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)
1306 unsigned int hsize = 4;
1307 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1308 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1309 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1310 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1311 len, NULL, 0, (unsigned char *)&crc,
1315 # warning "remove checksum compatibility support for b1_8"
1317 unsigned int hsize = 4;
1318 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1319 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF),
1320 NULL, 0, (unsigned char *)&crc, &hsize);
1325 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1330 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1332 switch (msg->lm_magic) {
1333 case LUSTRE_MSG_MAGIC_V2: {
1334 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1335 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1336 pb->pb_handle = *handle;
1340 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1344 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1346 switch (msg->lm_magic) {
1347 case LUSTRE_MSG_MAGIC_V2: {
1348 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1349 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1354 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1358 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1360 switch (msg->lm_magic) {
1361 case LUSTRE_MSG_MAGIC_V2: {
1362 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1363 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1368 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1372 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1374 switch (msg->lm_magic) {
1375 case LUSTRE_MSG_MAGIC_V2: {
1376 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1377 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1378 pb->pb_last_xid = last_xid;
1382 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1386 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1388 switch (msg->lm_magic) {
1389 case LUSTRE_MSG_MAGIC_V2: {
1390 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1391 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1392 pb->pb_last_committed = last_committed;
1396 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1400 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1402 switch (msg->lm_magic) {
1403 case LUSTRE_MSG_MAGIC_V1:
1405 case LUSTRE_MSG_MAGIC_V2: {
1406 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1407 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1408 pb->pb_pre_versions[0] = versions[0];
1409 pb->pb_pre_versions[1] = versions[1];
1410 pb->pb_pre_versions[2] = versions[2];
1411 pb->pb_pre_versions[3] = versions[3];
1415 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1419 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1421 switch (msg->lm_magic) {
1422 case LUSTRE_MSG_MAGIC_V2: {
1423 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1424 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1425 pb->pb_transno = transno;
1429 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1433 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1435 switch (msg->lm_magic) {
1436 case LUSTRE_MSG_MAGIC_V2: {
1437 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1438 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1439 pb->pb_status = status;
1443 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1447 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1449 switch (msg->lm_magic) {
1450 case LUSTRE_MSG_MAGIC_V2: {
1451 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1452 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1453 pb->pb_conn_cnt = conn_cnt;
1457 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1461 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1463 switch (msg->lm_magic) {
1464 case LUSTRE_MSG_MAGIC_V1:
1466 case LUSTRE_MSG_MAGIC_V2: {
1467 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1468 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1469 pb->pb_timeout = timeout;
1473 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1477 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1479 switch (msg->lm_magic) {
1480 case LUSTRE_MSG_MAGIC_V1:
1482 case LUSTRE_MSG_MAGIC_V2: {
1483 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1484 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1485 pb->pb_service_time = service_time;
1489 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1493 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1495 switch (msg->lm_magic) {
1496 case LUSTRE_MSG_MAGIC_V1:
1498 case LUSTRE_MSG_MAGIC_V2: {
1499 __u32 opc = lustre_msg_get_opc(msg);
1500 struct ptlrpc_body *pb;
1502 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1503 * See the comment in ptlrpc_request_pack(). */
1504 if (!opc || opc == LDLM_BL_CALLBACK ||
1505 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1508 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1509 sizeof(struct ptlrpc_body));
1510 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1511 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1515 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1518 EXPORT_SYMBOL(lustre_msg_set_jobid);
1520 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1522 switch (msg->lm_magic) {
1523 case LUSTRE_MSG_MAGIC_V1:
1525 case LUSTRE_MSG_MAGIC_V2:
1526 msg->lm_cksum = cksum;
1529 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1534 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1536 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1538 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1539 req->rq_pill.rc_area[RCL_SERVER]);
1540 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1541 req->rq_reqmsg->lm_repsize = req->rq_replen;
1544 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1546 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1547 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1548 req->rq_reqmsg->lm_repsize = req->rq_replen;
1552 * Send a remote set_info_async.
1554 * This may go from client to server or server to client.
1556 int do_set_info_async(struct obd_import *imp,
1557 int opcode, int version,
1558 obd_count keylen, void *key,
1559 obd_count vallen, void *val,
1560 struct ptlrpc_request_set *set)
1562 struct ptlrpc_request *req;
1567 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1571 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1572 RCL_CLIENT, keylen);
1573 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1574 RCL_CLIENT, vallen);
1575 rc = ptlrpc_request_pack(req, version, opcode);
1577 ptlrpc_request_free(req);
1581 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1582 memcpy(tmp, key, keylen);
1583 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1584 memcpy(tmp, val, vallen);
1586 ptlrpc_request_set_replen(req);
1589 ptlrpc_set_add_req(set, req);
1590 ptlrpc_check_set(NULL, set);
1592 rc = ptlrpc_queue_wait(req);
1593 ptlrpc_req_finished(req);
1598 EXPORT_SYMBOL(do_set_info_async);
1600 /* byte flipping routines for all wire types declared in
1601 * lustre_idl.h implemented here.
1603 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1605 __swab32s (&b->pb_type);
1606 __swab32s (&b->pb_version);
1607 __swab32s (&b->pb_opc);
1608 __swab32s (&b->pb_status);
1609 __swab64s (&b->pb_last_xid);
1610 __swab64s (&b->pb_last_seen);
1611 __swab64s (&b->pb_last_committed);
1612 __swab64s (&b->pb_transno);
1613 __swab32s (&b->pb_flags);
1614 __swab32s (&b->pb_op_flags);
1615 __swab32s (&b->pb_conn_cnt);
1616 __swab32s (&b->pb_timeout);
1617 __swab32s (&b->pb_service_time);
1618 __swab32s (&b->pb_limit);
1619 __swab64s (&b->pb_slv);
1620 __swab64s (&b->pb_pre_versions[0]);
1621 __swab64s (&b->pb_pre_versions[1]);
1622 __swab64s (&b->pb_pre_versions[2]);
1623 __swab64s (&b->pb_pre_versions[3]);
1624 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1625 /* While we need to maintain compatibility between
1626 * clients and servers without ptlrpc_body_v2 (< 2.3)
1627 * do not swab any fields beyond pb_jobid, as we are
1628 * using this swab function for both ptlrpc_body
1629 * and ptlrpc_body_v2. */
1630 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1633 void lustre_swab_connect(struct obd_connect_data *ocd)
1635 __swab64s(&ocd->ocd_connect_flags);
1636 __swab32s(&ocd->ocd_version);
1637 __swab32s(&ocd->ocd_grant);
1638 __swab64s(&ocd->ocd_ibits_known);
1639 __swab32s(&ocd->ocd_index);
1640 __swab32s(&ocd->ocd_brw_size);
1641 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1642 * they are 8-byte values */
1643 __swab16s(&ocd->ocd_grant_extent);
1644 __swab32s(&ocd->ocd_unused);
1645 __swab64s(&ocd->ocd_transno);
1646 __swab32s(&ocd->ocd_group);
1647 __swab32s(&ocd->ocd_cksum_types);
1648 __swab32s(&ocd->ocd_instance);
1649 /* Fields after ocd_cksum_types are only accessible by the receiver
1650 * if the corresponding flag in ocd_connect_flags is set. Accessing
1651 * any field after ocd_maxbytes on the receiver without a valid flag
1652 * may result in out-of-bound memory access and kernel oops. */
1653 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1654 __swab32s(&ocd->ocd_max_easize);
1655 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1656 __swab64s(&ocd->ocd_maxbytes);
1657 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1658 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1659 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1660 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1661 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1662 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1663 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1664 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1665 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1666 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1667 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1668 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1669 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1670 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1671 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1674 void lustre_swab_obdo (struct obdo *o)
1676 __swab64s (&o->o_valid);
1677 __swab64s (&o->o_id);
1678 __swab64s (&o->o_seq);
1679 __swab64s (&o->o_parent_seq);
1680 __swab64s (&o->o_size);
1681 __swab64s (&o->o_mtime);
1682 __swab64s (&o->o_atime);
1683 __swab64s (&o->o_ctime);
1684 __swab64s (&o->o_blocks);
1685 __swab64s (&o->o_grant);
1686 __swab32s (&o->o_blksize);
1687 __swab32s (&o->o_mode);
1688 __swab32s (&o->o_uid);
1689 __swab32s (&o->o_gid);
1690 __swab32s (&o->o_flags);
1691 __swab32s (&o->o_nlink);
1692 __swab32s (&o->o_parent_oid);
1693 __swab32s (&o->o_misc);
1694 __swab64s (&o->o_ioepoch);
1695 __swab32s (&o->o_stripe_idx);
1696 __swab32s (&o->o_parent_ver);
1697 /* o_handle is opaque */
1698 /* o_lcookie is swabbed elsewhere */
1699 __swab32s (&o->o_uid_h);
1700 __swab32s (&o->o_gid_h);
1701 __swab64s (&o->o_data_version);
1702 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1703 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1704 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1708 void lustre_swab_obd_statfs (struct obd_statfs *os)
1710 __swab64s (&os->os_type);
1711 __swab64s (&os->os_blocks);
1712 __swab64s (&os->os_bfree);
1713 __swab64s (&os->os_bavail);
1714 __swab64s (&os->os_files);
1715 __swab64s (&os->os_ffree);
1716 /* no need to swab os_fsid */
1717 __swab32s (&os->os_bsize);
1718 __swab32s (&os->os_namelen);
1719 __swab64s (&os->os_maxbytes);
1720 __swab32s (&os->os_state);
1721 CLASSERT(offsetof(typeof(*os), os_spare1) != 0);
1722 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1723 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1724 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1725 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1726 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1727 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1728 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1729 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1732 void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
1734 __swab64s (&ioo->ioo_id);
1735 __swab64s (&ioo->ioo_seq);
1736 __swab32s (&ioo->ioo_type);
1737 __swab32s (&ioo->ioo_bufcnt);
1740 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1742 __swab64s (&nbr->offset);
1743 __swab32s (&nbr->len);
1744 __swab32s (&nbr->flags);
1747 void lustre_swab_ost_body (struct ost_body *b)
1749 lustre_swab_obdo (&b->oa);
1752 void lustre_swab_ost_last_id(obd_id *id)
1757 void lustre_swab_generic_32s(__u32 *val)
1762 void lustre_swab_lvb(union ldlm_wire_lvb *lvb)
1764 /* The ldlm_wire_lvb union represents all the possible LVB types.
1765 * Unfortunately, there is no way to know what member of the union we
1766 * are dealing with at this point. Therefore, all LVB structures must
1767 * have fields of the same types, although used for different purposes
1769 __swab64s(&lvb->l_ost.lvb_size);
1770 __swab64s(&lvb->l_ost.lvb_mtime);
1771 __swab64s(&lvb->l_ost.lvb_atime);
1772 __swab64s(&lvb->l_ost.lvb_ctime);
1773 __swab64s(&lvb->l_ost.lvb_blocks);
1776 void lustre_swab_mdt_body (struct mdt_body *b)
1778 lustre_swab_lu_fid (&b->fid1);
1779 lustre_swab_lu_fid (&b->fid2);
1780 /* handle is opaque */
1781 __swab64s (&b->valid);
1782 __swab64s (&b->size);
1783 __swab64s (&b->mtime);
1784 __swab64s (&b->atime);
1785 __swab64s (&b->ctime);
1786 __swab64s (&b->blocks);
1787 __swab64s (&b->ioepoch);
1788 __swab64s (&b->ino);
1789 __swab32s (&b->fsuid);
1790 __swab32s (&b->fsgid);
1791 __swab32s (&b->capability);
1792 __swab32s (&b->mode);
1793 __swab32s (&b->uid);
1794 __swab32s (&b->gid);
1795 __swab32s (&b->flags);
1796 __swab32s (&b->rdev);
1797 __swab32s (&b->nlink);
1798 __swab32s (&b->generation);
1799 __swab32s (&b->suppgid);
1800 __swab32s (&b->eadatasize);
1801 __swab32s (&b->aclsize);
1802 __swab32s (&b->max_mdsize);
1803 __swab32s (&b->max_cookiesize);
1804 __swab32s (&b->uid_h);
1805 __swab32s (&b->gid_h);
1806 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1809 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1811 /* handle is opaque */
1812 __swab64s (&b->ioepoch);
1813 __swab32s (&b->flags);
1814 CLASSERT(offsetof(typeof(*b), padding) != 0);
1817 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1820 __swab32s(&mti->mti_lustre_ver);
1821 __swab32s(&mti->mti_stripe_index);
1822 __swab32s(&mti->mti_config_ver);
1823 __swab32s(&mti->mti_flags);
1824 __swab32s(&mti->mti_instance);
1825 __swab32s(&mti->mti_nid_count);
1826 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1827 for (i = 0; i < MTI_NIDS_MAX; i++)
1828 __swab64s(&mti->mti_nids[i]);
1831 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1835 __swab64s(&entry->mne_version);
1836 __swab32s(&entry->mne_instance);
1837 __swab32s(&entry->mne_index);
1838 __swab32s(&entry->mne_length);
1840 /* mne_nid_(count|type) must be one byte size because we're gonna
1841 * access it w/o swapping. */
1842 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1843 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1845 /* remove this assertion if ipv6 is supported. */
1846 LASSERT(entry->mne_nid_type == 0);
1847 for (i = 0; i < entry->mne_nid_count; i++) {
1848 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1849 __swab64s(&entry->u.nids[i]);
1852 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1854 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1856 __swab64s(&body->mcb_offset);
1857 __swab32s(&body->mcb_units);
1858 __swab16s(&body->mcb_type);
1860 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1862 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1864 __swab64s(&body->mcr_offset);
1865 __swab64s(&body->mcr_size);
1867 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1869 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1871 __swab64s (&i->dqi_bgrace);
1872 __swab64s (&i->dqi_igrace);
1873 __swab32s (&i->dqi_flags);
1874 __swab32s (&i->dqi_valid);
1877 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1879 __swab64s (&b->dqb_ihardlimit);
1880 __swab64s (&b->dqb_isoftlimit);
1881 __swab64s (&b->dqb_curinodes);
1882 __swab64s (&b->dqb_bhardlimit);
1883 __swab64s (&b->dqb_bsoftlimit);
1884 __swab64s (&b->dqb_curspace);
1885 __swab64s (&b->dqb_btime);
1886 __swab64s (&b->dqb_itime);
1887 __swab32s (&b->dqb_valid);
1888 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1891 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1893 __swab32s (&q->qc_cmd);
1894 __swab32s (&q->qc_type);
1895 __swab32s (&q->qc_id);
1896 __swab32s (&q->qc_stat);
1897 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1898 lustre_swab_obd_dqblk (&q->qc_dqblk);
1901 void lustre_swab_quota_adjust_qunit (struct quota_adjust_qunit *q)
1903 __swab32s (&q->qaq_flags);
1904 __swab32s (&q->qaq_id);
1905 __swab64s (&q->qaq_bunit_sz);
1906 __swab64s (&q->qaq_iunit_sz);
1907 __swab64s (&q->padding1);
1910 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1912 __swab32s (&p->rp_uid);
1913 __swab32s (&p->rp_gid);
1914 __swab32s (&p->rp_fsuid);
1915 __swab32s (&p->rp_fsuid_h);
1916 __swab32s (&p->rp_fsgid);
1917 __swab32s (&p->rp_fsgid_h);
1918 __swab32s (&p->rp_access_perm);
1919 __swab32s (&p->rp_padding);
1922 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1924 lustre_swab_lu_fid(&gf->gf_fid);
1925 __swab64s(&gf->gf_recno);
1926 __swab32s(&gf->gf_linkno);
1927 __swab32s(&gf->gf_pathlen);
1929 EXPORT_SYMBOL(lustre_swab_fid2path);
1931 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1933 __swab64s(&fm_extent->fe_logical);
1934 __swab64s(&fm_extent->fe_physical);
1935 __swab64s(&fm_extent->fe_length);
1936 __swab32s(&fm_extent->fe_flags);
1937 __swab32s(&fm_extent->fe_device);
1940 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1944 __swab64s(&fiemap->fm_start);
1945 __swab64s(&fiemap->fm_length);
1946 __swab32s(&fiemap->fm_flags);
1947 __swab32s(&fiemap->fm_mapped_extents);
1948 __swab32s(&fiemap->fm_extent_count);
1949 __swab32s(&fiemap->fm_reserved);
1951 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1952 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1955 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1957 __swab32s (&rr->rr_opcode);
1958 __swab32s (&rr->rr_cap);
1959 __swab32s (&rr->rr_fsuid);
1960 /* rr_fsuid_h is unused */
1961 __swab32s (&rr->rr_fsgid);
1962 /* rr_fsgid_h is unused */
1963 __swab32s (&rr->rr_suppgid1);
1964 /* rr_suppgid1_h is unused */
1965 __swab32s (&rr->rr_suppgid2);
1966 /* rr_suppgid2_h is unused */
1967 lustre_swab_lu_fid (&rr->rr_fid1);
1968 lustre_swab_lu_fid (&rr->rr_fid2);
1969 __swab64s (&rr->rr_mtime);
1970 __swab64s (&rr->rr_atime);
1971 __swab64s (&rr->rr_ctime);
1972 __swab64s (&rr->rr_size);
1973 __swab64s (&rr->rr_blocks);
1974 __swab32s (&rr->rr_bias);
1975 __swab32s (&rr->rr_mode);
1976 __swab32s (&rr->rr_flags);
1978 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
1979 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
1980 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1983 void lustre_swab_lov_desc (struct lov_desc *ld)
1985 __swab32s (&ld->ld_tgt_count);
1986 __swab32s (&ld->ld_active_tgt_count);
1987 __swab32s (&ld->ld_default_stripe_count);
1988 __swab32s (&ld->ld_pattern);
1989 __swab64s (&ld->ld_default_stripe_size);
1990 __swab64s (&ld->ld_default_stripe_offset);
1991 __swab32s (&ld->ld_qos_maxage);
1992 /* uuid endian insensitive */
1995 void lustre_swab_lmv_desc (struct lmv_desc *ld)
1997 __swab32s (&ld->ld_tgt_count);
1998 __swab32s (&ld->ld_active_tgt_count);
1999 __swab32s (&ld->ld_default_stripe_count);
2000 __swab32s (&ld->ld_pattern);
2001 __swab64s (&ld->ld_default_hash_size);
2002 __swab32s (&ld->ld_qos_maxage);
2003 /* uuid endian insensitive */
2006 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
2008 __swab32s(&mea->mea_magic);
2009 __swab32s(&mea->mea_count);
2010 __swab32s(&mea->mea_master);
2011 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
2015 static void print_lum (struct lov_user_md *lum)
2017 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
2018 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
2019 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2020 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
2021 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_seq);
2022 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2023 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2024 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2025 lum->u.lum_stripe_offset);
2028 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2031 __swab32s(&lum->lmm_magic);
2032 __swab32s(&lum->lmm_pattern);
2033 __swab64s(&lum->lmm_object_id);
2034 __swab64s(&lum->lmm_object_seq);
2035 __swab32s(&lum->lmm_stripe_size);
2036 __swab16s(&lum->lmm_stripe_count);
2037 __swab16s(&lum->u.lum_stripe_offset);
2042 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2045 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2046 lustre_swab_lov_user_md_common(lum);
2050 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2053 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2054 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2055 /* lmm_pool_name nothing to do with char */
2059 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2062 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2063 __swab32s(&lmm->lmm_magic);
2064 __swab32s(&lmm->lmm_pattern);
2065 __swab64s(&lmm->lmm_object_id);
2066 __swab64s(&lmm->lmm_object_seq);
2067 __swab32s(&lmm->lmm_stripe_size);
2068 __swab16s(&lmm->lmm_stripe_count);
2069 __swab16s(&lmm->lmm_layout_gen);
2073 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2078 for (i = 0; i < stripe_count; i++) {
2079 __swab64s(&(lod[i].l_object_id));
2080 __swab64s(&(lod[i].l_object_seq));
2081 __swab32s(&(lod[i].l_ost_gen));
2082 __swab32s(&(lod[i].l_ost_idx));
2088 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2092 for (i = 0; i < RES_NAME_SIZE; i++)
2093 __swab64s (&id->name[i]);
2096 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2098 /* the lock data is a union and the first two fields are always an
2099 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2100 * data the same way. */
2101 __swab64s(&d->l_extent.start);
2102 __swab64s(&d->l_extent.end);
2103 __swab64s(&d->l_extent.gid);
2104 __swab64s(&d->l_flock.lfw_owner);
2105 __swab32s(&d->l_flock.lfw_pid);
2108 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2110 __swab64s (&i->opc);
2113 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2115 __swab32s (&r->lr_type);
2116 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2117 lustre_swab_ldlm_res_id (&r->lr_name);
2120 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2122 lustre_swab_ldlm_resource_desc (&l->l_resource);
2123 __swab32s (&l->l_req_mode);
2124 __swab32s (&l->l_granted_mode);
2125 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2128 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2130 __swab32s (&rq->lock_flags);
2131 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2132 __swab32s (&rq->lock_count);
2133 /* lock_handle[] opaque */
2136 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2138 __swab32s (&r->lock_flags);
2139 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2140 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2141 /* lock_handle opaque */
2142 __swab64s (&r->lock_policy_res1);
2143 __swab64s (&r->lock_policy_res2);
2146 /* no one calls this */
2147 int llog_log_swabbed(struct llog_log_hdr *hdr)
2149 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
2151 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
2156 void lustre_swab_qdata(struct qunit_data *d)
2158 __swab32s (&d->qd_id);
2159 __swab32s (&d->qd_flags);
2160 __swab64s (&d->qd_count);
2161 __swab64s (&d->qd_qunit);
2162 CLASSERT(offsetof(typeof(*d), padding) != 0);
2165 /* Dump functions */
2166 void dump_ioo(struct obd_ioobj *ioo)
2169 "obd_ioobj: ioo_id="LPD64", ioo_seq="LPD64", ioo_type=%d, "
2170 "ioo_bufct=%d\n", ioo->ioo_id, ioo->ioo_seq, ioo->ioo_type,
2174 void dump_rniobuf(struct niobuf_remote *nb)
2176 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2177 nb->offset, nb->len, nb->flags);
2180 void dump_obdo(struct obdo *oa)
2182 __u32 valid = oa->o_valid;
2184 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2185 if (valid & OBD_MD_FLID)
2186 CDEBUG(D_RPCTRACE, "obdo: o_id = "LPD64"\n", oa->o_id);
2187 if (valid & OBD_MD_FLGROUP)
2188 CDEBUG(D_RPCTRACE, "obdo: o_seq = "LPD64"\n", oa->o_seq);
2189 if (valid & OBD_MD_FLFID)
2190 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2192 if (valid & OBD_MD_FLSIZE)
2193 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2194 if (valid & OBD_MD_FLMTIME)
2195 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2196 if (valid & OBD_MD_FLATIME)
2197 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2198 if (valid & OBD_MD_FLCTIME)
2199 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2200 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2201 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2202 if (valid & OBD_MD_FLGRANT)
2203 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2204 if (valid & OBD_MD_FLBLKSZ)
2205 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2206 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2207 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2208 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2209 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2210 if (valid & OBD_MD_FLUID)
2211 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2212 if (valid & OBD_MD_FLUID)
2213 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2214 if (valid & OBD_MD_FLGID)
2215 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2216 if (valid & OBD_MD_FLGID)
2217 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2218 if (valid & OBD_MD_FLFLAGS)
2219 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2220 if (valid & OBD_MD_FLNLINK)
2221 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2222 else if (valid & OBD_MD_FLCKSUM)
2223 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2225 if (valid & OBD_MD_FLGENER)
2226 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2228 if (valid & OBD_MD_FLEPOCH)
2229 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2231 if (valid & OBD_MD_FLFID) {
2232 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2234 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2237 if (valid & OBD_MD_FLHANDLE)
2238 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2239 oa->o_handle.cookie);
2240 if (valid & OBD_MD_FLCOOKIE)
2241 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2242 "(llog_cookie dumping not yet implemented)\n");
2245 void dump_ost_body(struct ost_body *ob)
2250 void dump_rcs(__u32 *rc)
2252 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2258 * got qdata from request(req/rep)
2260 struct qunit_data *quota_get_qdata(void *r, int is_req, int is_exp)
2262 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2263 struct qunit_data *qdata;
2264 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2265 req->rq_import->imp_connect_data.ocd_connect_flags;
2268 /* support for quota64 */
2269 LASSERT(flags & OBD_CONNECT_QUOTA64);
2270 /* support for change_qs */
2271 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2273 if (is_req == QUOTA_REQUEST)
2274 qdata = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2276 qdata = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2278 return ERR_PTR(-EPROTO);
2280 QDATA_SET_CHANGE_QS(qdata);
2283 EXPORT_SYMBOL(quota_get_qdata);
2286 * copy qdata to request(req/rep)
2288 int quota_copy_qdata(void *r, struct qunit_data *qdata, int is_req,
2291 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2293 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2294 req->rq_import->imp_connect_data.ocd_connect_flags;
2298 /* support for quota64 */
2299 LASSERT(flags & OBD_CONNECT_QUOTA64);
2300 /* support for change_qs */
2301 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2303 if (is_req == QUOTA_REQUEST)
2304 target = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2306 target = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2310 LASSERT(target != qdata);
2311 memcpy(target, qdata, sizeof(*qdata));
2314 EXPORT_SYMBOL(quota_copy_qdata);
2315 #endif /* __KERNEL__ */
2317 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2319 LASSERT(req->rq_reqmsg);
2321 switch (req->rq_reqmsg->lm_magic) {
2322 case LUSTRE_MSG_MAGIC_V2:
2323 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2325 CERROR("bad lustre msg magic: %#08X\n",
2326 req->rq_reqmsg->lm_magic);
2331 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2333 LASSERT(req->rq_repmsg);
2335 switch (req->rq_repmsg->lm_magic) {
2336 case LUSTRE_MSG_MAGIC_V2:
2337 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2339 /* uninitialized yet */
2344 void _debug_req(struct ptlrpc_request *req,
2345 struct libcfs_debug_msg_data *msgdata,
2346 const char *fmt, ... )
2348 int req_ok = req->rq_reqmsg != NULL;
2349 int rep_ok = req->rq_repmsg != NULL;
2350 lnet_nid_t nid = LNET_NID_ANY;
2353 if (ptlrpc_req_need_swab(req)) {
2354 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2355 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2358 if (req->rq_import && req->rq_import->imp_connection)
2359 nid = req->rq_import->imp_connection->c_peer.nid;
2360 else if (req->rq_export && req->rq_export->exp_connection)
2361 nid = req->rq_export->exp_connection->c_peer.nid;
2363 va_start(args, fmt);
2364 libcfs_debug_vmsg2(msgdata, fmt, args,
2365 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2366 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2367 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2368 req, req->rq_xid, req->rq_transno,
2369 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2370 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2372 req->rq_import->imp_obd->obd_name :
2374 req->rq_export->exp_client_uuid.uuid :
2376 libcfs_nid2str(nid),
2377 req->rq_request_portal, req->rq_reply_portal,
2378 req->rq_reqlen, req->rq_replen,
2379 req->rq_early_count, req->rq_timedout,
2381 cfs_atomic_read(&req->rq_refcount),
2382 DEBUG_REQ_FLAGS(req),
2383 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2384 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2386 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2388 EXPORT_SYMBOL(_debug_req);
2390 void lustre_swab_lustre_capa(struct lustre_capa *c)
2392 lustre_swab_lu_fid(&c->lc_fid);
2393 __swab64s (&c->lc_opc);
2394 __swab64s (&c->lc_uid);
2395 __swab64s (&c->lc_gid);
2396 __swab32s (&c->lc_flags);
2397 __swab32s (&c->lc_keyid);
2398 __swab32s (&c->lc_timeout);
2399 __swab32s (&c->lc_expiry);
2402 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2404 __swab64s (&k->lk_seq);
2405 __swab32s (&k->lk_keyid);
2406 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2409 void lustre_swab_hsm_state(struct hsm_state_set_ioc *hssi)
2411 lustre_swab_lu_fid(&hssi->hssi_fid);
2412 __swab64s(&hssi->hssi_setmask);
2413 __swab64s(&hssi->hssi_clearmask);
2415 EXPORT_SYMBOL(lustre_swab_hsm_state);
2417 void lustre_swab_hsm_user_request(struct hsm_user_request *hur)
2421 __swab32s(&hur->hur_action);
2422 __swab32s(&hur->hur_itemcount);
2423 __swab32s(&hur->hur_data_len);
2424 for (i = 0; i < hur->hur_itemcount; i++) {
2425 struct hsm_user_item *hui = &hur->hur_user_item[i];
2426 lustre_swab_lu_fid(&hui->hui_fid);
2427 __swab64s(&hui->hui_extent.offset);
2428 __swab64s(&hui->hui_extent.length);
2430 /* Note: data blob is not swabbed here */
2432 EXPORT_SYMBOL(lustre_swab_hsm_user_request);
2434 void lustre_swab_hsm_progress(struct hsm_progress *hp)
2436 lustre_swab_lu_fid(&hp->hp_fid);
2437 __swab64s(&hp->hp_cookie);
2438 __swab64s(&hp->hp_extent.offset);
2439 __swab64s(&hp->hp_extent.length);
2440 __swab16s(&hp->hp_flags);
2441 __swab16s(&hp->hp_errval);
2443 EXPORT_SYMBOL(lustre_swab_hsm_progress);