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, 2015, 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 <lustre/ll_fiemap.h>
51 #include <llog_swab.h>
52 #include <lustre_net.h>
53 #include <lustre_swab.h>
54 #include <obd_cksum.h>
55 #include <obd_class.h>
56 #include <obd_support.h>
57 #include <obj_update.h>
59 #include "ptlrpc_internal.h"
61 static inline __u32 lustre_msg_hdr_size_v2(__u32 count)
63 return cfs_size_round(offsetof(struct lustre_msg_v2,
67 __u32 lustre_msg_hdr_size(__u32 magic, __u32 count)
70 case LUSTRE_MSG_MAGIC_V2:
71 return lustre_msg_hdr_size_v2(count);
73 LASSERTF(0, "incorrect message magic: %08x\n", magic);
78 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
82 lustre_set_req_swabbed(req, index);
84 lustre_set_rep_swabbed(req, index);
87 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
91 return (ptlrpc_req_need_swab(req) &&
92 !lustre_req_swabbed(req, index));
94 return (ptlrpc_rep_need_swab(req) &&
95 !lustre_rep_swabbed(req, index));
98 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
101 __u32 ver = lustre_msg_get_version(msg);
102 return (ver & LUSTRE_VERSION_MASK) != version;
105 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
107 #define LUSTRE_MSG_MAGIC_V1 0x0BD00BD0
108 switch (msg->lm_magic) {
109 case LUSTRE_MSG_MAGIC_V1:
110 CERROR("msg v1 not supported - please upgrade you system\n");
112 case LUSTRE_MSG_MAGIC_V2:
113 return lustre_msg_check_version_v2(msg, version);
115 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
118 #undef LUSTRE_MSG_MAGIC_V1
121 /* early reply size */
122 __u32 lustre_msg_early_size()
126 /* Always reply old ptlrpc_body_v2 to keep interoprability
127 * with the old client (< 2.3) which doesn't have pb_jobid
128 * in the ptlrpc_body.
130 * XXX Remove this whenever we dorp interoprability with such
133 __u32 pblen = sizeof(struct ptlrpc_body_v2);
134 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
138 EXPORT_SYMBOL(lustre_msg_early_size);
140 __u32 lustre_msg_size_v2(int count, __u32 *lengths)
145 size = lustre_msg_hdr_size_v2(count);
146 for (i = 0; i < count; i++)
147 size += cfs_size_round(lengths[i]);
151 EXPORT_SYMBOL(lustre_msg_size_v2);
153 /* This returns the size of the buffer that is required to hold a lustre_msg
154 * with the given sub-buffer lengths.
155 * NOTE: this should only be used for NEW requests, and should always be
156 * in the form of a v2 request. If this is a connection to a v1
157 * target then the first buffer will be stripped because the ptlrpc
158 * data is part of the lustre_msg_v1 header. b=14043 */
159 __u32 lustre_msg_size(__u32 magic, int count, __u32 *lens)
161 __u32 size[] = { sizeof(struct ptlrpc_body) };
169 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
172 case LUSTRE_MSG_MAGIC_V2:
173 return lustre_msg_size_v2(count, lens);
175 LASSERTF(0, "incorrect message magic: %08x\n", magic);
180 /* This is used to determine the size of a buffer that was already packed
181 * and will correctly handle the different message formats. */
182 __u32 lustre_packed_msg_size(struct lustre_msg *msg)
184 switch (msg->lm_magic) {
185 case LUSTRE_MSG_MAGIC_V2:
186 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
188 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
193 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
199 msg->lm_bufcount = count;
200 /* XXX: lm_secflvr uninitialized here */
201 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
203 for (i = 0; i < count; i++)
204 msg->lm_buflens[i] = lens[i];
209 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
210 for (i = 0; i < count; i++) {
212 LOGL(tmp, lens[i], ptr);
215 EXPORT_SYMBOL(lustre_init_msg_v2);
217 static int lustre_pack_request_v2(struct ptlrpc_request *req,
218 int count, __u32 *lens, char **bufs)
222 reqlen = lustre_msg_size_v2(count, lens);
224 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
228 req->rq_reqlen = reqlen;
230 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
231 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
235 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
236 __u32 *lens, char **bufs)
238 __u32 size[] = { sizeof(struct ptlrpc_body) };
246 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
248 /* only use new format, we don't need to be compatible with 1.4 */
249 magic = LUSTRE_MSG_MAGIC_V2;
252 case LUSTRE_MSG_MAGIC_V2:
253 return lustre_pack_request_v2(req, count, lens, bufs);
255 LASSERTF(0, "incorrect message magic: %08x\n", magic);
261 struct list_head ptlrpc_rs_debug_lru =
262 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
263 spinlock_t ptlrpc_rs_debug_lock;
265 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
267 spin_lock(&ptlrpc_rs_debug_lock); \
268 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
269 spin_unlock(&ptlrpc_rs_debug_lock); \
272 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
274 spin_lock(&ptlrpc_rs_debug_lock); \
275 list_del(&(rs)->rs_debug_list); \
276 spin_unlock(&ptlrpc_rs_debug_lock); \
279 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
280 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
283 struct ptlrpc_reply_state *
284 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
286 struct ptlrpc_reply_state *rs = NULL;
288 spin_lock(&svcpt->scp_rep_lock);
290 /* See if we have anything in a pool, and wait if nothing */
291 while (list_empty(&svcpt->scp_rep_idle)) {
292 struct l_wait_info lwi;
295 spin_unlock(&svcpt->scp_rep_lock);
296 /* If we cannot get anything for some long time, we better
297 * bail out instead of waiting infinitely */
298 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
299 rc = l_wait_event(svcpt->scp_rep_waitq,
300 !list_empty(&svcpt->scp_rep_idle), &lwi);
303 spin_lock(&svcpt->scp_rep_lock);
306 rs = list_entry(svcpt->scp_rep_idle.next,
307 struct ptlrpc_reply_state, rs_list);
308 list_del(&rs->rs_list);
310 spin_unlock(&svcpt->scp_rep_lock);
312 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
313 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
314 rs->rs_svcpt = svcpt;
320 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
322 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
324 spin_lock(&svcpt->scp_rep_lock);
325 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
326 spin_unlock(&svcpt->scp_rep_lock);
327 wake_up(&svcpt->scp_rep_waitq);
330 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
331 __u32 *lens, char **bufs, int flags)
333 struct ptlrpc_reply_state *rs;
337 LASSERT(req->rq_reply_state == NULL);
339 if ((flags & LPRFL_EARLY_REPLY) == 0) {
340 spin_lock(&req->rq_lock);
341 req->rq_packed_final = 1;
342 spin_unlock(&req->rq_lock);
345 msg_len = lustre_msg_size_v2(count, lens);
346 rc = sptlrpc_svc_alloc_rs(req, msg_len);
350 rs = req->rq_reply_state;
351 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
352 rs->rs_cb_id.cbid_fn = reply_out_callback;
353 rs->rs_cb_id.cbid_arg = rs;
354 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
355 INIT_LIST_HEAD(&rs->rs_exp_list);
356 INIT_LIST_HEAD(&rs->rs_obd_list);
357 INIT_LIST_HEAD(&rs->rs_list);
358 spin_lock_init(&rs->rs_lock);
360 req->rq_replen = msg_len;
361 req->rq_reply_state = rs;
362 req->rq_repmsg = rs->rs_msg;
364 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
365 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
367 PTLRPC_RS_DEBUG_LRU_ADD(rs);
371 EXPORT_SYMBOL(lustre_pack_reply_v2);
373 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
374 char **bufs, int flags)
377 __u32 size[] = { sizeof(struct ptlrpc_body) };
385 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
387 switch (req->rq_reqmsg->lm_magic) {
388 case LUSTRE_MSG_MAGIC_V2:
389 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
392 LASSERTF(0, "incorrect message magic: %08x\n",
393 req->rq_reqmsg->lm_magic);
397 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
398 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
402 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
405 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
407 EXPORT_SYMBOL(lustre_pack_reply);
409 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, __u32 n, __u32 min_size)
411 __u32 i, offset, buflen, bufcount;
415 bufcount = m->lm_bufcount;
416 if (unlikely(n >= bufcount)) {
417 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
422 buflen = m->lm_buflens[n];
423 if (unlikely(buflen < min_size)) {
424 CERROR("msg %p buffer[%d] size %d too small "
425 "(required %d, opc=%d)\n", m, n, buflen, min_size,
426 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
430 offset = lustre_msg_hdr_size_v2(bufcount);
431 for (i = 0; i < n; i++)
432 offset += cfs_size_round(m->lm_buflens[i]);
434 return (char *)m + offset;
437 void *lustre_msg_buf(struct lustre_msg *m, __u32 n, __u32 min_size)
439 switch (m->lm_magic) {
440 case LUSTRE_MSG_MAGIC_V2:
441 return lustre_msg_buf_v2(m, n, min_size);
443 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
448 EXPORT_SYMBOL(lustre_msg_buf);
450 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
451 unsigned int newlen, int move_data)
453 char *tail = NULL, *newpos;
457 LASSERT(msg->lm_bufcount > segment);
458 LASSERT(msg->lm_buflens[segment] >= newlen);
460 if (msg->lm_buflens[segment] == newlen)
463 if (move_data && msg->lm_bufcount > segment + 1) {
464 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
465 for (n = segment + 1; n < msg->lm_bufcount; n++)
466 tail_len += cfs_size_round(msg->lm_buflens[n]);
469 msg->lm_buflens[segment] = newlen;
471 if (tail && tail_len) {
472 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
473 LASSERT(newpos <= tail);
475 memmove(newpos, tail, tail_len);
478 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
482 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
483 * we also move data forward from @segment + 1.
485 * if @newlen == 0, we remove the segment completely, but we still keep the
486 * totally bufcount the same to save possible data moving. this will leave a
487 * unused segment with size 0 at the tail, but that's ok.
489 * return new msg size after shrinking.
492 * + if any buffers higher than @segment has been filled in, must call shrink
493 * with non-zero @move_data.
494 * + caller should NOT keep pointers to msg buffers which higher than @segment
497 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
498 unsigned int newlen, int move_data)
500 switch (msg->lm_magic) {
501 case LUSTRE_MSG_MAGIC_V2:
502 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
504 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
507 EXPORT_SYMBOL(lustre_shrink_msg);
509 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
511 PTLRPC_RS_DEBUG_LRU_DEL(rs);
513 LASSERT(atomic_read(&rs->rs_refcount) == 0);
514 LASSERT(!rs->rs_difficult || rs->rs_handled);
515 LASSERT(!rs->rs_on_net);
516 LASSERT(!rs->rs_scheduled);
517 LASSERT(rs->rs_export == NULL);
518 LASSERT(rs->rs_nlocks == 0);
519 LASSERT(list_empty(&rs->rs_exp_list));
520 LASSERT(list_empty(&rs->rs_obd_list));
522 sptlrpc_svc_free_rs(rs);
525 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
527 int swabbed, required_len, i;
529 /* Now we know the sender speaks my language. */
530 required_len = lustre_msg_hdr_size_v2(0);
531 if (len < required_len) {
532 /* can't even look inside the message */
533 CERROR("message length %d too small for lustre_msg\n", len);
537 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
540 __swab32s(&m->lm_magic);
541 __swab32s(&m->lm_bufcount);
542 __swab32s(&m->lm_secflvr);
543 __swab32s(&m->lm_repsize);
544 __swab32s(&m->lm_cksum);
545 __swab32s(&m->lm_flags);
546 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
547 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
550 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
551 if (len < required_len) {
552 /* didn't receive all the buffer lengths */
553 CERROR ("message length %d too small for %d buflens\n",
554 len, m->lm_bufcount);
558 for (i = 0; i < m->lm_bufcount; i++) {
560 __swab32s(&m->lm_buflens[i]);
561 required_len += cfs_size_round(m->lm_buflens[i]);
564 if (len < required_len) {
565 CERROR("len: %d, required_len %d\n", len, required_len);
566 CERROR("bufcount: %d\n", m->lm_bufcount);
567 for (i = 0; i < m->lm_bufcount; i++)
568 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
575 int __lustre_unpack_msg(struct lustre_msg *m, int len)
577 int required_len, rc;
580 /* We can provide a slightly better error log, if we check the
581 * message magic and version first. In the future, struct
582 * lustre_msg may grow, and we'd like to log a version mismatch,
583 * rather than a short message.
586 required_len = offsetof(struct lustre_msg, lm_magic) +
588 if (len < required_len) {
589 /* can't even look inside the message */
590 CERROR("message length %d too small for magic/version check\n",
595 rc = lustre_unpack_msg_v2(m, len);
599 EXPORT_SYMBOL(__lustre_unpack_msg);
601 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
604 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
606 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
612 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
615 rc = __lustre_unpack_msg(req->rq_repmsg, len);
617 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
623 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
624 const int inout, int offset)
626 struct ptlrpc_body *pb;
627 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
629 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
631 CERROR("error unpacking ptlrpc body\n");
634 if (ptlrpc_buf_need_swab(req, inout, offset)) {
635 lustre_swab_ptlrpc_body(pb);
636 ptlrpc_buf_set_swabbed(req, inout, offset);
639 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
640 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
645 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
650 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
652 switch (req->rq_reqmsg->lm_magic) {
653 case LUSTRE_MSG_MAGIC_V2:
654 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
656 CERROR("bad lustre msg magic: %08x\n",
657 req->rq_reqmsg->lm_magic);
662 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
664 switch (req->rq_repmsg->lm_magic) {
665 case LUSTRE_MSG_MAGIC_V2:
666 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
668 CERROR("bad lustre msg magic: %08x\n",
669 req->rq_repmsg->lm_magic);
674 static inline __u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, __u32 n)
676 if (n >= m->lm_bufcount)
679 return m->lm_buflens[n];
683 * lustre_msg_buflen - return the length of buffer \a n in message \a m
684 * \param m lustre_msg (request or reply) to look at
685 * \param n message index (base 0)
687 * returns zero for non-existent message indices
689 __u32 lustre_msg_buflen(struct lustre_msg *m, __u32 n)
691 switch (m->lm_magic) {
692 case LUSTRE_MSG_MAGIC_V2:
693 return lustre_msg_buflen_v2(m, n);
695 CERROR("incorrect message magic: %08x\n", m->lm_magic);
699 EXPORT_SYMBOL(lustre_msg_buflen);
702 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len)
704 if (n >= m->lm_bufcount)
707 m->lm_buflens[n] = len;
710 void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len)
712 switch (m->lm_magic) {
713 case LUSTRE_MSG_MAGIC_V2:
714 lustre_msg_set_buflen_v2(m, n, len);
717 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
721 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
722 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
723 __u32 lustre_msg_bufcount(struct lustre_msg *m)
725 switch (m->lm_magic) {
726 case LUSTRE_MSG_MAGIC_V2:
727 return m->lm_bufcount;
729 CERROR("incorrect message magic: %08x\n", m->lm_magic);
734 char *lustre_msg_string(struct lustre_msg *m, __u32 index, __u32 max_len)
736 /* max_len == 0 means the string should fill the buffer */
740 switch (m->lm_magic) {
741 case LUSTRE_MSG_MAGIC_V2:
742 str = lustre_msg_buf_v2(m, index, 0);
743 blen = lustre_msg_buflen_v2(m, index);
746 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
750 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
754 slen = strnlen(str, blen);
756 if (slen == blen) { /* not NULL terminated */
757 CERROR("can't unpack non-NULL terminated string in "
758 "msg %p buffer[%d] len %d\n", m, index, blen);
763 if (slen != blen - 1) {
764 CERROR("can't unpack short string in msg %p "
765 "buffer[%d] len %d: strlen %d\n",
766 m, index, blen, slen);
769 } else if (slen > max_len) {
770 CERROR("can't unpack oversized string in msg %p "
771 "buffer[%d] len %d strlen %d: max %d expected\n",
772 m, index, blen, slen, max_len);
779 /* Wrap up the normal fixed length cases */
780 static inline void *__lustre_swab_buf(struct lustre_msg *msg, __u32 index,
781 __u32 min_size, void *swabber)
785 LASSERT(msg != NULL);
786 switch (msg->lm_magic) {
787 case LUSTRE_MSG_MAGIC_V2:
788 ptr = lustre_msg_buf_v2(msg, index, min_size);
791 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
794 if (ptr != NULL && swabber != NULL)
795 ((void (*)(void *))swabber)(ptr);
800 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
802 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
803 sizeof(struct ptlrpc_body_v2));
806 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
808 switch (msg->lm_magic) {
809 case LUSTRE_MSG_MAGIC_V2:
810 /* already in host endian */
811 return msg->lm_flags;
813 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
817 EXPORT_SYMBOL(lustre_msghdr_get_flags);
819 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
821 switch (msg->lm_magic) {
822 case LUSTRE_MSG_MAGIC_V2:
823 msg->lm_flags = flags;
826 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
830 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
832 switch (msg->lm_magic) {
833 case LUSTRE_MSG_MAGIC_V2: {
834 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
838 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
842 /* flags might be printed in debug code while message
847 EXPORT_SYMBOL(lustre_msg_get_flags);
849 void lustre_msg_add_flags(struct lustre_msg *msg, __u32 flags)
851 switch (msg->lm_magic) {
852 case LUSTRE_MSG_MAGIC_V2: {
853 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
854 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
855 pb->pb_flags |= flags;
859 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
862 EXPORT_SYMBOL(lustre_msg_add_flags);
864 void lustre_msg_set_flags(struct lustre_msg *msg, __u32 flags)
866 switch (msg->lm_magic) {
867 case LUSTRE_MSG_MAGIC_V2: {
868 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
869 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
870 pb->pb_flags = flags;
874 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
878 void lustre_msg_clear_flags(struct lustre_msg *msg, __u32 flags)
880 switch (msg->lm_magic) {
881 case LUSTRE_MSG_MAGIC_V2: {
882 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
883 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
884 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
888 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
891 EXPORT_SYMBOL(lustre_msg_clear_flags);
893 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
895 switch (msg->lm_magic) {
896 case LUSTRE_MSG_MAGIC_V2: {
897 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
899 return pb->pb_op_flags;
901 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
909 void lustre_msg_add_op_flags(struct lustre_msg *msg, __u32 flags)
911 switch (msg->lm_magic) {
912 case LUSTRE_MSG_MAGIC_V2: {
913 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
914 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
915 pb->pb_op_flags |= flags;
919 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
922 EXPORT_SYMBOL(lustre_msg_add_op_flags);
924 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
926 switch (msg->lm_magic) {
927 case LUSTRE_MSG_MAGIC_V2: {
928 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
930 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
933 return &pb->pb_handle;
936 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
941 __u32 lustre_msg_get_type(struct lustre_msg *msg)
943 switch (msg->lm_magic) {
944 case LUSTRE_MSG_MAGIC_V2: {
945 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
947 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
948 return PTL_RPC_MSG_ERR;
953 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
954 return PTL_RPC_MSG_ERR;
957 EXPORT_SYMBOL(lustre_msg_get_type);
959 __u32 lustre_msg_get_version(struct lustre_msg *msg)
961 switch (msg->lm_magic) {
962 case LUSTRE_MSG_MAGIC_V2: {
963 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
965 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
968 return pb->pb_version;
971 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
976 void lustre_msg_add_version(struct lustre_msg *msg, __u32 version)
978 switch (msg->lm_magic) {
979 case LUSTRE_MSG_MAGIC_V2: {
980 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
981 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
982 pb->pb_version |= version;
986 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
990 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
992 switch (msg->lm_magic) {
993 case LUSTRE_MSG_MAGIC_V2: {
994 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
996 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1002 CERROR("incorrect message magic: %08x (msg:%p)\n",
1003 msg->lm_magic, msg);
1007 EXPORT_SYMBOL(lustre_msg_get_opc);
1009 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1011 switch (msg->lm_magic) {
1012 case LUSTRE_MSG_MAGIC_V2: {
1013 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1015 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1018 return pb->pb_last_xid;
1021 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1025 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1027 __u16 lustre_msg_get_tag(struct lustre_msg *msg)
1029 switch (msg->lm_magic) {
1030 case LUSTRE_MSG_MAGIC_V2: {
1031 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1033 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1039 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1043 EXPORT_SYMBOL(lustre_msg_get_tag);
1045 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1047 switch (msg->lm_magic) {
1048 case LUSTRE_MSG_MAGIC_V2: {
1049 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1051 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1054 return pb->pb_last_committed;
1057 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1061 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1063 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1065 switch (msg->lm_magic) {
1066 case LUSTRE_MSG_MAGIC_V2: {
1067 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1069 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1072 return pb->pb_pre_versions;
1075 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1079 EXPORT_SYMBOL(lustre_msg_get_versions);
1081 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1083 switch (msg->lm_magic) {
1084 case LUSTRE_MSG_MAGIC_V2: {
1085 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1087 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1090 return pb->pb_transno;
1093 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1097 EXPORT_SYMBOL(lustre_msg_get_transno);
1099 int lustre_msg_get_status(struct lustre_msg *msg)
1101 switch (msg->lm_magic) {
1102 case LUSTRE_MSG_MAGIC_V2: {
1103 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1105 return pb->pb_status;
1106 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1110 /* status might be printed in debug code while message
1115 EXPORT_SYMBOL(lustre_msg_get_status);
1117 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1119 switch (msg->lm_magic) {
1120 case LUSTRE_MSG_MAGIC_V2: {
1121 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1123 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1129 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1135 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1137 switch (msg->lm_magic) {
1138 case LUSTRE_MSG_MAGIC_V2: {
1139 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1141 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1148 CERROR("invalid msg magic %x\n", msg->lm_magic);
1153 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1155 switch (msg->lm_magic) {
1156 case LUSTRE_MSG_MAGIC_V2: {
1157 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1159 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1162 return pb->pb_limit;
1165 CERROR("invalid msg magic %x\n", msg->lm_magic);
1171 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1173 switch (msg->lm_magic) {
1174 case LUSTRE_MSG_MAGIC_V2: {
1175 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1177 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1180 pb->pb_limit = limit;
1184 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1189 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1191 switch (msg->lm_magic) {
1192 case LUSTRE_MSG_MAGIC_V2: {
1193 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1195 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1198 return pb->pb_conn_cnt;
1201 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1205 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1207 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1209 switch (msg->lm_magic) {
1210 case LUSTRE_MSG_MAGIC_V2:
1211 return msg->lm_magic;
1213 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1218 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1220 switch (msg->lm_magic) {
1221 case LUSTRE_MSG_MAGIC_V2: {
1222 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1224 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1227 return pb->pb_timeout;
1230 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1235 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1237 switch (msg->lm_magic) {
1238 case LUSTRE_MSG_MAGIC_V2: {
1239 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1241 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1244 return pb->pb_service_time;
1247 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1252 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1254 switch (msg->lm_magic) {
1255 case LUSTRE_MSG_MAGIC_V2: {
1256 struct ptlrpc_body *pb =
1257 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1258 sizeof(struct ptlrpc_body));
1262 return pb->pb_jobid;
1265 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1269 EXPORT_SYMBOL(lustre_msg_get_jobid);
1271 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1273 switch (msg->lm_magic) {
1274 case LUSTRE_MSG_MAGIC_V2:
1275 return msg->lm_cksum;
1277 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1282 __u64 lustre_msg_get_mbits(struct lustre_msg *msg)
1284 switch (msg->lm_magic) {
1285 case LUSTRE_MSG_MAGIC_V2: {
1286 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1288 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1291 return pb->pb_mbits;
1294 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1299 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1301 switch (msg->lm_magic) {
1302 case LUSTRE_MSG_MAGIC_V2: {
1303 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1304 __u32 len = lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1306 unsigned int hsize = 4;
1309 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1310 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1311 len, NULL, 0, (unsigned char *)&crc,
1316 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1321 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1323 switch (msg->lm_magic) {
1324 case LUSTRE_MSG_MAGIC_V2: {
1325 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1326 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1327 pb->pb_handle = *handle;
1331 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1335 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1337 switch (msg->lm_magic) {
1338 case LUSTRE_MSG_MAGIC_V2: {
1339 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1340 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1345 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1349 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1351 switch (msg->lm_magic) {
1352 case LUSTRE_MSG_MAGIC_V2: {
1353 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1354 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1359 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1363 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1365 switch (msg->lm_magic) {
1366 case LUSTRE_MSG_MAGIC_V2: {
1367 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1368 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1369 pb->pb_last_xid = last_xid;
1373 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1376 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1378 void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag)
1380 switch (msg->lm_magic) {
1381 case LUSTRE_MSG_MAGIC_V2: {
1382 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1383 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1388 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1391 EXPORT_SYMBOL(lustre_msg_set_tag);
1393 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1395 switch (msg->lm_magic) {
1396 case LUSTRE_MSG_MAGIC_V2: {
1397 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1398 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1399 pb->pb_last_committed = last_committed;
1403 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1407 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1409 switch (msg->lm_magic) {
1410 case LUSTRE_MSG_MAGIC_V2: {
1411 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1412 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1413 pb->pb_pre_versions[0] = versions[0];
1414 pb->pb_pre_versions[1] = versions[1];
1415 pb->pb_pre_versions[2] = versions[2];
1416 pb->pb_pre_versions[3] = versions[3];
1420 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1423 EXPORT_SYMBOL(lustre_msg_set_versions);
1425 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1427 switch (msg->lm_magic) {
1428 case LUSTRE_MSG_MAGIC_V2: {
1429 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1430 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1431 pb->pb_transno = transno;
1435 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1438 EXPORT_SYMBOL(lustre_msg_set_transno);
1440 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1442 switch (msg->lm_magic) {
1443 case LUSTRE_MSG_MAGIC_V2: {
1444 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1445 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1446 pb->pb_status = status;
1450 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1453 EXPORT_SYMBOL(lustre_msg_set_status);
1455 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1457 switch (msg->lm_magic) {
1458 case LUSTRE_MSG_MAGIC_V2: {
1459 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1460 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1461 pb->pb_conn_cnt = conn_cnt;
1465 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1469 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1471 switch (msg->lm_magic) {
1472 case LUSTRE_MSG_MAGIC_V2: {
1473 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1474 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1475 pb->pb_timeout = timeout;
1479 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1483 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1485 switch (msg->lm_magic) {
1486 case LUSTRE_MSG_MAGIC_V2: {
1487 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1488 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1489 pb->pb_service_time = service_time;
1493 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1497 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1499 switch (msg->lm_magic) {
1500 case LUSTRE_MSG_MAGIC_V2: {
1501 __u32 opc = lustre_msg_get_opc(msg);
1502 struct ptlrpc_body *pb;
1504 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1505 * See the comment in ptlrpc_request_pack(). */
1506 if (!opc || opc == LDLM_BL_CALLBACK ||
1507 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1510 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1511 sizeof(struct ptlrpc_body));
1512 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1515 memcpy(pb->pb_jobid, jobid, LUSTRE_JOBID_SIZE);
1516 else if (pb->pb_jobid[0] == '\0')
1517 lustre_get_jobid(pb->pb_jobid);
1521 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1524 EXPORT_SYMBOL(lustre_msg_set_jobid);
1526 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1528 switch (msg->lm_magic) {
1529 case LUSTRE_MSG_MAGIC_V2:
1530 msg->lm_cksum = cksum;
1533 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1537 void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits)
1539 switch (msg->lm_magic) {
1540 case LUSTRE_MSG_MAGIC_V2: {
1541 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1543 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1544 pb->pb_mbits = mbits;
1548 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1552 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1554 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1556 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1557 req->rq_pill.rc_area[RCL_SERVER]);
1558 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1559 req->rq_reqmsg->lm_repsize = req->rq_replen;
1561 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1563 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1565 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1566 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1567 req->rq_reqmsg->lm_repsize = req->rq_replen;
1571 * Send a remote set_info_async.
1573 * This may go from client to server or server to client.
1575 int do_set_info_async(struct obd_import *imp,
1576 int opcode, int version,
1577 size_t keylen, void *key,
1578 size_t vallen, void *val,
1579 struct ptlrpc_request_set *set)
1581 struct ptlrpc_request *req;
1586 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1590 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1591 RCL_CLIENT, keylen);
1592 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1593 RCL_CLIENT, vallen);
1594 rc = ptlrpc_request_pack(req, version, opcode);
1596 ptlrpc_request_free(req);
1600 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1601 memcpy(tmp, key, keylen);
1602 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1603 memcpy(tmp, val, vallen);
1605 ptlrpc_request_set_replen(req);
1608 ptlrpc_set_add_req(set, req);
1609 ptlrpc_check_set(NULL, set);
1611 rc = ptlrpc_queue_wait(req);
1612 ptlrpc_req_finished(req);
1617 EXPORT_SYMBOL(do_set_info_async);
1619 /* byte flipping routines for all wire types declared in
1620 * lustre_idl.h implemented here.
1622 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1624 __swab32s (&b->pb_type);
1625 __swab32s (&b->pb_version);
1626 __swab32s (&b->pb_opc);
1627 __swab32s (&b->pb_status);
1628 __swab64s (&b->pb_last_xid);
1629 __swab16s (&b->pb_tag);
1630 __swab64s (&b->pb_last_committed);
1631 __swab64s (&b->pb_transno);
1632 __swab32s (&b->pb_flags);
1633 __swab32s (&b->pb_op_flags);
1634 __swab32s (&b->pb_conn_cnt);
1635 __swab32s (&b->pb_timeout);
1636 __swab32s (&b->pb_service_time);
1637 __swab32s (&b->pb_limit);
1638 __swab64s (&b->pb_slv);
1639 __swab64s (&b->pb_pre_versions[0]);
1640 __swab64s (&b->pb_pre_versions[1]);
1641 __swab64s (&b->pb_pre_versions[2]);
1642 __swab64s (&b->pb_pre_versions[3]);
1643 __swab64s(&b->pb_mbits);
1644 CLASSERT(offsetof(typeof(*b), pb_padding0) != 0);
1645 CLASSERT(offsetof(typeof(*b), pb_padding1) != 0);
1646 CLASSERT(offsetof(typeof(*b), pb_padding64_0) != 0);
1647 CLASSERT(offsetof(typeof(*b), pb_padding64_1) != 0);
1648 CLASSERT(offsetof(typeof(*b), pb_padding64_2) != 0);
1649 /* While we need to maintain compatibility between
1650 * clients and servers without ptlrpc_body_v2 (< 2.3)
1651 * do not swab any fields beyond pb_jobid, as we are
1652 * using this swab function for both ptlrpc_body
1653 * and ptlrpc_body_v2. */
1654 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1657 void lustre_swab_connect(struct obd_connect_data *ocd)
1659 __swab64s(&ocd->ocd_connect_flags);
1660 __swab32s(&ocd->ocd_version);
1661 __swab32s(&ocd->ocd_grant);
1662 __swab64s(&ocd->ocd_ibits_known);
1663 __swab32s(&ocd->ocd_index);
1664 __swab32s(&ocd->ocd_brw_size);
1665 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1666 * they are 8-byte values */
1667 __swab16s(&ocd->ocd_grant_tax_kb);
1668 __swab32s(&ocd->ocd_grant_max_blks);
1669 __swab64s(&ocd->ocd_transno);
1670 __swab32s(&ocd->ocd_group);
1671 __swab32s(&ocd->ocd_cksum_types);
1672 __swab32s(&ocd->ocd_instance);
1673 /* Fields after ocd_cksum_types are only accessible by the receiver
1674 * if the corresponding flag in ocd_connect_flags is set. Accessing
1675 * any field after ocd_maxbytes on the receiver without a valid flag
1676 * may result in out-of-bound memory access and kernel oops. */
1677 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1678 __swab32s(&ocd->ocd_max_easize);
1679 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1680 __swab64s(&ocd->ocd_maxbytes);
1681 if (ocd->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS)
1682 __swab16s(&ocd->ocd_maxmodrpcs);
1683 CLASSERT(offsetof(typeof(*ocd), padding0) != 0);
1684 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1685 if (ocd->ocd_connect_flags & OBD_CONNECT_FLAGS2)
1686 __swab64s(&ocd->ocd_connect_flags2);
1687 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1688 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1689 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1690 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1691 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1692 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1693 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1694 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1695 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1696 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1697 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1698 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1699 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1702 void lustre_swab_obdo (struct obdo *o)
1704 __swab64s (&o->o_valid);
1705 lustre_swab_ost_id(&o->o_oi);
1706 __swab64s (&o->o_parent_seq);
1707 __swab64s (&o->o_size);
1708 __swab64s (&o->o_mtime);
1709 __swab64s (&o->o_atime);
1710 __swab64s (&o->o_ctime);
1711 __swab64s (&o->o_blocks);
1712 __swab64s (&o->o_grant);
1713 __swab32s (&o->o_blksize);
1714 __swab32s (&o->o_mode);
1715 __swab32s (&o->o_uid);
1716 __swab32s (&o->o_gid);
1717 __swab32s (&o->o_flags);
1718 __swab32s (&o->o_nlink);
1719 __swab32s (&o->o_parent_oid);
1720 __swab32s (&o->o_misc);
1721 __swab64s (&o->o_ioepoch);
1722 __swab32s (&o->o_stripe_idx);
1723 __swab32s (&o->o_parent_ver);
1724 /* o_handle is opaque */
1725 /* o_lcookie is swabbed elsewhere */
1726 __swab32s (&o->o_uid_h);
1727 __swab32s (&o->o_gid_h);
1728 __swab64s (&o->o_data_version);
1729 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1730 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1731 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1734 EXPORT_SYMBOL(lustre_swab_obdo);
1736 void lustre_swab_obd_statfs (struct obd_statfs *os)
1738 __swab64s (&os->os_type);
1739 __swab64s (&os->os_blocks);
1740 __swab64s (&os->os_bfree);
1741 __swab64s (&os->os_bavail);
1742 __swab64s (&os->os_files);
1743 __swab64s (&os->os_ffree);
1744 /* no need to swab os_fsid */
1745 __swab32s (&os->os_bsize);
1746 __swab32s (&os->os_namelen);
1747 __swab64s (&os->os_maxbytes);
1748 __swab32s (&os->os_state);
1749 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1750 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1751 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1752 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1753 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1754 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1755 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1756 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1757 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1760 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1762 lustre_swab_ost_id(&ioo->ioo_oid);
1763 __swab32s(&ioo->ioo_max_brw);
1764 __swab32s(&ioo->ioo_bufcnt);
1767 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1769 __swab64s(&nbr->rnb_offset);
1770 __swab32s(&nbr->rnb_len);
1771 __swab32s(&nbr->rnb_flags);
1774 void lustre_swab_ost_body (struct ost_body *b)
1776 lustre_swab_obdo (&b->oa);
1779 void lustre_swab_ost_last_id(u64 *id)
1784 void lustre_swab_generic_32s(__u32 *val)
1789 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1791 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1792 __swab64s(&desc->lquota_desc.gl_flags);
1793 __swab64s(&desc->lquota_desc.gl_ver);
1794 __swab64s(&desc->lquota_desc.gl_hardlimit);
1795 __swab64s(&desc->lquota_desc.gl_softlimit);
1796 __swab64s(&desc->lquota_desc.gl_time);
1797 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1800 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1802 __swab64s(&lvb->lvb_size);
1803 __swab64s(&lvb->lvb_mtime);
1804 __swab64s(&lvb->lvb_atime);
1805 __swab64s(&lvb->lvb_ctime);
1806 __swab64s(&lvb->lvb_blocks);
1808 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1810 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1812 __swab64s(&lvb->lvb_size);
1813 __swab64s(&lvb->lvb_mtime);
1814 __swab64s(&lvb->lvb_atime);
1815 __swab64s(&lvb->lvb_ctime);
1816 __swab64s(&lvb->lvb_blocks);
1817 __swab32s(&lvb->lvb_mtime_ns);
1818 __swab32s(&lvb->lvb_atime_ns);
1819 __swab32s(&lvb->lvb_ctime_ns);
1820 __swab32s(&lvb->lvb_padding);
1822 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1824 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1826 __swab64s(&lvb->lvb_flags);
1827 __swab64s(&lvb->lvb_id_may_rel);
1828 __swab64s(&lvb->lvb_id_rel);
1829 __swab64s(&lvb->lvb_id_qunit);
1830 __swab64s(&lvb->lvb_pad1);
1832 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1834 void lustre_swab_mdt_body (struct mdt_body *b)
1836 lustre_swab_lu_fid(&b->mbo_fid1);
1837 lustre_swab_lu_fid(&b->mbo_fid2);
1838 /* handle is opaque */
1839 __swab64s(&b->mbo_valid);
1840 __swab64s(&b->mbo_size);
1841 __swab64s(&b->mbo_mtime);
1842 __swab64s(&b->mbo_atime);
1843 __swab64s(&b->mbo_ctime);
1844 __swab64s(&b->mbo_blocks);
1845 __swab64s(&b->mbo_ioepoch);
1846 __swab64s(&b->mbo_t_state);
1847 __swab32s(&b->mbo_fsuid);
1848 __swab32s(&b->mbo_fsgid);
1849 __swab32s(&b->mbo_capability);
1850 __swab32s(&b->mbo_mode);
1851 __swab32s(&b->mbo_uid);
1852 __swab32s(&b->mbo_gid);
1853 __swab32s(&b->mbo_flags);
1854 __swab32s(&b->mbo_rdev);
1855 __swab32s(&b->mbo_nlink);
1856 CLASSERT(offsetof(typeof(*b), mbo_unused2) != 0);
1857 __swab32s(&b->mbo_suppgid);
1858 __swab32s(&b->mbo_eadatasize);
1859 __swab32s(&b->mbo_aclsize);
1860 __swab32s(&b->mbo_max_mdsize);
1861 CLASSERT(offsetof(typeof(*b), mbo_unused3) != 0);
1862 __swab32s(&b->mbo_uid_h);
1863 __swab32s(&b->mbo_gid_h);
1864 CLASSERT(offsetof(typeof(*b), mbo_padding_5) != 0);
1867 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1869 /* mio_handle is opaque */
1870 CLASSERT(offsetof(typeof(*b), mio_unused1) != 0);
1871 CLASSERT(offsetof(typeof(*b), mio_unused2) != 0);
1872 CLASSERT(offsetof(typeof(*b), mio_padding) != 0);
1875 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1878 __swab32s(&mti->mti_lustre_ver);
1879 __swab32s(&mti->mti_stripe_index);
1880 __swab32s(&mti->mti_config_ver);
1881 __swab32s(&mti->mti_flags);
1882 __swab32s(&mti->mti_instance);
1883 __swab32s(&mti->mti_nid_count);
1884 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1885 for (i = 0; i < MTI_NIDS_MAX; i++)
1886 __swab64s(&mti->mti_nids[i]);
1889 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1893 __swab64s(&entry->mne_version);
1894 __swab32s(&entry->mne_instance);
1895 __swab32s(&entry->mne_index);
1896 __swab32s(&entry->mne_length);
1898 /* mne_nid_(count|type) must be one byte size because we're gonna
1899 * access it w/o swapping. */
1900 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1901 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1903 /* remove this assertion if ipv6 is supported. */
1904 LASSERT(entry->mne_nid_type == 0);
1905 for (i = 0; i < entry->mne_nid_count; i++) {
1906 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1907 __swab64s(&entry->u.nids[i]);
1910 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1912 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1914 __swab64s(&body->mcb_offset);
1915 __swab32s(&body->mcb_units);
1916 __swab16s(&body->mcb_type);
1919 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1921 __swab64s(&body->mcr_offset);
1922 __swab64s(&body->mcr_size);
1925 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1927 __swab64s (&i->dqi_bgrace);
1928 __swab64s (&i->dqi_igrace);
1929 __swab32s (&i->dqi_flags);
1930 __swab32s (&i->dqi_valid);
1933 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1935 __swab64s (&b->dqb_ihardlimit);
1936 __swab64s (&b->dqb_isoftlimit);
1937 __swab64s (&b->dqb_curinodes);
1938 __swab64s (&b->dqb_bhardlimit);
1939 __swab64s (&b->dqb_bsoftlimit);
1940 __swab64s (&b->dqb_curspace);
1941 __swab64s (&b->dqb_btime);
1942 __swab64s (&b->dqb_itime);
1943 __swab32s (&b->dqb_valid);
1944 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1947 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1949 __swab32s (&q->qc_cmd);
1950 __swab32s (&q->qc_type);
1951 __swab32s (&q->qc_id);
1952 __swab32s (&q->qc_stat);
1953 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1954 lustre_swab_obd_dqblk (&q->qc_dqblk);
1957 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1959 lustre_swab_lu_fid(&gf->gf_fid);
1960 __swab64s(&gf->gf_recno);
1961 __swab32s(&gf->gf_linkno);
1962 __swab32s(&gf->gf_pathlen);
1964 EXPORT_SYMBOL(lustre_swab_fid2path);
1966 static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent)
1968 __swab64s(&fm_extent->fe_logical);
1969 __swab64s(&fm_extent->fe_physical);
1970 __swab64s(&fm_extent->fe_length);
1971 __swab32s(&fm_extent->fe_flags);
1972 __swab32s(&fm_extent->fe_device);
1975 void lustre_swab_fiemap(struct fiemap *fiemap)
1979 __swab64s(&fiemap->fm_start);
1980 __swab64s(&fiemap->fm_length);
1981 __swab32s(&fiemap->fm_flags);
1982 __swab32s(&fiemap->fm_mapped_extents);
1983 __swab32s(&fiemap->fm_extent_count);
1984 __swab32s(&fiemap->fm_reserved);
1986 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1987 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1990 void lustre_swab_idx_info(struct idx_info *ii)
1992 __swab32s(&ii->ii_magic);
1993 __swab32s(&ii->ii_flags);
1994 __swab16s(&ii->ii_count);
1995 __swab32s(&ii->ii_attrs);
1996 lustre_swab_lu_fid(&ii->ii_fid);
1997 __swab64s(&ii->ii_version);
1998 __swab64s(&ii->ii_hash_start);
1999 __swab64s(&ii->ii_hash_end);
2000 __swab16s(&ii->ii_keysize);
2001 __swab16s(&ii->ii_recsize);
2004 void lustre_swab_lip_header(struct lu_idxpage *lip)
2007 __swab32s(&lip->lip_magic);
2008 __swab16s(&lip->lip_flags);
2009 __swab16s(&lip->lip_nr);
2011 EXPORT_SYMBOL(lustre_swab_lip_header);
2013 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2015 __swab32s(&rr->rr_opcode);
2016 __swab32s(&rr->rr_cap);
2017 __swab32s(&rr->rr_fsuid);
2018 /* rr_fsuid_h is unused */
2019 __swab32s(&rr->rr_fsgid);
2020 /* rr_fsgid_h is unused */
2021 __swab32s(&rr->rr_suppgid1);
2022 /* rr_suppgid1_h is unused */
2023 __swab32s(&rr->rr_suppgid2);
2024 /* rr_suppgid2_h is unused */
2025 lustre_swab_lu_fid(&rr->rr_fid1);
2026 lustre_swab_lu_fid(&rr->rr_fid2);
2027 __swab64s(&rr->rr_mtime);
2028 __swab64s(&rr->rr_atime);
2029 __swab64s(&rr->rr_ctime);
2030 __swab64s(&rr->rr_size);
2031 __swab64s(&rr->rr_blocks);
2032 __swab32s(&rr->rr_bias);
2033 __swab32s(&rr->rr_mode);
2034 __swab32s(&rr->rr_flags);
2035 __swab32s(&rr->rr_flags_h);
2036 __swab32s(&rr->rr_umask);
2038 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2041 void lustre_swab_lov_desc (struct lov_desc *ld)
2043 __swab32s (&ld->ld_tgt_count);
2044 __swab32s (&ld->ld_active_tgt_count);
2045 __swab32s (&ld->ld_default_stripe_count);
2046 __swab32s (&ld->ld_pattern);
2047 __swab64s (&ld->ld_default_stripe_size);
2048 __swab64s (&ld->ld_default_stripe_offset);
2049 __swab32s (&ld->ld_qos_maxage);
2050 /* uuid endian insensitive */
2052 EXPORT_SYMBOL(lustre_swab_lov_desc);
2054 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2056 __swab32s (&ld->ld_tgt_count);
2057 __swab32s (&ld->ld_active_tgt_count);
2058 __swab32s (&ld->ld_default_stripe_count);
2059 __swab32s (&ld->ld_pattern);
2060 __swab64s (&ld->ld_default_hash_size);
2061 __swab32s (&ld->ld_qos_maxage);
2062 /* uuid endian insensitive */
2065 /* This structure is always in little-endian */
2066 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2070 __swab32s(&lmm1->lmv_magic);
2071 __swab32s(&lmm1->lmv_stripe_count);
2072 __swab32s(&lmm1->lmv_master_mdt_index);
2073 __swab32s(&lmm1->lmv_hash_type);
2074 __swab32s(&lmm1->lmv_layout_version);
2075 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2076 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2079 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2081 switch (lmm->lmv_magic) {
2083 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2089 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
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: %llu\n", lmm_oi_id(&lum->lmm_oi));
2112 CDEBUG(lvl, "\tlmm_object_gr: %llu\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);
2184 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2186 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2191 for (i = 0; i < stripe_count; i++) {
2192 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2193 __swab32s(&(lod[i].l_ost_gen));
2194 __swab32s(&(lod[i].l_ost_idx));
2198 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2200 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2204 for (i = 0; i < RES_NAME_SIZE; i++)
2205 __swab64s (&id->name[i]);
2208 void lustre_swab_ldlm_policy_data(union ldlm_wire_policy_data *d)
2210 /* the lock data is a union and the first two fields are always an
2211 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2212 * data the same way. */
2213 __swab64s(&d->l_extent.start);
2214 __swab64s(&d->l_extent.end);
2215 __swab64s(&d->l_extent.gid);
2216 __swab64s(&d->l_flock.lfw_owner);
2217 __swab32s(&d->l_flock.lfw_pid);
2220 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2225 void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2227 __swab32s(&r->lr_type);
2228 CLASSERT(offsetof(typeof(*r), lr_pad) != 0);
2229 lustre_swab_ldlm_res_id(&r->lr_name);
2232 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2234 lustre_swab_ldlm_resource_desc (&l->l_resource);
2235 __swab32s (&l->l_req_mode);
2236 __swab32s (&l->l_granted_mode);
2237 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2240 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2242 __swab32s (&rq->lock_flags);
2243 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2244 __swab32s (&rq->lock_count);
2245 /* lock_handle[] opaque */
2248 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2250 __swab32s (&r->lock_flags);
2251 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2252 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2253 /* lock_handle opaque */
2254 __swab64s (&r->lock_policy_res1);
2255 __swab64s (&r->lock_policy_res2);
2258 void lustre_swab_quota_body(struct quota_body *b)
2260 lustre_swab_lu_fid(&b->qb_fid);
2261 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2262 __swab32s(&b->qb_flags);
2263 __swab64s(&b->qb_count);
2264 __swab64s(&b->qb_usage);
2265 __swab64s(&b->qb_slv_ver);
2268 /* Dump functions */
2269 void dump_ioo(struct obd_ioobj *ioo)
2272 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2273 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2277 void dump_rniobuf(struct niobuf_remote *nb)
2279 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2280 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2283 void dump_obdo(struct obdo *oa)
2285 u64 valid = oa->o_valid;
2287 CDEBUG(D_RPCTRACE, "obdo: o_valid = %#llx\n", valid);
2288 if (valid & OBD_MD_FLID)
2289 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2290 if (valid & OBD_MD_FLFID)
2291 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2293 if (valid & OBD_MD_FLSIZE)
2294 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2295 if (valid & OBD_MD_FLMTIME)
2296 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2297 if (valid & OBD_MD_FLATIME)
2298 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2299 if (valid & OBD_MD_FLCTIME)
2300 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2301 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2302 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2303 if (valid & OBD_MD_FLGRANT)
2304 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2305 if (valid & OBD_MD_FLBLKSZ)
2306 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2307 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2308 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2309 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2310 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2311 if (valid & OBD_MD_FLUID)
2312 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2313 if (valid & OBD_MD_FLUID)
2314 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2315 if (valid & OBD_MD_FLGID)
2316 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2317 if (valid & OBD_MD_FLGID)
2318 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2319 if (valid & OBD_MD_FLFLAGS)
2320 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2321 if (valid & OBD_MD_FLNLINK)
2322 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2323 else if (valid & OBD_MD_FLCKSUM)
2324 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2326 if (valid & OBD_MD_FLGENER)
2327 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2329 if (valid & OBD_MD_FLEPOCH)
2330 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = %lld\n",
2332 if (valid & OBD_MD_FLFID) {
2333 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2335 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2338 if (valid & OBD_MD_FLHANDLE)
2339 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2340 oa->o_handle.cookie);
2343 void dump_ost_body(struct ost_body *ob)
2348 void dump_rcs(__u32 *rc)
2350 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2353 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2355 LASSERT(req->rq_reqmsg);
2357 switch (req->rq_reqmsg->lm_magic) {
2358 case LUSTRE_MSG_MAGIC_V2:
2359 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2361 CERROR("bad lustre msg magic: %#08X\n",
2362 req->rq_reqmsg->lm_magic);
2367 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2369 LASSERT(req->rq_repmsg);
2371 switch (req->rq_repmsg->lm_magic) {
2372 case LUSTRE_MSG_MAGIC_V2:
2373 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2375 /* uninitialized yet */
2380 void _debug_req(struct ptlrpc_request *req,
2381 struct libcfs_debug_msg_data *msgdata,
2382 const char *fmt, ... )
2384 int req_ok = req->rq_reqmsg != NULL;
2385 int rep_ok = req->rq_repmsg != NULL;
2386 lnet_nid_t nid = LNET_NID_ANY;
2389 if (ptlrpc_req_need_swab(req)) {
2390 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2391 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2394 if (req->rq_import && req->rq_import->imp_connection)
2395 nid = req->rq_import->imp_connection->c_peer.nid;
2396 else if (req->rq_export && req->rq_export->exp_connection)
2397 nid = req->rq_export->exp_connection->c_peer.nid;
2399 va_start(args, fmt);
2400 libcfs_debug_vmsg2(msgdata, fmt, args,
2401 " req@%p x%llu/t%lld(%lld) o%d->%s@%s:%d/%d"
2402 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2403 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2404 req, req->rq_xid, req->rq_transno,
2405 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2406 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2408 req->rq_import->imp_obd->obd_name :
2410 req->rq_export->exp_client_uuid.uuid :
2412 libcfs_nid2str(nid),
2413 req->rq_request_portal, req->rq_reply_portal,
2414 req->rq_reqlen, req->rq_replen,
2415 req->rq_early_count, req->rq_timedout,
2417 atomic_read(&req->rq_refcount),
2418 DEBUG_REQ_FLAGS(req),
2419 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2420 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2422 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2425 EXPORT_SYMBOL(_debug_req);
2427 void lustre_swab_lustre_capa(struct lustre_capa *c)
2429 lustre_swab_lu_fid(&c->lc_fid);
2430 __swab64s (&c->lc_opc);
2431 __swab64s (&c->lc_uid);
2432 __swab64s (&c->lc_gid);
2433 __swab32s (&c->lc_flags);
2434 __swab32s (&c->lc_keyid);
2435 __swab32s (&c->lc_timeout);
2436 __swab32s (&c->lc_expiry);
2439 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2441 __swab64s (&k->lk_seq);
2442 __swab32s (&k->lk_keyid);
2443 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2446 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2448 __swab32s(&state->hus_states);
2449 __swab32s(&state->hus_archive_id);
2452 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2454 __swab32s(&hss->hss_valid);
2455 __swab64s(&hss->hss_setmask);
2456 __swab64s(&hss->hss_clearmask);
2457 __swab32s(&hss->hss_archive_id);
2460 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2462 __swab64s(&extent->offset);
2463 __swab64s(&extent->length);
2466 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2468 __swab32s(&action->hca_state);
2469 __swab32s(&action->hca_action);
2470 lustre_swab_hsm_extent(&action->hca_location);
2473 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2475 lustre_swab_lu_fid(&hui->hui_fid);
2476 lustre_swab_hsm_extent(&hui->hui_extent);
2479 void lustre_swab_layout_intent(struct layout_intent *li)
2481 __swab32s(&li->li_opc);
2482 __swab32s(&li->li_flags);
2483 __swab64s(&li->li_start);
2484 __swab64s(&li->li_end);
2487 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2489 lustre_swab_lu_fid(&hpk->hpk_fid);
2490 __swab64s(&hpk->hpk_cookie);
2491 __swab64s(&hpk->hpk_extent.offset);
2492 __swab64s(&hpk->hpk_extent.length);
2493 __swab16s(&hpk->hpk_flags);
2494 __swab16s(&hpk->hpk_errval);
2497 void lustre_swab_hsm_request(struct hsm_request *hr)
2499 __swab32s(&hr->hr_action);
2500 __swab32s(&hr->hr_archive_id);
2501 __swab64s(&hr->hr_flags);
2502 __swab32s(&hr->hr_itemcount);
2503 __swab32s(&hr->hr_data_len);
2506 void lustre_swab_object_update(struct object_update *ou)
2508 struct object_update_param *param;
2511 __swab16s(&ou->ou_type);
2512 __swab16s(&ou->ou_params_count);
2513 __swab32s(&ou->ou_result_size);
2514 __swab32s(&ou->ou_flags);
2515 __swab32s(&ou->ou_padding1);
2516 __swab64s(&ou->ou_batchid);
2517 lustre_swab_lu_fid(&ou->ou_fid);
2518 param = &ou->ou_params[0];
2519 for (i = 0; i < ou->ou_params_count; i++) {
2520 __swab16s(¶m->oup_len);
2521 __swab16s(¶m->oup_padding);
2522 __swab32s(¶m->oup_padding2);
2523 param = (struct object_update_param *)((char *)param +
2524 object_update_param_size(param));
2528 void lustre_swab_object_update_request(struct object_update_request *our)
2531 __swab32s(&our->ourq_magic);
2532 __swab16s(&our->ourq_count);
2533 __swab16s(&our->ourq_padding);
2534 for (i = 0; i < our->ourq_count; i++) {
2535 struct object_update *ou;
2537 ou = object_update_request_get(our, i, NULL);
2540 lustre_swab_object_update(ou);
2544 void lustre_swab_object_update_result(struct object_update_result *our)
2546 __swab32s(&our->our_rc);
2547 __swab16s(&our->our_datalen);
2548 __swab16s(&our->our_padding);
2551 void lustre_swab_object_update_reply(struct object_update_reply *our)
2555 __swab32s(&our->ourp_magic);
2556 __swab16s(&our->ourp_count);
2557 __swab16s(&our->ourp_padding);
2558 for (i = 0; i < our->ourp_count; i++) {
2559 struct object_update_result *ourp;
2561 __swab16s(&our->ourp_lens[i]);
2562 ourp = object_update_result_get(our, i, NULL);
2565 lustre_swab_object_update_result(ourp);
2569 void lustre_swab_out_update_header(struct out_update_header *ouh)
2571 __swab32s(&ouh->ouh_magic);
2572 __swab32s(&ouh->ouh_count);
2573 __swab32s(&ouh->ouh_inline_length);
2574 __swab32s(&ouh->ouh_reply_size);
2576 EXPORT_SYMBOL(lustre_swab_out_update_header);
2578 void lustre_swab_out_update_buffer(struct out_update_buffer *oub)
2580 __swab32s(&oub->oub_size);
2581 __swab32s(&oub->oub_padding);
2583 EXPORT_SYMBOL(lustre_swab_out_update_buffer);
2585 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2587 __swab64s(&msl->msl_flags);
2590 void lustre_swab_close_data(struct close_data *cd)
2592 lustre_swab_lu_fid(&cd->cd_fid);
2593 __swab64s(&cd->cd_data_version);
2596 void lustre_swab_lfsck_request(struct lfsck_request *lr)
2598 __swab32s(&lr->lr_event);
2599 __swab32s(&lr->lr_index);
2600 __swab32s(&lr->lr_flags);
2601 __swab32s(&lr->lr_valid);
2602 __swab32s(&lr->lr_speed);
2603 __swab16s(&lr->lr_version);
2604 __swab16s(&lr->lr_active);
2605 __swab16s(&lr->lr_param);
2606 __swab16s(&lr->lr_async_windows);
2607 __swab32s(&lr->lr_flags);
2608 lustre_swab_lu_fid(&lr->lr_fid);
2609 lustre_swab_lu_fid(&lr->lr_fid2);
2610 lustre_swab_lu_fid(&lr->lr_fid3);
2611 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2612 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2615 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
2617 __swab32s(&lr->lr_status);
2618 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2619 __swab64s(&lr->lr_repaired);
2622 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
2624 lustre_swab_lu_fid(&ent->loe_key);
2625 lustre_swab_lu_fid(&ent->loe_rec.lor_fid);
2626 __swab32s(&ent->loe_rec.lor_uid);
2627 __swab32s(&ent->loe_rec.lor_gid);
2629 EXPORT_SYMBOL(lustre_swab_orphan_ent);
2631 void lustre_swab_ladvise(struct lu_ladvise *ladvise)
2633 __swab16s(&ladvise->lla_advice);
2634 __swab16s(&ladvise->lla_value1);
2635 __swab32s(&ladvise->lla_value2);
2636 __swab64s(&ladvise->lla_start);
2637 __swab64s(&ladvise->lla_end);
2638 __swab32s(&ladvise->lla_value3);
2639 __swab32s(&ladvise->lla_value4);
2641 EXPORT_SYMBOL(lustre_swab_ladvise);
2643 void lustre_swab_ladvise_hdr(struct ladvise_hdr *ladvise_hdr)
2645 __swab32s(&ladvise_hdr->lah_magic);
2646 __swab32s(&ladvise_hdr->lah_count);
2647 __swab64s(&ladvise_hdr->lah_flags);
2648 __swab32s(&ladvise_hdr->lah_value1);
2649 __swab32s(&ladvise_hdr->lah_value2);
2650 __swab64s(&ladvise_hdr->lah_value3);
2652 EXPORT_SYMBOL(lustre_swab_ladvise_hdr);