4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
31 * lustre/ptlrpc/pack_generic.c
33 * (Un)packing of OST requests
35 * Author: Peter J. Braam <braam@clusterfs.com>
36 * Author: Phil Schwan <phil@clusterfs.com>
37 * Author: Eric Barton <eeb@clusterfs.com>
40 #define DEBUG_SUBSYSTEM S_RPC
42 #include <linux/crc32.h>
44 #include <libcfs/libcfs.h>
46 #include <llog_swab.h>
47 #include <lustre_net.h>
48 #include <lustre_swab.h>
49 #include <obd_cksum.h>
50 #include <obd_class.h>
51 #include <obd_support.h>
52 #include "ptlrpc_internal.h"
54 static inline __u32 lustre_msg_hdr_size_v2(__u32 count)
56 return cfs_size_round(offsetof(struct lustre_msg_v2,
60 __u32 lustre_msg_hdr_size(__u32 magic, __u32 count)
65 case LUSTRE_MSG_MAGIC_V2:
66 return lustre_msg_hdr_size_v2(count);
68 LASSERTF(0, "incorrect message magic: %08x\n", magic);
73 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
77 lustre_set_req_swabbed(req, index);
79 lustre_set_rep_swabbed(req, index);
82 bool ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
86 return (ptlrpc_req_need_swab(req) &&
87 !lustre_req_swabbed(req, index));
89 return (ptlrpc_rep_need_swab(req) && !lustre_rep_swabbed(req, index));
92 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
93 enum lustre_msg_version version)
95 enum lustre_msg_version ver = lustre_msg_get_version(msg);
97 return (ver & LUSTRE_VERSION_MASK) != version;
100 int lustre_msg_check_version(struct lustre_msg *msg,
101 enum lustre_msg_version version)
103 #define LUSTRE_MSG_MAGIC_V1 0x0BD00BD0
104 switch (msg->lm_magic) {
105 case LUSTRE_MSG_MAGIC_V1:
106 CERROR("msg v1 not supported - please upgrade you system\n");
108 case LUSTRE_MSG_MAGIC_V2:
109 return lustre_msg_check_version_v2(msg, version);
111 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
114 #undef LUSTRE_MSG_MAGIC_V1
117 /* early reply size */
118 __u32 lustre_msg_early_size()
120 __u32 pblen = sizeof(struct ptlrpc_body);
122 return lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
124 EXPORT_SYMBOL(lustre_msg_early_size);
126 __u32 lustre_msg_size_v2(int count, __u32 *lengths)
132 size = lustre_msg_hdr_size_v2(count);
133 for (i = 0; i < count; i++)
134 size += cfs_size_round(lengths[i]);
138 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
148 __u32 lustre_msg_size(__u32 magic, int count, __u32 *lens)
150 __u32 size[] = { sizeof(struct ptlrpc_body) };
158 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
161 case LUSTRE_MSG_MAGIC_V2:
162 return lustre_msg_size_v2(count, lens);
164 LASSERTF(0, "incorrect message magic: %08x\n", magic);
170 * This is used to determine the size of a buffer that was already packed
171 * and will correctly handle the different message formats.
173 __u32 lustre_packed_msg_size(struct lustre_msg *msg)
175 switch (msg->lm_magic) {
176 case LUSTRE_MSG_MAGIC_V2:
177 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
179 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
183 EXPORT_SYMBOL(lustre_packed_msg_size);
185 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
193 msg->lm_bufcount = count;
194 /* XXX: lm_secflvr uninitialized here */
195 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
197 for (i = 0; i < count; i++)
198 msg->lm_buflens[i] = lens[i];
203 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
204 for (i = 0; i < count; i++) {
208 memcpy(ptr, tmp, lens[i]);
209 ptr += cfs_size_round(lens[i]);
212 EXPORT_SYMBOL(lustre_init_msg_v2);
214 static int lustre_pack_request_v2(struct ptlrpc_request *req,
215 int count, __u32 *lens, char **bufs)
219 reqlen = lustre_msg_size_v2(count, lens);
221 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
225 req->rq_reqlen = reqlen;
227 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
228 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
232 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
233 __u32 *lens, char **bufs)
235 __u32 size[] = { sizeof(struct ptlrpc_body) };
243 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
245 /* only use new format, we don't need to be compatible with 1.4 */
246 magic = LUSTRE_MSG_MAGIC_V2;
249 case LUSTRE_MSG_MAGIC_V2:
250 return lustre_pack_request_v2(req, count, lens, bufs);
252 LASSERTF(0, "incorrect message magic: %08x\n", magic);
258 struct list_head ptlrpc_rs_debug_lru =
259 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
260 spinlock_t ptlrpc_rs_debug_lock;
262 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
264 spin_lock(&ptlrpc_rs_debug_lock); \
265 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
266 spin_unlock(&ptlrpc_rs_debug_lock); \
269 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
271 spin_lock(&ptlrpc_rs_debug_lock); \
272 list_del(&(rs)->rs_debug_list); \
273 spin_unlock(&ptlrpc_rs_debug_lock); \
276 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
277 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
280 struct ptlrpc_reply_state *
281 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
283 struct ptlrpc_reply_state *rs = NULL;
285 spin_lock(&svcpt->scp_rep_lock);
287 /* See if we have anything in a pool, and wait if nothing */
288 while (list_empty(&svcpt->scp_rep_idle)) {
291 spin_unlock(&svcpt->scp_rep_lock);
292 /* If we cannot get anything for some long time, we better
293 * bail out instead of waiting infinitely */
294 rc = wait_event_idle_timeout(svcpt->scp_rep_waitq,
295 !list_empty(&svcpt->scp_rep_idle),
296 cfs_time_seconds(10));
299 spin_lock(&svcpt->scp_rep_lock);
302 rs = list_entry(svcpt->scp_rep_idle.next,
303 struct ptlrpc_reply_state, rs_list);
304 list_del(&rs->rs_list);
306 spin_unlock(&svcpt->scp_rep_lock);
308 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
309 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
310 rs->rs_svcpt = svcpt;
316 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
318 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
320 spin_lock(&svcpt->scp_rep_lock);
321 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
322 spin_unlock(&svcpt->scp_rep_lock);
323 wake_up(&svcpt->scp_rep_waitq);
326 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
327 __u32 *lens, char **bufs, int flags)
329 struct ptlrpc_reply_state *rs;
333 LASSERT(req->rq_reply_state == NULL);
336 if ((flags & LPRFL_EARLY_REPLY) == 0) {
337 spin_lock(&req->rq_lock);
338 req->rq_packed_final = 1;
339 spin_unlock(&req->rq_lock);
342 msg_len = lustre_msg_size_v2(count, lens);
343 rc = sptlrpc_svc_alloc_rs(req, msg_len);
347 rs = req->rq_reply_state;
348 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
349 rs->rs_cb_id.cbid_fn = reply_out_callback;
350 rs->rs_cb_id.cbid_arg = rs;
351 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
352 INIT_LIST_HEAD(&rs->rs_exp_list);
353 INIT_LIST_HEAD(&rs->rs_obd_list);
354 INIT_LIST_HEAD(&rs->rs_list);
355 spin_lock_init(&rs->rs_lock);
357 req->rq_replen = msg_len;
358 req->rq_reply_state = rs;
359 req->rq_repmsg = rs->rs_msg;
361 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
362 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
364 PTLRPC_RS_DEBUG_LRU_ADD(rs);
368 EXPORT_SYMBOL(lustre_pack_reply_v2);
370 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
371 char **bufs, int flags)
374 __u32 size[] = { sizeof(struct ptlrpc_body) };
382 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
384 switch (req->rq_reqmsg->lm_magic) {
385 case LUSTRE_MSG_MAGIC_V2:
386 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
389 LASSERTF(0, "incorrect message magic: %08x\n",
390 req->rq_reqmsg->lm_magic);
394 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
395 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
399 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
402 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
404 EXPORT_SYMBOL(lustre_pack_reply);
406 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, __u32 n, __u32 min_size)
408 __u32 i, offset, buflen, bufcount;
411 LASSERT(m->lm_bufcount > 0);
413 bufcount = m->lm_bufcount;
414 if (unlikely(n >= bufcount)) {
415 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
420 buflen = m->lm_buflens[n];
421 if (unlikely(buflen < min_size)) {
422 CERROR("msg %p buffer[%d] size %d too small "
423 "(required %d, opc=%d)\n", m, n, buflen, min_size,
424 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
428 offset = lustre_msg_hdr_size_v2(bufcount);
429 for (i = 0; i < n; i++)
430 offset += cfs_size_round(m->lm_buflens[i]);
432 return (char *)m + offset;
435 void *lustre_msg_buf(struct lustre_msg *m, __u32 n, __u32 min_size)
437 switch (m->lm_magic) {
438 case LUSTRE_MSG_MAGIC_V2:
439 return lustre_msg_buf_v2(m, n, min_size);
441 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
446 EXPORT_SYMBOL(lustre_msg_buf);
448 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
449 unsigned int newlen, int move_data)
451 char *tail = NULL, *newpos;
455 LASSERT(msg->lm_bufcount > segment);
456 LASSERT(msg->lm_buflens[segment] >= newlen);
458 if (msg->lm_buflens[segment] == newlen)
461 if (move_data && msg->lm_bufcount > segment + 1) {
462 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
463 for (n = segment + 1; n < msg->lm_bufcount; n++)
464 tail_len += cfs_size_round(msg->lm_buflens[n]);
467 msg->lm_buflens[segment] = newlen;
469 if (tail && tail_len) {
470 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
471 LASSERT(newpos <= tail);
473 memmove(newpos, tail, tail_len);
476 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
480 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
481 * we also move data forward from @segment + 1.
483 * if @newlen == 0, we remove the segment completely, but we still keep the
484 * totally bufcount the same to save possible data moving. this will leave a
485 * unused segment with size 0 at the tail, but that's ok.
487 * return new msg size after shrinking.
490 * + if any buffers higher than @segment has been filled in, must call shrink
491 * with non-zero @move_data.
492 * + caller should NOT keep pointers to msg buffers which higher than @segment
495 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
496 unsigned int newlen, int move_data)
498 switch (msg->lm_magic) {
499 case LUSTRE_MSG_MAGIC_V2:
500 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
502 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
505 EXPORT_SYMBOL(lustre_shrink_msg);
507 static int lustre_grow_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
510 char *tail = NULL, *newpos;
514 LASSERT(msg->lm_bufcount > segment);
515 LASSERT(msg->lm_buflens[segment] <= newlen);
517 if (msg->lm_buflens[segment] == newlen)
520 if (msg->lm_bufcount > segment + 1) {
521 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
522 for (n = segment + 1; n < msg->lm_bufcount; n++)
523 tail_len += cfs_size_round(msg->lm_buflens[n]);
526 msg->lm_buflens[segment] = newlen;
528 if (tail && tail_len) {
529 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
530 memmove(newpos, tail, tail_len);
533 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
537 * for @msg, grow @segment to size @newlen.
538 * Always move higher buffer forward.
540 * return new msg size after growing.
543 * - caller must make sure there is enough space in allocated message buffer
544 * - caller should NOT keep pointers to msg buffers which higher than @segment
547 int lustre_grow_msg(struct lustre_msg *msg, int segment, unsigned int newlen)
549 switch (msg->lm_magic) {
550 case LUSTRE_MSG_MAGIC_V2:
551 return lustre_grow_msg_v2(msg, segment, newlen);
553 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
556 EXPORT_SYMBOL(lustre_grow_msg);
558 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
560 PTLRPC_RS_DEBUG_LRU_DEL(rs);
562 LASSERT(atomic_read(&rs->rs_refcount) == 0);
563 LASSERT(!rs->rs_difficult || rs->rs_handled);
564 LASSERT(!rs->rs_on_net);
565 LASSERT(!rs->rs_scheduled);
566 LASSERT(rs->rs_export == NULL);
567 LASSERT(rs->rs_nlocks == 0);
568 LASSERT(list_empty(&rs->rs_exp_list));
569 LASSERT(list_empty(&rs->rs_obd_list));
571 sptlrpc_svc_free_rs(rs);
574 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
576 int swabbed, required_len, i, buflen;
578 /* Now we know the sender speaks my language. */
579 required_len = lustre_msg_hdr_size_v2(0);
580 if (len < required_len) {
581 /* can't even look inside the message */
582 CERROR("message length %d too small for lustre_msg\n", len);
586 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
589 __swab32s(&m->lm_magic);
590 __swab32s(&m->lm_bufcount);
591 __swab32s(&m->lm_secflvr);
592 __swab32s(&m->lm_repsize);
593 __swab32s(&m->lm_cksum);
594 __swab32s(&m->lm_flags);
595 BUILD_BUG_ON(offsetof(typeof(*m), lm_padding_2) == 0);
596 BUILD_BUG_ON(offsetof(typeof(*m), lm_padding_3) == 0);
599 if (m->lm_bufcount == 0 || m->lm_bufcount > PTLRPC_MAX_BUFCOUNT) {
600 CERROR("message bufcount %d is not valid\n", m->lm_bufcount);
603 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
604 if (len < required_len) {
605 /* didn't receive all the buffer lengths */
606 CERROR("message length %d too small for %d buflens\n",
607 len, m->lm_bufcount);
611 for (i = 0; i < m->lm_bufcount; i++) {
613 __swab32s(&m->lm_buflens[i]);
614 buflen = cfs_size_round(m->lm_buflens[i]);
615 if (buflen < 0 || buflen > PTLRPC_MAX_BUFLEN) {
616 CERROR("buffer %d length %d is not valid\n", i, buflen);
619 required_len += buflen;
621 if (len < required_len || required_len > PTLRPC_MAX_BUFLEN) {
622 CERROR("len: %d, required_len %d, bufcount: %d\n",
623 len, required_len, m->lm_bufcount);
624 for (i = 0; i < m->lm_bufcount; i++)
625 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
632 int __lustre_unpack_msg(struct lustre_msg *m, int len)
634 int required_len, rc;
638 * We can provide a slightly better error log, if we check the
639 * message magic and version first. In the future, struct
640 * lustre_msg may grow, and we'd like to log a version mismatch,
641 * rather than a short message.
643 required_len = offsetof(struct lustre_msg, lm_magic) +
645 if (len < required_len) {
646 /* can't even look inside the message */
647 CERROR("message length %d too small for magic/version check\n",
652 rc = lustre_unpack_msg_v2(m, len);
656 EXPORT_SYMBOL(__lustre_unpack_msg);
658 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
662 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
664 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
670 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
674 rc = __lustre_unpack_msg(req->rq_repmsg, len);
676 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
682 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
683 const int inout, int offset)
685 struct ptlrpc_body *pb;
686 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
688 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
690 CERROR("error unpacking ptlrpc body\n");
693 if (ptlrpc_buf_need_swab(req, inout, offset)) {
694 lustre_swab_ptlrpc_body(pb);
695 ptlrpc_buf_set_swabbed(req, inout, offset);
698 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
699 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
704 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
709 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
711 switch (req->rq_reqmsg->lm_magic) {
712 case LUSTRE_MSG_MAGIC_V2:
713 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
715 CERROR("bad lustre msg magic: %08x\n",
716 req->rq_reqmsg->lm_magic);
721 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
723 switch (req->rq_repmsg->lm_magic) {
724 case LUSTRE_MSG_MAGIC_V2:
725 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
727 CERROR("bad lustre msg magic: %08x\n",
728 req->rq_repmsg->lm_magic);
733 static inline __u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, __u32 n)
735 if (n >= m->lm_bufcount)
738 return m->lm_buflens[n];
742 * lustre_msg_buflen - return the length of buffer \a n in message \a m
743 * \param m lustre_msg (request or reply) to look at
744 * \param n message index (base 0)
746 * returns zero for non-existent message indices
748 __u32 lustre_msg_buflen(struct lustre_msg *m, __u32 n)
750 switch (m->lm_magic) {
751 case LUSTRE_MSG_MAGIC_V2:
752 return lustre_msg_buflen_v2(m, n);
754 CERROR("incorrect message magic: %08x\n", m->lm_magic);
758 EXPORT_SYMBOL(lustre_msg_buflen);
761 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len)
763 if (n >= m->lm_bufcount)
766 m->lm_buflens[n] = len;
769 void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len)
771 switch (m->lm_magic) {
772 case LUSTRE_MSG_MAGIC_V2:
773 lustre_msg_set_buflen_v2(m, n, len);
776 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
781 * NB return the bufcount for lustre_msg_v2 format, so if message is packed
782 * in V1 format, the result is one bigger. (add struct ptlrpc_body).
784 __u32 lustre_msg_bufcount(struct lustre_msg *m)
786 switch (m->lm_magic) {
787 case LUSTRE_MSG_MAGIC_V2:
788 return m->lm_bufcount;
790 CERROR("incorrect message magic: %08x\n", m->lm_magic);
795 char *lustre_msg_string(struct lustre_msg *m, __u32 index, __u32 max_len)
797 /* max_len == 0 means the string should fill the buffer */
801 switch (m->lm_magic) {
802 case LUSTRE_MSG_MAGIC_V2:
803 str = lustre_msg_buf_v2(m, index, 0);
804 blen = lustre_msg_buflen_v2(m, index);
807 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
811 CERROR("can't unpack string in msg %p buffer[%d]\n", m, index);
815 slen = strnlen(str, blen);
817 if (slen == blen) { /* not NULL terminated */
818 CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n",
822 if (blen > PTLRPC_MAX_BUFLEN) {
823 CERROR("buffer length of msg %p buffer[%d] is invalid(%d)\n",
829 if (slen != blen - 1) {
830 CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n",
831 m, index, blen, slen);
834 } else if (slen > max_len) {
835 CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n",
836 m, index, blen, slen, max_len);
843 /* Wrap up the normal fixed length cases */
844 static inline void *__lustre_swab_buf(struct lustre_msg *msg, __u32 index,
845 __u32 min_size, void *swabber)
849 LASSERT(msg != NULL);
850 switch (msg->lm_magic) {
851 case LUSTRE_MSG_MAGIC_V2:
852 ptr = lustre_msg_buf_v2(msg, index, min_size);
855 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
858 if (ptr != NULL && swabber != NULL)
859 ((void (*)(void *))swabber)(ptr);
864 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
866 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
867 sizeof(struct ptlrpc_body_v2));
870 enum lustre_msghdr lustre_msghdr_get_flags(struct lustre_msg *msg)
872 switch (msg->lm_magic) {
873 case LUSTRE_MSG_MAGIC_V2:
874 /* already in host endian */
875 return msg->lm_flags;
877 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
881 EXPORT_SYMBOL(lustre_msghdr_get_flags);
883 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
885 switch (msg->lm_magic) {
886 case LUSTRE_MSG_MAGIC_V2:
887 msg->lm_flags = flags;
890 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
894 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
896 switch (msg->lm_magic) {
897 case LUSTRE_MSG_MAGIC_V2: {
898 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
902 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
907 * flags might be printed in debug code while message
913 EXPORT_SYMBOL(lustre_msg_get_flags);
915 void lustre_msg_add_flags(struct lustre_msg *msg, __u32 flags)
917 switch (msg->lm_magic) {
918 case LUSTRE_MSG_MAGIC_V2: {
919 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
920 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
921 pb->pb_flags |= flags;
925 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
928 EXPORT_SYMBOL(lustre_msg_add_flags);
930 void lustre_msg_set_flags(struct lustre_msg *msg, __u32 flags)
932 switch (msg->lm_magic) {
933 case LUSTRE_MSG_MAGIC_V2: {
934 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
935 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
936 pb->pb_flags = flags;
940 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
944 void lustre_msg_clear_flags(struct lustre_msg *msg, __u32 flags)
946 switch (msg->lm_magic) {
947 case LUSTRE_MSG_MAGIC_V2: {
948 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
949 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
950 pb->pb_flags &= ~flags;
955 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
958 EXPORT_SYMBOL(lustre_msg_clear_flags);
960 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
962 switch (msg->lm_magic) {
963 case LUSTRE_MSG_MAGIC_V2: {
964 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
966 return pb->pb_op_flags;
968 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
976 void lustre_msg_add_op_flags(struct lustre_msg *msg, __u32 flags)
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_op_flags |= flags;
986 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
989 EXPORT_SYMBOL(lustre_msg_add_op_flags);
991 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
993 switch (msg->lm_magic) {
994 case LUSTRE_MSG_MAGIC_V2: {
995 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
997 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1000 return &pb->pb_handle;
1003 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1008 __u32 lustre_msg_get_type(struct lustre_msg *msg)
1010 switch (msg->lm_magic) {
1011 case LUSTRE_MSG_MAGIC_V2: {
1012 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1014 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1015 return PTL_RPC_MSG_ERR;
1020 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1021 return PTL_RPC_MSG_ERR;
1024 EXPORT_SYMBOL(lustre_msg_get_type);
1026 enum lustre_msg_version lustre_msg_get_version(struct lustre_msg *msg)
1028 switch (msg->lm_magic) {
1029 case LUSTRE_MSG_MAGIC_V2: {
1030 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1032 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1035 return pb->pb_version;
1038 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1043 void lustre_msg_add_version(struct lustre_msg *msg, __u32 version)
1045 switch (msg->lm_magic) {
1046 case LUSTRE_MSG_MAGIC_V2: {
1047 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1048 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1049 pb->pb_version |= version;
1053 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1057 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1059 switch (msg->lm_magic) {
1060 case LUSTRE_MSG_MAGIC_V2: {
1061 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1063 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1069 CERROR("incorrect message magic: %08x (msg:%p)\n",
1070 msg->lm_magic, msg);
1074 EXPORT_SYMBOL(lustre_msg_get_opc);
1076 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1078 switch (msg->lm_magic) {
1079 case LUSTRE_MSG_MAGIC_V2: {
1080 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1082 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1085 return pb->pb_last_xid;
1088 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1092 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1094 __u16 lustre_msg_get_tag(struct lustre_msg *msg)
1096 switch (msg->lm_magic) {
1097 case LUSTRE_MSG_MAGIC_V2: {
1098 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1100 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1106 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1110 EXPORT_SYMBOL(lustre_msg_get_tag);
1112 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1114 switch (msg->lm_magic) {
1115 case LUSTRE_MSG_MAGIC_V2: {
1116 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1118 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1121 return pb->pb_last_committed;
1124 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1128 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1130 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1132 switch (msg->lm_magic) {
1133 case LUSTRE_MSG_MAGIC_V2: {
1134 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1136 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1139 return pb->pb_pre_versions;
1142 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1146 EXPORT_SYMBOL(lustre_msg_get_versions);
1148 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1150 switch (msg->lm_magic) {
1151 case LUSTRE_MSG_MAGIC_V2: {
1152 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1154 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1157 return pb->pb_transno;
1160 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1164 EXPORT_SYMBOL(lustre_msg_get_transno);
1166 int lustre_msg_get_status(struct lustre_msg *msg)
1168 switch (msg->lm_magic) {
1169 case LUSTRE_MSG_MAGIC_V2: {
1170 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1172 return pb->pb_status;
1173 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1178 * status might be printed in debug code while message
1184 EXPORT_SYMBOL(lustre_msg_get_status);
1186 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1188 switch (msg->lm_magic) {
1189 case LUSTRE_MSG_MAGIC_V2: {
1190 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1192 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1198 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1204 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1206 switch (msg->lm_magic) {
1207 case LUSTRE_MSG_MAGIC_V2: {
1208 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1210 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1217 CERROR("invalid msg magic %x\n", msg->lm_magic);
1222 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1224 switch (msg->lm_magic) {
1225 case LUSTRE_MSG_MAGIC_V2: {
1226 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1228 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1231 return pb->pb_limit;
1234 CERROR("invalid msg magic %x\n", msg->lm_magic);
1240 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1242 switch (msg->lm_magic) {
1243 case LUSTRE_MSG_MAGIC_V2: {
1244 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1246 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1249 pb->pb_limit = limit;
1253 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1258 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1260 switch (msg->lm_magic) {
1261 case LUSTRE_MSG_MAGIC_V2: {
1262 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1264 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1267 return pb->pb_conn_cnt;
1270 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1274 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1276 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1278 switch (msg->lm_magic) {
1279 case LUSTRE_MSG_MAGIC_V2:
1280 return msg->lm_magic;
1282 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1287 timeout_t lustre_msg_get_timeout(struct lustre_msg *msg)
1289 switch (msg->lm_magic) {
1290 case LUSTRE_MSG_MAGIC_V2: {
1291 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1294 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1297 return pb->pb_timeout;
1300 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1305 timeout_t lustre_msg_get_service_timeout(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);
1312 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1315 return pb->pb_service_time;
1318 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1323 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1325 switch (msg->lm_magic) {
1326 case LUSTRE_MSG_MAGIC_V2: {
1327 struct ptlrpc_body *pb;
1329 /* the old pltrpc_body_v2 is smaller; doesn't include jobid */
1330 if (msg->lm_buflens[MSG_PTLRPC_BODY_OFF] <
1331 sizeof(struct ptlrpc_body))
1334 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1335 sizeof(struct ptlrpc_body));
1339 return pb->pb_jobid;
1342 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1346 EXPORT_SYMBOL(lustre_msg_get_jobid);
1348 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1350 switch (msg->lm_magic) {
1351 case LUSTRE_MSG_MAGIC_V2:
1352 return msg->lm_cksum;
1354 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1359 __u64 lustre_msg_get_mbits(struct lustre_msg *msg)
1361 switch (msg->lm_magic) {
1362 case LUSTRE_MSG_MAGIC_V2: {
1363 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1365 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1368 return pb->pb_mbits;
1371 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1376 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, __u32 buf)
1378 switch (msg->lm_magic) {
1379 case LUSTRE_MSG_MAGIC_V2: {
1380 struct ptlrpc_body *pb = lustre_msg_buf_v2(msg, buf, 0);
1381 __u32 len = lustre_msg_buflen(msg, buf);
1384 #if IS_ENABLED(CONFIG_CRC32)
1385 /* about 10x faster than crypto_hash for small buffers */
1386 crc = crc32_le(~(__u32)0, (unsigned char *)pb, len);
1387 #elif IS_ENABLED(CONFIG_CRYPTO_CRC32)
1388 unsigned int hsize = 4;
1390 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1391 len, NULL, 0, (unsigned char *)&crc,
1394 #error "need either CONFIG_CRC32 or CONFIG_CRYPTO_CRC32 enabled in the kernel"
1399 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1404 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1406 switch (msg->lm_magic) {
1407 case LUSTRE_MSG_MAGIC_V2: {
1408 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1409 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1410 pb->pb_handle = *handle;
1414 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1418 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1420 switch (msg->lm_magic) {
1421 case LUSTRE_MSG_MAGIC_V2: {
1422 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1423 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1428 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1432 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1434 switch (msg->lm_magic) {
1435 case LUSTRE_MSG_MAGIC_V2: {
1436 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1437 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1442 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1446 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
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_last_xid = last_xid;
1456 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1459 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1461 void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag)
1463 switch (msg->lm_magic) {
1464 case LUSTRE_MSG_MAGIC_V2: {
1465 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1466 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1471 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1474 EXPORT_SYMBOL(lustre_msg_set_tag);
1476 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1478 switch (msg->lm_magic) {
1479 case LUSTRE_MSG_MAGIC_V2: {
1480 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1481 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1482 pb->pb_last_committed = last_committed;
1486 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1490 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1492 switch (msg->lm_magic) {
1493 case LUSTRE_MSG_MAGIC_V2: {
1494 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1495 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1496 pb->pb_pre_versions[0] = versions[0];
1497 pb->pb_pre_versions[1] = versions[1];
1498 pb->pb_pre_versions[2] = versions[2];
1499 pb->pb_pre_versions[3] = versions[3];
1503 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1506 EXPORT_SYMBOL(lustre_msg_set_versions);
1508 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1510 switch (msg->lm_magic) {
1511 case LUSTRE_MSG_MAGIC_V2: {
1512 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1513 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1514 pb->pb_transno = transno;
1518 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1521 EXPORT_SYMBOL(lustre_msg_set_transno);
1523 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1525 switch (msg->lm_magic) {
1526 case LUSTRE_MSG_MAGIC_V2: {
1527 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1528 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1529 pb->pb_status = status;
1533 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1536 EXPORT_SYMBOL(lustre_msg_set_status);
1538 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1540 switch (msg->lm_magic) {
1541 case LUSTRE_MSG_MAGIC_V2: {
1542 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1543 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1544 pb->pb_conn_cnt = conn_cnt;
1548 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1552 void lustre_msg_set_timeout(struct lustre_msg *msg, timeout_t timeout)
1554 switch (msg->lm_magic) {
1555 case LUSTRE_MSG_MAGIC_V2: {
1556 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1558 LASSERT(timeout >= 0);
1559 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1560 pb->pb_timeout = timeout;
1564 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1568 void lustre_msg_set_service_timeout(struct lustre_msg *msg,
1569 timeout_t service_timeout)
1571 switch (msg->lm_magic) {
1572 case LUSTRE_MSG_MAGIC_V2: {
1573 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1575 LASSERT(service_timeout >= 0);
1576 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1577 pb->pb_service_time = service_timeout;
1581 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1585 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1587 switch (msg->lm_magic) {
1588 case LUSTRE_MSG_MAGIC_V2: {
1589 __u32 opc = lustre_msg_get_opc(msg);
1590 struct ptlrpc_body *pb;
1592 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1593 * See the comment in ptlrpc_request_pack(). */
1594 if (!opc || opc == LDLM_BL_CALLBACK ||
1595 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1598 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1599 sizeof(struct ptlrpc_body));
1600 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1603 memcpy(pb->pb_jobid, jobid, sizeof(pb->pb_jobid));
1604 else if (pb->pb_jobid[0] == '\0')
1605 lustre_get_jobid(pb->pb_jobid, sizeof(pb->pb_jobid));
1609 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1612 EXPORT_SYMBOL(lustre_msg_set_jobid);
1614 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1616 switch (msg->lm_magic) {
1617 case LUSTRE_MSG_MAGIC_V2:
1618 msg->lm_cksum = cksum;
1621 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1625 void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits)
1627 switch (msg->lm_magic) {
1628 case LUSTRE_MSG_MAGIC_V2: {
1629 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1631 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1632 pb->pb_mbits = mbits;
1636 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1640 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1642 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1644 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1645 req->rq_pill.rc_area[RCL_SERVER]);
1646 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1647 req->rq_reqmsg->lm_repsize = req->rq_replen;
1649 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1651 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1653 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1654 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1655 req->rq_reqmsg->lm_repsize = req->rq_replen;
1659 * Send a remote set_info_async.
1661 * This may go from client to server or server to client.
1663 int do_set_info_async(struct obd_import *imp,
1664 int opcode, int version,
1665 size_t keylen, void *key,
1666 size_t vallen, void *val,
1667 struct ptlrpc_request_set *set)
1669 struct ptlrpc_request *req;
1675 req = ptlrpc_request_alloc(imp, KEY_IS(KEY_CHANGELOG_CLEAR) ?
1681 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1682 RCL_CLIENT, keylen);
1683 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1684 RCL_CLIENT, vallen);
1685 rc = ptlrpc_request_pack(req, version, opcode);
1687 ptlrpc_request_free(req);
1691 if (KEY_IS(KEY_CHANGELOG_CLEAR))
1694 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1695 memcpy(tmp, key, keylen);
1696 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1697 memcpy(tmp, val, vallen);
1699 ptlrpc_request_set_replen(req);
1702 ptlrpc_set_add_req(set, req);
1703 ptlrpc_check_set(NULL, set);
1705 rc = ptlrpc_queue_wait(req);
1706 ptlrpc_req_finished(req);
1711 EXPORT_SYMBOL(do_set_info_async);
1713 /* byte flipping routines for all wire types declared in
1714 * lustre_idl.h implemented here.
1716 void lustre_swab_ptlrpc_body(struct ptlrpc_body *body)
1718 __swab32s(&body->pb_type);
1719 __swab32s(&body->pb_version);
1720 __swab32s(&body->pb_opc);
1721 __swab32s(&body->pb_status);
1722 __swab64s(&body->pb_last_xid);
1723 __swab16s(&body->pb_tag);
1724 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding0) == 0);
1725 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding1) == 0);
1726 __swab64s(&body->pb_last_committed);
1727 __swab64s(&body->pb_transno);
1728 __swab32s(&body->pb_flags);
1729 __swab32s(&body->pb_op_flags);
1730 __swab32s(&body->pb_conn_cnt);
1731 __swab32s(&body->pb_timeout);
1732 __swab32s(&body->pb_service_time);
1733 __swab32s(&body->pb_limit);
1734 __swab64s(&body->pb_slv);
1735 __swab64s(&body->pb_pre_versions[0]);
1736 __swab64s(&body->pb_pre_versions[1]);
1737 __swab64s(&body->pb_pre_versions[2]);
1738 __swab64s(&body->pb_pre_versions[3]);
1739 __swab64s(&body->pb_mbits);
1740 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding64_0) == 0);
1741 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding64_1) == 0);
1742 BUILD_BUG_ON(offsetof(typeof(*body), pb_padding64_2) == 0);
1744 * While we need to maintain compatibility between
1745 * clients and servers without ptlrpc_body_v2 (< 2.3)
1746 * do not swab any fields beyond pb_jobid, as we are
1747 * using this swab function for both ptlrpc_body
1748 * and ptlrpc_body_v2.
1750 /* pb_jobid is an ASCII string and should not be swabbed */
1751 BUILD_BUG_ON(offsetof(typeof(*body), pb_jobid) == 0);
1754 void lustre_swab_connect(struct obd_connect_data *ocd)
1756 __swab64s(&ocd->ocd_connect_flags);
1757 __swab32s(&ocd->ocd_version);
1758 __swab32s(&ocd->ocd_grant);
1759 __swab64s(&ocd->ocd_ibits_known);
1760 __swab32s(&ocd->ocd_index);
1761 __swab32s(&ocd->ocd_brw_size);
1763 * ocd_blocksize and ocd_inodespace don't need to be swabbed because
1764 * they are 8-byte values
1766 __swab16s(&ocd->ocd_grant_tax_kb);
1767 __swab32s(&ocd->ocd_grant_max_blks);
1768 __swab64s(&ocd->ocd_transno);
1769 __swab32s(&ocd->ocd_group);
1770 __swab32s(&ocd->ocd_cksum_types);
1771 __swab32s(&ocd->ocd_instance);
1773 * Fields after ocd_cksum_types are only accessible by the receiver
1774 * if the corresponding flag in ocd_connect_flags is set. Accessing
1775 * any field after ocd_maxbytes on the receiver without a valid flag
1776 * may result in out-of-bound memory access and kernel oops.
1778 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1779 __swab32s(&ocd->ocd_max_easize);
1780 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1781 __swab64s(&ocd->ocd_maxbytes);
1782 if (ocd->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS)
1783 __swab16s(&ocd->ocd_maxmodrpcs);
1784 BUILD_BUG_ON(offsetof(typeof(*ocd), padding0) == 0);
1785 BUILD_BUG_ON(offsetof(typeof(*ocd), padding1) == 0);
1786 if (ocd->ocd_connect_flags & OBD_CONNECT_FLAGS2)
1787 __swab64s(&ocd->ocd_connect_flags2);
1788 BUILD_BUG_ON(offsetof(typeof(*ocd), padding3) == 0);
1789 BUILD_BUG_ON(offsetof(typeof(*ocd), padding4) == 0);
1790 BUILD_BUG_ON(offsetof(typeof(*ocd), padding5) == 0);
1791 BUILD_BUG_ON(offsetof(typeof(*ocd), padding6) == 0);
1792 BUILD_BUG_ON(offsetof(typeof(*ocd), padding7) == 0);
1793 BUILD_BUG_ON(offsetof(typeof(*ocd), padding8) == 0);
1794 BUILD_BUG_ON(offsetof(typeof(*ocd), padding9) == 0);
1795 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingA) == 0);
1796 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingB) == 0);
1797 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingC) == 0);
1798 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingD) == 0);
1799 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingE) == 0);
1800 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingF) == 0);
1803 static void lustre_swab_ost_layout(struct ost_layout *ol)
1805 __swab32s(&ol->ol_stripe_size);
1806 __swab32s(&ol->ol_stripe_count);
1807 __swab64s(&ol->ol_comp_start);
1808 __swab64s(&ol->ol_comp_end);
1809 __swab32s(&ol->ol_comp_id);
1812 void lustre_swab_obdo(struct obdo *o)
1814 __swab64s(&o->o_valid);
1815 lustre_swab_ost_id(&o->o_oi);
1816 __swab64s(&o->o_parent_seq);
1817 __swab64s(&o->o_size);
1818 __swab64s(&o->o_mtime);
1819 __swab64s(&o->o_atime);
1820 __swab64s(&o->o_ctime);
1821 __swab64s(&o->o_blocks);
1822 __swab64s(&o->o_grant);
1823 __swab32s(&o->o_blksize);
1824 __swab32s(&o->o_mode);
1825 __swab32s(&o->o_uid);
1826 __swab32s(&o->o_gid);
1827 __swab32s(&o->o_flags);
1828 __swab32s(&o->o_nlink);
1829 __swab32s(&o->o_parent_oid);
1830 __swab32s(&o->o_misc);
1831 __swab64s(&o->o_ioepoch);
1832 __swab32s(&o->o_stripe_idx);
1833 __swab32s(&o->o_parent_ver);
1834 lustre_swab_ost_layout(&o->o_layout);
1835 __swab32s(&o->o_layout_version);
1836 __swab32s(&o->o_uid_h);
1837 __swab32s(&o->o_gid_h);
1838 __swab64s(&o->o_data_version);
1839 __swab32s(&o->o_projid);
1840 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_4) == 0);
1841 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_5) == 0);
1842 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_6) == 0);
1845 EXPORT_SYMBOL(lustre_swab_obdo);
1847 void lustre_swab_obd_statfs(struct obd_statfs *os)
1849 __swab64s(&os->os_type);
1850 __swab64s(&os->os_blocks);
1851 __swab64s(&os->os_bfree);
1852 __swab64s(&os->os_bavail);
1853 __swab64s(&os->os_files);
1854 __swab64s(&os->os_ffree);
1855 /* no need to swab os_fsid */
1856 __swab32s(&os->os_bsize);
1857 __swab32s(&os->os_namelen);
1858 __swab64s(&os->os_maxbytes);
1859 __swab32s(&os->os_state);
1860 __swab32s(&os->os_fprecreated);
1861 __swab32s(&os->os_granted);
1862 BUILD_BUG_ON(offsetof(typeof(*os), os_spare3) == 0);
1863 BUILD_BUG_ON(offsetof(typeof(*os), os_spare4) == 0);
1864 BUILD_BUG_ON(offsetof(typeof(*os), os_spare5) == 0);
1865 BUILD_BUG_ON(offsetof(typeof(*os), os_spare6) == 0);
1866 BUILD_BUG_ON(offsetof(typeof(*os), os_spare7) == 0);
1867 BUILD_BUG_ON(offsetof(typeof(*os), os_spare8) == 0);
1868 BUILD_BUG_ON(offsetof(typeof(*os), os_spare9) == 0);
1871 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1873 lustre_swab_ost_id(&ioo->ioo_oid);
1874 __swab32s(&ioo->ioo_max_brw);
1875 __swab32s(&ioo->ioo_bufcnt);
1878 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1880 __swab64s(&nbr->rnb_offset);
1881 __swab32s(&nbr->rnb_len);
1882 __swab32s(&nbr->rnb_flags);
1885 void lustre_swab_ost_body(struct ost_body *b)
1887 lustre_swab_obdo(&b->oa);
1890 void lustre_swab_ost_last_id(u64 *id)
1895 void lustre_swab_generic_32s(__u32 *val)
1900 void lustre_swab_gl_lquota_desc(struct ldlm_gl_lquota_desc *desc)
1902 lustre_swab_lu_fid(&desc->gl_id.qid_fid);
1903 __swab64s(&desc->gl_flags);
1904 __swab64s(&desc->gl_ver);
1905 __swab64s(&desc->gl_hardlimit);
1906 __swab64s(&desc->gl_softlimit);
1907 __swab64s(&desc->gl_time);
1908 BUILD_BUG_ON(offsetof(typeof(*desc), gl_pad2) == 0);
1910 EXPORT_SYMBOL(lustre_swab_gl_lquota_desc);
1912 void lustre_swab_gl_barrier_desc(struct ldlm_gl_barrier_desc *desc)
1914 __swab32s(&desc->lgbd_status);
1915 __swab32s(&desc->lgbd_timeout);
1916 BUILD_BUG_ON(offsetof(typeof(*desc), lgbd_padding) == 0);
1918 EXPORT_SYMBOL(lustre_swab_gl_barrier_desc);
1920 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1922 __swab64s(&lvb->lvb_size);
1923 __swab64s(&lvb->lvb_mtime);
1924 __swab64s(&lvb->lvb_atime);
1925 __swab64s(&lvb->lvb_ctime);
1926 __swab64s(&lvb->lvb_blocks);
1928 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1930 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1932 __swab64s(&lvb->lvb_size);
1933 __swab64s(&lvb->lvb_mtime);
1934 __swab64s(&lvb->lvb_atime);
1935 __swab64s(&lvb->lvb_ctime);
1936 __swab64s(&lvb->lvb_blocks);
1937 __swab32s(&lvb->lvb_mtime_ns);
1938 __swab32s(&lvb->lvb_atime_ns);
1939 __swab32s(&lvb->lvb_ctime_ns);
1940 __swab32s(&lvb->lvb_padding);
1942 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1944 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1946 __swab64s(&lvb->lvb_flags);
1947 __swab64s(&lvb->lvb_id_may_rel);
1948 __swab64s(&lvb->lvb_id_rel);
1949 __swab64s(&lvb->lvb_id_qunit);
1950 __swab64s(&lvb->lvb_pad1);
1952 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1954 void lustre_swab_barrier_lvb(struct barrier_lvb *lvb)
1956 __swab32s(&lvb->lvb_status);
1957 __swab32s(&lvb->lvb_index);
1958 BUILD_BUG_ON(offsetof(typeof(*lvb), lvb_padding) == 0);
1960 EXPORT_SYMBOL(lustre_swab_barrier_lvb);
1962 void lustre_swab_mdt_body(struct mdt_body *b)
1964 lustre_swab_lu_fid(&b->mbo_fid1);
1965 lustre_swab_lu_fid(&b->mbo_fid2);
1966 /* handle is opaque */
1967 __swab64s(&b->mbo_valid);
1968 __swab64s(&b->mbo_size);
1969 __swab64s(&b->mbo_mtime);
1970 __swab64s(&b->mbo_atime);
1971 __swab64s(&b->mbo_ctime);
1972 __swab64s(&b->mbo_blocks);
1973 __swab64s(&b->mbo_version);
1974 __swab64s(&b->mbo_t_state);
1975 __swab32s(&b->mbo_fsuid);
1976 __swab32s(&b->mbo_fsgid);
1977 __swab32s(&b->mbo_capability);
1978 __swab32s(&b->mbo_mode);
1979 __swab32s(&b->mbo_uid);
1980 __swab32s(&b->mbo_gid);
1981 __swab32s(&b->mbo_flags);
1982 __swab32s(&b->mbo_rdev);
1983 __swab32s(&b->mbo_nlink);
1984 __swab32s(&b->mbo_layout_gen);
1985 __swab32s(&b->mbo_suppgid);
1986 __swab32s(&b->mbo_eadatasize);
1987 __swab32s(&b->mbo_aclsize);
1988 __swab32s(&b->mbo_max_mdsize);
1989 BUILD_BUG_ON(offsetof(typeof(*b), mbo_unused3) == 0);
1990 __swab32s(&b->mbo_uid_h);
1991 __swab32s(&b->mbo_gid_h);
1992 __swab32s(&b->mbo_projid);
1993 __swab64s(&b->mbo_dom_size);
1994 __swab64s(&b->mbo_dom_blocks);
1995 __swab64s(&b->mbo_btime);
1996 BUILD_BUG_ON(offsetof(typeof(*b), mbo_padding_9) == 0);
1997 BUILD_BUG_ON(offsetof(typeof(*b), mbo_padding_10) == 0);
2000 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
2002 /* mio_open_handle is opaque */
2003 BUILD_BUG_ON(offsetof(typeof(*b), mio_unused1) == 0);
2004 BUILD_BUG_ON(offsetof(typeof(*b), mio_unused2) == 0);
2005 BUILD_BUG_ON(offsetof(typeof(*b), mio_padding) == 0);
2008 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
2012 __swab32s(&mti->mti_lustre_ver);
2013 __swab32s(&mti->mti_stripe_index);
2014 __swab32s(&mti->mti_config_ver);
2015 __swab32s(&mti->mti_flags);
2016 __swab32s(&mti->mti_instance);
2017 __swab32s(&mti->mti_nid_count);
2018 BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64));
2019 for (i = 0; i < MTI_NIDS_MAX; i++)
2020 __swab64s(&mti->mti_nids[i]);
2023 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
2027 __swab64s(&entry->mne_version);
2028 __swab32s(&entry->mne_instance);
2029 __swab32s(&entry->mne_index);
2030 __swab32s(&entry->mne_length);
2032 /* mne_nid_(count|type) must be one byte size because we're gonna
2033 * access it w/o swapping. */
2034 BUILD_BUG_ON(sizeof(entry->mne_nid_count) != sizeof(__u8));
2035 BUILD_BUG_ON(sizeof(entry->mne_nid_type) != sizeof(__u8));
2037 /* remove this assertion if ipv6 is supported. */
2038 LASSERT(entry->mne_nid_type == 0);
2039 for (i = 0; i < entry->mne_nid_count; i++) {
2040 BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64));
2041 __swab64s(&entry->u.nids[i]);
2044 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
2046 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
2048 __swab64s(&body->mcb_offset);
2049 __swab32s(&body->mcb_units);
2050 __swab16s(&body->mcb_type);
2053 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
2055 __swab64s(&body->mcr_offset);
2056 __swab64s(&body->mcr_size);
2059 static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i)
2061 __swab64s(&i->dqi_bgrace);
2062 __swab64s(&i->dqi_igrace);
2063 __swab32s(&i->dqi_flags);
2064 __swab32s(&i->dqi_valid);
2067 static void lustre_swab_obd_dqblk(struct obd_dqblk *b)
2069 __swab64s(&b->dqb_ihardlimit);
2070 __swab64s(&b->dqb_isoftlimit);
2071 __swab64s(&b->dqb_curinodes);
2072 __swab64s(&b->dqb_bhardlimit);
2073 __swab64s(&b->dqb_bsoftlimit);
2074 __swab64s(&b->dqb_curspace);
2075 __swab64s(&b->dqb_btime);
2076 __swab64s(&b->dqb_itime);
2077 __swab32s(&b->dqb_valid);
2078 BUILD_BUG_ON(offsetof(typeof(*b), dqb_padding) == 0);
2081 int lustre_swab_obd_quotactl(struct obd_quotactl *q, __u32 len)
2083 if (unlikely(len <= sizeof(struct obd_quotactl)))
2086 __swab32s(&q->qc_cmd);
2087 __swab32s(&q->qc_type);
2088 __swab32s(&q->qc_id);
2089 __swab32s(&q->qc_stat);
2090 lustre_swab_obd_dqinfo(&q->qc_dqinfo);
2091 lustre_swab_obd_dqblk(&q->qc_dqblk);
2096 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
2098 lustre_swab_lu_fid(&gf->gf_fid);
2099 __swab64s(&gf->gf_recno);
2100 __swab32s(&gf->gf_linkno);
2101 __swab32s(&gf->gf_pathlen);
2103 EXPORT_SYMBOL(lustre_swab_fid2path);
2105 static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent)
2107 __swab64s(&fm_extent->fe_logical);
2108 __swab64s(&fm_extent->fe_physical);
2109 __swab64s(&fm_extent->fe_length);
2110 __swab32s(&fm_extent->fe_flags);
2111 __swab32s(&fm_extent->fe_device);
2114 static void lustre_swab_fiemap_hdr(struct fiemap *fiemap)
2116 __swab64s(&fiemap->fm_start);
2117 __swab64s(&fiemap->fm_length);
2118 __swab32s(&fiemap->fm_flags);
2119 __swab32s(&fiemap->fm_mapped_extents);
2120 __swab32s(&fiemap->fm_extent_count);
2121 __swab32s(&fiemap->fm_reserved);
2124 int lustre_swab_fiemap(struct fiemap *fiemap, __u32 len)
2126 __u32 i, size, count;
2128 lustre_swab_fiemap_hdr(fiemap);
2130 size = fiemap_count_to_size(fiemap->fm_mapped_extents);
2131 count = fiemap->fm_mapped_extents;
2132 if (unlikely(size > len)) {
2133 count = (len - sizeof(struct fiemap)) /
2134 sizeof(struct fiemap_extent);
2135 fiemap->fm_mapped_extents = count;
2138 /* still swab extents as we cannot yet pass rc to callers */
2139 for (i = 0; i < count; i++)
2140 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2145 void lustre_swab_fiemap_info_key(struct ll_fiemap_info_key *fiemap_info)
2147 lustre_swab_obdo(&fiemap_info->lfik_oa);
2148 lustre_swab_fiemap_hdr(&fiemap_info->lfik_fiemap);
2151 void lustre_swab_idx_info(struct idx_info *ii)
2153 __swab32s(&ii->ii_magic);
2154 __swab32s(&ii->ii_flags);
2155 __swab16s(&ii->ii_count);
2156 __swab32s(&ii->ii_attrs);
2157 lustre_swab_lu_fid(&ii->ii_fid);
2158 __swab64s(&ii->ii_version);
2159 __swab64s(&ii->ii_hash_start);
2160 __swab64s(&ii->ii_hash_end);
2161 __swab16s(&ii->ii_keysize);
2162 __swab16s(&ii->ii_recsize);
2165 void lustre_swab_lip_header(struct lu_idxpage *lip)
2168 __swab32s(&lip->lip_magic);
2169 __swab16s(&lip->lip_flags);
2170 __swab16s(&lip->lip_nr);
2172 EXPORT_SYMBOL(lustre_swab_lip_header);
2174 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2176 __swab32s(&rr->rr_opcode);
2177 __swab32s(&rr->rr_cap);
2178 __swab32s(&rr->rr_fsuid);
2179 /* rr_fsuid_h is unused */
2180 __swab32s(&rr->rr_fsgid);
2181 /* rr_fsgid_h is unused */
2182 __swab32s(&rr->rr_suppgid1);
2183 /* rr_suppgid1_h is unused */
2184 __swab32s(&rr->rr_suppgid2);
2185 /* rr_suppgid2_h is unused */
2186 lustre_swab_lu_fid(&rr->rr_fid1);
2187 lustre_swab_lu_fid(&rr->rr_fid2);
2188 __swab64s(&rr->rr_mtime);
2189 __swab64s(&rr->rr_atime);
2190 __swab64s(&rr->rr_ctime);
2191 __swab64s(&rr->rr_size);
2192 __swab64s(&rr->rr_blocks);
2193 __swab32s(&rr->rr_bias);
2194 __swab32s(&rr->rr_mode);
2195 __swab32s(&rr->rr_flags);
2196 __swab32s(&rr->rr_flags_h);
2197 __swab32s(&rr->rr_umask);
2198 __swab16s(&rr->rr_mirror_id);
2200 BUILD_BUG_ON(offsetof(typeof(*rr), rr_padding_4) == 0);
2203 void lustre_swab_lov_desc(struct lov_desc *ld)
2205 __swab32s(&ld->ld_tgt_count);
2206 __swab32s(&ld->ld_active_tgt_count);
2207 __swab32s(&ld->ld_default_stripe_count);
2208 __swab32s(&ld->ld_pattern);
2209 __swab64s(&ld->ld_default_stripe_size);
2210 __swab64s(&ld->ld_default_stripe_offset);
2211 __swab32s(&ld->ld_qos_maxage);
2212 /* uuid endian insensitive */
2214 EXPORT_SYMBOL(lustre_swab_lov_desc);
2216 void lustre_swab_lmv_desc(struct lmv_desc *ld)
2218 __swab32s(&ld->ld_tgt_count);
2219 __swab32s(&ld->ld_active_tgt_count);
2220 __swab32s(&ld->ld_default_stripe_count);
2221 __swab32s(&ld->ld_pattern);
2222 __swab64s(&ld->ld_default_hash_size);
2223 __swab32s(&ld->ld_qos_maxage);
2224 /* uuid endian insensitive */
2227 /* This structure is always in little-endian */
2228 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2232 __swab32s(&lmm1->lmv_magic);
2233 __swab32s(&lmm1->lmv_stripe_count);
2234 __swab32s(&lmm1->lmv_master_mdt_index);
2235 __swab32s(&lmm1->lmv_hash_type);
2236 __swab32s(&lmm1->lmv_layout_version);
2237 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2238 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2241 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2243 switch (lmm->lmv_magic) {
2245 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2251 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
2253 void lustre_swab_lmv_user_md_objects(struct lmv_user_mds_data *lmd,
2258 for (i = 0; i < stripe_count; i++)
2259 __swab32s(&(lmd[i].lum_mds));
2261 EXPORT_SYMBOL(lustre_swab_lmv_user_md_objects);
2264 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2268 if (lum->lum_magic == LMV_MAGIC_FOREIGN) {
2269 __swab32s(&lum->lum_magic);
2270 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_length);
2271 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_type);
2272 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_flags);
2276 count = lum->lum_stripe_count;
2277 __swab32s(&lum->lum_magic);
2278 __swab32s(&lum->lum_stripe_count);
2279 __swab32s(&lum->lum_stripe_offset);
2280 __swab32s(&lum->lum_hash_type);
2281 __swab32s(&lum->lum_type);
2282 /* lum_max_inherit and lum_max_inherit_rr do not need to be swabbed */
2283 BUILD_BUG_ON(offsetof(typeof(*lum), lum_padding1) == 0);
2284 BUILD_BUG_ON(offsetof(typeof(*lum), lum_padding2) == 0);
2285 BUILD_BUG_ON(offsetof(typeof(*lum), lum_padding3) == 0);
2286 switch (lum->lum_magic) {
2287 case LMV_USER_MAGIC_SPECIFIC:
2288 count = lum->lum_stripe_count;
2290 case __swab32(LMV_USER_MAGIC_SPECIFIC):
2291 lustre_swab_lmv_user_md_objects(lum->lum_objects, count);
2297 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2299 static void lustre_print_v1v3(unsigned int lvl, struct lov_user_md *lum,
2302 CDEBUG(lvl, "%s lov_user_md %p:\n", msg, lum);
2303 CDEBUG(lvl, "\tlmm_magic: %#x\n", lum->lmm_magic);
2304 CDEBUG(lvl, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2305 CDEBUG(lvl, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
2306 CDEBUG(lvl, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
2307 CDEBUG(lvl, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2308 CDEBUG(lvl, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2309 CDEBUG(lvl, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2310 lum->lmm_stripe_offset);
2311 if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
2312 struct lov_user_md_v3 *v3 = (void *)lum;
2313 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2315 if (lum->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2316 struct lov_user_md_v3 *v3 = (void *)lum;
2319 if (v3->lmm_pool_name[0] != '\0')
2320 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2322 CDEBUG(lvl, "\ttarget list:\n");
2323 for (i = 0; i < v3->lmm_stripe_count; i++)
2324 CDEBUG(lvl, "\t\t%u\n", v3->lmm_objects[i].l_ost_idx);
2328 void lustre_print_user_md(unsigned int lvl, struct lov_user_md *lum,
2331 struct lov_comp_md_v1 *comp_v1;
2334 if (likely(!cfs_cdebug_show(lvl, DEBUG_SUBSYSTEM)))
2337 if (lum->lmm_magic == LOV_USER_MAGIC_V1 ||
2338 lum->lmm_magic == LOV_USER_MAGIC_V3) {
2339 lustre_print_v1v3(lvl, lum, msg);
2343 if (lum->lmm_magic != LOV_USER_MAGIC_COMP_V1) {
2344 CDEBUG(lvl, "%s: bad magic: %x\n", msg, lum->lmm_magic);
2348 comp_v1 = (struct lov_comp_md_v1 *)lum;
2349 CDEBUG(lvl, "%s: lov_comp_md_v1 %p:\n", msg, lum);
2350 CDEBUG(lvl, "\tlcm_magic: %#x\n", comp_v1->lcm_magic);
2351 CDEBUG(lvl, "\tlcm_size: %#x\n", comp_v1->lcm_size);
2352 CDEBUG(lvl, "\tlcm_layout_gen: %#x\n", comp_v1->lcm_layout_gen);
2353 CDEBUG(lvl, "\tlcm_flags: %#x\n", comp_v1->lcm_flags);
2354 CDEBUG(lvl, "\tlcm_entry_count: %#x\n\n", comp_v1->lcm_entry_count);
2355 CDEBUG(lvl, "\tlcm_mirror_count: %#x\n\n", comp_v1->lcm_mirror_count);
2357 for (i = 0; i < comp_v1->lcm_entry_count; i++) {
2358 struct lov_comp_md_entry_v1 *ent = &comp_v1->lcm_entries[i];
2359 struct lov_user_md *v1;
2361 CDEBUG(lvl, "\tentry %d:\n", i);
2362 CDEBUG(lvl, "\tlcme_id: %#x\n", ent->lcme_id);
2363 CDEBUG(lvl, "\tlcme_flags: %#x\n", ent->lcme_flags);
2364 if (ent->lcme_flags & LCME_FL_NOSYNC)
2365 CDEBUG(lvl, "\tlcme_timestamp: %llu\n",
2366 ent->lcme_timestamp);
2367 CDEBUG(lvl, "\tlcme_extent.e_start: %llu\n",
2368 ent->lcme_extent.e_start);
2369 CDEBUG(lvl, "\tlcme_extent.e_end: %llu\n",
2370 ent->lcme_extent.e_end);
2371 CDEBUG(lvl, "\tlcme_offset: %#x\n", ent->lcme_offset);
2372 CDEBUG(lvl, "\tlcme_size: %#x\n\n", ent->lcme_size);
2374 v1 = (struct lov_user_md *)((char *)comp_v1 +
2375 comp_v1->lcm_entries[i].lcme_offset);
2376 lustre_print_v1v3(lvl, v1, msg);
2379 EXPORT_SYMBOL(lustre_print_user_md);
2381 static void lustre_swab_lmm_oi(struct ost_id *oi)
2383 __swab64s(&oi->oi.oi_id);
2384 __swab64s(&oi->oi.oi_seq);
2387 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2390 __swab32s(&lum->lmm_magic);
2391 __swab32s(&lum->lmm_pattern);
2392 lustre_swab_lmm_oi(&lum->lmm_oi);
2393 __swab32s(&lum->lmm_stripe_size);
2394 __swab16s(&lum->lmm_stripe_count);
2395 __swab16s(&lum->lmm_stripe_offset);
2399 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2402 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2403 lustre_swab_lov_user_md_common(lum);
2406 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2408 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2411 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2412 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2413 /* lmm_pool_name nothing to do with char */
2416 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2418 void lustre_swab_lov_comp_md_v1(struct lov_comp_md_v1 *lum)
2420 struct lov_comp_md_entry_v1 *ent;
2421 struct lov_user_md_v1 *v1;
2422 struct lov_user_md_v3 *v3;
2426 __u16 ent_count, stripe_count;
2429 cpu_endian = lum->lcm_magic == LOV_USER_MAGIC_COMP_V1;
2430 ent_count = lum->lcm_entry_count;
2432 __swab16s(&ent_count);
2434 CDEBUG(D_IOCTL, "swabbing lov_user_comp_md v1\n");
2435 __swab32s(&lum->lcm_magic);
2436 __swab32s(&lum->lcm_size);
2437 __swab32s(&lum->lcm_layout_gen);
2438 __swab16s(&lum->lcm_flags);
2439 __swab16s(&lum->lcm_entry_count);
2440 __swab16s(&lum->lcm_mirror_count);
2441 BUILD_BUG_ON(offsetof(typeof(*lum), lcm_padding1) == 0);
2442 BUILD_BUG_ON(offsetof(typeof(*lum), lcm_padding2) == 0);
2444 for (i = 0; i < ent_count; i++) {
2445 ent = &lum->lcm_entries[i];
2446 off = ent->lcme_offset;
2447 size = ent->lcme_size;
2453 __swab32s(&ent->lcme_id);
2454 __swab32s(&ent->lcme_flags);
2455 __swab64s(&ent->lcme_timestamp);
2456 __swab64s(&ent->lcme_extent.e_start);
2457 __swab64s(&ent->lcme_extent.e_end);
2458 __swab32s(&ent->lcme_offset);
2459 __swab32s(&ent->lcme_size);
2460 __swab32s(&ent->lcme_layout_gen);
2461 BUILD_BUG_ON(offsetof(typeof(*ent), lcme_padding_1) == 0);
2463 v1 = (struct lov_user_md_v1 *)((char *)lum + off);
2464 stripe_count = v1->lmm_stripe_count;
2466 __swab16s(&stripe_count);
2468 if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V1) ||
2469 v1->lmm_magic == LOV_USER_MAGIC_V1) {
2470 lustre_swab_lov_user_md_v1(v1);
2471 if (size > sizeof(*v1))
2472 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2474 } else if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V3) ||
2475 v1->lmm_magic == LOV_USER_MAGIC_V3 ||
2476 v1->lmm_magic == __swab32(LOV_USER_MAGIC_SPECIFIC) ||
2477 v1->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2478 v3 = (struct lov_user_md_v3 *)v1;
2479 lustre_swab_lov_user_md_v3(v3);
2480 if (size > sizeof(*v3))
2481 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2484 CERROR("Invalid magic %#x\n", v1->lmm_magic);
2488 EXPORT_SYMBOL(lustre_swab_lov_comp_md_v1);
2490 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2496 for (i = 0; i < stripe_count; i++) {
2497 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2498 __swab32s(&(lod[i].l_ost_gen));
2499 __swab32s(&(lod[i].l_ost_idx));
2503 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2505 void lustre_swab_lov_user_md(struct lov_user_md *lum, size_t size)
2507 struct lov_user_md_v1 *v1;
2508 struct lov_user_md_v3 *v3;
2509 struct lov_foreign_md *lfm;
2513 CDEBUG(D_IOCTL, "swabbing lov_user_md\n");
2514 switch (lum->lmm_magic) {
2515 case __swab32(LOV_MAGIC_V1):
2516 case LOV_USER_MAGIC_V1:
2518 v1 = (struct lov_user_md_v1 *)lum;
2519 stripe_count = v1->lmm_stripe_count;
2521 if (lum->lmm_magic != LOV_USER_MAGIC_V1)
2522 __swab16s(&stripe_count);
2524 lustre_swab_lov_user_md_v1(v1);
2525 if (size > sizeof(*v1))
2526 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2531 case __swab32(LOV_MAGIC_V3):
2532 case LOV_USER_MAGIC_V3:
2534 v3 = (struct lov_user_md_v3 *)lum;
2535 stripe_count = v3->lmm_stripe_count;
2537 if (lum->lmm_magic != LOV_USER_MAGIC_V3)
2538 __swab16s(&stripe_count);
2540 lustre_swab_lov_user_md_v3(v3);
2541 if (size > sizeof(*v3))
2542 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2546 case __swab32(LOV_USER_MAGIC_SPECIFIC):
2547 case LOV_USER_MAGIC_SPECIFIC:
2549 v3 = (struct lov_user_md_v3 *)lum;
2550 stripe_count = v3->lmm_stripe_count;
2552 if (lum->lmm_magic != LOV_USER_MAGIC_SPECIFIC)
2553 __swab16s(&stripe_count);
2555 lustre_swab_lov_user_md_v3(v3);
2556 lustre_swab_lov_user_md_objects(v3->lmm_objects, stripe_count);
2559 case __swab32(LOV_MAGIC_COMP_V1):
2560 case LOV_USER_MAGIC_COMP_V1:
2561 lustre_swab_lov_comp_md_v1((struct lov_comp_md_v1 *)lum);
2563 case __swab32(LOV_MAGIC_FOREIGN):
2564 case LOV_USER_MAGIC_FOREIGN:
2566 lfm = (struct lov_foreign_md *)lum;
2567 __swab32s(&lfm->lfm_magic);
2568 __swab32s(&lfm->lfm_length);
2569 __swab32s(&lfm->lfm_type);
2570 __swab32s(&lfm->lfm_flags);
2574 CDEBUG(D_IOCTL, "Invalid LOV magic %08x\n", lum->lmm_magic);
2577 EXPORT_SYMBOL(lustre_swab_lov_user_md);
2579 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2582 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2583 __swab32s(&lmm->lmm_magic);
2584 __swab32s(&lmm->lmm_pattern);
2585 lustre_swab_lmm_oi(&lmm->lmm_oi);
2586 __swab32s(&lmm->lmm_stripe_size);
2587 __swab16s(&lmm->lmm_stripe_count);
2588 __swab16s(&lmm->lmm_layout_gen);
2591 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2593 void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
2597 for (i = 0; i < RES_NAME_SIZE; i++)
2598 __swab64s(&id->name[i]);
2601 void lustre_swab_ldlm_policy_data(union ldlm_wire_policy_data *d)
2603 /* the lock data is a union and the first two fields are always an
2604 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2605 * data the same way.
2607 __swab64s(&d->l_extent.start);
2608 __swab64s(&d->l_extent.end);
2609 __swab64s(&d->l_extent.gid);
2610 __swab64s(&d->l_flock.lfw_owner);
2611 __swab32s(&d->l_flock.lfw_pid);
2614 void lustre_swab_ldlm_intent(struct ldlm_intent *i)
2619 void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2621 __swab32s(&r->lr_type);
2622 BUILD_BUG_ON(offsetof(typeof(*r), lr_pad) == 0);
2623 lustre_swab_ldlm_res_id(&r->lr_name);
2626 void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
2628 lustre_swab_ldlm_resource_desc(&l->l_resource);
2629 __swab32s(&l->l_req_mode);
2630 __swab32s(&l->l_granted_mode);
2631 lustre_swab_ldlm_policy_data(&l->l_policy_data);
2634 void lustre_swab_ldlm_request(struct ldlm_request *rq)
2636 __swab32s(&rq->lock_flags);
2637 lustre_swab_ldlm_lock_desc(&rq->lock_desc);
2638 __swab32s(&rq->lock_count);
2639 /* lock_handle[] opaque */
2642 void lustre_swab_ldlm_reply(struct ldlm_reply *r)
2644 __swab32s(&r->lock_flags);
2645 BUILD_BUG_ON(offsetof(typeof(*r), lock_padding) == 0);
2646 lustre_swab_ldlm_lock_desc(&r->lock_desc);
2647 /* lock_handle opaque */
2648 __swab64s(&r->lock_policy_res1);
2649 __swab64s(&r->lock_policy_res2);
2652 void lustre_swab_quota_body(struct quota_body *b)
2654 lustre_swab_lu_fid(&b->qb_fid);
2655 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2656 __swab32s(&b->qb_flags);
2657 __swab64s(&b->qb_count);
2658 __swab64s(&b->qb_usage);
2659 __swab64s(&b->qb_slv_ver);
2662 /* Dump functions */
2663 void dump_ioo(struct obd_ioobj *ioo)
2666 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2667 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2671 void dump_rniobuf(struct niobuf_remote *nb)
2673 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2674 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2677 void dump_obdo(struct obdo *oa)
2679 u64 valid = oa->o_valid;
2681 CDEBUG(D_RPCTRACE, "obdo: o_valid = %#llx\n", valid);
2682 if (valid & OBD_MD_FLID)
2683 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2684 if (valid & OBD_MD_FLFID)
2685 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2687 if (valid & OBD_MD_FLSIZE)
2688 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2689 if (valid & OBD_MD_FLMTIME)
2690 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2691 if (valid & OBD_MD_FLATIME)
2692 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2693 if (valid & OBD_MD_FLCTIME)
2694 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2695 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2696 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2697 if (valid & OBD_MD_FLGRANT)
2698 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2699 if (valid & OBD_MD_FLBLKSZ)
2700 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2701 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2702 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2703 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2704 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2705 if (valid & OBD_MD_FLUID)
2706 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2707 if (valid & OBD_MD_FLUID)
2708 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2709 if (valid & OBD_MD_FLGID)
2710 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2711 if (valid & OBD_MD_FLGID)
2712 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2713 if (valid & OBD_MD_FLFLAGS)
2714 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2715 if (valid & OBD_MD_FLNLINK)
2716 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2717 else if (valid & OBD_MD_FLCKSUM)
2718 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2720 if (valid & OBD_MD_FLPARENT)
2721 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2723 if (valid & OBD_MD_FLFID) {
2724 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2726 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2729 if (valid & OBD_MD_FLHANDLE)
2730 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2731 oa->o_handle.cookie);
2734 void dump_ost_body(struct ost_body *ob)
2739 void dump_rcs(__u32 *rc)
2741 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2744 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2746 LASSERT(req->rq_reqmsg);
2748 switch (req->rq_reqmsg->lm_magic) {
2749 case LUSTRE_MSG_MAGIC_V2:
2750 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2752 CERROR("bad lustre msg magic: %#08X\n",
2753 req->rq_reqmsg->lm_magic);
2758 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2760 if (unlikely(!req->rq_repmsg))
2763 switch (req->rq_repmsg->lm_magic) {
2764 case LUSTRE_MSG_MAGIC_V2:
2765 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2767 /* uninitialized yet */
2772 void _debug_req(struct ptlrpc_request *req,
2773 struct libcfs_debug_msg_data *msgdata, const char *fmt, ...)
2775 bool req_ok = req->rq_reqmsg != NULL;
2776 bool rep_ok = false;
2777 lnet_nid_t nid = LNET_NID_ANY;
2778 struct va_format vaf;
2781 int rep_status = -1;
2783 spin_lock(&req->rq_early_free_lock);
2787 if (ptlrpc_req_need_swab(req)) {
2788 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2789 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2793 rep_flags = lustre_msg_get_flags(req->rq_repmsg);
2794 rep_status = lustre_msg_get_status(req->rq_repmsg);
2796 spin_unlock(&req->rq_early_free_lock);
2798 if (req->rq_import && req->rq_import->imp_connection)
2799 nid = req->rq_import->imp_connection->c_peer.nid;
2800 else if (req->rq_export && req->rq_export->exp_connection)
2801 nid = req->rq_export->exp_connection->c_peer.nid;
2803 va_start(args, fmt);
2806 libcfs_debug_msg(msgdata,
2807 "%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",
2809 req, req->rq_xid, req->rq_transno,
2810 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2811 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2813 req->rq_import->imp_obd->obd_name :
2815 req->rq_export->exp_client_uuid.uuid :
2817 libcfs_nid2str(nid),
2818 req->rq_request_portal, req->rq_reply_portal,
2819 req->rq_reqlen, req->rq_replen,
2820 req->rq_early_count, (s64)req->rq_timedout,
2821 (s64)req->rq_deadline,
2822 atomic_read(&req->rq_refcount),
2823 DEBUG_REQ_FLAGS(req),
2824 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2825 rep_flags, req->rq_status, rep_status,
2826 req_ok ? lustre_msg_get_jobid(req->rq_reqmsg) ?: ""
2830 EXPORT_SYMBOL(_debug_req);
2832 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2834 __swab32s(&state->hus_states);
2835 __swab32s(&state->hus_archive_id);
2838 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2840 __swab32s(&hss->hss_valid);
2841 __swab64s(&hss->hss_setmask);
2842 __swab64s(&hss->hss_clearmask);
2843 __swab32s(&hss->hss_archive_id);
2846 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2848 __swab64s(&extent->offset);
2849 __swab64s(&extent->length);
2852 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2854 __swab32s(&action->hca_state);
2855 __swab32s(&action->hca_action);
2856 lustre_swab_hsm_extent(&action->hca_location);
2859 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2861 lustre_swab_lu_fid(&hui->hui_fid);
2862 lustre_swab_hsm_extent(&hui->hui_extent);
2865 void lustre_swab_lu_extent(struct lu_extent *le)
2867 __swab64s(&le->e_start);
2868 __swab64s(&le->e_end);
2871 void lustre_swab_layout_intent(struct layout_intent *li)
2873 __swab32s(&li->li_opc);
2874 __swab32s(&li->li_flags);
2875 lustre_swab_lu_extent(&li->li_extent);
2878 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2880 lustre_swab_lu_fid(&hpk->hpk_fid);
2881 __swab64s(&hpk->hpk_cookie);
2882 __swab64s(&hpk->hpk_extent.offset);
2883 __swab64s(&hpk->hpk_extent.length);
2884 __swab16s(&hpk->hpk_flags);
2885 __swab16s(&hpk->hpk_errval);
2888 void lustre_swab_hsm_request(struct hsm_request *hr)
2890 __swab32s(&hr->hr_action);
2891 __swab32s(&hr->hr_archive_id);
2892 __swab64s(&hr->hr_flags);
2893 __swab32s(&hr->hr_itemcount);
2894 __swab32s(&hr->hr_data_len);
2897 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2899 __swab64s(&msl->msl_flags);
2902 void lustre_swab_close_data(struct close_data *cd)
2904 lustre_swab_lu_fid(&cd->cd_fid);
2905 __swab64s(&cd->cd_data_version);
2908 void lustre_swab_close_data_resync_done(struct close_data_resync_done *resync)
2912 __swab32s(&resync->resync_count);
2913 /* after swab, resync_count must in CPU endian */
2914 if (resync->resync_count <= INLINE_RESYNC_ARRAY_SIZE) {
2915 for (i = 0; i < resync->resync_count; i++)
2916 __swab32s(&resync->resync_ids_inline[i]);
2919 EXPORT_SYMBOL(lustre_swab_close_data_resync_done);
2921 void lustre_swab_lfsck_request(struct lfsck_request *lr)
2923 __swab32s(&lr->lr_event);
2924 __swab32s(&lr->lr_index);
2925 __swab32s(&lr->lr_flags);
2926 __swab32s(&lr->lr_valid);
2927 __swab32s(&lr->lr_speed);
2928 __swab16s(&lr->lr_version);
2929 __swab16s(&lr->lr_active);
2930 __swab16s(&lr->lr_param);
2931 __swab16s(&lr->lr_async_windows);
2932 __swab32s(&lr->lr_flags);
2933 lustre_swab_lu_fid(&lr->lr_fid);
2934 lustre_swab_lu_fid(&lr->lr_fid2);
2935 __swab32s(&lr->lr_comp_id);
2936 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_0) == 0);
2937 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_1) == 0);
2938 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_2) == 0);
2939 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_3) == 0);
2942 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
2944 __swab32s(&lr->lr_status);
2945 BUILD_BUG_ON(offsetof(typeof(*lr), lr_padding_1) == 0);
2946 __swab64s(&lr->lr_repaired);
2949 static void lustre_swab_orphan_rec(struct lu_orphan_rec *rec)
2951 lustre_swab_lu_fid(&rec->lor_fid);
2952 __swab32s(&rec->lor_uid);
2953 __swab32s(&rec->lor_gid);
2956 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
2958 lustre_swab_lu_fid(&ent->loe_key);
2959 lustre_swab_orphan_rec(&ent->loe_rec);
2961 EXPORT_SYMBOL(lustre_swab_orphan_ent);
2963 void lustre_swab_orphan_ent_v2(struct lu_orphan_ent_v2 *ent)
2965 lustre_swab_lu_fid(&ent->loe_key);
2966 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
2967 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
2968 BUILD_BUG_ON(offsetof(typeof(ent->loe_rec), lor_padding) == 0);
2970 EXPORT_SYMBOL(lustre_swab_orphan_ent_v2);
2972 void lustre_swab_orphan_ent_v3(struct lu_orphan_ent_v3 *ent)
2974 lustre_swab_lu_fid(&ent->loe_key);
2975 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
2976 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
2977 __swab32s(&ent->loe_rec.lor_layout_version);
2978 __swab32s(&ent->loe_rec.lor_range);
2979 BUILD_BUG_ON(offsetof(typeof(ent->loe_rec), lor_padding_1) == 0);
2980 BUILD_BUG_ON(offsetof(typeof(ent->loe_rec), lor_padding_2) == 0);
2982 EXPORT_SYMBOL(lustre_swab_orphan_ent_v3);
2984 void lustre_swab_ladvise(struct lu_ladvise *ladvise)
2986 __swab16s(&ladvise->lla_advice);
2987 __swab16s(&ladvise->lla_value1);
2988 __swab32s(&ladvise->lla_value2);
2989 __swab64s(&ladvise->lla_start);
2990 __swab64s(&ladvise->lla_end);
2991 __swab32s(&ladvise->lla_value3);
2992 __swab32s(&ladvise->lla_value4);
2994 EXPORT_SYMBOL(lustre_swab_ladvise);
2996 void lustre_swab_ladvise_hdr(struct ladvise_hdr *ladvise_hdr)
2998 __swab32s(&ladvise_hdr->lah_magic);
2999 __swab32s(&ladvise_hdr->lah_count);
3000 __swab64s(&ladvise_hdr->lah_flags);
3001 __swab32s(&ladvise_hdr->lah_value1);
3002 __swab32s(&ladvise_hdr->lah_value2);
3003 __swab64s(&ladvise_hdr->lah_value3);
3005 EXPORT_SYMBOL(lustre_swab_ladvise_hdr);