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/
31 * lustre/ptlrpc/pack_generic.c
33 * (Un)packing of OST requests
35 * Author: Peter J. Braam <braam@clusterfs.com>
36 * Author: Phil Schwan <phil@clusterfs.com>
37 * Author: Eric Barton <eeb@clusterfs.com>
40 #define DEBUG_SUBSYSTEM S_RPC
42 #include <linux/crc32.h>
44 #include <libcfs/libcfs.h>
46 #include <llog_swab.h>
47 #include <lustre_net.h>
48 #include <lustre_swab.h>
49 #include <obd_cksum.h>
50 #include <obd_class.h>
51 #include <obd_support.h>
52 #include "ptlrpc_internal.h"
54 static inline __u32 lustre_msg_hdr_size_v2(__u32 count)
56 return cfs_size_round(offsetof(struct lustre_msg_v2,
60 __u32 lustre_msg_hdr_size(__u32 magic, __u32 count)
65 case LUSTRE_MSG_MAGIC_V2:
66 return lustre_msg_hdr_size_v2(count);
68 LASSERTF(0, "incorrect message magic: %08x\n", magic);
73 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
74 enum lustre_msg_version version)
76 enum lustre_msg_version ver = lustre_msg_get_version(msg);
78 return (ver & LUSTRE_VERSION_MASK) != version;
81 int lustre_msg_check_version(struct lustre_msg *msg,
82 enum lustre_msg_version version)
84 #define LUSTRE_MSG_MAGIC_V1 0x0BD00BD0
85 switch (msg->lm_magic) {
86 case LUSTRE_MSG_MAGIC_V1:
87 CERROR("msg v1 not supported - please upgrade you system\n");
89 case LUSTRE_MSG_MAGIC_V2:
90 return lustre_msg_check_version_v2(msg, version);
92 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
95 #undef LUSTRE_MSG_MAGIC_V1
98 __u32 lustre_msg_early_size;
99 EXPORT_SYMBOL(lustre_msg_early_size);
101 /* early reply size */
102 void lustre_msg_early_size_init(void)
104 __u32 pblen = sizeof(struct ptlrpc_body);
106 lustre_msg_early_size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
109 __u32 lustre_msg_size_v2(int count, __u32 *lengths)
115 size = lustre_msg_hdr_size_v2(count);
116 for (i = 0; i < count; i++)
117 size += cfs_size_round(lengths[i]);
121 EXPORT_SYMBOL(lustre_msg_size_v2);
124 * This returns the size of the buffer that is required to hold a lustre_msg
125 * with the given sub-buffer lengths.
126 * NOTE: this should only be used for NEW requests, and should always be
127 * in the form of a v2 request. If this is a connection to a v1
128 * target then the first buffer will be stripped because the ptlrpc
129 * data is part of the lustre_msg_v1 header. b=14043
131 __u32 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_v2));
144 case LUSTRE_MSG_MAGIC_V2:
145 return lustre_msg_size_v2(count, lens);
147 LASSERTF(0, "incorrect message magic: %08x\n", magic);
153 * This is used to determine the size of a buffer that was already packed
154 * and will correctly handle the different message formats.
156 __u32 lustre_packed_msg_size(struct lustre_msg *msg)
158 switch (msg->lm_magic) {
159 case LUSTRE_MSG_MAGIC_V2:
160 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
162 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
166 EXPORT_SYMBOL(lustre_packed_msg_size);
168 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
176 msg->lm_bufcount = count;
177 /* XXX: lm_secflvr uninitialized here */
178 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
180 for (i = 0; i < count; i++)
181 msg->lm_buflens[i] = lens[i];
186 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
187 for (i = 0; i < count; i++) {
191 memcpy(ptr, tmp, lens[i]);
192 ptr += cfs_size_round(lens[i]);
195 EXPORT_SYMBOL(lustre_init_msg_v2);
197 static int lustre_pack_request_v2(struct ptlrpc_request *req,
198 int count, __u32 *lens, char **bufs)
202 reqlen = lustre_msg_size_v2(count, lens);
204 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
208 req->rq_reqlen = reqlen;
210 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
211 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
215 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
216 __u32 *lens, char **bufs)
218 __u32 size[] = { sizeof(struct ptlrpc_body) };
226 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
228 /* only use new format, we don't need to be compatible with 1.4 */
229 magic = LUSTRE_MSG_MAGIC_V2;
232 case LUSTRE_MSG_MAGIC_V2:
233 return lustre_pack_request_v2(req, count, lens, bufs);
235 LASSERTF(0, "incorrect message magic: %08x\n", magic);
241 struct list_head ptlrpc_rs_debug_lru =
242 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
243 spinlock_t ptlrpc_rs_debug_lock;
245 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
247 spin_lock(&ptlrpc_rs_debug_lock); \
248 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
249 spin_unlock(&ptlrpc_rs_debug_lock); \
252 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
254 spin_lock(&ptlrpc_rs_debug_lock); \
255 list_del(&(rs)->rs_debug_list); \
256 spin_unlock(&ptlrpc_rs_debug_lock); \
259 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
260 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
263 struct ptlrpc_reply_state *
264 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
266 struct ptlrpc_reply_state *rs = NULL;
268 spin_lock(&svcpt->scp_rep_lock);
270 /* See if we have anything in a pool, and wait if nothing */
271 while (list_empty(&svcpt->scp_rep_idle)) {
274 spin_unlock(&svcpt->scp_rep_lock);
275 /* If we cannot get anything for some long time, we better
276 * bail out instead of waiting infinitely */
277 rc = wait_event_idle_timeout(svcpt->scp_rep_waitq,
278 !list_empty(&svcpt->scp_rep_idle),
279 cfs_time_seconds(10));
282 spin_lock(&svcpt->scp_rep_lock);
285 rs = list_first_entry(&svcpt->scp_rep_idle,
286 struct ptlrpc_reply_state, rs_list);
287 list_del(&rs->rs_list);
289 spin_unlock(&svcpt->scp_rep_lock);
291 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
292 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
293 rs->rs_svcpt = svcpt;
299 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
301 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
303 spin_lock(&svcpt->scp_rep_lock);
304 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
305 spin_unlock(&svcpt->scp_rep_lock);
306 wake_up(&svcpt->scp_rep_waitq);
309 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
310 __u32 *lens, char **bufs, int flags)
312 struct ptlrpc_reply_state *rs;
316 LASSERT(req->rq_reply_state == NULL);
319 if ((flags & LPRFL_EARLY_REPLY) == 0) {
320 spin_lock(&req->rq_lock);
321 req->rq_packed_final = 1;
322 spin_unlock(&req->rq_lock);
325 msg_len = lustre_msg_size_v2(count, lens);
326 rc = sptlrpc_svc_alloc_rs(req, msg_len);
330 rs = req->rq_reply_state;
331 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
332 rs->rs_cb_id.cbid_fn = reply_out_callback;
333 rs->rs_cb_id.cbid_arg = rs;
334 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
335 INIT_LIST_HEAD(&rs->rs_exp_list);
336 INIT_LIST_HEAD(&rs->rs_obd_list);
337 INIT_LIST_HEAD(&rs->rs_list);
338 spin_lock_init(&rs->rs_lock);
340 req->rq_replen = msg_len;
341 req->rq_reply_state = rs;
342 req->rq_repmsg = rs->rs_msg;
344 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
345 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
347 PTLRPC_RS_DEBUG_LRU_ADD(rs);
351 EXPORT_SYMBOL(lustre_pack_reply_v2);
353 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
354 char **bufs, int flags)
357 __u32 size[] = { sizeof(struct ptlrpc_body) };
365 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
367 switch (req->rq_reqmsg->lm_magic) {
368 case LUSTRE_MSG_MAGIC_V2:
369 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
372 LASSERTF(0, "incorrect message magic: %08x\n",
373 req->rq_reqmsg->lm_magic);
377 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
378 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
382 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
385 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
387 EXPORT_SYMBOL(lustre_pack_reply);
389 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, __u32 n, __u32 min_size)
391 __u32 i, offset, buflen, bufcount;
394 LASSERT(m->lm_bufcount > 0);
396 bufcount = m->lm_bufcount;
397 if (unlikely(n >= bufcount)) {
398 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
403 buflen = m->lm_buflens[n];
404 if (unlikely(buflen < min_size)) {
405 CERROR("msg %p buffer[%d] size %d too small "
406 "(required %d, opc=%d)\n", m, n, buflen, min_size,
407 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
411 offset = lustre_msg_hdr_size_v2(bufcount);
412 for (i = 0; i < n; i++)
413 offset += cfs_size_round(m->lm_buflens[i]);
415 return (char *)m + offset;
418 void *lustre_msg_buf(struct lustre_msg *m, __u32 n, __u32 min_size)
420 switch (m->lm_magic) {
421 case LUSTRE_MSG_MAGIC_V2:
422 return lustre_msg_buf_v2(m, n, min_size);
424 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
429 EXPORT_SYMBOL(lustre_msg_buf);
431 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
432 unsigned int newlen, int move_data)
434 char *tail = NULL, *newpos;
438 LASSERT(msg->lm_bufcount > segment);
439 LASSERT(msg->lm_buflens[segment] >= newlen);
441 if (msg->lm_buflens[segment] == newlen)
444 if (move_data && msg->lm_bufcount > segment + 1) {
445 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
446 for (n = segment + 1; n < msg->lm_bufcount; n++)
447 tail_len += cfs_size_round(msg->lm_buflens[n]);
450 msg->lm_buflens[segment] = newlen;
452 if (tail && tail_len) {
453 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
454 LASSERT(newpos <= tail);
456 memmove(newpos, tail, tail_len);
459 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
463 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
464 * we also move data forward from @segment + 1.
466 * if @newlen == 0, we remove the segment completely, but we still keep the
467 * totally bufcount the same to save possible data moving. this will leave a
468 * unused segment with size 0 at the tail, but that's ok.
470 * return new msg size after shrinking.
473 * + if any buffers higher than @segment has been filled in, must call shrink
474 * with non-zero @move_data.
475 * + caller should NOT keep pointers to msg buffers which higher than @segment
478 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
479 unsigned int newlen, int move_data)
481 switch (msg->lm_magic) {
482 case LUSTRE_MSG_MAGIC_V2:
483 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
485 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
488 EXPORT_SYMBOL(lustre_shrink_msg);
490 static int lustre_grow_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
493 char *tail = NULL, *newpos;
497 LASSERT(msg->lm_bufcount > segment);
498 LASSERT(msg->lm_buflens[segment] <= newlen);
500 if (msg->lm_buflens[segment] == newlen)
503 if (msg->lm_bufcount > segment + 1) {
504 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
505 for (n = segment + 1; n < msg->lm_bufcount; n++)
506 tail_len += cfs_size_round(msg->lm_buflens[n]);
509 msg->lm_buflens[segment] = newlen;
511 if (tail && tail_len) {
512 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
513 memmove(newpos, tail, tail_len);
516 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
520 * for @msg, grow @segment to size @newlen.
521 * Always move higher buffer forward.
523 * return new msg size after growing.
526 * - caller must make sure there is enough space in allocated message buffer
527 * - caller should NOT keep pointers to msg buffers which higher than @segment
530 int lustre_grow_msg(struct lustre_msg *msg, int segment, unsigned int newlen)
532 switch (msg->lm_magic) {
533 case LUSTRE_MSG_MAGIC_V2:
534 return lustre_grow_msg_v2(msg, segment, newlen);
536 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
539 EXPORT_SYMBOL(lustre_grow_msg);
541 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
543 PTLRPC_RS_DEBUG_LRU_DEL(rs);
545 LASSERT(atomic_read(&rs->rs_refcount) == 0);
546 LASSERT(!rs->rs_difficult || rs->rs_handled);
547 LASSERT(!rs->rs_difficult || rs->rs_unlinked);
548 LASSERT(!rs->rs_scheduled);
549 LASSERT(rs->rs_export == NULL);
550 LASSERT(rs->rs_nlocks == 0);
551 LASSERT(list_empty(&rs->rs_exp_list));
552 LASSERT(list_empty(&rs->rs_obd_list));
554 sptlrpc_svc_free_rs(rs);
557 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
559 int swabbed, required_len, i, buflen;
561 /* Now we know the sender speaks my language. */
562 required_len = lustre_msg_hdr_size_v2(0);
563 if (len < required_len) {
564 /* can't even look inside the message */
565 CERROR("message length %d too small for lustre_msg\n", len);
569 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
572 __swab32s(&m->lm_magic);
573 __swab32s(&m->lm_bufcount);
574 __swab32s(&m->lm_secflvr);
575 __swab32s(&m->lm_repsize);
576 __swab32s(&m->lm_cksum);
577 __swab32s(&m->lm_flags);
578 __swab32s(&m->lm_opc);
579 BUILD_BUG_ON(offsetof(typeof(*m), lm_padding_3) == 0);
582 if (m->lm_bufcount == 0 || m->lm_bufcount > PTLRPC_MAX_BUFCOUNT) {
583 CERROR("message bufcount %d is not valid\n", m->lm_bufcount);
586 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
587 if (len < required_len) {
588 /* didn't receive all the buffer lengths */
589 CERROR("message length %d too small for %d buflens\n",
590 len, m->lm_bufcount);
594 for (i = 0; i < m->lm_bufcount; i++) {
596 __swab32s(&m->lm_buflens[i]);
597 buflen = cfs_size_round(m->lm_buflens[i]);
598 if (buflen < 0 || buflen > PTLRPC_MAX_BUFLEN) {
599 CERROR("buffer %d length %d is not valid\n", i, buflen);
602 required_len += buflen;
604 if (len < required_len || required_len > PTLRPC_MAX_BUFLEN) {
605 CERROR("len: %d, required_len %d, bufcount: %d\n",
606 len, required_len, m->lm_bufcount);
607 for (i = 0; i < m->lm_bufcount; i++)
608 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
615 int __lustre_unpack_msg(struct lustre_msg *m, int len)
617 int required_len, rc;
621 * We can provide a slightly better error log, if we check the
622 * message magic and version first. In the future, struct
623 * lustre_msg may grow, and we'd like to log a version mismatch,
624 * rather than a short message.
626 required_len = offsetof(struct lustre_msg, lm_magic) +
628 if (len < required_len) {
629 /* can't even look inside the message */
630 CERROR("message length %d too small for magic/version check\n",
635 rc = lustre_unpack_msg_v2(m, len);
639 EXPORT_SYMBOL(__lustre_unpack_msg);
641 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
645 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
647 req_capsule_set_req_swabbed(&req->rq_pill,
648 MSG_PTLRPC_HEADER_OFF);
654 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
658 rc = __lustre_unpack_msg(req->rq_repmsg, len);
660 req_capsule_set_rep_swabbed(&req->rq_pill,
661 MSG_PTLRPC_HEADER_OFF);
668 lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
669 enum req_location loc, int offset)
671 struct ptlrpc_body *pb;
672 struct lustre_msg_v2 *m;
674 m = loc == RCL_CLIENT ? req->rq_reqmsg : req->rq_repmsg;
676 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
678 CERROR("error unpacking ptlrpc body\n");
681 if (req_capsule_need_swab(&req->rq_pill, loc, offset)) {
682 lustre_swab_ptlrpc_body(pb);
683 req_capsule_set_swabbed(&req->rq_pill, loc, offset);
686 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
687 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
691 if (loc == RCL_SERVER)
692 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
697 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
699 switch (req->rq_reqmsg->lm_magic) {
700 case LUSTRE_MSG_MAGIC_V2:
701 return lustre_unpack_ptlrpc_body_v2(req, RCL_CLIENT, offset);
703 CERROR("bad lustre msg magic: %08x\n",
704 req->rq_reqmsg->lm_magic);
709 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
711 switch (req->rq_repmsg->lm_magic) {
712 case LUSTRE_MSG_MAGIC_V2:
713 return lustre_unpack_ptlrpc_body_v2(req, RCL_SERVER, offset);
715 CERROR("bad lustre msg magic: %08x\n",
716 req->rq_repmsg->lm_magic);
721 static inline __u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, __u32 n)
723 if (n >= m->lm_bufcount)
726 return m->lm_buflens[n];
730 * lustre_msg_buflen - return the length of buffer \a n in message \a m
731 * \param m lustre_msg (request or reply) to look at
732 * \param n message index (base 0)
734 * returns zero for non-existent message indices
736 __u32 lustre_msg_buflen(struct lustre_msg *m, __u32 n)
738 switch (m->lm_magic) {
739 case LUSTRE_MSG_MAGIC_V2:
740 return lustre_msg_buflen_v2(m, n);
742 CERROR("incorrect message magic: %08x\n", m->lm_magic);
746 EXPORT_SYMBOL(lustre_msg_buflen);
749 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len)
751 if (n >= m->lm_bufcount)
754 m->lm_buflens[n] = len;
757 void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len)
759 switch (m->lm_magic) {
760 case LUSTRE_MSG_MAGIC_V2:
761 lustre_msg_set_buflen_v2(m, n, len);
764 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
769 * NB return the bufcount for lustre_msg_v2 format, so if message is packed
770 * in V1 format, the result is one bigger. (add struct ptlrpc_body).
772 __u32 lustre_msg_bufcount(struct lustre_msg *m)
774 switch (m->lm_magic) {
775 case LUSTRE_MSG_MAGIC_V2:
776 return m->lm_bufcount;
778 CERROR("incorrect message magic: %08x\n", m->lm_magic);
783 char *lustre_msg_string(struct lustre_msg *m, __u32 index, __u32 max_len)
785 /* max_len == 0 means the string should fill the buffer */
789 switch (m->lm_magic) {
790 case LUSTRE_MSG_MAGIC_V2:
791 str = lustre_msg_buf_v2(m, index, 0);
792 blen = lustre_msg_buflen_v2(m, index);
795 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
799 CERROR("can't unpack string in msg %p buffer[%d]\n", m, index);
803 slen = strnlen(str, blen);
805 if (slen == blen) { /* not NULL terminated */
806 CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n",
810 if (blen > PTLRPC_MAX_BUFLEN) {
811 CERROR("buffer length of msg %p buffer[%d] is invalid(%d)\n",
817 if (slen != blen - 1) {
818 CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n",
819 m, index, blen, slen);
822 } else if (slen > max_len) {
823 CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n",
824 m, index, blen, slen, max_len);
831 /* Wrap up the normal fixed length cases */
832 static inline void *__lustre_swab_buf(struct lustre_msg *msg, __u32 index,
833 __u32 min_size, void *swabber)
837 LASSERT(msg != NULL);
838 switch (msg->lm_magic) {
839 case LUSTRE_MSG_MAGIC_V2:
840 ptr = lustre_msg_buf_v2(msg, index, min_size);
843 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
846 if (ptr != NULL && swabber != NULL)
847 ((void (*)(void *))swabber)(ptr);
852 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
854 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
855 sizeof(struct ptlrpc_body_v2));
858 enum lustre_msghdr lustre_msghdr_get_flags(struct lustre_msg *msg)
860 switch (msg->lm_magic) {
861 case LUSTRE_MSG_MAGIC_V2:
862 /* already in host endian */
863 return msg->lm_flags;
865 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
869 EXPORT_SYMBOL(lustre_msghdr_get_flags);
871 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
873 switch (msg->lm_magic) {
874 case LUSTRE_MSG_MAGIC_V2:
875 msg->lm_flags = flags;
878 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
882 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
884 switch (msg->lm_magic) {
885 case LUSTRE_MSG_MAGIC_V2: {
886 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
890 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
895 * flags might be printed in debug code while message
901 EXPORT_SYMBOL(lustre_msg_get_flags);
903 void lustre_msg_add_flags(struct lustre_msg *msg, __u32 flags)
905 switch (msg->lm_magic) {
906 case LUSTRE_MSG_MAGIC_V2: {
907 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
908 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
909 pb->pb_flags |= flags;
913 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
916 EXPORT_SYMBOL(lustre_msg_add_flags);
918 void lustre_msg_set_flags(struct lustre_msg *msg, __u32 flags)
920 switch (msg->lm_magic) {
921 case LUSTRE_MSG_MAGIC_V2: {
922 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
923 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
924 pb->pb_flags = flags;
928 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
932 void lustre_msg_clear_flags(struct lustre_msg *msg, __u32 flags)
934 switch (msg->lm_magic) {
935 case LUSTRE_MSG_MAGIC_V2: {
936 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
937 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
938 pb->pb_flags &= ~flags;
943 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
946 EXPORT_SYMBOL(lustre_msg_clear_flags);
948 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
950 switch (msg->lm_magic) {
951 case LUSTRE_MSG_MAGIC_V2: {
952 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
954 return pb->pb_op_flags;
956 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
964 void lustre_msg_add_op_flags(struct lustre_msg *msg, __u32 flags)
966 switch (msg->lm_magic) {
967 case LUSTRE_MSG_MAGIC_V2: {
968 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
969 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
970 pb->pb_op_flags |= flags;
974 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
977 EXPORT_SYMBOL(lustre_msg_add_op_flags);
979 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
981 switch (msg->lm_magic) {
982 case LUSTRE_MSG_MAGIC_V2: {
983 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
985 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
988 return &pb->pb_handle;
991 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
996 __u32 lustre_msg_get_type(struct lustre_msg *msg)
998 switch (msg->lm_magic) {
999 case LUSTRE_MSG_MAGIC_V2: {
1000 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1002 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1003 return PTL_RPC_MSG_ERR;
1008 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1009 return PTL_RPC_MSG_ERR;
1012 EXPORT_SYMBOL(lustre_msg_get_type);
1014 enum lustre_msg_version lustre_msg_get_version(struct lustre_msg *msg)
1016 switch (msg->lm_magic) {
1017 case LUSTRE_MSG_MAGIC_V2: {
1018 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1020 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1023 return pb->pb_version;
1026 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1031 void lustre_msg_add_version(struct lustre_msg *msg, __u32 version)
1033 switch (msg->lm_magic) {
1034 case LUSTRE_MSG_MAGIC_V2: {
1035 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1036 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1037 pb->pb_version |= version;
1041 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1045 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1047 switch (msg->lm_magic) {
1048 case LUSTRE_MSG_MAGIC_V2: {
1049 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1051 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1057 CERROR("incorrect message magic: %08x (msg:%p)\n",
1058 msg->lm_magic, msg);
1062 EXPORT_SYMBOL(lustre_msg_get_opc);
1064 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1066 switch (msg->lm_magic) {
1067 case LUSTRE_MSG_MAGIC_V2: {
1068 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1070 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1073 return pb->pb_last_xid;
1076 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1080 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1082 __u16 lustre_msg_get_tag(struct lustre_msg *msg)
1084 switch (msg->lm_magic) {
1085 case LUSTRE_MSG_MAGIC_V2: {
1086 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1088 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1094 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1098 EXPORT_SYMBOL(lustre_msg_get_tag);
1100 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1102 switch (msg->lm_magic) {
1103 case LUSTRE_MSG_MAGIC_V2: {
1104 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1106 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1109 return pb->pb_last_committed;
1112 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1116 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1118 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1120 switch (msg->lm_magic) {
1121 case LUSTRE_MSG_MAGIC_V2: {
1122 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1124 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1127 return pb->pb_pre_versions;
1130 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1134 EXPORT_SYMBOL(lustre_msg_get_versions);
1136 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1138 switch (msg->lm_magic) {
1139 case LUSTRE_MSG_MAGIC_V2: {
1140 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1142 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1145 return pb->pb_transno;
1148 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1152 EXPORT_SYMBOL(lustre_msg_get_transno);
1154 int lustre_msg_get_status(struct lustre_msg *msg)
1156 switch (msg->lm_magic) {
1157 case LUSTRE_MSG_MAGIC_V2: {
1158 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1160 return pb->pb_status;
1161 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1166 * status might be printed in debug code while message
1172 EXPORT_SYMBOL(lustre_msg_get_status);
1174 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1176 switch (msg->lm_magic) {
1177 case LUSTRE_MSG_MAGIC_V2: {
1178 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1180 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1186 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1192 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1194 switch (msg->lm_magic) {
1195 case LUSTRE_MSG_MAGIC_V2: {
1196 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1198 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1205 CERROR("invalid msg magic %x\n", msg->lm_magic);
1210 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1212 switch (msg->lm_magic) {
1213 case LUSTRE_MSG_MAGIC_V2: {
1214 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1216 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1219 return pb->pb_limit;
1222 CERROR("invalid msg magic %x\n", msg->lm_magic);
1228 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1230 switch (msg->lm_magic) {
1231 case LUSTRE_MSG_MAGIC_V2: {
1232 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1234 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1237 pb->pb_limit = limit;
1241 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1246 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1248 switch (msg->lm_magic) {
1249 case LUSTRE_MSG_MAGIC_V2: {
1250 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1252 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1255 return pb->pb_conn_cnt;
1258 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1262 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1264 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1266 switch (msg->lm_magic) {
1267 case LUSTRE_MSG_MAGIC_V2:
1268 return msg->lm_magic;
1270 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1275 timeout_t lustre_msg_get_timeout(struct lustre_msg *msg)
1277 switch (msg->lm_magic) {
1278 case LUSTRE_MSG_MAGIC_V2: {
1279 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1282 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1285 return pb->pb_timeout;
1288 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1293 timeout_t lustre_msg_get_service_timeout(struct lustre_msg *msg)
1295 switch (msg->lm_magic) {
1296 case LUSTRE_MSG_MAGIC_V2: {
1297 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1300 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1303 return pb->pb_service_time;
1306 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1311 int lustre_msg_get_uid_gid(struct lustre_msg *msg, __u32 *uid, __u32 *gid)
1313 switch (msg->lm_magic) {
1314 case LUSTRE_MSG_MAGIC_V2: {
1315 struct ptlrpc_body *pb;
1317 /* the old pltrpc_body_v2 is smaller; doesn't include uid/gid */
1318 if (msg->lm_buflens[MSG_PTLRPC_BODY_OFF] <
1319 sizeof(struct ptlrpc_body))
1322 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1323 sizeof(struct ptlrpc_body));
1325 if (!pb || !(pb->pb_flags & MSG_PACK_UID_GID))
1336 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1340 EXPORT_SYMBOL(lustre_msg_get_uid_gid);
1342 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1344 switch (msg->lm_magic) {
1345 case LUSTRE_MSG_MAGIC_V2: {
1346 struct ptlrpc_body *pb;
1348 /* the old pltrpc_body_v2 is smaller; doesn't include jobid */
1349 if (msg->lm_buflens[MSG_PTLRPC_BODY_OFF] <
1350 sizeof(struct ptlrpc_body))
1353 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1354 sizeof(struct ptlrpc_body));
1358 /* If clients send unterminated jobids, terminate them here
1359 * so that there is no chance of string overflow later.
1361 if (unlikely(pb->pb_jobid[LUSTRE_JOBID_SIZE - 1] != '\0'))
1362 pb->pb_jobid[LUSTRE_JOBID_SIZE - 1] = '\0';
1364 return pb->pb_jobid;
1367 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1371 EXPORT_SYMBOL(lustre_msg_get_jobid);
1373 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1375 switch (msg->lm_magic) {
1376 case LUSTRE_MSG_MAGIC_V2:
1377 return msg->lm_cksum;
1379 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1384 __u64 lustre_msg_get_mbits(struct lustre_msg *msg)
1386 switch (msg->lm_magic) {
1387 case LUSTRE_MSG_MAGIC_V2: {
1388 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1390 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1393 return pb->pb_mbits;
1396 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1401 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, __u32 buf)
1403 switch (msg->lm_magic) {
1404 case LUSTRE_MSG_MAGIC_V2: {
1405 struct ptlrpc_body *pb = lustre_msg_buf_v2(msg, buf, 0);
1406 __u32 len = lustre_msg_buflen(msg, buf);
1409 #if IS_ENABLED(CONFIG_CRC32)
1410 /* about 10x faster than crypto_hash for small buffers */
1411 crc = crc32_le(~(__u32)0, (unsigned char *)pb, len);
1412 #elif IS_ENABLED(CONFIG_CRYPTO_CRC32)
1413 unsigned int hsize = 4;
1415 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1416 len, NULL, 0, (unsigned char *)&crc,
1419 #error "need either CONFIG_CRC32 or CONFIG_CRYPTO_CRC32 enabled in the kernel"
1424 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1429 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1431 switch (msg->lm_magic) {
1432 case LUSTRE_MSG_MAGIC_V2: {
1433 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1434 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1435 pb->pb_handle = *handle;
1439 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1443 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1445 switch (msg->lm_magic) {
1446 case LUSTRE_MSG_MAGIC_V2: {
1447 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1448 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1453 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1457 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1459 switch (msg->lm_magic) {
1460 case LUSTRE_MSG_MAGIC_V2: {
1461 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1462 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1467 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1471 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
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_xid = last_xid;
1481 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1484 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1486 void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag)
1488 switch (msg->lm_magic) {
1489 case LUSTRE_MSG_MAGIC_V2: {
1490 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1491 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1496 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1499 EXPORT_SYMBOL(lustre_msg_set_tag);
1501 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1503 switch (msg->lm_magic) {
1504 case LUSTRE_MSG_MAGIC_V2: {
1505 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1506 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1507 pb->pb_last_committed = last_committed;
1511 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1515 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1517 switch (msg->lm_magic) {
1518 case LUSTRE_MSG_MAGIC_V2: {
1519 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1520 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1521 pb->pb_pre_versions[0] = versions[0];
1522 pb->pb_pre_versions[1] = versions[1];
1523 pb->pb_pre_versions[2] = versions[2];
1524 pb->pb_pre_versions[3] = versions[3];
1528 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1531 EXPORT_SYMBOL(lustre_msg_set_versions);
1533 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
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_transno = transno;
1543 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1546 EXPORT_SYMBOL(lustre_msg_set_transno);
1548 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1550 switch (msg->lm_magic) {
1551 case LUSTRE_MSG_MAGIC_V2: {
1552 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1553 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1554 pb->pb_status = status;
1558 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1561 EXPORT_SYMBOL(lustre_msg_set_status);
1563 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1565 switch (msg->lm_magic) {
1566 case LUSTRE_MSG_MAGIC_V2: {
1567 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1568 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1569 pb->pb_conn_cnt = conn_cnt;
1573 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1577 void lustre_msg_set_timeout(struct lustre_msg *msg, timeout_t timeout)
1579 switch (msg->lm_magic) {
1580 case LUSTRE_MSG_MAGIC_V2: {
1581 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1583 LASSERT(timeout >= 0);
1584 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1585 pb->pb_timeout = timeout;
1589 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1593 void lustre_msg_set_service_timeout(struct lustre_msg *msg,
1594 timeout_t service_timeout)
1596 switch (msg->lm_magic) {
1597 case LUSTRE_MSG_MAGIC_V2: {
1598 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1600 LASSERT(service_timeout >= 0);
1601 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1602 pb->pb_service_time = service_timeout;
1606 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1610 void lustre_msg_set_uid_gid(struct lustre_msg *msg, __u32 *uid, __u32 *gid)
1612 switch (msg->lm_magic) {
1613 case LUSTRE_MSG_MAGIC_V2: {
1614 __u32 opc = lustre_msg_get_opc(msg);
1615 struct ptlrpc_body *pb;
1617 /* Don't set uid/gid for ldlm ast RPCs */
1618 if (!opc || opc == LDLM_BL_CALLBACK ||
1619 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1622 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1623 sizeof(struct ptlrpc_body));
1624 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1629 pb->pb_flags |= MSG_PACK_UID_GID;
1630 } else if (!(pb->pb_flags & MSG_PACK_UID_GID)) {
1631 pb->pb_uid = from_kuid(&init_user_ns, current_uid());
1632 pb->pb_gid = from_kgid(&init_user_ns, current_gid());
1633 pb->pb_flags |= MSG_PACK_UID_GID;
1639 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1642 EXPORT_SYMBOL(lustre_msg_set_uid_gid);
1644 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1646 switch (msg->lm_magic) {
1647 case LUSTRE_MSG_MAGIC_V2: {
1648 __u32 opc = lustre_msg_get_opc(msg);
1649 struct ptlrpc_body *pb;
1651 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1652 * See the comment in ptlrpc_request_pack(). */
1653 if (!opc || opc == LDLM_BL_CALLBACK ||
1654 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1657 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1658 sizeof(struct ptlrpc_body));
1659 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1662 memcpy(pb->pb_jobid, jobid, sizeof(pb->pb_jobid));
1663 else if (pb->pb_jobid[0] == '\0')
1664 lustre_get_jobid(pb->pb_jobid, sizeof(pb->pb_jobid));
1668 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1671 EXPORT_SYMBOL(lustre_msg_set_jobid);
1673 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1675 switch (msg->lm_magic) {
1676 case LUSTRE_MSG_MAGIC_V2:
1677 msg->lm_cksum = cksum;
1680 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1684 void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits)
1686 switch (msg->lm_magic) {
1687 case LUSTRE_MSG_MAGIC_V2: {
1688 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1690 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1691 pb->pb_mbits = mbits;
1695 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1699 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1701 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1703 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1704 req->rq_pill.rc_area[RCL_SERVER]);
1705 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1706 req->rq_reqmsg->lm_repsize = req->rq_replen;
1708 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1710 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1712 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1713 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1714 req->rq_reqmsg->lm_repsize = req->rq_replen;
1718 * Send a remote set_info_async.
1720 * This may go from client to server or server to client.
1722 int do_set_info_async(struct obd_import *imp,
1723 int opcode, int version,
1724 size_t keylen, void *key,
1725 size_t vallen, void *val,
1726 struct ptlrpc_request_set *set)
1728 struct ptlrpc_request *req;
1734 req = ptlrpc_request_alloc(imp, KEY_IS(KEY_CHANGELOG_CLEAR) ?
1740 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1741 RCL_CLIENT, keylen);
1742 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1743 RCL_CLIENT, vallen);
1744 rc = ptlrpc_request_pack(req, version, opcode);
1746 ptlrpc_request_free(req);
1750 if (KEY_IS(KEY_CHANGELOG_CLEAR))
1753 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1754 memcpy(tmp, key, keylen);
1755 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1756 memcpy(tmp, val, vallen);
1758 ptlrpc_request_set_replen(req);
1761 ptlrpc_set_add_req(set, req);
1762 ptlrpc_check_set(NULL, set);
1764 rc = ptlrpc_queue_wait(req);
1765 ptlrpc_req_finished(req);
1770 EXPORT_SYMBOL(do_set_info_async);
1772 /* byte flipping routines for all wire types declared in
1773 * lustre_idl.h implemented here.
1775 void lustre_swab_ptlrpc_body(struct ptlrpc_body *body)
1777 __swab32s(&body->pb_type);
1778 __swab32s(&body->pb_version);
1779 __swab32s(&body->pb_opc);
1780 __swab32s(&body->pb_status);
1781 __swab64s(&body->pb_last_xid);
1782 __swab16s(&body->pb_tag);
1783 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding0) == 0);
1784 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding1) == 0);
1785 __swab64s(&body->pb_last_committed);
1786 __swab64s(&body->pb_transno);
1787 __swab32s(&body->pb_flags);
1788 __swab32s(&body->pb_op_flags);
1789 __swab32s(&body->pb_conn_cnt);
1790 __swab32s(&body->pb_timeout);
1791 __swab32s(&body->pb_service_time);
1792 __swab32s(&body->pb_limit);
1793 __swab64s(&body->pb_slv);
1794 __swab64s(&body->pb_pre_versions[0]);
1795 __swab64s(&body->pb_pre_versions[1]);
1796 __swab64s(&body->pb_pre_versions[2]);
1797 __swab64s(&body->pb_pre_versions[3]);
1798 __swab64s(&body->pb_mbits);
1799 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding64_0) == 0);
1800 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding64_1) == 0);
1801 __swab32s(&body->pb_uid);
1802 __swab32s(&body->pb_gid);
1804 * While we need to maintain compatibility between
1805 * clients and servers without ptlrpc_body_v2 (< 2.3)
1806 * do not swab any fields beyond pb_jobid, as we are
1807 * using this swab function for both ptlrpc_body
1808 * and ptlrpc_body_v2.
1810 /* pb_jobid is an ASCII string and should not be swabbed */
1811 BUILD_BUG_ON(offsetof(typeof(*body), pb_jobid) == 0);
1814 void lustre_swab_connect(struct obd_connect_data *ocd)
1816 __swab64s(&ocd->ocd_connect_flags);
1817 __swab32s(&ocd->ocd_version);
1818 __swab32s(&ocd->ocd_grant);
1819 __swab64s(&ocd->ocd_ibits_known);
1820 __swab32s(&ocd->ocd_index);
1821 __swab32s(&ocd->ocd_brw_size);
1823 * ocd_blocksize and ocd_inodespace don't need to be swabbed because
1824 * they are 8-byte values
1826 __swab16s(&ocd->ocd_grant_tax_kb);
1827 __swab32s(&ocd->ocd_grant_max_blks);
1828 __swab64s(&ocd->ocd_transno);
1829 __swab32s(&ocd->ocd_group);
1830 __swab32s(&ocd->ocd_cksum_types);
1831 __swab32s(&ocd->ocd_instance);
1833 * Fields after ocd_cksum_types are only accessible by the receiver
1834 * if the corresponding flag in ocd_connect_flags is set. Accessing
1835 * any field after ocd_maxbytes on the receiver without a valid flag
1836 * may result in out-of-bound memory access and kernel oops.
1838 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1839 __swab32s(&ocd->ocd_max_easize);
1840 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1841 __swab64s(&ocd->ocd_maxbytes);
1842 if (ocd->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS)
1843 __swab16s(&ocd->ocd_maxmodrpcs);
1844 BUILD_BUG_ON(offsetof(typeof(*ocd), padding0) == 0);
1845 BUILD_BUG_ON(offsetof(typeof(*ocd), padding1) == 0);
1846 if (ocd->ocd_connect_flags & OBD_CONNECT_FLAGS2)
1847 __swab64s(&ocd->ocd_connect_flags2);
1848 BUILD_BUG_ON(offsetof(typeof(*ocd), padding3) == 0);
1849 BUILD_BUG_ON(offsetof(typeof(*ocd), padding4) == 0);
1850 BUILD_BUG_ON(offsetof(typeof(*ocd), padding5) == 0);
1851 BUILD_BUG_ON(offsetof(typeof(*ocd), padding6) == 0);
1852 BUILD_BUG_ON(offsetof(typeof(*ocd), padding7) == 0);
1853 BUILD_BUG_ON(offsetof(typeof(*ocd), padding8) == 0);
1854 BUILD_BUG_ON(offsetof(typeof(*ocd), padding9) == 0);
1855 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingA) == 0);
1856 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingB) == 0);
1857 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingC) == 0);
1858 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingD) == 0);
1859 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingE) == 0);
1860 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingF) == 0);
1863 static void lustre_swab_ost_layout(struct ost_layout *ol)
1865 __swab32s(&ol->ol_stripe_size);
1866 __swab32s(&ol->ol_stripe_count);
1867 __swab64s(&ol->ol_comp_start);
1868 __swab64s(&ol->ol_comp_end);
1869 __swab32s(&ol->ol_comp_id);
1872 void lustre_swab_obdo(struct obdo *o)
1874 __swab64s(&o->o_valid);
1875 lustre_swab_ost_id(&o->o_oi);
1876 __swab64s(&o->o_parent_seq);
1877 __swab64s(&o->o_size);
1878 __swab64s(&o->o_mtime);
1879 __swab64s(&o->o_atime);
1880 __swab64s(&o->o_ctime);
1881 __swab64s(&o->o_blocks);
1882 __swab64s(&o->o_grant);
1883 __swab32s(&o->o_blksize);
1884 __swab32s(&o->o_mode);
1885 __swab32s(&o->o_uid);
1886 __swab32s(&o->o_gid);
1887 __swab32s(&o->o_flags);
1888 __swab32s(&o->o_nlink);
1889 __swab32s(&o->o_parent_oid);
1890 __swab32s(&o->o_misc);
1891 __swab64s(&o->o_ioepoch);
1892 __swab32s(&o->o_stripe_idx);
1893 __swab32s(&o->o_parent_ver);
1894 lustre_swab_ost_layout(&o->o_layout);
1895 __swab32s(&o->o_layout_version);
1896 __swab32s(&o->o_uid_h);
1897 __swab32s(&o->o_gid_h);
1898 __swab64s(&o->o_data_version);
1899 __swab32s(&o->o_projid);
1900 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_4) == 0);
1901 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_5) == 0);
1902 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_6) == 0);
1905 EXPORT_SYMBOL(lustre_swab_obdo);
1907 void lustre_swab_obd_statfs(struct obd_statfs *os)
1909 __swab64s(&os->os_type);
1910 __swab64s(&os->os_blocks);
1911 __swab64s(&os->os_bfree);
1912 __swab64s(&os->os_bavail);
1913 __swab64s(&os->os_files);
1914 __swab64s(&os->os_ffree);
1915 /* no need to swab os_fsid */
1916 __swab32s(&os->os_bsize);
1917 __swab32s(&os->os_namelen);
1918 __swab64s(&os->os_maxbytes);
1919 __swab32s(&os->os_state);
1920 __swab32s(&os->os_fprecreated);
1921 __swab32s(&os->os_granted);
1922 BUILD_BUG_ON(offsetof(typeof(*os), os_spare3) == 0);
1923 BUILD_BUG_ON(offsetof(typeof(*os), os_spare4) == 0);
1924 BUILD_BUG_ON(offsetof(typeof(*os), os_spare5) == 0);
1925 BUILD_BUG_ON(offsetof(typeof(*os), os_spare6) == 0);
1926 BUILD_BUG_ON(offsetof(typeof(*os), os_spare7) == 0);
1927 BUILD_BUG_ON(offsetof(typeof(*os), os_spare8) == 0);
1928 BUILD_BUG_ON(offsetof(typeof(*os), os_spare9) == 0);
1931 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1933 lustre_swab_ost_id(&ioo->ioo_oid);
1934 __swab32s(&ioo->ioo_max_brw);
1935 __swab32s(&ioo->ioo_bufcnt);
1938 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1940 __swab64s(&nbr->rnb_offset);
1941 __swab32s(&nbr->rnb_len);
1942 __swab32s(&nbr->rnb_flags);
1945 void lustre_swab_ost_body(struct ost_body *b)
1947 lustre_swab_obdo(&b->oa);
1950 void lustre_swab_ost_last_id(u64 *id)
1955 void lustre_swab_generic_32s(__u32 *val)
1960 void lustre_swab_gl_lquota_desc(struct ldlm_gl_lquota_desc *desc)
1962 lustre_swab_lu_fid(&desc->gl_id.qid_fid);
1963 __swab64s(&desc->gl_flags);
1964 __swab64s(&desc->gl_ver);
1965 __swab64s(&desc->gl_hardlimit);
1966 __swab64s(&desc->gl_softlimit);
1967 __swab64s(&desc->gl_time);
1968 BUILD_BUG_ON(offsetof(typeof(*desc), gl_pad2) == 0);
1970 EXPORT_SYMBOL(lustre_swab_gl_lquota_desc);
1972 void lustre_swab_gl_barrier_desc(struct ldlm_gl_barrier_desc *desc)
1974 __swab32s(&desc->lgbd_status);
1975 __swab32s(&desc->lgbd_timeout);
1976 BUILD_BUG_ON(offsetof(typeof(*desc), lgbd_padding) == 0);
1978 EXPORT_SYMBOL(lustre_swab_gl_barrier_desc);
1980 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1982 __swab64s(&lvb->lvb_size);
1983 __swab64s(&lvb->lvb_mtime);
1984 __swab64s(&lvb->lvb_atime);
1985 __swab64s(&lvb->lvb_ctime);
1986 __swab64s(&lvb->lvb_blocks);
1988 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1990 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1992 __swab64s(&lvb->lvb_size);
1993 __swab64s(&lvb->lvb_mtime);
1994 __swab64s(&lvb->lvb_atime);
1995 __swab64s(&lvb->lvb_ctime);
1996 __swab64s(&lvb->lvb_blocks);
1997 __swab32s(&lvb->lvb_mtime_ns);
1998 __swab32s(&lvb->lvb_atime_ns);
1999 __swab32s(&lvb->lvb_ctime_ns);
2000 __swab32s(&lvb->lvb_padding);
2002 EXPORT_SYMBOL(lustre_swab_ost_lvb);
2004 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
2006 __swab64s(&lvb->lvb_flags);
2007 __swab64s(&lvb->lvb_id_may_rel);
2008 __swab64s(&lvb->lvb_id_rel);
2009 __swab64s(&lvb->lvb_id_qunit);
2010 __swab64s(&lvb->lvb_pad1);
2012 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
2014 void lustre_swab_barrier_lvb(struct barrier_lvb *lvb)
2016 __swab32s(&lvb->lvb_status);
2017 __swab32s(&lvb->lvb_index);
2018 BUILD_BUG_ON(offsetof(typeof(*lvb), lvb_padding) == 0);
2020 EXPORT_SYMBOL(lustre_swab_barrier_lvb);
2022 void lustre_swab_mdt_body(struct mdt_body *b)
2024 lustre_swab_lu_fid(&b->mbo_fid1);
2025 lustre_swab_lu_fid(&b->mbo_fid2);
2026 /* handle is opaque */
2027 __swab64s(&b->mbo_valid);
2028 __swab64s(&b->mbo_size);
2029 __swab64s(&b->mbo_mtime);
2030 __swab64s(&b->mbo_atime);
2031 __swab64s(&b->mbo_ctime);
2032 __swab64s(&b->mbo_blocks);
2033 __swab64s(&b->mbo_version);
2034 __swab64s(&b->mbo_t_state);
2035 __swab32s(&b->mbo_fsuid);
2036 __swab32s(&b->mbo_fsgid);
2037 __swab32s(&b->mbo_capability);
2038 __swab32s(&b->mbo_mode);
2039 __swab32s(&b->mbo_uid);
2040 __swab32s(&b->mbo_gid);
2041 __swab32s(&b->mbo_flags);
2042 __swab32s(&b->mbo_rdev);
2043 __swab32s(&b->mbo_nlink);
2044 __swab32s(&b->mbo_layout_gen);
2045 __swab32s(&b->mbo_suppgid);
2046 __swab32s(&b->mbo_eadatasize);
2047 __swab32s(&b->mbo_aclsize);
2048 __swab32s(&b->mbo_max_mdsize);
2049 BUILD_BUG_ON(offsetof(typeof(*b), mbo_unused3) == 0);
2050 __swab32s(&b->mbo_uid_h);
2051 __swab32s(&b->mbo_gid_h);
2052 __swab32s(&b->mbo_projid);
2053 __swab64s(&b->mbo_dom_size);
2054 __swab64s(&b->mbo_dom_blocks);
2055 __swab64s(&b->mbo_btime);
2056 BUILD_BUG_ON(offsetof(typeof(*b), mbo_padding_9) == 0);
2057 BUILD_BUG_ON(offsetof(typeof(*b), mbo_padding_10) == 0);
2060 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
2062 /* mio_open_handle is opaque */
2063 BUILD_BUG_ON(offsetof(typeof(*b), mio_unused1) == 0);
2064 BUILD_BUG_ON(offsetof(typeof(*b), mio_unused2) == 0);
2065 BUILD_BUG_ON(offsetof(typeof(*b), mio_padding) == 0);
2068 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
2072 __swab32s(&mti->mti_lustre_ver);
2073 __swab32s(&mti->mti_stripe_index);
2074 __swab32s(&mti->mti_config_ver);
2075 __swab32s(&mti->mti_flags);
2076 __swab32s(&mti->mti_instance);
2077 __swab32s(&mti->mti_nid_count);
2078 BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64));
2079 for (i = 0; i < MTI_NIDS_MAX; i++)
2080 __swab64s(&mti->mti_nids[i]);
2083 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
2087 __swab64s(&entry->mne_version);
2088 __swab32s(&entry->mne_instance);
2089 __swab32s(&entry->mne_index);
2090 __swab32s(&entry->mne_length);
2092 /* mne_nid_(count|type) must be one byte size because we're gonna
2093 * access it w/o swapping. */
2094 BUILD_BUG_ON(sizeof(entry->mne_nid_count) != sizeof(__u8));
2095 BUILD_BUG_ON(sizeof(entry->mne_nid_type) != sizeof(__u8));
2097 /* remove this assertion if ipv6 is supported. */
2098 LASSERT(entry->mne_nid_type == 0);
2099 for (i = 0; i < entry->mne_nid_count; i++) {
2100 BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64));
2101 __swab64s(&entry->u.nids[i]);
2104 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
2106 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
2108 __swab64s(&body->mcb_offset);
2109 __swab32s(&body->mcb_units);
2110 __swab16s(&body->mcb_type);
2113 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
2115 __swab64s(&body->mcr_offset);
2116 __swab64s(&body->mcr_size);
2119 static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i)
2121 __swab64s(&i->dqi_bgrace);
2122 __swab64s(&i->dqi_igrace);
2123 __swab32s(&i->dqi_flags);
2124 __swab32s(&i->dqi_valid);
2127 static void lustre_swab_obd_dqblk(struct obd_dqblk *b)
2129 __swab64s(&b->dqb_ihardlimit);
2130 __swab64s(&b->dqb_isoftlimit);
2131 __swab64s(&b->dqb_curinodes);
2132 __swab64s(&b->dqb_bhardlimit);
2133 __swab64s(&b->dqb_bsoftlimit);
2134 __swab64s(&b->dqb_curspace);
2135 __swab64s(&b->dqb_btime);
2136 __swab64s(&b->dqb_itime);
2137 __swab32s(&b->dqb_valid);
2138 BUILD_BUG_ON(offsetof(typeof(*b), dqb_padding) == 0);
2141 int lustre_swab_obd_quotactl(struct obd_quotactl *q, __u32 len)
2143 if (unlikely(len <= sizeof(struct obd_quotactl)))
2146 __swab32s(&q->qc_cmd);
2147 __swab32s(&q->qc_type);
2148 __swab32s(&q->qc_id);
2149 __swab32s(&q->qc_stat);
2150 lustre_swab_obd_dqinfo(&q->qc_dqinfo);
2151 lustre_swab_obd_dqblk(&q->qc_dqblk);
2156 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
2158 lustre_swab_lu_fid(&gf->gf_fid);
2159 __swab64s(&gf->gf_recno);
2160 __swab32s(&gf->gf_linkno);
2161 __swab32s(&gf->gf_pathlen);
2163 EXPORT_SYMBOL(lustre_swab_fid2path);
2165 static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent)
2167 __swab64s(&fm_extent->fe_logical);
2168 __swab64s(&fm_extent->fe_physical);
2169 __swab64s(&fm_extent->fe_length);
2170 __swab32s(&fm_extent->fe_flags);
2171 __swab32s(&fm_extent->fe_device);
2174 static void lustre_swab_fiemap_hdr(struct fiemap *fiemap)
2176 __swab64s(&fiemap->fm_start);
2177 __swab64s(&fiemap->fm_length);
2178 __swab32s(&fiemap->fm_flags);
2179 __swab32s(&fiemap->fm_mapped_extents);
2180 __swab32s(&fiemap->fm_extent_count);
2181 __swab32s(&fiemap->fm_reserved);
2184 int lustre_swab_fiemap(struct fiemap *fiemap, __u32 len)
2186 __u32 i, size, count;
2188 lustre_swab_fiemap_hdr(fiemap);
2190 size = fiemap_count_to_size(fiemap->fm_mapped_extents);
2191 count = fiemap->fm_mapped_extents;
2192 if (unlikely(size > len)) {
2193 count = (len - sizeof(struct fiemap)) /
2194 sizeof(struct fiemap_extent);
2195 fiemap->fm_mapped_extents = count;
2198 /* still swab extents as we cannot yet pass rc to callers */
2199 for (i = 0; i < count; i++)
2200 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2205 void lustre_swab_fiemap_info_key(struct ll_fiemap_info_key *fiemap_info)
2207 lustre_swab_obdo(&fiemap_info->lfik_oa);
2208 lustre_swab_fiemap_hdr(&fiemap_info->lfik_fiemap);
2211 void lustre_swab_idx_info(struct idx_info *ii)
2213 __swab32s(&ii->ii_magic);
2214 __swab32s(&ii->ii_flags);
2215 __swab16s(&ii->ii_count);
2216 __swab32s(&ii->ii_attrs);
2217 lustre_swab_lu_fid(&ii->ii_fid);
2218 __swab64s(&ii->ii_version);
2219 __swab64s(&ii->ii_hash_start);
2220 __swab64s(&ii->ii_hash_end);
2221 __swab16s(&ii->ii_keysize);
2222 __swab16s(&ii->ii_recsize);
2225 void lustre_swab_lip_header(struct lu_idxpage *lip)
2228 __swab32s(&lip->lip_magic);
2229 __swab16s(&lip->lip_flags);
2230 __swab16s(&lip->lip_nr);
2232 EXPORT_SYMBOL(lustre_swab_lip_header);
2234 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2236 __swab32s(&rr->rr_opcode);
2237 __swab32s(&rr->rr_cap);
2238 __swab32s(&rr->rr_fsuid);
2239 /* rr_fsuid_h is unused */
2240 __swab32s(&rr->rr_fsgid);
2241 /* rr_fsgid_h is unused */
2242 __swab32s(&rr->rr_suppgid1);
2243 /* rr_suppgid1_h is unused */
2244 __swab32s(&rr->rr_suppgid2);
2245 /* rr_suppgid2_h is unused */
2246 lustre_swab_lu_fid(&rr->rr_fid1);
2247 lustre_swab_lu_fid(&rr->rr_fid2);
2248 __swab64s(&rr->rr_mtime);
2249 __swab64s(&rr->rr_atime);
2250 __swab64s(&rr->rr_ctime);
2251 __swab64s(&rr->rr_size);
2252 __swab64s(&rr->rr_blocks);
2253 __swab32s(&rr->rr_bias);
2254 __swab32s(&rr->rr_mode);
2255 __swab32s(&rr->rr_flags);
2256 __swab32s(&rr->rr_flags_h);
2257 __swab32s(&rr->rr_umask);
2258 __swab16s(&rr->rr_mirror_id);
2260 BUILD_BUG_ON(offsetof(typeof(*rr), rr_padding_4) == 0);
2263 void lustre_swab_lov_desc(struct lov_desc *ld)
2265 __swab32s(&ld->ld_tgt_count);
2266 __swab32s(&ld->ld_active_tgt_count);
2267 __swab32s(&ld->ld_default_stripe_count);
2268 __swab32s(&ld->ld_pattern);
2269 __swab64s(&ld->ld_default_stripe_size);
2270 __swab64s(&ld->ld_default_stripe_offset);
2271 __swab32s(&ld->ld_qos_maxage);
2272 /* uuid endian insensitive */
2274 EXPORT_SYMBOL(lustre_swab_lov_desc);
2276 void lustre_swab_lmv_desc(struct lmv_desc *ld)
2278 __swab32s(&ld->ld_tgt_count);
2279 __swab32s(&ld->ld_active_tgt_count);
2280 __swab32s(&ld->ld_default_stripe_count);
2281 __swab32s(&ld->ld_pattern);
2282 __swab64s(&ld->ld_default_hash_size);
2283 __swab32s(&ld->ld_qos_maxage);
2284 /* uuid endian insensitive */
2287 /* This structure is always in little-endian */
2288 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2292 __swab32s(&lmm1->lmv_magic);
2293 __swab32s(&lmm1->lmv_stripe_count);
2294 __swab32s(&lmm1->lmv_master_mdt_index);
2295 __swab32s(&lmm1->lmv_hash_type);
2296 __swab32s(&lmm1->lmv_layout_version);
2297 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2298 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2301 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2303 switch (lmm->lmv_magic) {
2305 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2311 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
2313 void lustre_swab_lmv_user_md_objects(struct lmv_user_mds_data *lmd,
2318 for (i = 0; i < stripe_count; i++)
2319 __swab32s(&(lmd[i].lum_mds));
2321 EXPORT_SYMBOL(lustre_swab_lmv_user_md_objects);
2324 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2328 if (lum->lum_magic == LMV_MAGIC_FOREIGN) {
2329 __swab32s(&lum->lum_magic);
2330 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_length);
2331 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_type);
2332 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_flags);
2336 count = lum->lum_stripe_count;
2337 __swab32s(&lum->lum_magic);
2338 __swab32s(&lum->lum_stripe_count);
2339 __swab32s(&lum->lum_stripe_offset);
2340 __swab32s(&lum->lum_hash_type);
2341 __swab32s(&lum->lum_type);
2342 /* lum_max_inherit and lum_max_inherit_rr do not need to be swabbed */
2343 BUILD_BUG_ON(offsetof(typeof(*lum), lum_padding1) == 0);
2344 BUILD_BUG_ON(offsetof(typeof(*lum), lum_padding2) == 0);
2345 BUILD_BUG_ON(offsetof(typeof(*lum), lum_padding3) == 0);
2346 switch (lum->lum_magic) {
2347 case LMV_USER_MAGIC_SPECIFIC:
2348 count = lum->lum_stripe_count;
2350 case __swab32(LMV_USER_MAGIC_SPECIFIC):
2351 lustre_swab_lmv_user_md_objects(lum->lum_objects, count);
2357 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2359 static void lustre_print_v1v3(unsigned int lvl, struct lov_user_md *lum,
2362 CDEBUG(lvl, "%s lov_user_md %p:\n", msg, lum);
2363 CDEBUG(lvl, "\tlmm_magic: %#x\n", lum->lmm_magic);
2364 CDEBUG(lvl, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2365 CDEBUG(lvl, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
2366 CDEBUG(lvl, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
2367 CDEBUG(lvl, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2368 CDEBUG(lvl, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2369 CDEBUG(lvl, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2370 lum->lmm_stripe_offset);
2371 if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
2372 struct lov_user_md_v3 *v3 = (void *)lum;
2373 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2375 if (lum->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2376 struct lov_user_md_v3 *v3 = (void *)lum;
2379 if (v3->lmm_pool_name[0] != '\0')
2380 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2382 CDEBUG(lvl, "\ttarget list:\n");
2383 for (i = 0; i < v3->lmm_stripe_count; i++)
2384 CDEBUG(lvl, "\t\t%u\n", v3->lmm_objects[i].l_ost_idx);
2388 void lustre_print_user_md(unsigned int lvl, struct lov_user_md *lum,
2391 struct lov_comp_md_v1 *comp_v1;
2394 if (likely(!cfs_cdebug_show(lvl, DEBUG_SUBSYSTEM)))
2397 if (lum->lmm_magic == LOV_USER_MAGIC_V1 ||
2398 lum->lmm_magic == LOV_USER_MAGIC_V3) {
2399 lustre_print_v1v3(lvl, lum, msg);
2403 if (lum->lmm_magic != LOV_USER_MAGIC_COMP_V1) {
2404 CDEBUG(lvl, "%s: bad magic: %x\n", msg, lum->lmm_magic);
2408 comp_v1 = (struct lov_comp_md_v1 *)lum;
2409 CDEBUG(lvl, "%s: lov_comp_md_v1 %p:\n", msg, lum);
2410 CDEBUG(lvl, "\tlcm_magic: %#x\n", comp_v1->lcm_magic);
2411 CDEBUG(lvl, "\tlcm_size: %#x\n", comp_v1->lcm_size);
2412 CDEBUG(lvl, "\tlcm_layout_gen: %#x\n", comp_v1->lcm_layout_gen);
2413 CDEBUG(lvl, "\tlcm_flags: %#x\n", comp_v1->lcm_flags);
2414 CDEBUG(lvl, "\tlcm_entry_count: %#x\n\n", comp_v1->lcm_entry_count);
2415 CDEBUG(lvl, "\tlcm_mirror_count: %#x\n\n", comp_v1->lcm_mirror_count);
2417 for (i = 0; i < comp_v1->lcm_entry_count; i++) {
2418 struct lov_comp_md_entry_v1 *ent = &comp_v1->lcm_entries[i];
2419 struct lov_user_md *v1;
2421 CDEBUG(lvl, "\tentry %d:\n", i);
2422 CDEBUG(lvl, "\tlcme_id: %#x\n", ent->lcme_id);
2423 CDEBUG(lvl, "\tlcme_flags: %#x\n", ent->lcme_flags);
2424 if (ent->lcme_flags & LCME_FL_NOSYNC)
2425 CDEBUG(lvl, "\tlcme_timestamp: %llu\n",
2426 ent->lcme_timestamp);
2427 CDEBUG(lvl, "\tlcme_extent.e_start: %llu\n",
2428 ent->lcme_extent.e_start);
2429 CDEBUG(lvl, "\tlcme_extent.e_end: %llu\n",
2430 ent->lcme_extent.e_end);
2431 CDEBUG(lvl, "\tlcme_offset: %#x\n", ent->lcme_offset);
2432 CDEBUG(lvl, "\tlcme_size: %#x\n\n", ent->lcme_size);
2434 v1 = (struct lov_user_md *)((char *)comp_v1 +
2435 comp_v1->lcm_entries[i].lcme_offset);
2436 lustre_print_v1v3(lvl, v1, msg);
2439 EXPORT_SYMBOL(lustre_print_user_md);
2441 static void lustre_swab_lmm_oi(struct ost_id *oi)
2443 __swab64s(&oi->oi.oi_id);
2444 __swab64s(&oi->oi.oi_seq);
2447 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2450 __swab32s(&lum->lmm_magic);
2451 __swab32s(&lum->lmm_pattern);
2452 lustre_swab_lmm_oi(&lum->lmm_oi);
2453 __swab32s(&lum->lmm_stripe_size);
2454 __swab16s(&lum->lmm_stripe_count);
2455 __swab16s(&lum->lmm_stripe_offset);
2459 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2462 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2463 lustre_swab_lov_user_md_common(lum);
2466 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2468 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2471 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2472 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2473 /* lmm_pool_name nothing to do with char */
2476 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2478 void lustre_swab_lov_comp_md_v1(struct lov_comp_md_v1 *lum)
2480 struct lov_comp_md_entry_v1 *ent;
2481 struct lov_user_md_v1 *v1;
2482 struct lov_user_md_v3 *v3;
2486 __u16 ent_count, stripe_count;
2489 cpu_endian = lum->lcm_magic == LOV_USER_MAGIC_COMP_V1;
2490 ent_count = lum->lcm_entry_count;
2492 __swab16s(&ent_count);
2494 CDEBUG(D_IOCTL, "swabbing lov_user_comp_md v1\n");
2495 __swab32s(&lum->lcm_magic);
2496 __swab32s(&lum->lcm_size);
2497 __swab32s(&lum->lcm_layout_gen);
2498 __swab16s(&lum->lcm_flags);
2499 __swab16s(&lum->lcm_entry_count);
2500 __swab16s(&lum->lcm_mirror_count);
2501 /* no need to swab lcm_ec_count */
2502 BUILD_BUG_ON(offsetof(typeof(*lum), lcm_padding1) == 0);
2503 BUILD_BUG_ON(offsetof(typeof(*lum), lcm_padding2) == 0);
2504 BUILD_BUG_ON(offsetof(typeof(*lum), lcm_padding3) == 0);
2506 for (i = 0; i < ent_count; i++) {
2507 ent = &lum->lcm_entries[i];
2508 off = ent->lcme_offset;
2509 size = ent->lcme_size;
2515 __swab32s(&ent->lcme_id);
2516 __swab32s(&ent->lcme_flags);
2517 __swab64s(&ent->lcme_timestamp);
2518 __swab64s(&ent->lcme_extent.e_start);
2519 __swab64s(&ent->lcme_extent.e_end);
2520 __swab32s(&ent->lcme_offset);
2521 __swab32s(&ent->lcme_size);
2522 __swab32s(&ent->lcme_layout_gen);
2523 /* no need to swab lcme_dstripe_count */
2524 /* no need to swab lcme_cstripe_count */
2525 BUILD_BUG_ON(offsetof(typeof(*ent), lcme_padding_1) == 0);
2527 v1 = (struct lov_user_md_v1 *)((char *)lum + off);
2528 stripe_count = v1->lmm_stripe_count;
2530 __swab16s(&stripe_count);
2532 if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V1) ||
2533 v1->lmm_magic == LOV_USER_MAGIC_V1) {
2534 lustre_swab_lov_user_md_v1(v1);
2535 if (size > sizeof(*v1))
2536 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2538 } else if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V3) ||
2539 v1->lmm_magic == LOV_USER_MAGIC_V3 ||
2540 v1->lmm_magic == __swab32(LOV_USER_MAGIC_SPECIFIC) ||
2541 v1->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2542 v3 = (struct lov_user_md_v3 *)v1;
2543 lustre_swab_lov_user_md_v3(v3);
2544 if (size > sizeof(*v3))
2545 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2548 CERROR("Invalid magic %#x\n", v1->lmm_magic);
2552 EXPORT_SYMBOL(lustre_swab_lov_comp_md_v1);
2554 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2560 for (i = 0; i < stripe_count; i++) {
2561 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2562 __swab32s(&(lod[i].l_ost_gen));
2563 __swab32s(&(lod[i].l_ost_idx));
2567 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2569 void lustre_swab_lov_user_md(struct lov_user_md *lum, size_t size)
2571 struct lov_user_md_v1 *v1;
2572 struct lov_user_md_v3 *v3;
2573 struct lov_foreign_md *lfm;
2577 CDEBUG(D_IOCTL, "swabbing lov_user_md\n");
2578 switch (lum->lmm_magic) {
2579 case __swab32(LOV_MAGIC_V1):
2580 case LOV_USER_MAGIC_V1:
2582 v1 = (struct lov_user_md_v1 *)lum;
2583 stripe_count = v1->lmm_stripe_count;
2585 if (lum->lmm_magic != LOV_USER_MAGIC_V1)
2586 __swab16s(&stripe_count);
2588 lustre_swab_lov_user_md_v1(v1);
2589 if (size > sizeof(*v1))
2590 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2595 case __swab32(LOV_MAGIC_V3):
2596 case LOV_USER_MAGIC_V3:
2598 v3 = (struct lov_user_md_v3 *)lum;
2599 stripe_count = v3->lmm_stripe_count;
2601 if (lum->lmm_magic != LOV_USER_MAGIC_V3)
2602 __swab16s(&stripe_count);
2604 lustre_swab_lov_user_md_v3(v3);
2605 if (size > sizeof(*v3))
2606 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2610 case __swab32(LOV_USER_MAGIC_SPECIFIC):
2611 case LOV_USER_MAGIC_SPECIFIC:
2613 v3 = (struct lov_user_md_v3 *)lum;
2614 stripe_count = v3->lmm_stripe_count;
2616 if (lum->lmm_magic != LOV_USER_MAGIC_SPECIFIC)
2617 __swab16s(&stripe_count);
2619 lustre_swab_lov_user_md_v3(v3);
2620 lustre_swab_lov_user_md_objects(v3->lmm_objects, stripe_count);
2623 case __swab32(LOV_MAGIC_COMP_V1):
2624 case LOV_USER_MAGIC_COMP_V1:
2625 lustre_swab_lov_comp_md_v1((struct lov_comp_md_v1 *)lum);
2627 case __swab32(LOV_MAGIC_FOREIGN):
2628 case LOV_USER_MAGIC_FOREIGN:
2630 lfm = (struct lov_foreign_md *)lum;
2631 __swab32s(&lfm->lfm_magic);
2632 __swab32s(&lfm->lfm_length);
2633 __swab32s(&lfm->lfm_type);
2634 __swab32s(&lfm->lfm_flags);
2638 CDEBUG(D_IOCTL, "Invalid LOV magic %08x\n", lum->lmm_magic);
2641 EXPORT_SYMBOL(lustre_swab_lov_user_md);
2643 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2646 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2647 __swab32s(&lmm->lmm_magic);
2648 __swab32s(&lmm->lmm_pattern);
2649 lustre_swab_lmm_oi(&lmm->lmm_oi);
2650 __swab32s(&lmm->lmm_stripe_size);
2651 __swab16s(&lmm->lmm_stripe_count);
2652 __swab16s(&lmm->lmm_layout_gen);
2655 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2657 void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
2661 for (i = 0; i < RES_NAME_SIZE; i++)
2662 __swab64s(&id->name[i]);
2665 void lustre_swab_ldlm_policy_data(union ldlm_wire_policy_data *d)
2667 /* the lock data is a union and the first two fields are always an
2668 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2669 * data the same way.
2671 __swab64s(&d->l_extent.start);
2672 __swab64s(&d->l_extent.end);
2673 __swab64s(&d->l_extent.gid);
2674 __swab64s(&d->l_flock.lfw_owner);
2675 __swab32s(&d->l_flock.lfw_pid);
2678 void lustre_swab_ldlm_intent(struct ldlm_intent *i)
2683 void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2685 __swab32s(&r->lr_type);
2686 BUILD_BUG_ON(offsetof(typeof(*r), lr_pad) == 0);
2687 lustre_swab_ldlm_res_id(&r->lr_name);
2690 void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
2692 lustre_swab_ldlm_resource_desc(&l->l_resource);
2693 __swab32s(&l->l_req_mode);
2694 __swab32s(&l->l_granted_mode);
2695 lustre_swab_ldlm_policy_data(&l->l_policy_data);
2698 void lustre_swab_ldlm_request(struct ldlm_request *rq)
2700 __swab32s(&rq->lock_flags);
2701 lustre_swab_ldlm_lock_desc(&rq->lock_desc);
2702 __swab32s(&rq->lock_count);
2703 /* lock_handle[] opaque */
2706 void lustre_swab_ldlm_reply(struct ldlm_reply *r)
2708 __swab32s(&r->lock_flags);
2709 BUILD_BUG_ON(offsetof(typeof(*r), lock_padding) == 0);
2710 lustre_swab_ldlm_lock_desc(&r->lock_desc);
2711 /* lock_handle opaque */
2712 __swab64s(&r->lock_policy_res1);
2713 __swab64s(&r->lock_policy_res2);
2716 void lustre_swab_quota_body(struct quota_body *b)
2718 lustre_swab_lu_fid(&b->qb_fid);
2719 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2720 __swab32s(&b->qb_flags);
2721 __swab64s(&b->qb_count);
2722 __swab64s(&b->qb_usage);
2723 __swab64s(&b->qb_slv_ver);
2726 /* Dump functions */
2727 void dump_ioo(struct obd_ioobj *ioo)
2730 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2731 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2735 void dump_rniobuf(struct niobuf_remote *nb)
2737 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2738 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2741 void dump_obdo(struct obdo *oa)
2743 u64 valid = oa->o_valid;
2745 CDEBUG(D_RPCTRACE, "obdo: o_valid = %#llx\n", valid);
2746 if (valid & OBD_MD_FLID)
2747 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2748 if (valid & OBD_MD_FLFID)
2749 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2751 if (valid & OBD_MD_FLSIZE)
2752 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2753 if (valid & OBD_MD_FLMTIME)
2754 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2755 if (valid & OBD_MD_FLATIME)
2756 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2757 if (valid & OBD_MD_FLCTIME)
2758 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2759 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2760 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2761 if (valid & OBD_MD_FLGRANT)
2762 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2763 if (valid & OBD_MD_FLBLKSZ)
2764 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2765 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2766 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2767 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2768 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2769 if (valid & OBD_MD_FLUID)
2770 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2771 if (valid & OBD_MD_FLUID)
2772 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2773 if (valid & OBD_MD_FLGID)
2774 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2775 if (valid & OBD_MD_FLGID)
2776 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2777 if (valid & OBD_MD_FLFLAGS)
2778 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2779 if (valid & OBD_MD_FLNLINK)
2780 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2781 else if (valid & OBD_MD_FLCKSUM)
2782 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2784 if (valid & OBD_MD_FLPARENT)
2785 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2787 if (valid & OBD_MD_FLFID) {
2788 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2790 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2793 if (valid & OBD_MD_FLHANDLE)
2794 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2795 oa->o_handle.cookie);
2798 void dump_ost_body(struct ost_body *ob)
2803 void dump_rcs(__u32 *rc)
2805 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2808 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2810 LASSERT(req->rq_reqmsg);
2812 switch (req->rq_reqmsg->lm_magic) {
2813 case LUSTRE_MSG_MAGIC_V2:
2814 return req_capsule_req_swabbed(&req->rq_pill,
2815 MSG_PTLRPC_BODY_OFF);
2817 CERROR("bad lustre msg magic: %#08X\n",
2818 req->rq_reqmsg->lm_magic);
2823 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2825 if (unlikely(!req->rq_repmsg))
2828 switch (req->rq_repmsg->lm_magic) {
2829 case LUSTRE_MSG_MAGIC_V2:
2830 return req_capsule_rep_swabbed(&req->rq_pill,
2831 MSG_PTLRPC_BODY_OFF);
2833 /* uninitialized yet */
2838 void _debug_req(struct ptlrpc_request *req,
2839 struct libcfs_debug_msg_data *msgdata, const char *fmt, ...)
2841 bool req_ok = req->rq_reqmsg != NULL;
2842 bool rep_ok = false;
2843 struct lnet_nid *nid = NULL;
2844 struct va_format vaf;
2847 int rep_status = -1;
2848 __u64 req_transno = 0;
2850 __u32 req_flags = (__u32) -1;
2851 __u32 req_uid = (__u32) -1;
2852 __u32 req_gid = (__u32) -1;
2853 char *req_jobid = NULL;
2855 spin_lock(&req->rq_early_free_lock);
2859 if (req_capsule_req_need_swab(&req->rq_pill)) {
2860 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2861 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2865 rep_flags = lustre_msg_get_flags(req->rq_repmsg);
2866 rep_status = lustre_msg_get_status(req->rq_repmsg);
2868 spin_unlock(&req->rq_early_free_lock);
2870 if (req->rq_import && req->rq_import->imp_connection)
2871 nid = &req->rq_import->imp_connection->c_peer.nid;
2872 else if (req->rq_export && req->rq_export->exp_connection)
2873 nid = &req->rq_export->exp_connection->c_peer.nid;
2876 req_transno = lustre_msg_get_transno(req->rq_reqmsg);
2877 req_opc = lustre_msg_get_opc(req->rq_reqmsg);
2878 req_jobid = lustre_msg_get_jobid(req->rq_reqmsg);
2879 lustre_msg_get_uid_gid(req->rq_reqmsg, &req_uid, &req_gid);
2880 req_flags = lustre_msg_get_flags(req->rq_reqmsg);
2883 va_start(args, fmt);
2886 libcfs_debug_msg(msgdata,
2887 "%pV req@%p x%llu/t%lld(%llu) 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 uid:%u gid:%u job:'%s'\n",
2889 req, req->rq_xid, req->rq_transno, req_transno,
2892 req->rq_import->imp_obd->obd_name :
2894 req->rq_export->exp_client_uuid.uuid :
2896 nid ? libcfs_nidstr(nid) : "<unknown>",
2897 req->rq_request_portal, req->rq_reply_portal,
2898 req->rq_reqlen, req->rq_replen,
2899 req->rq_early_count, (s64)req->rq_timedout,
2900 (s64)req->rq_deadline,
2901 atomic_read(&req->rq_refcount),
2902 DEBUG_REQ_FLAGS(req), req_flags, rep_flags,
2903 req->rq_status, rep_status,
2904 req_uid, req_gid, req_jobid ?: "");
2907 EXPORT_SYMBOL(_debug_req);
2909 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2911 __swab32s(&state->hus_states);
2912 __swab32s(&state->hus_archive_id);
2915 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2917 __swab32s(&hss->hss_valid);
2918 __swab64s(&hss->hss_setmask);
2919 __swab64s(&hss->hss_clearmask);
2920 __swab32s(&hss->hss_archive_id);
2923 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2925 __swab64s(&extent->offset);
2926 __swab64s(&extent->length);
2929 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2931 __swab32s(&action->hca_state);
2932 __swab32s(&action->hca_action);
2933 lustre_swab_hsm_extent(&action->hca_location);
2936 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2938 lustre_swab_lu_fid(&hui->hui_fid);
2939 lustre_swab_hsm_extent(&hui->hui_extent);
2942 void lustre_swab_lu_extent(struct lu_extent *le)
2944 __swab64s(&le->e_start);
2945 __swab64s(&le->e_end);
2948 void lustre_swab_layout_intent(struct layout_intent *li)
2950 __swab32s(&li->li_opc);
2951 __swab32s(&li->li_flags);
2952 lustre_swab_lu_extent(&li->li_extent);
2955 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2957 lustre_swab_lu_fid(&hpk->hpk_fid);
2958 __swab64s(&hpk->hpk_cookie);
2959 __swab64s(&hpk->hpk_extent.offset);
2960 __swab64s(&hpk->hpk_extent.length);
2961 __swab16s(&hpk->hpk_flags);
2962 __swab16s(&hpk->hpk_errval);
2965 void lustre_swab_hsm_request(struct hsm_request *hr)
2967 __swab32s(&hr->hr_action);
2968 __swab32s(&hr->hr_archive_id);
2969 __swab64s(&hr->hr_flags);
2970 __swab32s(&hr->hr_itemcount);
2971 __swab32s(&hr->hr_data_len);
2974 /* TODO: swab each sub request message */
2975 void lustre_swab_batch_update_request(struct batch_update_request *bur)
2977 __swab32s(&bur->burq_magic);
2978 __swab16s(&bur->burq_count);
2979 __swab16s(&bur->burq_padding);
2982 /* TODO: swab each sub reply message. */
2983 void lustre_swab_batch_update_reply(struct batch_update_reply *bur)
2985 __swab32s(&bur->burp_magic);
2986 __swab16s(&bur->burp_count);
2987 __swab16s(&bur->burp_padding);
2990 void lustre_swab_but_update_header(struct but_update_header *buh)
2992 __swab32s(&buh->buh_magic);
2993 __swab32s(&buh->buh_count);
2994 __swab32s(&buh->buh_inline_length);
2995 __swab32s(&buh->buh_reply_size);
2996 __swab32s(&buh->buh_update_count);
2998 EXPORT_SYMBOL(lustre_swab_but_update_header);
3000 void lustre_swab_but_update_buffer(struct but_update_buffer *bub)
3002 __swab32s(&bub->bub_size);
3003 __swab32s(&bub->bub_padding);
3005 EXPORT_SYMBOL(lustre_swab_but_update_buffer);
3007 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
3009 __swab64s(&msl->msl_flags);
3012 void lustre_swab_close_data(struct close_data *cd)
3014 lustre_swab_lu_fid(&cd->cd_fid);
3015 __swab64s(&cd->cd_data_version);
3018 void lustre_swab_close_data_resync_done(struct close_data_resync_done *resync)
3022 __swab32s(&resync->resync_count);
3023 /* after swab, resync_count must in CPU endian */
3024 if (resync->resync_count <= INLINE_RESYNC_ARRAY_SIZE) {
3025 for (i = 0; i < resync->resync_count; i++)
3026 __swab32s(&resync->resync_ids_inline[i]);
3029 EXPORT_SYMBOL(lustre_swab_close_data_resync_done);
3031 void lustre_swab_lfsck_request(struct lfsck_request *lr)
3033 __swab32s(&lr->lr_event);
3034 __swab32s(&lr->lr_index);
3035 __swab32s(&lr->lr_flags);
3036 __swab32s(&lr->lr_valid);
3037 __swab32s(&lr->lr_speed);
3038 __swab16s(&lr->lr_version);
3039 __swab16s(&lr->lr_active);
3040 __swab16s(&lr->lr_param);
3041 __swab16s(&lr->lr_async_windows);
3042 __swab32s(&lr->lr_flags);
3043 lustre_swab_lu_fid(&lr->lr_fid);
3044 lustre_swab_lu_fid(&lr->lr_fid2);
3045 __swab32s(&lr->lr_comp_id);
3046 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_0) == 0);
3047 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_1) == 0);
3048 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_2) == 0);
3049 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_3) == 0);
3052 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
3054 __swab32s(&lr->lr_status);
3055 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_1) == 0);
3056 __swab64s(&lr->lr_repaired);
3059 static void lustre_swab_orphan_rec(struct lu_orphan_rec *rec)
3061 lustre_swab_lu_fid(&rec->lor_fid);
3062 __swab32s(&rec->lor_uid);
3063 __swab32s(&rec->lor_gid);
3066 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
3068 lustre_swab_lu_fid(&ent->loe_key);
3069 lustre_swab_orphan_rec(&ent->loe_rec);
3071 EXPORT_SYMBOL(lustre_swab_orphan_ent);
3073 void lustre_swab_orphan_ent_v2(struct lu_orphan_ent_v2 *ent)
3075 lustre_swab_lu_fid(&ent->loe_key);
3076 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
3077 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
3078 BUILD_BUG_ON(offsetof(typeof(ent->loe_rec), lor_padding) == 0);
3080 EXPORT_SYMBOL(lustre_swab_orphan_ent_v2);
3082 void lustre_swab_orphan_ent_v3(struct lu_orphan_ent_v3 *ent)
3084 lustre_swab_lu_fid(&ent->loe_key);
3085 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
3086 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
3087 __swab32s(&ent->loe_rec.lor_layout_version);
3088 __swab32s(&ent->loe_rec.lor_range);
3089 BUILD_BUG_ON(offsetof(typeof(ent->loe_rec), lor_padding_1) == 0);
3090 BUILD_BUG_ON(offsetof(typeof(ent->loe_rec), lor_padding_2) == 0);
3092 EXPORT_SYMBOL(lustre_swab_orphan_ent_v3);
3094 void lustre_swab_ladvise(struct lu_ladvise *ladvise)
3096 __swab16s(&ladvise->lla_advice);
3097 __swab16s(&ladvise->lla_value1);
3098 __swab32s(&ladvise->lla_value2);
3099 __swab64s(&ladvise->lla_start);
3100 __swab64s(&ladvise->lla_end);
3101 __swab32s(&ladvise->lla_value3);
3102 __swab32s(&ladvise->lla_value4);
3104 EXPORT_SYMBOL(lustre_swab_ladvise);
3106 void lustre_swab_ladvise_hdr(struct ladvise_hdr *ladvise_hdr)
3108 __swab32s(&ladvise_hdr->lah_magic);
3109 __swab32s(&ladvise_hdr->lah_count);
3110 __swab64s(&ladvise_hdr->lah_flags);
3111 __swab32s(&ladvise_hdr->lah_value1);
3112 __swab32s(&ladvise_hdr->lah_value2);
3113 __swab64s(&ladvise_hdr->lah_value3);
3115 EXPORT_SYMBOL(lustre_swab_ladvise_hdr);