xref: /linux/include/uapi/rdma/ib_user_verbs.h (revision e58e871becec2d3b04ed91c0c16fe8deac9c9dfa)
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 #define IB_USER_VERBS_CMD_THRESHOLD    50
47 
48 enum {
49 	IB_USER_VERBS_CMD_GET_CONTEXT,
50 	IB_USER_VERBS_CMD_QUERY_DEVICE,
51 	IB_USER_VERBS_CMD_QUERY_PORT,
52 	IB_USER_VERBS_CMD_ALLOC_PD,
53 	IB_USER_VERBS_CMD_DEALLOC_PD,
54 	IB_USER_VERBS_CMD_CREATE_AH,
55 	IB_USER_VERBS_CMD_MODIFY_AH,
56 	IB_USER_VERBS_CMD_QUERY_AH,
57 	IB_USER_VERBS_CMD_DESTROY_AH,
58 	IB_USER_VERBS_CMD_REG_MR,
59 	IB_USER_VERBS_CMD_REG_SMR,
60 	IB_USER_VERBS_CMD_REREG_MR,
61 	IB_USER_VERBS_CMD_QUERY_MR,
62 	IB_USER_VERBS_CMD_DEREG_MR,
63 	IB_USER_VERBS_CMD_ALLOC_MW,
64 	IB_USER_VERBS_CMD_BIND_MW,
65 	IB_USER_VERBS_CMD_DEALLOC_MW,
66 	IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL,
67 	IB_USER_VERBS_CMD_CREATE_CQ,
68 	IB_USER_VERBS_CMD_RESIZE_CQ,
69 	IB_USER_VERBS_CMD_DESTROY_CQ,
70 	IB_USER_VERBS_CMD_POLL_CQ,
71 	IB_USER_VERBS_CMD_PEEK_CQ,
72 	IB_USER_VERBS_CMD_REQ_NOTIFY_CQ,
73 	IB_USER_VERBS_CMD_CREATE_QP,
74 	IB_USER_VERBS_CMD_QUERY_QP,
75 	IB_USER_VERBS_CMD_MODIFY_QP,
76 	IB_USER_VERBS_CMD_DESTROY_QP,
77 	IB_USER_VERBS_CMD_POST_SEND,
78 	IB_USER_VERBS_CMD_POST_RECV,
79 	IB_USER_VERBS_CMD_ATTACH_MCAST,
80 	IB_USER_VERBS_CMD_DETACH_MCAST,
81 	IB_USER_VERBS_CMD_CREATE_SRQ,
82 	IB_USER_VERBS_CMD_MODIFY_SRQ,
83 	IB_USER_VERBS_CMD_QUERY_SRQ,
84 	IB_USER_VERBS_CMD_DESTROY_SRQ,
85 	IB_USER_VERBS_CMD_POST_SRQ_RECV,
86 	IB_USER_VERBS_CMD_OPEN_XRCD,
87 	IB_USER_VERBS_CMD_CLOSE_XRCD,
88 	IB_USER_VERBS_CMD_CREATE_XSRQ,
89 	IB_USER_VERBS_CMD_OPEN_QP,
90 };
91 
92 enum {
93 	IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE,
94 	IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ,
95 	IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP,
96 	IB_USER_VERBS_EX_CMD_MODIFY_QP = IB_USER_VERBS_CMD_MODIFY_QP,
97 	IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
98 	IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
99 	IB_USER_VERBS_EX_CMD_CREATE_WQ,
100 	IB_USER_VERBS_EX_CMD_MODIFY_WQ,
101 	IB_USER_VERBS_EX_CMD_DESTROY_WQ,
102 	IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL,
103 	IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL
104 };
105 
106 /*
107  * Make sure that all structs defined in this file remain laid out so
108  * that they pack the same way on 32-bit and 64-bit architectures (to
109  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
110  * Specifically:
111  *  - Do not use pointer types -- pass pointers in __u64 instead.
112  *  - Make sure that any structure larger than 4 bytes is padded to a
113  *    multiple of 8 bytes.  Otherwise the structure size will be
114  *    different between 32-bit and 64-bit architectures.
115  */
116 
117 struct ib_uverbs_async_event_desc {
118 	__u64 element;
119 	__u32 event_type;	/* enum ib_event_type */
120 	__u32 reserved;
121 };
122 
123 struct ib_uverbs_comp_event_desc {
124 	__u64 cq_handle;
125 };
126 
127 /*
128  * All commands from userspace should start with a __u32 command field
129  * followed by __u16 in_words and out_words fields (which give the
130  * length of the command block and response buffer if any in 32-bit
131  * words).  The kernel driver will read these fields first and read
132  * the rest of the command struct based on these value.
133  */
134 
135 #define IB_USER_VERBS_CMD_COMMAND_MASK 0xff
136 #define IB_USER_VERBS_CMD_FLAGS_MASK 0xff000000u
137 #define IB_USER_VERBS_CMD_FLAGS_SHIFT 24
138 
139 #define IB_USER_VERBS_CMD_FLAG_EXTENDED 0x80
140 
141 struct ib_uverbs_cmd_hdr {
142 	__u32 command;
143 	__u16 in_words;
144 	__u16 out_words;
145 };
146 
147 struct ib_uverbs_ex_cmd_hdr {
148 	__u64 response;
149 	__u16 provider_in_words;
150 	__u16 provider_out_words;
151 	__u32 cmd_hdr_reserved;
152 };
153 
154 struct ib_uverbs_get_context {
155 	__u64 response;
156 	__u64 driver_data[0];
157 };
158 
159 struct ib_uverbs_get_context_resp {
160 	__u32 async_fd;
161 	__u32 num_comp_vectors;
162 };
163 
164 struct ib_uverbs_query_device {
165 	__u64 response;
166 	__u64 driver_data[0];
167 };
168 
169 struct ib_uverbs_query_device_resp {
170 	__u64 fw_ver;
171 	__be64 node_guid;
172 	__be64 sys_image_guid;
173 	__u64 max_mr_size;
174 	__u64 page_size_cap;
175 	__u32 vendor_id;
176 	__u32 vendor_part_id;
177 	__u32 hw_ver;
178 	__u32 max_qp;
179 	__u32 max_qp_wr;
180 	__u32 device_cap_flags;
181 	__u32 max_sge;
182 	__u32 max_sge_rd;
183 	__u32 max_cq;
184 	__u32 max_cqe;
185 	__u32 max_mr;
186 	__u32 max_pd;
187 	__u32 max_qp_rd_atom;
188 	__u32 max_ee_rd_atom;
189 	__u32 max_res_rd_atom;
190 	__u32 max_qp_init_rd_atom;
191 	__u32 max_ee_init_rd_atom;
192 	__u32 atomic_cap;
193 	__u32 max_ee;
194 	__u32 max_rdd;
195 	__u32 max_mw;
196 	__u32 max_raw_ipv6_qp;
197 	__u32 max_raw_ethy_qp;
198 	__u32 max_mcast_grp;
199 	__u32 max_mcast_qp_attach;
200 	__u32 max_total_mcast_qp_attach;
201 	__u32 max_ah;
202 	__u32 max_fmr;
203 	__u32 max_map_per_fmr;
204 	__u32 max_srq;
205 	__u32 max_srq_wr;
206 	__u32 max_srq_sge;
207 	__u16 max_pkeys;
208 	__u8  local_ca_ack_delay;
209 	__u8  phys_port_cnt;
210 	__u8  reserved[4];
211 };
212 
213 struct ib_uverbs_ex_query_device {
214 	__u32 comp_mask;
215 	__u32 reserved;
216 };
217 
218 struct ib_uverbs_odp_caps {
219 	__u64 general_caps;
220 	struct {
221 		__u32 rc_odp_caps;
222 		__u32 uc_odp_caps;
223 		__u32 ud_odp_caps;
224 	} per_transport_caps;
225 	__u32 reserved;
226 };
227 
228 struct ib_uverbs_rss_caps {
229 	/* Corresponding bit will be set if qp type from
230 	 * 'enum ib_qp_type' is supported, e.g.
231 	 * supported_qpts |= 1 << IB_QPT_UD
232 	 */
233 	__u32 supported_qpts;
234 	__u32 max_rwq_indirection_tables;
235 	__u32 max_rwq_indirection_table_size;
236 	__u32 reserved;
237 };
238 
239 struct ib_uverbs_ex_query_device_resp {
240 	struct ib_uverbs_query_device_resp base;
241 	__u32 comp_mask;
242 	__u32 response_length;
243 	struct ib_uverbs_odp_caps odp_caps;
244 	__u64 timestamp_mask;
245 	__u64 hca_core_clock; /* in KHZ */
246 	__u64 device_cap_flags_ex;
247 	struct ib_uverbs_rss_caps rss_caps;
248 	__u32  max_wq_type_rq;
249 	__u32 raw_packet_caps;
250 };
251 
252 struct ib_uverbs_query_port {
253 	__u64 response;
254 	__u8  port_num;
255 	__u8  reserved[7];
256 	__u64 driver_data[0];
257 };
258 
259 struct ib_uverbs_query_port_resp {
260 	__u32 port_cap_flags;
261 	__u32 max_msg_sz;
262 	__u32 bad_pkey_cntr;
263 	__u32 qkey_viol_cntr;
264 	__u32 gid_tbl_len;
265 	__u16 pkey_tbl_len;
266 	__u16 lid;
267 	__u16 sm_lid;
268 	__u8  state;
269 	__u8  max_mtu;
270 	__u8  active_mtu;
271 	__u8  lmc;
272 	__u8  max_vl_num;
273 	__u8  sm_sl;
274 	__u8  subnet_timeout;
275 	__u8  init_type_reply;
276 	__u8  active_width;
277 	__u8  active_speed;
278 	__u8  phys_state;
279 	__u8  link_layer;
280 	__u8  reserved[2];
281 };
282 
283 struct ib_uverbs_alloc_pd {
284 	__u64 response;
285 	__u64 driver_data[0];
286 };
287 
288 struct ib_uverbs_alloc_pd_resp {
289 	__u32 pd_handle;
290 };
291 
292 struct ib_uverbs_dealloc_pd {
293 	__u32 pd_handle;
294 };
295 
296 struct ib_uverbs_open_xrcd {
297 	__u64 response;
298 	__u32 fd;
299 	__u32 oflags;
300 	__u64 driver_data[0];
301 };
302 
303 struct ib_uverbs_open_xrcd_resp {
304 	__u32 xrcd_handle;
305 };
306 
307 struct ib_uverbs_close_xrcd {
308 	__u32 xrcd_handle;
309 };
310 
311 struct ib_uverbs_reg_mr {
312 	__u64 response;
313 	__u64 start;
314 	__u64 length;
315 	__u64 hca_va;
316 	__u32 pd_handle;
317 	__u32 access_flags;
318 	__u64 driver_data[0];
319 };
320 
321 struct ib_uverbs_reg_mr_resp {
322 	__u32 mr_handle;
323 	__u32 lkey;
324 	__u32 rkey;
325 };
326 
327 struct ib_uverbs_rereg_mr {
328 	__u64 response;
329 	__u32 mr_handle;
330 	__u32 flags;
331 	__u64 start;
332 	__u64 length;
333 	__u64 hca_va;
334 	__u32 pd_handle;
335 	__u32 access_flags;
336 };
337 
338 struct ib_uverbs_rereg_mr_resp {
339 	__u32 lkey;
340 	__u32 rkey;
341 };
342 
343 struct ib_uverbs_dereg_mr {
344 	__u32 mr_handle;
345 };
346 
347 struct ib_uverbs_alloc_mw {
348 	__u64 response;
349 	__u32 pd_handle;
350 	__u8  mw_type;
351 	__u8  reserved[3];
352 };
353 
354 struct ib_uverbs_alloc_mw_resp {
355 	__u32 mw_handle;
356 	__u32 rkey;
357 };
358 
359 struct ib_uverbs_dealloc_mw {
360 	__u32 mw_handle;
361 };
362 
363 struct ib_uverbs_create_comp_channel {
364 	__u64 response;
365 };
366 
367 struct ib_uverbs_create_comp_channel_resp {
368 	__u32 fd;
369 };
370 
371 struct ib_uverbs_create_cq {
372 	__u64 response;
373 	__u64 user_handle;
374 	__u32 cqe;
375 	__u32 comp_vector;
376 	__s32 comp_channel;
377 	__u32 reserved;
378 	__u64 driver_data[0];
379 };
380 
381 struct ib_uverbs_ex_create_cq {
382 	__u64 user_handle;
383 	__u32 cqe;
384 	__u32 comp_vector;
385 	__s32 comp_channel;
386 	__u32 comp_mask;
387 	__u32 flags;
388 	__u32 reserved;
389 };
390 
391 struct ib_uverbs_create_cq_resp {
392 	__u32 cq_handle;
393 	__u32 cqe;
394 };
395 
396 struct ib_uverbs_ex_create_cq_resp {
397 	struct ib_uverbs_create_cq_resp base;
398 	__u32 comp_mask;
399 	__u32 response_length;
400 };
401 
402 struct ib_uverbs_resize_cq {
403 	__u64 response;
404 	__u32 cq_handle;
405 	__u32 cqe;
406 	__u64 driver_data[0];
407 };
408 
409 struct ib_uverbs_resize_cq_resp {
410 	__u32 cqe;
411 	__u32 reserved;
412 	__u64 driver_data[0];
413 };
414 
415 struct ib_uverbs_poll_cq {
416 	__u64 response;
417 	__u32 cq_handle;
418 	__u32 ne;
419 };
420 
421 struct ib_uverbs_wc {
422 	__u64 wr_id;
423 	__u32 status;
424 	__u32 opcode;
425 	__u32 vendor_err;
426 	__u32 byte_len;
427 	union {
428 		__u32 imm_data;
429 		__u32 invalidate_rkey;
430 	} ex;
431 	__u32 qp_num;
432 	__u32 src_qp;
433 	__u32 wc_flags;
434 	__u16 pkey_index;
435 	__u16 slid;
436 	__u8 sl;
437 	__u8 dlid_path_bits;
438 	__u8 port_num;
439 	__u8 reserved;
440 };
441 
442 struct ib_uverbs_poll_cq_resp {
443 	__u32 count;
444 	__u32 reserved;
445 	struct ib_uverbs_wc wc[0];
446 };
447 
448 struct ib_uverbs_req_notify_cq {
449 	__u32 cq_handle;
450 	__u32 solicited_only;
451 };
452 
453 struct ib_uverbs_destroy_cq {
454 	__u64 response;
455 	__u32 cq_handle;
456 	__u32 reserved;
457 };
458 
459 struct ib_uverbs_destroy_cq_resp {
460 	__u32 comp_events_reported;
461 	__u32 async_events_reported;
462 };
463 
464 struct ib_uverbs_global_route {
465 	__u8  dgid[16];
466 	__u32 flow_label;
467 	__u8  sgid_index;
468 	__u8  hop_limit;
469 	__u8  traffic_class;
470 	__u8  reserved;
471 };
472 
473 struct ib_uverbs_ah_attr {
474 	struct ib_uverbs_global_route grh;
475 	__u16 dlid;
476 	__u8  sl;
477 	__u8  src_path_bits;
478 	__u8  static_rate;
479 	__u8  is_global;
480 	__u8  port_num;
481 	__u8  reserved;
482 };
483 
484 struct ib_uverbs_qp_attr {
485 	__u32	qp_attr_mask;
486 	__u32	qp_state;
487 	__u32	cur_qp_state;
488 	__u32	path_mtu;
489 	__u32	path_mig_state;
490 	__u32	qkey;
491 	__u32	rq_psn;
492 	__u32	sq_psn;
493 	__u32	dest_qp_num;
494 	__u32	qp_access_flags;
495 
496 	struct ib_uverbs_ah_attr ah_attr;
497 	struct ib_uverbs_ah_attr alt_ah_attr;
498 
499 	/* ib_qp_cap */
500 	__u32	max_send_wr;
501 	__u32	max_recv_wr;
502 	__u32	max_send_sge;
503 	__u32	max_recv_sge;
504 	__u32	max_inline_data;
505 
506 	__u16	pkey_index;
507 	__u16	alt_pkey_index;
508 	__u8	en_sqd_async_notify;
509 	__u8	sq_draining;
510 	__u8	max_rd_atomic;
511 	__u8	max_dest_rd_atomic;
512 	__u8	min_rnr_timer;
513 	__u8	port_num;
514 	__u8	timeout;
515 	__u8	retry_cnt;
516 	__u8	rnr_retry;
517 	__u8	alt_port_num;
518 	__u8	alt_timeout;
519 	__u8	reserved[5];
520 };
521 
522 struct ib_uverbs_create_qp {
523 	__u64 response;
524 	__u64 user_handle;
525 	__u32 pd_handle;
526 	__u32 send_cq_handle;
527 	__u32 recv_cq_handle;
528 	__u32 srq_handle;
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 	__u8  sq_sig_all;
535 	__u8  qp_type;
536 	__u8  is_srq;
537 	__u8  reserved;
538 	__u64 driver_data[0];
539 };
540 
541 enum ib_uverbs_create_qp_mask {
542 	IB_UVERBS_CREATE_QP_MASK_IND_TABLE = 1UL << 0,
543 };
544 
545 enum {
546 	IB_UVERBS_CREATE_QP_SUP_COMP_MASK = IB_UVERBS_CREATE_QP_MASK_IND_TABLE,
547 };
548 
549 enum {
550 	/*
551 	 * This value is equal to IB_QP_DEST_QPN.
552 	 */
553 	IB_USER_LEGACY_LAST_QP_ATTR_MASK = 1ULL << 20,
554 };
555 
556 enum {
557 	/*
558 	 * This value is equal to IB_QP_RATE_LIMIT.
559 	 */
560 	IB_USER_LAST_QP_ATTR_MASK = 1ULL << 25,
561 };
562 
563 struct ib_uverbs_ex_create_qp {
564 	__u64 user_handle;
565 	__u32 pd_handle;
566 	__u32 send_cq_handle;
567 	__u32 recv_cq_handle;
568 	__u32 srq_handle;
569 	__u32 max_send_wr;
570 	__u32 max_recv_wr;
571 	__u32 max_send_sge;
572 	__u32 max_recv_sge;
573 	__u32 max_inline_data;
574 	__u8  sq_sig_all;
575 	__u8  qp_type;
576 	__u8  is_srq;
577 	__u8 reserved;
578 	__u32 comp_mask;
579 	__u32 create_flags;
580 	__u32 rwq_ind_tbl_handle;
581 	__u32  reserved1;
582 };
583 
584 struct ib_uverbs_open_qp {
585 	__u64 response;
586 	__u64 user_handle;
587 	__u32 pd_handle;
588 	__u32 qpn;
589 	__u8  qp_type;
590 	__u8  reserved[7];
591 	__u64 driver_data[0];
592 };
593 
594 /* also used for open response */
595 struct ib_uverbs_create_qp_resp {
596 	__u32 qp_handle;
597 	__u32 qpn;
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 	__u32 reserved;
604 };
605 
606 struct ib_uverbs_ex_create_qp_resp {
607 	struct ib_uverbs_create_qp_resp base;
608 	__u32 comp_mask;
609 	__u32 response_length;
610 };
611 
612 /*
613  * This struct needs to remain a multiple of 8 bytes to keep the
614  * alignment of the modify QP parameters.
615  */
616 struct ib_uverbs_qp_dest {
617 	__u8  dgid[16];
618 	__u32 flow_label;
619 	__u16 dlid;
620 	__u16 reserved;
621 	__u8  sgid_index;
622 	__u8  hop_limit;
623 	__u8  traffic_class;
624 	__u8  sl;
625 	__u8  src_path_bits;
626 	__u8  static_rate;
627 	__u8  is_global;
628 	__u8  port_num;
629 };
630 
631 struct ib_uverbs_query_qp {
632 	__u64 response;
633 	__u32 qp_handle;
634 	__u32 attr_mask;
635 	__u64 driver_data[0];
636 };
637 
638 struct ib_uverbs_query_qp_resp {
639 	struct ib_uverbs_qp_dest dest;
640 	struct ib_uverbs_qp_dest alt_dest;
641 	__u32 max_send_wr;
642 	__u32 max_recv_wr;
643 	__u32 max_send_sge;
644 	__u32 max_recv_sge;
645 	__u32 max_inline_data;
646 	__u32 qkey;
647 	__u32 rq_psn;
648 	__u32 sq_psn;
649 	__u32 dest_qp_num;
650 	__u32 qp_access_flags;
651 	__u16 pkey_index;
652 	__u16 alt_pkey_index;
653 	__u8  qp_state;
654 	__u8  cur_qp_state;
655 	__u8  path_mtu;
656 	__u8  path_mig_state;
657 	__u8  sq_draining;
658 	__u8  max_rd_atomic;
659 	__u8  max_dest_rd_atomic;
660 	__u8  min_rnr_timer;
661 	__u8  port_num;
662 	__u8  timeout;
663 	__u8  retry_cnt;
664 	__u8  rnr_retry;
665 	__u8  alt_port_num;
666 	__u8  alt_timeout;
667 	__u8  sq_sig_all;
668 	__u8  reserved[5];
669 	__u64 driver_data[0];
670 };
671 
672 struct ib_uverbs_modify_qp {
673 	struct ib_uverbs_qp_dest dest;
674 	struct ib_uverbs_qp_dest alt_dest;
675 	__u32 qp_handle;
676 	__u32 attr_mask;
677 	__u32 qkey;
678 	__u32 rq_psn;
679 	__u32 sq_psn;
680 	__u32 dest_qp_num;
681 	__u32 qp_access_flags;
682 	__u16 pkey_index;
683 	__u16 alt_pkey_index;
684 	__u8  qp_state;
685 	__u8  cur_qp_state;
686 	__u8  path_mtu;
687 	__u8  path_mig_state;
688 	__u8  en_sqd_async_notify;
689 	__u8  max_rd_atomic;
690 	__u8  max_dest_rd_atomic;
691 	__u8  min_rnr_timer;
692 	__u8  port_num;
693 	__u8  timeout;
694 	__u8  retry_cnt;
695 	__u8  rnr_retry;
696 	__u8  alt_port_num;
697 	__u8  alt_timeout;
698 	__u8  reserved[2];
699 	__u64 driver_data[0];
700 };
701 
702 struct ib_uverbs_ex_modify_qp {
703 	struct ib_uverbs_modify_qp base;
704 	__u32	rate_limit;
705 	__u32	reserved;
706 };
707 
708 struct ib_uverbs_modify_qp_resp {
709 };
710 
711 struct ib_uverbs_ex_modify_qp_resp {
712 	__u32  comp_mask;
713 	__u32  response_length;
714 };
715 
716 struct ib_uverbs_destroy_qp {
717 	__u64 response;
718 	__u32 qp_handle;
719 	__u32 reserved;
720 };
721 
722 struct ib_uverbs_destroy_qp_resp {
723 	__u32 events_reported;
724 };
725 
726 /*
727  * The ib_uverbs_sge structure isn't used anywhere, since we assume
728  * the ib_sge structure is packed the same way on 32-bit and 64-bit
729  * architectures in both kernel and user space.  It's just here to
730  * document the ABI.
731  */
732 struct ib_uverbs_sge {
733 	__u64 addr;
734 	__u32 length;
735 	__u32 lkey;
736 };
737 
738 struct ib_uverbs_send_wr {
739 	__u64 wr_id;
740 	__u32 num_sge;
741 	__u32 opcode;
742 	__u32 send_flags;
743 	union {
744 		__u32 imm_data;
745 		__u32 invalidate_rkey;
746 	} ex;
747 	union {
748 		struct {
749 			__u64 remote_addr;
750 			__u32 rkey;
751 			__u32 reserved;
752 		} rdma;
753 		struct {
754 			__u64 remote_addr;
755 			__u64 compare_add;
756 			__u64 swap;
757 			__u32 rkey;
758 			__u32 reserved;
759 		} atomic;
760 		struct {
761 			__u32 ah;
762 			__u32 remote_qpn;
763 			__u32 remote_qkey;
764 			__u32 reserved;
765 		} ud;
766 	} wr;
767 };
768 
769 struct ib_uverbs_post_send {
770 	__u64 response;
771 	__u32 qp_handle;
772 	__u32 wr_count;
773 	__u32 sge_count;
774 	__u32 wqe_size;
775 	struct ib_uverbs_send_wr send_wr[0];
776 };
777 
778 struct ib_uverbs_post_send_resp {
779 	__u32 bad_wr;
780 };
781 
782 struct ib_uverbs_recv_wr {
783 	__u64 wr_id;
784 	__u32 num_sge;
785 	__u32 reserved;
786 };
787 
788 struct ib_uverbs_post_recv {
789 	__u64 response;
790 	__u32 qp_handle;
791 	__u32 wr_count;
792 	__u32 sge_count;
793 	__u32 wqe_size;
794 	struct ib_uverbs_recv_wr recv_wr[0];
795 };
796 
797 struct ib_uverbs_post_recv_resp {
798 	__u32 bad_wr;
799 };
800 
801 struct ib_uverbs_post_srq_recv {
802 	__u64 response;
803 	__u32 srq_handle;
804 	__u32 wr_count;
805 	__u32 sge_count;
806 	__u32 wqe_size;
807 	struct ib_uverbs_recv_wr recv[0];
808 };
809 
810 struct ib_uverbs_post_srq_recv_resp {
811 	__u32 bad_wr;
812 };
813 
814 struct ib_uverbs_create_ah {
815 	__u64 response;
816 	__u64 user_handle;
817 	__u32 pd_handle;
818 	__u32 reserved;
819 	struct ib_uverbs_ah_attr attr;
820 };
821 
822 struct ib_uverbs_create_ah_resp {
823 	__u32 ah_handle;
824 };
825 
826 struct ib_uverbs_destroy_ah {
827 	__u32 ah_handle;
828 };
829 
830 struct ib_uverbs_attach_mcast {
831 	__u8  gid[16];
832 	__u32 qp_handle;
833 	__u16 mlid;
834 	__u16 reserved;
835 	__u64 driver_data[0];
836 };
837 
838 struct ib_uverbs_detach_mcast {
839 	__u8  gid[16];
840 	__u32 qp_handle;
841 	__u16 mlid;
842 	__u16 reserved;
843 	__u64 driver_data[0];
844 };
845 
846 struct ib_uverbs_flow_spec_hdr {
847 	__u32 type;
848 	__u16 size;
849 	__u16 reserved;
850 	/* followed by flow_spec */
851 	__u64 flow_spec_data[0];
852 };
853 
854 struct ib_uverbs_flow_eth_filter {
855 	__u8  dst_mac[6];
856 	__u8  src_mac[6];
857 	__be16 ether_type;
858 	__be16 vlan_tag;
859 };
860 
861 struct ib_uverbs_flow_spec_eth {
862 	union {
863 		struct ib_uverbs_flow_spec_hdr hdr;
864 		struct {
865 			__u32 type;
866 			__u16 size;
867 			__u16 reserved;
868 		};
869 	};
870 	struct ib_uverbs_flow_eth_filter val;
871 	struct ib_uverbs_flow_eth_filter mask;
872 };
873 
874 struct ib_uverbs_flow_ipv4_filter {
875 	__be32 src_ip;
876 	__be32 dst_ip;
877 	__u8	proto;
878 	__u8	tos;
879 	__u8	ttl;
880 	__u8	flags;
881 };
882 
883 struct ib_uverbs_flow_spec_ipv4 {
884 	union {
885 		struct ib_uverbs_flow_spec_hdr hdr;
886 		struct {
887 			__u32 type;
888 			__u16 size;
889 			__u16 reserved;
890 		};
891 	};
892 	struct ib_uverbs_flow_ipv4_filter val;
893 	struct ib_uverbs_flow_ipv4_filter mask;
894 };
895 
896 struct ib_uverbs_flow_tcp_udp_filter {
897 	__be16 dst_port;
898 	__be16 src_port;
899 };
900 
901 struct ib_uverbs_flow_spec_tcp_udp {
902 	union {
903 		struct ib_uverbs_flow_spec_hdr hdr;
904 		struct {
905 			__u32 type;
906 			__u16 size;
907 			__u16 reserved;
908 		};
909 	};
910 	struct ib_uverbs_flow_tcp_udp_filter val;
911 	struct ib_uverbs_flow_tcp_udp_filter mask;
912 };
913 
914 struct ib_uverbs_flow_ipv6_filter {
915 	__u8    src_ip[16];
916 	__u8    dst_ip[16];
917 	__be32	flow_label;
918 	__u8	next_hdr;
919 	__u8	traffic_class;
920 	__u8	hop_limit;
921 	__u8	reserved;
922 };
923 
924 struct ib_uverbs_flow_spec_ipv6 {
925 	union {
926 		struct ib_uverbs_flow_spec_hdr hdr;
927 		struct {
928 			__u32 type;
929 			__u16 size;
930 			__u16 reserved;
931 		};
932 	};
933 	struct ib_uverbs_flow_ipv6_filter val;
934 	struct ib_uverbs_flow_ipv6_filter mask;
935 };
936 
937 struct ib_uverbs_flow_spec_action_tag {
938 	union {
939 		struct ib_uverbs_flow_spec_hdr hdr;
940 		struct {
941 			__u32 type;
942 			__u16 size;
943 			__u16 reserved;
944 		};
945 	};
946 	__u32			      tag_id;
947 	__u32			      reserved1;
948 };
949 
950 struct ib_uverbs_flow_spec_action_drop {
951 	union {
952 		struct ib_uverbs_flow_spec_hdr hdr;
953 		struct {
954 			__u32 type;
955 			__u16 size;
956 			__u16 reserved;
957 		};
958 	};
959 };
960 
961 struct ib_uverbs_flow_tunnel_filter {
962 	__be32 tunnel_id;
963 };
964 
965 struct ib_uverbs_flow_spec_tunnel {
966 	union {
967 		struct ib_uverbs_flow_spec_hdr hdr;
968 		struct {
969 			__u32 type;
970 			__u16 size;
971 			__u16 reserved;
972 		};
973 	};
974 	struct ib_uverbs_flow_tunnel_filter val;
975 	struct ib_uverbs_flow_tunnel_filter mask;
976 };
977 
978 struct ib_uverbs_flow_attr {
979 	__u32 type;
980 	__u16 size;
981 	__u16 priority;
982 	__u8  num_of_specs;
983 	__u8  reserved[2];
984 	__u8  port;
985 	__u32 flags;
986 	/* Following are the optional layers according to user request
987 	 * struct ib_flow_spec_xxx
988 	 * struct ib_flow_spec_yyy
989 	 */
990 	struct ib_uverbs_flow_spec_hdr flow_specs[0];
991 };
992 
993 struct ib_uverbs_create_flow  {
994 	__u32 comp_mask;
995 	__u32 qp_handle;
996 	struct ib_uverbs_flow_attr flow_attr;
997 };
998 
999 struct ib_uverbs_create_flow_resp {
1000 	__u32 comp_mask;
1001 	__u32 flow_handle;
1002 };
1003 
1004 struct ib_uverbs_destroy_flow  {
1005 	__u32 comp_mask;
1006 	__u32 flow_handle;
1007 };
1008 
1009 struct ib_uverbs_create_srq {
1010 	__u64 response;
1011 	__u64 user_handle;
1012 	__u32 pd_handle;
1013 	__u32 max_wr;
1014 	__u32 max_sge;
1015 	__u32 srq_limit;
1016 	__u64 driver_data[0];
1017 };
1018 
1019 struct ib_uverbs_create_xsrq {
1020 	__u64 response;
1021 	__u64 user_handle;
1022 	__u32 srq_type;
1023 	__u32 pd_handle;
1024 	__u32 max_wr;
1025 	__u32 max_sge;
1026 	__u32 srq_limit;
1027 	__u32 reserved;
1028 	__u32 xrcd_handle;
1029 	__u32 cq_handle;
1030 	__u64 driver_data[0];
1031 };
1032 
1033 struct ib_uverbs_create_srq_resp {
1034 	__u32 srq_handle;
1035 	__u32 max_wr;
1036 	__u32 max_sge;
1037 	__u32 srqn;
1038 };
1039 
1040 struct ib_uverbs_modify_srq {
1041 	__u32 srq_handle;
1042 	__u32 attr_mask;
1043 	__u32 max_wr;
1044 	__u32 srq_limit;
1045 	__u64 driver_data[0];
1046 };
1047 
1048 struct ib_uverbs_query_srq {
1049 	__u64 response;
1050 	__u32 srq_handle;
1051 	__u32 reserved;
1052 	__u64 driver_data[0];
1053 };
1054 
1055 struct ib_uverbs_query_srq_resp {
1056 	__u32 max_wr;
1057 	__u32 max_sge;
1058 	__u32 srq_limit;
1059 	__u32 reserved;
1060 };
1061 
1062 struct ib_uverbs_destroy_srq {
1063 	__u64 response;
1064 	__u32 srq_handle;
1065 	__u32 reserved;
1066 };
1067 
1068 struct ib_uverbs_destroy_srq_resp {
1069 	__u32 events_reported;
1070 };
1071 
1072 struct ib_uverbs_ex_create_wq  {
1073 	__u32 comp_mask;
1074 	__u32 wq_type;
1075 	__u64 user_handle;
1076 	__u32 pd_handle;
1077 	__u32 cq_handle;
1078 	__u32 max_wr;
1079 	__u32 max_sge;
1080 	__u32 create_flags; /* Use enum ib_wq_flags */
1081 	__u32 reserved;
1082 };
1083 
1084 struct ib_uverbs_ex_create_wq_resp {
1085 	__u32 comp_mask;
1086 	__u32 response_length;
1087 	__u32 wq_handle;
1088 	__u32 max_wr;
1089 	__u32 max_sge;
1090 	__u32 wqn;
1091 };
1092 
1093 struct ib_uverbs_ex_destroy_wq  {
1094 	__u32 comp_mask;
1095 	__u32 wq_handle;
1096 };
1097 
1098 struct ib_uverbs_ex_destroy_wq_resp {
1099 	__u32 comp_mask;
1100 	__u32 response_length;
1101 	__u32 events_reported;
1102 	__u32 reserved;
1103 };
1104 
1105 struct ib_uverbs_ex_modify_wq  {
1106 	__u32 attr_mask;
1107 	__u32 wq_handle;
1108 	__u32 wq_state;
1109 	__u32 curr_wq_state;
1110 	__u32 flags; /* Use enum ib_wq_flags */
1111 	__u32 flags_mask; /* Use enum ib_wq_flags */
1112 };
1113 
1114 /* Prevent memory allocation rather than max expected size */
1115 #define IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE 0x0d
1116 struct ib_uverbs_ex_create_rwq_ind_table  {
1117 	__u32 comp_mask;
1118 	__u32 log_ind_tbl_size;
1119 	/* Following are the wq handles according to log_ind_tbl_size
1120 	 * wq_handle1
1121 	 * wq_handle2
1122 	 */
1123 	__u32 wq_handles[0];
1124 };
1125 
1126 struct ib_uverbs_ex_create_rwq_ind_table_resp {
1127 	__u32 comp_mask;
1128 	__u32 response_length;
1129 	__u32 ind_tbl_handle;
1130 	__u32 ind_tbl_num;
1131 };
1132 
1133 struct ib_uverbs_ex_destroy_rwq_ind_table  {
1134 	__u32 comp_mask;
1135 	__u32 ind_tbl_handle;
1136 };
1137 
1138 #define IB_DEVICE_NAME_MAX 64
1139 
1140 #endif /* IB_USER_VERBS_H */
1141