1/* 2 * Copyright (c) 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. 4 * Copyright (c) 2005 PathScale, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35#ifndef KERN_ABI_H 36#define KERN_ABI_H 37 38#include <infiniband/types.h> 39 40/* 41 * This file must be kept in sync with the kernel's version of 42 * drivers/infiniband/include/ib_user_verbs.h 43 */ 44 45/* 46 * The minimum and maximum kernel ABI that we can handle. 47 */ 48#define IB_USER_VERBS_MIN_ABI_VERSION 1 49#define IB_USER_VERBS_MAX_ABI_VERSION 6 50 51enum { 52 IB_USER_VERBS_CMD_GET_CONTEXT, 53 IB_USER_VERBS_CMD_QUERY_DEVICE, 54 IB_USER_VERBS_CMD_QUERY_PORT, 55 IB_USER_VERBS_CMD_ALLOC_PD, 56 IB_USER_VERBS_CMD_DEALLOC_PD, 57 IB_USER_VERBS_CMD_CREATE_AH, 58 IB_USER_VERBS_CMD_MODIFY_AH, 59 IB_USER_VERBS_CMD_QUERY_AH, 60 IB_USER_VERBS_CMD_DESTROY_AH, 61 IB_USER_VERBS_CMD_REG_MR, 62 IB_USER_VERBS_CMD_REG_SMR, 63 IB_USER_VERBS_CMD_REREG_MR, 64 IB_USER_VERBS_CMD_QUERY_MR, 65 IB_USER_VERBS_CMD_DEREG_MR, 66 IB_USER_VERBS_CMD_ALLOC_MW, 67 IB_USER_VERBS_CMD_BIND_MW, 68 IB_USER_VERBS_CMD_DEALLOC_MW, 69 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL, 70 IB_USER_VERBS_CMD_CREATE_CQ, 71 IB_USER_VERBS_CMD_RESIZE_CQ, 72 IB_USER_VERBS_CMD_DESTROY_CQ, 73 IB_USER_VERBS_CMD_POLL_CQ, 74 IB_USER_VERBS_CMD_PEEK_CQ, 75 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ, 76 IB_USER_VERBS_CMD_CREATE_QP, 77 IB_USER_VERBS_CMD_QUERY_QP, 78 IB_USER_VERBS_CMD_MODIFY_QP, 79 IB_USER_VERBS_CMD_DESTROY_QP, 80 IB_USER_VERBS_CMD_POST_SEND, 81 IB_USER_VERBS_CMD_POST_RECV, 82 IB_USER_VERBS_CMD_ATTACH_MCAST, 83 IB_USER_VERBS_CMD_DETACH_MCAST, 84 IB_USER_VERBS_CMD_CREATE_SRQ, 85 IB_USER_VERBS_CMD_MODIFY_SRQ, 86 IB_USER_VERBS_CMD_QUERY_SRQ, 87 IB_USER_VERBS_CMD_DESTROY_SRQ, 88 IB_USER_VERBS_CMD_POST_SRQ_RECV, 89 IB_USER_VERBS_CMD_CREATE_XRC_SRQ, 90 IB_USER_VERBS_CMD_OPEN_XRC_DOMAIN, 91 IB_USER_VERBS_CMD_CLOSE_XRC_DOMAIN, 92 IB_USER_VERBS_CMD_CREATE_XRC_RCV_QP, 93 IB_USER_VERBS_CMD_MODIFY_XRC_RCV_QP, 94 IB_USER_VERBS_CMD_QUERY_XRC_RCV_QP, 95 IB_USER_VERBS_CMD_REG_XRC_RCV_QP, 96 IB_USER_VERBS_CMD_UNREG_XRC_RCV_QP, 97}; 98 99/* 100 * Make sure that all structs defined in this file remain laid out so 101 * that they pack the same way on 32-bit and 64-bit architectures (to 102 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 103 * Specifically: 104 * - Do not use pointer types -- pass pointers in __u64 instead. 105 * - Make sure that any structure larger than 4 bytes is padded to a 106 * multiple of 8 bytes. Otherwise the structure size will be 107 * different between 32-bit and 64-bit architectures. 108 */ 109 110struct ibv_kern_async_event { 111 __u64 element; 112 __u32 event_type; 113 __u32 reserved; 114}; 115 116struct ibv_comp_event { 117 __u64 cq_handle; 118}; 119 120/* 121 * All commands from userspace should start with a __u32 command field 122 * followed by __u16 in_words and out_words fields (which give the 123 * length of the command block and response buffer if any in 32-bit 124 * words). The kernel driver will read these fields first and read 125 * the rest of the command struct based on these value. 126 */ 127 128struct ibv_query_params { 129 __u32 command; 130 __u16 in_words; 131 __u16 out_words; 132 __u64 response; 133}; 134 135struct ibv_query_params_resp { 136 __u32 num_cq_events; 137}; 138 139struct ibv_get_context { 140 __u32 command; 141 __u16 in_words; 142 __u16 out_words; 143 __u64 response; 144 __u64 driver_data[0]; 145}; 146 147struct ibv_get_context_resp { 148 __u32 async_fd; 149 __u32 num_comp_vectors; 150}; 151 152struct ibv_query_device { 153 __u32 command; 154 __u16 in_words; 155 __u16 out_words; 156 __u64 response; 157 __u64 driver_data[0]; 158}; 159 160struct ibv_query_device_resp { 161 __u64 fw_ver; 162 __u64 node_guid; 163 __u64 sys_image_guid; 164 __u64 max_mr_size; 165 __u64 page_size_cap; 166 __u32 vendor_id; 167 __u32 vendor_part_id; 168 __u32 hw_ver; 169 __u32 max_qp; 170 __u32 max_qp_wr; 171 __u32 device_cap_flags; 172 __u32 max_sge; 173 __u32 max_sge_rd; 174 __u32 max_cq; 175 __u32 max_cqe; 176 __u32 max_mr; 177 __u32 max_pd; 178 __u32 max_qp_rd_atom; 179 __u32 max_ee_rd_atom; 180 __u32 max_res_rd_atom; 181 __u32 max_qp_init_rd_atom; 182 __u32 max_ee_init_rd_atom; 183 __u32 atomic_cap; 184 __u32 max_ee; 185 __u32 max_rdd; 186 __u32 max_mw; 187 __u32 max_raw_ipv6_qp; 188 __u32 max_raw_ethy_qp; 189 __u32 max_mcast_grp; 190 __u32 max_mcast_qp_attach; 191 __u32 max_total_mcast_qp_attach; 192 __u32 max_ah; 193 __u32 max_fmr; 194 __u32 max_map_per_fmr; 195 __u32 max_srq; 196 __u32 max_srq_wr; 197 __u32 max_srq_sge; 198 __u16 max_pkeys; 199 __u8 local_ca_ack_delay; 200 __u8 phys_port_cnt; 201 __u8 reserved[4]; 202}; 203 204struct ibv_query_port { 205 __u32 command; 206 __u16 in_words; 207 __u16 out_words; 208 __u64 response; 209 __u8 port_num; 210 __u8 reserved[7]; 211 __u64 driver_data[0]; 212}; 213 214struct ibv_query_port_resp { 215 __u32 port_cap_flags; 216 __u32 max_msg_sz; 217 __u32 bad_pkey_cntr; 218 __u32 qkey_viol_cntr; 219 __u32 gid_tbl_len; 220 __u16 pkey_tbl_len; 221 __u16 lid; 222 __u16 sm_lid; 223 __u8 state; 224 __u8 max_mtu; 225 __u8 active_mtu; 226 __u8 lmc; 227 __u8 max_vl_num; 228 __u8 sm_sl; 229 __u8 subnet_timeout; 230 __u8 init_type_reply; 231 __u8 active_width; 232 __u8 active_speed; 233 __u8 phys_state; 234 __u8 link_layer; 235 __u8 reserved[2]; 236}; 237 238struct ibv_alloc_pd { 239 __u32 command; 240 __u16 in_words; 241 __u16 out_words; 242 __u64 response; 243 __u64 driver_data[0]; 244}; 245 246struct ibv_alloc_pd_resp { 247 __u32 pd_handle; 248}; 249 250struct ibv_dealloc_pd { 251 __u32 command; 252 __u16 in_words; 253 __u16 out_words; 254 __u32 pd_handle; 255}; 256 257struct ibv_reg_mr { 258 __u32 command; 259 __u16 in_words; 260 __u16 out_words; 261 __u64 response; 262 __u64 start; 263 __u64 length; 264 __u64 hca_va; 265 __u32 pd_handle; 266 __u32 access_flags; 267 __u64 driver_data[0]; 268}; 269 270struct ibv_reg_mr_resp { 271 __u32 mr_handle; 272 __u32 lkey; 273 __u32 rkey; 274}; 275 276struct ibv_dereg_mr { 277 __u32 command; 278 __u16 in_words; 279 __u16 out_words; 280 __u32 mr_handle; 281}; 282 283struct ibv_create_comp_channel { 284 __u32 command; 285 __u16 in_words; 286 __u16 out_words; 287 __u64 response; 288}; 289 290struct ibv_create_comp_channel_resp { 291 __u32 fd; 292}; 293 294struct ibv_create_cq { 295 __u32 command; 296 __u16 in_words; 297 __u16 out_words; 298 __u64 response; 299 __u64 user_handle; 300 __u32 cqe; 301 __u32 comp_vector; 302 __s32 comp_channel; 303 __u32 reserved; 304 __u64 driver_data[0]; 305}; 306 307struct ibv_create_cq_resp { 308 __u32 cq_handle; 309 __u32 cqe; 310}; 311 312struct ibv_kern_wc { 313 __u64 wr_id; 314 __u32 status; 315 __u32 opcode; 316 __u32 vendor_err; 317 __u32 byte_len; 318 __u32 imm_data; 319 __u32 qp_num; 320 __u32 src_qp; 321 __u32 wc_flags; 322 __u16 pkey_index; 323 __u16 slid; 324 __u8 sl; 325 __u8 dlid_path_bits; 326 __u8 port_num; 327 __u8 reserved; 328}; 329 330struct ibv_poll_cq { 331 __u32 command; 332 __u16 in_words; 333 __u16 out_words; 334 __u64 response; 335 __u32 cq_handle; 336 __u32 ne; 337}; 338 339struct ibv_poll_cq_resp { 340 __u32 count; 341 __u32 reserved; 342 struct ibv_kern_wc wc[0]; 343}; 344 345struct ibv_req_notify_cq { 346 __u32 command; 347 __u16 in_words; 348 __u16 out_words; 349 __u32 cq_handle; 350 __u32 solicited; 351}; 352 353struct ibv_resize_cq { 354 __u32 command; 355 __u16 in_words; 356 __u16 out_words; 357 __u64 response; 358 __u32 cq_handle; 359 __u32 cqe; 360 __u64 driver_data[0]; 361}; 362 363struct ibv_resize_cq_resp { 364 __u32 cqe; 365 __u32 reserved; 366 __u64 driver_data[0]; 367}; 368 369struct ibv_destroy_cq { 370 __u32 command; 371 __u16 in_words; 372 __u16 out_words; 373 __u64 response; 374 __u32 cq_handle; 375 __u32 reserved; 376}; 377 378struct ibv_destroy_cq_resp { 379 __u32 comp_events_reported; 380 __u32 async_events_reported; 381}; 382 383struct ibv_kern_global_route { 384 __u8 dgid[16]; 385 __u32 flow_label; 386 __u8 sgid_index; 387 __u8 hop_limit; 388 __u8 traffic_class; 389 __u8 reserved; 390}; 391 392struct ibv_kern_ah_attr { 393 struct ibv_kern_global_route grh; 394 __u16 dlid; 395 __u8 sl; 396 __u8 src_path_bits; 397 __u8 static_rate; 398 __u8 is_global; 399 __u8 port_num; 400 __u8 reserved; 401}; 402 403struct ibv_kern_qp_attr { 404 __u32 qp_attr_mask; 405 __u32 qp_state; 406 __u32 cur_qp_state; 407 __u32 path_mtu; 408 __u32 path_mig_state; 409 __u32 qkey; 410 __u32 rq_psn; 411 __u32 sq_psn; 412 __u32 dest_qp_num; 413 __u32 qp_access_flags; 414 415 struct ibv_kern_ah_attr ah_attr; 416 struct ibv_kern_ah_attr alt_ah_attr; 417 418 /* ib_qp_cap */ 419 __u32 max_send_wr; 420 __u32 max_recv_wr; 421 __u32 max_send_sge; 422 __u32 max_recv_sge; 423 __u32 max_inline_data; 424 425 __u16 pkey_index; 426 __u16 alt_pkey_index; 427 __u8 en_sqd_async_notify; 428 __u8 sq_draining; 429 __u8 max_rd_atomic; 430 __u8 max_dest_rd_atomic; 431 __u8 min_rnr_timer; 432 __u8 port_num; 433 __u8 timeout; 434 __u8 retry_cnt; 435 __u8 rnr_retry; 436 __u8 alt_port_num; 437 __u8 alt_timeout; 438 __u8 reserved[5]; 439}; 440 441struct ibv_create_qp { 442 __u32 command; 443 __u16 in_words; 444 __u16 out_words; 445 __u64 response; 446 __u64 user_handle; 447 __u32 pd_handle; 448 __u32 send_cq_handle; 449 __u32 recv_cq_handle; 450 __u32 srq_handle; 451 __u32 max_send_wr; 452 __u32 max_recv_wr; 453 __u32 max_send_sge; 454 __u32 max_recv_sge; 455 __u32 max_inline_data; 456 __u8 sq_sig_all; 457 __u8 qp_type; 458 __u8 is_srq; 459 __u8 reserved; 460 __u64 driver_data[0]; 461}; 462 463struct ibv_create_qp_resp { 464 __u32 qp_handle; 465 __u32 qpn; 466 __u32 max_send_wr; 467 __u32 max_recv_wr; 468 __u32 max_send_sge; 469 __u32 max_recv_sge; 470 __u32 max_inline_data; 471 __u32 reserved; 472}; 473 474struct ibv_qp_dest { 475 __u8 dgid[16]; 476 __u32 flow_label; 477 __u16 dlid; 478 __u16 reserved; 479 __u8 sgid_index; 480 __u8 hop_limit; 481 __u8 traffic_class; 482 __u8 sl; 483 __u8 src_path_bits; 484 __u8 static_rate; 485 __u8 is_global; 486 __u8 port_num; 487}; 488 489struct ibv_query_qp { 490 __u32 command; 491 __u16 in_words; 492 __u16 out_words; 493 __u64 response; 494 __u32 qp_handle; 495 __u32 attr_mask; 496 __u64 driver_data[0]; 497}; 498 499struct ibv_query_qp_resp { 500 struct ibv_qp_dest dest; 501 struct ibv_qp_dest alt_dest; 502 __u32 max_send_wr; 503 __u32 max_recv_wr; 504 __u32 max_send_sge; 505 __u32 max_recv_sge; 506 __u32 max_inline_data; 507 __u32 qkey; 508 __u32 rq_psn; 509 __u32 sq_psn; 510 __u32 dest_qp_num; 511 __u32 qp_access_flags; 512 __u16 pkey_index; 513 __u16 alt_pkey_index; 514 __u8 qp_state; 515 __u8 cur_qp_state; 516 __u8 path_mtu; 517 __u8 path_mig_state; 518 __u8 sq_draining; 519 __u8 max_rd_atomic; 520 __u8 max_dest_rd_atomic; 521 __u8 min_rnr_timer; 522 __u8 port_num; 523 __u8 timeout; 524 __u8 retry_cnt; 525 __u8 rnr_retry; 526 __u8 alt_port_num; 527 __u8 alt_timeout; 528 __u8 sq_sig_all; 529 __u8 reserved[5]; 530 __u64 driver_data[0]; 531}; 532 533struct ibv_modify_qp { 534 __u32 command; 535 __u16 in_words; 536 __u16 out_words; 537 struct ibv_qp_dest dest; 538 struct ibv_qp_dest alt_dest; 539 __u32 qp_handle; 540 __u32 attr_mask; 541 __u32 qkey; 542 __u32 rq_psn; 543 __u32 sq_psn; 544 __u32 dest_qp_num; 545 __u32 qp_access_flags; 546 __u16 pkey_index; 547 __u16 alt_pkey_index; 548 __u8 qp_state; 549 __u8 cur_qp_state; 550 __u8 path_mtu; 551 __u8 path_mig_state; 552 __u8 en_sqd_async_notify; 553 __u8 max_rd_atomic; 554 __u8 max_dest_rd_atomic; 555 __u8 min_rnr_timer; 556 __u8 port_num; 557 __u8 timeout; 558 __u8 retry_cnt; 559 __u8 rnr_retry; 560 __u8 alt_port_num; 561 __u8 alt_timeout; 562 __u8 reserved[2]; 563 __u64 driver_data[0]; 564}; 565 566struct ibv_destroy_qp { 567 __u32 command; 568 __u16 in_words; 569 __u16 out_words; 570 __u64 response; 571 __u32 qp_handle; 572 __u32 reserved; 573}; 574 575struct ibv_destroy_qp_resp { 576 __u32 events_reported; 577}; 578 579struct ibv_create_xrc_rcv_qp { 580 __u32 command; 581 __u16 in_words; 582 __u16 out_words; 583 __u64 response; 584 __u64 user_handle; 585 __u32 xrc_domain_handle; 586 __u32 max_send_wr; 587 __u32 max_recv_wr; 588 __u32 max_send_sge; 589 __u32 max_recv_sge; 590 __u32 max_inline_data; 591 __u8 sq_sig_all; 592 __u8 qp_type; 593 __u8 reserved[6]; 594 __u64 driver_data[0]; 595}; 596 597struct ibv_create_xrc_rcv_qp_resp { 598 __u32 qpn; 599 __u32 reserved; 600}; 601 602struct ibv_modify_xrc_rcv_qp { 603 __u32 command; 604 __u16 in_words; 605 __u16 out_words; 606 __u32 xrc_domain_handle; 607 __u32 qp_num; 608 struct ibv_qp_dest dest; 609 struct ibv_qp_dest alt_dest; 610 __u32 attr_mask; 611 __u32 qkey; 612 __u32 rq_psn; 613 __u32 sq_psn; 614 __u32 dest_qp_num; 615 __u32 qp_access_flags; 616 __u16 pkey_index; 617 __u16 alt_pkey_index; 618 __u8 qp_state; 619 __u8 cur_qp_state; 620 __u8 path_mtu; 621 __u8 path_mig_state; 622 __u8 en_sqd_async_notify; 623 __u8 max_rd_atomic; 624 __u8 max_dest_rd_atomic; 625 __u8 min_rnr_timer; 626 __u8 port_num; 627 __u8 timeout; 628 __u8 retry_cnt; 629 __u8 rnr_retry; 630 __u8 alt_port_num; 631 __u8 alt_timeout; 632 __u8 reserved[6]; 633 __u64 driver_data[0]; 634}; 635 636struct ibv_query_xrc_rcv_qp { 637 __u32 command; 638 __u16 in_words; 639 __u16 out_words; 640 __u64 response; 641 __u32 xrc_domain_handle; 642 __u32 qp_num; 643 __u32 attr_mask; 644 __u32 reserved; 645 __u64 driver_data[0]; 646}; 647 648struct ibv_reg_xrc_rcv_qp { 649 __u32 command; 650 __u16 in_words; 651 __u16 out_words; 652 __u32 xrc_domain_handle; 653 __u32 qp_num; 654 __u64 driver_data[0]; 655}; 656 657struct ibv_unreg_xrc_rcv_qp { 658 __u32 command; 659 __u16 in_words; 660 __u16 out_words; 661 __u32 xrc_domain_handle; 662 __u32 qp_num; 663 __u64 driver_data[0]; 664}; 665 666struct ibv_kern_send_wr { 667 __u64 wr_id; 668 __u32 num_sge; 669 __u32 opcode; 670 __u32 send_flags; 671 __u32 imm_data; 672 union { 673 struct { 674 __u64 remote_addr; 675 __u32 rkey; 676 __u32 reserved; 677 } rdma; 678 struct { 679 __u64 remote_addr; 680 __u64 compare_add; 681 __u64 swap; 682 __u32 rkey; 683 __u32 reserved; 684 } atomic; 685 struct { 686 __u32 ah; 687 __u32 remote_qpn; 688 __u32 remote_qkey; 689 __u32 reserved; 690 } ud; 691 } wr; 692}; 693 694struct ibv_post_send { 695 __u32 command; 696 __u16 in_words; 697 __u16 out_words; 698 __u64 response; 699 __u32 qp_handle; 700 __u32 wr_count; 701 __u32 sge_count; 702 __u32 wqe_size; 703 struct ibv_kern_send_wr send_wr[0]; 704}; 705 706struct ibv_post_send_resp { 707 __u32 bad_wr; 708}; 709 710struct ibv_kern_recv_wr { 711 __u64 wr_id; 712 __u32 num_sge; 713 __u32 reserved; 714}; 715 716struct ibv_post_recv { 717 __u32 command; 718 __u16 in_words; 719 __u16 out_words; 720 __u64 response; 721 __u32 qp_handle; 722 __u32 wr_count; 723 __u32 sge_count; 724 __u32 wqe_size; 725 struct ibv_kern_recv_wr recv_wr[0]; 726}; 727 728struct ibv_post_recv_resp { 729 __u32 bad_wr; 730}; 731 732struct ibv_post_srq_recv { 733 __u32 command; 734 __u16 in_words; 735 __u16 out_words; 736 __u64 response; 737 __u32 srq_handle; 738 __u32 wr_count; 739 __u32 sge_count; 740 __u32 wqe_size; 741 struct ibv_kern_recv_wr recv_wr[0]; 742}; 743 744struct ibv_post_srq_recv_resp { 745 __u32 bad_wr; 746}; 747 748struct ibv_create_ah { 749 __u32 command; 750 __u16 in_words; 751 __u16 out_words; 752 __u64 response; 753 __u64 user_handle; 754 __u32 pd_handle; 755 __u32 reserved; 756 struct ibv_kern_ah_attr attr; 757}; 758 759struct ibv_create_ah_resp { 760 __u32 handle; 761}; 762 763struct ibv_destroy_ah { 764 __u32 command; 765 __u16 in_words; 766 __u16 out_words; 767 __u32 ah_handle; 768}; 769 770struct ibv_attach_mcast { 771 __u32 command; 772 __u16 in_words; 773 __u16 out_words; 774 __u8 gid[16]; 775 __u32 qp_handle; 776 __u16 mlid; 777 __u16 reserved; 778 __u64 driver_data[0]; 779}; 780 781struct ibv_detach_mcast { 782 __u32 command; 783 __u16 in_words; 784 __u16 out_words; 785 __u8 gid[16]; 786 __u32 qp_handle; 787 __u16 mlid; 788 __u16 reserved; 789 __u64 driver_data[0]; 790}; 791 792struct ibv_create_srq { 793 __u32 command; 794 __u16 in_words; 795 __u16 out_words; 796 __u64 response; 797 __u64 user_handle; 798 __u32 pd_handle; 799 __u32 max_wr; 800 __u32 max_sge; 801 __u32 srq_limit; 802 __u64 driver_data[0]; 803}; 804 805struct ibv_create_xrc_srq { 806 __u32 command; 807 __u16 in_words; 808 __u16 out_words; 809 __u64 response; 810 __u64 user_handle; 811 __u32 pd_handle; 812 __u32 max_wr; 813 __u32 max_sge; 814 __u32 srq_limit; 815 __u32 xrcd_handle; 816 __u32 xrc_cq; 817 __u64 driver_data[0]; 818}; 819 820struct ibv_create_srq_resp { 821 __u32 srq_handle; 822 __u32 max_wr; 823 __u32 max_sge; 824 __u32 reserved; 825}; 826 827struct ibv_modify_srq { 828 __u32 command; 829 __u16 in_words; 830 __u16 out_words; 831 __u32 srq_handle; 832 __u32 attr_mask; 833 __u32 max_wr; 834 __u32 srq_limit; 835 __u64 driver_data[0]; 836}; 837 838struct ibv_query_srq { 839 __u32 command; 840 __u16 in_words; 841 __u16 out_words; 842 __u64 response; 843 __u32 srq_handle; 844 __u32 reserved; 845 __u64 driver_data[0]; 846}; 847 848struct ibv_query_srq_resp { 849 __u32 max_wr; 850 __u32 max_sge; 851 __u32 srq_limit; 852 __u32 reserved; 853}; 854 855struct ibv_destroy_srq { 856 __u32 command; 857 __u16 in_words; 858 __u16 out_words; 859 __u64 response; 860 __u32 srq_handle; 861 __u32 reserved; 862}; 863 864struct ibv_destroy_srq_resp { 865 __u32 events_reported; 866}; 867 868struct ibv_open_xrc_domain { 869 __u32 command; 870 __u16 in_words; 871 __u16 out_words; 872 __u64 response; 873 __u32 fd; 874 __u32 oflags; 875 __u64 driver_data[0]; 876}; 877 878struct ibv_open_xrc_domain_resp { 879 __u32 xrcd_handle; 880}; 881 882struct ibv_close_xrc_domain { 883 __u32 command; 884 __u16 in_words; 885 __u16 out_words; 886 __u64 response; 887 __u32 xrcd_handle; 888 __u32 reserved; 889 __u64 driver_data[0]; 890}; 891 892/* 893 * Compatibility with older ABI versions 894 */ 895 896enum { 897 IB_USER_VERBS_CMD_QUERY_PARAMS_V2, 898 IB_USER_VERBS_CMD_GET_CONTEXT_V2, 899 IB_USER_VERBS_CMD_QUERY_DEVICE_V2, 900 IB_USER_VERBS_CMD_QUERY_PORT_V2, 901 IB_USER_VERBS_CMD_QUERY_GID_V2, 902 IB_USER_VERBS_CMD_QUERY_PKEY_V2, 903 IB_USER_VERBS_CMD_ALLOC_PD_V2, 904 IB_USER_VERBS_CMD_DEALLOC_PD_V2, 905 IB_USER_VERBS_CMD_CREATE_AH_V2, 906 IB_USER_VERBS_CMD_MODIFY_AH_V2, 907 IB_USER_VERBS_CMD_QUERY_AH_V2, 908 IB_USER_VERBS_CMD_DESTROY_AH_V2, 909 IB_USER_VERBS_CMD_REG_MR_V2, 910 IB_USER_VERBS_CMD_REG_SMR_V2, 911 IB_USER_VERBS_CMD_REREG_MR_V2, 912 IB_USER_VERBS_CMD_QUERY_MR_V2, 913 IB_USER_VERBS_CMD_DEREG_MR_V2, 914 IB_USER_VERBS_CMD_ALLOC_MW_V2, 915 IB_USER_VERBS_CMD_BIND_MW_V2, 916 IB_USER_VERBS_CMD_DEALLOC_MW_V2, 917 IB_USER_VERBS_CMD_CREATE_CQ_V2, 918 IB_USER_VERBS_CMD_RESIZE_CQ_V2, 919 IB_USER_VERBS_CMD_DESTROY_CQ_V2, 920 IB_USER_VERBS_CMD_POLL_CQ_V2, 921 IB_USER_VERBS_CMD_PEEK_CQ_V2, 922 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ_V2, 923 IB_USER_VERBS_CMD_CREATE_QP_V2, 924 IB_USER_VERBS_CMD_QUERY_QP_V2, 925 IB_USER_VERBS_CMD_MODIFY_QP_V2, 926 IB_USER_VERBS_CMD_DESTROY_QP_V2, 927 IB_USER_VERBS_CMD_POST_SEND_V2, 928 IB_USER_VERBS_CMD_POST_RECV_V2, 929 IB_USER_VERBS_CMD_ATTACH_MCAST_V2, 930 IB_USER_VERBS_CMD_DETACH_MCAST_V2, 931 IB_USER_VERBS_CMD_CREATE_SRQ_V2, 932 IB_USER_VERBS_CMD_MODIFY_SRQ_V2, 933 IB_USER_VERBS_CMD_QUERY_SRQ_V2, 934 IB_USER_VERBS_CMD_DESTROY_SRQ_V2, 935 IB_USER_VERBS_CMD_POST_SRQ_RECV_V2, 936 /* 937 * Set commands that didn't exist to -1 so our compile-time 938 * trick opcodes in IBV_INIT_CMD() doesn't break. 939 */ 940 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL_V2 = -1, 941 IB_USER_VERBS_CMD_CREATE_XRC_SRQ_V2 = -1, 942 IB_USER_VERBS_CMD_OPEN_XRC_DOMAIN_V2 = -1, 943 IB_USER_VERBS_CMD_CLOSE_XRC_DOMAIN_V2 = -1, 944 IB_USER_VERBS_CMD_CREATE_XRC_RCV_QP_V2 = -1, 945 IB_USER_VERBS_CMD_MODIFY_XRC_RCV_QP_V2 = -1, 946 IB_USER_VERBS_CMD_QUERY_XRC_RCV_QP_V2 = -1, 947 IB_USER_VERBS_CMD_REG_XRC_RCV_QP_V2 = -1, 948 IB_USER_VERBS_CMD_UNREG_XRC_RCV_QP_V2 = -1, 949}; 950 951struct ibv_destroy_cq_v1 { 952 __u32 command; 953 __u16 in_words; 954 __u16 out_words; 955 __u32 cq_handle; 956}; 957 958struct ibv_destroy_qp_v1 { 959 __u32 command; 960 __u16 in_words; 961 __u16 out_words; 962 __u32 qp_handle; 963}; 964 965struct ibv_destroy_srq_v1 { 966 __u32 command; 967 __u16 in_words; 968 __u16 out_words; 969 __u32 srq_handle; 970}; 971 972struct ibv_get_context_v2 { 973 __u32 command; 974 __u16 in_words; 975 __u16 out_words; 976 __u64 response; 977 __u64 cq_fd_tab; 978 __u64 driver_data[0]; 979}; 980 981struct ibv_create_cq_v2 { 982 __u32 command; 983 __u16 in_words; 984 __u16 out_words; 985 __u64 response; 986 __u64 user_handle; 987 __u32 cqe; 988 __u32 event_handler; 989 __u64 driver_data[0]; 990}; 991 992struct ibv_modify_srq_v3 { 993 __u32 command; 994 __u16 in_words; 995 __u16 out_words; 996 __u32 srq_handle; 997 __u32 attr_mask; 998 __u32 max_wr; 999 __u32 max_sge; 1000 __u32 srq_limit; 1001 __u32 reserved; 1002 __u64 driver_data[0]; 1003}; 1004 1005struct ibv_create_qp_resp_v3 { 1006 __u32 qp_handle; 1007 __u32 qpn; 1008}; 1009 1010struct ibv_create_qp_resp_v4 { 1011 __u32 qp_handle; 1012 __u32 qpn; 1013 __u32 max_send_wr; 1014 __u32 max_recv_wr; 1015 __u32 max_send_sge; 1016 __u32 max_recv_sge; 1017 __u32 max_inline_data; 1018}; 1019 1020struct ibv_create_srq_resp_v5 { 1021 __u32 srq_handle; 1022}; 1023 1024#endif /* KERN_ABI_H */ 1025