| 1 | /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
| 2 | /* |
| 3 | * Copyright (c) 2013-2020, Mellanox Technologies inc. All rights reserved. |
| 4 | * Copyright (c) 2020, Intel Corporation. All rights reserved. |
| 5 | */ |
| 6 | |
| 7 | #ifndef MLX5_IB_H |
| 8 | #define MLX5_IB_H |
| 9 | |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/sched.h> |
| 12 | #include <rdma/ib_verbs.h> |
| 13 | #include <rdma/ib_umem.h> |
| 14 | #include <rdma/ib_smi.h> |
| 15 | #include <linux/mlx5/driver.h> |
| 16 | #include <linux/mlx5/cq.h> |
| 17 | #include <linux/mlx5/fs.h> |
| 18 | #include <linux/mlx5/qp.h> |
| 19 | #include <linux/types.h> |
| 20 | #include <linux/mlx5/transobj.h> |
| 21 | #include <rdma/ib_user_verbs.h> |
| 22 | #include <rdma/mlx5-abi.h> |
| 23 | #include <rdma/uverbs_ioctl.h> |
| 24 | #include <rdma/mlx5_user_ioctl_cmds.h> |
| 25 | #include <rdma/mlx5_user_ioctl_verbs.h> |
| 26 | |
| 27 | #include "srq.h" |
| 28 | #include "qp.h" |
| 29 | #include "macsec.h" |
| 30 | |
| 31 | #define mlx5_ib_dbg(_dev, format, arg...) \ |
| 32 | dev_dbg(&(_dev)->ib_dev.dev, "%s:%d:(pid %d): " format, __func__, \ |
| 33 | __LINE__, current->pid, ##arg) |
| 34 | |
| 35 | #define mlx5_ib_err(_dev, format, arg...) \ |
| 36 | dev_err(&(_dev)->ib_dev.dev, "%s:%d:(pid %d): " format, __func__, \ |
| 37 | __LINE__, current->pid, ##arg) |
| 38 | |
| 39 | #define mlx5_ib_warn(_dev, format, arg...) \ |
| 40 | dev_warn(&(_dev)->ib_dev.dev, "%s:%d:(pid %d): " format, __func__, \ |
| 41 | __LINE__, current->pid, ##arg) |
| 42 | |
| 43 | #define mlx5_ib_log(lvl, _dev, format, arg...) \ |
| 44 | dev_printk(lvl, &(_dev)->ib_dev.dev, "%s:%d:(pid %d): " format, \ |
| 45 | __func__, __LINE__, current->pid, ##arg) |
| 46 | |
| 47 | #define MLX5_IB_DEFAULT_UIDX 0xffffff |
| 48 | #define MLX5_USER_ASSIGNED_UIDX_MASK __mlx5_mask(qpc, user_index) |
| 49 | |
| 50 | static __always_inline unsigned long |
| 51 | __mlx5_log_page_size_to_bitmap(unsigned int log_pgsz_bits, |
| 52 | unsigned int pgsz_shift) |
| 53 | { |
| 54 | unsigned int largest_pg_shift = |
| 55 | min_t(unsigned long, (1ULL << log_pgsz_bits) - 1 + pgsz_shift, |
| 56 | BITS_PER_LONG - 1); |
| 57 | |
| 58 | /* |
| 59 | * Despite a command allowing it, the device does not support lower than |
| 60 | * 4k page size. |
| 61 | */ |
| 62 | pgsz_shift = max_t(unsigned int, MLX5_ADAPTER_PAGE_SHIFT, pgsz_shift); |
| 63 | return GENMASK(largest_pg_shift, pgsz_shift); |
| 64 | } |
| 65 | |
| 66 | static __always_inline unsigned long |
| 67 | __mlx5_page_offset_to_bitmask(unsigned int page_offset_bits, |
| 68 | unsigned int offset_shift) |
| 69 | { |
| 70 | unsigned int largest_offset_shift = |
| 71 | min_t(unsigned long, page_offset_bits - 1 + offset_shift, |
| 72 | BITS_PER_LONG - 1); |
| 73 | |
| 74 | return GENMASK(largest_offset_shift, offset_shift); |
| 75 | } |
| 76 | |
| 77 | /* |
| 78 | * QP/CQ/WQ/etc type commands take a page offset that satisifies: |
| 79 | * page_offset_quantized * (page_size/scale) = page_offset |
| 80 | * Which restricts allowed page sizes to ones that satisify the above. |
| 81 | */ |
| 82 | unsigned long __mlx5_umem_find_best_quantized_pgoff( |
| 83 | struct ib_umem *umem, unsigned long pgsz_bitmap, |
| 84 | unsigned int page_offset_bits, u64 pgoff_bitmask, unsigned int scale, |
| 85 | unsigned int *page_offset_quantized); |
| 86 | #define mlx5_umem_find_best_quantized_pgoff(umem, typ, log_pgsz_fld, \ |
| 87 | pgsz_shift, page_offset_fld, \ |
| 88 | scale, page_offset_quantized) \ |
| 89 | __mlx5_umem_find_best_quantized_pgoff( \ |
| 90 | umem, \ |
| 91 | __mlx5_log_page_size_to_bitmap( \ |
| 92 | __mlx5_bit_sz(typ, log_pgsz_fld), pgsz_shift), \ |
| 93 | __mlx5_bit_sz(typ, page_offset_fld), \ |
| 94 | GENMASK(31, order_base_2(scale)), scale, \ |
| 95 | page_offset_quantized) |
| 96 | |
| 97 | #define mlx5_umem_find_best_cq_quantized_pgoff(umem, typ, log_pgsz_fld, \ |
| 98 | pgsz_shift, page_offset_fld, \ |
| 99 | scale, page_offset_quantized) \ |
| 100 | __mlx5_umem_find_best_quantized_pgoff( \ |
| 101 | umem, \ |
| 102 | __mlx5_log_page_size_to_bitmap( \ |
| 103 | __mlx5_bit_sz(typ, log_pgsz_fld), pgsz_shift), \ |
| 104 | __mlx5_bit_sz(typ, page_offset_fld), 0, scale, \ |
| 105 | page_offset_quantized) |
| 106 | |
| 107 | enum { |
| 108 | MLX5_IB_MMAP_OFFSET_START = 9, |
| 109 | MLX5_IB_MMAP_OFFSET_END = 255, |
| 110 | }; |
| 111 | |
| 112 | enum { |
| 113 | MLX5_IB_MMAP_CMD_SHIFT = 8, |
| 114 | MLX5_IB_MMAP_CMD_MASK = 0xff, |
| 115 | }; |
| 116 | |
| 117 | enum { |
| 118 | MLX5_RES_SCAT_DATA32_CQE = 0x1, |
| 119 | MLX5_RES_SCAT_DATA64_CQE = 0x2, |
| 120 | MLX5_REQ_SCAT_DATA32_CQE = 0x11, |
| 121 | MLX5_REQ_SCAT_DATA64_CQE = 0x22, |
| 122 | }; |
| 123 | |
| 124 | enum mlx5_ib_mad_ifc_flags { |
| 125 | MLX5_MAD_IFC_IGNORE_MKEY = 1, |
| 126 | MLX5_MAD_IFC_IGNORE_BKEY = 2, |
| 127 | MLX5_MAD_IFC_NET_VIEW = 4, |
| 128 | }; |
| 129 | |
| 130 | enum { |
| 131 | MLX5_CROSS_CHANNEL_BFREG = 0, |
| 132 | }; |
| 133 | |
| 134 | enum { |
| 135 | MLX5_CQE_VERSION_V0, |
| 136 | MLX5_CQE_VERSION_V1, |
| 137 | }; |
| 138 | |
| 139 | enum { |
| 140 | MLX5_TM_MAX_RNDV_MSG_SIZE = 64, |
| 141 | MLX5_TM_MAX_SGE = 1, |
| 142 | }; |
| 143 | |
| 144 | enum { |
| 145 | MLX5_IB_INVALID_UAR_INDEX = BIT(31), |
| 146 | MLX5_IB_INVALID_BFREG = BIT(31), |
| 147 | }; |
| 148 | |
| 149 | enum { |
| 150 | MLX5_MAX_MEMIC_PAGES = 0x100, |
| 151 | MLX5_MEMIC_ALLOC_SIZE_MASK = 0x3f, |
| 152 | }; |
| 153 | |
| 154 | enum { |
| 155 | MLX5_MEMIC_BASE_ALIGN = 6, |
| 156 | MLX5_MEMIC_BASE_SIZE = 1 << MLX5_MEMIC_BASE_ALIGN, |
| 157 | }; |
| 158 | |
| 159 | enum mlx5_ib_mmap_type { |
| 160 | MLX5_IB_MMAP_TYPE_MEMIC = 1, |
| 161 | MLX5_IB_MMAP_TYPE_VAR = 2, |
| 162 | MLX5_IB_MMAP_TYPE_UAR_WC = 3, |
| 163 | MLX5_IB_MMAP_TYPE_UAR_NC = 4, |
| 164 | MLX5_IB_MMAP_TYPE_MEMIC_OP = 5, |
| 165 | }; |
| 166 | |
| 167 | struct mlx5_bfreg_info { |
| 168 | u32 *sys_pages; |
| 169 | int num_low_latency_bfregs; |
| 170 | unsigned int *count; |
| 171 | |
| 172 | /* |
| 173 | * protect bfreg allocation data structs |
| 174 | */ |
| 175 | struct mutex lock; |
| 176 | u32 ver; |
| 177 | u8 lib_uar_4k : 1; |
| 178 | u8 lib_uar_dyn : 1; |
| 179 | u32 num_sys_pages; |
| 180 | u32 num_static_sys_pages; |
| 181 | u32 total_num_bfregs; |
| 182 | u32 num_dyn_bfregs; |
| 183 | }; |
| 184 | |
| 185 | struct mlx5_ib_ucontext { |
| 186 | struct ib_ucontext ibucontext; |
| 187 | struct list_head db_page_list; |
| 188 | |
| 189 | /* protect doorbell record alloc/free |
| 190 | */ |
| 191 | struct mutex db_page_mutex; |
| 192 | struct mlx5_bfreg_info bfregi; |
| 193 | u8 cqe_version; |
| 194 | /* Transport Domain number */ |
| 195 | u32 tdn; |
| 196 | |
| 197 | u64 lib_caps; |
| 198 | u16 devx_uid; |
| 199 | /* For RoCE LAG TX affinity */ |
| 200 | atomic_t tx_port_affinity; |
| 201 | }; |
| 202 | |
| 203 | static inline struct mlx5_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) |
| 204 | { |
| 205 | return container_of(ibucontext, struct mlx5_ib_ucontext, ibucontext); |
| 206 | } |
| 207 | |
| 208 | struct mlx5_ib_pd { |
| 209 | struct ib_pd ibpd; |
| 210 | u32 pdn; |
| 211 | u16 uid; |
| 212 | }; |
| 213 | |
| 214 | enum { |
| 215 | , |
| 216 | MLX5_IB_FLOW_ACTION_PACKET_REFORMAT, |
| 217 | MLX5_IB_FLOW_ACTION_DECAP, |
| 218 | }; |
| 219 | |
| 220 | #define MLX5_IB_FLOW_MCAST_PRIO (MLX5_BY_PASS_NUM_PRIOS - 1) |
| 221 | #define MLX5_IB_FLOW_LAST_PRIO (MLX5_BY_PASS_NUM_REGULAR_PRIOS - 1) |
| 222 | #if (MLX5_IB_FLOW_LAST_PRIO <= 0) |
| 223 | #error "Invalid number of bypass priorities" |
| 224 | #endif |
| 225 | #define MLX5_IB_FLOW_LEFTOVERS_PRIO (MLX5_IB_FLOW_MCAST_PRIO + 1) |
| 226 | |
| 227 | #define MLX5_IB_NUM_FLOW_FT (MLX5_IB_FLOW_LEFTOVERS_PRIO + 1) |
| 228 | #define MLX5_IB_NUM_SNIFFER_FTS 2 |
| 229 | #define MLX5_IB_NUM_EGRESS_FTS 1 |
| 230 | #define MLX5_IB_NUM_FDB_FTS MLX5_BY_PASS_NUM_REGULAR_PRIOS |
| 231 | |
| 232 | struct mlx5_ib_anchor { |
| 233 | struct mlx5_flow_table *ft; |
| 234 | struct mlx5_flow_group *fg_goto_table; |
| 235 | struct mlx5_flow_group *fg_drop; |
| 236 | struct mlx5_flow_handle *rule_goto_table; |
| 237 | struct mlx5_flow_handle *rule_drop; |
| 238 | unsigned int rule_goto_table_ref; |
| 239 | }; |
| 240 | |
| 241 | struct mlx5_ib_flow_prio { |
| 242 | struct mlx5_flow_table *flow_table; |
| 243 | struct mlx5_ib_anchor anchor; |
| 244 | unsigned int refcount; |
| 245 | }; |
| 246 | |
| 247 | struct mlx5_ib_flow_handler { |
| 248 | struct list_head list; |
| 249 | struct ib_flow ibflow; |
| 250 | struct mlx5_ib_flow_prio *prio; |
| 251 | struct mlx5_flow_handle *rule; |
| 252 | struct ib_counters *ibcounters; |
| 253 | struct mlx5_ib_dev *dev; |
| 254 | struct mlx5_ib_flow_matcher *flow_matcher; |
| 255 | }; |
| 256 | |
| 257 | struct mlx5_ib_flow_matcher { |
| 258 | struct mlx5_ib_match_params matcher_mask; |
| 259 | int mask_len; |
| 260 | enum mlx5_ib_flow_type flow_type; |
| 261 | enum mlx5_flow_namespace_type ns_type; |
| 262 | u16 priority; |
| 263 | struct mlx5_core_dev *mdev; |
| 264 | atomic_t usecnt; |
| 265 | u8 match_criteria_enable; |
| 266 | u32 ib_port; |
| 267 | }; |
| 268 | |
| 269 | struct mlx5_ib_steering_anchor { |
| 270 | struct mlx5_ib_flow_prio *ft_prio; |
| 271 | struct mlx5_ib_dev *dev; |
| 272 | atomic_t usecnt; |
| 273 | }; |
| 274 | |
| 275 | struct mlx5_ib_pp { |
| 276 | u16 index; |
| 277 | struct mlx5_core_dev *mdev; |
| 278 | }; |
| 279 | |
| 280 | enum mlx5_ib_optional_counter_type { |
| 281 | MLX5_IB_OPCOUNTER_CC_RX_CE_PKTS, |
| 282 | MLX5_IB_OPCOUNTER_CC_RX_CNP_PKTS, |
| 283 | MLX5_IB_OPCOUNTER_CC_TX_CNP_PKTS, |
| 284 | MLX5_IB_OPCOUNTER_RDMA_TX_PACKETS, |
| 285 | MLX5_IB_OPCOUNTER_RDMA_TX_BYTES, |
| 286 | MLX5_IB_OPCOUNTER_RDMA_RX_PACKETS, |
| 287 | MLX5_IB_OPCOUNTER_RDMA_RX_BYTES, |
| 288 | |
| 289 | MLX5_IB_OPCOUNTER_CC_RX_CE_PKTS_PER_QP, |
| 290 | MLX5_IB_OPCOUNTER_CC_RX_CNP_PKTS_PER_QP, |
| 291 | MLX5_IB_OPCOUNTER_CC_TX_CNP_PKTS_PER_QP, |
| 292 | MLX5_IB_OPCOUNTER_RDMA_TX_PACKETS_PER_QP, |
| 293 | MLX5_IB_OPCOUNTER_RDMA_TX_BYTES_PER_QP, |
| 294 | MLX5_IB_OPCOUNTER_RDMA_RX_PACKETS_PER_QP, |
| 295 | MLX5_IB_OPCOUNTER_RDMA_RX_BYTES_PER_QP, |
| 296 | |
| 297 | MLX5_IB_OPCOUNTER_MAX, |
| 298 | }; |
| 299 | |
| 300 | struct mlx5_ib_flow_db { |
| 301 | struct mlx5_ib_flow_prio prios[MLX5_IB_NUM_FLOW_FT]; |
| 302 | struct mlx5_ib_flow_prio egress_prios[MLX5_IB_NUM_FLOW_FT]; |
| 303 | struct mlx5_ib_flow_prio sniffer[MLX5_IB_NUM_SNIFFER_FTS]; |
| 304 | struct mlx5_ib_flow_prio egress[MLX5_IB_NUM_EGRESS_FTS]; |
| 305 | struct mlx5_ib_flow_prio fdb[MLX5_IB_NUM_FDB_FTS]; |
| 306 | struct mlx5_ib_flow_prio rdma_rx[MLX5_IB_NUM_FLOW_FT]; |
| 307 | struct mlx5_ib_flow_prio rdma_tx[MLX5_IB_NUM_FLOW_FT]; |
| 308 | struct mlx5_ib_flow_prio opfcs[MLX5_IB_OPCOUNTER_MAX]; |
| 309 | struct mlx5_flow_table *lag_demux_ft; |
| 310 | struct mlx5_ib_flow_prio *rdma_transport_rx[MLX5_RDMA_TRANSPORT_BYPASS_PRIO]; |
| 311 | struct mlx5_ib_flow_prio *rdma_transport_tx[MLX5_RDMA_TRANSPORT_BYPASS_PRIO]; |
| 312 | /* Protect flow steering bypass flow tables |
| 313 | * when add/del flow rules. |
| 314 | * only single add/removal of flow steering rule could be done |
| 315 | * simultaneously. |
| 316 | */ |
| 317 | struct mutex lock; |
| 318 | }; |
| 319 | |
| 320 | /* Use macros here so that don't have to duplicate |
| 321 | * enum ib_qp_type for low-level driver |
| 322 | */ |
| 323 | |
| 324 | #define MLX5_IB_QPT_REG_UMR IB_QPT_RESERVED1 |
| 325 | /* |
| 326 | * IB_QPT_GSI creates the software wrapper around GSI, and MLX5_IB_QPT_HW_GSI |
| 327 | * creates the actual hardware QP. |
| 328 | */ |
| 329 | #define MLX5_IB_QPT_HW_GSI IB_QPT_RESERVED2 |
| 330 | #define MLX5_IB_QPT_DCI IB_QPT_RESERVED3 |
| 331 | #define MLX5_IB_QPT_DCT IB_QPT_RESERVED4 |
| 332 | #define MLX5_IB_WR_UMR IB_WR_RESERVED1 |
| 333 | |
| 334 | #define MLX5_IB_UPD_XLT_ZAP BIT(0) |
| 335 | #define MLX5_IB_UPD_XLT_ENABLE BIT(1) |
| 336 | #define MLX5_IB_UPD_XLT_ATOMIC BIT(2) |
| 337 | #define MLX5_IB_UPD_XLT_ADDR BIT(3) |
| 338 | #define MLX5_IB_UPD_XLT_PD BIT(4) |
| 339 | #define MLX5_IB_UPD_XLT_ACCESS BIT(5) |
| 340 | #define MLX5_IB_UPD_XLT_INDIRECT BIT(6) |
| 341 | #define MLX5_IB_UPD_XLT_DOWNGRADE BIT(7) |
| 342 | #define MLX5_IB_UPD_XLT_KEEP_PGSZ BIT(8) |
| 343 | |
| 344 | /* Private QP creation flags to be passed in ib_qp_init_attr.create_flags. |
| 345 | * |
| 346 | * These flags are intended for internal use by the mlx5_ib driver, and they |
| 347 | * rely on the range reserved for that use in the ib_qp_create_flags enum. |
| 348 | */ |
| 349 | #define MLX5_IB_QP_CREATE_SQPN_QP1 IB_QP_CREATE_RESERVED_START |
| 350 | |
| 351 | struct wr_list { |
| 352 | u16 opcode; |
| 353 | u16 next; |
| 354 | }; |
| 355 | |
| 356 | enum mlx5_ib_rq_flags { |
| 357 | MLX5_IB_RQ_CVLAN_STRIPPING = 1 << 0, |
| 358 | MLX5_IB_RQ_PCI_WRITE_END_PADDING = 1 << 1, |
| 359 | }; |
| 360 | |
| 361 | struct mlx5_ib_wq { |
| 362 | struct mlx5_frag_buf_ctrl fbc; |
| 363 | u64 *wrid; |
| 364 | u32 *wr_data; |
| 365 | struct wr_list *w_list; |
| 366 | unsigned *wqe_head; |
| 367 | u16 unsig_count; |
| 368 | |
| 369 | /* serialize post to the work queue |
| 370 | */ |
| 371 | spinlock_t lock; |
| 372 | int wqe_cnt; |
| 373 | int max_post; |
| 374 | int max_gs; |
| 375 | int offset; |
| 376 | int wqe_shift; |
| 377 | unsigned head; |
| 378 | unsigned tail; |
| 379 | u16 cur_post; |
| 380 | u16 last_poll; |
| 381 | void *cur_edge; |
| 382 | }; |
| 383 | |
| 384 | enum mlx5_ib_wq_flags { |
| 385 | MLX5_IB_WQ_FLAGS_DELAY_DROP = 0x1, |
| 386 | MLX5_IB_WQ_FLAGS_STRIDING_RQ = 0x2, |
| 387 | }; |
| 388 | |
| 389 | #define MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES 9 |
| 390 | #define MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES 16 |
| 391 | #define MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES 6 |
| 392 | #define MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES 13 |
| 393 | #define MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES 3 |
| 394 | |
| 395 | struct mlx5_ib_rwq { |
| 396 | struct ib_wq ibwq; |
| 397 | struct mlx5_core_qp core_qp; |
| 398 | u32 rq_num_pas; |
| 399 | u32 log_rq_stride; |
| 400 | u32 log_rq_size; |
| 401 | u32 rq_page_offset; |
| 402 | u32 log_page_size; |
| 403 | u32 log_num_strides; |
| 404 | u32 two_byte_shift_en; |
| 405 | u32 single_stride_log_num_of_bytes; |
| 406 | struct ib_umem *umem; |
| 407 | size_t buf_size; |
| 408 | unsigned int page_shift; |
| 409 | struct mlx5_db db; |
| 410 | u32 user_index; |
| 411 | u32 wqe_count; |
| 412 | u32 wqe_shift; |
| 413 | int wq_sig; |
| 414 | u32 create_flags; /* Use enum mlx5_ib_wq_flags */ |
| 415 | }; |
| 416 | |
| 417 | struct mlx5_ib_rwq_ind_table { |
| 418 | struct ib_rwq_ind_table ib_rwq_ind_tbl; |
| 419 | u32 rqtn; |
| 420 | u16 uid; |
| 421 | }; |
| 422 | |
| 423 | struct mlx5_ib_ubuffer { |
| 424 | struct ib_umem *umem; |
| 425 | int buf_size; |
| 426 | u64 buf_addr; |
| 427 | }; |
| 428 | |
| 429 | struct mlx5_ib_qp_base { |
| 430 | struct mlx5_ib_qp *container_mibqp; |
| 431 | struct mlx5_core_qp mqp; |
| 432 | struct mlx5_ib_ubuffer ubuffer; |
| 433 | }; |
| 434 | |
| 435 | struct mlx5_ib_qp_trans { |
| 436 | struct mlx5_ib_qp_base base; |
| 437 | u16 xrcdn; |
| 438 | u32 alt_port; |
| 439 | u8 atomic_rd_en; |
| 440 | u8 resp_depth; |
| 441 | }; |
| 442 | |
| 443 | struct { |
| 444 | u32 ; |
| 445 | }; |
| 446 | |
| 447 | struct mlx5_ib_rq { |
| 448 | struct mlx5_ib_qp_base base; |
| 449 | struct mlx5_ib_wq *rq; |
| 450 | struct mlx5_ib_ubuffer ubuffer; |
| 451 | struct mlx5_db *doorbell; |
| 452 | u32 tirn; |
| 453 | u8 state; |
| 454 | u32 flags; |
| 455 | }; |
| 456 | |
| 457 | struct mlx5_ib_sq { |
| 458 | struct mlx5_ib_qp_base base; |
| 459 | struct mlx5_ib_wq *sq; |
| 460 | struct mlx5_ib_ubuffer ubuffer; |
| 461 | struct mlx5_db *doorbell; |
| 462 | struct mlx5_flow_handle *flow_rule; |
| 463 | u32 tisn; |
| 464 | u8 state; |
| 465 | }; |
| 466 | |
| 467 | struct mlx5_ib_raw_packet_qp { |
| 468 | struct mlx5_ib_sq sq; |
| 469 | struct mlx5_ib_rq rq; |
| 470 | }; |
| 471 | |
| 472 | struct mlx5_bf { |
| 473 | int buf_size; |
| 474 | unsigned long offset; |
| 475 | struct mlx5_sq_bfreg *bfreg; |
| 476 | }; |
| 477 | |
| 478 | struct mlx5_ib_dct { |
| 479 | struct mlx5_core_dct mdct; |
| 480 | u32 *in; |
| 481 | }; |
| 482 | |
| 483 | struct mlx5_ib_gsi_qp { |
| 484 | struct ib_qp *rx_qp; |
| 485 | u32 port_num; |
| 486 | struct ib_qp_cap cap; |
| 487 | struct ib_cq *cq; |
| 488 | struct mlx5_ib_gsi_wr *outstanding_wrs; |
| 489 | u32 outstanding_pi, outstanding_ci; |
| 490 | int num_qps; |
| 491 | /* Protects access to the tx_qps. Post send operations synchronize |
| 492 | * with tx_qp creation in setup_qp(). Also protects the |
| 493 | * outstanding_wrs array and indices. |
| 494 | */ |
| 495 | spinlock_t lock; |
| 496 | struct ib_qp **tx_qps; |
| 497 | }; |
| 498 | |
| 499 | struct mlx5_ib_qp { |
| 500 | struct ib_qp ibqp; |
| 501 | union { |
| 502 | struct mlx5_ib_qp_trans trans_qp; |
| 503 | struct mlx5_ib_raw_packet_qp raw_packet_qp; |
| 504 | struct mlx5_ib_rss_qp ; |
| 505 | struct mlx5_ib_dct dct; |
| 506 | struct mlx5_ib_gsi_qp gsi; |
| 507 | }; |
| 508 | struct mlx5_frag_buf buf; |
| 509 | |
| 510 | struct mlx5_db db; |
| 511 | struct mlx5_ib_wq rq; |
| 512 | |
| 513 | u8 sq_signal_bits; |
| 514 | u8 next_fence; |
| 515 | struct mlx5_ib_wq sq; |
| 516 | |
| 517 | /* serialize qp state modifications |
| 518 | */ |
| 519 | struct mutex mutex; |
| 520 | /* cached variant of create_flags from struct ib_qp_init_attr */ |
| 521 | u32 flags; |
| 522 | u32 port; |
| 523 | u8 state; |
| 524 | int max_inline_data; |
| 525 | struct mlx5_bf bf; |
| 526 | u8 has_rq:1; |
| 527 | u8 :1; |
| 528 | u8 is_ooo_rq:1; |
| 529 | |
| 530 | /* only for user space QPs. For kernel |
| 531 | * we have it from the bf object |
| 532 | */ |
| 533 | int bfregn; |
| 534 | |
| 535 | struct list_head qps_list; |
| 536 | struct list_head cq_recv_list; |
| 537 | struct list_head cq_send_list; |
| 538 | struct mlx5_rate_limit rl; |
| 539 | u32 underlay_qpn; |
| 540 | u32 flags_en; |
| 541 | /* |
| 542 | * IB/core doesn't store low-level QP types, so |
| 543 | * store both MLX and IBTA types in the field below. |
| 544 | */ |
| 545 | enum ib_qp_type type; |
| 546 | /* A flag to indicate if there's a new counter is configured |
| 547 | * but not take effective |
| 548 | */ |
| 549 | u32 counter_pending; |
| 550 | u16 gsi_lag_port; |
| 551 | }; |
| 552 | |
| 553 | struct mlx5_ib_cq_buf { |
| 554 | struct mlx5_frag_buf_ctrl fbc; |
| 555 | struct mlx5_frag_buf frag_buf; |
| 556 | struct ib_umem *umem; |
| 557 | int cqe_size; |
| 558 | int nent; |
| 559 | }; |
| 560 | |
| 561 | enum mlx5_ib_cq_pr_flags { |
| 562 | MLX5_IB_CQ_PR_FLAGS_CQE_128_PAD = 1 << 0, |
| 563 | MLX5_IB_CQ_PR_FLAGS_REAL_TIME_TS = 1 << 1, |
| 564 | }; |
| 565 | |
| 566 | struct mlx5_ib_cq { |
| 567 | struct ib_cq ibcq; |
| 568 | struct mlx5_core_cq mcq; |
| 569 | struct mlx5_ib_cq_buf buf; |
| 570 | struct mlx5_db db; |
| 571 | |
| 572 | /* serialize access to the CQ |
| 573 | */ |
| 574 | spinlock_t lock; |
| 575 | |
| 576 | /* protect resize cq |
| 577 | */ |
| 578 | struct mutex resize_mutex; |
| 579 | struct mlx5_ib_cq_buf *resize_buf; |
| 580 | struct ib_umem *resize_umem; |
| 581 | int cqe_size; |
| 582 | struct list_head list_send_qp; |
| 583 | struct list_head list_recv_qp; |
| 584 | u32 create_flags; |
| 585 | struct list_head wc_list; |
| 586 | enum ib_cq_notify_flags notify_flags; |
| 587 | struct work_struct notify_work; |
| 588 | u16 private_flags; /* Use mlx5_ib_cq_pr_flags */ |
| 589 | }; |
| 590 | |
| 591 | struct mlx5_ib_wc { |
| 592 | struct ib_wc wc; |
| 593 | struct list_head list; |
| 594 | }; |
| 595 | |
| 596 | struct mlx5_ib_srq { |
| 597 | struct ib_srq ibsrq; |
| 598 | struct mlx5_core_srq msrq; |
| 599 | struct mlx5_frag_buf buf; |
| 600 | struct mlx5_db db; |
| 601 | struct mlx5_frag_buf_ctrl fbc; |
| 602 | u64 *wrid; |
| 603 | /* protect SRQ hanlding |
| 604 | */ |
| 605 | spinlock_t lock; |
| 606 | int head; |
| 607 | int tail; |
| 608 | u16 wqe_ctr; |
| 609 | struct ib_umem *umem; |
| 610 | /* serialize arming a SRQ |
| 611 | */ |
| 612 | struct mutex mutex; |
| 613 | int wq_sig; |
| 614 | }; |
| 615 | |
| 616 | struct mlx5_ib_xrcd { |
| 617 | struct ib_xrcd ibxrcd; |
| 618 | u32 xrcdn; |
| 619 | }; |
| 620 | |
| 621 | enum mlx5_ib_mtt_access_flags { |
| 622 | MLX5_IB_MTT_READ = (1 << 0), |
| 623 | MLX5_IB_MTT_WRITE = (1 << 1), |
| 624 | }; |
| 625 | |
| 626 | struct mlx5_user_mmap_entry { |
| 627 | struct rdma_user_mmap_entry rdma_entry; |
| 628 | u8 mmap_flag; |
| 629 | u64 address; |
| 630 | u32 page_idx; |
| 631 | }; |
| 632 | |
| 633 | enum mlx5_mkey_type { |
| 634 | MLX5_MKEY_MR = 1, |
| 635 | MLX5_MKEY_MW, |
| 636 | MLX5_MKEY_INDIRECT_DEVX, |
| 637 | MLX5_MKEY_NULL, |
| 638 | MLX5_MKEY_IMPLICIT_CHILD, |
| 639 | }; |
| 640 | |
| 641 | /* Used for non-existent ph value */ |
| 642 | #define MLX5_IB_NO_PH 0xff |
| 643 | |
| 644 | struct mlx5r_cache_rb_key { |
| 645 | u8 ats:1; |
| 646 | u8 ph; |
| 647 | u16 st_index; |
| 648 | unsigned int access_mode; |
| 649 | unsigned int access_flags; |
| 650 | unsigned int ndescs; |
| 651 | }; |
| 652 | |
| 653 | struct mlx5_ib_mkey { |
| 654 | u32 key; |
| 655 | enum mlx5_mkey_type type; |
| 656 | unsigned int ndescs; |
| 657 | struct wait_queue_head wait; |
| 658 | refcount_t usecount; |
| 659 | /* Cacheable user Mkey must hold either a rb_key or a cache_ent. */ |
| 660 | struct mlx5r_cache_rb_key rb_key; |
| 661 | struct mlx5_cache_ent *cache_ent; |
| 662 | u8 cacheable : 1; |
| 663 | }; |
| 664 | |
| 665 | #define MLX5_IB_MTT_PRESENT (MLX5_IB_MTT_READ | MLX5_IB_MTT_WRITE) |
| 666 | |
| 667 | #define MLX5_IB_DM_MEMIC_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\ |
| 668 | IB_ACCESS_REMOTE_WRITE |\ |
| 669 | IB_ACCESS_REMOTE_READ |\ |
| 670 | IB_ACCESS_REMOTE_ATOMIC |\ |
| 671 | IB_ZERO_BASED) |
| 672 | |
| 673 | #define MLX5_IB_DM_SW_ICM_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\ |
| 674 | IB_ACCESS_REMOTE_WRITE |\ |
| 675 | IB_ACCESS_REMOTE_READ |\ |
| 676 | IB_ZERO_BASED) |
| 677 | |
| 678 | #define mlx5_update_odp_stats(mr, counter_name, value) \ |
| 679 | atomic64_add(value, &((mr)->odp_stats.counter_name)) |
| 680 | |
| 681 | #define mlx5_update_odp_stats_with_handled(mr, counter_name, value) \ |
| 682 | do { \ |
| 683 | mlx5_update_odp_stats(mr, counter_name, value); \ |
| 684 | atomic64_add(1, &((mr)->odp_stats.counter_name##_handled)); \ |
| 685 | } while (0) |
| 686 | |
| 687 | struct mlx5_ib_mr { |
| 688 | struct ib_mr ibmr; |
| 689 | struct mlx5_ib_mkey mmkey; |
| 690 | |
| 691 | struct ib_umem *umem; |
| 692 | /* The mr is data direct related */ |
| 693 | u8 data_direct :1; |
| 694 | |
| 695 | union { |
| 696 | /* Used only by kernel MRs (umem == NULL) */ |
| 697 | struct { |
| 698 | void *descs; |
| 699 | void *descs_alloc; |
| 700 | dma_addr_t desc_map; |
| 701 | int max_descs; |
| 702 | int desc_size; |
| 703 | int access_mode; |
| 704 | |
| 705 | /* For Kernel IB_MR_TYPE_INTEGRITY */ |
| 706 | struct mlx5_core_sig_ctx *sig; |
| 707 | struct mlx5_ib_mr *pi_mr; |
| 708 | struct mlx5_ib_mr *klm_mr; |
| 709 | struct mlx5_ib_mr *mtt_mr; |
| 710 | u64 data_iova; |
| 711 | u64 pi_iova; |
| 712 | int meta_ndescs; |
| 713 | int meta_length; |
| 714 | int data_length; |
| 715 | }; |
| 716 | |
| 717 | /* Used only by User MRs (umem != NULL) */ |
| 718 | struct { |
| 719 | unsigned int page_shift; |
| 720 | /* Current access_flags */ |
| 721 | int access_flags; |
| 722 | |
| 723 | /* For User ODP */ |
| 724 | struct mlx5_ib_mr *parent; |
| 725 | struct xarray implicit_children; |
| 726 | union { |
| 727 | struct work_struct work; |
| 728 | } odp_destroy; |
| 729 | struct ib_odp_counters odp_stats; |
| 730 | bool is_odp_implicit; |
| 731 | /* The affilated data direct crossed mr */ |
| 732 | struct mlx5_ib_mr *dd_crossed_mr; |
| 733 | struct list_head dd_node; |
| 734 | u8 revoked :1; |
| 735 | /* Indicates previous dmabuf page fault occurred */ |
| 736 | u8 dmabuf_faulted:1; |
| 737 | struct mlx5_ib_mkey null_mmkey; |
| 738 | }; |
| 739 | }; |
| 740 | }; |
| 741 | |
| 742 | static inline bool is_odp_mr(struct mlx5_ib_mr *mr) |
| 743 | { |
| 744 | return IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING) && mr->umem && |
| 745 | mr->umem->is_odp; |
| 746 | } |
| 747 | |
| 748 | static inline bool is_dmabuf_mr(struct mlx5_ib_mr *mr) |
| 749 | { |
| 750 | return IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING) && mr->umem && |
| 751 | mr->umem->is_dmabuf; |
| 752 | } |
| 753 | |
| 754 | struct mlx5_ib_mw { |
| 755 | struct ib_mw ibmw; |
| 756 | struct mlx5_ib_mkey mmkey; |
| 757 | }; |
| 758 | |
| 759 | struct mlx5_ib_umr_context { |
| 760 | struct ib_cqe cqe; |
| 761 | enum ib_wc_status status; |
| 762 | struct completion done; |
| 763 | }; |
| 764 | |
| 765 | enum { |
| 766 | MLX5_UMR_STATE_UNINIT, |
| 767 | MLX5_UMR_STATE_ACTIVE, |
| 768 | MLX5_UMR_STATE_RECOVER, |
| 769 | MLX5_UMR_STATE_ERR, |
| 770 | }; |
| 771 | |
| 772 | struct umr_common { |
| 773 | struct ib_pd *pd; |
| 774 | struct ib_cq *cq; |
| 775 | struct ib_qp *qp; |
| 776 | /* Protects from UMR QP overflow |
| 777 | */ |
| 778 | struct semaphore sem; |
| 779 | /* Protects from using UMR while the UMR is not active |
| 780 | */ |
| 781 | struct mutex lock; |
| 782 | unsigned int state; |
| 783 | /* Protects from repeat UMR QP creation */ |
| 784 | struct mutex init_lock; |
| 785 | }; |
| 786 | |
| 787 | #define NUM_MKEYS_PER_PAGE \ |
| 788 | ((PAGE_SIZE - sizeof(struct list_head)) / sizeof(u32)) |
| 789 | |
| 790 | struct mlx5_mkeys_page { |
| 791 | u32 mkeys[NUM_MKEYS_PER_PAGE]; |
| 792 | struct list_head list; |
| 793 | }; |
| 794 | static_assert(sizeof(struct mlx5_mkeys_page) == PAGE_SIZE); |
| 795 | |
| 796 | struct mlx5_mkeys_queue { |
| 797 | struct list_head pages_list; |
| 798 | u32 num_pages; |
| 799 | unsigned long ci; |
| 800 | spinlock_t lock; /* sync list ops */ |
| 801 | }; |
| 802 | |
| 803 | struct mlx5_cache_ent { |
| 804 | struct mlx5_mkeys_queue mkeys_queue; |
| 805 | u32 pending; |
| 806 | |
| 807 | char name[4]; |
| 808 | |
| 809 | struct rb_node node; |
| 810 | struct mlx5r_cache_rb_key rb_key; |
| 811 | |
| 812 | u8 is_tmp:1; |
| 813 | u8 disabled:1; |
| 814 | u8 fill_to_high_water:1; |
| 815 | u8 tmp_cleanup_scheduled:1; |
| 816 | |
| 817 | /* |
| 818 | * - limit is the low water mark for stored mkeys, 2* limit is the |
| 819 | * upper water mark. |
| 820 | */ |
| 821 | u32 in_use; |
| 822 | u32 limit; |
| 823 | |
| 824 | /* Statistics */ |
| 825 | u32 miss; |
| 826 | |
| 827 | struct mlx5_ib_dev *dev; |
| 828 | struct delayed_work dwork; |
| 829 | }; |
| 830 | |
| 831 | struct mlx5r_async_create_mkey { |
| 832 | union { |
| 833 | u32 in[MLX5_ST_SZ_BYTES(create_mkey_in)]; |
| 834 | u32 out[MLX5_ST_SZ_DW(create_mkey_out)]; |
| 835 | }; |
| 836 | struct mlx5_async_work cb_work; |
| 837 | struct mlx5_cache_ent *ent; |
| 838 | u32 mkey; |
| 839 | }; |
| 840 | |
| 841 | struct mlx5_mkey_cache { |
| 842 | struct workqueue_struct *wq; |
| 843 | struct rb_root rb_root; |
| 844 | struct mutex rb_lock; |
| 845 | struct dentry *fs_root; |
| 846 | unsigned long last_add; |
| 847 | }; |
| 848 | |
| 849 | struct mlx5_ib_port_resources { |
| 850 | struct mlx5_ib_gsi_qp *gsi; |
| 851 | struct work_struct pkey_change_work; |
| 852 | }; |
| 853 | |
| 854 | struct mlx5_data_direct_resources { |
| 855 | u32 pdn; |
| 856 | u32 mkey; |
| 857 | u32 mkey_ro; |
| 858 | u8 mkey_ro_valid :1; |
| 859 | }; |
| 860 | |
| 861 | struct mlx5_ib_resources { |
| 862 | struct ib_cq *c0; |
| 863 | struct mutex cq_lock; |
| 864 | u32 xrcdn0; |
| 865 | u32 xrcdn1; |
| 866 | struct ib_pd *p0; |
| 867 | struct ib_srq *s0; |
| 868 | struct ib_srq *s1; |
| 869 | struct mutex srq_lock; |
| 870 | struct mlx5_ib_port_resources ports[2]; |
| 871 | }; |
| 872 | |
| 873 | #define MAX_OPFC_RULES 2 |
| 874 | |
| 875 | struct mlx5_ib_op_fc { |
| 876 | struct mlx5_fc *fc; |
| 877 | struct mlx5_flow_handle *rule[MAX_OPFC_RULES]; |
| 878 | }; |
| 879 | |
| 880 | struct mlx5_ib_counters { |
| 881 | struct rdma_stat_desc *descs; |
| 882 | size_t *offsets; |
| 883 | u32 num_q_counters; |
| 884 | u32 num_cong_counters; |
| 885 | u32 num_ext_ppcnt_counters; |
| 886 | u32 num_op_counters; |
| 887 | u16 set_id; |
| 888 | struct mlx5_ib_op_fc opfcs[MLX5_IB_OPCOUNTER_MAX]; |
| 889 | }; |
| 890 | |
| 891 | int mlx5_ib_fs_add_op_fc(struct mlx5_ib_dev *dev, u32 port_num, |
| 892 | struct mlx5_ib_op_fc *opfc, |
| 893 | enum mlx5_ib_optional_counter_type type); |
| 894 | |
| 895 | void mlx5_ib_fs_remove_op_fc(struct mlx5_ib_dev *dev, |
| 896 | struct mlx5_ib_op_fc *opfc, |
| 897 | enum mlx5_ib_optional_counter_type type); |
| 898 | |
| 899 | int mlx5r_fs_bind_op_fc(struct ib_qp *qp, |
| 900 | struct mlx5_fc *fc_arr[MLX5_IB_OPCOUNTER_MAX], |
| 901 | struct xarray *qpn_opfc_xa, u32 port); |
| 902 | |
| 903 | void mlx5r_fs_unbind_op_fc(struct ib_qp *qp, struct xarray *qpn_opfc_xa); |
| 904 | |
| 905 | void mlx5r_fs_destroy_fcs(struct mlx5_ib_dev *dev, |
| 906 | struct mlx5_fc *fc_arr[MLX5_IB_OPCOUNTER_MAX]); |
| 907 | |
| 908 | struct mlx5_ib_multiport_info; |
| 909 | |
| 910 | struct mlx5_ib_multiport { |
| 911 | struct mlx5_ib_multiport_info *mpi; |
| 912 | /* To be held when accessing the multiport info */ |
| 913 | spinlock_t mpi_lock; |
| 914 | }; |
| 915 | |
| 916 | struct mlx5_roce { |
| 917 | /* Protect mlx5_ib_get_netdev from invoking dev_hold() with a NULL |
| 918 | * netdev pointer |
| 919 | */ |
| 920 | struct notifier_block nb; |
| 921 | struct netdev_net_notifier nn; |
| 922 | struct notifier_block mdev_nb; |
| 923 | struct net_device *tracking_netdev; |
| 924 | atomic_t tx_port_affinity; |
| 925 | enum ib_port_state last_port_state; |
| 926 | struct mlx5_ib_dev *dev; |
| 927 | u32 native_port_num; |
| 928 | }; |
| 929 | |
| 930 | struct mlx5_ib_port { |
| 931 | struct mlx5_ib_counters cnts; |
| 932 | struct mlx5_ib_multiport mp; |
| 933 | struct mlx5_ib_dbg_cc_params *dbg_cc_params; |
| 934 | struct mlx5_roce roce; |
| 935 | struct mlx5_eswitch_rep *rep; |
| 936 | #ifdef CONFIG_MLX5_MACSEC |
| 937 | struct mlx5_reserved_gids *reserved_gids; |
| 938 | #endif |
| 939 | }; |
| 940 | |
| 941 | struct mlx5_ib_dbg_param { |
| 942 | int offset; |
| 943 | struct mlx5_ib_dev *dev; |
| 944 | struct dentry *dentry; |
| 945 | u32 port_num; |
| 946 | }; |
| 947 | |
| 948 | enum mlx5_ib_dbg_cc_types { |
| 949 | MLX5_IB_DBG_CC_RP_CLAMP_TGT_RATE, |
| 950 | MLX5_IB_DBG_CC_RP_CLAMP_TGT_RATE_ATI, |
| 951 | MLX5_IB_DBG_CC_RP_TIME_RESET, |
| 952 | MLX5_IB_DBG_CC_RP_BYTE_RESET, |
| 953 | MLX5_IB_DBG_CC_RP_THRESHOLD, |
| 954 | MLX5_IB_DBG_CC_RP_AI_RATE, |
| 955 | MLX5_IB_DBG_CC_RP_MAX_RATE, |
| 956 | MLX5_IB_DBG_CC_RP_HAI_RATE, |
| 957 | MLX5_IB_DBG_CC_RP_MIN_DEC_FAC, |
| 958 | MLX5_IB_DBG_CC_RP_MIN_RATE, |
| 959 | MLX5_IB_DBG_CC_RP_RATE_TO_SET_ON_FIRST_CNP, |
| 960 | MLX5_IB_DBG_CC_RP_DCE_TCP_G, |
| 961 | MLX5_IB_DBG_CC_RP_DCE_TCP_RTT, |
| 962 | MLX5_IB_DBG_CC_RP_RATE_REDUCE_MONITOR_PERIOD, |
| 963 | MLX5_IB_DBG_CC_RP_INITIAL_ALPHA_VALUE, |
| 964 | MLX5_IB_DBG_CC_RP_GD, |
| 965 | MLX5_IB_DBG_CC_NP_MIN_TIME_BETWEEN_CNPS, |
| 966 | MLX5_IB_DBG_CC_NP_CNP_DSCP, |
| 967 | MLX5_IB_DBG_CC_NP_CNP_PRIO_MODE, |
| 968 | MLX5_IB_DBG_CC_NP_CNP_PRIO, |
| 969 | MLX5_IB_DBG_CC_GENERAL_RTT_RESP_DSCP_VALID, |
| 970 | MLX5_IB_DBG_CC_GENERAL_RTT_RESP_DSCP, |
| 971 | MLX5_IB_DBG_CC_MAX, |
| 972 | }; |
| 973 | |
| 974 | struct mlx5_ib_dbg_cc_params { |
| 975 | struct dentry *root; |
| 976 | struct mlx5_ib_dbg_param params[MLX5_IB_DBG_CC_MAX]; |
| 977 | }; |
| 978 | |
| 979 | enum { |
| 980 | MLX5_MAX_DELAY_DROP_TIMEOUT_MS = 100, |
| 981 | }; |
| 982 | |
| 983 | struct mlx5_ib_delay_drop { |
| 984 | struct mlx5_ib_dev *dev; |
| 985 | struct work_struct delay_drop_work; |
| 986 | /* serialize setting of delay drop */ |
| 987 | struct mutex lock; |
| 988 | u32 timeout; |
| 989 | bool activate; |
| 990 | atomic_t events_cnt; |
| 991 | atomic_t rqs_cnt; |
| 992 | struct dentry *dir_debugfs; |
| 993 | }; |
| 994 | |
| 995 | enum mlx5_ib_stages { |
| 996 | MLX5_IB_STAGE_INIT, |
| 997 | MLX5_IB_STAGE_FS, |
| 998 | MLX5_IB_STAGE_CAPS, |
| 999 | MLX5_IB_STAGE_NON_DEFAULT_CB, |
| 1000 | MLX5_IB_STAGE_ROCE, |
| 1001 | MLX5_IB_STAGE_QP, |
| 1002 | MLX5_IB_STAGE_SRQ, |
| 1003 | MLX5_IB_STAGE_DEVICE_RESOURCES, |
| 1004 | MLX5_IB_STAGE_ODP, |
| 1005 | MLX5_IB_STAGE_COUNTERS, |
| 1006 | MLX5_IB_STAGE_CONG_DEBUGFS, |
| 1007 | MLX5_IB_STAGE_BFREG, |
| 1008 | MLX5_IB_STAGE_PRE_IB_REG_UMR, |
| 1009 | MLX5_IB_STAGE_WHITELIST_UID, |
| 1010 | MLX5_IB_STAGE_IB_REG, |
| 1011 | MLX5_IB_STAGE_DEVICE_NOTIFIER, |
| 1012 | MLX5_IB_STAGE_POST_IB_REG_UMR, |
| 1013 | MLX5_IB_STAGE_DELAY_DROP, |
| 1014 | MLX5_IB_STAGE_RESTRACK, |
| 1015 | MLX5_IB_STAGE_MAX, |
| 1016 | }; |
| 1017 | |
| 1018 | struct mlx5_ib_stage { |
| 1019 | int (*init)(struct mlx5_ib_dev *dev); |
| 1020 | void (*cleanup)(struct mlx5_ib_dev *dev); |
| 1021 | }; |
| 1022 | |
| 1023 | #define STAGE_CREATE(_stage, _init, _cleanup) \ |
| 1024 | .stage[_stage] = {.init = _init, .cleanup = _cleanup} |
| 1025 | |
| 1026 | struct mlx5_ib_profile { |
| 1027 | struct mlx5_ib_stage stage[MLX5_IB_STAGE_MAX]; |
| 1028 | }; |
| 1029 | |
| 1030 | struct mlx5_ib_multiport_info { |
| 1031 | struct list_head list; |
| 1032 | struct mlx5_ib_dev *ibdev; |
| 1033 | struct mlx5_core_dev *mdev; |
| 1034 | struct notifier_block mdev_events; |
| 1035 | struct completion unref_comp; |
| 1036 | u64 sys_image_guid; |
| 1037 | u32 mdev_refcnt; |
| 1038 | bool is_master; |
| 1039 | bool unaffiliate; |
| 1040 | }; |
| 1041 | |
| 1042 | struct mlx5_ib_flow_action { |
| 1043 | struct ib_flow_action ib_action; |
| 1044 | union { |
| 1045 | struct { |
| 1046 | u64 ib_flags; |
| 1047 | struct mlx5_accel_esp_xfrm *ctx; |
| 1048 | } esp_aes_gcm; |
| 1049 | struct { |
| 1050 | struct mlx5_ib_dev *dev; |
| 1051 | u32 sub_type; |
| 1052 | union { |
| 1053 | struct mlx5_modify_hdr *modify_hdr; |
| 1054 | struct mlx5_pkt_reformat *pkt_reformat; |
| 1055 | }; |
| 1056 | } flow_action_raw; |
| 1057 | }; |
| 1058 | }; |
| 1059 | |
| 1060 | struct mlx5_dm { |
| 1061 | struct mlx5_core_dev *dev; |
| 1062 | /* This lock is used to protect the access to the shared |
| 1063 | * allocation map when concurrent requests by different |
| 1064 | * processes are handled. |
| 1065 | */ |
| 1066 | spinlock_t lock; |
| 1067 | DECLARE_BITMAP(memic_alloc_pages, MLX5_MAX_MEMIC_PAGES); |
| 1068 | }; |
| 1069 | |
| 1070 | struct mlx5_read_counters_attr { |
| 1071 | struct mlx5_fc *hw_cntrs_hndl; |
| 1072 | u64 *out; |
| 1073 | u32 flags; |
| 1074 | }; |
| 1075 | |
| 1076 | enum mlx5_ib_counters_type { |
| 1077 | MLX5_IB_COUNTERS_FLOW, |
| 1078 | }; |
| 1079 | |
| 1080 | struct mlx5_ib_mcounters { |
| 1081 | struct ib_counters ibcntrs; |
| 1082 | enum mlx5_ib_counters_type type; |
| 1083 | /* number of counters supported for this counters type */ |
| 1084 | u32 counters_num; |
| 1085 | struct mlx5_fc *hw_cntrs_hndl; |
| 1086 | /* read function for this counters type */ |
| 1087 | int (*read_counters)(struct ib_device *ibdev, |
| 1088 | struct mlx5_read_counters_attr *read_attr); |
| 1089 | /* max index set as part of create_flow */ |
| 1090 | u32 cntrs_max_index; |
| 1091 | /* number of counters data entries (<description,index> pair) */ |
| 1092 | u32 ncounters; |
| 1093 | /* counters data array for descriptions and indexes */ |
| 1094 | struct mlx5_ib_flow_counters_desc *counters_data; |
| 1095 | /* protects access to mcounters internal data */ |
| 1096 | struct mutex mcntrs_mutex; |
| 1097 | }; |
| 1098 | |
| 1099 | static inline struct mlx5_ib_mcounters * |
| 1100 | to_mcounters(struct ib_counters *ibcntrs) |
| 1101 | { |
| 1102 | return container_of(ibcntrs, struct mlx5_ib_mcounters, ibcntrs); |
| 1103 | } |
| 1104 | |
| 1105 | int parse_flow_flow_action(struct mlx5_ib_flow_action *maction, |
| 1106 | bool is_egress, |
| 1107 | struct mlx5_flow_act *action); |
| 1108 | struct mlx5_ib_lb_state { |
| 1109 | /* protect the user_td */ |
| 1110 | struct mutex mutex; |
| 1111 | u32 user_td; |
| 1112 | int qps; |
| 1113 | bool enabled; |
| 1114 | bool force_enable; |
| 1115 | }; |
| 1116 | |
| 1117 | struct mlx5_ib_pf_eq { |
| 1118 | struct notifier_block irq_nb; |
| 1119 | struct mlx5_ib_dev *dev; |
| 1120 | struct mlx5_eq *core; |
| 1121 | struct work_struct work; |
| 1122 | spinlock_t lock; /* Pagefaults spinlock */ |
| 1123 | struct workqueue_struct *wq; |
| 1124 | mempool_t *pool; |
| 1125 | }; |
| 1126 | |
| 1127 | struct mlx5_devx_event_table { |
| 1128 | struct mlx5_nb devx_nb; |
| 1129 | /* serialize updating the event_xa */ |
| 1130 | struct mutex event_xa_lock; |
| 1131 | struct xarray event_xa; |
| 1132 | }; |
| 1133 | |
| 1134 | struct mlx5_var_table { |
| 1135 | /* serialize updating the bitmap */ |
| 1136 | struct mutex bitmap_lock; |
| 1137 | unsigned long *bitmap; |
| 1138 | u64 hw_start_addr; |
| 1139 | u32 stride_size; |
| 1140 | u64 num_var_hw_entries; |
| 1141 | }; |
| 1142 | |
| 1143 | struct mlx5_port_caps { |
| 1144 | bool has_smi; |
| 1145 | u8 ext_port_cap; |
| 1146 | }; |
| 1147 | |
| 1148 | |
| 1149 | struct mlx5_special_mkeys { |
| 1150 | u32 dump_fill_mkey; |
| 1151 | __be32 null_mkey; |
| 1152 | __be32 terminate_scatter_list_mkey; |
| 1153 | }; |
| 1154 | |
| 1155 | struct mlx5_macsec { |
| 1156 | struct mutex lock; /* Protects mlx5_macsec internal contexts */ |
| 1157 | struct list_head macsec_devices_list; |
| 1158 | struct notifier_block blocking_events_nb; |
| 1159 | }; |
| 1160 | |
| 1161 | struct mlx5_ib_dev { |
| 1162 | struct ib_device ib_dev; |
| 1163 | struct mlx5_core_dev *mdev; |
| 1164 | struct mlx5_data_direct_dev *data_direct_dev; |
| 1165 | /* protect accessing data_direct_dev */ |
| 1166 | struct mutex data_direct_lock; |
| 1167 | struct notifier_block mdev_events; |
| 1168 | struct notifier_block lag_events; |
| 1169 | int num_ports; |
| 1170 | /* serialize update of capability mask |
| 1171 | */ |
| 1172 | struct mutex cap_mask_mutex; |
| 1173 | u8 ib_active:1; |
| 1174 | u8 is_rep:1; |
| 1175 | u8 lag_active:1; |
| 1176 | u8 fill_delay; |
| 1177 | struct umr_common umrc; |
| 1178 | /* sync used page count stats |
| 1179 | */ |
| 1180 | struct mlx5_ib_resources devr; |
| 1181 | |
| 1182 | atomic_t mkey_var; |
| 1183 | struct mlx5_mkey_cache cache; |
| 1184 | struct timer_list delay_timer; |
| 1185 | /* Prevents soft lock on massive reg MRs */ |
| 1186 | struct mutex slow_path_mutex; |
| 1187 | struct ib_odp_caps odp_caps; |
| 1188 | u64 odp_max_size; |
| 1189 | struct mutex odp_eq_mutex; |
| 1190 | struct mlx5_ib_pf_eq odp_pf_eq; |
| 1191 | |
| 1192 | struct xarray odp_mkeys; |
| 1193 | |
| 1194 | struct mlx5_ib_flow_db *flow_db; |
| 1195 | /* protect resources needed as part of reset flow */ |
| 1196 | spinlock_t reset_flow_resource_lock; |
| 1197 | struct list_head qp_list; |
| 1198 | struct list_head data_direct_mr_list; |
| 1199 | /* Array with num_ports elements */ |
| 1200 | struct mlx5_ib_port *port; |
| 1201 | struct mlx5_sq_bfreg bfreg; |
| 1202 | struct mlx5_sq_bfreg fp_bfreg; |
| 1203 | struct mlx5_ib_delay_drop delay_drop; |
| 1204 | const struct mlx5_ib_profile *profile; |
| 1205 | |
| 1206 | struct mlx5_ib_lb_state lb; |
| 1207 | u8 umr_fence; |
| 1208 | struct list_head ib_dev_list; |
| 1209 | u64 sys_image_guid; |
| 1210 | struct mlx5_dm dm; |
| 1211 | u16 devx_whitelist_uid; |
| 1212 | struct mlx5_srq_table srq_table; |
| 1213 | struct mlx5_qp_table qp_table; |
| 1214 | struct mlx5_async_ctx async_ctx; |
| 1215 | struct mlx5_devx_event_table devx_event_table; |
| 1216 | struct mlx5_var_table var_table; |
| 1217 | |
| 1218 | struct xarray sig_mrs; |
| 1219 | struct mlx5_port_caps port_caps[MLX5_MAX_PORTS]; |
| 1220 | u16 pkey_table_len; |
| 1221 | u8 lag_ports; |
| 1222 | struct mlx5_special_mkeys mkeys; |
| 1223 | struct mlx5_data_direct_resources ddr; |
| 1224 | |
| 1225 | #ifdef CONFIG_MLX5_MACSEC |
| 1226 | struct mlx5_macsec macsec; |
| 1227 | #endif |
| 1228 | |
| 1229 | u8 num_plane; |
| 1230 | struct mlx5_ib_dev *smi_dev; |
| 1231 | const char *sub_dev_name; |
| 1232 | }; |
| 1233 | |
| 1234 | static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq) |
| 1235 | { |
| 1236 | return container_of(mcq, struct mlx5_ib_cq, mcq); |
| 1237 | } |
| 1238 | |
| 1239 | static inline struct mlx5_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) |
| 1240 | { |
| 1241 | return container_of(ibxrcd, struct mlx5_ib_xrcd, ibxrcd); |
| 1242 | } |
| 1243 | |
| 1244 | static inline struct mlx5_ib_dev *to_mdev(struct ib_device *ibdev) |
| 1245 | { |
| 1246 | return container_of(ibdev, struct mlx5_ib_dev, ib_dev); |
| 1247 | } |
| 1248 | |
| 1249 | static inline struct mlx5_ib_dev *mr_to_mdev(struct mlx5_ib_mr *mr) |
| 1250 | { |
| 1251 | return to_mdev(ibdev: mr->ibmr.device); |
| 1252 | } |
| 1253 | |
| 1254 | static inline struct mlx5_ib_dev *mlx5_udata_to_mdev(struct ib_udata *udata) |
| 1255 | { |
| 1256 | struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context( |
| 1257 | udata, struct mlx5_ib_ucontext, ibucontext); |
| 1258 | |
| 1259 | return to_mdev(ibdev: context->ibucontext.device); |
| 1260 | } |
| 1261 | |
| 1262 | static inline struct mlx5_ib_cq *to_mcq(struct ib_cq *ibcq) |
| 1263 | { |
| 1264 | return container_of(ibcq, struct mlx5_ib_cq, ibcq); |
| 1265 | } |
| 1266 | |
| 1267 | static inline struct mlx5_ib_qp *to_mibqp(struct mlx5_core_qp *mqp) |
| 1268 | { |
| 1269 | return container_of(mqp, struct mlx5_ib_qp_base, mqp)->container_mibqp; |
| 1270 | } |
| 1271 | |
| 1272 | static inline struct mlx5_ib_rwq *to_mibrwq(struct mlx5_core_qp *core_qp) |
| 1273 | { |
| 1274 | return container_of(core_qp, struct mlx5_ib_rwq, core_qp); |
| 1275 | } |
| 1276 | |
| 1277 | static inline struct mlx5_ib_pd *to_mpd(struct ib_pd *ibpd) |
| 1278 | { |
| 1279 | return container_of(ibpd, struct mlx5_ib_pd, ibpd); |
| 1280 | } |
| 1281 | |
| 1282 | static inline struct mlx5_ib_srq *to_msrq(struct ib_srq *ibsrq) |
| 1283 | { |
| 1284 | return container_of(ibsrq, struct mlx5_ib_srq, ibsrq); |
| 1285 | } |
| 1286 | |
| 1287 | static inline struct mlx5_ib_qp *to_mqp(struct ib_qp *ibqp) |
| 1288 | { |
| 1289 | return container_of(ibqp, struct mlx5_ib_qp, ibqp); |
| 1290 | } |
| 1291 | |
| 1292 | static inline struct mlx5_ib_rwq *to_mrwq(struct ib_wq *ibwq) |
| 1293 | { |
| 1294 | return container_of(ibwq, struct mlx5_ib_rwq, ibwq); |
| 1295 | } |
| 1296 | |
| 1297 | static inline struct mlx5_ib_rwq_ind_table *to_mrwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl) |
| 1298 | { |
| 1299 | return container_of(ib_rwq_ind_tbl, struct mlx5_ib_rwq_ind_table, ib_rwq_ind_tbl); |
| 1300 | } |
| 1301 | |
| 1302 | static inline struct mlx5_ib_srq *to_mibsrq(struct mlx5_core_srq *msrq) |
| 1303 | { |
| 1304 | return container_of(msrq, struct mlx5_ib_srq, msrq); |
| 1305 | } |
| 1306 | |
| 1307 | static inline struct mlx5_ib_mr *to_mmr(struct ib_mr *ibmr) |
| 1308 | { |
| 1309 | return container_of(ibmr, struct mlx5_ib_mr, ibmr); |
| 1310 | } |
| 1311 | |
| 1312 | static inline struct mlx5_ib_mw *to_mmw(struct ib_mw *ibmw) |
| 1313 | { |
| 1314 | return container_of(ibmw, struct mlx5_ib_mw, ibmw); |
| 1315 | } |
| 1316 | |
| 1317 | static inline struct mlx5_ib_flow_action * |
| 1318 | to_mflow_act(struct ib_flow_action *ibact) |
| 1319 | { |
| 1320 | return container_of(ibact, struct mlx5_ib_flow_action, ib_action); |
| 1321 | } |
| 1322 | |
| 1323 | static inline struct mlx5_user_mmap_entry * |
| 1324 | to_mmmap(struct rdma_user_mmap_entry *rdma_entry) |
| 1325 | { |
| 1326 | return container_of(rdma_entry, |
| 1327 | struct mlx5_user_mmap_entry, rdma_entry); |
| 1328 | } |
| 1329 | |
| 1330 | int mlx5_ib_dev_res_cq_init(struct mlx5_ib_dev *dev); |
| 1331 | int mlx5_ib_dev_res_srq_init(struct mlx5_ib_dev *dev); |
| 1332 | int mlx5_ib_db_map_user(struct mlx5_ib_ucontext *context, unsigned long virt, |
| 1333 | struct mlx5_db *db); |
| 1334 | void mlx5_ib_db_unmap_user(struct mlx5_ib_ucontext *context, struct mlx5_db *db); |
| 1335 | void __mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq); |
| 1336 | void mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq); |
| 1337 | void mlx5_ib_free_srq_wqe(struct mlx5_ib_srq *srq, int wqe_index); |
| 1338 | int mlx5_ib_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr, |
| 1339 | struct ib_udata *udata); |
| 1340 | int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr); |
| 1341 | static inline int mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags) |
| 1342 | { |
| 1343 | return 0; |
| 1344 | } |
| 1345 | int mlx5_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr, |
| 1346 | struct ib_udata *udata); |
| 1347 | int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, |
| 1348 | enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); |
| 1349 | int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr); |
| 1350 | int mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); |
| 1351 | int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr, |
| 1352 | const struct ib_recv_wr **bad_wr); |
| 1353 | int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp); |
| 1354 | void mlx5_ib_disable_lb(struct mlx5_ib_dev *dev, bool td, bool qp); |
| 1355 | int mlx5_ib_create_qp(struct ib_qp *qp, struct ib_qp_init_attr *init_attr, |
| 1356 | struct ib_udata *udata); |
| 1357 | int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, |
| 1358 | int attr_mask, struct ib_udata *udata); |
| 1359 | int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, |
| 1360 | struct ib_qp_init_attr *qp_init_attr); |
| 1361 | int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata); |
| 1362 | void mlx5_ib_drain_sq(struct ib_qp *qp); |
| 1363 | void mlx5_ib_drain_rq(struct ib_qp *qp); |
| 1364 | int mlx5_ib_read_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, |
| 1365 | size_t buflen, size_t *bc); |
| 1366 | int mlx5_ib_read_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer, |
| 1367 | size_t buflen, size_t *bc); |
| 1368 | int mlx5_ib_read_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index, void *buffer, |
| 1369 | size_t buflen, size_t *bc); |
| 1370 | int mlx5_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, |
| 1371 | struct uverbs_attr_bundle *attrs); |
| 1372 | int mlx5_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata); |
| 1373 | int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); |
| 1374 | int mlx5_ib_pre_destroy_cq(struct ib_cq *cq); |
| 1375 | void mlx5_ib_post_destroy_cq(struct ib_cq *cq); |
| 1376 | int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags); |
| 1377 | int mlx5_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); |
| 1378 | int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); |
| 1379 | struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc); |
| 1380 | struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, |
| 1381 | u64 virt_addr, int access_flags, |
| 1382 | struct ib_dmah *dmah, |
| 1383 | struct ib_udata *udata); |
| 1384 | struct ib_mr *mlx5_ib_reg_user_mr_dmabuf(struct ib_pd *pd, u64 start, |
| 1385 | u64 length, u64 virt_addr, |
| 1386 | int fd, int access_flags, |
| 1387 | struct ib_dmah *dmah, |
| 1388 | struct uverbs_attr_bundle *attrs); |
| 1389 | int mlx5_ib_advise_mr(struct ib_pd *pd, |
| 1390 | enum ib_uverbs_advise_mr_advice advice, |
| 1391 | u32 flags, |
| 1392 | struct ib_sge *sg_list, |
| 1393 | u32 num_sge, |
| 1394 | struct uverbs_attr_bundle *attrs); |
| 1395 | int mlx5_ib_alloc_mw(struct ib_mw *mw, struct ib_udata *udata); |
| 1396 | int mlx5_ib_dealloc_mw(struct ib_mw *mw); |
| 1397 | struct mlx5_ib_mr *mlx5_ib_alloc_implicit_mr(struct mlx5_ib_pd *pd, |
| 1398 | int access_flags); |
| 1399 | void mlx5_ib_free_odp_mr(struct mlx5_ib_mr *mr); |
| 1400 | struct ib_mr *mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, |
| 1401 | u64 length, u64 virt_addr, int access_flags, |
| 1402 | struct ib_pd *pd, struct ib_udata *udata); |
| 1403 | int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata); |
| 1404 | struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, |
| 1405 | u32 max_num_sg); |
| 1406 | struct ib_mr *mlx5_ib_alloc_mr_integrity(struct ib_pd *pd, |
| 1407 | u32 max_num_sg, |
| 1408 | u32 max_num_meta_sg); |
| 1409 | int mlx5_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, |
| 1410 | unsigned int *sg_offset); |
| 1411 | int mlx5_ib_map_mr_sg_pi(struct ib_mr *ibmr, struct scatterlist *data_sg, |
| 1412 | int data_sg_nents, unsigned int *data_sg_offset, |
| 1413 | struct scatterlist *meta_sg, int meta_sg_nents, |
| 1414 | unsigned int *meta_sg_offset); |
| 1415 | int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num, |
| 1416 | const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
| 1417 | const struct ib_mad *in, struct ib_mad *out, |
| 1418 | size_t *out_mad_size, u16 *out_mad_pkey_index); |
| 1419 | int mlx5_ib_alloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata); |
| 1420 | int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata); |
| 1421 | int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, unsigned int port); |
| 1422 | int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev, |
| 1423 | __be64 *sys_image_guid); |
| 1424 | int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev, |
| 1425 | u16 *max_pkeys); |
| 1426 | int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev, |
| 1427 | u32 *vendor_id); |
| 1428 | int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc); |
| 1429 | int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid); |
| 1430 | int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u32 port, u16 index, |
| 1431 | u16 *pkey); |
| 1432 | int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u32 port, int index, |
| 1433 | union ib_gid *gid); |
| 1434 | int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u32 port, |
| 1435 | struct ib_port_attr *props); |
| 1436 | int mlx5_ib_query_port(struct ib_device *ibdev, u32 port, |
| 1437 | struct ib_port_attr *props); |
| 1438 | void mlx5_ib_populate_pas(struct ib_umem *umem, size_t page_size, __be64 *pas, |
| 1439 | u64 access_flags); |
| 1440 | int mlx5_ib_get_cqe_size(struct ib_cq *ibcq); |
| 1441 | int mlx5_mkey_cache_init(struct mlx5_ib_dev *dev); |
| 1442 | void mlx5_mkey_cache_cleanup(struct mlx5_ib_dev *dev); |
| 1443 | struct mlx5_cache_ent * |
| 1444 | mlx5r_cache_create_ent_locked(struct mlx5_ib_dev *dev, |
| 1445 | struct mlx5r_cache_rb_key rb_key, |
| 1446 | bool persistent_entry); |
| 1447 | |
| 1448 | struct mlx5_ib_mr *mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev, |
| 1449 | int access_flags, int access_mode, |
| 1450 | int ndescs); |
| 1451 | |
| 1452 | int mlx5_ib_check_mr_status(struct ib_mr *ibmr, u32 check_mask, |
| 1453 | struct ib_mr_status *mr_status); |
| 1454 | struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd, |
| 1455 | struct ib_wq_init_attr *init_attr, |
| 1456 | struct ib_udata *udata); |
| 1457 | int mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata); |
| 1458 | int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr, |
| 1459 | u32 wq_attr_mask, struct ib_udata *udata); |
| 1460 | int mlx5_ib_create_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_table, |
| 1461 | struct ib_rwq_ind_table_init_attr *init_attr, |
| 1462 | struct ib_udata *udata); |
| 1463 | int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table); |
| 1464 | struct ib_mr *mlx5_ib_reg_dm_mr(struct ib_pd *pd, struct ib_dm *dm, |
| 1465 | struct ib_dm_mr_attr *attr, |
| 1466 | struct uverbs_attr_bundle *attrs); |
| 1467 | void mlx5_ib_data_direct_bind(struct mlx5_ib_dev *ibdev, |
| 1468 | struct mlx5_data_direct_dev *dev); |
| 1469 | void mlx5_ib_data_direct_unbind(struct mlx5_ib_dev *ibdev); |
| 1470 | void mlx5_ib_revoke_data_direct_mrs(struct mlx5_ib_dev *dev); |
| 1471 | |
| 1472 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
| 1473 | int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev); |
| 1474 | int mlx5r_odp_create_eq(struct mlx5_ib_dev *dev, struct mlx5_ib_pf_eq *eq); |
| 1475 | void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev); |
| 1476 | int __init mlx5_ib_odp_init(void); |
| 1477 | void mlx5_ib_odp_cleanup(void); |
| 1478 | int mlx5_odp_init_mkey_cache(struct mlx5_ib_dev *dev); |
| 1479 | int mlx5_odp_populate_xlt(void *xlt, size_t idx, size_t nentries, |
| 1480 | struct mlx5_ib_mr *mr, int flags); |
| 1481 | |
| 1482 | int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, |
| 1483 | enum ib_uverbs_advise_mr_advice advice, |
| 1484 | u32 flags, struct ib_sge *sg_list, u32 num_sge); |
| 1485 | int mlx5_ib_init_odp_mr(struct mlx5_ib_mr *mr); |
| 1486 | int mlx5_ib_init_dmabuf_mr(struct mlx5_ib_mr *mr); |
| 1487 | #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ |
| 1488 | static inline int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev) { return 0; } |
| 1489 | static inline int mlx5r_odp_create_eq(struct mlx5_ib_dev *dev, |
| 1490 | struct mlx5_ib_pf_eq *eq) |
| 1491 | { |
| 1492 | return 0; |
| 1493 | } |
| 1494 | static inline void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev) {} |
| 1495 | static inline int mlx5_ib_odp_init(void) { return 0; } |
| 1496 | static inline void mlx5_ib_odp_cleanup(void) {} |
| 1497 | static inline int mlx5_odp_init_mkey_cache(struct mlx5_ib_dev *dev) |
| 1498 | { |
| 1499 | return 0; |
| 1500 | } |
| 1501 | static inline int mlx5_odp_populate_xlt(void *xlt, size_t idx, size_t nentries, |
| 1502 | struct mlx5_ib_mr *mr, int flags) |
| 1503 | { |
| 1504 | return -EOPNOTSUPP; |
| 1505 | } |
| 1506 | |
| 1507 | static inline int |
| 1508 | mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, |
| 1509 | enum ib_uverbs_advise_mr_advice advice, u32 flags, |
| 1510 | struct ib_sge *sg_list, u32 num_sge) |
| 1511 | { |
| 1512 | return -EOPNOTSUPP; |
| 1513 | } |
| 1514 | static inline int mlx5_ib_init_odp_mr(struct mlx5_ib_mr *mr) |
| 1515 | { |
| 1516 | return -EOPNOTSUPP; |
| 1517 | } |
| 1518 | static inline int mlx5_ib_init_dmabuf_mr(struct mlx5_ib_mr *mr) |
| 1519 | { |
| 1520 | return -EOPNOTSUPP; |
| 1521 | } |
| 1522 | #endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ |
| 1523 | |
| 1524 | extern const struct mmu_interval_notifier_ops mlx5_mn_ops; |
| 1525 | |
| 1526 | /* Needed for rep profile */ |
| 1527 | void __mlx5_ib_remove(struct mlx5_ib_dev *dev, |
| 1528 | const struct mlx5_ib_profile *profile, |
| 1529 | int stage); |
| 1530 | int __mlx5_ib_add(struct mlx5_ib_dev *dev, |
| 1531 | const struct mlx5_ib_profile *profile); |
| 1532 | |
| 1533 | int mlx5_ib_get_vf_config(struct ib_device *device, int vf, |
| 1534 | u32 port, struct ifla_vf_info *info); |
| 1535 | int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf, |
| 1536 | u32 port, int state); |
| 1537 | int mlx5_ib_get_vf_stats(struct ib_device *device, int vf, |
| 1538 | u32 port, struct ifla_vf_stats *stats); |
| 1539 | int mlx5_ib_get_vf_guid(struct ib_device *device, int vf, u32 port, |
| 1540 | struct ifla_vf_guid *node_guid, |
| 1541 | struct ifla_vf_guid *port_guid); |
| 1542 | int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u32 port, |
| 1543 | u64 guid, int type); |
| 1544 | |
| 1545 | __be16 mlx5_get_roce_udp_sport_min(const struct mlx5_ib_dev *dev, |
| 1546 | const struct ib_gid_attr *attr); |
| 1547 | |
| 1548 | void mlx5_ib_cleanup_cong_debugfs(struct mlx5_ib_dev *dev, u32 port_num); |
| 1549 | void mlx5_ib_init_cong_debugfs(struct mlx5_ib_dev *dev, u32 port_num); |
| 1550 | |
| 1551 | /* GSI QP helper functions */ |
| 1552 | int mlx5_ib_create_gsi(struct ib_pd *pd, struct mlx5_ib_qp *mqp, |
| 1553 | struct ib_qp_init_attr *attr); |
| 1554 | int mlx5_ib_destroy_gsi(struct mlx5_ib_qp *mqp); |
| 1555 | int mlx5_ib_gsi_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr, |
| 1556 | int attr_mask); |
| 1557 | int mlx5_ib_gsi_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, |
| 1558 | int qp_attr_mask, |
| 1559 | struct ib_qp_init_attr *qp_init_attr); |
| 1560 | int mlx5_ib_gsi_post_send(struct ib_qp *qp, const struct ib_send_wr *wr, |
| 1561 | const struct ib_send_wr **bad_wr); |
| 1562 | int mlx5_ib_gsi_post_recv(struct ib_qp *qp, const struct ib_recv_wr *wr, |
| 1563 | const struct ib_recv_wr **bad_wr); |
| 1564 | void mlx5_ib_gsi_pkey_change(struct mlx5_ib_gsi_qp *gsi); |
| 1565 | |
| 1566 | int mlx5_ib_generate_wc(struct ib_cq *ibcq, struct ib_wc *wc); |
| 1567 | |
| 1568 | void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, |
| 1569 | int bfregn); |
| 1570 | struct mlx5_ib_dev *mlx5_ib_get_ibdev_from_mpi(struct mlx5_ib_multiport_info *mpi); |
| 1571 | struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *dev, |
| 1572 | u32 ib_port_num, |
| 1573 | u32 *native_port_num); |
| 1574 | void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *dev, |
| 1575 | u32 port_num); |
| 1576 | |
| 1577 | extern const struct uapi_definition mlx5_ib_devx_defs[]; |
| 1578 | extern const struct uapi_definition mlx5_ib_flow_defs[]; |
| 1579 | extern const struct uapi_definition mlx5_ib_qos_defs[]; |
| 1580 | extern const struct uapi_definition mlx5_ib_std_types_defs[]; |
| 1581 | extern const struct uapi_definition mlx5_ib_create_cq_defs[]; |
| 1582 | |
| 1583 | static inline int is_qp1(enum ib_qp_type qp_type) |
| 1584 | { |
| 1585 | return qp_type == MLX5_IB_QPT_HW_GSI || qp_type == IB_QPT_GSI; |
| 1586 | } |
| 1587 | |
| 1588 | static inline u32 check_cq_create_flags(u32 flags) |
| 1589 | { |
| 1590 | /* |
| 1591 | * It returns non-zero value for unsupported CQ |
| 1592 | * create flags, otherwise it returns zero. |
| 1593 | */ |
| 1594 | return (flags & ~(IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN | |
| 1595 | IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION)); |
| 1596 | } |
| 1597 | |
| 1598 | static inline int verify_assign_uidx(u8 cqe_version, u32 cmd_uidx, |
| 1599 | u32 *user_index) |
| 1600 | { |
| 1601 | if (cqe_version) { |
| 1602 | if ((cmd_uidx == MLX5_IB_DEFAULT_UIDX) || |
| 1603 | (cmd_uidx & ~MLX5_USER_ASSIGNED_UIDX_MASK)) |
| 1604 | return -EINVAL; |
| 1605 | *user_index = cmd_uidx; |
| 1606 | } else { |
| 1607 | *user_index = MLX5_IB_DEFAULT_UIDX; |
| 1608 | } |
| 1609 | |
| 1610 | return 0; |
| 1611 | } |
| 1612 | |
| 1613 | static inline int get_qp_user_index(struct mlx5_ib_ucontext *ucontext, |
| 1614 | struct mlx5_ib_create_qp *ucmd, |
| 1615 | int inlen, |
| 1616 | u32 *user_index) |
| 1617 | { |
| 1618 | u8 cqe_version = ucontext->cqe_version; |
| 1619 | |
| 1620 | if ((offsetofend(typeof(*ucmd), uidx) <= inlen) && !cqe_version && |
| 1621 | (ucmd->uidx == MLX5_IB_DEFAULT_UIDX)) |
| 1622 | return 0; |
| 1623 | |
| 1624 | if ((offsetofend(typeof(*ucmd), uidx) <= inlen) != !!cqe_version) |
| 1625 | return -EINVAL; |
| 1626 | |
| 1627 | return verify_assign_uidx(cqe_version, cmd_uidx: ucmd->uidx, user_index); |
| 1628 | } |
| 1629 | |
| 1630 | static inline int get_srq_user_index(struct mlx5_ib_ucontext *ucontext, |
| 1631 | struct mlx5_ib_create_srq *ucmd, |
| 1632 | int inlen, |
| 1633 | u32 *user_index) |
| 1634 | { |
| 1635 | u8 cqe_version = ucontext->cqe_version; |
| 1636 | |
| 1637 | if ((offsetofend(typeof(*ucmd), uidx) <= inlen) && !cqe_version && |
| 1638 | (ucmd->uidx == MLX5_IB_DEFAULT_UIDX)) |
| 1639 | return 0; |
| 1640 | |
| 1641 | if ((offsetofend(typeof(*ucmd), uidx) <= inlen) != !!cqe_version) |
| 1642 | return -EINVAL; |
| 1643 | |
| 1644 | return verify_assign_uidx(cqe_version, cmd_uidx: ucmd->uidx, user_index); |
| 1645 | } |
| 1646 | |
| 1647 | static inline int get_uars_per_sys_page(struct mlx5_ib_dev *dev, bool lib_support) |
| 1648 | { |
| 1649 | return lib_support && MLX5_CAP_GEN(dev->mdev, uar_4k) ? |
| 1650 | MLX5_UARS_IN_PAGE : 1; |
| 1651 | } |
| 1652 | |
| 1653 | extern void *xlt_emergency_page; |
| 1654 | |
| 1655 | int bfregn_to_uar_index(struct mlx5_ib_dev *dev, |
| 1656 | struct mlx5_bfreg_info *bfregi, u32 bfregn, |
| 1657 | bool dyn_bfreg); |
| 1658 | |
| 1659 | static inline int mlx5r_store_odp_mkey(struct mlx5_ib_dev *dev, |
| 1660 | struct mlx5_ib_mkey *mmkey) |
| 1661 | { |
| 1662 | refcount_set(r: &mmkey->usecount, n: 1); |
| 1663 | |
| 1664 | return xa_err(entry: xa_store(&dev->odp_mkeys, index: mlx5_base_mkey(key: mmkey->key), |
| 1665 | entry: mmkey, GFP_KERNEL)); |
| 1666 | } |
| 1667 | |
| 1668 | /* deref an mkey that can participate in ODP flow */ |
| 1669 | static inline void mlx5r_deref_odp_mkey(struct mlx5_ib_mkey *mmkey) |
| 1670 | { |
| 1671 | if (refcount_dec_and_test(r: &mmkey->usecount)) |
| 1672 | wake_up(&mmkey->wait); |
| 1673 | } |
| 1674 | |
| 1675 | /* deref an mkey that can participate in ODP flow and wait for relese */ |
| 1676 | static inline void mlx5r_deref_wait_odp_mkey(struct mlx5_ib_mkey *mmkey) |
| 1677 | { |
| 1678 | mlx5r_deref_odp_mkey(mmkey); |
| 1679 | wait_event(mmkey->wait, refcount_read(&mmkey->usecount) == 0); |
| 1680 | } |
| 1681 | |
| 1682 | static inline bool mlx5_ib_lag_should_assign_affinity(struct mlx5_ib_dev *dev) |
| 1683 | { |
| 1684 | /* |
| 1685 | * If the driver is in hash mode and the port_select_flow_table_bypass cap |
| 1686 | * is supported, it means that the driver no longer needs to assign the port |
| 1687 | * affinity by default. If a user wants to set the port affinity explicitly, |
| 1688 | * the user has a dedicated API to do that, so there is no need to assign |
| 1689 | * the port affinity by default. |
| 1690 | */ |
| 1691 | if (dev->lag_active && |
| 1692 | mlx5_lag_mode_is_hash(dev: dev->mdev) && |
| 1693 | MLX5_CAP_PORT_SELECTION(dev->mdev, port_select_flow_table_bypass)) |
| 1694 | return 0; |
| 1695 | |
| 1696 | if (mlx5_lag_is_lacp_owner(dev: dev->mdev) && !dev->lag_active) |
| 1697 | return 0; |
| 1698 | |
| 1699 | return dev->lag_active || |
| 1700 | (MLX5_CAP_GEN(dev->mdev, num_lag_ports) > 1 && |
| 1701 | MLX5_CAP_GEN(dev->mdev, lag_tx_port_affinity)); |
| 1702 | } |
| 1703 | |
| 1704 | static inline bool rt_supported(int ts_cap) |
| 1705 | { |
| 1706 | return ts_cap == MLX5_TIMESTAMP_FORMAT_CAP_REAL_TIME || |
| 1707 | ts_cap == MLX5_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME; |
| 1708 | } |
| 1709 | |
| 1710 | /* |
| 1711 | * PCI Peer to Peer is a trainwreck. If no switch is present then things |
| 1712 | * sometimes work, depending on the pci_distance_p2p logic for excluding broken |
| 1713 | * root complexes. However if a switch is present in the path, then things get |
| 1714 | * really ugly depending on how the switch is setup. This table assumes that the |
| 1715 | * root complex is strict and is validating that all req/reps are matches |
| 1716 | * perfectly - so any scenario where it sees only half the transaction is a |
| 1717 | * failure. |
| 1718 | * |
| 1719 | * CR/RR/DT ATS RO P2P |
| 1720 | * 00X X X OK |
| 1721 | * 010 X X fails (request is routed to root but root never sees comp) |
| 1722 | * 011 0 X fails (request is routed to root but root never sees comp) |
| 1723 | * 011 1 X OK |
| 1724 | * 10X X 1 OK |
| 1725 | * 101 X 0 fails (completion is routed to root but root didn't see req) |
| 1726 | * 110 X 0 SLOW |
| 1727 | * 111 0 0 SLOW |
| 1728 | * 111 1 0 fails (completion is routed to root but root didn't see req) |
| 1729 | * 111 1 1 OK |
| 1730 | * |
| 1731 | * Unfortunately we cannot reliably know if a switch is present or what the |
| 1732 | * CR/RR/DT ACS settings are, as in a VM that is all hidden. Assume that |
| 1733 | * CR/RR/DT is 111 if the ATS cap is enabled and follow the last three rows. |
| 1734 | * |
| 1735 | * For now assume if the umem is a dma_buf then it is P2P. |
| 1736 | */ |
| 1737 | static inline bool mlx5_umem_needs_ats(struct mlx5_ib_dev *dev, |
| 1738 | struct ib_umem *umem, int access_flags) |
| 1739 | { |
| 1740 | if (!MLX5_CAP_GEN(dev->mdev, ats) || !umem->is_dmabuf) |
| 1741 | return false; |
| 1742 | return access_flags & IB_ACCESS_RELAXED_ORDERING; |
| 1743 | } |
| 1744 | |
| 1745 | int set_roce_addr(struct mlx5_ib_dev *dev, u32 port_num, |
| 1746 | unsigned int index, const union ib_gid *gid, |
| 1747 | const struct ib_gid_attr *attr); |
| 1748 | |
| 1749 | static inline u32 smi_to_native_portnum(struct mlx5_ib_dev *dev, u32 port) |
| 1750 | { |
| 1751 | return (port - 1) / dev->num_ports + 1; |
| 1752 | } |
| 1753 | |
| 1754 | static inline unsigned int get_max_log_entity_size_cap(struct mlx5_ib_dev *dev, |
| 1755 | int access_mode) |
| 1756 | { |
| 1757 | int max_log_size = 0; |
| 1758 | |
| 1759 | if (access_mode == MLX5_MKC_ACCESS_MODE_MTT) |
| 1760 | max_log_size = |
| 1761 | MLX5_CAP_GEN_2(dev->mdev, max_mkey_log_entity_size_mtt); |
| 1762 | else if (access_mode == MLX5_MKC_ACCESS_MODE_KSM) |
| 1763 | max_log_size = MLX5_CAP_GEN_2( |
| 1764 | dev->mdev, max_mkey_log_entity_size_fixed_buffer); |
| 1765 | |
| 1766 | if (!max_log_size || |
| 1767 | (max_log_size > 31 && |
| 1768 | !MLX5_CAP_GEN_2(dev->mdev, umr_log_entity_size_5))) |
| 1769 | max_log_size = 31; |
| 1770 | |
| 1771 | return max_log_size; |
| 1772 | } |
| 1773 | |
| 1774 | static inline unsigned int get_min_log_entity_size_cap(struct mlx5_ib_dev *dev, |
| 1775 | int access_mode) |
| 1776 | { |
| 1777 | int min_log_size = 0; |
| 1778 | |
| 1779 | if (access_mode == MLX5_MKC_ACCESS_MODE_KSM && |
| 1780 | MLX5_CAP_GEN_2(dev->mdev, |
| 1781 | min_mkey_log_entity_size_fixed_buffer_valid)) |
| 1782 | min_log_size = MLX5_CAP_GEN_2( |
| 1783 | dev->mdev, min_mkey_log_entity_size_fixed_buffer); |
| 1784 | else |
| 1785 | min_log_size = |
| 1786 | MLX5_CAP_GEN_2(dev->mdev, log_min_mkey_entity_size); |
| 1787 | |
| 1788 | min_log_size = max(min_log_size, MLX5_ADAPTER_PAGE_SHIFT); |
| 1789 | return min_log_size; |
| 1790 | } |
| 1791 | |
| 1792 | /* |
| 1793 | * For mkc users, instead of a page_offset the command has a start_iova which |
| 1794 | * specifies both the page_offset and the on-the-wire IOVA |
| 1795 | */ |
| 1796 | static __always_inline unsigned long |
| 1797 | mlx5_umem_mkc_find_best_pgsz(struct mlx5_ib_dev *dev, struct ib_umem *umem, |
| 1798 | u64 iova, int access_mode) |
| 1799 | { |
| 1800 | unsigned int max_log_entity_size_cap, min_log_entity_size_cap; |
| 1801 | unsigned long bitmap; |
| 1802 | |
| 1803 | max_log_entity_size_cap = get_max_log_entity_size_cap(dev, access_mode); |
| 1804 | min_log_entity_size_cap = get_min_log_entity_size_cap(dev, access_mode); |
| 1805 | |
| 1806 | bitmap = GENMASK_ULL(max_log_entity_size_cap, min_log_entity_size_cap); |
| 1807 | |
| 1808 | /* In KSM mode HW requires IOVA and mkey's page size to be aligned */ |
| 1809 | if (access_mode == MLX5_MKC_ACCESS_MODE_KSM && iova) |
| 1810 | bitmap &= GENMASK_ULL(__ffs64(iova), 0); |
| 1811 | |
| 1812 | return ib_umem_find_best_pgsz(umem, pgsz_bitmap: bitmap, virt: iova); |
| 1813 | } |
| 1814 | |
| 1815 | static inline unsigned long |
| 1816 | mlx5_umem_dmabuf_find_best_pgsz(struct ib_umem_dmabuf *umem_dmabuf, |
| 1817 | int access_mode) |
| 1818 | { |
| 1819 | return mlx5_umem_mkc_find_best_pgsz(dev: to_mdev(ibdev: umem_dmabuf->umem.ibdev), |
| 1820 | umem: &umem_dmabuf->umem, |
| 1821 | iova: umem_dmabuf->umem.iova, |
| 1822 | access_mode); |
| 1823 | } |
| 1824 | |
| 1825 | #endif /* MLX5_IB_H */ |
| 1826 | |