contrib/ofed/libibverbs/include/infiniband/kern-abi.h

   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
  51 enum {
  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
 110 struct ibv_kern_async_event {
 111         __u64 element;
 112         __u32 event_type;
 113         __u32 reserved;
 114 };
 115
 116 struct 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
 128 struct ibv_query_params {
 129         __u32 command;
 130         __u16 in_words;
 131         __u16 out_words;
 132         __u64 response;
 133 };
 134
 135 struct ibv_query_params_resp {
 136         __u32 num_cq_events;
 137 };
 138
 139 struct ibv_get_context {
 140         __u32 command;
 141         __u16 in_words;
 142         __u16 out_words;
 143         __u64 response;
 144         __u64 driver_data[0];
 145 };
 146
 147 struct ibv_get_context_resp {
 148         __u32 async_fd;
 149         __u32 num_comp_vectors;
 150 };
 151
 152 struct ibv_query_device {
 153         __u32 command;
 154         __u16 in_words;
 155         __u16 out_words;
 156         __u64 response;
 157         __u64 driver_data[0];
 158 };
 159
 160 struct 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
 204 struct 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
 214 struct 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
 238 struct ibv_alloc_pd {
 239         __u32 command;
 240         __u16 in_words;
 241         __u16 out_words;
 242         __u64 response;
 243         __u64 driver_data[0];
 244 };
 245
 246 struct ibv_alloc_pd_resp {
 247         __u32 pd_handle;
 248 };
 249
 250 struct ibv_dealloc_pd {
 251         __u32 command;
 252         __u16 in_words;
 253         __u16 out_words;
 254         __u32 pd_handle;
 255 };
 256
 257 struct 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
 270 struct ibv_reg_mr_resp {
 271         __u32 mr_handle;
 272         __u32 lkey;
 273         __u32 rkey;
 274 };
 275
 276 struct ibv_dereg_mr {
 277         __u32 command;
 278         __u16 in_words;
 279         __u16 out_words;
 280         __u32 mr_handle;
 281 };
 282
 283 struct ibv_create_comp_channel {
 284         __u32 command;
 285         __u16 in_words;
 286         __u16 out_words;
 287         __u64 response;
 288 };
 289
 290 struct ibv_create_comp_channel_resp {
 291         __u32 fd;
 292 };
 293
 294 struct 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
 307 struct ibv_create_cq_resp {
 308         __u32 cq_handle;
 309         __u32 cqe;
 310 };
 311
 312 struct 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
 330 struct 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
 339 struct ibv_poll_cq_resp {
 340         __u32 count;
 341         __u32 reserved;
 342         struct ibv_kern_wc wc[0];
 343 };
 344
 345 struct ibv_req_notify_cq {
 346         __u32 command;
 347         __u16 in_words;
 348         __u16 out_words;
 349         __u32 cq_handle;
 350         __u32 solicited;
 351 };
 352
 353 struct 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
 363 struct ibv_resize_cq_resp {
 364         __u32 cqe;
 365         __u32 reserved;
 366         __u64 driver_data[0];
 367 };
 368
 369 struct 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
 378 struct ibv_destroy_cq_resp {
 379         __u32 comp_events_reported;
 380         __u32 async_events_reported;
 381 };
 382
 383 struct 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
 392 struct 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
 403 struct 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
 441 struct 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
 463 struct 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
 474 struct 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
 489 struct 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
 499 struct 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
 533 struct 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
 566 struct 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
 575 struct ibv_destroy_qp_resp {
 576         __u32 events_reported;
 577 };
 578
 579 struct 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
 597 struct ibv_create_xrc_rcv_qp_resp {
 598         __u32 qpn;
 599         __u32 reserved;
 600 };
 601
 602 struct 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
 636 struct 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
 648 struct 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
 657 struct 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
 666 struct 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
 694 struct 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
 706 struct ibv_post_send_resp {
 707         __u32 bad_wr;
 708 };
 709
 710 struct ibv_kern_recv_wr {
 711         __u64 wr_id;
 712         __u32 num_sge;
 713         __u32 reserved;
 714 };
 715
 716 struct 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
 728 struct ibv_post_recv_resp {
 729         __u32 bad_wr;
 730 };
 731
 732 struct 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
 744 struct ibv_post_srq_recv_resp {
 745         __u32 bad_wr;
 746 };
 747
 748 struct 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
 759 struct ibv_create_ah_resp {
 760         __u32 handle;
 761 };
 762
 763 struct ibv_destroy_ah {
 764         __u32 command;
 765         __u16 in_words;
 766         __u16 out_words;
 767         __u32 ah_handle;
 768 };
 769
 770 struct 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
 781 struct 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
 792 struct 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
 805 struct 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
 820 struct ibv_create_srq_resp {
 821         __u32 srq_handle;
 822         __u32 max_wr;
 823         __u32 max_sge;
 824         __u32 reserved;
 825 };
 826
 827 struct 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
 838 struct 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
 848 struct ibv_query_srq_resp {
 849         __u32 max_wr;
 850         __u32 max_sge;
 851         __u32 srq_limit;
 852         __u32 reserved;
 853 };
 854
 855 struct 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
 864 struct ibv_destroy_srq_resp {
 865         __u32 events_reported;
 866 };
 867
 868 struct 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
 878 struct ibv_open_xrc_domain_resp {
 879         __u32 xrcd_handle;
 880 };
 881
 882 struct 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
 896 enum {
 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
 951 struct ibv_destroy_cq_v1 {
 952         __u32 command;
 953         __u16 in_words;
 954         __u16 out_words;
 955         __u32 cq_handle;
 956 };
 957
 958 struct ibv_destroy_qp_v1 {
 959         __u32 command;
 960         __u16 in_words;
 961         __u16 out_words;
 962         __u32 qp_handle;
 963 };
 964
 965 struct ibv_destroy_srq_v1 {
 966         __u32 command;
 967         __u16 in_words;
 968         __u16 out_words;
 969         __u32 srq_handle;
 970 };
 971
 972 struct 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
 981 struct 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
 992 struct 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
1005 struct ibv_create_qp_resp_v3 {
1006         __u32 qp_handle;
1007         __u32 qpn;
1008 };
1009
1010 struct 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
1020 struct ibv_create_srq_resp_v5 {
1021         __u32 srq_handle;
1022 };
1023
1024 #endif /* KERN_ABI_H */