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Merge remote-tracking branch 'spi/topic/xilinx' into spi-next
[deliverable/linux.git] / drivers / infiniband / core / cm_msgs.h
CommitLineData
a977049d 1/*
ef700446 2 * Copyright (c) 2004, 2011 Intel Corporation. All rights reserved.
a977049d
HR		 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
a4d61e84 37#include <rdma/ib_mad.h>
5d861be8 38#include <rdma/ib_cm.h>
a977049d
HR		 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
a977049d
HR		 47enum 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
54struct cm_req_msg {
55 struct ib_mad_hdr hdr;
56
97f52eb4
SH		 57 __be32 local_comm_id;
58 __be32 rsvd4;
59 __be64 service_id;
60 __be64 local_ca_guid;
61 __be32 rsvd24;
62 __be32 local_qkey;
a977049d 63 /* local QPN:24, responder resources:8 */
97f52eb4 64 __be32 offset32;
a977049d 65 /* local EECN:24, initiator depth:8 */
97f52eb4 66 __be32 offset36;
a977049d
HR		 67 /*
68 * remote EECN:24, remote CM response timeout:5,
69 * transport service type:2, end-to-end flow control:1
70 */
97f52eb4 71 __be32 offset40;
a977049d 72 /* starting PSN:24, local CM response timeout:5, retry count:3 */
97f52eb4
SH		 73 __be32 offset44;
74 __be16 pkey;
a977049d
HR		 75 /* path MTU:4, RDC exists:1, RNR retry count:3. */
76 u8 offset50;
d26a360b 77 /* max CM Retries:4, SRQ:1, extended transport type:3 */
a977049d
HR		 78 u8 offset51;
79
97f52eb4
SH		 80 __be16 primary_local_lid;
81 __be16 primary_remote_lid;
a977049d
HR		 82 union ib_gid primary_local_gid;
83 union ib_gid primary_remote_gid;
84 /* flow label:20, rsvd:6, packet rate:6 */
97f52eb4 85 __be32 primary_offset88;
a977049d
HR		 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
97f52eb4
SH		 93 __be16 alt_local_lid;
94 __be16 alt_remote_lid;
a977049d
HR		 95 union ib_gid alt_local_gid;
96 union ib_gid alt_remote_gid;
97 /* flow label:20, rsvd:6, packet rate:6 */
97f52eb4 98 __be32 alt_offset132;
a977049d
HR		 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
0d0f738f 106 u32 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE / sizeof(u32)];
a977049d
HR		 107
108} __attribute__ ((packed));
109
97f52eb4 110static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg)
a977049d
HR		 111{
112 return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8);
113}
114
97f52eb4 115static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn)
a977049d
HR		 116{
117 req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
118 (be32_to_cpu(req_msg->offset32) &
119 0x000000FF));
120}
121
122static 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
127static 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
134static 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
139static 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
147static 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
152static 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
160static 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;
d26a360b
SH		 166 case 3:
167 switch (req_msg->offset51 & 0x7) {
168 case 1: return IB_QPT_XRC_TGT;
169 default: return 0;
170 }
a977049d
HR		 171 default: return 0;
172 }
173}
174
175static 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);
3910f44d 183 break;
d26a360b
SH		 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;
a977049d
HR		 190 default:
191 req_msg->offset40 = cpu_to_be32(be32_to_cpu(
192 req_msg->offset40) &
193 0xFFFFFFF9);
194 }
195}
196
197static 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
202static 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
97f52eb4 210static inline __be32 cm_req_get_starting_psn(struct cm_req_msg *req_msg)
a977049d
HR		 211{
212 return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8);
213}
214
215static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg,
97f52eb4 216 __be32 starting_psn)
a977049d
HR		 217{
218 req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
219 (be32_to_cpu(req_msg->offset44) & 0x000000FF));
220}
221
222static 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
227static 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
234static 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
239static 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
246static inline u8 cm_req_get_path_mtu(struct cm_req_msg *req_msg)
247{
248 return req_msg->offset50 >> 4;
249}
250
251static 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
256static inline u8 cm_req_get_rnr_retry_count(struct cm_req_msg *req_msg)
257{
258 return req_msg->offset50 & 0x7;
259}
260
261static 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
268static inline u8 cm_req_get_max_cm_retries(struct cm_req_msg *req_msg)
269{
270 return req_msg->offset51 >> 4;
271}
272
273static 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
279static inline u8 cm_req_get_srq(struct cm_req_msg *req_msg)
280{
281 return (req_msg->offset51 & 0x8) >> 3;
282}
283
284static 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
97f52eb4 290static inline __be32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg)
a977049d 291{
97f52eb4 292 return cpu_to_be32(be32_to_cpu(req_msg->primary_offset88) >> 12);
a977049d
HR		 293}
294
295static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg,
97f52eb4 296 __be32 flow_label)
a977049d
HR		 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
304static 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
309static 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
317static inline u8 cm_req_get_primary_sl(struct cm_req_msg *req_msg)
318{
319 return (u8) (req_msg->primary_offset94 >> 4);
320}
321
322static 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
328static 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
333static 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
340static 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
345static 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
97f52eb4 352static inline __be32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg)
a977049d 353{
97f52eb4 354 return cpu_to_be32(be32_to_cpu(req_msg->alt_offset132) >> 12);
a977049d
HR		 355}
356
357static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg,
97f52eb4 358 __be32 flow_label)
a977049d
HR		 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
366static 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
371static 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
379static inline u8 cm_req_get_alt_sl(struct cm_req_msg *req_msg)
380{
381 return (u8) (req_msg->alt_offset138 >> 4);
382}
383
384static 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
390static 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
395static 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
402static 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
407static 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 */
415enum 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
97f52eb4
SH		 424 __be32 local_comm_id;
425 __be32 remote_comm_id;
a977049d
HR		 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
435static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg)
436{
437 return (u8) (mra_msg->offset8 >> 6);
438}
439
440static 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
445static inline u8 cm_mra_get_service_timeout(struct cm_mra_msg *mra_msg)
446{
447 return (u8) (mra_msg->offset9 >> 3);
448}
449
450static 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
457struct cm_rej_msg {
458 struct ib_mad_hdr hdr;
459
97f52eb4
SH		 460 __be32 local_comm_id;
461 __be32 remote_comm_id;
a977049d
HR		 462 /* message REJected:2, rsvd:6 */
463 u8 offset8;
464 /* reject info length:7, rsvd:1. */
465 u8 offset9;
97f52eb4 466 __be16 reason;
a977049d
HR		 467 u8 ari[IB_CM_REJ_ARI_LENGTH];
468
469 u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE];
470
471} __attribute__ ((packed));
472
473static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg)
474{
475 return (u8) (rej_msg->offset8 >> 6);
476}
477
478static 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
483static inline u8 cm_rej_get_reject_info_len(struct cm_rej_msg *rej_msg)
484{
485 return (u8) (rej_msg->offset9 >> 1);
486}
487
488static 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
494struct cm_rep_msg {
495 struct ib_mad_hdr hdr;
496
97f52eb4
SH		 497 __be32 local_comm_id;
498 __be32 remote_comm_id;
499 __be32 local_qkey;
a977049d 500 /* local QPN:24, rsvd:8 */
97f52eb4 501 __be32 offset12;
a977049d 502 /* local EECN:24, rsvd:8 */
97f52eb4 503 __be32 offset16;
a977049d 504 /* starting PSN:24 rsvd:8 */
97f52eb4 505 __be32 offset20;
a977049d
HR		 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;
97f52eb4 512 __be64 local_ca_guid;
a977049d
HR		 513
514 u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE];
515
516} __attribute__ ((packed));
517
97f52eb4 518static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg)
a977049d
HR		 519{
520 return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8);
521}
522
97f52eb4 523static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn)
a977049d
HR		 524{
525 rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
526 (be32_to_cpu(rep_msg->offset12) & 0x000000FF));
527}
528
ef700446
SH		 529static 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
534static 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
540static 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
97f52eb4 546static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg)
a977049d
HR		 547{
548 return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8);
549}
550
551static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg,
97f52eb4 552 __be32 starting_psn)
a977049d
HR		 553{
554 rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
555 (be32_to_cpu(rep_msg->offset20) & 0x000000FF));
556}
557
558static inline u8 cm_rep_get_target_ack_delay(struct cm_rep_msg *rep_msg)
559{
560 return (u8) (rep_msg->offset26 >> 3);
561}
562
563static 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
570static inline u8 cm_rep_get_failover(struct cm_rep_msg *rep_msg)
571{
572 return (u8) ((rep_msg->offset26 & 0x06) >> 1);
573}
574
575static 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
581static inline u8 cm_rep_get_flow_ctrl(struct cm_rep_msg *rep_msg)
582{
583 return (u8) (rep_msg->offset26 & 0x01);
584}
585
586static 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
593static inline u8 cm_rep_get_rnr_retry_count(struct cm_rep_msg *rep_msg)
594{
595 return (u8) (rep_msg->offset27 >> 5);
596}
597
598static 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
605static inline u8 cm_rep_get_srq(struct cm_rep_msg *rep_msg)
606{
607 return (u8) ((rep_msg->offset27 >> 4) & 0x1);
608}
609
610static 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
616struct cm_rtu_msg {
617 struct ib_mad_hdr hdr;
618
97f52eb4
SH		 619 __be32 local_comm_id;
620 __be32 remote_comm_id;
a977049d
HR		 621
622 u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE];
623
624} __attribute__ ((packed));
625
626struct cm_dreq_msg {
627 struct ib_mad_hdr hdr;
628
97f52eb4
SH		 629 __be32 local_comm_id;
630 __be32 remote_comm_id;
a977049d 631 /* remote QPN/EECN:24, rsvd:8 */
97f52eb4 632 __be32 offset8;
a977049d
HR		 633
634 u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE];
635
636} __attribute__ ((packed));
637
97f52eb4 638static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg)
a977049d
HR		 639{
640 return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8);
641}
642
97f52eb4 643static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn)
a977049d
HR		 644{
645 dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
646 (be32_to_cpu(dreq_msg->offset8) & 0x000000FF));
647}
648
649struct cm_drep_msg {
650 struct ib_mad_hdr hdr;
651
97f52eb4
SH		 652 __be32 local_comm_id;
653 __be32 remote_comm_id;
a977049d
HR		 654
655 u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE];
656
657} __attribute__ ((packed));
658
659struct cm_lap_msg {
660 struct ib_mad_hdr hdr;
661
97f52eb4
SH		 662 __be32 local_comm_id;
663 __be32 remote_comm_id;
a977049d 664
97f52eb4 665 __be32 rsvd8;
a977049d 666 /* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */
97f52eb4
SH		 667 __be32 offset12;
668 __be32 rsvd16;
a977049d 669
97f52eb4
SH		 670 __be16 alt_local_lid;
671 __be16 alt_remote_lid;
a977049d
HR		 672 union ib_gid alt_local_gid;
673 union ib_gid alt_remote_gid;
674 /* flow label:20, rsvd:4, traffic class:8 */
97f52eb4 675 __be32 offset56;
a977049d
HR		 676 u8 alt_hop_limit;
677 /* rsvd:2, packet rate:6 */
97f52eb4 678 u8 offset61;
a977049d 679 /* SL:4, subnet local:1, rsvd:3 */
97f52eb4 680 u8 offset62;
a977049d 681 /* local ACK timeout:5, rsvd:3 */
97f52eb4 682 u8 offset63;
a977049d
HR		 683
684 u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE];
685} __attribute__ ((packed));
686
97f52eb4 687static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg)
a977049d
HR		 688{
689 return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8);
690}
691
97f52eb4 692static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn)
a977049d
HR		 693{
694 lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
695 (be32_to_cpu(lap_msg->offset12) &
696 0x000000FF));
697}
698
699static 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
704static 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
97f52eb4 712static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg)
a977049d 713{
97f52eb4 714 return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12);
a977049d
HR		 715}
716
717static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg,
97f52eb4 718 __be32 flow_label)
a977049d 719{
97f52eb4
SH		 720 lap_msg->offset56 = cpu_to_be32(
721 (be32_to_cpu(lap_msg->offset56) & 0x00000FFF) |
722 (be32_to_cpu(flow_label) << 12));
a977049d
HR		 723}
724
725static 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
730static 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
738static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg)
739{
740 return lap_msg->offset61 & 0x3F;
741}
742
743static 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
749static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg)
750{
751 return lap_msg->offset62 >> 4;
752}
753
754static 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
759static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg)
760{
761 return (lap_msg->offset62 >> 3) & 0x1;
762}
763
764static 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}
770static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg)
771{
772 return lap_msg->offset63 >> 3;
773}
774
775static 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
782struct cm_apr_msg {
783 struct ib_mad_hdr hdr;
784
97f52eb4
SH		 785 __be32 local_comm_id;
786 __be32 remote_comm_id;
a977049d
HR		 787
788 u8 info_length;
789 u8 ap_status;
6f233d30 790 __be16 rsvd;
a977049d
HR		 791 u8 info[IB_CM_APR_INFO_LENGTH];
792
793 u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE];
794} __attribute__ ((packed));
795
796struct cm_sidr_req_msg {
797 struct ib_mad_hdr hdr;
798
97f52eb4
SH		 799 __be32 request_id;
800 __be16 pkey;
801 __be16 rsvd;
802 __be64 service_id;
a977049d 803
0d0f738f 804 u32 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE / sizeof(u32)];
a977049d
HR		 805} __attribute__ ((packed));
806
807struct cm_sidr_rep_msg {
808 struct ib_mad_hdr hdr;
809
97f52eb4 810 __be32 request_id;
a977049d
HR		 811 u8 status;
812 u8 info_length;
97f52eb4 813 __be16 rsvd;
a977049d 814 /* QPN:24, rsvd:8 */
97f52eb4
SH		 815 __be32 offset8;
816 __be64 service_id;
817 __be32 qkey;
a977049d
HR		 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
97f52eb4 823static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg)
a977049d
HR		 824{
825 return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8);
826}
827
828static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg,
97f52eb4 829 __be32 qpn)
a977049d
HR		 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 kernel - Deliverables
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