1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ 2 /* 3 * Copyright (c) 2005 Topspin Communications. All rights reserved. 4 * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. 5 * Copyright (c) 2005 PathScale, Inc. All rights reserved. 6 * Copyright (c) 2006 Mellanox Technologies. All rights reserved. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * OpenIB.org BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer. 21 * 22 * - Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials 25 * provided with the distribution. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 */ 36 37 #ifndef IB_USER_VERBS_H 38 #define IB_USER_VERBS_H 39 40 #include <linux/types.h> 41 42 /* 43 * Increment this value if any changes that break userspace ABI 44 * compatibility are made. 45 */ 46 #define IB_USER_VERBS_ABI_VERSION 6 47 #define IB_USER_VERBS_CMD_THRESHOLD 50 48 49 enum { 50 IB_USER_VERBS_CMD_GET_CONTEXT, 51 IB_USER_VERBS_CMD_QUERY_DEVICE, 52 IB_USER_VERBS_CMD_QUERY_PORT, 53 IB_USER_VERBS_CMD_ALLOC_PD, 54 IB_USER_VERBS_CMD_DEALLOC_PD, 55 IB_USER_VERBS_CMD_CREATE_AH, 56 IB_USER_VERBS_CMD_MODIFY_AH, 57 IB_USER_VERBS_CMD_QUERY_AH, 58 IB_USER_VERBS_CMD_DESTROY_AH, 59 IB_USER_VERBS_CMD_REG_MR, 60 IB_USER_VERBS_CMD_REG_SMR, 61 IB_USER_VERBS_CMD_REREG_MR, 62 IB_USER_VERBS_CMD_QUERY_MR, 63 IB_USER_VERBS_CMD_DEREG_MR, 64 IB_USER_VERBS_CMD_ALLOC_MW, 65 IB_USER_VERBS_CMD_BIND_MW, 66 IB_USER_VERBS_CMD_DEALLOC_MW, 67 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL, 68 IB_USER_VERBS_CMD_CREATE_CQ, 69 IB_USER_VERBS_CMD_RESIZE_CQ, 70 IB_USER_VERBS_CMD_DESTROY_CQ, 71 IB_USER_VERBS_CMD_POLL_CQ, 72 IB_USER_VERBS_CMD_PEEK_CQ, 73 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ, 74 IB_USER_VERBS_CMD_CREATE_QP, 75 IB_USER_VERBS_CMD_QUERY_QP, 76 IB_USER_VERBS_CMD_MODIFY_QP, 77 IB_USER_VERBS_CMD_DESTROY_QP, 78 IB_USER_VERBS_CMD_POST_SEND, 79 IB_USER_VERBS_CMD_POST_RECV, 80 IB_USER_VERBS_CMD_ATTACH_MCAST, 81 IB_USER_VERBS_CMD_DETACH_MCAST, 82 IB_USER_VERBS_CMD_CREATE_SRQ, 83 IB_USER_VERBS_CMD_MODIFY_SRQ, 84 IB_USER_VERBS_CMD_QUERY_SRQ, 85 IB_USER_VERBS_CMD_DESTROY_SRQ, 86 IB_USER_VERBS_CMD_POST_SRQ_RECV, 87 IB_USER_VERBS_CMD_OPEN_XRCD, 88 IB_USER_VERBS_CMD_CLOSE_XRCD, 89 IB_USER_VERBS_CMD_CREATE_XSRQ, 90 IB_USER_VERBS_CMD_OPEN_QP, 91 }; 92 93 enum { 94 IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE, 95 IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ, 96 IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP, 97 IB_USER_VERBS_EX_CMD_MODIFY_QP = IB_USER_VERBS_CMD_MODIFY_QP, 98 IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD, 99 IB_USER_VERBS_EX_CMD_DESTROY_FLOW, 100 IB_USER_VERBS_EX_CMD_CREATE_WQ, 101 IB_USER_VERBS_EX_CMD_MODIFY_WQ, 102 IB_USER_VERBS_EX_CMD_DESTROY_WQ, 103 IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL, 104 IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL, 105 IB_USER_VERBS_EX_CMD_MODIFY_CQ 106 }; 107 108 /* 109 * Make sure that all structs defined in this file remain laid out so 110 * that they pack the same way on 32-bit and 64-bit architectures (to 111 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 112 * Specifically: 113 * - Do not use pointer types -- pass pointers in __u64 instead. 114 * - Make sure that any structure larger than 4 bytes is padded to a 115 * multiple of 8 bytes. Otherwise the structure size will be 116 * different between 32-bit and 64-bit architectures. 117 */ 118 119 struct ib_uverbs_async_event_desc { 120 __u64 element; 121 __u32 event_type; /* enum ib_event_type */ 122 __u32 reserved; 123 }; 124 125 struct ib_uverbs_comp_event_desc { 126 __u64 cq_handle; 127 }; 128 129 struct ib_uverbs_cq_moderation_caps { 130 __u16 max_cq_moderation_count; 131 __u16 max_cq_moderation_period; 132 __u32 reserved; 133 }; 134 135 /* 136 * All commands from userspace should start with a __u32 command field 137 * followed by __u16 in_words and out_words fields (which give the 138 * length of the command block and response buffer if any in 32-bit 139 * words). The kernel driver will read these fields first and read 140 * the rest of the command struct based on these value. 141 */ 142 143 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff 144 #define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u 145 #define IB_USER_VERBS_CMD_FLAGS_SHIFT 24 146 147 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80 148 149 struct ib_uverbs_cmd_hdr { 150 __u32 command; 151 __u16 in_words; 152 __u16 out_words; 153 }; 154 155 struct ib_uverbs_ex_cmd_hdr { 156 __u64 response; 157 __u16 provider_in_words; 158 __u16 provider_out_words; 159 __u32 cmd_hdr_reserved; 160 }; 161 162 struct ib_uverbs_get_context { 163 __u64 response; 164 __u64 driver_data[0]; 165 }; 166 167 struct ib_uverbs_get_context_resp { 168 __u32 async_fd; 169 __u32 num_comp_vectors; 170 }; 171 172 struct ib_uverbs_query_device { 173 __u64 response; 174 __u64 driver_data[0]; 175 }; 176 177 struct ib_uverbs_query_device_resp { 178 __u64 fw_ver; 179 __be64 node_guid; 180 __be64 sys_image_guid; 181 __u64 max_mr_size; 182 __u64 page_size_cap; 183 __u32 vendor_id; 184 __u32 vendor_part_id; 185 __u32 hw_ver; 186 __u32 max_qp; 187 __u32 max_qp_wr; 188 __u32 device_cap_flags; 189 __u32 max_sge; 190 __u32 max_sge_rd; 191 __u32 max_cq; 192 __u32 max_cqe; 193 __u32 max_mr; 194 __u32 max_pd; 195 __u32 max_qp_rd_atom; 196 __u32 max_ee_rd_atom; 197 __u32 max_res_rd_atom; 198 __u32 max_qp_init_rd_atom; 199 __u32 max_ee_init_rd_atom; 200 __u32 atomic_cap; 201 __u32 max_ee; 202 __u32 max_rdd; 203 __u32 max_mw; 204 __u32 max_raw_ipv6_qp; 205 __u32 max_raw_ethy_qp; 206 __u32 max_mcast_grp; 207 __u32 max_mcast_qp_attach; 208 __u32 max_total_mcast_qp_attach; 209 __u32 max_ah; 210 __u32 max_fmr; 211 __u32 max_map_per_fmr; 212 __u32 max_srq; 213 __u32 max_srq_wr; 214 __u32 max_srq_sge; 215 __u16 max_pkeys; 216 __u8 local_ca_ack_delay; 217 __u8 phys_port_cnt; 218 __u8 reserved[4]; 219 }; 220 221 struct ib_uverbs_ex_query_device { 222 __u32 comp_mask; 223 __u32 reserved; 224 }; 225 226 struct ib_uverbs_odp_caps { 227 __u64 general_caps; 228 struct { 229 __u32 rc_odp_caps; 230 __u32 uc_odp_caps; 231 __u32 ud_odp_caps; 232 } per_transport_caps; 233 __u32 reserved; 234 }; 235 236 struct ib_uverbs_rss_caps { 237 /* Corresponding bit will be set if qp type from 238 * 'enum ib_qp_type' is supported, e.g. 239 * supported_qpts |= 1 << IB_QPT_UD 240 */ 241 __u32 supported_qpts; 242 __u32 max_rwq_indirection_tables; 243 __u32 max_rwq_indirection_table_size; 244 __u32 reserved; 245 }; 246 247 struct ib_uverbs_tm_caps { 248 /* Max size of rendezvous request message */ 249 __u32 max_rndv_hdr_size; 250 /* Max number of entries in tag matching list */ 251 __u32 max_num_tags; 252 /* TM flags */ 253 __u32 flags; 254 /* Max number of outstanding list operations */ 255 __u32 max_ops; 256 /* Max number of SGE in tag matching entry */ 257 __u32 max_sge; 258 __u32 reserved; 259 }; 260 261 struct ib_uverbs_ex_query_device_resp { 262 struct ib_uverbs_query_device_resp base; 263 __u32 comp_mask; 264 __u32 response_length; 265 struct ib_uverbs_odp_caps odp_caps; 266 __u64 timestamp_mask; 267 __u64 hca_core_clock; /* in KHZ */ 268 __u64 device_cap_flags_ex; 269 struct ib_uverbs_rss_caps rss_caps; 270 __u32 max_wq_type_rq; 271 __u32 raw_packet_caps; 272 struct ib_uverbs_tm_caps tm_caps; 273 struct ib_uverbs_cq_moderation_caps cq_moderation_caps; 274 }; 275 276 struct ib_uverbs_query_port { 277 __u64 response; 278 __u8 port_num; 279 __u8 reserved[7]; 280 __u64 driver_data[0]; 281 }; 282 283 struct ib_uverbs_query_port_resp { 284 __u32 port_cap_flags; 285 __u32 max_msg_sz; 286 __u32 bad_pkey_cntr; 287 __u32 qkey_viol_cntr; 288 __u32 gid_tbl_len; 289 __u16 pkey_tbl_len; 290 __u16 lid; 291 __u16 sm_lid; 292 __u8 state; 293 __u8 max_mtu; 294 __u8 active_mtu; 295 __u8 lmc; 296 __u8 max_vl_num; 297 __u8 sm_sl; 298 __u8 subnet_timeout; 299 __u8 init_type_reply; 300 __u8 active_width; 301 __u8 active_speed; 302 __u8 phys_state; 303 __u8 link_layer; 304 __u8 reserved[2]; 305 }; 306 307 struct ib_uverbs_alloc_pd { 308 __u64 response; 309 __u64 driver_data[0]; 310 }; 311 312 struct ib_uverbs_alloc_pd_resp { 313 __u32 pd_handle; 314 }; 315 316 struct ib_uverbs_dealloc_pd { 317 __u32 pd_handle; 318 }; 319 320 struct ib_uverbs_open_xrcd { 321 __u64 response; 322 __u32 fd; 323 __u32 oflags; 324 __u64 driver_data[0]; 325 }; 326 327 struct ib_uverbs_open_xrcd_resp { 328 __u32 xrcd_handle; 329 }; 330 331 struct ib_uverbs_close_xrcd { 332 __u32 xrcd_handle; 333 }; 334 335 struct ib_uverbs_reg_mr { 336 __u64 response; 337 __u64 start; 338 __u64 length; 339 __u64 hca_va; 340 __u32 pd_handle; 341 __u32 access_flags; 342 __u64 driver_data[0]; 343 }; 344 345 struct ib_uverbs_reg_mr_resp { 346 __u32 mr_handle; 347 __u32 lkey; 348 __u32 rkey; 349 }; 350 351 struct ib_uverbs_rereg_mr { 352 __u64 response; 353 __u32 mr_handle; 354 __u32 flags; 355 __u64 start; 356 __u64 length; 357 __u64 hca_va; 358 __u32 pd_handle; 359 __u32 access_flags; 360 }; 361 362 struct ib_uverbs_rereg_mr_resp { 363 __u32 lkey; 364 __u32 rkey; 365 }; 366 367 struct ib_uverbs_dereg_mr { 368 __u32 mr_handle; 369 }; 370 371 struct ib_uverbs_alloc_mw { 372 __u64 response; 373 __u32 pd_handle; 374 __u8 mw_type; 375 __u8 reserved[3]; 376 }; 377 378 struct ib_uverbs_alloc_mw_resp { 379 __u32 mw_handle; 380 __u32 rkey; 381 }; 382 383 struct ib_uverbs_dealloc_mw { 384 __u32 mw_handle; 385 }; 386 387 struct ib_uverbs_create_comp_channel { 388 __u64 response; 389 }; 390 391 struct ib_uverbs_create_comp_channel_resp { 392 __u32 fd; 393 }; 394 395 struct ib_uverbs_create_cq { 396 __u64 response; 397 __u64 user_handle; 398 __u32 cqe; 399 __u32 comp_vector; 400 __s32 comp_channel; 401 __u32 reserved; 402 __u64 driver_data[0]; 403 }; 404 405 struct ib_uverbs_ex_create_cq { 406 __u64 user_handle; 407 __u32 cqe; 408 __u32 comp_vector; 409 __s32 comp_channel; 410 __u32 comp_mask; 411 __u32 flags; 412 __u32 reserved; 413 }; 414 415 struct ib_uverbs_create_cq_resp { 416 __u32 cq_handle; 417 __u32 cqe; 418 }; 419 420 struct ib_uverbs_ex_create_cq_resp { 421 struct ib_uverbs_create_cq_resp base; 422 __u32 comp_mask; 423 __u32 response_length; 424 }; 425 426 struct ib_uverbs_resize_cq { 427 __u64 response; 428 __u32 cq_handle; 429 __u32 cqe; 430 __u64 driver_data[0]; 431 }; 432 433 struct ib_uverbs_resize_cq_resp { 434 __u32 cqe; 435 __u32 reserved; 436 __u64 driver_data[0]; 437 }; 438 439 struct ib_uverbs_poll_cq { 440 __u64 response; 441 __u32 cq_handle; 442 __u32 ne; 443 }; 444 445 struct ib_uverbs_wc { 446 __u64 wr_id; 447 __u32 status; 448 __u32 opcode; 449 __u32 vendor_err; 450 __u32 byte_len; 451 union { 452 __u32 imm_data; 453 __u32 invalidate_rkey; 454 } ex; 455 __u32 qp_num; 456 __u32 src_qp; 457 __u32 wc_flags; 458 __u16 pkey_index; 459 __u16 slid; 460 __u8 sl; 461 __u8 dlid_path_bits; 462 __u8 port_num; 463 __u8 reserved; 464 }; 465 466 struct ib_uverbs_poll_cq_resp { 467 __u32 count; 468 __u32 reserved; 469 struct ib_uverbs_wc wc[0]; 470 }; 471 472 struct ib_uverbs_req_notify_cq { 473 __u32 cq_handle; 474 __u32 solicited_only; 475 }; 476 477 struct ib_uverbs_destroy_cq { 478 __u64 response; 479 __u32 cq_handle; 480 __u32 reserved; 481 }; 482 483 struct ib_uverbs_destroy_cq_resp { 484 __u32 comp_events_reported; 485 __u32 async_events_reported; 486 }; 487 488 struct ib_uverbs_global_route { 489 __u8 dgid[16]; 490 __u32 flow_label; 491 __u8 sgid_index; 492 __u8 hop_limit; 493 __u8 traffic_class; 494 __u8 reserved; 495 }; 496 497 struct ib_uverbs_ah_attr { 498 struct ib_uverbs_global_route grh; 499 __u16 dlid; 500 __u8 sl; 501 __u8 src_path_bits; 502 __u8 static_rate; 503 __u8 is_global; 504 __u8 port_num; 505 __u8 reserved; 506 }; 507 508 struct ib_uverbs_qp_attr { 509 __u32 qp_attr_mask; 510 __u32 qp_state; 511 __u32 cur_qp_state; 512 __u32 path_mtu; 513 __u32 path_mig_state; 514 __u32 qkey; 515 __u32 rq_psn; 516 __u32 sq_psn; 517 __u32 dest_qp_num; 518 __u32 qp_access_flags; 519 520 struct ib_uverbs_ah_attr ah_attr; 521 struct ib_uverbs_ah_attr alt_ah_attr; 522 523 /* ib_qp_cap */ 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 __u16 pkey_index; 531 __u16 alt_pkey_index; 532 __u8 en_sqd_async_notify; 533 __u8 sq_draining; 534 __u8 max_rd_atomic; 535 __u8 max_dest_rd_atomic; 536 __u8 min_rnr_timer; 537 __u8 port_num; 538 __u8 timeout; 539 __u8 retry_cnt; 540 __u8 rnr_retry; 541 __u8 alt_port_num; 542 __u8 alt_timeout; 543 __u8 reserved[5]; 544 }; 545 546 struct ib_uverbs_create_qp { 547 __u64 response; 548 __u64 user_handle; 549 __u32 pd_handle; 550 __u32 send_cq_handle; 551 __u32 recv_cq_handle; 552 __u32 srq_handle; 553 __u32 max_send_wr; 554 __u32 max_recv_wr; 555 __u32 max_send_sge; 556 __u32 max_recv_sge; 557 __u32 max_inline_data; 558 __u8 sq_sig_all; 559 __u8 qp_type; 560 __u8 is_srq; 561 __u8 reserved; 562 __u64 driver_data[0]; 563 }; 564 565 enum ib_uverbs_create_qp_mask { 566 IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0, 567 }; 568 569 enum { 570 IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE, 571 }; 572 573 enum { 574 /* 575 * This value is equal to IB_QP_DEST_QPN. 576 */ 577 IB_USER_LEGACY_LAST_QP_ATTR_MASK = 1ULL << 20, 578 }; 579 580 enum { 581 /* 582 * This value is equal to IB_QP_RATE_LIMIT. 583 */ 584 IB_USER_LAST_QP_ATTR_MASK = 1ULL << 25, 585 }; 586 587 struct ib_uverbs_ex_create_qp { 588 __u64 user_handle; 589 __u32 pd_handle; 590 __u32 send_cq_handle; 591 __u32 recv_cq_handle; 592 __u32 srq_handle; 593 __u32 max_send_wr; 594 __u32 max_recv_wr; 595 __u32 max_send_sge; 596 __u32 max_recv_sge; 597 __u32 max_inline_data; 598 __u8 sq_sig_all; 599 __u8 qp_type; 600 __u8 is_srq; 601 __u8 reserved; 602 __u32 comp_mask; 603 __u32 create_flags; 604 __u32 rwq_ind_tbl_handle; 605 __u32 source_qpn; 606 }; 607 608 struct ib_uverbs_open_qp { 609 __u64 response; 610 __u64 user_handle; 611 __u32 pd_handle; 612 __u32 qpn; 613 __u8 qp_type; 614 __u8 reserved[7]; 615 __u64 driver_data[0]; 616 }; 617 618 /* also used for open response */ 619 struct ib_uverbs_create_qp_resp { 620 __u32 qp_handle; 621 __u32 qpn; 622 __u32 max_send_wr; 623 __u32 max_recv_wr; 624 __u32 max_send_sge; 625 __u32 max_recv_sge; 626 __u32 max_inline_data; 627 __u32 reserved; 628 }; 629 630 struct ib_uverbs_ex_create_qp_resp { 631 struct ib_uverbs_create_qp_resp base; 632 __u32 comp_mask; 633 __u32 response_length; 634 }; 635 636 /* 637 * This struct needs to remain a multiple of 8 bytes to keep the 638 * alignment of the modify QP parameters. 639 */ 640 struct ib_uverbs_qp_dest { 641 __u8 dgid[16]; 642 __u32 flow_label; 643 __u16 dlid; 644 __u16 reserved; 645 __u8 sgid_index; 646 __u8 hop_limit; 647 __u8 traffic_class; 648 __u8 sl; 649 __u8 src_path_bits; 650 __u8 static_rate; 651 __u8 is_global; 652 __u8 port_num; 653 }; 654 655 struct ib_uverbs_query_qp { 656 __u64 response; 657 __u32 qp_handle; 658 __u32 attr_mask; 659 __u64 driver_data[0]; 660 }; 661 662 struct ib_uverbs_query_qp_resp { 663 struct ib_uverbs_qp_dest dest; 664 struct ib_uverbs_qp_dest alt_dest; 665 __u32 max_send_wr; 666 __u32 max_recv_wr; 667 __u32 max_send_sge; 668 __u32 max_recv_sge; 669 __u32 max_inline_data; 670 __u32 qkey; 671 __u32 rq_psn; 672 __u32 sq_psn; 673 __u32 dest_qp_num; 674 __u32 qp_access_flags; 675 __u16 pkey_index; 676 __u16 alt_pkey_index; 677 __u8 qp_state; 678 __u8 cur_qp_state; 679 __u8 path_mtu; 680 __u8 path_mig_state; 681 __u8 sq_draining; 682 __u8 max_rd_atomic; 683 __u8 max_dest_rd_atomic; 684 __u8 min_rnr_timer; 685 __u8 port_num; 686 __u8 timeout; 687 __u8 retry_cnt; 688 __u8 rnr_retry; 689 __u8 alt_port_num; 690 __u8 alt_timeout; 691 __u8 sq_sig_all; 692 __u8 reserved[5]; 693 __u64 driver_data[0]; 694 }; 695 696 struct ib_uverbs_modify_qp { 697 struct ib_uverbs_qp_dest dest; 698 struct ib_uverbs_qp_dest alt_dest; 699 __u32 qp_handle; 700 __u32 attr_mask; 701 __u32 qkey; 702 __u32 rq_psn; 703 __u32 sq_psn; 704 __u32 dest_qp_num; 705 __u32 qp_access_flags; 706 __u16 pkey_index; 707 __u16 alt_pkey_index; 708 __u8 qp_state; 709 __u8 cur_qp_state; 710 __u8 path_mtu; 711 __u8 path_mig_state; 712 __u8 en_sqd_async_notify; 713 __u8 max_rd_atomic; 714 __u8 max_dest_rd_atomic; 715 __u8 min_rnr_timer; 716 __u8 port_num; 717 __u8 timeout; 718 __u8 retry_cnt; 719 __u8 rnr_retry; 720 __u8 alt_port_num; 721 __u8 alt_timeout; 722 __u8 reserved[2]; 723 __u64 driver_data[0]; 724 }; 725 726 struct ib_uverbs_ex_modify_qp { 727 struct ib_uverbs_modify_qp base; 728 __u32 rate_limit; 729 __u32 reserved; 730 }; 731 732 struct ib_uverbs_modify_qp_resp { 733 }; 734 735 struct ib_uverbs_ex_modify_qp_resp { 736 __u32 comp_mask; 737 __u32 response_length; 738 }; 739 740 struct ib_uverbs_destroy_qp { 741 __u64 response; 742 __u32 qp_handle; 743 __u32 reserved; 744 }; 745 746 struct ib_uverbs_destroy_qp_resp { 747 __u32 events_reported; 748 }; 749 750 /* 751 * The ib_uverbs_sge structure isn't used anywhere, since we assume 752 * the ib_sge structure is packed the same way on 32-bit and 64-bit 753 * architectures in both kernel and user space. It's just here to 754 * document the ABI. 755 */ 756 struct ib_uverbs_sge { 757 __u64 addr; 758 __u32 length; 759 __u32 lkey; 760 }; 761 762 struct ib_uverbs_send_wr { 763 __u64 wr_id; 764 __u32 num_sge; 765 __u32 opcode; 766 __u32 send_flags; 767 union { 768 __u32 imm_data; 769 __u32 invalidate_rkey; 770 } ex; 771 union { 772 struct { 773 __u64 remote_addr; 774 __u32 rkey; 775 __u32 reserved; 776 } rdma; 777 struct { 778 __u64 remote_addr; 779 __u64 compare_add; 780 __u64 swap; 781 __u32 rkey; 782 __u32 reserved; 783 } atomic; 784 struct { 785 __u32 ah; 786 __u32 remote_qpn; 787 __u32 remote_qkey; 788 __u32 reserved; 789 } ud; 790 } wr; 791 }; 792 793 struct ib_uverbs_post_send { 794 __u64 response; 795 __u32 qp_handle; 796 __u32 wr_count; 797 __u32 sge_count; 798 __u32 wqe_size; 799 struct ib_uverbs_send_wr send_wr[0]; 800 }; 801 802 struct ib_uverbs_post_send_resp { 803 __u32 bad_wr; 804 }; 805 806 struct ib_uverbs_recv_wr { 807 __u64 wr_id; 808 __u32 num_sge; 809 __u32 reserved; 810 }; 811 812 struct ib_uverbs_post_recv { 813 __u64 response; 814 __u32 qp_handle; 815 __u32 wr_count; 816 __u32 sge_count; 817 __u32 wqe_size; 818 struct ib_uverbs_recv_wr recv_wr[0]; 819 }; 820 821 struct ib_uverbs_post_recv_resp { 822 __u32 bad_wr; 823 }; 824 825 struct ib_uverbs_post_srq_recv { 826 __u64 response; 827 __u32 srq_handle; 828 __u32 wr_count; 829 __u32 sge_count; 830 __u32 wqe_size; 831 struct ib_uverbs_recv_wr recv[0]; 832 }; 833 834 struct ib_uverbs_post_srq_recv_resp { 835 __u32 bad_wr; 836 }; 837 838 struct ib_uverbs_create_ah { 839 __u64 response; 840 __u64 user_handle; 841 __u32 pd_handle; 842 __u32 reserved; 843 struct ib_uverbs_ah_attr attr; 844 }; 845 846 struct ib_uverbs_create_ah_resp { 847 __u32 ah_handle; 848 }; 849 850 struct ib_uverbs_destroy_ah { 851 __u32 ah_handle; 852 }; 853 854 struct ib_uverbs_attach_mcast { 855 __u8 gid[16]; 856 __u32 qp_handle; 857 __u16 mlid; 858 __u16 reserved; 859 __u64 driver_data[0]; 860 }; 861 862 struct ib_uverbs_detach_mcast { 863 __u8 gid[16]; 864 __u32 qp_handle; 865 __u16 mlid; 866 __u16 reserved; 867 __u64 driver_data[0]; 868 }; 869 870 struct ib_uverbs_flow_spec_hdr { 871 __u32 type; 872 __u16 size; 873 __u16 reserved; 874 /* followed by flow_spec */ 875 __u64 flow_spec_data[0]; 876 }; 877 878 struct ib_uverbs_flow_eth_filter { 879 __u8 dst_mac[6]; 880 __u8 src_mac[6]; 881 __be16 ether_type; 882 __be16 vlan_tag; 883 }; 884 885 struct ib_uverbs_flow_spec_eth { 886 union { 887 struct ib_uverbs_flow_spec_hdr hdr; 888 struct { 889 __u32 type; 890 __u16 size; 891 __u16 reserved; 892 }; 893 }; 894 struct ib_uverbs_flow_eth_filter val; 895 struct ib_uverbs_flow_eth_filter mask; 896 }; 897 898 struct ib_uverbs_flow_ipv4_filter { 899 __be32 src_ip; 900 __be32 dst_ip; 901 __u8 proto; 902 __u8 tos; 903 __u8 ttl; 904 __u8 flags; 905 }; 906 907 struct ib_uverbs_flow_spec_ipv4 { 908 union { 909 struct ib_uverbs_flow_spec_hdr hdr; 910 struct { 911 __u32 type; 912 __u16 size; 913 __u16 reserved; 914 }; 915 }; 916 struct ib_uverbs_flow_ipv4_filter val; 917 struct ib_uverbs_flow_ipv4_filter mask; 918 }; 919 920 struct ib_uverbs_flow_tcp_udp_filter { 921 __be16 dst_port; 922 __be16 src_port; 923 }; 924 925 struct ib_uverbs_flow_spec_tcp_udp { 926 union { 927 struct ib_uverbs_flow_spec_hdr hdr; 928 struct { 929 __u32 type; 930 __u16 size; 931 __u16 reserved; 932 }; 933 }; 934 struct ib_uverbs_flow_tcp_udp_filter val; 935 struct ib_uverbs_flow_tcp_udp_filter mask; 936 }; 937 938 struct ib_uverbs_flow_ipv6_filter { 939 __u8 src_ip[16]; 940 __u8 dst_ip[16]; 941 __be32 flow_label; 942 __u8 next_hdr; 943 __u8 traffic_class; 944 __u8 hop_limit; 945 __u8 reserved; 946 }; 947 948 struct ib_uverbs_flow_spec_ipv6 { 949 union { 950 struct ib_uverbs_flow_spec_hdr hdr; 951 struct { 952 __u32 type; 953 __u16 size; 954 __u16 reserved; 955 }; 956 }; 957 struct ib_uverbs_flow_ipv6_filter val; 958 struct ib_uverbs_flow_ipv6_filter mask; 959 }; 960 961 struct ib_uverbs_flow_spec_action_tag { 962 union { 963 struct ib_uverbs_flow_spec_hdr hdr; 964 struct { 965 __u32 type; 966 __u16 size; 967 __u16 reserved; 968 }; 969 }; 970 __u32 tag_id; 971 __u32 reserved1; 972 }; 973 974 struct ib_uverbs_flow_spec_action_drop { 975 union { 976 struct ib_uverbs_flow_spec_hdr hdr; 977 struct { 978 __u32 type; 979 __u16 size; 980 __u16 reserved; 981 }; 982 }; 983 }; 984 985 struct ib_uverbs_flow_tunnel_filter { 986 __be32 tunnel_id; 987 }; 988 989 struct ib_uverbs_flow_spec_tunnel { 990 union { 991 struct ib_uverbs_flow_spec_hdr hdr; 992 struct { 993 __u32 type; 994 __u16 size; 995 __u16 reserved; 996 }; 997 }; 998 struct ib_uverbs_flow_tunnel_filter val; 999 struct ib_uverbs_flow_tunnel_filter mask; 1000 }; 1001 1002 struct ib_uverbs_flow_attr { 1003 __u32 type; 1004 __u16 size; 1005 __u16 priority; 1006 __u8 num_of_specs; 1007 __u8 reserved[2]; 1008 __u8 port; 1009 __u32 flags; 1010 /* Following are the optional layers according to user request 1011 * struct ib_flow_spec_xxx 1012 * struct ib_flow_spec_yyy 1013 */ 1014 struct ib_uverbs_flow_spec_hdr flow_specs[0]; 1015 }; 1016 1017 struct ib_uverbs_create_flow { 1018 __u32 comp_mask; 1019 __u32 qp_handle; 1020 struct ib_uverbs_flow_attr flow_attr; 1021 }; 1022 1023 struct ib_uverbs_create_flow_resp { 1024 __u32 comp_mask; 1025 __u32 flow_handle; 1026 }; 1027 1028 struct ib_uverbs_destroy_flow { 1029 __u32 comp_mask; 1030 __u32 flow_handle; 1031 }; 1032 1033 struct ib_uverbs_create_srq { 1034 __u64 response; 1035 __u64 user_handle; 1036 __u32 pd_handle; 1037 __u32 max_wr; 1038 __u32 max_sge; 1039 __u32 srq_limit; 1040 __u64 driver_data[0]; 1041 }; 1042 1043 struct ib_uverbs_create_xsrq { 1044 __u64 response; 1045 __u64 user_handle; 1046 __u32 srq_type; 1047 __u32 pd_handle; 1048 __u32 max_wr; 1049 __u32 max_sge; 1050 __u32 srq_limit; 1051 __u32 max_num_tags; 1052 __u32 xrcd_handle; 1053 __u32 cq_handle; 1054 __u64 driver_data[0]; 1055 }; 1056 1057 struct ib_uverbs_create_srq_resp { 1058 __u32 srq_handle; 1059 __u32 max_wr; 1060 __u32 max_sge; 1061 __u32 srqn; 1062 }; 1063 1064 struct ib_uverbs_modify_srq { 1065 __u32 srq_handle; 1066 __u32 attr_mask; 1067 __u32 max_wr; 1068 __u32 srq_limit; 1069 __u64 driver_data[0]; 1070 }; 1071 1072 struct ib_uverbs_query_srq { 1073 __u64 response; 1074 __u32 srq_handle; 1075 __u32 reserved; 1076 __u64 driver_data[0]; 1077 }; 1078 1079 struct ib_uverbs_query_srq_resp { 1080 __u32 max_wr; 1081 __u32 max_sge; 1082 __u32 srq_limit; 1083 __u32 reserved; 1084 }; 1085 1086 struct ib_uverbs_destroy_srq { 1087 __u64 response; 1088 __u32 srq_handle; 1089 __u32 reserved; 1090 }; 1091 1092 struct ib_uverbs_destroy_srq_resp { 1093 __u32 events_reported; 1094 }; 1095 1096 struct ib_uverbs_ex_create_wq { 1097 __u32 comp_mask; 1098 __u32 wq_type; 1099 __u64 user_handle; 1100 __u32 pd_handle; 1101 __u32 cq_handle; 1102 __u32 max_wr; 1103 __u32 max_sge; 1104 __u32 create_flags; /* Use enum ib_wq_flags */ 1105 __u32 reserved; 1106 }; 1107 1108 struct ib_uverbs_ex_create_wq_resp { 1109 __u32 comp_mask; 1110 __u32 response_length; 1111 __u32 wq_handle; 1112 __u32 max_wr; 1113 __u32 max_sge; 1114 __u32 wqn; 1115 }; 1116 1117 struct ib_uverbs_ex_destroy_wq { 1118 __u32 comp_mask; 1119 __u32 wq_handle; 1120 }; 1121 1122 struct ib_uverbs_ex_destroy_wq_resp { 1123 __u32 comp_mask; 1124 __u32 response_length; 1125 __u32 events_reported; 1126 __u32 reserved; 1127 }; 1128 1129 struct ib_uverbs_ex_modify_wq { 1130 __u32 attr_mask; 1131 __u32 wq_handle; 1132 __u32 wq_state; 1133 __u32 curr_wq_state; 1134 __u32 flags; /* Use enum ib_wq_flags */ 1135 __u32 flags_mask; /* Use enum ib_wq_flags */ 1136 }; 1137 1138 /* Prevent memory allocation rather than max expected size */ 1139 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d 1140 struct ib_uverbs_ex_create_rwq_ind_table { 1141 __u32 comp_mask; 1142 __u32 log_ind_tbl_size; 1143 /* Following are the wq handles according to log_ind_tbl_size 1144 * wq_handle1 1145 * wq_handle2 1146 */ 1147 __u32 wq_handles[0]; 1148 }; 1149 1150 struct ib_uverbs_ex_create_rwq_ind_table_resp { 1151 __u32 comp_mask; 1152 __u32 response_length; 1153 __u32 ind_tbl_handle; 1154 __u32 ind_tbl_num; 1155 }; 1156 1157 struct ib_uverbs_ex_destroy_rwq_ind_table { 1158 __u32 comp_mask; 1159 __u32 ind_tbl_handle; 1160 }; 1161 1162 struct ib_uverbs_cq_moderation { 1163 __u16 cq_count; 1164 __u16 cq_period; 1165 }; 1166 1167 struct ib_uverbs_ex_modify_cq { 1168 __u32 cq_handle; 1169 __u32 attr_mask; 1170 struct ib_uverbs_cq_moderation attr; 1171 __u32 reserved; 1172 }; 1173 1174 #define IB_DEVICE_NAME_MAX 64 1175 1176 #endif /* IB_USER_VERBS_H */ 1177