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_PPN64_VERSION 19 61 #define PVRDMA_QPHANDLE_VERSION 20 62 #define PVRDMA_VERSION PVRDMA_QPHANDLE_VERSION 63 64 #define PVRDMA_BOARD_ID 1 65 #define PVRDMA_REV_ID 1 66 67 /* 68 * Masks and accessors for page directory, which is a two-level lookup: 69 * page directory -> page table -> page. Only one directory for now, but we 70 * could expand that easily. 9 bits for tables, 9 bits for pages, gives one 71 * gigabyte for memory regions and so forth. 72 */ 73 74 #define PVRDMA_PDIR_SHIFT 18 75 #define PVRDMA_PTABLE_SHIFT 9 76 #define PVRDMA_PAGE_DIR_DIR(x) (((x) >> PVRDMA_PDIR_SHIFT) & 0x1) 77 #define PVRDMA_PAGE_DIR_TABLE(x) (((x) >> PVRDMA_PTABLE_SHIFT) & 0x1ff) 78 #define PVRDMA_PAGE_DIR_PAGE(x) ((x) & 0x1ff) 79 #define PVRDMA_PAGE_DIR_MAX_PAGES (1 * 512 * 512) 80 #define PVRDMA_MAX_FAST_REG_PAGES 128 81 82 /* 83 * Max MSI-X vectors. 84 */ 85 86 #define PVRDMA_MAX_INTERRUPTS 3 87 88 /* Register offsets within PCI resource on BAR1. */ 89 #define PVRDMA_REG_VERSION 0x00 /* R: Version of device. */ 90 #define PVRDMA_REG_DSRLOW 0x04 /* W: Device shared region low PA. */ 91 #define PVRDMA_REG_DSRHIGH 0x08 /* W: Device shared region high PA. */ 92 #define PVRDMA_REG_CTL 0x0c /* W: PVRDMA_DEVICE_CTL */ 93 #define PVRDMA_REG_REQUEST 0x10 /* W: Indicate device request. */ 94 #define PVRDMA_REG_ERR 0x14 /* R: Device error. */ 95 #define PVRDMA_REG_ICR 0x18 /* R: Interrupt cause. */ 96 #define PVRDMA_REG_IMR 0x1c /* R/W: Interrupt mask. */ 97 #define PVRDMA_REG_MACL 0x20 /* R/W: MAC address low. */ 98 #define PVRDMA_REG_MACH 0x24 /* R/W: MAC address high. */ 99 100 /* Object flags. */ 101 #define PVRDMA_CQ_FLAG_ARMED_SOL BIT(0) /* Armed for solicited-only. */ 102 #define PVRDMA_CQ_FLAG_ARMED BIT(1) /* Armed. */ 103 #define PVRDMA_MR_FLAG_DMA BIT(0) /* DMA region. */ 104 #define PVRDMA_MR_FLAG_FRMR BIT(1) /* Fast reg memory region. */ 105 106 /* 107 * Atomic operation capability (masked versions are extended atomic 108 * operations. 109 */ 110 111 #define PVRDMA_ATOMIC_OP_COMP_SWAP BIT(0) /* Compare and swap. */ 112 #define PVRDMA_ATOMIC_OP_FETCH_ADD BIT(1) /* Fetch and add. */ 113 #define PVRDMA_ATOMIC_OP_MASK_COMP_SWAP BIT(2) /* Masked compare and swap. */ 114 #define PVRDMA_ATOMIC_OP_MASK_FETCH_ADD BIT(3) /* Masked fetch and add. */ 115 116 /* 117 * Base Memory Management Extension flags to support Fast Reg Memory Regions 118 * and Fast Reg Work Requests. Each flag represents a verb operation and we 119 * must support all of them to qualify for the BMME device cap. 120 */ 121 122 #define PVRDMA_BMME_FLAG_LOCAL_INV BIT(0) /* Local Invalidate. */ 123 #define PVRDMA_BMME_FLAG_REMOTE_INV BIT(1) /* Remote Invalidate. */ 124 #define PVRDMA_BMME_FLAG_FAST_REG_WR BIT(2) /* Fast Reg Work Request. */ 125 126 /* 127 * GID types. The interpretation of the gid_types bit field in the device 128 * capabilities will depend on the device mode. For now, the device only 129 * supports RoCE as mode, so only the different GID types for RoCE are 130 * defined. 131 */ 132 133 #define PVRDMA_GID_TYPE_FLAG_ROCE_V1 BIT(0) 134 #define PVRDMA_GID_TYPE_FLAG_ROCE_V2 BIT(1) 135 136 /* 137 * Version checks. This checks whether each version supports specific 138 * capabilities from the device. 139 */ 140 141 #define PVRDMA_IS_VERSION17(_dev) \ 142 (_dev->dsr_version == PVRDMA_ROCEV1_VERSION && \ 143 _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1) 144 145 #define PVRDMA_IS_VERSION18(_dev) \ 146 (_dev->dsr_version >= PVRDMA_ROCEV2_VERSION && \ 147 (_dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1 || \ 148 _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V2)) \ 149 150 #define PVRDMA_SUPPORTED(_dev) \ 151 ((_dev->dsr->caps.mode == PVRDMA_DEVICE_MODE_ROCE) && \ 152 (PVRDMA_IS_VERSION17(_dev) || PVRDMA_IS_VERSION18(_dev))) 153 154 /* 155 * Get capability values based on device version. 156 */ 157 158 #define PVRDMA_GET_CAP(_dev, _old_val, _val) \ 159 ((PVRDMA_IS_VERSION18(_dev)) ? _val : _old_val) 160 161 enum pvrdma_pci_resource { 162 PVRDMA_PCI_RESOURCE_MSIX, /* BAR0: MSI-X, MMIO. */ 163 PVRDMA_PCI_RESOURCE_REG, /* BAR1: Registers, MMIO. */ 164 PVRDMA_PCI_RESOURCE_UAR, /* BAR2: UAR pages, MMIO, 64-bit. */ 165 PVRDMA_PCI_RESOURCE_LAST, /* Last. */ 166 }; 167 168 enum pvrdma_device_ctl { 169 PVRDMA_DEVICE_CTL_ACTIVATE, /* Activate device. */ 170 PVRDMA_DEVICE_CTL_UNQUIESCE, /* Unquiesce device. */ 171 PVRDMA_DEVICE_CTL_RESET, /* Reset device. */ 172 }; 173 174 enum pvrdma_intr_vector { 175 PVRDMA_INTR_VECTOR_RESPONSE, /* Command response. */ 176 PVRDMA_INTR_VECTOR_ASYNC, /* Async events. */ 177 PVRDMA_INTR_VECTOR_CQ, /* CQ notification. */ 178 /* Additional CQ notification vectors. */ 179 }; 180 181 enum pvrdma_intr_cause { 182 PVRDMA_INTR_CAUSE_RESPONSE = (1 << PVRDMA_INTR_VECTOR_RESPONSE), 183 PVRDMA_INTR_CAUSE_ASYNC = (1 << PVRDMA_INTR_VECTOR_ASYNC), 184 PVRDMA_INTR_CAUSE_CQ = (1 << PVRDMA_INTR_VECTOR_CQ), 185 }; 186 187 enum pvrdma_gos_bits { 188 PVRDMA_GOS_BITS_UNK, /* Unknown. */ 189 PVRDMA_GOS_BITS_32, /* 32-bit. */ 190 PVRDMA_GOS_BITS_64, /* 64-bit. */ 191 }; 192 193 enum pvrdma_gos_type { 194 PVRDMA_GOS_TYPE_UNK, /* Unknown. */ 195 PVRDMA_GOS_TYPE_LINUX, /* Linux. */ 196 }; 197 198 enum pvrdma_device_mode { 199 PVRDMA_DEVICE_MODE_ROCE, /* RoCE. */ 200 PVRDMA_DEVICE_MODE_IWARP, /* iWarp. */ 201 PVRDMA_DEVICE_MODE_IB, /* InfiniBand. */ 202 }; 203 204 struct pvrdma_gos_info { 205 u32 gos_bits:2; /* W: PVRDMA_GOS_BITS_ */ 206 u32 gos_type:4; /* W: PVRDMA_GOS_TYPE_ */ 207 u32 gos_ver:16; /* W: Guest OS version. */ 208 u32 gos_misc:10; /* W: Other. */ 209 u32 pad; /* Pad to 8-byte alignment. */ 210 }; 211 212 struct pvrdma_device_caps { 213 u64 fw_ver; /* R: Query device. */ 214 __be64 node_guid; 215 __be64 sys_image_guid; 216 u64 max_mr_size; 217 u64 page_size_cap; 218 u64 atomic_arg_sizes; /* EX verbs. */ 219 u32 ex_comp_mask; /* EX verbs. */ 220 u32 device_cap_flags2; /* EX verbs. */ 221 u32 max_fa_bit_boundary; /* EX verbs. */ 222 u32 log_max_atomic_inline_arg; /* EX verbs. */ 223 u32 vendor_id; 224 u32 vendor_part_id; 225 u32 hw_ver; 226 u32 max_qp; 227 u32 max_qp_wr; 228 u32 device_cap_flags; 229 u32 max_sge; 230 u32 max_sge_rd; 231 u32 max_cq; 232 u32 max_cqe; 233 u32 max_mr; 234 u32 max_pd; 235 u32 max_qp_rd_atom; 236 u32 max_ee_rd_atom; 237 u32 max_res_rd_atom; 238 u32 max_qp_init_rd_atom; 239 u32 max_ee_init_rd_atom; 240 u32 max_ee; 241 u32 max_rdd; 242 u32 max_mw; 243 u32 max_raw_ipv6_qp; 244 u32 max_raw_ethy_qp; 245 u32 max_mcast_grp; 246 u32 max_mcast_qp_attach; 247 u32 max_total_mcast_qp_attach; 248 u32 max_ah; 249 u32 max_fmr; 250 u32 max_map_per_fmr; 251 u32 max_srq; 252 u32 max_srq_wr; 253 u32 max_srq_sge; 254 u32 max_uar; 255 u32 gid_tbl_len; 256 u16 max_pkeys; 257 u8 local_ca_ack_delay; 258 u8 phys_port_cnt; 259 u8 mode; /* PVRDMA_DEVICE_MODE_ */ 260 u8 atomic_ops; /* PVRDMA_ATOMIC_OP_* bits */ 261 u8 bmme_flags; /* FRWR Mem Mgmt Extensions */ 262 u8 gid_types; /* PVRDMA_GID_TYPE_FLAG_ */ 263 u32 max_fast_reg_page_list_len; 264 }; 265 266 struct pvrdma_ring_page_info { 267 u32 num_pages; /* Num pages incl. header. */ 268 u32 reserved; /* Reserved. */ 269 u64 pdir_dma; /* Page directory PA. */ 270 }; 271 272 #pragma pack(push, 1) 273 274 struct pvrdma_device_shared_region { 275 u32 driver_version; /* W: Driver version. */ 276 u32 pad; /* Pad to 8-byte align. */ 277 struct pvrdma_gos_info gos_info; /* W: Guest OS information. */ 278 u64 cmd_slot_dma; /* W: Command slot address. */ 279 u64 resp_slot_dma; /* W: Response slot address. */ 280 struct pvrdma_ring_page_info async_ring_pages; 281 /* W: Async ring page info. */ 282 struct pvrdma_ring_page_info cq_ring_pages; 283 /* W: CQ ring page info. */ 284 union { 285 u32 uar_pfn; /* W: UAR pageframe. */ 286 u64 uar_pfn64; /* W: 64-bit UAR page frame. */ 287 }; 288 struct pvrdma_device_caps caps; /* R: Device capabilities. */ 289 }; 290 291 #pragma pack(pop) 292 293 /* Event types. Currently a 1:1 mapping with enum ib_event. */ 294 enum pvrdma_eqe_type { 295 PVRDMA_EVENT_CQ_ERR, 296 PVRDMA_EVENT_QP_FATAL, 297 PVRDMA_EVENT_QP_REQ_ERR, 298 PVRDMA_EVENT_QP_ACCESS_ERR, 299 PVRDMA_EVENT_COMM_EST, 300 PVRDMA_EVENT_SQ_DRAINED, 301 PVRDMA_EVENT_PATH_MIG, 302 PVRDMA_EVENT_PATH_MIG_ERR, 303 PVRDMA_EVENT_DEVICE_FATAL, 304 PVRDMA_EVENT_PORT_ACTIVE, 305 PVRDMA_EVENT_PORT_ERR, 306 PVRDMA_EVENT_LID_CHANGE, 307 PVRDMA_EVENT_PKEY_CHANGE, 308 PVRDMA_EVENT_SM_CHANGE, 309 PVRDMA_EVENT_SRQ_ERR, 310 PVRDMA_EVENT_SRQ_LIMIT_REACHED, 311 PVRDMA_EVENT_QP_LAST_WQE_REACHED, 312 PVRDMA_EVENT_CLIENT_REREGISTER, 313 PVRDMA_EVENT_GID_CHANGE, 314 }; 315 316 /* Event queue element. */ 317 struct pvrdma_eqe { 318 u32 type; /* Event type. */ 319 u32 info; /* Handle, other. */ 320 }; 321 322 /* CQ notification queue element. */ 323 struct pvrdma_cqne { 324 u32 info; /* Handle */ 325 }; 326 327 enum { 328 PVRDMA_CMD_FIRST, 329 PVRDMA_CMD_QUERY_PORT = PVRDMA_CMD_FIRST, 330 PVRDMA_CMD_QUERY_PKEY, 331 PVRDMA_CMD_CREATE_PD, 332 PVRDMA_CMD_DESTROY_PD, 333 PVRDMA_CMD_CREATE_MR, 334 PVRDMA_CMD_DESTROY_MR, 335 PVRDMA_CMD_CREATE_CQ, 336 PVRDMA_CMD_RESIZE_CQ, 337 PVRDMA_CMD_DESTROY_CQ, 338 PVRDMA_CMD_CREATE_QP, 339 PVRDMA_CMD_MODIFY_QP, 340 PVRDMA_CMD_QUERY_QP, 341 PVRDMA_CMD_DESTROY_QP, 342 PVRDMA_CMD_CREATE_UC, 343 PVRDMA_CMD_DESTROY_UC, 344 PVRDMA_CMD_CREATE_BIND, 345 PVRDMA_CMD_DESTROY_BIND, 346 PVRDMA_CMD_CREATE_SRQ, 347 PVRDMA_CMD_MODIFY_SRQ, 348 PVRDMA_CMD_QUERY_SRQ, 349 PVRDMA_CMD_DESTROY_SRQ, 350 PVRDMA_CMD_MAX, 351 }; 352 353 enum { 354 PVRDMA_CMD_FIRST_RESP = (1 << 31), 355 PVRDMA_CMD_QUERY_PORT_RESP = PVRDMA_CMD_FIRST_RESP, 356 PVRDMA_CMD_QUERY_PKEY_RESP, 357 PVRDMA_CMD_CREATE_PD_RESP, 358 PVRDMA_CMD_DESTROY_PD_RESP_NOOP, 359 PVRDMA_CMD_CREATE_MR_RESP, 360 PVRDMA_CMD_DESTROY_MR_RESP_NOOP, 361 PVRDMA_CMD_CREATE_CQ_RESP, 362 PVRDMA_CMD_RESIZE_CQ_RESP, 363 PVRDMA_CMD_DESTROY_CQ_RESP_NOOP, 364 PVRDMA_CMD_CREATE_QP_RESP, 365 PVRDMA_CMD_MODIFY_QP_RESP, 366 PVRDMA_CMD_QUERY_QP_RESP, 367 PVRDMA_CMD_DESTROY_QP_RESP, 368 PVRDMA_CMD_CREATE_UC_RESP, 369 PVRDMA_CMD_DESTROY_UC_RESP_NOOP, 370 PVRDMA_CMD_CREATE_BIND_RESP_NOOP, 371 PVRDMA_CMD_DESTROY_BIND_RESP_NOOP, 372 PVRDMA_CMD_CREATE_SRQ_RESP, 373 PVRDMA_CMD_MODIFY_SRQ_RESP, 374 PVRDMA_CMD_QUERY_SRQ_RESP, 375 PVRDMA_CMD_DESTROY_SRQ_RESP, 376 PVRDMA_CMD_MAX_RESP, 377 }; 378 379 struct pvrdma_cmd_hdr { 380 u64 response; /* Key for response lookup. */ 381 u32 cmd; /* PVRDMA_CMD_ */ 382 u32 reserved; /* Reserved. */ 383 }; 384 385 struct pvrdma_cmd_resp_hdr { 386 u64 response; /* From cmd hdr. */ 387 u32 ack; /* PVRDMA_CMD_XXX_RESP */ 388 u8 err; /* Error. */ 389 u8 reserved[3]; /* Reserved. */ 390 }; 391 392 struct pvrdma_cmd_query_port { 393 struct pvrdma_cmd_hdr hdr; 394 u8 port_num; 395 u8 reserved[7]; 396 }; 397 398 struct pvrdma_cmd_query_port_resp { 399 struct pvrdma_cmd_resp_hdr hdr; 400 struct pvrdma_port_attr attrs; 401 }; 402 403 struct pvrdma_cmd_query_pkey { 404 struct pvrdma_cmd_hdr hdr; 405 u8 port_num; 406 u8 index; 407 u8 reserved[6]; 408 }; 409 410 struct pvrdma_cmd_query_pkey_resp { 411 struct pvrdma_cmd_resp_hdr hdr; 412 u16 pkey; 413 u8 reserved[6]; 414 }; 415 416 struct pvrdma_cmd_create_uc { 417 struct pvrdma_cmd_hdr hdr; 418 union { 419 u32 pfn; /* UAR page frame number */ 420 u64 pfn64; /* 64-bit UAR page frame number */ 421 }; 422 }; 423 424 struct pvrdma_cmd_create_uc_resp { 425 struct pvrdma_cmd_resp_hdr hdr; 426 u32 ctx_handle; 427 u8 reserved[4]; 428 }; 429 430 struct pvrdma_cmd_destroy_uc { 431 struct pvrdma_cmd_hdr hdr; 432 u32 ctx_handle; 433 u8 reserved[4]; 434 }; 435 436 struct pvrdma_cmd_create_pd { 437 struct pvrdma_cmd_hdr hdr; 438 u32 ctx_handle; 439 u8 reserved[4]; 440 }; 441 442 struct pvrdma_cmd_create_pd_resp { 443 struct pvrdma_cmd_resp_hdr hdr; 444 u32 pd_handle; 445 u8 reserved[4]; 446 }; 447 448 struct pvrdma_cmd_destroy_pd { 449 struct pvrdma_cmd_hdr hdr; 450 u32 pd_handle; 451 u8 reserved[4]; 452 }; 453 454 struct pvrdma_cmd_create_mr { 455 struct pvrdma_cmd_hdr hdr; 456 u64 start; 457 u64 length; 458 u64 pdir_dma; 459 u32 pd_handle; 460 u32 access_flags; 461 u32 flags; 462 u32 nchunks; 463 }; 464 465 struct pvrdma_cmd_create_mr_resp { 466 struct pvrdma_cmd_resp_hdr hdr; 467 u32 mr_handle; 468 u32 lkey; 469 u32 rkey; 470 u8 reserved[4]; 471 }; 472 473 struct pvrdma_cmd_destroy_mr { 474 struct pvrdma_cmd_hdr hdr; 475 u32 mr_handle; 476 u8 reserved[4]; 477 }; 478 479 struct pvrdma_cmd_create_cq { 480 struct pvrdma_cmd_hdr hdr; 481 u64 pdir_dma; 482 u32 ctx_handle; 483 u32 cqe; 484 u32 nchunks; 485 u8 reserved[4]; 486 }; 487 488 struct pvrdma_cmd_create_cq_resp { 489 struct pvrdma_cmd_resp_hdr hdr; 490 u32 cq_handle; 491 u32 cqe; 492 }; 493 494 struct pvrdma_cmd_resize_cq { 495 struct pvrdma_cmd_hdr hdr; 496 u32 cq_handle; 497 u32 cqe; 498 }; 499 500 struct pvrdma_cmd_resize_cq_resp { 501 struct pvrdma_cmd_resp_hdr hdr; 502 u32 cqe; 503 u8 reserved[4]; 504 }; 505 506 struct pvrdma_cmd_destroy_cq { 507 struct pvrdma_cmd_hdr hdr; 508 u32 cq_handle; 509 u8 reserved[4]; 510 }; 511 512 struct pvrdma_cmd_create_srq { 513 struct pvrdma_cmd_hdr hdr; 514 u64 pdir_dma; 515 u32 pd_handle; 516 u32 nchunks; 517 struct pvrdma_srq_attr attrs; 518 u8 srq_type; 519 u8 reserved[7]; 520 }; 521 522 struct pvrdma_cmd_create_srq_resp { 523 struct pvrdma_cmd_resp_hdr hdr; 524 u32 srqn; 525 u8 reserved[4]; 526 }; 527 528 struct pvrdma_cmd_modify_srq { 529 struct pvrdma_cmd_hdr hdr; 530 u32 srq_handle; 531 u32 attr_mask; 532 struct pvrdma_srq_attr attrs; 533 }; 534 535 struct pvrdma_cmd_query_srq { 536 struct pvrdma_cmd_hdr hdr; 537 u32 srq_handle; 538 u8 reserved[4]; 539 }; 540 541 struct pvrdma_cmd_query_srq_resp { 542 struct pvrdma_cmd_resp_hdr hdr; 543 struct pvrdma_srq_attr attrs; 544 }; 545 546 struct pvrdma_cmd_destroy_srq { 547 struct pvrdma_cmd_hdr hdr; 548 u32 srq_handle; 549 u8 reserved[4]; 550 }; 551 552 struct pvrdma_cmd_create_qp { 553 struct pvrdma_cmd_hdr hdr; 554 u64 pdir_dma; 555 u32 pd_handle; 556 u32 send_cq_handle; 557 u32 recv_cq_handle; 558 u32 srq_handle; 559 u32 max_send_wr; 560 u32 max_recv_wr; 561 u32 max_send_sge; 562 u32 max_recv_sge; 563 u32 max_inline_data; 564 u32 lkey; 565 u32 access_flags; 566 u16 total_chunks; 567 u16 send_chunks; 568 u16 max_atomic_arg; 569 u8 sq_sig_all; 570 u8 qp_type; 571 u8 is_srq; 572 u8 reserved[3]; 573 }; 574 575 struct pvrdma_cmd_create_qp_resp { 576 struct pvrdma_cmd_resp_hdr hdr; 577 u32 qpn; 578 u32 max_send_wr; 579 u32 max_recv_wr; 580 u32 max_send_sge; 581 u32 max_recv_sge; 582 u32 max_inline_data; 583 }; 584 585 struct pvrdma_cmd_create_qp_resp_v2 { 586 struct pvrdma_cmd_resp_hdr hdr; 587 u32 qpn; 588 u32 qp_handle; 589 u32 max_send_wr; 590 u32 max_recv_wr; 591 u32 max_send_sge; 592 u32 max_recv_sge; 593 u32 max_inline_data; 594 }; 595 596 struct pvrdma_cmd_modify_qp { 597 struct pvrdma_cmd_hdr hdr; 598 u32 qp_handle; 599 u32 attr_mask; 600 struct pvrdma_qp_attr attrs; 601 }; 602 603 struct pvrdma_cmd_query_qp { 604 struct pvrdma_cmd_hdr hdr; 605 u32 qp_handle; 606 u32 attr_mask; 607 }; 608 609 struct pvrdma_cmd_query_qp_resp { 610 struct pvrdma_cmd_resp_hdr hdr; 611 struct pvrdma_qp_attr attrs; 612 }; 613 614 struct pvrdma_cmd_destroy_qp { 615 struct pvrdma_cmd_hdr hdr; 616 u32 qp_handle; 617 u8 reserved[4]; 618 }; 619 620 struct pvrdma_cmd_destroy_qp_resp { 621 struct pvrdma_cmd_resp_hdr hdr; 622 u32 events_reported; 623 u8 reserved[4]; 624 }; 625 626 struct pvrdma_cmd_create_bind { 627 struct pvrdma_cmd_hdr hdr; 628 u32 mtu; 629 u32 vlan; 630 u32 index; 631 u8 new_gid[16]; 632 u8 gid_type; 633 u8 reserved[3]; 634 }; 635 636 struct pvrdma_cmd_destroy_bind { 637 struct pvrdma_cmd_hdr hdr; 638 u32 index; 639 u8 dest_gid[16]; 640 u8 reserved[4]; 641 }; 642 643 union pvrdma_cmd_req { 644 struct pvrdma_cmd_hdr hdr; 645 struct pvrdma_cmd_query_port query_port; 646 struct pvrdma_cmd_query_pkey query_pkey; 647 struct pvrdma_cmd_create_uc create_uc; 648 struct pvrdma_cmd_destroy_uc destroy_uc; 649 struct pvrdma_cmd_create_pd create_pd; 650 struct pvrdma_cmd_destroy_pd destroy_pd; 651 struct pvrdma_cmd_create_mr create_mr; 652 struct pvrdma_cmd_destroy_mr destroy_mr; 653 struct pvrdma_cmd_create_cq create_cq; 654 struct pvrdma_cmd_resize_cq resize_cq; 655 struct pvrdma_cmd_destroy_cq destroy_cq; 656 struct pvrdma_cmd_create_qp create_qp; 657 struct pvrdma_cmd_modify_qp modify_qp; 658 struct pvrdma_cmd_query_qp query_qp; 659 struct pvrdma_cmd_destroy_qp destroy_qp; 660 struct pvrdma_cmd_create_bind create_bind; 661 struct pvrdma_cmd_destroy_bind destroy_bind; 662 struct pvrdma_cmd_create_srq create_srq; 663 struct pvrdma_cmd_modify_srq modify_srq; 664 struct pvrdma_cmd_query_srq query_srq; 665 struct pvrdma_cmd_destroy_srq destroy_srq; 666 }; 667 668 union pvrdma_cmd_resp { 669 struct pvrdma_cmd_resp_hdr hdr; 670 struct pvrdma_cmd_query_port_resp query_port_resp; 671 struct pvrdma_cmd_query_pkey_resp query_pkey_resp; 672 struct pvrdma_cmd_create_uc_resp create_uc_resp; 673 struct pvrdma_cmd_create_pd_resp create_pd_resp; 674 struct pvrdma_cmd_create_mr_resp create_mr_resp; 675 struct pvrdma_cmd_create_cq_resp create_cq_resp; 676 struct pvrdma_cmd_resize_cq_resp resize_cq_resp; 677 struct pvrdma_cmd_create_qp_resp create_qp_resp; 678 struct pvrdma_cmd_create_qp_resp_v2 create_qp_resp_v2; 679 struct pvrdma_cmd_query_qp_resp query_qp_resp; 680 struct pvrdma_cmd_destroy_qp_resp destroy_qp_resp; 681 struct pvrdma_cmd_create_srq_resp create_srq_resp; 682 struct pvrdma_cmd_query_srq_resp query_srq_resp; 683 }; 684 685 #endif /* __PVRDMA_DEV_API_H__ */ 686