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 ib_uverbs_write_cmds { 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 __aligned_u64 driver_data[0]; 168 }; 169 170 struct ib_uverbs_query_device { 171 __aligned_u64 response; 172 __aligned_u64 driver_data[0]; 173 }; 174 175 struct ib_uverbs_query_device_resp { 176 __aligned_u64 fw_ver; 177 __be64 node_guid; 178 __be64 sys_image_guid; 179 __aligned_u64 max_mr_size; 180 __aligned_u64 page_size_cap; 181 __u32 vendor_id; 182 __u32 vendor_part_id; 183 __u32 hw_ver; 184 __u32 max_qp; 185 __u32 max_qp_wr; 186 __u32 device_cap_flags; 187 __u32 max_sge; 188 __u32 max_sge_rd; 189 __u32 max_cq; 190 __u32 max_cqe; 191 __u32 max_mr; 192 __u32 max_pd; 193 __u32 max_qp_rd_atom; 194 __u32 max_ee_rd_atom; 195 __u32 max_res_rd_atom; 196 __u32 max_qp_init_rd_atom; 197 __u32 max_ee_init_rd_atom; 198 __u32 atomic_cap; 199 __u32 max_ee; 200 __u32 max_rdd; 201 __u32 max_mw; 202 __u32 max_raw_ipv6_qp; 203 __u32 max_raw_ethy_qp; 204 __u32 max_mcast_grp; 205 __u32 max_mcast_qp_attach; 206 __u32 max_total_mcast_qp_attach; 207 __u32 max_ah; 208 __u32 max_fmr; 209 __u32 max_map_per_fmr; 210 __u32 max_srq; 211 __u32 max_srq_wr; 212 __u32 max_srq_sge; 213 __u16 max_pkeys; 214 __u8 local_ca_ack_delay; 215 __u8 phys_port_cnt; 216 __u8 reserved[4]; 217 }; 218 219 struct ib_uverbs_ex_query_device { 220 __u32 comp_mask; 221 __u32 reserved; 222 }; 223 224 struct ib_uverbs_odp_caps { 225 __aligned_u64 general_caps; 226 struct { 227 __u32 rc_odp_caps; 228 __u32 uc_odp_caps; 229 __u32 ud_odp_caps; 230 } per_transport_caps; 231 __u32 reserved; 232 }; 233 234 struct ib_uverbs_rss_caps { 235 /* Corresponding bit will be set if qp type from 236 * 'enum ib_qp_type' is supported, e.g. 237 * supported_qpts |= 1 << IB_QPT_UD 238 */ 239 __u32 supported_qpts; 240 __u32 max_rwq_indirection_tables; 241 __u32 max_rwq_indirection_table_size; 242 __u32 reserved; 243 }; 244 245 struct ib_uverbs_tm_caps { 246 /* Max size of rendezvous request message */ 247 __u32 max_rndv_hdr_size; 248 /* Max number of entries in tag matching list */ 249 __u32 max_num_tags; 250 /* TM flags */ 251 __u32 flags; 252 /* Max number of outstanding list operations */ 253 __u32 max_ops; 254 /* Max number of SGE in tag matching entry */ 255 __u32 max_sge; 256 __u32 reserved; 257 }; 258 259 struct ib_uverbs_ex_query_device_resp { 260 struct ib_uverbs_query_device_resp base; 261 __u32 comp_mask; 262 __u32 response_length; 263 struct ib_uverbs_odp_caps odp_caps; 264 __aligned_u64 timestamp_mask; 265 __aligned_u64 hca_core_clock; /* in KHZ */ 266 __aligned_u64 device_cap_flags_ex; 267 struct ib_uverbs_rss_caps rss_caps; 268 __u32 max_wq_type_rq; 269 __u32 raw_packet_caps; 270 struct ib_uverbs_tm_caps tm_caps; 271 struct ib_uverbs_cq_moderation_caps cq_moderation_caps; 272 __aligned_u64 max_dm_size; 273 __u32 xrc_odp_caps; 274 __u32 reserved; 275 }; 276 277 struct ib_uverbs_query_port { 278 __aligned_u64 response; 279 __u8 port_num; 280 __u8 reserved[7]; 281 __aligned_u64 driver_data[0]; 282 }; 283 284 struct ib_uverbs_query_port_resp { 285 __u32 port_cap_flags; /* see ib_uverbs_query_port_cap_flags */ 286 __u32 max_msg_sz; 287 __u32 bad_pkey_cntr; 288 __u32 qkey_viol_cntr; 289 __u32 gid_tbl_len; 290 __u16 pkey_tbl_len; 291 __u16 lid; 292 __u16 sm_lid; 293 __u8 state; 294 __u8 max_mtu; 295 __u8 active_mtu; 296 __u8 lmc; 297 __u8 max_vl_num; 298 __u8 sm_sl; 299 __u8 subnet_timeout; 300 __u8 init_type_reply; 301 __u8 active_width; 302 __u8 active_speed; 303 __u8 phys_state; 304 __u8 link_layer; 305 __u8 flags; /* see ib_uverbs_query_port_flags */ 306 __u8 reserved; 307 }; 308 309 struct ib_uverbs_alloc_pd { 310 __aligned_u64 response; 311 __aligned_u64 driver_data[0]; 312 }; 313 314 struct ib_uverbs_alloc_pd_resp { 315 __u32 pd_handle; 316 __u32 driver_data[0]; 317 }; 318 319 struct ib_uverbs_dealloc_pd { 320 __u32 pd_handle; 321 }; 322 323 struct ib_uverbs_open_xrcd { 324 __aligned_u64 response; 325 __u32 fd; 326 __u32 oflags; 327 __aligned_u64 driver_data[0]; 328 }; 329 330 struct ib_uverbs_open_xrcd_resp { 331 __u32 xrcd_handle; 332 __u32 driver_data[0]; 333 }; 334 335 struct ib_uverbs_close_xrcd { 336 __u32 xrcd_handle; 337 }; 338 339 struct ib_uverbs_reg_mr { 340 __aligned_u64 response; 341 __aligned_u64 start; 342 __aligned_u64 length; 343 __aligned_u64 hca_va; 344 __u32 pd_handle; 345 __u32 access_flags; 346 __aligned_u64 driver_data[0]; 347 }; 348 349 struct ib_uverbs_reg_mr_resp { 350 __u32 mr_handle; 351 __u32 lkey; 352 __u32 rkey; 353 __u32 driver_data[0]; 354 }; 355 356 struct ib_uverbs_rereg_mr { 357 __aligned_u64 response; 358 __u32 mr_handle; 359 __u32 flags; 360 __aligned_u64 start; 361 __aligned_u64 length; 362 __aligned_u64 hca_va; 363 __u32 pd_handle; 364 __u32 access_flags; 365 __aligned_u64 driver_data[0]; 366 }; 367 368 struct ib_uverbs_rereg_mr_resp { 369 __u32 lkey; 370 __u32 rkey; 371 __aligned_u64 driver_data[0]; 372 }; 373 374 struct ib_uverbs_dereg_mr { 375 __u32 mr_handle; 376 }; 377 378 struct ib_uverbs_alloc_mw { 379 __aligned_u64 response; 380 __u32 pd_handle; 381 __u8 mw_type; 382 __u8 reserved[3]; 383 __aligned_u64 driver_data[0]; 384 }; 385 386 struct ib_uverbs_alloc_mw_resp { 387 __u32 mw_handle; 388 __u32 rkey; 389 __aligned_u64 driver_data[0]; 390 }; 391 392 struct ib_uverbs_dealloc_mw { 393 __u32 mw_handle; 394 }; 395 396 struct ib_uverbs_create_comp_channel { 397 __aligned_u64 response; 398 }; 399 400 struct ib_uverbs_create_comp_channel_resp { 401 __u32 fd; 402 }; 403 404 struct ib_uverbs_create_cq { 405 __aligned_u64 response; 406 __aligned_u64 user_handle; 407 __u32 cqe; 408 __u32 comp_vector; 409 __s32 comp_channel; 410 __u32 reserved; 411 __aligned_u64 driver_data[0]; 412 }; 413 414 enum ib_uverbs_ex_create_cq_flags { 415 IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0, 416 IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1, 417 }; 418 419 struct ib_uverbs_ex_create_cq { 420 __aligned_u64 user_handle; 421 __u32 cqe; 422 __u32 comp_vector; 423 __s32 comp_channel; 424 __u32 comp_mask; 425 __u32 flags; /* bitmask of ib_uverbs_ex_create_cq_flags */ 426 __u32 reserved; 427 }; 428 429 struct ib_uverbs_create_cq_resp { 430 __u32 cq_handle; 431 __u32 cqe; 432 __aligned_u64 driver_data[0]; 433 }; 434 435 struct ib_uverbs_ex_create_cq_resp { 436 struct ib_uverbs_create_cq_resp base; 437 __u32 comp_mask; 438 __u32 response_length; 439 }; 440 441 struct ib_uverbs_resize_cq { 442 __aligned_u64 response; 443 __u32 cq_handle; 444 __u32 cqe; 445 __aligned_u64 driver_data[0]; 446 }; 447 448 struct ib_uverbs_resize_cq_resp { 449 __u32 cqe; 450 __u32 reserved; 451 __aligned_u64 driver_data[0]; 452 }; 453 454 struct ib_uverbs_poll_cq { 455 __aligned_u64 response; 456 __u32 cq_handle; 457 __u32 ne; 458 }; 459 460 struct ib_uverbs_wc { 461 __aligned_u64 wr_id; 462 __u32 status; 463 __u32 opcode; 464 __u32 vendor_err; 465 __u32 byte_len; 466 union { 467 __be32 imm_data; 468 __u32 invalidate_rkey; 469 } ex; 470 __u32 qp_num; 471 __u32 src_qp; 472 __u32 wc_flags; 473 __u16 pkey_index; 474 __u16 slid; 475 __u8 sl; 476 __u8 dlid_path_bits; 477 __u8 port_num; 478 __u8 reserved; 479 }; 480 481 struct ib_uverbs_poll_cq_resp { 482 __u32 count; 483 __u32 reserved; 484 struct ib_uverbs_wc wc[0]; 485 }; 486 487 struct ib_uverbs_req_notify_cq { 488 __u32 cq_handle; 489 __u32 solicited_only; 490 }; 491 492 struct ib_uverbs_destroy_cq { 493 __aligned_u64 response; 494 __u32 cq_handle; 495 __u32 reserved; 496 }; 497 498 struct ib_uverbs_destroy_cq_resp { 499 __u32 comp_events_reported; 500 __u32 async_events_reported; 501 }; 502 503 struct ib_uverbs_global_route { 504 __u8 dgid[16]; 505 __u32 flow_label; 506 __u8 sgid_index; 507 __u8 hop_limit; 508 __u8 traffic_class; 509 __u8 reserved; 510 }; 511 512 struct ib_uverbs_ah_attr { 513 struct ib_uverbs_global_route grh; 514 __u16 dlid; 515 __u8 sl; 516 __u8 src_path_bits; 517 __u8 static_rate; 518 __u8 is_global; 519 __u8 port_num; 520 __u8 reserved; 521 }; 522 523 struct ib_uverbs_qp_attr { 524 __u32 qp_attr_mask; 525 __u32 qp_state; 526 __u32 cur_qp_state; 527 __u32 path_mtu; 528 __u32 path_mig_state; 529 __u32 qkey; 530 __u32 rq_psn; 531 __u32 sq_psn; 532 __u32 dest_qp_num; 533 __u32 qp_access_flags; 534 535 struct ib_uverbs_ah_attr ah_attr; 536 struct ib_uverbs_ah_attr alt_ah_attr; 537 538 /* ib_qp_cap */ 539 __u32 max_send_wr; 540 __u32 max_recv_wr; 541 __u32 max_send_sge; 542 __u32 max_recv_sge; 543 __u32 max_inline_data; 544 545 __u16 pkey_index; 546 __u16 alt_pkey_index; 547 __u8 en_sqd_async_notify; 548 __u8 sq_draining; 549 __u8 max_rd_atomic; 550 __u8 max_dest_rd_atomic; 551 __u8 min_rnr_timer; 552 __u8 port_num; 553 __u8 timeout; 554 __u8 retry_cnt; 555 __u8 rnr_retry; 556 __u8 alt_port_num; 557 __u8 alt_timeout; 558 __u8 reserved[5]; 559 }; 560 561 struct ib_uverbs_create_qp { 562 __aligned_u64 response; 563 __aligned_u64 user_handle; 564 __u32 pd_handle; 565 __u32 send_cq_handle; 566 __u32 recv_cq_handle; 567 __u32 srq_handle; 568 __u32 max_send_wr; 569 __u32 max_recv_wr; 570 __u32 max_send_sge; 571 __u32 max_recv_sge; 572 __u32 max_inline_data; 573 __u8 sq_sig_all; 574 __u8 qp_type; 575 __u8 is_srq; 576 __u8 reserved; 577 __aligned_u64 driver_data[0]; 578 }; 579 580 enum ib_uverbs_create_qp_mask { 581 IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0, 582 }; 583 584 enum { 585 IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE, 586 }; 587 588 enum { 589 /* 590 * This value is equal to IB_QP_DEST_QPN. 591 */ 592 IB_USER_LEGACY_LAST_QP_ATTR_MASK = 1ULL << 20, 593 }; 594 595 enum { 596 /* 597 * This value is equal to IB_QP_RATE_LIMIT. 598 */ 599 IB_USER_LAST_QP_ATTR_MASK = 1ULL << 25, 600 }; 601 602 struct ib_uverbs_ex_create_qp { 603 __aligned_u64 user_handle; 604 __u32 pd_handle; 605 __u32 send_cq_handle; 606 __u32 recv_cq_handle; 607 __u32 srq_handle; 608 __u32 max_send_wr; 609 __u32 max_recv_wr; 610 __u32 max_send_sge; 611 __u32 max_recv_sge; 612 __u32 max_inline_data; 613 __u8 sq_sig_all; 614 __u8 qp_type; 615 __u8 is_srq; 616 __u8 reserved; 617 __u32 comp_mask; 618 __u32 create_flags; 619 __u32 rwq_ind_tbl_handle; 620 __u32 source_qpn; 621 }; 622 623 struct ib_uverbs_open_qp { 624 __aligned_u64 response; 625 __aligned_u64 user_handle; 626 __u32 pd_handle; 627 __u32 qpn; 628 __u8 qp_type; 629 __u8 reserved[7]; 630 __aligned_u64 driver_data[0]; 631 }; 632 633 /* also used for open response */ 634 struct ib_uverbs_create_qp_resp { 635 __u32 qp_handle; 636 __u32 qpn; 637 __u32 max_send_wr; 638 __u32 max_recv_wr; 639 __u32 max_send_sge; 640 __u32 max_recv_sge; 641 __u32 max_inline_data; 642 __u32 reserved; 643 __u32 driver_data[0]; 644 }; 645 646 struct ib_uverbs_ex_create_qp_resp { 647 struct ib_uverbs_create_qp_resp base; 648 __u32 comp_mask; 649 __u32 response_length; 650 }; 651 652 /* 653 * This struct needs to remain a multiple of 8 bytes to keep the 654 * alignment of the modify QP parameters. 655 */ 656 struct ib_uverbs_qp_dest { 657 __u8 dgid[16]; 658 __u32 flow_label; 659 __u16 dlid; 660 __u16 reserved; 661 __u8 sgid_index; 662 __u8 hop_limit; 663 __u8 traffic_class; 664 __u8 sl; 665 __u8 src_path_bits; 666 __u8 static_rate; 667 __u8 is_global; 668 __u8 port_num; 669 }; 670 671 struct ib_uverbs_query_qp { 672 __aligned_u64 response; 673 __u32 qp_handle; 674 __u32 attr_mask; 675 __aligned_u64 driver_data[0]; 676 }; 677 678 struct ib_uverbs_query_qp_resp { 679 struct ib_uverbs_qp_dest dest; 680 struct ib_uverbs_qp_dest alt_dest; 681 __u32 max_send_wr; 682 __u32 max_recv_wr; 683 __u32 max_send_sge; 684 __u32 max_recv_sge; 685 __u32 max_inline_data; 686 __u32 qkey; 687 __u32 rq_psn; 688 __u32 sq_psn; 689 __u32 dest_qp_num; 690 __u32 qp_access_flags; 691 __u16 pkey_index; 692 __u16 alt_pkey_index; 693 __u8 qp_state; 694 __u8 cur_qp_state; 695 __u8 path_mtu; 696 __u8 path_mig_state; 697 __u8 sq_draining; 698 __u8 max_rd_atomic; 699 __u8 max_dest_rd_atomic; 700 __u8 min_rnr_timer; 701 __u8 port_num; 702 __u8 timeout; 703 __u8 retry_cnt; 704 __u8 rnr_retry; 705 __u8 alt_port_num; 706 __u8 alt_timeout; 707 __u8 sq_sig_all; 708 __u8 reserved[5]; 709 __aligned_u64 driver_data[0]; 710 }; 711 712 struct ib_uverbs_modify_qp { 713 struct ib_uverbs_qp_dest dest; 714 struct ib_uverbs_qp_dest alt_dest; 715 __u32 qp_handle; 716 __u32 attr_mask; 717 __u32 qkey; 718 __u32 rq_psn; 719 __u32 sq_psn; 720 __u32 dest_qp_num; 721 __u32 qp_access_flags; 722 __u16 pkey_index; 723 __u16 alt_pkey_index; 724 __u8 qp_state; 725 __u8 cur_qp_state; 726 __u8 path_mtu; 727 __u8 path_mig_state; 728 __u8 en_sqd_async_notify; 729 __u8 max_rd_atomic; 730 __u8 max_dest_rd_atomic; 731 __u8 min_rnr_timer; 732 __u8 port_num; 733 __u8 timeout; 734 __u8 retry_cnt; 735 __u8 rnr_retry; 736 __u8 alt_port_num; 737 __u8 alt_timeout; 738 __u8 reserved[2]; 739 __aligned_u64 driver_data[0]; 740 }; 741 742 struct ib_uverbs_ex_modify_qp { 743 struct ib_uverbs_modify_qp base; 744 __u32 rate_limit; 745 __u32 reserved; 746 }; 747 748 struct ib_uverbs_ex_modify_qp_resp { 749 __u32 comp_mask; 750 __u32 response_length; 751 }; 752 753 struct ib_uverbs_destroy_qp { 754 __aligned_u64 response; 755 __u32 qp_handle; 756 __u32 reserved; 757 }; 758 759 struct ib_uverbs_destroy_qp_resp { 760 __u32 events_reported; 761 }; 762 763 /* 764 * The ib_uverbs_sge structure isn't used anywhere, since we assume 765 * the ib_sge structure is packed the same way on 32-bit and 64-bit 766 * architectures in both kernel and user space. It's just here to 767 * document the ABI. 768 */ 769 struct ib_uverbs_sge { 770 __aligned_u64 addr; 771 __u32 length; 772 __u32 lkey; 773 }; 774 775 enum ib_uverbs_wr_opcode { 776 IB_UVERBS_WR_RDMA_WRITE = 0, 777 IB_UVERBS_WR_RDMA_WRITE_WITH_IMM = 1, 778 IB_UVERBS_WR_SEND = 2, 779 IB_UVERBS_WR_SEND_WITH_IMM = 3, 780 IB_UVERBS_WR_RDMA_READ = 4, 781 IB_UVERBS_WR_ATOMIC_CMP_AND_SWP = 5, 782 IB_UVERBS_WR_ATOMIC_FETCH_AND_ADD = 6, 783 IB_UVERBS_WR_LOCAL_INV = 7, 784 IB_UVERBS_WR_BIND_MW = 8, 785 IB_UVERBS_WR_SEND_WITH_INV = 9, 786 IB_UVERBS_WR_TSO = 10, 787 IB_UVERBS_WR_RDMA_READ_WITH_INV = 11, 788 IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP = 12, 789 IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD = 13, 790 /* Review enum ib_wr_opcode before modifying this */ 791 }; 792 793 struct ib_uverbs_send_wr { 794 __aligned_u64 wr_id; 795 __u32 num_sge; 796 __u32 opcode; /* see enum ib_uverbs_wr_opcode */ 797 __u32 send_flags; 798 union { 799 __be32 imm_data; 800 __u32 invalidate_rkey; 801 } ex; 802 union { 803 struct { 804 __aligned_u64 remote_addr; 805 __u32 rkey; 806 __u32 reserved; 807 } rdma; 808 struct { 809 __aligned_u64 remote_addr; 810 __aligned_u64 compare_add; 811 __aligned_u64 swap; 812 __u32 rkey; 813 __u32 reserved; 814 } atomic; 815 struct { 816 __u32 ah; 817 __u32 remote_qpn; 818 __u32 remote_qkey; 819 __u32 reserved; 820 } ud; 821 } wr; 822 }; 823 824 struct ib_uverbs_post_send { 825 __aligned_u64 response; 826 __u32 qp_handle; 827 __u32 wr_count; 828 __u32 sge_count; 829 __u32 wqe_size; 830 struct ib_uverbs_send_wr send_wr[0]; 831 }; 832 833 struct ib_uverbs_post_send_resp { 834 __u32 bad_wr; 835 }; 836 837 struct ib_uverbs_recv_wr { 838 __aligned_u64 wr_id; 839 __u32 num_sge; 840 __u32 reserved; 841 }; 842 843 struct ib_uverbs_post_recv { 844 __aligned_u64 response; 845 __u32 qp_handle; 846 __u32 wr_count; 847 __u32 sge_count; 848 __u32 wqe_size; 849 struct ib_uverbs_recv_wr recv_wr[0]; 850 }; 851 852 struct ib_uverbs_post_recv_resp { 853 __u32 bad_wr; 854 }; 855 856 struct ib_uverbs_post_srq_recv { 857 __aligned_u64 response; 858 __u32 srq_handle; 859 __u32 wr_count; 860 __u32 sge_count; 861 __u32 wqe_size; 862 struct ib_uverbs_recv_wr recv[0]; 863 }; 864 865 struct ib_uverbs_post_srq_recv_resp { 866 __u32 bad_wr; 867 }; 868 869 struct ib_uverbs_create_ah { 870 __aligned_u64 response; 871 __aligned_u64 user_handle; 872 __u32 pd_handle; 873 __u32 reserved; 874 struct ib_uverbs_ah_attr attr; 875 __aligned_u64 driver_data[0]; 876 }; 877 878 struct ib_uverbs_create_ah_resp { 879 __u32 ah_handle; 880 __u32 driver_data[0]; 881 }; 882 883 struct ib_uverbs_destroy_ah { 884 __u32 ah_handle; 885 }; 886 887 struct ib_uverbs_attach_mcast { 888 __u8 gid[16]; 889 __u32 qp_handle; 890 __u16 mlid; 891 __u16 reserved; 892 __aligned_u64 driver_data[0]; 893 }; 894 895 struct ib_uverbs_detach_mcast { 896 __u8 gid[16]; 897 __u32 qp_handle; 898 __u16 mlid; 899 __u16 reserved; 900 __aligned_u64 driver_data[0]; 901 }; 902 903 struct ib_uverbs_flow_spec_hdr { 904 __u32 type; 905 __u16 size; 906 __u16 reserved; 907 /* followed by flow_spec */ 908 __aligned_u64 flow_spec_data[0]; 909 }; 910 911 struct ib_uverbs_flow_eth_filter { 912 __u8 dst_mac[6]; 913 __u8 src_mac[6]; 914 __be16 ether_type; 915 __be16 vlan_tag; 916 }; 917 918 struct ib_uverbs_flow_spec_eth { 919 union { 920 struct ib_uverbs_flow_spec_hdr hdr; 921 struct { 922 __u32 type; 923 __u16 size; 924 __u16 reserved; 925 }; 926 }; 927 struct ib_uverbs_flow_eth_filter val; 928 struct ib_uverbs_flow_eth_filter mask; 929 }; 930 931 struct ib_uverbs_flow_ipv4_filter { 932 __be32 src_ip; 933 __be32 dst_ip; 934 __u8 proto; 935 __u8 tos; 936 __u8 ttl; 937 __u8 flags; 938 }; 939 940 struct ib_uverbs_flow_spec_ipv4 { 941 union { 942 struct ib_uverbs_flow_spec_hdr hdr; 943 struct { 944 __u32 type; 945 __u16 size; 946 __u16 reserved; 947 }; 948 }; 949 struct ib_uverbs_flow_ipv4_filter val; 950 struct ib_uverbs_flow_ipv4_filter mask; 951 }; 952 953 struct ib_uverbs_flow_tcp_udp_filter { 954 __be16 dst_port; 955 __be16 src_port; 956 }; 957 958 struct ib_uverbs_flow_spec_tcp_udp { 959 union { 960 struct ib_uverbs_flow_spec_hdr hdr; 961 struct { 962 __u32 type; 963 __u16 size; 964 __u16 reserved; 965 }; 966 }; 967 struct ib_uverbs_flow_tcp_udp_filter val; 968 struct ib_uverbs_flow_tcp_udp_filter mask; 969 }; 970 971 struct ib_uverbs_flow_ipv6_filter { 972 __u8 src_ip[16]; 973 __u8 dst_ip[16]; 974 __be32 flow_label; 975 __u8 next_hdr; 976 __u8 traffic_class; 977 __u8 hop_limit; 978 __u8 reserved; 979 }; 980 981 struct ib_uverbs_flow_spec_ipv6 { 982 union { 983 struct ib_uverbs_flow_spec_hdr hdr; 984 struct { 985 __u32 type; 986 __u16 size; 987 __u16 reserved; 988 }; 989 }; 990 struct ib_uverbs_flow_ipv6_filter val; 991 struct ib_uverbs_flow_ipv6_filter mask; 992 }; 993 994 struct ib_uverbs_flow_spec_action_tag { 995 union { 996 struct ib_uverbs_flow_spec_hdr hdr; 997 struct { 998 __u32 type; 999 __u16 size; 1000 __u16 reserved; 1001 }; 1002 }; 1003 __u32 tag_id; 1004 __u32 reserved1; 1005 }; 1006 1007 struct ib_uverbs_flow_spec_action_drop { 1008 union { 1009 struct ib_uverbs_flow_spec_hdr hdr; 1010 struct { 1011 __u32 type; 1012 __u16 size; 1013 __u16 reserved; 1014 }; 1015 }; 1016 }; 1017 1018 struct ib_uverbs_flow_spec_action_handle { 1019 union { 1020 struct ib_uverbs_flow_spec_hdr hdr; 1021 struct { 1022 __u32 type; 1023 __u16 size; 1024 __u16 reserved; 1025 }; 1026 }; 1027 __u32 handle; 1028 __u32 reserved1; 1029 }; 1030 1031 struct ib_uverbs_flow_spec_action_count { 1032 union { 1033 struct ib_uverbs_flow_spec_hdr hdr; 1034 struct { 1035 __u32 type; 1036 __u16 size; 1037 __u16 reserved; 1038 }; 1039 }; 1040 __u32 handle; 1041 __u32 reserved1; 1042 }; 1043 1044 struct ib_uverbs_flow_tunnel_filter { 1045 __be32 tunnel_id; 1046 }; 1047 1048 struct ib_uverbs_flow_spec_tunnel { 1049 union { 1050 struct ib_uverbs_flow_spec_hdr hdr; 1051 struct { 1052 __u32 type; 1053 __u16 size; 1054 __u16 reserved; 1055 }; 1056 }; 1057 struct ib_uverbs_flow_tunnel_filter val; 1058 struct ib_uverbs_flow_tunnel_filter mask; 1059 }; 1060 1061 struct ib_uverbs_flow_spec_esp_filter { 1062 __u32 spi; 1063 __u32 seq; 1064 }; 1065 1066 struct ib_uverbs_flow_spec_esp { 1067 union { 1068 struct ib_uverbs_flow_spec_hdr hdr; 1069 struct { 1070 __u32 type; 1071 __u16 size; 1072 __u16 reserved; 1073 }; 1074 }; 1075 struct ib_uverbs_flow_spec_esp_filter val; 1076 struct ib_uverbs_flow_spec_esp_filter mask; 1077 }; 1078 1079 struct ib_uverbs_flow_gre_filter { 1080 /* c_ks_res0_ver field is bits 0-15 in offset 0 of a standard GRE header: 1081 * bit 0 - C - checksum bit. 1082 * bit 1 - reserved. set to 0. 1083 * bit 2 - key bit. 1084 * bit 3 - sequence number bit. 1085 * bits 4:12 - reserved. set to 0. 1086 * bits 13:15 - GRE version. 1087 */ 1088 __be16 c_ks_res0_ver; 1089 __be16 protocol; 1090 __be32 key; 1091 }; 1092 1093 struct ib_uverbs_flow_spec_gre { 1094 union { 1095 struct ib_uverbs_flow_spec_hdr hdr; 1096 struct { 1097 __u32 type; 1098 __u16 size; 1099 __u16 reserved; 1100 }; 1101 }; 1102 struct ib_uverbs_flow_gre_filter val; 1103 struct ib_uverbs_flow_gre_filter mask; 1104 }; 1105 1106 struct ib_uverbs_flow_mpls_filter { 1107 /* The field includes the entire MPLS label: 1108 * bits 0:19 - label field. 1109 * bits 20:22 - traffic class field. 1110 * bits 23 - bottom of stack bit. 1111 * bits 24:31 - ttl field. 1112 */ 1113 __be32 label; 1114 }; 1115 1116 struct ib_uverbs_flow_spec_mpls { 1117 union { 1118 struct ib_uverbs_flow_spec_hdr hdr; 1119 struct { 1120 __u32 type; 1121 __u16 size; 1122 __u16 reserved; 1123 }; 1124 }; 1125 struct ib_uverbs_flow_mpls_filter val; 1126 struct ib_uverbs_flow_mpls_filter mask; 1127 }; 1128 1129 struct ib_uverbs_flow_attr { 1130 __u32 type; 1131 __u16 size; 1132 __u16 priority; 1133 __u8 num_of_specs; 1134 __u8 reserved[2]; 1135 __u8 port; 1136 __u32 flags; 1137 /* Following are the optional layers according to user request 1138 * struct ib_flow_spec_xxx 1139 * struct ib_flow_spec_yyy 1140 */ 1141 struct ib_uverbs_flow_spec_hdr flow_specs[0]; 1142 }; 1143 1144 struct ib_uverbs_create_flow { 1145 __u32 comp_mask; 1146 __u32 qp_handle; 1147 struct ib_uverbs_flow_attr flow_attr; 1148 }; 1149 1150 struct ib_uverbs_create_flow_resp { 1151 __u32 comp_mask; 1152 __u32 flow_handle; 1153 }; 1154 1155 struct ib_uverbs_destroy_flow { 1156 __u32 comp_mask; 1157 __u32 flow_handle; 1158 }; 1159 1160 struct ib_uverbs_create_srq { 1161 __aligned_u64 response; 1162 __aligned_u64 user_handle; 1163 __u32 pd_handle; 1164 __u32 max_wr; 1165 __u32 max_sge; 1166 __u32 srq_limit; 1167 __aligned_u64 driver_data[0]; 1168 }; 1169 1170 struct ib_uverbs_create_xsrq { 1171 __aligned_u64 response; 1172 __aligned_u64 user_handle; 1173 __u32 srq_type; 1174 __u32 pd_handle; 1175 __u32 max_wr; 1176 __u32 max_sge; 1177 __u32 srq_limit; 1178 __u32 max_num_tags; 1179 __u32 xrcd_handle; 1180 __u32 cq_handle; 1181 __aligned_u64 driver_data[0]; 1182 }; 1183 1184 struct ib_uverbs_create_srq_resp { 1185 __u32 srq_handle; 1186 __u32 max_wr; 1187 __u32 max_sge; 1188 __u32 srqn; 1189 __u32 driver_data[0]; 1190 }; 1191 1192 struct ib_uverbs_modify_srq { 1193 __u32 srq_handle; 1194 __u32 attr_mask; 1195 __u32 max_wr; 1196 __u32 srq_limit; 1197 __aligned_u64 driver_data[0]; 1198 }; 1199 1200 struct ib_uverbs_query_srq { 1201 __aligned_u64 response; 1202 __u32 srq_handle; 1203 __u32 reserved; 1204 __aligned_u64 driver_data[0]; 1205 }; 1206 1207 struct ib_uverbs_query_srq_resp { 1208 __u32 max_wr; 1209 __u32 max_sge; 1210 __u32 srq_limit; 1211 __u32 reserved; 1212 }; 1213 1214 struct ib_uverbs_destroy_srq { 1215 __aligned_u64 response; 1216 __u32 srq_handle; 1217 __u32 reserved; 1218 }; 1219 1220 struct ib_uverbs_destroy_srq_resp { 1221 __u32 events_reported; 1222 }; 1223 1224 struct ib_uverbs_ex_create_wq { 1225 __u32 comp_mask; 1226 __u32 wq_type; 1227 __aligned_u64 user_handle; 1228 __u32 pd_handle; 1229 __u32 cq_handle; 1230 __u32 max_wr; 1231 __u32 max_sge; 1232 __u32 create_flags; /* Use enum ib_wq_flags */ 1233 __u32 reserved; 1234 }; 1235 1236 struct ib_uverbs_ex_create_wq_resp { 1237 __u32 comp_mask; 1238 __u32 response_length; 1239 __u32 wq_handle; 1240 __u32 max_wr; 1241 __u32 max_sge; 1242 __u32 wqn; 1243 }; 1244 1245 struct ib_uverbs_ex_destroy_wq { 1246 __u32 comp_mask; 1247 __u32 wq_handle; 1248 }; 1249 1250 struct ib_uverbs_ex_destroy_wq_resp { 1251 __u32 comp_mask; 1252 __u32 response_length; 1253 __u32 events_reported; 1254 __u32 reserved; 1255 }; 1256 1257 struct ib_uverbs_ex_modify_wq { 1258 __u32 attr_mask; 1259 __u32 wq_handle; 1260 __u32 wq_state; 1261 __u32 curr_wq_state; 1262 __u32 flags; /* Use enum ib_wq_flags */ 1263 __u32 flags_mask; /* Use enum ib_wq_flags */ 1264 }; 1265 1266 /* Prevent memory allocation rather than max expected size */ 1267 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d 1268 struct ib_uverbs_ex_create_rwq_ind_table { 1269 __u32 comp_mask; 1270 __u32 log_ind_tbl_size; 1271 /* Following are the wq handles according to log_ind_tbl_size 1272 * wq_handle1 1273 * wq_handle2 1274 */ 1275 __u32 wq_handles[0]; 1276 }; 1277 1278 struct ib_uverbs_ex_create_rwq_ind_table_resp { 1279 __u32 comp_mask; 1280 __u32 response_length; 1281 __u32 ind_tbl_handle; 1282 __u32 ind_tbl_num; 1283 }; 1284 1285 struct ib_uverbs_ex_destroy_rwq_ind_table { 1286 __u32 comp_mask; 1287 __u32 ind_tbl_handle; 1288 }; 1289 1290 struct ib_uverbs_cq_moderation { 1291 __u16 cq_count; 1292 __u16 cq_period; 1293 }; 1294 1295 struct ib_uverbs_ex_modify_cq { 1296 __u32 cq_handle; 1297 __u32 attr_mask; 1298 struct ib_uverbs_cq_moderation attr; 1299 __u32 reserved; 1300 }; 1301 1302 #define IB_DEVICE_NAME_MAX 64 1303 1304 #endif /* IB_USER_VERBS_H */ 1305