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) 158 159 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 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 }; 209 210 struct 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 }; 263 264 struct 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) 271 272 struct 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. */ 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 uint32_t type; /* Event type. */ 315 uint32_t info; /* Handle, other. */ 316 }; 317 318 /* CQ notification queue element. */ 319 struct pvrdma_cqne { 320 uint32_t 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_CREATE_SRQ, 343 PVRDMA_CMD_MODIFY_SRQ, 344 PVRDMA_CMD_QUERY_SRQ, 345 PVRDMA_CMD_DESTROY_SRQ, 346 PVRDMA_CMD_MAX, 347 }; 348 349 enum { 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 }; 374 375 struct pvrdma_cmd_hdr { 376 uint64_t response; /* Key for response lookup. */ 377 uint32_t cmd; /* PVRDMA_CMD_ */ 378 uint32_t reserved; /* Reserved. */ 379 }; 380 381 struct 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 }; 387 388 struct pvrdma_cmd_query_port { 389 struct pvrdma_cmd_hdr hdr; 390 uint8_t port_num; 391 uint8_t reserved[7]; 392 }; 393 394 struct pvrdma_cmd_query_port_resp { 395 struct pvrdma_cmd_resp_hdr hdr; 396 struct pvrdma_port_attr attrs; 397 }; 398 399 struct 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 }; 405 406 struct pvrdma_cmd_query_pkey_resp { 407 struct pvrdma_cmd_resp_hdr hdr; 408 uint16_t pkey; 409 uint8_t reserved[6]; 410 }; 411 412 struct pvrdma_cmd_create_uc { 413 struct pvrdma_cmd_hdr hdr; 414 uint32_t pfn; /* UAR page frame number */ 415 uint8_t reserved[4]; 416 }; 417 418 struct pvrdma_cmd_create_uc_resp { 419 struct pvrdma_cmd_resp_hdr hdr; 420 uint32_t ctx_handle; 421 uint8_t reserved[4]; 422 }; 423 424 struct pvrdma_cmd_destroy_uc { 425 struct pvrdma_cmd_hdr hdr; 426 uint32_t ctx_handle; 427 uint8_t reserved[4]; 428 }; 429 430 struct pvrdma_cmd_create_pd { 431 struct pvrdma_cmd_hdr hdr; 432 uint32_t ctx_handle; 433 uint8_t reserved[4]; 434 }; 435 436 struct pvrdma_cmd_create_pd_resp { 437 struct pvrdma_cmd_resp_hdr hdr; 438 uint32_t pd_handle; 439 uint8_t reserved[4]; 440 }; 441 442 struct pvrdma_cmd_destroy_pd { 443 struct pvrdma_cmd_hdr hdr; 444 uint32_t pd_handle; 445 uint8_t reserved[4]; 446 }; 447 448 struct 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 }; 458 459 struct 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 }; 466 467 struct pvrdma_cmd_destroy_mr { 468 struct pvrdma_cmd_hdr hdr; 469 uint32_t mr_handle; 470 uint8_t reserved[4]; 471 }; 472 473 struct 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 }; 481 482 struct pvrdma_cmd_create_cq_resp { 483 struct pvrdma_cmd_resp_hdr hdr; 484 uint32_t cq_handle; 485 uint32_t cqe; 486 }; 487 488 struct pvrdma_cmd_resize_cq { 489 struct pvrdma_cmd_hdr hdr; 490 uint32_t cq_handle; 491 uint32_t cqe; 492 }; 493 494 struct pvrdma_cmd_resize_cq_resp { 495 struct pvrdma_cmd_resp_hdr hdr; 496 uint32_t cqe; 497 uint8_t reserved[4]; 498 }; 499 500 struct pvrdma_cmd_destroy_cq { 501 struct pvrdma_cmd_hdr hdr; 502 uint32_t cq_handle; 503 uint8_t reserved[4]; 504 }; 505 506 struct 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 }; 515 516 struct pvrdma_cmd_create_srq_resp { 517 struct pvrdma_cmd_resp_hdr hdr; 518 uint32_t srqn; 519 uint8_t reserved[4]; 520 }; 521 522 struct 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 }; 528 529 struct pvrdma_cmd_query_srq { 530 struct pvrdma_cmd_hdr hdr; 531 uint32_t srq_handle; 532 uint8_t reserved[4]; 533 }; 534 535 struct pvrdma_cmd_query_srq_resp { 536 struct pvrdma_cmd_resp_hdr hdr; 537 struct pvrdma_srq_attr attrs; 538 }; 539 540 struct pvrdma_cmd_destroy_srq { 541 struct pvrdma_cmd_hdr hdr; 542 uint32_t srq_handle; 543 uint8_t reserved[4]; 544 }; 545 546 struct 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 }; 568 569 struct 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 }; 578 579 struct 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 }; 585 586 struct pvrdma_cmd_query_qp { 587 struct pvrdma_cmd_hdr hdr; 588 uint32_t qp_handle; 589 uint32_t attr_mask; 590 }; 591 592 struct pvrdma_cmd_query_qp_resp { 593 struct pvrdma_cmd_resp_hdr hdr; 594 struct pvrdma_qp_attr attrs; 595 }; 596 597 struct pvrdma_cmd_destroy_qp { 598 struct pvrdma_cmd_hdr hdr; 599 uint32_t qp_handle; 600 uint8_t reserved[4]; 601 }; 602 603 struct pvrdma_cmd_destroy_qp_resp { 604 struct pvrdma_cmd_resp_hdr hdr; 605 uint32_t events_reported; 606 uint8_t reserved[4]; 607 }; 608 609 struct 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 }; 618 619 struct 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 }; 625 626 union 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 }; 650 651 union 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