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);
141 /* This returns the size of the buffer that is required to hold a lustre_msg
142 * with the given sub-buffer lengths.
143 * NOTE: this should only be used for NEW requests, and should always be
144 * in the form of a v2 request. If this is a connection to a v1
145 * target then the first buffer will be stripped because the ptlrpc
146 * data is part of the lustre_msg_v1 header. b=14043 */
147 __u32 lustre_msg_size(__u32 magic, int count, __u32 *lens)
149 __u32 size[] = { sizeof(struct ptlrpc_body) };
157 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
160 case LUSTRE_MSG_MAGIC_V2:
161 return lustre_msg_size_v2(count, lens);
163 LASSERTF(0, "incorrect message magic: %08x\n", magic);
168 /* This is used to determine the size of a buffer that was already packed
169 * and will correctly handle the different message formats. */
170 __u32 lustre_packed_msg_size(struct lustre_msg *msg)
172 switch (msg->lm_magic) {
173 case LUSTRE_MSG_MAGIC_V2:
174 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
176 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
180 EXPORT_SYMBOL(lustre_packed_msg_size);
182 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
190 msg->lm_bufcount = count;
191 /* XXX: lm_secflvr uninitialized here */
192 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
194 for (i = 0; i < count; i++)
195 msg->lm_buflens[i] = lens[i];
200 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
201 for (i = 0; i < count; i++) {
205 memcpy(ptr, tmp, lens[i]);
206 ptr += cfs_size_round(lens[i]);
209 EXPORT_SYMBOL(lustre_init_msg_v2);
211 static int lustre_pack_request_v2(struct ptlrpc_request *req,
212 int count, __u32 *lens, char **bufs)
216 reqlen = lustre_msg_size_v2(count, lens);
218 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
222 req->rq_reqlen = reqlen;
224 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
225 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
229 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
230 __u32 *lens, char **bufs)
232 __u32 size[] = { sizeof(struct ptlrpc_body) };
240 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
242 /* only use new format, we don't need to be compatible with 1.4 */
243 magic = LUSTRE_MSG_MAGIC_V2;
246 case LUSTRE_MSG_MAGIC_V2:
247 return lustre_pack_request_v2(req, count, lens, bufs);
249 LASSERTF(0, "incorrect message magic: %08x\n", magic);
255 struct list_head ptlrpc_rs_debug_lru =
256 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
257 spinlock_t ptlrpc_rs_debug_lock;
259 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
261 spin_lock(&ptlrpc_rs_debug_lock); \
262 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
263 spin_unlock(&ptlrpc_rs_debug_lock); \
266 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
268 spin_lock(&ptlrpc_rs_debug_lock); \
269 list_del(&(rs)->rs_debug_list); \
270 spin_unlock(&ptlrpc_rs_debug_lock); \
273 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
274 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
277 struct ptlrpc_reply_state *
278 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
280 struct ptlrpc_reply_state *rs = NULL;
282 spin_lock(&svcpt->scp_rep_lock);
284 /* See if we have anything in a pool, and wait if nothing */
285 while (list_empty(&svcpt->scp_rep_idle)) {
286 struct l_wait_info lwi;
289 spin_unlock(&svcpt->scp_rep_lock);
290 /* If we cannot get anything for some long time, we better
291 * bail out instead of waiting infinitely */
292 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
293 rc = l_wait_event(svcpt->scp_rep_waitq,
294 !list_empty(&svcpt->scp_rep_idle), &lwi);
297 spin_lock(&svcpt->scp_rep_lock);
300 rs = list_entry(svcpt->scp_rep_idle.next,
301 struct ptlrpc_reply_state, rs_list);
302 list_del(&rs->rs_list);
304 spin_unlock(&svcpt->scp_rep_lock);
306 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
307 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
308 rs->rs_svcpt = svcpt;
314 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
316 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
318 spin_lock(&svcpt->scp_rep_lock);
319 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
320 spin_unlock(&svcpt->scp_rep_lock);
321 wake_up(&svcpt->scp_rep_waitq);
324 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
325 __u32 *lens, char **bufs, int flags)
327 struct ptlrpc_reply_state *rs;
331 LASSERT(req->rq_reply_state == NULL);
334 if ((flags & LPRFL_EARLY_REPLY) == 0) {
335 spin_lock(&req->rq_lock);
336 req->rq_packed_final = 1;
337 spin_unlock(&req->rq_lock);
340 msg_len = lustre_msg_size_v2(count, lens);
341 rc = sptlrpc_svc_alloc_rs(req, msg_len);
345 rs = req->rq_reply_state;
346 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
347 rs->rs_cb_id.cbid_fn = reply_out_callback;
348 rs->rs_cb_id.cbid_arg = rs;
349 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
350 INIT_LIST_HEAD(&rs->rs_exp_list);
351 INIT_LIST_HEAD(&rs->rs_obd_list);
352 INIT_LIST_HEAD(&rs->rs_list);
353 spin_lock_init(&rs->rs_lock);
355 req->rq_replen = msg_len;
356 req->rq_reply_state = rs;
357 req->rq_repmsg = rs->rs_msg;
359 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
360 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
362 PTLRPC_RS_DEBUG_LRU_ADD(rs);
366 EXPORT_SYMBOL(lustre_pack_reply_v2);
368 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
369 char **bufs, int flags)
372 __u32 size[] = { sizeof(struct ptlrpc_body) };
380 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
382 switch (req->rq_reqmsg->lm_magic) {
383 case LUSTRE_MSG_MAGIC_V2:
384 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
387 LASSERTF(0, "incorrect message magic: %08x\n",
388 req->rq_reqmsg->lm_magic);
392 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
393 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
397 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
400 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
402 EXPORT_SYMBOL(lustre_pack_reply);
404 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, __u32 n, __u32 min_size)
406 __u32 i, offset, buflen, bufcount;
409 LASSERT(m->lm_bufcount > 0);
411 bufcount = m->lm_bufcount;
412 if (unlikely(n >= bufcount)) {
413 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
418 buflen = m->lm_buflens[n];
419 if (unlikely(buflen < min_size)) {
420 CERROR("msg %p buffer[%d] size %d too small "
421 "(required %d, opc=%d)\n", m, n, buflen, min_size,
422 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
426 offset = lustre_msg_hdr_size_v2(bufcount);
427 for (i = 0; i < n; i++)
428 offset += cfs_size_round(m->lm_buflens[i]);
430 return (char *)m + offset;
433 void *lustre_msg_buf(struct lustre_msg *m, __u32 n, __u32 min_size)
435 switch (m->lm_magic) {
436 case LUSTRE_MSG_MAGIC_V2:
437 return lustre_msg_buf_v2(m, n, min_size);
439 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
444 EXPORT_SYMBOL(lustre_msg_buf);
446 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
447 unsigned int newlen, int move_data)
449 char *tail = NULL, *newpos;
453 LASSERT(msg->lm_bufcount > segment);
454 LASSERT(msg->lm_buflens[segment] >= newlen);
456 if (msg->lm_buflens[segment] == newlen)
459 if (move_data && msg->lm_bufcount > segment + 1) {
460 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
461 for (n = segment + 1; n < msg->lm_bufcount; n++)
462 tail_len += cfs_size_round(msg->lm_buflens[n]);
465 msg->lm_buflens[segment] = newlen;
467 if (tail && tail_len) {
468 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
469 LASSERT(newpos <= tail);
471 memmove(newpos, tail, tail_len);
474 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
478 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
479 * we also move data forward from @segment + 1.
481 * if @newlen == 0, we remove the segment completely, but we still keep the
482 * totally bufcount the same to save possible data moving. this will leave a
483 * unused segment with size 0 at the tail, but that's ok.
485 * return new msg size after shrinking.
488 * + if any buffers higher than @segment has been filled in, must call shrink
489 * with non-zero @move_data.
490 * + caller should NOT keep pointers to msg buffers which higher than @segment
493 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
494 unsigned int newlen, int move_data)
496 switch (msg->lm_magic) {
497 case LUSTRE_MSG_MAGIC_V2:
498 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
500 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
503 EXPORT_SYMBOL(lustre_shrink_msg);
505 static int lustre_grow_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
508 char *tail = NULL, *newpos;
512 LASSERT(msg->lm_bufcount > segment);
513 LASSERT(msg->lm_buflens[segment] <= newlen);
515 if (msg->lm_buflens[segment] == newlen)
518 if (msg->lm_bufcount > segment + 1) {
519 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
520 for (n = segment + 1; n < msg->lm_bufcount; n++)
521 tail_len += cfs_size_round(msg->lm_buflens[n]);
524 msg->lm_buflens[segment] = newlen;
526 if (tail && tail_len) {
527 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
528 memmove(newpos, tail, tail_len);
531 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
535 * for @msg, grow @segment to size @newlen.
536 * Always move higher buffer forward.
538 * return new msg size after growing.
541 * - caller must make sure there is enough space in allocated message buffer
542 * - caller should NOT keep pointers to msg buffers which higher than @segment
545 int lustre_grow_msg(struct lustre_msg *msg, int segment, unsigned int newlen)
547 switch (msg->lm_magic) {
548 case LUSTRE_MSG_MAGIC_V2:
549 return lustre_grow_msg_v2(msg, segment, newlen);
551 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
554 EXPORT_SYMBOL(lustre_grow_msg);
556 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
558 PTLRPC_RS_DEBUG_LRU_DEL(rs);
560 LASSERT(atomic_read(&rs->rs_refcount) == 0);
561 LASSERT(!rs->rs_difficult || rs->rs_handled);
562 LASSERT(!rs->rs_on_net);
563 LASSERT(!rs->rs_scheduled);
564 LASSERT(rs->rs_export == NULL);
565 LASSERT(rs->rs_nlocks == 0);
566 LASSERT(list_empty(&rs->rs_exp_list));
567 LASSERT(list_empty(&rs->rs_obd_list));
569 sptlrpc_svc_free_rs(rs);
572 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
574 int swabbed, required_len, i, buflen;
576 /* Now we know the sender speaks my language. */
577 required_len = lustre_msg_hdr_size_v2(0);
578 if (len < required_len) {
579 /* can't even look inside the message */
580 CERROR("message length %d too small for lustre_msg\n", len);
584 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
587 __swab32s(&m->lm_magic);
588 __swab32s(&m->lm_bufcount);
589 __swab32s(&m->lm_secflvr);
590 __swab32s(&m->lm_repsize);
591 __swab32s(&m->lm_cksum);
592 __swab32s(&m->lm_flags);
593 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
594 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
597 if (m->lm_bufcount == 0 || m->lm_bufcount > PTLRPC_MAX_BUFCOUNT) {
598 CERROR("message bufcount %d is not valid\n", m->lm_bufcount);
601 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
602 if (len < required_len) {
603 /* didn't receive all the buffer lengths */
604 CERROR("message length %d too small for %d buflens\n",
605 len, m->lm_bufcount);
609 for (i = 0; i < m->lm_bufcount; i++) {
611 __swab32s(&m->lm_buflens[i]);
612 buflen = cfs_size_round(m->lm_buflens[i]);
613 if (buflen < 0 || buflen > PTLRPC_MAX_BUFLEN) {
614 CERROR("buffer %d length %d is not valid\n", i, buflen);
617 required_len += buflen;
619 if (len < required_len || required_len > PTLRPC_MAX_BUFLEN) {
620 CERROR("len: %d, required_len %d, bufcount: %d\n",
621 len, required_len, m->lm_bufcount);
622 for (i = 0; i < m->lm_bufcount; i++)
623 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
630 int __lustre_unpack_msg(struct lustre_msg *m, int len)
632 int required_len, rc;
635 /* We can provide a slightly better error log, if we check the
636 * message magic and version first. In the future, struct
637 * lustre_msg may grow, and we'd like to log a version mismatch,
638 * rather than a short message.
641 required_len = offsetof(struct lustre_msg, lm_magic) +
643 if (len < required_len) {
644 /* can't even look inside the message */
645 CERROR("message length %d too small for magic/version check\n",
650 rc = lustre_unpack_msg_v2(m, len);
654 EXPORT_SYMBOL(__lustre_unpack_msg);
656 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
659 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
661 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
667 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
670 rc = __lustre_unpack_msg(req->rq_repmsg, len);
672 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
678 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
679 const int inout, int offset)
681 struct ptlrpc_body *pb;
682 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
684 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
686 CERROR("error unpacking ptlrpc body\n");
689 if (ptlrpc_buf_need_swab(req, inout, offset)) {
690 lustre_swab_ptlrpc_body(pb);
691 ptlrpc_buf_set_swabbed(req, inout, offset);
694 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
695 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
700 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
705 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
707 switch (req->rq_reqmsg->lm_magic) {
708 case LUSTRE_MSG_MAGIC_V2:
709 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
711 CERROR("bad lustre msg magic: %08x\n",
712 req->rq_reqmsg->lm_magic);
717 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
719 switch (req->rq_repmsg->lm_magic) {
720 case LUSTRE_MSG_MAGIC_V2:
721 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
723 CERROR("bad lustre msg magic: %08x\n",
724 req->rq_repmsg->lm_magic);
729 static inline __u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, __u32 n)
731 if (n >= m->lm_bufcount)
734 return m->lm_buflens[n];
738 * lustre_msg_buflen - return the length of buffer \a n in message \a m
739 * \param m lustre_msg (request or reply) to look at
740 * \param n message index (base 0)
742 * returns zero for non-existent message indices
744 __u32 lustre_msg_buflen(struct lustre_msg *m, __u32 n)
746 switch (m->lm_magic) {
747 case LUSTRE_MSG_MAGIC_V2:
748 return lustre_msg_buflen_v2(m, n);
750 CERROR("incorrect message magic: %08x\n", m->lm_magic);
754 EXPORT_SYMBOL(lustre_msg_buflen);
757 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len)
759 if (n >= m->lm_bufcount)
762 m->lm_buflens[n] = len;
765 void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len)
767 switch (m->lm_magic) {
768 case LUSTRE_MSG_MAGIC_V2:
769 lustre_msg_set_buflen_v2(m, n, len);
772 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
776 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
777 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
778 __u32 lustre_msg_bufcount(struct lustre_msg *m)
780 switch (m->lm_magic) {
781 case LUSTRE_MSG_MAGIC_V2:
782 return m->lm_bufcount;
784 CERROR("incorrect message magic: %08x\n", m->lm_magic);
789 char *lustre_msg_string(struct lustre_msg *m, __u32 index, __u32 max_len)
791 /* max_len == 0 means the string should fill the buffer */
795 switch (m->lm_magic) {
796 case LUSTRE_MSG_MAGIC_V2:
797 str = lustre_msg_buf_v2(m, index, 0);
798 blen = lustre_msg_buflen_v2(m, index);
801 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
805 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
809 slen = strnlen(str, blen);
811 if (slen == blen) { /* not NULL terminated */
812 CERROR("can't unpack non-NULL terminated string in "
813 "msg %p buffer[%d] len %d\n", m, index, blen);
816 if (blen > PTLRPC_MAX_BUFLEN) {
817 CERROR("buffer length of msg %p buffer[%d] is invalid(%d)\n",
823 if (slen != blen - 1) {
824 CERROR("can't unpack short string in msg %p "
825 "buffer[%d] len %d: strlen %d\n",
826 m, index, blen, slen);
829 } else if (slen > max_len) {
830 CERROR("can't unpack oversized string in msg %p "
831 "buffer[%d] len %d strlen %d: max %d expected\n",
832 m, index, blen, slen, max_len);
839 /* Wrap up the normal fixed length cases */
840 static inline void *__lustre_swab_buf(struct lustre_msg *msg, __u32 index,
841 __u32 min_size, void *swabber)
845 LASSERT(msg != NULL);
846 switch (msg->lm_magic) {
847 case LUSTRE_MSG_MAGIC_V2:
848 ptr = lustre_msg_buf_v2(msg, index, min_size);
851 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
854 if (ptr != NULL && swabber != NULL)
855 ((void (*)(void *))swabber)(ptr);
860 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
862 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
863 sizeof(struct ptlrpc_body_v2));
866 enum lustre_msghdr lustre_msghdr_get_flags(struct lustre_msg *msg)
868 switch (msg->lm_magic) {
869 case LUSTRE_MSG_MAGIC_V2:
870 /* already in host endian */
871 return msg->lm_flags;
873 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
877 EXPORT_SYMBOL(lustre_msghdr_get_flags);
879 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
881 switch (msg->lm_magic) {
882 case LUSTRE_MSG_MAGIC_V2:
883 msg->lm_flags = flags;
886 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
890 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
892 switch (msg->lm_magic) {
893 case LUSTRE_MSG_MAGIC_V2: {
894 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
898 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
902 /* flags might be printed in debug code while message
907 EXPORT_SYMBOL(lustre_msg_get_flags);
909 void lustre_msg_add_flags(struct lustre_msg *msg, __u32 flags)
911 switch (msg->lm_magic) {
912 case LUSTRE_MSG_MAGIC_V2: {
913 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
914 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
915 pb->pb_flags |= flags;
919 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
922 EXPORT_SYMBOL(lustre_msg_add_flags);
924 void lustre_msg_set_flags(struct lustre_msg *msg, __u32 flags)
926 switch (msg->lm_magic) {
927 case LUSTRE_MSG_MAGIC_V2: {
928 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
929 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
930 pb->pb_flags = flags;
934 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
938 void lustre_msg_clear_flags(struct lustre_msg *msg, __u32 flags)
940 switch (msg->lm_magic) {
941 case LUSTRE_MSG_MAGIC_V2: {
942 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
943 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
944 pb->pb_flags &= ~flags;
949 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
952 EXPORT_SYMBOL(lustre_msg_clear_flags);
954 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
956 switch (msg->lm_magic) {
957 case LUSTRE_MSG_MAGIC_V2: {
958 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
960 return pb->pb_op_flags;
962 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
970 void lustre_msg_add_op_flags(struct lustre_msg *msg, __u32 flags)
972 switch (msg->lm_magic) {
973 case LUSTRE_MSG_MAGIC_V2: {
974 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
975 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
976 pb->pb_op_flags |= flags;
980 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
983 EXPORT_SYMBOL(lustre_msg_add_op_flags);
985 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
987 switch (msg->lm_magic) {
988 case LUSTRE_MSG_MAGIC_V2: {
989 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
991 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
994 return &pb->pb_handle;
997 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1002 __u32 lustre_msg_get_type(struct lustre_msg *msg)
1004 switch (msg->lm_magic) {
1005 case LUSTRE_MSG_MAGIC_V2: {
1006 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1008 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1009 return PTL_RPC_MSG_ERR;
1014 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1015 return PTL_RPC_MSG_ERR;
1018 EXPORT_SYMBOL(lustre_msg_get_type);
1020 enum lustre_msg_version lustre_msg_get_version(struct lustre_msg *msg)
1022 switch (msg->lm_magic) {
1023 case LUSTRE_MSG_MAGIC_V2: {
1024 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1026 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1029 return pb->pb_version;
1032 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1037 void lustre_msg_add_version(struct lustre_msg *msg, __u32 version)
1039 switch (msg->lm_magic) {
1040 case LUSTRE_MSG_MAGIC_V2: {
1041 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1042 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1043 pb->pb_version |= version;
1047 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1051 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1053 switch (msg->lm_magic) {
1054 case LUSTRE_MSG_MAGIC_V2: {
1055 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1057 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1063 CERROR("incorrect message magic: %08x (msg:%p)\n",
1064 msg->lm_magic, msg);
1068 EXPORT_SYMBOL(lustre_msg_get_opc);
1070 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1072 switch (msg->lm_magic) {
1073 case LUSTRE_MSG_MAGIC_V2: {
1074 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1076 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1079 return pb->pb_last_xid;
1082 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1086 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1088 __u16 lustre_msg_get_tag(struct lustre_msg *msg)
1090 switch (msg->lm_magic) {
1091 case LUSTRE_MSG_MAGIC_V2: {
1092 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1094 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1100 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1104 EXPORT_SYMBOL(lustre_msg_get_tag);
1106 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1108 switch (msg->lm_magic) {
1109 case LUSTRE_MSG_MAGIC_V2: {
1110 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1112 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1115 return pb->pb_last_committed;
1118 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1122 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1124 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1126 switch (msg->lm_magic) {
1127 case LUSTRE_MSG_MAGIC_V2: {
1128 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1130 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1133 return pb->pb_pre_versions;
1136 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1140 EXPORT_SYMBOL(lustre_msg_get_versions);
1142 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1144 switch (msg->lm_magic) {
1145 case LUSTRE_MSG_MAGIC_V2: {
1146 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1148 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1151 return pb->pb_transno;
1154 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1158 EXPORT_SYMBOL(lustre_msg_get_transno);
1160 int lustre_msg_get_status(struct lustre_msg *msg)
1162 switch (msg->lm_magic) {
1163 case LUSTRE_MSG_MAGIC_V2: {
1164 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1166 return pb->pb_status;
1167 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1171 /* status might be printed in debug code while message
1176 EXPORT_SYMBOL(lustre_msg_get_status);
1178 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1180 switch (msg->lm_magic) {
1181 case LUSTRE_MSG_MAGIC_V2: {
1182 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1184 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1190 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1196 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1198 switch (msg->lm_magic) {
1199 case LUSTRE_MSG_MAGIC_V2: {
1200 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1202 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1209 CERROR("invalid msg magic %x\n", msg->lm_magic);
1214 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1216 switch (msg->lm_magic) {
1217 case LUSTRE_MSG_MAGIC_V2: {
1218 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1220 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1223 return pb->pb_limit;
1226 CERROR("invalid msg magic %x\n", msg->lm_magic);
1232 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1234 switch (msg->lm_magic) {
1235 case LUSTRE_MSG_MAGIC_V2: {
1236 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1238 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1241 pb->pb_limit = limit;
1245 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1250 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1252 switch (msg->lm_magic) {
1253 case LUSTRE_MSG_MAGIC_V2: {
1254 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1256 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1259 return pb->pb_conn_cnt;
1262 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1266 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1268 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1270 switch (msg->lm_magic) {
1271 case LUSTRE_MSG_MAGIC_V2:
1272 return msg->lm_magic;
1274 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1279 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1281 switch (msg->lm_magic) {
1282 case LUSTRE_MSG_MAGIC_V2: {
1283 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1285 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1288 return pb->pb_timeout;
1291 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1296 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1298 switch (msg->lm_magic) {
1299 case LUSTRE_MSG_MAGIC_V2: {
1300 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1302 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1305 return pb->pb_service_time;
1308 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1313 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1315 switch (msg->lm_magic) {
1316 case LUSTRE_MSG_MAGIC_V2: {
1317 struct ptlrpc_body *pb;
1319 /* the old pltrpc_body_v2 is smaller; doesn't include jobid */
1320 if (msg->lm_buflens[MSG_PTLRPC_BODY_OFF] <
1321 sizeof(struct ptlrpc_body))
1324 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1325 sizeof(struct ptlrpc_body));
1329 return pb->pb_jobid;
1332 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1336 EXPORT_SYMBOL(lustre_msg_get_jobid);
1338 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1340 switch (msg->lm_magic) {
1341 case LUSTRE_MSG_MAGIC_V2:
1342 return msg->lm_cksum;
1344 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1349 __u64 lustre_msg_get_mbits(struct lustre_msg *msg)
1351 switch (msg->lm_magic) {
1352 case LUSTRE_MSG_MAGIC_V2: {
1353 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1355 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1358 return pb->pb_mbits;
1361 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1366 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1368 switch (msg->lm_magic) {
1369 case LUSTRE_MSG_MAGIC_V2: {
1370 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1371 __u32 len = lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1373 unsigned int hsize = 4;
1376 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1377 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1378 len, NULL, 0, (unsigned char *)&crc,
1383 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1388 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1390 switch (msg->lm_magic) {
1391 case LUSTRE_MSG_MAGIC_V2: {
1392 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1393 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1394 pb->pb_handle = *handle;
1398 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1402 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1404 switch (msg->lm_magic) {
1405 case LUSTRE_MSG_MAGIC_V2: {
1406 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1407 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1412 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1416 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1418 switch (msg->lm_magic) {
1419 case LUSTRE_MSG_MAGIC_V2: {
1420 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1421 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1426 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1430 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1432 switch (msg->lm_magic) {
1433 case LUSTRE_MSG_MAGIC_V2: {
1434 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1435 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1436 pb->pb_last_xid = last_xid;
1440 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1443 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1445 void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag)
1447 switch (msg->lm_magic) {
1448 case LUSTRE_MSG_MAGIC_V2: {
1449 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1450 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1455 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1458 EXPORT_SYMBOL(lustre_msg_set_tag);
1460 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1462 switch (msg->lm_magic) {
1463 case LUSTRE_MSG_MAGIC_V2: {
1464 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1465 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1466 pb->pb_last_committed = last_committed;
1470 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1474 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1476 switch (msg->lm_magic) {
1477 case LUSTRE_MSG_MAGIC_V2: {
1478 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1479 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1480 pb->pb_pre_versions[0] = versions[0];
1481 pb->pb_pre_versions[1] = versions[1];
1482 pb->pb_pre_versions[2] = versions[2];
1483 pb->pb_pre_versions[3] = versions[3];
1487 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1490 EXPORT_SYMBOL(lustre_msg_set_versions);
1492 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1494 switch (msg->lm_magic) {
1495 case LUSTRE_MSG_MAGIC_V2: {
1496 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1497 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1498 pb->pb_transno = transno;
1502 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1505 EXPORT_SYMBOL(lustre_msg_set_transno);
1507 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1509 switch (msg->lm_magic) {
1510 case LUSTRE_MSG_MAGIC_V2: {
1511 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1512 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1513 pb->pb_status = status;
1517 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1520 EXPORT_SYMBOL(lustre_msg_set_status);
1522 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1524 switch (msg->lm_magic) {
1525 case LUSTRE_MSG_MAGIC_V2: {
1526 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1527 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1528 pb->pb_conn_cnt = conn_cnt;
1532 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1536 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1538 switch (msg->lm_magic) {
1539 case LUSTRE_MSG_MAGIC_V2: {
1540 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1541 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1542 pb->pb_timeout = timeout;
1546 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1550 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1552 switch (msg->lm_magic) {
1553 case LUSTRE_MSG_MAGIC_V2: {
1554 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1555 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1556 pb->pb_service_time = service_time;
1560 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1564 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1566 switch (msg->lm_magic) {
1567 case LUSTRE_MSG_MAGIC_V2: {
1568 __u32 opc = lustre_msg_get_opc(msg);
1569 struct ptlrpc_body *pb;
1571 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1572 * See the comment in ptlrpc_request_pack(). */
1573 if (!opc || opc == LDLM_BL_CALLBACK ||
1574 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1577 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1578 sizeof(struct ptlrpc_body));
1579 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1582 memcpy(pb->pb_jobid, jobid, sizeof(pb->pb_jobid));
1583 else if (pb->pb_jobid[0] == '\0')
1584 lustre_get_jobid(pb->pb_jobid, sizeof(pb->pb_jobid));
1588 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1591 EXPORT_SYMBOL(lustre_msg_set_jobid);
1593 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1595 switch (msg->lm_magic) {
1596 case LUSTRE_MSG_MAGIC_V2:
1597 msg->lm_cksum = cksum;
1600 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1604 void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits)
1606 switch (msg->lm_magic) {
1607 case LUSTRE_MSG_MAGIC_V2: {
1608 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1610 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1611 pb->pb_mbits = mbits;
1615 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1619 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1621 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1623 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1624 req->rq_pill.rc_area[RCL_SERVER]);
1625 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1626 req->rq_reqmsg->lm_repsize = req->rq_replen;
1628 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1630 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1632 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1633 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1634 req->rq_reqmsg->lm_repsize = req->rq_replen;
1638 * Send a remote set_info_async.
1640 * This may go from client to server or server to client.
1642 int do_set_info_async(struct obd_import *imp,
1643 int opcode, int version,
1644 size_t keylen, void *key,
1645 size_t vallen, void *val,
1646 struct ptlrpc_request_set *set)
1648 struct ptlrpc_request *req;
1653 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1657 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1658 RCL_CLIENT, keylen);
1659 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1660 RCL_CLIENT, vallen);
1661 rc = ptlrpc_request_pack(req, version, opcode);
1663 ptlrpc_request_free(req);
1667 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1668 memcpy(tmp, key, keylen);
1669 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1670 memcpy(tmp, val, vallen);
1672 ptlrpc_request_set_replen(req);
1675 ptlrpc_set_add_req(set, req);
1676 ptlrpc_check_set(NULL, set);
1678 rc = ptlrpc_queue_wait(req);
1679 ptlrpc_req_finished(req);
1684 EXPORT_SYMBOL(do_set_info_async);
1686 /* byte flipping routines for all wire types declared in
1687 * lustre_idl.h implemented here.
1689 void lustre_swab_ptlrpc_body(struct ptlrpc_body *body)
1691 __swab32s(&body->pb_type);
1692 __swab32s(&body->pb_version);
1693 __swab32s(&body->pb_opc);
1694 __swab32s(&body->pb_status);
1695 __swab64s(&body->pb_last_xid);
1696 __swab16s(&body->pb_tag);
1697 CLASSERT(offsetof(typeof(*body), pb_padding0) != 0);
1698 CLASSERT(offsetof(typeof(*body), pb_padding1) != 0);
1699 __swab64s(&body->pb_last_committed);
1700 __swab64s(&body->pb_transno);
1701 __swab32s(&body->pb_flags);
1702 __swab32s(&body->pb_op_flags);
1703 __swab32s(&body->pb_conn_cnt);
1704 __swab32s(&body->pb_timeout);
1705 __swab32s(&body->pb_service_time);
1706 __swab32s(&body->pb_limit);
1707 __swab64s(&body->pb_slv);
1708 __swab64s(&body->pb_pre_versions[0]);
1709 __swab64s(&body->pb_pre_versions[1]);
1710 __swab64s(&body->pb_pre_versions[2]);
1711 __swab64s(&body->pb_pre_versions[3]);
1712 __swab64s(&body->pb_mbits);
1713 CLASSERT(offsetof(typeof(*body), pb_padding64_0) != 0);
1714 CLASSERT(offsetof(typeof(*body), pb_padding64_1) != 0);
1715 CLASSERT(offsetof(typeof(*body), pb_padding64_2) != 0);
1716 /* While we need to maintain compatibility between
1717 * clients and servers without ptlrpc_body_v2 (< 2.3)
1718 * do not swab any fields beyond pb_jobid, as we are
1719 * using this swab function for both ptlrpc_body
1720 * and ptlrpc_body_v2. */
1721 /* pb_jobid is an ASCII string and should not be swabbed */
1722 CLASSERT(offsetof(typeof(*body), pb_jobid) != 0);
1725 void lustre_swab_connect(struct obd_connect_data *ocd)
1727 __swab64s(&ocd->ocd_connect_flags);
1728 __swab32s(&ocd->ocd_version);
1729 __swab32s(&ocd->ocd_grant);
1730 __swab64s(&ocd->ocd_ibits_known);
1731 __swab32s(&ocd->ocd_index);
1732 __swab32s(&ocd->ocd_brw_size);
1733 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1734 * they are 8-byte values */
1735 __swab16s(&ocd->ocd_grant_tax_kb);
1736 __swab32s(&ocd->ocd_grant_max_blks);
1737 __swab64s(&ocd->ocd_transno);
1738 __swab32s(&ocd->ocd_group);
1739 __swab32s(&ocd->ocd_cksum_types);
1740 __swab32s(&ocd->ocd_instance);
1741 /* Fields after ocd_cksum_types are only accessible by the receiver
1742 * if the corresponding flag in ocd_connect_flags is set. Accessing
1743 * any field after ocd_maxbytes on the receiver without a valid flag
1744 * may result in out-of-bound memory access and kernel oops. */
1745 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1746 __swab32s(&ocd->ocd_max_easize);
1747 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1748 __swab64s(&ocd->ocd_maxbytes);
1749 if (ocd->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS)
1750 __swab16s(&ocd->ocd_maxmodrpcs);
1751 CLASSERT(offsetof(typeof(*ocd), padding0) != 0);
1752 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1753 if (ocd->ocd_connect_flags & OBD_CONNECT_FLAGS2)
1754 __swab64s(&ocd->ocd_connect_flags2);
1755 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1756 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1757 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1758 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1759 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1760 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1761 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1762 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1763 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1764 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1765 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1766 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1767 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1770 static void lustre_swab_ost_layout(struct ost_layout *ol)
1772 __swab32s(&ol->ol_stripe_size);
1773 __swab32s(&ol->ol_stripe_count);
1774 __swab64s(&ol->ol_comp_start);
1775 __swab64s(&ol->ol_comp_end);
1776 __swab32s(&ol->ol_comp_id);
1779 void lustre_swab_obdo (struct obdo *o)
1781 __swab64s(&o->o_valid);
1782 lustre_swab_ost_id(&o->o_oi);
1783 __swab64s(&o->o_parent_seq);
1784 __swab64s(&o->o_size);
1785 __swab64s(&o->o_mtime);
1786 __swab64s(&o->o_atime);
1787 __swab64s(&o->o_ctime);
1788 __swab64s(&o->o_blocks);
1789 __swab64s(&o->o_grant);
1790 __swab32s(&o->o_blksize);
1791 __swab32s(&o->o_mode);
1792 __swab32s(&o->o_uid);
1793 __swab32s(&o->o_gid);
1794 __swab32s(&o->o_flags);
1795 __swab32s(&o->o_nlink);
1796 __swab32s(&o->o_parent_oid);
1797 __swab32s(&o->o_misc);
1798 __swab64s(&o->o_ioepoch);
1799 __swab32s(&o->o_stripe_idx);
1800 __swab32s(&o->o_parent_ver);
1801 lustre_swab_ost_layout(&o->o_layout);
1802 __swab32s(&o->o_layout_version);
1803 __swab32s(&o->o_uid_h);
1804 __swab32s(&o->o_gid_h);
1805 __swab64s(&o->o_data_version);
1806 __swab32s(&o->o_projid);
1807 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1808 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1809 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1812 EXPORT_SYMBOL(lustre_swab_obdo);
1814 void lustre_swab_obd_statfs (struct obd_statfs *os)
1816 __swab64s(&os->os_type);
1817 __swab64s(&os->os_blocks);
1818 __swab64s(&os->os_bfree);
1819 __swab64s(&os->os_bavail);
1820 __swab64s(&os->os_files);
1821 __swab64s(&os->os_ffree);
1822 /* no need to swab os_fsid */
1823 __swab32s(&os->os_bsize);
1824 __swab32s(&os->os_namelen);
1825 __swab64s(&os->os_maxbytes);
1826 __swab32s(&os->os_state);
1827 __swab32s(&os->os_fprecreated);
1828 __swab32s(&os->os_granted);
1829 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1830 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1831 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1832 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1833 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1834 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1835 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1838 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1840 lustre_swab_ost_id(&ioo->ioo_oid);
1841 __swab32s(&ioo->ioo_max_brw);
1842 __swab32s(&ioo->ioo_bufcnt);
1845 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1847 __swab64s(&nbr->rnb_offset);
1848 __swab32s(&nbr->rnb_len);
1849 __swab32s(&nbr->rnb_flags);
1852 void lustre_swab_ost_body (struct ost_body *b)
1854 lustre_swab_obdo (&b->oa);
1857 void lustre_swab_ost_last_id(u64 *id)
1862 void lustre_swab_generic_32s(__u32 *val)
1867 void lustre_swab_gl_lquota_desc(struct ldlm_gl_lquota_desc *desc)
1869 lustre_swab_lu_fid(&desc->gl_id.qid_fid);
1870 __swab64s(&desc->gl_flags);
1871 __swab64s(&desc->gl_ver);
1872 __swab64s(&desc->gl_hardlimit);
1873 __swab64s(&desc->gl_softlimit);
1874 __swab64s(&desc->gl_time);
1875 CLASSERT(offsetof(typeof(*desc), gl_pad2) != 0);
1877 EXPORT_SYMBOL(lustre_swab_gl_lquota_desc);
1879 void lustre_swab_gl_barrier_desc(struct ldlm_gl_barrier_desc *desc)
1881 __swab32s(&desc->lgbd_status);
1882 __swab32s(&desc->lgbd_timeout);
1883 CLASSERT(offsetof(typeof(*desc), lgbd_padding) != 0);
1885 EXPORT_SYMBOL(lustre_swab_gl_barrier_desc);
1887 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1889 __swab64s(&lvb->lvb_size);
1890 __swab64s(&lvb->lvb_mtime);
1891 __swab64s(&lvb->lvb_atime);
1892 __swab64s(&lvb->lvb_ctime);
1893 __swab64s(&lvb->lvb_blocks);
1895 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1897 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1899 __swab64s(&lvb->lvb_size);
1900 __swab64s(&lvb->lvb_mtime);
1901 __swab64s(&lvb->lvb_atime);
1902 __swab64s(&lvb->lvb_ctime);
1903 __swab64s(&lvb->lvb_blocks);
1904 __swab32s(&lvb->lvb_mtime_ns);
1905 __swab32s(&lvb->lvb_atime_ns);
1906 __swab32s(&lvb->lvb_ctime_ns);
1907 __swab32s(&lvb->lvb_padding);
1909 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1911 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1913 __swab64s(&lvb->lvb_flags);
1914 __swab64s(&lvb->lvb_id_may_rel);
1915 __swab64s(&lvb->lvb_id_rel);
1916 __swab64s(&lvb->lvb_id_qunit);
1917 __swab64s(&lvb->lvb_pad1);
1919 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1921 void lustre_swab_barrier_lvb(struct barrier_lvb *lvb)
1923 __swab32s(&lvb->lvb_status);
1924 __swab32s(&lvb->lvb_index);
1925 CLASSERT(offsetof(typeof(*lvb), lvb_padding) != 0);
1927 EXPORT_SYMBOL(lustre_swab_barrier_lvb);
1929 void lustre_swab_mdt_body (struct mdt_body *b)
1931 lustre_swab_lu_fid(&b->mbo_fid1);
1932 lustre_swab_lu_fid(&b->mbo_fid2);
1933 /* handle is opaque */
1934 __swab64s(&b->mbo_valid);
1935 __swab64s(&b->mbo_size);
1936 __swab64s(&b->mbo_mtime);
1937 __swab64s(&b->mbo_atime);
1938 __swab64s(&b->mbo_ctime);
1939 __swab64s(&b->mbo_blocks);
1940 __swab64s(&b->mbo_version);
1941 __swab64s(&b->mbo_t_state);
1942 __swab32s(&b->mbo_fsuid);
1943 __swab32s(&b->mbo_fsgid);
1944 __swab32s(&b->mbo_capability);
1945 __swab32s(&b->mbo_mode);
1946 __swab32s(&b->mbo_uid);
1947 __swab32s(&b->mbo_gid);
1948 __swab32s(&b->mbo_flags);
1949 __swab32s(&b->mbo_rdev);
1950 __swab32s(&b->mbo_nlink);
1951 __swab32s(&b->mbo_layout_gen);
1952 __swab32s(&b->mbo_suppgid);
1953 __swab32s(&b->mbo_eadatasize);
1954 __swab32s(&b->mbo_aclsize);
1955 __swab32s(&b->mbo_max_mdsize);
1956 CLASSERT(offsetof(typeof(*b), mbo_unused3) != 0);
1957 __swab32s(&b->mbo_uid_h);
1958 __swab32s(&b->mbo_gid_h);
1959 __swab32s(&b->mbo_projid);
1960 __swab64s(&b->mbo_dom_size);
1961 __swab64s(&b->mbo_dom_blocks);
1962 CLASSERT(offsetof(typeof(*b), mbo_padding_8) != 0);
1963 CLASSERT(offsetof(typeof(*b), mbo_padding_9) != 0);
1964 CLASSERT(offsetof(typeof(*b), mbo_padding_10) != 0);
1967 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1969 /* mio_open_handle is opaque */
1970 CLASSERT(offsetof(typeof(*b), mio_unused1) != 0);
1971 CLASSERT(offsetof(typeof(*b), mio_unused2) != 0);
1972 CLASSERT(offsetof(typeof(*b), mio_padding) != 0);
1975 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1979 __swab32s(&mti->mti_lustre_ver);
1980 __swab32s(&mti->mti_stripe_index);
1981 __swab32s(&mti->mti_config_ver);
1982 __swab32s(&mti->mti_flags);
1983 __swab32s(&mti->mti_instance);
1984 __swab32s(&mti->mti_nid_count);
1985 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1986 for (i = 0; i < MTI_NIDS_MAX; i++)
1987 __swab64s(&mti->mti_nids[i]);
1990 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1994 __swab64s(&entry->mne_version);
1995 __swab32s(&entry->mne_instance);
1996 __swab32s(&entry->mne_index);
1997 __swab32s(&entry->mne_length);
1999 /* mne_nid_(count|type) must be one byte size because we're gonna
2000 * access it w/o swapping. */
2001 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
2002 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
2004 /* remove this assertion if ipv6 is supported. */
2005 LASSERT(entry->mne_nid_type == 0);
2006 for (i = 0; i < entry->mne_nid_count; i++) {
2007 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
2008 __swab64s(&entry->u.nids[i]);
2011 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
2013 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
2015 __swab64s(&body->mcb_offset);
2016 __swab32s(&body->mcb_units);
2017 __swab16s(&body->mcb_type);
2020 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
2022 __swab64s(&body->mcr_offset);
2023 __swab64s(&body->mcr_size);
2026 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
2028 __swab64s (&i->dqi_bgrace);
2029 __swab64s (&i->dqi_igrace);
2030 __swab32s (&i->dqi_flags);
2031 __swab32s (&i->dqi_valid);
2034 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
2036 __swab64s (&b->dqb_ihardlimit);
2037 __swab64s (&b->dqb_isoftlimit);
2038 __swab64s (&b->dqb_curinodes);
2039 __swab64s (&b->dqb_bhardlimit);
2040 __swab64s (&b->dqb_bsoftlimit);
2041 __swab64s (&b->dqb_curspace);
2042 __swab64s (&b->dqb_btime);
2043 __swab64s (&b->dqb_itime);
2044 __swab32s (&b->dqb_valid);
2045 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
2048 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
2050 __swab32s (&q->qc_cmd);
2051 __swab32s (&q->qc_type);
2052 __swab32s (&q->qc_id);
2053 __swab32s (&q->qc_stat);
2054 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
2055 lustre_swab_obd_dqblk (&q->qc_dqblk);
2058 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
2060 lustre_swab_lu_fid(&gf->gf_fid);
2061 __swab64s(&gf->gf_recno);
2062 __swab32s(&gf->gf_linkno);
2063 __swab32s(&gf->gf_pathlen);
2065 EXPORT_SYMBOL(lustre_swab_fid2path);
2067 static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent)
2069 __swab64s(&fm_extent->fe_logical);
2070 __swab64s(&fm_extent->fe_physical);
2071 __swab64s(&fm_extent->fe_length);
2072 __swab32s(&fm_extent->fe_flags);
2073 __swab32s(&fm_extent->fe_device);
2076 static void lustre_swab_fiemap_hdr(struct fiemap *fiemap)
2078 __swab64s(&fiemap->fm_start);
2079 __swab64s(&fiemap->fm_length);
2080 __swab32s(&fiemap->fm_flags);
2081 __swab32s(&fiemap->fm_mapped_extents);
2082 __swab32s(&fiemap->fm_extent_count);
2083 __swab32s(&fiemap->fm_reserved);
2086 void lustre_swab_fiemap(struct fiemap *fiemap)
2090 lustre_swab_fiemap_hdr(fiemap);
2092 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2093 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2096 void lustre_swab_fiemap_info_key(struct ll_fiemap_info_key *fiemap_info)
2098 lustre_swab_obdo(&fiemap_info->lfik_oa);
2099 lustre_swab_fiemap_hdr(&fiemap_info->lfik_fiemap);
2102 void lustre_swab_idx_info(struct idx_info *ii)
2104 __swab32s(&ii->ii_magic);
2105 __swab32s(&ii->ii_flags);
2106 __swab16s(&ii->ii_count);
2107 __swab32s(&ii->ii_attrs);
2108 lustre_swab_lu_fid(&ii->ii_fid);
2109 __swab64s(&ii->ii_version);
2110 __swab64s(&ii->ii_hash_start);
2111 __swab64s(&ii->ii_hash_end);
2112 __swab16s(&ii->ii_keysize);
2113 __swab16s(&ii->ii_recsize);
2116 void lustre_swab_lip_header(struct lu_idxpage *lip)
2119 __swab32s(&lip->lip_magic);
2120 __swab16s(&lip->lip_flags);
2121 __swab16s(&lip->lip_nr);
2123 EXPORT_SYMBOL(lustre_swab_lip_header);
2125 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2127 __swab32s(&rr->rr_opcode);
2128 __swab32s(&rr->rr_cap);
2129 __swab32s(&rr->rr_fsuid);
2130 /* rr_fsuid_h is unused */
2131 __swab32s(&rr->rr_fsgid);
2132 /* rr_fsgid_h is unused */
2133 __swab32s(&rr->rr_suppgid1);
2134 /* rr_suppgid1_h is unused */
2135 __swab32s(&rr->rr_suppgid2);
2136 /* rr_suppgid2_h is unused */
2137 lustre_swab_lu_fid(&rr->rr_fid1);
2138 lustre_swab_lu_fid(&rr->rr_fid2);
2139 __swab64s(&rr->rr_mtime);
2140 __swab64s(&rr->rr_atime);
2141 __swab64s(&rr->rr_ctime);
2142 __swab64s(&rr->rr_size);
2143 __swab64s(&rr->rr_blocks);
2144 __swab32s(&rr->rr_bias);
2145 __swab32s(&rr->rr_mode);
2146 __swab32s(&rr->rr_flags);
2147 __swab32s(&rr->rr_flags_h);
2148 __swab32s(&rr->rr_umask);
2149 __swab16s(&rr->rr_mirror_id);
2151 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2154 void lustre_swab_lov_desc (struct lov_desc *ld)
2156 __swab32s (&ld->ld_tgt_count);
2157 __swab32s (&ld->ld_active_tgt_count);
2158 __swab32s (&ld->ld_default_stripe_count);
2159 __swab32s (&ld->ld_pattern);
2160 __swab64s (&ld->ld_default_stripe_size);
2161 __swab64s (&ld->ld_default_stripe_offset);
2162 __swab32s (&ld->ld_qos_maxage);
2163 /* uuid endian insensitive */
2165 EXPORT_SYMBOL(lustre_swab_lov_desc);
2167 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2169 __swab32s (&ld->ld_tgt_count);
2170 __swab32s (&ld->ld_active_tgt_count);
2171 __swab32s (&ld->ld_default_stripe_count);
2172 __swab32s (&ld->ld_pattern);
2173 __swab64s (&ld->ld_default_hash_size);
2174 __swab32s (&ld->ld_qos_maxage);
2175 /* uuid endian insensitive */
2178 /* This structure is always in little-endian */
2179 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2183 __swab32s(&lmm1->lmv_magic);
2184 __swab32s(&lmm1->lmv_stripe_count);
2185 __swab32s(&lmm1->lmv_master_mdt_index);
2186 __swab32s(&lmm1->lmv_hash_type);
2187 __swab32s(&lmm1->lmv_layout_version);
2188 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2189 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2192 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2194 switch (lmm->lmv_magic) {
2196 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2202 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
2204 void lustre_swab_lmv_user_md_objects(struct lmv_user_mds_data *lmd,
2209 for (i = 0; i < stripe_count; i++)
2210 __swab32s(&(lmd[i].lum_mds));
2212 EXPORT_SYMBOL(lustre_swab_lmv_user_md_objects);
2215 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2219 if (lum->lum_magic == LMV_MAGIC_FOREIGN) {
2220 __swab32s(&lum->lum_magic);
2221 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_length);
2222 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_type);
2223 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_flags);
2227 count = lum->lum_stripe_count;
2228 __swab32s(&lum->lum_magic);
2229 __swab32s(&lum->lum_stripe_count);
2230 __swab32s(&lum->lum_stripe_offset);
2231 __swab32s(&lum->lum_hash_type);
2232 __swab32s(&lum->lum_type);
2233 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2234 switch (lum->lum_magic) {
2235 case LMV_USER_MAGIC_SPECIFIC:
2236 count = lum->lum_stripe_count;
2238 case __swab32(LMV_USER_MAGIC_SPECIFIC):
2239 lustre_swab_lmv_user_md_objects(lum->lum_objects, count);
2245 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2247 static void lustre_print_v1v3(unsigned int lvl, struct lov_user_md *lum,
2250 CDEBUG(lvl, "%s lov_user_md %p:\n", msg, lum);
2251 CDEBUG(lvl, "\tlmm_magic: %#x\n", lum->lmm_magic);
2252 CDEBUG(lvl, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2253 CDEBUG(lvl, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
2254 CDEBUG(lvl, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
2255 CDEBUG(lvl, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2256 CDEBUG(lvl, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2257 CDEBUG(lvl, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2258 lum->lmm_stripe_offset);
2259 if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
2260 struct lov_user_md_v3 *v3 = (void *)lum;
2261 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2263 if (lum->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2264 struct lov_user_md_v3 *v3 = (void *)lum;
2267 if (v3->lmm_pool_name[0] != '\0')
2268 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2270 CDEBUG(lvl, "\ttarget list:\n");
2271 for (i = 0; i < v3->lmm_stripe_count; i++)
2272 CDEBUG(lvl, "\t\t%u\n", v3->lmm_objects[i].l_ost_idx);
2276 void lustre_print_user_md(unsigned int lvl, struct lov_user_md *lum,
2279 struct lov_comp_md_v1 *comp_v1;
2282 if (likely(!cfs_cdebug_show(lvl, DEBUG_SUBSYSTEM)))
2285 if (lum->lmm_magic == LOV_USER_MAGIC_V1 ||
2286 lum->lmm_magic == LOV_USER_MAGIC_V3) {
2287 lustre_print_v1v3(lvl, lum, msg);
2291 if (lum->lmm_magic != LOV_USER_MAGIC_COMP_V1) {
2292 CDEBUG(lvl, "%s: bad magic: %x\n", msg, lum->lmm_magic);
2296 comp_v1 = (struct lov_comp_md_v1 *)lum;
2297 CDEBUG(lvl, "%s: lov_comp_md_v1 %p:\n", msg, lum);
2298 CDEBUG(lvl, "\tlcm_magic: %#x\n", comp_v1->lcm_magic);
2299 CDEBUG(lvl, "\tlcm_size: %#x\n", comp_v1->lcm_size);
2300 CDEBUG(lvl, "\tlcm_layout_gen: %#x\n", comp_v1->lcm_layout_gen);
2301 CDEBUG(lvl, "\tlcm_flags: %#x\n", comp_v1->lcm_flags);
2302 CDEBUG(lvl, "\tlcm_entry_count: %#x\n\n", comp_v1->lcm_entry_count);
2303 CDEBUG(lvl, "\tlcm_mirror_count: %#x\n\n", comp_v1->lcm_mirror_count);
2305 for (i = 0; i < comp_v1->lcm_entry_count; i++) {
2306 struct lov_comp_md_entry_v1 *ent = &comp_v1->lcm_entries[i];
2307 struct lov_user_md *v1;
2309 CDEBUG(lvl, "\tentry %d:\n", i);
2310 CDEBUG(lvl, "\tlcme_id: %#x\n", ent->lcme_id);
2311 CDEBUG(lvl, "\tlcme_flags: %#x\n", ent->lcme_flags);
2312 if (ent->lcme_flags & LCME_FL_NOSYNC)
2313 CDEBUG(lvl, "\tlcme_timestamp: %llu\n",
2314 ent->lcme_timestamp);
2315 CDEBUG(lvl, "\tlcme_extent.e_start: %llu\n",
2316 ent->lcme_extent.e_start);
2317 CDEBUG(lvl, "\tlcme_extent.e_end: %llu\n",
2318 ent->lcme_extent.e_end);
2319 CDEBUG(lvl, "\tlcme_offset: %#x\n", ent->lcme_offset);
2320 CDEBUG(lvl, "\tlcme_size: %#x\n\n", ent->lcme_size);
2322 v1 = (struct lov_user_md *)((char *)comp_v1 +
2323 comp_v1->lcm_entries[i].lcme_offset);
2324 lustre_print_v1v3(lvl, v1, msg);
2327 EXPORT_SYMBOL(lustre_print_user_md);
2329 static void lustre_swab_lmm_oi(struct ost_id *oi)
2331 __swab64s(&oi->oi.oi_id);
2332 __swab64s(&oi->oi.oi_seq);
2335 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2338 __swab32s(&lum->lmm_magic);
2339 __swab32s(&lum->lmm_pattern);
2340 lustre_swab_lmm_oi(&lum->lmm_oi);
2341 __swab32s(&lum->lmm_stripe_size);
2342 __swab16s(&lum->lmm_stripe_count);
2343 __swab16s(&lum->lmm_stripe_offset);
2347 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2350 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2351 lustre_swab_lov_user_md_common(lum);
2354 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2356 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2359 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2360 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2361 /* lmm_pool_name nothing to do with char */
2364 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2366 void lustre_swab_lov_comp_md_v1(struct lov_comp_md_v1 *lum)
2368 struct lov_comp_md_entry_v1 *ent;
2369 struct lov_user_md_v1 *v1;
2370 struct lov_user_md_v3 *v3;
2374 __u16 ent_count, stripe_count;
2377 cpu_endian = lum->lcm_magic == LOV_USER_MAGIC_COMP_V1;
2378 ent_count = lum->lcm_entry_count;
2380 __swab16s(&ent_count);
2382 CDEBUG(D_IOCTL, "swabbing lov_user_comp_md v1\n");
2383 __swab32s(&lum->lcm_magic);
2384 __swab32s(&lum->lcm_size);
2385 __swab32s(&lum->lcm_layout_gen);
2386 __swab16s(&lum->lcm_flags);
2387 __swab16s(&lum->lcm_entry_count);
2388 __swab16s(&lum->lcm_mirror_count);
2389 CLASSERT(offsetof(typeof(*lum), lcm_padding1) != 0);
2390 CLASSERT(offsetof(typeof(*lum), lcm_padding2) != 0);
2392 for (i = 0; i < ent_count; i++) {
2393 ent = &lum->lcm_entries[i];
2394 off = ent->lcme_offset;
2395 size = ent->lcme_size;
2401 __swab32s(&ent->lcme_id);
2402 __swab32s(&ent->lcme_flags);
2403 __swab64s(&ent->lcme_timestamp);
2404 __swab64s(&ent->lcme_extent.e_start);
2405 __swab64s(&ent->lcme_extent.e_end);
2406 __swab32s(&ent->lcme_offset);
2407 __swab32s(&ent->lcme_size);
2408 __swab32s(&ent->lcme_layout_gen);
2409 CLASSERT(offsetof(typeof(*ent), lcme_padding_1) != 0);
2411 v1 = (struct lov_user_md_v1 *)((char *)lum + off);
2412 stripe_count = v1->lmm_stripe_count;
2414 __swab16s(&stripe_count);
2416 if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V1) ||
2417 v1->lmm_magic == LOV_USER_MAGIC_V1) {
2418 lustre_swab_lov_user_md_v1(v1);
2419 if (size > sizeof(*v1))
2420 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2422 } else if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V3) ||
2423 v1->lmm_magic == LOV_USER_MAGIC_V3 ||
2424 v1->lmm_magic == __swab32(LOV_USER_MAGIC_SPECIFIC) ||
2425 v1->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2426 v3 = (struct lov_user_md_v3 *)v1;
2427 lustre_swab_lov_user_md_v3(v3);
2428 if (size > sizeof(*v3))
2429 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2432 CERROR("Invalid magic %#x\n", v1->lmm_magic);
2436 EXPORT_SYMBOL(lustre_swab_lov_comp_md_v1);
2438 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2443 for (i = 0; i < stripe_count; i++) {
2444 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2445 __swab32s(&(lod[i].l_ost_gen));
2446 __swab32s(&(lod[i].l_ost_idx));
2450 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2452 void lustre_swab_lov_user_md(struct lov_user_md *lum, size_t size)
2454 struct lov_user_md_v1 *v1;
2455 struct lov_user_md_v3 *v3;
2456 struct lov_foreign_md *lfm;
2460 CDEBUG(D_IOCTL, "swabbing lov_user_md\n");
2461 switch (lum->lmm_magic) {
2462 case __swab32(LOV_MAGIC_V1):
2463 case LOV_USER_MAGIC_V1:
2465 v1 = (struct lov_user_md_v1 *)lum;
2466 stripe_count = v1->lmm_stripe_count;
2468 if (lum->lmm_magic != LOV_USER_MAGIC_V1)
2469 __swab16s(&stripe_count);
2471 lustre_swab_lov_user_md_v1(v1);
2472 if (size > sizeof(*v1))
2473 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2478 case __swab32(LOV_MAGIC_V3):
2479 case LOV_USER_MAGIC_V3:
2481 v3 = (struct lov_user_md_v3 *)lum;
2482 stripe_count = v3->lmm_stripe_count;
2484 if (lum->lmm_magic != LOV_USER_MAGIC_V3)
2485 __swab16s(&stripe_count);
2487 lustre_swab_lov_user_md_v3(v3);
2488 if (size > sizeof(*v3))
2489 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2493 case __swab32(LOV_USER_MAGIC_SPECIFIC):
2494 case LOV_USER_MAGIC_SPECIFIC:
2496 v3 = (struct lov_user_md_v3 *)lum;
2497 stripe_count = v3->lmm_stripe_count;
2499 if (lum->lmm_magic != LOV_USER_MAGIC_SPECIFIC)
2500 __swab16s(&stripe_count);
2502 lustre_swab_lov_user_md_v3(v3);
2503 lustre_swab_lov_user_md_objects(v3->lmm_objects, stripe_count);
2506 case __swab32(LOV_MAGIC_COMP_V1):
2507 case LOV_USER_MAGIC_COMP_V1:
2508 lustre_swab_lov_comp_md_v1((struct lov_comp_md_v1 *)lum);
2510 case __swab32(LOV_MAGIC_FOREIGN):
2511 case LOV_USER_MAGIC_FOREIGN:
2513 lfm = (struct lov_foreign_md *)lum;
2514 __swab32s(&lfm->lfm_magic);
2515 __swab32s(&lfm->lfm_length);
2516 __swab32s(&lfm->lfm_type);
2517 __swab32s(&lfm->lfm_flags);
2521 CDEBUG(D_IOCTL, "Invalid LOV magic %08x\n", lum->lmm_magic);
2524 EXPORT_SYMBOL(lustre_swab_lov_user_md);
2526 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2529 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2530 __swab32s(&lmm->lmm_magic);
2531 __swab32s(&lmm->lmm_pattern);
2532 lustre_swab_lmm_oi(&lmm->lmm_oi);
2533 __swab32s(&lmm->lmm_stripe_size);
2534 __swab16s(&lmm->lmm_stripe_count);
2535 __swab16s(&lmm->lmm_layout_gen);
2538 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2540 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2544 for (i = 0; i < RES_NAME_SIZE; i++)
2545 __swab64s (&id->name[i]);
2548 void lustre_swab_ldlm_policy_data(union ldlm_wire_policy_data *d)
2550 /* the lock data is a union and the first two fields are always an
2551 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2552 * data the same way. */
2553 __swab64s(&d->l_extent.start);
2554 __swab64s(&d->l_extent.end);
2555 __swab64s(&d->l_extent.gid);
2556 __swab64s(&d->l_flock.lfw_owner);
2557 __swab32s(&d->l_flock.lfw_pid);
2560 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2565 void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2567 __swab32s(&r->lr_type);
2568 CLASSERT(offsetof(typeof(*r), lr_pad) != 0);
2569 lustre_swab_ldlm_res_id(&r->lr_name);
2572 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2574 lustre_swab_ldlm_resource_desc (&l->l_resource);
2575 __swab32s (&l->l_req_mode);
2576 __swab32s (&l->l_granted_mode);
2577 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2580 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2582 __swab32s (&rq->lock_flags);
2583 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2584 __swab32s (&rq->lock_count);
2585 /* lock_handle[] opaque */
2588 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2590 __swab32s (&r->lock_flags);
2591 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2592 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2593 /* lock_handle opaque */
2594 __swab64s (&r->lock_policy_res1);
2595 __swab64s (&r->lock_policy_res2);
2598 void lustre_swab_quota_body(struct quota_body *b)
2600 lustre_swab_lu_fid(&b->qb_fid);
2601 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2602 __swab32s(&b->qb_flags);
2603 __swab64s(&b->qb_count);
2604 __swab64s(&b->qb_usage);
2605 __swab64s(&b->qb_slv_ver);
2608 /* Dump functions */
2609 void dump_ioo(struct obd_ioobj *ioo)
2612 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2613 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2617 void dump_rniobuf(struct niobuf_remote *nb)
2619 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2620 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2623 void dump_obdo(struct obdo *oa)
2625 u64 valid = oa->o_valid;
2627 CDEBUG(D_RPCTRACE, "obdo: o_valid = %#llx\n", valid);
2628 if (valid & OBD_MD_FLID)
2629 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2630 if (valid & OBD_MD_FLFID)
2631 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2633 if (valid & OBD_MD_FLSIZE)
2634 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2635 if (valid & OBD_MD_FLMTIME)
2636 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2637 if (valid & OBD_MD_FLATIME)
2638 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2639 if (valid & OBD_MD_FLCTIME)
2640 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2641 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2642 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2643 if (valid & OBD_MD_FLGRANT)
2644 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2645 if (valid & OBD_MD_FLBLKSZ)
2646 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2647 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2648 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2649 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2650 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2651 if (valid & OBD_MD_FLUID)
2652 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2653 if (valid & OBD_MD_FLUID)
2654 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2655 if (valid & OBD_MD_FLGID)
2656 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2657 if (valid & OBD_MD_FLGID)
2658 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2659 if (valid & OBD_MD_FLFLAGS)
2660 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2661 if (valid & OBD_MD_FLNLINK)
2662 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2663 else if (valid & OBD_MD_FLCKSUM)
2664 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2666 if (valid & OBD_MD_FLPARENT)
2667 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2669 if (valid & OBD_MD_FLFID) {
2670 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2672 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2675 if (valid & OBD_MD_FLHANDLE)
2676 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2677 oa->o_handle.cookie);
2680 void dump_ost_body(struct ost_body *ob)
2685 void dump_rcs(__u32 *rc)
2687 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2690 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2692 LASSERT(req->rq_reqmsg);
2694 switch (req->rq_reqmsg->lm_magic) {
2695 case LUSTRE_MSG_MAGIC_V2:
2696 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2698 CERROR("bad lustre msg magic: %#08X\n",
2699 req->rq_reqmsg->lm_magic);
2704 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2706 if (unlikely(!req->rq_repmsg))
2709 switch (req->rq_repmsg->lm_magic) {
2710 case LUSTRE_MSG_MAGIC_V2:
2711 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2713 /* uninitialized yet */
2718 void _debug_req(struct ptlrpc_request *req,
2719 struct libcfs_debug_msg_data *msgdata, const char *fmt, ...)
2721 bool req_ok = req->rq_reqmsg != NULL;
2722 bool rep_ok = false;
2723 lnet_nid_t nid = LNET_NID_ANY;
2724 struct va_format vaf;
2727 int rep_status = -1;
2729 spin_lock(&req->rq_early_free_lock);
2733 if (ptlrpc_req_need_swab(req)) {
2734 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2735 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2739 rep_flags = lustre_msg_get_flags(req->rq_repmsg);
2740 rep_status = lustre_msg_get_status(req->rq_repmsg);
2742 spin_unlock(&req->rq_early_free_lock);
2744 if (req->rq_import && req->rq_import->imp_connection)
2745 nid = req->rq_import->imp_connection->c_peer.nid;
2746 else if (req->rq_export && req->rq_export->exp_connection)
2747 nid = req->rq_export->exp_connection->c_peer.nid;
2749 va_start(args, fmt);
2752 libcfs_debug_msg(msgdata,
2753 "%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",
2755 req, req->rq_xid, req->rq_transno,
2756 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2757 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2759 req->rq_import->imp_obd->obd_name :
2761 req->rq_export->exp_client_uuid.uuid :
2763 libcfs_nid2str(nid),
2764 req->rq_request_portal, req->rq_reply_portal,
2765 req->rq_reqlen, req->rq_replen,
2766 req->rq_early_count, (s64)req->rq_timedout,
2767 (s64)req->rq_deadline,
2768 atomic_read(&req->rq_refcount),
2769 DEBUG_REQ_FLAGS(req),
2770 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2771 rep_flags, req->rq_status, rep_status,
2772 req_ok ? lustre_msg_get_jobid(req->rq_reqmsg) ?: ""
2776 EXPORT_SYMBOL(_debug_req);
2778 void lustre_swab_lustre_capa(struct lustre_capa *c)
2780 lustre_swab_lu_fid(&c->lc_fid);
2781 __swab64s (&c->lc_opc);
2782 __swab64s (&c->lc_uid);
2783 __swab64s (&c->lc_gid);
2784 __swab32s (&c->lc_flags);
2785 __swab32s (&c->lc_keyid);
2786 __swab32s (&c->lc_timeout);
2787 __swab32s (&c->lc_expiry);
2790 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2792 __swab64s (&k->lk_seq);
2793 __swab32s (&k->lk_keyid);
2794 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2797 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2799 __swab32s(&state->hus_states);
2800 __swab32s(&state->hus_archive_id);
2803 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2805 __swab32s(&hss->hss_valid);
2806 __swab64s(&hss->hss_setmask);
2807 __swab64s(&hss->hss_clearmask);
2808 __swab32s(&hss->hss_archive_id);
2811 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2813 __swab64s(&extent->offset);
2814 __swab64s(&extent->length);
2817 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2819 __swab32s(&action->hca_state);
2820 __swab32s(&action->hca_action);
2821 lustre_swab_hsm_extent(&action->hca_location);
2824 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2826 lustre_swab_lu_fid(&hui->hui_fid);
2827 lustre_swab_hsm_extent(&hui->hui_extent);
2830 void lustre_swab_lu_extent(struct lu_extent *le)
2832 __swab64s(&le->e_start);
2833 __swab64s(&le->e_end);
2836 void lustre_swab_layout_intent(struct layout_intent *li)
2838 __swab32s(&li->li_opc);
2839 __swab32s(&li->li_flags);
2840 lustre_swab_lu_extent(&li->li_extent);
2843 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2845 lustre_swab_lu_fid(&hpk->hpk_fid);
2846 __swab64s(&hpk->hpk_cookie);
2847 __swab64s(&hpk->hpk_extent.offset);
2848 __swab64s(&hpk->hpk_extent.length);
2849 __swab16s(&hpk->hpk_flags);
2850 __swab16s(&hpk->hpk_errval);
2853 void lustre_swab_hsm_request(struct hsm_request *hr)
2855 __swab32s(&hr->hr_action);
2856 __swab32s(&hr->hr_archive_id);
2857 __swab64s(&hr->hr_flags);
2858 __swab32s(&hr->hr_itemcount);
2859 __swab32s(&hr->hr_data_len);
2862 void lustre_swab_object_update(struct object_update *ou)
2864 struct object_update_param *param;
2867 __swab16s(&ou->ou_type);
2868 __swab16s(&ou->ou_params_count);
2869 __swab32s(&ou->ou_result_size);
2870 __swab32s(&ou->ou_flags);
2871 __swab32s(&ou->ou_padding1);
2872 __swab64s(&ou->ou_batchid);
2873 lustre_swab_lu_fid(&ou->ou_fid);
2874 param = &ou->ou_params[0];
2875 for (i = 0; i < ou->ou_params_count; i++) {
2876 __swab16s(¶m->oup_len);
2877 __swab16s(¶m->oup_padding);
2878 __swab32s(¶m->oup_padding2);
2879 param = (struct object_update_param *)((char *)param +
2880 object_update_param_size(param));
2884 void lustre_swab_object_update_request(struct object_update_request *our)
2887 __swab32s(&our->ourq_magic);
2888 __swab16s(&our->ourq_count);
2889 __swab16s(&our->ourq_padding);
2890 for (i = 0; i < our->ourq_count; i++) {
2891 struct object_update *ou;
2893 ou = object_update_request_get(our, i, NULL);
2896 lustre_swab_object_update(ou);
2900 void lustre_swab_object_update_result(struct object_update_result *our)
2902 __swab32s(&our->our_rc);
2903 __swab16s(&our->our_datalen);
2904 __swab16s(&our->our_padding);
2907 void lustre_swab_object_update_reply(struct object_update_reply *our)
2911 __swab32s(&our->ourp_magic);
2912 __swab16s(&our->ourp_count);
2913 __swab16s(&our->ourp_padding);
2914 for (i = 0; i < our->ourp_count; i++) {
2915 struct object_update_result *ourp;
2917 __swab16s(&our->ourp_lens[i]);
2918 ourp = object_update_result_get(our, i, NULL);
2921 lustre_swab_object_update_result(ourp);
2925 void lustre_swab_out_update_header(struct out_update_header *ouh)
2927 __swab32s(&ouh->ouh_magic);
2928 __swab32s(&ouh->ouh_count);
2929 __swab32s(&ouh->ouh_inline_length);
2930 __swab32s(&ouh->ouh_reply_size);
2932 EXPORT_SYMBOL(lustre_swab_out_update_header);
2934 void lustre_swab_out_update_buffer(struct out_update_buffer *oub)
2936 __swab32s(&oub->oub_size);
2937 __swab32s(&oub->oub_padding);
2939 EXPORT_SYMBOL(lustre_swab_out_update_buffer);
2941 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2943 __swab64s(&msl->msl_flags);
2946 void lustre_swab_close_data(struct close_data *cd)
2948 lustre_swab_lu_fid(&cd->cd_fid);
2949 __swab64s(&cd->cd_data_version);
2952 void lustre_swab_close_data_resync_done(struct close_data_resync_done *resync)
2956 __swab32s(&resync->resync_count);
2957 /* after swab, resync_count must in CPU endian */
2958 if (resync->resync_count <= INLINE_RESYNC_ARRAY_SIZE) {
2959 for (i = 0; i < resync->resync_count; i++)
2960 __swab32s(&resync->resync_ids_inline[i]);
2963 EXPORT_SYMBOL(lustre_swab_close_data_resync_done);
2965 void lustre_swab_lfsck_request(struct lfsck_request *lr)
2967 __swab32s(&lr->lr_event);
2968 __swab32s(&lr->lr_index);
2969 __swab32s(&lr->lr_flags);
2970 __swab32s(&lr->lr_valid);
2971 __swab32s(&lr->lr_speed);
2972 __swab16s(&lr->lr_version);
2973 __swab16s(&lr->lr_active);
2974 __swab16s(&lr->lr_param);
2975 __swab16s(&lr->lr_async_windows);
2976 __swab32s(&lr->lr_flags);
2977 lustre_swab_lu_fid(&lr->lr_fid);
2978 lustre_swab_lu_fid(&lr->lr_fid2);
2979 __swab32s(&lr->lr_comp_id);
2980 CLASSERT(offsetof(typeof(*lr), lr_padding_0) != 0);
2981 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2982 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2983 CLASSERT(offsetof(typeof(*lr), lr_padding_3) != 0);
2986 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
2988 __swab32s(&lr->lr_status);
2989 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2990 __swab64s(&lr->lr_repaired);
2993 static void lustre_swab_orphan_rec(struct lu_orphan_rec *rec)
2995 lustre_swab_lu_fid(&rec->lor_fid);
2996 __swab32s(&rec->lor_uid);
2997 __swab32s(&rec->lor_gid);
3000 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
3002 lustre_swab_lu_fid(&ent->loe_key);
3003 lustre_swab_orphan_rec(&ent->loe_rec);
3005 EXPORT_SYMBOL(lustre_swab_orphan_ent);
3007 void lustre_swab_orphan_ent_v2(struct lu_orphan_ent_v2 *ent)
3009 lustre_swab_lu_fid(&ent->loe_key);
3010 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
3011 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
3012 CLASSERT(offsetof(typeof(ent->loe_rec), lor_padding) != 0);
3014 EXPORT_SYMBOL(lustre_swab_orphan_ent_v2);
3016 void lustre_swab_orphan_ent_v3(struct lu_orphan_ent_v3 *ent)
3018 lustre_swab_lu_fid(&ent->loe_key);
3019 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
3020 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
3021 __swab32s(&ent->loe_rec.lor_layout_version);
3022 __swab32s(&ent->loe_rec.lor_range);
3023 CLASSERT(offsetof(typeof(ent->loe_rec), lor_padding_1) != 0);
3024 CLASSERT(offsetof(typeof(ent->loe_rec), lor_padding_2) != 0);
3026 EXPORT_SYMBOL(lustre_swab_orphan_ent_v3);
3028 void lustre_swab_ladvise(struct lu_ladvise *ladvise)
3030 __swab16s(&ladvise->lla_advice);
3031 __swab16s(&ladvise->lla_value1);
3032 __swab32s(&ladvise->lla_value2);
3033 __swab64s(&ladvise->lla_start);
3034 __swab64s(&ladvise->lla_end);
3035 __swab32s(&ladvise->lla_value3);
3036 __swab32s(&ladvise->lla_value4);
3038 EXPORT_SYMBOL(lustre_swab_ladvise);
3040 void lustre_swab_ladvise_hdr(struct ladvise_hdr *ladvise_hdr)
3042 __swab32s(&ladvise_hdr->lah_magic);
3043 __swab32s(&ladvise_hdr->lah_count);
3044 __swab64s(&ladvise_hdr->lah_flags);
3045 __swab32s(&ladvise_hdr->lah_value1);
3046 __swab32s(&ladvise_hdr->lah_value2);
3047 __swab64s(&ladvise_hdr->lah_value3);
3049 EXPORT_SYMBOL(lustre_swab_ladvise_hdr);