4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Whamcloud, Inc.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/ptlrpc/pack_generic.c
38 * (Un)packing of OST requests
40 * Author: Peter J. Braam <braam@clusterfs.com>
41 * Author: Phil Schwan <phil@clusterfs.com>
42 * Author: Eric Barton <eeb@clusterfs.com>
45 #define DEBUG_SUBSYSTEM S_RPC
47 # include <liblustre.h>
50 #include <libcfs/libcfs.h>
52 #include <obd_support.h>
53 #include <obd_class.h>
54 #include <lustre_net.h>
55 #include <obd_cksum.h>
56 #include <lustre/ll_fiemap.h>
58 static inline int lustre_msg_hdr_size_v2(int count)
60 return cfs_size_round(offsetof(struct lustre_msg_v2,
64 int lustre_msg_hdr_size(__u32 magic, int count)
67 case LUSTRE_MSG_MAGIC_V2:
68 return lustre_msg_hdr_size_v2(count);
70 LASSERTF(0, "incorrect message magic: %08x\n", magic);
74 EXPORT_SYMBOL(lustre_msg_hdr_size);
76 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
80 lustre_set_req_swabbed(req, index);
82 lustre_set_rep_swabbed(req, index);
85 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
89 return (ptlrpc_req_need_swab(req) &&
90 !lustre_req_swabbed(req, index));
92 return (ptlrpc_rep_need_swab(req) &&
93 !lustre_rep_swabbed(req, index));
96 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
99 __u32 ver = lustre_msg_get_version(msg);
100 return (ver & LUSTRE_VERSION_MASK) != version;
103 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
105 switch (msg->lm_magic) {
106 case LUSTRE_MSG_MAGIC_V1:
107 CERROR("msg v1 not supported - please upgrade you system\n");
109 case LUSTRE_MSG_MAGIC_V2:
110 return lustre_msg_check_version_v2(msg, version);
112 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
117 /* early reply size */
118 int lustre_msg_early_size()
122 /* Always reply old ptlrpc_body_v2 to keep interoprability
123 * with the old client (< 2.3) which doesn't have pb_jobid
124 * in the ptlrpc_body.
126 * XXX Remove this whenever we dorp interoprability with such
129 __u32 pblen = sizeof(struct ptlrpc_body_v2);
130 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
134 EXPORT_SYMBOL(lustre_msg_early_size);
136 int lustre_msg_size_v2(int count, __u32 *lengths)
141 size = lustre_msg_hdr_size_v2(count);
142 for (i = 0; i < count; i++)
143 size += cfs_size_round(lengths[i]);
147 EXPORT_SYMBOL(lustre_msg_size_v2);
149 /* This returns the size of the buffer that is required to hold a lustre_msg
150 * with the given sub-buffer lengths.
151 * NOTE: this should only be used for NEW requests, and should always be
152 * in the form of a v2 request. If this is a connection to a v1
153 * target then the first buffer will be stripped because the ptlrpc
154 * data is part of the lustre_msg_v1 header. b=14043 */
155 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
157 __u32 size[] = { sizeof(struct ptlrpc_body) };
165 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
168 case LUSTRE_MSG_MAGIC_V2:
169 return lustre_msg_size_v2(count, lens);
171 LASSERTF(0, "incorrect message magic: %08x\n", magic);
176 /* This is used to determine the size of a buffer that was already packed
177 * and will correctly handle the different message formats. */
178 int lustre_packed_msg_size(struct lustre_msg *msg)
180 switch (msg->lm_magic) {
181 case LUSTRE_MSG_MAGIC_V2:
182 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
184 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
189 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
195 msg->lm_bufcount = count;
196 /* XXX: lm_secflvr uninitialized here */
197 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
199 for (i = 0; i < count; i++)
200 msg->lm_buflens[i] = lens[i];
205 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
206 for (i = 0; i < count; i++) {
208 LOGL(tmp, lens[i], ptr);
211 EXPORT_SYMBOL(lustre_init_msg_v2);
213 static int lustre_pack_request_v2(struct ptlrpc_request *req,
214 int count, __u32 *lens, char **bufs)
218 reqlen = lustre_msg_size_v2(count, lens);
220 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
224 req->rq_reqlen = reqlen;
226 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
227 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
231 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
232 __u32 *lens, char **bufs)
234 __u32 size[] = { sizeof(struct ptlrpc_body) };
242 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
244 /* only use new format, we don't need to be compatible with 1.4 */
245 magic = LUSTRE_MSG_MAGIC_V2;
248 case LUSTRE_MSG_MAGIC_V2:
249 return lustre_pack_request_v2(req, count, lens, bufs);
251 LASSERTF(0, "incorrect message magic: %08x\n", magic);
257 CFS_LIST_HEAD(ptlrpc_rs_debug_lru);
258 cfs_spinlock_t ptlrpc_rs_debug_lock;
260 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
262 cfs_spin_lock(&ptlrpc_rs_debug_lock); \
263 cfs_list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
264 cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
267 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
269 cfs_spin_lock(&ptlrpc_rs_debug_lock); \
270 cfs_list_del(&(rs)->rs_debug_list); \
271 cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
274 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
275 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
278 struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc)
280 struct ptlrpc_reply_state *rs = NULL;
282 cfs_spin_lock(&svc->srv_rs_lock);
283 /* See if we have anything in a pool, and wait if nothing */
284 while (cfs_list_empty(&svc->srv_free_rs_list)) {
285 struct l_wait_info lwi;
287 cfs_spin_unlock(&svc->srv_rs_lock);
288 /* If we cannot get anything for some long time, we better
289 bail out instead of waiting infinitely */
290 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
291 rc = l_wait_event(svc->srv_free_rs_waitq,
292 !cfs_list_empty(&svc->srv_free_rs_list),
296 cfs_spin_lock(&svc->srv_rs_lock);
299 rs = cfs_list_entry(svc->srv_free_rs_list.next,
300 struct ptlrpc_reply_state, rs_list);
301 cfs_list_del(&rs->rs_list);
302 cfs_spin_unlock(&svc->srv_rs_lock);
304 memset(rs, 0, svc->srv_max_reply_size);
305 rs->rs_service = svc;
311 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
313 struct ptlrpc_service *svc = rs->rs_service;
317 cfs_spin_lock(&svc->srv_rs_lock);
318 cfs_list_add(&rs->rs_list, &svc->srv_free_rs_list);
319 cfs_spin_unlock(&svc->srv_rs_lock);
320 cfs_waitq_signal(&svc->srv_free_rs_waitq);
323 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
324 __u32 *lens, char **bufs, int flags)
326 struct ptlrpc_reply_state *rs;
330 LASSERT(req->rq_reply_state == NULL);
332 if ((flags & LPRFL_EARLY_REPLY) == 0) {
333 cfs_spin_lock(&req->rq_lock);
334 req->rq_packed_final = 1;
335 cfs_spin_unlock(&req->rq_lock);
338 msg_len = lustre_msg_size_v2(count, lens);
339 rc = sptlrpc_svc_alloc_rs(req, msg_len);
343 rs = req->rq_reply_state;
344 cfs_atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
345 rs->rs_cb_id.cbid_fn = reply_out_callback;
346 rs->rs_cb_id.cbid_arg = rs;
347 rs->rs_service = req->rq_rqbd->rqbd_service;
348 CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
349 CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
350 CFS_INIT_LIST_HEAD(&rs->rs_list);
351 cfs_spin_lock_init(&rs->rs_lock);
353 req->rq_replen = msg_len;
354 req->rq_reply_state = rs;
355 req->rq_repmsg = rs->rs_msg;
357 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
358 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
360 PTLRPC_RS_DEBUG_LRU_ADD(rs);
364 EXPORT_SYMBOL(lustre_pack_reply_v2);
366 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
367 char **bufs, int flags)
370 __u32 size[] = { sizeof(struct ptlrpc_body) };
378 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
380 switch (req->rq_reqmsg->lm_magic) {
381 case LUSTRE_MSG_MAGIC_V2:
382 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
385 LASSERTF(0, "incorrect message magic: %08x\n",
386 req->rq_reqmsg->lm_magic);
390 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
391 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
395 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
398 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
401 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
403 int i, offset, buflen, bufcount;
408 bufcount = m->lm_bufcount;
409 if (unlikely(n >= bufcount)) {
410 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
415 buflen = m->lm_buflens[n];
416 if (unlikely(buflen < min_size)) {
417 CERROR("msg %p buffer[%d] size %d too small "
418 "(required %d, opc=%d)\n", m, n, buflen, min_size,
419 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
423 offset = lustre_msg_hdr_size_v2(bufcount);
424 for (i = 0; i < n; i++)
425 offset += cfs_size_round(m->lm_buflens[i]);
427 return (char *)m + offset;
430 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
432 switch (m->lm_magic) {
433 case LUSTRE_MSG_MAGIC_V2:
434 return lustre_msg_buf_v2(m, n, min_size);
436 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
441 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
442 unsigned int newlen, int move_data)
444 char *tail = NULL, *newpos;
448 LASSERT(msg->lm_bufcount > segment);
449 LASSERT(msg->lm_buflens[segment] >= newlen);
451 if (msg->lm_buflens[segment] == newlen)
454 if (move_data && msg->lm_bufcount > segment + 1) {
455 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
456 for (n = segment + 1; n < msg->lm_bufcount; n++)
457 tail_len += cfs_size_round(msg->lm_buflens[n]);
460 msg->lm_buflens[segment] = newlen;
462 if (tail && tail_len) {
463 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
464 LASSERT(newpos <= tail);
466 memmove(newpos, tail, tail_len);
469 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
473 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
474 * we also move data forward from @segment + 1.
476 * if @newlen == 0, we remove the segment completely, but we still keep the
477 * totally bufcount the same to save possible data moving. this will leave a
478 * unused segment with size 0 at the tail, but that's ok.
480 * return new msg size after shrinking.
483 * + if any buffers higher than @segment has been filled in, must call shrink
484 * with non-zero @move_data.
485 * + caller should NOT keep pointers to msg buffers which higher than @segment
488 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
489 unsigned int newlen, int move_data)
491 switch (msg->lm_magic) {
492 case LUSTRE_MSG_MAGIC_V2:
493 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
495 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
499 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
501 PTLRPC_RS_DEBUG_LRU_DEL(rs);
503 LASSERT (cfs_atomic_read(&rs->rs_refcount) == 0);
504 LASSERT (!rs->rs_difficult || rs->rs_handled);
505 LASSERT (!rs->rs_on_net);
506 LASSERT (!rs->rs_scheduled);
507 LASSERT (rs->rs_export == NULL);
508 LASSERT (rs->rs_nlocks == 0);
509 LASSERT (cfs_list_empty(&rs->rs_exp_list));
510 LASSERT (cfs_list_empty(&rs->rs_obd_list));
512 sptlrpc_svc_free_rs(rs);
515 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
517 int swabbed, required_len, i;
519 /* Now we know the sender speaks my language. */
520 required_len = lustre_msg_hdr_size_v2(0);
521 if (len < required_len) {
522 /* can't even look inside the message */
523 CERROR("message length %d too small for lustre_msg\n", len);
527 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
530 __swab32s(&m->lm_magic);
531 __swab32s(&m->lm_bufcount);
532 __swab32s(&m->lm_secflvr);
533 __swab32s(&m->lm_repsize);
534 __swab32s(&m->lm_cksum);
535 __swab32s(&m->lm_flags);
536 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
537 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
540 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
541 if (len < required_len) {
542 /* didn't receive all the buffer lengths */
543 CERROR ("message length %d too small for %d buflens\n",
544 len, m->lm_bufcount);
548 for (i = 0; i < m->lm_bufcount; i++) {
550 __swab32s(&m->lm_buflens[i]);
551 required_len += cfs_size_round(m->lm_buflens[i]);
554 if (len < required_len) {
555 CERROR("len: %d, required_len %d\n", len, required_len);
556 CERROR("bufcount: %d\n", m->lm_bufcount);
557 for (i = 0; i < m->lm_bufcount; i++)
558 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
565 int __lustre_unpack_msg(struct lustre_msg *m, int len)
567 int required_len, rc;
570 /* We can provide a slightly better error log, if we check the
571 * message magic and version first. In the future, struct
572 * lustre_msg may grow, and we'd like to log a version mismatch,
573 * rather than a short message.
576 required_len = offsetof(struct lustre_msg, lm_magic) +
578 if (len < required_len) {
579 /* can't even look inside the message */
580 CERROR("message length %d too small for magic/version check\n",
585 rc = lustre_unpack_msg_v2(m, len);
589 EXPORT_SYMBOL(__lustre_unpack_msg);
591 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
594 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
596 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
602 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
605 rc = __lustre_unpack_msg(req->rq_repmsg, len);
607 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
613 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
614 const int inout, int offset)
616 struct ptlrpc_body *pb;
617 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
619 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
621 CERROR("error unpacking ptlrpc body\n");
624 if (ptlrpc_buf_need_swab(req, inout, offset)) {
625 lustre_swab_ptlrpc_body(pb);
626 ptlrpc_buf_set_swabbed(req, inout, offset);
629 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
630 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
637 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
639 switch (req->rq_reqmsg->lm_magic) {
640 case LUSTRE_MSG_MAGIC_V2:
641 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
643 CERROR("bad lustre msg magic: %08x\n",
644 req->rq_reqmsg->lm_magic);
649 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
651 switch (req->rq_repmsg->lm_magic) {
652 case LUSTRE_MSG_MAGIC_V2:
653 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
655 CERROR("bad lustre msg magic: %08x\n",
656 req->rq_repmsg->lm_magic);
661 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
663 if (n >= m->lm_bufcount)
666 return m->lm_buflens[n];
670 * lustre_msg_buflen - return the length of buffer \a n in message \a m
671 * \param m lustre_msg (request or reply) to look at
672 * \param n message index (base 0)
674 * returns zero for non-existent message indices
676 int lustre_msg_buflen(struct lustre_msg *m, int n)
678 switch (m->lm_magic) {
679 case LUSTRE_MSG_MAGIC_V2:
680 return lustre_msg_buflen_v2(m, n);
682 CERROR("incorrect message magic: %08x\n", m->lm_magic);
686 EXPORT_SYMBOL(lustre_msg_buflen);
689 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
691 if (n >= m->lm_bufcount)
694 m->lm_buflens[n] = len;
697 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
699 switch (m->lm_magic) {
700 case LUSTRE_MSG_MAGIC_V2:
701 lustre_msg_set_buflen_v2(m, n, len);
704 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
708 EXPORT_SYMBOL(lustre_msg_set_buflen);
710 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
711 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
712 int lustre_msg_bufcount(struct lustre_msg *m)
714 switch (m->lm_magic) {
715 case LUSTRE_MSG_MAGIC_V2:
716 return m->lm_bufcount;
718 CERROR("incorrect message magic: %08x\n", m->lm_magic);
722 EXPORT_SYMBOL(lustre_msg_bufcount);
724 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
726 /* max_len == 0 means the string should fill the buffer */
730 switch (m->lm_magic) {
731 case LUSTRE_MSG_MAGIC_V2:
732 str = lustre_msg_buf_v2(m, index, 0);
733 blen = lustre_msg_buflen_v2(m, index);
736 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
740 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
744 slen = strnlen(str, blen);
746 if (slen == blen) { /* not NULL terminated */
747 CERROR("can't unpack non-NULL terminated string in "
748 "msg %p buffer[%d] len %d\n", m, index, blen);
753 if (slen != blen - 1) {
754 CERROR("can't unpack short string in msg %p "
755 "buffer[%d] len %d: strlen %d\n",
756 m, index, blen, slen);
759 } else if (slen > max_len) {
760 CERROR("can't unpack oversized string in msg %p "
761 "buffer[%d] len %d strlen %d: max %d expected\n",
762 m, index, blen, slen, max_len);
769 /* Wrap up the normal fixed length cases */
770 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
771 int min_size, void *swabber)
775 LASSERT(msg != NULL);
776 switch (msg->lm_magic) {
777 case LUSTRE_MSG_MAGIC_V2:
778 ptr = lustre_msg_buf_v2(msg, index, min_size);
781 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
785 ((void (*)(void *))swabber)(ptr);
790 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
792 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
793 sizeof(struct ptlrpc_body_v2));
796 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
798 switch (msg->lm_magic) {
799 case LUSTRE_MSG_MAGIC_V1:
800 case LUSTRE_MSG_MAGIC_V1_SWABBED:
802 case LUSTRE_MSG_MAGIC_V2:
803 /* already in host endian */
804 return msg->lm_flags;
806 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
810 EXPORT_SYMBOL(lustre_msghdr_get_flags);
812 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
814 switch (msg->lm_magic) {
815 case LUSTRE_MSG_MAGIC_V1:
817 case LUSTRE_MSG_MAGIC_V2:
818 msg->lm_flags = flags;
821 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
825 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
827 switch (msg->lm_magic) {
828 case LUSTRE_MSG_MAGIC_V2: {
829 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
831 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
837 /* flags might be printed in debug code while message
843 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
845 switch (msg->lm_magic) {
846 case LUSTRE_MSG_MAGIC_V2: {
847 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
848 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
849 pb->pb_flags |= flags;
853 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
857 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
859 switch (msg->lm_magic) {
860 case LUSTRE_MSG_MAGIC_V2: {
861 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
862 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
863 pb->pb_flags = flags;
867 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
871 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
873 switch (msg->lm_magic) {
874 case LUSTRE_MSG_MAGIC_V2: {
875 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
876 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
877 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
881 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
885 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
887 switch (msg->lm_magic) {
888 case LUSTRE_MSG_MAGIC_V2: {
889 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
891 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
894 return pb->pb_op_flags;
901 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
903 switch (msg->lm_magic) {
904 case LUSTRE_MSG_MAGIC_V2: {
905 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
906 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
907 pb->pb_op_flags |= flags;
911 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
915 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
917 switch (msg->lm_magic) {
918 case LUSTRE_MSG_MAGIC_V2: {
919 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
920 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
921 pb->pb_op_flags |= flags;
925 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
929 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
931 switch (msg->lm_magic) {
932 case LUSTRE_MSG_MAGIC_V2: {
933 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
935 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
938 return &pb->pb_handle;
941 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
946 __u32 lustre_msg_get_type(struct lustre_msg *msg)
948 switch (msg->lm_magic) {
949 case LUSTRE_MSG_MAGIC_V2: {
950 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
952 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
953 return PTL_RPC_MSG_ERR;
958 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
959 return PTL_RPC_MSG_ERR;
963 __u32 lustre_msg_get_version(struct lustre_msg *msg)
965 switch (msg->lm_magic) {
966 case LUSTRE_MSG_MAGIC_V2: {
967 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
969 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
972 return pb->pb_version;
975 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
980 void lustre_msg_add_version(struct lustre_msg *msg, int version)
982 switch (msg->lm_magic) {
983 case LUSTRE_MSG_MAGIC_V2: {
984 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
985 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
986 pb->pb_version |= version;
990 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
994 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
996 switch (msg->lm_magic) {
997 case LUSTRE_MSG_MAGIC_V2: {
998 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1000 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1006 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1012 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1014 switch (msg->lm_magic) {
1015 case LUSTRE_MSG_MAGIC_V2: {
1016 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1018 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1021 return pb->pb_last_xid;
1024 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1029 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1031 switch (msg->lm_magic) {
1032 case LUSTRE_MSG_MAGIC_V2: {
1033 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1035 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1038 return pb->pb_last_committed;
1041 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1046 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1048 switch (msg->lm_magic) {
1049 case LUSTRE_MSG_MAGIC_V1:
1051 case LUSTRE_MSG_MAGIC_V2: {
1052 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1054 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1057 return pb->pb_pre_versions;
1060 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1065 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1067 switch (msg->lm_magic) {
1068 case LUSTRE_MSG_MAGIC_V2: {
1069 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1071 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1074 return pb->pb_transno;
1077 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1082 int lustre_msg_get_status(struct lustre_msg *msg)
1084 switch (msg->lm_magic) {
1085 case LUSTRE_MSG_MAGIC_V2: {
1086 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1088 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1091 return pb->pb_status;
1094 /* status might be printed in debug code while message
1100 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1102 switch (msg->lm_magic) {
1103 case LUSTRE_MSG_MAGIC_V2: {
1104 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1106 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1112 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1118 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1120 switch (msg->lm_magic) {
1121 case LUSTRE_MSG_MAGIC_V2: {
1122 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1124 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1131 CERROR("invalid msg magic %x\n", msg->lm_magic);
1136 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1138 switch (msg->lm_magic) {
1139 case LUSTRE_MSG_MAGIC_V2: {
1140 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1142 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1145 return pb->pb_limit;
1148 CERROR("invalid msg magic %x\n", msg->lm_magic);
1154 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1156 switch (msg->lm_magic) {
1157 case LUSTRE_MSG_MAGIC_V2: {
1158 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1160 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1163 pb->pb_limit = limit;
1167 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1172 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1174 switch (msg->lm_magic) {
1175 case LUSTRE_MSG_MAGIC_V2: {
1176 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1178 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1181 return pb->pb_conn_cnt;
1184 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1189 int lustre_msg_is_v1(struct lustre_msg *msg)
1191 switch (msg->lm_magic) {
1192 case LUSTRE_MSG_MAGIC_V1:
1193 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1200 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1202 switch (msg->lm_magic) {
1203 case LUSTRE_MSG_MAGIC_V2:
1204 return msg->lm_magic;
1206 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1211 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1213 switch (msg->lm_magic) {
1214 case LUSTRE_MSG_MAGIC_V1:
1215 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1217 case LUSTRE_MSG_MAGIC_V2: {
1218 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1220 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1224 return pb->pb_timeout;
1227 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1232 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1234 switch (msg->lm_magic) {
1235 case LUSTRE_MSG_MAGIC_V1:
1236 case LUSTRE_MSG_MAGIC_V1_SWABBED:
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);
1245 return pb->pb_service_time;
1248 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1253 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1255 switch (msg->lm_magic) {
1256 case LUSTRE_MSG_MAGIC_V1:
1257 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1259 case LUSTRE_MSG_MAGIC_V2: {
1260 struct ptlrpc_body *pb =
1261 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1262 sizeof(struct ptlrpc_body));
1266 return pb->pb_jobid;
1269 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1273 EXPORT_SYMBOL(lustre_msg_get_jobid);
1275 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1277 switch (msg->lm_magic) {
1278 case LUSTRE_MSG_MAGIC_V2:
1279 return msg->lm_cksum;
1281 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1286 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
1288 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1289 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1290 * more sense to compute the checksum on the full ptlrpc_body, regardless
1291 * of what size it is, but in order to keep interoperability with 1.8 we
1292 * can optionally also checksum only the first 88 bytes (caller decides). */
1293 # define ptlrpc_body_cksum_size_compat18 88
1295 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1297 # warning "remove checksum compatibility support for b1_8"
1298 __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 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
1305 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1306 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1307 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1308 return crc32_le(~(__u32)0, (unsigned char *)pb, len);
1310 # warning "remove checksum compatibility support for b1_8"
1311 return crc32_le(~(__u32)0, (unsigned char *)pb,
1312 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF));
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, "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);
1377 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1379 switch (msg->lm_magic) {
1380 case LUSTRE_MSG_MAGIC_V2: {
1381 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1382 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1383 pb->pb_last_committed = last_committed;
1387 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1391 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1393 switch (msg->lm_magic) {
1394 case LUSTRE_MSG_MAGIC_V1:
1396 case LUSTRE_MSG_MAGIC_V2: {
1397 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1398 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1399 pb->pb_pre_versions[0] = versions[0];
1400 pb->pb_pre_versions[1] = versions[1];
1401 pb->pb_pre_versions[2] = versions[2];
1402 pb->pb_pre_versions[3] = versions[3];
1406 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1410 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1412 switch (msg->lm_magic) {
1413 case LUSTRE_MSG_MAGIC_V2: {
1414 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1415 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1416 pb->pb_transno = transno;
1420 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1424 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1426 switch (msg->lm_magic) {
1427 case LUSTRE_MSG_MAGIC_V2: {
1428 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1429 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1430 pb->pb_status = status;
1434 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1438 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1440 switch (msg->lm_magic) {
1441 case LUSTRE_MSG_MAGIC_V2: {
1442 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1443 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1444 pb->pb_conn_cnt = conn_cnt;
1448 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1452 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1454 switch (msg->lm_magic) {
1455 case LUSTRE_MSG_MAGIC_V1:
1457 case LUSTRE_MSG_MAGIC_V2: {
1458 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1459 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1460 pb->pb_timeout = timeout;
1464 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1468 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1470 switch (msg->lm_magic) {
1471 case LUSTRE_MSG_MAGIC_V1:
1473 case LUSTRE_MSG_MAGIC_V2: {
1474 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1475 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1476 pb->pb_service_time = service_time;
1480 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1484 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1486 switch (msg->lm_magic) {
1487 case LUSTRE_MSG_MAGIC_V1:
1489 case LUSTRE_MSG_MAGIC_V2: {
1490 __u32 opc = lustre_msg_get_opc(msg);
1491 struct ptlrpc_body *pb;
1493 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1494 * See the comment in ptlrpc_request_pack(). */
1495 if (!opc || opc == LDLM_BL_CALLBACK ||
1496 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1499 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1500 sizeof(struct ptlrpc_body));
1501 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1502 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1506 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1509 EXPORT_SYMBOL(lustre_msg_set_jobid);
1511 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1513 switch (msg->lm_magic) {
1514 case LUSTRE_MSG_MAGIC_V1:
1516 case LUSTRE_MSG_MAGIC_V2:
1517 msg->lm_cksum = cksum;
1520 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1525 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1527 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1529 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1530 req->rq_pill.rc_area[RCL_SERVER]);
1531 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1532 req->rq_reqmsg->lm_repsize = req->rq_replen;
1535 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1537 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1538 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1539 req->rq_reqmsg->lm_repsize = req->rq_replen;
1543 * Send a remote set_info_async.
1545 * This may go from client to server or server to client.
1547 int do_set_info_async(struct obd_import *imp,
1548 int opcode, int version,
1549 obd_count keylen, void *key,
1550 obd_count vallen, void *val,
1551 struct ptlrpc_request_set *set)
1553 struct ptlrpc_request *req;
1558 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1562 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1563 RCL_CLIENT, keylen);
1564 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1565 RCL_CLIENT, vallen);
1566 rc = ptlrpc_request_pack(req, version, opcode);
1568 ptlrpc_request_free(req);
1572 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1573 memcpy(tmp, key, keylen);
1574 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1575 memcpy(tmp, val, vallen);
1577 ptlrpc_request_set_replen(req);
1580 ptlrpc_set_add_req(set, req);
1581 ptlrpc_check_set(NULL, set);
1583 rc = ptlrpc_queue_wait(req);
1584 ptlrpc_req_finished(req);
1589 EXPORT_SYMBOL(do_set_info_async);
1591 /* byte flipping routines for all wire types declared in
1592 * lustre_idl.h implemented here.
1594 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1596 __swab32s (&b->pb_type);
1597 __swab32s (&b->pb_version);
1598 __swab32s (&b->pb_opc);
1599 __swab32s (&b->pb_status);
1600 __swab64s (&b->pb_last_xid);
1601 __swab64s (&b->pb_last_seen);
1602 __swab64s (&b->pb_last_committed);
1603 __swab64s (&b->pb_transno);
1604 __swab32s (&b->pb_flags);
1605 __swab32s (&b->pb_op_flags);
1606 __swab32s (&b->pb_conn_cnt);
1607 __swab32s (&b->pb_timeout);
1608 __swab32s (&b->pb_service_time);
1609 __swab32s (&b->pb_limit);
1610 __swab64s (&b->pb_slv);
1611 __swab64s (&b->pb_pre_versions[0]);
1612 __swab64s (&b->pb_pre_versions[1]);
1613 __swab64s (&b->pb_pre_versions[2]);
1614 __swab64s (&b->pb_pre_versions[3]);
1615 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1616 /* While we need to maintain compatibility between
1617 * clients and servers without ptlrpc_body_v2 (< 2.3)
1618 * do not swab any fields beyond pb_jobid, as we are
1619 * using this swab function for both ptlrpc_body
1620 * and ptlrpc_body_v2. */
1621 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1624 void lustre_swab_connect(struct obd_connect_data *ocd)
1626 __swab64s(&ocd->ocd_connect_flags);
1627 __swab32s(&ocd->ocd_version);
1628 __swab32s(&ocd->ocd_grant);
1629 __swab64s(&ocd->ocd_ibits_known);
1630 __swab32s(&ocd->ocd_index);
1631 __swab32s(&ocd->ocd_brw_size);
1632 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1633 * they are 8-byte values */
1634 __swab16s(&ocd->ocd_grant_extent);
1635 __swab32s(&ocd->ocd_unused);
1636 __swab64s(&ocd->ocd_transno);
1637 __swab32s(&ocd->ocd_group);
1638 __swab32s(&ocd->ocd_cksum_types);
1639 __swab32s(&ocd->ocd_instance);
1640 /* Fields after ocd_cksum_types are only accessible by the receiver
1641 * if the corresponding flag in ocd_connect_flags is set. Accessing
1642 * any field after ocd_maxbytes on the receiver without a valid flag
1643 * may result in out-of-bound memory access and kernel oops. */
1644 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1645 __swab32s(&ocd->ocd_max_easize);
1646 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1647 __swab64s(&ocd->ocd_maxbytes);
1648 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1649 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1650 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1651 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1652 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1653 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1654 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1655 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1656 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1657 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1658 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1659 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1660 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1661 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1662 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1665 void lustre_swab_obdo (struct obdo *o)
1667 __swab64s (&o->o_valid);
1668 __swab64s (&o->o_id);
1669 __swab64s (&o->o_seq);
1670 __swab64s (&o->o_parent_seq);
1671 __swab64s (&o->o_size);
1672 __swab64s (&o->o_mtime);
1673 __swab64s (&o->o_atime);
1674 __swab64s (&o->o_ctime);
1675 __swab64s (&o->o_blocks);
1676 __swab64s (&o->o_grant);
1677 __swab32s (&o->o_blksize);
1678 __swab32s (&o->o_mode);
1679 __swab32s (&o->o_uid);
1680 __swab32s (&o->o_gid);
1681 __swab32s (&o->o_flags);
1682 __swab32s (&o->o_nlink);
1683 __swab32s (&o->o_parent_oid);
1684 __swab32s (&o->o_misc);
1685 __swab64s (&o->o_ioepoch);
1686 __swab32s (&o->o_stripe_idx);
1687 __swab32s (&o->o_parent_ver);
1688 /* o_handle is opaque */
1689 /* o_lcookie is swabbed elsewhere */
1690 __swab32s (&o->o_uid_h);
1691 __swab32s (&o->o_gid_h);
1692 __swab64s (&o->o_data_version);
1693 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1694 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1695 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1699 void lustre_swab_obd_statfs (struct obd_statfs *os)
1701 __swab64s (&os->os_type);
1702 __swab64s (&os->os_blocks);
1703 __swab64s (&os->os_bfree);
1704 __swab64s (&os->os_bavail);
1705 __swab64s (&os->os_files);
1706 __swab64s (&os->os_ffree);
1707 /* no need to swab os_fsid */
1708 __swab32s (&os->os_bsize);
1709 __swab32s (&os->os_namelen);
1710 __swab64s (&os->os_maxbytes);
1711 __swab32s (&os->os_state);
1712 CLASSERT(offsetof(typeof(*os), os_spare1) != 0);
1713 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1714 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1715 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1716 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1717 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1718 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1719 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1720 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1723 void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
1725 __swab64s (&ioo->ioo_id);
1726 __swab64s (&ioo->ioo_seq);
1727 __swab32s (&ioo->ioo_type);
1728 __swab32s (&ioo->ioo_bufcnt);
1731 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1733 __swab64s (&nbr->offset);
1734 __swab32s (&nbr->len);
1735 __swab32s (&nbr->flags);
1738 void lustre_swab_ost_body (struct ost_body *b)
1740 lustre_swab_obdo (&b->oa);
1743 void lustre_swab_ost_last_id(obd_id *id)
1748 void lustre_swab_generic_32s(__u32 *val)
1753 void lustre_swab_lvb(union ldlm_wire_lvb *lvb)
1755 /* The ldlm_wire_lvb union represents all the possible LVB types.
1756 * Unfortunately, there is no way to know what member of the union we
1757 * are dealing with at this point. Therefore, all LVB structures must
1758 * have fields of the same types, although used for different purposes
1760 __swab64s(&lvb->l_ost.lvb_size);
1761 __swab64s(&lvb->l_ost.lvb_mtime);
1762 __swab64s(&lvb->l_ost.lvb_atime);
1763 __swab64s(&lvb->l_ost.lvb_ctime);
1764 __swab64s(&lvb->l_ost.lvb_blocks);
1767 void lustre_swab_mdt_body (struct mdt_body *b)
1769 lustre_swab_lu_fid (&b->fid1);
1770 lustre_swab_lu_fid (&b->fid2);
1771 /* handle is opaque */
1772 __swab64s (&b->valid);
1773 __swab64s (&b->size);
1774 __swab64s (&b->mtime);
1775 __swab64s (&b->atime);
1776 __swab64s (&b->ctime);
1777 __swab64s (&b->blocks);
1778 __swab64s (&b->ioepoch);
1779 __swab64s (&b->ino);
1780 __swab32s (&b->fsuid);
1781 __swab32s (&b->fsgid);
1782 __swab32s (&b->capability);
1783 __swab32s (&b->mode);
1784 __swab32s (&b->uid);
1785 __swab32s (&b->gid);
1786 __swab32s (&b->flags);
1787 __swab32s (&b->rdev);
1788 __swab32s (&b->nlink);
1789 __swab32s (&b->generation);
1790 __swab32s (&b->suppgid);
1791 __swab32s (&b->eadatasize);
1792 __swab32s (&b->aclsize);
1793 __swab32s (&b->max_mdsize);
1794 __swab32s (&b->max_cookiesize);
1795 __swab32s (&b->uid_h);
1796 __swab32s (&b->gid_h);
1797 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1800 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1802 /* handle is opaque */
1803 __swab64s (&b->ioepoch);
1804 __swab32s (&b->flags);
1805 CLASSERT(offsetof(typeof(*b), padding) != 0);
1808 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1811 __swab32s(&mti->mti_lustre_ver);
1812 __swab32s(&mti->mti_stripe_index);
1813 __swab32s(&mti->mti_config_ver);
1814 __swab32s(&mti->mti_flags);
1815 __swab32s(&mti->mti_instance);
1816 __swab32s(&mti->mti_nid_count);
1817 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1818 for (i = 0; i < MTI_NIDS_MAX; i++)
1819 __swab64s(&mti->mti_nids[i]);
1822 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1826 __swab64s(&entry->mne_version);
1827 __swab32s(&entry->mne_instance);
1828 __swab32s(&entry->mne_index);
1829 __swab32s(&entry->mne_length);
1831 /* mne_nid_(count|type) must be one byte size because we're gonna
1832 * access it w/o swapping. */
1833 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1834 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1836 /* remove this assertion if ipv6 is supported. */
1837 LASSERT(entry->mne_nid_type == 0);
1838 for (i = 0; i < entry->mne_nid_count; i++) {
1839 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1840 __swab64s(&entry->u.nids[i]);
1843 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1845 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1847 __swab64s(&body->mcb_offset);
1848 __swab32s(&body->mcb_units);
1849 __swab16s(&body->mcb_type);
1851 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1853 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1855 __swab64s(&body->mcr_offset);
1856 __swab64s(&body->mcr_size);
1858 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1860 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1862 __swab64s (&i->dqi_bgrace);
1863 __swab64s (&i->dqi_igrace);
1864 __swab32s (&i->dqi_flags);
1865 __swab32s (&i->dqi_valid);
1868 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1870 __swab64s (&b->dqb_ihardlimit);
1871 __swab64s (&b->dqb_isoftlimit);
1872 __swab64s (&b->dqb_curinodes);
1873 __swab64s (&b->dqb_bhardlimit);
1874 __swab64s (&b->dqb_bsoftlimit);
1875 __swab64s (&b->dqb_curspace);
1876 __swab64s (&b->dqb_btime);
1877 __swab64s (&b->dqb_itime);
1878 __swab32s (&b->dqb_valid);
1879 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1882 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1884 __swab32s (&q->qc_cmd);
1885 __swab32s (&q->qc_type);
1886 __swab32s (&q->qc_id);
1887 __swab32s (&q->qc_stat);
1888 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1889 lustre_swab_obd_dqblk (&q->qc_dqblk);
1892 void lustre_swab_quota_adjust_qunit (struct quota_adjust_qunit *q)
1894 __swab32s (&q->qaq_flags);
1895 __swab32s (&q->qaq_id);
1896 __swab64s (&q->qaq_bunit_sz);
1897 __swab64s (&q->qaq_iunit_sz);
1898 __swab64s (&q->padding1);
1901 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1903 __swab32s (&p->rp_uid);
1904 __swab32s (&p->rp_gid);
1905 __swab32s (&p->rp_fsuid);
1906 __swab32s (&p->rp_fsuid_h);
1907 __swab32s (&p->rp_fsgid);
1908 __swab32s (&p->rp_fsgid_h);
1909 __swab32s (&p->rp_access_perm);
1910 __swab32s (&p->rp_padding);
1913 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1915 lustre_swab_lu_fid(&gf->gf_fid);
1916 __swab64s(&gf->gf_recno);
1917 __swab32s(&gf->gf_linkno);
1918 __swab32s(&gf->gf_pathlen);
1920 EXPORT_SYMBOL(lustre_swab_fid2path);
1922 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1924 __swab64s(&fm_extent->fe_logical);
1925 __swab64s(&fm_extent->fe_physical);
1926 __swab64s(&fm_extent->fe_length);
1927 __swab32s(&fm_extent->fe_flags);
1928 __swab32s(&fm_extent->fe_device);
1931 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1935 __swab64s(&fiemap->fm_start);
1936 __swab64s(&fiemap->fm_length);
1937 __swab32s(&fiemap->fm_flags);
1938 __swab32s(&fiemap->fm_mapped_extents);
1939 __swab32s(&fiemap->fm_extent_count);
1940 __swab32s(&fiemap->fm_reserved);
1942 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1943 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1946 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1948 __swab32s (&rr->rr_opcode);
1949 __swab32s (&rr->rr_cap);
1950 __swab32s (&rr->rr_fsuid);
1951 /* rr_fsuid_h is unused */
1952 __swab32s (&rr->rr_fsgid);
1953 /* rr_fsgid_h is unused */
1954 __swab32s (&rr->rr_suppgid1);
1955 /* rr_suppgid1_h is unused */
1956 __swab32s (&rr->rr_suppgid2);
1957 /* rr_suppgid2_h is unused */
1958 lustre_swab_lu_fid (&rr->rr_fid1);
1959 lustre_swab_lu_fid (&rr->rr_fid2);
1960 __swab64s (&rr->rr_mtime);
1961 __swab64s (&rr->rr_atime);
1962 __swab64s (&rr->rr_ctime);
1963 __swab64s (&rr->rr_size);
1964 __swab64s (&rr->rr_blocks);
1965 __swab32s (&rr->rr_bias);
1966 __swab32s (&rr->rr_mode);
1967 __swab32s (&rr->rr_flags);
1969 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
1970 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
1971 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1974 void lustre_swab_lov_desc (struct lov_desc *ld)
1976 __swab32s (&ld->ld_tgt_count);
1977 __swab32s (&ld->ld_active_tgt_count);
1978 __swab32s (&ld->ld_default_stripe_count);
1979 __swab32s (&ld->ld_pattern);
1980 __swab64s (&ld->ld_default_stripe_size);
1981 __swab64s (&ld->ld_default_stripe_offset);
1982 __swab32s (&ld->ld_qos_maxage);
1983 /* uuid endian insensitive */
1986 void lustre_swab_lmv_desc (struct lmv_desc *ld)
1988 __swab32s (&ld->ld_tgt_count);
1989 __swab32s (&ld->ld_active_tgt_count);
1990 __swab32s (&ld->ld_default_stripe_count);
1991 __swab32s (&ld->ld_pattern);
1992 __swab64s (&ld->ld_default_hash_size);
1993 __swab32s (&ld->ld_qos_maxage);
1994 /* uuid endian insensitive */
1997 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
1999 __swab32s(&mea->mea_magic);
2000 __swab32s(&mea->mea_count);
2001 __swab32s(&mea->mea_master);
2002 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
2006 static void print_lum (struct lov_user_md *lum)
2008 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
2009 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
2010 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2011 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
2012 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_seq);
2013 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2014 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2015 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2016 lum->u.lum_stripe_offset);
2019 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2022 __swab32s(&lum->lmm_magic);
2023 __swab32s(&lum->lmm_pattern);
2024 __swab64s(&lum->lmm_object_id);
2025 __swab64s(&lum->lmm_object_seq);
2026 __swab32s(&lum->lmm_stripe_size);
2027 __swab16s(&lum->lmm_stripe_count);
2028 __swab16s(&lum->u.lum_stripe_offset);
2033 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2036 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2037 lustre_swab_lov_user_md_common(lum);
2041 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2044 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2045 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2046 /* lmm_pool_name nothing to do with char */
2050 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2053 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2054 __swab32s(&lmm->lmm_magic);
2055 __swab32s(&lmm->lmm_pattern);
2056 __swab64s(&lmm->lmm_object_id);
2057 __swab64s(&lmm->lmm_object_seq);
2058 __swab32s(&lmm->lmm_stripe_size);
2059 __swab16s(&lmm->lmm_stripe_count);
2060 __swab16s(&lmm->lmm_layout_gen);
2064 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2069 for (i = 0; i < stripe_count; i++) {
2070 __swab64s(&(lod[i].l_object_id));
2071 __swab64s(&(lod[i].l_object_seq));
2072 __swab32s(&(lod[i].l_ost_gen));
2073 __swab32s(&(lod[i].l_ost_idx));
2079 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2083 for (i = 0; i < RES_NAME_SIZE; i++)
2084 __swab64s (&id->name[i]);
2087 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2089 /* the lock data is a union and the first two fields are always an
2090 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2091 * data the same way. */
2092 __swab64s(&d->l_extent.start);
2093 __swab64s(&d->l_extent.end);
2094 __swab64s(&d->l_extent.gid);
2095 __swab64s(&d->l_flock.lfw_owner);
2096 __swab32s(&d->l_flock.lfw_pid);
2099 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2101 __swab64s (&i->opc);
2104 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2106 __swab32s (&r->lr_type);
2107 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2108 lustre_swab_ldlm_res_id (&r->lr_name);
2111 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2113 lustre_swab_ldlm_resource_desc (&l->l_resource);
2114 __swab32s (&l->l_req_mode);
2115 __swab32s (&l->l_granted_mode);
2116 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2119 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2121 __swab32s (&rq->lock_flags);
2122 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2123 __swab32s (&rq->lock_count);
2124 /* lock_handle[] opaque */
2127 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2129 __swab32s (&r->lock_flags);
2130 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2131 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2132 /* lock_handle opaque */
2133 __swab64s (&r->lock_policy_res1);
2134 __swab64s (&r->lock_policy_res2);
2137 /* no one calls this */
2138 int llog_log_swabbed(struct llog_log_hdr *hdr)
2140 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
2142 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
2147 void lustre_swab_qdata(struct qunit_data *d)
2149 __swab32s (&d->qd_id);
2150 __swab32s (&d->qd_flags);
2151 __swab64s (&d->qd_count);
2152 __swab64s (&d->qd_qunit);
2153 CLASSERT(offsetof(typeof(*d), padding) != 0);
2156 /* Dump functions */
2157 void dump_ioo(struct obd_ioobj *ioo)
2160 "obd_ioobj: ioo_id="LPD64", ioo_seq="LPD64", ioo_type=%d, "
2161 "ioo_bufct=%d\n", ioo->ioo_id, ioo->ioo_seq, ioo->ioo_type,
2165 void dump_rniobuf(struct niobuf_remote *nb)
2167 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2168 nb->offset, nb->len, nb->flags);
2171 void dump_obdo(struct obdo *oa)
2173 __u32 valid = oa->o_valid;
2175 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2176 if (valid & OBD_MD_FLID)
2177 CDEBUG(D_RPCTRACE, "obdo: o_id = "LPD64"\n", oa->o_id);
2178 if (valid & OBD_MD_FLGROUP)
2179 CDEBUG(D_RPCTRACE, "obdo: o_seq = "LPD64"\n", oa->o_seq);
2180 if (valid & OBD_MD_FLFID)
2181 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2183 if (valid & OBD_MD_FLSIZE)
2184 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2185 if (valid & OBD_MD_FLMTIME)
2186 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2187 if (valid & OBD_MD_FLATIME)
2188 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2189 if (valid & OBD_MD_FLCTIME)
2190 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2191 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2192 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2193 if (valid & OBD_MD_FLGRANT)
2194 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2195 if (valid & OBD_MD_FLBLKSZ)
2196 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2197 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2198 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2199 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2200 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2201 if (valid & OBD_MD_FLUID)
2202 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2203 if (valid & OBD_MD_FLUID)
2204 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2205 if (valid & OBD_MD_FLGID)
2206 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2207 if (valid & OBD_MD_FLGID)
2208 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2209 if (valid & OBD_MD_FLFLAGS)
2210 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2211 if (valid & OBD_MD_FLNLINK)
2212 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2213 else if (valid & OBD_MD_FLCKSUM)
2214 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2216 if (valid & OBD_MD_FLGENER)
2217 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2219 if (valid & OBD_MD_FLEPOCH)
2220 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2222 if (valid & OBD_MD_FLFID) {
2223 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2225 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2228 if (valid & OBD_MD_FLHANDLE)
2229 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2230 oa->o_handle.cookie);
2231 if (valid & OBD_MD_FLCOOKIE)
2232 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2233 "(llog_cookie dumping not yet implemented)\n");
2236 void dump_ost_body(struct ost_body *ob)
2241 void dump_rcs(__u32 *rc)
2243 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2249 * got qdata from request(req/rep)
2251 struct qunit_data *quota_get_qdata(void *r, int is_req, int is_exp)
2253 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2254 struct qunit_data *qdata;
2255 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2256 req->rq_import->imp_connect_data.ocd_connect_flags;
2259 /* support for quota64 */
2260 LASSERT(flags & OBD_CONNECT_QUOTA64);
2261 /* support for change_qs */
2262 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2264 if (is_req == QUOTA_REQUEST)
2265 qdata = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2267 qdata = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2269 return ERR_PTR(-EPROTO);
2271 QDATA_SET_CHANGE_QS(qdata);
2274 EXPORT_SYMBOL(quota_get_qdata);
2277 * copy qdata to request(req/rep)
2279 int quota_copy_qdata(void *r, struct qunit_data *qdata, int is_req,
2282 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2284 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2285 req->rq_import->imp_connect_data.ocd_connect_flags;
2289 /* support for quota64 */
2290 LASSERT(flags & OBD_CONNECT_QUOTA64);
2291 /* support for change_qs */
2292 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2294 if (is_req == QUOTA_REQUEST)
2295 target = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2297 target = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2301 LASSERT(target != qdata);
2302 memcpy(target, qdata, sizeof(*qdata));
2305 EXPORT_SYMBOL(quota_copy_qdata);
2306 #endif /* __KERNEL__ */
2308 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2310 LASSERT(req->rq_reqmsg);
2312 switch (req->rq_reqmsg->lm_magic) {
2313 case LUSTRE_MSG_MAGIC_V2:
2314 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2316 CERROR("bad lustre msg magic: %#08X\n",
2317 req->rq_reqmsg->lm_magic);
2322 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2324 LASSERT(req->rq_repmsg);
2326 switch (req->rq_repmsg->lm_magic) {
2327 case LUSTRE_MSG_MAGIC_V2:
2328 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2330 /* uninitialized yet */
2335 void _debug_req(struct ptlrpc_request *req,
2336 struct libcfs_debug_msg_data *msgdata,
2337 const char *fmt, ... )
2339 int req_ok = req->rq_reqmsg != NULL;
2340 int rep_ok = req->rq_repmsg != NULL;
2341 lnet_nid_t nid = LNET_NID_ANY;
2344 if (ptlrpc_req_need_swab(req)) {
2345 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2346 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2349 if (req->rq_import && req->rq_import->imp_connection)
2350 nid = req->rq_import->imp_connection->c_peer.nid;
2351 else if (req->rq_export && req->rq_export->exp_connection)
2352 nid = req->rq_export->exp_connection->c_peer.nid;
2354 va_start(args, fmt);
2355 libcfs_debug_vmsg2(msgdata, fmt, args,
2356 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2357 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2358 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2359 req, req->rq_xid, req->rq_transno,
2360 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2361 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2363 req->rq_import->imp_obd->obd_name :
2365 req->rq_export->exp_client_uuid.uuid :
2367 libcfs_nid2str(nid),
2368 req->rq_request_portal, req->rq_reply_portal,
2369 req->rq_reqlen, req->rq_replen,
2370 req->rq_early_count, req->rq_timedout,
2372 cfs_atomic_read(&req->rq_refcount),
2373 DEBUG_REQ_FLAGS(req),
2374 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2375 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2377 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2379 EXPORT_SYMBOL(_debug_req);
2381 void lustre_swab_lustre_capa(struct lustre_capa *c)
2383 lustre_swab_lu_fid(&c->lc_fid);
2384 __swab64s (&c->lc_opc);
2385 __swab64s (&c->lc_uid);
2386 __swab64s (&c->lc_gid);
2387 __swab32s (&c->lc_flags);
2388 __swab32s (&c->lc_keyid);
2389 __swab32s (&c->lc_timeout);
2390 __swab32s (&c->lc_expiry);
2393 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2395 __swab64s (&k->lk_seq);
2396 __swab32s (&k->lk_keyid);
2397 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2400 void lustre_swab_hsm_state(struct hsm_state_set_ioc *hssi)
2402 lustre_swab_lu_fid(&hssi->hssi_fid);
2403 __swab64s(&hssi->hssi_setmask);
2404 __swab64s(&hssi->hssi_clearmask);
2406 EXPORT_SYMBOL(lustre_swab_hsm_state);
2408 void lustre_swab_hsm_user_request(struct hsm_user_request *hur)
2412 __swab32s(&hur->hur_action);
2413 __swab32s(&hur->hur_itemcount);
2414 __swab32s(&hur->hur_data_len);
2415 for (i = 0; i < hur->hur_itemcount; i++) {
2416 struct hsm_user_item *hui = &hur->hur_user_item[i];
2417 lustre_swab_lu_fid(&hui->hui_fid);
2418 __swab64s(&hui->hui_extent.offset);
2419 __swab64s(&hui->hui_extent.length);
2421 /* Note: data blob is not swabbed here */
2423 EXPORT_SYMBOL(lustre_swab_hsm_user_request);
2425 void lustre_swab_hsm_progress(struct hsm_progress *hp)
2427 lustre_swab_lu_fid(&hp->hp_fid);
2428 __swab64s(&hp->hp_cookie);
2429 __swab64s(&hp->hp_extent.offset);
2430 __swab64s(&hp->hp_extent.length);
2431 __swab16s(&hp->hp_flags);
2432 __swab16s(&hp->hp_errval);
2434 EXPORT_SYMBOL(lustre_swab_hsm_progress);