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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2012, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/ptlrpc/pack_generic.c
34 * (Un)packing of OST requests
36 * Author: Peter J. Braam <braam@clusterfs.com>
37 * Author: Phil Schwan <phil@clusterfs.com>
38 * Author: Eric Barton <eeb@clusterfs.com>
41 #define DEBUG_SUBSYSTEM S_RPC
43 #include <linux/libcfs/libcfs.h>
45 #include <uapi/linux/lustre/lustre_fiemap.h>
47 #include <llog_swab.h>
48 #include <lustre_net.h>
49 #include <lustre_swab.h>
50 #include <obd_cksum.h>
51 #include <obd_support.h>
52 #include <obd_class.h>
54 #include "ptlrpc_internal.h"
56 static inline u32 lustre_msg_hdr_size_v2(u32 count)
58 return cfs_size_round(offsetof(struct lustre_msg_v2,
62 u32 lustre_msg_hdr_size(__u32 magic, u32 count)
65 case LUSTRE_MSG_MAGIC_V2:
66 return lustre_msg_hdr_size_v2(count);
68 LASSERTF(0, "incorrect message magic: %08x\n", magic);
73 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
77 lustre_set_req_swabbed(req, index);
79 lustre_set_rep_swabbed(req, index);
82 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
86 return (ptlrpc_req_need_swab(req) &&
87 !lustre_req_swabbed(req, index));
89 return (ptlrpc_rep_need_swab(req) &&
90 !lustre_rep_swabbed(req, index));
93 /* early reply size */
94 u32 lustre_msg_early_size(void)
99 /* Always reply old ptlrpc_body_v2 to keep interoperability
100 * with the old client (< 2.3) which doesn't have pb_jobid
101 * in the ptlrpc_body.
103 * XXX Remove this whenever we drop interoperability with such
106 __u32 pblen = sizeof(struct ptlrpc_body_v2);
108 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
112 EXPORT_SYMBOL(lustre_msg_early_size);
114 u32 lustre_msg_size_v2(int count, __u32 *lengths)
119 size = lustre_msg_hdr_size_v2(count);
120 for (i = 0; i < count; i++)
121 size += cfs_size_round(lengths[i]);
125 EXPORT_SYMBOL(lustre_msg_size_v2);
127 /* This returns the size of the buffer that is required to hold a lustre_msg
128 * with the given sub-buffer lengths.
129 * NOTE: this should only be used for NEW requests, and should always be
130 * in the form of a v2 request. If this is a connection to a v1
131 * target then the first buffer will be stripped because the ptlrpc
132 * data is part of the lustre_msg_v1 header. b=14043
134 u32 lustre_msg_size(__u32 magic, int count, __u32 *lens)
136 __u32 size[] = { sizeof(struct ptlrpc_body) };
144 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
147 case LUSTRE_MSG_MAGIC_V2:
148 return lustre_msg_size_v2(count, lens);
150 LASSERTF(0, "incorrect message magic: %08x\n", magic);
155 /* This is used to determine the size of a buffer that was already packed
156 * and will correctly handle the different message formats.
158 u32 lustre_packed_msg_size(struct lustre_msg *msg)
160 switch (msg->lm_magic) {
161 case LUSTRE_MSG_MAGIC_V2:
162 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
164 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
169 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
175 msg->lm_bufcount = count;
176 /* XXX: lm_secflvr uninitialized here */
177 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
179 for (i = 0; i < count; i++)
180 msg->lm_buflens[i] = lens[i];
185 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
186 for (i = 0; i < count; i++) {
190 memcpy(ptr, tmp, lens[i]);
191 ptr += cfs_size_round(lens[i]);
194 EXPORT_SYMBOL(lustre_init_msg_v2);
196 static int lustre_pack_request_v2(struct ptlrpc_request *req,
197 int count, __u32 *lens, char **bufs)
201 reqlen = lustre_msg_size_v2(count, lens);
203 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
207 req->rq_reqlen = reqlen;
209 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
210 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
214 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
215 __u32 *lens, char **bufs)
217 __u32 size[] = { sizeof(struct ptlrpc_body) };
225 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
227 /* only use new format, we don't need to be compatible with 1.4 */
228 return lustre_pack_request_v2(req, count, lens, bufs);
232 LIST_HEAD(ptlrpc_rs_debug_lru);
233 spinlock_t ptlrpc_rs_debug_lock;
235 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
237 spin_lock(&ptlrpc_rs_debug_lock); \
238 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
239 spin_unlock(&ptlrpc_rs_debug_lock); \
242 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
244 spin_lock(&ptlrpc_rs_debug_lock); \
245 list_del(&(rs)->rs_debug_list); \
246 spin_unlock(&ptlrpc_rs_debug_lock); \
249 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while (0)
250 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while (0)
253 struct ptlrpc_reply_state *
254 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
256 struct ptlrpc_reply_state *rs = NULL;
258 spin_lock(&svcpt->scp_rep_lock);
260 /* See if we have anything in a pool, and wait if nothing */
261 while (list_empty(&svcpt->scp_rep_idle)) {
262 struct l_wait_info lwi;
265 spin_unlock(&svcpt->scp_rep_lock);
266 /* If we cannot get anything for some long time, we better
267 * bail out instead of waiting infinitely
269 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
270 rc = l_wait_event(svcpt->scp_rep_waitq,
271 !list_empty(&svcpt->scp_rep_idle), &lwi);
274 spin_lock(&svcpt->scp_rep_lock);
277 rs = list_entry(svcpt->scp_rep_idle.next,
278 struct ptlrpc_reply_state, rs_list);
279 list_del(&rs->rs_list);
281 spin_unlock(&svcpt->scp_rep_lock);
283 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
284 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
285 rs->rs_svcpt = svcpt;
291 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
293 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
295 spin_lock(&svcpt->scp_rep_lock);
296 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
297 spin_unlock(&svcpt->scp_rep_lock);
298 wake_up(&svcpt->scp_rep_waitq);
301 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
302 __u32 *lens, char **bufs, int flags)
304 struct ptlrpc_reply_state *rs;
307 LASSERT(!req->rq_reply_state);
309 if ((flags & LPRFL_EARLY_REPLY) == 0) {
310 spin_lock(&req->rq_lock);
311 req->rq_packed_final = 1;
312 spin_unlock(&req->rq_lock);
315 msg_len = lustre_msg_size_v2(count, lens);
316 rc = sptlrpc_svc_alloc_rs(req, msg_len);
320 rs = req->rq_reply_state;
321 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
322 rs->rs_cb_id.cbid_fn = reply_out_callback;
323 rs->rs_cb_id.cbid_arg = rs;
324 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
325 INIT_LIST_HEAD(&rs->rs_exp_list);
326 INIT_LIST_HEAD(&rs->rs_obd_list);
327 INIT_LIST_HEAD(&rs->rs_list);
328 spin_lock_init(&rs->rs_lock);
330 req->rq_replen = msg_len;
331 req->rq_reply_state = rs;
332 req->rq_repmsg = rs->rs_msg;
334 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
335 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
337 PTLRPC_RS_DEBUG_LRU_ADD(rs);
341 EXPORT_SYMBOL(lustre_pack_reply_v2);
343 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
344 char **bufs, int flags)
347 __u32 size[] = { sizeof(struct ptlrpc_body) };
355 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
357 switch (req->rq_reqmsg->lm_magic) {
358 case LUSTRE_MSG_MAGIC_V2:
359 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
362 LASSERTF(0, "incorrect message magic: %08x\n",
363 req->rq_reqmsg->lm_magic);
367 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
368 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
372 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
375 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
377 EXPORT_SYMBOL(lustre_pack_reply);
379 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, u32 n, u32 min_size)
381 u32 i, offset, buflen, bufcount;
383 bufcount = m->lm_bufcount;
384 if (unlikely(n >= bufcount)) {
385 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
390 buflen = m->lm_buflens[n];
391 if (unlikely(buflen < min_size)) {
392 CERROR("msg %p buffer[%d] size %d too small (required %d, opc=%d)\n",
393 m, n, buflen, min_size,
394 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
398 offset = lustre_msg_hdr_size_v2(bufcount);
399 for (i = 0; i < n; i++)
400 offset += cfs_size_round(m->lm_buflens[i]);
402 return (char *)m + offset;
405 void *lustre_msg_buf(struct lustre_msg *m, u32 n, u32 min_size)
407 switch (m->lm_magic) {
408 case LUSTRE_MSG_MAGIC_V2:
409 return lustre_msg_buf_v2(m, n, min_size);
411 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
416 EXPORT_SYMBOL(lustre_msg_buf);
418 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, u32 segment,
419 unsigned int newlen, int move_data)
421 char *tail = NULL, *newpos;
425 LASSERT(msg->lm_bufcount > segment);
426 LASSERT(msg->lm_buflens[segment] >= newlen);
428 if (msg->lm_buflens[segment] == newlen)
431 if (move_data && msg->lm_bufcount > segment + 1) {
432 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
433 for (n = segment + 1; n < msg->lm_bufcount; n++)
434 tail_len += cfs_size_round(msg->lm_buflens[n]);
437 msg->lm_buflens[segment] = newlen;
439 if (tail && tail_len) {
440 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
441 LASSERT(newpos <= tail);
443 memmove(newpos, tail, tail_len);
446 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
450 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
451 * we also move data forward from @segment + 1.
453 * if @newlen == 0, we remove the segment completely, but we still keep the
454 * totally bufcount the same to save possible data moving. this will leave a
455 * unused segment with size 0 at the tail, but that's ok.
457 * return new msg size after shrinking.
460 * + if any buffers higher than @segment has been filled in, must call shrink
461 * with non-zero @move_data.
462 * + caller should NOT keep pointers to msg buffers which higher than @segment
465 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
466 unsigned int newlen, int move_data)
468 switch (msg->lm_magic) {
469 case LUSTRE_MSG_MAGIC_V2:
470 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
472 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
476 EXPORT_SYMBOL(lustre_shrink_msg);
478 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
480 PTLRPC_RS_DEBUG_LRU_DEL(rs);
482 LASSERT(atomic_read(&rs->rs_refcount) == 0);
483 LASSERT(!rs->rs_difficult || rs->rs_handled);
484 LASSERT(!rs->rs_on_net);
485 LASSERT(!rs->rs_scheduled);
486 LASSERT(!rs->rs_export);
487 LASSERT(rs->rs_nlocks == 0);
488 LASSERT(list_empty(&rs->rs_exp_list));
489 LASSERT(list_empty(&rs->rs_obd_list));
491 sptlrpc_svc_free_rs(rs);
494 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
496 int swabbed, required_len, i;
498 /* Now we know the sender speaks my language. */
499 required_len = lustre_msg_hdr_size_v2(0);
500 if (len < required_len) {
501 /* can't even look inside the message */
502 CERROR("message length %d too small for lustre_msg\n", len);
506 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
509 __swab32s(&m->lm_magic);
510 __swab32s(&m->lm_bufcount);
511 __swab32s(&m->lm_secflvr);
512 __swab32s(&m->lm_repsize);
513 __swab32s(&m->lm_cksum);
514 __swab32s(&m->lm_flags);
515 BUILD_BUG_ON(offsetof(typeof(*m), lm_padding_2) == 0);
516 BUILD_BUG_ON(offsetof(typeof(*m), lm_padding_3) == 0);
519 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
520 if (len < required_len) {
521 /* didn't receive all the buffer lengths */
522 CERROR("message length %d too small for %d buflens\n",
523 len, m->lm_bufcount);
527 for (i = 0; i < m->lm_bufcount; i++) {
529 __swab32s(&m->lm_buflens[i]);
530 required_len += cfs_size_round(m->lm_buflens[i]);
533 if (len < required_len) {
534 CERROR("len: %d, required_len %d\n", len, required_len);
535 CERROR("bufcount: %d\n", m->lm_bufcount);
536 for (i = 0; i < m->lm_bufcount; i++)
537 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
544 int __lustre_unpack_msg(struct lustre_msg *m, int len)
546 int required_len, rc;
548 /* We can provide a slightly better error log, if we check the
549 * message magic and version first. In the future, struct
550 * lustre_msg may grow, and we'd like to log a version mismatch,
551 * rather than a short message.
554 required_len = offsetof(struct lustre_msg, lm_magic) +
556 if (len < required_len) {
557 /* can't even look inside the message */
558 CERROR("message length %d too small for magic/version check\n",
563 rc = lustre_unpack_msg_v2(m, len);
567 EXPORT_SYMBOL(__lustre_unpack_msg);
569 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
573 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
575 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
581 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
585 rc = __lustre_unpack_msg(req->rq_repmsg, len);
587 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
593 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
594 const int inout, int offset)
596 struct ptlrpc_body *pb;
597 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
599 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
601 CERROR("error unpacking ptlrpc body\n");
604 if (ptlrpc_buf_need_swab(req, inout, offset)) {
605 lustre_swab_ptlrpc_body(pb);
606 ptlrpc_buf_set_swabbed(req, inout, offset);
609 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
610 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
615 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
620 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
622 switch (req->rq_reqmsg->lm_magic) {
623 case LUSTRE_MSG_MAGIC_V2:
624 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
626 CERROR("bad lustre msg magic: %08x\n",
627 req->rq_reqmsg->lm_magic);
632 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
634 switch (req->rq_repmsg->lm_magic) {
635 case LUSTRE_MSG_MAGIC_V2:
636 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
638 CERROR("bad lustre msg magic: %08x\n",
639 req->rq_repmsg->lm_magic);
644 static inline u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, u32 n)
646 if (n >= m->lm_bufcount)
649 return m->lm_buflens[n];
653 * lustre_msg_buflen - return the length of buffer \a n in message \a m
654 * \param m lustre_msg (request or reply) to look at
655 * \param n message index (base 0)
657 * returns zero for non-existent message indices
659 u32 lustre_msg_buflen(struct lustre_msg *m, u32 n)
661 switch (m->lm_magic) {
662 case LUSTRE_MSG_MAGIC_V2:
663 return lustre_msg_buflen_v2(m, n);
665 CERROR("incorrect message magic: %08x\n", m->lm_magic);
669 EXPORT_SYMBOL(lustre_msg_buflen);
671 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
672 * in V1 format, the result is one bigger. (add struct ptlrpc_body).
674 u32 lustre_msg_bufcount(struct lustre_msg *m)
676 switch (m->lm_magic) {
677 case LUSTRE_MSG_MAGIC_V2:
678 return m->lm_bufcount;
680 CERROR("incorrect message magic: %08x\n", m->lm_magic);
685 char *lustre_msg_string(struct lustre_msg *m, u32 index, u32 max_len)
687 /* max_len == 0 means the string should fill the buffer */
691 switch (m->lm_magic) {
692 case LUSTRE_MSG_MAGIC_V2:
693 str = lustre_msg_buf_v2(m, index, 0);
694 blen = lustre_msg_buflen_v2(m, index);
697 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
701 CERROR("can't unpack string in msg %p buffer[%d]\n", m, index);
705 slen = strnlen(str, blen);
707 if (slen == blen) { /* not NULL terminated */
708 CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n",
714 if (slen != blen - 1) {
715 CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n",
716 m, index, blen, slen);
719 } else if (slen > max_len) {
720 CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n",
721 m, index, blen, slen, max_len);
728 /* Wrap up the normal fixed length cases */
729 static inline void *__lustre_swab_buf(struct lustre_msg *msg, u32 index,
730 u32 min_size, void *swabber)
734 switch (msg->lm_magic) {
735 case LUSTRE_MSG_MAGIC_V2:
736 ptr = lustre_msg_buf_v2(msg, index, min_size);
739 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
743 ((void (*)(void *))swabber)(ptr);
748 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
750 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
751 sizeof(struct ptlrpc_body_v2));
754 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
756 switch (msg->lm_magic) {
757 case LUSTRE_MSG_MAGIC_V2:
758 /* already in host endian */
759 return msg->lm_flags;
761 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
765 EXPORT_SYMBOL(lustre_msghdr_get_flags);
767 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
769 switch (msg->lm_magic) {
770 case LUSTRE_MSG_MAGIC_V2:
771 msg->lm_flags = flags;
774 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
778 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
780 switch (msg->lm_magic) {
781 case LUSTRE_MSG_MAGIC_V2: {
782 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
787 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
791 /* flags might be printed in debug code while message
797 EXPORT_SYMBOL(lustre_msg_get_flags);
799 void lustre_msg_add_flags(struct lustre_msg *msg, u32 flags)
801 switch (msg->lm_magic) {
802 case LUSTRE_MSG_MAGIC_V2: {
803 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
805 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
806 pb->pb_flags |= flags;
810 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
813 EXPORT_SYMBOL(lustre_msg_add_flags);
815 void lustre_msg_set_flags(struct lustre_msg *msg, u32 flags)
817 switch (msg->lm_magic) {
818 case LUSTRE_MSG_MAGIC_V2: {
819 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
821 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
822 pb->pb_flags = flags;
826 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
830 void lustre_msg_clear_flags(struct lustre_msg *msg, u32 flags)
832 switch (msg->lm_magic) {
833 case LUSTRE_MSG_MAGIC_V2: {
834 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
836 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
837 pb->pb_flags &= ~(flags & MSG_GEN_FLAG_MASK);
841 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
844 EXPORT_SYMBOL(lustre_msg_clear_flags);
846 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
848 switch (msg->lm_magic) {
849 case LUSTRE_MSG_MAGIC_V2: {
850 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
853 return pb->pb_op_flags;
855 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
863 void lustre_msg_add_op_flags(struct lustre_msg *msg, u32 flags)
865 switch (msg->lm_magic) {
866 case LUSTRE_MSG_MAGIC_V2: {
867 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
869 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
870 pb->pb_op_flags |= flags;
874 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
877 EXPORT_SYMBOL(lustre_msg_add_op_flags);
879 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
881 switch (msg->lm_magic) {
882 case LUSTRE_MSG_MAGIC_V2: {
883 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
886 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
889 return &pb->pb_handle;
892 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
897 __u32 lustre_msg_get_type(struct lustre_msg *msg)
899 switch (msg->lm_magic) {
900 case LUSTRE_MSG_MAGIC_V2: {
901 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
904 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
905 return PTL_RPC_MSG_ERR;
910 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
911 return PTL_RPC_MSG_ERR;
914 EXPORT_SYMBOL(lustre_msg_get_type);
916 void lustre_msg_add_version(struct lustre_msg *msg, u32 version)
918 switch (msg->lm_magic) {
919 case LUSTRE_MSG_MAGIC_V2: {
920 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
922 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
923 pb->pb_version |= version;
927 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
931 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
933 switch (msg->lm_magic) {
934 case LUSTRE_MSG_MAGIC_V2: {
935 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
938 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
944 CERROR("incorrect message magic: %08x (msg:%p)\n",
949 EXPORT_SYMBOL(lustre_msg_get_opc);
951 __u16 lustre_msg_get_tag(struct lustre_msg *msg)
953 switch (msg->lm_magic) {
954 case LUSTRE_MSG_MAGIC_V2: {
955 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
958 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
964 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
968 EXPORT_SYMBOL(lustre_msg_get_tag);
970 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
972 switch (msg->lm_magic) {
973 case LUSTRE_MSG_MAGIC_V2: {
974 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
977 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
980 return pb->pb_last_committed;
983 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
987 EXPORT_SYMBOL(lustre_msg_get_last_committed);
989 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
991 switch (msg->lm_magic) {
992 case LUSTRE_MSG_MAGIC_V2: {
993 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
996 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
999 return pb->pb_pre_versions;
1002 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1006 EXPORT_SYMBOL(lustre_msg_get_versions);
1008 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1010 switch (msg->lm_magic) {
1011 case LUSTRE_MSG_MAGIC_V2: {
1012 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1015 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1018 return pb->pb_transno;
1021 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1025 EXPORT_SYMBOL(lustre_msg_get_transno);
1027 int lustre_msg_get_status(struct lustre_msg *msg)
1029 switch (msg->lm_magic) {
1030 case LUSTRE_MSG_MAGIC_V2: {
1031 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1034 return pb->pb_status;
1036 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1040 /* status might be printed in debug code while message
1046 EXPORT_SYMBOL(lustre_msg_get_status);
1048 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1050 switch (msg->lm_magic) {
1051 case LUSTRE_MSG_MAGIC_V2: {
1052 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1055 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1061 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1066 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1068 switch (msg->lm_magic) {
1069 case LUSTRE_MSG_MAGIC_V2: {
1070 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1073 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1080 CERROR("invalid msg magic %x\n", msg->lm_magic);
1085 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1087 switch (msg->lm_magic) {
1088 case LUSTRE_MSG_MAGIC_V2: {
1089 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1092 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1095 return pb->pb_limit;
1098 CERROR("invalid msg magic %x\n", msg->lm_magic);
1103 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1105 switch (msg->lm_magic) {
1106 case LUSTRE_MSG_MAGIC_V2: {
1107 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1110 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1113 pb->pb_limit = limit;
1117 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1122 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1124 switch (msg->lm_magic) {
1125 case LUSTRE_MSG_MAGIC_V2: {
1126 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1129 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1132 return pb->pb_conn_cnt;
1135 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1139 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1141 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1143 switch (msg->lm_magic) {
1144 case LUSTRE_MSG_MAGIC_V2:
1145 return msg->lm_magic;
1147 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1152 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1154 switch (msg->lm_magic) {
1155 case LUSTRE_MSG_MAGIC_V2: {
1156 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1159 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1162 return pb->pb_timeout;
1165 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1170 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1172 switch (msg->lm_magic) {
1173 case LUSTRE_MSG_MAGIC_V2: {
1174 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1177 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1180 return pb->pb_service_time;
1183 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1188 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1190 switch (msg->lm_magic) {
1191 case LUSTRE_MSG_MAGIC_V2:
1192 return msg->lm_cksum;
1194 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1199 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1201 switch (msg->lm_magic) {
1202 case LUSTRE_MSG_MAGIC_V2: {
1203 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1205 unsigned int hsize = 4;
1207 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1208 lustre_msg_buflen(msg,
1209 MSG_PTLRPC_BODY_OFF),
1210 NULL, 0, (unsigned char *)&crc, &hsize);
1214 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1219 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1221 switch (msg->lm_magic) {
1222 case LUSTRE_MSG_MAGIC_V2: {
1223 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1225 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1226 pb->pb_handle = *handle;
1230 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1234 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1236 switch (msg->lm_magic) {
1237 case LUSTRE_MSG_MAGIC_V2: {
1238 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1240 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1245 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1249 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1251 switch (msg->lm_magic) {
1252 case LUSTRE_MSG_MAGIC_V2: {
1253 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1255 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1260 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1264 void lustre_msg_set_last_xid(struct lustre_msg *msg, u64 last_xid)
1266 switch (msg->lm_magic) {
1267 case LUSTRE_MSG_MAGIC_V2: {
1268 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1270 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1271 pb->pb_last_xid = last_xid;
1275 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1279 void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag)
1281 switch (msg->lm_magic) {
1282 case LUSTRE_MSG_MAGIC_V2: {
1283 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1285 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1290 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1293 EXPORT_SYMBOL(lustre_msg_set_tag);
1295 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1297 switch (msg->lm_magic) {
1298 case LUSTRE_MSG_MAGIC_V2: {
1299 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1301 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1302 pb->pb_pre_versions[0] = versions[0];
1303 pb->pb_pre_versions[1] = versions[1];
1304 pb->pb_pre_versions[2] = versions[2];
1305 pb->pb_pre_versions[3] = versions[3];
1309 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1312 EXPORT_SYMBOL(lustre_msg_set_versions);
1314 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1316 switch (msg->lm_magic) {
1317 case LUSTRE_MSG_MAGIC_V2: {
1318 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1320 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1321 pb->pb_transno = transno;
1325 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1328 EXPORT_SYMBOL(lustre_msg_set_transno);
1330 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1332 switch (msg->lm_magic) {
1333 case LUSTRE_MSG_MAGIC_V2: {
1334 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1336 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1337 pb->pb_status = status;
1341 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1344 EXPORT_SYMBOL(lustre_msg_set_status);
1346 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1348 switch (msg->lm_magic) {
1349 case LUSTRE_MSG_MAGIC_V2: {
1350 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1352 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1353 pb->pb_conn_cnt = conn_cnt;
1357 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1361 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1363 switch (msg->lm_magic) {
1364 case LUSTRE_MSG_MAGIC_V2: {
1365 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1367 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1368 pb->pb_timeout = timeout;
1372 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1376 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1378 switch (msg->lm_magic) {
1379 case LUSTRE_MSG_MAGIC_V2: {
1380 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1382 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1383 pb->pb_service_time = service_time;
1387 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1391 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1393 switch (msg->lm_magic) {
1394 case LUSTRE_MSG_MAGIC_V2: {
1395 __u32 opc = lustre_msg_get_opc(msg);
1396 struct ptlrpc_body *pb;
1398 /* Don't set jobid for ldlm ast RPCs, they've been shrunk.
1399 * See the comment in ptlrpc_request_pack().
1401 if (!opc || opc == LDLM_BL_CALLBACK ||
1402 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1405 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1406 sizeof(struct ptlrpc_body));
1407 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1410 memcpy(pb->pb_jobid, jobid, LUSTRE_JOBID_SIZE);
1411 else if (pb->pb_jobid[0] == '\0')
1412 lustre_get_jobid(pb->pb_jobid);
1416 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1419 EXPORT_SYMBOL(lustre_msg_set_jobid);
1421 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1423 switch (msg->lm_magic) {
1424 case LUSTRE_MSG_MAGIC_V2:
1425 msg->lm_cksum = cksum;
1428 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1432 void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits)
1434 switch (msg->lm_magic) {
1435 case LUSTRE_MSG_MAGIC_V2: {
1436 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1438 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1439 pb->pb_mbits = mbits;
1443 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1447 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1449 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1451 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1452 req->rq_pill.rc_area[RCL_SERVER]);
1453 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1454 req->rq_reqmsg->lm_repsize = req->rq_replen;
1456 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1459 * Send a remote set_info_async.
1461 * This may go from client to server or server to client.
1463 int do_set_info_async(struct obd_import *imp,
1464 int opcode, int version,
1465 u32 keylen, void *key,
1466 u32 vallen, void *val,
1467 struct ptlrpc_request_set *set)
1469 struct ptlrpc_request *req;
1473 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1477 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1478 RCL_CLIENT, keylen);
1479 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1480 RCL_CLIENT, vallen);
1481 rc = ptlrpc_request_pack(req, version, opcode);
1483 ptlrpc_request_free(req);
1487 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1488 memcpy(tmp, key, keylen);
1489 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1490 memcpy(tmp, val, vallen);
1492 ptlrpc_request_set_replen(req);
1495 ptlrpc_set_add_req(set, req);
1496 ptlrpc_check_set(NULL, set);
1498 rc = ptlrpc_queue_wait(req);
1499 ptlrpc_req_finished(req);
1504 EXPORT_SYMBOL(do_set_info_async);
1506 /* byte flipping routines for all wire types declared in
1507 * lustre_idl.h implemented here.
1509 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1511 __swab32s(&b->pb_type);
1512 __swab32s(&b->pb_version);
1513 __swab32s(&b->pb_opc);
1514 __swab32s(&b->pb_status);
1515 __swab64s(&b->pb_last_xid);
1516 __swab16s(&b->pb_tag);
1517 __swab64s(&b->pb_last_committed);
1518 __swab64s(&b->pb_transno);
1519 __swab32s(&b->pb_flags);
1520 __swab32s(&b->pb_op_flags);
1521 __swab32s(&b->pb_conn_cnt);
1522 __swab32s(&b->pb_timeout);
1523 __swab32s(&b->pb_service_time);
1524 __swab32s(&b->pb_limit);
1525 __swab64s(&b->pb_slv);
1526 __swab64s(&b->pb_pre_versions[0]);
1527 __swab64s(&b->pb_pre_versions[1]);
1528 __swab64s(&b->pb_pre_versions[2]);
1529 __swab64s(&b->pb_pre_versions[3]);
1530 __swab64s(&b->pb_mbits);
1531 BUILD_BUG_ON(offsetof(typeof(*b), pb_padding0) == 0);
1532 BUILD_BUG_ON(offsetof(typeof(*b), pb_padding1) == 0);
1533 BUILD_BUG_ON(offsetof(typeof(*b), pb_padding64_0) == 0);
1534 BUILD_BUG_ON(offsetof(typeof(*b), pb_padding64_1) == 0);
1535 BUILD_BUG_ON(offsetof(typeof(*b), pb_padding64_2) == 0);
1536 /* While we need to maintain compatibility between
1537 * clients and servers without ptlrpc_body_v2 (< 2.3)
1538 * do not swab any fields beyond pb_jobid, as we are
1539 * using this swab function for both ptlrpc_body
1540 * and ptlrpc_body_v2.
1542 BUILD_BUG_ON(offsetof(typeof(*b), pb_jobid) == 0);
1545 void lustre_swab_connect(struct obd_connect_data *ocd)
1547 __swab64s(&ocd->ocd_connect_flags);
1548 __swab32s(&ocd->ocd_version);
1549 __swab32s(&ocd->ocd_grant);
1550 __swab64s(&ocd->ocd_ibits_known);
1551 __swab32s(&ocd->ocd_index);
1552 __swab32s(&ocd->ocd_brw_size);
1553 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1554 * they are 8-byte values
1556 __swab16s(&ocd->ocd_grant_extent);
1557 __swab32s(&ocd->ocd_unused);
1558 __swab64s(&ocd->ocd_transno);
1559 __swab32s(&ocd->ocd_group);
1560 __swab32s(&ocd->ocd_cksum_types);
1561 __swab32s(&ocd->ocd_instance);
1562 /* Fields after ocd_cksum_types are only accessible by the receiver
1563 * if the corresponding flag in ocd_connect_flags is set. Accessing
1564 * any field after ocd_maxbytes on the receiver without a valid flag
1565 * may result in out-of-bound memory access and kernel oops.
1567 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1568 __swab32s(&ocd->ocd_max_easize);
1569 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1570 __swab64s(&ocd->ocd_maxbytes);
1571 if (ocd->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS)
1572 __swab16s(&ocd->ocd_maxmodrpcs);
1573 BUILD_BUG_ON(!offsetof(typeof(*ocd), padding0));
1574 BUILD_BUG_ON(offsetof(typeof(*ocd), padding1) == 0);
1575 if (ocd->ocd_connect_flags & OBD_CONNECT_FLAGS2)
1576 __swab64s(&ocd->ocd_connect_flags2);
1577 BUILD_BUG_ON(offsetof(typeof(*ocd), padding3) == 0);
1578 BUILD_BUG_ON(offsetof(typeof(*ocd), padding4) == 0);
1579 BUILD_BUG_ON(offsetof(typeof(*ocd), padding5) == 0);
1580 BUILD_BUG_ON(offsetof(typeof(*ocd), padding6) == 0);
1581 BUILD_BUG_ON(offsetof(typeof(*ocd), padding7) == 0);
1582 BUILD_BUG_ON(offsetof(typeof(*ocd), padding8) == 0);
1583 BUILD_BUG_ON(offsetof(typeof(*ocd), padding9) == 0);
1584 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingA) == 0);
1585 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingB) == 0);
1586 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingC) == 0);
1587 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingD) == 0);
1588 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingE) == 0);
1589 BUILD_BUG_ON(offsetof(typeof(*ocd), paddingF) == 0);
1592 static void lustre_swab_obdo(struct obdo *o)
1594 __swab64s(&o->o_valid);
1595 lustre_swab_ost_id(&o->o_oi);
1596 __swab64s(&o->o_parent_seq);
1597 __swab64s(&o->o_size);
1598 __swab64s(&o->o_mtime);
1599 __swab64s(&o->o_atime);
1600 __swab64s(&o->o_ctime);
1601 __swab64s(&o->o_blocks);
1602 __swab64s(&o->o_grant);
1603 __swab32s(&o->o_blksize);
1604 __swab32s(&o->o_mode);
1605 __swab32s(&o->o_uid);
1606 __swab32s(&o->o_gid);
1607 __swab32s(&o->o_flags);
1608 __swab32s(&o->o_nlink);
1609 __swab32s(&o->o_parent_oid);
1610 __swab32s(&o->o_misc);
1611 __swab64s(&o->o_ioepoch);
1612 __swab32s(&o->o_stripe_idx);
1613 __swab32s(&o->o_parent_ver);
1614 /* o_handle is opaque */
1615 /* o_lcookie is swabbed elsewhere */
1616 __swab32s(&o->o_uid_h);
1617 __swab32s(&o->o_gid_h);
1618 __swab64s(&o->o_data_version);
1619 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_4) == 0);
1620 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_5) == 0);
1621 BUILD_BUG_ON(offsetof(typeof(*o), o_padding_6) == 0);
1624 void lustre_swab_obd_statfs(struct obd_statfs *os)
1626 __swab64s(&os->os_type);
1627 __swab64s(&os->os_blocks);
1628 __swab64s(&os->os_bfree);
1629 __swab64s(&os->os_bavail);
1630 __swab64s(&os->os_files);
1631 __swab64s(&os->os_ffree);
1632 /* no need to swab os_fsid */
1633 __swab32s(&os->os_bsize);
1634 __swab32s(&os->os_namelen);
1635 __swab64s(&os->os_maxbytes);
1636 __swab32s(&os->os_state);
1637 BUILD_BUG_ON(offsetof(typeof(*os), os_fprecreated) == 0);
1638 BUILD_BUG_ON(offsetof(typeof(*os), os_spare2) == 0);
1639 BUILD_BUG_ON(offsetof(typeof(*os), os_spare3) == 0);
1640 BUILD_BUG_ON(offsetof(typeof(*os), os_spare4) == 0);
1641 BUILD_BUG_ON(offsetof(typeof(*os), os_spare5) == 0);
1642 BUILD_BUG_ON(offsetof(typeof(*os), os_spare6) == 0);
1643 BUILD_BUG_ON(offsetof(typeof(*os), os_spare7) == 0);
1644 BUILD_BUG_ON(offsetof(typeof(*os), os_spare8) == 0);
1645 BUILD_BUG_ON(offsetof(typeof(*os), os_spare9) == 0);
1648 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1650 lustre_swab_ost_id(&ioo->ioo_oid);
1651 __swab32s(&ioo->ioo_max_brw);
1652 __swab32s(&ioo->ioo_bufcnt);
1655 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1657 __swab64s(&nbr->rnb_offset);
1658 __swab32s(&nbr->rnb_len);
1659 __swab32s(&nbr->rnb_flags);
1662 void lustre_swab_ost_body(struct ost_body *b)
1664 lustre_swab_obdo(&b->oa);
1667 void lustre_swab_ost_last_id(u64 *id)
1672 void lustre_swab_generic_32s(__u32 *val)
1677 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1679 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1680 __swab64s(&desc->lquota_desc.gl_flags);
1681 __swab64s(&desc->lquota_desc.gl_ver);
1682 __swab64s(&desc->lquota_desc.gl_hardlimit);
1683 __swab64s(&desc->lquota_desc.gl_softlimit);
1684 __swab64s(&desc->lquota_desc.gl_time);
1685 BUILD_BUG_ON(offsetof(typeof(desc->lquota_desc), gl_pad2) == 0);
1688 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1690 __swab64s(&lvb->lvb_size);
1691 __swab64s(&lvb->lvb_mtime);
1692 __swab64s(&lvb->lvb_atime);
1693 __swab64s(&lvb->lvb_ctime);
1694 __swab64s(&lvb->lvb_blocks);
1696 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1698 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1700 __swab64s(&lvb->lvb_size);
1701 __swab64s(&lvb->lvb_mtime);
1702 __swab64s(&lvb->lvb_atime);
1703 __swab64s(&lvb->lvb_ctime);
1704 __swab64s(&lvb->lvb_blocks);
1705 __swab32s(&lvb->lvb_mtime_ns);
1706 __swab32s(&lvb->lvb_atime_ns);
1707 __swab32s(&lvb->lvb_ctime_ns);
1708 __swab32s(&lvb->lvb_padding);
1710 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1712 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1714 __swab64s(&lvb->lvb_flags);
1715 __swab64s(&lvb->lvb_id_may_rel);
1716 __swab64s(&lvb->lvb_id_rel);
1717 __swab64s(&lvb->lvb_id_qunit);
1718 __swab64s(&lvb->lvb_pad1);
1720 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1722 void lustre_swab_mdt_body(struct mdt_body *b)
1724 lustre_swab_lu_fid(&b->mbo_fid1);
1725 lustre_swab_lu_fid(&b->mbo_fid2);
1726 /* handle is opaque */
1727 __swab64s(&b->mbo_valid);
1728 __swab64s(&b->mbo_size);
1729 __swab64s(&b->mbo_mtime);
1730 __swab64s(&b->mbo_atime);
1731 __swab64s(&b->mbo_ctime);
1732 __swab64s(&b->mbo_blocks);
1733 __swab64s(&b->mbo_ioepoch);
1734 __swab64s(&b->mbo_t_state);
1735 __swab32s(&b->mbo_fsuid);
1736 __swab32s(&b->mbo_fsgid);
1737 __swab32s(&b->mbo_capability);
1738 __swab32s(&b->mbo_mode);
1739 __swab32s(&b->mbo_uid);
1740 __swab32s(&b->mbo_gid);
1741 __swab32s(&b->mbo_flags);
1742 __swab32s(&b->mbo_rdev);
1743 __swab32s(&b->mbo_nlink);
1744 BUILD_BUG_ON(offsetof(typeof(*b), mbo_unused2) == 0);
1745 __swab32s(&b->mbo_suppgid);
1746 __swab32s(&b->mbo_eadatasize);
1747 __swab32s(&b->mbo_aclsize);
1748 __swab32s(&b->mbo_max_mdsize);
1749 BUILD_BUG_ON(!offsetof(typeof(*b), mbo_unused3));
1750 __swab32s(&b->mbo_uid_h);
1751 __swab32s(&b->mbo_gid_h);
1752 BUILD_BUG_ON(offsetof(typeof(*b), mbo_padding_5) == 0);
1755 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1757 /* handle is opaque */
1758 /* mio_handle is opaque */
1759 BUILD_BUG_ON(!offsetof(typeof(*b), mio_unused1));
1760 BUILD_BUG_ON(!offsetof(typeof(*b), mio_unused2));
1761 BUILD_BUG_ON(!offsetof(typeof(*b), mio_padding));
1764 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1768 __swab32s(&mti->mti_lustre_ver);
1769 __swab32s(&mti->mti_stripe_index);
1770 __swab32s(&mti->mti_config_ver);
1771 __swab32s(&mti->mti_flags);
1772 __swab32s(&mti->mti_instance);
1773 __swab32s(&mti->mti_nid_count);
1774 BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64));
1775 for (i = 0; i < MTI_NIDS_MAX; i++)
1776 __swab64s(&mti->mti_nids[i]);
1779 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1783 __swab64s(&entry->mne_version);
1784 __swab32s(&entry->mne_instance);
1785 __swab32s(&entry->mne_index);
1786 __swab32s(&entry->mne_length);
1788 /* mne_nid_(count|type) must be one byte size because we're gonna
1789 * access it w/o swapping. */
1790 BUILD_BUG_ON(sizeof(entry->mne_nid_count) != sizeof(__u8));
1791 BUILD_BUG_ON(sizeof(entry->mne_nid_type) != sizeof(__u8));
1793 /* remove this assertion if ipv6 is supported. */
1794 LASSERT(entry->mne_nid_type == 0);
1795 for (i = 0; i < entry->mne_nid_count; i++) {
1796 BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64));
1797 __swab64s(&entry->u.nids[i]);
1800 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1802 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1804 __swab64s(&body->mcb_offset);
1805 __swab32s(&body->mcb_units);
1806 __swab16s(&body->mcb_type);
1809 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1811 __swab64s(&body->mcr_offset);
1812 __swab64s(&body->mcr_size);
1815 static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i)
1817 __swab64s(&i->dqi_bgrace);
1818 __swab64s(&i->dqi_igrace);
1819 __swab32s(&i->dqi_flags);
1820 __swab32s(&i->dqi_valid);
1823 static void lustre_swab_obd_dqblk(struct obd_dqblk *b)
1825 __swab64s(&b->dqb_ihardlimit);
1826 __swab64s(&b->dqb_isoftlimit);
1827 __swab64s(&b->dqb_curinodes);
1828 __swab64s(&b->dqb_bhardlimit);
1829 __swab64s(&b->dqb_bsoftlimit);
1830 __swab64s(&b->dqb_curspace);
1831 __swab64s(&b->dqb_btime);
1832 __swab64s(&b->dqb_itime);
1833 __swab32s(&b->dqb_valid);
1834 BUILD_BUG_ON(offsetof(typeof(*b), dqb_padding) == 0);
1837 void lustre_swab_obd_quotactl(struct obd_quotactl *q)
1839 __swab32s(&q->qc_cmd);
1840 __swab32s(&q->qc_type);
1841 __swab32s(&q->qc_id);
1842 __swab32s(&q->qc_stat);
1843 lustre_swab_obd_dqinfo(&q->qc_dqinfo);
1844 lustre_swab_obd_dqblk(&q->qc_dqblk);
1847 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1849 lustre_swab_lu_fid(&gf->gf_fid);
1850 __swab64s(&gf->gf_recno);
1851 __swab32s(&gf->gf_linkno);
1852 __swab32s(&gf->gf_pathlen);
1854 EXPORT_SYMBOL(lustre_swab_fid2path);
1856 static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent)
1858 __swab64s(&fm_extent->fe_logical);
1859 __swab64s(&fm_extent->fe_physical);
1860 __swab64s(&fm_extent->fe_length);
1861 __swab32s(&fm_extent->fe_flags);
1862 __swab32s(&fm_extent->fe_device);
1865 void lustre_swab_fiemap(struct fiemap *fiemap)
1869 __swab64s(&fiemap->fm_start);
1870 __swab64s(&fiemap->fm_length);
1871 __swab32s(&fiemap->fm_flags);
1872 __swab32s(&fiemap->fm_mapped_extents);
1873 __swab32s(&fiemap->fm_extent_count);
1874 __swab32s(&fiemap->fm_reserved);
1876 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1877 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1880 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1882 __swab32s(&rr->rr_opcode);
1883 __swab32s(&rr->rr_cap);
1884 __swab32s(&rr->rr_fsuid);
1885 /* rr_fsuid_h is unused */
1886 __swab32s(&rr->rr_fsgid);
1887 /* rr_fsgid_h is unused */
1888 __swab32s(&rr->rr_suppgid1);
1889 /* rr_suppgid1_h is unused */
1890 __swab32s(&rr->rr_suppgid2);
1891 /* rr_suppgid2_h is unused */
1892 lustre_swab_lu_fid(&rr->rr_fid1);
1893 lustre_swab_lu_fid(&rr->rr_fid2);
1894 __swab64s(&rr->rr_mtime);
1895 __swab64s(&rr->rr_atime);
1896 __swab64s(&rr->rr_ctime);
1897 __swab64s(&rr->rr_size);
1898 __swab64s(&rr->rr_blocks);
1899 __swab32s(&rr->rr_bias);
1900 __swab32s(&rr->rr_mode);
1901 __swab32s(&rr->rr_flags);
1902 __swab32s(&rr->rr_flags_h);
1903 __swab32s(&rr->rr_umask);
1905 BUILD_BUG_ON(offsetof(typeof(*rr), rr_padding_4) == 0);
1908 void lustre_swab_lov_desc(struct lov_desc *ld)
1910 __swab32s(&ld->ld_tgt_count);
1911 __swab32s(&ld->ld_active_tgt_count);
1912 __swab32s(&ld->ld_default_stripe_count);
1913 __swab32s(&ld->ld_pattern);
1914 __swab64s(&ld->ld_default_stripe_size);
1915 __swab64s(&ld->ld_default_stripe_offset);
1916 __swab32s(&ld->ld_qos_maxage);
1917 /* uuid endian insensitive */
1919 EXPORT_SYMBOL(lustre_swab_lov_desc);
1921 /* This structure is always in little-endian */
1922 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
1926 __swab32s(&lmm1->lmv_magic);
1927 __swab32s(&lmm1->lmv_stripe_count);
1928 __swab32s(&lmm1->lmv_master_mdt_index);
1929 __swab32s(&lmm1->lmv_hash_type);
1930 __swab32s(&lmm1->lmv_layout_version);
1931 for (i = 0; i < lmm1->lmv_stripe_count; i++)
1932 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
1935 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
1937 switch (lmm->lmv_magic) {
1939 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
1945 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
1947 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
1949 __swab32s(&lum->lum_magic);
1950 __swab32s(&lum->lum_stripe_count);
1951 __swab32s(&lum->lum_stripe_offset);
1952 __swab32s(&lum->lum_hash_type);
1953 __swab32s(&lum->lum_type);
1954 BUILD_BUG_ON(!offsetof(typeof(*lum), lum_padding1));
1956 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
1958 static void lustre_swab_lmm_oi(struct ost_id *oi)
1960 __swab64s(&oi->oi.oi_id);
1961 __swab64s(&oi->oi.oi_seq);
1964 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
1966 __swab32s(&lum->lmm_magic);
1967 __swab32s(&lum->lmm_pattern);
1968 lustre_swab_lmm_oi(&lum->lmm_oi);
1969 __swab32s(&lum->lmm_stripe_size);
1970 __swab16s(&lum->lmm_stripe_count);
1971 __swab16s(&lum->lmm_stripe_offset);
1974 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
1976 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
1977 lustre_swab_lov_user_md_common(lum);
1979 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
1981 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
1983 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
1984 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
1985 /* lmm_pool_name nothing to do with char */
1987 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
1989 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
1991 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
1992 __swab32s(&lmm->lmm_magic);
1993 __swab32s(&lmm->lmm_pattern);
1994 lustre_swab_lmm_oi(&lmm->lmm_oi);
1995 __swab32s(&lmm->lmm_stripe_size);
1996 __swab16s(&lmm->lmm_stripe_count);
1997 __swab16s(&lmm->lmm_layout_gen);
1999 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2001 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2006 for (i = 0; i < stripe_count; i++) {
2007 lustre_swab_ost_id(&lod[i].l_ost_oi);
2008 __swab32s(&lod[i].l_ost_gen);
2009 __swab32s(&lod[i].l_ost_idx);
2012 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2014 static void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
2018 for (i = 0; i < RES_NAME_SIZE; i++)
2019 __swab64s(&id->name[i]);
2022 static void lustre_swab_ldlm_policy_data(union ldlm_wire_policy_data *d)
2024 /* the lock data is a union and the first two fields are always an
2025 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2026 * data the same way.
2028 __swab64s(&d->l_extent.start);
2029 __swab64s(&d->l_extent.end);
2030 __swab64s(&d->l_extent.gid);
2031 __swab64s(&d->l_flock.lfw_owner);
2032 __swab32s(&d->l_flock.lfw_pid);
2035 void lustre_swab_ldlm_intent(struct ldlm_intent *i)
2040 static void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2042 __swab32s(&r->lr_type);
2043 BUILD_BUG_ON(offsetof(typeof(*r), lr_padding) == 0);
2044 lustre_swab_ldlm_res_id(&r->lr_name);
2047 static void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
2049 lustre_swab_ldlm_resource_desc(&l->l_resource);
2050 __swab32s(&l->l_req_mode);
2051 __swab32s(&l->l_granted_mode);
2052 lustre_swab_ldlm_policy_data(&l->l_policy_data);
2055 void lustre_swab_ldlm_request(struct ldlm_request *rq)
2057 __swab32s(&rq->lock_flags);
2058 lustre_swab_ldlm_lock_desc(&rq->lock_desc);
2059 __swab32s(&rq->lock_count);
2060 /* lock_handle[] opaque */
2063 void lustre_swab_ldlm_reply(struct ldlm_reply *r)
2065 __swab32s(&r->lock_flags);
2066 BUILD_BUG_ON(offsetof(typeof(*r), lock_padding) == 0);
2067 lustre_swab_ldlm_lock_desc(&r->lock_desc);
2068 /* lock_handle opaque */
2069 __swab64s(&r->lock_policy_res1);
2070 __swab64s(&r->lock_policy_res2);
2073 /* Dump functions */
2074 void dump_ioo(struct obd_ioobj *ioo)
2077 "obd_ioobj: ioo_oid=" DOSTID ", ioo_max_brw=%#x, ioo_bufct=%d\n",
2078 POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2082 void dump_rniobuf(struct niobuf_remote *nb)
2084 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2085 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2088 static void dump_obdo(struct obdo *oa)
2090 __u32 valid = oa->o_valid;
2092 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2093 if (valid & OBD_MD_FLID)
2094 CDEBUG(D_RPCTRACE, "obdo: id = " DOSTID "\n", POSTID(&oa->o_oi));
2095 if (valid & OBD_MD_FLFID)
2096 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2098 if (valid & OBD_MD_FLSIZE)
2099 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2100 if (valid & OBD_MD_FLMTIME)
2101 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2102 if (valid & OBD_MD_FLATIME)
2103 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2104 if (valid & OBD_MD_FLCTIME)
2105 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2106 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2107 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2108 if (valid & OBD_MD_FLGRANT)
2109 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2110 if (valid & OBD_MD_FLBLKSZ)
2111 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2112 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2113 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2114 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2115 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2116 if (valid & OBD_MD_FLUID)
2117 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2118 if (valid & OBD_MD_FLUID)
2119 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2120 if (valid & OBD_MD_FLGID)
2121 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2122 if (valid & OBD_MD_FLGID)
2123 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2124 if (valid & OBD_MD_FLFLAGS)
2125 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2126 if (valid & OBD_MD_FLNLINK)
2127 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2128 else if (valid & OBD_MD_FLCKSUM)
2129 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2131 if (valid & OBD_MD_FLGENER)
2132 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2134 if (valid & OBD_MD_FLEPOCH)
2135 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = %lld\n",
2137 if (valid & OBD_MD_FLFID) {
2138 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2140 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2143 if (valid & OBD_MD_FLHANDLE)
2144 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2145 oa->o_handle.cookie);
2148 void dump_ost_body(struct ost_body *ob)
2153 void dump_rcs(__u32 *rc)
2155 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2158 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2160 LASSERT(req->rq_reqmsg);
2162 switch (req->rq_reqmsg->lm_magic) {
2163 case LUSTRE_MSG_MAGIC_V2:
2164 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2166 CERROR("bad lustre msg magic: %#08X\n",
2167 req->rq_reqmsg->lm_magic);
2172 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2174 LASSERT(req->rq_repmsg);
2176 switch (req->rq_repmsg->lm_magic) {
2177 case LUSTRE_MSG_MAGIC_V2:
2178 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2180 /* uninitialized yet */
2185 void _debug_req(struct ptlrpc_request *req,
2186 struct libcfs_debug_msg_data *msgdata,
2187 const char *fmt, ...)
2189 int req_ok = req->rq_reqmsg != NULL;
2190 int rep_ok = req->rq_repmsg != NULL;
2191 lnet_nid_t nid = LNET_NID_ANY;
2194 if (ptlrpc_req_need_swab(req)) {
2195 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2196 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2199 if (req->rq_import && req->rq_import->imp_connection)
2200 nid = req->rq_import->imp_connection->c_peer.nid;
2201 else if (req->rq_export && req->rq_export->exp_connection)
2202 nid = req->rq_export->exp_connection->c_peer.nid;
2204 va_start(args, fmt);
2205 libcfs_debug_vmsg2(msgdata, fmt, args,
2206 " req@%p x%llu/t%lld(%lld) o%d->%s@%s:%d/%d lens %d/%d e %d to %lld dl %lld ref %d fl " REQ_FLAGS_FMT "/%x/%x rc %d/%d\n",
2207 req, req->rq_xid, req->rq_transno,
2208 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2209 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2211 req->rq_import->imp_obd->obd_name :
2213 req->rq_export->exp_client_uuid.uuid :
2215 libcfs_nid2str(nid),
2216 req->rq_request_portal, req->rq_reply_portal,
2217 req->rq_reqlen, req->rq_replen,
2218 req->rq_early_count, (s64)req->rq_timedout,
2219 (s64)req->rq_deadline,
2220 atomic_read(&req->rq_refcount),
2221 DEBUG_REQ_FLAGS(req),
2222 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2223 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2225 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2228 EXPORT_SYMBOL(_debug_req);
2230 void lustre_swab_lustre_capa(struct lustre_capa *c)
2232 lustre_swab_lu_fid(&c->lc_fid);
2233 __swab64s(&c->lc_opc);
2234 __swab64s(&c->lc_uid);
2235 __swab64s(&c->lc_gid);
2236 __swab32s(&c->lc_flags);
2237 __swab32s(&c->lc_keyid);
2238 __swab32s(&c->lc_timeout);
2239 __swab32s(&c->lc_expiry);
2242 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2244 __swab32s(&state->hus_states);
2245 __swab32s(&state->hus_archive_id);
2248 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2250 __swab32s(&hss->hss_valid);
2251 __swab64s(&hss->hss_setmask);
2252 __swab64s(&hss->hss_clearmask);
2253 __swab32s(&hss->hss_archive_id);
2255 EXPORT_SYMBOL(lustre_swab_hsm_state_set);
2257 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2259 __swab64s(&extent->offset);
2260 __swab64s(&extent->length);
2263 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2265 __swab32s(&action->hca_state);
2266 __swab32s(&action->hca_action);
2267 lustre_swab_hsm_extent(&action->hca_location);
2270 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2272 lustre_swab_lu_fid(&hui->hui_fid);
2273 lustre_swab_hsm_extent(&hui->hui_extent);
2276 void lustre_swab_layout_intent(struct layout_intent *li)
2278 __swab32s(&li->li_opc);
2279 __swab32s(&li->li_flags);
2280 __swab64s(&li->li_start);
2281 __swab64s(&li->li_end);
2284 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2286 lustre_swab_lu_fid(&hpk->hpk_fid);
2287 __swab64s(&hpk->hpk_cookie);
2288 __swab64s(&hpk->hpk_extent.offset);
2289 __swab64s(&hpk->hpk_extent.length);
2290 __swab16s(&hpk->hpk_flags);
2291 __swab16s(&hpk->hpk_errval);
2294 void lustre_swab_hsm_request(struct hsm_request *hr)
2296 __swab32s(&hr->hr_action);
2297 __swab32s(&hr->hr_archive_id);
2298 __swab64s(&hr->hr_flags);
2299 __swab32s(&hr->hr_itemcount);
2300 __swab32s(&hr->hr_data_len);
2303 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2305 __swab64s(&msl->msl_flags);
2307 EXPORT_SYMBOL(lustre_swab_swap_layouts);
2309 void lustre_swab_close_data(struct close_data *cd)
2311 lustre_swab_lu_fid(&cd->cd_fid);
2312 __swab64s(&cd->cd_data_version);