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);
85 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
89 return (ptlrpc_req_need_swab(req) &&
90 !lustre_req_swabbed(req, index));
92 return (ptlrpc_rep_need_swab(req) &&
93 !lustre_rep_swabbed(req, index));
96 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
99 __u32 ver = lustre_msg_get_version(msg);
100 return (ver & LUSTRE_VERSION_MASK) != version;
103 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
105 switch (msg->lm_magic) {
106 case LUSTRE_MSG_MAGIC_V1:
107 CERROR("msg v1 not supported - please upgrade you system\n");
109 case LUSTRE_MSG_MAGIC_V2:
110 return lustre_msg_check_version_v2(msg, version);
112 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
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);
176 /* This is used to determine the size of a buffer that was already packed
177 * and will correctly handle the different message formats. */
178 int lustre_packed_msg_size(struct lustre_msg *msg)
180 switch (msg->lm_magic) {
181 case LUSTRE_MSG_MAGIC_V2:
182 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
184 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
189 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
195 msg->lm_bufcount = count;
196 /* XXX: lm_secflvr uninitialized here */
197 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
199 for (i = 0; i < count; i++)
200 msg->lm_buflens[i] = lens[i];
205 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
206 for (i = 0; i < count; i++) {
208 LOGL(tmp, lens[i], ptr);
211 EXPORT_SYMBOL(lustre_init_msg_v2);
213 static int lustre_pack_request_v2(struct ptlrpc_request *req,
214 int count, __u32 *lens, char **bufs)
218 reqlen = lustre_msg_size_v2(count, lens);
220 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
224 req->rq_reqlen = reqlen;
226 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
227 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
231 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
232 __u32 *lens, char **bufs)
234 __u32 size[] = { sizeof(struct ptlrpc_body) };
242 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
244 /* only use new format, we don't need to be compatible with 1.4 */
245 magic = LUSTRE_MSG_MAGIC_V2;
248 case LUSTRE_MSG_MAGIC_V2:
249 return lustre_pack_request_v2(req, count, lens, bufs);
251 LASSERTF(0, "incorrect message magic: %08x\n", magic);
257 CFS_LIST_HEAD(ptlrpc_rs_debug_lru);
258 cfs_spinlock_t ptlrpc_rs_debug_lock;
260 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
262 cfs_spin_lock(&ptlrpc_rs_debug_lock); \
263 cfs_list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
264 cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
267 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
269 cfs_spin_lock(&ptlrpc_rs_debug_lock); \
270 cfs_list_del(&(rs)->rs_debug_list); \
271 cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
274 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
275 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
278 struct ptlrpc_reply_state *
279 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
281 struct ptlrpc_reply_state *rs = NULL;
283 cfs_spin_lock(&svcpt->scp_rep_lock);
285 /* See if we have anything in a pool, and wait if nothing */
286 while (cfs_list_empty(&svcpt->scp_rep_idle)) {
287 struct l_wait_info lwi;
290 cfs_spin_unlock(&svcpt->scp_rep_lock);
291 /* If we cannot get anything for some long time, we better
292 * bail out instead of waiting infinitely */
293 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
294 rc = l_wait_event(svcpt->scp_rep_waitq,
295 !cfs_list_empty(&svcpt->scp_rep_idle), &lwi);
298 cfs_spin_lock(&svcpt->scp_rep_lock);
301 rs = cfs_list_entry(svcpt->scp_rep_idle.next,
302 struct ptlrpc_reply_state, rs_list);
303 cfs_list_del(&rs->rs_list);
305 cfs_spin_unlock(&svcpt->scp_rep_lock);
308 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
309 rs->rs_svcpt = svcpt;
315 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
317 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
319 cfs_spin_lock(&svcpt->scp_rep_lock);
320 cfs_list_add(&rs->rs_list, &svcpt->scp_rep_idle);
321 cfs_spin_unlock(&svcpt->scp_rep_lock);
322 cfs_waitq_signal(&svcpt->scp_rep_waitq);
325 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
326 __u32 *lens, char **bufs, int flags)
328 struct ptlrpc_reply_state *rs;
332 LASSERT(req->rq_reply_state == NULL);
334 if ((flags & LPRFL_EARLY_REPLY) == 0) {
335 cfs_spin_lock(&req->rq_lock);
336 req->rq_packed_final = 1;
337 cfs_spin_unlock(&req->rq_lock);
340 msg_len = lustre_msg_size_v2(count, lens);
341 rc = sptlrpc_svc_alloc_rs(req, msg_len);
345 rs = req->rq_reply_state;
346 cfs_atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
347 rs->rs_cb_id.cbid_fn = reply_out_callback;
348 rs->rs_cb_id.cbid_arg = rs;
349 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
350 CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
351 CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
352 CFS_INIT_LIST_HEAD(&rs->rs_list);
353 cfs_spin_lock_init(&rs->rs_lock);
355 req->rq_replen = msg_len;
356 req->rq_reply_state = rs;
357 req->rq_repmsg = rs->rs_msg;
359 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
360 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
362 PTLRPC_RS_DEBUG_LRU_ADD(rs);
366 EXPORT_SYMBOL(lustre_pack_reply_v2);
368 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
369 char **bufs, int flags)
372 __u32 size[] = { sizeof(struct ptlrpc_body) };
380 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
382 switch (req->rq_reqmsg->lm_magic) {
383 case LUSTRE_MSG_MAGIC_V2:
384 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
387 LASSERTF(0, "incorrect message magic: %08x\n",
388 req->rq_reqmsg->lm_magic);
392 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
393 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
397 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
400 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
403 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
405 int i, offset, buflen, bufcount;
410 bufcount = m->lm_bufcount;
411 if (unlikely(n >= bufcount)) {
412 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
417 buflen = m->lm_buflens[n];
418 if (unlikely(buflen < min_size)) {
419 CERROR("msg %p buffer[%d] size %d too small "
420 "(required %d, opc=%d)\n", m, n, buflen, min_size,
421 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
425 offset = lustre_msg_hdr_size_v2(bufcount);
426 for (i = 0; i < n; i++)
427 offset += cfs_size_round(m->lm_buflens[i]);
429 return (char *)m + offset;
432 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
434 switch (m->lm_magic) {
435 case LUSTRE_MSG_MAGIC_V2:
436 return lustre_msg_buf_v2(m, n, min_size);
438 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
443 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
444 unsigned int newlen, int move_data)
446 char *tail = NULL, *newpos;
450 LASSERT(msg->lm_bufcount > segment);
451 LASSERT(msg->lm_buflens[segment] >= newlen);
453 if (msg->lm_buflens[segment] == newlen)
456 if (move_data && msg->lm_bufcount > segment + 1) {
457 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
458 for (n = segment + 1; n < msg->lm_bufcount; n++)
459 tail_len += cfs_size_round(msg->lm_buflens[n]);
462 msg->lm_buflens[segment] = newlen;
464 if (tail && tail_len) {
465 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
466 LASSERT(newpos <= tail);
468 memmove(newpos, tail, tail_len);
471 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
475 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
476 * we also move data forward from @segment + 1.
478 * if @newlen == 0, we remove the segment completely, but we still keep the
479 * totally bufcount the same to save possible data moving. this will leave a
480 * unused segment with size 0 at the tail, but that's ok.
482 * return new msg size after shrinking.
485 * + if any buffers higher than @segment has been filled in, must call shrink
486 * with non-zero @move_data.
487 * + caller should NOT keep pointers to msg buffers which higher than @segment
490 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
491 unsigned int newlen, int move_data)
493 switch (msg->lm_magic) {
494 case LUSTRE_MSG_MAGIC_V2:
495 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
497 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
501 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
503 PTLRPC_RS_DEBUG_LRU_DEL(rs);
505 LASSERT (cfs_atomic_read(&rs->rs_refcount) == 0);
506 LASSERT (!rs->rs_difficult || rs->rs_handled);
507 LASSERT (!rs->rs_on_net);
508 LASSERT (!rs->rs_scheduled);
509 LASSERT (rs->rs_export == NULL);
510 LASSERT (rs->rs_nlocks == 0);
511 LASSERT (cfs_list_empty(&rs->rs_exp_list));
512 LASSERT (cfs_list_empty(&rs->rs_obd_list));
514 sptlrpc_svc_free_rs(rs);
517 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
519 int swabbed, required_len, i;
521 /* Now we know the sender speaks my language. */
522 required_len = lustre_msg_hdr_size_v2(0);
523 if (len < required_len) {
524 /* can't even look inside the message */
525 CERROR("message length %d too small for lustre_msg\n", len);
529 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
532 __swab32s(&m->lm_magic);
533 __swab32s(&m->lm_bufcount);
534 __swab32s(&m->lm_secflvr);
535 __swab32s(&m->lm_repsize);
536 __swab32s(&m->lm_cksum);
537 __swab32s(&m->lm_flags);
538 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
539 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
542 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
543 if (len < required_len) {
544 /* didn't receive all the buffer lengths */
545 CERROR ("message length %d too small for %d buflens\n",
546 len, m->lm_bufcount);
550 for (i = 0; i < m->lm_bufcount; i++) {
552 __swab32s(&m->lm_buflens[i]);
553 required_len += cfs_size_round(m->lm_buflens[i]);
556 if (len < required_len) {
557 CERROR("len: %d, required_len %d\n", len, required_len);
558 CERROR("bufcount: %d\n", m->lm_bufcount);
559 for (i = 0; i < m->lm_bufcount; i++)
560 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
567 int __lustre_unpack_msg(struct lustre_msg *m, int len)
569 int required_len, rc;
572 /* We can provide a slightly better error log, if we check the
573 * message magic and version first. In the future, struct
574 * lustre_msg may grow, and we'd like to log a version mismatch,
575 * rather than a short message.
578 required_len = offsetof(struct lustre_msg, lm_magic) +
580 if (len < required_len) {
581 /* can't even look inside the message */
582 CERROR("message length %d too small for magic/version check\n",
587 rc = lustre_unpack_msg_v2(m, len);
591 EXPORT_SYMBOL(__lustre_unpack_msg);
593 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
596 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
598 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
604 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
607 rc = __lustre_unpack_msg(req->rq_repmsg, len);
609 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
615 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
616 const int inout, int offset)
618 struct ptlrpc_body *pb;
619 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
621 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
623 CERROR("error unpacking ptlrpc body\n");
626 if (ptlrpc_buf_need_swab(req, inout, offset)) {
627 lustre_swab_ptlrpc_body(pb);
628 ptlrpc_buf_set_swabbed(req, inout, offset);
631 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
632 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
639 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
641 switch (req->rq_reqmsg->lm_magic) {
642 case LUSTRE_MSG_MAGIC_V2:
643 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
645 CERROR("bad lustre msg magic: %08x\n",
646 req->rq_reqmsg->lm_magic);
651 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
653 switch (req->rq_repmsg->lm_magic) {
654 case LUSTRE_MSG_MAGIC_V2:
655 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
657 CERROR("bad lustre msg magic: %08x\n",
658 req->rq_repmsg->lm_magic);
663 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
665 if (n >= m->lm_bufcount)
668 return m->lm_buflens[n];
672 * lustre_msg_buflen - return the length of buffer \a n in message \a m
673 * \param m lustre_msg (request or reply) to look at
674 * \param n message index (base 0)
676 * returns zero for non-existent message indices
678 int lustre_msg_buflen(struct lustre_msg *m, int n)
680 switch (m->lm_magic) {
681 case LUSTRE_MSG_MAGIC_V2:
682 return lustre_msg_buflen_v2(m, n);
684 CERROR("incorrect message magic: %08x\n", m->lm_magic);
688 EXPORT_SYMBOL(lustre_msg_buflen);
691 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
693 if (n >= m->lm_bufcount)
696 m->lm_buflens[n] = len;
699 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
701 switch (m->lm_magic) {
702 case LUSTRE_MSG_MAGIC_V2:
703 lustre_msg_set_buflen_v2(m, n, len);
706 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
710 EXPORT_SYMBOL(lustre_msg_set_buflen);
712 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
713 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
714 int lustre_msg_bufcount(struct lustre_msg *m)
716 switch (m->lm_magic) {
717 case LUSTRE_MSG_MAGIC_V2:
718 return m->lm_bufcount;
720 CERROR("incorrect message magic: %08x\n", m->lm_magic);
724 EXPORT_SYMBOL(lustre_msg_bufcount);
726 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
728 /* max_len == 0 means the string should fill the buffer */
732 switch (m->lm_magic) {
733 case LUSTRE_MSG_MAGIC_V2:
734 str = lustre_msg_buf_v2(m, index, 0);
735 blen = lustre_msg_buflen_v2(m, index);
738 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
742 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
746 slen = strnlen(str, blen);
748 if (slen == blen) { /* not NULL terminated */
749 CERROR("can't unpack non-NULL terminated string in "
750 "msg %p buffer[%d] len %d\n", m, index, blen);
755 if (slen != blen - 1) {
756 CERROR("can't unpack short string in msg %p "
757 "buffer[%d] len %d: strlen %d\n",
758 m, index, blen, slen);
761 } else if (slen > max_len) {
762 CERROR("can't unpack oversized string in msg %p "
763 "buffer[%d] len %d strlen %d: max %d expected\n",
764 m, index, blen, slen, max_len);
771 /* Wrap up the normal fixed length cases */
772 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
773 int min_size, void *swabber)
777 LASSERT(msg != NULL);
778 switch (msg->lm_magic) {
779 case LUSTRE_MSG_MAGIC_V2:
780 ptr = lustre_msg_buf_v2(msg, index, min_size);
783 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
787 ((void (*)(void *))swabber)(ptr);
792 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
794 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
795 sizeof(struct ptlrpc_body_v2));
798 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
800 switch (msg->lm_magic) {
801 case LUSTRE_MSG_MAGIC_V1:
802 case LUSTRE_MSG_MAGIC_V1_SWABBED:
804 case LUSTRE_MSG_MAGIC_V2:
805 /* already in host endian */
806 return msg->lm_flags;
808 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
812 EXPORT_SYMBOL(lustre_msghdr_get_flags);
814 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
816 switch (msg->lm_magic) {
817 case LUSTRE_MSG_MAGIC_V1:
819 case LUSTRE_MSG_MAGIC_V2:
820 msg->lm_flags = flags;
823 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
827 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
829 switch (msg->lm_magic) {
830 case LUSTRE_MSG_MAGIC_V2: {
831 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
833 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
839 /* flags might be printed in debug code while message
845 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
847 switch (msg->lm_magic) {
848 case LUSTRE_MSG_MAGIC_V2: {
849 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
850 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
851 pb->pb_flags |= flags;
855 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
859 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
861 switch (msg->lm_magic) {
862 case LUSTRE_MSG_MAGIC_V2: {
863 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
864 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
865 pb->pb_flags = flags;
869 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
873 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
875 switch (msg->lm_magic) {
876 case LUSTRE_MSG_MAGIC_V2: {
877 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
878 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
879 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
883 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
887 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
889 switch (msg->lm_magic) {
890 case LUSTRE_MSG_MAGIC_V2: {
891 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
893 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
896 return pb->pb_op_flags;
903 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
905 switch (msg->lm_magic) {
906 case LUSTRE_MSG_MAGIC_V2: {
907 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
908 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
909 pb->pb_op_flags |= flags;
913 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
917 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
919 switch (msg->lm_magic) {
920 case LUSTRE_MSG_MAGIC_V2: {
921 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
922 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
923 pb->pb_op_flags |= flags;
927 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
931 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
933 switch (msg->lm_magic) {
934 case LUSTRE_MSG_MAGIC_V2: {
935 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
937 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
940 return &pb->pb_handle;
943 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
948 __u32 lustre_msg_get_type(struct lustre_msg *msg)
950 switch (msg->lm_magic) {
951 case LUSTRE_MSG_MAGIC_V2: {
952 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
954 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
955 return PTL_RPC_MSG_ERR;
960 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
961 return PTL_RPC_MSG_ERR;
965 __u32 lustre_msg_get_version(struct lustre_msg *msg)
967 switch (msg->lm_magic) {
968 case LUSTRE_MSG_MAGIC_V2: {
969 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
971 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
974 return pb->pb_version;
977 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
982 void lustre_msg_add_version(struct lustre_msg *msg, int version)
984 switch (msg->lm_magic) {
985 case LUSTRE_MSG_MAGIC_V2: {
986 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
987 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
988 pb->pb_version |= version;
992 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
996 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
998 switch (msg->lm_magic) {
999 case LUSTRE_MSG_MAGIC_V2: {
1000 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1002 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1008 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1014 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1016 switch (msg->lm_magic) {
1017 case LUSTRE_MSG_MAGIC_V2: {
1018 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1020 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1023 return pb->pb_last_xid;
1026 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1031 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1033 switch (msg->lm_magic) {
1034 case LUSTRE_MSG_MAGIC_V2: {
1035 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1037 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1040 return pb->pb_last_committed;
1043 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1048 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1050 switch (msg->lm_magic) {
1051 case LUSTRE_MSG_MAGIC_V1:
1053 case LUSTRE_MSG_MAGIC_V2: {
1054 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1056 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1059 return pb->pb_pre_versions;
1062 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1067 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1069 switch (msg->lm_magic) {
1070 case LUSTRE_MSG_MAGIC_V2: {
1071 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1073 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1076 return pb->pb_transno;
1079 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1084 int lustre_msg_get_status(struct lustre_msg *msg)
1086 switch (msg->lm_magic) {
1087 case LUSTRE_MSG_MAGIC_V2: {
1088 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1090 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1093 return pb->pb_status;
1096 /* status might be printed in debug code while message
1102 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1104 switch (msg->lm_magic) {
1105 case LUSTRE_MSG_MAGIC_V2: {
1106 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1108 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1114 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1120 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1122 switch (msg->lm_magic) {
1123 case LUSTRE_MSG_MAGIC_V2: {
1124 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1126 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1133 CERROR("invalid msg magic %x\n", msg->lm_magic);
1138 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1140 switch (msg->lm_magic) {
1141 case LUSTRE_MSG_MAGIC_V2: {
1142 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1144 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1147 return pb->pb_limit;
1150 CERROR("invalid msg magic %x\n", msg->lm_magic);
1156 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1158 switch (msg->lm_magic) {
1159 case LUSTRE_MSG_MAGIC_V2: {
1160 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1162 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1165 pb->pb_limit = limit;
1169 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1174 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1176 switch (msg->lm_magic) {
1177 case LUSTRE_MSG_MAGIC_V2: {
1178 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1180 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1183 return pb->pb_conn_cnt;
1186 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1191 int lustre_msg_is_v1(struct lustre_msg *msg)
1193 switch (msg->lm_magic) {
1194 case LUSTRE_MSG_MAGIC_V1:
1195 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1202 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1204 switch (msg->lm_magic) {
1205 case LUSTRE_MSG_MAGIC_V2:
1206 return msg->lm_magic;
1208 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1213 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1215 switch (msg->lm_magic) {
1216 case LUSTRE_MSG_MAGIC_V1:
1217 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1219 case LUSTRE_MSG_MAGIC_V2: {
1220 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1222 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1226 return pb->pb_timeout;
1229 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1234 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1236 switch (msg->lm_magic) {
1237 case LUSTRE_MSG_MAGIC_V1:
1238 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1240 case LUSTRE_MSG_MAGIC_V2: {
1241 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1243 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1247 return pb->pb_service_time;
1250 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1255 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1257 switch (msg->lm_magic) {
1258 case LUSTRE_MSG_MAGIC_V1:
1259 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1261 case LUSTRE_MSG_MAGIC_V2: {
1262 struct ptlrpc_body *pb =
1263 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1264 sizeof(struct ptlrpc_body));
1268 return pb->pb_jobid;
1271 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1275 EXPORT_SYMBOL(lustre_msg_get_jobid);
1277 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1279 switch (msg->lm_magic) {
1280 case LUSTRE_MSG_MAGIC_V2:
1281 return msg->lm_cksum;
1283 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1288 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
1290 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1291 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1292 * more sense to compute the checksum on the full ptlrpc_body, regardless
1293 * of what size it is, but in order to keep interoperability with 1.8 we
1294 * can optionally also checksum only the first 88 bytes (caller decides). */
1295 # define ptlrpc_body_cksum_size_compat18 88
1297 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1299 # warning "remove checksum compatibility support for b1_8"
1300 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1303 switch (msg->lm_magic) {
1304 case LUSTRE_MSG_MAGIC_V2: {
1305 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1306 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
1307 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1308 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1309 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1310 return crc32_le(~(__u32)0, (unsigned char *)pb, len);
1312 # warning "remove checksum compatibility support for b1_8"
1313 return crc32_le(~(__u32)0, (unsigned char *)pb,
1314 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF));
1318 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1323 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1325 switch (msg->lm_magic) {
1326 case LUSTRE_MSG_MAGIC_V2: {
1327 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1328 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1329 pb->pb_handle = *handle;
1333 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1337 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1339 switch (msg->lm_magic) {
1340 case LUSTRE_MSG_MAGIC_V2: {
1341 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1342 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1347 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1351 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1353 switch (msg->lm_magic) {
1354 case LUSTRE_MSG_MAGIC_V2: {
1355 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1356 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1361 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1365 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
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_last_xid = last_xid;
1375 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1379 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1381 switch (msg->lm_magic) {
1382 case LUSTRE_MSG_MAGIC_V2: {
1383 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1384 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1385 pb->pb_last_committed = last_committed;
1389 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1393 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1395 switch (msg->lm_magic) {
1396 case LUSTRE_MSG_MAGIC_V1:
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);
1401 pb->pb_pre_versions[0] = versions[0];
1402 pb->pb_pre_versions[1] = versions[1];
1403 pb->pb_pre_versions[2] = versions[2];
1404 pb->pb_pre_versions[3] = versions[3];
1408 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1412 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1414 switch (msg->lm_magic) {
1415 case LUSTRE_MSG_MAGIC_V2: {
1416 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1417 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1418 pb->pb_transno = transno;
1422 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1426 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1428 switch (msg->lm_magic) {
1429 case LUSTRE_MSG_MAGIC_V2: {
1430 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1431 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1432 pb->pb_status = status;
1436 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1440 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1442 switch (msg->lm_magic) {
1443 case LUSTRE_MSG_MAGIC_V2: {
1444 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1445 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1446 pb->pb_conn_cnt = conn_cnt;
1450 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1454 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1456 switch (msg->lm_magic) {
1457 case LUSTRE_MSG_MAGIC_V1:
1459 case LUSTRE_MSG_MAGIC_V2: {
1460 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1461 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1462 pb->pb_timeout = timeout;
1466 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1470 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1472 switch (msg->lm_magic) {
1473 case LUSTRE_MSG_MAGIC_V1:
1475 case LUSTRE_MSG_MAGIC_V2: {
1476 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1477 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1478 pb->pb_service_time = service_time;
1482 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1486 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1488 switch (msg->lm_magic) {
1489 case LUSTRE_MSG_MAGIC_V1:
1491 case LUSTRE_MSG_MAGIC_V2: {
1492 __u32 opc = lustre_msg_get_opc(msg);
1493 struct ptlrpc_body *pb;
1495 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1496 * See the comment in ptlrpc_request_pack(). */
1497 if (!opc || opc == LDLM_BL_CALLBACK ||
1498 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1501 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1502 sizeof(struct ptlrpc_body));
1503 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1504 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1508 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1511 EXPORT_SYMBOL(lustre_msg_set_jobid);
1513 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1515 switch (msg->lm_magic) {
1516 case LUSTRE_MSG_MAGIC_V1:
1518 case LUSTRE_MSG_MAGIC_V2:
1519 msg->lm_cksum = cksum;
1522 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1527 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1529 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1531 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1532 req->rq_pill.rc_area[RCL_SERVER]);
1533 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1534 req->rq_reqmsg->lm_repsize = req->rq_replen;
1537 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1539 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1540 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1541 req->rq_reqmsg->lm_repsize = req->rq_replen;
1545 * Send a remote set_info_async.
1547 * This may go from client to server or server to client.
1549 int do_set_info_async(struct obd_import *imp,
1550 int opcode, int version,
1551 obd_count keylen, void *key,
1552 obd_count vallen, void *val,
1553 struct ptlrpc_request_set *set)
1555 struct ptlrpc_request *req;
1560 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1564 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1565 RCL_CLIENT, keylen);
1566 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1567 RCL_CLIENT, vallen);
1568 rc = ptlrpc_request_pack(req, version, opcode);
1570 ptlrpc_request_free(req);
1574 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1575 memcpy(tmp, key, keylen);
1576 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1577 memcpy(tmp, val, vallen);
1579 ptlrpc_request_set_replen(req);
1582 ptlrpc_set_add_req(set, req);
1583 ptlrpc_check_set(NULL, set);
1585 rc = ptlrpc_queue_wait(req);
1586 ptlrpc_req_finished(req);
1591 EXPORT_SYMBOL(do_set_info_async);
1593 /* byte flipping routines for all wire types declared in
1594 * lustre_idl.h implemented here.
1596 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1598 __swab32s (&b->pb_type);
1599 __swab32s (&b->pb_version);
1600 __swab32s (&b->pb_opc);
1601 __swab32s (&b->pb_status);
1602 __swab64s (&b->pb_last_xid);
1603 __swab64s (&b->pb_last_seen);
1604 __swab64s (&b->pb_last_committed);
1605 __swab64s (&b->pb_transno);
1606 __swab32s (&b->pb_flags);
1607 __swab32s (&b->pb_op_flags);
1608 __swab32s (&b->pb_conn_cnt);
1609 __swab32s (&b->pb_timeout);
1610 __swab32s (&b->pb_service_time);
1611 __swab32s (&b->pb_limit);
1612 __swab64s (&b->pb_slv);
1613 __swab64s (&b->pb_pre_versions[0]);
1614 __swab64s (&b->pb_pre_versions[1]);
1615 __swab64s (&b->pb_pre_versions[2]);
1616 __swab64s (&b->pb_pre_versions[3]);
1617 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1618 /* While we need to maintain compatibility between
1619 * clients and servers without ptlrpc_body_v2 (< 2.3)
1620 * do not swab any fields beyond pb_jobid, as we are
1621 * using this swab function for both ptlrpc_body
1622 * and ptlrpc_body_v2. */
1623 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1626 void lustre_swab_connect(struct obd_connect_data *ocd)
1628 __swab64s(&ocd->ocd_connect_flags);
1629 __swab32s(&ocd->ocd_version);
1630 __swab32s(&ocd->ocd_grant);
1631 __swab64s(&ocd->ocd_ibits_known);
1632 __swab32s(&ocd->ocd_index);
1633 __swab32s(&ocd->ocd_brw_size);
1634 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1635 * they are 8-byte values */
1636 __swab16s(&ocd->ocd_grant_extent);
1637 __swab32s(&ocd->ocd_unused);
1638 __swab64s(&ocd->ocd_transno);
1639 __swab32s(&ocd->ocd_group);
1640 __swab32s(&ocd->ocd_cksum_types);
1641 __swab32s(&ocd->ocd_instance);
1642 /* Fields after ocd_cksum_types are only accessible by the receiver
1643 * if the corresponding flag in ocd_connect_flags is set. Accessing
1644 * any field after ocd_maxbytes on the receiver without a valid flag
1645 * may result in out-of-bound memory access and kernel oops. */
1646 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1647 __swab32s(&ocd->ocd_max_easize);
1648 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1649 __swab64s(&ocd->ocd_maxbytes);
1650 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1651 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1652 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1653 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1654 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1655 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1656 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1657 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1658 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1659 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1660 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1661 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1662 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1663 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1664 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1667 void lustre_swab_obdo (struct obdo *o)
1669 __swab64s (&o->o_valid);
1670 __swab64s (&o->o_id);
1671 __swab64s (&o->o_seq);
1672 __swab64s (&o->o_parent_seq);
1673 __swab64s (&o->o_size);
1674 __swab64s (&o->o_mtime);
1675 __swab64s (&o->o_atime);
1676 __swab64s (&o->o_ctime);
1677 __swab64s (&o->o_blocks);
1678 __swab64s (&o->o_grant);
1679 __swab32s (&o->o_blksize);
1680 __swab32s (&o->o_mode);
1681 __swab32s (&o->o_uid);
1682 __swab32s (&o->o_gid);
1683 __swab32s (&o->o_flags);
1684 __swab32s (&o->o_nlink);
1685 __swab32s (&o->o_parent_oid);
1686 __swab32s (&o->o_misc);
1687 __swab64s (&o->o_ioepoch);
1688 __swab32s (&o->o_stripe_idx);
1689 __swab32s (&o->o_parent_ver);
1690 /* o_handle is opaque */
1691 /* o_lcookie is swabbed elsewhere */
1692 __swab32s (&o->o_uid_h);
1693 __swab32s (&o->o_gid_h);
1694 __swab64s (&o->o_data_version);
1695 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1696 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1697 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1701 void lustre_swab_obd_statfs (struct obd_statfs *os)
1703 __swab64s (&os->os_type);
1704 __swab64s (&os->os_blocks);
1705 __swab64s (&os->os_bfree);
1706 __swab64s (&os->os_bavail);
1707 __swab64s (&os->os_files);
1708 __swab64s (&os->os_ffree);
1709 /* no need to swab os_fsid */
1710 __swab32s (&os->os_bsize);
1711 __swab32s (&os->os_namelen);
1712 __swab64s (&os->os_maxbytes);
1713 __swab32s (&os->os_state);
1714 CLASSERT(offsetof(typeof(*os), os_spare1) != 0);
1715 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1716 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1717 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1718 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1719 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1720 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1721 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1722 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1725 void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
1727 __swab64s (&ioo->ioo_id);
1728 __swab64s (&ioo->ioo_seq);
1729 __swab32s (&ioo->ioo_type);
1730 __swab32s (&ioo->ioo_bufcnt);
1733 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1735 __swab64s (&nbr->offset);
1736 __swab32s (&nbr->len);
1737 __swab32s (&nbr->flags);
1740 void lustre_swab_ost_body (struct ost_body *b)
1742 lustre_swab_obdo (&b->oa);
1745 void lustre_swab_ost_last_id(obd_id *id)
1750 void lustre_swab_generic_32s(__u32 *val)
1755 void lustre_swab_lvb(union ldlm_wire_lvb *lvb)
1757 /* The ldlm_wire_lvb union represents all the possible LVB types.
1758 * Unfortunately, there is no way to know what member of the union we
1759 * are dealing with at this point. Therefore, all LVB structures must
1760 * have fields of the same types, although used for different purposes
1762 __swab64s(&lvb->l_ost.lvb_size);
1763 __swab64s(&lvb->l_ost.lvb_mtime);
1764 __swab64s(&lvb->l_ost.lvb_atime);
1765 __swab64s(&lvb->l_ost.lvb_ctime);
1766 __swab64s(&lvb->l_ost.lvb_blocks);
1769 void lustre_swab_mdt_body (struct mdt_body *b)
1771 lustre_swab_lu_fid (&b->fid1);
1772 lustre_swab_lu_fid (&b->fid2);
1773 /* handle is opaque */
1774 __swab64s (&b->valid);
1775 __swab64s (&b->size);
1776 __swab64s (&b->mtime);
1777 __swab64s (&b->atime);
1778 __swab64s (&b->ctime);
1779 __swab64s (&b->blocks);
1780 __swab64s (&b->ioepoch);
1781 __swab64s (&b->ino);
1782 __swab32s (&b->fsuid);
1783 __swab32s (&b->fsgid);
1784 __swab32s (&b->capability);
1785 __swab32s (&b->mode);
1786 __swab32s (&b->uid);
1787 __swab32s (&b->gid);
1788 __swab32s (&b->flags);
1789 __swab32s (&b->rdev);
1790 __swab32s (&b->nlink);
1791 __swab32s (&b->generation);
1792 __swab32s (&b->suppgid);
1793 __swab32s (&b->eadatasize);
1794 __swab32s (&b->aclsize);
1795 __swab32s (&b->max_mdsize);
1796 __swab32s (&b->max_cookiesize);
1797 __swab32s (&b->uid_h);
1798 __swab32s (&b->gid_h);
1799 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1802 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1804 /* handle is opaque */
1805 __swab64s (&b->ioepoch);
1806 __swab32s (&b->flags);
1807 CLASSERT(offsetof(typeof(*b), padding) != 0);
1810 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1813 __swab32s(&mti->mti_lustre_ver);
1814 __swab32s(&mti->mti_stripe_index);
1815 __swab32s(&mti->mti_config_ver);
1816 __swab32s(&mti->mti_flags);
1817 __swab32s(&mti->mti_instance);
1818 __swab32s(&mti->mti_nid_count);
1819 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1820 for (i = 0; i < MTI_NIDS_MAX; i++)
1821 __swab64s(&mti->mti_nids[i]);
1824 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1828 __swab64s(&entry->mne_version);
1829 __swab32s(&entry->mne_instance);
1830 __swab32s(&entry->mne_index);
1831 __swab32s(&entry->mne_length);
1833 /* mne_nid_(count|type) must be one byte size because we're gonna
1834 * access it w/o swapping. */
1835 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1836 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1838 /* remove this assertion if ipv6 is supported. */
1839 LASSERT(entry->mne_nid_type == 0);
1840 for (i = 0; i < entry->mne_nid_count; i++) {
1841 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1842 __swab64s(&entry->u.nids[i]);
1845 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1847 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1849 __swab64s(&body->mcb_offset);
1850 __swab32s(&body->mcb_units);
1851 __swab16s(&body->mcb_type);
1853 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1855 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1857 __swab64s(&body->mcr_offset);
1858 __swab64s(&body->mcr_size);
1860 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1862 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1864 __swab64s (&i->dqi_bgrace);
1865 __swab64s (&i->dqi_igrace);
1866 __swab32s (&i->dqi_flags);
1867 __swab32s (&i->dqi_valid);
1870 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1872 __swab64s (&b->dqb_ihardlimit);
1873 __swab64s (&b->dqb_isoftlimit);
1874 __swab64s (&b->dqb_curinodes);
1875 __swab64s (&b->dqb_bhardlimit);
1876 __swab64s (&b->dqb_bsoftlimit);
1877 __swab64s (&b->dqb_curspace);
1878 __swab64s (&b->dqb_btime);
1879 __swab64s (&b->dqb_itime);
1880 __swab32s (&b->dqb_valid);
1881 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1884 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1886 __swab32s (&q->qc_cmd);
1887 __swab32s (&q->qc_type);
1888 __swab32s (&q->qc_id);
1889 __swab32s (&q->qc_stat);
1890 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1891 lustre_swab_obd_dqblk (&q->qc_dqblk);
1894 void lustre_swab_quota_adjust_qunit (struct quota_adjust_qunit *q)
1896 __swab32s (&q->qaq_flags);
1897 __swab32s (&q->qaq_id);
1898 __swab64s (&q->qaq_bunit_sz);
1899 __swab64s (&q->qaq_iunit_sz);
1900 __swab64s (&q->padding1);
1903 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1905 __swab32s (&p->rp_uid);
1906 __swab32s (&p->rp_gid);
1907 __swab32s (&p->rp_fsuid);
1908 __swab32s (&p->rp_fsuid_h);
1909 __swab32s (&p->rp_fsgid);
1910 __swab32s (&p->rp_fsgid_h);
1911 __swab32s (&p->rp_access_perm);
1912 __swab32s (&p->rp_padding);
1915 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1917 lustre_swab_lu_fid(&gf->gf_fid);
1918 __swab64s(&gf->gf_recno);
1919 __swab32s(&gf->gf_linkno);
1920 __swab32s(&gf->gf_pathlen);
1922 EXPORT_SYMBOL(lustre_swab_fid2path);
1924 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1926 __swab64s(&fm_extent->fe_logical);
1927 __swab64s(&fm_extent->fe_physical);
1928 __swab64s(&fm_extent->fe_length);
1929 __swab32s(&fm_extent->fe_flags);
1930 __swab32s(&fm_extent->fe_device);
1933 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1937 __swab64s(&fiemap->fm_start);
1938 __swab64s(&fiemap->fm_length);
1939 __swab32s(&fiemap->fm_flags);
1940 __swab32s(&fiemap->fm_mapped_extents);
1941 __swab32s(&fiemap->fm_extent_count);
1942 __swab32s(&fiemap->fm_reserved);
1944 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1945 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1948 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1950 __swab32s (&rr->rr_opcode);
1951 __swab32s (&rr->rr_cap);
1952 __swab32s (&rr->rr_fsuid);
1953 /* rr_fsuid_h is unused */
1954 __swab32s (&rr->rr_fsgid);
1955 /* rr_fsgid_h is unused */
1956 __swab32s (&rr->rr_suppgid1);
1957 /* rr_suppgid1_h is unused */
1958 __swab32s (&rr->rr_suppgid2);
1959 /* rr_suppgid2_h is unused */
1960 lustre_swab_lu_fid (&rr->rr_fid1);
1961 lustre_swab_lu_fid (&rr->rr_fid2);
1962 __swab64s (&rr->rr_mtime);
1963 __swab64s (&rr->rr_atime);
1964 __swab64s (&rr->rr_ctime);
1965 __swab64s (&rr->rr_size);
1966 __swab64s (&rr->rr_blocks);
1967 __swab32s (&rr->rr_bias);
1968 __swab32s (&rr->rr_mode);
1969 __swab32s (&rr->rr_flags);
1971 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
1972 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
1973 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1976 void lustre_swab_lov_desc (struct lov_desc *ld)
1978 __swab32s (&ld->ld_tgt_count);
1979 __swab32s (&ld->ld_active_tgt_count);
1980 __swab32s (&ld->ld_default_stripe_count);
1981 __swab32s (&ld->ld_pattern);
1982 __swab64s (&ld->ld_default_stripe_size);
1983 __swab64s (&ld->ld_default_stripe_offset);
1984 __swab32s (&ld->ld_qos_maxage);
1985 /* uuid endian insensitive */
1988 void lustre_swab_lmv_desc (struct lmv_desc *ld)
1990 __swab32s (&ld->ld_tgt_count);
1991 __swab32s (&ld->ld_active_tgt_count);
1992 __swab32s (&ld->ld_default_stripe_count);
1993 __swab32s (&ld->ld_pattern);
1994 __swab64s (&ld->ld_default_hash_size);
1995 __swab32s (&ld->ld_qos_maxage);
1996 /* uuid endian insensitive */
1999 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
2001 __swab32s(&mea->mea_magic);
2002 __swab32s(&mea->mea_count);
2003 __swab32s(&mea->mea_master);
2004 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
2008 static void print_lum (struct lov_user_md *lum)
2010 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
2011 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
2012 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2013 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
2014 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_seq);
2015 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2016 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2017 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2018 lum->u.lum_stripe_offset);
2021 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2024 __swab32s(&lum->lmm_magic);
2025 __swab32s(&lum->lmm_pattern);
2026 __swab64s(&lum->lmm_object_id);
2027 __swab64s(&lum->lmm_object_seq);
2028 __swab32s(&lum->lmm_stripe_size);
2029 __swab16s(&lum->lmm_stripe_count);
2030 __swab16s(&lum->u.lum_stripe_offset);
2035 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2038 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2039 lustre_swab_lov_user_md_common(lum);
2043 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2046 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2047 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2048 /* lmm_pool_name nothing to do with char */
2052 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2055 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2056 __swab32s(&lmm->lmm_magic);
2057 __swab32s(&lmm->lmm_pattern);
2058 __swab64s(&lmm->lmm_object_id);
2059 __swab64s(&lmm->lmm_object_seq);
2060 __swab32s(&lmm->lmm_stripe_size);
2061 __swab16s(&lmm->lmm_stripe_count);
2062 __swab16s(&lmm->lmm_layout_gen);
2066 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2071 for (i = 0; i < stripe_count; i++) {
2072 __swab64s(&(lod[i].l_object_id));
2073 __swab64s(&(lod[i].l_object_seq));
2074 __swab32s(&(lod[i].l_ost_gen));
2075 __swab32s(&(lod[i].l_ost_idx));
2081 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2085 for (i = 0; i < RES_NAME_SIZE; i++)
2086 __swab64s (&id->name[i]);
2089 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2091 /* the lock data is a union and the first two fields are always an
2092 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2093 * data the same way. */
2094 __swab64s(&d->l_extent.start);
2095 __swab64s(&d->l_extent.end);
2096 __swab64s(&d->l_extent.gid);
2097 __swab64s(&d->l_flock.lfw_owner);
2098 __swab32s(&d->l_flock.lfw_pid);
2101 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2103 __swab64s (&i->opc);
2106 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2108 __swab32s (&r->lr_type);
2109 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2110 lustre_swab_ldlm_res_id (&r->lr_name);
2113 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2115 lustre_swab_ldlm_resource_desc (&l->l_resource);
2116 __swab32s (&l->l_req_mode);
2117 __swab32s (&l->l_granted_mode);
2118 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2121 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2123 __swab32s (&rq->lock_flags);
2124 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2125 __swab32s (&rq->lock_count);
2126 /* lock_handle[] opaque */
2129 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2131 __swab32s (&r->lock_flags);
2132 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2133 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2134 /* lock_handle opaque */
2135 __swab64s (&r->lock_policy_res1);
2136 __swab64s (&r->lock_policy_res2);
2139 /* no one calls this */
2140 int llog_log_swabbed(struct llog_log_hdr *hdr)
2142 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
2144 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
2149 void lustre_swab_qdata(struct qunit_data *d)
2151 __swab32s (&d->qd_id);
2152 __swab32s (&d->qd_flags);
2153 __swab64s (&d->qd_count);
2154 __swab64s (&d->qd_qunit);
2155 CLASSERT(offsetof(typeof(*d), padding) != 0);
2158 /* Dump functions */
2159 void dump_ioo(struct obd_ioobj *ioo)
2162 "obd_ioobj: ioo_id="LPD64", ioo_seq="LPD64", ioo_type=%d, "
2163 "ioo_bufct=%d\n", ioo->ioo_id, ioo->ioo_seq, ioo->ioo_type,
2167 void dump_rniobuf(struct niobuf_remote *nb)
2169 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2170 nb->offset, nb->len, nb->flags);
2173 void dump_obdo(struct obdo *oa)
2175 __u32 valid = oa->o_valid;
2177 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2178 if (valid & OBD_MD_FLID)
2179 CDEBUG(D_RPCTRACE, "obdo: o_id = "LPD64"\n", oa->o_id);
2180 if (valid & OBD_MD_FLGROUP)
2181 CDEBUG(D_RPCTRACE, "obdo: o_seq = "LPD64"\n", oa->o_seq);
2182 if (valid & OBD_MD_FLFID)
2183 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2185 if (valid & OBD_MD_FLSIZE)
2186 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2187 if (valid & OBD_MD_FLMTIME)
2188 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2189 if (valid & OBD_MD_FLATIME)
2190 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2191 if (valid & OBD_MD_FLCTIME)
2192 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2193 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2194 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2195 if (valid & OBD_MD_FLGRANT)
2196 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2197 if (valid & OBD_MD_FLBLKSZ)
2198 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2199 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2200 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2201 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2202 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2203 if (valid & OBD_MD_FLUID)
2204 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2205 if (valid & OBD_MD_FLUID)
2206 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2207 if (valid & OBD_MD_FLGID)
2208 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2209 if (valid & OBD_MD_FLGID)
2210 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2211 if (valid & OBD_MD_FLFLAGS)
2212 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2213 if (valid & OBD_MD_FLNLINK)
2214 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2215 else if (valid & OBD_MD_FLCKSUM)
2216 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2218 if (valid & OBD_MD_FLGENER)
2219 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2221 if (valid & OBD_MD_FLEPOCH)
2222 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2224 if (valid & OBD_MD_FLFID) {
2225 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2227 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2230 if (valid & OBD_MD_FLHANDLE)
2231 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2232 oa->o_handle.cookie);
2233 if (valid & OBD_MD_FLCOOKIE)
2234 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2235 "(llog_cookie dumping not yet implemented)\n");
2238 void dump_ost_body(struct ost_body *ob)
2243 void dump_rcs(__u32 *rc)
2245 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2251 * got qdata from request(req/rep)
2253 struct qunit_data *quota_get_qdata(void *r, int is_req, int is_exp)
2255 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2256 struct qunit_data *qdata;
2257 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2258 req->rq_import->imp_connect_data.ocd_connect_flags;
2261 /* support for quota64 */
2262 LASSERT(flags & OBD_CONNECT_QUOTA64);
2263 /* support for change_qs */
2264 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2266 if (is_req == QUOTA_REQUEST)
2267 qdata = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2269 qdata = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2271 return ERR_PTR(-EPROTO);
2273 QDATA_SET_CHANGE_QS(qdata);
2276 EXPORT_SYMBOL(quota_get_qdata);
2279 * copy qdata to request(req/rep)
2281 int quota_copy_qdata(void *r, struct qunit_data *qdata, int is_req,
2284 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2286 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2287 req->rq_import->imp_connect_data.ocd_connect_flags;
2291 /* support for quota64 */
2292 LASSERT(flags & OBD_CONNECT_QUOTA64);
2293 /* support for change_qs */
2294 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2296 if (is_req == QUOTA_REQUEST)
2297 target = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2299 target = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2303 LASSERT(target != qdata);
2304 memcpy(target, qdata, sizeof(*qdata));
2307 EXPORT_SYMBOL(quota_copy_qdata);
2308 #endif /* __KERNEL__ */
2310 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2312 LASSERT(req->rq_reqmsg);
2314 switch (req->rq_reqmsg->lm_magic) {
2315 case LUSTRE_MSG_MAGIC_V2:
2316 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2318 CERROR("bad lustre msg magic: %#08X\n",
2319 req->rq_reqmsg->lm_magic);
2324 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2326 LASSERT(req->rq_repmsg);
2328 switch (req->rq_repmsg->lm_magic) {
2329 case LUSTRE_MSG_MAGIC_V2:
2330 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2332 /* uninitialized yet */
2337 void _debug_req(struct ptlrpc_request *req,
2338 struct libcfs_debug_msg_data *msgdata,
2339 const char *fmt, ... )
2341 int req_ok = req->rq_reqmsg != NULL;
2342 int rep_ok = req->rq_repmsg != NULL;
2343 lnet_nid_t nid = LNET_NID_ANY;
2346 if (ptlrpc_req_need_swab(req)) {
2347 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2348 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2351 if (req->rq_import && req->rq_import->imp_connection)
2352 nid = req->rq_import->imp_connection->c_peer.nid;
2353 else if (req->rq_export && req->rq_export->exp_connection)
2354 nid = req->rq_export->exp_connection->c_peer.nid;
2356 va_start(args, fmt);
2357 libcfs_debug_vmsg2(msgdata, fmt, args,
2358 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2359 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2360 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2361 req, req->rq_xid, req->rq_transno,
2362 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2363 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2365 req->rq_import->imp_obd->obd_name :
2367 req->rq_export->exp_client_uuid.uuid :
2369 libcfs_nid2str(nid),
2370 req->rq_request_portal, req->rq_reply_portal,
2371 req->rq_reqlen, req->rq_replen,
2372 req->rq_early_count, req->rq_timedout,
2374 cfs_atomic_read(&req->rq_refcount),
2375 DEBUG_REQ_FLAGS(req),
2376 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2377 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2379 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2381 EXPORT_SYMBOL(_debug_req);
2383 void lustre_swab_lustre_capa(struct lustre_capa *c)
2385 lustre_swab_lu_fid(&c->lc_fid);
2386 __swab64s (&c->lc_opc);
2387 __swab64s (&c->lc_uid);
2388 __swab64s (&c->lc_gid);
2389 __swab32s (&c->lc_flags);
2390 __swab32s (&c->lc_keyid);
2391 __swab32s (&c->lc_timeout);
2392 __swab32s (&c->lc_expiry);
2395 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2397 __swab64s (&k->lk_seq);
2398 __swab32s (&k->lk_keyid);
2399 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2402 void lustre_swab_hsm_state(struct hsm_state_set_ioc *hssi)
2404 lustre_swab_lu_fid(&hssi->hssi_fid);
2405 __swab64s(&hssi->hssi_setmask);
2406 __swab64s(&hssi->hssi_clearmask);
2408 EXPORT_SYMBOL(lustre_swab_hsm_state);
2410 void lustre_swab_hsm_user_request(struct hsm_user_request *hur)
2414 __swab32s(&hur->hur_action);
2415 __swab32s(&hur->hur_itemcount);
2416 __swab32s(&hur->hur_data_len);
2417 for (i = 0; i < hur->hur_itemcount; i++) {
2418 struct hsm_user_item *hui = &hur->hur_user_item[i];
2419 lustre_swab_lu_fid(&hui->hui_fid);
2420 __swab64s(&hui->hui_extent.offset);
2421 __swab64s(&hui->hui_extent.length);
2423 /* Note: data blob is not swabbed here */
2425 EXPORT_SYMBOL(lustre_swab_hsm_user_request);
2427 void lustre_swab_hsm_progress(struct hsm_progress *hp)
2429 lustre_swab_lu_fid(&hp->hp_fid);
2430 __swab64s(&hp->hp_cookie);
2431 __swab64s(&hp->hp_extent.offset);
2432 __swab64s(&hp->hp_extent.length);
2433 __swab16s(&hp->hp_flags);
2434 __swab16s(&hp->hp_errval);
2436 EXPORT_SYMBOL(lustre_swab_hsm_progress);