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1/*
2 * Copyright (c) 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Cisco Systems. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 *
33 * $Id: ib_user_verbs.h 2708 2005-06-24 17:27:21Z roland $
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 1
46
47enum {
48 IB_USER_VERBS_CMD_QUERY_PARAMS,
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_QUERY_GID,
53 IB_USER_VERBS_CMD_QUERY_PKEY,
54 IB_USER_VERBS_CMD_ALLOC_PD,
55 IB_USER_VERBS_CMD_DEALLOC_PD,
56 IB_USER_VERBS_CMD_CREATE_AH,
57 IB_USER_VERBS_CMD_MODIFY_AH,
58 IB_USER_VERBS_CMD_QUERY_AH,
59 IB_USER_VERBS_CMD_DESTROY_AH,
60 IB_USER_VERBS_CMD_REG_MR,
61 IB_USER_VERBS_CMD_REG_SMR,
62 IB_USER_VERBS_CMD_REREG_MR,
63 IB_USER_VERBS_CMD_QUERY_MR,
64 IB_USER_VERBS_CMD_DEREG_MR,
65 IB_USER_VERBS_CMD_ALLOC_MW,
66 IB_USER_VERBS_CMD_BIND_MW,
67 IB_USER_VERBS_CMD_DEALLOC_MW,
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};
88
89/*
90 * Make sure that all structs defined in this file remain laid out so
91 * that they pack the same way on 32-bit and 64-bit architectures (to
92 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
93 * In particular do not use pointer types -- pass pointers in __u64
94 * instead.
95 */
96
97struct ib_uverbs_async_event_desc {
98 __u64 element;
99 __u32 event_type; /* enum ib_event_type */
100 __u32 reserved;
101};
102
103struct ib_uverbs_comp_event_desc {
104 __u64 cq_handle;
105};
106
107/*
108 * All commands from userspace should start with a __u32 command field
109 * followed by __u16 in_words and out_words fields (which give the
110 * length of the command block and response buffer if any in 32-bit
111 * words). The kernel driver will read these fields first and read
112 * the rest of the command struct based on these value.
113 */
114
115struct ib_uverbs_cmd_hdr {
116 __u32 command;
117 __u16 in_words;
118 __u16 out_words;
119};
120
121/*
122 * No driver_data for "query params" command, since this is intended
123 * to be a core function with no possible device dependence.
124 */
125struct ib_uverbs_query_params {
126 __u64 response;
127};
128
129struct ib_uverbs_query_params_resp {
130 __u32 num_cq_events;
131};
132
133struct ib_uverbs_get_context {
134 __u64 response;
135 __u64 cq_fd_tab;
136 __u64 driver_data[0];
137};
138
139struct ib_uverbs_get_context_resp {
140 __u32 async_fd;
141 __u32 reserved;
142};
143
144struct ib_uverbs_query_device {
145 __u64 response;
146 __u64 driver_data[0];
147};
148
149struct ib_uverbs_query_device_resp {
150 __u64 fw_ver;
151 __be64 node_guid;
152 __be64 sys_image_guid;
153 __u64 max_mr_size;
154 __u64 page_size_cap;
155 __u32 vendor_id;
156 __u32 vendor_part_id;
157 __u32 hw_ver;
158 __u32 max_qp;
159 __u32 max_qp_wr;
160 __u32 device_cap_flags;
161 __u32 max_sge;
162 __u32 max_sge_rd;
163 __u32 max_cq;
164 __u32 max_cqe;
165 __u32 max_mr;
166 __u32 max_pd;
167 __u32 max_qp_rd_atom;
168 __u32 max_ee_rd_atom;
169 __u32 max_res_rd_atom;
170 __u32 max_qp_init_rd_atom;
171 __u32 max_ee_init_rd_atom;
172 __u32 atomic_cap;
173 __u32 max_ee;
174 __u32 max_rdd;
175 __u32 max_mw;
176 __u32 max_raw_ipv6_qp;
177 __u32 max_raw_ethy_qp;
178 __u32 max_mcast_grp;
179 __u32 max_mcast_qp_attach;
180 __u32 max_total_mcast_qp_attach;
181 __u32 max_ah;
182 __u32 max_fmr;
183 __u32 max_map_per_fmr;
184 __u32 max_srq;
185 __u32 max_srq_wr;
186 __u32 max_srq_sge;
187 __u16 max_pkeys;
188 __u8 local_ca_ack_delay;
189 __u8 phys_port_cnt;
190 __u8 reserved[4];
191};
192
193struct ib_uverbs_query_port {
194 __u64 response;
195 __u8 port_num;
196 __u8 reserved[7];
197 __u64 driver_data[0];
198};
199
200struct ib_uverbs_query_port_resp {
201 __u32 port_cap_flags;
202 __u32 max_msg_sz;
203 __u32 bad_pkey_cntr;
204 __u32 qkey_viol_cntr;
205 __u32 gid_tbl_len;
206 __u16 pkey_tbl_len;
207 __u16 lid;
208 __u16 sm_lid;
209 __u8 state;
210 __u8 max_mtu;
211 __u8 active_mtu;
212 __u8 lmc;
213 __u8 max_vl_num;
214 __u8 sm_sl;
215 __u8 subnet_timeout;
216 __u8 init_type_reply;
217 __u8 active_width;
218 __u8 active_speed;
219 __u8 phys_state;
220 __u8 reserved[3];
221};
222
223struct ib_uverbs_query_gid {
224 __u64 response;
225 __u8 port_num;
226 __u8 index;
227 __u8 reserved[6];
228 __u64 driver_data[0];
229};
230
231struct ib_uverbs_query_gid_resp {
232 __u8 gid[16];
233};
234
235struct ib_uverbs_query_pkey {
236 __u64 response;
237 __u8 port_num;
238 __u8 index;
239 __u8 reserved[6];
240 __u64 driver_data[0];
241};
242
243struct ib_uverbs_query_pkey_resp {
244 __u16 pkey;
245 __u16 reserved;
246};
247
248struct ib_uverbs_alloc_pd {
249 __u64 response;
250 __u64 driver_data[0];
251};
252
253struct ib_uverbs_alloc_pd_resp {
254 __u32 pd_handle;
255};
256
257struct ib_uverbs_dealloc_pd {
258 __u32 pd_handle;
259};
260
261struct ib_uverbs_reg_mr {
262 __u64 response;
263 __u64 start;
264 __u64 length;
265 __u64 hca_va;
266 __u32 pd_handle;
267 __u32 access_flags;
268 __u64 driver_data[0];
269};
270
271struct ib_uverbs_reg_mr_resp {
272 __u32 mr_handle;
273 __u32 lkey;
274 __u32 rkey;
275};
276
277struct ib_uverbs_dereg_mr {
278 __u32 mr_handle;
279};
280
281struct ib_uverbs_create_cq {
282 __u64 response;
283 __u64 user_handle;
284 __u32 cqe;
285 __u32 event_handler;
286 __u64 driver_data[0];
287};
288
289struct ib_uverbs_create_cq_resp {
290 __u32 cq_handle;
291 __u32 cqe;
292};
293
294struct ib_uverbs_destroy_cq {
295 __u32 cq_handle;
296};
297
298struct ib_uverbs_create_qp {
299 __u64 response;
300 __u64 user_handle;
301 __u32 pd_handle;
302 __u32 send_cq_handle;
303 __u32 recv_cq_handle;
304 __u32 srq_handle;
305 __u32 max_send_wr;
306 __u32 max_recv_wr;
307 __u32 max_send_sge;
308 __u32 max_recv_sge;
309 __u32 max_inline_data;
310 __u8 sq_sig_all;
311 __u8 qp_type;
312 __u8 is_srq;
313 __u8 reserved;
314 __u64 driver_data[0];
315};
316
317struct ib_uverbs_create_qp_resp {
318 __u32 qp_handle;
319 __u32 qpn;
320};
321
322/*
323 * This struct needs to remain a multiple of 8 bytes to keep the
324 * alignment of the modify QP parameters.
325 */
326struct ib_uverbs_qp_dest {
327 __u8 dgid[16];
328 __u32 flow_label;
329 __u16 dlid;
330 __u16 reserved;
331 __u8 sgid_index;
332 __u8 hop_limit;
333 __u8 traffic_class;
334 __u8 sl;
335 __u8 src_path_bits;
336 __u8 static_rate;
337 __u8 is_global;
338 __u8 port_num;
339};
340
341struct ib_uverbs_modify_qp {
342 struct ib_uverbs_qp_dest dest;
343 struct ib_uverbs_qp_dest alt_dest;
344 __u32 qp_handle;
345 __u32 attr_mask;
346 __u32 qkey;
347 __u32 rq_psn;
348 __u32 sq_psn;
349 __u32 dest_qp_num;
350 __u32 qp_access_flags;
351 __u16 pkey_index;
352 __u16 alt_pkey_index;
353 __u8 qp_state;
354 __u8 cur_qp_state;
355 __u8 path_mtu;
356 __u8 path_mig_state;
357 __u8 en_sqd_async_notify;
358 __u8 max_rd_atomic;
359 __u8 max_dest_rd_atomic;
360 __u8 min_rnr_timer;
361 __u8 port_num;
362 __u8 timeout;
363 __u8 retry_cnt;
364 __u8 rnr_retry;
365 __u8 alt_port_num;
366 __u8 alt_timeout;
367 __u8 reserved[2];
368 __u64 driver_data[0];
369};
370
371struct ib_uverbs_modify_qp_resp {
372};
373
374struct ib_uverbs_destroy_qp {
375 __u32 qp_handle;
376};
377
378struct ib_uverbs_attach_mcast {
379 __u8 gid[16];
380 __u32 qp_handle;
381 __u16 mlid;
382 __u16 reserved;
383 __u64 driver_data[0];
384};
385
386struct ib_uverbs_detach_mcast {
387 __u8 gid[16];
388 __u32 qp_handle;
389 __u16 mlid;
390 __u16 reserved;
391 __u64 driver_data[0];
392};
393
394struct ib_uverbs_create_srq {
395 __u64 response;
396 __u64 user_handle;
397 __u32 pd_handle;
398 __u32 max_wr;
399 __u32 max_sge;
400 __u32 srq_limit;
401 __u64 driver_data[0];
402};
403
404struct ib_uverbs_create_srq_resp {
405 __u32 srq_handle;
406};
407
408struct ib_uverbs_modify_srq {
409 __u32 srq_handle;
410 __u32 attr_mask;
411 __u32 max_wr;
412 __u32 max_sge;
413 __u32 srq_limit;
414 __u32 reserved;
415 __u64 driver_data[0];
416};
417
418struct ib_uverbs_destroy_srq {
419 __u32 srq_handle;
420};
421
422#endif /* IB_USER_VERBS_H */
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