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1/*
2 * Copyright (c) 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
4 * Copyright (c) 2005 PathScale, Inc. All rights reserved.
5 * Copyright (c) 2006 Mellanox Technologies. All rights reserved.
6 *
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
12 *
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
15 * conditions are met:
16 *
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer.
20 *
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * SOFTWARE.
34 */
35
36#ifndef IB_USER_VERBS_H
37#define IB_USER_VERBS_H
38
39#include <linux/types.h>
40
41/*
42 * Increment this value if any changes that break userspace ABI
43 * compatibility are made.
44 */
45#define IB_USER_VERBS_ABI_VERSION 6
46
47enum {
48 IB_USER_VERBS_CMD_GET_CONTEXT,
49 IB_USER_VERBS_CMD_QUERY_DEVICE,
50 IB_USER_VERBS_CMD_QUERY_PORT,
51 IB_USER_VERBS_CMD_ALLOC_PD,
52 IB_USER_VERBS_CMD_DEALLOC_PD,
53 IB_USER_VERBS_CMD_CREATE_AH,
54 IB_USER_VERBS_CMD_MODIFY_AH,
55 IB_USER_VERBS_CMD_QUERY_AH,
56 IB_USER_VERBS_CMD_DESTROY_AH,
57 IB_USER_VERBS_CMD_REG_MR,
58 IB_USER_VERBS_CMD_REG_SMR,
59 IB_USER_VERBS_CMD_REREG_MR,
60 IB_USER_VERBS_CMD_QUERY_MR,
61 IB_USER_VERBS_CMD_DEREG_MR,
62 IB_USER_VERBS_CMD_ALLOC_MW,
63 IB_USER_VERBS_CMD_BIND_MW,
64 IB_USER_VERBS_CMD_DEALLOC_MW,
65 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
66 IB_USER_VERBS_CMD_CREATE_CQ,
67 IB_USER_VERBS_CMD_RESIZE_CQ,
68 IB_USER_VERBS_CMD_DESTROY_CQ,
69 IB_USER_VERBS_CMD_POLL_CQ,
70 IB_USER_VERBS_CMD_PEEK_CQ,
71 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
72 IB_USER_VERBS_CMD_CREATE_QP,
73 IB_USER_VERBS_CMD_QUERY_QP,
74 IB_USER_VERBS_CMD_MODIFY_QP,
75 IB_USER_VERBS_CMD_DESTROY_QP,
76 IB_USER_VERBS_CMD_POST_SEND,
77 IB_USER_VERBS_CMD_POST_RECV,
78 IB_USER_VERBS_CMD_ATTACH_MCAST,
79 IB_USER_VERBS_CMD_DETACH_MCAST,
80 IB_USER_VERBS_CMD_CREATE_SRQ,
81 IB_USER_VERBS_CMD_MODIFY_SRQ,
82 IB_USER_VERBS_CMD_QUERY_SRQ,
83 IB_USER_VERBS_CMD_DESTROY_SRQ,
84 IB_USER_VERBS_CMD_POST_SRQ_RECV
85};
86
87/*
88 * Make sure that all structs defined in this file remain laid out so
89 * that they pack the same way on 32-bit and 64-bit architectures (to
90 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
91 * Specifically:
92 * - Do not use pointer types -- pass pointers in __u64 instead.
93 * - Make sure that any structure larger than 4 bytes is padded to a
94 * multiple of 8 bytes. Otherwise the structure size will be
95 * different between 32-bit and 64-bit architectures.
96 */
97
98struct ib_uverbs_async_event_desc {
99 __u64 element;
100 __u32 event_type; /* enum ib_event_type */
101 __u32 reserved;
102};
103
104struct ib_uverbs_comp_event_desc {
105 __u64 cq_handle;
106};
107
108/*
109 * All commands from userspace should start with a __u32 command field
110 * followed by __u16 in_words and out_words fields (which give the
111 * length of the command block and response buffer if any in 32-bit
112 * words). The kernel driver will read these fields first and read
113 * the rest of the command struct based on these value.
114 */
115
116struct ib_uverbs_cmd_hdr {
117 __u32 command;
118 __u16 in_words;
119 __u16 out_words;
120};
121
122struct ib_uverbs_get_context {
123 __u64 response;
124 __u64 driver_data[0];
125};
126
127struct ib_uverbs_get_context_resp {
128 __u32 async_fd;
129 __u32 num_comp_vectors;
130};
131
132struct ib_uverbs_query_device {
133 __u64 response;
134 __u64 driver_data[0];
135};
136
137struct ib_uverbs_query_device_resp {
138 __u64 fw_ver;
139 __be64 node_guid;
140 __be64 sys_image_guid;
141 __u64 max_mr_size;
142 __u64 page_size_cap;
143 __u32 vendor_id;
144 __u32 vendor_part_id;
145 __u32 hw_ver;
146 __u32 max_qp;
147 __u32 max_qp_wr;
148 __u32 device_cap_flags;
149 __u32 max_sge;
150 __u32 max_sge_rd;
151 __u32 max_cq;
152 __u32 max_cqe;
153 __u32 max_mr;
154 __u32 max_pd;
155 __u32 max_qp_rd_atom;
156 __u32 max_ee_rd_atom;
157 __u32 max_res_rd_atom;
158 __u32 max_qp_init_rd_atom;
159 __u32 max_ee_init_rd_atom;
160 __u32 atomic_cap;
161 __u32 max_ee;
162 __u32 max_rdd;
163 __u32 max_mw;
164 __u32 max_raw_ipv6_qp;
165 __u32 max_raw_ethy_qp;
166 __u32 max_mcast_grp;
167 __u32 max_mcast_qp_attach;
168 __u32 max_total_mcast_qp_attach;
169 __u32 max_ah;
170 __u32 max_fmr;
171 __u32 max_map_per_fmr;
172 __u32 max_srq;
173 __u32 max_srq_wr;
174 __u32 max_srq_sge;
175 __u16 max_pkeys;
176 __u8 local_ca_ack_delay;
177 __u8 phys_port_cnt;
178 __u8 reserved[4];
179};
180
181struct ib_uverbs_query_port {
182 __u64 response;
183 __u8 port_num;
184 __u8 reserved[7];
185 __u64 driver_data[0];
186};
187
188struct ib_uverbs_query_port_resp {
189 __u32 port_cap_flags;
190 __u32 max_msg_sz;
191 __u32 bad_pkey_cntr;
192 __u32 qkey_viol_cntr;
193 __u32 gid_tbl_len;
194 __u16 pkey_tbl_len;
195 __u16 lid;
196 __u16 sm_lid;
197 __u8 state;
198 __u8 max_mtu;
199 __u8 active_mtu;
200 __u8 lmc;
201 __u8 max_vl_num;
202 __u8 sm_sl;
203 __u8 subnet_timeout;
204 __u8 init_type_reply;
205 __u8 active_width;
206 __u8 active_speed;
207 __u8 phys_state;
208 __u8 link_layer;
209 __u8 reserved[2];
210};
211
212struct ib_uverbs_alloc_pd {
213 __u64 response;
214 __u64 driver_data[0];
215};
216
217struct ib_uverbs_alloc_pd_resp {
218 __u32 pd_handle;
219};
220
221struct ib_uverbs_dealloc_pd {
222 __u32 pd_handle;
223};
224
225struct ib_uverbs_reg_mr {
226 __u64 response;
227 __u64 start;
228 __u64 length;
229 __u64 hca_va;
230 __u32 pd_handle;
231 __u32 access_flags;
232 __u64 driver_data[0];
233};
234
235struct ib_uverbs_reg_mr_resp {
236 __u32 mr_handle;
237 __u32 lkey;
238 __u32 rkey;
239};
240
241struct ib_uverbs_dereg_mr {
242 __u32 mr_handle;
243};
244
245struct ib_uverbs_create_comp_channel {
246 __u64 response;
247};
248
249struct ib_uverbs_create_comp_channel_resp {
250 __u32 fd;
251};
252
253struct ib_uverbs_create_cq {
254 __u64 response;
255 __u64 user_handle;
256 __u32 cqe;
257 __u32 comp_vector;
258 __s32 comp_channel;
259 __u32 reserved;
260 __u64 driver_data[0];
261};
262
263struct ib_uverbs_create_cq_resp {
264 __u32 cq_handle;
265 __u32 cqe;
266};
267
268struct ib_uverbs_resize_cq {
269 __u64 response;
270 __u32 cq_handle;
271 __u32 cqe;
272 __u64 driver_data[0];
273};
274
275struct ib_uverbs_resize_cq_resp {
276 __u32 cqe;
277 __u32 reserved;
278 __u64 driver_data[0];
279};
280
281struct ib_uverbs_poll_cq {
282 __u64 response;
283 __u32 cq_handle;
284 __u32 ne;
285};
286
287struct ib_uverbs_wc {
288 __u64 wr_id;
289 __u32 status;
290 __u32 opcode;
291 __u32 vendor_err;
292 __u32 byte_len;
293 union {
294 __u32 imm_data;
295 __u32 invalidate_rkey;
296 } ex;
297 __u32 qp_num;
298 __u32 src_qp;
299 __u32 wc_flags;
300 __u16 pkey_index;
301 __u16 slid;
302 __u8 sl;
303 __u8 dlid_path_bits;
304 __u8 port_num;
305 __u8 reserved;
306};
307
308struct ib_uverbs_poll_cq_resp {
309 __u32 count;
310 __u32 reserved;
311 struct ib_uverbs_wc wc[0];
312};
313
314struct ib_uverbs_req_notify_cq {
315 __u32 cq_handle;
316 __u32 solicited_only;
317};
318
319struct ib_uverbs_destroy_cq {
320 __u64 response;
321 __u32 cq_handle;
322 __u32 reserved;
323};
324
325struct ib_uverbs_destroy_cq_resp {
326 __u32 comp_events_reported;
327 __u32 async_events_reported;
328};
329
330struct ib_uverbs_global_route {
331 __u8 dgid[16];
332 __u32 flow_label;
333 __u8 sgid_index;
334 __u8 hop_limit;
335 __u8 traffic_class;
336 __u8 reserved;
337};
338
339struct ib_uverbs_ah_attr {
340 struct ib_uverbs_global_route grh;
341 __u16 dlid;
342 __u8 sl;
343 __u8 src_path_bits;
344 __u8 static_rate;
345 __u8 is_global;
346 __u8 port_num;
347 __u8 reserved;
348};
349
350struct ib_uverbs_qp_attr {
351 __u32 qp_attr_mask;
352 __u32 qp_state;
353 __u32 cur_qp_state;
354 __u32 path_mtu;
355 __u32 path_mig_state;
356 __u32 qkey;
357 __u32 rq_psn;
358 __u32 sq_psn;
359 __u32 dest_qp_num;
360 __u32 qp_access_flags;
361
362 struct ib_uverbs_ah_attr ah_attr;
363 struct ib_uverbs_ah_attr alt_ah_attr;
364
365 /* ib_qp_cap */
366 __u32 max_send_wr;
367 __u32 max_recv_wr;
368 __u32 max_send_sge;
369 __u32 max_recv_sge;
370 __u32 max_inline_data;
371
372 __u16 pkey_index;
373 __u16 alt_pkey_index;
374 __u8 en_sqd_async_notify;
375 __u8 sq_draining;
376 __u8 max_rd_atomic;
377 __u8 max_dest_rd_atomic;
378 __u8 min_rnr_timer;
379 __u8 port_num;
380 __u8 timeout;
381 __u8 retry_cnt;
382 __u8 rnr_retry;
383 __u8 alt_port_num;
384 __u8 alt_timeout;
385 __u8 reserved[5];
386};
387
388struct ib_uverbs_create_qp {
389 __u64 response;
390 __u64 user_handle;
391 __u32 pd_handle;
392 __u32 send_cq_handle;
393 __u32 recv_cq_handle;
394 __u32 srq_handle;
395 __u32 max_send_wr;
396 __u32 max_recv_wr;
397 __u32 max_send_sge;
398 __u32 max_recv_sge;
399 __u32 max_inline_data;
400 __u8 sq_sig_all;
401 __u8 qp_type;
402 __u8 is_srq;
403 __u8 reserved;
404 __u64 driver_data[0];
405};
406
407struct ib_uverbs_create_qp_resp {
408 __u32 qp_handle;
409 __u32 qpn;
410 __u32 max_send_wr;
411 __u32 max_recv_wr;
412 __u32 max_send_sge;
413 __u32 max_recv_sge;
414 __u32 max_inline_data;
415 __u32 reserved;
416};
417
418/*
419 * This struct needs to remain a multiple of 8 bytes to keep the
420 * alignment of the modify QP parameters.
421 */
422struct ib_uverbs_qp_dest {
423 __u8 dgid[16];
424 __u32 flow_label;
425 __u16 dlid;
426 __u16 reserved;
427 __u8 sgid_index;
428 __u8 hop_limit;
429 __u8 traffic_class;
430 __u8 sl;
431 __u8 src_path_bits;
432 __u8 static_rate;
433 __u8 is_global;
434 __u8 port_num;
435};
436
437struct ib_uverbs_query_qp {
438 __u64 response;
439 __u32 qp_handle;
440 __u32 attr_mask;
441 __u64 driver_data[0];
442};
443
444struct ib_uverbs_query_qp_resp {
445 struct ib_uverbs_qp_dest dest;
446 struct ib_uverbs_qp_dest alt_dest;
447 __u32 max_send_wr;
448 __u32 max_recv_wr;
449 __u32 max_send_sge;
450 __u32 max_recv_sge;
451 __u32 max_inline_data;
452 __u32 qkey;
453 __u32 rq_psn;
454 __u32 sq_psn;
455 __u32 dest_qp_num;
456 __u32 qp_access_flags;
457 __u16 pkey_index;
458 __u16 alt_pkey_index;
459 __u8 qp_state;
460 __u8 cur_qp_state;
461 __u8 path_mtu;
462 __u8 path_mig_state;
463 __u8 sq_draining;
464 __u8 max_rd_atomic;
465 __u8 max_dest_rd_atomic;
466 __u8 min_rnr_timer;
467 __u8 port_num;
468 __u8 timeout;
469 __u8 retry_cnt;
470 __u8 rnr_retry;
471 __u8 alt_port_num;
472 __u8 alt_timeout;
473 __u8 sq_sig_all;
474 __u8 reserved[5];
475 __u64 driver_data[0];
476};
477
478struct ib_uverbs_modify_qp {
479 struct ib_uverbs_qp_dest dest;
480 struct ib_uverbs_qp_dest alt_dest;
481 __u32 qp_handle;
482 __u32 attr_mask;
483 __u32 qkey;
484 __u32 rq_psn;
485 __u32 sq_psn;
486 __u32 dest_qp_num;
487 __u32 qp_access_flags;
488 __u16 pkey_index;
489 __u16 alt_pkey_index;
490 __u8 qp_state;
491 __u8 cur_qp_state;
492 __u8 path_mtu;
493 __u8 path_mig_state;
494 __u8 en_sqd_async_notify;
495 __u8 max_rd_atomic;
496 __u8 max_dest_rd_atomic;
497 __u8 min_rnr_timer;
498 __u8 port_num;
499 __u8 timeout;
500 __u8 retry_cnt;
501 __u8 rnr_retry;
502 __u8 alt_port_num;
503 __u8 alt_timeout;
504 __u8 reserved[2];
505 __u64 driver_data[0];
506};
507
508struct ib_uverbs_modify_qp_resp {
509};
510
511struct ib_uverbs_destroy_qp {
512 __u64 response;
513 __u32 qp_handle;
514 __u32 reserved;
515};
516
517struct ib_uverbs_destroy_qp_resp {
518 __u32 events_reported;
519};
520
521/*
522 * The ib_uverbs_sge structure isn't used anywhere, since we assume
523 * the ib_sge structure is packed the same way on 32-bit and 64-bit
524 * architectures in both kernel and user space. It's just here to
525 * document the ABI.
526 */
527struct ib_uverbs_sge {
528 __u64 addr;
529 __u32 length;
530 __u32 lkey;
531};
532
533struct ib_uverbs_send_wr {
534 __u64 wr_id;
535 __u32 num_sge;
536 __u32 opcode;
537 __u32 send_flags;
538 union {
539 __u32 imm_data;
540 __u32 invalidate_rkey;
541 } ex;
542 union {
543 struct {
544 __u64 remote_addr;
545 __u32 rkey;
546 __u32 reserved;
547 } rdma;
548 struct {
549 __u64 remote_addr;
550 __u64 compare_add;
551 __u64 swap;
552 __u32 rkey;
553 __u32 reserved;
554 } atomic;
555 struct {
556 __u32 ah;
557 __u32 remote_qpn;
558 __u32 remote_qkey;
559 __u32 reserved;
560 } ud;
561 } wr;
562};
563
564struct ib_uverbs_post_send {
565 __u64 response;
566 __u32 qp_handle;
567 __u32 wr_count;
568 __u32 sge_count;
569 __u32 wqe_size;
570 struct ib_uverbs_send_wr send_wr[0];
571};
572
573struct ib_uverbs_post_send_resp {
574 __u32 bad_wr;
575};
576
577struct ib_uverbs_recv_wr {
578 __u64 wr_id;
579 __u32 num_sge;
580 __u32 reserved;
581};
582
583struct ib_uverbs_post_recv {
584 __u64 response;
585 __u32 qp_handle;
586 __u32 wr_count;
587 __u32 sge_count;
588 __u32 wqe_size;
589 struct ib_uverbs_recv_wr recv_wr[0];
590};
591
592struct ib_uverbs_post_recv_resp {
593 __u32 bad_wr;
594};
595
596struct ib_uverbs_post_srq_recv {
597 __u64 response;
598 __u32 srq_handle;
599 __u32 wr_count;
600 __u32 sge_count;
601 __u32 wqe_size;
602 struct ib_uverbs_recv_wr recv[0];
603};
604
605struct ib_uverbs_post_srq_recv_resp {
606 __u32 bad_wr;
607};
608
609struct ib_uverbs_create_ah {
610 __u64 response;
611 __u64 user_handle;
612 __u32 pd_handle;
613 __u32 reserved;
614 struct ib_uverbs_ah_attr attr;
615};
616
617struct ib_uverbs_create_ah_resp {
618 __u32 ah_handle;
619};
620
621struct ib_uverbs_destroy_ah {
622 __u32 ah_handle;
623};
624
625struct ib_uverbs_attach_mcast {
626 __u8 gid[16];
627 __u32 qp_handle;
628 __u16 mlid;
629 __u16 reserved;
630 __u64 driver_data[0];
631};
632
633struct ib_uverbs_detach_mcast {
634 __u8 gid[16];
635 __u32 qp_handle;
636 __u16 mlid;
637 __u16 reserved;
638 __u64 driver_data[0];
639};
640
641struct ib_uverbs_create_srq {
642 __u64 response;
643 __u64 user_handle;
644 __u32 pd_handle;
645 __u32 max_wr;
646 __u32 max_sge;
647 __u32 srq_limit;
648 __u64 driver_data[0];
649};
650
651struct ib_uverbs_create_srq_resp {
652 __u32 srq_handle;
653 __u32 max_wr;
654 __u32 max_sge;
655 __u32 reserved;
656};
657
658struct ib_uverbs_modify_srq {
659 __u32 srq_handle;
660 __u32 attr_mask;
661 __u32 max_wr;
662 __u32 srq_limit;
663 __u64 driver_data[0];
664};
665
666struct ib_uverbs_query_srq {
667 __u64 response;
668 __u32 srq_handle;
669 __u32 reserved;
670 __u64 driver_data[0];
671};
672
673struct ib_uverbs_query_srq_resp {
674 __u32 max_wr;
675 __u32 max_sge;
676 __u32 srq_limit;
677 __u32 reserved;
678};
679
680struct ib_uverbs_destroy_srq {
681 __u64 response;
682 __u32 srq_handle;
683 __u32 reserved;
684};
685
686struct ib_uverbs_destroy_srq_resp {
687 __u32 events_reported;
688};
689
690#endif /* IB_USER_VERBS_H */
1/*
2 * Copyright (c) 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
4 * Copyright (c) 2005 PathScale, Inc. All rights reserved.
5 * Copyright (c) 2006 Mellanox Technologies. All rights reserved.
6 *
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
12 *
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
15 * conditions are met:
16 *
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer.
20 *
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * SOFTWARE.
34 */
35
36#ifndef IB_USER_VERBS_H
37#define IB_USER_VERBS_H
38
39#include <linux/types.h>
40
41/*
42 * Increment this value if any changes that break userspace ABI
43 * compatibility are made.
44 */
45#define IB_USER_VERBS_ABI_VERSION 6
46
47enum {
48 IB_USER_VERBS_CMD_GET_CONTEXT,
49 IB_USER_VERBS_CMD_QUERY_DEVICE,
50 IB_USER_VERBS_CMD_QUERY_PORT,
51 IB_USER_VERBS_CMD_ALLOC_PD,
52 IB_USER_VERBS_CMD_DEALLOC_PD,
53 IB_USER_VERBS_CMD_CREATE_AH,
54 IB_USER_VERBS_CMD_MODIFY_AH,
55 IB_USER_VERBS_CMD_QUERY_AH,
56 IB_USER_VERBS_CMD_DESTROY_AH,
57 IB_USER_VERBS_CMD_REG_MR,
58 IB_USER_VERBS_CMD_REG_SMR,
59 IB_USER_VERBS_CMD_REREG_MR,
60 IB_USER_VERBS_CMD_QUERY_MR,
61 IB_USER_VERBS_CMD_DEREG_MR,
62 IB_USER_VERBS_CMD_ALLOC_MW,
63 IB_USER_VERBS_CMD_BIND_MW,
64 IB_USER_VERBS_CMD_DEALLOC_MW,
65 IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
66 IB_USER_VERBS_CMD_CREATE_CQ,
67 IB_USER_VERBS_CMD_RESIZE_CQ,
68 IB_USER_VERBS_CMD_DESTROY_CQ,
69 IB_USER_VERBS_CMD_POLL_CQ,
70 IB_USER_VERBS_CMD_PEEK_CQ,
71 IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
72 IB_USER_VERBS_CMD_CREATE_QP,
73 IB_USER_VERBS_CMD_QUERY_QP,
74 IB_USER_VERBS_CMD_MODIFY_QP,
75 IB_USER_VERBS_CMD_DESTROY_QP,
76 IB_USER_VERBS_CMD_POST_SEND,
77 IB_USER_VERBS_CMD_POST_RECV,
78 IB_USER_VERBS_CMD_ATTACH_MCAST,
79 IB_USER_VERBS_CMD_DETACH_MCAST,
80 IB_USER_VERBS_CMD_CREATE_SRQ,
81 IB_USER_VERBS_CMD_MODIFY_SRQ,
82 IB_USER_VERBS_CMD_QUERY_SRQ,
83 IB_USER_VERBS_CMD_DESTROY_SRQ,
84 IB_USER_VERBS_CMD_POST_SRQ_RECV,
85 IB_USER_VERBS_CMD_OPEN_XRCD,
86 IB_USER_VERBS_CMD_CLOSE_XRCD,
87 IB_USER_VERBS_CMD_CREATE_XSRQ,
88 IB_USER_VERBS_CMD_OPEN_QP
89};
90
91/*
92 * Make sure that all structs defined in this file remain laid out so
93 * that they pack the same way on 32-bit and 64-bit architectures (to
94 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
95 * Specifically:
96 * - Do not use pointer types -- pass pointers in __u64 instead.
97 * - Make sure that any structure larger than 4 bytes is padded to a
98 * multiple of 8 bytes. Otherwise the structure size will be
99 * different between 32-bit and 64-bit architectures.
100 */
101
102struct ib_uverbs_async_event_desc {
103 __u64 element;
104 __u32 event_type; /* enum ib_event_type */
105 __u32 reserved;
106};
107
108struct ib_uverbs_comp_event_desc {
109 __u64 cq_handle;
110};
111
112/*
113 * All commands from userspace should start with a __u32 command field
114 * followed by __u16 in_words and out_words fields (which give the
115 * length of the command block and response buffer if any in 32-bit
116 * words). The kernel driver will read these fields first and read
117 * the rest of the command struct based on these value.
118 */
119
120struct ib_uverbs_cmd_hdr {
121 __u32 command;
122 __u16 in_words;
123 __u16 out_words;
124};
125
126struct ib_uverbs_get_context {
127 __u64 response;
128 __u64 driver_data[0];
129};
130
131struct ib_uverbs_get_context_resp {
132 __u32 async_fd;
133 __u32 num_comp_vectors;
134};
135
136struct ib_uverbs_query_device {
137 __u64 response;
138 __u64 driver_data[0];
139};
140
141struct ib_uverbs_query_device_resp {
142 __u64 fw_ver;
143 __be64 node_guid;
144 __be64 sys_image_guid;
145 __u64 max_mr_size;
146 __u64 page_size_cap;
147 __u32 vendor_id;
148 __u32 vendor_part_id;
149 __u32 hw_ver;
150 __u32 max_qp;
151 __u32 max_qp_wr;
152 __u32 device_cap_flags;
153 __u32 max_sge;
154 __u32 max_sge_rd;
155 __u32 max_cq;
156 __u32 max_cqe;
157 __u32 max_mr;
158 __u32 max_pd;
159 __u32 max_qp_rd_atom;
160 __u32 max_ee_rd_atom;
161 __u32 max_res_rd_atom;
162 __u32 max_qp_init_rd_atom;
163 __u32 max_ee_init_rd_atom;
164 __u32 atomic_cap;
165 __u32 max_ee;
166 __u32 max_rdd;
167 __u32 max_mw;
168 __u32 max_raw_ipv6_qp;
169 __u32 max_raw_ethy_qp;
170 __u32 max_mcast_grp;
171 __u32 max_mcast_qp_attach;
172 __u32 max_total_mcast_qp_attach;
173 __u32 max_ah;
174 __u32 max_fmr;
175 __u32 max_map_per_fmr;
176 __u32 max_srq;
177 __u32 max_srq_wr;
178 __u32 max_srq_sge;
179 __u16 max_pkeys;
180 __u8 local_ca_ack_delay;
181 __u8 phys_port_cnt;
182 __u8 reserved[4];
183};
184
185struct ib_uverbs_query_port {
186 __u64 response;
187 __u8 port_num;
188 __u8 reserved[7];
189 __u64 driver_data[0];
190};
191
192struct ib_uverbs_query_port_resp {
193 __u32 port_cap_flags;
194 __u32 max_msg_sz;
195 __u32 bad_pkey_cntr;
196 __u32 qkey_viol_cntr;
197 __u32 gid_tbl_len;
198 __u16 pkey_tbl_len;
199 __u16 lid;
200 __u16 sm_lid;
201 __u8 state;
202 __u8 max_mtu;
203 __u8 active_mtu;
204 __u8 lmc;
205 __u8 max_vl_num;
206 __u8 sm_sl;
207 __u8 subnet_timeout;
208 __u8 init_type_reply;
209 __u8 active_width;
210 __u8 active_speed;
211 __u8 phys_state;
212 __u8 link_layer;
213 __u8 reserved[2];
214};
215
216struct ib_uverbs_alloc_pd {
217 __u64 response;
218 __u64 driver_data[0];
219};
220
221struct ib_uverbs_alloc_pd_resp {
222 __u32 pd_handle;
223};
224
225struct ib_uverbs_dealloc_pd {
226 __u32 pd_handle;
227};
228
229struct ib_uverbs_open_xrcd {
230 __u64 response;
231 __u32 fd;
232 __u32 oflags;
233 __u64 driver_data[0];
234};
235
236struct ib_uverbs_open_xrcd_resp {
237 __u32 xrcd_handle;
238};
239
240struct ib_uverbs_close_xrcd {
241 __u32 xrcd_handle;
242};
243
244struct ib_uverbs_reg_mr {
245 __u64 response;
246 __u64 start;
247 __u64 length;
248 __u64 hca_va;
249 __u32 pd_handle;
250 __u32 access_flags;
251 __u64 driver_data[0];
252};
253
254struct ib_uverbs_reg_mr_resp {
255 __u32 mr_handle;
256 __u32 lkey;
257 __u32 rkey;
258};
259
260struct ib_uverbs_dereg_mr {
261 __u32 mr_handle;
262};
263
264struct ib_uverbs_create_comp_channel {
265 __u64 response;
266};
267
268struct ib_uverbs_create_comp_channel_resp {
269 __u32 fd;
270};
271
272struct ib_uverbs_create_cq {
273 __u64 response;
274 __u64 user_handle;
275 __u32 cqe;
276 __u32 comp_vector;
277 __s32 comp_channel;
278 __u32 reserved;
279 __u64 driver_data[0];
280};
281
282struct ib_uverbs_create_cq_resp {
283 __u32 cq_handle;
284 __u32 cqe;
285};
286
287struct ib_uverbs_resize_cq {
288 __u64 response;
289 __u32 cq_handle;
290 __u32 cqe;
291 __u64 driver_data[0];
292};
293
294struct ib_uverbs_resize_cq_resp {
295 __u32 cqe;
296 __u32 reserved;
297 __u64 driver_data[0];
298};
299
300struct ib_uverbs_poll_cq {
301 __u64 response;
302 __u32 cq_handle;
303 __u32 ne;
304};
305
306struct ib_uverbs_wc {
307 __u64 wr_id;
308 __u32 status;
309 __u32 opcode;
310 __u32 vendor_err;
311 __u32 byte_len;
312 union {
313 __u32 imm_data;
314 __u32 invalidate_rkey;
315 } ex;
316 __u32 qp_num;
317 __u32 src_qp;
318 __u32 wc_flags;
319 __u16 pkey_index;
320 __u16 slid;
321 __u8 sl;
322 __u8 dlid_path_bits;
323 __u8 port_num;
324 __u8 reserved;
325};
326
327struct ib_uverbs_poll_cq_resp {
328 __u32 count;
329 __u32 reserved;
330 struct ib_uverbs_wc wc[0];
331};
332
333struct ib_uverbs_req_notify_cq {
334 __u32 cq_handle;
335 __u32 solicited_only;
336};
337
338struct ib_uverbs_destroy_cq {
339 __u64 response;
340 __u32 cq_handle;
341 __u32 reserved;
342};
343
344struct ib_uverbs_destroy_cq_resp {
345 __u32 comp_events_reported;
346 __u32 async_events_reported;
347};
348
349struct ib_uverbs_global_route {
350 __u8 dgid[16];
351 __u32 flow_label;
352 __u8 sgid_index;
353 __u8 hop_limit;
354 __u8 traffic_class;
355 __u8 reserved;
356};
357
358struct ib_uverbs_ah_attr {
359 struct ib_uverbs_global_route grh;
360 __u16 dlid;
361 __u8 sl;
362 __u8 src_path_bits;
363 __u8 static_rate;
364 __u8 is_global;
365 __u8 port_num;
366 __u8 reserved;
367};
368
369struct ib_uverbs_qp_attr {
370 __u32 qp_attr_mask;
371 __u32 qp_state;
372 __u32 cur_qp_state;
373 __u32 path_mtu;
374 __u32 path_mig_state;
375 __u32 qkey;
376 __u32 rq_psn;
377 __u32 sq_psn;
378 __u32 dest_qp_num;
379 __u32 qp_access_flags;
380
381 struct ib_uverbs_ah_attr ah_attr;
382 struct ib_uverbs_ah_attr alt_ah_attr;
383
384 /* ib_qp_cap */
385 __u32 max_send_wr;
386 __u32 max_recv_wr;
387 __u32 max_send_sge;
388 __u32 max_recv_sge;
389 __u32 max_inline_data;
390
391 __u16 pkey_index;
392 __u16 alt_pkey_index;
393 __u8 en_sqd_async_notify;
394 __u8 sq_draining;
395 __u8 max_rd_atomic;
396 __u8 max_dest_rd_atomic;
397 __u8 min_rnr_timer;
398 __u8 port_num;
399 __u8 timeout;
400 __u8 retry_cnt;
401 __u8 rnr_retry;
402 __u8 alt_port_num;
403 __u8 alt_timeout;
404 __u8 reserved[5];
405};
406
407struct ib_uverbs_create_qp {
408 __u64 response;
409 __u64 user_handle;
410 __u32 pd_handle;
411 __u32 send_cq_handle;
412 __u32 recv_cq_handle;
413 __u32 srq_handle;
414 __u32 max_send_wr;
415 __u32 max_recv_wr;
416 __u32 max_send_sge;
417 __u32 max_recv_sge;
418 __u32 max_inline_data;
419 __u8 sq_sig_all;
420 __u8 qp_type;
421 __u8 is_srq;
422 __u8 reserved;
423 __u64 driver_data[0];
424};
425
426struct ib_uverbs_open_qp {
427 __u64 response;
428 __u64 user_handle;
429 __u32 pd_handle;
430 __u32 qpn;
431 __u8 qp_type;
432 __u8 reserved[7];
433 __u64 driver_data[0];
434};
435
436/* also used for open response */
437struct ib_uverbs_create_qp_resp {
438 __u32 qp_handle;
439 __u32 qpn;
440 __u32 max_send_wr;
441 __u32 max_recv_wr;
442 __u32 max_send_sge;
443 __u32 max_recv_sge;
444 __u32 max_inline_data;
445 __u32 reserved;
446};
447
448/*
449 * This struct needs to remain a multiple of 8 bytes to keep the
450 * alignment of the modify QP parameters.
451 */
452struct ib_uverbs_qp_dest {
453 __u8 dgid[16];
454 __u32 flow_label;
455 __u16 dlid;
456 __u16 reserved;
457 __u8 sgid_index;
458 __u8 hop_limit;
459 __u8 traffic_class;
460 __u8 sl;
461 __u8 src_path_bits;
462 __u8 static_rate;
463 __u8 is_global;
464 __u8 port_num;
465};
466
467struct ib_uverbs_query_qp {
468 __u64 response;
469 __u32 qp_handle;
470 __u32 attr_mask;
471 __u64 driver_data[0];
472};
473
474struct ib_uverbs_query_qp_resp {
475 struct ib_uverbs_qp_dest dest;
476 struct ib_uverbs_qp_dest alt_dest;
477 __u32 max_send_wr;
478 __u32 max_recv_wr;
479 __u32 max_send_sge;
480 __u32 max_recv_sge;
481 __u32 max_inline_data;
482 __u32 qkey;
483 __u32 rq_psn;
484 __u32 sq_psn;
485 __u32 dest_qp_num;
486 __u32 qp_access_flags;
487 __u16 pkey_index;
488 __u16 alt_pkey_index;
489 __u8 qp_state;
490 __u8 cur_qp_state;
491 __u8 path_mtu;
492 __u8 path_mig_state;
493 __u8 sq_draining;
494 __u8 max_rd_atomic;
495 __u8 max_dest_rd_atomic;
496 __u8 min_rnr_timer;
497 __u8 port_num;
498 __u8 timeout;
499 __u8 retry_cnt;
500 __u8 rnr_retry;
501 __u8 alt_port_num;
502 __u8 alt_timeout;
503 __u8 sq_sig_all;
504 __u8 reserved[5];
505 __u64 driver_data[0];
506};
507
508struct ib_uverbs_modify_qp {
509 struct ib_uverbs_qp_dest dest;
510 struct ib_uverbs_qp_dest alt_dest;
511 __u32 qp_handle;
512 __u32 attr_mask;
513 __u32 qkey;
514 __u32 rq_psn;
515 __u32 sq_psn;
516 __u32 dest_qp_num;
517 __u32 qp_access_flags;
518 __u16 pkey_index;
519 __u16 alt_pkey_index;
520 __u8 qp_state;
521 __u8 cur_qp_state;
522 __u8 path_mtu;
523 __u8 path_mig_state;
524 __u8 en_sqd_async_notify;
525 __u8 max_rd_atomic;
526 __u8 max_dest_rd_atomic;
527 __u8 min_rnr_timer;
528 __u8 port_num;
529 __u8 timeout;
530 __u8 retry_cnt;
531 __u8 rnr_retry;
532 __u8 alt_port_num;
533 __u8 alt_timeout;
534 __u8 reserved[2];
535 __u64 driver_data[0];
536};
537
538struct ib_uverbs_modify_qp_resp {
539};
540
541struct ib_uverbs_destroy_qp {
542 __u64 response;
543 __u32 qp_handle;
544 __u32 reserved;
545};
546
547struct ib_uverbs_destroy_qp_resp {
548 __u32 events_reported;
549};
550
551/*
552 * The ib_uverbs_sge structure isn't used anywhere, since we assume
553 * the ib_sge structure is packed the same way on 32-bit and 64-bit
554 * architectures in both kernel and user space. It's just here to
555 * document the ABI.
556 */
557struct ib_uverbs_sge {
558 __u64 addr;
559 __u32 length;
560 __u32 lkey;
561};
562
563struct ib_uverbs_send_wr {
564 __u64 wr_id;
565 __u32 num_sge;
566 __u32 opcode;
567 __u32 send_flags;
568 union {
569 __u32 imm_data;
570 __u32 invalidate_rkey;
571 } ex;
572 union {
573 struct {
574 __u64 remote_addr;
575 __u32 rkey;
576 __u32 reserved;
577 } rdma;
578 struct {
579 __u64 remote_addr;
580 __u64 compare_add;
581 __u64 swap;
582 __u32 rkey;
583 __u32 reserved;
584 } atomic;
585 struct {
586 __u32 ah;
587 __u32 remote_qpn;
588 __u32 remote_qkey;
589 __u32 reserved;
590 } ud;
591 } wr;
592};
593
594struct ib_uverbs_post_send {
595 __u64 response;
596 __u32 qp_handle;
597 __u32 wr_count;
598 __u32 sge_count;
599 __u32 wqe_size;
600 struct ib_uverbs_send_wr send_wr[0];
601};
602
603struct ib_uverbs_post_send_resp {
604 __u32 bad_wr;
605};
606
607struct ib_uverbs_recv_wr {
608 __u64 wr_id;
609 __u32 num_sge;
610 __u32 reserved;
611};
612
613struct ib_uverbs_post_recv {
614 __u64 response;
615 __u32 qp_handle;
616 __u32 wr_count;
617 __u32 sge_count;
618 __u32 wqe_size;
619 struct ib_uverbs_recv_wr recv_wr[0];
620};
621
622struct ib_uverbs_post_recv_resp {
623 __u32 bad_wr;
624};
625
626struct ib_uverbs_post_srq_recv {
627 __u64 response;
628 __u32 srq_handle;
629 __u32 wr_count;
630 __u32 sge_count;
631 __u32 wqe_size;
632 struct ib_uverbs_recv_wr recv[0];
633};
634
635struct ib_uverbs_post_srq_recv_resp {
636 __u32 bad_wr;
637};
638
639struct ib_uverbs_create_ah {
640 __u64 response;
641 __u64 user_handle;
642 __u32 pd_handle;
643 __u32 reserved;
644 struct ib_uverbs_ah_attr attr;
645};
646
647struct ib_uverbs_create_ah_resp {
648 __u32 ah_handle;
649};
650
651struct ib_uverbs_destroy_ah {
652 __u32 ah_handle;
653};
654
655struct ib_uverbs_attach_mcast {
656 __u8 gid[16];
657 __u32 qp_handle;
658 __u16 mlid;
659 __u16 reserved;
660 __u64 driver_data[0];
661};
662
663struct ib_uverbs_detach_mcast {
664 __u8 gid[16];
665 __u32 qp_handle;
666 __u16 mlid;
667 __u16 reserved;
668 __u64 driver_data[0];
669};
670
671struct ib_uverbs_create_srq {
672 __u64 response;
673 __u64 user_handle;
674 __u32 pd_handle;
675 __u32 max_wr;
676 __u32 max_sge;
677 __u32 srq_limit;
678 __u64 driver_data[0];
679};
680
681struct ib_uverbs_create_xsrq {
682 __u64 response;
683 __u64 user_handle;
684 __u32 srq_type;
685 __u32 pd_handle;
686 __u32 max_wr;
687 __u32 max_sge;
688 __u32 srq_limit;
689 __u32 reserved;
690 __u32 xrcd_handle;
691 __u32 cq_handle;
692 __u64 driver_data[0];
693};
694
695struct ib_uverbs_create_srq_resp {
696 __u32 srq_handle;
697 __u32 max_wr;
698 __u32 max_sge;
699 __u32 srqn;
700};
701
702struct ib_uverbs_modify_srq {
703 __u32 srq_handle;
704 __u32 attr_mask;
705 __u32 max_wr;
706 __u32 srq_limit;
707 __u64 driver_data[0];
708};
709
710struct ib_uverbs_query_srq {
711 __u64 response;
712 __u32 srq_handle;
713 __u32 reserved;
714 __u64 driver_data[0];
715};
716
717struct ib_uverbs_query_srq_resp {
718 __u32 max_wr;
719 __u32 max_sge;
720 __u32 srq_limit;
721 __u32 reserved;
722};
723
724struct ib_uverbs_destroy_srq {
725 __u64 response;
726 __u32 srq_handle;
727 __u32 reserved;
728};
729
730struct ib_uverbs_destroy_srq_resp {
731 __u32 events_reported;
732};
733
734#endif /* IB_USER_VERBS_H */