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);
323 CFS_INIT_LIST_HEAD(&rs->rs_list);
324 spin_lock_init(&rs->rs_lock);
326 req->rq_replen = msg_len;
327 req->rq_reply_state = rs;
328 req->rq_repmsg = rs->rs_msg;
330 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
331 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
332 lustre_set_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
334 PTLRPC_RS_DEBUG_LRU_ADD(rs);
338 EXPORT_SYMBOL(lustre_pack_reply_v2);
340 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
341 char **bufs, int flags)
344 __u32 size[] = { sizeof(struct ptlrpc_body) };
352 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
354 switch (req->rq_reqmsg->lm_magic) {
355 case LUSTRE_MSG_MAGIC_V2:
356 case LUSTRE_MSG_MAGIC_V2_SWABBED:
357 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
360 LASSERTF(0, "incorrect message magic: %08x\n",
361 req->rq_reqmsg->lm_magic);
365 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
366 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
370 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
373 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
376 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
378 int i, offset, buflen, bufcount;
383 bufcount = m->lm_bufcount;
384 if (unlikely(n >= bufcount)) {
385 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
390 buflen = m->lm_buflens[n];
391 if (unlikely(buflen < min_size)) {
392 CERROR("msg %p buffer[%d] size %d too small "
393 "(required %d, opc=%d)\n",
394 m, n, buflen, min_size, lustre_msg_get_opc(m));
398 offset = lustre_msg_hdr_size_v2(bufcount);
399 for (i = 0; i < n; i++)
400 offset += size_round(m->lm_buflens[i]);
402 return (char *)m + offset;
405 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
407 switch (m->lm_magic) {
408 case LUSTRE_MSG_MAGIC_V2:
409 case LUSTRE_MSG_MAGIC_V2_SWABBED:
410 return lustre_msg_buf_v2(m, n, min_size);
412 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
417 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
418 unsigned int newlen, int move_data)
420 char *tail = NULL, *newpos;
424 LASSERT(msg->lm_bufcount > segment);
425 LASSERT(msg->lm_buflens[segment] >= newlen);
427 if (msg->lm_buflens[segment] == newlen)
430 if (move_data && msg->lm_bufcount > segment + 1) {
431 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
432 for (n = segment + 1; n < msg->lm_bufcount; n++)
433 tail_len += size_round(msg->lm_buflens[n]);
436 msg->lm_buflens[segment] = newlen;
438 if (tail && tail_len) {
439 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
440 LASSERT(newpos <= tail);
442 memcpy(newpos, tail, tail_len);
445 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
449 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
450 * we also move data forward from @segment + 1.
452 * if @newlen == 0, we remove the segment completely, but we still keep the
453 * totally bufcount the same to save possible data moving. this will leave a
454 * unused segment with size 0 at the tail, but that's ok.
456 * return new msg size after shrinking.
459 * + if any buffers higher than @segment has been filled in, must call shrink
460 * with non-zero @move_data.
461 * + caller should NOT keep pointers to msg buffers which higher than @segment
464 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
465 unsigned int newlen, int move_data)
467 switch (msg->lm_magic) {
468 case LUSTRE_MSG_MAGIC_V2:
469 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
471 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
475 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
477 PTLRPC_RS_DEBUG_LRU_DEL(rs);
479 LASSERT (atomic_read(&rs->rs_refcount) == 0);
480 LASSERT (!rs->rs_difficult || rs->rs_handled);
481 LASSERT (!rs->rs_on_net);
482 LASSERT (!rs->rs_scheduled);
483 LASSERT (rs->rs_export == NULL);
484 LASSERT (rs->rs_nlocks == 0);
485 LASSERT (list_empty(&rs->rs_exp_list));
486 LASSERT (list_empty(&rs->rs_obd_list));
488 sptlrpc_svc_free_rs(rs);
491 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
493 int flipped, required_len, i;
495 /* Now we know the sender speaks my language. */
496 required_len = lustre_msg_hdr_size_v2(0);
497 if (len < required_len) {
498 /* can't even look inside the message */
499 CERROR("message length %d too small for lustre_msg\n", len);
503 flipped = lustre_msg_swabbed(m);
506 __swab32s(&m->lm_bufcount);
507 __swab32s(&m->lm_secflvr);
508 __swab32s(&m->lm_repsize);
509 __swab32s(&m->lm_cksum);
510 __swab32s(&m->lm_flags);
511 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
512 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
515 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
516 if (len < required_len) {
517 /* didn't receive all the buffer lengths */
518 CERROR ("message length %d too small for %d buflens\n",
519 len, m->lm_bufcount);
523 for (i = 0; i < m->lm_bufcount; i++) {
525 __swab32s(&m->lm_buflens[i]);
526 required_len += size_round(m->lm_buflens[i]);
529 if (len < required_len) {
530 CERROR("len: %d, required_len %d\n", len, required_len);
531 CERROR("bufcount: %d\n", m->lm_bufcount);
532 for (i = 0; i < m->lm_bufcount; i++)
533 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
540 int lustre_unpack_msg(struct lustre_msg *m, int len)
542 int required_len, rc;
545 /* We can provide a slightly better error log, if we check the
546 * message magic and version first. In the future, struct
547 * lustre_msg may grow, and we'd like to log a version mismatch,
548 * rather than a short message.
551 required_len = offsetof(struct lustre_msg, lm_magic) +
553 if (len < required_len) {
554 /* can't even look inside the message */
555 CERROR("message length %d too small for magic/version check\n",
560 switch (m->lm_magic) {
561 case LUSTRE_MSG_MAGIC_V2:
562 case LUSTRE_MSG_MAGIC_V2_SWABBED:
563 rc = lustre_unpack_msg_v2(m, len);
566 CERROR("bad lustre msg magic: %#08X\n", m->lm_magic);
573 static inline int lustre_unpack_ptlrpc_body_v2(struct lustre_msg_v2 *m,
576 struct ptlrpc_body *pb;
578 pb = lustre_msg_buf_v2(m, offset, sizeof(*pb));
580 CERROR("error unpacking ptlrpc body\n");
583 if (lustre_msg_swabbed(m))
584 lustre_swab_ptlrpc_body(pb);
586 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
587 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
594 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
596 switch (req->rq_reqmsg->lm_magic) {
597 case LUSTRE_MSG_MAGIC_V2:
598 case LUSTRE_MSG_MAGIC_V2_SWABBED:
599 lustre_set_req_swabbed(req, offset);
600 return lustre_unpack_ptlrpc_body_v2(req->rq_reqmsg, offset);
602 CERROR("bad lustre msg magic: %#08X\n",
603 req->rq_reqmsg->lm_magic);
608 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
610 switch (req->rq_repmsg->lm_magic) {
611 case LUSTRE_MSG_MAGIC_V2:
612 case LUSTRE_MSG_MAGIC_V2_SWABBED:
613 lustre_set_rep_swabbed(req, offset);
614 return lustre_unpack_ptlrpc_body_v2(req->rq_repmsg, offset);
616 CERROR("bad lustre msg magic: %#08X\n",
617 req->rq_repmsg->lm_magic);
622 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
624 if (n >= m->lm_bufcount)
627 return m->lm_buflens[n];
631 * lustre_msg_buflen - return the length of buffer @n in message @m
632 * @m - lustre_msg (request or reply) to look at
633 * @n - message index (base 0)
635 * returns zero for non-existent message indices
637 int lustre_msg_buflen(struct lustre_msg *m, int n)
639 switch (m->lm_magic) {
640 case LUSTRE_MSG_MAGIC_V2:
641 case LUSTRE_MSG_MAGIC_V2_SWABBED:
642 return lustre_msg_buflen_v2(m, n);
644 CERROR("incorrect message magic: %08x\n", m->lm_magic);
648 EXPORT_SYMBOL(lustre_msg_buflen);
651 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
653 if (n >= m->lm_bufcount)
656 m->lm_buflens[n] = len;
659 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
661 switch (m->lm_magic) {
662 case LUSTRE_MSG_MAGIC_V2:
663 lustre_msg_set_buflen_v2(m, n, len);
666 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
670 EXPORT_SYMBOL(lustre_msg_set_buflen);
672 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
673 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
674 int lustre_msg_bufcount(struct lustre_msg *m)
676 switch (m->lm_magic) {
677 case LUSTRE_MSG_MAGIC_V2:
678 case LUSTRE_MSG_MAGIC_V2_SWABBED:
679 return m->lm_bufcount;
681 CERROR("incorrect message magic: %08x\n", m->lm_magic);
685 EXPORT_SYMBOL(lustre_msg_bufcount);
687 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
689 /* max_len == 0 means the string should fill the buffer */
693 switch (m->lm_magic) {
694 case LUSTRE_MSG_MAGIC_V2:
695 case LUSTRE_MSG_MAGIC_V2_SWABBED:
696 str = lustre_msg_buf_v2(m, index, 0);
697 blen = lustre_msg_buflen_v2(m, index);
700 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
704 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
708 slen = strnlen(str, blen);
710 if (slen == blen) { /* not NULL terminated */
711 CERROR("can't unpack non-NULL terminated string in "
712 "msg %p buffer[%d] len %d\n", m, index, blen);
717 if (slen != blen - 1) {
718 CERROR("can't unpack short string in msg %p "
719 "buffer[%d] len %d: strlen %d\n",
720 m, index, blen, slen);
723 } else if (slen > max_len) {
724 CERROR("can't unpack oversized string in msg %p "
725 "buffer[%d] len %d strlen %d: max %d expected\n",
726 m, index, blen, slen, max_len);
733 /* Wrap up the normal fixed length cases */
734 void *lustre_swab_buf(struct lustre_msg *msg, int index, int min_size,
739 LASSERT(msg != NULL);
740 switch (msg->lm_magic) {
741 case LUSTRE_MSG_MAGIC_V2:
742 case LUSTRE_MSG_MAGIC_V2_SWABBED:
743 ptr = lustre_msg_buf_v2(msg, index, min_size);
746 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
751 if (swabber != NULL && lustre_msg_swabbed(msg))
752 ((void (*)(void *))swabber)(ptr);
757 void *lustre_swab_reqbuf(struct ptlrpc_request *req, int index, int min_size,
760 if (lustre_req_swabbed(req, index))
761 return lustre_msg_buf(req->rq_reqmsg, index, min_size);
763 lustre_set_req_swabbed(req, index);
764 return lustre_swab_buf(req->rq_reqmsg, index, min_size, swabber);
767 void *lustre_swab_repbuf(struct ptlrpc_request *req, int index, int min_size,
770 if (lustre_rep_swabbed(req, index))
771 return lustre_msg_buf(req->rq_repmsg, index, min_size);
773 lustre_set_rep_swabbed(req, index);
774 return lustre_swab_buf(req->rq_repmsg, index, min_size, swabber);
777 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
779 switch (msg->lm_magic) {
780 case LUSTRE_MSG_MAGIC_V1:
781 case LUSTRE_MSG_MAGIC_V1_SWABBED:
783 case LUSTRE_MSG_MAGIC_V2:
784 case LUSTRE_MSG_MAGIC_V2_SWABBED:
785 /* already in host endian */
786 return msg->lm_flags;
788 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
792 EXPORT_SYMBOL(lustre_msghdr_get_flags);
794 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
796 switch (msg->lm_magic) {
797 case LUSTRE_MSG_MAGIC_V1:
799 case LUSTRE_MSG_MAGIC_V2:
800 msg->lm_flags = flags;
803 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
807 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
809 switch (msg->lm_magic) {
810 case LUSTRE_MSG_MAGIC_V2:
811 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
812 struct ptlrpc_body *pb;
814 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
816 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
822 /* flags might be printed in debug code while message
828 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
830 switch (msg->lm_magic) {
831 case LUSTRE_MSG_MAGIC_V2: {
832 struct ptlrpc_body *pb;
834 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
835 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
836 pb->pb_flags |= flags;
840 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
844 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
846 switch (msg->lm_magic) {
847 case LUSTRE_MSG_MAGIC_V2: {
848 struct ptlrpc_body *pb;
850 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
851 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
852 pb->pb_flags = flags;
856 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
860 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
862 switch (msg->lm_magic) {
863 case LUSTRE_MSG_MAGIC_V2:
864 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
865 struct ptlrpc_body *pb;
867 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
868 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
869 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
873 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
877 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
879 switch (msg->lm_magic) {
880 case LUSTRE_MSG_MAGIC_V2:
881 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
882 struct ptlrpc_body *pb;
884 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
886 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
889 return pb->pb_op_flags;
896 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
898 switch (msg->lm_magic) {
899 case LUSTRE_MSG_MAGIC_V2: {
900 struct ptlrpc_body *pb;
902 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
903 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
904 pb->pb_op_flags |= flags;
908 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
912 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
914 switch (msg->lm_magic) {
915 case LUSTRE_MSG_MAGIC_V2: {
916 struct ptlrpc_body *pb;
918 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
919 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
920 pb->pb_op_flags |= flags;
924 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
928 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
930 switch (msg->lm_magic) {
931 case LUSTRE_MSG_MAGIC_V2:
932 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
933 struct ptlrpc_body *pb;
935 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
937 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
940 return &pb->pb_handle;
943 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
948 __u32 lustre_msg_get_type(struct lustre_msg *msg)
950 switch (msg->lm_magic) {
951 case LUSTRE_MSG_MAGIC_V2:
952 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
953 struct ptlrpc_body *pb;
955 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
957 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
958 return PTL_RPC_MSG_ERR;
963 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
964 return PTL_RPC_MSG_ERR;
968 __u32 lustre_msg_get_version(struct lustre_msg *msg)
970 switch (msg->lm_magic) {
971 case LUSTRE_MSG_MAGIC_V2:
972 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
973 struct ptlrpc_body *pb;
975 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
977 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
980 return pb->pb_version;
983 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
988 void lustre_msg_add_version(struct lustre_msg *msg, int version)
990 switch (msg->lm_magic) {
991 case LUSTRE_MSG_MAGIC_V2:
992 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
993 struct ptlrpc_body *pb;
995 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
996 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
997 pb->pb_version |= version;
1001 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1005 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1007 switch (msg->lm_magic) {
1008 case LUSTRE_MSG_MAGIC_V2:
1009 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1010 struct ptlrpc_body *pb;
1012 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1014 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1020 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1025 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1027 switch (msg->lm_magic) {
1028 case LUSTRE_MSG_MAGIC_V2:
1029 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1030 struct ptlrpc_body *pb;
1032 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1034 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1037 return pb->pb_last_xid;
1040 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1045 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1047 switch (msg->lm_magic) {
1048 case LUSTRE_MSG_MAGIC_V2:
1049 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1050 struct ptlrpc_body *pb;
1052 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1054 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1057 return pb->pb_last_committed;
1060 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1065 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1067 switch (msg->lm_magic) {
1068 case LUSTRE_MSG_MAGIC_V2:
1069 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1070 struct ptlrpc_body *pb;
1072 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1074 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1077 return pb->pb_transno;
1080 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1085 int lustre_msg_get_status(struct lustre_msg *msg)
1087 switch (msg->lm_magic) {
1088 case LUSTRE_MSG_MAGIC_V2:
1089 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1090 struct ptlrpc_body *pb;
1092 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1094 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1097 return pb->pb_status;
1100 /* status might be printed in debug code while message
1106 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1108 switch (msg->lm_magic) {
1109 case LUSTRE_MSG_MAGIC_V2:
1110 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1111 struct ptlrpc_body *pb;
1113 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1115 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1121 CERROR("invalid msg magic %x\n", msg->lm_magic);
1127 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1129 switch (msg->lm_magic) {
1130 case LUSTRE_MSG_MAGIC_V2:
1131 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1132 struct ptlrpc_body *pb;
1134 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1136 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1143 CERROR("invalid msg magic %x\n", msg->lm_magic);
1148 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1150 switch (msg->lm_magic) {
1151 case LUSTRE_MSG_MAGIC_V2:
1152 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1153 struct ptlrpc_body *pb;
1155 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1157 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1160 return pb->pb_limit;
1163 CERROR("invalid msg magic %x\n", msg->lm_magic);
1169 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1171 switch (msg->lm_magic) {
1172 case LUSTRE_MSG_MAGIC_V2:
1173 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1174 struct ptlrpc_body *pb;
1176 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1178 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1181 pb->pb_limit = limit;
1185 CERROR("invalid msg magic %x\n", msg->lm_magic);
1190 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1192 switch (msg->lm_magic) {
1193 case LUSTRE_MSG_MAGIC_V2:
1194 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1195 struct ptlrpc_body *pb;
1197 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1199 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1202 return pb->pb_conn_cnt;
1205 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1210 int lustre_msg_is_v1(struct lustre_msg *msg)
1212 switch (msg->lm_magic) {
1213 case LUSTRE_MSG_MAGIC_V1:
1214 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1221 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1223 switch (msg->lm_magic) {
1224 case LUSTRE_MSG_MAGIC_V2:
1225 case LUSTRE_MSG_MAGIC_V2_SWABBED:
1226 return msg->lm_magic;
1228 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1233 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1235 switch (msg->lm_magic) {
1236 case LUSTRE_MSG_MAGIC_V1:
1237 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1239 case LUSTRE_MSG_MAGIC_V2:
1240 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1241 struct ptlrpc_body *pb;
1243 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1245 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1249 return pb->pb_timeout;
1252 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1257 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1259 switch (msg->lm_magic) {
1260 case LUSTRE_MSG_MAGIC_V1:
1261 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1263 case LUSTRE_MSG_MAGIC_V2:
1264 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1265 struct ptlrpc_body *pb;
1267 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1269 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1273 return pb->pb_service_time;
1276 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1281 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1283 switch (msg->lm_magic) {
1284 case LUSTRE_MSG_MAGIC_V1:
1285 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1287 case LUSTRE_MSG_MAGIC_V2:
1288 case LUSTRE_MSG_MAGIC_V2_SWABBED:
1289 return msg->lm_cksum;
1291 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1296 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1298 switch (msg->lm_magic) {
1299 case LUSTRE_MSG_MAGIC_V1:
1300 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1302 case LUSTRE_MSG_MAGIC_V2:
1303 case LUSTRE_MSG_MAGIC_V2_SWABBED: {
1304 struct ptlrpc_body *pb;
1305 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1306 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1307 return crc32_le(~(__u32)0, (unsigned char *)pb, sizeof(*pb));
1310 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1315 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1317 switch (msg->lm_magic) {
1318 case LUSTRE_MSG_MAGIC_V2: {
1319 struct ptlrpc_body *pb;
1321 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1322 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1323 pb->pb_handle = *handle;
1327 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1331 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1333 switch (msg->lm_magic) {
1334 case LUSTRE_MSG_MAGIC_V2: {
1335 struct ptlrpc_body *pb;
1337 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1338 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1343 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1347 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1349 switch (msg->lm_magic) {
1350 case LUSTRE_MSG_MAGIC_V2: {
1351 struct ptlrpc_body *pb;
1353 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1354 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1359 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1363 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1365 switch (msg->lm_magic) {
1366 case LUSTRE_MSG_MAGIC_V2: {
1367 struct ptlrpc_body *pb;
1369 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1370 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1371 pb->pb_last_xid = last_xid;
1375 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1379 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1381 switch (msg->lm_magic) {
1382 case LUSTRE_MSG_MAGIC_V2: {
1383 struct ptlrpc_body *pb;
1385 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1386 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1387 pb->pb_last_committed = last_committed;
1391 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1395 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1397 switch (msg->lm_magic) {
1398 case LUSTRE_MSG_MAGIC_V2: {
1399 struct ptlrpc_body *pb;
1401 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1402 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1403 pb->pb_transno = transno;
1407 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1411 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1413 switch (msg->lm_magic) {
1414 case LUSTRE_MSG_MAGIC_V2: {
1415 struct ptlrpc_body *pb;
1417 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1418 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1419 pb->pb_status = status;
1423 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1427 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1429 switch (msg->lm_magic) {
1430 case LUSTRE_MSG_MAGIC_V2: {
1431 struct ptlrpc_body *pb;
1433 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1434 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1435 pb->pb_conn_cnt = conn_cnt;
1439 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1443 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1445 switch (msg->lm_magic) {
1446 case LUSTRE_MSG_MAGIC_V1:
1448 case LUSTRE_MSG_MAGIC_V2: {
1449 struct ptlrpc_body *pb;
1451 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1452 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1453 pb->pb_timeout = timeout;
1457 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1461 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1463 switch (msg->lm_magic) {
1464 case LUSTRE_MSG_MAGIC_V1:
1466 case LUSTRE_MSG_MAGIC_V2: {
1467 struct ptlrpc_body *pb;
1469 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(*pb));
1470 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1471 pb->pb_service_time = service_time;
1475 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1479 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1481 switch (msg->lm_magic) {
1482 case LUSTRE_MSG_MAGIC_V1:
1484 case LUSTRE_MSG_MAGIC_V2:
1485 msg->lm_cksum = cksum;
1488 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1493 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1495 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1497 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1498 req->rq_pill.rc_area[RCL_SERVER]);
1499 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1500 req->rq_reqmsg->lm_repsize = req->rq_replen;
1503 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1505 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1506 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1507 req->rq_reqmsg->lm_repsize = req->rq_replen;
1510 /* byte flipping routines for all wire types declared in
1511 * lustre_idl.h implemented here.
1513 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1515 __swab32s (&b->pb_type);
1516 __swab32s (&b->pb_version);
1517 __swab32s (&b->pb_opc);
1518 __swab32s (&b->pb_status);
1519 __swab64s (&b->pb_last_xid);
1520 __swab64s (&b->pb_last_seen);
1521 __swab64s (&b->pb_last_committed);
1522 __swab64s (&b->pb_transno);
1523 __swab32s (&b->pb_flags);
1524 __swab32s (&b->pb_op_flags);
1525 __swab32s (&b->pb_conn_cnt);
1526 __swab32s (&b->pb_timeout);
1527 __swab32s (&b->pb_service_time);
1528 __swab32s (&b->pb_limit);
1529 __swab64s (&b->pb_slv);
1530 __swab64s (&b->pb_pre_versions[0]);
1531 __swab64s (&b->pb_pre_versions[1]);
1532 __swab64s (&b->pb_pre_versions[2]);
1533 __swab64s (&b->pb_pre_versions[3]);
1534 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1537 void lustre_swab_connect(struct obd_connect_data *ocd)
1539 __swab64s(&ocd->ocd_connect_flags);
1540 __swab32s(&ocd->ocd_version);
1541 __swab32s(&ocd->ocd_grant);
1542 __swab64s(&ocd->ocd_ibits_known);
1543 __swab32s(&ocd->ocd_index);
1544 __swab32s(&ocd->ocd_brw_size);
1545 __swab32s(&ocd->ocd_nllu);
1546 __swab32s(&ocd->ocd_nllg);
1547 __swab64s(&ocd->ocd_transno);
1548 __swab32s(&ocd->ocd_group);
1549 __swab32s(&ocd->ocd_cksum_types);
1550 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1551 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1554 void lustre_swab_obdo (struct obdo *o)
1556 __swab64s (&o->o_valid);
1557 __swab64s (&o->o_id);
1558 __swab64s (&o->o_gr);
1559 __swab64s (&o->o_fid);
1560 __swab64s (&o->o_size);
1561 __swab64s (&o->o_mtime);
1562 __swab64s (&o->o_atime);
1563 __swab64s (&o->o_ctime);
1564 __swab64s (&o->o_blocks);
1565 __swab64s (&o->o_grant);
1566 __swab32s (&o->o_blksize);
1567 __swab32s (&o->o_mode);
1568 __swab32s (&o->o_uid);
1569 __swab32s (&o->o_gid);
1570 __swab32s (&o->o_flags);
1571 __swab32s (&o->o_nlink);
1572 __swab32s (&o->o_generation);
1573 __swab32s (&o->o_misc);
1574 __swab32s (&o->o_easize);
1575 __swab32s (&o->o_mds);
1576 __swab32s (&o->o_stripe_idx);
1577 __swab32s (&o->o_padding_1);
1578 /* o_inline is opaque */
1581 void lustre_swab_obd_statfs (struct obd_statfs *os)
1583 __swab64s (&os->os_type);
1584 __swab64s (&os->os_blocks);
1585 __swab64s (&os->os_bfree);
1586 __swab64s (&os->os_bavail);
1587 __swab64s (&os->os_files);
1588 __swab64s (&os->os_ffree);
1589 /* no need to swab os_fsid */
1590 __swab32s (&os->os_bsize);
1591 __swab32s (&os->os_namelen);
1592 __swab64s (&os->os_maxbytes);
1593 __swab32s (&os->os_state);
1594 /* no need to swap os_spare */
1597 void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
1599 __swab64s (&ioo->ioo_id);
1600 __swab64s (&ioo->ioo_gr);
1601 __swab32s (&ioo->ioo_type);
1602 __swab32s (&ioo->ioo_bufcnt);
1605 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1607 __swab64s (&nbr->offset);
1608 __swab32s (&nbr->len);
1609 __swab32s (&nbr->flags);
1612 void lustre_swab_ost_body (struct ost_body *b)
1614 lustre_swab_obdo (&b->oa);
1617 void lustre_swab_ost_last_id(obd_id *id)
1622 void lustre_swab_generic_32s(__u32 *val)
1627 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1629 __swab64s(&lvb->lvb_size);
1630 __swab64s(&lvb->lvb_mtime);
1631 __swab64s(&lvb->lvb_atime);
1632 __swab64s(&lvb->lvb_ctime);
1633 __swab64s(&lvb->lvb_blocks);
1636 void lustre_swab_mds_status_req (struct mds_status_req *r)
1638 __swab32s (&r->flags);
1639 __swab32s (&r->repbuf);
1642 void lustre_swab_mds_body (struct mds_body *b)
1644 lustre_swab_ll_fid (&b->fid1);
1645 lustre_swab_ll_fid (&b->fid2);
1646 /* handle is opaque */
1647 __swab64s (&b->valid);
1648 __swab64s (&b->size);
1649 __swab64s (&b->mtime);
1650 __swab64s (&b->atime);
1651 __swab64s (&b->ctime);
1652 __swab64s (&b->blocks);
1653 __swab64s (&b->io_epoch);
1654 __swab64s (&b->ino);
1655 __swab32s (&b->fsuid);
1656 __swab32s (&b->fsgid);
1657 __swab32s (&b->capability);
1658 __swab32s (&b->mode);
1659 __swab32s (&b->uid);
1660 __swab32s (&b->gid);
1661 __swab32s (&b->flags);
1662 __swab32s (&b->rdev);
1663 __swab32s (&b->nlink);
1664 __swab32s (&b->generation);
1665 __swab32s (&b->suppgid);
1666 __swab32s (&b->eadatasize);
1667 __swab32s (&b->aclsize);
1668 __swab32s (&b->max_mdsize);
1669 __swab32s (&b->max_cookiesize);
1670 __swab32s (&b->padding_4);
1673 void lustre_swab_mdt_body (struct mdt_body *b)
1675 lustre_swab_lu_fid (&b->fid1);
1676 lustre_swab_lu_fid (&b->fid2);
1677 /* handle is opaque */
1678 __swab64s (&b->valid);
1679 __swab64s (&b->size);
1680 __swab64s (&b->mtime);
1681 __swab64s (&b->atime);
1682 __swab64s (&b->ctime);
1683 __swab64s (&b->blocks);
1684 __swab64s (&b->ioepoch);
1685 __swab64s (&b->ino);
1686 __swab32s (&b->fsuid);
1687 __swab32s (&b->fsgid);
1688 __swab32s (&b->capability);
1689 __swab32s (&b->mode);
1690 __swab32s (&b->uid);
1691 __swab32s (&b->gid);
1692 __swab32s (&b->flags);
1693 __swab32s (&b->rdev);
1694 __swab32s (&b->nlink);
1695 __swab32s (&b->generation);
1696 __swab32s (&b->suppgid);
1697 __swab32s (&b->eadatasize);
1698 __swab32s (&b->aclsize);
1699 __swab32s (&b->max_mdsize);
1700 __swab32s (&b->max_cookiesize);
1701 __swab32s (&b->padding_4);
1704 void lustre_swab_mdt_epoch (struct mdt_epoch *b)
1706 /* handle is opaque */
1707 __swab64s (&b->ioepoch);
1708 __swab32s (&b->flags);
1709 CLASSERT(offsetof(typeof(*b), padding) != 0);
1712 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1715 __swab32s(&mti->mti_lustre_ver);
1716 __swab32s(&mti->mti_stripe_index);
1717 __swab32s(&mti->mti_config_ver);
1718 __swab32s(&mti->mti_flags);
1719 __swab32s(&mti->mti_nid_count);
1720 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1721 for (i = 0; i < MTI_NIDS_MAX; i++)
1722 __swab64s(&mti->mti_nids[i]);
1725 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1727 __swab64s (&i->dqi_bgrace);
1728 __swab64s (&i->dqi_igrace);
1729 __swab32s (&i->dqi_flags);
1730 __swab32s (&i->dqi_valid);
1733 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1735 __swab64s (&b->dqb_ihardlimit);
1736 __swab64s (&b->dqb_isoftlimit);
1737 __swab64s (&b->dqb_curinodes);
1738 __swab64s (&b->dqb_bhardlimit);
1739 __swab64s (&b->dqb_bsoftlimit);
1740 __swab64s (&b->dqb_curspace);
1741 __swab64s (&b->dqb_btime);
1742 __swab64s (&b->dqb_itime);
1743 __swab32s (&b->dqb_valid);
1744 CLASSERT(offsetof(typeof(*b), padding) != 0);
1747 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1749 __swab32s (&q->qc_cmd);
1750 __swab32s (&q->qc_type);
1751 __swab32s (&q->qc_id);
1752 __swab32s (&q->qc_stat);
1753 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1754 lustre_swab_obd_dqblk (&q->qc_dqblk);
1757 void lustre_swab_quota_adjust_qunit (struct quota_adjust_qunit *q)
1759 __swab32s (&q->qaq_flags);
1760 __swab32s (&q->qaq_id);
1761 __swab64s (&q->qaq_bunit_sz);
1762 __swab64s (&q->qaq_iunit_sz);
1763 __swab64s (&q->padding1);
1766 void lustre_swab_mds_remote_perm (struct mds_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_mdt_remote_perm (struct mdt_remote_perm *p)
1777 __swab32s (&p->rp_uid);
1778 __swab32s (&p->rp_gid);
1779 __swab32s (&p->rp_fsuid);
1780 __swab32s (&p->rp_fsgid);
1781 __swab32s (&p->rp_access_perm);
1784 void lustre_swab_mds_rec_setattr (struct mds_rec_setattr *sa)
1786 __swab32s (&sa->sa_opcode);
1787 __swab32s (&sa->sa_fsuid);
1788 __swab32s (&sa->sa_fsgid);
1789 __swab32s (&sa->sa_cap);
1790 __swab32s (&sa->sa_suppgid);
1791 __swab32s (&sa->sa_mode);
1792 lustre_swab_ll_fid (&sa->sa_fid);
1793 __swab64s (&sa->sa_valid);
1794 __swab64s (&sa->sa_size);
1795 __swab64s (&sa->sa_mtime);
1796 __swab64s (&sa->sa_atime);
1797 __swab64s (&sa->sa_ctime);
1798 __swab32s (&sa->sa_uid);
1799 __swab32s (&sa->sa_gid);
1800 __swab32s (&sa->sa_attr_flags);
1801 CLASSERT(offsetof(typeof(*sa), sa_padding) != 0);
1804 void lustre_swab_mds_rec_join (struct mds_rec_join *jr)
1806 __swab64s(&jr->jr_headsize);
1807 lustre_swab_ll_fid(&jr->jr_fid);
1810 void lustre_swab_mdt_rec_join (struct mdt_rec_join *jr)
1812 __swab64s(&jr->jr_headsize);
1813 lustre_swab_lu_fid(&jr->jr_fid);
1816 void lustre_swab_mds_rec_create (struct mds_rec_create *cr)
1818 __swab32s (&cr->cr_opcode);
1819 __swab32s (&cr->cr_fsuid);
1820 __swab32s (&cr->cr_fsgid);
1821 __swab32s (&cr->cr_cap);
1822 __swab32s (&cr->cr_flags); /* for use with open */
1823 __swab32s (&cr->cr_mode);
1824 lustre_swab_ll_fid (&cr->cr_fid);
1825 lustre_swab_ll_fid (&cr->cr_replayfid);
1826 __swab64s (&cr->cr_time);
1827 __swab64s (&cr->cr_rdev);
1828 __swab32s (&cr->cr_suppgid);
1829 CLASSERT(offsetof(typeof(*cr), cr_padding_1) != 0);
1830 CLASSERT(offsetof(typeof(*cr), cr_padding_2) != 0);
1831 CLASSERT(offsetof(typeof(*cr), cr_padding_3) != 0);
1832 CLASSERT(offsetof(typeof(*cr), cr_padding_4) != 0);
1833 CLASSERT(offsetof(typeof(*cr), cr_padding_5) != 0);
1836 void lustre_swab_mds_rec_link (struct mds_rec_link *lk)
1838 __swab32s (&lk->lk_opcode);
1839 __swab32s (&lk->lk_fsuid);
1840 __swab32s (&lk->lk_fsgid);
1841 __swab32s (&lk->lk_cap);
1842 __swab32s (&lk->lk_suppgid1);
1843 __swab32s (&lk->lk_suppgid2);
1844 lustre_swab_ll_fid (&lk->lk_fid1);
1845 lustre_swab_ll_fid (&lk->lk_fid2);
1846 __swab64s (&lk->lk_time);
1847 CLASSERT(offsetof(typeof(*lk), lk_padding_1) != 0);
1848 CLASSERT(offsetof(typeof(*lk), lk_padding_2) != 0);
1849 CLASSERT(offsetof(typeof(*lk), lk_padding_3) != 0);
1850 CLASSERT(offsetof(typeof(*lk), lk_padding_4) != 0);
1853 void lustre_swab_mds_rec_unlink (struct mds_rec_unlink *ul)
1855 __swab32s (&ul->ul_opcode);
1856 __swab32s (&ul->ul_fsuid);
1857 __swab32s (&ul->ul_fsgid);
1858 __swab32s (&ul->ul_cap);
1859 __swab32s (&ul->ul_suppgid);
1860 __swab32s (&ul->ul_mode);
1861 lustre_swab_ll_fid (&ul->ul_fid1);
1862 lustre_swab_ll_fid (&ul->ul_fid2);
1863 __swab64s (&ul->ul_time);
1864 CLASSERT(offsetof(typeof(*ul), ul_padding_1) != 0);
1865 CLASSERT(offsetof(typeof(*ul), ul_padding_2) != 0);
1866 CLASSERT(offsetof(typeof(*ul), ul_padding_3) != 0);
1867 CLASSERT(offsetof(typeof(*ul), ul_padding_4) != 0);
1870 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1872 __swab64s(&fm_extent->fe_logical);
1873 __swab64s(&fm_extent->fe_physical);
1874 __swab64s(&fm_extent->fe_length);
1875 __swab32s(&fm_extent->fe_flags);
1876 __swab32s(&fm_extent->fe_device);
1879 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1883 __swab64s(&fiemap->fm_start);
1884 __swab64s(&fiemap->fm_length);
1885 __swab32s(&fiemap->fm_flags);
1886 __swab32s(&fiemap->fm_mapped_extents);
1887 __swab32s(&fiemap->fm_extent_count);
1888 __swab32s(&fiemap->fm_reserved);
1890 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1891 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1894 void lustre_swab_mds_rec_rename (struct mds_rec_rename *rn)
1896 __swab32s (&rn->rn_opcode);
1897 __swab32s (&rn->rn_fsuid);
1898 __swab32s (&rn->rn_fsgid);
1899 __swab32s (&rn->rn_cap);
1900 __swab32s (&rn->rn_suppgid1);
1901 __swab32s (&rn->rn_suppgid2);
1902 lustre_swab_ll_fid (&rn->rn_fid1);
1903 lustre_swab_ll_fid (&rn->rn_fid2);
1904 __swab64s (&rn->rn_time);
1905 CLASSERT(offsetof(typeof(*rn), rn_padding_1) != 0);
1906 CLASSERT(offsetof(typeof(*rn), rn_padding_2) != 0);
1907 CLASSERT(offsetof(typeof(*rn), rn_padding_3) != 0);
1908 CLASSERT(offsetof(typeof(*rn), rn_padding_4) != 0);
1911 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1913 __swab32s (&rr->rr_opcode);
1914 __swab32s (&rr->rr_cap);
1915 __swab32s (&rr->rr_fsuid);
1916 /* rr_fsuid_h is unused */
1917 __swab32s (&rr->rr_fsgid);
1918 /* rr_fsgid_h is unused */
1919 __swab32s (&rr->rr_suppgid1);
1920 /* rr_suppgid1_h is unused */
1921 __swab32s (&rr->rr_suppgid2);
1922 /* rr_suppgid2_h is unused */
1923 lustre_swab_lu_fid (&rr->rr_fid1);
1924 lustre_swab_lu_fid (&rr->rr_fid2);
1925 __swab64s (&rr->rr_mtime);
1926 __swab64s (&rr->rr_atime);
1927 __swab64s (&rr->rr_ctime);
1928 __swab64s (&rr->rr_size);
1929 __swab64s (&rr->rr_blocks);
1930 __swab32s (&rr->rr_bias);
1931 __swab32s (&rr->rr_mode);
1932 __swab32s (&rr->rr_padding_1);
1933 __swab32s (&rr->rr_padding_2);
1934 __swab32s (&rr->rr_padding_3);
1935 __swab32s (&rr->rr_padding_4);
1937 CLASSERT(offsetof(typeof(*rr), rr_padding_1) != 0);
1938 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
1939 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
1940 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1943 void lustre_swab_lov_desc (struct lov_desc *ld)
1945 __swab32s (&ld->ld_tgt_count);
1946 __swab32s (&ld->ld_active_tgt_count);
1947 __swab32s (&ld->ld_default_stripe_count);
1948 __swab32s (&ld->ld_pattern);
1949 __swab64s (&ld->ld_default_stripe_size);
1950 __swab64s (&ld->ld_default_stripe_offset);
1951 __swab32s (&ld->ld_qos_maxage);
1952 /* uuid endian insensitive */
1955 void lustre_swab_lmv_desc (struct lmv_desc *ld)
1957 __swab32s (&ld->ld_tgt_count);
1958 __swab32s (&ld->ld_active_tgt_count);
1959 __swab32s (&ld->ld_default_stripe_count);
1960 __swab32s (&ld->ld_pattern);
1961 __swab64s (&ld->ld_default_hash_size);
1962 __swab32s (&ld->ld_qos_maxage);
1963 /* uuid endian insensitive */
1966 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
1968 __swab32s(&mea->mea_magic);
1969 __swab32s(&mea->mea_count);
1970 __swab32s(&mea->mea_master);
1971 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
1975 static void print_lum (struct lov_user_md *lum)
1977 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
1978 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
1979 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
1980 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
1981 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_gr);
1982 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
1983 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
1984 CDEBUG(D_OTHER, "\tlmm_stripe_offset: %#x\n", lum->lmm_stripe_offset);
1987 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
1990 __swab32s(&lum->lmm_magic);
1991 __swab32s(&lum->lmm_pattern);
1992 __swab64s(&lum->lmm_object_id);
1993 __swab64s(&lum->lmm_object_gr);
1994 __swab32s(&lum->lmm_stripe_size);
1995 __swab16s(&lum->lmm_stripe_count);
1996 __swab16s(&lum->lmm_stripe_offset);
2001 static void print_lumj (struct lov_user_md_join *lumj)
2003 CDEBUG(D_OTHER, "lov_user_md %p:\n", lumj);
2004 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lumj->lmm_magic);
2005 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lumj->lmm_pattern);
2006 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lumj->lmm_object_id);
2007 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lumj->lmm_object_gr);
2008 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lumj->lmm_stripe_size);
2009 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lumj->lmm_stripe_count);
2010 CDEBUG(D_OTHER, "\tlmm_extent_count: %#x\n", lumj->lmm_extent_count);
2013 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2016 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2017 lustre_swab_lov_user_md_common(lum);
2021 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2024 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2025 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2026 /* lmm_pool_name nothing to do with char */
2030 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2033 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2034 __swab32s(&lmm->lmm_magic);
2035 __swab32s(&lmm->lmm_pattern);
2036 __swab64s(&lmm->lmm_object_id);
2037 __swab64s(&lmm->lmm_object_gr);
2038 __swab32s(&lmm->lmm_stripe_size);
2039 __swab32s(&lmm->lmm_stripe_count);
2043 void lustre_swab_lov_user_md_join(struct lov_user_md_join *lumj)
2046 CDEBUG(D_IOCTL, "swabbing lov_user_md_join\n");
2047 __swab32s(&lumj->lmm_magic);
2048 __swab32s(&lumj->lmm_pattern);
2049 __swab64s(&lumj->lmm_object_id);
2050 __swab64s(&lumj->lmm_object_gr);
2051 __swab32s(&lumj->lmm_stripe_size);
2052 __swab32s(&lumj->lmm_stripe_count);
2053 __swab32s(&lumj->lmm_extent_count);
2058 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2063 for (i = 0; i < stripe_count; i++) {
2064 __swab64s(&(lod[i].l_object_id));
2065 __swab64s(&(lod[i].l_object_gr));
2066 __swab32s(&(lod[i].l_ost_gen));
2067 __swab32s(&(lod[i].l_ost_idx));
2073 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2077 for (i = 0; i < RES_NAME_SIZE; i++)
2078 __swab64s (&id->name[i]);
2081 void lustre_swab_ldlm_policy_data (ldlm_policy_data_t *d)
2083 /* the lock data is a union and the first two fields are always an
2084 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2085 * data the same way. */
2086 __swab64s(&d->l_extent.start);
2087 __swab64s(&d->l_extent.end);
2088 __swab64s(&d->l_extent.gid);
2089 __swab32s(&d->l_flock.pid);
2092 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2094 __swab64s (&i->opc);
2097 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2099 __swab32s (&r->lr_type);
2100 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2101 lustre_swab_ldlm_res_id (&r->lr_name);
2104 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2106 lustre_swab_ldlm_resource_desc (&l->l_resource);
2107 __swab32s (&l->l_req_mode);
2108 __swab32s (&l->l_granted_mode);
2109 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2112 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2114 __swab32s (&rq->lock_flags);
2115 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2116 __swab32s (&rq->lock_count);
2117 /* lock_handle[] opaque */
2120 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2122 __swab32s (&r->lock_flags);
2123 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2124 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2125 /* lock_handle opaque */
2126 __swab64s (&r->lock_policy_res1);
2127 __swab64s (&r->lock_policy_res2);
2130 /* no one calls this */
2131 int llog_log_swabbed(struct llog_log_hdr *hdr)
2133 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
2135 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
2140 void lustre_swab_qdata(struct qunit_data *d)
2142 __swab32s (&d->qd_id);
2143 __swab32s (&d->qd_flags);
2144 __swab64s (&d->qd_count);
2145 __swab64s (&d->qd_qunit);
2146 __swab64s (&d->padding);
2152 * got qdata from request(req/rep)
2154 int quota_get_qdata(void *request, struct qunit_data *qdata,
2155 int is_req, int is_exp)
2157 struct ptlrpc_request *req = (struct ptlrpc_request *)request;
2158 struct qunit_data *new;
2159 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2160 req->rq_import->imp_connect_data.ocd_connect_flags;
2166 /* support for quota64 and change_qs */
2167 if (flags & OBD_CONNECT_CHANGE_QS) {
2168 if (!(flags & OBD_CONNECT_QUOTA64)) {
2169 CDEBUG(D_ERROR, "Wire protocol for qunit is broken!\n");
2172 if (is_req == QUOTA_REQUEST)
2173 new = lustre_swab_reqbuf(req, REQ_REC_OFF,
2174 sizeof(struct qunit_data),
2177 new = lustre_swab_repbuf(req, REPLY_REC_OFF,
2178 sizeof(struct qunit_data),
2181 GOTO(out, rc = -EPROTO);
2183 QDATA_SET_CHANGE_QS(qdata);
2186 QDATA_CLR_CHANGE_QS(qdata);
2192 EXPORT_SYMBOL(quota_get_qdata);
2195 * copy qdata to request(req/rep)
2197 int quota_copy_qdata(void *request, struct qunit_data *qdata,
2198 int is_req, int is_exp)
2200 struct ptlrpc_request *req = (struct ptlrpc_request *)request;
2202 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2203 req->rq_import->imp_connect_data.ocd_connect_flags;
2209 /* support for quota64 and change_qs */
2210 if (flags & OBD_CONNECT_CHANGE_QS) {
2211 if (!(flags & OBD_CONNECT_QUOTA64)) {
2212 CERROR("Wire protocol for qunit is broken!\n");
2215 if (is_req == QUOTA_REQUEST)
2216 target = lustre_msg_buf(req->rq_reqmsg, REQ_REC_OFF,
2217 sizeof(struct qunit_data));
2219 target = lustre_msg_buf(req->rq_repmsg, REPLY_REC_OFF,
2220 sizeof(struct qunit_data));
2222 GOTO(out, rc = -EPROTO);
2223 memcpy(target, qdata, sizeof(*qdata));
2230 EXPORT_SYMBOL(quota_copy_qdata);
2231 #endif /* __KERNEL__ */
2233 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2235 LASSERT(req->rq_reqmsg);
2237 switch (req->rq_reqmsg->lm_magic) {
2238 case LUSTRE_MSG_MAGIC_V2:
2239 case LUSTRE_MSG_MAGIC_V2_SWABBED:
2240 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2242 CERROR("bad lustre msg magic: %#08X\n",
2243 req->rq_reqmsg->lm_magic);
2248 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2250 LASSERT(req->rq_repmsg);
2252 switch (req->rq_repmsg->lm_magic) {
2253 case LUSTRE_MSG_MAGIC_V2:
2254 case LUSTRE_MSG_MAGIC_V2_SWABBED:
2255 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2257 /* uninitialized yet */
2262 void _debug_req(struct ptlrpc_request *req, __u32 mask,
2263 struct libcfs_debug_msg_data *data, const char *fmt, ... )
2267 va_start(args, fmt);
2268 libcfs_debug_vmsg2(data->msg_cdls, data->msg_subsys, mask, data->msg_file,
2269 data->msg_fn, data->msg_line, fmt, args,
2270 " req@%p x"LPD64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2271 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2272 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2273 req, req->rq_xid, req->rq_transno,
2274 req->rq_reqmsg ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2275 req->rq_reqmsg ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2276 req->rq_import ? obd2cli_tgt(req->rq_import->imp_obd) :
2278 (char*)req->rq_export->exp_client_uuid.uuid : "<?>",
2280 (char *)req->rq_import->imp_connection->c_remote_uuid.uuid :
2282 (char *)req->rq_export->exp_connection->c_remote_uuid.uuid : "<?>",
2283 req->rq_request_portal, req->rq_reply_portal,
2284 req->rq_reqlen, req->rq_replen,
2285 req->rq_early_count, !!req->rq_timeout, req->rq_deadline,
2286 atomic_read(&req->rq_refcount), DEBUG_REQ_FLAGS(req),
2287 req->rq_reqmsg && req_ptlrpc_body_swabbed(req) ?
2288 lustre_msg_get_flags(req->rq_reqmsg) : -1,
2289 req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
2290 lustre_msg_get_flags(req->rq_repmsg) : -1,
2292 req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
2293 lustre_msg_get_status(req->rq_repmsg) : -1);
2295 EXPORT_SYMBOL(_debug_req);
2297 void lustre_swab_lustre_capa(struct lustre_capa *c)
2299 lustre_swab_lu_fid(&c->lc_fid);
2300 __swab64s (&c->lc_opc);
2301 __swab64s (&c->lc_uid);
2302 __swab64s (&c->lc_gid);
2303 __swab32s (&c->lc_flags);
2304 __swab32s (&c->lc_keyid);
2305 __swab32s (&c->lc_timeout);
2306 __swab32s (&c->lc_expiry);
2309 void lustre_swab_lustre_capa_key (struct lustre_capa_key *k)
2311 __swab64s (&k->lk_mdsid);
2312 __swab32s (&k->lk_keyid);
2313 __swab32s (&k->lk_padding);