drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h

   1 /*
   2  * Copyright (c) 2012-2016 VMware, Inc.  All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of EITHER the GNU General Public License
   6  * version 2 as published by the Free Software Foundation or the BSD
   7  * 2-Clause License. This program is distributed in the hope that it
   8  * will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED
   9  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  10  * See the GNU General Public License version 2 for more details at
  11  * http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program available in the file COPYING in the main
  15  * directory of this source tree.
  16  *
  17  * The BSD 2-Clause License
  18  *
  19  *     Redistribution and use in source and binary forms, with or
  20  *     without modification, are permitted provided that the following
  21  *     conditions are met:
  22  *
  23  *      - Redistributions of source code must retain the above
  24  *        copyright notice, this list of conditions and the following
  25  *        disclaimer.
  26  *
  27  *      - Redistributions in binary form must reproduce the above
  28  *        copyright notice, this list of conditions and the following
  29  *        disclaimer in the documentation and/or other materials
  30  *        provided with the distribution.
  31  *
  32  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  33  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  34  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  35  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  36  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  37  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  38  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  39  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  41  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  42  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  43  * OF THE POSSIBILITY OF SUCH DAMAGE.
  44  */
  45
  46 #ifndef __PVRDMA_DEV_API_H__
  47 #define __PVRDMA_DEV_API_H__
  48
  49 #include <linux/types.h>
  50
  51 #include "pvrdma_verbs.h"
  52
  53 #define PVRDMA_VERSION                  17
  54 #define PVRDMA_BOARD_ID                 1
  55 #define PVRDMA_REV_ID                   1
  56
  57 /*
  58  * Masks and accessors for page directory, which is a two-level lookup:
  59  * page directory -> page table -> page. Only one directory for now, but we
  60  * could expand that easily. 9 bits for tables, 9 bits for pages, gives one
  61  * gigabyte for memory regions and so forth.
  62  */
  63
  64 #define PVRDMA_PDIR_SHIFT               18
  65 #define PVRDMA_PTABLE_SHIFT             9
  66 #define PVRDMA_PAGE_DIR_DIR(x)          (((x) >> PVRDMA_PDIR_SHIFT) & 0x1)
  67 #define PVRDMA_PAGE_DIR_TABLE(x)        (((x) >> PVRDMA_PTABLE_SHIFT) & 0x1ff)
  68 #define PVRDMA_PAGE_DIR_PAGE(x)         ((x) & 0x1ff)
  69 #define PVRDMA_PAGE_DIR_MAX_PAGES       (1 * 512 * 512)
  70 #define PVRDMA_MAX_FAST_REG_PAGES       128
  71
  72 /*
  73  * Max MSI-X vectors.
  74  */
  75
  76 #define PVRDMA_MAX_INTERRUPTS   3
  77
  78 /* Register offsets within PCI resource on BAR1. */
  79 #define PVRDMA_REG_VERSION      0x00    /* R: Version of device. */
  80 #define PVRDMA_REG_DSRLOW       0x04    /* W: Device shared region low PA. */
  81 #define PVRDMA_REG_DSRHIGH      0x08    /* W: Device shared region high PA. */
  82 #define PVRDMA_REG_CTL          0x0c    /* W: PVRDMA_DEVICE_CTL */
  83 #define PVRDMA_REG_REQUEST      0x10    /* W: Indicate device request. */
  84 #define PVRDMA_REG_ERR          0x14    /* R: Device error. */
  85 #define PVRDMA_REG_ICR          0x18    /* R: Interrupt cause. */
  86 #define PVRDMA_REG_IMR          0x1c    /* R/W: Interrupt mask. */
  87 #define PVRDMA_REG_MACL         0x20    /* R/W: MAC address low. */
  88 #define PVRDMA_REG_MACH         0x24    /* R/W: MAC address high. */
  89
  90 /* Object flags. */
  91 #define PVRDMA_CQ_FLAG_ARMED_SOL        BIT(0)  /* Armed for solicited-only. */
  92 #define PVRDMA_CQ_FLAG_ARMED            BIT(1)  /* Armed. */
  93 #define PVRDMA_MR_FLAG_DMA              BIT(0)  /* DMA region. */
  94 #define PVRDMA_MR_FLAG_FRMR             BIT(1)  /* Fast reg memory region. */
  95
  96 /*
  97  * Atomic operation capability (masked versions are extended atomic
  98  * operations.
  99  */
 100
 101 #define PVRDMA_ATOMIC_OP_COMP_SWAP      BIT(0)  /* Compare and swap. */
 102 #define PVRDMA_ATOMIC_OP_FETCH_ADD      BIT(1)  /* Fetch and add. */
 103 #define PVRDMA_ATOMIC_OP_MASK_COMP_SWAP BIT(2)  /* Masked compare and swap. */
 104 #define PVRDMA_ATOMIC_OP_MASK_FETCH_ADD BIT(3)  /* Masked fetch and add. */
 105
 106 /*
 107  * Base Memory Management Extension flags to support Fast Reg Memory Regions
 108  * and Fast Reg Work Requests. Each flag represents a verb operation and we
 109  * must support all of them to qualify for the BMME device cap.
 110  */
 111
 112 #define PVRDMA_BMME_FLAG_LOCAL_INV      BIT(0)  /* Local Invalidate. */
 113 #define PVRDMA_BMME_FLAG_REMOTE_INV     BIT(1)  /* Remote Invalidate. */
 114 #define PVRDMA_BMME_FLAG_FAST_REG_WR    BIT(2)  /* Fast Reg Work Request. */
 115
 116 /*
 117  * GID types. The interpretation of the gid_types bit field in the device
 118  * capabilities will depend on the device mode. For now, the device only
 119  * supports RoCE as mode, so only the different GID types for RoCE are
 120  * defined.
 121  */
 122
 123 #define PVRDMA_GID_TYPE_FLAG_ROCE_V1    BIT(0)
 124 #define PVRDMA_GID_TYPE_FLAG_ROCE_V2    BIT(1)
 125
 126 enum pvrdma_pci_resource {
 127         PVRDMA_PCI_RESOURCE_MSIX,       /* BAR0: MSI-X, MMIO. */
 128         PVRDMA_PCI_RESOURCE_REG,        /* BAR1: Registers, MMIO. */
 129         PVRDMA_PCI_RESOURCE_UAR,        /* BAR2: UAR pages, MMIO, 64-bit. */
 130         PVRDMA_PCI_RESOURCE_LAST,       /* Last. */
 131 };
 132
 133 enum pvrdma_device_ctl {
 134         PVRDMA_DEVICE_CTL_ACTIVATE,     /* Activate device. */
 135         PVRDMA_DEVICE_CTL_QUIESCE,      /* Quiesce device. */
 136         PVRDMA_DEVICE_CTL_RESET,        /* Reset device. */
 137 };
 138
 139 enum pvrdma_intr_vector {
 140         PVRDMA_INTR_VECTOR_RESPONSE,    /* Command response. */
 141         PVRDMA_INTR_VECTOR_ASYNC,       /* Async events. */
 142         PVRDMA_INTR_VECTOR_CQ,          /* CQ notification. */
 143         /* Additional CQ notification vectors. */
 144 };
 145
 146 enum pvrdma_intr_cause {
 147         PVRDMA_INTR_CAUSE_RESPONSE      = (1 << PVRDMA_INTR_VECTOR_RESPONSE),
 148         PVRDMA_INTR_CAUSE_ASYNC         = (1 << PVRDMA_INTR_VECTOR_ASYNC),
 149         PVRDMA_INTR_CAUSE_CQ            = (1 << PVRDMA_INTR_VECTOR_CQ),
 150 };
 151
 152 enum pvrdma_gos_bits {
 153         PVRDMA_GOS_BITS_UNK,            /* Unknown. */
 154         PVRDMA_GOS_BITS_32,             /* 32-bit. */
 155         PVRDMA_GOS_BITS_64,             /* 64-bit. */
 156 };
 157
 158 enum pvrdma_gos_type {
 159         PVRDMA_GOS_TYPE_UNK,            /* Unknown. */
 160         PVRDMA_GOS_TYPE_LINUX,          /* Linux. */
 161 };
 162
 163 enum pvrdma_device_mode {
 164         PVRDMA_DEVICE_MODE_ROCE,        /* RoCE. */
 165         PVRDMA_DEVICE_MODE_IWARP,       /* iWarp. */
 166         PVRDMA_DEVICE_MODE_IB,          /* InfiniBand. */
 167 };
 168
 169 struct pvrdma_gos_info {
 170         u32 gos_bits:2;                 /* W: PVRDMA_GOS_BITS_ */
 171         u32 gos_type:4;                 /* W: PVRDMA_GOS_TYPE_ */
 172         u32 gos_ver:16;                 /* W: Guest OS version. */
 173         u32 gos_misc:10;                /* W: Other. */
 174         u32 pad;                        /* Pad to 8-byte alignment. */
 175 };
 176
 177 struct pvrdma_device_caps {
 178         u64 fw_ver;                             /* R: Query device. */
 179         __be64 node_guid;
 180         __be64 sys_image_guid;
 181         u64 max_mr_size;
 182         u64 page_size_cap;
 183         u64 atomic_arg_sizes;                   /* EX verbs. */
 184         u32 ex_comp_mask;                       /* EX verbs. */
 185         u32 device_cap_flags2;                  /* EX verbs. */
 186         u32 max_fa_bit_boundary;                /* EX verbs. */
 187         u32 log_max_atomic_inline_arg;          /* EX verbs. */
 188         u32 vendor_id;
 189         u32 vendor_part_id;
 190         u32 hw_ver;
 191         u32 max_qp;
 192         u32 max_qp_wr;
 193         u32 device_cap_flags;
 194         u32 max_sge;
 195         u32 max_sge_rd;
 196         u32 max_cq;
 197         u32 max_cqe;
 198         u32 max_mr;
 199         u32 max_pd;
 200         u32 max_qp_rd_atom;
 201         u32 max_ee_rd_atom;
 202         u32 max_res_rd_atom;
 203         u32 max_qp_init_rd_atom;
 204         u32 max_ee_init_rd_atom;
 205         u32 max_ee;
 206         u32 max_rdd;
 207         u32 max_mw;
 208         u32 max_raw_ipv6_qp;
 209         u32 max_raw_ethy_qp;
 210         u32 max_mcast_grp;
 211         u32 max_mcast_qp_attach;
 212         u32 max_total_mcast_qp_attach;
 213         u32 max_ah;
 214         u32 max_fmr;
 215         u32 max_map_per_fmr;
 216         u32 max_srq;
 217         u32 max_srq_wr;
 218         u32 max_srq_sge;
 219         u32 max_uar;
 220         u32 gid_tbl_len;
 221         u16 max_pkeys;
 222         u8  local_ca_ack_delay;
 223         u8  phys_port_cnt;
 224         u8  mode;                               /* PVRDMA_DEVICE_MODE_ */
 225         u8  atomic_ops;                         /* PVRDMA_ATOMIC_OP_* bits */
 226         u8  bmme_flags;                         /* FRWR Mem Mgmt Extensions */
 227         u8  gid_types;                          /* PVRDMA_GID_TYPE_FLAG_ */
 228         u8  reserved[4];
 229 };
 230
 231 struct pvrdma_ring_page_info {
 232         u32 num_pages;                          /* Num pages incl. header. */
 233         u32 reserved;                           /* Reserved. */
 234         u64 pdir_dma;                           /* Page directory PA. */
 235 };
 236
 237 #pragma pack(push, 1)
 238
 239 struct pvrdma_device_shared_region {
 240         u32 driver_version;                     /* W: Driver version. */
 241         u32 pad;                                /* Pad to 8-byte align. */
 242         struct pvrdma_gos_info gos_info;        /* W: Guest OS information. */
 243         u64 cmd_slot_dma;                       /* W: Command slot address. */
 244         u64 resp_slot_dma;                      /* W: Response slot address. */
 245         struct pvrdma_ring_page_info async_ring_pages;
 246                                                 /* W: Async ring page info. */
 247         struct pvrdma_ring_page_info cq_ring_pages;
 248                                                 /* W: CQ ring page info. */
 249         u32 uar_pfn;                            /* W: UAR pageframe. */
 250         u32 pad2;                               /* Pad to 8-byte align. */
 251         struct pvrdma_device_caps caps;         /* R: Device capabilities. */
 252 };
 253
 254 #pragma pack(pop)
 255
 256 /* Event types. Currently a 1:1 mapping with enum ib_event. */
 257 enum pvrdma_eqe_type {
 258         PVRDMA_EVENT_CQ_ERR,
 259         PVRDMA_EVENT_QP_FATAL,
 260         PVRDMA_EVENT_QP_REQ_ERR,
 261         PVRDMA_EVENT_QP_ACCESS_ERR,
 262         PVRDMA_EVENT_COMM_EST,
 263         PVRDMA_EVENT_SQ_DRAINED,
 264         PVRDMA_EVENT_PATH_MIG,
 265         PVRDMA_EVENT_PATH_MIG_ERR,
 266         PVRDMA_EVENT_DEVICE_FATAL,
 267         PVRDMA_EVENT_PORT_ACTIVE,
 268         PVRDMA_EVENT_PORT_ERR,
 269         PVRDMA_EVENT_LID_CHANGE,
 270         PVRDMA_EVENT_PKEY_CHANGE,
 271         PVRDMA_EVENT_SM_CHANGE,
 272         PVRDMA_EVENT_SRQ_ERR,
 273         PVRDMA_EVENT_SRQ_LIMIT_REACHED,
 274         PVRDMA_EVENT_QP_LAST_WQE_REACHED,
 275         PVRDMA_EVENT_CLIENT_REREGISTER,
 276         PVRDMA_EVENT_GID_CHANGE,
 277 };
 278
 279 /* Event queue element. */
 280 struct pvrdma_eqe {
 281         u32 type;       /* Event type. */
 282         u32 info;       /* Handle, other. */
 283 };
 284
 285 /* CQ notification queue element. */
 286 struct pvrdma_cqne {
 287         u32 info;       /* Handle */
 288 };
 289
 290 enum {
 291         PVRDMA_CMD_FIRST,
 292         PVRDMA_CMD_QUERY_PORT = PVRDMA_CMD_FIRST,
 293         PVRDMA_CMD_QUERY_PKEY,
 294         PVRDMA_CMD_CREATE_PD,
 295         PVRDMA_CMD_DESTROY_PD,
 296         PVRDMA_CMD_CREATE_MR,
 297         PVRDMA_CMD_DESTROY_MR,
 298         PVRDMA_CMD_CREATE_CQ,
 299         PVRDMA_CMD_RESIZE_CQ,
 300         PVRDMA_CMD_DESTROY_CQ,
 301         PVRDMA_CMD_CREATE_QP,
 302         PVRDMA_CMD_MODIFY_QP,
 303         PVRDMA_CMD_QUERY_QP,
 304         PVRDMA_CMD_DESTROY_QP,
 305         PVRDMA_CMD_CREATE_UC,
 306         PVRDMA_CMD_DESTROY_UC,
 307         PVRDMA_CMD_CREATE_BIND,
 308         PVRDMA_CMD_DESTROY_BIND,
 309         PVRDMA_CMD_MAX,
 310 };
 311
 312 enum {
 313         PVRDMA_CMD_FIRST_RESP = (1 << 31),
 314         PVRDMA_CMD_QUERY_PORT_RESP = PVRDMA_CMD_FIRST_RESP,
 315         PVRDMA_CMD_QUERY_PKEY_RESP,
 316         PVRDMA_CMD_CREATE_PD_RESP,
 317         PVRDMA_CMD_DESTROY_PD_RESP_NOOP,
 318         PVRDMA_CMD_CREATE_MR_RESP,
 319         PVRDMA_CMD_DESTROY_MR_RESP_NOOP,
 320         PVRDMA_CMD_CREATE_CQ_RESP,
 321         PVRDMA_CMD_RESIZE_CQ_RESP,
 322         PVRDMA_CMD_DESTROY_CQ_RESP_NOOP,
 323         PVRDMA_CMD_CREATE_QP_RESP,
 324         PVRDMA_CMD_MODIFY_QP_RESP,
 325         PVRDMA_CMD_QUERY_QP_RESP,
 326         PVRDMA_CMD_DESTROY_QP_RESP,
 327         PVRDMA_CMD_CREATE_UC_RESP,
 328         PVRDMA_CMD_DESTROY_UC_RESP_NOOP,
 329         PVRDMA_CMD_CREATE_BIND_RESP_NOOP,
 330         PVRDMA_CMD_DESTROY_BIND_RESP_NOOP,
 331         PVRDMA_CMD_MAX_RESP,
 332 };
 333
 334 struct pvrdma_cmd_hdr {
 335         u64 response;           /* Key for response lookup. */
 336         u32 cmd;                /* PVRDMA_CMD_ */
 337         u32 reserved;           /* Reserved. */
 338 };
 339
 340 struct pvrdma_cmd_resp_hdr {
 341         u64 response;           /* From cmd hdr. */
 342         u32 ack;                /* PVRDMA_CMD_XXX_RESP */
 343         u8 err;                 /* Error. */
 344         u8 reserved[3];         /* Reserved. */
 345 };
 346
 347 struct pvrdma_cmd_query_port {
 348         struct pvrdma_cmd_hdr hdr;
 349         u8 port_num;
 350         u8 reserved[7];
 351 };
 352
 353 struct pvrdma_cmd_query_port_resp {
 354         struct pvrdma_cmd_resp_hdr hdr;
 355         struct pvrdma_port_attr attrs;
 356 };
 357
 358 struct pvrdma_cmd_query_pkey {
 359         struct pvrdma_cmd_hdr hdr;
 360         u8 port_num;
 361         u8 index;
 362         u8 reserved[6];
 363 };
 364
 365 struct pvrdma_cmd_query_pkey_resp {
 366         struct pvrdma_cmd_resp_hdr hdr;
 367         u16 pkey;
 368         u8 reserved[6];
 369 };
 370
 371 struct pvrdma_cmd_create_uc {
 372         struct pvrdma_cmd_hdr hdr;
 373         u32 pfn; /* UAR page frame number */
 374         u8 reserved[4];
 375 };
 376
 377 struct pvrdma_cmd_create_uc_resp {
 378         struct pvrdma_cmd_resp_hdr hdr;
 379         u32 ctx_handle;
 380         u8 reserved[4];
 381 };
 382
 383 struct pvrdma_cmd_destroy_uc {
 384         struct pvrdma_cmd_hdr hdr;
 385         u32 ctx_handle;
 386         u8 reserved[4];
 387 };
 388
 389 struct pvrdma_cmd_create_pd {
 390         struct pvrdma_cmd_hdr hdr;
 391         u32 ctx_handle;
 392         u8 reserved[4];
 393 };
 394
 395 struct pvrdma_cmd_create_pd_resp {
 396         struct pvrdma_cmd_resp_hdr hdr;
 397         u32 pd_handle;
 398         u8 reserved[4];
 399 };
 400
 401 struct pvrdma_cmd_destroy_pd {
 402         struct pvrdma_cmd_hdr hdr;
 403         u32 pd_handle;
 404         u8 reserved[4];
 405 };
 406
 407 struct pvrdma_cmd_create_mr {
 408         struct pvrdma_cmd_hdr hdr;
 409         u64 start;
 410         u64 length;
 411         u64 pdir_dma;
 412         u32 pd_handle;
 413         u32 access_flags;
 414         u32 flags;
 415         u32 nchunks;
 416 };
 417
 418 struct pvrdma_cmd_create_mr_resp {
 419         struct pvrdma_cmd_resp_hdr hdr;
 420         u32 mr_handle;
 421         u32 lkey;
 422         u32 rkey;
 423         u8 reserved[4];
 424 };
 425
 426 struct pvrdma_cmd_destroy_mr {
 427         struct pvrdma_cmd_hdr hdr;
 428         u32 mr_handle;
 429         u8 reserved[4];
 430 };
 431
 432 struct pvrdma_cmd_create_cq {
 433         struct pvrdma_cmd_hdr hdr;
 434         u64 pdir_dma;
 435         u32 ctx_handle;
 436         u32 cqe;
 437         u32 nchunks;
 438         u8 reserved[4];
 439 };
 440
 441 struct pvrdma_cmd_create_cq_resp {
 442         struct pvrdma_cmd_resp_hdr hdr;
 443         u32 cq_handle;
 444         u32 cqe;
 445 };
 446
 447 struct pvrdma_cmd_resize_cq {
 448         struct pvrdma_cmd_hdr hdr;
 449         u32 cq_handle;
 450         u32 cqe;
 451 };
 452
 453 struct pvrdma_cmd_resize_cq_resp {
 454         struct pvrdma_cmd_resp_hdr hdr;
 455         u32 cqe;
 456         u8 reserved[4];
 457 };
 458
 459 struct pvrdma_cmd_destroy_cq {
 460         struct pvrdma_cmd_hdr hdr;
 461         u32 cq_handle;
 462         u8 reserved[4];
 463 };
 464
 465 struct pvrdma_cmd_create_qp {
 466         struct pvrdma_cmd_hdr hdr;
 467         u64 pdir_dma;
 468         u32 pd_handle;
 469         u32 send_cq_handle;
 470         u32 recv_cq_handle;
 471         u32 srq_handle;
 472         u32 max_send_wr;
 473         u32 max_recv_wr;
 474         u32 max_send_sge;
 475         u32 max_recv_sge;
 476         u32 max_inline_data;
 477         u32 lkey;
 478         u32 access_flags;
 479         u16 total_chunks;
 480         u16 send_chunks;
 481         u16 max_atomic_arg;
 482         u8 sq_sig_all;
 483         u8 qp_type;
 484         u8 is_srq;
 485         u8 reserved[3];
 486 };
 487
 488 struct pvrdma_cmd_create_qp_resp {
 489         struct pvrdma_cmd_resp_hdr hdr;
 490         u32 qpn;
 491         u32 max_send_wr;
 492         u32 max_recv_wr;
 493         u32 max_send_sge;
 494         u32 max_recv_sge;
 495         u32 max_inline_data;
 496 };
 497
 498 struct pvrdma_cmd_modify_qp {
 499         struct pvrdma_cmd_hdr hdr;
 500         u32 qp_handle;
 501         u32 attr_mask;
 502         struct pvrdma_qp_attr attrs;
 503 };
 504
 505 struct pvrdma_cmd_query_qp {
 506         struct pvrdma_cmd_hdr hdr;
 507         u32 qp_handle;
 508         u32 attr_mask;
 509 };
 510
 511 struct pvrdma_cmd_query_qp_resp {
 512         struct pvrdma_cmd_resp_hdr hdr;
 513         struct pvrdma_qp_attr attrs;
 514 };
 515
 516 struct pvrdma_cmd_destroy_qp {
 517         struct pvrdma_cmd_hdr hdr;
 518         u32 qp_handle;
 519         u8 reserved[4];
 520 };
 521
 522 struct pvrdma_cmd_destroy_qp_resp {
 523         struct pvrdma_cmd_resp_hdr hdr;
 524         u32 events_reported;
 525         u8 reserved[4];
 526 };
 527
 528 struct pvrdma_cmd_create_bind {
 529         struct pvrdma_cmd_hdr hdr;
 530         u32 mtu;
 531         u32 vlan;
 532         u32 index;
 533         u8 new_gid[16];
 534         u8 gid_type;
 535         u8 reserved[3];
 536 };
 537
 538 struct pvrdma_cmd_destroy_bind {
 539         struct pvrdma_cmd_hdr hdr;
 540         u32 index;
 541         u8 dest_gid[16];
 542         u8 reserved[4];
 543 };
 544
 545 union pvrdma_cmd_req {
 546         struct pvrdma_cmd_hdr hdr;
 547         struct pvrdma_cmd_query_port query_port;
 548         struct pvrdma_cmd_query_pkey query_pkey;
 549         struct pvrdma_cmd_create_uc create_uc;
 550         struct pvrdma_cmd_destroy_uc destroy_uc;
 551         struct pvrdma_cmd_create_pd create_pd;
 552         struct pvrdma_cmd_destroy_pd destroy_pd;
 553         struct pvrdma_cmd_create_mr create_mr;
 554         struct pvrdma_cmd_destroy_mr destroy_mr;
 555         struct pvrdma_cmd_create_cq create_cq;
 556         struct pvrdma_cmd_resize_cq resize_cq;
 557         struct pvrdma_cmd_destroy_cq destroy_cq;
 558         struct pvrdma_cmd_create_qp create_qp;
 559         struct pvrdma_cmd_modify_qp modify_qp;
 560         struct pvrdma_cmd_query_qp query_qp;
 561         struct pvrdma_cmd_destroy_qp destroy_qp;
 562         struct pvrdma_cmd_create_bind create_bind;
 563         struct pvrdma_cmd_destroy_bind destroy_bind;
 564 };
 565
 566 union pvrdma_cmd_resp {
 567         struct pvrdma_cmd_resp_hdr hdr;
 568         struct pvrdma_cmd_query_port_resp query_port_resp;
 569         struct pvrdma_cmd_query_pkey_resp query_pkey_resp;
 570         struct pvrdma_cmd_create_uc_resp create_uc_resp;
 571         struct pvrdma_cmd_create_pd_resp create_pd_resp;
 572         struct pvrdma_cmd_create_mr_resp create_mr_resp;
 573         struct pvrdma_cmd_create_cq_resp create_cq_resp;
 574         struct pvrdma_cmd_resize_cq_resp resize_cq_resp;
 575         struct pvrdma_cmd_create_qp_resp create_qp_resp;
 576         struct pvrdma_cmd_query_qp_resp query_qp_resp;
 577         struct pvrdma_cmd_destroy_qp_resp destroy_qp_resp;
 578 };
 579
 580 #endif /* __PVRDMA_DEV_API_H__ */