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 #ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING
  91         IB_USER_VERBS_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
  92         IB_USER_VERBS_CMD_DESTROY_FLOW
  93 #endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */
  94 };
  95
  96 /*
  97  * Make sure that all structs defined in this file remain laid out so
  98  * that they pack the same way on 32-bit and 64-bit architectures (to
  99  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 100  * Specifically:
 101  *  - Do not use pointer types -- pass pointers in __u64 instead.
 102  *  - Make sure that any structure larger than 4 bytes is padded to a
 103  *    multiple of 8 bytes.  Otherwise the structure size will be
 104  *    different between 32-bit and 64-bit architectures.
 105  */
 106
 107 struct ib_uverbs_async_event_desc {
 108         __u64 element;
 109         __u32 event_type;       /* enum ib_event_type */
 110         __u32 reserved;
 111 };
 112
 113 struct ib_uverbs_comp_event_desc {
 114         __u64 cq_handle;
 115 };
 116
 117 /*
 118  * All commands from userspace should start with a __u32 command field
 119  * followed by __u16 in_words and out_words fields (which give the
 120  * length of the command block and response buffer if any in 32-bit
 121  * words).  The kernel driver will read these fields first and read
 122  * the rest of the command struct based on these value.
 123  */
 124
 125 struct ib_uverbs_cmd_hdr {
 126         __u32 command;
 127         __u16 in_words;
 128         __u16 out_words;
 129 };
 130
 131 #ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING
 132 struct ib_uverbs_cmd_hdr_ex {
 133         __u32 command;
 134         __u16 in_words;
 135         __u16 out_words;
 136         __u16 provider_in_words;
 137         __u16 provider_out_words;
 138         __u32 cmd_hdr_reserved;
 139 };
 140 #endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */
 141
 142 struct ib_uverbs_get_context {
 143         __u64 response;
 144         __u64 driver_data[0];
 145 };
 146
 147 struct ib_uverbs_get_context_resp {
 148         __u32 async_fd;
 149         __u32 num_comp_vectors;
 150 };
 151
 152 struct ib_uverbs_query_device {
 153         __u64 response;
 154         __u64 driver_data[0];
 155 };
 156
 157 struct ib_uverbs_query_device_resp {
 158         __u64 fw_ver;
 159         __be64 node_guid;
 160         __be64 sys_image_guid;
 161         __u64 max_mr_size;
 162         __u64 page_size_cap;
 163         __u32 vendor_id;
 164         __u32 vendor_part_id;
 165         __u32 hw_ver;
 166         __u32 max_qp;
 167         __u32 max_qp_wr;
 168         __u32 device_cap_flags;
 169         __u32 max_sge;
 170         __u32 max_sge_rd;
 171         __u32 max_cq;
 172         __u32 max_cqe;
 173         __u32 max_mr;
 174         __u32 max_pd;
 175         __u32 max_qp_rd_atom;
 176         __u32 max_ee_rd_atom;
 177         __u32 max_res_rd_atom;
 178         __u32 max_qp_init_rd_atom;
 179         __u32 max_ee_init_rd_atom;
 180         __u32 atomic_cap;
 181         __u32 max_ee;
 182         __u32 max_rdd;
 183         __u32 max_mw;
 184         __u32 max_raw_ipv6_qp;
 185         __u32 max_raw_ethy_qp;
 186         __u32 max_mcast_grp;
 187         __u32 max_mcast_qp_attach;
 188         __u32 max_total_mcast_qp_attach;
 189         __u32 max_ah;
 190         __u32 max_fmr;
 191         __u32 max_map_per_fmr;
 192         __u32 max_srq;
 193         __u32 max_srq_wr;
 194         __u32 max_srq_sge;
 195         __u16 max_pkeys;
 196         __u8  local_ca_ack_delay;
 197         __u8  phys_port_cnt;
 198         __u8  reserved[4];
 199 };
 200
 201 struct ib_uverbs_query_port {
 202         __u64 response;
 203         __u8  port_num;
 204         __u8  reserved[7];
 205         __u64 driver_data[0];
 206 };
 207
 208 struct ib_uverbs_query_port_resp {
 209         __u32 port_cap_flags;
 210         __u32 max_msg_sz;
 211         __u32 bad_pkey_cntr;
 212         __u32 qkey_viol_cntr;
 213         __u32 gid_tbl_len;
 214         __u16 pkey_tbl_len;
 215         __u16 lid;
 216         __u16 sm_lid;
 217         __u8  state;
 218         __u8  max_mtu;
 219         __u8  active_mtu;
 220         __u8  lmc;
 221         __u8  max_vl_num;
 222         __u8  sm_sl;
 223         __u8  subnet_timeout;
 224         __u8  init_type_reply;
 225         __u8  active_width;
 226         __u8  active_speed;
 227         __u8  phys_state;
 228         __u8  link_layer;
 229         __u8  reserved[2];
 230 };
 231
 232 struct ib_uverbs_alloc_pd {
 233         __u64 response;
 234         __u64 driver_data[0];
 235 };
 236
 237 struct ib_uverbs_alloc_pd_resp {
 238         __u32 pd_handle;
 239 };
 240
 241 struct ib_uverbs_dealloc_pd {
 242         __u32 pd_handle;
 243 };
 244
 245 struct ib_uverbs_open_xrcd {
 246         __u64 response;
 247         __u32 fd;
 248         __u32 oflags;
 249         __u64 driver_data[0];
 250 };
 251
 252 struct ib_uverbs_open_xrcd_resp {
 253         __u32 xrcd_handle;
 254 };
 255
 256 struct ib_uverbs_close_xrcd {
 257         __u32 xrcd_handle;
 258 };
 259
 260 struct ib_uverbs_reg_mr {
 261         __u64 response;
 262         __u64 start;
 263         __u64 length;
 264         __u64 hca_va;
 265         __u32 pd_handle;
 266         __u32 access_flags;
 267         __u64 driver_data[0];
 268 };
 269
 270 struct ib_uverbs_reg_mr_resp {
 271         __u32 mr_handle;
 272         __u32 lkey;
 273         __u32 rkey;
 274 };
 275
 276 struct ib_uverbs_dereg_mr {
 277         __u32 mr_handle;
 278 };
 279
 280 struct ib_uverbs_alloc_mw {
 281         __u64 response;
 282         __u32 pd_handle;
 283         __u8  mw_type;
 284         __u8  reserved[3];
 285 };
 286
 287 struct ib_uverbs_alloc_mw_resp {
 288         __u32 mw_handle;
 289         __u32 rkey;
 290 };
 291
 292 struct ib_uverbs_dealloc_mw {
 293         __u32 mw_handle;
 294 };
 295
 296 struct ib_uverbs_create_comp_channel {
 297         __u64 response;
 298 };
 299
 300 struct ib_uverbs_create_comp_channel_resp {
 301         __u32 fd;
 302 };
 303
 304 struct ib_uverbs_create_cq {
 305         __u64 response;
 306         __u64 user_handle;
 307         __u32 cqe;
 308         __u32 comp_vector;
 309         __s32 comp_channel;
 310         __u32 reserved;
 311         __u64 driver_data[0];
 312 };
 313
 314 struct ib_uverbs_create_cq_resp {
 315         __u32 cq_handle;
 316         __u32 cqe;
 317 };
 318
 319 struct ib_uverbs_resize_cq {
 320         __u64 response;
 321         __u32 cq_handle;
 322         __u32 cqe;
 323         __u64 driver_data[0];
 324 };
 325
 326 struct ib_uverbs_resize_cq_resp {
 327         __u32 cqe;
 328         __u32 reserved;
 329         __u64 driver_data[0];
 330 };
 331
 332 struct ib_uverbs_poll_cq {
 333         __u64 response;
 334         __u32 cq_handle;
 335         __u32 ne;
 336 };
 337
 338 struct ib_uverbs_wc {
 339         __u64 wr_id;
 340         __u32 status;
 341         __u32 opcode;
 342         __u32 vendor_err;
 343         __u32 byte_len;
 344         union {
 345                 __u32 imm_data;
 346                 __u32 invalidate_rkey;
 347         } ex;
 348         __u32 qp_num;
 349         __u32 src_qp;
 350         __u32 wc_flags;
 351         __u16 pkey_index;
 352         __u16 slid;
 353         __u8 sl;
 354         __u8 dlid_path_bits;
 355         __u8 port_num;
 356         __u8 reserved;
 357 };
 358
 359 struct ib_uverbs_poll_cq_resp {
 360         __u32 count;
 361         __u32 reserved;
 362         struct ib_uverbs_wc wc[0];
 363 };
 364
 365 struct ib_uverbs_req_notify_cq {
 366         __u32 cq_handle;
 367         __u32 solicited_only;
 368 };
 369
 370 struct ib_uverbs_destroy_cq {
 371         __u64 response;
 372         __u32 cq_handle;
 373         __u32 reserved;
 374 };
 375
 376 struct ib_uverbs_destroy_cq_resp {
 377         __u32 comp_events_reported;
 378         __u32 async_events_reported;
 379 };
 380
 381 struct ib_uverbs_global_route {
 382         __u8  dgid[16];
 383         __u32 flow_label;
 384         __u8  sgid_index;
 385         __u8  hop_limit;
 386         __u8  traffic_class;
 387         __u8  reserved;
 388 };
 389
 390 struct ib_uverbs_ah_attr {
 391         struct ib_uverbs_global_route grh;
 392         __u16 dlid;
 393         __u8  sl;
 394         __u8  src_path_bits;
 395         __u8  static_rate;
 396         __u8  is_global;
 397         __u8  port_num;
 398         __u8  reserved;
 399 };
 400
 401 struct ib_uverbs_qp_attr {
 402         __u32   qp_attr_mask;
 403         __u32   qp_state;
 404         __u32   cur_qp_state;
 405         __u32   path_mtu;
 406         __u32   path_mig_state;
 407         __u32   qkey;
 408         __u32   rq_psn;
 409         __u32   sq_psn;
 410         __u32   dest_qp_num;
 411         __u32   qp_access_flags;
 412
 413         struct ib_uverbs_ah_attr ah_attr;
 414         struct ib_uverbs_ah_attr alt_ah_attr;
 415
 416         /* ib_qp_cap */
 417         __u32   max_send_wr;
 418         __u32   max_recv_wr;
 419         __u32   max_send_sge;
 420         __u32   max_recv_sge;
 421         __u32   max_inline_data;
 422
 423         __u16   pkey_index;
 424         __u16   alt_pkey_index;
 425         __u8    en_sqd_async_notify;
 426         __u8    sq_draining;
 427         __u8    max_rd_atomic;
 428         __u8    max_dest_rd_atomic;
 429         __u8    min_rnr_timer;
 430         __u8    port_num;
 431         __u8    timeout;
 432         __u8    retry_cnt;
 433         __u8    rnr_retry;
 434         __u8    alt_port_num;
 435         __u8    alt_timeout;
 436         __u8    reserved[5];
 437 };
 438
 439 struct ib_uverbs_create_qp {
 440         __u64 response;
 441         __u64 user_handle;
 442         __u32 pd_handle;
 443         __u32 send_cq_handle;
 444         __u32 recv_cq_handle;
 445         __u32 srq_handle;
 446         __u32 max_send_wr;
 447         __u32 max_recv_wr;
 448         __u32 max_send_sge;
 449         __u32 max_recv_sge;
 450         __u32 max_inline_data;
 451         __u8  sq_sig_all;
 452         __u8  qp_type;
 453         __u8  is_srq;
 454         __u8  reserved;
 455         __u64 driver_data[0];
 456 };
 457
 458 struct ib_uverbs_open_qp {
 459         __u64 response;
 460         __u64 user_handle;
 461         __u32 pd_handle;
 462         __u32 qpn;
 463         __u8  qp_type;
 464         __u8  reserved[7];
 465         __u64 driver_data[0];
 466 };
 467
 468 /* also used for open response */
 469 struct ib_uverbs_create_qp_resp {
 470         __u32 qp_handle;
 471         __u32 qpn;
 472         __u32 max_send_wr;
 473         __u32 max_recv_wr;
 474         __u32 max_send_sge;
 475         __u32 max_recv_sge;
 476         __u32 max_inline_data;
 477         __u32 reserved;
 478 };
 479
 480 /*
 481  * This struct needs to remain a multiple of 8 bytes to keep the
 482  * alignment of the modify QP parameters.
 483  */
 484 struct ib_uverbs_qp_dest {
 485         __u8  dgid[16];
 486         __u32 flow_label;
 487         __u16 dlid;
 488         __u16 reserved;
 489         __u8  sgid_index;
 490         __u8  hop_limit;
 491         __u8  traffic_class;
 492         __u8  sl;
 493         __u8  src_path_bits;
 494         __u8  static_rate;
 495         __u8  is_global;
 496         __u8  port_num;
 497 };
 498
 499 struct ib_uverbs_query_qp {
 500         __u64 response;
 501         __u32 qp_handle;
 502         __u32 attr_mask;
 503         __u64 driver_data[0];
 504 };
 505
 506 struct ib_uverbs_query_qp_resp {
 507         struct ib_uverbs_qp_dest dest;
 508         struct ib_uverbs_qp_dest alt_dest;
 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         __u32 qkey;
 515         __u32 rq_psn;
 516         __u32 sq_psn;
 517         __u32 dest_qp_num;
 518         __u32 qp_access_flags;
 519         __u16 pkey_index;
 520         __u16 alt_pkey_index;
 521         __u8  qp_state;
 522         __u8  cur_qp_state;
 523         __u8  path_mtu;
 524         __u8  path_mig_state;
 525         __u8  sq_draining;
 526         __u8  max_rd_atomic;
 527         __u8  max_dest_rd_atomic;
 528         __u8  min_rnr_timer;
 529         __u8  port_num;
 530         __u8  timeout;
 531         __u8  retry_cnt;
 532         __u8  rnr_retry;
 533         __u8  alt_port_num;
 534         __u8  alt_timeout;
 535         __u8  sq_sig_all;
 536         __u8  reserved[5];
 537         __u64 driver_data[0];
 538 };
 539
 540 struct ib_uverbs_modify_qp {
 541         struct ib_uverbs_qp_dest dest;
 542         struct ib_uverbs_qp_dest alt_dest;
 543         __u32 qp_handle;
 544         __u32 attr_mask;
 545         __u32 qkey;
 546         __u32 rq_psn;
 547         __u32 sq_psn;
 548         __u32 dest_qp_num;
 549         __u32 qp_access_flags;
 550         __u16 pkey_index;
 551         __u16 alt_pkey_index;
 552         __u8  qp_state;
 553         __u8  cur_qp_state;
 554         __u8  path_mtu;
 555         __u8  path_mig_state;
 556         __u8  en_sqd_async_notify;
 557         __u8  max_rd_atomic;
 558         __u8  max_dest_rd_atomic;
 559         __u8  min_rnr_timer;
 560         __u8  port_num;
 561         __u8  timeout;
 562         __u8  retry_cnt;
 563         __u8  rnr_retry;
 564         __u8  alt_port_num;
 565         __u8  alt_timeout;
 566         __u8  reserved[2];
 567         __u64 driver_data[0];
 568 };
 569
 570 struct ib_uverbs_modify_qp_resp {
 571 };
 572
 573 struct ib_uverbs_destroy_qp {
 574         __u64 response;
 575         __u32 qp_handle;
 576         __u32 reserved;
 577 };
 578
 579 struct ib_uverbs_destroy_qp_resp {
 580         __u32 events_reported;
 581 };
 582
 583 /*
 584  * The ib_uverbs_sge structure isn't used anywhere, since we assume
 585  * the ib_sge structure is packed the same way on 32-bit and 64-bit
 586  * architectures in both kernel and user space.  It's just here to
 587  * document the ABI.
 588  */
 589 struct ib_uverbs_sge {
 590         __u64 addr;
 591         __u32 length;
 592         __u32 lkey;
 593 };
 594
 595 struct ib_uverbs_send_wr {
 596         __u64 wr_id;
 597         __u32 num_sge;
 598         __u32 opcode;
 599         __u32 send_flags;
 600         union {
 601                 __u32 imm_data;
 602                 __u32 invalidate_rkey;
 603         } ex;
 604         union {
 605                 struct {
 606                         __u64 remote_addr;
 607                         __u32 rkey;
 608                         __u32 reserved;
 609                 } rdma;
 610                 struct {
 611                         __u64 remote_addr;
 612                         __u64 compare_add;
 613                         __u64 swap;
 614                         __u32 rkey;
 615                         __u32 reserved;
 616                 } atomic;
 617                 struct {
 618                         __u32 ah;
 619                         __u32 remote_qpn;
 620                         __u32 remote_qkey;
 621                         __u32 reserved;
 622                 } ud;
 623         } wr;
 624 };
 625
 626 struct ib_uverbs_post_send {
 627         __u64 response;
 628         __u32 qp_handle;
 629         __u32 wr_count;
 630         __u32 sge_count;
 631         __u32 wqe_size;
 632         struct ib_uverbs_send_wr send_wr[0];
 633 };
 634
 635 struct ib_uverbs_post_send_resp {
 636         __u32 bad_wr;
 637 };
 638
 639 struct ib_uverbs_recv_wr {
 640         __u64 wr_id;
 641         __u32 num_sge;
 642         __u32 reserved;
 643 };
 644
 645 struct ib_uverbs_post_recv {
 646         __u64 response;
 647         __u32 qp_handle;
 648         __u32 wr_count;
 649         __u32 sge_count;
 650         __u32 wqe_size;
 651         struct ib_uverbs_recv_wr recv_wr[0];
 652 };
 653
 654 struct ib_uverbs_post_recv_resp {
 655         __u32 bad_wr;
 656 };
 657
 658 struct ib_uverbs_post_srq_recv {
 659         __u64 response;
 660         __u32 srq_handle;
 661         __u32 wr_count;
 662         __u32 sge_count;
 663         __u32 wqe_size;
 664         struct ib_uverbs_recv_wr recv[0];
 665 };
 666
 667 struct ib_uverbs_post_srq_recv_resp {
 668         __u32 bad_wr;
 669 };
 670
 671 struct ib_uverbs_create_ah {
 672         __u64 response;
 673         __u64 user_handle;
 674         __u32 pd_handle;
 675         __u32 reserved;
 676         struct ib_uverbs_ah_attr attr;
 677 };
 678
 679 struct ib_uverbs_create_ah_resp {
 680         __u32 ah_handle;
 681 };
 682
 683 struct ib_uverbs_destroy_ah {
 684         __u32 ah_handle;
 685 };
 686
 687 struct ib_uverbs_attach_mcast {
 688         __u8  gid[16];
 689         __u32 qp_handle;
 690         __u16 mlid;
 691         __u16 reserved;
 692         __u64 driver_data[0];
 693 };
 694
 695 struct ib_uverbs_detach_mcast {
 696         __u8  gid[16];
 697         __u32 qp_handle;
 698         __u16 mlid;
 699         __u16 reserved;
 700         __u64 driver_data[0];
 701 };
 702
 703 #ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING
 704 struct ib_kern_eth_filter {
 705         __u8  dst_mac[6];
 706         __u8  src_mac[6];
 707         __be16 ether_type;
 708         __be16 vlan_tag;
 709 };
 710
 711 struct ib_kern_spec_eth {
 712         __u32  type;
 713         __u16  size;
 714         __u16  reserved;
 715         struct ib_kern_eth_filter val;
 716         struct ib_kern_eth_filter mask;
 717 };
 718
 719 struct ib_kern_ipv4_filter {
 720         __be32 src_ip;
 721         __be32 dst_ip;
 722 };
 723
 724 struct ib_kern_spec_ipv4 {
 725         __u32  type;
 726         __u16  size;
 727         __u16  reserved;
 728         struct ib_kern_ipv4_filter val;
 729         struct ib_kern_ipv4_filter mask;
 730 };
 731
 732 struct ib_kern_tcp_udp_filter {
 733         __be16 dst_port;
 734         __be16 src_port;
 735 };
 736
 737 struct ib_kern_spec_tcp_udp {
 738         __u32  type;
 739         __u16  size;
 740         __u16  reserved;
 741         struct ib_kern_tcp_udp_filter val;
 742         struct ib_kern_tcp_udp_filter mask;
 743 };
 744
 745 struct ib_kern_spec {
 746         union {
 747                 struct {
 748                         __u32 type;
 749                         __u16 size;
 750                         __u16 reserved;
 751                 };
 752                 struct ib_kern_spec_eth     eth;
 753                 struct ib_kern_spec_ipv4    ipv4;
 754                 struct ib_kern_spec_tcp_udp tcp_udp;
 755         };
 756 };
 757
 758 struct ib_kern_flow_attr {
 759         __u32 type;
 760         __u16 size;
 761         __u16 priority;
 762         __u8  num_of_specs;
 763         __u8  reserved[2];
 764         __u8  port;
 765         __u32 flags;
 766         /* Following are the optional layers according to user request
 767          * struct ib_flow_spec_xxx
 768          * struct ib_flow_spec_yyy
 769          */
 770 };
 771
 772 struct ib_uverbs_create_flow  {
 773         __u32 comp_mask;
 774         __u64 response;
 775         __u32 qp_handle;
 776         struct ib_kern_flow_attr flow_attr;
 777 };
 778
 779 struct ib_uverbs_create_flow_resp {
 780         __u32 comp_mask;
 781         __u32 flow_handle;
 782 };
 783
 784 struct ib_uverbs_destroy_flow  {
 785         __u32 comp_mask;
 786         __u32 flow_handle;
 787 };
 788 #endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */
 789
 790 struct ib_uverbs_create_srq {
 791         __u64 response;
 792         __u64 user_handle;
 793         __u32 pd_handle;
 794         __u32 max_wr;
 795         __u32 max_sge;
 796         __u32 srq_limit;
 797         __u64 driver_data[0];
 798 };
 799
 800 struct ib_uverbs_create_xsrq {
 801         __u64 response;
 802         __u64 user_handle;
 803         __u32 srq_type;
 804         __u32 pd_handle;
 805         __u32 max_wr;
 806         __u32 max_sge;
 807         __u32 srq_limit;
 808         __u32 reserved;
 809         __u32 xrcd_handle;
 810         __u32 cq_handle;
 811         __u64 driver_data[0];
 812 };
 813
 814 struct ib_uverbs_create_srq_resp {
 815         __u32 srq_handle;
 816         __u32 max_wr;
 817         __u32 max_sge;
 818         __u32 srqn;
 819 };
 820
 821 struct ib_uverbs_modify_srq {
 822         __u32 srq_handle;
 823         __u32 attr_mask;
 824         __u32 max_wr;
 825         __u32 srq_limit;
 826         __u64 driver_data[0];
 827 };
 828
 829 struct ib_uverbs_query_srq {
 830         __u64 response;
 831         __u32 srq_handle;
 832         __u32 reserved;
 833         __u64 driver_data[0];
 834 };
 835
 836 struct ib_uverbs_query_srq_resp {
 837         __u32 max_wr;
 838         __u32 max_sge;
 839         __u32 srq_limit;
 840         __u32 reserved;
 841 };
 842
 843 struct ib_uverbs_destroy_srq {
 844         __u64 response;
 845         __u32 srq_handle;
 846         __u32 reserved;
 847 };
 848
 849 struct ib_uverbs_destroy_srq_resp {
 850         __u32 events_reported;
 851 };
 852
 853 #endif /* IB_USER_VERBS_H */