include/linux/mlx5/qp.h

   1 /*
   2  * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #ifndef MLX5_QP_H
  34 #define MLX5_QP_H
  35
  36 #include <linux/mlx5/device.h>
  37 #include <linux/mlx5/driver.h>
  38
  39 #define MLX5_INVALID_LKEY       0x100
  40 #define MLX5_SIG_WQE_SIZE       (MLX5_SEND_WQE_BB * 5)
  41 #define MLX5_DIF_SIZE           8
  42 #define MLX5_STRIDE_BLOCK_OP    0x400
  43 #define MLX5_CPY_GRD_MASK       0xc0
  44 #define MLX5_CPY_APP_MASK       0x30
  45 #define MLX5_CPY_REF_MASK       0x0f
  46 #define MLX5_BSF_INC_REFTAG     (1 << 6)
  47 #define MLX5_BSF_INL_VALID      (1 << 15)
  48 #define MLX5_BSF_REFRESH_DIF    (1 << 14)
  49 #define MLX5_BSF_REPEAT_BLOCK   (1 << 7)
  50 #define MLX5_BSF_APPTAG_ESCAPE  0x1
  51 #define MLX5_BSF_APPREF_ESCAPE  0x2
  52
  53 #define MLX5_QPN_BITS           24
  54 #define MLX5_QPN_MASK           ((1 << MLX5_QPN_BITS) - 1)
  55
  56 enum mlx5_qp_optpar {
  57         MLX5_QP_OPTPAR_ALT_ADDR_PATH            = 1 << 0,
  58         MLX5_QP_OPTPAR_RRE                      = 1 << 1,
  59         MLX5_QP_OPTPAR_RAE                      = 1 << 2,
  60         MLX5_QP_OPTPAR_RWE                      = 1 << 3,
  61         MLX5_QP_OPTPAR_PKEY_INDEX               = 1 << 4,
  62         MLX5_QP_OPTPAR_Q_KEY                    = 1 << 5,
  63         MLX5_QP_OPTPAR_RNR_TIMEOUT              = 1 << 6,
  64         MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH        = 1 << 7,
  65         MLX5_QP_OPTPAR_SRA_MAX                  = 1 << 8,
  66         MLX5_QP_OPTPAR_RRA_MAX                  = 1 << 9,
  67         MLX5_QP_OPTPAR_PM_STATE                 = 1 << 10,
  68         MLX5_QP_OPTPAR_RETRY_COUNT              = 1 << 12,
  69         MLX5_QP_OPTPAR_RNR_RETRY                = 1 << 13,
  70         MLX5_QP_OPTPAR_ACK_TIMEOUT              = 1 << 14,
  71         MLX5_QP_OPTPAR_PRI_PORT                 = 1 << 16,
  72         MLX5_QP_OPTPAR_SRQN                     = 1 << 18,
  73         MLX5_QP_OPTPAR_CQN_RCV                  = 1 << 19,
  74         MLX5_QP_OPTPAR_DC_HS                    = 1 << 20,
  75         MLX5_QP_OPTPAR_DC_KEY                   = 1 << 21,
  76 };
  77
  78 enum mlx5_qp_state {
  79         MLX5_QP_STATE_RST                       = 0,
  80         MLX5_QP_STATE_INIT                      = 1,
  81         MLX5_QP_STATE_RTR                       = 2,
  82         MLX5_QP_STATE_RTS                       = 3,
  83         MLX5_QP_STATE_SQER                      = 4,
  84         MLX5_QP_STATE_SQD                       = 5,
  85         MLX5_QP_STATE_ERR                       = 6,
  86         MLX5_QP_STATE_SQ_DRAINING               = 7,
  87         MLX5_QP_STATE_SUSPENDED                 = 9,
  88         MLX5_QP_NUM_STATE,
  89         MLX5_QP_STATE,
  90         MLX5_QP_STATE_BAD,
  91 };
  92
  93 enum {
  94         MLX5_SQ_STATE_NA        = MLX5_SQC_STATE_ERR + 1,
  95         MLX5_SQ_NUM_STATE       = MLX5_SQ_STATE_NA + 1,
  96         MLX5_RQ_STATE_NA        = MLX5_RQC_STATE_ERR + 1,
  97         MLX5_RQ_NUM_STATE       = MLX5_RQ_STATE_NA + 1,
  98 };
  99
 100 enum {
 101         MLX5_QP_ST_RC                           = 0x0,
 102         MLX5_QP_ST_UC                           = 0x1,
 103         MLX5_QP_ST_UD                           = 0x2,
 104         MLX5_QP_ST_XRC                          = 0x3,
 105         MLX5_QP_ST_MLX                          = 0x4,
 106         MLX5_QP_ST_DCI                          = 0x5,
 107         MLX5_QP_ST_DCT                          = 0x6,
 108         MLX5_QP_ST_QP0                          = 0x7,
 109         MLX5_QP_ST_QP1                          = 0x8,
 110         MLX5_QP_ST_RAW_ETHERTYPE                = 0x9,
 111         MLX5_QP_ST_RAW_IPV6                     = 0xa,
 112         MLX5_QP_ST_SNIFFER                      = 0xb,
 113         MLX5_QP_ST_SYNC_UMR                     = 0xe,
 114         MLX5_QP_ST_PTP_1588                     = 0xd,
 115         MLX5_QP_ST_REG_UMR                      = 0xc,
 116         MLX5_QP_ST_MAX
 117 };
 118
 119 enum {
 120         MLX5_QP_PM_MIGRATED                     = 0x3,
 121         MLX5_QP_PM_ARMED                        = 0x0,
 122         MLX5_QP_PM_REARM                        = 0x1
 123 };
 124
 125 enum {
 126         MLX5_NON_ZERO_RQ        = 0 << 24,
 127         MLX5_SRQ_RQ             = 1 << 24,
 128         MLX5_CRQ_RQ             = 2 << 24,
 129         MLX5_ZERO_LEN_RQ        = 3 << 24
 130 };
 131
 132 enum {
 133         /* params1 */
 134         MLX5_QP_BIT_SRE                         = 1 << 15,
 135         MLX5_QP_BIT_SWE                         = 1 << 14,
 136         MLX5_QP_BIT_SAE                         = 1 << 13,
 137         /* params2 */
 138         MLX5_QP_BIT_RRE                         = 1 << 15,
 139         MLX5_QP_BIT_RWE                         = 1 << 14,
 140         MLX5_QP_BIT_RAE                         = 1 << 13,
 141         MLX5_QP_BIT_RIC                         = 1 <<  4,
 142         MLX5_QP_BIT_CC_SLAVE_RECV               = 1 <<  2,
 143         MLX5_QP_BIT_CC_SLAVE_SEND               = 1 <<  1,
 144         MLX5_QP_BIT_CC_MASTER                   = 1 <<  0
 145 };
 146
 147 enum {
 148         MLX5_WQE_CTRL_CQ_UPDATE         = 2 << 2,
 149         MLX5_WQE_CTRL_CQ_UPDATE_AND_EQE = 3 << 2,
 150         MLX5_WQE_CTRL_SOLICITED         = 1 << 1,
 151 };
 152
 153 enum {
 154         MLX5_SEND_WQE_DS        = 16,
 155         MLX5_SEND_WQE_BB        = 64,
 156 };
 157
 158 #define MLX5_SEND_WQEBB_NUM_DS  (MLX5_SEND_WQE_BB / MLX5_SEND_WQE_DS)
 159
 160 enum {
 161         MLX5_SEND_WQE_MAX_WQEBBS        = 16,
 162 };
 163
 164 enum {
 165         MLX5_WQE_FMR_PERM_LOCAL_READ    = 1 << 27,
 166         MLX5_WQE_FMR_PERM_LOCAL_WRITE   = 1 << 28,
 167         MLX5_WQE_FMR_PERM_REMOTE_READ   = 1 << 29,
 168         MLX5_WQE_FMR_PERM_REMOTE_WRITE  = 1 << 30,
 169         MLX5_WQE_FMR_PERM_ATOMIC        = 1 << 31
 170 };
 171
 172 enum {
 173         MLX5_FENCE_MODE_NONE                    = 0 << 5,
 174         MLX5_FENCE_MODE_INITIATOR_SMALL         = 1 << 5,
 175         MLX5_FENCE_MODE_FENCE                   = 2 << 5,
 176         MLX5_FENCE_MODE_STRONG_ORDERING         = 3 << 5,
 177         MLX5_FENCE_MODE_SMALL_AND_FENCE         = 4 << 5,
 178 };
 179
 180 enum {
 181         MLX5_QP_LAT_SENSITIVE   = 1 << 28,
 182         MLX5_QP_BLOCK_MCAST     = 1 << 30,
 183         MLX5_QP_ENABLE_SIG      = 1 << 31,
 184 };
 185
 186 enum {
 187         MLX5_RCV_DBR    = 0,
 188         MLX5_SND_DBR    = 1,
 189 };
 190
 191 enum {
 192         MLX5_FLAGS_INLINE       = 1<<7,
 193         MLX5_FLAGS_CHECK_FREE   = 1<<5,
 194 };
 195
 196 struct mlx5_wqe_fmr_seg {
 197         __be32                  flags;
 198         __be32                  mem_key;
 199         __be64                  buf_list;
 200         __be64                  start_addr;
 201         __be64                  reg_len;
 202         __be32                  offset;
 203         __be32                  page_size;
 204         u32                     reserved[2];
 205 };
 206
 207 struct mlx5_wqe_ctrl_seg {
 208         __be32                  opmod_idx_opcode;
 209         __be32                  qpn_ds;
 210         u8                      signature;
 211         u8                      rsvd[2];
 212         u8                      fm_ce_se;
 213         __be32                  imm;
 214 };
 215
 216 #define MLX5_WQE_CTRL_DS_MASK 0x3f
 217 #define MLX5_WQE_CTRL_QPN_MASK 0xffffff00
 218 #define MLX5_WQE_CTRL_QPN_SHIFT 8
 219 #define MLX5_WQE_DS_UNITS 16
 220 #define MLX5_WQE_CTRL_OPCODE_MASK 0xff
 221 #define MLX5_WQE_CTRL_WQE_INDEX_MASK 0x00ffff00
 222 #define MLX5_WQE_CTRL_WQE_INDEX_SHIFT 8
 223
 224 enum {
 225         MLX5_ETH_WQE_L3_INNER_CSUM      = 1 << 4,
 226         MLX5_ETH_WQE_L4_INNER_CSUM      = 1 << 5,
 227         MLX5_ETH_WQE_L3_CSUM            = 1 << 6,
 228         MLX5_ETH_WQE_L4_CSUM            = 1 << 7,
 229 };
 230
 231 struct mlx5_wqe_eth_seg {
 232         u8              rsvd0[4];
 233         u8              cs_flags;
 234         u8              rsvd1;
 235         __be16          mss;
 236         __be32          rsvd2;
 237         __be16          inline_hdr_sz;
 238         u8              inline_hdr_start[2];
 239 };
 240
 241 struct mlx5_wqe_xrc_seg {
 242         __be32                  xrc_srqn;
 243         u8                      rsvd[12];
 244 };
 245
 246 struct mlx5_wqe_masked_atomic_seg {
 247         __be64                  swap_add;
 248         __be64                  compare;
 249         __be64                  swap_add_mask;
 250         __be64                  compare_mask;
 251 };
 252
 253 struct mlx5_av {
 254         union {
 255                 struct {
 256                         __be32  qkey;
 257                         __be32  reserved;
 258                 } qkey;
 259                 __be64  dc_key;
 260         } key;
 261         __be32  dqp_dct;
 262         u8      stat_rate_sl;
 263         u8      fl_mlid;
 264         union {
 265                 __be16  rlid;
 266                 __be16  udp_sport;
 267         };
 268         u8      reserved0[4];
 269         u8      rmac[6];
 270         u8      tclass;
 271         u8      hop_limit;
 272         __be32  grh_gid_fl;
 273         u8      rgid[16];
 274 };
 275
 276 struct mlx5_wqe_datagram_seg {
 277         struct mlx5_av  av;
 278 };
 279
 280 struct mlx5_wqe_raddr_seg {
 281         __be64                  raddr;
 282         __be32                  rkey;
 283         u32                     reserved;
 284 };
 285
 286 struct mlx5_wqe_atomic_seg {
 287         __be64                  swap_add;
 288         __be64                  compare;
 289 };
 290
 291 struct mlx5_wqe_data_seg {
 292         __be32                  byte_count;
 293         __be32                  lkey;
 294         __be64                  addr;
 295 };
 296
 297 struct mlx5_wqe_umr_ctrl_seg {
 298         u8              flags;
 299         u8              rsvd0[3];
 300         __be16          klm_octowords;
 301         __be16          bsf_octowords;
 302         __be64          mkey_mask;
 303         u8              rsvd1[32];
 304 };
 305
 306 struct mlx5_seg_set_psv {
 307         __be32          psv_num;
 308         __be16          syndrome;
 309         __be16          status;
 310         __be32          transient_sig;
 311         __be32          ref_tag;
 312 };
 313
 314 struct mlx5_seg_get_psv {
 315         u8              rsvd[19];
 316         u8              num_psv;
 317         __be32          l_key;
 318         __be64          va;
 319         __be32          psv_index[4];
 320 };
 321
 322 struct mlx5_seg_check_psv {
 323         u8              rsvd0[2];
 324         __be16          err_coalescing_op;
 325         u8              rsvd1[2];
 326         __be16          xport_err_op;
 327         u8              rsvd2[2];
 328         __be16          xport_err_mask;
 329         u8              rsvd3[7];
 330         u8              num_psv;
 331         __be32          l_key;
 332         __be64          va;
 333         __be32          psv_index[4];
 334 };
 335
 336 struct mlx5_rwqe_sig {
 337         u8      rsvd0[4];
 338         u8      signature;
 339         u8      rsvd1[11];
 340 };
 341
 342 struct mlx5_wqe_signature_seg {
 343         u8      rsvd0[4];
 344         u8      signature;
 345         u8      rsvd1[11];
 346 };
 347
 348 #define MLX5_WQE_INLINE_SEG_BYTE_COUNT_MASK 0x3ff
 349
 350 struct mlx5_wqe_inline_seg {
 351         __be32  byte_count;
 352 };
 353
 354 enum mlx5_sig_type {
 355         MLX5_DIF_CRC = 0x1,
 356         MLX5_DIF_IPCS = 0x2,
 357 };
 358
 359 struct mlx5_bsf_inl {
 360         __be16          vld_refresh;
 361         __be16          dif_apptag;
 362         __be32          dif_reftag;
 363         u8              sig_type;
 364         u8              rp_inv_seed;
 365         u8              rsvd[3];
 366         u8              dif_inc_ref_guard_check;
 367         __be16          dif_app_bitmask_check;
 368 };
 369
 370 struct mlx5_bsf {
 371         struct mlx5_bsf_basic {
 372                 u8              bsf_size_sbs;
 373                 u8              check_byte_mask;
 374                 union {
 375                         u8      copy_byte_mask;
 376                         u8      bs_selector;
 377                         u8      rsvd_wflags;
 378                 } wire;
 379                 union {
 380                         u8      bs_selector;
 381                         u8      rsvd_mflags;
 382                 } mem;
 383                 __be32          raw_data_size;
 384                 __be32          w_bfs_psv;
 385                 __be32          m_bfs_psv;
 386         } basic;
 387         struct mlx5_bsf_ext {
 388                 __be32          t_init_gen_pro_size;
 389                 __be32          rsvd_epi_size;
 390                 __be32          w_tfs_psv;
 391                 __be32          m_tfs_psv;
 392         } ext;
 393         struct mlx5_bsf_inl     w_inl;
 394         struct mlx5_bsf_inl     m_inl;
 395 };
 396
 397 struct mlx5_klm {
 398         __be32          bcount;
 399         __be32          key;
 400         __be64          va;
 401 };
 402
 403 struct mlx5_stride_block_entry {
 404         __be16          stride;
 405         __be16          bcount;
 406         __be32          key;
 407         __be64          va;
 408 };
 409
 410 struct mlx5_stride_block_ctrl_seg {
 411         __be32          bcount_per_cycle;
 412         __be32          op;
 413         __be32          repeat_count;
 414         u16             rsvd;
 415         __be16          num_entries;
 416 };
 417
 418 enum mlx5_pagefault_flags {
 419         MLX5_PFAULT_REQUESTOR = 1 << 0,
 420         MLX5_PFAULT_WRITE     = 1 << 1,
 421         MLX5_PFAULT_RDMA      = 1 << 2,
 422 };
 423
 424 /* Contains the details of a pagefault. */
 425 struct mlx5_pagefault {
 426         u32                     bytes_committed;
 427         u8                      event_subtype;
 428         enum mlx5_pagefault_flags flags;
 429         union {
 430                 /* Initiator or send message responder pagefault details. */
 431                 struct {
 432                         /* Received packet size, only valid for responders. */
 433                         u32     packet_size;
 434                         /*
 435                          * WQE index. Refers to either the send queue or
 436                          * receive queue, according to event_subtype.
 437                          */
 438                         u16     wqe_index;
 439                 } wqe;
 440                 /* RDMA responder pagefault details */
 441                 struct {
 442                         u32     r_key;
 443                         /*
 444                          * Received packet size, minimal size page fault
 445                          * resolution required for forward progress.
 446                          */
 447                         u32     packet_size;
 448                         u32     rdma_op_len;
 449                         u64     rdma_va;
 450                 } rdma;
 451         };
 452 };
 453
 454 struct mlx5_core_qp {
 455         struct mlx5_core_rsc_common     common; /* must be first */
 456         void (*event)           (struct mlx5_core_qp *, int);
 457         void (*pfault_handler)(struct mlx5_core_qp *, struct mlx5_pagefault *);
 458         int                     qpn;
 459         struct mlx5_rsc_debug   *dbg;
 460         int                     pid;
 461 };
 462
 463 struct mlx5_qp_path {
 464         u8                      fl_free_ar;
 465         u8                      rsvd3;
 466         __be16                  pkey_index;
 467         u8                      rsvd0;
 468         u8                      grh_mlid;
 469         __be16                  rlid;
 470         u8                      ackto_lt;
 471         u8                      mgid_index;
 472         u8                      static_rate;
 473         u8                      hop_limit;
 474         __be32                  tclass_flowlabel;
 475         union {
 476                 u8              rgid[16];
 477                 u8              rip[16];
 478         };
 479         u8                      f_dscp_ecn_prio;
 480         u8                      ecn_dscp;
 481         __be16                  udp_sport;
 482         u8                      dci_cfi_prio_sl;
 483         u8                      port;
 484         u8                      rmac[6];
 485 };
 486
 487 struct mlx5_qp_context {
 488         __be32                  flags;
 489         __be32                  flags_pd;
 490         u8                      mtu_msgmax;
 491         u8                      rq_size_stride;
 492         __be16                  sq_crq_size;
 493         __be32                  qp_counter_set_usr_page;
 494         __be32                  wire_qpn;
 495         __be32                  log_pg_sz_remote_qpn;
 496         struct                  mlx5_qp_path pri_path;
 497         struct                  mlx5_qp_path alt_path;
 498         __be32                  params1;
 499         u8                      reserved2[4];
 500         __be32                  next_send_psn;
 501         __be32                  cqn_send;
 502         __be32                  deth_sqpn;
 503         u8                      reserved3[4];
 504         __be32                  last_acked_psn;
 505         __be32                  ssn;
 506         __be32                  params2;
 507         __be32                  rnr_nextrecvpsn;
 508         __be32                  xrcd;
 509         __be32                  cqn_recv;
 510         __be64                  db_rec_addr;
 511         __be32                  qkey;
 512         __be32                  rq_type_srqn;
 513         __be32                  rmsn;
 514         __be16                  hw_sq_wqe_counter;
 515         __be16                  sw_sq_wqe_counter;
 516         __be16                  hw_rcyclic_byte_counter;
 517         __be16                  hw_rq_counter;
 518         __be16                  sw_rcyclic_byte_counter;
 519         __be16                  sw_rq_counter;
 520         u8                      rsvd0[5];
 521         u8                      cgs;
 522         u8                      cs_req;
 523         u8                      cs_res;
 524         __be64                  dc_access_key;
 525         u8                      rsvd1[24];
 526 };
 527
 528 struct mlx5_create_qp_mbox_in {
 529         struct mlx5_inbox_hdr   hdr;
 530         __be32                  input_qpn;
 531         u8                      rsvd0[4];
 532         __be32                  opt_param_mask;
 533         u8                      rsvd1[4];
 534         struct mlx5_qp_context  ctx;
 535         u8                      rsvd3[16];
 536         __be64                  pas[0];
 537 };
 538
 539 struct mlx5_create_qp_mbox_out {
 540         struct mlx5_outbox_hdr  hdr;
 541         __be32                  qpn;
 542         u8                      rsvd0[4];
 543 };
 544
 545 struct mlx5_destroy_qp_mbox_in {
 546         struct mlx5_inbox_hdr   hdr;
 547         __be32                  qpn;
 548         u8                      rsvd0[4];
 549 };
 550
 551 struct mlx5_destroy_qp_mbox_out {
 552         struct mlx5_outbox_hdr  hdr;
 553         u8                      rsvd0[8];
 554 };
 555
 556 struct mlx5_modify_qp_mbox_in {
 557         struct mlx5_inbox_hdr   hdr;
 558         __be32                  qpn;
 559         u8                      rsvd0[4];
 560         __be32                  optparam;
 561         u8                      rsvd1[4];
 562         struct mlx5_qp_context  ctx;
 563         u8                      rsvd2[16];
 564 };
 565
 566 struct mlx5_modify_qp_mbox_out {
 567         struct mlx5_outbox_hdr  hdr;
 568         u8                      rsvd0[8];
 569 };
 570
 571 struct mlx5_query_qp_mbox_in {
 572         struct mlx5_inbox_hdr   hdr;
 573         __be32                  qpn;
 574         u8                      rsvd[4];
 575 };
 576
 577 struct mlx5_query_qp_mbox_out {
 578         struct mlx5_outbox_hdr  hdr;
 579         u8                      rsvd1[8];
 580         __be32                  optparam;
 581         u8                      rsvd0[4];
 582         struct mlx5_qp_context  ctx;
 583         u8                      rsvd2[16];
 584         __be64                  pas[0];
 585 };
 586
 587 struct mlx5_conf_sqp_mbox_in {
 588         struct mlx5_inbox_hdr   hdr;
 589         __be32                  qpn;
 590         u8                      rsvd[3];
 591         u8                      type;
 592 };
 593
 594 struct mlx5_conf_sqp_mbox_out {
 595         struct mlx5_outbox_hdr  hdr;
 596         u8                      rsvd[8];
 597 };
 598
 599 struct mlx5_alloc_xrcd_mbox_in {
 600         struct mlx5_inbox_hdr   hdr;
 601         u8                      rsvd[8];
 602 };
 603
 604 struct mlx5_alloc_xrcd_mbox_out {
 605         struct mlx5_outbox_hdr  hdr;
 606         __be32                  xrcdn;
 607         u8                      rsvd[4];
 608 };
 609
 610 struct mlx5_dealloc_xrcd_mbox_in {
 611         struct mlx5_inbox_hdr   hdr;
 612         __be32                  xrcdn;
 613         u8                      rsvd[4];
 614 };
 615
 616 struct mlx5_dealloc_xrcd_mbox_out {
 617         struct mlx5_outbox_hdr  hdr;
 618         u8                      rsvd[8];
 619 };
 620
 621 static inline struct mlx5_core_qp *__mlx5_qp_lookup(struct mlx5_core_dev *dev, u32 qpn)
 622 {
 623         return radix_tree_lookup(&dev->priv.qp_table.tree, qpn);
 624 }
 625
 626 static inline struct mlx5_core_mkey *__mlx5_mr_lookup(struct mlx5_core_dev *dev, u32 key)
 627 {
 628         return radix_tree_lookup(&dev->priv.mkey_table.tree, key);
 629 }
 630
 631 struct mlx5_page_fault_resume_mbox_in {
 632         struct mlx5_inbox_hdr   hdr;
 633         __be32                  flags_qpn;
 634         u8                      reserved[4];
 635 };
 636
 637 struct mlx5_page_fault_resume_mbox_out {
 638         struct mlx5_outbox_hdr  hdr;
 639         u8                      rsvd[8];
 640 };
 641
 642 int mlx5_core_create_qp(struct mlx5_core_dev *dev,
 643                         struct mlx5_core_qp *qp,
 644                         struct mlx5_create_qp_mbox_in *in,
 645                         int inlen);
 646 int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 operation,
 647                         struct mlx5_modify_qp_mbox_in *in, int sqd_event,
 648                         struct mlx5_core_qp *qp);
 649 int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
 650                          struct mlx5_core_qp *qp);
 651 int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
 652                        struct mlx5_query_qp_mbox_out *out, int outlen);
 653
 654 int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn);
 655 int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
 656 void mlx5_init_qp_table(struct mlx5_core_dev *dev);
 657 void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev);
 658 int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
 659 void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
 660 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
 661 int mlx5_core_page_fault_resume(struct mlx5_core_dev *dev, u32 qpn,
 662                                 u8 context, int error);
 663 #endif
 664 int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
 665                                 struct mlx5_core_qp *rq);
 666 void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
 667                                   struct mlx5_core_qp *rq);
 668 int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
 669                                 struct mlx5_core_qp *sq);
 670 void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
 671                                   struct mlx5_core_qp *sq);
 672 int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id);
 673 int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id);
 674 int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
 675                               int reset, void *out, int out_size);
 676 int mlx5_core_query_out_of_buffer(struct mlx5_core_dev *dev, u16 counter_id,
 677                                   u32 *out_of_buffer);
 678
 679 static inline const char *mlx5_qp_type_str(int type)
 680 {
 681         switch (type) {
 682         case MLX5_QP_ST_RC: return "RC";
 683         case MLX5_QP_ST_UC: return "C";
 684         case MLX5_QP_ST_UD: return "UD";
 685         case MLX5_QP_ST_XRC: return "XRC";
 686         case MLX5_QP_ST_MLX: return "MLX";
 687         case MLX5_QP_ST_QP0: return "QP0";
 688         case MLX5_QP_ST_QP1: return "QP1";
 689         case MLX5_QP_ST_RAW_ETHERTYPE: return "RAW_ETHERTYPE";
 690         case MLX5_QP_ST_RAW_IPV6: return "RAW_IPV6";
 691         case MLX5_QP_ST_SNIFFER: return "SNIFFER";
 692         case MLX5_QP_ST_SYNC_UMR: return "SYNC_UMR";
 693         case MLX5_QP_ST_PTP_1588: return "PTP_1588";
 694         case MLX5_QP_ST_REG_UMR: return "REG_UMR";
 695         default: return "Invalid transport type";
 696         }
 697 }
 698
 699 static inline const char *mlx5_qp_state_str(int state)
 700 {
 701         switch (state) {
 702         case MLX5_QP_STATE_RST:
 703         return "RST";
 704         case MLX5_QP_STATE_INIT:
 705         return "INIT";
 706         case MLX5_QP_STATE_RTR:
 707         return "RTR";
 708         case MLX5_QP_STATE_RTS:
 709         return "RTS";
 710         case MLX5_QP_STATE_SQER:
 711         return "SQER";
 712         case MLX5_QP_STATE_SQD:
 713         return "SQD";
 714         case MLX5_QP_STATE_ERR:
 715         return "ERR";
 716         case MLX5_QP_STATE_SQ_DRAINING:
 717         return "SQ_DRAINING";
 718         case MLX5_QP_STATE_SUSPENDED:
 719         return "SUSPENDED";
 720         default: return "Invalid QP state";
 721         }
 722 }
 723
 724 #endif /* MLX5_QP_H */