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_tm_caps {
 240         /* Max size of rendezvous request message */
 241         __u32 max_rndv_hdr_size;
 242         /* Max number of entries in tag matching list */
 243         __u32 max_num_tags;
 244         /* TM flags */
 245         __u32 flags;
 246         /* Max number of outstanding list operations */
 247         __u32 max_ops;
 248         /* Max number of SGE in tag matching entry */
 249         __u32 max_sge;
 250         __u32 reserved;
 251 };
 252
 253 struct ib_uverbs_ex_query_device_resp {
 254         struct ib_uverbs_query_device_resp base;
 255         __u32 comp_mask;
 256         __u32 response_length;
 257         struct ib_uverbs_odp_caps odp_caps;
 258         __u64 timestamp_mask;
 259         __u64 hca_core_clock; /* in KHZ */
 260         __u64 device_cap_flags_ex;
 261         struct ib_uverbs_rss_caps rss_caps;
 262         __u32  max_wq_type_rq;
 263         __u32 raw_packet_caps;
 264         struct ib_uverbs_tm_caps xrq_caps;
 265 };
 266
 267 struct ib_uverbs_query_port {
 268         __u64 response;
 269         __u8  port_num;
 270         __u8  reserved[7];
 271         __u64 driver_data[0];
 272 };
 273
 274 struct ib_uverbs_query_port_resp {
 275         __u32 port_cap_flags;
 276         __u32 max_msg_sz;
 277         __u32 bad_pkey_cntr;
 278         __u32 qkey_viol_cntr;
 279         __u32 gid_tbl_len;
 280         __u16 pkey_tbl_len;
 281         __u16 lid;
 282         __u16 sm_lid;
 283         __u8  state;
 284         __u8  max_mtu;
 285         __u8  active_mtu;
 286         __u8  lmc;
 287         __u8  max_vl_num;
 288         __u8  sm_sl;
 289         __u8  subnet_timeout;
 290         __u8  init_type_reply;
 291         __u8  active_width;
 292         __u8  active_speed;
 293         __u8  phys_state;
 294         __u8  link_layer;
 295         __u8  reserved[2];
 296 };
 297
 298 struct ib_uverbs_alloc_pd {
 299         __u64 response;
 300         __u64 driver_data[0];
 301 };
 302
 303 struct ib_uverbs_alloc_pd_resp {
 304         __u32 pd_handle;
 305 };
 306
 307 struct ib_uverbs_dealloc_pd {
 308         __u32 pd_handle;
 309 };
 310
 311 struct ib_uverbs_open_xrcd {
 312         __u64 response;
 313         __u32 fd;
 314         __u32 oflags;
 315         __u64 driver_data[0];
 316 };
 317
 318 struct ib_uverbs_open_xrcd_resp {
 319         __u32 xrcd_handle;
 320 };
 321
 322 struct ib_uverbs_close_xrcd {
 323         __u32 xrcd_handle;
 324 };
 325
 326 struct ib_uverbs_reg_mr {
 327         __u64 response;
 328         __u64 start;
 329         __u64 length;
 330         __u64 hca_va;
 331         __u32 pd_handle;
 332         __u32 access_flags;
 333         __u64 driver_data[0];
 334 };
 335
 336 struct ib_uverbs_reg_mr_resp {
 337         __u32 mr_handle;
 338         __u32 lkey;
 339         __u32 rkey;
 340 };
 341
 342 struct ib_uverbs_rereg_mr {
 343         __u64 response;
 344         __u32 mr_handle;
 345         __u32 flags;
 346         __u64 start;
 347         __u64 length;
 348         __u64 hca_va;
 349         __u32 pd_handle;
 350         __u32 access_flags;
 351 };
 352
 353 struct ib_uverbs_rereg_mr_resp {
 354         __u32 lkey;
 355         __u32 rkey;
 356 };
 357
 358 struct ib_uverbs_dereg_mr {
 359         __u32 mr_handle;
 360 };
 361
 362 struct ib_uverbs_alloc_mw {
 363         __u64 response;
 364         __u32 pd_handle;
 365         __u8  mw_type;
 366         __u8  reserved[3];
 367 };
 368
 369 struct ib_uverbs_alloc_mw_resp {
 370         __u32 mw_handle;
 371         __u32 rkey;
 372 };
 373
 374 struct ib_uverbs_dealloc_mw {
 375         __u32 mw_handle;
 376 };
 377
 378 struct ib_uverbs_create_comp_channel {
 379         __u64 response;
 380 };
 381
 382 struct ib_uverbs_create_comp_channel_resp {
 383         __u32 fd;
 384 };
 385
 386 struct ib_uverbs_create_cq {
 387         __u64 response;
 388         __u64 user_handle;
 389         __u32 cqe;
 390         __u32 comp_vector;
 391         __s32 comp_channel;
 392         __u32 reserved;
 393         __u64 driver_data[0];
 394 };
 395
 396 struct ib_uverbs_ex_create_cq {
 397         __u64 user_handle;
 398         __u32 cqe;
 399         __u32 comp_vector;
 400         __s32 comp_channel;
 401         __u32 comp_mask;
 402         __u32 flags;
 403         __u32 reserved;
 404 };
 405
 406 struct ib_uverbs_create_cq_resp {
 407         __u32 cq_handle;
 408         __u32 cqe;
 409 };
 410
 411 struct ib_uverbs_ex_create_cq_resp {
 412         struct ib_uverbs_create_cq_resp base;
 413         __u32 comp_mask;
 414         __u32 response_length;
 415 };
 416
 417 struct ib_uverbs_resize_cq {
 418         __u64 response;
 419         __u32 cq_handle;
 420         __u32 cqe;
 421         __u64 driver_data[0];
 422 };
 423
 424 struct ib_uverbs_resize_cq_resp {
 425         __u32 cqe;
 426         __u32 reserved;
 427         __u64 driver_data[0];
 428 };
 429
 430 struct ib_uverbs_poll_cq {
 431         __u64 response;
 432         __u32 cq_handle;
 433         __u32 ne;
 434 };
 435
 436 struct ib_uverbs_wc {
 437         __u64 wr_id;
 438         __u32 status;
 439         __u32 opcode;
 440         __u32 vendor_err;
 441         __u32 byte_len;
 442         union {
 443                 __u32 imm_data;
 444                 __u32 invalidate_rkey;
 445         } ex;
 446         __u32 qp_num;
 447         __u32 src_qp;
 448         __u32 wc_flags;
 449         __u16 pkey_index;
 450         __u16 slid;
 451         __u8 sl;
 452         __u8 dlid_path_bits;
 453         __u8 port_num;
 454         __u8 reserved;
 455 };
 456
 457 struct ib_uverbs_poll_cq_resp {
 458         __u32 count;
 459         __u32 reserved;
 460         struct ib_uverbs_wc wc[0];
 461 };
 462
 463 struct ib_uverbs_req_notify_cq {
 464         __u32 cq_handle;
 465         __u32 solicited_only;
 466 };
 467
 468 struct ib_uverbs_destroy_cq {
 469         __u64 response;
 470         __u32 cq_handle;
 471         __u32 reserved;
 472 };
 473
 474 struct ib_uverbs_destroy_cq_resp {
 475         __u32 comp_events_reported;
 476         __u32 async_events_reported;
 477 };
 478
 479 struct ib_uverbs_global_route {
 480         __u8  dgid[16];
 481         __u32 flow_label;
 482         __u8  sgid_index;
 483         __u8  hop_limit;
 484         __u8  traffic_class;
 485         __u8  reserved;
 486 };
 487
 488 struct ib_uverbs_ah_attr {
 489         struct ib_uverbs_global_route grh;
 490         __u16 dlid;
 491         __u8  sl;
 492         __u8  src_path_bits;
 493         __u8  static_rate;
 494         __u8  is_global;
 495         __u8  port_num;
 496         __u8  reserved;
 497 };
 498
 499 struct ib_uverbs_qp_attr {
 500         __u32   qp_attr_mask;
 501         __u32   qp_state;
 502         __u32   cur_qp_state;
 503         __u32   path_mtu;
 504         __u32   path_mig_state;
 505         __u32   qkey;
 506         __u32   rq_psn;
 507         __u32   sq_psn;
 508         __u32   dest_qp_num;
 509         __u32   qp_access_flags;
 510
 511         struct ib_uverbs_ah_attr ah_attr;
 512         struct ib_uverbs_ah_attr alt_ah_attr;
 513
 514         /* ib_qp_cap */
 515         __u32   max_send_wr;
 516         __u32   max_recv_wr;
 517         __u32   max_send_sge;
 518         __u32   max_recv_sge;
 519         __u32   max_inline_data;
 520
 521         __u16   pkey_index;
 522         __u16   alt_pkey_index;
 523         __u8    en_sqd_async_notify;
 524         __u8    sq_draining;
 525         __u8    max_rd_atomic;
 526         __u8    max_dest_rd_atomic;
 527         __u8    min_rnr_timer;
 528         __u8    port_num;
 529         __u8    timeout;
 530         __u8    retry_cnt;
 531         __u8    rnr_retry;
 532         __u8    alt_port_num;
 533         __u8    alt_timeout;
 534         __u8    reserved[5];
 535 };
 536
 537 struct ib_uverbs_create_qp {
 538         __u64 response;
 539         __u64 user_handle;
 540         __u32 pd_handle;
 541         __u32 send_cq_handle;
 542         __u32 recv_cq_handle;
 543         __u32 srq_handle;
 544         __u32 max_send_wr;
 545         __u32 max_recv_wr;
 546         __u32 max_send_sge;
 547         __u32 max_recv_sge;
 548         __u32 max_inline_data;
 549         __u8  sq_sig_all;
 550         __u8  qp_type;
 551         __u8  is_srq;
 552         __u8  reserved;
 553         __u64 driver_data[0];
 554 };
 555
 556 enum ib_uverbs_create_qp_mask {
 557         IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0,
 558 };
 559
 560 enum {
 561         IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE,
 562 };
 563
 564 enum {
 565         /*
 566          * This value is equal to IB_QP_DEST_QPN.
 567          */
 568         IB_USER_LEGACY_LAST_QP_ATTR_MASK = 1ULL << 20,
 569 };
 570
 571 enum {
 572         /*
 573          * This value is equal to IB_QP_RATE_LIMIT.
 574          */
 575         IB_USER_LAST_QP_ATTR_MASK = 1ULL << 25,
 576 };
 577
 578 struct ib_uverbs_ex_create_qp {
 579         __u64 user_handle;
 580         __u32 pd_handle;
 581         __u32 send_cq_handle;
 582         __u32 recv_cq_handle;
 583         __u32 srq_handle;
 584         __u32 max_send_wr;
 585         __u32 max_recv_wr;
 586         __u32 max_send_sge;
 587         __u32 max_recv_sge;
 588         __u32 max_inline_data;
 589         __u8  sq_sig_all;
 590         __u8  qp_type;
 591         __u8  is_srq;
 592         __u8 reserved;
 593         __u32 comp_mask;
 594         __u32 create_flags;
 595         __u32 rwq_ind_tbl_handle;
 596         __u32  source_qpn;
 597 };
 598
 599 struct ib_uverbs_open_qp {
 600         __u64 response;
 601         __u64 user_handle;
 602         __u32 pd_handle;
 603         __u32 qpn;
 604         __u8  qp_type;
 605         __u8  reserved[7];
 606         __u64 driver_data[0];
 607 };
 608
 609 /* also used for open response */
 610 struct ib_uverbs_create_qp_resp {
 611         __u32 qp_handle;
 612         __u32 qpn;
 613         __u32 max_send_wr;
 614         __u32 max_recv_wr;
 615         __u32 max_send_sge;
 616         __u32 max_recv_sge;
 617         __u32 max_inline_data;
 618         __u32 reserved;
 619 };
 620
 621 struct ib_uverbs_ex_create_qp_resp {
 622         struct ib_uverbs_create_qp_resp base;
 623         __u32 comp_mask;
 624         __u32 response_length;
 625 };
 626
 627 /*
 628  * This struct needs to remain a multiple of 8 bytes to keep the
 629  * alignment of the modify QP parameters.
 630  */
 631 struct ib_uverbs_qp_dest {
 632         __u8  dgid[16];
 633         __u32 flow_label;
 634         __u16 dlid;
 635         __u16 reserved;
 636         __u8  sgid_index;
 637         __u8  hop_limit;
 638         __u8  traffic_class;
 639         __u8  sl;
 640         __u8  src_path_bits;
 641         __u8  static_rate;
 642         __u8  is_global;
 643         __u8  port_num;
 644 };
 645
 646 struct ib_uverbs_query_qp {
 647         __u64 response;
 648         __u32 qp_handle;
 649         __u32 attr_mask;
 650         __u64 driver_data[0];
 651 };
 652
 653 struct ib_uverbs_query_qp_resp {
 654         struct ib_uverbs_qp_dest dest;
 655         struct ib_uverbs_qp_dest alt_dest;
 656         __u32 max_send_wr;
 657         __u32 max_recv_wr;
 658         __u32 max_send_sge;
 659         __u32 max_recv_sge;
 660         __u32 max_inline_data;
 661         __u32 qkey;
 662         __u32 rq_psn;
 663         __u32 sq_psn;
 664         __u32 dest_qp_num;
 665         __u32 qp_access_flags;
 666         __u16 pkey_index;
 667         __u16 alt_pkey_index;
 668         __u8  qp_state;
 669         __u8  cur_qp_state;
 670         __u8  path_mtu;
 671         __u8  path_mig_state;
 672         __u8  sq_draining;
 673         __u8  max_rd_atomic;
 674         __u8  max_dest_rd_atomic;
 675         __u8  min_rnr_timer;
 676         __u8  port_num;
 677         __u8  timeout;
 678         __u8  retry_cnt;
 679         __u8  rnr_retry;
 680         __u8  alt_port_num;
 681         __u8  alt_timeout;
 682         __u8  sq_sig_all;
 683         __u8  reserved[5];
 684         __u64 driver_data[0];
 685 };
 686
 687 struct ib_uverbs_modify_qp {
 688         struct ib_uverbs_qp_dest dest;
 689         struct ib_uverbs_qp_dest alt_dest;
 690         __u32 qp_handle;
 691         __u32 attr_mask;
 692         __u32 qkey;
 693         __u32 rq_psn;
 694         __u32 sq_psn;
 695         __u32 dest_qp_num;
 696         __u32 qp_access_flags;
 697         __u16 pkey_index;
 698         __u16 alt_pkey_index;
 699         __u8  qp_state;
 700         __u8  cur_qp_state;
 701         __u8  path_mtu;
 702         __u8  path_mig_state;
 703         __u8  en_sqd_async_notify;
 704         __u8  max_rd_atomic;
 705         __u8  max_dest_rd_atomic;
 706         __u8  min_rnr_timer;
 707         __u8  port_num;
 708         __u8  timeout;
 709         __u8  retry_cnt;
 710         __u8  rnr_retry;
 711         __u8  alt_port_num;
 712         __u8  alt_timeout;
 713         __u8  reserved[2];
 714         __u64 driver_data[0];
 715 };
 716
 717 struct ib_uverbs_ex_modify_qp {
 718         struct ib_uverbs_modify_qp base;
 719         __u32   rate_limit;
 720         __u32   reserved;
 721 };
 722
 723 struct ib_uverbs_modify_qp_resp {
 724 };
 725
 726 struct ib_uverbs_ex_modify_qp_resp {
 727         __u32  comp_mask;
 728         __u32  response_length;
 729 };
 730
 731 struct ib_uverbs_destroy_qp {
 732         __u64 response;
 733         __u32 qp_handle;
 734         __u32 reserved;
 735 };
 736
 737 struct ib_uverbs_destroy_qp_resp {
 738         __u32 events_reported;
 739 };
 740
 741 /*
 742  * The ib_uverbs_sge structure isn't used anywhere, since we assume
 743  * the ib_sge structure is packed the same way on 32-bit and 64-bit
 744  * architectures in both kernel and user space.  It's just here to
 745  * document the ABI.
 746  */
 747 struct ib_uverbs_sge {
 748         __u64 addr;
 749         __u32 length;
 750         __u32 lkey;
 751 };
 752
 753 struct ib_uverbs_send_wr {
 754         __u64 wr_id;
 755         __u32 num_sge;
 756         __u32 opcode;
 757         __u32 send_flags;
 758         union {
 759                 __u32 imm_data;
 760                 __u32 invalidate_rkey;
 761         } ex;
 762         union {
 763                 struct {
 764                         __u64 remote_addr;
 765                         __u32 rkey;
 766                         __u32 reserved;
 767                 } rdma;
 768                 struct {
 769                         __u64 remote_addr;
 770                         __u64 compare_add;
 771                         __u64 swap;
 772                         __u32 rkey;
 773                         __u32 reserved;
 774                 } atomic;
 775                 struct {
 776                         __u32 ah;
 777                         __u32 remote_qpn;
 778                         __u32 remote_qkey;
 779                         __u32 reserved;
 780                 } ud;
 781         } wr;
 782 };
 783
 784 struct ib_uverbs_post_send {
 785         __u64 response;
 786         __u32 qp_handle;
 787         __u32 wr_count;
 788         __u32 sge_count;
 789         __u32 wqe_size;
 790         struct ib_uverbs_send_wr send_wr[0];
 791 };
 792
 793 struct ib_uverbs_post_send_resp {
 794         __u32 bad_wr;
 795 };
 796
 797 struct ib_uverbs_recv_wr {
 798         __u64 wr_id;
 799         __u32 num_sge;
 800         __u32 reserved;
 801 };
 802
 803 struct ib_uverbs_post_recv {
 804         __u64 response;
 805         __u32 qp_handle;
 806         __u32 wr_count;
 807         __u32 sge_count;
 808         __u32 wqe_size;
 809         struct ib_uverbs_recv_wr recv_wr[0];
 810 };
 811
 812 struct ib_uverbs_post_recv_resp {
 813         __u32 bad_wr;
 814 };
 815
 816 struct ib_uverbs_post_srq_recv {
 817         __u64 response;
 818         __u32 srq_handle;
 819         __u32 wr_count;
 820         __u32 sge_count;
 821         __u32 wqe_size;
 822         struct ib_uverbs_recv_wr recv[0];
 823 };
 824
 825 struct ib_uverbs_post_srq_recv_resp {
 826         __u32 bad_wr;
 827 };
 828
 829 struct ib_uverbs_create_ah {
 830         __u64 response;
 831         __u64 user_handle;
 832         __u32 pd_handle;
 833         __u32 reserved;
 834         struct ib_uverbs_ah_attr attr;
 835 };
 836
 837 struct ib_uverbs_create_ah_resp {
 838         __u32 ah_handle;
 839 };
 840
 841 struct ib_uverbs_destroy_ah {
 842         __u32 ah_handle;
 843 };
 844
 845 struct ib_uverbs_attach_mcast {
 846         __u8  gid[16];
 847         __u32 qp_handle;
 848         __u16 mlid;
 849         __u16 reserved;
 850         __u64 driver_data[0];
 851 };
 852
 853 struct ib_uverbs_detach_mcast {
 854         __u8  gid[16];
 855         __u32 qp_handle;
 856         __u16 mlid;
 857         __u16 reserved;
 858         __u64 driver_data[0];
 859 };
 860
 861 struct ib_uverbs_flow_spec_hdr {
 862         __u32 type;
 863         __u16 size;
 864         __u16 reserved;
 865         /* followed by flow_spec */
 866         __u64 flow_spec_data[0];
 867 };
 868
 869 struct ib_uverbs_flow_eth_filter {
 870         __u8  dst_mac[6];
 871         __u8  src_mac[6];
 872         __be16 ether_type;
 873         __be16 vlan_tag;
 874 };
 875
 876 struct ib_uverbs_flow_spec_eth {
 877         union {
 878                 struct ib_uverbs_flow_spec_hdr hdr;
 879                 struct {
 880                         __u32 type;
 881                         __u16 size;
 882                         __u16 reserved;
 883                 };
 884         };
 885         struct ib_uverbs_flow_eth_filter val;
 886         struct ib_uverbs_flow_eth_filter mask;
 887 };
 888
 889 struct ib_uverbs_flow_ipv4_filter {
 890         __be32 src_ip;
 891         __be32 dst_ip;
 892         __u8    proto;
 893         __u8    tos;
 894         __u8    ttl;
 895         __u8    flags;
 896 };
 897
 898 struct ib_uverbs_flow_spec_ipv4 {
 899         union {
 900                 struct ib_uverbs_flow_spec_hdr hdr;
 901                 struct {
 902                         __u32 type;
 903                         __u16 size;
 904                         __u16 reserved;
 905                 };
 906         };
 907         struct ib_uverbs_flow_ipv4_filter val;
 908         struct ib_uverbs_flow_ipv4_filter mask;
 909 };
 910
 911 struct ib_uverbs_flow_tcp_udp_filter {
 912         __be16 dst_port;
 913         __be16 src_port;
 914 };
 915
 916 struct ib_uverbs_flow_spec_tcp_udp {
 917         union {
 918                 struct ib_uverbs_flow_spec_hdr hdr;
 919                 struct {
 920                         __u32 type;
 921                         __u16 size;
 922                         __u16 reserved;
 923                 };
 924         };
 925         struct ib_uverbs_flow_tcp_udp_filter val;
 926         struct ib_uverbs_flow_tcp_udp_filter mask;
 927 };
 928
 929 struct ib_uverbs_flow_ipv6_filter {
 930         __u8    src_ip[16];
 931         __u8    dst_ip[16];
 932         __be32  flow_label;
 933         __u8    next_hdr;
 934         __u8    traffic_class;
 935         __u8    hop_limit;
 936         __u8    reserved;
 937 };
 938
 939 struct ib_uverbs_flow_spec_ipv6 {
 940         union {
 941                 struct ib_uverbs_flow_spec_hdr hdr;
 942                 struct {
 943                         __u32 type;
 944                         __u16 size;
 945                         __u16 reserved;
 946                 };
 947         };
 948         struct ib_uverbs_flow_ipv6_filter val;
 949         struct ib_uverbs_flow_ipv6_filter mask;
 950 };
 951
 952 struct ib_uverbs_flow_spec_action_tag {
 953         union {
 954                 struct ib_uverbs_flow_spec_hdr hdr;
 955                 struct {
 956                         __u32 type;
 957                         __u16 size;
 958                         __u16 reserved;
 959                 };
 960         };
 961         __u32                         tag_id;
 962         __u32                         reserved1;
 963 };
 964
 965 struct ib_uverbs_flow_spec_action_drop {
 966         union {
 967                 struct ib_uverbs_flow_spec_hdr hdr;
 968                 struct {
 969                         __u32 type;
 970                         __u16 size;
 971                         __u16 reserved;
 972                 };
 973         };
 974 };
 975
 976 struct ib_uverbs_flow_tunnel_filter {
 977         __be32 tunnel_id;
 978 };
 979
 980 struct ib_uverbs_flow_spec_tunnel {
 981         union {
 982                 struct ib_uverbs_flow_spec_hdr hdr;
 983                 struct {
 984                         __u32 type;
 985                         __u16 size;
 986                         __u16 reserved;
 987                 };
 988         };
 989         struct ib_uverbs_flow_tunnel_filter val;
 990         struct ib_uverbs_flow_tunnel_filter mask;
 991 };
 992
 993 struct ib_uverbs_flow_attr {
 994         __u32 type;
 995         __u16 size;
 996         __u16 priority;
 997         __u8  num_of_specs;
 998         __u8  reserved[2];
 999         __u8  port;
1000         __u32 flags;
1001         /* Following are the optional layers according to user request
1002          * struct ib_flow_spec_xxx
1003          * struct ib_flow_spec_yyy
1004          */
1005         struct ib_uverbs_flow_spec_hdr flow_specs[0];
1006 };
1007
1008 struct ib_uverbs_create_flow  {
1009         __u32 comp_mask;
1010         __u32 qp_handle;
1011         struct ib_uverbs_flow_attr flow_attr;
1012 };
1013
1014 struct ib_uverbs_create_flow_resp {
1015         __u32 comp_mask;
1016         __u32 flow_handle;
1017 };
1018
1019 struct ib_uverbs_destroy_flow  {
1020         __u32 comp_mask;
1021         __u32 flow_handle;
1022 };
1023
1024 struct ib_uverbs_create_srq {
1025         __u64 response;
1026         __u64 user_handle;
1027         __u32 pd_handle;
1028         __u32 max_wr;
1029         __u32 max_sge;
1030         __u32 srq_limit;
1031         __u64 driver_data[0];
1032 };
1033
1034 struct ib_uverbs_create_xsrq {
1035         __u64 response;
1036         __u64 user_handle;
1037         __u32 srq_type;
1038         __u32 pd_handle;
1039         __u32 max_wr;
1040         __u32 max_sge;
1041         __u32 srq_limit;
1042         __u32 max_num_tags;
1043         __u32 xrcd_handle;
1044         __u32 cq_handle;
1045         __u64 driver_data[0];
1046 };
1047
1048 struct ib_uverbs_create_srq_resp {
1049         __u32 srq_handle;
1050         __u32 max_wr;
1051         __u32 max_sge;
1052         __u32 srqn;
1053 };
1054
1055 struct ib_uverbs_modify_srq {
1056         __u32 srq_handle;
1057         __u32 attr_mask;
1058         __u32 max_wr;
1059         __u32 srq_limit;
1060         __u64 driver_data[0];
1061 };
1062
1063 struct ib_uverbs_query_srq {
1064         __u64 response;
1065         __u32 srq_handle;
1066         __u32 reserved;
1067         __u64 driver_data[0];
1068 };
1069
1070 struct ib_uverbs_query_srq_resp {
1071         __u32 max_wr;
1072         __u32 max_sge;
1073         __u32 srq_limit;
1074         __u32 reserved;
1075 };
1076
1077 struct ib_uverbs_destroy_srq {
1078         __u64 response;
1079         __u32 srq_handle;
1080         __u32 reserved;
1081 };
1082
1083 struct ib_uverbs_destroy_srq_resp {
1084         __u32 events_reported;
1085 };
1086
1087 struct ib_uverbs_ex_create_wq  {
1088         __u32 comp_mask;
1089         __u32 wq_type;
1090         __u64 user_handle;
1091         __u32 pd_handle;
1092         __u32 cq_handle;
1093         __u32 max_wr;
1094         __u32 max_sge;
1095         __u32 create_flags; /* Use enum ib_wq_flags */
1096         __u32 reserved;
1097 };
1098
1099 struct ib_uverbs_ex_create_wq_resp {
1100         __u32 comp_mask;
1101         __u32 response_length;
1102         __u32 wq_handle;
1103         __u32 max_wr;
1104         __u32 max_sge;
1105         __u32 wqn;
1106 };
1107
1108 struct ib_uverbs_ex_destroy_wq  {
1109         __u32 comp_mask;
1110         __u32 wq_handle;
1111 };
1112
1113 struct ib_uverbs_ex_destroy_wq_resp {
1114         __u32 comp_mask;
1115         __u32 response_length;
1116         __u32 events_reported;
1117         __u32 reserved;
1118 };
1119
1120 struct ib_uverbs_ex_modify_wq  {
1121         __u32 attr_mask;
1122         __u32 wq_handle;
1123         __u32 wq_state;
1124         __u32 curr_wq_state;
1125         __u32 flags; /* Use enum ib_wq_flags */
1126         __u32 flags_mask; /* Use enum ib_wq_flags */
1127 };
1128
1129 /* Prevent memory allocation rather than max expected size */
1130 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d
1131 struct ib_uverbs_ex_create_rwq_ind_table  {
1132         __u32 comp_mask;
1133         __u32 log_ind_tbl_size;
1134         /* Following are the wq handles according to log_ind_tbl_size
1135          * wq_handle1
1136          * wq_handle2
1137          */
1138         __u32 wq_handles[0];
1139 };
1140
1141 struct ib_uverbs_ex_create_rwq_ind_table_resp {
1142         __u32 comp_mask;
1143         __u32 response_length;
1144         __u32 ind_tbl_handle;
1145         __u32 ind_tbl_num;
1146 };
1147
1148 struct ib_uverbs_ex_destroy_rwq_ind_table  {
1149         __u32 comp_mask;
1150         __u32 ind_tbl_handle;
1151 };
1152
1153 #define IB_DEVICE_NAME_MAX 64
1154
1155 #endif /* IB_USER_VERBS_H */