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 49enum 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 93enum { 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 119struct ib_uverbs_async_event_desc { 120 __aligned_u64 element; 121 __u32 event_type; /* enum ib_event_type */ 122 __u32 reserved; 123}; 124 125struct ib_uverbs_comp_event_desc { 126 __aligned_u64 cq_handle; 127}; 128 129struct 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 146struct ib_uverbs_cmd_hdr { 147 __u32 command; 148 __u16 in_words; 149 __u16 out_words; 150}; 151 152struct 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 159struct ib_uverbs_get_context { 160 __aligned_u64 response; 161 __aligned_u64 driver_data[0]; 162}; 163 164struct ib_uverbs_get_context_resp { 165 __u32 async_fd; 166 __u32 num_comp_vectors; 167 __aligned_u64 driver_data[0]; 168}; 169 170struct ib_uverbs_query_device { 171 __aligned_u64 response; 172 __aligned_u64 driver_data[0]; 173}; 174 175struct 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 219struct ib_uverbs_ex_query_device { 220 __u32 comp_mask; 221 __u32 reserved; 222}; 223 224struct 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 234struct 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 245struct 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 259struct 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 277struct ib_uverbs_query_port { 278 __aligned_u64 response; 279 __u8 port_num; 280 __u8 reserved[7]; 281 __aligned_u64 driver_data[0]; 282}; 283 284struct 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 309struct ib_uverbs_alloc_pd { 310 __aligned_u64 response; 311 __aligned_u64 driver_data[0]; 312}; 313 314struct ib_uverbs_alloc_pd_resp { 315 __u32 pd_handle; 316 __u32 driver_data[0]; 317}; 318 319struct ib_uverbs_dealloc_pd { 320 __u32 pd_handle; 321}; 322 323struct ib_uverbs_open_xrcd { 324 __aligned_u64 response; 325 __u32 fd; 326 __u32 oflags; 327 __aligned_u64 driver_data[0]; 328}; 329 330struct ib_uverbs_open_xrcd_resp { 331 __u32 xrcd_handle; 332 __u32 driver_data[0]; 333}; 334 335struct ib_uverbs_close_xrcd { 336 __u32 xrcd_handle; 337}; 338 339struct 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 349struct ib_uverbs_reg_mr_resp { 350 __u32 mr_handle; 351 __u32 lkey; 352 __u32 rkey; 353 __u32 driver_data[0]; 354}; 355 356struct 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 368struct ib_uverbs_rereg_mr_resp { 369 __u32 lkey; 370 __u32 rkey; 371 __aligned_u64 driver_data[0]; 372}; 373 374struct ib_uverbs_dereg_mr { 375 __u32 mr_handle; 376}; 377 378struct 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 386struct ib_uverbs_alloc_mw_resp { 387 __u32 mw_handle; 388 __u32 rkey; 389 __aligned_u64 driver_data[0]; 390}; 391 392struct ib_uverbs_dealloc_mw { 393 __u32 mw_handle; 394}; 395 396struct ib_uverbs_create_comp_channel { 397 __aligned_u64 response; 398}; 399 400struct ib_uverbs_create_comp_channel_resp { 401 __u32 fd; 402}; 403 404struct 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 414enum 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 419struct 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 429struct ib_uverbs_create_cq_resp { 430 __u32 cq_handle; 431 __u32 cqe; 432 __aligned_u64 driver_data[0]; 433}; 434 435struct ib_uverbs_ex_create_cq_resp { 436 struct ib_uverbs_create_cq_resp base; 437 __u32 comp_mask; 438 __u32 response_length; 439}; 440 441struct ib_uverbs_resize_cq { 442 __aligned_u64 response; 443 __u32 cq_handle; 444 __u32 cqe; 445 __aligned_u64 driver_data[0]; 446}; 447 448struct ib_uverbs_resize_cq_resp { 449 __u32 cqe; 450 __u32 reserved; 451 __aligned_u64 driver_data[0]; 452}; 453 454struct ib_uverbs_poll_cq { 455 __aligned_u64 response; 456 __u32 cq_handle; 457 __u32 ne; 458}; 459 460enum ib_uverbs_wc_opcode { 461 IB_UVERBS_WC_SEND = 0, 462 IB_UVERBS_WC_RDMA_WRITE = 1, 463 IB_UVERBS_WC_RDMA_READ = 2, 464 IB_UVERBS_WC_COMP_SWAP = 3, 465 IB_UVERBS_WC_FETCH_ADD = 4, 466 IB_UVERBS_WC_BIND_MW = 5, 467 IB_UVERBS_WC_LOCAL_INV = 6, 468 IB_UVERBS_WC_TSO = 7, 469}; 470 471struct ib_uverbs_wc { 472 __aligned_u64 wr_id; 473 __u32 status; 474 __u32 opcode; 475 __u32 vendor_err; 476 __u32 byte_len; 477 union { 478 __be32 imm_data; 479 __u32 invalidate_rkey; 480 } ex; 481 __u32 qp_num; 482 __u32 src_qp; 483 __u32 wc_flags; 484 __u16 pkey_index; 485 __u16 slid; 486 __u8 sl; 487 __u8 dlid_path_bits; 488 __u8 port_num; 489 __u8 reserved; 490}; 491 492struct ib_uverbs_poll_cq_resp { 493 __u32 count; 494 __u32 reserved; 495 struct ib_uverbs_wc wc[0]; 496}; 497 498struct ib_uverbs_req_notify_cq { 499 __u32 cq_handle; 500 __u32 solicited_only; 501}; 502 503struct ib_uverbs_destroy_cq { 504 __aligned_u64 response; 505 __u32 cq_handle; 506 __u32 reserved; 507}; 508 509struct ib_uverbs_destroy_cq_resp { 510 __u32 comp_events_reported; 511 __u32 async_events_reported; 512}; 513 514struct ib_uverbs_global_route { 515 __u8 dgid[16]; 516 __u32 flow_label; 517 __u8 sgid_index; 518 __u8 hop_limit; 519 __u8 traffic_class; 520 __u8 reserved; 521}; 522 523struct ib_uverbs_ah_attr { 524 struct ib_uverbs_global_route grh; 525 __u16 dlid; 526 __u8 sl; 527 __u8 src_path_bits; 528 __u8 static_rate; 529 __u8 is_global; 530 __u8 port_num; 531 __u8 reserved; 532}; 533 534struct ib_uverbs_qp_attr { 535 __u32 qp_attr_mask; 536 __u32 qp_state; 537 __u32 cur_qp_state; 538 __u32 path_mtu; 539 __u32 path_mig_state; 540 __u32 qkey; 541 __u32 rq_psn; 542 __u32 sq_psn; 543 __u32 dest_qp_num; 544 __u32 qp_access_flags; 545 546 struct ib_uverbs_ah_attr ah_attr; 547 struct ib_uverbs_ah_attr alt_ah_attr; 548 549 /* ib_qp_cap */ 550 __u32 max_send_wr; 551 __u32 max_recv_wr; 552 __u32 max_send_sge; 553 __u32 max_recv_sge; 554 __u32 max_inline_data; 555 556 __u16 pkey_index; 557 __u16 alt_pkey_index; 558 __u8 en_sqd_async_notify; 559 __u8 sq_draining; 560 __u8 max_rd_atomic; 561 __u8 max_dest_rd_atomic; 562 __u8 min_rnr_timer; 563 __u8 port_num; 564 __u8 timeout; 565 __u8 retry_cnt; 566 __u8 rnr_retry; 567 __u8 alt_port_num; 568 __u8 alt_timeout; 569 __u8 reserved[5]; 570}; 571 572struct ib_uverbs_create_qp { 573 __aligned_u64 response; 574 __aligned_u64 user_handle; 575 __u32 pd_handle; 576 __u32 send_cq_handle; 577 __u32 recv_cq_handle; 578 __u32 srq_handle; 579 __u32 max_send_wr; 580 __u32 max_recv_wr; 581 __u32 max_send_sge; 582 __u32 max_recv_sge; 583 __u32 max_inline_data; 584 __u8 sq_sig_all; 585 __u8 qp_type; 586 __u8 is_srq; 587 __u8 reserved; 588 __aligned_u64 driver_data[0]; 589}; 590 591enum ib_uverbs_create_qp_mask { 592 IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0, 593}; 594 595enum { 596 IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE, 597}; 598 599enum { 600 /* 601 * This value is equal to IB_QP_DEST_QPN. 602 */ 603 IB_USER_LEGACY_LAST_QP_ATTR_MASK = 1ULL << 20, 604}; 605 606enum { 607 /* 608 * This value is equal to IB_QP_RATE_LIMIT. 609 */ 610 IB_USER_LAST_QP_ATTR_MASK = 1ULL << 25, 611}; 612 613struct ib_uverbs_ex_create_qp { 614 __aligned_u64 user_handle; 615 __u32 pd_handle; 616 __u32 send_cq_handle; 617 __u32 recv_cq_handle; 618 __u32 srq_handle; 619 __u32 max_send_wr; 620 __u32 max_recv_wr; 621 __u32 max_send_sge; 622 __u32 max_recv_sge; 623 __u32 max_inline_data; 624 __u8 sq_sig_all; 625 __u8 qp_type; 626 __u8 is_srq; 627 __u8 reserved; 628 __u32 comp_mask; 629 __u32 create_flags; 630 __u32 rwq_ind_tbl_handle; 631 __u32 source_qpn; 632}; 633 634struct ib_uverbs_open_qp { 635 __aligned_u64 response; 636 __aligned_u64 user_handle; 637 __u32 pd_handle; 638 __u32 qpn; 639 __u8 qp_type; 640 __u8 reserved[7]; 641 __aligned_u64 driver_data[0]; 642}; 643 644/* also used for open response */ 645struct ib_uverbs_create_qp_resp { 646 __u32 qp_handle; 647 __u32 qpn; 648 __u32 max_send_wr; 649 __u32 max_recv_wr; 650 __u32 max_send_sge; 651 __u32 max_recv_sge; 652 __u32 max_inline_data; 653 __u32 reserved; 654 __u32 driver_data[0]; 655}; 656 657struct ib_uverbs_ex_create_qp_resp { 658 struct ib_uverbs_create_qp_resp base; 659 __u32 comp_mask; 660 __u32 response_length; 661}; 662 663/* 664 * This struct needs to remain a multiple of 8 bytes to keep the 665 * alignment of the modify QP parameters. 666 */ 667struct ib_uverbs_qp_dest { 668 __u8 dgid[16]; 669 __u32 flow_label; 670 __u16 dlid; 671 __u16 reserved; 672 __u8 sgid_index; 673 __u8 hop_limit; 674 __u8 traffic_class; 675 __u8 sl; 676 __u8 src_path_bits; 677 __u8 static_rate; 678 __u8 is_global; 679 __u8 port_num; 680}; 681 682struct ib_uverbs_query_qp { 683 __aligned_u64 response; 684 __u32 qp_handle; 685 __u32 attr_mask; 686 __aligned_u64 driver_data[0]; 687}; 688 689struct ib_uverbs_query_qp_resp { 690 struct ib_uverbs_qp_dest dest; 691 struct ib_uverbs_qp_dest alt_dest; 692 __u32 max_send_wr; 693 __u32 max_recv_wr; 694 __u32 max_send_sge; 695 __u32 max_recv_sge; 696 __u32 max_inline_data; 697 __u32 qkey; 698 __u32 rq_psn; 699 __u32 sq_psn; 700 __u32 dest_qp_num; 701 __u32 qp_access_flags; 702 __u16 pkey_index; 703 __u16 alt_pkey_index; 704 __u8 qp_state; 705 __u8 cur_qp_state; 706 __u8 path_mtu; 707 __u8 path_mig_state; 708 __u8 sq_draining; 709 __u8 max_rd_atomic; 710 __u8 max_dest_rd_atomic; 711 __u8 min_rnr_timer; 712 __u8 port_num; 713 __u8 timeout; 714 __u8 retry_cnt; 715 __u8 rnr_retry; 716 __u8 alt_port_num; 717 __u8 alt_timeout; 718 __u8 sq_sig_all; 719 __u8 reserved[5]; 720 __aligned_u64 driver_data[0]; 721}; 722 723struct ib_uverbs_modify_qp { 724 struct ib_uverbs_qp_dest dest; 725 struct ib_uverbs_qp_dest alt_dest; 726 __u32 qp_handle; 727 __u32 attr_mask; 728 __u32 qkey; 729 __u32 rq_psn; 730 __u32 sq_psn; 731 __u32 dest_qp_num; 732 __u32 qp_access_flags; 733 __u16 pkey_index; 734 __u16 alt_pkey_index; 735 __u8 qp_state; 736 __u8 cur_qp_state; 737 __u8 path_mtu; 738 __u8 path_mig_state; 739 __u8 en_sqd_async_notify; 740 __u8 max_rd_atomic; 741 __u8 max_dest_rd_atomic; 742 __u8 min_rnr_timer; 743 __u8 port_num; 744 __u8 timeout; 745 __u8 retry_cnt; 746 __u8 rnr_retry; 747 __u8 alt_port_num; 748 __u8 alt_timeout; 749 __u8 reserved[2]; 750 __aligned_u64 driver_data[0]; 751}; 752 753struct ib_uverbs_ex_modify_qp { 754 struct ib_uverbs_modify_qp base; 755 __u32 rate_limit; 756 __u32 reserved; 757}; 758 759struct ib_uverbs_ex_modify_qp_resp { 760 __u32 comp_mask; 761 __u32 response_length; 762}; 763 764struct ib_uverbs_destroy_qp { 765 __aligned_u64 response; 766 __u32 qp_handle; 767 __u32 reserved; 768}; 769 770struct ib_uverbs_destroy_qp_resp { 771 __u32 events_reported; 772}; 773 774/* 775 * The ib_uverbs_sge structure isn't used anywhere, since we assume 776 * the ib_sge structure is packed the same way on 32-bit and 64-bit 777 * architectures in both kernel and user space. It's just here to 778 * document the ABI. 779 */ 780struct ib_uverbs_sge { 781 __aligned_u64 addr; 782 __u32 length; 783 __u32 lkey; 784}; 785 786enum ib_uverbs_wr_opcode { 787 IB_UVERBS_WR_RDMA_WRITE = 0, 788 IB_UVERBS_WR_RDMA_WRITE_WITH_IMM = 1, 789 IB_UVERBS_WR_SEND = 2, 790 IB_UVERBS_WR_SEND_WITH_IMM = 3, 791 IB_UVERBS_WR_RDMA_READ = 4, 792 IB_UVERBS_WR_ATOMIC_CMP_AND_SWP = 5, 793 IB_UVERBS_WR_ATOMIC_FETCH_AND_ADD = 6, 794 IB_UVERBS_WR_LOCAL_INV = 7, 795 IB_UVERBS_WR_BIND_MW = 8, 796 IB_UVERBS_WR_SEND_WITH_INV = 9, 797 IB_UVERBS_WR_TSO = 10, 798 IB_UVERBS_WR_RDMA_READ_WITH_INV = 11, 799 IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP = 12, 800 IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD = 13, 801 /* Review enum ib_wr_opcode before modifying this */ 802}; 803 804struct ib_uverbs_send_wr { 805 __aligned_u64 wr_id; 806 __u32 num_sge; 807 __u32 opcode; /* see enum ib_uverbs_wr_opcode */ 808 __u32 send_flags; 809 union { 810 __be32 imm_data; 811 __u32 invalidate_rkey; 812 } ex; 813 union { 814 struct { 815 __aligned_u64 remote_addr; 816 __u32 rkey; 817 __u32 reserved; 818 } rdma; 819 struct { 820 __aligned_u64 remote_addr; 821 __aligned_u64 compare_add; 822 __aligned_u64 swap; 823 __u32 rkey; 824 __u32 reserved; 825 } atomic; 826 struct { 827 __u32 ah; 828 __u32 remote_qpn; 829 __u32 remote_qkey; 830 __u32 reserved; 831 } ud; 832 } wr; 833}; 834 835struct ib_uverbs_post_send { 836 __aligned_u64 response; 837 __u32 qp_handle; 838 __u32 wr_count; 839 __u32 sge_count; 840 __u32 wqe_size; 841 struct ib_uverbs_send_wr send_wr[0]; 842}; 843 844struct ib_uverbs_post_send_resp { 845 __u32 bad_wr; 846}; 847 848struct ib_uverbs_recv_wr { 849 __aligned_u64 wr_id; 850 __u32 num_sge; 851 __u32 reserved; 852}; 853 854struct ib_uverbs_post_recv { 855 __aligned_u64 response; 856 __u32 qp_handle; 857 __u32 wr_count; 858 __u32 sge_count; 859 __u32 wqe_size; 860 struct ib_uverbs_recv_wr recv_wr[0]; 861}; 862 863struct ib_uverbs_post_recv_resp { 864 __u32 bad_wr; 865}; 866 867struct ib_uverbs_post_srq_recv { 868 __aligned_u64 response; 869 __u32 srq_handle; 870 __u32 wr_count; 871 __u32 sge_count; 872 __u32 wqe_size; 873 struct ib_uverbs_recv_wr recv[0]; 874}; 875 876struct ib_uverbs_post_srq_recv_resp { 877 __u32 bad_wr; 878}; 879 880struct ib_uverbs_create_ah { 881 __aligned_u64 response; 882 __aligned_u64 user_handle; 883 __u32 pd_handle; 884 __u32 reserved; 885 struct ib_uverbs_ah_attr attr; 886 __aligned_u64 driver_data[0]; 887}; 888 889struct ib_uverbs_create_ah_resp { 890 __u32 ah_handle; 891 __u32 driver_data[0]; 892}; 893 894struct ib_uverbs_destroy_ah { 895 __u32 ah_handle; 896}; 897 898struct ib_uverbs_attach_mcast { 899 __u8 gid[16]; 900 __u32 qp_handle; 901 __u16 mlid; 902 __u16 reserved; 903 __aligned_u64 driver_data[0]; 904}; 905 906struct ib_uverbs_detach_mcast { 907 __u8 gid[16]; 908 __u32 qp_handle; 909 __u16 mlid; 910 __u16 reserved; 911 __aligned_u64 driver_data[0]; 912}; 913 914struct ib_uverbs_flow_spec_hdr { 915 __u32 type; 916 __u16 size; 917 __u16 reserved; 918 /* followed by flow_spec */ 919 __aligned_u64 flow_spec_data[0]; 920}; 921 922struct ib_uverbs_flow_eth_filter { 923 __u8 dst_mac[6]; 924 __u8 src_mac[6]; 925 __be16 ether_type; 926 __be16 vlan_tag; 927}; 928 929struct ib_uverbs_flow_spec_eth { 930 union { 931 struct ib_uverbs_flow_spec_hdr hdr; 932 struct { 933 __u32 type; 934 __u16 size; 935 __u16 reserved; 936 }; 937 }; 938 struct ib_uverbs_flow_eth_filter val; 939 struct ib_uverbs_flow_eth_filter mask; 940}; 941 942struct ib_uverbs_flow_ipv4_filter { 943 __be32 src_ip; 944 __be32 dst_ip; 945 __u8 proto; 946 __u8 tos; 947 __u8 ttl; 948 __u8 flags; 949}; 950 951struct ib_uverbs_flow_spec_ipv4 { 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_ipv4_filter val; 961 struct ib_uverbs_flow_ipv4_filter mask; 962}; 963 964struct ib_uverbs_flow_tcp_udp_filter { 965 __be16 dst_port; 966 __be16 src_port; 967}; 968 969struct ib_uverbs_flow_spec_tcp_udp { 970 union { 971 struct ib_uverbs_flow_spec_hdr hdr; 972 struct { 973 __u32 type; 974 __u16 size; 975 __u16 reserved; 976 }; 977 }; 978 struct ib_uverbs_flow_tcp_udp_filter val; 979 struct ib_uverbs_flow_tcp_udp_filter mask; 980}; 981 982struct ib_uverbs_flow_ipv6_filter { 983 __u8 src_ip[16]; 984 __u8 dst_ip[16]; 985 __be32 flow_label; 986 __u8 next_hdr; 987 __u8 traffic_class; 988 __u8 hop_limit; 989 __u8 reserved; 990}; 991 992struct ib_uverbs_flow_spec_ipv6 { 993 union { 994 struct ib_uverbs_flow_spec_hdr hdr; 995 struct { 996 __u32 type; 997 __u16 size; 998 __u16 reserved; 999 }; 1000 }; 1001 struct ib_uverbs_flow_ipv6_filter val; 1002 struct ib_uverbs_flow_ipv6_filter mask; 1003}; 1004 1005struct ib_uverbs_flow_spec_action_tag { 1006 union { 1007 struct ib_uverbs_flow_spec_hdr hdr; 1008 struct { 1009 __u32 type; 1010 __u16 size; 1011 __u16 reserved; 1012 }; 1013 }; 1014 __u32 tag_id; 1015 __u32 reserved1; 1016}; 1017 1018struct ib_uverbs_flow_spec_action_drop { 1019 union { 1020 struct ib_uverbs_flow_spec_hdr hdr; 1021 struct { 1022 __u32 type; 1023 __u16 size; 1024 __u16 reserved; 1025 }; 1026 }; 1027}; 1028 1029struct ib_uverbs_flow_spec_action_handle { 1030 union { 1031 struct ib_uverbs_flow_spec_hdr hdr; 1032 struct { 1033 __u32 type; 1034 __u16 size; 1035 __u16 reserved; 1036 }; 1037 }; 1038 __u32 handle; 1039 __u32 reserved1; 1040}; 1041 1042struct ib_uverbs_flow_spec_action_count { 1043 union { 1044 struct ib_uverbs_flow_spec_hdr hdr; 1045 struct { 1046 __u32 type; 1047 __u16 size; 1048 __u16 reserved; 1049 }; 1050 }; 1051 __u32 handle; 1052 __u32 reserved1; 1053}; 1054 1055struct ib_uverbs_flow_tunnel_filter { 1056 __be32 tunnel_id; 1057}; 1058 1059struct ib_uverbs_flow_spec_tunnel { 1060 union { 1061 struct ib_uverbs_flow_spec_hdr hdr; 1062 struct { 1063 __u32 type; 1064 __u16 size; 1065 __u16 reserved; 1066 }; 1067 }; 1068 struct ib_uverbs_flow_tunnel_filter val; 1069 struct ib_uverbs_flow_tunnel_filter mask; 1070}; 1071 1072struct ib_uverbs_flow_spec_esp_filter { 1073 __u32 spi; 1074 __u32 seq; 1075}; 1076 1077struct ib_uverbs_flow_spec_esp { 1078 union { 1079 struct ib_uverbs_flow_spec_hdr hdr; 1080 struct { 1081 __u32 type; 1082 __u16 size; 1083 __u16 reserved; 1084 }; 1085 }; 1086 struct ib_uverbs_flow_spec_esp_filter val; 1087 struct ib_uverbs_flow_spec_esp_filter mask; 1088}; 1089 1090struct ib_uverbs_flow_gre_filter { 1091 /* c_ks_res0_ver field is bits 0-15 in offset 0 of a standard GRE header: 1092 * bit 0 - C - checksum bit. 1093 * bit 1 - reserved. set to 0. 1094 * bit 2 - key bit. 1095 * bit 3 - sequence number bit. 1096 * bits 4:12 - reserved. set to 0. 1097 * bits 13:15 - GRE version. 1098 */ 1099 __be16 c_ks_res0_ver; 1100 __be16 protocol; 1101 __be32 key; 1102}; 1103 1104struct ib_uverbs_flow_spec_gre { 1105 union { 1106 struct ib_uverbs_flow_spec_hdr hdr; 1107 struct { 1108 __u32 type; 1109 __u16 size; 1110 __u16 reserved; 1111 }; 1112 }; 1113 struct ib_uverbs_flow_gre_filter val; 1114 struct ib_uverbs_flow_gre_filter mask; 1115}; 1116 1117struct ib_uverbs_flow_mpls_filter { 1118 /* The field includes the entire MPLS label: 1119 * bits 0:19 - label field. 1120 * bits 20:22 - traffic class field. 1121 * bits 23 - bottom of stack bit. 1122 * bits 24:31 - ttl field. 1123 */ 1124 __be32 label; 1125}; 1126 1127struct ib_uverbs_flow_spec_mpls { 1128 union { 1129 struct ib_uverbs_flow_spec_hdr hdr; 1130 struct { 1131 __u32 type; 1132 __u16 size; 1133 __u16 reserved; 1134 }; 1135 }; 1136 struct ib_uverbs_flow_mpls_filter val; 1137 struct ib_uverbs_flow_mpls_filter mask; 1138}; 1139 1140struct ib_uverbs_flow_attr { 1141 __u32 type; 1142 __u16 size; 1143 __u16 priority; 1144 __u8 num_of_specs; 1145 __u8 reserved[2]; 1146 __u8 port; 1147 __u32 flags; 1148 /* Following are the optional layers according to user request 1149 * struct ib_flow_spec_xxx 1150 * struct ib_flow_spec_yyy 1151 */ 1152 struct ib_uverbs_flow_spec_hdr flow_specs[0]; 1153}; 1154 1155struct ib_uverbs_create_flow { 1156 __u32 comp_mask; 1157 __u32 qp_handle; 1158 struct ib_uverbs_flow_attr flow_attr; 1159}; 1160 1161struct ib_uverbs_create_flow_resp { 1162 __u32 comp_mask; 1163 __u32 flow_handle; 1164}; 1165 1166struct ib_uverbs_destroy_flow { 1167 __u32 comp_mask; 1168 __u32 flow_handle; 1169}; 1170 1171struct ib_uverbs_create_srq { 1172 __aligned_u64 response; 1173 __aligned_u64 user_handle; 1174 __u32 pd_handle; 1175 __u32 max_wr; 1176 __u32 max_sge; 1177 __u32 srq_limit; 1178 __aligned_u64 driver_data[0]; 1179}; 1180 1181struct ib_uverbs_create_xsrq { 1182 __aligned_u64 response; 1183 __aligned_u64 user_handle; 1184 __u32 srq_type; 1185 __u32 pd_handle; 1186 __u32 max_wr; 1187 __u32 max_sge; 1188 __u32 srq_limit; 1189 __u32 max_num_tags; 1190 __u32 xrcd_handle; 1191 __u32 cq_handle; 1192 __aligned_u64 driver_data[0]; 1193}; 1194 1195struct ib_uverbs_create_srq_resp { 1196 __u32 srq_handle; 1197 __u32 max_wr; 1198 __u32 max_sge; 1199 __u32 srqn; 1200 __u32 driver_data[0]; 1201}; 1202 1203struct ib_uverbs_modify_srq { 1204 __u32 srq_handle; 1205 __u32 attr_mask; 1206 __u32 max_wr; 1207 __u32 srq_limit; 1208 __aligned_u64 driver_data[0]; 1209}; 1210 1211struct ib_uverbs_query_srq { 1212 __aligned_u64 response; 1213 __u32 srq_handle; 1214 __u32 reserved; 1215 __aligned_u64 driver_data[0]; 1216}; 1217 1218struct ib_uverbs_query_srq_resp { 1219 __u32 max_wr; 1220 __u32 max_sge; 1221 __u32 srq_limit; 1222 __u32 reserved; 1223}; 1224 1225struct ib_uverbs_destroy_srq { 1226 __aligned_u64 response; 1227 __u32 srq_handle; 1228 __u32 reserved; 1229}; 1230 1231struct ib_uverbs_destroy_srq_resp { 1232 __u32 events_reported; 1233}; 1234 1235struct ib_uverbs_ex_create_wq { 1236 __u32 comp_mask; 1237 __u32 wq_type; 1238 __aligned_u64 user_handle; 1239 __u32 pd_handle; 1240 __u32 cq_handle; 1241 __u32 max_wr; 1242 __u32 max_sge; 1243 __u32 create_flags; /* Use enum ib_wq_flags */ 1244 __u32 reserved; 1245}; 1246 1247struct ib_uverbs_ex_create_wq_resp { 1248 __u32 comp_mask; 1249 __u32 response_length; 1250 __u32 wq_handle; 1251 __u32 max_wr; 1252 __u32 max_sge; 1253 __u32 wqn; 1254}; 1255 1256struct ib_uverbs_ex_destroy_wq { 1257 __u32 comp_mask; 1258 __u32 wq_handle; 1259}; 1260 1261struct ib_uverbs_ex_destroy_wq_resp { 1262 __u32 comp_mask; 1263 __u32 response_length; 1264 __u32 events_reported; 1265 __u32 reserved; 1266}; 1267 1268struct ib_uverbs_ex_modify_wq { 1269 __u32 attr_mask; 1270 __u32 wq_handle; 1271 __u32 wq_state; 1272 __u32 curr_wq_state; 1273 __u32 flags; /* Use enum ib_wq_flags */ 1274 __u32 flags_mask; /* Use enum ib_wq_flags */ 1275}; 1276 1277/* Prevent memory allocation rather than max expected size */ 1278#define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d 1279struct ib_uverbs_ex_create_rwq_ind_table { 1280 __u32 comp_mask; 1281 __u32 log_ind_tbl_size; 1282 /* Following are the wq handles according to log_ind_tbl_size 1283 * wq_handle1 1284 * wq_handle2 1285 */ 1286 __u32 wq_handles[0]; 1287}; 1288 1289struct ib_uverbs_ex_create_rwq_ind_table_resp { 1290 __u32 comp_mask; 1291 __u32 response_length; 1292 __u32 ind_tbl_handle; 1293 __u32 ind_tbl_num; 1294}; 1295 1296struct ib_uverbs_ex_destroy_rwq_ind_table { 1297 __u32 comp_mask; 1298 __u32 ind_tbl_handle; 1299}; 1300 1301struct ib_uverbs_cq_moderation { 1302 __u16 cq_count; 1303 __u16 cq_period; 1304}; 1305 1306struct ib_uverbs_ex_modify_cq { 1307 __u32 cq_handle; 1308 __u32 attr_mask; 1309 struct ib_uverbs_cq_moderation attr; 1310 __u32 reserved; 1311}; 1312 1313#define IB_DEVICE_NAME_MAX 64 1314 1315#endif /* IB_USER_VERBS_H */ 1316