linux/include/uapi/rdma/ib_user_verbs.h
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   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
  48enum {
  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
  92enum {
  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
 111struct ib_uverbs_async_event_desc {
 112        __u64 element;
 113        __u32 event_type;       /* enum ib_event_type */
 114        __u32 reserved;
 115};
 116
 117struct 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
 135struct ib_uverbs_cmd_hdr {
 136        __u32 command;
 137        __u16 in_words;
 138        __u16 out_words;
 139};
 140
 141struct 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
 148struct ib_uverbs_get_context {
 149        __u64 response;
 150        __u64 driver_data[0];
 151};
 152
 153struct ib_uverbs_get_context_resp {
 154        __u32 async_fd;
 155        __u32 num_comp_vectors;
 156};
 157
 158struct ib_uverbs_query_device {
 159        __u64 response;
 160        __u64 driver_data[0];
 161};
 162
 163struct 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
 207struct ib_uverbs_ex_query_device {
 208        __u32 comp_mask;
 209        __u32 reserved;
 210};
 211
 212struct 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
 222struct 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
 231struct ib_uverbs_query_port {
 232        __u64 response;
 233        __u8  port_num;
 234        __u8  reserved[7];
 235        __u64 driver_data[0];
 236};
 237
 238struct 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
 262struct ib_uverbs_alloc_pd {
 263        __u64 response;
 264        __u64 driver_data[0];
 265};
 266
 267struct ib_uverbs_alloc_pd_resp {
 268        __u32 pd_handle;
 269};
 270
 271struct ib_uverbs_dealloc_pd {
 272        __u32 pd_handle;
 273};
 274
 275struct ib_uverbs_open_xrcd {
 276        __u64 response;
 277        __u32 fd;
 278        __u32 oflags;
 279        __u64 driver_data[0];
 280};
 281
 282struct ib_uverbs_open_xrcd_resp {
 283        __u32 xrcd_handle;
 284};
 285
 286struct ib_uverbs_close_xrcd {
 287        __u32 xrcd_handle;
 288};
 289
 290struct 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
 300struct ib_uverbs_reg_mr_resp {
 301        __u32 mr_handle;
 302        __u32 lkey;
 303        __u32 rkey;
 304};
 305
 306struct 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
 317struct ib_uverbs_rereg_mr_resp {
 318        __u32 lkey;
 319        __u32 rkey;
 320};
 321
 322struct ib_uverbs_dereg_mr {
 323        __u32 mr_handle;
 324};
 325
 326struct ib_uverbs_alloc_mw {
 327        __u64 response;
 328        __u32 pd_handle;
 329        __u8  mw_type;
 330        __u8  reserved[3];
 331};
 332
 333struct ib_uverbs_alloc_mw_resp {
 334        __u32 mw_handle;
 335        __u32 rkey;
 336};
 337
 338struct ib_uverbs_dealloc_mw {
 339        __u32 mw_handle;
 340};
 341
 342struct ib_uverbs_create_comp_channel {
 343        __u64 response;
 344};
 345
 346struct ib_uverbs_create_comp_channel_resp {
 347        __u32 fd;
 348};
 349
 350struct 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
 360struct 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
 370struct ib_uverbs_create_cq_resp {
 371        __u32 cq_handle;
 372        __u32 cqe;
 373};
 374
 375struct ib_uverbs_ex_create_cq_resp {
 376        struct ib_uverbs_create_cq_resp base;
 377        __u32 comp_mask;
 378        __u32 response_length;
 379};
 380
 381struct ib_uverbs_resize_cq {
 382        __u64 response;
 383        __u32 cq_handle;
 384        __u32 cqe;
 385        __u64 driver_data[0];
 386};
 387
 388struct ib_uverbs_resize_cq_resp {
 389        __u32 cqe;
 390        __u32 reserved;
 391        __u64 driver_data[0];
 392};
 393
 394struct ib_uverbs_poll_cq {
 395        __u64 response;
 396        __u32 cq_handle;
 397        __u32 ne;
 398};
 399
 400struct 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
 421struct ib_uverbs_poll_cq_resp {
 422        __u32 count;
 423        __u32 reserved;
 424        struct ib_uverbs_wc wc[0];
 425};
 426
 427struct ib_uverbs_req_notify_cq {
 428        __u32 cq_handle;
 429        __u32 solicited_only;
 430};
 431
 432struct ib_uverbs_destroy_cq {
 433        __u64 response;
 434        __u32 cq_handle;
 435        __u32 reserved;
 436};
 437
 438struct ib_uverbs_destroy_cq_resp {
 439        __u32 comp_events_reported;
 440        __u32 async_events_reported;
 441};
 442
 443struct 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
 452struct 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
 463struct 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
 501struct 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
 520struct 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
 539struct 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 */
 550struct 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
 561struct 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 */
 571struct 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
 586struct ib_uverbs_query_qp {
 587        __u64 response;
 588        __u32 qp_handle;
 589        __u32 attr_mask;
 590        __u64 driver_data[0];
 591};
 592
 593struct 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
 627struct 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
 657struct ib_uverbs_modify_qp_resp {
 658};
 659
 660struct ib_uverbs_destroy_qp {
 661        __u64 response;
 662        __u32 qp_handle;
 663        __u32 reserved;
 664};
 665
 666struct 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 */
 676struct ib_uverbs_sge {
 677        __u64 addr;
 678        __u32 length;
 679        __u32 lkey;
 680};
 681
 682struct 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
 713struct 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
 722struct ib_uverbs_post_send_resp {
 723        __u32 bad_wr;
 724};
 725
 726struct ib_uverbs_recv_wr {
 727        __u64 wr_id;
 728        __u32 num_sge;
 729        __u32 reserved;
 730};
 731
 732struct 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
 741struct ib_uverbs_post_recv_resp {
 742        __u32 bad_wr;
 743};
 744
 745struct 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
 754struct ib_uverbs_post_srq_recv_resp {
 755        __u32 bad_wr;
 756};
 757
 758struct 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
 766struct ib_uverbs_create_ah_resp {
 767        __u32 ah_handle;
 768};
 769
 770struct ib_uverbs_destroy_ah {
 771        __u32 ah_handle;
 772};
 773
 774struct 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
 782struct 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
 790struct 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
 798struct 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
 805struct 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
 818struct ib_uverbs_flow_ipv4_filter {
 819        __be32 src_ip;
 820        __be32 dst_ip;
 821};
 822
 823struct 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
 836struct ib_uverbs_flow_tcp_udp_filter {
 837        __be16 dst_port;
 838        __be16 src_port;
 839};
 840
 841struct 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
 854struct 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
 869struct ib_uverbs_create_flow  {
 870        __u32 comp_mask;
 871        __u32 qp_handle;
 872        struct ib_uverbs_flow_attr flow_attr;
 873};
 874
 875struct ib_uverbs_create_flow_resp {
 876        __u32 comp_mask;
 877        __u32 flow_handle;
 878};
 879
 880struct ib_uverbs_destroy_flow  {
 881        __u32 comp_mask;
 882        __u32 flow_handle;
 883};
 884
 885struct 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
 895struct 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
 909struct ib_uverbs_create_srq_resp {
 910        __u32 srq_handle;
 911        __u32 max_wr;
 912        __u32 max_sge;
 913        __u32 srqn;
 914};
 915
 916struct 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
 924struct ib_uverbs_query_srq {
 925        __u64 response;
 926        __u32 srq_handle;
 927        __u32 reserved;
 928        __u64 driver_data[0];
 929};
 930
 931struct ib_uverbs_query_srq_resp {
 932        __u32 max_wr;
 933        __u32 max_sge;
 934        __u32 srq_limit;
 935        __u32 reserved;
 936};
 937
 938struct ib_uverbs_destroy_srq {
 939        __u64 response;
 940        __u32 srq_handle;
 941        __u32 reserved;
 942};
 943
 944struct ib_uverbs_destroy_srq_resp {
 945        __u32 events_reported;
 946};
 947
 948#endif /* IB_USER_VERBS_H */
 949