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         __u64 device_cap_flags_ex;
 230 };
 231
 232 struct ib_uverbs_query_port {
 233         __u64 response;
 234         __u8  port_num;
 235         __u8  reserved[7];
 236         __u64 driver_data[0];
 237 };
 238
 239 struct ib_uverbs_query_port_resp {
 240         __u32 port_cap_flags;
 241         __u32 max_msg_sz;
 242         __u32 bad_pkey_cntr;
 243         __u32 qkey_viol_cntr;
 244         __u32 gid_tbl_len;
 245         __u16 pkey_tbl_len;
 246         __u16 lid;
 247         __u16 sm_lid;
 248         __u8  state;
 249         __u8  max_mtu;
 250         __u8  active_mtu;
 251         __u8  lmc;
 252         __u8  max_vl_num;
 253         __u8  sm_sl;
 254         __u8  subnet_timeout;
 255         __u8  init_type_reply;
 256         __u8  active_width;
 257         __u8  active_speed;
 258         __u8  phys_state;
 259         __u8  link_layer;
 260         __u8  reserved[2];
 261 };
 262
 263 struct ib_uverbs_alloc_pd {
 264         __u64 response;
 265         __u64 driver_data[0];
 266 };
 267
 268 struct ib_uverbs_alloc_pd_resp {
 269         __u32 pd_handle;
 270 };
 271
 272 struct ib_uverbs_dealloc_pd {
 273         __u32 pd_handle;
 274 };
 275
 276 struct ib_uverbs_open_xrcd {
 277         __u64 response;
 278         __u32 fd;
 279         __u32 oflags;
 280         __u64 driver_data[0];
 281 };
 282
 283 struct ib_uverbs_open_xrcd_resp {
 284         __u32 xrcd_handle;
 285 };
 286
 287 struct ib_uverbs_close_xrcd {
 288         __u32 xrcd_handle;
 289 };
 290
 291 struct ib_uverbs_reg_mr {
 292         __u64 response;
 293         __u64 start;
 294         __u64 length;
 295         __u64 hca_va;
 296         __u32 pd_handle;
 297         __u32 access_flags;
 298         __u64 driver_data[0];
 299 };
 300
 301 struct ib_uverbs_reg_mr_resp {
 302         __u32 mr_handle;
 303         __u32 lkey;
 304         __u32 rkey;
 305 };
 306
 307 struct ib_uverbs_rereg_mr {
 308         __u64 response;
 309         __u32 mr_handle;
 310         __u32 flags;
 311         __u64 start;
 312         __u64 length;
 313         __u64 hca_va;
 314         __u32 pd_handle;
 315         __u32 access_flags;
 316 };
 317
 318 struct ib_uverbs_rereg_mr_resp {
 319         __u32 lkey;
 320         __u32 rkey;
 321 };
 322
 323 struct ib_uverbs_dereg_mr {
 324         __u32 mr_handle;
 325 };
 326
 327 struct ib_uverbs_alloc_mw {
 328         __u64 response;
 329         __u32 pd_handle;
 330         __u8  mw_type;
 331         __u8  reserved[3];
 332 };
 333
 334 struct ib_uverbs_alloc_mw_resp {
 335         __u32 mw_handle;
 336         __u32 rkey;
 337 };
 338
 339 struct ib_uverbs_dealloc_mw {
 340         __u32 mw_handle;
 341 };
 342
 343 struct ib_uverbs_create_comp_channel {
 344         __u64 response;
 345 };
 346
 347 struct ib_uverbs_create_comp_channel_resp {
 348         __u32 fd;
 349 };
 350
 351 struct ib_uverbs_create_cq {
 352         __u64 response;
 353         __u64 user_handle;
 354         __u32 cqe;
 355         __u32 comp_vector;
 356         __s32 comp_channel;
 357         __u32 reserved;
 358         __u64 driver_data[0];
 359 };
 360
 361 struct ib_uverbs_ex_create_cq {
 362         __u64 user_handle;
 363         __u32 cqe;
 364         __u32 comp_vector;
 365         __s32 comp_channel;
 366         __u32 comp_mask;
 367         __u32 flags;
 368         __u32 reserved;
 369 };
 370
 371 struct ib_uverbs_create_cq_resp {
 372         __u32 cq_handle;
 373         __u32 cqe;
 374 };
 375
 376 struct ib_uverbs_ex_create_cq_resp {
 377         struct ib_uverbs_create_cq_resp base;
 378         __u32 comp_mask;
 379         __u32 response_length;
 380 };
 381
 382 struct ib_uverbs_resize_cq {
 383         __u64 response;
 384         __u32 cq_handle;
 385         __u32 cqe;
 386         __u64 driver_data[0];
 387 };
 388
 389 struct ib_uverbs_resize_cq_resp {
 390         __u32 cqe;
 391         __u32 reserved;
 392         __u64 driver_data[0];
 393 };
 394
 395 struct ib_uverbs_poll_cq {
 396         __u64 response;
 397         __u32 cq_handle;
 398         __u32 ne;
 399 };
 400
 401 struct ib_uverbs_wc {
 402         __u64 wr_id;
 403         __u32 status;
 404         __u32 opcode;
 405         __u32 vendor_err;
 406         __u32 byte_len;
 407         union {
 408                 __u32 imm_data;
 409                 __u32 invalidate_rkey;
 410         } ex;
 411         __u32 qp_num;
 412         __u32 src_qp;
 413         __u32 wc_flags;
 414         __u16 pkey_index;
 415         __u16 slid;
 416         __u8 sl;
 417         __u8 dlid_path_bits;
 418         __u8 port_num;
 419         __u8 reserved;
 420 };
 421
 422 struct ib_uverbs_poll_cq_resp {
 423         __u32 count;
 424         __u32 reserved;
 425         struct ib_uverbs_wc wc[0];
 426 };
 427
 428 struct ib_uverbs_req_notify_cq {
 429         __u32 cq_handle;
 430         __u32 solicited_only;
 431 };
 432
 433 struct ib_uverbs_destroy_cq {
 434         __u64 response;
 435         __u32 cq_handle;
 436         __u32 reserved;
 437 };
 438
 439 struct ib_uverbs_destroy_cq_resp {
 440         __u32 comp_events_reported;
 441         __u32 async_events_reported;
 442 };
 443
 444 struct ib_uverbs_global_route {
 445         __u8  dgid[16];
 446         __u32 flow_label;
 447         __u8  sgid_index;
 448         __u8  hop_limit;
 449         __u8  traffic_class;
 450         __u8  reserved;
 451 };
 452
 453 struct ib_uverbs_ah_attr {
 454         struct ib_uverbs_global_route grh;
 455         __u16 dlid;
 456         __u8  sl;
 457         __u8  src_path_bits;
 458         __u8  static_rate;
 459         __u8  is_global;
 460         __u8  port_num;
 461         __u8  reserved;
 462 };
 463
 464 struct ib_uverbs_qp_attr {
 465         __u32   qp_attr_mask;
 466         __u32   qp_state;
 467         __u32   cur_qp_state;
 468         __u32   path_mtu;
 469         __u32   path_mig_state;
 470         __u32   qkey;
 471         __u32   rq_psn;
 472         __u32   sq_psn;
 473         __u32   dest_qp_num;
 474         __u32   qp_access_flags;
 475
 476         struct ib_uverbs_ah_attr ah_attr;
 477         struct ib_uverbs_ah_attr alt_ah_attr;
 478
 479         /* ib_qp_cap */
 480         __u32   max_send_wr;
 481         __u32   max_recv_wr;
 482         __u32   max_send_sge;
 483         __u32   max_recv_sge;
 484         __u32   max_inline_data;
 485
 486         __u16   pkey_index;
 487         __u16   alt_pkey_index;
 488         __u8    en_sqd_async_notify;
 489         __u8    sq_draining;
 490         __u8    max_rd_atomic;
 491         __u8    max_dest_rd_atomic;
 492         __u8    min_rnr_timer;
 493         __u8    port_num;
 494         __u8    timeout;
 495         __u8    retry_cnt;
 496         __u8    rnr_retry;
 497         __u8    alt_port_num;
 498         __u8    alt_timeout;
 499         __u8    reserved[5];
 500 };
 501
 502 struct ib_uverbs_create_qp {
 503         __u64 response;
 504         __u64 user_handle;
 505         __u32 pd_handle;
 506         __u32 send_cq_handle;
 507         __u32 recv_cq_handle;
 508         __u32 srq_handle;
 509         __u32 max_send_wr;
 510         __u32 max_recv_wr;
 511         __u32 max_send_sge;
 512         __u32 max_recv_sge;
 513         __u32 max_inline_data;
 514         __u8  sq_sig_all;
 515         __u8  qp_type;
 516         __u8  is_srq;
 517         __u8  reserved;
 518         __u64 driver_data[0];
 519 };
 520
 521 struct ib_uverbs_ex_create_qp {
 522         __u64 user_handle;
 523         __u32 pd_handle;
 524         __u32 send_cq_handle;
 525         __u32 recv_cq_handle;
 526         __u32 srq_handle;
 527         __u32 max_send_wr;
 528         __u32 max_recv_wr;
 529         __u32 max_send_sge;
 530         __u32 max_recv_sge;
 531         __u32 max_inline_data;
 532         __u8  sq_sig_all;
 533         __u8  qp_type;
 534         __u8  is_srq;
 535         __u8 reserved;
 536         __u32 comp_mask;
 537         __u32 create_flags;
 538 };
 539
 540 struct ib_uverbs_open_qp {
 541         __u64 response;
 542         __u64 user_handle;
 543         __u32 pd_handle;
 544         __u32 qpn;
 545         __u8  qp_type;
 546         __u8  reserved[7];
 547         __u64 driver_data[0];
 548 };
 549
 550 /* also used for open response */
 551 struct ib_uverbs_create_qp_resp {
 552         __u32 qp_handle;
 553         __u32 qpn;
 554         __u32 max_send_wr;
 555         __u32 max_recv_wr;
 556         __u32 max_send_sge;
 557         __u32 max_recv_sge;
 558         __u32 max_inline_data;
 559         __u32 reserved;
 560 };
 561
 562 struct ib_uverbs_ex_create_qp_resp {
 563         struct ib_uverbs_create_qp_resp base;
 564         __u32 comp_mask;
 565         __u32 response_length;
 566 };
 567
 568 /*
 569  * This struct needs to remain a multiple of 8 bytes to keep the
 570  * alignment of the modify QP parameters.
 571  */
 572 struct ib_uverbs_qp_dest {
 573         __u8  dgid[16];
 574         __u32 flow_label;
 575         __u16 dlid;
 576         __u16 reserved;
 577         __u8  sgid_index;
 578         __u8  hop_limit;
 579         __u8  traffic_class;
 580         __u8  sl;
 581         __u8  src_path_bits;
 582         __u8  static_rate;
 583         __u8  is_global;
 584         __u8  port_num;
 585 };
 586
 587 struct ib_uverbs_query_qp {
 588         __u64 response;
 589         __u32 qp_handle;
 590         __u32 attr_mask;
 591         __u64 driver_data[0];
 592 };
 593
 594 struct ib_uverbs_query_qp_resp {
 595         struct ib_uverbs_qp_dest dest;
 596         struct ib_uverbs_qp_dest alt_dest;
 597         __u32 max_send_wr;
 598         __u32 max_recv_wr;
 599         __u32 max_send_sge;
 600         __u32 max_recv_sge;
 601         __u32 max_inline_data;
 602         __u32 qkey;
 603         __u32 rq_psn;
 604         __u32 sq_psn;
 605         __u32 dest_qp_num;
 606         __u32 qp_access_flags;
 607         __u16 pkey_index;
 608         __u16 alt_pkey_index;
 609         __u8  qp_state;
 610         __u8  cur_qp_state;
 611         __u8  path_mtu;
 612         __u8  path_mig_state;
 613         __u8  sq_draining;
 614         __u8  max_rd_atomic;
 615         __u8  max_dest_rd_atomic;
 616         __u8  min_rnr_timer;
 617         __u8  port_num;
 618         __u8  timeout;
 619         __u8  retry_cnt;
 620         __u8  rnr_retry;
 621         __u8  alt_port_num;
 622         __u8  alt_timeout;
 623         __u8  sq_sig_all;
 624         __u8  reserved[5];
 625         __u64 driver_data[0];
 626 };
 627
 628 struct ib_uverbs_modify_qp {
 629         struct ib_uverbs_qp_dest dest;
 630         struct ib_uverbs_qp_dest alt_dest;
 631         __u32 qp_handle;
 632         __u32 attr_mask;
 633         __u32 qkey;
 634         __u32 rq_psn;
 635         __u32 sq_psn;
 636         __u32 dest_qp_num;
 637         __u32 qp_access_flags;
 638         __u16 pkey_index;
 639         __u16 alt_pkey_index;
 640         __u8  qp_state;
 641         __u8  cur_qp_state;
 642         __u8  path_mtu;
 643         __u8  path_mig_state;
 644         __u8  en_sqd_async_notify;
 645         __u8  max_rd_atomic;
 646         __u8  max_dest_rd_atomic;
 647         __u8  min_rnr_timer;
 648         __u8  port_num;
 649         __u8  timeout;
 650         __u8  retry_cnt;
 651         __u8  rnr_retry;
 652         __u8  alt_port_num;
 653         __u8  alt_timeout;
 654         __u8  reserved[2];
 655         __u64 driver_data[0];
 656 };
 657
 658 struct ib_uverbs_modify_qp_resp {
 659 };
 660
 661 struct ib_uverbs_destroy_qp {
 662         __u64 response;
 663         __u32 qp_handle;
 664         __u32 reserved;
 665 };
 666
 667 struct ib_uverbs_destroy_qp_resp {
 668         __u32 events_reported;
 669 };
 670
 671 /*
 672  * The ib_uverbs_sge structure isn't used anywhere, since we assume
 673  * the ib_sge structure is packed the same way on 32-bit and 64-bit
 674  * architectures in both kernel and user space.  It's just here to
 675  * document the ABI.
 676  */
 677 struct ib_uverbs_sge {
 678         __u64 addr;
 679         __u32 length;
 680         __u32 lkey;
 681 };
 682
 683 struct ib_uverbs_send_wr {
 684         __u64 wr_id;
 685         __u32 num_sge;
 686         __u32 opcode;
 687         __u32 send_flags;
 688         union {
 689                 __u32 imm_data;
 690                 __u32 invalidate_rkey;
 691         } ex;
 692         union {
 693                 struct {
 694                         __u64 remote_addr;
 695                         __u32 rkey;
 696                         __u32 reserved;
 697                 } rdma;
 698                 struct {
 699                         __u64 remote_addr;
 700                         __u64 compare_add;
 701                         __u64 swap;
 702                         __u32 rkey;
 703                         __u32 reserved;
 704                 } atomic;
 705                 struct {
 706                         __u32 ah;
 707                         __u32 remote_qpn;
 708                         __u32 remote_qkey;
 709                         __u32 reserved;
 710                 } ud;
 711         } wr;
 712 };
 713
 714 struct ib_uverbs_post_send {
 715         __u64 response;
 716         __u32 qp_handle;
 717         __u32 wr_count;
 718         __u32 sge_count;
 719         __u32 wqe_size;
 720         struct ib_uverbs_send_wr send_wr[0];
 721 };
 722
 723 struct ib_uverbs_post_send_resp {
 724         __u32 bad_wr;
 725 };
 726
 727 struct ib_uverbs_recv_wr {
 728         __u64 wr_id;
 729         __u32 num_sge;
 730         __u32 reserved;
 731 };
 732
 733 struct ib_uverbs_post_recv {
 734         __u64 response;
 735         __u32 qp_handle;
 736         __u32 wr_count;
 737         __u32 sge_count;
 738         __u32 wqe_size;
 739         struct ib_uverbs_recv_wr recv_wr[0];
 740 };
 741
 742 struct ib_uverbs_post_recv_resp {
 743         __u32 bad_wr;
 744 };
 745
 746 struct ib_uverbs_post_srq_recv {
 747         __u64 response;
 748         __u32 srq_handle;
 749         __u32 wr_count;
 750         __u32 sge_count;
 751         __u32 wqe_size;
 752         struct ib_uverbs_recv_wr recv[0];
 753 };
 754
 755 struct ib_uverbs_post_srq_recv_resp {
 756         __u32 bad_wr;
 757 };
 758
 759 struct ib_uverbs_create_ah {
 760         __u64 response;
 761         __u64 user_handle;
 762         __u32 pd_handle;
 763         __u32 reserved;
 764         struct ib_uverbs_ah_attr attr;
 765 };
 766
 767 struct ib_uverbs_create_ah_resp {
 768         __u32 ah_handle;
 769 };
 770
 771 struct ib_uverbs_destroy_ah {
 772         __u32 ah_handle;
 773 };
 774
 775 struct ib_uverbs_attach_mcast {
 776         __u8  gid[16];
 777         __u32 qp_handle;
 778         __u16 mlid;
 779         __u16 reserved;
 780         __u64 driver_data[0];
 781 };
 782
 783 struct ib_uverbs_detach_mcast {
 784         __u8  gid[16];
 785         __u32 qp_handle;
 786         __u16 mlid;
 787         __u16 reserved;
 788         __u64 driver_data[0];
 789 };
 790
 791 struct ib_uverbs_flow_spec_hdr {
 792         __u32 type;
 793         __u16 size;
 794         __u16 reserved;
 795         /* followed by flow_spec */
 796         __u64 flow_spec_data[0];
 797 };
 798
 799 struct ib_uverbs_flow_eth_filter {
 800         __u8  dst_mac[6];
 801         __u8  src_mac[6];
 802         __be16 ether_type;
 803         __be16 vlan_tag;
 804 };
 805
 806 struct ib_uverbs_flow_spec_eth {
 807         union {
 808                 struct ib_uverbs_flow_spec_hdr hdr;
 809                 struct {
 810                         __u32 type;
 811                         __u16 size;
 812                         __u16 reserved;
 813                 };
 814         };
 815         struct ib_uverbs_flow_eth_filter val;
 816         struct ib_uverbs_flow_eth_filter mask;
 817 };
 818
 819 struct ib_uverbs_flow_ipv4_filter {
 820         __be32 src_ip;
 821         __be32 dst_ip;
 822 };
 823
 824 struct ib_uverbs_flow_spec_ipv4 {
 825         union {
 826                 struct ib_uverbs_flow_spec_hdr hdr;
 827                 struct {
 828                         __u32 type;
 829                         __u16 size;
 830                         __u16 reserved;
 831                 };
 832         };
 833         struct ib_uverbs_flow_ipv4_filter val;
 834         struct ib_uverbs_flow_ipv4_filter mask;
 835 };
 836
 837 struct ib_uverbs_flow_tcp_udp_filter {
 838         __be16 dst_port;
 839         __be16 src_port;
 840 };
 841
 842 struct ib_uverbs_flow_spec_tcp_udp {
 843         union {
 844                 struct ib_uverbs_flow_spec_hdr hdr;
 845                 struct {
 846                         __u32 type;
 847                         __u16 size;
 848                         __u16 reserved;
 849                 };
 850         };
 851         struct ib_uverbs_flow_tcp_udp_filter val;
 852         struct ib_uverbs_flow_tcp_udp_filter mask;
 853 };
 854
 855 struct ib_uverbs_flow_attr {
 856         __u32 type;
 857         __u16 size;
 858         __u16 priority;
 859         __u8  num_of_specs;
 860         __u8  reserved[2];
 861         __u8  port;
 862         __u32 flags;
 863         /* Following are the optional layers according to user request
 864          * struct ib_flow_spec_xxx
 865          * struct ib_flow_spec_yyy
 866          */
 867         struct ib_uverbs_flow_spec_hdr flow_specs[0];
 868 };
 869
 870 struct ib_uverbs_create_flow  {
 871         __u32 comp_mask;
 872         __u32 qp_handle;
 873         struct ib_uverbs_flow_attr flow_attr;
 874 };
 875
 876 struct ib_uverbs_create_flow_resp {
 877         __u32 comp_mask;
 878         __u32 flow_handle;
 879 };
 880
 881 struct ib_uverbs_destroy_flow  {
 882         __u32 comp_mask;
 883         __u32 flow_handle;
 884 };
 885
 886 struct ib_uverbs_create_srq {
 887         __u64 response;
 888         __u64 user_handle;
 889         __u32 pd_handle;
 890         __u32 max_wr;
 891         __u32 max_sge;
 892         __u32 srq_limit;
 893         __u64 driver_data[0];
 894 };
 895
 896 struct ib_uverbs_create_xsrq {
 897         __u64 response;
 898         __u64 user_handle;
 899         __u32 srq_type;
 900         __u32 pd_handle;
 901         __u32 max_wr;
 902         __u32 max_sge;
 903         __u32 srq_limit;
 904         __u32 reserved;
 905         __u32 xrcd_handle;
 906         __u32 cq_handle;
 907         __u64 driver_data[0];
 908 };
 909
 910 struct ib_uverbs_create_srq_resp {
 911         __u32 srq_handle;
 912         __u32 max_wr;
 913         __u32 max_sge;
 914         __u32 srqn;
 915 };
 916
 917 struct ib_uverbs_modify_srq {
 918         __u32 srq_handle;
 919         __u32 attr_mask;
 920         __u32 max_wr;
 921         __u32 srq_limit;
 922         __u64 driver_data[0];
 923 };
 924
 925 struct ib_uverbs_query_srq {
 926         __u64 response;
 927         __u32 srq_handle;
 928         __u32 reserved;
 929         __u64 driver_data[0];
 930 };
 931
 932 struct ib_uverbs_query_srq_resp {
 933         __u32 max_wr;
 934         __u32 max_sge;
 935         __u32 srq_limit;
 936         __u32 reserved;
 937 };
 938
 939 struct ib_uverbs_destroy_srq {
 940         __u64 response;
 941         __u32 srq_handle;
 942         __u32 reserved;
 943 };
 944
 945 struct ib_uverbs_destroy_srq_resp {
 946         __u32 events_reported;
 947 };
 948
 949 #endif /* IB_USER_VERBS_H */