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 /*
  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
 159 enum 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
 166 enum 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
 172 enum 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
 179 enum 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
 185 enum 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
 191 enum pvrdma_gos_type {
 192         PVRDMA_GOS_TYPE_UNK,            /* Unknown. */
 193         PVRDMA_GOS_TYPE_LINUX,          /* Linux. */
 194 };
 195
 196 enum pvrdma_device_mode {
 197         PVRDMA_DEVICE_MODE_ROCE,        /* RoCE. */
 198         PVRDMA_DEVICE_MODE_IWARP,       /* iWarp. */
 199         PVRDMA_DEVICE_MODE_IB,          /* InfiniBand. */
 200 };
 201
 202 struct pvrdma_gos_info {
 203         u32 gos_bits:2;                 /* W: PVRDMA_GOS_BITS_ */
 204         u32 gos_type:4;                 /* W: PVRDMA_GOS_TYPE_ */
 205         u32 gos_ver:16;                 /* W: Guest OS version. */
 206         u32 gos_misc:10;                /* W: Other. */
 207         u32 pad;                        /* Pad to 8-byte alignment. */
 208 };
 209
 210 struct pvrdma_device_caps {
 211         u64 fw_ver;                             /* R: Query device. */
 212         __be64 node_guid;
 213         __be64 sys_image_guid;
 214         u64 max_mr_size;
 215         u64 page_size_cap;
 216         u64 atomic_arg_sizes;                   /* EX verbs. */
 217         u32 ex_comp_mask;                       /* EX verbs. */
 218         u32 device_cap_flags2;                  /* EX verbs. */
 219         u32 max_fa_bit_boundary;                /* EX verbs. */
 220         u32 log_max_atomic_inline_arg;          /* EX verbs. */
 221         u32 vendor_id;
 222         u32 vendor_part_id;
 223         u32 hw_ver;
 224         u32 max_qp;
 225         u32 max_qp_wr;
 226         u32 device_cap_flags;
 227         u32 max_sge;
 228         u32 max_sge_rd;
 229         u32 max_cq;
 230         u32 max_cqe;
 231         u32 max_mr;
 232         u32 max_pd;
 233         u32 max_qp_rd_atom;
 234         u32 max_ee_rd_atom;
 235         u32 max_res_rd_atom;
 236         u32 max_qp_init_rd_atom;
 237         u32 max_ee_init_rd_atom;
 238         u32 max_ee;
 239         u32 max_rdd;
 240         u32 max_mw;
 241         u32 max_raw_ipv6_qp;
 242         u32 max_raw_ethy_qp;
 243         u32 max_mcast_grp;
 244         u32 max_mcast_qp_attach;
 245         u32 max_total_mcast_qp_attach;
 246         u32 max_ah;
 247         u32 max_fmr;
 248         u32 max_map_per_fmr;
 249         u32 max_srq;
 250         u32 max_srq_wr;
 251         u32 max_srq_sge;
 252         u32 max_uar;
 253         u32 gid_tbl_len;
 254         u16 max_pkeys;
 255         u8  local_ca_ack_delay;
 256         u8  phys_port_cnt;
 257         u8  mode;                               /* PVRDMA_DEVICE_MODE_ */
 258         u8  atomic_ops;                         /* PVRDMA_ATOMIC_OP_* bits */
 259         u8  bmme_flags;                         /* FRWR Mem Mgmt Extensions */
 260         u8  gid_types;                          /* PVRDMA_GID_TYPE_FLAG_ */
 261         u32 max_fast_reg_page_list_len;
 262 };
 263
 264 struct pvrdma_ring_page_info {
 265         u32 num_pages;                          /* Num pages incl. header. */
 266         u32 reserved;                           /* Reserved. */
 267         u64 pdir_dma;                           /* Page directory PA. */
 268 };
 269
 270 #pragma pack(push, 1)
 271
 272 struct pvrdma_device_shared_region {
 273         u32 driver_version;                     /* W: Driver version. */
 274         u32 pad;                                /* Pad to 8-byte align. */
 275         struct pvrdma_gos_info gos_info;        /* W: Guest OS information. */
 276         u64 cmd_slot_dma;                       /* W: Command slot address. */
 277         u64 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         u32 uar_pfn;                            /* W: UAR pageframe. */
 283         u32 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. */
 290 enum 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. */
 313 struct pvrdma_eqe {
 314         u32 type;       /* Event type. */
 315         u32 info;       /* Handle, other. */
 316 };
 317
 318 /* CQ notification queue element. */
 319 struct pvrdma_cqne {
 320         u32 info;       /* Handle */
 321 };
 322
 323 enum {
 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_MAX,
 343 };
 344
 345 enum {
 346         PVRDMA_CMD_FIRST_RESP = (1 << 31),
 347         PVRDMA_CMD_QUERY_PORT_RESP = PVRDMA_CMD_FIRST_RESP,
 348         PVRDMA_CMD_QUERY_PKEY_RESP,
 349         PVRDMA_CMD_CREATE_PD_RESP,
 350         PVRDMA_CMD_DESTROY_PD_RESP_NOOP,
 351         PVRDMA_CMD_CREATE_MR_RESP,
 352         PVRDMA_CMD_DESTROY_MR_RESP_NOOP,
 353         PVRDMA_CMD_CREATE_CQ_RESP,
 354         PVRDMA_CMD_RESIZE_CQ_RESP,
 355         PVRDMA_CMD_DESTROY_CQ_RESP_NOOP,
 356         PVRDMA_CMD_CREATE_QP_RESP,
 357         PVRDMA_CMD_MODIFY_QP_RESP,
 358         PVRDMA_CMD_QUERY_QP_RESP,
 359         PVRDMA_CMD_DESTROY_QP_RESP,
 360         PVRDMA_CMD_CREATE_UC_RESP,
 361         PVRDMA_CMD_DESTROY_UC_RESP_NOOP,
 362         PVRDMA_CMD_CREATE_BIND_RESP_NOOP,
 363         PVRDMA_CMD_DESTROY_BIND_RESP_NOOP,
 364         PVRDMA_CMD_MAX_RESP,
 365 };
 366
 367 struct pvrdma_cmd_hdr {
 368         u64 response;           /* Key for response lookup. */
 369         u32 cmd;                /* PVRDMA_CMD_ */
 370         u32 reserved;           /* Reserved. */
 371 };
 372
 373 struct pvrdma_cmd_resp_hdr {
 374         u64 response;           /* From cmd hdr. */
 375         u32 ack;                /* PVRDMA_CMD_XXX_RESP */
 376         u8 err;                 /* Error. */
 377         u8 reserved[3];         /* Reserved. */
 378 };
 379
 380 struct pvrdma_cmd_query_port {
 381         struct pvrdma_cmd_hdr hdr;
 382         u8 port_num;
 383         u8 reserved[7];
 384 };
 385
 386 struct pvrdma_cmd_query_port_resp {
 387         struct pvrdma_cmd_resp_hdr hdr;
 388         struct pvrdma_port_attr attrs;
 389 };
 390
 391 struct pvrdma_cmd_query_pkey {
 392         struct pvrdma_cmd_hdr hdr;
 393         u8 port_num;
 394         u8 index;
 395         u8 reserved[6];
 396 };
 397
 398 struct pvrdma_cmd_query_pkey_resp {
 399         struct pvrdma_cmd_resp_hdr hdr;
 400         u16 pkey;
 401         u8 reserved[6];
 402 };
 403
 404 struct pvrdma_cmd_create_uc {
 405         struct pvrdma_cmd_hdr hdr;
 406         u32 pfn; /* UAR page frame number */
 407         u8 reserved[4];
 408 };
 409
 410 struct pvrdma_cmd_create_uc_resp {
 411         struct pvrdma_cmd_resp_hdr hdr;
 412         u32 ctx_handle;
 413         u8 reserved[4];
 414 };
 415
 416 struct pvrdma_cmd_destroy_uc {
 417         struct pvrdma_cmd_hdr hdr;
 418         u32 ctx_handle;
 419         u8 reserved[4];
 420 };
 421
 422 struct pvrdma_cmd_create_pd {
 423         struct pvrdma_cmd_hdr hdr;
 424         u32 ctx_handle;
 425         u8 reserved[4];
 426 };
 427
 428 struct pvrdma_cmd_create_pd_resp {
 429         struct pvrdma_cmd_resp_hdr hdr;
 430         u32 pd_handle;
 431         u8 reserved[4];
 432 };
 433
 434 struct pvrdma_cmd_destroy_pd {
 435         struct pvrdma_cmd_hdr hdr;
 436         u32 pd_handle;
 437         u8 reserved[4];
 438 };
 439
 440 struct pvrdma_cmd_create_mr {
 441         struct pvrdma_cmd_hdr hdr;
 442         u64 start;
 443         u64 length;
 444         u64 pdir_dma;
 445         u32 pd_handle;
 446         u32 access_flags;
 447         u32 flags;
 448         u32 nchunks;
 449 };
 450
 451 struct pvrdma_cmd_create_mr_resp {
 452         struct pvrdma_cmd_resp_hdr hdr;
 453         u32 mr_handle;
 454         u32 lkey;
 455         u32 rkey;
 456         u8 reserved[4];
 457 };
 458
 459 struct pvrdma_cmd_destroy_mr {
 460         struct pvrdma_cmd_hdr hdr;
 461         u32 mr_handle;
 462         u8 reserved[4];
 463 };
 464
 465 struct pvrdma_cmd_create_cq {
 466         struct pvrdma_cmd_hdr hdr;
 467         u64 pdir_dma;
 468         u32 ctx_handle;
 469         u32 cqe;
 470         u32 nchunks;
 471         u8 reserved[4];
 472 };
 473
 474 struct pvrdma_cmd_create_cq_resp {
 475         struct pvrdma_cmd_resp_hdr hdr;
 476         u32 cq_handle;
 477         u32 cqe;
 478 };
 479
 480 struct pvrdma_cmd_resize_cq {
 481         struct pvrdma_cmd_hdr hdr;
 482         u32 cq_handle;
 483         u32 cqe;
 484 };
 485
 486 struct pvrdma_cmd_resize_cq_resp {
 487         struct pvrdma_cmd_resp_hdr hdr;
 488         u32 cqe;
 489         u8 reserved[4];
 490 };
 491
 492 struct pvrdma_cmd_destroy_cq {
 493         struct pvrdma_cmd_hdr hdr;
 494         u32 cq_handle;
 495         u8 reserved[4];
 496 };
 497
 498 struct pvrdma_cmd_create_qp {
 499         struct pvrdma_cmd_hdr hdr;
 500         u64 pdir_dma;
 501         u32 pd_handle;
 502         u32 send_cq_handle;
 503         u32 recv_cq_handle;
 504         u32 srq_handle;
 505         u32 max_send_wr;
 506         u32 max_recv_wr;
 507         u32 max_send_sge;
 508         u32 max_recv_sge;
 509         u32 max_inline_data;
 510         u32 lkey;
 511         u32 access_flags;
 512         u16 total_chunks;
 513         u16 send_chunks;
 514         u16 max_atomic_arg;
 515         u8 sq_sig_all;
 516         u8 qp_type;
 517         u8 is_srq;
 518         u8 reserved[3];
 519 };
 520
 521 struct pvrdma_cmd_create_qp_resp {
 522         struct pvrdma_cmd_resp_hdr hdr;
 523         u32 qpn;
 524         u32 max_send_wr;
 525         u32 max_recv_wr;
 526         u32 max_send_sge;
 527         u32 max_recv_sge;
 528         u32 max_inline_data;
 529 };
 530
 531 struct pvrdma_cmd_modify_qp {
 532         struct pvrdma_cmd_hdr hdr;
 533         u32 qp_handle;
 534         u32 attr_mask;
 535         struct pvrdma_qp_attr attrs;
 536 };
 537
 538 struct pvrdma_cmd_query_qp {
 539         struct pvrdma_cmd_hdr hdr;
 540         u32 qp_handle;
 541         u32 attr_mask;
 542 };
 543
 544 struct pvrdma_cmd_query_qp_resp {
 545         struct pvrdma_cmd_resp_hdr hdr;
 546         struct pvrdma_qp_attr attrs;
 547 };
 548
 549 struct pvrdma_cmd_destroy_qp {
 550         struct pvrdma_cmd_hdr hdr;
 551         u32 qp_handle;
 552         u8 reserved[4];
 553 };
 554
 555 struct pvrdma_cmd_destroy_qp_resp {
 556         struct pvrdma_cmd_resp_hdr hdr;
 557         u32 events_reported;
 558         u8 reserved[4];
 559 };
 560
 561 struct pvrdma_cmd_create_bind {
 562         struct pvrdma_cmd_hdr hdr;
 563         u32 mtu;
 564         u32 vlan;
 565         u32 index;
 566         u8 new_gid[16];
 567         u8 gid_type;
 568         u8 reserved[3];
 569 };
 570
 571 struct pvrdma_cmd_destroy_bind {
 572         struct pvrdma_cmd_hdr hdr;
 573         u32 index;
 574         u8 dest_gid[16];
 575         u8 reserved[4];
 576 };
 577
 578 union pvrdma_cmd_req {
 579         struct pvrdma_cmd_hdr hdr;
 580         struct pvrdma_cmd_query_port query_port;
 581         struct pvrdma_cmd_query_pkey query_pkey;
 582         struct pvrdma_cmd_create_uc create_uc;
 583         struct pvrdma_cmd_destroy_uc destroy_uc;
 584         struct pvrdma_cmd_create_pd create_pd;
 585         struct pvrdma_cmd_destroy_pd destroy_pd;
 586         struct pvrdma_cmd_create_mr create_mr;
 587         struct pvrdma_cmd_destroy_mr destroy_mr;
 588         struct pvrdma_cmd_create_cq create_cq;
 589         struct pvrdma_cmd_resize_cq resize_cq;
 590         struct pvrdma_cmd_destroy_cq destroy_cq;
 591         struct pvrdma_cmd_create_qp create_qp;
 592         struct pvrdma_cmd_modify_qp modify_qp;
 593         struct pvrdma_cmd_query_qp query_qp;
 594         struct pvrdma_cmd_destroy_qp destroy_qp;
 595         struct pvrdma_cmd_create_bind create_bind;
 596         struct pvrdma_cmd_destroy_bind destroy_bind;
 597 };
 598
 599 union pvrdma_cmd_resp {
 600         struct pvrdma_cmd_resp_hdr hdr;
 601         struct pvrdma_cmd_query_port_resp query_port_resp;
 602         struct pvrdma_cmd_query_pkey_resp query_pkey_resp;
 603         struct pvrdma_cmd_create_uc_resp create_uc_resp;
 604         struct pvrdma_cmd_create_pd_resp create_pd_resp;
 605         struct pvrdma_cmd_create_mr_resp create_mr_resp;
 606         struct pvrdma_cmd_create_cq_resp create_cq_resp;
 607         struct pvrdma_cmd_resize_cq_resp resize_cq_resp;
 608         struct pvrdma_cmd_create_qp_resp create_qp_resp;
 609         struct pvrdma_cmd_query_qp_resp query_qp_resp;
 610         struct pvrdma_cmd_destroy_qp_resp destroy_qp_resp;
 611 };
 612
 613 #endif /* __PVRDMA_DEV_API_H__ */