4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2014, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/ptlrpc/pack_generic.c
38 * (Un)packing of OST requests
40 * Author: Peter J. Braam <braam@clusterfs.com>
41 * Author: Phil Schwan <phil@clusterfs.com>
42 * Author: Eric Barton <eeb@clusterfs.com>
45 #define DEBUG_SUBSYSTEM S_RPC
47 #include <libcfs/libcfs.h>
49 #include <obd_support.h>
50 #include <obd_class.h>
51 #include <lustre_net.h>
52 #include <obd_cksum.h>
53 #include <lustre/ll_fiemap.h>
55 #include "ptlrpc_internal.h"
57 static inline __u32 lustre_msg_hdr_size_v2(__u32 count)
59 return cfs_size_round(offsetof(struct lustre_msg_v2,
63 __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 int 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) &&
91 !lustre_rep_swabbed(req, index));
94 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
97 __u32 ver = lustre_msg_get_version(msg);
98 return (ver & LUSTRE_VERSION_MASK) != version;
101 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
103 #define LUSTRE_MSG_MAGIC_V1 0x0BD00BD0
104 switch (msg->lm_magic) {
105 case LUSTRE_MSG_MAGIC_V1:
106 CERROR("msg v1 not supported - please upgrade you system\n");
108 case LUSTRE_MSG_MAGIC_V2:
109 return lustre_msg_check_version_v2(msg, version);
111 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
114 #undef LUSTRE_MSG_MAGIC_V1
117 /* early reply size */
118 __u32 lustre_msg_early_size()
122 /* Always reply old ptlrpc_body_v2 to keep interoprability
123 * with the old client (< 2.3) which doesn't have pb_jobid
124 * in the ptlrpc_body.
126 * XXX Remove this whenever we dorp interoprability with such
129 __u32 pblen = sizeof(struct ptlrpc_body_v2);
130 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
134 EXPORT_SYMBOL(lustre_msg_early_size);
136 __u32 lustre_msg_size_v2(int count, __u32 *lengths)
141 size = lustre_msg_hdr_size_v2(count);
142 for (i = 0; i < count; i++)
143 size += cfs_size_round(lengths[i]);
147 EXPORT_SYMBOL(lustre_msg_size_v2);
149 /* This returns the size of the buffer that is required to hold a lustre_msg
150 * with the given sub-buffer lengths.
151 * NOTE: this should only be used for NEW requests, and should always be
152 * in the form of a v2 request. If this is a connection to a v1
153 * target then the first buffer will be stripped because the ptlrpc
154 * data is part of the lustre_msg_v1 header. b=14043 */
155 __u32 lustre_msg_size(__u32 magic, int count, __u32 *lens)
157 __u32 size[] = { sizeof(struct ptlrpc_body) };
165 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
168 case LUSTRE_MSG_MAGIC_V2:
169 return lustre_msg_size_v2(count, lens);
171 LASSERTF(0, "incorrect message magic: %08x\n", magic);
176 /* This is used to determine the size of a buffer that was already packed
177 * and will correctly handle the different message formats. */
178 __u32 lustre_packed_msg_size(struct lustre_msg *msg)
180 switch (msg->lm_magic) {
181 case LUSTRE_MSG_MAGIC_V2:
182 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
184 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
189 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
195 msg->lm_bufcount = count;
196 /* XXX: lm_secflvr uninitialized here */
197 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
199 for (i = 0; i < count; i++)
200 msg->lm_buflens[i] = lens[i];
205 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
206 for (i = 0; i < count; i++) {
208 LOGL(tmp, lens[i], ptr);
211 EXPORT_SYMBOL(lustre_init_msg_v2);
213 static int lustre_pack_request_v2(struct ptlrpc_request *req,
214 int count, __u32 *lens, char **bufs)
218 reqlen = lustre_msg_size_v2(count, lens);
220 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
224 req->rq_reqlen = reqlen;
226 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
227 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
231 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
232 __u32 *lens, char **bufs)
234 __u32 size[] = { sizeof(struct ptlrpc_body) };
242 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
244 /* only use new format, we don't need to be compatible with 1.4 */
245 magic = LUSTRE_MSG_MAGIC_V2;
248 case LUSTRE_MSG_MAGIC_V2:
249 return lustre_pack_request_v2(req, count, lens, bufs);
251 LASSERTF(0, "incorrect message magic: %08x\n", magic);
257 struct list_head ptlrpc_rs_debug_lru =
258 LIST_HEAD_INIT(ptlrpc_rs_debug_lru);
259 spinlock_t ptlrpc_rs_debug_lock;
261 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
263 spin_lock(&ptlrpc_rs_debug_lock); \
264 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
265 spin_unlock(&ptlrpc_rs_debug_lock); \
268 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
270 spin_lock(&ptlrpc_rs_debug_lock); \
271 list_del(&(rs)->rs_debug_list); \
272 spin_unlock(&ptlrpc_rs_debug_lock); \
275 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
276 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
279 struct ptlrpc_reply_state *
280 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
282 struct ptlrpc_reply_state *rs = NULL;
284 spin_lock(&svcpt->scp_rep_lock);
286 /* See if we have anything in a pool, and wait if nothing */
287 while (list_empty(&svcpt->scp_rep_idle)) {
288 struct l_wait_info lwi;
291 spin_unlock(&svcpt->scp_rep_lock);
292 /* If we cannot get anything for some long time, we better
293 * bail out instead of waiting infinitely */
294 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
295 rc = l_wait_event(svcpt->scp_rep_waitq,
296 !list_empty(&svcpt->scp_rep_idle), &lwi);
299 spin_lock(&svcpt->scp_rep_lock);
302 rs = list_entry(svcpt->scp_rep_idle.next,
303 struct ptlrpc_reply_state, rs_list);
304 list_del(&rs->rs_list);
306 spin_unlock(&svcpt->scp_rep_lock);
308 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
309 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
310 rs->rs_svcpt = svcpt;
316 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
318 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
320 spin_lock(&svcpt->scp_rep_lock);
321 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
322 spin_unlock(&svcpt->scp_rep_lock);
323 wake_up(&svcpt->scp_rep_waitq);
326 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
327 __u32 *lens, char **bufs, int flags)
329 struct ptlrpc_reply_state *rs;
333 LASSERT(req->rq_reply_state == NULL);
335 if ((flags & LPRFL_EARLY_REPLY) == 0) {
336 spin_lock(&req->rq_lock);
337 req->rq_packed_final = 1;
338 spin_unlock(&req->rq_lock);
341 msg_len = lustre_msg_size_v2(count, lens);
342 rc = sptlrpc_svc_alloc_rs(req, msg_len);
346 rs = req->rq_reply_state;
347 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
348 rs->rs_cb_id.cbid_fn = reply_out_callback;
349 rs->rs_cb_id.cbid_arg = rs;
350 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
351 INIT_LIST_HEAD(&rs->rs_exp_list);
352 INIT_LIST_HEAD(&rs->rs_obd_list);
353 INIT_LIST_HEAD(&rs->rs_list);
354 spin_lock_init(&rs->rs_lock);
356 req->rq_replen = msg_len;
357 req->rq_reply_state = rs;
358 req->rq_repmsg = rs->rs_msg;
360 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
361 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
363 PTLRPC_RS_DEBUG_LRU_ADD(rs);
367 EXPORT_SYMBOL(lustre_pack_reply_v2);
369 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
370 char **bufs, int flags)
373 __u32 size[] = { sizeof(struct ptlrpc_body) };
381 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
383 switch (req->rq_reqmsg->lm_magic) {
384 case LUSTRE_MSG_MAGIC_V2:
385 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
388 LASSERTF(0, "incorrect message magic: %08x\n",
389 req->rq_reqmsg->lm_magic);
393 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
394 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
398 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
401 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
403 EXPORT_SYMBOL(lustre_pack_reply);
405 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, __u32 n, __u32 min_size)
407 __u32 i, offset, buflen, bufcount;
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;
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 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
547 if (len < required_len) {
548 /* didn't receive all the buffer lengths */
549 CERROR ("message length %d too small for %d buflens\n",
550 len, m->lm_bufcount);
554 for (i = 0; i < m->lm_bufcount; i++) {
556 __swab32s(&m->lm_buflens[i]);
557 required_len += cfs_size_round(m->lm_buflens[i]);
560 if (len < required_len) {
561 CERROR("len: %d, required_len %d\n", len, required_len);
562 CERROR("bufcount: %d\n", m->lm_bufcount);
563 for (i = 0; i < m->lm_bufcount; i++)
564 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
571 int __lustre_unpack_msg(struct lustre_msg *m, int len)
573 int required_len, rc;
576 /* We can provide a slightly better error log, if we check the
577 * message magic and version first. In the future, struct
578 * lustre_msg may grow, and we'd like to log a version mismatch,
579 * rather than a short message.
582 required_len = offsetof(struct lustre_msg, lm_magic) +
584 if (len < required_len) {
585 /* can't even look inside the message */
586 CERROR("message length %d too small for magic/version check\n",
591 rc = lustre_unpack_msg_v2(m, len);
595 EXPORT_SYMBOL(__lustre_unpack_msg);
597 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
600 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
602 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
608 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
611 rc = __lustre_unpack_msg(req->rq_repmsg, len);
613 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
619 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
620 const int inout, int offset)
622 struct ptlrpc_body *pb;
623 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
625 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
627 CERROR("error unpacking ptlrpc body\n");
630 if (ptlrpc_buf_need_swab(req, inout, offset)) {
631 lustre_swab_ptlrpc_body(pb);
632 ptlrpc_buf_set_swabbed(req, inout, offset);
635 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
636 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
641 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
646 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
648 switch (req->rq_reqmsg->lm_magic) {
649 case LUSTRE_MSG_MAGIC_V2:
650 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
652 CERROR("bad lustre msg magic: %08x\n",
653 req->rq_reqmsg->lm_magic);
658 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
660 switch (req->rq_repmsg->lm_magic) {
661 case LUSTRE_MSG_MAGIC_V2:
662 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
664 CERROR("bad lustre msg magic: %08x\n",
665 req->rq_repmsg->lm_magic);
670 static inline __u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, __u32 n)
672 if (n >= m->lm_bufcount)
675 return m->lm_buflens[n];
679 * lustre_msg_buflen - return the length of buffer \a n in message \a m
680 * \param m lustre_msg (request or reply) to look at
681 * \param n message index (base 0)
683 * returns zero for non-existent message indices
685 __u32 lustre_msg_buflen(struct lustre_msg *m, __u32 n)
687 switch (m->lm_magic) {
688 case LUSTRE_MSG_MAGIC_V2:
689 return lustre_msg_buflen_v2(m, n);
691 CERROR("incorrect message magic: %08x\n", m->lm_magic);
695 EXPORT_SYMBOL(lustre_msg_buflen);
698 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len)
700 if (n >= m->lm_bufcount)
703 m->lm_buflens[n] = len;
706 void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len)
708 switch (m->lm_magic) {
709 case LUSTRE_MSG_MAGIC_V2:
710 lustre_msg_set_buflen_v2(m, n, len);
713 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
717 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
718 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
719 __u32 lustre_msg_bufcount(struct lustre_msg *m)
721 switch (m->lm_magic) {
722 case LUSTRE_MSG_MAGIC_V2:
723 return m->lm_bufcount;
725 CERROR("incorrect message magic: %08x\n", m->lm_magic);
730 char *lustre_msg_string(struct lustre_msg *m, __u32 index, __u32 max_len)
732 /* max_len == 0 means the string should fill the buffer */
736 switch (m->lm_magic) {
737 case LUSTRE_MSG_MAGIC_V2:
738 str = lustre_msg_buf_v2(m, index, 0);
739 blen = lustre_msg_buflen_v2(m, index);
742 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
746 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
750 slen = strnlen(str, blen);
752 if (slen == blen) { /* not NULL terminated */
753 CERROR("can't unpack non-NULL terminated string in "
754 "msg %p buffer[%d] len %d\n", m, index, blen);
759 if (slen != blen - 1) {
760 CERROR("can't unpack short string in msg %p "
761 "buffer[%d] len %d: strlen %d\n",
762 m, index, blen, slen);
765 } else if (slen > max_len) {
766 CERROR("can't unpack oversized string in msg %p "
767 "buffer[%d] len %d strlen %d: max %d expected\n",
768 m, index, blen, slen, max_len);
775 /* Wrap up the normal fixed length cases */
776 static inline void *__lustre_swab_buf(struct lustre_msg *msg, __u32 index,
777 __u32 min_size, void *swabber)
781 LASSERT(msg != NULL);
782 switch (msg->lm_magic) {
783 case LUSTRE_MSG_MAGIC_V2:
784 ptr = lustre_msg_buf_v2(msg, index, min_size);
787 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
790 if (ptr != NULL && swabber != NULL)
791 ((void (*)(void *))swabber)(ptr);
796 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
798 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
799 sizeof(struct ptlrpc_body_v2));
802 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
804 switch (msg->lm_magic) {
805 case LUSTRE_MSG_MAGIC_V2:
806 /* already in host endian */
807 return msg->lm_flags;
809 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
813 EXPORT_SYMBOL(lustre_msghdr_get_flags);
815 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
817 switch (msg->lm_magic) {
818 case LUSTRE_MSG_MAGIC_V2:
819 msg->lm_flags = flags;
822 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
826 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
828 switch (msg->lm_magic) {
829 case LUSTRE_MSG_MAGIC_V2: {
830 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
834 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
838 /* flags might be printed in debug code while message
843 EXPORT_SYMBOL(lustre_msg_get_flags);
845 void lustre_msg_add_flags(struct lustre_msg *msg, __u32 flags)
847 switch (msg->lm_magic) {
848 case LUSTRE_MSG_MAGIC_V2: {
849 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
850 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
851 pb->pb_flags |= flags;
855 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
858 EXPORT_SYMBOL(lustre_msg_add_flags);
860 void lustre_msg_set_flags(struct lustre_msg *msg, __u32 flags)
862 switch (msg->lm_magic) {
863 case LUSTRE_MSG_MAGIC_V2: {
864 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
865 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
866 pb->pb_flags = flags;
870 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
874 void lustre_msg_clear_flags(struct lustre_msg *msg, __u32 flags)
876 switch (msg->lm_magic) {
877 case LUSTRE_MSG_MAGIC_V2: {
878 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
879 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
880 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
884 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
887 EXPORT_SYMBOL(lustre_msg_clear_flags);
889 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
891 switch (msg->lm_magic) {
892 case LUSTRE_MSG_MAGIC_V2: {
893 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
895 return pb->pb_op_flags;
897 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
905 void lustre_msg_add_op_flags(struct lustre_msg *msg, __u32 flags)
907 switch (msg->lm_magic) {
908 case LUSTRE_MSG_MAGIC_V2: {
909 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
910 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
911 pb->pb_op_flags |= flags;
915 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
918 EXPORT_SYMBOL(lustre_msg_add_op_flags);
920 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
922 switch (msg->lm_magic) {
923 case LUSTRE_MSG_MAGIC_V2: {
924 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
926 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
929 return &pb->pb_handle;
932 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
937 __u32 lustre_msg_get_type(struct lustre_msg *msg)
939 switch (msg->lm_magic) {
940 case LUSTRE_MSG_MAGIC_V2: {
941 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
943 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
944 return PTL_RPC_MSG_ERR;
949 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
950 return PTL_RPC_MSG_ERR;
953 EXPORT_SYMBOL(lustre_msg_get_type);
955 __u32 lustre_msg_get_version(struct lustre_msg *msg)
957 switch (msg->lm_magic) {
958 case LUSTRE_MSG_MAGIC_V2: {
959 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
961 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
964 return pb->pb_version;
967 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
972 void lustre_msg_add_version(struct lustre_msg *msg, __u32 version)
974 switch (msg->lm_magic) {
975 case LUSTRE_MSG_MAGIC_V2: {
976 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
977 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
978 pb->pb_version |= version;
982 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
986 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
988 switch (msg->lm_magic) {
989 case LUSTRE_MSG_MAGIC_V2: {
990 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
992 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
998 CERROR("incorrect message magic: %08x (msg:%p)\n",
1003 EXPORT_SYMBOL(lustre_msg_get_opc);
1005 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1007 switch (msg->lm_magic) {
1008 case LUSTRE_MSG_MAGIC_V2: {
1009 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1011 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1014 return pb->pb_last_xid;
1017 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1021 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1023 __u16 lustre_msg_get_tag(struct lustre_msg *msg)
1025 switch (msg->lm_magic) {
1026 case LUSTRE_MSG_MAGIC_V2: {
1027 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1029 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1035 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1039 EXPORT_SYMBOL(lustre_msg_get_tag);
1041 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1043 switch (msg->lm_magic) {
1044 case LUSTRE_MSG_MAGIC_V2: {
1045 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1047 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1050 return pb->pb_last_committed;
1053 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1057 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1059 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1061 switch (msg->lm_magic) {
1062 case LUSTRE_MSG_MAGIC_V2: {
1063 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1065 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1068 return pb->pb_pre_versions;
1071 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1075 EXPORT_SYMBOL(lustre_msg_get_versions);
1077 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1079 switch (msg->lm_magic) {
1080 case LUSTRE_MSG_MAGIC_V2: {
1081 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1083 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1086 return pb->pb_transno;
1089 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1093 EXPORT_SYMBOL(lustre_msg_get_transno);
1095 int lustre_msg_get_status(struct lustre_msg *msg)
1097 switch (msg->lm_magic) {
1098 case LUSTRE_MSG_MAGIC_V2: {
1099 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1101 return pb->pb_status;
1102 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1106 /* status might be printed in debug code while message
1111 EXPORT_SYMBOL(lustre_msg_get_status);
1113 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1115 switch (msg->lm_magic) {
1116 case LUSTRE_MSG_MAGIC_V2: {
1117 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1119 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1125 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1131 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1133 switch (msg->lm_magic) {
1134 case LUSTRE_MSG_MAGIC_V2: {
1135 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1137 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1144 CERROR("invalid msg magic %x\n", msg->lm_magic);
1149 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1151 switch (msg->lm_magic) {
1152 case LUSTRE_MSG_MAGIC_V2: {
1153 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1155 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1158 return pb->pb_limit;
1161 CERROR("invalid msg magic %x\n", msg->lm_magic);
1167 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1169 switch (msg->lm_magic) {
1170 case LUSTRE_MSG_MAGIC_V2: {
1171 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1173 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1176 pb->pb_limit = limit;
1180 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1185 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1187 switch (msg->lm_magic) {
1188 case LUSTRE_MSG_MAGIC_V2: {
1189 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1191 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1194 return pb->pb_conn_cnt;
1197 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1201 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1203 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1205 switch (msg->lm_magic) {
1206 case LUSTRE_MSG_MAGIC_V2:
1207 return msg->lm_magic;
1209 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1214 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1216 switch (msg->lm_magic) {
1217 case LUSTRE_MSG_MAGIC_V2: {
1218 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1220 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1223 return pb->pb_timeout;
1226 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1231 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1233 switch (msg->lm_magic) {
1234 case LUSTRE_MSG_MAGIC_V2: {
1235 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1237 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1240 return pb->pb_service_time;
1243 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1248 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1250 switch (msg->lm_magic) {
1251 case LUSTRE_MSG_MAGIC_V2: {
1252 struct ptlrpc_body *pb =
1253 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1254 sizeof(struct ptlrpc_body));
1258 return pb->pb_jobid;
1261 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1265 EXPORT_SYMBOL(lustre_msg_get_jobid);
1267 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1269 switch (msg->lm_magic) {
1270 case LUSTRE_MSG_MAGIC_V2:
1271 return msg->lm_cksum;
1273 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1278 __u64 lustre_msg_get_mbits(struct lustre_msg *msg)
1280 switch (msg->lm_magic) {
1281 case LUSTRE_MSG_MAGIC_V2: {
1282 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1284 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1287 return pb->pb_mbits;
1290 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1295 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0)
1297 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1298 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1299 * more sense to compute the checksum on the full ptlrpc_body, regardless
1300 * of what size it is, but in order to keep interoperability with 1.8 we
1301 * can optionally also checksum only the first 88 bytes (caller decides). */
1302 # define ptlrpc_body_cksum_size_compat18 88
1304 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1306 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1309 switch (msg->lm_magic) {
1310 case LUSTRE_MSG_MAGIC_V2: {
1311 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1312 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0)
1313 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1314 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1316 __u32 len = lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1318 unsigned int hsize = 4;
1321 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1322 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1323 len, NULL, 0, (unsigned char *)&crc,
1328 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1333 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1335 switch (msg->lm_magic) {
1336 case LUSTRE_MSG_MAGIC_V2: {
1337 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1338 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1339 pb->pb_handle = *handle;
1343 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1347 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1349 switch (msg->lm_magic) {
1350 case LUSTRE_MSG_MAGIC_V2: {
1351 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1352 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1357 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1361 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1363 switch (msg->lm_magic) {
1364 case LUSTRE_MSG_MAGIC_V2: {
1365 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1366 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1371 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1375 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1377 switch (msg->lm_magic) {
1378 case LUSTRE_MSG_MAGIC_V2: {
1379 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1380 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1381 pb->pb_last_xid = last_xid;
1385 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1388 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1390 void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag)
1392 switch (msg->lm_magic) {
1393 case LUSTRE_MSG_MAGIC_V2: {
1394 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1395 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1400 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1403 EXPORT_SYMBOL(lustre_msg_set_tag);
1405 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1407 switch (msg->lm_magic) {
1408 case LUSTRE_MSG_MAGIC_V2: {
1409 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1410 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1411 pb->pb_last_committed = last_committed;
1415 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1419 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1421 switch (msg->lm_magic) {
1422 case LUSTRE_MSG_MAGIC_V2: {
1423 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1424 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1425 pb->pb_pre_versions[0] = versions[0];
1426 pb->pb_pre_versions[1] = versions[1];
1427 pb->pb_pre_versions[2] = versions[2];
1428 pb->pb_pre_versions[3] = versions[3];
1432 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1435 EXPORT_SYMBOL(lustre_msg_set_versions);
1437 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1439 switch (msg->lm_magic) {
1440 case LUSTRE_MSG_MAGIC_V2: {
1441 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1442 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1443 pb->pb_transno = transno;
1447 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1450 EXPORT_SYMBOL(lustre_msg_set_transno);
1452 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1454 switch (msg->lm_magic) {
1455 case LUSTRE_MSG_MAGIC_V2: {
1456 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1457 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1458 pb->pb_status = status;
1462 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1465 EXPORT_SYMBOL(lustre_msg_set_status);
1467 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1469 switch (msg->lm_magic) {
1470 case LUSTRE_MSG_MAGIC_V2: {
1471 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1472 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1473 pb->pb_conn_cnt = conn_cnt;
1477 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1481 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1483 switch (msg->lm_magic) {
1484 case LUSTRE_MSG_MAGIC_V2: {
1485 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1486 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1487 pb->pb_timeout = timeout;
1491 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1495 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1497 switch (msg->lm_magic) {
1498 case LUSTRE_MSG_MAGIC_V2: {
1499 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1500 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1501 pb->pb_service_time = service_time;
1505 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1509 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1511 switch (msg->lm_magic) {
1512 case LUSTRE_MSG_MAGIC_V2: {
1513 __u32 opc = lustre_msg_get_opc(msg);
1514 struct ptlrpc_body *pb;
1516 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1517 * See the comment in ptlrpc_request_pack(). */
1518 if (!opc || opc == LDLM_BL_CALLBACK ||
1519 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1522 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1523 sizeof(struct ptlrpc_body));
1524 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1527 memcpy(pb->pb_jobid, jobid, LUSTRE_JOBID_SIZE);
1528 else if (pb->pb_jobid[0] == '\0')
1529 lustre_get_jobid(pb->pb_jobid);
1533 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1536 EXPORT_SYMBOL(lustre_msg_set_jobid);
1538 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1540 switch (msg->lm_magic) {
1541 case LUSTRE_MSG_MAGIC_V2:
1542 msg->lm_cksum = cksum;
1545 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1549 void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits)
1551 switch (msg->lm_magic) {
1552 case LUSTRE_MSG_MAGIC_V2: {
1553 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1555 LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg);
1556 pb->pb_mbits = mbits;
1560 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1564 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1566 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1568 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1569 req->rq_pill.rc_area[RCL_SERVER]);
1570 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1571 req->rq_reqmsg->lm_repsize = req->rq_replen;
1573 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1575 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1577 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1578 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1579 req->rq_reqmsg->lm_repsize = req->rq_replen;
1583 * Send a remote set_info_async.
1585 * This may go from client to server or server to client.
1587 int do_set_info_async(struct obd_import *imp,
1588 int opcode, int version,
1589 size_t keylen, void *key,
1590 size_t vallen, void *val,
1591 struct ptlrpc_request_set *set)
1593 struct ptlrpc_request *req;
1598 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1602 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1603 RCL_CLIENT, keylen);
1604 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1605 RCL_CLIENT, vallen);
1606 rc = ptlrpc_request_pack(req, version, opcode);
1608 ptlrpc_request_free(req);
1612 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1613 memcpy(tmp, key, keylen);
1614 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1615 memcpy(tmp, val, vallen);
1617 ptlrpc_request_set_replen(req);
1620 ptlrpc_set_add_req(set, req);
1621 ptlrpc_check_set(NULL, set);
1623 rc = ptlrpc_queue_wait(req);
1624 ptlrpc_req_finished(req);
1629 EXPORT_SYMBOL(do_set_info_async);
1631 /* byte flipping routines for all wire types declared in
1632 * lustre_idl.h implemented here.
1634 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1636 __swab32s (&b->pb_type);
1637 __swab32s (&b->pb_version);
1638 __swab32s (&b->pb_opc);
1639 __swab32s (&b->pb_status);
1640 __swab64s (&b->pb_last_xid);
1641 __swab16s (&b->pb_tag);
1642 __swab64s (&b->pb_last_committed);
1643 __swab64s (&b->pb_transno);
1644 __swab32s (&b->pb_flags);
1645 __swab32s (&b->pb_op_flags);
1646 __swab32s (&b->pb_conn_cnt);
1647 __swab32s (&b->pb_timeout);
1648 __swab32s (&b->pb_service_time);
1649 __swab32s (&b->pb_limit);
1650 __swab64s (&b->pb_slv);
1651 __swab64s (&b->pb_pre_versions[0]);
1652 __swab64s (&b->pb_pre_versions[1]);
1653 __swab64s (&b->pb_pre_versions[2]);
1654 __swab64s (&b->pb_pre_versions[3]);
1655 __swab64s(&b->pb_mbits);
1656 CLASSERT(offsetof(typeof(*b), pb_padding0) != 0);
1657 CLASSERT(offsetof(typeof(*b), pb_padding1) != 0);
1658 CLASSERT(offsetof(typeof(*b), pb_padding64_0) != 0);
1659 CLASSERT(offsetof(typeof(*b), pb_padding64_1) != 0);
1660 CLASSERT(offsetof(typeof(*b), pb_padding64_2) != 0);
1661 /* While we need to maintain compatibility between
1662 * clients and servers without ptlrpc_body_v2 (< 2.3)
1663 * do not swab any fields beyond pb_jobid, as we are
1664 * using this swab function for both ptlrpc_body
1665 * and ptlrpc_body_v2. */
1666 CLASSERT(offsetof(typeof(*b), 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_extent);
1680 __swab32s(&ocd->ocd_unused);
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 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1698 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1699 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1700 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1701 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1702 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1703 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1704 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1705 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1706 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1707 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1708 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1709 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1710 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1713 void lustre_swab_obdo (struct obdo *o)
1715 __swab64s (&o->o_valid);
1716 lustre_swab_ost_id(&o->o_oi);
1717 __swab64s (&o->o_parent_seq);
1718 __swab64s (&o->o_size);
1719 __swab64s (&o->o_mtime);
1720 __swab64s (&o->o_atime);
1721 __swab64s (&o->o_ctime);
1722 __swab64s (&o->o_blocks);
1723 __swab64s (&o->o_grant);
1724 __swab32s (&o->o_blksize);
1725 __swab32s (&o->o_mode);
1726 __swab32s (&o->o_uid);
1727 __swab32s (&o->o_gid);
1728 __swab32s (&o->o_flags);
1729 __swab32s (&o->o_nlink);
1730 __swab32s (&o->o_parent_oid);
1731 __swab32s (&o->o_misc);
1732 __swab64s (&o->o_ioepoch);
1733 __swab32s (&o->o_stripe_idx);
1734 __swab32s (&o->o_parent_ver);
1735 /* o_handle is opaque */
1736 /* o_lcookie is swabbed elsewhere */
1737 __swab32s (&o->o_uid_h);
1738 __swab32s (&o->o_gid_h);
1739 __swab64s (&o->o_data_version);
1740 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1741 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1742 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1745 EXPORT_SYMBOL(lustre_swab_obdo);
1747 void lustre_swab_obd_statfs (struct obd_statfs *os)
1749 __swab64s (&os->os_type);
1750 __swab64s (&os->os_blocks);
1751 __swab64s (&os->os_bfree);
1752 __swab64s (&os->os_bavail);
1753 __swab64s (&os->os_files);
1754 __swab64s (&os->os_ffree);
1755 /* no need to swab os_fsid */
1756 __swab32s (&os->os_bsize);
1757 __swab32s (&os->os_namelen);
1758 __swab64s (&os->os_maxbytes);
1759 __swab32s (&os->os_state);
1760 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1761 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1762 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1763 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1764 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1765 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1766 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1767 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1768 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1771 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1773 lustre_swab_ost_id(&ioo->ioo_oid);
1774 __swab32s(&ioo->ioo_max_brw);
1775 __swab32s(&ioo->ioo_bufcnt);
1778 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1780 __swab64s(&nbr->rnb_offset);
1781 __swab32s(&nbr->rnb_len);
1782 __swab32s(&nbr->rnb_flags);
1785 void lustre_swab_ost_body (struct ost_body *b)
1787 lustre_swab_obdo (&b->oa);
1790 void lustre_swab_ost_last_id(u64 *id)
1795 void lustre_swab_generic_32s(__u32 *val)
1800 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1802 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1803 __swab64s(&desc->lquota_desc.gl_flags);
1804 __swab64s(&desc->lquota_desc.gl_ver);
1805 __swab64s(&desc->lquota_desc.gl_hardlimit);
1806 __swab64s(&desc->lquota_desc.gl_softlimit);
1807 __swab64s(&desc->lquota_desc.gl_time);
1808 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1811 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1813 __swab64s(&lvb->lvb_size);
1814 __swab64s(&lvb->lvb_mtime);
1815 __swab64s(&lvb->lvb_atime);
1816 __swab64s(&lvb->lvb_ctime);
1817 __swab64s(&lvb->lvb_blocks);
1819 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1821 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1823 __swab64s(&lvb->lvb_size);
1824 __swab64s(&lvb->lvb_mtime);
1825 __swab64s(&lvb->lvb_atime);
1826 __swab64s(&lvb->lvb_ctime);
1827 __swab64s(&lvb->lvb_blocks);
1828 __swab32s(&lvb->lvb_mtime_ns);
1829 __swab32s(&lvb->lvb_atime_ns);
1830 __swab32s(&lvb->lvb_ctime_ns);
1831 __swab32s(&lvb->lvb_padding);
1833 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1835 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1837 __swab64s(&lvb->lvb_flags);
1838 __swab64s(&lvb->lvb_id_may_rel);
1839 __swab64s(&lvb->lvb_id_rel);
1840 __swab64s(&lvb->lvb_id_qunit);
1841 __swab64s(&lvb->lvb_pad1);
1843 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1845 void lustre_swab_mdt_body (struct mdt_body *b)
1847 lustre_swab_lu_fid(&b->mbo_fid1);
1848 lustre_swab_lu_fid(&b->mbo_fid2);
1849 /* handle is opaque */
1850 __swab64s(&b->mbo_valid);
1851 __swab64s(&b->mbo_size);
1852 __swab64s(&b->mbo_mtime);
1853 __swab64s(&b->mbo_atime);
1854 __swab64s(&b->mbo_ctime);
1855 __swab64s(&b->mbo_blocks);
1856 __swab64s(&b->mbo_ioepoch);
1857 __swab64s(&b->mbo_t_state);
1858 __swab32s(&b->mbo_fsuid);
1859 __swab32s(&b->mbo_fsgid);
1860 __swab32s(&b->mbo_capability);
1861 __swab32s(&b->mbo_mode);
1862 __swab32s(&b->mbo_uid);
1863 __swab32s(&b->mbo_gid);
1864 __swab32s(&b->mbo_flags);
1865 __swab32s(&b->mbo_rdev);
1866 __swab32s(&b->mbo_nlink);
1867 CLASSERT(offsetof(typeof(*b), mbo_unused2) != 0);
1868 __swab32s(&b->mbo_suppgid);
1869 __swab32s(&b->mbo_eadatasize);
1870 __swab32s(&b->mbo_aclsize);
1871 __swab32s(&b->mbo_max_mdsize);
1872 CLASSERT(offsetof(typeof(*b), mbo_unused3) != 0);
1873 __swab32s(&b->mbo_uid_h);
1874 __swab32s(&b->mbo_gid_h);
1875 CLASSERT(offsetof(typeof(*b), mbo_padding_5) != 0);
1878 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1880 /* mio_handle is opaque */
1881 CLASSERT(offsetof(typeof(*b), mio_unused1) != 0);
1882 CLASSERT(offsetof(typeof(*b), mio_unused2) != 0);
1883 CLASSERT(offsetof(typeof(*b), mio_padding) != 0);
1886 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1889 __swab32s(&mti->mti_lustre_ver);
1890 __swab32s(&mti->mti_stripe_index);
1891 __swab32s(&mti->mti_config_ver);
1892 __swab32s(&mti->mti_flags);
1893 __swab32s(&mti->mti_instance);
1894 __swab32s(&mti->mti_nid_count);
1895 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1896 for (i = 0; i < MTI_NIDS_MAX; i++)
1897 __swab64s(&mti->mti_nids[i]);
1900 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1904 __swab64s(&entry->mne_version);
1905 __swab32s(&entry->mne_instance);
1906 __swab32s(&entry->mne_index);
1907 __swab32s(&entry->mne_length);
1909 /* mne_nid_(count|type) must be one byte size because we're gonna
1910 * access it w/o swapping. */
1911 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1912 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1914 /* remove this assertion if ipv6 is supported. */
1915 LASSERT(entry->mne_nid_type == 0);
1916 for (i = 0; i < entry->mne_nid_count; i++) {
1917 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1918 __swab64s(&entry->u.nids[i]);
1921 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1923 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1925 __swab64s(&body->mcb_offset);
1926 __swab32s(&body->mcb_units);
1927 __swab16s(&body->mcb_type);
1930 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1932 __swab64s(&body->mcr_offset);
1933 __swab64s(&body->mcr_size);
1936 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1938 __swab64s (&i->dqi_bgrace);
1939 __swab64s (&i->dqi_igrace);
1940 __swab32s (&i->dqi_flags);
1941 __swab32s (&i->dqi_valid);
1944 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1946 __swab64s (&b->dqb_ihardlimit);
1947 __swab64s (&b->dqb_isoftlimit);
1948 __swab64s (&b->dqb_curinodes);
1949 __swab64s (&b->dqb_bhardlimit);
1950 __swab64s (&b->dqb_bsoftlimit);
1951 __swab64s (&b->dqb_curspace);
1952 __swab64s (&b->dqb_btime);
1953 __swab64s (&b->dqb_itime);
1954 __swab32s (&b->dqb_valid);
1955 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1958 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1960 __swab32s (&q->qc_cmd);
1961 __swab32s (&q->qc_type);
1962 __swab32s (&q->qc_id);
1963 __swab32s (&q->qc_stat);
1964 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1965 lustre_swab_obd_dqblk (&q->qc_dqblk);
1968 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1970 __swab32s (&p->rp_uid);
1971 __swab32s (&p->rp_gid);
1972 __swab32s (&p->rp_fsuid);
1973 __swab32s (&p->rp_fsuid_h);
1974 __swab32s (&p->rp_fsgid);
1975 __swab32s (&p->rp_fsgid_h);
1976 __swab32s (&p->rp_access_perm);
1977 __swab32s (&p->rp_padding);
1979 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
1981 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1983 lustre_swab_lu_fid(&gf->gf_fid);
1984 __swab64s(&gf->gf_recno);
1985 __swab32s(&gf->gf_linkno);
1986 __swab32s(&gf->gf_pathlen);
1988 EXPORT_SYMBOL(lustre_swab_fid2path);
1990 static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent)
1992 __swab64s(&fm_extent->fe_logical);
1993 __swab64s(&fm_extent->fe_physical);
1994 __swab64s(&fm_extent->fe_length);
1995 __swab32s(&fm_extent->fe_flags);
1996 __swab32s(&fm_extent->fe_device);
1999 void lustre_swab_fiemap(struct fiemap *fiemap)
2003 __swab64s(&fiemap->fm_start);
2004 __swab64s(&fiemap->fm_length);
2005 __swab32s(&fiemap->fm_flags);
2006 __swab32s(&fiemap->fm_mapped_extents);
2007 __swab32s(&fiemap->fm_extent_count);
2008 __swab32s(&fiemap->fm_reserved);
2010 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2011 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2014 void lustre_swab_idx_info(struct idx_info *ii)
2016 __swab32s(&ii->ii_magic);
2017 __swab32s(&ii->ii_flags);
2018 __swab16s(&ii->ii_count);
2019 __swab32s(&ii->ii_attrs);
2020 lustre_swab_lu_fid(&ii->ii_fid);
2021 __swab64s(&ii->ii_version);
2022 __swab64s(&ii->ii_hash_start);
2023 __swab64s(&ii->ii_hash_end);
2024 __swab16s(&ii->ii_keysize);
2025 __swab16s(&ii->ii_recsize);
2028 void lustre_swab_lip_header(struct lu_idxpage *lip)
2031 __swab32s(&lip->lip_magic);
2032 __swab16s(&lip->lip_flags);
2033 __swab16s(&lip->lip_nr);
2035 EXPORT_SYMBOL(lustre_swab_lip_header);
2037 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2039 __swab32s(&rr->rr_opcode);
2040 __swab32s(&rr->rr_cap);
2041 __swab32s(&rr->rr_fsuid);
2042 /* rr_fsuid_h is unused */
2043 __swab32s(&rr->rr_fsgid);
2044 /* rr_fsgid_h is unused */
2045 __swab32s(&rr->rr_suppgid1);
2046 /* rr_suppgid1_h is unused */
2047 __swab32s(&rr->rr_suppgid2);
2048 /* rr_suppgid2_h is unused */
2049 lustre_swab_lu_fid(&rr->rr_fid1);
2050 lustre_swab_lu_fid(&rr->rr_fid2);
2051 __swab64s(&rr->rr_mtime);
2052 __swab64s(&rr->rr_atime);
2053 __swab64s(&rr->rr_ctime);
2054 __swab64s(&rr->rr_size);
2055 __swab64s(&rr->rr_blocks);
2056 __swab32s(&rr->rr_bias);
2057 __swab32s(&rr->rr_mode);
2058 __swab32s(&rr->rr_flags);
2059 __swab32s(&rr->rr_flags_h);
2060 __swab32s(&rr->rr_umask);
2062 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2065 void lustre_swab_lov_desc (struct lov_desc *ld)
2067 __swab32s (&ld->ld_tgt_count);
2068 __swab32s (&ld->ld_active_tgt_count);
2069 __swab32s (&ld->ld_default_stripe_count);
2070 __swab32s (&ld->ld_pattern);
2071 __swab64s (&ld->ld_default_stripe_size);
2072 __swab64s (&ld->ld_default_stripe_offset);
2073 __swab32s (&ld->ld_qos_maxage);
2074 /* uuid endian insensitive */
2076 EXPORT_SYMBOL(lustre_swab_lov_desc);
2078 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2080 __swab32s (&ld->ld_tgt_count);
2081 __swab32s (&ld->ld_active_tgt_count);
2082 __swab32s (&ld->ld_default_stripe_count);
2083 __swab32s (&ld->ld_pattern);
2084 __swab64s (&ld->ld_default_hash_size);
2085 __swab32s (&ld->ld_qos_maxage);
2086 /* uuid endian insensitive */
2089 /* This structure is always in little-endian */
2090 static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1)
2094 __swab32s(&lmm1->lmv_magic);
2095 __swab32s(&lmm1->lmv_stripe_count);
2096 __swab32s(&lmm1->lmv_master_mdt_index);
2097 __swab32s(&lmm1->lmv_hash_type);
2098 __swab32s(&lmm1->lmv_layout_version);
2099 for (i = 0; i < lmm1->lmv_stripe_count; i++)
2100 lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]);
2103 void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm)
2105 switch (lmm->lmv_magic) {
2107 lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1);
2113 EXPORT_SYMBOL(lustre_swab_lmv_mds_md);
2115 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2117 __swab32s(&lum->lum_magic);
2118 __swab32s(&lum->lum_stripe_count);
2119 __swab32s(&lum->lum_stripe_offset);
2120 __swab32s(&lum->lum_hash_type);
2121 __swab32s(&lum->lum_type);
2122 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2124 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2126 void lustre_print_user_md(unsigned int lvl, struct lov_user_md *lum,
2129 if (likely(!cfs_cdebug_show(lvl, DEBUG_SUBSYSTEM)))
2132 CDEBUG(lvl, "%s lov_user_md %p:\n", msg, lum);
2133 CDEBUG(lvl, "\tlmm_magic: %#x\n", lum->lmm_magic);
2134 CDEBUG(lvl, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2135 CDEBUG(lvl, "\tlmm_object_id: "LPU64"\n", lmm_oi_id(&lum->lmm_oi));
2136 CDEBUG(lvl, "\tlmm_object_gr: "LPU64"\n", lmm_oi_seq(&lum->lmm_oi));
2137 CDEBUG(lvl, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2138 CDEBUG(lvl, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2139 CDEBUG(lvl, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2140 lum->lmm_stripe_offset);
2141 if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
2142 struct lov_user_md_v3 *v3 = (void *)lum;
2143 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2145 if (lum->lmm_magic == LOV_USER_MAGIC_SPECIFIC) {
2146 struct lov_user_md_v3 *v3 = (void *)lum;
2149 if (v3->lmm_pool_name[0] != '\0')
2150 CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name);
2152 CDEBUG(lvl, "\ttarget list:\n");
2153 for (i = 0; i < v3->lmm_stripe_count; i++)
2154 CDEBUG(lvl, "\t\t%u\n", v3->lmm_objects[i].l_ost_idx);
2157 EXPORT_SYMBOL(lustre_print_user_md);
2159 static void lustre_swab_lmm_oi(struct ost_id *oi)
2161 __swab64s(&oi->oi.oi_id);
2162 __swab64s(&oi->oi.oi_seq);
2165 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2168 __swab32s(&lum->lmm_magic);
2169 __swab32s(&lum->lmm_pattern);
2170 lustre_swab_lmm_oi(&lum->lmm_oi);
2171 __swab32s(&lum->lmm_stripe_size);
2172 __swab16s(&lum->lmm_stripe_count);
2173 __swab16s(&lum->lmm_stripe_offset);
2177 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2180 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2181 lustre_swab_lov_user_md_common(lum);
2184 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2186 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2189 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2190 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2191 /* lmm_pool_name nothing to do with char */
2194 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2196 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2199 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2200 __swab32s(&lmm->lmm_magic);
2201 __swab32s(&lmm->lmm_pattern);
2202 lustre_swab_lmm_oi(&lmm->lmm_oi);
2203 __swab32s(&lmm->lmm_stripe_size);
2204 __swab16s(&lmm->lmm_stripe_count);
2205 __swab16s(&lmm->lmm_layout_gen);
2208 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2210 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2215 for (i = 0; i < stripe_count; i++) {
2216 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2217 __swab32s(&(lod[i].l_ost_gen));
2218 __swab32s(&(lod[i].l_ost_idx));
2222 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2224 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2228 for (i = 0; i < RES_NAME_SIZE; i++)
2229 __swab64s (&id->name[i]);
2232 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2234 /* the lock data is a union and the first two fields are always an
2235 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2236 * data the same way. */
2237 __swab64s(&d->l_extent.start);
2238 __swab64s(&d->l_extent.end);
2239 __swab64s(&d->l_extent.gid);
2240 __swab64s(&d->l_flock.lfw_owner);
2241 __swab32s(&d->l_flock.lfw_pid);
2244 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2246 __swab64s (&i->opc);
2249 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2251 __swab32s (&r->lr_type);
2252 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2253 lustre_swab_ldlm_res_id (&r->lr_name);
2256 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2258 lustre_swab_ldlm_resource_desc (&l->l_resource);
2259 __swab32s (&l->l_req_mode);
2260 __swab32s (&l->l_granted_mode);
2261 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2264 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2266 __swab32s (&rq->lock_flags);
2267 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2268 __swab32s (&rq->lock_count);
2269 /* lock_handle[] opaque */
2272 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2274 __swab32s (&r->lock_flags);
2275 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2276 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2277 /* lock_handle opaque */
2278 __swab64s (&r->lock_policy_res1);
2279 __swab64s (&r->lock_policy_res2);
2282 void lustre_swab_quota_body(struct quota_body *b)
2284 lustre_swab_lu_fid(&b->qb_fid);
2285 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2286 __swab32s(&b->qb_flags);
2287 __swab64s(&b->qb_count);
2288 __swab64s(&b->qb_usage);
2289 __swab64s(&b->qb_slv_ver);
2292 /* Dump functions */
2293 void dump_ioo(struct obd_ioobj *ioo)
2296 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2297 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2301 void dump_rniobuf(struct niobuf_remote *nb)
2303 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2304 nb->rnb_offset, nb->rnb_len, nb->rnb_flags);
2307 void dump_obdo(struct obdo *oa)
2309 u64 valid = oa->o_valid;
2311 CDEBUG(D_RPCTRACE, "obdo: o_valid = "LPX64"\n", valid);
2312 if (valid & OBD_MD_FLID)
2313 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2314 if (valid & OBD_MD_FLFID)
2315 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2317 if (valid & OBD_MD_FLSIZE)
2318 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2319 if (valid & OBD_MD_FLMTIME)
2320 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2321 if (valid & OBD_MD_FLATIME)
2322 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2323 if (valid & OBD_MD_FLCTIME)
2324 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2325 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2326 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2327 if (valid & OBD_MD_FLGRANT)
2328 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2329 if (valid & OBD_MD_FLBLKSZ)
2330 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2331 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2332 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2333 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2334 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2335 if (valid & OBD_MD_FLUID)
2336 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2337 if (valid & OBD_MD_FLUID)
2338 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2339 if (valid & OBD_MD_FLGID)
2340 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2341 if (valid & OBD_MD_FLGID)
2342 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2343 if (valid & OBD_MD_FLFLAGS)
2344 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2345 if (valid & OBD_MD_FLNLINK)
2346 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2347 else if (valid & OBD_MD_FLCKSUM)
2348 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2350 if (valid & OBD_MD_FLGENER)
2351 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2353 if (valid & OBD_MD_FLEPOCH)
2354 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2356 if (valid & OBD_MD_FLFID) {
2357 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2359 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2362 if (valid & OBD_MD_FLHANDLE)
2363 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2364 oa->o_handle.cookie);
2367 void dump_ost_body(struct ost_body *ob)
2372 void dump_rcs(__u32 *rc)
2374 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2377 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2379 LASSERT(req->rq_reqmsg);
2381 switch (req->rq_reqmsg->lm_magic) {
2382 case LUSTRE_MSG_MAGIC_V2:
2383 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2385 CERROR("bad lustre msg magic: %#08X\n",
2386 req->rq_reqmsg->lm_magic);
2391 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2393 LASSERT(req->rq_repmsg);
2395 switch (req->rq_repmsg->lm_magic) {
2396 case LUSTRE_MSG_MAGIC_V2:
2397 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2399 /* uninitialized yet */
2404 void _debug_req(struct ptlrpc_request *req,
2405 struct libcfs_debug_msg_data *msgdata,
2406 const char *fmt, ... )
2408 int req_ok = req->rq_reqmsg != NULL;
2409 int rep_ok = req->rq_repmsg != NULL;
2410 lnet_nid_t nid = LNET_NID_ANY;
2413 if (ptlrpc_req_need_swab(req)) {
2414 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2415 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2418 if (req->rq_import && req->rq_import->imp_connection)
2419 nid = req->rq_import->imp_connection->c_peer.nid;
2420 else if (req->rq_export && req->rq_export->exp_connection)
2421 nid = req->rq_export->exp_connection->c_peer.nid;
2423 va_start(args, fmt);
2424 libcfs_debug_vmsg2(msgdata, fmt, args,
2425 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2426 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2427 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2428 req, req->rq_xid, req->rq_transno,
2429 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2430 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2432 req->rq_import->imp_obd->obd_name :
2434 req->rq_export->exp_client_uuid.uuid :
2436 libcfs_nid2str(nid),
2437 req->rq_request_portal, req->rq_reply_portal,
2438 req->rq_reqlen, req->rq_replen,
2439 req->rq_early_count, req->rq_timedout,
2441 atomic_read(&req->rq_refcount),
2442 DEBUG_REQ_FLAGS(req),
2443 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2444 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2446 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2449 EXPORT_SYMBOL(_debug_req);
2451 void lustre_swab_lustre_capa(struct lustre_capa *c)
2453 lustre_swab_lu_fid(&c->lc_fid);
2454 __swab64s (&c->lc_opc);
2455 __swab64s (&c->lc_uid);
2456 __swab64s (&c->lc_gid);
2457 __swab32s (&c->lc_flags);
2458 __swab32s (&c->lc_keyid);
2459 __swab32s (&c->lc_timeout);
2460 __swab32s (&c->lc_expiry);
2463 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2465 __swab64s (&k->lk_seq);
2466 __swab32s (&k->lk_keyid);
2467 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2470 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2472 __swab32s(&state->hus_states);
2473 __swab32s(&state->hus_archive_id);
2476 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2478 __swab32s(&hss->hss_valid);
2479 __swab64s(&hss->hss_setmask);
2480 __swab64s(&hss->hss_clearmask);
2481 __swab32s(&hss->hss_archive_id);
2484 static void lustre_swab_hsm_extent(struct hsm_extent *extent)
2486 __swab64s(&extent->offset);
2487 __swab64s(&extent->length);
2490 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2492 __swab32s(&action->hca_state);
2493 __swab32s(&action->hca_action);
2494 lustre_swab_hsm_extent(&action->hca_location);
2497 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2499 lustre_swab_lu_fid(&hui->hui_fid);
2500 lustre_swab_hsm_extent(&hui->hui_extent);
2503 void lustre_swab_layout_intent(struct layout_intent *li)
2505 __swab32s(&li->li_opc);
2506 __swab32s(&li->li_flags);
2507 __swab64s(&li->li_start);
2508 __swab64s(&li->li_end);
2511 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2513 lustre_swab_lu_fid(&hpk->hpk_fid);
2514 __swab64s(&hpk->hpk_cookie);
2515 __swab64s(&hpk->hpk_extent.offset);
2516 __swab64s(&hpk->hpk_extent.length);
2517 __swab16s(&hpk->hpk_flags);
2518 __swab16s(&hpk->hpk_errval);
2521 void lustre_swab_hsm_request(struct hsm_request *hr)
2523 __swab32s(&hr->hr_action);
2524 __swab32s(&hr->hr_archive_id);
2525 __swab64s(&hr->hr_flags);
2526 __swab32s(&hr->hr_itemcount);
2527 __swab32s(&hr->hr_data_len);
2530 void lustre_swab_object_update(struct object_update *ou)
2532 struct object_update_param *param;
2535 __swab16s(&ou->ou_type);
2536 __swab16s(&ou->ou_params_count);
2537 __swab32s(&ou->ou_master_index);
2538 __swab32s(&ou->ou_flags);
2539 __swab32s(&ou->ou_padding1);
2540 __swab64s(&ou->ou_batchid);
2541 lustre_swab_lu_fid(&ou->ou_fid);
2542 param = &ou->ou_params[0];
2543 for (i = 0; i < ou->ou_params_count; i++) {
2544 __swab16s(¶m->oup_len);
2545 __swab16s(¶m->oup_padding);
2546 __swab32s(¶m->oup_padding2);
2547 param = (struct object_update_param *)((char *)param +
2548 object_update_param_size(param));
2552 void lustre_swab_object_update_request(struct object_update_request *our)
2555 __swab32s(&our->ourq_magic);
2556 __swab16s(&our->ourq_count);
2557 __swab16s(&our->ourq_padding);
2558 for (i = 0; i < our->ourq_count; i++) {
2559 struct object_update *ou;
2561 ou = object_update_request_get(our, i, NULL);
2564 lustre_swab_object_update(ou);
2568 void lustre_swab_object_update_result(struct object_update_result *our)
2570 __swab32s(&our->our_rc);
2571 __swab16s(&our->our_datalen);
2572 __swab16s(&our->our_padding);
2575 void lustre_swab_object_update_reply(struct object_update_reply *our)
2579 __swab32s(&our->ourp_magic);
2580 __swab16s(&our->ourp_count);
2581 __swab16s(&our->ourp_padding);
2582 for (i = 0; i < our->ourp_count; i++) {
2583 struct object_update_result *ourp;
2585 __swab16s(&our->ourp_lens[i]);
2586 ourp = object_update_result_get(our, i, NULL);
2589 lustre_swab_object_update_result(ourp);
2593 void lustre_swab_out_update_header(struct out_update_header *ouh)
2595 __swab32s(&ouh->ouh_magic);
2596 __swab32s(&ouh->ouh_count);
2598 EXPORT_SYMBOL(lustre_swab_out_update_header);
2600 void lustre_swab_out_update_buffer(struct out_update_buffer *oub)
2602 __swab32s(&oub->oub_size);
2603 __swab32s(&oub->oub_padding);
2605 EXPORT_SYMBOL(lustre_swab_out_update_buffer);
2607 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2609 __swab64s(&msl->msl_flags);
2612 void lustre_swab_close_data(struct close_data *cd)
2614 lustre_swab_lu_fid(&cd->cd_fid);
2615 __swab64s(&cd->cd_data_version);
2618 void lustre_swab_lfsck_request(struct lfsck_request *lr)
2620 __swab32s(&lr->lr_event);
2621 __swab32s(&lr->lr_index);
2622 __swab32s(&lr->lr_flags);
2623 __swab32s(&lr->lr_valid);
2624 __swab32s(&lr->lr_speed);
2625 __swab16s(&lr->lr_version);
2626 __swab16s(&lr->lr_active);
2627 __swab16s(&lr->lr_param);
2628 __swab16s(&lr->lr_async_windows);
2629 __swab32s(&lr->lr_flags);
2630 lustre_swab_lu_fid(&lr->lr_fid);
2631 lustre_swab_lu_fid(&lr->lr_fid2);
2632 lustre_swab_lu_fid(&lr->lr_fid3);
2633 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2634 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2637 void lustre_swab_lfsck_reply(struct lfsck_reply *lr)
2639 __swab32s(&lr->lr_status);
2640 CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0);
2641 CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0);
2644 void lustre_swab_orphan_ent(struct lu_orphan_ent *ent)
2646 lustre_swab_lu_fid(&ent->loe_key);
2647 lustre_swab_lu_fid(&ent->loe_rec.lor_fid);
2648 __swab32s(&ent->loe_rec.lor_uid);
2649 __swab32s(&ent->loe_rec.lor_gid);
2651 EXPORT_SYMBOL(lustre_swab_orphan_ent);