include/uapi/rdma/ib_user_verbs.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  * Copyright (c) 2006 Mellanox Technologies.  All rights reserved.
   6  *
   7  * This software is available to you under a choice of one of two
   8  * licenses.  You may choose to be licensed under the terms of the GNU
   9  * General Public License (GPL) Version 2, available from the file
  10  * COPYING in the main directory of this source tree, or the
  11  * OpenIB.org BSD license below:
  12  *
  13  *     Redistribution and use in source and binary forms, with or
  14  *     without modification, are permitted provided that the following
  15  *     conditions are met:
  16  *
  17  *      - Redistributions of source code must retain the above
  18  *        copyright notice, this list of conditions and the following
  19  *        disclaimer.
  20  *
  21  *      - Redistributions in binary form must reproduce the above
  22  *        copyright notice, this list of conditions and the following
  23  *        disclaimer in the documentation and/or other materials
  24  *        provided with the distribution.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  27  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  29  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  30  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  31  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  32  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  33  * SOFTWARE.
  34  */
  35
  36 #ifndef IB_USER_VERBS_H
  37 #define IB_USER_VERBS_H
  38
  39 #include <linux/types.h>
  40
  41 /*
  42  * Increment this value if any changes that break userspace ABI
  43  * compatibility are made.
  44  */
  45 #define IB_USER_VERBS_ABI_VERSION       6
  46 #define IB_USER_VERBS_CMD_THRESHOLD    50
  47
  48 enum {
  49         IB_USER_VERBS_CMD_GET_CONTEXT,
  50         IB_USER_VERBS_CMD_QUERY_DEVICE,
  51         IB_USER_VERBS_CMD_QUERY_PORT,
  52         IB_USER_VERBS_CMD_ALLOC_PD,
  53         IB_USER_VERBS_CMD_DEALLOC_PD,
  54         IB_USER_VERBS_CMD_CREATE_AH,
  55         IB_USER_VERBS_CMD_MODIFY_AH,
  56         IB_USER_VERBS_CMD_QUERY_AH,
  57         IB_USER_VERBS_CMD_DESTROY_AH,
  58         IB_USER_VERBS_CMD_REG_MR,
  59         IB_USER_VERBS_CMD_REG_SMR,
  60         IB_USER_VERBS_CMD_REREG_MR,
  61         IB_USER_VERBS_CMD_QUERY_MR,
  62         IB_USER_VERBS_CMD_DEREG_MR,
  63         IB_USER_VERBS_CMD_ALLOC_MW,
  64         IB_USER_VERBS_CMD_BIND_MW,
  65         IB_USER_VERBS_CMD_DEALLOC_MW,
  66         IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
  67         IB_USER_VERBS_CMD_CREATE_CQ,
  68         IB_USER_VERBS_CMD_RESIZE_CQ,
  69         IB_USER_VERBS_CMD_DESTROY_CQ,
  70         IB_USER_VERBS_CMD_POLL_CQ,
  71         IB_USER_VERBS_CMD_PEEK_CQ,
  72         IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
  73         IB_USER_VERBS_CMD_CREATE_QP,
  74         IB_USER_VERBS_CMD_QUERY_QP,
  75         IB_USER_VERBS_CMD_MODIFY_QP,
  76         IB_USER_VERBS_CMD_DESTROY_QP,
  77         IB_USER_VERBS_CMD_POST_SEND,
  78         IB_USER_VERBS_CMD_POST_RECV,
  79         IB_USER_VERBS_CMD_ATTACH_MCAST,
  80         IB_USER_VERBS_CMD_DETACH_MCAST,
  81         IB_USER_VERBS_CMD_CREATE_SRQ,
  82         IB_USER_VERBS_CMD_MODIFY_SRQ,
  83         IB_USER_VERBS_CMD_QUERY_SRQ,
  84         IB_USER_VERBS_CMD_DESTROY_SRQ,
  85         IB_USER_VERBS_CMD_POST_SRQ_RECV,
  86         IB_USER_VERBS_CMD_OPEN_XRCD,
  87         IB_USER_VERBS_CMD_CLOSE_XRCD,
  88         IB_USER_VERBS_CMD_CREATE_XSRQ,
  89         IB_USER_VERBS_CMD_OPEN_QP,
  90 };
  91
  92 enum {
  93         IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE,
  94         IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ,
  95         IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP,
  96         IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
  97         IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
  98 };
  99
 100 /*
 101  * Make sure that all structs defined in this file remain laid out so
 102  * that they pack the same way on 32-bit and 64-bit architectures (to
 103  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 104  * Specifically:
 105  *  - Do not use pointer types -- pass pointers in __u64 instead.
 106  *  - Make sure that any structure larger than 4 bytes is padded to a
 107  *    multiple of 8 bytes.  Otherwise the structure size will be
 108  *    different between 32-bit and 64-bit architectures.
 109  */
 110
 111 struct ib_uverbs_async_event_desc {
 112         __u64 element;
 113         __u32 event_type;       /* enum ib_event_type */
 114         __u32 reserved;
 115 };
 116
 117 struct ib_uverbs_comp_event_desc {
 118         __u64 cq_handle;
 119 };
 120
 121 /*
 122  * All commands from userspace should start with a __u32 command field
 123  * followed by __u16 in_words and out_words fields (which give the
 124  * length of the command block and response buffer if any in 32-bit
 125  * words).  The kernel driver will read these fields first and read
 126  * the rest of the command struct based on these value.
 127  */
 128
 129 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff
 130 #define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u
 131 #define IB_USER_VERBS_CMD_FLAGS_SHIFT 24
 132
 133 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80
 134
 135 struct ib_uverbs_cmd_hdr {
 136         __u32 command;
 137         __u16 in_words;
 138         __u16 out_words;
 139 };
 140
 141 struct ib_uverbs_ex_cmd_hdr {
 142         __u64 response;
 143         __u16 provider_in_words;
 144         __u16 provider_out_words;
 145         __u32 cmd_hdr_reserved;
 146 };
 147
 148 struct ib_uverbs_get_context {
 149         __u64 response;
 150         __u64 driver_data[0];
 151 };
 152
 153 struct ib_uverbs_get_context_resp {
 154         __u32 async_fd;
 155         __u32 num_comp_vectors;
 156 };
 157
 158 struct ib_uverbs_query_device {
 159         __u64 response;
 160         __u64 driver_data[0];
 161 };
 162
 163 struct ib_uverbs_query_device_resp {
 164         __u64 fw_ver;
 165         __be64 node_guid;
 166         __be64 sys_image_guid;
 167         __u64 max_mr_size;
 168         __u64 page_size_cap;
 169         __u32 vendor_id;
 170         __u32 vendor_part_id;
 171         __u32 hw_ver;
 172         __u32 max_qp;
 173         __u32 max_qp_wr;
 174         __u32 device_cap_flags;
 175         __u32 max_sge;
 176         __u32 max_sge_rd;
 177         __u32 max_cq;
 178         __u32 max_cqe;
 179         __u32 max_mr;
 180         __u32 max_pd;
 181         __u32 max_qp_rd_atom;
 182         __u32 max_ee_rd_atom;
 183         __u32 max_res_rd_atom;
 184         __u32 max_qp_init_rd_atom;
 185         __u32 max_ee_init_rd_atom;
 186         __u32 atomic_cap;
 187         __u32 max_ee;
 188         __u32 max_rdd;
 189         __u32 max_mw;
 190         __u32 max_raw_ipv6_qp;
 191         __u32 max_raw_ethy_qp;
 192         __u32 max_mcast_grp;
 193         __u32 max_mcast_qp_attach;
 194         __u32 max_total_mcast_qp_attach;
 195         __u32 max_ah;
 196         __u32 max_fmr;
 197         __u32 max_map_per_fmr;
 198         __u32 max_srq;
 199         __u32 max_srq_wr;
 200         __u32 max_srq_sge;
 201         __u16 max_pkeys;
 202         __u8  local_ca_ack_delay;
 203         __u8  phys_port_cnt;
 204         __u8  reserved[4];
 205 };
 206
 207 struct ib_uverbs_ex_query_device {
 208         __u32 comp_mask;
 209         __u32 reserved;
 210 };
 211
 212 struct ib_uverbs_odp_caps {
 213         __u64 general_caps;
 214         struct {
 215                 __u32 rc_odp_caps;
 216                 __u32 uc_odp_caps;
 217                 __u32 ud_odp_caps;
 218         } per_transport_caps;
 219         __u32 reserved;
 220 };
 221
 222 struct ib_uverbs_ex_query_device_resp {
 223         struct ib_uverbs_query_device_resp base;
 224         __u32 comp_mask;
 225         __u32 response_length;
 226         struct ib_uverbs_odp_caps odp_caps;
 227         __u64 timestamp_mask;
 228         __u64 hca_core_clock; /* in KHZ */
 229 };
 230
 231 struct ib_uverbs_query_port {
 232         __u64 response;
 233         __u8  port_num;
 234         __u8  reserved[7];
 235         __u64 driver_data[0];
 236 };
 237
 238 struct ib_uverbs_query_port_resp {
 239         __u32 port_cap_flags;
 240         __u32 max_msg_sz;
 241         __u32 bad_pkey_cntr;
 242         __u32 qkey_viol_cntr;
 243         __u32 gid_tbl_len;
 244         __u16 pkey_tbl_len;
 245         __u16 lid;
 246         __u16 sm_lid;
 247         __u8  state;
 248         __u8  max_mtu;
 249         __u8  active_mtu;
 250         __u8  lmc;
 251         __u8  max_vl_num;
 252         __u8  sm_sl;
 253         __u8  subnet_timeout;
 254         __u8  init_type_reply;
 255         __u8  active_width;
 256         __u8  active_speed;
 257         __u8  phys_state;
 258         __u8  link_layer;
 259         __u8  reserved[2];
 260 };
 261
 262 struct ib_uverbs_alloc_pd {
 263         __u64 response;
 264         __u64 driver_data[0];
 265 };
 266
 267 struct ib_uverbs_alloc_pd_resp {
 268         __u32 pd_handle;
 269 };
 270
 271 struct ib_uverbs_dealloc_pd {
 272         __u32 pd_handle;
 273 };
 274
 275 struct ib_uverbs_open_xrcd {
 276         __u64 response;
 277         __u32 fd;
 278         __u32 oflags;
 279         __u64 driver_data[0];
 280 };
 281
 282 struct ib_uverbs_open_xrcd_resp {
 283         __u32 xrcd_handle;
 284 };
 285
 286 struct ib_uverbs_close_xrcd {
 287         __u32 xrcd_handle;
 288 };
 289
 290 struct ib_uverbs_reg_mr {
 291         __u64 response;
 292         __u64 start;
 293         __u64 length;
 294         __u64 hca_va;
 295         __u32 pd_handle;
 296         __u32 access_flags;
 297         __u64 driver_data[0];
 298 };
 299
 300 struct ib_uverbs_reg_mr_resp {
 301         __u32 mr_handle;
 302         __u32 lkey;
 303         __u32 rkey;
 304 };
 305
 306 struct ib_uverbs_rereg_mr {
 307         __u64 response;
 308         __u32 mr_handle;
 309         __u32 flags;
 310         __u64 start;
 311         __u64 length;
 312         __u64 hca_va;
 313         __u32 pd_handle;
 314         __u32 access_flags;
 315 };
 316
 317 struct ib_uverbs_rereg_mr_resp {
 318         __u32 lkey;
 319         __u32 rkey;
 320 };
 321
 322 struct ib_uverbs_dereg_mr {
 323         __u32 mr_handle;
 324 };
 325
 326 struct ib_uverbs_alloc_mw {
 327         __u64 response;
 328         __u32 pd_handle;
 329         __u8  mw_type;
 330         __u8  reserved[3];
 331 };
 332
 333 struct ib_uverbs_alloc_mw_resp {
 334         __u32 mw_handle;
 335         __u32 rkey;
 336 };
 337
 338 struct ib_uverbs_dealloc_mw {
 339         __u32 mw_handle;
 340 };
 341
 342 struct ib_uverbs_create_comp_channel {
 343         __u64 response;
 344 };
 345
 346 struct ib_uverbs_create_comp_channel_resp {
 347         __u32 fd;
 348 };
 349
 350 struct ib_uverbs_create_cq {
 351         __u64 response;
 352         __u64 user_handle;
 353         __u32 cqe;
 354         __u32 comp_vector;
 355         __s32 comp_channel;
 356         __u32 reserved;
 357         __u64 driver_data[0];
 358 };
 359
 360 struct ib_uverbs_ex_create_cq {
 361         __u64 user_handle;
 362         __u32 cqe;
 363         __u32 comp_vector;
 364         __s32 comp_channel;
 365         __u32 comp_mask;
 366         __u32 flags;
 367         __u32 reserved;
 368 };
 369
 370 struct ib_uverbs_create_cq_resp {
 371         __u32 cq_handle;
 372         __u32 cqe;
 373 };
 374
 375 struct ib_uverbs_ex_create_cq_resp {
 376         struct ib_uverbs_create_cq_resp base;
 377         __u32 comp_mask;
 378         __u32 response_length;
 379 };
 380
 381 struct ib_uverbs_resize_cq {
 382         __u64 response;
 383         __u32 cq_handle;
 384         __u32 cqe;
 385         __u64 driver_data[0];
 386 };
 387
 388 struct ib_uverbs_resize_cq_resp {
 389         __u32 cqe;
 390         __u32 reserved;
 391         __u64 driver_data[0];
 392 };
 393
 394 struct ib_uverbs_poll_cq {
 395         __u64 response;
 396         __u32 cq_handle;
 397         __u32 ne;
 398 };
 399
 400 struct ib_uverbs_wc {
 401         __u64 wr_id;
 402         __u32 status;
 403         __u32 opcode;
 404         __u32 vendor_err;
 405         __u32 byte_len;
 406         union {
 407                 __u32 imm_data;
 408                 __u32 invalidate_rkey;
 409         } ex;
 410         __u32 qp_num;
 411         __u32 src_qp;
 412         __u32 wc_flags;
 413         __u16 pkey_index;
 414         __u16 slid;
 415         __u8 sl;
 416         __u8 dlid_path_bits;
 417         __u8 port_num;
 418         __u8 reserved;
 419 };
 420
 421 struct ib_uverbs_poll_cq_resp {
 422         __u32 count;
 423         __u32 reserved;
 424         struct ib_uverbs_wc wc[0];
 425 };
 426
 427 struct ib_uverbs_req_notify_cq {
 428         __u32 cq_handle;
 429         __u32 solicited_only;
 430 };
 431
 432 struct ib_uverbs_destroy_cq {
 433         __u64 response;
 434         __u32 cq_handle;
 435         __u32 reserved;
 436 };
 437
 438 struct ib_uverbs_destroy_cq_resp {
 439         __u32 comp_events_reported;
 440         __u32 async_events_reported;
 441 };
 442
 443 struct ib_uverbs_global_route {
 444         __u8  dgid[16];
 445         __u32 flow_label;
 446         __u8  sgid_index;
 447         __u8  hop_limit;
 448         __u8  traffic_class;
 449         __u8  reserved;
 450 };
 451
 452 struct ib_uverbs_ah_attr {
 453         struct ib_uverbs_global_route grh;
 454         __u16 dlid;
 455         __u8  sl;
 456         __u8  src_path_bits;
 457         __u8  static_rate;
 458         __u8  is_global;
 459         __u8  port_num;
 460         __u8  reserved;
 461 };
 462
 463 struct ib_uverbs_qp_attr {
 464         __u32   qp_attr_mask;
 465         __u32   qp_state;
 466         __u32   cur_qp_state;
 467         __u32   path_mtu;
 468         __u32   path_mig_state;
 469         __u32   qkey;
 470         __u32   rq_psn;
 471         __u32   sq_psn;
 472         __u32   dest_qp_num;
 473         __u32   qp_access_flags;
 474
 475         struct ib_uverbs_ah_attr ah_attr;
 476         struct ib_uverbs_ah_attr alt_ah_attr;
 477
 478         /* ib_qp_cap */
 479         __u32   max_send_wr;
 480         __u32   max_recv_wr;
 481         __u32   max_send_sge;
 482         __u32   max_recv_sge;
 483         __u32   max_inline_data;
 484
 485         __u16   pkey_index;
 486         __u16   alt_pkey_index;
 487         __u8    en_sqd_async_notify;
 488         __u8    sq_draining;
 489         __u8    max_rd_atomic;
 490         __u8    max_dest_rd_atomic;
 491         __u8    min_rnr_timer;
 492         __u8    port_num;
 493         __u8    timeout;
 494         __u8    retry_cnt;
 495         __u8    rnr_retry;
 496         __u8    alt_port_num;
 497         __u8    alt_timeout;
 498         __u8    reserved[5];
 499 };
 500
 501 struct ib_uverbs_create_qp {
 502         __u64 response;
 503         __u64 user_handle;
 504         __u32 pd_handle;
 505         __u32 send_cq_handle;
 506         __u32 recv_cq_handle;
 507         __u32 srq_handle;
 508         __u32 max_send_wr;
 509         __u32 max_recv_wr;
 510         __u32 max_send_sge;
 511         __u32 max_recv_sge;
 512         __u32 max_inline_data;
 513         __u8  sq_sig_all;
 514         __u8  qp_type;
 515         __u8  is_srq;
 516         __u8  reserved;
 517         __u64 driver_data[0];
 518 };
 519
 520 struct ib_uverbs_ex_create_qp {
 521         __u64 user_handle;
 522         __u32 pd_handle;
 523         __u32 send_cq_handle;
 524         __u32 recv_cq_handle;
 525         __u32 srq_handle;
 526         __u32 max_send_wr;
 527         __u32 max_recv_wr;
 528         __u32 max_send_sge;
 529         __u32 max_recv_sge;
 530         __u32 max_inline_data;
 531         __u8  sq_sig_all;
 532         __u8  qp_type;
 533         __u8  is_srq;
 534         __u8 reserved;
 535         __u32 comp_mask;
 536         __u32 create_flags;
 537 };
 538
 539 struct ib_uverbs_open_qp {
 540         __u64 response;
 541         __u64 user_handle;
 542         __u32 pd_handle;
 543         __u32 qpn;
 544         __u8  qp_type;
 545         __u8  reserved[7];
 546         __u64 driver_data[0];
 547 };
 548
 549 /* also used for open response */
 550 struct ib_uverbs_create_qp_resp {
 551         __u32 qp_handle;
 552         __u32 qpn;
 553         __u32 max_send_wr;
 554         __u32 max_recv_wr;
 555         __u32 max_send_sge;
 556         __u32 max_recv_sge;
 557         __u32 max_inline_data;
 558         __u32 reserved;
 559 };
 560
 561 struct ib_uverbs_ex_create_qp_resp {
 562         struct ib_uverbs_create_qp_resp base;
 563         __u32 comp_mask;
 564         __u32 response_length;
 565 };
 566
 567 /*
 568  * This struct needs to remain a multiple of 8 bytes to keep the
 569  * alignment of the modify QP parameters.
 570  */
 571 struct ib_uverbs_qp_dest {
 572         __u8  dgid[16];
 573         __u32 flow_label;
 574         __u16 dlid;
 575         __u16 reserved;
 576         __u8  sgid_index;
 577         __u8  hop_limit;
 578         __u8  traffic_class;
 579         __u8  sl;
 580         __u8  src_path_bits;
 581         __u8  static_rate;
 582         __u8  is_global;
 583         __u8  port_num;
 584 };
 585
 586 struct ib_uverbs_query_qp {
 587         __u64 response;
 588         __u32 qp_handle;
 589         __u32 attr_mask;
 590         __u64 driver_data[0];
 591 };
 592
 593 struct ib_uverbs_query_qp_resp {
 594         struct ib_uverbs_qp_dest dest;
 595         struct ib_uverbs_qp_dest alt_dest;
 596         __u32 max_send_wr;
 597         __u32 max_recv_wr;
 598         __u32 max_send_sge;
 599         __u32 max_recv_sge;
 600         __u32 max_inline_data;
 601         __u32 qkey;
 602         __u32 rq_psn;
 603         __u32 sq_psn;
 604         __u32 dest_qp_num;
 605         __u32 qp_access_flags;
 606         __u16 pkey_index;
 607         __u16 alt_pkey_index;
 608         __u8  qp_state;
 609         __u8  cur_qp_state;
 610         __u8  path_mtu;
 611         __u8  path_mig_state;
 612         __u8  sq_draining;
 613         __u8  max_rd_atomic;
 614         __u8  max_dest_rd_atomic;
 615         __u8  min_rnr_timer;
 616         __u8  port_num;
 617         __u8  timeout;
 618         __u8  retry_cnt;
 619         __u8  rnr_retry;
 620         __u8  alt_port_num;
 621         __u8  alt_timeout;
 622         __u8  sq_sig_all;
 623         __u8  reserved[5];
 624         __u64 driver_data[0];
 625 };
 626
 627 struct ib_uverbs_modify_qp {
 628         struct ib_uverbs_qp_dest dest;
 629         struct ib_uverbs_qp_dest alt_dest;
 630         __u32 qp_handle;
 631         __u32 attr_mask;
 632         __u32 qkey;
 633         __u32 rq_psn;
 634         __u32 sq_psn;
 635         __u32 dest_qp_num;
 636         __u32 qp_access_flags;
 637         __u16 pkey_index;
 638         __u16 alt_pkey_index;
 639         __u8  qp_state;
 640         __u8  cur_qp_state;
 641         __u8  path_mtu;
 642         __u8  path_mig_state;
 643         __u8  en_sqd_async_notify;
 644         __u8  max_rd_atomic;
 645         __u8  max_dest_rd_atomic;
 646         __u8  min_rnr_timer;
 647         __u8  port_num;
 648         __u8  timeout;
 649         __u8  retry_cnt;
 650         __u8  rnr_retry;
 651         __u8  alt_port_num;
 652         __u8  alt_timeout;
 653         __u8  reserved[2];
 654         __u64 driver_data[0];
 655 };
 656
 657 struct ib_uverbs_modify_qp_resp {
 658 };
 659
 660 struct ib_uverbs_destroy_qp {
 661         __u64 response;
 662         __u32 qp_handle;
 663         __u32 reserved;
 664 };
 665
 666 struct ib_uverbs_destroy_qp_resp {
 667         __u32 events_reported;
 668 };
 669
 670 /*
 671  * The ib_uverbs_sge structure isn't used anywhere, since we assume
 672  * the ib_sge structure is packed the same way on 32-bit and 64-bit
 673  * architectures in both kernel and user space.  It's just here to
 674  * document the ABI.
 675  */
 676 struct ib_uverbs_sge {
 677         __u64 addr;
 678         __u32 length;
 679         __u32 lkey;
 680 };
 681
 682 struct ib_uverbs_send_wr {
 683         __u64 wr_id;
 684         __u32 num_sge;
 685         __u32 opcode;
 686         __u32 send_flags;
 687         union {
 688                 __u32 imm_data;
 689                 __u32 invalidate_rkey;
 690         } ex;
 691         union {
 692                 struct {
 693                         __u64 remote_addr;
 694                         __u32 rkey;
 695                         __u32 reserved;
 696                 } rdma;
 697                 struct {
 698                         __u64 remote_addr;
 699                         __u64 compare_add;
 700                         __u64 swap;
 701                         __u32 rkey;
 702                         __u32 reserved;
 703                 } atomic;
 704                 struct {
 705                         __u32 ah;
 706                         __u32 remote_qpn;
 707                         __u32 remote_qkey;
 708                         __u32 reserved;
 709                 } ud;
 710         } wr;
 711 };
 712
 713 struct ib_uverbs_post_send {
 714         __u64 response;
 715         __u32 qp_handle;
 716         __u32 wr_count;
 717         __u32 sge_count;
 718         __u32 wqe_size;
 719         struct ib_uverbs_send_wr send_wr[0];
 720 };
 721
 722 struct ib_uverbs_post_send_resp {
 723         __u32 bad_wr;
 724 };
 725
 726 struct ib_uverbs_recv_wr {
 727         __u64 wr_id;
 728         __u32 num_sge;
 729         __u32 reserved;
 730 };
 731
 732 struct ib_uverbs_post_recv {
 733         __u64 response;
 734         __u32 qp_handle;
 735         __u32 wr_count;
 736         __u32 sge_count;
 737         __u32 wqe_size;
 738         struct ib_uverbs_recv_wr recv_wr[0];
 739 };
 740
 741 struct ib_uverbs_post_recv_resp {
 742         __u32 bad_wr;
 743 };
 744
 745 struct ib_uverbs_post_srq_recv {
 746         __u64 response;
 747         __u32 srq_handle;
 748         __u32 wr_count;
 749         __u32 sge_count;
 750         __u32 wqe_size;
 751         struct ib_uverbs_recv_wr recv[0];
 752 };
 753
 754 struct ib_uverbs_post_srq_recv_resp {
 755         __u32 bad_wr;
 756 };
 757
 758 struct ib_uverbs_create_ah {
 759         __u64 response;
 760         __u64 user_handle;
 761         __u32 pd_handle;
 762         __u32 reserved;
 763         struct ib_uverbs_ah_attr attr;
 764 };
 765
 766 struct ib_uverbs_create_ah_resp {
 767         __u32 ah_handle;
 768 };
 769
 770 struct ib_uverbs_destroy_ah {
 771         __u32 ah_handle;
 772 };
 773
 774 struct ib_uverbs_attach_mcast {
 775         __u8  gid[16];
 776         __u32 qp_handle;
 777         __u16 mlid;
 778         __u16 reserved;
 779         __u64 driver_data[0];
 780 };
 781
 782 struct ib_uverbs_detach_mcast {
 783         __u8  gid[16];
 784         __u32 qp_handle;
 785         __u16 mlid;
 786         __u16 reserved;
 787         __u64 driver_data[0];
 788 };
 789
 790 struct ib_uverbs_flow_spec_hdr {
 791         __u32 type;
 792         __u16 size;
 793         __u16 reserved;
 794         /* followed by flow_spec */
 795         __u64 flow_spec_data[0];
 796 };
 797
 798 struct ib_uverbs_flow_eth_filter {
 799         __u8  dst_mac[6];
 800         __u8  src_mac[6];
 801         __be16 ether_type;
 802         __be16 vlan_tag;
 803 };
 804
 805 struct ib_uverbs_flow_spec_eth {
 806         union {
 807                 struct ib_uverbs_flow_spec_hdr hdr;
 808                 struct {
 809                         __u32 type;
 810                         __u16 size;
 811                         __u16 reserved;
 812                 };
 813         };
 814         struct ib_uverbs_flow_eth_filter val;
 815         struct ib_uverbs_flow_eth_filter mask;
 816 };
 817
 818 struct ib_uverbs_flow_ipv4_filter {
 819         __be32 src_ip;
 820         __be32 dst_ip;
 821 };
 822
 823 struct ib_uverbs_flow_spec_ipv4 {
 824         union {
 825                 struct ib_uverbs_flow_spec_hdr hdr;
 826                 struct {
 827                         __u32 type;
 828                         __u16 size;
 829                         __u16 reserved;
 830                 };
 831         };
 832         struct ib_uverbs_flow_ipv4_filter val;
 833         struct ib_uverbs_flow_ipv4_filter mask;
 834 };
 835
 836 struct ib_uverbs_flow_tcp_udp_filter {
 837         __be16 dst_port;
 838         __be16 src_port;
 839 };
 840
 841 struct ib_uverbs_flow_spec_tcp_udp {
 842         union {
 843                 struct ib_uverbs_flow_spec_hdr hdr;
 844                 struct {
 845                         __u32 type;
 846                         __u16 size;
 847                         __u16 reserved;
 848                 };
 849         };
 850         struct ib_uverbs_flow_tcp_udp_filter val;
 851         struct ib_uverbs_flow_tcp_udp_filter mask;
 852 };
 853
 854 struct ib_uverbs_flow_attr {
 855         __u32 type;
 856         __u16 size;
 857         __u16 priority;
 858         __u8  num_of_specs;
 859         __u8  reserved[2];
 860         __u8  port;
 861         __u32 flags;
 862         /* Following are the optional layers according to user request
 863          * struct ib_flow_spec_xxx
 864          * struct ib_flow_spec_yyy
 865          */
 866         struct ib_uverbs_flow_spec_hdr flow_specs[0];
 867 };
 868
 869 struct ib_uverbs_create_flow  {
 870         __u32 comp_mask;
 871         __u32 qp_handle;
 872         struct ib_uverbs_flow_attr flow_attr;
 873 };
 874
 875 struct ib_uverbs_create_flow_resp {
 876         __u32 comp_mask;
 877         __u32 flow_handle;
 878 };
 879
 880 struct ib_uverbs_destroy_flow  {
 881         __u32 comp_mask;
 882         __u32 flow_handle;
 883 };
 884
 885 struct ib_uverbs_create_srq {
 886         __u64 response;
 887         __u64 user_handle;
 888         __u32 pd_handle;
 889         __u32 max_wr;
 890         __u32 max_sge;
 891         __u32 srq_limit;
 892         __u64 driver_data[0];
 893 };
 894
 895 struct ib_uverbs_create_xsrq {
 896         __u64 response;
 897         __u64 user_handle;
 898         __u32 srq_type;
 899         __u32 pd_handle;
 900         __u32 max_wr;
 901         __u32 max_sge;
 902         __u32 srq_limit;
 903         __u32 reserved;
 904         __u32 xrcd_handle;
 905         __u32 cq_handle;
 906         __u64 driver_data[0];
 907 };
 908
 909 struct ib_uverbs_create_srq_resp {
 910         __u32 srq_handle;
 911         __u32 max_wr;
 912         __u32 max_sge;
 913         __u32 srqn;
 914 };
 915
 916 struct ib_uverbs_modify_srq {
 917         __u32 srq_handle;
 918         __u32 attr_mask;
 919         __u32 max_wr;
 920         __u32 srq_limit;
 921         __u64 driver_data[0];
 922 };
 923
 924 struct ib_uverbs_query_srq {
 925         __u64 response;
 926         __u32 srq_handle;
 927         __u32 reserved;
 928         __u64 driver_data[0];
 929 };
 930
 931 struct ib_uverbs_query_srq_resp {
 932         __u32 max_wr;
 933         __u32 max_sge;
 934         __u32 srq_limit;
 935         __u32 reserved;
 936 };
 937
 938 struct ib_uverbs_destroy_srq {
 939         __u64 response;
 940         __u32 srq_handle;
 941         __u32 reserved;
 942 };
 943
 944 struct ib_uverbs_destroy_srq_resp {
 945         __u32 events_reported;
 946 };
 947
 948 #endif /* IB_USER_VERBS_H */