include/uapi/rdma/ib_user_verbs.h

   1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
   2 /*
   3  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
   4  * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
   5  * Copyright (c) 2005 PathScale, Inc.  All rights reserved.
   6  * Copyright (c) 2006 Mellanox Technologies.  All rights reserved.
   7  *
   8  * This software is available to you under a choice of one of two
   9  * licenses.  You may choose to be licensed under the terms of the GNU
  10  * General Public License (GPL) Version 2, available from the file
  11  * COPYING in the main directory of this source tree, or the
  12  * OpenIB.org BSD license below:
  13  *
  14  *     Redistribution and use in source and binary forms, with or
  15  *     without modification, are permitted provided that the following
  16  *     conditions are met:
  17  *
  18  *      - Redistributions of source code must retain the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer.
  21  *
  22  *      - Redistributions in binary form must reproduce the above
  23  *        copyright notice, this list of conditions and the following
  24  *        disclaimer in the documentation and/or other materials
  25  *        provided with the distribution.
  26  *
  27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  31  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  32  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  33  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  34  * SOFTWARE.
  35  */
  36
  37 #ifndef IB_USER_VERBS_H
  38 #define IB_USER_VERBS_H
  39
  40 #include <linux/types.h>
  41
  42 /*
  43  * Increment this value if any changes that break userspace ABI
  44  * compatibility are made.
  45  */
  46 #define IB_USER_VERBS_ABI_VERSION       6
  47 #define IB_USER_VERBS_CMD_THRESHOLD    50
  48
  49 enum {
  50         IB_USER_VERBS_CMD_GET_CONTEXT,
  51         IB_USER_VERBS_CMD_QUERY_DEVICE,
  52         IB_USER_VERBS_CMD_QUERY_PORT,
  53         IB_USER_VERBS_CMD_ALLOC_PD,
  54         IB_USER_VERBS_CMD_DEALLOC_PD,
  55         IB_USER_VERBS_CMD_CREATE_AH,
  56         IB_USER_VERBS_CMD_MODIFY_AH,
  57         IB_USER_VERBS_CMD_QUERY_AH,
  58         IB_USER_VERBS_CMD_DESTROY_AH,
  59         IB_USER_VERBS_CMD_REG_MR,
  60         IB_USER_VERBS_CMD_REG_SMR,
  61         IB_USER_VERBS_CMD_REREG_MR,
  62         IB_USER_VERBS_CMD_QUERY_MR,
  63         IB_USER_VERBS_CMD_DEREG_MR,
  64         IB_USER_VERBS_CMD_ALLOC_MW,
  65         IB_USER_VERBS_CMD_BIND_MW,
  66         IB_USER_VERBS_CMD_DEALLOC_MW,
  67         IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
  68         IB_USER_VERBS_CMD_CREATE_CQ,
  69         IB_USER_VERBS_CMD_RESIZE_CQ,
  70         IB_USER_VERBS_CMD_DESTROY_CQ,
  71         IB_USER_VERBS_CMD_POLL_CQ,
  72         IB_USER_VERBS_CMD_PEEK_CQ,
  73         IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
  74         IB_USER_VERBS_CMD_CREATE_QP,
  75         IB_USER_VERBS_CMD_QUERY_QP,
  76         IB_USER_VERBS_CMD_MODIFY_QP,
  77         IB_USER_VERBS_CMD_DESTROY_QP,
  78         IB_USER_VERBS_CMD_POST_SEND,
  79         IB_USER_VERBS_CMD_POST_RECV,
  80         IB_USER_VERBS_CMD_ATTACH_MCAST,
  81         IB_USER_VERBS_CMD_DETACH_MCAST,
  82         IB_USER_VERBS_CMD_CREATE_SRQ,
  83         IB_USER_VERBS_CMD_MODIFY_SRQ,
  84         IB_USER_VERBS_CMD_QUERY_SRQ,
  85         IB_USER_VERBS_CMD_DESTROY_SRQ,
  86         IB_USER_VERBS_CMD_POST_SRQ_RECV,
  87         IB_USER_VERBS_CMD_OPEN_XRCD,
  88         IB_USER_VERBS_CMD_CLOSE_XRCD,
  89         IB_USER_VERBS_CMD_CREATE_XSRQ,
  90         IB_USER_VERBS_CMD_OPEN_QP,
  91 };
  92
  93 enum {
  94         IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE,
  95         IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ,
  96         IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP,
  97         IB_USER_VERBS_EX_CMD_MODIFY_QP = IB_USER_VERBS_CMD_MODIFY_QP,
  98         IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
  99         IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
 100         IB_USER_VERBS_EX_CMD_CREATE_WQ,
 101         IB_USER_VERBS_EX_CMD_MODIFY_WQ,
 102         IB_USER_VERBS_EX_CMD_DESTROY_WQ,
 103         IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL,
 104         IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL,
 105         IB_USER_VERBS_EX_CMD_MODIFY_CQ
 106 };
 107
 108 /*
 109  * Make sure that all structs defined in this file remain laid out so
 110  * that they pack the same way on 32-bit and 64-bit architectures (to
 111  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 112  * Specifically:
 113  *  - Do not use pointer types -- pass pointers in __u64 instead.
 114  *  - Make sure that any structure larger than 4 bytes is padded to a
 115  *    multiple of 8 bytes.  Otherwise the structure size will be
 116  *    different between 32-bit and 64-bit architectures.
 117  */
 118
 119 struct ib_uverbs_async_event_desc {
 120         __u64 element;
 121         __u32 event_type;       /* enum ib_event_type */
 122         __u32 reserved;
 123 };
 124
 125 struct ib_uverbs_comp_event_desc {
 126         __u64 cq_handle;
 127 };
 128
 129 struct ib_uverbs_cq_moderation_caps {
 130         __u16     max_cq_moderation_count;
 131         __u16     max_cq_moderation_period;
 132         __u32     reserved;
 133 };
 134
 135 /*
 136  * All commands from userspace should start with a __u32 command field
 137  * followed by __u16 in_words and out_words fields (which give the
 138  * length of the command block and response buffer if any in 32-bit
 139  * words).  The kernel driver will read these fields first and read
 140  * the rest of the command struct based on these value.
 141  */
 142
 143 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff
 144 #define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u
 145 #define IB_USER_VERBS_CMD_FLAGS_SHIFT 24
 146
 147 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80
 148
 149 struct ib_uverbs_cmd_hdr {
 150         __u32 command;
 151         __u16 in_words;
 152         __u16 out_words;
 153 };
 154
 155 struct ib_uverbs_ex_cmd_hdr {
 156         __u64 response;
 157         __u16 provider_in_words;
 158         __u16 provider_out_words;
 159         __u32 cmd_hdr_reserved;
 160 };
 161
 162 struct ib_uverbs_get_context {
 163         __u64 response;
 164         __u64 driver_data[0];
 165 };
 166
 167 struct ib_uverbs_get_context_resp {
 168         __u32 async_fd;
 169         __u32 num_comp_vectors;
 170 };
 171
 172 struct ib_uverbs_query_device {
 173         __u64 response;
 174         __u64 driver_data[0];
 175 };
 176
 177 struct ib_uverbs_query_device_resp {
 178         __u64 fw_ver;
 179         __be64 node_guid;
 180         __be64 sys_image_guid;
 181         __u64 max_mr_size;
 182         __u64 page_size_cap;
 183         __u32 vendor_id;
 184         __u32 vendor_part_id;
 185         __u32 hw_ver;
 186         __u32 max_qp;
 187         __u32 max_qp_wr;
 188         __u32 device_cap_flags;
 189         __u32 max_sge;
 190         __u32 max_sge_rd;
 191         __u32 max_cq;
 192         __u32 max_cqe;
 193         __u32 max_mr;
 194         __u32 max_pd;
 195         __u32 max_qp_rd_atom;
 196         __u32 max_ee_rd_atom;
 197         __u32 max_res_rd_atom;
 198         __u32 max_qp_init_rd_atom;
 199         __u32 max_ee_init_rd_atom;
 200         __u32 atomic_cap;
 201         __u32 max_ee;
 202         __u32 max_rdd;
 203         __u32 max_mw;
 204         __u32 max_raw_ipv6_qp;
 205         __u32 max_raw_ethy_qp;
 206         __u32 max_mcast_grp;
 207         __u32 max_mcast_qp_attach;
 208         __u32 max_total_mcast_qp_attach;
 209         __u32 max_ah;
 210         __u32 max_fmr;
 211         __u32 max_map_per_fmr;
 212         __u32 max_srq;
 213         __u32 max_srq_wr;
 214         __u32 max_srq_sge;
 215         __u16 max_pkeys;
 216         __u8  local_ca_ack_delay;
 217         __u8  phys_port_cnt;
 218         __u8  reserved[4];
 219 };
 220
 221 struct ib_uverbs_ex_query_device {
 222         __u32 comp_mask;
 223         __u32 reserved;
 224 };
 225
 226 struct ib_uverbs_odp_caps {
 227         __u64 general_caps;
 228         struct {
 229                 __u32 rc_odp_caps;
 230                 __u32 uc_odp_caps;
 231                 __u32 ud_odp_caps;
 232         } per_transport_caps;
 233         __u32 reserved;
 234 };
 235
 236 struct ib_uverbs_rss_caps {
 237         /* Corresponding bit will be set if qp type from
 238          * 'enum ib_qp_type' is supported, e.g.
 239          * supported_qpts |= 1 << IB_QPT_UD
 240          */
 241         __u32 supported_qpts;
 242         __u32 max_rwq_indirection_tables;
 243         __u32 max_rwq_indirection_table_size;
 244         __u32 reserved;
 245 };
 246
 247 struct ib_uverbs_tm_caps {
 248         /* Max size of rendezvous request message */
 249         __u32 max_rndv_hdr_size;
 250         /* Max number of entries in tag matching list */
 251         __u32 max_num_tags;
 252         /* TM flags */
 253         __u32 flags;
 254         /* Max number of outstanding list operations */
 255         __u32 max_ops;
 256         /* Max number of SGE in tag matching entry */
 257         __u32 max_sge;
 258         __u32 reserved;
 259 };
 260
 261 struct ib_uverbs_ex_query_device_resp {
 262         struct ib_uverbs_query_device_resp base;
 263         __u32 comp_mask;
 264         __u32 response_length;
 265         struct ib_uverbs_odp_caps odp_caps;
 266         __u64 timestamp_mask;
 267         __u64 hca_core_clock; /* in KHZ */
 268         __u64 device_cap_flags_ex;
 269         struct ib_uverbs_rss_caps rss_caps;
 270         __u32  max_wq_type_rq;
 271         __u32 raw_packet_caps;
 272         struct ib_uverbs_tm_caps tm_caps;
 273         struct ib_uverbs_cq_moderation_caps cq_moderation_caps;
 274 };
 275
 276 struct ib_uverbs_query_port {
 277         __u64 response;
 278         __u8  port_num;
 279         __u8  reserved[7];
 280         __u64 driver_data[0];
 281 };
 282
 283 struct ib_uverbs_query_port_resp {
 284         __u32 port_cap_flags;
 285         __u32 max_msg_sz;
 286         __u32 bad_pkey_cntr;
 287         __u32 qkey_viol_cntr;
 288         __u32 gid_tbl_len;
 289         __u16 pkey_tbl_len;
 290         __u16 lid;
 291         __u16 sm_lid;
 292         __u8  state;
 293         __u8  max_mtu;
 294         __u8  active_mtu;
 295         __u8  lmc;
 296         __u8  max_vl_num;
 297         __u8  sm_sl;
 298         __u8  subnet_timeout;
 299         __u8  init_type_reply;
 300         __u8  active_width;
 301         __u8  active_speed;
 302         __u8  phys_state;
 303         __u8  link_layer;
 304         __u8  reserved[2];
 305 };
 306
 307 struct ib_uverbs_alloc_pd {
 308         __u64 response;
 309         __u64 driver_data[0];
 310 };
 311
 312 struct ib_uverbs_alloc_pd_resp {
 313         __u32 pd_handle;
 314 };
 315
 316 struct ib_uverbs_dealloc_pd {
 317         __u32 pd_handle;
 318 };
 319
 320 struct ib_uverbs_open_xrcd {
 321         __u64 response;
 322         __u32 fd;
 323         __u32 oflags;
 324         __u64 driver_data[0];
 325 };
 326
 327 struct ib_uverbs_open_xrcd_resp {
 328         __u32 xrcd_handle;
 329 };
 330
 331 struct ib_uverbs_close_xrcd {
 332         __u32 xrcd_handle;
 333 };
 334
 335 struct ib_uverbs_reg_mr {
 336         __u64 response;
 337         __u64 start;
 338         __u64 length;
 339         __u64 hca_va;
 340         __u32 pd_handle;
 341         __u32 access_flags;
 342         __u64 driver_data[0];
 343 };
 344
 345 struct ib_uverbs_reg_mr_resp {
 346         __u32 mr_handle;
 347         __u32 lkey;
 348         __u32 rkey;
 349 };
 350
 351 struct ib_uverbs_rereg_mr {
 352         __u64 response;
 353         __u32 mr_handle;
 354         __u32 flags;
 355         __u64 start;
 356         __u64 length;
 357         __u64 hca_va;
 358         __u32 pd_handle;
 359         __u32 access_flags;
 360 };
 361
 362 struct ib_uverbs_rereg_mr_resp {
 363         __u32 lkey;
 364         __u32 rkey;
 365 };
 366
 367 struct ib_uverbs_dereg_mr {
 368         __u32 mr_handle;
 369 };
 370
 371 struct ib_uverbs_alloc_mw {
 372         __u64 response;
 373         __u32 pd_handle;
 374         __u8  mw_type;
 375         __u8  reserved[3];
 376 };
 377
 378 struct ib_uverbs_alloc_mw_resp {
 379         __u32 mw_handle;
 380         __u32 rkey;
 381 };
 382
 383 struct ib_uverbs_dealloc_mw {
 384         __u32 mw_handle;
 385 };
 386
 387 struct ib_uverbs_create_comp_channel {
 388         __u64 response;
 389 };
 390
 391 struct ib_uverbs_create_comp_channel_resp {
 392         __u32 fd;
 393 };
 394
 395 struct ib_uverbs_create_cq {
 396         __u64 response;
 397         __u64 user_handle;
 398         __u32 cqe;
 399         __u32 comp_vector;
 400         __s32 comp_channel;
 401         __u32 reserved;
 402         __u64 driver_data[0];
 403 };
 404
 405 enum ib_uverbs_ex_create_cq_flags {
 406         IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0,
 407         IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1,
 408 };
 409
 410 struct ib_uverbs_ex_create_cq {
 411         __u64 user_handle;
 412         __u32 cqe;
 413         __u32 comp_vector;
 414         __s32 comp_channel;
 415         __u32 comp_mask;
 416         __u32 flags;  /* bitmask of ib_uverbs_ex_create_cq_flags */
 417         __u32 reserved;
 418 };
 419
 420 struct ib_uverbs_create_cq_resp {
 421         __u32 cq_handle;
 422         __u32 cqe;
 423 };
 424
 425 struct ib_uverbs_ex_create_cq_resp {
 426         struct ib_uverbs_create_cq_resp base;
 427         __u32 comp_mask;
 428         __u32 response_length;
 429 };
 430
 431 struct ib_uverbs_resize_cq {
 432         __u64 response;
 433         __u32 cq_handle;
 434         __u32 cqe;
 435         __u64 driver_data[0];
 436 };
 437
 438 struct ib_uverbs_resize_cq_resp {
 439         __u32 cqe;
 440         __u32 reserved;
 441         __u64 driver_data[0];
 442 };
 443
 444 struct ib_uverbs_poll_cq {
 445         __u64 response;
 446         __u32 cq_handle;
 447         __u32 ne;
 448 };
 449
 450 struct ib_uverbs_wc {
 451         __u64 wr_id;
 452         __u32 status;
 453         __u32 opcode;
 454         __u32 vendor_err;
 455         __u32 byte_len;
 456         union {
 457                 __be32 imm_data;
 458                 __u32 invalidate_rkey;
 459         } ex;
 460         __u32 qp_num;
 461         __u32 src_qp;
 462         __u32 wc_flags;
 463         __u16 pkey_index;
 464         __u16 slid;
 465         __u8 sl;
 466         __u8 dlid_path_bits;
 467         __u8 port_num;
 468         __u8 reserved;
 469 };
 470
 471 struct ib_uverbs_poll_cq_resp {
 472         __u32 count;
 473         __u32 reserved;
 474         struct ib_uverbs_wc wc[0];
 475 };
 476
 477 struct ib_uverbs_req_notify_cq {
 478         __u32 cq_handle;
 479         __u32 solicited_only;
 480 };
 481
 482 struct ib_uverbs_destroy_cq {
 483         __u64 response;
 484         __u32 cq_handle;
 485         __u32 reserved;
 486 };
 487
 488 struct ib_uverbs_destroy_cq_resp {
 489         __u32 comp_events_reported;
 490         __u32 async_events_reported;
 491 };
 492
 493 struct ib_uverbs_global_route {
 494         __u8  dgid[16];
 495         __u32 flow_label;
 496         __u8  sgid_index;
 497         __u8  hop_limit;
 498         __u8  traffic_class;
 499         __u8  reserved;
 500 };
 501
 502 struct ib_uverbs_ah_attr {
 503         struct ib_uverbs_global_route grh;
 504         __u16 dlid;
 505         __u8  sl;
 506         __u8  src_path_bits;
 507         __u8  static_rate;
 508         __u8  is_global;
 509         __u8  port_num;
 510         __u8  reserved;
 511 };
 512
 513 struct ib_uverbs_qp_attr {
 514         __u32   qp_attr_mask;
 515         __u32   qp_state;
 516         __u32   cur_qp_state;
 517         __u32   path_mtu;
 518         __u32   path_mig_state;
 519         __u32   qkey;
 520         __u32   rq_psn;
 521         __u32   sq_psn;
 522         __u32   dest_qp_num;
 523         __u32   qp_access_flags;
 524
 525         struct ib_uverbs_ah_attr ah_attr;
 526         struct ib_uverbs_ah_attr alt_ah_attr;
 527
 528         /* ib_qp_cap */
 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
 535         __u16   pkey_index;
 536         __u16   alt_pkey_index;
 537         __u8    en_sqd_async_notify;
 538         __u8    sq_draining;
 539         __u8    max_rd_atomic;
 540         __u8    max_dest_rd_atomic;
 541         __u8    min_rnr_timer;
 542         __u8    port_num;
 543         __u8    timeout;
 544         __u8    retry_cnt;
 545         __u8    rnr_retry;
 546         __u8    alt_port_num;
 547         __u8    alt_timeout;
 548         __u8    reserved[5];
 549 };
 550
 551 struct ib_uverbs_create_qp {
 552         __u64 response;
 553         __u64 user_handle;
 554         __u32 pd_handle;
 555         __u32 send_cq_handle;
 556         __u32 recv_cq_handle;
 557         __u32 srq_handle;
 558         __u32 max_send_wr;
 559         __u32 max_recv_wr;
 560         __u32 max_send_sge;
 561         __u32 max_recv_sge;
 562         __u32 max_inline_data;
 563         __u8  sq_sig_all;
 564         __u8  qp_type;
 565         __u8  is_srq;
 566         __u8  reserved;
 567         __u64 driver_data[0];
 568 };
 569
 570 enum ib_uverbs_create_qp_mask {
 571         IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0,
 572 };
 573
 574 enum {
 575         IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE,
 576 };
 577
 578 enum {
 579         /*
 580          * This value is equal to IB_QP_DEST_QPN.
 581          */
 582         IB_USER_LEGACY_LAST_QP_ATTR_MASK = 1ULL << 20,
 583 };
 584
 585 enum {
 586         /*
 587          * This value is equal to IB_QP_RATE_LIMIT.
 588          */
 589         IB_USER_LAST_QP_ATTR_MASK = 1ULL << 25,
 590 };
 591
 592 struct ib_uverbs_ex_create_qp {
 593         __u64 user_handle;
 594         __u32 pd_handle;
 595         __u32 send_cq_handle;
 596         __u32 recv_cq_handle;
 597         __u32 srq_handle;
 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         __u8  sq_sig_all;
 604         __u8  qp_type;
 605         __u8  is_srq;
 606         __u8 reserved;
 607         __u32 comp_mask;
 608         __u32 create_flags;
 609         __u32 rwq_ind_tbl_handle;
 610         __u32  source_qpn;
 611 };
 612
 613 struct ib_uverbs_open_qp {
 614         __u64 response;
 615         __u64 user_handle;
 616         __u32 pd_handle;
 617         __u32 qpn;
 618         __u8  qp_type;
 619         __u8  reserved[7];
 620         __u64 driver_data[0];
 621 };
 622
 623 /* also used for open response */
 624 struct ib_uverbs_create_qp_resp {
 625         __u32 qp_handle;
 626         __u32 qpn;
 627         __u32 max_send_wr;
 628         __u32 max_recv_wr;
 629         __u32 max_send_sge;
 630         __u32 max_recv_sge;
 631         __u32 max_inline_data;
 632         __u32 reserved;
 633 };
 634
 635 struct ib_uverbs_ex_create_qp_resp {
 636         struct ib_uverbs_create_qp_resp base;
 637         __u32 comp_mask;
 638         __u32 response_length;
 639 };
 640
 641 /*
 642  * This struct needs to remain a multiple of 8 bytes to keep the
 643  * alignment of the modify QP parameters.
 644  */
 645 struct ib_uverbs_qp_dest {
 646         __u8  dgid[16];
 647         __u32 flow_label;
 648         __u16 dlid;
 649         __u16 reserved;
 650         __u8  sgid_index;
 651         __u8  hop_limit;
 652         __u8  traffic_class;
 653         __u8  sl;
 654         __u8  src_path_bits;
 655         __u8  static_rate;
 656         __u8  is_global;
 657         __u8  port_num;
 658 };
 659
 660 struct ib_uverbs_query_qp {
 661         __u64 response;
 662         __u32 qp_handle;
 663         __u32 attr_mask;
 664         __u64 driver_data[0];
 665 };
 666
 667 struct ib_uverbs_query_qp_resp {
 668         struct ib_uverbs_qp_dest dest;
 669         struct ib_uverbs_qp_dest alt_dest;
 670         __u32 max_send_wr;
 671         __u32 max_recv_wr;
 672         __u32 max_send_sge;
 673         __u32 max_recv_sge;
 674         __u32 max_inline_data;
 675         __u32 qkey;
 676         __u32 rq_psn;
 677         __u32 sq_psn;
 678         __u32 dest_qp_num;
 679         __u32 qp_access_flags;
 680         __u16 pkey_index;
 681         __u16 alt_pkey_index;
 682         __u8  qp_state;
 683         __u8  cur_qp_state;
 684         __u8  path_mtu;
 685         __u8  path_mig_state;
 686         __u8  sq_draining;
 687         __u8  max_rd_atomic;
 688         __u8  max_dest_rd_atomic;
 689         __u8  min_rnr_timer;
 690         __u8  port_num;
 691         __u8  timeout;
 692         __u8  retry_cnt;
 693         __u8  rnr_retry;
 694         __u8  alt_port_num;
 695         __u8  alt_timeout;
 696         __u8  sq_sig_all;
 697         __u8  reserved[5];
 698         __u64 driver_data[0];
 699 };
 700
 701 struct ib_uverbs_modify_qp {
 702         struct ib_uverbs_qp_dest dest;
 703         struct ib_uverbs_qp_dest alt_dest;
 704         __u32 qp_handle;
 705         __u32 attr_mask;
 706         __u32 qkey;
 707         __u32 rq_psn;
 708         __u32 sq_psn;
 709         __u32 dest_qp_num;
 710         __u32 qp_access_flags;
 711         __u16 pkey_index;
 712         __u16 alt_pkey_index;
 713         __u8  qp_state;
 714         __u8  cur_qp_state;
 715         __u8  path_mtu;
 716         __u8  path_mig_state;
 717         __u8  en_sqd_async_notify;
 718         __u8  max_rd_atomic;
 719         __u8  max_dest_rd_atomic;
 720         __u8  min_rnr_timer;
 721         __u8  port_num;
 722         __u8  timeout;
 723         __u8  retry_cnt;
 724         __u8  rnr_retry;
 725         __u8  alt_port_num;
 726         __u8  alt_timeout;
 727         __u8  reserved[2];
 728         __u64 driver_data[0];
 729 };
 730
 731 struct ib_uverbs_ex_modify_qp {
 732         struct ib_uverbs_modify_qp base;
 733         __u32   rate_limit;
 734         __u32   reserved;
 735 };
 736
 737 struct ib_uverbs_modify_qp_resp {
 738 };
 739
 740 struct ib_uverbs_ex_modify_qp_resp {
 741         __u32  comp_mask;
 742         __u32  response_length;
 743 };
 744
 745 struct ib_uverbs_destroy_qp {
 746         __u64 response;
 747         __u32 qp_handle;
 748         __u32 reserved;
 749 };
 750
 751 struct ib_uverbs_destroy_qp_resp {
 752         __u32 events_reported;
 753 };
 754
 755 /*
 756  * The ib_uverbs_sge structure isn't used anywhere, since we assume
 757  * the ib_sge structure is packed the same way on 32-bit and 64-bit
 758  * architectures in both kernel and user space.  It's just here to
 759  * document the ABI.
 760  */
 761 struct ib_uverbs_sge {
 762         __u64 addr;
 763         __u32 length;
 764         __u32 lkey;
 765 };
 766
 767 struct ib_uverbs_send_wr {
 768         __u64 wr_id;
 769         __u32 num_sge;
 770         __u32 opcode;
 771         __u32 send_flags;
 772         union {
 773                 __be32 imm_data;
 774                 __u32 invalidate_rkey;
 775         } ex;
 776         union {
 777                 struct {
 778                         __u64 remote_addr;
 779                         __u32 rkey;
 780                         __u32 reserved;
 781                 } rdma;
 782                 struct {
 783                         __u64 remote_addr;
 784                         __u64 compare_add;
 785                         __u64 swap;
 786                         __u32 rkey;
 787                         __u32 reserved;
 788                 } atomic;
 789                 struct {
 790                         __u32 ah;
 791                         __u32 remote_qpn;
 792                         __u32 remote_qkey;
 793                         __u32 reserved;
 794                 } ud;
 795         } wr;
 796 };
 797
 798 struct ib_uverbs_post_send {
 799         __u64 response;
 800         __u32 qp_handle;
 801         __u32 wr_count;
 802         __u32 sge_count;
 803         __u32 wqe_size;
 804         struct ib_uverbs_send_wr send_wr[0];
 805 };
 806
 807 struct ib_uverbs_post_send_resp {
 808         __u32 bad_wr;
 809 };
 810
 811 struct ib_uverbs_recv_wr {
 812         __u64 wr_id;
 813         __u32 num_sge;
 814         __u32 reserved;
 815 };
 816
 817 struct ib_uverbs_post_recv {
 818         __u64 response;
 819         __u32 qp_handle;
 820         __u32 wr_count;
 821         __u32 sge_count;
 822         __u32 wqe_size;
 823         struct ib_uverbs_recv_wr recv_wr[0];
 824 };
 825
 826 struct ib_uverbs_post_recv_resp {
 827         __u32 bad_wr;
 828 };
 829
 830 struct ib_uverbs_post_srq_recv {
 831         __u64 response;
 832         __u32 srq_handle;
 833         __u32 wr_count;
 834         __u32 sge_count;
 835         __u32 wqe_size;
 836         struct ib_uverbs_recv_wr recv[0];
 837 };
 838
 839 struct ib_uverbs_post_srq_recv_resp {
 840         __u32 bad_wr;
 841 };
 842
 843 struct ib_uverbs_create_ah {
 844         __u64 response;
 845         __u64 user_handle;
 846         __u32 pd_handle;
 847         __u32 reserved;
 848         struct ib_uverbs_ah_attr attr;
 849 };
 850
 851 struct ib_uverbs_create_ah_resp {
 852         __u32 ah_handle;
 853 };
 854
 855 struct ib_uverbs_destroy_ah {
 856         __u32 ah_handle;
 857 };
 858
 859 struct ib_uverbs_attach_mcast {
 860         __u8  gid[16];
 861         __u32 qp_handle;
 862         __u16 mlid;
 863         __u16 reserved;
 864         __u64 driver_data[0];
 865 };
 866
 867 struct ib_uverbs_detach_mcast {
 868         __u8  gid[16];
 869         __u32 qp_handle;
 870         __u16 mlid;
 871         __u16 reserved;
 872         __u64 driver_data[0];
 873 };
 874
 875 struct ib_uverbs_flow_spec_hdr {
 876         __u32 type;
 877         __u16 size;
 878         __u16 reserved;
 879         /* followed by flow_spec */
 880         __u64 flow_spec_data[0];
 881 };
 882
 883 struct ib_uverbs_flow_eth_filter {
 884         __u8  dst_mac[6];
 885         __u8  src_mac[6];
 886         __be16 ether_type;
 887         __be16 vlan_tag;
 888 };
 889
 890 struct ib_uverbs_flow_spec_eth {
 891         union {
 892                 struct ib_uverbs_flow_spec_hdr hdr;
 893                 struct {
 894                         __u32 type;
 895                         __u16 size;
 896                         __u16 reserved;
 897                 };
 898         };
 899         struct ib_uverbs_flow_eth_filter val;
 900         struct ib_uverbs_flow_eth_filter mask;
 901 };
 902
 903 struct ib_uverbs_flow_ipv4_filter {
 904         __be32 src_ip;
 905         __be32 dst_ip;
 906         __u8    proto;
 907         __u8    tos;
 908         __u8    ttl;
 909         __u8    flags;
 910 };
 911
 912 struct ib_uverbs_flow_spec_ipv4 {
 913         union {
 914                 struct ib_uverbs_flow_spec_hdr hdr;
 915                 struct {
 916                         __u32 type;
 917                         __u16 size;
 918                         __u16 reserved;
 919                 };
 920         };
 921         struct ib_uverbs_flow_ipv4_filter val;
 922         struct ib_uverbs_flow_ipv4_filter mask;
 923 };
 924
 925 struct ib_uverbs_flow_tcp_udp_filter {
 926         __be16 dst_port;
 927         __be16 src_port;
 928 };
 929
 930 struct ib_uverbs_flow_spec_tcp_udp {
 931         union {
 932                 struct ib_uverbs_flow_spec_hdr hdr;
 933                 struct {
 934                         __u32 type;
 935                         __u16 size;
 936                         __u16 reserved;
 937                 };
 938         };
 939         struct ib_uverbs_flow_tcp_udp_filter val;
 940         struct ib_uverbs_flow_tcp_udp_filter mask;
 941 };
 942
 943 struct ib_uverbs_flow_ipv6_filter {
 944         __u8    src_ip[16];
 945         __u8    dst_ip[16];
 946         __be32  flow_label;
 947         __u8    next_hdr;
 948         __u8    traffic_class;
 949         __u8    hop_limit;
 950         __u8    reserved;
 951 };
 952
 953 struct ib_uverbs_flow_spec_ipv6 {
 954         union {
 955                 struct ib_uverbs_flow_spec_hdr hdr;
 956                 struct {
 957                         __u32 type;
 958                         __u16 size;
 959                         __u16 reserved;
 960                 };
 961         };
 962         struct ib_uverbs_flow_ipv6_filter val;
 963         struct ib_uverbs_flow_ipv6_filter mask;
 964 };
 965
 966 struct ib_uverbs_flow_spec_action_tag {
 967         union {
 968                 struct ib_uverbs_flow_spec_hdr hdr;
 969                 struct {
 970                         __u32 type;
 971                         __u16 size;
 972                         __u16 reserved;
 973                 };
 974         };
 975         __u32                         tag_id;
 976         __u32                         reserved1;
 977 };
 978
 979 struct ib_uverbs_flow_spec_action_drop {
 980         union {
 981                 struct ib_uverbs_flow_spec_hdr hdr;
 982                 struct {
 983                         __u32 type;
 984                         __u16 size;
 985                         __u16 reserved;
 986                 };
 987         };
 988 };
 989
 990 struct ib_uverbs_flow_tunnel_filter {
 991         __be32 tunnel_id;
 992 };
 993
 994 struct ib_uverbs_flow_spec_tunnel {
 995         union {
 996                 struct ib_uverbs_flow_spec_hdr hdr;
 997                 struct {
 998                         __u32 type;
 999                         __u16 size;
1000                         __u16 reserved;
1001                 };
1002         };
1003         struct ib_uverbs_flow_tunnel_filter val;
1004         struct ib_uverbs_flow_tunnel_filter mask;
1005 };
1006
1007 struct ib_uverbs_flow_attr {
1008         __u32 type;
1009         __u16 size;
1010         __u16 priority;
1011         __u8  num_of_specs;
1012         __u8  reserved[2];
1013         __u8  port;
1014         __u32 flags;
1015         /* Following are the optional layers according to user request
1016          * struct ib_flow_spec_xxx
1017          * struct ib_flow_spec_yyy
1018          */
1019         struct ib_uverbs_flow_spec_hdr flow_specs[0];
1020 };
1021
1022 struct ib_uverbs_create_flow  {
1023         __u32 comp_mask;
1024         __u32 qp_handle;
1025         struct ib_uverbs_flow_attr flow_attr;
1026 };
1027
1028 struct ib_uverbs_create_flow_resp {
1029         __u32 comp_mask;
1030         __u32 flow_handle;
1031 };
1032
1033 struct ib_uverbs_destroy_flow  {
1034         __u32 comp_mask;
1035         __u32 flow_handle;
1036 };
1037
1038 struct ib_uverbs_create_srq {
1039         __u64 response;
1040         __u64 user_handle;
1041         __u32 pd_handle;
1042         __u32 max_wr;
1043         __u32 max_sge;
1044         __u32 srq_limit;
1045         __u64 driver_data[0];
1046 };
1047
1048 struct ib_uverbs_create_xsrq {
1049         __u64 response;
1050         __u64 user_handle;
1051         __u32 srq_type;
1052         __u32 pd_handle;
1053         __u32 max_wr;
1054         __u32 max_sge;
1055         __u32 srq_limit;
1056         __u32 max_num_tags;
1057         __u32 xrcd_handle;
1058         __u32 cq_handle;
1059         __u64 driver_data[0];
1060 };
1061
1062 struct ib_uverbs_create_srq_resp {
1063         __u32 srq_handle;
1064         __u32 max_wr;
1065         __u32 max_sge;
1066         __u32 srqn;
1067 };
1068
1069 struct ib_uverbs_modify_srq {
1070         __u32 srq_handle;
1071         __u32 attr_mask;
1072         __u32 max_wr;
1073         __u32 srq_limit;
1074         __u64 driver_data[0];
1075 };
1076
1077 struct ib_uverbs_query_srq {
1078         __u64 response;
1079         __u32 srq_handle;
1080         __u32 reserved;
1081         __u64 driver_data[0];
1082 };
1083
1084 struct ib_uverbs_query_srq_resp {
1085         __u32 max_wr;
1086         __u32 max_sge;
1087         __u32 srq_limit;
1088         __u32 reserved;
1089 };
1090
1091 struct ib_uverbs_destroy_srq {
1092         __u64 response;
1093         __u32 srq_handle;
1094         __u32 reserved;
1095 };
1096
1097 struct ib_uverbs_destroy_srq_resp {
1098         __u32 events_reported;
1099 };
1100
1101 struct ib_uverbs_ex_create_wq  {
1102         __u32 comp_mask;
1103         __u32 wq_type;
1104         __u64 user_handle;
1105         __u32 pd_handle;
1106         __u32 cq_handle;
1107         __u32 max_wr;
1108         __u32 max_sge;
1109         __u32 create_flags; /* Use enum ib_wq_flags */
1110         __u32 reserved;
1111 };
1112
1113 struct ib_uverbs_ex_create_wq_resp {
1114         __u32 comp_mask;
1115         __u32 response_length;
1116         __u32 wq_handle;
1117         __u32 max_wr;
1118         __u32 max_sge;
1119         __u32 wqn;
1120 };
1121
1122 struct ib_uverbs_ex_destroy_wq  {
1123         __u32 comp_mask;
1124         __u32 wq_handle;
1125 };
1126
1127 struct ib_uverbs_ex_destroy_wq_resp {
1128         __u32 comp_mask;
1129         __u32 response_length;
1130         __u32 events_reported;
1131         __u32 reserved;
1132 };
1133
1134 struct ib_uverbs_ex_modify_wq  {
1135         __u32 attr_mask;
1136         __u32 wq_handle;
1137         __u32 wq_state;
1138         __u32 curr_wq_state;
1139         __u32 flags; /* Use enum ib_wq_flags */
1140         __u32 flags_mask; /* Use enum ib_wq_flags */
1141 };
1142
1143 /* Prevent memory allocation rather than max expected size */
1144 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d
1145 struct ib_uverbs_ex_create_rwq_ind_table  {
1146         __u32 comp_mask;
1147         __u32 log_ind_tbl_size;
1148         /* Following are the wq handles according to log_ind_tbl_size
1149          * wq_handle1
1150          * wq_handle2
1151          */
1152         __u32 wq_handles[0];
1153 };
1154
1155 struct ib_uverbs_ex_create_rwq_ind_table_resp {
1156         __u32 comp_mask;
1157         __u32 response_length;
1158         __u32 ind_tbl_handle;
1159         __u32 ind_tbl_num;
1160 };
1161
1162 struct ib_uverbs_ex_destroy_rwq_ind_table  {
1163         __u32 comp_mask;
1164         __u32 ind_tbl_handle;
1165 };
1166
1167 struct ib_uverbs_cq_moderation {
1168         __u16 cq_count;
1169         __u16 cq_period;
1170 };
1171
1172 struct ib_uverbs_ex_modify_cq {
1173         __u32 cq_handle;
1174         __u32 attr_mask;
1175         struct ib_uverbs_cq_moderation attr;
1176         __u32 reserved;
1177 };
1178
1179 #define IB_DEVICE_NAME_MAX 64
1180
1181 #endif /* IB_USER_VERBS_H */