOBUS_C22, - MDIOBUS_C45, - MDIOBUS_C22_C45, - } probe_capabilities; - /** @shared_lock: protect access to the shared element */ struct mutex shared_lock; @@ -456,7 +458,7 @@ static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev) } struct mii_bus *mdio_find_bus(const char *mdio_name); -struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); +struct phy_device *mdiobus_scan_c22(struct mii_bus *bus, int addr); #define PHY_INTERRUPT_DISABLED false #define PHY_INTERRUPT_ENABLED true @@ -572,6 +574,9 @@ struct macsec_ops; * @supported: Combined MAC/PHY supported linkmodes * @advertising: Currently advertised linkmodes * @adv_old: Saved advertised while power saving for WoL + * @supported_eee: supported PHY EEE linkmodes + * @advertising_eee: Currently advertised EEE linkmodes + * @eee_enabled: Flag indicating whether the EEE feature is enabled * @lp_advertising: Current link partner advertised linkmodes * @host_interfaces: PHY interface modes supported by host * @eee_broken_modes: Energy efficient ethernet modes which should be prohibited @@ -676,6 +681,10 @@ struct phy_device { __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); /* used with phy_speed_down */ __ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old); + /* used for eee validation */ + __ETHTOOL_DECLARE_LINK_MODE_MASK(supported_eee); + __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising_eee); + bool eee_enabled; /* Host supported PHY interface types. Should be ignored if empty. */ DECLARE_PHY_INTERFACE_MASK(host_interfaces); @@ -739,6 +748,9 @@ struct phy_device { #endif }; +/* Generic phy_device::dev_flags */ +#define PHY_F_NO_IRQ 0x80000000 + static inline struct phy_device *to_phy_device(const struct device *dev) { return container_of(to_mdio_device(dev), struct phy_device, mdio); @@ -766,6 +778,63 @@ struct phy_tdr_config { #define PHY_PAIR_ALL -1 /** + * struct phy_plca_cfg - Configuration of the PLCA (Physical Layer Collision + * Avoidance) Reconciliation Sublayer. + * + * @version: read-only PLCA register map version. -1 = not available. Ignored + * when setting the configuration. Format is the same as reported by the PLCA + * IDVER register (31.CA00). -1 = not available. + * @enabled: PLCA configured mode (enabled/disabled). -1 = not available / don't + * set. 0 = disabled, anything else = enabled. + * @node_id: the PLCA local node identifier. -1 = not available / don't set. + * Allowed values [0 .. 254]. 255 = node disabled. + * @node_cnt: the PLCA node count (maximum number of nodes having a TO). Only + * meaningful for the coordinator (node_id = 0). -1 = not available / don't + * set. Allowed values [1 .. 255]. + * @to_tmr: The value of the PLCA to_timer in bit-times, which determines the + * PLCA transmit opportunity window opening. See IEEE802.3 Clause 148 for + * more details. The to_timer shall be set equal over all nodes. + * -1 = not available / don't set. Allowed values [0 .. 255]. + * @burst_cnt: controls how many additional frames a node is allowed to send in + * single transmit opportunity (TO). The default value of 0 means that the + * node is allowed exactly one frame per TO. A value of 1 allows two frames + * per TO, and so on. -1 = not available / don't set. + * Allowed values [0 .. 255]. + * @burst_tmr: controls how many bit times to wait for the MAC to send a new + * frame before interrupting the burst. This value should be set to a value + * greater than the MAC inter-packet gap (which is typically 96 bits). + * -1 = not available / don't set. Allowed values [0 .. 255]. + * + * A structure containing configuration parameters for setting/getting the PLCA + * RS configuration. The driver does not need to implement all the parameters, + * but should report what is actually used. + */ +struct phy_plca_cfg { + int version; + int enabled; + int node_id; + int node_cnt; + int to_tmr; + int burst_cnt; + int burst_tmr; +}; + +/** + * struct phy_plca_status - Status of the PLCA (Physical Layer Collision + * Avoidance) Reconciliation Sublayer. + * + * @pst: The PLCA status as reported by the PST bit in the PLCA STATUS + * register(31.CA03), indicating BEACON activity. + * + * A structure containing status information of the PLCA RS configuration. + * The driver does not need to implement all the parameters, but should report + * what is actually used. + */ +struct phy_plca_status { + bool pst; +}; + +/** * struct phy_driver - Driver structure for a particular PHY type * * @mdiodrv: Data common to all MDIO devices @@ -976,6 +1045,17 @@ struct phy_driver { int (*get_sqi)(struct phy_device *dev); /** @get_sqi_max: Get the maximum signal quality indication */ int (*get_sqi_max)(struct phy_device *dev); + + /* PLCA RS interface */ + /** @get_plca_cfg: Return the current PLCA configuration */ + int (*get_plca_cfg)(struct phy_device *dev, + struct phy_plca_cfg *plca_cfg); + /** @set_plca_cfg: Set the PLCA configuration */ + int (*set_plca_cfg)(struct phy_device *dev, + const struct phy_plca_cfg *plca_cfg); + /** @get_plca_status: Return the current PLCA status info */ + int (*get_plca_status)(struct phy_device *dev, + struct phy_plca_status *plca_st); }; #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \ struct phy_driver, mdiodrv) @@ -1543,6 +1623,7 @@ int phy_start_aneg(struct phy_device *phydev); int phy_aneg_done(struct phy_device *phydev); int phy_speed_down(struct phy_device *phydev, bool sync); int phy_speed_up(struct phy_device *phydev); +bool phy_check_valid(int speed, int duplex, unsigned long *features); int phy_restart_aneg(struct phy_device *phydev); int phy_reset_after_clk_enable(struct phy_device *phydev); @@ -1666,6 +1747,7 @@ int genphy_c45_an_config_aneg(struct phy_device *phydev); int genphy_c45_an_disable_aneg(struct phy_device *phydev); int genphy_c45_read_mdix(struct phy_device *phydev); int genphy_c45_pma_read_abilities(struct phy_device *phydev); +int genphy_c45_read_eee_abilities(struct phy_device *phydev); int genphy_c45_pma_baset1_read_master_slave(struct phy_device *phydev); int genphy_c45_read_status(struct phy_device *phydev); int genphy_c45_baset1_read_status(struct phy_device *phydev); @@ -1674,6 +1756,21 @@ int genphy_c45_loopback(struct phy_device *phydev, bool enable); int genphy_c45_pma_resume(struct phy_device *phydev); int genphy_c45_pma_suspend(struct phy_device *phydev); int genphy_c45_fast_retrain(struct phy_device *phydev, bool enable); +int genphy_c45_plca_get_cfg(struct phy_device *phydev, + struct phy_plca_cfg *plca_cfg); +int genphy_c45_plca_set_cfg(struct phy_device *phydev, + const struct phy_plca_cfg *plca_cfg); +int genphy_c45_plca_get_status(struct phy_device *phydev, + struct phy_plca_status *plca_st); +int genphy_c45_eee_is_active(struct phy_device *phydev, unsigned long *adv, + unsigned long *lp, bool *is_enabled); +int genphy_c45_ethtool_get_eee(struct phy_device *phydev, + struct ethtool_eee *data); +int genphy_c45_ethtool_set_eee(struct phy_device *phydev, + struct ethtool_eee *data); +int genphy_c45_write_eee_adv(struct phy_device *phydev, unsigned long *adv); +int genphy_c45_an_config_eee_aneg(struct phy_device *phydev); +int genphy_c45_read_eee_adv(struct phy_device *phydev, unsigned long *adv); /* Generic C45 PHY driver */ extern struct phy_driver genphy_c45_driver; @@ -1772,6 +1869,13 @@ int phy_ethtool_get_strings(struct phy_device *phydev, u8 *data); int phy_ethtool_get_sset_count(struct phy_device *phydev); int phy_ethtool_get_stats(struct phy_device *phydev, struct ethtool_stats *stats, u64 *data); +int phy_ethtool_get_plca_cfg(struct phy_device *phydev, + struct phy_plca_cfg *plca_cfg); +int phy_ethtool_set_plca_cfg(struct phy_device *phydev, + const struct phy_plca_cfg *plca_cfg, + struct netlink_ext_ack *extack); +int phy_ethtool_get_plca_status(struct phy_device *phydev, + struct phy_plca_status *plca_st); static inline int phy_package_read(struct phy_device *phydev, u32 regnum) { diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index b1413757fcc3..3a570bc59fc7 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -250,11 +250,12 @@ static inline void phy_set_bus_width(struct phy *phy, int bus_width) phy->attrs.bus_width = bus_width; } struct phy *phy_get(struct device *dev, const char *string); -struct phy *phy_optional_get(struct device *dev, const char *string); struct phy *devm_phy_get(struct device *dev, const char *string); struct phy *devm_phy_optional_get(struct device *dev, const char *string); struct phy *devm_of_phy_get(struct device *dev, struct device_node *np, const char *con_id); +struct phy *devm_of_phy_optional_get(struct device *dev, struct device_node *np, + const char *con_id); struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np, int index); void of_phy_put(struct phy *phy); @@ -426,12 +427,6 @@ static inline struct phy *phy_get(struct device *dev, const char *string) return ERR_PTR(-ENOSYS); } -static inline struct phy *phy_optional_get(struct device *dev, - const char *string) -{ - return ERR_PTR(-ENOSYS); -} - static inline struct phy *devm_phy_get(struct device *dev, const char *string) { return ERR_PTR(-ENOSYS); @@ -450,6 +445,13 @@ static inline struct phy *devm_of_phy_get(struct device *dev, return ERR_PTR(-ENOSYS); } +static inline struct phy *devm_of_phy_optional_get(struct device *dev, + struct device_node *np, + const char *con_id) +{ + return NULL; +} + static inline struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np, int index) diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index 07481bb87d4e..c758809d5bcf 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -16,6 +16,21 @@ struct fs_pin; +#if defined(CONFIG_SYSCTL) && defined(CONFIG_MEMFD_CREATE) +/* + * sysctl for vm.memfd_noexec + * 0: memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL + * acts like MFD_EXEC was set. + * 1: memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL + * acts like MFD_NOEXEC_SEAL was set. + * 2: memfd_create() without MFD_NOEXEC_SEAL will be + * rejected. + */ +#define MEMFD_NOEXEC_SCOPE_EXEC 0 +#define MEMFD_NOEXEC_SCOPE_NOEXEC_SEAL 1 +#define MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED 2 +#endif + struct pid_namespace { struct idr idr; struct rcu_head rcu; @@ -31,6 +46,10 @@ struct pid_namespace { struct ucounts *ucounts; int reboot; /* group exit code if this pidns was rebooted */ struct ns_common ns; +#if defined(CONFIG_SYSCTL) && defined(CONFIG_MEMFD_CREATE) + /* sysctl for vm.memfd_noexec */ + int memfd_noexec_scope; +#endif } __randomize_layout; extern struct pid_namespace init_pid_ns; diff --git a/include/linux/pinctrl/devinfo.h b/include/linux/pinctrl/devinfo.h index 9e8b559e1253..bb6653af4f92 100644 --- a/include/linux/pinctrl/devinfo.h +++ b/include/linux/pinctrl/devinfo.h @@ -18,6 +18,8 @@ struct device; #ifdef CONFIG_PINCTRL +#include <linux/device.h> + /* The device core acts as a consumer toward pinctrl */ #include <linux/pinctrl/consumer.h> @@ -44,6 +46,14 @@ struct dev_pin_info { extern int pinctrl_bind_pins(struct device *dev); extern int pinctrl_init_done(struct device *dev); +static inline struct pinctrl *dev_pinctrl(struct device *dev) +{ + if (!dev->pins) + return NULL; + + return dev->pins->p; +} + #else /* Stubs if we're not using pinctrl */ @@ -58,5 +68,10 @@ static inline int pinctrl_init_done(struct device *dev) return 0; } +static inline struct pinctrl *dev_pinctrl(struct device *dev) +{ + return NULL; +} + #endif /* CONFIG_PINCTRL */ #endif /* PINCTRL_DEVINFO_H */ diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index a0d39b303431..4d252ea00ed1 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -206,6 +206,26 @@ extern int pinctrl_get_group_pins(struct pinctrl_dev *pctldev, const char *pin_group, const unsigned **pins, unsigned *num_pins); +/** + * struct pinfunction - Description about a function + * @name: Name of the function + * @groups: An array of groups for this function + * @ngroups: Number of groups in @groups + */ +struct pinfunction { + const char *name; + const char * const *groups; + size_t ngroups; +}; + +/* Convenience macro to define a single named pinfunction */ +#define PINCTRL_PINFUNCTION(_name, _groups, _ngroups) \ +(struct pinfunction) { \ + .name = (_name), \ + .groups = (_groups), \ + .ngroups = (_ngroups), \ + } + #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PINCTRL) extern struct pinctrl_dev *of_pinctrl_get(struct device_node *np); #else diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index 6cb65df3e3ba..d2c3f16cf6b1 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -157,6 +157,26 @@ static inline bool pipe_full(unsigned int head, unsigned int tail, } /** + * pipe_buf - Return the pipe buffer for the specified slot in the pipe ring + * @pipe: The pipe to access + * @slot: The slot of interest + */ +static inline struct pipe_buffer *pipe_buf(const struct pipe_inode_info *pipe, + unsigned int slot) +{ + return &pipe->bufs[slot & (pipe->ring_size - 1)]; +} + +/** + * pipe_head_buf - Return the pipe buffer at the head of the pipe ring + * @pipe: The pipe to access + */ +static inline struct pipe_buffer *pipe_head_buf(const struct pipe_inode_info *pipe) +{ + return pipe_buf(pipe, pipe->head); +} + +/** * pipe_buf_get - get a reference to a pipe_buffer * @pipe: the pipe that the buffer belongs to * @buf: the buffer to get a reference to diff --git a/include/linux/platform_data/amd_xdma.h b/include/linux/platform_data/amd_xdma.h new file mode 100644 index 000000000000..b5e23e14bac8 --- /dev/null +++ b/include/linux/platform_data/amd_xdma.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2022, Advanced Micro Devices, Inc. + */ + +#ifndef _PLATDATA_AMD_XDMA_H +#define _PLATDATA_AMD_XDMA_H + +#include <linux/dmaengine.h> + +/** + * struct xdma_chan_info - DMA channel information + * This information is used to match channel when request dma channel + * @dir: Channel transfer direction + */ +struct xdma_chan_info { + enum dma_transfer_direction dir; +}; + +#define XDMA_FILTER_PARAM(chan_info) ((void *)(chan_info)) + +struct dma_slave_map; + +/** + * struct xdma_platdata - platform specific data for XDMA engine + * @max_dma_channels: Maximum dma channels in each direction + */ +struct xdma_platdata { + u32 max_dma_channels; + u32 device_map_cnt; + struct dma_slave_map *device_map; +}; + +#endif /* _PLATDATA_AMD_XDMA_H */ diff --git a/include/linux/platform_data/asoc-palm27x.h b/include/linux/platform_data/asoc-palm27x.h deleted file mode 100644 index 22b69a393a57..000000000000 --- a/include/linux/platform_data/asoc-palm27x.h +++ /dev/null @@ -1,9 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _INCLUDE_PALMASOC_H_ -#define _INCLUDE_PALMASOC_H_ - -struct palm27x_asoc_info { - int jack_gpio; -}; - -#endif diff --git a/include/linux/platform_data/asoc-poodle.h b/include/linux/platform_data/asoc-poodle.h deleted file mode 100644 index 2052fad55c5c..000000000000 --- a/include/linux/platform_data/asoc-poodle.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __LINUX_PLATFORM_DATA_POODLE_AUDIO -#define __LINUX_PLATFORM_DATA_POODLE_AUDIO - -/* locomo is not a proper gpio driver, and uses its own api */ -struct poodle_audio_platform_data { - struct device *locomo_dev; - - int gpio_amp_on; - int gpio_mute_l; - int gpio_mute_r; - int gpio_232vcc_on; - int gpio_jk_b; -}; - -#endif diff --git a/include/linux/platform_data/asoc-s3c24xx_simtec.h b/include/linux/platform_data/asoc-s3c24xx_simtec.h deleted file mode 100644 index 1a7efc98d108..000000000000 --- a/include/linux/platform_data/asoc-s3c24xx_simtec.h +++ /dev/null @@ -1,30 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright 2008 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * Simtec Audio support. -*/ - -/** - * struct s3c24xx_audio_simtec_pdata - platform data for simtec audio - * @use_mpllin: Select codec clock from MPLLin - * @output_cdclk: Need to output CDCLK to the codec - * @have_mic: Set if we have a MIC socket - * @have_lout: Set if we have a LineOut socket - * @amp_gpio: GPIO pin to enable the AMP - * @amp_gain: Option GPIO to control AMP gain - */ -struct s3c24xx_audio_simtec_pdata { - unsigned int use_mpllin:1; - unsigned int output_cdclk:1; - - unsigned int have_mic:1; - unsigned int have_lout:1; - - int amp_gpio; - int amp_gain[2]; - - void (*startup)(void); -}; diff --git a/include/linux/platform_data/asoc-ux500-msp.h b/include/linux/platform_data/asoc-ux500-msp.h deleted file mode 100644 index b8d0f730dda8..000000000000 --- a/include/linux/platform_data/asoc-ux500-msp.h +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) ST-Ericsson SA 2010 - * - * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson - */ - -#ifndef __MSP_H -#define __MSP_H - -#include <linux/platform_data/dma-ste-dma40.h> - -/* Platform data structure for a MSP I2S-device */ -struct msp_i2s_platform_data { - int id; - struct stedma40_chan_cfg *msp_i2s_dma_rx; - struct stedma40_chan_cfg *msp_i2s_dma_tx; -}; - -#endif diff --git a/include/linux/platform_data/ata-samsung_cf.h b/include/linux/platform_data/ata-samsung_cf.h deleted file mode 100644 index fccf969dc4da..000000000000 --- a/include/linux/platform_data/ata-samsung_cf.h +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Samsung CF-ATA platform_device info -*/ - -#ifndef __ATA_SAMSUNG_CF_H -#define __ATA_SAMSUNG_CF_H __FILE__ - -/** - * struct s3c_ide_platdata - S3C IDE driver platform data. - * @setup_gpio: Setup the external GPIO pins to the right state for data - * transfer in true-ide mode. - */ -struct s3c_ide_platdata { - void (*setup_gpio)(void); -}; - -/* - * s3c_ide_set_platdata() - Setup the platform specifc data for IDE driver. - * @pdata: Platform data for IDE driver. - */ -extern void s3c_ide_set_platdata(struct s3c_ide_platdata *pdata); - -/* architecture-specific IDE configuration */ -extern void s3c64xx_ide_setup_gpio(void); -extern void s5pv210_ide_setup_gpio(void); - -#endif /*__ATA_SAMSUNG_CF_H */ diff --git a/include/linux/platform_data/clk-s3c2410.h b/include/linux/platform_data/clk-s3c2410.h deleted file mode 100644 index 7eb1cfa5409b..000000000000 --- a/include/linux/platform_data/clk-s3c2410.h +++ /dev/null @@ -1,19 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (c) 2020 Krzysztof Kozlowski <krzk@kernel.org> - */ - -#ifndef __LINUX_PLATFORM_DATA_CLK_S3C2410_H_ -#define __LINUX_PLATFORM_DATA_CLK_S3C2410_H_ - -/** - * struct s3c2410_clk_platform_data - platform data for S3C2410 clock driver - * - * @modify_misccr: Function to modify the MISCCR and return the new value - */ -struct s3c2410_clk_platform_data { - unsigned int (*modify_misccr)(unsigned int clr, unsigned int chg); -}; - -#endif /* __LINUX_PLATFORM_DATA_CLK_S3C2410_H_ */ - diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h index 5744a2d746aa..7e9c76aedd2d 100644 --- a/include/linux/platform_data/cros_ec_commands.h +++ b/include/linux/platform_data/cros_ec_commands.h @@ -1082,7 +1082,7 @@ struct ec_params_get_cmd_versions_v1 { } __ec_align2; /** - * struct ec_response_get_cmd_version - Response to the get command versions. + * struct ec_response_get_cmd_versions - Response to the get command versions. * @version_mask: Mask of supported versions; use EC_VER_MASK() to compare with * a desired version. */ @@ -1300,8 +1300,18 @@ enum ec_feature_code { * mux. */ EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK = 43, - /* The MCU is a System Companion Processor (SCP) 2nd Core. */ - EC_FEATURE_SCP_C1 = 45, + /* + * The EC supports entering and residing in S4. + */ + EC_FEATURE_S4_RESIDENCY = 44, + /* + * The EC supports the AP directing mux sets for the board. + */ + EC_FEATURE_TYPEC_AP_MUX_SET = 45, + /* + * The EC supports the AP composing VDMs for us to send. + */ + EC_FEATURE_TYPEC_AP_VDM_SEND = 46, }; #define EC_FEATURE_MASK_0(event_code) BIT(event_code % 32) @@ -3471,6 +3481,9 @@ struct ec_response_get_next_event_v1 { #define EC_MKBP_VOL_UP 1 #define EC_MKBP_VOL_DOWN 2 #define EC_MKBP_RECOVERY 3 +#define EC_MKBP_BRI_UP 4 +#define EC_MKBP_BRI_DOWN 5 +#define EC_MKBP_SCREEN_LOCK 6 /* Switches */ #define EC_MKBP_LID_OPEN 0 @@ -5470,7 +5483,7 @@ struct ec_response_rollback_info { /* Issue AP reset */ #define EC_CMD_AP_RESET 0x0125 -/** +/* * Get the number of peripheral charge ports */ #define EC_CMD_PCHG_COUNT 0x0134 @@ -5481,7 +5494,7 @@ struct ec_response_pchg_count { uint8_t port_count; } __ec_align1; -/** +/* * Get the status of a peripheral charge port */ #define EC_CMD_PCHG 0x0135 @@ -5726,6 +5739,8 @@ enum typec_control_command { TYPEC_CONTROL_COMMAND_ENTER_MODE, TYPEC_CONTROL_COMMAND_TBT_UFP_REPLY, TYPEC_CONTROL_COMMAND_USB_MUX_SET, + TYPEC_CONTROL_COMMAND_BIST_SHARE_MODE, + TYPEC_CONTROL_COMMAND_SEND_VDM_REQ, }; /* Replies the AP may specify to the TBT EnterMode command as a UFP */ @@ -5739,6 +5754,17 @@ struct typec_usb_mux_set { uint8_t mux_flags; /* USB_PD_MUX_*-encoded USB mux state to set */ } __ec_align1; +#define VDO_MAX_SIZE 7 + +struct typec_vdm_req { + /* VDM data, including VDM header */ + uint32_t vdm_data[VDO_MAX_SIZE]; + /* Number of 32-bit fields filled in */ + uint8_t vdm_data_objects; + /* Partner to address - see enum typec_partner_type */ + uint8_t partner_type; +} __ec_align1; + struct ec_params_typec_control { uint8_t port; uint8_t command; /* enum typec_control_command */ @@ -5754,6 +5780,8 @@ struct ec_params_typec_control { uint8_t mode_to_enter; /* enum typec_mode */ uint8_t tbt_ufp_reply; /* enum typec_tbt_ufp_reply */ struct typec_usb_mux_set mux_params; + /* Used for VMD_REQ */ + struct typec_vdm_req vdm_req_params; uint8_t placeholder[128]; }; } __ec_align1; @@ -5835,6 +5863,9 @@ enum tcpc_cc_polarity { #define PD_STATUS_EVENT_DISCONNECTED BIT(3) #define PD_STATUS_EVENT_MUX_0_SET_DONE BIT(4) #define PD_STATUS_EVENT_MUX_1_SET_DONE BIT(5) +#define PD_STATUS_EVENT_VDM_REQ_REPLY BIT(6) +#define PD_STATUS_EVENT_VDM_REQ_FAILED BIT(7) +#define PD_STATUS_EVENT_VDM_ATTENTION BIT(8) struct ec_params_typec_status { uint8_t port; @@ -5878,6 +5909,37 @@ struct ec_response_typec_status { uint32_t sink_cap_pdos[7]; /* Max 7 PDOs can be present */ } __ec_align1; +/* + * Gather the response to the most recent VDM REQ from the AP, as well + * as popping the oldest VDM:Attention from the DPM queue + */ +#define EC_CMD_TYPEC_VDM_RESPONSE 0x013C + +struct ec_params_typec_vdm_response { + uint8_t port; +} __ec_align1; + +struct ec_response_typec_vdm_response { + /* Number of 32-bit fields filled in */ + uint8_t vdm_data_objects; + /* Partner to address - see enum typec_partner_type */ + uint8_t partner_type; + /* enum ec_status describing VDM response */ + uint16_t vdm_response_err; + /* VDM data, including VDM header */ + uint32_t vdm_response[VDO_MAX_SIZE]; + /* Number of 32-bit Attention fields filled in */ + uint8_t vdm_attention_objects; + /* Number of remaining messages to consume */ + uint8_t vdm_attention_left; + /* Reserved */ + uint16_t reserved1; + /* VDM:Attention contents */ + uint32_t vdm_attention[2]; +} __ec_align1; + +#undef VDO_MAX_SIZE + /*****************************************************************************/ /* The command range 0x200-0x2FF is reserved for Rotor. */ diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h index e43107e0bee1..4f9f756bc17c 100644 --- a/include/linux/platform_data/cros_ec_proto.h +++ b/include/linux/platform_data/cros_ec_proto.h @@ -9,6 +9,7 @@ #define __LINUX_CROS_EC_PROTO_H #include <linux/device.h> +#include <linux/lockdep_types.h> #include <linux/mutex.h> #include <linux/notifier.h> @@ -19,7 +20,6 @@ #define CROS_EC_DEV_ISH_NAME "cros_ish" #define CROS_EC_DEV_PD_NAME "cros_pd" #define CROS_EC_DEV_SCP_NAME "cros_scp" -#define CROS_EC_DEV_SCP_C1_NAME "cros_scp_c1" #define CROS_EC_DEV_TP_NAME "cros_tp" #define CROS_EC_DEV_EC_INDEX 0 @@ -42,6 +42,13 @@ #define EC_MAX_RESPONSE_OVERHEAD 32 /* + * EC panic is not covered by the standard (0-F) ACPI notify values. + * Arbitrarily choosing B0 to notify ec panic, which is in the 84-BF + * device specific ACPI notify range. + */ +#define ACPI_NOTIFY_CROS_EC_PANIC 0xB0 + +/* * Command interface between EC and AP, for LPC, I2C and SPI interfaces. */ enum { @@ -116,6 +123,8 @@ struct cros_ec_command { * command. The caller should check msg.result for the EC's result * code. * @pkt_xfer: Send packet to EC and get response. + * @lockdep_key: Lockdep class for each instance. Unused if CONFIG_LOCKDEP is + * not enabled. * @lock: One transaction at a time. * @mkbp_event_supported: 0 if MKBP not supported. Otherwise its value is * the maximum supported version of the MKBP host event @@ -125,6 +134,15 @@ struct cros_ec_command { * @event_data: Raw payload transferred with the MKBP event. * @event_size: Size in bytes of the event data. * @host_event_wake_mask: Mask of host events that cause wake from suspend. + * @suspend_timeout_ms: The timeout in milliseconds between when sleep event + * is received and when the EC will declare sleep + * transition failure if the sleep signal is not + * asserted. See also struct + * ec_params_host_sleep_event_v1 in cros_ec_commands.h. + * @last_resume_result: The number of sleep power signal transitions that + * occurred since the suspend message. The high bit + * indicates a timeout occurred. See also struct + * ec_response_host_sleep_event_v1 in cros_ec_commands.h. * @last_event_time: exact time from the hard irq when we got notified of * a new event. * @notifier_ready: The notifier_block to let the kernel re-query EC @@ -134,6 +152,7 @@ struct cros_ec_command { * main EC. * @pd: The platform_device used by the mfd driver to interface with the * PD behind an EC. + * @panic_notifier: EC panic notifier. */ struct cros_ec_device { /* These are used by other drivers that want to talk to the EC */ @@ -160,6 +179,7 @@ struct cros_ec_device { struct cros_ec_command *msg); int (*pkt_xfer)(struct cros_ec_device *ec, struct cros_ec_command *msg); + struct lock_class_key lockdep_key; struct mutex lock; u8 mkbp_event_supported; bool host_sleep_v1; @@ -176,6 +196,8 @@ struct cros_ec_device { /* The platform devices used by the mfd driver */ struct platform_device *ec; struct platform_device *pd; + + struct blocking_notifier_head panic_notifier; }; /** diff --git a/include/linux/platform_data/dma-mmp_tdma.h b/include/linux/platform_data/dma-mmp_tdma.h deleted file mode 100644 index 8bec5484dc86..000000000000 --- a/include/linux/platform_data/dma-mmp_tdma.h +++ /dev/null @@ -1,36 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * SRAM Memory Management - * - * Copyright (c) 2011 Marvell Semiconductors Inc. - */ - -#ifndef __DMA_MMP_TDMA_H -#define __DMA_MMP_TDMA_H - -#include <linux/genalloc.h> - -/* ARBITRARY: SRAM allocations are multiples of this 2^N size */ -#define SRAM_GRANULARITY 512 - -enum sram_type { - MMP_SRAM_UNDEFINED = 0, - MMP_ASRAM, - MMP_ISRAM, -}; - -struct sram_platdata { - char *pool_name; - int granularity; -}; - -#ifdef CONFIG_MMP_SRAM -extern struct gen_pool *sram_get_gpool(char *pool_name); -#else -static inline struct gen_pool *sram_get_gpool(char *pool_name) -{ - return NULL; -} -#endif - -#endif /* __DMA_MMP_TDMA_H */ diff --git a/include/linux/platform_data/dma-s3c24xx.h b/include/linux/platform_data/dma-s3c24xx.h deleted file mode 100644 index 96d02dbeea67..000000000000 --- a/include/linux/platform_data/dma-s3c24xx.h +++ /dev/null @@ -1,48 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * S3C24XX DMA handling - * - * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> - */ - -/* Helper to encode the source selection constraints for early s3c socs. */ -#define S3C24XX_DMA_CHANREQ(src, chan) ((BIT(3) | src) << chan * 4) - -enum s3c24xx_dma_bus { - S3C24XX_DMA_APB, - S3C24XX_DMA_AHB, -}; - -/** - * @bus: on which bus does the peripheral reside - AHB or APB. - * @handshake: is a handshake with the peripheral necessary - * @chansel: channel selection information, depending on variant; reqsel for - * s3c2443 and later and channel-selection map for earlier SoCs - * see CHANSEL doc in s3c2443-dma.c - */ -struct s3c24xx_dma_channel { - enum s3c24xx_dma_bus bus; - bool handshake; - u16 chansel; -}; - -struct dma_slave_map; - -/** - * struct s3c24xx_dma_platdata - platform specific settings - * @num_phy_channels: number of physical channels - * @channels: array of virtual channel descriptions - * @num_channels: number of virtual channels - * @slave_map: dma slave map matching table - * @slavecnt: number of elements in slave_map - */ -struct s3c24xx_dma_platdata { - int num_phy_channels; - struct s3c24xx_dma_channel *channels; - int num_channels; - const struct dma_slave_map *slave_map; - int slavecnt; -}; - -struct dma_chan; -bool s3c24xx_dma_filter(struct dma_chan *chan, void *param); diff --git a/include/linux/platform_data/fb-s3c2410.h b/include/linux/platform_data/fb-s3c2410.h deleted file mode 100644 index 10c11e6316d6..000000000000 --- a/include/linux/platform_data/fb-s3c2410.h +++ /dev/null @@ -1,99 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (c) 2004 Arnaud Patard <arnaud.patard@rtp-net.org> - * - * Inspired by pxafb.h -*/ - -#ifndef __ASM_PLAT_FB_S3C2410_H -#define __ASM_PLAT_FB_S3C2410_H __FILE__ - -#include <linux/compiler_types.h> - -struct s3c2410fb_hw { - unsigned long lcdcon1; - unsigned long lcdcon2; - unsigned long lcdcon3; - unsigned long lcdcon4; - unsigned long lcdcon5; -}; - -/* LCD description */ -struct s3c2410fb_display { - /* LCD type */ - unsigned type; -#define S3C2410_LCDCON1_DSCAN4 (0<<5) -#define S3C2410_LCDCON1_STN4 (1<<5) -#define S3C2410_LCDCON1_STN8 (2<<5) -#define S3C2410_LCDCON1_TFT (3<<5) - -#define S3C2410_LCDCON1_TFT1BPP (8<<1) -#define S3C2410_LCDCON1_TFT2BPP (9<<1) -#define S3C2410_LCDCON1_TFT4BPP (10<<1) -#define S3C2410_LCDCON1_TFT8BPP (11<<1) -#define S3C2410_LCDCON1_TFT16BPP (12<<1) -#define S3C2410_LCDCON1_TFT24BPP (13<<1) - - /* Screen size */ - unsigned short width; - unsigned short height; - - /* Screen info */ - unsigned short xres; - unsigned short yres; - unsigned short bpp; - - unsigned pixclock; /* pixclock in picoseconds */ - unsigned short left_margin; /* value in pixels (TFT) or HCLKs (STN) */ - unsigned short right_margin; /* value in pixels (TFT) or HCLKs (STN) */ - unsigned short hsync_len; /* value in pixels (TFT) or HCLKs (STN) */ - unsigned short upper_margin; /* value in lines (TFT) or 0 (STN) */ - unsigned short lower_margin; /* value in lines (TFT) or 0 (STN) */ - unsigned short vsync_len; /* value in lines (TFT) or 0 (STN) */ - - /* lcd configuration registers */ - unsigned long lcdcon5; -#define S3C2410_LCDCON5_BPP24BL (1<<12) -#define S3C2410_LCDCON5_FRM565 (1<<11) -#define S3C2410_LCDCON5_INVVCLK (1<<10) -#define S3C2410_LCDCON5_INVVLINE (1<<9) -#define S3C2410_LCDCON5_INVVFRAME (1<<8) -#define S3C2410_LCDCON5_INVVD (1<<7) -#define S3C2410_LCDCON5_INVVDEN (1<<6) -#define S3C2410_LCDCON5_INVPWREN (1<<5) -#define S3C2410_LCDCON5_INVLEND (1<<4) -#define S3C2410_LCDCON5_PWREN (1<<3) -#define S3C2410_LCDCON5_ENLEND (1<<2) -#define S3C2410_LCDCON5_BSWP (1<<1) -#define S3C2410_LCDCON5_HWSWP (1<<0) -}; - -struct s3c2410fb_mach_info { - - struct s3c2410fb_display *displays; /* attached displays info */ - unsigned num_displays; /* number of defined displays */ - unsigned default_display; - - /* GPIOs */ - - unsigned long gpcup; - unsigned long gpcup_mask; - unsigned long gpccon; - unsigned long gpccon_mask; - unsigned long gpdup; - unsigned long gpdup_mask; - unsigned long gpdcon; - unsigned long gpdcon_mask; - - void __iomem * gpccon_reg; - void __iomem * gpcup_reg; - void __iomem * gpdcon_reg; - void __iomem * gpdup_reg; - - /* lpc3600 control register */ - unsigned long lpcsel; -}; - -extern void s3c24xx_fb_set_platdata(struct s3c2410fb_mach_info *); - -#endif /* __ASM_PLAT_FB_S3C2410_H */ diff --git a/include/linux/platform_data/i2c-gpio.h b/include/linux/platform_data/i2c-gpio.h index a907774fd177..545639bcca72 100644 --- a/include/linux/platform_data/i2c-gpio.h +++ b/include/linux/platform_data/i2c-gpio.h @@ -16,16 +16,25 @@ * isn't actively driven high when setting the output value high. * gpio_get_value() must return the actual pin state even if the * pin is configured as an output. + * @sda_is_output_only: SDA output drivers can't be turned off. + * This is for clients that can only read SDA/SCL. + * @sda_has_no_pullup: SDA is used in a non-compliant way and has no pull-up. + * Therefore disable open-drain. * @scl_is_open_drain: SCL is set up as open drain. Same requirements * as for sda_is_open_drain apply. * @scl_is_output_only: SCL output drivers cannot be turned off. + * @scl_has_no_pullup: SCL is used in a non-compliant way and has no pull-up. + * Therefore disable open-drain. */ struct i2c_gpio_platform_data { int udelay; int timeout; unsigned int sda_is_open_drain:1; + unsigned int sda_is_output_only:1; + unsigned int sda_has_no_pullup:1; unsigned int scl_is_open_drain:1; unsigned int scl_is_output_only:1; + unsigned int scl_has_no_pullup:1; }; #endif /* _LINUX_I2C_GPIO_H */ diff --git a/include/linux/platform_data/irda-pxaficp.h b/include/linux/platform_data/irda-pxaficp.h deleted file mode 100644 index bd35ddcf3068..000000000000 --- a/include/linux/platform_data/irda-pxaficp.h +++ /dev/null @@ -1,26 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef ASMARM_ARCH_IRDA_H -#define ASMARM_ARCH_IRDA_H - -/* board specific transceiver capabilities */ - -#define IR_OFF 1 -#define IR_SIRMODE 2 -#define IR_FIRMODE 4 - -struct pxaficp_platform_data { - int transceiver_cap; - void (*transceiver_mode)(struct device *dev, int mode); - int (*startup)(struct device *dev); - void (*shutdown)(struct device *dev); - int gpio_pwdown; /* powerdown GPIO for the IrDA chip */ - bool gpio_pwdown_inverted; /* gpio_pwdown is inverted */ -}; - -extern void pxa_set_ficp_info(struct pxaficp_platform_data *info); - -#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x) -void pxa2xx_transceiver_mode(struct device *dev, int mode); -#endif - -#endif diff --git a/include/linux/platform_data/irda-sa11x0.h b/include/linux/platform_data/irda-sa11x0.h deleted file mode 100644 index 7db59c917575..000000000000 --- a/include/linux/platform_data/irda-sa11x0.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * arch/arm/include/asm/mach/irda.h - * - * Copyright (C) 2004 Russell King. - */ -#ifndef __ASM_ARM_MACH_IRDA_H -#define __ASM_ARM_MACH_IRDA_H - -struct irda_platform_data { - int (*startup)(struct device *); - void (*shutdown)(struct device *); - int (*set_power)(struct device *, unsigned int state); - void (*set_speed)(struct device *, unsigned int speed); -}; - -#endif diff --git a/include/linux/platform_data/keyboard-pxa930_rotary.h b/include/linux/platform_data/keyboard-pxa930_rotary.h deleted file mode 100644 index 3271aa01cbe8..000000000000 --- a/include/linux/platform_data/keyboard-pxa930_rotary.h +++ /dev/null @@ -1,21 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_ARCH_PXA930_ROTARY_H -#define __ASM_ARCH_PXA930_ROTARY_H - -/* NOTE: - * - * rotary can be either interpreted as a ralative input event (e.g. - * REL_WHEEL or REL_HWHEEL) or a specific key event (e.g. UP/DOWN - * or LEFT/RIGHT), depending on if up_key & down_key are assigned - * or rel_code is assigned a non-zero value. When all are non-zero, - * up_key and down_key will be preferred. - */ -struct pxa930_rotary_platform_data { - int up_key; - int down_key; - int rel_code; -}; - -void __init pxa930_set_rotarykey_info(struct pxa930_rotary_platform_data *info); - -#endif /* __ASM_ARCH_PXA930_ROTARY_H */ diff --git a/include/linux/platform_data/leds-omap.h b/include/linux/platform_data/leds-omap.h deleted file mode 100644 index dd1a3ec86fe4..000000000000 --- a/include/linux/platform_data/leds-omap.h +++ /dev/null @@ -1,19 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2006 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - */ -#ifndef ASMARM_ARCH_LED_H -#define ASMARM_ARCH_LED_H - -struct omap_led_config { - struct led_classdev cdev; - s16 gpio; -}; - -struct omap_led_platform_data { - s16 nr_leds; - struct omap_led_config *leds; -}; - -#endif diff --git a/include/linux/platform_data/leds-s3c24xx.h b/include/linux/platform_data/leds-s3c24xx.h deleted file mode 100644 index 64f8d14876e0..000000000000 --- a/include/linux/platform_data/leds-s3c24xx.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (c) 2006 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX - LEDs GPIO connector -*/ - -#ifndef __LEDS_S3C24XX_H -#define __LEDS_S3C24XX_H - -struct s3c24xx_led_platdata { - char *name; - char *def_trigger; -}; - -#endif /* __LEDS_S3C24XX_H */ diff --git a/include/linux/platform_data/media/s5p_hdmi.h b/include/linux/platform_data/media/s5p_hdmi.h deleted file mode 100644 index 457321e917b9..000000000000 --- a/include/linux/platform_data/media/s5p_hdmi.h +++ /dev/null @@ -1,32 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Driver header for S5P HDMI chip. - * - * Copyright (c) 2011 Samsung Electronics, Co. Ltd - * Contact: Tomasz Stanislawski <t.stanislaws@samsung.com> - */ - -#ifndef S5P_HDMI_H -#define S5P_HDMI_H - -struct i2c_board_info; - -/** - * @hdmiphy_bus: controller id for HDMIPHY bus - * @hdmiphy_info: template for HDMIPHY I2C device - * @mhl_bus: controller id for MHL control bus - * @mhl_info: template for MHL I2C device - * @hpd_gpio: GPIO for Hot-Plug-Detect pin - * - * NULL pointer for *_info fields indicates that - * the corresponding chip is not present - */ -struct s5p_hdmi_platform_data { - int hdmiphy_bus; - struct i2c_board_info *hdmiphy_info; - int mhl_bus; - struct i2c_board_info *mhl_info; - int hpd_gpio; -}; - -#endif /* S5P_HDMI_H */ diff --git a/include/linux/platform_data/mlxreg.h b/include/linux/platform_data/mlxreg.h index a6bd74e29b6b..0b9f81a6f753 100644 --- a/include/linux/platform_data/mlxreg.h +++ b/include/linux/platform_data/mlxreg.h @@ -216,6 +216,7 @@ struct mlxreg_core_platform_data { * @mask_low: low aggregation interrupt common mask; * @deferred_nr: I2C adapter number must be exist prior probing execution; * @shift_nr: I2C adapter numbers must be incremented by this value; + * @addr: mapped resource address; * @handle: handle to be passed by callback; * @completion_notify: callback to notify when platform driver probing is done; */ @@ -230,6 +231,7 @@ struct mlxreg_core_hotplug_platform_data { u32 mask_low; int deferred_nr; int shift_nr; + void __iomem *addr; void *handle; int (*completion_notify)(void *handle, int id); }; diff --git a/include/linux/platform_data/mmc-s3cmci.h b/include/linux/platform_data/mmc-s3cmci.h deleted file mode 100644 index bacb86db3112..000000000000 --- a/include/linux/platform_data/mmc-s3cmci.h +++ /dev/null @@ -1,51 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ARCH_MCI_H -#define _ARCH_MCI_H - -/** - * struct s3c24xx_mci_pdata - sd/mmc controller platform data - * @no_wprotect: Set this to indicate there is no write-protect switch. - * @no_detect: Set this if there is no detect switch. - * @wprotect_invert: Invert the default sense of the write protect switch. - * @use_dma: Set to allow the use of DMA. - * @gpio_detect: GPIO number for the card detect line. - * @gpio_wprotect: GPIO number for the write protect line. - * @ocr_avail: The mask of the available power states, non-zero to use. - * @set_power: Callback to control the power mode. - * - * The @gpio_detect is used for card detection when @no_wprotect is unset, - * and the default sense is that 0 returned from gpio_get_value() means - * that a card is inserted. If @detect_invert is set, then the value from - * gpio_get_value() is inverted, which makes 1 mean card inserted. - * - * The driver will use @gpio_wprotect to signal whether the card is write - * protected if @no_wprotect is not set. A 0 returned from gpio_get_value() - * means the card is read/write, and 1 means read-only. The @wprotect_invert - * will invert the value returned from gpio_get_value(). - * - * Card power is set by @ocr_availa, using MCC_VDD_ constants if it is set - * to a non-zero value, otherwise the default of 3.2-3.4V is used. - */ -struct s3c24xx_mci_pdata { - unsigned int no_wprotect:1; - unsigned int no_detect:1; - unsigned int wprotect_invert:1; - unsigned int use_dma:1; - - unsigned long ocr_avail; - void (*set_power)(unsigned char power_mode, - unsigned short vdd); - struct gpio_desc *bus[6]; -}; - -/** - * s3c24xx_mci_set_platdata - set platform data for mmc/sdi device - * @pdata: The platform data - * - * Copy the platform data supplied by @pdata so that this can be marked - * __initdata. - */ -extern void s3c24xx_mci_def_set_power(unsigned char power_mode, unsigned short vdd); -extern void s3c24xx_mci_set_platdata(struct s3c24xx_mci_pdata *pdata); - -#endif /* _ARCH_NCI_H */ diff --git a/include/linux/platform_data/mmp_audio.h b/include/linux/platform_data/mmp_audio.h deleted file mode 100644 index 83428d8ee18d..000000000000 --- a/include/linux/platform_data/mmp_audio.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * MMP Platform AUDIO Management - * - * Copyright (c) 2011 Marvell Semiconductors Inc. - */ - -#ifndef MMP_AUDIO_H -#define MMP_AUDIO_H - -struct mmp_audio_platdata { - u32 period_max_capture; - u32 buffer_max_capture; - u32 period_max_playback; - u32 buffer_max_playback; -}; - -#endif /* MMP_AUDIO_H */ diff --git a/include/linux/platform_data/mouse-pxa930_trkball.h b/include/linux/platform_data/mouse-pxa930_trkball.h deleted file mode 100644 index ba0ac7a30d8c..000000000000 --- a/include/linux/platform_data/mouse-pxa930_trkball.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_ARCH_PXA930_TRKBALL_H -#define __ASM_ARCH_PXA930_TRKBALL_H - -struct pxa930_trkball_platform_data { - int x_filter; - int y_filter; -}; - -#endif /* __ASM_ARCH_PXA930_TRKBALL_H */ - diff --git a/include/linux/platform_data/pcf857x.h b/include/linux/platform_data/pcf857x.h deleted file mode 100644 index 01d0a3ea3aef..000000000000 --- a/include/linux/platform_data/pcf857x.h +++ /dev/null @@ -1,45 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __LINUX_PCF857X_H -#define __LINUX_PCF857X_H - -/** - * struct pcf857x_platform_data - data to set up pcf857x driver - * @gpio_base: number of the chip's first GPIO - * @n_latch: optional bit-inverse of initial register value; if - * you leave this initialized to zero the driver will act - * like the chip was just reset - * @setup: optional callback issued once the GPIOs are valid - * @teardown: optional callback issued before the GPIOs are invalidated - * @context: optional parameter passed to setup() and teardown() - * - * In addition to the I2C_BOARD_INFO() state appropriate to each chip, - * the i2c_board_info used with the pcf875x driver must provide its - * platform_data (pointer to one of these structures) with at least - * the gpio_base value initialized. - * - * The @setup callback may be used with the kind of board-specific glue - * which hands the (now-valid) GPIOs to other drivers, or which puts - * devices in their initial states using these GPIOs. - * - * These GPIO chips are only "quasi-bidirectional"; read the chip specs - * to understand the behavior. They don't have separate registers to - * record which pins are used for input or output, record which output - * values are driven, or provide access to input values. That must be - * inferred by reading the chip's value and knowing the last value written - * to it. If you leave n_latch initialized to zero, that last written - * value is presumed to be all ones (as if the chip were just reset). - */ -struct pcf857x_platform_data { - unsigned gpio_base; - unsigned n_latch; - - int (*setup)(struct i2c_client *client, - int gpio, unsigned ngpio, - void *context); - void (*teardown)(struct i2c_client *client, - int gpio, unsigned ngpio, - void *context); - void *context; -}; - -#endif /* __LINUX_PCF857X_H */ diff --git a/include/linux/platform_data/rtc-v3020.h b/include/linux/platform_data/rtc-v3020.h deleted file mode 100644 index e55d82cebf80..000000000000 --- a/include/linux/platform_data/rtc-v3020.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * v3020.h - Registers definition and platform data structure for the v3020 RTC. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2006, 8D Technologies inc. - */ -#ifndef __LINUX_V3020_H -#define __LINUX_V3020_H - -/* The v3020 has only one data pin but which one - * is used depends on the board. */ -struct v3020_platform_data { - int leftshift; /* (1<<(leftshift)) & readl() */ - - unsigned int use_gpio:1; - unsigned int gpio_cs; - unsigned int gpio_wr; - unsigned int gpio_rd; - unsigned int gpio_io; -}; - -#define V3020_STATUS_0 0x00 -#define V3020_STATUS_1 0x01 -#define V3020_SECONDS 0x02 -#define V3020_MINUTES 0x03 -#define V3020_HOURS 0x04 -#define V3020_MONTH_DAY 0x05 -#define V3020_MONTH 0x06 -#define V3020_YEAR 0x07 -#define V3020_WEEK_DAY 0x08 -#define V3020_WEEK 0x09 - -#define V3020_IS_COMMAND(val) ((val)>=0x0E) - -#define V3020_CMD_RAM2CLOCK 0x0E -#define V3020_CMD_CLOCK2RAM 0x0F - -#endif /* __LINUX_V3020_H */ diff --git a/include/linux/platform_data/s3c-hsudc.h b/include/linux/platform_data/s3c-hsudc.h deleted file mode 100644 index a170939832d5..000000000000 --- a/include/linux/platform_data/s3c-hsudc.h +++ /dev/null @@ -1,33 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * S3C24XX USB 2.0 High-speed USB controller gadget driver - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * The S3C24XX USB 2.0 high-speed USB controller supports upto 9 endpoints. - * Each endpoint can be configured as either in or out endpoint. Endpoints - * can be configured for Bulk or Interrupt transfer mode. -*/ - -#ifndef __LINUX_USB_S3C_HSUDC_H -#define __LINUX_USB_S3C_HSUDC_H - -/** - * s3c24xx_hsudc_platdata - Platform data for USB High-Speed gadget controller. - * @epnum: Number of endpoints to be instantiated by the controller driver. - * @gpio_init: Platform specific USB related GPIO initialization. - * @gpio_uninit: Platform specific USB releted GPIO uninitialzation. - * - * Representation of platform data for the S3C24XX USB 2.0 High Speed gadget - * controllers. - */ -struct s3c24xx_hsudc_platdata { - unsigned int epnum; - void (*gpio_init)(void); - void (*gpio_uninit)(void); - void (*phy_init)(void); - void (*phy_uninit)(void); -}; - -#endif /* __LINUX_USB_S3C_HSUDC_H */ diff --git a/include/linux/platform_data/simplefb.h b/include/linux/platform_data/simplefb.h index 27ea99af6e1d..4f94d52ac99f 100644 --- a/include/linux/platform_data/simplefb.h +++ b/include/linux/platform_data/simplefb.h @@ -22,6 +22,7 @@ { "r8g8b8", 24, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_RGB888 }, \ { "x8r8g8b8", 32, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_XRGB8888 }, \ { "a8r8g8b8", 32, {16, 8}, {8, 8}, {0, 8}, {24, 8}, DRM_FORMAT_ARGB8888 }, \ + { "x8b8g8r8", 32, {0, 8}, {8, 8}, {16, 8}, {0, 0}, DRM_FORMAT_XBGR8888 }, \ { "a8b8g8r8", 32, {0, 8}, {8, 8}, {16, 8}, {24, 8}, DRM_FORMAT_ABGR8888 }, \ { "x2r10g10b10", 32, {20, 10}, {10, 10}, {0, 10}, {0, 0}, DRM_FORMAT_XRGB2101010 }, \ { "a2r10g10b10", 32, {20, 10}, {10, 10}, {0, 10}, {30, 2}, DRM_FORMAT_ARGB2101010 }, \ diff --git a/include/linux/platform_data/tsl2563.h b/include/linux/platform_data/tsl2563.h deleted file mode 100644 index 9cf9309c3f24..000000000000 --- a/include/linux/platform_data/tsl2563.h +++ /dev/null @@ -1,9 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __LINUX_TSL2563_H -#define __LINUX_TSL2563_H - -struct tsl2563_platform_data { - int cover_comp_gain; -}; - -#endif /* __LINUX_TSL2563_H */ diff --git a/include/linux/platform_data/usb-pxa3xx-ulpi.h b/include/linux/platform_data/usb-pxa3xx-ulpi.h deleted file mode 100644 index 4d31a5cbdeb1..000000000000 --- a/include/linux/platform_data/usb-pxa3xx-ulpi.h +++ /dev/null @@ -1,32 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * PXA3xx U2D header - * - * Copyright (C) 2010 CompuLab Ltd. - * - * Igor Grinberg <grinberg@compulab.co.il> - */ -#ifndef __PXA310_U2D__ -#define __PXA310_U2D__ - -#include <linux/usb/ulpi.h> - -struct pxa3xx_u2d_platform_data { - -#define ULPI_SER_6PIN (1 << 0) -#define ULPI_SER_3PIN (1 << 1) - unsigned int ulpi_mode; - - int (*init)(struct device *); - void (*exit)(struct device *); -}; - - -/* Start PXA3xx U2D host */ -int pxa3xx_u2d_start_hc(struct usb_bus *host); -/* Stop PXA3xx U2D host */ -void pxa3xx_u2d_stop_hc(struct usb_bus *host); - -extern void pxa3xx_set_u2d_info(struct pxa3xx_u2d_platform_data *info); - -#endif /* __PXA310_U2D__ */ diff --git a/include/linux/platform_data/usb-s3c2410_udc.h b/include/linux/platform_data/usb-s3c2410_udc.h deleted file mode 100644 index c0fbe1fe3426..000000000000 --- a/include/linux/platform_data/usb-s3c2410_udc.h +++ /dev/null @@ -1,33 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* arch/arm/plat-samsung/include/plat/udc.h - * - * Copyright (c) 2005 Arnaud Patard <arnaud.patard@rtp-net.org> - * - * Changelog: - * 14-Mar-2005 RTP Created file - * 02-Aug-2005 RTP File rename - * 07-Sep-2005 BJD Minor cleanups, changed cmd to enum - * 18-Jan-2007 HMW Add per-platform vbus_draw function -*/ - -#ifndef __ASM_ARM_ARCH_UDC_H -#define __ASM_ARM_ARCH_UDC_H - -enum s3c2410_udc_cmd_e { - S3C2410_UDC_P_ENABLE = 1, /* Pull-up enable */ - S3C2410_UDC_P_DISABLE = 2, /* Pull-up disable */ - S3C2410_UDC_P_RESET = 3, /* UDC reset, in case of */ -}; - -struct s3c2410_udc_mach_info { - void (*udc_command)(enum s3c2410_udc_cmd_e); - void (*vbus_draw)(unsigned int ma); -}; - -extern void __init s3c24xx_udc_set_platdata(struct s3c2410_udc_mach_info *); - -struct s3c24xx_hsudc_platdata; - -extern void __init s3c24xx_hsudc_set_platdata(struct s3c24xx_hsudc_platdata *pd); - -#endif /* __ASM_ARM_ARCH_UDC_H */ diff --git a/include/linux/platform_data/voltage-omap.h b/include/linux/platform_data/voltage-omap.h index 43e8da9fb447..6d74e507dbd2 100644 --- a/include/linux/platform_data/voltage-omap.h +++ b/include/linux/platform_data/voltage-omap.h @@ -29,7 +29,6 @@ struct omap_volt_data { struct voltagedomain; struct voltagedomain *voltdm_lookup(const char *name); -int voltdm_scale(struct voltagedomain *voltdm, unsigned long target_volt); unsigned long voltdm_get_voltage(struct voltagedomain *voltdm); struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, unsigned long volt); diff --git a/include/linux/platform_data/x86/soc.h b/include/linux/platform_data/x86/soc.h index da05f425587a..a5705189e2ac 100644 --- a/include/linux/platform_data/x86/soc.h +++ b/include/linux/platform_data/x86/soc.h @@ -8,10 +8,13 @@ #ifndef __PLATFORM_DATA_X86_SOC_H #define __PLATFORM_DATA_X86_SOC_H +#include <linux/types.h> + #if IS_ENABLED(CONFIG_X86) +#include <linux/mod_devicetable.h> + #include <asm/cpu_device_id.h> -#include <asm/intel-family.h> #define SOC_INTEL_IS_CPU(soc, type) \ static inline bool soc_intel_is_##soc(void) \ @@ -34,6 +37,8 @@ SOC_INTEL_IS_CPU(apl, ATOM_GOLDMONT); SOC_INTEL_IS_CPU(glk, ATOM_GOLDMONT_PLUS); SOC_INTEL_IS_CPU(cml, KABYLAKE_L); +#undef SOC_INTEL_IS_CPU + #else /* IS_ENABLED(CONFIG_X86) */ static inline bool soc_intel_is_byt(void) diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index b0d5a253156e..b845fd83f429 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -207,7 +207,18 @@ extern void platform_device_put(struct platform_device *pdev); struct platform_driver { int (*probe)(struct platform_device *); + + /* + * Traditionally the remove callback returned an int which however is + * ignored by the driver core. This led to wrong expectations by driver + * authors who thought returning an error code was a valid error + * handling strategy. To convert to a callback returning void, new + * drivers should implement .remove_new() until the conversion it done + * that eventually makes .remove() return void. + */ int (*remove)(struct platform_device *); + void (*remove_new)(struct platform_device *); + void (*shutdown)(struct platform_device *); int (*suspend)(struct platform_device *, pm_message_t state); int (*resume)(struct platform_device *); diff --git a/include/linux/pm.h b/include/linux/pm.h index 93cd34f00822..035d9649eba4 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -379,9 +379,13 @@ const struct dev_pm_ops name = { \ const struct dev_pm_ops name; \ __EXPORT_SYMBOL(name, sec, ns); \ const struct dev_pm_ops name +#define EXPORT_PM_FN_GPL(name) EXPORT_SYMBOL_GPL(name) +#define EXPORT_PM_FN_NS_GPL(name, ns) EXPORT_SYMBOL_NS_GPL(name, ns) #else #define _EXPORT_DEV_PM_OPS(name, sec, ns) \ static __maybe_unused const struct dev_pm_ops __static_##name +#define EXPORT_PM_FN_GPL(name) +#define EXPORT_PM_FN_NS_GPL(name, ns) #endif #define EXPORT_DEV_PM_OPS(name) _EXPORT_DEV_PM_OPS(name, "", "") diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 1cd41bdf73cf..f776fb93eaa0 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -136,6 +136,7 @@ struct generic_pm_domain { unsigned int prepared_count; /* Suspend counter of prepared devices */ unsigned int performance_state; /* Aggregated max performance state */ cpumask_var_t cpus; /* A cpumask of the attached CPUs */ + bool synced_poweroff; /* A consumer needs a synced poweroff */ int (*power_off)(struct generic_pm_domain *domain); int (*power_on)(struct generic_pm_domain *domain); struct raw_notifier_head power_notifiers; /* Power on/off notifiers */ @@ -235,6 +236,7 @@ int dev_pm_genpd_add_notifier(struct device *dev, struct notifier_block *nb); int dev_pm_genpd_remove_notifier(struct device *dev); void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next); ktime_t dev_pm_genpd_get_next_hrtimer(struct device *dev); +void dev_pm_genpd_synced_poweroff(struct device *dev); extern struct dev_power_governor simple_qos_governor; extern struct dev_power_governor pm_domain_always_on_gov; @@ -300,6 +302,9 @@ static inline ktime_t dev_pm_genpd_get_next_hrtimer(struct device *dev) { return KTIME_MAX; } +static inline void dev_pm_genpd_synced_poweroff(struct device *dev) +{ } + #define simple_qos_governor (*(struct dev_power_governor *)(NULL)) #define pm_domain_always_on_gov (*(struct dev_power_governor *)(NULL)) #endif diff --git a/include/linux/poison.h b/include/linux/poison.h index 2d3249eb0e62..851a855d3868 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -81,7 +81,13 @@ /********** net/core/page_pool.c **********/ #define PP_SIGNATURE (0x40 + POISON_POINTER_DELTA) +/********** net/core/skbuff.c **********/ +#define SKB_LIST_POISON_NEXT ((void *)(0x800 + POISON_POINTER_DELTA)) + /********** kernel/bpf/ **********/ #define BPF_PTR_POISON ((void *)(0xeB9FUL + POISON_POINTER_DELTA)) +/********** VFS **********/ +#define VFS_PTR_POISON ((void *)(0xF5 + POISON_POINTER_DELTA)) + #endif diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h index ee608d22ecb9..21cc29b8a9e8 100644 --- a/include/linux/posix_acl.h +++ b/include/linux/posix_acl.h @@ -69,20 +69,20 @@ extern int __posix_acl_create(struct posix_acl **, gfp_t, umode_t *); extern int __posix_acl_chmod(struct posix_acl **, gfp_t, umode_t); extern struct posix_acl *get_posix_acl(struct inode *, int); -int set_posix_acl(struct user_namespace *, struct dentry *, int, +int set_posix_acl(struct mnt_idmap *, struct dentry *, int, struct posix_acl *); struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type); struct posix_acl *posix_acl_clone(const struct posix_acl *acl, gfp_t flags); #ifdef CONFIG_FS_POSIX_ACL -int posix_acl_chmod(struct user_namespace *, struct dentry *, umode_t); +int posix_acl_chmod(struct mnt_idmap *, struct dentry *, umode_t); extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **, struct posix_acl **); -int posix_acl_update_mode(struct user_namespace *, struct inode *, umode_t *, +int posix_acl_update_mode(struct mnt_idmap *, struct inode *, umode_t *, struct posix_acl **); -int simple_set_acl(struct user_namespace *, struct dentry *, +int simple_set_acl(struct mnt_idmap *, struct dentry *, struct posix_acl *, int); extern int simple_acl_create(struct inode *, struct inode *); @@ -91,7 +91,7 @@ void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl); void forget_cached_acl(struct inode *inode, int type); void forget_all_cached_acls(struct inode *inode); int posix_acl_valid(struct user_namespace *, const struct posix_acl *); -int posix_acl_permission(struct user_namespace *, struct inode *, +int posix_acl_permission(struct mnt_idmap *, struct inode *, const struct posix_acl *, int); static inline void cache_no_acl(struct inode *inode) @@ -100,14 +100,14 @@ static inline void cache_no_acl(struct inode *inode) inode->i_default_acl = NULL; } -int vfs_set_acl(struct user_namespace *mnt_userns, struct dentry *dentry, +int vfs_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name, struct posix_acl *kacl); -struct posix_acl *vfs_get_acl(struct user_namespace *mnt_userns, +struct posix_acl *vfs_get_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name); -int vfs_remove_acl(struct user_namespace *mnt_userns, struct dentry *dentry, +int vfs_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name); #else -static inline int posix_acl_chmod(struct user_namespace *mnt_userns, +static inline int posix_acl_chmod(struct mnt_idmap *idmap, struct dentry *dentry, umode_t mode) { return 0; @@ -134,21 +134,21 @@ static inline void forget_all_cached_acls(struct inode *inode) { } -static inline int vfs_set_acl(struct user_namespace *mnt_userns, +static inline int vfs_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *name, struct posix_acl *acl) { return -EOPNOTSUPP; } -static inline struct posix_acl *vfs_get_acl(struct user_namespace *mnt_userns, +static inline struct posix_acl *vfs_get_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { return ERR_PTR(-EOPNOTSUPP); } -static inline int vfs_remove_acl(struct user_namespace *mnt_userns, +static inline int vfs_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { return -EOPNOTSUPP; diff --git a/include/linux/power/smartreflex.h b/include/linux/power/smartreflex.h index 167b9b040091..3a2c79dfc1ff 100644 --- a/include/linux/power/smartreflex.h +++ b/include/linux/power/smartreflex.h @@ -273,8 +273,6 @@ struct omap_sr_nvalue_table { * @senn_avgweight SENNAVGWEIGHT value of the sr AVGWEIGHT register * @senp_avgweight SENPAVGWEIGHT value of the sr AVGWEIGHT register * @nvalue_count: Number of distinct nvalues in the nvalue table - * @enable_on_init: whether this sr module needs to enabled at - * boot up or not. * @nvalue_table: table containing the efuse offsets and nvalues * corresponding to them. * @voltdm: Pointer to the voltage domain associated with the SR @@ -290,7 +288,6 @@ struct omap_sr_data { u32 senn_avgweight; u32 senp_avgweight; int nvalue_count; - bool enable_on_init; struct omap_sr_nvalue_table *nvalue_table; struct voltagedomain *voltdm; }; diff --git a/include/linux/printk.h b/include/linux/printk.h index 8c81806c2e99..8ef499ab3c1e 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -44,8 +44,6 @@ static inline const char *printk_skip_headers(const char *buffer) return buffer; } -#define CONSOLE_EXT_LOG_MAX 8192 - /* printk's without a loglevel use this.. */ #define MESSAGE_LOGLEVEL_DEFAULT CONFIG_MESSAGE_LOGLEVEL_DEFAULT diff --git a/include/linux/property.h b/include/linux/property.h index 37179e3abad5..0a29db15ff34 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -436,9 +436,9 @@ fwnode_graph_get_endpoint_by_id(const struct fwnode_handle *fwnode, unsigned int fwnode_graph_get_endpoint_count(struct fwnode_handle *fwnode, unsigned long flags); -#define fwnode_graph_for_each_endpoint(fwnode, child) \ - for (child = NULL; \ - (child = fwnode_graph_get_next_endpoint(fwnode, child)); ) +#define fwnode_graph_for_each_endpoint(fwnode, child) \ + for (child = fwnode_graph_get_next_endpoint(fwnode, NULL); child; \ + child = fwnode_graph_get_next_endpoint(fwnode, child)) int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, struct fwnode_endpoint *endpoint); @@ -486,9 +486,6 @@ const struct software_node * software_node_find_by_name(const struct software_node *parent, const char *name); -int software_node_register_nodes(const struct software_node *nodes); -void software_node_unregister_nodes(const struct software_node *nodes); - int software_node_register_node_group(const struct software_node **node_group); void software_node_unregister_node_group(const struct software_node **node_group); diff --git a/include/linux/ptp_classify.h b/include/linux/ptp_classify.h index 2b6ea36ad162..1b5a953c6bbc 100644 --- a/include/linux/ptp_classify.h +++ b/include/linux/ptp_classify.h @@ -10,8 +10,12 @@ #ifndef _PTP_CLASSIFY_H_ #define _PTP_CLASSIFY_H_ +#include <asm/unaligned.h> #include <linux/ip.h> +#include <linux/ktime.h> #include <linux/skbuff.h> +#include <linux/udp.h> +#include <net/checksum.h> #define PTP_CLASS_NONE 0x00 /* not a PTP event message */ #define PTP_CLASS_V1 0x01 /* protocol version 1 */ @@ -130,6 +134,69 @@ static inline u8 ptp_get_msgtype(const struct ptp_header *hdr, } /** + * ptp_check_diff8 - Computes new checksum (when altering a 64-bit field) + * @old: old field value + * @new: new field value + * @oldsum: previous checksum + * + * This function can be used to calculate a new checksum when only a single + * field is changed. Similar as ip_vs_check_diff*() in ip_vs.h. + * + * Return: Updated checksum + */ +static inline __wsum ptp_check_diff8(__be64 old, __be64 new, __wsum oldsum) +{ + __be64 diff[2] = { ~old, new }; + + return csum_partial(diff, sizeof(diff), oldsum); +} + +/** + * ptp_header_update_correction - Update PTP header's correction field + * @skb: packet buffer + * @type: type of the packet (see ptp_classify_raw()) + * @hdr: ptp header + * @correction: new correction value + * + * This updates the correction field of a PTP header and updates the UDP + * checksum (if UDP is used as transport). It is needed for hardware capable of + * one-step P2P that does not already modify the correction field of Pdelay_Req + * event messages on ingress. + */ +static inline +void ptp_header_update_correction(struct sk_buff *skb, unsigned int type, + struct ptp_header *hdr, s64 correction) +{ + __be64 correction_old; + struct udphdr *uhdr; + + /* previous correction value is required for checksum update. */ + memcpy(&correction_old, &hdr->correction, sizeof(correction_old)); + + /* write new correction value */ + put_unaligned_be64((u64)correction, &hdr->correction); + + switch (type & PTP_CLASS_PMASK) { + case PTP_CLASS_IPV4: + case PTP_CLASS_IPV6: + /* locate udp header */ + uhdr = (struct udphdr *)((char *)hdr - sizeof(struct udphdr)); + break; + default: + return; + } + + /* update checksum */ + uhdr->check = csum_fold(ptp_check_diff8(correction_old, + hdr->correction, + ~csum_unfold(uhdr->check))); + if (!uhdr->check) + uhdr->check = CSUM_MANGLED_0; + + skb->ip_summed = CHECKSUM_NONE; +} + +/** * ptp_msg_is_sync - Evaluates whether the given skb is a PTP Sync message * @skb: packet buffer * @type: type of the packet (see ptp_classify_raw()) @@ -166,5 +233,11 @@ static inline bool ptp_msg_is_sync(struct sk_buff *skb, unsigned int type) { return false; } + +static inline +void ptp_header_update_correction(struct sk_buff *skb, unsigned int type, + struct ptp_header *hdr, s64 correction) +{ +} #endif #endif /* _PTP_CLASSIFY_H_ */ diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 161e91167b9c..7b7b93b6fb81 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -440,13 +440,6 @@ static inline int pwm_config(struct pwm_device *pwm, int duty_ns, return -EINVAL; } -static inline int pwm_capture(struct pwm_device *pwm, - struct pwm_capture *result, - unsigned long timeout) -{ - return -EINVAL; -} - static inline int pwm_enable(struct pwm_device *pwm) { might_sleep(); @@ -458,6 +451,13 @@ static inline void pwm_disable(struct pwm_device *pwm) might_sleep(); } +static inline int pwm_capture(struct pwm_device *pwm, + struct pwm_capture *result, + unsigned long timeout) +{ + return -EINVAL; +} + static inline int pwm_set_chip_data(struct pwm_device *pwm, void *data) { return -EINVAL; diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h index 06086cb93b6f..cdd2ac366bc7 100644 --- a/include/linux/pwm_backlight.h +++ b/include/linux/pwm_backlight.h @@ -8,7 +8,6 @@ #include <linux/backlight.h> struct platform_pwm_backlight_data { - int pwm_id; unsigned int max_brightness; unsigned int dft_brightness; unsigned int lth_brightness; diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index 0d8625d71733..11a4becff3a9 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -20,12 +20,12 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb) } /* i_mutex must being held */ -static inline bool is_quota_modification(struct user_namespace *mnt_userns, +static inline bool is_quota_modification(struct mnt_idmap *idmap, struct inode *inode, struct iattr *ia) { return ((ia->ia_valid & ATTR_SIZE) || - i_uid_needs_update(mnt_userns, ia, inode) || - i_gid_needs_update(mnt_userns, ia, inode)); + i_uid_needs_update(idmap, ia, inode) || + i_gid_needs_update(idmap, ia, inode)); } #if defined(CONFIG_QUOTA) @@ -116,7 +116,7 @@ int dquot_set_dqblk(struct super_block *sb, struct kqid id, struct qc_dqblk *di); int __dquot_transfer(struct inode *inode, struct dquot **transfer_to); -int dquot_transfer(struct user_namespace *mnt_userns, struct inode *inode, +int dquot_transfer(struct mnt_idmap *idmap, struct inode *inode, struct iattr *iattr); static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type) @@ -236,7 +236,7 @@ static inline void dquot_free_inode(struct inode *inode) { } -static inline int dquot_transfer(struct user_namespace *mnt_userns, +static inline int dquot_transfer(struct mnt_idmap *idmap, struct inode *inode, struct iattr *iattr) { return 0; diff --git a/include/linux/range.h b/include/linux/range.h index 274681cc3154..7efb6a9b069b 100644 --- a/include/linux/range.h +++ b/include/linux/range.h @@ -13,6 +13,11 @@ static inline u64 range_len(const struct range *range) return range->end - range->start + 1; } +static inline bool range_contains(struct range *r1, struct range *r2) +{ + return r1->start <= r2->start && r1->end >= r2->end; +} + int add_range(struct range *range, int az, int nr_range, u64 start, u64 end); diff --git a/include/linux/rculist_nulls.h b/include/linux/rculist_nulls.h index d8afdb8784c1..ba4c00dd8005 100644 --- a/include/linux/rculist_nulls.h +++ b/include/linux/rculist_nulls.h @@ -139,7 +139,7 @@ static inline void hlist_nulls_add_tail_rcu(struct hlist_nulls_node *n, if (last) { n->next = last->next; n->pprev = &last->next; - rcu_assign_pointer(hlist_next_rcu(last), n); + rcu_assign_pointer(hlist_nulls_next_rcu(last), n); } else { hlist_nulls_add_head_rcu(n, h); } diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 03abf883a281..094321c17e48 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -238,6 +238,7 @@ void synchronize_rcu_tasks_rude(void); #define rcu_note_voluntary_context_switch(t) rcu_tasks_qs(t, false) void exit_tasks_rcu_start(void); +void exit_tasks_rcu_stop(void); void exit_tasks_rcu_finish(void); #else /* #ifdef CONFIG_TASKS_RCU_GENERIC */ #define rcu_tasks_classic_qs(t, preempt) do { } while (0) @@ -246,6 +247,7 @@ void exit_tasks_rcu_finish(void); #define call_rcu_tasks call_rcu #define synchronize_rcu_tasks synchronize_rcu static inline void exit_tasks_rcu_start(void) { } +static inline void exit_tasks_rcu_stop(void) { } static inline void exit_tasks_rcu_finish(void) { } #endif /* #else #ifdef CONFIG_TASKS_RCU_GENERIC */ @@ -374,11 +376,18 @@ static inline int debug_lockdep_rcu_enabled(void) * RCU_LOCKDEP_WARN - emit lockdep splat if specified condition is met * @c: condition to check * @s: informative message + * + * This checks debug_lockdep_rcu_enabled() before checking (c) to + * prevent early boot splats due to lockdep not yet being initialized, + * and rechecks it after checking (c) to prevent false-positive splats + * due to races with lockdep being disabled. See commit 3066820034b5dd + * ("rcu: Reject RCU_LOCKDEP_WARN() false positives") for more detail. */ #define RCU_LOCKDEP_WARN(c, s) \ do { \ static bool __section(".data.unlikely") __warned; \ - if ((c) && debug_lockdep_rcu_enabled() && !__warned) { \ + if (debug_lockdep_rcu_enabled() && (c) && \ + debug_lockdep_rcu_enabled() && !__warned) { \ __warned = true; \ lockdep_rcu_suspicious(__FILE__, __LINE__, s); \ } \ @@ -1004,6 +1013,9 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) #define kvfree_rcu(...) KVFREE_GET_MACRO(__VA_ARGS__, \ kvfree_rcu_arg_2, kvfree_rcu_arg_1)(__VA_ARGS__) +#define kvfree_rcu_mightsleep(ptr) kvfree_rcu_arg_1(ptr) +#define kfree_rcu_mightsleep(ptr) kvfree_rcu_mightsleep(ptr) + #define KVFREE_GET_MACRO(_1, _2, NAME, ...) NAME #define kvfree_rcu_arg_2(ptr, rhf) \ do { \ @@ -1011,8 +1023,7 @@ do { \ \ if (___p) { \ BUILD_BUG_ON(!__is_kvfree_rcu_offset(offsetof(typeof(*(ptr)), rhf))); \ - kvfree_call_rcu(&((___p)->rhf), (rcu_callback_t)(unsigned long) \ - (offsetof(typeof(*(ptr)), rhf))); \ + kvfree_call_rcu(&((___p)->rhf), (void *) (___p)); \ } \ } while (0) @@ -1021,7 +1032,7 @@ do { \ typeof(ptr) ___p = (ptr); \ \ if (___p) \ - kvfree_call_rcu(NULL, (rcu_callback_t) (___p)); \ + kvfree_call_rcu(NULL, (void *) (___p)); \ } while (0) /* diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 68f9070aa111..7f17acf29dda 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -98,25 +98,25 @@ static inline void synchronize_rcu_expedited(void) */ extern void kvfree(const void *addr); -static inline void __kvfree_call_rcu(struct rcu_head *head, rcu_callback_t func) +static inline void __kvfree_call_rcu(struct rcu_head *head, void *ptr) { if (head) { - call_rcu(head, func); + call_rcu(head, (rcu_callback_t) ((void *) head - ptr)); return; } // kvfree_rcu(one_arg) call. might_sleep(); synchronize_rcu(); - kvfree((void *) func); + kvfree(ptr); } #ifdef CONFIG_KASAN_GENERIC -void kvfree_call_rcu(struct rcu_head *head, rcu_callback_t func); +void kvfree_call_rcu(struct rcu_head *head, void *ptr); #else -static inline void kvfree_call_rcu(struct rcu_head *head, rcu_callback_t func) +static inline void kvfree_call_rcu(struct rcu_head *head, void *ptr) { - __kvfree_call_rcu(head, func); + __kvfree_call_rcu(head, ptr); } #endif diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 4003bf6cfa1c..56bccb5a8fde 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -33,7 +33,7 @@ static inline void rcu_virt_note_context_switch(void) } void synchronize_rcu_expedited(void); -void kvfree_call_rcu(struct rcu_head *head, rcu_callback_t func); +void kvfree_call_rcu(struct rcu_head *head, void *ptr); void rcu_barrier(void); bool rcu_eqs_special_set(int cpu); diff --git a/include/linux/regmap.h b/include/linux/regmap.h index a3bc695bcca0..4d10790adeb0 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -38,6 +38,14 @@ struct regmap_field; struct snd_ac97; struct sdw_slave; +/* + * regmap_mdio address encoding. IEEE 802.3ae clause 45 addresses consist of a + * device address and a register address. + */ +#define REGMAP_MDIO_C45_DEVAD_SHIFT 16 +#define REGMAP_MDIO_C45_DEVAD_MASK GENMASK(20, 16) +#define REGMAP_MDIO_C45_REGNUM_MASK GENMASK(15, 0) + /* An enum of all the supported cache types */ enum regcache_type { REGCACHE_NONE, @@ -512,6 +520,7 @@ typedef void (*regmap_hw_free_context)(void *context); * to perform locking. This field is ignored if custom lock/unlock * functions are used (see fields lock/unlock of * struct regmap_config). + * @free_on_exit: kfree this on exit of regmap * @write: Write operation. * @gather_write: Write operation with split register/value, return -ENOTSUPP * if not implemented on a given device. @@ -540,10 +549,10 @@ typedef void (*regmap_hw_free_context)(void *context); * DEFAULT, BIG is assumed. * @max_raw_read: Max raw read size that can be used on the bus. * @max_raw_write: Max raw write size that can be used on the bus. - * @free_on_exit: kfree this on exit of regmap */ struct regmap_bus { bool fast_io; + bool free_on_exit; regmap_hw_write write; regmap_hw_gather_write gather_write; regmap_hw_async_write async_write; @@ -560,7 +569,6 @@ struct regmap_bus { enum regmap_endian val_format_endian_default; size_t max_raw_read; size_t max_raw_write; - bool free_on_exit; }; /* @@ -1532,9 +1540,6 @@ struct regmap_irq_chip_data; * @config_base: Base address for IRQ type config regs. If null unsupported. * @irq_reg_stride: Stride to use for chips where registers are not contiguous. * @init_ack_masked: Ack all masked interrupts once during initalization. - * @mask_invert: Inverted mask register: cleared bits are masked out. - * Deprecated; prefer describing an inverted mask register as - * an unmask register. * @mask_unmask_non_inverted: Controls mask bit inversion for chips that set * both @mask_base and @unmask_base. If false, mask and unmask bits are * inverted (which is deprecated behavior); if true, bits will not be @@ -1547,8 +1552,6 @@ struct regmap_irq_chip_data; * @ack_invert: Inverted ack register: cleared bits for ack. * @clear_ack: Use this to set 1 and 0 or vice-versa to clear interrupts. * @wake_invert: Inverted wake register: cleared bits are wake enabled. - * @type_invert: Invert the type flags. Deprecated, use config registers - * instead. * @type_in_mask: Use the mask registers for controlling irq type. Use this if * the hardware provides separate bits for rising/falling edge * or low/high level interrupts and they should be combined into @@ -1618,14 +1621,12 @@ struct regmap_irq_chip { const unsigned int *config_base; unsigned int irq_reg_stride; unsigned int init_ack_masked:1; - unsigned int mask_invert:1; unsigned int mask_unmask_non_inverted:1; unsigned int use_ack:1; unsigned int ack_invert:1; unsigned int clear_ack:1; unsigned int wake_invert:1; unsigned int runtime_pm:1; - unsigned int type_invert:1; unsigned int type_in_mask:1; unsigned int clear_on_unmask:1; unsigned int not_fixed_stride:1; diff --git a/include/linux/remoteproc/pruss.h b/include/linux/remoteproc/pruss.h new file mode 100644 index 000000000000..039b50d58df2 --- /dev/null +++ b/include/linux/remoteproc/pruss.h @@ -0,0 +1,83 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * PRU-ICSS Subsystem user interfaces + * + * Copyright (C) 2015-2022 Texas Instruments Incorporated - http://www.ti.com + * Suman Anna <s-anna@ti.com> + */ + +#ifndef __LINUX_PRUSS_H +#define __LINUX_PRUSS_H + +#include <linux/device.h> +#include <linux/types.h> + +#define PRU_RPROC_DRVNAME "pru-rproc" + +/** + * enum pruss_pru_id - PRU core identifiers + * @PRUSS_PRU0: PRU Core 0. + * @PRUSS_PRU1: PRU Core 1. + * @PRUSS_NUM_PRUS: Total number of PRU Cores available. + * + */ + +enum pruss_pru_id { + PRUSS_PRU0 = 0, + PRUSS_PRU1, + PRUSS_NUM_PRUS, +}; + +/* + * enum pru_ctable_idx - Configurable Constant table index identifiers + */ +enum pru_ctable_idx { + PRU_C24 = 0, + PRU_C25, + PRU_C26, + PRU_C27, + PRU_C28, + PRU_C29, + PRU_C30, + PRU_C31, +}; + +struct device_node; +struct rproc; + +#if IS_ENABLED(CONFIG_PRU_REMOTEPROC) + +struct rproc *pru_rproc_get(struct device_node *np, int index, + enum pruss_pru_id *pru_id); +void pru_rproc_put(struct rproc *rproc); +int pru_rproc_set_ctable(struct rproc *rproc, enum pru_ctable_idx c, u32 addr); + +#else + +static inline struct rproc * +pru_rproc_get(struct device_node *np, int index, enum pruss_pru_id *pru_id) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline void pru_rproc_put(struct rproc *rproc) { } + +static inline int pru_rproc_set_ctable(struct rproc *rproc, + enum pru_ctable_idx c, u32 addr) +{ + return -EOPNOTSUPP; +} + +#endif /* CONFIG_PRU_REMOTEPROC */ + +static inline bool is_pru_rproc(struct device *dev) +{ + const char *drv_name = dev_driver_string(dev); + + if (strncmp(drv_name, PRU_RPROC_DRVNAME, sizeof(PRU_RPROC_DRVNAME))) + return false; + + return true; +} + +#endif /* __LINUX_PRUSS_H */ diff --git a/include/linux/resctrl.h b/include/linux/resctrl.h index 0cee154abc9f..8334eeacfec5 100644 --- a/include/linux/resctrl.h +++ b/include/linux/resctrl.h @@ -250,6 +250,17 @@ int resctrl_arch_rmid_read(struct rdt_resource *r, struct rdt_domain *d, void resctrl_arch_reset_rmid(struct rdt_resource *r, struct rdt_domain *d, u32 rmid, enum resctrl_event_id eventid); +/** + * resctrl_arch_reset_rmid_all() - Reset all private state associated with + * all rmids and eventids. + * @r: The resctrl resource. + * @d: The domain for which all architectural counter state will + * be cleared. + * + * This can be called from any CPU. + */ +void resctrl_arch_reset_rmid_all(struct rdt_resource *r, struct rdt_domain *d); + extern unsigned int resctrl_rmid_realloc_threshold; extern unsigned int resctrl_rmid_realloc_limit; diff --git a/include/linux/rmap.h b/include/linux/rmap.h index bd3504d11b15..b87d01660412 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -94,7 +94,7 @@ enum ttu_flags { TTU_SPLIT_HUGE_PMD = 0x4, /* split huge PMD if any */ TTU_IGNORE_MLOCK = 0x8, /* ignore mlock */ TTU_SYNC = 0x10, /* avoid racy checks with PVMW_SYNC */ - TTU_IGNORE_HWPOISON = 0x20, /* corrupted page is recoverable */ + TTU_HWPOISON = 0x20, /* do convert pte to hwpoison entry */ TTU_BATCH_FLUSH = 0x40, /* Batch TLB flushes where possible * and caller guarantees they will * do a final flush if necessary */ @@ -194,6 +194,8 @@ void page_add_anon_rmap(struct page *, struct vm_area_struct *, unsigned long address, rmap_t flags); void page_add_new_anon_rmap(struct page *, struct vm_area_struct *, unsigned long address); +void folio_add_new_anon_rmap(struct folio *, struct vm_area_struct *, + unsigned long address); void page_add_file_rmap(struct page *, struct vm_area_struct *, bool compound); void page_remove_rmap(struct page *, struct vm_area_struct *, @@ -201,12 +203,19 @@ void page_remove_rmap(struct page *, struct vm_area_struct *, void hugepage_add_anon_rmap(struct page *, struct vm_area_struct *, unsigned long address, rmap_t flags); -void hugepage_add_new_anon_rmap(struct page *, struct vm_area_struct *, +void hugepage_add_new_anon_rmap(struct folio *, struct vm_area_struct *, unsigned long address); static inline void __page_dup_rmap(struct page *page, bool compound) { - atomic_inc(compound ? compound_mapcount_ptr(page) : &page->_mapcount); + if (compound) { + struct folio *folio = (struct folio *)page; + + VM_BUG_ON_PAGE(compound && !PageHead(page), page); + atomic_inc(&folio->_entire_mapcount); + } else { + atomic_inc(&page->_mapcount); + } } static inline void page_dup_file_rmap(struct page *page, bool compound) diff --git a/include/linux/rpmsg/qcom_glink.h b/include/linux/rpmsg/qcom_glink.h index 22fc3a69b683..bfbd48f435fa 100644 --- a/include/linux/rpmsg/qcom_glink.h +++ b/include/linux/rpmsg/qcom_glink.h @@ -5,7 +5,7 @@ #include <linux/device.h> -struct qcom_glink; +struct qcom_glink_smem; #if IS_ENABLED(CONFIG_RPMSG_QCOM_GLINK) void qcom_glink_ssr_notify(const char *ssr_name); @@ -15,20 +15,20 @@ static inline void qcom_glink_ssr_notify(const char *ssr_name) {} #if IS_ENABLED(CONFIG_RPMSG_QCOM_GLINK_SMEM) -struct qcom_glink *qcom_glink_smem_register(struct device *parent, - struct device_node *node); -void qcom_glink_smem_unregister(struct qcom_glink *glink); +struct qcom_glink_smem *qcom_glink_smem_register(struct device *parent, + struct device_node *node); +void qcom_glink_smem_unregister(struct qcom_glink_smem *glink); #else -static inline struct qcom_glink * +static inline struct qcom_glink_smem * qcom_glink_smem_register(struct device *parent, struct device_node *node) { return NULL; } -static inline void qcom_glink_smem_unregister(struct qcom_glink *glink) {} +static inline void qcom_glink_smem_unregister(struct qcom_glink_smem *glink) {} #endif #endif diff --git a/include/linux/s3c_adc_battery.h b/include/linux/s3c_adc_battery.h deleted file mode 100644 index 57f982c375f8..000000000000 --- a/include/linux/s3c_adc_battery.h +++ /dev/null @@ -1,39 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _S3C_ADC_BATTERY_H -#define _S3C_ADC_BATTERY_H - -struct s3c_adc_bat_thresh { - int volt; /* mV */ - int cur; /* mA */ - int level; /* percent */ -}; - -struct s3c_adc_bat_pdata { - int (*init)(void); - void (*exit)(void); - void (*enable_charger)(void); - void (*disable_charger)(void); - - const struct s3c_adc_bat_thresh *lut_noac; - unsigned int lut_noac_cnt; - const struct s3c_adc_bat_thresh *lut_acin; - unsigned int lut_acin_cnt; - - const unsigned int volt_channel; - const unsigned int current_channel; - const unsigned int backup_volt_channel; - - const unsigned int volt_samples; - const unsigned int current_samples; - const unsigned int backup_volt_samples; - - const unsigned int volt_mult; - const unsigned int current_mult; - const unsigned int backup_volt_mult; - const unsigned int internal_impedance; - - const unsigned int backup_volt_max; - const unsigned int backup_volt_min; -}; - -#endif diff --git a/include/linux/sched.h b/include/linux/sched.h index 853d08f7562b..63d242164b1a 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1302,6 +1302,7 @@ struct task_struct { #ifdef CONFIG_RSEQ struct rseq __user *rseq; + u32 rseq_len; u32 rseq_sig; /* * RmW on rseq_event_mask must be performed atomically @@ -1310,6 +1311,11 @@ struct task_struct { unsigned long rseq_event_mask; #endif +#ifdef CONFIG_SCHED_MM_CID + int mm_cid; /* Current cid in mm */ + int mm_cid_active; /* Whether cid bitmap is active */ +#endif + struct tlbflush_unmap_batch tlb_ubc; union { @@ -1436,7 +1442,7 @@ struct task_struct { #endif #ifdef CONFIG_BLK_CGROUP - struct request_queue *throttle_queue; + struct gendisk *throttle_disk; #endif #ifdef CONFIG_UPROBES @@ -2352,10 +2358,12 @@ static inline void rseq_fork(struct task_struct *t, unsigned long clone_flags) { if (clone_flags & CLONE_VM) { t->rseq = NULL; + t->rseq_len = 0; t->rseq_sig = 0; t->rseq_event_mask = 0; } else { t->rseq = current->rseq; + t->rseq_len = current->rseq_len; t->rseq_sig = current->rseq_sig; t->rseq_event_mask = current->rseq_event_mask; } @@ -2364,6 +2372,7 @@ static inline void rseq_fork(struct task_struct *t, unsigned long clone_flags) static inline void rseq_execve(struct task_struct *t) { t->rseq = NULL; + t->rseq_len = 0; t->rseq_sig = 0; t->rseq_event_mask = 0; } diff --git a/include/linux/sched/clock.h b/include/linux/sched/clock.h index 867d588314e0..ca008f7d3615 100644 --- a/include/linux/sched/clock.h +++ b/include/linux/sched/clock.h @@ -45,7 +45,7 @@ static inline u64 cpu_clock(int cpu) return sched_clock(); } -static inline u64 local_clock(void) +static __always_inline u64 local_clock(void) { return sched_clock(); } @@ -79,10 +79,8 @@ static inline u64 cpu_clock(int cpu) return sched_clock_cpu(cpu); } -static inline u64 local_clock(void) -{ - return sched_clock_cpu(raw_smp_processor_id()); -} +extern u64 local_clock(void); + #endif #ifdef CONFIG_IRQ_TIME_ACCOUNTING diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h index 8270ad7ae14c..0e17ae7fbfd3 100644 --- a/include/linux/sched/coredump.h +++ b/include/linux/sched/coredump.h @@ -81,9 +81,13 @@ static inline int get_dumpable(struct mm_struct *mm) * lifecycle of this mm, just for simplicity. */ #define MMF_HAS_PINNED 27 /* FOLL_PIN has run, never cleared */ + +#define MMF_HAS_MDWE 28 +#define MMF_HAS_MDWE_MASK (1 << MMF_HAS_MDWE) + #define MMF_DISABLE_THP_MASK (1 << MMF_DISABLE_THP) #define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\ - MMF_DISABLE_THP_MASK) + MMF_DISABLE_THP_MASK | MMF_HAS_MDWE_MASK) #endif /* _LINUX_SCHED_COREDUMP_H */ diff --git a/include/linux/sched/cputime.h b/include/linux/sched/cputime.h index ce3c58286062..5f8fd5b24a2e 100644 --- a/include/linux/sched/cputime.h +++ b/include/linux/sched/cputime.h @@ -8,15 +8,6 @@ * cputime accounting APIs: */ -#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE -#include <asm/cputime.h> - -#ifndef cputime_to_nsecs -# define cputime_to_nsecs(__ct) \ - (cputime_to_usecs(__ct) * NSEC_PER_USEC) -#endif -#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */ - #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN extern bool task_cputime(struct task_struct *t, u64 *utime, u64 *stime); diff --git a/include/linux/sched/idle.h b/include/linux/sched/idle.h index d73d314d59c6..478084f9105e 100644 --- a/include/linux/sched/idle.h +++ b/include/linux/sched/idle.h @@ -23,12 +23,37 @@ static inline void wake_up_if_idle(int cpu) { } */ #ifdef TIF_POLLING_NRFLAG -static inline void __current_set_polling(void) +#ifdef _ASM_GENERIC_BITOPS_INSTRUMENTED_ATOMIC_H + +static __always_inline void __current_set_polling(void) { - set_thread_flag(TIF_POLLING_NRFLAG); + arch_set_bit(TIF_POLLING_NRFLAG, + (unsigned long *)(¤t_thread_info()->flags)); } -static inline bool __must_check current_set_polling_and_test(void) +static __always_inline void __current_clr_polling(void) +{ + arch_clear_bit(TIF_POLLING_NRFLAG, + (unsigned long *)(¤t_thread_info()->flags)); +} + +#else + +static __always_inline void __current_set_polling(void) +{ + set_bit(TIF_POLLING_NRFLAG, + (unsigned long *)(¤t_thread_info()->flags)); +} + +static __always_inline void __current_clr_polling(void) +{ + clear_bit(TIF_POLLING_NRFLAG, + (unsigned long *)(¤t_thread_info()->flags)); +} + +#endif /* _ASM_GENERIC_BITOPS_INSTRUMENTED_ATOMIC_H */ + +static __always_inline bool __must_check current_set_polling_and_test(void) { __current_set_polling(); @@ -41,12 +66,7 @@ static inline bool __must_check current_set_polling_and_test(void) return unlikely(tif_need_resched()); } -static inline void __current_clr_polling(void) -{ - clear_thread_flag(TIF_POLLING_NRFLAG); -} - -static inline bool __must_check current_clr_polling_and_test(void) +static __always_inline bool __must_check current_clr_polling_and_test(void) { __current_clr_polling(); @@ -73,7 +93,7 @@ static inline bool __must_check current_clr_polling_and_test(void) } #endif -static inline void current_clr_polling(void) +static __always_inline void current_clr_polling(void) { __current_clr_polling(); diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 4f765bc788ff..0ce5746a4470 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -804,11 +804,6 @@ struct scmi_device { #define to_scmi_dev(d) container_of(d, struct scmi_device, dev) -struct scmi_device * -scmi_device_create(struct device_node *np, struct device *parent, int protocol, - const char *name); -void scmi_device_destroy(struct scmi_device *scmi_dev); - struct scmi_device_id { u8 protocol_id; const char *name; diff --git a/include/linux/security.h b/include/linux/security.h index 5b67f208f7de..5984d0d550b4 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -153,12 +153,11 @@ extern int cap_capset(struct cred *new, const struct cred *old, extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file); int cap_inode_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); -int cap_inode_removexattr(struct user_namespace *mnt_userns, +int cap_inode_removexattr(struct mnt_idmap *idmap, struct dentry *dentry, const char *name); int cap_inode_need_killpriv(struct dentry *dentry); -int cap_inode_killpriv(struct user_namespace *mnt_userns, - struct dentry *dentry); -int cap_inode_getsecurity(struct user_namespace *mnt_userns, +int cap_inode_killpriv(struct mnt_idmap *idmap, struct dentry *dentry); +int cap_inode_getsecurity(struct mnt_idmap *idmap, struct inode *inode, const char *name, void **buffer, bool alloc); extern int cap_mmap_addr(unsigned long addr); @@ -356,29 +355,28 @@ int security_inode_readlink(struct dentry *dentry); int security_inode_follow_link(struct dentry *dentry, struct inode *inode, bool rcu); int security_inode_permission(struct inode *inode, int mask); -int security_inode_setattr(struct user_namespace *mnt_userns, +int security_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr); int security_inode_getattr(const struct path *path); -int security_inode_setxattr(struct user_namespace *mnt_userns, +int security_inode_setxattr(struct mnt_idmap *idmap, struct dentry *dentry, const char *name, const void *value, size_t size, int flags); -int security_inode_set_acl(struct user_namespace *mnt_userns, +int security_inode_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name, struct posix_acl *kacl); -int security_inode_get_acl(struct user_namespace *mnt_userns, +int security_inode_get_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name); -int security_inode_remove_acl(struct user_namespace *mnt_userns, +int security_inode_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name); void security_inode_post_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); int security_inode_getxattr(struct dentry *dentry, const char *name); int security_inode_listxattr(struct dentry *dentry); -int security_inode_removexattr(struct user_namespace *mnt_userns, +int security_inode_removexattr(struct mnt_idmap *idmap, struct dentry *dentry, const char *name); int security_inode_need_killpriv(struct dentry *dentry); -int security_inode_killpriv(struct user_namespace *mnt_userns, - struct dentry *dentry); -int security_inode_getsecurity(struct user_namespace *mnt_userns, +int security_inode_killpriv(struct mnt_idmap *idmap, struct dentry *dentry); +int security_inode_getsecurity(struct mnt_idmap *idmap, struct inode *inode, const char *name, void **buffer, bool alloc); int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags); @@ -862,7 +860,7 @@ static inline int security_inode_permission(struct inode *inode, int mask) return 0; } -static inline int security_inode_setattr(struct user_namespace *mnt_userns, +static inline int security_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr) { @@ -874,14 +872,14 @@ static inline int security_inode_getattr(const struct path *path) return 0; } -static inline int security_inode_setxattr(struct user_namespace *mnt_userns, +static inline int security_inode_setxattr(struct mnt_idmap *idmap, struct dentry *dentry, const char *name, const void *value, size_t size, int flags) { return cap_inode_setxattr(dentry, name, value, size, flags); } -static inline int security_inode_set_acl(struct user_namespace *mnt_userns, +static inline int security_inode_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name, struct posix_acl *kacl) @@ -889,14 +887,14 @@ static inline int security_inode_set_acl(struct user_namespace *mnt_userns, return 0; } -static inline int security_inode_get_acl(struct user_namespace *mnt_userns, +static inline int security_inode_get_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { return 0; } -static inline int security_inode_remove_acl(struct user_namespace *mnt_userns, +static inline int security_inode_remove_acl(struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) { @@ -918,11 +916,11 @@ static inline int security_inode_listxattr(struct dentry *dentry) return 0; } -static inline int security_inode_removexattr(struct user_namespace *mnt_userns, +static inline int security_inode_removexattr(struct mnt_idmap *idmap, struct dentry *dentry, const char *name) { - return cap_inode_removexattr(mnt_userns, dentry, name); + return cap_inode_removexattr(idmap, dentry, name); } static inline int security_inode_need_killpriv(struct dentry *dentry) @@ -930,18 +928,18 @@ static inline int security_inode_need_killpriv(struct dentry *dentry) return cap_inode_need_killpriv(dentry); } -static inline int security_inode_killpriv(struct user_namespace *mnt_userns, +static inline int security_inode_killpriv(struct mnt_idmap *idmap, struct dentry *dentry) { - return cap_inode_killpriv(mnt_userns, dentry); + return cap_inode_killpriv(idmap, dentry); } -static inline int security_inode_getsecurity(struct user_namespace *mnt_userns, +static inline int security_inode_getsecurity(struct mnt_idmap *idmap, struct inode *inode, const char *name, void **buffer, bool alloc) { - return cap_inode_getsecurity(mnt_userns, inode, name, buffer, alloc); + return cap_inode_getsecurity(idmap, inode, name, buffer, alloc); } static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) diff --git a/include/linux/serial.h b/include/linux/serial.h index 3d6fe3ef92cf..bfda927dde15 100644 --- a/include/linux/serial.h +++ b/include/linux/serial.h @@ -12,6 +12,11 @@ #include <uapi/linux/serial.h> #include <uapi/linux/serial_reg.h> +#define UART_IER_ALL_INTR (UART_IER_MSI | \ + UART_IER_RLSI | \ + UART_IER_THRI | \ + UART_IER_RDI) + /* Helper for dealing with UART_LCR_WLEN* defines */ #define UART_LCR_WLEN(x) ((x) - 5) @@ -23,6 +28,11 @@ static inline bool uart_lsr_tx_empty(u16 lsr) return (lsr & UART_LSR_BOTH_EMPTY) == UART_LSR_BOTH_EMPTY; } +#define UART_MSR_STATUS_BITS (UART_MSR_DCD | \ + UART_MSR_RI | \ + UART_MSR_DSR | \ + UART_MSR_CTS) + /* * Counters of the input lines (CTS, DSR, RI, CD) interrupts */ diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index fd59f600094a..9e3e5e0d11b2 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -579,6 +579,7 @@ struct uart_port { struct serial_rs485 rs485; struct serial_rs485 rs485_supported; /* Supported mask for serial_rs485 */ struct gpio_desc *rs485_term_gpio; /* enable RS485 bus termination */ + struct gpio_desc *rs485_rx_during_tx_gpio; /* Output GPIO that sets the state of RS485 RX during TX */ struct serial_iso7816 iso7816; void *private_data; /* generic platform data pointer */ }; @@ -781,7 +782,7 @@ static inline int uart_poll_timeout(struct uart_port *port) struct earlycon_device { struct console *con; struct uart_port port; - char options[16]; /* e.g., 115200n8 */ + char options[32]; /* e.g., 115200n8 */ unsigned int baud; }; @@ -896,10 +897,8 @@ static inline bool uart_softcts_mode(struct uart_port *uport) * The following are helper functions for the low level drivers. */ -extern void uart_handle_dcd_change(struct uart_port *uport, - unsigned int status); -extern void uart_handle_cts_change(struct uart_port *uport, - unsigned int status); +extern void uart_handle_dcd_change(struct uart_port *uport, bool active); +extern void uart_handle_cts_change(struct uart_port *uport, bool active); extern void uart_insert_char(struct uart_port *port, unsigned int status, unsigned int overrun, unsigned int ch, unsigned int flag); diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h index c255273b0281..37ad81058d6a 100644 --- a/include/linux/sh_intc.h +++ b/include/linux/sh_intc.h @@ -97,7 +97,10 @@ struct intc_hw_desc { unsigned int nr_subgroups; }; -#define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(*a) +#define _INTC_SIZEOF_OR_ZERO(a) (_Generic(a, \ + typeof(NULL): 0, \ + default: sizeof(a))) +#define _INTC_ARRAY(a) a, _INTC_SIZEOF_OR_ZERO(a)/sizeof(*a) #define INTC_HW_DESC(vectors, groups, mask_regs, \ prio_regs, sense_regs, ack_regs) \ diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h index d500ea967dc7..103d1000a5a2 100644 --- a/include/linux/shmem_fs.h +++ b/include/linux/shmem_fs.h @@ -92,14 +92,8 @@ extern struct page *shmem_read_mapping_page_gfp(struct address_space *mapping, extern void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end); int shmem_unuse(unsigned int type); -extern bool shmem_is_huge(struct vm_area_struct *vma, struct inode *inode, - pgoff_t index, bool shmem_huge_force); -static inline bool shmem_huge_enabled(struct vm_area_struct *vma, - bool shmem_huge_force) -{ - return shmem_is_huge(vma, file_inode(vma->vm_file), vma->vm_pgoff, - shmem_huge_force); -} +extern bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force, + struct mm_struct *mm, unsigned long vm_flags); extern unsigned long shmem_swap_usage(struct vm_area_struct *vma); extern unsigned long shmem_partial_swap_usage(struct address_space *mapping, pgoff_t start, pgoff_t end); @@ -115,6 +109,14 @@ enum sgp_type { int shmem_get_folio(struct inode *inode, pgoff_t index, struct folio **foliop, enum sgp_type sgp); +struct folio *shmem_read_folio_gfp(struct address_space *mapping, + pgoff_t index, gfp_t gfp); + +static inline struct folio *shmem_read_folio(struct address_space *mapping, + pgoff_t index) +{ + return shmem_read_folio_gfp(mapping, index, mapping_gfp_mask(mapping)); +} static inline struct page *shmem_read_mapping_page( struct address_space *mapping, pgoff_t index) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 4c8492401a10..ff7ad331fb82 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -23,17 +23,11 @@ #include <linux/atomic.h> #include <asm/types.h> #include <linux/spinlock.h> -#include <linux/net.h> -#include <linux/textsearch.h> #include <net/checksum.h> #include <linux/rcupdate.h> -#include <linux/hrtimer.h> #include <linux/dma-mapping.h> #include <linux/netdev_features.h> -#include <linux/sched.h> -#include <linux/sched/clock.h> #include <net/flow_dissector.h> -#include <linux/splice.h> #include <linux/in6.h> #include <linux/if_packet.h> #include <linux/llist.h> @@ -261,6 +255,14 @@ #define SKB_DATA_ALIGN(X) ALIGN(X, SMP_CACHE_BYTES) #define SKB_WITH_OVERHEAD(X) \ ((X) - SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) + +/* For X bytes available in skb->head, what is the minimal + * allocation needed, knowing struct skb_shared_info needs + * to be aligned. + */ +#define SKB_HEAD_ALIGN(X) (SKB_DATA_ALIGN(X) + \ + SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) + #define SKB_MAX_ORDER(X, ORDER) \ SKB_WITH_OVERHEAD((PAGE_SIZE << (ORDER)) - (X)) #define SKB_MAX_HEAD(X) (SKB_MAX_ORDER((X), 0)) @@ -280,6 +282,7 @@ struct napi_struct; struct bpf_prog; union bpf_attr; struct skb_ext; +struct ts_config; #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) struct nf_bridge_info { @@ -316,12 +319,16 @@ struct nf_bridge_info { * and read by ovs to recirc_id. */ struct tc_skb_ext { - __u32 chain; + union { + u64 act_miss_cookie; + __u32 chain; + }; __u16 mru; __u16 zone; u8 post_ct:1; u8 post_ct_snat:1; u8 post_ct_dnat:1; + u8 act_miss:1; /* Set if act_miss_cookie is used */ }; #endif @@ -1240,7 +1247,7 @@ static inline void consume_skb(struct sk_buff *skb) void __consume_stateless_skb(struct sk_buff *skb); void __kfree_skb(struct sk_buff *skb); -extern struct kmem_cache *skbuff_head_cache; +extern struct kmem_cache *skbuff_cache; void kfree_skb_partial(struct sk_buff *skb, bool head_stolen); bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from, @@ -1743,6 +1750,13 @@ static inline void skb_mark_not_on_list(struct sk_buff *skb) skb->next = NULL; } +static inline void skb_poison_list(struct sk_buff *skb) +{ +#ifdef CONFIG_DEBUG_NET + skb->next = SKB_LIST_POISON_NEXT; +#endif +} + /* Iterate through singly-linked GSO fragments of an skb. */ #define skb_list_walk_safe(first, skb, next_skb) \ for ((skb) = (first), (next_skb) = (skb) ? (skb)->next : NULL; (skb); \ @@ -2621,13 +2635,24 @@ void *skb_pull_data(struct sk_buff *skb, size_t len); void *__pskb_pull_tail(struct sk_buff *skb, int delta); -static inline bool pskb_may_pull(struct sk_buff *skb, unsigned int len) +static inline enum skb_drop_reason +pskb_may_pull_reason(struct sk_buff *skb, unsigned int len) { if (likely(len <= skb_headlen(skb))) - return true; + return SKB_NOT_DROPPED_YET; + if (unlikely(len > skb->len)) - return false; - return __pskb_pull_tail(skb, len - skb_headlen(skb)) != NULL; + return SKB_DROP_REASON_PKT_TOO_SMALL; + + if (unlikely(!__pskb_pull_tail(skb, len - skb_headlen(skb)))) + return SKB_DROP_REASON_NOMEM; + + return SKB_NOT_DROPPED_YET; +} + +static inline bool pskb_may_pull(struct sk_buff *skb, unsigned int len) +{ + return pskb_may_pull_reason(skb, len) == SKB_NOT_DROPPED_YET; } static inline void *pskb_pull(struct sk_buff *skb, unsigned int len) diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index 5834bad8ad78..a61e7d55d0d3 100644 --- a/include/linux/slab_def.h +++ b/include/linux/slab_def.h @@ -72,7 +72,7 @@ struct kmem_cache { int obj_offset; #endif /* CONFIG_DEBUG_SLAB */ -#ifdef CONFIG_KASAN +#ifdef CONFIG_KASAN_GENERIC struct kasan_cache kasan_info; #endif diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index aa0ee1678d29..f6df03f934e5 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -136,7 +136,7 @@ struct kmem_cache { unsigned int *random_seq; #endif -#ifdef CONFIG_KASAN +#ifdef CONFIG_KASAN_GENERIC struct kasan_cache kasan_info; #endif diff --git a/include/linux/soc/apple/rtkit.h b/include/linux/soc/apple/rtkit.h index c9cabb679cd1..fc456f75c131 100644 --- a/include/linux/soc/apple/rtkit.h +++ b/include/linux/soc/apple/rtkit.h @@ -22,6 +22,7 @@ * @size: Size of the shared memory buffer. * @iova: Device VA of shared memory buffer. * @is_mapped: Shared memory buffer is managed by the co-processor. + * @private: Private data pointer for the parent driver. */ struct apple_rtkit_shmem { @@ -30,6 +31,7 @@ struct apple_rtkit_shmem { size_t size; dma_addr_t iova; bool is_mapped; + void *private; }; /* @@ -78,6 +80,25 @@ struct apple_rtkit *devm_apple_rtkit_init(struct device *dev, void *cookie, const struct apple_rtkit_ops *ops); /* + * Non-devm version of devm_apple_rtkit_init. Must be freed with + * apple_rtkit_free. + * + * @dev: Pointer to the device node this coprocessor is assocated with + * @cookie: opaque cookie passed to all functions defined in rtkit_ops + * @mbox_name: mailbox name used to communicate with the co-processor + * @mbox_idx: mailbox index to be used if mbox_name is NULL + * @ops: pointer to rtkit_ops to be used for this co-processor + */ +struct apple_rtkit *apple_rtkit_init(struct device *dev, void *cookie, + const char *mbox_name, int mbox_idx, + const struct apple_rtkit_ops *ops); + +/* + * Free an instance of apple_rtkit. + */ +void apple_rtkit_free(struct apple_rtkit *rtk); + +/* * Reinitialize internal structures. Must only be called with the co-processor * is held in reset. */ @@ -105,6 +126,11 @@ int apple_rtkit_wake(struct apple_rtkit *rtk); int apple_rtkit_shutdown(struct apple_rtkit *rtk); /* + * Put the co-processor into idle mode + */ +int apple_rtkit_idle(struct apple_rtkit *rtk); + +/* * Checks if RTKit is running and ready to handle messages. */ bool apple_rtkit_is_running(struct apple_rtkit *rtk); diff --git a/include/linux/soc/mediatek/infracfg.h b/include/linux/soc/mediatek/infracfg.h index 50804ac748bd..07f67b3d8e97 100644 --- a/include/linux/soc/mediatek/infracfg.h +++ b/include/linux/soc/mediatek/infracfg.h @@ -140,6 +140,127 @@ #define MT8192_TOP_AXI_PROT_EN_MM_2_MDP_2ND BIT(13) #define MT8192_TOP_AXI_PROT_EN_VDNR_CAM BIT(21) +#define MT8188_TOP_AXI_PROT_EN_SET 0x2A0 +#define MT8188_TOP_AXI_PROT_EN_CLR 0x2A4 +#define MT8188_TOP_AXI_PROT_EN_STA 0x228 +#define MT8188_TOP_AXI_PROT_EN_1_SET 0x2A8 +#define MT8188_TOP_AXI_PROT_EN_1_CLR 0x2AC +#define MT8188_TOP_AXI_PROT_EN_1_STA 0x258 +#define MT8188_TOP_AXI_PROT_EN_2_SET 0x714 +#define MT8188_TOP_AXI_PROT_EN_2_CLR 0x718 +#define MT8188_TOP_AXI_PROT_EN_2_STA 0x724 + +#define MT8188_TOP_AXI_PROT_EN_MM_SET 0x2D4 +#define MT8188_TOP_AXI_PROT_EN_MM_CLR 0x2D8 +#define MT8188_TOP_AXI_PROT_EN_MM_STA 0x2EC +#define MT8188_TOP_AXI_PROT_EN_MM_2_SET 0xDCC +#define MT8188_TOP_AXI_PROT_EN_MM_2_CLR 0xDD0 +#define MT8188_TOP_AXI_PROT_EN_MM_2_STA 0xDD8 + +#define MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_SET 0xB84 +#define MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_CLR 0xB88 +#define MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_STA 0xB90 +#define MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET 0xBCC +#define MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR 0xBD0 +#define MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA 0xBD8 + +#define MT8188_TOP_AXI_PROT_EN_MFG1_STEP1 BIT(11) +#define MT8188_TOP_AXI_PROT_EN_2_MFG1_STEP2 BIT(7) +#define MT8188_TOP_AXI_PROT_EN_1_MFG1_STEP3 BIT(19) +#define MT8188_TOP_AXI_PROT_EN_2_MFG1_STEP4 BIT(5) +#define MT8188_TOP_AXI_PROT_EN_MFG1_STEP5 GENMASK(22, 21) +#define MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_MFG1_STEP6 BIT(17) + +#define MT8188_TOP_AXI_PROT_EN_PEXTP_MAC_P0_STEP1 BIT(2) +#define MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_PEXTP_MAC_P0_STEP2 (BIT(8) | BIT(18) | BIT(30)) +#define MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_ETHER_STEP1 BIT(24) +#define MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_HDMI_TX_STEP1 BIT(20) +#define MT8188_TOP_AXI_PROT_EN_2_ADSP_AO_STEP1 GENMASK(31, 29) +#define MT8188_TOP_AXI_PROT_EN_2_ADSP_AO_STEP2 (GENMASK(4, 3) | BIT(28)) +#define MT8188_TOP_AXI_PROT_EN_2_ADSP_INFRA_STEP1 (GENMASK(16, 14) | BIT(23) | \ + BIT(27)) +#define MT8188_TOP_AXI_PROT_EN_2_ADSP_INFRA_STEP2 (GENMASK(19, 17) | GENMASK(26, 25)) +#define MT8188_TOP_AXI_PROT_EN_2_ADSP_STEP1 GENMASK(11, 8) +#define MT8188_TOP_AXI_PROT_EN_2_ADSP_STEP2 GENMASK(22, 21) +#define MT8188_TOP_AXI_PROT_EN_2_AUDIO_STEP1 BIT(20) +#define MT8188_TOP_AXI_PROT_EN_2_AUDIO_STEP2 BIT(12) +#define MT8188_TOP_AXI_PROT_EN_2_AUDIO_ASRC_STEP1 BIT(24) +#define MT8188_TOP_AXI_PROT_EN_2_AUDIO_ASRC_STEP2 BIT(13) + +#define MT8188_TOP_AXI_PROT_EN_VPPSYS0_STEP1 BIT(10) +#define MT8188_TOP_AXI_PROT_EN_MM_2_VPPSYS0_STEP2 GENMASK(9, 8) +#define MT8188_TOP_AXI_PROT_EN_VPPSYS0_STEP3 BIT(23) +#define MT8188_TOP_AXI_PROT_EN_MM_2_VPPSYS0_STEP4 (BIT(1) | BIT(4) | BIT(11)) +#define MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VPPSYS0_STEP5 (BIT(20)) +#define MT8188_TOP_AXI_PROT_EN_MM_VDOSYS0_STEP1 (GENMASK(18, 17) | GENMASK(21, 20)) +#define MT8188_TOP_AXI_PROT_EN_VDOSYS0_STEP2 BIT(6) +#define MT8188_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_VDOSYS0_STEP3 BIT(21) +#define MT8188_TOP_AXI_PROT_EN_MM_VDOSYS1_STEP1 GENMASK(31, 30) +#define MT8188_TOP_AXI_PROT_EN_MM_VDOSYS1_STEP2 BIT(22) +#define MT8188_TOP_AXI_PROT_EN_MM_2_VDOSYS1_STEP3 BIT(10) +#define MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_DP_TX_STEP1 BIT(23) +#define MT8188_TOP_AXI_PROT_EN_INFRA_VDNR_EDP_TX_STEP1 BIT(22) + +#define MT8188_TOP_AXI_PROT_EN_MM_VPPSYS1_STEP1 GENMASK(6, 5) +#define MT8188_TOP_AXI_PROT_EN_MM_VPPSYS1_STEP2 BIT(23) +#define MT8188_TOP_AXI_PROT_EN_MM_2_VPPSYS1_STEP3 BIT(18) +#define MT8188_TOP_AXI_PROT_EN_MM_2_WPE_STEP1 BIT(23) +#define MT8188_TOP_AXI_PROT_EN_MM_2_WPE_STEP2 BIT(21) +#define MT8188_TOP_AXI_PROT_EN_MM_VDEC0_STEP1 BIT(13) +#define MT8188_TOP_AXI_PROT_EN_MM_2_VDEC0_STEP2 BIT(13) +#define MT8188_TOP_AXI_PROT_EN_MM_VDEC1_STEP1 BIT(14) +#define MT8188_TOP_AXI_PROT_EN_MM_VDEC1_STEP2 BIT(29) +#define MT8188_TOP_AXI_PROT_EN_MM_VENC_STEP1 (BIT(9) | BIT(11)) +#define MT8188_TOP_AXI_PROT_EN_MM_VENC_STEP2 BIT(26) +#define MT8188_TOP_AXI_PROT_EN_MM_2_VENC_STEP3 BIT(2) +#define MT8188_TOP_AXI_PROT_EN_MM_IMG_VCORE_STEP1 (BIT(1) | BIT(3)) +#define MT8188_TOP_AXI_PROT_EN_MM_IMG_VCORE_STEP2 BIT(25) +#define MT8188_TOP_AXI_PROT_EN_MM_2_IMG_VCORE_STEP3 BIT(16) +#define MT8188_TOP_AXI_PROT_EN_MM_2_IMG_MAIN_STEP1 GENMASK(27, 26) +#define MT8188_TOP_AXI_PROT_EN_MM_2_IMG_MAIN_STEP2 GENMASK(25, 24) +#define MT8188_TOP_AXI_PROT_EN_MM_CAM_VCORE_STEP1 (BIT(2) | BIT(4)) +#define MT8188_TOP_AXI_PROT_EN_2_CAM_VCORE_STEP2 BIT(0) +#define MT8188_TOP_AXI_PROT_EN_1_CAM_VCORE_STEP3 BIT(22) +#define MT8188_TOP_AXI_PROT_EN_MM_CAM_VCORE_STEP4 BIT(24) +#define MT8188_TOP_AXI_PROT_EN_MM_2_CAM_VCORE_STEP5 BIT(17) +#define MT8188_TOP_AXI_PROT_EN_MM_2_CAM_MAIN_STEP1 GENMASK(31, 30) +#define MT8188_TOP_AXI_PROT_EN_2_CAM_MAIN_STEP2 BIT(2) +#define MT8188_TOP_AXI_PROT_EN_MM_2_CAM_MAIN_STEP3 GENMASK(29, 28) +#define MT8188_TOP_AXI_PROT_EN_2_CAM_MAIN_STEP4 BIT(1) + +#define MT8188_SMI_COMMON_CLAMP_EN_STA 0x3C0 +#define MT8188_SMI_COMMON_CLAMP_EN_SET 0x3C4 +#define MT8188_SMI_COMMON_CLAMP_EN_CLR 0x3C8 + +#define MT8188_SMI_COMMON_SMI_CLAMP_DIP_TO_VDO0 GENMASK(3, 1) +#define MT8188_SMI_COMMON_SMI_CLAMP_DIP_TO_VPP1 GENMASK(2, 1) +#define MT8188_SMI_COMMON_SMI_CLAMP_IPE_TO_VPP1 BIT(0) + +#define MT8188_SMI_COMMON_SMI_CLAMP_CAM_SUBA_TO_VPP0 GENMASK(3, 2) +#define MT8188_SMI_COMMON_SMI_CLAMP_CAM_SUBB_TO_VDO0 GENMASK(3, 2) + +#define MT8188_SMI_LARB10_RESET_ADDR 0xC +#define MT8188_SMI_LARB11A_RESET_ADDR 0xC +#define MT8188_SMI_LARB11C_RESET_ADDR 0xC +#define MT8188_SMI_LARB12_RESET_ADDR 0xC +#define MT8188_SMI_LARB11B_RESET_ADDR 0xC +#define MT8188_SMI_LARB15_RESET_ADDR 0xC +#define MT8188_SMI_LARB16B_RESET_ADDR 0xA0 +#define MT8188_SMI_LARB17B_RESET_ADDR 0xA0 +#define MT8188_SMI_LARB16A_RESET_ADDR 0xA0 +#define MT8188_SMI_LARB17A_RESET_ADDR 0xA0 + +#define MT8188_SMI_LARB10_RESET BIT(0) +#define MT8188_SMI_LARB11A_RESET BIT(0) +#define MT8188_SMI_LARB11C_RESET BIT(0) +#define MT8188_SMI_LARB12_RESET BIT(8) +#define MT8188_SMI_LARB11B_RESET BIT(0) +#define MT8188_SMI_LARB15_RESET BIT(0) +#define MT8188_SMI_LARB16B_RESET BIT(4) +#define MT8188_SMI_LARB17B_RESET BIT(4) +#define MT8188_SMI_LARB16A_RESET BIT(4) +#define MT8188_SMI_LARB17A_RESET BIT(4) + #define MT8186_TOP_AXI_PROT_EN_SET (0x2A0) #define MT8186_TOP_AXI_PROT_EN_CLR (0x2A4) #define MT8186_TOP_AXI_PROT_EN_STA (0x228) diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h index b85f66db33e1..dc2963a0a0f7 100644 --- a/include/linux/soc/mediatek/mtk-mmsys.h +++ b/include/linux/soc/mediatek/mtk-mmsys.h @@ -6,6 +6,10 @@ #ifndef __MTK_MMSYS_H #define __MTK_MMSYS_H +#include <linux/mailbox_controller.h> +#include <linux/mailbox/mtk-cmdq-mailbox.h> +#include <linux/soc/mediatek/mtk-cmdq.h> + enum mtk_ddp_comp_id; struct device; @@ -36,7 +40,16 @@ enum mtk_ddp_comp_id { DDP_COMPONENT_DSI1, DDP_COMPONENT_DSI2, DDP_COMPONENT_DSI3, + DDP_COMPONENT_ETHDR_MIXER, DDP_COMPONENT_GAMMA, + DDP_COMPONENT_MDP_RDMA0, + DDP_COMPONENT_MDP_RDMA1, + DDP_COMPONENT_MDP_RDMA2, + DDP_COMPONENT_MDP_RDMA3, + DDP_COMPONENT_MDP_RDMA4, + DDP_COMPONENT_MDP_RDMA5, + DDP_COMPONENT_MDP_RDMA6, + DDP_COMPONENT_MDP_RDMA7, DDP_COMPONENT_MERGE0, DDP_COMPONENT_MERGE1, DDP_COMPONENT_MERGE2, @@ -74,4 +87,16 @@ void mtk_mmsys_ddp_disconnect(struct device *dev, void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val); +void mtk_mmsys_merge_async_config(struct device *dev, int idx, int width, + int height, struct cmdq_pkt *cmdq_pkt); + +void mtk_mmsys_hdr_config(struct device *dev, int be_width, int be_height, + struct cmdq_pkt *cmdq_pkt); + +void mtk_mmsys_mixer_in_config(struct device *dev, int idx, bool alpha_sel, u16 alpha, + u8 mode, u32 biwidth, struct cmdq_pkt *cmdq_pkt); + +void mtk_mmsys_mixer_in_channel_swap(struct device *dev, int idx, bool channel_swap, + struct cmdq_pkt *cmdq_pkt); + #endif /* __MTK_MMSYS_H */ diff --git a/include/linux/soc/mediatek/mtk_wed.h b/include/linux/soc/mediatek/mtk_wed.h index a0746d4aec20..fd0b0605cf90 100644 --- a/include/linux/soc/mediatek/mtk_wed.h +++ b/include/linux/soc/mediatek/mtk_wed.h @@ -103,7 +103,6 @@ struct mtk_wed_device { struct { int size; - struct page_frag_cache rx_page; struct mtk_rxbm_desc *desc; dma_addr_t desc_phys; } rx_buf_ring; @@ -151,6 +150,8 @@ struct mtk_wed_device { void (*release_rx_buf)(struct mtk_wed_device *wed); void (*update_wo_rx_stats)(struct mtk_wed_device *wed, struct mtk_wed_wo_rx_stats *stats); + int (*reset)(struct mtk_wed_device *wed); + void (*reset_complete)(struct mtk_wed_device *wed); } wlan; #endif }; diff --git a/include/linux/soc/mmp/cputype.h b/include/linux/soc/mmp/cputype.h index 221790761e8e..f13d127fadc4 100644 --- a/include/linux/soc/mmp/cputype.h +++ b/include/linux/soc/mmp/cputype.h @@ -26,29 +26,7 @@ extern unsigned int mmp_chip_id; -#ifdef CONFIG_CPU_PXA168 -static inline int cpu_is_pxa168(void) -{ - return (((read_cpuid_id() >> 8) & 0xff) == 0x84) && - ((mmp_chip_id & 0xfff) == 0x168); -} -#else -#define cpu_is_pxa168() (0) -#endif - -/* cpu_is_pxa910() is shared on both pxa910 and pxa920 */ -#ifdef CONFIG_CPU_PXA910 -static inline int cpu_is_pxa910(void) -{ - return (((read_cpuid_id() >> 8) & 0xff) == 0x84) && - (((mmp_chip_id & 0xfff) == 0x910) || - ((mmp_chip_id & 0xfff) == 0x920)); -} -#else -#define cpu_is_pxa910() (0) -#endif - -#if defined(CONFIG_CPU_MMP2) || defined(CONFIG_MACH_MMP2_DT) +#if defined(CONFIG_MACH_MMP2_DT) static inline int cpu_is_mmp2(void) { return (((read_cpuid_id() >> 8) & 0xff) == 0x58) && diff --git a/include/linux/soc/qcom/apr.h b/include/linux/soc/qcom/apr.h index 23c5b30f3511..be98aebcb3e1 100644 --- a/include/linux/soc/qcom/apr.h +++ b/include/linux/soc/qcom/apr.h @@ -153,7 +153,7 @@ typedef struct apr_device gpr_device_t; struct apr_driver { int (*probe)(struct apr_device *sl); - int (*remove)(struct apr_device *sl); + void (*remove)(struct apr_device *sl); int (*callback)(struct apr_device *a, struct apr_resp_pkt *d); int (*gpr_callback)(struct gpr_resp_pkt *d, void *data, int op); diff --git a/include/linux/qcom-geni-se.h b/include/linux/soc/qcom/geni-se.h index f5672785c0c4..400213daa461 100644 --- a/include/linux/qcom-geni-se.h +++ b/include/linux/soc/qcom/geni-se.h @@ -103,6 +103,7 @@ struct geni_se { #define SE_DMA_TX_FSM_RST 0xc58 #define SE_DMA_RX_IRQ_STAT 0xd40 #define SE_DMA_RX_IRQ_CLR 0xd44 +#define SE_DMA_RX_LEN_IN 0xd54 #define SE_DMA_RX_FSM_RST 0xd58 #define SE_HW_PARAM_0 0xe24 #define SE_HW_PARAM_1 0xe28 @@ -235,6 +236,8 @@ struct geni_se { #define RX_SBE BIT(2) #define RX_RESET_DONE BIT(3) #define RX_FLUSH_DONE BIT(4) +#define RX_DMA_PARITY_ERR BIT(5) +#define RX_DMA_BREAK GENMASK(8, 7) #define RX_GENI_GP_IRQ GENMASK(10, 5) #define RX_GENI_CANCEL_IRQ BIT(11) #define RX_GENI_GP_IRQ_EXT GENMASK(13, 12) diff --git a/include/linux/soc/qcom/pmic_glink.h b/include/linux/soc/qcom/pmic_glink.h new file mode 100644 index 000000000000..fd124aa18c81 --- /dev/null +++ b/include/linux/soc/qcom/pmic_glink.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022, Linaro Ltd + */ +#ifndef __SOC_QCOM_PMIC_GLINK_H__ +#define __SOC_QCOM_PMIC_GLINK_H__ + +struct pmic_glink; +struct pmic_glink_client; + +#define PMIC_GLINK_OWNER_BATTMGR 32778 +#define PMIC_GLINK_OWNER_USBC 32779 +#define PMIC_GLINK_OWNER_USBC_PAN 32780 + +#define PMIC_GLINK_REQ_RESP 1 +#define PMIC_GLINK_NOTIFY 2 + +struct pmic_glink_hdr { + __le32 owner; + __le32 type; + __le32 opcode; +}; + +int pmic_glink_send(struct pmic_glink_client *client, void *data, size_t len); + +struct pmic_glink_client *devm_pmic_glink_register_client(struct device *dev, + unsigned int id, + void (*cb)(const void *, size_t, void *), + void (*pdr)(void *, int), + void *priv); + +#endif diff --git a/include/linux/soc/qcom/smd-rpm.h b/include/linux/soc/qcom/smd-rpm.h index 62de54992e49..2990f425fdef 100644 --- a/include/linux/soc/qcom/smd-rpm.h +++ b/include/linux/soc/qcom/smd-rpm.h @@ -43,7 +43,6 @@ struct qcom_smd_rpm; #define QCOM_SMD_RPM_HWKM_CLK 0x6d6b7768 #define QCOM_SMD_RPM_PKA_CLK 0x616b70 #define QCOM_SMD_RPM_MCFG_CLK 0x6766636d -#define QCOM_SMD_RPM_MMXI_CLK 0x69786d6d int qcom_rpm_smd_write(struct qcom_smd_rpm *rpm, int state, diff --git a/include/linux/soc/samsung/s3c-adc.h b/include/linux/soc/samsung/s3c-adc.h deleted file mode 100644 index 591c94ef957d..000000000000 --- a/include/linux/soc/samsung/s3c-adc.h +++ /dev/null @@ -1,32 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (c) 2008 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C ADC driver information - */ - -#ifndef __LINUX_SOC_SAMSUNG_S3C_ADC_H -#define __LINUX_SOC_SAMSUNG_S3C_ADC_H __FILE__ - -struct s3c_adc_client; -struct platform_device; - -extern int s3c_adc_start(struct s3c_adc_client *client, - unsigned int channel, unsigned int nr_samples); - -extern int s3c_adc_read(struct s3c_adc_client *client, unsigned int ch); - -extern struct s3c_adc_client * - s3c_adc_register(struct platform_device *pdev, - void (*select)(struct s3c_adc_client *client, - unsigned selected), - void (*conv)(struct s3c_adc_client *client, - unsigned d0, unsigned d1, - unsigned *samples_left), - unsigned int is_ts); - -extern void s3c_adc_release(struct s3c_adc_client *client); - -#endif /* __LINUX_SOC_SAMSUNG_S3C_ADC_H */ diff --git a/include/linux/soc/samsung/s3c-cpu-freq.h b/include/linux/soc/samsung/s3c-cpu-freq.h deleted file mode 100644 index 63e88fd5dea2..000000000000 --- a/include/linux/soc/samsung/s3c-cpu-freq.h +++ /dev/null @@ -1,145 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (c) 2006-2007 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C CPU frequency scaling support - driver and board - */ -#ifndef __LINUX_SOC_SAMSUNG_S3C_CPU_FREQ_H -#define __LINUX_SOC_SAMSUNG_S3C_CPU_FREQ_H - -#include <linux/cpufreq.h> - -struct s3c_cpufreq_info; -struct s3c_cpufreq_board; -struct s3c_iotimings; - -/** - * struct s3c_freq - frequency information (mainly for core drivers) - * @fclk: The FCLK frequency in Hz. - * @armclk: The ARMCLK frequency in Hz. - * @hclk_tns: HCLK cycle time in 10ths of nano-seconds. - * @hclk: The HCLK frequency in Hz. - * @pclk: The PCLK frequency in Hz. - * - * This contains the frequency information about the current configuration - * mainly for the core drivers to ensure we do not end up passing about - * a large number of parameters. - * - * The @hclk_tns field is a useful cache for the parts of the drivers that - * need to calculate IO timings and suchlike. - */ -struct s3c_freq { - unsigned long fclk; - unsigned long armclk; - unsigned long hclk_tns; /* in 10ths of ns */ - unsigned long hclk; - unsigned long pclk; -}; - -/** - * struct s3c_cpufreq_freqs - s3c cpufreq notification information. - * @freqs: The cpufreq setting information. - * @old: The old clock settings. - * @new: The new clock settings. - * @pll_changing: Set if the PLL is changing. - * - * Wrapper 'struct cpufreq_freqs' so that any drivers receiving the - * notification can use this information that is not provided by just - * having the core frequency alone. - * - * The pll_changing flag is used to indicate if the PLL itself is - * being set during this change. This is important as the clocks - * will temporarily be set to the XTAL clock during this time, so - * drivers may want to close down their output during this time. - * - * Note, this is not being used by any current drivers and therefore - * may be removed in the future. - */ -struct s3c_cpufreq_freqs { - struct cpufreq_freqs freqs; - struct s3c_freq old; - struct s3c_freq new; - - unsigned int pll_changing:1; -}; - -#define to_s3c_cpufreq(_cf) container_of(_cf, struct s3c_cpufreq_freqs, freqs) - -/** - * struct s3c_clkdivs - clock divisor information - * @p_divisor: Divisor from FCLK to PCLK. - * @h_divisor: Divisor from FCLK to HCLK. - * @arm_divisor: Divisor from FCLK to ARMCLK (not all CPUs). - * @dvs: Non-zero if using DVS mode for ARMCLK. - * - * Divisor settings for the core clocks. - */ -struct s3c_clkdivs { - int p_divisor; - int h_divisor; - int arm_divisor; - unsigned char dvs; -}; - -#define PLLVAL(_m, _p, _s) (((_m) << 12) | ((_p) << 4) | (_s)) - -/** - * struct s3c_pllval - PLL value entry. - * @freq: The frequency for this entry in Hz. - * @pll_reg: The PLL register setting for this PLL value. - */ -struct s3c_pllval { - unsigned long freq; - unsigned long pll_reg; -}; - -/** - * struct s3c_cpufreq_board - per-board cpu frequency informatin - * @refresh: The SDRAM refresh period in nanoseconds. - * @auto_io: Set if the IO timing settings should be generated from the - * initialisation time hardware registers. - * @need_io: Set if the board has external IO on any of the chipselect - * lines that will require the hardware timing registers to be - * updated on a clock change. - * @max: The maxium frequency limits for the system. Any field that - * is left at zero will use the CPU's settings. - * - * This contains the board specific settings that affect how the CPU - * drivers chose settings. These include the memory refresh and IO - * timing information. - * - * Registration depends on the driver being used, the ARMCLK only - * implementation does not currently need this but the older style - * driver requires this to be available. - */ -struct s3c_cpufreq_board { - unsigned int refresh; - unsigned int auto_io:1; /* automatically init io timings. */ - unsigned int need_io:1; /* set if needs io timing support. */ - - /* any non-zero field in here is taken as an upper limit. */ - struct s3c_freq max; /* frequency limits */ -}; - -/* Things depending on frequency scaling. */ -#ifdef CONFIG_ARM_S3C_CPUFREQ -#define __init_or_cpufreq -#else -#define __init_or_cpufreq __init -#endif - -/* Board functions */ - -#ifdef CONFIG_ARM_S3C_CPUFREQ -extern int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board); -#else - -static inline int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board) -{ - return 0; -} -#endif /* CONFIG_ARM_S3C_CPUFREQ */ - -#endif diff --git a/include/linux/soc/samsung/s3c-cpufreq-core.h b/include/linux/soc/samsung/s3c-cpufreq-core.h deleted file mode 100644 index 3b278afb769b..000000000000 --- a/include/linux/soc/samsung/s3c-cpufreq-core.h +++ /dev/null @@ -1,299 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (c) 2006-2009 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C CPU frequency scaling support - core support - */ -#ifndef __LINUX_SOC_SAMSUNG_S3C_CPUFREQ_CORE_H -#define __LINUX_SOC_SAMSUNG_S3C_CPUFREQ_CORE_H - -#include <linux/soc/samsung/s3c-cpu-freq.h> - -struct seq_file; - -#define MAX_BANKS (8) -#define S3C2412_MAX_IO (8) - -/** - * struct s3c2410_iobank_timing - IO bank timings for S3C2410 style timings - * @bankcon: The cached version of settings in this structure. - * @tacp: - * @tacs: Time from address valid to nCS asserted. - * @tcos: Time from nCS asserted to nOE or nWE asserted. - * @tacc: Time that nOE or nWE is asserted. - * @tcoh: Time nCS is held after nOE or nWE are released. - * @tcah: Time address is held for after - * @nwait_en: Whether nWAIT is enabled for this bank. - * - * This structure represents the IO timings for a S3C2410 style IO bank - * used by the CPU frequency support if it needs to change the settings - * of the IO. - */ -struct s3c2410_iobank_timing { - unsigned long bankcon; - unsigned int tacp; - unsigned int tacs; - unsigned int tcos; - unsigned int tacc; - unsigned int tcoh; /* nCS hold after nOE/nWE */ - unsigned int tcah; /* Address hold after nCS */ - unsigned char nwait_en; /* nWait enabled for bank. */ -}; - -/** - * struct s3c2412_iobank_timing - io timings for PL092 (S3C2412) style IO - * @idcy: The idle cycle time between transactions. - * @wstrd: nCS release to end of read cycle. - * @wstwr: nCS release to end of write cycle. - * @wstoen: nCS assertion to nOE assertion time. - * @wstwen: nCS assertion to nWE assertion time. - * @wstbrd: Burst ready delay. - * @smbidcyr: Register cache for smbidcyr value. - * @smbwstrd: Register cache for smbwstrd value. - * @smbwstwr: Register cache for smbwstwr value. - * @smbwstoen: Register cache for smbwstoen value. - * @smbwstwen: Register cache for smbwstwen value. - * @smbwstbrd: Register cache for smbwstbrd value. - * - * Timing information for a IO bank on an S3C2412 or similar system which - * uses a PL093 block. - */ -struct s3c2412_iobank_timing { - unsigned int idcy; - unsigned int wstrd; - unsigned int wstwr; - unsigned int wstoen; - unsigned int wstwen; - unsigned int wstbrd; - - /* register cache */ - unsigned char smbidcyr; - unsigned char smbwstrd; - unsigned char smbwstwr; - unsigned char smbwstoen; - unsigned char smbwstwen; - unsigned char smbwstbrd; -}; - -union s3c_iobank { - struct s3c2410_iobank_timing *io_2410; - struct s3c2412_iobank_timing *io_2412; -}; - -/** - * struct s3c_iotimings - Chip IO timings holder - * @bank: The timings for each IO bank. - */ -struct s3c_iotimings { - union s3c_iobank bank[MAX_BANKS]; -}; - -/** - * struct s3c_plltab - PLL table information. - * @vals: List of PLL values. - * @size: Size of the PLL table @vals. - */ -struct s3c_plltab { - struct s3c_pllval *vals; - int size; -}; - -/** - * struct s3c_cpufreq_config - current cpu frequency configuration - * @freq: The current settings for the core clocks. - * @max: Maxium settings, derived from core, board and user settings. - * @pll: The PLL table entry for the current PLL settings. - * @divs: The divisor settings for the core clocks. - * @info: The current core driver information. - * @board: The information for the board we are running on. - * @lock_pll: Set if the PLL settings cannot be changed. - * - * This is for the core drivers that need to know information about - * the current settings and values. It should not be needed by any - * device drivers. -*/ -struct s3c_cpufreq_config { - struct s3c_freq freq; - struct s3c_freq max; - struct clk *mpll; - struct cpufreq_frequency_table pll; - struct s3c_clkdivs divs; - struct s3c_cpufreq_info *info; /* for core, not drivers */ - struct s3c_cpufreq_board *board; - - unsigned int lock_pll:1; -}; - -/** - * struct s3c_cpufreq_info - Information for the CPU frequency driver. - * @name: The name of this implementation. - * @max: The maximum frequencies for the system. - * @latency: Transition latency to give to cpufreq. - * @locktime_m: The lock-time in uS for the MPLL. - * @locktime_u: The lock-time in uS for the UPLL. - * @locttime_bits: The number of bits each LOCKTIME field. - * @need_pll: Set if this driver needs to change the PLL values to achieve - * any frequency changes. This is really only need by devices like the - * S3C2410 where there is no or limited divider between the PLL and the - * ARMCLK. - * @get_iotiming: Get the current IO timing data, mainly for use at start. - * @set_iotiming: Update the IO timings from the cached copies calculated - * from the @calc_iotiming entry when changing the frequency. - * @calc_iotiming: Calculate and update the cached copies of the IO timings - * from the newly calculated frequencies. - * @calc_freqtable: Calculate (fill in) the given frequency table from the - * current frequency configuration. If the table passed in is NULL, - * then the return is the number of elements to be filled for allocation - * of the table. - * @set_refresh: Set the memory refresh configuration. - * @set_fvco: Set the PLL frequencies. - * @set_divs: Update the clock divisors. - * @calc_divs: Calculate the clock divisors. - */ -struct s3c_cpufreq_info { - const char *name; - struct s3c_freq max; - - unsigned int latency; - - unsigned int locktime_m; - unsigned int locktime_u; - unsigned char locktime_bits; - - unsigned int need_pll:1; - - /* driver routines */ - - int (*get_iotiming)(struct s3c_cpufreq_config *cfg, - struct s3c_iotimings *timings); - - void (*set_iotiming)(struct s3c_cpufreq_config *cfg, - struct s3c_iotimings *timings); - - int (*calc_iotiming)(struct s3c_cpufreq_config *cfg, - struct s3c_iotimings *timings); - - int (*calc_freqtable)(struct s3c_cpufreq_config *cfg, - struct cpufreq_frequency_table *t, - size_t table_size); - - void (*debug_io_show)(struct seq_file *seq, - struct s3c_cpufreq_config *cfg, - union s3c_iobank *iob); - - void (*set_refresh)(struct s3c_cpufreq_config *cfg); - void (*set_fvco)(struct s3c_cpufreq_config *cfg); - void (*set_divs)(struct s3c_cpufreq_config *cfg); - int (*calc_divs)(struct s3c_cpufreq_config *cfg); -}; - -extern int s3c_cpufreq_register(struct s3c_cpufreq_info *info); - -extern int s3c_plltab_register(struct cpufreq_frequency_table *plls, - unsigned int plls_no); - -/* exports and utilities for debugfs */ -extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void); -extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void); - -#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS -#define s3c_cpufreq_debugfs_call(x) x -#else -#define s3c_cpufreq_debugfs_call(x) NULL -#endif - -/* Useful utility functions. */ - -extern struct clk *s3c_cpufreq_clk_get(struct device *, const char *); - -/* S3C2410 and compatible exported functions */ - -extern void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg); -extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg); - -#ifdef CONFIG_S3C2410_IOTIMING -extern void s3c2410_iotiming_debugfs(struct seq_file *seq, - struct s3c_cpufreq_config *cfg, - union s3c_iobank *iob); - -extern int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg, - struct s3c_iotimings *iot); - -extern int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg, - struct s3c_iotimings *timings); - -extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg, - struct s3c_iotimings *iot); -#else -#define s3c2410_iotiming_debugfs NULL -#define s3c2410_iotiming_calc NULL -#define s3c2410_iotiming_get NULL -#define s3c2410_iotiming_set NULL -#endif /* CONFIG_S3C2410_IOTIMING */ - -/* S3C2412 compatible routines */ - -#ifdef CONFIG_S3C2412_IOTIMING -extern void s3c2412_iotiming_debugfs(struct seq_file *seq, - struct s3c_cpufreq_config *cfg, - union s3c_iobank *iob); - -extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg, - struct s3c_iotimings *timings); - -extern int s3c2412_iotiming_calc(struct s3c_cpufreq_config *cfg, - struct s3c_iotimings *iot); - -extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg, - struct s3c_iotimings *iot); -extern void s3c2412_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg); -#else -#define s3c2412_iotiming_debugfs NULL -#define s3c2412_iotiming_calc NULL -#define s3c2412_iotiming_get NULL -#define s3c2412_iotiming_set NULL -#endif /* CONFIG_S3C2412_IOTIMING */ - -#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG -#define s3c_freq_dbg(x...) printk(KERN_INFO x) -#else -#define s3c_freq_dbg(x...) do { if (0) printk(x); } while (0) -#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG */ - -#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG -#define s3c_freq_iodbg(x...) printk(KERN_INFO x) -#else -#define s3c_freq_iodbg(x...) do { if (0) printk(x); } while (0) -#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG */ - -static inline int s3c_cpufreq_addfreq(struct cpufreq_frequency_table *table, - int index, size_t table_size, - unsigned int freq) -{ - if (index < 0) - return index; - - if (table) { - if (index >= table_size) - return -ENOMEM; - - s3c_freq_dbg("%s: { %d = %u kHz }\n", - __func__, index, freq); - - table[index].driver_data = index; - table[index].frequency = freq; - } - - return index + 1; -} - -u32 s3c2440_read_camdivn(void); -void s3c2440_write_camdivn(u32 camdiv); -u32 s3c24xx_read_clkdivn(void); -void s3c24xx_write_clkdivn(u32 clkdiv); -u32 s3c24xx_read_mpllcon(void); -void s3c24xx_write_locktime(u32 locktime); - -#endif diff --git a/include/linux/soc/samsung/s3c-pm.h b/include/linux/soc/samsung/s3c-pm.h index f9164559c99f..5b23d85d20ab 100644 --- a/include/linux/soc/samsung/s3c-pm.h +++ b/include/linux/soc/samsung/s3c-pm.h @@ -14,58 +14,10 @@ /* PM debug functions */ -/** - * struct pm_uart_save - save block for core UART - * @ulcon: Save value for S3C2410_ULCON - * @ucon: Save value for S3C2410_UCON - * @ufcon: Save value for S3C2410_UFCON - * @umcon: Save value for S3C2410_UMCON - * @ubrdiv: Save value for S3C2410_UBRDIV - * - * Save block for UART registers to be held over sleep and restored if they - * are needed (say by debug). -*/ -struct pm_uart_save { - u32 ulcon; - u32 ucon; - u32 ufcon; - u32 umcon; - u32 ubrdiv; - u32 udivslot; -}; - -#ifdef CONFIG_SAMSUNG_PM_DEBUG -/** - * s3c_pm_dbg() - low level debug function for use in suspend/resume. - * @msg: The message to print. - * - * This function is used mainly to debug the resume process before the system - * can rely on printk/console output. It uses the low-level debugging output - * routine printascii() to do its work. - */ -extern void s3c_pm_dbg(const char *msg, ...); - -#define S3C_PMDBG(fmt...) s3c_pm_dbg(fmt) - -extern void s3c_pm_save_uarts(bool is_s3c24xx); -extern void s3c_pm_restore_uarts(bool is_s3c24xx); - -#ifdef CONFIG_ARCH_S3C64XX -extern void s3c_pm_arch_update_uart(void __iomem *regs, - struct pm_uart_save *save); -#else -static inline void -s3c_pm_arch_update_uart(void __iomem *regs, struct pm_uart_save *save) -{ -} -#endif - -#else #define S3C_PMDBG(fmt...) pr_debug(fmt) static inline void s3c_pm_save_uarts(bool is_s3c24xx) { } static inline void s3c_pm_restore_uarts(bool is_s3c24xx) { } -#endif /* suspend memory checking */ @@ -81,14 +33,4 @@ extern void s3c_pm_check_store(void); #define s3c_pm_check_store() do { } while (0) #endif -/* system device subsystems */ - -extern struct bus_type s3c2410_subsys; -extern struct bus_type s3c2410a_subsys; -extern struct bus_type s3c2412_subsys; -extern struct bus_type s3c2416_subsys; -extern struct bus_type s3c2440_subsys; -extern struct bus_type s3c2442_subsys; -extern struct bus_type s3c2443_subsys; - #endif diff --git a/include/linux/soc/ti/omap1-soc.h b/include/linux/soc/ti/omap1-soc.h index 81008d400bb6..a42d9aa68648 100644 --- a/include/linux/soc/ti/omap1-soc.h +++ b/include/linux/soc/ti/omap1-soc.h @@ -20,22 +20,6 @@ #undef MULTI_OMAP1 #undef OMAP_NAME -#ifdef CONFIG_ARCH_OMAP730 -# ifdef OMAP_NAME -# undef MULTI_OMAP1 -# define MULTI_OMAP1 -# else -# define OMAP_NAME omap730 -# endif -#endif -#ifdef CONFIG_ARCH_OMAP850 -# ifdef OMAP_NAME -# undef MULTI_OMAP1 -# define MULTI_OMAP1 -# else -# define OMAP_NAME omap850 -# endif -#endif #ifdef CONFIG_ARCH_OMAP15XX # ifdef OMAP_NAME # undef MULTI_OMAP1 @@ -69,7 +53,6 @@ unsigned int omap_rev(void); /* * Macros to group OMAP into cpu classes. * These can be used in most places. - * cpu_is_omap7xx(): True for OMAP730, OMAP850 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710 */ @@ -89,23 +72,13 @@ static inline int is_omap ##subclass (void) \ return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ } -IS_OMAP_CLASS(7xx, 0x07) IS_OMAP_CLASS(15xx, 0x15) IS_OMAP_CLASS(16xx, 0x16) -#define cpu_is_omap7xx() 0 #define cpu_is_omap15xx() 0 #define cpu_is_omap16xx() 0 #if defined(MULTI_OMAP1) -# if defined(CONFIG_ARCH_OMAP730) -# undef cpu_is_omap7xx -# define cpu_is_omap7xx() is_omap7xx() -# endif -# if defined(CONFIG_ARCH_OMAP850) -# undef cpu_is_omap7xx -# define cpu_is_omap7xx() is_omap7xx() -# endif # if defined(CONFIG_ARCH_OMAP15XX) # undef cpu_is_omap15xx # define cpu_is_omap15xx() is_omap15xx() @@ -115,14 +88,6 @@ IS_OMAP_CLASS(16xx, 0x16) # define cpu_is_omap16xx() is_omap16xx() # endif #else -# if defined(CONFIG_ARCH_OMAP730) -# undef cpu_is_omap7xx -# define cpu_is_omap7xx() 1 -# endif -# if defined(CONFIG_ARCH_OMAP850) -# undef cpu_is_omap7xx -# define cpu_is_omap7xx() 1 -# endif # if defined(CONFIG_ARCH_OMAP15XX) # undef cpu_is_omap15xx # define cpu_is_omap15xx() 1 diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 9e4537f409c2..ef645de13ae9 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -4,6 +4,7 @@ #ifndef __SOUNDWIRE_H #define __SOUNDWIRE_H +#include <linux/bug.h> #include <linux/mod_devicetable.h> #include <linux/bitfield.h> @@ -365,7 +366,9 @@ struct sdw_dpn_prop { * @sink_dpn_prop: Sink Data Port N properties * @scp_int1_mask: SCP_INT1_MASK desired settings * @quirks: bitmask identifying deltas from the MIPI specification - * @is_sdca: the Slave supports the SDCA specification + * @clock_reg_supported: the Peripheral implements the clock base and scale + * registers introduced with the SoundWire 1.2 specification. SDCA devices + * do not need to set this boolean property as the registers are required. */ struct sdw_slave_prop { u32 mipi_revision; @@ -389,7 +392,7 @@ struct sdw_slave_prop { struct sdw_dpn_prop *sink_dpn_prop; u8 scp_int1_mask; u32 quirks; - bool is_sdca; + bool clock_reg_supported; }; #define SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY BIT(0) @@ -566,13 +569,15 @@ struct sdw_prepare_ch { * enum sdw_port_prep_ops: Prepare operations for Data Port * * @SDW_OPS_PORT_PRE_PREP: Pre prepare operation for the Port - * @SDW_OPS_PORT_PREP: Prepare operation for the Port + * @SDW_OPS_PORT_PRE_DEPREP: Pre deprepare operation for the Port * @SDW_OPS_PORT_POST_PREP: Post prepare operation for the Port + * @SDW_OPS_PORT_POST_DEPREP: Post deprepare operation for the Port */ enum sdw_port_prep_ops { SDW_OPS_PORT_PRE_PREP = 0, - SDW_OPS_PORT_PREP = 1, - SDW_OPS_PORT_POST_PREP = 2, + SDW_OPS_PORT_PRE_DEPREP, + SDW_OPS_PORT_POST_PREP, + SDW_OPS_PORT_POST_DEPREP, }; /** @@ -834,8 +839,8 @@ struct sdw_defer { * @read_prop: Read Master properties * @override_adr: Override value read from firmware (quirk for buggy firmware) * @xfer_msg: Transfer message callback - * @xfer_msg_defer: Defer version of transfer message callback - * @reset_page_addr: Reset the SCP page address registers + * @xfer_msg_defer: Defer version of transfer message callback. The message is handled with the + * bus struct @sdw_defer * @set_bus_conf: Set the bus configuration * @pre_bank_switch: Callback for pre bank switch * @post_bank_switch: Callback for post bank switch @@ -849,10 +854,7 @@ struct sdw_master_ops { enum sdw_command_response (*xfer_msg) (struct sdw_bus *bus, struct sdw_msg *msg); enum sdw_command_response (*xfer_msg_defer) - (struct sdw_bus *bus, struct sdw_msg *msg, - struct sdw_defer *defer); - enum sdw_command_response (*reset_page_addr) - (struct sdw_bus *bus, unsigned int dev_num); + (struct sdw_bus *bus); int (*set_bus_conf)(struct sdw_bus *bus, struct sdw_bus_params *params); int (*pre_bank_switch)(struct sdw_bus *bus); @@ -1021,15 +1023,8 @@ int sdw_stream_add_master(struct sdw_bus *bus, struct sdw_port_config *port_config, unsigned int num_ports, struct sdw_stream_runtime *stream); -int sdw_stream_add_slave(struct sdw_slave *slave, - struct sdw_stream_config *stream_config, - struct sdw_port_config *port_config, - unsigned int num_ports, - struct sdw_stream_runtime *stream); int sdw_stream_remove_master(struct sdw_bus *bus, struct sdw_stream_runtime *stream); -int sdw_stream_remove_slave(struct sdw_slave *slave, - struct sdw_stream_runtime *stream); int sdw_startup_stream(void *sdw_substream); int sdw_prepare_stream(struct sdw_stream_runtime *stream); int sdw_enable_stream(struct sdw_stream_runtime *stream); @@ -1040,18 +1035,111 @@ int sdw_bus_prep_clk_stop(struct sdw_bus *bus); int sdw_bus_clk_stop(struct sdw_bus *bus); int sdw_bus_exit_clk_stop(struct sdw_bus *bus); -/* messaging and data APIs */ +int sdw_compare_devid(struct sdw_slave *slave, struct sdw_slave_id id); +void sdw_extract_slave_id(struct sdw_bus *bus, u64 addr, struct sdw_slave_id *id); +#if IS_ENABLED(CONFIG_SOUNDWIRE) + +int sdw_stream_add_slave(struct sdw_slave *slave, + struct sdw_stream_config *stream_config, + struct sdw_port_config *port_config, + unsigned int num_ports, + struct sdw_stream_runtime *stream); +int sdw_stream_remove_slave(struct sdw_slave *slave, + struct sdw_stream_runtime *stream); + +/* messaging and data APIs */ int sdw_read(struct sdw_slave *slave, u32 addr); int sdw_write(struct sdw_slave *slave, u32 addr, u8 value); int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value); int sdw_read_no_pm(struct sdw_slave *slave, u32 addr); int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val); +int sdw_nread_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val); int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val); +int sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val); int sdw_update(struct sdw_slave *slave, u32 addr, u8 mask, u8 val); int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val); -int sdw_compare_devid(struct sdw_slave *slave, struct sdw_slave_id id); -void sdw_extract_slave_id(struct sdw_bus *bus, u64 addr, struct sdw_slave_id *id); +#else + +static inline int sdw_stream_add_slave(struct sdw_slave *slave, + struct sdw_stream_config *stream_config, + struct sdw_port_config *port_config, + unsigned int num_ports, + struct sdw_stream_runtime *stream) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_stream_remove_slave(struct sdw_slave *slave, + struct sdw_stream_runtime *stream) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +/* messaging and data APIs */ +static inline int sdw_read(struct sdw_slave *slave, u32 addr) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_write(struct sdw_slave *slave, u32 addr, u8 value) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_read_no_pm(struct sdw_slave *slave, u32 addr) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_nread_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_update(struct sdw_slave *slave, u32 addr, u8 mask, u8 val) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +static inline int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val) +{ + WARN_ONCE(1, "SoundWire API is disabled"); + return -EINVAL; +} + +#endif /* CONFIG_SOUNDWIRE */ #endif /* __SOUNDWIRE_H */ diff --git a/include/linux/soundwire/sdw_type.h b/include/linux/soundwire/sdw_type.h index 52eb66cd11bc..d8c27f1e5559 100644 --- a/include/linux/soundwire/sdw_type.h +++ b/include/linux/soundwire/sdw_type.h @@ -21,7 +21,7 @@ static inline int is_sdw_slave(const struct device *dev) int __sdw_register_driver(struct sdw_driver *drv, struct module *owner); void sdw_unregister_driver(struct sdw_driver *drv); -int sdw_slave_uevent(struct device *dev, struct kobj_uevent_env *env); +int sdw_slave_uevent(const struct device *dev, struct kobj_uevent_env *env); /** * module_sdw_driver() - Helper macro for registering a Soundwire driver diff --git a/include/linux/spi/altera.h b/include/linux/spi/altera.h index 2e2a622e56da..3b74c3750caf 100644 --- a/include/linux/spi/altera.h +++ b/include/linux/spi/altera.h @@ -14,7 +14,7 @@ /** * struct altera_spi_platform_data - Platform data of the Altera SPI driver - * @mode_bits: Mode bits of SPI master. + * @mode_bits: Mode bits of SPI host. * @num_chipselect: Number of chipselects. * @bits_per_word_mask: bitmask of supported bits_per_word for transfers. * @num_devices: Number of devices that shall be added when the driver @@ -46,5 +46,5 @@ struct altera_spi { }; extern irqreturn_t altera_spi_irq(int irq, void *dev); -extern void altera_spi_init_master(struct spi_master *master); +extern void altera_spi_init_host(struct spi_controller *host); #endif /* __LINUX_SPI_ALTERA_H */ diff --git a/include/linux/spi/at86rf230.h b/include/linux/spi/at86rf230.h deleted file mode 100644 index d278576ab692..000000000000 --- a/include/linux/spi/at86rf230.h +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * AT86RF230/RF231 driver - * - * Copyright (C) 2009-2012 Siemens AG - * - * Written by: - * Dmitry Eremin-Solenikov <dmitry.baryshkov@siemens.com> - */ -#ifndef AT86RF230_H -#define AT86RF230_H - -struct at86rf230_platform_data { - int rstn; - int slp_tr; - int dig2; - u8 xtal_trim; -}; - -#endif diff --git a/include/linux/spi/cc2520.h b/include/linux/spi/cc2520.h deleted file mode 100644 index 449bacf10700..000000000000 --- a/include/linux/spi/cc2520.h +++ /dev/null @@ -1,21 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* Header file for cc2520 radio driver - * - * Copyright (C) 2014 Varka Bhadram <varkab@cdac.in> - * Md.Jamal Mohiuddin <mjmohiuddin@cdac.in> - * P Sowjanya <sowjanyap@cdac.in> - */ - -#ifndef __CC2520_H -#define __CC2520_H - -struct cc2520_platform_data { - int fifo; - int fifop; - int cca; - int sfd; - int reset; - int vreg; -}; - -#endif diff --git a/include/linux/spi/s3c24xx-fiq.h b/include/linux/spi/s3c24xx-fiq.h deleted file mode 100644 index d2842ac1de27..000000000000 --- a/include/linux/spi/s3c24xx-fiq.h +++ /dev/null @@ -1,33 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* linux/drivers/spi/spi_s3c24xx_fiq.h - * - * Copyright 2009 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX SPI - FIQ pseudo-DMA transfer support -*/ - -#ifndef __LINUX_SPI_S3C24XX_FIQ_H -#define __LINUX_SPI_S3C24XX_FIQ_H __FILE__ - -/* We have R8 through R13 to play with */ - -#ifdef __ASSEMBLY__ -#define __REG_NR(x) r##x -#else - -extern struct spi_fiq_code s3c24xx_spi_fiq_txrx; -extern struct spi_fiq_code s3c24xx_spi_fiq_tx; -extern struct spi_fiq_code s3c24xx_spi_fiq_rx; - -#define __REG_NR(x) (x) -#endif - -#define fiq_rspi __REG_NR(8) -#define fiq_rtmp __REG_NR(9) -#define fiq_rrx __REG_NR(10) -#define fiq_rtx __REG_NR(11) -#define fiq_rcount __REG_NR(12) -#define fiq_rirq __REG_NR(13) - -#endif /* __LINUX_SPI_S3C24XX_FIQ_H */ diff --git a/include/linux/spi/s3c24xx.h b/include/linux/spi/s3c24xx.h deleted file mode 100644 index 9b8bb22d5b0c..000000000000 --- a/include/linux/spi/s3c24xx.h +++ /dev/null @@ -1,20 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (c) 2006 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2410 - SPI Controller platform_device info -*/ - -#ifndef __LINUX_SPI_S3C24XX_H -#define __LINUX_SPI_S3C24XX_H __FILE__ - -struct s3c2410_spi_info { - unsigned int num_cs; /* total chipselects */ - int bus_num; /* bus number to use. */ - unsigned int use_fiq:1; /* use fiq */ -}; - -extern int s3c24xx_set_fiq(unsigned int irq, u32 *ack_ptr, bool on); - -#endif /* __LINUX_SPI_S3C24XX_H */ diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 9a32495fbb1f..4fa26b9a3572 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -26,6 +26,7 @@ struct spi_controller; struct spi_transfer; struct spi_controller_mem_ops; struct spi_controller_mem_caps; +struct spi_message; /* * INTERFACES between SPI master-side drivers and SPI slave protocol handlers, @@ -119,6 +120,8 @@ struct spi_delay { extern int spi_delay_to_ns(struct spi_delay *_delay, struct spi_transfer *xfer); extern int spi_delay_exec(struct spi_delay *_delay, struct spi_transfer *xfer); +extern void spi_transfer_cs_change_delay_exec(struct spi_message *msg, + struct spi_transfer *xfer); /** * struct spi_device - Controller side proxy for an SPI slave device @@ -223,7 +226,7 @@ struct spi_device { static_assert((SPI_MODE_KERNEL_MASK & SPI_MODE_USER_MASK) == 0, "SPI_MODE_USER_MASK & SPI_MODE_KERNEL_MASK must not overlap"); -static inline struct spi_device *to_spi_device(struct device *dev) +static inline struct spi_device *to_spi_device(const struct device *dev) { return dev ? container_of(dev, struct spi_device, dev) : NULL; } @@ -263,7 +266,25 @@ static inline void *spi_get_drvdata(struct spi_device *spi) return dev_get_drvdata(&spi->dev); } -struct spi_message; +static inline u8 spi_get_chipselect(struct spi_device *spi, u8 idx) +{ + return spi->chip_select; +} + +static inline void spi_set_chipselect(struct spi_device *spi, u8 idx, u8 chipselect) +{ + spi->chip_select = chipselect; +} + +static inline struct gpio_desc *spi_get_csgpiod(struct spi_device *spi, u8 idx) +{ + return spi->cs_gpiod; +} + +static inline void spi_set_csgpiod(struct spi_device *spi, u8 idx, struct gpio_desc *csgpiod) +{ + spi->cs_gpiod = csgpiod; +} /** * struct spi_driver - Host side "protocol" driver @@ -1001,6 +1022,9 @@ struct spi_transfer { void *rx_buf; unsigned len; +#define SPI_TRANS_FAIL_NO_START BIT(0) + u16 error; + dma_addr_t tx_dma; dma_addr_t rx_dma; struct sg_table tx_sg; @@ -1011,6 +1035,7 @@ struct spi_transfer { unsigned cs_change:1; unsigned tx_nbits:3; unsigned rx_nbits:3; + unsigned timestamped:1; #define SPI_NBITS_SINGLE 0x01 /* 1bit transfer */ #define SPI_NBITS_DUAL 0x02 /* 2bits transfer */ #define SPI_NBITS_QUAD 0x04 /* 4bits transfer */ @@ -1027,12 +1052,7 @@ struct spi_transfer { struct ptp_system_timestamp *ptp_sts; - bool timestamped; - struct list_head transfer_list; - -#define SPI_TRANS_FAIL_NO_START BIT(0) - u16 error; }; /** diff --git a/include/linux/spi/xilinx_spi.h b/include/linux/spi/xilinx_spi.h index c15d69d28e68..3934ce789d87 100644 --- a/include/linux/spi/xilinx_spi.h +++ b/include/linux/spi/xilinx_spi.h @@ -15,6 +15,7 @@ struct xspi_platform_data { u8 bits_per_word; struct spi_board_info *devices; u8 num_devices; + bool force_irq; }; #endif /* __LINUX_SPI_XILINX_SPI_H */ diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 9b9d0bbf1d3c..74796cd7e7a9 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -215,6 +215,34 @@ srcu_read_lock_notrace(struct srcu_struct *ssp) __acquires(ssp) } /** + * srcu_down_read - register a new reader for an SRCU-protected structure. + * @ssp: srcu_struct in which to register the new reader. + * + * Enter a semaphore-like SRCU read-side critical section. Note that + * SRCU read-side critical sections may be nested. However, it is + * illegal to call anything that waits on an SRCU grace period for the + * same srcu_struct, whether directly or indirectly. Please note that + * one way to indirectly wait on an SRCU grace period is to acquire + * a mutex that is held elsewhere while calling synchronize_srcu() or + * synchronize_srcu_expedited(). But if you want lockdep to help you + * keep this stuff straight, you should instead use srcu_read_lock(). + * + * The semaphore-like nature of srcu_down_read() means that the matching + * srcu_up_read() can be invoked from some other context, for example, + * from some other task or from an irq handler. However, neither + * srcu_down_read() nor srcu_up_read() may be invoked from an NMI handler. + * + * Calls to srcu_down_read() may be nested, similar to the manner in + * which calls to down_read() may be nested. + */ +static inline int srcu_down_read(struct srcu_struct *ssp) __acquires(ssp) +{ + WARN_ON_ONCE(in_nmi()); + srcu_check_nmi_safety(ssp, false); + return __srcu_read_lock(ssp); +} + +/** * srcu_read_unlock - unregister a old reader from an SRCU-protected structure. * @ssp: srcu_struct in which to unregister the old reader. * @idx: return value from corresponding srcu_read_lock(). @@ -255,6 +283,23 @@ srcu_read_unlock_notrace(struct srcu_struct *ssp, int idx) __releases(ssp) } /** + * srcu_up_read - unregister a old reader from an SRCU-protected structure. + * @ssp: srcu_struct in which to unregister the old reader. + * @idx: return value from corresponding srcu_read_lock(). + * + * Exit an SRCU read-side critical section, but not necessarily from + * the same context as the maching srcu_down_read(). + */ +static inline void srcu_up_read(struct srcu_struct *ssp, int idx) + __releases(ssp) +{ + WARN_ON_ONCE(idx & ~0x1); + WARN_ON_ONCE(in_nmi()); + srcu_check_nmi_safety(ssp, false); + __srcu_read_unlock(ssp, idx); +} + +/** * smp_mb__after_srcu_read_unlock - ensure full ordering after srcu_read_unlock * * Converts the preceding srcu_read_unlock into a two-way memory barrier. diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h index c689a81752c9..558057b517b7 100644 --- a/include/linux/srcutree.h +++ b/include/linux/srcutree.h @@ -49,7 +49,7 @@ struct srcu_data { struct srcu_node { spinlock_t __private lock; unsigned long srcu_have_cbs[4]; /* GP seq for children having CBs, but only */ - /* if greater than ->srcu_gq_seq. */ + /* if greater than ->srcu_gp_seq. */ unsigned long srcu_data_have_cbs[4]; /* Which srcu_data structs have CBs for given GP? */ unsigned long srcu_gp_seq_needed_exp; /* Furthest future exp GP. */ struct srcu_node *srcu_parent; /* Next up in tree. */ diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index f9b53acb4e02..1f326da289d3 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -285,7 +285,7 @@ struct ssb_device { /* Go from struct device to struct ssb_device. */ static inline -struct ssb_device * dev_to_ssb_dev(struct device *dev) +struct ssb_device * dev_to_ssb_dev(const struct device *dev) { struct __ssb_dev_wrapper *wrap; wrap = container_of(dev, struct __ssb_dev_wrapper, dev); diff --git a/include/linux/stackdepot.h b/include/linux/stackdepot.h index 9ca7798d7a31..e58306783d8e 100644 --- a/include/linux/stackdepot.h +++ b/include/linux/stackdepot.h @@ -1,11 +1,22 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ /* - * A generic stack depot implementation + * Stack depot - a stack trace storage that avoids duplication. + * + * Stack depot is intended to be used by subsystems that need to store and + * later retrieve many potentially duplicated stack traces without wasting + * memory. + * + * For example, KASAN needs to save allocation and free stack traces for each + * object. Storing two stack traces per object requires a lot of memory (e.g. + * SLUB_DEBUG needs 256 bytes per object for that). Since allocation and free + * stack traces often repeat, using stack depot allows to save about 100x space. + * + * Stack traces are never removed from the stack depot. * * Author: Alexander Potapenko <glider@google.com> * Copyright (C) 2016 Google, Inc. * - * Based on code by Dmitry Chernenkov. + * Based on the code by Dmitry Chernenkov. */ #ifndef _LINUX_STACKDEPOT_H @@ -14,62 +25,143 @@ #include <linux/gfp.h> typedef u32 depot_stack_handle_t; + /* * Number of bits in the handle that stack depot doesn't use. Users may store - * information in them. + * information in them via stack_depot_set/get_extra_bits. */ #define STACK_DEPOT_EXTRA_BITS 5 -depot_stack_handle_t __stack_depot_save(unsigned long *entries, - unsigned int nr_entries, - unsigned int extra_bits, - gfp_t gfp_flags, bool can_alloc); - /* - * Every user of stack depot has to call stack_depot_init() during its own init - * when it's decided that it will be calling stack_depot_save() later. This is - * recommended for e.g. modules initialized later in the boot process, when - * slab_is_available() is true. - * - * The alternative is to select STACKDEPOT_ALWAYS_INIT to have stack depot - * enabled as part of mm_init(), for subsystems where it's known at compile time - * that stack depot will be used. - * - * Another alternative is to call stack_depot_want_early_init(), when the - * decision to use stack depot is taken e.g. when evaluating kernel boot - * parameters, which precedes the enablement point in mm_init(). - * - * stack_depot_init() and stack_depot_want_early_init() can be called regardless - * of CONFIG_STACKDEPOT and are no-op when disabled. The actual save/fetch/print - * functions should only be called from code that makes sure CONFIG_STACKDEPOT - * is enabled. + * Using stack depot requires its initialization, which can be done in 3 ways: + * + * 1. Selecting CONFIG_STACKDEPOT_ALWAYS_INIT. This option is suitable in + * scenarios where it's known at compile time that stack depot will be used. + * Enabling this config makes the kernel initialize stack depot in mm_init(). + * + * 2. Calling stack_depot_request_early_init() during early boot, before + * stack_depot_early_init() in mm_init() completes. For example, this can + * be done when evaluating kernel boot parameters. + * + * 3. Calling stack_depot_init(). Possible after boot is complete. This option + * is recommended for modules initialized later in the boot process, after + * mm_init() completes. + * + * stack_depot_init() and stack_depot_request_early_init() can be called + * regardless of whether CONFIG_STACKDEPOT is enabled and are no-op when this + * config is disabled. The save/fetch/print stack depot functions can only be + * called from the code that makes sure CONFIG_STACKDEPOT is enabled _and_ + * initializes stack depot via one of the ways listed above. */ #ifdef CONFIG_STACKDEPOT int stack_depot_init(void); -void __init stack_depot_want_early_init(void); +void __init stack_depot_request_early_init(void); -/* This is supposed to be called only from mm_init() */ +/* Must be only called from mm_init(). */ int __init stack_depot_early_init(void); #else static inline int stack_depot_init(void) { return 0; } -static inline void stack_depot_want_early_init(void) { } +static inline void stack_depot_request_early_init(void) { } static inline int stack_depot_early_init(void) { return 0; } #endif +/** + * __stack_depot_save - Save a stack trace to stack depot + * + * @entries: Pointer to the stack trace + * @nr_entries: Number of frames in the stack + * @alloc_flags: Allocation GFP flags + * @can_alloc: Allocate stack pools (increased chance of failure if false) + * + * Saves a stack trace from @entries array of size @nr_entries. If @can_alloc is + * %true, stack depot can replenish the stack pools in case no space is left + * (allocates using GFP flags of @alloc_flags). If @can_alloc is %false, avoids + * any allocations and fails if no space is left to store the stack trace. + * + * If the provided stack trace comes from the interrupt context, only the part + * up to the interrupt entry is saved. + * + * Context: Any context, but setting @can_alloc to %false is required if + * alloc_pages() cannot be used from the current context. Currently + * this is the case for contexts where neither %GFP_ATOMIC nor + * %GFP_NOWAIT can be used (NMI, raw_spin_lock). + * + * Return: Handle of the stack struct stored in depot, 0 on failure + */ +depot_stack_handle_t __stack_depot_save(unsigned long *entries, + unsigned int nr_entries, + gfp_t gfp_flags, bool can_alloc); + +/** + * stack_depot_save - Save a stack trace to stack depot + * + * @entries: Pointer to the stack trace + * @nr_entries: Number of frames in the stack + * @alloc_flags: Allocation GFP flags + * + * Context: Contexts where allocations via alloc_pages() are allowed. + * See __stack_depot_save() for more details. + * + * Return: Handle of the stack trace stored in depot, 0 on failure + */ depot_stack_handle_t stack_depot_save(unsigned long *entries, unsigned int nr_entries, gfp_t gfp_flags); +/** + * stack_depot_fetch - Fetch a stack trace from stack depot + * + * @handle: Stack depot handle returned from stack_depot_save() + * @entries: Pointer to store the address of the stack trace + * + * Return: Number of frames for the fetched stack + */ unsigned int stack_depot_fetch(depot_stack_handle_t handle, unsigned long **entries); -unsigned int stack_depot_get_extra_bits(depot_stack_handle_t handle); +/** + * stack_depot_print - Print a stack trace from stack depot + * + * @stack: Stack depot handle returned from stack_depot_save() + */ +void stack_depot_print(depot_stack_handle_t stack); +/** + * stack_depot_snprint - Print a stack trace from stack depot into a buffer + * + * @handle: Stack depot handle returned from stack_depot_save() + * @buf: Pointer to the print buffer + * @size: Size of the print buffer + * @spaces: Number of leading spaces to print + * + * Return: Number of bytes printed + */ int stack_depot_snprint(depot_stack_handle_t handle, char *buf, size_t size, int spaces); -void stack_depot_print(depot_stack_handle_t stack); +/** + * stack_depot_set_extra_bits - Set extra bits in a stack depot handle + * + * @handle: Stack depot handle returned from stack_depot_save() + * @extra_bits: Value to set the extra bits + * + * Return: Stack depot handle with extra bits set + * + * Stack depot handles have a few unused bits, which can be used for storing + * user-specific information. These bits are transparent to the stack depot. + */ +depot_stack_handle_t __must_check stack_depot_set_extra_bits( + depot_stack_handle_t handle, unsigned int extra_bits); + +/** + * stack_depot_get_extra_bits - Retrieve extra bits from a stack depot handle + * + * @handle: Stack depot handle with extra bits saved + * + * Return: Extra bits retrieved from the stack depot handle + */ +unsigned int stack_depot_get_extra_bits(depot_stack_handle_t handle); #endif diff --git a/include/linux/stat.h b/include/linux/stat.h index ff277ced50e9..52150570d37a 100644 --- a/include/linux/stat.h +++ b/include/linux/stat.h @@ -52,6 +52,15 @@ struct kstat { u64 mnt_id; u32 dio_mem_align; u32 dio_offset_align; + u64 change_cookie; }; +/* These definitions are internal to the kernel for now. Mainly used by nfsd. */ + +/* mask values */ +#define STATX_CHANGE_COOKIE 0x40000000U /* Want/got stx_change_attr */ + +/* file attribute values */ +#define STATX_ATTR_CHANGE_MONOTONIC 0x8000000000000000ULL /* version monotonically increases */ + #endif diff --git a/include/linux/string.h b/include/linux/string.h index db28802ab0a6..c062c581a98b 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -177,6 +177,7 @@ extern char *kstrdup(const char *s, gfp_t gfp) __malloc; extern const char *kstrdup_const(const char *s, gfp_t gfp); extern char *kstrndup(const char *s, size_t len, gfp_t gfp); extern void *kmemdup(const void *src, size_t len, gfp_t gfp) __realloc_size(2); +extern void *kvmemdup(const void *src, size_t len, gfp_t gfp) __realloc_size(2); extern char *kmemdup_nul(const char *s, size_t len, gfp_t gfp); extern char **argv_split(gfp_t gfp, const char *str, int *argcp); diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index 8530c7328269..fae6beaaa217 100644 --- a/include/linux/string_helpers.h +++ b/include/linux/string_helpers.h @@ -11,6 +11,11 @@ struct device; struct file; struct task_struct; +static inline bool string_is_terminated(const char *s, int len) +{ + return memchr(s, '\0', len) ? true : false; +} + /* Descriptions of the types of units to * print in */ enum string_size_units { diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h index 91f43d86879d..78a80bf3fdcb 100644 --- a/include/linux/sunrpc/gss_krb5.h +++ b/include/linux/sunrpc/gss_krb5.h @@ -1,6 +1,4 @@ /* - * linux/include/linux/sunrpc/gss_krb5_types.h - * * Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h, * lib/gssapi/krb5/gssapiP_krb5.h, and others * @@ -36,6 +34,9 @@ * */ +#ifndef _LINUX_SUNRPC_GSS_KRB5_H +#define _LINUX_SUNRPC_GSS_KRB5_H + #include <crypto/skcipher.h> #include <linux/sunrpc/auth_gss.h> #include <linux/sunrpc/gss_err.h> @@ -44,80 +45,15 @@ /* Length of constant used in key derivation */ #define GSS_KRB5_K5CLENGTH (5) -/* Maximum key length (in bytes) for the supported crypto algorithms*/ +/* Maximum key length (in bytes) for the supported crypto algorithms */ #define GSS_KRB5_MAX_KEYLEN (32) -/* Maximum checksum function output for the supported crypto algorithms */ -#define GSS_KRB5_MAX_CKSUM_LEN (20) +/* Maximum checksum function output for the supported enctypes */ +#define GSS_KRB5_MAX_CKSUM_LEN (24) /* Maximum blocksize for the supported crypto algorithms */ #define GSS_KRB5_MAX_BLOCKSIZE (16) -struct krb5_ctx; - -struct gss_krb5_enctype { - const u32 etype; /* encryption (key) type */ - const u32 ctype; /* checksum type */ - const char *name; /* "friendly" name */ - const char *encrypt_name; /* crypto encrypt name */ - const char *cksum_name; /* crypto checksum name */ - const u16 signalg; /* signing algorithm */ - const u16 sealalg; /* sealing algorithm */ - const u32 blocksize; /* encryption blocksize */ - const u32 conflen; /* confounder length - (normally the same as - the blocksize) */ - const u32 cksumlength; /* checksum length */ - const u32 keyed_cksum; /* is it a keyed cksum? */ - const u32 keybytes; /* raw key len, in bytes */ - const u32 keylength; /* final key len, in bytes */ - u32 (*encrypt) (struct crypto_sync_skcipher *tfm, - void *iv, void *in, void *out, - int length); /* encryption function */ - u32 (*decrypt) (struct crypto_sync_skcipher *tfm, - void *iv, void *in, void *out, - int length); /* decryption function */ - u32 (*mk_key) (const struct gss_krb5_enctype *gk5e, - struct xdr_netobj *in, - struct xdr_netobj *out); /* complete key generation */ - u32 (*encrypt_v2) (struct krb5_ctx *kctx, u32 offset, - struct xdr_buf *buf, - struct page **pages); /* v2 encryption function */ - u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset, u32 len, - struct xdr_buf *buf, u32 *headskip, - u32 *tailskip); /* v2 decryption function */ -}; - -/* krb5_ctx flags definitions */ -#define KRB5_CTX_FLAG_INITIATOR 0x00000001 -#define KRB5_CTX_FLAG_CFX 0x00000002 -#define KRB5_CTX_FLAG_ACCEPTOR_SUBKEY 0x00000004 - -struct krb5_ctx { - int initiate; /* 1 = initiating, 0 = accepting */ - u32 enctype; - u32 flags; - const struct gss_krb5_enctype *gk5e; /* enctype-specific info */ - struct crypto_sync_skcipher *enc; - struct crypto_sync_skcipher *seq; - struct crypto_sync_skcipher *acceptor_enc; - struct crypto_sync_skcipher *initiator_enc; - struct crypto_sync_skcipher *acceptor_enc_aux; - struct crypto_sync_skcipher *initiator_enc_aux; - u8 Ksess[GSS_KRB5_MAX_KEYLEN]; /* session key */ - u8 cksum[GSS_KRB5_MAX_KEYLEN]; - atomic_t seq_send; - atomic64_t seq_send64; - time64_t endtime; - struct xdr_netobj mech_used; - u8 initiator_sign[GSS_KRB5_MAX_KEYLEN]; - u8 acceptor_sign[GSS_KRB5_MAX_KEYLEN]; - u8 initiator_seal[GSS_KRB5_MAX_KEYLEN]; - u8 acceptor_seal[GSS_KRB5_MAX_KEYLEN]; - u8 initiator_integ[GSS_KRB5_MAX_KEYLEN]; - u8 acceptor_integ[GSS_KRB5_MAX_KEYLEN]; -}; - /* The length of the Kerberos GSS token header */ #define GSS_KRB5_TOK_HDR_LEN (16) @@ -150,6 +86,12 @@ enum seal_alg { SEAL_ALG_DES3KD = 0x0002 }; +/* + * These values are assigned by IANA and published via the + * subregistry at the link below: + * + * https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-2 + */ #define CKSUMTYPE_CRC32 0x0001 #define CKSUMTYPE_RSA_MD4 0x0002 #define CKSUMTYPE_RSA_MD4_DES 0x0003 @@ -160,6 +102,10 @@ enum seal_alg { #define CKSUMTYPE_HMAC_SHA1_DES3 0x000c #define CKSUMTYPE_HMAC_SHA1_96_AES128 0x000f #define CKSUMTYPE_HMAC_SHA1_96_AES256 0x0010 +#define CKSUMTYPE_CMAC_CAMELLIA128 0x0011 +#define CKSUMTYPE_CMAC_CAMELLIA256 0x0012 +#define CKSUMTYPE_HMAC_SHA256_128_AES128 0x0013 +#define CKSUMTYPE_HMAC_SHA384_192_AES256 0x0014 #define CKSUMTYPE_HMAC_MD5_ARCFOUR -138 /* Microsoft md5 hmac cksumtype */ /* from gssapi_err_krb5.h */ @@ -180,6 +126,11 @@ enum seal_alg { /* per Kerberos v5 protocol spec crypto types from the wire. * these get mapped to linux kernel crypto routines. + * + * These values are assigned by IANA and published via the + * subregistry at the link below: + * + * https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-1 */ #define ENCTYPE_NULL 0x0000 #define ENCTYPE_DES_CBC_CRC 0x0001 /* DES cbc mode with CRC-32 */ @@ -193,8 +144,12 @@ enum seal_alg { #define ENCTYPE_DES3_CBC_SHA1 0x0010 #define ENCTYPE_AES128_CTS_HMAC_SHA1_96 0x0011 #define ENCTYPE_AES256_CTS_HMAC_SHA1_96 0x0012 +#define ENCTYPE_AES128_CTS_HMAC_SHA256_128 0x0013 +#define ENCTYPE_AES256_CTS_HMAC_SHA384_192 0x0014 #define ENCTYPE_ARCFOUR_HMAC 0x0017 #define ENCTYPE_ARCFOUR_HMAC_EXP 0x0018 +#define ENCTYPE_CAMELLIA128_CTS_CMAC 0x0019 +#define ENCTYPE_CAMELLIA256_CTS_CMAC 0x001A #define ENCTYPE_UNKNOWN 0x01ff /* @@ -216,103 +171,4 @@ enum seal_alg { #define KG_USAGE_INITIATOR_SEAL (24) #define KG_USAGE_INITIATOR_SIGN (25) -/* - * This compile-time check verifies that we will not exceed the - * slack space allotted by the client and server auth_gss code - * before they call gss_wrap(). - */ -#define GSS_KRB5_MAX_SLACK_NEEDED \ - (GSS_KRB5_TOK_HDR_LEN /* gss token header */ \ - + GSS_KRB5_MAX_CKSUM_LEN /* gss token checksum */ \ - + GSS_KRB5_MAX_BLOCKSIZE /* confounder */ \ - + GSS_KRB5_MAX_BLOCKSIZE /* possible padding */ \ - + GSS_KRB5_TOK_HDR_LEN /* encrypted hdr in v2 token */\ - + GSS_KRB5_MAX_CKSUM_LEN /* encryption hmac */ \ - + 4 + 4 /* RPC verifier */ \ - + GSS_KRB5_TOK_HDR_LEN \ - + GSS_KRB5_MAX_CKSUM_LEN) - -u32 -make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen, - struct xdr_buf *body, int body_offset, u8 *cksumkey, - unsigned int usage, struct xdr_netobj *cksumout); - -u32 -make_checksum_v2(struct krb5_ctx *, char *header, int hdrlen, - struct xdr_buf *body, int body_offset, u8 *key, - unsigned int usage, struct xdr_netobj *cksum); - -u32 gss_get_mic_kerberos(struct gss_ctx *, struct xdr_buf *, - struct xdr_netobj *); - -u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *, - struct xdr_netobj *); - -u32 -gss_wrap_kerberos(struct gss_ctx *ctx_id, int offset, - struct xdr_buf *outbuf, struct page **pages); - -u32 -gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset, int len, - struct xdr_buf *buf); - - -u32 -krb5_encrypt(struct crypto_sync_skcipher *key, - void *iv, void *in, void *out, int length); - -u32 -krb5_decrypt(struct crypto_sync_skcipher *key, - void *iv, void *in, void *out, int length); - -int -gss_encrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *outbuf, - int offset, struct page **pages); - -int -gss_decrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *inbuf, - int offset); - -s32 -krb5_make_seq_num(struct krb5_ctx *kctx, - struct crypto_sync_skcipher *key, - int direction, - u32 seqnum, unsigned char *cksum, unsigned char *buf); - -s32 -krb5_get_seq_num(struct krb5_ctx *kctx, - unsigned char *cksum, - unsigned char *buf, int *direction, u32 *seqnum); - -int -xdr_extend_head(struct xdr_buf *buf, unsigned int base, unsigned int shiftlen); - -u32 -krb5_derive_key(const struct gss_krb5_enctype *gk5e, - const struct xdr_netobj *inkey, - struct xdr_netobj *outkey, - const struct xdr_netobj *in_constant, - gfp_t gfp_mask); - -u32 -gss_krb5_des3_make_key(const struct gss_krb5_enctype *gk5e, - struct xdr_netobj *randombits, - struct xdr_netobj *key); - -u32 -gss_krb5_aes_make_key(const struct gss_krb5_enctype *gk5e, - struct xdr_netobj *randombits, - struct xdr_netobj *key); - -u32 -gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, - struct xdr_buf *buf, - struct page **pages); - -u32 -gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, u32 len, - struct xdr_buf *buf, u32 *plainoffset, - u32 *plainlen); - -void -gss_krb5_make_confounder(char *p, u32 conflen); +#endif /* _LINUX_SUNRPC_GSS_KRB5_H */ diff --git a/include/linux/sunrpc/gss_krb5_enctypes.h b/include/linux/sunrpc/gss_krb5_enctypes.h deleted file mode 100644 index 87eea679d750..000000000000 --- a/include/linux/sunrpc/gss_krb5_enctypes.h +++ /dev/null @@ -1,41 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Define the string that exports the set of kernel-supported - * Kerberos enctypes. This list is sent via upcall to gssd, and - * is also exposed via the nfsd /proc API. The consumers generally - * treat this as an ordered list, where the first item in the list - * is the most preferred. - */ - -#ifndef _LINUX_SUNRPC_GSS_KRB5_ENCTYPES_H -#define _LINUX_SUNRPC_GSS_KRB5_ENCTYPES_H - -#ifdef CONFIG_SUNRPC_DISABLE_INSECURE_ENCTYPES - -/* - * NB: This list includes DES3_CBC_SHA1, which was deprecated by RFC 8429. - * - * ENCTYPE_AES256_CTS_HMAC_SHA1_96 - * ENCTYPE_AES128_CTS_HMAC_SHA1_96 - * ENCTYPE_DES3_CBC_SHA1 - */ -#define KRB5_SUPPORTED_ENCTYPES "18,17,16" - -#else /* CONFIG_SUNRPC_DISABLE_INSECURE_ENCTYPES */ - -/* - * NB: This list includes encryption types that were deprecated - * by RFC 8429 and RFC 6649. - * - * ENCTYPE_AES256_CTS_HMAC_SHA1_96 - * ENCTYPE_AES128_CTS_HMAC_SHA1_96 - * ENCTYPE_DES3_CBC_SHA1 - * ENCTYPE_DES_CBC_MD5 - * ENCTYPE_DES_CBC_CRC - * ENCTYPE_DES_CBC_MD4 - */ -#define KRB5_SUPPORTED_ENCTYPES "18,17,16,3,1,2" - -#endif /* CONFIG_SUNRPC_DISABLE_INSECURE_ENCTYPES */ - -#endif /* _LINUX_SUNRPC_GSS_KRB5_ENCTYPES_H */ diff --git a/include/linux/sunrpc/msg_prot.h b/include/linux/sunrpc/msg_prot.h index 02117ed0fa2e..c4b0eb2b2f04 100644 --- a/include/linux/sunrpc/msg_prot.h +++ b/include/linux/sunrpc/msg_prot.h @@ -34,6 +34,11 @@ enum rpc_auth_flavors { RPC_AUTH_GSS_SPKMP = 390011, }; +/* Maximum size (in octets) of the machinename in an AUTH_UNIX + * credential (per RFC 5531 Appendix A) + */ +#define RPC_MAX_MACHINENAME (255) + /* Maximum size (in bytes) of an rpc credential or verifier */ #define RPC_MAX_AUTH_SIZE (400) diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index ed722dd33b46..877891536c2f 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -21,14 +21,6 @@ #include <linux/mm.h> #include <linux/pagevec.h> -/* statistics for svc_pool structures */ -struct svc_pool_stats { - atomic_long_t packets; - unsigned long sockets_queued; - atomic_long_t threads_woken; - atomic_long_t threads_timedout; -}; - /* * * RPC service thread pool. @@ -45,7 +37,12 @@ struct svc_pool { struct list_head sp_sockets; /* pending sockets */ unsigned int sp_nrthreads; /* # of threads in pool */ struct list_head sp_all_threads; /* all server threads */ - struct svc_pool_stats sp_stats; /* statistics on pool operation */ + + /* statistics on pool operation */ + struct percpu_counter sp_sockets_queued; + struct percpu_counter sp_threads_woken; + struct percpu_counter sp_threads_timedout; + #define SP_TASK_PENDING (0) /* still work to do even if no * xprt is queued. */ #define SP_CONGESTED (1) @@ -193,40 +190,6 @@ extern u32 svc_max_payload(const struct svc_rqst *rqstp); #define RPCSVC_MAXPAGES ((RPCSVC_MAXPAYLOAD+PAGE_SIZE-1)/PAGE_SIZE \ + 2 + 1) -static inline u32 svc_getnl(struct kvec *iov) -{ - __be32 val, *vp; - vp = iov->iov_base; - val = *vp++; - iov->iov_base = (void*)vp; - iov->iov_len -= sizeof(__be32); - return ntohl(val); -} - -static inline void svc_putnl(struct kvec *iov, u32 val) -{ - __be32 *vp = iov->iov_base + iov->iov_len; - *vp = htonl(val); - iov->iov_len += sizeof(__be32); -} - -static inline __be32 svc_getu32(struct kvec *iov) -{ - __be32 val, *vp; - vp = iov->iov_base; - val = *vp++; - iov->iov_base = (void*)vp; - iov->iov_len -= sizeof(__be32); - return val; -} - -static inline void svc_putu32(struct kvec *iov, __be32 val) -{ - __be32 *vp = iov->iov_base + iov->iov_len; - *vp = val; - iov->iov_len += sizeof(__be32); -} - /* * The context of a single thread, including the request currently being * processed. @@ -285,6 +248,7 @@ struct svc_rqst { void * rq_argp; /* decoded arguments */ void * rq_resp; /* xdr'd results */ + __be32 *rq_accept_statp; void * rq_auth_data; /* flavor-specific data */ __be32 rq_auth_stat; /* authentication status */ int rq_auth_slack; /* extra space xdr code @@ -345,29 +309,6 @@ static inline struct sockaddr *svc_daddr(const struct svc_rqst *rqst) return (struct sockaddr *) &rqst->rq_daddr; } -/* - * Check buffer bounds after decoding arguments - */ -static inline int -xdr_argsize_check(struct svc_rqst *rqstp, __be32 *p) -{ - char *cp = (char *)p; - struct kvec *vec = &rqstp->rq_arg.head[0]; - return cp >= (char*)vec->iov_base - && cp <= (char*)vec->iov_base + vec->iov_len; -} - -static inline int -xdr_ressize_check(struct svc_rqst *rqstp, __be32 *p) -{ - struct kvec *vec = &rqstp->rq_res.head[0]; - char *cp = (char*)p; - - vec->iov_len = cp - (char*)vec->iov_base; - - return vec->iov_len <= PAGE_SIZE; -} - static inline void svc_free_res_pages(struct svc_rqst *rqstp) { while (rqstp->rq_next_page != rqstp->rq_respages) { @@ -394,7 +335,7 @@ struct svc_deferred_req { struct svc_process_info { union { - int (*dispatch)(struct svc_rqst *, __be32 *); + int (*dispatch)(struct svc_rqst *rqstp); struct { unsigned int lovers; unsigned int hivers; @@ -433,7 +374,7 @@ struct svc_version { u32 vs_vers; /* version number */ u32 vs_nproc; /* number of procedures */ const struct svc_procedure *vs_proc; /* per-procedure info */ - unsigned int *vs_count; /* call counts */ + unsigned long __percpu *vs_count; /* call counts */ u32 vs_xdrsize; /* xdrsize needed for this version */ /* Don't register with rpcbind */ @@ -446,7 +387,7 @@ struct svc_version { bool vs_need_cong_ctrl; /* Dispatch function */ - int (*vs_dispatch)(struct svc_rqst *, __be32 *); + int (*vs_dispatch)(struct svc_rqst *rqstp); }; /* @@ -540,9 +481,6 @@ static inline void svc_reserve_auth(struct svc_rqst *rqstp, int space) * svcxdr_init_decode - Prepare an xdr_stream for Call decoding * @rqstp: controlling server RPC transaction context * - * This function currently assumes the RPC header in rq_arg has - * already been decoded. Upon return, xdr->p points to the - * location of the upper layer header. */ static inline void svcxdr_init_decode(struct svc_rqst *rqstp) { @@ -550,11 +488,7 @@ static inline void svcxdr_init_decode(struct svc_rqst *rqstp) struct xdr_buf *buf = &rqstp->rq_arg; struct kvec *argv = buf->head; - /* - * svc_getnl() and friends do not keep the xdr_buf's ::len - * field up to date. Refresh that field before initializing - * the argument decoding stream. - */ + WARN_ON(buf->len != buf->head->iov_len + buf->page_len + buf->tail->iov_len); buf->len = buf->head->iov_len + buf->page_len + buf->tail->iov_len; xdr_init_decode(xdr, buf, argv->iov_base, NULL); @@ -577,12 +511,53 @@ static inline void svcxdr_init_encode(struct svc_rqst *rqstp) xdr->buf = buf; xdr->iov = resv; xdr->p = resv->iov_base + resv->iov_len; - xdr->end = resv->iov_base + PAGE_SIZE - rqstp->rq_auth_slack; + xdr->end = resv->iov_base + PAGE_SIZE; buf->len = resv->iov_len; xdr->page_ptr = buf->pages - 1; buf->buflen = PAGE_SIZE * (rqstp->rq_page_end - buf->pages); - buf->buflen -= rqstp->rq_auth_slack; xdr->rqst = NULL; } +/** + * svcxdr_set_auth_slack - + * @rqstp: RPC transaction + * @slack: buffer space to reserve for the transaction's security flavor + * + * Set the request's slack space requirement, and set aside that much + * space in the rqstp's rq_res.head for use when the auth wraps the Reply. + */ +static inline void svcxdr_set_auth_slack(struct svc_rqst *rqstp, int slack) +{ + struct xdr_stream *xdr = &rqstp->rq_res_stream; + struct xdr_buf *buf = &rqstp->rq_res; + struct kvec *resv = buf->head; + + rqstp->rq_auth_slack = slack; + + xdr->end -= XDR_QUADLEN(slack); + buf->buflen -= rqstp->rq_auth_slack; + + WARN_ON(xdr->iov != resv); + WARN_ON(xdr->p > xdr->end); +} + +/** + * svcxdr_set_accept_stat - Reserve space for the accept_stat field + * @rqstp: RPC transaction context + * + * Return values: + * %true: Success + * %false: No response buffer space was available + */ +static inline bool svcxdr_set_accept_stat(struct svc_rqst *rqstp) +{ + struct xdr_stream *xdr = &rqstp->rq_res_stream; + + rqstp->rq_accept_statp = xdr_reserve_space(xdr, XDR_UNIT); + if (unlikely(!rqstp->rq_accept_statp)) + return false; + *rqstp->rq_accept_statp = rpc_success; + return true; +} + #endif /* SUNRPC_SVC_H */ diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h index d42a75b3be10..775368802762 100644 --- a/include/linux/sunrpc/svc_xprt.h +++ b/include/linux/sunrpc/svc_xprt.h @@ -26,7 +26,6 @@ struct svc_xprt_ops { void (*xpo_release_rqst)(struct svc_rqst *); void (*xpo_detach)(struct svc_xprt *); void (*xpo_free)(struct svc_xprt *); - void (*xpo_secure_port)(struct svc_rqst *rqstp); void (*xpo_kill_temp_xprt)(struct svc_xprt *); void (*xpo_start_tls)(struct svc_xprt *); }; diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h index f84e2a1358e1..72014c9216fc 100644 --- a/include/linux/sunrpc/xdr.h +++ b/include/linux/sunrpc/xdr.h @@ -188,7 +188,6 @@ xdr_adjust_iovec(struct kvec *iov, __be32 *p) /* * XDR buffer helper functions */ -extern void xdr_shift_buf(struct xdr_buf *, size_t); extern void xdr_buf_from_iov(const struct kvec *, struct xdr_buf *); extern int xdr_buf_subsegment(const struct xdr_buf *, struct xdr_buf *, unsigned int, unsigned int); extern void xdr_buf_trim(struct xdr_buf *, unsigned int); @@ -247,6 +246,7 @@ extern int xdr_reserve_space_vec(struct xdr_stream *xdr, struct kvec *vec, size_t nbytes); extern void __xdr_commit_encode(struct xdr_stream *xdr); extern void xdr_truncate_encode(struct xdr_stream *xdr, size_t len); +extern void xdr_truncate_decode(struct xdr_stream *xdr, size_t len); extern int xdr_restrict_buflen(struct xdr_stream *xdr, int newbuflen); extern void xdr_write_pages(struct xdr_stream *xdr, struct page **pages, unsigned int base, unsigned int len); @@ -346,6 +346,11 @@ ssize_t xdr_stream_decode_string(struct xdr_stream *xdr, char *str, size_t size); ssize_t xdr_stream_decode_string_dup(struct xdr_stream *xdr, char **str, size_t maxlen, gfp_t gfp_flags); +ssize_t xdr_stream_decode_opaque_auth(struct xdr_stream *xdr, u32 *flavor, + void **body, unsigned int *body_len); +ssize_t xdr_stream_encode_opaque_auth(struct xdr_stream *xdr, u32 flavor, + void *body, unsigned int body_len); + /** * xdr_align_size - Calculate padded size of an object * @n: Size of an object being XDR encoded (in bytes) @@ -470,6 +475,27 @@ xdr_stream_encode_u32(struct xdr_stream *xdr, __u32 n) } /** + * xdr_stream_encode_be32 - Encode a big-endian 32-bit integer + * @xdr: pointer to xdr_stream + * @n: integer to encode + * + * Return values: + * On success, returns length in bytes of XDR buffer consumed + * %-EMSGSIZE on XDR buffer overflow + */ +static inline ssize_t +xdr_stream_encode_be32(struct xdr_stream *xdr, __be32 n) +{ + const size_t len = sizeof(n); + __be32 *p = xdr_reserve_space(xdr, len); + + if (unlikely(!p)) + return -EMSGSIZE; + *p = n; + return len; +} + +/** * xdr_stream_encode_u64 - Encode a 64-bit integer * @xdr: pointer to xdr_stream * @n: 64-bit integer to encode diff --git a/include/linux/surface_aggregator/controller.h b/include/linux/surface_aggregator/controller.h index d11a1c6e3186..cb7980805920 100644 --- a/include/linux/surface_aggregator/controller.h +++ b/include/linux/surface_aggregator/controller.h @@ -207,17 +207,17 @@ static inline int ssam_request_sync_wait(struct ssam_request_sync *rqst) return rqst->status; } -int ssam_request_sync(struct ssam_controller *ctrl, - const struct ssam_request *spec, - struct ssam_response *rsp); +int ssam_request_do_sync(struct ssam_controller *ctrl, + const struct ssam_request *spec, + struct ssam_response *rsp); -int ssam_request_sync_with_buffer(struct ssam_controller *ctrl, - const struct ssam_request *spec, - struct ssam_response *rsp, - struct ssam_span *buf); +int ssam_request_do_sync_with_buffer(struct ssam_controller *ctrl, + const struct ssam_request *spec, + struct ssam_response *rsp, + struct ssam_span *buf); /** - * ssam_request_sync_onstack - Execute a synchronous request on the stack. + * ssam_request_do_sync_onstack - Execute a synchronous request on the stack. * @ctrl: The controller via which the request is submitted. * @rqst: The request specification. * @rsp: The response buffer. @@ -227,7 +227,7 @@ int ssam_request_sync_with_buffer(struct ssam_controller *ctrl, * fully initializes it via the provided request specification, submits it, * and finally waits for its completion before returning its status. This * helper macro essentially allocates the request message buffer on the stack - * and then calls ssam_request_sync_with_buffer(). + * and then calls ssam_request_do_sync_with_buffer(). * * Note: The @payload_len parameter specifies the maximum payload length, used * for buffer allocation. The actual payload length may be smaller. @@ -235,12 +235,12 @@ int ssam_request_sync_with_buffer(struct ssam_controller *ctrl, * Return: Returns the status of the request or any failure during setup, i.e. * zero on success and a negative value on failure. */ -#define ssam_request_sync_onstack(ctrl, rqst, rsp, payload_len) \ +#define ssam_request_do_sync_onstack(ctrl, rqst, rsp, payload_len) \ ({ \ u8 __data[SSH_COMMAND_MESSAGE_LENGTH(payload_len)]; \ struct ssam_span __buf = { &__data[0], ARRAY_SIZE(__data) }; \ \ - ssam_request_sync_with_buffer(ctrl, rqst, rsp, &__buf); \ + ssam_request_do_sync_with_buffer(ctrl, rqst, rsp, &__buf); \ }) /** @@ -349,7 +349,7 @@ struct ssam_request_spec_md { * zero on success and negative on failure. The ``ctrl`` parameter is the * controller via which the request is being sent. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_N(name, spec...) \ @@ -366,7 +366,7 @@ struct ssam_request_spec_md { rqst.length = 0; \ rqst.payload = NULL; \ \ - return ssam_request_sync_onstack(ctrl, &rqst, NULL, 0); \ + return ssam_request_do_sync_onstack(ctrl, &rqst, NULL, 0); \ } /** @@ -389,7 +389,7 @@ struct ssam_request_spec_md { * parameter is the controller via which the request is sent. The request * argument is specified via the ``arg`` pointer. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_W(name, atype, spec...) \ @@ -406,8 +406,8 @@ struct ssam_request_spec_md { rqst.length = sizeof(atype); \ rqst.payload = (u8 *)arg; \ \ - return ssam_request_sync_onstack(ctrl, &rqst, NULL, \ - sizeof(atype)); \ + return ssam_request_do_sync_onstack(ctrl, &rqst, NULL, \ + sizeof(atype)); \ } /** @@ -430,7 +430,7 @@ struct ssam_request_spec_md { * the controller via which the request is sent. The request's return value is * written to the memory pointed to by the ``ret`` parameter. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_R(name, rtype, spec...) \ @@ -453,7 +453,7 @@ struct ssam_request_spec_md { rsp.length = 0; \ rsp.pointer = (u8 *)ret; \ \ - status = ssam_request_sync_onstack(ctrl, &rqst, &rsp, 0); \ + status = ssam_request_do_sync_onstack(ctrl, &rqst, &rsp, 0); \ if (status) \ return status; \ \ @@ -491,7 +491,7 @@ struct ssam_request_spec_md { * request argument is specified via the ``arg`` pointer. The request's return * value is written to the memory pointed to by the ``ret`` parameter. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_WR(name, atype, rtype, spec...) \ @@ -514,7 +514,7 @@ struct ssam_request_spec_md { rsp.length = 0; \ rsp.pointer = (u8 *)ret; \ \ - status = ssam_request_sync_onstack(ctrl, &rqst, &rsp, sizeof(atype)); \ + status = ssam_request_do_sync_onstack(ctrl, &rqst, &rsp, sizeof(atype)); \ if (status) \ return status; \ \ @@ -550,7 +550,7 @@ struct ssam_request_spec_md { * parameter is the controller via which the request is sent, ``tid`` the * target ID for the request, and ``iid`` the instance ID. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_MD_N(name, spec...) \ @@ -567,7 +567,7 @@ struct ssam_request_spec_md { rqst.length = 0; \ rqst.payload = NULL; \ \ - return ssam_request_sync_onstack(ctrl, &rqst, NULL, 0); \ + return ssam_request_do_sync_onstack(ctrl, &rqst, NULL, 0); \ } /** @@ -592,7 +592,7 @@ struct ssam_request_spec_md { * ``tid`` the target ID for the request, and ``iid`` the instance ID. The * request argument is specified via the ``arg`` pointer. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_MD_W(name, atype, spec...) \ @@ -609,7 +609,7 @@ struct ssam_request_spec_md { rqst.length = sizeof(atype); \ rqst.payload = (u8 *)arg; \ \ - return ssam_request_sync_onstack(ctrl, &rqst, NULL, \ + return ssam_request_do_sync_onstack(ctrl, &rqst, NULL, \ sizeof(atype)); \ } @@ -635,7 +635,7 @@ struct ssam_request_spec_md { * the target ID for the request, and ``iid`` the instance ID. The request's * return value is written to the memory pointed to by the ``ret`` parameter. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_MD_R(name, rtype, spec...) \ @@ -658,7 +658,7 @@ struct ssam_request_spec_md { rsp.length = 0; \ rsp.pointer = (u8 *)ret; \ \ - status = ssam_request_sync_onstack(ctrl, &rqst, &rsp, 0); \ + status = ssam_request_do_sync_onstack(ctrl, &rqst, &rsp, 0); \ if (status) \ return status; \ \ @@ -698,7 +698,7 @@ struct ssam_request_spec_md { * The request argument is specified via the ``arg`` pointer. The request's * return value is written to the memory pointed to by the ``ret`` parameter. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_MD_WR(name, atype, rtype, spec...) \ @@ -722,7 +722,7 @@ struct ssam_request_spec_md { rsp.length = 0; \ rsp.pointer = (u8 *)ret; \ \ - status = ssam_request_sync_onstack(ctrl, &rqst, &rsp, sizeof(atype)); \ + status = ssam_request_do_sync_onstack(ctrl, &rqst, &rsp, sizeof(atype)); \ if (status) \ return status; \ \ @@ -912,10 +912,10 @@ enum ssam_event_mask { }) #define SSAM_EVENT_REGISTRY_SAM \ - SSAM_EVENT_REGISTRY(SSAM_SSH_TC_SAM, 0x01, 0x0b, 0x0c) + SSAM_EVENT_REGISTRY(SSAM_SSH_TC_SAM, SSAM_SSH_TID_SAM, 0x0b, 0x0c) #define SSAM_EVENT_REGISTRY_KIP \ - SSAM_EVENT_REGISTRY(SSAM_SSH_TC_KIP, 0x02, 0x27, 0x28) + SSAM_EVENT_REGISTRY(SSAM_SSH_TC_KIP, SSAM_SSH_TID_KIP, 0x27, 0x28) #define SSAM_EVENT_REGISTRY_REG(tid)\ SSAM_EVENT_REGISTRY(SSAM_SSH_TC_REG, tid, 0x01, 0x02) diff --git a/include/linux/surface_aggregator/device.h b/include/linux/surface_aggregator/device.h index 46c45d1b6368..df81043b9e71 100644 --- a/include/linux/surface_aggregator/device.h +++ b/include/linux/surface_aggregator/device.h @@ -68,9 +68,9 @@ struct ssam_device_uid { * match_flags member of the device ID structure. Do not use them directly * with struct ssam_device_id or struct ssam_device_uid. */ -#define SSAM_ANY_TID 0xffff -#define SSAM_ANY_IID 0xffff -#define SSAM_ANY_FUN 0xffff +#define SSAM_SSH_TID_ANY 0xffff +#define SSAM_SSH_IID_ANY 0xffff +#define SSAM_SSH_FUN_ANY 0xffff /** * SSAM_DEVICE() - Initialize a &struct ssam_device_id with the given @@ -83,25 +83,25 @@ struct ssam_device_uid { * * Initializes a &struct ssam_device_id with the given parameters. See &struct * ssam_device_uid for details regarding the parameters. The special values - * %SSAM_ANY_TID, %SSAM_ANY_IID, and %SSAM_ANY_FUN can be used to specify that + * %SSAM_SSH_TID_ANY, %SSAM_SSH_IID_ANY, and %SSAM_SSH_FUN_ANY can be used to specify that * matching should ignore target ID, instance ID, and/or sub-function, * respectively. This macro initializes the ``match_flags`` field based on the * given parameters. * * Note: The parameters @d and @cat must be valid &u8 values, the parameters - * @tid, @iid, and @fun must be either valid &u8 values or %SSAM_ANY_TID, - * %SSAM_ANY_IID, or %SSAM_ANY_FUN, respectively. Other non-&u8 values are not + * @tid, @iid, and @fun must be either valid &u8 values or %SSAM_SSH_TID_ANY, + * %SSAM_SSH_IID_ANY, or %SSAM_SSH_FUN_ANY, respectively. Other non-&u8 values are not * allowed. */ #define SSAM_DEVICE(d, cat, tid, iid, fun) \ - .match_flags = (((tid) != SSAM_ANY_TID) ? SSAM_MATCH_TARGET : 0) \ - | (((iid) != SSAM_ANY_IID) ? SSAM_MATCH_INSTANCE : 0) \ - | (((fun) != SSAM_ANY_FUN) ? SSAM_MATCH_FUNCTION : 0), \ + .match_flags = (((tid) != SSAM_SSH_TID_ANY) ? SSAM_MATCH_TARGET : 0) \ + | (((iid) != SSAM_SSH_IID_ANY) ? SSAM_MATCH_INSTANCE : 0) \ + | (((fun) != SSAM_SSH_FUN_ANY) ? SSAM_MATCH_FUNCTION : 0), \ .domain = d, \ .category = cat, \ - .target = __builtin_choose_expr((tid) != SSAM_ANY_TID, (tid), 0), \ - .instance = __builtin_choose_expr((iid) != SSAM_ANY_IID, (iid), 0), \ - .function = __builtin_choose_expr((fun) != SSAM_ANY_FUN, (fun), 0) + .target = __builtin_choose_expr((tid) != SSAM_SSH_TID_ANY, (tid), 0), \ + .instance = __builtin_choose_expr((iid) != SSAM_SSH_IID_ANY, (iid), 0), \ + .function = __builtin_choose_expr((fun) != SSAM_SSH_FUN_ANY, (fun), 0) /** * SSAM_VDEV() - Initialize a &struct ssam_device_id as virtual device with @@ -113,18 +113,18 @@ struct ssam_device_uid { * * Initializes a &struct ssam_device_id with the given parameters in the * virtual domain. See &struct ssam_device_uid for details regarding the - * parameters. The special values %SSAM_ANY_TID, %SSAM_ANY_IID, and - * %SSAM_ANY_FUN can be used to specify that matching should ignore target ID, + * parameters. The special values %SSAM_SSH_TID_ANY, %SSAM_SSH_IID_ANY, and + * %SSAM_SSH_FUN_ANY can be used to specify that matching should ignore target ID, * instance ID, and/or sub-function, respectively. This macro initializes the * ``match_flags`` field based on the given parameters. * * Note: The parameter @cat must be a valid &u8 value, the parameters @tid, - * @iid, and @fun must be either valid &u8 values or %SSAM_ANY_TID, - * %SSAM_ANY_IID, or %SSAM_ANY_FUN, respectively. Other non-&u8 values are not + * @iid, and @fun must be either valid &u8 values or %SSAM_SSH_TID_ANY, + * %SSAM_SSH_IID_ANY, or %SSAM_SSH_FUN_ANY, respectively. Other non-&u8 values are not * allowed. */ #define SSAM_VDEV(cat, tid, iid, fun) \ - SSAM_DEVICE(SSAM_DOMAIN_VIRTUAL, SSAM_VIRTUAL_TC_##cat, tid, iid, fun) + SSAM_DEVICE(SSAM_DOMAIN_VIRTUAL, SSAM_VIRTUAL_TC_##cat, SSAM_SSH_TID_##tid, iid, fun) /** * SSAM_SDEV() - Initialize a &struct ssam_device_id as physical SSH device @@ -136,18 +136,18 @@ struct ssam_device_uid { * * Initializes a &struct ssam_device_id with the given parameters in the SSH * domain. See &struct ssam_device_uid for details regarding the parameters. - * The special values %SSAM_ANY_TID, %SSAM_ANY_IID, and %SSAM_ANY_FUN can be - * used to specify that matching should ignore target ID, instance ID, and/or - * sub-function, respectively. This macro initializes the ``match_flags`` - * field based on the given parameters. + * The special values %SSAM_SSH_TID_ANY, %SSAM_SSH_IID_ANY, and + * %SSAM_SSH_FUN_ANY can be used to specify that matching should ignore target + * ID, instance ID, and/or sub-function, respectively. This macro initializes + * the ``match_flags`` field based on the given parameters. * * Note: The parameter @cat must be a valid &u8 value, the parameters @tid, - * @iid, and @fun must be either valid &u8 values or %SSAM_ANY_TID, - * %SSAM_ANY_IID, or %SSAM_ANY_FUN, respectively. Other non-&u8 values are not - * allowed. + * @iid, and @fun must be either valid &u8 values or %SSAM_SSH_TID_ANY, + * %SSAM_SSH_IID_ANY, or %SSAM_SSH_FUN_ANY, respectively. Other non-&u8 values + * are not allowed. */ #define SSAM_SDEV(cat, tid, iid, fun) \ - SSAM_DEVICE(SSAM_DOMAIN_SERIALHUB, SSAM_SSH_TC_##cat, tid, iid, fun) + SSAM_DEVICE(SSAM_DOMAIN_SERIALHUB, SSAM_SSH_TC_##cat, SSAM_SSH_TID_##tid, iid, fun) /* * enum ssam_device_flags - Flags for SSAM client devices. @@ -229,10 +229,7 @@ static inline bool is_ssam_device(struct device *d) * Return: Returns a pointer to the &struct ssam_device wrapping the given * device @d. */ -static inline struct ssam_device *to_ssam_device(struct device *d) -{ - return container_of(d, struct ssam_device, dev); -} +#define to_ssam_device(d) container_of_const(d, struct ssam_device, dev) /** * to_ssam_device_driver() - Casts the given device driver to a SSAM client @@ -456,7 +453,7 @@ static inline int ssam_device_register_clients(struct ssam_device *sdev) * device of the request and by association the controller via which the * request is sent. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_CL_N(name, spec...) \ @@ -490,7 +487,7 @@ static inline int ssam_device_register_clients(struct ssam_device *sdev) * which the request is sent. The request's argument is specified via the * ``arg`` pointer. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_CL_W(name, atype, spec...) \ @@ -524,7 +521,7 @@ static inline int ssam_device_register_clients(struct ssam_device *sdev) * the request is sent. The request's return value is written to the memory * pointed to by the ``ret`` parameter. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_CL_R(name, rtype, spec...) \ @@ -560,7 +557,7 @@ static inline int ssam_device_register_clients(struct ssam_device *sdev) * specified via the ``arg`` pointer. The request's return value is written to * the memory pointed to by the ``ret`` parameter. * - * Refer to ssam_request_sync_onstack() for more details on the behavior of + * Refer to ssam_request_do_sync_onstack() for more details on the behavior of * the generated function. */ #define SSAM_DEFINE_SYNC_REQUEST_CL_WR(name, atype, rtype, spec...) \ diff --git a/include/linux/surface_aggregator/serial_hub.h b/include/linux/surface_aggregator/serial_hub.h index 45501b6e54e8..5c4ae1a26183 100644 --- a/include/linux/surface_aggregator/serial_hub.h +++ b/include/linux/surface_aggregator/serial_hub.h @@ -83,23 +83,21 @@ enum ssh_payload_type { /** * struct ssh_command - Payload of a command-type frame. - * @type: The type of the payload. See &enum ssh_payload_type. Should be - * SSH_PLD_TYPE_CMD for this struct. - * @tc: Command target category. - * @tid_out: Output target ID. Should be zero if this an incoming (EC to host) - * message. - * @tid_in: Input target ID. Should be zero if this is an outgoing (host to - * EC) message. - * @iid: Instance ID. - * @rqid: Request ID. Used to match requests with responses and differentiate - * between responses and events. - * @cid: Command ID. + * @type: The type of the payload. See &enum ssh_payload_type. Should be + * SSH_PLD_TYPE_CMD for this struct. + * @tc: Command target category. + * @tid: Target ID. Indicates the target of the message. + * @sid: Source ID. Indicates the source of the message. + * @iid: Instance ID. + * @rqid: Request ID. Used to match requests with responses and differentiate + * between responses and events. + * @cid: Command ID. */ struct ssh_command { u8 type; u8 tc; - u8 tid_out; - u8 tid_in; + u8 tid; + u8 sid; u8 iid; __le16 rqid; u8 cid; @@ -280,6 +278,22 @@ struct ssam_span { size_t len; }; +/** + * enum ssam_ssh_tid - Target/source IDs for Serial Hub messages. + * @SSAM_SSH_TID_HOST: We as the kernel Serial Hub driver. + * @SSAM_SSH_TID_SAM: The Surface Aggregator EC. + * @SSAM_SSH_TID_KIP: Keyboard and perihperal controller. + * @SSAM_SSH_TID_DEBUG: Debug connector. + * @SSAM_SSH_TID_SURFLINK: SurfLink connector. + */ +enum ssam_ssh_tid { + SSAM_SSH_TID_HOST = 0x00, + SSAM_SSH_TID_SAM = 0x01, + SSAM_SSH_TID_KIP = 0x02, + SSAM_SSH_TID_DEBUG = 0x03, + SSAM_SSH_TID_SURFLINK = 0x04, +}; + /* * Known SSH/EC target categories. * diff --git a/include/linux/swap.h b/include/linux/swap.h index 0ceed49516ad..209a425739a9 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -401,8 +401,8 @@ extern void lru_add_drain(void); extern void lru_add_drain_cpu(int cpu); extern void lru_add_drain_cpu_zone(struct zone *zone); extern void lru_add_drain_all(void); -extern void deactivate_page(struct page *page); -extern void mark_page_lazyfree(struct page *page); +void folio_deactivate(struct folio *folio); +void folio_mark_lazyfree(struct folio *folio); extern void swap_setup(void); extern void lru_cache_add_inactive_or_unevictable(struct page *page, diff --git a/include/linux/swapops.h b/include/linux/swapops.h index b982dd614572..3a451b7afcb3 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -337,7 +337,8 @@ extern void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep, extern void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, unsigned long address); #ifdef CONFIG_HUGETLB_PAGE -extern void __migration_entry_wait_huge(pte_t *ptep, spinlock_t *ptl); +extern void __migration_entry_wait_huge(struct vm_area_struct *vma, + pte_t *ptep, spinlock_t *ptl); extern void migration_entry_wait_huge(struct vm_area_struct *vma, pte_t *pte); #endif /* CONFIG_HUGETLB_PAGE */ #else /* CONFIG_MIGRATION */ @@ -366,7 +367,8 @@ static inline void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep, static inline void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, unsigned long address) { } #ifdef CONFIG_HUGETLB_PAGE -static inline void __migration_entry_wait_huge(pte_t *ptep, spinlock_t *ptl) { } +static inline void __migration_entry_wait_huge(struct vm_area_struct *vma, + pte_t *ptep, spinlock_t *ptl) { } static inline void migration_entry_wait_huge(struct vm_area_struct *vma, pte_t *pte) { } #endif /* CONFIG_HUGETLB_PAGE */ static inline int is_writable_migration_entry(swp_entry_t entry) diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 35bc4e281c21..bcef10e20ea4 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -121,7 +121,6 @@ static inline bool is_swiotlb_force_bounce(struct device *dev) void swiotlb_init(bool addressing_limited, unsigned int flags); void __init swiotlb_exit(void); -unsigned int swiotlb_max_segment(void); size_t swiotlb_max_mapping_size(struct device *dev); bool is_swiotlb_active(struct device *dev); void __init swiotlb_adjust_size(unsigned long size); @@ -140,10 +139,6 @@ static inline bool is_swiotlb_force_bounce(struct device *dev) static inline void swiotlb_exit(void) { } -static inline unsigned int swiotlb_max_segment(void) -{ - return 0; -} static inline size_t swiotlb_max_mapping_size(struct device *dev) { return SIZE_MAX; diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 5e093602e8fc..2bb4bf33f4f3 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -334,6 +334,25 @@ static inline void devm_thermal_of_zone_unregister(struct device *dev, } #endif +int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id, + struct thermal_trip *trip); +int thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id, + struct thermal_trip *trip); + +int thermal_zone_set_trip(struct thermal_zone_device *tz, int trip_id, + const struct thermal_trip *trip); + +int thermal_zone_get_num_trips(struct thermal_zone_device *tz); + +int thermal_zone_get_crit_temp(struct thermal_zone_device *tz, int *temp); + +#ifdef CONFIG_THERMAL_ACPI +int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); +int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); +int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); +int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); +#endif + #ifdef CONFIG_THERMAL struct thermal_zone_device *thermal_zone_device_register(const char *, int, int, void *, struct thermal_zone_device_ops *, diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 9f392ec76f2b..c02646884fa8 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -177,7 +177,23 @@ static __always_inline unsigned long read_ti_thread_flags(struct thread_info *ti clear_ti_thread_flag(task_thread_info(t), TIF_##fl) #endif /* !CONFIG_GENERIC_ENTRY */ -#define tif_need_resched() test_thread_flag(TIF_NEED_RESCHED) +#ifdef _ASM_GENERIC_BITOPS_INSTRUMENTED_NON_ATOMIC_H + +static __always_inline bool tif_need_resched(void) +{ + return arch_test_bit(TIF_NEED_RESCHED, + (unsigned long *)(¤t_thread_info()->flags)); +} + +#else + +static __always_inline bool tif_need_resched(void) +{ + return test_bit(TIF_NEED_RESCHED, + (unsigned long *)(¤t_thread_info()->flags)); +} + +#endif /* _ASM_GENERIC_BITOPS_INSTRUMENTED_NON_ATOMIC_H */ #ifndef CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES static inline int arch_within_stack_frames(const void * const stack, diff --git a/include/linux/topology.h b/include/linux/topology.h index 4564faafd0e1..fea32377f7c7 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -245,5 +245,38 @@ static inline const struct cpumask *cpu_cpu_mask(int cpu) return cpumask_of_node(cpu_to_node(cpu)); } +#ifdef CONFIG_NUMA +int sched_numa_find_nth_cpu(const struct cpumask *cpus, int cpu, int node); +extern const struct cpumask *sched_numa_hop_mask(unsigned int node, unsigned int hops); +#else +static __always_inline int sched_numa_find_nth_cpu(const struct cpumask *cpus, int cpu, int node) +{ + return cpumask_nth(cpu, cpus); +} + +static inline const struct cpumask * +sched_numa_hop_mask(unsigned int node, unsigned int hops) +{ + return ERR_PTR(-EOPNOTSUPP); +} +#endif /* CONFIG_NUMA */ + +/** + * for_each_numa_hop_mask - iterate over cpumasks of increasing NUMA distance + * from a given node. + * @mask: the iteration variable. + * @node: the NUMA node to start the search from. + * + * Requires rcu_lock to be held. + * + * Yields cpu_online_mask for @node == NUMA_NO_NODE. + */ +#define for_each_numa_hop_mask(mask, node) \ + for (unsigned int __hops = 0; \ + mask = (node != NUMA_NO_NODE || __hops) ? \ + sched_numa_hop_mask(node, __hops) : \ + cpu_online_mask, \ + !IS_ERR_OR_NULL(mask); \ + __hops++) #endif /* _LINUX_TOPOLOGY_H */ diff --git a/include/linux/tpm.h b/include/linux/tpm.h index dfeb25a0362d..4dc97b9f65fb 100644 --- a/include/linux/tpm.h +++ b/include/linux/tpm.h @@ -265,6 +265,7 @@ enum tpm2_startup_types { enum tpm2_cc_attrs { TPM2_CC_ATTR_CHANDLES = 25, TPM2_CC_ATTR_RHANDLE = 28, + TPM2_CC_ATTR_VENDOR = 29, }; #define TPM_VID_INTEL 0x8086 diff --git a/include/linux/trace.h b/include/linux/trace.h index 80ffda871749..2a70a447184c 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -33,6 +33,18 @@ struct trace_array; int register_ftrace_export(struct trace_export *export); int unregister_ftrace_export(struct trace_export *export); +/** + * trace_array_puts - write a constant string into the trace buffer. + * @tr: The trace array to write to + * @str: The constant string to write + */ +#define trace_array_puts(tr, str) \ + ({ \ + str ? __trace_array_puts(tr, _THIS_IP_, str, strlen(str)) : -1; \ + }) +int __trace_array_puts(struct trace_array *tr, unsigned long ip, + const char *str, int size); + void trace_printk_init_buffers(void); __printf(3, 4) int trace_array_printk(struct trace_array *tr, unsigned long ip, diff --git a/include/linux/trace_recursion.h b/include/linux/trace_recursion.h index c303f7a114e9..d48cd92d2364 100644 --- a/include/linux/trace_recursion.h +++ b/include/linux/trace_recursion.h @@ -135,6 +135,21 @@ extern void ftrace_record_recursion(unsigned long ip, unsigned long parent_ip); # define do_ftrace_record_recursion(ip, pip) do { } while (0) #endif +#ifdef CONFIG_ARCH_WANTS_NO_INSTR +# define trace_warn_on_no_rcu(ip) \ + ({ \ + bool __ret = !rcu_is_watching(); \ + if (__ret && !trace_recursion_test(TRACE_RECORD_RECURSION_BIT)) { \ + trace_recursion_set(TRACE_RECORD_RECURSION_BIT); \ + WARN_ONCE(true, "RCU not on for: %pS\n", (void *)ip); \ + trace_recursion_clear(TRACE_RECORD_RECURSION_BIT); \ + } \ + __ret; \ + }) +#else +# define trace_warn_on_no_rcu(ip) false +#endif + /* * Preemption is promised to be disabled when return bit >= 0. */ @@ -144,6 +159,9 @@ static __always_inline int trace_test_and_set_recursion(unsigned long ip, unsign unsigned int val = READ_ONCE(current->trace_recursion); int bit; + if (trace_warn_on_no_rcu(ip)) + return -1; + bit = trace_get_context_bit() + start; if (unlikely(val & (1 << bit))) { /* diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h index 0c4c7587d6c3..6be92bf559fe 100644 --- a/include/linux/trace_seq.h +++ b/include/linux/trace_seq.h @@ -95,6 +95,7 @@ extern void trace_seq_bitmask(struct trace_seq *s, const unsigned long *maskp, extern int trace_seq_hex_dump(struct trace_seq *s, const char *prefix_str, int prefix_type, int rowsize, int groupsize, const void *buf, size_t len, bool ascii); +char *trace_seq_acquire(struct trace_seq *s, unsigned int len); #else /* CONFIG_TRACING */ static inline __printf(2, 3) @@ -139,6 +140,10 @@ static inline int trace_seq_path(struct trace_seq *s, const struct path *path) { return 0; } +static inline char *trace_seq_acquire(struct trace_seq *s, unsigned int len) +{ + return NULL; +} #endif /* CONFIG_TRACING */ #endif /* _LINUX_TRACE_SEQ_H */ diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 4b33b95eb8be..e299f29375bb 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -178,6 +178,17 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) #endif /* CONFIG_HAVE_STATIC_CALL */ /* + * ARCH_WANTS_NO_INSTR archs are expected to have sanitized entry and idle + * code that disallow any/all tracing/instrumentation when RCU isn't watching. + */ +#ifdef CONFIG_ARCH_WANTS_NO_INSTR +#define RCUIDLE_COND(rcuidle) (rcuidle) +#else +/* srcu can't be used from NMI */ +#define RCUIDLE_COND(rcuidle) (rcuidle && in_nmi()) +#endif + +/* * it_func[0] is never NULL because there is at least one element in the array * when the array itself is non NULL. */ @@ -188,8 +199,8 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) if (!(cond)) \ return; \ \ - /* srcu can't be used from NMI */ \ - WARN_ON_ONCE(rcuidle && in_nmi()); \ + if (WARN_ON_ONCE(RCUIDLE_COND(rcuidle))) \ + return; \ \ /* keep srcu and sched-rcu usage consistent */ \ preempt_disable_notrace(); \ @@ -471,7 +482,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) * * This is how the trace record is structured and will * * be saved into the ring buffer. These are the fields * * that will be exposed to user-space in - * * /sys/kernel/debug/tracing/events/<*>/format. + * * /sys/kernel/tracing/events/<*>/format. * * * * The declared 'local variable' is called '__entry' * * @@ -531,7 +542,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) * tracepoint callback (this is used by programmatic plugins and * can also by used by generic instrumentation like SystemTap), and * it is also used to expose a structured trace record in - * /sys/kernel/debug/tracing/events/. + * /sys/kernel/tracing/events/. * * A set of (un)registration functions can be passed to the variant * TRACE_EVENT_FN to perform any (un)registration work. diff --git a/include/linux/transport_class.h b/include/linux/transport_class.h index 63076fb835e3..2efc271a96fa 100644 --- a/include/linux/transport_class.h +++ b/include/linux/transport_class.h @@ -70,8 +70,14 @@ void transport_destroy_device(struct device *); static inline int transport_register_device(struct device *dev) { + int ret; + transport_setup_device(dev); - return transport_add_device(dev); + ret = transport_add_device(dev); + if (ret) + transport_destroy_device(dev); + + return ret; } static inline void diff --git a/include/linux/tty.h b/include/linux/tty.h index 730c3301d710..093935e97f42 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -453,7 +453,7 @@ unsigned char tty_get_char_size(unsigned int cflag); unsigned char tty_get_frame_size(unsigned int cflag); void tty_termios_copy_hw(struct ktermios *new, const struct ktermios *old); -int tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b); +bool tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b); int tty_set_termios(struct tty_struct *tty, struct ktermios *kt); void tty_wakeup(struct tty_struct *tty); diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index dcb61ec11424..49dc172dedc7 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -170,7 +170,7 @@ int ldsem_down_write_nested(struct ld_semaphore *sem, int subclass, * send, please arise a tasklet or workqueue to do the real data transfer. * Do not send data in this hook, it may lead to a deadlock. * - * @dcd_change: [DRV] ``void ()(struct tty_struct *tty, unsigned int status)`` + * @dcd_change: [DRV] ``void ()(struct tty_struct *tty, bool active)`` * * Tells the discipline that the DCD pin has changed its status. Used * exclusively by the %N_PPS (Pulse-Per-Second) line discipline. @@ -238,7 +238,7 @@ struct tty_ldisc_ops { void (*receive_buf)(struct tty_struct *tty, const unsigned char *cp, const char *fp, int count); void (*write_wakeup)(struct tty_struct *tty); - void (*dcd_change)(struct tty_struct *tty, unsigned int status); + void (*dcd_change)(struct tty_struct *tty, bool active); int (*receive_buf2)(struct tty_struct *tty, const unsigned char *cp, const char *fp, int count); void (*lookahead_buf)(struct tty_struct *tty, const unsigned char *cp, diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h index fa3c3bdaa234..edf685a24f7c 100644 --- a/include/linux/tty_port.h +++ b/include/linux/tty_port.h @@ -15,8 +15,8 @@ struct tty_struct; /** * struct tty_port_operations -- operations on tty_port - * @carrier_raised: return 1 if the carrier is raised on @port - * @dtr_rts: raise the DTR line if @raise is nonzero, otherwise lower DTR + * @carrier_raised: return true if the carrier is raised on @port + * @dtr_rts: raise the DTR line if @active is true, otherwise lower DTR * @shutdown: called when the last close completes or a hangup finishes IFF the * port was initialized. Do not use to free resources. Turn off the device * only. Called under the port mutex to serialize against @activate and @@ -31,8 +31,8 @@ struct tty_struct; * the port itself. */ struct tty_port_operations { - int (*carrier_raised)(struct tty_port *port); - void (*dtr_rts)(struct tty_port *port, int raise); + bool (*carrier_raised)(struct tty_port *port); + void (*dtr_rts)(struct tty_port *port, bool active); void (*shutdown)(struct tty_port *port); int (*activate)(struct tty_port *port, struct tty_struct *tty); void (*destruct)(struct tty_port *port); @@ -230,7 +230,7 @@ static inline void tty_port_set_kopened(struct tty_port *port, bool val) struct tty_struct *tty_port_tty_get(struct tty_port *port); void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty); -int tty_port_carrier_raised(struct tty_port *port); +bool tty_port_carrier_raised(struct tty_port *port); void tty_port_raise_dtr_rts(struct tty_port *port); void tty_port_lower_dtr_rts(struct tty_port *port); void tty_port_hangup(struct tty_port *port); diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h index 46040d66334a..ffe48e69b3f3 100644 --- a/include/linux/u64_stats_sync.h +++ b/include/linux/u64_stats_sync.h @@ -213,16 +213,4 @@ static inline bool u64_stats_fetch_retry(const struct u64_stats_sync *syncp, return __u64_stats_fetch_retry(syncp, start); } -/* Obsolete interfaces */ -static inline unsigned int u64_stats_fetch_begin_irq(const struct u64_stats_sync *syncp) -{ - return u64_stats_fetch_begin(syncp); -} - -static inline bool u64_stats_fetch_retry_irq(const struct u64_stats_sync *syncp, - unsigned int start) -{ - return u64_stats_fetch_retry(syncp, start); -} - #endif /* _LINUX_U64_STATS_SYNC_H */ diff --git a/include/linux/uacce.h b/include/linux/uacce.h index 9ce88c28b0a8..0a81c3dfd26c 100644 --- a/include/linux/uacce.h +++ b/include/linux/uacce.h @@ -8,6 +8,7 @@ #define UACCE_NAME "uacce" #define UACCE_MAX_REGION 2 #define UACCE_MAX_NAME_SIZE 64 +#define UACCE_MAX_ERR_THRESHOLD 65535 struct uacce_queue; struct uacce_device; @@ -30,6 +31,9 @@ struct uacce_qfile_region { * @is_q_updated: check whether the task is finished * @mmap: mmap addresses of queue to user space * @ioctl: ioctl for user space users of the queue + * @get_isolate_state: get the device state after set the isolate strategy + * @isolate_err_threshold_write: stored the isolate error threshold to the device + * @isolate_err_threshold_read: read the isolate error threshold value from the device */ struct uacce_ops { int (*get_available_instances)(struct uacce_device *uacce); @@ -43,6 +47,9 @@ struct uacce_ops { struct uacce_qfile_region *qfr); long (*ioctl)(struct uacce_queue *q, unsigned int cmd, unsigned long arg); + enum uacce_dev_state (*get_isolate_state)(struct uacce_device *uacce); + int (*isolate_err_threshold_write)(struct uacce_device *uacce, u32 num); + u32 (*isolate_err_threshold_read)(struct uacce_device *uacce); }; /** @@ -57,6 +64,11 @@ struct uacce_interface { const struct uacce_ops *ops; }; +enum uacce_dev_state { + UACCE_DEV_NORMAL, + UACCE_DEV_ISOLATE, +}; + enum uacce_q_state { UACCE_Q_ZOMBIE = 0, UACCE_Q_INIT, diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index afb18f198843..ab9728138ad6 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -329,6 +329,10 @@ copy_struct_from_user(void *dst, size_t ksize, const void __user *src, size_t size = min(ksize, usize); size_t rest = max(ksize, usize) - size; + /* Double check if ksize is larger than a known object size. */ + if (WARN_ON_ONCE(ksize > __builtin_object_size(dst, 1))) + return -E2BIG; + /* Deal with trailing bytes. */ if (usize < ksize) { memset(dst + size, 0, rest); diff --git a/include/linux/ubsan.h b/include/linux/ubsan.h new file mode 100644 index 000000000000..bff7445498de --- /dev/null +++ b/include/linux/ubsan.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_UBSAN_H +#define _LINUX_UBSAN_H + +#ifdef CONFIG_UBSAN_TRAP +const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type); +#endif + +#endif diff --git a/include/linux/ucb1400.h b/include/linux/ucb1400.h deleted file mode 100644 index 2516082cd3a9..000000000000 --- a/include/linux/ucb1400.h +++ /dev/null @@ -1,160 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Register definitions and functions for: - * Philips UCB1400 driver - * - * Based on ucb1400_ts: - * Author: Nicolas Pitre - * Created: September 25, 2006 - * Copyright: MontaVista Software, Inc. - * - * Spliting done by: Marek Vasut <marek.vasut@gmail.com> - * If something doesn't work and it worked before spliting, e-mail me, - * dont bother Nicolas please ;-) - * - * This code is heavily based on ucb1x00-*.c copyrighted by Russell King - * covering the UCB1100, UCB1200 and UCB1300.. Support for the UCB1400 has - * been made separate from ucb1x00-core/ucb1x00-ts on Russell's request. - */ - -#ifndef _LINUX__UCB1400_H -#define _LINUX__UCB1400_H - -#include <sound/ac97_codec.h> -#include <linux/mutex.h> -#include <linux/platform_device.h> -#include <linux/gpio/driver.h> - -/* - * UCB1400 AC-link registers - */ - -#define UCB_IO_DATA 0x5a -#define UCB_IO_DIR 0x5c -#define UCB_IE_RIS 0x5e -#define UCB_IE_FAL 0x60 -#define UCB_IE_STATUS 0x62 -#define UCB_IE_CLEAR 0x62 -#define UCB_IE_ADC (1 << 11) -#define UCB_IE_TSPX (1 << 12) - -#define UCB_TS_CR 0x64 -#define UCB_TS_CR_TSMX_POW (1 << 0) -#define UCB_TS_CR_TSPX_POW (1 << 1) -#define UCB_TS_CR_TSMY_POW (1 << 2) -#define UCB_TS_CR_TSPY_POW (1 << 3) -#define UCB_TS_CR_TSMX_GND (1 << 4) -#define UCB_TS_CR_TSPX_GND (1 << 5) -#define UCB_TS_CR_TSMY_GND (1 << 6) -#define UCB_TS_CR_TSPY_GND (1 << 7) -#define UCB_TS_CR_MODE_INT (0 << 8) -#define UCB_TS_CR_MODE_PRES (1 << 8) -#define UCB_TS_CR_MODE_POS (2 << 8) -#define UCB_TS_CR_BIAS_ENA (1 << 11) -#define UCB_TS_CR_TSPX_LOW (1 << 12) -#define UCB_TS_CR_TSMX_LOW (1 << 13) - -#define UCB_ADC_CR 0x66 -#define UCB_ADC_SYNC_ENA (1 << 0) -#define UCB_ADC_VREFBYP_CON (1 << 1) -#define UCB_ADC_INP_TSPX (0 << 2) -#define UCB_ADC_INP_TSMX (1 << 2) -#define UCB_ADC_INP_TSPY (2 << 2) -#define UCB_ADC_INP_TSMY (3 << 2) -#define UCB_ADC_INP_AD0 (4 << 2) -#define UCB_ADC_INP_AD1 (5 << 2) -#define UCB_ADC_INP_AD2 (6 << 2) -#define UCB_ADC_INP_AD3 (7 << 2) -#define UCB_ADC_EXT_REF (1 << 5) -#define UCB_ADC_START (1 << 7) -#define UCB_ADC_ENA (1 << 15) - -#define UCB_ADC_DATA 0x68 -#define UCB_ADC_DAT_VALID (1 << 15) - -#define UCB_FCSR 0x6c -#define UCB_FCSR_AVE (1 << 12) - -#define UCB_ADC_DAT_MASK 0x3ff - -#define UCB_ID 0x7e -#define UCB_ID_1400 0x4304 - -struct ucb1400_gpio { - struct gpio_chip gc; - struct snd_ac97 *ac97; - int gpio_offset; -}; - -struct ucb1400_ts { - struct input_dev *ts_idev; - int id; - int irq; - struct snd_ac97 *ac97; - wait_queue_head_t ts_wait; - bool stopped; -}; - -struct ucb1400 { - struct platform_device *ucb1400_ts; - struct platform_device *ucb1400_gpio; -}; - -struct ucb1400_pdata { - int irq; - int gpio_offset; - int (*gpio_setup)(struct device *dev, int ngpio); - int (*gpio_teardown)(struct device *dev, int ngpio); -}; - -static inline u16 ucb1400_reg_read(struct snd_ac97 *ac97, u16 reg) -{ - return ac97->bus->ops->read(ac97, reg); -} - -static inline void ucb1400_reg_write(struct snd_ac97 *ac97, u16 reg, u16 val) -{ - ac97->bus->ops->write(ac97, reg, val); -} - -static inline u16 ucb1400_gpio_get_value(struct snd_ac97 *ac97, u16 gpio) -{ - return ucb1400_reg_read(ac97, UCB_IO_DATA) & (1 << gpio); -} - -static inline void ucb1400_gpio_set_value(struct snd_ac97 *ac97, u16 gpio, - u16 val) -{ - ucb1400_reg_write(ac97, UCB_IO_DATA, val ? - ucb1400_reg_read(ac97, UCB_IO_DATA) | (1 << gpio) : - ucb1400_reg_read(ac97, UCB_IO_DATA) & ~(1 << gpio)); -} - -static inline u16 ucb1400_gpio_get_direction(struct snd_ac97 *ac97, u16 gpio) -{ - return ucb1400_reg_read(ac97, UCB_IO_DIR) & (1 << gpio); -} - -static inline void ucb1400_gpio_set_direction(struct snd_ac97 *ac97, u16 gpio, - u16 dir) -{ - ucb1400_reg_write(ac97, UCB_IO_DIR, dir ? - ucb1400_reg_read(ac97, UCB_IO_DIR) | (1 << gpio) : - ucb1400_reg_read(ac97, UCB_IO_DIR) & ~(1 << gpio)); -} - -static inline void ucb1400_adc_enable(struct snd_ac97 *ac97) -{ - ucb1400_reg_write(ac97, UCB_ADC_CR, UCB_ADC_ENA); -} - -static inline void ucb1400_adc_disable(struct snd_ac97 *ac97) -{ - ucb1400_reg_write(ac97, UCB_ADC_CR, 0); -} - - -unsigned int ucb1400_adc_read(struct snd_ac97 *ac97, u16 adc_channel, - int adcsync); - -#endif diff --git a/include/linux/uio.h b/include/linux/uio.h index 9f158238edba..27e3fd942960 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -13,6 +13,8 @@ struct page; struct pipe_inode_info; +typedef unsigned int __bitwise iov_iter_extraction_t; + struct kvec { void *iov_base; /* and that should *never* hold a userland pointer */ size_t iov_len; @@ -252,12 +254,12 @@ void iov_iter_xarray(struct iov_iter *i, unsigned int direction, struct xarray * loff_t start, size_t count); ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages, size_t maxsize, unsigned maxpages, size_t *start, - unsigned gup_flags); + iov_iter_extraction_t extraction_flags); ssize_t iov_iter_get_pages2(struct iov_iter *i, struct page **pages, size_t maxsize, unsigned maxpages, size_t *start); ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages, size_t maxsize, size_t *start, - unsigned gup_flags); + iov_iter_extraction_t extraction_flags); ssize_t iov_iter_get_pages_alloc2(struct iov_iter *i, struct page ***pages, size_t maxsize, size_t *start); int iov_iter_npages(const struct iov_iter *i, int maxpages); @@ -346,6 +348,7 @@ ssize_t __import_iovec(int type, const struct iovec __user *uvec, struct iov_iter *i, bool compat); int import_single_range(int type, void __user *buf, size_t len, struct iovec *iov, struct iov_iter *i); +int import_ubuf(int type, void __user *buf, size_t len, struct iov_iter *i); static inline void iov_iter_ubuf(struct iov_iter *i, unsigned int direction, void __user *buf, size_t count) @@ -359,5 +362,34 @@ static inline void iov_iter_ubuf(struct iov_iter *i, unsigned int direction, .count = count }; } +/* Flags for iov_iter_get/extract_pages*() */ +/* Allow P2PDMA on the extracted pages */ +#define ITER_ALLOW_P2PDMA ((__force iov_iter_extraction_t)0x01) + +ssize_t iov_iter_extract_pages(struct iov_iter *i, struct page ***pages, + size_t maxsize, unsigned int maxpages, + iov_iter_extraction_t extraction_flags, + size_t *offset0); + +/** + * iov_iter_extract_will_pin - Indicate how pages from the iterator will be retained + * @iter: The iterator + * + * Examine the iterator and indicate by returning true or false as to how, if + * at all, pages extracted from the iterator will be retained by the extraction + * function. + * + * %true indicates that the pages will have a pin placed in them that the + * caller must unpin. This is must be done for DMA/async DIO to force fork() + * to forcibly copy a page for the child (the parent must retain the original + * page). + * + * %false indicates that no measures are taken and that it's up to the caller + * to retain the pages. + */ +static inline bool iov_iter_extract_will_pin(const struct iov_iter *iter) +{ + return user_backed_iter(iter); +} #endif diff --git a/include/linux/usb.h b/include/linux/usb.h index 86d1c8e79566..9642ee02d713 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1628,14 +1628,25 @@ struct urb { * @urb: pointer to the urb to initialize. * @dev: pointer to the struct usb_device for this urb. * @pipe: the endpoint pipe - * @setup_packet: pointer to the setup_packet buffer - * @transfer_buffer: pointer to the transfer buffer + * @setup_packet: pointer to the setup_packet buffer. The buffer must be + * suitable for DMA. + * @transfer_buffer: pointer to the transfer buffer. The buffer must be + * suitable for DMA. * @buffer_length: length of the transfer buffer * @complete_fn: pointer to the usb_complete_t function * @context: what to set the urb context to. * * Initializes a control urb with the proper information needed to submit * it to a device. + * + * The transfer buffer and the setup_packet buffer will most likely be filled + * or read via DMA. The simplest way to get a buffer that can be DMAed to is + * allocating it via kmalloc() or equivalent, even for very small buffers. + * If the buffers are embedded in a bigger structure, there is a risk that + * the buffer itself, the previous fields and/or the next fields are corrupted + * due to cache incoherencies; or slowed down if they are evicted from the + * cache. For more information, check &struct urb. + * */ static inline void usb_fill_control_urb(struct urb *urb, struct usb_device *dev, @@ -1660,13 +1671,17 @@ static inline void usb_fill_control_urb(struct urb *urb, * @urb: pointer to the urb to initialize. * @dev: pointer to the struct usb_device for this urb. * @pipe: the endpoint pipe - * @transfer_buffer: pointer to the transfer buffer + * @transfer_buffer: pointer to the transfer buffer. The buffer must be + * suitable for DMA. * @buffer_length: length of the transfer buffer * @complete_fn: pointer to the usb_complete_t function * @context: what to set the urb context to. * * Initializes a bulk urb with the proper information needed to submit it * to a device. + * + * Refer to usb_fill_control_urb() for a description of the requirements for + * transfer_buffer. */ static inline void usb_fill_bulk_urb(struct urb *urb, struct usb_device *dev, @@ -1689,7 +1704,8 @@ static inline void usb_fill_bulk_urb(struct urb *urb, * @urb: pointer to the urb to initialize. * @dev: pointer to the struct usb_device for this urb. * @pipe: the endpoint pipe - * @transfer_buffer: pointer to the transfer buffer + * @transfer_buffer: pointer to the transfer buffer. The buffer must be + * suitable for DMA. * @buffer_length: length of the transfer buffer * @complete_fn: pointer to the usb_complete_t function * @context: what to set the urb context to. @@ -1699,6 +1715,9 @@ static inline void usb_fill_bulk_urb(struct urb *urb, * Initializes a interrupt urb with the proper information needed to submit * it to a device. * + * Refer to usb_fill_control_urb() for a description of the requirements for + * transfer_buffer. + * * Note that High Speed and SuperSpeed(+) interrupt endpoints use a logarithmic * encoding of the endpoint interval, and express polling intervals in * microframes (eight per millisecond) rather than in frames (one per diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 43ac3fa760db..608dc962748b 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -25,6 +25,7 @@ #include <linux/version.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> +#include <linux/usb/webusb.h> #include <linux/log2.h> #include <linux/configfs.h> @@ -431,6 +432,10 @@ static inline struct usb_composite_driver *to_cdriver( * @qw_sign: qwSignature part of the OS string * @b_vendor_code: bMS_VendorCode part of the OS string * @use_os_string: false by default, interested gadgets set it + * @bcd_webusb_version: 0x0100 by default, WebUSB specification version + * @b_webusb_vendor_code: 0x0 by default, vendor code for WebUSB + * @landing_page: empty by default, landing page to announce in WebUSB + * @use_webusb:: false by default, interested gadgets set it * @os_desc_config: the configuration to be used with OS descriptors * @setup_pending: true when setup request is queued but not completed * @os_desc_pending: true when os_desc request is queued but not completed @@ -474,6 +479,12 @@ struct usb_composite_dev { struct usb_configuration *os_desc_config; unsigned int use_os_string:1; + /* WebUSB */ + u16 bcd_webusb_version; + u8 b_webusb_vendor_code; + char landing_page[WEBUSB_URL_RAW_MAX_LENGTH]; + unsigned int use_webusb:1; + /* private: */ /* internals */ unsigned int suspended:1; @@ -483,6 +494,7 @@ struct usb_composite_dev { struct usb_composite_driver *driver; u8 next_string_id; char *def_manufacturer; + struct usb_string *usb_strings; /* the gadget driver won't enable the data pullup * while the deactivation count is nonzero. diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index dc3092cea99e..00750f7020f3 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -15,6 +15,7 @@ #ifndef __LINUX_USB_GADGET_H #define __LINUX_USB_GADGET_H +#include <linux/configfs.h> #include <linux/device.h> #include <linux/errno.h> #include <linux/init.h> @@ -821,6 +822,16 @@ int usb_gadget_get_string(const struct usb_gadget_strings *table, int id, u8 *bu /* check if the given language identifier is valid */ bool usb_validate_langid(u16 langid); +struct gadget_string { + struct config_item item; + struct list_head list; + char string[USB_MAX_STRING_LEN]; + struct usb_string usb_string; +}; + +#define to_gadget_string(str_item)\ +container_of(str_item, struct gadget_string, item) + /*-------------------------------------------------------------------------*/ /* utility to simplify managing config descriptors */ diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h index fc6c77918481..e4a3ad3c800f 100644 --- a/include/linux/usb/musb.h +++ b/include/linux/usb/musb.h @@ -143,8 +143,6 @@ extern int __init tusb6010_setup_interface( unsigned async_cs, unsigned sync_cs, unsigned irq, unsigned dmachan); -extern int tusb6010_platform_retime(unsigned is_refclk); - #endif /* OMAP2 */ #endif /* __LINUX_USB_MUSB_H */ diff --git a/include/linux/usb/rzv2m_usb3drd.h b/include/linux/usb/rzv2m_usb3drd.h new file mode 100644 index 000000000000..4cc848de229f --- /dev/null +++ b/include/linux/usb/rzv2m_usb3drd.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __RZV2M_USB3DRD_H +#define __RZV2M_USB3DRD_H + +#include <linux/types.h> + +struct rzv2m_usb3drd { + void __iomem *reg; + int drd_irq; + struct device *dev; + struct reset_control *drd_rstc; +}; + +#if IS_ENABLED(CONFIG_USB_RZV2M_USB3DRD) +void rzv2m_usb3drd_reset(struct device *dev, bool host); +#else +static inline void rzv2m_usb3drd_reset(struct device *dev, bool host) { } +#endif + +#endif /* __RZV2M_USB3DRD_H */ diff --git a/include/linux/usb/tcpci.h b/include/linux/usb/tcpci.h index 17657451c762..85e95a3251d3 100644 --- a/include/linux/usb/tcpci.h +++ b/include/linux/usb/tcpci.h @@ -188,6 +188,12 @@ struct tcpci; * Optional; The USB Communications Capable bit indicates if port * partner is capable of communication over the USB data lines * (e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit. + * @check_contaminant: + * Optional; The callback is invoked when chiplevel drivers indicated + * that the USB port needs to be checked for contaminant presence. + * Chip level drivers are expected to check for contaminant and call + * tcpm_clean_port when the port is clean to put the port back into + * toggling state. */ struct tcpci_data { struct regmap *regmap; @@ -204,6 +210,7 @@ struct tcpci_data { void (*frs_sourcing_vbus)(struct tcpci *tcpci, struct tcpci_data *data); void (*set_partner_usb_comm_capable)(struct tcpci *tcpci, struct tcpci_data *data, bool capable); + void (*check_contaminant)(struct tcpci *tcpci, struct tcpci_data *data); }; struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data); diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h index bffc8d3e14ad..ab7ca872950b 100644 --- a/include/linux/usb/tcpm.h +++ b/include/linux/usb/tcpm.h @@ -114,6 +114,11 @@ enum tcpm_transmit_type { * Optional; The USB Communications Capable bit indicates if port * partner is capable of communication over the USB data lines * (e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit. + * @check_contaminant: + * Optional; The callback is called when CC pins report open status + * at the end of the deboumce period or when the port is still + * toggling. Chip level drivers are expected to check for contaminant + * and call tcpm_clean_port when the port is clean. */ struct tcpc_dev { struct fwnode_handle *fwnode; @@ -148,6 +153,7 @@ struct tcpc_dev { bool pps_active, u32 requested_vbus_voltage); bool (*is_vbus_vsafe0v)(struct tcpc_dev *dev); void (*set_partner_usb_comm_capable)(struct tcpc_dev *dev, bool enable); + void (*check_contaminant)(struct tcpc_dev *dev); }; struct tcpm_port; @@ -165,5 +171,7 @@ void tcpm_pd_transmit_complete(struct tcpm_port *port, enum tcpm_transmit_status status); void tcpm_pd_hard_reset(struct tcpm_port *port); void tcpm_tcpc_reset(struct tcpm_port *port); +void tcpm_port_clean(struct tcpm_port *port); +bool tcpm_port_is_toggling(struct tcpm_port *port); #endif /* __LINUX_USB_TCPM_H */ diff --git a/include/linux/usb/uvc.h b/include/linux/usb/uvc.h new file mode 100644 index 000000000000..88d96095bcb1 --- /dev/null +++ b/include/linux/usb/uvc.h @@ -0,0 +1,158 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * v4l2 uvc internal API header + * + * Some commonly needed functions for uvc drivers + */ + +#ifndef __LINUX_V4L2_UVC_H +#define __LINUX_V4L2_UVC_H + +/* ------------------------------------------------------------------------ + * GUIDs + */ +#define UVC_GUID_UVC_CAMERA \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01} +#define UVC_GUID_UVC_OUTPUT \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02} +#define UVC_GUID_UVC_MEDIA_TRANSPORT_INPUT \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03} +#define UVC_GUID_UVC_PROCESSING \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01} +#define UVC_GUID_UVC_SELECTOR \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02} +#define UVC_GUID_EXT_GPIO_CONTROLLER \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03} + +#define UVC_GUID_FORMAT_MJPEG \ + { 'M', 'J', 'P', 'G', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_YUY2 \ + { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_YUY2_ISIGHT \ + { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0x00, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_NV12 \ + { 'N', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_YV12 \ + { 'Y', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_I420 \ + { 'I', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_UYVY \ + { 'U', 'Y', 'V', 'Y', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y800 \ + { 'Y', '8', '0', '0', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y8 \ + { 'Y', '8', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y10 \ + { 'Y', '1', '0', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y12 \ + { 'Y', '1', '2', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y16 \ + { 'Y', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_BY8 \ + { 'B', 'Y', '8', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_BA81 \ + { 'B', 'A', '8', '1', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_GBRG \ + { 'G', 'B', 'R', 'G', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_GRBG \ + { 'G', 'R', 'B', 'G', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_RGGB \ + { 'R', 'G', 'G', 'B', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_BG16 \ + { 'B', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_GB16 \ + { 'G', 'B', '1', '6', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_RG16 \ + { 'R', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_GR16 \ + { 'G', 'R', '1', '6', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_RGBP \ + { 'R', 'G', 'B', 'P', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_BGR3 \ + { 0x7d, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \ + 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70} +#define UVC_GUID_FORMAT_BGR4 \ + { 0x7e, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \ + 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70} +#define UVC_GUID_FORMAT_M420 \ + { 'M', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} + +#define UVC_GUID_FORMAT_H264 \ + { 'H', '2', '6', '4', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_H265 \ + { 'H', '2', '6', '5', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y8I \ + { 'Y', '8', 'I', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y12I \ + { 'Y', '1', '2', 'I', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Z16 \ + { 'Z', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_RW10 \ + { 'R', 'W', '1', '0', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_INVZ \ + { 'I', 'N', 'V', 'Z', 0x90, 0x2d, 0x58, 0x4a, \ + 0x92, 0x0b, 0x77, 0x3f, 0x1f, 0x2c, 0x55, 0x6b} +#define UVC_GUID_FORMAT_INZI \ + { 'I', 'N', 'Z', 'I', 0x66, 0x1a, 0x42, 0xa2, \ + 0x90, 0x65, 0xd0, 0x18, 0x14, 0xa8, 0xef, 0x8a} +#define UVC_GUID_FORMAT_INVI \ + { 'I', 'N', 'V', 'I', 0xdb, 0x57, 0x49, 0x5e, \ + 0x8e, 0x3f, 0xf4, 0x79, 0x53, 0x2b, 0x94, 0x6f} +#define UVC_GUID_FORMAT_CNF4 \ + { 'C', ' ', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} + +#define UVC_GUID_FORMAT_D3DFMT_L8 \ + {0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_KSMEDIA_L8_IR \ + {0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} + +#define UVC_GUID_FORMAT_HEVC \ + { 'H', 'E', 'V', 'C', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} + +struct uvc_format_desc { + u8 guid[16]; + u32 fcc; +}; + +const struct uvc_format_desc *uvc_format_by_guid(const u8 guid[16]); + +#endif /* __LINUX_V4L2_UVC_H */ diff --git a/include/linux/usb/webusb.h b/include/linux/usb/webusb.h new file mode 100644 index 000000000000..fe43020b4a48 --- /dev/null +++ b/include/linux/usb/webusb.h @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * WebUSB descriptors and constants + * + * Copyright (C) 2023 Jó Ágila Bitsch <jgilab@gmail.com> + */ + +#ifndef __LINUX_USB_WEBUSB_H +#define __LINUX_USB_WEBUSB_H + +#include "uapi/linux/usb/ch9.h" + +/* + * Little Endian PlatformCapablityUUID for WebUSB + * 3408b638-09a9-47a0-8bfd-a0768815b665 + * to identify Platform Device Capability descriptors as referring to WebUSB. + */ +#define WEBUSB_UUID \ + GUID_INIT(0x3408b638, 0x09a9, 0x47a0, 0x8b, 0xfd, 0xa0, 0x76, 0x88, 0x15, 0xb6, 0x65) + +/* + * WebUSB Platform Capability data + * + * A device announces support for the + * WebUSB command set by including the following Platform Descriptor Data in its + * Binary Object Store associated with the WebUSB_UUID above. + * See: https://wicg.github.io/webusb/#webusb-platform-capability-descriptor + */ +struct usb_webusb_cap_data { + __le16 bcdVersion; +#define WEBUSB_VERSION_1_00 cpu_to_le16(0x0100) /* currently only version 1.00 is defined */ + u8 bVendorCode; + u8 iLandingPage; +#define WEBUSB_LANDING_PAGE_NOT_PRESENT 0 +#define WEBUSB_LANDING_PAGE_PRESENT 1 /* we chose the fixed index 1 for the URL descriptor */ +} __packed; + +#define USB_WEBUSB_CAP_DATA_SIZE 4 + +/* + * Get URL Request + * + * The request to fetch an URL is defined in https://wicg.github.io/webusb/#get-url as: + * bmRequestType: (USB_DIR_IN | USB_TYPE_VENDOR) = 11000000B + * bRequest: bVendorCode + * wValue: iLandingPage + * wIndex: GET_URL = 2 + * wLength: Descriptor Length (typically U8_MAX = 255) + * Data: URL Descriptor + */ +#define WEBUSB_GET_URL 2 + +/* + * This descriptor contains a single URL and is returned by the Get URL request. + * + * See: https://wicg.github.io/webusb/#url-descriptor + */ +struct webusb_url_descriptor { + u8 bLength; +#define WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH 3 + u8 bDescriptorType; +#define WEBUSB_URL_DESCRIPTOR_TYPE 3 + u8 bScheme; +#define WEBUSB_URL_SCHEME_HTTP 0 +#define WEBUSB_URL_SCHEME_HTTPS 1 +#define WEBUSB_URL_SCHEME_NONE 255 + u8 URL[U8_MAX - WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH]; +} __packed; + +/* + * Buffer size to hold the longest URL that can be in an URL descriptor + * + * The descriptor can be U8_MAX bytes long. + * WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH bytes are used for a header. + * Since the longest prefix that might be stripped is "https://", we may accommodate an additional + * 8 bytes. + */ +#define WEBUSB_URL_RAW_MAX_LENGTH (U8_MAX - WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH + 8) + +#endif /* __LINUX_USB_USBNET_H */ diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h index 9df0b9a762cc..3767f18114ef 100644 --- a/include/linux/userfaultfd_k.h +++ b/include/linux/userfaultfd_k.h @@ -73,7 +73,7 @@ extern ssize_t mcopy_continue(struct mm_struct *dst_mm, unsigned long dst_start, extern int mwriteprotect_range(struct mm_struct *dst_mm, unsigned long start, unsigned long len, bool enable_wp, atomic_t *mmap_changing); -extern void uffd_wp_range(struct mm_struct *dst_mm, struct vm_area_struct *vma, +extern long uffd_wp_range(struct mm_struct *dst_mm, struct vm_area_struct *vma, unsigned long start, unsigned long len, bool enable_wp); /* mm helpers */ diff --git a/include/linux/util_macros.h b/include/linux/util_macros.h index 43db6e47503c..6bb460c3e818 100644 --- a/include/linux/util_macros.h +++ b/include/linux/util_macros.h @@ -2,6 +2,8 @@ #ifndef _LINUX_HELPER_MACROS_H_ #define _LINUX_HELPER_MACROS_H_ +#include <linux/math.h> + #define __find_closest(x, a, as, op) \ ({ \ typeof(as) __fc_i, __fc_as = (as) - 1; \ diff --git a/include/linux/uuid.h b/include/linux/uuid.h index 8cdc0d3567cd..6b1a3efa1e0b 100644 --- a/include/linux/uuid.h +++ b/include/linux/uuid.h @@ -8,15 +8,25 @@ #ifndef _LINUX_UUID_H_ #define _LINUX_UUID_H_ -#include <uapi/linux/uuid.h> #include <linux/string.h> #define UUID_SIZE 16 typedef struct { __u8 b[UUID_SIZE]; +} guid_t; + +typedef struct { + __u8 b[UUID_SIZE]; } uuid_t; +#define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ +((guid_t) \ +{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ + (b) & 0xff, ((b) >> 8) & 0xff, \ + (c) & 0xff, ((c) >> 8) & 0xff, \ + (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) + #define UUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ ((uuid_t) \ {{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \ @@ -97,10 +107,7 @@ extern const u8 uuid_index[16]; int guid_parse(const char *uuid, guid_t *u); int uuid_parse(const char *uuid, uuid_t *u); -/* backwards compatibility, don't use in new code */ -static inline int uuid_le_cmp(const guid_t u1, const guid_t u2) -{ - return memcmp(&u1, &u2, sizeof(guid_t)); -} +/* MEI UUID type, don't use anywhere else */ +#include <uapi/linux/uuid.h> #endif diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 6d0f5e4e82c2..43f59ef10cc9 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -219,7 +219,10 @@ struct vdpa_map_file { * @reset: Reset device * @vdev: vdpa device * Returns integer: success (0) or error (< 0) - * @suspend: Suspend or resume the device (optional) + * @suspend: Suspend the device (optional) + * @vdev: vdpa device + * Returns integer: success (0) or error (< 0) + * @resume: Resume the device (optional) * @vdev: vdpa device * Returns integer: success (0) or error (< 0) * @get_config_size: Get the size of the configuration space includes @@ -282,6 +285,11 @@ struct vdpa_map_file { * @iova: iova to be unmapped * @size: size of the area * Returns integer: success (0) or error (< 0) + * @get_vq_dma_dev: Get the dma device for a specific + * virtqueue (optional) + * @vdev: vdpa device + * @idx: virtqueue index + * Returns pointer to structure device or error (NULL) * @free: Free resources that belongs to vDPA (optional) * @vdev: vdpa device */ @@ -324,6 +332,7 @@ struct vdpa_config_ops { void (*set_status)(struct vdpa_device *vdev, u8 status); int (*reset)(struct vdpa_device *vdev); int (*suspend)(struct vdpa_device *vdev); + int (*resume)(struct vdpa_device *vdev); size_t (*get_config_size)(struct vdpa_device *vdev); void (*get_config)(struct vdpa_device *vdev, unsigned int offset, void *buf, unsigned int len); @@ -341,6 +350,7 @@ struct vdpa_config_ops { u64 iova, u64 size); int (*set_group_asid)(struct vdpa_device *vdev, unsigned int group, unsigned int asid); + struct device *(*get_vq_dma_dev)(struct vdpa_device *vdev, u16 idx); /* Free device resources */ void (*free)(struct vdpa_device *vdev); diff --git a/include/linux/vfio.h b/include/linux/vfio.h index 35be78e9ae57..93134b023968 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -46,7 +46,6 @@ struct vfio_device { struct vfio_device_set *dev_set; struct list_head dev_set_list; unsigned int migration_flags; - /* Driver must reference the kvm during open_device or never touch it */ struct kvm *kvm; /* Members below here are private, not for driver use */ @@ -58,6 +57,7 @@ struct vfio_device { struct list_head group_next; struct list_head iommu_entry; struct iommufd_access *iommufd_access; + void (*put_kvm)(struct kvm *kvm); #if IS_ENABLED(CONFIG_IOMMUFD) struct iommufd_device *iommufd_device; struct iommufd_ctx *iommufd_ictx; @@ -70,6 +70,10 @@ struct vfio_device { * * @init: initialize private fields in device structure * @release: Reclaim private fields in device structure + * @bind_iommufd: Called when binding the device to an iommufd + * @unbind_iommufd: Opposite of bind_iommufd + * @attach_ioas: Called when attaching device to an IOAS/HWPT managed by the + * bound iommufd. Undo in unbind_iommufd. * @open_device: Called when the first file descriptor is opened for this device * @close_device: Opposite of open_device * @read: Perform read(2) on device file descriptor diff --git a/include/linux/virtio.h b/include/linux/virtio.h index dcab9c7e8784..2b472514c49b 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -127,10 +127,7 @@ struct virtio_device { void *priv; }; -static inline struct virtio_device *dev_to_virtio(struct device *_dev) -{ - return container_of(_dev, struct virtio_device, dev); -} +#define dev_to_virtio(_dev) container_of_const(_dev, struct virtio_device, dev) void virtio_add_status(struct virtio_device *dev, unsigned int status); int register_virtio_device(struct virtio_device *dev); diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 4b517649cfe8..2b3438de2c4d 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -16,8 +16,10 @@ struct virtio_shm_region { u64 len; }; +typedef void vq_callback_t(struct virtqueue *); + /** - * virtio_config_ops - operations for configuring a virtio device + * struct virtio_config_ops - operations for configuring a virtio device * Note: Do not assume that a transport implements all of the operations * getting/setting a value as a simple read/write! Generally speaking, * any of @get/@set, @get_status/@set_status, or @get_features/ @@ -69,7 +71,8 @@ struct virtio_shm_region { * vdev: the virtio_device * This sends the driver feature bits to the device: it can change * the dev->feature bits if it wants. - * Note: despite the name this can be called any number of times. + * Note that despite the name this can be called any number of + * times. * Returns 0 on success or error status * @bus_name: return the bus name associated with the device (optional) * vdev: the virtio_device @@ -91,7 +94,6 @@ struct virtio_shm_region { * If disable_vq_and_reset is set, then enable_vq_after_reset must also be * set. */ -typedef void vq_callback_t(struct virtqueue *); struct virtio_config_ops { void (*get)(struct virtio_device *vdev, unsigned offset, void *buf, unsigned len); diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h index 8b8af1a38991..8b95b69ef694 100644 --- a/include/linux/virtio_ring.h +++ b/include/linux/virtio_ring.h @@ -77,6 +77,22 @@ struct virtqueue *vring_create_virtqueue(unsigned int index, const char *name); /* + * Creates a virtqueue and allocates the descriptor ring with per + * virtqueue DMA device. + */ +struct virtqueue *vring_create_virtqueue_dma(unsigned int index, + unsigned int num, + unsigned int vring_align, + struct virtio_device *vdev, + bool weak_barriers, + bool may_reduce_num, + bool ctx, + bool (*notify)(struct virtqueue *vq), + void (*callback)(struct virtqueue *vq), + const char *name, + struct device *dma_dev); + +/* * Creates a virtqueue with a standard layout but a caller-allocated * ring. */ diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h index 35d7eedb5e8e..3f9c16611306 100644 --- a/include/linux/virtio_vsock.h +++ b/include/linux/virtio_vsock.h @@ -7,6 +7,109 @@ #include <net/sock.h> #include <net/af_vsock.h> +#define VIRTIO_VSOCK_SKB_HEADROOM (sizeof(struct virtio_vsock_hdr)) + +struct virtio_vsock_skb_cb { + bool reply; + bool tap_delivered; +}; + +#define VIRTIO_VSOCK_SKB_CB(skb) ((struct virtio_vsock_skb_cb *)((skb)->cb)) + +static inline struct virtio_vsock_hdr *virtio_vsock_hdr(struct sk_buff *skb) +{ + return (struct virtio_vsock_hdr *)skb->head; +} + +static inline bool virtio_vsock_skb_reply(struct sk_buff *skb) +{ + return VIRTIO_VSOCK_SKB_CB(skb)->reply; +} + +static inline void virtio_vsock_skb_set_reply(struct sk_buff *skb) +{ + VIRTIO_VSOCK_SKB_CB(skb)->reply = true; +} + +static inline bool virtio_vsock_skb_tap_delivered(struct sk_buff *skb) +{ + return VIRTIO_VSOCK_SKB_CB(skb)->tap_delivered; +} + +static inline void virtio_vsock_skb_set_tap_delivered(struct sk_buff *skb) +{ + VIRTIO_VSOCK_SKB_CB(skb)->tap_delivered = true; +} + +static inline void virtio_vsock_skb_clear_tap_delivered(struct sk_buff *skb) +{ + VIRTIO_VSOCK_SKB_CB(skb)->tap_delivered = false; +} + +static inline void virtio_vsock_skb_rx_put(struct sk_buff *skb) +{ + u32 len; + + len = le32_to_cpu(virtio_vsock_hdr(skb)->len); + + if (len > 0) + skb_put(skb, len); +} + +static inline struct sk_buff *virtio_vsock_alloc_skb(unsigned int size, gfp_t mask) +{ + struct sk_buff *skb; + + if (size < VIRTIO_VSOCK_SKB_HEADROOM) + return NULL; + + skb = alloc_skb(size, mask); + if (!skb) + return NULL; + + skb_reserve(skb, VIRTIO_VSOCK_SKB_HEADROOM); + return skb; +} + +static inline void +virtio_vsock_skb_queue_head(struct sk_buff_head *list, struct sk_buff *skb) +{ + spin_lock_bh(&list->lock); + __skb_queue_head(list, skb); + spin_unlock_bh(&list->lock); +} + +static inline void +virtio_vsock_skb_queue_tail(struct sk_buff_head *list, struct sk_buff *skb) +{ + spin_lock_bh(&list->lock); + __skb_queue_tail(list, skb); + spin_unlock_bh(&list->lock); +} + +static inline struct sk_buff *virtio_vsock_skb_dequeue(struct sk_buff_head *list) +{ + struct sk_buff *skb; + + spin_lock_bh(&list->lock); + skb = __skb_dequeue(list); + spin_unlock_bh(&list->lock); + + return skb; +} + +static inline void virtio_vsock_skb_queue_purge(struct sk_buff_head *list) +{ + spin_lock_bh(&list->lock); + __skb_queue_purge(list); + spin_unlock_bh(&list->lock); +} + +static inline size_t virtio_vsock_skb_len(struct sk_buff *skb) +{ + return (size_t)(skb_end_pointer(skb) - skb->head); +} + #define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE (1024 * 4) #define VIRTIO_VSOCK_MAX_BUF_SIZE 0xFFFFFFFFUL #define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE (1024 * 64) @@ -35,23 +138,10 @@ struct virtio_vsock_sock { u32 last_fwd_cnt; u32 rx_bytes; u32 buf_alloc; - struct list_head rx_queue; + struct sk_buff_head rx_queue; u32 msg_count; }; -struct virtio_vsock_pkt { - struct virtio_vsock_hdr hdr; - struct list_head list; - /* socket refcnt not held, only use for cancellation */ - struct vsock_sock *vsk; - void *buf; - u32 buf_len; - u32 len; - u32 off; - bool reply; - bool tap_delivered; -}; - struct virtio_vsock_pkt_info { u32 remote_cid, remote_port; struct vsock_sock *vsk; @@ -68,7 +158,7 @@ struct virtio_transport { struct vsock_transport transport; /* Takes ownership of the packet */ - int (*send_pkt)(struct virtio_vsock_pkt *pkt); + int (*send_pkt)(struct sk_buff *skb); }; ssize_t @@ -149,11 +239,10 @@ virtio_transport_dgram_enqueue(struct vsock_sock *vsk, void virtio_transport_destruct(struct vsock_sock *vsk); void virtio_transport_recv_pkt(struct virtio_transport *t, - struct virtio_vsock_pkt *pkt); -void virtio_transport_free_pkt(struct virtio_vsock_pkt *pkt); -void virtio_transport_inc_tx_pkt(struct virtio_vsock_sock *vvs, struct virtio_vsock_pkt *pkt); + struct sk_buff *skb); +void virtio_transport_inc_tx_pkt(struct virtio_vsock_sock *vvs, struct sk_buff *skb); u32 virtio_transport_get_credit(struct virtio_vsock_sock *vvs, u32 wanted); void virtio_transport_put_credit(struct virtio_vsock_sock *vvs, u32 credit); -void virtio_transport_deliver_tap_pkt(struct virtio_vsock_pkt *pkt); - +void virtio_transport_deliver_tap_pkt(struct sk_buff *skb); +int virtio_transport_purge_skbs(void *vsk, struct sk_buff_head *list); #endif /* _LINUX_VIRTIO_VSOCK_H */ diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 096d48aa3437..69250efa03d1 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -76,6 +76,7 @@ struct vmap_area { unsigned long subtree_max_size; /* in "free" tree */ struct vm_struct *vm; /* in "busy" tree */ }; + unsigned long flags; /* mark type of vm_map_ram area */ }; /* archs that select HAVE_ARCH_HUGE_VMAP should override one or more of these */ diff --git a/include/linux/vringh.h b/include/linux/vringh.h index 212892cf9822..1991a02c6431 100644 --- a/include/linux/vringh.h +++ b/include/linux/vringh.h @@ -92,7 +92,7 @@ struct vringh_iov { }; /** - * struct vringh_iov - kvec mangler. + * struct vringh_kiov - kvec mangler. * * Mangles kvec in place, and restores it. * Remaining data is iov + i, of used - i elements. diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index a0143dd24430..ac551b8ee7d9 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -335,6 +335,7 @@ enum { */ WQ_POWER_EFFICIENT = 1 << 7, + __WQ_DESTROYING = 1 << 15, /* internal: workqueue is destroying */ __WQ_DRAINING = 1 << 16, /* internal: workqueue is draining */ __WQ_ORDERED = 1 << 17, /* internal: workqueue is ordered */ __WQ_LEGACY = 1 << 18, /* internal: create*_workqueue() */ diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 06f9291b6fd5..46020373e155 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -207,7 +207,7 @@ static inline void wait_on_inode(struct inode *inode) #include <linux/cgroup.h> #include <linux/bio.h> -void __inode_attach_wb(struct inode *inode, struct page *page); +void __inode_attach_wb(struct inode *inode, struct folio *folio); void wbc_attach_and_unlock_inode(struct writeback_control *wbc, struct inode *inode) __releases(&inode->i_lock); @@ -222,16 +222,16 @@ bool cleanup_offline_cgwb(struct bdi_writeback *wb); /** * inode_attach_wb - associate an inode with its wb * @inode: inode of interest - * @page: page being dirtied (may be NULL) + * @folio: folio being dirtied (may be NULL) * * If @inode doesn't have its wb, associate it with the wb matching the - * memcg of @page or, if @page is NULL, %current. May be called w/ or w/o + * memcg of @folio or, if @folio is NULL, %current. May be called w/ or w/o * @inode->i_lock. */ -static inline void inode_attach_wb(struct inode *inode, struct page *page) +static inline void inode_attach_wb(struct inode *inode, struct folio *folio) { if (!inode->i_wb) - __inode_attach_wb(inode, page); + __inode_attach_wb(inode, folio); } /** @@ -290,7 +290,7 @@ static inline void wbc_init_bio(struct writeback_control *wbc, struct bio *bio) #else /* CONFIG_CGROUP_WRITEBACK */ -static inline void inode_attach_wb(struct inode *inode, struct page *page) +static inline void inode_attach_wb(struct inode *inode, struct folio *folio) { } @@ -366,11 +366,9 @@ int balance_dirty_pages_ratelimited_flags(struct address_space *mapping, bool wb_over_bg_thresh(struct bdi_writeback *wb); -typedef int (*writepage_t)(struct page *page, struct writeback_control *wbc, +typedef int (*writepage_t)(struct folio *folio, struct writeback_control *wbc, void *data); -int generic_writepages(struct address_space *mapping, - struct writeback_control *wbc); void tag_pages_for_writeback(struct address_space *mapping, pgoff_t start, pgoff_t end); int write_cache_pages(struct address_space *mapping, diff --git a/include/linux/xarray.h b/include/linux/xarray.h index 44dd6d6e01bc..741703b45f61 100644 --- a/include/linux/xarray.h +++ b/include/linux/xarray.h @@ -1643,7 +1643,8 @@ static inline void xas_set_order(struct xa_state *xas, unsigned long index, * @update: Function to call when updating a node. * * The XArray can notify a caller after it has updated an xa_node. - * This is advanced functionality and is only needed by the page cache. + * This is advanced functionality and is only needed by the page + * cache and swap cache. */ static inline void xas_set_update(struct xa_state *xas, xa_update_node_t update) { diff --git a/include/linux/xattr.h b/include/linux/xattr.h index 2e7dd44926e4..6af72461397d 100644 --- a/include/linux/xattr.h +++ b/include/linux/xattr.h @@ -42,7 +42,7 @@ struct xattr_handler { struct inode *inode, const char *name, void *buffer, size_t size); int (*set)(const struct xattr_handler *, - struct user_namespace *mnt_userns, struct dentry *dentry, + struct mnt_idmap *idmap, struct dentry *dentry, struct inode *inode, const char *name, const void *buffer, size_t size, int flags); }; @@ -56,25 +56,25 @@ struct xattr { }; ssize_t __vfs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t); -ssize_t vfs_getxattr(struct user_namespace *, struct dentry *, const char *, +ssize_t vfs_getxattr(struct mnt_idmap *, struct dentry *, const char *, void *, size_t); ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size); -int __vfs_setxattr(struct user_namespace *, struct dentry *, struct inode *, +int __vfs_setxattr(struct mnt_idmap *, struct dentry *, struct inode *, const char *, const void *, size_t, int); -int __vfs_setxattr_noperm(struct user_namespace *, struct dentry *, +int __vfs_setxattr_noperm(struct mnt_idmap *, struct dentry *, const char *, const void *, size_t, int); -int __vfs_setxattr_locked(struct user_namespace *, struct dentry *, +int __vfs_setxattr_locked(struct mnt_idmap *, struct dentry *, const char *, const void *, size_t, int, struct inode **); -int vfs_setxattr(struct user_namespace *, struct dentry *, const char *, +int vfs_setxattr(struct mnt_idmap *, struct dentry *, const char *, const void *, size_t, int); -int __vfs_removexattr(struct user_namespace *, struct dentry *, const char *); -int __vfs_removexattr_locked(struct user_namespace *, struct dentry *, +int __vfs_removexattr(struct mnt_idmap *, struct dentry *, const char *); +int __vfs_removexattr_locked(struct mnt_idmap *, struct dentry *, const char *, struct inode **); -int vfs_removexattr(struct user_namespace *, struct dentry *, const char *); +int vfs_removexattr(struct mnt_idmap *, struct dentry *, const char *); ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size); -int vfs_getxattr_alloc(struct user_namespace *mnt_userns, +int vfs_getxattr_alloc(struct mnt_idmap *idmap, struct dentry *dentry, const char *name, char **xattr_value, size_t size, gfp_t flags); diff --git a/include/linux/z2_battery.h b/include/linux/z2_battery.h deleted file mode 100644 index 9e8be7a7cd25..000000000000 --- a/include/linux/z2_battery.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_Z2_BATTERY_H -#define _LINUX_Z2_BATTERY_H - -struct z2_battery_info { - int batt_I2C_bus; - int batt_I2C_addr; - int batt_I2C_reg; - int min_voltage; - int max_voltage; - int batt_div; - int batt_mult; - int batt_tech; - char *batt_name; -}; - -#endif |