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)
64 case LUSTRE_MSG_MAGIC_V2:
65 return lustre_msg_hdr_size_v2(count);
67 LASSERTF(0, "incorrect message magic: %08x\n", magic);
72 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
76 lustre_set_req_swabbed(req, index);
78 lustre_set_rep_swabbed(req, index);
81 bool ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
85 return (ptlrpc_req_need_swab(req) &&
86 !lustre_req_swabbed(req, index));
88 return (ptlrpc_rep_need_swab(req) && !lustre_rep_swabbed(req, index));
91 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
92 enum lustre_msg_version version)
94 enum lustre_msg_version ver = lustre_msg_get_version(msg);
96 return (ver & LUSTRE_VERSION_MASK) != version;
99 int lustre_msg_check_version(struct lustre_msg *msg,
100 enum lustre_msg_version version)
102 #define LUSTRE_MSG_MAGIC_V1 0x0BD00BD0
103 switch (msg->lm_magic) {
104 case LUSTRE_MSG_MAGIC_V1:
105 CERROR("msg v1 not supported - please upgrade you system\n");
107 case LUSTRE_MSG_MAGIC_V2:
108 return lustre_msg_check_version_v2(msg, version);
110 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
113 #undef LUSTRE_MSG_MAGIC_V1
116 /* early reply size */
117 __u32 lustre_msg_early_size()
121 /* Always reply old ptlrpc_body_v2 to keep interoprability
122 * with the old client (< 2.3) which doesn't have pb_jobid
123 * in the ptlrpc_body.
125 * XXX Remove this whenever we dorp interoprability with such
128 __u32 pblen = sizeof(struct ptlrpc_body_v2);
129 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
133 EXPORT_SYMBOL(lustre_msg_early_size);
135 __u32 lustre_msg_size_v2(int count, __u32 *lengths)
140 size = lustre_msg_hdr_size_v2(count);
141 for (i = 0; i < count; i++)
142 size += cfs_size_round(lengths[i]);
146 EXPORT_SYMBOL(lustre_msg_size_v2);
148 /* This returns the size of the buffer that is required to hold a lustre_msg
149 * with the given sub-buffer lengths.
150 * NOTE: this should only be used for NEW requests, and should always be
151 * in the form of a v2 request. If this is a connection to a v1
152 * target then the first buffer will be stripped because the ptlrpc
153 * data is part of the lustre_msg_v1 header. b=14043 */
154 __u32 lustre_msg_size(__u32 magic, int count, __u32 *lens)
156 __u32 size[] = { sizeof(struct ptlrpc_body) };
164 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
167 case LUSTRE_MSG_MAGIC_V2:
168 return lustre_msg_size_v2(count, lens);
170 LASSERTF(0, "incorrect message magic: %08x\n", magic);
175 /* This is used to determine the size of a buffer that was already packed
176 * and will correctly handle the different message formats. */
177 __u32 lustre_packed_msg_size(struct lustre_msg *msg)
179 switch (msg->lm_magic) {
180 case LUSTRE_MSG_MAGIC_V2:
181 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
183 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
187 EXPORT_SYMBOL(lustre_packed_msg_size);
189 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
195 msg->lm_bufcount = count;
196 /* XXX: lm_secflvr uninitialized here */
197 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
199 for (i = 0; i < count; i++)
200 msg->lm_buflens[i] = lens[i];
205 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
206 for (i = 0; i < count; i++) {
210 memcpy(ptr, tmp, lens[i]);
211 ptr += cfs_size_round(lens[i]);
214 EXPORT_SYMBOL(lustre_init_msg_v2);
216 static int lustre_pack_request_v2(struct ptlrpc_request *req,
217 int count, __u32 *lens, char **bufs)
221 reqlen = lustre_msg_size_v2(count, lens);
223 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
227 req->rq_reqlen = reqlen;
229 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
230 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
234 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
235 __u32 *lens, char **bufs)
237 __u32 size[] = { sizeof(struct ptlrpc_body) };
245 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
247 /* only use new format, we don't need to be compatible with 1.4 */
248 magic = LUSTRE_MSG_MAGIC_V2;
251 case LUSTRE_MSG_MAGIC_V2:
252 return lustre_pack_request_v2(req, count, lens, bufs);
254 LASSERTF(0, "incorrect message magic: %08x\n", magic);
260 struct list_head ptlrpc_rs_debug_lru =
261 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
262 spinlock_t ptlrpc_rs_debug_lock;
264 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
266 spin_lock(&ptlrpc_rs_debug_lock); \
267 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
268 spin_unlock(&ptlrpc_rs_debug_lock); \
271 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
273 spin_lock(&ptlrpc_rs_debug_lock); \
274 list_del(&(rs)->rs_debug_list); \
275 spin_unlock(&ptlrpc_rs_debug_lock); \
278 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
279 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
282 struct ptlrpc_reply_state *
283 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
285 struct ptlrpc_reply_state *rs = NULL;
287 spin_lock(&svcpt->scp_rep_lock);
289 /* See if we have anything in a pool, and wait if nothing */
290 while (list_empty(&svcpt->scp_rep_idle)) {
291 struct l_wait_info lwi;
294 spin_unlock(&svcpt->scp_rep_lock);
295 /* If we cannot get anything for some long time, we better
296 * bail out instead of waiting infinitely */
297 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
298 rc = l_wait_event(svcpt->scp_rep_waitq,
299 !list_empty(&svcpt->scp_rep_idle), &lwi);
302 spin_lock(&svcpt->scp_rep_lock);
305 rs = list_entry(svcpt->scp_rep_idle.next,
306 struct ptlrpc_reply_state, rs_list);
307 list_del(&rs->rs_list);
309 spin_unlock(&svcpt->scp_rep_lock);
311 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
312 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
313 rs->rs_svcpt = svcpt;
319 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
321 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
323 spin_lock(&svcpt->scp_rep_lock);
324 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
325 spin_unlock(&svcpt->scp_rep_lock);
326 wake_up(&svcpt->scp_rep_waitq);
329 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
330 __u32 *lens, char **bufs, int flags)
332 struct ptlrpc_reply_state *rs;
336 LASSERT(req->rq_reply_state == NULL);
338 if ((flags & LPRFL_EARLY_REPLY) == 0) {
339 spin_lock(&req->rq_lock);
340 req->rq_packed_final = 1;
341 spin_unlock(&req->rq_lock);
344 msg_len = lustre_msg_size_v2(count, lens);
345 rc = sptlrpc_svc_alloc_rs(req, msg_len);
349 rs = req->rq_reply_state;
350 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
351 rs->rs_cb_id.cbid_fn = reply_out_callback;
352 rs->rs_cb_id.cbid_arg = rs;
353 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
354 INIT_LIST_HEAD(&rs->rs_exp_list);
355 INIT_LIST_HEAD(&rs->rs_obd_list);
356 INIT_LIST_HEAD(&rs->rs_list);
357 spin_lock_init(&rs->rs_lock);
359 req->rq_replen = msg_len;
360 req->rq_reply_state = rs;
361 req->rq_repmsg = rs->rs_msg;
363 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
364 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
366 PTLRPC_RS_DEBUG_LRU_ADD(rs);
370 EXPORT_SYMBOL(lustre_pack_reply_v2);
372 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
373 char **bufs, int flags)
376 __u32 size[] = { sizeof(struct ptlrpc_body) };
384 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
386 switch (req->rq_reqmsg->lm_magic) {
387 case LUSTRE_MSG_MAGIC_V2:
388 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
391 LASSERTF(0, "incorrect message magic: %08x\n",
392 req->rq_reqmsg->lm_magic);
396 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
397 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
401 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
404 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
406 EXPORT_SYMBOL(lustre_pack_reply);
408 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, __u32 n, __u32 min_size)
410 __u32 i, offset, buflen, bufcount;
414 bufcount = m->lm_bufcount;
415 if (unlikely(n >= bufcount)) {
416 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
421 buflen = m->lm_buflens[n];
422 if (unlikely(buflen < min_size)) {
423 CERROR("msg %p buffer[%d] size %d too small "
424 "(required %d, opc=%d)\n", m, n, buflen, min_size,
425 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
429 offset = lustre_msg_hdr_size_v2(bufcount);
430 for (i = 0; i < n; i++)
431 offset += cfs_size_round(m->lm_buflens[i]);
433 return (char *)m + offset;
436 void *lustre_msg_buf(struct lustre_msg *m, __u32 n, __u32 min_size)
438 switch (m->lm_magic) {
439 case LUSTRE_MSG_MAGIC_V2:
440 return lustre_msg_buf_v2(m, n, min_size);
442 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
447 EXPORT_SYMBOL(lustre_msg_buf);
449 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
450 unsigned int newlen, int move_data)
452 char *tail = NULL, *newpos;
456 LASSERT(msg->lm_bufcount > segment);
457 LASSERT(msg->lm_buflens[segment] >= newlen);
459 if (msg->lm_buflens[segment] == newlen)
462 if (move_data && msg->lm_bufcount > segment + 1) {
463 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
464 for (n = segment + 1; n < msg->lm_bufcount; n++)
465 tail_len += cfs_size_round(msg->lm_buflens[n]);
468 msg->lm_buflens[segment] = newlen;
470 if (tail && tail_len) {
471 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
472 LASSERT(newpos <= tail);
474 memmove(newpos, tail, tail_len);
477 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
481 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
482 * we also move data forward from @segment + 1.
484 * if @newlen == 0, we remove the segment completely, but we still keep the
485 * totally bufcount the same to save possible data moving. this will leave a
486 * unused segment with size 0 at the tail, but that's ok.
488 * return new msg size after shrinking.
491 * + if any buffers higher than @segment has been filled in, must call shrink
492 * with non-zero @move_data.
493 * + caller should NOT keep pointers to msg buffers which higher than @segment
496 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
497 unsigned int newlen, int move_data)
499 switch (msg->lm_magic) {
500 case LUSTRE_MSG_MAGIC_V2:
501 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
503 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
506 EXPORT_SYMBOL(lustre_shrink_msg);
508 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
510 PTLRPC_RS_DEBUG_LRU_DEL(rs);
512 LASSERT(atomic_read(&rs->rs_refcount) == 0);
513 LASSERT(!rs->rs_difficult || rs->rs_handled);
514 LASSERT(!rs->rs_on_net);
515 LASSERT(!rs->rs_scheduled);
516 LASSERT(rs->rs_export == NULL);
517 LASSERT(rs->rs_nlocks == 0);
518 LASSERT(list_empty(&rs->rs_exp_list));
519 LASSERT(list_empty(&rs->rs_obd_list));
521 sptlrpc_svc_free_rs(rs);
524 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
526 int swabbed, required_len, i;
528 /* Now we know the sender speaks my language. */
529 required_len = lustre_msg_hdr_size_v2(0);
530 if (len < required_len) {
531 /* can't even look inside the message */
532 CERROR("message length %d too small for lustre_msg\n", len);
536 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
539 __swab32s(&m->lm_magic);
540 __swab32s(&m->lm_bufcount);
541 __swab32s(&m->lm_secflvr);
542 __swab32s(&m->lm_repsize);
543 __swab32s(&m->lm_cksum);
544 __swab32s(&m->lm_flags);
545 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
546 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
549 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
550 if (len < required_len) {
551 /* didn't receive all the buffer lengths */
552 CERROR ("message length %d too small for %d buflens\n",
553 len, m->lm_bufcount);
557 for (i = 0; i < m->lm_bufcount; i++) {
559 __swab32s(&m->lm_buflens[i]);
560 required_len += cfs_size_round(m->lm_buflens[i]);
563 if (len < required_len) {
564 CERROR("len: %d, required_len %d\n", len, required_len);
565 CERROR("bufcount: %d\n", m->lm_bufcount);
566 for (i = 0; i < m->lm_bufcount; i++)
567 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
574 int __lustre_unpack_msg(struct lustre_msg *m, int len)
576 int required_len, rc;
579 /* We can provide a slightly better error log, if we check the
580 * message magic and version first. In the future, struct
581 * lustre_msg may grow, and we'd like to log a version mismatch,
582 * rather than a short message.
585 required_len = offsetof(struct lustre_msg, lm_magic) +
587 if (len < required_len) {
588 /* can't even look inside the message */
589 CERROR("message length %d too small for magic/version check\n",
594 rc = lustre_unpack_msg_v2(m, len);
598 EXPORT_SYMBOL(__lustre_unpack_msg);
600 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
603 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
605 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
611 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
614 rc = __lustre_unpack_msg(req->rq_repmsg, len);
616 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
622 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
623 const int inout, int offset)
625 struct ptlrpc_body *pb;
626 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
628 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
630 CERROR("error unpacking ptlrpc body\n");
633 if (ptlrpc_buf_need_swab(req, inout, offset)) {
634 lustre_swab_ptlrpc_body(pb);
635 ptlrpc_buf_set_swabbed(req, inout, offset);
638 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
639 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
644 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
649 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
651 switch (req->rq_reqmsg->lm_magic) {
652 case LUSTRE_MSG_MAGIC_V2:
653 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
655 CERROR("bad lustre msg magic: %08x\n",
656 req->rq_reqmsg->lm_magic);
661 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
663 switch (req->rq_repmsg->lm_magic) {
664 case LUSTRE_MSG_MAGIC_V2:
665 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
667 CERROR("bad lustre msg magic: %08x\n",
668 req->rq_repmsg->lm_magic);
673 static inline __u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, __u32 n)
675 if (n >= m->lm_bufcount)
678 return m->lm_buflens[n];
682 * lustre_msg_buflen - return the length of buffer \a n in message \a m
683 * \param m lustre_msg (request or reply) to look at
684 * \param n message index (base 0)
686 * returns zero for non-existent message indices
688 __u32 lustre_msg_buflen(struct lustre_msg *m, __u32 n)
690 switch (m->lm_magic) {
691 case LUSTRE_MSG_MAGIC_V2:
692 return lustre_msg_buflen_v2(m, n);
694 CERROR("incorrect message magic: %08x\n", m->lm_magic);
698 EXPORT_SYMBOL(lustre_msg_buflen);
701 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len)
703 if (n >= m->lm_bufcount)
706 m->lm_buflens[n] = len;
709 void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len)
711 switch (m->lm_magic) {
712 case LUSTRE_MSG_MAGIC_V2:
713 lustre_msg_set_buflen_v2(m, n, len);
716 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
720 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
721 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
722 __u32 lustre_msg_bufcount(struct lustre_msg *m)
724 switch (m->lm_magic) {
725 case LUSTRE_MSG_MAGIC_V2:
726 return m->lm_bufcount;
728 CERROR("incorrect message magic: %08x\n", m->lm_magic);
733 char *lustre_msg_string(struct lustre_msg *m, __u32 index, __u32 max_len)
735 /* max_len == 0 means the string should fill the buffer */
739 switch (m->lm_magic) {
740 case LUSTRE_MSG_MAGIC_V2:
741 str = lustre_msg_buf_v2(m, index, 0);
742 blen = lustre_msg_buflen_v2(m, index);
745 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
749 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
753 slen = strnlen(str, blen);
755 if (slen == blen) { /* not NULL terminated */
756 CERROR("can't unpack non-NULL terminated string in "
757 "msg %p buffer[%d] len %d\n", m, index, blen);
762 if (slen != blen - 1) {
763 CERROR("can't unpack short string in msg %p "
764 "buffer[%d] len %d: strlen %d\n",
765 m, index, blen, slen);
768 } else if (slen > max_len) {
769 CERROR("can't unpack oversized string in msg %p "
770 "buffer[%d] len %d strlen %d: max %d expected\n",
771 m, index, blen, slen, max_len);
778 /* Wrap up the normal fixed length cases */
779 static inline void *__lustre_swab_buf(struct lustre_msg *msg, __u32 index,
780 __u32 min_size, void *swabber)
784 LASSERT(msg != NULL);
785 switch (msg->lm_magic) {
786 case LUSTRE_MSG_MAGIC_V2:
787 ptr = lustre_msg_buf_v2(msg, index, min_size);
790 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
793 if (ptr != NULL && swabber != NULL)
794 ((void (*)(void *))swabber)(ptr);
799 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
801 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
802 sizeof(struct ptlrpc_body_v2));
805 enum lustre_msghdr lustre_msghdr_get_flags(struct lustre_msg *msg)
807 switch (msg->lm_magic) {
808 case LUSTRE_MSG_MAGIC_V2:
809 /* already in host endian */
810 return msg->lm_flags;
812 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
816 EXPORT_SYMBOL(lustre_msghdr_get_flags);
818 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
820 switch (msg->lm_magic) {
821 case LUSTRE_MSG_MAGIC_V2:
822 msg->lm_flags = flags;
825 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
829 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
831 switch (msg->lm_magic) {
832 case LUSTRE_MSG_MAGIC_V2: {
833 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
837 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
841 /* flags might be printed in debug code while message
846 EXPORT_SYMBOL(lustre_msg_get_flags);
848 void lustre_msg_add_flags(struct lustre_msg *msg, __u32 flags)
850 switch (msg->lm_magic) {
851 case LUSTRE_MSG_MAGIC_V2: {
852 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
853 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
854 pb->pb_flags |= flags;
858 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
861 EXPORT_SYMBOL(lustre_msg_add_flags);
863 void lustre_msg_set_flags(struct lustre_msg *msg, __u32 flags)
865 switch (msg->lm_magic) {
866 case LUSTRE_MSG_MAGIC_V2: {
867 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
868 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
869 pb->pb_flags = flags;
873 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
877 void lustre_msg_clear_flags(struct lustre_msg *msg, __u32 flags)
879 switch (msg->lm_magic) {
880 case LUSTRE_MSG_MAGIC_V2: {
881 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
882 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
883 pb->pb_flags &= ~flags;
888 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
891 EXPORT_SYMBOL(lustre_msg_clear_flags);
893 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
895 switch (msg->lm_magic) {
896 case LUSTRE_MSG_MAGIC_V2: {
897 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
899 return pb->pb_op_flags;
901 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
909 void lustre_msg_add_op_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_op_flags |= flags;
919 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
922 EXPORT_SYMBOL(lustre_msg_add_op_flags);
924 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
926 switch (msg->lm_magic) {
927 case LUSTRE_MSG_MAGIC_V2: {
928 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
930 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
933 return &pb->pb_handle;
936 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
941 __u32 lustre_msg_get_type(struct lustre_msg *msg)
943 switch (msg->lm_magic) {
944 case LUSTRE_MSG_MAGIC_V2: {
945 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
947 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
948 return PTL_RPC_MSG_ERR;
953 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
954 return PTL_RPC_MSG_ERR;
957 EXPORT_SYMBOL(lustre_msg_get_type);
959 enum lustre_msg_version lustre_msg_get_version(struct lustre_msg *msg)
961 switch (msg->lm_magic) {
962 case LUSTRE_MSG_MAGIC_V2: {
963 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
965 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
968 return pb->pb_version;
971 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
976 void lustre_msg_add_version(struct lustre_msg *msg, __u32 version)
978 switch (msg->lm_magic) {
979 case LUSTRE_MSG_MAGIC_V2: {
980 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
981 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
982 pb->pb_version |= version;
986 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
990 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
992 switch (msg->lm_magic) {
993 case LUSTRE_MSG_MAGIC_V2: {
994 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
996 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1002 CERROR("incorrect message magic: %08x (msg:%p)\n",
1003 msg->lm_magic, msg);
1007 EXPORT_SYMBOL(lustre_msg_get_opc);
1009 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1011 switch (msg->lm_magic) {
1012 case LUSTRE_MSG_MAGIC_V2: {
1013 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1015 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1018 return pb->pb_last_xid;
1021 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1025 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1027 __u16 lustre_msg_get_tag(struct lustre_msg *msg)
1029 switch (msg->lm_magic) {
1030 case LUSTRE_MSG_MAGIC_V2: {
1031 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1033 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1039 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1043 EXPORT_SYMBOL(lustre_msg_get_tag);
1045 __u64 lustre_msg_get_last_committed(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);
1054 return pb->pb_last_committed;
1057 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1061 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1063 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1065 switch (msg->lm_magic) {
1066 case LUSTRE_MSG_MAGIC_V2: {
1067 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1069 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1072 return pb->pb_pre_versions;
1075 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1079 EXPORT_SYMBOL(lustre_msg_get_versions);
1081 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1083 switch (msg->lm_magic) {
1084 case LUSTRE_MSG_MAGIC_V2: {
1085 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1087 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1090 return pb->pb_transno;
1093 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1097 EXPORT_SYMBOL(lustre_msg_get_transno);
1099 int lustre_msg_get_status(struct lustre_msg *msg)
1101 switch (msg->lm_magic) {
1102 case LUSTRE_MSG_MAGIC_V2: {
1103 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1105 return pb->pb_status;
1106 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1110 /* status might be printed in debug code while message
1115 EXPORT_SYMBOL(lustre_msg_get_status);
1117 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1119 switch (msg->lm_magic) {
1120 case LUSTRE_MSG_MAGIC_V2: {
1121 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1123 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1129 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1135 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1137 switch (msg->lm_magic) {
1138 case LUSTRE_MSG_MAGIC_V2: {
1139 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1141 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1148 CERROR("invalid msg magic %x\n", msg->lm_magic);
1153 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1155 switch (msg->lm_magic) {
1156 case LUSTRE_MSG_MAGIC_V2: {
1157 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1159 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1162 return pb->pb_limit;
1165 CERROR("invalid msg magic %x\n", msg->lm_magic);
1171 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1173 switch (msg->lm_magic) {
1174 case LUSTRE_MSG_MAGIC_V2: {
1175 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1177 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1180 pb->pb_limit = limit;
1184 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1189 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1191 switch (msg->lm_magic) {
1192 case LUSTRE_MSG_MAGIC_V2: {
1193 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1195 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1198 return pb->pb_conn_cnt;
1201 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1205 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1207 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1209 switch (msg->lm_magic) {
1210 case LUSTRE_MSG_MAGIC_V2:
1211 return msg->lm_magic;
1213 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1218 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1220 switch (msg->lm_magic) {
1221 case LUSTRE_MSG_MAGIC_V2: {
1222 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1224 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1227 return pb->pb_timeout;
1230 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1235 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1237 switch (msg->lm_magic) {
1238 case LUSTRE_MSG_MAGIC_V2: {
1239 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1241 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1244 return pb->pb_service_time;
1247 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1252 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1254 switch (msg->lm_magic) {
1255 case LUSTRE_MSG_MAGIC_V2: {
1256 struct ptlrpc_body *pb;
1258 /* the old pltrpc_body_v2 is smaller; doesn't include jobid */
1259 if (msg->lm_buflens[MSG_PTLRPC_BODY_OFF] <
1260 sizeof(struct ptlrpc_body))
1263 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1264 sizeof(struct ptlrpc_body));
1268 return pb->pb_jobid;
1271 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1275 EXPORT_SYMBOL(lustre_msg_get_jobid);
1277 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1279 switch (msg->lm_magic) {
1280 case LUSTRE_MSG_MAGIC_V2:
1281 return msg->lm_cksum;
1283 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1288 __u64 lustre_msg_get_mbits(struct lustre_msg *msg)
1290 switch (msg->lm_magic) {
1291 case LUSTRE_MSG_MAGIC_V2: {
1292 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1294 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1297 return pb->pb_mbits;
1300 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1305 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1307 switch (msg->lm_magic) {
1308 case LUSTRE_MSG_MAGIC_V2: {
1309 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1310 __u32 len = lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1312 unsigned int hsize = 4;
1315 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1316 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1317 len, NULL, 0, (unsigned char *)&crc,
1322 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1327 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1329 switch (msg->lm_magic) {
1330 case LUSTRE_MSG_MAGIC_V2: {
1331 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1332 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1333 pb->pb_handle = *handle;
1337 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1341 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1343 switch (msg->lm_magic) {
1344 case LUSTRE_MSG_MAGIC_V2: {
1345 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1346 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1351 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1355 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1357 switch (msg->lm_magic) {
1358 case LUSTRE_MSG_MAGIC_V2: {
1359 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1360 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1365 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1369 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1371 switch (msg->lm_magic) {
1372 case LUSTRE_MSG_MAGIC_V2: {
1373 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1374 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1375 pb->pb_last_xid = last_xid;
1379 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1382 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1384 void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag)
1386 switch (msg->lm_magic) {
1387 case LUSTRE_MSG_MAGIC_V2: {
1388 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1389 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1394 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1397 EXPORT_SYMBOL(lustre_msg_set_tag);
1399 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1401 switch (msg->lm_magic) {
1402 case LUSTRE_MSG_MAGIC_V2: {
1403 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1404 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1405 pb->pb_last_committed = last_committed;
1409 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1413 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1415 switch (msg->lm_magic) {
1416 case LUSTRE_MSG_MAGIC_V2: {
1417 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1418 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1419 pb->pb_pre_versions[0] = versions[0];
1420 pb->pb_pre_versions[1] = versions[1];
1421 pb->pb_pre_versions[2] = versions[2];
1422 pb->pb_pre_versions[3] = versions[3];
1426 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1429 EXPORT_SYMBOL(lustre_msg_set_versions);
1431 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1433 switch (msg->lm_magic) {
1434 case LUSTRE_MSG_MAGIC_V2: {
1435 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1436 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1437 pb->pb_transno = transno;
1441 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1444 EXPORT_SYMBOL(lustre_msg_set_transno);
1446 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1448 switch (msg->lm_magic) {
1449 case LUSTRE_MSG_MAGIC_V2: {
1450 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1451 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1452 pb->pb_status = status;
1456 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1459 EXPORT_SYMBOL(lustre_msg_set_status);
1461 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1463 switch (msg->lm_magic) {
1464 case LUSTRE_MSG_MAGIC_V2: {
1465 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1466 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1467 pb->pb_conn_cnt = conn_cnt;
1471 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1475 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1477 switch (msg->lm_magic) {
1478 case LUSTRE_MSG_MAGIC_V2: {
1479 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1480 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1481 pb->pb_timeout = timeout;
1485 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1489 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1491 switch (msg->lm_magic) {
1492 case LUSTRE_MSG_MAGIC_V2: {
1493 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1494 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1495 pb->pb_service_time = service_time;
1499 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1503 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1505 switch (msg->lm_magic) {
1506 case LUSTRE_MSG_MAGIC_V2: {
1507 __u32 opc = lustre_msg_get_opc(msg);
1508 struct ptlrpc_body *pb;
1510 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1511 * See the comment in ptlrpc_request_pack(). */
1512 if (!opc || opc == LDLM_BL_CALLBACK ||
1513 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1516 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1517 sizeof(struct ptlrpc_body));
1518 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1521 memcpy(pb->pb_jobid, jobid, sizeof(pb->pb_jobid));
1522 else if (pb->pb_jobid[0] == '\0')
1523 lustre_get_jobid(pb->pb_jobid, sizeof(pb->pb_jobid));
1527 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1530 EXPORT_SYMBOL(lustre_msg_set_jobid);
1532 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1534 switch (msg->lm_magic) {
1535 case LUSTRE_MSG_MAGIC_V2:
1536 msg->lm_cksum = cksum;
1539 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1543 void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits)
1545 switch (msg->lm_magic) {
1546 case LUSTRE_MSG_MAGIC_V2: {
1547 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1549 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1550 pb->pb_mbits = mbits;
1554 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1558 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1560 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1562 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1563 req->rq_pill.rc_area[RCL_SERVER]);
1564 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1565 req->rq_reqmsg->lm_repsize = req->rq_replen;
1567 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1569 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1571 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1572 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1573 req->rq_reqmsg->lm_repsize = req->rq_replen;
1577 * Send a remote set_info_async.
1579 * This may go from client to server or server to client.
1581 int do_set_info_async(struct obd_import *imp,
1582 int opcode, int version,
1583 size_t keylen, void *key,
1584 size_t vallen, void *val,
1585 struct ptlrpc_request_set *set)
1587 struct ptlrpc_request *req;
1592 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1596 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1597 RCL_CLIENT, keylen);
1598 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1599 RCL_CLIENT, vallen);
1600 rc = ptlrpc_request_pack(req, version, opcode);
1602 ptlrpc_request_free(req);
1606 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1607 memcpy(tmp, key, keylen);
1608 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1609 memcpy(tmp, val, vallen);
1611 ptlrpc_request_set_replen(req);
1614 ptlrpc_set_add_req(set, req);
1615 ptlrpc_check_set(NULL, set);
1617 rc = ptlrpc_queue_wait(req);
1618 ptlrpc_req_finished(req);
1623 EXPORT_SYMBOL(do_set_info_async);
1625 /* byte flipping routines for all wire types declared in
1626 * lustre_idl.h implemented here.
1628 void lustre_swab_ptlrpc_body(struct ptlrpc_body *body)
1630 __swab32s(&body->pb_type);
1631 __swab32s(&body->pb_version);
1632 __swab32s(&body->pb_opc);
1633 __swab32s(&body->pb_status);
1634 __swab64s(&body->pb_last_xid);
1635 __swab16s(&body->pb_tag);
1636 CLASSERT(offsetof(typeof(*body), pb_padding0) != 0);
1637 CLASSERT(offsetof(typeof(*body), pb_padding1) != 0);
1638 __swab64s(&body->pb_last_committed);
1639 __swab64s(&body->pb_transno);
1640 __swab32s(&body->pb_flags);
1641 __swab32s(&body->pb_op_flags);
1642 __swab32s(&body->pb_conn_cnt);
1643 __swab32s(&body->pb_timeout);
1644 __swab32s(&body->pb_service_time);
1645 __swab32s(&body->pb_limit);
1646 __swab64s(&body->pb_slv);
1647 __swab64s(&body->pb_pre_versions[0]);
1648 __swab64s(&body->pb_pre_versions[1]);
1649 __swab64s(&body->pb_pre_versions[2]);
1650 __swab64s(&body->pb_pre_versions[3]);
1651 __swab64s(&body->pb_mbits);
1652 CLASSERT(offsetof(typeof(*body), pb_padding64_0) != 0);
1653 CLASSERT(offsetof(typeof(*body), pb_padding64_1) != 0);
1654 CLASSERT(offsetof(typeof(*body), pb_padding64_2) != 0);
1655 /* While we need to maintain compatibility between
1656 * clients and servers without ptlrpc_body_v2 (< 2.3)
1657 * do not swab any fields beyond pb_jobid, as we are
1658 * using this swab function for both ptlrpc_body
1659 * and ptlrpc_body_v2. */
1660 /* pb_jobid is an ASCII string and should not be swabbed */
1661 CLASSERT(offsetof(typeof(*body), pb_jobid) != 0);
1664 void lustre_swab_connect(struct obd_connect_data *ocd)
1666 __swab64s(&ocd->ocd_connect_flags);
1667 __swab32s(&ocd->ocd_version);
1668 __swab32s(&ocd->ocd_grant);
1669 __swab64s(&ocd->ocd_ibits_known);
1670 __swab32s(&ocd->ocd_index);
1671 __swab32s(&ocd->ocd_brw_size);
1672 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1673 * they are 8-byte values */
1674 __swab16s(&ocd->ocd_grant_tax_kb);
1675 __swab32s(&ocd->ocd_grant_max_blks);
1676 __swab64s(&ocd->ocd_transno);
1677 __swab32s(&ocd->ocd_group);
1678 __swab32s(&ocd->ocd_cksum_types);
1679 __swab32s(&ocd->ocd_instance);
1680 /* Fields after ocd_cksum_types are only accessible by the receiver
1681 * if the corresponding flag in ocd_connect_flags is set. Accessing
1682 * any field after ocd_maxbytes on the receiver without a valid flag
1683 * may result in out-of-bound memory access and kernel oops. */
1684 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1685 __swab32s(&ocd->ocd_max_easize);
1686 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1687 __swab64s(&ocd->ocd_maxbytes);
1688 if (ocd->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS)
1689 __swab16s(&ocd->ocd_maxmodrpcs);
1690 CLASSERT(offsetof(typeof(*ocd), padding0) != 0);
1691 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1692 if (ocd->ocd_connect_flags & OBD_CONNECT_FLAGS2)
1693 __swab64s(&ocd->ocd_connect_flags2);
1694 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1695 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1696 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1697 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1698 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1699 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1700 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1701 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1702 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1703 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1704 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1705 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1706 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1709 static void lustre_swab_ost_layout(struct ost_layout *ol)
1711 __swab32s(&ol->ol_stripe_size);
1712 __swab32s(&ol->ol_stripe_count);
1713 __swab64s(&ol->ol_comp_start);
1714 __swab64s(&ol->ol_comp_end);
1715 __swab32s(&ol->ol_comp_id);
1718 void lustre_swab_obdo (struct obdo *o)
1720 __swab64s(&o->o_valid);
1721 lustre_swab_ost_id(&o->o_oi);
1722 __swab64s(&o->o_parent_seq);
1723 __swab64s(&o->o_size);
1724 __swab64s(&o->o_mtime);
1725 __swab64s(&o->o_atime);
1726 __swab64s(&o->o_ctime);
1727 __swab64s(&o->o_blocks);
1728 __swab64s(&o->o_grant);
1729 __swab32s(&o->o_blksize);
1730 __swab32s(&o->o_mode);
1731 __swab32s(&o->o_uid);
1732 __swab32s(&o->o_gid);
1733 __swab32s(&o->o_flags);
1734 __swab32s(&o->o_nlink);
1735 __swab32s(&o->o_parent_oid);
1736 __swab32s(&o->o_misc);
1737 __swab64s(&o->o_ioepoch);
1738 __swab32s(&o->o_stripe_idx);
1739 __swab32s(&o->o_parent_ver);
1740 lustre_swab_ost_layout(&o->o_layout);
1741 __swab32s(&o->o_layout_version);
1742 __swab32s(&o->o_uid_h);
1743 __swab32s(&o->o_gid_h);
1744 __swab64s(&o->o_data_version);
1745 __swab32s(&o->o_projid);
1746 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1747 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1748 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1751 EXPORT_SYMBOL(lustre_swab_obdo);
1753 void lustre_swab_obd_statfs (struct obd_statfs *os)
1755 __swab64s(&os->os_type);
1756 __swab64s(&os->os_blocks);
1757 __swab64s(&os->os_bfree);
1758 __swab64s(&os->os_bavail);
1759 __swab64s(&os->os_files);
1760 __swab64s(&os->os_ffree);
1761 /* no need to swab os_fsid */
1762 __swab32s(&os->os_bsize);
1763 __swab32s(&os->os_namelen);
1764 __swab64s(&os->os_maxbytes);
1765 __swab32s(&os->os_state);
1766 __swab32s(&os->os_fprecreated);
1767 __swab32s(&os->os_granted);
1768 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1769 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1770 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1771 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1772 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1773 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1774 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1777 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1779 lustre_swab_ost_id(&ioo->ioo_oid);
1780 __swab32s(&ioo->ioo_max_brw);
1781 __swab32s(&ioo->ioo_bufcnt);
1784 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1786 __swab64s(&nbr->rnb_offset);
1787 __swab32s(&nbr->rnb_len);
1788 __swab32s(&nbr->rnb_flags);
1791 void lustre_swab_ost_body (struct ost_body *b)
1793 lustre_swab_obdo (&b->oa);
1796 void lustre_swab_ost_last_id(u64 *id)
1801 void lustre_swab_generic_32s(__u32 *val)
1806 void lustre_swab_gl_lquota_desc(struct ldlm_gl_lquota_desc *desc)
1808 lustre_swab_lu_fid(&desc->gl_id.qid_fid);
1809 __swab64s(&desc->gl_flags);
1810 __swab64s(&desc->gl_ver);
1811 __swab64s(&desc->gl_hardlimit);
1812 __swab64s(&desc->gl_softlimit);
1813 __swab64s(&desc->gl_time);
1814 CLASSERT(offsetof(typeof(*desc), gl_pad2) != 0);
1816 EXPORT_SYMBOL(lustre_swab_gl_lquota_desc);
1818 void lustre_swab_gl_barrier_desc(struct ldlm_gl_barrier_desc *desc)
1820 __swab32s(&desc->lgbd_status);
1821 __swab32s(&desc->lgbd_timeout);
1822 CLASSERT(offsetof(typeof(*desc), lgbd_padding) != 0);
1824 EXPORT_SYMBOL(lustre_swab_gl_barrier_desc);
1826 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1828 __swab64s(&lvb->lvb_size);
1829 __swab64s(&lvb->lvb_mtime);
1830 __swab64s(&lvb->lvb_atime);
1831 __swab64s(&lvb->lvb_ctime);
1832 __swab64s(&lvb->lvb_blocks);
1834 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1836 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1838 __swab64s(&lvb->lvb_size);
1839 __swab64s(&lvb->lvb_mtime);
1840 __swab64s(&lvb->lvb_atime);
1841 __swab64s(&lvb->lvb_ctime);
1842 __swab64s(&lvb->lvb_blocks);
1843 __swab32s(&lvb->lvb_mtime_ns);
1844 __swab32s(&lvb->lvb_atime_ns);
1845 __swab32s(&lvb->lvb_ctime_ns);
1846 __swab32s(&lvb->lvb_padding);
1848 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1850 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1852 __swab64s(&lvb->lvb_flags);
1853 __swab64s(&lvb->lvb_id_may_rel);
1854 __swab64s(&lvb->lvb_id_rel);
1855 __swab64s(&lvb->lvb_id_qunit);
1856 __swab64s(&lvb->lvb_pad1);
1858 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1860 void lustre_swab_barrier_lvb(struct barrier_lvb *lvb)
1862 __swab32s(&lvb->lvb_status);
1863 __swab32s(&lvb->lvb_index);
1864 CLASSERT(offsetof(typeof(*lvb), lvb_padding) != 0);
1866 EXPORT_SYMBOL(lustre_swab_barrier_lvb);
1868 void lustre_swab_mdt_body (struct mdt_body *b)
1870 lustre_swab_lu_fid(&b->mbo_fid1);
1871 lustre_swab_lu_fid(&b->mbo_fid2);
1872 /* handle is opaque */
1873 __swab64s(&b->mbo_valid);
1874 __swab64s(&b->mbo_size);
1875 __swab64s(&b->mbo_mtime);
1876 __swab64s(&b->mbo_atime);
1877 __swab64s(&b->mbo_ctime);
1878 __swab64s(&b->mbo_blocks);
1879 __swab64s(&b->mbo_version);
1880 __swab64s(&b->mbo_t_state);
1881 __swab32s(&b->mbo_fsuid);
1882 __swab32s(&b->mbo_fsgid);
1883 __swab32s(&b->mbo_capability);
1884 __swab32s(&b->mbo_mode);
1885 __swab32s(&b->mbo_uid);
1886 __swab32s(&b->mbo_gid);
1887 __swab32s(&b->mbo_flags);
1888 __swab32s(&b->mbo_rdev);
1889 __swab32s(&b->mbo_nlink);
1890 __swab32s(&b->mbo_layout_gen);
1891 __swab32s(&b->mbo_suppgid);
1892 __swab32s(&b->mbo_eadatasize);
1893 __swab32s(&b->mbo_aclsize);
1894 __swab32s(&b->mbo_max_mdsize);
1895 CLASSERT(offsetof(typeof(*b), mbo_unused3) != 0);
1896 __swab32s(&b->mbo_uid_h);
1897 __swab32s(&b->mbo_gid_h);
1898 __swab32s(&b->mbo_projid);
1899 __swab64s(&b->mbo_dom_size);
1900 __swab64s(&b->mbo_dom_blocks);
1901 CLASSERT(offsetof(typeof(*b), mbo_padding_8) != 0);
1902 CLASSERT(offsetof(typeof(*b), mbo_padding_9) != 0);
1903 CLASSERT(offsetof(typeof(*b), mbo_padding_10) != 0);
1906 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1908 /* mio_open_handle is opaque */
1909 CLASSERT(offsetof(typeof(*b), mio_unused1) != 0);
1910 CLASSERT(offsetof(typeof(*b), mio_unused2) != 0);
1911 CLASSERT(offsetof(typeof(*b), mio_padding) != 0);
1914 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1918 __swab32s(&mti->mti_lustre_ver);
1919 __swab32s(&mti->mti_stripe_index);
1920 __swab32s(&mti->mti_config_ver);
1921 __swab32s(&mti->mti_flags);
1922 __swab32s(&mti->mti_instance);
1923 __swab32s(&mti->mti_nid_count);
1924 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1925 for (i = 0; i < MTI_NIDS_MAX; i++)
1926 __swab64s(&mti->mti_nids[i]);
1929 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1933 __swab64s(&entry->mne_version);
1934 __swab32s(&entry->mne_instance);
1935 __swab32s(&entry->mne_index);
1936 __swab32s(&entry->mne_length);
1938 /* mne_nid_(count|type) must be one byte size because we're gonna
1939 * access it w/o swapping. */
1940 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1941 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1943 /* remove this assertion if ipv6 is supported. */
1944 LASSERT(entry->mne_nid_type == 0);
1945 for (i = 0; i < entry->mne_nid_count; i++) {
1946 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1947 __swab64s(&entry->u.nids[i]);
1950 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1952 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1954 __swab64s(&body->mcb_offset);
1955 __swab32s(&body->mcb_units);
1956 __swab16s(&body->mcb_type);
1959 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1961 __swab64s(&body->mcr_offset);
1962 __swab64s(&body->mcr_size);
1965 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1967 __swab64s (&i->dqi_bgrace);
1968 __swab64s (&i->dqi_igrace);
1969 __swab32s (&i->dqi_flags);
1970 __swab32s (&i->dqi_valid);
1973 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1975 __swab64s (&b->dqb_ihardlimit);
1976 __swab64s (&b->dqb_isoftlimit);
1977 __swab64s (&b->dqb_curinodes);
1978 __swab64s (&b->dqb_bhardlimit);
1979 __swab64s (&b->dqb_bsoftlimit);
1980 __swab64s (&b->dqb_curspace);
1981 __swab64s (&b->dqb_btime);
1982 __swab64s (&b->dqb_itime);
1983 __swab32s (&b->dqb_valid);
1984 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1987 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1989 __swab32s (&q->qc_cmd);
1990 __swab32s (&q->qc_type);
1991 __swab32s (&q->qc_id);
1992 __swab32s (&q->qc_stat);
1993 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1994 lustre_swab_obd_dqblk (&q->qc_dqblk);
1997 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1999 lustre_swab_lu_fid(&gf->gf_fid);
2000 __swab64s(&gf->gf_recno);
2001 __swab32s(&gf->gf_linkno);
2002 __swab32s(&gf->gf_pathlen);
2004 EXPORT_SYMBOL(lustre_swab_fid2path);
2006 static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent)
2008 __swab64s(&fm_extent->fe_logical);
2009 __swab64s(&fm_extent->fe_physical);
2010 __swab64s(&fm_extent->fe_length);
2011 __swab32s(&fm_extent->fe_flags);
2012 __swab32s(&fm_extent->fe_device);
2015 void lustre_swab_fiemap(struct fiemap *fiemap)
2019 __swab64s(&fiemap->fm_start);
2020 __swab64s(&fiemap->fm_length);
2021 __swab32s(&fiemap->fm_flags);
2022 __swab32s(&fiemap->fm_mapped_extents);
2023 __swab32s(&fiemap->fm_extent_count);
2024 __swab32s(&fiemap->fm_reserved);
2026 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2027 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2030 void lustre_swab_idx_info(struct idx_info *ii)
2032 __swab32s(&ii->ii_magic);
2033 __swab32s(&ii->ii_flags);
2034 __swab16s(&ii->ii_count);
2035 __swab32s(&ii->ii_attrs);
2036 lustre_swab_lu_fid(&ii->ii_fid);
2037 __swab64s(&ii->ii_version);
2038 __swab64s(&ii->ii_hash_start);
2039 __swab64s(&ii->ii_hash_end);
2040 __swab16s(&ii->ii_keysize);
2041 __swab16s(&ii->ii_recsize);
2044 void lustre_swab_lip_header(struct lu_idxpage *lip)
2047 __swab32s(&lip->lip_magic);
2048 __swab16s(&lip->lip_flags);
2049 __swab16s(&lip->lip_nr);
2051 EXPORT_SYMBOL(lustre_swab_lip_header);
2053 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2055 __swab32s(&rr->rr_opcode);
2056 __swab32s(&rr->rr_cap);
2057 __swab32s(&rr->rr_fsuid);
2058 /* rr_fsuid_h is unused */
2059 __swab32s(&rr->rr_fsgid);
2060 /* rr_fsgid_h is unused */
2061 __swab32s(&rr->rr_suppgid1);
2062 /* rr_suppgid1_h is unused */
2063 __swab32s(&rr->rr_suppgid2);
2064 /* rr_suppgid2_h is unused */
2065 lustre_swab_lu_fid(&rr->rr_fid1);
2066 lustre_swab_lu_fid(&rr->rr_fid2);
2067 __swab64s(&rr->rr_mtime);
2068 __swab64s(&rr->rr_atime);
2069 __swab64s(&rr->rr_ctime);
2070 __swab64s(&rr->rr_size);
2071 __swab64s(&rr->rr_blocks);
2072 __swab32s(&rr->rr_bias);
2073 __swab32s(&rr->rr_mode);
2074 __swab32s(&rr->rr_flags);
2075 __swab32s(&rr->rr_flags_h);
2076 __swab32s(&rr->rr_umask);
2077 __swab16s(&rr->rr_mirror_id);
2079 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2082 void lustre_swab_lov_desc (struct lov_desc *ld)
2084 __swab32s (&ld->ld_tgt_count);
2085 __swab32s (&ld->ld_active_tgt_count);
2086 __swab32s (&ld->ld_default_stripe_count);
2087 __swab32s (&ld->ld_pattern);
2088 __swab64s (&ld->ld_default_stripe_size);
2089 __swab64s (&ld->ld_default_stripe_offset);
2090 __swab32s (&ld->ld_qos_maxage);
2091 /* uuid endian insensitive */
2093 EXPORT_SYMBOL(lustre_swab_lov_desc);
2095 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2097 __swab32s (&ld->ld_tgt_count);
2098 __swab32s (&ld->ld_active_tgt_count);
2099 __swab32s (&ld->ld_default_stripe_count);
2100 __swab32s (&ld->ld_pattern);
2101 __swab64s (&ld->ld_default_hash_size);
2102 __swab32s (&ld->ld_qos_maxage);
2103 /* uuid endian insensitive */
2106 /* This structure is always in little-endian */
2107 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2111 __swab32s(&lmm1->lmv_magic);
2112 __swab32s(&lmm1->lmv_stripe_count);
2113 __swab32s(&lmm1->lmv_master_mdt_index);
2114 __swab32s(&lmm1->lmv_hash_type);
2115 __swab32s(&lmm1->lmv_layout_version);
2116 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2117 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2120 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2122 switch (lmm->lmv_magic) {
2124 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2130 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
2132 void lustre_swab_lmv_user_md_objects(struct lmv_user_mds_data *lmd,
2137 for (i = 0; i < stripe_count; i++)
2138 __swab32s(&(lmd[i].lum_mds));
2140 EXPORT_SYMBOL(lustre_swab_lmv_user_md_objects);
2143 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2147 if (lum->lum_magic == LMV_MAGIC_FOREIGN) {
2148 __swab32s(&lum->lum_magic);
2149 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_length);
2150 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_type);
2151 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_flags);
2155 count = lum->lum_stripe_count;
2156 __swab32s(&lum->lum_magic);
2157 __swab32s(&lum->lum_stripe_count);
2158 __swab32s(&lum->lum_stripe_offset);
2159 __swab32s(&lum->lum_hash_type);
2160 __swab32s(&lum->lum_type);
2161 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2162 switch (lum->lum_magic) {
2163 case LMV_USER_MAGIC_SPECIFIC:
2164 count = lum->lum_stripe_count;
2165 case __swab32(LMV_USER_MAGIC_SPECIFIC):
2166 lustre_swab_lmv_user_md_objects(lum->lum_objects, count);
2172 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2174 static void lustre_print_v1v3(unsigned int lvl, struct lov_user_md *lum,
2177 CDEBUG(lvl, "%s lov_user_md %p:\n", msg, lum);
2178 CDEBUG(lvl, "\tlmm_magic: %#x\n", lum->lmm_magic);
2179 CDEBUG(lvl, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2180 CDEBUG(lvl, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
2181 CDEBUG(lvl, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
2182 CDEBUG(lvl, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2183 CDEBUG(lvl, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2184 CDEBUG(lvl, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2185 lum->lmm_stripe_offset);
2186 if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
2187 struct lov_user_md_v3 *v3 = (void *)lum;
2188 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2190 if (lum->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2191 struct lov_user_md_v3 *v3 = (void *)lum;
2194 if (v3->lmm_pool_name[0] != '\0')
2195 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2197 CDEBUG(lvl, "\ttarget list:\n");
2198 for (i = 0; i < v3->lmm_stripe_count; i++)
2199 CDEBUG(lvl, "\t\t%u\n", v3->lmm_objects[i].l_ost_idx);
2203 void lustre_print_user_md(unsigned int lvl, struct lov_user_md *lum,
2206 struct lov_comp_md_v1 *comp_v1;
2209 if (likely(!cfs_cdebug_show(lvl, DEBUG_SUBSYSTEM)))
2212 if (lum->lmm_magic == LOV_USER_MAGIC_V1 ||
2213 lum->lmm_magic == LOV_USER_MAGIC_V3) {
2214 lustre_print_v1v3(lvl, lum, msg);
2218 if (lum->lmm_magic != LOV_USER_MAGIC_COMP_V1) {
2219 CDEBUG(lvl, "%s: bad magic: %x\n", msg, lum->lmm_magic);
2223 comp_v1 = (struct lov_comp_md_v1 *)lum;
2224 CDEBUG(lvl, "%s: lov_comp_md_v1 %p:\n", msg, lum);
2225 CDEBUG(lvl, "\tlcm_magic: %#x\n", comp_v1->lcm_magic);
2226 CDEBUG(lvl, "\tlcm_size: %#x\n", comp_v1->lcm_size);
2227 CDEBUG(lvl, "\tlcm_layout_gen: %#x\n", comp_v1->lcm_layout_gen);
2228 CDEBUG(lvl, "\tlcm_flags: %#x\n", comp_v1->lcm_flags);
2229 CDEBUG(lvl, "\tlcm_entry_count: %#x\n\n", comp_v1->lcm_entry_count);
2230 CDEBUG(lvl, "\tlcm_mirror_count: %#x\n\n", comp_v1->lcm_mirror_count);
2232 for (i = 0; i < comp_v1->lcm_entry_count; i++) {
2233 struct lov_comp_md_entry_v1 *ent = &comp_v1->lcm_entries[i];
2234 struct lov_user_md *v1;
2236 CDEBUG(lvl, "\tentry %d:\n", i);
2237 CDEBUG(lvl, "\tlcme_id: %#x\n", ent->lcme_id);
2238 CDEBUG(lvl, "\tlcme_flags: %#x\n", ent->lcme_flags);
2239 if (ent->lcme_flags & LCME_FL_NOSYNC)
2240 CDEBUG(lvl, "\tlcme_timestamp: %llu\n",
2241 ent->lcme_timestamp);
2242 CDEBUG(lvl, "\tlcme_extent.e_start: %llu\n",
2243 ent->lcme_extent.e_start);
2244 CDEBUG(lvl, "\tlcme_extent.e_end: %llu\n",
2245 ent->lcme_extent.e_end);
2246 CDEBUG(lvl, "\tlcme_offset: %#x\n", ent->lcme_offset);
2247 CDEBUG(lvl, "\tlcme_size: %#x\n\n", ent->lcme_size);
2249 v1 = (struct lov_user_md *)((char *)comp_v1 +
2250 comp_v1->lcm_entries[i].lcme_offset);
2251 lustre_print_v1v3(lvl, v1, msg);
2254 EXPORT_SYMBOL(lustre_print_user_md);
2256 static void lustre_swab_lmm_oi(struct ost_id *oi)
2258 __swab64s(&oi->oi.oi_id);
2259 __swab64s(&oi->oi.oi_seq);
2262 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2265 __swab32s(&lum->lmm_magic);
2266 __swab32s(&lum->lmm_pattern);
2267 lustre_swab_lmm_oi(&lum->lmm_oi);
2268 __swab32s(&lum->lmm_stripe_size);
2269 __swab16s(&lum->lmm_stripe_count);
2270 __swab16s(&lum->lmm_stripe_offset);
2274 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2277 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2278 lustre_swab_lov_user_md_common(lum);
2281 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2283 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2286 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2287 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2288 /* lmm_pool_name nothing to do with char */
2291 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2293 void lustre_swab_lov_comp_md_v1(struct lov_comp_md_v1 *lum)
2295 struct lov_comp_md_entry_v1 *ent;
2296 struct lov_user_md_v1 *v1;
2297 struct lov_user_md_v3 *v3;
2301 __u16 ent_count, stripe_count;
2304 cpu_endian = lum->lcm_magic == LOV_USER_MAGIC_COMP_V1;
2305 ent_count = lum->lcm_entry_count;
2307 __swab16s(&ent_count);
2309 CDEBUG(D_IOCTL, "swabbing lov_user_comp_md v1\n");
2310 __swab32s(&lum->lcm_magic);
2311 __swab32s(&lum->lcm_size);
2312 __swab32s(&lum->lcm_layout_gen);
2313 __swab16s(&lum->lcm_flags);
2314 __swab16s(&lum->lcm_entry_count);
2315 __swab16s(&lum->lcm_mirror_count);
2316 CLASSERT(offsetof(typeof(*lum), lcm_padding1) != 0);
2317 CLASSERT(offsetof(typeof(*lum), lcm_padding2) != 0);
2319 for (i = 0; i < ent_count; i++) {
2320 ent = &lum->lcm_entries[i];
2321 off = ent->lcme_offset;
2322 size = ent->lcme_size;
2328 __swab32s(&ent->lcme_id);
2329 __swab32s(&ent->lcme_flags);
2330 __swab64s(&ent->lcme_timestamp);
2331 __swab64s(&ent->lcme_extent.e_start);
2332 __swab64s(&ent->lcme_extent.e_end);
2333 __swab32s(&ent->lcme_offset);
2334 __swab32s(&ent->lcme_size);
2335 __swab32s(&ent->lcme_layout_gen);
2336 CLASSERT(offsetof(typeof(*ent), lcme_padding_1) != 0);
2338 v1 = (struct lov_user_md_v1 *)((char *)lum + off);
2339 stripe_count = v1->lmm_stripe_count;
2341 __swab16s(&stripe_count);
2343 if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V1) ||
2344 v1->lmm_magic == LOV_USER_MAGIC_V1) {
2345 lustre_swab_lov_user_md_v1(v1);
2346 if (size > sizeof(*v1))
2347 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2349 } else if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V3) ||
2350 v1->lmm_magic == LOV_USER_MAGIC_V3 ||
2351 v1->lmm_magic == __swab32(LOV_USER_MAGIC_SPECIFIC) ||
2352 v1->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2353 v3 = (struct lov_user_md_v3 *)v1;
2354 lustre_swab_lov_user_md_v3(v3);
2355 if (size > sizeof(*v3))
2356 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2359 CERROR("Invalid magic %#x\n", v1->lmm_magic);
2363 EXPORT_SYMBOL(lustre_swab_lov_comp_md_v1);
2365 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2370 for (i = 0; i < stripe_count; i++) {
2371 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2372 __swab32s(&(lod[i].l_ost_gen));
2373 __swab32s(&(lod[i].l_ost_idx));
2377 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2379 void lustre_swab_lov_user_md(struct lov_user_md *lum, size_t size)
2381 struct lov_user_md_v1 *v1;
2382 struct lov_user_md_v3 *v3;
2383 struct lov_foreign_md *lfm;
2387 CDEBUG(D_IOCTL, "swabbing lov_user_md\n");
2388 switch (lum->lmm_magic) {
2389 case __swab32(LOV_MAGIC_V1):
2390 case LOV_USER_MAGIC_V1:
2392 v1 = (struct lov_user_md_v1 *)lum;
2393 stripe_count = v1->lmm_stripe_count;
2395 if (lum->lmm_magic != LOV_USER_MAGIC_V1)
2396 __swab16s(&stripe_count);
2398 lustre_swab_lov_user_md_v1(v1);
2399 if (size > sizeof(*v1))
2400 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2405 case __swab32(LOV_MAGIC_V3):
2406 case LOV_USER_MAGIC_V3:
2408 v3 = (struct lov_user_md_v3 *)lum;
2409 stripe_count = v3->lmm_stripe_count;
2411 if (lum->lmm_magic != LOV_USER_MAGIC_V3)
2412 __swab16s(&stripe_count);
2414 lustre_swab_lov_user_md_v3(v3);
2415 if (size > sizeof(*v3))
2416 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2420 case __swab32(LOV_USER_MAGIC_SPECIFIC):
2421 case LOV_USER_MAGIC_SPECIFIC:
2423 v3 = (struct lov_user_md_v3 *)lum;
2424 stripe_count = v3->lmm_stripe_count;
2426 if (lum->lmm_magic != LOV_USER_MAGIC_SPECIFIC)
2427 __swab16s(&stripe_count);
2429 lustre_swab_lov_user_md_v3(v3);
2430 lustre_swab_lov_user_md_objects(v3->lmm_objects, stripe_count);
2433 case __swab32(LOV_MAGIC_COMP_V1):
2434 case LOV_USER_MAGIC_COMP_V1:
2435 lustre_swab_lov_comp_md_v1((struct lov_comp_md_v1 *)lum);
2437 case __swab32(LOV_MAGIC_FOREIGN):
2438 case LOV_USER_MAGIC_FOREIGN:
2440 lfm = (struct lov_foreign_md *)lum;
2441 __swab32s(&lfm->lfm_magic);
2442 __swab32s(&lfm->lfm_length);
2443 __swab32s(&lfm->lfm_type);
2444 __swab32s(&lfm->lfm_flags);
2448 CDEBUG(D_IOCTL, "Invalid LOV magic %08x\n", lum->lmm_magic);
2451 EXPORT_SYMBOL(lustre_swab_lov_user_md);
2453 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2456 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2457 __swab32s(&lmm->lmm_magic);
2458 __swab32s(&lmm->lmm_pattern);
2459 lustre_swab_lmm_oi(&lmm->lmm_oi);
2460 __swab32s(&lmm->lmm_stripe_size);
2461 __swab16s(&lmm->lmm_stripe_count);
2462 __swab16s(&lmm->lmm_layout_gen);
2465 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2467 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2471 for (i = 0; i < RES_NAME_SIZE; i++)
2472 __swab64s (&id->name[i]);
2475 void lustre_swab_ldlm_policy_data(union ldlm_wire_policy_data *d)
2477 /* the lock data is a union and the first two fields are always an
2478 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2479 * data the same way. */
2480 __swab64s(&d->l_extent.start);
2481 __swab64s(&d->l_extent.end);
2482 __swab64s(&d->l_extent.gid);
2483 __swab64s(&d->l_flock.lfw_owner);
2484 __swab32s(&d->l_flock.lfw_pid);
2487 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2492 void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2494 __swab32s(&r->lr_type);
2495 CLASSERT(offsetof(typeof(*r), lr_pad) != 0);
2496 lustre_swab_ldlm_res_id(&r->lr_name);
2499 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2501 lustre_swab_ldlm_resource_desc (&l->l_resource);
2502 __swab32s (&l->l_req_mode);
2503 __swab32s (&l->l_granted_mode);
2504 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2507 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2509 __swab32s (&rq->lock_flags);
2510 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2511 __swab32s (&rq->lock_count);
2512 /* lock_handle[] opaque */
2515 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2517 __swab32s (&r->lock_flags);
2518 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2519 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2520 /* lock_handle opaque */
2521 __swab64s (&r->lock_policy_res1);
2522 __swab64s (&r->lock_policy_res2);
2525 void lustre_swab_quota_body(struct quota_body *b)
2527 lustre_swab_lu_fid(&b->qb_fid);
2528 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2529 __swab32s(&b->qb_flags);
2530 __swab64s(&b->qb_count);
2531 __swab64s(&b->qb_usage);
2532 __swab64s(&b->qb_slv_ver);
2535 /* Dump functions */
2536 void dump_ioo(struct obd_ioobj *ioo)
2539 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2540 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2544 void dump_rniobuf(struct niobuf_remote *nb)
2546 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2547 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2550 void dump_obdo(struct obdo *oa)
2552 u64 valid = oa->o_valid;
2554 CDEBUG(D_RPCTRACE, "obdo: o_valid = %#llx\n", valid);
2555 if (valid & OBD_MD_FLID)
2556 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2557 if (valid & OBD_MD_FLFID)
2558 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2560 if (valid & OBD_MD_FLSIZE)
2561 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2562 if (valid & OBD_MD_FLMTIME)
2563 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2564 if (valid & OBD_MD_FLATIME)
2565 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2566 if (valid & OBD_MD_FLCTIME)
2567 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2568 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2569 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2570 if (valid & OBD_MD_FLGRANT)
2571 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2572 if (valid & OBD_MD_FLBLKSZ)
2573 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2574 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2575 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2576 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2577 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2578 if (valid & OBD_MD_FLUID)
2579 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2580 if (valid & OBD_MD_FLUID)
2581 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2582 if (valid & OBD_MD_FLGID)
2583 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2584 if (valid & OBD_MD_FLGID)
2585 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2586 if (valid & OBD_MD_FLFLAGS)
2587 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2588 if (valid & OBD_MD_FLNLINK)
2589 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2590 else if (valid & OBD_MD_FLCKSUM)
2591 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2593 if (valid & OBD_MD_FLPARENT)
2594 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2596 if (valid & OBD_MD_FLFID) {
2597 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2599 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2602 if (valid & OBD_MD_FLHANDLE)
2603 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2604 oa->o_handle.cookie);
2607 void dump_ost_body(struct ost_body *ob)
2612 void dump_rcs(__u32 *rc)
2614 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2617 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2619 LASSERT(req->rq_reqmsg);
2621 switch (req->rq_reqmsg->lm_magic) {
2622 case LUSTRE_MSG_MAGIC_V2:
2623 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2625 CERROR("bad lustre msg magic: %#08X\n",
2626 req->rq_reqmsg->lm_magic);
2631 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2633 if (unlikely(!req->rq_repmsg))
2636 switch (req->rq_repmsg->lm_magic) {
2637 case LUSTRE_MSG_MAGIC_V2:
2638 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2640 /* uninitialized yet */
2645 void _debug_req(struct ptlrpc_request *req,
2646 struct libcfs_debug_msg_data *msgdata, const char *fmt, ...)
2648 bool req_ok = req->rq_reqmsg != NULL;
2649 bool rep_ok = false;
2650 lnet_nid_t nid = LNET_NID_ANY;
2651 struct va_format vaf;
2654 int rep_status = -1;
2656 spin_lock(&req->rq_early_free_lock);
2660 if (ptlrpc_req_need_swab(req)) {
2661 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2662 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2666 rep_flags = lustre_msg_get_flags(req->rq_repmsg);
2667 rep_status = lustre_msg_get_status(req->rq_repmsg);
2669 spin_unlock(&req->rq_early_free_lock);
2671 if (req->rq_import && req->rq_import->imp_connection)
2672 nid = req->rq_import->imp_connection->c_peer.nid;
2673 else if (req->rq_export && req->rq_export->exp_connection)
2674 nid = req->rq_export->exp_connection->c_peer.nid;
2676 va_start(args, fmt);
2679 libcfs_debug_msg(msgdata,
2680 "%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",
2682 req, req->rq_xid, req->rq_transno,
2683 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2684 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2686 req->rq_import->imp_obd->obd_name :
2688 req->rq_export->exp_client_uuid.uuid :
2690 libcfs_nid2str(nid),
2691 req->rq_request_portal, req->rq_reply_portal,
2692 req->rq_reqlen, req->rq_replen,
2693 req->rq_early_count, (s64)req->rq_timedout,
2694 (s64)req->rq_deadline,
2695 atomic_read(&req->rq_refcount),
2696 DEBUG_REQ_FLAGS(req),
2697 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2698 rep_flags, req->rq_status, rep_status,
2699 req_ok ? lustre_msg_get_jobid(req->rq_reqmsg) ?: ""
2703 EXPORT_SYMBOL(_debug_req);
2705 void lustre_swab_lustre_capa(struct lustre_capa *c)
2707 lustre_swab_lu_fid(&c->lc_fid);
2708 __swab64s (&c->lc_opc);
2709 __swab64s (&c->lc_uid);
2710 __swab64s (&c->lc_gid);
2711 __swab32s (&c->lc_flags);
2712 __swab32s (&c->lc_keyid);
2713 __swab32s (&c->lc_timeout);
2714 __swab32s (&c->lc_expiry);
2717 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2719 __swab64s (&k->lk_seq);
2720 __swab32s (&k->lk_keyid);
2721 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2724 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2726 __swab32s(&state->hus_states);
2727 __swab32s(&state->hus_archive_id);
2730 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2732 __swab32s(&hss->hss_valid);
2733 __swab64s(&hss->hss_setmask);
2734 __swab64s(&hss->hss_clearmask);
2735 __swab32s(&hss->hss_archive_id);
2738 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2740 __swab64s(&extent->offset);
2741 __swab64s(&extent->length);
2744 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2746 __swab32s(&action->hca_state);
2747 __swab32s(&action->hca_action);
2748 lustre_swab_hsm_extent(&action->hca_location);
2751 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2753 lustre_swab_lu_fid(&hui->hui_fid);
2754 lustre_swab_hsm_extent(&hui->hui_extent);
2757 void lustre_swab_lu_extent(struct lu_extent *le)
2759 __swab64s(&le->e_start);
2760 __swab64s(&le->e_end);
2763 void lustre_swab_layout_intent(struct layout_intent *li)
2765 __swab32s(&li->li_opc);
2766 __swab32s(&li->li_flags);
2767 lustre_swab_lu_extent(&li->li_extent);
2770 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2772 lustre_swab_lu_fid(&hpk->hpk_fid);
2773 __swab64s(&hpk->hpk_cookie);
2774 __swab64s(&hpk->hpk_extent.offset);
2775 __swab64s(&hpk->hpk_extent.length);
2776 __swab16s(&hpk->hpk_flags);
2777 __swab16s(&hpk->hpk_errval);
2780 void lustre_swab_hsm_request(struct hsm_request *hr)
2782 __swab32s(&hr->hr_action);
2783 __swab32s(&hr->hr_archive_id);
2784 __swab64s(&hr->hr_flags);
2785 __swab32s(&hr->hr_itemcount);
2786 __swab32s(&hr->hr_data_len);
2789 void lustre_swab_object_update(struct object_update *ou)
2791 struct object_update_param *param;
2794 __swab16s(&ou->ou_type);
2795 __swab16s(&ou->ou_params_count);
2796 __swab32s(&ou->ou_result_size);
2797 __swab32s(&ou->ou_flags);
2798 __swab32s(&ou->ou_padding1);
2799 __swab64s(&ou->ou_batchid);
2800 lustre_swab_lu_fid(&ou->ou_fid);
2801 param = &ou->ou_params[0];
2802 for (i = 0; i < ou->ou_params_count; i++) {
2803 __swab16s(¶m->oup_len);
2804 __swab16s(¶m->oup_padding);
2805 __swab32s(¶m->oup_padding2);
2806 param = (struct object_update_param *)((char *)param +
2807 object_update_param_size(param));
2811 void lustre_swab_object_update_request(struct object_update_request *our)
2814 __swab32s(&our->ourq_magic);
2815 __swab16s(&our->ourq_count);
2816 __swab16s(&our->ourq_padding);
2817 for (i = 0; i < our->ourq_count; i++) {
2818 struct object_update *ou;
2820 ou = object_update_request_get(our, i, NULL);
2823 lustre_swab_object_update(ou);
2827 void lustre_swab_object_update_result(struct object_update_result *our)
2829 __swab32s(&our->our_rc);
2830 __swab16s(&our->our_datalen);
2831 __swab16s(&our->our_padding);
2834 void lustre_swab_object_update_reply(struct object_update_reply *our)
2838 __swab32s(&our->ourp_magic);
2839 __swab16s(&our->ourp_count);
2840 __swab16s(&our->ourp_padding);
2841 for (i = 0; i < our->ourp_count; i++) {
2842 struct object_update_result *ourp;
2844 __swab16s(&our->ourp_lens[i]);
2845 ourp = object_update_result_get(our, i, NULL);
2848 lustre_swab_object_update_result(ourp);
2852 void lustre_swab_out_update_header(struct out_update_header *ouh)
2854 __swab32s(&ouh->ouh_magic);
2855 __swab32s(&ouh->ouh_count);
2856 __swab32s(&ouh->ouh_inline_length);
2857 __swab32s(&ouh->ouh_reply_size);
2859 EXPORT_SYMBOL(lustre_swab_out_update_header);
2861 void lustre_swab_out_update_buffer(struct out_update_buffer *oub)
2863 __swab32s(&oub->oub_size);
2864 __swab32s(&oub->oub_padding);
2866 EXPORT_SYMBOL(lustre_swab_out_update_buffer);
2868 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2870 __swab64s(&msl->msl_flags);
2873 void lustre_swab_close_data(struct close_data *cd)
2875 lustre_swab_lu_fid(&cd->cd_fid);
2876 __swab64s(&cd->cd_data_version);
2879 void lustre_swab_close_data_resync_done(struct close_data_resync_done *resync)
2883 __swab32s(&resync->resync_count);
2884 /* after swab, resync_count must in CPU endian */
2885 if (resync->resync_count <= INLINE_RESYNC_ARRAY_SIZE) {
2886 for (i = 0; i < resync->resync_count; i++)
2887 __swab32s(&resync->resync_ids_inline[i]);
2890 EXPORT_SYMBOL(lustre_swab_close_data_resync_done);
2892 void lustre_swab_lfsck_request(struct lfsck_request *lr)
2894 __swab32s(&lr->lr_event);
2895 __swab32s(&lr->lr_index);
2896 __swab32s(&lr->lr_flags);
2897 __swab32s(&lr->lr_valid);
2898 __swab32s(&lr->lr_speed);
2899 __swab16s(&lr->lr_version);
2900 __swab16s(&lr->lr_active);
2901 __swab16s(&lr->lr_param);
2902 __swab16s(&lr->lr_async_windows);
2903 __swab32s(&lr->lr_flags);
2904 lustre_swab_lu_fid(&lr->lr_fid);
2905 lustre_swab_lu_fid(&lr->lr_fid2);
2906 __swab32s(&lr->lr_comp_id);
2907 CLASSERT(offsetof(typeof(*lr), lr_padding_0) != 0);
2908 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2909 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2910 CLASSERT(offsetof(typeof(*lr), lr_padding_3) != 0);
2913 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
2915 __swab32s(&lr->lr_status);
2916 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2917 __swab64s(&lr->lr_repaired);
2920 static void lustre_swab_orphan_rec(struct lu_orphan_rec *rec)
2922 lustre_swab_lu_fid(&rec->lor_fid);
2923 __swab32s(&rec->lor_uid);
2924 __swab32s(&rec->lor_gid);
2927 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
2929 lustre_swab_lu_fid(&ent->loe_key);
2930 lustre_swab_orphan_rec(&ent->loe_rec);
2932 EXPORT_SYMBOL(lustre_swab_orphan_ent);
2934 void lustre_swab_orphan_ent_v2(struct lu_orphan_ent_v2 *ent)
2936 lustre_swab_lu_fid(&ent->loe_key);
2937 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
2938 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
2939 CLASSERT(offsetof(typeof(ent->loe_rec), lor_padding) != 0);
2941 EXPORT_SYMBOL(lustre_swab_orphan_ent_v2);
2943 void lustre_swab_orphan_ent_v3(struct lu_orphan_ent_v3 *ent)
2945 lustre_swab_lu_fid(&ent->loe_key);
2946 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
2947 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
2948 __swab32s(&ent->loe_rec.lor_layout_version);
2949 __swab32s(&ent->loe_rec.lor_range);
2950 CLASSERT(offsetof(typeof(ent->loe_rec), lor_padding_1) != 0);
2951 CLASSERT(offsetof(typeof(ent->loe_rec), lor_padding_2) != 0);
2953 EXPORT_SYMBOL(lustre_swab_orphan_ent_v3);
2955 void lustre_swab_ladvise(struct lu_ladvise *ladvise)
2957 __swab16s(&ladvise->lla_advice);
2958 __swab16s(&ladvise->lla_value1);
2959 __swab32s(&ladvise->lla_value2);
2960 __swab64s(&ladvise->lla_start);
2961 __swab64s(&ladvise->lla_end);
2962 __swab32s(&ladvise->lla_value3);
2963 __swab32s(&ladvise->lla_value4);
2965 EXPORT_SYMBOL(lustre_swab_ladvise);
2967 void lustre_swab_ladvise_hdr(struct ladvise_hdr *ladvise_hdr)
2969 __swab32s(&ladvise_hdr->lah_magic);
2970 __swab32s(&ladvise_hdr->lah_count);
2971 __swab64s(&ladvise_hdr->lah_flags);
2972 __swab32s(&ladvise_hdr->lah_value1);
2973 __swab32s(&ladvise_hdr->lah_value2);
2974 __swab64s(&ladvise_hdr->lah_value3);
2976 EXPORT_SYMBOL(lustre_swab_ladvise_hdr);