1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2015 - 2020 Intel Corporation */ 3 #ifndef IRDMA_USER_H 4 #define IRDMA_USER_H 5 6 #define irdma_handle void * 7 #define irdma_adapter_handle irdma_handle 8 #define irdma_qp_handle irdma_handle 9 #define irdma_cq_handle irdma_handle 10 #define irdma_pd_id irdma_handle 11 #define irdma_stag_handle irdma_handle 12 #define irdma_stag_index u32 13 #define irdma_stag u32 14 #define irdma_stag_key u8 15 #define irdma_tagged_offset u64 16 #define irdma_access_privileges u32 17 #define irdma_physical_fragment u64 18 #define irdma_address_list u64 * 19 20 #define IRDMA_MAX_MR_SIZE 0x200000000000ULL 21 22 #define IRDMA_ACCESS_FLAGS_LOCALREAD 0x01 23 #define IRDMA_ACCESS_FLAGS_LOCALWRITE 0x02 24 #define IRDMA_ACCESS_FLAGS_REMOTEREAD_ONLY 0x04 25 #define IRDMA_ACCESS_FLAGS_REMOTEREAD 0x05 26 #define IRDMA_ACCESS_FLAGS_REMOTEWRITE_ONLY 0x08 27 #define IRDMA_ACCESS_FLAGS_REMOTEWRITE 0x0a 28 #define IRDMA_ACCESS_FLAGS_BIND_WINDOW 0x10 29 #define IRDMA_ACCESS_FLAGS_ZERO_BASED 0x20 30 #define IRDMA_ACCESS_FLAGS_ALL 0x3f 31 32 #define IRDMA_OP_TYPE_RDMA_WRITE 0x00 33 #define IRDMA_OP_TYPE_RDMA_READ 0x01 34 #define IRDMA_OP_TYPE_SEND 0x03 35 #define IRDMA_OP_TYPE_SEND_INV 0x04 36 #define IRDMA_OP_TYPE_SEND_SOL 0x05 37 #define IRDMA_OP_TYPE_SEND_SOL_INV 0x06 38 #define IRDMA_OP_TYPE_RDMA_WRITE_SOL 0x0d 39 #define IRDMA_OP_TYPE_BIND_MW 0x08 40 #define IRDMA_OP_TYPE_FAST_REG_NSMR 0x09 41 #define IRDMA_OP_TYPE_INV_STAG 0x0a 42 #define IRDMA_OP_TYPE_RDMA_READ_INV_STAG 0x0b 43 #define IRDMA_OP_TYPE_NOP 0x0c 44 #define IRDMA_OP_TYPE_REC 0x3e 45 #define IRDMA_OP_TYPE_REC_IMM 0x3f 46 47 #define IRDMA_FLUSH_MAJOR_ERR 1 48 49 enum irdma_device_caps_const { 50 IRDMA_WQE_SIZE = 4, 51 IRDMA_CQP_WQE_SIZE = 8, 52 IRDMA_CQE_SIZE = 4, 53 IRDMA_EXTENDED_CQE_SIZE = 8, 54 IRDMA_AEQE_SIZE = 2, 55 IRDMA_CEQE_SIZE = 1, 56 IRDMA_CQP_CTX_SIZE = 8, 57 IRDMA_SHADOW_AREA_SIZE = 8, 58 IRDMA_QUERY_FPM_BUF_SIZE = 176, 59 IRDMA_COMMIT_FPM_BUF_SIZE = 176, 60 IRDMA_GATHER_STATS_BUF_SIZE = 1024, 61 IRDMA_MIN_IW_QP_ID = 0, 62 IRDMA_MAX_IW_QP_ID = 262143, 63 IRDMA_MIN_CEQID = 0, 64 IRDMA_MAX_CEQID = 1023, 65 IRDMA_CEQ_MAX_COUNT = IRDMA_MAX_CEQID + 1, 66 IRDMA_MIN_CQID = 0, 67 IRDMA_MAX_CQID = 524287, 68 IRDMA_MIN_AEQ_ENTRIES = 1, 69 IRDMA_MAX_AEQ_ENTRIES = 524287, 70 IRDMA_MIN_CEQ_ENTRIES = 1, 71 IRDMA_MAX_CEQ_ENTRIES = 262143, 72 IRDMA_MIN_CQ_SIZE = 1, 73 IRDMA_MAX_CQ_SIZE = 1048575, 74 IRDMA_DB_ID_ZERO = 0, 75 IRDMA_MAX_WQ_FRAGMENT_COUNT = 13, 76 IRDMA_MAX_SGE_RD = 13, 77 IRDMA_MAX_OUTBOUND_MSG_SIZE = 2147483647, 78 IRDMA_MAX_INBOUND_MSG_SIZE = 2147483647, 79 IRDMA_MAX_PUSH_PAGE_COUNT = 1024, 80 IRDMA_MAX_PE_ENA_VF_COUNT = 32, 81 IRDMA_MAX_VF_FPM_ID = 47, 82 IRDMA_MAX_SQ_PAYLOAD_SIZE = 2145386496, 83 IRDMA_MAX_INLINE_DATA_SIZE = 101, 84 IRDMA_MAX_WQ_ENTRIES = 32768, 85 IRDMA_Q2_BUF_SIZE = 256, 86 IRDMA_QP_CTX_SIZE = 256, 87 IRDMA_MAX_PDS = 262144, 88 IRDMA_MIN_WQ_SIZE_GEN2 = 8, 89 }; 90 91 enum irdma_addressing_type { 92 IRDMA_ADDR_TYPE_ZERO_BASED = 0, 93 IRDMA_ADDR_TYPE_VA_BASED = 1, 94 }; 95 96 enum irdma_flush_opcode { 97 FLUSH_INVALID = 0, 98 FLUSH_GENERAL_ERR, 99 FLUSH_PROT_ERR, 100 FLUSH_REM_ACCESS_ERR, 101 FLUSH_LOC_QP_OP_ERR, 102 FLUSH_REM_OP_ERR, 103 FLUSH_LOC_LEN_ERR, 104 FLUSH_FATAL_ERR, 105 FLUSH_RETRY_EXC_ERR, 106 FLUSH_MW_BIND_ERR, 107 FLUSH_REM_INV_REQ_ERR, 108 }; 109 110 enum irdma_cmpl_status { 111 IRDMA_COMPL_STATUS_SUCCESS = 0, 112 IRDMA_COMPL_STATUS_FLUSHED, 113 IRDMA_COMPL_STATUS_INVALID_WQE, 114 IRDMA_COMPL_STATUS_QP_CATASTROPHIC, 115 IRDMA_COMPL_STATUS_REMOTE_TERMINATION, 116 IRDMA_COMPL_STATUS_INVALID_STAG, 117 IRDMA_COMPL_STATUS_BASE_BOUND_VIOLATION, 118 IRDMA_COMPL_STATUS_ACCESS_VIOLATION, 119 IRDMA_COMPL_STATUS_INVALID_PD_ID, 120 IRDMA_COMPL_STATUS_WRAP_ERROR, 121 IRDMA_COMPL_STATUS_STAG_INVALID_PDID, 122 IRDMA_COMPL_STATUS_RDMA_READ_ZERO_ORD, 123 IRDMA_COMPL_STATUS_QP_NOT_PRIVLEDGED, 124 IRDMA_COMPL_STATUS_STAG_NOT_INVALID, 125 IRDMA_COMPL_STATUS_INVALID_PHYS_BUF_SIZE, 126 IRDMA_COMPL_STATUS_INVALID_PHYS_BUF_ENTRY, 127 IRDMA_COMPL_STATUS_INVALID_FBO, 128 IRDMA_COMPL_STATUS_INVALID_LEN, 129 IRDMA_COMPL_STATUS_INVALID_ACCESS, 130 IRDMA_COMPL_STATUS_PHYS_BUF_LIST_TOO_LONG, 131 IRDMA_COMPL_STATUS_INVALID_VIRT_ADDRESS, 132 IRDMA_COMPL_STATUS_INVALID_REGION, 133 IRDMA_COMPL_STATUS_INVALID_WINDOW, 134 IRDMA_COMPL_STATUS_INVALID_TOTAL_LEN, 135 IRDMA_COMPL_STATUS_UNKNOWN, 136 }; 137 138 enum irdma_cmpl_notify { 139 IRDMA_CQ_COMPL_EVENT = 0, 140 IRDMA_CQ_COMPL_SOLICITED = 1, 141 }; 142 143 enum irdma_qp_caps { 144 IRDMA_WRITE_WITH_IMM = 1, 145 IRDMA_SEND_WITH_IMM = 2, 146 IRDMA_ROCE = 4, 147 IRDMA_PUSH_MODE = 8, 148 }; 149 150 struct irdma_qp_uk; 151 struct irdma_cq_uk; 152 struct irdma_qp_uk_init_info; 153 struct irdma_cq_uk_init_info; 154 155 struct irdma_ring { 156 u32 head; 157 u32 tail; 158 u32 size; 159 }; 160 161 struct irdma_cqe { 162 __le64 buf[IRDMA_CQE_SIZE]; 163 }; 164 165 struct irdma_extended_cqe { 166 __le64 buf[IRDMA_EXTENDED_CQE_SIZE]; 167 }; 168 169 struct irdma_post_send { 170 struct ib_sge *sg_list; 171 u32 num_sges; 172 u32 qkey; 173 u32 dest_qp; 174 u32 ah_id; 175 }; 176 177 struct irdma_post_rq_info { 178 u64 wr_id; 179 struct ib_sge *sg_list; 180 u32 num_sges; 181 }; 182 183 struct irdma_rdma_write { 184 struct ib_sge *lo_sg_list; 185 u32 num_lo_sges; 186 struct ib_sge rem_addr; 187 }; 188 189 struct irdma_rdma_read { 190 struct ib_sge *lo_sg_list; 191 u32 num_lo_sges; 192 struct ib_sge rem_addr; 193 }; 194 195 struct irdma_bind_window { 196 irdma_stag mr_stag; 197 u64 bind_len; 198 void *va; 199 enum irdma_addressing_type addressing_type; 200 bool ena_reads:1; 201 bool ena_writes:1; 202 irdma_stag mw_stag; 203 bool mem_window_type_1:1; 204 }; 205 206 struct irdma_inv_local_stag { 207 irdma_stag target_stag; 208 }; 209 210 struct irdma_post_sq_info { 211 u64 wr_id; 212 u8 op_type; 213 u8 l4len; 214 bool signaled:1; 215 bool read_fence:1; 216 bool local_fence:1; 217 bool inline_data:1; 218 bool imm_data_valid:1; 219 bool report_rtt:1; 220 bool udp_hdr:1; 221 bool defer_flag:1; 222 u32 imm_data; 223 u32 stag_to_inv; 224 union { 225 struct irdma_post_send send; 226 struct irdma_rdma_write rdma_write; 227 struct irdma_rdma_read rdma_read; 228 struct irdma_bind_window bind_window; 229 struct irdma_inv_local_stag inv_local_stag; 230 } op; 231 }; 232 233 struct irdma_cq_poll_info { 234 u64 wr_id; 235 irdma_qp_handle qp_handle; 236 u32 bytes_xfered; 237 u32 tcp_seq_num_rtt; 238 u32 qp_id; 239 u32 ud_src_qpn; 240 u32 imm_data; 241 irdma_stag inv_stag; /* or L_R_Key */ 242 enum irdma_cmpl_status comp_status; 243 u16 major_err; 244 u16 minor_err; 245 u16 ud_vlan; 246 u8 ud_smac[6]; 247 u8 op_type; 248 u8 q_type; 249 bool stag_invalid_set:1; /* or L_R_Key set */ 250 bool error:1; 251 bool solicited_event:1; 252 bool ipv4:1; 253 bool ud_vlan_valid:1; 254 bool ud_smac_valid:1; 255 bool imm_valid:1; 256 }; 257 258 int irdma_uk_inline_rdma_write(struct irdma_qp_uk *qp, 259 struct irdma_post_sq_info *info, bool post_sq); 260 int irdma_uk_inline_send(struct irdma_qp_uk *qp, 261 struct irdma_post_sq_info *info, bool post_sq); 262 int irdma_uk_post_nop(struct irdma_qp_uk *qp, u64 wr_id, bool signaled, 263 bool post_sq); 264 int irdma_uk_post_receive(struct irdma_qp_uk *qp, 265 struct irdma_post_rq_info *info); 266 void irdma_uk_qp_post_wr(struct irdma_qp_uk *qp); 267 int irdma_uk_rdma_read(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info, 268 bool inv_stag, bool post_sq); 269 int irdma_uk_rdma_write(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info, 270 bool post_sq); 271 int irdma_uk_send(struct irdma_qp_uk *qp, struct irdma_post_sq_info *info, 272 bool post_sq); 273 int irdma_uk_stag_local_invalidate(struct irdma_qp_uk *qp, 274 struct irdma_post_sq_info *info, 275 bool post_sq); 276 277 struct irdma_wqe_uk_ops { 278 void (*iw_copy_inline_data)(u8 *dest, struct ib_sge *sge_list, 279 u32 num_sges, u8 polarity); 280 u16 (*iw_inline_data_size_to_quanta)(u32 data_size); 281 void (*iw_set_fragment)(__le64 *wqe, u32 offset, struct ib_sge *sge, 282 u8 valid); 283 void (*iw_set_mw_bind_wqe)(__le64 *wqe, 284 struct irdma_bind_window *op_info); 285 }; 286 287 int irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq, 288 struct irdma_cq_poll_info *info); 289 void irdma_uk_cq_request_notification(struct irdma_cq_uk *cq, 290 enum irdma_cmpl_notify cq_notify); 291 void irdma_uk_cq_resize(struct irdma_cq_uk *cq, void *cq_base, int size); 292 void irdma_uk_cq_set_resized_cnt(struct irdma_cq_uk *qp, u16 cnt); 293 void irdma_uk_cq_init(struct irdma_cq_uk *cq, 294 struct irdma_cq_uk_init_info *info); 295 int irdma_uk_qp_init(struct irdma_qp_uk *qp, 296 struct irdma_qp_uk_init_info *info); 297 void irdma_uk_calc_shift_wq(struct irdma_qp_uk_init_info *ukinfo, u8 *sq_shift, 298 u8 *rq_shift); 299 int irdma_uk_calc_depth_shift_sq(struct irdma_qp_uk_init_info *ukinfo, 300 u32 *sq_depth, u8 *sq_shift); 301 int irdma_uk_calc_depth_shift_rq(struct irdma_qp_uk_init_info *ukinfo, 302 u32 *rq_depth, u8 *rq_shift); 303 struct irdma_sq_uk_wr_trk_info { 304 u64 wrid; 305 u32 wr_len; 306 u16 quanta; 307 u8 reserved[2]; 308 }; 309 310 struct irdma_qp_quanta { 311 __le64 elem[IRDMA_WQE_SIZE]; 312 }; 313 314 struct irdma_qp_uk { 315 struct irdma_qp_quanta *sq_base; 316 struct irdma_qp_quanta *rq_base; 317 struct irdma_uk_attrs *uk_attrs; 318 u32 __iomem *wqe_alloc_db; 319 struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array; 320 u64 *rq_wrid_array; 321 __le64 *shadow_area; 322 struct irdma_ring sq_ring; 323 struct irdma_ring rq_ring; 324 struct irdma_ring initial_ring; 325 u32 qp_id; 326 u32 qp_caps; 327 u32 sq_size; 328 u32 rq_size; 329 u32 max_sq_frag_cnt; 330 u32 max_rq_frag_cnt; 331 u32 max_inline_data; 332 struct irdma_wqe_uk_ops wqe_ops; 333 u16 conn_wqes; 334 u8 qp_type; 335 u8 swqe_polarity; 336 u8 swqe_polarity_deferred; 337 u8 rwqe_polarity; 338 u8 rq_wqe_size; 339 u8 rq_wqe_size_multiplier; 340 bool deferred_flag:1; 341 bool first_sq_wq:1; 342 bool sq_flush_complete:1; /* Indicates flush was seen and SQ was empty after the flush */ 343 bool rq_flush_complete:1; /* Indicates flush was seen and RQ was empty after the flush */ 344 bool destroy_pending:1; /* Indicates the QP is being destroyed */ 345 void *back_qp; 346 u8 dbg_rq_flushed; 347 u8 sq_flush_seen; 348 u8 rq_flush_seen; 349 }; 350 351 struct irdma_cq_uk { 352 struct irdma_cqe *cq_base; 353 u32 __iomem *cqe_alloc_db; 354 u32 __iomem *cq_ack_db; 355 __le64 *shadow_area; 356 u32 cq_id; 357 u32 cq_size; 358 struct irdma_ring cq_ring; 359 u8 polarity; 360 bool avoid_mem_cflct:1; 361 }; 362 363 struct irdma_qp_uk_init_info { 364 struct irdma_qp_quanta *sq; 365 struct irdma_qp_quanta *rq; 366 struct irdma_uk_attrs *uk_attrs; 367 u32 __iomem *wqe_alloc_db; 368 __le64 *shadow_area; 369 struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array; 370 u64 *rq_wrid_array; 371 u32 qp_id; 372 u32 qp_caps; 373 u32 sq_size; 374 u32 rq_size; 375 u32 max_sq_frag_cnt; 376 u32 max_rq_frag_cnt; 377 u32 max_inline_data; 378 u32 sq_depth; 379 u32 rq_depth; 380 u8 first_sq_wq; 381 u8 type; 382 u8 sq_shift; 383 u8 rq_shift; 384 int abi_ver; 385 bool legacy_mode; 386 }; 387 388 struct irdma_cq_uk_init_info { 389 u32 __iomem *cqe_alloc_db; 390 u32 __iomem *cq_ack_db; 391 struct irdma_cqe *cq_base; 392 __le64 *shadow_area; 393 u32 cq_size; 394 u32 cq_id; 395 bool avoid_mem_cflct; 396 }; 397 398 __le64 *irdma_qp_get_next_send_wqe(struct irdma_qp_uk *qp, u32 *wqe_idx, 399 u16 quanta, u32 total_size, 400 struct irdma_post_sq_info *info); 401 __le64 *irdma_qp_get_next_recv_wqe(struct irdma_qp_uk *qp, u32 *wqe_idx); 402 void irdma_uk_clean_cq(void *q, struct irdma_cq_uk *cq); 403 int irdma_nop(struct irdma_qp_uk *qp, u64 wr_id, bool signaled, bool post_sq); 404 int irdma_fragcnt_to_quanta_sq(u32 frag_cnt, u16 *quanta); 405 int irdma_fragcnt_to_wqesize_rq(u32 frag_cnt, u16 *wqe_size); 406 void irdma_get_wqe_shift(struct irdma_uk_attrs *uk_attrs, u32 sge, 407 u32 inline_data, u8 *shift); 408 int irdma_get_sqdepth(struct irdma_uk_attrs *uk_attrs, u32 sq_size, u8 shift, 409 u32 *wqdepth); 410 int irdma_get_rqdepth(struct irdma_uk_attrs *uk_attrs, u32 rq_size, u8 shift, 411 u32 *wqdepth); 412 void irdma_clr_wqes(struct irdma_qp_uk *qp, u32 qp_wqe_idx); 413 #endif /* IRDMA_USER_H */ 414