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 enum 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 }; 470 471 struct 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 }; 491 492 struct ib_uverbs_poll_cq_resp { 493 __u32 count; 494 __u32 reserved; 495 struct ib_uverbs_wc wc[0]; 496 }; 497 498 struct ib_uverbs_req_notify_cq { 499 __u32 cq_handle; 500 __u32 solicited_only; 501 }; 502 503 struct ib_uverbs_destroy_cq { 504 __aligned_u64 response; 505 __u32 cq_handle; 506 __u32 reserved; 507 }; 508 509 struct ib_uverbs_destroy_cq_resp { 510 __u32 comp_events_reported; 511 __u32 async_events_reported; 512 }; 513 514 struct 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 }; 522 523 struct 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 }; 533 534 struct 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 }; 571 572 struct 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 }; 590 591 enum ib_uverbs_create_qp_mask { 592 IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0, 593 }; 594 595 enum { 596 IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE, 597 }; 598 599 struct ib_uverbs_ex_create_qp { 600 __aligned_u64 user_handle; 601 __u32 pd_handle; 602 __u32 send_cq_handle; 603 __u32 recv_cq_handle; 604 __u32 srq_handle; 605 __u32 max_send_wr; 606 __u32 max_recv_wr; 607 __u32 max_send_sge; 608 __u32 max_recv_sge; 609 __u32 max_inline_data; 610 __u8 sq_sig_all; 611 __u8 qp_type; 612 __u8 is_srq; 613 __u8 reserved; 614 __u32 comp_mask; 615 __u32 create_flags; 616 __u32 rwq_ind_tbl_handle; 617 __u32 source_qpn; 618 }; 619 620 struct ib_uverbs_open_qp { 621 __aligned_u64 response; 622 __aligned_u64 user_handle; 623 __u32 pd_handle; 624 __u32 qpn; 625 __u8 qp_type; 626 __u8 reserved[7]; 627 __aligned_u64 driver_data[0]; 628 }; 629 630 /* also used for open response */ 631 struct ib_uverbs_create_qp_resp { 632 __u32 qp_handle; 633 __u32 qpn; 634 __u32 max_send_wr; 635 __u32 max_recv_wr; 636 __u32 max_send_sge; 637 __u32 max_recv_sge; 638 __u32 max_inline_data; 639 __u32 reserved; 640 __u32 driver_data[0]; 641 }; 642 643 struct ib_uverbs_ex_create_qp_resp { 644 struct ib_uverbs_create_qp_resp base; 645 __u32 comp_mask; 646 __u32 response_length; 647 }; 648 649 /* 650 * This struct needs to remain a multiple of 8 bytes to keep the 651 * alignment of the modify QP parameters. 652 */ 653 struct ib_uverbs_qp_dest { 654 __u8 dgid[16]; 655 __u32 flow_label; 656 __u16 dlid; 657 __u16 reserved; 658 __u8 sgid_index; 659 __u8 hop_limit; 660 __u8 traffic_class; 661 __u8 sl; 662 __u8 src_path_bits; 663 __u8 static_rate; 664 __u8 is_global; 665 __u8 port_num; 666 }; 667 668 struct ib_uverbs_query_qp { 669 __aligned_u64 response; 670 __u32 qp_handle; 671 __u32 attr_mask; 672 __aligned_u64 driver_data[0]; 673 }; 674 675 struct ib_uverbs_query_qp_resp { 676 struct ib_uverbs_qp_dest dest; 677 struct ib_uverbs_qp_dest alt_dest; 678 __u32 max_send_wr; 679 __u32 max_recv_wr; 680 __u32 max_send_sge; 681 __u32 max_recv_sge; 682 __u32 max_inline_data; 683 __u32 qkey; 684 __u32 rq_psn; 685 __u32 sq_psn; 686 __u32 dest_qp_num; 687 __u32 qp_access_flags; 688 __u16 pkey_index; 689 __u16 alt_pkey_index; 690 __u8 qp_state; 691 __u8 cur_qp_state; 692 __u8 path_mtu; 693 __u8 path_mig_state; 694 __u8 sq_draining; 695 __u8 max_rd_atomic; 696 __u8 max_dest_rd_atomic; 697 __u8 min_rnr_timer; 698 __u8 port_num; 699 __u8 timeout; 700 __u8 retry_cnt; 701 __u8 rnr_retry; 702 __u8 alt_port_num; 703 __u8 alt_timeout; 704 __u8 sq_sig_all; 705 __u8 reserved[5]; 706 __aligned_u64 driver_data[0]; 707 }; 708 709 struct ib_uverbs_modify_qp { 710 struct ib_uverbs_qp_dest dest; 711 struct ib_uverbs_qp_dest alt_dest; 712 __u32 qp_handle; 713 __u32 attr_mask; 714 __u32 qkey; 715 __u32 rq_psn; 716 __u32 sq_psn; 717 __u32 dest_qp_num; 718 __u32 qp_access_flags; 719 __u16 pkey_index; 720 __u16 alt_pkey_index; 721 __u8 qp_state; 722 __u8 cur_qp_state; 723 __u8 path_mtu; 724 __u8 path_mig_state; 725 __u8 en_sqd_async_notify; 726 __u8 max_rd_atomic; 727 __u8 max_dest_rd_atomic; 728 __u8 min_rnr_timer; 729 __u8 port_num; 730 __u8 timeout; 731 __u8 retry_cnt; 732 __u8 rnr_retry; 733 __u8 alt_port_num; 734 __u8 alt_timeout; 735 __u8 reserved[2]; 736 __aligned_u64 driver_data[0]; 737 }; 738 739 struct ib_uverbs_ex_modify_qp { 740 struct ib_uverbs_modify_qp base; 741 __u32 rate_limit; 742 __u32 reserved; 743 }; 744 745 struct ib_uverbs_ex_modify_qp_resp { 746 __u32 comp_mask; 747 __u32 response_length; 748 }; 749 750 struct ib_uverbs_destroy_qp { 751 __aligned_u64 response; 752 __u32 qp_handle; 753 __u32 reserved; 754 }; 755 756 struct ib_uverbs_destroy_qp_resp { 757 __u32 events_reported; 758 }; 759 760 /* 761 * The ib_uverbs_sge structure isn't used anywhere, since we assume 762 * the ib_sge structure is packed the same way on 32-bit and 64-bit 763 * architectures in both kernel and user space. It's just here to 764 * document the ABI. 765 */ 766 struct ib_uverbs_sge { 767 __aligned_u64 addr; 768 __u32 length; 769 __u32 lkey; 770 }; 771 772 enum ib_uverbs_wr_opcode { 773 IB_UVERBS_WR_RDMA_WRITE = 0, 774 IB_UVERBS_WR_RDMA_WRITE_WITH_IMM = 1, 775 IB_UVERBS_WR_SEND = 2, 776 IB_UVERBS_WR_SEND_WITH_IMM = 3, 777 IB_UVERBS_WR_RDMA_READ = 4, 778 IB_UVERBS_WR_ATOMIC_CMP_AND_SWP = 5, 779 IB_UVERBS_WR_ATOMIC_FETCH_AND_ADD = 6, 780 IB_UVERBS_WR_LOCAL_INV = 7, 781 IB_UVERBS_WR_BIND_MW = 8, 782 IB_UVERBS_WR_SEND_WITH_INV = 9, 783 IB_UVERBS_WR_TSO = 10, 784 IB_UVERBS_WR_RDMA_READ_WITH_INV = 11, 785 IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP = 12, 786 IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD = 13, 787 /* Review enum ib_wr_opcode before modifying this */ 788 }; 789 790 struct ib_uverbs_send_wr { 791 __aligned_u64 wr_id; 792 __u32 num_sge; 793 __u32 opcode; /* see enum ib_uverbs_wr_opcode */ 794 __u32 send_flags; 795 union { 796 __be32 imm_data; 797 __u32 invalidate_rkey; 798 } ex; 799 union { 800 struct { 801 __aligned_u64 remote_addr; 802 __u32 rkey; 803 __u32 reserved; 804 } rdma; 805 struct { 806 __aligned_u64 remote_addr; 807 __aligned_u64 compare_add; 808 __aligned_u64 swap; 809 __u32 rkey; 810 __u32 reserved; 811 } atomic; 812 struct { 813 __u32 ah; 814 __u32 remote_qpn; 815 __u32 remote_qkey; 816 __u32 reserved; 817 } ud; 818 } wr; 819 }; 820 821 struct ib_uverbs_post_send { 822 __aligned_u64 response; 823 __u32 qp_handle; 824 __u32 wr_count; 825 __u32 sge_count; 826 __u32 wqe_size; 827 struct ib_uverbs_send_wr send_wr[0]; 828 }; 829 830 struct ib_uverbs_post_send_resp { 831 __u32 bad_wr; 832 }; 833 834 struct ib_uverbs_recv_wr { 835 __aligned_u64 wr_id; 836 __u32 num_sge; 837 __u32 reserved; 838 }; 839 840 struct ib_uverbs_post_recv { 841 __aligned_u64 response; 842 __u32 qp_handle; 843 __u32 wr_count; 844 __u32 sge_count; 845 __u32 wqe_size; 846 struct ib_uverbs_recv_wr recv_wr[0]; 847 }; 848 849 struct ib_uverbs_post_recv_resp { 850 __u32 bad_wr; 851 }; 852 853 struct ib_uverbs_post_srq_recv { 854 __aligned_u64 response; 855 __u32 srq_handle; 856 __u32 wr_count; 857 __u32 sge_count; 858 __u32 wqe_size; 859 struct ib_uverbs_recv_wr recv[0]; 860 }; 861 862 struct ib_uverbs_post_srq_recv_resp { 863 __u32 bad_wr; 864 }; 865 866 struct ib_uverbs_create_ah { 867 __aligned_u64 response; 868 __aligned_u64 user_handle; 869 __u32 pd_handle; 870 __u32 reserved; 871 struct ib_uverbs_ah_attr attr; 872 __aligned_u64 driver_data[0]; 873 }; 874 875 struct ib_uverbs_create_ah_resp { 876 __u32 ah_handle; 877 __u32 driver_data[0]; 878 }; 879 880 struct ib_uverbs_destroy_ah { 881 __u32 ah_handle; 882 }; 883 884 struct ib_uverbs_attach_mcast { 885 __u8 gid[16]; 886 __u32 qp_handle; 887 __u16 mlid; 888 __u16 reserved; 889 __aligned_u64 driver_data[0]; 890 }; 891 892 struct ib_uverbs_detach_mcast { 893 __u8 gid[16]; 894 __u32 qp_handle; 895 __u16 mlid; 896 __u16 reserved; 897 __aligned_u64 driver_data[0]; 898 }; 899 900 struct ib_uverbs_flow_spec_hdr { 901 __u32 type; 902 __u16 size; 903 __u16 reserved; 904 /* followed by flow_spec */ 905 __aligned_u64 flow_spec_data[0]; 906 }; 907 908 struct ib_uverbs_flow_eth_filter { 909 __u8 dst_mac[6]; 910 __u8 src_mac[6]; 911 __be16 ether_type; 912 __be16 vlan_tag; 913 }; 914 915 struct ib_uverbs_flow_spec_eth { 916 union { 917 struct ib_uverbs_flow_spec_hdr hdr; 918 struct { 919 __u32 type; 920 __u16 size; 921 __u16 reserved; 922 }; 923 }; 924 struct ib_uverbs_flow_eth_filter val; 925 struct ib_uverbs_flow_eth_filter mask; 926 }; 927 928 struct ib_uverbs_flow_ipv4_filter { 929 __be32 src_ip; 930 __be32 dst_ip; 931 __u8 proto; 932 __u8 tos; 933 __u8 ttl; 934 __u8 flags; 935 }; 936 937 struct ib_uverbs_flow_spec_ipv4 { 938 union { 939 struct ib_uverbs_flow_spec_hdr hdr; 940 struct { 941 __u32 type; 942 __u16 size; 943 __u16 reserved; 944 }; 945 }; 946 struct ib_uverbs_flow_ipv4_filter val; 947 struct ib_uverbs_flow_ipv4_filter mask; 948 }; 949 950 struct ib_uverbs_flow_tcp_udp_filter { 951 __be16 dst_port; 952 __be16 src_port; 953 }; 954 955 struct ib_uverbs_flow_spec_tcp_udp { 956 union { 957 struct ib_uverbs_flow_spec_hdr hdr; 958 struct { 959 __u32 type; 960 __u16 size; 961 __u16 reserved; 962 }; 963 }; 964 struct ib_uverbs_flow_tcp_udp_filter val; 965 struct ib_uverbs_flow_tcp_udp_filter mask; 966 }; 967 968 struct ib_uverbs_flow_ipv6_filter { 969 __u8 src_ip[16]; 970 __u8 dst_ip[16]; 971 __be32 flow_label; 972 __u8 next_hdr; 973 __u8 traffic_class; 974 __u8 hop_limit; 975 __u8 reserved; 976 }; 977 978 struct ib_uverbs_flow_spec_ipv6 { 979 union { 980 struct ib_uverbs_flow_spec_hdr hdr; 981 struct { 982 __u32 type; 983 __u16 size; 984 __u16 reserved; 985 }; 986 }; 987 struct ib_uverbs_flow_ipv6_filter val; 988 struct ib_uverbs_flow_ipv6_filter mask; 989 }; 990 991 struct ib_uverbs_flow_spec_action_tag { 992 union { 993 struct ib_uverbs_flow_spec_hdr hdr; 994 struct { 995 __u32 type; 996 __u16 size; 997 __u16 reserved; 998 }; 999 }; 1000 __u32 tag_id; 1001 __u32 reserved1; 1002 }; 1003 1004 struct ib_uverbs_flow_spec_action_drop { 1005 union { 1006 struct ib_uverbs_flow_spec_hdr hdr; 1007 struct { 1008 __u32 type; 1009 __u16 size; 1010 __u16 reserved; 1011 }; 1012 }; 1013 }; 1014 1015 struct ib_uverbs_flow_spec_action_handle { 1016 union { 1017 struct ib_uverbs_flow_spec_hdr hdr; 1018 struct { 1019 __u32 type; 1020 __u16 size; 1021 __u16 reserved; 1022 }; 1023 }; 1024 __u32 handle; 1025 __u32 reserved1; 1026 }; 1027 1028 struct ib_uverbs_flow_spec_action_count { 1029 union { 1030 struct ib_uverbs_flow_spec_hdr hdr; 1031 struct { 1032 __u32 type; 1033 __u16 size; 1034 __u16 reserved; 1035 }; 1036 }; 1037 __u32 handle; 1038 __u32 reserved1; 1039 }; 1040 1041 struct ib_uverbs_flow_tunnel_filter { 1042 __be32 tunnel_id; 1043 }; 1044 1045 struct ib_uverbs_flow_spec_tunnel { 1046 union { 1047 struct ib_uverbs_flow_spec_hdr hdr; 1048 struct { 1049 __u32 type; 1050 __u16 size; 1051 __u16 reserved; 1052 }; 1053 }; 1054 struct ib_uverbs_flow_tunnel_filter val; 1055 struct ib_uverbs_flow_tunnel_filter mask; 1056 }; 1057 1058 struct ib_uverbs_flow_spec_esp_filter { 1059 __u32 spi; 1060 __u32 seq; 1061 }; 1062 1063 struct ib_uverbs_flow_spec_esp { 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_spec_esp_filter val; 1073 struct ib_uverbs_flow_spec_esp_filter mask; 1074 }; 1075 1076 struct ib_uverbs_flow_gre_filter { 1077 /* c_ks_res0_ver field is bits 0-15 in offset 0 of a standard GRE header: 1078 * bit 0 - C - checksum bit. 1079 * bit 1 - reserved. set to 0. 1080 * bit 2 - key bit. 1081 * bit 3 - sequence number bit. 1082 * bits 4:12 - reserved. set to 0. 1083 * bits 13:15 - GRE version. 1084 */ 1085 __be16 c_ks_res0_ver; 1086 __be16 protocol; 1087 __be32 key; 1088 }; 1089 1090 struct ib_uverbs_flow_spec_gre { 1091 union { 1092 struct ib_uverbs_flow_spec_hdr hdr; 1093 struct { 1094 __u32 type; 1095 __u16 size; 1096 __u16 reserved; 1097 }; 1098 }; 1099 struct ib_uverbs_flow_gre_filter val; 1100 struct ib_uverbs_flow_gre_filter mask; 1101 }; 1102 1103 struct ib_uverbs_flow_mpls_filter { 1104 /* The field includes the entire MPLS label: 1105 * bits 0:19 - label field. 1106 * bits 20:22 - traffic class field. 1107 * bits 23 - bottom of stack bit. 1108 * bits 24:31 - ttl field. 1109 */ 1110 __be32 label; 1111 }; 1112 1113 struct ib_uverbs_flow_spec_mpls { 1114 union { 1115 struct ib_uverbs_flow_spec_hdr hdr; 1116 struct { 1117 __u32 type; 1118 __u16 size; 1119 __u16 reserved; 1120 }; 1121 }; 1122 struct ib_uverbs_flow_mpls_filter val; 1123 struct ib_uverbs_flow_mpls_filter mask; 1124 }; 1125 1126 struct ib_uverbs_flow_attr { 1127 __u32 type; 1128 __u16 size; 1129 __u16 priority; 1130 __u8 num_of_specs; 1131 __u8 reserved[2]; 1132 __u8 port; 1133 __u32 flags; 1134 /* Following are the optional layers according to user request 1135 * struct ib_flow_spec_xxx 1136 * struct ib_flow_spec_yyy 1137 */ 1138 struct ib_uverbs_flow_spec_hdr flow_specs[0]; 1139 }; 1140 1141 struct ib_uverbs_create_flow { 1142 __u32 comp_mask; 1143 __u32 qp_handle; 1144 struct ib_uverbs_flow_attr flow_attr; 1145 }; 1146 1147 struct ib_uverbs_create_flow_resp { 1148 __u32 comp_mask; 1149 __u32 flow_handle; 1150 }; 1151 1152 struct ib_uverbs_destroy_flow { 1153 __u32 comp_mask; 1154 __u32 flow_handle; 1155 }; 1156 1157 struct ib_uverbs_create_srq { 1158 __aligned_u64 response; 1159 __aligned_u64 user_handle; 1160 __u32 pd_handle; 1161 __u32 max_wr; 1162 __u32 max_sge; 1163 __u32 srq_limit; 1164 __aligned_u64 driver_data[0]; 1165 }; 1166 1167 struct ib_uverbs_create_xsrq { 1168 __aligned_u64 response; 1169 __aligned_u64 user_handle; 1170 __u32 srq_type; 1171 __u32 pd_handle; 1172 __u32 max_wr; 1173 __u32 max_sge; 1174 __u32 srq_limit; 1175 __u32 max_num_tags; 1176 __u32 xrcd_handle; 1177 __u32 cq_handle; 1178 __aligned_u64 driver_data[0]; 1179 }; 1180 1181 struct ib_uverbs_create_srq_resp { 1182 __u32 srq_handle; 1183 __u32 max_wr; 1184 __u32 max_sge; 1185 __u32 srqn; 1186 __u32 driver_data[0]; 1187 }; 1188 1189 struct ib_uverbs_modify_srq { 1190 __u32 srq_handle; 1191 __u32 attr_mask; 1192 __u32 max_wr; 1193 __u32 srq_limit; 1194 __aligned_u64 driver_data[0]; 1195 }; 1196 1197 struct ib_uverbs_query_srq { 1198 __aligned_u64 response; 1199 __u32 srq_handle; 1200 __u32 reserved; 1201 __aligned_u64 driver_data[0]; 1202 }; 1203 1204 struct ib_uverbs_query_srq_resp { 1205 __u32 max_wr; 1206 __u32 max_sge; 1207 __u32 srq_limit; 1208 __u32 reserved; 1209 }; 1210 1211 struct ib_uverbs_destroy_srq { 1212 __aligned_u64 response; 1213 __u32 srq_handle; 1214 __u32 reserved; 1215 }; 1216 1217 struct ib_uverbs_destroy_srq_resp { 1218 __u32 events_reported; 1219 }; 1220 1221 struct ib_uverbs_ex_create_wq { 1222 __u32 comp_mask; 1223 __u32 wq_type; 1224 __aligned_u64 user_handle; 1225 __u32 pd_handle; 1226 __u32 cq_handle; 1227 __u32 max_wr; 1228 __u32 max_sge; 1229 __u32 create_flags; /* Use enum ib_wq_flags */ 1230 __u32 reserved; 1231 }; 1232 1233 struct ib_uverbs_ex_create_wq_resp { 1234 __u32 comp_mask; 1235 __u32 response_length; 1236 __u32 wq_handle; 1237 __u32 max_wr; 1238 __u32 max_sge; 1239 __u32 wqn; 1240 }; 1241 1242 struct ib_uverbs_ex_destroy_wq { 1243 __u32 comp_mask; 1244 __u32 wq_handle; 1245 }; 1246 1247 struct ib_uverbs_ex_destroy_wq_resp { 1248 __u32 comp_mask; 1249 __u32 response_length; 1250 __u32 events_reported; 1251 __u32 reserved; 1252 }; 1253 1254 struct ib_uverbs_ex_modify_wq { 1255 __u32 attr_mask; 1256 __u32 wq_handle; 1257 __u32 wq_state; 1258 __u32 curr_wq_state; 1259 __u32 flags; /* Use enum ib_wq_flags */ 1260 __u32 flags_mask; /* Use enum ib_wq_flags */ 1261 }; 1262 1263 /* Prevent memory allocation rather than max expected size */ 1264 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d 1265 struct ib_uverbs_ex_create_rwq_ind_table { 1266 __u32 comp_mask; 1267 __u32 log_ind_tbl_size; 1268 /* Following are the wq handles according to log_ind_tbl_size 1269 * wq_handle1 1270 * wq_handle2 1271 */ 1272 __u32 wq_handles[0]; 1273 }; 1274 1275 struct ib_uverbs_ex_create_rwq_ind_table_resp { 1276 __u32 comp_mask; 1277 __u32 response_length; 1278 __u32 ind_tbl_handle; 1279 __u32 ind_tbl_num; 1280 }; 1281 1282 struct ib_uverbs_ex_destroy_rwq_ind_table { 1283 __u32 comp_mask; 1284 __u32 ind_tbl_handle; 1285 }; 1286 1287 struct ib_uverbs_cq_moderation { 1288 __u16 cq_count; 1289 __u16 cq_period; 1290 }; 1291 1292 struct ib_uverbs_ex_modify_cq { 1293 __u32 cq_handle; 1294 __u32 attr_mask; 1295 struct ib_uverbs_cq_moderation attr; 1296 __u32 reserved; 1297 }; 1298 1299 #define IB_DEVICE_NAME_MAX 64 1300 1301 /* 1302 * bits 9, 15, 16, 19, 22, 27, 30, 31, 32, 33, 35 and 37 may be set by old 1303 * kernels and should not be used. 1304 */ 1305 enum ib_uverbs_device_cap_flags { 1306 IB_UVERBS_DEVICE_RESIZE_MAX_WR = 1 << 0, 1307 IB_UVERBS_DEVICE_BAD_PKEY_CNTR = 1 << 1, 1308 IB_UVERBS_DEVICE_BAD_QKEY_CNTR = 1 << 2, 1309 IB_UVERBS_DEVICE_RAW_MULTI = 1 << 3, 1310 IB_UVERBS_DEVICE_AUTO_PATH_MIG = 1 << 4, 1311 IB_UVERBS_DEVICE_CHANGE_PHY_PORT = 1 << 5, 1312 IB_UVERBS_DEVICE_UD_AV_PORT_ENFORCE = 1 << 6, 1313 IB_UVERBS_DEVICE_CURR_QP_STATE_MOD = 1 << 7, 1314 IB_UVERBS_DEVICE_SHUTDOWN_PORT = 1 << 8, 1315 /* IB_UVERBS_DEVICE_INIT_TYPE = 1 << 9, (not in use) */ 1316 IB_UVERBS_DEVICE_PORT_ACTIVE_EVENT = 1 << 10, 1317 IB_UVERBS_DEVICE_SYS_IMAGE_GUID = 1 << 11, 1318 IB_UVERBS_DEVICE_RC_RNR_NAK_GEN = 1 << 12, 1319 IB_UVERBS_DEVICE_SRQ_RESIZE = 1 << 13, 1320 IB_UVERBS_DEVICE_N_NOTIFY_CQ = 1 << 14, 1321 IB_UVERBS_DEVICE_MEM_WINDOW = 1 << 17, 1322 IB_UVERBS_DEVICE_UD_IP_CSUM = 1 << 18, 1323 IB_UVERBS_DEVICE_XRC = 1 << 20, 1324 IB_UVERBS_DEVICE_MEM_MGT_EXTENSIONS = 1 << 21, 1325 IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2A = 1 << 23, 1326 IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2B = 1 << 24, 1327 IB_UVERBS_DEVICE_RC_IP_CSUM = 1 << 25, 1328 /* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_IP_CSUM. */ 1329 IB_UVERBS_DEVICE_RAW_IP_CSUM = 1 << 26, 1330 IB_UVERBS_DEVICE_MANAGED_FLOW_STEERING = 1 << 29, 1331 /* Deprecated. Please use IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS. */ 1332 IB_UVERBS_DEVICE_RAW_SCATTER_FCS = 1ULL << 34, 1333 IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING = 1ULL << 36, 1334 }; 1335 1336 enum ib_uverbs_raw_packet_caps { 1337 IB_UVERBS_RAW_PACKET_CAP_CVLAN_STRIPPING = 1 << 0, 1338 IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS = 1 << 1, 1339 IB_UVERBS_RAW_PACKET_CAP_IP_CSUM = 1 << 2, 1340 IB_UVERBS_RAW_PACKET_CAP_DELAY_DROP = 1 << 3, 1341 }; 1342 1343 #endif /* IB_USER_VERBS_H */ 1344