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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 | ||
47 | enum { | |
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 | ||
92 | struct ib_uverbs_async_event_desc { | |
93 | __u64 element; | |
94 | __u32 event_type; /* enum ib_event_type */ | |
95 | __u32 reserved; | |
96 | }; | |
97 | ||
98 | struct 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 | ||
110 | struct 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 | */ | |
120 | struct ib_uverbs_query_params { | |
121 | __u64 response; | |
122 | }; | |
123 | ||
124 | struct ib_uverbs_query_params_resp { | |
125 | __u32 num_cq_events; | |
126 | }; | |
127 | ||
128 | struct ib_uverbs_get_context { | |
129 | __u64 response; | |
130 | __u64 cq_fd_tab; | |
131 | __u64 driver_data[0]; | |
132 | }; | |
133 | ||
134 | struct ib_uverbs_get_context_resp { | |
135 | __u32 async_fd; | |
136 | __u32 reserved; | |
137 | }; | |
138 | ||
139 | struct ib_uverbs_query_device { | |
140 | __u64 response; | |
141 | __u64 driver_data[0]; | |
142 | }; | |
143 | ||
144 | struct 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 | ||
188 | struct ib_uverbs_query_port { | |
189 | __u64 response; | |
190 | __u8 port_num; | |
191 | __u8 reserved[7]; | |
192 | __u64 driver_data[0]; | |
193 | }; | |
194 | ||
195 | struct 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 | ||
218 | struct 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 | ||
226 | struct ib_uverbs_query_gid_resp { | |
227 | __u8 gid[16]; | |
228 | }; | |
229 | ||
230 | struct 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 | ||
238 | struct ib_uverbs_query_pkey_resp { | |
239 | __u16 pkey; | |
240 | __u16 reserved; | |
241 | }; | |
242 | ||
243 | struct ib_uverbs_alloc_pd { | |
244 | __u64 response; | |
245 | __u64 driver_data[0]; | |
246 | }; | |
247 | ||
248 | struct ib_uverbs_alloc_pd_resp { | |
249 | __u32 pd_handle; | |
250 | }; | |
251 | ||
252 | struct ib_uverbs_dealloc_pd { | |
253 | __u32 pd_handle; | |
254 | }; | |
255 | ||
256 | struct 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 | ||
266 | struct ib_uverbs_reg_mr_resp { | |
267 | __u32 mr_handle; | |
268 | __u32 lkey; | |
269 | __u32 rkey; | |
270 | }; | |
271 | ||
272 | struct ib_uverbs_dereg_mr { | |
273 | __u32 mr_handle; | |
274 | }; | |
275 | ||
276 | struct 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 | ||
284 | struct ib_uverbs_create_cq_resp { | |
285 | __u32 cq_handle; | |
286 | __u32 cqe; | |
287 | }; | |
288 | ||
289 | struct ib_uverbs_destroy_cq { | |
290 | __u32 cq_handle; | |
291 | }; | |
292 | ||
293 | struct 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 | ||
312 | struct 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 | */ | |
321 | struct 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 | ||
336 | struct 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 | ||
366 | struct ib_uverbs_modify_qp_resp { | |
367 | }; | |
368 | ||
369 | struct ib_uverbs_destroy_qp { | |
370 | __u32 qp_handle; | |
371 | }; | |
372 | ||
373 | struct 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 | ||
381 | struct 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 */ |