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, 2017, 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 <libcfs/libcfs.h>
45 #include <llog_swab.h>
46 #include <lustre_net.h>
47 #include <lustre_swab.h>
48 #include <obd_cksum.h>
49 #include <obd_class.h>
50 #include <obd_support.h>
51 #include <obj_update.h>
53 #include "ptlrpc_internal.h"
55 static inline __u32 lustre_msg_hdr_size_v2(__u32 count)
57 return cfs_size_round(offsetof(struct lustre_msg_v2,
61 __u32 lustre_msg_hdr_size(__u32 magic, __u32 count)
66 case LUSTRE_MSG_MAGIC_V2:
67 return lustre_msg_hdr_size_v2(count);
69 LASSERTF(0, "incorrect message magic: %08x\n", magic);
74 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
78 lustre_set_req_swabbed(req, index);
80 lustre_set_rep_swabbed(req, index);
83 bool ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
87 return (ptlrpc_req_need_swab(req) &&
88 !lustre_req_swabbed(req, index));
90 return (ptlrpc_rep_need_swab(req) && !lustre_rep_swabbed(req, index));
93 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
94 enum lustre_msg_version version)
96 enum lustre_msg_version ver = lustre_msg_get_version(msg);
98 return (ver & LUSTRE_VERSION_MASK) != version;
101 int lustre_msg_check_version(struct lustre_msg *msg,
102 enum lustre_msg_version version)
104 #define LUSTRE_MSG_MAGIC_V1 0x0BD00BD0
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);
115 #undef LUSTRE_MSG_MAGIC_V1
118 /* early reply size */
119 __u32 lustre_msg_early_size()
121 __u32 pblen = sizeof(struct ptlrpc_body);
123 return lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
125 EXPORT_SYMBOL(lustre_msg_early_size);
127 __u32 lustre_msg_size_v2(int count, __u32 *lengths)
133 size = lustre_msg_hdr_size_v2(count);
134 for (i = 0; i < count; i++)
135 size += cfs_size_round(lengths[i]);
139 EXPORT_SYMBOL(lustre_msg_size_v2);
141 /* This returns the size of the buffer that is required to hold a lustre_msg
142 * with the given sub-buffer lengths.
143 * NOTE: this should only be used for NEW requests, and should always be
144 * in the form of a v2 request. If this is a connection to a v1
145 * target then the first buffer will be stripped because the ptlrpc
146 * data is part of the lustre_msg_v1 header. b=14043 */
147 __u32 lustre_msg_size(__u32 magic, int count, __u32 *lens)
149 __u32 size[] = { sizeof(struct ptlrpc_body) };
157 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
160 case LUSTRE_MSG_MAGIC_V2:
161 return lustre_msg_size_v2(count, lens);
163 LASSERTF(0, "incorrect message magic: %08x\n", magic);
168 /* This is used to determine the size of a buffer that was already packed
169 * and will correctly handle the different message formats. */
170 __u32 lustre_packed_msg_size(struct lustre_msg *msg)
172 switch (msg->lm_magic) {
173 case LUSTRE_MSG_MAGIC_V2:
174 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
176 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
180 EXPORT_SYMBOL(lustre_packed_msg_size);
182 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
190 msg->lm_bufcount = count;
191 /* XXX: lm_secflvr uninitialized here */
192 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
194 for (i = 0; i < count; i++)
195 msg->lm_buflens[i] = lens[i];
200 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
201 for (i = 0; i < count; i++) {
205 memcpy(ptr, tmp, lens[i]);
206 ptr += cfs_size_round(lens[i]);
209 EXPORT_SYMBOL(lustre_init_msg_v2);
211 static int lustre_pack_request_v2(struct ptlrpc_request *req,
212 int count, __u32 *lens, char **bufs)
216 reqlen = lustre_msg_size_v2(count, lens);
218 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
222 req->rq_reqlen = reqlen;
224 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
225 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
229 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
230 __u32 *lens, char **bufs)
232 __u32 size[] = { sizeof(struct ptlrpc_body) };
240 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
242 /* only use new format, we don't need to be compatible with 1.4 */
243 magic = LUSTRE_MSG_MAGIC_V2;
246 case LUSTRE_MSG_MAGIC_V2:
247 return lustre_pack_request_v2(req, count, lens, bufs);
249 LASSERTF(0, "incorrect message magic: %08x\n", magic);
255 struct list_head ptlrpc_rs_debug_lru =
256 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
257 spinlock_t ptlrpc_rs_debug_lock;
259 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
261 spin_lock(&ptlrpc_rs_debug_lock); \
262 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
263 spin_unlock(&ptlrpc_rs_debug_lock); \
266 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
268 spin_lock(&ptlrpc_rs_debug_lock); \
269 list_del(&(rs)->rs_debug_list); \
270 spin_unlock(&ptlrpc_rs_debug_lock); \
273 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
274 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
277 struct ptlrpc_reply_state *
278 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
280 struct ptlrpc_reply_state *rs = NULL;
282 spin_lock(&svcpt->scp_rep_lock);
284 /* See if we have anything in a pool, and wait if nothing */
285 while (list_empty(&svcpt->scp_rep_idle)) {
286 struct l_wait_info lwi;
289 spin_unlock(&svcpt->scp_rep_lock);
290 /* If we cannot get anything for some long time, we better
291 * bail out instead of waiting infinitely */
292 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
293 rc = l_wait_event(svcpt->scp_rep_waitq,
294 !list_empty(&svcpt->scp_rep_idle), &lwi);
297 spin_lock(&svcpt->scp_rep_lock);
300 rs = list_entry(svcpt->scp_rep_idle.next,
301 struct ptlrpc_reply_state, rs_list);
302 list_del(&rs->rs_list);
304 spin_unlock(&svcpt->scp_rep_lock);
306 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
307 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
308 rs->rs_svcpt = svcpt;
314 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
316 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
318 spin_lock(&svcpt->scp_rep_lock);
319 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
320 spin_unlock(&svcpt->scp_rep_lock);
321 wake_up(&svcpt->scp_rep_waitq);
324 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
325 __u32 *lens, char **bufs, int flags)
327 struct ptlrpc_reply_state *rs;
331 LASSERT(req->rq_reply_state == NULL);
334 if ((flags & LPRFL_EARLY_REPLY) == 0) {
335 spin_lock(&req->rq_lock);
336 req->rq_packed_final = 1;
337 spin_unlock(&req->rq_lock);
340 msg_len = lustre_msg_size_v2(count, lens);
341 rc = sptlrpc_svc_alloc_rs(req, msg_len);
345 rs = req->rq_reply_state;
346 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
347 rs->rs_cb_id.cbid_fn = reply_out_callback;
348 rs->rs_cb_id.cbid_arg = rs;
349 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
350 INIT_LIST_HEAD(&rs->rs_exp_list);
351 INIT_LIST_HEAD(&rs->rs_obd_list);
352 INIT_LIST_HEAD(&rs->rs_list);
353 spin_lock_init(&rs->rs_lock);
355 req->rq_replen = msg_len;
356 req->rq_reply_state = rs;
357 req->rq_repmsg = rs->rs_msg;
359 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
360 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
362 PTLRPC_RS_DEBUG_LRU_ADD(rs);
366 EXPORT_SYMBOL(lustre_pack_reply_v2);
368 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
369 char **bufs, int flags)
372 __u32 size[] = { sizeof(struct ptlrpc_body) };
380 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
382 switch (req->rq_reqmsg->lm_magic) {
383 case LUSTRE_MSG_MAGIC_V2:
384 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
387 LASSERTF(0, "incorrect message magic: %08x\n",
388 req->rq_reqmsg->lm_magic);
392 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
393 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
397 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
400 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
402 EXPORT_SYMBOL(lustre_pack_reply);
404 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, __u32 n, __u32 min_size)
406 __u32 i, offset, buflen, bufcount;
409 LASSERT(m->lm_bufcount > 0);
411 bufcount = m->lm_bufcount;
412 if (unlikely(n >= bufcount)) {
413 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
418 buflen = m->lm_buflens[n];
419 if (unlikely(buflen < min_size)) {
420 CERROR("msg %p buffer[%d] size %d too small "
421 "(required %d, opc=%d)\n", m, n, buflen, min_size,
422 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
426 offset = lustre_msg_hdr_size_v2(bufcount);
427 for (i = 0; i < n; i++)
428 offset += cfs_size_round(m->lm_buflens[i]);
430 return (char *)m + offset;
433 void *lustre_msg_buf(struct lustre_msg *m, __u32 n, __u32 min_size)
435 switch (m->lm_magic) {
436 case LUSTRE_MSG_MAGIC_V2:
437 return lustre_msg_buf_v2(m, n, min_size);
439 LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n",
444 EXPORT_SYMBOL(lustre_msg_buf);
446 static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, __u32 segment,
447 unsigned int newlen, int move_data)
449 char *tail = NULL, *newpos;
453 LASSERT(msg->lm_bufcount > segment);
454 LASSERT(msg->lm_buflens[segment] >= newlen);
456 if (msg->lm_buflens[segment] == newlen)
459 if (move_data && msg->lm_bufcount > segment + 1) {
460 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
461 for (n = segment + 1; n < msg->lm_bufcount; n++)
462 tail_len += cfs_size_round(msg->lm_buflens[n]);
465 msg->lm_buflens[segment] = newlen;
467 if (tail && tail_len) {
468 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
469 LASSERT(newpos <= tail);
471 memmove(newpos, tail, tail_len);
474 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
478 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
479 * we also move data forward from @segment + 1.
481 * if @newlen == 0, we remove the segment completely, but we still keep the
482 * totally bufcount the same to save possible data moving. this will leave a
483 * unused segment with size 0 at the tail, but that's ok.
485 * return new msg size after shrinking.
488 * + if any buffers higher than @segment has been filled in, must call shrink
489 * with non-zero @move_data.
490 * + caller should NOT keep pointers to msg buffers which higher than @segment
493 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
494 unsigned int newlen, int move_data)
496 switch (msg->lm_magic) {
497 case LUSTRE_MSG_MAGIC_V2:
498 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
500 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
503 EXPORT_SYMBOL(lustre_shrink_msg);
505 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
507 PTLRPC_RS_DEBUG_LRU_DEL(rs);
509 LASSERT(atomic_read(&rs->rs_refcount) == 0);
510 LASSERT(!rs->rs_difficult || rs->rs_handled);
511 LASSERT(!rs->rs_on_net);
512 LASSERT(!rs->rs_scheduled);
513 LASSERT(rs->rs_export == NULL);
514 LASSERT(rs->rs_nlocks == 0);
515 LASSERT(list_empty(&rs->rs_exp_list));
516 LASSERT(list_empty(&rs->rs_obd_list));
518 sptlrpc_svc_free_rs(rs);
521 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
523 int swabbed, required_len, i, buflen;
525 /* Now we know the sender speaks my language. */
526 required_len = lustre_msg_hdr_size_v2(0);
527 if (len < required_len) {
528 /* can't even look inside the message */
529 CERROR("message length %d too small for lustre_msg\n", len);
533 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
536 __swab32s(&m->lm_magic);
537 __swab32s(&m->lm_bufcount);
538 __swab32s(&m->lm_secflvr);
539 __swab32s(&m->lm_repsize);
540 __swab32s(&m->lm_cksum);
541 __swab32s(&m->lm_flags);
542 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
543 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
546 if (m->lm_bufcount == 0 || m->lm_bufcount > PTLRPC_MAX_BUFCOUNT) {
547 CERROR("message bufcount %d is not valid\n", m->lm_bufcount);
550 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
551 if (len < required_len) {
552 /* didn't receive all the buffer lengths */
553 CERROR("message length %d too small for %d buflens\n",
554 len, m->lm_bufcount);
558 for (i = 0; i < m->lm_bufcount; i++) {
560 __swab32s(&m->lm_buflens[i]);
561 buflen = cfs_size_round(m->lm_buflens[i]);
562 if (buflen < 0 || buflen > PTLRPC_MAX_BUFLEN) {
563 CERROR("buffer %d length %d is not valid\n", i, buflen);
566 required_len += buflen;
568 if (len < required_len || required_len > PTLRPC_MAX_BUFLEN) {
569 CERROR("len: %d, required_len %d, bufcount: %d\n",
570 len, required_len, m->lm_bufcount);
571 for (i = 0; i < m->lm_bufcount; i++)
572 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
579 int __lustre_unpack_msg(struct lustre_msg *m, int len)
581 int required_len, rc;
584 /* We can provide a slightly better error log, if we check the
585 * message magic and version first. In the future, struct
586 * lustre_msg may grow, and we'd like to log a version mismatch,
587 * rather than a short message.
590 required_len = offsetof(struct lustre_msg, lm_magic) +
592 if (len < required_len) {
593 /* can't even look inside the message */
594 CERROR("message length %d too small for magic/version check\n",
599 rc = lustre_unpack_msg_v2(m, len);
603 EXPORT_SYMBOL(__lustre_unpack_msg);
605 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
608 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
610 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
616 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
619 rc = __lustre_unpack_msg(req->rq_repmsg, len);
621 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
627 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
628 const int inout, int offset)
630 struct ptlrpc_body *pb;
631 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
633 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
635 CERROR("error unpacking ptlrpc body\n");
638 if (ptlrpc_buf_need_swab(req, inout, offset)) {
639 lustre_swab_ptlrpc_body(pb);
640 ptlrpc_buf_set_swabbed(req, inout, offset);
643 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
644 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
649 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
654 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
656 switch (req->rq_reqmsg->lm_magic) {
657 case LUSTRE_MSG_MAGIC_V2:
658 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
660 CERROR("bad lustre msg magic: %08x\n",
661 req->rq_reqmsg->lm_magic);
666 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
668 switch (req->rq_repmsg->lm_magic) {
669 case LUSTRE_MSG_MAGIC_V2:
670 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
672 CERROR("bad lustre msg magic: %08x\n",
673 req->rq_repmsg->lm_magic);
678 static inline __u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, __u32 n)
680 if (n >= m->lm_bufcount)
683 return m->lm_buflens[n];
687 * lustre_msg_buflen - return the length of buffer \a n in message \a m
688 * \param m lustre_msg (request or reply) to look at
689 * \param n message index (base 0)
691 * returns zero for non-existent message indices
693 __u32 lustre_msg_buflen(struct lustre_msg *m, __u32 n)
695 switch (m->lm_magic) {
696 case LUSTRE_MSG_MAGIC_V2:
697 return lustre_msg_buflen_v2(m, n);
699 CERROR("incorrect message magic: %08x\n", m->lm_magic);
703 EXPORT_SYMBOL(lustre_msg_buflen);
706 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len)
708 if (n >= m->lm_bufcount)
711 m->lm_buflens[n] = len;
714 void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len)
716 switch (m->lm_magic) {
717 case LUSTRE_MSG_MAGIC_V2:
718 lustre_msg_set_buflen_v2(m, n, len);
721 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
725 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
726 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
727 __u32 lustre_msg_bufcount(struct lustre_msg *m)
729 switch (m->lm_magic) {
730 case LUSTRE_MSG_MAGIC_V2:
731 return m->lm_bufcount;
733 CERROR("incorrect message magic: %08x\n", m->lm_magic);
738 char *lustre_msg_string(struct lustre_msg *m, __u32 index, __u32 max_len)
740 /* max_len == 0 means the string should fill the buffer */
744 switch (m->lm_magic) {
745 case LUSTRE_MSG_MAGIC_V2:
746 str = lustre_msg_buf_v2(m, index, 0);
747 blen = lustre_msg_buflen_v2(m, index);
750 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
754 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
758 slen = strnlen(str, blen);
760 if (slen == blen) { /* not NULL terminated */
761 CERROR("can't unpack non-NULL terminated string in "
762 "msg %p buffer[%d] len %d\n", m, index, blen);
767 if (slen != blen - 1) {
768 CERROR("can't unpack short string in msg %p "
769 "buffer[%d] len %d: strlen %d\n",
770 m, index, blen, slen);
773 } else if (slen > max_len) {
774 CERROR("can't unpack oversized string in msg %p "
775 "buffer[%d] len %d strlen %d: max %d expected\n",
776 m, index, blen, slen, max_len);
783 /* Wrap up the normal fixed length cases */
784 static inline void *__lustre_swab_buf(struct lustre_msg *msg, __u32 index,
785 __u32 min_size, void *swabber)
789 LASSERT(msg != NULL);
790 switch (msg->lm_magic) {
791 case LUSTRE_MSG_MAGIC_V2:
792 ptr = lustre_msg_buf_v2(msg, index, min_size);
795 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
798 if (ptr != NULL && swabber != NULL)
799 ((void (*)(void *))swabber)(ptr);
804 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
806 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
807 sizeof(struct ptlrpc_body_v2));
810 enum lustre_msghdr lustre_msghdr_get_flags(struct lustre_msg *msg)
812 switch (msg->lm_magic) {
813 case LUSTRE_MSG_MAGIC_V2:
814 /* already in host endian */
815 return msg->lm_flags;
817 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
821 EXPORT_SYMBOL(lustre_msghdr_get_flags);
823 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
825 switch (msg->lm_magic) {
826 case LUSTRE_MSG_MAGIC_V2:
827 msg->lm_flags = flags;
830 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
834 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
836 switch (msg->lm_magic) {
837 case LUSTRE_MSG_MAGIC_V2: {
838 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
842 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
846 /* flags might be printed in debug code while message
851 EXPORT_SYMBOL(lustre_msg_get_flags);
853 void lustre_msg_add_flags(struct lustre_msg *msg, __u32 flags)
855 switch (msg->lm_magic) {
856 case LUSTRE_MSG_MAGIC_V2: {
857 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
858 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
859 pb->pb_flags |= flags;
863 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
866 EXPORT_SYMBOL(lustre_msg_add_flags);
868 void lustre_msg_set_flags(struct lustre_msg *msg, __u32 flags)
870 switch (msg->lm_magic) {
871 case LUSTRE_MSG_MAGIC_V2: {
872 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
873 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
874 pb->pb_flags = flags;
878 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
882 void lustre_msg_clear_flags(struct lustre_msg *msg, __u32 flags)
884 switch (msg->lm_magic) {
885 case LUSTRE_MSG_MAGIC_V2: {
886 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
887 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
888 pb->pb_flags &= ~flags;
893 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
896 EXPORT_SYMBOL(lustre_msg_clear_flags);
898 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
900 switch (msg->lm_magic) {
901 case LUSTRE_MSG_MAGIC_V2: {
902 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
904 return pb->pb_op_flags;
906 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
914 void lustre_msg_add_op_flags(struct lustre_msg *msg, __u32 flags)
916 switch (msg->lm_magic) {
917 case LUSTRE_MSG_MAGIC_V2: {
918 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
919 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
920 pb->pb_op_flags |= flags;
924 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
927 EXPORT_SYMBOL(lustre_msg_add_op_flags);
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;
962 EXPORT_SYMBOL(lustre_msg_get_type);
964 enum lustre_msg_version lustre_msg_get_version(struct lustre_msg *msg)
966 switch (msg->lm_magic) {
967 case LUSTRE_MSG_MAGIC_V2: {
968 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
970 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
973 return pb->pb_version;
976 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
981 void lustre_msg_add_version(struct lustre_msg *msg, __u32 version)
983 switch (msg->lm_magic) {
984 case LUSTRE_MSG_MAGIC_V2: {
985 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
986 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
987 pb->pb_version |= version;
991 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
995 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
997 switch (msg->lm_magic) {
998 case LUSTRE_MSG_MAGIC_V2: {
999 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1001 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1007 CERROR("incorrect message magic: %08x (msg:%p)\n",
1008 msg->lm_magic, msg);
1012 EXPORT_SYMBOL(lustre_msg_get_opc);
1014 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1016 switch (msg->lm_magic) {
1017 case LUSTRE_MSG_MAGIC_V2: {
1018 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1020 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1023 return pb->pb_last_xid;
1026 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1030 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1032 __u16 lustre_msg_get_tag(struct lustre_msg *msg)
1034 switch (msg->lm_magic) {
1035 case LUSTRE_MSG_MAGIC_V2: {
1036 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1038 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1044 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1048 EXPORT_SYMBOL(lustre_msg_get_tag);
1050 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1052 switch (msg->lm_magic) {
1053 case LUSTRE_MSG_MAGIC_V2: {
1054 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1056 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1059 return pb->pb_last_committed;
1062 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1066 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1068 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1070 switch (msg->lm_magic) {
1071 case LUSTRE_MSG_MAGIC_V2: {
1072 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1074 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1077 return pb->pb_pre_versions;
1080 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1084 EXPORT_SYMBOL(lustre_msg_get_versions);
1086 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1088 switch (msg->lm_magic) {
1089 case LUSTRE_MSG_MAGIC_V2: {
1090 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1092 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1095 return pb->pb_transno;
1098 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1102 EXPORT_SYMBOL(lustre_msg_get_transno);
1104 int lustre_msg_get_status(struct lustre_msg *msg)
1106 switch (msg->lm_magic) {
1107 case LUSTRE_MSG_MAGIC_V2: {
1108 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1110 return pb->pb_status;
1111 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1115 /* status might be printed in debug code while message
1120 EXPORT_SYMBOL(lustre_msg_get_status);
1122 __u64 lustre_msg_get_slv(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);
1128 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1134 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1140 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1142 switch (msg->lm_magic) {
1143 case LUSTRE_MSG_MAGIC_V2: {
1144 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1146 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1153 CERROR("invalid msg magic %x\n", msg->lm_magic);
1158 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1160 switch (msg->lm_magic) {
1161 case LUSTRE_MSG_MAGIC_V2: {
1162 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1164 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1167 return pb->pb_limit;
1170 CERROR("invalid msg magic %x\n", msg->lm_magic);
1176 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1178 switch (msg->lm_magic) {
1179 case LUSTRE_MSG_MAGIC_V2: {
1180 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1182 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1185 pb->pb_limit = limit;
1189 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1194 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1196 switch (msg->lm_magic) {
1197 case LUSTRE_MSG_MAGIC_V2: {
1198 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1200 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1203 return pb->pb_conn_cnt;
1206 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1210 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1212 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1214 switch (msg->lm_magic) {
1215 case LUSTRE_MSG_MAGIC_V2:
1216 return msg->lm_magic;
1218 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1223 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1225 switch (msg->lm_magic) {
1226 case LUSTRE_MSG_MAGIC_V2: {
1227 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1229 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1232 return pb->pb_timeout;
1235 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1240 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1242 switch (msg->lm_magic) {
1243 case LUSTRE_MSG_MAGIC_V2: {
1244 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1246 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1249 return pb->pb_service_time;
1252 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1257 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1259 switch (msg->lm_magic) {
1260 case LUSTRE_MSG_MAGIC_V2: {
1261 struct ptlrpc_body *pb;
1263 /* the old pltrpc_body_v2 is smaller; doesn't include jobid */
1264 if (msg->lm_buflens[MSG_PTLRPC_BODY_OFF] <
1265 sizeof(struct ptlrpc_body))
1268 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1269 sizeof(struct ptlrpc_body));
1273 return pb->pb_jobid;
1276 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1280 EXPORT_SYMBOL(lustre_msg_get_jobid);
1282 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1284 switch (msg->lm_magic) {
1285 case LUSTRE_MSG_MAGIC_V2:
1286 return msg->lm_cksum;
1288 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1293 __u64 lustre_msg_get_mbits(struct lustre_msg *msg)
1295 switch (msg->lm_magic) {
1296 case LUSTRE_MSG_MAGIC_V2: {
1297 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1299 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1302 return pb->pb_mbits;
1305 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1310 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1312 switch (msg->lm_magic) {
1313 case LUSTRE_MSG_MAGIC_V2: {
1314 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1315 __u32 len = lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1317 unsigned int hsize = 4;
1320 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1321 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1322 len, NULL, 0, (unsigned char *)&crc,
1327 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1332 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1334 switch (msg->lm_magic) {
1335 case LUSTRE_MSG_MAGIC_V2: {
1336 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1337 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1338 pb->pb_handle = *handle;
1342 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1346 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1348 switch (msg->lm_magic) {
1349 case LUSTRE_MSG_MAGIC_V2: {
1350 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1351 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1356 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1360 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1362 switch (msg->lm_magic) {
1363 case LUSTRE_MSG_MAGIC_V2: {
1364 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1365 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1370 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1374 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1376 switch (msg->lm_magic) {
1377 case LUSTRE_MSG_MAGIC_V2: {
1378 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1379 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1380 pb->pb_last_xid = last_xid;
1384 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1387 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1389 void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag)
1391 switch (msg->lm_magic) {
1392 case LUSTRE_MSG_MAGIC_V2: {
1393 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1394 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1399 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1402 EXPORT_SYMBOL(lustre_msg_set_tag);
1404 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1406 switch (msg->lm_magic) {
1407 case LUSTRE_MSG_MAGIC_V2: {
1408 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1409 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1410 pb->pb_last_committed = last_committed;
1414 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1418 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1420 switch (msg->lm_magic) {
1421 case LUSTRE_MSG_MAGIC_V2: {
1422 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1423 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1424 pb->pb_pre_versions[0] = versions[0];
1425 pb->pb_pre_versions[1] = versions[1];
1426 pb->pb_pre_versions[2] = versions[2];
1427 pb->pb_pre_versions[3] = versions[3];
1431 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1434 EXPORT_SYMBOL(lustre_msg_set_versions);
1436 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1438 switch (msg->lm_magic) {
1439 case LUSTRE_MSG_MAGIC_V2: {
1440 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1441 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1442 pb->pb_transno = transno;
1446 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1449 EXPORT_SYMBOL(lustre_msg_set_transno);
1451 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1453 switch (msg->lm_magic) {
1454 case LUSTRE_MSG_MAGIC_V2: {
1455 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1456 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1457 pb->pb_status = status;
1461 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1464 EXPORT_SYMBOL(lustre_msg_set_status);
1466 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1468 switch (msg->lm_magic) {
1469 case LUSTRE_MSG_MAGIC_V2: {
1470 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1471 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1472 pb->pb_conn_cnt = conn_cnt;
1476 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1480 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1482 switch (msg->lm_magic) {
1483 case LUSTRE_MSG_MAGIC_V2: {
1484 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1485 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1486 pb->pb_timeout = timeout;
1490 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1494 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1496 switch (msg->lm_magic) {
1497 case LUSTRE_MSG_MAGIC_V2: {
1498 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1499 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1500 pb->pb_service_time = service_time;
1504 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1508 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1510 switch (msg->lm_magic) {
1511 case LUSTRE_MSG_MAGIC_V2: {
1512 __u32 opc = lustre_msg_get_opc(msg);
1513 struct ptlrpc_body *pb;
1515 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1516 * See the comment in ptlrpc_request_pack(). */
1517 if (!opc || opc == LDLM_BL_CALLBACK ||
1518 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1521 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1522 sizeof(struct ptlrpc_body));
1523 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1526 memcpy(pb->pb_jobid, jobid, sizeof(pb->pb_jobid));
1527 else if (pb->pb_jobid[0] == '\0')
1528 lustre_get_jobid(pb->pb_jobid, sizeof(pb->pb_jobid));
1532 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1535 EXPORT_SYMBOL(lustre_msg_set_jobid);
1537 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1539 switch (msg->lm_magic) {
1540 case LUSTRE_MSG_MAGIC_V2:
1541 msg->lm_cksum = cksum;
1544 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1548 void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits)
1550 switch (msg->lm_magic) {
1551 case LUSTRE_MSG_MAGIC_V2: {
1552 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1554 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1555 pb->pb_mbits = mbits;
1559 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1563 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1565 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1567 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1568 req->rq_pill.rc_area[RCL_SERVER]);
1569 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1570 req->rq_reqmsg->lm_repsize = req->rq_replen;
1572 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1574 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1576 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1577 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1578 req->rq_reqmsg->lm_repsize = req->rq_replen;
1582 * Send a remote set_info_async.
1584 * This may go from client to server or server to client.
1586 int do_set_info_async(struct obd_import *imp,
1587 int opcode, int version,
1588 size_t keylen, void *key,
1589 size_t vallen, void *val,
1590 struct ptlrpc_request_set *set)
1592 struct ptlrpc_request *req;
1597 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1601 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1602 RCL_CLIENT, keylen);
1603 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1604 RCL_CLIENT, vallen);
1605 rc = ptlrpc_request_pack(req, version, opcode);
1607 ptlrpc_request_free(req);
1611 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1612 memcpy(tmp, key, keylen);
1613 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1614 memcpy(tmp, val, vallen);
1616 ptlrpc_request_set_replen(req);
1619 ptlrpc_set_add_req(set, req);
1620 ptlrpc_check_set(NULL, set);
1622 rc = ptlrpc_queue_wait(req);
1623 ptlrpc_req_finished(req);
1628 EXPORT_SYMBOL(do_set_info_async);
1630 /* byte flipping routines for all wire types declared in
1631 * lustre_idl.h implemented here.
1633 void lustre_swab_ptlrpc_body(struct ptlrpc_body *body)
1635 __swab32s(&body->pb_type);
1636 __swab32s(&body->pb_version);
1637 __swab32s(&body->pb_opc);
1638 __swab32s(&body->pb_status);
1639 __swab64s(&body->pb_last_xid);
1640 __swab16s(&body->pb_tag);
1641 CLASSERT(offsetof(typeof(*body), pb_padding0) != 0);
1642 CLASSERT(offsetof(typeof(*body), pb_padding1) != 0);
1643 __swab64s(&body->pb_last_committed);
1644 __swab64s(&body->pb_transno);
1645 __swab32s(&body->pb_flags);
1646 __swab32s(&body->pb_op_flags);
1647 __swab32s(&body->pb_conn_cnt);
1648 __swab32s(&body->pb_timeout);
1649 __swab32s(&body->pb_service_time);
1650 __swab32s(&body->pb_limit);
1651 __swab64s(&body->pb_slv);
1652 __swab64s(&body->pb_pre_versions[0]);
1653 __swab64s(&body->pb_pre_versions[1]);
1654 __swab64s(&body->pb_pre_versions[2]);
1655 __swab64s(&body->pb_pre_versions[3]);
1656 __swab64s(&body->pb_mbits);
1657 CLASSERT(offsetof(typeof(*body), pb_padding64_0) != 0);
1658 CLASSERT(offsetof(typeof(*body), pb_padding64_1) != 0);
1659 CLASSERT(offsetof(typeof(*body), pb_padding64_2) != 0);
1660 /* While we need to maintain compatibility between
1661 * clients and servers without ptlrpc_body_v2 (< 2.3)
1662 * do not swab any fields beyond pb_jobid, as we are
1663 * using this swab function for both ptlrpc_body
1664 * and ptlrpc_body_v2. */
1665 /* pb_jobid is an ASCII string and should not be swabbed */
1666 CLASSERT(offsetof(typeof(*body), pb_jobid) != 0);
1669 void lustre_swab_connect(struct obd_connect_data *ocd)
1671 __swab64s(&ocd->ocd_connect_flags);
1672 __swab32s(&ocd->ocd_version);
1673 __swab32s(&ocd->ocd_grant);
1674 __swab64s(&ocd->ocd_ibits_known);
1675 __swab32s(&ocd->ocd_index);
1676 __swab32s(&ocd->ocd_brw_size);
1677 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1678 * they are 8-byte values */
1679 __swab16s(&ocd->ocd_grant_tax_kb);
1680 __swab32s(&ocd->ocd_grant_max_blks);
1681 __swab64s(&ocd->ocd_transno);
1682 __swab32s(&ocd->ocd_group);
1683 __swab32s(&ocd->ocd_cksum_types);
1684 __swab32s(&ocd->ocd_instance);
1685 /* Fields after ocd_cksum_types are only accessible by the receiver
1686 * if the corresponding flag in ocd_connect_flags is set. Accessing
1687 * any field after ocd_maxbytes on the receiver without a valid flag
1688 * may result in out-of-bound memory access and kernel oops. */
1689 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1690 __swab32s(&ocd->ocd_max_easize);
1691 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1692 __swab64s(&ocd->ocd_maxbytes);
1693 if (ocd->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS)
1694 __swab16s(&ocd->ocd_maxmodrpcs);
1695 CLASSERT(offsetof(typeof(*ocd), padding0) != 0);
1696 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1697 if (ocd->ocd_connect_flags & OBD_CONNECT_FLAGS2)
1698 __swab64s(&ocd->ocd_connect_flags2);
1699 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1700 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1701 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1702 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1703 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1704 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1705 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1706 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1707 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1708 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1709 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1710 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1711 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1714 static void lustre_swab_ost_layout(struct ost_layout *ol)
1716 __swab32s(&ol->ol_stripe_size);
1717 __swab32s(&ol->ol_stripe_count);
1718 __swab64s(&ol->ol_comp_start);
1719 __swab64s(&ol->ol_comp_end);
1720 __swab32s(&ol->ol_comp_id);
1723 void lustre_swab_obdo (struct obdo *o)
1725 __swab64s(&o->o_valid);
1726 lustre_swab_ost_id(&o->o_oi);
1727 __swab64s(&o->o_parent_seq);
1728 __swab64s(&o->o_size);
1729 __swab64s(&o->o_mtime);
1730 __swab64s(&o->o_atime);
1731 __swab64s(&o->o_ctime);
1732 __swab64s(&o->o_blocks);
1733 __swab64s(&o->o_grant);
1734 __swab32s(&o->o_blksize);
1735 __swab32s(&o->o_mode);
1736 __swab32s(&o->o_uid);
1737 __swab32s(&o->o_gid);
1738 __swab32s(&o->o_flags);
1739 __swab32s(&o->o_nlink);
1740 __swab32s(&o->o_parent_oid);
1741 __swab32s(&o->o_misc);
1742 __swab64s(&o->o_ioepoch);
1743 __swab32s(&o->o_stripe_idx);
1744 __swab32s(&o->o_parent_ver);
1745 lustre_swab_ost_layout(&o->o_layout);
1746 __swab32s(&o->o_layout_version);
1747 __swab32s(&o->o_uid_h);
1748 __swab32s(&o->o_gid_h);
1749 __swab64s(&o->o_data_version);
1750 __swab32s(&o->o_projid);
1751 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1752 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1753 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1756 EXPORT_SYMBOL(lustre_swab_obdo);
1758 void lustre_swab_obd_statfs (struct obd_statfs *os)
1760 __swab64s(&os->os_type);
1761 __swab64s(&os->os_blocks);
1762 __swab64s(&os->os_bfree);
1763 __swab64s(&os->os_bavail);
1764 __swab64s(&os->os_files);
1765 __swab64s(&os->os_ffree);
1766 /* no need to swab os_fsid */
1767 __swab32s(&os->os_bsize);
1768 __swab32s(&os->os_namelen);
1769 __swab64s(&os->os_maxbytes);
1770 __swab32s(&os->os_state);
1771 __swab32s(&os->os_fprecreated);
1772 __swab32s(&os->os_granted);
1773 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1774 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1775 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1776 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1777 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1778 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1779 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1782 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1784 lustre_swab_ost_id(&ioo->ioo_oid);
1785 __swab32s(&ioo->ioo_max_brw);
1786 __swab32s(&ioo->ioo_bufcnt);
1789 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1791 __swab64s(&nbr->rnb_offset);
1792 __swab32s(&nbr->rnb_len);
1793 __swab32s(&nbr->rnb_flags);
1796 void lustre_swab_ost_body (struct ost_body *b)
1798 lustre_swab_obdo (&b->oa);
1801 void lustre_swab_ost_last_id(u64 *id)
1806 void lustre_swab_generic_32s(__u32 *val)
1811 void lustre_swab_gl_lquota_desc(struct ldlm_gl_lquota_desc *desc)
1813 lustre_swab_lu_fid(&desc->gl_id.qid_fid);
1814 __swab64s(&desc->gl_flags);
1815 __swab64s(&desc->gl_ver);
1816 __swab64s(&desc->gl_hardlimit);
1817 __swab64s(&desc->gl_softlimit);
1818 __swab64s(&desc->gl_time);
1819 CLASSERT(offsetof(typeof(*desc), gl_pad2) != 0);
1821 EXPORT_SYMBOL(lustre_swab_gl_lquota_desc);
1823 void lustre_swab_gl_barrier_desc(struct ldlm_gl_barrier_desc *desc)
1825 __swab32s(&desc->lgbd_status);
1826 __swab32s(&desc->lgbd_timeout);
1827 CLASSERT(offsetof(typeof(*desc), lgbd_padding) != 0);
1829 EXPORT_SYMBOL(lustre_swab_gl_barrier_desc);
1831 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1833 __swab64s(&lvb->lvb_size);
1834 __swab64s(&lvb->lvb_mtime);
1835 __swab64s(&lvb->lvb_atime);
1836 __swab64s(&lvb->lvb_ctime);
1837 __swab64s(&lvb->lvb_blocks);
1839 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1841 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1843 __swab64s(&lvb->lvb_size);
1844 __swab64s(&lvb->lvb_mtime);
1845 __swab64s(&lvb->lvb_atime);
1846 __swab64s(&lvb->lvb_ctime);
1847 __swab64s(&lvb->lvb_blocks);
1848 __swab32s(&lvb->lvb_mtime_ns);
1849 __swab32s(&lvb->lvb_atime_ns);
1850 __swab32s(&lvb->lvb_ctime_ns);
1851 __swab32s(&lvb->lvb_padding);
1853 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1855 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1857 __swab64s(&lvb->lvb_flags);
1858 __swab64s(&lvb->lvb_id_may_rel);
1859 __swab64s(&lvb->lvb_id_rel);
1860 __swab64s(&lvb->lvb_id_qunit);
1861 __swab64s(&lvb->lvb_pad1);
1863 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1865 void lustre_swab_barrier_lvb(struct barrier_lvb *lvb)
1867 __swab32s(&lvb->lvb_status);
1868 __swab32s(&lvb->lvb_index);
1869 CLASSERT(offsetof(typeof(*lvb), lvb_padding) != 0);
1871 EXPORT_SYMBOL(lustre_swab_barrier_lvb);
1873 void lustre_swab_mdt_body (struct mdt_body *b)
1875 lustre_swab_lu_fid(&b->mbo_fid1);
1876 lustre_swab_lu_fid(&b->mbo_fid2);
1877 /* handle is opaque */
1878 __swab64s(&b->mbo_valid);
1879 __swab64s(&b->mbo_size);
1880 __swab64s(&b->mbo_mtime);
1881 __swab64s(&b->mbo_atime);
1882 __swab64s(&b->mbo_ctime);
1883 __swab64s(&b->mbo_blocks);
1884 __swab64s(&b->mbo_version);
1885 __swab64s(&b->mbo_t_state);
1886 __swab32s(&b->mbo_fsuid);
1887 __swab32s(&b->mbo_fsgid);
1888 __swab32s(&b->mbo_capability);
1889 __swab32s(&b->mbo_mode);
1890 __swab32s(&b->mbo_uid);
1891 __swab32s(&b->mbo_gid);
1892 __swab32s(&b->mbo_flags);
1893 __swab32s(&b->mbo_rdev);
1894 __swab32s(&b->mbo_nlink);
1895 __swab32s(&b->mbo_layout_gen);
1896 __swab32s(&b->mbo_suppgid);
1897 __swab32s(&b->mbo_eadatasize);
1898 __swab32s(&b->mbo_aclsize);
1899 __swab32s(&b->mbo_max_mdsize);
1900 CLASSERT(offsetof(typeof(*b), mbo_unused3) != 0);
1901 __swab32s(&b->mbo_uid_h);
1902 __swab32s(&b->mbo_gid_h);
1903 __swab32s(&b->mbo_projid);
1904 __swab64s(&b->mbo_dom_size);
1905 __swab64s(&b->mbo_dom_blocks);
1906 CLASSERT(offsetof(typeof(*b), mbo_padding_8) != 0);
1907 CLASSERT(offsetof(typeof(*b), mbo_padding_9) != 0);
1908 CLASSERT(offsetof(typeof(*b), mbo_padding_10) != 0);
1911 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1913 /* mio_open_handle is opaque */
1914 CLASSERT(offsetof(typeof(*b), mio_unused1) != 0);
1915 CLASSERT(offsetof(typeof(*b), mio_unused2) != 0);
1916 CLASSERT(offsetof(typeof(*b), mio_padding) != 0);
1919 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1923 __swab32s(&mti->mti_lustre_ver);
1924 __swab32s(&mti->mti_stripe_index);
1925 __swab32s(&mti->mti_config_ver);
1926 __swab32s(&mti->mti_flags);
1927 __swab32s(&mti->mti_instance);
1928 __swab32s(&mti->mti_nid_count);
1929 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1930 for (i = 0; i < MTI_NIDS_MAX; i++)
1931 __swab64s(&mti->mti_nids[i]);
1934 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1938 __swab64s(&entry->mne_version);
1939 __swab32s(&entry->mne_instance);
1940 __swab32s(&entry->mne_index);
1941 __swab32s(&entry->mne_length);
1943 /* mne_nid_(count|type) must be one byte size because we're gonna
1944 * access it w/o swapping. */
1945 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1946 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1948 /* remove this assertion if ipv6 is supported. */
1949 LASSERT(entry->mne_nid_type == 0);
1950 for (i = 0; i < entry->mne_nid_count; i++) {
1951 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1952 __swab64s(&entry->u.nids[i]);
1955 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1957 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1959 __swab64s(&body->mcb_offset);
1960 __swab32s(&body->mcb_units);
1961 __swab16s(&body->mcb_type);
1964 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1966 __swab64s(&body->mcr_offset);
1967 __swab64s(&body->mcr_size);
1970 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1972 __swab64s (&i->dqi_bgrace);
1973 __swab64s (&i->dqi_igrace);
1974 __swab32s (&i->dqi_flags);
1975 __swab32s (&i->dqi_valid);
1978 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1980 __swab64s (&b->dqb_ihardlimit);
1981 __swab64s (&b->dqb_isoftlimit);
1982 __swab64s (&b->dqb_curinodes);
1983 __swab64s (&b->dqb_bhardlimit);
1984 __swab64s (&b->dqb_bsoftlimit);
1985 __swab64s (&b->dqb_curspace);
1986 __swab64s (&b->dqb_btime);
1987 __swab64s (&b->dqb_itime);
1988 __swab32s (&b->dqb_valid);
1989 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1992 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1994 __swab32s (&q->qc_cmd);
1995 __swab32s (&q->qc_type);
1996 __swab32s (&q->qc_id);
1997 __swab32s (&q->qc_stat);
1998 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1999 lustre_swab_obd_dqblk (&q->qc_dqblk);
2002 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
2004 lustre_swab_lu_fid(&gf->gf_fid);
2005 __swab64s(&gf->gf_recno);
2006 __swab32s(&gf->gf_linkno);
2007 __swab32s(&gf->gf_pathlen);
2009 EXPORT_SYMBOL(lustre_swab_fid2path);
2011 static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent)
2013 __swab64s(&fm_extent->fe_logical);
2014 __swab64s(&fm_extent->fe_physical);
2015 __swab64s(&fm_extent->fe_length);
2016 __swab32s(&fm_extent->fe_flags);
2017 __swab32s(&fm_extent->fe_device);
2020 void lustre_swab_fiemap(struct fiemap *fiemap)
2024 __swab64s(&fiemap->fm_start);
2025 __swab64s(&fiemap->fm_length);
2026 __swab32s(&fiemap->fm_flags);
2027 __swab32s(&fiemap->fm_mapped_extents);
2028 __swab32s(&fiemap->fm_extent_count);
2029 __swab32s(&fiemap->fm_reserved);
2031 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2032 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2035 void lustre_swab_idx_info(struct idx_info *ii)
2037 __swab32s(&ii->ii_magic);
2038 __swab32s(&ii->ii_flags);
2039 __swab16s(&ii->ii_count);
2040 __swab32s(&ii->ii_attrs);
2041 lustre_swab_lu_fid(&ii->ii_fid);
2042 __swab64s(&ii->ii_version);
2043 __swab64s(&ii->ii_hash_start);
2044 __swab64s(&ii->ii_hash_end);
2045 __swab16s(&ii->ii_keysize);
2046 __swab16s(&ii->ii_recsize);
2049 void lustre_swab_lip_header(struct lu_idxpage *lip)
2052 __swab32s(&lip->lip_magic);
2053 __swab16s(&lip->lip_flags);
2054 __swab16s(&lip->lip_nr);
2056 EXPORT_SYMBOL(lustre_swab_lip_header);
2058 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2060 __swab32s(&rr->rr_opcode);
2061 __swab32s(&rr->rr_cap);
2062 __swab32s(&rr->rr_fsuid);
2063 /* rr_fsuid_h is unused */
2064 __swab32s(&rr->rr_fsgid);
2065 /* rr_fsgid_h is unused */
2066 __swab32s(&rr->rr_suppgid1);
2067 /* rr_suppgid1_h is unused */
2068 __swab32s(&rr->rr_suppgid2);
2069 /* rr_suppgid2_h is unused */
2070 lustre_swab_lu_fid(&rr->rr_fid1);
2071 lustre_swab_lu_fid(&rr->rr_fid2);
2072 __swab64s(&rr->rr_mtime);
2073 __swab64s(&rr->rr_atime);
2074 __swab64s(&rr->rr_ctime);
2075 __swab64s(&rr->rr_size);
2076 __swab64s(&rr->rr_blocks);
2077 __swab32s(&rr->rr_bias);
2078 __swab32s(&rr->rr_mode);
2079 __swab32s(&rr->rr_flags);
2080 __swab32s(&rr->rr_flags_h);
2081 __swab32s(&rr->rr_umask);
2082 __swab16s(&rr->rr_mirror_id);
2084 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2087 void lustre_swab_lov_desc (struct lov_desc *ld)
2089 __swab32s (&ld->ld_tgt_count);
2090 __swab32s (&ld->ld_active_tgt_count);
2091 __swab32s (&ld->ld_default_stripe_count);
2092 __swab32s (&ld->ld_pattern);
2093 __swab64s (&ld->ld_default_stripe_size);
2094 __swab64s (&ld->ld_default_stripe_offset);
2095 __swab32s (&ld->ld_qos_maxage);
2096 /* uuid endian insensitive */
2098 EXPORT_SYMBOL(lustre_swab_lov_desc);
2100 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2102 __swab32s (&ld->ld_tgt_count);
2103 __swab32s (&ld->ld_active_tgt_count);
2104 __swab32s (&ld->ld_default_stripe_count);
2105 __swab32s (&ld->ld_pattern);
2106 __swab64s (&ld->ld_default_hash_size);
2107 __swab32s (&ld->ld_qos_maxage);
2108 /* uuid endian insensitive */
2111 /* This structure is always in little-endian */
2112 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2116 __swab32s(&lmm1->lmv_magic);
2117 __swab32s(&lmm1->lmv_stripe_count);
2118 __swab32s(&lmm1->lmv_master_mdt_index);
2119 __swab32s(&lmm1->lmv_hash_type);
2120 __swab32s(&lmm1->lmv_layout_version);
2121 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2122 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2125 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2127 switch (lmm->lmv_magic) {
2129 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2135 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
2137 void lustre_swab_lmv_user_md_objects(struct lmv_user_mds_data *lmd,
2142 for (i = 0; i < stripe_count; i++)
2143 __swab32s(&(lmd[i].lum_mds));
2145 EXPORT_SYMBOL(lustre_swab_lmv_user_md_objects);
2148 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2152 if (lum->lum_magic == LMV_MAGIC_FOREIGN) {
2153 __swab32s(&lum->lum_magic);
2154 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_length);
2155 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_type);
2156 __swab32s(&((struct lmv_foreign_md *)lum)->lfm_flags);
2160 count = lum->lum_stripe_count;
2161 __swab32s(&lum->lum_magic);
2162 __swab32s(&lum->lum_stripe_count);
2163 __swab32s(&lum->lum_stripe_offset);
2164 __swab32s(&lum->lum_hash_type);
2165 __swab32s(&lum->lum_type);
2166 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2167 switch (lum->lum_magic) {
2168 case LMV_USER_MAGIC_SPECIFIC:
2169 count = lum->lum_stripe_count;
2171 case __swab32(LMV_USER_MAGIC_SPECIFIC):
2172 lustre_swab_lmv_user_md_objects(lum->lum_objects, count);
2178 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2180 static void lustre_print_v1v3(unsigned int lvl, struct lov_user_md *lum,
2183 CDEBUG(lvl, "%s lov_user_md %p:\n", msg, lum);
2184 CDEBUG(lvl, "\tlmm_magic: %#x\n", lum->lmm_magic);
2185 CDEBUG(lvl, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2186 CDEBUG(lvl, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
2187 CDEBUG(lvl, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
2188 CDEBUG(lvl, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2189 CDEBUG(lvl, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2190 CDEBUG(lvl, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2191 lum->lmm_stripe_offset);
2192 if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
2193 struct lov_user_md_v3 *v3 = (void *)lum;
2194 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2196 if (lum->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2197 struct lov_user_md_v3 *v3 = (void *)lum;
2200 if (v3->lmm_pool_name[0] != '\0')
2201 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2203 CDEBUG(lvl, "\ttarget list:\n");
2204 for (i = 0; i < v3->lmm_stripe_count; i++)
2205 CDEBUG(lvl, "\t\t%u\n", v3->lmm_objects[i].l_ost_idx);
2209 void lustre_print_user_md(unsigned int lvl, struct lov_user_md *lum,
2212 struct lov_comp_md_v1 *comp_v1;
2215 if (likely(!cfs_cdebug_show(lvl, DEBUG_SUBSYSTEM)))
2218 if (lum->lmm_magic == LOV_USER_MAGIC_V1 ||
2219 lum->lmm_magic == LOV_USER_MAGIC_V3) {
2220 lustre_print_v1v3(lvl, lum, msg);
2224 if (lum->lmm_magic != LOV_USER_MAGIC_COMP_V1) {
2225 CDEBUG(lvl, "%s: bad magic: %x\n", msg, lum->lmm_magic);
2229 comp_v1 = (struct lov_comp_md_v1 *)lum;
2230 CDEBUG(lvl, "%s: lov_comp_md_v1 %p:\n", msg, lum);
2231 CDEBUG(lvl, "\tlcm_magic: %#x\n", comp_v1->lcm_magic);
2232 CDEBUG(lvl, "\tlcm_size: %#x\n", comp_v1->lcm_size);
2233 CDEBUG(lvl, "\tlcm_layout_gen: %#x\n", comp_v1->lcm_layout_gen);
2234 CDEBUG(lvl, "\tlcm_flags: %#x\n", comp_v1->lcm_flags);
2235 CDEBUG(lvl, "\tlcm_entry_count: %#x\n\n", comp_v1->lcm_entry_count);
2236 CDEBUG(lvl, "\tlcm_mirror_count: %#x\n\n", comp_v1->lcm_mirror_count);
2238 for (i = 0; i < comp_v1->lcm_entry_count; i++) {
2239 struct lov_comp_md_entry_v1 *ent = &comp_v1->lcm_entries[i];
2240 struct lov_user_md *v1;
2242 CDEBUG(lvl, "\tentry %d:\n", i);
2243 CDEBUG(lvl, "\tlcme_id: %#x\n", ent->lcme_id);
2244 CDEBUG(lvl, "\tlcme_flags: %#x\n", ent->lcme_flags);
2245 if (ent->lcme_flags & LCME_FL_NOSYNC)
2246 CDEBUG(lvl, "\tlcme_timestamp: %llu\n",
2247 ent->lcme_timestamp);
2248 CDEBUG(lvl, "\tlcme_extent.e_start: %llu\n",
2249 ent->lcme_extent.e_start);
2250 CDEBUG(lvl, "\tlcme_extent.e_end: %llu\n",
2251 ent->lcme_extent.e_end);
2252 CDEBUG(lvl, "\tlcme_offset: %#x\n", ent->lcme_offset);
2253 CDEBUG(lvl, "\tlcme_size: %#x\n\n", ent->lcme_size);
2255 v1 = (struct lov_user_md *)((char *)comp_v1 +
2256 comp_v1->lcm_entries[i].lcme_offset);
2257 lustre_print_v1v3(lvl, v1, msg);
2260 EXPORT_SYMBOL(lustre_print_user_md);
2262 static void lustre_swab_lmm_oi(struct ost_id *oi)
2264 __swab64s(&oi->oi.oi_id);
2265 __swab64s(&oi->oi.oi_seq);
2268 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2271 __swab32s(&lum->lmm_magic);
2272 __swab32s(&lum->lmm_pattern);
2273 lustre_swab_lmm_oi(&lum->lmm_oi);
2274 __swab32s(&lum->lmm_stripe_size);
2275 __swab16s(&lum->lmm_stripe_count);
2276 __swab16s(&lum->lmm_stripe_offset);
2280 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2283 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2284 lustre_swab_lov_user_md_common(lum);
2287 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2289 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2292 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2293 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2294 /* lmm_pool_name nothing to do with char */
2297 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2299 void lustre_swab_lov_comp_md_v1(struct lov_comp_md_v1 *lum)
2301 struct lov_comp_md_entry_v1 *ent;
2302 struct lov_user_md_v1 *v1;
2303 struct lov_user_md_v3 *v3;
2307 __u16 ent_count, stripe_count;
2310 cpu_endian = lum->lcm_magic == LOV_USER_MAGIC_COMP_V1;
2311 ent_count = lum->lcm_entry_count;
2313 __swab16s(&ent_count);
2315 CDEBUG(D_IOCTL, "swabbing lov_user_comp_md v1\n");
2316 __swab32s(&lum->lcm_magic);
2317 __swab32s(&lum->lcm_size);
2318 __swab32s(&lum->lcm_layout_gen);
2319 __swab16s(&lum->lcm_flags);
2320 __swab16s(&lum->lcm_entry_count);
2321 __swab16s(&lum->lcm_mirror_count);
2322 CLASSERT(offsetof(typeof(*lum), lcm_padding1) != 0);
2323 CLASSERT(offsetof(typeof(*lum), lcm_padding2) != 0);
2325 for (i = 0; i < ent_count; i++) {
2326 ent = &lum->lcm_entries[i];
2327 off = ent->lcme_offset;
2328 size = ent->lcme_size;
2334 __swab32s(&ent->lcme_id);
2335 __swab32s(&ent->lcme_flags);
2336 __swab64s(&ent->lcme_timestamp);
2337 __swab64s(&ent->lcme_extent.e_start);
2338 __swab64s(&ent->lcme_extent.e_end);
2339 __swab32s(&ent->lcme_offset);
2340 __swab32s(&ent->lcme_size);
2341 __swab32s(&ent->lcme_layout_gen);
2342 CLASSERT(offsetof(typeof(*ent), lcme_padding_1) != 0);
2344 v1 = (struct lov_user_md_v1 *)((char *)lum + off);
2345 stripe_count = v1->lmm_stripe_count;
2347 __swab16s(&stripe_count);
2349 if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V1) ||
2350 v1->lmm_magic == LOV_USER_MAGIC_V1) {
2351 lustre_swab_lov_user_md_v1(v1);
2352 if (size > sizeof(*v1))
2353 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2355 } else if (v1->lmm_magic == __swab32(LOV_USER_MAGIC_V3) ||
2356 v1->lmm_magic == LOV_USER_MAGIC_V3 ||
2357 v1->lmm_magic == __swab32(LOV_USER_MAGIC_SPECIFIC) ||
2358 v1->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2359 v3 = (struct lov_user_md_v3 *)v1;
2360 lustre_swab_lov_user_md_v3(v3);
2361 if (size > sizeof(*v3))
2362 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2365 CERROR("Invalid magic %#x\n", v1->lmm_magic);
2369 EXPORT_SYMBOL(lustre_swab_lov_comp_md_v1);
2371 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2376 for (i = 0; i < stripe_count; i++) {
2377 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2378 __swab32s(&(lod[i].l_ost_gen));
2379 __swab32s(&(lod[i].l_ost_idx));
2383 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2385 void lustre_swab_lov_user_md(struct lov_user_md *lum, size_t size)
2387 struct lov_user_md_v1 *v1;
2388 struct lov_user_md_v3 *v3;
2389 struct lov_foreign_md *lfm;
2393 CDEBUG(D_IOCTL, "swabbing lov_user_md\n");
2394 switch (lum->lmm_magic) {
2395 case __swab32(LOV_MAGIC_V1):
2396 case LOV_USER_MAGIC_V1:
2398 v1 = (struct lov_user_md_v1 *)lum;
2399 stripe_count = v1->lmm_stripe_count;
2401 if (lum->lmm_magic != LOV_USER_MAGIC_V1)
2402 __swab16s(&stripe_count);
2404 lustre_swab_lov_user_md_v1(v1);
2405 if (size > sizeof(*v1))
2406 lustre_swab_lov_user_md_objects(v1->lmm_objects,
2411 case __swab32(LOV_MAGIC_V3):
2412 case LOV_USER_MAGIC_V3:
2414 v3 = (struct lov_user_md_v3 *)lum;
2415 stripe_count = v3->lmm_stripe_count;
2417 if (lum->lmm_magic != LOV_USER_MAGIC_V3)
2418 __swab16s(&stripe_count);
2420 lustre_swab_lov_user_md_v3(v3);
2421 if (size > sizeof(*v3))
2422 lustre_swab_lov_user_md_objects(v3->lmm_objects,
2426 case __swab32(LOV_USER_MAGIC_SPECIFIC):
2427 case LOV_USER_MAGIC_SPECIFIC:
2429 v3 = (struct lov_user_md_v3 *)lum;
2430 stripe_count = v3->lmm_stripe_count;
2432 if (lum->lmm_magic != LOV_USER_MAGIC_SPECIFIC)
2433 __swab16s(&stripe_count);
2435 lustre_swab_lov_user_md_v3(v3);
2436 lustre_swab_lov_user_md_objects(v3->lmm_objects, stripe_count);
2439 case __swab32(LOV_MAGIC_COMP_V1):
2440 case LOV_USER_MAGIC_COMP_V1:
2441 lustre_swab_lov_comp_md_v1((struct lov_comp_md_v1 *)lum);
2443 case __swab32(LOV_MAGIC_FOREIGN):
2444 case LOV_USER_MAGIC_FOREIGN:
2446 lfm = (struct lov_foreign_md *)lum;
2447 __swab32s(&lfm->lfm_magic);
2448 __swab32s(&lfm->lfm_length);
2449 __swab32s(&lfm->lfm_type);
2450 __swab32s(&lfm->lfm_flags);
2454 CDEBUG(D_IOCTL, "Invalid LOV magic %08x\n", lum->lmm_magic);
2457 EXPORT_SYMBOL(lustre_swab_lov_user_md);
2459 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2462 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2463 __swab32s(&lmm->lmm_magic);
2464 __swab32s(&lmm->lmm_pattern);
2465 lustre_swab_lmm_oi(&lmm->lmm_oi);
2466 __swab32s(&lmm->lmm_stripe_size);
2467 __swab16s(&lmm->lmm_stripe_count);
2468 __swab16s(&lmm->lmm_layout_gen);
2471 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2473 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2477 for (i = 0; i < RES_NAME_SIZE; i++)
2478 __swab64s (&id->name[i]);
2481 void lustre_swab_ldlm_policy_data(union ldlm_wire_policy_data *d)
2483 /* the lock data is a union and the first two fields are always an
2484 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2485 * data the same way. */
2486 __swab64s(&d->l_extent.start);
2487 __swab64s(&d->l_extent.end);
2488 __swab64s(&d->l_extent.gid);
2489 __swab64s(&d->l_flock.lfw_owner);
2490 __swab32s(&d->l_flock.lfw_pid);
2493 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2498 void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2500 __swab32s(&r->lr_type);
2501 CLASSERT(offsetof(typeof(*r), lr_pad) != 0);
2502 lustre_swab_ldlm_res_id(&r->lr_name);
2505 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2507 lustre_swab_ldlm_resource_desc (&l->l_resource);
2508 __swab32s (&l->l_req_mode);
2509 __swab32s (&l->l_granted_mode);
2510 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2513 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2515 __swab32s (&rq->lock_flags);
2516 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2517 __swab32s (&rq->lock_count);
2518 /* lock_handle[] opaque */
2521 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2523 __swab32s (&r->lock_flags);
2524 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2525 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2526 /* lock_handle opaque */
2527 __swab64s (&r->lock_policy_res1);
2528 __swab64s (&r->lock_policy_res2);
2531 void lustre_swab_quota_body(struct quota_body *b)
2533 lustre_swab_lu_fid(&b->qb_fid);
2534 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2535 __swab32s(&b->qb_flags);
2536 __swab64s(&b->qb_count);
2537 __swab64s(&b->qb_usage);
2538 __swab64s(&b->qb_slv_ver);
2541 /* Dump functions */
2542 void dump_ioo(struct obd_ioobj *ioo)
2545 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2546 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2550 void dump_rniobuf(struct niobuf_remote *nb)
2552 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2553 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2556 void dump_obdo(struct obdo *oa)
2558 u64 valid = oa->o_valid;
2560 CDEBUG(D_RPCTRACE, "obdo: o_valid = %#llx\n", valid);
2561 if (valid & OBD_MD_FLID)
2562 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2563 if (valid & OBD_MD_FLFID)
2564 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2566 if (valid & OBD_MD_FLSIZE)
2567 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2568 if (valid & OBD_MD_FLMTIME)
2569 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2570 if (valid & OBD_MD_FLATIME)
2571 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2572 if (valid & OBD_MD_FLCTIME)
2573 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2574 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2575 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2576 if (valid & OBD_MD_FLGRANT)
2577 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2578 if (valid & OBD_MD_FLBLKSZ)
2579 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2580 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2581 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2582 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2583 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2584 if (valid & OBD_MD_FLUID)
2585 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2586 if (valid & OBD_MD_FLUID)
2587 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2588 if (valid & OBD_MD_FLGID)
2589 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2590 if (valid & OBD_MD_FLGID)
2591 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2592 if (valid & OBD_MD_FLFLAGS)
2593 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2594 if (valid & OBD_MD_FLNLINK)
2595 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2596 else if (valid & OBD_MD_FLCKSUM)
2597 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2599 if (valid & OBD_MD_FLPARENT)
2600 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2602 if (valid & OBD_MD_FLFID) {
2603 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2605 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2608 if (valid & OBD_MD_FLHANDLE)
2609 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2610 oa->o_handle.cookie);
2613 void dump_ost_body(struct ost_body *ob)
2618 void dump_rcs(__u32 *rc)
2620 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2623 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2625 LASSERT(req->rq_reqmsg);
2627 switch (req->rq_reqmsg->lm_magic) {
2628 case LUSTRE_MSG_MAGIC_V2:
2629 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2631 CERROR("bad lustre msg magic: %#08X\n",
2632 req->rq_reqmsg->lm_magic);
2637 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2639 if (unlikely(!req->rq_repmsg))
2642 switch (req->rq_repmsg->lm_magic) {
2643 case LUSTRE_MSG_MAGIC_V2:
2644 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2646 /* uninitialized yet */
2651 void _debug_req(struct ptlrpc_request *req,
2652 struct libcfs_debug_msg_data *msgdata, const char *fmt, ...)
2654 bool req_ok = req->rq_reqmsg != NULL;
2655 bool rep_ok = false;
2656 lnet_nid_t nid = LNET_NID_ANY;
2657 struct va_format vaf;
2660 int rep_status = -1;
2662 spin_lock(&req->rq_early_free_lock);
2666 if (ptlrpc_req_need_swab(req)) {
2667 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2668 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2672 rep_flags = lustre_msg_get_flags(req->rq_repmsg);
2673 rep_status = lustre_msg_get_status(req->rq_repmsg);
2675 spin_unlock(&req->rq_early_free_lock);
2677 if (req->rq_import && req->rq_import->imp_connection)
2678 nid = req->rq_import->imp_connection->c_peer.nid;
2679 else if (req->rq_export && req->rq_export->exp_connection)
2680 nid = req->rq_export->exp_connection->c_peer.nid;
2682 va_start(args, fmt);
2685 libcfs_debug_msg(msgdata,
2686 "%pV 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 job:'%s'\n",
2688 req, req->rq_xid, req->rq_transno,
2689 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2690 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2692 req->rq_import->imp_obd->obd_name :
2694 req->rq_export->exp_client_uuid.uuid :
2696 libcfs_nid2str(nid),
2697 req->rq_request_portal, req->rq_reply_portal,
2698 req->rq_reqlen, req->rq_replen,
2699 req->rq_early_count, (s64)req->rq_timedout,
2700 (s64)req->rq_deadline,
2701 atomic_read(&req->rq_refcount),
2702 DEBUG_REQ_FLAGS(req),
2703 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2704 rep_flags, req->rq_status, rep_status,
2705 req_ok ? lustre_msg_get_jobid(req->rq_reqmsg) ?: ""
2709 EXPORT_SYMBOL(_debug_req);
2711 void lustre_swab_lustre_capa(struct lustre_capa *c)
2713 lustre_swab_lu_fid(&c->lc_fid);
2714 __swab64s (&c->lc_opc);
2715 __swab64s (&c->lc_uid);
2716 __swab64s (&c->lc_gid);
2717 __swab32s (&c->lc_flags);
2718 __swab32s (&c->lc_keyid);
2719 __swab32s (&c->lc_timeout);
2720 __swab32s (&c->lc_expiry);
2723 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2725 __swab64s (&k->lk_seq);
2726 __swab32s (&k->lk_keyid);
2727 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2730 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2732 __swab32s(&state->hus_states);
2733 __swab32s(&state->hus_archive_id);
2736 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2738 __swab32s(&hss->hss_valid);
2739 __swab64s(&hss->hss_setmask);
2740 __swab64s(&hss->hss_clearmask);
2741 __swab32s(&hss->hss_archive_id);
2744 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2746 __swab64s(&extent->offset);
2747 __swab64s(&extent->length);
2750 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2752 __swab32s(&action->hca_state);
2753 __swab32s(&action->hca_action);
2754 lustre_swab_hsm_extent(&action->hca_location);
2757 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2759 lustre_swab_lu_fid(&hui->hui_fid);
2760 lustre_swab_hsm_extent(&hui->hui_extent);
2763 void lustre_swab_lu_extent(struct lu_extent *le)
2765 __swab64s(&le->e_start);
2766 __swab64s(&le->e_end);
2769 void lustre_swab_layout_intent(struct layout_intent *li)
2771 __swab32s(&li->li_opc);
2772 __swab32s(&li->li_flags);
2773 lustre_swab_lu_extent(&li->li_extent);
2776 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2778 lustre_swab_lu_fid(&hpk->hpk_fid);
2779 __swab64s(&hpk->hpk_cookie);
2780 __swab64s(&hpk->hpk_extent.offset);
2781 __swab64s(&hpk->hpk_extent.length);
2782 __swab16s(&hpk->hpk_flags);
2783 __swab16s(&hpk->hpk_errval);
2786 void lustre_swab_hsm_request(struct hsm_request *hr)
2788 __swab32s(&hr->hr_action);
2789 __swab32s(&hr->hr_archive_id);
2790 __swab64s(&hr->hr_flags);
2791 __swab32s(&hr->hr_itemcount);
2792 __swab32s(&hr->hr_data_len);
2795 void lustre_swab_object_update(struct object_update *ou)
2797 struct object_update_param *param;
2800 __swab16s(&ou->ou_type);
2801 __swab16s(&ou->ou_params_count);
2802 __swab32s(&ou->ou_result_size);
2803 __swab32s(&ou->ou_flags);
2804 __swab32s(&ou->ou_padding1);
2805 __swab64s(&ou->ou_batchid);
2806 lustre_swab_lu_fid(&ou->ou_fid);
2807 param = &ou->ou_params[0];
2808 for (i = 0; i < ou->ou_params_count; i++) {
2809 __swab16s(¶m->oup_len);
2810 __swab16s(¶m->oup_padding);
2811 __swab32s(¶m->oup_padding2);
2812 param = (struct object_update_param *)((char *)param +
2813 object_update_param_size(param));
2817 void lustre_swab_object_update_request(struct object_update_request *our)
2820 __swab32s(&our->ourq_magic);
2821 __swab16s(&our->ourq_count);
2822 __swab16s(&our->ourq_padding);
2823 for (i = 0; i < our->ourq_count; i++) {
2824 struct object_update *ou;
2826 ou = object_update_request_get(our, i, NULL);
2829 lustre_swab_object_update(ou);
2833 void lustre_swab_object_update_result(struct object_update_result *our)
2835 __swab32s(&our->our_rc);
2836 __swab16s(&our->our_datalen);
2837 __swab16s(&our->our_padding);
2840 void lustre_swab_object_update_reply(struct object_update_reply *our)
2844 __swab32s(&our->ourp_magic);
2845 __swab16s(&our->ourp_count);
2846 __swab16s(&our->ourp_padding);
2847 for (i = 0; i < our->ourp_count; i++) {
2848 struct object_update_result *ourp;
2850 __swab16s(&our->ourp_lens[i]);
2851 ourp = object_update_result_get(our, i, NULL);
2854 lustre_swab_object_update_result(ourp);
2858 void lustre_swab_out_update_header(struct out_update_header *ouh)
2860 __swab32s(&ouh->ouh_magic);
2861 __swab32s(&ouh->ouh_count);
2862 __swab32s(&ouh->ouh_inline_length);
2863 __swab32s(&ouh->ouh_reply_size);
2865 EXPORT_SYMBOL(lustre_swab_out_update_header);
2867 void lustre_swab_out_update_buffer(struct out_update_buffer *oub)
2869 __swab32s(&oub->oub_size);
2870 __swab32s(&oub->oub_padding);
2872 EXPORT_SYMBOL(lustre_swab_out_update_buffer);
2874 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2876 __swab64s(&msl->msl_flags);
2879 void lustre_swab_close_data(struct close_data *cd)
2881 lustre_swab_lu_fid(&cd->cd_fid);
2882 __swab64s(&cd->cd_data_version);
2885 void lustre_swab_close_data_resync_done(struct close_data_resync_done *resync)
2889 __swab32s(&resync->resync_count);
2890 /* after swab, resync_count must in CPU endian */
2891 if (resync->resync_count <= INLINE_RESYNC_ARRAY_SIZE) {
2892 for (i = 0; i < resync->resync_count; i++)
2893 __swab32s(&resync->resync_ids_inline[i]);
2896 EXPORT_SYMBOL(lustre_swab_close_data_resync_done);
2898 void lustre_swab_lfsck_request(struct lfsck_request *lr)
2900 __swab32s(&lr->lr_event);
2901 __swab32s(&lr->lr_index);
2902 __swab32s(&lr->lr_flags);
2903 __swab32s(&lr->lr_valid);
2904 __swab32s(&lr->lr_speed);
2905 __swab16s(&lr->lr_version);
2906 __swab16s(&lr->lr_active);
2907 __swab16s(&lr->lr_param);
2908 __swab16s(&lr->lr_async_windows);
2909 __swab32s(&lr->lr_flags);
2910 lustre_swab_lu_fid(&lr->lr_fid);
2911 lustre_swab_lu_fid(&lr->lr_fid2);
2912 __swab32s(&lr->lr_comp_id);
2913 CLASSERT(offsetof(typeof(*lr), lr_padding_0) != 0);
2914 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2915 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2916 CLASSERT(offsetof(typeof(*lr), lr_padding_3) != 0);
2919 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
2921 __swab32s(&lr->lr_status);
2922 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2923 __swab64s(&lr->lr_repaired);
2926 static void lustre_swab_orphan_rec(struct lu_orphan_rec *rec)
2928 lustre_swab_lu_fid(&rec->lor_fid);
2929 __swab32s(&rec->lor_uid);
2930 __swab32s(&rec->lor_gid);
2933 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
2935 lustre_swab_lu_fid(&ent->loe_key);
2936 lustre_swab_orphan_rec(&ent->loe_rec);
2938 EXPORT_SYMBOL(lustre_swab_orphan_ent);
2940 void lustre_swab_orphan_ent_v2(struct lu_orphan_ent_v2 *ent)
2942 lustre_swab_lu_fid(&ent->loe_key);
2943 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
2944 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
2945 CLASSERT(offsetof(typeof(ent->loe_rec), lor_padding) != 0);
2947 EXPORT_SYMBOL(lustre_swab_orphan_ent_v2);
2949 void lustre_swab_orphan_ent_v3(struct lu_orphan_ent_v3 *ent)
2951 lustre_swab_lu_fid(&ent->loe_key);
2952 lustre_swab_orphan_rec(&ent->loe_rec.lor_rec);
2953 lustre_swab_ost_layout(&ent->loe_rec.lor_layout);
2954 __swab32s(&ent->loe_rec.lor_layout_version);
2955 __swab32s(&ent->loe_rec.lor_range);
2956 CLASSERT(offsetof(typeof(ent->loe_rec), lor_padding_1) != 0);
2957 CLASSERT(offsetof(typeof(ent->loe_rec), lor_padding_2) != 0);
2959 EXPORT_SYMBOL(lustre_swab_orphan_ent_v3);
2961 void lustre_swab_ladvise(struct lu_ladvise *ladvise)
2963 __swab16s(&ladvise->lla_advice);
2964 __swab16s(&ladvise->lla_value1);
2965 __swab32s(&ladvise->lla_value2);
2966 __swab64s(&ladvise->lla_start);
2967 __swab64s(&ladvise->lla_end);
2968 __swab32s(&ladvise->lla_value3);
2969 __swab32s(&ladvise->lla_value4);
2971 EXPORT_SYMBOL(lustre_swab_ladvise);
2973 void lustre_swab_ladvise_hdr(struct ladvise_hdr *ladvise_hdr)
2975 __swab32s(&ladvise_hdr->lah_magic);
2976 __swab32s(&ladvise_hdr->lah_count);
2977 __swab64s(&ladvise_hdr->lah_flags);
2978 __swab32s(&ladvise_hdr->lah_value1);
2979 __swab32s(&ladvise_hdr->lah_value2);
2980 __swab64s(&ladvise_hdr->lah_value3);
2982 EXPORT_SYMBOL(lustre_swab_ladvise_hdr);