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-rw-r--r--drivers/infiniband/include/ib_user_verbs.h389
1 files changed, 389 insertions, 0 deletions
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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};
83
84/*
85 * Make sure that all structs defined in this file remain laid out so
86 * that they pack the same way on 32-bit and 64-bit architectures (to
87 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
88 * In particular do not use pointer types -- pass pointers in __u64
89 * instead.
90 */
91
92struct ib_uverbs_async_event_desc {
93 __u64 element;
94 __u32 event_type; /* enum ib_event_type */
95 __u32 reserved;
96};
97
98struct ib_uverbs_comp_event_desc {
99 __u64 cq_handle;
100};
101
102/*
103 * All commands from userspace should start with a __u32 command field
104 * followed by __u16 in_words and out_words fields (which give the
105 * length of the command block and response buffer if any in 32-bit
106 * words). The kernel driver will read these fields first and read
107 * the rest of the command struct based on these value.
108 */
109
110struct ib_uverbs_cmd_hdr {
111 __u32 command;
112 __u16 in_words;
113 __u16 out_words;
114};
115
116/*
117 * No driver_data for "query params" command, since this is intended
118 * to be a core function with no possible device dependence.
119 */
120struct ib_uverbs_query_params {
121 __u64 response;
122};
123
124struct ib_uverbs_query_params_resp {
125 __u32 num_cq_events;
126};
127
128struct ib_uverbs_get_context {
129 __u64 response;
130 __u64 cq_fd_tab;
131 __u64 driver_data[0];
132};
133
134struct ib_uverbs_get_context_resp {
135 __u32 async_fd;
136 __u32 reserved;
137};
138
139struct ib_uverbs_query_device {
140 __u64 response;
141 __u64 driver_data[0];
142};
143
144struct ib_uverbs_query_device_resp {
145 __u64 fw_ver;
146 __u64 node_guid;
147 __u64 sys_image_guid;
148 __u64 max_mr_size;
149 __u64 page_size_cap;
150 __u32 vendor_id;
151 __u32 vendor_part_id;
152 __u32 hw_ver;
153 __u32 max_qp;
154 __u32 max_qp_wr;
155 __u32 device_cap_flags;
156 __u32 max_sge;
157 __u32 max_sge_rd;
158 __u32 max_cq;
159 __u32 max_cqe;
160 __u32 max_mr;
161 __u32 max_pd;
162 __u32 max_qp_rd_atom;
163 __u32 max_ee_rd_atom;
164 __u32 max_res_rd_atom;
165 __u32 max_qp_init_rd_atom;
166 __u32 max_ee_init_rd_atom;
167 __u32 atomic_cap;
168 __u32 max_ee;
169 __u32 max_rdd;
170 __u32 max_mw;
171 __u32 max_raw_ipv6_qp;
172 __u32 max_raw_ethy_qp;
173 __u32 max_mcast_grp;
174 __u32 max_mcast_qp_attach;
175 __u32 max_total_mcast_qp_attach;
176 __u32 max_ah;
177 __u32 max_fmr;
178 __u32 max_map_per_fmr;
179 __u32 max_srq;
180 __u32 max_srq_wr;
181 __u32 max_srq_sge;
182 __u16 max_pkeys;
183 __u8 local_ca_ack_delay;
184 __u8 phys_port_cnt;
185 __u8 reserved[4];
186};
187
188struct ib_uverbs_query_port {
189 __u64 response;
190 __u8 port_num;
191 __u8 reserved[7];
192 __u64 driver_data[0];
193};
194
195struct ib_uverbs_query_port_resp {
196 __u32 port_cap_flags;
197 __u32 max_msg_sz;
198 __u32 bad_pkey_cntr;
199 __u32 qkey_viol_cntr;
200 __u32 gid_tbl_len;
201 __u16 pkey_tbl_len;
202 __u16 lid;
203 __u16 sm_lid;
204 __u8 state;
205 __u8 max_mtu;
206 __u8 active_mtu;
207 __u8 lmc;
208 __u8 max_vl_num;
209 __u8 sm_sl;
210 __u8 subnet_timeout;
211 __u8 init_type_reply;
212 __u8 active_width;
213 __u8 active_speed;
214 __u8 phys_state;
215 __u8 reserved[3];
216};
217
218struct ib_uverbs_query_gid {
219 __u64 response;
220 __u8 port_num;
221 __u8 index;
222 __u8 reserved[6];
223 __u64 driver_data[0];
224};
225
226struct ib_uverbs_query_gid_resp {
227 __u8 gid[16];
228};
229
230struct ib_uverbs_query_pkey {
231 __u64 response;
232 __u8 port_num;
233 __u8 index;
234 __u8 reserved[6];
235 __u64 driver_data[0];
236};
237
238struct ib_uverbs_query_pkey_resp {
239 __u16 pkey;
240 __u16 reserved;
241};
242
243struct ib_uverbs_alloc_pd {
244 __u64 response;
245 __u64 driver_data[0];
246};
247
248struct ib_uverbs_alloc_pd_resp {
249 __u32 pd_handle;
250};
251
252struct ib_uverbs_dealloc_pd {
253 __u32 pd_handle;
254};
255
256struct ib_uverbs_reg_mr {
257 __u64 response;
258 __u64 start;
259 __u64 length;
260 __u64 hca_va;
261 __u32 pd_handle;
262 __u32 access_flags;
263 __u64 driver_data[0];
264};
265
266struct ib_uverbs_reg_mr_resp {
267 __u32 mr_handle;
268 __u32 lkey;
269 __u32 rkey;
270};
271
272struct ib_uverbs_dereg_mr {
273 __u32 mr_handle;
274};
275
276struct ib_uverbs_create_cq {
277 __u64 response;
278 __u64 user_handle;
279 __u32 cqe;
280 __u32 event_handler;
281 __u64 driver_data[0];
282};
283
284struct ib_uverbs_create_cq_resp {
285 __u32 cq_handle;
286 __u32 cqe;
287};
288
289struct ib_uverbs_destroy_cq {
290 __u32 cq_handle;
291};
292
293struct ib_uverbs_create_qp {
294 __u64 response;
295 __u64 user_handle;
296 __u32 pd_handle;
297 __u32 send_cq_handle;
298 __u32 recv_cq_handle;
299 __u32 srq_handle;
300 __u32 max_send_wr;
301 __u32 max_recv_wr;
302 __u32 max_send_sge;
303 __u32 max_recv_sge;
304 __u32 max_inline_data;
305 __u8 sq_sig_all;
306 __u8 qp_type;
307 __u8 is_srq;
308 __u8 reserved;
309 __u64 driver_data[0];
310};
311
312struct ib_uverbs_create_qp_resp {
313 __u32 qp_handle;
314 __u32 qpn;
315};
316
317/*
318 * This struct needs to remain a multiple of 8 bytes to keep the
319 * alignment of the modify QP parameters.
320 */
321struct ib_uverbs_qp_dest {
322 __u8 dgid[16];
323 __u32 flow_label;
324 __u16 dlid;
325 __u16 reserved;
326 __u8 sgid_index;
327 __u8 hop_limit;
328 __u8 traffic_class;
329 __u8 sl;
330 __u8 src_path_bits;
331 __u8 static_rate;
332 __u8 is_global;
333 __u8 port_num;
334};
335
336struct ib_uverbs_modify_qp {
337 struct ib_uverbs_qp_dest dest;
338 struct ib_uverbs_qp_dest alt_dest;
339 __u32 qp_handle;
340 __u32 attr_mask;
341 __u32 qkey;
342 __u32 rq_psn;
343 __u32 sq_psn;
344 __u32 dest_qp_num;
345 __u32 qp_access_flags;
346 __u16 pkey_index;
347 __u16 alt_pkey_index;
348 __u8 qp_state;
349 __u8 cur_qp_state;
350 __u8 path_mtu;
351 __u8 path_mig_state;
352 __u8 en_sqd_async_notify;
353 __u8 max_rd_atomic;
354 __u8 max_dest_rd_atomic;
355 __u8 min_rnr_timer;
356 __u8 port_num;
357 __u8 timeout;
358 __u8 retry_cnt;
359 __u8 rnr_retry;
360 __u8 alt_port_num;
361 __u8 alt_timeout;
362 __u8 reserved[2];
363 __u64 driver_data[0];
364};
365
366struct ib_uverbs_modify_qp_resp {
367};
368
369struct ib_uverbs_destroy_qp {
370 __u32 qp_handle;
371};
372
373struct ib_uverbs_attach_mcast {
374 __u8 gid[16];
375 __u32 qp_handle;
376 __u16 mlid;
377 __u16 reserved;
378 __u64 driver_data[0];
379};
380
381struct ib_uverbs_detach_mcast {
382 __u8 gid[16];
383 __u32 qp_handle;
384 __u16 mlid;
385 __u16 reserved;
386 __u64 driver_data[0];
387};
388
389#endif /* IB_USER_VERBS_H */
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