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_MODIFY_QP = IB_USER_VERBS_CMD_MODIFY_QP,
  97         IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
  98         IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
  99         IB_USER_VERBS_EX_CMD_CREATE_WQ,
 100         IB_USER_VERBS_EX_CMD_MODIFY_WQ,
 101         IB_USER_VERBS_EX_CMD_DESTROY_WQ,
 102         IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL,
 103         IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL
 104 };
 105
 106 /*
 107  * Make sure that all structs defined in this file remain laid out so
 108  * that they pack the same way on 32-bit and 64-bit architectures (to
 109  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 110  * Specifically:
 111  *  - Do not use pointer types -- pass pointers in __u64 instead.
 112  *  - Make sure that any structure larger than 4 bytes is padded to a
 113  *    multiple of 8 bytes.  Otherwise the structure size will be
 114  *    different between 32-bit and 64-bit architectures.
 115  */
 116
 117 struct ib_uverbs_async_event_desc {
 118         __u64 element;
 119         __u32 event_type;       /* enum ib_event_type */
 120         __u32 reserved;
 121 };
 122
 123 struct ib_uverbs_comp_event_desc {
 124         __u64 cq_handle;
 125 };
 126
 127 /*
 128  * All commands from userspace should start with a __u32 command field
 129  * followed by __u16 in_words and out_words fields (which give the
 130  * length of the command block and response buffer if any in 32-bit
 131  * words).  The kernel driver will read these fields first and read
 132  * the rest of the command struct based on these value.
 133  */
 134
 135 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff
 136 #define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u
 137 #define IB_USER_VERBS_CMD_FLAGS_SHIFT 24
 138
 139 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80
 140
 141 struct ib_uverbs_cmd_hdr {
 142         __u32 command;
 143         __u16 in_words;
 144         __u16 out_words;
 145 };
 146
 147 struct ib_uverbs_ex_cmd_hdr {
 148         __u64 response;
 149         __u16 provider_in_words;
 150         __u16 provider_out_words;
 151         __u32 cmd_hdr_reserved;
 152 };
 153
 154 struct ib_uverbs_get_context {
 155         __u64 response;
 156         __u64 driver_data[0];
 157 };
 158
 159 struct ib_uverbs_get_context_resp {
 160         __u32 async_fd;
 161         __u32 num_comp_vectors;
 162 };
 163
 164 struct ib_uverbs_query_device {
 165         __u64 response;
 166         __u64 driver_data[0];
 167 };
 168
 169 struct ib_uverbs_query_device_resp {
 170         __u64 fw_ver;
 171         __be64 node_guid;
 172         __be64 sys_image_guid;
 173         __u64 max_mr_size;
 174         __u64 page_size_cap;
 175         __u32 vendor_id;
 176         __u32 vendor_part_id;
 177         __u32 hw_ver;
 178         __u32 max_qp;
 179         __u32 max_qp_wr;
 180         __u32 device_cap_flags;
 181         __u32 max_sge;
 182         __u32 max_sge_rd;
 183         __u32 max_cq;
 184         __u32 max_cqe;
 185         __u32 max_mr;
 186         __u32 max_pd;
 187         __u32 max_qp_rd_atom;
 188         __u32 max_ee_rd_atom;
 189         __u32 max_res_rd_atom;
 190         __u32 max_qp_init_rd_atom;
 191         __u32 max_ee_init_rd_atom;
 192         __u32 atomic_cap;
 193         __u32 max_ee;
 194         __u32 max_rdd;
 195         __u32 max_mw;
 196         __u32 max_raw_ipv6_qp;
 197         __u32 max_raw_ethy_qp;
 198         __u32 max_mcast_grp;
 199         __u32 max_mcast_qp_attach;
 200         __u32 max_total_mcast_qp_attach;
 201         __u32 max_ah;
 202         __u32 max_fmr;
 203         __u32 max_map_per_fmr;
 204         __u32 max_srq;
 205         __u32 max_srq_wr;
 206         __u32 max_srq_sge;
 207         __u16 max_pkeys;
 208         __u8  local_ca_ack_delay;
 209         __u8  phys_port_cnt;
 210         __u8  reserved[4];
 211 };
 212
 213 struct ib_uverbs_ex_query_device {
 214         __u32 comp_mask;
 215         __u32 reserved;
 216 };
 217
 218 struct ib_uverbs_odp_caps {
 219         __u64 general_caps;
 220         struct {
 221                 __u32 rc_odp_caps;
 222                 __u32 uc_odp_caps;
 223                 __u32 ud_odp_caps;
 224         } per_transport_caps;
 225         __u32 reserved;
 226 };
 227
 228 struct ib_uverbs_rss_caps {
 229         /* Corresponding bit will be set if qp type from
 230          * 'enum ib_qp_type' is supported, e.g.
 231          * supported_qpts |= 1 << IB_QPT_UD
 232          */
 233         __u32 supported_qpts;
 234         __u32 max_rwq_indirection_tables;
 235         __u32 max_rwq_indirection_table_size;
 236         __u32 reserved;
 237 };
 238
 239 struct ib_uverbs_ex_query_device_resp {
 240         struct ib_uverbs_query_device_resp base;
 241         __u32 comp_mask;
 242         __u32 response_length;
 243         struct ib_uverbs_odp_caps odp_caps;
 244         __u64 timestamp_mask;
 245         __u64 hca_core_clock; /* in KHZ */
 246         __u64 device_cap_flags_ex;
 247         struct ib_uverbs_rss_caps rss_caps;
 248         __u32  max_wq_type_rq;
 249         __u32 raw_packet_caps;
 250 };
 251
 252 struct ib_uverbs_query_port {
 253         __u64 response;
 254         __u8  port_num;
 255         __u8  reserved[7];
 256         __u64 driver_data[0];
 257 };
 258
 259 struct ib_uverbs_query_port_resp {
 260         __u32 port_cap_flags;
 261         __u32 max_msg_sz;
 262         __u32 bad_pkey_cntr;
 263         __u32 qkey_viol_cntr;
 264         __u32 gid_tbl_len;
 265         __u16 pkey_tbl_len;
 266         __u16 lid;
 267         __u16 sm_lid;
 268         __u8  state;
 269         __u8  max_mtu;
 270         __u8  active_mtu;
 271         __u8  lmc;
 272         __u8  max_vl_num;
 273         __u8  sm_sl;
 274         __u8  subnet_timeout;
 275         __u8  init_type_reply;
 276         __u8  active_width;
 277         __u8  active_speed;
 278         __u8  phys_state;
 279         __u8  link_layer;
 280         __u8  reserved[2];
 281 };
 282
 283 struct ib_uverbs_alloc_pd {
 284         __u64 response;
 285         __u64 driver_data[0];
 286 };
 287
 288 struct ib_uverbs_alloc_pd_resp {
 289         __u32 pd_handle;
 290 };
 291
 292 struct ib_uverbs_dealloc_pd {
 293         __u32 pd_handle;
 294 };
 295
 296 struct ib_uverbs_open_xrcd {
 297         __u64 response;
 298         __u32 fd;
 299         __u32 oflags;
 300         __u64 driver_data[0];
 301 };
 302
 303 struct ib_uverbs_open_xrcd_resp {
 304         __u32 xrcd_handle;
 305 };
 306
 307 struct ib_uverbs_close_xrcd {
 308         __u32 xrcd_handle;
 309 };
 310
 311 struct ib_uverbs_reg_mr {
 312         __u64 response;
 313         __u64 start;
 314         __u64 length;
 315         __u64 hca_va;
 316         __u32 pd_handle;
 317         __u32 access_flags;
 318         __u64 driver_data[0];
 319 };
 320
 321 struct ib_uverbs_reg_mr_resp {
 322         __u32 mr_handle;
 323         __u32 lkey;
 324         __u32 rkey;
 325 };
 326
 327 struct ib_uverbs_rereg_mr {
 328         __u64 response;
 329         __u32 mr_handle;
 330         __u32 flags;
 331         __u64 start;
 332         __u64 length;
 333         __u64 hca_va;
 334         __u32 pd_handle;
 335         __u32 access_flags;
 336 };
 337
 338 struct ib_uverbs_rereg_mr_resp {
 339         __u32 lkey;
 340         __u32 rkey;
 341 };
 342
 343 struct ib_uverbs_dereg_mr {
 344         __u32 mr_handle;
 345 };
 346
 347 struct ib_uverbs_alloc_mw {
 348         __u64 response;
 349         __u32 pd_handle;
 350         __u8  mw_type;
 351         __u8  reserved[3];
 352 };
 353
 354 struct ib_uverbs_alloc_mw_resp {
 355         __u32 mw_handle;
 356         __u32 rkey;
 357 };
 358
 359 struct ib_uverbs_dealloc_mw {
 360         __u32 mw_handle;
 361 };
 362
 363 struct ib_uverbs_create_comp_channel {
 364         __u64 response;
 365 };
 366
 367 struct ib_uverbs_create_comp_channel_resp {
 368         __u32 fd;
 369 };
 370
 371 struct ib_uverbs_create_cq {
 372         __u64 response;
 373         __u64 user_handle;
 374         __u32 cqe;
 375         __u32 comp_vector;
 376         __s32 comp_channel;
 377         __u32 reserved;
 378         __u64 driver_data[0];
 379 };
 380
 381 struct ib_uverbs_ex_create_cq {
 382         __u64 user_handle;
 383         __u32 cqe;
 384         __u32 comp_vector;
 385         __s32 comp_channel;
 386         __u32 comp_mask;
 387         __u32 flags;
 388         __u32 reserved;
 389 };
 390
 391 struct ib_uverbs_create_cq_resp {
 392         __u32 cq_handle;
 393         __u32 cqe;
 394 };
 395
 396 struct ib_uverbs_ex_create_cq_resp {
 397         struct ib_uverbs_create_cq_resp base;
 398         __u32 comp_mask;
 399         __u32 response_length;
 400 };
 401
 402 struct ib_uverbs_resize_cq {
 403         __u64 response;
 404         __u32 cq_handle;
 405         __u32 cqe;
 406         __u64 driver_data[0];
 407 };
 408
 409 struct ib_uverbs_resize_cq_resp {
 410         __u32 cqe;
 411         __u32 reserved;
 412         __u64 driver_data[0];
 413 };
 414
 415 struct ib_uverbs_poll_cq {
 416         __u64 response;
 417         __u32 cq_handle;
 418         __u32 ne;
 419 };
 420
 421 struct ib_uverbs_wc {
 422         __u64 wr_id;
 423         __u32 status;
 424         __u32 opcode;
 425         __u32 vendor_err;
 426         __u32 byte_len;
 427         union {
 428                 __u32 imm_data;
 429                 __u32 invalidate_rkey;
 430         } ex;
 431         __u32 qp_num;
 432         __u32 src_qp;
 433         __u32 wc_flags;
 434         __u16 pkey_index;
 435         __u16 slid;
 436         __u8 sl;
 437         __u8 dlid_path_bits;
 438         __u8 port_num;
 439         __u8 reserved;
 440 };
 441
 442 struct ib_uverbs_poll_cq_resp {
 443         __u32 count;
 444         __u32 reserved;
 445         struct ib_uverbs_wc wc[0];
 446 };
 447
 448 struct ib_uverbs_req_notify_cq {
 449         __u32 cq_handle;
 450         __u32 solicited_only;
 451 };
 452
 453 struct ib_uverbs_destroy_cq {
 454         __u64 response;
 455         __u32 cq_handle;
 456         __u32 reserved;
 457 };
 458
 459 struct ib_uverbs_destroy_cq_resp {
 460         __u32 comp_events_reported;
 461         __u32 async_events_reported;
 462 };
 463
 464 struct ib_uverbs_global_route {
 465         __u8  dgid[16];
 466         __u32 flow_label;
 467         __u8  sgid_index;
 468         __u8  hop_limit;
 469         __u8  traffic_class;
 470         __u8  reserved;
 471 };
 472
 473 struct ib_uverbs_ah_attr {
 474         struct ib_uverbs_global_route grh;
 475         __u16 dlid;
 476         __u8  sl;
 477         __u8  src_path_bits;
 478         __u8  static_rate;
 479         __u8  is_global;
 480         __u8  port_num;
 481         __u8  reserved;
 482 };
 483
 484 struct ib_uverbs_qp_attr {
 485         __u32   qp_attr_mask;
 486         __u32   qp_state;
 487         __u32   cur_qp_state;
 488         __u32   path_mtu;
 489         __u32   path_mig_state;
 490         __u32   qkey;
 491         __u32   rq_psn;
 492         __u32   sq_psn;
 493         __u32   dest_qp_num;
 494         __u32   qp_access_flags;
 495
 496         struct ib_uverbs_ah_attr ah_attr;
 497         struct ib_uverbs_ah_attr alt_ah_attr;
 498
 499         /* ib_qp_cap */
 500         __u32   max_send_wr;
 501         __u32   max_recv_wr;
 502         __u32   max_send_sge;
 503         __u32   max_recv_sge;
 504         __u32   max_inline_data;
 505
 506         __u16   pkey_index;
 507         __u16   alt_pkey_index;
 508         __u8    en_sqd_async_notify;
 509         __u8    sq_draining;
 510         __u8    max_rd_atomic;
 511         __u8    max_dest_rd_atomic;
 512         __u8    min_rnr_timer;
 513         __u8    port_num;
 514         __u8    timeout;
 515         __u8    retry_cnt;
 516         __u8    rnr_retry;
 517         __u8    alt_port_num;
 518         __u8    alt_timeout;
 519         __u8    reserved[5];
 520 };
 521
 522 struct ib_uverbs_create_qp {
 523         __u64 response;
 524         __u64 user_handle;
 525         __u32 pd_handle;
 526         __u32 send_cq_handle;
 527         __u32 recv_cq_handle;
 528         __u32 srq_handle;
 529         __u32 max_send_wr;
 530         __u32 max_recv_wr;
 531         __u32 max_send_sge;
 532         __u32 max_recv_sge;
 533         __u32 max_inline_data;
 534         __u8  sq_sig_all;
 535         __u8  qp_type;
 536         __u8  is_srq;
 537         __u8  reserved;
 538         __u64 driver_data[0];
 539 };
 540
 541 enum ib_uverbs_create_qp_mask {
 542         IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0,
 543 };
 544
 545 enum {
 546         IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE,
 547 };
 548
 549 enum {
 550         /*
 551          * This value is equal to IB_QP_DEST_QPN.
 552          */
 553         IB_USER_LEGACY_LAST_QP_ATTR_MASK = 1ULL << 20,
 554 };
 555
 556 enum {
 557         /*
 558          * This value is equal to IB_QP_RATE_LIMIT.
 559          */
 560         IB_USER_LAST_QP_ATTR_MASK = 1ULL << 25,
 561 };
 562
 563 struct ib_uverbs_ex_create_qp {
 564         __u64 user_handle;
 565         __u32 pd_handle;
 566         __u32 send_cq_handle;
 567         __u32 recv_cq_handle;
 568         __u32 srq_handle;
 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         __u8  sq_sig_all;
 575         __u8  qp_type;
 576         __u8  is_srq;
 577         __u8 reserved;
 578         __u32 comp_mask;
 579         __u32 create_flags;
 580         __u32 rwq_ind_tbl_handle;
 581         __u32  reserved1;
 582 };
 583
 584 struct ib_uverbs_open_qp {
 585         __u64 response;
 586         __u64 user_handle;
 587         __u32 pd_handle;
 588         __u32 qpn;
 589         __u8  qp_type;
 590         __u8  reserved[7];
 591         __u64 driver_data[0];
 592 };
 593
 594 /* also used for open response */
 595 struct ib_uverbs_create_qp_resp {
 596         __u32 qp_handle;
 597         __u32 qpn;
 598         __u32 max_send_wr;
 599         __u32 max_recv_wr;
 600         __u32 max_send_sge;
 601         __u32 max_recv_sge;
 602         __u32 max_inline_data;
 603         __u32 reserved;
 604 };
 605
 606 struct ib_uverbs_ex_create_qp_resp {
 607         struct ib_uverbs_create_qp_resp base;
 608         __u32 comp_mask;
 609         __u32 response_length;
 610 };
 611
 612 /*
 613  * This struct needs to remain a multiple of 8 bytes to keep the
 614  * alignment of the modify QP parameters.
 615  */
 616 struct ib_uverbs_qp_dest {
 617         __u8  dgid[16];
 618         __u32 flow_label;
 619         __u16 dlid;
 620         __u16 reserved;
 621         __u8  sgid_index;
 622         __u8  hop_limit;
 623         __u8  traffic_class;
 624         __u8  sl;
 625         __u8  src_path_bits;
 626         __u8  static_rate;
 627         __u8  is_global;
 628         __u8  port_num;
 629 };
 630
 631 struct ib_uverbs_query_qp {
 632         __u64 response;
 633         __u32 qp_handle;
 634         __u32 attr_mask;
 635         __u64 driver_data[0];
 636 };
 637
 638 struct ib_uverbs_query_qp_resp {
 639         struct ib_uverbs_qp_dest dest;
 640         struct ib_uverbs_qp_dest alt_dest;
 641         __u32 max_send_wr;
 642         __u32 max_recv_wr;
 643         __u32 max_send_sge;
 644         __u32 max_recv_sge;
 645         __u32 max_inline_data;
 646         __u32 qkey;
 647         __u32 rq_psn;
 648         __u32 sq_psn;
 649         __u32 dest_qp_num;
 650         __u32 qp_access_flags;
 651         __u16 pkey_index;
 652         __u16 alt_pkey_index;
 653         __u8  qp_state;
 654         __u8  cur_qp_state;
 655         __u8  path_mtu;
 656         __u8  path_mig_state;
 657         __u8  sq_draining;
 658         __u8  max_rd_atomic;
 659         __u8  max_dest_rd_atomic;
 660         __u8  min_rnr_timer;
 661         __u8  port_num;
 662         __u8  timeout;
 663         __u8  retry_cnt;
 664         __u8  rnr_retry;
 665         __u8  alt_port_num;
 666         __u8  alt_timeout;
 667         __u8  sq_sig_all;
 668         __u8  reserved[5];
 669         __u64 driver_data[0];
 670 };
 671
 672 struct ib_uverbs_modify_qp {
 673         struct ib_uverbs_qp_dest dest;
 674         struct ib_uverbs_qp_dest alt_dest;
 675         __u32 qp_handle;
 676         __u32 attr_mask;
 677         __u32 qkey;
 678         __u32 rq_psn;
 679         __u32 sq_psn;
 680         __u32 dest_qp_num;
 681         __u32 qp_access_flags;
 682         __u16 pkey_index;
 683         __u16 alt_pkey_index;
 684         __u8  qp_state;
 685         __u8  cur_qp_state;
 686         __u8  path_mtu;
 687         __u8  path_mig_state;
 688         __u8  en_sqd_async_notify;
 689         __u8  max_rd_atomic;
 690         __u8  max_dest_rd_atomic;
 691         __u8  min_rnr_timer;
 692         __u8  port_num;
 693         __u8  timeout;
 694         __u8  retry_cnt;
 695         __u8  rnr_retry;
 696         __u8  alt_port_num;
 697         __u8  alt_timeout;
 698         __u8  reserved[2];
 699         __u64 driver_data[0];
 700 };
 701
 702 struct ib_uverbs_ex_modify_qp {
 703         struct ib_uverbs_modify_qp base;
 704         __u32   rate_limit;
 705         __u32   reserved;
 706 };
 707
 708 struct ib_uverbs_modify_qp_resp {
 709 };
 710
 711 struct ib_uverbs_ex_modify_qp_resp {
 712         __u32  comp_mask;
 713         __u32  response_length;
 714 };
 715
 716 struct ib_uverbs_destroy_qp {
 717         __u64 response;
 718         __u32 qp_handle;
 719         __u32 reserved;
 720 };
 721
 722 struct ib_uverbs_destroy_qp_resp {
 723         __u32 events_reported;
 724 };
 725
 726 /*
 727  * The ib_uverbs_sge structure isn't used anywhere, since we assume
 728  * the ib_sge structure is packed the same way on 32-bit and 64-bit
 729  * architectures in both kernel and user space.  It's just here to
 730  * document the ABI.
 731  */
 732 struct ib_uverbs_sge {
 733         __u64 addr;
 734         __u32 length;
 735         __u32 lkey;
 736 };
 737
 738 struct ib_uverbs_send_wr {
 739         __u64 wr_id;
 740         __u32 num_sge;
 741         __u32 opcode;
 742         __u32 send_flags;
 743         union {
 744                 __u32 imm_data;
 745                 __u32 invalidate_rkey;
 746         } ex;
 747         union {
 748                 struct {
 749                         __u64 remote_addr;
 750                         __u32 rkey;
 751                         __u32 reserved;
 752                 } rdma;
 753                 struct {
 754                         __u64 remote_addr;
 755                         __u64 compare_add;
 756                         __u64 swap;
 757                         __u32 rkey;
 758                         __u32 reserved;
 759                 } atomic;
 760                 struct {
 761                         __u32 ah;
 762                         __u32 remote_qpn;
 763                         __u32 remote_qkey;
 764                         __u32 reserved;
 765                 } ud;
 766         } wr;
 767 };
 768
 769 struct ib_uverbs_post_send {
 770         __u64 response;
 771         __u32 qp_handle;
 772         __u32 wr_count;
 773         __u32 sge_count;
 774         __u32 wqe_size;
 775         struct ib_uverbs_send_wr send_wr[0];
 776 };
 777
 778 struct ib_uverbs_post_send_resp {
 779         __u32 bad_wr;
 780 };
 781
 782 struct ib_uverbs_recv_wr {
 783         __u64 wr_id;
 784         __u32 num_sge;
 785         __u32 reserved;
 786 };
 787
 788 struct ib_uverbs_post_recv {
 789         __u64 response;
 790         __u32 qp_handle;
 791         __u32 wr_count;
 792         __u32 sge_count;
 793         __u32 wqe_size;
 794         struct ib_uverbs_recv_wr recv_wr[0];
 795 };
 796
 797 struct ib_uverbs_post_recv_resp {
 798         __u32 bad_wr;
 799 };
 800
 801 struct ib_uverbs_post_srq_recv {
 802         __u64 response;
 803         __u32 srq_handle;
 804         __u32 wr_count;
 805         __u32 sge_count;
 806         __u32 wqe_size;
 807         struct ib_uverbs_recv_wr recv[0];
 808 };
 809
 810 struct ib_uverbs_post_srq_recv_resp {
 811         __u32 bad_wr;
 812 };
 813
 814 struct ib_uverbs_create_ah {
 815         __u64 response;
 816         __u64 user_handle;
 817         __u32 pd_handle;
 818         __u32 reserved;
 819         struct ib_uverbs_ah_attr attr;
 820 };
 821
 822 struct ib_uverbs_create_ah_resp {
 823         __u32 ah_handle;
 824 };
 825
 826 struct ib_uverbs_destroy_ah {
 827         __u32 ah_handle;
 828 };
 829
 830 struct ib_uverbs_attach_mcast {
 831         __u8  gid[16];
 832         __u32 qp_handle;
 833         __u16 mlid;
 834         __u16 reserved;
 835         __u64 driver_data[0];
 836 };
 837
 838 struct ib_uverbs_detach_mcast {
 839         __u8  gid[16];
 840         __u32 qp_handle;
 841         __u16 mlid;
 842         __u16 reserved;
 843         __u64 driver_data[0];
 844 };
 845
 846 struct ib_uverbs_flow_spec_hdr {
 847         __u32 type;
 848         __u16 size;
 849         __u16 reserved;
 850         /* followed by flow_spec */
 851         __u64 flow_spec_data[0];
 852 };
 853
 854 struct ib_uverbs_flow_eth_filter {
 855         __u8  dst_mac[6];
 856         __u8  src_mac[6];
 857         __be16 ether_type;
 858         __be16 vlan_tag;
 859 };
 860
 861 struct ib_uverbs_flow_spec_eth {
 862         union {
 863                 struct ib_uverbs_flow_spec_hdr hdr;
 864                 struct {
 865                         __u32 type;
 866                         __u16 size;
 867                         __u16 reserved;
 868                 };
 869         };
 870         struct ib_uverbs_flow_eth_filter val;
 871         struct ib_uverbs_flow_eth_filter mask;
 872 };
 873
 874 struct ib_uverbs_flow_ipv4_filter {
 875         __be32 src_ip;
 876         __be32 dst_ip;
 877         __u8    proto;
 878         __u8    tos;
 879         __u8    ttl;
 880         __u8    flags;
 881 };
 882
 883 struct ib_uverbs_flow_spec_ipv4 {
 884         union {
 885                 struct ib_uverbs_flow_spec_hdr hdr;
 886                 struct {
 887                         __u32 type;
 888                         __u16 size;
 889                         __u16 reserved;
 890                 };
 891         };
 892         struct ib_uverbs_flow_ipv4_filter val;
 893         struct ib_uverbs_flow_ipv4_filter mask;
 894 };
 895
 896 struct ib_uverbs_flow_tcp_udp_filter {
 897         __be16 dst_port;
 898         __be16 src_port;
 899 };
 900
 901 struct ib_uverbs_flow_spec_tcp_udp {
 902         union {
 903                 struct ib_uverbs_flow_spec_hdr hdr;
 904                 struct {
 905                         __u32 type;
 906                         __u16 size;
 907                         __u16 reserved;
 908                 };
 909         };
 910         struct ib_uverbs_flow_tcp_udp_filter val;
 911         struct ib_uverbs_flow_tcp_udp_filter mask;
 912 };
 913
 914 struct ib_uverbs_flow_ipv6_filter {
 915         __u8    src_ip[16];
 916         __u8    dst_ip[16];
 917         __be32  flow_label;
 918         __u8    next_hdr;
 919         __u8    traffic_class;
 920         __u8    hop_limit;
 921         __u8    reserved;
 922 };
 923
 924 struct ib_uverbs_flow_spec_ipv6 {
 925         union {
 926                 struct ib_uverbs_flow_spec_hdr hdr;
 927                 struct {
 928                         __u32 type;
 929                         __u16 size;
 930                         __u16 reserved;
 931                 };
 932         };
 933         struct ib_uverbs_flow_ipv6_filter val;
 934         struct ib_uverbs_flow_ipv6_filter mask;
 935 };
 936
 937 struct ib_uverbs_flow_spec_action_tag {
 938         union {
 939                 struct ib_uverbs_flow_spec_hdr hdr;
 940                 struct {
 941                         __u32 type;
 942                         __u16 size;
 943                         __u16 reserved;
 944                 };
 945         };
 946         __u32                         tag_id;
 947         __u32                         reserved1;
 948 };
 949
 950 struct ib_uverbs_flow_tunnel_filter {
 951         __be32 tunnel_id;
 952 };
 953
 954 struct ib_uverbs_flow_spec_tunnel {
 955         union {
 956                 struct ib_uverbs_flow_spec_hdr hdr;
 957                 struct {
 958                         __u32 type;
 959                         __u16 size;
 960                         __u16 reserved;
 961                 };
 962         };
 963         struct ib_uverbs_flow_tunnel_filter val;
 964         struct ib_uverbs_flow_tunnel_filter mask;
 965 };
 966
 967 struct ib_uverbs_flow_attr {
 968         __u32 type;
 969         __u16 size;
 970         __u16 priority;
 971         __u8  num_of_specs;
 972         __u8  reserved[2];
 973         __u8  port;
 974         __u32 flags;
 975         /* Following are the optional layers according to user request
 976          * struct ib_flow_spec_xxx
 977          * struct ib_flow_spec_yyy
 978          */
 979         struct ib_uverbs_flow_spec_hdr flow_specs[0];
 980 };
 981
 982 struct ib_uverbs_create_flow  {
 983         __u32 comp_mask;
 984         __u32 qp_handle;
 985         struct ib_uverbs_flow_attr flow_attr;
 986 };
 987
 988 struct ib_uverbs_create_flow_resp {
 989         __u32 comp_mask;
 990         __u32 flow_handle;
 991 };
 992
 993 struct ib_uverbs_destroy_flow  {
 994         __u32 comp_mask;
 995         __u32 flow_handle;
 996 };
 997
 998 struct ib_uverbs_create_srq {
 999         __u64 response;
1000         __u64 user_handle;
1001         __u32 pd_handle;
1002         __u32 max_wr;
1003         __u32 max_sge;
1004         __u32 srq_limit;
1005         __u64 driver_data[0];
1006 };
1007
1008 struct ib_uverbs_create_xsrq {
1009         __u64 response;
1010         __u64 user_handle;
1011         __u32 srq_type;
1012         __u32 pd_handle;
1013         __u32 max_wr;
1014         __u32 max_sge;
1015         __u32 srq_limit;
1016         __u32 reserved;
1017         __u32 xrcd_handle;
1018         __u32 cq_handle;
1019         __u64 driver_data[0];
1020 };
1021
1022 struct ib_uverbs_create_srq_resp {
1023         __u32 srq_handle;
1024         __u32 max_wr;
1025         __u32 max_sge;
1026         __u32 srqn;
1027 };
1028
1029 struct ib_uverbs_modify_srq {
1030         __u32 srq_handle;
1031         __u32 attr_mask;
1032         __u32 max_wr;
1033         __u32 srq_limit;
1034         __u64 driver_data[0];
1035 };
1036
1037 struct ib_uverbs_query_srq {
1038         __u64 response;
1039         __u32 srq_handle;
1040         __u32 reserved;
1041         __u64 driver_data[0];
1042 };
1043
1044 struct ib_uverbs_query_srq_resp {
1045         __u32 max_wr;
1046         __u32 max_sge;
1047         __u32 srq_limit;
1048         __u32 reserved;
1049 };
1050
1051 struct ib_uverbs_destroy_srq {
1052         __u64 response;
1053         __u32 srq_handle;
1054         __u32 reserved;
1055 };
1056
1057 struct ib_uverbs_destroy_srq_resp {
1058         __u32 events_reported;
1059 };
1060
1061 struct ib_uverbs_ex_create_wq  {
1062         __u32 comp_mask;
1063         __u32 wq_type;
1064         __u64 user_handle;
1065         __u32 pd_handle;
1066         __u32 cq_handle;
1067         __u32 max_wr;
1068         __u32 max_sge;
1069         __u32 create_flags; /* Use enum ib_wq_flags */
1070         __u32 reserved;
1071 };
1072
1073 struct ib_uverbs_ex_create_wq_resp {
1074         __u32 comp_mask;
1075         __u32 response_length;
1076         __u32 wq_handle;
1077         __u32 max_wr;
1078         __u32 max_sge;
1079         __u32 wqn;
1080 };
1081
1082 struct ib_uverbs_ex_destroy_wq  {
1083         __u32 comp_mask;
1084         __u32 wq_handle;
1085 };
1086
1087 struct ib_uverbs_ex_destroy_wq_resp {
1088         __u32 comp_mask;
1089         __u32 response_length;
1090         __u32 events_reported;
1091         __u32 reserved;
1092 };
1093
1094 struct ib_uverbs_ex_modify_wq  {
1095         __u32 attr_mask;
1096         __u32 wq_handle;
1097         __u32 wq_state;
1098         __u32 curr_wq_state;
1099         __u32 flags; /* Use enum ib_wq_flags */
1100         __u32 flags_mask; /* Use enum ib_wq_flags */
1101 };
1102
1103 /* Prevent memory allocation rather than max expected size */
1104 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d
1105 struct ib_uverbs_ex_create_rwq_ind_table  {
1106         __u32 comp_mask;
1107         __u32 log_ind_tbl_size;
1108         /* Following are the wq handles according to log_ind_tbl_size
1109          * wq_handle1
1110          * wq_handle2
1111          */
1112         __u32 wq_handles[0];
1113 };
1114
1115 struct ib_uverbs_ex_create_rwq_ind_table_resp {
1116         __u32 comp_mask;
1117         __u32 response_length;
1118         __u32 ind_tbl_handle;
1119         __u32 ind_tbl_num;
1120 };
1121
1122 struct ib_uverbs_ex_destroy_rwq_ind_table  {
1123         __u32 comp_mask;
1124         __u32 ind_tbl_handle;
1125 };
1126
1127 #endif /* IB_USER_VERBS_H */