1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/ptlrpc/pack_generic.c
38 * (Un)packing of OST requests
40 * Author: Peter J. Braam <braam@clusterfs.com>
41 * Author: Phil Schwan <phil@clusterfs.com>
42 * Author: Eric Barton <eeb@clusterfs.com>
45 #define DEBUG_SUBSYSTEM S_RPC
47 # include <liblustre.h>
50 #include <libcfs/libcfs.h>
52 #include <obd_support.h>
53 #include <obd_class.h>
54 #include <lustre_net.h>
55 #include <obd_cksum.h>
56 #include <lustre/ll_fiemap.h>
58 static inline int lustre_msg_hdr_size_v2(int count)
60 return size_round(offsetof(struct lustre_msg_v2, lm_buflens[count]));
63 int lustre_msg_hdr_size(__u32 magic, int count)
66 case LUSTRE_MSG_MAGIC_V2:
67 return lustre_msg_hdr_size_v2(count);
69 LASSERTF(0, "incorrect message magic: %08x\n", magic);
73 EXPORT_SYMBOL(lustre_msg_hdr_size);
75 int lustre_msg_swabbed(struct lustre_msg *msg)
77 return (msg->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
81 lustre_msg_check_version_v2(struct lustre_msg_v2 *msg, __u32 version)
83 __u32 ver = lustre_msg_get_version(msg);
84 return (ver & LUSTRE_VERSION_MASK) != version;
87 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
89 switch (msg->lm_magic) {
90 case LUSTRE_MSG_MAGIC_V1:
91 case LUSTRE_MSG_MAGIC_V1_SWABBED:
92 CERROR("msg v1 not supported - please upgrade you system\n");
94 case LUSTRE_MSG_MAGIC_V2:
95 case LUSTRE_MSG_MAGIC_V2_SWABBED:
96 return lustre_msg_check_version_v2(msg, version);
98 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
103 /* early reply size */
104 int lustre_msg_early_size() {
107 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, NULL);
110 EXPORT_SYMBOL(lustre_msg_early_size);
112 int lustre_msg_size_v2(int count, __u32 *lengths)
117 size = lustre_msg_hdr_size_v2(count);
118 for (i = 0; i < count; i++)
119 size += size_round(lengths[i]);
123 EXPORT_SYMBOL(lustre_msg_size_v2);
125 /* This returns the size of the buffer that is required to hold a lustre_msg
126 * with the given sub-buffer lengths.
127 * NOTE: this should only be used for NEW requests, and should always be
128 * in the form of a v2 request. If this is a connection to a v1
129 * target then the first buffer will be stripped because the ptlrpc
130 * data is part of the lustre_msg_v1 header. b=14043 */
131 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
133 __u32 size[] = { sizeof(struct ptlrpc_body) };
141 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
144 case LUSTRE_MSG_MAGIC_V2:
145 return lustre_msg_size_v2(count, lens);
147 LASSERTF(0, "incorrect message magic: %08x\n", magic);
152 /* This is used to determine the size of a buffer that was already packed
153 * and will correctly handle the different message formats. */
154 int lustre_packed_msg_size(struct lustre_msg *msg)
156 switch (msg->lm_magic) {
157 case LUSTRE_MSG_MAGIC_V2:
158 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
160 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
165 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
171 msg->lm_bufcount = count;
172 /* XXX: lm_secflvr uninitialized here */
173 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
175 for (i = 0; i < count; i++)
176 msg->lm_buflens[i] = lens[i];
181 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
182 for (i = 0; i < count; i++) {
184 LOGL(tmp, lens[i], ptr);
187 EXPORT_SYMBOL(lustre_init_msg_v2);
189 static int lustre_pack_request_v2(struct ptlrpc_request *req,
190 int count, __u32 *lens, char **bufs)
194 reqlen = lustre_msg_size_v2(count, lens);
196 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
200 req->rq_reqlen = reqlen;
202 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
203 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
204 lustre_set_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
208 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
209 __u32 *lens, char **bufs)
211 __u32 size[] = { sizeof(struct ptlrpc_body) };
219 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
221 /* only use new format, we don't need to be compatible with 1.4 */
222 magic = LUSTRE_MSG_MAGIC_V2;
225 case LUSTRE_MSG_MAGIC_V2:
226 return lustre_pack_request_v2(req, count, lens, bufs);
228 LASSERTF(0, "incorrect message magic: %08x\n", magic);
234 CFS_LIST_HEAD(ptlrpc_rs_debug_lru);
235 spinlock_t ptlrpc_rs_debug_lock;
237 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
239 spin_lock(&ptlrpc_rs_debug_lock); \
240 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
241 spin_unlock(&ptlrpc_rs_debug_lock); \
244 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
246 spin_lock(&ptlrpc_rs_debug_lock); \
247 list_del(&(rs)->rs_debug_list); \
248 spin_unlock(&ptlrpc_rs_debug_lock); \
251 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
252 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
255 struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc)
257 struct ptlrpc_reply_state *rs = NULL;
259 spin_lock(&svc->srv_lock);
260 /* See if we have anything in a pool, and wait if nothing */
261 while (list_empty(&svc->srv_free_rs_list)) {
262 struct l_wait_info lwi;
264 spin_unlock(&svc->srv_lock);
265 /* If we cannot get anything for some long time, we better
266 bail out instead of waiting infinitely */
267 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
268 rc = l_wait_event(svc->srv_free_rs_waitq,
269 !list_empty(&svc->srv_free_rs_list), &lwi);
272 spin_lock(&svc->srv_lock);
275 rs = list_entry(svc->srv_free_rs_list.next, struct ptlrpc_reply_state,
277 list_del(&rs->rs_list);
278 spin_unlock(&svc->srv_lock);
280 memset(rs, 0, svc->srv_max_reply_size);
281 rs->rs_service = svc;
287 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
289 struct ptlrpc_service *svc = rs->rs_service;
293 spin_lock(&svc->srv_lock);
294 list_add(&rs->rs_list, &svc->srv_free_rs_list);
295 spin_unlock(&svc->srv_lock);
296 cfs_waitq_signal(&svc->srv_free_rs_waitq);
299 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
300 __u32 *lens, char **bufs, int flags)
302 struct ptlrpc_reply_state *rs;
306 LASSERT(req->rq_reply_state == NULL);
308 if ((flags & LPRFL_EARLY_REPLY) == 0)
309 req->rq_packed_final = 1;
311 msg_len = lustre_msg_size_v2(count, lens);
312 rc = sptlrpc_svc_alloc_rs(req, msg_len);
316 rs = req->rq_reply_state;
317 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
318 rs->rs_cb_id.cbid_fn = reply_out_callback;
319 rs->rs_cb_id.cbid_arg = rs;
320 rs->rs_service = req->rq_rqbd->rqbd_service;
321 CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
322 CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
324 req->rq_replen = msg_len;
325 req->rq_reply_state = rs;
326 req->rq_repmsg = rs->rs_msg;
328 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
329 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
330 lustre_set_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
332 PTLRPC_RS_DEBUG_LRU_ADD(rs);
336 EXPORT_SYMBOL(lustre_pack_reply_v2);
338 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
339 char **bufs, int flags)
342 __u32 size[] = { sizeof(struct ptlrpc_body) };
350 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
352 switch (req->rq_reqmsg->lm_magic) {
353 case LUSTRE_MSG_MAGIC_V2:
354 case LUSTRE_MSG_MAGIC_V2_SWABBED:
355 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
358 LASSERTF(0, "incorrect message magic: %08x\n",
359 req->rq_reqmsg->lm_magic);
363 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
364 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
368 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
371 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
374 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
376 int i, offset, buflen, bufcount;
381 bufcount = m->lm_bufcount;
382 if (unlikely(n >= bufcount)) {
383 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
388 buflen = m->lm_buflens[n];
389 if (unlikely(buflen < min_size)) {
390 CERROR("msg %p buffer[%d] size %d too small (required %d)\n",
391 m, n, buflen, min_size);
395 offset = lustre_msg_hdr_size_v2(bufcount);
396 for (i = 0; i < n; i++)
397 offset += size_round(m->lm_buflens[i]);
399 return (char *)m + offset;
402 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
404 switch (m->lm_magic) {
405 case LUSTRE_MSG_MAGIC_V2:
406 case LUSTRE_MSG_MAGIC_V2_SWABBED:
407 return lustre_msg_buf_v2(m, n, min_size);
409 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
414 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
415 unsigned int newlen, int move_data)
417 char *tail = NULL, *newpos;
421 LASSERT(msg->lm_bufcount > segment);
422 LASSERT(msg->lm_buflens[segment] >= newlen);
424 if (msg->lm_buflens[segment] == newlen)
427 if (move_data && msg->lm_bufcount > segment + 1) {
428 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
429 for (n = segment + 1; n < msg->lm_bufcount; n++)
430 tail_len += size_round(msg->lm_buflens[n]);
433 msg->lm_buflens[segment] = newlen;
435 if (tail && tail_len) {
436 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
437 LASSERT(newpos <= tail);
439 memcpy(newpos, tail, tail_len);
442 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
446 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
447 * we also move data forward from @segment + 1.
449 * if @newlen == 0, we remove the segment completely, but we still keep the
450 * totally bufcount the same to save possible data moving. this will leave a
451 * unused segment with size 0 at the tail, but that's ok.
453 * return new msg size after shrinking.
456 * + if any buffers higher than @segment has been filled in, must call shrink
457 * with non-zero @move_data.
458 * + caller should NOT keep pointers to msg buffers which higher than @segment
461 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
462 unsigned int newlen, int move_data)
464 switch (msg->lm_magic) {
465 case LUSTRE_MSG_MAGIC_V2:
466 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
468 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
472 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
474 PTLRPC_RS_DEBUG_LRU_DEL(rs);
476 LASSERT (atomic_read(&rs->rs_refcount) == 0);
477 LASSERT (!rs->rs_difficult || rs->rs_handled);
478 LASSERT (!rs->rs_on_net);
479 LASSERT (!rs->rs_scheduled);
480 LASSERT (rs->rs_export == NULL);
481 LASSERT (rs->rs_nlocks == 0);
482 LASSERT (list_empty(&rs->rs_exp_list));
483 LASSERT (list_empty(&rs->rs_obd_list));
485 sptlrpc_svc_free_rs(rs);
488 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
490 int flipped, required_len, i;
492 /* Now we know the sender speaks my language. */
493 required_len = lustre_msg_hdr_size_v2(0);
494 if (len < required_len) {
495 /* can't even look inside the message */
496 CERROR("message length %d too small for lustre_msg\n", len);
500 flipped = lustre_msg_swabbed(m);
503 __swab32s(&m->lm_bufcount);
504 __swab32s(&m->lm_secflvr);
505 __swab32s(&m->lm_repsize);
506 __swab32s(&m->lm_cksum);
507 __swab32s(&m->lm_flags);
508 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
509 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
512 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
513 if (len < required_len) {
514 /* didn't receive all the buffer lengths */
515 CERROR ("message length %d too small for %d buflens\n",
516 len, m->lm_bufcount);
520 for (i = 0; i < m->lm_bufcount; i++) {
522 __swab32s(&m->lm_buflens[i]);
523 required_len += size_round(m->lm_buflens[i]);
526 if (len < required_len) {
527 CERROR("len: %d, required_len %d\n", len, required_len);
528 CERROR("bufcount: %d\n", m->lm_bufcount);
529 for (i = 0; i < m->lm_bufcount; i++)
530 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
537 int lustre_unpack_msg(struct lustre_msg *m, int len)
539 int required_len, rc;
542 /* We can provide a slightly better error log, if we check the
543 * message magic and version first. In the future, struct
544 * lustre_msg may grow, and we'd like to log a version mismatch,
545 * rather than a short message.
548 required_len = offsetof(struct lustre_msg, lm_magic) +
550 if (len < required_len) {
551 /* can't even look inside the message */
552 CERROR("message length %d too small for magic/version check\n",
557 switch (m->lm_magic) {
558 case LUSTRE_MSG_MAGIC_V2:
559 case LUSTRE_MSG_MAGIC_V2_SWABBED:
560 rc = lustre_unpack_msg_v2(m, len);
563 CERROR("bad lustre msg magic: %#08X\n", m->lm_magic);
570 static inline int lustre_unpack_ptlrpc_body_v2(struct lustre_msg_v2 *m,
573 struct ptlrpc_body *pb;
575 pb = lustre_msg_buf_v2(m, offset, sizeof(*pb));
577 CERROR("error unpacking ptlrpc body\n");
580 if (lustre_msg_swabbed(m))
581 lustre_swab_ptlrpc_body(pb);
583 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
584 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
591 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
593 switch (req->rq_reqmsg->lm_magic) {
594 case LUSTRE_MSG_MAGIC_V2:
595 case LUSTRE_MSG_MAGIC_V2_SWABBED:
596 lustre_set_req_swabbed(req, offset);
597 return lustre_unpack_ptlrpc_body_v2(req->rq_reqmsg, offset);
599 CERROR("bad lustre msg magic: %#08X\n",
600 req->rq_reqmsg->lm_magic);
605 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
607 switch (req->rq_repmsg->lm_magic) {
608 case LUSTRE_MSG_MAGIC_V2:
609 case LUSTRE_MSG_MAGIC_V2_SWABBED:
610 lustre_set_rep_swabbed(req, offset);
611 return lustre_unpack_ptlrpc_body_v2(req->rq_repmsg, offset);
613 CERROR("bad lustre msg magic: %#08X\n",
614 req->rq_repmsg->lm_magic);
619 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
621 if (n >= m->lm_bufcount)
624 return m->lm_buflens[n];
628 * lustre_msg_buflen - return the length of buffer @n in message @m
629 * @m - lustre_msg (request or reply) to look at
630 * @n - message index (base 0)
632 * returns zero for non-existent message indices
634 int lustre_msg_buflen(struct lustre_msg *m, int n)
636 switch (m->lm_magic) {
637 case LUSTRE_MSG_MAGIC_V2:
638 case LUSTRE_MSG_MAGIC_V2_SWABBED:
639 return lustre_msg_buflen_v2(m, n);
641 CERROR("incorrect message magic: %08x\n", m->lm_magic);
645 EXPORT_SYMBOL(lustre_msg_buflen);
648 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
650 if (n >= m->lm_bufcount)
653 m->lm_buflens[n] = len;
656 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
658 switch (m->lm_magic) {
659 case LUSTRE_MSG_MAGIC_V2:
660 lustre_msg_set_buflen_v2(m, n, len);
663 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
667 EXPORT_SYMBOL(lustre_msg_set_buflen);
669 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
670 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
671 int lustre_msg_bufcount(struct lustre_msg *m)
673 switch (m->lm_magic) {
674 case LUSTRE_MSG_MAGIC_V2:
675 case LUSTRE_MSG_MAGIC_V2_SWABBED:
676 return m->lm_bufcount;
678 CERROR("incorrect message magic: %08x\n", m->lm_magic);
682 EXPORT_SYMBOL(lustre_msg_bufcount);
684 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
686 /* max_len == 0 means the string should fill the buffer */
690 switch (m->lm_magic) {
691 case LUSTRE_MSG_MAGIC_V2:
692 case LUSTRE_MSG_MAGIC_V2_SWABBED:
693 str = lustre_msg_buf_v2(m, index, 0);
694 blen = lustre_msg_buflen_v2(m, index);
697 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
701 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
705 slen = strnlen(str, blen);
707 if (slen == blen) { /* not NULL terminated */
708 CERROR("can't unpack non-NULL terminated string in "
709 "msg %p buffer[%d] len %d\n", m, index, blen);
714 if (slen != blen - 1) {
715 CERROR("can't unpack short string in msg %p "
716 "buffer[%d] len %d: strlen %d\n",
717 m, index, blen, slen);
720 } else if (slen > max_len) {
721 CERROR("can't unpack oversized string in msg %p "
722 "buffer[%d] len %d strlen %d: max %d expected\n",
723 m, index, blen, slen, max_len);
730 /* Wrap up the normal fixed length cases */
731 void *lustre_swab_buf(struct lustre_msg *msg, int index, int min_size,
736 LASSERT(msg != NULL);
737 switch (msg->lm_magic) {
738 case LUSTRE_MSG_MAGIC_V2:
739 case LUSTRE_MSG_MAGIC_V2_SWABBED:
740 ptr = lustre_msg_buf_v2(msg, index, min_size);
743 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
748 if (swabber != NULL && lustre_msg_swabbed(msg))
749 ((void (*)(void *))swabber)(ptr);
754 void *lustre_swab_reqbuf(struct ptlrpc_request *req, int index, int min_size,
757 lustre_set_req_swabbed(req, index);
758 return lustre_swab_buf(req->rq_reqmsg, index, min_size, swabber);
761 void *lustre_swab_repbuf(struct ptlrpc_request *req, int index, int min_size,
764 lustre_set_rep_swabbed(req, index);
765 return lustre_swab_buf(req->rq_repmsg, index, min_size, swabber);
768 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
770 switch (msg->lm_magic) {
771 case LUSTRE_MSG_MAGIC_V1:
772 case LUSTRE_MSG_MAGIC_V1_SWABBED:
774 case LUSTRE_MSG_MAGIC_V2:
775 case LUSTRE_MSG_MAGIC_V2_SWABBED:
776 /* already in host endian */
777 return msg->lm_flags;
779 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
783 EXPORT_SYMBOL(lustre_msghdr_get_flags);
785 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
787 switch (msg->lm_magic) {
788 case LUSTRE_MSG_MAGIC_V1:
790 case LUSTRE_MSG_MAGIC_V2:
791 msg->lm_flags = flags;
794 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
798 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
800 switch (msg->lm_magic) {
801 case LUSTRE_MSG_MAGIC_V2:
802 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
803 struct ptlrpc_body *pb;
805 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
807 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
813 /* flags might be printed in debug code while message
819 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
821 switch (msg->lm_magic) {
822 case LUSTRE_MSG_MAGIC_V2: {
823 struct ptlrpc_body *pb;
825 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
826 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
827 pb->pb_flags |= flags;
831 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
835 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
837 switch (msg->lm_magic) {
838 case LUSTRE_MSG_MAGIC_V2: {
839 struct ptlrpc_body *pb;
841 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
842 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
843 pb->pb_flags = flags;
847 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
851 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
853 switch (msg->lm_magic) {
854 case LUSTRE_MSG_MAGIC_V2:
855 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
856 struct ptlrpc_body *pb;
858 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
859 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
860 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
864 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
868 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
870 switch (msg->lm_magic) {
871 case LUSTRE_MSG_MAGIC_V2:
872 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
873 struct ptlrpc_body *pb;
875 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
877 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
880 return pb->pb_op_flags;
887 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
889 switch (msg->lm_magic) {
890 case LUSTRE_MSG_MAGIC_V2: {
891 struct ptlrpc_body *pb;
893 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
894 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
895 pb->pb_op_flags |= flags;
899 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
903 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
905 switch (msg->lm_magic) {
906 case LUSTRE_MSG_MAGIC_V2: {
907 struct ptlrpc_body *pb;
909 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
910 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
911 pb->pb_op_flags |= flags;
915 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
919 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
921 switch (msg->lm_magic) {
922 case LUSTRE_MSG_MAGIC_V2:
923 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
924 struct ptlrpc_body *pb;
926 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
928 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
931 return &pb->pb_handle;
934 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
939 __u32 lustre_msg_get_type(struct lustre_msg *msg)
941 switch (msg->lm_magic) {
942 case LUSTRE_MSG_MAGIC_V2:
943 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
944 struct ptlrpc_body *pb;
946 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
948 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
949 return PTL_RPC_MSG_ERR;
954 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
955 return PTL_RPC_MSG_ERR;
959 __u32 lustre_msg_get_version(struct lustre_msg *msg)
961 switch (msg->lm_magic) {
962 case LUSTRE_MSG_MAGIC_V2:
963 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
964 struct ptlrpc_body *pb;
966 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
968 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
971 return pb->pb_version;
974 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
979 void lustre_msg_add_version(struct lustre_msg *msg, int version)
981 switch (msg->lm_magic) {
982 case LUSTRE_MSG_MAGIC_V2:
983 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
984 struct ptlrpc_body *pb;
986 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
987 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
988 pb->pb_version |= version;
992 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
996 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
998 switch (msg->lm_magic) {
999 case LUSTRE_MSG_MAGIC_V2:
1000 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1001 struct ptlrpc_body *pb;
1003 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1005 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1011 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1016 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1018 switch (msg->lm_magic) {
1019 case LUSTRE_MSG_MAGIC_V2:
1020 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1021 struct ptlrpc_body *pb;
1023 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1025 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1028 return pb->pb_last_xid;
1031 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1036 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1038 switch (msg->lm_magic) {
1039 case LUSTRE_MSG_MAGIC_V2:
1040 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1041 struct ptlrpc_body *pb;
1043 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1045 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1048 return pb->pb_last_committed;
1051 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1056 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1058 switch (msg->lm_magic) {
1059 case LUSTRE_MSG_MAGIC_V2:
1060 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1061 struct ptlrpc_body *pb;
1063 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1065 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1068 return pb->pb_transno;
1071 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1076 int lustre_msg_get_status(struct lustre_msg *msg)
1078 switch (msg->lm_magic) {
1079 case LUSTRE_MSG_MAGIC_V2:
1080 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1081 struct ptlrpc_body *pb;
1083 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1085 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1088 return pb->pb_status;
1091 /* status might be printed in debug code while message
1097 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1099 switch (msg->lm_magic) {
1100 case LUSTRE_MSG_MAGIC_V2:
1101 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1102 struct ptlrpc_body *pb;
1104 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1106 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1112 CERROR("invalid msg magic %x\n", msg->lm_magic);
1118 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1120 switch (msg->lm_magic) {
1121 case LUSTRE_MSG_MAGIC_V2:
1122 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1123 struct ptlrpc_body *pb;
1125 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1127 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1134 CERROR("invalid msg magic %x\n", msg->lm_magic);
1139 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1141 switch (msg->lm_magic) {
1142 case LUSTRE_MSG_MAGIC_V2:
1143 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1144 struct ptlrpc_body *pb;
1146 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1148 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1151 return pb->pb_limit;
1154 CERROR("invalid msg magic %x\n", msg->lm_magic);
1160 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1162 switch (msg->lm_magic) {
1163 case LUSTRE_MSG_MAGIC_V2:
1164 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1165 struct ptlrpc_body *pb;
1167 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1169 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1172 pb->pb_limit = limit;
1176 CERROR("invalid msg magic %x\n", msg->lm_magic);
1181 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1183 switch (msg->lm_magic) {
1184 case LUSTRE_MSG_MAGIC_V2:
1185 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1186 struct ptlrpc_body *pb;
1188 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1190 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1193 return pb->pb_conn_cnt;
1196 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1201 int lustre_msg_is_v1(struct lustre_msg *msg)
1203 switch (msg->lm_magic) {
1204 case LUSTRE_MSG_MAGIC_V1:
1205 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1212 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1214 switch (msg->lm_magic) {
1215 case LUSTRE_MSG_MAGIC_V2:
1216 case LUSTRE_MSG_MAGIC_V2_SWABBED:
1217 return msg->lm_magic;
1219 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1224 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1226 switch (msg->lm_magic) {
1227 case LUSTRE_MSG_MAGIC_V1:
1228 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1230 case LUSTRE_MSG_MAGIC_V2:
1231 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1232 struct ptlrpc_body *pb;
1234 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1236 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1240 return pb->pb_timeout;
1243 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1248 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1250 switch (msg->lm_magic) {
1251 case LUSTRE_MSG_MAGIC_V1:
1252 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1254 case LUSTRE_MSG_MAGIC_V2:
1255 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1256 struct ptlrpc_body *pb;
1258 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1260 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1264 return pb->pb_service_time;
1267 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1272 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1274 switch (msg->lm_magic) {
1275 case LUSTRE_MSG_MAGIC_V1:
1276 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1278 case LUSTRE_MSG_MAGIC_V2:
1279 case LUSTRE_MSG_MAGIC_V2_SWABBED:
1280 return msg->lm_cksum;
1282 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1287 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1289 switch (msg->lm_magic) {
1290 case LUSTRE_MSG_MAGIC_V1:
1291 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1293 case LUSTRE_MSG_MAGIC_V2:
1294 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1295 struct ptlrpc_body *pb;
1296 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1297 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1298 return crc32_le(~(__u32)0, (unsigned char *)pb, sizeof(*pb));
1301 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1306 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1308 switch (msg->lm_magic) {
1309 case LUSTRE_MSG_MAGIC_V2: {
1310 struct ptlrpc_body *pb;
1312 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1313 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1314 pb->pb_handle = *handle;
1318 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1322 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1324 switch (msg->lm_magic) {
1325 case LUSTRE_MSG_MAGIC_V2: {
1326 struct ptlrpc_body *pb;
1328 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1329 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1334 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1338 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1340 switch (msg->lm_magic) {
1341 case LUSTRE_MSG_MAGIC_V2: {
1342 struct ptlrpc_body *pb;
1344 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1345 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1350 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1354 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1356 switch (msg->lm_magic) {
1357 case LUSTRE_MSG_MAGIC_V2: {
1358 struct ptlrpc_body *pb;
1360 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1361 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1362 pb->pb_last_xid = last_xid;
1366 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1370 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1372 switch (msg->lm_magic) {
1373 case LUSTRE_MSG_MAGIC_V2: {
1374 struct ptlrpc_body *pb;
1376 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1377 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1378 pb->pb_last_committed = last_committed;
1382 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1386 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1388 switch (msg->lm_magic) {
1389 case LUSTRE_MSG_MAGIC_V2: {
1390 struct ptlrpc_body *pb;
1392 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1393 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1394 pb->pb_transno = transno;
1398 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1402 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1404 switch (msg->lm_magic) {
1405 case LUSTRE_MSG_MAGIC_V2: {
1406 struct ptlrpc_body *pb;
1408 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1409 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1410 pb->pb_status = status;
1414 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1418 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1420 switch (msg->lm_magic) {
1421 case LUSTRE_MSG_MAGIC_V2: {
1422 struct ptlrpc_body *pb;
1424 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1425 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1426 pb->pb_conn_cnt = conn_cnt;
1430 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1434 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1436 switch (msg->lm_magic) {
1437 case LUSTRE_MSG_MAGIC_V1:
1439 case LUSTRE_MSG_MAGIC_V2: {
1440 struct ptlrpc_body *pb;
1442 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1443 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1444 pb->pb_timeout = timeout;
1448 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1452 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1454 switch (msg->lm_magic) {
1455 case LUSTRE_MSG_MAGIC_V1:
1457 case LUSTRE_MSG_MAGIC_V2: {
1458 struct ptlrpc_body *pb;
1460 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1461 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1462 pb->pb_service_time = service_time;
1466 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1470 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1472 switch (msg->lm_magic) {
1473 case LUSTRE_MSG_MAGIC_V1:
1475 case LUSTRE_MSG_MAGIC_V2:
1476 msg->lm_cksum = cksum;
1479 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1484 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1486 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1488 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1489 req->rq_pill.rc_area[RCL_SERVER]);
1490 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1491 req->rq_reqmsg->lm_repsize = req->rq_replen;
1494 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1496 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1497 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1498 req->rq_reqmsg->lm_repsize = req->rq_replen;
1501 /* byte flipping routines for all wire types declared in
1502 * lustre_idl.h implemented here.
1504 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1506 __swab32s (&b->pb_type);
1507 __swab32s (&b->pb_version);
1508 __swab32s (&b->pb_opc);
1509 __swab32s (&b->pb_status);
1510 __swab64s (&b->pb_last_xid);
1511 __swab64s (&b->pb_last_seen);
1512 __swab64s (&b->pb_last_committed);
1513 __swab64s (&b->pb_transno);
1514 __swab32s (&b->pb_flags);
1515 __swab32s (&b->pb_op_flags);
1516 __swab32s (&b->pb_conn_cnt);
1517 __swab32s (&b->pb_timeout);
1518 __swab32s (&b->pb_service_time);
1519 __swab32s (&b->pb_limit);
1520 __swab64s (&b->pb_slv);
1521 __swab64s (&b->pb_pre_versions[0]);
1522 __swab64s (&b->pb_pre_versions[1]);
1523 __swab64s (&b->pb_pre_versions[2]);
1524 __swab64s (&b->pb_pre_versions[3]);
1525 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1528 void lustre_swab_connect(struct obd_connect_data *ocd)
1530 __swab64s(&ocd->ocd_connect_flags);
1531 __swab32s(&ocd->ocd_version);
1532 __swab32s(&ocd->ocd_grant);
1533 __swab64s(&ocd->ocd_ibits_known);
1534 __swab32s(&ocd->ocd_index);
1535 __swab32s(&ocd->ocd_brw_size);
1536 __swab32s(&ocd->ocd_nllu);
1537 __swab32s(&ocd->ocd_nllg);
1538 __swab64s(&ocd->ocd_transno);
1539 __swab32s(&ocd->ocd_group);
1540 __swab32s(&ocd->ocd_cksum_types);
1541 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1542 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1545 void lustre_swab_obdo (struct obdo *o)
1547 __swab64s (&o->o_valid);
1548 __swab64s (&o->o_id);
1549 __swab64s (&o->o_gr);
1550 __swab64s (&o->o_fid);
1551 __swab64s (&o->o_size);
1552 __swab64s (&o->o_mtime);
1553 __swab64s (&o->o_atime);
1554 __swab64s (&o->o_ctime);
1555 __swab64s (&o->o_blocks);
1556 __swab64s (&o->o_grant);
1557 __swab32s (&o->o_blksize);
1558 __swab32s (&o->o_mode);
1559 __swab32s (&o->o_uid);
1560 __swab32s (&o->o_gid);
1561 __swab32s (&o->o_flags);
1562 __swab32s (&o->o_nlink);
1563 __swab32s (&o->o_generation);
1564 __swab32s (&o->o_misc);
1565 __swab32s (&o->o_easize);
1566 __swab32s (&o->o_mds);
1567 __swab32s (&o->o_stripe_idx);
1568 __swab32s (&o->o_padding_1);
1569 /* o_inline is opaque */
1572 void lustre_swab_obd_statfs (struct obd_statfs *os)
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);
1580 /* no need to swab os_fsid */
1581 __swab32s (&os->os_bsize);
1582 __swab32s (&os->os_namelen);
1583 __swab64s (&os->os_maxbytes);
1584 __swab32s (&os->os_state);
1585 /* no need to swap os_spare */
1588 void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
1590 __swab64s (&ioo->ioo_id);
1591 __swab64s (&ioo->ioo_gr);
1592 __swab32s (&ioo->ioo_type);
1593 __swab32s (&ioo->ioo_bufcnt);
1596 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1598 __swab64s (&nbr->offset);
1599 __swab32s (&nbr->len);
1600 __swab32s (&nbr->flags);
1603 void lustre_swab_ost_body (struct ost_body *b)
1605 lustre_swab_obdo (&b->oa);
1608 void lustre_swab_ost_last_id(obd_id *id)
1613 void lustre_swab_generic_32s(__u32 *val)
1618 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1620 __swab64s(&lvb->lvb_size);
1621 __swab64s(&lvb->lvb_mtime);
1622 __swab64s(&lvb->lvb_atime);
1623 __swab64s(&lvb->lvb_ctime);
1624 __swab64s(&lvb->lvb_blocks);
1627 void lustre_swab_mds_status_req (struct mds_status_req *r)
1629 __swab32s (&r->flags);
1630 __swab32s (&r->repbuf);
1633 void lustre_swab_mds_body (struct mds_body *b)
1635 lustre_swab_ll_fid (&b->fid1);
1636 lustre_swab_ll_fid (&b->fid2);
1637 /* handle is opaque */
1638 __swab64s (&b->valid);
1639 __swab64s (&b->size);
1640 __swab64s (&b->mtime);
1641 __swab64s (&b->atime);
1642 __swab64s (&b->ctime);
1643 __swab64s (&b->blocks);
1644 __swab64s (&b->io_epoch);
1645 __swab64s (&b->ino);
1646 __swab32s (&b->fsuid);
1647 __swab32s (&b->fsgid);
1648 __swab32s (&b->capability);
1649 __swab32s (&b->mode);
1650 __swab32s (&b->uid);
1651 __swab32s (&b->gid);
1652 __swab32s (&b->flags);
1653 __swab32s (&b->rdev);
1654 __swab32s (&b->nlink);
1655 __swab32s (&b->generation);
1656 __swab32s (&b->suppgid);
1657 __swab32s (&b->eadatasize);
1658 __swab32s (&b->aclsize);
1659 __swab32s (&b->max_mdsize);
1660 __swab32s (&b->max_cookiesize);
1661 __swab32s (&b->padding_4);
1664 void lustre_swab_mdt_body (struct mdt_body *b)
1666 lustre_swab_lu_fid (&b->fid1);
1667 lustre_swab_lu_fid (&b->fid2);
1668 /* handle is opaque */
1669 __swab64s (&b->valid);
1670 __swab64s (&b->size);
1671 __swab64s (&b->mtime);
1672 __swab64s (&b->atime);
1673 __swab64s (&b->ctime);
1674 __swab64s (&b->blocks);
1675 __swab64s (&b->ioepoch);
1676 __swab64s (&b->ino);
1677 __swab32s (&b->fsuid);
1678 __swab32s (&b->fsgid);
1679 __swab32s (&b->capability);
1680 __swab32s (&b->mode);
1681 __swab32s (&b->uid);
1682 __swab32s (&b->gid);
1683 __swab32s (&b->flags);
1684 __swab32s (&b->rdev);
1685 __swab32s (&b->nlink);
1686 __swab32s (&b->generation);
1687 __swab32s (&b->suppgid);
1688 __swab32s (&b->eadatasize);
1689 __swab32s (&b->aclsize);
1690 __swab32s (&b->max_mdsize);
1691 __swab32s (&b->max_cookiesize);
1692 __swab32s (&b->padding_4);
1695 void lustre_swab_mdt_epoch (struct mdt_epoch *b)
1697 /* handle is opaque */
1698 __swab64s (&b->ioepoch);
1699 __swab32s (&b->flags);
1700 CLASSERT(offsetof(typeof(*b), padding) != 0);
1703 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1706 __swab32s(&mti->mti_lustre_ver);
1707 __swab32s(&mti->mti_stripe_index);
1708 __swab32s(&mti->mti_config_ver);
1709 __swab32s(&mti->mti_flags);
1710 __swab32s(&mti->mti_nid_count);
1711 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1712 for (i = 0; i < MTI_NIDS_MAX; i++)
1713 __swab64s(&mti->mti_nids[i]);
1716 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1718 __swab64s (&i->dqi_bgrace);
1719 __swab64s (&i->dqi_igrace);
1720 __swab32s (&i->dqi_flags);
1721 __swab32s (&i->dqi_valid);
1724 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1726 __swab64s (&b->dqb_ihardlimit);
1727 __swab64s (&b->dqb_isoftlimit);
1728 __swab64s (&b->dqb_curinodes);
1729 __swab64s (&b->dqb_bhardlimit);
1730 __swab64s (&b->dqb_bsoftlimit);
1731 __swab64s (&b->dqb_curspace);
1732 __swab64s (&b->dqb_btime);
1733 __swab64s (&b->dqb_itime);
1734 __swab32s (&b->dqb_valid);
1735 CLASSERT(offsetof(typeof(*b), padding) != 0);
1738 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1740 __swab32s (&q->qc_cmd);
1741 __swab32s (&q->qc_type);
1742 __swab32s (&q->qc_id);
1743 __swab32s (&q->qc_stat);
1744 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1745 lustre_swab_obd_dqblk (&q->qc_dqblk);
1748 void lustre_swab_quota_adjust_qunit (struct quota_adjust_qunit *q)
1750 __swab32s (&q->qaq_flags);
1751 __swab32s (&q->qaq_id);
1752 __swab64s (&q->qaq_bunit_sz);
1753 __swab64s (&q->qaq_iunit_sz);
1754 __swab64s (&q->padding1);
1757 void lustre_swab_mds_remote_perm (struct mds_remote_perm *p)
1759 __swab32s (&p->rp_uid);
1760 __swab32s (&p->rp_gid);
1761 __swab32s (&p->rp_fsuid);
1762 __swab32s (&p->rp_fsgid);
1763 __swab32s (&p->rp_access_perm);
1766 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1768 __swab32s (&p->rp_uid);
1769 __swab32s (&p->rp_gid);
1770 __swab32s (&p->rp_fsuid);
1771 __swab32s (&p->rp_fsgid);
1772 __swab32s (&p->rp_access_perm);
1775 void lustre_swab_mds_rec_setattr (struct mds_rec_setattr *sa)
1777 __swab32s (&sa->sa_opcode);
1778 __swab32s (&sa->sa_fsuid);
1779 __swab32s (&sa->sa_fsgid);
1780 __swab32s (&sa->sa_cap);
1781 __swab32s (&sa->sa_suppgid);
1782 __swab32s (&sa->sa_mode);
1783 lustre_swab_ll_fid (&sa->sa_fid);
1784 __swab64s (&sa->sa_valid);
1785 __swab64s (&sa->sa_size);
1786 __swab64s (&sa->sa_mtime);
1787 __swab64s (&sa->sa_atime);
1788 __swab64s (&sa->sa_ctime);
1789 __swab32s (&sa->sa_uid);
1790 __swab32s (&sa->sa_gid);
1791 __swab32s (&sa->sa_attr_flags);
1792 CLASSERT(offsetof(typeof(*sa), sa_padding) != 0);
1795 void lustre_swab_mds_rec_join (struct mds_rec_join *jr)
1797 __swab64s(&jr->jr_headsize);
1798 lustre_swab_ll_fid(&jr->jr_fid);
1801 void lustre_swab_mdt_rec_join (struct mdt_rec_join *jr)
1803 __swab64s(&jr->jr_headsize);
1804 lustre_swab_lu_fid(&jr->jr_fid);
1807 void lustre_swab_mds_rec_create (struct mds_rec_create *cr)
1809 __swab32s (&cr->cr_opcode);
1810 __swab32s (&cr->cr_fsuid);
1811 __swab32s (&cr->cr_fsgid);
1812 __swab32s (&cr->cr_cap);
1813 __swab32s (&cr->cr_flags); /* for use with open */
1814 __swab32s (&cr->cr_mode);
1815 lustre_swab_ll_fid (&cr->cr_fid);
1816 lustre_swab_ll_fid (&cr->cr_replayfid);
1817 __swab64s (&cr->cr_time);
1818 __swab64s (&cr->cr_rdev);
1819 __swab32s (&cr->cr_suppgid);
1820 CLASSERT(offsetof(typeof(*cr), cr_padding_1) != 0);
1821 CLASSERT(offsetof(typeof(*cr), cr_padding_2) != 0);
1822 CLASSERT(offsetof(typeof(*cr), cr_padding_3) != 0);
1823 CLASSERT(offsetof(typeof(*cr), cr_padding_4) != 0);
1824 CLASSERT(offsetof(typeof(*cr), cr_padding_5) != 0);
1827 void lustre_swab_mds_rec_link (struct mds_rec_link *lk)
1829 __swab32s (&lk->lk_opcode);
1830 __swab32s (&lk->lk_fsuid);
1831 __swab32s (&lk->lk_fsgid);
1832 __swab32s (&lk->lk_cap);
1833 __swab32s (&lk->lk_suppgid1);
1834 __swab32s (&lk->lk_suppgid2);
1835 lustre_swab_ll_fid (&lk->lk_fid1);
1836 lustre_swab_ll_fid (&lk->lk_fid2);
1837 __swab64s (&lk->lk_time);
1838 CLASSERT(offsetof(typeof(*lk), lk_padding_1) != 0);
1839 CLASSERT(offsetof(typeof(*lk), lk_padding_2) != 0);
1840 CLASSERT(offsetof(typeof(*lk), lk_padding_3) != 0);
1841 CLASSERT(offsetof(typeof(*lk), lk_padding_4) != 0);
1844 void lustre_swab_mds_rec_unlink (struct mds_rec_unlink *ul)
1846 __swab32s (&ul->ul_opcode);
1847 __swab32s (&ul->ul_fsuid);
1848 __swab32s (&ul->ul_fsgid);
1849 __swab32s (&ul->ul_cap);
1850 __swab32s (&ul->ul_suppgid);
1851 __swab32s (&ul->ul_mode);
1852 lustre_swab_ll_fid (&ul->ul_fid1);
1853 lustre_swab_ll_fid (&ul->ul_fid2);
1854 __swab64s (&ul->ul_time);
1855 CLASSERT(offsetof(typeof(*ul), ul_padding_1) != 0);
1856 CLASSERT(offsetof(typeof(*ul), ul_padding_2) != 0);
1857 CLASSERT(offsetof(typeof(*ul), ul_padding_3) != 0);
1858 CLASSERT(offsetof(typeof(*ul), ul_padding_4) != 0);
1861 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1863 __swab64s(&fm_extent->fe_logical);
1864 __swab64s(&fm_extent->fe_physical);
1865 __swab64s(&fm_extent->fe_length);
1866 __swab32s(&fm_extent->fe_flags);
1867 __swab32s(&fm_extent->fe_device);
1870 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1874 __swab64s(&fiemap->fm_start);
1875 __swab64s(&fiemap->fm_length);
1876 __swab32s(&fiemap->fm_flags);
1877 __swab32s(&fiemap->fm_mapped_extents);
1878 __swab32s(&fiemap->fm_extent_count);
1879 __swab32s(&fiemap->fm_reserved);
1881 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1882 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1885 void lustre_swab_mds_rec_rename (struct mds_rec_rename *rn)
1887 __swab32s (&rn->rn_opcode);
1888 __swab32s (&rn->rn_fsuid);
1889 __swab32s (&rn->rn_fsgid);
1890 __swab32s (&rn->rn_cap);
1891 __swab32s (&rn->rn_suppgid1);
1892 __swab32s (&rn->rn_suppgid2);
1893 lustre_swab_ll_fid (&rn->rn_fid1);
1894 lustre_swab_ll_fid (&rn->rn_fid2);
1895 __swab64s (&rn->rn_time);
1896 CLASSERT(offsetof(typeof(*rn), rn_padding_1) != 0);
1897 CLASSERT(offsetof(typeof(*rn), rn_padding_2) != 0);
1898 CLASSERT(offsetof(typeof(*rn), rn_padding_3) != 0);
1899 CLASSERT(offsetof(typeof(*rn), rn_padding_4) != 0);
1902 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1904 __swab32s (&rr->rr_opcode);
1905 __swab32s (&rr->rr_cap);
1906 __swab32s (&rr->rr_fsuid);
1907 /* rr_fsuid_h is unused */
1908 __swab32s (&rr->rr_fsgid);
1909 /* rr_fsgid_h is unused */
1910 __swab32s (&rr->rr_suppgid1);
1911 /* rr_suppgid1_h is unused */
1912 __swab32s (&rr->rr_suppgid2);
1913 /* rr_suppgid2_h is unused */
1914 lustre_swab_lu_fid (&rr->rr_fid1);
1915 lustre_swab_lu_fid (&rr->rr_fid2);
1916 __swab64s (&rr->rr_mtime);
1917 __swab64s (&rr->rr_atime);
1918 __swab64s (&rr->rr_ctime);
1919 __swab64s (&rr->rr_size);
1920 __swab64s (&rr->rr_blocks);
1921 __swab32s (&rr->rr_bias);
1922 __swab32s (&rr->rr_mode);
1923 __swab32s (&rr->rr_padding_1);
1924 __swab32s (&rr->rr_padding_2);
1925 __swab32s (&rr->rr_padding_3);
1926 __swab32s (&rr->rr_padding_4);
1928 CLASSERT(offsetof(typeof(*rr), rr_padding_1) != 0);
1929 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
1930 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
1931 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1934 void lustre_swab_lov_desc (struct lov_desc *ld)
1936 __swab32s (&ld->ld_tgt_count);
1937 __swab32s (&ld->ld_active_tgt_count);
1938 __swab32s (&ld->ld_default_stripe_count);
1939 __swab64s (&ld->ld_default_stripe_size);
1940 __swab64s (&ld->ld_default_stripe_offset);
1941 __swab32s (&ld->ld_pattern);
1942 __swab32s (&ld->ld_qos_maxage);
1943 /* uuid endian insensitive */
1946 /*begin adding MDT by huanghua@clusterfs.com*/
1947 void lustre_swab_lmv_desc (struct lmv_desc *ld)
1949 __swab32s (&ld->ld_tgt_count);
1950 __swab32s (&ld->ld_active_tgt_count);
1951 /* uuid endian insensitive */
1953 /*end adding MDT by huanghua@clusterfs.com*/
1954 void lustre_swab_md_fld (struct md_fld *mf)
1956 __swab64s(&mf->mf_seq);
1957 __swab64s(&mf->mf_mds);
1960 static void print_lum (struct lov_user_md *lum)
1962 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
1963 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
1964 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
1965 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
1966 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_gr);
1967 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
1968 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
1969 CDEBUG(D_OTHER, "\tlmm_stripe_offset: %#x\n", lum->lmm_stripe_offset);
1972 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
1975 __swab32s(&lum->lmm_magic);
1976 __swab32s(&lum->lmm_pattern);
1977 __swab64s(&lum->lmm_object_id);
1978 __swab64s(&lum->lmm_object_gr);
1979 __swab32s(&lum->lmm_stripe_size);
1980 __swab16s(&lum->lmm_stripe_count);
1981 __swab16s(&lum->lmm_stripe_offset);
1986 static void print_lumj (struct lov_user_md_join *lumj)
1988 CDEBUG(D_OTHER, "lov_user_md %p:\n", lumj);
1989 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lumj->lmm_magic);
1990 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lumj->lmm_pattern);
1991 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lumj->lmm_object_id);
1992 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lumj->lmm_object_gr);
1993 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lumj->lmm_stripe_size);
1994 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lumj->lmm_stripe_count);
1995 CDEBUG(D_OTHER, "\tlmm_extent_count: %#x\n", lumj->lmm_extent_count);
1998 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2001 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2002 lustre_swab_lov_user_md_common(lum);
2006 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2009 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2010 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2011 /* lmm_pool_name nothing to do with char */
2015 void lustre_swab_lov_user_md_join(struct lov_user_md_join *lumj)
2018 CDEBUG(D_IOCTL, "swabbing lov_user_md_join\n");
2019 __swab32s(&lumj->lmm_magic);
2020 __swab32s(&lumj->lmm_pattern);
2021 __swab64s(&lumj->lmm_object_id);
2022 __swab64s(&lumj->lmm_object_gr);
2023 __swab32s(&lumj->lmm_stripe_size);
2024 __swab32s(&lumj->lmm_stripe_count);
2025 __swab32s(&lumj->lmm_extent_count);
2030 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2035 for (i = 0; i < stripe_count; i++) {
2036 __swab64s(&(lod[i].l_object_id));
2037 __swab64s(&(lod[i].l_object_gr));
2038 __swab32s(&(lod[i].l_ost_gen));
2039 __swab32s(&(lod[i].l_ost_idx));
2045 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2049 for (i = 0; i < RES_NAME_SIZE; i++)
2050 __swab64s (&id->name[i]);
2053 void lustre_swab_ldlm_policy_data (ldlm_policy_data_t *d)
2055 /* the lock data is a union and the first two fields are always an
2056 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2057 * data the same way. */
2058 __swab64s(&d->l_extent.start);
2059 __swab64s(&d->l_extent.end);
2060 __swab64s(&d->l_extent.gid);
2061 __swab32s(&d->l_flock.pid);
2064 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2066 __swab64s (&i->opc);
2069 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2071 __swab32s (&r->lr_type);
2072 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2073 lustre_swab_ldlm_res_id (&r->lr_name);
2076 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2078 lustre_swab_ldlm_resource_desc (&l->l_resource);
2079 __swab32s (&l->l_req_mode);
2080 __swab32s (&l->l_granted_mode);
2081 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2084 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2086 __swab32s (&rq->lock_flags);
2087 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2088 __swab32s (&rq->lock_count);
2089 /* lock_handle[] opaque */
2092 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2094 __swab32s (&r->lock_flags);
2095 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2096 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2097 /* lock_handle opaque */
2098 __swab64s (&r->lock_policy_res1);
2099 __swab64s (&r->lock_policy_res2);
2102 /* no one calls this */
2103 int llog_log_swabbed(struct llog_log_hdr *hdr)
2105 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
2107 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
2112 void lustre_swab_qdata(struct qunit_data *d)
2114 __swab32s (&d->qd_id);
2115 __swab32s (&d->qd_flags);
2116 __swab64s (&d->qd_count);
2117 __swab64s (&d->qd_qunit);
2118 __swab64s (&d->padding);
2124 * got qdata from request(req/rep)
2126 int quota_get_qdata(void *request, struct qunit_data *qdata,
2127 int is_req, int is_exp)
2129 struct ptlrpc_request *req = (struct ptlrpc_request *)request;
2130 struct qunit_data *new;
2131 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2132 req->rq_import->imp_connect_data.ocd_connect_flags;
2138 /* support for quota64 and change_qs */
2139 if (flags & OBD_CONNECT_CHANGE_QS) {
2140 if (!(flags & OBD_CONNECT_QUOTA64)) {
2141 CDEBUG(D_ERROR, "Wire protocol for qunit is broken!\n");
2144 if (is_req == QUOTA_REQUEST)
2145 new = lustre_swab_reqbuf(req, REQ_REC_OFF,
2146 sizeof(struct qunit_data),
2149 new = lustre_swab_repbuf(req, REPLY_REC_OFF,
2150 sizeof(struct qunit_data),
2153 GOTO(out, rc = -EPROTO);
2155 QDATA_SET_CHANGE_QS(qdata);
2158 QDATA_CLR_CHANGE_QS(qdata);
2164 EXPORT_SYMBOL(quota_get_qdata);
2167 * copy qdata to request(req/rep)
2169 int quota_copy_qdata(void *request, struct qunit_data *qdata,
2170 int is_req, int is_exp)
2172 struct ptlrpc_request *req = (struct ptlrpc_request *)request;
2174 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2175 req->rq_import->imp_connect_data.ocd_connect_flags;
2181 /* support for quota64 and change_qs */
2182 if (flags & OBD_CONNECT_CHANGE_QS) {
2183 if (!(flags & OBD_CONNECT_QUOTA64)) {
2184 CERROR("Wire protocol for qunit is broken!\n");
2187 if (is_req == QUOTA_REQUEST)
2188 target = lustre_msg_buf(req->rq_reqmsg, REQ_REC_OFF,
2189 sizeof(struct qunit_data));
2191 target = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
2192 sizeof(struct qunit_data));
2194 GOTO(out, rc = -EPROTO);
2195 memcpy(target, qdata, sizeof(*qdata));
2202 EXPORT_SYMBOL(quota_copy_qdata);
2203 #endif /* __KERNEL__ */
2205 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2207 LASSERT(req->rq_reqmsg);
2209 switch (req->rq_reqmsg->lm_magic) {
2210 case LUSTRE_MSG_MAGIC_V2:
2211 case LUSTRE_MSG_MAGIC_V2_SWABBED:
2212 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2214 CERROR("bad lustre msg magic: %#08X\n",
2215 req->rq_reqmsg->lm_magic);
2220 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2222 LASSERT(req->rq_repmsg);
2224 switch (req->rq_repmsg->lm_magic) {
2225 case LUSTRE_MSG_MAGIC_V2:
2226 case LUSTRE_MSG_MAGIC_V2_SWABBED:
2227 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2229 /* uninitialized yet */
2234 void _debug_req(struct ptlrpc_request *req, __u32 mask,
2235 struct libcfs_debug_msg_data *data, const char *fmt, ... )
2239 va_start(args, fmt);
2240 libcfs_debug_vmsg2(data->msg_cdls, data->msg_subsys, mask, data->msg_file,
2241 data->msg_fn, data->msg_line, fmt, args,
2242 " req@%p x"LPD64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2243 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2244 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2245 req, req->rq_xid, req->rq_transno,
2246 req->rq_reqmsg ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2247 req->rq_reqmsg ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2248 req->rq_import ? obd2cli_tgt(req->rq_import->imp_obd) :
2250 (char*)req->rq_export->exp_client_uuid.uuid : "<?>",
2252 (char *)req->rq_import->imp_connection->c_remote_uuid.uuid :
2254 (char *)req->rq_export->exp_connection->c_remote_uuid.uuid : "<?>",
2255 req->rq_request_portal, req->rq_reply_portal,
2256 req->rq_reqlen, req->rq_replen,
2257 req->rq_early_count, !!req->rq_timeout, req->rq_deadline,
2258 atomic_read(&req->rq_refcount), DEBUG_REQ_FLAGS(req),
2259 req->rq_reqmsg && req_ptlrpc_body_swabbed(req) ?
2260 lustre_msg_get_flags(req->rq_reqmsg) : -1,
2261 req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
2262 lustre_msg_get_flags(req->rq_repmsg) : -1,
2264 req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
2265 lustre_msg_get_status(req->rq_repmsg) : -1);
2267 EXPORT_SYMBOL(_debug_req);
2269 void lustre_swab_lustre_capa(struct lustre_capa *c)
2271 lustre_swab_lu_fid(&c->lc_fid);
2272 __swab64s (&c->lc_opc);
2273 __swab64s (&c->lc_uid);
2274 __swab64s (&c->lc_gid);
2275 __swab32s (&c->lc_flags);
2276 __swab32s (&c->lc_keyid);
2277 __swab32s (&c->lc_timeout);
2278 __swab32s (&c->lc_expiry);
2281 void lustre_swab_lustre_capa_key (struct lustre_capa_key *k)
2283 __swab64s (&k->lk_mdsid);
2284 __swab32s (&k->lk_keyid);
2285 __swab32s (&k->lk_padding);