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.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/ptlrpc/pack_generic.c
38 * (Un)packing of OST requests
40 * Author: Peter J. Braam <braam@clusterfs.com>
41 * Author: Phil Schwan <phil@clusterfs.com>
42 * Author: Eric Barton <eeb@clusterfs.com>
45 #define DEBUG_SUBSYSTEM S_RPC
47 #include "../../include/linux/libcfs/libcfs.h"
49 #include "../include/obd_support.h"
50 #include "../include/obd_class.h"
51 #include "../include/lustre_net.h"
52 #include "../include/obd_cksum.h"
53 #include "../include/lustre/ll_fiemap.h"
55 #include "ptlrpc_internal.h"
57 static inline int lustre_msg_hdr_size_v2(int count)
59 return cfs_size_round(offsetof(struct lustre_msg_v2,
63 int lustre_msg_hdr_size(__u32 magic, int count)
66 case LUSTRE_MSG_MAGIC_V2:
67 return lustre_msg_hdr_size_v2(count);
69 LASSERTF(0, "incorrect message magic: %08x\n", magic);
73 EXPORT_SYMBOL(lustre_msg_hdr_size);
75 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
79 lustre_set_req_swabbed(req, index);
81 lustre_set_rep_swabbed(req, index);
83 EXPORT_SYMBOL(ptlrpc_buf_set_swabbed);
85 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
89 return (ptlrpc_req_need_swab(req) &&
90 !lustre_req_swabbed(req, index));
92 return (ptlrpc_rep_need_swab(req) &&
93 !lustre_rep_swabbed(req, index));
95 EXPORT_SYMBOL(ptlrpc_buf_need_swab);
97 /* early reply size */
98 int lustre_msg_early_size(void)
103 /* Always reply old ptlrpc_body_v2 to keep interoperability
104 * with the old client (< 2.3) which doesn't have pb_jobid
105 * in the ptlrpc_body.
107 * XXX Remove this whenever we drop interoperability with such
110 __u32 pblen = sizeof(struct ptlrpc_body_v2);
112 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
116 EXPORT_SYMBOL(lustre_msg_early_size);
118 int lustre_msg_size_v2(int count, __u32 *lengths)
123 size = lustre_msg_hdr_size_v2(count);
124 for (i = 0; i < count; i++)
125 size += cfs_size_round(lengths[i]);
129 EXPORT_SYMBOL(lustre_msg_size_v2);
131 /* This returns the size of the buffer that is required to hold a lustre_msg
132 * with the given sub-buffer lengths.
133 * NOTE: this should only be used for NEW requests, and should always be
134 * in the form of a v2 request. If this is a connection to a v1
135 * target then the first buffer will be stripped because the ptlrpc
136 * data is part of the lustre_msg_v1 header. b=14043 */
137 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
139 __u32 size[] = { sizeof(struct ptlrpc_body) };
147 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
150 case LUSTRE_MSG_MAGIC_V2:
151 return lustre_msg_size_v2(count, lens);
153 LASSERTF(0, "incorrect message magic: %08x\n", magic);
157 EXPORT_SYMBOL(lustre_msg_size);
159 /* This is used to determine the size of a buffer that was already packed
160 * and will correctly handle the different message formats. */
161 int lustre_packed_msg_size(struct lustre_msg *msg)
163 switch (msg->lm_magic) {
164 case LUSTRE_MSG_MAGIC_V2:
165 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
167 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
171 EXPORT_SYMBOL(lustre_packed_msg_size);
173 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
179 msg->lm_bufcount = count;
180 /* XXX: lm_secflvr uninitialized here */
181 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
183 for (i = 0; i < count; i++)
184 msg->lm_buflens[i] = lens[i];
189 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
190 for (i = 0; i < count; i++) {
193 LOGL(tmp, lens[i], ptr);
196 EXPORT_SYMBOL(lustre_init_msg_v2);
198 static int lustre_pack_request_v2(struct ptlrpc_request *req,
199 int count, __u32 *lens, char **bufs)
203 reqlen = lustre_msg_size_v2(count, lens);
205 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
209 req->rq_reqlen = reqlen;
211 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
212 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
216 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
217 __u32 *lens, char **bufs)
219 __u32 size[] = { sizeof(struct ptlrpc_body) };
227 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
229 /* only use new format, we don't need to be compatible with 1.4 */
230 return lustre_pack_request_v2(req, count, lens, bufs);
232 EXPORT_SYMBOL(lustre_pack_request);
235 LIST_HEAD(ptlrpc_rs_debug_lru);
236 spinlock_t ptlrpc_rs_debug_lock;
238 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
240 spin_lock(&ptlrpc_rs_debug_lock); \
241 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
242 spin_unlock(&ptlrpc_rs_debug_lock); \
245 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
247 spin_lock(&ptlrpc_rs_debug_lock); \
248 list_del(&(rs)->rs_debug_list); \
249 spin_unlock(&ptlrpc_rs_debug_lock); \
252 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while (0)
253 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while (0)
256 struct ptlrpc_reply_state *
257 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
259 struct ptlrpc_reply_state *rs = NULL;
261 spin_lock(&svcpt->scp_rep_lock);
263 /* See if we have anything in a pool, and wait if nothing */
264 while (list_empty(&svcpt->scp_rep_idle)) {
265 struct l_wait_info lwi;
268 spin_unlock(&svcpt->scp_rep_lock);
269 /* If we cannot get anything for some long time, we better
270 * bail out instead of waiting infinitely */
271 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
272 rc = l_wait_event(svcpt->scp_rep_waitq,
273 !list_empty(&svcpt->scp_rep_idle), &lwi);
276 spin_lock(&svcpt->scp_rep_lock);
279 rs = list_entry(svcpt->scp_rep_idle.next,
280 struct ptlrpc_reply_state, rs_list);
281 list_del(&rs->rs_list);
283 spin_unlock(&svcpt->scp_rep_lock);
285 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
286 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
287 rs->rs_svcpt = svcpt;
293 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
295 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
297 spin_lock(&svcpt->scp_rep_lock);
298 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
299 spin_unlock(&svcpt->scp_rep_lock);
300 wake_up(&svcpt->scp_rep_waitq);
303 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
304 __u32 *lens, char **bufs, int flags)
306 struct ptlrpc_reply_state *rs;
309 LASSERT(req->rq_reply_state == NULL);
311 if ((flags & LPRFL_EARLY_REPLY) == 0) {
312 spin_lock(&req->rq_lock);
313 req->rq_packed_final = 1;
314 spin_unlock(&req->rq_lock);
317 msg_len = lustre_msg_size_v2(count, lens);
318 rc = sptlrpc_svc_alloc_rs(req, msg_len);
322 rs = req->rq_reply_state;
323 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
324 rs->rs_cb_id.cbid_fn = reply_out_callback;
325 rs->rs_cb_id.cbid_arg = rs;
326 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
327 INIT_LIST_HEAD(&rs->rs_exp_list);
328 INIT_LIST_HEAD(&rs->rs_obd_list);
329 INIT_LIST_HEAD(&rs->rs_list);
330 spin_lock_init(&rs->rs_lock);
332 req->rq_replen = msg_len;
333 req->rq_reply_state = rs;
334 req->rq_repmsg = rs->rs_msg;
336 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
337 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
339 PTLRPC_RS_DEBUG_LRU_ADD(rs);
343 EXPORT_SYMBOL(lustre_pack_reply_v2);
345 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
346 char **bufs, int flags)
349 __u32 size[] = { sizeof(struct ptlrpc_body) };
357 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
359 switch (req->rq_reqmsg->lm_magic) {
360 case LUSTRE_MSG_MAGIC_V2:
361 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
364 LASSERTF(0, "incorrect message magic: %08x\n",
365 req->rq_reqmsg->lm_magic);
369 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
370 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
373 EXPORT_SYMBOL(lustre_pack_reply_flags);
375 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
378 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
380 EXPORT_SYMBOL(lustre_pack_reply);
382 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
384 int i, offset, buflen, bufcount;
389 bufcount = m->lm_bufcount;
390 if (unlikely(n >= bufcount)) {
391 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
396 buflen = m->lm_buflens[n];
397 if (unlikely(buflen < min_size)) {
398 CERROR("msg %p buffer[%d] size %d too small (required %d, opc=%d)\n",
399 m, n, buflen, min_size,
400 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
404 offset = lustre_msg_hdr_size_v2(bufcount);
405 for (i = 0; i < n; i++)
406 offset += cfs_size_round(m->lm_buflens[i]);
408 return (char *)m + offset;
411 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
413 switch (m->lm_magic) {
414 case LUSTRE_MSG_MAGIC_V2:
415 return lustre_msg_buf_v2(m, n, min_size);
417 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
422 EXPORT_SYMBOL(lustre_msg_buf);
424 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
425 unsigned int newlen, int move_data)
427 char *tail = NULL, *newpos;
431 LASSERT(msg->lm_bufcount > segment);
432 LASSERT(msg->lm_buflens[segment] >= newlen);
434 if (msg->lm_buflens[segment] == newlen)
437 if (move_data && msg->lm_bufcount > segment + 1) {
438 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
439 for (n = segment + 1; n < msg->lm_bufcount; n++)
440 tail_len += cfs_size_round(msg->lm_buflens[n]);
443 msg->lm_buflens[segment] = newlen;
445 if (tail && tail_len) {
446 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
447 LASSERT(newpos <= tail);
449 memmove(newpos, tail, tail_len);
452 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
456 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
457 * we also move data forward from @segment + 1.
459 * if @newlen == 0, we remove the segment completely, but we still keep the
460 * totally bufcount the same to save possible data moving. this will leave a
461 * unused segment with size 0 at the tail, but that's ok.
463 * return new msg size after shrinking.
466 * + if any buffers higher than @segment has been filled in, must call shrink
467 * with non-zero @move_data.
468 * + caller should NOT keep pointers to msg buffers which higher than @segment
471 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
472 unsigned int newlen, int move_data)
474 switch (msg->lm_magic) {
475 case LUSTRE_MSG_MAGIC_V2:
476 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
478 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
481 EXPORT_SYMBOL(lustre_shrink_msg);
483 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
485 PTLRPC_RS_DEBUG_LRU_DEL(rs);
487 LASSERT(atomic_read(&rs->rs_refcount) == 0);
488 LASSERT(!rs->rs_difficult || rs->rs_handled);
489 LASSERT(!rs->rs_on_net);
490 LASSERT(!rs->rs_scheduled);
491 LASSERT(rs->rs_export == NULL);
492 LASSERT(rs->rs_nlocks == 0);
493 LASSERT(list_empty(&rs->rs_exp_list));
494 LASSERT(list_empty(&rs->rs_obd_list));
496 sptlrpc_svc_free_rs(rs);
498 EXPORT_SYMBOL(lustre_free_reply_state);
500 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
502 int swabbed, required_len, i;
504 /* Now we know the sender speaks my language. */
505 required_len = lustre_msg_hdr_size_v2(0);
506 if (len < required_len) {
507 /* can't even look inside the message */
508 CERROR("message length %d too small for lustre_msg\n", len);
512 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
515 __swab32s(&m->lm_magic);
516 __swab32s(&m->lm_bufcount);
517 __swab32s(&m->lm_secflvr);
518 __swab32s(&m->lm_repsize);
519 __swab32s(&m->lm_cksum);
520 __swab32s(&m->lm_flags);
521 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
522 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
525 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
526 if (len < required_len) {
527 /* didn't receive all the buffer lengths */
528 CERROR("message length %d too small for %d buflens\n",
529 len, m->lm_bufcount);
533 for (i = 0; i < m->lm_bufcount; i++) {
535 __swab32s(&m->lm_buflens[i]);
536 required_len += cfs_size_round(m->lm_buflens[i]);
539 if (len < required_len) {
540 CERROR("len: %d, required_len %d\n", len, required_len);
541 CERROR("bufcount: %d\n", m->lm_bufcount);
542 for (i = 0; i < m->lm_bufcount; i++)
543 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
550 int __lustre_unpack_msg(struct lustre_msg *m, int len)
552 int required_len, rc;
554 /* We can provide a slightly better error log, if we check the
555 * message magic and version first. In the future, struct
556 * lustre_msg may grow, and we'd like to log a version mismatch,
557 * rather than a short message.
560 required_len = offsetof(struct lustre_msg, lm_magic) +
562 if (len < required_len) {
563 /* can't even look inside the message */
564 CERROR("message length %d too small for magic/version check\n",
569 rc = lustre_unpack_msg_v2(m, len);
573 EXPORT_SYMBOL(__lustre_unpack_msg);
575 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
579 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
581 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
586 EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
588 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
592 rc = __lustre_unpack_msg(req->rq_repmsg, len);
594 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
599 EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
601 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
602 const int inout, int offset)
604 struct ptlrpc_body *pb;
605 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
607 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
609 CERROR("error unpacking ptlrpc body\n");
612 if (ptlrpc_buf_need_swab(req, inout, offset)) {
613 lustre_swab_ptlrpc_body(pb);
614 ptlrpc_buf_set_swabbed(req, inout, offset);
617 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
618 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
623 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
628 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
630 switch (req->rq_reqmsg->lm_magic) {
631 case LUSTRE_MSG_MAGIC_V2:
632 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
634 CERROR("bad lustre msg magic: %08x\n",
635 req->rq_reqmsg->lm_magic);
640 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
642 switch (req->rq_repmsg->lm_magic) {
643 case LUSTRE_MSG_MAGIC_V2:
644 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
646 CERROR("bad lustre msg magic: %08x\n",
647 req->rq_repmsg->lm_magic);
652 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
654 if (n >= m->lm_bufcount)
657 return m->lm_buflens[n];
661 * lustre_msg_buflen - return the length of buffer \a n in message \a m
662 * \param m lustre_msg (request or reply) to look at
663 * \param n message index (base 0)
665 * returns zero for non-existent message indices
667 int lustre_msg_buflen(struct lustre_msg *m, int n)
669 switch (m->lm_magic) {
670 case LUSTRE_MSG_MAGIC_V2:
671 return lustre_msg_buflen_v2(m, n);
673 CERROR("incorrect message magic: %08x\n", m->lm_magic);
677 EXPORT_SYMBOL(lustre_msg_buflen);
679 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
680 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
681 int lustre_msg_bufcount(struct lustre_msg *m)
683 switch (m->lm_magic) {
684 case LUSTRE_MSG_MAGIC_V2:
685 return m->lm_bufcount;
687 CERROR("incorrect message magic: %08x\n", m->lm_magic);
691 EXPORT_SYMBOL(lustre_msg_bufcount);
693 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
695 /* max_len == 0 means the string should fill the buffer */
699 switch (m->lm_magic) {
700 case LUSTRE_MSG_MAGIC_V2:
701 str = lustre_msg_buf_v2(m, index, 0);
702 blen = lustre_msg_buflen_v2(m, index);
705 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
709 CERROR("can't unpack string in msg %p buffer[%d]\n", m, index);
713 slen = strnlen(str, blen);
715 if (slen == blen) { /* not NULL terminated */
716 CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n",
722 if (slen != blen - 1) {
723 CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n",
724 m, index, blen, slen);
727 } else if (slen > max_len) {
728 CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n",
729 m, index, blen, slen, max_len);
735 EXPORT_SYMBOL(lustre_msg_string);
737 /* Wrap up the normal fixed length cases */
738 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
739 int min_size, void *swabber)
743 LASSERT(msg != NULL);
744 switch (msg->lm_magic) {
745 case LUSTRE_MSG_MAGIC_V2:
746 ptr = lustre_msg_buf_v2(msg, index, min_size);
749 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
753 ((void (*)(void *))swabber)(ptr);
758 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
760 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
761 sizeof(struct ptlrpc_body_v2));
764 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
766 switch (msg->lm_magic) {
767 case LUSTRE_MSG_MAGIC_V2:
768 /* already in host endian */
769 return msg->lm_flags;
771 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
775 EXPORT_SYMBOL(lustre_msghdr_get_flags);
777 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
779 switch (msg->lm_magic) {
780 case LUSTRE_MSG_MAGIC_V2:
781 msg->lm_flags = flags;
784 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
788 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
790 switch (msg->lm_magic) {
791 case LUSTRE_MSG_MAGIC_V2: {
792 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
797 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
801 /* flags might be printed in debug code while message
806 EXPORT_SYMBOL(lustre_msg_get_flags);
808 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
810 switch (msg->lm_magic) {
811 case LUSTRE_MSG_MAGIC_V2: {
812 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
814 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
815 pb->pb_flags |= flags;
819 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
822 EXPORT_SYMBOL(lustre_msg_add_flags);
824 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
826 switch (msg->lm_magic) {
827 case LUSTRE_MSG_MAGIC_V2: {
828 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
830 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
831 pb->pb_flags = flags;
835 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
838 EXPORT_SYMBOL(lustre_msg_set_flags);
840 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
842 switch (msg->lm_magic) {
843 case LUSTRE_MSG_MAGIC_V2: {
844 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
846 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
847 pb->pb_flags &= ~(flags & MSG_GEN_FLAG_MASK);
851 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
854 EXPORT_SYMBOL(lustre_msg_clear_flags);
856 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
858 switch (msg->lm_magic) {
859 case LUSTRE_MSG_MAGIC_V2: {
860 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
863 return pb->pb_op_flags;
865 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
872 EXPORT_SYMBOL(lustre_msg_get_op_flags);
874 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
876 switch (msg->lm_magic) {
877 case LUSTRE_MSG_MAGIC_V2: {
878 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
880 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
881 pb->pb_op_flags |= flags;
885 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
888 EXPORT_SYMBOL(lustre_msg_add_op_flags);
890 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
892 switch (msg->lm_magic) {
893 case LUSTRE_MSG_MAGIC_V2: {
894 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
897 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
900 return &pb->pb_handle;
903 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
907 EXPORT_SYMBOL(lustre_msg_get_handle);
909 __u32 lustre_msg_get_type(struct lustre_msg *msg)
911 switch (msg->lm_magic) {
912 case LUSTRE_MSG_MAGIC_V2: {
913 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
916 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
917 return PTL_RPC_MSG_ERR;
922 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
923 return PTL_RPC_MSG_ERR;
926 EXPORT_SYMBOL(lustre_msg_get_type);
928 void lustre_msg_add_version(struct lustre_msg *msg, int version)
930 switch (msg->lm_magic) {
931 case LUSTRE_MSG_MAGIC_V2: {
932 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
934 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
935 pb->pb_version |= version;
939 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
942 EXPORT_SYMBOL(lustre_msg_add_version);
944 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
946 switch (msg->lm_magic) {
947 case LUSTRE_MSG_MAGIC_V2: {
948 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
951 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
957 CERROR("incorrect message magic: %08x (msg:%p)\n",
962 EXPORT_SYMBOL(lustre_msg_get_opc);
964 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
966 switch (msg->lm_magic) {
967 case LUSTRE_MSG_MAGIC_V2: {
968 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
971 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
974 return pb->pb_last_committed;
977 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
981 EXPORT_SYMBOL(lustre_msg_get_last_committed);
983 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
985 switch (msg->lm_magic) {
986 case LUSTRE_MSG_MAGIC_V2: {
987 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
990 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
993 return pb->pb_pre_versions;
996 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1000 EXPORT_SYMBOL(lustre_msg_get_versions);
1002 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1004 switch (msg->lm_magic) {
1005 case LUSTRE_MSG_MAGIC_V2: {
1006 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1009 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1012 return pb->pb_transno;
1015 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1019 EXPORT_SYMBOL(lustre_msg_get_transno);
1021 int lustre_msg_get_status(struct lustre_msg *msg)
1023 switch (msg->lm_magic) {
1024 case LUSTRE_MSG_MAGIC_V2: {
1025 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1028 return pb->pb_status;
1030 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1034 /* status might be printed in debug code while message
1039 EXPORT_SYMBOL(lustre_msg_get_status);
1041 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1043 switch (msg->lm_magic) {
1044 case LUSTRE_MSG_MAGIC_V2: {
1045 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1048 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1054 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1058 EXPORT_SYMBOL(lustre_msg_get_slv);
1060 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1062 switch (msg->lm_magic) {
1063 case LUSTRE_MSG_MAGIC_V2: {
1064 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1067 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1074 CERROR("invalid msg magic %x\n", msg->lm_magic);
1078 EXPORT_SYMBOL(lustre_msg_set_slv);
1080 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1082 switch (msg->lm_magic) {
1083 case LUSTRE_MSG_MAGIC_V2: {
1084 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1087 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1090 return pb->pb_limit;
1093 CERROR("invalid msg magic %x\n", msg->lm_magic);
1097 EXPORT_SYMBOL(lustre_msg_get_limit);
1099 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1101 switch (msg->lm_magic) {
1102 case LUSTRE_MSG_MAGIC_V2: {
1103 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1106 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1109 pb->pb_limit = limit;
1113 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1117 EXPORT_SYMBOL(lustre_msg_set_limit);
1119 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1121 switch (msg->lm_magic) {
1122 case LUSTRE_MSG_MAGIC_V2: {
1123 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1126 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1129 return pb->pb_conn_cnt;
1132 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1136 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1138 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1140 switch (msg->lm_magic) {
1141 case LUSTRE_MSG_MAGIC_V2:
1142 return msg->lm_magic;
1144 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1148 EXPORT_SYMBOL(lustre_msg_get_magic);
1150 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1152 switch (msg->lm_magic) {
1153 case LUSTRE_MSG_MAGIC_V2: {
1154 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1157 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1161 return pb->pb_timeout;
1164 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1169 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1171 switch (msg->lm_magic) {
1172 case LUSTRE_MSG_MAGIC_V2: {
1173 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1176 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1180 return pb->pb_service_time;
1183 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1188 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1190 switch (msg->lm_magic) {
1191 case LUSTRE_MSG_MAGIC_V2:
1192 return msg->lm_cksum;
1194 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1199 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1201 switch (msg->lm_magic) {
1202 case LUSTRE_MSG_MAGIC_V2: {
1203 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1205 unsigned int hsize = 4;
1207 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1208 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF),
1209 NULL, 0, (unsigned char *)&crc, &hsize);
1213 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1218 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1220 switch (msg->lm_magic) {
1221 case LUSTRE_MSG_MAGIC_V2: {
1222 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1224 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1225 pb->pb_handle = *handle;
1229 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1232 EXPORT_SYMBOL(lustre_msg_set_handle);
1234 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1236 switch (msg->lm_magic) {
1237 case LUSTRE_MSG_MAGIC_V2: {
1238 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1240 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1245 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1248 EXPORT_SYMBOL(lustre_msg_set_type);
1250 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1252 switch (msg->lm_magic) {
1253 case LUSTRE_MSG_MAGIC_V2: {
1254 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1256 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1261 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1264 EXPORT_SYMBOL(lustre_msg_set_opc);
1266 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1268 switch (msg->lm_magic) {
1269 case LUSTRE_MSG_MAGIC_V2: {
1270 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1272 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1273 pb->pb_pre_versions[0] = versions[0];
1274 pb->pb_pre_versions[1] = versions[1];
1275 pb->pb_pre_versions[2] = versions[2];
1276 pb->pb_pre_versions[3] = versions[3];
1280 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1283 EXPORT_SYMBOL(lustre_msg_set_versions);
1285 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1287 switch (msg->lm_magic) {
1288 case LUSTRE_MSG_MAGIC_V2: {
1289 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1291 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1292 pb->pb_transno = transno;
1296 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1299 EXPORT_SYMBOL(lustre_msg_set_transno);
1301 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1303 switch (msg->lm_magic) {
1304 case LUSTRE_MSG_MAGIC_V2: {
1305 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1307 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1308 pb->pb_status = status;
1312 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1315 EXPORT_SYMBOL(lustre_msg_set_status);
1317 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1319 switch (msg->lm_magic) {
1320 case LUSTRE_MSG_MAGIC_V2: {
1321 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1323 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1324 pb->pb_conn_cnt = conn_cnt;
1328 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1331 EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
1333 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1335 switch (msg->lm_magic) {
1336 case LUSTRE_MSG_MAGIC_V2: {
1337 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1339 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1340 pb->pb_timeout = timeout;
1344 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1348 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1350 switch (msg->lm_magic) {
1351 case LUSTRE_MSG_MAGIC_V2: {
1352 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1354 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1355 pb->pb_service_time = service_time;
1359 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1363 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1365 switch (msg->lm_magic) {
1366 case LUSTRE_MSG_MAGIC_V2: {
1367 __u32 opc = lustre_msg_get_opc(msg);
1368 struct ptlrpc_body *pb;
1370 /* Don't set jobid for ldlm ast RPCs, they've been shrunk.
1371 * See the comment in ptlrpc_request_pack(). */
1372 if (!opc || opc == LDLM_BL_CALLBACK ||
1373 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1376 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1377 sizeof(struct ptlrpc_body));
1378 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1381 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1382 else if (pb->pb_jobid[0] == '\0')
1383 lustre_get_jobid(pb->pb_jobid);
1387 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1390 EXPORT_SYMBOL(lustre_msg_set_jobid);
1392 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1394 switch (msg->lm_magic) {
1395 case LUSTRE_MSG_MAGIC_V2:
1396 msg->lm_cksum = cksum;
1399 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1403 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1405 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1407 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1408 req->rq_pill.rc_area[RCL_SERVER]);
1409 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1410 req->rq_reqmsg->lm_repsize = req->rq_replen;
1412 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1415 * Send a remote set_info_async.
1417 * This may go from client to server or server to client.
1419 int do_set_info_async(struct obd_import *imp,
1420 int opcode, int version,
1421 u32 keylen, void *key,
1422 u32 vallen, void *val,
1423 struct ptlrpc_request_set *set)
1425 struct ptlrpc_request *req;
1429 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1433 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1434 RCL_CLIENT, keylen);
1435 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1436 RCL_CLIENT, vallen);
1437 rc = ptlrpc_request_pack(req, version, opcode);
1439 ptlrpc_request_free(req);
1443 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1444 memcpy(tmp, key, keylen);
1445 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1446 memcpy(tmp, val, vallen);
1448 ptlrpc_request_set_replen(req);
1451 ptlrpc_set_add_req(set, req);
1452 ptlrpc_check_set(NULL, set);
1454 rc = ptlrpc_queue_wait(req);
1455 ptlrpc_req_finished(req);
1460 EXPORT_SYMBOL(do_set_info_async);
1462 /* byte flipping routines for all wire types declared in
1463 * lustre_idl.h implemented here.
1465 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1467 __swab32s(&b->pb_type);
1468 __swab32s(&b->pb_version);
1469 __swab32s(&b->pb_opc);
1470 __swab32s(&b->pb_status);
1471 __swab64s(&b->pb_last_xid);
1472 __swab64s(&b->pb_last_seen);
1473 __swab64s(&b->pb_last_committed);
1474 __swab64s(&b->pb_transno);
1475 __swab32s(&b->pb_flags);
1476 __swab32s(&b->pb_op_flags);
1477 __swab32s(&b->pb_conn_cnt);
1478 __swab32s(&b->pb_timeout);
1479 __swab32s(&b->pb_service_time);
1480 __swab32s(&b->pb_limit);
1481 __swab64s(&b->pb_slv);
1482 __swab64s(&b->pb_pre_versions[0]);
1483 __swab64s(&b->pb_pre_versions[1]);
1484 __swab64s(&b->pb_pre_versions[2]);
1485 __swab64s(&b->pb_pre_versions[3]);
1486 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1487 /* While we need to maintain compatibility between
1488 * clients and servers without ptlrpc_body_v2 (< 2.3)
1489 * do not swab any fields beyond pb_jobid, as we are
1490 * using this swab function for both ptlrpc_body
1491 * and ptlrpc_body_v2. */
1492 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1494 EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
1496 void lustre_swab_connect(struct obd_connect_data *ocd)
1498 __swab64s(&ocd->ocd_connect_flags);
1499 __swab32s(&ocd->ocd_version);
1500 __swab32s(&ocd->ocd_grant);
1501 __swab64s(&ocd->ocd_ibits_known);
1502 __swab32s(&ocd->ocd_index);
1503 __swab32s(&ocd->ocd_brw_size);
1504 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1505 * they are 8-byte values */
1506 __swab16s(&ocd->ocd_grant_extent);
1507 __swab32s(&ocd->ocd_unused);
1508 __swab64s(&ocd->ocd_transno);
1509 __swab32s(&ocd->ocd_group);
1510 __swab32s(&ocd->ocd_cksum_types);
1511 __swab32s(&ocd->ocd_instance);
1512 /* Fields after ocd_cksum_types are only accessible by the receiver
1513 * if the corresponding flag in ocd_connect_flags is set. Accessing
1514 * any field after ocd_maxbytes on the receiver without a valid flag
1515 * may result in out-of-bound memory access and kernel oops. */
1516 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1517 __swab32s(&ocd->ocd_max_easize);
1518 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1519 __swab64s(&ocd->ocd_maxbytes);
1520 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1521 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1522 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1523 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1524 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1525 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1526 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1527 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1528 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1529 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1530 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1531 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1532 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1533 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1534 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1537 static void lustre_swab_obdo(struct obdo *o)
1539 __swab64s(&o->o_valid);
1540 lustre_swab_ost_id(&o->o_oi);
1541 __swab64s(&o->o_parent_seq);
1542 __swab64s(&o->o_size);
1543 __swab64s(&o->o_mtime);
1544 __swab64s(&o->o_atime);
1545 __swab64s(&o->o_ctime);
1546 __swab64s(&o->o_blocks);
1547 __swab64s(&o->o_grant);
1548 __swab32s(&o->o_blksize);
1549 __swab32s(&o->o_mode);
1550 __swab32s(&o->o_uid);
1551 __swab32s(&o->o_gid);
1552 __swab32s(&o->o_flags);
1553 __swab32s(&o->o_nlink);
1554 __swab32s(&o->o_parent_oid);
1555 __swab32s(&o->o_misc);
1556 __swab64s(&o->o_ioepoch);
1557 __swab32s(&o->o_stripe_idx);
1558 __swab32s(&o->o_parent_ver);
1559 /* o_handle is opaque */
1560 /* o_lcookie is swabbed elsewhere */
1561 __swab32s(&o->o_uid_h);
1562 __swab32s(&o->o_gid_h);
1563 __swab64s(&o->o_data_version);
1564 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1565 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1566 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1570 void lustre_swab_obd_statfs(struct obd_statfs *os)
1572 __swab64s(&os->os_type);
1573 __swab64s(&os->os_blocks);
1574 __swab64s(&os->os_bfree);
1575 __swab64s(&os->os_bavail);
1576 __swab64s(&os->os_files);
1577 __swab64s(&os->os_ffree);
1578 /* no need to swab os_fsid */
1579 __swab32s(&os->os_bsize);
1580 __swab32s(&os->os_namelen);
1581 __swab64s(&os->os_maxbytes);
1582 __swab32s(&os->os_state);
1583 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1584 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1585 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1586 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1587 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1588 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1589 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1590 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1591 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1593 EXPORT_SYMBOL(lustre_swab_obd_statfs);
1595 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1597 lustre_swab_ost_id(&ioo->ioo_oid);
1598 __swab32s(&ioo->ioo_max_brw);
1599 __swab32s(&ioo->ioo_bufcnt);
1601 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
1603 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1605 __swab64s(&nbr->offset);
1606 __swab32s(&nbr->len);
1607 __swab32s(&nbr->flags);
1609 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
1611 void lustre_swab_ost_body(struct ost_body *b)
1613 lustre_swab_obdo(&b->oa);
1615 EXPORT_SYMBOL(lustre_swab_ost_body);
1617 void lustre_swab_ost_last_id(u64 *id)
1621 EXPORT_SYMBOL(lustre_swab_ost_last_id);
1623 void lustre_swab_generic_32s(__u32 *val)
1627 EXPORT_SYMBOL(lustre_swab_generic_32s);
1629 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1631 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1632 __swab64s(&desc->lquota_desc.gl_flags);
1633 __swab64s(&desc->lquota_desc.gl_ver);
1634 __swab64s(&desc->lquota_desc.gl_hardlimit);
1635 __swab64s(&desc->lquota_desc.gl_softlimit);
1636 __swab64s(&desc->lquota_desc.gl_time);
1637 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1640 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1642 __swab64s(&lvb->lvb_size);
1643 __swab64s(&lvb->lvb_mtime);
1644 __swab64s(&lvb->lvb_atime);
1645 __swab64s(&lvb->lvb_ctime);
1646 __swab64s(&lvb->lvb_blocks);
1648 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1650 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1652 __swab64s(&lvb->lvb_size);
1653 __swab64s(&lvb->lvb_mtime);
1654 __swab64s(&lvb->lvb_atime);
1655 __swab64s(&lvb->lvb_ctime);
1656 __swab64s(&lvb->lvb_blocks);
1657 __swab32s(&lvb->lvb_mtime_ns);
1658 __swab32s(&lvb->lvb_atime_ns);
1659 __swab32s(&lvb->lvb_ctime_ns);
1660 __swab32s(&lvb->lvb_padding);
1662 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1664 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1666 __swab64s(&lvb->lvb_flags);
1667 __swab64s(&lvb->lvb_id_may_rel);
1668 __swab64s(&lvb->lvb_id_rel);
1669 __swab64s(&lvb->lvb_id_qunit);
1670 __swab64s(&lvb->lvb_pad1);
1672 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1674 void lustre_swab_mdt_body(struct mdt_body *b)
1676 lustre_swab_lu_fid(&b->fid1);
1677 lustre_swab_lu_fid(&b->fid2);
1678 /* handle is opaque */
1679 __swab64s(&b->valid);
1680 __swab64s(&b->size);
1681 __swab64s(&b->mtime);
1682 __swab64s(&b->atime);
1683 __swab64s(&b->ctime);
1684 __swab64s(&b->blocks);
1685 __swab64s(&b->ioepoch);
1686 __swab64s(&b->t_state);
1687 __swab32s(&b->fsuid);
1688 __swab32s(&b->fsgid);
1689 __swab32s(&b->capability);
1690 __swab32s(&b->mode);
1693 __swab32s(&b->flags);
1694 __swab32s(&b->rdev);
1695 __swab32s(&b->nlink);
1696 CLASSERT(offsetof(typeof(*b), unused2) != 0);
1697 __swab32s(&b->suppgid);
1698 __swab32s(&b->eadatasize);
1699 __swab32s(&b->aclsize);
1700 __swab32s(&b->max_mdsize);
1701 __swab32s(&b->max_cookiesize);
1702 __swab32s(&b->uid_h);
1703 __swab32s(&b->gid_h);
1704 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1706 EXPORT_SYMBOL(lustre_swab_mdt_body);
1708 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1710 /* handle is opaque */
1711 __swab64s(&b->ioepoch);
1712 __swab32s(&b->flags);
1713 CLASSERT(offsetof(typeof(*b), padding) != 0);
1715 EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
1717 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1721 __swab32s(&mti->mti_lustre_ver);
1722 __swab32s(&mti->mti_stripe_index);
1723 __swab32s(&mti->mti_config_ver);
1724 __swab32s(&mti->mti_flags);
1725 __swab32s(&mti->mti_instance);
1726 __swab32s(&mti->mti_nid_count);
1727 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1728 for (i = 0; i < MTI_NIDS_MAX; i++)
1729 __swab64s(&mti->mti_nids[i]);
1731 EXPORT_SYMBOL(lustre_swab_mgs_target_info);
1733 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1737 __swab64s(&entry->mne_version);
1738 __swab32s(&entry->mne_instance);
1739 __swab32s(&entry->mne_index);
1740 __swab32s(&entry->mne_length);
1742 /* mne_nid_(count|type) must be one byte size because we're gonna
1743 * access it w/o swapping. */
1744 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1745 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1747 /* remove this assertion if ipv6 is supported. */
1748 LASSERT(entry->mne_nid_type == 0);
1749 for (i = 0; i < entry->mne_nid_count; i++) {
1750 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1751 __swab64s(&entry->u.nids[i]);
1754 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1756 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1758 __swab64s(&body->mcb_offset);
1759 __swab32s(&body->mcb_units);
1760 __swab16s(&body->mcb_type);
1762 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1764 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1766 __swab64s(&body->mcr_offset);
1767 __swab64s(&body->mcr_size);
1769 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1771 static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i)
1773 __swab64s(&i->dqi_bgrace);
1774 __swab64s(&i->dqi_igrace);
1775 __swab32s(&i->dqi_flags);
1776 __swab32s(&i->dqi_valid);
1779 static void lustre_swab_obd_dqblk(struct obd_dqblk *b)
1781 __swab64s(&b->dqb_ihardlimit);
1782 __swab64s(&b->dqb_isoftlimit);
1783 __swab64s(&b->dqb_curinodes);
1784 __swab64s(&b->dqb_bhardlimit);
1785 __swab64s(&b->dqb_bsoftlimit);
1786 __swab64s(&b->dqb_curspace);
1787 __swab64s(&b->dqb_btime);
1788 __swab64s(&b->dqb_itime);
1789 __swab32s(&b->dqb_valid);
1790 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1793 void lustre_swab_obd_quotactl(struct obd_quotactl *q)
1795 __swab32s(&q->qc_cmd);
1796 __swab32s(&q->qc_type);
1797 __swab32s(&q->qc_id);
1798 __swab32s(&q->qc_stat);
1799 lustre_swab_obd_dqinfo(&q->qc_dqinfo);
1800 lustre_swab_obd_dqblk(&q->qc_dqblk);
1802 EXPORT_SYMBOL(lustre_swab_obd_quotactl);
1804 void lustre_swab_mdt_remote_perm(struct mdt_remote_perm *p)
1806 __swab32s(&p->rp_uid);
1807 __swab32s(&p->rp_gid);
1808 __swab32s(&p->rp_fsuid);
1809 __swab32s(&p->rp_fsuid_h);
1810 __swab32s(&p->rp_fsgid);
1811 __swab32s(&p->rp_fsgid_h);
1812 __swab32s(&p->rp_access_perm);
1813 __swab32s(&p->rp_padding);
1815 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
1817 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1819 lustre_swab_lu_fid(&gf->gf_fid);
1820 __swab64s(&gf->gf_recno);
1821 __swab32s(&gf->gf_linkno);
1822 __swab32s(&gf->gf_pathlen);
1824 EXPORT_SYMBOL(lustre_swab_fid2path);
1826 static void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1828 __swab64s(&fm_extent->fe_logical);
1829 __swab64s(&fm_extent->fe_physical);
1830 __swab64s(&fm_extent->fe_length);
1831 __swab32s(&fm_extent->fe_flags);
1832 __swab32s(&fm_extent->fe_device);
1835 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1839 __swab64s(&fiemap->fm_start);
1840 __swab64s(&fiemap->fm_length);
1841 __swab32s(&fiemap->fm_flags);
1842 __swab32s(&fiemap->fm_mapped_extents);
1843 __swab32s(&fiemap->fm_extent_count);
1844 __swab32s(&fiemap->fm_reserved);
1846 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1847 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1849 EXPORT_SYMBOL(lustre_swab_fiemap);
1851 void lustre_swab_idx_info(struct idx_info *ii)
1853 __swab32s(&ii->ii_magic);
1854 __swab32s(&ii->ii_flags);
1855 __swab16s(&ii->ii_count);
1856 __swab32s(&ii->ii_attrs);
1857 lustre_swab_lu_fid(&ii->ii_fid);
1858 __swab64s(&ii->ii_version);
1859 __swab64s(&ii->ii_hash_start);
1860 __swab64s(&ii->ii_hash_end);
1861 __swab16s(&ii->ii_keysize);
1862 __swab16s(&ii->ii_recsize);
1865 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1867 __swab32s(&rr->rr_opcode);
1868 __swab32s(&rr->rr_cap);
1869 __swab32s(&rr->rr_fsuid);
1870 /* rr_fsuid_h is unused */
1871 __swab32s(&rr->rr_fsgid);
1872 /* rr_fsgid_h is unused */
1873 __swab32s(&rr->rr_suppgid1);
1874 /* rr_suppgid1_h is unused */
1875 __swab32s(&rr->rr_suppgid2);
1876 /* rr_suppgid2_h is unused */
1877 lustre_swab_lu_fid(&rr->rr_fid1);
1878 lustre_swab_lu_fid(&rr->rr_fid2);
1879 __swab64s(&rr->rr_mtime);
1880 __swab64s(&rr->rr_atime);
1881 __swab64s(&rr->rr_ctime);
1882 __swab64s(&rr->rr_size);
1883 __swab64s(&rr->rr_blocks);
1884 __swab32s(&rr->rr_bias);
1885 __swab32s(&rr->rr_mode);
1886 __swab32s(&rr->rr_flags);
1887 __swab32s(&rr->rr_flags_h);
1888 __swab32s(&rr->rr_umask);
1890 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1892 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
1894 void lustre_swab_lov_desc(struct lov_desc *ld)
1896 __swab32s(&ld->ld_tgt_count);
1897 __swab32s(&ld->ld_active_tgt_count);
1898 __swab32s(&ld->ld_default_stripe_count);
1899 __swab32s(&ld->ld_pattern);
1900 __swab64s(&ld->ld_default_stripe_size);
1901 __swab64s(&ld->ld_default_stripe_offset);
1902 __swab32s(&ld->ld_qos_maxage);
1903 /* uuid endian insensitive */
1905 EXPORT_SYMBOL(lustre_swab_lov_desc);
1907 static void print_lum(struct lov_user_md *lum)
1909 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
1910 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
1911 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
1912 CDEBUG(D_OTHER, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
1913 CDEBUG(D_OTHER, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
1914 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
1915 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
1916 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
1917 lum->lmm_stripe_offset);
1920 static void lustre_swab_lmm_oi(struct ost_id *oi)
1922 __swab64s(&oi->oi.oi_id);
1923 __swab64s(&oi->oi.oi_seq);
1926 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
1928 __swab32s(&lum->lmm_magic);
1929 __swab32s(&lum->lmm_pattern);
1930 lustre_swab_lmm_oi(&lum->lmm_oi);
1931 __swab32s(&lum->lmm_stripe_size);
1932 __swab16s(&lum->lmm_stripe_count);
1933 __swab16s(&lum->lmm_stripe_offset);
1937 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
1939 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
1940 lustre_swab_lov_user_md_common(lum);
1942 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
1944 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
1946 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
1947 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
1948 /* lmm_pool_name nothing to do with char */
1950 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
1952 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
1954 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
1955 __swab32s(&lmm->lmm_magic);
1956 __swab32s(&lmm->lmm_pattern);
1957 lustre_swab_lmm_oi(&lmm->lmm_oi);
1958 __swab32s(&lmm->lmm_stripe_size);
1959 __swab16s(&lmm->lmm_stripe_count);
1960 __swab16s(&lmm->lmm_layout_gen);
1962 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
1964 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
1969 for (i = 0; i < stripe_count; i++) {
1970 lustre_swab_ost_id(&(lod[i].l_ost_oi));
1971 __swab32s(&(lod[i].l_ost_gen));
1972 __swab32s(&(lod[i].l_ost_idx));
1975 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
1977 static void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
1981 for (i = 0; i < RES_NAME_SIZE; i++)
1982 __swab64s(&id->name[i]);
1985 static void lustre_swab_ldlm_policy_data(ldlm_wire_policy_data_t *d)
1987 /* the lock data is a union and the first two fields are always an
1988 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
1989 * data the same way. */
1990 __swab64s(&d->l_extent.start);
1991 __swab64s(&d->l_extent.end);
1992 __swab64s(&d->l_extent.gid);
1993 __swab64s(&d->l_flock.lfw_owner);
1994 __swab32s(&d->l_flock.lfw_pid);
1997 void lustre_swab_ldlm_intent(struct ldlm_intent *i)
2001 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
2003 static void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2005 __swab32s(&r->lr_type);
2006 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2007 lustre_swab_ldlm_res_id(&r->lr_name);
2010 static void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
2012 lustre_swab_ldlm_resource_desc(&l->l_resource);
2013 __swab32s(&l->l_req_mode);
2014 __swab32s(&l->l_granted_mode);
2015 lustre_swab_ldlm_policy_data(&l->l_policy_data);
2018 void lustre_swab_ldlm_request(struct ldlm_request *rq)
2020 __swab32s(&rq->lock_flags);
2021 lustre_swab_ldlm_lock_desc(&rq->lock_desc);
2022 __swab32s(&rq->lock_count);
2023 /* lock_handle[] opaque */
2025 EXPORT_SYMBOL(lustre_swab_ldlm_request);
2027 void lustre_swab_ldlm_reply(struct ldlm_reply *r)
2029 __swab32s(&r->lock_flags);
2030 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2031 lustre_swab_ldlm_lock_desc(&r->lock_desc);
2032 /* lock_handle opaque */
2033 __swab64s(&r->lock_policy_res1);
2034 __swab64s(&r->lock_policy_res2);
2036 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
2038 void lustre_swab_quota_body(struct quota_body *b)
2040 lustre_swab_lu_fid(&b->qb_fid);
2041 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2042 __swab32s(&b->qb_flags);
2043 __swab64s(&b->qb_count);
2044 __swab64s(&b->qb_usage);
2045 __swab64s(&b->qb_slv_ver);
2048 /* Dump functions */
2049 void dump_ioo(struct obd_ioobj *ioo)
2052 "obd_ioobj: ioo_oid=" DOSTID ", ioo_max_brw=%#x, ioo_bufct=%d\n",
2053 POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2056 EXPORT_SYMBOL(dump_ioo);
2058 void dump_rniobuf(struct niobuf_remote *nb)
2060 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2061 nb->offset, nb->len, nb->flags);
2063 EXPORT_SYMBOL(dump_rniobuf);
2065 static void dump_obdo(struct obdo *oa)
2067 __u32 valid = oa->o_valid;
2069 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2070 if (valid & OBD_MD_FLID)
2071 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2072 if (valid & OBD_MD_FLFID)
2073 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2075 if (valid & OBD_MD_FLSIZE)
2076 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2077 if (valid & OBD_MD_FLMTIME)
2078 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2079 if (valid & OBD_MD_FLATIME)
2080 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2081 if (valid & OBD_MD_FLCTIME)
2082 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2083 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2084 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2085 if (valid & OBD_MD_FLGRANT)
2086 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2087 if (valid & OBD_MD_FLBLKSZ)
2088 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2089 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2090 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2091 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2092 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2093 if (valid & OBD_MD_FLUID)
2094 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2095 if (valid & OBD_MD_FLUID)
2096 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2097 if (valid & OBD_MD_FLGID)
2098 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2099 if (valid & OBD_MD_FLGID)
2100 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2101 if (valid & OBD_MD_FLFLAGS)
2102 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2103 if (valid & OBD_MD_FLNLINK)
2104 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2105 else if (valid & OBD_MD_FLCKSUM)
2106 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2108 if (valid & OBD_MD_FLGENER)
2109 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2111 if (valid & OBD_MD_FLEPOCH)
2112 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = %lld\n",
2114 if (valid & OBD_MD_FLFID) {
2115 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2117 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2120 if (valid & OBD_MD_FLHANDLE)
2121 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2122 oa->o_handle.cookie);
2123 if (valid & OBD_MD_FLCOOKIE)
2124 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = (llog_cookie dumping not yet implemented)\n");
2127 void dump_ost_body(struct ost_body *ob)
2131 EXPORT_SYMBOL(dump_ost_body);
2133 void dump_rcs(__u32 *rc)
2135 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2137 EXPORT_SYMBOL(dump_rcs);
2139 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2141 LASSERT(req->rq_reqmsg);
2143 switch (req->rq_reqmsg->lm_magic) {
2144 case LUSTRE_MSG_MAGIC_V2:
2145 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2147 CERROR("bad lustre msg magic: %#08X\n",
2148 req->rq_reqmsg->lm_magic);
2153 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2155 LASSERT(req->rq_repmsg);
2157 switch (req->rq_repmsg->lm_magic) {
2158 case LUSTRE_MSG_MAGIC_V2:
2159 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2161 /* uninitialized yet */
2166 void _debug_req(struct ptlrpc_request *req,
2167 struct libcfs_debug_msg_data *msgdata,
2168 const char *fmt, ...)
2170 int req_ok = req->rq_reqmsg != NULL;
2171 int rep_ok = req->rq_repmsg != NULL;
2172 lnet_nid_t nid = LNET_NID_ANY;
2175 if (ptlrpc_req_need_swab(req)) {
2176 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2177 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2180 if (req->rq_import && req->rq_import->imp_connection)
2181 nid = req->rq_import->imp_connection->c_peer.nid;
2182 else if (req->rq_export && req->rq_export->exp_connection)
2183 nid = req->rq_export->exp_connection->c_peer.nid;
2185 va_start(args, fmt);
2186 libcfs_debug_vmsg2(msgdata, fmt, args,
2187 " 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\n",
2188 req, req->rq_xid, req->rq_transno,
2189 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2190 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2192 req->rq_import->imp_obd->obd_name :
2194 req->rq_export->exp_client_uuid.uuid :
2196 libcfs_nid2str(nid),
2197 req->rq_request_portal, req->rq_reply_portal,
2198 req->rq_reqlen, req->rq_replen,
2199 req->rq_early_count, (s64)req->rq_timedout,
2200 (s64)req->rq_deadline,
2201 atomic_read(&req->rq_refcount),
2202 DEBUG_REQ_FLAGS(req),
2203 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2204 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2206 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2209 EXPORT_SYMBOL(_debug_req);
2211 void lustre_swab_lustre_capa(struct lustre_capa *c)
2213 lustre_swab_lu_fid(&c->lc_fid);
2214 __swab64s(&c->lc_opc);
2215 __swab64s(&c->lc_uid);
2216 __swab64s(&c->lc_gid);
2217 __swab32s(&c->lc_flags);
2218 __swab32s(&c->lc_keyid);
2219 __swab32s(&c->lc_timeout);
2220 __swab32s(&c->lc_expiry);
2222 EXPORT_SYMBOL(lustre_swab_lustre_capa);
2224 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2226 __swab32s(&state->hus_states);
2227 __swab32s(&state->hus_archive_id);
2229 EXPORT_SYMBOL(lustre_swab_hsm_user_state);
2231 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2233 __swab32s(&hss->hss_valid);
2234 __swab64s(&hss->hss_setmask);
2235 __swab64s(&hss->hss_clearmask);
2236 __swab32s(&hss->hss_archive_id);
2238 EXPORT_SYMBOL(lustre_swab_hsm_state_set);
2240 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2242 __swab64s(&extent->offset);
2243 __swab64s(&extent->length);
2246 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2248 __swab32s(&action->hca_state);
2249 __swab32s(&action->hca_action);
2250 lustre_swab_hsm_extent(&action->hca_location);
2252 EXPORT_SYMBOL(lustre_swab_hsm_current_action);
2254 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2256 lustre_swab_lu_fid(&hui->hui_fid);
2257 lustre_swab_hsm_extent(&hui->hui_extent);
2259 EXPORT_SYMBOL(lustre_swab_hsm_user_item);
2261 void lustre_swab_layout_intent(struct layout_intent *li)
2263 __swab32s(&li->li_opc);
2264 __swab32s(&li->li_flags);
2265 __swab64s(&li->li_start);
2266 __swab64s(&li->li_end);
2268 EXPORT_SYMBOL(lustre_swab_layout_intent);
2270 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2272 lustre_swab_lu_fid(&hpk->hpk_fid);
2273 __swab64s(&hpk->hpk_cookie);
2274 __swab64s(&hpk->hpk_extent.offset);
2275 __swab64s(&hpk->hpk_extent.length);
2276 __swab16s(&hpk->hpk_flags);
2277 __swab16s(&hpk->hpk_errval);
2279 EXPORT_SYMBOL(lustre_swab_hsm_progress_kernel);
2281 void lustre_swab_hsm_request(struct hsm_request *hr)
2283 __swab32s(&hr->hr_action);
2284 __swab32s(&hr->hr_archive_id);
2285 __swab64s(&hr->hr_flags);
2286 __swab32s(&hr->hr_itemcount);
2287 __swab32s(&hr->hr_data_len);
2289 EXPORT_SYMBOL(lustre_swab_hsm_request);
2291 void lustre_swab_update_buf(struct update_buf *ub)
2293 __swab32s(&ub->ub_magic);
2294 __swab32s(&ub->ub_count);
2296 EXPORT_SYMBOL(lustre_swab_update_buf);
2298 void lustre_swab_update_reply_buf(struct update_reply *ur)
2302 __swab32s(&ur->ur_version);
2303 __swab32s(&ur->ur_count);
2304 for (i = 0; i < ur->ur_count; i++)
2305 __swab32s(&ur->ur_lens[i]);
2307 EXPORT_SYMBOL(lustre_swab_update_reply_buf);
2309 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2311 __swab64s(&msl->msl_flags);
2313 EXPORT_SYMBOL(lustre_swab_swap_layouts);
2315 void lustre_swab_close_data(struct close_data *cd)
2317 lustre_swab_lu_fid(&cd->cd_fid);
2318 __swab64s(&cd->cd_data_version);
2320 EXPORT_SYMBOL(lustre_swab_close_data);