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, 2014, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/ptlrpc/pack_generic.c
38 * (Un)packing of OST requests
40 * Author: Peter J. Braam <braam@clusterfs.com>
41 * Author: Phil Schwan <phil@clusterfs.com>
42 * Author: Eric Barton <eeb@clusterfs.com>
45 #define DEBUG_SUBSYSTEM S_RPC
47 #include <libcfs/libcfs.h>
49 #include <obd_support.h>
50 #include <obd_class.h>
51 #include <lustre_net.h>
52 #include <obd_cksum.h>
53 #include <lustre/ll_fiemap.h>
55 #include "ptlrpc_internal.h"
57 static inline __u32 lustre_msg_hdr_size_v2(__u32 count)
59 return cfs_size_round(offsetof(struct lustre_msg_v2,
63 __u32 lustre_msg_hdr_size(__u32 magic, __u32 count)
66 case LUSTRE_MSG_MAGIC_V2:
67 return lustre_msg_hdr_size_v2(count);
69 LASSERTF(0, "incorrect message magic: %08x\n", magic);
74 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
78 lustre_set_req_swabbed(req, index);
80 lustre_set_rep_swabbed(req, index);
83 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
87 return (ptlrpc_req_need_swab(req) &&
88 !lustre_req_swabbed(req, index));
90 return (ptlrpc_rep_need_swab(req) &&
91 !lustre_rep_swabbed(req, index));
94 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
97 __u32 ver = lustre_msg_get_version(msg);
98 return (ver & LUSTRE_VERSION_MASK) != version;
101 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
103 switch (msg->lm_magic) {
104 case LUSTRE_MSG_MAGIC_V1:
105 CERROR("msg v1 not supported - please upgrade you system\n");
107 case LUSTRE_MSG_MAGIC_V2:
108 return lustre_msg_check_version_v2(msg, version);
110 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
115 /* early reply size */
116 __u32 lustre_msg_early_size()
120 /* Always reply old ptlrpc_body_v2 to keep interoprability
121 * with the old client (< 2.3) which doesn't have pb_jobid
122 * in the ptlrpc_body.
124 * XXX Remove this whenever we dorp interoprability with such
127 __u32 pblen = sizeof(struct ptlrpc_body_v2);
128 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
132 EXPORT_SYMBOL(lustre_msg_early_size);
134 __u32 lustre_msg_size_v2(int count, __u32 *lengths)
139 size = lustre_msg_hdr_size_v2(count);
140 for (i = 0; i < count; i++)
141 size += cfs_size_round(lengths[i]);
145 EXPORT_SYMBOL(lustre_msg_size_v2);
147 /* This returns the size of the buffer that is required to hold a lustre_msg
148 * with the given sub-buffer lengths.
149 * NOTE: this should only be used for NEW requests, and should always be
150 * in the form of a v2 request. If this is a connection to a v1
151 * target then the first buffer will be stripped because the ptlrpc
152 * data is part of the lustre_msg_v1 header. b=14043 */
153 __u32 lustre_msg_size(__u32 magic, int count, __u32 *lens)
155 __u32 size[] = { sizeof(struct ptlrpc_body) };
163 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
166 case LUSTRE_MSG_MAGIC_V2:
167 return lustre_msg_size_v2(count, lens);
169 LASSERTF(0, "incorrect message magic: %08x\n", magic);
174 /* This is used to determine the size of a buffer that was already packed
175 * and will correctly handle the different message formats. */
176 __u32 lustre_packed_msg_size(struct lustre_msg *msg)
178 switch (msg->lm_magic) {
179 case LUSTRE_MSG_MAGIC_V2:
180 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
182 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
187 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
193 msg->lm_bufcount = count;
194 /* XXX: lm_secflvr uninitialized here */
195 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
197 for (i = 0; i < count; i++)
198 msg->lm_buflens[i] = lens[i];
203 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
204 for (i = 0; i < count; i++) {
206 LOGL(tmp, lens[i], ptr);
209 EXPORT_SYMBOL(lustre_init_msg_v2);
211 static int lustre_pack_request_v2(struct ptlrpc_request *req,
212 int count, __u32 *lens, char **bufs)
216 reqlen = lustre_msg_size_v2(count, lens);
218 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
222 req->rq_reqlen = reqlen;
224 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
225 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
229 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
230 __u32 *lens, char **bufs)
232 __u32 size[] = { sizeof(struct ptlrpc_body) };
240 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
242 /* only use new format, we don't need to be compatible with 1.4 */
243 magic = LUSTRE_MSG_MAGIC_V2;
246 case LUSTRE_MSG_MAGIC_V2:
247 return lustre_pack_request_v2(req, count, lens, bufs);
249 LASSERTF(0, "incorrect message magic: %08x\n", magic);
255 struct list_head ptlrpc_rs_debug_lru =
256 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
257 spinlock_t ptlrpc_rs_debug_lock;
259 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
261 spin_lock(&ptlrpc_rs_debug_lock); \
262 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
263 spin_unlock(&ptlrpc_rs_debug_lock); \
266 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
268 spin_lock(&ptlrpc_rs_debug_lock); \
269 list_del(&(rs)->rs_debug_list); \
270 spin_unlock(&ptlrpc_rs_debug_lock); \
273 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
274 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
277 struct ptlrpc_reply_state *
278 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
280 struct ptlrpc_reply_state *rs = NULL;
282 spin_lock(&svcpt->scp_rep_lock);
284 /* See if we have anything in a pool, and wait if nothing */
285 while (list_empty(&svcpt->scp_rep_idle)) {
286 struct l_wait_info lwi;
289 spin_unlock(&svcpt->scp_rep_lock);
290 /* If we cannot get anything for some long time, we better
291 * bail out instead of waiting infinitely */
292 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
293 rc = l_wait_event(svcpt->scp_rep_waitq,
294 !list_empty(&svcpt->scp_rep_idle), &lwi);
297 spin_lock(&svcpt->scp_rep_lock);
300 rs = list_entry(svcpt->scp_rep_idle.next,
301 struct ptlrpc_reply_state, rs_list);
302 list_del(&rs->rs_list);
304 spin_unlock(&svcpt->scp_rep_lock);
306 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
307 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
308 rs->rs_svcpt = svcpt;
314 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
316 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
318 spin_lock(&svcpt->scp_rep_lock);
319 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
320 spin_unlock(&svcpt->scp_rep_lock);
321 wake_up(&svcpt->scp_rep_waitq);
324 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
325 __u32 *lens, char **bufs, int flags)
327 struct ptlrpc_reply_state *rs;
331 LASSERT(req->rq_reply_state == NULL);
333 if ((flags & LPRFL_EARLY_REPLY) == 0) {
334 spin_lock(&req->rq_lock);
335 req->rq_packed_final = 1;
336 spin_unlock(&req->rq_lock);
339 msg_len = lustre_msg_size_v2(count, lens);
340 rc = sptlrpc_svc_alloc_rs(req, msg_len);
344 rs = req->rq_reply_state;
345 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
346 rs->rs_cb_id.cbid_fn = reply_out_callback;
347 rs->rs_cb_id.cbid_arg = rs;
348 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
349 INIT_LIST_HEAD(&rs->rs_exp_list);
350 INIT_LIST_HEAD(&rs->rs_obd_list);
351 INIT_LIST_HEAD(&rs->rs_list);
352 spin_lock_init(&rs->rs_lock);
354 req->rq_replen = msg_len;
355 req->rq_reply_state = rs;
356 req->rq_repmsg = rs->rs_msg;
358 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
359 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
361 PTLRPC_RS_DEBUG_LRU_ADD(rs);
365 EXPORT_SYMBOL(lustre_pack_reply_v2);
367 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
368 char **bufs, int flags)
371 __u32 size[] = { sizeof(struct ptlrpc_body) };
379 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
381 switch (req->rq_reqmsg->lm_magic) {
382 case LUSTRE_MSG_MAGIC_V2:
383 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
386 LASSERTF(0, "incorrect message magic: %08x\n",
387 req->rq_reqmsg->lm_magic);
391 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
392 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
396 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
399 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
401 EXPORT_SYMBOL(lustre_pack_reply);
403 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, __u32 n, __u32 min_size)
405 __u32 i, offset, buflen, bufcount;
409 bufcount = m->lm_bufcount;
410 if (unlikely(n >= bufcount)) {
411 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
416 buflen = m->lm_buflens[n];
417 if (unlikely(buflen < min_size)) {
418 CERROR("msg %p buffer[%d] size %d too small "
419 "(required %d, opc=%d)\n", m, n, buflen, min_size,
420 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
424 offset = lustre_msg_hdr_size_v2(bufcount);
425 for (i = 0; i < n; i++)
426 offset += cfs_size_round(m->lm_buflens[i]);
428 return (char *)m + offset;
431 void *lustre_msg_buf(struct lustre_msg *m, __u32 n, __u32 min_size)
433 switch (m->lm_magic) {
434 case LUSTRE_MSG_MAGIC_V2:
435 return lustre_msg_buf_v2(m, n, min_size);
437 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
441 EXPORT_SYMBOL(lustre_msg_buf);
443 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, __u32 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);
500 EXPORT_SYMBOL(lustre_shrink_msg);
502 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
504 PTLRPC_RS_DEBUG_LRU_DEL(rs);
506 LASSERT(atomic_read(&rs->rs_refcount) == 0);
507 LASSERT(!rs->rs_difficult || rs->rs_handled);
508 LASSERT(!rs->rs_on_net);
509 LASSERT(!rs->rs_scheduled);
510 LASSERT(rs->rs_export == NULL);
511 LASSERT(rs->rs_nlocks == 0);
512 LASSERT(list_empty(&rs->rs_exp_list));
513 LASSERT(list_empty(&rs->rs_obd_list));
515 sptlrpc_svc_free_rs(rs);
518 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
520 int swabbed, required_len, i;
522 /* Now we know the sender speaks my language. */
523 required_len = lustre_msg_hdr_size_v2(0);
524 if (len < required_len) {
525 /* can't even look inside the message */
526 CERROR("message length %d too small for lustre_msg\n", len);
530 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
533 __swab32s(&m->lm_magic);
534 __swab32s(&m->lm_bufcount);
535 __swab32s(&m->lm_secflvr);
536 __swab32s(&m->lm_repsize);
537 __swab32s(&m->lm_cksum);
538 __swab32s(&m->lm_flags);
539 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
540 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
543 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
544 if (len < required_len) {
545 /* didn't receive all the buffer lengths */
546 CERROR ("message length %d too small for %d buflens\n",
547 len, m->lm_bufcount);
551 for (i = 0; i < m->lm_bufcount; i++) {
553 __swab32s(&m->lm_buflens[i]);
554 required_len += cfs_size_round(m->lm_buflens[i]);
557 if (len < required_len) {
558 CERROR("len: %d, required_len %d\n", len, required_len);
559 CERROR("bufcount: %d\n", m->lm_bufcount);
560 for (i = 0; i < m->lm_bufcount; i++)
561 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
568 int __lustre_unpack_msg(struct lustre_msg *m, int len)
570 int required_len, rc;
573 /* We can provide a slightly better error log, if we check the
574 * message magic and version first. In the future, struct
575 * lustre_msg may grow, and we'd like to log a version mismatch,
576 * rather than a short message.
579 required_len = offsetof(struct lustre_msg, lm_magic) +
581 if (len < required_len) {
582 /* can't even look inside the message */
583 CERROR("message length %d too small for magic/version check\n",
588 rc = lustre_unpack_msg_v2(m, len);
592 EXPORT_SYMBOL(__lustre_unpack_msg);
594 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
597 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
599 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
605 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
608 rc = __lustre_unpack_msg(req->rq_repmsg, len);
610 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
616 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
617 const int inout, int offset)
619 struct ptlrpc_body *pb;
620 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
622 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
624 CERROR("error unpacking ptlrpc body\n");
627 if (ptlrpc_buf_need_swab(req, inout, offset)) {
628 lustre_swab_ptlrpc_body(pb);
629 ptlrpc_buf_set_swabbed(req, inout, offset);
632 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
633 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
638 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
643 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
645 switch (req->rq_reqmsg->lm_magic) {
646 case LUSTRE_MSG_MAGIC_V2:
647 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
649 CERROR("bad lustre msg magic: %08x\n",
650 req->rq_reqmsg->lm_magic);
655 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
657 switch (req->rq_repmsg->lm_magic) {
658 case LUSTRE_MSG_MAGIC_V2:
659 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
661 CERROR("bad lustre msg magic: %08x\n",
662 req->rq_repmsg->lm_magic);
667 static inline __u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, __u32 n)
669 if (n >= m->lm_bufcount)
672 return m->lm_buflens[n];
676 * lustre_msg_buflen - return the length of buffer \a n in message \a m
677 * \param m lustre_msg (request or reply) to look at
678 * \param n message index (base 0)
680 * returns zero for non-existent message indices
682 __u32 lustre_msg_buflen(struct lustre_msg *m, __u32 n)
684 switch (m->lm_magic) {
685 case LUSTRE_MSG_MAGIC_V2:
686 return lustre_msg_buflen_v2(m, n);
688 CERROR("incorrect message magic: %08x\n", m->lm_magic);
692 EXPORT_SYMBOL(lustre_msg_buflen);
695 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len)
697 if (n >= m->lm_bufcount)
700 m->lm_buflens[n] = len;
703 void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len)
705 switch (m->lm_magic) {
706 case LUSTRE_MSG_MAGIC_V2:
707 lustre_msg_set_buflen_v2(m, n, len);
710 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
714 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
715 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
716 __u32 lustre_msg_bufcount(struct lustre_msg *m)
718 switch (m->lm_magic) {
719 case LUSTRE_MSG_MAGIC_V2:
720 return m->lm_bufcount;
722 CERROR("incorrect message magic: %08x\n", m->lm_magic);
727 char *lustre_msg_string(struct lustre_msg *m, __u32 index, __u32 max_len)
729 /* max_len == 0 means the string should fill the buffer */
733 switch (m->lm_magic) {
734 case LUSTRE_MSG_MAGIC_V2:
735 str = lustre_msg_buf_v2(m, index, 0);
736 blen = lustre_msg_buflen_v2(m, index);
739 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
743 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
747 slen = strnlen(str, blen);
749 if (slen == blen) { /* not NULL terminated */
750 CERROR("can't unpack non-NULL terminated string in "
751 "msg %p buffer[%d] len %d\n", m, index, blen);
756 if (slen != blen - 1) {
757 CERROR("can't unpack short string in msg %p "
758 "buffer[%d] len %d: strlen %d\n",
759 m, index, blen, slen);
762 } else if (slen > max_len) {
763 CERROR("can't unpack oversized string in msg %p "
764 "buffer[%d] len %d strlen %d: max %d expected\n",
765 m, index, blen, slen, max_len);
772 /* Wrap up the normal fixed length cases */
773 static inline void *__lustre_swab_buf(struct lustre_msg *msg, __u32 index,
774 __u32 min_size, void *swabber)
778 LASSERT(msg != NULL);
779 switch (msg->lm_magic) {
780 case LUSTRE_MSG_MAGIC_V2:
781 ptr = lustre_msg_buf_v2(msg, index, min_size);
784 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
788 ((void (*)(void *))swabber)(ptr);
793 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
795 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
796 sizeof(struct ptlrpc_body_v2));
799 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
801 switch (msg->lm_magic) {
802 case LUSTRE_MSG_MAGIC_V1:
803 case LUSTRE_MSG_MAGIC_V1_SWABBED:
805 case LUSTRE_MSG_MAGIC_V2:
806 /* already in host endian */
807 return msg->lm_flags;
809 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
813 EXPORT_SYMBOL(lustre_msghdr_get_flags);
815 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
817 switch (msg->lm_magic) {
818 case LUSTRE_MSG_MAGIC_V1:
820 case LUSTRE_MSG_MAGIC_V2:
821 msg->lm_flags = flags;
824 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
828 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
830 switch (msg->lm_magic) {
831 case LUSTRE_MSG_MAGIC_V2: {
832 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
834 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
840 /* flags might be printed in debug code while message
845 EXPORT_SYMBOL(lustre_msg_get_flags);
847 void lustre_msg_add_flags(struct lustre_msg *msg, __u32 flags)
849 switch (msg->lm_magic) {
850 case LUSTRE_MSG_MAGIC_V2: {
851 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
852 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
853 pb->pb_flags |= flags;
857 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
860 EXPORT_SYMBOL(lustre_msg_add_flags);
862 void lustre_msg_set_flags(struct lustre_msg *msg, __u32 flags)
864 switch (msg->lm_magic) {
865 case LUSTRE_MSG_MAGIC_V2: {
866 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
867 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
868 pb->pb_flags = flags;
872 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
876 void lustre_msg_clear_flags(struct lustre_msg *msg, __u32 flags)
878 switch (msg->lm_magic) {
879 case LUSTRE_MSG_MAGIC_V2: {
880 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
881 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
882 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
886 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
889 EXPORT_SYMBOL(lustre_msg_clear_flags);
891 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
893 switch (msg->lm_magic) {
894 case LUSTRE_MSG_MAGIC_V2: {
895 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
897 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
900 return pb->pb_op_flags;
907 void lustre_msg_add_op_flags(struct lustre_msg *msg, __u32 flags)
909 switch (msg->lm_magic) {
910 case LUSTRE_MSG_MAGIC_V2: {
911 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
912 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
913 pb->pb_op_flags |= flags;
917 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
920 EXPORT_SYMBOL(lustre_msg_add_op_flags);
922 void lustre_msg_set_op_flags(struct lustre_msg *msg, __u32 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);
936 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
938 switch (msg->lm_magic) {
939 case LUSTRE_MSG_MAGIC_V2: {
940 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
942 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
945 return &pb->pb_handle;
948 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
953 __u32 lustre_msg_get_type(struct lustre_msg *msg)
955 switch (msg->lm_magic) {
956 case LUSTRE_MSG_MAGIC_V2: {
957 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
959 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
960 return PTL_RPC_MSG_ERR;
965 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
966 return PTL_RPC_MSG_ERR;
969 EXPORT_SYMBOL(lustre_msg_get_type);
971 __u32 lustre_msg_get_version(struct lustre_msg *msg)
973 switch (msg->lm_magic) {
974 case LUSTRE_MSG_MAGIC_V2: {
975 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
977 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
980 return pb->pb_version;
983 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
988 void lustre_msg_add_version(struct lustre_msg *msg, __u32 version)
990 switch (msg->lm_magic) {
991 case LUSTRE_MSG_MAGIC_V2: {
992 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
993 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
994 pb->pb_version |= version;
998 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1002 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1004 switch (msg->lm_magic) {
1005 case LUSTRE_MSG_MAGIC_V2: {
1006 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1008 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1014 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1019 EXPORT_SYMBOL(lustre_msg_get_opc);
1021 __u64 lustre_msg_get_last_xid(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);
1030 return pb->pb_last_xid;
1033 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1038 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1040 switch (msg->lm_magic) {
1041 case LUSTRE_MSG_MAGIC_V2: {
1042 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1044 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1047 return pb->pb_last_committed;
1050 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1054 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1056 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1058 switch (msg->lm_magic) {
1059 case LUSTRE_MSG_MAGIC_V1:
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_pre_versions;
1070 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1074 EXPORT_SYMBOL(lustre_msg_get_versions);
1076 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1078 switch (msg->lm_magic) {
1079 case LUSTRE_MSG_MAGIC_V2: {
1080 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1082 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1085 return pb->pb_transno;
1088 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1092 EXPORT_SYMBOL(lustre_msg_get_transno);
1094 int lustre_msg_get_status(struct lustre_msg *msg)
1096 switch (msg->lm_magic) {
1097 case LUSTRE_MSG_MAGIC_V2: {
1098 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1100 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1103 return pb->pb_status;
1106 /* status might be printed in debug code while message
1111 EXPORT_SYMBOL(lustre_msg_get_status);
1113 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1115 switch (msg->lm_magic) {
1116 case LUSTRE_MSG_MAGIC_V2: {
1117 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1119 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1125 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1131 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1133 switch (msg->lm_magic) {
1134 case LUSTRE_MSG_MAGIC_V2: {
1135 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1137 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1144 CERROR("invalid msg magic %x\n", msg->lm_magic);
1149 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1151 switch (msg->lm_magic) {
1152 case LUSTRE_MSG_MAGIC_V2: {
1153 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1155 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1158 return pb->pb_limit;
1161 CERROR("invalid msg magic %x\n", msg->lm_magic);
1167 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1169 switch (msg->lm_magic) {
1170 case LUSTRE_MSG_MAGIC_V2: {
1171 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1173 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1176 pb->pb_limit = limit;
1180 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1185 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1187 switch (msg->lm_magic) {
1188 case LUSTRE_MSG_MAGIC_V2: {
1189 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1191 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1194 return pb->pb_conn_cnt;
1197 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1201 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1203 int lustre_msg_is_v1(struct lustre_msg *msg)
1205 switch (msg->lm_magic) {
1206 case LUSTRE_MSG_MAGIC_V1:
1207 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1214 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1216 switch (msg->lm_magic) {
1217 case LUSTRE_MSG_MAGIC_V2:
1218 return msg->lm_magic;
1220 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1225 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1227 switch (msg->lm_magic) {
1228 case LUSTRE_MSG_MAGIC_V1:
1229 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1231 case LUSTRE_MSG_MAGIC_V2: {
1232 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1234 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1238 return pb->pb_timeout;
1241 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1246 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1248 switch (msg->lm_magic) {
1249 case LUSTRE_MSG_MAGIC_V1:
1250 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1252 case LUSTRE_MSG_MAGIC_V2: {
1253 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1255 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1259 return pb->pb_service_time;
1262 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1267 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1269 switch (msg->lm_magic) {
1270 case LUSTRE_MSG_MAGIC_V1:
1271 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1273 case LUSTRE_MSG_MAGIC_V2: {
1274 struct ptlrpc_body *pb =
1275 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1276 sizeof(struct ptlrpc_body));
1280 return pb->pb_jobid;
1283 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1287 EXPORT_SYMBOL(lustre_msg_get_jobid);
1289 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1291 switch (msg->lm_magic) {
1292 case LUSTRE_MSG_MAGIC_V2:
1293 return msg->lm_cksum;
1295 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1300 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0)
1302 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1303 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1304 * more sense to compute the checksum on the full ptlrpc_body, regardless
1305 * of what size it is, but in order to keep interoperability with 1.8 we
1306 * can optionally also checksum only the first 88 bytes (caller decides). */
1307 # define ptlrpc_body_cksum_size_compat18 88
1309 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1311 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1314 switch (msg->lm_magic) {
1315 case LUSTRE_MSG_MAGIC_V2: {
1316 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1317 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0)
1318 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1319 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1321 __u32 len = lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1323 unsigned int hsize = 4;
1326 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1327 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1328 len, NULL, 0, (unsigned char *)&crc,
1333 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1338 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1340 switch (msg->lm_magic) {
1341 case LUSTRE_MSG_MAGIC_V2: {
1342 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1343 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1344 pb->pb_handle = *handle;
1348 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1352 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1354 switch (msg->lm_magic) {
1355 case LUSTRE_MSG_MAGIC_V2: {
1356 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1357 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1362 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1366 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1368 switch (msg->lm_magic) {
1369 case LUSTRE_MSG_MAGIC_V2: {
1370 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1371 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1376 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1380 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1382 switch (msg->lm_magic) {
1383 case LUSTRE_MSG_MAGIC_V2: {
1384 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1385 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1386 pb->pb_last_xid = last_xid;
1390 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1394 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1396 switch (msg->lm_magic) {
1397 case LUSTRE_MSG_MAGIC_V2: {
1398 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1399 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1400 pb->pb_last_committed = last_committed;
1404 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1408 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1410 switch (msg->lm_magic) {
1411 case LUSTRE_MSG_MAGIC_V1:
1413 case LUSTRE_MSG_MAGIC_V2: {
1414 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1415 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1416 pb->pb_pre_versions[0] = versions[0];
1417 pb->pb_pre_versions[1] = versions[1];
1418 pb->pb_pre_versions[2] = versions[2];
1419 pb->pb_pre_versions[3] = versions[3];
1423 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1426 EXPORT_SYMBOL(lustre_msg_set_versions);
1428 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1430 switch (msg->lm_magic) {
1431 case LUSTRE_MSG_MAGIC_V2: {
1432 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1433 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1434 pb->pb_transno = transno;
1438 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1441 EXPORT_SYMBOL(lustre_msg_set_transno);
1443 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1445 switch (msg->lm_magic) {
1446 case LUSTRE_MSG_MAGIC_V2: {
1447 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1448 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1449 pb->pb_status = status;
1453 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1456 EXPORT_SYMBOL(lustre_msg_set_status);
1458 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1460 switch (msg->lm_magic) {
1461 case LUSTRE_MSG_MAGIC_V2: {
1462 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1463 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1464 pb->pb_conn_cnt = conn_cnt;
1468 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1472 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1474 switch (msg->lm_magic) {
1475 case LUSTRE_MSG_MAGIC_V1:
1477 case LUSTRE_MSG_MAGIC_V2: {
1478 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1479 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1480 pb->pb_timeout = timeout;
1484 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1488 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1490 switch (msg->lm_magic) {
1491 case LUSTRE_MSG_MAGIC_V1:
1493 case LUSTRE_MSG_MAGIC_V2: {
1494 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1495 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1496 pb->pb_service_time = service_time;
1500 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1504 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1506 switch (msg->lm_magic) {
1507 case LUSTRE_MSG_MAGIC_V1:
1509 case LUSTRE_MSG_MAGIC_V2: {
1510 __u32 opc = lustre_msg_get_opc(msg);
1511 struct ptlrpc_body *pb;
1513 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1514 * See the comment in ptlrpc_request_pack(). */
1515 if (!opc || opc == LDLM_BL_CALLBACK ||
1516 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1519 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1520 sizeof(struct ptlrpc_body));
1521 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1524 memcpy(pb->pb_jobid, jobid, LUSTRE_JOBID_SIZE);
1525 else if (pb->pb_jobid[0] == '\0')
1526 lustre_get_jobid(pb->pb_jobid);
1530 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1533 EXPORT_SYMBOL(lustre_msg_set_jobid);
1535 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1537 switch (msg->lm_magic) {
1538 case LUSTRE_MSG_MAGIC_V1:
1540 case LUSTRE_MSG_MAGIC_V2:
1541 msg->lm_cksum = cksum;
1544 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1549 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1551 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1553 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1554 req->rq_pill.rc_area[RCL_SERVER]);
1555 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1556 req->rq_reqmsg->lm_repsize = req->rq_replen;
1558 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1560 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1562 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1563 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1564 req->rq_reqmsg->lm_repsize = req->rq_replen;
1568 * Send a remote set_info_async.
1570 * This may go from client to server or server to client.
1572 int do_set_info_async(struct obd_import *imp,
1573 int opcode, int version,
1574 size_t keylen, void *key,
1575 size_t vallen, void *val,
1576 struct ptlrpc_request_set *set)
1578 struct ptlrpc_request *req;
1583 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1587 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1588 RCL_CLIENT, keylen);
1589 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1590 RCL_CLIENT, vallen);
1591 rc = ptlrpc_request_pack(req, version, opcode);
1593 ptlrpc_request_free(req);
1597 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1598 memcpy(tmp, key, keylen);
1599 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1600 memcpy(tmp, val, vallen);
1602 ptlrpc_request_set_replen(req);
1605 ptlrpc_set_add_req(set, req);
1606 ptlrpc_check_set(NULL, set);
1608 rc = ptlrpc_queue_wait(req);
1609 ptlrpc_req_finished(req);
1614 EXPORT_SYMBOL(do_set_info_async);
1616 /* byte flipping routines for all wire types declared in
1617 * lustre_idl.h implemented here.
1619 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1621 __swab32s (&b->pb_type);
1622 __swab32s (&b->pb_version);
1623 __swab32s (&b->pb_opc);
1624 __swab32s (&b->pb_status);
1625 __swab64s (&b->pb_last_xid);
1626 __swab64s (&b->pb_last_seen);
1627 __swab64s (&b->pb_last_committed);
1628 __swab64s (&b->pb_transno);
1629 __swab32s (&b->pb_flags);
1630 __swab32s (&b->pb_op_flags);
1631 __swab32s (&b->pb_conn_cnt);
1632 __swab32s (&b->pb_timeout);
1633 __swab32s (&b->pb_service_time);
1634 __swab32s (&b->pb_limit);
1635 __swab64s (&b->pb_slv);
1636 __swab64s (&b->pb_pre_versions[0]);
1637 __swab64s (&b->pb_pre_versions[1]);
1638 __swab64s (&b->pb_pre_versions[2]);
1639 __swab64s (&b->pb_pre_versions[3]);
1640 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1641 /* While we need to maintain compatibility between
1642 * clients and servers without ptlrpc_body_v2 (< 2.3)
1643 * do not swab any fields beyond pb_jobid, as we are
1644 * using this swab function for both ptlrpc_body
1645 * and ptlrpc_body_v2. */
1646 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1649 void lustre_swab_connect(struct obd_connect_data *ocd)
1651 __swab64s(&ocd->ocd_connect_flags);
1652 __swab32s(&ocd->ocd_version);
1653 __swab32s(&ocd->ocd_grant);
1654 __swab64s(&ocd->ocd_ibits_known);
1655 __swab32s(&ocd->ocd_index);
1656 __swab32s(&ocd->ocd_brw_size);
1657 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1658 * they are 8-byte values */
1659 __swab16s(&ocd->ocd_grant_extent);
1660 __swab32s(&ocd->ocd_unused);
1661 __swab64s(&ocd->ocd_transno);
1662 __swab32s(&ocd->ocd_group);
1663 __swab32s(&ocd->ocd_cksum_types);
1664 __swab32s(&ocd->ocd_instance);
1665 /* Fields after ocd_cksum_types are only accessible by the receiver
1666 * if the corresponding flag in ocd_connect_flags is set. Accessing
1667 * any field after ocd_maxbytes on the receiver without a valid flag
1668 * may result in out-of-bound memory access and kernel oops. */
1669 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1670 __swab32s(&ocd->ocd_max_easize);
1671 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1672 __swab64s(&ocd->ocd_maxbytes);
1673 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1674 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1675 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1676 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1677 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1678 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1679 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1680 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1681 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1682 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1683 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1684 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1685 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1686 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1687 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1690 void lustre_swab_obdo (struct obdo *o)
1692 __swab64s (&o->o_valid);
1693 lustre_swab_ost_id(&o->o_oi);
1694 __swab64s (&o->o_parent_seq);
1695 __swab64s (&o->o_size);
1696 __swab64s (&o->o_mtime);
1697 __swab64s (&o->o_atime);
1698 __swab64s (&o->o_ctime);
1699 __swab64s (&o->o_blocks);
1700 __swab64s (&o->o_grant);
1701 __swab32s (&o->o_blksize);
1702 __swab32s (&o->o_mode);
1703 __swab32s (&o->o_uid);
1704 __swab32s (&o->o_gid);
1705 __swab32s (&o->o_flags);
1706 __swab32s (&o->o_nlink);
1707 __swab32s (&o->o_parent_oid);
1708 __swab32s (&o->o_misc);
1709 __swab64s (&o->o_ioepoch);
1710 __swab32s (&o->o_stripe_idx);
1711 __swab32s (&o->o_parent_ver);
1712 /* o_handle is opaque */
1713 /* o_lcookie is swabbed elsewhere */
1714 __swab32s (&o->o_uid_h);
1715 __swab32s (&o->o_gid_h);
1716 __swab64s (&o->o_data_version);
1717 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1718 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1719 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1722 EXPORT_SYMBOL(lustre_swab_obdo);
1724 void lustre_swab_obd_statfs (struct obd_statfs *os)
1726 __swab64s (&os->os_type);
1727 __swab64s (&os->os_blocks);
1728 __swab64s (&os->os_bfree);
1729 __swab64s (&os->os_bavail);
1730 __swab64s (&os->os_files);
1731 __swab64s (&os->os_ffree);
1732 /* no need to swab os_fsid */
1733 __swab32s (&os->os_bsize);
1734 __swab32s (&os->os_namelen);
1735 __swab64s (&os->os_maxbytes);
1736 __swab32s (&os->os_state);
1737 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1738 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1739 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1740 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1741 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1742 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1743 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1744 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1745 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1748 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1750 lustre_swab_ost_id(&ioo->ioo_oid);
1751 __swab32s(&ioo->ioo_max_brw);
1752 __swab32s(&ioo->ioo_bufcnt);
1755 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1757 __swab64s(&nbr->rnb_offset);
1758 __swab32s(&nbr->rnb_len);
1759 __swab32s(&nbr->rnb_flags);
1762 void lustre_swab_ost_body (struct ost_body *b)
1764 lustre_swab_obdo (&b->oa);
1767 void lustre_swab_ost_last_id(u64 *id)
1772 void lustre_swab_generic_32s(__u32 *val)
1777 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1779 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1780 __swab64s(&desc->lquota_desc.gl_flags);
1781 __swab64s(&desc->lquota_desc.gl_ver);
1782 __swab64s(&desc->lquota_desc.gl_hardlimit);
1783 __swab64s(&desc->lquota_desc.gl_softlimit);
1784 __swab64s(&desc->lquota_desc.gl_time);
1785 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1788 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1790 __swab64s(&lvb->lvb_size);
1791 __swab64s(&lvb->lvb_mtime);
1792 __swab64s(&lvb->lvb_atime);
1793 __swab64s(&lvb->lvb_ctime);
1794 __swab64s(&lvb->lvb_blocks);
1796 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1798 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1800 __swab64s(&lvb->lvb_size);
1801 __swab64s(&lvb->lvb_mtime);
1802 __swab64s(&lvb->lvb_atime);
1803 __swab64s(&lvb->lvb_ctime);
1804 __swab64s(&lvb->lvb_blocks);
1805 __swab32s(&lvb->lvb_mtime_ns);
1806 __swab32s(&lvb->lvb_atime_ns);
1807 __swab32s(&lvb->lvb_ctime_ns);
1808 __swab32s(&lvb->lvb_padding);
1810 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1812 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1814 __swab64s(&lvb->lvb_flags);
1815 __swab64s(&lvb->lvb_id_may_rel);
1816 __swab64s(&lvb->lvb_id_rel);
1817 __swab64s(&lvb->lvb_id_qunit);
1818 __swab64s(&lvb->lvb_pad1);
1820 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1822 void lustre_swab_mdt_body (struct mdt_body *b)
1824 lustre_swab_lu_fid(&b->mbo_fid1);
1825 lustre_swab_lu_fid(&b->mbo_fid2);
1826 /* handle is opaque */
1827 __swab64s(&b->mbo_valid);
1828 __swab64s(&b->mbo_size);
1829 __swab64s(&b->mbo_mtime);
1830 __swab64s(&b->mbo_atime);
1831 __swab64s(&b->mbo_ctime);
1832 __swab64s(&b->mbo_blocks);
1833 __swab64s(&b->mbo_ioepoch);
1834 __swab64s(&b->mbo_t_state);
1835 __swab32s(&b->mbo_fsuid);
1836 __swab32s(&b->mbo_fsgid);
1837 __swab32s(&b->mbo_capability);
1838 __swab32s(&b->mbo_mode);
1839 __swab32s(&b->mbo_uid);
1840 __swab32s(&b->mbo_gid);
1841 __swab32s(&b->mbo_flags);
1842 __swab32s(&b->mbo_rdev);
1843 __swab32s(&b->mbo_nlink);
1844 CLASSERT(offsetof(typeof(*b), mbo_unused2) != 0);
1845 __swab32s(&b->mbo_suppgid);
1846 __swab32s(&b->mbo_eadatasize);
1847 __swab32s(&b->mbo_aclsize);
1848 __swab32s(&b->mbo_max_mdsize);
1849 __swab32s(&b->mbo_max_cookiesize);
1850 __swab32s(&b->mbo_uid_h);
1851 __swab32s(&b->mbo_gid_h);
1852 CLASSERT(offsetof(typeof(*b), mbo_padding_5) != 0);
1855 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1857 /* handle is opaque */
1858 __swab64s (&b->ioepoch);
1859 __swab32s (&b->flags);
1860 CLASSERT(offsetof(typeof(*b), padding) != 0);
1863 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1866 __swab32s(&mti->mti_lustre_ver);
1867 __swab32s(&mti->mti_stripe_index);
1868 __swab32s(&mti->mti_config_ver);
1869 __swab32s(&mti->mti_flags);
1870 __swab32s(&mti->mti_instance);
1871 __swab32s(&mti->mti_nid_count);
1872 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1873 for (i = 0; i < MTI_NIDS_MAX; i++)
1874 __swab64s(&mti->mti_nids[i]);
1877 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1881 __swab64s(&entry->mne_version);
1882 __swab32s(&entry->mne_instance);
1883 __swab32s(&entry->mne_index);
1884 __swab32s(&entry->mne_length);
1886 /* mne_nid_(count|type) must be one byte size because we're gonna
1887 * access it w/o swapping. */
1888 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1889 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1891 /* remove this assertion if ipv6 is supported. */
1892 LASSERT(entry->mne_nid_type == 0);
1893 for (i = 0; i < entry->mne_nid_count; i++) {
1894 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1895 __swab64s(&entry->u.nids[i]);
1898 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1900 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1902 __swab64s(&body->mcb_offset);
1903 __swab32s(&body->mcb_units);
1904 __swab16s(&body->mcb_type);
1907 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1909 __swab64s(&body->mcr_offset);
1910 __swab64s(&body->mcr_size);
1913 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1915 __swab64s (&i->dqi_bgrace);
1916 __swab64s (&i->dqi_igrace);
1917 __swab32s (&i->dqi_flags);
1918 __swab32s (&i->dqi_valid);
1921 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1923 __swab64s (&b->dqb_ihardlimit);
1924 __swab64s (&b->dqb_isoftlimit);
1925 __swab64s (&b->dqb_curinodes);
1926 __swab64s (&b->dqb_bhardlimit);
1927 __swab64s (&b->dqb_bsoftlimit);
1928 __swab64s (&b->dqb_curspace);
1929 __swab64s (&b->dqb_btime);
1930 __swab64s (&b->dqb_itime);
1931 __swab32s (&b->dqb_valid);
1932 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1935 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1937 __swab32s (&q->qc_cmd);
1938 __swab32s (&q->qc_type);
1939 __swab32s (&q->qc_id);
1940 __swab32s (&q->qc_stat);
1941 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1942 lustre_swab_obd_dqblk (&q->qc_dqblk);
1945 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1947 __swab32s (&p->rp_uid);
1948 __swab32s (&p->rp_gid);
1949 __swab32s (&p->rp_fsuid);
1950 __swab32s (&p->rp_fsuid_h);
1951 __swab32s (&p->rp_fsgid);
1952 __swab32s (&p->rp_fsgid_h);
1953 __swab32s (&p->rp_access_perm);
1954 __swab32s (&p->rp_padding);
1956 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
1958 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1960 lustre_swab_lu_fid(&gf->gf_fid);
1961 __swab64s(&gf->gf_recno);
1962 __swab32s(&gf->gf_linkno);
1963 __swab32s(&gf->gf_pathlen);
1965 EXPORT_SYMBOL(lustre_swab_fid2path);
1967 static void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1969 __swab64s(&fm_extent->fe_logical);
1970 __swab64s(&fm_extent->fe_physical);
1971 __swab64s(&fm_extent->fe_length);
1972 __swab32s(&fm_extent->fe_flags);
1973 __swab32s(&fm_extent->fe_device);
1976 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1980 __swab64s(&fiemap->fm_start);
1981 __swab64s(&fiemap->fm_length);
1982 __swab32s(&fiemap->fm_flags);
1983 __swab32s(&fiemap->fm_mapped_extents);
1984 __swab32s(&fiemap->fm_extent_count);
1985 __swab32s(&fiemap->fm_reserved);
1987 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1988 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1991 void lustre_swab_idx_info(struct idx_info *ii)
1993 __swab32s(&ii->ii_magic);
1994 __swab32s(&ii->ii_flags);
1995 __swab16s(&ii->ii_count);
1996 __swab32s(&ii->ii_attrs);
1997 lustre_swab_lu_fid(&ii->ii_fid);
1998 __swab64s(&ii->ii_version);
1999 __swab64s(&ii->ii_hash_start);
2000 __swab64s(&ii->ii_hash_end);
2001 __swab16s(&ii->ii_keysize);
2002 __swab16s(&ii->ii_recsize);
2005 void lustre_swab_lip_header(struct lu_idxpage *lip)
2008 __swab32s(&lip->lip_magic);
2009 __swab16s(&lip->lip_flags);
2010 __swab16s(&lip->lip_nr);
2012 EXPORT_SYMBOL(lustre_swab_lip_header);
2014 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2016 __swab32s(&rr->rr_opcode);
2017 __swab32s(&rr->rr_cap);
2018 __swab32s(&rr->rr_fsuid);
2019 /* rr_fsuid_h is unused */
2020 __swab32s(&rr->rr_fsgid);
2021 /* rr_fsgid_h is unused */
2022 __swab32s(&rr->rr_suppgid1);
2023 /* rr_suppgid1_h is unused */
2024 __swab32s(&rr->rr_suppgid2);
2025 /* rr_suppgid2_h is unused */
2026 lustre_swab_lu_fid(&rr->rr_fid1);
2027 lustre_swab_lu_fid(&rr->rr_fid2);
2028 __swab64s(&rr->rr_mtime);
2029 __swab64s(&rr->rr_atime);
2030 __swab64s(&rr->rr_ctime);
2031 __swab64s(&rr->rr_size);
2032 __swab64s(&rr->rr_blocks);
2033 __swab32s(&rr->rr_bias);
2034 __swab32s(&rr->rr_mode);
2035 __swab32s(&rr->rr_flags);
2036 __swab32s(&rr->rr_flags_h);
2037 __swab32s(&rr->rr_umask);
2039 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2042 void lustre_swab_lov_desc (struct lov_desc *ld)
2044 __swab32s (&ld->ld_tgt_count);
2045 __swab32s (&ld->ld_active_tgt_count);
2046 __swab32s (&ld->ld_default_stripe_count);
2047 __swab32s (&ld->ld_pattern);
2048 __swab64s (&ld->ld_default_stripe_size);
2049 __swab64s (&ld->ld_default_stripe_offset);
2050 __swab32s (&ld->ld_qos_maxage);
2051 /* uuid endian insensitive */
2053 EXPORT_SYMBOL(lustre_swab_lov_desc);
2055 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2057 __swab32s (&ld->ld_tgt_count);
2058 __swab32s (&ld->ld_active_tgt_count);
2059 __swab32s (&ld->ld_default_stripe_count);
2060 __swab32s (&ld->ld_pattern);
2061 __swab64s (&ld->ld_default_hash_size);
2062 __swab32s (&ld->ld_qos_maxage);
2063 /* uuid endian insensitive */
2066 /* This structure is always in little-endian */
2067 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2071 __swab32s(&lmm1->lmv_magic);
2072 __swab32s(&lmm1->lmv_stripe_count);
2073 __swab32s(&lmm1->lmv_master_mdt_index);
2074 __swab32s(&lmm1->lmv_hash_type);
2075 __swab32s(&lmm1->lmv_layout_version);
2076 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2077 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2080 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2082 switch (lmm->lmv_magic) {
2084 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2091 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2093 __swab32s(&lum->lum_magic);
2094 __swab32s(&lum->lum_stripe_count);
2095 __swab32s(&lum->lum_stripe_offset);
2096 __swab32s(&lum->lum_hash_type);
2097 __swab32s(&lum->lum_type);
2098 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2100 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2102 void lustre_print_user_md(unsigned int lvl, struct lov_user_md *lum,
2105 if (likely(!cfs_cdebug_show(lvl, DEBUG_SUBSYSTEM)))
2108 CDEBUG(lvl, "%s lov_user_md %p:\n", msg, lum);
2109 CDEBUG(lvl, "\tlmm_magic: %#x\n", lum->lmm_magic);
2110 CDEBUG(lvl, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2111 CDEBUG(lvl, "\tlmm_object_id: "LPU64"\n", lmm_oi_id(&lum->lmm_oi));
2112 CDEBUG(lvl, "\tlmm_object_gr: "LPU64"\n", lmm_oi_seq(&lum->lmm_oi));
2113 CDEBUG(lvl, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2114 CDEBUG(lvl, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2115 CDEBUG(lvl, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2116 lum->lmm_stripe_offset);
2117 if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
2118 struct lov_user_md_v3 *v3 = (void *)lum;
2119 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2121 if (lum->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2122 struct lov_user_md_v3 *v3 = (void *)lum;
2125 if (v3->lmm_pool_name[0] != '\0')
2126 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2128 CDEBUG(lvl, "\ttarget list:\n");
2129 for (i = 0; i < v3->lmm_stripe_count; i++)
2130 CDEBUG(lvl, "\t\t%u\n", v3->lmm_objects[i].l_ost_idx);
2133 EXPORT_SYMBOL(lustre_print_user_md);
2135 static void lustre_swab_lmm_oi(struct ost_id *oi)
2137 __swab64s(&oi->oi.oi_id);
2138 __swab64s(&oi->oi.oi_seq);
2141 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2144 __swab32s(&lum->lmm_magic);
2145 __swab32s(&lum->lmm_pattern);
2146 lustre_swab_lmm_oi(&lum->lmm_oi);
2147 __swab32s(&lum->lmm_stripe_size);
2148 __swab16s(&lum->lmm_stripe_count);
2149 __swab16s(&lum->lmm_stripe_offset);
2153 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2156 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2157 lustre_swab_lov_user_md_common(lum);
2160 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2162 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2165 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2166 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2167 /* lmm_pool_name nothing to do with char */
2170 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2172 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2175 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2176 __swab32s(&lmm->lmm_magic);
2177 __swab32s(&lmm->lmm_pattern);
2178 lustre_swab_lmm_oi(&lmm->lmm_oi);
2179 __swab32s(&lmm->lmm_stripe_size);
2180 __swab16s(&lmm->lmm_stripe_count);
2181 __swab16s(&lmm->lmm_layout_gen);
2185 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2190 for (i = 0; i < stripe_count; i++) {
2191 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2192 __swab32s(&(lod[i].l_ost_gen));
2193 __swab32s(&(lod[i].l_ost_idx));
2197 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2199 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2203 for (i = 0; i < RES_NAME_SIZE; i++)
2204 __swab64s (&id->name[i]);
2207 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2209 /* the lock data is a union and the first two fields are always an
2210 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2211 * data the same way. */
2212 __swab64s(&d->l_extent.start);
2213 __swab64s(&d->l_extent.end);
2214 __swab64s(&d->l_extent.gid);
2215 __swab64s(&d->l_flock.lfw_owner);
2216 __swab32s(&d->l_flock.lfw_pid);
2219 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2221 __swab64s (&i->opc);
2224 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2226 __swab32s (&r->lr_type);
2227 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2228 lustre_swab_ldlm_res_id (&r->lr_name);
2231 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2233 lustre_swab_ldlm_resource_desc (&l->l_resource);
2234 __swab32s (&l->l_req_mode);
2235 __swab32s (&l->l_granted_mode);
2236 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2239 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2241 __swab32s (&rq->lock_flags);
2242 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2243 __swab32s (&rq->lock_count);
2244 /* lock_handle[] opaque */
2247 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2249 __swab32s (&r->lock_flags);
2250 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2251 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2252 /* lock_handle opaque */
2253 __swab64s (&r->lock_policy_res1);
2254 __swab64s (&r->lock_policy_res2);
2257 void lustre_swab_quota_body(struct quota_body *b)
2259 lustre_swab_lu_fid(&b->qb_fid);
2260 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2261 __swab32s(&b->qb_flags);
2262 __swab64s(&b->qb_count);
2263 __swab64s(&b->qb_usage);
2264 __swab64s(&b->qb_slv_ver);
2267 /* Dump functions */
2268 void dump_ioo(struct obd_ioobj *ioo)
2271 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2272 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2276 void dump_rniobuf(struct niobuf_remote *nb)
2278 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2279 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2282 void dump_obdo(struct obdo *oa)
2284 __u32 valid = oa->o_valid;
2286 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2287 if (valid & OBD_MD_FLID)
2288 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2289 if (valid & OBD_MD_FLFID)
2290 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2292 if (valid & OBD_MD_FLSIZE)
2293 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2294 if (valid & OBD_MD_FLMTIME)
2295 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2296 if (valid & OBD_MD_FLATIME)
2297 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2298 if (valid & OBD_MD_FLCTIME)
2299 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2300 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2301 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2302 if (valid & OBD_MD_FLGRANT)
2303 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2304 if (valid & OBD_MD_FLBLKSZ)
2305 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2306 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2307 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2308 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2309 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2310 if (valid & OBD_MD_FLUID)
2311 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2312 if (valid & OBD_MD_FLUID)
2313 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2314 if (valid & OBD_MD_FLGID)
2315 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2316 if (valid & OBD_MD_FLGID)
2317 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2318 if (valid & OBD_MD_FLFLAGS)
2319 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2320 if (valid & OBD_MD_FLNLINK)
2321 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2322 else if (valid & OBD_MD_FLCKSUM)
2323 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2325 if (valid & OBD_MD_FLGENER)
2326 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2328 if (valid & OBD_MD_FLEPOCH)
2329 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2331 if (valid & OBD_MD_FLFID) {
2332 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2334 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2337 if (valid & OBD_MD_FLHANDLE)
2338 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2339 oa->o_handle.cookie);
2340 if (valid & OBD_MD_FLCOOKIE)
2341 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2342 "(llog_cookie dumping not yet implemented)\n");
2345 void dump_ost_body(struct ost_body *ob)
2350 void dump_rcs(__u32 *rc)
2352 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2355 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2357 LASSERT(req->rq_reqmsg);
2359 switch (req->rq_reqmsg->lm_magic) {
2360 case LUSTRE_MSG_MAGIC_V2:
2361 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2363 CERROR("bad lustre msg magic: %#08X\n",
2364 req->rq_reqmsg->lm_magic);
2369 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2371 LASSERT(req->rq_repmsg);
2373 switch (req->rq_repmsg->lm_magic) {
2374 case LUSTRE_MSG_MAGIC_V2:
2375 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2377 /* uninitialized yet */
2382 void _debug_req(struct ptlrpc_request *req,
2383 struct libcfs_debug_msg_data *msgdata,
2384 const char *fmt, ... )
2386 int req_ok = req->rq_reqmsg != NULL;
2387 int rep_ok = req->rq_repmsg != NULL;
2388 lnet_nid_t nid = LNET_NID_ANY;
2391 if (ptlrpc_req_need_swab(req)) {
2392 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2393 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2396 if (req->rq_import && req->rq_import->imp_connection)
2397 nid = req->rq_import->imp_connection->c_peer.nid;
2398 else if (req->rq_export && req->rq_export->exp_connection)
2399 nid = req->rq_export->exp_connection->c_peer.nid;
2401 va_start(args, fmt);
2402 libcfs_debug_vmsg2(msgdata, fmt, args,
2403 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2404 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2405 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2406 req, req->rq_xid, req->rq_transno,
2407 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2408 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2410 req->rq_import->imp_obd->obd_name :
2412 req->rq_export->exp_client_uuid.uuid :
2414 libcfs_nid2str(nid),
2415 req->rq_request_portal, req->rq_reply_portal,
2416 req->rq_reqlen, req->rq_replen,
2417 req->rq_early_count, req->rq_timedout,
2419 atomic_read(&req->rq_refcount),
2420 DEBUG_REQ_FLAGS(req),
2421 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2422 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2424 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2427 EXPORT_SYMBOL(_debug_req);
2429 void lustre_swab_lustre_capa(struct lustre_capa *c)
2431 lustre_swab_lu_fid(&c->lc_fid);
2432 __swab64s (&c->lc_opc);
2433 __swab64s (&c->lc_uid);
2434 __swab64s (&c->lc_gid);
2435 __swab32s (&c->lc_flags);
2436 __swab32s (&c->lc_keyid);
2437 __swab32s (&c->lc_timeout);
2438 __swab32s (&c->lc_expiry);
2441 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2443 __swab64s (&k->lk_seq);
2444 __swab32s (&k->lk_keyid);
2445 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2448 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2450 __swab32s(&state->hus_states);
2451 __swab32s(&state->hus_archive_id);
2454 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2456 __swab32s(&hss->hss_valid);
2457 __swab64s(&hss->hss_setmask);
2458 __swab64s(&hss->hss_clearmask);
2459 __swab32s(&hss->hss_archive_id);
2462 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2464 __swab64s(&extent->offset);
2465 __swab64s(&extent->length);
2468 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2470 __swab32s(&action->hca_state);
2471 __swab32s(&action->hca_action);
2472 lustre_swab_hsm_extent(&action->hca_location);
2475 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2477 lustre_swab_lu_fid(&hui->hui_fid);
2478 lustre_swab_hsm_extent(&hui->hui_extent);
2481 void lustre_swab_layout_intent(struct layout_intent *li)
2483 __swab32s(&li->li_opc);
2484 __swab32s(&li->li_flags);
2485 __swab64s(&li->li_start);
2486 __swab64s(&li->li_end);
2489 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2491 lustre_swab_lu_fid(&hpk->hpk_fid);
2492 __swab64s(&hpk->hpk_cookie);
2493 __swab64s(&hpk->hpk_extent.offset);
2494 __swab64s(&hpk->hpk_extent.length);
2495 __swab16s(&hpk->hpk_flags);
2496 __swab16s(&hpk->hpk_errval);
2499 void lustre_swab_hsm_request(struct hsm_request *hr)
2501 __swab32s(&hr->hr_action);
2502 __swab32s(&hr->hr_archive_id);
2503 __swab64s(&hr->hr_flags);
2504 __swab32s(&hr->hr_itemcount);
2505 __swab32s(&hr->hr_data_len);
2508 void lustre_swab_object_update(struct object_update *ou)
2510 struct object_update_param *param;
2513 __swab16s(&ou->ou_type);
2514 __swab16s(&ou->ou_params_count);
2515 __swab32s(&ou->ou_master_index);
2516 __swab32s(&ou->ou_flags);
2517 __swab32s(&ou->ou_padding1);
2518 __swab64s(&ou->ou_batchid);
2519 lustre_swab_lu_fid(&ou->ou_fid);
2520 param = &ou->ou_params[0];
2521 for (i = 0; i < ou->ou_params_count; i++) {
2522 __swab16s(¶m->oup_len);
2523 __swab16s(¶m->oup_padding);
2524 __swab32s(¶m->oup_padding2);
2525 param = (struct object_update_param *)((char *)param +
2526 object_update_param_size(param));
2530 void lustre_swab_object_update_request(struct object_update_request *our)
2533 __swab32s(&our->ourq_magic);
2534 __swab16s(&our->ourq_count);
2535 __swab16s(&our->ourq_padding);
2536 for (i = 0; i < our->ourq_count; i++) {
2537 struct object_update *ou;
2539 ou = object_update_request_get(our, i, NULL);
2542 lustre_swab_object_update(ou);
2546 void lustre_swab_object_update_result(struct object_update_result *our)
2548 __swab32s(&our->our_rc);
2549 __swab16s(&our->our_datalen);
2550 __swab16s(&our->our_padding);
2553 void lustre_swab_object_update_reply(struct object_update_reply *our)
2557 __swab32s(&our->ourp_magic);
2558 __swab16s(&our->ourp_count);
2559 __swab16s(&our->ourp_padding);
2560 for (i = 0; i < our->ourp_count; i++) {
2561 struct object_update_result *ourp;
2563 __swab16s(&our->ourp_lens[i]);
2564 ourp = object_update_result_get(our, i, NULL);
2567 lustre_swab_object_update_result(ourp);
2571 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2573 __swab64s(&msl->msl_flags);
2576 void lustre_swab_close_data(struct close_data *cd)
2578 lustre_swab_lu_fid(&cd->cd_fid);
2579 __swab64s(&cd->cd_data_version);
2582 void lustre_swab_lfsck_request(struct lfsck_request *lr)
2584 __swab32s(&lr->lr_event);
2585 __swab32s(&lr->lr_index);
2586 __swab32s(&lr->lr_flags);
2587 __swab32s(&lr->lr_valid);
2588 __swab32s(&lr->lr_speed);
2589 __swab16s(&lr->lr_version);
2590 __swab16s(&lr->lr_active);
2591 __swab16s(&lr->lr_param);
2592 __swab16s(&lr->lr_async_windows);
2593 __swab32s(&lr->lr_flags);
2594 lustre_swab_lu_fid(&lr->lr_fid);
2595 lustre_swab_lu_fid(&lr->lr_fid2);
2596 lustre_swab_lu_fid(&lr->lr_fid3);
2597 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2598 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2601 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
2603 __swab32s(&lr->lr_status);
2604 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2605 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2608 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
2610 lustre_swab_lu_fid(&ent->loe_key);
2611 lustre_swab_lu_fid(&ent->loe_rec.lor_fid);
2612 __swab32s(&ent->loe_rec.lor_uid);
2613 __swab32s(&ent->loe_rec.lor_gid);
2615 EXPORT_SYMBOL(lustre_swab_orphan_ent);