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x86/xen: resume timer irqs early
[linux/fpc-iii.git] / drivers / infiniband / core / cm_msgs.h
blobbe068f47e47e86b79065356e62bf1d193c1da36f
1 /*
2 * Copyright (c) 2004, 2011 Intel Corporation. All rights reserved.
3 * Copyright (c) 2004 Topspin Corporation. All rights reserved.
4 * Copyright (c) 2004 Voltaire Corporation. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING the madirectory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use source and binary forms, with or
13 * withmodification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retathe above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHWARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS THE
32 * SOFTWARE.
33 */
34 #if !defined(CM_MSGS_H)
35 #define CM_MSGS_H
36
37 #include <rdma/ib_mad.h>
38 #include <rdma/ib_cm.h>
39
40 /*
41 * Parameters to routines below should be in network-byte order, and values
42 * are returned in network-byte order.
43 */
44
45 #define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */
46
47 enum cm_msg_sequence {
48 CM_MSG_SEQUENCE_REQ,
49 CM_MSG_SEQUENCE_LAP,
50 CM_MSG_SEQUENCE_DREQ,
51 CM_MSG_SEQUENCE_SIDR
52 };
53
54 struct cm_req_msg {
55 struct ib_mad_hdr hdr;
56
57 __be32 local_comm_id;
58 __be32 rsvd4;
59 __be64 service_id;
60 __be64 local_ca_guid;
61 __be32 rsvd24;
62 __be32 local_qkey;
63 /* local QPN:24, responder resources:8 */
64 __be32 offset32;
65 /* local EECN:24, initiator depth:8 */
66 __be32 offset36;
67 /*
68 * remote EECN:24, remote CM response timeout:5,
69 * transport service type:2, end-to-end flow control:1
70 */
71 __be32 offset40;
72 /* starting PSN:24, local CM response timeout:5, retry count:3 */
73 __be32 offset44;
74 __be16 pkey;
75 /* path MTU:4, RDC exists:1, RNR retry count:3. */
76 u8 offset50;
77 /* max CM Retries:4, SRQ:1, extended transport type:3 */
78 u8 offset51;
79
80 __be16 primary_local_lid;
81 __be16 primary_remote_lid;
82 union ib_gid primary_local_gid;
83 union ib_gid primary_remote_gid;
84 /* flow label:20, rsvd:6, packet rate:6 */
85 __be32 primary_offset88;
86 u8 primary_traffic_class;
87 u8 primary_hop_limit;
88 /* SL:4, subnet local:1, rsvd:3 */
89 u8 primary_offset94;
90 /* local ACK timeout:5, rsvd:3 */
91 u8 primary_offset95;
92
93 __be16 alt_local_lid;
94 __be16 alt_remote_lid;
95 union ib_gid alt_local_gid;
96 union ib_gid alt_remote_gid;
97 /* flow label:20, rsvd:6, packet rate:6 */
98 __be32 alt_offset132;
99 u8 alt_traffic_class;
100 u8 alt_hop_limit;
101 /* SL:4, subnet local:1, rsvd:3 */
102 u8 alt_offset138;
103 /* local ACK timeout:5, rsvd:3 */
104 u8 alt_offset139;
105
106 u8 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE];
107
108 } __attribute__ ((packed));
109
110 static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg)
111 {
112 return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8);
113 }
114
115 static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn)
116 {
117 req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
118 (be32_to_cpu(req_msg->offset32) &
119 0x000000FF));
120 }
121
122 static inline u8 cm_req_get_resp_res(struct cm_req_msg *req_msg)
123 {
124 return (u8) be32_to_cpu(req_msg->offset32);
125 }
126
127 static inline void cm_req_set_resp_res(struct cm_req_msg *req_msg, u8 resp_res)
128 {
129 req_msg->offset32 = cpu_to_be32(resp_res |
130 (be32_to_cpu(req_msg->offset32) &
131 0xFFFFFF00));
132 }
133
134 static inline u8 cm_req_get_init_depth(struct cm_req_msg *req_msg)
135 {
136 return (u8) be32_to_cpu(req_msg->offset36);
137 }
138
139 static inline void cm_req_set_init_depth(struct cm_req_msg *req_msg,
140 u8 init_depth)
141 {
142 req_msg->offset36 = cpu_to_be32(init_depth |
143 (be32_to_cpu(req_msg->offset36) &
144 0xFFFFFF00));
145 }
146
147 static inline u8 cm_req_get_remote_resp_timeout(struct cm_req_msg *req_msg)
148 {
149 return (u8) ((be32_to_cpu(req_msg->offset40) & 0xF8) >> 3);
150 }
151
152 static inline void cm_req_set_remote_resp_timeout(struct cm_req_msg *req_msg,
153 u8 resp_timeout)
154 {
155 req_msg->offset40 = cpu_to_be32((resp_timeout << 3) |
156 (be32_to_cpu(req_msg->offset40) &
157 0xFFFFFF07));
158 }
159
160 static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg)
161 {
162 u8 transport_type = (u8) (be32_to_cpu(req_msg->offset40) & 0x06) >> 1;
163 switch(transport_type) {
164 case 0: return IB_QPT_RC;
165 case 1: return IB_QPT_UC;
166 case 3:
167 switch (req_msg->offset51 & 0x7) {
168 case 1: return IB_QPT_XRC_TGT;
169 default: return 0;
170 }
171 default: return 0;
172 }
173 }
174
175 static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg,
176 enum ib_qp_type qp_type)
177 {
178 switch(qp_type) {
179 case IB_QPT_UC:
180 req_msg->offset40 = cpu_to_be32((be32_to_cpu(
181 req_msg->offset40) &
182 0xFFFFFFF9) | 0x2);
183 break;
184 case IB_QPT_XRC_INI:
185 req_msg->offset40 = cpu_to_be32((be32_to_cpu(
186 req_msg->offset40) &
187 0xFFFFFFF9) | 0x6);
188 req_msg->offset51 = (req_msg->offset51 & 0xF8) | 1;
189 break;
190 default:
191 req_msg->offset40 = cpu_to_be32(be32_to_cpu(
192 req_msg->offset40) &
193 0xFFFFFFF9);
194 }
195 }
196
197 static inline u8 cm_req_get_flow_ctrl(struct cm_req_msg *req_msg)
198 {
199 return be32_to_cpu(req_msg->offset40) & 0x1;
200 }
201
202 static inline void cm_req_set_flow_ctrl(struct cm_req_msg *req_msg,
203 u8 flow_ctrl)
204 {
205 req_msg->offset40 = cpu_to_be32((flow_ctrl & 0x1) |
206 (be32_to_cpu(req_msg->offset40) &
207 0xFFFFFFFE));
208 }
209
210 static inline __be32 cm_req_get_starting_psn(struct cm_req_msg *req_msg)
211 {
212 return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8);
213 }
214
215 static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg,
216 __be32 starting_psn)
217 {
218 req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
219 (be32_to_cpu(req_msg->offset44) & 0x000000FF));
220 }
221
222 static inline u8 cm_req_get_local_resp_timeout(struct cm_req_msg *req_msg)
223 {
224 return (u8) ((be32_to_cpu(req_msg->offset44) & 0xF8) >> 3);
225 }
226
227 static inline void cm_req_set_local_resp_timeout(struct cm_req_msg *req_msg,
228 u8 resp_timeout)
229 {
230 req_msg->offset44 = cpu_to_be32((resp_timeout << 3) |
231 (be32_to_cpu(req_msg->offset44) & 0xFFFFFF07));
232 }
233
234 static inline u8 cm_req_get_retry_count(struct cm_req_msg *req_msg)
235 {
236 return (u8) (be32_to_cpu(req_msg->offset44) & 0x7);
237 }
238
239 static inline void cm_req_set_retry_count(struct cm_req_msg *req_msg,
240 u8 retry_count)
241 {
242 req_msg->offset44 = cpu_to_be32((retry_count & 0x7) |
243 (be32_to_cpu(req_msg->offset44) & 0xFFFFFFF8));
244 }
245
246 static inline u8 cm_req_get_path_mtu(struct cm_req_msg *req_msg)
247 {
248 return req_msg->offset50 >> 4;
249 }
250
251 static inline void cm_req_set_path_mtu(struct cm_req_msg *req_msg, u8 path_mtu)
252 {
253 req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF) | (path_mtu << 4));
254 }
255
256 static inline u8 cm_req_get_rnr_retry_count(struct cm_req_msg *req_msg)
257 {
258 return req_msg->offset50 & 0x7;
259 }
260
261 static inline void cm_req_set_rnr_retry_count(struct cm_req_msg *req_msg,
262 u8 rnr_retry_count)
263 {
264 req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF8) |
265 (rnr_retry_count & 0x7));
266 }
267
268 static inline u8 cm_req_get_max_cm_retries(struct cm_req_msg *req_msg)
269 {
270 return req_msg->offset51 >> 4;
271 }
272
273 static inline void cm_req_set_max_cm_retries(struct cm_req_msg *req_msg,
274 u8 retries)
275 {
276 req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF) | (retries << 4));
277 }
278
279 static inline u8 cm_req_get_srq(struct cm_req_msg *req_msg)
280 {
281 return (req_msg->offset51 & 0x8) >> 3;
282 }
283
284 static inline void cm_req_set_srq(struct cm_req_msg *req_msg, u8 srq)
285 {
286 req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF7) |
287 ((srq & 0x1) << 3));
288 }
289
290 static inline __be32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg)
291 {
292 return cpu_to_be32(be32_to_cpu(req_msg->primary_offset88) >> 12);
293 }
294
295 static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg,
296 __be32 flow_label)
297 {
298 req_msg->primary_offset88 = cpu_to_be32(
299 (be32_to_cpu(req_msg->primary_offset88) &
300 0x00000FFF) |
301 (be32_to_cpu(flow_label) << 12));
302 }
303
304 static inline u8 cm_req_get_primary_packet_rate(struct cm_req_msg *req_msg)
305 {
306 return (u8) (be32_to_cpu(req_msg->primary_offset88) & 0x3F);
307 }
308
309 static inline void cm_req_set_primary_packet_rate(struct cm_req_msg *req_msg,
310 u8 rate)
311 {
312 req_msg->primary_offset88 = cpu_to_be32(
313 (be32_to_cpu(req_msg->primary_offset88) &
314 0xFFFFFFC0) | (rate & 0x3F));
315 }
316
317 static inline u8 cm_req_get_primary_sl(struct cm_req_msg *req_msg)
318 {
319 return (u8) (req_msg->primary_offset94 >> 4);
320 }
321
322 static inline void cm_req_set_primary_sl(struct cm_req_msg *req_msg, u8 sl)
323 {
324 req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0x0F) |
325 (sl << 4));
326 }
327
328 static inline u8 cm_req_get_primary_subnet_local(struct cm_req_msg *req_msg)
329 {
330 return (u8) ((req_msg->primary_offset94 & 0x08) >> 3);
331 }
332
333 static inline void cm_req_set_primary_subnet_local(struct cm_req_msg *req_msg,
334 u8 subnet_local)
335 {
336 req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0xF7) |
337 ((subnet_local & 0x1) << 3));
338 }
339
340 static inline u8 cm_req_get_primary_local_ack_timeout(struct cm_req_msg *req_msg)
341 {
342 return (u8) (req_msg->primary_offset95 >> 3);
343 }
344
345 static inline void cm_req_set_primary_local_ack_timeout(struct cm_req_msg *req_msg,
346 u8 local_ack_timeout)
347 {
348 req_msg->primary_offset95 = (u8) ((req_msg->primary_offset95 & 0x07) |
349 (local_ack_timeout << 3));
350 }
351
352 static inline __be32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg)
353 {
354 return cpu_to_be32(be32_to_cpu(req_msg->alt_offset132) >> 12);
355 }
356
357 static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg,
358 __be32 flow_label)
359 {
360 req_msg->alt_offset132 = cpu_to_be32(
361 (be32_to_cpu(req_msg->alt_offset132) &
362 0x00000FFF) |
363 (be32_to_cpu(flow_label) << 12));
364 }
365
366 static inline u8 cm_req_get_alt_packet_rate(struct cm_req_msg *req_msg)
367 {
368 return (u8) (be32_to_cpu(req_msg->alt_offset132) & 0x3F);
369 }
370
371 static inline void cm_req_set_alt_packet_rate(struct cm_req_msg *req_msg,
372 u8 rate)
373 {
374 req_msg->alt_offset132 = cpu_to_be32(
375 (be32_to_cpu(req_msg->alt_offset132) &
376 0xFFFFFFC0) | (rate & 0x3F));
377 }
378
379 static inline u8 cm_req_get_alt_sl(struct cm_req_msg *req_msg)
380 {
381 return (u8) (req_msg->alt_offset138 >> 4);
382 }
383
384 static inline void cm_req_set_alt_sl(struct cm_req_msg *req_msg, u8 sl)
385 {
386 req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0x0F) |
387 (sl << 4));
388 }
389
390 static inline u8 cm_req_get_alt_subnet_local(struct cm_req_msg *req_msg)
391 {
392 return (u8) ((req_msg->alt_offset138 & 0x08) >> 3);
393 }
394
395 static inline void cm_req_set_alt_subnet_local(struct cm_req_msg *req_msg,
396 u8 subnet_local)
397 {
398 req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0xF7) |
399 ((subnet_local & 0x1) << 3));
400 }
401
402 static inline u8 cm_req_get_alt_local_ack_timeout(struct cm_req_msg *req_msg)
403 {
404 return (u8) (req_msg->alt_offset139 >> 3);
405 }
406
407 static inline void cm_req_set_alt_local_ack_timeout(struct cm_req_msg *req_msg,
408 u8 local_ack_timeout)
409 {
410 req_msg->alt_offset139 = (u8) ((req_msg->alt_offset139 & 0x07) |
411 (local_ack_timeout << 3));
412 }
413
414 /* Message REJected or MRAed */
415 enum cm_msg_response {
416 CM_MSG_RESPONSE_REQ = 0x0,
417 CM_MSG_RESPONSE_REP = 0x1,
418 CM_MSG_RESPONSE_OTHER = 0x2
419 };
420
421 struct cm_mra_msg {
422 struct ib_mad_hdr hdr;
423
424 __be32 local_comm_id;
425 __be32 remote_comm_id;
426 /* message MRAed:2, rsvd:6 */
427 u8 offset8;
428 /* service timeout:5, rsvd:3 */
429 u8 offset9;
430
431 u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE];
432
433 } __attribute__ ((packed));
434
435 static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg)
436 {
437 return (u8) (mra_msg->offset8 >> 6);
438 }
439
440 static inline void cm_mra_set_msg_mraed(struct cm_mra_msg *mra_msg, u8 msg)
441 {
442 mra_msg->offset8 = (u8) ((mra_msg->offset8 & 0x3F) | (msg << 6));
443 }
444
445 static inline u8 cm_mra_get_service_timeout(struct cm_mra_msg *mra_msg)
446 {
447 return (u8) (mra_msg->offset9 >> 3);
448 }
449
450 static inline void cm_mra_set_service_timeout(struct cm_mra_msg *mra_msg,
451 u8 service_timeout)
452 {
453 mra_msg->offset9 = (u8) ((mra_msg->offset9 & 0x07) |
454 (service_timeout << 3));
455 }
456
457 struct cm_rej_msg {
458 struct ib_mad_hdr hdr;
459
460 __be32 local_comm_id;
461 __be32 remote_comm_id;
462 /* message REJected:2, rsvd:6 */
463 u8 offset8;
464 /* reject info length:7, rsvd:1. */
465 u8 offset9;
466 __be16 reason;
467 u8 ari[IB_CM_REJ_ARI_LENGTH];
468
469 u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE];
470
471 } __attribute__ ((packed));
472
473 static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg)
474 {
475 return (u8) (rej_msg->offset8 >> 6);
476 }
477
478 static inline void cm_rej_set_msg_rejected(struct cm_rej_msg *rej_msg, u8 msg)
479 {
480 rej_msg->offset8 = (u8) ((rej_msg->offset8 & 0x3F) | (msg << 6));
481 }
482
483 static inline u8 cm_rej_get_reject_info_len(struct cm_rej_msg *rej_msg)
484 {
485 return (u8) (rej_msg->offset9 >> 1);
486 }
487
488 static inline void cm_rej_set_reject_info_len(struct cm_rej_msg *rej_msg,
489 u8 len)
490 {
491 rej_msg->offset9 = (u8) ((rej_msg->offset9 & 0x1) | (len << 1));
492 }
493
494 struct cm_rep_msg {
495 struct ib_mad_hdr hdr;
496
497 __be32 local_comm_id;
498 __be32 remote_comm_id;
499 __be32 local_qkey;
500 /* local QPN:24, rsvd:8 */
501 __be32 offset12;
502 /* local EECN:24, rsvd:8 */
503 __be32 offset16;
504 /* starting PSN:24 rsvd:8 */
505 __be32 offset20;
506 u8 resp_resources;
507 u8 initiator_depth;
508 /* target ACK delay:5, failover accepted:2, end-to-end flow control:1 */
509 u8 offset26;
510 /* RNR retry count:3, SRQ:1, rsvd:5 */
511 u8 offset27;
512 __be64 local_ca_guid;
513
514 u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE];
515
516 } __attribute__ ((packed));
517
518 static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg)
519 {
520 return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8);
521 }
522
523 static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn)
524 {
525 rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
526 (be32_to_cpu(rep_msg->offset12) & 0x000000FF));
527 }
528
529 static inline __be32 cm_rep_get_local_eecn(struct cm_rep_msg *rep_msg)
530 {
531 return cpu_to_be32(be32_to_cpu(rep_msg->offset16) >> 8);
532 }
533
534 static inline void cm_rep_set_local_eecn(struct cm_rep_msg *rep_msg, __be32 eecn)
535 {
536 rep_msg->offset16 = cpu_to_be32((be32_to_cpu(eecn) << 8) |
537 (be32_to_cpu(rep_msg->offset16) & 0x000000FF));
538 }
539
540 static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type qp_type)
541 {
542 return (qp_type == IB_QPT_XRC_INI) ?
543 cm_rep_get_local_eecn(rep_msg) : cm_rep_get_local_qpn(rep_msg);
544 }
545
546 static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg)
547 {
548 return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8);
549 }
550
551 static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg,
552 __be32 starting_psn)
553 {
554 rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
555 (be32_to_cpu(rep_msg->offset20) & 0x000000FF));
556 }
557
558 static inline u8 cm_rep_get_target_ack_delay(struct cm_rep_msg *rep_msg)
559 {
560 return (u8) (rep_msg->offset26 >> 3);
561 }
562
563 static inline void cm_rep_set_target_ack_delay(struct cm_rep_msg *rep_msg,
564 u8 target_ack_delay)
565 {
566 rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0x07) |
567 (target_ack_delay << 3));
568 }
569
570 static inline u8 cm_rep_get_failover(struct cm_rep_msg *rep_msg)
571 {
572 return (u8) ((rep_msg->offset26 & 0x06) >> 1);
573 }
574
575 static inline void cm_rep_set_failover(struct cm_rep_msg *rep_msg, u8 failover)
576 {
577 rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xF9) |
578 ((failover & 0x3) << 1));
579 }
580
581 static inline u8 cm_rep_get_flow_ctrl(struct cm_rep_msg *rep_msg)
582 {
583 return (u8) (rep_msg->offset26 & 0x01);
584 }
585
586 static inline void cm_rep_set_flow_ctrl(struct cm_rep_msg *rep_msg,
587 u8 flow_ctrl)
588 {
589 rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xFE) |
590 (flow_ctrl & 0x1));
591 }
592
593 static inline u8 cm_rep_get_rnr_retry_count(struct cm_rep_msg *rep_msg)
594 {
595 return (u8) (rep_msg->offset27 >> 5);
596 }
597
598 static inline void cm_rep_set_rnr_retry_count(struct cm_rep_msg *rep_msg,
599 u8 rnr_retry_count)
600 {
601 rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0x1F) |
602 (rnr_retry_count << 5));
603 }
604
605 static inline u8 cm_rep_get_srq(struct cm_rep_msg *rep_msg)
606 {
607 return (u8) ((rep_msg->offset27 >> 4) & 0x1);
608 }
609
610 static inline void cm_rep_set_srq(struct cm_rep_msg *rep_msg, u8 srq)
611 {
612 rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0xEF) |
613 ((srq & 0x1) << 4));
614 }
615
616 struct cm_rtu_msg {
617 struct ib_mad_hdr hdr;
618
619 __be32 local_comm_id;
620 __be32 remote_comm_id;
621
622 u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE];
623
624 } __attribute__ ((packed));
625
626 struct cm_dreq_msg {
627 struct ib_mad_hdr hdr;
628
629 __be32 local_comm_id;
630 __be32 remote_comm_id;
631 /* remote QPN/EECN:24, rsvd:8 */
632 __be32 offset8;
633
634 u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE];
635
636 } __attribute__ ((packed));
637
638 static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg)
639 {
640 return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8);
641 }
642
643 static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn)
644 {
645 dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
646 (be32_to_cpu(dreq_msg->offset8) & 0x000000FF));
647 }
648
649 struct cm_drep_msg {
650 struct ib_mad_hdr hdr;
651
652 __be32 local_comm_id;
653 __be32 remote_comm_id;
654
655 u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE];
656
657 } __attribute__ ((packed));
658
659 struct cm_lap_msg {
660 struct ib_mad_hdr hdr;
661
662 __be32 local_comm_id;
663 __be32 remote_comm_id;
664
665 __be32 rsvd8;
666 /* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */
667 __be32 offset12;
668 __be32 rsvd16;
669
670 __be16 alt_local_lid;
671 __be16 alt_remote_lid;
672 union ib_gid alt_local_gid;
673 union ib_gid alt_remote_gid;
674 /* flow label:20, rsvd:4, traffic class:8 */
675 __be32 offset56;
676 u8 alt_hop_limit;
677 /* rsvd:2, packet rate:6 */
678 u8 offset61;
679 /* SL:4, subnet local:1, rsvd:3 */
680 u8 offset62;
681 /* local ACK timeout:5, rsvd:3 */
682 u8 offset63;
683
684 u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE];
685 } __attribute__ ((packed));
686
687 static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg)
688 {
689 return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8);
690 }
691
692 static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn)
693 {
694 lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
695 (be32_to_cpu(lap_msg->offset12) &
696 0x000000FF));
697 }
698
699 static inline u8 cm_lap_get_remote_resp_timeout(struct cm_lap_msg *lap_msg)
700 {
701 return (u8) ((be32_to_cpu(lap_msg->offset12) & 0xF8) >> 3);
702 }
703
704 static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg,
705 u8 resp_timeout)
706 {
707 lap_msg->offset12 = cpu_to_be32((resp_timeout << 3) |
708 (be32_to_cpu(lap_msg->offset12) &
709 0xFFFFFF07));
710 }
711
712 static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg)
713 {
714 return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12);
715 }
716
717 static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg,
718 __be32 flow_label)
719 {
720 lap_msg->offset56 = cpu_to_be32(
721 (be32_to_cpu(lap_msg->offset56) & 0x00000FFF) |
722 (be32_to_cpu(flow_label) << 12));
723 }
724
725 static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg)
726 {
727 return (u8) be32_to_cpu(lap_msg->offset56);
728 }
729
730 static inline void cm_lap_set_traffic_class(struct cm_lap_msg *lap_msg,
731 u8 traffic_class)
732 {
733 lap_msg->offset56 = cpu_to_be32(traffic_class |
734 (be32_to_cpu(lap_msg->offset56) &
735 0xFFFFFF00));
736 }
737
738 static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg)
739 {
740 return lap_msg->offset61 & 0x3F;
741 }
742
743 static inline void cm_lap_set_packet_rate(struct cm_lap_msg *lap_msg,
744 u8 packet_rate)
745 {
746 lap_msg->offset61 = (packet_rate & 0x3F) | (lap_msg->offset61 & 0xC0);
747 }
748
749 static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg)
750 {
751 return lap_msg->offset62 >> 4;
752 }
753
754 static inline void cm_lap_set_sl(struct cm_lap_msg *lap_msg, u8 sl)
755 {
756 lap_msg->offset62 = (sl << 4) | (lap_msg->offset62 & 0x0F);
757 }
758
759 static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg)
760 {
761 return (lap_msg->offset62 >> 3) & 0x1;
762 }
763
764 static inline void cm_lap_set_subnet_local(struct cm_lap_msg *lap_msg,
765 u8 subnet_local)
766 {
767 lap_msg->offset62 = ((subnet_local & 0x1) << 3) |
768 (lap_msg->offset61 & 0xF7);
769 }
770 static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg)
771 {
772 return lap_msg->offset63 >> 3;
773 }
774
775 static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg,
776 u8 local_ack_timeout)
777 {
778 lap_msg->offset63 = (local_ack_timeout << 3) |
779 (lap_msg->offset63 & 0x07);
780 }
781
782 struct cm_apr_msg {
783 struct ib_mad_hdr hdr;
784
785 __be32 local_comm_id;
786 __be32 remote_comm_id;
787
788 u8 info_length;
789 u8 ap_status;
790 __be16 rsvd;
791 u8 info[IB_CM_APR_INFO_LENGTH];
792
793 u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE];
794 } __attribute__ ((packed));
795
796 struct cm_sidr_req_msg {
797 struct ib_mad_hdr hdr;
798
799 __be32 request_id;
800 __be16 pkey;
801 __be16 rsvd;
802 __be64 service_id;
803
804 u8 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE];
805 } __attribute__ ((packed));
806
807 struct cm_sidr_rep_msg {
808 struct ib_mad_hdr hdr;
809
810 __be32 request_id;
811 u8 status;
812 u8 info_length;
813 __be16 rsvd;
814 /* QPN:24, rsvd:8 */
815 __be32 offset8;
816 __be64 service_id;
817 __be32 qkey;
818 u8 info[IB_CM_SIDR_REP_INFO_LENGTH];
819
820 u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE];
821 } __attribute__ ((packed));
822
823 static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg)
824 {
825 return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8);
826 }
827
828 static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg,
829 __be32 qpn)
830 {
831 sidr_rep_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
832 (be32_to_cpu(sidr_rep_msg->offset8) &
833 0x000000FF));
834 }
835
836 #endif /* CM_MSGS_H */
Linux with added FPC-III support