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