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, Whamcloud, Inc.
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 <liblustre.h>
50 #include <libcfs/libcfs.h>
52 #include <obd_support.h>
53 #include <obd_class.h>
54 #include <lustre_net.h>
55 #include <obd_cksum.h>
56 #include <lustre/ll_fiemap.h>
58 static inline int lustre_msg_hdr_size_v2(int count)
60 return cfs_size_round(offsetof(struct lustre_msg_v2,
64 int lustre_msg_hdr_size(__u32 magic, int count)
67 case LUSTRE_MSG_MAGIC_V2:
68 return lustre_msg_hdr_size_v2(count);
70 LASSERTF(0, "incorrect message magic: %08x\n", magic);
74 EXPORT_SYMBOL(lustre_msg_hdr_size);
76 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
80 lustre_set_req_swabbed(req, index);
82 lustre_set_rep_swabbed(req, index);
84 EXPORT_SYMBOL(ptlrpc_buf_set_swabbed);
86 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
90 return (ptlrpc_req_need_swab(req) &&
91 !lustre_req_swabbed(req, index));
93 return (ptlrpc_rep_need_swab(req) &&
94 !lustre_rep_swabbed(req, index));
96 EXPORT_SYMBOL(ptlrpc_buf_need_swab);
98 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
101 __u32 ver = lustre_msg_get_version(msg);
102 return (ver & LUSTRE_VERSION_MASK) != version;
105 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
107 switch (msg->lm_magic) {
108 case LUSTRE_MSG_MAGIC_V1:
109 CERROR("msg v1 not supported - please upgrade you system\n");
111 case LUSTRE_MSG_MAGIC_V2:
112 return lustre_msg_check_version_v2(msg, version);
114 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
118 EXPORT_SYMBOL(lustre_msg_check_version);
120 /* early reply size */
121 int lustre_msg_early_size()
125 /* Always reply old ptlrpc_body_v2 to keep interoprability
126 * with the old client (< 2.3) which doesn't have pb_jobid
127 * in the ptlrpc_body.
129 * XXX Remove this whenever we dorp interoprability with such
132 __u32 pblen = sizeof(struct ptlrpc_body_v2);
133 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
137 EXPORT_SYMBOL(lustre_msg_early_size);
139 int lustre_msg_size_v2(int count, __u32 *lengths)
144 size = lustre_msg_hdr_size_v2(count);
145 for (i = 0; i < count; i++)
146 size += cfs_size_round(lengths[i]);
150 EXPORT_SYMBOL(lustre_msg_size_v2);
152 /* This returns the size of the buffer that is required to hold a lustre_msg
153 * with the given sub-buffer lengths.
154 * NOTE: this should only be used for NEW requests, and should always be
155 * in the form of a v2 request. If this is a connection to a v1
156 * target then the first buffer will be stripped because the ptlrpc
157 * data is part of the lustre_msg_v1 header. b=14043 */
158 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
160 __u32 size[] = { sizeof(struct ptlrpc_body) };
168 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
171 case LUSTRE_MSG_MAGIC_V2:
172 return lustre_msg_size_v2(count, lens);
174 LASSERTF(0, "incorrect message magic: %08x\n", magic);
178 EXPORT_SYMBOL(lustre_msg_size);
180 /* This is used to determine the size of a buffer that was already packed
181 * and will correctly handle the different message formats. */
182 int lustre_packed_msg_size(struct lustre_msg *msg)
184 switch (msg->lm_magic) {
185 case LUSTRE_MSG_MAGIC_V2:
186 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
188 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
192 EXPORT_SYMBOL(lustre_packed_msg_size);
194 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
200 msg->lm_bufcount = count;
201 /* XXX: lm_secflvr uninitialized here */
202 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
204 for (i = 0; i < count; i++)
205 msg->lm_buflens[i] = lens[i];
210 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
211 for (i = 0; i < count; i++) {
213 LOGL(tmp, lens[i], ptr);
216 EXPORT_SYMBOL(lustre_init_msg_v2);
218 static int lustre_pack_request_v2(struct ptlrpc_request *req,
219 int count, __u32 *lens, char **bufs)
223 reqlen = lustre_msg_size_v2(count, lens);
225 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
229 req->rq_reqlen = reqlen;
231 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
232 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
236 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
237 __u32 *lens, char **bufs)
239 __u32 size[] = { sizeof(struct ptlrpc_body) };
247 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
249 /* only use new format, we don't need to be compatible with 1.4 */
250 magic = LUSTRE_MSG_MAGIC_V2;
253 case LUSTRE_MSG_MAGIC_V2:
254 return lustre_pack_request_v2(req, count, lens, bufs);
256 LASSERTF(0, "incorrect message magic: %08x\n", magic);
260 EXPORT_SYMBOL(lustre_pack_request);
263 CFS_LIST_HEAD(ptlrpc_rs_debug_lru);
264 spinlock_t ptlrpc_rs_debug_lock;
266 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
268 spin_lock(&ptlrpc_rs_debug_lock); \
269 cfs_list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
270 spin_unlock(&ptlrpc_rs_debug_lock); \
273 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
275 spin_lock(&ptlrpc_rs_debug_lock); \
276 cfs_list_del(&(rs)->rs_debug_list); \
277 spin_unlock(&ptlrpc_rs_debug_lock); \
280 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
281 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
284 struct ptlrpc_reply_state *
285 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
287 struct ptlrpc_reply_state *rs = NULL;
289 spin_lock(&svcpt->scp_rep_lock);
291 /* See if we have anything in a pool, and wait if nothing */
292 while (cfs_list_empty(&svcpt->scp_rep_idle)) {
293 struct l_wait_info lwi;
296 spin_unlock(&svcpt->scp_rep_lock);
297 /* If we cannot get anything for some long time, we better
298 * bail out instead of waiting infinitely */
299 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
300 rc = l_wait_event(svcpt->scp_rep_waitq,
301 !cfs_list_empty(&svcpt->scp_rep_idle), &lwi);
304 spin_lock(&svcpt->scp_rep_lock);
307 rs = cfs_list_entry(svcpt->scp_rep_idle.next,
308 struct ptlrpc_reply_state, rs_list);
309 cfs_list_del(&rs->rs_list);
311 spin_unlock(&svcpt->scp_rep_lock);
314 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
315 rs->rs_svcpt = svcpt;
321 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
323 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
325 spin_lock(&svcpt->scp_rep_lock);
326 cfs_list_add(&rs->rs_list, &svcpt->scp_rep_idle);
327 spin_unlock(&svcpt->scp_rep_lock);
328 cfs_waitq_signal(&svcpt->scp_rep_waitq);
331 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
332 __u32 *lens, char **bufs, int flags)
334 struct ptlrpc_reply_state *rs;
338 LASSERT(req->rq_reply_state == NULL);
340 if ((flags & LPRFL_EARLY_REPLY) == 0) {
341 spin_lock(&req->rq_lock);
342 req->rq_packed_final = 1;
343 spin_unlock(&req->rq_lock);
346 msg_len = lustre_msg_size_v2(count, lens);
347 rc = sptlrpc_svc_alloc_rs(req, msg_len);
351 rs = req->rq_reply_state;
352 cfs_atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
353 rs->rs_cb_id.cbid_fn = reply_out_callback;
354 rs->rs_cb_id.cbid_arg = rs;
355 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
356 CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
357 CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
358 CFS_INIT_LIST_HEAD(&rs->rs_list);
359 spin_lock_init(&rs->rs_lock);
361 req->rq_replen = msg_len;
362 req->rq_reply_state = rs;
363 req->rq_repmsg = rs->rs_msg;
365 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
366 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
368 PTLRPC_RS_DEBUG_LRU_ADD(rs);
372 EXPORT_SYMBOL(lustre_pack_reply_v2);
374 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
375 char **bufs, int flags)
378 __u32 size[] = { sizeof(struct ptlrpc_body) };
386 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
388 switch (req->rq_reqmsg->lm_magic) {
389 case LUSTRE_MSG_MAGIC_V2:
390 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
393 LASSERTF(0, "incorrect message magic: %08x\n",
394 req->rq_reqmsg->lm_magic);
398 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
399 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
402 EXPORT_SYMBOL(lustre_pack_reply_flags);
404 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
407 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
409 EXPORT_SYMBOL(lustre_pack_reply);
411 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
413 int i, offset, buflen, bufcount;
418 bufcount = m->lm_bufcount;
419 if (unlikely(n >= bufcount)) {
420 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
425 buflen = m->lm_buflens[n];
426 if (unlikely(buflen < min_size)) {
427 CERROR("msg %p buffer[%d] size %d too small "
428 "(required %d, opc=%d)\n", m, n, buflen, min_size,
429 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
433 offset = lustre_msg_hdr_size_v2(bufcount);
434 for (i = 0; i < n; i++)
435 offset += cfs_size_round(m->lm_buflens[i]);
437 return (char *)m + offset;
440 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
442 switch (m->lm_magic) {
443 case LUSTRE_MSG_MAGIC_V2:
444 return lustre_msg_buf_v2(m, n, min_size);
446 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
450 EXPORT_SYMBOL(lustre_msg_buf);
452 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
453 unsigned int newlen, int move_data)
455 char *tail = NULL, *newpos;
459 LASSERT(msg->lm_bufcount > segment);
460 LASSERT(msg->lm_buflens[segment] >= newlen);
462 if (msg->lm_buflens[segment] == newlen)
465 if (move_data && msg->lm_bufcount > segment + 1) {
466 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
467 for (n = segment + 1; n < msg->lm_bufcount; n++)
468 tail_len += cfs_size_round(msg->lm_buflens[n]);
471 msg->lm_buflens[segment] = newlen;
473 if (tail && tail_len) {
474 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
475 LASSERT(newpos <= tail);
477 memmove(newpos, tail, tail_len);
480 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
484 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
485 * we also move data forward from @segment + 1.
487 * if @newlen == 0, we remove the segment completely, but we still keep the
488 * totally bufcount the same to save possible data moving. this will leave a
489 * unused segment with size 0 at the tail, but that's ok.
491 * return new msg size after shrinking.
494 * + if any buffers higher than @segment has been filled in, must call shrink
495 * with non-zero @move_data.
496 * + caller should NOT keep pointers to msg buffers which higher than @segment
499 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
500 unsigned int newlen, int move_data)
502 switch (msg->lm_magic) {
503 case LUSTRE_MSG_MAGIC_V2:
504 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
506 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
509 EXPORT_SYMBOL(lustre_shrink_msg);
511 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
513 PTLRPC_RS_DEBUG_LRU_DEL(rs);
515 LASSERT (cfs_atomic_read(&rs->rs_refcount) == 0);
516 LASSERT (!rs->rs_difficult || rs->rs_handled);
517 LASSERT (!rs->rs_on_net);
518 LASSERT (!rs->rs_scheduled);
519 LASSERT (rs->rs_export == NULL);
520 LASSERT (rs->rs_nlocks == 0);
521 LASSERT (cfs_list_empty(&rs->rs_exp_list));
522 LASSERT (cfs_list_empty(&rs->rs_obd_list));
524 sptlrpc_svc_free_rs(rs);
526 EXPORT_SYMBOL(lustre_free_reply_state);
528 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
530 int swabbed, required_len, i;
532 /* Now we know the sender speaks my language. */
533 required_len = lustre_msg_hdr_size_v2(0);
534 if (len < required_len) {
535 /* can't even look inside the message */
536 CERROR("message length %d too small for lustre_msg\n", len);
540 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
543 __swab32s(&m->lm_magic);
544 __swab32s(&m->lm_bufcount);
545 __swab32s(&m->lm_secflvr);
546 __swab32s(&m->lm_repsize);
547 __swab32s(&m->lm_cksum);
548 __swab32s(&m->lm_flags);
549 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
550 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
553 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
554 if (len < required_len) {
555 /* didn't receive all the buffer lengths */
556 CERROR ("message length %d too small for %d buflens\n",
557 len, m->lm_bufcount);
561 for (i = 0; i < m->lm_bufcount; i++) {
563 __swab32s(&m->lm_buflens[i]);
564 required_len += cfs_size_round(m->lm_buflens[i]);
567 if (len < required_len) {
568 CERROR("len: %d, required_len %d\n", len, required_len);
569 CERROR("bufcount: %d\n", m->lm_bufcount);
570 for (i = 0; i < m->lm_bufcount; i++)
571 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
578 int __lustre_unpack_msg(struct lustre_msg *m, int len)
580 int required_len, rc;
583 /* We can provide a slightly better error log, if we check the
584 * message magic and version first. In the future, struct
585 * lustre_msg may grow, and we'd like to log a version mismatch,
586 * rather than a short message.
589 required_len = offsetof(struct lustre_msg, lm_magic) +
591 if (len < required_len) {
592 /* can't even look inside the message */
593 CERROR("message length %d too small for magic/version check\n",
598 rc = lustre_unpack_msg_v2(m, len);
602 EXPORT_SYMBOL(__lustre_unpack_msg);
604 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
607 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
609 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
614 EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
616 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
619 rc = __lustre_unpack_msg(req->rq_repmsg, len);
621 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
626 EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
628 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
629 const int inout, int offset)
631 struct ptlrpc_body *pb;
632 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
634 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
636 CERROR("error unpacking ptlrpc body\n");
639 if (ptlrpc_buf_need_swab(req, inout, offset)) {
640 lustre_swab_ptlrpc_body(pb);
641 ptlrpc_buf_set_swabbed(req, inout, offset);
644 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
645 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
652 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
654 switch (req->rq_reqmsg->lm_magic) {
655 case LUSTRE_MSG_MAGIC_V2:
656 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
658 CERROR("bad lustre msg magic: %08x\n",
659 req->rq_reqmsg->lm_magic);
664 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
666 switch (req->rq_repmsg->lm_magic) {
667 case LUSTRE_MSG_MAGIC_V2:
668 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
670 CERROR("bad lustre msg magic: %08x\n",
671 req->rq_repmsg->lm_magic);
676 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
678 if (n >= m->lm_bufcount)
681 return m->lm_buflens[n];
685 * lustre_msg_buflen - return the length of buffer \a n in message \a m
686 * \param m lustre_msg (request or reply) to look at
687 * \param n message index (base 0)
689 * returns zero for non-existent message indices
691 int lustre_msg_buflen(struct lustre_msg *m, int n)
693 switch (m->lm_magic) {
694 case LUSTRE_MSG_MAGIC_V2:
695 return lustre_msg_buflen_v2(m, n);
697 CERROR("incorrect message magic: %08x\n", m->lm_magic);
701 EXPORT_SYMBOL(lustre_msg_buflen);
704 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
706 if (n >= m->lm_bufcount)
709 m->lm_buflens[n] = len;
712 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
714 switch (m->lm_magic) {
715 case LUSTRE_MSG_MAGIC_V2:
716 lustre_msg_set_buflen_v2(m, n, len);
719 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
723 EXPORT_SYMBOL(lustre_msg_set_buflen);
725 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
726 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
727 int lustre_msg_bufcount(struct lustre_msg *m)
729 switch (m->lm_magic) {
730 case LUSTRE_MSG_MAGIC_V2:
731 return m->lm_bufcount;
733 CERROR("incorrect message magic: %08x\n", m->lm_magic);
737 EXPORT_SYMBOL(lustre_msg_bufcount);
739 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
741 /* max_len == 0 means the string should fill the buffer */
745 switch (m->lm_magic) {
746 case LUSTRE_MSG_MAGIC_V2:
747 str = lustre_msg_buf_v2(m, index, 0);
748 blen = lustre_msg_buflen_v2(m, index);
751 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
755 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
759 slen = strnlen(str, blen);
761 if (slen == blen) { /* not NULL terminated */
762 CERROR("can't unpack non-NULL terminated string in "
763 "msg %p buffer[%d] len %d\n", m, index, blen);
768 if (slen != blen - 1) {
769 CERROR("can't unpack short string in msg %p "
770 "buffer[%d] len %d: strlen %d\n",
771 m, index, blen, slen);
774 } else if (slen > max_len) {
775 CERROR("can't unpack oversized string in msg %p "
776 "buffer[%d] len %d strlen %d: max %d expected\n",
777 m, index, blen, slen, max_len);
783 EXPORT_SYMBOL(lustre_msg_string);
785 /* Wrap up the normal fixed length cases */
786 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
787 int min_size, void *swabber)
791 LASSERT(msg != NULL);
792 switch (msg->lm_magic) {
793 case LUSTRE_MSG_MAGIC_V2:
794 ptr = lustre_msg_buf_v2(msg, index, min_size);
797 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
801 ((void (*)(void *))swabber)(ptr);
806 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
808 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
809 sizeof(struct ptlrpc_body_v2));
812 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
814 switch (msg->lm_magic) {
815 case LUSTRE_MSG_MAGIC_V1:
816 case LUSTRE_MSG_MAGIC_V1_SWABBED:
818 case LUSTRE_MSG_MAGIC_V2:
819 /* already in host endian */
820 return msg->lm_flags;
822 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
826 EXPORT_SYMBOL(lustre_msghdr_get_flags);
828 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
830 switch (msg->lm_magic) {
831 case LUSTRE_MSG_MAGIC_V1:
833 case LUSTRE_MSG_MAGIC_V2:
834 msg->lm_flags = flags;
837 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
841 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
843 switch (msg->lm_magic) {
844 case LUSTRE_MSG_MAGIC_V2: {
845 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
847 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
853 /* flags might be printed in debug code while message
858 EXPORT_SYMBOL(lustre_msg_get_flags);
860 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
862 switch (msg->lm_magic) {
863 case LUSTRE_MSG_MAGIC_V2: {
864 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
865 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
866 pb->pb_flags |= flags;
870 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
873 EXPORT_SYMBOL(lustre_msg_add_flags);
875 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
877 switch (msg->lm_magic) {
878 case LUSTRE_MSG_MAGIC_V2: {
879 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
880 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
881 pb->pb_flags = flags;
885 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
888 EXPORT_SYMBOL(lustre_msg_set_flags);
890 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
892 switch (msg->lm_magic) {
893 case LUSTRE_MSG_MAGIC_V2: {
894 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
895 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
896 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
900 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
903 EXPORT_SYMBOL(lustre_msg_clear_flags);
905 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
907 switch (msg->lm_magic) {
908 case LUSTRE_MSG_MAGIC_V2: {
909 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
911 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
914 return pb->pb_op_flags;
920 EXPORT_SYMBOL(lustre_msg_get_op_flags);
922 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
924 switch (msg->lm_magic) {
925 case LUSTRE_MSG_MAGIC_V2: {
926 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
927 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
928 pb->pb_op_flags |= flags;
932 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
935 EXPORT_SYMBOL(lustre_msg_add_op_flags);
937 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
939 switch (msg->lm_magic) {
940 case LUSTRE_MSG_MAGIC_V2: {
941 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
942 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
943 pb->pb_op_flags |= flags;
947 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
950 EXPORT_SYMBOL(lustre_msg_set_op_flags);
952 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
954 switch (msg->lm_magic) {
955 case LUSTRE_MSG_MAGIC_V2: {
956 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
958 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
961 return &pb->pb_handle;
964 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
968 EXPORT_SYMBOL(lustre_msg_get_handle);
970 __u32 lustre_msg_get_type(struct lustre_msg *msg)
972 switch (msg->lm_magic) {
973 case LUSTRE_MSG_MAGIC_V2: {
974 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
976 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
977 return PTL_RPC_MSG_ERR;
982 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
983 return PTL_RPC_MSG_ERR;
986 EXPORT_SYMBOL(lustre_msg_get_type);
988 __u32 lustre_msg_get_version(struct lustre_msg *msg)
990 switch (msg->lm_magic) {
991 case LUSTRE_MSG_MAGIC_V2: {
992 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
994 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
997 return pb->pb_version;
1000 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1004 EXPORT_SYMBOL(lustre_msg_get_version);
1006 void lustre_msg_add_version(struct lustre_msg *msg, int version)
1008 switch (msg->lm_magic) {
1009 case LUSTRE_MSG_MAGIC_V2: {
1010 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1011 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1012 pb->pb_version |= version;
1016 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1019 EXPORT_SYMBOL(lustre_msg_add_version);
1021 __u32 lustre_msg_get_opc(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);
1027 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1033 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1038 EXPORT_SYMBOL(lustre_msg_get_opc);
1040 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1042 switch (msg->lm_magic) {
1043 case LUSTRE_MSG_MAGIC_V2: {
1044 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1046 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1049 return pb->pb_last_xid;
1052 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1056 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1058 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1060 switch (msg->lm_magic) {
1061 case LUSTRE_MSG_MAGIC_V2: {
1062 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1064 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1067 return pb->pb_last_committed;
1070 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1074 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1076 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1078 switch (msg->lm_magic) {
1079 case LUSTRE_MSG_MAGIC_V1:
1081 case LUSTRE_MSG_MAGIC_V2: {
1082 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1084 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1087 return pb->pb_pre_versions;
1090 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1094 EXPORT_SYMBOL(lustre_msg_get_versions);
1096 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1098 switch (msg->lm_magic) {
1099 case LUSTRE_MSG_MAGIC_V2: {
1100 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1102 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1105 return pb->pb_transno;
1108 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1112 EXPORT_SYMBOL(lustre_msg_get_transno);
1114 int lustre_msg_get_status(struct lustre_msg *msg)
1116 switch (msg->lm_magic) {
1117 case LUSTRE_MSG_MAGIC_V2: {
1118 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1120 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1123 return pb->pb_status;
1126 /* status might be printed in debug code while message
1131 EXPORT_SYMBOL(lustre_msg_get_status);
1133 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1135 switch (msg->lm_magic) {
1136 case LUSTRE_MSG_MAGIC_V2: {
1137 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1139 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1145 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1149 EXPORT_SYMBOL(lustre_msg_get_slv);
1152 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1154 switch (msg->lm_magic) {
1155 case LUSTRE_MSG_MAGIC_V2: {
1156 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1158 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1165 CERROR("invalid msg magic %x\n", msg->lm_magic);
1169 EXPORT_SYMBOL(lustre_msg_set_slv);
1171 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1173 switch (msg->lm_magic) {
1174 case LUSTRE_MSG_MAGIC_V2: {
1175 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1177 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1180 return pb->pb_limit;
1183 CERROR("invalid msg magic %x\n", msg->lm_magic);
1187 EXPORT_SYMBOL(lustre_msg_get_limit);
1190 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1192 switch (msg->lm_magic) {
1193 case LUSTRE_MSG_MAGIC_V2: {
1194 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1196 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1199 pb->pb_limit = limit;
1203 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1207 EXPORT_SYMBOL(lustre_msg_set_limit);
1209 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1211 switch (msg->lm_magic) {
1212 case LUSTRE_MSG_MAGIC_V2: {
1213 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1215 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1218 return pb->pb_conn_cnt;
1221 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1225 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1227 int lustre_msg_is_v1(struct lustre_msg *msg)
1229 switch (msg->lm_magic) {
1230 case LUSTRE_MSG_MAGIC_V1:
1231 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1237 EXPORT_SYMBOL(lustre_msg_is_v1);
1239 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1241 switch (msg->lm_magic) {
1242 case LUSTRE_MSG_MAGIC_V2:
1243 return msg->lm_magic;
1245 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1249 EXPORT_SYMBOL(lustre_msg_get_magic);
1251 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1253 switch (msg->lm_magic) {
1254 case LUSTRE_MSG_MAGIC_V1:
1255 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1257 case LUSTRE_MSG_MAGIC_V2: {
1258 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1260 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1264 return pb->pb_timeout;
1267 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1272 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1274 switch (msg->lm_magic) {
1275 case LUSTRE_MSG_MAGIC_V1:
1276 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1278 case LUSTRE_MSG_MAGIC_V2: {
1279 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1281 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1285 return pb->pb_service_time;
1288 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1293 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1295 switch (msg->lm_magic) {
1296 case LUSTRE_MSG_MAGIC_V1:
1297 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1299 case LUSTRE_MSG_MAGIC_V2: {
1300 struct ptlrpc_body *pb =
1301 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1302 sizeof(struct ptlrpc_body));
1306 return pb->pb_jobid;
1309 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1313 EXPORT_SYMBOL(lustre_msg_get_jobid);
1315 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1317 switch (msg->lm_magic) {
1318 case LUSTRE_MSG_MAGIC_V2:
1319 return msg->lm_cksum;
1321 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1326 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0)
1328 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1329 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1330 * more sense to compute the checksum on the full ptlrpc_body, regardless
1331 * of what size it is, but in order to keep interoperability with 1.8 we
1332 * can optionally also checksum only the first 88 bytes (caller decides). */
1333 # define ptlrpc_body_cksum_size_compat18 88
1335 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1337 # warning "remove checksum compatibility support for b1_8"
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, 50, 0)
1346 unsigned int hsize = 4;
1347 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1348 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1349 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1350 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1351 len, NULL, 0, (unsigned char *)&crc,
1355 # warning "remove checksum compatibility support for b1_8"
1357 unsigned int hsize = 4;
1358 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1359 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF),
1360 NULL, 0, (unsigned char *)&crc, &hsize);
1365 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1370 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1372 switch (msg->lm_magic) {
1373 case LUSTRE_MSG_MAGIC_V2: {
1374 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1375 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1376 pb->pb_handle = *handle;
1380 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1383 EXPORT_SYMBOL(lustre_msg_set_handle);
1385 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1387 switch (msg->lm_magic) {
1388 case LUSTRE_MSG_MAGIC_V2: {
1389 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1390 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1395 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1398 EXPORT_SYMBOL(lustre_msg_set_type);
1400 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1402 switch (msg->lm_magic) {
1403 case LUSTRE_MSG_MAGIC_V2: {
1404 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1405 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1410 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1413 EXPORT_SYMBOL(lustre_msg_set_opc);
1415 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1417 switch (msg->lm_magic) {
1418 case LUSTRE_MSG_MAGIC_V2: {
1419 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1420 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1421 pb->pb_last_xid = last_xid;
1425 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1428 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1430 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1432 switch (msg->lm_magic) {
1433 case LUSTRE_MSG_MAGIC_V2: {
1434 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1435 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1436 pb->pb_last_committed = last_committed;
1440 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1443 EXPORT_SYMBOL(lustre_msg_set_last_committed);
1445 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1447 switch (msg->lm_magic) {
1448 case LUSTRE_MSG_MAGIC_V1:
1450 case LUSTRE_MSG_MAGIC_V2: {
1451 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1452 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1453 pb->pb_pre_versions[0] = versions[0];
1454 pb->pb_pre_versions[1] = versions[1];
1455 pb->pb_pre_versions[2] = versions[2];
1456 pb->pb_pre_versions[3] = versions[3];
1460 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1463 EXPORT_SYMBOL(lustre_msg_set_versions);
1465 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1467 switch (msg->lm_magic) {
1468 case LUSTRE_MSG_MAGIC_V2: {
1469 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1470 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1471 pb->pb_transno = transno;
1475 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1478 EXPORT_SYMBOL(lustre_msg_set_transno);
1480 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1482 switch (msg->lm_magic) {
1483 case LUSTRE_MSG_MAGIC_V2: {
1484 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1485 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1486 pb->pb_status = status;
1490 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1493 EXPORT_SYMBOL(lustre_msg_set_status);
1495 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1497 switch (msg->lm_magic) {
1498 case LUSTRE_MSG_MAGIC_V2: {
1499 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1500 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1501 pb->pb_conn_cnt = conn_cnt;
1505 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1508 EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
1510 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1512 switch (msg->lm_magic) {
1513 case LUSTRE_MSG_MAGIC_V1:
1515 case LUSTRE_MSG_MAGIC_V2: {
1516 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1517 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1518 pb->pb_timeout = timeout;
1522 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1526 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1528 switch (msg->lm_magic) {
1529 case LUSTRE_MSG_MAGIC_V1:
1531 case LUSTRE_MSG_MAGIC_V2: {
1532 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1533 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1534 pb->pb_service_time = service_time;
1538 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1542 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1544 switch (msg->lm_magic) {
1545 case LUSTRE_MSG_MAGIC_V1:
1547 case LUSTRE_MSG_MAGIC_V2: {
1548 __u32 opc = lustre_msg_get_opc(msg);
1549 struct ptlrpc_body *pb;
1551 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1552 * See the comment in ptlrpc_request_pack(). */
1553 if (!opc || opc == LDLM_BL_CALLBACK ||
1554 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1557 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1558 sizeof(struct ptlrpc_body));
1559 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1562 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1563 else if (pb->pb_jobid[0] == '\0')
1564 lustre_get_jobid(pb->pb_jobid);
1568 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1571 EXPORT_SYMBOL(lustre_msg_set_jobid);
1573 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1575 switch (msg->lm_magic) {
1576 case LUSTRE_MSG_MAGIC_V1:
1578 case LUSTRE_MSG_MAGIC_V2:
1579 msg->lm_cksum = cksum;
1582 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1587 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1589 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1591 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1592 req->rq_pill.rc_area[RCL_SERVER]);
1593 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1594 req->rq_reqmsg->lm_repsize = req->rq_replen;
1596 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1598 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1600 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1601 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1602 req->rq_reqmsg->lm_repsize = req->rq_replen;
1604 EXPORT_SYMBOL(ptlrpc_req_set_repsize);
1607 * Send a remote set_info_async.
1609 * This may go from client to server or server to client.
1611 int do_set_info_async(struct obd_import *imp,
1612 int opcode, int version,
1613 obd_count keylen, void *key,
1614 obd_count vallen, void *val,
1615 struct ptlrpc_request_set *set)
1617 struct ptlrpc_request *req;
1622 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1626 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1627 RCL_CLIENT, keylen);
1628 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1629 RCL_CLIENT, vallen);
1630 rc = ptlrpc_request_pack(req, version, opcode);
1632 ptlrpc_request_free(req);
1636 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1637 memcpy(tmp, key, keylen);
1638 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1639 memcpy(tmp, val, vallen);
1641 ptlrpc_request_set_replen(req);
1644 ptlrpc_set_add_req(set, req);
1645 ptlrpc_check_set(NULL, set);
1647 rc = ptlrpc_queue_wait(req);
1648 ptlrpc_req_finished(req);
1653 EXPORT_SYMBOL(do_set_info_async);
1655 /* byte flipping routines for all wire types declared in
1656 * lustre_idl.h implemented here.
1658 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1660 __swab32s (&b->pb_type);
1661 __swab32s (&b->pb_version);
1662 __swab32s (&b->pb_opc);
1663 __swab32s (&b->pb_status);
1664 __swab64s (&b->pb_last_xid);
1665 __swab64s (&b->pb_last_seen);
1666 __swab64s (&b->pb_last_committed);
1667 __swab64s (&b->pb_transno);
1668 __swab32s (&b->pb_flags);
1669 __swab32s (&b->pb_op_flags);
1670 __swab32s (&b->pb_conn_cnt);
1671 __swab32s (&b->pb_timeout);
1672 __swab32s (&b->pb_service_time);
1673 __swab32s (&b->pb_limit);
1674 __swab64s (&b->pb_slv);
1675 __swab64s (&b->pb_pre_versions[0]);
1676 __swab64s (&b->pb_pre_versions[1]);
1677 __swab64s (&b->pb_pre_versions[2]);
1678 __swab64s (&b->pb_pre_versions[3]);
1679 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1680 /* While we need to maintain compatibility between
1681 * clients and servers without ptlrpc_body_v2 (< 2.3)
1682 * do not swab any fields beyond pb_jobid, as we are
1683 * using this swab function for both ptlrpc_body
1684 * and ptlrpc_body_v2. */
1685 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1687 EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
1689 void lustre_swab_connect(struct obd_connect_data *ocd)
1691 __swab64s(&ocd->ocd_connect_flags);
1692 __swab32s(&ocd->ocd_version);
1693 __swab32s(&ocd->ocd_grant);
1694 __swab64s(&ocd->ocd_ibits_known);
1695 __swab32s(&ocd->ocd_index);
1696 __swab32s(&ocd->ocd_brw_size);
1697 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1698 * they are 8-byte values */
1699 __swab16s(&ocd->ocd_grant_extent);
1700 __swab32s(&ocd->ocd_unused);
1701 __swab64s(&ocd->ocd_transno);
1702 __swab32s(&ocd->ocd_group);
1703 __swab32s(&ocd->ocd_cksum_types);
1704 __swab32s(&ocd->ocd_instance);
1705 /* Fields after ocd_cksum_types are only accessible by the receiver
1706 * if the corresponding flag in ocd_connect_flags is set. Accessing
1707 * any field after ocd_maxbytes on the receiver without a valid flag
1708 * may result in out-of-bound memory access and kernel oops. */
1709 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1710 __swab32s(&ocd->ocd_max_easize);
1711 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1712 __swab64s(&ocd->ocd_maxbytes);
1713 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1714 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1715 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1716 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1717 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1718 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1719 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1720 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1721 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1722 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1723 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1724 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1725 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1726 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1727 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1730 void lustre_swab_obdo (struct obdo *o)
1732 __swab64s (&o->o_valid);
1733 __swab64s (&o->o_id);
1734 __swab64s (&o->o_seq);
1735 __swab64s (&o->o_parent_seq);
1736 __swab64s (&o->o_size);
1737 __swab64s (&o->o_mtime);
1738 __swab64s (&o->o_atime);
1739 __swab64s (&o->o_ctime);
1740 __swab64s (&o->o_blocks);
1741 __swab64s (&o->o_grant);
1742 __swab32s (&o->o_blksize);
1743 __swab32s (&o->o_mode);
1744 __swab32s (&o->o_uid);
1745 __swab32s (&o->o_gid);
1746 __swab32s (&o->o_flags);
1747 __swab32s (&o->o_nlink);
1748 __swab32s (&o->o_parent_oid);
1749 __swab32s (&o->o_misc);
1750 __swab64s (&o->o_ioepoch);
1751 __swab32s (&o->o_stripe_idx);
1752 __swab32s (&o->o_parent_ver);
1753 /* o_handle is opaque */
1754 /* o_lcookie is swabbed elsewhere */
1755 __swab32s (&o->o_uid_h);
1756 __swab32s (&o->o_gid_h);
1757 __swab64s (&o->o_data_version);
1758 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1759 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1760 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1763 EXPORT_SYMBOL(lustre_swab_obdo);
1765 void lustre_swab_obd_statfs (struct obd_statfs *os)
1767 __swab64s (&os->os_type);
1768 __swab64s (&os->os_blocks);
1769 __swab64s (&os->os_bfree);
1770 __swab64s (&os->os_bavail);
1771 __swab64s (&os->os_files);
1772 __swab64s (&os->os_ffree);
1773 /* no need to swab os_fsid */
1774 __swab32s (&os->os_bsize);
1775 __swab32s (&os->os_namelen);
1776 __swab64s (&os->os_maxbytes);
1777 __swab32s (&os->os_state);
1778 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1779 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1780 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1781 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1782 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1783 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1784 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1785 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1786 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1788 EXPORT_SYMBOL(lustre_swab_obd_statfs);
1790 void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
1792 __swab64s (&ioo->ioo_id);
1793 __swab64s (&ioo->ioo_seq);
1794 __swab32s (&ioo->ioo_type);
1795 __swab32s (&ioo->ioo_bufcnt);
1797 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
1799 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1801 __swab64s (&nbr->offset);
1802 __swab32s (&nbr->len);
1803 __swab32s (&nbr->flags);
1805 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
1807 void lustre_swab_ost_body (struct ost_body *b)
1809 lustre_swab_obdo (&b->oa);
1811 EXPORT_SYMBOL(lustre_swab_ost_body);
1813 void lustre_swab_ost_last_id(obd_id *id)
1817 EXPORT_SYMBOL(lustre_swab_ost_last_id);
1819 void lustre_swab_generic_32s(__u32 *val)
1823 EXPORT_SYMBOL(lustre_swab_generic_32s);
1825 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1827 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1828 __swab64s(&desc->lquota_desc.gl_flags);
1829 __swab64s(&desc->lquota_desc.gl_ver);
1830 __swab64s(&desc->lquota_desc.gl_hardlimit);
1831 __swab64s(&desc->lquota_desc.gl_softlimit);
1832 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad1) != 0);
1833 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1836 void lustre_swab_lvb(union ldlm_wire_lvb *lvb)
1838 /* The ldlm_wire_lvb union represents all the possible LVB types.
1839 * Unfortunately, there is no way to know what member of the union we
1840 * are dealing with at this point. Therefore, all LVB structures must
1841 * have fields of the same types, although used for different purposes
1843 __swab64s(&lvb->l_ost.lvb_size);
1844 __swab64s(&lvb->l_ost.lvb_mtime);
1845 __swab64s(&lvb->l_ost.lvb_atime);
1846 __swab64s(&lvb->l_ost.lvb_ctime);
1847 __swab64s(&lvb->l_ost.lvb_blocks);
1849 EXPORT_SYMBOL(lustre_swab_lvb);
1851 void lustre_swab_mdt_body (struct mdt_body *b)
1853 lustre_swab_lu_fid (&b->fid1);
1854 lustre_swab_lu_fid (&b->fid2);
1855 /* handle is opaque */
1856 __swab64s (&b->valid);
1857 __swab64s (&b->size);
1858 __swab64s (&b->mtime);
1859 __swab64s (&b->atime);
1860 __swab64s (&b->ctime);
1861 __swab64s (&b->blocks);
1862 __swab64s (&b->ioepoch);
1863 __swab64s (&b->ino);
1864 __swab32s (&b->fsuid);
1865 __swab32s (&b->fsgid);
1866 __swab32s (&b->capability);
1867 __swab32s (&b->mode);
1868 __swab32s (&b->uid);
1869 __swab32s (&b->gid);
1870 __swab32s (&b->flags);
1871 __swab32s (&b->rdev);
1872 __swab32s (&b->nlink);
1873 __swab32s (&b->generation);
1874 __swab32s (&b->suppgid);
1875 __swab32s (&b->eadatasize);
1876 __swab32s (&b->aclsize);
1877 __swab32s (&b->max_mdsize);
1878 __swab32s (&b->max_cookiesize);
1879 __swab32s (&b->uid_h);
1880 __swab32s (&b->gid_h);
1881 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1883 EXPORT_SYMBOL(lustre_swab_mdt_body);
1885 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1887 /* handle is opaque */
1888 __swab64s (&b->ioepoch);
1889 __swab32s (&b->flags);
1890 CLASSERT(offsetof(typeof(*b), padding) != 0);
1892 EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
1894 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1897 __swab32s(&mti->mti_lustre_ver);
1898 __swab32s(&mti->mti_stripe_index);
1899 __swab32s(&mti->mti_config_ver);
1900 __swab32s(&mti->mti_flags);
1901 __swab32s(&mti->mti_instance);
1902 __swab32s(&mti->mti_nid_count);
1903 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1904 for (i = 0; i < MTI_NIDS_MAX; i++)
1905 __swab64s(&mti->mti_nids[i]);
1907 EXPORT_SYMBOL(lustre_swab_mgs_target_info);
1909 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1913 __swab64s(&entry->mne_version);
1914 __swab32s(&entry->mne_instance);
1915 __swab32s(&entry->mne_index);
1916 __swab32s(&entry->mne_length);
1918 /* mne_nid_(count|type) must be one byte size because we're gonna
1919 * access it w/o swapping. */
1920 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1921 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1923 /* remove this assertion if ipv6 is supported. */
1924 LASSERT(entry->mne_nid_type == 0);
1925 for (i = 0; i < entry->mne_nid_count; i++) {
1926 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1927 __swab64s(&entry->u.nids[i]);
1930 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1932 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1934 __swab64s(&body->mcb_offset);
1935 __swab32s(&body->mcb_units);
1936 __swab16s(&body->mcb_type);
1938 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1940 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1942 __swab64s(&body->mcr_offset);
1943 __swab64s(&body->mcr_size);
1945 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1947 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1949 __swab64s (&i->dqi_bgrace);
1950 __swab64s (&i->dqi_igrace);
1951 __swab32s (&i->dqi_flags);
1952 __swab32s (&i->dqi_valid);
1955 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1957 __swab64s (&b->dqb_ihardlimit);
1958 __swab64s (&b->dqb_isoftlimit);
1959 __swab64s (&b->dqb_curinodes);
1960 __swab64s (&b->dqb_bhardlimit);
1961 __swab64s (&b->dqb_bsoftlimit);
1962 __swab64s (&b->dqb_curspace);
1963 __swab64s (&b->dqb_btime);
1964 __swab64s (&b->dqb_itime);
1965 __swab32s (&b->dqb_valid);
1966 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1969 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1971 __swab32s (&q->qc_cmd);
1972 __swab32s (&q->qc_type);
1973 __swab32s (&q->qc_id);
1974 __swab32s (&q->qc_stat);
1975 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1976 lustre_swab_obd_dqblk (&q->qc_dqblk);
1978 EXPORT_SYMBOL(lustre_swab_obd_quotactl);
1980 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1982 __swab32s (&p->rp_uid);
1983 __swab32s (&p->rp_gid);
1984 __swab32s (&p->rp_fsuid);
1985 __swab32s (&p->rp_fsuid_h);
1986 __swab32s (&p->rp_fsgid);
1987 __swab32s (&p->rp_fsgid_h);
1988 __swab32s (&p->rp_access_perm);
1989 __swab32s (&p->rp_padding);
1991 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
1993 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1995 lustre_swab_lu_fid(&gf->gf_fid);
1996 __swab64s(&gf->gf_recno);
1997 __swab32s(&gf->gf_linkno);
1998 __swab32s(&gf->gf_pathlen);
2000 EXPORT_SYMBOL(lustre_swab_fid2path);
2002 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
2004 __swab64s(&fm_extent->fe_logical);
2005 __swab64s(&fm_extent->fe_physical);
2006 __swab64s(&fm_extent->fe_length);
2007 __swab32s(&fm_extent->fe_flags);
2008 __swab32s(&fm_extent->fe_device);
2011 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
2015 __swab64s(&fiemap->fm_start);
2016 __swab64s(&fiemap->fm_length);
2017 __swab32s(&fiemap->fm_flags);
2018 __swab32s(&fiemap->fm_mapped_extents);
2019 __swab32s(&fiemap->fm_extent_count);
2020 __swab32s(&fiemap->fm_reserved);
2022 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2023 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2025 EXPORT_SYMBOL(lustre_swab_fiemap);
2027 void lustre_swab_idx_info(struct idx_info *ii)
2029 __swab32s(&ii->ii_magic);
2030 __swab32s(&ii->ii_flags);
2031 __swab16s(&ii->ii_count);
2032 __swab32s(&ii->ii_attrs);
2033 lustre_swab_lu_fid(&ii->ii_fid);
2034 __swab64s(&ii->ii_version);
2035 __swab64s(&ii->ii_hash_start);
2036 __swab64s(&ii->ii_hash_end);
2037 __swab16s(&ii->ii_keysize);
2038 __swab16s(&ii->ii_recsize);
2041 void lustre_swab_lip_header(struct lu_idxpage *lip)
2044 __swab32s(&lip->lip_magic);
2045 __swab16s(&lip->lip_flags);
2046 __swab16s(&lip->lip_nr);
2048 EXPORT_SYMBOL(lustre_swab_lip_header);
2050 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2052 __swab32s (&rr->rr_opcode);
2053 __swab32s (&rr->rr_cap);
2054 __swab32s (&rr->rr_fsuid);
2055 /* rr_fsuid_h is unused */
2056 __swab32s (&rr->rr_fsgid);
2057 /* rr_fsgid_h is unused */
2058 __swab32s (&rr->rr_suppgid1);
2059 /* rr_suppgid1_h is unused */
2060 __swab32s (&rr->rr_suppgid2);
2061 /* rr_suppgid2_h is unused */
2062 lustre_swab_lu_fid (&rr->rr_fid1);
2063 lustre_swab_lu_fid (&rr->rr_fid2);
2064 __swab64s (&rr->rr_mtime);
2065 __swab64s (&rr->rr_atime);
2066 __swab64s (&rr->rr_ctime);
2067 __swab64s (&rr->rr_size);
2068 __swab64s (&rr->rr_blocks);
2069 __swab32s (&rr->rr_bias);
2070 __swab32s (&rr->rr_mode);
2071 __swab32s (&rr->rr_flags);
2073 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
2074 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
2075 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2077 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
2079 void lustre_swab_lov_desc (struct lov_desc *ld)
2081 __swab32s (&ld->ld_tgt_count);
2082 __swab32s (&ld->ld_active_tgt_count);
2083 __swab32s (&ld->ld_default_stripe_count);
2084 __swab32s (&ld->ld_pattern);
2085 __swab64s (&ld->ld_default_stripe_size);
2086 __swab64s (&ld->ld_default_stripe_offset);
2087 __swab32s (&ld->ld_qos_maxage);
2088 /* uuid endian insensitive */
2090 EXPORT_SYMBOL(lustre_swab_lov_desc);
2092 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2094 __swab32s (&ld->ld_tgt_count);
2095 __swab32s (&ld->ld_active_tgt_count);
2096 __swab32s (&ld->ld_default_stripe_count);
2097 __swab32s (&ld->ld_pattern);
2098 __swab64s (&ld->ld_default_hash_size);
2099 __swab32s (&ld->ld_qos_maxage);
2100 /* uuid endian insensitive */
2103 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
2105 __swab32s(&mea->mea_magic);
2106 __swab32s(&mea->mea_count);
2107 __swab32s(&mea->mea_master);
2108 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
2112 static void print_lum (struct lov_user_md *lum)
2114 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
2115 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
2116 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2117 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
2118 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_seq);
2119 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2120 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2121 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2122 lum->u.lum_stripe_offset);
2125 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2128 __swab32s(&lum->lmm_magic);
2129 __swab32s(&lum->lmm_pattern);
2130 __swab64s(&lum->lmm_object_id);
2131 __swab64s(&lum->lmm_object_seq);
2132 __swab32s(&lum->lmm_stripe_size);
2133 __swab16s(&lum->lmm_stripe_count);
2134 __swab16s(&lum->u.lum_stripe_offset);
2139 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2142 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2143 lustre_swab_lov_user_md_common(lum);
2146 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2148 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2151 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2152 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2153 /* lmm_pool_name nothing to do with char */
2156 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2158 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2161 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2162 __swab32s(&lmm->lmm_magic);
2163 __swab32s(&lmm->lmm_pattern);
2164 __swab64s(&lmm->lmm_object_id);
2165 __swab64s(&lmm->lmm_object_seq);
2166 __swab32s(&lmm->lmm_stripe_size);
2167 __swab16s(&lmm->lmm_stripe_count);
2168 __swab16s(&lmm->lmm_layout_gen);
2171 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2173 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2178 for (i = 0; i < stripe_count; i++) {
2179 __swab64s(&(lod[i].l_object_id));
2180 __swab64s(&(lod[i].l_object_seq));
2181 __swab32s(&(lod[i].l_ost_gen));
2182 __swab32s(&(lod[i].l_ost_idx));
2186 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2188 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2192 for (i = 0; i < RES_NAME_SIZE; i++)
2193 __swab64s (&id->name[i]);
2195 EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
2197 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2199 /* the lock data is a union and the first two fields are always an
2200 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2201 * data the same way. */
2202 __swab64s(&d->l_extent.start);
2203 __swab64s(&d->l_extent.end);
2204 __swab64s(&d->l_extent.gid);
2205 __swab64s(&d->l_flock.lfw_owner);
2206 __swab32s(&d->l_flock.lfw_pid);
2208 EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
2210 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2212 __swab64s (&i->opc);
2214 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
2216 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2218 __swab32s (&r->lr_type);
2219 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2220 lustre_swab_ldlm_res_id (&r->lr_name);
2222 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
2224 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2226 lustre_swab_ldlm_resource_desc (&l->l_resource);
2227 __swab32s (&l->l_req_mode);
2228 __swab32s (&l->l_granted_mode);
2229 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2231 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
2233 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2235 __swab32s (&rq->lock_flags);
2236 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2237 __swab32s (&rq->lock_count);
2238 /* lock_handle[] opaque */
2240 EXPORT_SYMBOL(lustre_swab_ldlm_request);
2242 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2244 __swab32s (&r->lock_flags);
2245 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2246 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2247 /* lock_handle opaque */
2248 __swab64s (&r->lock_policy_res1);
2249 __swab64s (&r->lock_policy_res2);
2251 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
2253 /* no one calls this */
2254 int llog_log_swabbed(struct llog_log_hdr *hdr)
2256 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
2258 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
2263 void lustre_swab_quota_body(struct quota_body *b)
2265 lustre_swab_lu_fid(&b->qb_fid);
2266 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2267 __swab32s(&b->qb_flags);
2268 __swab64s(&b->qb_count);
2269 __swab64s(&b->qb_usage);
2270 __swab64s(&b->qb_slv_ver);
2273 /* Dump functions */
2274 void dump_ioo(struct obd_ioobj *ioo)
2277 "obd_ioobj: ioo_id="LPD64", ioo_seq="LPD64", ioo_type=%d, "
2278 "ioo_bufct=%d\n", ioo->ioo_id, ioo->ioo_seq, ioo->ioo_type,
2281 EXPORT_SYMBOL(dump_ioo);
2283 void dump_rniobuf(struct niobuf_remote *nb)
2285 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2286 nb->offset, nb->len, nb->flags);
2288 EXPORT_SYMBOL(dump_rniobuf);
2290 void dump_obdo(struct obdo *oa)
2292 __u32 valid = oa->o_valid;
2294 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2295 if (valid & OBD_MD_FLID)
2296 CDEBUG(D_RPCTRACE, "obdo: o_id = "LPD64"\n", oa->o_id);
2297 if (valid & OBD_MD_FLGROUP)
2298 CDEBUG(D_RPCTRACE, "obdo: o_seq = "LPD64"\n", oa->o_seq);
2299 if (valid & OBD_MD_FLFID)
2300 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2302 if (valid & OBD_MD_FLSIZE)
2303 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2304 if (valid & OBD_MD_FLMTIME)
2305 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2306 if (valid & OBD_MD_FLATIME)
2307 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2308 if (valid & OBD_MD_FLCTIME)
2309 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2310 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2311 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2312 if (valid & OBD_MD_FLGRANT)
2313 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2314 if (valid & OBD_MD_FLBLKSZ)
2315 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2316 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2317 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2318 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2319 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2320 if (valid & OBD_MD_FLUID)
2321 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2322 if (valid & OBD_MD_FLUID)
2323 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2324 if (valid & OBD_MD_FLGID)
2325 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2326 if (valid & OBD_MD_FLGID)
2327 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2328 if (valid & OBD_MD_FLFLAGS)
2329 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2330 if (valid & OBD_MD_FLNLINK)
2331 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2332 else if (valid & OBD_MD_FLCKSUM)
2333 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2335 if (valid & OBD_MD_FLGENER)
2336 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2338 if (valid & OBD_MD_FLEPOCH)
2339 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2341 if (valid & OBD_MD_FLFID) {
2342 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2344 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2347 if (valid & OBD_MD_FLHANDLE)
2348 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2349 oa->o_handle.cookie);
2350 if (valid & OBD_MD_FLCOOKIE)
2351 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2352 "(llog_cookie dumping not yet implemented)\n");
2354 EXPORT_SYMBOL(dump_obdo);
2356 void dump_ost_body(struct ost_body *ob)
2360 EXPORT_SYMBOL(dump_ost_body);
2362 void dump_rcs(__u32 *rc)
2364 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2366 EXPORT_SYMBOL(dump_rcs);
2368 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2370 LASSERT(req->rq_reqmsg);
2372 switch (req->rq_reqmsg->lm_magic) {
2373 case LUSTRE_MSG_MAGIC_V2:
2374 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2376 CERROR("bad lustre msg magic: %#08X\n",
2377 req->rq_reqmsg->lm_magic);
2382 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2384 LASSERT(req->rq_repmsg);
2386 switch (req->rq_repmsg->lm_magic) {
2387 case LUSTRE_MSG_MAGIC_V2:
2388 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2390 /* uninitialized yet */
2395 void _debug_req(struct ptlrpc_request *req,
2396 struct libcfs_debug_msg_data *msgdata,
2397 const char *fmt, ... )
2399 int req_ok = req->rq_reqmsg != NULL;
2400 int rep_ok = req->rq_repmsg != NULL;
2401 lnet_nid_t nid = LNET_NID_ANY;
2404 if (ptlrpc_req_need_swab(req)) {
2405 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2406 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2409 if (req->rq_import && req->rq_import->imp_connection)
2410 nid = req->rq_import->imp_connection->c_peer.nid;
2411 else if (req->rq_export && req->rq_export->exp_connection)
2412 nid = req->rq_export->exp_connection->c_peer.nid;
2414 va_start(args, fmt);
2415 libcfs_debug_vmsg2(msgdata, fmt, args,
2416 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2417 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2418 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2419 req, req->rq_xid, req->rq_transno,
2420 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2421 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2423 req->rq_import->imp_obd->obd_name :
2425 req->rq_export->exp_client_uuid.uuid :
2427 libcfs_nid2str(nid),
2428 req->rq_request_portal, req->rq_reply_portal,
2429 req->rq_reqlen, req->rq_replen,
2430 req->rq_early_count, req->rq_timedout,
2432 cfs_atomic_read(&req->rq_refcount),
2433 DEBUG_REQ_FLAGS(req),
2434 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2435 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2437 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2439 EXPORT_SYMBOL(_debug_req);
2441 void lustre_swab_lustre_capa(struct lustre_capa *c)
2443 lustre_swab_lu_fid(&c->lc_fid);
2444 __swab64s (&c->lc_opc);
2445 __swab64s (&c->lc_uid);
2446 __swab64s (&c->lc_gid);
2447 __swab32s (&c->lc_flags);
2448 __swab32s (&c->lc_keyid);
2449 __swab32s (&c->lc_timeout);
2450 __swab32s (&c->lc_expiry);
2452 EXPORT_SYMBOL(lustre_swab_lustre_capa);
2454 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2456 __swab64s (&k->lk_seq);
2457 __swab32s (&k->lk_keyid);
2458 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2460 EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
2462 void lustre_swab_hsm_state(struct hsm_state_set_ioc *hssi)
2464 lustre_swab_lu_fid(&hssi->hssi_fid);
2465 __swab64s(&hssi->hssi_setmask);
2466 __swab64s(&hssi->hssi_clearmask);
2468 EXPORT_SYMBOL(lustre_swab_hsm_state);
2470 void lustre_swab_hsm_user_request(struct hsm_user_request *hur)
2474 __swab32s(&hur->hur_action);
2475 __swab32s(&hur->hur_itemcount);
2476 __swab32s(&hur->hur_data_len);
2477 for (i = 0; i < hur->hur_itemcount; i++) {
2478 struct hsm_user_item *hui = &hur->hur_user_item[i];
2479 lustre_swab_lu_fid(&hui->hui_fid);
2480 __swab64s(&hui->hui_extent.offset);
2481 __swab64s(&hui->hui_extent.length);
2483 /* Note: data blob is not swabbed here */
2485 EXPORT_SYMBOL(lustre_swab_hsm_user_request);
2487 void lustre_swab_hsm_progress(struct hsm_progress *hp)
2489 lustre_swab_lu_fid(&hp->hp_fid);
2490 __swab64s(&hp->hp_cookie);
2491 __swab64s(&hp->hp_extent.offset);
2492 __swab64s(&hp->hp_extent.length);
2493 __swab16s(&hp->hp_flags);
2494 __swab16s(&hp->hp_errval);
2496 EXPORT_SYMBOL(lustre_swab_hsm_progress);