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diff --git a/drivers/infiniband/include/ib_sa.h b/drivers/infiniband/include/ib_sa.h
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1/*
2 * Copyright (c) 2004 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Voltaire, Inc. 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_sa.h 2811 2005-07-06 18:11:43Z halr $
34 */
35
36#ifndef IB_SA_H
37#define IB_SA_H
38
39#include <linux/compiler.h>
40
41#include <ib_verbs.h>
42#include <ib_mad.h>
43
44enum {
45 IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
46
47 IB_SA_METHOD_GET_TABLE = 0x12,
48 IB_SA_METHOD_GET_TABLE_RESP = 0x92,
49 IB_SA_METHOD_DELETE = 0x15
50};
51
52enum ib_sa_selector {
53 IB_SA_GTE = 0,
54 IB_SA_LTE = 1,
55 IB_SA_EQ = 2,
56 /*
57 * The meaning of "best" depends on the attribute: for
58 * example, for MTU best will return the largest available
59 * MTU, while for packet life time, best will return the
60 * smallest available life time.
61 */
62 IB_SA_BEST = 3
63};
64
65enum ib_sa_rate {
66 IB_SA_RATE_2_5_GBPS = 2,
67 IB_SA_RATE_5_GBPS = 5,
68 IB_SA_RATE_10_GBPS = 3,
69 IB_SA_RATE_20_GBPS = 6,
70 IB_SA_RATE_30_GBPS = 4,
71 IB_SA_RATE_40_GBPS = 7,
72 IB_SA_RATE_60_GBPS = 8,
73 IB_SA_RATE_80_GBPS = 9,
74 IB_SA_RATE_120_GBPS = 10
75};
76
77static inline int ib_sa_rate_enum_to_int(enum ib_sa_rate rate)
78{
79 switch (rate) {
80 case IB_SA_RATE_2_5_GBPS: return 1;
81 case IB_SA_RATE_5_GBPS: return 2;
82 case IB_SA_RATE_10_GBPS: return 4;
83 case IB_SA_RATE_20_GBPS: return 8;
84 case IB_SA_RATE_30_GBPS: return 12;
85 case IB_SA_RATE_40_GBPS: return 16;
86 case IB_SA_RATE_60_GBPS: return 24;
87 case IB_SA_RATE_80_GBPS: return 32;
88 case IB_SA_RATE_120_GBPS: return 48;
89 default: return -1;
90 }
91}
92
93/*
94 * Structures for SA records are named "struct ib_sa_xxx_rec." No
95 * attempt is made to pack structures to match the physical layout of
96 * SA records in SA MADs; all packing and unpacking is handled by the
97 * SA query code.
98 *
99 * For a record with structure ib_sa_xxx_rec, the naming convention
100 * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
101 * never use different abbreviations or otherwise change the spelling
102 * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
103 *
104 * Reserved rows are indicated with comments to help maintainability.
105 */
106
107/* reserved: 0 */
108/* reserved: 1 */
109#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)
110#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)
111#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)
112#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)
113#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)
114/* reserved: 7 */
115#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)
116#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)
117#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)
118#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)
119#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)
120#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)
121/* reserved: 14 */
122#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)
123#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)
124#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)
125#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)
126#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)
127#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
128#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
129#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
130
131struct ib_sa_path_rec {
132 /* reserved */
133 /* reserved */
134 union ib_gid dgid;
135 union ib_gid sgid;
136 u16 dlid;
137 u16 slid;
138 int raw_traffic;
139 /* reserved */
140 u32 flow_label;
141 u8 hop_limit;
142 u8 traffic_class;
143 int reversible;
144 u8 numb_path;
145 u16 pkey;
146 /* reserved */
147 u8 sl;
148 u8 mtu_selector;
149 u8 mtu;
150 u8 rate_selector;
151 u8 rate;
152 u8 packet_life_time_selector;
153 u8 packet_life_time;
154 u8 preference;
155};
156
157#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
158#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
159#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
160#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)
161#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)
162#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)
163#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)
164#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)
165#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)
166#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)
167#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)
168#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)
169#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)
170#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)
171#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)
172#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)
173#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)
174#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)
175
176struct ib_sa_mcmember_rec {
177 union ib_gid mgid;
178 union ib_gid port_gid;
179 u32 qkey;
180 u16 mlid;
181 u8 mtu_selector;
182 u8 mtu;
183 u8 traffic_class;
184 u16 pkey;
185 u8 rate_selector;
186 u8 rate;
187 u8 packet_life_time_selector;
188 u8 packet_life_time;
189 u8 sl;
190 u32 flow_label;
191 u8 hop_limit;
192 u8 scope;
193 u8 join_state;
194 int proxy_join;
195};
196
197/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
198#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)
199#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)
200#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)
201/* reserved: 3 */
202#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)
203#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)
204#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)
205#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)
206#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)
207#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)
208#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)
209#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)
210#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)
211#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)
212#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)
213#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)
214#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)
215#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)
216#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)
217#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)
218#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)
219#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)
220#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)
221#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)
222#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)
223#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)
224#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)
225#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)
226#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)
227#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)
228#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)
229#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)
230#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)
231#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)
232#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)
233#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)
234#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)
235
236#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF
237
238struct ib_sa_service_rec {
239 u64 id;
240 union ib_gid gid;
241 u16 pkey;
242 /* reserved */
243 u32 lease;
244 u8 key[16];
245 u8 name[64];
246 u8 data8[16];
247 u16 data16[8];
248 u32 data32[4];
249 u64 data64[2];
250};
251
252struct ib_sa_query;
253
254void ib_sa_cancel_query(int id, struct ib_sa_query *query);
255
256int ib_sa_path_rec_get(struct ib_device *device, u8 port_num,
257 struct ib_sa_path_rec *rec,
258 ib_sa_comp_mask comp_mask,
259 int timeout_ms, unsigned int __nocast gfp_mask,
260 void (*callback)(int status,
261 struct ib_sa_path_rec *resp,
262 void *context),
263 void *context,
264 struct ib_sa_query **query);
265
266int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num,
267 u8 method,
268 struct ib_sa_mcmember_rec *rec,
269 ib_sa_comp_mask comp_mask,
270 int timeout_ms, unsigned int __nocast gfp_mask,
271 void (*callback)(int status,
272 struct ib_sa_mcmember_rec *resp,
273 void *context),
274 void *context,
275 struct ib_sa_query **query);
276
277int ib_sa_service_rec_query(struct ib_device *device, u8 port_num,
278 u8 method,
279 struct ib_sa_service_rec *rec,
280 ib_sa_comp_mask comp_mask,
281 int timeout_ms, unsigned int __nocast gfp_mask,
282 void (*callback)(int status,
283 struct ib_sa_service_rec *resp,
284 void *context),
285 void *context,
286 struct ib_sa_query **sa_query);
287
288/**
289 * ib_sa_mcmember_rec_set - Start an MCMember set query
290 * @device:device to send query on
291 * @port_num: port number to send query on
292 * @rec:MCMember Record to send in query
293 * @comp_mask:component mask to send in query
294 * @timeout_ms:time to wait for response
295 * @gfp_mask:GFP mask to use for internal allocations
296 * @callback:function called when query completes, times out or is
297 * canceled
298 * @context:opaque user context passed to callback
299 * @sa_query:query context, used to cancel query
300 *
301 * Send an MCMember Set query to the SA (eg to join a multicast
302 * group). The callback function will be called when the query
303 * completes (or fails); status is 0 for a successful response, -EINTR
304 * if the query is canceled, -ETIMEDOUT is the query timed out, or
305 * -EIO if an error occurred sending the query. The resp parameter of
306 * the callback is only valid if status is 0.
307 *
308 * If the return value of ib_sa_mcmember_rec_set() is negative, it is
309 * an error code. Otherwise it is a query ID that can be used to
310 * cancel the query.
311 */
312static inline int
313ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num,
314 struct ib_sa_mcmember_rec *rec,
315 ib_sa_comp_mask comp_mask,
316 int timeout_ms, unsigned int __nocast gfp_mask,
317 void (*callback)(int status,
318 struct ib_sa_mcmember_rec *resp,
319 void *context),
320 void *context,
321 struct ib_sa_query **query)
322{
323 return ib_sa_mcmember_rec_query(device, port_num,
324 IB_MGMT_METHOD_SET,
325 rec, comp_mask,
326 timeout_ms, gfp_mask, callback,
327 context, query);
328}
329
330/**
331 * ib_sa_mcmember_rec_delete - Start an MCMember delete query
332 * @device:device to send query on
333 * @port_num: port number to send query on
334 * @rec:MCMember Record to send in query
335 * @comp_mask:component mask to send in query
336 * @timeout_ms:time to wait for response
337 * @gfp_mask:GFP mask to use for internal allocations
338 * @callback:function called when query completes, times out or is
339 * canceled
340 * @context:opaque user context passed to callback
341 * @sa_query:query context, used to cancel query
342 *
343 * Send an MCMember Delete query to the SA (eg to leave a multicast
344 * group). The callback function will be called when the query
345 * completes (or fails); status is 0 for a successful response, -EINTR
346 * if the query is canceled, -ETIMEDOUT is the query timed out, or
347 * -EIO if an error occurred sending the query. The resp parameter of
348 * the callback is only valid if status is 0.
349 *
350 * If the return value of ib_sa_mcmember_rec_delete() is negative, it
351 * is an error code. Otherwise it is a query ID that can be used to
352 * cancel the query.
353 */
354static inline int
355ib_sa_mcmember_rec_delete(struct ib_device *device, u8 port_num,
356 struct ib_sa_mcmember_rec *rec,
357 ib_sa_comp_mask comp_mask,
358 int timeout_ms, unsigned int __nocast gfp_mask,
359 void (*callback)(int status,
360 struct ib_sa_mcmember_rec *resp,
361 void *context),
362 void *context,
363 struct ib_sa_query **query)
364{
365 return ib_sa_mcmember_rec_query(device, port_num,
366 IB_SA_METHOD_DELETE,
367 rec, comp_mask,
368 timeout_ms, gfp_mask, callback,
369 context, query);
370}
371
372
373#endif /* IB_SA_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-14 19:59:53 -0500