1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
30 * Use is subject to license terms.
33 * Copyright (c) 2011 Whamcloud, Inc.
36 * This file is part of Lustre, http://www.lustre.org/
37 * Lustre is a trademark of Sun Microsystems, Inc.
39 * lustre/ptlrpc/pack_generic.c
41 * (Un)packing of OST requests
43 * Author: Peter J. Braam <braam@clusterfs.com>
44 * Author: Phil Schwan <phil@clusterfs.com>
45 * Author: Eric Barton <eeb@clusterfs.com>
48 #define DEBUG_SUBSYSTEM S_RPC
50 # include <liblustre.h>
53 #include <libcfs/libcfs.h>
55 #include <obd_support.h>
56 #include <obd_class.h>
57 #include <lustre_net.h>
58 #include <obd_cksum.h>
59 #include <lustre/ll_fiemap.h>
61 static inline int lustre_msg_hdr_size_v2(int count)
63 return cfs_size_round(offsetof(struct lustre_msg_v2,
67 int lustre_msg_hdr_size(__u32 magic, int count)
70 case LUSTRE_MSG_MAGIC_V2:
71 return lustre_msg_hdr_size_v2(count);
73 LASSERTF(0, "incorrect message magic: %08x\n", magic);
77 EXPORT_SYMBOL(lustre_msg_hdr_size);
79 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
83 lustre_set_req_swabbed(req, index);
85 lustre_set_rep_swabbed(req, index);
88 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
92 return (ptlrpc_req_need_swab(req) &&
93 !lustre_req_swabbed(req, index));
95 return (ptlrpc_rep_need_swab(req) &&
96 !lustre_rep_swabbed(req, index));
99 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
102 __u32 ver = lustre_msg_get_version(msg);
103 return (ver & LUSTRE_VERSION_MASK) != version;
106 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
108 switch (msg->lm_magic) {
109 case LUSTRE_MSG_MAGIC_V1:
110 CERROR("msg v1 not supported - please upgrade you system\n");
112 case LUSTRE_MSG_MAGIC_V2:
113 return lustre_msg_check_version_v2(msg, version);
115 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
120 /* early reply size */
121 int lustre_msg_early_size()
125 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, NULL);
128 EXPORT_SYMBOL(lustre_msg_early_size);
130 int lustre_msg_size_v2(int count, __u32 *lengths)
135 size = lustre_msg_hdr_size_v2(count);
136 for (i = 0; i < count; i++)
137 size += cfs_size_round(lengths[i]);
141 EXPORT_SYMBOL(lustre_msg_size_v2);
143 /* This returns the size of the buffer that is required to hold a lustre_msg
144 * with the given sub-buffer lengths.
145 * NOTE: this should only be used for NEW requests, and should always be
146 * in the form of a v2 request. If this is a connection to a v1
147 * target then the first buffer will be stripped because the ptlrpc
148 * data is part of the lustre_msg_v1 header. b=14043 */
149 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
151 __u32 size[] = { sizeof(struct ptlrpc_body) };
159 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
162 case LUSTRE_MSG_MAGIC_V2:
163 return lustre_msg_size_v2(count, lens);
165 LASSERTF(0, "incorrect message magic: %08x\n", magic);
170 /* This is used to determine the size of a buffer that was already packed
171 * and will correctly handle the different message formats. */
172 int lustre_packed_msg_size(struct lustre_msg *msg)
174 switch (msg->lm_magic) {
175 case LUSTRE_MSG_MAGIC_V2:
176 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
178 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
183 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
189 msg->lm_bufcount = count;
190 /* XXX: lm_secflvr uninitialized here */
191 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
193 for (i = 0; i < count; i++)
194 msg->lm_buflens[i] = lens[i];
199 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
200 for (i = 0; i < count; i++) {
202 LOGL(tmp, lens[i], ptr);
205 EXPORT_SYMBOL(lustre_init_msg_v2);
207 static int lustre_pack_request_v2(struct ptlrpc_request *req,
208 int count, __u32 *lens, char **bufs)
212 reqlen = lustre_msg_size_v2(count, lens);
214 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
218 req->rq_reqlen = reqlen;
220 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
221 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
225 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
226 __u32 *lens, char **bufs)
228 __u32 size[] = { sizeof(struct ptlrpc_body) };
236 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
238 /* only use new format, we don't need to be compatible with 1.4 */
239 magic = LUSTRE_MSG_MAGIC_V2;
242 case LUSTRE_MSG_MAGIC_V2:
243 return lustre_pack_request_v2(req, count, lens, bufs);
245 LASSERTF(0, "incorrect message magic: %08x\n", magic);
251 CFS_LIST_HEAD(ptlrpc_rs_debug_lru);
252 cfs_spinlock_t ptlrpc_rs_debug_lock;
254 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
256 cfs_spin_lock(&ptlrpc_rs_debug_lock); \
257 cfs_list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
258 cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
261 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
263 cfs_spin_lock(&ptlrpc_rs_debug_lock); \
264 cfs_list_del(&(rs)->rs_debug_list); \
265 cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
268 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
269 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
272 struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc)
274 struct ptlrpc_reply_state *rs = NULL;
276 cfs_spin_lock(&svc->srv_rs_lock);
277 /* See if we have anything in a pool, and wait if nothing */
278 while (cfs_list_empty(&svc->srv_free_rs_list)) {
279 struct l_wait_info lwi;
281 cfs_spin_unlock(&svc->srv_rs_lock);
282 /* If we cannot get anything for some long time, we better
283 bail out instead of waiting infinitely */
284 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
285 rc = l_wait_event(svc->srv_free_rs_waitq,
286 !cfs_list_empty(&svc->srv_free_rs_list),
290 cfs_spin_lock(&svc->srv_rs_lock);
293 rs = cfs_list_entry(svc->srv_free_rs_list.next,
294 struct ptlrpc_reply_state, rs_list);
295 cfs_list_del(&rs->rs_list);
296 cfs_spin_unlock(&svc->srv_rs_lock);
298 memset(rs, 0, svc->srv_max_reply_size);
299 rs->rs_service = svc;
305 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
307 struct ptlrpc_service *svc = rs->rs_service;
311 cfs_spin_lock(&svc->srv_rs_lock);
312 cfs_list_add(&rs->rs_list, &svc->srv_free_rs_list);
313 cfs_spin_unlock(&svc->srv_rs_lock);
314 cfs_waitq_signal(&svc->srv_free_rs_waitq);
317 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
318 __u32 *lens, char **bufs, int flags)
320 struct ptlrpc_reply_state *rs;
324 LASSERT(req->rq_reply_state == NULL);
326 if ((flags & LPRFL_EARLY_REPLY) == 0) {
327 cfs_spin_lock(&req->rq_lock);
328 req->rq_packed_final = 1;
329 cfs_spin_unlock(&req->rq_lock);
332 msg_len = lustre_msg_size_v2(count, lens);
333 rc = sptlrpc_svc_alloc_rs(req, msg_len);
337 rs = req->rq_reply_state;
338 cfs_atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
339 rs->rs_cb_id.cbid_fn = reply_out_callback;
340 rs->rs_cb_id.cbid_arg = rs;
341 rs->rs_service = req->rq_rqbd->rqbd_service;
342 CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
343 CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
344 CFS_INIT_LIST_HEAD(&rs->rs_list);
345 cfs_spin_lock_init(&rs->rs_lock);
347 req->rq_replen = msg_len;
348 req->rq_reply_state = rs;
349 req->rq_repmsg = rs->rs_msg;
351 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
352 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
354 PTLRPC_RS_DEBUG_LRU_ADD(rs);
358 EXPORT_SYMBOL(lustre_pack_reply_v2);
360 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
361 char **bufs, int flags)
364 __u32 size[] = { sizeof(struct ptlrpc_body) };
372 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
374 switch (req->rq_reqmsg->lm_magic) {
375 case LUSTRE_MSG_MAGIC_V2:
376 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
379 LASSERTF(0, "incorrect message magic: %08x\n",
380 req->rq_reqmsg->lm_magic);
384 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
385 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
389 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
392 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
395 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
397 int i, offset, buflen, bufcount;
402 bufcount = m->lm_bufcount;
403 if (unlikely(n >= bufcount)) {
404 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
409 buflen = m->lm_buflens[n];
410 if (unlikely(buflen < min_size)) {
411 CERROR("msg %p buffer[%d] size %d too small "
412 "(required %d, opc=%d)\n", m, n, buflen, min_size,
413 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
417 offset = lustre_msg_hdr_size_v2(bufcount);
418 for (i = 0; i < n; i++)
419 offset += cfs_size_round(m->lm_buflens[i]);
421 return (char *)m + offset;
424 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
426 switch (m->lm_magic) {
427 case LUSTRE_MSG_MAGIC_V2:
428 return lustre_msg_buf_v2(m, n, min_size);
430 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
435 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
436 unsigned int newlen, int move_data)
438 char *tail = NULL, *newpos;
442 LASSERT(msg->lm_bufcount > segment);
443 LASSERT(msg->lm_buflens[segment] >= newlen);
445 if (msg->lm_buflens[segment] == newlen)
448 if (move_data && msg->lm_bufcount > segment + 1) {
449 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
450 for (n = segment + 1; n < msg->lm_bufcount; n++)
451 tail_len += cfs_size_round(msg->lm_buflens[n]);
454 msg->lm_buflens[segment] = newlen;
456 if (tail && tail_len) {
457 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
458 LASSERT(newpos <= tail);
460 memmove(newpos, tail, tail_len);
463 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
467 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
468 * we also move data forward from @segment + 1.
470 * if @newlen == 0, we remove the segment completely, but we still keep the
471 * totally bufcount the same to save possible data moving. this will leave a
472 * unused segment with size 0 at the tail, but that's ok.
474 * return new msg size after shrinking.
477 * + if any buffers higher than @segment has been filled in, must call shrink
478 * with non-zero @move_data.
479 * + caller should NOT keep pointers to msg buffers which higher than @segment
482 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
483 unsigned int newlen, int move_data)
485 switch (msg->lm_magic) {
486 case LUSTRE_MSG_MAGIC_V2:
487 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
489 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
493 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
495 PTLRPC_RS_DEBUG_LRU_DEL(rs);
497 LASSERT (cfs_atomic_read(&rs->rs_refcount) == 0);
498 LASSERT (!rs->rs_difficult || rs->rs_handled);
499 LASSERT (!rs->rs_on_net);
500 LASSERT (!rs->rs_scheduled);
501 LASSERT (rs->rs_export == NULL);
502 LASSERT (rs->rs_nlocks == 0);
503 LASSERT (cfs_list_empty(&rs->rs_exp_list));
504 LASSERT (cfs_list_empty(&rs->rs_obd_list));
506 sptlrpc_svc_free_rs(rs);
509 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
511 int swabbed, required_len, i;
513 /* Now we know the sender speaks my language. */
514 required_len = lustre_msg_hdr_size_v2(0);
515 if (len < required_len) {
516 /* can't even look inside the message */
517 CERROR("message length %d too small for lustre_msg\n", len);
521 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
524 __swab32s(&m->lm_magic);
525 __swab32s(&m->lm_bufcount);
526 __swab32s(&m->lm_secflvr);
527 __swab32s(&m->lm_repsize);
528 __swab32s(&m->lm_cksum);
529 __swab32s(&m->lm_flags);
530 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
531 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
534 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
535 if (len < required_len) {
536 /* didn't receive all the buffer lengths */
537 CERROR ("message length %d too small for %d buflens\n",
538 len, m->lm_bufcount);
542 for (i = 0; i < m->lm_bufcount; i++) {
544 __swab32s(&m->lm_buflens[i]);
545 required_len += cfs_size_round(m->lm_buflens[i]);
548 if (len < required_len) {
549 CERROR("len: %d, required_len %d\n", len, required_len);
550 CERROR("bufcount: %d\n", m->lm_bufcount);
551 for (i = 0; i < m->lm_bufcount; i++)
552 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
559 int __lustre_unpack_msg(struct lustre_msg *m, int len)
561 int required_len, rc;
564 /* We can provide a slightly better error log, if we check the
565 * message magic and version first. In the future, struct
566 * lustre_msg may grow, and we'd like to log a version mismatch,
567 * rather than a short message.
570 required_len = offsetof(struct lustre_msg, lm_magic) +
572 if (len < required_len) {
573 /* can't even look inside the message */
574 CERROR("message length %d too small for magic/version check\n",
579 rc = lustre_unpack_msg_v2(m, len);
583 EXPORT_SYMBOL(__lustre_unpack_msg);
585 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
588 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
590 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
596 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
599 rc = __lustre_unpack_msg(req->rq_repmsg, len);
601 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
607 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
608 const int inout, int offset)
610 struct ptlrpc_body *pb;
611 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
613 pb = lustre_msg_buf_v2(m, offset, sizeof(*pb));
615 CERROR("error unpacking ptlrpc body\n");
618 if (ptlrpc_buf_need_swab(req, inout, offset)) {
619 lustre_swab_ptlrpc_body(pb);
620 ptlrpc_buf_set_swabbed(req, inout, offset);
623 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
624 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
631 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
633 switch (req->rq_reqmsg->lm_magic) {
634 case LUSTRE_MSG_MAGIC_V2:
635 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
637 CERROR("bad lustre msg magic: %08x\n",
638 req->rq_reqmsg->lm_magic);
643 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
645 switch (req->rq_repmsg->lm_magic) {
646 case LUSTRE_MSG_MAGIC_V2:
647 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
649 CERROR("bad lustre msg magic: %08x\n",
650 req->rq_repmsg->lm_magic);
655 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
657 if (n >= m->lm_bufcount)
660 return m->lm_buflens[n];
664 * lustre_msg_buflen - return the length of buffer \a n in message \a m
665 * \param m lustre_msg (request or reply) to look at
666 * \param n message index (base 0)
668 * returns zero for non-existent message indices
670 int lustre_msg_buflen(struct lustre_msg *m, int n)
672 switch (m->lm_magic) {
673 case LUSTRE_MSG_MAGIC_V2:
674 return lustre_msg_buflen_v2(m, n);
676 CERROR("incorrect message magic: %08x\n", m->lm_magic);
680 EXPORT_SYMBOL(lustre_msg_buflen);
683 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
685 if (n >= m->lm_bufcount)
688 m->lm_buflens[n] = len;
691 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
693 switch (m->lm_magic) {
694 case LUSTRE_MSG_MAGIC_V2:
695 lustre_msg_set_buflen_v2(m, n, len);
698 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
702 EXPORT_SYMBOL(lustre_msg_set_buflen);
704 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
705 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
706 int lustre_msg_bufcount(struct lustre_msg *m)
708 switch (m->lm_magic) {
709 case LUSTRE_MSG_MAGIC_V2:
710 return m->lm_bufcount;
712 CERROR("incorrect message magic: %08x\n", m->lm_magic);
716 EXPORT_SYMBOL(lustre_msg_bufcount);
718 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
720 /* max_len == 0 means the string should fill the buffer */
724 switch (m->lm_magic) {
725 case LUSTRE_MSG_MAGIC_V2:
726 str = lustre_msg_buf_v2(m, index, 0);
727 blen = lustre_msg_buflen_v2(m, index);
730 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
734 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
738 slen = strnlen(str, blen);
740 if (slen == blen) { /* not NULL terminated */
741 CERROR("can't unpack non-NULL terminated string in "
742 "msg %p buffer[%d] len %d\n", m, index, blen);
747 if (slen != blen - 1) {
748 CERROR("can't unpack short string in msg %p "
749 "buffer[%d] len %d: strlen %d\n",
750 m, index, blen, slen);
753 } else if (slen > max_len) {
754 CERROR("can't unpack oversized string in msg %p "
755 "buffer[%d] len %d strlen %d: max %d expected\n",
756 m, index, blen, slen, max_len);
763 /* Wrap up the normal fixed length cases */
764 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
765 int min_size, void *swabber)
769 LASSERT(msg != NULL);
770 switch (msg->lm_magic) {
771 case LUSTRE_MSG_MAGIC_V2:
772 ptr = lustre_msg_buf_v2(msg, index, min_size);
775 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
779 ((void (*)(void *))swabber)(ptr);
784 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
786 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
787 sizeof(struct ptlrpc_body));
790 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
792 switch (msg->lm_magic) {
793 case LUSTRE_MSG_MAGIC_V1:
794 case LUSTRE_MSG_MAGIC_V1_SWABBED:
796 case LUSTRE_MSG_MAGIC_V2:
797 /* already in host endian */
798 return msg->lm_flags;
800 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
804 EXPORT_SYMBOL(lustre_msghdr_get_flags);
806 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
808 switch (msg->lm_magic) {
809 case LUSTRE_MSG_MAGIC_V1:
811 case LUSTRE_MSG_MAGIC_V2:
812 msg->lm_flags = flags;
815 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
819 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
821 switch (msg->lm_magic) {
822 case LUSTRE_MSG_MAGIC_V2: {
823 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
825 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
831 /* flags might be printed in debug code while message
837 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
839 switch (msg->lm_magic) {
840 case LUSTRE_MSG_MAGIC_V2: {
841 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
842 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
843 pb->pb_flags |= flags;
847 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
851 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
853 switch (msg->lm_magic) {
854 case LUSTRE_MSG_MAGIC_V2: {
855 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
856 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
857 pb->pb_flags = flags;
861 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
865 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
867 switch (msg->lm_magic) {
868 case LUSTRE_MSG_MAGIC_V2: {
869 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
870 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
871 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
875 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
879 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
881 switch (msg->lm_magic) {
882 case LUSTRE_MSG_MAGIC_V2: {
883 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
885 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
888 return pb->pb_op_flags;
895 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
897 switch (msg->lm_magic) {
898 case LUSTRE_MSG_MAGIC_V2: {
899 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
900 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
901 pb->pb_op_flags |= flags;
905 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
909 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
911 switch (msg->lm_magic) {
912 case LUSTRE_MSG_MAGIC_V2: {
913 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
914 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
915 pb->pb_op_flags |= flags;
919 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
923 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
925 switch (msg->lm_magic) {
926 case LUSTRE_MSG_MAGIC_V2: {
927 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
929 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
932 return &pb->pb_handle;
935 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
940 __u32 lustre_msg_get_type(struct lustre_msg *msg)
942 switch (msg->lm_magic) {
943 case LUSTRE_MSG_MAGIC_V2: {
944 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
946 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
947 return PTL_RPC_MSG_ERR;
952 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
953 return PTL_RPC_MSG_ERR;
957 __u32 lustre_msg_get_version(struct lustre_msg *msg)
959 switch (msg->lm_magic) {
960 case LUSTRE_MSG_MAGIC_V2: {
961 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
963 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
966 return pb->pb_version;
969 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
974 void lustre_msg_add_version(struct lustre_msg *msg, int version)
976 switch (msg->lm_magic) {
977 case LUSTRE_MSG_MAGIC_V2: {
978 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
979 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
980 pb->pb_version |= version;
984 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
988 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
990 switch (msg->lm_magic) {
991 case LUSTRE_MSG_MAGIC_V2: {
992 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
994 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1000 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1006 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1008 switch (msg->lm_magic) {
1009 case LUSTRE_MSG_MAGIC_V2: {
1010 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1012 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1015 return pb->pb_last_xid;
1018 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1023 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1025 switch (msg->lm_magic) {
1026 case LUSTRE_MSG_MAGIC_V2: {
1027 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1029 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1032 return pb->pb_last_committed;
1035 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1040 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1042 switch (msg->lm_magic) {
1043 case LUSTRE_MSG_MAGIC_V1:
1045 case LUSTRE_MSG_MAGIC_V2: {
1046 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1048 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1051 return pb->pb_pre_versions;
1054 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1059 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1061 switch (msg->lm_magic) {
1062 case LUSTRE_MSG_MAGIC_V2: {
1063 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1065 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1068 return pb->pb_transno;
1071 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1076 int lustre_msg_get_status(struct lustre_msg *msg)
1078 switch (msg->lm_magic) {
1079 case LUSTRE_MSG_MAGIC_V2: {
1080 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1082 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1085 return pb->pb_status;
1088 /* status might be printed in debug code while message
1094 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1096 switch (msg->lm_magic) {
1097 case LUSTRE_MSG_MAGIC_V2: {
1098 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1100 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1106 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1112 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1114 switch (msg->lm_magic) {
1115 case LUSTRE_MSG_MAGIC_V2: {
1116 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1118 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1125 CERROR("invalid msg magic %x\n", msg->lm_magic);
1130 __u32 lustre_msg_get_limit(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);
1139 return pb->pb_limit;
1142 CERROR("invalid msg magic %x\n", msg->lm_magic);
1148 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1150 switch (msg->lm_magic) {
1151 case LUSTRE_MSG_MAGIC_V2: {
1152 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1154 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1157 pb->pb_limit = limit;
1161 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1166 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1168 switch (msg->lm_magic) {
1169 case LUSTRE_MSG_MAGIC_V2: {
1170 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1172 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1175 return pb->pb_conn_cnt;
1178 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1183 int lustre_msg_is_v1(struct lustre_msg *msg)
1185 switch (msg->lm_magic) {
1186 case LUSTRE_MSG_MAGIC_V1:
1187 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1194 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1196 switch (msg->lm_magic) {
1197 case LUSTRE_MSG_MAGIC_V2:
1198 return msg->lm_magic;
1200 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1205 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1207 switch (msg->lm_magic) {
1208 case LUSTRE_MSG_MAGIC_V1:
1209 case LUSTRE_MSG_MAGIC_V1_SWABBED:
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);
1218 return pb->pb_timeout;
1221 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1226 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1228 switch (msg->lm_magic) {
1229 case LUSTRE_MSG_MAGIC_V1:
1230 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1232 case LUSTRE_MSG_MAGIC_V2: {
1233 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1235 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1239 return pb->pb_service_time;
1242 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1247 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1249 switch (msg->lm_magic) {
1250 case LUSTRE_MSG_MAGIC_V2:
1251 return msg->lm_cksum;
1253 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1258 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
1260 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1261 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1262 * more sense to compute the checksum on the full ptlrpc_body, regardless
1263 * of what size it is, but in order to keep interoperability with 1.8 we
1264 * can optionally also checksum only the first 88 bytes (caller decides). */
1265 # define ptlrpc_body_cksum_size_compat18 88
1267 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1269 # warning "remove checksum compatibility support for b1_8"
1270 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1273 switch (msg->lm_magic) {
1274 case LUSTRE_MSG_MAGIC_V2: {
1275 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1276 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
1277 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1278 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1279 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1280 return crc32_le(~(__u32)0, (unsigned char *)pb, len);
1282 # warning "remove checksum compatibility support for b1_8"
1283 return crc32_le(~(__u32)0, (unsigned char *)pb,
1284 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF));
1288 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1293 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1295 switch (msg->lm_magic) {
1296 case LUSTRE_MSG_MAGIC_V2: {
1297 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1298 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1299 pb->pb_handle = *handle;
1303 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1307 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1309 switch (msg->lm_magic) {
1310 case LUSTRE_MSG_MAGIC_V2: {
1311 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1312 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1317 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1321 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1323 switch (msg->lm_magic) {
1324 case LUSTRE_MSG_MAGIC_V2: {
1325 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1326 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1331 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1335 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1337 switch (msg->lm_magic) {
1338 case LUSTRE_MSG_MAGIC_V2: {
1339 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1340 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1341 pb->pb_last_xid = last_xid;
1345 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1349 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1351 switch (msg->lm_magic) {
1352 case LUSTRE_MSG_MAGIC_V2: {
1353 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1354 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1355 pb->pb_last_committed = last_committed;
1359 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1363 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1365 switch (msg->lm_magic) {
1366 case LUSTRE_MSG_MAGIC_V1:
1368 case LUSTRE_MSG_MAGIC_V2: {
1369 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1370 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1371 pb->pb_pre_versions[0] = versions[0];
1372 pb->pb_pre_versions[1] = versions[1];
1373 pb->pb_pre_versions[2] = versions[2];
1374 pb->pb_pre_versions[3] = versions[3];
1378 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1382 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
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);
1388 pb->pb_transno = transno;
1392 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1396 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1398 switch (msg->lm_magic) {
1399 case LUSTRE_MSG_MAGIC_V2: {
1400 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1401 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1402 pb->pb_status = status;
1406 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1410 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1412 switch (msg->lm_magic) {
1413 case LUSTRE_MSG_MAGIC_V2: {
1414 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1415 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1416 pb->pb_conn_cnt = conn_cnt;
1420 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1424 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1426 switch (msg->lm_magic) {
1427 case LUSTRE_MSG_MAGIC_V1:
1429 case LUSTRE_MSG_MAGIC_V2: {
1430 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1431 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1432 pb->pb_timeout = timeout;
1436 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1440 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1442 switch (msg->lm_magic) {
1443 case LUSTRE_MSG_MAGIC_V1:
1445 case LUSTRE_MSG_MAGIC_V2: {
1446 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1447 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1448 pb->pb_service_time = service_time;
1452 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1456 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1458 switch (msg->lm_magic) {
1459 case LUSTRE_MSG_MAGIC_V1:
1461 case LUSTRE_MSG_MAGIC_V2:
1462 msg->lm_cksum = cksum;
1465 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1470 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1472 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1474 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1475 req->rq_pill.rc_area[RCL_SERVER]);
1476 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1477 req->rq_reqmsg->lm_repsize = req->rq_replen;
1480 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1482 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1483 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1484 req->rq_reqmsg->lm_repsize = req->rq_replen;
1488 * Send a remote set_info_async.
1490 * This may go from client to server or server to client.
1492 int do_set_info_async(struct obd_import *imp,
1493 int opcode, int version,
1494 obd_count keylen, void *key,
1495 obd_count vallen, void *val,
1496 struct ptlrpc_request_set *set)
1498 struct ptlrpc_request *req;
1503 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1507 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1508 RCL_CLIENT, keylen);
1509 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1510 RCL_CLIENT, vallen);
1511 rc = ptlrpc_request_pack(req, version, opcode);
1513 ptlrpc_request_free(req);
1517 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1518 memcpy(tmp, key, keylen);
1519 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1520 memcpy(tmp, val, vallen);
1522 ptlrpc_request_set_replen(req);
1525 ptlrpc_set_add_req(set, req);
1526 ptlrpc_check_set(NULL, set);
1528 rc = ptlrpc_queue_wait(req);
1529 ptlrpc_req_finished(req);
1534 EXPORT_SYMBOL(do_set_info_async);
1536 /* byte flipping routines for all wire types declared in
1537 * lustre_idl.h implemented here.
1539 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1541 __swab32s (&b->pb_type);
1542 __swab32s (&b->pb_version);
1543 __swab32s (&b->pb_opc);
1544 __swab32s (&b->pb_status);
1545 __swab64s (&b->pb_last_xid);
1546 __swab64s (&b->pb_last_seen);
1547 __swab64s (&b->pb_last_committed);
1548 __swab64s (&b->pb_transno);
1549 __swab32s (&b->pb_flags);
1550 __swab32s (&b->pb_op_flags);
1551 __swab32s (&b->pb_conn_cnt);
1552 __swab32s (&b->pb_timeout);
1553 __swab32s (&b->pb_service_time);
1554 __swab32s (&b->pb_limit);
1555 __swab64s (&b->pb_slv);
1556 __swab64s (&b->pb_pre_versions[0]);
1557 __swab64s (&b->pb_pre_versions[1]);
1558 __swab64s (&b->pb_pre_versions[2]);
1559 __swab64s (&b->pb_pre_versions[3]);
1560 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1563 void lustre_swab_connect(struct obd_connect_data *ocd)
1565 __swab64s(&ocd->ocd_connect_flags);
1566 __swab32s(&ocd->ocd_version);
1567 __swab32s(&ocd->ocd_grant);
1568 __swab64s(&ocd->ocd_ibits_known);
1569 __swab32s(&ocd->ocd_index);
1570 __swab32s(&ocd->ocd_brw_size);
1571 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1572 * they are 8-byte values */
1573 __swab16s(&ocd->ocd_grant_extent);
1574 CLASSERT(offsetof(typeof(*ocd), ocd_unused) != 0);
1575 __swab64s(&ocd->ocd_transno);
1576 __swab32s(&ocd->ocd_group);
1577 __swab32s(&ocd->ocd_cksum_types);
1578 /* Fields after ocd_maxbytes are only accessible by the receiver
1579 * if the corresponding flag in ocd_connect_flags is set. Accessing
1580 * any field after ocd_maxbytes on the receiver without a valid flag
1581 * may result in out-of-bound memory access and kernel oops. */
1582 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1583 __swab32s(&ocd->ocd_max_easize);
1584 CLASSERT(offsetof(typeof(*ocd), padding) != 0);
1585 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1586 __swab64s(&ocd->ocd_maxbytes);
1587 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1588 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1589 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1590 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1591 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1592 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1593 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1594 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1595 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1596 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1597 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1598 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1599 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1600 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1601 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1604 void lustre_swab_obdo (struct obdo *o)
1606 __swab64s (&o->o_valid);
1607 __swab64s (&o->o_id);
1608 __swab64s (&o->o_seq);
1609 __swab64s (&o->o_parent_seq);
1610 __swab64s (&o->o_size);
1611 __swab64s (&o->o_mtime);
1612 __swab64s (&o->o_atime);
1613 __swab64s (&o->o_ctime);
1614 __swab64s (&o->o_blocks);
1615 __swab64s (&o->o_grant);
1616 __swab32s (&o->o_blksize);
1617 __swab32s (&o->o_mode);
1618 __swab32s (&o->o_uid);
1619 __swab32s (&o->o_gid);
1620 __swab32s (&o->o_flags);
1621 __swab32s (&o->o_nlink);
1622 __swab32s (&o->o_parent_oid);
1623 __swab32s (&o->o_misc);
1624 __swab64s (&o->o_ioepoch);
1625 __swab32s (&o->o_stripe_idx);
1626 __swab32s (&o->o_parent_ver);
1627 /* o_handle is opaque */
1628 /* o_lcookie is swabbed elsewhere */
1629 __swab32s (&o->o_uid_h);
1630 __swab32s (&o->o_gid_h);
1631 CLASSERT(offsetof(typeof(*o), o_padding_3) != 0);
1632 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1633 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1634 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1638 void lustre_swab_obd_statfs (struct obd_statfs *os)
1640 __swab64s (&os->os_type);
1641 __swab64s (&os->os_blocks);
1642 __swab64s (&os->os_bfree);
1643 __swab64s (&os->os_bavail);
1644 __swab64s (&os->os_files);
1645 __swab64s (&os->os_ffree);
1646 /* no need to swab os_fsid */
1647 __swab32s (&os->os_bsize);
1648 __swab32s (&os->os_namelen);
1649 __swab64s (&os->os_maxbytes);
1650 __swab32s (&os->os_state);
1651 CLASSERT(offsetof(typeof(*os), os_spare1) != 0);
1652 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1653 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1654 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1655 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1656 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1657 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1658 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1659 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1662 void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
1664 __swab64s (&ioo->ioo_id);
1665 __swab64s (&ioo->ioo_seq);
1666 __swab32s (&ioo->ioo_type);
1667 __swab32s (&ioo->ioo_bufcnt);
1670 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1672 __swab64s (&nbr->offset);
1673 __swab32s (&nbr->len);
1674 __swab32s (&nbr->flags);
1677 void lustre_swab_ost_body (struct ost_body *b)
1679 lustre_swab_obdo (&b->oa);
1682 void lustre_swab_ost_last_id(obd_id *id)
1687 void lustre_swab_generic_32s(__u32 *val)
1692 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1694 __swab64s(&lvb->lvb_size);
1695 __swab64s(&lvb->lvb_mtime);
1696 __swab64s(&lvb->lvb_atime);
1697 __swab64s(&lvb->lvb_ctime);
1698 __swab64s(&lvb->lvb_blocks);
1701 void lustre_swab_mds_status_req (struct mds_status_req *r)
1703 __swab32s (&r->flags);
1704 __swab32s (&r->repbuf);
1707 void lustre_swab_mds_body (struct mds_body *b)
1709 lustre_swab_ll_fid (&b->fid1);
1710 lustre_swab_ll_fid (&b->fid2);
1711 /* handle is opaque */
1712 __swab64s (&b->valid);
1713 __swab64s (&b->size);
1714 __swab64s (&b->mtime);
1715 __swab64s (&b->atime);
1716 __swab64s (&b->ctime);
1717 __swab64s (&b->blocks);
1718 __swab64s (&b->io_epoch);
1719 __swab64s (&b->ino);
1720 __swab32s (&b->fsuid);
1721 __swab32s (&b->fsgid);
1722 __swab32s (&b->capability);
1723 __swab32s (&b->mode);
1724 __swab32s (&b->uid);
1725 __swab32s (&b->gid);
1726 __swab32s (&b->flags);
1727 __swab32s (&b->rdev);
1728 __swab32s (&b->nlink);
1729 __swab32s (&b->generation);
1730 __swab32s (&b->suppgid);
1731 __swab32s (&b->eadatasize);
1732 __swab32s (&b->aclsize);
1733 __swab32s (&b->max_mdsize);
1734 __swab32s (&b->max_cookiesize);
1735 CLASSERT(offsetof(typeof(*b), padding_4) != 0);
1738 void lustre_swab_mdt_body (struct mdt_body *b)
1740 lustre_swab_lu_fid (&b->fid1);
1741 lustre_swab_lu_fid (&b->fid2);
1742 /* handle is opaque */
1743 __swab64s (&b->valid);
1744 __swab64s (&b->size);
1745 __swab64s (&b->mtime);
1746 __swab64s (&b->atime);
1747 __swab64s (&b->ctime);
1748 __swab64s (&b->blocks);
1749 __swab64s (&b->ioepoch);
1750 __swab64s (&b->ino);
1751 __swab32s (&b->fsuid);
1752 __swab32s (&b->fsgid);
1753 __swab32s (&b->capability);
1754 __swab32s (&b->mode);
1755 __swab32s (&b->uid);
1756 __swab32s (&b->gid);
1757 __swab32s (&b->flags);
1758 __swab32s (&b->rdev);
1759 __swab32s (&b->nlink);
1760 __swab32s (&b->generation);
1761 __swab32s (&b->suppgid);
1762 __swab32s (&b->eadatasize);
1763 __swab32s (&b->aclsize);
1764 __swab32s (&b->max_mdsize);
1765 __swab32s (&b->max_cookiesize);
1766 __swab32s (&b->uid_h);
1767 __swab32s (&b->gid_h);
1768 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1771 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1773 /* handle is opaque */
1774 __swab64s (&b->ioepoch);
1775 __swab32s (&b->flags);
1776 CLASSERT(offsetof(typeof(*b), padding) != 0);
1779 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1782 __swab32s(&mti->mti_lustre_ver);
1783 __swab32s(&mti->mti_stripe_index);
1784 __swab32s(&mti->mti_config_ver);
1785 __swab32s(&mti->mti_flags);
1786 __swab32s(&mti->mti_nid_count);
1787 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1788 for (i = 0; i < MTI_NIDS_MAX; i++)
1789 __swab64s(&mti->mti_nids[i]);
1792 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1794 __swab64s (&i->dqi_bgrace);
1795 __swab64s (&i->dqi_igrace);
1796 __swab32s (&i->dqi_flags);
1797 __swab32s (&i->dqi_valid);
1800 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1802 __swab64s (&b->dqb_ihardlimit);
1803 __swab64s (&b->dqb_isoftlimit);
1804 __swab64s (&b->dqb_curinodes);
1805 __swab64s (&b->dqb_bhardlimit);
1806 __swab64s (&b->dqb_bsoftlimit);
1807 __swab64s (&b->dqb_curspace);
1808 __swab64s (&b->dqb_btime);
1809 __swab64s (&b->dqb_itime);
1810 __swab32s (&b->dqb_valid);
1811 CLASSERT(offsetof(typeof(*b), padding) != 0);
1814 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1816 __swab32s (&q->qc_cmd);
1817 __swab32s (&q->qc_type);
1818 __swab32s (&q->qc_id);
1819 __swab32s (&q->qc_stat);
1820 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1821 lustre_swab_obd_dqblk (&q->qc_dqblk);
1824 void lustre_swab_quota_adjust_qunit (struct quota_adjust_qunit *q)
1826 __swab32s (&q->qaq_flags);
1827 __swab32s (&q->qaq_id);
1828 __swab64s (&q->qaq_bunit_sz);
1829 __swab64s (&q->qaq_iunit_sz);
1830 __swab64s (&q->padding1);
1833 void lustre_swab_mds_remote_perm (struct mds_remote_perm *p)
1835 __swab32s (&p->rp_uid);
1836 __swab32s (&p->rp_gid);
1837 __swab32s (&p->rp_fsuid);
1838 __swab32s (&p->rp_fsgid);
1839 __swab32s (&p->rp_access_perm);
1842 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1844 __swab32s (&p->rp_uid);
1845 __swab32s (&p->rp_gid);
1846 __swab32s (&p->rp_fsuid);
1847 __swab32s (&p->rp_fsuid_h);
1848 __swab32s (&p->rp_fsgid);
1849 __swab32s (&p->rp_fsgid_h);
1850 __swab32s (&p->rp_access_perm);
1853 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1855 lustre_swab_lu_fid(&gf->gf_fid);
1856 __swab64s(&gf->gf_recno);
1857 __swab32s(&gf->gf_linkno);
1858 __swab32s(&gf->gf_pathlen);
1860 EXPORT_SYMBOL(lustre_swab_fid2path);
1862 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1864 __swab64s(&fm_extent->fe_logical);
1865 __swab64s(&fm_extent->fe_physical);
1866 __swab64s(&fm_extent->fe_length);
1867 __swab32s(&fm_extent->fe_flags);
1868 __swab32s(&fm_extent->fe_device);
1871 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1875 __swab64s(&fiemap->fm_start);
1876 __swab64s(&fiemap->fm_length);
1877 __swab32s(&fiemap->fm_flags);
1878 __swab32s(&fiemap->fm_mapped_extents);
1879 __swab32s(&fiemap->fm_extent_count);
1880 __swab32s(&fiemap->fm_reserved);
1882 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1883 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1886 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1888 __swab32s (&rr->rr_opcode);
1889 __swab32s (&rr->rr_cap);
1890 __swab32s (&rr->rr_fsuid);
1891 /* rr_fsuid_h is unused */
1892 __swab32s (&rr->rr_fsgid);
1893 /* rr_fsgid_h is unused */
1894 __swab32s (&rr->rr_suppgid1);
1895 /* rr_suppgid1_h is unused */
1896 __swab32s (&rr->rr_suppgid2);
1897 /* rr_suppgid2_h is unused */
1898 lustre_swab_lu_fid (&rr->rr_fid1);
1899 lustre_swab_lu_fid (&rr->rr_fid2);
1900 __swab64s (&rr->rr_mtime);
1901 __swab64s (&rr->rr_atime);
1902 __swab64s (&rr->rr_ctime);
1903 __swab64s (&rr->rr_size);
1904 __swab64s (&rr->rr_blocks);
1905 __swab32s (&rr->rr_bias);
1906 __swab32s (&rr->rr_mode);
1907 __swab32s (&rr->rr_flags);
1909 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
1910 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
1911 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1914 void lustre_swab_lov_desc (struct lov_desc *ld)
1916 __swab32s (&ld->ld_tgt_count);
1917 __swab32s (&ld->ld_active_tgt_count);
1918 __swab32s (&ld->ld_default_stripe_count);
1919 __swab32s (&ld->ld_pattern);
1920 __swab64s (&ld->ld_default_stripe_size);
1921 __swab64s (&ld->ld_default_stripe_offset);
1922 __swab32s (&ld->ld_qos_maxage);
1923 /* uuid endian insensitive */
1926 void lustre_swab_lmv_desc (struct lmv_desc *ld)
1928 __swab32s (&ld->ld_tgt_count);
1929 __swab32s (&ld->ld_active_tgt_count);
1930 __swab32s (&ld->ld_default_stripe_count);
1931 __swab32s (&ld->ld_pattern);
1932 __swab64s (&ld->ld_default_hash_size);
1933 __swab32s (&ld->ld_qos_maxage);
1934 /* uuid endian insensitive */
1937 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
1939 __swab32s(&mea->mea_magic);
1940 __swab32s(&mea->mea_count);
1941 __swab32s(&mea->mea_master);
1942 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
1946 static void print_lum (struct lov_user_md *lum)
1948 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
1949 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
1950 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
1951 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
1952 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_seq);
1953 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
1954 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
1955 CDEBUG(D_OTHER, "\tlmm_stripe_offset: %#x\n", lum->lmm_stripe_offset);
1958 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
1961 __swab32s(&lum->lmm_magic);
1962 __swab32s(&lum->lmm_pattern);
1963 __swab64s(&lum->lmm_object_id);
1964 __swab64s(&lum->lmm_object_seq);
1965 __swab32s(&lum->lmm_stripe_size);
1966 __swab16s(&lum->lmm_stripe_count);
1967 __swab16s(&lum->lmm_stripe_offset);
1972 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
1975 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
1976 lustre_swab_lov_user_md_common(lum);
1980 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
1983 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
1984 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
1985 /* lmm_pool_name nothing to do with char */
1989 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
1992 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
1993 __swab32s(&lmm->lmm_magic);
1994 __swab32s(&lmm->lmm_pattern);
1995 __swab64s(&lmm->lmm_object_id);
1996 __swab64s(&lmm->lmm_object_seq);
1997 __swab32s(&lmm->lmm_stripe_size);
1998 __swab32s(&lmm->lmm_stripe_count);
2002 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2007 for (i = 0; i < stripe_count; i++) {
2008 __swab64s(&(lod[i].l_object_id));
2009 __swab64s(&(lod[i].l_object_seq));
2010 __swab32s(&(lod[i].l_ost_gen));
2011 __swab32s(&(lod[i].l_ost_idx));
2017 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2021 for (i = 0; i < RES_NAME_SIZE; i++)
2022 __swab64s (&id->name[i]);
2025 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2027 /* the lock data is a union and the first two fields are always an
2028 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2029 * data the same way. */
2030 __swab64s(&d->l_extent.start);
2031 __swab64s(&d->l_extent.end);
2032 __swab64s(&d->l_extent.gid);
2033 __swab64s(&d->l_flock.lfw_owner);
2034 __swab32s(&d->l_flock.lfw_pid);
2037 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2039 __swab64s (&i->opc);
2042 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2044 __swab32s (&r->lr_type);
2045 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2046 lustre_swab_ldlm_res_id (&r->lr_name);
2049 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2051 lustre_swab_ldlm_resource_desc (&l->l_resource);
2052 __swab32s (&l->l_req_mode);
2053 __swab32s (&l->l_granted_mode);
2054 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2057 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2059 __swab32s (&rq->lock_flags);
2060 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2061 __swab32s (&rq->lock_count);
2062 /* lock_handle[] opaque */
2065 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2067 __swab32s (&r->lock_flags);
2068 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2069 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2070 /* lock_handle opaque */
2071 __swab64s (&r->lock_policy_res1);
2072 __swab64s (&r->lock_policy_res2);
2075 /* no one calls this */
2076 int llog_log_swabbed(struct llog_log_hdr *hdr)
2078 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
2080 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
2085 void lustre_swab_qdata(struct qunit_data *d)
2087 __swab32s (&d->qd_id);
2088 __swab32s (&d->qd_flags);
2089 __swab64s (&d->qd_count);
2090 __swab64s (&d->qd_qunit);
2091 CLASSERT(offsetof(typeof(*d), padding) != 0);
2094 /* Dump functions */
2095 void dump_ioo(struct obd_ioobj *ioo)
2098 "obd_ioobj: ioo_id="LPD64", ioo_seq="LPD64", ioo_type=%d, "
2099 "ioo_bufct=%d\n", ioo->ioo_id, ioo->ioo_seq, ioo->ioo_type,
2103 void dump_rniobuf(struct niobuf_remote *nb)
2105 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2106 nb->offset, nb->len, nb->flags);
2109 void dump_obdo(struct obdo *oa)
2111 __u32 valid = oa->o_valid;
2113 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2114 if (valid & OBD_MD_FLID)
2115 CDEBUG(D_RPCTRACE, "obdo: o_id = "LPD64"\n", oa->o_id);
2116 if (valid & OBD_MD_FLGROUP)
2117 CDEBUG(D_RPCTRACE, "obdo: o_seq = "LPD64"\n", oa->o_seq);
2118 if (valid & OBD_MD_FLFID)
2119 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2121 if (valid & OBD_MD_FLSIZE)
2122 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2123 if (valid & OBD_MD_FLMTIME)
2124 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2125 if (valid & OBD_MD_FLATIME)
2126 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2127 if (valid & OBD_MD_FLCTIME)
2128 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2129 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2130 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2131 if (valid & OBD_MD_FLGRANT)
2132 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2133 if (valid & OBD_MD_FLBLKSZ)
2134 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2135 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2136 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2137 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2138 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2139 if (valid & OBD_MD_FLUID)
2140 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2141 if (valid & OBD_MD_FLUID)
2142 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2143 if (valid & OBD_MD_FLGID)
2144 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2145 if (valid & OBD_MD_FLGID)
2146 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2147 if (valid & OBD_MD_FLFLAGS)
2148 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2149 if (valid & OBD_MD_FLNLINK)
2150 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2151 else if (valid & OBD_MD_FLCKSUM)
2152 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2154 if (valid & OBD_MD_FLGENER)
2155 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2157 if (valid & OBD_MD_FLEPOCH)
2158 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2160 if (valid & OBD_MD_FLFID) {
2161 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2163 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2166 if (valid & OBD_MD_FLHANDLE)
2167 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2168 oa->o_handle.cookie);
2169 if (valid & OBD_MD_FLCOOKIE)
2170 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2171 "(llog_cookie dumping not yet implemented)\n");
2174 void dump_ost_body(struct ost_body *ob)
2179 void dump_rcs(__u32 *rc)
2181 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2187 * got qdata from request(req/rep)
2189 struct qunit_data *quota_get_qdata(void *r, int is_req, int is_exp)
2191 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2192 struct qunit_data *qdata;
2193 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2194 req->rq_import->imp_connect_data.ocd_connect_flags;
2197 /* support for quota64 */
2198 LASSERT(flags & OBD_CONNECT_QUOTA64);
2199 /* support for change_qs */
2200 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2202 if (is_req == QUOTA_REQUEST)
2203 qdata = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2205 qdata = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2207 return ERR_PTR(-EPROTO);
2209 QDATA_SET_CHANGE_QS(qdata);
2212 EXPORT_SYMBOL(quota_get_qdata);
2215 * copy qdata to request(req/rep)
2217 int quota_copy_qdata(void *r, struct qunit_data *qdata, int is_req,
2220 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2222 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2223 req->rq_import->imp_connect_data.ocd_connect_flags;
2227 /* support for quota64 */
2228 LASSERT(flags & OBD_CONNECT_QUOTA64);
2229 /* support for change_qs */
2230 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2232 if (is_req == QUOTA_REQUEST)
2233 target = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2235 target = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2239 LASSERT(target != qdata);
2240 memcpy(target, qdata, sizeof(*qdata));
2243 EXPORT_SYMBOL(quota_copy_qdata);
2244 #endif /* __KERNEL__ */
2246 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2248 LASSERT(req->rq_reqmsg);
2250 switch (req->rq_reqmsg->lm_magic) {
2251 case LUSTRE_MSG_MAGIC_V2:
2252 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2254 CERROR("bad lustre msg magic: %#08X\n",
2255 req->rq_reqmsg->lm_magic);
2260 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2262 LASSERT(req->rq_repmsg);
2264 switch (req->rq_repmsg->lm_magic) {
2265 case LUSTRE_MSG_MAGIC_V2:
2266 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2268 /* uninitialized yet */
2273 void _debug_req(struct ptlrpc_request *req, __u32 mask,
2274 struct libcfs_debug_msg_data *data, const char *fmt, ... )
2277 va_start(args, fmt);
2278 libcfs_debug_vmsg2(data->msg_cdls, data->msg_subsys, mask, data->msg_file,
2279 data->msg_fn, data->msg_line, fmt, args,
2280 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2281 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2282 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2283 req, req->rq_xid, req->rq_transno,
2284 req->rq_reqmsg ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2285 req->rq_reqmsg && req_ptlrpc_body_swabbed(req) ?
2286 lustre_msg_get_opc(req->rq_reqmsg) : -1,
2287 req->rq_import ? obd2cli_tgt(req->rq_import->imp_obd) :
2289 (char*)req->rq_export->exp_client_uuid.uuid : "<?>",
2291 (char *)req->rq_import->imp_connection->c_remote_uuid.uuid :
2293 (char *)req->rq_export->exp_connection->c_remote_uuid.uuid : "<?>",
2294 req->rq_request_portal, req->rq_reply_portal,
2295 req->rq_reqlen, req->rq_replen,
2296 req->rq_early_count, req->rq_timedout,
2298 cfs_atomic_read(&req->rq_refcount),
2299 DEBUG_REQ_FLAGS(req),
2300 req->rq_reqmsg && req_ptlrpc_body_swabbed(req) ?
2301 lustre_msg_get_flags(req->rq_reqmsg) : -1,
2302 req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
2303 lustre_msg_get_flags(req->rq_repmsg) : -1,
2305 req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
2306 lustre_msg_get_status(req->rq_repmsg) : -1);
2308 EXPORT_SYMBOL(_debug_req);
2310 void lustre_swab_lustre_capa(struct lustre_capa *c)
2312 lustre_swab_lu_fid(&c->lc_fid);
2313 __swab64s (&c->lc_opc);
2314 __swab64s (&c->lc_uid);
2315 __swab64s (&c->lc_gid);
2316 __swab32s (&c->lc_flags);
2317 __swab32s (&c->lc_keyid);
2318 __swab32s (&c->lc_timeout);
2319 __swab32s (&c->lc_expiry);
2322 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2324 __swab64s (&k->lk_seq);
2325 __swab32s (&k->lk_keyid);
2326 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2329 void lustre_swab_hsm_state(struct hsm_state_set_ioc *hssi)
2331 lustre_swab_lu_fid(&hssi->hssi_fid);
2332 __swab64s(&hssi->hssi_setmask);
2333 __swab64s(&hssi->hssi_clearmask);
2335 EXPORT_SYMBOL(lustre_swab_hsm_state);
2337 void lustre_swab_hsm_user_request(struct hsm_user_request *hur)
2341 __swab32s(&hur->hur_action);
2342 __swab32s(&hur->hur_itemcount);
2343 __swab32s(&hur->hur_data_len);
2344 for (i = 0; i < hur->hur_itemcount; i++) {
2345 struct hsm_user_item *hui = &hur->hur_user_item[i];
2346 lustre_swab_lu_fid(&hui->hui_fid);
2347 __swab64s(&hui->hui_extent.offset);
2348 __swab64s(&hui->hui_extent.length);
2350 /* Note: data blob is not swabbed here */
2352 EXPORT_SYMBOL(lustre_swab_hsm_user_request);
2354 void lustre_swab_hsm_progress(struct hsm_progress *hp)
2356 lustre_swab_lu_fid(&hp->hp_fid);
2357 __swab64s(&hp->hp_cookie);
2358 __swab64s(&hp->hp_extent.offset);
2359 __swab64s(&hp->hp_extent.length);
2360 __swab16s(&hp->hp_flags);
2361 __swab16s(&hp->hp_errval);
2363 EXPORT_SYMBOL(lustre_swab_hsm_progress);