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, 2013, 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 <liblustre.h>
50 #include <libcfs/libcfs.h>
52 #include <obd_support.h>
53 #include <obd_class.h>
54 #include <lustre_net.h>
55 #include <obd_cksum.h>
56 #include <lustre/ll_fiemap.h>
58 static inline int lustre_msg_hdr_size_v2(int count)
60 return cfs_size_round(offsetof(struct lustre_msg_v2,
64 int lustre_msg_hdr_size(__u32 magic, int count)
67 case LUSTRE_MSG_MAGIC_V2:
68 return lustre_msg_hdr_size_v2(count);
70 LASSERTF(0, "incorrect message magic: %08x\n", magic);
74 EXPORT_SYMBOL(lustre_msg_hdr_size);
76 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
80 lustre_set_req_swabbed(req, index);
82 lustre_set_rep_swabbed(req, index);
84 EXPORT_SYMBOL(ptlrpc_buf_set_swabbed);
86 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
90 return (ptlrpc_req_need_swab(req) &&
91 !lustre_req_swabbed(req, index));
93 return (ptlrpc_rep_need_swab(req) &&
94 !lustre_rep_swabbed(req, index));
96 EXPORT_SYMBOL(ptlrpc_buf_need_swab);
98 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
101 __u32 ver = lustre_msg_get_version(msg);
102 return (ver & LUSTRE_VERSION_MASK) != version;
105 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
107 switch (msg->lm_magic) {
108 case LUSTRE_MSG_MAGIC_V1:
109 CERROR("msg v1 not supported - please upgrade you system\n");
111 case LUSTRE_MSG_MAGIC_V2:
112 return lustre_msg_check_version_v2(msg, version);
114 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
118 EXPORT_SYMBOL(lustre_msg_check_version);
120 /* early reply size */
121 int lustre_msg_early_size()
125 /* Always reply old ptlrpc_body_v2 to keep interoprability
126 * with the old client (< 2.3) which doesn't have pb_jobid
127 * in the ptlrpc_body.
129 * XXX Remove this whenever we dorp interoprability with such
132 __u32 pblen = sizeof(struct ptlrpc_body_v2);
133 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
137 EXPORT_SYMBOL(lustre_msg_early_size);
139 int lustre_msg_size_v2(int count, __u32 *lengths)
144 size = lustre_msg_hdr_size_v2(count);
145 for (i = 0; i < count; i++)
146 size += cfs_size_round(lengths[i]);
150 EXPORT_SYMBOL(lustre_msg_size_v2);
152 /* This returns the size of the buffer that is required to hold a lustre_msg
153 * with the given sub-buffer lengths.
154 * NOTE: this should only be used for NEW requests, and should always be
155 * in the form of a v2 request. If this is a connection to a v1
156 * target then the first buffer will be stripped because the ptlrpc
157 * data is part of the lustre_msg_v1 header. b=14043 */
158 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
160 __u32 size[] = { sizeof(struct ptlrpc_body) };
168 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
171 case LUSTRE_MSG_MAGIC_V2:
172 return lustre_msg_size_v2(count, lens);
174 LASSERTF(0, "incorrect message magic: %08x\n", magic);
178 EXPORT_SYMBOL(lustre_msg_size);
180 /* This is used to determine the size of a buffer that was already packed
181 * and will correctly handle the different message formats. */
182 int lustre_packed_msg_size(struct lustre_msg *msg)
184 switch (msg->lm_magic) {
185 case LUSTRE_MSG_MAGIC_V2:
186 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
188 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
192 EXPORT_SYMBOL(lustre_packed_msg_size);
194 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
200 msg->lm_bufcount = count;
201 /* XXX: lm_secflvr uninitialized here */
202 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
204 for (i = 0; i < count; i++)
205 msg->lm_buflens[i] = lens[i];
210 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
211 for (i = 0; i < count; i++) {
213 LOGL(tmp, lens[i], ptr);
216 EXPORT_SYMBOL(lustre_init_msg_v2);
218 static int lustre_pack_request_v2(struct ptlrpc_request *req,
219 int count, __u32 *lens, char **bufs)
223 reqlen = lustre_msg_size_v2(count, lens);
225 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
229 req->rq_reqlen = reqlen;
231 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
232 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
236 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
237 __u32 *lens, char **bufs)
239 __u32 size[] = { sizeof(struct ptlrpc_body) };
247 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
249 /* only use new format, we don't need to be compatible with 1.4 */
250 magic = LUSTRE_MSG_MAGIC_V2;
253 case LUSTRE_MSG_MAGIC_V2:
254 return lustre_pack_request_v2(req, count, lens, bufs);
256 LASSERTF(0, "incorrect message magic: %08x\n", magic);
260 EXPORT_SYMBOL(lustre_pack_request);
263 CFS_LIST_HEAD(ptlrpc_rs_debug_lru);
264 spinlock_t ptlrpc_rs_debug_lock;
266 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
268 spin_lock(&ptlrpc_rs_debug_lock); \
269 cfs_list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
270 spin_unlock(&ptlrpc_rs_debug_lock); \
273 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
275 spin_lock(&ptlrpc_rs_debug_lock); \
276 cfs_list_del(&(rs)->rs_debug_list); \
277 spin_unlock(&ptlrpc_rs_debug_lock); \
280 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
281 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
284 struct ptlrpc_reply_state *
285 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
287 struct ptlrpc_reply_state *rs = NULL;
289 spin_lock(&svcpt->scp_rep_lock);
291 /* See if we have anything in a pool, and wait if nothing */
292 while (cfs_list_empty(&svcpt->scp_rep_idle)) {
293 struct l_wait_info lwi;
296 spin_unlock(&svcpt->scp_rep_lock);
297 /* If we cannot get anything for some long time, we better
298 * bail out instead of waiting infinitely */
299 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
300 rc = l_wait_event(svcpt->scp_rep_waitq,
301 !cfs_list_empty(&svcpt->scp_rep_idle), &lwi);
304 spin_lock(&svcpt->scp_rep_lock);
307 rs = cfs_list_entry(svcpt->scp_rep_idle.next,
308 struct ptlrpc_reply_state, rs_list);
309 cfs_list_del(&rs->rs_list);
311 spin_unlock(&svcpt->scp_rep_lock);
313 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
314 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
315 rs->rs_svcpt = svcpt;
321 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
323 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
325 spin_lock(&svcpt->scp_rep_lock);
326 cfs_list_add(&rs->rs_list, &svcpt->scp_rep_idle);
327 spin_unlock(&svcpt->scp_rep_lock);
328 wake_up(&svcpt->scp_rep_waitq);
331 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
332 __u32 *lens, char **bufs, int flags)
334 struct ptlrpc_reply_state *rs;
338 LASSERT(req->rq_reply_state == NULL);
340 if ((flags & LPRFL_EARLY_REPLY) == 0) {
341 spin_lock(&req->rq_lock);
342 req->rq_packed_final = 1;
343 spin_unlock(&req->rq_lock);
346 msg_len = lustre_msg_size_v2(count, lens);
347 rc = sptlrpc_svc_alloc_rs(req, msg_len);
351 rs = req->rq_reply_state;
352 cfs_atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
353 rs->rs_cb_id.cbid_fn = reply_out_callback;
354 rs->rs_cb_id.cbid_arg = rs;
355 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
356 CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
357 CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
358 CFS_INIT_LIST_HEAD(&rs->rs_list);
359 spin_lock_init(&rs->rs_lock);
361 req->rq_replen = msg_len;
362 req->rq_reply_state = rs;
363 req->rq_repmsg = rs->rs_msg;
365 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
366 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
368 PTLRPC_RS_DEBUG_LRU_ADD(rs);
372 EXPORT_SYMBOL(lustre_pack_reply_v2);
374 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
375 char **bufs, int flags)
378 __u32 size[] = { sizeof(struct ptlrpc_body) };
386 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
388 switch (req->rq_reqmsg->lm_magic) {
389 case LUSTRE_MSG_MAGIC_V2:
390 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
393 LASSERTF(0, "incorrect message magic: %08x\n",
394 req->rq_reqmsg->lm_magic);
398 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
399 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
402 EXPORT_SYMBOL(lustre_pack_reply_flags);
404 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
407 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
409 EXPORT_SYMBOL(lustre_pack_reply);
411 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
413 int i, offset, buflen, bufcount;
418 bufcount = m->lm_bufcount;
419 if (unlikely(n >= bufcount)) {
420 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
425 buflen = m->lm_buflens[n];
426 if (unlikely(buflen < min_size)) {
427 CERROR("msg %p buffer[%d] size %d too small "
428 "(required %d, opc=%d)\n", m, n, buflen, min_size,
429 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
433 offset = lustre_msg_hdr_size_v2(bufcount);
434 for (i = 0; i < n; i++)
435 offset += cfs_size_round(m->lm_buflens[i]);
437 return (char *)m + offset;
440 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
442 switch (m->lm_magic) {
443 case LUSTRE_MSG_MAGIC_V2:
444 return lustre_msg_buf_v2(m, n, min_size);
446 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
450 EXPORT_SYMBOL(lustre_msg_buf);
452 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
453 unsigned int newlen, int move_data)
455 char *tail = NULL, *newpos;
459 LASSERT(msg->lm_bufcount > segment);
460 LASSERT(msg->lm_buflens[segment] >= newlen);
462 if (msg->lm_buflens[segment] == newlen)
465 if (move_data && msg->lm_bufcount > segment + 1) {
466 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
467 for (n = segment + 1; n < msg->lm_bufcount; n++)
468 tail_len += cfs_size_round(msg->lm_buflens[n]);
471 msg->lm_buflens[segment] = newlen;
473 if (tail && tail_len) {
474 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
475 LASSERT(newpos <= tail);
477 memmove(newpos, tail, tail_len);
480 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
484 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
485 * we also move data forward from @segment + 1.
487 * if @newlen == 0, we remove the segment completely, but we still keep the
488 * totally bufcount the same to save possible data moving. this will leave a
489 * unused segment with size 0 at the tail, but that's ok.
491 * return new msg size after shrinking.
494 * + if any buffers higher than @segment has been filled in, must call shrink
495 * with non-zero @move_data.
496 * + caller should NOT keep pointers to msg buffers which higher than @segment
499 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
500 unsigned int newlen, int move_data)
502 switch (msg->lm_magic) {
503 case LUSTRE_MSG_MAGIC_V2:
504 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
506 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
509 EXPORT_SYMBOL(lustre_shrink_msg);
511 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
513 PTLRPC_RS_DEBUG_LRU_DEL(rs);
515 LASSERT (cfs_atomic_read(&rs->rs_refcount) == 0);
516 LASSERT (!rs->rs_difficult || rs->rs_handled);
517 LASSERT (!rs->rs_on_net);
518 LASSERT (!rs->rs_scheduled);
519 LASSERT (rs->rs_export == NULL);
520 LASSERT (rs->rs_nlocks == 0);
521 LASSERT (cfs_list_empty(&rs->rs_exp_list));
522 LASSERT (cfs_list_empty(&rs->rs_obd_list));
524 sptlrpc_svc_free_rs(rs);
526 EXPORT_SYMBOL(lustre_free_reply_state);
528 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
530 int swabbed, required_len, i;
532 /* Now we know the sender speaks my language. */
533 required_len = lustre_msg_hdr_size_v2(0);
534 if (len < required_len) {
535 /* can't even look inside the message */
536 CERROR("message length %d too small for lustre_msg\n", len);
540 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
543 __swab32s(&m->lm_magic);
544 __swab32s(&m->lm_bufcount);
545 __swab32s(&m->lm_secflvr);
546 __swab32s(&m->lm_repsize);
547 __swab32s(&m->lm_cksum);
548 __swab32s(&m->lm_flags);
549 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
550 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
553 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
554 if (len < required_len) {
555 /* didn't receive all the buffer lengths */
556 CERROR ("message length %d too small for %d buflens\n",
557 len, m->lm_bufcount);
561 for (i = 0; i < m->lm_bufcount; i++) {
563 __swab32s(&m->lm_buflens[i]);
564 required_len += cfs_size_round(m->lm_buflens[i]);
567 if (len < required_len) {
568 CERROR("len: %d, required_len %d\n", len, required_len);
569 CERROR("bufcount: %d\n", m->lm_bufcount);
570 for (i = 0; i < m->lm_bufcount; i++)
571 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
578 int __lustre_unpack_msg(struct lustre_msg *m, int len)
580 int required_len, rc;
583 /* We can provide a slightly better error log, if we check the
584 * message magic and version first. In the future, struct
585 * lustre_msg may grow, and we'd like to log a version mismatch,
586 * rather than a short message.
589 required_len = offsetof(struct lustre_msg, lm_magic) +
591 if (len < required_len) {
592 /* can't even look inside the message */
593 CERROR("message length %d too small for magic/version check\n",
598 rc = lustre_unpack_msg_v2(m, len);
602 EXPORT_SYMBOL(__lustre_unpack_msg);
604 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
607 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
609 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
614 EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
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);
626 EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
628 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
629 const int inout, int offset)
631 struct ptlrpc_body *pb;
632 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
634 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
636 CERROR("error unpacking ptlrpc body\n");
639 if (ptlrpc_buf_need_swab(req, inout, offset)) {
640 lustre_swab_ptlrpc_body(pb);
641 ptlrpc_buf_set_swabbed(req, inout, offset);
644 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
645 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
650 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
655 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
657 switch (req->rq_reqmsg->lm_magic) {
658 case LUSTRE_MSG_MAGIC_V2:
659 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
661 CERROR("bad lustre msg magic: %08x\n",
662 req->rq_reqmsg->lm_magic);
667 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
669 switch (req->rq_repmsg->lm_magic) {
670 case LUSTRE_MSG_MAGIC_V2:
671 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
673 CERROR("bad lustre msg magic: %08x\n",
674 req->rq_repmsg->lm_magic);
679 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
681 if (n >= m->lm_bufcount)
684 return m->lm_buflens[n];
688 * lustre_msg_buflen - return the length of buffer \a n in message \a m
689 * \param m lustre_msg (request or reply) to look at
690 * \param n message index (base 0)
692 * returns zero for non-existent message indices
694 int lustre_msg_buflen(struct lustre_msg *m, int n)
696 switch (m->lm_magic) {
697 case LUSTRE_MSG_MAGIC_V2:
698 return lustre_msg_buflen_v2(m, n);
700 CERROR("incorrect message magic: %08x\n", m->lm_magic);
704 EXPORT_SYMBOL(lustre_msg_buflen);
707 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
709 if (n >= m->lm_bufcount)
712 m->lm_buflens[n] = len;
715 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
717 switch (m->lm_magic) {
718 case LUSTRE_MSG_MAGIC_V2:
719 lustre_msg_set_buflen_v2(m, n, len);
722 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
726 EXPORT_SYMBOL(lustre_msg_set_buflen);
728 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
729 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
730 int lustre_msg_bufcount(struct lustre_msg *m)
732 switch (m->lm_magic) {
733 case LUSTRE_MSG_MAGIC_V2:
734 return m->lm_bufcount;
736 CERROR("incorrect message magic: %08x\n", m->lm_magic);
740 EXPORT_SYMBOL(lustre_msg_bufcount);
742 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
744 /* max_len == 0 means the string should fill the buffer */
748 switch (m->lm_magic) {
749 case LUSTRE_MSG_MAGIC_V2:
750 str = lustre_msg_buf_v2(m, index, 0);
751 blen = lustre_msg_buflen_v2(m, index);
754 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
758 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
762 slen = strnlen(str, blen);
764 if (slen == blen) { /* not NULL terminated */
765 CERROR("can't unpack non-NULL terminated string in "
766 "msg %p buffer[%d] len %d\n", m, index, blen);
771 if (slen != blen - 1) {
772 CERROR("can't unpack short string in msg %p "
773 "buffer[%d] len %d: strlen %d\n",
774 m, index, blen, slen);
777 } else if (slen > max_len) {
778 CERROR("can't unpack oversized string in msg %p "
779 "buffer[%d] len %d strlen %d: max %d expected\n",
780 m, index, blen, slen, max_len);
786 EXPORT_SYMBOL(lustre_msg_string);
788 /* Wrap up the normal fixed length cases */
789 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
790 int min_size, void *swabber)
794 LASSERT(msg != NULL);
795 switch (msg->lm_magic) {
796 case LUSTRE_MSG_MAGIC_V2:
797 ptr = lustre_msg_buf_v2(msg, index, min_size);
800 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
804 ((void (*)(void *))swabber)(ptr);
809 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
811 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
812 sizeof(struct ptlrpc_body_v2));
815 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
817 switch (msg->lm_magic) {
818 case LUSTRE_MSG_MAGIC_V1:
819 case LUSTRE_MSG_MAGIC_V1_SWABBED:
821 case LUSTRE_MSG_MAGIC_V2:
822 /* already in host endian */
823 return msg->lm_flags;
825 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
829 EXPORT_SYMBOL(lustre_msghdr_get_flags);
831 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
833 switch (msg->lm_magic) {
834 case LUSTRE_MSG_MAGIC_V1:
836 case LUSTRE_MSG_MAGIC_V2:
837 msg->lm_flags = flags;
840 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
844 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
846 switch (msg->lm_magic) {
847 case LUSTRE_MSG_MAGIC_V2: {
848 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
850 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
856 /* flags might be printed in debug code while message
861 EXPORT_SYMBOL(lustre_msg_get_flags);
863 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
865 switch (msg->lm_magic) {
866 case LUSTRE_MSG_MAGIC_V2: {
867 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
868 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
869 pb->pb_flags |= flags;
873 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
876 EXPORT_SYMBOL(lustre_msg_add_flags);
878 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
880 switch (msg->lm_magic) {
881 case LUSTRE_MSG_MAGIC_V2: {
882 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
883 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
884 pb->pb_flags = flags;
888 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
891 EXPORT_SYMBOL(lustre_msg_set_flags);
893 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
895 switch (msg->lm_magic) {
896 case LUSTRE_MSG_MAGIC_V2: {
897 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
898 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
899 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
903 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
906 EXPORT_SYMBOL(lustre_msg_clear_flags);
908 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
910 switch (msg->lm_magic) {
911 case LUSTRE_MSG_MAGIC_V2: {
912 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
914 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
917 return pb->pb_op_flags;
923 EXPORT_SYMBOL(lustre_msg_get_op_flags);
925 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
927 switch (msg->lm_magic) {
928 case LUSTRE_MSG_MAGIC_V2: {
929 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
930 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
931 pb->pb_op_flags |= flags;
935 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
938 EXPORT_SYMBOL(lustre_msg_add_op_flags);
940 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
942 switch (msg->lm_magic) {
943 case LUSTRE_MSG_MAGIC_V2: {
944 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
945 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
946 pb->pb_op_flags |= flags;
950 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
953 EXPORT_SYMBOL(lustre_msg_set_op_flags);
955 struct lustre_handle *lustre_msg_get_handle(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_handle;
967 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
971 EXPORT_SYMBOL(lustre_msg_get_handle);
973 __u32 lustre_msg_get_type(struct lustre_msg *msg)
975 switch (msg->lm_magic) {
976 case LUSTRE_MSG_MAGIC_V2: {
977 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
979 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
980 return PTL_RPC_MSG_ERR;
985 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
986 return PTL_RPC_MSG_ERR;
989 EXPORT_SYMBOL(lustre_msg_get_type);
991 __u32 lustre_msg_get_version(struct lustre_msg *msg)
993 switch (msg->lm_magic) {
994 case LUSTRE_MSG_MAGIC_V2: {
995 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
997 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1000 return pb->pb_version;
1003 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1007 EXPORT_SYMBOL(lustre_msg_get_version);
1009 void lustre_msg_add_version(struct lustre_msg *msg, int version)
1011 switch (msg->lm_magic) {
1012 case LUSTRE_MSG_MAGIC_V2: {
1013 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1014 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1015 pb->pb_version |= version;
1019 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1022 EXPORT_SYMBOL(lustre_msg_add_version);
1024 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1026 switch (msg->lm_magic) {
1027 case LUSTRE_MSG_MAGIC_V2: {
1028 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1030 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1036 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1041 EXPORT_SYMBOL(lustre_msg_get_opc);
1043 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1045 switch (msg->lm_magic) {
1046 case LUSTRE_MSG_MAGIC_V2: {
1047 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1049 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1052 return pb->pb_last_xid;
1055 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1059 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1061 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1063 switch (msg->lm_magic) {
1064 case LUSTRE_MSG_MAGIC_V2: {
1065 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1067 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1070 return pb->pb_last_committed;
1073 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1077 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1079 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1081 switch (msg->lm_magic) {
1082 case LUSTRE_MSG_MAGIC_V1:
1084 case LUSTRE_MSG_MAGIC_V2: {
1085 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1087 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1090 return pb->pb_pre_versions;
1093 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1097 EXPORT_SYMBOL(lustre_msg_get_versions);
1099 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1101 switch (msg->lm_magic) {
1102 case LUSTRE_MSG_MAGIC_V2: {
1103 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1105 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1108 return pb->pb_transno;
1111 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1115 EXPORT_SYMBOL(lustre_msg_get_transno);
1117 int lustre_msg_get_status(struct lustre_msg *msg)
1119 switch (msg->lm_magic) {
1120 case LUSTRE_MSG_MAGIC_V2: {
1121 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1123 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1126 return pb->pb_status;
1129 /* status might be printed in debug code while message
1134 EXPORT_SYMBOL(lustre_msg_get_status);
1136 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1138 switch (msg->lm_magic) {
1139 case LUSTRE_MSG_MAGIC_V2: {
1140 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1142 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1148 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1152 EXPORT_SYMBOL(lustre_msg_get_slv);
1155 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1157 switch (msg->lm_magic) {
1158 case LUSTRE_MSG_MAGIC_V2: {
1159 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1161 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1168 CERROR("invalid msg magic %x\n", msg->lm_magic);
1172 EXPORT_SYMBOL(lustre_msg_set_slv);
1174 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1176 switch (msg->lm_magic) {
1177 case LUSTRE_MSG_MAGIC_V2: {
1178 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1180 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1183 return pb->pb_limit;
1186 CERROR("invalid msg magic %x\n", msg->lm_magic);
1190 EXPORT_SYMBOL(lustre_msg_get_limit);
1193 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1195 switch (msg->lm_magic) {
1196 case LUSTRE_MSG_MAGIC_V2: {
1197 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1199 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1202 pb->pb_limit = limit;
1206 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1210 EXPORT_SYMBOL(lustre_msg_set_limit);
1212 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1214 switch (msg->lm_magic) {
1215 case LUSTRE_MSG_MAGIC_V2: {
1216 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1218 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1221 return pb->pb_conn_cnt;
1224 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1228 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1230 int lustre_msg_is_v1(struct lustre_msg *msg)
1232 switch (msg->lm_magic) {
1233 case LUSTRE_MSG_MAGIC_V1:
1234 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1240 EXPORT_SYMBOL(lustre_msg_is_v1);
1242 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1244 switch (msg->lm_magic) {
1245 case LUSTRE_MSG_MAGIC_V2:
1246 return msg->lm_magic;
1248 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1252 EXPORT_SYMBOL(lustre_msg_get_magic);
1254 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1256 switch (msg->lm_magic) {
1257 case LUSTRE_MSG_MAGIC_V1:
1258 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1260 case LUSTRE_MSG_MAGIC_V2: {
1261 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1263 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1267 return pb->pb_timeout;
1270 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1275 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1277 switch (msg->lm_magic) {
1278 case LUSTRE_MSG_MAGIC_V1:
1279 case LUSTRE_MSG_MAGIC_V1_SWABBED:
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);
1288 return pb->pb_service_time;
1291 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1296 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1298 switch (msg->lm_magic) {
1299 case LUSTRE_MSG_MAGIC_V1:
1300 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1302 case LUSTRE_MSG_MAGIC_V2: {
1303 struct ptlrpc_body *pb =
1304 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1305 sizeof(struct ptlrpc_body));
1309 return pb->pb_jobid;
1312 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1316 EXPORT_SYMBOL(lustre_msg_get_jobid);
1318 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1320 switch (msg->lm_magic) {
1321 case LUSTRE_MSG_MAGIC_V2:
1322 return msg->lm_cksum;
1324 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1329 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0)
1331 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1332 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1333 * more sense to compute the checksum on the full ptlrpc_body, regardless
1334 * of what size it is, but in order to keep interoperability with 1.8 we
1335 * can optionally also checksum only the first 88 bytes (caller decides). */
1336 # define ptlrpc_body_cksum_size_compat18 88
1338 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1340 # warning "remove checksum compatibility support for b1_8"
1341 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1344 switch (msg->lm_magic) {
1345 case LUSTRE_MSG_MAGIC_V2: {
1346 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1347 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0)
1349 unsigned int hsize = 4;
1350 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1351 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1352 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1353 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1354 len, NULL, 0, (unsigned char *)&crc,
1358 # warning "remove checksum compatibility support for b1_8"
1360 unsigned int hsize = 4;
1361 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1362 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF),
1363 NULL, 0, (unsigned char *)&crc, &hsize);
1368 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1373 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1375 switch (msg->lm_magic) {
1376 case LUSTRE_MSG_MAGIC_V2: {
1377 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1378 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1379 pb->pb_handle = *handle;
1383 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1386 EXPORT_SYMBOL(lustre_msg_set_handle);
1388 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1390 switch (msg->lm_magic) {
1391 case LUSTRE_MSG_MAGIC_V2: {
1392 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1393 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1398 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1401 EXPORT_SYMBOL(lustre_msg_set_type);
1403 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1405 switch (msg->lm_magic) {
1406 case LUSTRE_MSG_MAGIC_V2: {
1407 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1408 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1413 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1416 EXPORT_SYMBOL(lustre_msg_set_opc);
1418 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1420 switch (msg->lm_magic) {
1421 case LUSTRE_MSG_MAGIC_V2: {
1422 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1423 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1424 pb->pb_last_xid = last_xid;
1428 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1431 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1433 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1435 switch (msg->lm_magic) {
1436 case LUSTRE_MSG_MAGIC_V2: {
1437 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1438 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1439 pb->pb_last_committed = last_committed;
1443 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1446 EXPORT_SYMBOL(lustre_msg_set_last_committed);
1448 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1450 switch (msg->lm_magic) {
1451 case LUSTRE_MSG_MAGIC_V1:
1453 case LUSTRE_MSG_MAGIC_V2: {
1454 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1455 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1456 pb->pb_pre_versions[0] = versions[0];
1457 pb->pb_pre_versions[1] = versions[1];
1458 pb->pb_pre_versions[2] = versions[2];
1459 pb->pb_pre_versions[3] = versions[3];
1463 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1466 EXPORT_SYMBOL(lustre_msg_set_versions);
1468 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1470 switch (msg->lm_magic) {
1471 case LUSTRE_MSG_MAGIC_V2: {
1472 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1473 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1474 pb->pb_transno = transno;
1478 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1481 EXPORT_SYMBOL(lustre_msg_set_transno);
1483 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1485 switch (msg->lm_magic) {
1486 case LUSTRE_MSG_MAGIC_V2: {
1487 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1488 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1489 pb->pb_status = status;
1493 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1496 EXPORT_SYMBOL(lustre_msg_set_status);
1498 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1500 switch (msg->lm_magic) {
1501 case LUSTRE_MSG_MAGIC_V2: {
1502 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1503 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1504 pb->pb_conn_cnt = conn_cnt;
1508 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1511 EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
1513 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1515 switch (msg->lm_magic) {
1516 case LUSTRE_MSG_MAGIC_V1:
1518 case LUSTRE_MSG_MAGIC_V2: {
1519 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1520 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1521 pb->pb_timeout = timeout;
1525 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1529 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1531 switch (msg->lm_magic) {
1532 case LUSTRE_MSG_MAGIC_V1:
1534 case LUSTRE_MSG_MAGIC_V2: {
1535 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1536 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1537 pb->pb_service_time = service_time;
1541 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1545 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1547 switch (msg->lm_magic) {
1548 case LUSTRE_MSG_MAGIC_V1:
1550 case LUSTRE_MSG_MAGIC_V2: {
1551 __u32 opc = lustre_msg_get_opc(msg);
1552 struct ptlrpc_body *pb;
1554 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1555 * See the comment in ptlrpc_request_pack(). */
1556 if (!opc || opc == LDLM_BL_CALLBACK ||
1557 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1560 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1561 sizeof(struct ptlrpc_body));
1562 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1565 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1566 else if (pb->pb_jobid[0] == '\0')
1567 lustre_get_jobid(pb->pb_jobid);
1571 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1574 EXPORT_SYMBOL(lustre_msg_set_jobid);
1576 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1578 switch (msg->lm_magic) {
1579 case LUSTRE_MSG_MAGIC_V1:
1581 case LUSTRE_MSG_MAGIC_V2:
1582 msg->lm_cksum = cksum;
1585 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1590 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1592 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1594 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1595 req->rq_pill.rc_area[RCL_SERVER]);
1596 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1597 req->rq_reqmsg->lm_repsize = req->rq_replen;
1599 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1601 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1603 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1604 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1605 req->rq_reqmsg->lm_repsize = req->rq_replen;
1607 EXPORT_SYMBOL(ptlrpc_req_set_repsize);
1610 * Send a remote set_info_async.
1612 * This may go from client to server or server to client.
1614 int do_set_info_async(struct obd_import *imp,
1615 int opcode, int version,
1616 obd_count keylen, void *key,
1617 obd_count vallen, void *val,
1618 struct ptlrpc_request_set *set)
1620 struct ptlrpc_request *req;
1625 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1629 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1630 RCL_CLIENT, keylen);
1631 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1632 RCL_CLIENT, vallen);
1633 rc = ptlrpc_request_pack(req, version, opcode);
1635 ptlrpc_request_free(req);
1639 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1640 memcpy(tmp, key, keylen);
1641 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1642 memcpy(tmp, val, vallen);
1644 ptlrpc_request_set_replen(req);
1647 ptlrpc_set_add_req(set, req);
1648 ptlrpc_check_set(NULL, set);
1650 rc = ptlrpc_queue_wait(req);
1651 ptlrpc_req_finished(req);
1656 EXPORT_SYMBOL(do_set_info_async);
1658 /* byte flipping routines for all wire types declared in
1659 * lustre_idl.h implemented here.
1661 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1663 __swab32s (&b->pb_type);
1664 __swab32s (&b->pb_version);
1665 __swab32s (&b->pb_opc);
1666 __swab32s (&b->pb_status);
1667 __swab64s (&b->pb_last_xid);
1668 __swab64s (&b->pb_last_seen);
1669 __swab64s (&b->pb_last_committed);
1670 __swab64s (&b->pb_transno);
1671 __swab32s (&b->pb_flags);
1672 __swab32s (&b->pb_op_flags);
1673 __swab32s (&b->pb_conn_cnt);
1674 __swab32s (&b->pb_timeout);
1675 __swab32s (&b->pb_service_time);
1676 __swab32s (&b->pb_limit);
1677 __swab64s (&b->pb_slv);
1678 __swab64s (&b->pb_pre_versions[0]);
1679 __swab64s (&b->pb_pre_versions[1]);
1680 __swab64s (&b->pb_pre_versions[2]);
1681 __swab64s (&b->pb_pre_versions[3]);
1682 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1683 /* While we need to maintain compatibility between
1684 * clients and servers without ptlrpc_body_v2 (< 2.3)
1685 * do not swab any fields beyond pb_jobid, as we are
1686 * using this swab function for both ptlrpc_body
1687 * and ptlrpc_body_v2. */
1688 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1690 EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
1692 void lustre_swab_connect(struct obd_connect_data *ocd)
1694 __swab64s(&ocd->ocd_connect_flags);
1695 __swab32s(&ocd->ocd_version);
1696 __swab32s(&ocd->ocd_grant);
1697 __swab64s(&ocd->ocd_ibits_known);
1698 __swab32s(&ocd->ocd_index);
1699 __swab32s(&ocd->ocd_brw_size);
1700 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1701 * they are 8-byte values */
1702 __swab16s(&ocd->ocd_grant_extent);
1703 __swab32s(&ocd->ocd_unused);
1704 __swab64s(&ocd->ocd_transno);
1705 __swab32s(&ocd->ocd_group);
1706 __swab32s(&ocd->ocd_cksum_types);
1707 __swab32s(&ocd->ocd_instance);
1708 /* Fields after ocd_cksum_types are only accessible by the receiver
1709 * if the corresponding flag in ocd_connect_flags is set. Accessing
1710 * any field after ocd_maxbytes on the receiver without a valid flag
1711 * may result in out-of-bound memory access and kernel oops. */
1712 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1713 __swab32s(&ocd->ocd_max_easize);
1714 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1715 __swab64s(&ocd->ocd_maxbytes);
1716 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1717 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1718 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1719 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1720 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1721 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1722 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1723 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1724 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1725 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1726 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1727 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1728 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1729 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1730 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1733 void lustre_swab_obdo (struct obdo *o)
1735 __swab64s (&o->o_valid);
1736 lustre_swab_ost_id(&o->o_oi);
1737 __swab64s (&o->o_parent_seq);
1738 __swab64s (&o->o_size);
1739 __swab64s (&o->o_mtime);
1740 __swab64s (&o->o_atime);
1741 __swab64s (&o->o_ctime);
1742 __swab64s (&o->o_blocks);
1743 __swab64s (&o->o_grant);
1744 __swab32s (&o->o_blksize);
1745 __swab32s (&o->o_mode);
1746 __swab32s (&o->o_uid);
1747 __swab32s (&o->o_gid);
1748 __swab32s (&o->o_flags);
1749 __swab32s (&o->o_nlink);
1750 __swab32s (&o->o_parent_oid);
1751 __swab32s (&o->o_misc);
1752 __swab64s (&o->o_ioepoch);
1753 __swab32s (&o->o_stripe_idx);
1754 __swab32s (&o->o_parent_ver);
1755 /* o_handle is opaque */
1756 /* o_lcookie is swabbed elsewhere */
1757 __swab32s (&o->o_uid_h);
1758 __swab32s (&o->o_gid_h);
1759 __swab64s (&o->o_data_version);
1760 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1761 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1762 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1765 EXPORT_SYMBOL(lustre_swab_obdo);
1767 void lustre_swab_obd_statfs (struct obd_statfs *os)
1769 __swab64s (&os->os_type);
1770 __swab64s (&os->os_blocks);
1771 __swab64s (&os->os_bfree);
1772 __swab64s (&os->os_bavail);
1773 __swab64s (&os->os_files);
1774 __swab64s (&os->os_ffree);
1775 /* no need to swab os_fsid */
1776 __swab32s (&os->os_bsize);
1777 __swab32s (&os->os_namelen);
1778 __swab64s (&os->os_maxbytes);
1779 __swab32s (&os->os_state);
1780 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1781 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1782 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1783 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1784 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1785 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1786 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1787 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1788 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1790 EXPORT_SYMBOL(lustre_swab_obd_statfs);
1792 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1794 lustre_swab_ost_id(&ioo->ioo_oid);
1795 __swab32s(&ioo->ioo_max_brw);
1796 __swab32s(&ioo->ioo_bufcnt);
1798 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
1800 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1802 __swab64s (&nbr->offset);
1803 __swab32s (&nbr->len);
1804 __swab32s (&nbr->flags);
1806 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
1808 void lustre_swab_ost_body (struct ost_body *b)
1810 lustre_swab_obdo (&b->oa);
1812 EXPORT_SYMBOL(lustre_swab_ost_body);
1814 void lustre_swab_ost_last_id(obd_id *id)
1818 EXPORT_SYMBOL(lustre_swab_ost_last_id);
1820 void lustre_swab_generic_32s(__u32 *val)
1824 EXPORT_SYMBOL(lustre_swab_generic_32s);
1826 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1828 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1829 __swab64s(&desc->lquota_desc.gl_flags);
1830 __swab64s(&desc->lquota_desc.gl_ver);
1831 __swab64s(&desc->lquota_desc.gl_hardlimit);
1832 __swab64s(&desc->lquota_desc.gl_softlimit);
1833 __swab64s(&desc->lquota_desc.gl_time);
1834 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1837 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1839 __swab64s(&lvb->lvb_size);
1840 __swab64s(&lvb->lvb_mtime);
1841 __swab64s(&lvb->lvb_atime);
1842 __swab64s(&lvb->lvb_ctime);
1843 __swab64s(&lvb->lvb_blocks);
1845 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1847 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1849 __swab64s(&lvb->lvb_size);
1850 __swab64s(&lvb->lvb_mtime);
1851 __swab64s(&lvb->lvb_atime);
1852 __swab64s(&lvb->lvb_ctime);
1853 __swab64s(&lvb->lvb_blocks);
1854 __swab32s(&lvb->lvb_mtime_ns);
1855 __swab32s(&lvb->lvb_atime_ns);
1856 __swab32s(&lvb->lvb_ctime_ns);
1857 __swab32s(&lvb->lvb_padding);
1859 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1861 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1863 __swab64s(&lvb->lvb_flags);
1864 __swab64s(&lvb->lvb_id_may_rel);
1865 __swab64s(&lvb->lvb_id_rel);
1866 __swab64s(&lvb->lvb_id_qunit);
1867 __swab64s(&lvb->lvb_pad1);
1869 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1871 void lustre_swab_mdt_body (struct mdt_body *b)
1873 lustre_swab_lu_fid(&b->fid1);
1874 lustre_swab_lu_fid(&b->fid2);
1875 /* handle is opaque */
1876 __swab64s(&b->valid);
1877 __swab64s(&b->size);
1878 __swab64s(&b->mtime);
1879 __swab64s(&b->atime);
1880 __swab64s(&b->ctime);
1881 __swab64s(&b->blocks);
1882 __swab64s(&b->ioepoch);
1883 __swab64s(&b->t_state);
1884 __swab32s(&b->fsuid);
1885 __swab32s(&b->fsgid);
1886 __swab32s(&b->capability);
1887 __swab32s(&b->mode);
1890 __swab32s(&b->flags);
1891 __swab32s(&b->rdev);
1892 __swab32s(&b->nlink);
1893 CLASSERT(offsetof(typeof(*b), unused2) != 0);
1894 __swab32s(&b->suppgid);
1895 __swab32s(&b->eadatasize);
1896 __swab32s(&b->aclsize);
1897 __swab32s(&b->max_mdsize);
1898 __swab32s(&b->max_cookiesize);
1899 __swab32s(&b->uid_h);
1900 __swab32s(&b->gid_h);
1901 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1903 EXPORT_SYMBOL(lustre_swab_mdt_body);
1905 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1907 /* handle is opaque */
1908 __swab64s (&b->ioepoch);
1909 __swab32s (&b->flags);
1910 CLASSERT(offsetof(typeof(*b), padding) != 0);
1912 EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
1914 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1917 __swab32s(&mti->mti_lustre_ver);
1918 __swab32s(&mti->mti_stripe_index);
1919 __swab32s(&mti->mti_config_ver);
1920 __swab32s(&mti->mti_flags);
1921 __swab32s(&mti->mti_instance);
1922 __swab32s(&mti->mti_nid_count);
1923 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1924 for (i = 0; i < MTI_NIDS_MAX; i++)
1925 __swab64s(&mti->mti_nids[i]);
1927 EXPORT_SYMBOL(lustre_swab_mgs_target_info);
1929 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1933 __swab64s(&entry->mne_version);
1934 __swab32s(&entry->mne_instance);
1935 __swab32s(&entry->mne_index);
1936 __swab32s(&entry->mne_length);
1938 /* mne_nid_(count|type) must be one byte size because we're gonna
1939 * access it w/o swapping. */
1940 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1941 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1943 /* remove this assertion if ipv6 is supported. */
1944 LASSERT(entry->mne_nid_type == 0);
1945 for (i = 0; i < entry->mne_nid_count; i++) {
1946 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1947 __swab64s(&entry->u.nids[i]);
1950 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1952 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1954 __swab64s(&body->mcb_offset);
1955 __swab32s(&body->mcb_units);
1956 __swab16s(&body->mcb_type);
1958 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1960 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1962 __swab64s(&body->mcr_offset);
1963 __swab64s(&body->mcr_size);
1965 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1967 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1969 __swab64s (&i->dqi_bgrace);
1970 __swab64s (&i->dqi_igrace);
1971 __swab32s (&i->dqi_flags);
1972 __swab32s (&i->dqi_valid);
1975 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1977 __swab64s (&b->dqb_ihardlimit);
1978 __swab64s (&b->dqb_isoftlimit);
1979 __swab64s (&b->dqb_curinodes);
1980 __swab64s (&b->dqb_bhardlimit);
1981 __swab64s (&b->dqb_bsoftlimit);
1982 __swab64s (&b->dqb_curspace);
1983 __swab64s (&b->dqb_btime);
1984 __swab64s (&b->dqb_itime);
1985 __swab32s (&b->dqb_valid);
1986 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1989 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1991 __swab32s (&q->qc_cmd);
1992 __swab32s (&q->qc_type);
1993 __swab32s (&q->qc_id);
1994 __swab32s (&q->qc_stat);
1995 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1996 lustre_swab_obd_dqblk (&q->qc_dqblk);
1998 EXPORT_SYMBOL(lustre_swab_obd_quotactl);
2000 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
2002 __swab32s (&p->rp_uid);
2003 __swab32s (&p->rp_gid);
2004 __swab32s (&p->rp_fsuid);
2005 __swab32s (&p->rp_fsuid_h);
2006 __swab32s (&p->rp_fsgid);
2007 __swab32s (&p->rp_fsgid_h);
2008 __swab32s (&p->rp_access_perm);
2009 __swab32s (&p->rp_padding);
2011 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
2013 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
2015 lustre_swab_lu_fid(&gf->gf_fid);
2016 __swab64s(&gf->gf_recno);
2017 __swab32s(&gf->gf_linkno);
2018 __swab32s(&gf->gf_pathlen);
2020 EXPORT_SYMBOL(lustre_swab_fid2path);
2022 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
2024 __swab64s(&fm_extent->fe_logical);
2025 __swab64s(&fm_extent->fe_physical);
2026 __swab64s(&fm_extent->fe_length);
2027 __swab32s(&fm_extent->fe_flags);
2028 __swab32s(&fm_extent->fe_device);
2031 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
2035 __swab64s(&fiemap->fm_start);
2036 __swab64s(&fiemap->fm_length);
2037 __swab32s(&fiemap->fm_flags);
2038 __swab32s(&fiemap->fm_mapped_extents);
2039 __swab32s(&fiemap->fm_extent_count);
2040 __swab32s(&fiemap->fm_reserved);
2042 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2043 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2045 EXPORT_SYMBOL(lustre_swab_fiemap);
2047 void lustre_swab_idx_info(struct idx_info *ii)
2049 __swab32s(&ii->ii_magic);
2050 __swab32s(&ii->ii_flags);
2051 __swab16s(&ii->ii_count);
2052 __swab32s(&ii->ii_attrs);
2053 lustre_swab_lu_fid(&ii->ii_fid);
2054 __swab64s(&ii->ii_version);
2055 __swab64s(&ii->ii_hash_start);
2056 __swab64s(&ii->ii_hash_end);
2057 __swab16s(&ii->ii_keysize);
2058 __swab16s(&ii->ii_recsize);
2061 void lustre_swab_lip_header(struct lu_idxpage *lip)
2064 __swab32s(&lip->lip_magic);
2065 __swab16s(&lip->lip_flags);
2066 __swab16s(&lip->lip_nr);
2068 EXPORT_SYMBOL(lustre_swab_lip_header);
2070 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2072 __swab32s(&rr->rr_opcode);
2073 __swab32s(&rr->rr_cap);
2074 __swab32s(&rr->rr_fsuid);
2075 /* rr_fsuid_h is unused */
2076 __swab32s(&rr->rr_fsgid);
2077 /* rr_fsgid_h is unused */
2078 __swab32s(&rr->rr_suppgid1);
2079 /* rr_suppgid1_h is unused */
2080 __swab32s(&rr->rr_suppgid2);
2081 /* rr_suppgid2_h is unused */
2082 lustre_swab_lu_fid(&rr->rr_fid1);
2083 lustre_swab_lu_fid(&rr->rr_fid2);
2084 __swab64s(&rr->rr_mtime);
2085 __swab64s(&rr->rr_atime);
2086 __swab64s(&rr->rr_ctime);
2087 __swab64s(&rr->rr_size);
2088 __swab64s(&rr->rr_blocks);
2089 __swab32s(&rr->rr_bias);
2090 __swab32s(&rr->rr_mode);
2091 __swab32s(&rr->rr_flags);
2092 __swab32s(&rr->rr_flags_h);
2093 __swab32s(&rr->rr_umask);
2095 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2097 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
2099 void lustre_swab_lov_desc (struct lov_desc *ld)
2101 __swab32s (&ld->ld_tgt_count);
2102 __swab32s (&ld->ld_active_tgt_count);
2103 __swab32s (&ld->ld_default_stripe_count);
2104 __swab32s (&ld->ld_pattern);
2105 __swab64s (&ld->ld_default_stripe_size);
2106 __swab64s (&ld->ld_default_stripe_offset);
2107 __swab32s (&ld->ld_qos_maxage);
2108 /* uuid endian insensitive */
2110 EXPORT_SYMBOL(lustre_swab_lov_desc);
2112 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2114 __swab32s (&ld->ld_tgt_count);
2115 __swab32s (&ld->ld_active_tgt_count);
2116 __swab32s (&ld->ld_default_stripe_count);
2117 __swab32s (&ld->ld_pattern);
2118 __swab64s (&ld->ld_default_hash_size);
2119 __swab32s (&ld->ld_qos_maxage);
2120 /* uuid endian insensitive */
2123 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
2125 __swab32s(&mea->mea_magic);
2126 __swab32s(&mea->mea_count);
2127 __swab32s(&mea->mea_master);
2128 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
2131 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2135 __swab32s(&lum->lum_magic);
2136 __swab32s(&lum->lum_stripe_count);
2137 __swab32s(&lum->lum_stripe_offset);
2138 __swab32s(&lum->lum_hash_type);
2139 __swab32s(&lum->lum_type);
2140 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2141 CLASSERT(offsetof(typeof(*lum), lum_padding2) != 0);
2142 CLASSERT(offsetof(typeof(*lum), lum_padding3) != 0);
2144 for (i = 0; i < lum->lum_stripe_count; i++) {
2145 __swab32s(&lum->lum_objects[i].lum_mds);
2146 lustre_swab_lu_fid(&lum->lum_objects[i].lum_fid);
2150 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2152 static void print_lum (struct lov_user_md *lum)
2154 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
2155 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
2156 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2157 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lmm_oi_id(&lum->lmm_oi));
2158 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lmm_oi_seq(&lum->lmm_oi));
2159 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2160 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2161 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2162 lum->lmm_stripe_offset);
2165 static void lustre_swab_lmm_oi(struct ost_id *oi)
2167 __swab64s(&oi->oi.oi_id);
2168 __swab64s(&oi->oi.oi_seq);
2171 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2174 __swab32s(&lum->lmm_magic);
2175 __swab32s(&lum->lmm_pattern);
2176 lustre_swab_lmm_oi(&lum->lmm_oi);
2177 __swab32s(&lum->lmm_stripe_size);
2178 __swab16s(&lum->lmm_stripe_count);
2179 __swab16s(&lum->lmm_stripe_offset);
2184 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2187 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2188 lustre_swab_lov_user_md_common(lum);
2191 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2193 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2196 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2197 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2198 /* lmm_pool_name nothing to do with char */
2201 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2203 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2206 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2207 __swab32s(&lmm->lmm_magic);
2208 __swab32s(&lmm->lmm_pattern);
2209 lustre_swab_lmm_oi(&lmm->lmm_oi);
2210 __swab32s(&lmm->lmm_stripe_size);
2211 __swab16s(&lmm->lmm_stripe_count);
2212 __swab16s(&lmm->lmm_layout_gen);
2215 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2217 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2222 for (i = 0; i < stripe_count; i++) {
2223 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2224 __swab32s(&(lod[i].l_ost_gen));
2225 __swab32s(&(lod[i].l_ost_idx));
2229 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2231 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2235 for (i = 0; i < RES_NAME_SIZE; i++)
2236 __swab64s (&id->name[i]);
2238 EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
2240 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2242 /* the lock data is a union and the first two fields are always an
2243 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2244 * data the same way. */
2245 __swab64s(&d->l_extent.start);
2246 __swab64s(&d->l_extent.end);
2247 __swab64s(&d->l_extent.gid);
2248 __swab64s(&d->l_flock.lfw_owner);
2249 __swab32s(&d->l_flock.lfw_pid);
2251 EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
2253 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2255 __swab64s (&i->opc);
2257 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
2259 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2261 __swab32s (&r->lr_type);
2262 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2263 lustre_swab_ldlm_res_id (&r->lr_name);
2265 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
2267 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2269 lustre_swab_ldlm_resource_desc (&l->l_resource);
2270 __swab32s (&l->l_req_mode);
2271 __swab32s (&l->l_granted_mode);
2272 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2274 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
2276 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2278 __swab32s (&rq->lock_flags);
2279 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2280 __swab32s (&rq->lock_count);
2281 /* lock_handle[] opaque */
2283 EXPORT_SYMBOL(lustre_swab_ldlm_request);
2285 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2287 __swab32s (&r->lock_flags);
2288 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2289 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2290 /* lock_handle opaque */
2291 __swab64s (&r->lock_policy_res1);
2292 __swab64s (&r->lock_policy_res2);
2294 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
2296 void lustre_swab_quota_body(struct quota_body *b)
2298 lustre_swab_lu_fid(&b->qb_fid);
2299 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2300 __swab32s(&b->qb_flags);
2301 __swab64s(&b->qb_count);
2302 __swab64s(&b->qb_usage);
2303 __swab64s(&b->qb_slv_ver);
2306 /* Dump functions */
2307 void dump_ioo(struct obd_ioobj *ioo)
2310 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2311 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2314 EXPORT_SYMBOL(dump_ioo);
2316 void dump_rniobuf(struct niobuf_remote *nb)
2318 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2319 nb->offset, nb->len, nb->flags);
2321 EXPORT_SYMBOL(dump_rniobuf);
2323 void dump_obdo(struct obdo *oa)
2325 __u32 valid = oa->o_valid;
2327 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2328 if (valid & OBD_MD_FLID)
2329 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2330 if (valid & OBD_MD_FLFID)
2331 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2333 if (valid & OBD_MD_FLSIZE)
2334 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2335 if (valid & OBD_MD_FLMTIME)
2336 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2337 if (valid & OBD_MD_FLATIME)
2338 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2339 if (valid & OBD_MD_FLCTIME)
2340 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2341 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2342 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2343 if (valid & OBD_MD_FLGRANT)
2344 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2345 if (valid & OBD_MD_FLBLKSZ)
2346 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2347 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2348 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2349 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2350 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2351 if (valid & OBD_MD_FLUID)
2352 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2353 if (valid & OBD_MD_FLUID)
2354 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2355 if (valid & OBD_MD_FLGID)
2356 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2357 if (valid & OBD_MD_FLGID)
2358 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2359 if (valid & OBD_MD_FLFLAGS)
2360 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2361 if (valid & OBD_MD_FLNLINK)
2362 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2363 else if (valid & OBD_MD_FLCKSUM)
2364 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2366 if (valid & OBD_MD_FLGENER)
2367 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2369 if (valid & OBD_MD_FLEPOCH)
2370 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2372 if (valid & OBD_MD_FLFID) {
2373 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2375 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2378 if (valid & OBD_MD_FLHANDLE)
2379 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2380 oa->o_handle.cookie);
2381 if (valid & OBD_MD_FLCOOKIE)
2382 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2383 "(llog_cookie dumping not yet implemented)\n");
2385 EXPORT_SYMBOL(dump_obdo);
2387 void dump_ost_body(struct ost_body *ob)
2391 EXPORT_SYMBOL(dump_ost_body);
2393 void dump_rcs(__u32 *rc)
2395 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2397 EXPORT_SYMBOL(dump_rcs);
2399 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2401 LASSERT(req->rq_reqmsg);
2403 switch (req->rq_reqmsg->lm_magic) {
2404 case LUSTRE_MSG_MAGIC_V2:
2405 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2407 CERROR("bad lustre msg magic: %#08X\n",
2408 req->rq_reqmsg->lm_magic);
2413 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2415 LASSERT(req->rq_repmsg);
2417 switch (req->rq_repmsg->lm_magic) {
2418 case LUSTRE_MSG_MAGIC_V2:
2419 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2421 /* uninitialized yet */
2426 void _debug_req(struct ptlrpc_request *req,
2427 struct libcfs_debug_msg_data *msgdata,
2428 const char *fmt, ... )
2430 int req_ok = req->rq_reqmsg != NULL;
2431 int rep_ok = req->rq_repmsg != NULL;
2432 lnet_nid_t nid = LNET_NID_ANY;
2435 if (ptlrpc_req_need_swab(req)) {
2436 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2437 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2440 if (req->rq_import && req->rq_import->imp_connection)
2441 nid = req->rq_import->imp_connection->c_peer.nid;
2442 else if (req->rq_export && req->rq_export->exp_connection)
2443 nid = req->rq_export->exp_connection->c_peer.nid;
2445 va_start(args, fmt);
2446 libcfs_debug_vmsg2(msgdata, fmt, args,
2447 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2448 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2449 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2450 req, req->rq_xid, req->rq_transno,
2451 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2452 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2454 req->rq_import->imp_obd->obd_name :
2456 req->rq_export->exp_client_uuid.uuid :
2458 libcfs_nid2str(nid),
2459 req->rq_request_portal, req->rq_reply_portal,
2460 req->rq_reqlen, req->rq_replen,
2461 req->rq_early_count, req->rq_timedout,
2463 cfs_atomic_read(&req->rq_refcount),
2464 DEBUG_REQ_FLAGS(req),
2465 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2466 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2468 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2471 EXPORT_SYMBOL(_debug_req);
2473 void lustre_swab_lustre_capa(struct lustre_capa *c)
2475 lustre_swab_lu_fid(&c->lc_fid);
2476 __swab64s (&c->lc_opc);
2477 __swab64s (&c->lc_uid);
2478 __swab64s (&c->lc_gid);
2479 __swab32s (&c->lc_flags);
2480 __swab32s (&c->lc_keyid);
2481 __swab32s (&c->lc_timeout);
2482 __swab32s (&c->lc_expiry);
2484 EXPORT_SYMBOL(lustre_swab_lustre_capa);
2486 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2488 __swab64s (&k->lk_seq);
2489 __swab32s (&k->lk_keyid);
2490 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2492 EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
2494 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2496 __swab32s(&state->hus_states);
2497 __swab32s(&state->hus_archive_id);
2499 EXPORT_SYMBOL(lustre_swab_hsm_user_state);
2501 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2503 __swab32s(&hss->hss_valid);
2504 __swab64s(&hss->hss_setmask);
2505 __swab64s(&hss->hss_clearmask);
2506 __swab32s(&hss->hss_archive_id);
2508 EXPORT_SYMBOL(lustre_swab_hsm_state_set);
2510 void lustre_swab_hsm_extent(struct hsm_extent *extent)
2512 __swab64s(&extent->offset);
2513 __swab64s(&extent->length);
2516 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2518 __swab32s(&action->hca_state);
2519 __swab32s(&action->hca_action);
2520 lustre_swab_hsm_extent(&action->hca_location);
2522 EXPORT_SYMBOL(lustre_swab_hsm_current_action);
2524 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2526 lustre_swab_lu_fid(&hui->hui_fid);
2527 lustre_swab_hsm_extent(&hui->hui_extent);
2529 EXPORT_SYMBOL(lustre_swab_hsm_user_item);
2531 void lustre_swab_layout_intent(struct layout_intent *li)
2533 __swab32s(&li->li_opc);
2534 __swab32s(&li->li_flags);
2535 __swab64s(&li->li_start);
2536 __swab64s(&li->li_end);
2538 EXPORT_SYMBOL(lustre_swab_layout_intent);
2540 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2542 lustre_swab_lu_fid(&hpk->hpk_fid);
2543 __swab64s(&hpk->hpk_cookie);
2544 __swab64s(&hpk->hpk_extent.offset);
2545 __swab64s(&hpk->hpk_extent.length);
2546 __swab16s(&hpk->hpk_flags);
2547 __swab16s(&hpk->hpk_errval);
2549 EXPORT_SYMBOL(lustre_swab_hsm_progress_kernel);
2551 void lustre_swab_hsm_request(struct hsm_request *hr)
2553 __swab32s(&hr->hr_action);
2554 __swab32s(&hr->hr_archive_id);
2555 __swab64s(&hr->hr_flags);
2556 __swab32s(&hr->hr_itemcount);
2557 __swab32s(&hr->hr_data_len);
2559 EXPORT_SYMBOL(lustre_swab_hsm_request);
2561 void lustre_swab_update_buf(struct update_buf *ub)
2563 __swab32s(&ub->ub_magic);
2564 __swab32s(&ub->ub_count);
2566 EXPORT_SYMBOL(lustre_swab_update_buf);
2568 void lustre_swab_update_reply_buf(struct update_reply *ur)
2572 __swab32s(&ur->ur_version);
2573 __swab32s(&ur->ur_count);
2574 for (i = 0; i < ur->ur_count; i++)
2575 __swab32s(&ur->ur_lens[i]);
2577 EXPORT_SYMBOL(lustre_swab_update_reply_buf);
2579 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2581 __swab64s(&msl->msl_flags);
2583 EXPORT_SYMBOL(lustre_swab_swap_layouts);
2585 void lustre_swab_close_data(struct close_data *cd)
2587 lustre_swab_lu_fid(&cd->cd_fid);
2588 __swab64s(&cd->cd_data_version);
2590 EXPORT_SYMBOL(lustre_swab_close_data);