qemu/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h
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   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 "standard-headers/linux/types.h"
  50
  51#include "pvrdma_verbs.h"
  52
  53/*
  54 * PVRDMA version macros. Some new features require updates to PVRDMA_VERSION.
  55 * These macros allow us to check for different features if necessary.
  56 */
  57
  58#define PVRDMA_ROCEV1_VERSION           17
  59#define PVRDMA_ROCEV2_VERSION           18
  60#define PVRDMA_VERSION                  PVRDMA_ROCEV2_VERSION
  61
  62#define PVRDMA_BOARD_ID                 1
  63#define PVRDMA_REV_ID                   1
  64
  65/*
  66 * Masks and accessors for page directory, which is a two-level lookup:
  67 * page directory -> page table -> page. Only one directory for now, but we
  68 * could expand that easily. 9 bits for tables, 9 bits for pages, gives one
  69 * gigabyte for memory regions and so forth.
  70 */
  71
  72#define PVRDMA_PDIR_SHIFT               18
  73#define PVRDMA_PTABLE_SHIFT             9
  74#define PVRDMA_PAGE_DIR_DIR(x)          (((x) >> PVRDMA_PDIR_SHIFT) & 0x1)
  75#define PVRDMA_PAGE_DIR_TABLE(x)        (((x) >> PVRDMA_PTABLE_SHIFT) & 0x1ff)
  76#define PVRDMA_PAGE_DIR_PAGE(x)         ((x) & 0x1ff)
  77#define PVRDMA_PAGE_DIR_MAX_PAGES       (1 * 512 * 512)
  78#define PVRDMA_MAX_FAST_REG_PAGES       128
  79
  80/*
  81 * Max MSI-X vectors.
  82 */
  83
  84#define PVRDMA_MAX_INTERRUPTS   3
  85
  86/* Register offsets within PCI resource on BAR1. */
  87#define PVRDMA_REG_VERSION      0x00    /* R: Version of device. */
  88#define PVRDMA_REG_DSRLOW       0x04    /* W: Device shared region low PA. */
  89#define PVRDMA_REG_DSRHIGH      0x08    /* W: Device shared region high PA. */
  90#define PVRDMA_REG_CTL          0x0c    /* W: PVRDMA_DEVICE_CTL */
  91#define PVRDMA_REG_REQUEST      0x10    /* W: Indicate device request. */
  92#define PVRDMA_REG_ERR          0x14    /* R: Device error. */
  93#define PVRDMA_REG_ICR          0x18    /* R: Interrupt cause. */
  94#define PVRDMA_REG_IMR          0x1c    /* R/W: Interrupt mask. */
  95#define PVRDMA_REG_MACL         0x20    /* R/W: MAC address low. */
  96#define PVRDMA_REG_MACH         0x24    /* R/W: MAC address high. */
  97
  98/* Object flags. */
  99#define PVRDMA_CQ_FLAG_ARMED_SOL        BIT(0)  /* Armed for solicited-only. */
 100#define PVRDMA_CQ_FLAG_ARMED            BIT(1)  /* Armed. */
 101#define PVRDMA_MR_FLAG_DMA              BIT(0)  /* DMA region. */
 102#define PVRDMA_MR_FLAG_FRMR             BIT(1)  /* Fast reg memory region. */
 103
 104/*
 105 * Atomic operation capability (masked versions are extended atomic
 106 * operations.
 107 */
 108
 109#define PVRDMA_ATOMIC_OP_COMP_SWAP      BIT(0)  /* Compare and swap. */
 110#define PVRDMA_ATOMIC_OP_FETCH_ADD      BIT(1)  /* Fetch and add. */
 111#define PVRDMA_ATOMIC_OP_MASK_COMP_SWAP BIT(2)  /* Masked compare and swap. */
 112#define PVRDMA_ATOMIC_OP_MASK_FETCH_ADD BIT(3)  /* Masked fetch and add. */
 113
 114/*
 115 * Base Memory Management Extension flags to support Fast Reg Memory Regions
 116 * and Fast Reg Work Requests. Each flag represents a verb operation and we
 117 * must support all of them to qualify for the BMME device cap.
 118 */
 119
 120#define PVRDMA_BMME_FLAG_LOCAL_INV      BIT(0)  /* Local Invalidate. */
 121#define PVRDMA_BMME_FLAG_REMOTE_INV     BIT(1)  /* Remote Invalidate. */
 122#define PVRDMA_BMME_FLAG_FAST_REG_WR    BIT(2)  /* Fast Reg Work Request. */
 123
 124/*
 125 * GID types. The interpretation of the gid_types bit field in the device
 126 * capabilities will depend on the device mode. For now, the device only
 127 * supports RoCE as mode, so only the different GID types for RoCE are
 128 * defined.
 129 */
 130
 131#define PVRDMA_GID_TYPE_FLAG_ROCE_V1    BIT(0)
 132#define PVRDMA_GID_TYPE_FLAG_ROCE_V2    BIT(1)
 133
 134/*
 135 * Version checks. This checks whether each version supports specific
 136 * capabilities from the device.
 137 */
 138
 139#define PVRDMA_IS_VERSION17(_dev)                                       \
 140        (_dev->dsr_version == PVRDMA_ROCEV1_VERSION &&                  \
 141         _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1)
 142
 143#define PVRDMA_IS_VERSION18(_dev)                                       \
 144        (_dev->dsr_version >= PVRDMA_ROCEV2_VERSION &&                  \
 145         (_dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1 ||  \
 146          _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V2))   \
 147
 148#define PVRDMA_SUPPORTED(_dev)                                          \
 149        ((_dev->dsr->caps.mode == PVRDMA_DEVICE_MODE_ROCE) &&           \
 150         (PVRDMA_IS_VERSION17(_dev) || PVRDMA_IS_VERSION18(_dev)))
 151
 152/*
 153 * Get capability values based on device version.
 154 */
 155
 156#define PVRDMA_GET_CAP(_dev, _old_val, _val) \
 157        ((PVRDMA_IS_VERSION18(_dev)) ? _val : _old_val)
 158
 159enum pvrdma_pci_resource {
 160        PVRDMA_PCI_RESOURCE_MSIX,       /* BAR0: MSI-X, MMIO. */
 161        PVRDMA_PCI_RESOURCE_REG,        /* BAR1: Registers, MMIO. */
 162        PVRDMA_PCI_RESOURCE_UAR,        /* BAR2: UAR pages, MMIO, 64-bit. */
 163        PVRDMA_PCI_RESOURCE_LAST,       /* Last. */
 164};
 165
 166enum pvrdma_device_ctl {
 167        PVRDMA_DEVICE_CTL_ACTIVATE,     /* Activate device. */
 168        PVRDMA_DEVICE_CTL_UNQUIESCE,    /* Unquiesce device. */
 169        PVRDMA_DEVICE_CTL_RESET,        /* Reset device. */
 170};
 171
 172enum pvrdma_intr_vector {
 173        PVRDMA_INTR_VECTOR_RESPONSE,    /* Command response. */
 174        PVRDMA_INTR_VECTOR_ASYNC,       /* Async events. */
 175        PVRDMA_INTR_VECTOR_CQ,          /* CQ notification. */
 176        /* Additional CQ notification vectors. */
 177};
 178
 179enum pvrdma_intr_cause {
 180        PVRDMA_INTR_CAUSE_RESPONSE      = (1 << PVRDMA_INTR_VECTOR_RESPONSE),
 181        PVRDMA_INTR_CAUSE_ASYNC         = (1 << PVRDMA_INTR_VECTOR_ASYNC),
 182        PVRDMA_INTR_CAUSE_CQ            = (1 << PVRDMA_INTR_VECTOR_CQ),
 183};
 184
 185enum pvrdma_gos_bits {
 186        PVRDMA_GOS_BITS_UNK,            /* Unknown. */
 187        PVRDMA_GOS_BITS_32,             /* 32-bit. */
 188        PVRDMA_GOS_BITS_64,             /* 64-bit. */
 189};
 190
 191enum pvrdma_gos_type {
 192        PVRDMA_GOS_TYPE_UNK,            /* Unknown. */
 193        PVRDMA_GOS_TYPE_LINUX,          /* Linux. */
 194};
 195
 196enum pvrdma_device_mode {
 197        PVRDMA_DEVICE_MODE_ROCE,        /* RoCE. */
 198        PVRDMA_DEVICE_MODE_IWARP,       /* iWarp. */
 199        PVRDMA_DEVICE_MODE_IB,          /* InfiniBand. */
 200};
 201
 202struct pvrdma_gos_info {
 203        uint32_t gos_bits:2;                    /* W: PVRDMA_GOS_BITS_ */
 204        uint32_t gos_type:4;                    /* W: PVRDMA_GOS_TYPE_ */
 205        uint32_t gos_ver:16;                    /* W: Guest OS version. */
 206        uint32_t gos_misc:10;           /* W: Other. */
 207        uint32_t pad;                   /* Pad to 8-byte alignment. */
 208};
 209
 210struct pvrdma_device_caps {
 211        uint64_t fw_ver;                                /* R: Query device. */
 212        uint64_t node_guid;
 213        uint64_t sys_image_guid;
 214        uint64_t max_mr_size;
 215        uint64_t page_size_cap;
 216        uint64_t atomic_arg_sizes;                      /* EX verbs. */
 217        uint32_t ex_comp_mask;                  /* EX verbs. */
 218        uint32_t device_cap_flags2;                     /* EX verbs. */
 219        uint32_t max_fa_bit_boundary;           /* EX verbs. */
 220        uint32_t log_max_atomic_inline_arg;             /* EX verbs. */
 221        uint32_t vendor_id;
 222        uint32_t vendor_part_id;
 223        uint32_t hw_ver;
 224        uint32_t max_qp;
 225        uint32_t max_qp_wr;
 226        uint32_t device_cap_flags;
 227        uint32_t max_sge;
 228        uint32_t max_sge_rd;
 229        uint32_t max_cq;
 230        uint32_t max_cqe;
 231        uint32_t max_mr;
 232        uint32_t max_pd;
 233        uint32_t max_qp_rd_atom;
 234        uint32_t max_ee_rd_atom;
 235        uint32_t max_res_rd_atom;
 236        uint32_t max_qp_init_rd_atom;
 237        uint32_t max_ee_init_rd_atom;
 238        uint32_t max_ee;
 239        uint32_t max_rdd;
 240        uint32_t max_mw;
 241        uint32_t max_raw_ipv6_qp;
 242        uint32_t max_raw_ethy_qp;
 243        uint32_t max_mcast_grp;
 244        uint32_t max_mcast_qp_attach;
 245        uint32_t max_total_mcast_qp_attach;
 246        uint32_t max_ah;
 247        uint32_t max_fmr;
 248        uint32_t max_map_per_fmr;
 249        uint32_t max_srq;
 250        uint32_t max_srq_wr;
 251        uint32_t max_srq_sge;
 252        uint32_t max_uar;
 253        uint32_t gid_tbl_len;
 254        uint16_t max_pkeys;
 255        uint8_t  local_ca_ack_delay;
 256        uint8_t  phys_port_cnt;
 257        uint8_t  mode;                          /* PVRDMA_DEVICE_MODE_ */
 258        uint8_t  atomic_ops;                            /* PVRDMA_ATOMIC_OP_* bits */
 259        uint8_t  bmme_flags;                            /* FRWR Mem Mgmt Extensions */
 260        uint8_t  gid_types;                             /* PVRDMA_GID_TYPE_FLAG_ */
 261        uint32_t max_fast_reg_page_list_len;
 262};
 263
 264struct pvrdma_ring_page_info {
 265        uint32_t num_pages;                             /* Num pages incl. header. */
 266        uint32_t reserved;                              /* Reserved. */
 267        uint64_t pdir_dma;                              /* Page directory PA. */
 268};
 269
 270#pragma pack(push, 1)
 271
 272struct pvrdma_device_shared_region {
 273        uint32_t driver_version;                        /* W: Driver version. */
 274        uint32_t pad;                           /* Pad to 8-byte align. */
 275        struct pvrdma_gos_info gos_info;        /* W: Guest OS information. */
 276        uint64_t cmd_slot_dma;                  /* W: Command slot address. */
 277        uint64_t resp_slot_dma;                 /* W: Response slot address. */
 278        struct pvrdma_ring_page_info async_ring_pages;
 279                                                /* W: Async ring page info. */
 280        struct pvrdma_ring_page_info cq_ring_pages;
 281                                                /* W: CQ ring page info. */
 282        uint32_t uar_pfn;                               /* W: UAR pageframe. */
 283        uint32_t pad2;                          /* Pad to 8-byte align. */
 284        struct pvrdma_device_caps caps;         /* R: Device capabilities. */
 285};
 286
 287#pragma pack(pop)
 288
 289/* Event types. Currently a 1:1 mapping with enum ib_event. */
 290enum pvrdma_eqe_type {
 291        PVRDMA_EVENT_CQ_ERR,
 292        PVRDMA_EVENT_QP_FATAL,
 293        PVRDMA_EVENT_QP_REQ_ERR,
 294        PVRDMA_EVENT_QP_ACCESS_ERR,
 295        PVRDMA_EVENT_COMM_EST,
 296        PVRDMA_EVENT_SQ_DRAINED,
 297        PVRDMA_EVENT_PATH_MIG,
 298        PVRDMA_EVENT_PATH_MIG_ERR,
 299        PVRDMA_EVENT_DEVICE_FATAL,
 300        PVRDMA_EVENT_PORT_ACTIVE,
 301        PVRDMA_EVENT_PORT_ERR,
 302        PVRDMA_EVENT_LID_CHANGE,
 303        PVRDMA_EVENT_PKEY_CHANGE,
 304        PVRDMA_EVENT_SM_CHANGE,
 305        PVRDMA_EVENT_SRQ_ERR,
 306        PVRDMA_EVENT_SRQ_LIMIT_REACHED,
 307        PVRDMA_EVENT_QP_LAST_WQE_REACHED,
 308        PVRDMA_EVENT_CLIENT_REREGISTER,
 309        PVRDMA_EVENT_GID_CHANGE,
 310};
 311
 312/* Event queue element. */
 313struct pvrdma_eqe {
 314        uint32_t type;  /* Event type. */
 315        uint32_t info;  /* Handle, other. */
 316};
 317
 318/* CQ notification queue element. */
 319struct pvrdma_cqne {
 320        uint32_t info;  /* Handle */
 321};
 322
 323enum {
 324        PVRDMA_CMD_FIRST,
 325        PVRDMA_CMD_QUERY_PORT = PVRDMA_CMD_FIRST,
 326        PVRDMA_CMD_QUERY_PKEY,
 327        PVRDMA_CMD_CREATE_PD,
 328        PVRDMA_CMD_DESTROY_PD,
 329        PVRDMA_CMD_CREATE_MR,
 330        PVRDMA_CMD_DESTROY_MR,
 331        PVRDMA_CMD_CREATE_CQ,
 332        PVRDMA_CMD_RESIZE_CQ,
 333        PVRDMA_CMD_DESTROY_CQ,
 334        PVRDMA_CMD_CREATE_QP,
 335        PVRDMA_CMD_MODIFY_QP,
 336        PVRDMA_CMD_QUERY_QP,
 337        PVRDMA_CMD_DESTROY_QP,
 338        PVRDMA_CMD_CREATE_UC,
 339        PVRDMA_CMD_DESTROY_UC,
 340        PVRDMA_CMD_CREATE_BIND,
 341        PVRDMA_CMD_DESTROY_BIND,
 342        PVRDMA_CMD_CREATE_SRQ,
 343        PVRDMA_CMD_MODIFY_SRQ,
 344        PVRDMA_CMD_QUERY_SRQ,
 345        PVRDMA_CMD_DESTROY_SRQ,
 346        PVRDMA_CMD_MAX,
 347};
 348
 349enum {
 350        PVRDMA_CMD_FIRST_RESP = (1 << 31),
 351        PVRDMA_CMD_QUERY_PORT_RESP = PVRDMA_CMD_FIRST_RESP,
 352        PVRDMA_CMD_QUERY_PKEY_RESP,
 353        PVRDMA_CMD_CREATE_PD_RESP,
 354        PVRDMA_CMD_DESTROY_PD_RESP_NOOP,
 355        PVRDMA_CMD_CREATE_MR_RESP,
 356        PVRDMA_CMD_DESTROY_MR_RESP_NOOP,
 357        PVRDMA_CMD_CREATE_CQ_RESP,
 358        PVRDMA_CMD_RESIZE_CQ_RESP,
 359        PVRDMA_CMD_DESTROY_CQ_RESP_NOOP,
 360        PVRDMA_CMD_CREATE_QP_RESP,
 361        PVRDMA_CMD_MODIFY_QP_RESP,
 362        PVRDMA_CMD_QUERY_QP_RESP,
 363        PVRDMA_CMD_DESTROY_QP_RESP,
 364        PVRDMA_CMD_CREATE_UC_RESP,
 365        PVRDMA_CMD_DESTROY_UC_RESP_NOOP,
 366        PVRDMA_CMD_CREATE_BIND_RESP_NOOP,
 367        PVRDMA_CMD_DESTROY_BIND_RESP_NOOP,
 368        PVRDMA_CMD_CREATE_SRQ_RESP,
 369        PVRDMA_CMD_MODIFY_SRQ_RESP,
 370        PVRDMA_CMD_QUERY_SRQ_RESP,
 371        PVRDMA_CMD_DESTROY_SRQ_RESP,
 372        PVRDMA_CMD_MAX_RESP,
 373};
 374
 375struct pvrdma_cmd_hdr {
 376        uint64_t response;              /* Key for response lookup. */
 377        uint32_t cmd;           /* PVRDMA_CMD_ */
 378        uint32_t reserved;              /* Reserved. */
 379};
 380
 381struct pvrdma_cmd_resp_hdr {
 382        uint64_t response;              /* From cmd hdr. */
 383        uint32_t ack;           /* PVRDMA_CMD_XXX_RESP */
 384        uint8_t err;                    /* Error. */
 385        uint8_t reserved[3];            /* Reserved. */
 386};
 387
 388struct pvrdma_cmd_query_port {
 389        struct pvrdma_cmd_hdr hdr;
 390        uint8_t port_num;
 391        uint8_t reserved[7];
 392};
 393
 394struct pvrdma_cmd_query_port_resp {
 395        struct pvrdma_cmd_resp_hdr hdr;
 396        struct pvrdma_port_attr attrs;
 397};
 398
 399struct pvrdma_cmd_query_pkey {
 400        struct pvrdma_cmd_hdr hdr;
 401        uint8_t port_num;
 402        uint8_t index;
 403        uint8_t reserved[6];
 404};
 405
 406struct pvrdma_cmd_query_pkey_resp {
 407        struct pvrdma_cmd_resp_hdr hdr;
 408        uint16_t pkey;
 409        uint8_t reserved[6];
 410};
 411
 412struct pvrdma_cmd_create_uc {
 413        struct pvrdma_cmd_hdr hdr;
 414        uint32_t pfn; /* UAR page frame number */
 415        uint8_t reserved[4];
 416};
 417
 418struct pvrdma_cmd_create_uc_resp {
 419        struct pvrdma_cmd_resp_hdr hdr;
 420        uint32_t ctx_handle;
 421        uint8_t reserved[4];
 422};
 423
 424struct pvrdma_cmd_destroy_uc {
 425        struct pvrdma_cmd_hdr hdr;
 426        uint32_t ctx_handle;
 427        uint8_t reserved[4];
 428};
 429
 430struct pvrdma_cmd_create_pd {
 431        struct pvrdma_cmd_hdr hdr;
 432        uint32_t ctx_handle;
 433        uint8_t reserved[4];
 434};
 435
 436struct pvrdma_cmd_create_pd_resp {
 437        struct pvrdma_cmd_resp_hdr hdr;
 438        uint32_t pd_handle;
 439        uint8_t reserved[4];
 440};
 441
 442struct pvrdma_cmd_destroy_pd {
 443        struct pvrdma_cmd_hdr hdr;
 444        uint32_t pd_handle;
 445        uint8_t reserved[4];
 446};
 447
 448struct pvrdma_cmd_create_mr {
 449        struct pvrdma_cmd_hdr hdr;
 450        uint64_t start;
 451        uint64_t length;
 452        uint64_t pdir_dma;
 453        uint32_t pd_handle;
 454        uint32_t access_flags;
 455        uint32_t flags;
 456        uint32_t nchunks;
 457};
 458
 459struct pvrdma_cmd_create_mr_resp {
 460        struct pvrdma_cmd_resp_hdr hdr;
 461        uint32_t mr_handle;
 462        uint32_t lkey;
 463        uint32_t rkey;
 464        uint8_t reserved[4];
 465};
 466
 467struct pvrdma_cmd_destroy_mr {
 468        struct pvrdma_cmd_hdr hdr;
 469        uint32_t mr_handle;
 470        uint8_t reserved[4];
 471};
 472
 473struct pvrdma_cmd_create_cq {
 474        struct pvrdma_cmd_hdr hdr;
 475        uint64_t pdir_dma;
 476        uint32_t ctx_handle;
 477        uint32_t cqe;
 478        uint32_t nchunks;
 479        uint8_t reserved[4];
 480};
 481
 482struct pvrdma_cmd_create_cq_resp {
 483        struct pvrdma_cmd_resp_hdr hdr;
 484        uint32_t cq_handle;
 485        uint32_t cqe;
 486};
 487
 488struct pvrdma_cmd_resize_cq {
 489        struct pvrdma_cmd_hdr hdr;
 490        uint32_t cq_handle;
 491        uint32_t cqe;
 492};
 493
 494struct pvrdma_cmd_resize_cq_resp {
 495        struct pvrdma_cmd_resp_hdr hdr;
 496        uint32_t cqe;
 497        uint8_t reserved[4];
 498};
 499
 500struct pvrdma_cmd_destroy_cq {
 501        struct pvrdma_cmd_hdr hdr;
 502        uint32_t cq_handle;
 503        uint8_t reserved[4];
 504};
 505
 506struct pvrdma_cmd_create_srq {
 507        struct pvrdma_cmd_hdr hdr;
 508        uint64_t pdir_dma;
 509        uint32_t pd_handle;
 510        uint32_t nchunks;
 511        struct pvrdma_srq_attr attrs;
 512        uint8_t srq_type;
 513        uint8_t reserved[7];
 514};
 515
 516struct pvrdma_cmd_create_srq_resp {
 517        struct pvrdma_cmd_resp_hdr hdr;
 518        uint32_t srqn;
 519        uint8_t reserved[4];
 520};
 521
 522struct pvrdma_cmd_modify_srq {
 523        struct pvrdma_cmd_hdr hdr;
 524        uint32_t srq_handle;
 525        uint32_t attr_mask;
 526        struct pvrdma_srq_attr attrs;
 527};
 528
 529struct pvrdma_cmd_query_srq {
 530        struct pvrdma_cmd_hdr hdr;
 531        uint32_t srq_handle;
 532        uint8_t reserved[4];
 533};
 534
 535struct pvrdma_cmd_query_srq_resp {
 536        struct pvrdma_cmd_resp_hdr hdr;
 537        struct pvrdma_srq_attr attrs;
 538};
 539
 540struct pvrdma_cmd_destroy_srq {
 541        struct pvrdma_cmd_hdr hdr;
 542        uint32_t srq_handle;
 543        uint8_t reserved[4];
 544};
 545
 546struct pvrdma_cmd_create_qp {
 547        struct pvrdma_cmd_hdr hdr;
 548        uint64_t pdir_dma;
 549        uint32_t pd_handle;
 550        uint32_t send_cq_handle;
 551        uint32_t recv_cq_handle;
 552        uint32_t srq_handle;
 553        uint32_t max_send_wr;
 554        uint32_t max_recv_wr;
 555        uint32_t max_send_sge;
 556        uint32_t max_recv_sge;
 557        uint32_t max_inline_data;
 558        uint32_t lkey;
 559        uint32_t access_flags;
 560        uint16_t total_chunks;
 561        uint16_t send_chunks;
 562        uint16_t max_atomic_arg;
 563        uint8_t sq_sig_all;
 564        uint8_t qp_type;
 565        uint8_t is_srq;
 566        uint8_t reserved[3];
 567};
 568
 569struct pvrdma_cmd_create_qp_resp {
 570        struct pvrdma_cmd_resp_hdr hdr;
 571        uint32_t qpn;
 572        uint32_t max_send_wr;
 573        uint32_t max_recv_wr;
 574        uint32_t max_send_sge;
 575        uint32_t max_recv_sge;
 576        uint32_t max_inline_data;
 577};
 578
 579struct pvrdma_cmd_modify_qp {
 580        struct pvrdma_cmd_hdr hdr;
 581        uint32_t qp_handle;
 582        uint32_t attr_mask;
 583        struct pvrdma_qp_attr attrs;
 584};
 585
 586struct pvrdma_cmd_query_qp {
 587        struct pvrdma_cmd_hdr hdr;
 588        uint32_t qp_handle;
 589        uint32_t attr_mask;
 590};
 591
 592struct pvrdma_cmd_query_qp_resp {
 593        struct pvrdma_cmd_resp_hdr hdr;
 594        struct pvrdma_qp_attr attrs;
 595};
 596
 597struct pvrdma_cmd_destroy_qp {
 598        struct pvrdma_cmd_hdr hdr;
 599        uint32_t qp_handle;
 600        uint8_t reserved[4];
 601};
 602
 603struct pvrdma_cmd_destroy_qp_resp {
 604        struct pvrdma_cmd_resp_hdr hdr;
 605        uint32_t events_reported;
 606        uint8_t reserved[4];
 607};
 608
 609struct pvrdma_cmd_create_bind {
 610        struct pvrdma_cmd_hdr hdr;
 611        uint32_t mtu;
 612        uint32_t vlan;
 613        uint32_t index;
 614        uint8_t new_gid[16];
 615        uint8_t gid_type;
 616        uint8_t reserved[3];
 617};
 618
 619struct pvrdma_cmd_destroy_bind {
 620        struct pvrdma_cmd_hdr hdr;
 621        uint32_t index;
 622        uint8_t dest_gid[16];
 623        uint8_t reserved[4];
 624};
 625
 626union pvrdma_cmd_req {
 627        struct pvrdma_cmd_hdr hdr;
 628        struct pvrdma_cmd_query_port query_port;
 629        struct pvrdma_cmd_query_pkey query_pkey;
 630        struct pvrdma_cmd_create_uc create_uc;
 631        struct pvrdma_cmd_destroy_uc destroy_uc;
 632        struct pvrdma_cmd_create_pd create_pd;
 633        struct pvrdma_cmd_destroy_pd destroy_pd;
 634        struct pvrdma_cmd_create_mr create_mr;
 635        struct pvrdma_cmd_destroy_mr destroy_mr;
 636        struct pvrdma_cmd_create_cq create_cq;
 637        struct pvrdma_cmd_resize_cq resize_cq;
 638        struct pvrdma_cmd_destroy_cq destroy_cq;
 639        struct pvrdma_cmd_create_qp create_qp;
 640        struct pvrdma_cmd_modify_qp modify_qp;
 641        struct pvrdma_cmd_query_qp query_qp;
 642        struct pvrdma_cmd_destroy_qp destroy_qp;
 643        struct pvrdma_cmd_create_bind create_bind;
 644        struct pvrdma_cmd_destroy_bind destroy_bind;
 645        struct pvrdma_cmd_create_srq create_srq;
 646        struct pvrdma_cmd_modify_srq modify_srq;
 647        struct pvrdma_cmd_query_srq query_srq;
 648        struct pvrdma_cmd_destroy_srq destroy_srq;
 649};
 650
 651union pvrdma_cmd_resp {
 652        struct pvrdma_cmd_resp_hdr hdr;
 653        struct pvrdma_cmd_query_port_resp query_port_resp;
 654        struct pvrdma_cmd_query_pkey_resp query_pkey_resp;
 655        struct pvrdma_cmd_create_uc_resp create_uc_resp;
 656        struct pvrdma_cmd_create_pd_resp create_pd_resp;
 657        struct pvrdma_cmd_create_mr_resp create_mr_resp;
 658        struct pvrdma_cmd_create_cq_resp create_cq_resp;
 659        struct pvrdma_cmd_resize_cq_resp resize_cq_resp;
 660        struct pvrdma_cmd_create_qp_resp create_qp_resp;
 661        struct pvrdma_cmd_query_qp_resp query_qp_resp;
 662        struct pvrdma_cmd_destroy_qp_resp destroy_qp_resp;
 663        struct pvrdma_cmd_create_srq_resp create_srq_resp;
 664        struct pvrdma_cmd_query_srq_resp query_srq_resp;
 665};
 666
 667#endif /* __PVRDMA_DEV_API_H__ */
 668
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