kern-abi.h revision 331769
1/* 2 * Copyright (c) 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. 4 * Copyright (c) 2005 PathScale, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35#ifndef KERN_ABI_H 36#define KERN_ABI_H 37 38#include <infiniband/types.h> 39 40/* 41 * This file must be kept in sync with the kernel's version of 42 * drivers/infiniband/include/ib_user_verbs.h 43 */ 44 45/* 46 * The minimum and maximum kernel ABI that we can handle. 47 */ 48#define IB_USER_VERBS_MIN_ABI_VERSION 3 49#define IB_USER_VERBS_MAX_ABI_VERSION 6 50 51#define IB_USER_VERBS_CMD_THRESHOLD 50 52 53enum { 54 IB_USER_VERBS_CMD_GET_CONTEXT, 55 IB_USER_VERBS_CMD_QUERY_DEVICE, 56 IB_USER_VERBS_CMD_QUERY_PORT, 57 IB_USER_VERBS_CMD_ALLOC_PD, 58 IB_USER_VERBS_CMD_DEALLOC_PD, 59 IB_USER_VERBS_CMD_CREATE_AH, 60 IB_USER_VERBS_CMD_MODIFY_AH, 61 IB_USER_VERBS_CMD_QUERY_AH, 62 IB_USER_VERBS_CMD_DESTROY_AH, 63 IB_USER_VERBS_CMD_REG_MR, 64 IB_USER_VERBS_CMD_REG_SMR, 65 IB_USER_VERBS_CMD_REREG_MR, 66 IB_USER_VERBS_CMD_QUERY_MR, 67 IB_USER_VERBS_CMD_DEREG_MR, 68 IB_USER_VERBS_CMD_ALLOC_MW, 69 IB_USER_VERBS_CMD_BIND_MW, 70 IB_USER_VERBS_CMD_DEALLOC_MW, 71 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL, 72 IB_USER_VERBS_CMD_CREATE_CQ, 73 IB_USER_VERBS_CMD_RESIZE_CQ, 74 IB_USER_VERBS_CMD_DESTROY_CQ, 75 IB_USER_VERBS_CMD_POLL_CQ, 76 IB_USER_VERBS_CMD_PEEK_CQ, 77 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ, 78 IB_USER_VERBS_CMD_CREATE_QP, 79 IB_USER_VERBS_CMD_QUERY_QP, 80 IB_USER_VERBS_CMD_MODIFY_QP, 81 IB_USER_VERBS_CMD_DESTROY_QP, 82 IB_USER_VERBS_CMD_POST_SEND, 83 IB_USER_VERBS_CMD_POST_RECV, 84 IB_USER_VERBS_CMD_ATTACH_MCAST, 85 IB_USER_VERBS_CMD_DETACH_MCAST, 86 IB_USER_VERBS_CMD_CREATE_SRQ, 87 IB_USER_VERBS_CMD_MODIFY_SRQ, 88 IB_USER_VERBS_CMD_QUERY_SRQ, 89 IB_USER_VERBS_CMD_DESTROY_SRQ, 90 IB_USER_VERBS_CMD_POST_SRQ_RECV, 91 IB_USER_VERBS_CMD_OPEN_XRCD, 92 IB_USER_VERBS_CMD_CLOSE_XRCD, 93 IB_USER_VERBS_CMD_CREATE_XSRQ, 94 IB_USER_VERBS_CMD_OPEN_QP 95}; 96 97#define IB_USER_VERBS_CMD_COMMAND_MASK 0xff 98#define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u 99#define IB_USER_VERBS_CMD_FLAGS_SHIFT 24 100 101 102#define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80ul 103 104/* use this mask for creating extended commands */ 105#define IB_USER_VERBS_CMD_EXTENDED_MASK \ 106 (IB_USER_VERBS_CMD_FLAG_EXTENDED << \ 107 IB_USER_VERBS_CMD_FLAGS_SHIFT) 108 109 110enum { 111 IB_USER_VERBS_CMD_QUERY_DEVICE_EX = IB_USER_VERBS_CMD_EXTENDED_MASK | 112 IB_USER_VERBS_CMD_QUERY_DEVICE, 113 IB_USER_VERBS_CMD_CREATE_QP_EX = IB_USER_VERBS_CMD_EXTENDED_MASK | 114 IB_USER_VERBS_CMD_CREATE_QP, 115 IB_USER_VERBS_CMD_CREATE_CQ_EX = IB_USER_VERBS_CMD_EXTENDED_MASK | 116 IB_USER_VERBS_CMD_CREATE_CQ, 117 IB_USER_VERBS_CMD_MODIFY_QP_EX = IB_USER_VERBS_CMD_EXTENDED_MASK | 118 IB_USER_VERBS_CMD_MODIFY_QP, 119 IB_USER_VERBS_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_EXTENDED_MASK + 120 IB_USER_VERBS_CMD_THRESHOLD, 121 IB_USER_VERBS_CMD_DESTROY_FLOW, 122 IB_USER_VERBS_CMD_CREATE_WQ, 123 IB_USER_VERBS_CMD_MODIFY_WQ, 124 IB_USER_VERBS_CMD_DESTROY_WQ, 125 IB_USER_VERBS_CMD_CREATE_RWQ_IND_TBL, 126 IB_USER_VERBS_CMD_DESTROY_RWQ_IND_TBL, 127}; 128 129/* 130 * Make sure that all structs defined in this file remain laid out so 131 * that they pack the same way on 32-bit and 64-bit architectures (to 132 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 133 * Specifically: 134 * - Do not use pointer types -- pass pointers in __u64 instead. 135 * - Make sure that any structure larger than 4 bytes is padded to a 136 * multiple of 8 bytes. Otherwise the structure size will be 137 * different between 32-bit and 64-bit architectures. 138 */ 139 140struct hdr { 141 __u32 command; 142 __u16 in_words; 143 __u16 out_words; 144}; 145 146struct response_hdr { 147 __u64 response; 148}; 149 150struct ex_hdr { 151 struct { 152 __u32 command; 153 __u16 in_words; 154 __u16 out_words; 155 }; 156 struct { 157 __u64 response; 158 }; 159 struct { 160 __u16 provider_in_words; 161 __u16 provider_out_words; 162 __u32 reserved; 163 }; 164}; 165 166struct ibv_kern_async_event { 167 __u64 element; 168 __u32 event_type; 169 __u32 reserved; 170}; 171 172struct ibv_comp_event { 173 __u64 cq_handle; 174}; 175 176/* 177 * All commands from userspace should start with a __u32 command field 178 * followed by __u16 in_words and out_words fields (which give the 179 * length of the command block and response buffer if any in 32-bit 180 * words). The kernel driver will read these fields first and read 181 * the rest of the command struct based on these value. 182 */ 183 184struct ibv_query_params { 185 __u32 command; 186 __u16 in_words; 187 __u16 out_words; 188 __u64 response; 189}; 190 191struct ibv_query_params_resp { 192 __u32 num_cq_events; 193}; 194 195struct ibv_get_context { 196 __u32 command; 197 __u16 in_words; 198 __u16 out_words; 199 __u64 response; 200 __u64 driver_data[0]; 201}; 202 203struct ibv_get_context_resp { 204 __u32 async_fd; 205 __u32 num_comp_vectors; 206}; 207 208struct ibv_query_device { 209 __u32 command; 210 __u16 in_words; 211 __u16 out_words; 212 __u64 response; 213 __u64 driver_data[0]; 214}; 215 216struct ibv_query_device_resp { 217 __u64 fw_ver; 218 __be64 node_guid; 219 __be64 sys_image_guid; 220 __u64 max_mr_size; 221 __u64 page_size_cap; 222 __u32 vendor_id; 223 __u32 vendor_part_id; 224 __u32 hw_ver; 225 __u32 max_qp; 226 __u32 max_qp_wr; 227 __u32 device_cap_flags; 228 __u32 max_sge; 229 __u32 max_sge_rd; 230 __u32 max_cq; 231 __u32 max_cqe; 232 __u32 max_mr; 233 __u32 max_pd; 234 __u32 max_qp_rd_atom; 235 __u32 max_ee_rd_atom; 236 __u32 max_res_rd_atom; 237 __u32 max_qp_init_rd_atom; 238 __u32 max_ee_init_rd_atom; 239 __u32 atomic_cap; 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 __u16 max_pkeys; 255 __u8 local_ca_ack_delay; 256 __u8 phys_port_cnt; 257 __u8 reserved[4]; 258}; 259 260struct ibv_query_device_ex { 261 struct ex_hdr hdr; 262 __u32 comp_mask; 263 __u32 reserved; 264}; 265 266struct ibv_odp_caps_resp { 267 __u64 general_caps; 268 struct { 269 __u32 rc_odp_caps; 270 __u32 uc_odp_caps; 271 __u32 ud_odp_caps; 272 } per_transport_caps; 273 __u32 reserved; 274}; 275 276struct ibv_rss_caps_resp { 277 __u32 supported_qpts; 278 __u32 max_rwq_indirection_tables; 279 __u32 max_rwq_indirection_table_size; 280 __u32 reserved; 281}; 282 283struct ibv_query_device_resp_ex { 284 struct ibv_query_device_resp base; 285 __u32 comp_mask; 286 __u32 response_length; 287 struct ibv_odp_caps_resp odp_caps; 288 __u64 timestamp_mask; 289 __u64 hca_core_clock; 290 __u64 device_cap_flags_ex; 291 struct ibv_rss_caps_resp rss_caps; 292 __u32 max_wq_type_rq; 293 __u32 raw_packet_caps; 294}; 295 296struct ibv_query_port { 297 __u32 command; 298 __u16 in_words; 299 __u16 out_words; 300 __u64 response; 301 __u8 port_num; 302 __u8 reserved[7]; 303 __u64 driver_data[0]; 304}; 305 306struct ibv_query_port_resp { 307 __u32 port_cap_flags; 308 __u32 max_msg_sz; 309 __u32 bad_pkey_cntr; 310 __u32 qkey_viol_cntr; 311 __u32 gid_tbl_len; 312 __u16 pkey_tbl_len; 313 __u16 lid; 314 __u16 sm_lid; 315 __u8 state; 316 __u8 max_mtu; 317 __u8 active_mtu; 318 __u8 lmc; 319 __u8 max_vl_num; 320 __u8 sm_sl; 321 __u8 subnet_timeout; 322 __u8 init_type_reply; 323 __u8 active_width; 324 __u8 active_speed; 325 __u8 phys_state; 326 __u8 link_layer; 327 __u8 reserved[2]; 328}; 329 330struct ibv_alloc_pd { 331 __u32 command; 332 __u16 in_words; 333 __u16 out_words; 334 __u64 response; 335 __u64 driver_data[0]; 336}; 337 338struct ibv_alloc_pd_resp { 339 __u32 pd_handle; 340}; 341 342struct ibv_dealloc_pd { 343 __u32 command; 344 __u16 in_words; 345 __u16 out_words; 346 __u32 pd_handle; 347}; 348 349struct ibv_open_xrcd { 350 __u32 command; 351 __u16 in_words; 352 __u16 out_words; 353 __u64 response; 354 __u32 fd; 355 __u32 oflags; 356 __u64 driver_data[0]; 357}; 358 359struct ibv_open_xrcd_resp { 360 __u32 xrcd_handle; 361}; 362 363struct ibv_close_xrcd { 364 __u32 command; 365 __u16 in_words; 366 __u16 out_words; 367 __u32 xrcd_handle; 368}; 369 370struct ibv_reg_mr { 371 __u32 command; 372 __u16 in_words; 373 __u16 out_words; 374 __u64 response; 375 __u64 start; 376 __u64 length; 377 __u64 hca_va; 378 __u32 pd_handle; 379 __u32 access_flags; 380 __u64 driver_data[0]; 381}; 382 383struct ibv_reg_mr_resp { 384 __u32 mr_handle; 385 __u32 lkey; 386 __u32 rkey; 387}; 388 389struct ibv_rereg_mr { 390 __u32 command; 391 __u16 in_words; 392 __u16 out_words; 393 __u64 response; 394 __u32 mr_handle; 395 __u32 flags; 396 __u64 start; 397 __u64 length; 398 __u64 hca_va; 399 __u32 pd_handle; 400 __u32 access_flags; 401 __u64 driver_data[0]; 402}; 403 404struct ibv_rereg_mr_resp { 405 __u32 lkey; 406 __u32 rkey; 407}; 408 409struct ibv_dereg_mr { 410 __u32 command; 411 __u16 in_words; 412 __u16 out_words; 413 __u32 mr_handle; 414}; 415 416struct ibv_alloc_mw { 417 __u32 command; 418 __u16 in_words; 419 __u16 out_words; 420 __u64 response; 421 __u32 pd_handle; 422 __u8 mw_type; 423 __u8 reserved[3]; 424}; 425 426struct ibv_alloc_mw_resp { 427 __u32 mw_handle; 428 __u32 rkey; 429}; 430 431struct ibv_dealloc_mw { 432 __u32 command; 433 __u16 in_words; 434 __u16 out_words; 435 __u32 mw_handle; 436 __u32 reserved; 437}; 438 439struct ibv_create_comp_channel { 440 __u32 command; 441 __u16 in_words; 442 __u16 out_words; 443 __u64 response; 444}; 445 446struct ibv_create_comp_channel_resp { 447 __u32 fd; 448}; 449 450struct ibv_create_cq { 451 __u32 command; 452 __u16 in_words; 453 __u16 out_words; 454 __u64 response; 455 __u64 user_handle; 456 __u32 cqe; 457 __u32 comp_vector; 458 __s32 comp_channel; 459 __u32 reserved; 460 __u64 driver_data[0]; 461}; 462 463struct ibv_create_cq_resp { 464 __u32 cq_handle; 465 __u32 cqe; 466}; 467 468enum ibv_create_cq_ex_kernel_flags { 469 IBV_CREATE_CQ_EX_KERNEL_FLAG_COMPLETION_TIMESTAMP = 1 << 0, 470}; 471 472struct ibv_create_cq_ex { 473 struct ex_hdr hdr; 474 __u64 user_handle; 475 __u32 cqe; 476 __u32 comp_vector; 477 __s32 comp_channel; 478 __u32 comp_mask; 479 __u32 flags; 480 __u32 reserved; 481}; 482 483struct ibv_create_cq_resp_ex { 484 struct ibv_create_cq_resp base; 485 __u32 comp_mask; 486 __u32 response_length; 487}; 488 489struct ibv_kern_wc { 490 __u64 wr_id; 491 __u32 status; 492 __u32 opcode; 493 __u32 vendor_err; 494 __u32 byte_len; 495 __be32 imm_data; 496 __u32 qp_num; 497 __u32 src_qp; 498 __u32 wc_flags; 499 __u16 pkey_index; 500 __u16 slid; 501 __u8 sl; 502 __u8 dlid_path_bits; 503 __u8 port_num; 504 __u8 reserved; 505}; 506 507struct ibv_poll_cq { 508 __u32 command; 509 __u16 in_words; 510 __u16 out_words; 511 __u64 response; 512 __u32 cq_handle; 513 __u32 ne; 514}; 515 516struct ibv_poll_cq_resp { 517 __u32 count; 518 __u32 reserved; 519 struct ibv_kern_wc wc[0]; 520}; 521 522struct ibv_req_notify_cq { 523 __u32 command; 524 __u16 in_words; 525 __u16 out_words; 526 __u32 cq_handle; 527 __u32 solicited; 528}; 529 530struct ibv_resize_cq { 531 __u32 command; 532 __u16 in_words; 533 __u16 out_words; 534 __u64 response; 535 __u32 cq_handle; 536 __u32 cqe; 537 __u64 driver_data[0]; 538}; 539 540struct ibv_resize_cq_resp { 541 __u32 cqe; 542 __u32 reserved; 543 __u64 driver_data[0]; 544}; 545 546struct ibv_destroy_cq { 547 __u32 command; 548 __u16 in_words; 549 __u16 out_words; 550 __u64 response; 551 __u32 cq_handle; 552 __u32 reserved; 553}; 554 555struct ibv_destroy_cq_resp { 556 __u32 comp_events_reported; 557 __u32 async_events_reported; 558}; 559 560struct ibv_kern_global_route { 561 __u8 dgid[16]; 562 __u32 flow_label; 563 __u8 sgid_index; 564 __u8 hop_limit; 565 __u8 traffic_class; 566 __u8 reserved; 567}; 568 569struct ibv_kern_ah_attr { 570 struct ibv_kern_global_route grh; 571 __u16 dlid; 572 __u8 sl; 573 __u8 src_path_bits; 574 __u8 static_rate; 575 __u8 is_global; 576 __u8 port_num; 577 __u8 reserved; 578}; 579 580struct ibv_kern_qp_attr { 581 __u32 qp_attr_mask; 582 __u32 qp_state; 583 __u32 cur_qp_state; 584 __u32 path_mtu; 585 __u32 path_mig_state; 586 __u32 qkey; 587 __u32 rq_psn; 588 __u32 sq_psn; 589 __u32 dest_qp_num; 590 __u32 qp_access_flags; 591 592 struct ibv_kern_ah_attr ah_attr; 593 struct ibv_kern_ah_attr alt_ah_attr; 594 595 /* ib_qp_cap */ 596 __u32 max_send_wr; 597 __u32 max_recv_wr; 598 __u32 max_send_sge; 599 __u32 max_recv_sge; 600 __u32 max_inline_data; 601 602 __u16 pkey_index; 603 __u16 alt_pkey_index; 604 __u8 en_sqd_async_notify; 605 __u8 sq_draining; 606 __u8 max_rd_atomic; 607 __u8 max_dest_rd_atomic; 608 __u8 min_rnr_timer; 609 __u8 port_num; 610 __u8 timeout; 611 __u8 retry_cnt; 612 __u8 rnr_retry; 613 __u8 alt_port_num; 614 __u8 alt_timeout; 615 __u8 reserved[5]; 616}; 617 618#define IBV_CREATE_QP_COMMON \ 619 __u64 user_handle; \ 620 __u32 pd_handle; \ 621 __u32 send_cq_handle; \ 622 __u32 recv_cq_handle; \ 623 __u32 srq_handle; \ 624 __u32 max_send_wr; \ 625 __u32 max_recv_wr; \ 626 __u32 max_send_sge; \ 627 __u32 max_recv_sge; \ 628 __u32 max_inline_data; \ 629 __u8 sq_sig_all; \ 630 __u8 qp_type; \ 631 __u8 is_srq; \ 632 __u8 reserved 633 634struct ibv_create_qp { 635 __u32 command; 636 __u16 in_words; 637 __u16 out_words; 638 __u64 response; 639 IBV_CREATE_QP_COMMON; 640 __u64 driver_data[0]; 641}; 642 643struct ibv_create_qp_common { 644 IBV_CREATE_QP_COMMON; 645}; 646 647struct ibv_open_qp { 648 __u32 command; 649 __u16 in_words; 650 __u16 out_words; 651 __u64 response; 652 __u64 user_handle; 653 __u32 pd_handle; 654 __u32 qpn; 655 __u8 qp_type; 656 __u8 reserved[7]; 657 __u64 driver_data[0]; 658}; 659 660/* also used for open response */ 661struct ibv_create_qp_resp { 662 __u32 qp_handle; 663 __u32 qpn; 664 __u32 max_send_wr; 665 __u32 max_recv_wr; 666 __u32 max_send_sge; 667 __u32 max_recv_sge; 668 __u32 max_inline_data; 669 __u32 reserved; 670}; 671 672enum ibv_create_qp_ex_kernel_mask { 673 IBV_CREATE_QP_EX_KERNEL_MASK_IND_TABLE = 1 << 0, 674}; 675 676struct ibv_create_qp_ex { 677 struct ex_hdr hdr; 678 struct ibv_create_qp_common base; 679 __u32 comp_mask; 680 __u32 create_flags; 681 __u32 ind_tbl_handle; 682 __u32 reserved1; 683}; 684 685struct ibv_create_qp_resp_ex { 686 struct ibv_create_qp_resp base; 687 __u32 comp_mask; 688 __u32 response_length; 689}; 690 691struct ibv_qp_dest { 692 __u8 dgid[16]; 693 __u32 flow_label; 694 __u16 dlid; 695 __u16 reserved; 696 __u8 sgid_index; 697 __u8 hop_limit; 698 __u8 traffic_class; 699 __u8 sl; 700 __u8 src_path_bits; 701 __u8 static_rate; 702 __u8 is_global; 703 __u8 port_num; 704}; 705 706struct ibv_query_qp { 707 __u32 command; 708 __u16 in_words; 709 __u16 out_words; 710 __u64 response; 711 __u32 qp_handle; 712 __u32 attr_mask; 713 __u64 driver_data[0]; 714}; 715 716struct ibv_query_qp_resp { 717 struct ibv_qp_dest dest; 718 struct ibv_qp_dest alt_dest; 719 __u32 max_send_wr; 720 __u32 max_recv_wr; 721 __u32 max_send_sge; 722 __u32 max_recv_sge; 723 __u32 max_inline_data; 724 __u32 qkey; 725 __u32 rq_psn; 726 __u32 sq_psn; 727 __u32 dest_qp_num; 728 __u32 qp_access_flags; 729 __u16 pkey_index; 730 __u16 alt_pkey_index; 731 __u8 qp_state; 732 __u8 cur_qp_state; 733 __u8 path_mtu; 734 __u8 path_mig_state; 735 __u8 sq_draining; 736 __u8 max_rd_atomic; 737 __u8 max_dest_rd_atomic; 738 __u8 min_rnr_timer; 739 __u8 port_num; 740 __u8 timeout; 741 __u8 retry_cnt; 742 __u8 rnr_retry; 743 __u8 alt_port_num; 744 __u8 alt_timeout; 745 __u8 sq_sig_all; 746 __u8 reserved[5]; 747 __u64 driver_data[0]; 748}; 749 750struct ibv_modify_qp_common { 751 struct ibv_qp_dest dest; 752 struct ibv_qp_dest alt_dest; 753 __u32 qp_handle; 754 __u32 attr_mask; 755 __u32 qkey; 756 __u32 rq_psn; 757 __u32 sq_psn; 758 __u32 dest_qp_num; 759 __u32 qp_access_flags; 760 __u16 pkey_index; 761 __u16 alt_pkey_index; 762 __u8 qp_state; 763 __u8 cur_qp_state; 764 __u8 path_mtu; 765 __u8 path_mig_state; 766 __u8 en_sqd_async_notify; 767 __u8 max_rd_atomic; 768 __u8 max_dest_rd_atomic; 769 __u8 min_rnr_timer; 770 __u8 port_num; 771 __u8 timeout; 772 __u8 retry_cnt; 773 __u8 rnr_retry; 774 __u8 alt_port_num; 775 __u8 alt_timeout; 776 __u8 reserved[2]; 777}; 778 779struct ibv_modify_qp { 780 __u32 command; 781 __u16 in_words; 782 __u16 out_words; 783 struct ibv_modify_qp_common base; 784 __u64 driver_data[0]; 785}; 786 787struct ibv_modify_qp_ex { 788 struct ex_hdr hdr; 789 struct ibv_modify_qp_common base; 790 __u32 rate_limit; 791 __u32 reserved; 792}; 793 794struct ibv_modify_qp_resp_ex { 795 __u32 comp_mask; 796 __u32 response_length; 797}; 798 799struct ibv_destroy_qp { 800 __u32 command; 801 __u16 in_words; 802 __u16 out_words; 803 __u64 response; 804 __u32 qp_handle; 805 __u32 reserved; 806}; 807 808struct ibv_destroy_qp_resp { 809 __u32 events_reported; 810}; 811 812struct ibv_kern_send_wr { 813 __u64 wr_id; 814 __u32 num_sge; 815 __u32 opcode; 816 __u32 send_flags; 817 __be32 imm_data; 818 union { 819 struct { 820 __u64 remote_addr; 821 __u32 rkey; 822 __u32 reserved; 823 } rdma; 824 struct { 825 __u64 remote_addr; 826 __u64 compare_add; 827 __u64 swap; 828 __u32 rkey; 829 __u32 reserved; 830 } atomic; 831 struct { 832 __u32 ah; 833 __u32 remote_qpn; 834 __u32 remote_qkey; 835 __u32 reserved; 836 } ud; 837 } wr; 838 union { 839 struct { 840 __u32 remote_srqn; 841 } xrc; 842 } qp_type; 843}; 844 845struct ibv_kern_eth_filter { 846 __u8 dst_mac[6]; 847 __u8 src_mac[6]; 848 __u16 ether_type; 849 __u16 vlan_tag; 850}; 851 852struct ibv_kern_spec_eth { 853 __u32 type; 854 __u16 size; 855 __u16 reserved; 856 struct ibv_kern_eth_filter val; 857 struct ibv_kern_eth_filter mask; 858}; 859 860struct ibv_kern_ipv4_filter { 861 __u32 src_ip; 862 __u32 dst_ip; 863}; 864 865struct ibv_kern_spec_ipv4 { 866 __u32 type; 867 __u16 size; 868 __u16 reserved; 869 struct ibv_kern_ipv4_filter val; 870 struct ibv_kern_ipv4_filter mask; 871}; 872 873struct ibv_kern_ipv4_ext_filter { 874 __u32 src_ip; 875 __u32 dst_ip; 876 __u8 proto; 877 __u8 tos; 878 __u8 ttl; 879 __u8 flags; 880}; 881 882struct ibv_kern_spec_ipv4_ext { 883 __u32 type; 884 __u16 size; 885 __u16 reserved; 886 struct ibv_kern_ipv4_ext_filter val; 887 struct ibv_kern_ipv4_ext_filter mask; 888}; 889 890struct ibv_kern_ipv6_filter { 891 __u8 src_ip[16]; 892 __u8 dst_ip[16]; 893 __u32 flow_label; 894 __u8 next_hdr; 895 __u8 traffic_class; 896 __u8 hop_limit; 897 __u8 reserved; 898}; 899 900struct ibv_kern_spec_ipv6 { 901 __u32 type; 902 __u16 size; 903 __u16 reserved; 904 struct ibv_kern_ipv6_filter val; 905 struct ibv_kern_ipv6_filter mask; 906}; 907 908struct ibv_kern_tcp_udp_filter { 909 __u16 dst_port; 910 __u16 src_port; 911}; 912 913struct ibv_kern_spec_tcp_udp { 914 __u32 type; 915 __u16 size; 916 __u16 reserved; 917 struct ibv_kern_tcp_udp_filter val; 918 struct ibv_kern_tcp_udp_filter mask; 919}; 920 921struct ibv_kern_spec_action_tag { 922 __u32 type; 923 __u16 size; 924 __u16 reserved; 925 __u32 tag_id; 926 __u32 reserved1; 927}; 928 929struct ibv_kern_tunnel_filter { 930 __u32 tunnel_id; 931}; 932 933struct ibv_kern_spec_tunnel { 934 __u32 type; 935 __u16 size; 936 __u16 reserved; 937 struct ibv_kern_tunnel_filter val; 938 struct ibv_kern_tunnel_filter mask; 939}; 940 941struct ibv_kern_spec_action_drop { 942 __u32 type; 943 __u16 size; 944 __u16 reserved; 945}; 946 947struct ibv_kern_spec { 948 union { 949 struct { 950 __u32 type; 951 __u16 size; 952 __u16 reserved; 953 } hdr; 954 struct ibv_kern_spec_eth eth; 955 struct ibv_kern_spec_ipv4 ipv4; 956 struct ibv_kern_spec_ipv4_ext ipv4_ext; 957 struct ibv_kern_spec_tcp_udp tcp_udp; 958 struct ibv_kern_spec_ipv6 ipv6; 959 struct ibv_kern_spec_tunnel tunnel; 960 struct ibv_kern_spec_action_tag flow_tag; 961 struct ibv_kern_spec_action_drop drop; 962 }; 963}; 964 965struct ibv_kern_flow_attr { 966 __u32 type; 967 __u16 size; 968 __u16 priority; 969 __u8 num_of_specs; 970 __u8 reserved[2]; 971 __u8 port; 972 __u32 flags; 973 /* Following are the optional layers according to user request 974 * struct ibv_kern_flow_spec_xxx 975 * struct ibv_kern_flow_spec_yyy 976 */ 977}; 978 979struct ibv_post_send { 980 __u32 command; 981 __u16 in_words; 982 __u16 out_words; 983 __u64 response; 984 __u32 qp_handle; 985 __u32 wr_count; 986 __u32 sge_count; 987 __u32 wqe_size; 988 struct ibv_kern_send_wr send_wr[0]; 989}; 990 991struct ibv_post_send_resp { 992 __u32 bad_wr; 993}; 994 995struct ibv_kern_recv_wr { 996 __u64 wr_id; 997 __u32 num_sge; 998 __u32 reserved; 999}; 1000 1001struct ibv_post_recv { 1002 __u32 command; 1003 __u16 in_words; 1004 __u16 out_words; 1005 __u64 response; 1006 __u32 qp_handle; 1007 __u32 wr_count; 1008 __u32 sge_count; 1009 __u32 wqe_size; 1010 struct ibv_kern_recv_wr recv_wr[0]; 1011}; 1012 1013struct ibv_post_recv_resp { 1014 __u32 bad_wr; 1015}; 1016 1017struct ibv_post_srq_recv { 1018 __u32 command; 1019 __u16 in_words; 1020 __u16 out_words; 1021 __u64 response; 1022 __u32 srq_handle; 1023 __u32 wr_count; 1024 __u32 sge_count; 1025 __u32 wqe_size; 1026 struct ibv_kern_recv_wr recv_wr[0]; 1027}; 1028 1029struct ibv_post_srq_recv_resp { 1030 __u32 bad_wr; 1031}; 1032 1033struct ibv_create_ah { 1034 __u32 command; 1035 __u16 in_words; 1036 __u16 out_words; 1037 __u64 response; 1038 __u64 user_handle; 1039 __u32 pd_handle; 1040 __u32 reserved; 1041 struct ibv_kern_ah_attr attr; 1042}; 1043 1044struct ibv_create_ah_resp { 1045 __u32 handle; 1046}; 1047 1048struct ibv_destroy_ah { 1049 __u32 command; 1050 __u16 in_words; 1051 __u16 out_words; 1052 __u32 ah_handle; 1053}; 1054 1055struct ibv_attach_mcast { 1056 __u32 command; 1057 __u16 in_words; 1058 __u16 out_words; 1059 __u8 gid[16]; 1060 __u32 qp_handle; 1061 __u16 mlid; 1062 __u16 reserved; 1063 __u64 driver_data[0]; 1064}; 1065 1066struct ibv_create_flow { 1067 struct ex_hdr hdr; 1068 __u32 comp_mask; 1069 __u32 qp_handle; 1070 struct ibv_kern_flow_attr flow_attr; 1071}; 1072 1073struct ibv_create_flow_resp { 1074 __u32 comp_mask; 1075 __u32 flow_handle; 1076}; 1077 1078struct ibv_destroy_flow { 1079 struct ex_hdr hdr; 1080 __u32 comp_mask; 1081 __u32 flow_handle; 1082}; 1083 1084struct ibv_detach_mcast { 1085 __u32 command; 1086 __u16 in_words; 1087 __u16 out_words; 1088 __u8 gid[16]; 1089 __u32 qp_handle; 1090 __u16 mlid; 1091 __u16 reserved; 1092 __u64 driver_data[0]; 1093}; 1094 1095struct ibv_create_srq { 1096 __u32 command; 1097 __u16 in_words; 1098 __u16 out_words; 1099 __u64 response; 1100 __u64 user_handle; 1101 __u32 pd_handle; 1102 __u32 max_wr; 1103 __u32 max_sge; 1104 __u32 srq_limit; 1105 __u64 driver_data[0]; 1106}; 1107 1108struct ibv_create_xsrq { 1109 __u32 command; 1110 __u16 in_words; 1111 __u16 out_words; 1112 __u64 response; 1113 __u64 user_handle; 1114 __u32 srq_type; 1115 __u32 pd_handle; 1116 __u32 max_wr; 1117 __u32 max_sge; 1118 __u32 srq_limit; 1119 __u32 reserved; 1120 __u32 xrcd_handle; 1121 __u32 cq_handle; 1122 __u64 driver_data[0]; 1123}; 1124 1125struct ibv_create_srq_resp { 1126 __u32 srq_handle; 1127 __u32 max_wr; 1128 __u32 max_sge; 1129 __u32 srqn; 1130}; 1131 1132struct ibv_modify_srq { 1133 __u32 command; 1134 __u16 in_words; 1135 __u16 out_words; 1136 __u32 srq_handle; 1137 __u32 attr_mask; 1138 __u32 max_wr; 1139 __u32 srq_limit; 1140 __u64 driver_data[0]; 1141}; 1142 1143struct ibv_query_srq { 1144 __u32 command; 1145 __u16 in_words; 1146 __u16 out_words; 1147 __u64 response; 1148 __u32 srq_handle; 1149 __u32 reserved; 1150 __u64 driver_data[0]; 1151}; 1152 1153struct ibv_query_srq_resp { 1154 __u32 max_wr; 1155 __u32 max_sge; 1156 __u32 srq_limit; 1157 __u32 reserved; 1158}; 1159 1160struct ibv_destroy_srq { 1161 __u32 command; 1162 __u16 in_words; 1163 __u16 out_words; 1164 __u64 response; 1165 __u32 srq_handle; 1166 __u32 reserved; 1167}; 1168 1169struct ibv_destroy_srq_resp { 1170 __u32 events_reported; 1171}; 1172 1173/* 1174 * Compatibility with older ABI versions 1175 */ 1176 1177enum { 1178 IB_USER_VERBS_CMD_QUERY_PARAMS_V2, 1179 IB_USER_VERBS_CMD_GET_CONTEXT_V2, 1180 IB_USER_VERBS_CMD_QUERY_DEVICE_V2, 1181 IB_USER_VERBS_CMD_QUERY_PORT_V2, 1182 IB_USER_VERBS_CMD_QUERY_GID_V2, 1183 IB_USER_VERBS_CMD_QUERY_PKEY_V2, 1184 IB_USER_VERBS_CMD_ALLOC_PD_V2, 1185 IB_USER_VERBS_CMD_DEALLOC_PD_V2, 1186 IB_USER_VERBS_CMD_CREATE_AH_V2, 1187 IB_USER_VERBS_CMD_MODIFY_AH_V2, 1188 IB_USER_VERBS_CMD_QUERY_AH_V2, 1189 IB_USER_VERBS_CMD_DESTROY_AH_V2, 1190 IB_USER_VERBS_CMD_REG_MR_V2, 1191 IB_USER_VERBS_CMD_REG_SMR_V2, 1192 IB_USER_VERBS_CMD_REREG_MR_V2, 1193 IB_USER_VERBS_CMD_QUERY_MR_V2, 1194 IB_USER_VERBS_CMD_DEREG_MR_V2, 1195 IB_USER_VERBS_CMD_ALLOC_MW_V2, 1196 IB_USER_VERBS_CMD_BIND_MW_V2, 1197 IB_USER_VERBS_CMD_DEALLOC_MW_V2, 1198 IB_USER_VERBS_CMD_CREATE_CQ_V2, 1199 IB_USER_VERBS_CMD_RESIZE_CQ_V2, 1200 IB_USER_VERBS_CMD_DESTROY_CQ_V2, 1201 IB_USER_VERBS_CMD_POLL_CQ_V2, 1202 IB_USER_VERBS_CMD_PEEK_CQ_V2, 1203 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ_V2, 1204 IB_USER_VERBS_CMD_CREATE_QP_V2, 1205 IB_USER_VERBS_CMD_QUERY_QP_V2, 1206 IB_USER_VERBS_CMD_MODIFY_QP_V2, 1207 IB_USER_VERBS_CMD_DESTROY_QP_V2, 1208 IB_USER_VERBS_CMD_POST_SEND_V2, 1209 IB_USER_VERBS_CMD_POST_RECV_V2, 1210 IB_USER_VERBS_CMD_ATTACH_MCAST_V2, 1211 IB_USER_VERBS_CMD_DETACH_MCAST_V2, 1212 IB_USER_VERBS_CMD_CREATE_SRQ_V2, 1213 IB_USER_VERBS_CMD_MODIFY_SRQ_V2, 1214 IB_USER_VERBS_CMD_QUERY_SRQ_V2, 1215 IB_USER_VERBS_CMD_DESTROY_SRQ_V2, 1216 IB_USER_VERBS_CMD_POST_SRQ_RECV_V2, 1217 /* 1218 * Set commands that didn't exist to -1 so our compile-time 1219 * trick opcodes in IBV_INIT_CMD() doesn't break. 1220 */ 1221 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL_V2 = -1, 1222 IB_USER_VERBS_CMD_OPEN_XRCD_V2 = -1, 1223 IB_USER_VERBS_CMD_CLOSE_XRCD_V2 = -1, 1224 IB_USER_VERBS_CMD_CREATE_XSRQ_V2 = -1, 1225 IB_USER_VERBS_CMD_OPEN_QP_V2 = -1, 1226 IB_USER_VERBS_CMD_CREATE_FLOW_V2 = -1, 1227 IB_USER_VERBS_CMD_DESTROY_FLOW_V2 = -1, 1228 IB_USER_VERBS_CMD_QUERY_DEVICE_EX_V2 = -1, 1229 IB_USER_VERBS_CMD_CREATE_QP_EX_V2 = -1, 1230 IB_USER_VERBS_CMD_CREATE_CQ_EX_V2 = -1, 1231 IB_USER_VERBS_CMD_CREATE_WQ_V2 = -1, 1232 IB_USER_VERBS_CMD_MODIFY_WQ_V2 = -1, 1233 IB_USER_VERBS_CMD_DESTROY_WQ_V2 = -1, 1234 IB_USER_VERBS_CMD_CREATE_RWQ_IND_TBL_V2 = -1, 1235 IB_USER_VERBS_CMD_DESTROY_RWQ_IND_TBL_V2 = -1, 1236 IB_USER_VERBS_CMD_MODIFY_QP_EX_V2 = -1, 1237}; 1238 1239struct ibv_modify_srq_v3 { 1240 __u32 command; 1241 __u16 in_words; 1242 __u16 out_words; 1243 __u32 srq_handle; 1244 __u32 attr_mask; 1245 __u32 max_wr; 1246 __u32 max_sge; 1247 __u32 srq_limit; 1248 __u32 reserved; 1249 __u64 driver_data[0]; 1250}; 1251 1252struct ibv_create_qp_resp_v3 { 1253 __u32 qp_handle; 1254 __u32 qpn; 1255}; 1256 1257struct ibv_create_qp_resp_v4 { 1258 __u32 qp_handle; 1259 __u32 qpn; 1260 __u32 max_send_wr; 1261 __u32 max_recv_wr; 1262 __u32 max_send_sge; 1263 __u32 max_recv_sge; 1264 __u32 max_inline_data; 1265}; 1266 1267struct ibv_create_srq_resp_v5 { 1268 __u32 srq_handle; 1269}; 1270 1271struct ibv_create_wq { 1272 struct ex_hdr hdr; 1273 __u32 comp_mask; 1274 __u32 wq_type; 1275 __u64 user_handle; 1276 __u32 pd_handle; 1277 __u32 cq_handle; 1278 __u32 max_wr; 1279 __u32 max_sge; 1280 __u32 create_flags; 1281 __u32 reserved; 1282}; 1283 1284struct ibv_create_wq_resp { 1285 __u32 comp_mask; 1286 __u32 response_length; 1287 __u32 wq_handle; 1288 __u32 max_wr; 1289 __u32 max_sge; 1290 __u32 wqn; 1291}; 1292 1293struct ibv_destroy_wq { 1294 struct ex_hdr hdr; 1295 __u32 comp_mask; 1296 __u32 wq_handle; 1297}; 1298 1299struct ibv_destroy_wq_resp { 1300 __u32 comp_mask; 1301 __u32 response_length; 1302 __u32 events_reported; 1303 __u32 reserved; 1304}; 1305 1306struct ibv_modify_wq { 1307 struct ex_hdr hdr; 1308 __u32 attr_mask; 1309 __u32 wq_handle; 1310 __u32 wq_state; 1311 __u32 curr_wq_state; 1312 __u32 flags; 1313 __u32 flags_mask; 1314}; 1315 1316struct ibv_create_rwq_ind_table { 1317 struct ex_hdr hdr; 1318 __u32 comp_mask; 1319 __u32 log_ind_tbl_size; 1320 /* Following are wq handles based on log_ind_tbl_size, must be 64 bytes aligned. 1321 * __u32 wq_handle1 1322 * __u32 wq_handle2 1323 */ 1324}; 1325 1326struct ibv_create_rwq_ind_table_resp { 1327 __u32 comp_mask; 1328 __u32 response_length; 1329 __u32 ind_tbl_handle; 1330 __u32 ind_tbl_num; 1331}; 1332 1333struct ibv_destroy_rwq_ind_table { 1334 struct ex_hdr hdr; 1335 __u32 comp_mask; 1336 __u32 ind_tbl_handle; 1337}; 1338 1339#endif /* KERN_ABI_H */ 1340