4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, 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_svcpt = svcpt;
320 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
322 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
324 spin_lock(&svcpt->scp_rep_lock);
325 cfs_list_add(&rs->rs_list, &svcpt->scp_rep_idle);
326 spin_unlock(&svcpt->scp_rep_lock);
327 cfs_waitq_signal(&svcpt->scp_rep_waitq);
330 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
331 __u32 *lens, char **bufs, int flags)
333 struct ptlrpc_reply_state *rs;
337 LASSERT(req->rq_reply_state == NULL);
339 if ((flags & LPRFL_EARLY_REPLY) == 0) {
340 spin_lock(&req->rq_lock);
341 req->rq_packed_final = 1;
342 spin_unlock(&req->rq_lock);
345 msg_len = lustre_msg_size_v2(count, lens);
346 rc = sptlrpc_svc_alloc_rs(req, msg_len);
350 rs = req->rq_reply_state;
351 cfs_atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
352 rs->rs_cb_id.cbid_fn = reply_out_callback;
353 rs->rs_cb_id.cbid_arg = rs;
354 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
355 CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
356 CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
357 CFS_INIT_LIST_HEAD(&rs->rs_list);
358 spin_lock_init(&rs->rs_lock);
360 req->rq_replen = msg_len;
361 req->rq_reply_state = rs;
362 req->rq_repmsg = rs->rs_msg;
364 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
365 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
367 PTLRPC_RS_DEBUG_LRU_ADD(rs);
371 EXPORT_SYMBOL(lustre_pack_reply_v2);
373 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
374 char **bufs, int flags)
377 __u32 size[] = { sizeof(struct ptlrpc_body) };
385 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
387 switch (req->rq_reqmsg->lm_magic) {
388 case LUSTRE_MSG_MAGIC_V2:
389 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
392 LASSERTF(0, "incorrect message magic: %08x\n",
393 req->rq_reqmsg->lm_magic);
397 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
398 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
401 EXPORT_SYMBOL(lustre_pack_reply_flags);
403 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
406 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
408 EXPORT_SYMBOL(lustre_pack_reply);
410 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
412 int i, offset, buflen, bufcount;
417 bufcount = m->lm_bufcount;
418 if (unlikely(n >= bufcount)) {
419 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
424 buflen = m->lm_buflens[n];
425 if (unlikely(buflen < min_size)) {
426 CERROR("msg %p buffer[%d] size %d too small "
427 "(required %d, opc=%d)\n", m, n, buflen, min_size,
428 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
432 offset = lustre_msg_hdr_size_v2(bufcount);
433 for (i = 0; i < n; i++)
434 offset += cfs_size_round(m->lm_buflens[i]);
436 return (char *)m + offset;
439 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
441 switch (m->lm_magic) {
442 case LUSTRE_MSG_MAGIC_V2:
443 return lustre_msg_buf_v2(m, n, min_size);
445 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
449 EXPORT_SYMBOL(lustre_msg_buf);
451 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
452 unsigned int newlen, int move_data)
454 char *tail = NULL, *newpos;
458 LASSERT(msg->lm_bufcount > segment);
459 LASSERT(msg->lm_buflens[segment] >= newlen);
461 if (msg->lm_buflens[segment] == newlen)
464 if (move_data && msg->lm_bufcount > segment + 1) {
465 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
466 for (n = segment + 1; n < msg->lm_bufcount; n++)
467 tail_len += cfs_size_round(msg->lm_buflens[n]);
470 msg->lm_buflens[segment] = newlen;
472 if (tail && tail_len) {
473 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
474 LASSERT(newpos <= tail);
476 memmove(newpos, tail, tail_len);
479 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
483 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
484 * we also move data forward from @segment + 1.
486 * if @newlen == 0, we remove the segment completely, but we still keep the
487 * totally bufcount the same to save possible data moving. this will leave a
488 * unused segment with size 0 at the tail, but that's ok.
490 * return new msg size after shrinking.
493 * + if any buffers higher than @segment has been filled in, must call shrink
494 * with non-zero @move_data.
495 * + caller should NOT keep pointers to msg buffers which higher than @segment
498 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
499 unsigned int newlen, int move_data)
501 switch (msg->lm_magic) {
502 case LUSTRE_MSG_MAGIC_V2:
503 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
505 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
508 EXPORT_SYMBOL(lustre_shrink_msg);
510 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
512 PTLRPC_RS_DEBUG_LRU_DEL(rs);
514 LASSERT (cfs_atomic_read(&rs->rs_refcount) == 0);
515 LASSERT (!rs->rs_difficult || rs->rs_handled);
516 LASSERT (!rs->rs_on_net);
517 LASSERT (!rs->rs_scheduled);
518 LASSERT (rs->rs_export == NULL);
519 LASSERT (rs->rs_nlocks == 0);
520 LASSERT (cfs_list_empty(&rs->rs_exp_list));
521 LASSERT (cfs_list_empty(&rs->rs_obd_list));
523 sptlrpc_svc_free_rs(rs);
525 EXPORT_SYMBOL(lustre_free_reply_state);
527 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
529 int swabbed, required_len, i;
531 /* Now we know the sender speaks my language. */
532 required_len = lustre_msg_hdr_size_v2(0);
533 if (len < required_len) {
534 /* can't even look inside the message */
535 CERROR("message length %d too small for lustre_msg\n", len);
539 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
542 __swab32s(&m->lm_magic);
543 __swab32s(&m->lm_bufcount);
544 __swab32s(&m->lm_secflvr);
545 __swab32s(&m->lm_repsize);
546 __swab32s(&m->lm_cksum);
547 __swab32s(&m->lm_flags);
548 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
549 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
552 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
553 if (len < required_len) {
554 /* didn't receive all the buffer lengths */
555 CERROR ("message length %d too small for %d buflens\n",
556 len, m->lm_bufcount);
560 for (i = 0; i < m->lm_bufcount; i++) {
562 __swab32s(&m->lm_buflens[i]);
563 required_len += cfs_size_round(m->lm_buflens[i]);
566 if (len < required_len) {
567 CERROR("len: %d, required_len %d\n", len, required_len);
568 CERROR("bufcount: %d\n", m->lm_bufcount);
569 for (i = 0; i < m->lm_bufcount; i++)
570 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
577 int __lustre_unpack_msg(struct lustre_msg *m, int len)
579 int required_len, rc;
582 /* We can provide a slightly better error log, if we check the
583 * message magic and version first. In the future, struct
584 * lustre_msg may grow, and we'd like to log a version mismatch,
585 * rather than a short message.
588 required_len = offsetof(struct lustre_msg, lm_magic) +
590 if (len < required_len) {
591 /* can't even look inside the message */
592 CERROR("message length %d too small for magic/version check\n",
597 rc = lustre_unpack_msg_v2(m, len);
601 EXPORT_SYMBOL(__lustre_unpack_msg);
603 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
606 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
608 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
613 EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
615 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
618 rc = __lustre_unpack_msg(req->rq_repmsg, len);
620 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
625 EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
627 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
628 const int inout, int offset)
630 struct ptlrpc_body *pb;
631 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
633 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
635 CERROR("error unpacking ptlrpc body\n");
638 if (ptlrpc_buf_need_swab(req, inout, offset)) {
639 lustre_swab_ptlrpc_body(pb);
640 ptlrpc_buf_set_swabbed(req, inout, offset);
643 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
644 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
651 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
653 switch (req->rq_reqmsg->lm_magic) {
654 case LUSTRE_MSG_MAGIC_V2:
655 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
657 CERROR("bad lustre msg magic: %08x\n",
658 req->rq_reqmsg->lm_magic);
663 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
665 switch (req->rq_repmsg->lm_magic) {
666 case LUSTRE_MSG_MAGIC_V2:
667 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
669 CERROR("bad lustre msg magic: %08x\n",
670 req->rq_repmsg->lm_magic);
675 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
677 if (n >= m->lm_bufcount)
680 return m->lm_buflens[n];
684 * lustre_msg_buflen - return the length of buffer \a n in message \a m
685 * \param m lustre_msg (request or reply) to look at
686 * \param n message index (base 0)
688 * returns zero for non-existent message indices
690 int lustre_msg_buflen(struct lustre_msg *m, int n)
692 switch (m->lm_magic) {
693 case LUSTRE_MSG_MAGIC_V2:
694 return lustre_msg_buflen_v2(m, n);
696 CERROR("incorrect message magic: %08x\n", m->lm_magic);
700 EXPORT_SYMBOL(lustre_msg_buflen);
703 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
705 if (n >= m->lm_bufcount)
708 m->lm_buflens[n] = len;
711 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
713 switch (m->lm_magic) {
714 case LUSTRE_MSG_MAGIC_V2:
715 lustre_msg_set_buflen_v2(m, n, len);
718 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
722 EXPORT_SYMBOL(lustre_msg_set_buflen);
724 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
725 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
726 int lustre_msg_bufcount(struct lustre_msg *m)
728 switch (m->lm_magic) {
729 case LUSTRE_MSG_MAGIC_V2:
730 return m->lm_bufcount;
732 CERROR("incorrect message magic: %08x\n", m->lm_magic);
736 EXPORT_SYMBOL(lustre_msg_bufcount);
738 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
740 /* max_len == 0 means the string should fill the buffer */
744 switch (m->lm_magic) {
745 case LUSTRE_MSG_MAGIC_V2:
746 str = lustre_msg_buf_v2(m, index, 0);
747 blen = lustre_msg_buflen_v2(m, index);
750 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
754 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
758 slen = strnlen(str, blen);
760 if (slen == blen) { /* not NULL terminated */
761 CERROR("can't unpack non-NULL terminated string in "
762 "msg %p buffer[%d] len %d\n", m, index, blen);
767 if (slen != blen - 1) {
768 CERROR("can't unpack short string in msg %p "
769 "buffer[%d] len %d: strlen %d\n",
770 m, index, blen, slen);
773 } else if (slen > max_len) {
774 CERROR("can't unpack oversized string in msg %p "
775 "buffer[%d] len %d strlen %d: max %d expected\n",
776 m, index, blen, slen, max_len);
782 EXPORT_SYMBOL(lustre_msg_string);
784 /* Wrap up the normal fixed length cases */
785 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
786 int min_size, void *swabber)
790 LASSERT(msg != NULL);
791 switch (msg->lm_magic) {
792 case LUSTRE_MSG_MAGIC_V2:
793 ptr = lustre_msg_buf_v2(msg, index, min_size);
796 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
800 ((void (*)(void *))swabber)(ptr);
805 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
807 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
808 sizeof(struct ptlrpc_body_v2));
811 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
813 switch (msg->lm_magic) {
814 case LUSTRE_MSG_MAGIC_V1:
815 case LUSTRE_MSG_MAGIC_V1_SWABBED:
817 case LUSTRE_MSG_MAGIC_V2:
818 /* already in host endian */
819 return msg->lm_flags;
821 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
825 EXPORT_SYMBOL(lustre_msghdr_get_flags);
827 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
829 switch (msg->lm_magic) {
830 case LUSTRE_MSG_MAGIC_V1:
832 case LUSTRE_MSG_MAGIC_V2:
833 msg->lm_flags = flags;
836 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
840 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
842 switch (msg->lm_magic) {
843 case LUSTRE_MSG_MAGIC_V2: {
844 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
846 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
852 /* flags might be printed in debug code while message
857 EXPORT_SYMBOL(lustre_msg_get_flags);
859 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
861 switch (msg->lm_magic) {
862 case LUSTRE_MSG_MAGIC_V2: {
863 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
864 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
865 pb->pb_flags |= flags;
869 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
872 EXPORT_SYMBOL(lustre_msg_add_flags);
874 void lustre_msg_set_flags(struct lustre_msg *msg, int 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, "invalid msg %p: no ptlrpc body!\n", msg);
880 pb->pb_flags = flags;
884 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
887 EXPORT_SYMBOL(lustre_msg_set_flags);
889 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
891 switch (msg->lm_magic) {
892 case LUSTRE_MSG_MAGIC_V2: {
893 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
894 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
895 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
899 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
902 EXPORT_SYMBOL(lustre_msg_clear_flags);
904 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
906 switch (msg->lm_magic) {
907 case LUSTRE_MSG_MAGIC_V2: {
908 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
910 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
913 return pb->pb_op_flags;
919 EXPORT_SYMBOL(lustre_msg_get_op_flags);
921 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
923 switch (msg->lm_magic) {
924 case LUSTRE_MSG_MAGIC_V2: {
925 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
926 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
927 pb->pb_op_flags |= flags;
931 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
934 EXPORT_SYMBOL(lustre_msg_add_op_flags);
936 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
938 switch (msg->lm_magic) {
939 case LUSTRE_MSG_MAGIC_V2: {
940 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
941 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
942 pb->pb_op_flags |= flags;
946 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
949 EXPORT_SYMBOL(lustre_msg_set_op_flags);
951 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
953 switch (msg->lm_magic) {
954 case LUSTRE_MSG_MAGIC_V2: {
955 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
957 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
960 return &pb->pb_handle;
963 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
967 EXPORT_SYMBOL(lustre_msg_get_handle);
969 __u32 lustre_msg_get_type(struct lustre_msg *msg)
971 switch (msg->lm_magic) {
972 case LUSTRE_MSG_MAGIC_V2: {
973 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
975 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
976 return PTL_RPC_MSG_ERR;
981 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
982 return PTL_RPC_MSG_ERR;
985 EXPORT_SYMBOL(lustre_msg_get_type);
987 __u32 lustre_msg_get_version(struct lustre_msg *msg)
989 switch (msg->lm_magic) {
990 case LUSTRE_MSG_MAGIC_V2: {
991 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
993 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
996 return pb->pb_version;
999 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1003 EXPORT_SYMBOL(lustre_msg_get_version);
1005 void lustre_msg_add_version(struct lustre_msg *msg, int version)
1007 switch (msg->lm_magic) {
1008 case LUSTRE_MSG_MAGIC_V2: {
1009 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1010 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1011 pb->pb_version |= version;
1015 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1018 EXPORT_SYMBOL(lustre_msg_add_version);
1020 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1022 switch (msg->lm_magic) {
1023 case LUSTRE_MSG_MAGIC_V2: {
1024 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1026 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1032 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1037 EXPORT_SYMBOL(lustre_msg_get_opc);
1039 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1041 switch (msg->lm_magic) {
1042 case LUSTRE_MSG_MAGIC_V2: {
1043 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1045 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1048 return pb->pb_last_xid;
1051 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1055 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1057 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1059 switch (msg->lm_magic) {
1060 case LUSTRE_MSG_MAGIC_V2: {
1061 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1063 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1066 return pb->pb_last_committed;
1069 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1073 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1075 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1077 switch (msg->lm_magic) {
1078 case LUSTRE_MSG_MAGIC_V1:
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_pre_versions;
1089 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1093 EXPORT_SYMBOL(lustre_msg_get_versions);
1095 __u64 lustre_msg_get_transno(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 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1104 return pb->pb_transno;
1107 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1111 EXPORT_SYMBOL(lustre_msg_get_transno);
1113 int lustre_msg_get_status(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);
1122 return pb->pb_status;
1125 /* status might be printed in debug code while message
1130 EXPORT_SYMBOL(lustre_msg_get_status);
1132 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1134 switch (msg->lm_magic) {
1135 case LUSTRE_MSG_MAGIC_V2: {
1136 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1138 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1144 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1148 EXPORT_SYMBOL(lustre_msg_get_slv);
1151 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1153 switch (msg->lm_magic) {
1154 case LUSTRE_MSG_MAGIC_V2: {
1155 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1157 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1164 CERROR("invalid msg magic %x\n", msg->lm_magic);
1168 EXPORT_SYMBOL(lustre_msg_set_slv);
1170 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1172 switch (msg->lm_magic) {
1173 case LUSTRE_MSG_MAGIC_V2: {
1174 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1176 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1179 return pb->pb_limit;
1182 CERROR("invalid msg magic %x\n", msg->lm_magic);
1186 EXPORT_SYMBOL(lustre_msg_get_limit);
1189 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1191 switch (msg->lm_magic) {
1192 case LUSTRE_MSG_MAGIC_V2: {
1193 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1195 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1198 pb->pb_limit = limit;
1202 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1206 EXPORT_SYMBOL(lustre_msg_set_limit);
1208 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1210 switch (msg->lm_magic) {
1211 case LUSTRE_MSG_MAGIC_V2: {
1212 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1214 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1217 return pb->pb_conn_cnt;
1220 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1224 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1226 int lustre_msg_is_v1(struct lustre_msg *msg)
1228 switch (msg->lm_magic) {
1229 case LUSTRE_MSG_MAGIC_V1:
1230 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1236 EXPORT_SYMBOL(lustre_msg_is_v1);
1238 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1240 switch (msg->lm_magic) {
1241 case LUSTRE_MSG_MAGIC_V2:
1242 return msg->lm_magic;
1244 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1248 EXPORT_SYMBOL(lustre_msg_get_magic);
1250 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1252 switch (msg->lm_magic) {
1253 case LUSTRE_MSG_MAGIC_V1:
1254 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1256 case LUSTRE_MSG_MAGIC_V2: {
1257 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1259 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1263 return pb->pb_timeout;
1266 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1271 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1273 switch (msg->lm_magic) {
1274 case LUSTRE_MSG_MAGIC_V1:
1275 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1277 case LUSTRE_MSG_MAGIC_V2: {
1278 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1280 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1284 return pb->pb_service_time;
1287 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1292 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1294 switch (msg->lm_magic) {
1295 case LUSTRE_MSG_MAGIC_V1:
1296 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1298 case LUSTRE_MSG_MAGIC_V2: {
1299 struct ptlrpc_body *pb =
1300 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1301 sizeof(struct ptlrpc_body));
1305 return pb->pb_jobid;
1308 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1312 EXPORT_SYMBOL(lustre_msg_get_jobid);
1314 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1316 switch (msg->lm_magic) {
1317 case LUSTRE_MSG_MAGIC_V2:
1318 return msg->lm_cksum;
1320 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1325 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0)
1327 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1328 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1329 * more sense to compute the checksum on the full ptlrpc_body, regardless
1330 * of what size it is, but in order to keep interoperability with 1.8 we
1331 * can optionally also checksum only the first 88 bytes (caller decides). */
1332 # define ptlrpc_body_cksum_size_compat18 88
1334 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1336 # warning "remove checksum compatibility support for b1_8"
1337 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1340 switch (msg->lm_magic) {
1341 case LUSTRE_MSG_MAGIC_V2: {
1342 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1343 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0)
1345 unsigned int hsize = 4;
1346 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1347 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1348 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1349 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1350 len, NULL, 0, (unsigned char *)&crc,
1354 # warning "remove checksum compatibility support for b1_8"
1356 unsigned int hsize = 4;
1357 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1358 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF),
1359 NULL, 0, (unsigned char *)&crc, &hsize);
1364 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1369 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1371 switch (msg->lm_magic) {
1372 case LUSTRE_MSG_MAGIC_V2: {
1373 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1374 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1375 pb->pb_handle = *handle;
1379 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1382 EXPORT_SYMBOL(lustre_msg_set_handle);
1384 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1386 switch (msg->lm_magic) {
1387 case LUSTRE_MSG_MAGIC_V2: {
1388 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1389 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1394 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1397 EXPORT_SYMBOL(lustre_msg_set_type);
1399 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1401 switch (msg->lm_magic) {
1402 case LUSTRE_MSG_MAGIC_V2: {
1403 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1404 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1409 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1412 EXPORT_SYMBOL(lustre_msg_set_opc);
1414 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1416 switch (msg->lm_magic) {
1417 case LUSTRE_MSG_MAGIC_V2: {
1418 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1419 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1420 pb->pb_last_xid = last_xid;
1424 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1427 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1429 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1431 switch (msg->lm_magic) {
1432 case LUSTRE_MSG_MAGIC_V2: {
1433 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1434 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1435 pb->pb_last_committed = last_committed;
1439 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1442 EXPORT_SYMBOL(lustre_msg_set_last_committed);
1444 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1446 switch (msg->lm_magic) {
1447 case LUSTRE_MSG_MAGIC_V1:
1449 case LUSTRE_MSG_MAGIC_V2: {
1450 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1451 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1452 pb->pb_pre_versions[0] = versions[0];
1453 pb->pb_pre_versions[1] = versions[1];
1454 pb->pb_pre_versions[2] = versions[2];
1455 pb->pb_pre_versions[3] = versions[3];
1459 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1462 EXPORT_SYMBOL(lustre_msg_set_versions);
1464 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1466 switch (msg->lm_magic) {
1467 case LUSTRE_MSG_MAGIC_V2: {
1468 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1469 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1470 pb->pb_transno = transno;
1474 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1477 EXPORT_SYMBOL(lustre_msg_set_transno);
1479 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1481 switch (msg->lm_magic) {
1482 case LUSTRE_MSG_MAGIC_V2: {
1483 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1484 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1485 pb->pb_status = status;
1489 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1492 EXPORT_SYMBOL(lustre_msg_set_status);
1494 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1496 switch (msg->lm_magic) {
1497 case LUSTRE_MSG_MAGIC_V2: {
1498 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1499 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1500 pb->pb_conn_cnt = conn_cnt;
1504 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1507 EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
1509 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1511 switch (msg->lm_magic) {
1512 case LUSTRE_MSG_MAGIC_V1:
1514 case LUSTRE_MSG_MAGIC_V2: {
1515 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1516 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1517 pb->pb_timeout = timeout;
1521 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1525 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1527 switch (msg->lm_magic) {
1528 case LUSTRE_MSG_MAGIC_V1:
1530 case LUSTRE_MSG_MAGIC_V2: {
1531 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1532 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1533 pb->pb_service_time = service_time;
1537 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1541 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1543 switch (msg->lm_magic) {
1544 case LUSTRE_MSG_MAGIC_V1:
1546 case LUSTRE_MSG_MAGIC_V2: {
1547 __u32 opc = lustre_msg_get_opc(msg);
1548 struct ptlrpc_body *pb;
1550 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1551 * See the comment in ptlrpc_request_pack(). */
1552 if (!opc || opc == LDLM_BL_CALLBACK ||
1553 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1556 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1557 sizeof(struct ptlrpc_body));
1558 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1561 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1562 else if (pb->pb_jobid[0] == '\0')
1563 lustre_get_jobid(pb->pb_jobid);
1567 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1570 EXPORT_SYMBOL(lustre_msg_set_jobid);
1572 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1574 switch (msg->lm_magic) {
1575 case LUSTRE_MSG_MAGIC_V1:
1577 case LUSTRE_MSG_MAGIC_V2:
1578 msg->lm_cksum = cksum;
1581 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1586 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1588 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1590 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1591 req->rq_pill.rc_area[RCL_SERVER]);
1592 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1593 req->rq_reqmsg->lm_repsize = req->rq_replen;
1595 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1597 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1599 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1600 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1601 req->rq_reqmsg->lm_repsize = req->rq_replen;
1603 EXPORT_SYMBOL(ptlrpc_req_set_repsize);
1606 * Send a remote set_info_async.
1608 * This may go from client to server or server to client.
1610 int do_set_info_async(struct obd_import *imp,
1611 int opcode, int version,
1612 obd_count keylen, void *key,
1613 obd_count vallen, void *val,
1614 struct ptlrpc_request_set *set)
1616 struct ptlrpc_request *req;
1621 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1625 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1626 RCL_CLIENT, keylen);
1627 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1628 RCL_CLIENT, vallen);
1629 rc = ptlrpc_request_pack(req, version, opcode);
1631 ptlrpc_request_free(req);
1635 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1636 memcpy(tmp, key, keylen);
1637 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1638 memcpy(tmp, val, vallen);
1640 ptlrpc_request_set_replen(req);
1643 ptlrpc_set_add_req(set, req);
1644 ptlrpc_check_set(NULL, set);
1646 rc = ptlrpc_queue_wait(req);
1647 ptlrpc_req_finished(req);
1652 EXPORT_SYMBOL(do_set_info_async);
1654 /* byte flipping routines for all wire types declared in
1655 * lustre_idl.h implemented here.
1657 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1659 __swab32s (&b->pb_type);
1660 __swab32s (&b->pb_version);
1661 __swab32s (&b->pb_opc);
1662 __swab32s (&b->pb_status);
1663 __swab64s (&b->pb_last_xid);
1664 __swab64s (&b->pb_last_seen);
1665 __swab64s (&b->pb_last_committed);
1666 __swab64s (&b->pb_transno);
1667 __swab32s (&b->pb_flags);
1668 __swab32s (&b->pb_op_flags);
1669 __swab32s (&b->pb_conn_cnt);
1670 __swab32s (&b->pb_timeout);
1671 __swab32s (&b->pb_service_time);
1672 __swab32s (&b->pb_limit);
1673 __swab64s (&b->pb_slv);
1674 __swab64s (&b->pb_pre_versions[0]);
1675 __swab64s (&b->pb_pre_versions[1]);
1676 __swab64s (&b->pb_pre_versions[2]);
1677 __swab64s (&b->pb_pre_versions[3]);
1678 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1679 /* While we need to maintain compatibility between
1680 * clients and servers without ptlrpc_body_v2 (< 2.3)
1681 * do not swab any fields beyond pb_jobid, as we are
1682 * using this swab function for both ptlrpc_body
1683 * and ptlrpc_body_v2. */
1684 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1686 EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
1688 void lustre_swab_connect(struct obd_connect_data *ocd)
1690 __swab64s(&ocd->ocd_connect_flags);
1691 __swab32s(&ocd->ocd_version);
1692 __swab32s(&ocd->ocd_grant);
1693 __swab64s(&ocd->ocd_ibits_known);
1694 __swab32s(&ocd->ocd_index);
1695 __swab32s(&ocd->ocd_brw_size);
1696 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1697 * they are 8-byte values */
1698 __swab16s(&ocd->ocd_grant_extent);
1699 __swab32s(&ocd->ocd_unused);
1700 __swab64s(&ocd->ocd_transno);
1701 __swab32s(&ocd->ocd_group);
1702 __swab32s(&ocd->ocd_cksum_types);
1703 __swab32s(&ocd->ocd_instance);
1704 /* Fields after ocd_cksum_types are only accessible by the receiver
1705 * if the corresponding flag in ocd_connect_flags is set. Accessing
1706 * any field after ocd_maxbytes on the receiver without a valid flag
1707 * may result in out-of-bound memory access and kernel oops. */
1708 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1709 __swab32s(&ocd->ocd_max_easize);
1710 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1711 __swab64s(&ocd->ocd_maxbytes);
1712 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1713 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1714 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1715 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1716 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1717 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1718 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1719 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1720 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1721 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1722 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1723 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1724 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1725 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1726 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1729 void lustre_swab_ost_id(struct ost_id *oid)
1731 __swab64s(&oid->oi_id);
1732 __swab64s(&oid->oi_seq);
1734 EXPORT_SYMBOL(lustre_swab_ost_id);
1736 void lustre_swab_obdo (struct obdo *o)
1738 __swab64s (&o->o_valid);
1739 lustre_swab_ost_id(&o->o_oi);
1740 __swab64s (&o->o_parent_seq);
1741 __swab64s (&o->o_size);
1742 __swab64s (&o->o_mtime);
1743 __swab64s (&o->o_atime);
1744 __swab64s (&o->o_ctime);
1745 __swab64s (&o->o_blocks);
1746 __swab64s (&o->o_grant);
1747 __swab32s (&o->o_blksize);
1748 __swab32s (&o->o_mode);
1749 __swab32s (&o->o_uid);
1750 __swab32s (&o->o_gid);
1751 __swab32s (&o->o_flags);
1752 __swab32s (&o->o_nlink);
1753 __swab32s (&o->o_parent_oid);
1754 __swab32s (&o->o_misc);
1755 __swab64s (&o->o_ioepoch);
1756 __swab32s (&o->o_stripe_idx);
1757 __swab32s (&o->o_parent_ver);
1758 /* o_handle is opaque */
1759 /* o_lcookie is swabbed elsewhere */
1760 __swab32s (&o->o_uid_h);
1761 __swab32s (&o->o_gid_h);
1762 __swab64s (&o->o_data_version);
1763 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1764 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1765 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1768 EXPORT_SYMBOL(lustre_swab_obdo);
1770 void lustre_swab_obd_statfs (struct obd_statfs *os)
1772 __swab64s (&os->os_type);
1773 __swab64s (&os->os_blocks);
1774 __swab64s (&os->os_bfree);
1775 __swab64s (&os->os_bavail);
1776 __swab64s (&os->os_files);
1777 __swab64s (&os->os_ffree);
1778 /* no need to swab os_fsid */
1779 __swab32s (&os->os_bsize);
1780 __swab32s (&os->os_namelen);
1781 __swab64s (&os->os_maxbytes);
1782 __swab32s (&os->os_state);
1783 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1784 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1785 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1786 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1787 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1788 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1789 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1790 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1791 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1793 EXPORT_SYMBOL(lustre_swab_obd_statfs);
1795 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1797 __swab64s(&ioo->ioo_id);
1798 __swab64s(&ioo->ioo_seq);
1799 __swab32s(&ioo->ioo_max_brw);
1800 __swab32s(&ioo->ioo_bufcnt);
1802 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
1804 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1806 __swab64s (&nbr->offset);
1807 __swab32s (&nbr->len);
1808 __swab32s (&nbr->flags);
1810 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
1812 void lustre_swab_ost_body (struct ost_body *b)
1814 lustre_swab_obdo (&b->oa);
1816 EXPORT_SYMBOL(lustre_swab_ost_body);
1818 void lustre_swab_ost_last_id(obd_id *id)
1822 EXPORT_SYMBOL(lustre_swab_ost_last_id);
1824 void lustre_swab_generic_32s(__u32 *val)
1828 EXPORT_SYMBOL(lustre_swab_generic_32s);
1830 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1832 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1833 __swab64s(&desc->lquota_desc.gl_flags);
1834 __swab64s(&desc->lquota_desc.gl_ver);
1835 __swab64s(&desc->lquota_desc.gl_hardlimit);
1836 __swab64s(&desc->lquota_desc.gl_softlimit);
1837 __swab64s(&desc->lquota_desc.gl_time);
1838 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1841 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1843 __swab64s(&lvb->lvb_size);
1844 __swab64s(&lvb->lvb_mtime);
1845 __swab64s(&lvb->lvb_atime);
1846 __swab64s(&lvb->lvb_ctime);
1847 __swab64s(&lvb->lvb_blocks);
1849 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1851 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1853 __swab64s(&lvb->lvb_size);
1854 __swab64s(&lvb->lvb_mtime);
1855 __swab64s(&lvb->lvb_atime);
1856 __swab64s(&lvb->lvb_ctime);
1857 __swab64s(&lvb->lvb_blocks);
1858 __swab32s(&lvb->lvb_mtime_ns);
1859 __swab32s(&lvb->lvb_atime_ns);
1860 __swab32s(&lvb->lvb_ctime_ns);
1861 __swab32s(&lvb->lvb_padding);
1863 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1865 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1867 __swab64s(&lvb->lvb_flags);
1868 __swab64s(&lvb->lvb_id_may_rel);
1869 __swab64s(&lvb->lvb_id_rel);
1870 __swab64s(&lvb->lvb_id_qunit);
1871 __swab64s(&lvb->lvb_pad1);
1873 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1875 void lustre_swab_mdt_body (struct mdt_body *b)
1877 lustre_swab_lu_fid (&b->fid1);
1878 lustre_swab_lu_fid (&b->fid2);
1879 /* handle is opaque */
1880 __swab64s (&b->valid);
1881 __swab64s (&b->size);
1882 __swab64s (&b->mtime);
1883 __swab64s (&b->atime);
1884 __swab64s (&b->ctime);
1885 __swab64s (&b->blocks);
1886 __swab64s (&b->ioepoch);
1887 CLASSERT(offsetof(typeof(*b), unused1) != 0);
1888 __swab32s (&b->fsuid);
1889 __swab32s (&b->fsgid);
1890 __swab32s (&b->capability);
1891 __swab32s (&b->mode);
1892 __swab32s (&b->uid);
1893 __swab32s (&b->gid);
1894 __swab32s (&b->flags);
1895 __swab32s (&b->rdev);
1896 __swab32s (&b->nlink);
1897 CLASSERT(offsetof(typeof(*b), unused2) != 0);
1898 __swab32s (&b->suppgid);
1899 __swab32s (&b->eadatasize);
1900 __swab32s (&b->aclsize);
1901 __swab32s (&b->max_mdsize);
1902 __swab32s (&b->max_cookiesize);
1903 __swab32s (&b->uid_h);
1904 __swab32s (&b->gid_h);
1905 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1907 EXPORT_SYMBOL(lustre_swab_mdt_body);
1909 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1911 /* handle is opaque */
1912 __swab64s (&b->ioepoch);
1913 __swab32s (&b->flags);
1914 CLASSERT(offsetof(typeof(*b), padding) != 0);
1916 EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
1918 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1921 __swab32s(&mti->mti_lustre_ver);
1922 __swab32s(&mti->mti_stripe_index);
1923 __swab32s(&mti->mti_config_ver);
1924 __swab32s(&mti->mti_flags);
1925 __swab32s(&mti->mti_instance);
1926 __swab32s(&mti->mti_nid_count);
1927 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1928 for (i = 0; i < MTI_NIDS_MAX; i++)
1929 __swab64s(&mti->mti_nids[i]);
1931 EXPORT_SYMBOL(lustre_swab_mgs_target_info);
1933 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1937 __swab64s(&entry->mne_version);
1938 __swab32s(&entry->mne_instance);
1939 __swab32s(&entry->mne_index);
1940 __swab32s(&entry->mne_length);
1942 /* mne_nid_(count|type) must be one byte size because we're gonna
1943 * access it w/o swapping. */
1944 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1945 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1947 /* remove this assertion if ipv6 is supported. */
1948 LASSERT(entry->mne_nid_type == 0);
1949 for (i = 0; i < entry->mne_nid_count; i++) {
1950 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1951 __swab64s(&entry->u.nids[i]);
1954 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1956 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1958 __swab64s(&body->mcb_offset);
1959 __swab32s(&body->mcb_units);
1960 __swab16s(&body->mcb_type);
1962 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1964 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1966 __swab64s(&body->mcr_offset);
1967 __swab64s(&body->mcr_size);
1969 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1971 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1973 __swab64s (&i->dqi_bgrace);
1974 __swab64s (&i->dqi_igrace);
1975 __swab32s (&i->dqi_flags);
1976 __swab32s (&i->dqi_valid);
1979 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1981 __swab64s (&b->dqb_ihardlimit);
1982 __swab64s (&b->dqb_isoftlimit);
1983 __swab64s (&b->dqb_curinodes);
1984 __swab64s (&b->dqb_bhardlimit);
1985 __swab64s (&b->dqb_bsoftlimit);
1986 __swab64s (&b->dqb_curspace);
1987 __swab64s (&b->dqb_btime);
1988 __swab64s (&b->dqb_itime);
1989 __swab32s (&b->dqb_valid);
1990 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1993 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1995 __swab32s (&q->qc_cmd);
1996 __swab32s (&q->qc_type);
1997 __swab32s (&q->qc_id);
1998 __swab32s (&q->qc_stat);
1999 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
2000 lustre_swab_obd_dqblk (&q->qc_dqblk);
2002 EXPORT_SYMBOL(lustre_swab_obd_quotactl);
2004 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
2006 __swab32s (&p->rp_uid);
2007 __swab32s (&p->rp_gid);
2008 __swab32s (&p->rp_fsuid);
2009 __swab32s (&p->rp_fsuid_h);
2010 __swab32s (&p->rp_fsgid);
2011 __swab32s (&p->rp_fsgid_h);
2012 __swab32s (&p->rp_access_perm);
2013 __swab32s (&p->rp_padding);
2015 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
2017 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
2019 lustre_swab_lu_fid(&gf->gf_fid);
2020 __swab64s(&gf->gf_recno);
2021 __swab32s(&gf->gf_linkno);
2022 __swab32s(&gf->gf_pathlen);
2024 EXPORT_SYMBOL(lustre_swab_fid2path);
2026 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
2028 __swab64s(&fm_extent->fe_logical);
2029 __swab64s(&fm_extent->fe_physical);
2030 __swab64s(&fm_extent->fe_length);
2031 __swab32s(&fm_extent->fe_flags);
2032 __swab32s(&fm_extent->fe_device);
2035 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
2039 __swab64s(&fiemap->fm_start);
2040 __swab64s(&fiemap->fm_length);
2041 __swab32s(&fiemap->fm_flags);
2042 __swab32s(&fiemap->fm_mapped_extents);
2043 __swab32s(&fiemap->fm_extent_count);
2044 __swab32s(&fiemap->fm_reserved);
2046 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2047 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2049 EXPORT_SYMBOL(lustre_swab_fiemap);
2051 void lustre_swab_idx_info(struct idx_info *ii)
2053 __swab32s(&ii->ii_magic);
2054 __swab32s(&ii->ii_flags);
2055 __swab16s(&ii->ii_count);
2056 __swab32s(&ii->ii_attrs);
2057 lustre_swab_lu_fid(&ii->ii_fid);
2058 __swab64s(&ii->ii_version);
2059 __swab64s(&ii->ii_hash_start);
2060 __swab64s(&ii->ii_hash_end);
2061 __swab16s(&ii->ii_keysize);
2062 __swab16s(&ii->ii_recsize);
2065 void lustre_swab_lip_header(struct lu_idxpage *lip)
2068 __swab32s(&lip->lip_magic);
2069 __swab16s(&lip->lip_flags);
2070 __swab16s(&lip->lip_nr);
2072 EXPORT_SYMBOL(lustre_swab_lip_header);
2074 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2076 __swab32s (&rr->rr_opcode);
2077 __swab32s (&rr->rr_cap);
2078 __swab32s (&rr->rr_fsuid);
2079 /* rr_fsuid_h is unused */
2080 __swab32s (&rr->rr_fsgid);
2081 /* rr_fsgid_h is unused */
2082 __swab32s (&rr->rr_suppgid1);
2083 /* rr_suppgid1_h is unused */
2084 __swab32s (&rr->rr_suppgid2);
2085 /* rr_suppgid2_h is unused */
2086 lustre_swab_lu_fid (&rr->rr_fid1);
2087 lustre_swab_lu_fid (&rr->rr_fid2);
2088 __swab64s (&rr->rr_mtime);
2089 __swab64s (&rr->rr_atime);
2090 __swab64s (&rr->rr_ctime);
2091 __swab64s (&rr->rr_size);
2092 __swab64s (&rr->rr_blocks);
2093 __swab32s (&rr->rr_bias);
2094 __swab32s (&rr->rr_mode);
2095 __swab32s (&rr->rr_flags);
2097 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
2098 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
2099 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2101 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
2103 void lustre_swab_lov_desc (struct lov_desc *ld)
2105 __swab32s (&ld->ld_tgt_count);
2106 __swab32s (&ld->ld_active_tgt_count);
2107 __swab32s (&ld->ld_default_stripe_count);
2108 __swab32s (&ld->ld_pattern);
2109 __swab64s (&ld->ld_default_stripe_size);
2110 __swab64s (&ld->ld_default_stripe_offset);
2111 __swab32s (&ld->ld_qos_maxage);
2112 /* uuid endian insensitive */
2114 EXPORT_SYMBOL(lustre_swab_lov_desc);
2116 void lustre_swab_lmv_desc (struct lmv_desc *ld)
2118 __swab32s (&ld->ld_tgt_count);
2119 __swab32s (&ld->ld_active_tgt_count);
2120 __swab32s (&ld->ld_default_stripe_count);
2121 __swab32s (&ld->ld_pattern);
2122 __swab64s (&ld->ld_default_hash_size);
2123 __swab32s (&ld->ld_qos_maxage);
2124 /* uuid endian insensitive */
2127 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
2129 __swab32s(&mea->mea_magic);
2130 __swab32s(&mea->mea_count);
2131 __swab32s(&mea->mea_master);
2132 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
2135 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2139 __swab32s(&lum->lum_magic);
2140 __swab32s(&lum->lum_stripe_count);
2141 __swab32s(&lum->lum_stripe_offset);
2142 __swab32s(&lum->lum_hash_type);
2143 __swab32s(&lum->lum_type);
2144 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2145 CLASSERT(offsetof(typeof(*lum), lum_padding2) != 0);
2146 CLASSERT(offsetof(typeof(*lum), lum_padding3) != 0);
2148 for (i = 0; i < lum->lum_stripe_count; i++) {
2149 __swab32s(&lum->lum_objects[i].lum_mds);
2150 lustre_swab_lu_fid(&lum->lum_objects[i].lum_fid);
2154 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2156 static void print_lum (struct lov_user_md *lum)
2158 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
2159 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
2160 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2161 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
2162 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_seq);
2163 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2164 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2165 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2166 lum->lmm_stripe_offset);
2169 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2172 __swab32s(&lum->lmm_magic);
2173 __swab32s(&lum->lmm_pattern);
2174 __swab64s(&lum->lmm_object_id);
2175 __swab64s(&lum->lmm_object_seq);
2176 __swab32s(&lum->lmm_stripe_size);
2177 __swab16s(&lum->lmm_stripe_count);
2178 __swab16s(&lum->lmm_stripe_offset);
2183 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2186 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2187 lustre_swab_lov_user_md_common(lum);
2190 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2192 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2195 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2196 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2197 /* lmm_pool_name nothing to do with char */
2200 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2202 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2205 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2206 __swab32s(&lmm->lmm_magic);
2207 __swab32s(&lmm->lmm_pattern);
2208 __swab64s(&lmm->lmm_object_id);
2209 __swab64s(&lmm->lmm_object_seq);
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 __swab64s(&(lod[i].l_object_id));
2224 __swab64s(&(lod[i].l_object_seq));
2225 __swab32s(&(lod[i].l_ost_gen));
2226 __swab32s(&(lod[i].l_ost_idx));
2230 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2232 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2236 for (i = 0; i < RES_NAME_SIZE; i++)
2237 __swab64s (&id->name[i]);
2239 EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
2241 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2243 /* the lock data is a union and the first two fields are always an
2244 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2245 * data the same way. */
2246 __swab64s(&d->l_extent.start);
2247 __swab64s(&d->l_extent.end);
2248 __swab64s(&d->l_extent.gid);
2249 __swab64s(&d->l_flock.lfw_owner);
2250 __swab32s(&d->l_flock.lfw_pid);
2252 EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
2254 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2256 __swab64s (&i->opc);
2258 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
2260 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2262 __swab32s (&r->lr_type);
2263 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2264 lustre_swab_ldlm_res_id (&r->lr_name);
2266 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
2268 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2270 lustre_swab_ldlm_resource_desc (&l->l_resource);
2271 __swab32s (&l->l_req_mode);
2272 __swab32s (&l->l_granted_mode);
2273 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2275 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
2277 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2279 __swab32s (&rq->lock_flags);
2280 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2281 __swab32s (&rq->lock_count);
2282 /* lock_handle[] opaque */
2284 EXPORT_SYMBOL(lustre_swab_ldlm_request);
2286 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2288 __swab32s (&r->lock_flags);
2289 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2290 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2291 /* lock_handle opaque */
2292 __swab64s (&r->lock_policy_res1);
2293 __swab64s (&r->lock_policy_res2);
2295 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
2297 /* no one calls this */
2298 int llog_log_swabbed(struct llog_log_hdr *hdr)
2300 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
2302 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
2307 void lustre_swab_quota_body(struct quota_body *b)
2309 lustre_swab_lu_fid(&b->qb_fid);
2310 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2311 __swab32s(&b->qb_flags);
2312 __swab64s(&b->qb_count);
2313 __swab64s(&b->qb_usage);
2314 __swab64s(&b->qb_slv_ver);
2317 /* Dump functions */
2318 void dump_ioo(struct obd_ioobj *ioo)
2321 "obd_ioobj: ioo_id="LPD64", ioo_seq="LPD64", ioo_max_brw=%#x, "
2322 "ioo_bufct=%d\n", ioo->ioo_id, ioo->ioo_seq, ioo->ioo_max_brw,
2325 EXPORT_SYMBOL(dump_ioo);
2327 void dump_rniobuf(struct niobuf_remote *nb)
2329 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2330 nb->offset, nb->len, nb->flags);
2332 EXPORT_SYMBOL(dump_rniobuf);
2334 void dump_obdo(struct obdo *oa)
2336 __u32 valid = oa->o_valid;
2338 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2339 if (valid & OBD_MD_FLID)
2340 CDEBUG(D_RPCTRACE, "obdo: o_id = "LPD64"\n", oa->o_id);
2341 if (valid & OBD_MD_FLGROUP)
2342 CDEBUG(D_RPCTRACE, "obdo: o_seq = "LPD64"\n", oa->o_seq);
2343 if (valid & OBD_MD_FLFID)
2344 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2346 if (valid & OBD_MD_FLSIZE)
2347 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2348 if (valid & OBD_MD_FLMTIME)
2349 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2350 if (valid & OBD_MD_FLATIME)
2351 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2352 if (valid & OBD_MD_FLCTIME)
2353 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2354 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2355 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2356 if (valid & OBD_MD_FLGRANT)
2357 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2358 if (valid & OBD_MD_FLBLKSZ)
2359 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2360 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2361 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2362 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2363 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2364 if (valid & OBD_MD_FLUID)
2365 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2366 if (valid & OBD_MD_FLUID)
2367 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2368 if (valid & OBD_MD_FLGID)
2369 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2370 if (valid & OBD_MD_FLGID)
2371 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2372 if (valid & OBD_MD_FLFLAGS)
2373 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2374 if (valid & OBD_MD_FLNLINK)
2375 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2376 else if (valid & OBD_MD_FLCKSUM)
2377 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2379 if (valid & OBD_MD_FLGENER)
2380 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2382 if (valid & OBD_MD_FLEPOCH)
2383 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2385 if (valid & OBD_MD_FLFID) {
2386 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2388 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2391 if (valid & OBD_MD_FLHANDLE)
2392 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2393 oa->o_handle.cookie);
2394 if (valid & OBD_MD_FLCOOKIE)
2395 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2396 "(llog_cookie dumping not yet implemented)\n");
2398 EXPORT_SYMBOL(dump_obdo);
2400 void dump_ost_body(struct ost_body *ob)
2404 EXPORT_SYMBOL(dump_ost_body);
2406 void dump_rcs(__u32 *rc)
2408 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2410 EXPORT_SYMBOL(dump_rcs);
2412 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2414 LASSERT(req->rq_reqmsg);
2416 switch (req->rq_reqmsg->lm_magic) {
2417 case LUSTRE_MSG_MAGIC_V2:
2418 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2420 CERROR("bad lustre msg magic: %#08X\n",
2421 req->rq_reqmsg->lm_magic);
2426 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2428 LASSERT(req->rq_repmsg);
2430 switch (req->rq_repmsg->lm_magic) {
2431 case LUSTRE_MSG_MAGIC_V2:
2432 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2434 /* uninitialized yet */
2439 void _debug_req(struct ptlrpc_request *req,
2440 struct libcfs_debug_msg_data *msgdata,
2441 const char *fmt, ... )
2443 int req_ok = req->rq_reqmsg != NULL;
2444 int rep_ok = req->rq_repmsg != NULL;
2445 lnet_nid_t nid = LNET_NID_ANY;
2448 if (ptlrpc_req_need_swab(req)) {
2449 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2450 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2453 if (req->rq_import && req->rq_import->imp_connection)
2454 nid = req->rq_import->imp_connection->c_peer.nid;
2455 else if (req->rq_export && req->rq_export->exp_connection)
2456 nid = req->rq_export->exp_connection->c_peer.nid;
2458 va_start(args, fmt);
2459 libcfs_debug_vmsg2(msgdata, fmt, args,
2460 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2461 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2462 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2463 req, req->rq_xid, req->rq_transno,
2464 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2465 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2467 req->rq_import->imp_obd->obd_name :
2469 req->rq_export->exp_client_uuid.uuid :
2471 libcfs_nid2str(nid),
2472 req->rq_request_portal, req->rq_reply_portal,
2473 req->rq_reqlen, req->rq_replen,
2474 req->rq_early_count, req->rq_timedout,
2476 cfs_atomic_read(&req->rq_refcount),
2477 DEBUG_REQ_FLAGS(req),
2478 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2479 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2481 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2483 EXPORT_SYMBOL(_debug_req);
2485 void lustre_swab_lustre_capa(struct lustre_capa *c)
2487 lustre_swab_lu_fid(&c->lc_fid);
2488 __swab64s (&c->lc_opc);
2489 __swab64s (&c->lc_uid);
2490 __swab64s (&c->lc_gid);
2491 __swab32s (&c->lc_flags);
2492 __swab32s (&c->lc_keyid);
2493 __swab32s (&c->lc_timeout);
2494 __swab32s (&c->lc_expiry);
2496 EXPORT_SYMBOL(lustre_swab_lustre_capa);
2498 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2500 __swab64s (&k->lk_seq);
2501 __swab32s (&k->lk_keyid);
2502 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2504 EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
2506 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2508 __swab32s(&state->hus_states);
2509 __swab32s(&state->hus_archive_id);
2511 EXPORT_SYMBOL(lustre_swab_hsm_user_state);
2513 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2515 __swab32s(&hss->hss_valid);
2516 __swab64s(&hss->hss_setmask);
2517 __swab64s(&hss->hss_clearmask);
2518 __swab32s(&hss->hss_archive_id);
2520 EXPORT_SYMBOL(lustre_swab_hsm_state_set);
2522 void lustre_swab_hsm_extent(struct hsm_extent *extent)
2524 __swab64s(&extent->offset);
2525 __swab64s(&extent->length);
2528 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2530 __swab32s(&action->hca_state);
2531 __swab32s(&action->hca_action);
2532 lustre_swab_hsm_extent(&action->hca_location);
2534 EXPORT_SYMBOL(lustre_swab_hsm_current_action);
2536 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2538 lustre_swab_lu_fid(&hui->hui_fid);
2539 lustre_swab_hsm_extent(&hui->hui_extent);
2541 EXPORT_SYMBOL(lustre_swab_hsm_user_item);
2543 void lustre_swab_layout_intent(struct layout_intent *li)
2545 __swab32s(&li->li_opc);
2546 __swab32s(&li->li_flags);
2547 __swab64s(&li->li_start);
2548 __swab64s(&li->li_end);
2550 EXPORT_SYMBOL(lustre_swab_layout_intent);
2552 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2554 lustre_swab_lu_fid(&hpk->hpk_fid);
2555 __swab64s(&hpk->hpk_cookie);
2556 __swab64s(&hpk->hpk_extent.offset);
2557 __swab64s(&hpk->hpk_extent.length);
2558 __swab16s(&hpk->hpk_flags);
2559 __swab16s(&hpk->hpk_errval);
2561 EXPORT_SYMBOL(lustre_swab_hsm_progress_kernel);
2563 void lustre_swab_hsm_request(struct hsm_request *hr)
2565 __swab32s(&hr->hr_action);
2566 __swab32s(&hr->hr_archive_id);
2567 __swab64s(&hr->hr_flags);
2568 __swab32s(&hr->hr_itemcount);
2569 __swab32s(&hr->hr_data_len);
2571 EXPORT_SYMBOL(lustre_swab_hsm_request);
2573 void lustre_swab_update_buf(struct update_buf *ub)
2575 __swab32s(&ub->ub_magic);
2576 __swab32s(&ub->ub_count);
2578 EXPORT_SYMBOL(lustre_swab_update_buf);
2580 void lustre_swab_update_reply_buf(struct update_reply *ur)
2584 __swab32s(&ur->ur_version);
2585 __swab32s(&ur->ur_count);
2586 for (i = 0; i < ur->ur_count; i++)
2587 __swab32s(&ur->ur_lens[i]);
2589 EXPORT_SYMBOL(lustre_swab_update_reply_buf);
2591 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2593 __swab64s(&msl->msl_flags);
2595 EXPORT_SYMBOL(lustre_swab_swap_layouts);