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, 2013, 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 <libcfs/libcfs.h>
49 #include <obd_support.h>
50 #include <obd_class.h>
51 #include <lustre_net.h>
52 #include <obd_cksum.h>
53 #include <lustre/ll_fiemap.h>
55 static inline int lustre_msg_hdr_size_v2(int count)
57 return cfs_size_round(offsetof(struct lustre_msg_v2,
61 int lustre_msg_hdr_size(__u32 magic, int count)
64 case LUSTRE_MSG_MAGIC_V2:
65 return lustre_msg_hdr_size_v2(count);
67 LASSERTF(0, "incorrect message magic: %08x\n", magic);
71 EXPORT_SYMBOL(lustre_msg_hdr_size);
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);
81 EXPORT_SYMBOL(ptlrpc_buf_set_swabbed);
83 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
87 return (ptlrpc_req_need_swab(req) &&
88 !lustre_req_swabbed(req, index));
90 return (ptlrpc_rep_need_swab(req) &&
91 !lustre_rep_swabbed(req, index));
93 EXPORT_SYMBOL(ptlrpc_buf_need_swab);
95 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
98 __u32 ver = lustre_msg_get_version(msg);
99 return (ver & LUSTRE_VERSION_MASK) != version;
102 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
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);
115 EXPORT_SYMBOL(lustre_msg_check_version);
117 /* early reply size */
118 int lustre_msg_early_size()
122 /* Always reply old ptlrpc_body_v2 to keep interoprability
123 * with the old client (< 2.3) which doesn't have pb_jobid
124 * in the ptlrpc_body.
126 * XXX Remove this whenever we dorp interoprability with such
129 __u32 pblen = sizeof(struct ptlrpc_body_v2);
130 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
134 EXPORT_SYMBOL(lustre_msg_early_size);
136 int lustre_msg_size_v2(int count, __u32 *lengths)
141 size = lustre_msg_hdr_size_v2(count);
142 for (i = 0; i < count; i++)
143 size += cfs_size_round(lengths[i]);
147 EXPORT_SYMBOL(lustre_msg_size_v2);
149 /* This returns the size of the buffer that is required to hold a lustre_msg
150 * with the given sub-buffer lengths.
151 * NOTE: this should only be used for NEW requests, and should always be
152 * in the form of a v2 request. If this is a connection to a v1
153 * target then the first buffer will be stripped because the ptlrpc
154 * data is part of the lustre_msg_v1 header. b=14043 */
155 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
157 __u32 size[] = { sizeof(struct ptlrpc_body) };
165 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
168 case LUSTRE_MSG_MAGIC_V2:
169 return lustre_msg_size_v2(count, lens);
171 LASSERTF(0, "incorrect message magic: %08x\n", magic);
175 EXPORT_SYMBOL(lustre_msg_size);
177 /* This is used to determine the size of a buffer that was already packed
178 * and will correctly handle the different message formats. */
179 int lustre_packed_msg_size(struct lustre_msg *msg)
181 switch (msg->lm_magic) {
182 case LUSTRE_MSG_MAGIC_V2:
183 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
185 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
189 EXPORT_SYMBOL(lustre_packed_msg_size);
191 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
197 msg->lm_bufcount = count;
198 /* XXX: lm_secflvr uninitialized here */
199 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
201 for (i = 0; i < count; i++)
202 msg->lm_buflens[i] = lens[i];
207 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
208 for (i = 0; i < count; i++) {
210 LOGL(tmp, lens[i], ptr);
213 EXPORT_SYMBOL(lustre_init_msg_v2);
215 static int lustre_pack_request_v2(struct ptlrpc_request *req,
216 int count, __u32 *lens, char **bufs)
220 reqlen = lustre_msg_size_v2(count, lens);
222 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
226 req->rq_reqlen = reqlen;
228 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
229 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
233 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
234 __u32 *lens, char **bufs)
236 __u32 size[] = { sizeof(struct ptlrpc_body) };
244 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
246 /* only use new format, we don't need to be compatible with 1.4 */
247 magic = LUSTRE_MSG_MAGIC_V2;
250 case LUSTRE_MSG_MAGIC_V2:
251 return lustre_pack_request_v2(req, count, lens, bufs);
253 LASSERTF(0, "incorrect message magic: %08x\n", magic);
257 EXPORT_SYMBOL(lustre_pack_request);
260 struct list_head ptlrpc_rs_debug_lru =
261 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
262 spinlock_t ptlrpc_rs_debug_lock;
264 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
266 spin_lock(&ptlrpc_rs_debug_lock); \
267 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
268 spin_unlock(&ptlrpc_rs_debug_lock); \
271 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
273 spin_lock(&ptlrpc_rs_debug_lock); \
274 list_del(&(rs)->rs_debug_list); \
275 spin_unlock(&ptlrpc_rs_debug_lock); \
278 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
279 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
282 struct ptlrpc_reply_state *
283 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
285 struct ptlrpc_reply_state *rs = NULL;
287 spin_lock(&svcpt->scp_rep_lock);
289 /* See if we have anything in a pool, and wait if nothing */
290 while (list_empty(&svcpt->scp_rep_idle)) {
291 struct l_wait_info lwi;
294 spin_unlock(&svcpt->scp_rep_lock);
295 /* If we cannot get anything for some long time, we better
296 * bail out instead of waiting infinitely */
297 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
298 rc = l_wait_event(svcpt->scp_rep_waitq,
299 !list_empty(&svcpt->scp_rep_idle), &lwi);
302 spin_lock(&svcpt->scp_rep_lock);
305 rs = list_entry(svcpt->scp_rep_idle.next,
306 struct ptlrpc_reply_state, rs_list);
307 list_del(&rs->rs_list);
309 spin_unlock(&svcpt->scp_rep_lock);
311 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
312 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
313 rs->rs_svcpt = svcpt;
319 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
321 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
323 spin_lock(&svcpt->scp_rep_lock);
324 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
325 spin_unlock(&svcpt->scp_rep_lock);
326 wake_up(&svcpt->scp_rep_waitq);
329 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
330 __u32 *lens, char **bufs, int flags)
332 struct ptlrpc_reply_state *rs;
336 LASSERT(req->rq_reply_state == NULL);
338 if ((flags & LPRFL_EARLY_REPLY) == 0) {
339 spin_lock(&req->rq_lock);
340 req->rq_packed_final = 1;
341 spin_unlock(&req->rq_lock);
344 msg_len = lustre_msg_size_v2(count, lens);
345 rc = sptlrpc_svc_alloc_rs(req, msg_len);
349 rs = req->rq_reply_state;
350 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
351 rs->rs_cb_id.cbid_fn = reply_out_callback;
352 rs->rs_cb_id.cbid_arg = rs;
353 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
354 INIT_LIST_HEAD(&rs->rs_exp_list);
355 INIT_LIST_HEAD(&rs->rs_obd_list);
356 INIT_LIST_HEAD(&rs->rs_list);
357 spin_lock_init(&rs->rs_lock);
359 req->rq_replen = msg_len;
360 req->rq_reply_state = rs;
361 req->rq_repmsg = rs->rs_msg;
363 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
364 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
366 PTLRPC_RS_DEBUG_LRU_ADD(rs);
370 EXPORT_SYMBOL(lustre_pack_reply_v2);
372 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
373 char **bufs, int flags)
376 __u32 size[] = { sizeof(struct ptlrpc_body) };
384 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
386 switch (req->rq_reqmsg->lm_magic) {
387 case LUSTRE_MSG_MAGIC_V2:
388 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
391 LASSERTF(0, "incorrect message magic: %08x\n",
392 req->rq_reqmsg->lm_magic);
396 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
397 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
400 EXPORT_SYMBOL(lustre_pack_reply_flags);
402 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
405 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
407 EXPORT_SYMBOL(lustre_pack_reply);
409 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
411 int i, offset, buflen, bufcount;
416 bufcount = m->lm_bufcount;
417 if (unlikely(n >= bufcount)) {
418 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
423 buflen = m->lm_buflens[n];
424 if (unlikely(buflen < min_size)) {
425 CERROR("msg %p buffer[%d] size %d too small "
426 "(required %d, opc=%d)\n", m, n, buflen, min_size,
427 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
431 offset = lustre_msg_hdr_size_v2(bufcount);
432 for (i = 0; i < n; i++)
433 offset += cfs_size_round(m->lm_buflens[i]);
435 return (char *)m + offset;
438 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
440 switch (m->lm_magic) {
441 case LUSTRE_MSG_MAGIC_V2:
442 return lustre_msg_buf_v2(m, n, min_size);
444 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
448 EXPORT_SYMBOL(lustre_msg_buf);
450 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
451 unsigned int newlen, int move_data)
453 char *tail = NULL, *newpos;
457 LASSERT(msg->lm_bufcount > segment);
458 LASSERT(msg->lm_buflens[segment] >= newlen);
460 if (msg->lm_buflens[segment] == newlen)
463 if (move_data && msg->lm_bufcount > segment + 1) {
464 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
465 for (n = segment + 1; n < msg->lm_bufcount; n++)
466 tail_len += cfs_size_round(msg->lm_buflens[n]);
469 msg->lm_buflens[segment] = newlen;
471 if (tail && tail_len) {
472 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
473 LASSERT(newpos <= tail);
475 memmove(newpos, tail, tail_len);
478 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
482 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
483 * we also move data forward from @segment + 1.
485 * if @newlen == 0, we remove the segment completely, but we still keep the
486 * totally bufcount the same to save possible data moving. this will leave a
487 * unused segment with size 0 at the tail, but that's ok.
489 * return new msg size after shrinking.
492 * + if any buffers higher than @segment has been filled in, must call shrink
493 * with non-zero @move_data.
494 * + caller should NOT keep pointers to msg buffers which higher than @segment
497 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
498 unsigned int newlen, int move_data)
500 switch (msg->lm_magic) {
501 case LUSTRE_MSG_MAGIC_V2:
502 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
504 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
507 EXPORT_SYMBOL(lustre_shrink_msg);
509 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
511 PTLRPC_RS_DEBUG_LRU_DEL(rs);
513 LASSERT(atomic_read(&rs->rs_refcount) == 0);
514 LASSERT(!rs->rs_difficult || rs->rs_handled);
515 LASSERT(!rs->rs_on_net);
516 LASSERT(!rs->rs_scheduled);
517 LASSERT(rs->rs_export == NULL);
518 LASSERT(rs->rs_nlocks == 0);
519 LASSERT(list_empty(&rs->rs_exp_list));
520 LASSERT(list_empty(&rs->rs_obd_list));
522 sptlrpc_svc_free_rs(rs);
524 EXPORT_SYMBOL(lustre_free_reply_state);
526 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
528 int swabbed, required_len, i;
530 /* Now we know the sender speaks my language. */
531 required_len = lustre_msg_hdr_size_v2(0);
532 if (len < required_len) {
533 /* can't even look inside the message */
534 CERROR("message length %d too small for lustre_msg\n", len);
538 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
541 __swab32s(&m->lm_magic);
542 __swab32s(&m->lm_bufcount);
543 __swab32s(&m->lm_secflvr);
544 __swab32s(&m->lm_repsize);
545 __swab32s(&m->lm_cksum);
546 __swab32s(&m->lm_flags);
547 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
548 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
551 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
552 if (len < required_len) {
553 /* didn't receive all the buffer lengths */
554 CERROR ("message length %d too small for %d buflens\n",
555 len, m->lm_bufcount);
559 for (i = 0; i < m->lm_bufcount; i++) {
561 __swab32s(&m->lm_buflens[i]);
562 required_len += cfs_size_round(m->lm_buflens[i]);
565 if (len < required_len) {
566 CERROR("len: %d, required_len %d\n", len, required_len);
567 CERROR("bufcount: %d\n", m->lm_bufcount);
568 for (i = 0; i < m->lm_bufcount; i++)
569 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
576 int __lustre_unpack_msg(struct lustre_msg *m, int len)
578 int required_len, rc;
581 /* We can provide a slightly better error log, if we check the
582 * message magic and version first. In the future, struct
583 * lustre_msg may grow, and we'd like to log a version mismatch,
584 * rather than a short message.
587 required_len = offsetof(struct lustre_msg, lm_magic) +
589 if (len < required_len) {
590 /* can't even look inside the message */
591 CERROR("message length %d too small for magic/version check\n",
596 rc = lustre_unpack_msg_v2(m, len);
600 EXPORT_SYMBOL(__lustre_unpack_msg);
602 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
605 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
607 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
612 EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
614 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
617 rc = __lustre_unpack_msg(req->rq_repmsg, len);
619 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
624 EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
626 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
627 const int inout, int offset)
629 struct ptlrpc_body *pb;
630 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
632 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
634 CERROR("error unpacking ptlrpc body\n");
637 if (ptlrpc_buf_need_swab(req, inout, offset)) {
638 lustre_swab_ptlrpc_body(pb);
639 ptlrpc_buf_set_swabbed(req, inout, offset);
642 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
643 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
648 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
653 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
655 switch (req->rq_reqmsg->lm_magic) {
656 case LUSTRE_MSG_MAGIC_V2:
657 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
659 CERROR("bad lustre msg magic: %08x\n",
660 req->rq_reqmsg->lm_magic);
665 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
667 switch (req->rq_repmsg->lm_magic) {
668 case LUSTRE_MSG_MAGIC_V2:
669 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
671 CERROR("bad lustre msg magic: %08x\n",
672 req->rq_repmsg->lm_magic);
677 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
679 if (n >= m->lm_bufcount)
682 return m->lm_buflens[n];
686 * lustre_msg_buflen - return the length of buffer \a n in message \a m
687 * \param m lustre_msg (request or reply) to look at
688 * \param n message index (base 0)
690 * returns zero for non-existent message indices
692 int lustre_msg_buflen(struct lustre_msg *m, int n)
694 switch (m->lm_magic) {
695 case LUSTRE_MSG_MAGIC_V2:
696 return lustre_msg_buflen_v2(m, n);
698 CERROR("incorrect message magic: %08x\n", m->lm_magic);
702 EXPORT_SYMBOL(lustre_msg_buflen);
705 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
707 if (n >= m->lm_bufcount)
710 m->lm_buflens[n] = len;
713 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
715 switch (m->lm_magic) {
716 case LUSTRE_MSG_MAGIC_V2:
717 lustre_msg_set_buflen_v2(m, n, len);
720 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
724 EXPORT_SYMBOL(lustre_msg_set_buflen);
726 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
727 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
728 int lustre_msg_bufcount(struct lustre_msg *m)
730 switch (m->lm_magic) {
731 case LUSTRE_MSG_MAGIC_V2:
732 return m->lm_bufcount;
734 CERROR("incorrect message magic: %08x\n", m->lm_magic);
738 EXPORT_SYMBOL(lustre_msg_bufcount);
740 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
742 /* max_len == 0 means the string should fill the buffer */
746 switch (m->lm_magic) {
747 case LUSTRE_MSG_MAGIC_V2:
748 str = lustre_msg_buf_v2(m, index, 0);
749 blen = lustre_msg_buflen_v2(m, index);
752 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
756 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
760 slen = strnlen(str, blen);
762 if (slen == blen) { /* not NULL terminated */
763 CERROR("can't unpack non-NULL terminated string in "
764 "msg %p buffer[%d] len %d\n", m, index, blen);
769 if (slen != blen - 1) {
770 CERROR("can't unpack short string in msg %p "
771 "buffer[%d] len %d: strlen %d\n",
772 m, index, blen, slen);
775 } else if (slen > max_len) {
776 CERROR("can't unpack oversized string in msg %p "
777 "buffer[%d] len %d strlen %d: max %d expected\n",
778 m, index, blen, slen, max_len);
784 EXPORT_SYMBOL(lustre_msg_string);
786 /* Wrap up the normal fixed length cases */
787 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
788 int min_size, void *swabber)
792 LASSERT(msg != NULL);
793 switch (msg->lm_magic) {
794 case LUSTRE_MSG_MAGIC_V2:
795 ptr = lustre_msg_buf_v2(msg, index, min_size);
798 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
802 ((void (*)(void *))swabber)(ptr);
807 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
809 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
810 sizeof(struct ptlrpc_body_v2));
813 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
815 switch (msg->lm_magic) {
816 case LUSTRE_MSG_MAGIC_V1:
817 case LUSTRE_MSG_MAGIC_V1_SWABBED:
819 case LUSTRE_MSG_MAGIC_V2:
820 /* already in host endian */
821 return msg->lm_flags;
823 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
827 EXPORT_SYMBOL(lustre_msghdr_get_flags);
829 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
831 switch (msg->lm_magic) {
832 case LUSTRE_MSG_MAGIC_V1:
834 case LUSTRE_MSG_MAGIC_V2:
835 msg->lm_flags = flags;
838 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
842 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
844 switch (msg->lm_magic) {
845 case LUSTRE_MSG_MAGIC_V2: {
846 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
848 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
854 /* flags might be printed in debug code while message
859 EXPORT_SYMBOL(lustre_msg_get_flags);
861 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
863 switch (msg->lm_magic) {
864 case LUSTRE_MSG_MAGIC_V2: {
865 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
866 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
867 pb->pb_flags |= flags;
871 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
874 EXPORT_SYMBOL(lustre_msg_add_flags);
876 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
878 switch (msg->lm_magic) {
879 case LUSTRE_MSG_MAGIC_V2: {
880 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
881 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
882 pb->pb_flags = flags;
886 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
889 EXPORT_SYMBOL(lustre_msg_set_flags);
891 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
893 switch (msg->lm_magic) {
894 case LUSTRE_MSG_MAGIC_V2: {
895 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
896 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
897 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
901 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
904 EXPORT_SYMBOL(lustre_msg_clear_flags);
906 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
908 switch (msg->lm_magic) {
909 case LUSTRE_MSG_MAGIC_V2: {
910 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
912 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
915 return pb->pb_op_flags;
921 EXPORT_SYMBOL(lustre_msg_get_op_flags);
923 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
925 switch (msg->lm_magic) {
926 case LUSTRE_MSG_MAGIC_V2: {
927 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
928 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
929 pb->pb_op_flags |= flags;
933 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
936 EXPORT_SYMBOL(lustre_msg_add_op_flags);
938 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
940 switch (msg->lm_magic) {
941 case LUSTRE_MSG_MAGIC_V2: {
942 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
943 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
944 pb->pb_op_flags |= flags;
948 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
951 EXPORT_SYMBOL(lustre_msg_set_op_flags);
953 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
955 switch (msg->lm_magic) {
956 case LUSTRE_MSG_MAGIC_V2: {
957 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
959 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
962 return &pb->pb_handle;
965 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
969 EXPORT_SYMBOL(lustre_msg_get_handle);
971 __u32 lustre_msg_get_type(struct lustre_msg *msg)
973 switch (msg->lm_magic) {
974 case LUSTRE_MSG_MAGIC_V2: {
975 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
977 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
978 return PTL_RPC_MSG_ERR;
983 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
984 return PTL_RPC_MSG_ERR;
987 EXPORT_SYMBOL(lustre_msg_get_type);
989 __u32 lustre_msg_get_version(struct lustre_msg *msg)
991 switch (msg->lm_magic) {
992 case LUSTRE_MSG_MAGIC_V2: {
993 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
995 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
998 return pb->pb_version;
1001 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1005 EXPORT_SYMBOL(lustre_msg_get_version);
1007 void lustre_msg_add_version(struct lustre_msg *msg, int version)
1009 switch (msg->lm_magic) {
1010 case LUSTRE_MSG_MAGIC_V2: {
1011 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1012 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1013 pb->pb_version |= version;
1017 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1020 EXPORT_SYMBOL(lustre_msg_add_version);
1022 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1024 switch (msg->lm_magic) {
1025 case LUSTRE_MSG_MAGIC_V2: {
1026 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1028 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1034 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1039 EXPORT_SYMBOL(lustre_msg_get_opc);
1041 __u64 lustre_msg_get_last_xid(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);
1047 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1050 return pb->pb_last_xid;
1053 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1057 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1059 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1061 switch (msg->lm_magic) {
1062 case LUSTRE_MSG_MAGIC_V2: {
1063 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1065 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1068 return pb->pb_last_committed;
1071 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1075 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1077 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1079 switch (msg->lm_magic) {
1080 case LUSTRE_MSG_MAGIC_V1:
1082 case LUSTRE_MSG_MAGIC_V2: {
1083 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1085 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1088 return pb->pb_pre_versions;
1091 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1095 EXPORT_SYMBOL(lustre_msg_get_versions);
1097 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1099 switch (msg->lm_magic) {
1100 case LUSTRE_MSG_MAGIC_V2: {
1101 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1103 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1106 return pb->pb_transno;
1109 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1113 EXPORT_SYMBOL(lustre_msg_get_transno);
1115 int lustre_msg_get_status(struct lustre_msg *msg)
1117 switch (msg->lm_magic) {
1118 case LUSTRE_MSG_MAGIC_V2: {
1119 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1121 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1124 return pb->pb_status;
1127 /* status might be printed in debug code while message
1132 EXPORT_SYMBOL(lustre_msg_get_status);
1134 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1136 switch (msg->lm_magic) {
1137 case LUSTRE_MSG_MAGIC_V2: {
1138 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1140 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1146 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1150 EXPORT_SYMBOL(lustre_msg_get_slv);
1153 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1155 switch (msg->lm_magic) {
1156 case LUSTRE_MSG_MAGIC_V2: {
1157 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1159 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1166 CERROR("invalid msg magic %x\n", msg->lm_magic);
1170 EXPORT_SYMBOL(lustre_msg_set_slv);
1172 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1174 switch (msg->lm_magic) {
1175 case LUSTRE_MSG_MAGIC_V2: {
1176 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1178 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1181 return pb->pb_limit;
1184 CERROR("invalid msg magic %x\n", msg->lm_magic);
1188 EXPORT_SYMBOL(lustre_msg_get_limit);
1191 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1193 switch (msg->lm_magic) {
1194 case LUSTRE_MSG_MAGIC_V2: {
1195 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1197 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1200 pb->pb_limit = limit;
1204 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1208 EXPORT_SYMBOL(lustre_msg_set_limit);
1210 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1212 switch (msg->lm_magic) {
1213 case LUSTRE_MSG_MAGIC_V2: {
1214 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1216 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1219 return pb->pb_conn_cnt;
1222 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1226 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1228 int lustre_msg_is_v1(struct lustre_msg *msg)
1230 switch (msg->lm_magic) {
1231 case LUSTRE_MSG_MAGIC_V1:
1232 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1238 EXPORT_SYMBOL(lustre_msg_is_v1);
1240 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1242 switch (msg->lm_magic) {
1243 case LUSTRE_MSG_MAGIC_V2:
1244 return msg->lm_magic;
1246 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1250 EXPORT_SYMBOL(lustre_msg_get_magic);
1252 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1254 switch (msg->lm_magic) {
1255 case LUSTRE_MSG_MAGIC_V1:
1256 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1258 case LUSTRE_MSG_MAGIC_V2: {
1259 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1261 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1265 return pb->pb_timeout;
1268 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1273 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1275 switch (msg->lm_magic) {
1276 case LUSTRE_MSG_MAGIC_V1:
1277 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1279 case LUSTRE_MSG_MAGIC_V2: {
1280 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1282 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1286 return pb->pb_service_time;
1289 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1294 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1296 switch (msg->lm_magic) {
1297 case LUSTRE_MSG_MAGIC_V1:
1298 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1300 case LUSTRE_MSG_MAGIC_V2: {
1301 struct ptlrpc_body *pb =
1302 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1303 sizeof(struct ptlrpc_body));
1307 return pb->pb_jobid;
1310 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1314 EXPORT_SYMBOL(lustre_msg_get_jobid);
1316 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1318 switch (msg->lm_magic) {
1319 case LUSTRE_MSG_MAGIC_V2:
1320 return msg->lm_cksum;
1322 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1327 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0)
1329 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1330 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1331 * more sense to compute the checksum on the full ptlrpc_body, regardless
1332 * of what size it is, but in order to keep interoperability with 1.8 we
1333 * can optionally also checksum only the first 88 bytes (caller decides). */
1334 # define ptlrpc_body_cksum_size_compat18 88
1336 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1338 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1341 switch (msg->lm_magic) {
1342 case LUSTRE_MSG_MAGIC_V2: {
1343 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1344 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0)
1345 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1346 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1348 __u32 len = lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1350 unsigned int hsize = 4;
1353 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1354 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1355 len, NULL, 0, (unsigned char *)&crc,
1360 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1365 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1367 switch (msg->lm_magic) {
1368 case LUSTRE_MSG_MAGIC_V2: {
1369 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1370 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1371 pb->pb_handle = *handle;
1375 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1378 EXPORT_SYMBOL(lustre_msg_set_handle);
1380 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1382 switch (msg->lm_magic) {
1383 case LUSTRE_MSG_MAGIC_V2: {
1384 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1385 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1390 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1393 EXPORT_SYMBOL(lustre_msg_set_type);
1395 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1397 switch (msg->lm_magic) {
1398 case LUSTRE_MSG_MAGIC_V2: {
1399 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1400 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1405 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1408 EXPORT_SYMBOL(lustre_msg_set_opc);
1410 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1412 switch (msg->lm_magic) {
1413 case LUSTRE_MSG_MAGIC_V2: {
1414 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1415 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1416 pb->pb_last_xid = last_xid;
1420 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1423 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1425 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1427 switch (msg->lm_magic) {
1428 case LUSTRE_MSG_MAGIC_V2: {
1429 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1430 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1431 pb->pb_last_committed = last_committed;
1435 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1438 EXPORT_SYMBOL(lustre_msg_set_last_committed);
1440 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1442 switch (msg->lm_magic) {
1443 case LUSTRE_MSG_MAGIC_V1:
1445 case LUSTRE_MSG_MAGIC_V2: {
1446 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1447 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1448 pb->pb_pre_versions[0] = versions[0];
1449 pb->pb_pre_versions[1] = versions[1];
1450 pb->pb_pre_versions[2] = versions[2];
1451 pb->pb_pre_versions[3] = versions[3];
1455 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1458 EXPORT_SYMBOL(lustre_msg_set_versions);
1460 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1462 switch (msg->lm_magic) {
1463 case LUSTRE_MSG_MAGIC_V2: {
1464 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1465 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1466 pb->pb_transno = transno;
1470 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1473 EXPORT_SYMBOL(lustre_msg_set_transno);
1475 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1477 switch (msg->lm_magic) {
1478 case LUSTRE_MSG_MAGIC_V2: {
1479 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1480 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1481 pb->pb_status = status;
1485 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1488 EXPORT_SYMBOL(lustre_msg_set_status);
1490 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1492 switch (msg->lm_magic) {
1493 case LUSTRE_MSG_MAGIC_V2: {
1494 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1495 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1496 pb->pb_conn_cnt = conn_cnt;
1500 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1503 EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
1505 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1507 switch (msg->lm_magic) {
1508 case LUSTRE_MSG_MAGIC_V1:
1510 case LUSTRE_MSG_MAGIC_V2: {
1511 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1512 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1513 pb->pb_timeout = timeout;
1517 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1521 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1523 switch (msg->lm_magic) {
1524 case LUSTRE_MSG_MAGIC_V1:
1526 case LUSTRE_MSG_MAGIC_V2: {
1527 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1528 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1529 pb->pb_service_time = service_time;
1533 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1537 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1539 switch (msg->lm_magic) {
1540 case LUSTRE_MSG_MAGIC_V1:
1542 case LUSTRE_MSG_MAGIC_V2: {
1543 __u32 opc = lustre_msg_get_opc(msg);
1544 struct ptlrpc_body *pb;
1546 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1547 * See the comment in ptlrpc_request_pack(). */
1548 if (!opc || opc == LDLM_BL_CALLBACK ||
1549 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1552 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1553 sizeof(struct ptlrpc_body));
1554 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1557 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1558 else if (pb->pb_jobid[0] == '\0')
1559 lustre_get_jobid(pb->pb_jobid);
1563 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1566 EXPORT_SYMBOL(lustre_msg_set_jobid);
1568 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1570 switch (msg->lm_magic) {
1571 case LUSTRE_MSG_MAGIC_V1:
1573 case LUSTRE_MSG_MAGIC_V2:
1574 msg->lm_cksum = cksum;
1577 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1582 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1584 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1586 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1587 req->rq_pill.rc_area[RCL_SERVER]);
1588 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1589 req->rq_reqmsg->lm_repsize = req->rq_replen;
1591 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1593 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1595 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1596 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1597 req->rq_reqmsg->lm_repsize = req->rq_replen;
1599 EXPORT_SYMBOL(ptlrpc_req_set_repsize);
1602 * Send a remote set_info_async.
1604 * This may go from client to server or server to client.
1606 int do_set_info_async(struct obd_import *imp,
1607 int opcode, int version,
1608 obd_count keylen, void *key,
1609 obd_count vallen, void *val,
1610 struct ptlrpc_request_set *set)
1612 struct ptlrpc_request *req;
1617 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1621 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1622 RCL_CLIENT, keylen);
1623 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1624 RCL_CLIENT, vallen);
1625 rc = ptlrpc_request_pack(req, version, opcode);
1627 ptlrpc_request_free(req);
1631 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1632 memcpy(tmp, key, keylen);
1633 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1634 memcpy(tmp, val, vallen);
1636 ptlrpc_request_set_replen(req);
1639 ptlrpc_set_add_req(set, req);
1640 ptlrpc_check_set(NULL, set);
1642 rc = ptlrpc_queue_wait(req);
1643 ptlrpc_req_finished(req);
1648 EXPORT_SYMBOL(do_set_info_async);
1650 /* byte flipping routines for all wire types declared in
1651 * lustre_idl.h implemented here.
1653 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1655 __swab32s (&b->pb_type);
1656 __swab32s (&b->pb_version);
1657 __swab32s (&b->pb_opc);
1658 __swab32s (&b->pb_status);
1659 __swab64s (&b->pb_last_xid);
1660 __swab64s (&b->pb_last_seen);
1661 __swab64s (&b->pb_last_committed);
1662 __swab64s (&b->pb_transno);
1663 __swab32s (&b->pb_flags);
1664 __swab32s (&b->pb_op_flags);
1665 __swab32s (&b->pb_conn_cnt);
1666 __swab32s (&b->pb_timeout);
1667 __swab32s (&b->pb_service_time);
1668 __swab32s (&b->pb_limit);
1669 __swab64s (&b->pb_slv);
1670 __swab64s (&b->pb_pre_versions[0]);
1671 __swab64s (&b->pb_pre_versions[1]);
1672 __swab64s (&b->pb_pre_versions[2]);
1673 __swab64s (&b->pb_pre_versions[3]);
1674 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1675 /* While we need to maintain compatibility between
1676 * clients and servers without ptlrpc_body_v2 (< 2.3)
1677 * do not swab any fields beyond pb_jobid, as we are
1678 * using this swab function for both ptlrpc_body
1679 * and ptlrpc_body_v2. */
1680 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1682 EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
1684 void lustre_swab_connect(struct obd_connect_data *ocd)
1686 __swab64s(&ocd->ocd_connect_flags);
1687 __swab32s(&ocd->ocd_version);
1688 __swab32s(&ocd->ocd_grant);
1689 __swab64s(&ocd->ocd_ibits_known);
1690 __swab32s(&ocd->ocd_index);
1691 __swab32s(&ocd->ocd_brw_size);
1692 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1693 * they are 8-byte values */
1694 __swab16s(&ocd->ocd_grant_extent);
1695 __swab32s(&ocd->ocd_unused);
1696 __swab64s(&ocd->ocd_transno);
1697 __swab32s(&ocd->ocd_group);
1698 __swab32s(&ocd->ocd_cksum_types);
1699 __swab32s(&ocd->ocd_instance);
1700 /* Fields after ocd_cksum_types are only accessible by the receiver
1701 * if the corresponding flag in ocd_connect_flags is set. Accessing
1702 * any field after ocd_maxbytes on the receiver without a valid flag
1703 * may result in out-of-bound memory access and kernel oops. */
1704 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1705 __swab32s(&ocd->ocd_max_easize);
1706 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1707 __swab64s(&ocd->ocd_maxbytes);
1708 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1709 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1710 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1711 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1712 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1713 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1714 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1715 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1716 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1717 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1718 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1719 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1720 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1721 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1722 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1725 void lustre_swab_obdo (struct obdo *o)
1727 __swab64s (&o->o_valid);
1728 lustre_swab_ost_id(&o->o_oi);
1729 __swab64s (&o->o_parent_seq);
1730 __swab64s (&o->o_size);
1731 __swab64s (&o->o_mtime);
1732 __swab64s (&o->o_atime);
1733 __swab64s (&o->o_ctime);
1734 __swab64s (&o->o_blocks);
1735 __swab64s (&o->o_grant);
1736 __swab32s (&o->o_blksize);
1737 __swab32s (&o->o_mode);
1738 __swab32s (&o->o_uid);
1739 __swab32s (&o->o_gid);
1740 __swab32s (&o->o_flags);
1741 __swab32s (&o->o_nlink);
1742 __swab32s (&o->o_parent_oid);
1743 __swab32s (&o->o_misc);
1744 __swab64s (&o->o_ioepoch);
1745 __swab32s (&o->o_stripe_idx);
1746 __swab32s (&o->o_parent_ver);
1747 /* o_handle is opaque */
1748 /* o_lcookie is swabbed elsewhere */
1749 __swab32s (&o->o_uid_h);
1750 __swab32s (&o->o_gid_h);
1751 __swab64s (&o->o_data_version);
1752 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1753 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1754 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1757 EXPORT_SYMBOL(lustre_swab_obdo);
1759 void lustre_swab_obd_statfs (struct obd_statfs *os)
1761 __swab64s (&os->os_type);
1762 __swab64s (&os->os_blocks);
1763 __swab64s (&os->os_bfree);
1764 __swab64s (&os->os_bavail);
1765 __swab64s (&os->os_files);
1766 __swab64s (&os->os_ffree);
1767 /* no need to swab os_fsid */
1768 __swab32s (&os->os_bsize);
1769 __swab32s (&os->os_namelen);
1770 __swab64s (&os->os_maxbytes);
1771 __swab32s (&os->os_state);
1772 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1773 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1774 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1775 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1776 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1777 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1778 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1779 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1780 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1782 EXPORT_SYMBOL(lustre_swab_obd_statfs);
1784 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1786 lustre_swab_ost_id(&ioo->ioo_oid);
1787 __swab32s(&ioo->ioo_max_brw);
1788 __swab32s(&ioo->ioo_bufcnt);
1790 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
1792 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1794 __swab64s(&nbr->rnb_offset);
1795 __swab32s(&nbr->rnb_len);
1796 __swab32s(&nbr->rnb_flags);
1798 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
1800 void lustre_swab_ost_body (struct ost_body *b)
1802 lustre_swab_obdo (&b->oa);
1804 EXPORT_SYMBOL(lustre_swab_ost_body);
1806 void lustre_swab_ost_last_id(obd_id *id)
1810 EXPORT_SYMBOL(lustre_swab_ost_last_id);
1812 void lustre_swab_generic_32s(__u32 *val)
1816 EXPORT_SYMBOL(lustre_swab_generic_32s);
1818 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1820 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1821 __swab64s(&desc->lquota_desc.gl_flags);
1822 __swab64s(&desc->lquota_desc.gl_ver);
1823 __swab64s(&desc->lquota_desc.gl_hardlimit);
1824 __swab64s(&desc->lquota_desc.gl_softlimit);
1825 __swab64s(&desc->lquota_desc.gl_time);
1826 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1829 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1831 __swab64s(&lvb->lvb_size);
1832 __swab64s(&lvb->lvb_mtime);
1833 __swab64s(&lvb->lvb_atime);
1834 __swab64s(&lvb->lvb_ctime);
1835 __swab64s(&lvb->lvb_blocks);
1837 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1839 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1841 __swab64s(&lvb->lvb_size);
1842 __swab64s(&lvb->lvb_mtime);
1843 __swab64s(&lvb->lvb_atime);
1844 __swab64s(&lvb->lvb_ctime);
1845 __swab64s(&lvb->lvb_blocks);
1846 __swab32s(&lvb->lvb_mtime_ns);
1847 __swab32s(&lvb->lvb_atime_ns);
1848 __swab32s(&lvb->lvb_ctime_ns);
1849 __swab32s(&lvb->lvb_padding);
1851 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1853 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1855 __swab64s(&lvb->lvb_flags);
1856 __swab64s(&lvb->lvb_id_may_rel);
1857 __swab64s(&lvb->lvb_id_rel);
1858 __swab64s(&lvb->lvb_id_qunit);
1859 __swab64s(&lvb->lvb_pad1);
1861 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1863 void lustre_swab_mdt_body (struct mdt_body *b)
1865 lustre_swab_lu_fid(&b->mbo_fid1);
1866 lustre_swab_lu_fid(&b->mbo_fid2);
1867 /* handle is opaque */
1868 __swab64s(&b->mbo_valid);
1869 __swab64s(&b->mbo_size);
1870 __swab64s(&b->mbo_mtime);
1871 __swab64s(&b->mbo_atime);
1872 __swab64s(&b->mbo_ctime);
1873 __swab64s(&b->mbo_blocks);
1874 __swab64s(&b->mbo_ioepoch);
1875 __swab64s(&b->mbo_t_state);
1876 __swab32s(&b->mbo_fsuid);
1877 __swab32s(&b->mbo_fsgid);
1878 __swab32s(&b->mbo_capability);
1879 __swab32s(&b->mbo_mode);
1880 __swab32s(&b->mbo_uid);
1881 __swab32s(&b->mbo_gid);
1882 __swab32s(&b->mbo_flags);
1883 __swab32s(&b->mbo_rdev);
1884 __swab32s(&b->mbo_nlink);
1885 CLASSERT(offsetof(typeof(*b), mbo_unused2) != 0);
1886 __swab32s(&b->mbo_suppgid);
1887 __swab32s(&b->mbo_eadatasize);
1888 __swab32s(&b->mbo_aclsize);
1889 __swab32s(&b->mbo_max_mdsize);
1890 __swab32s(&b->mbo_max_cookiesize);
1891 __swab32s(&b->mbo_uid_h);
1892 __swab32s(&b->mbo_gid_h);
1893 CLASSERT(offsetof(typeof(*b), mbo_padding_5) != 0);
1895 EXPORT_SYMBOL(lustre_swab_mdt_body);
1897 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1899 /* handle is opaque */
1900 __swab64s (&b->ioepoch);
1901 __swab32s (&b->flags);
1902 CLASSERT(offsetof(typeof(*b), padding) != 0);
1904 EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
1906 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1909 __swab32s(&mti->mti_lustre_ver);
1910 __swab32s(&mti->mti_stripe_index);
1911 __swab32s(&mti->mti_config_ver);
1912 __swab32s(&mti->mti_flags);
1913 __swab32s(&mti->mti_instance);
1914 __swab32s(&mti->mti_nid_count);
1915 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1916 for (i = 0; i < MTI_NIDS_MAX; i++)
1917 __swab64s(&mti->mti_nids[i]);
1919 EXPORT_SYMBOL(lustre_swab_mgs_target_info);
1921 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1925 __swab64s(&entry->mne_version);
1926 __swab32s(&entry->mne_instance);
1927 __swab32s(&entry->mne_index);
1928 __swab32s(&entry->mne_length);
1930 /* mne_nid_(count|type) must be one byte size because we're gonna
1931 * access it w/o swapping. */
1932 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1933 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1935 /* remove this assertion if ipv6 is supported. */
1936 LASSERT(entry->mne_nid_type == 0);
1937 for (i = 0; i < entry->mne_nid_count; i++) {
1938 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1939 __swab64s(&entry->u.nids[i]);
1942 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1944 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1946 __swab64s(&body->mcb_offset);
1947 __swab32s(&body->mcb_units);
1948 __swab16s(&body->mcb_type);
1950 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1952 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1954 __swab64s(&body->mcr_offset);
1955 __swab64s(&body->mcr_size);
1957 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1959 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1961 __swab64s (&i->dqi_bgrace);
1962 __swab64s (&i->dqi_igrace);
1963 __swab32s (&i->dqi_flags);
1964 __swab32s (&i->dqi_valid);
1967 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1969 __swab64s (&b->dqb_ihardlimit);
1970 __swab64s (&b->dqb_isoftlimit);
1971 __swab64s (&b->dqb_curinodes);
1972 __swab64s (&b->dqb_bhardlimit);
1973 __swab64s (&b->dqb_bsoftlimit);
1974 __swab64s (&b->dqb_curspace);
1975 __swab64s (&b->dqb_btime);
1976 __swab64s (&b->dqb_itime);
1977 __swab32s (&b->dqb_valid);
1978 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1981 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1983 __swab32s (&q->qc_cmd);
1984 __swab32s (&q->qc_type);
1985 __swab32s (&q->qc_id);
1986 __swab32s (&q->qc_stat);
1987 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1988 lustre_swab_obd_dqblk (&q->qc_dqblk);
1990 EXPORT_SYMBOL(lustre_swab_obd_quotactl);
1992 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1994 __swab32s (&p->rp_uid);
1995 __swab32s (&p->rp_gid);
1996 __swab32s (&p->rp_fsuid);
1997 __swab32s (&p->rp_fsuid_h);
1998 __swab32s (&p->rp_fsgid);
1999 __swab32s (&p->rp_fsgid_h);
2000 __swab32s (&p->rp_access_perm);
2001 __swab32s (&p->rp_padding);
2003 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
2005 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
2007 lustre_swab_lu_fid(&gf->gf_fid);
2008 __swab64s(&gf->gf_recno);
2009 __swab32s(&gf->gf_linkno);
2010 __swab32s(&gf->gf_pathlen);
2012 EXPORT_SYMBOL(lustre_swab_fid2path);
2014 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
2016 __swab64s(&fm_extent->fe_logical);
2017 __swab64s(&fm_extent->fe_physical);
2018 __swab64s(&fm_extent->fe_length);
2019 __swab32s(&fm_extent->fe_flags);
2020 __swab32s(&fm_extent->fe_device);
2023 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
2027 __swab64s(&fiemap->fm_start);
2028 __swab64s(&fiemap->fm_length);
2029 __swab32s(&fiemap->fm_flags);
2030 __swab32s(&fiemap->fm_mapped_extents);
2031 __swab32s(&fiemap->fm_extent_count);
2032 __swab32s(&fiemap->fm_reserved);
2034 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2035 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2037 EXPORT_SYMBOL(lustre_swab_fiemap);
2039 void lustre_swab_idx_info(struct idx_info *ii)
2041 __swab32s(&ii->ii_magic);
2042 __swab32s(&ii->ii_flags);
2043 __swab16s(&ii->ii_count);
2044 __swab32s(&ii->ii_attrs);
2045 lustre_swab_lu_fid(&ii->ii_fid);
2046 __swab64s(&ii->ii_version);
2047 __swab64s(&ii->ii_hash_start);
2048 __swab64s(&ii->ii_hash_end);
2049 __swab16s(&ii->ii_keysize);
2050 __swab16s(&ii->ii_recsize);
2053 void lustre_swab_lip_header(struct lu_idxpage *lip)
2056 __swab32s(&lip->lip_magic);
2057 __swab16s(&lip->lip_flags);
2058 __swab16s(&lip->lip_nr);
2060 EXPORT_SYMBOL(lustre_swab_lip_header);
2062 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2064 __swab32s(&rr->rr_opcode);
2065 __swab32s(&rr->rr_cap);
2066 __swab32s(&rr->rr_fsuid);
2067 /* rr_fsuid_h is unused */
2068 __swab32s(&rr->rr_fsgid);
2069 /* rr_fsgid_h is unused */
2070 __swab32s(&rr->rr_suppgid1);
2071 /* rr_suppgid1_h is unused */
2072 __swab32s(&rr->rr_suppgid2);
2073 /* rr_suppgid2_h is unused */
2074 lustre_swab_lu_fid(&rr->rr_fid1);
2075 lustre_swab_lu_fid(&rr->rr_fid2);
2076 __swab64s(&rr->rr_mtime);
2077 __swab64s(&rr->rr_atime);
2078 __swab64s(&rr->rr_ctime);
2079 __swab64s(&rr->rr_size);
2080 __swab64s(&rr->rr_blocks);
2081 __swab32s(&rr->rr_bias);
2082 __swab32s(&rr->rr_mode);
2083 __swab32s(&rr->rr_flags);
2084 __swab32s(&rr->rr_flags_h);
2085 __swab32s(&rr->rr_umask);
2087 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2089 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
2091 void lustre_swab_lov_desc (struct lov_desc *ld)
2093 __swab32s (&ld->ld_tgt_count);
2094 __swab32s (&ld->ld_active_tgt_count);
2095 __swab32s (&ld->ld_default_stripe_count);
2096 __swab32s (&ld->ld_pattern);
2097 __swab64s (&ld->ld_default_stripe_size);
2098 __swab64s (&ld->ld_default_stripe_offset);
2099 __swab32s (&ld->ld_qos_maxage);
2100 /* uuid endian insensitive */
2102 EXPORT_SYMBOL(lustre_swab_lov_desc);
2104 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2106 __swab32s (&ld->ld_tgt_count);
2107 __swab32s (&ld->ld_active_tgt_count);
2108 __swab32s (&ld->ld_default_stripe_count);
2109 __swab32s (&ld->ld_pattern);
2110 __swab64s (&ld->ld_default_hash_size);
2111 __swab32s (&ld->ld_qos_maxage);
2112 /* uuid endian insensitive */
2115 /* This structure is always in little-endian */
2116 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2120 __swab32s(&lmm1->lmv_magic);
2121 __swab32s(&lmm1->lmv_stripe_count);
2122 __swab32s(&lmm1->lmv_master_mdt_index);
2123 __swab32s(&lmm1->lmv_hash_type);
2124 __swab32s(&lmm1->lmv_layout_version);
2125 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2126 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2129 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2131 switch (lmm->lmv_magic) {
2133 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2139 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
2141 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2143 __swab32s(&lum->lum_magic);
2144 __swab32s(&lum->lum_stripe_count);
2145 __swab32s(&lum->lum_stripe_offset);
2146 __swab32s(&lum->lum_hash_type);
2147 __swab32s(&lum->lum_type);
2148 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2150 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2152 static void print_lum (struct lov_user_md *lum)
2154 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
2155 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
2156 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2157 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lmm_oi_id(&lum->lmm_oi));
2158 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lmm_oi_seq(&lum->lmm_oi));
2159 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2160 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2161 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2162 lum->lmm_stripe_offset);
2165 static void lustre_swab_lmm_oi(struct ost_id *oi)
2167 __swab64s(&oi->oi.oi_id);
2168 __swab64s(&oi->oi.oi_seq);
2171 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2174 __swab32s(&lum->lmm_magic);
2175 __swab32s(&lum->lmm_pattern);
2176 lustre_swab_lmm_oi(&lum->lmm_oi);
2177 __swab32s(&lum->lmm_stripe_size);
2178 __swab16s(&lum->lmm_stripe_count);
2179 __swab16s(&lum->lmm_stripe_offset);
2184 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2187 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2188 lustre_swab_lov_user_md_common(lum);
2191 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2193 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2196 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2197 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2198 /* lmm_pool_name nothing to do with char */
2201 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2203 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2206 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2207 __swab32s(&lmm->lmm_magic);
2208 __swab32s(&lmm->lmm_pattern);
2209 lustre_swab_lmm_oi(&lmm->lmm_oi);
2210 __swab32s(&lmm->lmm_stripe_size);
2211 __swab16s(&lmm->lmm_stripe_count);
2212 __swab16s(&lmm->lmm_layout_gen);
2215 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2217 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2222 for (i = 0; i < stripe_count; i++) {
2223 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2224 __swab32s(&(lod[i].l_ost_gen));
2225 __swab32s(&(lod[i].l_ost_idx));
2229 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2231 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2235 for (i = 0; i < RES_NAME_SIZE; i++)
2236 __swab64s (&id->name[i]);
2238 EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
2240 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2242 /* the lock data is a union and the first two fields are always an
2243 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2244 * data the same way. */
2245 __swab64s(&d->l_extent.start);
2246 __swab64s(&d->l_extent.end);
2247 __swab64s(&d->l_extent.gid);
2248 __swab64s(&d->l_flock.lfw_owner);
2249 __swab32s(&d->l_flock.lfw_pid);
2251 EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
2253 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2255 __swab64s (&i->opc);
2257 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
2259 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2261 __swab32s (&r->lr_type);
2262 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2263 lustre_swab_ldlm_res_id (&r->lr_name);
2265 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
2267 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2269 lustre_swab_ldlm_resource_desc (&l->l_resource);
2270 __swab32s (&l->l_req_mode);
2271 __swab32s (&l->l_granted_mode);
2272 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2274 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
2276 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2278 __swab32s (&rq->lock_flags);
2279 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2280 __swab32s (&rq->lock_count);
2281 /* lock_handle[] opaque */
2283 EXPORT_SYMBOL(lustre_swab_ldlm_request);
2285 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2287 __swab32s (&r->lock_flags);
2288 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2289 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2290 /* lock_handle opaque */
2291 __swab64s (&r->lock_policy_res1);
2292 __swab64s (&r->lock_policy_res2);
2294 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
2296 void lustre_swab_quota_body(struct quota_body *b)
2298 lustre_swab_lu_fid(&b->qb_fid);
2299 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2300 __swab32s(&b->qb_flags);
2301 __swab64s(&b->qb_count);
2302 __swab64s(&b->qb_usage);
2303 __swab64s(&b->qb_slv_ver);
2306 /* Dump functions */
2307 void dump_ioo(struct obd_ioobj *ioo)
2310 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2311 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2314 EXPORT_SYMBOL(dump_ioo);
2316 void dump_rniobuf(struct niobuf_remote *nb)
2318 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2319 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2321 EXPORT_SYMBOL(dump_rniobuf);
2323 void dump_obdo(struct obdo *oa)
2325 __u32 valid = oa->o_valid;
2327 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2328 if (valid & OBD_MD_FLID)
2329 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2330 if (valid & OBD_MD_FLFID)
2331 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2333 if (valid & OBD_MD_FLSIZE)
2334 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2335 if (valid & OBD_MD_FLMTIME)
2336 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2337 if (valid & OBD_MD_FLATIME)
2338 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2339 if (valid & OBD_MD_FLCTIME)
2340 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2341 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2342 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2343 if (valid & OBD_MD_FLGRANT)
2344 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2345 if (valid & OBD_MD_FLBLKSZ)
2346 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2347 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2348 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2349 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2350 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2351 if (valid & OBD_MD_FLUID)
2352 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2353 if (valid & OBD_MD_FLUID)
2354 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2355 if (valid & OBD_MD_FLGID)
2356 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2357 if (valid & OBD_MD_FLGID)
2358 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2359 if (valid & OBD_MD_FLFLAGS)
2360 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2361 if (valid & OBD_MD_FLNLINK)
2362 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2363 else if (valid & OBD_MD_FLCKSUM)
2364 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2366 if (valid & OBD_MD_FLGENER)
2367 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2369 if (valid & OBD_MD_FLEPOCH)
2370 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2372 if (valid & OBD_MD_FLFID) {
2373 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2375 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2378 if (valid & OBD_MD_FLHANDLE)
2379 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2380 oa->o_handle.cookie);
2381 if (valid & OBD_MD_FLCOOKIE)
2382 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2383 "(llog_cookie dumping not yet implemented)\n");
2385 EXPORT_SYMBOL(dump_obdo);
2387 void dump_ost_body(struct ost_body *ob)
2391 EXPORT_SYMBOL(dump_ost_body);
2393 void dump_rcs(__u32 *rc)
2395 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2397 EXPORT_SYMBOL(dump_rcs);
2399 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2401 LASSERT(req->rq_reqmsg);
2403 switch (req->rq_reqmsg->lm_magic) {
2404 case LUSTRE_MSG_MAGIC_V2:
2405 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2407 CERROR("bad lustre msg magic: %#08X\n",
2408 req->rq_reqmsg->lm_magic);
2413 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2415 LASSERT(req->rq_repmsg);
2417 switch (req->rq_repmsg->lm_magic) {
2418 case LUSTRE_MSG_MAGIC_V2:
2419 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2421 /* uninitialized yet */
2426 void _debug_req(struct ptlrpc_request *req,
2427 struct libcfs_debug_msg_data *msgdata,
2428 const char *fmt, ... )
2430 int req_ok = req->rq_reqmsg != NULL;
2431 int rep_ok = req->rq_repmsg != NULL;
2432 lnet_nid_t nid = LNET_NID_ANY;
2435 if (ptlrpc_req_need_swab(req)) {
2436 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2437 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2440 if (req->rq_import && req->rq_import->imp_connection)
2441 nid = req->rq_import->imp_connection->c_peer.nid;
2442 else if (req->rq_export && req->rq_export->exp_connection)
2443 nid = req->rq_export->exp_connection->c_peer.nid;
2445 va_start(args, fmt);
2446 libcfs_debug_vmsg2(msgdata, fmt, args,
2447 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2448 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2449 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2450 req, req->rq_xid, req->rq_transno,
2451 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2452 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2454 req->rq_import->imp_obd->obd_name :
2456 req->rq_export->exp_client_uuid.uuid :
2458 libcfs_nid2str(nid),
2459 req->rq_request_portal, req->rq_reply_portal,
2460 req->rq_reqlen, req->rq_replen,
2461 req->rq_early_count, req->rq_timedout,
2463 atomic_read(&req->rq_refcount),
2464 DEBUG_REQ_FLAGS(req),
2465 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2466 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2468 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2471 EXPORT_SYMBOL(_debug_req);
2473 void lustre_swab_lustre_capa(struct lustre_capa *c)
2475 lustre_swab_lu_fid(&c->lc_fid);
2476 __swab64s (&c->lc_opc);
2477 __swab64s (&c->lc_uid);
2478 __swab64s (&c->lc_gid);
2479 __swab32s (&c->lc_flags);
2480 __swab32s (&c->lc_keyid);
2481 __swab32s (&c->lc_timeout);
2482 __swab32s (&c->lc_expiry);
2484 EXPORT_SYMBOL(lustre_swab_lustre_capa);
2486 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2488 __swab64s (&k->lk_seq);
2489 __swab32s (&k->lk_keyid);
2490 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2492 EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
2494 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2496 __swab32s(&state->hus_states);
2497 __swab32s(&state->hus_archive_id);
2499 EXPORT_SYMBOL(lustre_swab_hsm_user_state);
2501 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2503 __swab32s(&hss->hss_valid);
2504 __swab64s(&hss->hss_setmask);
2505 __swab64s(&hss->hss_clearmask);
2506 __swab32s(&hss->hss_archive_id);
2508 EXPORT_SYMBOL(lustre_swab_hsm_state_set);
2510 void lustre_swab_hsm_extent(struct hsm_extent *extent)
2512 __swab64s(&extent->offset);
2513 __swab64s(&extent->length);
2516 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2518 __swab32s(&action->hca_state);
2519 __swab32s(&action->hca_action);
2520 lustre_swab_hsm_extent(&action->hca_location);
2522 EXPORT_SYMBOL(lustre_swab_hsm_current_action);
2524 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2526 lustre_swab_lu_fid(&hui->hui_fid);
2527 lustre_swab_hsm_extent(&hui->hui_extent);
2529 EXPORT_SYMBOL(lustre_swab_hsm_user_item);
2531 void lustre_swab_layout_intent(struct layout_intent *li)
2533 __swab32s(&li->li_opc);
2534 __swab32s(&li->li_flags);
2535 __swab64s(&li->li_start);
2536 __swab64s(&li->li_end);
2538 EXPORT_SYMBOL(lustre_swab_layout_intent);
2540 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2542 lustre_swab_lu_fid(&hpk->hpk_fid);
2543 __swab64s(&hpk->hpk_cookie);
2544 __swab64s(&hpk->hpk_extent.offset);
2545 __swab64s(&hpk->hpk_extent.length);
2546 __swab16s(&hpk->hpk_flags);
2547 __swab16s(&hpk->hpk_errval);
2549 EXPORT_SYMBOL(lustre_swab_hsm_progress_kernel);
2551 void lustre_swab_hsm_request(struct hsm_request *hr)
2553 __swab32s(&hr->hr_action);
2554 __swab32s(&hr->hr_archive_id);
2555 __swab64s(&hr->hr_flags);
2556 __swab32s(&hr->hr_itemcount);
2557 __swab32s(&hr->hr_data_len);
2559 EXPORT_SYMBOL(lustre_swab_hsm_request);
2561 void lustre_swab_object_update(struct object_update *ou)
2563 struct object_update_param *param;
2566 __swab16s(&ou->ou_type);
2567 __swab16s(&ou->ou_params_count);
2568 __swab32s(&ou->ou_master_index);
2569 __swab32s(&ou->ou_flags);
2570 __swab32s(&ou->ou_padding1);
2571 __swab64s(&ou->ou_batchid);
2572 lustre_swab_lu_fid(&ou->ou_fid);
2573 param = &ou->ou_params[0];
2574 for (i = 0; i < ou->ou_params_count; i++) {
2575 __swab16s(¶m->oup_len);
2576 __swab16s(¶m->oup_padding);
2577 __swab32s(¶m->oup_padding2);
2578 param = (struct object_update_param *)((char *)param +
2579 object_update_param_size(param));
2582 EXPORT_SYMBOL(lustre_swab_object_update);
2584 void lustre_swab_object_update_request(struct object_update_request *our)
2587 __swab32s(&our->ourq_magic);
2588 __swab16s(&our->ourq_count);
2589 __swab16s(&our->ourq_padding);
2590 for (i = 0; i < our->ourq_count; i++) {
2591 struct object_update *ou;
2593 ou = object_update_request_get(our, i, NULL);
2596 lustre_swab_object_update(ou);
2599 EXPORT_SYMBOL(lustre_swab_object_update_request);
2601 void lustre_swab_object_update_result(struct object_update_result *our)
2603 __swab32s(&our->our_rc);
2604 __swab16s(&our->our_datalen);
2605 __swab16s(&our->our_padding);
2607 EXPORT_SYMBOL(lustre_swab_object_update_result);
2609 void lustre_swab_object_update_reply(struct object_update_reply *our)
2613 __swab32s(&our->ourp_magic);
2614 __swab16s(&our->ourp_count);
2615 __swab16s(&our->ourp_padding);
2616 for (i = 0; i < our->ourp_count; i++) {
2617 struct object_update_result *ourp;
2619 __swab16s(&our->ourp_lens[i]);
2620 ourp = object_update_result_get(our, i, NULL);
2623 lustre_swab_object_update_result(ourp);
2626 EXPORT_SYMBOL(lustre_swab_object_update_reply);
2628 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2630 __swab64s(&msl->msl_flags);
2632 EXPORT_SYMBOL(lustre_swab_swap_layouts);
2634 void lustre_swab_close_data(struct close_data *cd)
2636 lustre_swab_lu_fid(&cd->cd_fid);
2637 __swab64s(&cd->cd_data_version);
2639 EXPORT_SYMBOL(lustre_swab_close_data);
2641 void lustre_swab_lfsck_request(struct lfsck_request *lr)
2643 __swab32s(&lr->lr_event);
2644 __swab32s(&lr->lr_index);
2645 __swab32s(&lr->lr_flags);
2646 __swab32s(&lr->lr_valid);
2647 __swab32s(&lr->lr_speed);
2648 __swab16s(&lr->lr_version);
2649 __swab16s(&lr->lr_active);
2650 __swab16s(&lr->lr_param);
2651 __swab16s(&lr->lr_async_windows);
2652 __swab32s(&lr->lr_flags);
2653 lustre_swab_lu_fid(&lr->lr_fid);
2654 lustre_swab_lu_fid(&lr->lr_fid2);
2655 lustre_swab_lu_fid(&lr->lr_fid3);
2656 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2657 CLASSERT(offsetof(typeof(*lr), lr_padding_3) != 0);
2659 EXPORT_SYMBOL(lustre_swab_lfsck_request);
2661 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
2663 __swab32s(&lr->lr_status);
2664 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2665 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2667 EXPORT_SYMBOL(lustre_swab_lfsck_reply);
2669 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
2671 lustre_swab_lu_fid(&ent->loe_key);
2672 lustre_swab_lu_fid(&ent->loe_rec.lor_fid);
2673 __swab32s(&ent->loe_rec.lor_uid);
2674 __swab32s(&ent->loe_rec.lor_gid);
2676 EXPORT_SYMBOL(lustre_swab_orphan_ent);