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 <linux/libcfs/libcfs.h>
49 #include <obd_support.h>
50 #include <obd_class.h>
51 #include <lustre_net.h>
52 #include <obd_cksum.h>
53 #include <lustre/ll_fiemap.h>
55 static inline int lustre_msg_hdr_size_v2(int count)
57 return cfs_size_round(offsetof(struct lustre_msg_v2,
61 int lustre_msg_hdr_size(__u32 magic, int count)
64 case LUSTRE_MSG_MAGIC_V2:
65 return lustre_msg_hdr_size_v2(count);
67 LASSERTF(0, "incorrect message magic: %08x\n", magic);
71 EXPORT_SYMBOL(lustre_msg_hdr_size);
73 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
77 lustre_set_req_swabbed(req, index);
79 lustre_set_rep_swabbed(req, index);
81 EXPORT_SYMBOL(ptlrpc_buf_set_swabbed);
83 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
87 return (ptlrpc_req_need_swab(req) &&
88 !lustre_req_swabbed(req, index));
90 return (ptlrpc_rep_need_swab(req) &&
91 !lustre_rep_swabbed(req, index));
93 EXPORT_SYMBOL(ptlrpc_buf_need_swab);
95 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
98 __u32 ver = lustre_msg_get_version(msg);
99 return (ver & LUSTRE_VERSION_MASK) != version;
102 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
104 switch (msg->lm_magic) {
105 case LUSTRE_MSG_MAGIC_V1:
106 CERROR("msg v1 not supported - please upgrade you system\n");
108 case LUSTRE_MSG_MAGIC_V2:
109 return lustre_msg_check_version_v2(msg, version);
111 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
115 EXPORT_SYMBOL(lustre_msg_check_version);
117 /* early reply size */
118 int lustre_msg_early_size(void)
122 /* Always reply old ptlrpc_body_v2 to keep interoprability
123 * with the old client (< 2.3) which doesn't have pb_jobid
124 * in the ptlrpc_body.
126 * XXX Remove this whenever we dorp interoprability with such
129 __u32 pblen = sizeof(struct ptlrpc_body_v2);
130 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
134 EXPORT_SYMBOL(lustre_msg_early_size);
136 int lustre_msg_size_v2(int count, __u32 *lengths)
141 size = lustre_msg_hdr_size_v2(count);
142 for (i = 0; i < count; i++)
143 size += cfs_size_round(lengths[i]);
147 EXPORT_SYMBOL(lustre_msg_size_v2);
149 /* This returns the size of the buffer that is required to hold a lustre_msg
150 * with the given sub-buffer lengths.
151 * NOTE: this should only be used for NEW requests, and should always be
152 * in the form of a v2 request. If this is a connection to a v1
153 * target then the first buffer will be stripped because the ptlrpc
154 * data is part of the lustre_msg_v1 header. b=14043 */
155 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
157 __u32 size[] = { sizeof(struct ptlrpc_body) };
165 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
168 case LUSTRE_MSG_MAGIC_V2:
169 return lustre_msg_size_v2(count, lens);
171 LASSERTF(0, "incorrect message magic: %08x\n", magic);
175 EXPORT_SYMBOL(lustre_msg_size);
177 /* This is used to determine the size of a buffer that was already packed
178 * and will correctly handle the different message formats. */
179 int lustre_packed_msg_size(struct lustre_msg *msg)
181 switch (msg->lm_magic) {
182 case LUSTRE_MSG_MAGIC_V2:
183 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
185 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
189 EXPORT_SYMBOL(lustre_packed_msg_size);
191 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
197 msg->lm_bufcount = count;
198 /* XXX: lm_secflvr uninitialized here */
199 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
201 for (i = 0; i < count; i++)
202 msg->lm_buflens[i] = lens[i];
207 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
208 for (i = 0; i < count; i++) {
210 LOGL(tmp, lens[i], ptr);
213 EXPORT_SYMBOL(lustre_init_msg_v2);
215 static int lustre_pack_request_v2(struct ptlrpc_request *req,
216 int count, __u32 *lens, char **bufs)
220 reqlen = lustre_msg_size_v2(count, lens);
222 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
226 req->rq_reqlen = reqlen;
228 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
229 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
233 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
234 __u32 *lens, char **bufs)
236 __u32 size[] = { sizeof(struct ptlrpc_body) };
244 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
246 /* only use new format, we don't need to be compatible with 1.4 */
247 magic = LUSTRE_MSG_MAGIC_V2;
250 case LUSTRE_MSG_MAGIC_V2:
251 return lustre_pack_request_v2(req, count, lens, bufs);
253 LASSERTF(0, "incorrect message magic: %08x\n", magic);
257 EXPORT_SYMBOL(lustre_pack_request);
260 LIST_HEAD(ptlrpc_rs_debug_lru);
261 spinlock_t ptlrpc_rs_debug_lock;
263 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
265 spin_lock(&ptlrpc_rs_debug_lock); \
266 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
267 spin_unlock(&ptlrpc_rs_debug_lock); \
270 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
272 spin_lock(&ptlrpc_rs_debug_lock); \
273 list_del(&(rs)->rs_debug_list); \
274 spin_unlock(&ptlrpc_rs_debug_lock); \
277 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while (0)
278 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while (0)
281 struct ptlrpc_reply_state *
282 lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
284 struct ptlrpc_reply_state *rs = NULL;
286 spin_lock(&svcpt->scp_rep_lock);
288 /* See if we have anything in a pool, and wait if nothing */
289 while (list_empty(&svcpt->scp_rep_idle)) {
290 struct l_wait_info lwi;
293 spin_unlock(&svcpt->scp_rep_lock);
294 /* If we cannot get anything for some long time, we better
295 * bail out instead of waiting infinitely */
296 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
297 rc = l_wait_event(svcpt->scp_rep_waitq,
298 !list_empty(&svcpt->scp_rep_idle), &lwi);
301 spin_lock(&svcpt->scp_rep_lock);
304 rs = list_entry(svcpt->scp_rep_idle.next,
305 struct ptlrpc_reply_state, rs_list);
306 list_del(&rs->rs_list);
308 spin_unlock(&svcpt->scp_rep_lock);
310 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
311 rs->rs_svcpt = svcpt;
317 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
319 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
321 spin_lock(&svcpt->scp_rep_lock);
322 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
323 spin_unlock(&svcpt->scp_rep_lock);
324 wake_up(&svcpt->scp_rep_waitq);
327 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
328 __u32 *lens, char **bufs, int flags)
330 struct ptlrpc_reply_state *rs;
333 LASSERT(req->rq_reply_state == NULL);
335 if ((flags & LPRFL_EARLY_REPLY) == 0) {
336 spin_lock(&req->rq_lock);
337 req->rq_packed_final = 1;
338 spin_unlock(&req->rq_lock);
341 msg_len = lustre_msg_size_v2(count, lens);
342 rc = sptlrpc_svc_alloc_rs(req, msg_len);
346 rs = req->rq_reply_state;
347 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
348 rs->rs_cb_id.cbid_fn = reply_out_callback;
349 rs->rs_cb_id.cbid_arg = rs;
350 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
351 INIT_LIST_HEAD(&rs->rs_exp_list);
352 INIT_LIST_HEAD(&rs->rs_obd_list);
353 INIT_LIST_HEAD(&rs->rs_list);
354 spin_lock_init(&rs->rs_lock);
356 req->rq_replen = msg_len;
357 req->rq_reply_state = rs;
358 req->rq_repmsg = rs->rs_msg;
360 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
361 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
363 PTLRPC_RS_DEBUG_LRU_ADD(rs);
367 EXPORT_SYMBOL(lustre_pack_reply_v2);
369 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
370 char **bufs, int flags)
373 __u32 size[] = { sizeof(struct ptlrpc_body) };
381 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
383 switch (req->rq_reqmsg->lm_magic) {
384 case LUSTRE_MSG_MAGIC_V2:
385 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
388 LASSERTF(0, "incorrect message magic: %08x\n",
389 req->rq_reqmsg->lm_magic);
393 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
394 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
397 EXPORT_SYMBOL(lustre_pack_reply_flags);
399 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
402 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
404 EXPORT_SYMBOL(lustre_pack_reply);
406 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
408 int i, offset, buflen, bufcount;
413 bufcount = m->lm_bufcount;
414 if (unlikely(n >= bufcount)) {
415 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
420 buflen = m->lm_buflens[n];
421 if (unlikely(buflen < min_size)) {
422 CERROR("msg %p buffer[%d] size %d too small "
423 "(required %d, opc=%d)\n", m, n, buflen, min_size,
424 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
428 offset = lustre_msg_hdr_size_v2(bufcount);
429 for (i = 0; i < n; i++)
430 offset += cfs_size_round(m->lm_buflens[i]);
432 return (char *)m + offset;
435 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
437 switch (m->lm_magic) {
438 case LUSTRE_MSG_MAGIC_V2:
439 return lustre_msg_buf_v2(m, n, min_size);
441 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
445 EXPORT_SYMBOL(lustre_msg_buf);
447 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
448 unsigned int newlen, int move_data)
450 char *tail = NULL, *newpos;
454 LASSERT(msg->lm_bufcount > segment);
455 LASSERT(msg->lm_buflens[segment] >= newlen);
457 if (msg->lm_buflens[segment] == newlen)
460 if (move_data && msg->lm_bufcount > segment + 1) {
461 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
462 for (n = segment + 1; n < msg->lm_bufcount; n++)
463 tail_len += cfs_size_round(msg->lm_buflens[n]);
466 msg->lm_buflens[segment] = newlen;
468 if (tail && tail_len) {
469 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
470 LASSERT(newpos <= tail);
472 memmove(newpos, tail, tail_len);
475 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
479 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
480 * we also move data forward from @segment + 1.
482 * if @newlen == 0, we remove the segment completely, but we still keep the
483 * totally bufcount the same to save possible data moving. this will leave a
484 * unused segment with size 0 at the tail, but that's ok.
486 * return new msg size after shrinking.
489 * + if any buffers higher than @segment has been filled in, must call shrink
490 * with non-zero @move_data.
491 * + caller should NOT keep pointers to msg buffers which higher than @segment
494 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
495 unsigned int newlen, int move_data)
497 switch (msg->lm_magic) {
498 case LUSTRE_MSG_MAGIC_V2:
499 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
501 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
504 EXPORT_SYMBOL(lustre_shrink_msg);
506 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
508 PTLRPC_RS_DEBUG_LRU_DEL(rs);
510 LASSERT(atomic_read(&rs->rs_refcount) == 0);
511 LASSERT(!rs->rs_difficult || rs->rs_handled);
512 LASSERT(!rs->rs_on_net);
513 LASSERT(!rs->rs_scheduled);
514 LASSERT(rs->rs_export == NULL);
515 LASSERT(rs->rs_nlocks == 0);
516 LASSERT(list_empty(&rs->rs_exp_list));
517 LASSERT(list_empty(&rs->rs_obd_list));
519 sptlrpc_svc_free_rs(rs);
521 EXPORT_SYMBOL(lustre_free_reply_state);
523 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
525 int swabbed, required_len, i;
527 /* Now we know the sender speaks my language. */
528 required_len = lustre_msg_hdr_size_v2(0);
529 if (len < required_len) {
530 /* can't even look inside the message */
531 CERROR("message length %d too small for lustre_msg\n", len);
535 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
538 __swab32s(&m->lm_magic);
539 __swab32s(&m->lm_bufcount);
540 __swab32s(&m->lm_secflvr);
541 __swab32s(&m->lm_repsize);
542 __swab32s(&m->lm_cksum);
543 __swab32s(&m->lm_flags);
544 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
545 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
548 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
549 if (len < required_len) {
550 /* didn't receive all the buffer lengths */
551 CERROR("message length %d too small for %d buflens\n",
552 len, m->lm_bufcount);
556 for (i = 0; i < m->lm_bufcount; i++) {
558 __swab32s(&m->lm_buflens[i]);
559 required_len += cfs_size_round(m->lm_buflens[i]);
562 if (len < required_len) {
563 CERROR("len: %d, required_len %d\n", len, required_len);
564 CERROR("bufcount: %d\n", m->lm_bufcount);
565 for (i = 0; i < m->lm_bufcount; i++)
566 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
573 int __lustre_unpack_msg(struct lustre_msg *m, int len)
575 int required_len, rc;
577 /* We can provide a slightly better error log, if we check the
578 * message magic and version first. In the future, struct
579 * lustre_msg may grow, and we'd like to log a version mismatch,
580 * rather than a short message.
583 required_len = offsetof(struct lustre_msg, lm_magic) +
585 if (len < required_len) {
586 /* can't even look inside the message */
587 CERROR("message length %d too small for magic/version check\n",
592 rc = lustre_unpack_msg_v2(m, len);
596 EXPORT_SYMBOL(__lustre_unpack_msg);
598 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
601 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
603 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
608 EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
610 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
613 rc = __lustre_unpack_msg(req->rq_repmsg, len);
615 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
620 EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
622 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
623 const int inout, int offset)
625 struct ptlrpc_body *pb;
626 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
628 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
630 CERROR("error unpacking ptlrpc body\n");
633 if (ptlrpc_buf_need_swab(req, inout, offset)) {
634 lustre_swab_ptlrpc_body(pb);
635 ptlrpc_buf_set_swabbed(req, inout, offset);
638 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
639 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
644 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
649 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
651 switch (req->rq_reqmsg->lm_magic) {
652 case LUSTRE_MSG_MAGIC_V2:
653 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
655 CERROR("bad lustre msg magic: %08x\n",
656 req->rq_reqmsg->lm_magic);
661 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
663 switch (req->rq_repmsg->lm_magic) {
664 case LUSTRE_MSG_MAGIC_V2:
665 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
667 CERROR("bad lustre msg magic: %08x\n",
668 req->rq_repmsg->lm_magic);
673 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
675 if (n >= m->lm_bufcount)
678 return m->lm_buflens[n];
682 * lustre_msg_buflen - return the length of buffer \a n in message \a m
683 * \param m lustre_msg (request or reply) to look at
684 * \param n message index (base 0)
686 * returns zero for non-existent message indices
688 int lustre_msg_buflen(struct lustre_msg *m, int n)
690 switch (m->lm_magic) {
691 case LUSTRE_MSG_MAGIC_V2:
692 return lustre_msg_buflen_v2(m, n);
694 CERROR("incorrect message magic: %08x\n", m->lm_magic);
698 EXPORT_SYMBOL(lustre_msg_buflen);
701 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
703 if (n >= m->lm_bufcount)
706 m->lm_buflens[n] = len;
709 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
711 switch (m->lm_magic) {
712 case LUSTRE_MSG_MAGIC_V2:
713 lustre_msg_set_buflen_v2(m, n, len);
716 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
720 EXPORT_SYMBOL(lustre_msg_set_buflen);
722 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
723 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
724 int lustre_msg_bufcount(struct lustre_msg *m)
726 switch (m->lm_magic) {
727 case LUSTRE_MSG_MAGIC_V2:
728 return m->lm_bufcount;
730 CERROR("incorrect message magic: %08x\n", m->lm_magic);
734 EXPORT_SYMBOL(lustre_msg_bufcount);
736 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
738 /* max_len == 0 means the string should fill the buffer */
742 switch (m->lm_magic) {
743 case LUSTRE_MSG_MAGIC_V2:
744 str = lustre_msg_buf_v2(m, index, 0);
745 blen = lustre_msg_buflen_v2(m, index);
748 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
752 CERROR("can't unpack string in msg %p buffer[%d]\n", m, index);
756 slen = strnlen(str, blen);
758 if (slen == blen) { /* not NULL terminated */
759 CERROR("can't unpack non-NULL terminated string in "
760 "msg %p buffer[%d] len %d\n", m, index, blen);
765 if (slen != blen - 1) {
766 CERROR("can't unpack short string in msg %p "
767 "buffer[%d] len %d: strlen %d\n",
768 m, index, blen, slen);
771 } else if (slen > max_len) {
772 CERROR("can't unpack oversized string in msg %p "
773 "buffer[%d] len %d strlen %d: max %d expected\n",
774 m, index, blen, slen, max_len);
780 EXPORT_SYMBOL(lustre_msg_string);
782 /* Wrap up the normal fixed length cases */
783 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
784 int min_size, void *swabber)
788 LASSERT(msg != NULL);
789 switch (msg->lm_magic) {
790 case LUSTRE_MSG_MAGIC_V2:
791 ptr = lustre_msg_buf_v2(msg, index, min_size);
794 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
798 ((void (*)(void *))swabber)(ptr);
803 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
805 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
806 sizeof(struct ptlrpc_body_v2));
809 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
811 switch (msg->lm_magic) {
812 case LUSTRE_MSG_MAGIC_V1:
813 case LUSTRE_MSG_MAGIC_V1_SWABBED:
815 case LUSTRE_MSG_MAGIC_V2:
816 /* already in host endian */
817 return msg->lm_flags;
819 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
823 EXPORT_SYMBOL(lustre_msghdr_get_flags);
825 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
827 switch (msg->lm_magic) {
828 case LUSTRE_MSG_MAGIC_V1:
830 case LUSTRE_MSG_MAGIC_V2:
831 msg->lm_flags = flags;
834 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
838 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
840 switch (msg->lm_magic) {
841 case LUSTRE_MSG_MAGIC_V2: {
842 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
844 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
850 /* flags might be printed in debug code while message
855 EXPORT_SYMBOL(lustre_msg_get_flags);
857 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
859 switch (msg->lm_magic) {
860 case LUSTRE_MSG_MAGIC_V2: {
861 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
862 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
863 pb->pb_flags |= flags;
867 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
870 EXPORT_SYMBOL(lustre_msg_add_flags);
872 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
874 switch (msg->lm_magic) {
875 case LUSTRE_MSG_MAGIC_V2: {
876 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
877 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
878 pb->pb_flags = flags;
882 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
885 EXPORT_SYMBOL(lustre_msg_set_flags);
887 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
889 switch (msg->lm_magic) {
890 case LUSTRE_MSG_MAGIC_V2: {
891 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
892 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
893 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
897 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
900 EXPORT_SYMBOL(lustre_msg_clear_flags);
902 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
904 switch (msg->lm_magic) {
905 case LUSTRE_MSG_MAGIC_V2: {
906 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
908 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
911 return pb->pb_op_flags;
917 EXPORT_SYMBOL(lustre_msg_get_op_flags);
919 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
921 switch (msg->lm_magic) {
922 case LUSTRE_MSG_MAGIC_V2: {
923 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
924 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
925 pb->pb_op_flags |= flags;
929 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
932 EXPORT_SYMBOL(lustre_msg_add_op_flags);
934 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
936 switch (msg->lm_magic) {
937 case LUSTRE_MSG_MAGIC_V2: {
938 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
939 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
940 pb->pb_op_flags |= flags;
944 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
947 EXPORT_SYMBOL(lustre_msg_set_op_flags);
949 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
951 switch (msg->lm_magic) {
952 case LUSTRE_MSG_MAGIC_V2: {
953 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
955 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
958 return &pb->pb_handle;
961 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
965 EXPORT_SYMBOL(lustre_msg_get_handle);
967 __u32 lustre_msg_get_type(struct lustre_msg *msg)
969 switch (msg->lm_magic) {
970 case LUSTRE_MSG_MAGIC_V2: {
971 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
973 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
974 return PTL_RPC_MSG_ERR;
979 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
980 return PTL_RPC_MSG_ERR;
983 EXPORT_SYMBOL(lustre_msg_get_type);
985 __u32 lustre_msg_get_version(struct lustre_msg *msg)
987 switch (msg->lm_magic) {
988 case LUSTRE_MSG_MAGIC_V2: {
989 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
991 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
994 return pb->pb_version;
997 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1001 EXPORT_SYMBOL(lustre_msg_get_version);
1003 void lustre_msg_add_version(struct lustre_msg *msg, int version)
1005 switch (msg->lm_magic) {
1006 case LUSTRE_MSG_MAGIC_V2: {
1007 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1008 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1009 pb->pb_version |= version;
1013 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1016 EXPORT_SYMBOL(lustre_msg_add_version);
1018 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
1020 switch (msg->lm_magic) {
1021 case LUSTRE_MSG_MAGIC_V2: {
1022 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1024 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1030 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1035 EXPORT_SYMBOL(lustre_msg_get_opc);
1037 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1039 switch (msg->lm_magic) {
1040 case LUSTRE_MSG_MAGIC_V2: {
1041 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1043 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1046 return pb->pb_last_xid;
1049 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1053 EXPORT_SYMBOL(lustre_msg_get_last_xid);
1055 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1057 switch (msg->lm_magic) {
1058 case LUSTRE_MSG_MAGIC_V2: {
1059 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1061 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1064 return pb->pb_last_committed;
1067 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1071 EXPORT_SYMBOL(lustre_msg_get_last_committed);
1073 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1075 switch (msg->lm_magic) {
1076 case LUSTRE_MSG_MAGIC_V1:
1078 case LUSTRE_MSG_MAGIC_V2: {
1079 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1081 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1084 return pb->pb_pre_versions;
1087 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1091 EXPORT_SYMBOL(lustre_msg_get_versions);
1093 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1095 switch (msg->lm_magic) {
1096 case LUSTRE_MSG_MAGIC_V2: {
1097 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1099 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1102 return pb->pb_transno;
1105 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1109 EXPORT_SYMBOL(lustre_msg_get_transno);
1111 int lustre_msg_get_status(struct lustre_msg *msg)
1113 switch (msg->lm_magic) {
1114 case LUSTRE_MSG_MAGIC_V2: {
1115 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1117 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1120 return pb->pb_status;
1123 /* status might be printed in debug code while message
1128 EXPORT_SYMBOL(lustre_msg_get_status);
1130 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1132 switch (msg->lm_magic) {
1133 case LUSTRE_MSG_MAGIC_V2: {
1134 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1136 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1142 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1146 EXPORT_SYMBOL(lustre_msg_get_slv);
1149 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1151 switch (msg->lm_magic) {
1152 case LUSTRE_MSG_MAGIC_V2: {
1153 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1155 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1162 CERROR("invalid msg magic %x\n", msg->lm_magic);
1166 EXPORT_SYMBOL(lustre_msg_set_slv);
1168 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1170 switch (msg->lm_magic) {
1171 case LUSTRE_MSG_MAGIC_V2: {
1172 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1174 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1177 return pb->pb_limit;
1180 CERROR("invalid msg magic %x\n", msg->lm_magic);
1184 EXPORT_SYMBOL(lustre_msg_get_limit);
1187 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1189 switch (msg->lm_magic) {
1190 case LUSTRE_MSG_MAGIC_V2: {
1191 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1193 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1196 pb->pb_limit = limit;
1200 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1204 EXPORT_SYMBOL(lustre_msg_set_limit);
1206 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1208 switch (msg->lm_magic) {
1209 case LUSTRE_MSG_MAGIC_V2: {
1210 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1212 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1215 return pb->pb_conn_cnt;
1218 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1222 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1224 int lustre_msg_is_v1(struct lustre_msg *msg)
1226 switch (msg->lm_magic) {
1227 case LUSTRE_MSG_MAGIC_V1:
1228 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1234 EXPORT_SYMBOL(lustre_msg_is_v1);
1236 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1238 switch (msg->lm_magic) {
1239 case LUSTRE_MSG_MAGIC_V2:
1240 return msg->lm_magic;
1242 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1246 EXPORT_SYMBOL(lustre_msg_get_magic);
1248 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1250 switch (msg->lm_magic) {
1251 case LUSTRE_MSG_MAGIC_V1:
1252 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1254 case LUSTRE_MSG_MAGIC_V2: {
1255 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1257 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1261 return pb->pb_timeout;
1264 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1269 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1271 switch (msg->lm_magic) {
1272 case LUSTRE_MSG_MAGIC_V1:
1273 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1275 case LUSTRE_MSG_MAGIC_V2: {
1276 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1278 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1282 return pb->pb_service_time;
1285 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1290 char *lustre_msg_get_jobid(struct lustre_msg *msg)
1292 switch (msg->lm_magic) {
1293 case LUSTRE_MSG_MAGIC_V1:
1294 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1296 case LUSTRE_MSG_MAGIC_V2: {
1297 struct ptlrpc_body *pb =
1298 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1299 sizeof(struct ptlrpc_body));
1303 return pb->pb_jobid;
1306 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1310 EXPORT_SYMBOL(lustre_msg_get_jobid);
1312 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1314 switch (msg->lm_magic) {
1315 case LUSTRE_MSG_MAGIC_V2:
1316 return msg->lm_cksum;
1318 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1323 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0)
1325 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1326 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1327 * more sense to compute the checksum on the full ptlrpc_body, regardless
1328 * of what size it is, but in order to keep interoperability with 1.8 we
1329 * can optionally also checksum only the first 88 bytes (caller decides). */
1330 # define ptlrpc_body_cksum_size_compat18 88
1332 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1334 # warning "remove checksum compatibility support for b1_8"
1335 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1338 switch (msg->lm_magic) {
1339 case LUSTRE_MSG_MAGIC_V2: {
1340 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1341 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0)
1343 unsigned int hsize = 4;
1344 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1345 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1346 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1347 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1348 len, NULL, 0, (unsigned char *)&crc,
1352 # warning "remove checksum compatibility support for b1_8"
1354 unsigned int hsize = 4;
1355 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1356 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF),
1357 NULL, 0, (unsigned char *)&crc, &hsize);
1362 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1367 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1369 switch (msg->lm_magic) {
1370 case LUSTRE_MSG_MAGIC_V2: {
1371 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1372 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1373 pb->pb_handle = *handle;
1377 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1380 EXPORT_SYMBOL(lustre_msg_set_handle);
1382 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1384 switch (msg->lm_magic) {
1385 case LUSTRE_MSG_MAGIC_V2: {
1386 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1387 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1392 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1395 EXPORT_SYMBOL(lustre_msg_set_type);
1397 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1399 switch (msg->lm_magic) {
1400 case LUSTRE_MSG_MAGIC_V2: {
1401 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1402 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1407 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1410 EXPORT_SYMBOL(lustre_msg_set_opc);
1412 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1414 switch (msg->lm_magic) {
1415 case LUSTRE_MSG_MAGIC_V2: {
1416 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1417 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1418 pb->pb_last_xid = last_xid;
1422 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1425 EXPORT_SYMBOL(lustre_msg_set_last_xid);
1427 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1429 switch (msg->lm_magic) {
1430 case LUSTRE_MSG_MAGIC_V2: {
1431 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1432 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1433 pb->pb_last_committed = last_committed;
1437 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1440 EXPORT_SYMBOL(lustre_msg_set_last_committed);
1442 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1444 switch (msg->lm_magic) {
1445 case LUSTRE_MSG_MAGIC_V1:
1447 case LUSTRE_MSG_MAGIC_V2: {
1448 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1449 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1450 pb->pb_pre_versions[0] = versions[0];
1451 pb->pb_pre_versions[1] = versions[1];
1452 pb->pb_pre_versions[2] = versions[2];
1453 pb->pb_pre_versions[3] = versions[3];
1457 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1460 EXPORT_SYMBOL(lustre_msg_set_versions);
1462 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1464 switch (msg->lm_magic) {
1465 case LUSTRE_MSG_MAGIC_V2: {
1466 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1467 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1468 pb->pb_transno = transno;
1472 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1475 EXPORT_SYMBOL(lustre_msg_set_transno);
1477 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1479 switch (msg->lm_magic) {
1480 case LUSTRE_MSG_MAGIC_V2: {
1481 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1482 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1483 pb->pb_status = status;
1487 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1490 EXPORT_SYMBOL(lustre_msg_set_status);
1492 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1494 switch (msg->lm_magic) {
1495 case LUSTRE_MSG_MAGIC_V2: {
1496 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1497 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1498 pb->pb_conn_cnt = conn_cnt;
1502 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1505 EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
1507 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1509 switch (msg->lm_magic) {
1510 case LUSTRE_MSG_MAGIC_V1:
1512 case LUSTRE_MSG_MAGIC_V2: {
1513 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1514 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1515 pb->pb_timeout = timeout;
1519 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1523 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1525 switch (msg->lm_magic) {
1526 case LUSTRE_MSG_MAGIC_V1:
1528 case LUSTRE_MSG_MAGIC_V2: {
1529 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1530 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1531 pb->pb_service_time = service_time;
1535 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1539 void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1541 switch (msg->lm_magic) {
1542 case LUSTRE_MSG_MAGIC_V1:
1544 case LUSTRE_MSG_MAGIC_V2: {
1545 __u32 opc = lustre_msg_get_opc(msg);
1546 struct ptlrpc_body *pb;
1548 /* Don't set jobid for ldlm ast RPCs, they've been shrinked.
1549 * See the comment in ptlrpc_request_pack(). */
1550 if (!opc || opc == LDLM_BL_CALLBACK ||
1551 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1554 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1555 sizeof(struct ptlrpc_body));
1556 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1559 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1560 else if (pb->pb_jobid[0] == '\0')
1561 lustre_get_jobid(pb->pb_jobid);
1565 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1568 EXPORT_SYMBOL(lustre_msg_set_jobid);
1570 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1572 switch (msg->lm_magic) {
1573 case LUSTRE_MSG_MAGIC_V1:
1575 case LUSTRE_MSG_MAGIC_V2:
1576 msg->lm_cksum = cksum;
1579 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1584 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1586 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1588 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1589 req->rq_pill.rc_area[RCL_SERVER]);
1590 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1591 req->rq_reqmsg->lm_repsize = req->rq_replen;
1593 EXPORT_SYMBOL(ptlrpc_request_set_replen);
1595 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1597 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1598 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1599 req->rq_reqmsg->lm_repsize = req->rq_replen;
1601 EXPORT_SYMBOL(ptlrpc_req_set_repsize);
1604 * Send a remote set_info_async.
1606 * This may go from client to server or server to client.
1608 int do_set_info_async(struct obd_import *imp,
1609 int opcode, int version,
1610 obd_count keylen, void *key,
1611 obd_count vallen, void *val,
1612 struct ptlrpc_request_set *set)
1614 struct ptlrpc_request *req;
1618 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1622 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1623 RCL_CLIENT, keylen);
1624 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1625 RCL_CLIENT, vallen);
1626 rc = ptlrpc_request_pack(req, version, opcode);
1628 ptlrpc_request_free(req);
1632 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1633 memcpy(tmp, key, keylen);
1634 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1635 memcpy(tmp, val, vallen);
1637 ptlrpc_request_set_replen(req);
1640 ptlrpc_set_add_req(set, req);
1641 ptlrpc_check_set(NULL, set);
1643 rc = ptlrpc_queue_wait(req);
1644 ptlrpc_req_finished(req);
1649 EXPORT_SYMBOL(do_set_info_async);
1651 /* byte flipping routines for all wire types declared in
1652 * lustre_idl.h implemented here.
1654 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1656 __swab32s(&b->pb_type);
1657 __swab32s(&b->pb_version);
1658 __swab32s(&b->pb_opc);
1659 __swab32s(&b->pb_status);
1660 __swab64s(&b->pb_last_xid);
1661 __swab64s(&b->pb_last_seen);
1662 __swab64s(&b->pb_last_committed);
1663 __swab64s(&b->pb_transno);
1664 __swab32s(&b->pb_flags);
1665 __swab32s(&b->pb_op_flags);
1666 __swab32s(&b->pb_conn_cnt);
1667 __swab32s(&b->pb_timeout);
1668 __swab32s(&b->pb_service_time);
1669 __swab32s(&b->pb_limit);
1670 __swab64s(&b->pb_slv);
1671 __swab64s(&b->pb_pre_versions[0]);
1672 __swab64s(&b->pb_pre_versions[1]);
1673 __swab64s(&b->pb_pre_versions[2]);
1674 __swab64s(&b->pb_pre_versions[3]);
1675 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1676 /* While we need to maintain compatibility between
1677 * clients and servers without ptlrpc_body_v2 (< 2.3)
1678 * do not swab any fields beyond pb_jobid, as we are
1679 * using this swab function for both ptlrpc_body
1680 * and ptlrpc_body_v2. */
1681 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1683 EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
1685 void lustre_swab_connect(struct obd_connect_data *ocd)
1687 __swab64s(&ocd->ocd_connect_flags);
1688 __swab32s(&ocd->ocd_version);
1689 __swab32s(&ocd->ocd_grant);
1690 __swab64s(&ocd->ocd_ibits_known);
1691 __swab32s(&ocd->ocd_index);
1692 __swab32s(&ocd->ocd_brw_size);
1693 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1694 * they are 8-byte values */
1695 __swab16s(&ocd->ocd_grant_extent);
1696 __swab32s(&ocd->ocd_unused);
1697 __swab64s(&ocd->ocd_transno);
1698 __swab32s(&ocd->ocd_group);
1699 __swab32s(&ocd->ocd_cksum_types);
1700 __swab32s(&ocd->ocd_instance);
1701 /* Fields after ocd_cksum_types are only accessible by the receiver
1702 * if the corresponding flag in ocd_connect_flags is set. Accessing
1703 * any field after ocd_maxbytes on the receiver without a valid flag
1704 * may result in out-of-bound memory access and kernel oops. */
1705 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1706 __swab32s(&ocd->ocd_max_easize);
1707 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1708 __swab64s(&ocd->ocd_maxbytes);
1709 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1710 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1711 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1712 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1713 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1714 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1715 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1716 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1717 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1718 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1719 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1720 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1721 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1722 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1723 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1726 void lustre_swab_obdo(struct obdo *o)
1728 __swab64s(&o->o_valid);
1729 lustre_swab_ost_id(&o->o_oi);
1730 __swab64s(&o->o_parent_seq);
1731 __swab64s(&o->o_size);
1732 __swab64s(&o->o_mtime);
1733 __swab64s(&o->o_atime);
1734 __swab64s(&o->o_ctime);
1735 __swab64s(&o->o_blocks);
1736 __swab64s(&o->o_grant);
1737 __swab32s(&o->o_blksize);
1738 __swab32s(&o->o_mode);
1739 __swab32s(&o->o_uid);
1740 __swab32s(&o->o_gid);
1741 __swab32s(&o->o_flags);
1742 __swab32s(&o->o_nlink);
1743 __swab32s(&o->o_parent_oid);
1744 __swab32s(&o->o_misc);
1745 __swab64s(&o->o_ioepoch);
1746 __swab32s(&o->o_stripe_idx);
1747 __swab32s(&o->o_parent_ver);
1748 /* o_handle is opaque */
1749 /* o_lcookie is swabbed elsewhere */
1750 __swab32s(&o->o_uid_h);
1751 __swab32s(&o->o_gid_h);
1752 __swab64s(&o->o_data_version);
1753 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1754 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1755 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1758 EXPORT_SYMBOL(lustre_swab_obdo);
1760 void lustre_swab_obd_statfs(struct obd_statfs *os)
1762 __swab64s(&os->os_type);
1763 __swab64s(&os->os_blocks);
1764 __swab64s(&os->os_bfree);
1765 __swab64s(&os->os_bavail);
1766 __swab64s(&os->os_files);
1767 __swab64s(&os->os_ffree);
1768 /* no need to swab os_fsid */
1769 __swab32s(&os->os_bsize);
1770 __swab32s(&os->os_namelen);
1771 __swab64s(&os->os_maxbytes);
1772 __swab32s(&os->os_state);
1773 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1774 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1775 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1776 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1777 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1778 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1779 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1780 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1781 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1783 EXPORT_SYMBOL(lustre_swab_obd_statfs);
1785 void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1787 lustre_swab_ost_id(&ioo->ioo_oid);
1788 __swab32s(&ioo->ioo_max_brw);
1789 __swab32s(&ioo->ioo_bufcnt);
1791 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
1793 void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1795 __swab64s(&nbr->offset);
1796 __swab32s(&nbr->len);
1797 __swab32s(&nbr->flags);
1799 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
1801 void lustre_swab_ost_body(struct ost_body *b)
1803 lustre_swab_obdo(&b->oa);
1805 EXPORT_SYMBOL(lustre_swab_ost_body);
1807 void lustre_swab_ost_last_id(obd_id *id)
1811 EXPORT_SYMBOL(lustre_swab_ost_last_id);
1813 void lustre_swab_generic_32s(__u32 *val)
1817 EXPORT_SYMBOL(lustre_swab_generic_32s);
1819 void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1821 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1822 __swab64s(&desc->lquota_desc.gl_flags);
1823 __swab64s(&desc->lquota_desc.gl_ver);
1824 __swab64s(&desc->lquota_desc.gl_hardlimit);
1825 __swab64s(&desc->lquota_desc.gl_softlimit);
1826 __swab64s(&desc->lquota_desc.gl_time);
1827 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1830 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1832 __swab64s(&lvb->lvb_size);
1833 __swab64s(&lvb->lvb_mtime);
1834 __swab64s(&lvb->lvb_atime);
1835 __swab64s(&lvb->lvb_ctime);
1836 __swab64s(&lvb->lvb_blocks);
1838 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1840 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1842 __swab64s(&lvb->lvb_size);
1843 __swab64s(&lvb->lvb_mtime);
1844 __swab64s(&lvb->lvb_atime);
1845 __swab64s(&lvb->lvb_ctime);
1846 __swab64s(&lvb->lvb_blocks);
1847 __swab32s(&lvb->lvb_mtime_ns);
1848 __swab32s(&lvb->lvb_atime_ns);
1849 __swab32s(&lvb->lvb_ctime_ns);
1850 __swab32s(&lvb->lvb_padding);
1852 EXPORT_SYMBOL(lustre_swab_ost_lvb);
1854 void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1856 __swab64s(&lvb->lvb_flags);
1857 __swab64s(&lvb->lvb_id_may_rel);
1858 __swab64s(&lvb->lvb_id_rel);
1859 __swab64s(&lvb->lvb_id_qunit);
1860 __swab64s(&lvb->lvb_pad1);
1862 EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1864 void lustre_swab_mdt_body(struct mdt_body *b)
1866 lustre_swab_lu_fid(&b->fid1);
1867 lustre_swab_lu_fid(&b->fid2);
1868 /* handle is opaque */
1869 __swab64s(&b->valid);
1870 __swab64s(&b->size);
1871 __swab64s(&b->mtime);
1872 __swab64s(&b->atime);
1873 __swab64s(&b->ctime);
1874 __swab64s(&b->blocks);
1875 __swab64s(&b->ioepoch);
1876 __swab64s(&b->t_state);
1877 __swab32s(&b->fsuid);
1878 __swab32s(&b->fsgid);
1879 __swab32s(&b->capability);
1880 __swab32s(&b->mode);
1883 __swab32s(&b->flags);
1884 __swab32s(&b->rdev);
1885 __swab32s(&b->nlink);
1886 CLASSERT(offsetof(typeof(*b), unused2) != 0);
1887 __swab32s(&b->suppgid);
1888 __swab32s(&b->eadatasize);
1889 __swab32s(&b->aclsize);
1890 __swab32s(&b->max_mdsize);
1891 __swab32s(&b->max_cookiesize);
1892 __swab32s(&b->uid_h);
1893 __swab32s(&b->gid_h);
1894 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1896 EXPORT_SYMBOL(lustre_swab_mdt_body);
1898 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1900 /* handle is opaque */
1901 __swab64s(&b->ioepoch);
1902 __swab32s(&b->flags);
1903 CLASSERT(offsetof(typeof(*b), padding) != 0);
1905 EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
1907 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1910 __swab32s(&mti->mti_lustre_ver);
1911 __swab32s(&mti->mti_stripe_index);
1912 __swab32s(&mti->mti_config_ver);
1913 __swab32s(&mti->mti_flags);
1914 __swab32s(&mti->mti_instance);
1915 __swab32s(&mti->mti_nid_count);
1916 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1917 for (i = 0; i < MTI_NIDS_MAX; i++)
1918 __swab64s(&mti->mti_nids[i]);
1920 EXPORT_SYMBOL(lustre_swab_mgs_target_info);
1922 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1926 __swab64s(&entry->mne_version);
1927 __swab32s(&entry->mne_instance);
1928 __swab32s(&entry->mne_index);
1929 __swab32s(&entry->mne_length);
1931 /* mne_nid_(count|type) must be one byte size because we're gonna
1932 * access it w/o swapping. */
1933 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1934 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1936 /* remove this assertion if ipv6 is supported. */
1937 LASSERT(entry->mne_nid_type == 0);
1938 for (i = 0; i < entry->mne_nid_count; i++) {
1939 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1940 __swab64s(&entry->u.nids[i]);
1943 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1945 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1947 __swab64s(&body->mcb_offset);
1948 __swab32s(&body->mcb_units);
1949 __swab16s(&body->mcb_type);
1951 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1953 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1955 __swab64s(&body->mcr_offset);
1956 __swab64s(&body->mcr_size);
1958 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1960 static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i)
1962 __swab64s(&i->dqi_bgrace);
1963 __swab64s(&i->dqi_igrace);
1964 __swab32s(&i->dqi_flags);
1965 __swab32s(&i->dqi_valid);
1968 static void lustre_swab_obd_dqblk(struct obd_dqblk *b)
1970 __swab64s(&b->dqb_ihardlimit);
1971 __swab64s(&b->dqb_isoftlimit);
1972 __swab64s(&b->dqb_curinodes);
1973 __swab64s(&b->dqb_bhardlimit);
1974 __swab64s(&b->dqb_bsoftlimit);
1975 __swab64s(&b->dqb_curspace);
1976 __swab64s(&b->dqb_btime);
1977 __swab64s(&b->dqb_itime);
1978 __swab32s(&b->dqb_valid);
1979 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1982 void lustre_swab_obd_quotactl(struct obd_quotactl *q)
1984 __swab32s(&q->qc_cmd);
1985 __swab32s(&q->qc_type);
1986 __swab32s(&q->qc_id);
1987 __swab32s(&q->qc_stat);
1988 lustre_swab_obd_dqinfo(&q->qc_dqinfo);
1989 lustre_swab_obd_dqblk(&q->qc_dqblk);
1991 EXPORT_SYMBOL(lustre_swab_obd_quotactl);
1993 void lustre_swab_mdt_remote_perm(struct mdt_remote_perm *p)
1995 __swab32s(&p->rp_uid);
1996 __swab32s(&p->rp_gid);
1997 __swab32s(&p->rp_fsuid);
1998 __swab32s(&p->rp_fsuid_h);
1999 __swab32s(&p->rp_fsgid);
2000 __swab32s(&p->rp_fsgid_h);
2001 __swab32s(&p->rp_access_perm);
2002 __swab32s(&p->rp_padding);
2004 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
2006 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
2008 lustre_swab_lu_fid(&gf->gf_fid);
2009 __swab64s(&gf->gf_recno);
2010 __swab32s(&gf->gf_linkno);
2011 __swab32s(&gf->gf_pathlen);
2013 EXPORT_SYMBOL(lustre_swab_fid2path);
2015 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
2017 __swab64s(&fm_extent->fe_logical);
2018 __swab64s(&fm_extent->fe_physical);
2019 __swab64s(&fm_extent->fe_length);
2020 __swab32s(&fm_extent->fe_flags);
2021 __swab32s(&fm_extent->fe_device);
2024 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
2028 __swab64s(&fiemap->fm_start);
2029 __swab64s(&fiemap->fm_length);
2030 __swab32s(&fiemap->fm_flags);
2031 __swab32s(&fiemap->fm_mapped_extents);
2032 __swab32s(&fiemap->fm_extent_count);
2033 __swab32s(&fiemap->fm_reserved);
2035 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2036 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2038 EXPORT_SYMBOL(lustre_swab_fiemap);
2040 void lustre_swab_idx_info(struct idx_info *ii)
2042 __swab32s(&ii->ii_magic);
2043 __swab32s(&ii->ii_flags);
2044 __swab16s(&ii->ii_count);
2045 __swab32s(&ii->ii_attrs);
2046 lustre_swab_lu_fid(&ii->ii_fid);
2047 __swab64s(&ii->ii_version);
2048 __swab64s(&ii->ii_hash_start);
2049 __swab64s(&ii->ii_hash_end);
2050 __swab16s(&ii->ii_keysize);
2051 __swab16s(&ii->ii_recsize);
2054 void lustre_swab_lip_header(struct lu_idxpage *lip)
2057 __swab32s(&lip->lip_magic);
2058 __swab16s(&lip->lip_flags);
2059 __swab16s(&lip->lip_nr);
2061 EXPORT_SYMBOL(lustre_swab_lip_header);
2063 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2065 __swab32s(&rr->rr_opcode);
2066 __swab32s(&rr->rr_cap);
2067 __swab32s(&rr->rr_fsuid);
2068 /* rr_fsuid_h is unused */
2069 __swab32s(&rr->rr_fsgid);
2070 /* rr_fsgid_h is unused */
2071 __swab32s(&rr->rr_suppgid1);
2072 /* rr_suppgid1_h is unused */
2073 __swab32s(&rr->rr_suppgid2);
2074 /* rr_suppgid2_h is unused */
2075 lustre_swab_lu_fid(&rr->rr_fid1);
2076 lustre_swab_lu_fid(&rr->rr_fid2);
2077 __swab64s(&rr->rr_mtime);
2078 __swab64s(&rr->rr_atime);
2079 __swab64s(&rr->rr_ctime);
2080 __swab64s(&rr->rr_size);
2081 __swab64s(&rr->rr_blocks);
2082 __swab32s(&rr->rr_bias);
2083 __swab32s(&rr->rr_mode);
2084 __swab32s(&rr->rr_flags);
2085 __swab32s(&rr->rr_flags_h);
2086 __swab32s(&rr->rr_umask);
2088 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2090 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
2092 void lustre_swab_lov_desc(struct lov_desc *ld)
2094 __swab32s(&ld->ld_tgt_count);
2095 __swab32s(&ld->ld_active_tgt_count);
2096 __swab32s(&ld->ld_default_stripe_count);
2097 __swab32s(&ld->ld_pattern);
2098 __swab64s(&ld->ld_default_stripe_size);
2099 __swab64s(&ld->ld_default_stripe_offset);
2100 __swab32s(&ld->ld_qos_maxage);
2101 /* uuid endian insensitive */
2103 EXPORT_SYMBOL(lustre_swab_lov_desc);
2105 void lustre_swab_lmv_desc(struct lmv_desc *ld)
2107 __swab32s(&ld->ld_tgt_count);
2108 __swab32s(&ld->ld_active_tgt_count);
2109 __swab32s(&ld->ld_default_stripe_count);
2110 __swab32s(&ld->ld_pattern);
2111 __swab64s(&ld->ld_default_hash_size);
2112 __swab32s(&ld->ld_qos_maxage);
2113 /* uuid endian insensitive */
2116 void lustre_swab_lmv_stripe_md(struct lmv_stripe_md *mea)
2118 __swab32s(&mea->mea_magic);
2119 __swab32s(&mea->mea_count);
2120 __swab32s(&mea->mea_master);
2121 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
2124 void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2128 __swab32s(&lum->lum_magic);
2129 __swab32s(&lum->lum_stripe_count);
2130 __swab32s(&lum->lum_stripe_offset);
2131 __swab32s(&lum->lum_hash_type);
2132 __swab32s(&lum->lum_type);
2133 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2134 CLASSERT(offsetof(typeof(*lum), lum_padding2) != 0);
2135 CLASSERT(offsetof(typeof(*lum), lum_padding3) != 0);
2137 for (i = 0; i < lum->lum_stripe_count; i++) {
2138 __swab32s(&lum->lum_objects[i].lum_mds);
2139 lustre_swab_lu_fid(&lum->lum_objects[i].lum_fid);
2143 EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2145 static void print_lum(struct lov_user_md *lum)
2147 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
2148 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
2149 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2150 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lmm_oi_id(&lum->lmm_oi));
2151 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lmm_oi_seq(&lum->lmm_oi));
2152 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2153 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2154 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2155 lum->lmm_stripe_offset);
2158 static void lustre_swab_lmm_oi(struct ost_id *oi)
2160 __swab64s(&oi->oi.oi_id);
2161 __swab64s(&oi->oi.oi_seq);
2164 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2166 __swab32s(&lum->lmm_magic);
2167 __swab32s(&lum->lmm_pattern);
2168 lustre_swab_lmm_oi(&lum->lmm_oi);
2169 __swab32s(&lum->lmm_stripe_size);
2170 __swab16s(&lum->lmm_stripe_count);
2171 __swab16s(&lum->lmm_stripe_offset);
2175 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2177 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2178 lustre_swab_lov_user_md_common(lum);
2180 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2182 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2184 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2185 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2186 /* lmm_pool_name nothing to do with char */
2188 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2190 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2192 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2193 __swab32s(&lmm->lmm_magic);
2194 __swab32s(&lmm->lmm_pattern);
2195 lustre_swab_lmm_oi(&lmm->lmm_oi);
2196 __swab32s(&lmm->lmm_stripe_size);
2197 __swab16s(&lmm->lmm_stripe_count);
2198 __swab16s(&lmm->lmm_layout_gen);
2200 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2202 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2207 for (i = 0; i < stripe_count; i++) {
2208 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2209 __swab32s(&(lod[i].l_ost_gen));
2210 __swab32s(&(lod[i].l_ost_idx));
2213 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2215 void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
2219 for (i = 0; i < RES_NAME_SIZE; i++)
2220 __swab64s(&id->name[i]);
2222 EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
2224 void lustre_swab_ldlm_policy_data(ldlm_wire_policy_data_t *d)
2226 /* the lock data is a union and the first two fields are always an
2227 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2228 * data the same way. */
2229 __swab64s(&d->l_extent.start);
2230 __swab64s(&d->l_extent.end);
2231 __swab64s(&d->l_extent.gid);
2232 __swab64s(&d->l_flock.lfw_owner);
2233 __swab32s(&d->l_flock.lfw_pid);
2235 EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
2237 void lustre_swab_ldlm_intent(struct ldlm_intent *i)
2241 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
2243 void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2245 __swab32s(&r->lr_type);
2246 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2247 lustre_swab_ldlm_res_id(&r->lr_name);
2249 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
2251 void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
2253 lustre_swab_ldlm_resource_desc(&l->l_resource);
2254 __swab32s(&l->l_req_mode);
2255 __swab32s(&l->l_granted_mode);
2256 lustre_swab_ldlm_policy_data(&l->l_policy_data);
2258 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
2260 void lustre_swab_ldlm_request(struct ldlm_request *rq)
2262 __swab32s(&rq->lock_flags);
2263 lustre_swab_ldlm_lock_desc(&rq->lock_desc);
2264 __swab32s(&rq->lock_count);
2265 /* lock_handle[] opaque */
2267 EXPORT_SYMBOL(lustre_swab_ldlm_request);
2269 void lustre_swab_ldlm_reply(struct ldlm_reply *r)
2271 __swab32s(&r->lock_flags);
2272 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2273 lustre_swab_ldlm_lock_desc(&r->lock_desc);
2274 /* lock_handle opaque */
2275 __swab64s(&r->lock_policy_res1);
2276 __swab64s(&r->lock_policy_res2);
2278 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
2280 void lustre_swab_quota_body(struct quota_body *b)
2282 lustre_swab_lu_fid(&b->qb_fid);
2283 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2284 __swab32s(&b->qb_flags);
2285 __swab64s(&b->qb_count);
2286 __swab64s(&b->qb_usage);
2287 __swab64s(&b->qb_slv_ver);
2290 /* Dump functions */
2291 void dump_ioo(struct obd_ioobj *ioo)
2294 "obd_ioobj: ioo_oid="DOSTID", ioo_max_brw=%#x, "
2295 "ioo_bufct=%d\n", POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2298 EXPORT_SYMBOL(dump_ioo);
2300 void dump_rniobuf(struct niobuf_remote *nb)
2302 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2303 nb->offset, nb->len, nb->flags);
2305 EXPORT_SYMBOL(dump_rniobuf);
2307 void dump_obdo(struct obdo *oa)
2309 __u32 valid = oa->o_valid;
2311 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2312 if (valid & OBD_MD_FLID)
2313 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2314 if (valid & OBD_MD_FLFID)
2315 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2317 if (valid & OBD_MD_FLSIZE)
2318 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2319 if (valid & OBD_MD_FLMTIME)
2320 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2321 if (valid & OBD_MD_FLATIME)
2322 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2323 if (valid & OBD_MD_FLCTIME)
2324 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2325 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2326 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2327 if (valid & OBD_MD_FLGRANT)
2328 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2329 if (valid & OBD_MD_FLBLKSZ)
2330 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2331 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2332 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2333 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2334 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2335 if (valid & OBD_MD_FLUID)
2336 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2337 if (valid & OBD_MD_FLUID)
2338 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2339 if (valid & OBD_MD_FLGID)
2340 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2341 if (valid & OBD_MD_FLGID)
2342 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2343 if (valid & OBD_MD_FLFLAGS)
2344 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2345 if (valid & OBD_MD_FLNLINK)
2346 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2347 else if (valid & OBD_MD_FLCKSUM)
2348 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2350 if (valid & OBD_MD_FLGENER)
2351 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2353 if (valid & OBD_MD_FLEPOCH)
2354 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2356 if (valid & OBD_MD_FLFID) {
2357 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2359 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2362 if (valid & OBD_MD_FLHANDLE)
2363 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2364 oa->o_handle.cookie);
2365 if (valid & OBD_MD_FLCOOKIE)
2366 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2367 "(llog_cookie dumping not yet implemented)\n");
2369 EXPORT_SYMBOL(dump_obdo);
2371 void dump_ost_body(struct ost_body *ob)
2375 EXPORT_SYMBOL(dump_ost_body);
2377 void dump_rcs(__u32 *rc)
2379 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2381 EXPORT_SYMBOL(dump_rcs);
2383 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2385 LASSERT(req->rq_reqmsg);
2387 switch (req->rq_reqmsg->lm_magic) {
2388 case LUSTRE_MSG_MAGIC_V2:
2389 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2391 CERROR("bad lustre msg magic: %#08X\n",
2392 req->rq_reqmsg->lm_magic);
2397 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2399 LASSERT(req->rq_repmsg);
2401 switch (req->rq_repmsg->lm_magic) {
2402 case LUSTRE_MSG_MAGIC_V2:
2403 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2405 /* uninitialized yet */
2410 void _debug_req(struct ptlrpc_request *req,
2411 struct libcfs_debug_msg_data *msgdata,
2412 const char *fmt, ...)
2414 int req_ok = req->rq_reqmsg != NULL;
2415 int rep_ok = req->rq_repmsg != NULL;
2416 lnet_nid_t nid = LNET_NID_ANY;
2419 if (ptlrpc_req_need_swab(req)) {
2420 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2421 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2424 if (req->rq_import && req->rq_import->imp_connection)
2425 nid = req->rq_import->imp_connection->c_peer.nid;
2426 else if (req->rq_export && req->rq_export->exp_connection)
2427 nid = req->rq_export->exp_connection->c_peer.nid;
2429 va_start(args, fmt);
2430 libcfs_debug_vmsg2(msgdata, fmt, args,
2431 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2432 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2433 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2434 req, req->rq_xid, req->rq_transno,
2435 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2436 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2438 req->rq_import->imp_obd->obd_name :
2440 req->rq_export->exp_client_uuid.uuid :
2442 libcfs_nid2str(nid),
2443 req->rq_request_portal, req->rq_reply_portal,
2444 req->rq_reqlen, req->rq_replen,
2445 req->rq_early_count, req->rq_timedout,
2447 atomic_read(&req->rq_refcount),
2448 DEBUG_REQ_FLAGS(req),
2449 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2450 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2452 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2455 EXPORT_SYMBOL(_debug_req);
2457 void lustre_swab_lustre_capa(struct lustre_capa *c)
2459 lustre_swab_lu_fid(&c->lc_fid);
2460 __swab64s(&c->lc_opc);
2461 __swab64s(&c->lc_uid);
2462 __swab64s(&c->lc_gid);
2463 __swab32s(&c->lc_flags);
2464 __swab32s(&c->lc_keyid);
2465 __swab32s(&c->lc_timeout);
2466 __swab32s(&c->lc_expiry);
2468 EXPORT_SYMBOL(lustre_swab_lustre_capa);
2470 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2472 __swab64s(&k->lk_seq);
2473 __swab32s(&k->lk_keyid);
2474 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2476 EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
2478 void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2480 __swab32s(&state->hus_states);
2481 __swab32s(&state->hus_archive_id);
2483 EXPORT_SYMBOL(lustre_swab_hsm_user_state);
2485 void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2487 __swab32s(&hss->hss_valid);
2488 __swab64s(&hss->hss_setmask);
2489 __swab64s(&hss->hss_clearmask);
2490 __swab32s(&hss->hss_archive_id);
2492 EXPORT_SYMBOL(lustre_swab_hsm_state_set);
2494 void lustre_swab_hsm_extent(struct hsm_extent *extent)
2496 __swab64s(&extent->offset);
2497 __swab64s(&extent->length);
2500 void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2502 __swab32s(&action->hca_state);
2503 __swab32s(&action->hca_action);
2504 lustre_swab_hsm_extent(&action->hca_location);
2506 EXPORT_SYMBOL(lustre_swab_hsm_current_action);
2508 void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2510 lustre_swab_lu_fid(&hui->hui_fid);
2511 lustre_swab_hsm_extent(&hui->hui_extent);
2513 EXPORT_SYMBOL(lustre_swab_hsm_user_item);
2515 void lustre_swab_layout_intent(struct layout_intent *li)
2517 __swab32s(&li->li_opc);
2518 __swab32s(&li->li_flags);
2519 __swab64s(&li->li_start);
2520 __swab64s(&li->li_end);
2522 EXPORT_SYMBOL(lustre_swab_layout_intent);
2524 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2526 lustre_swab_lu_fid(&hpk->hpk_fid);
2527 __swab64s(&hpk->hpk_cookie);
2528 __swab64s(&hpk->hpk_extent.offset);
2529 __swab64s(&hpk->hpk_extent.length);
2530 __swab16s(&hpk->hpk_flags);
2531 __swab16s(&hpk->hpk_errval);
2533 EXPORT_SYMBOL(lustre_swab_hsm_progress_kernel);
2535 void lustre_swab_hsm_request(struct hsm_request *hr)
2537 __swab32s(&hr->hr_action);
2538 __swab32s(&hr->hr_archive_id);
2539 __swab64s(&hr->hr_flags);
2540 __swab32s(&hr->hr_itemcount);
2541 __swab32s(&hr->hr_data_len);
2543 EXPORT_SYMBOL(lustre_swab_hsm_request);
2545 void lustre_swab_update_buf(struct update_buf *ub)
2547 __swab32s(&ub->ub_magic);
2548 __swab32s(&ub->ub_count);
2550 EXPORT_SYMBOL(lustre_swab_update_buf);
2552 void lustre_swab_update_reply_buf(struct update_reply *ur)
2556 __swab32s(&ur->ur_version);
2557 __swab32s(&ur->ur_count);
2558 for (i = 0; i < ur->ur_count; i++)
2559 __swab32s(&ur->ur_lens[i]);
2561 EXPORT_SYMBOL(lustre_swab_update_reply_buf);
2563 void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2565 __swab64s(&msl->msl_flags);
2567 EXPORT_SYMBOL(lustre_swab_swap_layouts);
2569 void lustre_swab_close_data(struct close_data *cd)
2571 lustre_swab_lu_fid(&cd->cd_fid);
2572 __swab64s(&cd->cd_data_version);
2574 EXPORT_SYMBOL(lustre_swab_close_data);