4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/ptlrpc/pack_generic.c
34 * (Un)packing of OST requests
36 * Author: Peter J. Braam <braam@clusterfs.com>
37 * Author: Phil Schwan <phil@clusterfs.com>
38 * Author: Eric Barton <eeb@clusterfs.com>
41 #define DEBUG_SUBSYSTEM S_RPC
43 #include <libcfs/libcfs.h>
45 #include <llog_swab.h>
46 #include <lustre_net.h>
47 #include <lustre_swab.h>
48 #include <obd_cksum.h>
49 #include <obd_class.h>
50 #include <obd_support.h>
51 #include <obj_update.h>
53 #include "ptlrpc_internal.h"
55 static inline __u32 lustre_msg_hdr_size_v2(__u32 count)
57 return cfs_size_round(offsetof(struct lustre_msg_v2,
61 __u32 lustre_msg_hdr_size(__u32 magic, __u32 count)
66 case LUSTRE_MSG_MAGIC_V2:
67 return lustre_msg_hdr_size_v2(count);
69 LASSERTF(0, "incorrect message magic: %08x\n", magic);
74 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
78 lustre_set_req_swabbed(req, index);
80 lustre_set_rep_swabbed(req, index);
83 bool ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
87 return (ptlrpc_req_need_swab(req) &&
88 !lustre_req_swabbed(req, index));
90 return (ptlrpc_rep_need_swab(req) && !lustre_rep_swabbed(req, index));
93 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
94 enum lustre_msg_version version)
96 enum lustre_msg_version ver = lustre_msg_get_version(msg);
98 return (ver & LUSTRE_VERSION_MASK) != version;
101 int lustre_msg_check_version(struct lustre_msg *msg,
102 enum lustre_msg_version version)
104 #define LUSTRE_MSG_MAGIC_V1 0x0BD00BD0
105 switch (msg->lm_magic) {
106 case LUSTRE_MSG_MAGIC_V1:
107 CERROR("msg v1 not supported - please upgrade you system\n");
109 case LUSTRE_MSG_MAGIC_V2:
110 return lustre_msg_check_version_v2(msg, version);
112 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
115 #undef LUSTRE_MSG_MAGIC_V1
118 /* early reply size */
119 __u32 lustre_msg_early_size()
121 __u32 pblen = sizeof(struct ptlrpc_body);
123 return lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
125 EXPORT_SYMBOL(lustre_msg_early_size);
127 __u32 lustre_msg_size_v2(int count, __u32 *lengths)
133 size = lustre_msg_hdr_size_v2(count);
134 for (i = 0; i < count; i++)
135 size += cfs_size_round(lengths[i]);
139 EXPORT_SYMBOL(lustre_msg_size_v2);
142 * This returns the size of the buffer that is required to hold a lustre_msg
143 * with the given sub-buffer lengths.
144 * NOTE: this should only be used for NEW requests, and should always be
145 * in the form of a v2 request. If this is a connection to a v1
146 * target then the first buffer will be stripped because the ptlrpc
147 * data is part of the lustre_msg_v1 header. b=14043
149 __u32 lustre_msg_size(__u32 magic, int count, __u32 *lens)
151 __u32 size[] = { sizeof(struct ptlrpc_body) };
159 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
162 case LUSTRE_MSG_MAGIC_V2:
163 return lustre_msg_size_v2(count, lens);
165 LASSERTF(0, "incorrect message magic: %08x\n", magic);
171 * This is used to determine the size of a buffer that was already packed
172 * and will correctly handle the different message formats.
174 __u32 lustre_packed_msg_size(struct lustre_msg *msg)
176 switch (msg->lm_magic) {
177 case LUSTRE_MSG_MAGIC_V2:
178 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
180 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
184 EXPORT_SYMBOL(lustre_packed_msg_size);
186 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
194 msg->lm_bufcount = count;
195 /* XXX: lm_secflvr uninitialized here */
196 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
198 for (i = 0; i < count; i++)
199 msg->lm_buflens[i] = lens[i];
204 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
205 for (i = 0; i < count; i++) {
209 memcpy(ptr, tmp, lens[i]);
210 ptr += cfs_size_round(lens[i]);
213 EXPORT_SYMBOL(lustre_init_msg_v2);
215 static int lustre_pack_request_v2(struct ptlrpc_request *req,
216 int count, __u32 *lens, char **bufs)
220 reqlen = lustre_msg_size_v2(count, lens);
222 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
226 req->rq_reqlen = reqlen;
228 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
229 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
233 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
234 __u32 *lens, char **bufs)
236 __u32 size[] = { sizeof(struct ptlrpc_body) };
244 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
246 /* only use new format, we don't need to be compatible with 1.4 */
247 magic = LUSTRE_MSG_MAGIC_V2;
250 case LUSTRE_MSG_MAGIC_V2:
251 return lustre_pack_request_v2(req, count, lens, bufs);
253 LASSERTF(0, "incorrect message magic: %08x\n", magic);
259 struct list_head ptlrpc_rs_debug_lru =
260 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
261 spinlock_t ptlrpc_rs_debug_lock;
263 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
265 spin_lock(&ptlrpc_rs_debug_lock); \
266 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
267 spin_unlock(&ptlrpc_rs_debug_lock); \
270 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
272 spin_lock(&ptlrpc_rs_debug_lock); \
273 list_del(&(rs)->rs_debug_list); \
274 spin_unlock(&ptlrpc_rs_debug_lock); \
277 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
278 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
281 struct ptlrpc_reply_state *
282 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
284 struct ptlrpc_reply_state *rs = NULL;
286 spin_lock(&svcpt->scp_rep_lock);
288 /* See if we have anything in a pool, and wait if nothing */
289 while (list_empty(&svcpt->scp_rep_idle)) {
292 spin_unlock(&svcpt->scp_rep_lock);
293 /* If we cannot get anything for some long time, we better
294 * bail out instead of waiting infinitely */
295 rc = wait_event_idle_timeout(svcpt->scp_rep_waitq,
296 !list_empty(&svcpt->scp_rep_idle),
297 cfs_time_seconds(10));
300 spin_lock(&svcpt->scp_rep_lock);
303 rs = list_entry(svcpt->scp_rep_idle.next,
304 struct ptlrpc_reply_state, rs_list);
305 list_del(&rs->rs_list);
307 spin_unlock(&svcpt->scp_rep_lock);
309 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
310 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
311 rs->rs_svcpt = svcpt;
317 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
319 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
321 spin_lock(&svcpt->scp_rep_lock);
322 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
323 spin_unlock(&svcpt->scp_rep_lock);
324 wake_up(&svcpt->scp_rep_waitq);
327 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
328 __u32 *lens, char **bufs, int flags)
330 struct ptlrpc_reply_state *rs;
334 LASSERT(req->rq_reply_state == NULL);
337 if ((flags & LPRFL_EARLY_REPLY) == 0) {
338 spin_lock(&req->rq_lock);
339 req->rq_packed_final = 1;
340 spin_unlock(&req->rq_lock);
343 msg_len = lustre_msg_size_v2(count, lens);
344 rc = sptlrpc_svc_alloc_rs(req, msg_len);
348 rs = req->rq_reply_state;
349 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
350 rs->rs_cb_id.cbid_fn = reply_out_callback;
351 rs->rs_cb_id.cbid_arg = rs;
352 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
353 INIT_LIST_HEAD(&rs->rs_exp_list);
354 INIT_LIST_HEAD(&rs->rs_obd_list);
355 INIT_LIST_HEAD(&rs->rs_list);
356 spin_lock_init(&rs->rs_lock);
358 req->rq_replen = msg_len;
359 req->rq_reply_state = rs;
360 req->rq_repmsg = rs->rs_msg;
362 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
363 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
365 PTLRPC_RS_DEBUG_LRU_ADD(rs);
369 EXPORT_SYMBOL(lustre_pack_reply_v2);
371 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
372 char **bufs, int flags)
375 __u32 size[] = { sizeof(struct ptlrpc_body) };
383 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
385 switch (req->rq_reqmsg->lm_magic) {
386 case LUSTRE_MSG_MAGIC_V2:
387 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
390 LASSERTF(0, "incorrect message magic: %08x\n",
391 req->rq_reqmsg->lm_magic);
395 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
396 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
400 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
403 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
405 EXPORT_SYMBOL(lustre_pack_reply);
407 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, __u32 n, __u32 min_size)
409 __u32 i, offset, buflen, bufcount;
412 LASSERT(m->lm_bufcount > 0);
414 bufcount = m->lm_bufcount;
415 if (unlikely(n >= bufcount)) {
416 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
421 buflen = m->lm_buflens[n];
422 if (unlikely(buflen < min_size)) {
423 CERROR("msg %p buffer[%d] size %d too small "
424 "(required %d, opc=%d)\n", m, n, buflen, min_size,
425 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
429 offset = lustre_msg_hdr_size_v2(bufcount);
430 for (i = 0; i < n; i++)
431 offset += cfs_size_round(m->lm_buflens[i]);
433 return (char *)m + offset;
436 void *lustre_msg_buf(struct lustre_msg *m, __u32 n, __u32 min_size)
438 switch (m->lm_magic) {
439 case LUSTRE_MSG_MAGIC_V2:
440 return lustre_msg_buf_v2(m, n, min_size);
442 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
447 EXPORT_SYMBOL(lustre_msg_buf);
449 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
450 unsigned int newlen, int move_data)
452 char *tail = NULL, *newpos;
456 LASSERT(msg->lm_bufcount > segment);
457 LASSERT(msg->lm_buflens[segment] >= newlen);
459 if (msg->lm_buflens[segment] == newlen)
462 if (move_data && msg->lm_bufcount > segment + 1) {
463 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
464 for (n = segment + 1; n < msg->lm_bufcount; n++)
465 tail_len += cfs_size_round(msg->lm_buflens[n]);
468 msg->lm_buflens[segment] = newlen;
470 if (tail && tail_len) {
471 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
472 LASSERT(newpos <= tail);
474 memmove(newpos, tail, tail_len);
477 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
481 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
482 * we also move data forward from @segment + 1.
484 * if @newlen == 0, we remove the segment completely, but we still keep the
485 * totally bufcount the same to save possible data moving. this will leave a
486 * unused segment with size 0 at the tail, but that's ok.
488 * return new msg size after shrinking.
491 * + if any buffers higher than @segment has been filled in, must call shrink
492 * with non-zero @move_data.
493 * + caller should NOT keep pointers to msg buffers which higher than @segment
496 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
497 unsigned int newlen, int move_data)
499 switch (msg->lm_magic) {
500 case LUSTRE_MSG_MAGIC_V2:
501 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
503 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
506 EXPORT_SYMBOL(lustre_shrink_msg);
508 static int lustre_grow_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
511 char *tail = NULL, *newpos;
515 LASSERT(msg->lm_bufcount > segment);
516 LASSERT(msg->lm_buflens[segment] <= newlen);
518 if (msg->lm_buflens[segment] == newlen)
521 if (msg->lm_bufcount > segment + 1) {
522 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
523 for (n = segment + 1; n < msg->lm_bufcount; n++)
524 tail_len += cfs_size_round(msg->lm_buflens[n]);
527 msg->lm_buflens[segment] = newlen;
529 if (tail && tail_len) {
530 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
531 memmove(newpos, tail, tail_len);
534 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
538 * for @msg, grow @segment to size @newlen.
539 * Always move higher buffer forward.
541 * return new msg size after growing.
544 * - caller must make sure there is enough space in allocated message buffer
545 * - caller should NOT keep pointers to msg buffers which higher than @segment
548 int lustre_grow_msg(struct lustre_msg *msg, int segment, unsigned int newlen)
550 switch (msg->lm_magic) {
551 case LUSTRE_MSG_MAGIC_V2:
552 return lustre_grow_msg_v2(msg, segment, newlen);
554 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
557 EXPORT_SYMBOL(lustre_grow_msg);
559 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
561 PTLRPC_RS_DEBUG_LRU_DEL(rs);
563 LASSERT(atomic_read(&rs->rs_refcount) == 0);
564 LASSERT(!rs->rs_difficult || rs->rs_handled);
565 LASSERT(!rs->rs_on_net);
566 LASSERT(!rs->rs_scheduled);
567 LASSERT(rs->rs_export == NULL);
568 LASSERT(rs->rs_nlocks == 0);
569 LASSERT(list_empty(&rs->rs_exp_list));
570 LASSERT(list_empty(&rs->rs_obd_list));
572 sptlrpc_svc_free_rs(rs);
575 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
577 int swabbed, required_len, i, buflen;
579 /* Now we know the sender speaks my language. */
580 required_len = lustre_msg_hdr_size_v2(0);
581 if (len < required_len) {
582 /* can't even look inside the message */
583 CERROR("message length %d too small for lustre_msg\n", len);
587 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
590 __swab32s(&m->lm_magic);
591 __swab32s(&m->lm_bufcount);
592 __swab32s(&m->lm_secflvr);
593 __swab32s(&m->lm_repsize);
594 __swab32s(&m->lm_cksum);
595 __swab32s(&m->lm_flags);
596 BUILD_BUG_ON(offsetof(typeof(*m), lm_padding_2) == 0);
597 BUILD_BUG_ON(offsetof(typeof(*m), lm_padding_3) == 0);
600 if (m->lm_bufcount == 0 || m->lm_bufcount > PTLRPC_MAX_BUFCOUNT) {
601 CERROR("message bufcount %d is not valid\n", m->lm_bufcount);
604 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
605 if (len < required_len) {
606 /* didn't receive all the buffer lengths */
607 CERROR("message length %d too small for %d buflens\n",
608 len, m->lm_bufcount);
612 for (i = 0; i < m->lm_bufcount; i++) {
614 __swab32s(&m->lm_buflens[i]);
615 buflen = cfs_size_round(m->lm_buflens[i]);
616 if (buflen < 0 || buflen > PTLRPC_MAX_BUFLEN) {
617 CERROR("buffer %d length %d is not valid\n", i, buflen);
620 required_len += buflen;
622 if (len < required_len || required_len > PTLRPC_MAX_BUFLEN) {
623 CERROR("len: %d, required_len %d, bufcount: %d\n",
624 len, required_len, m->lm_bufcount);
625 for (i = 0; i < m->lm_bufcount; i++)
626 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
633 int __lustre_unpack_msg(struct lustre_msg *m, int len)
635 int required_len, rc;
639 * We can provide a slightly better error log, if we check the
640 * message magic and version first. In the future, struct
641 * lustre_msg may grow, and we'd like to log a version mismatch,
642 * rather than a short message.
644 required_len = offsetof(struct lustre_msg, lm_magic) +
646 if (len < required_len) {
647 /* can't even look inside the message */
648 CERROR("message length %d too small for magic/version check\n",
653 rc = lustre_unpack_msg_v2(m, len);
657 EXPORT_SYMBOL(__lustre_unpack_msg);
659 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
663 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
665 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
671 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
675 rc = __lustre_unpack_msg(req->rq_repmsg, len);
677 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
683 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
684 const int inout, int offset)
686 struct ptlrpc_body *pb;
687 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
689 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
691 CERROR("error unpacking ptlrpc body\n");
694 if (ptlrpc_buf_need_swab(req, inout, offset)) {
695 lustre_swab_ptlrpc_body(pb);
696 ptlrpc_buf_set_swabbed(req, inout, offset);
699 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
700 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
705 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
710 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
712 switch (req->rq_reqmsg->lm_magic) {
713 case LUSTRE_MSG_MAGIC_V2:
714 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
716 CERROR("bad lustre msg magic: %08x\n",
717 req->rq_reqmsg->lm_magic);
722 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
724 switch (req->rq_repmsg->lm_magic) {
725 case LUSTRE_MSG_MAGIC_V2:
726 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
728 CERROR("bad lustre msg magic: %08x\n",
729 req->rq_repmsg->lm_magic);
734 static inline __u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, __u32 n)
736 if (n >= m->lm_bufcount)
739 return m->lm_buflens[n];
743 * lustre_msg_buflen - return the length of buffer \a n in message \a m
744 * \param m lustre_msg (request or reply) to look at
745 * \param n message index (base 0)
747 * returns zero for non-existent message indices
749 __u32 lustre_msg_buflen(struct lustre_msg *m, __u32 n)
751 switch (m->lm_magic) {
752 case LUSTRE_MSG_MAGIC_V2:
753 return lustre_msg_buflen_v2(m, n);
755 CERROR("incorrect message magic: %08x\n", m->lm_magic);
759 EXPORT_SYMBOL(lustre_msg_buflen);
762 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len)
764 if (n >= m->lm_bufcount)
767 m->lm_buflens[n] = len;
770 void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len)
772 switch (m->lm_magic) {
773 case LUSTRE_MSG_MAGIC_V2:
774 lustre_msg_set_buflen_v2(m, n, len);
777 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
782 * NB return the bufcount for lustre_msg_v2 format, so if message is packed
783 * in V1 format, the result is one bigger. (add struct ptlrpc_body).
785 __u32 lustre_msg_bufcount(struct lustre_msg *m)
787 switch (m->lm_magic) {
788 case LUSTRE_MSG_MAGIC_V2:
789 return m->lm_bufcount;
791 CERROR("incorrect message magic: %08x\n", m->lm_magic);
796 char *lustre_msg_string(struct lustre_msg *m, __u32 index, __u32 max_len)
798 /* max_len == 0 means the string should fill the buffer */
802 switch (m->lm_magic) {
803 case LUSTRE_MSG_MAGIC_V2:
804 str = lustre_msg_buf_v2(m, index, 0);
805 blen = lustre_msg_buflen_v2(m, index);
808 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
812 CERROR("can't unpack string in msg %p buffer[%d]\n", m, index);
816 slen = strnlen(str, blen);
818 if (slen == blen) { /* not NULL terminated */
819 CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n",
823 if (blen > PTLRPC_MAX_BUFLEN) {
824 CERROR("buffer length of msg %p buffer[%d] is invalid(%d)\n",
830 if (slen != blen - 1) {
831 CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n",
832 m, index, blen, slen);
835 } else if (slen > max_len) {
836 CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n",
837 m, index, blen, slen, max_len);
844 /* Wrap up the normal fixed length cases */
845 static inline void *__lustre_swab_buf(struct lustre_msg *msg, __u32 index,
846 __u32 min_size, void *swabber)
850 LASSERT(msg != NULL);
851 switch (msg->lm_magic) {
852 case LUSTRE_MSG_MAGIC_V2:
853 ptr = lustre_msg_buf_v2(msg, index, min_size);
856 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
859 if (ptr != NULL && swabber != NULL)
860 ((void (*)(void *))swabber)(ptr);
865 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
867 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
868 sizeof(struct ptlrpc_body_v2));
871 enum lustre_msghdr lustre_msghdr_get_flags(struct lustre_msg *msg)
873 switch (msg->lm_magic) {
874 case LUSTRE_MSG_MAGIC_V2:
875 /* already in host endian */
876 return msg->lm_flags;
878 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
882 EXPORT_SYMBOL(lustre_msghdr_get_flags);
884 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
886 switch (msg->lm_magic) {
887 case LUSTRE_MSG_MAGIC_V2:
888 msg->lm_flags = flags;
891 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
895 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
897 switch (msg->lm_magic) {
898 case LUSTRE_MSG_MAGIC_V2: {
899 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
903 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
908 * flags might be printed in debug code while message
914 EXPORT_SYMBOL(lustre_msg_get_flags);
916 void lustre_msg_add_flags(struct lustre_msg *msg, __u32 flags)
918 switch (msg->lm_magic) {
919 case LUSTRE_MSG_MAGIC_V2: {
920 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
921 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
922 pb->pb_flags |= flags;
926 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
929 EXPORT_SYMBOL(lustre_msg_add_flags);
931 void lustre_msg_set_flags(struct lustre_msg *msg, __u32 flags)
933 switch (msg->lm_magic) {
934 case LUSTRE_MSG_MAGIC_V2: {
935 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
936 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
937 pb->pb_flags = flags;
941 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
945 void lustre_msg_clear_flags(struct lustre_msg *msg, __u32 flags)
947 switch (msg->lm_magic) {
948 case LUSTRE_MSG_MAGIC_V2: {
949 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
950 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
951 pb->pb_flags &= ~flags;
956 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
959 EXPORT_SYMBOL(lustre_msg_clear_flags);
961 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
963 switch (msg->lm_magic) {
964 case LUSTRE_MSG_MAGIC_V2: {
965 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
967 return pb->pb_op_flags;
969 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
977 void lustre_msg_add_op_flags(struct lustre_msg *msg, __u32 flags)
979 switch (msg->lm_magic) {
980 case LUSTRE_MSG_MAGIC_V2: {
981 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
982 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
983 pb->pb_op_flags |= flags;
987 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
990 EXPORT_SYMBOL(lustre_msg_add_op_flags);
992 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
994 switch (msg->lm_magic) {
995 case LUSTRE_MSG_MAGIC_V2: {
996 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
998 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1001 return &pb->pb_handle;
1004 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1009 __u32 lustre_msg_get_type(struct lustre_msg *msg)
1011 switch (msg->lm_magic) {
1012 case LUSTRE_MSG_MAGIC_V2: {
1013 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1015 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1016 return PTL_RPC_MSG_ERR;
1021 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1022 return PTL_RPC_MSG_ERR;
1025 EXPORT_SYMBOL(lustre_msg_get_type);
1027 enum lustre_msg_version lustre_msg_get_version(struct lustre_msg *msg)
1029 switch (msg->lm_magic) {
1030 case LUSTRE_MSG_MAGIC_V2: {
1031 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1033 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1036 return pb->pb_version;
1039 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1044 void lustre_msg_add_version(struct lustre_msg *msg, __u32 version)
1046 switch (msg->lm_magic) {
1047 case LUSTRE_MSG_MAGIC_V2: {
1048 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1049 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1050 pb->pb_version |= version;
1054 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1058 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1060 switch (msg->lm_magic) {
1061 case LUSTRE_MSG_MAGIC_V2: {
1062 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1064 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1070 CERROR("incorrect message magic: %08x (msg:%p)\n",
1071 msg->lm_magic, msg);
1075 EXPORT_SYMBOL(lustre_msg_get_opc);
1077 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1079 switch (msg->lm_magic) {
1080 case LUSTRE_MSG_MAGIC_V2: {
1081 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1083 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1086 return pb->pb_last_xid;
1089 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1093 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1095 __u16 lustre_msg_get_tag(struct lustre_msg *msg)
1097 switch (msg->lm_magic) {
1098 case LUSTRE_MSG_MAGIC_V2: {
1099 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1101 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1107 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1111 EXPORT_SYMBOL(lustre_msg_get_tag);
1113 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1115 switch (msg->lm_magic) {
1116 case LUSTRE_MSG_MAGIC_V2: {
1117 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1119 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1122 return pb->pb_last_committed;
1125 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1129 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1131 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1133 switch (msg->lm_magic) {
1134 case LUSTRE_MSG_MAGIC_V2: {
1135 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1137 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1140 return pb->pb_pre_versions;
1143 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1147 EXPORT_SYMBOL(lustre_msg_get_versions);
1149 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1151 switch (msg->lm_magic) {
1152 case LUSTRE_MSG_MAGIC_V2: {
1153 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1155 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1158 return pb->pb_transno;
1161 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1165 EXPORT_SYMBOL(lustre_msg_get_transno);
1167 int lustre_msg_get_status(struct lustre_msg *msg)
1169 switch (msg->lm_magic) {
1170 case LUSTRE_MSG_MAGIC_V2: {
1171 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1173 return pb->pb_status;
1174 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1179 * status might be printed in debug code while message
1185 EXPORT_SYMBOL(lustre_msg_get_status);
1187 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1189 switch (msg->lm_magic) {
1190 case LUSTRE_MSG_MAGIC_V2: {
1191 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1193 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1199 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1205 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1207 switch (msg->lm_magic) {
1208 case LUSTRE_MSG_MAGIC_V2: {
1209 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1211 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1218 CERROR("invalid msg magic %x\n", msg->lm_magic);
1223 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1225 switch (msg->lm_magic) {
1226 case LUSTRE_MSG_MAGIC_V2: {
1227 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1229 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1232 return pb->pb_limit;
1235 CERROR("invalid msg magic %x\n", msg->lm_magic);
1241 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1243 switch (msg->lm_magic) {
1244 case LUSTRE_MSG_MAGIC_V2: {
1245 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1247 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1250 pb->pb_limit = limit;
1254 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1259 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1261 switch (msg->lm_magic) {
1262 case LUSTRE_MSG_MAGIC_V2: {
1263 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1265 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1268 return pb->pb_conn_cnt;
1271 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1275 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1277 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1279 switch (msg->lm_magic) {
1280 case LUSTRE_MSG_MAGIC_V2:
1281 return msg->lm_magic;
1283 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1288 timeout_t lustre_msg_get_timeout(struct lustre_msg *msg)
1290 switch (msg->lm_magic) {
1291 case LUSTRE_MSG_MAGIC_V2: {
1292 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1295 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1298 return pb->pb_timeout;
1301 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1306 timeout_t lustre_msg_get_service_timeout(struct lustre_msg *msg)
1308 switch (msg->lm_magic) {
1309 case LUSTRE_MSG_MAGIC_V2: {
1310 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1313 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1316 return pb->pb_service_time;
1319 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1324 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1326 switch (msg->lm_magic) {
1327 case LUSTRE_MSG_MAGIC_V2: {
1328 struct ptlrpc_body *pb;
1330 /* the old pltrpc_body_v2 is smaller; doesn't include jobid */
1331 if (msg->lm_buflens[MSG_PTLRPC_BODY_OFF] <
1332 sizeof(struct ptlrpc_body))
1335 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1336 sizeof(struct ptlrpc_body));
1340 return pb->pb_jobid;
1343 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1347 EXPORT_SYMBOL(lustre_msg_get_jobid);
1349 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1351 switch (msg->lm_magic) {
1352 case LUSTRE_MSG_MAGIC_V2:
1353 return msg->lm_cksum;
1355 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1360 __u64 lustre_msg_get_mbits(struct lustre_msg *msg)
1362 switch (msg->lm_magic) {
1363 case LUSTRE_MSG_MAGIC_V2: {
1364 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1366 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1369 return pb->pb_mbits;
1372 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1377 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1379 switch (msg->lm_magic) {
1380 case LUSTRE_MSG_MAGIC_V2: {
1381 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1382 __u32 len = lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1384 unsigned int hsize = 4;
1387 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1388 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1389 len, NULL, 0, (unsigned char *)&crc,
1394 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1399 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1401 switch (msg->lm_magic) {
1402 case LUSTRE_MSG_MAGIC_V2: {
1403 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1404 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1405 pb->pb_handle = *handle;
1409 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1413 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1415 switch (msg->lm_magic) {
1416 case LUSTRE_MSG_MAGIC_V2: {
1417 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1418 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1423 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1427 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1429 switch (msg->lm_magic) {
1430 case LUSTRE_MSG_MAGIC_V2: {
1431 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1432 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1437 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1441 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1443 switch (msg->lm_magic) {
1444 case LUSTRE_MSG_MAGIC_V2: {
1445 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1446 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1447 pb->pb_last_xid = last_xid;
1451 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1454 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1456 void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag)
1458 switch (msg->lm_magic) {
1459 case LUSTRE_MSG_MAGIC_V2: {
1460 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1461 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1466 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1469 EXPORT_SYMBOL(lustre_msg_set_tag);
1471 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1473 switch (msg->lm_magic) {
1474 case LUSTRE_MSG_MAGIC_V2: {
1475 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1476 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1477 pb->pb_last_committed = last_committed;
1481 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1485 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1487 switch (msg->lm_magic) {
1488 case LUSTRE_MSG_MAGIC_V2: {
1489 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1490 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1491 pb->pb_pre_versions[0] = versions[0];
1492 pb->pb_pre_versions[1] = versions[1];
1493 pb->pb_pre_versions[2] = versions[2];
1494 pb->pb_pre_versions[3] = versions[3];
1498 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1501 EXPORT_SYMBOL(lustre_msg_set_versions);
1503 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1505 switch (msg->lm_magic) {
1506 case LUSTRE_MSG_MAGIC_V2: {
1507 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1508 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1509 pb->pb_transno = transno;
1513 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1516 EXPORT_SYMBOL(lustre_msg_set_transno);
1518 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1520 switch (msg->lm_magic) {
1521 case LUSTRE_MSG_MAGIC_V2: {
1522 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1523 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1524 pb->pb_status = status;
1528 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1531 EXPORT_SYMBOL(lustre_msg_set_status);
1533 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1535 switch (msg->lm_magic) {
1536 case LUSTRE_MSG_MAGIC_V2: {
1537 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1538 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1539 pb->pb_conn_cnt = conn_cnt;
1543 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1547 void lustre_msg_set_timeout(struct lustre_msg *msg, timeout_t timeout)
1549 switch (msg->lm_magic) {
1550 case LUSTRE_MSG_MAGIC_V2: {
1551 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1553 LASSERT(timeout >= 0);
1554 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1555 pb->pb_timeout = timeout;
1559 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1563 void lustre_msg_set_service_timeout(struct lustre_msg *msg,
1564 timeout_t service_timeout)
1566 switch (msg->lm_magic) {
1567 case LUSTRE_MSG_MAGIC_V2: {
1568 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1570 LASSERT(service_timeout >= 0);
1571 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1572 pb->pb_service_time = service_timeout;
1576 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1580 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1582 switch (msg->lm_magic) {
1583 case LUSTRE_MSG_MAGIC_V2: {
1584 __u32 opc = lustre_msg_get_opc(msg);
1585 struct ptlrpc_body *pb;
1587 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1588 * See the comment in ptlrpc_request_pack(). */
1589 if (!opc || opc == LDLM_BL_CALLBACK ||
1590 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1593 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1594 sizeof(struct ptlrpc_body));
1595 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1598 memcpy(pb->pb_jobid, jobid, sizeof(pb->pb_jobid));
1599 else if (pb->pb_jobid[0] == '\0')
1600 lustre_get_jobid(pb->pb_jobid, sizeof(pb->pb_jobid));
1604 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1607 EXPORT_SYMBOL(lustre_msg_set_jobid);
1609 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1611 switch (msg->lm_magic) {
1612 case LUSTRE_MSG_MAGIC_V2:
1613 msg->lm_cksum = cksum;
1616 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1620 void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits)
1622 switch (msg->lm_magic) {
1623 case LUSTRE_MSG_MAGIC_V2: {
1624 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1626 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1627 pb->pb_mbits = mbits;
1631 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1635 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1637 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1639 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1640 req->rq_pill.rc_area[RCL_SERVER]);
1641 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1642 req->rq_reqmsg->lm_repsize = req->rq_replen;
1644 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1646 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1648 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1649 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1650 req->rq_reqmsg->lm_repsize = req->rq_replen;
1654 * Send a remote set_info_async.
1656 * This may go from client to server or server to client.
1658 int do_set_info_async(struct obd_import *imp,
1659 int opcode, int version,
1660 size_t keylen, void *key,
1661 size_t vallen, void *val,
1662 struct ptlrpc_request_set *set)
1664 struct ptlrpc_request *req;
1670 req = ptlrpc_request_alloc(imp, KEY_IS(KEY_CHANGELOG_CLEAR) ?
1676 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1677 RCL_CLIENT, keylen);
1678 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1679 RCL_CLIENT, vallen);
1680 rc = ptlrpc_request_pack(req, version, opcode);
1682 ptlrpc_request_free(req);
1686 if (KEY_IS(KEY_CHANGELOG_CLEAR))
1689 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1690 memcpy(tmp, key, keylen);
1691 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1692 memcpy(tmp, val, vallen);
1694 ptlrpc_request_set_replen(req);
1697 ptlrpc_set_add_req(set, req);
1698 ptlrpc_check_set(NULL, set);
1700 rc = ptlrpc_queue_wait(req);
1701 ptlrpc_req_finished(req);
1706 EXPORT_SYMBOL(do_set_info_async);
1708 /* byte flipping routines for all wire types declared in
1709 * lustre_idl.h implemented here.
1711 void lustre_swab_ptlrpc_body(struct ptlrpc_body *body)
1713 __swab32s(&body->pb_type);
1714 __swab32s(&body->pb_version);
1715 __swab32s(&body->pb_opc);
1716 __swab32s(&body->pb_status);
1717 __swab64s(&body->pb_last_xid);
1718 __swab16s(&body->pb_tag);
1719 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding0) == 0);
1720 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding1) == 0);
1721 __swab64s(&body->pb_last_committed);
1722 __swab64s(&body->pb_transno);
1723 __swab32s(&body->pb_flags);
1724 __swab32s(&body->pb_op_flags);
1725 __swab32s(&body->pb_conn_cnt);
1726 __swab32s(&body->pb_timeout);
1727 __swab32s(&body->pb_service_time);
1728 __swab32s(&body->pb_limit);
1729 __swab64s(&body->pb_slv);
1730 __swab64s(&body->pb_pre_versions[0]);
1731 __swab64s(&body->pb_pre_versions[1]);
1732 __swab64s(&body->pb_pre_versions[2]);
1733 __swab64s(&body->pb_pre_versions[3]);
1734 __swab64s(&body->pb_mbits);
1735 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding64_0) == 0);
1736 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding64_1) == 0);
1737 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding64_2) == 0);
1739 * While we need to maintain compatibility between
1740 * clients and servers without ptlrpc_body_v2 (< 2.3)
1741 * do not swab any fields beyond pb_jobid, as we are
1742 * using this swab function for both ptlrpc_body
1743 * and ptlrpc_body_v2.
1745 /* pb_jobid is an ASCII string and should not be swabbed */
1746 BUILD_BUG_ON(offsetof(typeof(*body), pb_jobid) == 0);
1749 void lustre_swab_connect(struct obd_connect_data *ocd)
1751 __swab64s(&ocd->ocd_connect_flags);
1752 __swab32s(&ocd->ocd_version);
1753 __swab32s(&ocd->ocd_grant);
1754 __swab64s(&ocd->ocd_ibits_known);
1755 __swab32s(&ocd->ocd_index);
1756 __swab32s(&ocd->ocd_brw_size);
1758 * ocd_blocksize and ocd_inodespace don't need to be swabbed because
1759 * they are 8-byte values
1761 __swab16s(&ocd->ocd_grant_tax_kb);
1762 __swab32s(&ocd->ocd_grant_max_blks);
1763 __swab64s(&ocd->ocd_transno);
1764 __swab32s(&ocd->ocd_group);
1765 __swab32s(&ocd->ocd_cksum_types);
1766 __swab32s(&ocd->ocd_instance);
1768 * Fields after ocd_cksum_types are only accessible by the receiver
1769 * if the corresponding flag in ocd_connect_flags is set. Accessing
1770 * any field after ocd_maxbytes on the receiver without a valid flag
1771 * may result in out-of-bound memory access and kernel oops.
1773 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1774 __swab32s(&ocd->ocd_max_easize);
1775 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1776 __swab64s(&ocd->ocd_maxbytes);
1777 if (ocd->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS)
1778 __swab16s(&ocd->ocd_maxmodrpcs);
1779 BUILD_BUG_ON(offsetof(typeof(*ocd), padding0) == 0);
1780 BUILD_BUG_ON(offsetof(typeof(*ocd), padding1) == 0);
1781 if (ocd->ocd_connect_flags & OBD_CONNECT_FLAGS2)
1782 __swab64s(&ocd->ocd_connect_flags2);
1783 BUILD_BUG_ON(offsetof(typeof(*ocd), padding3) == 0);
1784 BUILD_BUG_ON(offsetof(typeof(*ocd), padding4) == 0);
1785 BUILD_BUG_ON(offsetof(typeof(*ocd), padding5) == 0);
1786 BUILD_BUG_ON(offsetof(typeof(*ocd), padding6) == 0);
1787 BUILD_BUG_ON(offsetof(typeof(*ocd), padding7) == 0);
1788 BUILD_BUG_ON(offsetof(typeof(*ocd), padding8) == 0);
1789 BUILD_BUG_ON(offsetof(typeof(*ocd), padding9) == 0);
1790 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingA) == 0);
1791 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingB) == 0);
1792 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingC) == 0);
1793 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingD) == 0);
1794 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingE) == 0);
1795 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingF) == 0);
1798 static void lustre_swab_ost_layout(struct ost_layout *ol)
1800 __swab32s(&ol->ol_stripe_size);
1801 __swab32s(&ol->ol_stripe_count);
1802 __swab64s(&ol->ol_comp_start);
1803 __swab64s(&ol->ol_comp_end);
1804 __swab32s(&ol->ol_comp_id);
1807 void lustre_swab_obdo(struct obdo *o)
1809 __swab64s(&o->o_valid);
1810 lustre_swab_ost_id(&o->o_oi);
1811 __swab64s(&o->o_parent_seq);
1812 __swab64s(&o->o_size);
1813 __swab64s(&o->o_mtime);
1814 __swab64s(&o->o_atime);
1815 __swab64s(&o->o_ctime);
1816 __swab64s(&o->o_blocks);
1817 __swab64s(&o->o_grant);
1818 __swab32s(&o->o_blksize);
1819 __swab32s(&o->o_mode);
1820 __swab32s(&o->o_uid);
1821 __swab32s(&o->o_gid);
1822 __swab32s(&o->o_flags);
1823 __swab32s(&o->o_nlink);
1824 __swab32s(&o->o_parent_oid);
1825 __swab32s(&o->o_misc);
1826 __swab64s(&o->o_ioepoch);
1827 __swab32s(&o->o_stripe_idx);
1828 __swab32s(&o->o_parent_ver);
1829 lustre_swab_ost_layout(&o->o_layout);
1830 __swab32s(&o->o_layout_version);
1831 __swab32s(&o->o_uid_h);
1832 __swab32s(&o->o_gid_h);
1833 __swab64s(&o->o_data_version);
1834 __swab32s(&o->o_projid);
1835 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_4) == 0);
1836 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_5) == 0);
1837 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_6) == 0);
1840 EXPORT_SYMBOL(lustre_swab_obdo);
1842 void lustre_swab_obd_statfs(struct obd_statfs *os)
1844 __swab64s(&os->os_type);
1845 __swab64s(&os->os_blocks);
1846 __swab64s(&os->os_bfree);
1847 __swab64s(&os->os_bavail);
1848 __swab64s(&os->os_files);
1849 __swab64s(&os->os_ffree);
1850 /* no need to swab os_fsid */
1851 __swab32s(&os->os_bsize);
1852 __swab32s(&os->os_namelen);
1853 __swab64s(&os->os_maxbytes);
1854 __swab32s(&os->os_state);
1855 __swab32s(&os->os_fprecreated);
1856 __swab32s(&os->os_granted);
1857 BUILD_BUG_ON(offsetof(typeof(*os), os_spare3) == 0);
1858 BUILD_BUG_ON(offsetof(typeof(*os), os_spare4) == 0);
1859 BUILD_BUG_ON(offsetof(typeof(*os), os_spare5) == 0);
1860 BUILD_BUG_ON(offsetof(typeof(*os), os_spare6) == 0);
1861 BUILD_BUG_ON(offsetof(typeof(*os), os_spare7) == 0);
1862 BUILD_BUG_ON(offsetof(typeof(*os), os_spare8) == 0);
1863 BUILD_BUG_ON(offsetof(typeof(*os), os_spare9) == 0);
1866 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1868 lustre_swab_ost_id(&ioo->ioo_oid);
1869 __swab32s(&ioo->ioo_max_brw);
1870 __swab32s(&ioo->ioo_bufcnt);
1873 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1875 __swab64s(&nbr->rnb_offset);
1876 __swab32s(&nbr->rnb_len);
1877 __swab32s(&nbr->rnb_flags);
1880 void lustre_swab_ost_body(struct ost_body *b)
1882 lustre_swab_obdo(&b->oa);
1885 void lustre_swab_ost_last_id(u64 *id)
1890 void lustre_swab_generic_32s(__u32 *val)
1895 void lustre_swab_gl_lquota_desc(struct ldlm_gl_lquota_desc *desc)
1897 lustre_swab_lu_fid(&desc->gl_id.qid_fid);
1898 __swab64s(&desc->gl_flags);
1899 __swab64s(&desc->gl_ver);
1900 __swab64s(&desc->gl_hardlimit);
1901 __swab64s(&desc->gl_softlimit);
1902 __swab64s(&desc->gl_time);
1903 BUILD_BUG_ON(offsetof(typeof(*desc), gl_pad2) == 0);
1905 EXPORT_SYMBOL(lustre_swab_gl_lquota_desc);
1907 void lustre_swab_gl_barrier_desc(struct ldlm_gl_barrier_desc *desc)
1909 __swab32s(&desc->lgbd_status);
1910 __swab32s(&desc->lgbd_timeout);
1911 BUILD_BUG_ON(offsetof(typeof(*desc), lgbd_padding) == 0);
1913 EXPORT_SYMBOL(lustre_swab_gl_barrier_desc);
1915 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1917 __swab64s(&lvb->lvb_size);
1918 __swab64s(&lvb->lvb_mtime);
1919 __swab64s(&lvb->lvb_atime);
1920 __swab64s(&lvb->lvb_ctime);
1921 __swab64s(&lvb->lvb_blocks);
1923 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1925 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1927 __swab64s(&lvb->lvb_size);
1928 __swab64s(&lvb->lvb_mtime);
1929 __swab64s(&lvb->lvb_atime);
1930 __swab64s(&lvb->lvb_ctime);
1931 __swab64s(&lvb->lvb_blocks);
1932 __swab32s(&lvb->lvb_mtime_ns);
1933 __swab32s(&lvb->lvb_atime_ns);
1934 __swab32s(&lvb->lvb_ctime_ns);
1935 __swab32s(&lvb->lvb_padding);
1937 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1939 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1941 __swab64s(&lvb->lvb_flags);
1942 __swab64s(&lvb->lvb_id_may_rel);
1943 __swab64s(&lvb->lvb_id_rel);
1944 __swab64s(&lvb->lvb_id_qunit);
1945 __swab64s(&lvb->lvb_pad1);
1947 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1949 void lustre_swab_barrier_lvb(struct barrier_lvb *lvb)
1951 __swab32s(&lvb->lvb_status);
1952 __swab32s(&lvb->lvb_index);
1953 BUILD_BUG_ON(offsetof(typeof(*lvb), lvb_padding) == 0);
1955 EXPORT_SYMBOL(lustre_swab_barrier_lvb);
1957 void lustre_swab_mdt_body(struct mdt_body *b)
1959 lustre_swab_lu_fid(&b->mbo_fid1);
1960 lustre_swab_lu_fid(&b->mbo_fid2);
1961 /* handle is opaque */
1962 __swab64s(&b->mbo_valid);
1963 __swab64s(&b->mbo_size);
1964 __swab64s(&b->mbo_mtime);
1965 __swab64s(&b->mbo_atime);
1966 __swab64s(&b->mbo_ctime);
1967 __swab64s(&b->mbo_blocks);
1968 __swab64s(&b->mbo_version);
1969 __swab64s(&b->mbo_t_state);
1970 __swab32s(&b->mbo_fsuid);
1971 __swab32s(&b->mbo_fsgid);
1972 __swab32s(&b->mbo_capability);
1973 __swab32s(&b->mbo_mode);
1974 __swab32s(&b->mbo_uid);
1975 __swab32s(&b->mbo_gid);
1976 __swab32s(&b->mbo_flags);
1977 __swab32s(&b->mbo_rdev);
1978 __swab32s(&b->mbo_nlink);
1979 __swab32s(&b->mbo_layout_gen);
1980 __swab32s(&b->mbo_suppgid);
1981 __swab32s(&b->mbo_eadatasize);
1982 __swab32s(&b->mbo_aclsize);
1983 __swab32s(&b->mbo_max_mdsize);
1984 BUILD_BUG_ON(offsetof(typeof(*b), mbo_unused3) == 0);
1985 __swab32s(&b->mbo_uid_h);
1986 __swab32s(&b->mbo_gid_h);
1987 __swab32s(&b->mbo_projid);
1988 __swab64s(&b->mbo_dom_size);
1989 __swab64s(&b->mbo_dom_blocks);
1990 __swab64s(&b->mbo_btime);
1991 BUILD_BUG_ON(offsetof(typeof(*b), mbo_padding_9) == 0);
1992 BUILD_BUG_ON(offsetof(typeof(*b), mbo_padding_10) == 0);
1995 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1997 /* mio_open_handle is opaque */
1998 BUILD_BUG_ON(offsetof(typeof(*b), mio_unused1) == 0);
1999 BUILD_BUG_ON(offsetof(typeof(*b), mio_unused2) == 0);
2000 BUILD_BUG_ON(offsetof(typeof(*b), mio_padding) == 0);
2003 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
2007 __swab32s(&mti->mti_lustre_ver);
2008 __swab32s(&mti->mti_stripe_index);
2009 __swab32s(&mti->mti_config_ver);
2010 __swab32s(&mti->mti_flags);
2011 __swab32s(&mti->mti_instance);
2012 __swab32s(&mti->mti_nid_count);
2013 BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64));
2014 for (i = 0; i < MTI_NIDS_MAX; i++)
2015 __swab64s(&mti->mti_nids[i]);
2018 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
2022 __swab64s(&entry->mne_version);
2023 __swab32s(&entry->mne_instance);
2024 __swab32s(&entry->mne_index);
2025 __swab32s(&entry->mne_length);
2027 /* mne_nid_(count|type) must be one byte size because we're gonna
2028 * access it w/o swapping. */
2029 BUILD_BUG_ON(sizeof(entry->mne_nid_count) != sizeof(__u8));
2030 BUILD_BUG_ON(sizeof(entry->mne_nid_type) != sizeof(__u8));
2032 /* remove this assertion if ipv6 is supported. */
2033 LASSERT(entry->mne_nid_type == 0);
2034 for (i = 0; i < entry->mne_nid_count; i++) {
2035 BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64));
2036 __swab64s(&entry->u.nids[i]);
2039 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
2041 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
2043 __swab64s(&body->mcb_offset);
2044 __swab32s(&body->mcb_units);
2045 __swab16s(&body->mcb_type);
2048 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
2050 __swab64s(&body->mcr_offset);
2051 __swab64s(&body->mcr_size);
2054 static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i)
2056 __swab64s(&i->dqi_bgrace);
2057 __swab64s(&i->dqi_igrace);
2058 __swab32s(&i->dqi_flags);
2059 __swab32s(&i->dqi_valid);
2062 static void lustre_swab_obd_dqblk(struct obd_dqblk *b)
2064 __swab64s(&b->dqb_ihardlimit);
2065 __swab64s(&b->dqb_isoftlimit);
2066 __swab64s(&b->dqb_curinodes);
2067 __swab64s(&b->dqb_bhardlimit);
2068 __swab64s(&b->dqb_bsoftlimit);
2069 __swab64s(&b->dqb_curspace);
2070 __swab64s(&b->dqb_btime);
2071 __swab64s(&b->dqb_itime);
2072 __swab32s(&b->dqb_valid);
2073 BUILD_BUG_ON(offsetof(typeof(*b), dqb_padding) == 0);
2076 int lustre_swab_obd_quotactl(struct obd_quotactl *q, __u32 len)
2078 if (unlikely(len <= sizeof(struct obd_quotactl)))
2081 __swab32s(&q->qc_cmd);
2082 __swab32s(&q->qc_type);
2083 __swab32s(&q->qc_id);
2084 __swab32s(&q->qc_stat);
2085 lustre_swab_obd_dqinfo(&q->qc_dqinfo);
2086 lustre_swab_obd_dqblk(&q->qc_dqblk);
2091 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
2093 lustre_swab_lu_fid(&gf->gf_fid);
2094 __swab64s(&gf->gf_recno);
2095 __swab32s(&gf->gf_linkno);
2096 __swab32s(&gf->gf_pathlen);
2098 EXPORT_SYMBOL(lustre_swab_fid2path);
2100 static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent)
2102 __swab64s(&fm_extent->fe_logical);
2103 __swab64s(&fm_extent->fe_physical);
2104 __swab64s(&fm_extent->fe_length);
2105 __swab32s(&fm_extent->fe_flags);
2106 __swab32s(&fm_extent->fe_device);
2109 static void lustre_swab_fiemap_hdr(struct fiemap *fiemap)
2111 __swab64s(&fiemap->fm_start);
2112 __swab64s(&fiemap->fm_length);
2113 __swab32s(&fiemap->fm_flags);
2114 __swab32s(&fiemap->fm_mapped_extents);
2115 __swab32s(&fiemap->fm_extent_count);
2116 __swab32s(&fiemap->fm_reserved);
2119 int lustre_swab_fiemap(struct fiemap *fiemap, __u32 len)
2121 __u32 i, size, count;
2123 lustre_swab_fiemap_hdr(fiemap);
2125 size = fiemap_count_to_size(fiemap->fm_mapped_extents);
2126 count = fiemap->fm_mapped_extents;
2127 if (unlikely(size > len)) {
2128 count = (len - sizeof(struct fiemap)) /
2129 sizeof(struct fiemap_extent);
2130 fiemap->fm_mapped_extents = count;
2133 /* still swab extents as we cannot yet pass rc to callers */
2134 for (i = 0; i < count; i++)
2135 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2140 void lustre_swab_fiemap_info_key(struct ll_fiemap_info_key *fiemap_info)
2142 lustre_swab_obdo(&fiemap_info->lfik_oa);
2143 lustre_swab_fiemap_hdr(&fiemap_info->lfik_fiemap);
2146 void lustre_swab_idx_info(struct idx_info *ii)
2148 __swab32s(&ii->ii_magic);
2149 __swab32s(&ii->ii_flags);
2150 __swab16s(&ii->ii_count);
2151 __swab32s(&ii->ii_attrs);
2152 lustre_swab_lu_fid(&ii->ii_fid);
2153 __swab64s(&ii->ii_version);
2154 __swab64s(&ii->ii_hash_start);
2155 __swab64s(&ii->ii_hash_end);
2156 __swab16s(&ii->ii_keysize);
2157 __swab16s(&ii->ii_recsize);
2160 void lustre_swab_lip_header(struct lu_idxpage *lip)
2163 __swab32s(&lip->lip_magic);
2164 __swab16s(&lip->lip_flags);
2165 __swab16s(&lip->lip_nr);
2167 EXPORT_SYMBOL(lustre_swab_lip_header);
2169 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2171 __swab32s(&rr->rr_opcode);
2172 __swab32s(&rr->rr_cap);
2173 __swab32s(&rr->rr_fsuid);
2174 /* rr_fsuid_h is unused */
2175 __swab32s(&rr->rr_fsgid);
2176 /* rr_fsgid_h is unused */
2177 __swab32s(&rr->rr_suppgid1);
2178 /* rr_suppgid1_h is unused */
2179 __swab32s(&rr->rr_suppgid2);
2180 /* rr_suppgid2_h is unused */
2181 lustre_swab_lu_fid(&rr->rr_fid1);
2182 lustre_swab_lu_fid(&rr->rr_fid2);
2183 __swab64s(&rr->rr_mtime);
2184 __swab64s(&rr->rr_atime);
2185 __swab64s(&rr->rr_ctime);
2186 __swab64s(&rr->rr_size);
2187 __swab64s(&rr->rr_blocks);
2188 __swab32s(&rr->rr_bias);
2189 __swab32s(&rr->rr_mode);
2190 __swab32s(&rr->rr_flags);
2191 __swab32s(&rr->rr_flags_h);
2192 __swab32s(&rr->rr_umask);
2193 __swab16s(&rr->rr_mirror_id);
2195 BUILD_BUG_ON(offsetof(typeof(*rr), rr_padding_4) == 0);
2198 void lustre_swab_lov_desc(struct lov_desc *ld)
2200 __swab32s(&ld->ld_tgt_count);
2201 __swab32s(&ld->ld_active_tgt_count);
2202 __swab32s(&ld->ld_default_stripe_count);
2203 __swab32s(&ld->ld_pattern);
2204 __swab64s(&ld->ld_default_stripe_size);
2205 __swab64s(&ld->ld_default_stripe_offset);
2206 __swab32s(&ld->ld_qos_maxage);
2207 /* uuid endian insensitive */
2209 EXPORT_SYMBOL(lustre_swab_lov_desc);
2211 void lustre_swab_lmv_desc(struct lmv_desc *ld)
2213 __swab32s(&ld->ld_tgt_count);
2214 __swab32s(&ld->ld_active_tgt_count);
2215 __swab32s(&ld->ld_default_stripe_count);
2216 __swab32s(&ld->ld_pattern);
2217 __swab64s(&ld->ld_default_hash_size);
2218 __swab32s(&ld->ld_qos_maxage);
2219 /* uuid endian insensitive */
2222 /* This structure is always in little-endian */
2223 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2227 __swab32s(&lmm1->lmv_magic);
2228 __swab32s(&lmm1->lmv_stripe_count);
2229 __swab32s(&lmm1->lmv_master_mdt_index);
2230 __swab32s(&lmm1->lmv_hash_type);
2231 __swab32s(&lmm1->lmv_layout_version);
2232 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2233 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2236 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2238 switch (lmm->lmv_magic) {
2240 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2246 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
2248 void lustre_swab_lmv_user_md_objects(struct lmv_user_mds_data *lmd,
2253 for (i = 0; i < stripe_count; i++)
2254 __swab32s(&(lmd[i].lum_mds));
2256 EXPORT_SYMBOL(lustre_swab_lmv_user_md_objects);
2259 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2263 if (lum->lum_magic == LMV_MAGIC_FOREIGN) {
2264 __swab32s(&lum->lum_magic);
2265 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_length);
2266 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_type);
2267 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_flags);
2271 count = lum->lum_stripe_count;
2272 __swab32s(&lum->lum_magic);
2273 __swab32s(&lum->lum_stripe_count);
2274 __swab32s(&lum->lum_stripe_offset);
2275 __swab32s(&lum->lum_hash_type);
2276 __swab32s(&lum->lum_type);
2277 BUILD_BUG_ON(offsetof(typeof(*lum), lum_padding1) == 0);
2278 switch (lum->lum_magic) {
2279 case LMV_USER_MAGIC_SPECIFIC:
2280 count = lum->lum_stripe_count;
2282 case __swab32(LMV_USER_MAGIC_SPECIFIC):
2283 lustre_swab_lmv_user_md_objects(lum->lum_objects, count);
2289 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2291 static void lustre_print_v1v3(unsigned int lvl, struct lov_user_md *lum,
2294 CDEBUG(lvl, "%s lov_user_md %p:\n", msg, lum);
2295 CDEBUG(lvl, "\tlmm_magic: %#x\n", lum->lmm_magic);
2296 CDEBUG(lvl, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2297 CDEBUG(lvl, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
2298 CDEBUG(lvl, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
2299 CDEBUG(lvl, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2300 CDEBUG(lvl, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2301 CDEBUG(lvl, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2302 lum->lmm_stripe_offset);
2303 if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
2304 struct lov_user_md_v3 *v3 = (void *)lum;
2305 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2307 if (lum->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2308 struct lov_user_md_v3 *v3 = (void *)lum;
2311 if (v3->lmm_pool_name[0] != '\0')
2312 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2314 CDEBUG(lvl, "\ttarget list:\n");
2315 for (i = 0; i < v3->lmm_stripe_count; i++)
2316 CDEBUG(lvl, "\t\t%u\n", v3->lmm_objects[i].l_ost_idx);
2320 void lustre_print_user_md(unsigned int lvl, struct lov_user_md *lum,
2323 struct lov_comp_md_v1 *comp_v1;
2326 if (likely(!cfs_cdebug_show(lvl, DEBUG_SUBSYSTEM)))
2329 if (lum->lmm_magic == LOV_USER_MAGIC_V1 ||
2330 lum->lmm_magic == LOV_USER_MAGIC_V3) {
2331 lustre_print_v1v3(lvl, lum, msg);
2335 if (lum->lmm_magic != LOV_USER_MAGIC_COMP_V1) {
2336 CDEBUG(lvl, "%s: bad magic: %x\n", msg, lum->lmm_magic);
2340 comp_v1 = (struct lov_comp_md_v1 *)lum;
2341 CDEBUG(lvl, "%s: lov_comp_md_v1 %p:\n", msg, lum);
2342 CDEBUG(lvl, "\tlcm_magic: %#x\n", comp_v1->lcm_magic);
2343 CDEBUG(lvl, "\tlcm_size: %#x\n", comp_v1->lcm_size);
2344 CDEBUG(lvl, "\tlcm_layout_gen: %#x\n", comp_v1->lcm_layout_gen);
2345 CDEBUG(lvl, "\tlcm_flags: %#x\n", comp_v1->lcm_flags);
2346 CDEBUG(lvl, "\tlcm_entry_count: %#x\n\n", comp_v1->lcm_entry_count);
2347 CDEBUG(lvl, "\tlcm_mirror_count: %#x\n\n", comp_v1->lcm_mirror_count);
2349 for (i = 0; i < comp_v1->lcm_entry_count; i++) {
2350 struct lov_comp_md_entry_v1 *ent = &comp_v1->lcm_entries[i];
2351 struct lov_user_md *v1;
2353 CDEBUG(lvl, "\tentry %d:\n", i);
2354 CDEBUG(lvl, "\tlcme_id: %#x\n", ent->lcme_id);
2355 CDEBUG(lvl, "\tlcme_flags: %#x\n", ent->lcme_flags);
2356 if (ent->lcme_flags & LCME_FL_NOSYNC)
2357 CDEBUG(lvl, "\tlcme_timestamp: %llu\n",
2358 ent->lcme_timestamp);
2359 CDEBUG(lvl, "\tlcme_extent.e_start: %llu\n",
2360 ent->lcme_extent.e_start);
2361 CDEBUG(lvl, "\tlcme_extent.e_end: %llu\n",
2362 ent->lcme_extent.e_end);
2363 CDEBUG(lvl, "\tlcme_offset: %#x\n", ent->lcme_offset);
2364 CDEBUG(lvl, "\tlcme_size: %#x\n\n", ent->lcme_size);
2366 v1 = (struct lov_user_md *)((char *)comp_v1 +
2367 comp_v1->lcm_entries[i].lcme_offset);
2368 lustre_print_v1v3(lvl, v1, msg);
2371 EXPORT_SYMBOL(lustre_print_user_md);
2373 static void lustre_swab_lmm_oi(struct ost_id *oi)
2375 __swab64s(&oi->oi.oi_id);
2376 __swab64s(&oi->oi.oi_seq);
2379 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2382 __swab32s(&lum->lmm_magic);
2383 __swab32s(&lum->lmm_pattern);
2384 lustre_swab_lmm_oi(&lum->lmm_oi);
2385 __swab32s(&lum->lmm_stripe_size);
2386 __swab16s(&lum->lmm_stripe_count);
2387 __swab16s(&lum->lmm_stripe_offset);
2391 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2394 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2395 lustre_swab_lov_user_md_common(lum);
2398 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2400 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2403 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2404 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2405 /* lmm_pool_name nothing to do with char */
2408 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2410 void lustre_swab_lov_comp_md_v1(struct lov_comp_md_v1 *lum)
2412 struct lov_comp_md_entry_v1 *ent;
2413 struct lov_user_md_v1 *v1;
2414 struct lov_user_md_v3 *v3;
2418 __u16 ent_count, stripe_count;
2421 cpu_endian = lum->lcm_magic == LOV_USER_MAGIC_COMP_V1;
2422 ent_count = lum->lcm_entry_count;
2424 __swab16s(&ent_count);
2426 CDEBUG(D_IOCTL, "swabbing lov_user_comp_md v1\n");
2427 __swab32s(&lum->lcm_magic);
2428 __swab32s(&lum->lcm_size);
2429 __swab32s(&lum->lcm_layout_gen);
2430 __swab16s(&lum->lcm_flags);
2431 __swab16s(&lum->lcm_entry_count);
2432 __swab16s(&lum->lcm_mirror_count);
2433 BUILD_BUG_ON(offsetof(typeof(*lum), lcm_padding1) == 0);
2434 BUILD_BUG_ON(offsetof(typeof(*lum), lcm_padding2) == 0);
2436 for (i = 0; i < ent_count; i++) {
2437 ent = &lum->lcm_entries[i];
2438 off = ent->lcme_offset;
2439 size = ent->lcme_size;
2445 __swab32s(&ent->lcme_id);
2446 __swab32s(&ent->lcme_flags);
2447 __swab64s(&ent->lcme_timestamp);
2448 __swab64s(&ent->lcme_extent.e_start);
2449 __swab64s(&ent->lcme_extent.e_end);
2450 __swab32s(&ent->lcme_offset);
2451 __swab32s(&ent->lcme_size);
2452 __swab32s(&ent->lcme_layout_gen);
2453 BUILD_BUG_ON(offsetof(typeof(*ent), lcme_padding_1) == 0);
2455 v1 = (struct lov_user_md_v1 *)((char *)lum + off);
2456 stripe_count = v1->lmm_stripe_count;
2458 __swab16s(&stripe_count);
2460 if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V1) ||
2461 v1->lmm_magic == LOV_USER_MAGIC_V1) {
2462 lustre_swab_lov_user_md_v1(v1);
2463 if (size > sizeof(*v1))
2464 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2466 } else if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V3) ||
2467 v1->lmm_magic == LOV_USER_MAGIC_V3 ||
2468 v1->lmm_magic == __swab32(LOV_USER_MAGIC_SPECIFIC) ||
2469 v1->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2470 v3 = (struct lov_user_md_v3 *)v1;
2471 lustre_swab_lov_user_md_v3(v3);
2472 if (size > sizeof(*v3))
2473 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2476 CERROR("Invalid magic %#x\n", v1->lmm_magic);
2480 EXPORT_SYMBOL(lustre_swab_lov_comp_md_v1);
2482 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2488 for (i = 0; i < stripe_count; i++) {
2489 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2490 __swab32s(&(lod[i].l_ost_gen));
2491 __swab32s(&(lod[i].l_ost_idx));
2495 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2497 void lustre_swab_lov_user_md(struct lov_user_md *lum, size_t size)
2499 struct lov_user_md_v1 *v1;
2500 struct lov_user_md_v3 *v3;
2501 struct lov_foreign_md *lfm;
2505 CDEBUG(D_IOCTL, "swabbing lov_user_md\n");
2506 switch (lum->lmm_magic) {
2507 case __swab32(LOV_MAGIC_V1):
2508 case LOV_USER_MAGIC_V1:
2510 v1 = (struct lov_user_md_v1 *)lum;
2511 stripe_count = v1->lmm_stripe_count;
2513 if (lum->lmm_magic != LOV_USER_MAGIC_V1)
2514 __swab16s(&stripe_count);
2516 lustre_swab_lov_user_md_v1(v1);
2517 if (size > sizeof(*v1))
2518 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2523 case __swab32(LOV_MAGIC_V3):
2524 case LOV_USER_MAGIC_V3:
2526 v3 = (struct lov_user_md_v3 *)lum;
2527 stripe_count = v3->lmm_stripe_count;
2529 if (lum->lmm_magic != LOV_USER_MAGIC_V3)
2530 __swab16s(&stripe_count);
2532 lustre_swab_lov_user_md_v3(v3);
2533 if (size > sizeof(*v3))
2534 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2538 case __swab32(LOV_USER_MAGIC_SPECIFIC):
2539 case LOV_USER_MAGIC_SPECIFIC:
2541 v3 = (struct lov_user_md_v3 *)lum;
2542 stripe_count = v3->lmm_stripe_count;
2544 if (lum->lmm_magic != LOV_USER_MAGIC_SPECIFIC)
2545 __swab16s(&stripe_count);
2547 lustre_swab_lov_user_md_v3(v3);
2548 lustre_swab_lov_user_md_objects(v3->lmm_objects, stripe_count);
2551 case __swab32(LOV_MAGIC_COMP_V1):
2552 case LOV_USER_MAGIC_COMP_V1:
2553 lustre_swab_lov_comp_md_v1((struct lov_comp_md_v1 *)lum);
2555 case __swab32(LOV_MAGIC_FOREIGN):
2556 case LOV_USER_MAGIC_FOREIGN:
2558 lfm = (struct lov_foreign_md *)lum;
2559 __swab32s(&lfm->lfm_magic);
2560 __swab32s(&lfm->lfm_length);
2561 __swab32s(&lfm->lfm_type);
2562 __swab32s(&lfm->lfm_flags);
2566 CDEBUG(D_IOCTL, "Invalid LOV magic %08x\n", lum->lmm_magic);
2569 EXPORT_SYMBOL(lustre_swab_lov_user_md);
2571 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2574 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2575 __swab32s(&lmm->lmm_magic);
2576 __swab32s(&lmm->lmm_pattern);
2577 lustre_swab_lmm_oi(&lmm->lmm_oi);
2578 __swab32s(&lmm->lmm_stripe_size);
2579 __swab16s(&lmm->lmm_stripe_count);
2580 __swab16s(&lmm->lmm_layout_gen);
2583 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2585 void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
2589 for (i = 0; i < RES_NAME_SIZE; i++)
2590 __swab64s(&id->name[i]);
2593 void lustre_swab_ldlm_policy_data(union ldlm_wire_policy_data *d)
2595 /* the lock data is a union and the first two fields are always an
2596 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2597 * data the same way.
2599 __swab64s(&d->l_extent.start);
2600 __swab64s(&d->l_extent.end);
2601 __swab64s(&d->l_extent.gid);
2602 __swab64s(&d->l_flock.lfw_owner);
2603 __swab32s(&d->l_flock.lfw_pid);
2606 void lustre_swab_ldlm_intent(struct ldlm_intent *i)
2611 void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2613 __swab32s(&r->lr_type);
2614 BUILD_BUG_ON(offsetof(typeof(*r), lr_pad) == 0);
2615 lustre_swab_ldlm_res_id(&r->lr_name);
2618 void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
2620 lustre_swab_ldlm_resource_desc(&l->l_resource);
2621 __swab32s(&l->l_req_mode);
2622 __swab32s(&l->l_granted_mode);
2623 lustre_swab_ldlm_policy_data(&l->l_policy_data);
2626 void lustre_swab_ldlm_request(struct ldlm_request *rq)
2628 __swab32s(&rq->lock_flags);
2629 lustre_swab_ldlm_lock_desc(&rq->lock_desc);
2630 __swab32s(&rq->lock_count);
2631 /* lock_handle[] opaque */
2634 void lustre_swab_ldlm_reply(struct ldlm_reply *r)
2636 __swab32s(&r->lock_flags);
2637 BUILD_BUG_ON(offsetof(typeof(*r), lock_padding) == 0);
2638 lustre_swab_ldlm_lock_desc(&r->lock_desc);
2639 /* lock_handle opaque */
2640 __swab64s(&r->lock_policy_res1);
2641 __swab64s(&r->lock_policy_res2);
2644 void lustre_swab_quota_body(struct quota_body *b)
2646 lustre_swab_lu_fid(&b->qb_fid);
2647 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2648 __swab32s(&b->qb_flags);
2649 __swab64s(&b->qb_count);
2650 __swab64s(&b->qb_usage);
2651 __swab64s(&b->qb_slv_ver);
2654 /* Dump functions */
2655 void dump_ioo(struct obd_ioobj *ioo)
2658 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2659 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2663 void dump_rniobuf(struct niobuf_remote *nb)
2665 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2666 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2669 void dump_obdo(struct obdo *oa)
2671 u64 valid = oa->o_valid;
2673 CDEBUG(D_RPCTRACE, "obdo: o_valid = %#llx\n", valid);
2674 if (valid & OBD_MD_FLID)
2675 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2676 if (valid & OBD_MD_FLFID)
2677 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2679 if (valid & OBD_MD_FLSIZE)
2680 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2681 if (valid & OBD_MD_FLMTIME)
2682 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2683 if (valid & OBD_MD_FLATIME)
2684 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2685 if (valid & OBD_MD_FLCTIME)
2686 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2687 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2688 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2689 if (valid & OBD_MD_FLGRANT)
2690 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2691 if (valid & OBD_MD_FLBLKSZ)
2692 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2693 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2694 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2695 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2696 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2697 if (valid & OBD_MD_FLUID)
2698 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2699 if (valid & OBD_MD_FLUID)
2700 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2701 if (valid & OBD_MD_FLGID)
2702 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2703 if (valid & OBD_MD_FLGID)
2704 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2705 if (valid & OBD_MD_FLFLAGS)
2706 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2707 if (valid & OBD_MD_FLNLINK)
2708 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2709 else if (valid & OBD_MD_FLCKSUM)
2710 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2712 if (valid & OBD_MD_FLPARENT)
2713 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2715 if (valid & OBD_MD_FLFID) {
2716 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2718 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2721 if (valid & OBD_MD_FLHANDLE)
2722 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2723 oa->o_handle.cookie);
2726 void dump_ost_body(struct ost_body *ob)
2731 void dump_rcs(__u32 *rc)
2733 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2736 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2738 LASSERT(req->rq_reqmsg);
2740 switch (req->rq_reqmsg->lm_magic) {
2741 case LUSTRE_MSG_MAGIC_V2:
2742 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2744 CERROR("bad lustre msg magic: %#08X\n",
2745 req->rq_reqmsg->lm_magic);
2750 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2752 if (unlikely(!req->rq_repmsg))
2755 switch (req->rq_repmsg->lm_magic) {
2756 case LUSTRE_MSG_MAGIC_V2:
2757 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2759 /* uninitialized yet */
2764 void _debug_req(struct ptlrpc_request *req,
2765 struct libcfs_debug_msg_data *msgdata, const char *fmt, ...)
2767 bool req_ok = req->rq_reqmsg != NULL;
2768 bool rep_ok = false;
2769 lnet_nid_t nid = LNET_NID_ANY;
2770 struct va_format vaf;
2773 int rep_status = -1;
2775 spin_lock(&req->rq_early_free_lock);
2779 if (ptlrpc_req_need_swab(req)) {
2780 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2781 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2785 rep_flags = lustre_msg_get_flags(req->rq_repmsg);
2786 rep_status = lustre_msg_get_status(req->rq_repmsg);
2788 spin_unlock(&req->rq_early_free_lock);
2790 if (req->rq_import && req->rq_import->imp_connection)
2791 nid = req->rq_import->imp_connection->c_peer.nid;
2792 else if (req->rq_export && req->rq_export->exp_connection)
2793 nid = req->rq_export->exp_connection->c_peer.nid;
2795 va_start(args, fmt);
2798 libcfs_debug_msg(msgdata,
2799 "%pV req@%p x%llu/t%lld(%lld) o%d->%s@%s:%d/%d lens %d/%d e %d to %lld dl %lld ref %d fl " REQ_FLAGS_FMT "/%x/%x rc %d/%d job:'%s'\n",
2801 req, req->rq_xid, req->rq_transno,
2802 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2803 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2805 req->rq_import->imp_obd->obd_name :
2807 req->rq_export->exp_client_uuid.uuid :
2809 libcfs_nid2str(nid),
2810 req->rq_request_portal, req->rq_reply_portal,
2811 req->rq_reqlen, req->rq_replen,
2812 req->rq_early_count, (s64)req->rq_timedout,
2813 (s64)req->rq_deadline,
2814 atomic_read(&req->rq_refcount),
2815 DEBUG_REQ_FLAGS(req),
2816 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2817 rep_flags, req->rq_status, rep_status,
2818 req_ok ? lustre_msg_get_jobid(req->rq_reqmsg) ?: ""
2822 EXPORT_SYMBOL(_debug_req);
2824 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2826 __swab32s(&state->hus_states);
2827 __swab32s(&state->hus_archive_id);
2830 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2832 __swab32s(&hss->hss_valid);
2833 __swab64s(&hss->hss_setmask);
2834 __swab64s(&hss->hss_clearmask);
2835 __swab32s(&hss->hss_archive_id);
2838 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2840 __swab64s(&extent->offset);
2841 __swab64s(&extent->length);
2844 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2846 __swab32s(&action->hca_state);
2847 __swab32s(&action->hca_action);
2848 lustre_swab_hsm_extent(&action->hca_location);
2851 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2853 lustre_swab_lu_fid(&hui->hui_fid);
2854 lustre_swab_hsm_extent(&hui->hui_extent);
2857 void lustre_swab_lu_extent(struct lu_extent *le)
2859 __swab64s(&le->e_start);
2860 __swab64s(&le->e_end);
2863 void lustre_swab_layout_intent(struct layout_intent *li)
2865 __swab32s(&li->li_opc);
2866 __swab32s(&li->li_flags);
2867 lustre_swab_lu_extent(&li->li_extent);
2870 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2872 lustre_swab_lu_fid(&hpk->hpk_fid);
2873 __swab64s(&hpk->hpk_cookie);
2874 __swab64s(&hpk->hpk_extent.offset);
2875 __swab64s(&hpk->hpk_extent.length);
2876 __swab16s(&hpk->hpk_flags);
2877 __swab16s(&hpk->hpk_errval);
2880 void lustre_swab_hsm_request(struct hsm_request *hr)
2882 __swab32s(&hr->hr_action);
2883 __swab32s(&hr->hr_archive_id);
2884 __swab64s(&hr->hr_flags);
2885 __swab32s(&hr->hr_itemcount);
2886 __swab32s(&hr->hr_data_len);
2889 void lustre_swab_object_update(struct object_update *ou)
2891 struct object_update_param *param;
2894 __swab16s(&ou->ou_type);
2895 __swab16s(&ou->ou_params_count);
2896 __swab32s(&ou->ou_result_size);
2897 __swab32s(&ou->ou_flags);
2898 __swab32s(&ou->ou_padding1);
2899 __swab64s(&ou->ou_batchid);
2900 lustre_swab_lu_fid(&ou->ou_fid);
2901 param = &ou->ou_params[0];
2902 for (i = 0; i < ou->ou_params_count; i++) {
2903 __swab16s(¶m->oup_len);
2904 __swab16s(¶m->oup_padding);
2905 __swab32s(¶m->oup_padding2);
2906 param = (struct object_update_param *)((char *)param +
2907 object_update_param_size(param));
2911 int lustre_swab_object_update_request(struct object_update_request *our,
2915 struct object_update *ou;
2917 __swab32s(&our->ourq_magic);
2918 __swab16s(&our->ourq_count);
2919 __swab16s(&our->ourq_padding);
2921 /* Don't need to calculate request size if len is 0. */
2923 size = sizeof(struct object_update_request);
2924 for (i = 0; i < our->ourq_count; i++) {
2925 ou = object_update_request_get(our, i, NULL);
2928 size += sizeof(struct object_update) +
2929 ou->ou_params_count *
2930 sizeof(struct object_update_param);
2932 if (unlikely(size > len))
2936 for (i = 0; i < our->ourq_count; i++) {
2937 ou = object_update_request_get(our, i, NULL);
2938 lustre_swab_object_update(ou);
2944 void lustre_swab_object_update_result(struct object_update_result *our)
2946 __swab32s(&our->our_rc);
2947 __swab16s(&our->our_datalen);
2948 __swab16s(&our->our_padding);
2951 int lustre_swab_object_update_reply(struct object_update_reply *our, __u32 len)
2955 __swab32s(&our->ourp_magic);
2956 __swab16s(&our->ourp_count);
2957 __swab16s(&our->ourp_padding);
2959 size = sizeof(struct object_update_reply) + our->ourp_count *
2960 (sizeof(__u16) + sizeof(struct object_update_result));
2961 if (unlikely(size > len))
2964 for (i = 0; i < our->ourp_count; i++) {
2965 struct object_update_result *ourp;
2967 __swab16s(&our->ourp_lens[i]);
2968 ourp = object_update_result_get(our, i, NULL);
2971 lustre_swab_object_update_result(ourp);
2977 void lustre_swab_out_update_header(struct out_update_header *ouh)
2979 __swab32s(&ouh->ouh_magic);
2980 __swab32s(&ouh->ouh_count);
2981 __swab32s(&ouh->ouh_inline_length);
2982 __swab32s(&ouh->ouh_reply_size);
2984 EXPORT_SYMBOL(lustre_swab_out_update_header);
2986 void lustre_swab_out_update_buffer(struct out_update_buffer *oub)
2988 __swab32s(&oub->oub_size);
2989 __swab32s(&oub->oub_padding);
2991 EXPORT_SYMBOL(lustre_swab_out_update_buffer);
2993 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2995 __swab64s(&msl->msl_flags);
2998 void lustre_swab_close_data(struct close_data *cd)
3000 lustre_swab_lu_fid(&cd->cd_fid);
3001 __swab64s(&cd->cd_data_version);
3004 void lustre_swab_close_data_resync_done(struct close_data_resync_done *resync)
3008 __swab32s(&resync->resync_count);
3009 /* after swab, resync_count must in CPU endian */
3010 if (resync->resync_count <= INLINE_RESYNC_ARRAY_SIZE) {
3011 for (i = 0; i < resync->resync_count; i++)
3012 __swab32s(&resync->resync_ids_inline[i]);
3015 EXPORT_SYMBOL(lustre_swab_close_data_resync_done);
3017 void lustre_swab_lfsck_request(struct lfsck_request *lr)
3019 __swab32s(&lr->lr_event);
3020 __swab32s(&lr->lr_index);
3021 __swab32s(&lr->lr_flags);
3022 __swab32s(&lr->lr_valid);
3023 __swab32s(&lr->lr_speed);
3024 __swab16s(&lr->lr_version);
3025 __swab16s(&lr->lr_active);
3026 __swab16s(&lr->lr_param);
3027 __swab16s(&lr->lr_async_windows);
3028 __swab32s(&lr->lr_flags);
3029 lustre_swab_lu_fid(&lr->lr_fid);
3030 lustre_swab_lu_fid(&lr->lr_fid2);
3031 __swab32s(&lr->lr_comp_id);
3032 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_0) == 0);
3033 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_1) == 0);
3034 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_2) == 0);
3035 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_3) == 0);
3038 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
3040 __swab32s(&lr->lr_status);
3041 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_1) == 0);
3042 __swab64s(&lr->lr_repaired);
3045 static void lustre_swab_orphan_rec(struct lu_orphan_rec *rec)
3047 lustre_swab_lu_fid(&rec->lor_fid);
3048 __swab32s(&rec->lor_uid);
3049 __swab32s(&rec->lor_gid);
3052 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
3054 lustre_swab_lu_fid(&ent->loe_key);
3055 lustre_swab_orphan_rec(&ent->loe_rec);
3057 EXPORT_SYMBOL(lustre_swab_orphan_ent);
3059 void lustre_swab_orphan_ent_v2(struct lu_orphan_ent_v2 *ent)
3061 lustre_swab_lu_fid(&ent->loe_key);
3062 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
3063 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
3064 BUILD_BUG_ON(offsetof(typeof(ent->loe_rec), lor_padding) == 0);
3066 EXPORT_SYMBOL(lustre_swab_orphan_ent_v2);
3068 void lustre_swab_orphan_ent_v3(struct lu_orphan_ent_v3 *ent)
3070 lustre_swab_lu_fid(&ent->loe_key);
3071 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
3072 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
3073 __swab32s(&ent->loe_rec.lor_layout_version);
3074 __swab32s(&ent->loe_rec.lor_range);
3075 BUILD_BUG_ON(offsetof(typeof(ent->loe_rec), lor_padding_1) == 0);
3076 BUILD_BUG_ON(offsetof(typeof(ent->loe_rec), lor_padding_2) == 0);
3078 EXPORT_SYMBOL(lustre_swab_orphan_ent_v3);
3080 void lustre_swab_ladvise(struct lu_ladvise *ladvise)
3082 __swab16s(&ladvise->lla_advice);
3083 __swab16s(&ladvise->lla_value1);
3084 __swab32s(&ladvise->lla_value2);
3085 __swab64s(&ladvise->lla_start);
3086 __swab64s(&ladvise->lla_end);
3087 __swab32s(&ladvise->lla_value3);
3088 __swab32s(&ladvise->lla_value4);
3090 EXPORT_SYMBOL(lustre_swab_ladvise);
3092 void lustre_swab_ladvise_hdr(struct ladvise_hdr *ladvise_hdr)
3094 __swab32s(&ladvise_hdr->lah_magic);
3095 __swab32s(&ladvise_hdr->lah_count);
3096 __swab64s(&ladvise_hdr->lah_flags);
3097 __swab32s(&ladvise_hdr->lah_value1);
3098 __swab32s(&ladvise_hdr->lah_value2);
3099 __swab64s(&ladvise_hdr->lah_value3);
3101 EXPORT_SYMBOL(lustre_swab_ladvise_hdr);