ib_user_verbs.h (28964B) - Raw
1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ 2 /* 3 * Copyright (c) 2005 Topspin Communications. All rights reserved. 4 * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. 5 * Copyright (c) 2005 PathScale, Inc. All rights reserved. 6 * Copyright (c) 2006 Mellanox Technologies. All rights reserved. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * OpenIB.org BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer. 21 * 22 * - Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials 25 * provided with the distribution. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 */ 36 37 #ifndef IB_USER_VERBS_H 38 #define IB_USER_VERBS_H 39 40 #include <linux/types.h> 41 42 /* 43 * Increment this value if any changes that break userspace ABI 44 * compatibility are made. 45 */ 46 #define IB_USER_VERBS_ABI_VERSION 6 47 #define IB_USER_VERBS_CMD_THRESHOLD 50 48 49 enum ib_uverbs_write_cmds { 50 IB_USER_VERBS_CMD_GET_CONTEXT, 51 IB_USER_VERBS_CMD_QUERY_DEVICE, 52 IB_USER_VERBS_CMD_QUERY_PORT, 53 IB_USER_VERBS_CMD_ALLOC_PD, 54 IB_USER_VERBS_CMD_DEALLOC_PD, 55 IB_USER_VERBS_CMD_CREATE_AH, 56 IB_USER_VERBS_CMD_MODIFY_AH, 57 IB_USER_VERBS_CMD_QUERY_AH, 58 IB_USER_VERBS_CMD_DESTROY_AH, 59 IB_USER_VERBS_CMD_REG_MR, 60 IB_USER_VERBS_CMD_REG_SMR, 61 IB_USER_VERBS_CMD_REREG_MR, 62 IB_USER_VERBS_CMD_QUERY_MR, 63 IB_USER_VERBS_CMD_DEREG_MR, 64 IB_USER_VERBS_CMD_ALLOC_MW, 65 IB_USER_VERBS_CMD_BIND_MW, 66 IB_USER_VERBS_CMD_DEALLOC_MW, 67 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL, 68 IB_USER_VERBS_CMD_CREATE_CQ, 69 IB_USER_VERBS_CMD_RESIZE_CQ, 70 IB_USER_VERBS_CMD_DESTROY_CQ, 71 IB_USER_VERBS_CMD_POLL_CQ, 72 IB_USER_VERBS_CMD_PEEK_CQ, 73 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ, 74 IB_USER_VERBS_CMD_CREATE_QP, 75 IB_USER_VERBS_CMD_QUERY_QP, 76 IB_USER_VERBS_CMD_MODIFY_QP, 77 IB_USER_VERBS_CMD_DESTROY_QP, 78 IB_USER_VERBS_CMD_POST_SEND, 79 IB_USER_VERBS_CMD_POST_RECV, 80 IB_USER_VERBS_CMD_ATTACH_MCAST, 81 IB_USER_VERBS_CMD_DETACH_MCAST, 82 IB_USER_VERBS_CMD_CREATE_SRQ, 83 IB_USER_VERBS_CMD_MODIFY_SRQ, 84 IB_USER_VERBS_CMD_QUERY_SRQ, 85 IB_USER_VERBS_CMD_DESTROY_SRQ, 86 IB_USER_VERBS_CMD_POST_SRQ_RECV, 87 IB_USER_VERBS_CMD_OPEN_XRCD, 88 IB_USER_VERBS_CMD_CLOSE_XRCD, 89 IB_USER_VERBS_CMD_CREATE_XSRQ, 90 IB_USER_VERBS_CMD_OPEN_QP, 91 }; 92 93 enum { 94 IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE, 95 IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ, 96 IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP, 97 IB_USER_VERBS_EX_CMD_MODIFY_QP = IB_USER_VERBS_CMD_MODIFY_QP, 98 IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD, 99 IB_USER_VERBS_EX_CMD_DESTROY_FLOW, 100 IB_USER_VERBS_EX_CMD_CREATE_WQ, 101 IB_USER_VERBS_EX_CMD_MODIFY_WQ, 102 IB_USER_VERBS_EX_CMD_DESTROY_WQ, 103 IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL, 104 IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL, 105 IB_USER_VERBS_EX_CMD_MODIFY_CQ 106 }; 107 108 /* see IBA A19.4.1.1 Placement Types */ 109 enum ib_placement_type { 110 IB_FLUSH_GLOBAL = 1U << 0, 111 IB_FLUSH_PERSISTENT = 1U << 1, 112 }; 113 114 /* see IBA A19.4.1.2 Selectivity Level */ 115 enum ib_selectivity_level { 116 IB_FLUSH_RANGE = 0, 117 IB_FLUSH_MR, 118 }; 119 120 /* 121 * Make sure that all structs defined in this file remain laid out so 122 * that they pack the same way on 32-bit and 64-bit architectures (to 123 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 124 * Specifically: 125 * - Do not use pointer types -- pass pointers in __u64 instead. 126 * - Make sure that any structure larger than 4 bytes is padded to a 127 * multiple of 8 bytes. Otherwise the structure size will be 128 * different between 32-bit and 64-bit architectures. 129 */ 130 131 struct ib_uverbs_async_event_desc { 132 __aligned_u64 element; 133 __u32 event_type; /* enum ib_event_type */ 134 __u32 reserved; 135 }; 136 137 struct ib_uverbs_comp_event_desc { 138 __aligned_u64 cq_handle; 139 }; 140 141 struct ib_uverbs_cq_moderation_caps { 142 __u16 max_cq_moderation_count; 143 __u16 max_cq_moderation_period; 144 __u32 reserved; 145 }; 146 147 /* 148 * All commands from userspace should start with a __u32 command field 149 * followed by __u16 in_words and out_words fields (which give the 150 * length of the command block and response buffer if any in 32-bit 151 * words). The kernel driver will read these fields first and read 152 * the rest of the command struct based on these value. 153 */ 154 155 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff 156 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80000000u 157 158 struct ib_uverbs_cmd_hdr { 159 __u32 command; 160 __u16 in_words; 161 __u16 out_words; 162 }; 163 164 struct ib_uverbs_ex_cmd_hdr { 165 __aligned_u64 response; 166 __u16 provider_in_words; 167 __u16 provider_out_words; 168 __u32 cmd_hdr_reserved; 169 }; 170 171 struct ib_uverbs_get_context { 172 __aligned_u64 response; 173 __aligned_u64 driver_data[]; 174 }; 175 176 struct ib_uverbs_get_context_resp { 177 __u32 async_fd; 178 __u32 num_comp_vectors; 179 __aligned_u64 driver_data[]; 180 }; 181 182 struct ib_uverbs_query_device { 183 __aligned_u64 response; 184 __aligned_u64 driver_data[]; 185 }; 186 187 struct ib_uverbs_query_device_resp { 188 __aligned_u64 fw_ver; 189 __be64 node_guid; 190 __be64 sys_image_guid; 191 __aligned_u64 max_mr_size; 192 __aligned_u64 page_size_cap; 193 __u32 vendor_id; 194 __u32 vendor_part_id; 195 __u32 hw_ver; 196 __u32 max_qp; 197 __u32 max_qp_wr; 198 __u32 device_cap_flags; 199 __u32 max_sge; 200 __u32 max_sge_rd; 201 __u32 max_cq; 202 __u32 max_cqe; 203 __u32 max_mr; 204 __u32 max_pd; 205 __u32 max_qp_rd_atom; 206 __u32 max_ee_rd_atom; 207 __u32 max_res_rd_atom; 208 __u32 max_qp_init_rd_atom; 209 __u32 max_ee_init_rd_atom; 210 __u32 atomic_cap; 211 __u32 max_ee; 212 __u32 max_rdd; 213 __u32 max_mw; 214 __u32 max_raw_ipv6_qp; 215 __u32 max_raw_ethy_qp; 216 __u32 max_mcast_grp; 217 __u32 max_mcast_qp_attach; 218 __u32 max_total_mcast_qp_attach; 219 __u32 max_ah; 220 __u32 max_fmr; 221 __u32 max_map_per_fmr; 222 __u32 max_srq; 223 __u32 max_srq_wr; 224 __u32 max_srq_sge; 225 __u16 max_pkeys; 226 __u8 local_ca_ack_delay; 227 __u8 phys_port_cnt; 228 __u8 reserved[4]; 229 }; 230 231 struct ib_uverbs_ex_query_device { 232 __u32 comp_mask; 233 __u32 reserved; 234 }; 235 236 struct ib_uverbs_odp_caps { 237 __aligned_u64 general_caps; 238 struct { 239 __u32 rc_odp_caps; 240 __u32 uc_odp_caps; 241 __u32 ud_odp_caps; 242 } per_transport_caps; 243 __u32 reserved; 244 }; 245 246 struct ib_uverbs_rss_caps { 247 /* Corresponding bit will be set if qp type from 248 * 'enum ib_qp_type' is supported, e.g. 249 * supported_qpts |= 1 << IB_QPT_UD 250 */ 251 __u32 supported_qpts; 252 __u32 max_rwq_indirection_tables; 253 __u32 max_rwq_indirection_table_size; 254 __u32 reserved; 255 }; 256 257 struct ib_uverbs_tm_caps { 258 /* Max size of rendezvous request message */ 259 __u32 max_rndv_hdr_size; 260 /* Max number of entries in tag matching list */ 261 __u32 max_num_tags; 262 /* TM flags */ 263 __u32 flags; 264 /* Max number of outstanding list operations */ 265 __u32 max_ops; 266 /* Max number of SGE in tag matching entry */ 267 __u32 max_sge; 268 __u32 reserved; 269 }; 270 271 struct ib_uverbs_ex_query_device_resp { 272 struct ib_uverbs_query_device_resp base; 273 __u32 comp_mask; 274 __u32 response_length; 275 struct ib_uverbs_odp_caps odp_caps; 276 __aligned_u64 timestamp_mask; 277 __aligned_u64 hca_core_clock; /* in KHZ */ 278 __aligned_u64 device_cap_flags_ex; 279 struct ib_uverbs_rss_caps rss_caps; 280 __u32 max_wq_type_rq; 281 __u32 raw_packet_caps; 282 struct ib_uverbs_tm_caps tm_caps; 283 struct ib_uverbs_cq_moderation_caps cq_moderation_caps; 284 __aligned_u64 max_dm_size; 285 __u32 xrc_odp_caps; 286 __u32 reserved; 287 }; 288 289 struct ib_uverbs_query_port { 290 __aligned_u64 response; 291 __u8 port_num; 292 __u8 reserved[7]; 293 __aligned_u64 driver_data[]; 294 }; 295 296 struct ib_uverbs_query_port_resp { 297 __u32 port_cap_flags; /* see ib_uverbs_query_port_cap_flags */ 298 __u32 max_msg_sz; 299 __u32 bad_pkey_cntr; 300 __u32 qkey_viol_cntr; 301 __u32 gid_tbl_len; 302 __u16 pkey_tbl_len; 303 __u16 lid; 304 __u16 sm_lid; 305 __u8 state; 306 __u8 max_mtu; 307 __u8 active_mtu; 308 __u8 lmc; 309 __u8 max_vl_num; 310 __u8 sm_sl; 311 __u8 subnet_timeout; 312 __u8 init_type_reply; 313 __u8 active_width; 314 __u8 active_speed; 315 __u8 phys_state; 316 __u8 link_layer; 317 __u8 flags; /* see ib_uverbs_query_port_flags */ 318 __u8 reserved; 319 }; 320 321 struct ib_uverbs_alloc_pd { 322 __aligned_u64 response; 323 __aligned_u64 driver_data[]; 324 }; 325 326 struct ib_uverbs_alloc_pd_resp { 327 __u32 pd_handle; 328 __u32 driver_data[]; 329 }; 330 331 struct ib_uverbs_dealloc_pd { 332 __u32 pd_handle; 333 }; 334 335 struct ib_uverbs_open_xrcd { 336 __aligned_u64 response; 337 __u32 fd; 338 __u32 oflags; 339 __aligned_u64 driver_data[]; 340 }; 341 342 struct ib_uverbs_open_xrcd_resp { 343 __u32 xrcd_handle; 344 __u32 driver_data[]; 345 }; 346 347 struct ib_uverbs_close_xrcd { 348 __u32 xrcd_handle; 349 }; 350 351 struct ib_uverbs_reg_mr { 352 __aligned_u64 response; 353 __aligned_u64 start; 354 __aligned_u64 length; 355 __aligned_u64 hca_va; 356 __u32 pd_handle; 357 __u32 access_flags; 358 __aligned_u64 driver_data[]; 359 }; 360 361 struct ib_uverbs_reg_mr_resp { 362 __u32 mr_handle; 363 __u32 lkey; 364 __u32 rkey; 365 __u32 driver_data[]; 366 }; 367 368 struct ib_uverbs_rereg_mr { 369 __aligned_u64 response; 370 __u32 mr_handle; 371 __u32 flags; 372 __aligned_u64 start; 373 __aligned_u64 length; 374 __aligned_u64 hca_va; 375 __u32 pd_handle; 376 __u32 access_flags; 377 __aligned_u64 driver_data[]; 378 }; 379 380 struct ib_uverbs_rereg_mr_resp { 381 __u32 lkey; 382 __u32 rkey; 383 __aligned_u64 driver_data[]; 384 }; 385 386 struct ib_uverbs_dereg_mr { 387 __u32 mr_handle; 388 }; 389 390 struct ib_uverbs_alloc_mw { 391 __aligned_u64 response; 392 __u32 pd_handle; 393 __u8 mw_type; 394 __u8 reserved[3]; 395 __aligned_u64 driver_data[]; 396 }; 397 398 struct ib_uverbs_alloc_mw_resp { 399 __u32 mw_handle; 400 __u32 rkey; 401 __aligned_u64 driver_data[]; 402 }; 403 404 struct ib_uverbs_dealloc_mw { 405 __u32 mw_handle; 406 }; 407 408 struct ib_uverbs_create_comp_channel { 409 __aligned_u64 response; 410 }; 411 412 struct ib_uverbs_create_comp_channel_resp { 413 __u32 fd; 414 }; 415 416 struct ib_uverbs_create_cq { 417 __aligned_u64 response; 418 __aligned_u64 user_handle; 419 __u32 cqe; 420 __u32 comp_vector; 421 __s32 comp_channel; 422 __u32 reserved; 423 __aligned_u64 driver_data[]; 424 }; 425 426 enum ib_uverbs_ex_create_cq_flags { 427 IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0, 428 IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1, 429 }; 430 431 struct ib_uverbs_ex_create_cq { 432 __aligned_u64 user_handle; 433 __u32 cqe; 434 __u32 comp_vector; 435 __s32 comp_channel; 436 __u32 comp_mask; 437 __u32 flags; /* bitmask of ib_uverbs_ex_create_cq_flags */ 438 __u32 reserved; 439 }; 440 441 struct ib_uverbs_create_cq_resp { 442 __u32 cq_handle; 443 __u32 cqe; 444 __aligned_u64 driver_data[0]; 445 }; 446 447 struct ib_uverbs_ex_create_cq_resp { 448 struct ib_uverbs_create_cq_resp base; 449 __u32 comp_mask; 450 __u32 response_length; 451 }; 452 453 struct ib_uverbs_resize_cq { 454 __aligned_u64 response; 455 __u32 cq_handle; 456 __u32 cqe; 457 __aligned_u64 driver_data[]; 458 }; 459 460 struct ib_uverbs_resize_cq_resp { 461 __u32 cqe; 462 __u32 reserved; 463 __aligned_u64 driver_data[]; 464 }; 465 466 struct ib_uverbs_poll_cq { 467 __aligned_u64 response; 468 __u32 cq_handle; 469 __u32 ne; 470 }; 471 472 enum ib_uverbs_wc_opcode { 473 IB_UVERBS_WC_SEND = 0, 474 IB_UVERBS_WC_RDMA_WRITE = 1, 475 IB_UVERBS_WC_RDMA_READ = 2, 476 IB_UVERBS_WC_COMP_SWAP = 3, 477 IB_UVERBS_WC_FETCH_ADD = 4, 478 IB_UVERBS_WC_BIND_MW = 5, 479 IB_UVERBS_WC_LOCAL_INV = 6, 480 IB_UVERBS_WC_TSO = 7, 481 IB_UVERBS_WC_FLUSH = 8, 482 IB_UVERBS_WC_ATOMIC_WRITE = 9, 483 }; 484 485 struct ib_uverbs_wc { 486 __aligned_u64 wr_id; 487 __u32 status; 488 __u32 opcode; 489 __u32 vendor_err; 490 __u32 byte_len; 491 union { 492 __be32 imm_data; 493 __u32 invalidate_rkey; 494 } ex; 495 __u32 qp_num; 496 __u32 src_qp; 497 __u32 wc_flags; 498 __u16 pkey_index; 499 __u16 slid; 500 __u8 sl; 501 __u8 dlid_path_bits; 502 __u8 port_num; 503 __u8 reserved; 504 }; 505 506 struct ib_uverbs_poll_cq_resp { 507 __u32 count; 508 __u32 reserved; 509 struct ib_uverbs_wc wc[]; 510 }; 511 512 struct ib_uverbs_req_notify_cq { 513 __u32 cq_handle; 514 __u32 solicited_only; 515 }; 516 517 struct ib_uverbs_destroy_cq { 518 __aligned_u64 response; 519 __u32 cq_handle; 520 __u32 reserved; 521 }; 522 523 struct ib_uverbs_destroy_cq_resp { 524 __u32 comp_events_reported; 525 __u32 async_events_reported; 526 }; 527 528 struct ib_uverbs_global_route { 529 __u8 dgid[16]; 530 __u32 flow_label; 531 __u8 sgid_index; 532 __u8 hop_limit; 533 __u8 traffic_class; 534 __u8 reserved; 535 }; 536 537 struct ib_uverbs_ah_attr { 538 struct ib_uverbs_global_route grh; 539 __u16 dlid; 540 __u8 sl; 541 __u8 src_path_bits; 542 __u8 static_rate; 543 __u8 is_global; 544 __u8 port_num; 545 __u8 reserved; 546 }; 547 548 struct ib_uverbs_qp_attr { 549 __u32 qp_attr_mask; 550 __u32 qp_state; 551 __u32 cur_qp_state; 552 __u32 path_mtu; 553 __u32 path_mig_state; 554 __u32 qkey; 555 __u32 rq_psn; 556 __u32 sq_psn; 557 __u32 dest_qp_num; 558 __u32 qp_access_flags; 559 560 struct ib_uverbs_ah_attr ah_attr; 561 struct ib_uverbs_ah_attr alt_ah_attr; 562 563 /* ib_qp_cap */ 564 __u32 max_send_wr; 565 __u32 max_recv_wr; 566 __u32 max_send_sge; 567 __u32 max_recv_sge; 568 __u32 max_inline_data; 569 570 __u16 pkey_index; 571 __u16 alt_pkey_index; 572 __u8 en_sqd_async_notify; 573 __u8 sq_draining; 574 __u8 max_rd_atomic; 575 __u8 max_dest_rd_atomic; 576 __u8 min_rnr_timer; 577 __u8 port_num; 578 __u8 timeout; 579 __u8 retry_cnt; 580 __u8 rnr_retry; 581 __u8 alt_port_num; 582 __u8 alt_timeout; 583 __u8 reserved[5]; 584 }; 585 586 struct ib_uverbs_create_qp { 587 __aligned_u64 response; 588 __aligned_u64 user_handle; 589 __u32 pd_handle; 590 __u32 send_cq_handle; 591 __u32 recv_cq_handle; 592 __u32 srq_handle; 593 __u32 max_send_wr; 594 __u32 max_recv_wr; 595 __u32 max_send_sge; 596 __u32 max_recv_sge; 597 __u32 max_inline_data; 598 __u8 sq_sig_all; 599 __u8 qp_type; 600 __u8 is_srq; 601 __u8 reserved; 602 __aligned_u64 driver_data[]; 603 }; 604 605 enum ib_uverbs_create_qp_mask { 606 IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0, 607 }; 608 609 enum { 610 IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE, 611 }; 612 613 struct ib_uverbs_ex_create_qp { 614 __aligned_u64 user_handle; 615 __u32 pd_handle; 616 __u32 send_cq_handle; 617 __u32 recv_cq_handle; 618 __u32 srq_handle; 619 __u32 max_send_wr; 620 __u32 max_recv_wr; 621 __u32 max_send_sge; 622 __u32 max_recv_sge; 623 __u32 max_inline_data; 624 __u8 sq_sig_all; 625 __u8 qp_type; 626 __u8 is_srq; 627 __u8 reserved; 628 __u32 comp_mask; 629 __u32 create_flags; 630 __u32 rwq_ind_tbl_handle; 631 __u32 source_qpn; 632 }; 633 634 struct ib_uverbs_open_qp { 635 __aligned_u64 response; 636 __aligned_u64 user_handle; 637 __u32 pd_handle; 638 __u32 qpn; 639 __u8 qp_type; 640 __u8 reserved[7]; 641 __aligned_u64 driver_data[]; 642 }; 643 644 /* also used for open response */ 645 struct ib_uverbs_create_qp_resp { 646 __u32 qp_handle; 647 __u32 qpn; 648 __u32 max_send_wr; 649 __u32 max_recv_wr; 650 __u32 max_send_sge; 651 __u32 max_recv_sge; 652 __u32 max_inline_data; 653 __u32 reserved; 654 __u32 driver_data[0]; 655 }; 656 657 struct ib_uverbs_ex_create_qp_resp { 658 struct ib_uverbs_create_qp_resp base; 659 __u32 comp_mask; 660 __u32 response_length; 661 }; 662 663 /* 664 * This struct needs to remain a multiple of 8 bytes to keep the 665 * alignment of the modify QP parameters. 666 */ 667 struct ib_uverbs_qp_dest { 668 __u8 dgid[16]; 669 __u32 flow_label; 670 __u16 dlid; 671 __u16 reserved; 672 __u8 sgid_index; 673 __u8 hop_limit; 674 __u8 traffic_class; 675 __u8 sl; 676 __u8 src_path_bits; 677 __u8 static_rate; 678 __u8 is_global; 679 __u8 port_num; 680 }; 681 682 struct ib_uverbs_query_qp { 683 __aligned_u64 response; 684 __u32 qp_handle; 685 __u32 attr_mask; 686 __aligned_u64 driver_data[]; 687 }; 688 689 struct ib_uverbs_query_qp_resp { 690 struct ib_uverbs_qp_dest dest; 691 struct ib_uverbs_qp_dest alt_dest; 692 __u32 max_send_wr; 693 __u32 max_recv_wr; 694 __u32 max_send_sge; 695 __u32 max_recv_sge; 696 __u32 max_inline_data; 697 __u32 qkey; 698 __u32 rq_psn; 699 __u32 sq_psn; 700 __u32 dest_qp_num; 701 __u32 qp_access_flags; 702 __u16 pkey_index; 703 __u16 alt_pkey_index; 704 __u8 qp_state; 705 __u8 cur_qp_state; 706 __u8 path_mtu; 707 __u8 path_mig_state; 708 __u8 sq_draining; 709 __u8 max_rd_atomic; 710 __u8 max_dest_rd_atomic; 711 __u8 min_rnr_timer; 712 __u8 port_num; 713 __u8 timeout; 714 __u8 retry_cnt; 715 __u8 rnr_retry; 716 __u8 alt_port_num; 717 __u8 alt_timeout; 718 __u8 sq_sig_all; 719 __u8 reserved[5]; 720 __aligned_u64 driver_data[]; 721 }; 722 723 struct ib_uverbs_modify_qp { 724 struct ib_uverbs_qp_dest dest; 725 struct ib_uverbs_qp_dest alt_dest; 726 __u32 qp_handle; 727 __u32 attr_mask; 728 __u32 qkey; 729 __u32 rq_psn; 730 __u32 sq_psn; 731 __u32 dest_qp_num; 732 __u32 qp_access_flags; 733 __u16 pkey_index; 734 __u16 alt_pkey_index; 735 __u8 qp_state; 736 __u8 cur_qp_state; 737 __u8 path_mtu; 738 __u8 path_mig_state; 739 __u8 en_sqd_async_notify; 740 __u8 max_rd_atomic; 741 __u8 max_dest_rd_atomic; 742 __u8 min_rnr_timer; 743 __u8 port_num; 744 __u8 timeout; 745 __u8 retry_cnt; 746 __u8 rnr_retry; 747 __u8 alt_port_num; 748 __u8 alt_timeout; 749 __u8 reserved[2]; 750 __aligned_u64 driver_data[0]; 751 }; 752 753 struct ib_uverbs_ex_modify_qp { 754 struct ib_uverbs_modify_qp base; 755 __u32 rate_limit; 756 __u32 reserved; 757 }; 758 759 struct ib_uverbs_ex_modify_qp_resp { 760 __u32 comp_mask; 761 __u32 response_length; 762 }; 763 764 struct ib_uverbs_destroy_qp { 765 __aligned_u64 response; 766 __u32 qp_handle; 767 __u32 reserved; 768 }; 769 770 struct ib_uverbs_destroy_qp_resp { 771 __u32 events_reported; 772 }; 773 774 /* 775 * The ib_uverbs_sge structure isn't used anywhere, since we assume 776 * the ib_sge structure is packed the same way on 32-bit and 64-bit 777 * architectures in both kernel and user space. It's just here to 778 * document the ABI. 779 */ 780 struct ib_uverbs_sge { 781 __aligned_u64 addr; 782 __u32 length; 783 __u32 lkey; 784 }; 785 786 enum ib_uverbs_wr_opcode { 787 IB_UVERBS_WR_RDMA_WRITE = 0, 788 IB_UVERBS_WR_RDMA_WRITE_WITH_IMM = 1, 789 IB_UVERBS_WR_SEND = 2, 790 IB_UVERBS_WR_SEND_WITH_IMM = 3, 791 IB_UVERBS_WR_RDMA_READ = 4, 792 IB_UVERBS_WR_ATOMIC_CMP_AND_SWP = 5, 793 IB_UVERBS_WR_ATOMIC_FETCH_AND_ADD = 6, 794 IB_UVERBS_WR_LOCAL_INV = 7, 795 IB_UVERBS_WR_BIND_MW = 8, 796 IB_UVERBS_WR_SEND_WITH_INV = 9, 797 IB_UVERBS_WR_TSO = 10, 798 IB_UVERBS_WR_RDMA_READ_WITH_INV = 11, 799 IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP = 12, 800 IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD = 13, 801 IB_UVERBS_WR_FLUSH = 14, 802 IB_UVERBS_WR_ATOMIC_WRITE = 15, 803 /* Review enum ib_wr_opcode before modifying this */ 804 }; 805 806 struct ib_uverbs_send_wr { 807 __aligned_u64 wr_id; 808 __u32 num_sge; 809 __u32 opcode; /* see enum ib_uverbs_wr_opcode */ 810 __u32 send_flags; 811 union { 812 __be32 imm_data; 813 __u32 invalidate_rkey; 814 } ex; 815 union { 816 struct { 817 __aligned_u64 remote_addr; 818 __u32 rkey; 819 __u32 reserved; 820 } rdma; 821 struct { 822 __aligned_u64 remote_addr; 823 __aligned_u64 compare_add; 824 __aligned_u64 swap; 825 __u32 rkey; 826 __u32 reserved; 827 } atomic; 828 struct { 829 __u32 ah; 830 __u32 remote_qpn; 831 __u32 remote_qkey; 832 __u32 reserved; 833 } ud; 834 } wr; 835 }; 836 837 struct ib_uverbs_post_send { 838 __aligned_u64 response; 839 __u32 qp_handle; 840 __u32 wr_count; 841 __u32 sge_count; 842 __u32 wqe_size; 843 struct ib_uverbs_send_wr send_wr[]; 844 }; 845 846 struct ib_uverbs_post_send_resp { 847 __u32 bad_wr; 848 }; 849 850 struct ib_uverbs_recv_wr { 851 __aligned_u64 wr_id; 852 __u32 num_sge; 853 __u32 reserved; 854 }; 855 856 struct ib_uverbs_post_recv { 857 __aligned_u64 response; 858 __u32 qp_handle; 859 __u32 wr_count; 860 __u32 sge_count; 861 __u32 wqe_size; 862 struct ib_uverbs_recv_wr recv_wr[]; 863 }; 864 865 struct ib_uverbs_post_recv_resp { 866 __u32 bad_wr; 867 }; 868 869 struct ib_uverbs_post_srq_recv { 870 __aligned_u64 response; 871 __u32 srq_handle; 872 __u32 wr_count; 873 __u32 sge_count; 874 __u32 wqe_size; 875 struct ib_uverbs_recv_wr recv[]; 876 }; 877 878 struct ib_uverbs_post_srq_recv_resp { 879 __u32 bad_wr; 880 }; 881 882 struct ib_uverbs_create_ah { 883 __aligned_u64 response; 884 __aligned_u64 user_handle; 885 __u32 pd_handle; 886 __u32 reserved; 887 struct ib_uverbs_ah_attr attr; 888 __aligned_u64 driver_data[]; 889 }; 890 891 struct ib_uverbs_create_ah_resp { 892 __u32 ah_handle; 893 __u32 driver_data[]; 894 }; 895 896 struct ib_uverbs_destroy_ah { 897 __u32 ah_handle; 898 }; 899 900 struct ib_uverbs_attach_mcast { 901 __u8 gid[16]; 902 __u32 qp_handle; 903 __u16 mlid; 904 __u16 reserved; 905 __aligned_u64 driver_data[]; 906 }; 907 908 struct ib_uverbs_detach_mcast { 909 __u8 gid[16]; 910 __u32 qp_handle; 911 __u16 mlid; 912 __u16 reserved; 913 __aligned_u64 driver_data[]; 914 }; 915 916 struct ib_uverbs_flow_spec_hdr { 917 __u32 type; 918 __u16 size; 919 __u16 reserved; 920 /* followed by flow_spec */ 921 __aligned_u64 flow_spec_data[0]; 922 }; 923 924 struct ib_uverbs_flow_eth_filter { 925 __u8 dst_mac[6]; 926 __u8 src_mac[6]; 927 __be16 ether_type; 928 __be16 vlan_tag; 929 }; 930 931 struct ib_uverbs_flow_spec_eth { 932 union { 933 struct ib_uverbs_flow_spec_hdr hdr; 934 struct { 935 __u32 type; 936 __u16 size; 937 __u16 reserved; 938 }; 939 }; 940 struct ib_uverbs_flow_eth_filter val; 941 struct ib_uverbs_flow_eth_filter mask; 942 }; 943 944 struct ib_uverbs_flow_ipv4_filter { 945 __be32 src_ip; 946 __be32 dst_ip; 947 __u8 proto; 948 __u8 tos; 949 __u8 ttl; 950 __u8 flags; 951 }; 952 953 struct ib_uverbs_flow_spec_ipv4 { 954 union { 955 struct ib_uverbs_flow_spec_hdr hdr; 956 struct { 957 __u32 type; 958 __u16 size; 959 __u16 reserved; 960 }; 961 }; 962 struct ib_uverbs_flow_ipv4_filter val; 963 struct ib_uverbs_flow_ipv4_filter mask; 964 }; 965 966 struct ib_uverbs_flow_tcp_udp_filter { 967 __be16 dst_port; 968 __be16 src_port; 969 }; 970 971 struct ib_uverbs_flow_spec_tcp_udp { 972 union { 973 struct ib_uverbs_flow_spec_hdr hdr; 974 struct { 975 __u32 type; 976 __u16 size; 977 __u16 reserved; 978 }; 979 }; 980 struct ib_uverbs_flow_tcp_udp_filter val; 981 struct ib_uverbs_flow_tcp_udp_filter mask; 982 }; 983 984 struct ib_uverbs_flow_ipv6_filter { 985 __u8 src_ip[16]; 986 __u8 dst_ip[16]; 987 __be32 flow_label; 988 __u8 next_hdr; 989 __u8 traffic_class; 990 __u8 hop_limit; 991 __u8 reserved; 992 }; 993 994 struct ib_uverbs_flow_spec_ipv6 { 995 union { 996 struct ib_uverbs_flow_spec_hdr hdr; 997 struct { 998 __u32 type; 999 __u16 size; 1000 __u16 reserved; 1001 }; 1002 }; 1003 struct ib_uverbs_flow_ipv6_filter val; 1004 struct ib_uverbs_flow_ipv6_filter mask; 1005 }; 1006 1007 struct ib_uverbs_flow_spec_action_tag { 1008 union { 1009 struct ib_uverbs_flow_spec_hdr hdr; 1010 struct { 1011 __u32 type; 1012 __u16 size; 1013 __u16 reserved; 1014 }; 1015 }; 1016 __u32 tag_id; 1017 __u32 reserved1; 1018 }; 1019 1020 struct ib_uverbs_flow_spec_action_drop { 1021 union { 1022 struct ib_uverbs_flow_spec_hdr hdr; 1023 struct { 1024 __u32 type; 1025 __u16 size; 1026 __u16 reserved; 1027 }; 1028 }; 1029 }; 1030 1031 struct ib_uverbs_flow_spec_action_handle { 1032 union { 1033 struct ib_uverbs_flow_spec_hdr hdr; 1034 struct { 1035 __u32 type; 1036 __u16 size; 1037 __u16 reserved; 1038 }; 1039 }; 1040 __u32 handle; 1041 __u32 reserved1; 1042 }; 1043 1044 struct ib_uverbs_flow_spec_action_count { 1045 union { 1046 struct ib_uverbs_flow_spec_hdr hdr; 1047 struct { 1048 __u32 type; 1049 __u16 size; 1050 __u16 reserved; 1051 }; 1052 }; 1053 __u32 handle; 1054 __u32 reserved1; 1055 }; 1056 1057 struct ib_uverbs_flow_tunnel_filter { 1058 __be32 tunnel_id; 1059 }; 1060 1061 struct ib_uverbs_flow_spec_tunnel { 1062 union { 1063 struct ib_uverbs_flow_spec_hdr hdr; 1064 struct { 1065 __u32 type; 1066 __u16 size; 1067 __u16 reserved; 1068 }; 1069 }; 1070 struct ib_uverbs_flow_tunnel_filter val; 1071 struct ib_uverbs_flow_tunnel_filter mask; 1072 }; 1073 1074 struct ib_uverbs_flow_spec_esp_filter { 1075 __u32 spi; 1076 __u32 seq; 1077 }; 1078 1079 struct ib_uverbs_flow_spec_esp { 1080 union { 1081 struct ib_uverbs_flow_spec_hdr hdr; 1082 struct { 1083 __u32 type; 1084 __u16 size; 1085 __u16 reserved; 1086 }; 1087 }; 1088 struct ib_uverbs_flow_spec_esp_filter val; 1089 struct ib_uverbs_flow_spec_esp_filter mask; 1090 }; 1091 1092 struct ib_uverbs_flow_gre_filter { 1093 /* c_ks_res0_ver field is bits 0-15 in offset 0 of a standard GRE header: 1094 * bit 0 - C - checksum bit. 1095 * bit 1 - reserved. set to 0. 1096 * bit 2 - key bit. 1097 * bit 3 - sequence number bit. 1098 * bits 4:12 - reserved. set to 0. 1099 * bits 13:15 - GRE version. 1100 */ 1101 __be16 c_ks_res0_ver; 1102 __be16 protocol; 1103 __be32 key; 1104 }; 1105 1106 struct ib_uverbs_flow_spec_gre { 1107 union { 1108 struct ib_uverbs_flow_spec_hdr hdr; 1109 struct { 1110 __u32 type; 1111 __u16 size; 1112 __u16 reserved; 1113 }; 1114 }; 1115 struct ib_uverbs_flow_gre_filter val; 1116 struct ib_uverbs_flow_gre_filter mask; 1117 }; 1118 1119 struct ib_uverbs_flow_mpls_filter { 1120 /* The field includes the entire MPLS label: 1121 * bits 0:19 - label field. 1122 * bits 20:22 - traffic class field. 1123 * bits 23 - bottom of stack bit. 1124 * bits 24:31 - ttl field. 1125 */ 1126 __be32 label; 1127 }; 1128 1129 struct ib_uverbs_flow_spec_mpls { 1130 union { 1131 struct ib_uverbs_flow_spec_hdr hdr; 1132 struct { 1133 __u32 type; 1134 __u16 size; 1135 __u16 reserved; 1136 }; 1137 }; 1138 struct ib_uverbs_flow_mpls_filter val; 1139 struct ib_uverbs_flow_mpls_filter mask; 1140 }; 1141 1142 struct ib_uverbs_flow_attr { 1143 __u32 type; 1144 __u16 size; 1145 __u16 priority; 1146 __u8 num_of_specs; 1147 __u8 reserved[2]; 1148 __u8 port; 1149 __u32 flags; 1150 /* Following are the optional layers according to user request 1151 * struct ib_flow_spec_xxx 1152 * struct ib_flow_spec_yyy 1153 */ 1154 struct ib_uverbs_flow_spec_hdr flow_specs[]; 1155 }; 1156 1157 struct ib_uverbs_create_flow { 1158 __u32 comp_mask; 1159 __u32 qp_handle; 1160 struct ib_uverbs_flow_attr flow_attr; 1161 }; 1162 1163 struct ib_uverbs_create_flow_resp { 1164 __u32 comp_mask; 1165 __u32 flow_handle; 1166 }; 1167 1168 struct ib_uverbs_destroy_flow { 1169 __u32 comp_mask; 1170 __u32 flow_handle; 1171 }; 1172 1173 struct ib_uverbs_create_srq { 1174 __aligned_u64 response; 1175 __aligned_u64 user_handle; 1176 __u32 pd_handle; 1177 __u32 max_wr; 1178 __u32 max_sge; 1179 __u32 srq_limit; 1180 __aligned_u64 driver_data[]; 1181 }; 1182 1183 struct ib_uverbs_create_xsrq { 1184 __aligned_u64 response; 1185 __aligned_u64 user_handle; 1186 __u32 srq_type; 1187 __u32 pd_handle; 1188 __u32 max_wr; 1189 __u32 max_sge; 1190 __u32 srq_limit; 1191 __u32 max_num_tags; 1192 __u32 xrcd_handle; 1193 __u32 cq_handle; 1194 __aligned_u64 driver_data[]; 1195 }; 1196 1197 struct ib_uverbs_create_srq_resp { 1198 __u32 srq_handle; 1199 __u32 max_wr; 1200 __u32 max_sge; 1201 __u32 srqn; 1202 __u32 driver_data[]; 1203 }; 1204 1205 struct ib_uverbs_modify_srq { 1206 __u32 srq_handle; 1207 __u32 attr_mask; 1208 __u32 max_wr; 1209 __u32 srq_limit; 1210 __aligned_u64 driver_data[]; 1211 }; 1212 1213 struct ib_uverbs_query_srq { 1214 __aligned_u64 response; 1215 __u32 srq_handle; 1216 __u32 reserved; 1217 __aligned_u64 driver_data[]; 1218 }; 1219 1220 struct ib_uverbs_query_srq_resp { 1221 __u32 max_wr; 1222 __u32 max_sge; 1223 __u32 srq_limit; 1224 __u32 reserved; 1225 }; 1226 1227 struct ib_uverbs_destroy_srq { 1228 __aligned_u64 response; 1229 __u32 srq_handle; 1230 __u32 reserved; 1231 }; 1232 1233 struct ib_uverbs_destroy_srq_resp { 1234 __u32 events_reported; 1235 }; 1236 1237 struct ib_uverbs_ex_create_wq { 1238 __u32 comp_mask; 1239 __u32 wq_type; 1240 __aligned_u64 user_handle; 1241 __u32 pd_handle; 1242 __u32 cq_handle; 1243 __u32 max_wr; 1244 __u32 max_sge; 1245 __u32 create_flags; /* Use enum ib_wq_flags */ 1246 __u32 reserved; 1247 }; 1248 1249 struct ib_uverbs_ex_create_wq_resp { 1250 __u32 comp_mask; 1251 __u32 response_length; 1252 __u32 wq_handle; 1253 __u32 max_wr; 1254 __u32 max_sge; 1255 __u32 wqn; 1256 }; 1257 1258 struct ib_uverbs_ex_destroy_wq { 1259 __u32 comp_mask; 1260 __u32 wq_handle; 1261 }; 1262 1263 struct ib_uverbs_ex_destroy_wq_resp { 1264 __u32 comp_mask; 1265 __u32 response_length; 1266 __u32 events_reported; 1267 __u32 reserved; 1268 }; 1269 1270 struct ib_uverbs_ex_modify_wq { 1271 __u32 attr_mask; 1272 __u32 wq_handle; 1273 __u32 wq_state; 1274 __u32 curr_wq_state; 1275 __u32 flags; /* Use enum ib_wq_flags */ 1276 __u32 flags_mask; /* Use enum ib_wq_flags */ 1277 }; 1278 1279 /* Prevent memory allocation rather than max expected size */ 1280 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d 1281 struct ib_uverbs_ex_create_rwq_ind_table { 1282 __u32 comp_mask; 1283 __u32 log_ind_tbl_size; 1284 /* Following are the wq handles according to log_ind_tbl_size 1285 * wq_handle1 1286 * wq_handle2 1287 */ 1288 __u32 wq_handles[]; 1289 }; 1290 1291 struct ib_uverbs_ex_create_rwq_ind_table_resp { 1292 __u32 comp_mask; 1293 __u32 response_length; 1294 __u32 ind_tbl_handle; 1295 __u32 ind_tbl_num; 1296 }; 1297 1298 struct ib_uverbs_ex_destroy_rwq_ind_table { 1299 __u32 comp_mask; 1300 __u32 ind_tbl_handle; 1301 }; 1302 1303 struct ib_uverbs_cq_moderation { 1304 __u16 cq_count; 1305 __u16 cq_period; 1306 }; 1307 1308 struct ib_uverbs_ex_modify_cq { 1309 __u32 cq_handle; 1310 __u32 attr_mask; 1311 struct ib_uverbs_cq_moderation attr; 1312 __u32 reserved; 1313 }; 1314 1315 #define IB_DEVICE_NAME_MAX 64 1316 1317 /* 1318 * bits 9, 15, 16, 19, 22, 27, 30, 31, 32, 33, 35 and 37 may be set by old 1319 * kernels and should not be used. 1320 */ 1321 enum ib_uverbs_device_cap_flags { 1322 IB_UVERBS_DEVICE_RESIZE_MAX_WR = 1 << 0, 1323 IB_UVERBS_DEVICE_BAD_PKEY_CNTR = 1 << 1, 1324 IB_UVERBS_DEVICE_BAD_QKEY_CNTR = 1 << 2, 1325 IB_UVERBS_DEVICE_RAW_MULTI = 1 << 3, 1326 IB_UVERBS_DEVICE_AUTO_PATH_MIG = 1 << 4, 1327 IB_UVERBS_DEVICE_CHANGE_PHY_PORT = 1 << 5, 1328 IB_UVERBS_DEVICE_UD_AV_PORT_ENFORCE = 1 << 6, 1329 IB_UVERBS_DEVICE_CURR_QP_STATE_MOD = 1 << 7, 1330 IB_UVERBS_DEVICE_SHUTDOWN_PORT = 1 << 8, 1331 /* IB_UVERBS_DEVICE_INIT_TYPE = 1 << 9, (not in use) */ 1332 IB_UVERBS_DEVICE_PORT_ACTIVE_EVENT = 1 << 10, 1333 IB_UVERBS_DEVICE_SYS_IMAGE_GUID = 1 << 11, 1334 IB_UVERBS_DEVICE_RC_RNR_NAK_GEN = 1 << 12, 1335 IB_UVERBS_DEVICE_SRQ_RESIZE = 1 << 13, 1336 IB_UVERBS_DEVICE_N_NOTIFY_CQ = 1 << 14, 1337 IB_UVERBS_DEVICE_MEM_WINDOW = 1 << 17, 1338 IB_UVERBS_DEVICE_UD_IP_CSUM = 1 << 18, 1339 IB_UVERBS_DEVICE_XRC = 1 << 20, 1340 IB_UVERBS_DEVICE_MEM_MGT_EXTENSIONS = 1 << 21, 1341 IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2A = 1 << 23, 1342 IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2B = 1 << 24, 1343 IB_UVERBS_DEVICE_RC_IP_CSUM = 1 << 25, 1344 /* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_IP_CSUM. */ 1345 IB_UVERBS_DEVICE_RAW_IP_CSUM = 1 << 26, 1346 IB_UVERBS_DEVICE_MANAGED_FLOW_STEERING = 1 << 29, 1347 /* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS. */ 1348 IB_UVERBS_DEVICE_RAW_SCATTER_FCS = 1ULL << 34, 1349 IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING = 1ULL << 36, 1350 /* Flush placement types */ 1351 IB_UVERBS_DEVICE_FLUSH_GLOBAL = 1ULL << 38, 1352 IB_UVERBS_DEVICE_FLUSH_PERSISTENT = 1ULL << 39, 1353 /* Atomic write attributes */ 1354 IB_UVERBS_DEVICE_ATOMIC_WRITE = 1ULL << 40, 1355 }; 1356 1357 enum ib_uverbs_raw_packet_caps { 1358 IB_UVERBS_RAW_PACKET_CAP_CVLAN_STRIPPING = 1 << 0, 1359 IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS = 1 << 1, 1360 IB_UVERBS_RAW_PACKET_CAP_IP_CSUM = 1 << 2, 1361 IB_UVERBS_RAW_PACKET_CAP_DELAY_DROP = 1 << 3, 1362 }; 1363 1364 #endif /* IB_USER_VERBS_H */