1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2018 6WIND S.A. 3 * Copyright 2018 Mellanox Technologies, Ltd 4 */ 5 6 #ifndef MLX5_GLUE_H_ 7 #define MLX5_GLUE_H_ 8 9 #include <stddef.h> 10 #include <stdint.h> 11 /* Verbs headers do not support -pedantic. */ 12 #ifdef PEDANTIC 13 #pragma GCC diagnostic ignored "-Wpedantic" 14 #endif 15 #include <infiniband/mlx5dv.h> 16 #include <infiniband/verbs.h> 17 #ifdef PEDANTIC 18 #pragma GCC diagnostic error "-Wpedantic" 19 #endif 20 21 #include <rte_byteorder.h> 22 23 #include "mlx5_autoconf.h" 24 25 #ifndef MLX5_GLUE_VERSION 26 #define MLX5_GLUE_VERSION "" 27 #endif 28 29 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42 30 struct ibv_counter_set; 31 struct ibv_counter_set_data; 32 struct ibv_counter_set_description; 33 struct ibv_counter_set_init_attr; 34 struct ibv_query_counter_set_attr; 35 #endif 36 37 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45 38 struct ibv_counters; 39 struct ibv_counters_init_attr; 40 struct ibv_counter_attach_attr; 41 #endif 42 43 #ifndef HAVE_IBV_DEVICE_TUNNEL_SUPPORT 44 struct mlx5dv_qp_init_attr; 45 #endif 46 47 #ifndef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT 48 struct mlx5dv_wq_init_attr; 49 #endif 50 51 #ifndef HAVE_IBV_FLOW_DV_SUPPORT 52 struct mlx5dv_flow_matcher; 53 struct mlx5dv_flow_matcher_attr; 54 struct mlx5dv_flow_action_attr; 55 struct mlx5dv_flow_match_parameters; 56 struct mlx5dv_dr_flow_meter_attr; 57 struct ibv_flow_action; 58 enum mlx5dv_flow_action_packet_reformat_type { packet_reformat_type = 0, }; 59 enum mlx5dv_flow_table_type { flow_table_type = 0, }; 60 #endif 61 62 #ifndef HAVE_IBV_FLOW_DEVX_COUNTERS 63 #define MLX5DV_FLOW_ACTION_COUNTERS_DEVX 0 64 #endif 65 66 #ifndef HAVE_IBV_DEVX_OBJ 67 struct mlx5dv_devx_obj; 68 struct mlx5dv_devx_umem { uint32_t umem_id; }; 69 struct mlx5dv_devx_uar { void *reg_addr; void *base_addr; uint32_t page_id; }; 70 #endif 71 72 #ifndef HAVE_IBV_DEVX_ASYNC 73 struct mlx5dv_devx_cmd_comp; 74 struct mlx5dv_devx_async_cmd_hdr; 75 #endif 76 77 #ifndef HAVE_MLX5DV_DR 78 enum mlx5dv_dr_domain_type { unused, }; 79 struct mlx5dv_dr_domain; 80 struct mlx5dv_dr_action; 81 #endif 82 83 #ifndef HAVE_MLX5DV_DR_DEVX_PORT 84 struct mlx5dv_devx_port; 85 #endif 86 87 #ifndef HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER 88 struct mlx5dv_dr_flow_meter_attr; 89 #endif 90 91 #ifndef HAVE_MLX5_DR_CREATE_ACTION_FLOW_SAMPLE 92 struct mlx5dv_dr_flow_sampler_attr { 93 uint32_t sample_ratio; 94 void *default_next_table; 95 size_t num_sample_actions; 96 struct mlx5dv_dr_action **sample_actions; 97 uint64_t action; 98 }; 99 #endif 100 101 #ifndef HAVE_MLX5_DR_CREATE_ACTION_DEST_ARRAY 102 enum mlx5dv_dr_action_dest_type { 103 MLX5DV_DR_ACTION_DEST, 104 MLX5DV_DR_ACTION_DEST_REFORMAT, 105 }; 106 struct mlx5dv_dr_action_dest_reformat { 107 struct mlx5dv_dr_action *reformat; 108 struct mlx5dv_dr_action *dest; 109 }; 110 struct mlx5dv_dr_action_dest_attr { 111 enum mlx5dv_dr_action_dest_type type; 112 union { 113 struct mlx5dv_dr_action *dest; 114 struct mlx5dv_dr_action_dest_reformat *dest_reformat; 115 }; 116 }; 117 #endif 118 119 #ifndef HAVE_IBV_DEVX_EVENT 120 struct mlx5dv_devx_event_channel { int fd; }; 121 struct mlx5dv_devx_async_event_hdr; 122 #define MLX5DV_DEVX_CREATE_EVENT_CHANNEL_FLAGS_OMIT_EV_DATA 1 123 #endif 124 125 #ifndef HAVE_IBV_VAR 126 struct mlx5dv_var { uint32_t page_id; uint32_t length; off_t mmap_off; 127 uint64_t comp_mask; }; 128 #endif 129 130 #ifndef HAVE_IBV_RELAXED_ORDERING 131 #define IBV_ACCESS_RELAXED_ORDERING 0 132 #endif 133 134 /* LIB_GLUE_VERSION must be updated every time this structure is modified. */ 135 struct mlx5_glue { 136 const char *version; 137 int (*fork_init)(void); 138 struct ibv_pd *(*alloc_pd)(struct ibv_context *context); 139 int (*dealloc_pd)(struct ibv_pd *pd); 140 struct ibv_device **(*get_device_list)(int *num_devices); 141 void (*free_device_list)(struct ibv_device **list); 142 struct ibv_context *(*open_device)(struct ibv_device *device); 143 int (*close_device)(struct ibv_context *context); 144 int (*query_device)(struct ibv_context *context, 145 struct ibv_device_attr *device_attr); 146 int (*query_device_ex)(struct ibv_context *context, 147 const struct ibv_query_device_ex_input *input, 148 struct ibv_device_attr_ex *attr); 149 int (*query_rt_values_ex)(struct ibv_context *context, 150 struct ibv_values_ex *values); 151 int (*query_port)(struct ibv_context *context, uint8_t port_num, 152 struct ibv_port_attr *port_attr); 153 struct ibv_comp_channel *(*create_comp_channel) 154 (struct ibv_context *context); 155 int (*destroy_comp_channel)(struct ibv_comp_channel *channel); 156 struct ibv_cq *(*create_cq)(struct ibv_context *context, int cqe, 157 void *cq_context, 158 struct ibv_comp_channel *channel, 159 int comp_vector); 160 int (*destroy_cq)(struct ibv_cq *cq); 161 int (*get_cq_event)(struct ibv_comp_channel *channel, 162 struct ibv_cq **cq, void **cq_context); 163 void (*ack_cq_events)(struct ibv_cq *cq, unsigned int nevents); 164 struct ibv_rwq_ind_table *(*create_rwq_ind_table) 165 (struct ibv_context *context, 166 struct ibv_rwq_ind_table_init_attr *init_attr); 167 int (*destroy_rwq_ind_table)(struct ibv_rwq_ind_table *rwq_ind_table); 168 struct ibv_wq *(*create_wq)(struct ibv_context *context, 169 struct ibv_wq_init_attr *wq_init_attr); 170 int (*destroy_wq)(struct ibv_wq *wq); 171 int (*modify_wq)(struct ibv_wq *wq, struct ibv_wq_attr *wq_attr); 172 struct ibv_flow *(*create_flow)(struct ibv_qp *qp, 173 struct ibv_flow_attr *flow); 174 int (*destroy_flow)(struct ibv_flow *flow_id); 175 int (*destroy_flow_action)(void *action); 176 struct ibv_qp *(*create_qp)(struct ibv_pd *pd, 177 struct ibv_qp_init_attr *qp_init_attr); 178 struct ibv_qp *(*create_qp_ex) 179 (struct ibv_context *context, 180 struct ibv_qp_init_attr_ex *qp_init_attr_ex); 181 int (*destroy_qp)(struct ibv_qp *qp); 182 int (*modify_qp)(struct ibv_qp *qp, struct ibv_qp_attr *attr, 183 int attr_mask); 184 struct ibv_mr *(*reg_mr)(struct ibv_pd *pd, void *addr, 185 size_t length, int access); 186 struct ibv_mr *(*alloc_null_mr)(struct ibv_pd *pd); 187 int (*dereg_mr)(struct ibv_mr *mr); 188 struct ibv_counter_set *(*create_counter_set) 189 (struct ibv_context *context, 190 struct ibv_counter_set_init_attr *init_attr); 191 int (*destroy_counter_set)(struct ibv_counter_set *cs); 192 int (*describe_counter_set) 193 (struct ibv_context *context, 194 uint16_t counter_set_id, 195 struct ibv_counter_set_description *cs_desc); 196 int (*query_counter_set)(struct ibv_query_counter_set_attr *query_attr, 197 struct ibv_counter_set_data *cs_data); 198 struct ibv_counters *(*create_counters) 199 (struct ibv_context *context, 200 struct ibv_counters_init_attr *init_attr); 201 int (*destroy_counters)(struct ibv_counters *counters); 202 int (*attach_counters)(struct ibv_counters *counters, 203 struct ibv_counter_attach_attr *attr, 204 struct ibv_flow *flow); 205 int (*query_counters)(struct ibv_counters *counters, 206 uint64_t *counters_value, 207 uint32_t ncounters, 208 uint32_t flags); 209 void (*ack_async_event)(struct ibv_async_event *event); 210 int (*get_async_event)(struct ibv_context *context, 211 struct ibv_async_event *event); 212 const char *(*port_state_str)(enum ibv_port_state port_state); 213 struct ibv_cq *(*cq_ex_to_cq)(struct ibv_cq_ex *cq); 214 void *(*dr_create_flow_action_dest_flow_tbl)(void *tbl); 215 void *(*dr_create_flow_action_dest_port)(void *domain, 216 uint32_t port); 217 void *(*dr_create_flow_action_drop)(void); 218 void *(*dr_create_flow_action_push_vlan) 219 (struct mlx5dv_dr_domain *domain, 220 rte_be32_t vlan_tag); 221 void *(*dr_create_flow_action_pop_vlan)(void); 222 void *(*dr_create_flow_tbl)(void *domain, uint32_t level); 223 int (*dr_destroy_flow_tbl)(void *tbl); 224 void *(*dr_create_domain)(struct ibv_context *ctx, 225 enum mlx5dv_dr_domain_type domain); 226 int (*dr_destroy_domain)(void *domain); 227 struct ibv_cq_ex *(*dv_create_cq) 228 (struct ibv_context *context, 229 struct ibv_cq_init_attr_ex *cq_attr, 230 struct mlx5dv_cq_init_attr *mlx5_cq_attr); 231 struct ibv_wq *(*dv_create_wq) 232 (struct ibv_context *context, 233 struct ibv_wq_init_attr *wq_attr, 234 struct mlx5dv_wq_init_attr *mlx5_wq_attr); 235 int (*dv_query_device)(struct ibv_context *ctx_in, 236 struct mlx5dv_context *attrs_out); 237 int (*dv_set_context_attr)(struct ibv_context *ibv_ctx, 238 enum mlx5dv_set_ctx_attr_type type, 239 void *attr); 240 int (*dv_init_obj)(struct mlx5dv_obj *obj, uint64_t obj_type); 241 struct ibv_qp *(*dv_create_qp) 242 (struct ibv_context *context, 243 struct ibv_qp_init_attr_ex *qp_init_attr_ex, 244 struct mlx5dv_qp_init_attr *dv_qp_init_attr); 245 void *(*dv_create_flow_matcher) 246 (struct ibv_context *context, 247 struct mlx5dv_flow_matcher_attr *matcher_attr, 248 void *tbl); 249 void *(*dv_create_flow)(void *matcher, void *match_value, 250 size_t num_actions, void *actions[]); 251 void *(*dv_create_flow_action_counter)(void *obj, uint32_t offset); 252 void *(*dv_create_flow_action_dest_ibv_qp)(void *qp); 253 void *(*dv_create_flow_action_dest_devx_tir)(void *tir); 254 void *(*dv_create_flow_action_modify_header) 255 (struct ibv_context *ctx, enum mlx5dv_flow_table_type ft_type, 256 void *domain, uint64_t flags, size_t actions_sz, 257 uint64_t actions[]); 258 void *(*dv_create_flow_action_packet_reformat) 259 (struct ibv_context *ctx, 260 enum mlx5dv_flow_action_packet_reformat_type reformat_type, 261 enum mlx5dv_flow_table_type ft_type, 262 struct mlx5dv_dr_domain *domain, 263 uint32_t flags, size_t data_sz, void *data); 264 void *(*dv_create_flow_action_tag)(uint32_t tag); 265 void *(*dv_create_flow_action_meter) 266 (struct mlx5dv_dr_flow_meter_attr *attr); 267 int (*dv_modify_flow_action_meter)(void *action, 268 struct mlx5dv_dr_flow_meter_attr *attr, uint64_t modify_bits); 269 void *(*dr_create_flow_action_default_miss)(void); 270 int (*dv_destroy_flow)(void *flow); 271 int (*dv_destroy_flow_matcher)(void *matcher); 272 struct ibv_context *(*dv_open_device)(struct ibv_device *device); 273 struct mlx5dv_var *(*dv_alloc_var)(struct ibv_context *context, 274 uint32_t flags); 275 void (*dv_free_var)(struct mlx5dv_var *var); 276 struct mlx5dv_devx_uar *(*devx_alloc_uar)(struct ibv_context *context, 277 uint32_t flags); 278 void (*devx_free_uar)(struct mlx5dv_devx_uar *devx_uar); 279 struct mlx5dv_devx_obj *(*devx_obj_create) 280 (struct ibv_context *ctx, 281 const void *in, size_t inlen, 282 void *out, size_t outlen); 283 int (*devx_obj_destroy)(struct mlx5dv_devx_obj *obj); 284 int (*devx_obj_query)(struct mlx5dv_devx_obj *obj, 285 const void *in, size_t inlen, 286 void *out, size_t outlen); 287 int (*devx_obj_modify)(struct mlx5dv_devx_obj *obj, 288 const void *in, size_t inlen, 289 void *out, size_t outlen); 290 int (*devx_general_cmd)(struct ibv_context *context, 291 const void *in, size_t inlen, 292 void *out, size_t outlen); 293 struct mlx5dv_devx_cmd_comp *(*devx_create_cmd_comp) 294 (struct ibv_context *context); 295 void (*devx_destroy_cmd_comp)(struct mlx5dv_devx_cmd_comp *cmd_comp); 296 int (*devx_obj_query_async)(struct mlx5dv_devx_obj *obj, 297 const void *in, size_t inlen, 298 size_t outlen, uint64_t wr_id, 299 struct mlx5dv_devx_cmd_comp *cmd_comp); 300 int (*devx_get_async_cmd_comp)(struct mlx5dv_devx_cmd_comp *cmd_comp, 301 struct mlx5dv_devx_async_cmd_hdr *resp, 302 size_t cmd_resp_len); 303 struct mlx5dv_devx_umem *(*devx_umem_reg)(struct ibv_context *context, 304 void *addr, size_t size, 305 uint32_t access); 306 int (*devx_umem_dereg)(struct mlx5dv_devx_umem *dv_devx_umem); 307 int (*devx_qp_query)(struct ibv_qp *qp, 308 const void *in, size_t inlen, 309 void *out, size_t outlen); 310 int (*devx_port_query)(struct ibv_context *ctx, 311 uint32_t port_num, 312 struct mlx5dv_devx_port *mlx5_devx_port); 313 int (*dr_dump_domain)(FILE *file, void *domain); 314 int (*devx_query_eqn)(struct ibv_context *context, uint32_t cpus, 315 uint32_t *eqn); 316 struct mlx5dv_devx_event_channel *(*devx_create_event_channel) 317 (struct ibv_context *context, int flags); 318 void (*devx_destroy_event_channel) 319 (struct mlx5dv_devx_event_channel *event_channel); 320 int (*devx_subscribe_devx_event) 321 (struct mlx5dv_devx_event_channel *event_channel, 322 struct mlx5dv_devx_obj *obj, 323 uint16_t events_sz, 324 uint16_t events_num[], 325 uint64_t cookie); 326 int (*devx_subscribe_devx_event_fd) 327 (struct mlx5dv_devx_event_channel *event_channel, 328 int fd, 329 struct mlx5dv_devx_obj *obj, 330 uint16_t event_num); 331 ssize_t (*devx_get_event) 332 (struct mlx5dv_devx_event_channel *event_channel, 333 struct mlx5dv_devx_async_event_hdr *event_data, 334 size_t event_resp_len); 335 void (*dr_reclaim_domain_memory)(void *domain, uint32_t enable); 336 struct mlx5dv_pp *(*dv_alloc_pp)(struct ibv_context *context, 337 size_t pp_context_sz, 338 const void *pp_context, 339 uint32_t flags); 340 void (*dv_free_pp)(struct mlx5dv_pp *pp); 341 void *(*dr_create_flow_action_sampler) 342 (struct mlx5dv_dr_flow_sampler_attr *attr); 343 void *(*dr_create_flow_action_dest_array) 344 (void *domain, 345 size_t num_dest, 346 struct mlx5dv_dr_action_dest_attr *dests[]); 347 }; 348 349 extern const struct mlx5_glue *mlx5_glue; 350 351 #endif /* MLX5_GLUE_H_ */ 352