1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ 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 __aligned_u64 element; 121 __u32 event_type; /* enum ib_event_type */ 122 __u32 reserved; 123 }; 124 125 struct ib_uverbs_comp_event_desc { 126 __aligned_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_FLAG_EXTENDED 0x80000000u 145 146 struct ib_uverbs_cmd_hdr { 147 __u32 command; 148 __u16 in_words; 149 __u16 out_words; 150 }; 151 152 struct ib_uverbs_ex_cmd_hdr { 153 __aligned_u64 response; 154 __u16 provider_in_words; 155 __u16 provider_out_words; 156 __u32 cmd_hdr_reserved; 157 }; 158 159 struct ib_uverbs_get_context { 160 __aligned_u64 response; 161 __aligned_u64 driver_data[0]; 162 }; 163 164 struct ib_uverbs_get_context_resp { 165 __u32 async_fd; 166 __u32 num_comp_vectors; 167 }; 168 169 struct ib_uverbs_query_device { 170 __aligned_u64 response; 171 __aligned_u64 driver_data[0]; 172 }; 173 174 struct ib_uverbs_query_device_resp { 175 __aligned_u64 fw_ver; 176 __be64 node_guid; 177 __be64 sys_image_guid; 178 __aligned_u64 max_mr_size; 179 __aligned_u64 page_size_cap; 180 __u32 vendor_id; 181 __u32 vendor_part_id; 182 __u32 hw_ver; 183 __u32 max_qp; 184 __u32 max_qp_wr; 185 __u32 device_cap_flags; 186 __u32 max_sge; 187 __u32 max_sge_rd; 188 __u32 max_cq; 189 __u32 max_cqe; 190 __u32 max_mr; 191 __u32 max_pd; 192 __u32 max_qp_rd_atom; 193 __u32 max_ee_rd_atom; 194 __u32 max_res_rd_atom; 195 __u32 max_qp_init_rd_atom; 196 __u32 max_ee_init_rd_atom; 197 __u32 atomic_cap; 198 __u32 max_ee; 199 __u32 max_rdd; 200 __u32 max_mw; 201 __u32 max_raw_ipv6_qp; 202 __u32 max_raw_ethy_qp; 203 __u32 max_mcast_grp; 204 __u32 max_mcast_qp_attach; 205 __u32 max_total_mcast_qp_attach; 206 __u32 max_ah; 207 __u32 max_fmr; 208 __u32 max_map_per_fmr; 209 __u32 max_srq; 210 __u32 max_srq_wr; 211 __u32 max_srq_sge; 212 __u16 max_pkeys; 213 __u8 local_ca_ack_delay; 214 __u8 phys_port_cnt; 215 __u8 reserved[4]; 216 }; 217 218 struct ib_uverbs_ex_query_device { 219 __u32 comp_mask; 220 __u32 reserved; 221 }; 222 223 struct ib_uverbs_odp_caps { 224 __aligned_u64 general_caps; 225 struct { 226 __u32 rc_odp_caps; 227 __u32 uc_odp_caps; 228 __u32 ud_odp_caps; 229 } per_transport_caps; 230 __u32 reserved; 231 }; 232 233 struct ib_uverbs_rss_caps { 234 /* Corresponding bit will be set if qp type from 235 * 'enum ib_qp_type' is supported, e.g. 236 * supported_qpts |= 1 << IB_QPT_UD 237 */ 238 __u32 supported_qpts; 239 __u32 max_rwq_indirection_tables; 240 __u32 max_rwq_indirection_table_size; 241 __u32 reserved; 242 }; 243 244 struct ib_uverbs_tm_caps { 245 /* Max size of rendezvous request message */ 246 __u32 max_rndv_hdr_size; 247 /* Max number of entries in tag matching list */ 248 __u32 max_num_tags; 249 /* TM flags */ 250 __u32 flags; 251 /* Max number of outstanding list operations */ 252 __u32 max_ops; 253 /* Max number of SGE in tag matching entry */ 254 __u32 max_sge; 255 __u32 reserved; 256 }; 257 258 struct ib_uverbs_ex_query_device_resp { 259 struct ib_uverbs_query_device_resp base; 260 __u32 comp_mask; 261 __u32 response_length; 262 struct ib_uverbs_odp_caps odp_caps; 263 __aligned_u64 timestamp_mask; 264 __aligned_u64 hca_core_clock; /* in KHZ */ 265 __aligned_u64 device_cap_flags_ex; 266 struct ib_uverbs_rss_caps rss_caps; 267 __u32 max_wq_type_rq; 268 __u32 raw_packet_caps; 269 struct ib_uverbs_tm_caps tm_caps; 270 struct ib_uverbs_cq_moderation_caps cq_moderation_caps; 271 __aligned_u64 max_dm_size; 272 }; 273 274 struct ib_uverbs_query_port { 275 __aligned_u64 response; 276 __u8 port_num; 277 __u8 reserved[7]; 278 __aligned_u64 driver_data[0]; 279 }; 280 281 struct ib_uverbs_query_port_resp { 282 __u32 port_cap_flags; 283 __u32 max_msg_sz; 284 __u32 bad_pkey_cntr; 285 __u32 qkey_viol_cntr; 286 __u32 gid_tbl_len; 287 __u16 pkey_tbl_len; 288 __u16 lid; 289 __u16 sm_lid; 290 __u8 state; 291 __u8 max_mtu; 292 __u8 active_mtu; 293 __u8 lmc; 294 __u8 max_vl_num; 295 __u8 sm_sl; 296 __u8 subnet_timeout; 297 __u8 init_type_reply; 298 __u8 active_width; 299 __u8 active_speed; 300 __u8 phys_state; 301 __u8 link_layer; 302 __u8 reserved[2]; 303 }; 304 305 struct ib_uverbs_alloc_pd { 306 __aligned_u64 response; 307 __aligned_u64 driver_data[0]; 308 }; 309 310 struct ib_uverbs_alloc_pd_resp { 311 __u32 pd_handle; 312 }; 313 314 struct ib_uverbs_dealloc_pd { 315 __u32 pd_handle; 316 }; 317 318 struct ib_uverbs_open_xrcd { 319 __aligned_u64 response; 320 __u32 fd; 321 __u32 oflags; 322 __aligned_u64 driver_data[0]; 323 }; 324 325 struct ib_uverbs_open_xrcd_resp { 326 __u32 xrcd_handle; 327 }; 328 329 struct ib_uverbs_close_xrcd { 330 __u32 xrcd_handle; 331 }; 332 333 struct ib_uverbs_reg_mr { 334 __aligned_u64 response; 335 __aligned_u64 start; 336 __aligned_u64 length; 337 __aligned_u64 hca_va; 338 __u32 pd_handle; 339 __u32 access_flags; 340 __aligned_u64 driver_data[0]; 341 }; 342 343 struct ib_uverbs_reg_mr_resp { 344 __u32 mr_handle; 345 __u32 lkey; 346 __u32 rkey; 347 }; 348 349 struct ib_uverbs_rereg_mr { 350 __aligned_u64 response; 351 __u32 mr_handle; 352 __u32 flags; 353 __aligned_u64 start; 354 __aligned_u64 length; 355 __aligned_u64 hca_va; 356 __u32 pd_handle; 357 __u32 access_flags; 358 }; 359 360 struct ib_uverbs_rereg_mr_resp { 361 __u32 lkey; 362 __u32 rkey; 363 }; 364 365 struct ib_uverbs_dereg_mr { 366 __u32 mr_handle; 367 }; 368 369 struct ib_uverbs_alloc_mw { 370 __aligned_u64 response; 371 __u32 pd_handle; 372 __u8 mw_type; 373 __u8 reserved[3]; 374 }; 375 376 struct ib_uverbs_alloc_mw_resp { 377 __u32 mw_handle; 378 __u32 rkey; 379 }; 380 381 struct ib_uverbs_dealloc_mw { 382 __u32 mw_handle; 383 }; 384 385 struct ib_uverbs_create_comp_channel { 386 __aligned_u64 response; 387 }; 388 389 struct ib_uverbs_create_comp_channel_resp { 390 __u32 fd; 391 }; 392 393 struct ib_uverbs_create_cq { 394 __aligned_u64 response; 395 __aligned_u64 user_handle; 396 __u32 cqe; 397 __u32 comp_vector; 398 __s32 comp_channel; 399 __u32 reserved; 400 __aligned_u64 driver_data[0]; 401 }; 402 403 enum ib_uverbs_ex_create_cq_flags { 404 IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0, 405 IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1, 406 }; 407 408 struct ib_uverbs_ex_create_cq { 409 __aligned_u64 user_handle; 410 __u32 cqe; 411 __u32 comp_vector; 412 __s32 comp_channel; 413 __u32 comp_mask; 414 __u32 flags; /* bitmask of ib_uverbs_ex_create_cq_flags */ 415 __u32 reserved; 416 }; 417 418 struct ib_uverbs_create_cq_resp { 419 __u32 cq_handle; 420 __u32 cqe; 421 }; 422 423 struct ib_uverbs_ex_create_cq_resp { 424 struct ib_uverbs_create_cq_resp base; 425 __u32 comp_mask; 426 __u32 response_length; 427 }; 428 429 struct ib_uverbs_resize_cq { 430 __aligned_u64 response; 431 __u32 cq_handle; 432 __u32 cqe; 433 __aligned_u64 driver_data[0]; 434 }; 435 436 struct ib_uverbs_resize_cq_resp { 437 __u32 cqe; 438 __u32 reserved; 439 __aligned_u64 driver_data[0]; 440 }; 441 442 struct ib_uverbs_poll_cq { 443 __aligned_u64 response; 444 __u32 cq_handle; 445 __u32 ne; 446 }; 447 448 struct ib_uverbs_wc { 449 __aligned_u64 wr_id; 450 __u32 status; 451 __u32 opcode; 452 __u32 vendor_err; 453 __u32 byte_len; 454 union { 455 __be32 imm_data; 456 __u32 invalidate_rkey; 457 } ex; 458 __u32 qp_num; 459 __u32 src_qp; 460 __u32 wc_flags; 461 __u16 pkey_index; 462 __u16 slid; 463 __u8 sl; 464 __u8 dlid_path_bits; 465 __u8 port_num; 466 __u8 reserved; 467 }; 468 469 struct ib_uverbs_poll_cq_resp { 470 __u32 count; 471 __u32 reserved; 472 struct ib_uverbs_wc wc[0]; 473 }; 474 475 struct ib_uverbs_req_notify_cq { 476 __u32 cq_handle; 477 __u32 solicited_only; 478 }; 479 480 struct ib_uverbs_destroy_cq { 481 __aligned_u64 response; 482 __u32 cq_handle; 483 __u32 reserved; 484 }; 485 486 struct ib_uverbs_destroy_cq_resp { 487 __u32 comp_events_reported; 488 __u32 async_events_reported; 489 }; 490 491 struct ib_uverbs_global_route { 492 __u8 dgid[16]; 493 __u32 flow_label; 494 __u8 sgid_index; 495 __u8 hop_limit; 496 __u8 traffic_class; 497 __u8 reserved; 498 }; 499 500 struct ib_uverbs_ah_attr { 501 struct ib_uverbs_global_route grh; 502 __u16 dlid; 503 __u8 sl; 504 __u8 src_path_bits; 505 __u8 static_rate; 506 __u8 is_global; 507 __u8 port_num; 508 __u8 reserved; 509 }; 510 511 struct ib_uverbs_qp_attr { 512 __u32 qp_attr_mask; 513 __u32 qp_state; 514 __u32 cur_qp_state; 515 __u32 path_mtu; 516 __u32 path_mig_state; 517 __u32 qkey; 518 __u32 rq_psn; 519 __u32 sq_psn; 520 __u32 dest_qp_num; 521 __u32 qp_access_flags; 522 523 struct ib_uverbs_ah_attr ah_attr; 524 struct ib_uverbs_ah_attr alt_ah_attr; 525 526 /* ib_qp_cap */ 527 __u32 max_send_wr; 528 __u32 max_recv_wr; 529 __u32 max_send_sge; 530 __u32 max_recv_sge; 531 __u32 max_inline_data; 532 533 __u16 pkey_index; 534 __u16 alt_pkey_index; 535 __u8 en_sqd_async_notify; 536 __u8 sq_draining; 537 __u8 max_rd_atomic; 538 __u8 max_dest_rd_atomic; 539 __u8 min_rnr_timer; 540 __u8 port_num; 541 __u8 timeout; 542 __u8 retry_cnt; 543 __u8 rnr_retry; 544 __u8 alt_port_num; 545 __u8 alt_timeout; 546 __u8 reserved[5]; 547 }; 548 549 struct ib_uverbs_create_qp { 550 __aligned_u64 response; 551 __aligned_u64 user_handle; 552 __u32 pd_handle; 553 __u32 send_cq_handle; 554 __u32 recv_cq_handle; 555 __u32 srq_handle; 556 __u32 max_send_wr; 557 __u32 max_recv_wr; 558 __u32 max_send_sge; 559 __u32 max_recv_sge; 560 __u32 max_inline_data; 561 __u8 sq_sig_all; 562 __u8 qp_type; 563 __u8 is_srq; 564 __u8 reserved; 565 __aligned_u64 driver_data[0]; 566 }; 567 568 enum ib_uverbs_create_qp_mask { 569 IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0, 570 }; 571 572 enum { 573 IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE, 574 }; 575 576 enum { 577 /* 578 * This value is equal to IB_QP_DEST_QPN. 579 */ 580 IB_USER_LEGACY_LAST_QP_ATTR_MASK = 1ULL << 20, 581 }; 582 583 enum { 584 /* 585 * This value is equal to IB_QP_RATE_LIMIT. 586 */ 587 IB_USER_LAST_QP_ATTR_MASK = 1ULL << 25, 588 }; 589 590 struct ib_uverbs_ex_create_qp { 591 __aligned_u64 user_handle; 592 __u32 pd_handle; 593 __u32 send_cq_handle; 594 __u32 recv_cq_handle; 595 __u32 srq_handle; 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 __u8 sq_sig_all; 602 __u8 qp_type; 603 __u8 is_srq; 604 __u8 reserved; 605 __u32 comp_mask; 606 __u32 create_flags; 607 __u32 rwq_ind_tbl_handle; 608 __u32 source_qpn; 609 }; 610 611 struct ib_uverbs_open_qp { 612 __aligned_u64 response; 613 __aligned_u64 user_handle; 614 __u32 pd_handle; 615 __u32 qpn; 616 __u8 qp_type; 617 __u8 reserved[7]; 618 __aligned_u64 driver_data[0]; 619 }; 620 621 /* also used for open response */ 622 struct ib_uverbs_create_qp_resp { 623 __u32 qp_handle; 624 __u32 qpn; 625 __u32 max_send_wr; 626 __u32 max_recv_wr; 627 __u32 max_send_sge; 628 __u32 max_recv_sge; 629 __u32 max_inline_data; 630 __u32 reserved; 631 }; 632 633 struct ib_uverbs_ex_create_qp_resp { 634 struct ib_uverbs_create_qp_resp base; 635 __u32 comp_mask; 636 __u32 response_length; 637 }; 638 639 /* 640 * This struct needs to remain a multiple of 8 bytes to keep the 641 * alignment of the modify QP parameters. 642 */ 643 struct ib_uverbs_qp_dest { 644 __u8 dgid[16]; 645 __u32 flow_label; 646 __u16 dlid; 647 __u16 reserved; 648 __u8 sgid_index; 649 __u8 hop_limit; 650 __u8 traffic_class; 651 __u8 sl; 652 __u8 src_path_bits; 653 __u8 static_rate; 654 __u8 is_global; 655 __u8 port_num; 656 }; 657 658 struct ib_uverbs_query_qp { 659 __aligned_u64 response; 660 __u32 qp_handle; 661 __u32 attr_mask; 662 __aligned_u64 driver_data[0]; 663 }; 664 665 struct ib_uverbs_query_qp_resp { 666 struct ib_uverbs_qp_dest dest; 667 struct ib_uverbs_qp_dest alt_dest; 668 __u32 max_send_wr; 669 __u32 max_recv_wr; 670 __u32 max_send_sge; 671 __u32 max_recv_sge; 672 __u32 max_inline_data; 673 __u32 qkey; 674 __u32 rq_psn; 675 __u32 sq_psn; 676 __u32 dest_qp_num; 677 __u32 qp_access_flags; 678 __u16 pkey_index; 679 __u16 alt_pkey_index; 680 __u8 qp_state; 681 __u8 cur_qp_state; 682 __u8 path_mtu; 683 __u8 path_mig_state; 684 __u8 sq_draining; 685 __u8 max_rd_atomic; 686 __u8 max_dest_rd_atomic; 687 __u8 min_rnr_timer; 688 __u8 port_num; 689 __u8 timeout; 690 __u8 retry_cnt; 691 __u8 rnr_retry; 692 __u8 alt_port_num; 693 __u8 alt_timeout; 694 __u8 sq_sig_all; 695 __u8 reserved[5]; 696 __aligned_u64 driver_data[0]; 697 }; 698 699 struct ib_uverbs_modify_qp { 700 struct ib_uverbs_qp_dest dest; 701 struct ib_uverbs_qp_dest alt_dest; 702 __u32 qp_handle; 703 __u32 attr_mask; 704 __u32 qkey; 705 __u32 rq_psn; 706 __u32 sq_psn; 707 __u32 dest_qp_num; 708 __u32 qp_access_flags; 709 __u16 pkey_index; 710 __u16 alt_pkey_index; 711 __u8 qp_state; 712 __u8 cur_qp_state; 713 __u8 path_mtu; 714 __u8 path_mig_state; 715 __u8 en_sqd_async_notify; 716 __u8 max_rd_atomic; 717 __u8 max_dest_rd_atomic; 718 __u8 min_rnr_timer; 719 __u8 port_num; 720 __u8 timeout; 721 __u8 retry_cnt; 722 __u8 rnr_retry; 723 __u8 alt_port_num; 724 __u8 alt_timeout; 725 __u8 reserved[2]; 726 __aligned_u64 driver_data[0]; 727 }; 728 729 struct ib_uverbs_ex_modify_qp { 730 struct ib_uverbs_modify_qp base; 731 __u32 rate_limit; 732 __u32 reserved; 733 }; 734 735 struct ib_uverbs_modify_qp_resp { 736 }; 737 738 struct ib_uverbs_ex_modify_qp_resp { 739 __u32 comp_mask; 740 __u32 response_length; 741 }; 742 743 struct ib_uverbs_destroy_qp { 744 __aligned_u64 response; 745 __u32 qp_handle; 746 __u32 reserved; 747 }; 748 749 struct ib_uverbs_destroy_qp_resp { 750 __u32 events_reported; 751 }; 752 753 /* 754 * The ib_uverbs_sge structure isn't used anywhere, since we assume 755 * the ib_sge structure is packed the same way on 32-bit and 64-bit 756 * architectures in both kernel and user space. It's just here to 757 * document the ABI. 758 */ 759 struct ib_uverbs_sge { 760 __aligned_u64 addr; 761 __u32 length; 762 __u32 lkey; 763 }; 764 765 struct ib_uverbs_send_wr { 766 __aligned_u64 wr_id; 767 __u32 num_sge; 768 __u32 opcode; 769 __u32 send_flags; 770 union { 771 __be32 imm_data; 772 __u32 invalidate_rkey; 773 } ex; 774 union { 775 struct { 776 __aligned_u64 remote_addr; 777 __u32 rkey; 778 __u32 reserved; 779 } rdma; 780 struct { 781 __aligned_u64 remote_addr; 782 __aligned_u64 compare_add; 783 __aligned_u64 swap; 784 __u32 rkey; 785 __u32 reserved; 786 } atomic; 787 struct { 788 __u32 ah; 789 __u32 remote_qpn; 790 __u32 remote_qkey; 791 __u32 reserved; 792 } ud; 793 } wr; 794 }; 795 796 struct ib_uverbs_post_send { 797 __aligned_u64 response; 798 __u32 qp_handle; 799 __u32 wr_count; 800 __u32 sge_count; 801 __u32 wqe_size; 802 struct ib_uverbs_send_wr send_wr[0]; 803 }; 804 805 struct ib_uverbs_post_send_resp { 806 __u32 bad_wr; 807 }; 808 809 struct ib_uverbs_recv_wr { 810 __aligned_u64 wr_id; 811 __u32 num_sge; 812 __u32 reserved; 813 }; 814 815 struct ib_uverbs_post_recv { 816 __aligned_u64 response; 817 __u32 qp_handle; 818 __u32 wr_count; 819 __u32 sge_count; 820 __u32 wqe_size; 821 struct ib_uverbs_recv_wr recv_wr[0]; 822 }; 823 824 struct ib_uverbs_post_recv_resp { 825 __u32 bad_wr; 826 }; 827 828 struct ib_uverbs_post_srq_recv { 829 __aligned_u64 response; 830 __u32 srq_handle; 831 __u32 wr_count; 832 __u32 sge_count; 833 __u32 wqe_size; 834 struct ib_uverbs_recv_wr recv[0]; 835 }; 836 837 struct ib_uverbs_post_srq_recv_resp { 838 __u32 bad_wr; 839 }; 840 841 struct ib_uverbs_create_ah { 842 __aligned_u64 response; 843 __aligned_u64 user_handle; 844 __u32 pd_handle; 845 __u32 reserved; 846 struct ib_uverbs_ah_attr attr; 847 }; 848 849 struct ib_uverbs_create_ah_resp { 850 __u32 ah_handle; 851 }; 852 853 struct ib_uverbs_destroy_ah { 854 __u32 ah_handle; 855 }; 856 857 struct ib_uverbs_attach_mcast { 858 __u8 gid[16]; 859 __u32 qp_handle; 860 __u16 mlid; 861 __u16 reserved; 862 __aligned_u64 driver_data[0]; 863 }; 864 865 struct ib_uverbs_detach_mcast { 866 __u8 gid[16]; 867 __u32 qp_handle; 868 __u16 mlid; 869 __u16 reserved; 870 __aligned_u64 driver_data[0]; 871 }; 872 873 struct ib_uverbs_flow_spec_hdr { 874 __u32 type; 875 __u16 size; 876 __u16 reserved; 877 /* followed by flow_spec */ 878 __aligned_u64 flow_spec_data[0]; 879 }; 880 881 struct ib_uverbs_flow_eth_filter { 882 __u8 dst_mac[6]; 883 __u8 src_mac[6]; 884 __be16 ether_type; 885 __be16 vlan_tag; 886 }; 887 888 struct ib_uverbs_flow_spec_eth { 889 union { 890 struct ib_uverbs_flow_spec_hdr hdr; 891 struct { 892 __u32 type; 893 __u16 size; 894 __u16 reserved; 895 }; 896 }; 897 struct ib_uverbs_flow_eth_filter val; 898 struct ib_uverbs_flow_eth_filter mask; 899 }; 900 901 struct ib_uverbs_flow_ipv4_filter { 902 __be32 src_ip; 903 __be32 dst_ip; 904 __u8 proto; 905 __u8 tos; 906 __u8 ttl; 907 __u8 flags; 908 }; 909 910 struct ib_uverbs_flow_spec_ipv4 { 911 union { 912 struct ib_uverbs_flow_spec_hdr hdr; 913 struct { 914 __u32 type; 915 __u16 size; 916 __u16 reserved; 917 }; 918 }; 919 struct ib_uverbs_flow_ipv4_filter val; 920 struct ib_uverbs_flow_ipv4_filter mask; 921 }; 922 923 struct ib_uverbs_flow_tcp_udp_filter { 924 __be16 dst_port; 925 __be16 src_port; 926 }; 927 928 struct ib_uverbs_flow_spec_tcp_udp { 929 union { 930 struct ib_uverbs_flow_spec_hdr hdr; 931 struct { 932 __u32 type; 933 __u16 size; 934 __u16 reserved; 935 }; 936 }; 937 struct ib_uverbs_flow_tcp_udp_filter val; 938 struct ib_uverbs_flow_tcp_udp_filter mask; 939 }; 940 941 struct ib_uverbs_flow_ipv6_filter { 942 __u8 src_ip[16]; 943 __u8 dst_ip[16]; 944 __be32 flow_label; 945 __u8 next_hdr; 946 __u8 traffic_class; 947 __u8 hop_limit; 948 __u8 reserved; 949 }; 950 951 struct ib_uverbs_flow_spec_ipv6 { 952 union { 953 struct ib_uverbs_flow_spec_hdr hdr; 954 struct { 955 __u32 type; 956 __u16 size; 957 __u16 reserved; 958 }; 959 }; 960 struct ib_uverbs_flow_ipv6_filter val; 961 struct ib_uverbs_flow_ipv6_filter mask; 962 }; 963 964 struct ib_uverbs_flow_spec_action_tag { 965 union { 966 struct ib_uverbs_flow_spec_hdr hdr; 967 struct { 968 __u32 type; 969 __u16 size; 970 __u16 reserved; 971 }; 972 }; 973 __u32 tag_id; 974 __u32 reserved1; 975 }; 976 977 struct ib_uverbs_flow_spec_action_drop { 978 union { 979 struct ib_uverbs_flow_spec_hdr hdr; 980 struct { 981 __u32 type; 982 __u16 size; 983 __u16 reserved; 984 }; 985 }; 986 }; 987 988 struct ib_uverbs_flow_spec_action_handle { 989 union { 990 struct ib_uverbs_flow_spec_hdr hdr; 991 struct { 992 __u32 type; 993 __u16 size; 994 __u16 reserved; 995 }; 996 }; 997 __u32 handle; 998 __u32 reserved1; 999 }; 1000 1001 struct ib_uverbs_flow_spec_action_count { 1002 union { 1003 struct ib_uverbs_flow_spec_hdr hdr; 1004 struct { 1005 __u32 type; 1006 __u16 size; 1007 __u16 reserved; 1008 }; 1009 }; 1010 __u32 handle; 1011 __u32 reserved1; 1012 }; 1013 1014 struct ib_uverbs_flow_tunnel_filter { 1015 __be32 tunnel_id; 1016 }; 1017 1018 struct ib_uverbs_flow_spec_tunnel { 1019 union { 1020 struct ib_uverbs_flow_spec_hdr hdr; 1021 struct { 1022 __u32 type; 1023 __u16 size; 1024 __u16 reserved; 1025 }; 1026 }; 1027 struct ib_uverbs_flow_tunnel_filter val; 1028 struct ib_uverbs_flow_tunnel_filter mask; 1029 }; 1030 1031 struct ib_uverbs_flow_spec_esp_filter { 1032 __u32 spi; 1033 __u32 seq; 1034 }; 1035 1036 struct ib_uverbs_flow_spec_esp { 1037 union { 1038 struct ib_uverbs_flow_spec_hdr hdr; 1039 struct { 1040 __u32 type; 1041 __u16 size; 1042 __u16 reserved; 1043 }; 1044 }; 1045 struct ib_uverbs_flow_spec_esp_filter val; 1046 struct ib_uverbs_flow_spec_esp_filter mask; 1047 }; 1048 1049 struct ib_uverbs_flow_gre_filter { 1050 /* c_ks_res0_ver field is bits 0-15 in offset 0 of a standard GRE header: 1051 * bit 0 - C - checksum bit. 1052 * bit 1 - reserved. set to 0. 1053 * bit 2 - key bit. 1054 * bit 3 - sequence number bit. 1055 * bits 4:12 - reserved. set to 0. 1056 * bits 13:15 - GRE version. 1057 */ 1058 __be16 c_ks_res0_ver; 1059 __be16 protocol; 1060 __be32 key; 1061 }; 1062 1063 struct ib_uverbs_flow_spec_gre { 1064 union { 1065 struct ib_uverbs_flow_spec_hdr hdr; 1066 struct { 1067 __u32 type; 1068 __u16 size; 1069 __u16 reserved; 1070 }; 1071 }; 1072 struct ib_uverbs_flow_gre_filter val; 1073 struct ib_uverbs_flow_gre_filter mask; 1074 }; 1075 1076 struct ib_uverbs_flow_mpls_filter { 1077 /* The field includes the entire MPLS label: 1078 * bits 0:19 - label field. 1079 * bits 20:22 - traffic class field. 1080 * bits 23 - bottom of stack bit. 1081 * bits 24:31 - ttl field. 1082 */ 1083 __be32 label; 1084 }; 1085 1086 struct ib_uverbs_flow_spec_mpls { 1087 union { 1088 struct ib_uverbs_flow_spec_hdr hdr; 1089 struct { 1090 __u32 type; 1091 __u16 size; 1092 __u16 reserved; 1093 }; 1094 }; 1095 struct ib_uverbs_flow_mpls_filter val; 1096 struct ib_uverbs_flow_mpls_filter mask; 1097 }; 1098 1099 struct ib_uverbs_flow_attr { 1100 __u32 type; 1101 __u16 size; 1102 __u16 priority; 1103 __u8 num_of_specs; 1104 __u8 reserved[2]; 1105 __u8 port; 1106 __u32 flags; 1107 /* Following are the optional layers according to user request 1108 * struct ib_flow_spec_xxx 1109 * struct ib_flow_spec_yyy 1110 */ 1111 struct ib_uverbs_flow_spec_hdr flow_specs[0]; 1112 }; 1113 1114 struct ib_uverbs_create_flow { 1115 __u32 comp_mask; 1116 __u32 qp_handle; 1117 struct ib_uverbs_flow_attr flow_attr; 1118 }; 1119 1120 struct ib_uverbs_create_flow_resp { 1121 __u32 comp_mask; 1122 __u32 flow_handle; 1123 }; 1124 1125 struct ib_uverbs_destroy_flow { 1126 __u32 comp_mask; 1127 __u32 flow_handle; 1128 }; 1129 1130 struct ib_uverbs_create_srq { 1131 __aligned_u64 response; 1132 __aligned_u64 user_handle; 1133 __u32 pd_handle; 1134 __u32 max_wr; 1135 __u32 max_sge; 1136 __u32 srq_limit; 1137 __aligned_u64 driver_data[0]; 1138 }; 1139 1140 struct ib_uverbs_create_xsrq { 1141 __aligned_u64 response; 1142 __aligned_u64 user_handle; 1143 __u32 srq_type; 1144 __u32 pd_handle; 1145 __u32 max_wr; 1146 __u32 max_sge; 1147 __u32 srq_limit; 1148 __u32 max_num_tags; 1149 __u32 xrcd_handle; 1150 __u32 cq_handle; 1151 __aligned_u64 driver_data[0]; 1152 }; 1153 1154 struct ib_uverbs_create_srq_resp { 1155 __u32 srq_handle; 1156 __u32 max_wr; 1157 __u32 max_sge; 1158 __u32 srqn; 1159 }; 1160 1161 struct ib_uverbs_modify_srq { 1162 __u32 srq_handle; 1163 __u32 attr_mask; 1164 __u32 max_wr; 1165 __u32 srq_limit; 1166 __aligned_u64 driver_data[0]; 1167 }; 1168 1169 struct ib_uverbs_query_srq { 1170 __aligned_u64 response; 1171 __u32 srq_handle; 1172 __u32 reserved; 1173 __aligned_u64 driver_data[0]; 1174 }; 1175 1176 struct ib_uverbs_query_srq_resp { 1177 __u32 max_wr; 1178 __u32 max_sge; 1179 __u32 srq_limit; 1180 __u32 reserved; 1181 }; 1182 1183 struct ib_uverbs_destroy_srq { 1184 __aligned_u64 response; 1185 __u32 srq_handle; 1186 __u32 reserved; 1187 }; 1188 1189 struct ib_uverbs_destroy_srq_resp { 1190 __u32 events_reported; 1191 }; 1192 1193 struct ib_uverbs_ex_create_wq { 1194 __u32 comp_mask; 1195 __u32 wq_type; 1196 __aligned_u64 user_handle; 1197 __u32 pd_handle; 1198 __u32 cq_handle; 1199 __u32 max_wr; 1200 __u32 max_sge; 1201 __u32 create_flags; /* Use enum ib_wq_flags */ 1202 __u32 reserved; 1203 }; 1204 1205 struct ib_uverbs_ex_create_wq_resp { 1206 __u32 comp_mask; 1207 __u32 response_length; 1208 __u32 wq_handle; 1209 __u32 max_wr; 1210 __u32 max_sge; 1211 __u32 wqn; 1212 }; 1213 1214 struct ib_uverbs_ex_destroy_wq { 1215 __u32 comp_mask; 1216 __u32 wq_handle; 1217 }; 1218 1219 struct ib_uverbs_ex_destroy_wq_resp { 1220 __u32 comp_mask; 1221 __u32 response_length; 1222 __u32 events_reported; 1223 __u32 reserved; 1224 }; 1225 1226 struct ib_uverbs_ex_modify_wq { 1227 __u32 attr_mask; 1228 __u32 wq_handle; 1229 __u32 wq_state; 1230 __u32 curr_wq_state; 1231 __u32 flags; /* Use enum ib_wq_flags */ 1232 __u32 flags_mask; /* Use enum ib_wq_flags */ 1233 }; 1234 1235 /* Prevent memory allocation rather than max expected size */ 1236 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d 1237 struct ib_uverbs_ex_create_rwq_ind_table { 1238 __u32 comp_mask; 1239 __u32 log_ind_tbl_size; 1240 /* Following are the wq handles according to log_ind_tbl_size 1241 * wq_handle1 1242 * wq_handle2 1243 */ 1244 __u32 wq_handles[0]; 1245 }; 1246 1247 struct ib_uverbs_ex_create_rwq_ind_table_resp { 1248 __u32 comp_mask; 1249 __u32 response_length; 1250 __u32 ind_tbl_handle; 1251 __u32 ind_tbl_num; 1252 }; 1253 1254 struct ib_uverbs_ex_destroy_rwq_ind_table { 1255 __u32 comp_mask; 1256 __u32 ind_tbl_handle; 1257 }; 1258 1259 struct ib_uverbs_cq_moderation { 1260 __u16 cq_count; 1261 __u16 cq_period; 1262 }; 1263 1264 struct ib_uverbs_ex_modify_cq { 1265 __u32 cq_handle; 1266 __u32 attr_mask; 1267 struct ib_uverbs_cq_moderation attr; 1268 __u32 reserved; 1269 }; 1270 1271 #define IB_DEVICE_NAME_MAX 64 1272 1273 #endif /* IB_USER_VERBS_H */ 1274