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         IB_USER_VERBS_EX_CMD_CREATE_WQ,
  99         IB_USER_VERBS_EX_CMD_MODIFY_WQ,
 100         IB_USER_VERBS_EX_CMD_DESTROY_WQ,
 101         IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL,
 102         IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL
 103 };
 104
 105 /*
 106  * Make sure that all structs defined in this file remain laid out so
 107  * that they pack the same way on 32-bit and 64-bit architectures (to
 108  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 109  * Specifically:
 110  *  - Do not use pointer types -- pass pointers in __u64 instead.
 111  *  - Make sure that any structure larger than 4 bytes is padded to a
 112  *    multiple of 8 bytes.  Otherwise the structure size will be
 113  *    different between 32-bit and 64-bit architectures.
 114  */
 115
 116 struct ib_uverbs_async_event_desc {
 117         __u64 element;
 118         __u32 event_type;       /* enum ib_event_type */
 119         __u32 reserved;
 120 };
 121
 122 struct ib_uverbs_comp_event_desc {
 123         __u64 cq_handle;
 124 };
 125
 126 /*
 127  * All commands from userspace should start with a __u32 command field
 128  * followed by __u16 in_words and out_words fields (which give the
 129  * length of the command block and response buffer if any in 32-bit
 130  * words).  The kernel driver will read these fields first and read
 131  * the rest of the command struct based on these value.
 132  */
 133
 134 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff
 135 #define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u
 136 #define IB_USER_VERBS_CMD_FLAGS_SHIFT 24
 137
 138 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80
 139
 140 struct ib_uverbs_cmd_hdr {
 141         __u32 command;
 142         __u16 in_words;
 143         __u16 out_words;
 144 };
 145
 146 struct ib_uverbs_ex_cmd_hdr {
 147         __u64 response;
 148         __u16 provider_in_words;
 149         __u16 provider_out_words;
 150         __u32 cmd_hdr_reserved;
 151 };
 152
 153 struct ib_uverbs_get_context {
 154         __u64 response;
 155         __u64 driver_data[0];
 156 };
 157
 158 struct ib_uverbs_get_context_resp {
 159         __u32 async_fd;
 160         __u32 num_comp_vectors;
 161 };
 162
 163 struct ib_uverbs_query_device {
 164         __u64 response;
 165         __u64 driver_data[0];
 166 };
 167
 168 struct ib_uverbs_query_device_resp {
 169         __u64 fw_ver;
 170         __be64 node_guid;
 171         __be64 sys_image_guid;
 172         __u64 max_mr_size;
 173         __u64 page_size_cap;
 174         __u32 vendor_id;
 175         __u32 vendor_part_id;
 176         __u32 hw_ver;
 177         __u32 max_qp;
 178         __u32 max_qp_wr;
 179         __u32 device_cap_flags;
 180         __u32 max_sge;
 181         __u32 max_sge_rd;
 182         __u32 max_cq;
 183         __u32 max_cqe;
 184         __u32 max_mr;
 185         __u32 max_pd;
 186         __u32 max_qp_rd_atom;
 187         __u32 max_ee_rd_atom;
 188         __u32 max_res_rd_atom;
 189         __u32 max_qp_init_rd_atom;
 190         __u32 max_ee_init_rd_atom;
 191         __u32 atomic_cap;
 192         __u32 max_ee;
 193         __u32 max_rdd;
 194         __u32 max_mw;
 195         __u32 max_raw_ipv6_qp;
 196         __u32 max_raw_ethy_qp;
 197         __u32 max_mcast_grp;
 198         __u32 max_mcast_qp_attach;
 199         __u32 max_total_mcast_qp_attach;
 200         __u32 max_ah;
 201         __u32 max_fmr;
 202         __u32 max_map_per_fmr;
 203         __u32 max_srq;
 204         __u32 max_srq_wr;
 205         __u32 max_srq_sge;
 206         __u16 max_pkeys;
 207         __u8  local_ca_ack_delay;
 208         __u8  phys_port_cnt;
 209         __u8  reserved[4];
 210 };
 211
 212 struct ib_uverbs_ex_query_device {
 213         __u32 comp_mask;
 214         __u32 reserved;
 215 };
 216
 217 struct ib_uverbs_odp_caps {
 218         __u64 general_caps;
 219         struct {
 220                 __u32 rc_odp_caps;
 221                 __u32 uc_odp_caps;
 222                 __u32 ud_odp_caps;
 223         } per_transport_caps;
 224         __u32 reserved;
 225 };
 226
 227 struct ib_uverbs_ex_query_device_resp {
 228         struct ib_uverbs_query_device_resp base;
 229         __u32 comp_mask;
 230         __u32 response_length;
 231         struct ib_uverbs_odp_caps odp_caps;
 232         __u64 timestamp_mask;
 233         __u64 hca_core_clock; /* in KHZ */
 234         __u64 device_cap_flags_ex;
 235 };
 236
 237 struct ib_uverbs_query_port {
 238         __u64 response;
 239         __u8  port_num;
 240         __u8  reserved[7];
 241         __u64 driver_data[0];
 242 };
 243
 244 struct ib_uverbs_query_port_resp {
 245         __u32 port_cap_flags;
 246         __u32 max_msg_sz;
 247         __u32 bad_pkey_cntr;
 248         __u32 qkey_viol_cntr;
 249         __u32 gid_tbl_len;
 250         __u16 pkey_tbl_len;
 251         __u16 lid;
 252         __u16 sm_lid;
 253         __u8  state;
 254         __u8  max_mtu;
 255         __u8  active_mtu;
 256         __u8  lmc;
 257         __u8  max_vl_num;
 258         __u8  sm_sl;
 259         __u8  subnet_timeout;
 260         __u8  init_type_reply;
 261         __u8  active_width;
 262         __u8  active_speed;
 263         __u8  phys_state;
 264         __u8  link_layer;
 265         __u8  reserved[2];
 266 };
 267
 268 struct ib_uverbs_alloc_pd {
 269         __u64 response;
 270         __u64 driver_data[0];
 271 };
 272
 273 struct ib_uverbs_alloc_pd_resp {
 274         __u32 pd_handle;
 275 };
 276
 277 struct ib_uverbs_dealloc_pd {
 278         __u32 pd_handle;
 279 };
 280
 281 struct ib_uverbs_open_xrcd {
 282         __u64 response;
 283         __u32 fd;
 284         __u32 oflags;
 285         __u64 driver_data[0];
 286 };
 287
 288 struct ib_uverbs_open_xrcd_resp {
 289         __u32 xrcd_handle;
 290 };
 291
 292 struct ib_uverbs_close_xrcd {
 293         __u32 xrcd_handle;
 294 };
 295
 296 struct ib_uverbs_reg_mr {
 297         __u64 response;
 298         __u64 start;
 299         __u64 length;
 300         __u64 hca_va;
 301         __u32 pd_handle;
 302         __u32 access_flags;
 303         __u64 driver_data[0];
 304 };
 305
 306 struct ib_uverbs_reg_mr_resp {
 307         __u32 mr_handle;
 308         __u32 lkey;
 309         __u32 rkey;
 310 };
 311
 312 struct ib_uverbs_rereg_mr {
 313         __u64 response;
 314         __u32 mr_handle;
 315         __u32 flags;
 316         __u64 start;
 317         __u64 length;
 318         __u64 hca_va;
 319         __u32 pd_handle;
 320         __u32 access_flags;
 321 };
 322
 323 struct ib_uverbs_rereg_mr_resp {
 324         __u32 lkey;
 325         __u32 rkey;
 326 };
 327
 328 struct ib_uverbs_dereg_mr {
 329         __u32 mr_handle;
 330 };
 331
 332 struct ib_uverbs_alloc_mw {
 333         __u64 response;
 334         __u32 pd_handle;
 335         __u8  mw_type;
 336         __u8  reserved[3];
 337 };
 338
 339 struct ib_uverbs_alloc_mw_resp {
 340         __u32 mw_handle;
 341         __u32 rkey;
 342 };
 343
 344 struct ib_uverbs_dealloc_mw {
 345         __u32 mw_handle;
 346 };
 347
 348 struct ib_uverbs_create_comp_channel {
 349         __u64 response;
 350 };
 351
 352 struct ib_uverbs_create_comp_channel_resp {
 353         __u32 fd;
 354 };
 355
 356 struct ib_uverbs_create_cq {
 357         __u64 response;
 358         __u64 user_handle;
 359         __u32 cqe;
 360         __u32 comp_vector;
 361         __s32 comp_channel;
 362         __u32 reserved;
 363         __u64 driver_data[0];
 364 };
 365
 366 struct ib_uverbs_ex_create_cq {
 367         __u64 user_handle;
 368         __u32 cqe;
 369         __u32 comp_vector;
 370         __s32 comp_channel;
 371         __u32 comp_mask;
 372         __u32 flags;
 373         __u32 reserved;
 374 };
 375
 376 struct ib_uverbs_create_cq_resp {
 377         __u32 cq_handle;
 378         __u32 cqe;
 379 };
 380
 381 struct ib_uverbs_ex_create_cq_resp {
 382         struct ib_uverbs_create_cq_resp base;
 383         __u32 comp_mask;
 384         __u32 response_length;
 385 };
 386
 387 struct ib_uverbs_resize_cq {
 388         __u64 response;
 389         __u32 cq_handle;
 390         __u32 cqe;
 391         __u64 driver_data[0];
 392 };
 393
 394 struct ib_uverbs_resize_cq_resp {
 395         __u32 cqe;
 396         __u32 reserved;
 397         __u64 driver_data[0];
 398 };
 399
 400 struct ib_uverbs_poll_cq {
 401         __u64 response;
 402         __u32 cq_handle;
 403         __u32 ne;
 404 };
 405
 406 struct ib_uverbs_wc {
 407         __u64 wr_id;
 408         __u32 status;
 409         __u32 opcode;
 410         __u32 vendor_err;
 411         __u32 byte_len;
 412         union {
 413                 __u32 imm_data;
 414                 __u32 invalidate_rkey;
 415         } ex;
 416         __u32 qp_num;
 417         __u32 src_qp;
 418         __u32 wc_flags;
 419         __u16 pkey_index;
 420         __u16 slid;
 421         __u8 sl;
 422         __u8 dlid_path_bits;
 423         __u8 port_num;
 424         __u8 reserved;
 425 };
 426
 427 struct ib_uverbs_poll_cq_resp {
 428         __u32 count;
 429         __u32 reserved;
 430         struct ib_uverbs_wc wc[0];
 431 };
 432
 433 struct ib_uverbs_req_notify_cq {
 434         __u32 cq_handle;
 435         __u32 solicited_only;
 436 };
 437
 438 struct ib_uverbs_destroy_cq {
 439         __u64 response;
 440         __u32 cq_handle;
 441         __u32 reserved;
 442 };
 443
 444 struct ib_uverbs_destroy_cq_resp {
 445         __u32 comp_events_reported;
 446         __u32 async_events_reported;
 447 };
 448
 449 struct ib_uverbs_global_route {
 450         __u8  dgid[16];
 451         __u32 flow_label;
 452         __u8  sgid_index;
 453         __u8  hop_limit;
 454         __u8  traffic_class;
 455         __u8  reserved;
 456 };
 457
 458 struct ib_uverbs_ah_attr {
 459         struct ib_uverbs_global_route grh;
 460         __u16 dlid;
 461         __u8  sl;
 462         __u8  src_path_bits;
 463         __u8  static_rate;
 464         __u8  is_global;
 465         __u8  port_num;
 466         __u8  reserved;
 467 };
 468
 469 struct ib_uverbs_qp_attr {
 470         __u32   qp_attr_mask;
 471         __u32   qp_state;
 472         __u32   cur_qp_state;
 473         __u32   path_mtu;
 474         __u32   path_mig_state;
 475         __u32   qkey;
 476         __u32   rq_psn;
 477         __u32   sq_psn;
 478         __u32   dest_qp_num;
 479         __u32   qp_access_flags;
 480
 481         struct ib_uverbs_ah_attr ah_attr;
 482         struct ib_uverbs_ah_attr alt_ah_attr;
 483
 484         /* ib_qp_cap */
 485         __u32   max_send_wr;
 486         __u32   max_recv_wr;
 487         __u32   max_send_sge;
 488         __u32   max_recv_sge;
 489         __u32   max_inline_data;
 490
 491         __u16   pkey_index;
 492         __u16   alt_pkey_index;
 493         __u8    en_sqd_async_notify;
 494         __u8    sq_draining;
 495         __u8    max_rd_atomic;
 496         __u8    max_dest_rd_atomic;
 497         __u8    min_rnr_timer;
 498         __u8    port_num;
 499         __u8    timeout;
 500         __u8    retry_cnt;
 501         __u8    rnr_retry;
 502         __u8    alt_port_num;
 503         __u8    alt_timeout;
 504         __u8    reserved[5];
 505 };
 506
 507 struct ib_uverbs_create_qp {
 508         __u64 response;
 509         __u64 user_handle;
 510         __u32 pd_handle;
 511         __u32 send_cq_handle;
 512         __u32 recv_cq_handle;
 513         __u32 srq_handle;
 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         __u8  sq_sig_all;
 520         __u8  qp_type;
 521         __u8  is_srq;
 522         __u8  reserved;
 523         __u64 driver_data[0];
 524 };
 525
 526 enum ib_uverbs_create_qp_mask {
 527         IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0,
 528 };
 529
 530 enum {
 531         IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE,
 532 };
 533
 534 struct ib_uverbs_ex_create_qp {
 535         __u64 user_handle;
 536         __u32 pd_handle;
 537         __u32 send_cq_handle;
 538         __u32 recv_cq_handle;
 539         __u32 srq_handle;
 540         __u32 max_send_wr;
 541         __u32 max_recv_wr;
 542         __u32 max_send_sge;
 543         __u32 max_recv_sge;
 544         __u32 max_inline_data;
 545         __u8  sq_sig_all;
 546         __u8  qp_type;
 547         __u8  is_srq;
 548         __u8 reserved;
 549         __u32 comp_mask;
 550         __u32 create_flags;
 551         __u32 rwq_ind_tbl_handle;
 552         __u32  reserved1;
 553 };
 554
 555 struct ib_uverbs_open_qp {
 556         __u64 response;
 557         __u64 user_handle;
 558         __u32 pd_handle;
 559         __u32 qpn;
 560         __u8  qp_type;
 561         __u8  reserved[7];
 562         __u64 driver_data[0];
 563 };
 564
 565 /* also used for open response */
 566 struct ib_uverbs_create_qp_resp {
 567         __u32 qp_handle;
 568         __u32 qpn;
 569         __u32 max_send_wr;
 570         __u32 max_recv_wr;
 571         __u32 max_send_sge;
 572         __u32 max_recv_sge;
 573         __u32 max_inline_data;
 574         __u32 reserved;
 575 };
 576
 577 struct ib_uverbs_ex_create_qp_resp {
 578         struct ib_uverbs_create_qp_resp base;
 579         __u32 comp_mask;
 580         __u32 response_length;
 581 };
 582
 583 /*
 584  * This struct needs to remain a multiple of 8 bytes to keep the
 585  * alignment of the modify QP parameters.
 586  */
 587 struct ib_uverbs_qp_dest {
 588         __u8  dgid[16];
 589         __u32 flow_label;
 590         __u16 dlid;
 591         __u16 reserved;
 592         __u8  sgid_index;
 593         __u8  hop_limit;
 594         __u8  traffic_class;
 595         __u8  sl;
 596         __u8  src_path_bits;
 597         __u8  static_rate;
 598         __u8  is_global;
 599         __u8  port_num;
 600 };
 601
 602 struct ib_uverbs_query_qp {
 603         __u64 response;
 604         __u32 qp_handle;
 605         __u32 attr_mask;
 606         __u64 driver_data[0];
 607 };
 608
 609 struct ib_uverbs_query_qp_resp {
 610         struct ib_uverbs_qp_dest dest;
 611         struct ib_uverbs_qp_dest alt_dest;
 612         __u32 max_send_wr;
 613         __u32 max_recv_wr;
 614         __u32 max_send_sge;
 615         __u32 max_recv_sge;
 616         __u32 max_inline_data;
 617         __u32 qkey;
 618         __u32 rq_psn;
 619         __u32 sq_psn;
 620         __u32 dest_qp_num;
 621         __u32 qp_access_flags;
 622         __u16 pkey_index;
 623         __u16 alt_pkey_index;
 624         __u8  qp_state;
 625         __u8  cur_qp_state;
 626         __u8  path_mtu;
 627         __u8  path_mig_state;
 628         __u8  sq_draining;
 629         __u8  max_rd_atomic;
 630         __u8  max_dest_rd_atomic;
 631         __u8  min_rnr_timer;
 632         __u8  port_num;
 633         __u8  timeout;
 634         __u8  retry_cnt;
 635         __u8  rnr_retry;
 636         __u8  alt_port_num;
 637         __u8  alt_timeout;
 638         __u8  sq_sig_all;
 639         __u8  reserved[5];
 640         __u64 driver_data[0];
 641 };
 642
 643 struct ib_uverbs_modify_qp {
 644         struct ib_uverbs_qp_dest dest;
 645         struct ib_uverbs_qp_dest alt_dest;
 646         __u32 qp_handle;
 647         __u32 attr_mask;
 648         __u32 qkey;
 649         __u32 rq_psn;
 650         __u32 sq_psn;
 651         __u32 dest_qp_num;
 652         __u32 qp_access_flags;
 653         __u16 pkey_index;
 654         __u16 alt_pkey_index;
 655         __u8  qp_state;
 656         __u8  cur_qp_state;
 657         __u8  path_mtu;
 658         __u8  path_mig_state;
 659         __u8  en_sqd_async_notify;
 660         __u8  max_rd_atomic;
 661         __u8  max_dest_rd_atomic;
 662         __u8  min_rnr_timer;
 663         __u8  port_num;
 664         __u8  timeout;
 665         __u8  retry_cnt;
 666         __u8  rnr_retry;
 667         __u8  alt_port_num;
 668         __u8  alt_timeout;
 669         __u8  reserved[2];
 670         __u64 driver_data[0];
 671 };
 672
 673 struct ib_uverbs_modify_qp_resp {
 674 };
 675
 676 struct ib_uverbs_destroy_qp {
 677         __u64 response;
 678         __u32 qp_handle;
 679         __u32 reserved;
 680 };
 681
 682 struct ib_uverbs_destroy_qp_resp {
 683         __u32 events_reported;
 684 };
 685
 686 /*
 687  * The ib_uverbs_sge structure isn't used anywhere, since we assume
 688  * the ib_sge structure is packed the same way on 32-bit and 64-bit
 689  * architectures in both kernel and user space.  It's just here to
 690  * document the ABI.
 691  */
 692 struct ib_uverbs_sge {
 693         __u64 addr;
 694         __u32 length;
 695         __u32 lkey;
 696 };
 697
 698 struct ib_uverbs_send_wr {
 699         __u64 wr_id;
 700         __u32 num_sge;
 701         __u32 opcode;
 702         __u32 send_flags;
 703         union {
 704                 __u32 imm_data;
 705                 __u32 invalidate_rkey;
 706         } ex;
 707         union {
 708                 struct {
 709                         __u64 remote_addr;
 710                         __u32 rkey;
 711                         __u32 reserved;
 712                 } rdma;
 713                 struct {
 714                         __u64 remote_addr;
 715                         __u64 compare_add;
 716                         __u64 swap;
 717                         __u32 rkey;
 718                         __u32 reserved;
 719                 } atomic;
 720                 struct {
 721                         __u32 ah;
 722                         __u32 remote_qpn;
 723                         __u32 remote_qkey;
 724                         __u32 reserved;
 725                 } ud;
 726         } wr;
 727 };
 728
 729 struct ib_uverbs_post_send {
 730         __u64 response;
 731         __u32 qp_handle;
 732         __u32 wr_count;
 733         __u32 sge_count;
 734         __u32 wqe_size;
 735         struct ib_uverbs_send_wr send_wr[0];
 736 };
 737
 738 struct ib_uverbs_post_send_resp {
 739         __u32 bad_wr;
 740 };
 741
 742 struct ib_uverbs_recv_wr {
 743         __u64 wr_id;
 744         __u32 num_sge;
 745         __u32 reserved;
 746 };
 747
 748 struct ib_uverbs_post_recv {
 749         __u64 response;
 750         __u32 qp_handle;
 751         __u32 wr_count;
 752         __u32 sge_count;
 753         __u32 wqe_size;
 754         struct ib_uverbs_recv_wr recv_wr[0];
 755 };
 756
 757 struct ib_uverbs_post_recv_resp {
 758         __u32 bad_wr;
 759 };
 760
 761 struct ib_uverbs_post_srq_recv {
 762         __u64 response;
 763         __u32 srq_handle;
 764         __u32 wr_count;
 765         __u32 sge_count;
 766         __u32 wqe_size;
 767         struct ib_uverbs_recv_wr recv[0];
 768 };
 769
 770 struct ib_uverbs_post_srq_recv_resp {
 771         __u32 bad_wr;
 772 };
 773
 774 struct ib_uverbs_create_ah {
 775         __u64 response;
 776         __u64 user_handle;
 777         __u32 pd_handle;
 778         __u32 reserved;
 779         struct ib_uverbs_ah_attr attr;
 780 };
 781
 782 struct ib_uverbs_create_ah_resp {
 783         __u32 ah_handle;
 784 };
 785
 786 struct ib_uverbs_destroy_ah {
 787         __u32 ah_handle;
 788 };
 789
 790 struct ib_uverbs_attach_mcast {
 791         __u8  gid[16];
 792         __u32 qp_handle;
 793         __u16 mlid;
 794         __u16 reserved;
 795         __u64 driver_data[0];
 796 };
 797
 798 struct ib_uverbs_detach_mcast {
 799         __u8  gid[16];
 800         __u32 qp_handle;
 801         __u16 mlid;
 802         __u16 reserved;
 803         __u64 driver_data[0];
 804 };
 805
 806 struct ib_uverbs_flow_spec_hdr {
 807         __u32 type;
 808         __u16 size;
 809         __u16 reserved;
 810         /* followed by flow_spec */
 811         __u64 flow_spec_data[0];
 812 };
 813
 814 struct ib_uverbs_flow_eth_filter {
 815         __u8  dst_mac[6];
 816         __u8  src_mac[6];
 817         __be16 ether_type;
 818         __be16 vlan_tag;
 819 };
 820
 821 struct ib_uverbs_flow_spec_eth {
 822         union {
 823                 struct ib_uverbs_flow_spec_hdr hdr;
 824                 struct {
 825                         __u32 type;
 826                         __u16 size;
 827                         __u16 reserved;
 828                 };
 829         };
 830         struct ib_uverbs_flow_eth_filter val;
 831         struct ib_uverbs_flow_eth_filter mask;
 832 };
 833
 834 struct ib_uverbs_flow_ipv4_filter {
 835         __be32 src_ip;
 836         __be32 dst_ip;
 837 };
 838
 839 struct ib_uverbs_flow_spec_ipv4 {
 840         union {
 841                 struct ib_uverbs_flow_spec_hdr hdr;
 842                 struct {
 843                         __u32 type;
 844                         __u16 size;
 845                         __u16 reserved;
 846                 };
 847         };
 848         struct ib_uverbs_flow_ipv4_filter val;
 849         struct ib_uverbs_flow_ipv4_filter mask;
 850 };
 851
 852 struct ib_uverbs_flow_tcp_udp_filter {
 853         __be16 dst_port;
 854         __be16 src_port;
 855 };
 856
 857 struct ib_uverbs_flow_spec_tcp_udp {
 858         union {
 859                 struct ib_uverbs_flow_spec_hdr hdr;
 860                 struct {
 861                         __u32 type;
 862                         __u16 size;
 863                         __u16 reserved;
 864                 };
 865         };
 866         struct ib_uverbs_flow_tcp_udp_filter val;
 867         struct ib_uverbs_flow_tcp_udp_filter mask;
 868 };
 869
 870 struct ib_uverbs_flow_ipv6_filter {
 871         __u8 src_ip[16];
 872         __u8 dst_ip[16];
 873 };
 874
 875 struct ib_uverbs_flow_spec_ipv6 {
 876         union {
 877                 struct ib_uverbs_flow_spec_hdr hdr;
 878                 struct {
 879                         __u32 type;
 880                         __u16 size;
 881                         __u16 reserved;
 882                 };
 883         };
 884         struct ib_uverbs_flow_ipv6_filter val;
 885         struct ib_uverbs_flow_ipv6_filter mask;
 886 };
 887
 888 struct ib_uverbs_flow_attr {
 889         __u32 type;
 890         __u16 size;
 891         __u16 priority;
 892         __u8  num_of_specs;
 893         __u8  reserved[2];
 894         __u8  port;
 895         __u32 flags;
 896         /* Following are the optional layers according to user request
 897          * struct ib_flow_spec_xxx
 898          * struct ib_flow_spec_yyy
 899          */
 900         struct ib_uverbs_flow_spec_hdr flow_specs[0];
 901 };
 902
 903 struct ib_uverbs_create_flow  {
 904         __u32 comp_mask;
 905         __u32 qp_handle;
 906         struct ib_uverbs_flow_attr flow_attr;
 907 };
 908
 909 struct ib_uverbs_create_flow_resp {
 910         __u32 comp_mask;
 911         __u32 flow_handle;
 912 };
 913
 914 struct ib_uverbs_destroy_flow  {
 915         __u32 comp_mask;
 916         __u32 flow_handle;
 917 };
 918
 919 struct ib_uverbs_create_srq {
 920         __u64 response;
 921         __u64 user_handle;
 922         __u32 pd_handle;
 923         __u32 max_wr;
 924         __u32 max_sge;
 925         __u32 srq_limit;
 926         __u64 driver_data[0];
 927 };
 928
 929 struct ib_uverbs_create_xsrq {
 930         __u64 response;
 931         __u64 user_handle;
 932         __u32 srq_type;
 933         __u32 pd_handle;
 934         __u32 max_wr;
 935         __u32 max_sge;
 936         __u32 srq_limit;
 937         __u32 reserved;
 938         __u32 xrcd_handle;
 939         __u32 cq_handle;
 940         __u64 driver_data[0];
 941 };
 942
 943 struct ib_uverbs_create_srq_resp {
 944         __u32 srq_handle;
 945         __u32 max_wr;
 946         __u32 max_sge;
 947         __u32 srqn;
 948 };
 949
 950 struct ib_uverbs_modify_srq {
 951         __u32 srq_handle;
 952         __u32 attr_mask;
 953         __u32 max_wr;
 954         __u32 srq_limit;
 955         __u64 driver_data[0];
 956 };
 957
 958 struct ib_uverbs_query_srq {
 959         __u64 response;
 960         __u32 srq_handle;
 961         __u32 reserved;
 962         __u64 driver_data[0];
 963 };
 964
 965 struct ib_uverbs_query_srq_resp {
 966         __u32 max_wr;
 967         __u32 max_sge;
 968         __u32 srq_limit;
 969         __u32 reserved;
 970 };
 971
 972 struct ib_uverbs_destroy_srq {
 973         __u64 response;
 974         __u32 srq_handle;
 975         __u32 reserved;
 976 };
 977
 978 struct ib_uverbs_destroy_srq_resp {
 979         __u32 events_reported;
 980 };
 981
 982 struct ib_uverbs_ex_create_wq  {
 983         __u32 comp_mask;
 984         __u32 wq_type;
 985         __u64 user_handle;
 986         __u32 pd_handle;
 987         __u32 cq_handle;
 988         __u32 max_wr;
 989         __u32 max_sge;
 990 };
 991
 992 struct ib_uverbs_ex_create_wq_resp {
 993         __u32 comp_mask;
 994         __u32 response_length;
 995         __u32 wq_handle;
 996         __u32 max_wr;
 997         __u32 max_sge;
 998         __u32 wqn;
 999 };
1000
1001 struct ib_uverbs_ex_destroy_wq  {
1002         __u32 comp_mask;
1003         __u32 wq_handle;
1004 };
1005
1006 struct ib_uverbs_ex_destroy_wq_resp {
1007         __u32 comp_mask;
1008         __u32 response_length;
1009         __u32 events_reported;
1010         __u32 reserved;
1011 };
1012
1013 struct ib_uverbs_ex_modify_wq  {
1014         __u32 attr_mask;
1015         __u32 wq_handle;
1016         __u32 wq_state;
1017         __u32 curr_wq_state;
1018 };
1019
1020 /* Prevent memory allocation rather than max expected size */
1021 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d
1022 struct ib_uverbs_ex_create_rwq_ind_table  {
1023         __u32 comp_mask;
1024         __u32 log_ind_tbl_size;
1025         /* Following are the wq handles according to log_ind_tbl_size
1026          * wq_handle1
1027          * wq_handle2
1028          */
1029         __u32 wq_handles[0];
1030 };
1031
1032 struct ib_uverbs_ex_create_rwq_ind_table_resp {
1033         __u32 comp_mask;
1034         __u32 response_length;
1035         __u32 ind_tbl_handle;
1036         __u32 ind_tbl_num;
1037 };
1038
1039 struct ib_uverbs_ex_destroy_rwq_ind_table  {
1040         __u32 comp_mask;
1041         __u32 ind_tbl_handle;
1042 };
1043
1044 #endif /* IB_USER_VERBS_H */