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_PPN64_VERSION 19 61 #define PVRDMA_VERSION PVRDMA_PPN64_VERSION 62 63 #define PVRDMA_BOARD_ID 1 64 #define PVRDMA_REV_ID 1 65 66 /* 67 * Masks and accessors for page directory, which is a two-level lookup: 68 * page directory -> page table -> page. Only one directory for now, but we 69 * could expand that easily. 9 bits for tables, 9 bits for pages, gives one 70 * gigabyte for memory regions and so forth. 71 */ 72 73 #define PVRDMA_PDIR_SHIFT 18 74 #define PVRDMA_PTABLE_SHIFT 9 75 #define PVRDMA_PAGE_DIR_DIR(x) (((x) >> PVRDMA_PDIR_SHIFT) & 0x1) 76 #define PVRDMA_PAGE_DIR_TABLE(x) (((x) >> PVRDMA_PTABLE_SHIFT) & 0x1ff) 77 #define PVRDMA_PAGE_DIR_PAGE(x) ((x) & 0x1ff) 78 #define PVRDMA_PAGE_DIR_MAX_PAGES (1 * 512 * 512) 79 #define PVRDMA_MAX_FAST_REG_PAGES 128 80 81 /* 82 * Max MSI-X vectors. 83 */ 84 85 #define PVRDMA_MAX_INTERRUPTS 3 86 87 /* Register offsets within PCI resource on BAR1. */ 88 #define PVRDMA_REG_VERSION 0x00 /* R: Version of device. */ 89 #define PVRDMA_REG_DSRLOW 0x04 /* W: Device shared region low PA. */ 90 #define PVRDMA_REG_DSRHIGH 0x08 /* W: Device shared region high PA. */ 91 #define PVRDMA_REG_CTL 0x0c /* W: PVRDMA_DEVICE_CTL */ 92 #define PVRDMA_REG_REQUEST 0x10 /* W: Indicate device request. */ 93 #define PVRDMA_REG_ERR 0x14 /* R: Device error. */ 94 #define PVRDMA_REG_ICR 0x18 /* R: Interrupt cause. */ 95 #define PVRDMA_REG_IMR 0x1c /* R/W: Interrupt mask. */ 96 #define PVRDMA_REG_MACL 0x20 /* R/W: MAC address low. */ 97 #define PVRDMA_REG_MACH 0x24 /* R/W: MAC address high. */ 98 99 /* Object flags. */ 100 #define PVRDMA_CQ_FLAG_ARMED_SOL BIT(0) /* Armed for solicited-only. */ 101 #define PVRDMA_CQ_FLAG_ARMED BIT(1) /* Armed. */ 102 #define PVRDMA_MR_FLAG_DMA BIT(0) /* DMA region. */ 103 #define PVRDMA_MR_FLAG_FRMR BIT(1) /* Fast reg memory region. */ 104 105 /* 106 * Atomic operation capability (masked versions are extended atomic 107 * operations. 108 */ 109 110 #define PVRDMA_ATOMIC_OP_COMP_SWAP BIT(0) /* Compare and swap. */ 111 #define PVRDMA_ATOMIC_OP_FETCH_ADD BIT(1) /* Fetch and add. */ 112 #define PVRDMA_ATOMIC_OP_MASK_COMP_SWAP BIT(2) /* Masked compare and swap. */ 113 #define PVRDMA_ATOMIC_OP_MASK_FETCH_ADD BIT(3) /* Masked fetch and add. */ 114 115 /* 116 * Base Memory Management Extension flags to support Fast Reg Memory Regions 117 * and Fast Reg Work Requests. Each flag represents a verb operation and we 118 * must support all of them to qualify for the BMME device cap. 119 */ 120 121 #define PVRDMA_BMME_FLAG_LOCAL_INV BIT(0) /* Local Invalidate. */ 122 #define PVRDMA_BMME_FLAG_REMOTE_INV BIT(1) /* Remote Invalidate. */ 123 #define PVRDMA_BMME_FLAG_FAST_REG_WR BIT(2) /* Fast Reg Work Request. */ 124 125 /* 126 * GID types. The interpretation of the gid_types bit field in the device 127 * capabilities will depend on the device mode. For now, the device only 128 * supports RoCE as mode, so only the different GID types for RoCE are 129 * defined. 130 */ 131 132 #define PVRDMA_GID_TYPE_FLAG_ROCE_V1 BIT(0) 133 #define PVRDMA_GID_TYPE_FLAG_ROCE_V2 BIT(1) 134 135 /* 136 * Version checks. This checks whether each version supports specific 137 * capabilities from the device. 138 */ 139 140 #define PVRDMA_IS_VERSION17(_dev) \ 141 (_dev->dsr_version == PVRDMA_ROCEV1_VERSION && \ 142 _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1) 143 144 #define PVRDMA_IS_VERSION18(_dev) \ 145 (_dev->dsr_version >= PVRDMA_ROCEV2_VERSION && \ 146 (_dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1 || \ 147 _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V2)) \ 148 149 #define PVRDMA_SUPPORTED(_dev) \ 150 ((_dev->dsr->caps.mode == PVRDMA_DEVICE_MODE_ROCE) && \ 151 (PVRDMA_IS_VERSION17(_dev) || PVRDMA_IS_VERSION18(_dev))) 152 153 /* 154 * Get capability values based on device version. 155 */ 156 157 #define PVRDMA_GET_CAP(_dev, _old_val, _val) \ 158 ((PVRDMA_IS_VERSION18(_dev)) ? _val : _old_val) 159 160 enum pvrdma_pci_resource { 161 PVRDMA_PCI_RESOURCE_MSIX, /* BAR0: MSI-X, MMIO. */ 162 PVRDMA_PCI_RESOURCE_REG, /* BAR1: Registers, MMIO. */ 163 PVRDMA_PCI_RESOURCE_UAR, /* BAR2: UAR pages, MMIO, 64-bit. */ 164 PVRDMA_PCI_RESOURCE_LAST, /* Last. */ 165 }; 166 167 enum pvrdma_device_ctl { 168 PVRDMA_DEVICE_CTL_ACTIVATE, /* Activate device. */ 169 PVRDMA_DEVICE_CTL_UNQUIESCE, /* Unquiesce device. */ 170 PVRDMA_DEVICE_CTL_RESET, /* Reset device. */ 171 }; 172 173 enum pvrdma_intr_vector { 174 PVRDMA_INTR_VECTOR_RESPONSE, /* Command response. */ 175 PVRDMA_INTR_VECTOR_ASYNC, /* Async events. */ 176 PVRDMA_INTR_VECTOR_CQ, /* CQ notification. */ 177 /* Additional CQ notification vectors. */ 178 }; 179 180 enum pvrdma_intr_cause { 181 PVRDMA_INTR_CAUSE_RESPONSE = (1 << PVRDMA_INTR_VECTOR_RESPONSE), 182 PVRDMA_INTR_CAUSE_ASYNC = (1 << PVRDMA_INTR_VECTOR_ASYNC), 183 PVRDMA_INTR_CAUSE_CQ = (1 << PVRDMA_INTR_VECTOR_CQ), 184 }; 185 186 enum pvrdma_gos_bits { 187 PVRDMA_GOS_BITS_UNK, /* Unknown. */ 188 PVRDMA_GOS_BITS_32, /* 32-bit. */ 189 PVRDMA_GOS_BITS_64, /* 64-bit. */ 190 }; 191 192 enum pvrdma_gos_type { 193 PVRDMA_GOS_TYPE_UNK, /* Unknown. */ 194 PVRDMA_GOS_TYPE_LINUX, /* Linux. */ 195 }; 196 197 enum pvrdma_device_mode { 198 PVRDMA_DEVICE_MODE_ROCE, /* RoCE. */ 199 PVRDMA_DEVICE_MODE_IWARP, /* iWarp. */ 200 PVRDMA_DEVICE_MODE_IB, /* InfiniBand. */ 201 }; 202 203 struct pvrdma_gos_info { 204 uint32_t gos_bits:2; /* W: PVRDMA_GOS_BITS_ */ 205 uint32_t gos_type:4; /* W: PVRDMA_GOS_TYPE_ */ 206 uint32_t gos_ver:16; /* W: Guest OS version. */ 207 uint32_t gos_misc:10; /* W: Other. */ 208 uint32_t pad; /* Pad to 8-byte alignment. */ 209 }; 210 211 struct pvrdma_device_caps { 212 uint64_t fw_ver; /* R: Query device. */ 213 uint64_t node_guid; 214 uint64_t sys_image_guid; 215 uint64_t max_mr_size; 216 uint64_t page_size_cap; 217 uint64_t atomic_arg_sizes; /* EX verbs. */ 218 uint32_t ex_comp_mask; /* EX verbs. */ 219 uint32_t device_cap_flags2; /* EX verbs. */ 220 uint32_t max_fa_bit_boundary; /* EX verbs. */ 221 uint32_t log_max_atomic_inline_arg; /* EX verbs. */ 222 uint32_t vendor_id; 223 uint32_t vendor_part_id; 224 uint32_t hw_ver; 225 uint32_t max_qp; 226 uint32_t max_qp_wr; 227 uint32_t device_cap_flags; 228 uint32_t max_sge; 229 uint32_t max_sge_rd; 230 uint32_t max_cq; 231 uint32_t max_cqe; 232 uint32_t max_mr; 233 uint32_t max_pd; 234 uint32_t max_qp_rd_atom; 235 uint32_t max_ee_rd_atom; 236 uint32_t max_res_rd_atom; 237 uint32_t max_qp_init_rd_atom; 238 uint32_t max_ee_init_rd_atom; 239 uint32_t max_ee; 240 uint32_t max_rdd; 241 uint32_t max_mw; 242 uint32_t max_raw_ipv6_qp; 243 uint32_t max_raw_ethy_qp; 244 uint32_t max_mcast_grp; 245 uint32_t max_mcast_qp_attach; 246 uint32_t max_total_mcast_qp_attach; 247 uint32_t max_ah; 248 uint32_t max_fmr; 249 uint32_t max_map_per_fmr; 250 uint32_t max_srq; 251 uint32_t max_srq_wr; 252 uint32_t max_srq_sge; 253 uint32_t max_uar; 254 uint32_t gid_tbl_len; 255 uint16_t max_pkeys; 256 uint8_t local_ca_ack_delay; 257 uint8_t phys_port_cnt; 258 uint8_t mode; /* PVRDMA_DEVICE_MODE_ */ 259 uint8_t atomic_ops; /* PVRDMA_ATOMIC_OP_* bits */ 260 uint8_t bmme_flags; /* FRWR Mem Mgmt Extensions */ 261 uint8_t gid_types; /* PVRDMA_GID_TYPE_FLAG_ */ 262 uint32_t max_fast_reg_page_list_len; 263 }; 264 265 struct pvrdma_ring_page_info { 266 uint32_t num_pages; /* Num pages incl. header. */ 267 uint32_t reserved; /* Reserved. */ 268 uint64_t pdir_dma; /* Page directory PA. */ 269 }; 270 271 #pragma pack(push, 1) 272 273 struct pvrdma_device_shared_region { 274 uint32_t driver_version; /* W: Driver version. */ 275 uint32_t pad; /* Pad to 8-byte align. */ 276 struct pvrdma_gos_info gos_info; /* W: Guest OS information. */ 277 uint64_t cmd_slot_dma; /* W: Command slot address. */ 278 uint64_t resp_slot_dma; /* W: Response slot address. */ 279 struct pvrdma_ring_page_info async_ring_pages; 280 /* W: Async ring page info. */ 281 struct pvrdma_ring_page_info cq_ring_pages; 282 /* W: CQ ring page info. */ 283 union { 284 uint32_t uar_pfn; /* W: UAR pageframe. */ 285 uint64_t uar_pfn64; /* W: 64-bit UAR page frame. */ 286 }; 287 struct pvrdma_device_caps caps; /* R: Device capabilities. */ 288 }; 289 290 #pragma pack(pop) 291 292 /* Event types. Currently a 1:1 mapping with enum ib_event. */ 293 enum pvrdma_eqe_type { 294 PVRDMA_EVENT_CQ_ERR, 295 PVRDMA_EVENT_QP_FATAL, 296 PVRDMA_EVENT_QP_REQ_ERR, 297 PVRDMA_EVENT_QP_ACCESS_ERR, 298 PVRDMA_EVENT_COMM_EST, 299 PVRDMA_EVENT_SQ_DRAINED, 300 PVRDMA_EVENT_PATH_MIG, 301 PVRDMA_EVENT_PATH_MIG_ERR, 302 PVRDMA_EVENT_DEVICE_FATAL, 303 PVRDMA_EVENT_PORT_ACTIVE, 304 PVRDMA_EVENT_PORT_ERR, 305 PVRDMA_EVENT_LID_CHANGE, 306 PVRDMA_EVENT_PKEY_CHANGE, 307 PVRDMA_EVENT_SM_CHANGE, 308 PVRDMA_EVENT_SRQ_ERR, 309 PVRDMA_EVENT_SRQ_LIMIT_REACHED, 310 PVRDMA_EVENT_QP_LAST_WQE_REACHED, 311 PVRDMA_EVENT_CLIENT_REREGISTER, 312 PVRDMA_EVENT_GID_CHANGE, 313 }; 314 315 /* Event queue element. */ 316 struct pvrdma_eqe { 317 uint32_t type; /* Event type. */ 318 uint32_t info; /* Handle, other. */ 319 }; 320 321 /* CQ notification queue element. */ 322 struct pvrdma_cqne { 323 uint32_t info; /* Handle */ 324 }; 325 326 enum { 327 PVRDMA_CMD_FIRST, 328 PVRDMA_CMD_QUERY_PORT = PVRDMA_CMD_FIRST, 329 PVRDMA_CMD_QUERY_PKEY, 330 PVRDMA_CMD_CREATE_PD, 331 PVRDMA_CMD_DESTROY_PD, 332 PVRDMA_CMD_CREATE_MR, 333 PVRDMA_CMD_DESTROY_MR, 334 PVRDMA_CMD_CREATE_CQ, 335 PVRDMA_CMD_RESIZE_CQ, 336 PVRDMA_CMD_DESTROY_CQ, 337 PVRDMA_CMD_CREATE_QP, 338 PVRDMA_CMD_MODIFY_QP, 339 PVRDMA_CMD_QUERY_QP, 340 PVRDMA_CMD_DESTROY_QP, 341 PVRDMA_CMD_CREATE_UC, 342 PVRDMA_CMD_DESTROY_UC, 343 PVRDMA_CMD_CREATE_BIND, 344 PVRDMA_CMD_DESTROY_BIND, 345 PVRDMA_CMD_CREATE_SRQ, 346 PVRDMA_CMD_MODIFY_SRQ, 347 PVRDMA_CMD_QUERY_SRQ, 348 PVRDMA_CMD_DESTROY_SRQ, 349 PVRDMA_CMD_MAX, 350 }; 351 352 enum { 353 PVRDMA_CMD_FIRST_RESP = (1 << 31), 354 PVRDMA_CMD_QUERY_PORT_RESP = PVRDMA_CMD_FIRST_RESP, 355 PVRDMA_CMD_QUERY_PKEY_RESP, 356 PVRDMA_CMD_CREATE_PD_RESP, 357 PVRDMA_CMD_DESTROY_PD_RESP_NOOP, 358 PVRDMA_CMD_CREATE_MR_RESP, 359 PVRDMA_CMD_DESTROY_MR_RESP_NOOP, 360 PVRDMA_CMD_CREATE_CQ_RESP, 361 PVRDMA_CMD_RESIZE_CQ_RESP, 362 PVRDMA_CMD_DESTROY_CQ_RESP_NOOP, 363 PVRDMA_CMD_CREATE_QP_RESP, 364 PVRDMA_CMD_MODIFY_QP_RESP, 365 PVRDMA_CMD_QUERY_QP_RESP, 366 PVRDMA_CMD_DESTROY_QP_RESP, 367 PVRDMA_CMD_CREATE_UC_RESP, 368 PVRDMA_CMD_DESTROY_UC_RESP_NOOP, 369 PVRDMA_CMD_CREATE_BIND_RESP_NOOP, 370 PVRDMA_CMD_DESTROY_BIND_RESP_NOOP, 371 PVRDMA_CMD_CREATE_SRQ_RESP, 372 PVRDMA_CMD_MODIFY_SRQ_RESP, 373 PVRDMA_CMD_QUERY_SRQ_RESP, 374 PVRDMA_CMD_DESTROY_SRQ_RESP, 375 PVRDMA_CMD_MAX_RESP, 376 }; 377 378 struct pvrdma_cmd_hdr { 379 uint64_t response; /* Key for response lookup. */ 380 uint32_t cmd; /* PVRDMA_CMD_ */ 381 uint32_t reserved; /* Reserved. */ 382 }; 383 384 struct pvrdma_cmd_resp_hdr { 385 uint64_t response; /* From cmd hdr. */ 386 uint32_t ack; /* PVRDMA_CMD_XXX_RESP */ 387 uint8_t err; /* Error. */ 388 uint8_t reserved[3]; /* Reserved. */ 389 }; 390 391 struct pvrdma_cmd_query_port { 392 struct pvrdma_cmd_hdr hdr; 393 uint8_t port_num; 394 uint8_t reserved[7]; 395 }; 396 397 struct pvrdma_cmd_query_port_resp { 398 struct pvrdma_cmd_resp_hdr hdr; 399 struct pvrdma_port_attr attrs; 400 }; 401 402 struct pvrdma_cmd_query_pkey { 403 struct pvrdma_cmd_hdr hdr; 404 uint8_t port_num; 405 uint8_t index; 406 uint8_t reserved[6]; 407 }; 408 409 struct pvrdma_cmd_query_pkey_resp { 410 struct pvrdma_cmd_resp_hdr hdr; 411 uint16_t pkey; 412 uint8_t reserved[6]; 413 }; 414 415 struct pvrdma_cmd_create_uc { 416 struct pvrdma_cmd_hdr hdr; 417 union { 418 uint32_t pfn; /* UAR page frame number */ 419 uint64_t pfn64; /* 64-bit UAR page frame number */ 420 }; 421 }; 422 423 struct pvrdma_cmd_create_uc_resp { 424 struct pvrdma_cmd_resp_hdr hdr; 425 uint32_t ctx_handle; 426 uint8_t reserved[4]; 427 }; 428 429 struct pvrdma_cmd_destroy_uc { 430 struct pvrdma_cmd_hdr hdr; 431 uint32_t ctx_handle; 432 uint8_t reserved[4]; 433 }; 434 435 struct pvrdma_cmd_create_pd { 436 struct pvrdma_cmd_hdr hdr; 437 uint32_t ctx_handle; 438 uint8_t reserved[4]; 439 }; 440 441 struct pvrdma_cmd_create_pd_resp { 442 struct pvrdma_cmd_resp_hdr hdr; 443 uint32_t pd_handle; 444 uint8_t reserved[4]; 445 }; 446 447 struct pvrdma_cmd_destroy_pd { 448 struct pvrdma_cmd_hdr hdr; 449 uint32_t pd_handle; 450 uint8_t reserved[4]; 451 }; 452 453 struct pvrdma_cmd_create_mr { 454 struct pvrdma_cmd_hdr hdr; 455 uint64_t start; 456 uint64_t length; 457 uint64_t pdir_dma; 458 uint32_t pd_handle; 459 uint32_t access_flags; 460 uint32_t flags; 461 uint32_t nchunks; 462 }; 463 464 struct pvrdma_cmd_create_mr_resp { 465 struct pvrdma_cmd_resp_hdr hdr; 466 uint32_t mr_handle; 467 uint32_t lkey; 468 uint32_t rkey; 469 uint8_t reserved[4]; 470 }; 471 472 struct pvrdma_cmd_destroy_mr { 473 struct pvrdma_cmd_hdr hdr; 474 uint32_t mr_handle; 475 uint8_t reserved[4]; 476 }; 477 478 struct pvrdma_cmd_create_cq { 479 struct pvrdma_cmd_hdr hdr; 480 uint64_t pdir_dma; 481 uint32_t ctx_handle; 482 uint32_t cqe; 483 uint32_t nchunks; 484 uint8_t reserved[4]; 485 }; 486 487 struct pvrdma_cmd_create_cq_resp { 488 struct pvrdma_cmd_resp_hdr hdr; 489 uint32_t cq_handle; 490 uint32_t cqe; 491 }; 492 493 struct pvrdma_cmd_resize_cq { 494 struct pvrdma_cmd_hdr hdr; 495 uint32_t cq_handle; 496 uint32_t cqe; 497 }; 498 499 struct pvrdma_cmd_resize_cq_resp { 500 struct pvrdma_cmd_resp_hdr hdr; 501 uint32_t cqe; 502 uint8_t reserved[4]; 503 }; 504 505 struct pvrdma_cmd_destroy_cq { 506 struct pvrdma_cmd_hdr hdr; 507 uint32_t cq_handle; 508 uint8_t reserved[4]; 509 }; 510 511 struct pvrdma_cmd_create_srq { 512 struct pvrdma_cmd_hdr hdr; 513 uint64_t pdir_dma; 514 uint32_t pd_handle; 515 uint32_t nchunks; 516 struct pvrdma_srq_attr attrs; 517 uint8_t srq_type; 518 uint8_t reserved[7]; 519 }; 520 521 struct pvrdma_cmd_create_srq_resp { 522 struct pvrdma_cmd_resp_hdr hdr; 523 uint32_t srqn; 524 uint8_t reserved[4]; 525 }; 526 527 struct pvrdma_cmd_modify_srq { 528 struct pvrdma_cmd_hdr hdr; 529 uint32_t srq_handle; 530 uint32_t attr_mask; 531 struct pvrdma_srq_attr attrs; 532 }; 533 534 struct pvrdma_cmd_query_srq { 535 struct pvrdma_cmd_hdr hdr; 536 uint32_t srq_handle; 537 uint8_t reserved[4]; 538 }; 539 540 struct pvrdma_cmd_query_srq_resp { 541 struct pvrdma_cmd_resp_hdr hdr; 542 struct pvrdma_srq_attr attrs; 543 }; 544 545 struct pvrdma_cmd_destroy_srq { 546 struct pvrdma_cmd_hdr hdr; 547 uint32_t srq_handle; 548 uint8_t reserved[4]; 549 }; 550 551 struct pvrdma_cmd_create_qp { 552 struct pvrdma_cmd_hdr hdr; 553 uint64_t pdir_dma; 554 uint32_t pd_handle; 555 uint32_t send_cq_handle; 556 uint32_t recv_cq_handle; 557 uint32_t srq_handle; 558 uint32_t max_send_wr; 559 uint32_t max_recv_wr; 560 uint32_t max_send_sge; 561 uint32_t max_recv_sge; 562 uint32_t max_inline_data; 563 uint32_t lkey; 564 uint32_t access_flags; 565 uint16_t total_chunks; 566 uint16_t send_chunks; 567 uint16_t max_atomic_arg; 568 uint8_t sq_sig_all; 569 uint8_t qp_type; 570 uint8_t is_srq; 571 uint8_t reserved[3]; 572 }; 573 574 struct pvrdma_cmd_create_qp_resp { 575 struct pvrdma_cmd_resp_hdr hdr; 576 uint32_t qpn; 577 uint32_t max_send_wr; 578 uint32_t max_recv_wr; 579 uint32_t max_send_sge; 580 uint32_t max_recv_sge; 581 uint32_t max_inline_data; 582 }; 583 584 struct pvrdma_cmd_modify_qp { 585 struct pvrdma_cmd_hdr hdr; 586 uint32_t qp_handle; 587 uint32_t attr_mask; 588 struct pvrdma_qp_attr attrs; 589 }; 590 591 struct pvrdma_cmd_query_qp { 592 struct pvrdma_cmd_hdr hdr; 593 uint32_t qp_handle; 594 uint32_t attr_mask; 595 }; 596 597 struct pvrdma_cmd_query_qp_resp { 598 struct pvrdma_cmd_resp_hdr hdr; 599 struct pvrdma_qp_attr attrs; 600 }; 601 602 struct pvrdma_cmd_destroy_qp { 603 struct pvrdma_cmd_hdr hdr; 604 uint32_t qp_handle; 605 uint8_t reserved[4]; 606 }; 607 608 struct pvrdma_cmd_destroy_qp_resp { 609 struct pvrdma_cmd_resp_hdr hdr; 610 uint32_t events_reported; 611 uint8_t reserved[4]; 612 }; 613 614 struct pvrdma_cmd_create_bind { 615 struct pvrdma_cmd_hdr hdr; 616 uint32_t mtu; 617 uint32_t vlan; 618 uint32_t index; 619 uint8_t new_gid[16]; 620 uint8_t gid_type; 621 uint8_t reserved[3]; 622 }; 623 624 struct pvrdma_cmd_destroy_bind { 625 struct pvrdma_cmd_hdr hdr; 626 uint32_t index; 627 uint8_t dest_gid[16]; 628 uint8_t reserved[4]; 629 }; 630 631 union pvrdma_cmd_req { 632 struct pvrdma_cmd_hdr hdr; 633 struct pvrdma_cmd_query_port query_port; 634 struct pvrdma_cmd_query_pkey query_pkey; 635 struct pvrdma_cmd_create_uc create_uc; 636 struct pvrdma_cmd_destroy_uc destroy_uc; 637 struct pvrdma_cmd_create_pd create_pd; 638 struct pvrdma_cmd_destroy_pd destroy_pd; 639 struct pvrdma_cmd_create_mr create_mr; 640 struct pvrdma_cmd_destroy_mr destroy_mr; 641 struct pvrdma_cmd_create_cq create_cq; 642 struct pvrdma_cmd_resize_cq resize_cq; 643 struct pvrdma_cmd_destroy_cq destroy_cq; 644 struct pvrdma_cmd_create_qp create_qp; 645 struct pvrdma_cmd_modify_qp modify_qp; 646 struct pvrdma_cmd_query_qp query_qp; 647 struct pvrdma_cmd_destroy_qp destroy_qp; 648 struct pvrdma_cmd_create_bind create_bind; 649 struct pvrdma_cmd_destroy_bind destroy_bind; 650 struct pvrdma_cmd_create_srq create_srq; 651 struct pvrdma_cmd_modify_srq modify_srq; 652 struct pvrdma_cmd_query_srq query_srq; 653 struct pvrdma_cmd_destroy_srq destroy_srq; 654 }; 655 656 union pvrdma_cmd_resp { 657 struct pvrdma_cmd_resp_hdr hdr; 658 struct pvrdma_cmd_query_port_resp query_port_resp; 659 struct pvrdma_cmd_query_pkey_resp query_pkey_resp; 660 struct pvrdma_cmd_create_uc_resp create_uc_resp; 661 struct pvrdma_cmd_create_pd_resp create_pd_resp; 662 struct pvrdma_cmd_create_mr_resp create_mr_resp; 663 struct pvrdma_cmd_create_cq_resp create_cq_resp; 664 struct pvrdma_cmd_resize_cq_resp resize_cq_resp; 665 struct pvrdma_cmd_create_qp_resp create_qp_resp; 666 struct pvrdma_cmd_query_qp_resp query_qp_resp; 667 struct pvrdma_cmd_destroy_qp_resp destroy_qp_resp; 668 struct pvrdma_cmd_create_srq_resp create_srq_resp; 669 struct pvrdma_cmd_query_srq_resp query_srq_resp; 670 }; 671 672 #endif /* __PVRDMA_DEV_API_H__ */ 673