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-rw-r--r--include/linux/mlx4/device.h3
-rw-r--r--include/linux/mlx4/driver.h1
-rw-r--r--include/linux/mlx5/device.h11
-rw-r--r--include/linux/mlx5/driver.h1
-rw-r--r--include/linux/sunrpc/svc_rdma.h1
-rw-r--r--include/net/addrconf.h31
-rw-r--r--include/net/bonding.h7
-rw-r--r--include/rdma/ib_cm.h25
-rw-r--r--include/rdma/ib_mad.h82
-rw-r--r--include/rdma/ib_pack.h2
-rw-r--r--include/rdma/ib_smi.h47
-rw-r--r--include/rdma/ib_verbs.h203
-rw-r--r--include/rdma/opa_port_info.h433
-rw-r--r--include/rdma/opa_smi.h47
-rw-r--r--include/rdma/rdma_netlink.h7
-rw-r--r--include/uapi/rdma/Kbuild1
-rw-r--r--include/uapi/rdma/hfi/Kbuild2
-rw-r--r--include/uapi/rdma/hfi/hfi1_user.h427
-rw-r--r--include/uapi/rdma/rdma_netlink.h82
19 files changed, 1312 insertions, 101 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index bcbf8c72a77b..baad4cb8e9b0 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -79,7 +79,8 @@ enum {
enum {
MLX4_MAX_PORTS = 2,
- MLX4_MAX_PORT_PKEYS = 128
+ MLX4_MAX_PORT_PKEYS = 128,
+ MLX4_MAX_PORT_GIDS = 128
};
/* base qkey for use in sriov tunnel-qp/proxy-qp communication.
diff --git a/include/linux/mlx4/driver.h b/include/linux/mlx4/driver.h
index 9553a73d2049..5a06d969338e 100644
--- a/include/linux/mlx4/driver.h
+++ b/include/linux/mlx4/driver.h
@@ -59,6 +59,7 @@ struct mlx4_interface {
void (*event) (struct mlx4_dev *dev, void *context,
enum mlx4_dev_event event, unsigned long param);
void * (*get_dev)(struct mlx4_dev *dev, void *context, u8 port);
+ void (*activate)(struct mlx4_dev *dev, void *context);
struct list_head list;
enum mlx4_protocol protocol;
int flags;
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 250b1ff8b48d..8eb3b19af2a4 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -402,6 +402,17 @@ struct mlx5_cmd_teardown_hca_mbox_out {
u8 rsvd[8];
};
+struct mlx5_cmd_query_special_contexts_mbox_in {
+ struct mlx5_inbox_hdr hdr;
+ u8 rsvd[8];
+};
+
+struct mlx5_cmd_query_special_contexts_mbox_out {
+ struct mlx5_outbox_hdr hdr;
+ __be32 dump_fill_mkey;
+ __be32 resd_lkey;
+};
+
struct mlx5_cmd_layout {
u8 type;
u8 rsvd0[3];
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 8b6d6f2154a4..27b53f9a24ad 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -845,6 +845,7 @@ void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
int mlx5_register_interface(struct mlx5_interface *intf);
void mlx5_unregister_interface(struct mlx5_interface *intf);
int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
+int mlx5_core_query_special_context(struct mlx5_core_dev *dev, u32 *rsvd_lkey);
struct mlx5_profile {
u64 mask;
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index d5ee6d8b7c58..7ccc961f33e9 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -132,6 +132,7 @@ struct svcxprt_rdma {
struct list_head sc_accept_q; /* Conn. waiting accept */
int sc_ord; /* RDMA read limit */
int sc_max_sge;
+ int sc_max_sge_rd; /* max sge for read target */
int sc_sq_depth; /* Depth of SQ */
atomic_t sc_sq_count; /* Number of SQ WR on queue */
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 0c3ac5acb85f..b5474b1fcd83 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -91,6 +91,37 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2);
void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr);
void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr);
+static inline int addrconf_ifid_eui48(u8 *eui, struct net_device *dev)
+{
+ if (dev->addr_len != ETH_ALEN)
+ return -1;
+ memcpy(eui, dev->dev_addr, 3);
+ memcpy(eui + 5, dev->dev_addr + 3, 3);
+
+ /*
+ * The zSeries OSA network cards can be shared among various
+ * OS instances, but the OSA cards have only one MAC address.
+ * This leads to duplicate address conflicts in conjunction
+ * with IPv6 if more than one instance uses the same card.
+ *
+ * The driver for these cards can deliver a unique 16-bit
+ * identifier for each instance sharing the same card. It is
+ * placed instead of 0xFFFE in the interface identifier. The
+ * "u" bit of the interface identifier is not inverted in this
+ * case. Hence the resulting interface identifier has local
+ * scope according to RFC2373.
+ */
+ if (dev->dev_id) {
+ eui[3] = (dev->dev_id >> 8) & 0xFF;
+ eui[4] = dev->dev_id & 0xFF;
+ } else {
+ eui[3] = 0xFF;
+ eui[4] = 0xFE;
+ eui[0] ^= 2;
+ }
+ return 0;
+}
+
static inline unsigned long addrconf_timeout_fixup(u32 timeout,
unsigned int unit)
{
diff --git a/include/net/bonding.h b/include/net/bonding.h
index 20defc0353d1..c1740a2794a3 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -310,6 +310,13 @@ static inline bool bond_uses_primary(struct bonding *bond)
return bond_mode_uses_primary(BOND_MODE(bond));
}
+static inline struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond)
+{
+ struct slave *slave = rcu_dereference(bond->curr_active_slave);
+
+ return bond_uses_primary(bond) && slave ? slave->dev : NULL;
+}
+
static inline bool bond_slave_is_up(struct slave *slave)
{
return netif_running(slave->dev) && netif_carrier_ok(slave->dev);
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index 39ed2d2fbd51..92a7d85917b4 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -105,14 +105,16 @@ enum ib_cm_data_size {
IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE = 216,
IB_CM_SIDR_REP_PRIVATE_DATA_SIZE = 136,
IB_CM_SIDR_REP_INFO_LENGTH = 72,
- /* compare done u32 at a time */
- IB_CM_COMPARE_SIZE = (64 / sizeof(u32))
};
struct ib_cm_id;
struct ib_cm_req_event_param {
struct ib_cm_id *listen_id;
+
+ /* P_Key that was used by the GMP's BTH header */
+ u16 bth_pkey;
+
u8 port;
struct ib_sa_path_rec *primary_path;
@@ -223,6 +225,9 @@ struct ib_cm_apr_event_param {
struct ib_cm_sidr_req_event_param {
struct ib_cm_id *listen_id;
+ __be64 service_id;
+ /* P_Key that was used by the GMP's BTH header */
+ u16 bth_pkey;
u8 port;
u16 pkey;
};
@@ -337,11 +342,6 @@ void ib_destroy_cm_id(struct ib_cm_id *cm_id);
#define IB_SDP_SERVICE_ID cpu_to_be64(0x0000000000010000ULL)
#define IB_SDP_SERVICE_ID_MASK cpu_to_be64(0xFFFFFFFFFFFF0000ULL)
-struct ib_cm_compare_data {
- u32 data[IB_CM_COMPARE_SIZE];
- u32 mask[IB_CM_COMPARE_SIZE];
-};
-
/**
* ib_cm_listen - Initiates listening on the specified service ID for
* connection and service ID resolution requests.
@@ -354,12 +354,13 @@ struct ib_cm_compare_data {
* range of service IDs. If set to 0, the service ID is matched
* exactly. This parameter is ignored if %service_id is set to
* IB_CM_ASSIGN_SERVICE_ID.
- * @compare_data: This parameter is optional. It specifies data that must
- * appear in the private data of a connection request for the specified
- * listen request.
*/
-int ib_cm_listen(struct ib_cm_id *cm_id, __be64 service_id, __be64 service_mask,
- struct ib_cm_compare_data *compare_data);
+int ib_cm_listen(struct ib_cm_id *cm_id, __be64 service_id,
+ __be64 service_mask);
+
+struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device,
+ ib_cm_handler cm_handler,
+ __be64 service_id);
struct ib_cm_req_param {
struct ib_sa_path_rec *primary_path;
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index c8422d5a5a91..188df91d5851 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -127,6 +127,23 @@
#define IB_DEFAULT_PKEY_PARTIAL 0x7FFF
#define IB_DEFAULT_PKEY_FULL 0xFFFF
+/*
+ * Generic trap/notice types
+ */
+#define IB_NOTICE_TYPE_FATAL 0x80
+#define IB_NOTICE_TYPE_URGENT 0x81
+#define IB_NOTICE_TYPE_SECURITY 0x82
+#define IB_NOTICE_TYPE_SM 0x83
+#define IB_NOTICE_TYPE_INFO 0x84
+
+/*
+ * Generic trap/notice producers
+ */
+#define IB_NOTICE_PROD_CA cpu_to_be16(1)
+#define IB_NOTICE_PROD_SWITCH cpu_to_be16(2)
+#define IB_NOTICE_PROD_ROUTER cpu_to_be16(3)
+#define IB_NOTICE_PROD_CLASS_MGR cpu_to_be16(4)
+
enum {
IB_MGMT_MAD_HDR = 24,
IB_MGMT_MAD_DATA = 232,
@@ -240,6 +257,70 @@ struct ib_class_port_info {
__be32 trap_qkey;
};
+struct ib_mad_notice_attr {
+ u8 generic_type;
+ u8 prod_type_msb;
+ __be16 prod_type_lsb;
+ __be16 trap_num;
+ __be16 issuer_lid;
+ __be16 toggle_count;
+
+ union {
+ struct {
+ u8 details[54];
+ } raw_data;
+
+ struct {
+ __be16 reserved;
+ __be16 lid; /* where violation happened */
+ u8 port_num; /* where violation happened */
+ } __packed ntc_129_131;
+
+ struct {
+ __be16 reserved;
+ __be16 lid; /* LID where change occurred */
+ u8 reserved2;
+ u8 local_changes; /* low bit - local changes */
+ __be32 new_cap_mask; /* new capability mask */
+ u8 reserved3;
+ u8 change_flags; /* low 3 bits only */
+ } __packed ntc_144;
+
+ struct {
+ __be16 reserved;
+ __be16 lid; /* lid where sys guid changed */
+ __be16 reserved2;
+ __be64 new_sys_guid;
+ } __packed ntc_145;
+
+ struct {
+ __be16 reserved;
+ __be16 lid;
+ __be16 dr_slid;
+ u8 method;
+ u8 reserved2;
+ __be16 attr_id;
+ __be32 attr_mod;
+ __be64 mkey;
+ u8 reserved3;
+ u8 dr_trunc_hop;
+ u8 dr_rtn_path[30];
+ } __packed ntc_256;
+
+ struct {
+ __be16 reserved;
+ __be16 lid1;
+ __be16 lid2;
+ __be32 key;
+ __be32 sl_qp1; /* SL: high 4 bits */
+ __be32 qp2; /* high 8 bits reserved */
+ union ib_gid gid1;
+ union ib_gid gid2;
+ } __packed ntc_257_258;
+
+ } details;
+};
+
/**
* ib_mad_send_buf - MAD data buffer and work request for sends.
* @next: A pointer used to chain together MADs for posting.
@@ -388,7 +469,6 @@ enum {
struct ib_mad_agent {
struct ib_device *device;
struct ib_qp *qp;
- struct ib_mr *mr;
ib_mad_recv_handler recv_handler;
ib_mad_send_handler send_handler;
ib_mad_snoop_handler snoop_handler;
diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h
index b1f7592e02e4..709a5331e6b9 100644
--- a/include/rdma/ib_pack.h
+++ b/include/rdma/ib_pack.h
@@ -76,6 +76,8 @@ enum {
IB_OPCODE_UC = 0x20,
IB_OPCODE_RD = 0x40,
IB_OPCODE_UD = 0x60,
+ /* per IBTA 3.1 Table 38, A10.3.2 */
+ IB_OPCODE_CNP = 0x80,
/* operations -- just used to define real constants */
IB_OPCODE_SEND_FIRST = 0x00,
diff --git a/include/rdma/ib_smi.h b/include/rdma/ib_smi.h
index 98b9086d769a..b439e988408e 100644
--- a/include/rdma/ib_smi.h
+++ b/include/rdma/ib_smi.h
@@ -119,10 +119,57 @@ struct ib_port_info {
u8 link_roundtrip_latency[3];
};
+struct ib_node_info {
+ u8 base_version;
+ u8 class_version;
+ u8 node_type;
+ u8 num_ports;
+ __be64 sys_guid;
+ __be64 node_guid;
+ __be64 port_guid;
+ __be16 partition_cap;
+ __be16 device_id;
+ __be32 revision;
+ u8 local_port_num;
+ u8 vendor_id[3];
+} __packed;
+
+struct ib_vl_weight_elem {
+ u8 vl; /* IB: VL is low 4 bits, upper 4 bits reserved */
+ /* OPA: VL is low 5 bits, upper 3 bits reserved */
+ u8 weight;
+};
+
static inline u8
ib_get_smp_direction(struct ib_smp *smp)
{
return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
}
+/*
+ * SM Trap/Notice numbers
+ */
+#define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129)
+#define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130)
+#define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131)
+#define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144)
+#define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145)
+#define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256)
+#define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257)
+#define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258)
+
+/*
+ * Other local changes flags (trap 144).
+ */
+#define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */
+#define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */
+#define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01
+
+/*
+ * M_Key volation flags in dr_trunc_hop (trap 256).
+ */
+#define IB_NOTICE_TRAP_DR_NOTICE 0x80
+#define IB_NOTICE_TRAP_DR_TRUNC 0x40
+
+
#endif /* IB_SMI_H */
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 43c1cf01c84b..7845fae6f2df 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -48,6 +48,7 @@
#include <linux/rwsem.h>
#include <linux/scatterlist.h>
#include <linux/workqueue.h>
+#include <linux/socket.h>
#include <uapi/linux/if_ether.h>
#include <linux/atomic.h>
@@ -64,6 +65,12 @@ union ib_gid {
} global;
};
+extern union ib_gid zgid;
+
+struct ib_gid_attr {
+ struct net_device *ndev;
+};
+
enum rdma_node_type {
/* IB values map to NodeInfo:NodeType. */
RDMA_NODE_IB_CA = 1,
@@ -284,7 +291,7 @@ enum ib_port_cap_flags {
IB_PORT_BOOT_MGMT_SUP = 1 << 23,
IB_PORT_LINK_LATENCY_SUP = 1 << 24,
IB_PORT_CLIENT_REG_SUP = 1 << 25,
- IB_PORT_IP_BASED_GIDS = 1 << 26
+ IB_PORT_IP_BASED_GIDS = 1 << 26,
};
enum ib_port_width {
@@ -556,20 +563,18 @@ __attribute_const__ int ib_rate_to_mult(enum ib_rate rate);
*/
__attribute_const__ int ib_rate_to_mbps(enum ib_rate rate);
-enum ib_mr_create_flags {
- IB_MR_SIGNATURE_EN = 1,
-};
/**
- * ib_mr_init_attr - Memory region init attributes passed to routine
- * ib_create_mr.
- * @max_reg_descriptors: max number of registration descriptors that
- * may be used with registration work requests.
- * @flags: MR creation flags bit mask.
+ * enum ib_mr_type - memory region type
+ * @IB_MR_TYPE_MEM_REG: memory region that is used for
+ * normal registration
+ * @IB_MR_TYPE_SIGNATURE: memory region that is used for
+ * signature operations (data-integrity
+ * capable regions)
*/
-struct ib_mr_init_attr {
- int max_reg_descriptors;
- u32 flags;
+enum ib_mr_type {
+ IB_MR_TYPE_MEM_REG,
+ IB_MR_TYPE_SIGNATURE,
};
/**
@@ -1252,9 +1257,11 @@ struct ib_udata {
};
struct ib_pd {
+ u32 local_dma_lkey;
struct ib_device *device;
struct ib_uobject *uobject;
atomic_t usecnt; /* count all resources */
+ struct ib_mr *local_mr;
};
struct ib_xrcd {
@@ -1488,7 +1495,7 @@ struct ib_cache {
rwlock_t lock;
struct ib_event_handler event_handler;
struct ib_pkey_cache **pkey_cache;
- struct ib_gid_cache **gid_cache;
+ struct ib_gid_table **gid_cache;
u8 *lmc_cache;
};
@@ -1550,6 +1557,8 @@ struct ib_device {
spinlock_t client_data_lock;
struct list_head core_list;
+ /* Access to the client_data_list is protected by the client_data_lock
+ * spinlock and the lists_rwsem read-write semaphore */
struct list_head client_data_list;
struct ib_cache cache;
@@ -1572,9 +1581,47 @@ struct ib_device {
struct ib_port_attr *port_attr);
enum rdma_link_layer (*get_link_layer)(struct ib_device *device,
u8 port_num);
+ /* When calling get_netdev, the HW vendor's driver should return the
+ * net device of device @device at port @port_num or NULL if such
+ * a net device doesn't exist. The vendor driver should call dev_hold
+ * on this net device. The HW vendor's device driver must guarantee
+ * that this function returns NULL before the net device reaches
+ * NETDEV_UNREGISTER_FINAL state.
+ */
+ struct net_device *(*get_netdev)(struct ib_device *device,
+ u8 port_num);
int (*query_gid)(struct ib_device *device,
u8 port_num, int index,
union ib_gid *gid);
+ /* When calling add_gid, the HW vendor's driver should
+ * add the gid of device @device at gid index @index of
+ * port @port_num to be @gid. Meta-info of that gid (for example,
+ * the network device related to this gid is available
+ * at @attr. @context allows the HW vendor driver to store extra
+ * information together with a GID entry. The HW vendor may allocate
+ * memory to contain this information and store it in @context when a
+ * new GID entry is written to. Params are consistent until the next
+ * call of add_gid or delete_gid. The function should return 0 on
+ * success or error otherwise. The function could be called
+ * concurrently for different ports. This function is only called
+ * when roce_gid_table is used.
+ */
+ int (*add_gid)(struct ib_device *device,
+ u8 port_num,
+ unsigned int index,
+ const union ib_gid *gid,
+ const struct ib_gid_attr *attr,
+ void **context);
+ /* When calling del_gid, the HW vendor's driver should delete the
+ * gid of device @device at gid index @index of port @port_num.
+ * Upon the deletion of a GID entry, the HW vendor must free any
+ * allocated memory. The caller will clear @context afterwards.
+ * This function is only called when roce_gid_table is used.
+ */
+ int (*del_gid)(struct ib_device *device,
+ u8 port_num,
+ unsigned int index,
+ void **context);
int (*query_pkey)(struct ib_device *device,
u8 port_num, u16 index, u16 *pkey);
int (*modify_device)(struct ib_device *device,
@@ -1668,11 +1715,9 @@ struct ib_device {
int (*query_mr)(struct ib_mr *mr,
struct ib_mr_attr *mr_attr);
int (*dereg_mr)(struct ib_mr *mr);
- int (*destroy_mr)(struct ib_mr *mr);
- struct ib_mr * (*create_mr)(struct ib_pd *pd,
- struct ib_mr_init_attr *mr_init_attr);
- struct ib_mr * (*alloc_fast_reg_mr)(struct ib_pd *pd,
- int max_page_list_len);
+ struct ib_mr * (*alloc_mr)(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_num_sg);
struct ib_fast_reg_page_list * (*alloc_fast_reg_page_list)(struct ib_device *device,
int page_list_len);
void (*free_fast_reg_page_list)(struct ib_fast_reg_page_list *page_list);
@@ -1724,6 +1769,7 @@ struct ib_device {
int (*destroy_flow)(struct ib_flow *flow_id);
int (*check_mr_status)(struct ib_mr *mr, u32 check_mask,
struct ib_mr_status *mr_status);
+ void (*disassociate_ucontext)(struct ib_ucontext *ibcontext);
struct ib_dma_mapping_ops *dma_ops;
@@ -1761,8 +1807,30 @@ struct ib_device {
struct ib_client {
char *name;
void (*add) (struct ib_device *);
- void (*remove)(struct ib_device *);
-
+ void (*remove)(struct ib_device *, void *client_data);
+
+ /* Returns the net_dev belonging to this ib_client and matching the
+ * given parameters.
+ * @dev: An RDMA device that the net_dev use for communication.
+ * @port: A physical port number on the RDMA device.
+ * @pkey: P_Key that the net_dev uses if applicable.
+ * @gid: A GID that the net_dev uses to communicate.
+ * @addr: An IP address the net_dev is configured with.
+ * @client_data: The device's client data set by ib_set_client_data().
+ *
+ * An ib_client that implements a net_dev on top of RDMA devices
+ * (such as IP over IB) should implement this callback, allowing the
+ * rdma_cm module to find the right net_dev for a given request.
+ *
+ * The caller is responsible for calling dev_put on the returned
+ * netdev. */
+ struct net_device *(*get_net_dev_by_params)(
+ struct ib_device *dev,
+ u8 port,
+ u16 pkey,
+ const union ib_gid *gid,
+ const struct sockaddr *addr,
+ void *client_data);
struct list_head list;
};
@@ -2071,34 +2139,6 @@ static inline bool rdma_cap_eth_ah(const struct ib_device *device, u8 port_num)
}
/**
- * rdma_cap_read_multi_sge - Check if the port of device has the capability
- * RDMA Read Multiple Scatter-Gather Entries.
- * @device: Device to check
- * @port_num: Port number to check
- *
- * iWARP has a restriction that RDMA READ requests may only have a single
- * Scatter/Gather Entry (SGE) in the work request.
- *
- * NOTE: although the linux kernel currently assumes all devices are either
- * single SGE RDMA READ devices or identical SGE maximums for RDMA READs and
- * WRITEs, according to Tom Talpey, this is not accurate. There are some
- * devices out there that support more than a single SGE on RDMA READ
- * requests, but do not support the same number of SGEs as they do on
- * RDMA WRITE requests. The linux kernel would need rearchitecting to
- * support these imbalanced READ/WRITE SGEs allowed devices. So, for now,
- * suffice with either the device supports the same READ/WRITE SGEs, or
- * it only gets one READ sge.
- *
- * Return: true for any device that allows more than one SGE in RDMA READ
- * requests.
- */
-static inline bool rdma_cap_read_multi_sge(struct ib_device *device,
- u8 port_num)
-{
- return !(device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IWARP);
-}
-
-/**
* rdma_max_mad_size - Return the max MAD size required by this RDMA Port.
*
* @device: Device
@@ -2115,6 +2155,26 @@ static inline size_t rdma_max_mad_size(const struct ib_device *device, u8 port_n
return device->port_immutable[port_num].max_mad_size;
}
+/**
+ * rdma_cap_roce_gid_table - Check if the port of device uses roce_gid_table
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * RoCE GID table mechanism manages the various GIDs for a device.
+ *
+ * NOTE: if allocating the port's GID table has failed, this call will still
+ * return true, but any RoCE GID table API will fail.
+ *
+ * Return: true if the port uses RoCE GID table mechanism in order to manage
+ * its GIDs.
+ */
+static inline bool rdma_cap_roce_gid_table(const struct ib_device *device,
+ u8 port_num)
+{
+ return rdma_protocol_roce(device, port_num) &&
+ device->add_gid && device->del_gid;
+}
+
int ib_query_gid(struct ib_device *device,
u8 port_num, int index, union ib_gid *gid);
@@ -2135,20 +2195,9 @@ int ib_find_gid(struct ib_device *device, union ib_gid *gid,
int ib_find_pkey(struct ib_device *device,
u8 port_num, u16 pkey, u16 *index);
-/**
- * ib_alloc_pd - Allocates an unused protection domain.
- * @device: The device on which to allocate the protection domain.
- *
- * A protection domain object provides an association between QPs, shared
- * receive queues, address handles, memory regions, and memory windows.
- */
struct ib_pd *ib_alloc_pd(struct ib_device *device);
-/**
- * ib_dealloc_pd - Deallocates a protection domain.
- * @pd: The protection domain to deallocate.
- */
-int ib_dealloc_pd(struct ib_pd *pd);
+void ib_dealloc_pd(struct ib_pd *pd);
/**
* ib_create_ah - Creates an address handle for the given address vector.
@@ -2775,33 +2824,9 @@ int ib_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
*/
int ib_dereg_mr(struct ib_mr *mr);
-
-/**
- * ib_create_mr - Allocates a memory region that may be used for
- * signature handover operations.
- * @pd: The protection domain associated with the region.
- * @mr_init_attr: memory region init attributes.
- */
-struct ib_mr *ib_create_mr(struct ib_pd *pd,
- struct ib_mr_init_attr *mr_init_attr);
-
-/**
- * ib_destroy_mr - Destroys a memory region that was created using
- * ib_create_mr and removes it from HW translation tables.
- * @mr: The memory region to destroy.
- *
- * This function can fail, if the memory region has memory windows bound to it.
- */
-int ib_destroy_mr(struct ib_mr *mr);
-
-/**
- * ib_alloc_fast_reg_mr - Allocates memory region usable with the
- * IB_WR_FAST_REG_MR send work request.
- * @pd: The protection domain associated with the region.
- * @max_page_list_len: requested max physical buffer list length to be
- * used with fast register work requests for this MR.
- */
-struct ib_mr *ib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len);
+struct ib_mr *ib_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_num_sg);
/**
* ib_alloc_fast_reg_page_list - Allocates a page list array
@@ -2994,4 +3019,8 @@ static inline int ib_check_mr_access(int flags)
int ib_check_mr_status(struct ib_mr *mr, u32 check_mask,
struct ib_mr_status *mr_status);
+struct net_device *ib_get_net_dev_by_params(struct ib_device *dev, u8 port,
+ u16 pkey, const union ib_gid *gid,
+ const struct sockaddr *addr);
+
#endif /* IB_VERBS_H */
diff --git a/include/rdma/opa_port_info.h b/include/rdma/opa_port_info.h
new file mode 100644
index 000000000000..391dae1931c0
--- /dev/null
+++ b/include/rdma/opa_port_info.h
@@ -0,0 +1,433 @@
+/*
+ * Copyright (c) 2014 Intel Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#if !defined(OPA_PORT_INFO_H)
+#define OPA_PORT_INFO_H
+
+/* Temporary until HFI driver is updated */
+#ifndef USE_PI_LED_ENABLE
+#define USE_PI_LED_ENABLE 0
+#endif
+
+#define OPA_PORT_LINK_MODE_NOP 0 /* No change */
+#define OPA_PORT_LINK_MODE_OPA 4 /* Port mode is OPA */
+
+#define OPA_PORT_PACKET_FORMAT_NOP 0 /* No change */
+#define OPA_PORT_PACKET_FORMAT_8B 1 /* Format 8B */
+#define OPA_PORT_PACKET_FORMAT_9B 2 /* Format 9B */
+#define OPA_PORT_PACKET_FORMAT_10B 4 /* Format 10B */
+#define OPA_PORT_PACKET_FORMAT_16B 8 /* Format 16B */
+
+#define OPA_PORT_LTP_CRC_MODE_NONE 0 /* No change */
+#define OPA_PORT_LTP_CRC_MODE_14 1 /* 14-bit LTP CRC mode (optional) */
+#define OPA_PORT_LTP_CRC_MODE_16 2 /* 16-bit LTP CRC mode */
+#define OPA_PORT_LTP_CRC_MODE_48 4 /* 48-bit LTP CRC mode (optional) */
+#define OPA_PORT_LTP_CRC_MODE_PER_LANE 8 /* 12/16-bit per lane LTP CRC mode */
+
+/* Link Down / Neighbor Link Down Reason; indicated as follows: */
+#define OPA_LINKDOWN_REASON_NONE 0 /* No specified reason */
+#define OPA_LINKDOWN_REASON_RCV_ERROR_0 1
+#define OPA_LINKDOWN_REASON_BAD_PKT_LEN 2
+#define OPA_LINKDOWN_REASON_PKT_TOO_LONG 3
+#define OPA_LINKDOWN_REASON_PKT_TOO_SHORT 4
+#define OPA_LINKDOWN_REASON_BAD_SLID 5
+#define OPA_LINKDOWN_REASON_BAD_DLID 6
+#define OPA_LINKDOWN_REASON_BAD_L2 7
+#define OPA_LINKDOWN_REASON_BAD_SC 8
+#define OPA_LINKDOWN_REASON_RCV_ERROR_8 9
+#define OPA_LINKDOWN_REASON_BAD_MID_TAIL 10
+#define OPA_LINKDOWN_REASON_RCV_ERROR_10 11
+#define OPA_LINKDOWN_REASON_PREEMPT_ERROR 12
+#define OPA_LINKDOWN_REASON_PREEMPT_VL15 13
+#define OPA_LINKDOWN_REASON_BAD_VL_MARKER 14
+#define OPA_LINKDOWN_REASON_RCV_ERROR_14 15
+#define OPA_LINKDOWN_REASON_RCV_ERROR_15 16
+#define OPA_LINKDOWN_REASON_BAD_HEAD_DIST 17
+#define OPA_LINKDOWN_REASON_BAD_TAIL_DIST 18
+#define OPA_LINKDOWN_REASON_BAD_CTRL_DIST 19
+#define OPA_LINKDOWN_REASON_BAD_CREDIT_ACK 20
+#define OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER 21
+#define OPA_LINKDOWN_REASON_BAD_PREEMPT 22
+#define OPA_LINKDOWN_REASON_BAD_CONTROL_FLIT 23
+#define OPA_LINKDOWN_REASON_EXCEED_MULTICAST_LIMIT 24
+#define OPA_LINKDOWN_REASON_RCV_ERROR_24 25
+#define OPA_LINKDOWN_REASON_RCV_ERROR_25 26
+#define OPA_LINKDOWN_REASON_RCV_ERROR_26 27
+#define OPA_LINKDOWN_REASON_RCV_ERROR_27 28
+#define OPA_LINKDOWN_REASON_RCV_ERROR_28 29
+#define OPA_LINKDOWN_REASON_RCV_ERROR_29 30
+#define OPA_LINKDOWN_REASON_RCV_ERROR_30 31
+#define OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN 32
+#define OPA_LINKDOWN_REASON_UNKNOWN 33
+/* 34 -reserved */
+#define OPA_LINKDOWN_REASON_REBOOT 35
+#define OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN 36
+/* 37-38 reserved */
+#define OPA_LINKDOWN_REASON_FM_BOUNCE 39
+#define OPA_LINKDOWN_REASON_SPEED_POLICY 40
+#define OPA_LINKDOWN_REASON_WIDTH_POLICY 41
+/* 42-48 reserved */
+#define OPA_LINKDOWN_REASON_DISCONNECTED 49
+#define OPA_LINKDOWN_REASONLOCAL_MEDIA_NOT_INSTALLED 50
+#define OPA_LINKDOWN_REASON_NOT_INSTALLED 51
+#define OPA_LINKDOWN_REASON_CHASSIS_CONFIG 52
+/* 53 reserved */
+#define OPA_LINKDOWN_REASON_END_TO_END_NOT_INSTALLED 54
+/* 55 reserved */
+#define OPA_LINKDOWN_REASON_POWER_POLICY 56
+#define OPA_LINKDOWN_REASON_LINKSPEED_POLICY 57
+#define OPA_LINKDOWN_REASON_LINKWIDTH_POLICY 58
+/* 59 reserved */
+#define OPA_LINKDOWN_REASON_SWITCH_MGMT 60
+#define OPA_LINKDOWN_REASON_SMA_DISABLED 61
+/* 62 reserved */
+#define OPA_LINKDOWN_REASON_TRANSIENT 63
+/* 64-255 reserved */
+
+/* OPA Link Init reason; indicated as follows: */
+/* 3-7; 11-15 reserved; 8-15 cleared on Polling->LinkUp */
+#define OPA_LINKINIT_REASON_NOP 0
+#define OPA_LINKINIT_REASON_LINKUP (1 << 4)
+#define OPA_LINKINIT_REASON_FLAPPING (2 << 4)
+#define OPA_LINKINIT_REASON_CLEAR (8 << 4)
+#define OPA_LINKINIT_OUTSIDE_POLICY (8 << 4)
+#define OPA_LINKINIT_QUARANTINED (9 << 4)
+#define OPA_LINKINIT_INSUFIC_CAPABILITY (10 << 4)
+
+#define OPA_LINK_SPEED_NOP 0x0000 /* Reserved (1-5 Gbps) */
+#define OPA_LINK_SPEED_12_5G 0x0001 /* 12.5 Gbps */
+#define OPA_LINK_SPEED_25G 0x0002 /* 25.78125? Gbps (EDR) */
+
+#define OPA_LINK_WIDTH_1X 0x0001
+#define OPA_LINK_WIDTH_2X 0x0002
+#define OPA_LINK_WIDTH_3X 0x0004
+#define OPA_LINK_WIDTH_4X 0x0008
+
+#define OPA_CAP_MASK3_IsSnoopSupported (1 << 7)
+#define OPA_CAP_MASK3_IsAsyncSC2VLSupported (1 << 6)
+#define OPA_CAP_MASK3_IsAddrRangeConfigSupported (1 << 5)
+#define OPA_CAP_MASK3_IsPassThroughSupported (1 << 4)
+#define OPA_CAP_MASK3_IsSharedSpaceSupported (1 << 3)
+/* reserved (1 << 2) */
+#define OPA_CAP_MASK3_IsVLMarkerSupported (1 << 1)
+#define OPA_CAP_MASK3_IsVLrSupported (1 << 0)
+
+/**
+ * new MTU values
+ */
+enum {
+ OPA_MTU_8192 = 6,
+ OPA_MTU_10240 = 7,
+};
+
+enum {
+ OPA_PORT_PHYS_CONF_DISCONNECTED = 0,
+ OPA_PORT_PHYS_CONF_STANDARD = 1,
+ OPA_PORT_PHYS_CONF_FIXED = 2,
+ OPA_PORT_PHYS_CONF_VARIABLE = 3,
+ OPA_PORT_PHYS_CONF_SI_PHOTO = 4
+};
+
+enum port_info_field_masks {
+ /* vl.cap */
+ OPA_PI_MASK_VL_CAP = 0x1F,
+ /* port_states.ledenable_offlinereason */
+ OPA_PI_MASK_OFFLINE_REASON = 0x0F,
+ OPA_PI_MASK_LED_ENABLE = 0x40,
+ /* port_states.unsleepstate_downdefstate */
+ OPA_PI_MASK_UNSLEEP_STATE = 0xF0,
+ OPA_PI_MASK_DOWNDEF_STATE = 0x0F,
+ /* port_states.portphysstate_portstate */
+ OPA_PI_MASK_PORT_PHYSICAL_STATE = 0xF0,
+ OPA_PI_MASK_PORT_STATE = 0x0F,
+ /* port_phys_conf */
+ OPA_PI_MASK_PORT_PHYSICAL_CONF = 0x0F,
+ /* collectivemask_multicastmask */
+ OPA_PI_MASK_COLLECT_MASK = 0x38,
+ OPA_PI_MASK_MULTICAST_MASK = 0x07,
+ /* mkeyprotect_lmc */
+ OPA_PI_MASK_MKEY_PROT_BIT = 0xC0,
+ OPA_PI_MASK_LMC = 0x0F,
+ /* smsl */
+ OPA_PI_MASK_SMSL = 0x1F,
+ /* partenforce_filterraw */
+ /* Filter Raw In/Out bits 1 and 2 were removed */
+ OPA_PI_MASK_LINKINIT_REASON = 0xF0,
+ OPA_PI_MASK_PARTITION_ENFORCE_IN = 0x08,
+ OPA_PI_MASK_PARTITION_ENFORCE_OUT = 0x04,
+ /* operational_vls */
+ OPA_PI_MASK_OPERATIONAL_VL = 0x1F,
+ /* sa_qp */
+ OPA_PI_MASK_SA_QP = 0x00FFFFFF,
+ /* sm_trap_qp */
+ OPA_PI_MASK_SM_TRAP_QP = 0x00FFFFFF,
+ /* localphy_overrun_errors */
+ OPA_PI_MASK_LOCAL_PHY_ERRORS = 0xF0,
+ OPA_PI_MASK_OVERRUN_ERRORS = 0x0F,
+ /* clientrereg_subnettimeout */
+ OPA_PI_MASK_CLIENT_REREGISTER = 0x80,
+ OPA_PI_MASK_SUBNET_TIMEOUT = 0x1F,
+ /* port_link_mode */
+ OPA_PI_MASK_PORT_LINK_SUPPORTED = (0x001F << 10),
+ OPA_PI_MASK_PORT_LINK_ENABLED = (0x001F << 5),
+ OPA_PI_MASK_PORT_LINK_ACTIVE = (0x001F << 0),
+ /* port_link_crc_mode */
+ OPA_PI_MASK_PORT_LINK_CRC_SUPPORTED = 0x0F00,
+ OPA_PI_MASK_PORT_LINK_CRC_ENABLED = 0x00F0,
+ OPA_PI_MASK_PORT_LINK_CRC_ACTIVE = 0x000F,
+ /* port_mode */
+ OPA_PI_MASK_PORT_MODE_SECURITY_CHECK = 0x0001,
+ OPA_PI_MASK_PORT_MODE_16B_TRAP_QUERY = 0x0002,
+ OPA_PI_MASK_PORT_MODE_PKEY_CONVERT = 0x0004,
+ OPA_PI_MASK_PORT_MODE_SC2SC_MAPPING = 0x0008,
+ OPA_PI_MASK_PORT_MODE_VL_MARKER = 0x0010,
+ OPA_PI_MASK_PORT_PASS_THROUGH = 0x0020,
+ OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE = 0x0040,
+ /* flit_control.interleave */
+ OPA_PI_MASK_INTERLEAVE_DIST_SUP = (0x0003 << 12),
+ OPA_PI_MASK_INTERLEAVE_DIST_ENABLE = (0x0003 << 10),
+ OPA_PI_MASK_INTERLEAVE_MAX_NEST_TX = (0x001F << 5),
+ OPA_PI_MASK_INTERLEAVE_MAX_NEST_RX = (0x001F << 0),
+
+ /* port_error_action */
+ OPA_PI_MASK_EX_BUFFER_OVERRUN = 0x80000000,
+ /* 7 bits reserved */
+ OPA_PI_MASK_FM_CFG_ERR_EXCEED_MULTICAST_LIMIT = 0x00800000,
+ OPA_PI_MASK_FM_CFG_BAD_CONTROL_FLIT = 0x00400000,
+ OPA_PI_MASK_FM_CFG_BAD_PREEMPT = 0x00200000,
+ OPA_PI_MASK_FM_CFG_UNSUPPORTED_VL_MARKER = 0x00100000,
+ OPA_PI_MASK_FM_CFG_BAD_CRDT_ACK = 0x00080000,
+ OPA_PI_MASK_FM_CFG_BAD_CTRL_DIST = 0x00040000,
+ OPA_PI_MASK_FM_CFG_BAD_TAIL_DIST = 0x00020000,
+ OPA_PI_MASK_FM_CFG_BAD_HEAD_DIST = 0x00010000,
+ /* 2 bits reserved */
+ OPA_PI_MASK_PORT_RCV_BAD_VL_MARKER = 0x00002000,
+ OPA_PI_MASK_PORT_RCV_PREEMPT_VL15 = 0x00001000,
+ OPA_PI_MASK_PORT_RCV_PREEMPT_ERROR = 0x00000800,
+ /* 1 bit reserved */
+ OPA_PI_MASK_PORT_RCV_BAD_MidTail = 0x00000200,
+ /* 1 bit reserved */
+ OPA_PI_MASK_PORT_RCV_BAD_SC = 0x00000080,
+ OPA_PI_MASK_PORT_RCV_BAD_L2 = 0x00000040,
+ OPA_PI_MASK_PORT_RCV_BAD_DLID = 0x00000020,
+ OPA_PI_MASK_PORT_RCV_BAD_SLID = 0x00000010,
+ OPA_PI_MASK_PORT_RCV_PKTLEN_TOOSHORT = 0x00000008,
+ OPA_PI_MASK_PORT_RCV_PKTLEN_TOOLONG = 0x00000004,
+ OPA_PI_MASK_PORT_RCV_BAD_PKTLEN = 0x00000002,
+ OPA_PI_MASK_PORT_RCV_BAD_LT = 0x00000001,
+
+ /* pass_through.res_drctl */
+ OPA_PI_MASK_PASS_THROUGH_DR_CONTROL = 0x01,
+
+ /* buffer_units */
+ OPA_PI_MASK_BUF_UNIT_VL15_INIT = (0x00000FFF << 11),
+ OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE = (0x0000001F << 6),
+ OPA_PI_MASK_BUF_UNIT_CREDIT_ACK = (0x00000003 << 3),
+ OPA_PI_MASK_BUF_UNIT_BUF_ALLOC = (0x00000003 << 0),
+
+ /* neigh_mtu.pvlx_to_mtu */
+ OPA_PI_MASK_NEIGH_MTU_PVL0 = 0xF0,
+ OPA_PI_MASK_NEIGH_MTU_PVL1 = 0x0F,
+
+ /* neigh_mtu.vlstall_hoq_life */
+ OPA_PI_MASK_VL_STALL = (0x03 << 5),
+ OPA_PI_MASK_HOQ_LIFE = (0x1F << 0),
+
+ /* port_neigh_mode */
+ OPA_PI_MASK_NEIGH_MGMT_ALLOWED = (0x01 << 3),
+ OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS = (0x01 << 2),
+ OPA_PI_MASK_NEIGH_NODE_TYPE = (0x03 << 0),
+
+ /* resptime_value */
+ OPA_PI_MASK_RESPONSE_TIME_VALUE = 0x1F,
+
+ /* mtucap */
+ OPA_PI_MASK_MTU_CAP = 0x0F,
+};
+
+#if USE_PI_LED_ENABLE
+struct opa_port_states {
+ u8 reserved;
+ u8 ledenable_offlinereason; /* 1 res, 1 bit, 6 bits */
+ u8 reserved2;
+ u8 portphysstate_portstate; /* 4 bits, 4 bits */
+};
+#define PI_LED_ENABLE_SUP 1
+#else
+struct opa_port_states {
+ u8 reserved;
+ u8 offline_reason; /* 2 res, 6 bits */
+ u8 reserved2;
+ u8 portphysstate_portstate; /* 4 bits, 4 bits */
+};
+#define PI_LED_ENABLE_SUP 0
+#endif
+
+struct opa_port_state_info {
+ struct opa_port_states port_states;
+ u16 link_width_downgrade_tx_active;
+ u16 link_width_downgrade_rx_active;
+};
+
+struct opa_port_info {
+ __be32 lid;
+ __be32 flow_control_mask;
+
+ struct {
+ u8 res; /* was inittype */
+ u8 cap; /* 3 res, 5 bits */
+ __be16 high_limit;
+ __be16 preempt_limit;
+ u8 arb_high_cap;
+ u8 arb_low_cap;
+ } vl;
+
+ struct opa_port_states port_states;
+ u8 port_phys_conf; /* 4 res, 4 bits */
+ u8 collectivemask_multicastmask; /* 2 res, 3, 3 */
+ u8 mkeyprotect_lmc; /* 2 bits, 2 res, 4 bits */
+ u8 smsl; /* 3 res, 5 bits */
+
+ u8 partenforce_filterraw; /* bit fields */
+ u8 operational_vls; /* 3 res, 5 bits */
+ __be16 pkey_8b;
+ __be16 pkey_10b;
+ __be16 mkey_violations;
+
+ __be16 pkey_violations;
+ __be16 qkey_violations;
+ __be32 sm_trap_qp; /* 8 bits, 24 bits */
+
+ __be32 sa_qp; /* 8 bits, 24 bits */
+ u8 neigh_port_num;
+ u8 link_down_reason;
+ u8 neigh_link_down_reason;
+ u8 clientrereg_subnettimeout; /* 1 bit, 2 bits, 5 */
+
+ struct {
+ __be16 supported;
+ __be16 enabled;
+ __be16 active;
+ } link_speed;
+ struct {
+ __be16 supported;
+ __be16 enabled;
+ __be16 active;
+ } link_width;
+ struct {
+ __be16 supported;
+ __be16 enabled;
+ __be16 tx_active;
+ __be16 rx_active;
+ } link_width_downgrade;
+ __be16 port_link_mode; /* 1 res, 5 bits, 5 bits, 5 bits */
+ __be16 port_ltp_crc_mode; /* 4 res, 4 bits, 4 bits, 4 bits */
+
+ __be16 port_mode; /* 9 res, bit fields */
+ struct {
+ __be16 supported;
+ __be16 enabled;
+ } port_packet_format;
+ struct {
+ __be16 interleave; /* 2 res, 2,2,5,5 */
+ struct {
+ __be16 min_initial;
+ __be16 min_tail;
+ u8 large_pkt_limit;
+ u8 small_pkt_limit;
+ u8 max_small_pkt_limit;
+ u8 preemption_limit;
+ } preemption;
+ } flit_control;
+
+ __be32 reserved4;
+ __be32 port_error_action; /* bit field */
+
+ struct {
+ u8 egress_port;
+ u8 res_drctl; /* 7 res, 1 */
+ } pass_through;
+ __be16 mkey_lease_period;
+ __be32 buffer_units; /* 9 res, 12, 5, 3, 3 */
+
+ __be32 reserved5;
+ __be32 sm_lid;
+
+ __be64 mkey;
+
+ __be64 subnet_prefix;
+
+ struct {
+ u8 pvlx_to_mtu[OPA_MAX_VLS/2]; /* 4 bits, 4 bits */
+ } neigh_mtu;
+
+ struct {
+ u8 vlstall_hoqlife; /* 3 bits, 5 bits */
+ } xmit_q[OPA_MAX_VLS];
+
+ struct {
+ u8 addr[16];
+ } ipaddr_ipv6;
+
+ struct {
+ u8 addr[4];
+ } ipaddr_ipv4;
+
+ u32 reserved6;
+ u32 reserved7;
+ u32 reserved8;
+
+ __be64 neigh_node_guid;
+
+ __be32 ib_cap_mask;
+ __be16 reserved9; /* was ib_cap_mask2 */
+ __be16 opa_cap_mask;
+
+ __be32 reserved10; /* was link_roundtrip_latency */
+ __be16 overall_buffer_space;
+ __be16 reserved11; /* was max_credit_hint */
+
+ __be16 diag_code;
+ struct {
+ u8 buffer;
+ u8 wire;
+ } replay_depth;
+ u8 port_neigh_mode;
+ u8 mtucap; /* 4 res, 4 bits */
+
+ u8 resptimevalue; /* 3 res, 5 bits */
+ u8 local_port_num;
+ u8 reserved12;
+ u8 reserved13; /* was guid_cap */
+} __attribute__ ((packed));
+
+#endif /* OPA_PORT_INFO_H */
diff --git a/include/rdma/opa_smi.h b/include/rdma/opa_smi.h
index 29063e84c253..4a529ef47995 100644
--- a/include/rdma/opa_smi.h
+++ b/include/rdma/opa_smi.h
@@ -40,6 +40,10 @@
#define OPA_SMP_DR_DATA_SIZE 1872
#define OPA_SMP_MAX_PATH_HOPS 64
+#define OPA_MAX_VLS 32
+#define OPA_MAX_SLS 32
+#define OPA_MAX_SCS 32
+
#define OPA_SMI_CLASS_VERSION 0x80
#define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF)
@@ -73,6 +77,49 @@ struct opa_smp {
} __packed;
+/* Subnet management attributes */
+/* ... */
+#define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010)
+#define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011)
+#define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015)
+#define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016)
+#define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017)
+#define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018)
+#define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020)
+#define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032)
+#define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080)
+#define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082)
+#define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083)
+#define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084)
+#define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085)
+/* ... */
+#define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087)
+/* ... */
+#define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A)
+/* ... */
+
+struct opa_node_description {
+ u8 data[64];
+} __attribute__ ((packed));
+
+struct opa_node_info {
+ u8 base_version;
+ u8 class_version;
+ u8 node_type;
+ u8 num_ports;
+ __be32 reserved;
+ __be64 system_image_guid;
+ __be64 node_guid;
+ __be64 port_guid;
+ __be16 partition_cap;
+ __be16 device_id;
+ __be32 revision;
+ u8 local_port_num;
+ u8 vendor_id[3]; /* network byte order */
+} __attribute__ ((packed));
+
+#define OPA_PARTITION_TABLE_BLK_SIZE 32
+
static inline u8
opa_get_smp_direction(struct opa_smp *smp)
{
diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h
index 0790882e0c9b..585266144329 100644
--- a/include/rdma/rdma_netlink.h
+++ b/include/rdma/rdma_netlink.h
@@ -77,4 +77,11 @@ int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh,
int ibnl_multicast(struct sk_buff *skb, struct nlmsghdr *nlh,
unsigned int group, gfp_t flags);
+/**
+ * Check if there are any listeners to the netlink group
+ * @group: the netlink group ID
+ * Returns 0 on success or a negative for no listeners.
+ */
+int ibnl_chk_listeners(unsigned int group);
+
#endif /* _RDMA_NETLINK_H */
diff --git a/include/uapi/rdma/Kbuild b/include/uapi/rdma/Kbuild
index 687ae332200f..231901b08f6c 100644
--- a/include/uapi/rdma/Kbuild
+++ b/include/uapi/rdma/Kbuild
@@ -5,3 +5,4 @@ header-y += ib_user_sa.h
header-y += ib_user_verbs.h
header-y += rdma_netlink.h
header-y += rdma_user_cm.h
+header-y += hfi/
diff --git a/include/uapi/rdma/hfi/Kbuild b/include/uapi/rdma/hfi/Kbuild
new file mode 100644
index 000000000000..ef23c294fc71
--- /dev/null
+++ b/include/uapi/rdma/hfi/Kbuild
@@ -0,0 +1,2 @@
+# UAPI Header export list
+header-y += hfi1_user.h
diff --git a/include/uapi/rdma/hfi/hfi1_user.h b/include/uapi/rdma/hfi/hfi1_user.h
new file mode 100644
index 000000000000..78c442fbf263
--- /dev/null
+++ b/include/uapi/rdma/hfi/hfi1_user.h
@@ -0,0 +1,427 @@
+/*
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2015 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Intel Corporation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - Neither the name of Intel Corporation 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 THE COPYRIGHT
+ * OWNER 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.
+ *
+ */
+
+/*
+ * This file contains defines, structures, etc. that are used
+ * to communicate between kernel and user code.
+ */
+
+#ifndef _LINUX__HFI1_USER_H
+#define _LINUX__HFI1_USER_H
+
+#include <linux/types.h>
+
+/*
+ * This version number is given to the driver by the user code during
+ * initialization in the spu_userversion field of hfi1_user_info, so
+ * the driver can check for compatibility with user code.
+ *
+ * The major version changes when data structures change in an incompatible
+ * way. The driver must be the same for initialization to succeed.
+ */
+#define HFI1_USER_SWMAJOR 4
+
+/*
+ * Minor version differences are always compatible
+ * a within a major version, however if user software is larger
+ * than driver software, some new features and/or structure fields
+ * may not be implemented; the user code must deal with this if it
+ * cares, or it must abort after initialization reports the difference.
+ */
+#define HFI1_USER_SWMINOR 0
+
+/*
+ * Set of HW and driver capability/feature bits.
+ * These bit values are used to configure enabled/disabled HW and
+ * driver features. The same set of bits are communicated to user
+ * space.
+ */
+#define HFI1_CAP_DMA_RTAIL (1UL << 0) /* Use DMA'ed RTail value */
+#define HFI1_CAP_SDMA (1UL << 1) /* Enable SDMA support */
+#define HFI1_CAP_SDMA_AHG (1UL << 2) /* Enable SDMA AHG support */
+#define HFI1_CAP_EXTENDED_PSN (1UL << 3) /* Enable Extended PSN support */
+#define HFI1_CAP_HDRSUPP (1UL << 4) /* Enable Header Suppression */
+/* 1UL << 5 reserved */
+#define HFI1_CAP_USE_SDMA_HEAD (1UL << 6) /* DMA Hdr Q tail vs. use CSR */
+#define HFI1_CAP_MULTI_PKT_EGR (1UL << 7) /* Enable multi-packet Egr buffs*/
+#define HFI1_CAP_NODROP_RHQ_FULL (1UL << 8) /* Don't drop on Hdr Q full */
+#define HFI1_CAP_NODROP_EGR_FULL (1UL << 9) /* Don't drop on EGR buffs full */
+#define HFI1_CAP_TID_UNMAP (1UL << 10) /* Enable Expected TID caching */
+#define HFI1_CAP_PRINT_UNIMPL (1UL << 11) /* Show for unimplemented feats */
+#define HFI1_CAP_ALLOW_PERM_JKEY (1UL << 12) /* Allow use of permissive JKEY */
+#define HFI1_CAP_NO_INTEGRITY (1UL << 13) /* Enable ctxt integrity checks */
+#define HFI1_CAP_PKEY_CHECK (1UL << 14) /* Enable ctxt PKey checking */
+#define HFI1_CAP_STATIC_RATE_CTRL (1UL << 15) /* Allow PBC.StaticRateControl */
+#define HFI1_CAP_QSFP_ENABLED (1UL << 16) /* Enable QSFP check during LNI */
+#define HFI1_CAP_SDMA_HEAD_CHECK (1UL << 17) /* SDMA head checking */
+#define HFI1_CAP_EARLY_CREDIT_RETURN (1UL << 18) /* early credit return */
+
+#define HFI1_RCVHDR_ENTSIZE_2 (1UL << 0)
+#define HFI1_RCVHDR_ENTSIZE_16 (1UL << 1)
+#define HFI1_RCVDHR_ENTSIZE_32 (1UL << 2)
+
+/*
+ * If the unit is specified via open, HFI choice is fixed. If port is
+ * specified, it's also fixed. Otherwise we try to spread contexts
+ * across ports and HFIs, using different algorithms. WITHIN is
+ * the old default, prior to this mechanism.
+ */
+#define HFI1_ALG_ACROSS 0 /* round robin contexts across HFIs, then
+ * ports; this is the default */
+#define HFI1_ALG_WITHIN 1 /* use all contexts on an HFI (round robin
+ * active ports within), then next HFI */
+#define HFI1_ALG_COUNT 2 /* number of algorithm choices */
+
+
+/* User commands. */
+#define HFI1_CMD_ASSIGN_CTXT 1 /* allocate HFI and context */
+#define HFI1_CMD_CTXT_INFO 2 /* find out what resources we got */
+#define HFI1_CMD_USER_INFO 3 /* set up userspace */
+#define HFI1_CMD_TID_UPDATE 4 /* update expected TID entries */
+#define HFI1_CMD_TID_FREE 5 /* free expected TID entries */
+#define HFI1_CMD_CREDIT_UPD 6 /* force an update of PIO credit */
+#define HFI1_CMD_SDMA_STATUS_UPD 7 /* force update of SDMA status ring */
+
+#define HFI1_CMD_RECV_CTRL 8 /* control receipt of packets */
+#define HFI1_CMD_POLL_TYPE 9 /* set the kind of polling we want */
+#define HFI1_CMD_ACK_EVENT 10 /* ack & clear user status bits */
+#define HFI1_CMD_SET_PKEY 11 /* set context's pkey */
+#define HFI1_CMD_CTXT_RESET 12 /* reset context's HW send context */
+/* separate EPROM commands from normal PSM commands */
+#define HFI1_CMD_EP_INFO 64 /* read EPROM device ID */
+#define HFI1_CMD_EP_ERASE_CHIP 65 /* erase whole EPROM */
+#define HFI1_CMD_EP_ERASE_P0 66 /* erase EPROM partition 0 */
+#define HFI1_CMD_EP_ERASE_P1 67 /* erase EPROM partition 1 */
+#define HFI1_CMD_EP_READ_P0 68 /* read EPROM partition 0 */
+#define HFI1_CMD_EP_READ_P1 69 /* read EPROM partition 1 */
+#define HFI1_CMD_EP_WRITE_P0 70 /* write EPROM partition 0 */
+#define HFI1_CMD_EP_WRITE_P1 71 /* write EPROM partition 1 */
+
+#define _HFI1_EVENT_FROZEN_BIT 0
+#define _HFI1_EVENT_LINKDOWN_BIT 1
+#define _HFI1_EVENT_LID_CHANGE_BIT 2
+#define _HFI1_EVENT_LMC_CHANGE_BIT 3
+#define _HFI1_EVENT_SL2VL_CHANGE_BIT 4
+#define _HFI1_MAX_EVENT_BIT _HFI1_EVENT_SL2VL_CHANGE_BIT
+
+#define HFI1_EVENT_FROZEN (1UL << _HFI1_EVENT_FROZEN_BIT)
+#define HFI1_EVENT_LINKDOWN_BIT (1UL << _HFI1_EVENT_LINKDOWN_BIT)
+#define HFI1_EVENT_LID_CHANGE_BIT (1UL << _HFI1_EVENT_LID_CHANGE_BIT)
+#define HFI1_EVENT_LMC_CHANGE_BIT (1UL << _HFI1_EVENT_LMC_CHANGE_BIT)
+#define HFI1_EVENT_SL2VL_CHANGE_BIT (1UL << _HFI1_EVENT_SL2VL_CHANGE_BIT)
+
+/*
+ * These are the status bits readable (in ASCII form, 64bit value)
+ * from the "status" sysfs file. For binary compatibility, values
+ * must remain as is; removed states can be reused for different
+ * purposes.
+ */
+#define HFI1_STATUS_INITTED 0x1 /* basic initialization done */
+/* Chip has been found and initialized */
+#define HFI1_STATUS_CHIP_PRESENT 0x20
+/* IB link is at ACTIVE, usable for data traffic */
+#define HFI1_STATUS_IB_READY 0x40
+/* link is configured, LID, MTU, etc. have been set */
+#define HFI1_STATUS_IB_CONF 0x80
+/* A Fatal hardware error has occurred. */
+#define HFI1_STATUS_HWERROR 0x200
+
+/*
+ * Number of supported shared contexts.
+ * This is the maximum number of software contexts that can share
+ * a hardware send/receive context.
+ */
+#define HFI1_MAX_SHARED_CTXTS 8
+
+/*
+ * Poll types
+ */
+#define HFI1_POLL_TYPE_ANYRCV 0x0
+#define HFI1_POLL_TYPE_URGENT 0x1
+
+/*
+ * This structure is passed to the driver to tell it where
+ * user code buffers are, sizes, etc. The offsets and sizes of the
+ * fields must remain unchanged, for binary compatibility. It can
+ * be extended, if userversion is changed so user code can tell, if needed
+ */
+struct hfi1_user_info {
+ /*
+ * version of user software, to detect compatibility issues.
+ * Should be set to HFI1_USER_SWVERSION.
+ */
+ __u32 userversion;
+ __u16 pad;
+ /* HFI selection algorithm, if unit has not selected */
+ __u16 hfi1_alg;
+ /*
+ * If two or more processes wish to share a context, each process
+ * must set the subcontext_cnt and subcontext_id to the same
+ * values. The only restriction on the subcontext_id is that
+ * it be unique for a given node.
+ */
+ __u16 subctxt_cnt;
+ __u16 subctxt_id;
+ /* 128bit UUID passed in by PSM. */
+ __u8 uuid[16];
+};
+
+struct hfi1_ctxt_info {
+ __u64 runtime_flags; /* chip/drv runtime flags (HFI1_CAP_*) */
+ __u32 rcvegr_size; /* size of each eager buffer */
+ __u16 num_active; /* number of active units */
+ __u16 unit; /* unit (chip) assigned to caller */
+ __u16 ctxt; /* ctxt on unit assigned to caller */
+ __u16 subctxt; /* subctxt on unit assigned to caller */
+ __u16 rcvtids; /* number of Rcv TIDs for this context */
+ __u16 credits; /* number of PIO credits for this context */
+ __u16 numa_node; /* NUMA node of the assigned device */
+ __u16 rec_cpu; /* cpu # for affinity (0xffff if none) */
+ __u16 send_ctxt; /* send context in use by this user context */
+ __u16 egrtids; /* number of RcvArray entries for Eager Rcvs */
+ __u16 rcvhdrq_cnt; /* number of RcvHdrQ entries */
+ __u16 rcvhdrq_entsize; /* size (in bytes) for each RcvHdrQ entry */
+ __u16 sdma_ring_size; /* number of entries in SDMA request ring */
+};
+
+struct hfi1_tid_info {
+ /* virtual address of first page in transfer */
+ __u64 vaddr;
+ /* pointer to tid array. this array is big enough */
+ __u64 tidlist;
+ /* number of tids programmed by this request */
+ __u32 tidcnt;
+ /* length of transfer buffer programmed by this request */
+ __u32 length;
+ /*
+ * pointer to bitmap of TIDs used for this call;
+ * checked for being large enough at open
+ */
+ __u64 tidmap;
+};
+
+struct hfi1_cmd {
+ __u32 type; /* command type */
+ __u32 len; /* length of struct pointed to by add */
+ __u64 addr; /* pointer to user structure */
+};
+
+enum hfi1_sdma_comp_state {
+ FREE = 0,
+ QUEUED,
+ COMPLETE,
+ ERROR
+};
+
+/*
+ * SDMA completion ring entry
+ */
+struct hfi1_sdma_comp_entry {
+ __u32 status;
+ __u32 errcode;
+};
+
+/*
+ * Device status and notifications from driver to user-space.
+ */
+struct hfi1_status {
+ __u64 dev; /* device/hw status bits */
+ __u64 port; /* port state and status bits */
+ char freezemsg[0];
+};
+
+/*
+ * This structure is returned by the driver immediately after
+ * open to get implementation-specific info, and info specific to this
+ * instance.
+ *
+ * This struct must have explicit pad fields where type sizes
+ * may result in different alignments between 32 and 64 bit
+ * programs, since the 64 bit * bit kernel requires the user code
+ * to have matching offsets
+ */
+struct hfi1_base_info {
+ /* version of hardware, for feature checking. */
+ __u32 hw_version;
+ /* version of software, for feature checking. */
+ __u32 sw_version;
+ /* Job key */
+ __u16 jkey;
+ __u16 padding1;
+ /*
+ * The special QP (queue pair) value that identifies PSM
+ * protocol packet from standard IB packets.
+ */
+ __u32 bthqp;
+ /* PIO credit return address, */
+ __u64 sc_credits_addr;
+ /*
+ * Base address of write-only pio buffers for this process.
+ * Each buffer has sendpio_credits*64 bytes.
+ */
+ __u64 pio_bufbase_sop;
+ /*
+ * Base address of write-only pio buffers for this process.
+ * Each buffer has sendpio_credits*64 bytes.
+ */
+ __u64 pio_bufbase;
+ /* address where receive buffer queue is mapped into */
+ __u64 rcvhdr_bufbase;
+ /* base address of Eager receive buffers. */
+ __u64 rcvegr_bufbase;
+ /* base address of SDMA completion ring */
+ __u64 sdma_comp_bufbase;
+ /*
+ * User register base for init code, not to be used directly by
+ * protocol or applications. Always maps real chip register space.
+ * the register addresses are:
+ * ur_rcvhdrhead, ur_rcvhdrtail, ur_rcvegrhead, ur_rcvegrtail,
+ * ur_rcvtidflow
+ */
+ __u64 user_regbase;
+ /* notification events */
+ __u64 events_bufbase;
+ /* status page */
+ __u64 status_bufbase;
+ /* rcvhdrtail update */
+ __u64 rcvhdrtail_base;
+ /*
+ * shared memory pages for subctxts if ctxt is shared; these cover
+ * all the processes in the group sharing a single context.
+ * all have enough space for the num_subcontexts value on this job.
+ */
+ __u64 subctxt_uregbase;
+ __u64 subctxt_rcvegrbuf;
+ __u64 subctxt_rcvhdrbuf;
+};
+
+enum sdma_req_opcode {
+ EXPECTED = 0,
+ EAGER
+};
+
+#define HFI1_SDMA_REQ_VERSION_MASK 0xF
+#define HFI1_SDMA_REQ_VERSION_SHIFT 0x0
+#define HFI1_SDMA_REQ_OPCODE_MASK 0xF
+#define HFI1_SDMA_REQ_OPCODE_SHIFT 0x4
+#define HFI1_SDMA_REQ_IOVCNT_MASK 0xFF
+#define HFI1_SDMA_REQ_IOVCNT_SHIFT 0x8
+
+struct sdma_req_info {
+ /*
+ * bits 0-3 - version (currently unused)
+ * bits 4-7 - opcode (enum sdma_req_opcode)
+ * bits 8-15 - io vector count
+ */
+ __u16 ctrl;
+ /*
+ * Number of fragments contained in this request.
+ * User-space has already computed how many
+ * fragment-sized packet the user buffer will be
+ * split into.
+ */
+ __u16 npkts;
+ /*
+ * Size of each fragment the user buffer will be
+ * split into.
+ */
+ __u16 fragsize;
+ /*
+ * Index of the slot in the SDMA completion ring
+ * this request should be using. User-space is
+ * in charge of managing its own ring.
+ */
+ __u16 comp_idx;
+} __packed;
+
+/*
+ * SW KDETH header.
+ * swdata is SW defined portion.
+ */
+struct hfi1_kdeth_header {
+ __le32 ver_tid_offset;
+ __le16 jkey;
+ __le16 hcrc;
+ __le32 swdata[7];
+} __packed;
+
+/*
+ * Structure describing the headers that User space uses. The
+ * structure above is a subset of this one.
+ */
+struct hfi1_pkt_header {
+ __le16 pbc[4];
+ __be16 lrh[4];
+ __be32 bth[3];
+ struct hfi1_kdeth_header kdeth;
+} __packed;
+
+
+/*
+ * The list of usermode accessible registers.
+ */
+enum hfi1_ureg {
+ /* (RO) DMA RcvHdr to be used next. */
+ ur_rcvhdrtail = 0,
+ /* (RW) RcvHdr entry to be processed next by host. */
+ ur_rcvhdrhead = 1,
+ /* (RO) Index of next Eager index to use. */
+ ur_rcvegrindextail = 2,
+ /* (RW) Eager TID to be processed next */
+ ur_rcvegrindexhead = 3,
+ /* (RO) Receive Eager Offset Tail */
+ ur_rcvegroffsettail = 4,
+ /* For internal use only; max register number. */
+ ur_maxreg,
+ /* (RW) Receive TID flow table */
+ ur_rcvtidflowtable = 256
+};
+
+#endif /* _LINIUX__HFI1_USER_H */
diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h
index 6e4bb4270ca2..c19a5dc1531a 100644
--- a/include/uapi/rdma/rdma_netlink.h
+++ b/include/uapi/rdma/rdma_netlink.h
@@ -7,12 +7,14 @@ enum {
RDMA_NL_RDMA_CM = 1,
RDMA_NL_NES,
RDMA_NL_C4IW,
+ RDMA_NL_LS, /* RDMA Local Services */
RDMA_NL_NUM_CLIENTS
};
enum {
RDMA_NL_GROUP_CM = 1,
RDMA_NL_GROUP_IWPM,
+ RDMA_NL_GROUP_LS,
RDMA_NL_NUM_GROUPS
};
@@ -128,5 +130,85 @@ enum {
IWPM_NLA_ERR_MAX
};
+/*
+ * Local service operations:
+ * RESOLVE - The client requests the local service to resolve a path.
+ * SET_TIMEOUT - The local service requests the client to set the timeout.
+ */
+enum {
+ RDMA_NL_LS_OP_RESOLVE = 0,
+ RDMA_NL_LS_OP_SET_TIMEOUT,
+ RDMA_NL_LS_NUM_OPS
+};
+
+/* Local service netlink message flags */
+#define RDMA_NL_LS_F_ERR 0x0100 /* Failed response */
+
+/*
+ * Local service resolve operation family header.
+ * The layout for the resolve operation:
+ * nlmsg header
+ * family header
+ * attributes
+ */
+
+/*
+ * Local service path use:
+ * Specify how the path(s) will be used.
+ * ALL - For connected CM operation (6 pathrecords)
+ * UNIDIRECTIONAL - For unidirectional UD (1 pathrecord)
+ * GMP - For miscellaneous GMP like operation (at least 1 reversible
+ * pathrecord)
+ */
+enum {
+ LS_RESOLVE_PATH_USE_ALL = 0,
+ LS_RESOLVE_PATH_USE_UNIDIRECTIONAL,
+ LS_RESOLVE_PATH_USE_GMP,
+ LS_RESOLVE_PATH_USE_MAX
+};
+
+#define LS_DEVICE_NAME_MAX 64
+
+struct rdma_ls_resolve_header {
+ __u8 device_name[LS_DEVICE_NAME_MAX];
+ __u8 port_num;
+ __u8 path_use;
+};
+
+/* Local service attribute type */
+#define RDMA_NLA_F_MANDATORY (1 << 13)
+#define RDMA_NLA_TYPE_MASK (~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
+ RDMA_NLA_F_MANDATORY))
+
+/*
+ * Local service attributes:
+ * Attr Name Size Byte order
+ * -----------------------------------------------------
+ * PATH_RECORD struct ib_path_rec_data
+ * TIMEOUT u32 cpu
+ * SERVICE_ID u64 cpu
+ * DGID u8[16] BE
+ * SGID u8[16] BE
+ * TCLASS u8
+ * PKEY u16 cpu
+ * QOS_CLASS u16 cpu
+ */
+enum {
+ LS_NLA_TYPE_UNSPEC = 0,
+ LS_NLA_TYPE_PATH_RECORD,
+ LS_NLA_TYPE_TIMEOUT,
+ LS_NLA_TYPE_SERVICE_ID,
+ LS_NLA_TYPE_DGID,
+ LS_NLA_TYPE_SGID,
+ LS_NLA_TYPE_TCLASS,
+ LS_NLA_TYPE_PKEY,
+ LS_NLA_TYPE_QOS_CLASS,
+ LS_NLA_TYPE_MAX
+};
+
+/* Local service DGID/SGID attribute: big endian */
+struct rdma_nla_ls_gid {
+ __u8 gid[16];
+};
#endif /* _UAPI_RDMA_NETLINK_H */
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-03 21:00:26 +0300