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