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Merge remote-tracking branch 'staging/staging-next'
[deliverable/linux.git] / drivers / staging / lustre / lustre / ptlrpc / pack_generic.c
CommitLineData
d7e09d03
PT		 1/*
2 * GPL HEADER START
3 *
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
6a5b99a4 18 * http://www.gnu.org/licenses/gpl-2.0.html
d7e09d03 19 *
d7e09d03
PT		 20 * GPL HEADER END
21 */
22/*
23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
25 *
26 * Copyright (c) 2011, 2012, Intel Corporation.
27 */
28/*
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
31 *
32 * lustre/ptlrpc/pack_generic.c
33 *
34 * (Un)packing of OST requests
35 *
36 * Author: Peter J. Braam <braam@clusterfs.com>
37 * Author: Phil Schwan <phil@clusterfs.com>
38 * Author: Eric Barton <eeb@clusterfs.com>
39 */
40
41#define DEBUG_SUBSYSTEM S_RPC
42
9fdaf8c0 43#include "../../include/linux/libcfs/libcfs.h"
d7e09d03 44
e27db149
GKH		 45#include "../include/obd_support.h"
46#include "../include/obd_class.h"
47#include "../include/lustre_net.h"
48#include "../include/obd_cksum.h"
49#include "../include/lustre/ll_fiemap.h"
d7e09d03 50
f157d807
IAR		 51#include "ptlrpc_internal.h"
52
d7e09d03
PT		 53static inline int lustre_msg_hdr_size_v2(int count)
54{
55 return cfs_size_round(offsetof(struct lustre_msg_v2,
56 lm_buflens[count]));
57}
58
59int lustre_msg_hdr_size(__u32 magic, int count)
60{
61 switch (magic) {
62 case LUSTRE_MSG_MAGIC_V2:
63 return lustre_msg_hdr_size_v2(count);
64 default:
65 LASSERTF(0, "incorrect message magic: %08x\n", magic);
66 return -EINVAL;
67 }
68}
69EXPORT_SYMBOL(lustre_msg_hdr_size);
70
71void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
72 int index)
73{
74 if (inout)
75 lustre_set_req_swabbed(req, index);
76 else
77 lustre_set_rep_swabbed(req, index);
78}
79EXPORT_SYMBOL(ptlrpc_buf_set_swabbed);
80
81int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
82 int index)
83{
84 if (inout)
85 return (ptlrpc_req_need_swab(req) &&
86 !lustre_req_swabbed(req, index));
87 else
88 return (ptlrpc_rep_need_swab(req) &&
89 !lustre_rep_swabbed(req, index));
90}
91EXPORT_SYMBOL(ptlrpc_buf_need_swab);
92
d7e09d03 93/* early reply size */
7d46a21a 94int lustre_msg_early_size(void)
d7e09d03 95{
225f597c 96 static int size;
50ffcb7e 97
d7e09d03 98 if (!size) {
dfc16973 99 /* Always reply old ptlrpc_body_v2 to keep interoperability
d7e09d03
PT		 100 * with the old client (< 2.3) which doesn't have pb_jobid
101 * in the ptlrpc_body.
102 *
dfc16973 103 * XXX Remove this whenever we drop interoperability with such
d7e09d03
PT		 104 * client.
105 */
106 __u32 pblen = sizeof(struct ptlrpc_body_v2);
50ffcb7e 107
d7e09d03
PT		 108 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
109 }
110 return size;
111}
112EXPORT_SYMBOL(lustre_msg_early_size);
113
114int lustre_msg_size_v2(int count, __u32 *lengths)
115{
116 int size;
117 int i;
118
119 size = lustre_msg_hdr_size_v2(count);
120 for (i = 0; i < count; i++)
121 size += cfs_size_round(lengths[i]);
122
123 return size;
124}
125EXPORT_SYMBOL(lustre_msg_size_v2);
126
127/* This returns the size of the buffer that is required to hold a lustre_msg
128 * with the given sub-buffer lengths.
129 * NOTE: this should only be used for NEW requests, and should always be
130 * in the form of a v2 request. If this is a connection to a v1
131 * target then the first buffer will be stripped because the ptlrpc
dadfcdab
OD		 132 * data is part of the lustre_msg_v1 header. b=14043
133 */
d7e09d03
PT		 134int lustre_msg_size(__u32 magic, int count, __u32 *lens)
135{
136 __u32 size[] = { sizeof(struct ptlrpc_body) };
137
138 if (!lens) {
139 LASSERT(count == 1);
140 lens = size;
141 }
142
143 LASSERT(count > 0);
144 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
145
146 switch (magic) {
147 case LUSTRE_MSG_MAGIC_V2:
148 return lustre_msg_size_v2(count, lens);
149 default:
150 LASSERTF(0, "incorrect message magic: %08x\n", magic);
151 return -EINVAL;
152 }
153}
154EXPORT_SYMBOL(lustre_msg_size);
155
156/* This is used to determine the size of a buffer that was already packed
dadfcdab
OD		 157 * and will correctly handle the different message formats.
158 */
d7e09d03
PT		 159int lustre_packed_msg_size(struct lustre_msg *msg)
160{
161 switch (msg->lm_magic) {
162 case LUSTRE_MSG_MAGIC_V2:
163 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
164 default:
165 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
166 return 0;
167 }
168}
169EXPORT_SYMBOL(lustre_packed_msg_size);
170
171void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
172 char **bufs)
173{
174 char *ptr;
175 int i;
176
177 msg->lm_bufcount = count;
178 /* XXX: lm_secflvr uninitialized here */
179 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
180
181 for (i = 0; i < count; i++)
182 msg->lm_buflens[i] = lens[i];
183
8b382089 184 if (!bufs)
d7e09d03
PT		 185 return;
186
187 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
188 for (i = 0; i < count; i++) {
189 char *tmp = bufs[i];
50ffcb7e 190
d7e09d03
PT		 191 LOGL(tmp, lens[i], ptr);
192 }
193}
194EXPORT_SYMBOL(lustre_init_msg_v2);
195
196static int lustre_pack_request_v2(struct ptlrpc_request *req,
197 int count, __u32 *lens, char **bufs)
198{
199 int reqlen, rc;
200
201 reqlen = lustre_msg_size_v2(count, lens);
202
203 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
204 if (rc)
205 return rc;
206
207 req->rq_reqlen = reqlen;
208
209 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
210 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
211 return 0;
212}
213
214int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
215 __u32 *lens, char **bufs)
216{
217 __u32 size[] = { sizeof(struct ptlrpc_body) };
218
219 if (!lens) {
220 LASSERT(count == 1);
221 lens = size;
222 }
223
224 LASSERT(count > 0);
225 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
226
227 /* only use new format, we don't need to be compatible with 1.4 */
de636b38 228 return lustre_pack_request_v2(req, count, lens, bufs);
d7e09d03
PT		 229}
230EXPORT_SYMBOL(lustre_pack_request);
231
232#if RS_DEBUG
233LIST_HEAD(ptlrpc_rs_debug_lru);
234spinlock_t ptlrpc_rs_debug_lock;
235
236#define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
237do { \
238 spin_lock(&ptlrpc_rs_debug_lock); \
239 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
240 spin_unlock(&ptlrpc_rs_debug_lock); \
241} while (0)
242
243#define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
244do { \
245 spin_lock(&ptlrpc_rs_debug_lock); \
246 list_del(&(rs)->rs_debug_list); \
247 spin_unlock(&ptlrpc_rs_debug_lock); \
248} while (0)
249#else
0d100bfc
KM		 250# define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while (0)
251# define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while (0)
d7e09d03
PT		 252#endif
253
254struct ptlrpc_reply_state *
255lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
256{
257 struct ptlrpc_reply_state *rs = NULL;
258
259 spin_lock(&svcpt->scp_rep_lock);
260
261 /* See if we have anything in a pool, and wait if nothing */
262 while (list_empty(&svcpt->scp_rep_idle)) {
d0bfef31
CH		 263 struct l_wait_info lwi;
264 int rc;
d7e09d03
PT		 265
266 spin_unlock(&svcpt->scp_rep_lock);
267 /* If we cannot get anything for some long time, we better
dadfcdab
OD		 268 * bail out instead of waiting infinitely
269 */
d7e09d03
PT		 270 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
271 rc = l_wait_event(svcpt->scp_rep_waitq,
272 !list_empty(&svcpt->scp_rep_idle), &lwi);
273 if (rc != 0)
274 goto out;
275 spin_lock(&svcpt->scp_rep_lock);
276 }
277
278 rs = list_entry(svcpt->scp_rep_idle.next,
30c0aa39 279 struct ptlrpc_reply_state, rs_list);
d7e09d03
PT		 280 list_del(&rs->rs_list);
281
282 spin_unlock(&svcpt->scp_rep_lock);
283
284 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
a34041af 285 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
d7e09d03
PT		 286 rs->rs_svcpt = svcpt;
287 rs->rs_prealloc = 1;
288out:
289 return rs;
290}
291
292void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
293{
294 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
295
296 spin_lock(&svcpt->scp_rep_lock);
297 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
298 spin_unlock(&svcpt->scp_rep_lock);
299 wake_up(&svcpt->scp_rep_waitq);
300}
301
302int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
303 __u32 *lens, char **bufs, int flags)
304{
305 struct ptlrpc_reply_state *rs;
d0bfef31 306 int msg_len, rc;
d7e09d03 307
8b382089 308 LASSERT(!req->rq_reply_state);
d7e09d03
PT		 309
310 if ((flags & LPRFL_EARLY_REPLY) == 0) {
311 spin_lock(&req->rq_lock);
312 req->rq_packed_final = 1;
313 spin_unlock(&req->rq_lock);
314 }
315
316 msg_len = lustre_msg_size_v2(count, lens);
317 rc = sptlrpc_svc_alloc_rs(req, msg_len);
318 if (rc)
0a3bdb00 319 return rc;
d7e09d03
PT		 320
321 rs = req->rq_reply_state;
322 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
323 rs->rs_cb_id.cbid_fn = reply_out_callback;
324 rs->rs_cb_id.cbid_arg = rs;
325 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
326 INIT_LIST_HEAD(&rs->rs_exp_list);
327 INIT_LIST_HEAD(&rs->rs_obd_list);
328 INIT_LIST_HEAD(&rs->rs_list);
329 spin_lock_init(&rs->rs_lock);
330
331 req->rq_replen = msg_len;
332 req->rq_reply_state = rs;
333 req->rq_repmsg = rs->rs_msg;
334
335 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
336 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
337
338 PTLRPC_RS_DEBUG_LRU_ADD(rs);
339
0a3bdb00 340 return 0;
d7e09d03
PT		 341}
342EXPORT_SYMBOL(lustre_pack_reply_v2);
343
344int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
345 char **bufs, int flags)
346{
347 int rc = 0;
348 __u32 size[] = { sizeof(struct ptlrpc_body) };
349
350 if (!lens) {
351 LASSERT(count == 1);
352 lens = size;
353 }
354
355 LASSERT(count > 0);
356 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
357
358 switch (req->rq_reqmsg->lm_magic) {
359 case LUSTRE_MSG_MAGIC_V2:
360 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
361 break;
362 default:
363 LASSERTF(0, "incorrect message magic: %08x\n",
364 req->rq_reqmsg->lm_magic);
365 rc = -EINVAL;
366 }
367 if (rc != 0)
368 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
369 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
370 return rc;
371}
372EXPORT_SYMBOL(lustre_pack_reply_flags);
373
374int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
375 char **bufs)
376{
377 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
378}
379EXPORT_SYMBOL(lustre_pack_reply);
380
381void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
382{
383 int i, offset, buflen, bufcount;
384
d7e09d03
PT		 385 LASSERT(n >= 0);
386
387 bufcount = m->lm_bufcount;
388 if (unlikely(n >= bufcount)) {
389 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
390 m, n, bufcount);
391 return NULL;
392 }
393
394 buflen = m->lm_buflens[n];
395 if (unlikely(buflen < min_size)) {
2d00bd17
JP		 396 CERROR("msg %p buffer[%d] size %d too small (required %d, opc=%d)\n",
397 m, n, buflen, min_size,
d7e09d03
PT		 398 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
399 return NULL;
400 }
401
402 offset = lustre_msg_hdr_size_v2(bufcount);
403 for (i = 0; i < n; i++)
404 offset += cfs_size_round(m->lm_buflens[i]);
405
406 return (char *)m + offset;
407}
408
409void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
410{
411 switch (m->lm_magic) {
412 case LUSTRE_MSG_MAGIC_V2:
413 return lustre_msg_buf_v2(m, n, min_size);
414 default:
2e4fe2bd
AD		 415 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
416 m->lm_magic, m);
d7e09d03
PT		 417 return NULL;
418 }
419}
420EXPORT_SYMBOL(lustre_msg_buf);
421
2adf5e87
AG		 422static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
423 unsigned int newlen, int move_data)
d7e09d03 424{
d0bfef31
CH		 425 char *tail = NULL, *newpos;
426 int tail_len = 0, n;
d7e09d03
PT		 427
428 LASSERT(msg);
429 LASSERT(msg->lm_bufcount > segment);
430 LASSERT(msg->lm_buflens[segment] >= newlen);
431
432 if (msg->lm_buflens[segment] == newlen)
433 goto out;
434
435 if (move_data && msg->lm_bufcount > segment + 1) {
436 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
437 for (n = segment + 1; n < msg->lm_bufcount; n++)
438 tail_len += cfs_size_round(msg->lm_buflens[n]);
439 }
440
441 msg->lm_buflens[segment] = newlen;
442
443 if (tail && tail_len) {
444 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
445 LASSERT(newpos <= tail);
446 if (newpos != tail)
447 memmove(newpos, tail, tail_len);
448 }
449out:
450 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
451}
452
453/*
454 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
455 * we also move data forward from @segment + 1.
456 *
457 * if @newlen == 0, we remove the segment completely, but we still keep the
458 * totally bufcount the same to save possible data moving. this will leave a
459 * unused segment with size 0 at the tail, but that's ok.
460 *
461 * return new msg size after shrinking.
462 *
463 * CAUTION:
464 * + if any buffers higher than @segment has been filled in, must call shrink
465 * with non-zero @move_data.
466 * + caller should NOT keep pointers to msg buffers which higher than @segment
467 * after call shrink.
468 */
469int lustre_shrink_msg(struct lustre_msg *msg, int segment,
470 unsigned int newlen, int move_data)
471{
472 switch (msg->lm_magic) {
473 case LUSTRE_MSG_MAGIC_V2:
474 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
475 default:
476 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
477 }
478}
479EXPORT_SYMBOL(lustre_shrink_msg);
480
481void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
482{
483 PTLRPC_RS_DEBUG_LRU_DEL(rs);
484
0d100bfc
KM		 485 LASSERT(atomic_read(&rs->rs_refcount) == 0);
486 LASSERT(!rs->rs_difficult || rs->rs_handled);
487 LASSERT(!rs->rs_on_net);
488 LASSERT(!rs->rs_scheduled);
8b382089 489 LASSERT(!rs->rs_export);
0d100bfc
KM		 490 LASSERT(rs->rs_nlocks == 0);
491 LASSERT(list_empty(&rs->rs_exp_list));
492 LASSERT(list_empty(&rs->rs_obd_list));
d7e09d03
PT		 493
494 sptlrpc_svc_free_rs(rs);
495}
496EXPORT_SYMBOL(lustre_free_reply_state);
497
498static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
499{
500 int swabbed, required_len, i;
501
502 /* Now we know the sender speaks my language. */
503 required_len = lustre_msg_hdr_size_v2(0);
504 if (len < required_len) {
505 /* can't even look inside the message */
506 CERROR("message length %d too small for lustre_msg\n", len);
507 return -EINVAL;
508 }
509
510 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
511
512 if (swabbed) {
513 __swab32s(&m->lm_magic);
514 __swab32s(&m->lm_bufcount);
515 __swab32s(&m->lm_secflvr);
516 __swab32s(&m->lm_repsize);
517 __swab32s(&m->lm_cksum);
518 __swab32s(&m->lm_flags);
519 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
520 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
521 }
522
523 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
524 if (len < required_len) {
525 /* didn't receive all the buffer lengths */
0d100bfc
KM		 526 CERROR("message length %d too small for %d buflens\n",
527 len, m->lm_bufcount);
d7e09d03
PT		 528 return -EINVAL;
529 }
530
531 for (i = 0; i < m->lm_bufcount; i++) {
532 if (swabbed)
533 __swab32s(&m->lm_buflens[i]);
534 required_len += cfs_size_round(m->lm_buflens[i]);
535 }
536
537 if (len < required_len) {
538 CERROR("len: %d, required_len %d\n", len, required_len);
539 CERROR("bufcount: %d\n", m->lm_bufcount);
540 for (i = 0; i < m->lm_bufcount; i++)
541 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
542 return -EINVAL;
543 }
544
545 return swabbed;
546}
547
548int __lustre_unpack_msg(struct lustre_msg *m, int len)
549{
550 int required_len, rc;
d7e09d03
PT		 551
552 /* We can provide a slightly better error log, if we check the
553 * message magic and version first. In the future, struct
554 * lustre_msg may grow, and we'd like to log a version mismatch,
555 * rather than a short message.
556 *
557 */
558 required_len = offsetof(struct lustre_msg, lm_magic) +
559 sizeof(m->lm_magic);
560 if (len < required_len) {
561 /* can't even look inside the message */
562 CERROR("message length %d too small for magic/version check\n",
563 len);
0a3bdb00 564 return -EINVAL;
d7e09d03
PT		 565 }
566
567 rc = lustre_unpack_msg_v2(m, len);
568
0a3bdb00 569 return rc;
d7e09d03
PT		 570}
571EXPORT_SYMBOL(__lustre_unpack_msg);
572
573int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
574{
575 int rc;
50ffcb7e 576
d7e09d03
PT		 577 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
578 if (rc == 1) {
579 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
580 rc = 0;
581 }
582 return rc;
583}
584EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
585
586int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
587{
588 int rc;
50ffcb7e 589
d7e09d03
PT		 590 rc = __lustre_unpack_msg(req->rq_repmsg, len);
591 if (rc == 1) {
592 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
593 rc = 0;
594 }
595 return rc;
596}
597EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
598
599static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
600 const int inout, int offset)
601{
602 struct ptlrpc_body *pb;
603 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
604
605 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
606 if (!pb) {
607 CERROR("error unpacking ptlrpc body\n");
608 return -EFAULT;
609 }
610 if (ptlrpc_buf_need_swab(req, inout, offset)) {
611 lustre_swab_ptlrpc_body(pb);
612 ptlrpc_buf_set_swabbed(req, inout, offset);
613 }
614
615 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
532118c0
KM		 616 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
617 return -EINVAL;
d7e09d03
PT		 618 }
619
2d58de78
LW		 620 if (!inout)
621 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
622
d7e09d03
PT		 623 return 0;
624}
625
626int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
627{
628 switch (req->rq_reqmsg->lm_magic) {
629 case LUSTRE_MSG_MAGIC_V2:
630 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
631 default:
632 CERROR("bad lustre msg magic: %08x\n",
633 req->rq_reqmsg->lm_magic);
634 return -EINVAL;
635 }
636}
637
638int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
639{
640 switch (req->rq_repmsg->lm_magic) {
641 case LUSTRE_MSG_MAGIC_V2:
642 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
643 default:
644 CERROR("bad lustre msg magic: %08x\n",
645 req->rq_repmsg->lm_magic);
646 return -EINVAL;
647 }
648}
649
650static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
651{
652 if (n >= m->lm_bufcount)
653 return 0;
654
655 return m->lm_buflens[n];
656}
657
658/**
659 * lustre_msg_buflen - return the length of buffer \a n in message \a m
660 * \param m lustre_msg (request or reply) to look at
661 * \param n message index (base 0)
662 *
663 * returns zero for non-existent message indices
664 */
665int lustre_msg_buflen(struct lustre_msg *m, int n)
666{
667 switch (m->lm_magic) {
668 case LUSTRE_MSG_MAGIC_V2:
669 return lustre_msg_buflen_v2(m, n);
670 default:
671 CERROR("incorrect message magic: %08x\n", m->lm_magic);
672 return -EINVAL;
673 }
674}
675EXPORT_SYMBOL(lustre_msg_buflen);
676
d7e09d03 677/* NB return the bufcount for lustre_msg_v2 format, so if message is packed
dadfcdab
OD		 678 * in V1 format, the result is one bigger. (add struct ptlrpc_body).
679 */
d7e09d03
PT		 680int lustre_msg_bufcount(struct lustre_msg *m)
681{
682 switch (m->lm_magic) {
683 case LUSTRE_MSG_MAGIC_V2:
684 return m->lm_bufcount;
685 default:
686 CERROR("incorrect message magic: %08x\n", m->lm_magic);
687 return -EINVAL;
688 }
689}
690EXPORT_SYMBOL(lustre_msg_bufcount);
691
692char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
693{
694 /* max_len == 0 means the string should fill the buffer */
695 char *str;
696 int slen, blen;
697
698 switch (m->lm_magic) {
699 case LUSTRE_MSG_MAGIC_V2:
700 str = lustre_msg_buf_v2(m, index, 0);
701 blen = lustre_msg_buflen_v2(m, index);
702 break;
703 default:
704 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
705 }
706
8b382089 707 if (!str) {
0d100bfc 708 CERROR("can't unpack string in msg %p buffer[%d]\n", m, index);
d7e09d03
PT		 709 return NULL;
710 }
711
712 slen = strnlen(str, blen);
713
714 if (slen == blen) { /* not NULL terminated */
2d00bd17
JP		 715 CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n",
716 m, index, blen);
d7e09d03
PT		 717 return NULL;
718 }
719
720 if (max_len == 0) {
721 if (slen != blen - 1) {
2d00bd17 722 CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n",
d7e09d03
PT		 723 m, index, blen, slen);
724 return NULL;
725 }
726 } else if (slen > max_len) {
2d00bd17 727 CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n",
d7e09d03
PT		 728 m, index, blen, slen, max_len);
729 return NULL;
730 }
731
732 return str;
733}
734EXPORT_SYMBOL(lustre_msg_string);
735
736/* Wrap up the normal fixed length cases */
737static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
738 int min_size, void *swabber)
739{
740 void *ptr = NULL;
741
d7e09d03
PT		 742 switch (msg->lm_magic) {
743 case LUSTRE_MSG_MAGIC_V2:
744 ptr = lustre_msg_buf_v2(msg, index, min_size);
745 break;
746 default:
747 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
748 }
749
750 if (ptr && swabber)
751 ((void (*)(void *))swabber)(ptr);
752
753 return ptr;
754}
755
756static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
757{
758 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
759 sizeof(struct ptlrpc_body_v2));
760}
761
762__u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
763{
764 switch (msg->lm_magic) {
d7e09d03
PT		 765 case LUSTRE_MSG_MAGIC_V2:
766 /* already in host endian */
767 return msg->lm_flags;
768 default:
2e4fe2bd 769 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
d7e09d03
PT		 770 return 0;
771 }
772}
773EXPORT_SYMBOL(lustre_msghdr_get_flags);
774
775void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
776{
777 switch (msg->lm_magic) {
d7e09d03
PT		 778 case LUSTRE_MSG_MAGIC_V2:
779 msg->lm_flags = flags;
780 return;
781 default:
782 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
783 }
784}
785
786__u32 lustre_msg_get_flags(struct lustre_msg *msg)
787{
788 switch (msg->lm_magic) {
789 case LUSTRE_MSG_MAGIC_V2: {
790 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 791
2e4fe2bd
AD		 792 if (pb)
793 return pb->pb_flags;
794
795 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
d7e09d03 796 }
2e4fe2bd 797 /* no break */
d7e09d03
PT		 798 default:
799 /* flags might be printed in debug code while message
dadfcdab
OD		 800 * uninitialized
801 */
d7e09d03
PT		 802 return 0;
803 }
804}
805EXPORT_SYMBOL(lustre_msg_get_flags);
806
807void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
808{
809 switch (msg->lm_magic) {
810 case LUSTRE_MSG_MAGIC_V2: {
811 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 812
d7e09d03
PT		 813 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
814 pb->pb_flags |= flags;
815 return;
816 }
817 default:
818 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
819 }
820}
821EXPORT_SYMBOL(lustre_msg_add_flags);
822
823void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
824{
825 switch (msg->lm_magic) {
826 case LUSTRE_MSG_MAGIC_V2: {
827 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 828
d7e09d03
PT		 829 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
830 pb->pb_flags = flags;
831 return;
832 }
833 default:
834 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
835 }
836}
837EXPORT_SYMBOL(lustre_msg_set_flags);
838
839void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
840{
841 switch (msg->lm_magic) {
842 case LUSTRE_MSG_MAGIC_V2: {
843 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 844
d7e09d03 845 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
2b241d31 846 pb->pb_flags &= ~(flags & MSG_GEN_FLAG_MASK);
d7e09d03
PT		 847 return;
848 }
849 default:
850 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
851 }
852}
853EXPORT_SYMBOL(lustre_msg_clear_flags);
854
855__u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
856{
857 switch (msg->lm_magic) {
858 case LUSTRE_MSG_MAGIC_V2: {
859 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 860
2e4fe2bd
AD		 861 if (pb)
862 return pb->pb_op_flags;
863
864 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
d7e09d03 865 }
2e4fe2bd 866 /* no break */
d7e09d03
PT		 867 default:
868 return 0;
869 }
870}
871EXPORT_SYMBOL(lustre_msg_get_op_flags);
872
873void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
874{
875 switch (msg->lm_magic) {
876 case LUSTRE_MSG_MAGIC_V2: {
877 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 878
d7e09d03
PT		 879 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
880 pb->pb_op_flags |= flags;
881 return;
882 }
883 default:
884 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
885 }
886}
887EXPORT_SYMBOL(lustre_msg_add_op_flags);
888
d7e09d03
PT		 889struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
890{
891 switch (msg->lm_magic) {
892 case LUSTRE_MSG_MAGIC_V2: {
893 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 894
d7e09d03
PT		 895 if (!pb) {
896 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
897 return NULL;
898 }
899 return &pb->pb_handle;
900 }
901 default:
902 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
903 return NULL;
904 }
905}
906EXPORT_SYMBOL(lustre_msg_get_handle);
907
908__u32 lustre_msg_get_type(struct lustre_msg *msg)
909{
910 switch (msg->lm_magic) {
911 case LUSTRE_MSG_MAGIC_V2: {
912 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 913
d7e09d03
PT		 914 if (!pb) {
915 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
916 return PTL_RPC_MSG_ERR;
917 }
918 return pb->pb_type;
919 }
920 default:
921 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
922 return PTL_RPC_MSG_ERR;
923 }
924}
925EXPORT_SYMBOL(lustre_msg_get_type);
926
d7e09d03
PT		 927void lustre_msg_add_version(struct lustre_msg *msg, int version)
928{
929 switch (msg->lm_magic) {
930 case LUSTRE_MSG_MAGIC_V2: {
931 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 932
d7e09d03
PT		 933 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
934 pb->pb_version |= version;
935 return;
936 }
937 default:
938 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
939 }
940}
941EXPORT_SYMBOL(lustre_msg_add_version);
942
943__u32 lustre_msg_get_opc(struct lustre_msg *msg)
944{
945 switch (msg->lm_magic) {
946 case LUSTRE_MSG_MAGIC_V2: {
947 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 948
d7e09d03
PT		 949 if (!pb) {
950 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
951 return 0;
952 }
953 return pb->pb_opc;
954 }
955 default:
2e4fe2bd
AD		 956 CERROR("incorrect message magic: %08x (msg:%p)\n",
957 msg->lm_magic, msg);
d7e09d03
PT		 958 return 0;
959 }
960}
961EXPORT_SYMBOL(lustre_msg_get_opc);
962
d7e09d03
PT		 963__u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
964{
965 switch (msg->lm_magic) {
966 case LUSTRE_MSG_MAGIC_V2: {
967 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 968
d7e09d03
PT		 969 if (!pb) {
970 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
971 return 0;
972 }
973 return pb->pb_last_committed;
974 }
975 default:
976 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
977 return 0;
978 }
979}
980EXPORT_SYMBOL(lustre_msg_get_last_committed);
981
982__u64 *lustre_msg_get_versions(struct lustre_msg *msg)
983{
984 switch (msg->lm_magic) {
d7e09d03
PT		 985 case LUSTRE_MSG_MAGIC_V2: {
986 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 987
d7e09d03
PT		 988 if (!pb) {
989 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
990 return NULL;
991 }
992 return pb->pb_pre_versions;
993 }
994 default:
995 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
996 return NULL;
997 }
998}
999EXPORT_SYMBOL(lustre_msg_get_versions);
1000
1001__u64 lustre_msg_get_transno(struct lustre_msg *msg)
1002{
1003 switch (msg->lm_magic) {
1004 case LUSTRE_MSG_MAGIC_V2: {
1005 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1006
d7e09d03
PT		 1007 if (!pb) {
1008 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1009 return 0;
1010 }
1011 return pb->pb_transno;
1012 }
1013 default:
1014 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1015 return 0;
1016 }
1017}
1018EXPORT_SYMBOL(lustre_msg_get_transno);
1019
1020int lustre_msg_get_status(struct lustre_msg *msg)
1021{
1022 switch (msg->lm_magic) {
1023 case LUSTRE_MSG_MAGIC_V2: {
1024 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1025
2e4fe2bd
AD		 1026 if (pb)
1027 return pb->pb_status;
1028
1029 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
d7e09d03 1030 }
2e4fe2bd 1031 /* no break */
d7e09d03
PT		 1032 default:
1033 /* status might be printed in debug code while message
dadfcdab
OD		 1034 * uninitialized
1035 */
d7e09d03
PT		 1036 return -EINVAL;
1037 }
1038}
1039EXPORT_SYMBOL(lustre_msg_get_status);
1040
1041__u64 lustre_msg_get_slv(struct lustre_msg *msg)
1042{
1043 switch (msg->lm_magic) {
1044 case LUSTRE_MSG_MAGIC_V2: {
1045 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1046
d7e09d03
PT		 1047 if (!pb) {
1048 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1049 return -EINVAL;
1050 }
1051 return pb->pb_slv;
1052 }
1053 default:
1054 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1055 return -EINVAL;
1056 }
1057}
1058EXPORT_SYMBOL(lustre_msg_get_slv);
1059
d7e09d03
PT		 1060void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1061{
1062 switch (msg->lm_magic) {
1063 case LUSTRE_MSG_MAGIC_V2: {
1064 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1065
d7e09d03
PT		 1066 if (!pb) {
1067 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1068 return;
1069 }
1070 pb->pb_slv = slv;
1071 return;
1072 }
1073 default:
1074 CERROR("invalid msg magic %x\n", msg->lm_magic);
1075 return;
1076 }
1077}
1078EXPORT_SYMBOL(lustre_msg_set_slv);
1079
1080__u32 lustre_msg_get_limit(struct lustre_msg *msg)
1081{
1082 switch (msg->lm_magic) {
1083 case LUSTRE_MSG_MAGIC_V2: {
1084 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1085
d7e09d03
PT		 1086 if (!pb) {
1087 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1088 return -EINVAL;
1089 }
1090 return pb->pb_limit;
1091 }
1092 default:
1093 CERROR("invalid msg magic %x\n", msg->lm_magic);
1094 return -EINVAL;
1095 }
1096}
1097EXPORT_SYMBOL(lustre_msg_get_limit);
1098
d7e09d03
PT		 1099void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1100{
1101 switch (msg->lm_magic) {
1102 case LUSTRE_MSG_MAGIC_V2: {
1103 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1104
d7e09d03
PT		 1105 if (!pb) {
1106 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1107 return;
1108 }
1109 pb->pb_limit = limit;
1110 return;
1111 }
1112 default:
1113 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1114 return;
1115 }
1116}
1117EXPORT_SYMBOL(lustre_msg_set_limit);
1118
1119__u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1120{
1121 switch (msg->lm_magic) {
1122 case LUSTRE_MSG_MAGIC_V2: {
1123 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1124
d7e09d03
PT		 1125 if (!pb) {
1126 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1127 return 0;
1128 }
1129 return pb->pb_conn_cnt;
1130 }
1131 default:
1132 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1133 return 0;
1134 }
1135}
1136EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1137
d7e09d03
PT		 1138__u32 lustre_msg_get_magic(struct lustre_msg *msg)
1139{
1140 switch (msg->lm_magic) {
1141 case LUSTRE_MSG_MAGIC_V2:
1142 return msg->lm_magic;
1143 default:
1144 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1145 return 0;
1146 }
1147}
1148EXPORT_SYMBOL(lustre_msg_get_magic);
1149
1150__u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1151{
1152 switch (msg->lm_magic) {
d7e09d03
PT		 1153 case LUSTRE_MSG_MAGIC_V2: {
1154 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1155
d7e09d03
PT		 1156 if (!pb) {
1157 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1158 return 0;
d7e09d03
PT		 1159 }
1160 return pb->pb_timeout;
1161 }
1162 default:
1163 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
2e4fe2bd 1164 return -EPROTO;
d7e09d03
PT		 1165 }
1166}
1167
1168__u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1169{
1170 switch (msg->lm_magic) {
d7e09d03
PT		 1171 case LUSTRE_MSG_MAGIC_V2: {
1172 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1173
d7e09d03
PT		 1174 if (!pb) {
1175 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1176 return 0;
d7e09d03
PT		 1177 }
1178 return pb->pb_service_time;
1179 }
1180 default:
1181 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1182 return 0;
1183 }
1184}
1185
d7e09d03
PT		 1186__u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1187{
1188 switch (msg->lm_magic) {
1189 case LUSTRE_MSG_MAGIC_V2:
1190 return msg->lm_cksum;
1191 default:
1192 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1193 return 0;
1194 }
1195}
1196
d7e09d03 1197__u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
d7e09d03
PT		 1198{
1199 switch (msg->lm_magic) {
1200 case LUSTRE_MSG_MAGIC_V2: {
1201 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
d7e09d03
PT		 1202 __u32 crc;
1203 unsigned int hsize = 4;
50ffcb7e 1204
d7e09d03 1205 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
24c198e9
OD		 1206 lustre_msg_buflen(msg,
1207 MSG_PTLRPC_BODY_OFF),
1208 NULL, 0, (unsigned char *)&crc, &hsize);
d7e09d03 1209 return crc;
d7e09d03
PT		 1210 }
1211 default:
1212 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1213 return 0;
1214 }
1215}
1216
1217void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1218{
1219 switch (msg->lm_magic) {
1220 case LUSTRE_MSG_MAGIC_V2: {
1221 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1222
d7e09d03
PT		 1223 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1224 pb->pb_handle = *handle;
1225 return;
1226 }
1227 default:
1228 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1229 }
1230}
1231EXPORT_SYMBOL(lustre_msg_set_handle);
1232
1233void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1234{
1235 switch (msg->lm_magic) {
1236 case LUSTRE_MSG_MAGIC_V2: {
1237 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1238
d7e09d03
PT		 1239 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1240 pb->pb_type = type;
1241 return;
1242 }
1243 default:
1244 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1245 }
1246}
1247EXPORT_SYMBOL(lustre_msg_set_type);
1248
1249void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1250{
1251 switch (msg->lm_magic) {
1252 case LUSTRE_MSG_MAGIC_V2: {
1253 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1254
d7e09d03
PT		 1255 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1256 pb->pb_opc = opc;
1257 return;
1258 }
1259 default:
1260 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1261 }
1262}
1263EXPORT_SYMBOL(lustre_msg_set_opc);
1264
d7e09d03
PT		 1265void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1266{
1267 switch (msg->lm_magic) {
d7e09d03
PT		 1268 case LUSTRE_MSG_MAGIC_V2: {
1269 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1270
d7e09d03
PT		 1271 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1272 pb->pb_pre_versions[0] = versions[0];
1273 pb->pb_pre_versions[1] = versions[1];
1274 pb->pb_pre_versions[2] = versions[2];
1275 pb->pb_pre_versions[3] = versions[3];
1276 return;
1277 }
1278 default:
1279 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1280 }
1281}
1282EXPORT_SYMBOL(lustre_msg_set_versions);
1283
1284void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1285{
1286 switch (msg->lm_magic) {
1287 case LUSTRE_MSG_MAGIC_V2: {
1288 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1289
d7e09d03
PT		 1290 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1291 pb->pb_transno = transno;
1292 return;
1293 }
1294 default:
1295 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1296 }
1297}
1298EXPORT_SYMBOL(lustre_msg_set_transno);
1299
1300void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1301{
1302 switch (msg->lm_magic) {
1303 case LUSTRE_MSG_MAGIC_V2: {
1304 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1305
d7e09d03
PT		 1306 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1307 pb->pb_status = status;
1308 return;
1309 }
1310 default:
1311 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1312 }
1313}
1314EXPORT_SYMBOL(lustre_msg_set_status);
1315
1316void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1317{
1318 switch (msg->lm_magic) {
1319 case LUSTRE_MSG_MAGIC_V2: {
1320 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1321
d7e09d03
PT		 1322 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1323 pb->pb_conn_cnt = conn_cnt;
1324 return;
1325 }
1326 default:
1327 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1328 }
1329}
1330EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
1331
1332void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1333{
1334 switch (msg->lm_magic) {
d7e09d03
PT		 1335 case LUSTRE_MSG_MAGIC_V2: {
1336 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1337
d7e09d03
PT		 1338 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1339 pb->pb_timeout = timeout;
1340 return;
1341 }
1342 default:
1343 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1344 }
1345}
1346
1347void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1348{
1349 switch (msg->lm_magic) {
d7e09d03
PT		 1350 case LUSTRE_MSG_MAGIC_V2: {
1351 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
50ffcb7e 1352
d7e09d03
PT		 1353 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1354 pb->pb_service_time = service_time;
1355 return;
1356 }
1357 default:
1358 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1359 }
1360}
1361
1362void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1363{
1364 switch (msg->lm_magic) {
d7e09d03
PT		 1365 case LUSTRE_MSG_MAGIC_V2: {
1366 __u32 opc = lustre_msg_get_opc(msg);
1367 struct ptlrpc_body *pb;
1368
b6da17f3 1369 /* Don't set jobid for ldlm ast RPCs, they've been shrunk.
dadfcdab
OD		 1370 * See the comment in ptlrpc_request_pack().
1371 */
d7e09d03
PT		 1372 if (!opc || opc == LDLM_BL_CALLBACK ||
1373 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1374 return;
1375
1376 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1377 sizeof(struct ptlrpc_body));
1378 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1379
8b382089 1380 if (jobid)
d7e09d03
PT		 1381 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1382 else if (pb->pb_jobid[0] == '\0')
1383 lustre_get_jobid(pb->pb_jobid);
1384 return;
1385 }
1386 default:
1387 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1388 }
1389}
1390EXPORT_SYMBOL(lustre_msg_set_jobid);
1391
1392void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1393{
1394 switch (msg->lm_magic) {
d7e09d03
PT		 1395 case LUSTRE_MSG_MAGIC_V2:
1396 msg->lm_cksum = cksum;
1397 return;
1398 default:
1399 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1400 }
1401}
1402
d7e09d03
PT		 1403void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1404{
1405 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1406
1407 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1408 req->rq_pill.rc_area[RCL_SERVER]);
1409 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1410 req->rq_reqmsg->lm_repsize = req->rq_replen;
1411}
1412EXPORT_SYMBOL(ptlrpc_request_set_replen);
1413
d7e09d03
PT		 1414/**
1415 * Send a remote set_info_async.
1416 *
1417 * This may go from client to server or server to client.
1418 */
1419int do_set_info_async(struct obd_import *imp,
1420 int opcode, int version,
21aef7d9
OD		 1421 u32 keylen, void *key,
1422 u32 vallen, void *val,
d7e09d03
PT		 1423 struct ptlrpc_request_set *set)
1424{
1425 struct ptlrpc_request *req;
d0bfef31
CH		 1426 char *tmp;
1427 int rc;
d7e09d03
PT		 1428
1429 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
8b382089 1430 if (!req)
0a3bdb00 1431 return -ENOMEM;
d7e09d03
PT		 1432
1433 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1434 RCL_CLIENT, keylen);
1435 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1436 RCL_CLIENT, vallen);
1437 rc = ptlrpc_request_pack(req, version, opcode);
1438 if (rc) {
1439 ptlrpc_request_free(req);
0a3bdb00 1440 return rc;
d7e09d03
PT		 1441 }
1442
1443 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1444 memcpy(tmp, key, keylen);
1445 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1446 memcpy(tmp, val, vallen);
1447
1448 ptlrpc_request_set_replen(req);
1449
1450 if (set) {
1451 ptlrpc_set_add_req(set, req);
1452 ptlrpc_check_set(NULL, set);
1453 } else {
1454 rc = ptlrpc_queue_wait(req);
1455 ptlrpc_req_finished(req);
1456 }
1457
0a3bdb00 1458 return rc;
d7e09d03
PT		 1459}
1460EXPORT_SYMBOL(do_set_info_async);
1461
1462/* byte flipping routines for all wire types declared in
1463 * lustre_idl.h implemented here.
1464 */
1465void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1466{
0d100bfc
KM		 1467 __swab32s(&b->pb_type);
1468 __swab32s(&b->pb_version);
1469 __swab32s(&b->pb_opc);
1470 __swab32s(&b->pb_status);
1471 __swab64s(&b->pb_last_xid);
1472 __swab64s(&b->pb_last_seen);
1473 __swab64s(&b->pb_last_committed);
1474 __swab64s(&b->pb_transno);
1475 __swab32s(&b->pb_flags);
1476 __swab32s(&b->pb_op_flags);
1477 __swab32s(&b->pb_conn_cnt);
1478 __swab32s(&b->pb_timeout);
1479 __swab32s(&b->pb_service_time);
1480 __swab32s(&b->pb_limit);
1481 __swab64s(&b->pb_slv);
1482 __swab64s(&b->pb_pre_versions[0]);
1483 __swab64s(&b->pb_pre_versions[1]);
1484 __swab64s(&b->pb_pre_versions[2]);
1485 __swab64s(&b->pb_pre_versions[3]);
d7e09d03
PT		 1486 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1487 /* While we need to maintain compatibility between
1488 * clients and servers without ptlrpc_body_v2 (< 2.3)
1489 * do not swab any fields beyond pb_jobid, as we are
1490 * using this swab function for both ptlrpc_body
dadfcdab
OD		 1491 * and ptlrpc_body_v2.
1492 */
d7e09d03
PT		 1493 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1494}
1495EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
1496
1497void lustre_swab_connect(struct obd_connect_data *ocd)
1498{
1499 __swab64s(&ocd->ocd_connect_flags);
1500 __swab32s(&ocd->ocd_version);
1501 __swab32s(&ocd->ocd_grant);
1502 __swab64s(&ocd->ocd_ibits_known);
1503 __swab32s(&ocd->ocd_index);
1504 __swab32s(&ocd->ocd_brw_size);
1505 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
dadfcdab
OD		 1506 * they are 8-byte values
1507 */
d7e09d03
PT		 1508 __swab16s(&ocd->ocd_grant_extent);
1509 __swab32s(&ocd->ocd_unused);
1510 __swab64s(&ocd->ocd_transno);
1511 __swab32s(&ocd->ocd_group);
1512 __swab32s(&ocd->ocd_cksum_types);
1513 __swab32s(&ocd->ocd_instance);
1514 /* Fields after ocd_cksum_types are only accessible by the receiver
1515 * if the corresponding flag in ocd_connect_flags is set. Accessing
1516 * any field after ocd_maxbytes on the receiver without a valid flag
dadfcdab
OD		 1517 * may result in out-of-bound memory access and kernel oops.
1518 */
d7e09d03
PT		 1519 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1520 __swab32s(&ocd->ocd_max_easize);
1521 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1522 __swab64s(&ocd->ocd_maxbytes);
1523 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1524 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1525 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1526 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1527 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1528 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1529 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1530 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1531 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1532 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1533 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1534 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1535 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1536 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1537 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1538}
1539
fcdf51c1 1540static void lustre_swab_obdo(struct obdo *o)
d7e09d03 1541{
0d100bfc 1542 __swab64s(&o->o_valid);
d7e09d03 1543 lustre_swab_ost_id(&o->o_oi);
0d100bfc
KM		 1544 __swab64s(&o->o_parent_seq);
1545 __swab64s(&o->o_size);
1546 __swab64s(&o->o_mtime);
1547 __swab64s(&o->o_atime);
1548 __swab64s(&o->o_ctime);
1549 __swab64s(&o->o_blocks);
1550 __swab64s(&o->o_grant);
1551 __swab32s(&o->o_blksize);
1552 __swab32s(&o->o_mode);
1553 __swab32s(&o->o_uid);
1554 __swab32s(&o->o_gid);
1555 __swab32s(&o->o_flags);
1556 __swab32s(&o->o_nlink);
1557 __swab32s(&o->o_parent_oid);
1558 __swab32s(&o->o_misc);
1559 __swab64s(&o->o_ioepoch);
1560 __swab32s(&o->o_stripe_idx);
1561 __swab32s(&o->o_parent_ver);
d7e09d03
PT		 1562 /* o_handle is opaque */
1563 /* o_lcookie is swabbed elsewhere */
0d100bfc
KM		 1564 __swab32s(&o->o_uid_h);
1565 __swab32s(&o->o_gid_h);
1566 __swab64s(&o->o_data_version);
d7e09d03
PT		 1567 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1568 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1569 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
d7e09d03 1570}
d7e09d03 1571
0d100bfc 1572void lustre_swab_obd_statfs(struct obd_statfs *os)
d7e09d03 1573{
0d100bfc
KM		 1574 __swab64s(&os->os_type);
1575 __swab64s(&os->os_blocks);
1576 __swab64s(&os->os_bfree);
1577 __swab64s(&os->os_bavail);
1578 __swab64s(&os->os_files);
1579 __swab64s(&os->os_ffree);
d7e09d03 1580 /* no need to swab os_fsid */
0d100bfc
KM		 1581 __swab32s(&os->os_bsize);
1582 __swab32s(&os->os_namelen);
1583 __swab64s(&os->os_maxbytes);
1584 __swab32s(&os->os_state);
d7e09d03
PT		 1585 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1586 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1587 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1588 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1589 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1590 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1591 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1592 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1593 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1594}
1595EXPORT_SYMBOL(lustre_swab_obd_statfs);
1596
1597void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1598{
1599 lustre_swab_ost_id(&ioo->ioo_oid);
1600 __swab32s(&ioo->ioo_max_brw);
1601 __swab32s(&ioo->ioo_bufcnt);
1602}
1603EXPORT_SYMBOL(lustre_swab_obd_ioobj);
1604
0d100bfc 1605void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
d7e09d03 1606{
0d100bfc
KM		 1607 __swab64s(&nbr->offset);
1608 __swab32s(&nbr->len);
1609 __swab32s(&nbr->flags);
d7e09d03
PT		 1610}
1611EXPORT_SYMBOL(lustre_swab_niobuf_remote);
1612
0d100bfc 1613void lustre_swab_ost_body(struct ost_body *b)
d7e09d03 1614{
0d100bfc 1615 lustre_swab_obdo(&b->oa);
d7e09d03
PT		 1616}
1617EXPORT_SYMBOL(lustre_swab_ost_body);
1618
21aef7d9 1619void lustre_swab_ost_last_id(u64 *id)
d7e09d03
PT		 1620{
1621 __swab64s(id);
1622}
1623EXPORT_SYMBOL(lustre_swab_ost_last_id);
1624
1625void lustre_swab_generic_32s(__u32 *val)
1626{
1627 __swab32s(val);
1628}
1629EXPORT_SYMBOL(lustre_swab_generic_32s);
1630
1631void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1632{
1633 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1634 __swab64s(&desc->lquota_desc.gl_flags);
1635 __swab64s(&desc->lquota_desc.gl_ver);
1636 __swab64s(&desc->lquota_desc.gl_hardlimit);
1637 __swab64s(&desc->lquota_desc.gl_softlimit);
1638 __swab64s(&desc->lquota_desc.gl_time);
1639 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1640}
1641
1642void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1643{
1644 __swab64s(&lvb->lvb_size);
1645 __swab64s(&lvb->lvb_mtime);
1646 __swab64s(&lvb->lvb_atime);
1647 __swab64s(&lvb->lvb_ctime);
1648 __swab64s(&lvb->lvb_blocks);
1649}
1650EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1651
1652void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1653{
1654 __swab64s(&lvb->lvb_size);
1655 __swab64s(&lvb->lvb_mtime);
1656 __swab64s(&lvb->lvb_atime);
1657 __swab64s(&lvb->lvb_ctime);
1658 __swab64s(&lvb->lvb_blocks);
1659 __swab32s(&lvb->lvb_mtime_ns);
1660 __swab32s(&lvb->lvb_atime_ns);
1661 __swab32s(&lvb->lvb_ctime_ns);
1662 __swab32s(&lvb->lvb_padding);
1663}
1664EXPORT_SYMBOL(lustre_swab_ost_lvb);
1665
1666void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1667{
1668 __swab64s(&lvb->lvb_flags);
1669 __swab64s(&lvb->lvb_id_may_rel);
1670 __swab64s(&lvb->lvb_id_rel);
1671 __swab64s(&lvb->lvb_id_qunit);
1672 __swab64s(&lvb->lvb_pad1);
1673}
1674EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1675
0d100bfc 1676void lustre_swab_mdt_body(struct mdt_body *b)
d7e09d03 1677{
2e1b5b8b
JH		 1678 lustre_swab_lu_fid(&b->mbo_fid1);
1679 lustre_swab_lu_fid(&b->mbo_fid2);
d7e09d03 1680 /* handle is opaque */
2e1b5b8b
JH		 1681 __swab64s(&b->mbo_valid);
1682 __swab64s(&b->mbo_size);
1683 __swab64s(&b->mbo_mtime);
1684 __swab64s(&b->mbo_atime);
1685 __swab64s(&b->mbo_ctime);
1686 __swab64s(&b->mbo_blocks);
1687 __swab64s(&b->mbo_ioepoch);
1688 __swab64s(&b->mbo_t_state);
1689 __swab32s(&b->mbo_fsuid);
1690 __swab32s(&b->mbo_fsgid);
1691 __swab32s(&b->mbo_capability);
1692 __swab32s(&b->mbo_mode);
1693 __swab32s(&b->mbo_uid);
1694 __swab32s(&b->mbo_gid);
1695 __swab32s(&b->mbo_flags);
1696 __swab32s(&b->mbo_rdev);
1697 __swab32s(&b->mbo_nlink);
1698 CLASSERT(offsetof(typeof(*b), mbo_unused2) != 0);
1699 __swab32s(&b->mbo_suppgid);
1700 __swab32s(&b->mbo_eadatasize);
1701 __swab32s(&b->mbo_aclsize);
1702 __swab32s(&b->mbo_max_mdsize);
1703 __swab32s(&b->mbo_max_cookiesize);
1704 __swab32s(&b->mbo_uid_h);
1705 __swab32s(&b->mbo_gid_h);
1706 CLASSERT(offsetof(typeof(*b), mbo_padding_5) != 0);
d7e09d03
PT		 1707}
1708EXPORT_SYMBOL(lustre_swab_mdt_body);
1709
0d100bfc 1710void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
d7e09d03
PT		 1711{
1712 /* handle is opaque */
0d100bfc
KM		 1713 __swab64s(&b->ioepoch);
1714 __swab32s(&b->flags);
d7e09d03
PT		 1715 CLASSERT(offsetof(typeof(*b), padding) != 0);
1716}
1717EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
1718
1719void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1720{
1721 int i;
50ffcb7e 1722
d7e09d03
PT		 1723 __swab32s(&mti->mti_lustre_ver);
1724 __swab32s(&mti->mti_stripe_index);
1725 __swab32s(&mti->mti_config_ver);
1726 __swab32s(&mti->mti_flags);
1727 __swab32s(&mti->mti_instance);
1728 __swab32s(&mti->mti_nid_count);
1729 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1730 for (i = 0; i < MTI_NIDS_MAX; i++)
1731 __swab64s(&mti->mti_nids[i]);
1732}
1733EXPORT_SYMBOL(lustre_swab_mgs_target_info);
1734
1735void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1736{
1737 int i;
1738
1739 __swab64s(&entry->mne_version);
1740 __swab32s(&entry->mne_instance);
1741 __swab32s(&entry->mne_index);
1742 __swab32s(&entry->mne_length);
1743
1744 /* mne_nid_(count|type) must be one byte size because we're gonna
1745 * access it w/o swapping. */
1746 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1747 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1748
1749 /* remove this assertion if ipv6 is supported. */
1750 LASSERT(entry->mne_nid_type == 0);
1751 for (i = 0; i < entry->mne_nid_count; i++) {
1752 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1753 __swab64s(&entry->u.nids[i]);
1754 }
1755}
1756EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1757
1758void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1759{
1760 __swab64s(&body->mcb_offset);
1761 __swab32s(&body->mcb_units);
1762 __swab16s(&body->mcb_type);
1763}
1764EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1765
1766void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1767{
1768 __swab64s(&body->mcr_offset);
1769 __swab64s(&body->mcr_size);
1770}
1771EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1772
0d100bfc 1773static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i)
d7e09d03 1774{
0d100bfc
KM		 1775 __swab64s(&i->dqi_bgrace);
1776 __swab64s(&i->dqi_igrace);
1777 __swab32s(&i->dqi_flags);
1778 __swab32s(&i->dqi_valid);
d7e09d03
PT		 1779}
1780
0d100bfc 1781static void lustre_swab_obd_dqblk(struct obd_dqblk *b)
d7e09d03 1782{
0d100bfc
KM		 1783 __swab64s(&b->dqb_ihardlimit);
1784 __swab64s(&b->dqb_isoftlimit);
1785 __swab64s(&b->dqb_curinodes);
1786 __swab64s(&b->dqb_bhardlimit);
1787 __swab64s(&b->dqb_bsoftlimit);
1788 __swab64s(&b->dqb_curspace);
1789 __swab64s(&b->dqb_btime);
1790 __swab64s(&b->dqb_itime);
1791 __swab32s(&b->dqb_valid);
d7e09d03
PT		 1792 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1793}
1794
0d100bfc 1795void lustre_swab_obd_quotactl(struct obd_quotactl *q)
d7e09d03 1796{
0d100bfc
KM		 1797 __swab32s(&q->qc_cmd);
1798 __swab32s(&q->qc_type);
1799 __swab32s(&q->qc_id);
1800 __swab32s(&q->qc_stat);
1801 lustre_swab_obd_dqinfo(&q->qc_dqinfo);
1802 lustre_swab_obd_dqblk(&q->qc_dqblk);
d7e09d03
PT		 1803}
1804EXPORT_SYMBOL(lustre_swab_obd_quotactl);
1805
d7e09d03
PT		 1806void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1807{
1808 lustre_swab_lu_fid(&gf->gf_fid);
1809 __swab64s(&gf->gf_recno);
1810 __swab32s(&gf->gf_linkno);
1811 __swab32s(&gf->gf_pathlen);
1812}
1813EXPORT_SYMBOL(lustre_swab_fid2path);
1814
2adf5e87 1815static void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
d7e09d03
PT		 1816{
1817 __swab64s(&fm_extent->fe_logical);
1818 __swab64s(&fm_extent->fe_physical);
1819 __swab64s(&fm_extent->fe_length);
1820 __swab32s(&fm_extent->fe_flags);
1821 __swab32s(&fm_extent->fe_device);
1822}
1823
1824void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1825{
1826 int i;
1827
1828 __swab64s(&fiemap->fm_start);
1829 __swab64s(&fiemap->fm_length);
1830 __swab32s(&fiemap->fm_flags);
1831 __swab32s(&fiemap->fm_mapped_extents);
1832 __swab32s(&fiemap->fm_extent_count);
1833 __swab32s(&fiemap->fm_reserved);
1834
1835 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1836 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1837}
1838EXPORT_SYMBOL(lustre_swab_fiemap);
1839
d7e09d03
PT		 1840void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1841{
1842 __swab32s(&rr->rr_opcode);
1843 __swab32s(&rr->rr_cap);
1844 __swab32s(&rr->rr_fsuid);
1845 /* rr_fsuid_h is unused */
1846 __swab32s(&rr->rr_fsgid);
1847 /* rr_fsgid_h is unused */
1848 __swab32s(&rr->rr_suppgid1);
1849 /* rr_suppgid1_h is unused */
1850 __swab32s(&rr->rr_suppgid2);
1851 /* rr_suppgid2_h is unused */
1852 lustre_swab_lu_fid(&rr->rr_fid1);
1853 lustre_swab_lu_fid(&rr->rr_fid2);
1854 __swab64s(&rr->rr_mtime);
1855 __swab64s(&rr->rr_atime);
1856 __swab64s(&rr->rr_ctime);
1857 __swab64s(&rr->rr_size);
1858 __swab64s(&rr->rr_blocks);
1859 __swab32s(&rr->rr_bias);
1860 __swab32s(&rr->rr_mode);
1861 __swab32s(&rr->rr_flags);
1862 __swab32s(&rr->rr_flags_h);
1863 __swab32s(&rr->rr_umask);
1864
1865 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1866};
1867EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
1868
0d100bfc 1869void lustre_swab_lov_desc(struct lov_desc *ld)
d7e09d03 1870{
0d100bfc
KM		 1871 __swab32s(&ld->ld_tgt_count);
1872 __swab32s(&ld->ld_active_tgt_count);
1873 __swab32s(&ld->ld_default_stripe_count);
1874 __swab32s(&ld->ld_pattern);
1875 __swab64s(&ld->ld_default_stripe_size);
1876 __swab64s(&ld->ld_default_stripe_offset);
1877 __swab32s(&ld->ld_qos_maxage);
d7e09d03
PT		 1878 /* uuid endian insensitive */
1879}
1880EXPORT_SYMBOL(lustre_swab_lov_desc);
1881
6e23ea98 1882/* This structure is always in little-endian */
1883static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
1884{
1885 int i;
1886
1887 __swab32s(&lmm1->lmv_magic);
1888 __swab32s(&lmm1->lmv_stripe_count);
1889 __swab32s(&lmm1->lmv_master_mdt_index);
1890 __swab32s(&lmm1->lmv_hash_type);
1891 __swab32s(&lmm1->lmv_layout_version);
1892 for (i = 0; i < lmm1->lmv_stripe_count; i++)
1893 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
1894}
1895
1896void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
1897{
1898 switch (lmm->lmv_magic) {
1899 case LMV_MAGIC_V1:
1900 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
1901 break;
1902 default:
1903 break;
1904 }
1905}
1906EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
1907
2de35386 1908void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
1909{
1910 __swab32s(&lum->lum_magic);
1911 __swab32s(&lum->lum_stripe_count);
1912 __swab32s(&lum->lum_stripe_offset);
1913 __swab32s(&lum->lum_hash_type);
1914 __swab32s(&lum->lum_type);
1915 CLASSERT(offsetof(typeof(*lum), lum_padding1));
1916}
1917EXPORT_SYMBOL(lustre_swab_lmv_user_md);
1918
0d100bfc 1919static void print_lum(struct lov_user_md *lum)
d7e09d03
PT		 1920{
1921 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
1922 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
1923 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
b0f5aad5
GKH		 1924 CDEBUG(D_OTHER, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
1925 CDEBUG(D_OTHER, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
d7e09d03
PT		 1926 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
1927 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
1928 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
30c0aa39 1929 lum->lmm_stripe_offset);
d7e09d03
PT		 1930}
1931
1932static void lustre_swab_lmm_oi(struct ost_id *oi)
1933{
1934 __swab64s(&oi->oi.oi_id);
1935 __swab64s(&oi->oi.oi_seq);
1936}
1937
1938static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
1939{
d7e09d03
PT		 1940 __swab32s(&lum->lmm_magic);
1941 __swab32s(&lum->lmm_pattern);
1942 lustre_swab_lmm_oi(&lum->lmm_oi);
1943 __swab32s(&lum->lmm_stripe_size);
1944 __swab16s(&lum->lmm_stripe_count);
1945 __swab16s(&lum->lmm_stripe_offset);
1946 print_lum(lum);
d7e09d03
PT		 1947}
1948
1949void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
1950{
d7e09d03
PT		 1951 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
1952 lustre_swab_lov_user_md_common(lum);
d7e09d03
PT		 1953}
1954EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
1955
1956void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
1957{
d7e09d03
PT		 1958 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
1959 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
1960 /* lmm_pool_name nothing to do with char */
d7e09d03
PT		 1961}
1962EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
1963
1964void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
1965{
d7e09d03
PT		 1966 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
1967 __swab32s(&lmm->lmm_magic);
1968 __swab32s(&lmm->lmm_pattern);
1969 lustre_swab_lmm_oi(&lmm->lmm_oi);
1970 __swab32s(&lmm->lmm_stripe_size);
1971 __swab16s(&lmm->lmm_stripe_count);
1972 __swab16s(&lmm->lmm_layout_gen);
d7e09d03
PT		 1973}
1974EXPORT_SYMBOL(lustre_swab_lov_mds_md);
1975
1976void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
1977 int stripe_count)
1978{
1979 int i;
29aaf496 1980
d7e09d03 1981 for (i = 0; i < stripe_count; i++) {
49880263
EL		 1982 lustre_swab_ost_id(&lod[i].l_ost_oi);
1983 __swab32s(&lod[i].l_ost_gen);
1984 __swab32s(&lod[i].l_ost_idx);
d7e09d03 1985 }
d7e09d03
PT		 1986}
1987EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
1988
fcdf51c1 1989static void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
d7e09d03 1990{
d0bfef31 1991 int i;
d7e09d03
PT		 1992
1993 for (i = 0; i < RES_NAME_SIZE; i++)
0d100bfc 1994 __swab64s(&id->name[i]);
d7e09d03 1995}
d7e09d03 1996
fcdf51c1 1997static void lustre_swab_ldlm_policy_data(ldlm_wire_policy_data_t *d)
d7e09d03
PT		 1998{
1999 /* the lock data is a union and the first two fields are always an
2000 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
dadfcdab
OD		 2001 * data the same way.
2002 */
d7e09d03
PT		 2003 __swab64s(&d->l_extent.start);
2004 __swab64s(&d->l_extent.end);
2005 __swab64s(&d->l_extent.gid);
2006 __swab64s(&d->l_flock.lfw_owner);
2007 __swab32s(&d->l_flock.lfw_pid);
2008}
d7e09d03 2009
0d100bfc 2010void lustre_swab_ldlm_intent(struct ldlm_intent *i)
d7e09d03 2011{
0d100bfc 2012 __swab64s(&i->opc);
d7e09d03
PT		 2013}
2014EXPORT_SYMBOL(lustre_swab_ldlm_intent);
2015
fcdf51c1 2016static void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
d7e09d03 2017{
0d100bfc 2018 __swab32s(&r->lr_type);
d7e09d03 2019 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
0d100bfc 2020 lustre_swab_ldlm_res_id(&r->lr_name);
d7e09d03 2021}
d7e09d03 2022
09eb98b3 2023static void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
d7e09d03 2024{
0d100bfc
KM		 2025 lustre_swab_ldlm_resource_desc(&l->l_resource);
2026 __swab32s(&l->l_req_mode);
2027 __swab32s(&l->l_granted_mode);
2028 lustre_swab_ldlm_policy_data(&l->l_policy_data);
d7e09d03 2029}
d7e09d03 2030
0d100bfc 2031void lustre_swab_ldlm_request(struct ldlm_request *rq)
d7e09d03 2032{
0d100bfc
KM		 2033 __swab32s(&rq->lock_flags);
2034 lustre_swab_ldlm_lock_desc(&rq->lock_desc);
2035 __swab32s(&rq->lock_count);
d7e09d03
PT		 2036 /* lock_handle[] opaque */
2037}
2038EXPORT_SYMBOL(lustre_swab_ldlm_request);
2039
0d100bfc 2040void lustre_swab_ldlm_reply(struct ldlm_reply *r)
d7e09d03 2041{
0d100bfc 2042 __swab32s(&r->lock_flags);
d7e09d03 2043 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
0d100bfc 2044 lustre_swab_ldlm_lock_desc(&r->lock_desc);
d7e09d03 2045 /* lock_handle opaque */
0d100bfc
KM		 2046 __swab64s(&r->lock_policy_res1);
2047 __swab64s(&r->lock_policy_res2);
d7e09d03
PT		 2048}
2049EXPORT_SYMBOL(lustre_swab_ldlm_reply);
2050
d7e09d03
PT		 2051/* Dump functions */
2052void dump_ioo(struct obd_ioobj *ioo)
2053{
2054 CDEBUG(D_RPCTRACE,
2d00bd17
JP		 2055 "obd_ioobj: ioo_oid=" DOSTID ", ioo_max_brw=%#x, ioo_bufct=%d\n",
2056 POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
d7e09d03
PT		 2057 ioo->ioo_bufcnt);
2058}
2059EXPORT_SYMBOL(dump_ioo);
2060
2061void dump_rniobuf(struct niobuf_remote *nb)
2062{
b0f5aad5 2063 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
d7e09d03
PT		 2064 nb->offset, nb->len, nb->flags);
2065}
2066EXPORT_SYMBOL(dump_rniobuf);
2067
09eb98b3 2068static void dump_obdo(struct obdo *oa)
d7e09d03
PT		 2069{
2070 __u32 valid = oa->o_valid;
2071
2072 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2073 if (valid & OBD_MD_FLID)
2074 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2075 if (valid & OBD_MD_FLFID)
55f5a824 2076 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
d7e09d03
PT		 2077 oa->o_parent_seq);
2078 if (valid & OBD_MD_FLSIZE)
f537dd2c 2079 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
d7e09d03 2080 if (valid & OBD_MD_FLMTIME)
f537dd2c 2081 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
d7e09d03 2082 if (valid & OBD_MD_FLATIME)
f537dd2c 2083 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
d7e09d03 2084 if (valid & OBD_MD_FLCTIME)
f537dd2c 2085 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
d7e09d03 2086 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
f537dd2c 2087 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
d7e09d03 2088 if (valid & OBD_MD_FLGRANT)
f537dd2c 2089 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
d7e09d03
PT		 2090 if (valid & OBD_MD_FLBLKSZ)
2091 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2092 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2093 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2094 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2095 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2096 if (valid & OBD_MD_FLUID)
2097 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2098 if (valid & OBD_MD_FLUID)
2099 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2100 if (valid & OBD_MD_FLGID)
2101 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2102 if (valid & OBD_MD_FLGID)
2103 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2104 if (valid & OBD_MD_FLFLAGS)
2105 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2106 if (valid & OBD_MD_FLNLINK)
2107 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2108 else if (valid & OBD_MD_FLCKSUM)
2109 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2110 oa->o_nlink);
2111 if (valid & OBD_MD_FLGENER)
2112 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2113 oa->o_parent_oid);
2114 if (valid & OBD_MD_FLEPOCH)
f537dd2c 2115 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = %lld\n",
d7e09d03
PT		 2116 oa->o_ioepoch);
2117 if (valid & OBD_MD_FLFID) {
2118 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2119 oa->o_stripe_idx);
2120 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2121 oa->o_parent_ver);
2122 }
2123 if (valid & OBD_MD_FLHANDLE)
f537dd2c 2124 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
d7e09d03
PT		 2125 oa->o_handle.cookie);
2126 if (valid & OBD_MD_FLCOOKIE)
2d00bd17 2127 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = (llog_cookie dumping not yet implemented)\n");
d7e09d03 2128}
d7e09d03
PT		 2129
2130void dump_ost_body(struct ost_body *ob)
2131{
2132 dump_obdo(&ob->oa);
2133}
2134EXPORT_SYMBOL(dump_ost_body);
2135
2136void dump_rcs(__u32 *rc)
2137{
2138 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2139}
2140EXPORT_SYMBOL(dump_rcs);
2141
2142static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2143{
2144 LASSERT(req->rq_reqmsg);
2145
2146 switch (req->rq_reqmsg->lm_magic) {
2147 case LUSTRE_MSG_MAGIC_V2:
2148 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2149 default:
2150 CERROR("bad lustre msg magic: %#08X\n",
2151 req->rq_reqmsg->lm_magic);
2152 }
2153 return 0;
2154}
2155
2156static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2157{
2158 LASSERT(req->rq_repmsg);
2159
2160 switch (req->rq_repmsg->lm_magic) {
2161 case LUSTRE_MSG_MAGIC_V2:
2162 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2163 default:
2164 /* uninitialized yet */
2165 return 0;
2166 }
2167}
2168
2169void _debug_req(struct ptlrpc_request *req,
2170 struct libcfs_debug_msg_data *msgdata,
0d100bfc 2171 const char *fmt, ...)
d7e09d03
PT		 2172{
2173 int req_ok = req->rq_reqmsg != NULL;
2174 int rep_ok = req->rq_repmsg != NULL;
2175 lnet_nid_t nid = LNET_NID_ANY;
2176 va_list args;
2177
2178 if (ptlrpc_req_need_swab(req)) {
2179 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2180 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2181 }
2182
2183 if (req->rq_import && req->rq_import->imp_connection)
2184 nid = req->rq_import->imp_connection->c_peer.nid;
2185 else if (req->rq_export && req->rq_export->exp_connection)
2186 nid = req->rq_export->exp_connection->c_peer.nid;
2187
2188 va_start(args, fmt);
2189 libcfs_debug_vmsg2(msgdata, fmt, args,
219e6de6 2190 " req@%p x%llu/t%lld(%lld) o%d->%s@%s:%d/%d lens %d/%d e %d to %lld dl %lld ref %d fl " REQ_FLAGS_FMT "/%x/%x rc %d/%d\n",
d7e09d03
PT		 2191 req, req->rq_xid, req->rq_transno,
2192 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2193 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2194 req->rq_import ?
2d00bd17
JP		 2195 req->rq_import->imp_obd->obd_name :
2196 req->rq_export ?
2197 req->rq_export->exp_client_uuid.uuid :
2198 "<?>",
d7e09d03
PT		 2199 libcfs_nid2str(nid),
2200 req->rq_request_portal, req->rq_reply_portal,
2201 req->rq_reqlen, req->rq_replen,
219e6de6
AB		 2202 req->rq_early_count, (s64)req->rq_timedout,
2203 (s64)req->rq_deadline,
d7e09d03
PT		 2204 atomic_read(&req->rq_refcount),
2205 DEBUG_REQ_FLAGS(req),
2206 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2207 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2208 req->rq_status,
2209 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
353471a6 2210 va_end(args);
d7e09d03
PT		 2211}
2212EXPORT_SYMBOL(_debug_req);
2213
2214void lustre_swab_lustre_capa(struct lustre_capa *c)
2215{
2216 lustre_swab_lu_fid(&c->lc_fid);
0d100bfc
KM		 2217 __swab64s(&c->lc_opc);
2218 __swab64s(&c->lc_uid);
2219 __swab64s(&c->lc_gid);
2220 __swab32s(&c->lc_flags);
2221 __swab32s(&c->lc_keyid);
2222 __swab32s(&c->lc_timeout);
2223 __swab32s(&c->lc_expiry);
d7e09d03
PT		 2224}
2225EXPORT_SYMBOL(lustre_swab_lustre_capa);
2226
d7e09d03
PT		 2227void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2228{
2229 __swab32s(&state->hus_states);
2230 __swab32s(&state->hus_archive_id);
2231}
2232EXPORT_SYMBOL(lustre_swab_hsm_user_state);
2233
2234void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2235{
2236 __swab32s(&hss->hss_valid);
2237 __swab64s(&hss->hss_setmask);
2238 __swab64s(&hss->hss_clearmask);
2239 __swab32s(&hss->hss_archive_id);
2240}
2241EXPORT_SYMBOL(lustre_swab_hsm_state_set);
2242
2adf5e87 2243static void lustre_swab_hsm_extent(struct hsm_extent *extent)
d7e09d03
PT		 2244{
2245 __swab64s(&extent->offset);
2246 __swab64s(&extent->length);
2247}
2248
2249void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2250{
2251 __swab32s(&action->hca_state);
2252 __swab32s(&action->hca_action);
2253 lustre_swab_hsm_extent(&action->hca_location);
2254}
2255EXPORT_SYMBOL(lustre_swab_hsm_current_action);
2256
2257void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2258{
2259 lustre_swab_lu_fid(&hui->hui_fid);
2260 lustre_swab_hsm_extent(&hui->hui_extent);
2261}
2262EXPORT_SYMBOL(lustre_swab_hsm_user_item);
2263
2264void lustre_swab_layout_intent(struct layout_intent *li)
2265{
2266 __swab32s(&li->li_opc);
2267 __swab32s(&li->li_flags);
2268 __swab64s(&li->li_start);
2269 __swab64s(&li->li_end);
2270}
2271EXPORT_SYMBOL(lustre_swab_layout_intent);
2272
2273void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2274{
2275 lustre_swab_lu_fid(&hpk->hpk_fid);
2276 __swab64s(&hpk->hpk_cookie);
2277 __swab64s(&hpk->hpk_extent.offset);
2278 __swab64s(&hpk->hpk_extent.length);
2279 __swab16s(&hpk->hpk_flags);
2280 __swab16s(&hpk->hpk_errval);
2281}
2282EXPORT_SYMBOL(lustre_swab_hsm_progress_kernel);
2283
2284void lustre_swab_hsm_request(struct hsm_request *hr)
2285{
2286 __swab32s(&hr->hr_action);
2287 __swab32s(&hr->hr_archive_id);
2288 __swab64s(&hr->hr_flags);
2289 __swab32s(&hr->hr_itemcount);
2290 __swab32s(&hr->hr_data_len);
2291}
2292EXPORT_SYMBOL(lustre_swab_hsm_request);
2293
d7e09d03
PT		 2294void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2295{
2296 __swab64s(&msl->msl_flags);
2297}
2298EXPORT_SYMBOL(lustre_swab_swap_layouts);
48d23e61
JX		 2299
2300void lustre_swab_close_data(struct close_data *cd)
2301{
2302 lustre_swab_lu_fid(&cd->cd_fid);
2303 __swab64s(&cd->cd_data_version);
2304}
2305EXPORT_SYMBOL(lustre_swab_close_data);
Linux kernel - Deliverables
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