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_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
  97         IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
  98         IB_USER_VERBS_EX_CMD_CREATE_WQ,
  99         IB_USER_VERBS_EX_CMD_MODIFY_WQ,
 100         IB_USER_VERBS_EX_CMD_DESTROY_WQ,
 101         IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL,
 102         IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL
 103 };
 104
 105 /*
 106  * Make sure that all structs defined in this file remain laid out so
 107  * that they pack the same way on 32-bit and 64-bit architectures (to
 108  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 109  * Specifically:
 110  *  - Do not use pointer types -- pass pointers in __u64 instead.
 111  *  - Make sure that any structure larger than 4 bytes is padded to a
 112  *    multiple of 8 bytes.  Otherwise the structure size will be
 113  *    different between 32-bit and 64-bit architectures.
 114  */
 115
 116 struct ib_uverbs_async_event_desc {
 117         __u64 element;
 118         __u32 event_type;       /* enum ib_event_type */
 119         __u32 reserved;
 120 };
 121
 122 struct ib_uverbs_comp_event_desc {
 123         __u64 cq_handle;
 124 };
 125
 126 /*
 127  * All commands from userspace should start with a __u32 command field
 128  * followed by __u16 in_words and out_words fields (which give the
 129  * length of the command block and response buffer if any in 32-bit
 130  * words).  The kernel driver will read these fields first and read
 131  * the rest of the command struct based on these value.
 132  */
 133
 134 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff
 135 #define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u
 136 #define IB_USER_VERBS_CMD_FLAGS_SHIFT 24
 137
 138 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80
 139
 140 struct ib_uverbs_cmd_hdr {
 141         __u32 command;
 142         __u16 in_words;
 143         __u16 out_words;
 144 };
 145
 146 struct ib_uverbs_ex_cmd_hdr {
 147         __u64 response;
 148         __u16 provider_in_words;
 149         __u16 provider_out_words;
 150         __u32 cmd_hdr_reserved;
 151 };
 152
 153 struct ib_uverbs_get_context {
 154         __u64 response;
 155         __u64 driver_data[0];
 156 };
 157
 158 struct ib_uverbs_get_context_resp {
 159         __u32 async_fd;
 160         __u32 num_comp_vectors;
 161 };
 162
 163 struct ib_uverbs_query_device {
 164         __u64 response;
 165         __u64 driver_data[0];
 166 };
 167
 168 struct ib_uverbs_query_device_resp {
 169         __u64 fw_ver;
 170         __be64 node_guid;
 171         __be64 sys_image_guid;
 172         __u64 max_mr_size;
 173         __u64 page_size_cap;
 174         __u32 vendor_id;
 175         __u32 vendor_part_id;
 176         __u32 hw_ver;
 177         __u32 max_qp;
 178         __u32 max_qp_wr;
 179         __u32 device_cap_flags;
 180         __u32 max_sge;
 181         __u32 max_sge_rd;
 182         __u32 max_cq;
 183         __u32 max_cqe;
 184         __u32 max_mr;
 185         __u32 max_pd;
 186         __u32 max_qp_rd_atom;
 187         __u32 max_ee_rd_atom;
 188         __u32 max_res_rd_atom;
 189         __u32 max_qp_init_rd_atom;
 190         __u32 max_ee_init_rd_atom;
 191         __u32 atomic_cap;
 192         __u32 max_ee;
 193         __u32 max_rdd;
 194         __u32 max_mw;
 195         __u32 max_raw_ipv6_qp;
 196         __u32 max_raw_ethy_qp;
 197         __u32 max_mcast_grp;
 198         __u32 max_mcast_qp_attach;
 199         __u32 max_total_mcast_qp_attach;
 200         __u32 max_ah;
 201         __u32 max_fmr;
 202         __u32 max_map_per_fmr;
 203         __u32 max_srq;
 204         __u32 max_srq_wr;
 205         __u32 max_srq_sge;
 206         __u16 max_pkeys;
 207         __u8  local_ca_ack_delay;
 208         __u8  phys_port_cnt;
 209         __u8  reserved[4];
 210 };
 211
 212 struct ib_uverbs_ex_query_device {
 213         __u32 comp_mask;
 214         __u32 reserved;
 215 };
 216
 217 struct ib_uverbs_odp_caps {
 218         __u64 general_caps;
 219         struct {
 220                 __u32 rc_odp_caps;
 221                 __u32 uc_odp_caps;
 222                 __u32 ud_odp_caps;
 223         } per_transport_caps;
 224         __u32 reserved;
 225 };
 226
 227 struct ib_uverbs_rss_caps {
 228         /* Corresponding bit will be set if qp type from
 229          * 'enum ib_qp_type' is supported, e.g.
 230          * supported_qpts |= 1 << IB_QPT_UD
 231          */
 232         __u32 supported_qpts;
 233         __u32 max_rwq_indirection_tables;
 234         __u32 max_rwq_indirection_table_size;
 235         __u32 reserved;
 236 };
 237
 238 struct ib_uverbs_ex_query_device_resp {
 239         struct ib_uverbs_query_device_resp base;
 240         __u32 comp_mask;
 241         __u32 response_length;
 242         struct ib_uverbs_odp_caps odp_caps;
 243         __u64 timestamp_mask;
 244         __u64 hca_core_clock; /* in KHZ */
 245         __u64 device_cap_flags_ex;
 246         struct ib_uverbs_rss_caps rss_caps;
 247         __u32  max_wq_type_rq;
 248         __u32 reserved;
 249 };
 250
 251 struct ib_uverbs_query_port {
 252         __u64 response;
 253         __u8  port_num;
 254         __u8  reserved[7];
 255         __u64 driver_data[0];
 256 };
 257
 258 struct ib_uverbs_query_port_resp {
 259         __u32 port_cap_flags;
 260         __u32 max_msg_sz;
 261         __u32 bad_pkey_cntr;
 262         __u32 qkey_viol_cntr;
 263         __u32 gid_tbl_len;
 264         __u16 pkey_tbl_len;
 265         __u16 lid;
 266         __u16 sm_lid;
 267         __u8  state;
 268         __u8  max_mtu;
 269         __u8  active_mtu;
 270         __u8  lmc;
 271         __u8  max_vl_num;
 272         __u8  sm_sl;
 273         __u8  subnet_timeout;
 274         __u8  init_type_reply;
 275         __u8  active_width;
 276         __u8  active_speed;
 277         __u8  phys_state;
 278         __u8  link_layer;
 279         __u8  reserved[2];
 280 };
 281
 282 struct ib_uverbs_alloc_pd {
 283         __u64 response;
 284         __u64 driver_data[0];
 285 };
 286
 287 struct ib_uverbs_alloc_pd_resp {
 288         __u32 pd_handle;
 289 };
 290
 291 struct ib_uverbs_dealloc_pd {
 292         __u32 pd_handle;
 293 };
 294
 295 struct ib_uverbs_open_xrcd {
 296         __u64 response;
 297         __u32 fd;
 298         __u32 oflags;
 299         __u64 driver_data[0];
 300 };
 301
 302 struct ib_uverbs_open_xrcd_resp {
 303         __u32 xrcd_handle;
 304 };
 305
 306 struct ib_uverbs_close_xrcd {
 307         __u32 xrcd_handle;
 308 };
 309
 310 struct ib_uverbs_reg_mr {
 311         __u64 response;
 312         __u64 start;
 313         __u64 length;
 314         __u64 hca_va;
 315         __u32 pd_handle;
 316         __u32 access_flags;
 317         __u64 driver_data[0];
 318 };
 319
 320 struct ib_uverbs_reg_mr_resp {
 321         __u32 mr_handle;
 322         __u32 lkey;
 323         __u32 rkey;
 324 };
 325
 326 struct ib_uverbs_rereg_mr {
 327         __u64 response;
 328         __u32 mr_handle;
 329         __u32 flags;
 330         __u64 start;
 331         __u64 length;
 332         __u64 hca_va;
 333         __u32 pd_handle;
 334         __u32 access_flags;
 335 };
 336
 337 struct ib_uverbs_rereg_mr_resp {
 338         __u32 lkey;
 339         __u32 rkey;
 340 };
 341
 342 struct ib_uverbs_dereg_mr {
 343         __u32 mr_handle;
 344 };
 345
 346 struct ib_uverbs_alloc_mw {
 347         __u64 response;
 348         __u32 pd_handle;
 349         __u8  mw_type;
 350         __u8  reserved[3];
 351 };
 352
 353 struct ib_uverbs_alloc_mw_resp {
 354         __u32 mw_handle;
 355         __u32 rkey;
 356 };
 357
 358 struct ib_uverbs_dealloc_mw {
 359         __u32 mw_handle;
 360 };
 361
 362 struct ib_uverbs_create_comp_channel {
 363         __u64 response;
 364 };
 365
 366 struct ib_uverbs_create_comp_channel_resp {
 367         __u32 fd;
 368 };
 369
 370 struct ib_uverbs_create_cq {
 371         __u64 response;
 372         __u64 user_handle;
 373         __u32 cqe;
 374         __u32 comp_vector;
 375         __s32 comp_channel;
 376         __u32 reserved;
 377         __u64 driver_data[0];
 378 };
 379
 380 struct ib_uverbs_ex_create_cq {
 381         __u64 user_handle;
 382         __u32 cqe;
 383         __u32 comp_vector;
 384         __s32 comp_channel;
 385         __u32 comp_mask;
 386         __u32 flags;
 387         __u32 reserved;
 388 };
 389
 390 struct ib_uverbs_create_cq_resp {
 391         __u32 cq_handle;
 392         __u32 cqe;
 393 };
 394
 395 struct ib_uverbs_ex_create_cq_resp {
 396         struct ib_uverbs_create_cq_resp base;
 397         __u32 comp_mask;
 398         __u32 response_length;
 399 };
 400
 401 struct ib_uverbs_resize_cq {
 402         __u64 response;
 403         __u32 cq_handle;
 404         __u32 cqe;
 405         __u64 driver_data[0];
 406 };
 407
 408 struct ib_uverbs_resize_cq_resp {
 409         __u32 cqe;
 410         __u32 reserved;
 411         __u64 driver_data[0];
 412 };
 413
 414 struct ib_uverbs_poll_cq {
 415         __u64 response;
 416         __u32 cq_handle;
 417         __u32 ne;
 418 };
 419
 420 struct ib_uverbs_wc {
 421         __u64 wr_id;
 422         __u32 status;
 423         __u32 opcode;
 424         __u32 vendor_err;
 425         __u32 byte_len;
 426         union {
 427                 __u32 imm_data;
 428                 __u32 invalidate_rkey;
 429         } ex;
 430         __u32 qp_num;
 431         __u32 src_qp;
 432         __u32 wc_flags;
 433         __u16 pkey_index;
 434         __u16 slid;
 435         __u8 sl;
 436         __u8 dlid_path_bits;
 437         __u8 port_num;
 438         __u8 reserved;
 439 };
 440
 441 struct ib_uverbs_poll_cq_resp {
 442         __u32 count;
 443         __u32 reserved;
 444         struct ib_uverbs_wc wc[0];
 445 };
 446
 447 struct ib_uverbs_req_notify_cq {
 448         __u32 cq_handle;
 449         __u32 solicited_only;
 450 };
 451
 452 struct ib_uverbs_destroy_cq {
 453         __u64 response;
 454         __u32 cq_handle;
 455         __u32 reserved;
 456 };
 457
 458 struct ib_uverbs_destroy_cq_resp {
 459         __u32 comp_events_reported;
 460         __u32 async_events_reported;
 461 };
 462
 463 struct ib_uverbs_global_route {
 464         __u8  dgid[16];
 465         __u32 flow_label;
 466         __u8  sgid_index;
 467         __u8  hop_limit;
 468         __u8  traffic_class;
 469         __u8  reserved;
 470 };
 471
 472 struct ib_uverbs_ah_attr {
 473         struct ib_uverbs_global_route grh;
 474         __u16 dlid;
 475         __u8  sl;
 476         __u8  src_path_bits;
 477         __u8  static_rate;
 478         __u8  is_global;
 479         __u8  port_num;
 480         __u8  reserved;
 481 };
 482
 483 struct ib_uverbs_qp_attr {
 484         __u32   qp_attr_mask;
 485         __u32   qp_state;
 486         __u32   cur_qp_state;
 487         __u32   path_mtu;
 488         __u32   path_mig_state;
 489         __u32   qkey;
 490         __u32   rq_psn;
 491         __u32   sq_psn;
 492         __u32   dest_qp_num;
 493         __u32   qp_access_flags;
 494
 495         struct ib_uverbs_ah_attr ah_attr;
 496         struct ib_uverbs_ah_attr alt_ah_attr;
 497
 498         /* ib_qp_cap */
 499         __u32   max_send_wr;
 500         __u32   max_recv_wr;
 501         __u32   max_send_sge;
 502         __u32   max_recv_sge;
 503         __u32   max_inline_data;
 504
 505         __u16   pkey_index;
 506         __u16   alt_pkey_index;
 507         __u8    en_sqd_async_notify;
 508         __u8    sq_draining;
 509         __u8    max_rd_atomic;
 510         __u8    max_dest_rd_atomic;
 511         __u8    min_rnr_timer;
 512         __u8    port_num;
 513         __u8    timeout;
 514         __u8    retry_cnt;
 515         __u8    rnr_retry;
 516         __u8    alt_port_num;
 517         __u8    alt_timeout;
 518         __u8    reserved[5];
 519 };
 520
 521 struct ib_uverbs_create_qp {
 522         __u64 response;
 523         __u64 user_handle;
 524         __u32 pd_handle;
 525         __u32 send_cq_handle;
 526         __u32 recv_cq_handle;
 527         __u32 srq_handle;
 528         __u32 max_send_wr;
 529         __u32 max_recv_wr;
 530         __u32 max_send_sge;
 531         __u32 max_recv_sge;
 532         __u32 max_inline_data;
 533         __u8  sq_sig_all;
 534         __u8  qp_type;
 535         __u8  is_srq;
 536         __u8  reserved;
 537         __u64 driver_data[0];
 538 };
 539
 540 enum ib_uverbs_create_qp_mask {
 541         IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0,
 542 };
 543
 544 enum {
 545         IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE,
 546 };
 547
 548 struct ib_uverbs_ex_create_qp {
 549         __u64 user_handle;
 550         __u32 pd_handle;
 551         __u32 send_cq_handle;
 552         __u32 recv_cq_handle;
 553         __u32 srq_handle;
 554         __u32 max_send_wr;
 555         __u32 max_recv_wr;
 556         __u32 max_send_sge;
 557         __u32 max_recv_sge;
 558         __u32 max_inline_data;
 559         __u8  sq_sig_all;
 560         __u8  qp_type;
 561         __u8  is_srq;
 562         __u8 reserved;
 563         __u32 comp_mask;
 564         __u32 create_flags;
 565         __u32 rwq_ind_tbl_handle;
 566         __u32  reserved1;
 567 };
 568
 569 struct ib_uverbs_open_qp {
 570         __u64 response;
 571         __u64 user_handle;
 572         __u32 pd_handle;
 573         __u32 qpn;
 574         __u8  qp_type;
 575         __u8  reserved[7];
 576         __u64 driver_data[0];
 577 };
 578
 579 /* also used for open response */
 580 struct ib_uverbs_create_qp_resp {
 581         __u32 qp_handle;
 582         __u32 qpn;
 583         __u32 max_send_wr;
 584         __u32 max_recv_wr;
 585         __u32 max_send_sge;
 586         __u32 max_recv_sge;
 587         __u32 max_inline_data;
 588         __u32 reserved;
 589 };
 590
 591 struct ib_uverbs_ex_create_qp_resp {
 592         struct ib_uverbs_create_qp_resp base;
 593         __u32 comp_mask;
 594         __u32 response_length;
 595 };
 596
 597 /*
 598  * This struct needs to remain a multiple of 8 bytes to keep the
 599  * alignment of the modify QP parameters.
 600  */
 601 struct ib_uverbs_qp_dest {
 602         __u8  dgid[16];
 603         __u32 flow_label;
 604         __u16 dlid;
 605         __u16 reserved;
 606         __u8  sgid_index;
 607         __u8  hop_limit;
 608         __u8  traffic_class;
 609         __u8  sl;
 610         __u8  src_path_bits;
 611         __u8  static_rate;
 612         __u8  is_global;
 613         __u8  port_num;
 614 };
 615
 616 struct ib_uverbs_query_qp {
 617         __u64 response;
 618         __u32 qp_handle;
 619         __u32 attr_mask;
 620         __u64 driver_data[0];
 621 };
 622
 623 struct ib_uverbs_query_qp_resp {
 624         struct ib_uverbs_qp_dest dest;
 625         struct ib_uverbs_qp_dest alt_dest;
 626         __u32 max_send_wr;
 627         __u32 max_recv_wr;
 628         __u32 max_send_sge;
 629         __u32 max_recv_sge;
 630         __u32 max_inline_data;
 631         __u32 qkey;
 632         __u32 rq_psn;
 633         __u32 sq_psn;
 634         __u32 dest_qp_num;
 635         __u32 qp_access_flags;
 636         __u16 pkey_index;
 637         __u16 alt_pkey_index;
 638         __u8  qp_state;
 639         __u8  cur_qp_state;
 640         __u8  path_mtu;
 641         __u8  path_mig_state;
 642         __u8  sq_draining;
 643         __u8  max_rd_atomic;
 644         __u8  max_dest_rd_atomic;
 645         __u8  min_rnr_timer;
 646         __u8  port_num;
 647         __u8  timeout;
 648         __u8  retry_cnt;
 649         __u8  rnr_retry;
 650         __u8  alt_port_num;
 651         __u8  alt_timeout;
 652         __u8  sq_sig_all;
 653         __u8  reserved[5];
 654         __u64 driver_data[0];
 655 };
 656
 657 struct ib_uverbs_modify_qp {
 658         struct ib_uverbs_qp_dest dest;
 659         struct ib_uverbs_qp_dest alt_dest;
 660         __u32 qp_handle;
 661         __u32 attr_mask;
 662         __u32 qkey;
 663         __u32 rq_psn;
 664         __u32 sq_psn;
 665         __u32 dest_qp_num;
 666         __u32 qp_access_flags;
 667         __u16 pkey_index;
 668         __u16 alt_pkey_index;
 669         __u8  qp_state;
 670         __u8  cur_qp_state;
 671         __u8  path_mtu;
 672         __u8  path_mig_state;
 673         __u8  en_sqd_async_notify;
 674         __u8  max_rd_atomic;
 675         __u8  max_dest_rd_atomic;
 676         __u8  min_rnr_timer;
 677         __u8  port_num;
 678         __u8  timeout;
 679         __u8  retry_cnt;
 680         __u8  rnr_retry;
 681         __u8  alt_port_num;
 682         __u8  alt_timeout;
 683         __u8  reserved[2];
 684         __u64 driver_data[0];
 685 };
 686
 687 struct ib_uverbs_modify_qp_resp {
 688 };
 689
 690 struct ib_uverbs_destroy_qp {
 691         __u64 response;
 692         __u32 qp_handle;
 693         __u32 reserved;
 694 };
 695
 696 struct ib_uverbs_destroy_qp_resp {
 697         __u32 events_reported;
 698 };
 699
 700 /*
 701  * The ib_uverbs_sge structure isn't used anywhere, since we assume
 702  * the ib_sge structure is packed the same way on 32-bit and 64-bit
 703  * architectures in both kernel and user space.  It's just here to
 704  * document the ABI.
 705  */
 706 struct ib_uverbs_sge {
 707         __u64 addr;
 708         __u32 length;
 709         __u32 lkey;
 710 };
 711
 712 struct ib_uverbs_send_wr {
 713         __u64 wr_id;
 714         __u32 num_sge;
 715         __u32 opcode;
 716         __u32 send_flags;
 717         union {
 718                 __u32 imm_data;
 719                 __u32 invalidate_rkey;
 720         } ex;
 721         union {
 722                 struct {
 723                         __u64 remote_addr;
 724                         __u32 rkey;
 725                         __u32 reserved;
 726                 } rdma;
 727                 struct {
 728                         __u64 remote_addr;
 729                         __u64 compare_add;
 730                         __u64 swap;
 731                         __u32 rkey;
 732                         __u32 reserved;
 733                 } atomic;
 734                 struct {
 735                         __u32 ah;
 736                         __u32 remote_qpn;
 737                         __u32 remote_qkey;
 738                         __u32 reserved;
 739                 } ud;
 740         } wr;
 741 };
 742
 743 struct ib_uverbs_post_send {
 744         __u64 response;
 745         __u32 qp_handle;
 746         __u32 wr_count;
 747         __u32 sge_count;
 748         __u32 wqe_size;
 749         struct ib_uverbs_send_wr send_wr[0];
 750 };
 751
 752 struct ib_uverbs_post_send_resp {
 753         __u32 bad_wr;
 754 };
 755
 756 struct ib_uverbs_recv_wr {
 757         __u64 wr_id;
 758         __u32 num_sge;
 759         __u32 reserved;
 760 };
 761
 762 struct ib_uverbs_post_recv {
 763         __u64 response;
 764         __u32 qp_handle;
 765         __u32 wr_count;
 766         __u32 sge_count;
 767         __u32 wqe_size;
 768         struct ib_uverbs_recv_wr recv_wr[0];
 769 };
 770
 771 struct ib_uverbs_post_recv_resp {
 772         __u32 bad_wr;
 773 };
 774
 775 struct ib_uverbs_post_srq_recv {
 776         __u64 response;
 777         __u32 srq_handle;
 778         __u32 wr_count;
 779         __u32 sge_count;
 780         __u32 wqe_size;
 781         struct ib_uverbs_recv_wr recv[0];
 782 };
 783
 784 struct ib_uverbs_post_srq_recv_resp {
 785         __u32 bad_wr;
 786 };
 787
 788 struct ib_uverbs_create_ah {
 789         __u64 response;
 790         __u64 user_handle;
 791         __u32 pd_handle;
 792         __u32 reserved;
 793         struct ib_uverbs_ah_attr attr;
 794 };
 795
 796 struct ib_uverbs_create_ah_resp {
 797         __u32 ah_handle;
 798 };
 799
 800 struct ib_uverbs_destroy_ah {
 801         __u32 ah_handle;
 802 };
 803
 804 struct ib_uverbs_attach_mcast {
 805         __u8  gid[16];
 806         __u32 qp_handle;
 807         __u16 mlid;
 808         __u16 reserved;
 809         __u64 driver_data[0];
 810 };
 811
 812 struct ib_uverbs_detach_mcast {
 813         __u8  gid[16];
 814         __u32 qp_handle;
 815         __u16 mlid;
 816         __u16 reserved;
 817         __u64 driver_data[0];
 818 };
 819
 820 struct ib_uverbs_flow_spec_hdr {
 821         __u32 type;
 822         __u16 size;
 823         __u16 reserved;
 824         /* followed by flow_spec */
 825         __u64 flow_spec_data[0];
 826 };
 827
 828 struct ib_uverbs_flow_eth_filter {
 829         __u8  dst_mac[6];
 830         __u8  src_mac[6];
 831         __be16 ether_type;
 832         __be16 vlan_tag;
 833 };
 834
 835 struct ib_uverbs_flow_spec_eth {
 836         union {
 837                 struct ib_uverbs_flow_spec_hdr hdr;
 838                 struct {
 839                         __u32 type;
 840                         __u16 size;
 841                         __u16 reserved;
 842                 };
 843         };
 844         struct ib_uverbs_flow_eth_filter val;
 845         struct ib_uverbs_flow_eth_filter mask;
 846 };
 847
 848 struct ib_uverbs_flow_ipv4_filter {
 849         __be32 src_ip;
 850         __be32 dst_ip;
 851         __u8    proto;
 852         __u8    tos;
 853         __u8    ttl;
 854         __u8    flags;
 855 };
 856
 857 struct ib_uverbs_flow_spec_ipv4 {
 858         union {
 859                 struct ib_uverbs_flow_spec_hdr hdr;
 860                 struct {
 861                         __u32 type;
 862                         __u16 size;
 863                         __u16 reserved;
 864                 };
 865         };
 866         struct ib_uverbs_flow_ipv4_filter val;
 867         struct ib_uverbs_flow_ipv4_filter mask;
 868 };
 869
 870 struct ib_uverbs_flow_tcp_udp_filter {
 871         __be16 dst_port;
 872         __be16 src_port;
 873 };
 874
 875 struct ib_uverbs_flow_spec_tcp_udp {
 876         union {
 877                 struct ib_uverbs_flow_spec_hdr hdr;
 878                 struct {
 879                         __u32 type;
 880                         __u16 size;
 881                         __u16 reserved;
 882                 };
 883         };
 884         struct ib_uverbs_flow_tcp_udp_filter val;
 885         struct ib_uverbs_flow_tcp_udp_filter mask;
 886 };
 887
 888 struct ib_uverbs_flow_ipv6_filter {
 889         __u8    src_ip[16];
 890         __u8    dst_ip[16];
 891         __be32  flow_label;
 892         __u8    next_hdr;
 893         __u8    traffic_class;
 894         __u8    hop_limit;
 895         __u8    reserved;
 896 };
 897
 898 struct ib_uverbs_flow_spec_ipv6 {
 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_ipv6_filter val;
 908         struct ib_uverbs_flow_ipv6_filter mask;
 909 };
 910
 911 struct ib_uverbs_flow_attr {
 912         __u32 type;
 913         __u16 size;
 914         __u16 priority;
 915         __u8  num_of_specs;
 916         __u8  reserved[2];
 917         __u8  port;
 918         __u32 flags;
 919         /* Following are the optional layers according to user request
 920          * struct ib_flow_spec_xxx
 921          * struct ib_flow_spec_yyy
 922          */
 923         struct ib_uverbs_flow_spec_hdr flow_specs[0];
 924 };
 925
 926 struct ib_uverbs_create_flow  {
 927         __u32 comp_mask;
 928         __u32 qp_handle;
 929         struct ib_uverbs_flow_attr flow_attr;
 930 };
 931
 932 struct ib_uverbs_create_flow_resp {
 933         __u32 comp_mask;
 934         __u32 flow_handle;
 935 };
 936
 937 struct ib_uverbs_destroy_flow  {
 938         __u32 comp_mask;
 939         __u32 flow_handle;
 940 };
 941
 942 struct ib_uverbs_create_srq {
 943         __u64 response;
 944         __u64 user_handle;
 945         __u32 pd_handle;
 946         __u32 max_wr;
 947         __u32 max_sge;
 948         __u32 srq_limit;
 949         __u64 driver_data[0];
 950 };
 951
 952 struct ib_uverbs_create_xsrq {
 953         __u64 response;
 954         __u64 user_handle;
 955         __u32 srq_type;
 956         __u32 pd_handle;
 957         __u32 max_wr;
 958         __u32 max_sge;
 959         __u32 srq_limit;
 960         __u32 reserved;
 961         __u32 xrcd_handle;
 962         __u32 cq_handle;
 963         __u64 driver_data[0];
 964 };
 965
 966 struct ib_uverbs_create_srq_resp {
 967         __u32 srq_handle;
 968         __u32 max_wr;
 969         __u32 max_sge;
 970         __u32 srqn;
 971 };
 972
 973 struct ib_uverbs_modify_srq {
 974         __u32 srq_handle;
 975         __u32 attr_mask;
 976         __u32 max_wr;
 977         __u32 srq_limit;
 978         __u64 driver_data[0];
 979 };
 980
 981 struct ib_uverbs_query_srq {
 982         __u64 response;
 983         __u32 srq_handle;
 984         __u32 reserved;
 985         __u64 driver_data[0];
 986 };
 987
 988 struct ib_uverbs_query_srq_resp {
 989         __u32 max_wr;
 990         __u32 max_sge;
 991         __u32 srq_limit;
 992         __u32 reserved;
 993 };
 994
 995 struct ib_uverbs_destroy_srq {
 996         __u64 response;
 997         __u32 srq_handle;
 998         __u32 reserved;
 999 };
1000
1001 struct ib_uverbs_destroy_srq_resp {
1002         __u32 events_reported;
1003 };
1004
1005 struct ib_uverbs_ex_create_wq  {
1006         __u32 comp_mask;
1007         __u32 wq_type;
1008         __u64 user_handle;
1009         __u32 pd_handle;
1010         __u32 cq_handle;
1011         __u32 max_wr;
1012         __u32 max_sge;
1013 };
1014
1015 struct ib_uverbs_ex_create_wq_resp {
1016         __u32 comp_mask;
1017         __u32 response_length;
1018         __u32 wq_handle;
1019         __u32 max_wr;
1020         __u32 max_sge;
1021         __u32 wqn;
1022 };
1023
1024 struct ib_uverbs_ex_destroy_wq  {
1025         __u32 comp_mask;
1026         __u32 wq_handle;
1027 };
1028
1029 struct ib_uverbs_ex_destroy_wq_resp {
1030         __u32 comp_mask;
1031         __u32 response_length;
1032         __u32 events_reported;
1033         __u32 reserved;
1034 };
1035
1036 struct ib_uverbs_ex_modify_wq  {
1037         __u32 attr_mask;
1038         __u32 wq_handle;
1039         __u32 wq_state;
1040         __u32 curr_wq_state;
1041 };
1042
1043 /* Prevent memory allocation rather than max expected size */
1044 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d
1045 struct ib_uverbs_ex_create_rwq_ind_table  {
1046         __u32 comp_mask;
1047         __u32 log_ind_tbl_size;
1048         /* Following are the wq handles according to log_ind_tbl_size
1049          * wq_handle1
1050          * wq_handle2
1051          */
1052         __u32 wq_handles[0];
1053 };
1054
1055 struct ib_uverbs_ex_create_rwq_ind_table_resp {
1056         __u32 comp_mask;
1057         __u32 response_length;
1058         __u32 ind_tbl_handle;
1059         __u32 ind_tbl_num;
1060 };
1061
1062 struct ib_uverbs_ex_destroy_rwq_ind_table  {
1063         __u32 comp_mask;
1064         __u32 ind_tbl_handle;
1065 };
1066
1067 #endif /* IB_USER_VERBS_H */