diff options
Diffstat (limited to 'include/linux')
135 files changed, 1440 insertions, 769 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 118a18b7ff84..b7165e52b3c6 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -15,6 +15,7 @@ #include <linux/mod_devicetable.h> #include <linux/property.h> #include <linux/uuid.h> +#include <linux/node.h> struct irq_domain; struct irq_domain_ops; @@ -431,6 +432,16 @@ 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_ACPI_HMAT +int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord); +#else +static inline int acpi_get_genport_coordinates(u32 uid, + struct access_coordinate *coord) +{ + return -EOPNOTSUPP; +} +#endif + #ifdef CONFIG_ACPI_NUMA int acpi_map_pxm_to_node(int pxm); int acpi_get_node(acpi_handle handle); diff --git a/include/linux/aer.h b/include/linux/aer.h index f6ea2f57d808..ae0fae70d4bd 100644 --- a/include/linux/aer.h +++ b/include/linux/aer.h @@ -19,10 +19,10 @@ struct pci_dev; struct aer_header_log_regs { - unsigned int dw0; - unsigned int dw1; - unsigned int dw2; - unsigned int dw3; + u32 dw0; + u32 dw1; + u32 dw2; + u32 dw3; }; struct aer_capability_regs { diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h index a1307b58cc2c..9120de05ead0 100644 --- a/include/linux/amba/serial.h +++ b/include/linux/amba/serial.h @@ -10,6 +10,11 @@ #ifndef ASM_ARM_HARDWARE_SERIAL_AMBA_H #define ASM_ARM_HARDWARE_SERIAL_AMBA_H +#ifndef __ASSEMBLY__ +#include <linux/bitfield.h> +#include <linux/bits.h> +#endif + #include <linux/types.h> /* ------------------------------------------------------------------------------- @@ -70,141 +75,145 @@ #define ZX_UART011_ICR 0x4c #define ZX_UART011_DMACR 0x50 -#define UART011_DR_OE (1 << 11) -#define UART011_DR_BE (1 << 10) -#define UART011_DR_PE (1 << 9) -#define UART011_DR_FE (1 << 8) - -#define UART01x_RSR_OE 0x08 -#define UART01x_RSR_BE 0x04 -#define UART01x_RSR_PE 0x02 -#define UART01x_RSR_FE 0x01 - -#define UART011_FR_RI 0x100 -#define UART011_FR_TXFE 0x080 -#define UART011_FR_RXFF 0x040 -#define UART01x_FR_TXFF 0x020 -#define UART01x_FR_RXFE 0x010 -#define UART01x_FR_BUSY 0x008 -#define UART01x_FR_DCD 0x004 -#define UART01x_FR_DSR 0x002 -#define UART01x_FR_CTS 0x001 +#define UART011_DR_OE BIT(11) +#define UART011_DR_BE BIT(10) +#define UART011_DR_PE BIT(9) +#define UART011_DR_FE BIT(8) + +#define UART01x_RSR_OE BIT(3) +#define UART01x_RSR_BE BIT(2) +#define UART01x_RSR_PE BIT(1) +#define UART01x_RSR_FE BIT(0) + +#define UART011_FR_RI BIT(8) +#define UART011_FR_TXFE BIT(7) +#define UART011_FR_RXFF BIT(6) +#define UART01x_FR_TXFF (1 << 5) /* used in ASM */ +#define UART01x_FR_RXFE BIT(4) +#define UART01x_FR_BUSY (1 << 3) /* used in ASM */ +#define UART01x_FR_DCD BIT(2) +#define UART01x_FR_DSR BIT(1) +#define UART01x_FR_CTS BIT(0) #define UART01x_FR_TMSK (UART01x_FR_TXFF + UART01x_FR_BUSY) /* * Some bits of Flag Register on ZTE device have different position from * standard ones. */ -#define ZX_UART01x_FR_BUSY 0x100 -#define ZX_UART01x_FR_DSR 0x008 -#define ZX_UART01x_FR_CTS 0x002 -#define ZX_UART011_FR_RI 0x001 - -#define UART011_CR_CTSEN 0x8000 /* CTS hardware flow control */ -#define UART011_CR_RTSEN 0x4000 /* RTS hardware flow control */ -#define UART011_CR_OUT2 0x2000 /* OUT2 */ -#define UART011_CR_OUT1 0x1000 /* OUT1 */ -#define UART011_CR_RTS 0x0800 /* RTS */ -#define UART011_CR_DTR 0x0400 /* DTR */ -#define UART011_CR_RXE 0x0200 /* receive enable */ -#define UART011_CR_TXE 0x0100 /* transmit enable */ -#define UART011_CR_LBE 0x0080 /* loopback enable */ -#define UART010_CR_RTIE 0x0040 -#define UART010_CR_TIE 0x0020 -#define UART010_CR_RIE 0x0010 -#define UART010_CR_MSIE 0x0008 -#define ST_UART011_CR_OVSFACT 0x0008 /* Oversampling factor */ -#define UART01x_CR_IIRLP 0x0004 /* SIR low power mode */ -#define UART01x_CR_SIREN 0x0002 /* SIR enable */ -#define UART01x_CR_UARTEN 0x0001 /* UART enable */ - -#define UART011_LCRH_SPS 0x80 +#define ZX_UART01x_FR_BUSY BIT(8) +#define ZX_UART01x_FR_DSR BIT(3) +#define ZX_UART01x_FR_CTS BIT(1) +#define ZX_UART011_FR_RI BIT(0) + +#define UART011_CR_CTSEN BIT(15) /* CTS hardware flow control */ +#define UART011_CR_RTSEN BIT(14) /* RTS hardware flow control */ +#define UART011_CR_OUT2 BIT(13) /* OUT2 */ +#define UART011_CR_OUT1 BIT(12) /* OUT1 */ +#define UART011_CR_RTS BIT(11) /* RTS */ +#define UART011_CR_DTR BIT(10) /* DTR */ +#define UART011_CR_RXE BIT(9) /* receive enable */ +#define UART011_CR_TXE BIT(8) /* transmit enable */ +#define UART011_CR_LBE BIT(7) /* loopback enable */ +#define UART010_CR_RTIE BIT(6) +#define UART010_CR_TIE BIT(5) +#define UART010_CR_RIE BIT(4) +#define UART010_CR_MSIE BIT(3) +#define ST_UART011_CR_OVSFACT BIT(3) /* Oversampling factor */ +#define UART01x_CR_IIRLP BIT(2) /* SIR low power mode */ +#define UART01x_CR_SIREN BIT(1) /* SIR enable */ +#define UART01x_CR_UARTEN BIT(0) /* UART enable */ + +#define UART011_LCRH_SPS BIT(7) #define UART01x_LCRH_WLEN_8 0x60 #define UART01x_LCRH_WLEN_7 0x40 #define UART01x_LCRH_WLEN_6 0x20 #define UART01x_LCRH_WLEN_5 0x00 -#define UART01x_LCRH_FEN 0x10 -#define UART01x_LCRH_STP2 0x08 -#define UART01x_LCRH_EPS 0x04 -#define UART01x_LCRH_PEN 0x02 -#define UART01x_LCRH_BRK 0x01 - -#define ST_UART011_DMAWM_RX_1 (0 << 3) -#define ST_UART011_DMAWM_RX_2 (1 << 3) -#define ST_UART011_DMAWM_RX_4 (2 << 3) -#define ST_UART011_DMAWM_RX_8 (3 << 3) -#define ST_UART011_DMAWM_RX_16 (4 << 3) -#define ST_UART011_DMAWM_RX_32 (5 << 3) -#define ST_UART011_DMAWM_RX_48 (6 << 3) -#define ST_UART011_DMAWM_TX_1 0 -#define ST_UART011_DMAWM_TX_2 1 -#define ST_UART011_DMAWM_TX_4 2 -#define ST_UART011_DMAWM_TX_8 3 -#define ST_UART011_DMAWM_TX_16 4 -#define ST_UART011_DMAWM_TX_32 5 -#define ST_UART011_DMAWM_TX_48 6 - -#define UART010_IIR_RTIS 0x08 -#define UART010_IIR_TIS 0x04 -#define UART010_IIR_RIS 0x02 -#define UART010_IIR_MIS 0x01 - -#define UART011_IFLS_RX1_8 (0 << 3) -#define UART011_IFLS_RX2_8 (1 << 3) -#define UART011_IFLS_RX4_8 (2 << 3) -#define UART011_IFLS_RX6_8 (3 << 3) -#define UART011_IFLS_RX7_8 (4 << 3) -#define UART011_IFLS_TX1_8 (0 << 0) -#define UART011_IFLS_TX2_8 (1 << 0) -#define UART011_IFLS_TX4_8 (2 << 0) -#define UART011_IFLS_TX6_8 (3 << 0) -#define UART011_IFLS_TX7_8 (4 << 0) +#define UART01x_LCRH_FEN BIT(4) +#define UART01x_LCRH_STP2 BIT(3) +#define UART01x_LCRH_EPS BIT(2) +#define UART01x_LCRH_PEN BIT(1) +#define UART01x_LCRH_BRK BIT(0) + +#define ST_UART011_DMAWM_RX GENMASK(5, 3) +#define ST_UART011_DMAWM_RX_1 FIELD_PREP_CONST(ST_UART011_DMAWM_RX, 0) +#define ST_UART011_DMAWM_RX_2 FIELD_PREP_CONST(ST_UART011_DMAWM_RX, 1) +#define ST_UART011_DMAWM_RX_4 FIELD_PREP_CONST(ST_UART011_DMAWM_RX, 2) +#define ST_UART011_DMAWM_RX_8 FIELD_PREP_CONST(ST_UART011_DMAWM_RX, 3) +#define ST_UART011_DMAWM_RX_16 FIELD_PREP_CONST(ST_UART011_DMAWM_RX, 4) +#define ST_UART011_DMAWM_RX_32 FIELD_PREP_CONST(ST_UART011_DMAWM_RX, 5) +#define ST_UART011_DMAWM_RX_48 FIELD_PREP_CONST(ST_UART011_DMAWM_RX, 6) +#define ST_UART011_DMAWM_TX GENMASK(2, 0) +#define ST_UART011_DMAWM_TX_1 FIELD_PREP_CONST(ST_UART011_DMAWM_TX, 0) +#define ST_UART011_DMAWM_TX_2 FIELD_PREP_CONST(ST_UART011_DMAWM_TX, 1) +#define ST_UART011_DMAWM_TX_4 FIELD_PREP_CONST(ST_UART011_DMAWM_TX, 2) +#define ST_UART011_DMAWM_TX_8 FIELD_PREP_CONST(ST_UART011_DMAWM_TX, 3) +#define ST_UART011_DMAWM_TX_16 FIELD_PREP_CONST(ST_UART011_DMAWM_TX, 4) +#define ST_UART011_DMAWM_TX_32 FIELD_PREP_CONST(ST_UART011_DMAWM_TX, 5) +#define ST_UART011_DMAWM_TX_48 FIELD_PREP_CONST(ST_UART011_DMAWM_TX, 6) + +#define UART010_IIR_RTIS BIT(3) +#define UART010_IIR_TIS BIT(2) +#define UART010_IIR_RIS BIT(1) +#define UART010_IIR_MIS BIT(0) + +#define UART011_IFLS_RXIFLSEL GENMASK(5, 3) +#define UART011_IFLS_RX1_8 FIELD_PREP_CONST(UART011_IFLS_RXIFLSEL, 0) +#define UART011_IFLS_RX2_8 FIELD_PREP_CONST(UART011_IFLS_RXIFLSEL, 1) +#define UART011_IFLS_RX4_8 FIELD_PREP_CONST(UART011_IFLS_RXIFLSEL, 2) +#define UART011_IFLS_RX6_8 FIELD_PREP_CONST(UART011_IFLS_RXIFLSEL, 3) +#define UART011_IFLS_RX7_8 FIELD_PREP_CONST(UART011_IFLS_RXIFLSEL, 4) +#define UART011_IFLS_TXIFLSEL GENMASK(2, 0) +#define UART011_IFLS_TX1_8 FIELD_PREP_CONST(UART011_IFLS_TXIFLSEL, 0) +#define UART011_IFLS_TX2_8 FIELD_PREP_CONST(UART011_IFLS_TXIFLSEL, 1) +#define UART011_IFLS_TX4_8 FIELD_PREP_CONST(UART011_IFLS_TXIFLSEL, 2) +#define UART011_IFLS_TX6_8 FIELD_PREP_CONST(UART011_IFLS_TXIFLSEL, 3) +#define UART011_IFLS_TX7_8 FIELD_PREP_CONST(UART011_IFLS_TXIFLSEL, 4) /* special values for ST vendor with deeper fifo */ -#define UART011_IFLS_RX_HALF (5 << 3) -#define UART011_IFLS_TX_HALF (5 << 0) - -#define UART011_OEIM (1 << 10) /* overrun error interrupt mask */ -#define UART011_BEIM (1 << 9) /* break error interrupt mask */ -#define UART011_PEIM (1 << 8) /* parity error interrupt mask */ -#define UART011_FEIM (1 << 7) /* framing error interrupt mask */ -#define UART011_RTIM (1 << 6) /* receive timeout interrupt mask */ -#define UART011_TXIM (1 << 5) /* transmit interrupt mask */ -#define UART011_RXIM (1 << 4) /* receive interrupt mask */ -#define UART011_DSRMIM (1 << 3) /* DSR interrupt mask */ -#define UART011_DCDMIM (1 << 2) /* DCD interrupt mask */ -#define UART011_CTSMIM (1 << 1) /* CTS interrupt mask */ -#define UART011_RIMIM (1 << 0) /* RI interrupt mask */ - -#define UART011_OEIS (1 << 10) /* overrun error interrupt status */ -#define UART011_BEIS (1 << 9) /* break error interrupt status */ -#define UART011_PEIS (1 << 8) /* parity error interrupt status */ -#define UART011_FEIS (1 << 7) /* framing error interrupt status */ -#define UART011_RTIS (1 << 6) /* receive timeout interrupt status */ -#define UART011_TXIS (1 << 5) /* transmit interrupt status */ -#define UART011_RXIS (1 << 4) /* receive interrupt status */ -#define UART011_DSRMIS (1 << 3) /* DSR interrupt status */ -#define UART011_DCDMIS (1 << 2) /* DCD interrupt status */ -#define UART011_CTSMIS (1 << 1) /* CTS interrupt status */ -#define UART011_RIMIS (1 << 0) /* RI interrupt status */ - -#define UART011_OEIC (1 << 10) /* overrun error interrupt clear */ -#define UART011_BEIC (1 << 9) /* break error interrupt clear */ -#define UART011_PEIC (1 << 8) /* parity error interrupt clear */ -#define UART011_FEIC (1 << 7) /* framing error interrupt clear */ -#define UART011_RTIC (1 << 6) /* receive timeout interrupt clear */ -#define UART011_TXIC (1 << 5) /* transmit interrupt clear */ -#define UART011_RXIC (1 << 4) /* receive interrupt clear */ -#define UART011_DSRMIC (1 << 3) /* DSR interrupt clear */ -#define UART011_DCDMIC (1 << 2) /* DCD interrupt clear */ -#define UART011_CTSMIC (1 << 1) /* CTS interrupt clear */ -#define UART011_RIMIC (1 << 0) /* RI interrupt clear */ - -#define UART011_DMAONERR (1 << 2) /* disable dma on error */ -#define UART011_TXDMAE (1 << 1) /* enable transmit dma */ -#define UART011_RXDMAE (1 << 0) /* enable receive dma */ - -#define UART01x_RSR_ANY (UART01x_RSR_OE|UART01x_RSR_BE|UART01x_RSR_PE|UART01x_RSR_FE) -#define UART01x_FR_MODEM_ANY (UART01x_FR_DCD|UART01x_FR_DSR|UART01x_FR_CTS) +#define UART011_IFLS_RX_HALF FIELD_PREP_CONST(UART011_IFLS_RXIFLSEL, 5) +#define UART011_IFLS_TX_HALF FIELD_PREP_CONST(UART011_IFLS_TXIFLSEL, 5) + +#define UART011_OEIM BIT(10) /* overrun error interrupt mask */ +#define UART011_BEIM BIT(9) /* break error interrupt mask */ +#define UART011_PEIM BIT(8) /* parity error interrupt mask */ +#define UART011_FEIM BIT(7) /* framing error interrupt mask */ +#define UART011_RTIM BIT(6) /* receive timeout interrupt mask */ +#define UART011_TXIM BIT(5) /* transmit interrupt mask */ +#define UART011_RXIM BIT(4) /* receive interrupt mask */ +#define UART011_DSRMIM BIT(3) /* DSR interrupt mask */ +#define UART011_DCDMIM BIT(2) /* DCD interrupt mask */ +#define UART011_CTSMIM BIT(1) /* CTS interrupt mask */ +#define UART011_RIMIM BIT(0) /* RI interrupt mask */ + +#define UART011_OEIS BIT(10) /* overrun error interrupt status */ +#define UART011_BEIS BIT(9) /* break error interrupt status */ +#define UART011_PEIS BIT(8) /* parity error interrupt status */ +#define UART011_FEIS BIT(7) /* framing error interrupt status */ +#define UART011_RTIS BIT(6) /* receive timeout interrupt status */ +#define UART011_TXIS BIT(5) /* transmit interrupt status */ +#define UART011_RXIS BIT(4) /* receive interrupt status */ +#define UART011_DSRMIS BIT(3) /* DSR interrupt status */ +#define UART011_DCDMIS BIT(2) /* DCD interrupt status */ +#define UART011_CTSMIS BIT(1) /* CTS interrupt status */ +#define UART011_RIMIS BIT(0) /* RI interrupt status */ + +#define UART011_OEIC BIT(10) /* overrun error interrupt clear */ +#define UART011_BEIC BIT(9) /* break error interrupt clear */ +#define UART011_PEIC BIT(8) /* parity error interrupt clear */ +#define UART011_FEIC BIT(7) /* framing error interrupt clear */ +#define UART011_RTIC BIT(6) /* receive timeout interrupt clear */ +#define UART011_TXIC BIT(5) /* transmit interrupt clear */ +#define UART011_RXIC BIT(4) /* receive interrupt clear */ +#define UART011_DSRMIC BIT(3) /* DSR interrupt clear */ +#define UART011_DCDMIC BIT(2) /* DCD interrupt clear */ +#define UART011_CTSMIC BIT(1) /* CTS interrupt clear */ +#define UART011_RIMIC BIT(0) /* RI interrupt clear */ + +#define UART011_DMAONERR BIT(2) /* disable dma on error */ +#define UART011_TXDMAE BIT(1) /* enable transmit dma */ +#define UART011_RXDMAE BIT(0) /* enable receive dma */ + +#define UART01x_RSR_ANY (UART01x_RSR_OE | UART01x_RSR_BE | UART01x_RSR_PE | UART01x_RSR_FE) +#define UART01x_FR_MODEM_ANY (UART01x_FR_DCD | UART01x_FR_DSR | UART01x_FR_CTS) #ifndef __ASSEMBLY__ struct amba_device; /* in uncompress this is included but amba/bus.h is not */ @@ -220,8 +229,8 @@ struct amba_pl011_data { bool dma_rx_poll_enable; unsigned int dma_rx_poll_rate; unsigned int dma_rx_poll_timeout; - void (*init) (void); - void (*exit) (void); + void (*init)(void); + void (*exit)(void); }; #endif diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h index 5deaddbd7927..93a5f16d03f3 100644 --- a/include/linux/anon_inodes.h +++ b/include/linux/anon_inodes.h @@ -15,13 +15,13 @@ struct inode; struct file *anon_inode_getfile(const char *name, const struct file_operations *fops, void *priv, int flags); -struct file *anon_inode_getfile_secure(const char *name, +struct file *anon_inode_create_getfile(const char *name, const struct file_operations *fops, void *priv, int flags, const struct inode *context_inode); int anon_inode_getfd(const char *name, const struct file_operations *fops, void *priv, int flags); -int anon_inode_getfd_secure(const char *name, +int anon_inode_create_getfd(const char *name, const struct file_operations *fops, void *priv, int flags, const struct inode *context_inode); diff --git a/include/linux/bio.h b/include/linux/bio.h index ec4db73e5f4e..875d792bffff 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -286,6 +286,11 @@ static inline void bio_first_folio(struct folio_iter *fi, struct bio *bio, { struct bio_vec *bvec = bio_first_bvec_all(bio) + i; + if (unlikely(i >= bio->bi_vcnt)) { + fi->folio = NULL; + return; + } + fi->folio = page_folio(bvec->bv_page); fi->offset = bvec->bv_offset + PAGE_SIZE * (bvec->bv_page - &fi->folio->page); @@ -303,10 +308,8 @@ static inline void bio_next_folio(struct folio_iter *fi, struct bio *bio) fi->offset = 0; fi->length = min(folio_size(fi->folio), fi->_seg_count); fi->_next = folio_next(fi->folio); - } else if (fi->_i + 1 < bio->bi_vcnt) { - bio_first_folio(fi, bio, fi->_i + 1); } else { - fi->folio = NULL; + bio_first_folio(fi, bio, fi->_i + 1); } } diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index a676e116085f..7a8150a5f051 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -391,9 +391,6 @@ struct blk_mq_hw_ctx { */ struct blk_mq_tags *sched_tags; - /** @run: Number of dispatched requests. */ - unsigned long run; - /** @numa_node: NUMA node the storage adapter has been connected to. */ unsigned int numa_node; /** @queue_num: Index of this hardware queue. */ diff --git a/include/linux/btf.h b/include/linux/btf.h index 59d404e22814..cf5c6ff48981 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -512,7 +512,7 @@ s32 btf_find_dtor_kfunc(struct btf *btf, u32 btf_id); int register_btf_id_dtor_kfuncs(const struct btf_id_dtor_kfunc *dtors, u32 add_cnt, struct module *owner); struct btf_struct_meta *btf_find_struct_meta(const struct btf *btf, u32 btf_id); -const struct btf_member * +const struct btf_type * btf_get_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf, const struct btf_type *t, enum bpf_prog_type prog_type, int arg); diff --git a/include/linux/cdx/cdx_bus.h b/include/linux/cdx/cdx_bus.h index 94ad2c9017c9..6355a36a3f81 100644 --- a/include/linux/cdx/cdx_bus.h +++ b/include/linux/cdx/cdx_bus.h @@ -113,6 +113,7 @@ struct cdx_controller { * @dev_num: Device number for this device * @res: array of MMIO region entries * @res_attr: resource binary attribute + * @debugfs_dir: debugfs directory for this device * @res_count: number of valid MMIO regions * @dma_mask: Default DMA mask * @flags: CDX device flags @@ -135,6 +136,8 @@ struct cdx_device { u8 bus_num; u8 dev_num; struct resource res[MAX_CDX_DEV_RESOURCES]; + struct bin_attribute *res_attr[MAX_CDX_DEV_RESOURCES]; + struct dentry *debugfs_dir; u8 res_count; u64 dma_mask; u16 flags; @@ -147,6 +150,15 @@ struct cdx_device { #define to_cdx_device(_dev) \ container_of(_dev, struct cdx_device, dev) +#define cdx_resource_start(dev, num) ((dev)->res[(num)].start) +#define cdx_resource_end(dev, num) ((dev)->res[(num)].end) +#define cdx_resource_flags(dev, num) ((dev)->res[(num)].flags) +#define cdx_resource_len(dev, num) \ + ((cdx_resource_start((dev), (num)) == 0 && \ + cdx_resource_end((dev), (num)) == \ + cdx_resource_start((dev), (num))) ? 0 : \ + (cdx_resource_end((dev), (num)) - \ + cdx_resource_start((dev), (num)) + 1)) /** * struct cdx_driver - CDX device driver * @driver: Generic device driver diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index b8610e9d2471..fa018d5864e7 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -572,9 +572,12 @@ int __ceph_alloc_sparse_ext_map(struct ceph_osd_req_op *op, int cnt); */ #define CEPH_SPARSE_EXT_ARRAY_INITIAL 16 -static inline int ceph_alloc_sparse_ext_map(struct ceph_osd_req_op *op) +static inline int ceph_alloc_sparse_ext_map(struct ceph_osd_req_op *op, int cnt) { - return __ceph_alloc_sparse_ext_map(op, CEPH_SPARSE_EXT_ARRAY_INITIAL); + if (!cnt) + cnt = CEPH_SPARSE_EXT_ARRAY_INITIAL; + + return __ceph_alloc_sparse_ext_map(op, cnt); } extern void ceph_osdc_get_request(struct ceph_osd_request *req); diff --git a/include/linux/container.h b/include/linux/container.h index 2566a1baa736..dd00cc918a92 100644 --- a/include/linux/container.h +++ b/include/linux/container.h @@ -12,7 +12,7 @@ #include <linux/device.h> /* drivers/base/power/container.c */ -extern struct bus_type container_subsys; +extern const struct bus_type container_subsys; struct container_dev { struct device dev; diff --git a/include/linux/coresight.h b/include/linux/coresight.h index a269fffaf991..a4cb7dd6ca23 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -64,6 +64,7 @@ enum coresight_dev_subtype_source { CORESIGHT_DEV_SUBTYPE_SOURCE_PROC, CORESIGHT_DEV_SUBTYPE_SOURCE_BUS, CORESIGHT_DEV_SUBTYPE_SOURCE_SOFTWARE, + CORESIGHT_DEV_SUBTYPE_SOURCE_TPDM, CORESIGHT_DEV_SUBTYPE_SOURCE_OTHERS, }; diff --git a/include/linux/cpu.h b/include/linux/cpu.h index fc8094419084..dcb89c987164 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -80,6 +80,7 @@ extern __printf(4, 5) struct device *cpu_device_create(struct device *parent, void *drvdata, const struct attribute_group **groups, const char *fmt, ...); +extern bool arch_cpu_is_hotpluggable(int cpu); extern int arch_register_cpu(int cpu); extern void arch_unregister_cpu(int cpu); #ifdef CONFIG_HOTPLUG_CPU @@ -88,6 +89,10 @@ extern ssize_t arch_cpu_probe(const char *, size_t); extern ssize_t arch_cpu_release(const char *, size_t); #endif +#ifdef CONFIG_GENERIC_CPU_DEVICES +DECLARE_PER_CPU(struct cpu, cpu_devices); +#endif + /* * These states are not related to the core CPU hotplug mechanism. They are * used by various (sub)architectures to track internal state diff --git a/include/linux/cxl-event.h b/include/linux/cxl-event.h new file mode 100644 index 000000000000..91125eca4c8a --- /dev/null +++ b/include/linux/cxl-event.h @@ -0,0 +1,161 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2023 Intel Corporation. */ +#ifndef _LINUX_CXL_EVENT_H +#define _LINUX_CXL_EVENT_H + +/* + * Common Event Record Format + * CXL rev 3.0 section 8.2.9.2.1; Table 8-42 + */ +struct cxl_event_record_hdr { + u8 length; + u8 flags[3]; + __le16 handle; + __le16 related_handle; + __le64 timestamp; + u8 maint_op_class; + u8 reserved[15]; +} __packed; + +#define CXL_EVENT_RECORD_DATA_LENGTH 0x50 +struct cxl_event_generic { + struct cxl_event_record_hdr hdr; + u8 data[CXL_EVENT_RECORD_DATA_LENGTH]; +} __packed; + +/* + * General Media Event Record + * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43 + */ +#define CXL_EVENT_GEN_MED_COMP_ID_SIZE 0x10 +struct cxl_event_gen_media { + struct cxl_event_record_hdr hdr; + __le64 phys_addr; + u8 descriptor; + u8 type; + u8 transaction_type; + u8 validity_flags[2]; + u8 channel; + u8 rank; + u8 device[3]; + u8 component_id[CXL_EVENT_GEN_MED_COMP_ID_SIZE]; + u8 reserved[46]; +} __packed; + +/* + * DRAM Event Record - DER + * CXL rev 3.0 section 8.2.9.2.1.2; Table 3-44 + */ +#define CXL_EVENT_DER_CORRECTION_MASK_SIZE 0x20 +struct cxl_event_dram { + struct cxl_event_record_hdr hdr; + __le64 phys_addr; + u8 descriptor; + u8 type; + u8 transaction_type; + u8 validity_flags[2]; + u8 channel; + u8 rank; + u8 nibble_mask[3]; + u8 bank_group; + u8 bank; + u8 row[3]; + u8 column[2]; + u8 correction_mask[CXL_EVENT_DER_CORRECTION_MASK_SIZE]; + u8 reserved[0x17]; +} __packed; + +/* + * Get Health Info Record + * CXL rev 3.0 section 8.2.9.8.3.1; Table 8-100 + */ +struct cxl_get_health_info { + u8 health_status; + u8 media_status; + u8 add_status; + u8 life_used; + u8 device_temp[2]; + u8 dirty_shutdown_cnt[4]; + u8 cor_vol_err_cnt[4]; + u8 cor_per_err_cnt[4]; +} __packed; + +/* + * Memory Module Event Record + * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45 + */ +struct cxl_event_mem_module { + struct cxl_event_record_hdr hdr; + u8 event_type; + struct cxl_get_health_info info; + u8 reserved[0x3d]; +} __packed; + +union cxl_event { + struct cxl_event_generic generic; + struct cxl_event_gen_media gen_media; + struct cxl_event_dram dram; + struct cxl_event_mem_module mem_module; +} __packed; + +/* + * Common Event Record Format; in event logs + * CXL rev 3.0 section 8.2.9.2.1; Table 8-42 + */ +struct cxl_event_record_raw { + uuid_t id; + union cxl_event event; +} __packed; + +enum cxl_event_type { + CXL_CPER_EVENT_GENERIC, + CXL_CPER_EVENT_GEN_MEDIA, + CXL_CPER_EVENT_DRAM, + CXL_CPER_EVENT_MEM_MODULE, +}; + +#define CPER_CXL_DEVICE_ID_VALID BIT(0) +#define CPER_CXL_DEVICE_SN_VALID BIT(1) +#define CPER_CXL_COMP_EVENT_LOG_VALID BIT(2) +struct cxl_cper_event_rec { + struct { + u32 length; + u64 validation_bits; + struct cper_cxl_event_devid { + u16 vendor_id; + u16 device_id; + u8 func_num; + u8 device_num; + u8 bus_num; + u16 segment_num; + u16 slot_num; /* bits 2:0 reserved */ + u8 reserved; + } __packed device_id; + struct cper_cxl_event_sn { + u32 lower_dw; + u32 upper_dw; + } __packed dev_serial_num; + } __packed hdr; + + union cxl_event event; +} __packed; + +typedef void (*cxl_cper_callback)(enum cxl_event_type type, + struct cxl_cper_event_rec *rec); + +#ifdef CONFIG_ACPI_APEI_GHES +int cxl_cper_register_callback(cxl_cper_callback callback); +int cxl_cper_unregister_callback(cxl_cper_callback callback); +#else +static inline int cxl_cper_register_callback(cxl_cper_callback callback) +{ + return 0; +} + +static inline int cxl_cper_unregister_callback(cxl_cper_callback callback) +{ + return 0; +} +#endif + +#endif /* _LINUX_CXL_EVENT_H */ diff --git a/include/linux/device.h b/include/linux/device.h index 6c83294395ac..97c4b046c09d 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -42,7 +42,6 @@ struct class; struct subsys_private; struct device_node; struct fwnode_handle; -struct iommu_ops; struct iommu_group; struct dev_pin_info; struct dev_iommu; @@ -63,7 +62,7 @@ struct msi_device_data; */ struct subsys_interface { const char *name; - struct bus_type *subsys; + const struct bus_type *subsys; struct list_head node; int (*add_dev)(struct device *dev, struct subsys_interface *sif); void (*remove_dev)(struct device *dev, struct subsys_interface *sif); @@ -72,9 +71,9 @@ struct subsys_interface { int subsys_interface_register(struct subsys_interface *sif); void subsys_interface_unregister(struct subsys_interface *sif); -int subsys_system_register(struct bus_type *subsys, +int subsys_system_register(const struct bus_type *subsys, const struct attribute_group **groups); -int subsys_virtual_register(struct bus_type *subsys, +int subsys_virtual_register(const struct bus_type *subsys, const struct attribute_group **groups); /* @@ -662,7 +661,6 @@ struct device_physical_location { * @id: device instance * @devres_lock: Spinlock to protect the resource of the device. * @devres_head: The resources list of the device. - * @knode_class: The node used to add the device to the class list. * @class: The class of the device. * @groups: Optional attribute groups. * @release: Callback to free the device after all references have @@ -1073,7 +1071,6 @@ 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); -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 ae10c4322754..5ef4ec1c36c3 100644 --- a/include/linux/device/bus.h +++ b/include/linux/device/bus.h @@ -62,9 +62,6 @@ struct fwnode_handle; * this bus. * @pm: Power management operations of this bus, callback the specific * device driver's pm-ops. - * @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 * @need_parent_lock: When probing or removing a device on this bus, the * device core should lock the device's parent. * @@ -104,8 +101,6 @@ struct bus_type { const struct dev_pm_ops *pm; - const struct iommu_ops *iommu_ops; - bool need_parent_lock; }; @@ -232,7 +227,7 @@ bus_find_device_by_acpi_dev(const struct bus_type *bus, const void *adev) 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, +void bus_sort_breadthfirst(const struct bus_type *bus, int (*compare)(const struct device *a, const struct device *b)); /* diff --git a/include/linux/device/class.h b/include/linux/device/class.h index abf3d3bfb6fe..c576b49c55c2 100644 --- a/include/linux/device/class.h +++ b/include/linux/device/class.h @@ -40,8 +40,6 @@ struct fwnode_handle; * for the devices belonging to the class. Usually tied to * device's namespace. * @pm: The default device power management operations of this class. - * @p: The private data of the driver core, no one other than the - * driver core can touch this. * * A class is a higher-level view of a device that abstracts out low-level * implementation details. Drivers may see a SCSI disk or an ATA disk, but, diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index f2fc203fb8a1..4abc60f04209 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -11,6 +11,7 @@ #include <linux/slab.h> struct cma; +struct iommu_ops; /* * Values for struct dma_map_ops.flags: @@ -426,10 +427,10 @@ bool arch_dma_unmap_sg_direct(struct device *dev, struct scatterlist *sg, #ifdef CONFIG_ARCH_HAS_SETUP_DMA_OPS void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, - const struct iommu_ops *iommu, bool coherent); + bool coherent); #else static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base, - u64 size, const struct iommu_ops *iommu, bool coherent) + u64 size, bool coherent) { } #endif /* CONFIG_ARCH_HAS_SETUP_DMA_OPS */ @@ -443,10 +444,10 @@ static inline void arch_teardown_dma_ops(struct device *dev) #endif /* CONFIG_ARCH_HAS_TEARDOWN_DMA_OPS */ #ifdef CONFIG_DMA_API_DEBUG -void dma_debug_add_bus(struct bus_type *bus); +void dma_debug_add_bus(const struct bus_type *bus); void debug_dma_dump_mappings(struct device *dev); #else -static inline void dma_debug_add_bus(struct bus_type *bus) +static inline void dma_debug_add_bus(const struct bus_type *bus) { } static inline void debug_dma_dump_mappings(struct device *dev) diff --git a/include/linux/edac.h b/include/linux/edac.h index 1174beb94ab6..b4ee8961e623 100644 --- a/include/linux/edac.h +++ b/include/linux/edac.h @@ -30,7 +30,7 @@ struct device; extern int edac_op_state; -struct bus_type *edac_get_sysfs_subsys(void); +const struct bus_type *edac_get_sysfs_subsys(void); static inline void opstate_init(void) { @@ -495,7 +495,7 @@ struct edac_raw_error_desc { */ struct mem_ctl_info { struct device dev; - struct bus_type *bus; + const struct bus_type *bus; struct list_head link; /* for global list of mem_ctl_info structs */ diff --git a/include/linux/export.h b/include/linux/export.h index 9911508a9604..0bbd02fd351d 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -7,15 +7,6 @@ #include <linux/stringify.h> /* - * Export symbols from the kernel to modules. Forked from module.h - * to reduce the amount of pointless cruft we feed to gcc when only - * exporting a simple symbol or two. - * - * Try not to add #includes here. It slows compilation and makes kernel - * hackers place grumpy comments in header files. - */ - -/* * This comment block is used by fixdep. Please do not remove. * * When CONFIG_MODVERSIONS is changed from n to y, all source files having @@ -23,15 +14,6 @@ * side effect of the *.o build rule. */ -#ifndef __ASSEMBLY__ -#ifdef MODULE -extern struct module __this_module; -#define THIS_MODULE (&__this_module) -#else -#define THIS_MODULE ((struct module *)0) -#endif -#endif /* __ASSEMBLY__ */ - #ifdef CONFIG_64BIT #define __EXPORT_SYMBOL_REF(sym) \ .balign 8 ASM_NL \ diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index d1ea3898564c..9a7e52739251 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -32,6 +32,7 @@ #define PM_SIP_SVC 0xC2000000 /* PM API versions */ +#define PM_API_VERSION_1 1 #define PM_API_VERSION_2 2 #define PM_PINCTRL_PARAM_SET_VERSION 2 @@ -47,6 +48,9 @@ #define FAMILY_CODE_MASK GENMASK(27, 21) #define SUB_FAMILY_CODE_MASK GENMASK(20, 19) +#define API_ID_MASK GENMASK(7, 0) +#define MODULE_ID_MASK GENMASK(11, 8) + /* ATF only commands */ #define TF_A_PM_REGISTER_SGI 0xa04 #define PM_GET_TRUSTZONE_VERSION 0xa03 @@ -91,10 +95,18 @@ /* * Node IDs for the Error Events. */ -#define EVENT_ERROR_PMC_ERR1 (0x28100000U) -#define EVENT_ERROR_PMC_ERR2 (0x28104000U) -#define EVENT_ERROR_PSM_ERR1 (0x28108000U) -#define EVENT_ERROR_PSM_ERR2 (0x2810C000U) +#define VERSAL_EVENT_ERROR_PMC_ERR1 (0x28100000U) +#define VERSAL_EVENT_ERROR_PMC_ERR2 (0x28104000U) +#define VERSAL_EVENT_ERROR_PSM_ERR1 (0x28108000U) +#define VERSAL_EVENT_ERROR_PSM_ERR2 (0x2810C000U) + +#define VERSAL_NET_EVENT_ERROR_PMC_ERR1 (0x28100000U) +#define VERSAL_NET_EVENT_ERROR_PMC_ERR2 (0x28104000U) +#define VERSAL_NET_EVENT_ERROR_PMC_ERR3 (0x28108000U) +#define VERSAL_NET_EVENT_ERROR_PSM_ERR1 (0x2810C000U) +#define VERSAL_NET_EVENT_ERROR_PSM_ERR2 (0x28110000U) +#define VERSAL_NET_EVENT_ERROR_PSM_ERR3 (0x28114000U) +#define VERSAL_NET_EVENT_ERROR_PSM_ERR4 (0x28118000U) /* ZynqMP SD tap delay tuning */ #define SD_ITAPDLY 0xFF180314 @@ -112,6 +124,12 @@ #define XPM_EVENT_ERROR_MASK_NOC_NCR BIT(13) #define XPM_EVENT_ERROR_MASK_NOC_CR BIT(12) +enum pm_module_id { + PM_MODULE_ID = 0x0, + XSEM_MODULE_ID = 0x3, + TF_A_MODULE_ID = 0xa, +}; + enum pm_api_cb_id { PM_INIT_SUSPEND_CB = 30, PM_ACKNOWLEDGE_CB = 31, @@ -119,6 +137,7 @@ enum pm_api_cb_id { }; enum pm_api_id { + PM_API_FEATURES = 0, PM_GET_API_VERSION = 1, PM_REGISTER_NOTIFIER = 5, PM_FORCE_POWERDOWN = 8, @@ -138,7 +157,6 @@ enum pm_api_id { PM_SECURE_SHA = 26, PM_PINCTRL_REQUEST = 28, PM_PINCTRL_RELEASE = 29, - PM_PINCTRL_GET_FUNCTION = 30, PM_PINCTRL_SET_FUNCTION = 31, PM_PINCTRL_CONFIG_PARAM_GET = 32, PM_PINCTRL_CONFIG_PARAM_SET = 33, @@ -149,8 +167,6 @@ enum pm_api_id { PM_CLOCK_GETSTATE = 38, PM_CLOCK_SETDIVIDER = 39, PM_CLOCK_GETDIVIDER = 40, - PM_CLOCK_SETRATE = 41, - PM_CLOCK_GETRATE = 42, PM_CLOCK_SETPARENT = 43, PM_CLOCK_GETPARENT = 44, PM_FPGA_READ = 46, @@ -161,7 +177,9 @@ enum pm_api_id { /* PMU-FW return status codes */ enum pm_ret_status { XST_PM_SUCCESS = 0, + XST_PM_INVALID_VERSION = 4, XST_PM_NO_FEATURE = 19, + XST_PM_INVALID_CRC = 301, XST_PM_INTERNAL = 2000, XST_PM_CONFLICT = 2001, XST_PM_NO_ACCESS = 2002, @@ -509,20 +527,18 @@ struct zynqmp_pm_query_data { u32 arg3; }; -int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1, - u32 arg2, u32 arg3, u32 *ret_payload); +int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 *ret_payload, u32 num_args, ...); #if IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE) int zynqmp_pm_get_api_version(u32 *version); int zynqmp_pm_get_chipid(u32 *idcode, u32 *version); +int zynqmp_pm_get_family_info(u32 *family, u32 *subfamily); int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata, u32 *out); int zynqmp_pm_clock_enable(u32 clock_id); int zynqmp_pm_clock_disable(u32 clock_id); int zynqmp_pm_clock_getstate(u32 clock_id, u32 *state); int zynqmp_pm_clock_setdivider(u32 clock_id, u32 divider); int zynqmp_pm_clock_getdivider(u32 clock_id, u32 *divider); -int zynqmp_pm_clock_setrate(u32 clock_id, u64 rate); -int zynqmp_pm_clock_getrate(u32 clock_id, u64 *rate); int zynqmp_pm_clock_setparent(u32 clock_id, u32 parent_id); int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id); int zynqmp_pm_set_pll_frac_mode(u32 clk_id, u32 mode); @@ -559,7 +575,6 @@ int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype); int zynqmp_pm_set_boot_health_status(u32 value); int zynqmp_pm_pinctrl_request(const u32 pin); int zynqmp_pm_pinctrl_release(const u32 pin); -int zynqmp_pm_pinctrl_get_function(const u32 pin, u32 *id); int zynqmp_pm_pinctrl_set_function(const u32 pin, const u32 id); int zynqmp_pm_pinctrl_get_config(const u32 pin, const u32 param, u32 *value); @@ -596,6 +611,11 @@ static inline int zynqmp_pm_get_chipid(u32 *idcode, u32 *version) return -ENODEV; } +static inline int zynqmp_pm_get_family_info(u32 *family, u32 *subfamily) +{ + return -ENODEV; +} + static inline int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata, u32 *out) { @@ -627,16 +647,6 @@ static inline int zynqmp_pm_clock_getdivider(u32 clock_id, u32 *divider) return -ENODEV; } -static inline int zynqmp_pm_clock_setrate(u32 clock_id, u64 rate) -{ - return -ENODEV; -} - -static inline int zynqmp_pm_clock_getrate(u32 clock_id, u64 *rate) -{ - return -ENODEV; -} - static inline int zynqmp_pm_clock_setparent(u32 clock_id, u32 parent_id) { return -ENODEV; @@ -806,11 +816,6 @@ static inline int zynqmp_pm_pinctrl_release(const u32 pin) return -ENODEV; } -static inline int zynqmp_pm_pinctrl_get_function(const u32 pin, u32 *id) -{ - return -ENODEV; -} - static inline int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id) { return -ENODEV; diff --git a/include/linux/fortify-string.h b/include/linux/fortify-string.h index 79ef6ac4c021..89a6888f2f9e 100644 --- a/include/linux/fortify-string.h +++ b/include/linux/fortify-string.h @@ -214,51 +214,6 @@ __kernel_size_t __fortify_strlen(const char * const POS p) return ret; } -/* Defined after fortified strlen() to reuse it. */ -extern size_t __real_strlcpy(char *, const char *, size_t) __RENAME(strlcpy); -/** - * strlcpy - Copy a string into another string buffer - * - * @p: pointer to destination of copy - * @q: pointer to NUL-terminated source string to copy - * @size: maximum number of bytes to write at @p - * - * If strlen(@q) >= @size, the copy of @q will be truncated at - * @size - 1 bytes. @p will always be NUL-terminated. - * - * Do not use this function. While FORTIFY_SOURCE tries to avoid - * over-reads when calculating strlen(@q), it is still possible. - * Prefer strscpy(), though note its different return values for - * detecting truncation. - * - * Returns total number of bytes written to @p, including terminating NUL. - * - */ -__FORTIFY_INLINE size_t strlcpy(char * const POS p, const char * const POS q, size_t size) -{ - const size_t p_size = __member_size(p); - const size_t q_size = __member_size(q); - size_t q_len; /* Full count of source string length. */ - size_t len; /* Count of characters going into destination. */ - - if (p_size == SIZE_MAX && q_size == SIZE_MAX) - return __real_strlcpy(p, q, size); - q_len = strlen(q); - len = (q_len >= size) ? size - 1 : q_len; - if (__builtin_constant_p(size) && __builtin_constant_p(q_len) && size) { - /* Write size is always larger than destination. */ - if (len >= p_size) - __write_overflow(); - } - if (size) { - if (len >= p_size) - fortify_panic(__func__); - __underlying_memcpy(p, q, len); - p[len] = '\0'; - } - return q_len; -} - /* Defined after fortified strnlen() to reuse it. */ extern ssize_t __real_strscpy(char *, const char *, size_t) __RENAME(strscpy); /** @@ -272,12 +227,6 @@ extern ssize_t __real_strscpy(char *, const char *, size_t) __RENAME(strscpy); * @p buffer. The behavior is undefined if the string buffers overlap. The * destination @p buffer is always NUL terminated, unless it's zero-sized. * - * Preferred to strlcpy() since the API doesn't require reading memory - * from the source @q string beyond the specified @size bytes, and since - * the return value is easier to error-check than strlcpy()'s. - * In addition, the implementation is robust to the string changing out - * from underneath it, unlike the current strlcpy() implementation. - * * Preferred to strncpy() since it always returns a valid string, and * doesn't unnecessarily force the tail of the destination buffer to be * zero padded. If padding is desired please use strscpy_pad(). diff --git a/include/linux/fs.h b/include/linux/fs.h index e6ba0cc6f2ee..ed5966a70495 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2371,7 +2371,7 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src, #define I_CREATING (1 << 15) #define I_DONTCACHE (1 << 16) #define I_SYNC_QUEUED (1 << 17) -#define I_PINNING_FSCACHE_WB (1 << 18) +#define I_PINNING_NETFS_WB (1 << 18) #define I_DIRTY_INODE (I_DIRTY_SYNC | I_DIRTY_DATASYNC) #define I_DIRTY (I_DIRTY_INODE | I_DIRTY_PAGES) diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h index a174cedf4d90..bdf7f3eddf0a 100644 --- a/include/linux/fscache-cache.h +++ b/include/linux/fscache-cache.h @@ -189,17 +189,20 @@ extern atomic_t fscache_n_write; extern atomic_t fscache_n_no_write_space; extern atomic_t fscache_n_no_create_space; extern atomic_t fscache_n_culled; +extern atomic_t fscache_n_dio_misfit; #define fscache_count_read() atomic_inc(&fscache_n_read) #define fscache_count_write() atomic_inc(&fscache_n_write) #define fscache_count_no_write_space() atomic_inc(&fscache_n_no_write_space) #define fscache_count_no_create_space() atomic_inc(&fscache_n_no_create_space) #define fscache_count_culled() atomic_inc(&fscache_n_culled) +#define fscache_count_dio_misfit() atomic_inc(&fscache_n_dio_misfit) #else #define fscache_count_read() do {} while(0) #define fscache_count_write() do {} while(0) #define fscache_count_no_write_space() do {} while(0) #define fscache_count_no_create_space() do {} while(0) #define fscache_count_culled() do {} while(0) +#define fscache_count_dio_misfit() do {} while(0) #endif #endif /* _LINUX_FSCACHE_CACHE_H */ diff --git a/include/linux/fscache.h b/include/linux/fscache.h index 8e312c8323a8..6e8562cbcc43 100644 --- a/include/linux/fscache.h +++ b/include/linux/fscache.h @@ -437,9 +437,6 @@ const struct netfs_cache_ops *fscache_operation_valid(const struct netfs_cache_r * indicates the cache resources to which the operation state should be * attached; @cookie indicates the cache object that will be accessed. * - * This is intended to be called from the ->begin_cache_operation() netfs lib - * operation as implemented by the network filesystem. - * * @cres->inval_counter is set from @cookie->inval_counter for comparison at * the end of the operation. This allows invalidation during the operation to * be detected by the caller. @@ -629,48 +626,6 @@ static inline void fscache_write_to_cache(struct fscache_cookie *cookie, } -#if __fscache_available -bool fscache_dirty_folio(struct address_space *mapping, struct folio *folio, - struct fscache_cookie *cookie); -#else -#define fscache_dirty_folio(MAPPING, FOLIO, COOKIE) \ - filemap_dirty_folio(MAPPING, FOLIO) -#endif - -/** - * fscache_unpin_writeback - Unpin writeback resources - * @wbc: The writeback control - * @cookie: The cookie referring to the cache object - * - * Unpin the writeback resources pinned by fscache_dirty_folio(). This is - * intended to be called by the netfs's ->write_inode() method. - */ -static inline void fscache_unpin_writeback(struct writeback_control *wbc, - struct fscache_cookie *cookie) -{ - if (wbc->unpinned_fscache_wb) - fscache_unuse_cookie(cookie, NULL, NULL); -} - -/** - * fscache_clear_inode_writeback - Clear writeback resources pinned by an inode - * @cookie: The cookie referring to the cache object - * @inode: The inode to clean up - * @aux: Auxiliary data to apply to the inode - * - * Clear any writeback resources held by an inode when the inode is evicted. - * This must be called before clear_inode() is called. - */ -static inline void fscache_clear_inode_writeback(struct fscache_cookie *cookie, - struct inode *inode, - const void *aux) -{ - if (inode->i_state & I_PINNING_FSCACHE_WB) { - loff_t i_size = i_size_read(inode); - fscache_unuse_cookie(cookie, aux, &i_size); - } -} - /** * fscache_note_page_release - Note that a netfs page got released * @cookie: The cookie corresponding to the file diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index 11e6434b8e71..8300a5286988 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -100,6 +100,7 @@ static inline int fsnotify_file(struct file *file, __u32 mask) return fsnotify_parent(path->dentry, mask, path, FSNOTIFY_EVENT_PATH); } +#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS /* * fsnotify_file_area_perm - permission hook before access to file range */ @@ -145,6 +146,24 @@ static inline int fsnotify_open_perm(struct file *file) return fsnotify_file(file, FS_OPEN_PERM); } +#else +static inline int fsnotify_file_area_perm(struct file *file, int perm_mask, + const loff_t *ppos, size_t count) +{ + return 0; +} + +static inline int fsnotify_file_perm(struct file *file, int perm_mask) +{ + return 0; +} + +static inline int fsnotify_open_perm(struct file *file) +{ + return 0; +} +#endif + /* * fsnotify_link_count - inode's link count changed */ diff --git a/include/linux/fw_table.h b/include/linux/fw_table.h index ca49947f0a77..95421860397a 100644 --- a/include/linux/fw_table.h +++ b/include/linux/fw_table.h @@ -25,16 +25,35 @@ struct acpi_subtable_proc { int count; }; +union fw_table_header { + struct acpi_table_header acpi; + struct acpi_table_cdat cdat; +}; + union acpi_subtable_headers { struct acpi_subtable_header common; struct acpi_hmat_structure hmat; struct acpi_prmt_module_header prmt; struct acpi_cedt_header cedt; + struct acpi_cdat_header cdat; }; int acpi_parse_entries_array(char *id, unsigned long table_size, - struct acpi_table_header *table_header, + union fw_table_header *table_header, struct acpi_subtable_proc *proc, int proc_num, unsigned int max_entries); +int cdat_table_parse(enum acpi_cdat_type type, + acpi_tbl_entry_handler_arg handler_arg, void *arg, + struct acpi_table_cdat *table_header); + +/* CXL is the only non-ACPI consumer of the FIRMWARE_TABLE library */ +#if IS_ENABLED(CONFIG_ACPI) && !IS_ENABLED(CONFIG_CXL_BUS) +#define EXPORT_SYMBOL_FWTBL_LIB(x) EXPORT_SYMBOL_ACPI_LIB(x) +#define __init_or_fwtbl_lib __init_or_acpilib +#else +#define EXPORT_SYMBOL_FWTBL_LIB(x) EXPORT_SYMBOL_NS_GPL(x, CXL) +#define __init_or_fwtbl_lib +#endif + #endif diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index e846bd4e7559..9a5c6c76e653 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -635,7 +635,7 @@ struct gpio_device *gpio_device_get(struct gpio_device *gdev); void gpio_device_put(struct gpio_device *gdev); DEFINE_FREE(gpio_device_put, struct gpio_device *, - if (IS_ERR_OR_NULL(_T)) gpio_device_put(_T)); + if (!IS_ERR_OR_NULL(_T)) gpio_device_put(_T)) struct device *gpio_device_to_device(struct gpio_device *gdev); diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h index 3f84aeb81e48..80fa930b04c6 100644 --- a/include/linux/gpio_keys.h +++ b/include/linux/gpio_keys.h @@ -21,6 +21,7 @@ struct device; * disable button via sysfs * @value: axis value for %EV_ABS * @irq: Irq number in case of interrupt keys + * @wakeirq: Optional dedicated wake-up interrupt */ struct gpio_keys_button { unsigned int code; @@ -34,6 +35,7 @@ struct gpio_keys_button { bool can_disable; int value; unsigned int irq; + unsigned int wakeirq; }; /** diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 0dae9db27538..652ecb7abeda 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -23,7 +23,7 @@ #include <linux/swab.h> /* for swab16 */ #include <uapi/linux/i2c.h> -extern struct bus_type i2c_bus_type; +extern const struct bus_type i2c_bus_type; extern struct device_type i2c_adapter_type; extern struct device_type i2c_client_type; @@ -746,6 +746,8 @@ struct i2c_adapter { struct irq_domain *host_notify_domain; struct regulator *bus_regulator; + + struct dentry *debugfs; }; #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) @@ -850,7 +852,6 @@ static inline void i2c_mark_adapter_resumed(struct i2c_adapter *adap) /* i2c adapter classes (bitmask) */ #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */ -#define I2C_CLASS_DDC (1<<3) /* DDC bus on graphics adapters */ #define I2C_CLASS_SPD (1<<7) /* Memory modules */ /* Warn users that the adapter doesn't support classes anymore */ #define I2C_CLASS_DEPRECATED (1<<8) diff --git a/include/linux/i3c/device.h b/include/linux/i3c/device.h index 84ed77c04940..e119f11948ef 100644 --- a/include/linux/i3c/device.h +++ b/include/linux/i3c/device.h @@ -54,6 +54,7 @@ enum i3c_hdr_mode { * struct i3c_priv_xfer - I3C SDR private transfer * @rnw: encodes the transfer direction. true for a read, false for a write * @len: transfer length in bytes of the transfer + * @actual_len: actual length in bytes are transferred by the controller * @data: input/output buffer * @data.in: input buffer. Must point to a DMA-able buffer * @data.out: output buffer. Must point to a DMA-able buffer @@ -62,6 +63,7 @@ enum i3c_hdr_mode { struct i3c_priv_xfer { u8 rnw; u16 len; + u16 actual_len; union { void *in; const void *out; diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h index 24c1863b86e2..0ca27dd86956 100644 --- a/include/linux/i3c/master.h +++ b/include/linux/i3c/master.h @@ -76,7 +76,6 @@ struct i2c_dev_boardinfo { /** * struct i2c_dev_desc - I2C device descriptor * @common: common part of the I2C device descriptor - * @boardinfo: pointer to the boardinfo attached to this I2C device * @dev: I2C device object registered to the I2C framework * @addr: I2C device address * @lvr: LVR (Legacy Virtual Register) needed by the I3C core to know about @@ -434,6 +433,8 @@ struct i3c_bus { * for a future IBI * This method is mandatory only if ->request_ibi is not * NULL. + * @enable_hotjoin: enable hot join event detect. + * @disable_hotjoin: disable hot join event detect. */ struct i3c_master_controller_ops { int (*bus_init)(struct i3c_master_controller *master); @@ -460,6 +461,8 @@ struct i3c_master_controller_ops { int (*disable_ibi)(struct i3c_dev_desc *dev); void (*recycle_ibi_slot)(struct i3c_dev_desc *dev, struct i3c_ibi_slot *slot); + int (*enable_hotjoin)(struct i3c_master_controller *master); + int (*disable_hotjoin)(struct i3c_master_controller *master); }; /** @@ -473,6 +476,7 @@ struct i3c_master_controller_ops { * @ops: master operations. See &struct i3c_master_controller_ops * @secondary: true if the master is a secondary master * @init_done: true when the bus initialization is done + * @hotjoin: true if the master support hotjoin * @boardinfo.i3c: list of I3C boardinfo objects * @boardinfo.i2c: list of I2C boardinfo objects * @boardinfo: board-level information attached to devices connected on the bus @@ -495,6 +499,7 @@ struct i3c_master_controller { const struct i3c_master_controller_ops *ops; unsigned int secondary : 1; unsigned int init_done : 1; + unsigned int hotjoin: 1; struct { struct list_head i3c; struct list_head i2c; @@ -551,6 +556,8 @@ int i3c_master_register(struct i3c_master_controller *master, const struct i3c_master_controller_ops *ops, bool secondary); void i3c_master_unregister(struct i3c_master_controller *master); +int i3c_master_enable_hotjoin(struct i3c_master_controller *master); +int i3c_master_disable_hotjoin(struct i3c_master_controller *master); /** * i3c_dev_get_master_data() - get master private data attached to an I3C diff --git a/include/linux/iio/adc/adi-axi-adc.h b/include/linux/iio/adc/adi-axi-adc.h index 52620e5b8052..b7904992d561 100644 --- a/include/linux/iio/adc/adi-axi-adc.h +++ b/include/linux/iio/adc/adi-axi-adc.h @@ -41,6 +41,7 @@ struct adi_axi_adc_chip_info { * @reg_access IIO debugfs_reg_access hook for the client ADC * @read_raw IIO read_raw hook for the client ADC * @write_raw IIO write_raw hook for the client ADC + * @read_avail IIO read_avail hook for the client ADC */ struct adi_axi_adc_conv { const struct adi_axi_adc_chip_info *chip_info; @@ -54,6 +55,9 @@ struct adi_axi_adc_conv { int (*write_raw)(struct adi_axi_adc_conv *conv, struct iio_chan_spec const *chan, int val, int val2, long mask); + int (*read_avail)(struct adi_axi_adc_conv *conv, + struct iio_chan_spec const *chan, + const int **val, int *type, int *length, long mask); }; struct adi_axi_adc_conv *devm_adi_axi_adc_conv_register(struct device *dev, diff --git a/include/linux/iio/buffer-dma.h b/include/linux/iio/buffer-dma.h index 6564bdcdac66..18d3702fa95d 100644 --- a/include/linux/iio/buffer-dma.h +++ b/include/linux/iio/buffer-dma.h @@ -19,14 +19,12 @@ struct device; /** * enum iio_block_state - State of a struct iio_dma_buffer_block - * @IIO_BLOCK_STATE_DEQUEUED: Block is not queued * @IIO_BLOCK_STATE_QUEUED: Block is on the incoming queue * @IIO_BLOCK_STATE_ACTIVE: Block is currently being processed by the DMA * @IIO_BLOCK_STATE_DONE: Block is on the outgoing queue * @IIO_BLOCK_STATE_DEAD: Block has been marked as to be freed */ enum iio_block_state { - IIO_BLOCK_STATE_DEQUEUED, IIO_BLOCK_STATE_QUEUED, IIO_BLOCK_STATE_ACTIVE, IIO_BLOCK_STATE_DONE, @@ -73,12 +71,15 @@ struct iio_dma_buffer_block { * @active_block: Block being used in read() * @pos: Read offset in the active block * @block_size: Size of each block + * @next_dequeue: index of next block that will be dequeued */ struct iio_dma_buffer_queue_fileio { struct iio_dma_buffer_block *blocks[2]; struct iio_dma_buffer_block *active_block; size_t pos; size_t block_size; + + unsigned int next_dequeue; }; /** @@ -93,7 +94,6 @@ struct iio_dma_buffer_queue_fileio { * list and typically also a list of active blocks in the part that handles * the DMA controller * @incoming: List of buffers on the incoming queue - * @outgoing: List of buffers on the outgoing queue * @active: Whether the buffer is currently active * @fileio: FileIO state */ @@ -105,7 +105,6 @@ struct iio_dma_buffer_queue { struct mutex lock; spinlock_t list_lock; struct list_head incoming; - struct list_head outgoing; bool active; diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index d0ce3b71106a..c5b36d2c1e73 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -434,13 +434,7 @@ struct iio_trigger; /* forward declaration */ * @update_scan_mode: function to configure device and scan buffer when * channels have changed * @debugfs_reg_access: function to read or write register value of device - * @of_xlate: function pointer to obtain channel specifier index. - * When #iio-cells is greater than '0', the driver could - * provide a custom of_xlate function that reads the - * *args* and returns the appropriate index in registered - * IIO channels array. * @fwnode_xlate: fwnode based function pointer to obtain channel specifier index. - * Functionally the same as @of_xlate. * @hwfifo_set_watermark: function pointer to set the current hardware * fifo watermark level; see hwfifo_* entries in * Documentation/ABI/testing/sysfs-bus-iio for details on diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 117bde7d6ad7..d89982c98368 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -68,6 +68,7 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_THERMOCOUPLE_TYPE, IIO_CHAN_INFO_CALIBAMBIENT, IIO_CHAN_INFO_ZEROPOINT, + IIO_CHAN_INFO_TROUGH, }; #endif /* _IIO_TYPES_H_ */ diff --git a/include/linux/init.h b/include/linux/init.h index 01b52c9c7526..3fa3f6241350 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -179,6 +179,13 @@ extern void (*late_time_init)(void); extern bool initcall_debug; +#ifdef MODULE +extern struct module __this_module; +#define THIS_MODULE (&__this_module) +#else +#define THIS_MODULE ((struct module *)0) +#endif + #endif #ifndef MODULE diff --git a/include/linux/input/as5011.h b/include/linux/input/as5011.h index 5fba52a56cd6..5705d5de3aea 100644 --- a/include/linux/input/as5011.h +++ b/include/linux/input/as5011.h @@ -7,7 +7,6 @@ */ struct as5011_platform_data { - unsigned int button_gpio; unsigned int axis_irq; /* irq number */ unsigned long axis_irqflags; char xp, xn; /* threshold for x axis */ diff --git a/include/linux/input/navpoint.h b/include/linux/input/navpoint.h index d464ffb4db52..5192ae3f5ec1 100644 --- a/include/linux/input/navpoint.h +++ b/include/linux/input/navpoint.h @@ -5,5 +5,4 @@ struct navpoint_platform_data { int port; /* PXA SSP port for pxa_ssp_request() */ - int gpio; /* GPIO for power on/off */ }; diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index 25142a0e2fc2..86cf1f7ae389 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -100,6 +100,30 @@ struct io_pgtable_cfg { const struct iommu_flush_ops *tlb; struct device *iommu_dev; + /** + * @alloc: Custom page allocator. + * + * Optional hook used to allocate page tables. If this function is NULL, + * @free must be NULL too. + * + * Memory returned should be zeroed and suitable for dma_map_single() and + * virt_to_phys(). + * + * Not all formats support custom page allocators. Before considering + * passing a non-NULL value, make sure the chosen page format supports + * this feature. + */ + void *(*alloc)(void *cookie, size_t size, gfp_t gfp); + + /** + * @free: Custom page de-allocator. + * + * Optional hook used to free page tables allocated with the @alloc + * hook. Must be non-NULL if @alloc is not NULL, must be NULL + * otherwise. + */ + void (*free)(void *cookie, void *pages, size_t size); + /* Low-level data specific to the table format */ union { struct { @@ -242,15 +266,25 @@ io_pgtable_tlb_add_page(struct io_pgtable *iop, } /** + * enum io_pgtable_caps - IO page table backend capabilities. + */ +enum io_pgtable_caps { + /** @IO_PGTABLE_CAP_CUSTOM_ALLOCATOR: Backend accepts custom page table allocators. */ + IO_PGTABLE_CAP_CUSTOM_ALLOCATOR = BIT(0), +}; + +/** * struct io_pgtable_init_fns - Alloc/free a set of page tables for a * particular format. * * @alloc: Allocate a set of page tables described by cfg. * @free: Free the page tables associated with iop. + * @caps: Combination of @io_pgtable_caps flags encoding the backend capabilities. */ struct io_pgtable_init_fns { struct io_pgtable *(*alloc)(struct io_pgtable_cfg *cfg, void *cookie); void (*free)(struct io_pgtable *iop); + u32 caps; }; extern struct io_pgtable_init_fns io_pgtable_arm_32_lpae_s1_init_fns; diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 6291aa7b079b..1ea2a820e1eb 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -106,7 +106,7 @@ struct iommu_domain { unsigned type; const struct iommu_domain_ops *ops; const struct iommu_dirty_ops *dirty_ops; - + const struct iommu_ops *owner; /* Whose domain_alloc we came from */ unsigned long pgsize_bitmap; /* Bitmap of page sizes in use */ struct iommu_domain_geometry geometry; struct iommu_dma_cookie *iova_cookie; @@ -121,6 +121,11 @@ struct iommu_domain { struct { /* IOMMU_DOMAIN_SVA */ struct mm_struct *mm; int users; + /* + * Next iommu_domain in mm->iommu_mm->sva-domains list + * protected by iommu_sva_lock. + */ + struct list_head next; }; }; }; @@ -285,6 +290,23 @@ struct iommu_user_data { }; /** + * struct iommu_user_data_array - iommu driver specific user space data array + * @type: The data type of all the entries in the user buffer array + * @uptr: Pointer to the user buffer array + * @entry_len: The fixed-width length of an entry in the array, in bytes + * @entry_num: The number of total entries in the array + * + * The user buffer includes an array of requests with format defined in + * include/uapi/linux/iommufd.h + */ +struct iommu_user_data_array { + unsigned int type; + void __user *uptr; + size_t entry_len; + u32 entry_num; +}; + +/** * __iommu_copy_struct_from_user - Copy iommu driver specific user space data * @dst_data: Pointer to an iommu driver specific user data that is defined in * include/uapi/linux/iommufd.h @@ -325,6 +347,57 @@ static inline int __iommu_copy_struct_from_user( offsetofend(typeof(*kdst), min_last)) /** + * __iommu_copy_struct_from_user_array - Copy iommu driver specific user space + * data from an iommu_user_data_array + * @dst_data: Pointer to an iommu driver specific user data that is defined in + * include/uapi/linux/iommufd.h + * @src_array: Pointer to a struct iommu_user_data_array for a user space array + * @data_type: The data type of the @dst_data. Must match with @src_array.type + * @index: Index to the location in the array to copy user data from + * @data_len: Length of current user data structure, i.e. sizeof(struct _dst) + * @min_len: Initial length of user data structure for backward compatibility. + * This should be offsetofend using the last member in the user data + * struct that was initially added to include/uapi/linux/iommufd.h + */ +static inline int __iommu_copy_struct_from_user_array( + void *dst_data, const struct iommu_user_data_array *src_array, + unsigned int data_type, unsigned int index, size_t data_len, + size_t min_len) +{ + struct iommu_user_data src_data; + + if (WARN_ON(!src_array || index >= src_array->entry_num)) + return -EINVAL; + if (!src_array->entry_num) + return -EINVAL; + src_data.uptr = src_array->uptr + src_array->entry_len * index; + src_data.len = src_array->entry_len; + src_data.type = src_array->type; + + return __iommu_copy_struct_from_user(dst_data, &src_data, data_type, + data_len, min_len); +} + +/** + * iommu_copy_struct_from_user_array - Copy iommu driver specific user space + * data from an iommu_user_data_array + * @kdst: Pointer to an iommu driver specific user data that is defined in + * include/uapi/linux/iommufd.h + * @user_array: Pointer to a struct iommu_user_data_array for a user space + * array + * @data_type: The data type of the @kdst. Must match with @user_array->type + * @index: Index to the location in the array to copy user data from + * @min_last: The last member of the data structure @kdst points in the + * initial version. + * Return 0 for success, otherwise -error. + */ +#define iommu_copy_struct_from_user_array(kdst, user_array, data_type, index, \ + min_last) \ + __iommu_copy_struct_from_user_array( \ + kdst, user_array, data_type, index, sizeof(*(kdst)), \ + offsetofend(typeof(*(kdst)), min_last)) + +/** * struct iommu_ops - iommu ops and capabilities * @capable: check capability * @hw_info: report iommu hardware information. The data buffer returned by this @@ -440,6 +513,13 @@ struct iommu_ops { * @iotlb_sync_map: Sync mappings created recently using @map to the hardware * @iotlb_sync: Flush all queued ranges from the hardware TLBs and empty flush * queue + * @cache_invalidate_user: Flush hardware cache for user space IO page table. + * The @domain must be IOMMU_DOMAIN_NESTED. The @array + * passes in the cache invalidation requests, in form + * of a driver data structure. The driver must update + * array->entry_num to report the number of handled + * invalidation requests. The driver data structure + * must be defined in include/uapi/linux/iommufd.h * @iova_to_phys: translate iova to physical address * @enforce_cache_coherency: Prevent any kind of DMA from bypassing IOMMU_CACHE, * including no-snoop TLPs on PCIe or other platform @@ -465,6 +545,8 @@ struct iommu_domain_ops { size_t size); void (*iotlb_sync)(struct iommu_domain *domain, struct iommu_iotlb_gather *iotlb_gather); + int (*cache_invalidate_user)(struct iommu_domain *domain, + struct iommu_user_data_array *array); phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova); @@ -812,6 +894,11 @@ struct iommu_sva { struct iommu_domain *domain; }; +struct iommu_mm_data { + u32 pasid; + struct list_head sva_domains; +}; + int iommu_fwspec_init(struct device *dev, struct fwnode_handle *iommu_fwnode, const struct iommu_ops *ops); void iommu_fwspec_free(struct device *dev); @@ -840,10 +927,7 @@ static inline void *dev_iommu_priv_get(struct device *dev) return NULL; } -static inline void dev_iommu_priv_set(struct device *dev, void *priv) -{ - dev->iommu->priv = priv; -} +void dev_iommu_priv_set(struct device *dev, void *priv); extern struct mutex iommu_probe_device_lock; int iommu_probe_device(struct device *dev); @@ -1337,15 +1421,33 @@ static inline bool tegra_dev_iommu_get_stream_id(struct device *dev, u32 *stream return false; } -#ifdef CONFIG_IOMMU_SVA +#ifdef CONFIG_IOMMU_MM_DATA static inline void mm_pasid_init(struct mm_struct *mm) { - mm->pasid = IOMMU_PASID_INVALID; + /* + * During dup_mm(), a new mm will be memcpy'd from an old one and that makes + * the new mm and the old one point to a same iommu_mm instance. When either + * one of the two mms gets released, the iommu_mm instance is freed, leaving + * the other mm running into a use-after-free/double-free problem. To avoid + * the problem, zeroing the iommu_mm pointer of a new mm is needed here. + */ + mm->iommu_mm = NULL; } + static inline bool mm_valid_pasid(struct mm_struct *mm) { - return mm->pasid != IOMMU_PASID_INVALID; + return READ_ONCE(mm->iommu_mm); +} + +static inline u32 mm_get_enqcmd_pasid(struct mm_struct *mm) +{ + struct iommu_mm_data *iommu_mm = READ_ONCE(mm->iommu_mm); + + if (!iommu_mm) + return IOMMU_PASID_INVALID; + return iommu_mm->pasid; } + void mm_pasid_drop(struct mm_struct *mm); struct iommu_sva *iommu_sva_bind_device(struct device *dev, struct mm_struct *mm); @@ -1368,6 +1470,12 @@ static inline u32 iommu_sva_get_pasid(struct iommu_sva *handle) } static inline void mm_pasid_init(struct mm_struct *mm) {} static inline bool mm_valid_pasid(struct mm_struct *mm) { return false; } + +static inline u32 mm_get_enqcmd_pasid(struct mm_struct *mm) +{ + return IOMMU_PASID_INVALID; +} + static inline void mm_pasid_drop(struct mm_struct *mm) {} #endif /* CONFIG_IOMMU_SVA */ diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h index 7578d4f6a969..db1249cd9692 100644 --- a/include/linux/ioprio.h +++ b/include/linux/ioprio.h @@ -47,7 +47,30 @@ static inline int task_nice_ioclass(struct task_struct *task) } #ifdef CONFIG_BLOCK -int __get_task_ioprio(struct task_struct *p); +/* + * If the task has set an I/O priority, use that. Otherwise, return + * the default I/O priority. + * + * Expected to be called for current task or with task_lock() held to keep + * io_context stable. + */ +static inline int __get_task_ioprio(struct task_struct *p) +{ + struct io_context *ioc = p->io_context; + int prio; + + if (!ioc) + return IOPRIO_DEFAULT; + + if (p != current) + lockdep_assert_held(&p->alloc_lock); + + prio = ioc->ioprio; + if (IOPRIO_PRIO_CLASS(prio) == IOPRIO_CLASS_NONE) + prio = IOPRIO_PRIO_VALUE(task_nice_ioclass(p), + task_nice_ioprio(p)); + return prio; +} #else static inline int __get_task_ioprio(struct task_struct *p) { diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 4944136efaa2..7e7fd25b09b3 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -80,8 +80,8 @@ /* Two fragments for cross MMIO pages. */ #define KVM_MAX_MMIO_FRAGMENTS 2 -#ifndef KVM_ADDRESS_SPACE_NUM -#define KVM_ADDRESS_SPACE_NUM 1 +#ifndef KVM_MAX_NR_ADDRESS_SPACES +#define KVM_MAX_NR_ADDRESS_SPACES 1 #endif /* @@ -253,9 +253,10 @@ bool kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu); #endif -#ifdef KVM_ARCH_WANT_MMU_NOTIFIER +#ifdef CONFIG_KVM_GENERIC_MMU_NOTIFIER union kvm_mmu_notifier_arg { pte_t pte; + unsigned long attributes; }; struct kvm_gfn_range { @@ -588,8 +589,20 @@ struct kvm_memory_slot { u32 flags; short id; u16 as_id; + +#ifdef CONFIG_KVM_PRIVATE_MEM + struct { + struct file __rcu *file; + pgoff_t pgoff; + } gmem; +#endif }; +static inline bool kvm_slot_can_be_private(const struct kvm_memory_slot *slot) +{ + return slot && (slot->flags & KVM_MEM_GUEST_MEMFD); +} + static inline bool kvm_slot_dirty_track_enabled(const struct kvm_memory_slot *slot) { return slot->flags & KVM_MEM_LOG_DIRTY_PAGES; @@ -677,13 +690,29 @@ bool kvm_arch_irqchip_in_kernel(struct kvm *kvm); #define KVM_MEM_SLOTS_NUM SHRT_MAX #define KVM_USER_MEM_SLOTS (KVM_MEM_SLOTS_NUM - KVM_INTERNAL_MEM_SLOTS) -#ifndef __KVM_VCPU_MULTIPLE_ADDRESS_SPACE +#if KVM_MAX_NR_ADDRESS_SPACES == 1 +static inline int kvm_arch_nr_memslot_as_ids(struct kvm *kvm) +{ + return KVM_MAX_NR_ADDRESS_SPACES; +} + static inline int kvm_arch_vcpu_memslots_id(struct kvm_vcpu *vcpu) { return 0; } #endif +/* + * Arch code must define kvm_arch_has_private_mem if support for private memory + * is enabled. + */ +#if !defined(kvm_arch_has_private_mem) && !IS_ENABLED(CONFIG_KVM_PRIVATE_MEM) +static inline bool kvm_arch_has_private_mem(struct kvm *kvm) +{ + return false; +} +#endif + struct kvm_memslots { u64 generation; atomic_long_t last_used_slot; @@ -721,9 +750,9 @@ struct kvm { struct mm_struct *mm; /* userspace tied to this vm */ unsigned long nr_memslot_pages; /* The two memslot sets - active and inactive (per address space) */ - struct kvm_memslots __memslots[KVM_ADDRESS_SPACE_NUM][2]; + struct kvm_memslots __memslots[KVM_MAX_NR_ADDRESS_SPACES][2]; /* The current active memslot set for each address space */ - struct kvm_memslots __rcu *memslots[KVM_ADDRESS_SPACE_NUM]; + struct kvm_memslots __rcu *memslots[KVM_MAX_NR_ADDRESS_SPACES]; struct xarray vcpu_array; /* * Protected by slots_lock, but can be read outside if an @@ -753,7 +782,7 @@ struct kvm { struct list_head vm_list; struct mutex lock; struct kvm_io_bus __rcu *buses[KVM_NR_BUSES]; -#ifdef CONFIG_HAVE_KVM_EVENTFD +#ifdef CONFIG_HAVE_KVM_IRQCHIP struct { spinlock_t lock; struct list_head items; @@ -761,8 +790,8 @@ struct kvm { struct list_head resampler_list; struct mutex resampler_lock; } irqfds; - struct list_head ioeventfds; #endif + struct list_head ioeventfds; struct kvm_vm_stat stat; struct kvm_arch arch; refcount_t users_count; @@ -778,17 +807,16 @@ struct kvm { * Update side is protected by irq_lock. */ struct kvm_irq_routing_table __rcu *irq_routing; -#endif -#ifdef CONFIG_HAVE_KVM_IRQFD + struct hlist_head irq_ack_notifier_list; #endif -#if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER) +#ifdef CONFIG_KVM_GENERIC_MMU_NOTIFIER struct mmu_notifier mmu_notifier; unsigned long mmu_invalidate_seq; long mmu_invalidate_in_progress; - unsigned long mmu_invalidate_range_start; - unsigned long mmu_invalidate_range_end; + gfn_t mmu_invalidate_range_start; + gfn_t mmu_invalidate_range_end; #endif struct list_head devices; u64 manual_dirty_log_protect; @@ -807,6 +835,10 @@ struct kvm { #ifdef CONFIG_HAVE_KVM_PM_NOTIFIER struct notifier_block pm_notifier; #endif +#ifdef CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES + /* Protected by slots_locks (for writes) and RCU (for reads) */ + struct xarray mem_attr_array; +#endif char stats_id[KVM_STATS_NAME_SIZE]; }; @@ -965,7 +997,7 @@ static inline void kvm_arch_post_irq_routing_update(struct kvm *kvm) } #endif -#ifdef CONFIG_HAVE_KVM_IRQFD +#ifdef CONFIG_HAVE_KVM_IRQCHIP int kvm_irqfd_init(void); void kvm_irqfd_exit(void); #else @@ -989,7 +1021,7 @@ void kvm_put_kvm_no_destroy(struct kvm *kvm); static inline struct kvm_memslots *__kvm_memslots(struct kvm *kvm, int as_id) { - as_id = array_index_nospec(as_id, KVM_ADDRESS_SPACE_NUM); + as_id = array_index_nospec(as_id, KVM_MAX_NR_ADDRESS_SPACES); return srcu_dereference_check(kvm->memslots[as_id], &kvm->srcu, lockdep_is_held(&kvm->slots_lock) || !refcount_read(&kvm->users_count)); @@ -1146,9 +1178,9 @@ enum kvm_mr_change { }; int kvm_set_memory_region(struct kvm *kvm, - const struct kvm_userspace_memory_region *mem); + const struct kvm_userspace_memory_region2 *mem); int __kvm_set_memory_region(struct kvm *kvm, - const struct kvm_userspace_memory_region *mem); + const struct kvm_userspace_memory_region2 *mem); void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot); void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen); int kvm_arch_prepare_memory_region(struct kvm *kvm, @@ -1392,10 +1424,10 @@ void kvm_mmu_free_memory_cache(struct kvm_mmu_memory_cache *mc); void *kvm_mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc); #endif -void kvm_mmu_invalidate_begin(struct kvm *kvm, unsigned long start, - unsigned long end); -void kvm_mmu_invalidate_end(struct kvm *kvm, unsigned long start, - unsigned long end); +void kvm_mmu_invalidate_begin(struct kvm *kvm); +void kvm_mmu_invalidate_range_add(struct kvm *kvm, gfn_t start, gfn_t end); +void kvm_mmu_invalidate_end(struct kvm *kvm); +bool kvm_mmu_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range); long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); @@ -1947,7 +1979,7 @@ extern const struct _kvm_stats_desc kvm_vm_stats_desc[]; extern const struct kvm_stats_header kvm_vcpu_stats_header; extern const struct _kvm_stats_desc kvm_vcpu_stats_desc[]; -#if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER) +#ifdef CONFIG_KVM_GENERIC_MMU_NOTIFIER static inline int mmu_invalidate_retry(struct kvm *kvm, unsigned long mmu_seq) { if (unlikely(kvm->mmu_invalidate_in_progress)) @@ -1970,9 +2002,9 @@ static inline int mmu_invalidate_retry(struct kvm *kvm, unsigned long mmu_seq) return 0; } -static inline int mmu_invalidate_retry_hva(struct kvm *kvm, +static inline int mmu_invalidate_retry_gfn(struct kvm *kvm, unsigned long mmu_seq, - unsigned long hva) + gfn_t gfn) { lockdep_assert_held(&kvm->mmu_lock); /* @@ -1981,10 +2013,20 @@ static inline int mmu_invalidate_retry_hva(struct kvm *kvm, * that might be being invalidated. Note that it may include some false * positives, due to shortcuts when handing concurrent invalidations. */ - if (unlikely(kvm->mmu_invalidate_in_progress) && - hva >= kvm->mmu_invalidate_range_start && - hva < kvm->mmu_invalidate_range_end) - return 1; + if (unlikely(kvm->mmu_invalidate_in_progress)) { + /* + * Dropping mmu_lock after bumping mmu_invalidate_in_progress + * but before updating the range is a KVM bug. + */ + if (WARN_ON_ONCE(kvm->mmu_invalidate_range_start == INVALID_GPA || + kvm->mmu_invalidate_range_end == INVALID_GPA)) + return 1; + + if (gfn >= kvm->mmu_invalidate_range_start && + gfn < kvm->mmu_invalidate_range_end) + return 1; + } + if (kvm->mmu_invalidate_seq != mmu_seq) return 1; return 0; @@ -2013,12 +2055,10 @@ static inline void kvm_free_irq_routing(struct kvm *kvm) {} int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi); -#ifdef CONFIG_HAVE_KVM_EVENTFD - void kvm_eventfd_init(struct kvm *kvm); int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args); -#ifdef CONFIG_HAVE_KVM_IRQFD +#ifdef CONFIG_HAVE_KVM_IRQCHIP int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args); void kvm_irqfd_release(struct kvm *kvm); bool kvm_notify_irqfd_resampler(struct kvm *kvm, @@ -2039,31 +2079,7 @@ static inline bool kvm_notify_irqfd_resampler(struct kvm *kvm, { return false; } -#endif - -#else - -static inline void kvm_eventfd_init(struct kvm *kvm) {} - -static inline int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args) -{ - return -EINVAL; -} - -static inline void kvm_irqfd_release(struct kvm *kvm) {} - -#ifdef CONFIG_HAVE_KVM_IRQCHIP -static inline void kvm_irq_routing_update(struct kvm *kvm) -{ -} -#endif - -static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args) -{ - return -ENOSYS; -} - -#endif /* CONFIG_HAVE_KVM_EVENTFD */ +#endif /* CONFIG_HAVE_KVM_IRQCHIP */ void kvm_arch_irq_routing_update(struct kvm *kvm); @@ -2318,4 +2334,57 @@ static inline void kvm_account_pgtable_pages(void *virt, int nr) /* Max number of entries allowed for each kvm dirty ring */ #define KVM_DIRTY_RING_MAX_ENTRIES 65536 +static inline void kvm_prepare_memory_fault_exit(struct kvm_vcpu *vcpu, + gpa_t gpa, gpa_t size, + bool is_write, bool is_exec, + bool is_private) +{ + vcpu->run->exit_reason = KVM_EXIT_MEMORY_FAULT; + vcpu->run->memory_fault.gpa = gpa; + vcpu->run->memory_fault.size = size; + + /* RWX flags are not (yet) defined or communicated to userspace. */ + vcpu->run->memory_fault.flags = 0; + if (is_private) + vcpu->run->memory_fault.flags |= KVM_MEMORY_EXIT_FLAG_PRIVATE; +} + +#ifdef CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES +static inline unsigned long kvm_get_memory_attributes(struct kvm *kvm, gfn_t gfn) +{ + return xa_to_value(xa_load(&kvm->mem_attr_array, gfn)); +} + +bool kvm_range_has_memory_attributes(struct kvm *kvm, gfn_t start, gfn_t end, + unsigned long attrs); +bool kvm_arch_pre_set_memory_attributes(struct kvm *kvm, + struct kvm_gfn_range *range); +bool kvm_arch_post_set_memory_attributes(struct kvm *kvm, + struct kvm_gfn_range *range); + +static inline bool kvm_mem_is_private(struct kvm *kvm, gfn_t gfn) +{ + return IS_ENABLED(CONFIG_KVM_PRIVATE_MEM) && + kvm_get_memory_attributes(kvm, gfn) & KVM_MEMORY_ATTRIBUTE_PRIVATE; +} +#else +static inline bool kvm_mem_is_private(struct kvm *kvm, gfn_t gfn) +{ + return false; +} +#endif /* CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES */ + +#ifdef CONFIG_KVM_PRIVATE_MEM +int kvm_gmem_get_pfn(struct kvm *kvm, struct kvm_memory_slot *slot, + gfn_t gfn, kvm_pfn_t *pfn, int *max_order); +#else +static inline int kvm_gmem_get_pfn(struct kvm *kvm, + struct kvm_memory_slot *slot, gfn_t gfn, + kvm_pfn_t *pfn, int *max_order) +{ + KVM_BUG_ON(1, kvm); + return -EIO; +} +#endif /* CONFIG_KVM_PRIVATE_MEM */ + #endif diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h index 6f4737d5046a..9d1f7835d8c1 100644 --- a/include/linux/kvm_types.h +++ b/include/linux/kvm_types.h @@ -6,6 +6,7 @@ struct kvm; struct kvm_async_pf; struct kvm_device_ops; +struct kvm_gfn_range; struct kvm_interrupt; struct kvm_irq_routing_table; struct kvm_memory_slot; diff --git a/include/linux/leds.h b/include/linux/leds.h index aa16dc2a8230..4754b02d3a2c 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -527,23 +527,6 @@ static inline void *led_get_trigger_data(struct led_classdev *led_cdev) return led_cdev->trigger_data; } -/** - * led_trigger_rename_static - rename a trigger - * @name: the new trigger name - * @trig: the LED trigger to rename - * - * Change a LED trigger name by copying the string passed in - * name into current trigger name, which MUST be large - * enough for the new string. - * - * Note that name must NOT point to the same string used - * during LED registration, as that could lead to races. - * - * This is meant to be used on triggers with statically - * allocated name. - */ -void led_trigger_rename_static(const char *name, struct led_trigger *trig); - #define module_led_trigger(__led_trigger) \ module_driver(__led_trigger, led_trigger_register, \ led_trigger_unregister) @@ -588,6 +571,9 @@ enum led_trigger_netdev_modes { TRIGGER_NETDEV_LINK_10, TRIGGER_NETDEV_LINK_100, TRIGGER_NETDEV_LINK_1000, + TRIGGER_NETDEV_LINK_2500, + TRIGGER_NETDEV_LINK_5000, + TRIGGER_NETDEV_LINK_10000, TRIGGER_NETDEV_HALF_DUPLEX, TRIGGER_NETDEV_FULL_DUPLEX, TRIGGER_NETDEV_TX, diff --git a/include/linux/libata.h b/include/linux/libata.h index 1dbb14daccfa..26d68115afb8 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -471,7 +471,7 @@ enum ata_completion_errors { /* * Link power management policy: If you alter this, you also need to - * alter libata-scsi.c (for the ascii descriptions) + * alter libata-sata.c (for the ascii descriptions) */ enum ata_lpm_policy { ATA_LPM_UNKNOWN, diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index 185924c56378..76458b6d53da 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -315,9 +315,9 @@ LSM_HOOK(int, 0, socket_getsockopt, struct socket *sock, int level, int optname) LSM_HOOK(int, 0, socket_setsockopt, struct socket *sock, int level, int optname) LSM_HOOK(int, 0, socket_shutdown, struct socket *sock, int how) LSM_HOOK(int, 0, socket_sock_rcv_skb, struct sock *sk, struct sk_buff *skb) -LSM_HOOK(int, 0, socket_getpeersec_stream, struct socket *sock, +LSM_HOOK(int, -ENOPROTOOPT, socket_getpeersec_stream, struct socket *sock, sockptr_t optval, sockptr_t optlen, unsigned int len) -LSM_HOOK(int, 0, socket_getpeersec_dgram, struct socket *sock, +LSM_HOOK(int, -ENOPROTOOPT, socket_getpeersec_dgram, struct socket *sock, struct sk_buff *skb, u32 *secid) LSM_HOOK(int, 0, sk_alloc_security, struct sock *sk, int family, gfp_t priority) LSM_HOOK(void, LSM_RET_VOID, sk_free_security, struct sock *sk) diff --git a/include/linux/maple.h b/include/linux/maple.h index 9b140272ee16..9aae44efcfd4 100644 --- a/include/linux/maple.h +++ b/include/linux/maple.h @@ -5,7 +5,6 @@ #include <mach/maple.h> struct device; -extern struct bus_type maple_bus_type; /* Maple Bus command and response codes */ enum maple_code { diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h index b0da04fe087b..34dfcc77f505 100644 --- a/include/linux/mc146818rtc.h +++ b/include/linux/mc146818rtc.h @@ -126,10 +126,11 @@ struct cmos_rtc_board_info { #endif /* ARCH_RTC_LOCATION */ bool mc146818_does_rtc_work(void); -int mc146818_get_time(struct rtc_time *time); +int mc146818_get_time(struct rtc_time *time, int timeout); int mc146818_set_time(struct rtc_time *time); bool mc146818_avoid_UIP(void (*callback)(unsigned char seconds, void *param), + int timeout, void *param); #endif /* _MC146818RTC_H */ diff --git a/include/linux/memory-tiers.h b/include/linux/memory-tiers.h index 1e39d27bee41..69e781900082 100644 --- a/include/linux/memory-tiers.h +++ b/include/linux/memory-tiers.h @@ -33,7 +33,7 @@ struct memory_dev_type { struct kref kref; }; -struct node_hmem_attrs; +struct access_coordinate; #ifdef CONFIG_NUMA extern bool numa_demotion_enabled; @@ -45,9 +45,9 @@ void clear_node_memory_type(int node, struct memory_dev_type *memtype); int register_mt_adistance_algorithm(struct notifier_block *nb); int unregister_mt_adistance_algorithm(struct notifier_block *nb); int mt_calc_adistance(int node, int *adist); -int mt_set_default_dram_perf(int nid, struct node_hmem_attrs *perf, +int mt_set_default_dram_perf(int nid, struct access_coordinate *perf, const char *source); -int mt_perf_to_adistance(struct node_hmem_attrs *perf, int *adist); +int mt_perf_to_adistance(struct access_coordinate *perf, int *adist); #ifdef CONFIG_MIGRATION int next_demotion_node(int node); void node_get_allowed_targets(pg_data_t *pgdat, nodemask_t *targets); @@ -126,13 +126,13 @@ static inline int mt_calc_adistance(int node, int *adist) return NOTIFY_DONE; } -static inline int mt_set_default_dram_perf(int nid, struct node_hmem_attrs *perf, +static inline int mt_set_default_dram_perf(int nid, struct access_coordinate *perf, const char *source) { return -EIO; } -static inline int mt_perf_to_adistance(struct node_hmem_attrs *perf, int *adist) +static inline int mt_perf_to_adistance(struct access_coordinate *perf, int *adist) { return -EIO; } diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h index 311f7d3d2323..54444ff2a5de 100644 --- a/include/linux/mfd/max77693-private.h +++ b/include/linux/mfd/max77693-private.h @@ -405,7 +405,7 @@ enum max77693_haptic_reg { MAX77693_HAPTIC_REG_END, }; -/* max77693-pmic LSCNFG configuraton register */ +/* max77693-pmic LSCNFG configuration register */ #define MAX77693_PMIC_LOW_SYS_MASK 0x80 #define MAX77693_PMIC_LOW_SYS_SHIFT 7 diff --git a/include/linux/mfd/max77843-private.h b/include/linux/mfd/max77843-private.h index 0bc7454c4dbe..2fb4db67f110 100644 --- a/include/linux/mfd/max77843-private.h +++ b/include/linux/mfd/max77843-private.h @@ -198,7 +198,7 @@ enum max77843_irq_muic { #define MAX77843_MCONFIG_MEN_MASK BIT(MCONFIG_MEN_SHIFT) #define MAX77843_MCONFIG_PDIV_MASK (0x3 << MCONFIG_PDIV_SHIFT) -/* Max77843 charger insterrupts */ +/* Max77843 charger interrupts */ #define MAX77843_CHG_BYP_I BIT(0) #define MAX77843_CHG_BATP_I BIT(2) #define MAX77843_CHG_BAT_I BIT(3) diff --git a/include/linux/mfd/si476x-platform.h b/include/linux/mfd/si476x-platform.h index 18363b773d07..cb99e16ca947 100644 --- a/include/linux/mfd/si476x-platform.h +++ b/include/linux/mfd/si476x-platform.h @@ -10,7 +10,7 @@ #ifndef __SI476X_PLATFORM_H__ #define __SI476X_PLATFORM_H__ -/* It is possible to select one of the four adresses using pins A0 +/* It is possible to select one of the four addresses using pins A0 * and A1 on SI476x */ #define SI476X_I2C_ADDR_1 0x60 #define SI476X_I2C_ADDR_2 0x61 diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h index 701925db75b3..f67ef0a4e041 100644 --- a/include/linux/mfd/tps65910.h +++ b/include/linux/mfd/tps65910.h @@ -749,7 +749,7 @@ #define VDDCTRL_ST_SHIFT 0 -/*Register VDDCTRL_OP (0x28) bit definitios */ +/*Register VDDCTRL_OP (0x28) bit definitions */ #define VDDCTRL_OP_CMD_MASK 0x80 #define VDDCTRL_OP_CMD_SHIFT 7 #define VDDCTRL_OP_SEL_MASK 0x7F diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 039943ec4d4e..d0f9b522f328 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -266,6 +266,7 @@ struct mhi_event_config { * struct mhi_controller_config - Root MHI controller configuration * @max_channels: Maximum number of channels supported * @timeout_ms: Timeout value for operations. 0 means use default + * @ready_timeout_ms: Timeout value for waiting device to be ready (optional) * @buf_len: Size of automatically allocated buffers. 0 means use default * @num_channels: Number of channels defined in @ch_cfg * @ch_cfg: Array of defined channels @@ -277,6 +278,7 @@ struct mhi_event_config { struct mhi_controller_config { u32 max_channels; u32 timeout_ms; + u32 ready_timeout_ms; u32 buf_len; u32 num_channels; const struct mhi_channel_config *ch_cfg; @@ -330,6 +332,7 @@ struct mhi_controller_config { * @pm_mutex: Mutex for suspend/resume operation * @pm_lock: Lock for protecting MHI power management state * @timeout_ms: Timeout in ms for state transitions + * @ready_timeout_ms: Timeout in ms for waiting device to be ready (optional) * @pm_state: MHI power management state * @db_access: DB access states * @ee: MHI device execution environment @@ -419,6 +422,7 @@ struct mhi_controller { struct mutex pm_mutex; rwlock_t pm_lock; u32 timeout_ms; + u32 ready_timeout_ms; u32 pm_state; u32 db_access; enum mhi_ee_type ee; diff --git a/include/linux/mhi_ep.h b/include/linux/mhi_ep.h index f198a8ac7ee7..11bf3212f782 100644 --- a/include/linux/mhi_ep.h +++ b/include/linux/mhi_ep.h @@ -50,6 +50,27 @@ struct mhi_ep_db_info { }; /** + * struct mhi_ep_buf_info - MHI Endpoint transfer buffer info + * @mhi_dev: MHI device associated with this buffer + * @dev_addr: Address of the buffer in endpoint + * @host_addr: Address of the bufffer in host + * @size: Size of the buffer + * @code: Transfer completion code + * @cb: Callback to be executed by controller drivers after transfer completion (async) + * @cb_buf: Opaque buffer to be passed to the callback + */ +struct mhi_ep_buf_info { + struct mhi_ep_device *mhi_dev; + void *dev_addr; + u64 host_addr; + size_t size; + int code; + + void (*cb)(struct mhi_ep_buf_info *buf_info); + void *cb_buf; +}; + +/** * struct mhi_ep_cntrl - MHI Endpoint controller structure * @cntrl_dev: Pointer to the struct device of physical bus acting as the MHI * Endpoint controller @@ -82,8 +103,10 @@ struct mhi_ep_db_info { * @raise_irq: CB function for raising IRQ to the host * @alloc_map: CB function for allocating memory in endpoint for storing host context and mapping it * @unmap_free: CB function to unmap and free the allocated memory in endpoint for storing host context - * @read_from_host: CB function for reading from host memory from endpoint - * @write_to_host: CB function for writing to host memory from endpoint + * @read_sync: CB function for reading from host memory synchronously + * @write_sync: CB function for writing to host memory synchronously + * @read_async: CB function for reading from host memory asynchronously + * @write_async: CB function for writing to host memory asynchronously * @mhi_state: MHI Endpoint state * @max_chan: Maximum channels supported by the endpoint controller * @mru: MRU (Maximum Receive Unit) value of the endpoint controller @@ -128,14 +151,19 @@ struct mhi_ep_cntrl { struct work_struct reset_work; struct work_struct cmd_ring_work; struct work_struct ch_ring_work; + struct kmem_cache *ring_item_cache; + struct kmem_cache *ev_ring_el_cache; + struct kmem_cache *tre_buf_cache; void (*raise_irq)(struct mhi_ep_cntrl *mhi_cntrl, u32 vector); int (*alloc_map)(struct mhi_ep_cntrl *mhi_cntrl, u64 pci_addr, phys_addr_t *phys_ptr, void __iomem **virt, size_t size); void (*unmap_free)(struct mhi_ep_cntrl *mhi_cntrl, u64 pci_addr, phys_addr_t phys, void __iomem *virt, size_t size); - int (*read_from_host)(struct mhi_ep_cntrl *mhi_cntrl, u64 from, void *to, size_t size); - int (*write_to_host)(struct mhi_ep_cntrl *mhi_cntrl, void *from, u64 to, size_t size); + int (*read_sync)(struct mhi_ep_cntrl *mhi_cntrl, struct mhi_ep_buf_info *buf_info); + int (*write_sync)(struct mhi_ep_cntrl *mhi_cntrl, struct mhi_ep_buf_info *buf_info); + int (*read_async)(struct mhi_ep_cntrl *mhi_cntrl, struct mhi_ep_buf_info *buf_info); + int (*write_async)(struct mhi_ep_cntrl *mhi_cntrl, struct mhi_ep_buf_info *buf_info); enum mhi_state mhi_state; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 8c55ff351e5f..41f03b352401 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -681,6 +681,7 @@ struct mlx5e_resources { struct mlx5_sq_bfreg bfreg; #define MLX5_MAX_NUM_TC 8 u32 tisn[MLX5_MAX_PORTS][MLX5_MAX_NUM_TC]; + bool tisn_valid; } hw_objs; struct net_device *uplink_netdev; struct mutex uplink_netdev_lock; diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h index 6f7725238abc..3fb428ce7d1c 100644 --- a/include/linux/mlx5/fs.h +++ b/include/linux/mlx5/fs.h @@ -132,6 +132,7 @@ struct mlx5_flow_handle; enum { FLOW_CONTEXT_HAS_TAG = BIT(0), + FLOW_CONTEXT_UPLINK_HAIRPIN_EN = BIT(1), }; struct mlx5_flow_context { diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 7235f3eaed8b..c726f90ab752 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1241,7 +1241,8 @@ struct mlx5_ifc_virtio_emulation_cap_bits { u8 reserved_at_c0[0x13]; u8 desc_group_mkey_supported[0x1]; - u8 reserved_at_d4[0xc]; + u8 freeze_to_rdy_supported[0x1]; + u8 reserved_at_d5[0xb]; u8 reserved_at_e0[0x20]; @@ -3575,7 +3576,7 @@ struct mlx5_ifc_flow_context_bits { u8 action[0x10]; u8 extended_destination[0x1]; - u8 reserved_at_81[0x1]; + u8 uplink_hairpin_en[0x1]; u8 flow_source[0x2]; u8 encrypt_decrypt_type[0x4]; u8 destination_list_size[0x18]; @@ -4035,8 +4036,13 @@ struct mlx5_ifc_nic_vport_context_bits { u8 affiliation_criteria[0x4]; u8 affiliated_vhca_id[0x10]; - u8 reserved_at_60[0xd0]; + u8 reserved_at_60[0xa0]; + + u8 reserved_at_100[0x1]; + u8 sd_group[0x3]; + u8 reserved_at_104[0x1c]; + u8 reserved_at_120[0x10]; u8 mtu[0x10]; u8 system_image_guid[0x40]; @@ -10121,8 +10127,7 @@ struct mlx5_ifc_mpir_reg_bits { u8 reserved_at_20[0x20]; u8 local_port[0x8]; - u8 reserved_at_28[0x15]; - u8 sd_group[0x3]; + u8 reserved_at_28[0x18]; u8 reserved_at_60[0x20]; }; diff --git a/include/linux/mlx5/mlx5_ifc_vdpa.h b/include/linux/mlx5/mlx5_ifc_vdpa.h index b86d51a855f6..40371c916cf9 100644 --- a/include/linux/mlx5/mlx5_ifc_vdpa.h +++ b/include/linux/mlx5/mlx5_ifc_vdpa.h @@ -145,6 +145,10 @@ enum { MLX5_VIRTQ_MODIFY_MASK_STATE = (u64)1 << 0, MLX5_VIRTQ_MODIFY_MASK_DIRTY_BITMAP_PARAMS = (u64)1 << 3, MLX5_VIRTQ_MODIFY_MASK_DIRTY_BITMAP_DUMP_ENABLE = (u64)1 << 4, + MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_ADDRS = (u64)1 << 6, + MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_AVAIL_IDX = (u64)1 << 7, + MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_USED_IDX = (u64)1 << 8, + MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_MKEY = (u64)1 << 11, MLX5_VIRTQ_MODIFY_MASK_DESC_GROUP_MKEY = (u64)1 << 14, }; diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h index fbb9bf447889..c36cc6d82926 100644 --- a/include/linux/mlx5/vport.h +++ b/include/linux/mlx5/vport.h @@ -72,6 +72,7 @@ int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu); int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu); int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev, u64 *system_image_guid); +int mlx5_query_nic_vport_sd_group(struct mlx5_core_dev *mdev, u8 *sd_group); int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid); int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev, u16 vport, u64 node_guid); diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index b2d3a88a34d1..8b611e13153e 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -730,6 +730,7 @@ struct mm_cid { #endif struct kioctx_table; +struct iommu_mm_data; struct mm_struct { struct { /* @@ -941,8 +942,8 @@ struct mm_struct { #endif struct work_struct async_put_work; -#ifdef CONFIG_IOMMU_SVA - u32 pasid; +#ifdef CONFIG_IOMMU_MM_DATA + struct iommu_mm_data *iommu_mm; #endif #ifdef CONFIG_KSM /* diff --git a/include/linux/mman.h b/include/linux/mman.h index 40d94411d492..dc7048824be8 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -156,6 +156,7 @@ calc_vm_flag_bits(unsigned long flags) return _calc_vm_trans(flags, MAP_GROWSDOWN, VM_GROWSDOWN ) | _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) | _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) | + _calc_vm_trans(flags, MAP_STACK, VM_NOHUGEPAGE) | arch_calc_vm_flag_bits(flags); } diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 4ed33b127821..a497f189d988 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -2013,9 +2013,9 @@ static inline int pfn_valid(unsigned long pfn) if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS) return 0; ms = __pfn_to_section(pfn); - rcu_read_lock(); + rcu_read_lock_sched(); if (!valid_section(ms)) { - rcu_read_unlock(); + rcu_read_unlock_sched(); return 0; } /* @@ -2023,7 +2023,7 @@ static inline int pfn_valid(unsigned long pfn) * the entire section-sized span. */ ret = early_section(ms) || pfn_section_valid(ms, pfn); - rcu_read_unlock(); + rcu_read_unlock_sched(); return ret; } diff --git a/include/linux/moxtet.h b/include/linux/moxtet.h index 79184948fab4..ac577699edfd 100644 --- a/include/linux/moxtet.h +++ b/include/linux/moxtet.h @@ -35,8 +35,6 @@ enum turris_mox_module_id { #define MOXTET_NIRQS 16 -extern struct bus_type moxtet_type; - struct moxtet { struct device *dev; struct mutex lock; diff --git a/include/linux/namei.h b/include/linux/namei.h index 3100371b5e32..74e0cc14ebf8 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -66,6 +66,7 @@ extern struct dentry *kern_path_create(int, const char *, struct path *, unsigne extern struct dentry *user_path_create(int, const char __user *, struct path *, unsigned int); extern void done_path_create(struct path *, struct dentry *); extern struct dentry *kern_path_locked(const char *, struct path *); +extern struct dentry *user_path_locked_at(int , const char __user *, struct path *); int vfs_path_parent_lookup(struct filename *filename, unsigned int flags, struct path *parent, struct qstr *last, int *type, const struct path *root); diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h index f980edfdd278..743475ca7e9d 100644 --- a/include/linux/netfilter_bridge.h +++ b/include/linux/netfilter_bridge.h @@ -42,7 +42,7 @@ static inline int nf_bridge_get_physinif(const struct sk_buff *skb) if (!nf_bridge) return 0; - return nf_bridge->physindev ? nf_bridge->physindev->ifindex : 0; + return nf_bridge->physinif; } static inline int nf_bridge_get_physoutif(const struct sk_buff *skb) @@ -56,11 +56,11 @@ static inline int nf_bridge_get_physoutif(const struct sk_buff *skb) } static inline struct net_device * -nf_bridge_get_physindev(const struct sk_buff *skb) +nf_bridge_get_physindev(const struct sk_buff *skb, struct net *net) { const struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb); - return nf_bridge ? nf_bridge->physindev : NULL; + return nf_bridge ? dev_get_by_index_rcu(net, nf_bridge->physinif) : NULL; } static inline struct net_device * diff --git a/include/linux/netfs.h b/include/linux/netfs.h index b11a84f6c32b..100cbb261269 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -109,11 +109,18 @@ static inline int wait_on_page_fscache_killable(struct page *page) return folio_wait_private_2_killable(page_folio(page)); } +/* Marks used on xarray-based buffers */ +#define NETFS_BUF_PUT_MARK XA_MARK_0 /* - Page needs putting */ +#define NETFS_BUF_PAGECACHE_MARK XA_MARK_1 /* - Page needs wb/dirty flag wrangling */ + enum netfs_io_source { NETFS_FILL_WITH_ZEROES, NETFS_DOWNLOAD_FROM_SERVER, NETFS_READ_FROM_CACHE, NETFS_INVALID_READ, + NETFS_UPLOAD_TO_SERVER, + NETFS_WRITE_TO_CACHE, + NETFS_INVALID_WRITE, } __mode(byte); typedef void (*netfs_io_terminated_t)(void *priv, ssize_t transferred_or_error, @@ -129,9 +136,57 @@ struct netfs_inode { struct fscache_cookie *cache; #endif loff_t remote_i_size; /* Size of the remote file */ + loff_t zero_point; /* Size after which we assume there's no data + * on the server */ + unsigned long flags; +#define NETFS_ICTX_ODIRECT 0 /* The file has DIO in progress */ +#define NETFS_ICTX_UNBUFFERED 1 /* I/O should not use the pagecache */ +#define NETFS_ICTX_WRITETHROUGH 2 /* Write-through caching */ +#define NETFS_ICTX_NO_WRITE_STREAMING 3 /* Don't engage in write-streaming */ +}; + +/* + * A netfs group - for instance a ceph snap. This is marked on dirty pages and + * pages marked with a group must be flushed before they can be written under + * the domain of another group. + */ +struct netfs_group { + refcount_t ref; + void (*free)(struct netfs_group *netfs_group); }; /* + * Information about a dirty page (attached only if necessary). + * folio->private + */ +struct netfs_folio { + struct netfs_group *netfs_group; /* Filesystem's grouping marker (or NULL). */ + unsigned int dirty_offset; /* Write-streaming dirty data offset */ + unsigned int dirty_len; /* Write-streaming dirty data length */ +}; +#define NETFS_FOLIO_INFO 0x1UL /* OR'd with folio->private. */ + +static inline struct netfs_folio *netfs_folio_info(struct folio *folio) +{ + void *priv = folio_get_private(folio); + + if ((unsigned long)priv & NETFS_FOLIO_INFO) + return (struct netfs_folio *)((unsigned long)priv & ~NETFS_FOLIO_INFO); + return NULL; +} + +static inline struct netfs_group *netfs_folio_group(struct folio *folio) +{ + struct netfs_folio *finfo; + void *priv = folio_get_private(folio); + + finfo = netfs_folio_info(folio); + if (finfo) + return finfo->netfs_group; + return priv; +} + +/* * Resources required to do operations on a cache. */ struct netfs_cache_resources { @@ -143,17 +198,24 @@ struct netfs_cache_resources { }; /* - * Descriptor for a single component subrequest. + * Descriptor for a single component subrequest. Each operation represents an + * individual read/write from/to a server, a cache, a journal, etc.. + * + * The buffer iterator is persistent for the life of the subrequest struct and + * the pages it points to can be relied on to exist for the duration. */ struct netfs_io_subrequest { struct netfs_io_request *rreq; /* Supervising I/O request */ + struct work_struct work; struct list_head rreq_link; /* Link in rreq->subrequests */ + struct iov_iter io_iter; /* Iterator for this subrequest */ loff_t start; /* Where to start the I/O */ size_t len; /* Size of the I/O */ size_t transferred; /* Amount of data transferred */ refcount_t ref; short error; /* 0 or error that occurred */ unsigned short debug_index; /* Index in list (for debugging output) */ + unsigned int max_nr_segs; /* 0 or max number of segments in an iterator */ enum netfs_io_source source; /* Where to read from/write to */ unsigned long flags; #define NETFS_SREQ_COPY_TO_CACHE 0 /* Set if should copy the data to the cache */ @@ -168,6 +230,13 @@ enum netfs_io_origin { NETFS_READAHEAD, /* This read was triggered by readahead */ NETFS_READPAGE, /* This read is a synchronous read */ NETFS_READ_FOR_WRITE, /* This read is to prepare a write */ + NETFS_WRITEBACK, /* This write was triggered by writepages */ + NETFS_WRITETHROUGH, /* This write was made by netfs_perform_write() */ + NETFS_LAUNDER_WRITE, /* This is triggered by ->launder_folio() */ + NETFS_UNBUFFERED_WRITE, /* This is an unbuffered write */ + NETFS_DIO_READ, /* This is a direct I/O read */ + NETFS_DIO_WRITE, /* This is a direct I/O write */ + nr__netfs_io_origin } __mode(byte); /* @@ -175,19 +244,34 @@ enum netfs_io_origin { * operations to a variety of data stores and then stitch the result together. */ struct netfs_io_request { - struct work_struct work; + union { + struct work_struct work; + struct rcu_head rcu; + }; struct inode *inode; /* The file being accessed */ struct address_space *mapping; /* The mapping being accessed */ + struct kiocb *iocb; /* AIO completion vector */ struct netfs_cache_resources cache_resources; + struct list_head proc_link; /* Link in netfs_iorequests */ struct list_head subrequests; /* Contributory I/O operations */ + struct iov_iter iter; /* Unencrypted-side iterator */ + struct iov_iter io_iter; /* I/O (Encrypted-side) iterator */ void *netfs_priv; /* Private data for the netfs */ + struct bio_vec *direct_bv; /* DIO buffer list (when handling iovec-iter) */ + unsigned int direct_bv_count; /* Number of elements in direct_bv[] */ unsigned int debug_id; + unsigned int rsize; /* Maximum read size (0 for none) */ + unsigned int wsize; /* Maximum write size (0 for none) */ + unsigned int subreq_counter; /* Next subreq->debug_index */ atomic_t nr_outstanding; /* Number of ops in progress */ atomic_t nr_copy_ops; /* Number of copy-to-cache ops in progress */ size_t submitted; /* Amount submitted for I/O so far */ size_t len; /* Length of the request */ + size_t upper_len; /* Length can be extended to here */ + size_t transferred; /* Amount to be indicated as transferred */ short error; /* 0 or error that occurred */ enum netfs_io_origin origin; /* Origin of the request */ + bool direct_bv_unpin; /* T if direct_bv[] must be unpinned */ loff_t i_size; /* Size of the file */ loff_t start; /* Start position */ pgoff_t no_unlock_folio; /* Don't unlock this folio after read */ @@ -199,17 +283,25 @@ struct netfs_io_request { #define NETFS_RREQ_DONT_UNLOCK_FOLIOS 3 /* Don't unlock the folios on completion */ #define NETFS_RREQ_FAILED 4 /* The request failed */ #define NETFS_RREQ_IN_PROGRESS 5 /* Unlocked when the request completes */ +#define NETFS_RREQ_WRITE_TO_CACHE 7 /* Need to write to the cache */ +#define NETFS_RREQ_UPLOAD_TO_SERVER 8 /* Need to write to the server */ +#define NETFS_RREQ_NONBLOCK 9 /* Don't block if possible (O_NONBLOCK) */ +#define NETFS_RREQ_BLOCKED 10 /* We blocked */ const struct netfs_request_ops *netfs_ops; + void (*cleanup)(struct netfs_io_request *req); }; /* * Operations the network filesystem can/must provide to the helpers. */ struct netfs_request_ops { + unsigned int io_request_size; /* Alloc size for netfs_io_request struct */ + unsigned int io_subrequest_size; /* Alloc size for netfs_io_subrequest struct */ int (*init_request)(struct netfs_io_request *rreq, struct file *file); void (*free_request)(struct netfs_io_request *rreq); - int (*begin_cache_operation)(struct netfs_io_request *rreq); + void (*free_subrequest)(struct netfs_io_subrequest *rreq); + /* Read request handling */ void (*expand_readahead)(struct netfs_io_request *rreq); bool (*clamp_length)(struct netfs_io_subrequest *subreq); void (*issue_read)(struct netfs_io_subrequest *subreq); @@ -217,6 +309,14 @@ struct netfs_request_ops { int (*check_write_begin)(struct file *file, loff_t pos, unsigned len, struct folio **foliop, void **_fsdata); void (*done)(struct netfs_io_request *rreq); + + /* Modification handling */ + void (*update_i_size)(struct inode *inode, loff_t i_size); + + /* Write request handling */ + void (*create_write_requests)(struct netfs_io_request *wreq, + loff_t start, size_t len); + void (*invalidate_cache)(struct netfs_io_request *wreq); }; /* @@ -229,8 +329,7 @@ enum netfs_read_from_hole { }; /* - * Table of operations for access to a cache. This is obtained by - * rreq->ops->begin_cache_operation(). + * Table of operations for access to a cache. */ struct netfs_cache_ops { /* End an operation */ @@ -265,8 +364,8 @@ struct netfs_cache_ops { * actually do. */ int (*prepare_write)(struct netfs_cache_resources *cres, - loff_t *_start, size_t *_len, loff_t i_size, - bool no_space_allocated_yet); + loff_t *_start, size_t *_len, size_t upper_len, + loff_t i_size, bool no_space_allocated_yet); /* Prepare an on-demand read operation, shortening it to a cached/uncached * boundary as appropriate. @@ -284,22 +383,62 @@ struct netfs_cache_ops { loff_t *_data_start, size_t *_data_len); }; +/* High-level read API. */ +ssize_t netfs_unbuffered_read_iter(struct kiocb *iocb, struct iov_iter *iter); +ssize_t netfs_buffered_read_iter(struct kiocb *iocb, struct iov_iter *iter); +ssize_t netfs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter); + +/* High-level write API */ +ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter, + struct netfs_group *netfs_group); +ssize_t netfs_buffered_write_iter_locked(struct kiocb *iocb, struct iov_iter *from, + struct netfs_group *netfs_group); +ssize_t netfs_unbuffered_write_iter(struct kiocb *iocb, struct iov_iter *from); +ssize_t netfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from); + +/* Address operations API */ struct readahead_control; void netfs_readahead(struct readahead_control *); int netfs_read_folio(struct file *, struct folio *); int netfs_write_begin(struct netfs_inode *, struct file *, - struct address_space *, loff_t pos, unsigned int len, - struct folio **, void **fsdata); - + struct address_space *, loff_t pos, unsigned int len, + struct folio **, void **fsdata); +int netfs_writepages(struct address_space *mapping, + struct writeback_control *wbc); +bool netfs_dirty_folio(struct address_space *mapping, struct folio *folio); +int netfs_unpin_writeback(struct inode *inode, struct writeback_control *wbc); +void netfs_clear_inode_writeback(struct inode *inode, const void *aux); +void netfs_invalidate_folio(struct folio *folio, size_t offset, size_t length); +bool netfs_release_folio(struct folio *folio, gfp_t gfp); +int netfs_launder_folio(struct folio *folio); + +/* VMA operations API. */ +vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_group); + +/* (Sub)request management API. */ void netfs_subreq_terminated(struct netfs_io_subrequest *, ssize_t, bool); void netfs_get_subrequest(struct netfs_io_subrequest *subreq, enum netfs_sreq_ref_trace what); 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); +size_t netfs_limit_iter(const struct iov_iter *iter, size_t start_offset, + size_t max_size, size_t max_segs); +struct netfs_io_subrequest *netfs_create_write_request( + struct netfs_io_request *wreq, enum netfs_io_source dest, + loff_t start, size_t len, work_func_t worker); +void netfs_write_subrequest_terminated(void *_op, ssize_t transferred_or_error, + bool was_async); +void netfs_queue_write_request(struct netfs_io_subrequest *subreq); + +int netfs_start_io_read(struct inode *inode); +void netfs_end_io_read(struct inode *inode); +int netfs_start_io_write(struct inode *inode); +void netfs_end_io_write(struct inode *inode); +int netfs_start_io_direct(struct inode *inode); +void netfs_end_io_direct(struct inode *inode); /** * netfs_inode - Get the netfs inode context from the inode @@ -317,30 +456,44 @@ static inline struct netfs_inode *netfs_inode(struct inode *inode) * netfs_inode_init - Initialise a netfslib inode context * @ctx: The netfs inode to initialise * @ops: The netfs's operations list + * @use_zero_point: True to use the zero_point read optimisation * * Initialise the netfs library context struct. This is expected to follow on * directly from the VFS inode struct. */ static inline void netfs_inode_init(struct netfs_inode *ctx, - const struct netfs_request_ops *ops) + const struct netfs_request_ops *ops, + bool use_zero_point) { ctx->ops = ops; ctx->remote_i_size = i_size_read(&ctx->inode); + ctx->zero_point = LLONG_MAX; + ctx->flags = 0; #if IS_ENABLED(CONFIG_FSCACHE) ctx->cache = NULL; #endif + /* ->releasepage() drives zero_point */ + if (use_zero_point) { + ctx->zero_point = ctx->remote_i_size; + mapping_set_release_always(ctx->inode.i_mapping); + } } /** * netfs_resize_file - Note that a file got resized * @ctx: The netfs inode being resized * @new_i_size: The new file size + * @changed_on_server: The change was applied to the server * * Inform the netfs lib that a file got resized so that it can adjust its state. */ -static inline void netfs_resize_file(struct netfs_inode *ctx, loff_t new_i_size) +static inline void netfs_resize_file(struct netfs_inode *ctx, loff_t new_i_size, + bool changed_on_server) { - ctx->remote_i_size = new_i_size; + if (changed_on_server) + ctx->remote_i_size = new_i_size; + if (new_i_size < ctx->zero_point) + ctx->zero_point = new_i_size; } /** diff --git a/include/linux/node.h b/include/linux/node.h index 427a5975cf40..25b66d705ee2 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -20,14 +20,14 @@ #include <linux/list.h> /** - * struct node_hmem_attrs - heterogeneous memory performance attributes + * struct access_coordinate - generic performance coordinates container * * @read_bandwidth: Read bandwidth in MB/s * @write_bandwidth: Write bandwidth in MB/s * @read_latency: Read latency in nanoseconds * @write_latency: Write latency in nanoseconds */ -struct node_hmem_attrs { +struct access_coordinate { unsigned int read_bandwidth; unsigned int write_bandwidth; unsigned int read_latency; @@ -65,7 +65,7 @@ struct node_cache_attrs { #ifdef CONFIG_HMEM_REPORTING void node_add_cache(unsigned int nid, struct node_cache_attrs *cache_attrs); -void node_set_perf_attrs(unsigned int nid, struct node_hmem_attrs *hmem_attrs, +void node_set_perf_attrs(unsigned int nid, struct access_coordinate *coord, unsigned access); #else static inline void node_add_cache(unsigned int nid, @@ -74,7 +74,7 @@ static inline void node_add_cache(unsigned int nid, } static inline void node_set_perf_attrs(unsigned int nid, - struct node_hmem_attrs *hmem_attrs, + struct access_coordinate *coord, unsigned access) { } diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 44325c068b6a..462c21e0e417 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -20,7 +20,6 @@ #define NVMF_TRSVCID_SIZE 32 #define NVMF_TRADDR_SIZE 256 #define NVMF_TSAS_SIZE 256 -#define NVMF_AUTH_HASH_LEN 64 #define NVME_DISC_SUBSYS_NAME "nqn.2014-08.org.nvmexpress.discovery" diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 6ec4b9743e25..34c0e58dfa26 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -81,6 +81,7 @@ int nvmem_device_cell_write(struct nvmem_device *nvmem, struct nvmem_cell_info *info, void *buf); const char *nvmem_dev_name(struct nvmem_device *nvmem); +size_t nvmem_dev_size(struct nvmem_device *nvmem); void nvmem_add_cell_lookups(struct nvmem_cell_lookup *entries, size_t nentries); @@ -247,7 +248,6 @@ struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, const char *id); struct nvmem_device *of_nvmem_device_get(struct device_node *np, const char *name); -struct device_node *of_nvmem_layout_get_container(struct nvmem_device *nvmem); #else static inline struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, const char *id) @@ -260,12 +260,6 @@ static inline struct nvmem_device *of_nvmem_device_get(struct device_node *np, { return ERR_PTR(-EOPNOTSUPP); } - -static inline struct device_node * -of_nvmem_layout_get_container(struct nvmem_device *nvmem) -{ - return NULL; -} #endif /* CONFIG_NVMEM && CONFIG_OF */ #endif /* ifndef _LINUX_NVMEM_CONSUMER_H */ diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index e3930835235b..f0ba0e03218f 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -9,6 +9,7 @@ #ifndef _LINUX_NVMEM_PROVIDER_H #define _LINUX_NVMEM_PROVIDER_H +#include <linux/device.h> #include <linux/device/driver.h> #include <linux/err.h> #include <linux/errno.h> @@ -83,6 +84,8 @@ struct nvmem_cell_info { * @cells: Optional array of pre-defined NVMEM cells. * @ncells: Number of elements in cells. * @add_legacy_fixed_of_cells: Read fixed NVMEM cells from old OF syntax. + * @fixup_dt_cell_info: Will be called before a cell is added. Can be + * used to modify the nvmem_cell_info. * @keepout: Optional array of keepout ranges (sorted ascending by start). * @nkeepout: Number of elements in the keepout array. * @type: Type of the nvmem storage @@ -113,6 +116,8 @@ struct nvmem_config { const struct nvmem_cell_info *cells; int ncells; bool add_legacy_fixed_of_cells; + void (*fixup_dt_cell_info)(struct nvmem_device *nvmem, + struct nvmem_cell_info *cell); const struct nvmem_keepout *keepout; unsigned int nkeepout; enum nvmem_type type; @@ -154,15 +159,11 @@ struct nvmem_cell_table { /** * struct nvmem_layout - NVMEM layout definitions * - * @name: Layout name. - * @of_match_table: Open firmware match table. + * @dev: Device-model layout device. + * @nvmem: The underlying NVMEM device * @add_cells: Will be called if a nvmem device is found which * has this layout. The function will add layout * specific cells with nvmem_add_one_cell(). - * @fixup_cell_info: Will be called before a cell is added. Can be - * used to modify the nvmem_cell_info. - * @owner: Pointer to struct module. - * @node: List node. * * A nvmem device can hold a well defined structure which can just be * evaluated during runtime. For example a TLV list, or a list of "name=val" @@ -170,17 +171,15 @@ struct nvmem_cell_table { * cells. */ struct nvmem_layout { - const char *name; - const struct of_device_id *of_match_table; - int (*add_cells)(struct device *dev, struct nvmem_device *nvmem, - struct nvmem_layout *layout); - void (*fixup_cell_info)(struct nvmem_device *nvmem, - struct nvmem_layout *layout, - struct nvmem_cell_info *cell); - - /* private */ - struct module *owner; - struct list_head node; + struct device dev; + struct nvmem_device *nvmem; + int (*add_cells)(struct nvmem_layout *layout); +}; + +struct nvmem_layout_driver { + struct device_driver driver; + int (*probe)(struct nvmem_layout *layout); + void (*remove)(struct nvmem_layout *layout); }; #if IS_ENABLED(CONFIG_NVMEM) @@ -197,13 +196,14 @@ 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); -int __nvmem_layout_register(struct nvmem_layout *layout, struct module *owner); -#define nvmem_layout_register(layout) \ - __nvmem_layout_register(layout, THIS_MODULE) +int nvmem_layout_register(struct nvmem_layout *layout); void nvmem_layout_unregister(struct nvmem_layout *layout); -const void *nvmem_layout_get_match_data(struct nvmem_device *nvmem, - struct nvmem_layout *layout); +int nvmem_layout_driver_register(struct nvmem_layout_driver *drv); +void nvmem_layout_driver_unregister(struct nvmem_layout_driver *drv); +#define module_nvmem_layout_driver(__nvmem_layout_driver) \ + module_driver(__nvmem_layout_driver, nvmem_layout_driver_register, \ + nvmem_layout_driver_unregister) #else @@ -235,17 +235,27 @@ static inline int nvmem_layout_register(struct nvmem_layout *layout) static inline void nvmem_layout_unregister(struct nvmem_layout *layout) {} -static inline const void * -nvmem_layout_get_match_data(struct nvmem_device *nvmem, - struct nvmem_layout *layout) +#endif /* CONFIG_NVMEM */ + +#if IS_ENABLED(CONFIG_NVMEM) && IS_ENABLED(CONFIG_OF) + +/** + * of_nvmem_layout_get_container() - Get OF node of layout container + * + * @nvmem: nvmem device + * + * Return: a node pointer with refcount incremented or NULL if no + * container exists. Use of_node_put() on it when done. + */ +struct device_node *of_nvmem_layout_get_container(struct nvmem_device *nvmem); + +#else /* CONFIG_NVMEM && CONFIG_OF */ + +static inline struct device_node *of_nvmem_layout_get_container(struct nvmem_device *nvmem) { return NULL; } -#endif /* CONFIG_NVMEM */ - -#define module_nvmem_layout_driver(__layout_driver) \ - module_driver(__layout_driver, nvmem_layout_register, \ - nvmem_layout_unregister) +#endif /* CONFIG_NVMEM && CONFIG_OF */ #endif /* ifndef _LINUX_NVMEM_PROVIDER_H */ diff --git a/include/linux/of_device.h b/include/linux/of_device.h index 2c7a3d4bc775..9042bca5bb84 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -2,10 +2,7 @@ #ifndef _LINUX_OF_DEVICE_H #define _LINUX_OF_DEVICE_H -#include <linux/platform_device.h> -#include <linux/of_platform.h> /* temporary until merge */ - -#include <linux/of.h> +#include <linux/device/driver.h> struct device; struct of_device_id; @@ -40,6 +37,9 @@ static inline int of_dma_configure(struct device *dev, { return of_dma_configure_id(dev, np, force_dma, NULL); } + +void of_device_make_bus_id(struct device *dev); + #else /* CONFIG_OF */ static inline int of_driver_match_device(struct device *dev, @@ -82,6 +82,9 @@ static inline int of_dma_configure(struct device *dev, { return 0; } + +static inline void of_device_make_bus_id(struct device *dev) {} + #endif /* CONFIG_OF */ #endif /* _LINUX_OF_DEVICE_H */ diff --git a/include/linux/of_iommu.h b/include/linux/of_iommu.h index 9a5e6b410dd2..e61cbbe12dac 100644 --- a/include/linux/of_iommu.h +++ b/include/linux/of_iommu.h @@ -8,20 +8,19 @@ struct iommu_ops; #ifdef CONFIG_OF_IOMMU -extern const struct iommu_ops *of_iommu_configure(struct device *dev, - struct device_node *master_np, - const u32 *id); +extern int 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, - struct device_node *master_np, - const u32 *id) +static inline int of_iommu_configure(struct device *dev, + struct device_node *master_np, + const u32 *id) { - return NULL; + return -ENODEV; } static inline void of_iommu_get_resv_regions(struct device *dev, diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index fadfea575485..a2ff1ad48f7f 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -7,11 +7,11 @@ */ #include <linux/mod_devicetable.h> -#include <linux/of_device.h> -#include <linux/platform_device.h> struct device; +struct device_node; struct of_device_id; +struct platform_device; /** * struct of_dev_auxdata - lookup table entry for device names & platform_data diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 06142ff7f9ce..2df35e65557d 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -206,6 +206,7 @@ enum mapping_flags { AS_RELEASE_ALWAYS, /* Call ->release_folio(), even if no private data */ AS_STABLE_WRITES, /* must wait for writeback before modifying folio contents */ + AS_UNMOVABLE, /* The mapping cannot be moved, ever */ }; /** @@ -306,6 +307,22 @@ static inline void mapping_clear_stable_writes(struct address_space *mapping) clear_bit(AS_STABLE_WRITES, &mapping->flags); } +static inline void mapping_set_unmovable(struct address_space *mapping) +{ + /* + * It's expected unmovable mappings are also unevictable. Compaction + * migrate scanner (isolate_migratepages_block()) relies on this to + * reduce page locking. + */ + set_bit(AS_UNEVICTABLE, &mapping->flags); + set_bit(AS_UNMOVABLE, &mapping->flags); +} + +static inline bool mapping_unmovable(struct address_space *mapping) +{ + return test_bit(AS_UNMOVABLE, &mapping->flags); +} + static inline gfp_t mapping_gfp_mask(struct address_space * mapping) { return mapping->gfp_mask; diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h index 6b1301e2498e..3a4860bd2758 100644 --- a/include/linux/pci-ecam.h +++ b/include/linux/pci-ecam.h @@ -93,6 +93,6 @@ extern const struct pci_ecam_ops loongson_pci_ecam_ops; /* Loongson PCIe */ #if IS_ENABLED(CONFIG_PCI_HOST_COMMON) /* for DT-based PCI controllers that support ECAM */ int pci_host_common_probe(struct platform_device *pdev); -int pci_host_common_remove(struct platform_device *pdev); +void pci_host_common_remove(struct platform_device *pdev); #endif #endif diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index 5cb694031072..40ea18f5aa02 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -19,13 +19,6 @@ enum pci_epc_interface_type { SECONDARY_INTERFACE, }; -enum pci_epc_irq_type { - PCI_EPC_IRQ_UNKNOWN, - PCI_EPC_IRQ_LEGACY, - PCI_EPC_IRQ_MSI, - PCI_EPC_IRQ_MSIX, -}; - static inline const char * pci_epc_interface_string(enum pci_epc_interface_type type) { @@ -79,7 +72,7 @@ struct pci_epc_ops { u16 interrupts, enum pci_barno, u32 offset); int (*get_msix)(struct pci_epc *epc, u8 func_no, u8 vfunc_no); int (*raise_irq)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, - enum pci_epc_irq_type type, u16 interrupt_num); + unsigned int type, u16 interrupt_num); int (*map_msi_irq)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, phys_addr_t phys_addr, u8 interrupt_num, u32 entry_size, u32 *msi_data, @@ -122,7 +115,7 @@ 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 + * @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 @@ -229,7 +222,7 @@ int pci_epc_map_msi_irq(struct pci_epc *epc, u8 func_no, u8 vfunc_no, phys_addr_t phys_addr, u8 interrupt_num, u32 entry_size, u32 *msi_data, u32 *msi_addr_offset); int pci_epc_raise_irq(struct pci_epc *epc, u8 func_no, u8 vfunc_no, - enum pci_epc_irq_type type, u16 interrupt_num); + unsigned int type, u16 interrupt_num); int pci_epc_start(struct pci_epc *epc); void pci_epc_stop(struct pci_epc *epc); const struct pci_epc_features *pci_epc_get_features(struct pci_epc *epc, diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index 3f44b6aec477..77b146e0f672 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -68,7 +68,7 @@ struct pci_epf_ops { }; /** - * struct pci_epf_event_ops - Callbacks for capturing the EPC events + * struct pci_epc_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 * @link_down: Callback for the EPC link down event @@ -98,7 +98,7 @@ struct pci_epf_driver { void (*remove)(struct pci_epf *epf); struct device_driver driver; - struct pci_epf_ops *ops; + const struct pci_epf_ops *ops; struct module *owner; struct list_head epf_group; const struct pci_epf_device_id *id_table; diff --git a/include/linux/pci.h b/include/linux/pci.h index 58a4c976c39b..add9368e6314 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -715,6 +715,7 @@ static inline bool pci_is_bridge(struct pci_dev *dev) /** * pci_is_vga - check if the PCI device is a VGA device + * @pdev: PCI device * * The PCI Code and ID Assignment spec, r1.15, secs 1.4 and 1.1, define * VGA Base Class and Sub-Classes: @@ -885,7 +886,6 @@ struct module; /** * struct pci_driver - PCI driver structure - * @node: List of driver structures. * @name: Driver name. * @id_table: Pointer to table of device IDs the driver is * interested in. Most drivers should export this @@ -940,7 +940,6 @@ struct module; * own I/O address space. */ struct pci_driver { - struct list_head node; const char *name; const struct pci_device_id *id_table; /* Must be non-NULL for probe to be called */ int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); /* New device inserted */ @@ -1073,11 +1072,13 @@ enum { PCI_SCAN_ALL_PCIE_DEVS = 0x00000040, /* Scan all, not just dev 0 */ }; -#define PCI_IRQ_LEGACY (1 << 0) /* Allow legacy interrupts */ +#define PCI_IRQ_INTX (1 << 0) /* Allow INTx interrupts */ #define PCI_IRQ_MSI (1 << 1) /* Allow MSI interrupts */ #define PCI_IRQ_MSIX (1 << 2) /* Allow MSI-X interrupts */ #define PCI_IRQ_AFFINITY (1 << 3) /* Auto-assign affinity */ +#define PCI_IRQ_LEGACY PCI_IRQ_INTX /* Deprecated! Use PCI_IRQ_INTX */ + /* These external functions are only available when PCI support is enabled */ #ifdef CONFIG_PCI @@ -1170,6 +1171,7 @@ int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge); u8 pci_common_swizzle(struct pci_dev *dev, u8 *pinp); struct pci_dev *pci_dev_get(struct pci_dev *dev); void pci_dev_put(struct pci_dev *dev); +DEFINE_FREE(pci_dev_put, struct pci_dev *, if (_T) pci_dev_put(_T)) void pci_remove_bus(struct pci_bus *b); void pci_stop_and_remove_bus_device(struct pci_dev *dev); void pci_stop_and_remove_bus_device_locked(struct pci_dev *dev); @@ -1366,6 +1368,7 @@ int pcie_set_mps(struct pci_dev *dev, int mps); u32 pcie_bandwidth_available(struct pci_dev *dev, struct pci_dev **limiting_dev, enum pci_bus_speed *speed, enum pcie_link_width *width); +int pcie_link_speed_mbps(struct pci_dev *pdev); void pcie_print_link_status(struct pci_dev *dev); int pcie_reset_flr(struct pci_dev *dev, bool probe); int pcie_flr(struct pci_dev *dev); @@ -1876,6 +1879,7 @@ void pci_cfg_access_unlock(struct pci_dev *dev); void pci_dev_lock(struct pci_dev *dev); int pci_dev_trylock(struct pci_dev *dev); void pci_dev_unlock(struct pci_dev *dev); +DEFINE_GUARD(pci_dev, struct pci_dev *, pci_dev_lock(_T), pci_dev_unlock(_T)) /* * PCI domain support. Sometimes called PCI segment (eg by ACPI), @@ -2132,14 +2136,14 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma); (pci_resource_end((dev), (bar)) ? \ resource_size(pci_resource_n((dev), (bar))) : 0) -#define __pci_dev_for_each_res0(dev, res, ...) \ - for (unsigned int __b = 0; \ - res = pci_resource_n(dev, __b), __b < PCI_NUM_RESOURCES; \ +#define __pci_dev_for_each_res0(dev, res, ...) \ + for (unsigned int __b = 0; \ + __b < PCI_NUM_RESOURCES && (res = pci_resource_n(dev, __b)); \ __b++) -#define __pci_dev_for_each_res1(dev, res, __b) \ - for (__b = 0; \ - res = pci_resource_n(dev, __b), __b < PCI_NUM_RESOURCES; \ +#define __pci_dev_for_each_res1(dev, res, __b) \ + for (__b = 0; \ + __b < PCI_NUM_RESOURCES && (res = pci_resource_n(dev, __b)); \ __b++) #define pci_dev_for_each_resource(dev, res, ...) \ diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 466cf477551a..f6d0e3513948 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -299,6 +299,27 @@ static inline pmd_t pmdp_get(pmd_t *pmdp) } #endif +#ifndef pudp_get +static inline pud_t pudp_get(pud_t *pudp) +{ + return READ_ONCE(*pudp); +} +#endif + +#ifndef p4dp_get +static inline p4d_t p4dp_get(p4d_t *p4dp) +{ + return READ_ONCE(*p4dp); +} +#endif + +#ifndef pgdp_get +static inline pgd_t pgdp_get(pgd_t *pgdp) +{ + return READ_ONCE(*pgdp); +} +#endif + #ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long address, diff --git a/include/linux/pinctrl/machine.h b/include/linux/pinctrl/machine.h index ee8803f6ad07..673e96df453b 100644 --- a/include/linux/pinctrl/machine.h +++ b/include/linux/pinctrl/machine.h @@ -47,7 +47,7 @@ struct pinctrl_map_mux { struct pinctrl_map_configs { const char *group_or_pin; unsigned long *configs; - unsigned num_configs; + unsigned int num_configs; }; /** @@ -154,13 +154,13 @@ struct pinctrl_map; #ifdef CONFIG_PINCTRL extern int pinctrl_register_mappings(const struct pinctrl_map *map, - unsigned num_maps); + unsigned int num_maps); extern void pinctrl_unregister_mappings(const struct pinctrl_map *map); extern void pinctrl_provide_dummies(void); #else static inline int pinctrl_register_mappings(const struct pinctrl_map *map, - unsigned num_maps) + unsigned int num_maps) { return 0; } diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index d74b7a4ea154..a65d3d078e58 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -193,17 +193,17 @@ struct pinconf_generic_params { int pinconf_generic_dt_subnode_to_map(struct pinctrl_dev *pctldev, struct device_node *np, struct pinctrl_map **map, - unsigned *reserved_maps, unsigned *num_maps, + unsigned int *reserved_maps, unsigned int *num_maps, enum pinctrl_map_type type); int pinconf_generic_dt_node_to_map(struct pinctrl_dev *pctldev, struct device_node *np_config, struct pinctrl_map **map, - unsigned *num_maps, enum pinctrl_map_type type); + unsigned int *num_maps, enum pinctrl_map_type type); void pinconf_generic_dt_free_map(struct pinctrl_dev *pctldev, - struct pinctrl_map *map, unsigned num_maps); + struct pinctrl_map *map, unsigned int num_maps); static inline int pinconf_generic_dt_node_to_map_group(struct pinctrl_dev *pctldev, struct device_node *np_config, struct pinctrl_map **map, - unsigned *num_maps) + unsigned int *num_maps) { return pinconf_generic_dt_node_to_map(pctldev, np_config, map, num_maps, PIN_MAP_TYPE_CONFIGS_GROUP); @@ -211,7 +211,7 @@ static inline int pinconf_generic_dt_node_to_map_group(struct pinctrl_dev *pctld static inline int pinconf_generic_dt_node_to_map_pin(struct pinctrl_dev *pctldev, struct device_node *np_config, struct pinctrl_map **map, - unsigned *num_maps) + unsigned int *num_maps) { return pinconf_generic_dt_node_to_map(pctldev, np_config, map, num_maps, PIN_MAP_TYPE_CONFIGS_PIN); diff --git a/include/linux/pinctrl/pinconf.h b/include/linux/pinctrl/pinconf.h index f8a8215e9021..770ec2221156 100644 --- a/include/linux/pinctrl/pinconf.h +++ b/include/linux/pinctrl/pinconf.h @@ -40,25 +40,25 @@ struct pinconf_ops { bool is_generic; #endif int (*pin_config_get) (struct pinctrl_dev *pctldev, - unsigned pin, + unsigned int pin, unsigned long *config); int (*pin_config_set) (struct pinctrl_dev *pctldev, - unsigned pin, + unsigned int pin, unsigned long *configs, - unsigned num_configs); + unsigned int num_configs); int (*pin_config_group_get) (struct pinctrl_dev *pctldev, - unsigned selector, + unsigned int selector, unsigned long *config); int (*pin_config_group_set) (struct pinctrl_dev *pctldev, - unsigned selector, + unsigned int selector, unsigned long *configs, - unsigned num_configs); + unsigned int num_configs); void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s, - unsigned offset); + unsigned int offset); void (*pin_config_group_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s, - unsigned selector); + unsigned int selector); void (*pin_config_config_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s, unsigned long config); diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 4d252ea00ed1..9a8189ffd0f2 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -54,7 +54,7 @@ struct pingroup { * @drv_data: driver-defined per-pin data. pinctrl core does not touch this */ struct pinctrl_pin_desc { - unsigned number; + unsigned int number; const char *name; void *drv_data; }; @@ -82,7 +82,7 @@ struct pinctrl_gpio_range { unsigned int base; unsigned int pin_base; unsigned int npins; - unsigned const *pins; + unsigned int const *pins; struct gpio_chip *gc; }; @@ -108,18 +108,18 @@ struct pinctrl_gpio_range { struct pinctrl_ops { int (*get_groups_count) (struct pinctrl_dev *pctldev); const char *(*get_group_name) (struct pinctrl_dev *pctldev, - unsigned selector); + unsigned int selector); int (*get_group_pins) (struct pinctrl_dev *pctldev, - unsigned selector, - const unsigned **pins, - unsigned *num_pins); + unsigned int selector, + const unsigned int **pins, + unsigned int *num_pins); void (*pin_dbg_show) (struct pinctrl_dev *pctldev, struct seq_file *s, - unsigned offset); + unsigned int offset); int (*dt_node_to_map) (struct pinctrl_dev *pctldev, struct device_node *np_config, - struct pinctrl_map **map, unsigned *num_maps); + struct pinctrl_map **map, unsigned int *num_maps); void (*dt_free_map) (struct pinctrl_dev *pctldev, - struct pinctrl_map *map, unsigned num_maps); + struct pinctrl_map *map, unsigned int num_maps); }; /** @@ -193,7 +193,7 @@ extern void pinctrl_add_gpio_range(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range); extern void pinctrl_add_gpio_ranges(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *ranges, - unsigned nranges); + unsigned int nranges); extern void pinctrl_remove_gpio_range(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range); @@ -203,8 +203,8 @@ extern struct pinctrl_gpio_range * pinctrl_find_gpio_range_from_pin(struct pinctrl_dev *pctldev, unsigned int pin); extern int pinctrl_get_group_pins(struct pinctrl_dev *pctldev, - const char *pin_group, const unsigned **pins, - unsigned *num_pins); + const char *pin_group, const unsigned int **pins, + unsigned int *num_pins); /** * struct pinfunction - Description about a function diff --git a/include/linux/pinctrl/pinmux.h b/include/linux/pinctrl/pinmux.h index a7e370965c53..d6f7b58d6ad0 100644 --- a/include/linux/pinctrl/pinmux.h +++ b/include/linux/pinctrl/pinmux.h @@ -57,26 +57,26 @@ struct pinctrl_gpio_range; * the pin request. */ struct pinmux_ops { - int (*request) (struct pinctrl_dev *pctldev, unsigned offset); - int (*free) (struct pinctrl_dev *pctldev, unsigned offset); + int (*request) (struct pinctrl_dev *pctldev, unsigned int offset); + int (*free) (struct pinctrl_dev *pctldev, unsigned int offset); int (*get_functions_count) (struct pinctrl_dev *pctldev); const char *(*get_function_name) (struct pinctrl_dev *pctldev, - unsigned selector); + unsigned int selector); int (*get_function_groups) (struct pinctrl_dev *pctldev, - unsigned selector, - const char * const **groups, - unsigned *num_groups); - int (*set_mux) (struct pinctrl_dev *pctldev, unsigned func_selector, - unsigned group_selector); + unsigned int selector, + const char * const **groups, + unsigned int *num_groups); + int (*set_mux) (struct pinctrl_dev *pctldev, unsigned int func_selector, + unsigned int group_selector); int (*gpio_request_enable) (struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, - unsigned offset); + unsigned int offset); void (*gpio_disable_free) (struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, - unsigned offset); + unsigned int offset); int (*gpio_set_direction) (struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, - unsigned offset, + unsigned int offset, bool input); bool strict; }; diff --git a/include/linux/platform_data/i2c-mux-reg.h b/include/linux/platform_data/i2c-mux-reg.h index 2543c2a1c9ae..e2e895768311 100644 --- a/include/linux/platform_data/i2c-mux-reg.h +++ b/include/linux/platform_data/i2c-mux-reg.h @@ -17,7 +17,6 @@ * @n_values: Number of multiplexer channels * @little_endian: Indicating if the register is in little endian * @write_only: Reading the register is not allowed by hardware - * @classes: Optional I2C auto-detection classes * @idle: Value to write to mux when idle * @idle_in_use: indicate if idle value is in use * @reg: Virtual address of the register to switch channel @@ -30,7 +29,6 @@ struct i2c_mux_reg_platform_data { int n_values; bool little_endian; bool write_only; - const unsigned int *classes; u32 idle; bool idle_in_use; void __iomem *reg; diff --git a/include/linux/platform_data/keypad-omap.h b/include/linux/platform_data/keypad-omap.h index 3e7c64c854f4..f3f1311cdf3a 100644 --- a/include/linux/platform_data/keypad-omap.h +++ b/include/linux/platform_data/keypad-omap.h @@ -19,9 +19,6 @@ struct omap_kp_platform_data { bool rep; unsigned long delay; bool dbounce; - /* specific to OMAP242x*/ - unsigned int *row_gpios; - unsigned int *col_gpios; }; /* Group (0..3) -- when multiple keys are pressed, only the diff --git a/include/linux/pm.h b/include/linux/pm.h index 92a4f69de0e8..a2f3e53a8196 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -681,6 +681,7 @@ struct dev_pm_info { bool wakeup_path:1; bool syscore:1; bool no_pm_callbacks:1; /* Owned by the PM core */ + bool async_in_progress:1; /* Owned by the PM core */ unsigned int must_resume:1; /* Owned by the PM core */ unsigned int may_skip_resume:1; /* Set by subsystems */ #else diff --git a/include/linux/pm_clock.h b/include/linux/pm_clock.h index ada3a0ab10bf..68669ce18720 100644 --- a/include/linux/pm_clock.h +++ b/include/linux/pm_clock.h @@ -91,10 +91,10 @@ static inline int devm_pm_clk_create(struct device *dev) #endif #ifdef CONFIG_HAVE_CLK -extern void pm_clk_add_notifier(struct bus_type *bus, +extern void pm_clk_add_notifier(const struct bus_type *bus, struct pm_clk_notifier_block *clknb); #else -static inline void pm_clk_add_notifier(struct bus_type *bus, +static inline void pm_clk_add_notifier(const struct bus_type *bus, struct pm_clk_notifier_block *clknb) { } diff --git a/include/linux/pnp.h b/include/linux/pnp.h index 267fb8a4fb6e..ddbe7c3ca4ce 100644 --- a/include/linux/pnp.h +++ b/include/linux/pnp.h @@ -435,7 +435,7 @@ struct pnp_protocol { #define protocol_for_each_dev(protocol, dev) \ list_for_each_entry(dev, &(protocol)->devices, protocol_list) -extern struct bus_type pnp_bus_type; +extern const struct bus_type pnp_bus_type; #if defined(CONFIG_PNP) diff --git a/include/linux/power/bq27xxx_battery.h b/include/linux/power/bq27xxx_battery.h index 7c8d65414a70..7d8025fb74b7 100644 --- a/include/linux/power/bq27xxx_battery.h +++ b/include/linux/power/bq27xxx_battery.h @@ -83,5 +83,6 @@ struct bq27xxx_device_info { void bq27xxx_battery_update(struct bq27xxx_device_info *di); int bq27xxx_battery_setup(struct bq27xxx_device_info *di); void bq27xxx_battery_teardown(struct bq27xxx_device_info *di); +extern const struct dev_pm_ops bq27xxx_battery_battery_pm_ops; #endif diff --git a/include/linux/property.h b/include/linux/property.h index 60e35bd97398..e6516d0b7d52 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -124,6 +124,18 @@ static inline bool device_is_compatible(const struct device *dev, const char *co return fwnode_device_is_compatible(dev_fwnode(dev), compat); } +int fwnode_property_match_property_string(const struct fwnode_handle *fwnode, + const char *propname, + const char * const *array, size_t n); + +static inline +int device_property_match_property_string(const struct device *dev, + const char *propname, + const char * const *array, size_t n) +{ + return fwnode_property_match_property_string(dev_fwnode(dev), propname, array, n); +} + int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, const char *prop, const char *nargs_prop, unsigned int nargs, unsigned int index, diff --git a/include/linux/pwm.h b/include/linux/pwm.h index cda3597b84f2..fcc2c4496f73 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -69,7 +69,6 @@ struct pwm_state { * @label: name of the PWM device * @flags: flags associated with the PWM device * @hwpwm: per-chip relative index of the PWM device - * @pwm: global index of the PWM device * @chip: PWM chip providing this PWM device * @args: PWM arguments * @state: last applied state @@ -79,7 +78,6 @@ struct pwm_device { const char *label; unsigned long flags; unsigned int hwpwm; - unsigned int pwm; struct pwm_chip *chip; struct pwm_args args; @@ -93,8 +91,8 @@ struct pwm_device { * @state: state to fill with the current PWM state * * The returned PWM state represents the state that was applied by a previous call to - * pwm_apply_state(). Drivers may have to slightly tweak that state before programming it to - * hardware. If pwm_apply_state() was never called, this returns either the current hardware + * pwm_apply_might_sleep(). Drivers may have to slightly tweak that state before programming it to + * hardware. If pwm_apply_might_sleep() was never called, this returns either the current hardware * state (if supported) or the default settings. */ static inline void pwm_get_state(const struct pwm_device *pwm, @@ -112,12 +110,6 @@ static inline bool pwm_is_enabled(const struct pwm_device *pwm) return state.enabled; } -static inline void pwm_set_period(struct pwm_device *pwm, u64 period) -{ - if (pwm) - pwm->state.period = period; -} - static inline u64 pwm_get_period(const struct pwm_device *pwm) { struct pwm_state state; @@ -127,12 +119,6 @@ static inline u64 pwm_get_period(const struct pwm_device *pwm) return state.period; } -static inline void pwm_set_duty_cycle(struct pwm_device *pwm, unsigned int duty) -{ - if (pwm) - pwm->state.duty_cycle = duty; -} - static inline u64 pwm_get_duty_cycle(const struct pwm_device *pwm) { struct pwm_state state; @@ -158,20 +144,20 @@ static inline void pwm_get_args(const struct pwm_device *pwm, } /** - * pwm_init_state() - prepare a new state to be applied with pwm_apply_state() + * pwm_init_state() - prepare a new state to be applied with pwm_apply_might_sleep() * @pwm: PWM device * @state: state to fill with the prepared PWM state * * This functions prepares a state that can later be tweaked and applied - * to the PWM device with pwm_apply_state(). This is a convenient function + * to the PWM device with pwm_apply_might_sleep(). This is a convenient function * that first retrieves the current PWM state and the replaces the period * and polarity fields with the reference values defined in pwm->args. * Once the function returns, you can adjust the ->enabled and ->duty_cycle - * fields according to your needs before calling pwm_apply_state(). + * fields according to your needs before calling pwm_apply_might_sleep(). * * ->duty_cycle is initially set to zero to avoid cases where the current * ->duty_cycle value exceed the pwm_args->period one, which would trigger - * an error if the user calls pwm_apply_state() without adjusting ->duty_cycle + * an error if the user calls pwm_apply_might_sleep() without adjusting ->duty_cycle * first. */ static inline void pwm_init_state(const struct pwm_device *pwm, @@ -227,7 +213,7 @@ pwm_get_relative_duty_cycle(const struct pwm_state *state, unsigned int scale) * * pwm_init_state(pwm, &state); * pwm_set_relative_duty_cycle(&state, 50, 100); - * pwm_apply_state(pwm, &state); + * pwm_apply_might_sleep(pwm, &state); * * This functions returns -EINVAL if @duty_cycle and/or @scale are * inconsistent (@scale == 0 or @duty_cycle > @scale). @@ -282,32 +268,33 @@ struct pwm_ops { * @dev: device providing the PWMs * @ops: callbacks for this PWM controller * @owner: module providing this chip - * @base: number of first PWM controlled by this chip + * @id: unique number of this PWM chip * @npwm: number of PWMs controlled by this chip * @of_xlate: request a PWM device given a device tree PWM specifier * @of_pwm_n_cells: number of cells expected in the device tree PWM specifier - * @list: list node for internal use + * @atomic: can the driver's ->apply() be called in atomic context * @pwms: array of PWM devices allocated by the framework */ struct pwm_chip { struct device *dev; const struct pwm_ops *ops; struct module *owner; - int base; + unsigned int id; unsigned int npwm; struct pwm_device * (*of_xlate)(struct pwm_chip *chip, const struct of_phandle_args *args); unsigned int of_pwm_n_cells; + bool atomic; /* only used internally by the PWM framework */ - struct list_head list; struct pwm_device *pwms; }; #if IS_ENABLED(CONFIG_PWM) /* PWM user APIs */ -int pwm_apply_state(struct pwm_device *pwm, const struct pwm_state *state); +int pwm_apply_might_sleep(struct pwm_device *pwm, const struct pwm_state *state); +int pwm_apply_atomic(struct pwm_device *pwm, const struct pwm_state *state); int pwm_adjust_config(struct pwm_device *pwm); /** @@ -335,7 +322,7 @@ static inline int pwm_config(struct pwm_device *pwm, int duty_ns, state.duty_cycle = duty_ns; state.period = period_ns; - return pwm_apply_state(pwm, &state); + return pwm_apply_might_sleep(pwm, &state); } /** @@ -356,7 +343,7 @@ static inline int pwm_enable(struct pwm_device *pwm) return 0; state.enabled = true; - return pwm_apply_state(pwm, &state); + return pwm_apply_might_sleep(pwm, &state); } /** @@ -375,7 +362,18 @@ static inline void pwm_disable(struct pwm_device *pwm) return; state.enabled = false; - pwm_apply_state(pwm, &state); + pwm_apply_might_sleep(pwm, &state); +} + +/** + * pwm_might_sleep() - is pwm_apply_atomic() supported? + * @pwm: PWM device + * + * Returns: false if pwm_apply_atomic() can be called from atomic context. + */ +static inline bool pwm_might_sleep(struct pwm_device *pwm) +{ + return !pwm->chip->atomic; } /* PWM provider APIs */ @@ -406,16 +404,27 @@ struct pwm_device *devm_fwnode_pwm_get(struct device *dev, struct fwnode_handle *fwnode, const char *con_id); #else -static inline int pwm_apply_state(struct pwm_device *pwm, - const struct pwm_state *state) +static inline bool pwm_might_sleep(struct pwm_device *pwm) +{ + return true; +} + +static inline int pwm_apply_might_sleep(struct pwm_device *pwm, + const struct pwm_state *state) { might_sleep(); - return -ENOTSUPP; + return -EOPNOTSUPP; +} + +static inline int pwm_apply_atomic(struct pwm_device *pwm, + const struct pwm_state *state) +{ + return -EOPNOTSUPP; } static inline int pwm_adjust_config(struct pwm_device *pwm) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int pwm_config(struct pwm_device *pwm, int duty_ns, @@ -524,7 +533,14 @@ static inline void pwm_apply_args(struct pwm_device *pwm) state.period = pwm->args.period; state.usage_power = false; - pwm_apply_state(pwm, &state); + pwm_apply_might_sleep(pwm, &state); +} + +/* only for backwards-compatibility, new code should not use this */ +static inline int pwm_apply_state(struct pwm_device *pwm, + const struct pwm_state *state) +{ + return pwm_apply_might_sleep(pwm, state); } struct pwm_lookup { diff --git a/include/linux/rcu_notifier.h b/include/linux/rcu_notifier.h index ebf371364581..5640f024773b 100644 --- a/include/linux/rcu_notifier.h +++ b/include/linux/rcu_notifier.h @@ -13,7 +13,7 @@ #define RCU_STALL_NOTIFY_NORM 1 #define RCU_STALL_NOTIFY_EXP 2 -#ifdef CONFIG_RCU_STALL_COMMON +#if defined(CONFIG_RCU_STALL_COMMON) && defined(CONFIG_RCU_CPU_STALL_NOTIFIER) #include <linux/notifier.h> #include <linux/types.h> @@ -21,12 +21,12 @@ int rcu_stall_chain_notifier_register(struct notifier_block *n); int rcu_stall_chain_notifier_unregister(struct notifier_block *n); -#else // #ifdef CONFIG_RCU_STALL_COMMON +#else // #if defined(CONFIG_RCU_STALL_COMMON) && defined(CONFIG_RCU_CPU_STALL_NOTIFIER) // No RCU CPU stall warnings in Tiny RCU. static inline int rcu_stall_chain_notifier_register(struct notifier_block *n) { return -EEXIST; } static inline int rcu_stall_chain_notifier_unregister(struct notifier_block *n) { return -ENOENT; } -#endif // #else // #ifdef CONFIG_RCU_STALL_COMMON +#endif // #else // #if defined(CONFIG_RCU_STALL_COMMON) && defined(CONFIG_RCU_CPU_STALL_NOTIFIER) #endif /* __LINUX_RCU_NOTIFIER_H */ diff --git a/include/linux/rculist.h b/include/linux/rculist.h index d29740be4833..3dc1e58865f7 100644 --- a/include/linux/rculist.h +++ b/include/linux/rculist.h @@ -355,7 +355,7 @@ static inline void list_splice_tail_init_rcu(struct list_head *list, }) /** - * list_next_or_null_rcu - get the first element from a list + * list_next_or_null_rcu - get the next element from a list * @head: the head for the list. * @ptr: the list head to take the next element from. * @type: the type of the struct this is embedded in. diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index f7206b2623c9..0746b1b0b663 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -34,9 +34,6 @@ #define ULONG_CMP_GE(a, b) (ULONG_MAX / 2 >= (a) - (b)) #define ULONG_CMP_LT(a, b) (ULONG_MAX / 2 < (a) - (b)) -#define ulong2long(a) (*(long *)(&(a))) -#define USHORT_CMP_GE(a, b) (USHRT_MAX / 2 >= (unsigned short)((a) - (b))) -#define USHORT_CMP_LT(a, b) (USHRT_MAX / 2 < (unsigned short)((a) - (b))) /* Exported common interfaces */ void call_rcu(struct rcu_head *head, rcu_callback_t func); @@ -301,6 +298,11 @@ static inline void rcu_lock_acquire(struct lockdep_map *map) lock_acquire(map, 0, 0, 2, 0, NULL, _THIS_IP_); } +static inline void rcu_try_lock_acquire(struct lockdep_map *map) +{ + lock_acquire(map, 0, 1, 2, 0, NULL, _THIS_IP_); +} + static inline void rcu_lock_release(struct lockdep_map *map) { lock_release(map, _THIS_IP_); @@ -315,6 +317,7 @@ int rcu_read_lock_any_held(void); #else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ # define rcu_lock_acquire(a) do { } while (0) +# define rcu_try_lock_acquire(a) do { } while (0) # define rcu_lock_release(a) do { } while (0) static inline int rcu_read_lock_held(void) diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 782e14f62201..fa802db216f9 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -141,6 +141,7 @@ int ring_buffer_iter_empty(struct ring_buffer_iter *iter); bool ring_buffer_iter_dropped(struct ring_buffer_iter *iter); unsigned long ring_buffer_size(struct trace_buffer *buffer, int cpu); +unsigned long ring_buffer_max_event_size(struct trace_buffer *buffer); void ring_buffer_reset_cpu(struct trace_buffer *buffer, int cpu); void ring_buffer_reset_online_cpus(struct trace_buffer *buffer); @@ -191,15 +192,24 @@ bool ring_buffer_time_stamp_abs(struct trace_buffer *buffer); size_t ring_buffer_nr_pages(struct trace_buffer *buffer, int cpu); size_t ring_buffer_nr_dirty_pages(struct trace_buffer *buffer, int cpu); -void *ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu); -void ring_buffer_free_read_page(struct trace_buffer *buffer, int cpu, void *data); -int ring_buffer_read_page(struct trace_buffer *buffer, void **data_page, +struct buffer_data_read_page; +struct buffer_data_read_page * +ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu); +void ring_buffer_free_read_page(struct trace_buffer *buffer, int cpu, + struct buffer_data_read_page *page); +int ring_buffer_read_page(struct trace_buffer *buffer, + struct buffer_data_read_page *data_page, size_t len, int cpu, int full); +void *ring_buffer_read_page_data(struct buffer_data_read_page *page); struct trace_seq; int ring_buffer_print_entry_header(struct trace_seq *s); -int ring_buffer_print_page_header(struct trace_seq *s); +int ring_buffer_print_page_header(struct trace_buffer *buffer, struct trace_seq *s); + +int ring_buffer_subbuf_order_get(struct trace_buffer *buffer); +int ring_buffer_subbuf_order_set(struct trace_buffer *buffer, int order); +int ring_buffer_subbuf_size_get(struct trace_buffer *buffer); enum ring_buffer_flags { RB_FL_OVERWRITE = 1 << 0, diff --git a/include/linux/rtsx_pci.h b/include/linux/rtsx_pci.h index 534038d962e4..4612ef09a0c7 100644 --- a/include/linux/rtsx_pci.h +++ b/include/linux/rtsx_pci.h @@ -60,6 +60,7 @@ #define SD_EXIST (1 << 16) #define DELINK_INT GPIO0_INT #define MS_OC_INT (1 << 23) +#define SD_OVP_INT (1 << 23) #define SD_OC_INT (1 << 22) #define CARD_INT (XD_INT | MS_INT | SD_INT) @@ -80,6 +81,7 @@ #define OC_INT_EN (1 << 23) #define DELINK_INT_EN GPIO0_INT_EN #define MS_OC_INT_EN (1 << 23) +#define SD_OVP_INT_EN (1 << 23) #define SD_OC_INT_EN (1 << 22) #define RTSX_DUM_REG 0x1C @@ -583,6 +585,7 @@ #define OBFF_DISABLE 0x00 #define CDRESUMECTL 0xFE52 +#define CDGW 0xFE53 #define WAKE_SEL_CTL 0xFE54 #define PCLK_CTL 0xFE55 #define PCLK_MODE_SEL 0x20 @@ -764,6 +767,9 @@ #define SD_VIO_LDO_1V8 0x40 #define SD_VIO_LDO_3V3 0x70 +#define RTS5264_AUTOLOAD_CFG2 0xFF7D +#define RTS5264_CHIP_RST_N_SEL (1 << 6) + #define RTS5260_AUTOLOAD_CFG4 0xFF7F #define RTS5260_MIMO_DISABLE 0x8A /*RTS5261*/ @@ -1261,6 +1267,7 @@ struct rtsx_pcr { u8 dma_error_count; u8 ocp_stat; u8 ocp_stat2; + u8 ovp_stat; u8 rtd3_en; }; @@ -1271,6 +1278,7 @@ struct rtsx_pcr { #define PID_5260 0x5260 #define PID_5261 0x5261 #define PID_5228 0x5228 +#define PID_5264 0x5264 #define CHK_PCI_PID(pcr, pid) ((pcr)->pci->device == (pid)) #define PCI_VID(pcr) ((pcr)->pci->vendor) diff --git a/include/linux/sched.h b/include/linux/sched.h index 9a66147915b2..ffe8f618ab86 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -920,7 +920,7 @@ struct task_struct { unsigned sched_rt_mutex:1; #endif - /* Bit to tell LSMs we're in execve(): */ + /* Bit to tell TOMOYO we're in execve(): */ unsigned in_execve:1; unsigned in_iowait:1; #ifndef TIF_RESTORE_SIGMASK @@ -957,7 +957,7 @@ struct task_struct { /* Recursion prevention for eventfd_signal() */ unsigned in_eventfd:1; #endif -#ifdef CONFIG_IOMMU_SVA +#ifdef CONFIG_ARCH_HAS_CPU_PASID unsigned pasid_activated:1; #endif #ifdef CONFIG_CPU_SUP_INTEL diff --git a/include/linux/seq_buf.h b/include/linux/seq_buf.h index 5fb1f12c33f9..c44f4b47b945 100644 --- a/include/linux/seq_buf.h +++ b/include/linux/seq_buf.h @@ -22,9 +22,8 @@ struct seq_buf { }; #define DECLARE_SEQ_BUF(NAME, SIZE) \ - char __ ## NAME ## _buffer[SIZE] = ""; \ struct seq_buf NAME = { \ - .buffer = &__ ## NAME ## _buffer, \ + .buffer = (char[SIZE]) { 0 }, \ .size = SIZE, \ } diff --git a/include/linux/serdev.h b/include/linux/serdev.h index f5f97fa25e8a..3fab88ba265e 100644 --- a/include/linux/serdev.h +++ b/include/linux/serdev.h @@ -27,7 +27,7 @@ struct serdev_device; * not sleep. */ struct serdev_device_ops { - int (*receive_buf)(struct serdev_device *, const unsigned char *, size_t); + ssize_t (*receive_buf)(struct serdev_device *, const u8 *, size_t); void (*write_wakeup)(struct serdev_device *); }; @@ -82,7 +82,7 @@ enum serdev_parity { * serdev controller structures */ struct serdev_controller_ops { - int (*write_buf)(struct serdev_controller *, const unsigned char *, size_t); + ssize_t (*write_buf)(struct serdev_controller *, const u8 *, size_t); void (*write_flush)(struct serdev_controller *); int (*write_room)(struct serdev_controller *); int (*open)(struct serdev_controller *); @@ -99,12 +99,14 @@ struct serdev_controller_ops { /** * struct serdev_controller - interface to the serdev controller * @dev: Driver model representation of the device. + * @host: Serial port hardware controller device * @nr: number identifier for this controller/bus. * @serdev: Pointer to slave device for this controller. * @ops: Controller operations. */ struct serdev_controller { struct device dev; + struct device *host; unsigned int nr; struct serdev_device *serdev; const struct serdev_controller_ops *ops; @@ -167,7 +169,9 @@ struct serdev_device *serdev_device_alloc(struct serdev_controller *); int serdev_device_add(struct serdev_device *); void serdev_device_remove(struct serdev_device *); -struct serdev_controller *serdev_controller_alloc(struct device *, size_t); +struct serdev_controller *serdev_controller_alloc(struct device *host, + struct device *parent, + size_t size); int serdev_controller_add(struct serdev_controller *); void serdev_controller_remove(struct serdev_controller *); @@ -181,9 +185,9 @@ static inline void serdev_controller_write_wakeup(struct serdev_controller *ctrl serdev->ops->write_wakeup(serdev); } -static inline int serdev_controller_receive_buf(struct serdev_controller *ctrl, - const unsigned char *data, - size_t count) +static inline ssize_t serdev_controller_receive_buf(struct serdev_controller *ctrl, + const u8 *data, + size_t count) { struct serdev_device *serdev = ctrl->serdev; @@ -200,13 +204,13 @@ void serdev_device_close(struct serdev_device *); int devm_serdev_device_open(struct device *, struct serdev_device *); unsigned int serdev_device_set_baudrate(struct serdev_device *, unsigned int); void serdev_device_set_flow_control(struct serdev_device *, bool); -int serdev_device_write_buf(struct serdev_device *, const unsigned char *, size_t); +int serdev_device_write_buf(struct serdev_device *, const u8 *, size_t); void serdev_device_wait_until_sent(struct serdev_device *, long); int serdev_device_get_tiocm(struct serdev_device *); int serdev_device_set_tiocm(struct serdev_device *, int, int); int serdev_device_break_ctl(struct serdev_device *serdev, int break_state); void serdev_device_write_wakeup(struct serdev_device *); -int serdev_device_write(struct serdev_device *, const unsigned char *, size_t, long); +ssize_t serdev_device_write(struct serdev_device *, const u8 *, size_t, long); void serdev_device_write_flush(struct serdev_device *); int serdev_device_write_room(struct serdev_device *); @@ -244,7 +248,7 @@ static inline unsigned int serdev_device_set_baudrate(struct serdev_device *sdev } static inline void serdev_device_set_flow_control(struct serdev_device *sdev, bool enable) {} static inline int serdev_device_write_buf(struct serdev_device *serdev, - const unsigned char *buf, + const u8 *buf, size_t count) { return -ENODEV; @@ -262,8 +266,9 @@ static inline int serdev_device_break_ctl(struct serdev_device *serdev, int brea { return -EOPNOTSUPP; } -static inline int serdev_device_write(struct serdev_device *sdev, const unsigned char *buf, - size_t count, unsigned long timeout) +static inline ssize_t serdev_device_write(struct serdev_device *sdev, + const u8 *buf, size_t count, + unsigned long timeout) { return -ENODEV; } @@ -311,11 +316,13 @@ struct tty_driver; #ifdef CONFIG_SERIAL_DEV_CTRL_TTYPORT struct device *serdev_tty_port_register(struct tty_port *port, + struct device *host, struct device *parent, struct tty_driver *drv, int idx); int serdev_tty_port_unregister(struct tty_port *port); #else static inline struct device *serdev_tty_port_register(struct tty_port *port, + struct device *host, struct device *parent, struct tty_driver *drv, int idx) { diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 89f7b6c63598..536b2581d3e2 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -852,9 +852,9 @@ static inline unsigned long uart_fifo_timeout(struct uart_port *port) } /* Base timer interval for polling */ -static inline int uart_poll_timeout(struct uart_port *port) +static inline unsigned long uart_poll_timeout(struct uart_port *port) { - int timeout = uart_fifo_timeout(port); + unsigned long timeout = uart_fifo_timeout(port); return timeout > 6 ? (timeout / 2 - 2) : 1; } diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index a5ae952454c8..2dde34c29203 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -295,7 +295,7 @@ struct nf_bridge_info { u8 bridged_dnat:1; u8 sabotage_in_done:1; __u16 frag_max_size; - struct net_device *physindev; + int physinif; /* always valid & non-NULL from FORWARD on, for physdev match */ struct net_device *physoutdev; diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index 888a4b217829..e65ec3fd2799 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -505,12 +505,6 @@ static inline bool sk_psock_strp_enabled(struct sk_psock *psock) return !!psock->saved_data_ready; } -static inline bool sk_is_udp(const struct sock *sk) -{ - return sk->sk_type == SOCK_DGRAM && - sk->sk_protocol == IPPROTO_UDP; -} - #if IS_ENABLED(CONFIG_NET_SOCK_MSG) #define BPF_F_STRPARSER (1UL << 1) diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 4f3d14bb1538..66f814b63a43 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -886,7 +886,8 @@ struct sdw_master_ops { * struct sdw_bus - SoundWire bus * @dev: Shortcut to &bus->md->dev to avoid changing the entire code. * @md: Master device - * @link_id: Link id number, can be 0 to N, unique for each Master + * @controller_id: system-unique controller ID. If set to -1, the bus @id will be used. + * @link_id: Link id number, can be 0 to N, unique for each Controller * @id: bus system-wide unique id * @slaves: list of Slaves on this bus * @assigned: Bitmap for Slave device numbers. @@ -918,6 +919,7 @@ struct sdw_master_ops { struct sdw_bus { struct device *dev; struct sdw_master_device *md; + int controller_id; unsigned int link_id; int id; struct list_head slaves; @@ -1040,7 +1042,7 @@ int sdw_compute_params(struct sdw_bus *bus); int sdw_stream_add_master(struct sdw_bus *bus, struct sdw_stream_config *stream_config, - struct sdw_port_config *port_config, + const struct sdw_port_config *port_config, unsigned int num_ports, struct sdw_stream_runtime *stream); int sdw_stream_remove_master(struct sdw_bus *bus, @@ -1062,7 +1064,7 @@ void sdw_extract_slave_id(struct sdw_bus *bus, u64 addr, struct sdw_slave_id *id int sdw_stream_add_slave(struct sdw_slave *slave, struct sdw_stream_config *stream_config, - struct sdw_port_config *port_config, + const struct sdw_port_config *port_config, unsigned int num_ports, struct sdw_stream_runtime *stream); int sdw_stream_remove_slave(struct sdw_slave *slave, @@ -1084,7 +1086,7 @@ int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val); static inline int sdw_stream_add_slave(struct sdw_slave *slave, struct sdw_stream_config *stream_config, - struct sdw_port_config *port_config, + const struct sdw_port_config *port_config, unsigned int num_ports, struct sdw_stream_runtime *stream) { diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 471fe2ff9066..600fbd5daf68 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -21,7 +21,7 @@ #include <uapi/linux/spi/spi.h> /* Max no. of CS supported per spi device */ -#define SPI_CS_CNT_MAX 4 +#define SPI_CS_CNT_MAX 16 struct dma_chan; struct software_node; diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index eaac8b0da25b..3fcd20de6ca8 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -449,6 +449,12 @@ static __always_inline int spin_is_contended(spinlock_t *lock) return raw_spin_is_contended(&lock->rlock); } +#define assert_spin_locked(lock) assert_raw_spin_locked(&(lock)->rlock) + +#else /* !CONFIG_PREEMPT_RT */ +# include <linux/spinlock_rt.h> +#endif /* CONFIG_PREEMPT_RT */ + /* * Does a critical section need to be broken due to another * task waiting?: (technically does not depend on CONFIG_PREEMPTION, @@ -480,12 +486,6 @@ static inline int rwlock_needbreak(rwlock_t *lock) #endif } -#define assert_spin_locked(lock) assert_raw_spin_locked(&(lock)->rlock) - -#else /* !CONFIG_PREEMPT_RT */ -# include <linux/spinlock_rt.h> -#endif /* CONFIG_PREEMPT_RT */ - /* * Pull the atomic_t declaration: * (asm-mips/atomic.h needs above definitions) diff --git a/include/linux/spmi.h b/include/linux/spmi.h index 2a4ce4144f9f..28e8c8bd3944 100644 --- a/include/linux/spmi.h +++ b/include/linux/spmi.h @@ -120,6 +120,9 @@ static inline void spmi_controller_put(struct spmi_controller *ctrl) int spmi_controller_add(struct spmi_controller *ctrl); void spmi_controller_remove(struct spmi_controller *ctrl); +struct spmi_controller *devm_spmi_controller_alloc(struct device *parent, size_t size); +int devm_spmi_controller_add(struct device *parent, struct spmi_controller *ctrl); + /** * struct spmi_driver - SPMI slave device driver * @driver: SPMI device drivers should initialize name and owner field of diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 127ef3b2e607..236610e4a8fa 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -229,7 +229,7 @@ static inline int srcu_read_lock_nmisafe(struct srcu_struct *ssp) __acquires(ssp srcu_check_nmi_safety(ssp, true); retval = __srcu_read_lock_nmisafe(ssp); - rcu_lock_acquire(&ssp->dep_map); + rcu_try_lock_acquire(&ssp->dep_map); return retval; } diff --git a/include/linux/string.h b/include/linux/string.h index ce137830a0b9..ab148d8dbfc1 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -66,9 +66,6 @@ extern char * strcpy(char *,const char *); #ifndef __HAVE_ARCH_STRNCPY extern char * strncpy(char *,const char *, __kernel_size_t); #endif -#ifndef __HAVE_ARCH_STRLCPY -size_t strlcpy(char *, const char *, size_t); -#endif #ifndef __HAVE_ARCH_STRSCPY ssize_t strscpy(char *, const char *, size_t); #endif diff --git a/include/linux/surface_aggregator/device.h b/include/linux/surface_aggregator/device.h index 42b249b4c24b..8cd8c38cf3f3 100644 --- a/include/linux/surface_aggregator/device.h +++ b/include/linux/surface_aggregator/device.h @@ -193,7 +193,6 @@ struct ssam_device_driver { #ifdef CONFIG_SURFACE_AGGREGATOR_BUS -extern struct bus_type ssam_bus_type; extern const struct device_type ssam_device_type; /** diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 5c0dbef55792..77eb9b0e7685 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -128,6 +128,7 @@ struct mnt_id_req; #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL)) #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a #define __SC_CAST(t, a) (__force t) a +#define __SC_TYPE(t, a) t #define __SC_ARGS(t, a) a #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long)) @@ -414,7 +415,7 @@ asmlinkage long sys_statmount(const struct mnt_id_req __user *req, struct statmount __user *buf, size_t bufsize, unsigned int flags); asmlinkage long sys_listmount(const struct mnt_id_req __user *req, - u64 __user *buf, size_t bufsize, + u64 __user *mnt_ids, size_t nr_mnt_ids, unsigned int flags); asmlinkage long sys_truncate(const char __user *path, long length); asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length); diff --git a/include/linux/thermal.h b/include/linux/thermal.h index bf84595a4e86..b7a3deb372fd 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -32,6 +32,7 @@ struct thermal_zone_device; struct thermal_cooling_device; struct thermal_instance; +struct thermal_debugfs; struct thermal_attr; enum thermal_trend { @@ -102,7 +103,7 @@ struct thermal_cooling_device_ops { struct thermal_cooling_device { int id; - char *type; + const char *type; unsigned long max_state; struct device device; struct device_node *np; @@ -113,6 +114,9 @@ struct thermal_cooling_device { struct mutex lock; /* protect thermal_instances list */ struct list_head thermal_instances; struct list_head node; +#ifdef CONFIG_THERMAL_DEBUGFS + struct thermal_debugfs *debugfs; +#endif }; /** @@ -189,6 +193,9 @@ struct thermal_zone_device { struct list_head node; struct delayed_work poll_queue; enum thermal_notify_event notify_event; +#ifdef CONFIG_THERMAL_DEBUGFS + struct thermal_debugfs *debugfs; +#endif bool suspended; }; diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h index 6151c210d987..2c835e5c41f6 100644 --- a/include/linux/thunderbolt.h +++ b/include/linux/thunderbolt.h @@ -86,7 +86,7 @@ struct tb { unsigned long privdata[]; }; -extern struct bus_type tb_bus_type; +extern const struct bus_type tb_bus_type; extern struct device_type tb_service_type; extern struct device_type tb_xdomain_type; diff --git a/include/linux/trace.h b/include/linux/trace.h index 2a70a447184c..fdcd76b7be83 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -51,7 +51,7 @@ int trace_array_printk(struct trace_array *tr, unsigned long ip, const char *fmt, ...); int trace_array_init_printk(struct trace_array *tr); void trace_array_put(struct trace_array *tr); -struct trace_array *trace_array_get_by_name(const char *name); +struct trace_array *trace_array_get_by_name(const char *name, const char *systems); int trace_array_destroy(struct trace_array *tr); /* For osnoise tracer */ @@ -84,7 +84,7 @@ static inline int trace_array_init_printk(struct trace_array *tr) static inline void trace_array_put(struct trace_array *tr) { } -static inline struct trace_array *trace_array_get_by_name(const char *name) +static inline struct trace_array *trace_array_get_by_name(const char *name, const char *systems) { return NULL; } diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h index 3691e0e76a1a..9ec229dfddaa 100644 --- a/include/linux/trace_seq.h +++ b/include/linux/trace_seq.h @@ -8,11 +8,14 @@ /* * Trace sequences are used to allow a function to call several other functions - * to create a string of data to use (up to a max of PAGE_SIZE). + * to create a string of data to use. */ +#define TRACE_SEQ_BUFFER_SIZE (PAGE_SIZE * 2 - \ + (sizeof(struct seq_buf) + sizeof(size_t) + sizeof(int))) + struct trace_seq { - char buffer[PAGE_SIZE]; + char buffer[TRACE_SEQ_BUFFER_SIZE]; struct seq_buf seq; size_t readpos; int full; @@ -21,7 +24,7 @@ struct trace_seq { static inline void trace_seq_init(struct trace_seq *s) { - seq_buf_init(&s->seq, s->buffer, PAGE_SIZE); + seq_buf_init(&s->seq, s->buffer, TRACE_SEQ_BUFFER_SIZE); s->full = 0; s->readpos = 0; } diff --git a/include/linux/tty.h b/include/linux/tty.h index 4b6340ac2af2..8c76fd97d4ad 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -242,7 +242,7 @@ struct tty_struct { void *driver_data; spinlock_t files_lock; int write_cnt; - unsigned char *write_buf; + u8 *write_buf; struct list_head tty_files; @@ -393,8 +393,10 @@ extern const struct class tty_class; * tty_kref_get - get a tty reference * @tty: tty device * - * Returns: a new reference to a tty object. The caller must hold sufficient - * locks/counts to ensure that their existing reference cannot go away + * Returns: a new reference to a tty object + * + * Locking: The caller must hold sufficient locks/counts to ensure that their + * existing reference cannot go away. */ static inline struct tty_struct *tty_kref_get(struct tty_struct *tty) { @@ -408,8 +410,8 @@ void tty_wait_until_sent(struct tty_struct *tty, long timeout); void stop_tty(struct tty_struct *tty); void start_tty(struct tty_struct *tty); void tty_write_message(struct tty_struct *tty, char *msg); -int tty_send_xchar(struct tty_struct *tty, char ch); -int tty_put_char(struct tty_struct *tty, unsigned char c); +int tty_send_xchar(struct tty_struct *tty, u8 ch); +int tty_put_char(struct tty_struct *tty, u8 c); unsigned int tty_chars_in_buffer(struct tty_struct *tty); unsigned int tty_write_room(struct tty_struct *tty); void tty_driver_flush_buffer(struct tty_struct *tty); @@ -419,6 +421,7 @@ bool tty_unthrottle_safe(struct tty_struct *tty); int tty_do_resize(struct tty_struct *tty, struct winsize *ws); int tty_get_icount(struct tty_struct *tty, struct serial_icounter_struct *icount); +int tty_get_tiocm(struct tty_struct *tty); int is_current_pgrp_orphaned(void); void tty_hangup(struct tty_struct *tty); void tty_vhangup(struct tty_struct *tty); @@ -436,12 +439,11 @@ void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, * tty_get_baud_rate - get tty bit rates * @tty: tty to query * - * Returns: the baud rate as an integer for this terminal. The termios lock - * must be held by the caller and the terminal bit flags may be updated. + * Returns: the baud rate as an integer for this terminal * - * Locking: none + * Locking: The termios lock must be held by the caller. */ -static inline speed_t tty_get_baud_rate(struct tty_struct *tty) +static inline speed_t tty_get_baud_rate(const struct tty_struct *tty) { return tty_termios_baud_rate(&tty->termios); } diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 18beff0cec1a..7372124fbf90 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -72,8 +72,7 @@ struct serial_struct; * is closed for the last time freeing up the resources. This is * actually the second part of shutdown for routines that might sleep. * - * @write: ``ssize_t ()(struct tty_struct *tty, const unsigned char *buf, - * size_t count)`` + * @write: ``ssize_t ()(struct tty_struct *tty, const u8 *buf, size_t count)`` * * This routine is called by the kernel to write a series (@count) of * characters (@buf) to the @tty device. The characters may come from @@ -85,7 +84,7 @@ struct serial_struct; * * Optional: Required for writable devices. May not sleep. * - * @put_char: ``int ()(struct tty_struct *tty, unsigned char ch)`` + * @put_char: ``int ()(struct tty_struct *tty, u8 ch)`` * * This routine is called by the kernel to write a single character @ch to * the @tty device. If the kernel uses this routine, it must call the @@ -243,7 +242,7 @@ struct serial_struct; * Optional: If not provided, the device is assumed to have no FIFO. * Usually correct to invoke via tty_wait_until_sent(). May sleep. * - * @send_xchar: ``void ()(struct tty_struct *tty, char ch)`` + * @send_xchar: ``void ()(struct tty_struct *tty, u8 ch)`` * * This routine is used to send a high-priority XON/XOFF character (@ch) * to the @tty device. @@ -375,7 +374,7 @@ struct tty_operations { void (*flush_buffer)(struct tty_struct *tty); void (*set_ldisc)(struct tty_struct *tty); void (*wait_until_sent)(struct tty_struct *tty, int timeout); - void (*send_xchar)(struct tty_struct *tty, char ch); + void (*send_xchar)(struct tty_struct *tty, u8 ch); int (*tiocmget)(struct tty_struct *tty); int (*tiocmset)(struct tty_struct *tty, unsigned int set, unsigned int clear); diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h index 6b367eb17979..1b861f2100b6 100644 --- a/include/linux/tty_port.h +++ b/include/linux/tty_port.h @@ -114,8 +114,8 @@ struct tty_port { unsigned char console:1; struct mutex mutex; struct mutex buf_mutex; - unsigned char *xmit_buf; - DECLARE_KFIFO_PTR(xmit_fifo, unsigned char); + u8 *xmit_buf; + DECLARE_KFIFO_PTR(xmit_fifo, u8); unsigned int close_delay; unsigned int closing_wait; int drain_delay; @@ -149,10 +149,10 @@ struct device *tty_port_register_device_attr(struct tty_port *port, const struct attribute_group **attr_grp); struct device *tty_port_register_device_serdev(struct tty_port *port, struct tty_driver *driver, unsigned index, - struct device *device); + struct device *host, struct device *parent); struct device *tty_port_register_device_attr_serdev(struct tty_port *port, struct tty_driver *driver, unsigned index, - struct device *device, void *drvdata, + struct device *host, struct device *parent, void *drvdata, const struct attribute_group **attr_grp); void tty_port_unregister_device(struct tty_port *port, struct tty_driver *driver, unsigned index); diff --git a/include/linux/usb.h b/include/linux/usb.h index 8c61643acd49..9e52179872a5 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -632,7 +632,6 @@ struct usb3_lpm_parameters { * @reset_resume: needs reset instead of resume * @port_is_suspended: the upstream port is suspended (L2 or U3) * @slot_id: Slot ID assigned by xHCI - * @removable: Device can be physically removed from this port * @l1_params: best effor service latency for USB2 L1 LPM state, and L1 timeout. * @u1_params: exit latencies for USB3 U1 LPM state, and hub-initiated timeout. * @u2_params: exit latencies for USB3 U2 LPM state, and hub-initiated timeout. @@ -1145,16 +1144,6 @@ extern ssize_t usb_store_new_id(struct usb_dynids *dynids, extern ssize_t usb_show_dynids(struct usb_dynids *dynids, char *buf); /** - * struct usbdrv_wrap - wrapper for driver-model structure - * @driver: The driver-model core driver structure. - * @for_devices: Non-zero for device drivers, 0 for interface drivers. - */ -struct usbdrv_wrap { - struct device_driver driver; - int for_devices; -}; - -/** * struct usb_driver - identifies USB interface driver to usbcore * @name: The driver name should be unique among USB drivers, * and should normally be the same as the module name. @@ -1194,7 +1183,7 @@ struct usbdrv_wrap { * is bound to the driver. * @dynids: used internally to hold the list of dynamically added device * ids for this driver. - * @drvwrap: Driver-model core structure wrapper. + * @driver: The driver-model core driver structure. * @no_dynamic_id: if set to 1, the USB core will not allow dynamic ids to be * added to this driver by preventing the sysfs file from being created. * @supports_autosuspend: if set to 0, the USB core will not allow autosuspend @@ -1242,13 +1231,13 @@ struct usb_driver { const struct attribute_group **dev_groups; struct usb_dynids dynids; - struct usbdrv_wrap drvwrap; + struct device_driver driver; unsigned int no_dynamic_id:1; unsigned int supports_autosuspend:1; unsigned int disable_hub_initiated_lpm:1; unsigned int soft_unbind:1; }; -#define to_usb_driver(d) container_of(d, struct usb_driver, drvwrap.driver) +#define to_usb_driver(d) container_of(d, struct usb_driver, driver) /** * struct usb_device_driver - identifies USB device driver to usbcore @@ -1264,9 +1253,12 @@ struct usb_driver { * module is being unloaded. * @suspend: Called when the device is going to be suspended by the system. * @resume: Called when the device is being resumed by the system. + * @choose_configuration: If non-NULL, called instead of the default + * usb_choose_configuration(). If this returns an error then we'll go + * on to call the normal usb_choose_configuration(). * @dev_groups: Attributes attached to the device that will be created once it * is bound to the driver. - * @drvwrap: Driver-model core structure wrapper. + * @driver: The driver-model core driver structure. * @id_table: used with @match() to select better matching driver at * probe() time. * @supports_autosuspend: if set to 0, the USB core will not allow autosuspend @@ -1275,7 +1267,7 @@ struct usb_driver { * resume and suspend functions will be called in addition to the driver's * own, so this part of the setup does not need to be replicated. * - * USB drivers must provide all the fields listed above except drvwrap, + * USB drivers must provide all the fields listed above except driver, * match, and id_table. */ struct usb_device_driver { @@ -1287,14 +1279,17 @@ struct usb_device_driver { int (*suspend) (struct usb_device *udev, pm_message_t message); int (*resume) (struct usb_device *udev, pm_message_t message); + + int (*choose_configuration) (struct usb_device *udev); + const struct attribute_group **dev_groups; - struct usbdrv_wrap drvwrap; + struct device_driver driver; const struct usb_device_id *id_table; unsigned int supports_autosuspend:1; unsigned int generic_subclass:1; }; #define to_usb_device_driver(d) container_of(d, struct usb_device_driver, \ - drvwrap.driver) + driver) /** * struct usb_class_driver - identifies a USB driver that wants to use the USB major number diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 6532beb587b1..a771ccc038ac 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -236,6 +236,7 @@ struct usb_ep { unsigned max_streams:16; unsigned mult:2; unsigned maxburst:5; + unsigned fifo_mode:1; u8 address; const struct usb_endpoint_descriptor *desc; const struct usb_ss_ep_comp_descriptor *comp_desc; diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 00724b4f6e12..cd77fc6095a1 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -372,8 +372,9 @@ struct hc_driver { * or bandwidth constraints. */ void (*reset_bandwidth)(struct usb_hcd *, struct usb_device *); - /* Returns the hardware-chosen device address */ - int (*address_device)(struct usb_hcd *, struct usb_device *udev); + /* Set the hardware-chosen device address */ + int (*address_device)(struct usb_hcd *, struct usb_device *udev, + unsigned int timeout_ms); /* prepares the hardware to send commands to the device */ int (*enable_device)(struct usb_hcd *, struct usb_device *udev); /* Notifies the HCD after a hub descriptor is fetched. diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index eeb7c2157c72..59409c1fc3de 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -72,4 +72,7 @@ /* device has endpoints that should be ignored */ #define USB_QUIRK_ENDPOINT_IGNORE BIT(15) +/* short SET_ADDRESS request timeout */ +#define USB_QUIRK_SHORT_SET_ADDRESS_REQ_TIMEOUT BIT(16) + #endif /* __LINUX_USB_QUIRKS_H */ diff --git a/include/linux/usb/tcpci.h b/include/linux/usb/tcpci.h index 83376473ac76..467e8045e9f8 100644 --- a/include/linux/usb/tcpci.h +++ b/include/linux/usb/tcpci.h @@ -36,7 +36,9 @@ #define TCPC_ALERT_MASK 0x12 #define TCPC_POWER_STATUS_MASK 0x14 -#define TCPC_FAULT_STATUS_MASK 0x15 + +#define TCPC_FAULT_STATUS_MASK 0x15 +#define TCPC_FAULT_STATUS_MASK_VCONN_OC BIT(1) #define TCPC_EXTENDED_STATUS_MASK 0x16 #define TCPC_EXTENDED_STATUS_MASK_VSAFE0V BIT(0) @@ -104,6 +106,7 @@ #define TCPC_FAULT_STATUS 0x1f #define TCPC_FAULT_STATUS_ALL_REG_RST_TO_DEFAULT BIT(7) +#define TCPC_FAULT_STATUS_VCONN_OC BIT(1) #define TCPC_ALERT_EXTENDED 0x21 diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h index ab7ca872950b..65fac5e1f317 100644 --- a/include/linux/usb/tcpm.h +++ b/include/linux/usb/tcpm.h @@ -173,5 +173,6 @@ 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); +void tcpm_port_error_recovery(struct tcpm_port *port); #endif /* __LINUX_USB_TCPM_H */ diff --git a/include/linux/vfio.h b/include/linux/vfio.h index a65b2513f8cd..89b265bc6ec3 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -69,6 +69,13 @@ struct vfio_device { u8 iommufd_attached:1; #endif u8 cdev_opened:1; +#ifdef CONFIG_DEBUG_FS + /* + * debug_root is a static property of the vfio_device + * which must be set prior to registering the vfio_device. + */ + struct dentry *debug_root; +#endif }; /** diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h index 562e8754869d..85e84b92751b 100644 --- a/include/linux/vfio_pci_core.h +++ b/include/linux/vfio_pci_core.h @@ -127,7 +127,27 @@ int vfio_pci_core_match(struct vfio_device *core_vdev, char *buf); int vfio_pci_core_enable(struct vfio_pci_core_device *vdev); void vfio_pci_core_disable(struct vfio_pci_core_device *vdev); void vfio_pci_core_finish_enable(struct vfio_pci_core_device *vdev); +int vfio_pci_core_setup_barmap(struct vfio_pci_core_device *vdev, int bar); pci_ers_result_t vfio_pci_core_aer_err_detected(struct pci_dev *pdev, pci_channel_state_t state); +#define VFIO_IOWRITE_DECLATION(size) \ +int vfio_pci_core_iowrite##size(struct vfio_pci_core_device *vdev, \ + bool test_mem, u##size val, void __iomem *io); + +VFIO_IOWRITE_DECLATION(8) +VFIO_IOWRITE_DECLATION(16) +VFIO_IOWRITE_DECLATION(32) +#ifdef iowrite64 +VFIO_IOWRITE_DECLATION(64) +#endif + +#define VFIO_IOREAD_DECLATION(size) \ +int vfio_pci_core_ioread##size(struct vfio_pci_core_device *vdev, \ + bool test_mem, u##size *val, void __iomem *io); + +VFIO_IOREAD_DECLATION(8) +VFIO_IOREAD_DECLATION(16) +VFIO_IOREAD_DECLATION(32) + #endif /* VFIO_PCI_CORE_H */ diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 4cc614a38376..b0201747a263 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -103,6 +103,14 @@ int virtqueue_resize(struct virtqueue *vq, u32 num, int virtqueue_reset(struct virtqueue *vq, void (*recycle)(struct virtqueue *vq, void *buf)); +struct virtio_admin_cmd { + __le16 opcode; + __le16 group_type; + __le64 group_member_id; + struct scatterlist *data_sg; + struct scatterlist *result_sg; +}; + /** * struct virtio_device - representation of a device using virtio * @index: unique position on the virtio bus diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 2b3438de2c4d..da9b271b54db 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -93,6 +93,8 @@ typedef void vq_callback_t(struct virtqueue *); * Returns 0 on success or error status * If disable_vq_and_reset is set, then enable_vq_after_reset must also be * set. + * @create_avq: create admin virtqueue resource. + * @destroy_avq: destroy admin virtqueue resource. */ struct virtio_config_ops { void (*get)(struct virtio_device *vdev, unsigned offset, @@ -120,6 +122,8 @@ struct virtio_config_ops { struct virtio_shm_region *region, u8 id); int (*disable_vq_and_reset)(struct virtqueue *vq); int (*enable_vq_after_reset)(struct virtqueue *vq); + int (*create_avq)(struct virtio_device *vdev); + void (*destroy_avq)(struct virtio_device *vdev); }; /* If driver didn't advertise the feature, it will never appear. */ diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h deleted file mode 100644 index d2e2785af602..000000000000 --- a/include/linux/virtio_console.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so - * anyone can use the definitions to implement compatible drivers/servers: - * - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of IBM nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * Copyright (C) Red Hat, Inc., 2009, 2010, 2011 - * Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011 - */ -#ifndef _LINUX_VIRTIO_CONSOLE_H -#define _LINUX_VIRTIO_CONSOLE_H - -#include <uapi/linux/virtio_console.h> - -int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int)); -#endif /* _LINUX_VIRTIO_CONSOLE_H */ diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index 27cc1d464321..4dfa9b69ca8d 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -3,6 +3,8 @@ #define _LINUX_VIRTIO_NET_H #include <linux/if_vlan.h> +#include <linux/ip.h> +#include <linux/ipv6.h> #include <linux/udp.h> #include <uapi/linux/tcp.h> #include <uapi/linux/virtio_net.h> @@ -49,6 +51,7 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, const struct virtio_net_hdr *hdr, bool little_endian) { + unsigned int nh_min_len = sizeof(struct iphdr); unsigned int gso_type = 0; unsigned int thlen = 0; unsigned int p_off = 0; @@ -65,6 +68,7 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, gso_type = SKB_GSO_TCPV6; ip_proto = IPPROTO_TCP; thlen = sizeof(struct tcphdr); + nh_min_len = sizeof(struct ipv6hdr); break; case VIRTIO_NET_HDR_GSO_UDP: gso_type = SKB_GSO_UDP; @@ -100,7 +104,8 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, if (!skb_partial_csum_set(skb, start, off)) return -EINVAL; - p_off = skb_transport_offset(skb) + thlen; + nh_min_len = max_t(u32, nh_min_len, skb_transport_offset(skb)); + p_off = nh_min_len + thlen; if (!pskb_may_pull(skb, p_off)) return -EINVAL; } else { @@ -140,7 +145,7 @@ retry: skb_set_transport_header(skb, keys.control.thoff); } else if (gso_type) { - p_off = thlen; + p_off = nh_min_len + thlen; if (!pskb_may_pull(skb, p_off)) return -EINVAL; } diff --git a/include/linux/virtio_pci_admin.h b/include/linux/virtio_pci_admin.h new file mode 100644 index 000000000000..f4a100a0fe2e --- /dev/null +++ b/include/linux/virtio_pci_admin.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_VIRTIO_PCI_ADMIN_H +#define _LINUX_VIRTIO_PCI_ADMIN_H + +#include <linux/types.h> +#include <linux/pci.h> + +#ifdef CONFIG_VIRTIO_PCI_ADMIN_LEGACY +bool virtio_pci_admin_has_legacy_io(struct pci_dev *pdev); +int virtio_pci_admin_legacy_common_io_write(struct pci_dev *pdev, u8 offset, + u8 size, u8 *buf); +int virtio_pci_admin_legacy_common_io_read(struct pci_dev *pdev, u8 offset, + u8 size, u8 *buf); +int virtio_pci_admin_legacy_device_io_write(struct pci_dev *pdev, u8 offset, + u8 size, u8 *buf); +int virtio_pci_admin_legacy_device_io_read(struct pci_dev *pdev, u8 offset, + u8 size, u8 *buf); +int virtio_pci_admin_legacy_io_notify_info(struct pci_dev *pdev, + u8 req_bar_flags, u8 *bar, + u64 *bar_offset); +#endif + +#endif /* _LINUX_VIRTIO_PCI_ADMIN_H */ diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h index a09e13a577a9..c0b1b1ca1163 100644 --- a/include/linux/virtio_pci_modern.h +++ b/include/linux/virtio_pci_modern.h @@ -125,4 +125,6 @@ int vp_modern_probe(struct virtio_pci_modern_device *mdev); void vp_modern_remove(struct virtio_pci_modern_device *mdev); int vp_modern_get_queue_reset(struct virtio_pci_modern_device *mdev, u16 index); void vp_modern_set_queue_reset(struct virtio_pci_modern_device *mdev, u16 index); +u16 vp_modern_avq_num(struct virtio_pci_modern_device *mdev); +u16 vp_modern_avq_index(struct virtio_pci_modern_device *mdev); #endif diff --git a/include/linux/w1-gpio.h b/include/linux/w1-gpio.h deleted file mode 100644 index 3495fd0dc790..000000000000 --- a/include/linux/w1-gpio.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * w1-gpio interface to platform code - * - * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi> - */ -#ifndef _LINUX_W1_GPIO_H -#define _LINUX_W1_GPIO_H - -struct gpio_desc; - -/** - * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio - */ -struct w1_gpio_platform_data { - struct gpio_desc *gpiod; - struct gpio_desc *pullup_gpiod; - void (*enable_external_pullup)(int enable); - unsigned int pullup_duration; -}; - -#endif /* _LINUX_W1_GPIO_H */ diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 6d0a14f7019d..453736fd1d23 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -60,7 +60,7 @@ struct writeback_control { unsigned for_reclaim:1; /* Invoked from the page allocator */ unsigned range_cyclic:1; /* range_start is cyclic */ unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */ - unsigned unpinned_fscache_wb:1; /* Cleared I_PINNING_FSCACHE_WB */ + unsigned unpinned_netfs_wb:1; /* Cleared I_PINNING_NETFS_WB */ /* * When writeback IOs are bounced through async layers, only the |