diff options
Diffstat (limited to 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 209 |
1 files changed, 54 insertions, 155 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 0742095355f2..26e9c2594913 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -63,6 +63,7 @@ #include <linux/preempt.h> #include <uapi/rdma/ib_user_verbs.h> #include <rdma/restrack.h> +#include <rdma/signature.h> #include <uapi/rdma/rdma_user_ioctl.h> #include <uapi/rdma/ib_user_ioctl_verbs.h> @@ -132,17 +133,6 @@ struct ib_gid_attr { u8 port_num; }; -enum rdma_node_type { - /* IB values map to NodeInfo:NodeType. */ - RDMA_NODE_IB_CA = 1, - RDMA_NODE_IB_SWITCH, - RDMA_NODE_IB_ROUTER, - RDMA_NODE_RNIC, - RDMA_NODE_USNIC, - RDMA_NODE_USNIC_UDP, - RDMA_NODE_UNSPECIFIED, -}; - enum { /* set the local administered indication */ IB_SA_WELL_KNOWN_GUID = BIT_ULL(57) | 2, @@ -164,7 +154,7 @@ enum rdma_protocol_type { }; __attribute_const__ enum rdma_transport_type -rdma_node_get_transport(enum rdma_node_type node_type); +rdma_node_get_transport(unsigned int node_type); enum rdma_network_type { RDMA_NETWORK_IB, @@ -263,7 +253,7 @@ enum ib_device_cap_flags { */ IB_DEVICE_CROSS_CHANNEL = (1 << 27), IB_DEVICE_MANAGED_FLOW_STEERING = (1 << 29), - IB_DEVICE_SIGNATURE_HANDOVER = (1 << 30), + IB_DEVICE_INTEGRITY_HANDOVER = (1 << 30), IB_DEVICE_ON_DEMAND_PAGING = (1ULL << 31), IB_DEVICE_SG_GAPS_REG = (1ULL << 32), IB_DEVICE_VIRTUAL_FUNCTION = (1ULL << 33), @@ -275,17 +265,6 @@ enum ib_device_cap_flags { IB_DEVICE_ALLOW_USER_UNREG = (1ULL << 37), }; -enum ib_signature_prot_cap { - IB_PROT_T10DIF_TYPE_1 = 1, - IB_PROT_T10DIF_TYPE_2 = 1 << 1, - IB_PROT_T10DIF_TYPE_3 = 1 << 2, -}; - -enum ib_signature_guard_cap { - IB_GUARD_T10DIF_CRC = 1, - IB_GUARD_T10DIF_CSUM = 1 << 1, -}; - enum ib_atomic_cap { IB_ATOMIC_NONE, IB_ATOMIC_HCA, @@ -411,6 +390,7 @@ struct ib_device_attr { int max_srq_wr; int max_srq_sge; unsigned int max_fast_reg_page_list_len; + unsigned int max_pi_fast_reg_page_list_len; u16 max_pkeys; u8 local_ca_ack_delay; int sig_prot_cap; @@ -796,118 +776,26 @@ __attribute_const__ int ib_rate_to_mbps(enum ib_rate rate); * 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) * @IB_MR_TYPE_SG_GAPS: memory region that is capable to * register any arbitrary sg lists (without * the normal mr constraints - see * ib_map_mr_sg) + * @IB_MR_TYPE_DM: memory region that is used for device + * memory registration + * @IB_MR_TYPE_USER: memory region that is used for the user-space + * application + * @IB_MR_TYPE_DMA: memory region that is used for DMA operations + * without address translations (VA=PA) + * @IB_MR_TYPE_INTEGRITY: memory region that is used for + * data integrity operations */ enum ib_mr_type { IB_MR_TYPE_MEM_REG, - IB_MR_TYPE_SIGNATURE, IB_MR_TYPE_SG_GAPS, -}; - -/** - * Signature types - * IB_SIG_TYPE_NONE: Unprotected. - * IB_SIG_TYPE_T10_DIF: Type T10-DIF - */ -enum ib_signature_type { - IB_SIG_TYPE_NONE, - IB_SIG_TYPE_T10_DIF, -}; - -/** - * Signature T10-DIF block-guard types - * IB_T10DIF_CRC: Corresponds to T10-PI mandated CRC checksum rules. - * IB_T10DIF_CSUM: Corresponds to IP checksum rules. - */ -enum ib_t10_dif_bg_type { - IB_T10DIF_CRC, - IB_T10DIF_CSUM -}; - -/** - * struct ib_t10_dif_domain - Parameters specific for T10-DIF - * domain. - * @bg_type: T10-DIF block guard type (CRC|CSUM) - * @pi_interval: protection information interval. - * @bg: seed of guard computation. - * @app_tag: application tag of guard block - * @ref_tag: initial guard block reference tag. - * @ref_remap: Indicate wethear the reftag increments each block - * @app_escape: Indicate to skip block check if apptag=0xffff - * @ref_escape: Indicate to skip block check if reftag=0xffffffff - * @apptag_check_mask: check bitmask of application tag. - */ -struct ib_t10_dif_domain { - enum ib_t10_dif_bg_type bg_type; - u16 pi_interval; - u16 bg; - u16 app_tag; - u32 ref_tag; - bool ref_remap; - bool app_escape; - bool ref_escape; - u16 apptag_check_mask; -}; - -/** - * struct ib_sig_domain - Parameters for signature domain - * @sig_type: specific signauture type - * @sig: union of all signature domain attributes that may - * be used to set domain layout. - */ -struct ib_sig_domain { - enum ib_signature_type sig_type; - union { - struct ib_t10_dif_domain dif; - } sig; -}; - -/** - * struct ib_sig_attrs - Parameters for signature handover operation - * @check_mask: bitmask for signature byte check (8 bytes) - * @mem: memory domain layout desciptor. - * @wire: wire domain layout desciptor. - */ -struct ib_sig_attrs { - u8 check_mask; - struct ib_sig_domain mem; - struct ib_sig_domain wire; -}; - -enum ib_sig_err_type { - IB_SIG_BAD_GUARD, - IB_SIG_BAD_REFTAG, - IB_SIG_BAD_APPTAG, -}; - -/** - * Signature check masks (8 bytes in total) according to the T10-PI standard: - * -------- -------- ------------ - * | GUARD | APPTAG | REFTAG | - * | 2B | 2B | 4B | - * -------- -------- ------------ - */ -enum { - IB_SIG_CHECK_GUARD = 0xc0, - IB_SIG_CHECK_APPTAG = 0x30, - IB_SIG_CHECK_REFTAG = 0x0f, -}; - -/** - * struct ib_sig_err - signature error descriptor - */ -struct ib_sig_err { - enum ib_sig_err_type err_type; - u32 expected; - u32 actual; - u64 sig_err_offset; - u32 key; + IB_MR_TYPE_DM, + IB_MR_TYPE_USER, + IB_MR_TYPE_DMA, + IB_MR_TYPE_INTEGRITY, }; enum ib_mr_status_check { @@ -1164,7 +1052,7 @@ enum ib_qp_create_flags { IB_QP_CREATE_MANAGED_SEND = 1 << 3, IB_QP_CREATE_MANAGED_RECV = 1 << 4, IB_QP_CREATE_NETIF_QP = 1 << 5, - IB_QP_CREATE_SIGNATURE_EN = 1 << 6, + IB_QP_CREATE_INTEGRITY_EN = 1 << 6, /* FREE = 1 << 7, */ IB_QP_CREATE_SCATTER_FCS = 1 << 8, IB_QP_CREATE_CVLAN_STRIPPING = 1 << 9, @@ -1343,7 +1231,7 @@ enum ib_wr_opcode { /* These are kernel only and can not be issued by userspace */ IB_WR_REG_MR = 0x20, - IB_WR_REG_SIG_MR, + IB_WR_REG_MR_INTEGRITY, /* reserve values for low level drivers' internal use. * These values will not be used at all in the ib core layer. @@ -1453,20 +1341,6 @@ static inline const struct ib_reg_wr *reg_wr(const struct ib_send_wr *wr) return container_of(wr, struct ib_reg_wr, wr); } -struct ib_sig_handover_wr { - struct ib_send_wr wr; - struct ib_sig_attrs *sig_attrs; - struct ib_mr *sig_mr; - int access_flags; - struct ib_sge *prot; -}; - -static inline const struct ib_sig_handover_wr * -sig_handover_wr(const struct ib_send_wr *wr) -{ - return container_of(wr, struct ib_sig_handover_wr, wr); -} - struct ib_recv_wr { struct ib_recv_wr *next; union { @@ -1818,6 +1692,7 @@ struct ib_qp { struct ib_qp_security *qp_sec; u8 port; + bool integrity_en; /* * Implementation details of the RDMA core, don't use in drivers: */ @@ -1840,6 +1715,7 @@ struct ib_mr { u64 iova; u64 length; unsigned int page_size; + enum ib_mr_type type; bool need_inval; union { struct ib_uobject *uobject; /* user */ @@ -1847,7 +1723,7 @@ struct ib_mr { }; struct ib_dm *dm; - + struct ib_sig_attrs *sig_attrs; /* only for IB_MR_TYPE_INTEGRITY MRs */ /* * Implementation details of the RDMA core, don't use in drivers: */ @@ -2329,6 +2205,11 @@ struct iw_cm_conn_param; * need to define the supported operations, otherwise they will be set to null. */ struct ib_device_ops { + struct module *owner; + enum rdma_driver_id driver_id; + u32 uverbs_abi_ver; + unsigned int uverbs_no_driver_id_binding:1; + int (*post_send)(struct ib_qp *qp, const struct ib_send_wr *send_wr, const struct ib_send_wr **bad_send_wr); int (*post_recv)(struct ib_qp *qp, const struct ib_recv_wr *recv_wr, @@ -2454,11 +2335,10 @@ struct ib_device_ops { int (*query_qp)(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); int (*destroy_qp)(struct ib_qp *qp, struct ib_udata *udata); - struct ib_cq *(*create_cq)(struct ib_device *device, - const struct ib_cq_init_attr *attr, - struct ib_udata *udata); + int (*create_cq)(struct ib_cq *cq, const struct ib_cq_init_attr *attr, + struct ib_udata *udata); int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period); - int (*destroy_cq)(struct ib_cq *cq, struct ib_udata *udata); + void (*destroy_cq)(struct ib_cq *cq, struct ib_udata *udata); int (*resize_cq)(struct ib_cq *cq, int cqe, struct ib_udata *udata); struct ib_mr *(*get_dma_mr)(struct ib_pd *pd, int mr_access_flags); struct ib_mr *(*reg_user_mr)(struct ib_pd *pd, u64 start, u64 length, @@ -2470,6 +2350,9 @@ struct ib_device_ops { int (*dereg_mr)(struct ib_mr *mr, struct ib_udata *udata); struct ib_mr *(*alloc_mr)(struct ib_pd *pd, enum ib_mr_type mr_type, u32 max_num_sg, struct ib_udata *udata); + struct ib_mr *(*alloc_mr_integrity)(struct ib_pd *pd, + u32 max_num_data_sg, + u32 max_num_meta_sg); int (*advise_mr)(struct ib_pd *pd, enum ib_uverbs_advise_mr_advice advice, u32 flags, struct ib_sge *sg_list, u32 num_sge, @@ -2516,7 +2399,7 @@ struct ib_device_ops { struct ib_wq *(*create_wq)(struct ib_pd *pd, struct ib_wq_init_attr *init_attr, struct ib_udata *udata); - int (*destroy_wq)(struct ib_wq *wq, struct ib_udata *udata); + void (*destroy_wq)(struct ib_wq *wq, struct ib_udata *udata); int (*modify_wq)(struct ib_wq *wq, struct ib_wq_attr *attr, u32 wq_attr_mask, struct ib_udata *udata); struct ib_rwq_ind_table *(*create_rwq_ind_table)( @@ -2538,6 +2421,11 @@ struct ib_device_ops { int (*read_counters)(struct ib_counters *counters, struct ib_counters_read_attr *counters_read_attr, struct uverbs_attr_bundle *attrs); + int (*map_mr_sg_pi)(struct ib_mr *mr, struct scatterlist *data_sg, + int data_sg_nents, unsigned int *data_sg_offset, + struct scatterlist *meta_sg, int meta_sg_nents, + unsigned int *meta_sg_offset); + /** * alloc_hw_stats - Allocate a struct rdma_hw_stats and fill in the * driver initialized data. The struct is kfree()'ed by the sysfs @@ -2597,6 +2485,7 @@ struct ib_device_ops { int (*iw_destroy_listen)(struct iw_cm_id *cm_id); DECLARE_RDMA_OBJ_SIZE(ib_ah); + DECLARE_RDMA_OBJ_SIZE(ib_cq); DECLARE_RDMA_OBJ_SIZE(ib_pd); DECLARE_RDMA_OBJ_SIZE(ib_srq); DECLARE_RDMA_OBJ_SIZE(ib_ucontext); @@ -2636,7 +2525,6 @@ struct ib_device { int num_comp_vectors; - struct module *owner; union { struct device dev; struct ib_core_device coredev; @@ -2648,7 +2536,6 @@ struct ib_device { */ const struct attribute_group *groups[3]; - int uverbs_abi_ver; u64 uverbs_cmd_mask; u64 uverbs_ex_cmd_mask; @@ -2672,7 +2559,6 @@ struct ib_device { struct rdma_restrack_root *res; const struct uapi_definition *driver_def; - enum rdma_driver_id driver_id; /* * Positive refcount indicates that the device is currently @@ -2694,10 +2580,15 @@ struct ib_device { u32 iw_driver_flags; }; +struct ib_client_nl_info; struct ib_client { const char *name; void (*add) (struct ib_device *); void (*remove)(struct ib_device *, void *client_data); + void (*rename)(struct ib_device *dev, void *client_data); + int (*get_nl_info)(struct ib_device *ibdev, void *client_data, + struct ib_client_nl_info *res); + int (*get_global_nl_info)(struct ib_client_nl_info *res); /* Returns the net_dev belonging to this ib_client and matching the * given parameters. @@ -3858,9 +3749,9 @@ int ib_destroy_cq_user(struct ib_cq *cq, struct ib_udata *udata); * * NOTE: for user cq use ib_destroy_cq_user with valid udata! */ -static inline int ib_destroy_cq(struct ib_cq *cq) +static inline void ib_destroy_cq(struct ib_cq *cq) { - return ib_destroy_cq_user(cq, NULL); + ib_destroy_cq_user(cq, NULL); } /** @@ -4147,6 +4038,10 @@ static inline struct ib_mr *ib_alloc_mr(struct ib_pd *pd, return ib_alloc_mr_user(pd, mr_type, max_num_sg, NULL); } +struct ib_mr *ib_alloc_mr_integrity(struct ib_pd *pd, + u32 max_num_data_sg, + u32 max_num_meta_sg); + /** * ib_update_fast_reg_key - updates the key portion of the fast_reg MR * R_Key and L_Key. @@ -4331,6 +4226,10 @@ int ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table); int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset, unsigned int page_size); +int ib_map_mr_sg_pi(struct ib_mr *mr, struct scatterlist *data_sg, + int data_sg_nents, unsigned int *data_sg_offset, + struct scatterlist *meta_sg, int meta_sg_nents, + unsigned int *meta_sg_offset, unsigned int page_size); static inline int ib_map_mr_sg_zbva(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, |