1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
2 /*
3  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
4  * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
5  * Copyright (c) 2005 PathScale, Inc.  All rights reserved.
6  * Copyright (c) 2006 Mellanox Technologies.  All rights reserved.
7  *
8  * This software is available to you under a choice of one of two
9  * licenses.  You may choose to be licensed under the terms of the GNU
10  * General Public License (GPL) Version 2, available from the file
11  * COPYING in the main directory of this source tree, or the
12  * OpenIB.org BSD license below:
13  *
14  *     Redistribution and use in source and binary forms, with or
15  *     without modification, are permitted provided that the following
16  *     conditions are met:
17  *
18  *      - Redistributions of source code must retain the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer.
21  *
22  *      - Redistributions in binary form must reproduce the above
23  *        copyright notice, this list of conditions and the following
24  *        disclaimer in the documentation and/or other materials
25  *        provided with the distribution.
26  *
27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34  * SOFTWARE.
35  */
36 
37 #ifndef IB_USER_VERBS_H
38 #define IB_USER_VERBS_H
39 
40 #include <linux/types.h>
41 
42 /*
43  * Increment this value if any changes that break userspace ABI
44  * compatibility are made.
45  */
46 #define IB_USER_VERBS_ABI_VERSION	6
47 #define IB_USER_VERBS_CMD_THRESHOLD    50
48 
49 enum {
50 	IB_USER_VERBS_CMD_GET_CONTEXT,
51 	IB_USER_VERBS_CMD_QUERY_DEVICE,
52 	IB_USER_VERBS_CMD_QUERY_PORT,
53 	IB_USER_VERBS_CMD_ALLOC_PD,
54 	IB_USER_VERBS_CMD_DEALLOC_PD,
55 	IB_USER_VERBS_CMD_CREATE_AH,
56 	IB_USER_VERBS_CMD_MODIFY_AH,
57 	IB_USER_VERBS_CMD_QUERY_AH,
58 	IB_USER_VERBS_CMD_DESTROY_AH,
59 	IB_USER_VERBS_CMD_REG_MR,
60 	IB_USER_VERBS_CMD_REG_SMR,
61 	IB_USER_VERBS_CMD_REREG_MR,
62 	IB_USER_VERBS_CMD_QUERY_MR,
63 	IB_USER_VERBS_CMD_DEREG_MR,
64 	IB_USER_VERBS_CMD_ALLOC_MW,
65 	IB_USER_VERBS_CMD_BIND_MW,
66 	IB_USER_VERBS_CMD_DEALLOC_MW,
67 	IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
68 	IB_USER_VERBS_CMD_CREATE_CQ,
69 	IB_USER_VERBS_CMD_RESIZE_CQ,
70 	IB_USER_VERBS_CMD_DESTROY_CQ,
71 	IB_USER_VERBS_CMD_POLL_CQ,
72 	IB_USER_VERBS_CMD_PEEK_CQ,
73 	IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
74 	IB_USER_VERBS_CMD_CREATE_QP,
75 	IB_USER_VERBS_CMD_QUERY_QP,
76 	IB_USER_VERBS_CMD_MODIFY_QP,
77 	IB_USER_VERBS_CMD_DESTROY_QP,
78 	IB_USER_VERBS_CMD_POST_SEND,
79 	IB_USER_VERBS_CMD_POST_RECV,
80 	IB_USER_VERBS_CMD_ATTACH_MCAST,
81 	IB_USER_VERBS_CMD_DETACH_MCAST,
82 	IB_USER_VERBS_CMD_CREATE_SRQ,
83 	IB_USER_VERBS_CMD_MODIFY_SRQ,
84 	IB_USER_VERBS_CMD_QUERY_SRQ,
85 	IB_USER_VERBS_CMD_DESTROY_SRQ,
86 	IB_USER_VERBS_CMD_POST_SRQ_RECV,
87 	IB_USER_VERBS_CMD_OPEN_XRCD,
88 	IB_USER_VERBS_CMD_CLOSE_XRCD,
89 	IB_USER_VERBS_CMD_CREATE_XSRQ,
90 	IB_USER_VERBS_CMD_OPEN_QP,
91 };
92 
93 enum {
94 	IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE,
95 	IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ,
96 	IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP,
97 	IB_USER_VERBS_EX_CMD_MODIFY_QP = IB_USER_VERBS_CMD_MODIFY_QP,
98 	IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
99 	IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
100 	IB_USER_VERBS_EX_CMD_CREATE_WQ,
101 	IB_USER_VERBS_EX_CMD_MODIFY_WQ,
102 	IB_USER_VERBS_EX_CMD_DESTROY_WQ,
103 	IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL,
104 	IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL,
105 	IB_USER_VERBS_EX_CMD_MODIFY_CQ
106 };
107 
108 /*
109  * Make sure that all structs defined in this file remain laid out so
110  * that they pack the same way on 32-bit and 64-bit architectures (to
111  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
112  * Specifically:
113  *  - Do not use pointer types -- pass pointers in __u64 instead.
114  *  - Make sure that any structure larger than 4 bytes is padded to a
115  *    multiple of 8 bytes.  Otherwise the structure size will be
116  *    different between 32-bit and 64-bit architectures.
117  */
118 
119 struct ib_uverbs_async_event_desc {
120 	__u64 element;
121 	__u32 event_type;	/* enum ib_event_type */
122 	__u32 reserved;
123 };
124 
125 struct ib_uverbs_comp_event_desc {
126 	__u64 cq_handle;
127 };
128 
129 struct ib_uverbs_cq_moderation_caps {
130 	__u16     max_cq_moderation_count;
131 	__u16     max_cq_moderation_period;
132 	__u32     reserved;
133 };
134 
135 /*
136  * All commands from userspace should start with a __u32 command field
137  * followed by __u16 in_words and out_words fields (which give the
138  * length of the command block and response buffer if any in 32-bit
139  * words).  The kernel driver will read these fields first and read
140  * the rest of the command struct based on these value.
141  */
142 
143 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff
144 #define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u
145 #define IB_USER_VERBS_CMD_FLAGS_SHIFT 24
146 
147 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80
148 
149 struct ib_uverbs_cmd_hdr {
150 	__u32 command;
151 	__u16 in_words;
152 	__u16 out_words;
153 };
154 
155 struct ib_uverbs_ex_cmd_hdr {
156 	__u64 response;
157 	__u16 provider_in_words;
158 	__u16 provider_out_words;
159 	__u32 cmd_hdr_reserved;
160 };
161 
162 struct ib_uverbs_get_context {
163 	__u64 response;
164 	__u64 driver_data[0];
165 };
166 
167 struct ib_uverbs_get_context_resp {
168 	__u32 async_fd;
169 	__u32 num_comp_vectors;
170 };
171 
172 struct ib_uverbs_query_device {
173 	__u64 response;
174 	__u64 driver_data[0];
175 };
176 
177 struct ib_uverbs_query_device_resp {
178 	__u64 fw_ver;
179 	__be64 node_guid;
180 	__be64 sys_image_guid;
181 	__u64 max_mr_size;
182 	__u64 page_size_cap;
183 	__u32 vendor_id;
184 	__u32 vendor_part_id;
185 	__u32 hw_ver;
186 	__u32 max_qp;
187 	__u32 max_qp_wr;
188 	__u32 device_cap_flags;
189 	__u32 max_sge;
190 	__u32 max_sge_rd;
191 	__u32 max_cq;
192 	__u32 max_cqe;
193 	__u32 max_mr;
194 	__u32 max_pd;
195 	__u32 max_qp_rd_atom;
196 	__u32 max_ee_rd_atom;
197 	__u32 max_res_rd_atom;
198 	__u32 max_qp_init_rd_atom;
199 	__u32 max_ee_init_rd_atom;
200 	__u32 atomic_cap;
201 	__u32 max_ee;
202 	__u32 max_rdd;
203 	__u32 max_mw;
204 	__u32 max_raw_ipv6_qp;
205 	__u32 max_raw_ethy_qp;
206 	__u32 max_mcast_grp;
207 	__u32 max_mcast_qp_attach;
208 	__u32 max_total_mcast_qp_attach;
209 	__u32 max_ah;
210 	__u32 max_fmr;
211 	__u32 max_map_per_fmr;
212 	__u32 max_srq;
213 	__u32 max_srq_wr;
214 	__u32 max_srq_sge;
215 	__u16 max_pkeys;
216 	__u8  local_ca_ack_delay;
217 	__u8  phys_port_cnt;
218 	__u8  reserved[4];
219 };
220 
221 struct ib_uverbs_ex_query_device {
222 	__u32 comp_mask;
223 	__u32 reserved;
224 };
225 
226 struct ib_uverbs_odp_caps {
227 	__u64 general_caps;
228 	struct {
229 		__u32 rc_odp_caps;
230 		__u32 uc_odp_caps;
231 		__u32 ud_odp_caps;
232 	} per_transport_caps;
233 	__u32 reserved;
234 };
235 
236 struct ib_uverbs_rss_caps {
237 	/* Corresponding bit will be set if qp type from
238 	 * 'enum ib_qp_type' is supported, e.g.
239 	 * supported_qpts |= 1 << IB_QPT_UD
240 	 */
241 	__u32 supported_qpts;
242 	__u32 max_rwq_indirection_tables;
243 	__u32 max_rwq_indirection_table_size;
244 	__u32 reserved;
245 };
246 
247 struct ib_uverbs_tm_caps {
248 	/* Max size of rendezvous request message */
249 	__u32 max_rndv_hdr_size;
250 	/* Max number of entries in tag matching list */
251 	__u32 max_num_tags;
252 	/* TM flags */
253 	__u32 flags;
254 	/* Max number of outstanding list operations */
255 	__u32 max_ops;
256 	/* Max number of SGE in tag matching entry */
257 	__u32 max_sge;
258 	__u32 reserved;
259 };
260 
261 struct ib_uverbs_ex_query_device_resp {
262 	struct ib_uverbs_query_device_resp base;
263 	__u32 comp_mask;
264 	__u32 response_length;
265 	struct ib_uverbs_odp_caps odp_caps;
266 	__u64 timestamp_mask;
267 	__u64 hca_core_clock; /* in KHZ */
268 	__u64 device_cap_flags_ex;
269 	struct ib_uverbs_rss_caps rss_caps;
270 	__u32  max_wq_type_rq;
271 	__u32 raw_packet_caps;
272 	struct ib_uverbs_tm_caps tm_caps;
273 	struct ib_uverbs_cq_moderation_caps cq_moderation_caps;
274 };
275 
276 struct ib_uverbs_query_port {
277 	__u64 response;
278 	__u8  port_num;
279 	__u8  reserved[7];
280 	__u64 driver_data[0];
281 };
282 
283 struct ib_uverbs_query_port_resp {
284 	__u32 port_cap_flags;
285 	__u32 max_msg_sz;
286 	__u32 bad_pkey_cntr;
287 	__u32 qkey_viol_cntr;
288 	__u32 gid_tbl_len;
289 	__u16 pkey_tbl_len;
290 	__u16 lid;
291 	__u16 sm_lid;
292 	__u8  state;
293 	__u8  max_mtu;
294 	__u8  active_mtu;
295 	__u8  lmc;
296 	__u8  max_vl_num;
297 	__u8  sm_sl;
298 	__u8  subnet_timeout;
299 	__u8  init_type_reply;
300 	__u8  active_width;
301 	__u8  active_speed;
302 	__u8  phys_state;
303 	__u8  link_layer;
304 	__u8  reserved[2];
305 };
306 
307 struct ib_uverbs_alloc_pd {
308 	__u64 response;
309 	__u64 driver_data[0];
310 };
311 
312 struct ib_uverbs_alloc_pd_resp {
313 	__u32 pd_handle;
314 };
315 
316 struct ib_uverbs_dealloc_pd {
317 	__u32 pd_handle;
318 };
319 
320 struct ib_uverbs_open_xrcd {
321 	__u64 response;
322 	__u32 fd;
323 	__u32 oflags;
324 	__u64 driver_data[0];
325 };
326 
327 struct ib_uverbs_open_xrcd_resp {
328 	__u32 xrcd_handle;
329 };
330 
331 struct ib_uverbs_close_xrcd {
332 	__u32 xrcd_handle;
333 };
334 
335 struct ib_uverbs_reg_mr {
336 	__u64 response;
337 	__u64 start;
338 	__u64 length;
339 	__u64 hca_va;
340 	__u32 pd_handle;
341 	__u32 access_flags;
342 	__u64 driver_data[0];
343 };
344 
345 struct ib_uverbs_reg_mr_resp {
346 	__u32 mr_handle;
347 	__u32 lkey;
348 	__u32 rkey;
349 };
350 
351 struct ib_uverbs_rereg_mr {
352 	__u64 response;
353 	__u32 mr_handle;
354 	__u32 flags;
355 	__u64 start;
356 	__u64 length;
357 	__u64 hca_va;
358 	__u32 pd_handle;
359 	__u32 access_flags;
360 };
361 
362 struct ib_uverbs_rereg_mr_resp {
363 	__u32 lkey;
364 	__u32 rkey;
365 };
366 
367 struct ib_uverbs_dereg_mr {
368 	__u32 mr_handle;
369 };
370 
371 struct ib_uverbs_alloc_mw {
372 	__u64 response;
373 	__u32 pd_handle;
374 	__u8  mw_type;
375 	__u8  reserved[3];
376 };
377 
378 struct ib_uverbs_alloc_mw_resp {
379 	__u32 mw_handle;
380 	__u32 rkey;
381 };
382 
383 struct ib_uverbs_dealloc_mw {
384 	__u32 mw_handle;
385 };
386 
387 struct ib_uverbs_create_comp_channel {
388 	__u64 response;
389 };
390 
391 struct ib_uverbs_create_comp_channel_resp {
392 	__u32 fd;
393 };
394 
395 struct ib_uverbs_create_cq {
396 	__u64 response;
397 	__u64 user_handle;
398 	__u32 cqe;
399 	__u32 comp_vector;
400 	__s32 comp_channel;
401 	__u32 reserved;
402 	__u64 driver_data[0];
403 };
404 
405 enum ib_uverbs_ex_create_cq_flags {
406 	IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0,
407 	IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1,
408 };
409 
410 struct ib_uverbs_ex_create_cq {
411 	__u64 user_handle;
412 	__u32 cqe;
413 	__u32 comp_vector;
414 	__s32 comp_channel;
415 	__u32 comp_mask;
416 	__u32 flags;  /* bitmask of ib_uverbs_ex_create_cq_flags */
417 	__u32 reserved;
418 };
419 
420 struct ib_uverbs_create_cq_resp {
421 	__u32 cq_handle;
422 	__u32 cqe;
423 };
424 
425 struct ib_uverbs_ex_create_cq_resp {
426 	struct ib_uverbs_create_cq_resp base;
427 	__u32 comp_mask;
428 	__u32 response_length;
429 };
430 
431 struct ib_uverbs_resize_cq {
432 	__u64 response;
433 	__u32 cq_handle;
434 	__u32 cqe;
435 	__u64 driver_data[0];
436 };
437 
438 struct ib_uverbs_resize_cq_resp {
439 	__u32 cqe;
440 	__u32 reserved;
441 	__u64 driver_data[0];
442 };
443 
444 struct ib_uverbs_poll_cq {
445 	__u64 response;
446 	__u32 cq_handle;
447 	__u32 ne;
448 };
449 
450 struct ib_uverbs_wc {
451 	__u64 wr_id;
452 	__u32 status;
453 	__u32 opcode;
454 	__u32 vendor_err;
455 	__u32 byte_len;
456 	union {
457 		__be32 imm_data;
458 		__u32 invalidate_rkey;
459 	} ex;
460 	__u32 qp_num;
461 	__u32 src_qp;
462 	__u32 wc_flags;
463 	__u16 pkey_index;
464 	__u16 slid;
465 	__u8 sl;
466 	__u8 dlid_path_bits;
467 	__u8 port_num;
468 	__u8 reserved;
469 };
470 
471 struct ib_uverbs_poll_cq_resp {
472 	__u32 count;
473 	__u32 reserved;
474 	struct ib_uverbs_wc wc[0];
475 };
476 
477 struct ib_uverbs_req_notify_cq {
478 	__u32 cq_handle;
479 	__u32 solicited_only;
480 };
481 
482 struct ib_uverbs_destroy_cq {
483 	__u64 response;
484 	__u32 cq_handle;
485 	__u32 reserved;
486 };
487 
488 struct ib_uverbs_destroy_cq_resp {
489 	__u32 comp_events_reported;
490 	__u32 async_events_reported;
491 };
492 
493 struct ib_uverbs_global_route {
494 	__u8  dgid[16];
495 	__u32 flow_label;
496 	__u8  sgid_index;
497 	__u8  hop_limit;
498 	__u8  traffic_class;
499 	__u8  reserved;
500 };
501 
502 struct ib_uverbs_ah_attr {
503 	struct ib_uverbs_global_route grh;
504 	__u16 dlid;
505 	__u8  sl;
506 	__u8  src_path_bits;
507 	__u8  static_rate;
508 	__u8  is_global;
509 	__u8  port_num;
510 	__u8  reserved;
511 };
512 
513 struct ib_uverbs_qp_attr {
514 	__u32	qp_attr_mask;
515 	__u32	qp_state;
516 	__u32	cur_qp_state;
517 	__u32	path_mtu;
518 	__u32	path_mig_state;
519 	__u32	qkey;
520 	__u32	rq_psn;
521 	__u32	sq_psn;
522 	__u32	dest_qp_num;
523 	__u32	qp_access_flags;
524 
525 	struct ib_uverbs_ah_attr ah_attr;
526 	struct ib_uverbs_ah_attr alt_ah_attr;
527 
528 	/* ib_qp_cap */
529 	__u32	max_send_wr;
530 	__u32	max_recv_wr;
531 	__u32	max_send_sge;
532 	__u32	max_recv_sge;
533 	__u32	max_inline_data;
534 
535 	__u16	pkey_index;
536 	__u16	alt_pkey_index;
537 	__u8	en_sqd_async_notify;
538 	__u8	sq_draining;
539 	__u8	max_rd_atomic;
540 	__u8	max_dest_rd_atomic;
541 	__u8	min_rnr_timer;
542 	__u8	port_num;
543 	__u8	timeout;
544 	__u8	retry_cnt;
545 	__u8	rnr_retry;
546 	__u8	alt_port_num;
547 	__u8	alt_timeout;
548 	__u8	reserved[5];
549 };
550 
551 struct ib_uverbs_create_qp {
552 	__u64 response;
553 	__u64 user_handle;
554 	__u32 pd_handle;
555 	__u32 send_cq_handle;
556 	__u32 recv_cq_handle;
557 	__u32 srq_handle;
558 	__u32 max_send_wr;
559 	__u32 max_recv_wr;
560 	__u32 max_send_sge;
561 	__u32 max_recv_sge;
562 	__u32 max_inline_data;
563 	__u8  sq_sig_all;
564 	__u8  qp_type;
565 	__u8  is_srq;
566 	__u8  reserved;
567 	__u64 driver_data[0];
568 };
569 
570 enum ib_uverbs_create_qp_mask {
571 	IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0,
572 };
573 
574 enum {
575 	IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE,
576 };
577 
578 enum {
579 	/*
580 	 * This value is equal to IB_QP_DEST_QPN.
581 	 */
582 	IB_USER_LEGACY_LAST_QP_ATTR_MASK = 1ULL << 20,
583 };
584 
585 enum {
586 	/*
587 	 * This value is equal to IB_QP_RATE_LIMIT.
588 	 */
589 	IB_USER_LAST_QP_ATTR_MASK = 1ULL << 25,
590 };
591 
592 struct ib_uverbs_ex_create_qp {
593 	__u64 user_handle;
594 	__u32 pd_handle;
595 	__u32 send_cq_handle;
596 	__u32 recv_cq_handle;
597 	__u32 srq_handle;
598 	__u32 max_send_wr;
599 	__u32 max_recv_wr;
600 	__u32 max_send_sge;
601 	__u32 max_recv_sge;
602 	__u32 max_inline_data;
603 	__u8  sq_sig_all;
604 	__u8  qp_type;
605 	__u8  is_srq;
606 	__u8 reserved;
607 	__u32 comp_mask;
608 	__u32 create_flags;
609 	__u32 rwq_ind_tbl_handle;
610 	__u32  source_qpn;
611 };
612 
613 struct ib_uverbs_open_qp {
614 	__u64 response;
615 	__u64 user_handle;
616 	__u32 pd_handle;
617 	__u32 qpn;
618 	__u8  qp_type;
619 	__u8  reserved[7];
620 	__u64 driver_data[0];
621 };
622 
623 /* also used for open response */
624 struct ib_uverbs_create_qp_resp {
625 	__u32 qp_handle;
626 	__u32 qpn;
627 	__u32 max_send_wr;
628 	__u32 max_recv_wr;
629 	__u32 max_send_sge;
630 	__u32 max_recv_sge;
631 	__u32 max_inline_data;
632 	__u32 reserved;
633 };
634 
635 struct ib_uverbs_ex_create_qp_resp {
636 	struct ib_uverbs_create_qp_resp base;
637 	__u32 comp_mask;
638 	__u32 response_length;
639 };
640 
641 /*
642  * This struct needs to remain a multiple of 8 bytes to keep the
643  * alignment of the modify QP parameters.
644  */
645 struct ib_uverbs_qp_dest {
646 	__u8  dgid[16];
647 	__u32 flow_label;
648 	__u16 dlid;
649 	__u16 reserved;
650 	__u8  sgid_index;
651 	__u8  hop_limit;
652 	__u8  traffic_class;
653 	__u8  sl;
654 	__u8  src_path_bits;
655 	__u8  static_rate;
656 	__u8  is_global;
657 	__u8  port_num;
658 };
659 
660 struct ib_uverbs_query_qp {
661 	__u64 response;
662 	__u32 qp_handle;
663 	__u32 attr_mask;
664 	__u64 driver_data[0];
665 };
666 
667 struct ib_uverbs_query_qp_resp {
668 	struct ib_uverbs_qp_dest dest;
669 	struct ib_uverbs_qp_dest alt_dest;
670 	__u32 max_send_wr;
671 	__u32 max_recv_wr;
672 	__u32 max_send_sge;
673 	__u32 max_recv_sge;
674 	__u32 max_inline_data;
675 	__u32 qkey;
676 	__u32 rq_psn;
677 	__u32 sq_psn;
678 	__u32 dest_qp_num;
679 	__u32 qp_access_flags;
680 	__u16 pkey_index;
681 	__u16 alt_pkey_index;
682 	__u8  qp_state;
683 	__u8  cur_qp_state;
684 	__u8  path_mtu;
685 	__u8  path_mig_state;
686 	__u8  sq_draining;
687 	__u8  max_rd_atomic;
688 	__u8  max_dest_rd_atomic;
689 	__u8  min_rnr_timer;
690 	__u8  port_num;
691 	__u8  timeout;
692 	__u8  retry_cnt;
693 	__u8  rnr_retry;
694 	__u8  alt_port_num;
695 	__u8  alt_timeout;
696 	__u8  sq_sig_all;
697 	__u8  reserved[5];
698 	__u64 driver_data[0];
699 };
700 
701 struct ib_uverbs_modify_qp {
702 	struct ib_uverbs_qp_dest dest;
703 	struct ib_uverbs_qp_dest alt_dest;
704 	__u32 qp_handle;
705 	__u32 attr_mask;
706 	__u32 qkey;
707 	__u32 rq_psn;
708 	__u32 sq_psn;
709 	__u32 dest_qp_num;
710 	__u32 qp_access_flags;
711 	__u16 pkey_index;
712 	__u16 alt_pkey_index;
713 	__u8  qp_state;
714 	__u8  cur_qp_state;
715 	__u8  path_mtu;
716 	__u8  path_mig_state;
717 	__u8  en_sqd_async_notify;
718 	__u8  max_rd_atomic;
719 	__u8  max_dest_rd_atomic;
720 	__u8  min_rnr_timer;
721 	__u8  port_num;
722 	__u8  timeout;
723 	__u8  retry_cnt;
724 	__u8  rnr_retry;
725 	__u8  alt_port_num;
726 	__u8  alt_timeout;
727 	__u8  reserved[2];
728 	__u64 driver_data[0];
729 };
730 
731 struct ib_uverbs_ex_modify_qp {
732 	struct ib_uverbs_modify_qp base;
733 	__u32	rate_limit;
734 	__u32	reserved;
735 };
736 
737 struct ib_uverbs_modify_qp_resp {
738 };
739 
740 struct ib_uverbs_ex_modify_qp_resp {
741 	__u32  comp_mask;
742 	__u32  response_length;
743 };
744 
745 struct ib_uverbs_destroy_qp {
746 	__u64 response;
747 	__u32 qp_handle;
748 	__u32 reserved;
749 };
750 
751 struct ib_uverbs_destroy_qp_resp {
752 	__u32 events_reported;
753 };
754 
755 /*
756  * The ib_uverbs_sge structure isn't used anywhere, since we assume
757  * the ib_sge structure is packed the same way on 32-bit and 64-bit
758  * architectures in both kernel and user space.  It's just here to
759  * document the ABI.
760  */
761 struct ib_uverbs_sge {
762 	__u64 addr;
763 	__u32 length;
764 	__u32 lkey;
765 };
766 
767 struct ib_uverbs_send_wr {
768 	__u64 wr_id;
769 	__u32 num_sge;
770 	__u32 opcode;
771 	__u32 send_flags;
772 	union {
773 		__be32 imm_data;
774 		__u32 invalidate_rkey;
775 	} ex;
776 	union {
777 		struct {
778 			__u64 remote_addr;
779 			__u32 rkey;
780 			__u32 reserved;
781 		} rdma;
782 		struct {
783 			__u64 remote_addr;
784 			__u64 compare_add;
785 			__u64 swap;
786 			__u32 rkey;
787 			__u32 reserved;
788 		} atomic;
789 		struct {
790 			__u32 ah;
791 			__u32 remote_qpn;
792 			__u32 remote_qkey;
793 			__u32 reserved;
794 		} ud;
795 	} wr;
796 };
797 
798 struct ib_uverbs_post_send {
799 	__u64 response;
800 	__u32 qp_handle;
801 	__u32 wr_count;
802 	__u32 sge_count;
803 	__u32 wqe_size;
804 	struct ib_uverbs_send_wr send_wr[0];
805 };
806 
807 struct ib_uverbs_post_send_resp {
808 	__u32 bad_wr;
809 };
810 
811 struct ib_uverbs_recv_wr {
812 	__u64 wr_id;
813 	__u32 num_sge;
814 	__u32 reserved;
815 };
816 
817 struct ib_uverbs_post_recv {
818 	__u64 response;
819 	__u32 qp_handle;
820 	__u32 wr_count;
821 	__u32 sge_count;
822 	__u32 wqe_size;
823 	struct ib_uverbs_recv_wr recv_wr[0];
824 };
825 
826 struct ib_uverbs_post_recv_resp {
827 	__u32 bad_wr;
828 };
829 
830 struct ib_uverbs_post_srq_recv {
831 	__u64 response;
832 	__u32 srq_handle;
833 	__u32 wr_count;
834 	__u32 sge_count;
835 	__u32 wqe_size;
836 	struct ib_uverbs_recv_wr recv[0];
837 };
838 
839 struct ib_uverbs_post_srq_recv_resp {
840 	__u32 bad_wr;
841 };
842 
843 struct ib_uverbs_create_ah {
844 	__u64 response;
845 	__u64 user_handle;
846 	__u32 pd_handle;
847 	__u32 reserved;
848 	struct ib_uverbs_ah_attr attr;
849 };
850 
851 struct ib_uverbs_create_ah_resp {
852 	__u32 ah_handle;
853 };
854 
855 struct ib_uverbs_destroy_ah {
856 	__u32 ah_handle;
857 };
858 
859 struct ib_uverbs_attach_mcast {
860 	__u8  gid[16];
861 	__u32 qp_handle;
862 	__u16 mlid;
863 	__u16 reserved;
864 	__u64 driver_data[0];
865 };
866 
867 struct ib_uverbs_detach_mcast {
868 	__u8  gid[16];
869 	__u32 qp_handle;
870 	__u16 mlid;
871 	__u16 reserved;
872 	__u64 driver_data[0];
873 };
874 
875 struct ib_uverbs_flow_spec_hdr {
876 	__u32 type;
877 	__u16 size;
878 	__u16 reserved;
879 	/* followed by flow_spec */
880 	__u64 flow_spec_data[0];
881 };
882 
883 struct ib_uverbs_flow_eth_filter {
884 	__u8  dst_mac[6];
885 	__u8  src_mac[6];
886 	__be16 ether_type;
887 	__be16 vlan_tag;
888 };
889 
890 struct ib_uverbs_flow_spec_eth {
891 	union {
892 		struct ib_uverbs_flow_spec_hdr hdr;
893 		struct {
894 			__u32 type;
895 			__u16 size;
896 			__u16 reserved;
897 		};
898 	};
899 	struct ib_uverbs_flow_eth_filter val;
900 	struct ib_uverbs_flow_eth_filter mask;
901 };
902 
903 struct ib_uverbs_flow_ipv4_filter {
904 	__be32 src_ip;
905 	__be32 dst_ip;
906 	__u8	proto;
907 	__u8	tos;
908 	__u8	ttl;
909 	__u8	flags;
910 };
911 
912 struct ib_uverbs_flow_spec_ipv4 {
913 	union {
914 		struct ib_uverbs_flow_spec_hdr hdr;
915 		struct {
916 			__u32 type;
917 			__u16 size;
918 			__u16 reserved;
919 		};
920 	};
921 	struct ib_uverbs_flow_ipv4_filter val;
922 	struct ib_uverbs_flow_ipv4_filter mask;
923 };
924 
925 struct ib_uverbs_flow_tcp_udp_filter {
926 	__be16 dst_port;
927 	__be16 src_port;
928 };
929 
930 struct ib_uverbs_flow_spec_tcp_udp {
931 	union {
932 		struct ib_uverbs_flow_spec_hdr hdr;
933 		struct {
934 			__u32 type;
935 			__u16 size;
936 			__u16 reserved;
937 		};
938 	};
939 	struct ib_uverbs_flow_tcp_udp_filter val;
940 	struct ib_uverbs_flow_tcp_udp_filter mask;
941 };
942 
943 struct ib_uverbs_flow_ipv6_filter {
944 	__u8    src_ip[16];
945 	__u8    dst_ip[16];
946 	__be32	flow_label;
947 	__u8	next_hdr;
948 	__u8	traffic_class;
949 	__u8	hop_limit;
950 	__u8	reserved;
951 };
952 
953 struct ib_uverbs_flow_spec_ipv6 {
954 	union {
955 		struct ib_uverbs_flow_spec_hdr hdr;
956 		struct {
957 			__u32 type;
958 			__u16 size;
959 			__u16 reserved;
960 		};
961 	};
962 	struct ib_uverbs_flow_ipv6_filter val;
963 	struct ib_uverbs_flow_ipv6_filter mask;
964 };
965 
966 struct ib_uverbs_flow_spec_action_tag {
967 	union {
968 		struct ib_uverbs_flow_spec_hdr hdr;
969 		struct {
970 			__u32 type;
971 			__u16 size;
972 			__u16 reserved;
973 		};
974 	};
975 	__u32			      tag_id;
976 	__u32			      reserved1;
977 };
978 
979 struct ib_uverbs_flow_spec_action_drop {
980 	union {
981 		struct ib_uverbs_flow_spec_hdr hdr;
982 		struct {
983 			__u32 type;
984 			__u16 size;
985 			__u16 reserved;
986 		};
987 	};
988 };
989 
990 struct ib_uverbs_flow_tunnel_filter {
991 	__be32 tunnel_id;
992 };
993 
994 struct ib_uverbs_flow_spec_tunnel {
995 	union {
996 		struct ib_uverbs_flow_spec_hdr hdr;
997 		struct {
998 			__u32 type;
999 			__u16 size;
1000 			__u16 reserved;
1001 		};
1002 	};
1003 	struct ib_uverbs_flow_tunnel_filter val;
1004 	struct ib_uverbs_flow_tunnel_filter mask;
1005 };
1006 
1007 struct ib_uverbs_flow_attr {
1008 	__u32 type;
1009 	__u16 size;
1010 	__u16 priority;
1011 	__u8  num_of_specs;
1012 	__u8  reserved[2];
1013 	__u8  port;
1014 	__u32 flags;
1015 	/* Following are the optional layers according to user request
1016 	 * struct ib_flow_spec_xxx
1017 	 * struct ib_flow_spec_yyy
1018 	 */
1019 	struct ib_uverbs_flow_spec_hdr flow_specs[0];
1020 };
1021 
1022 struct ib_uverbs_create_flow  {
1023 	__u32 comp_mask;
1024 	__u32 qp_handle;
1025 	struct ib_uverbs_flow_attr flow_attr;
1026 };
1027 
1028 struct ib_uverbs_create_flow_resp {
1029 	__u32 comp_mask;
1030 	__u32 flow_handle;
1031 };
1032 
1033 struct ib_uverbs_destroy_flow  {
1034 	__u32 comp_mask;
1035 	__u32 flow_handle;
1036 };
1037 
1038 struct ib_uverbs_create_srq {
1039 	__u64 response;
1040 	__u64 user_handle;
1041 	__u32 pd_handle;
1042 	__u32 max_wr;
1043 	__u32 max_sge;
1044 	__u32 srq_limit;
1045 	__u64 driver_data[0];
1046 };
1047 
1048 struct ib_uverbs_create_xsrq {
1049 	__u64 response;
1050 	__u64 user_handle;
1051 	__u32 srq_type;
1052 	__u32 pd_handle;
1053 	__u32 max_wr;
1054 	__u32 max_sge;
1055 	__u32 srq_limit;
1056 	__u32 max_num_tags;
1057 	__u32 xrcd_handle;
1058 	__u32 cq_handle;
1059 	__u64 driver_data[0];
1060 };
1061 
1062 struct ib_uverbs_create_srq_resp {
1063 	__u32 srq_handle;
1064 	__u32 max_wr;
1065 	__u32 max_sge;
1066 	__u32 srqn;
1067 };
1068 
1069 struct ib_uverbs_modify_srq {
1070 	__u32 srq_handle;
1071 	__u32 attr_mask;
1072 	__u32 max_wr;
1073 	__u32 srq_limit;
1074 	__u64 driver_data[0];
1075 };
1076 
1077 struct ib_uverbs_query_srq {
1078 	__u64 response;
1079 	__u32 srq_handle;
1080 	__u32 reserved;
1081 	__u64 driver_data[0];
1082 };
1083 
1084 struct ib_uverbs_query_srq_resp {
1085 	__u32 max_wr;
1086 	__u32 max_sge;
1087 	__u32 srq_limit;
1088 	__u32 reserved;
1089 };
1090 
1091 struct ib_uverbs_destroy_srq {
1092 	__u64 response;
1093 	__u32 srq_handle;
1094 	__u32 reserved;
1095 };
1096 
1097 struct ib_uverbs_destroy_srq_resp {
1098 	__u32 events_reported;
1099 };
1100 
1101 struct ib_uverbs_ex_create_wq  {
1102 	__u32 comp_mask;
1103 	__u32 wq_type;
1104 	__u64 user_handle;
1105 	__u32 pd_handle;
1106 	__u32 cq_handle;
1107 	__u32 max_wr;
1108 	__u32 max_sge;
1109 	__u32 create_flags; /* Use enum ib_wq_flags */
1110 	__u32 reserved;
1111 };
1112 
1113 struct ib_uverbs_ex_create_wq_resp {
1114 	__u32 comp_mask;
1115 	__u32 response_length;
1116 	__u32 wq_handle;
1117 	__u32 max_wr;
1118 	__u32 max_sge;
1119 	__u32 wqn;
1120 };
1121 
1122 struct ib_uverbs_ex_destroy_wq  {
1123 	__u32 comp_mask;
1124 	__u32 wq_handle;
1125 };
1126 
1127 struct ib_uverbs_ex_destroy_wq_resp {
1128 	__u32 comp_mask;
1129 	__u32 response_length;
1130 	__u32 events_reported;
1131 	__u32 reserved;
1132 };
1133 
1134 struct ib_uverbs_ex_modify_wq  {
1135 	__u32 attr_mask;
1136 	__u32 wq_handle;
1137 	__u32 wq_state;
1138 	__u32 curr_wq_state;
1139 	__u32 flags; /* Use enum ib_wq_flags */
1140 	__u32 flags_mask; /* Use enum ib_wq_flags */
1141 };
1142 
1143 /* Prevent memory allocation rather than max expected size */
1144 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d
1145 struct ib_uverbs_ex_create_rwq_ind_table  {
1146 	__u32 comp_mask;
1147 	__u32 log_ind_tbl_size;
1148 	/* Following are the wq handles according to log_ind_tbl_size
1149 	 * wq_handle1
1150 	 * wq_handle2
1151 	 */
1152 	__u32 wq_handles[0];
1153 };
1154 
1155 struct ib_uverbs_ex_create_rwq_ind_table_resp {
1156 	__u32 comp_mask;
1157 	__u32 response_length;
1158 	__u32 ind_tbl_handle;
1159 	__u32 ind_tbl_num;
1160 };
1161 
1162 struct ib_uverbs_ex_destroy_rwq_ind_table  {
1163 	__u32 comp_mask;
1164 	__u32 ind_tbl_handle;
1165 };
1166 
1167 struct ib_uverbs_cq_moderation {
1168 	__u16 cq_count;
1169 	__u16 cq_period;
1170 };
1171 
1172 struct ib_uverbs_ex_modify_cq {
1173 	__u32 cq_handle;
1174 	__u32 attr_mask;
1175 	struct ib_uverbs_cq_moderation attr;
1176 	__u32 reserved;
1177 };
1178 
1179 #define IB_DEVICE_NAME_MAX 64
1180 
1181 #endif /* IB_USER_VERBS_H */
1182