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.
32 * Copyright (c) 2011, 2012, Whamcloud, Inc.
35 * This file is part of Lustre, http://www.lustre.org/
36 * Lustre is a trademark of Sun Microsystems, Inc.
38 * lustre/ptlrpc/pack_generic.c
40 * (Un)packing of OST requests
42 * Author: Peter J. Braam <braam@clusterfs.com>
43 * Author: Phil Schwan <phil@clusterfs.com>
44 * Author: Eric Barton <eeb@clusterfs.com>
47 #define DEBUG_SUBSYSTEM S_RPC
49 # include <liblustre.h>
52 #include <libcfs/libcfs.h>
54 #include <obd_support.h>
55 #include <obd_class.h>
56 #include <lustre_net.h>
57 #include <obd_cksum.h>
58 #include <lustre/ll_fiemap.h>
60 static inline int lustre_msg_hdr_size_v2(int count)
62 return cfs_size_round(offsetof(struct lustre_msg_v2,
66 int lustre_msg_hdr_size(__u32 magic, int count)
69 case LUSTRE_MSG_MAGIC_V2:
70 return lustre_msg_hdr_size_v2(count);
72 LASSERTF(0, "incorrect message magic: %08x\n", magic);
76 EXPORT_SYMBOL(lustre_msg_hdr_size);
78 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
82 lustre_set_req_swabbed(req, index);
84 lustre_set_rep_swabbed(req, index);
87 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
91 return (ptlrpc_req_need_swab(req) &&
92 !lustre_req_swabbed(req, index));
94 return (ptlrpc_rep_need_swab(req) &&
95 !lustre_rep_swabbed(req, index));
98 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
101 __u32 ver = lustre_msg_get_version(msg);
102 return (ver & LUSTRE_VERSION_MASK) != version;
105 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
107 switch (msg->lm_magic) {
108 case LUSTRE_MSG_MAGIC_V1:
109 CERROR("msg v1 not supported - please upgrade you system\n");
111 case LUSTRE_MSG_MAGIC_V2:
112 return lustre_msg_check_version_v2(msg, version);
114 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
119 /* early reply size */
120 int lustre_msg_early_size()
124 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, NULL);
127 EXPORT_SYMBOL(lustre_msg_early_size);
129 int lustre_msg_size_v2(int count, __u32 *lengths)
134 size = lustre_msg_hdr_size_v2(count);
135 for (i = 0; i < count; i++)
136 size += cfs_size_round(lengths[i]);
140 EXPORT_SYMBOL(lustre_msg_size_v2);
142 /* This returns the size of the buffer that is required to hold a lustre_msg
143 * with the given sub-buffer lengths.
144 * NOTE: this should only be used for NEW requests, and should always be
145 * in the form of a v2 request. If this is a connection to a v1
146 * target then the first buffer will be stripped because the ptlrpc
147 * data is part of the lustre_msg_v1 header. b=14043 */
148 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
150 __u32 size[] = { sizeof(struct ptlrpc_body) };
158 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
161 case LUSTRE_MSG_MAGIC_V2:
162 return lustre_msg_size_v2(count, lens);
164 LASSERTF(0, "incorrect message magic: %08x\n", magic);
169 /* This is used to determine the size of a buffer that was already packed
170 * and will correctly handle the different message formats. */
171 int lustre_packed_msg_size(struct lustre_msg *msg)
173 switch (msg->lm_magic) {
174 case LUSTRE_MSG_MAGIC_V2:
175 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
177 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
182 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
188 msg->lm_bufcount = count;
189 /* XXX: lm_secflvr uninitialized here */
190 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
192 for (i = 0; i < count; i++)
193 msg->lm_buflens[i] = lens[i];
198 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
199 for (i = 0; i < count; i++) {
201 LOGL(tmp, lens[i], ptr);
204 EXPORT_SYMBOL(lustre_init_msg_v2);
206 static int lustre_pack_request_v2(struct ptlrpc_request *req,
207 int count, __u32 *lens, char **bufs)
211 reqlen = lustre_msg_size_v2(count, lens);
213 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
217 req->rq_reqlen = reqlen;
219 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
220 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
224 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
225 __u32 *lens, char **bufs)
227 __u32 size[] = { sizeof(struct ptlrpc_body) };
235 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
237 /* only use new format, we don't need to be compatible with 1.4 */
238 magic = LUSTRE_MSG_MAGIC_V2;
241 case LUSTRE_MSG_MAGIC_V2:
242 return lustre_pack_request_v2(req, count, lens, bufs);
244 LASSERTF(0, "incorrect message magic: %08x\n", magic);
250 CFS_LIST_HEAD(ptlrpc_rs_debug_lru);
251 cfs_spinlock_t ptlrpc_rs_debug_lock;
253 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
255 cfs_spin_lock(&ptlrpc_rs_debug_lock); \
256 cfs_list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
257 cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
260 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
262 cfs_spin_lock(&ptlrpc_rs_debug_lock); \
263 cfs_list_del(&(rs)->rs_debug_list); \
264 cfs_spin_unlock(&ptlrpc_rs_debug_lock); \
267 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
268 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
271 struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc)
273 struct ptlrpc_reply_state *rs = NULL;
275 cfs_spin_lock(&svc->srv_rs_lock);
276 /* See if we have anything in a pool, and wait if nothing */
277 while (cfs_list_empty(&svc->srv_free_rs_list)) {
278 struct l_wait_info lwi;
280 cfs_spin_unlock(&svc->srv_rs_lock);
281 /* If we cannot get anything for some long time, we better
282 bail out instead of waiting infinitely */
283 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
284 rc = l_wait_event(svc->srv_free_rs_waitq,
285 !cfs_list_empty(&svc->srv_free_rs_list),
289 cfs_spin_lock(&svc->srv_rs_lock);
292 rs = cfs_list_entry(svc->srv_free_rs_list.next,
293 struct ptlrpc_reply_state, rs_list);
294 cfs_list_del(&rs->rs_list);
295 cfs_spin_unlock(&svc->srv_rs_lock);
297 memset(rs, 0, svc->srv_max_reply_size);
298 rs->rs_service = svc;
304 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
306 struct ptlrpc_service *svc = rs->rs_service;
310 cfs_spin_lock(&svc->srv_rs_lock);
311 cfs_list_add(&rs->rs_list, &svc->srv_free_rs_list);
312 cfs_spin_unlock(&svc->srv_rs_lock);
313 cfs_waitq_signal(&svc->srv_free_rs_waitq);
316 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
317 __u32 *lens, char **bufs, int flags)
319 struct ptlrpc_reply_state *rs;
323 LASSERT(req->rq_reply_state == NULL);
325 if ((flags & LPRFL_EARLY_REPLY) == 0) {
326 cfs_spin_lock(&req->rq_lock);
327 req->rq_packed_final = 1;
328 cfs_spin_unlock(&req->rq_lock);
331 msg_len = lustre_msg_size_v2(count, lens);
332 rc = sptlrpc_svc_alloc_rs(req, msg_len);
336 rs = req->rq_reply_state;
337 cfs_atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
338 rs->rs_cb_id.cbid_fn = reply_out_callback;
339 rs->rs_cb_id.cbid_arg = rs;
340 rs->rs_service = req->rq_rqbd->rqbd_service;
341 CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
342 CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
343 CFS_INIT_LIST_HEAD(&rs->rs_list);
344 cfs_spin_lock_init(&rs->rs_lock);
346 req->rq_replen = msg_len;
347 req->rq_reply_state = rs;
348 req->rq_repmsg = rs->rs_msg;
350 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
351 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
353 PTLRPC_RS_DEBUG_LRU_ADD(rs);
357 EXPORT_SYMBOL(lustre_pack_reply_v2);
359 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
360 char **bufs, int flags)
363 __u32 size[] = { sizeof(struct ptlrpc_body) };
371 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
373 switch (req->rq_reqmsg->lm_magic) {
374 case LUSTRE_MSG_MAGIC_V2:
375 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
378 LASSERTF(0, "incorrect message magic: %08x\n",
379 req->rq_reqmsg->lm_magic);
383 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
384 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
388 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
391 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
394 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
396 int i, offset, buflen, bufcount;
401 bufcount = m->lm_bufcount;
402 if (unlikely(n >= bufcount)) {
403 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
408 buflen = m->lm_buflens[n];
409 if (unlikely(buflen < min_size)) {
410 CERROR("msg %p buffer[%d] size %d too small "
411 "(required %d, opc=%d)\n", m, n, buflen, min_size,
412 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
416 offset = lustre_msg_hdr_size_v2(bufcount);
417 for (i = 0; i < n; i++)
418 offset += cfs_size_round(m->lm_buflens[i]);
420 return (char *)m + offset;
423 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
425 switch (m->lm_magic) {
426 case LUSTRE_MSG_MAGIC_V2:
427 return lustre_msg_buf_v2(m, n, min_size);
429 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
434 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
435 unsigned int newlen, int move_data)
437 char *tail = NULL, *newpos;
441 LASSERT(msg->lm_bufcount > segment);
442 LASSERT(msg->lm_buflens[segment] >= newlen);
444 if (msg->lm_buflens[segment] == newlen)
447 if (move_data && msg->lm_bufcount > segment + 1) {
448 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
449 for (n = segment + 1; n < msg->lm_bufcount; n++)
450 tail_len += cfs_size_round(msg->lm_buflens[n]);
453 msg->lm_buflens[segment] = newlen;
455 if (tail && tail_len) {
456 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
457 LASSERT(newpos <= tail);
459 memmove(newpos, tail, tail_len);
462 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
466 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
467 * we also move data forward from @segment + 1.
469 * if @newlen == 0, we remove the segment completely, but we still keep the
470 * totally bufcount the same to save possible data moving. this will leave a
471 * unused segment with size 0 at the tail, but that's ok.
473 * return new msg size after shrinking.
476 * + if any buffers higher than @segment has been filled in, must call shrink
477 * with non-zero @move_data.
478 * + caller should NOT keep pointers to msg buffers which higher than @segment
481 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
482 unsigned int newlen, int move_data)
484 switch (msg->lm_magic) {
485 case LUSTRE_MSG_MAGIC_V2:
486 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
488 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
492 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
494 PTLRPC_RS_DEBUG_LRU_DEL(rs);
496 LASSERT (cfs_atomic_read(&rs->rs_refcount) == 0);
497 LASSERT (!rs->rs_difficult || rs->rs_handled);
498 LASSERT (!rs->rs_on_net);
499 LASSERT (!rs->rs_scheduled);
500 LASSERT (rs->rs_export == NULL);
501 LASSERT (rs->rs_nlocks == 0);
502 LASSERT (cfs_list_empty(&rs->rs_exp_list));
503 LASSERT (cfs_list_empty(&rs->rs_obd_list));
505 sptlrpc_svc_free_rs(rs);
508 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
510 int swabbed, required_len, i;
512 /* Now we know the sender speaks my language. */
513 required_len = lustre_msg_hdr_size_v2(0);
514 if (len < required_len) {
515 /* can't even look inside the message */
516 CERROR("message length %d too small for lustre_msg\n", len);
520 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
523 __swab32s(&m->lm_magic);
524 __swab32s(&m->lm_bufcount);
525 __swab32s(&m->lm_secflvr);
526 __swab32s(&m->lm_repsize);
527 __swab32s(&m->lm_cksum);
528 __swab32s(&m->lm_flags);
529 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
530 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
533 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
534 if (len < required_len) {
535 /* didn't receive all the buffer lengths */
536 CERROR ("message length %d too small for %d buflens\n",
537 len, m->lm_bufcount);
541 for (i = 0; i < m->lm_bufcount; i++) {
543 __swab32s(&m->lm_buflens[i]);
544 required_len += cfs_size_round(m->lm_buflens[i]);
547 if (len < required_len) {
548 CERROR("len: %d, required_len %d\n", len, required_len);
549 CERROR("bufcount: %d\n", m->lm_bufcount);
550 for (i = 0; i < m->lm_bufcount; i++)
551 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
558 int __lustre_unpack_msg(struct lustre_msg *m, int len)
560 int required_len, rc;
563 /* We can provide a slightly better error log, if we check the
564 * message magic and version first. In the future, struct
565 * lustre_msg may grow, and we'd like to log a version mismatch,
566 * rather than a short message.
569 required_len = offsetof(struct lustre_msg, lm_magic) +
571 if (len < required_len) {
572 /* can't even look inside the message */
573 CERROR("message length %d too small for magic/version check\n",
578 rc = lustre_unpack_msg_v2(m, len);
582 EXPORT_SYMBOL(__lustre_unpack_msg);
584 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
587 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
589 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
595 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
598 rc = __lustre_unpack_msg(req->rq_repmsg, len);
600 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
606 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
607 const int inout, int offset)
609 struct ptlrpc_body *pb;
610 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
612 pb = lustre_msg_buf_v2(m, offset, sizeof(*pb));
614 CERROR("error unpacking ptlrpc body\n");
617 if (ptlrpc_buf_need_swab(req, inout, offset)) {
618 lustre_swab_ptlrpc_body(pb);
619 ptlrpc_buf_set_swabbed(req, inout, offset);
622 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
623 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
630 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
632 switch (req->rq_reqmsg->lm_magic) {
633 case LUSTRE_MSG_MAGIC_V2:
634 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
636 CERROR("bad lustre msg magic: %08x\n",
637 req->rq_reqmsg->lm_magic);
642 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
644 switch (req->rq_repmsg->lm_magic) {
645 case LUSTRE_MSG_MAGIC_V2:
646 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
648 CERROR("bad lustre msg magic: %08x\n",
649 req->rq_repmsg->lm_magic);
654 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
656 if (n >= m->lm_bufcount)
659 return m->lm_buflens[n];
663 * lustre_msg_buflen - return the length of buffer \a n in message \a m
664 * \param m lustre_msg (request or reply) to look at
665 * \param n message index (base 0)
667 * returns zero for non-existent message indices
669 int lustre_msg_buflen(struct lustre_msg *m, int n)
671 switch (m->lm_magic) {
672 case LUSTRE_MSG_MAGIC_V2:
673 return lustre_msg_buflen_v2(m, n);
675 CERROR("incorrect message magic: %08x\n", m->lm_magic);
679 EXPORT_SYMBOL(lustre_msg_buflen);
682 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
684 if (n >= m->lm_bufcount)
687 m->lm_buflens[n] = len;
690 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
692 switch (m->lm_magic) {
693 case LUSTRE_MSG_MAGIC_V2:
694 lustre_msg_set_buflen_v2(m, n, len);
697 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
701 EXPORT_SYMBOL(lustre_msg_set_buflen);
703 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
704 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
705 int lustre_msg_bufcount(struct lustre_msg *m)
707 switch (m->lm_magic) {
708 case LUSTRE_MSG_MAGIC_V2:
709 return m->lm_bufcount;
711 CERROR("incorrect message magic: %08x\n", m->lm_magic);
715 EXPORT_SYMBOL(lustre_msg_bufcount);
717 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
719 /* max_len == 0 means the string should fill the buffer */
723 switch (m->lm_magic) {
724 case LUSTRE_MSG_MAGIC_V2:
725 str = lustre_msg_buf_v2(m, index, 0);
726 blen = lustre_msg_buflen_v2(m, index);
729 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
733 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
737 slen = strnlen(str, blen);
739 if (slen == blen) { /* not NULL terminated */
740 CERROR("can't unpack non-NULL terminated string in "
741 "msg %p buffer[%d] len %d\n", m, index, blen);
746 if (slen != blen - 1) {
747 CERROR("can't unpack short string in msg %p "
748 "buffer[%d] len %d: strlen %d\n",
749 m, index, blen, slen);
752 } else if (slen > max_len) {
753 CERROR("can't unpack oversized string in msg %p "
754 "buffer[%d] len %d strlen %d: max %d expected\n",
755 m, index, blen, slen, max_len);
762 /* Wrap up the normal fixed length cases */
763 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
764 int min_size, void *swabber)
768 LASSERT(msg != NULL);
769 switch (msg->lm_magic) {
770 case LUSTRE_MSG_MAGIC_V2:
771 ptr = lustre_msg_buf_v2(msg, index, min_size);
774 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
778 ((void (*)(void *))swabber)(ptr);
783 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
785 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
786 sizeof(struct ptlrpc_body));
789 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
791 switch (msg->lm_magic) {
792 case LUSTRE_MSG_MAGIC_V1:
793 case LUSTRE_MSG_MAGIC_V1_SWABBED:
795 case LUSTRE_MSG_MAGIC_V2:
796 /* already in host endian */
797 return msg->lm_flags;
799 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
803 EXPORT_SYMBOL(lustre_msghdr_get_flags);
805 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
807 switch (msg->lm_magic) {
808 case LUSTRE_MSG_MAGIC_V1:
810 case LUSTRE_MSG_MAGIC_V2:
811 msg->lm_flags = flags;
814 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
818 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
820 switch (msg->lm_magic) {
821 case LUSTRE_MSG_MAGIC_V2: {
822 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
824 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
830 /* flags might be printed in debug code while message
836 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
838 switch (msg->lm_magic) {
839 case LUSTRE_MSG_MAGIC_V2: {
840 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
841 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
842 pb->pb_flags |= flags;
846 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
850 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
852 switch (msg->lm_magic) {
853 case LUSTRE_MSG_MAGIC_V2: {
854 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
855 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
856 pb->pb_flags = flags;
860 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
864 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
866 switch (msg->lm_magic) {
867 case LUSTRE_MSG_MAGIC_V2: {
868 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
869 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
870 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
874 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
878 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
880 switch (msg->lm_magic) {
881 case LUSTRE_MSG_MAGIC_V2: {
882 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
884 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
887 return pb->pb_op_flags;
894 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
896 switch (msg->lm_magic) {
897 case LUSTRE_MSG_MAGIC_V2: {
898 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
899 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
900 pb->pb_op_flags |= flags;
904 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
908 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
910 switch (msg->lm_magic) {
911 case LUSTRE_MSG_MAGIC_V2: {
912 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
913 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
914 pb->pb_op_flags |= flags;
918 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
922 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
924 switch (msg->lm_magic) {
925 case LUSTRE_MSG_MAGIC_V2: {
926 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
928 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
931 return &pb->pb_handle;
934 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
939 __u32 lustre_msg_get_type(struct lustre_msg *msg)
941 switch (msg->lm_magic) {
942 case LUSTRE_MSG_MAGIC_V2: {
943 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
945 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
946 return PTL_RPC_MSG_ERR;
951 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
952 return PTL_RPC_MSG_ERR;
956 __u32 lustre_msg_get_version(struct lustre_msg *msg)
958 switch (msg->lm_magic) {
959 case LUSTRE_MSG_MAGIC_V2: {
960 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
962 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
965 return pb->pb_version;
968 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
973 void lustre_msg_add_version(struct lustre_msg *msg, int version)
975 switch (msg->lm_magic) {
976 case LUSTRE_MSG_MAGIC_V2: {
977 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
978 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
979 pb->pb_version |= version;
983 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
987 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
989 switch (msg->lm_magic) {
990 case LUSTRE_MSG_MAGIC_V2: {
991 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
993 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
999 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1005 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1007 switch (msg->lm_magic) {
1008 case LUSTRE_MSG_MAGIC_V2: {
1009 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1011 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1014 return pb->pb_last_xid;
1017 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1022 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1024 switch (msg->lm_magic) {
1025 case LUSTRE_MSG_MAGIC_V2: {
1026 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1028 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1031 return pb->pb_last_committed;
1034 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1039 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1041 switch (msg->lm_magic) {
1042 case LUSTRE_MSG_MAGIC_V1:
1044 case LUSTRE_MSG_MAGIC_V2: {
1045 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1047 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1050 return pb->pb_pre_versions;
1053 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1058 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1060 switch (msg->lm_magic) {
1061 case LUSTRE_MSG_MAGIC_V2: {
1062 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1064 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1067 return pb->pb_transno;
1070 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1075 int lustre_msg_get_status(struct lustre_msg *msg)
1077 switch (msg->lm_magic) {
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_status;
1087 /* status might be printed in debug code while message
1093 __u64 lustre_msg_get_slv(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);
1105 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1111 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
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);
1124 CERROR("invalid msg magic %x\n", msg->lm_magic);
1129 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1131 switch (msg->lm_magic) {
1132 case LUSTRE_MSG_MAGIC_V2: {
1133 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1135 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1138 return pb->pb_limit;
1141 CERROR("invalid msg magic %x\n", msg->lm_magic);
1147 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1149 switch (msg->lm_magic) {
1150 case LUSTRE_MSG_MAGIC_V2: {
1151 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1153 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1156 pb->pb_limit = limit;
1160 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1165 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1167 switch (msg->lm_magic) {
1168 case LUSTRE_MSG_MAGIC_V2: {
1169 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1171 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1174 return pb->pb_conn_cnt;
1177 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1182 int lustre_msg_is_v1(struct lustre_msg *msg)
1184 switch (msg->lm_magic) {
1185 case LUSTRE_MSG_MAGIC_V1:
1186 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1193 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1195 switch (msg->lm_magic) {
1196 case LUSTRE_MSG_MAGIC_V2:
1197 return msg->lm_magic;
1199 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1204 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1206 switch (msg->lm_magic) {
1207 case LUSTRE_MSG_MAGIC_V1:
1208 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1210 case LUSTRE_MSG_MAGIC_V2: {
1211 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1213 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1217 return pb->pb_timeout;
1220 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1225 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1227 switch (msg->lm_magic) {
1228 case LUSTRE_MSG_MAGIC_V1:
1229 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1231 case LUSTRE_MSG_MAGIC_V2: {
1232 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1234 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1238 return pb->pb_service_time;
1241 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1246 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1248 switch (msg->lm_magic) {
1249 case LUSTRE_MSG_MAGIC_V2:
1250 return msg->lm_cksum;
1252 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1257 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
1259 * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as
1260 * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes
1261 * more sense to compute the checksum on the full ptlrpc_body, regardless
1262 * of what size it is, but in order to keep interoperability with 1.8 we
1263 * can optionally also checksum only the first 88 bytes (caller decides). */
1264 # define ptlrpc_body_cksum_size_compat18 88
1266 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18)
1268 # warning "remove checksum compatibility support for b1_8"
1269 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1272 switch (msg->lm_magic) {
1273 case LUSTRE_MSG_MAGIC_V2: {
1274 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1275 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
1276 __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 :
1277 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF);
1278 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1279 return crc32_le(~(__u32)0, (unsigned char *)pb, len);
1281 # warning "remove checksum compatibility support for b1_8"
1282 return crc32_le(~(__u32)0, (unsigned char *)pb,
1283 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF));
1287 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1292 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1294 switch (msg->lm_magic) {
1295 case LUSTRE_MSG_MAGIC_V2: {
1296 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1297 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1298 pb->pb_handle = *handle;
1302 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1306 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1308 switch (msg->lm_magic) {
1309 case LUSTRE_MSG_MAGIC_V2: {
1310 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1311 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1316 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1320 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1322 switch (msg->lm_magic) {
1323 case LUSTRE_MSG_MAGIC_V2: {
1324 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1325 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1330 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1334 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1336 switch (msg->lm_magic) {
1337 case LUSTRE_MSG_MAGIC_V2: {
1338 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1339 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1340 pb->pb_last_xid = last_xid;
1344 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1348 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1350 switch (msg->lm_magic) {
1351 case LUSTRE_MSG_MAGIC_V2: {
1352 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1353 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1354 pb->pb_last_committed = last_committed;
1358 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1362 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1364 switch (msg->lm_magic) {
1365 case LUSTRE_MSG_MAGIC_V1:
1367 case LUSTRE_MSG_MAGIC_V2: {
1368 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1369 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1370 pb->pb_pre_versions[0] = versions[0];
1371 pb->pb_pre_versions[1] = versions[1];
1372 pb->pb_pre_versions[2] = versions[2];
1373 pb->pb_pre_versions[3] = versions[3];
1377 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1381 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1383 switch (msg->lm_magic) {
1384 case LUSTRE_MSG_MAGIC_V2: {
1385 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1386 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1387 pb->pb_transno = transno;
1391 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1395 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1397 switch (msg->lm_magic) {
1398 case LUSTRE_MSG_MAGIC_V2: {
1399 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1400 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1401 pb->pb_status = status;
1405 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1409 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1411 switch (msg->lm_magic) {
1412 case LUSTRE_MSG_MAGIC_V2: {
1413 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1414 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1415 pb->pb_conn_cnt = conn_cnt;
1419 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1423 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1425 switch (msg->lm_magic) {
1426 case LUSTRE_MSG_MAGIC_V1:
1428 case LUSTRE_MSG_MAGIC_V2: {
1429 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1430 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1431 pb->pb_timeout = timeout;
1435 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1439 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1441 switch (msg->lm_magic) {
1442 case LUSTRE_MSG_MAGIC_V1:
1444 case LUSTRE_MSG_MAGIC_V2: {
1445 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1446 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1447 pb->pb_service_time = service_time;
1451 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1455 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1457 switch (msg->lm_magic) {
1458 case LUSTRE_MSG_MAGIC_V1:
1460 case LUSTRE_MSG_MAGIC_V2:
1461 msg->lm_cksum = cksum;
1464 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1469 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1471 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1473 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1474 req->rq_pill.rc_area[RCL_SERVER]);
1475 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1476 req->rq_reqmsg->lm_repsize = req->rq_replen;
1479 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1481 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1482 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1483 req->rq_reqmsg->lm_repsize = req->rq_replen;
1487 * Send a remote set_info_async.
1489 * This may go from client to server or server to client.
1491 int do_set_info_async(struct obd_import *imp,
1492 int opcode, int version,
1493 obd_count keylen, void *key,
1494 obd_count vallen, void *val,
1495 struct ptlrpc_request_set *set)
1497 struct ptlrpc_request *req;
1502 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1506 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1507 RCL_CLIENT, keylen);
1508 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1509 RCL_CLIENT, vallen);
1510 rc = ptlrpc_request_pack(req, version, opcode);
1512 ptlrpc_request_free(req);
1516 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1517 memcpy(tmp, key, keylen);
1518 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1519 memcpy(tmp, val, vallen);
1521 ptlrpc_request_set_replen(req);
1524 ptlrpc_set_add_req(set, req);
1525 ptlrpc_check_set(NULL, set);
1527 rc = ptlrpc_queue_wait(req);
1528 ptlrpc_req_finished(req);
1533 EXPORT_SYMBOL(do_set_info_async);
1535 /* byte flipping routines for all wire types declared in
1536 * lustre_idl.h implemented here.
1538 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1540 __swab32s (&b->pb_type);
1541 __swab32s (&b->pb_version);
1542 __swab32s (&b->pb_opc);
1543 __swab32s (&b->pb_status);
1544 __swab64s (&b->pb_last_xid);
1545 __swab64s (&b->pb_last_seen);
1546 __swab64s (&b->pb_last_committed);
1547 __swab64s (&b->pb_transno);
1548 __swab32s (&b->pb_flags);
1549 __swab32s (&b->pb_op_flags);
1550 __swab32s (&b->pb_conn_cnt);
1551 __swab32s (&b->pb_timeout);
1552 __swab32s (&b->pb_service_time);
1553 __swab32s (&b->pb_limit);
1554 __swab64s (&b->pb_slv);
1555 __swab64s (&b->pb_pre_versions[0]);
1556 __swab64s (&b->pb_pre_versions[1]);
1557 __swab64s (&b->pb_pre_versions[2]);
1558 __swab64s (&b->pb_pre_versions[3]);
1559 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1562 void lustre_swab_connect(struct obd_connect_data *ocd)
1564 __swab64s(&ocd->ocd_connect_flags);
1565 __swab32s(&ocd->ocd_version);
1566 __swab32s(&ocd->ocd_grant);
1567 __swab64s(&ocd->ocd_ibits_known);
1568 __swab32s(&ocd->ocd_index);
1569 __swab32s(&ocd->ocd_brw_size);
1570 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1571 * they are 8-byte values */
1572 __swab16s(&ocd->ocd_grant_extent);
1573 __swab32s(&ocd->ocd_unused);
1574 __swab64s(&ocd->ocd_transno);
1575 __swab32s(&ocd->ocd_group);
1576 __swab32s(&ocd->ocd_cksum_types);
1577 __swab32s(&ocd->ocd_instance);
1578 /* Fields after ocd_cksum_types 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 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1585 __swab64s(&ocd->ocd_maxbytes);
1586 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1587 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1588 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1589 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1590 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1591 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1592 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1593 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1594 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1595 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1596 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1597 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1598 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1599 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1600 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1603 void lustre_swab_obdo (struct obdo *o)
1605 __swab64s (&o->o_valid);
1606 __swab64s (&o->o_id);
1607 __swab64s (&o->o_seq);
1608 __swab64s (&o->o_parent_seq);
1609 __swab64s (&o->o_size);
1610 __swab64s (&o->o_mtime);
1611 __swab64s (&o->o_atime);
1612 __swab64s (&o->o_ctime);
1613 __swab64s (&o->o_blocks);
1614 __swab64s (&o->o_grant);
1615 __swab32s (&o->o_blksize);
1616 __swab32s (&o->o_mode);
1617 __swab32s (&o->o_uid);
1618 __swab32s (&o->o_gid);
1619 __swab32s (&o->o_flags);
1620 __swab32s (&o->o_nlink);
1621 __swab32s (&o->o_parent_oid);
1622 __swab32s (&o->o_misc);
1623 __swab64s (&o->o_ioepoch);
1624 __swab32s (&o->o_stripe_idx);
1625 __swab32s (&o->o_parent_ver);
1626 /* o_handle is opaque */
1627 /* o_lcookie is swabbed elsewhere */
1628 __swab32s (&o->o_uid_h);
1629 __swab32s (&o->o_gid_h);
1630 __swab64s (&o->o_data_version);
1631 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1632 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1633 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1637 void lustre_swab_obd_statfs (struct obd_statfs *os)
1639 __swab64s (&os->os_type);
1640 __swab64s (&os->os_blocks);
1641 __swab64s (&os->os_bfree);
1642 __swab64s (&os->os_bavail);
1643 __swab64s (&os->os_files);
1644 __swab64s (&os->os_ffree);
1645 /* no need to swab os_fsid */
1646 __swab32s (&os->os_bsize);
1647 __swab32s (&os->os_namelen);
1648 __swab64s (&os->os_maxbytes);
1649 __swab32s (&os->os_state);
1650 CLASSERT(offsetof(typeof(*os), os_spare1) != 0);
1651 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1652 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1653 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1654 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1655 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1656 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1657 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1658 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1661 void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
1663 __swab64s (&ioo->ioo_id);
1664 __swab64s (&ioo->ioo_seq);
1665 __swab32s (&ioo->ioo_type);
1666 __swab32s (&ioo->ioo_bufcnt);
1669 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1671 __swab64s (&nbr->offset);
1672 __swab32s (&nbr->len);
1673 __swab32s (&nbr->flags);
1676 void lustre_swab_ost_body (struct ost_body *b)
1678 lustre_swab_obdo (&b->oa);
1681 void lustre_swab_ost_last_id(obd_id *id)
1686 void lustre_swab_generic_32s(__u32 *val)
1691 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1693 __swab64s(&lvb->lvb_size);
1694 __swab64s(&lvb->lvb_mtime);
1695 __swab64s(&lvb->lvb_atime);
1696 __swab64s(&lvb->lvb_ctime);
1697 __swab64s(&lvb->lvb_blocks);
1700 void lustre_swab_mdt_body (struct mdt_body *b)
1702 lustre_swab_lu_fid (&b->fid1);
1703 lustre_swab_lu_fid (&b->fid2);
1704 /* handle is opaque */
1705 __swab64s (&b->valid);
1706 __swab64s (&b->size);
1707 __swab64s (&b->mtime);
1708 __swab64s (&b->atime);
1709 __swab64s (&b->ctime);
1710 __swab64s (&b->blocks);
1711 __swab64s (&b->ioepoch);
1712 __swab64s (&b->ino);
1713 __swab32s (&b->fsuid);
1714 __swab32s (&b->fsgid);
1715 __swab32s (&b->capability);
1716 __swab32s (&b->mode);
1717 __swab32s (&b->uid);
1718 __swab32s (&b->gid);
1719 __swab32s (&b->flags);
1720 __swab32s (&b->rdev);
1721 __swab32s (&b->nlink);
1722 __swab32s (&b->generation);
1723 __swab32s (&b->suppgid);
1724 __swab32s (&b->eadatasize);
1725 __swab32s (&b->aclsize);
1726 __swab32s (&b->max_mdsize);
1727 __swab32s (&b->max_cookiesize);
1728 __swab32s (&b->uid_h);
1729 __swab32s (&b->gid_h);
1730 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1733 void lustre_swab_mdt_ioepoch (struct mdt_ioepoch *b)
1735 /* handle is opaque */
1736 __swab64s (&b->ioepoch);
1737 __swab32s (&b->flags);
1738 CLASSERT(offsetof(typeof(*b), padding) != 0);
1741 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1744 __swab32s(&mti->mti_lustre_ver);
1745 __swab32s(&mti->mti_stripe_index);
1746 __swab32s(&mti->mti_config_ver);
1747 __swab32s(&mti->mti_flags);
1748 __swab32s(&mti->mti_instance);
1749 __swab32s(&mti->mti_nid_count);
1750 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1751 for (i = 0; i < MTI_NIDS_MAX; i++)
1752 __swab64s(&mti->mti_nids[i]);
1755 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1759 __swab64s(&entry->mne_version);
1760 __swab32s(&entry->mne_instance);
1761 __swab32s(&entry->mne_index);
1762 __swab32s(&entry->mne_length);
1764 /* mne_nid_(count|type) must be one byte size because we're gonna
1765 * access it w/o swapping. */
1766 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1767 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1769 /* remove this assertion if ipv6 is supported. */
1770 LASSERT(entry->mne_nid_type == 0);
1771 for (i = 0; i < entry->mne_nid_count; i++) {
1772 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1773 __swab64s(&entry->u.nids[i]);
1776 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1778 void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1780 __swab64s(&body->mcb_offset);
1781 __swab32s(&body->mcb_units);
1782 __swab16s(&body->mcb_type);
1784 EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1786 void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1788 __swab64s(&body->mcr_offset);
1789 __swab64s(&body->mcr_size);
1791 EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1793 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1795 __swab64s (&i->dqi_bgrace);
1796 __swab64s (&i->dqi_igrace);
1797 __swab32s (&i->dqi_flags);
1798 __swab32s (&i->dqi_valid);
1801 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1803 __swab64s (&b->dqb_ihardlimit);
1804 __swab64s (&b->dqb_isoftlimit);
1805 __swab64s (&b->dqb_curinodes);
1806 __swab64s (&b->dqb_bhardlimit);
1807 __swab64s (&b->dqb_bsoftlimit);
1808 __swab64s (&b->dqb_curspace);
1809 __swab64s (&b->dqb_btime);
1810 __swab64s (&b->dqb_itime);
1811 __swab32s (&b->dqb_valid);
1812 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1815 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1817 __swab32s (&q->qc_cmd);
1818 __swab32s (&q->qc_type);
1819 __swab32s (&q->qc_id);
1820 __swab32s (&q->qc_stat);
1821 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1822 lustre_swab_obd_dqblk (&q->qc_dqblk);
1825 void lustre_swab_quota_adjust_qunit (struct quota_adjust_qunit *q)
1827 __swab32s (&q->qaq_flags);
1828 __swab32s (&q->qaq_id);
1829 __swab64s (&q->qaq_bunit_sz);
1830 __swab64s (&q->qaq_iunit_sz);
1831 __swab64s (&q->padding1);
1834 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1836 __swab32s (&p->rp_uid);
1837 __swab32s (&p->rp_gid);
1838 __swab32s (&p->rp_fsuid);
1839 __swab32s (&p->rp_fsuid_h);
1840 __swab32s (&p->rp_fsgid);
1841 __swab32s (&p->rp_fsgid_h);
1842 __swab32s (&p->rp_access_perm);
1843 __swab32s (&p->rp_padding);
1846 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1848 lustre_swab_lu_fid(&gf->gf_fid);
1849 __swab64s(&gf->gf_recno);
1850 __swab32s(&gf->gf_linkno);
1851 __swab32s(&gf->gf_pathlen);
1853 EXPORT_SYMBOL(lustre_swab_fid2path);
1855 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1857 __swab64s(&fm_extent->fe_logical);
1858 __swab64s(&fm_extent->fe_physical);
1859 __swab64s(&fm_extent->fe_length);
1860 __swab32s(&fm_extent->fe_flags);
1861 __swab32s(&fm_extent->fe_device);
1864 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1868 __swab64s(&fiemap->fm_start);
1869 __swab64s(&fiemap->fm_length);
1870 __swab32s(&fiemap->fm_flags);
1871 __swab32s(&fiemap->fm_mapped_extents);
1872 __swab32s(&fiemap->fm_extent_count);
1873 __swab32s(&fiemap->fm_reserved);
1875 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1876 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1879 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1881 __swab32s (&rr->rr_opcode);
1882 __swab32s (&rr->rr_cap);
1883 __swab32s (&rr->rr_fsuid);
1884 /* rr_fsuid_h is unused */
1885 __swab32s (&rr->rr_fsgid);
1886 /* rr_fsgid_h is unused */
1887 __swab32s (&rr->rr_suppgid1);
1888 /* rr_suppgid1_h is unused */
1889 __swab32s (&rr->rr_suppgid2);
1890 /* rr_suppgid2_h is unused */
1891 lustre_swab_lu_fid (&rr->rr_fid1);
1892 lustre_swab_lu_fid (&rr->rr_fid2);
1893 __swab64s (&rr->rr_mtime);
1894 __swab64s (&rr->rr_atime);
1895 __swab64s (&rr->rr_ctime);
1896 __swab64s (&rr->rr_size);
1897 __swab64s (&rr->rr_blocks);
1898 __swab32s (&rr->rr_bias);
1899 __swab32s (&rr->rr_mode);
1900 __swab32s (&rr->rr_flags);
1902 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
1903 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
1904 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1907 void lustre_swab_lov_desc (struct lov_desc *ld)
1909 __swab32s (&ld->ld_tgt_count);
1910 __swab32s (&ld->ld_active_tgt_count);
1911 __swab32s (&ld->ld_default_stripe_count);
1912 __swab32s (&ld->ld_pattern);
1913 __swab64s (&ld->ld_default_stripe_size);
1914 __swab64s (&ld->ld_default_stripe_offset);
1915 __swab32s (&ld->ld_qos_maxage);
1916 /* uuid endian insensitive */
1919 void lustre_swab_lmv_desc (struct lmv_desc *ld)
1921 __swab32s (&ld->ld_tgt_count);
1922 __swab32s (&ld->ld_active_tgt_count);
1923 __swab32s (&ld->ld_default_stripe_count);
1924 __swab32s (&ld->ld_pattern);
1925 __swab64s (&ld->ld_default_hash_size);
1926 __swab32s (&ld->ld_qos_maxage);
1927 /* uuid endian insensitive */
1930 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
1932 __swab32s(&mea->mea_magic);
1933 __swab32s(&mea->mea_count);
1934 __swab32s(&mea->mea_master);
1935 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
1939 static void print_lum (struct lov_user_md *lum)
1941 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
1942 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
1943 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
1944 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
1945 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_seq);
1946 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
1947 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
1948 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
1949 lum->u.lum_stripe_offset);
1952 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
1955 __swab32s(&lum->lmm_magic);
1956 __swab32s(&lum->lmm_pattern);
1957 __swab64s(&lum->lmm_object_id);
1958 __swab64s(&lum->lmm_object_seq);
1959 __swab32s(&lum->lmm_stripe_size);
1960 __swab16s(&lum->lmm_stripe_count);
1961 __swab16s(&lum->u.lum_stripe_offset);
1966 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
1969 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
1970 lustre_swab_lov_user_md_common(lum);
1974 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
1977 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
1978 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
1979 /* lmm_pool_name nothing to do with char */
1983 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
1986 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
1987 __swab32s(&lmm->lmm_magic);
1988 __swab32s(&lmm->lmm_pattern);
1989 __swab64s(&lmm->lmm_object_id);
1990 __swab64s(&lmm->lmm_object_seq);
1991 __swab32s(&lmm->lmm_stripe_size);
1992 __swab16s(&lmm->lmm_stripe_count);
1993 __swab16s(&lmm->lmm_layout_gen);
1997 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2002 for (i = 0; i < stripe_count; i++) {
2003 __swab64s(&(lod[i].l_object_id));
2004 __swab64s(&(lod[i].l_object_seq));
2005 __swab32s(&(lod[i].l_ost_gen));
2006 __swab32s(&(lod[i].l_ost_idx));
2012 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
2016 for (i = 0; i < RES_NAME_SIZE; i++)
2017 __swab64s (&id->name[i]);
2020 void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d)
2022 /* the lock data is a union and the first two fields are always an
2023 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2024 * data the same way. */
2025 __swab64s(&d->l_extent.start);
2026 __swab64s(&d->l_extent.end);
2027 __swab64s(&d->l_extent.gid);
2028 __swab64s(&d->l_flock.lfw_owner);
2029 __swab32s(&d->l_flock.lfw_pid);
2032 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
2034 __swab64s (&i->opc);
2037 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
2039 __swab32s (&r->lr_type);
2040 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2041 lustre_swab_ldlm_res_id (&r->lr_name);
2044 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
2046 lustre_swab_ldlm_resource_desc (&l->l_resource);
2047 __swab32s (&l->l_req_mode);
2048 __swab32s (&l->l_granted_mode);
2049 lustre_swab_ldlm_policy_data (&l->l_policy_data);
2052 void lustre_swab_ldlm_request (struct ldlm_request *rq)
2054 __swab32s (&rq->lock_flags);
2055 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
2056 __swab32s (&rq->lock_count);
2057 /* lock_handle[] opaque */
2060 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
2062 __swab32s (&r->lock_flags);
2063 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2064 lustre_swab_ldlm_lock_desc (&r->lock_desc);
2065 /* lock_handle opaque */
2066 __swab64s (&r->lock_policy_res1);
2067 __swab64s (&r->lock_policy_res2);
2070 /* no one calls this */
2071 int llog_log_swabbed(struct llog_log_hdr *hdr)
2073 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
2075 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
2080 void lustre_swab_qdata(struct qunit_data *d)
2082 __swab32s (&d->qd_id);
2083 __swab32s (&d->qd_flags);
2084 __swab64s (&d->qd_count);
2085 __swab64s (&d->qd_qunit);
2086 CLASSERT(offsetof(typeof(*d), padding) != 0);
2089 /* Dump functions */
2090 void dump_ioo(struct obd_ioobj *ioo)
2093 "obd_ioobj: ioo_id="LPD64", ioo_seq="LPD64", ioo_type=%d, "
2094 "ioo_bufct=%d\n", ioo->ioo_id, ioo->ioo_seq, ioo->ioo_type,
2098 void dump_rniobuf(struct niobuf_remote *nb)
2100 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
2101 nb->offset, nb->len, nb->flags);
2104 void dump_obdo(struct obdo *oa)
2106 __u32 valid = oa->o_valid;
2108 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2109 if (valid & OBD_MD_FLID)
2110 CDEBUG(D_RPCTRACE, "obdo: o_id = "LPD64"\n", oa->o_id);
2111 if (valid & OBD_MD_FLGROUP)
2112 CDEBUG(D_RPCTRACE, "obdo: o_seq = "LPD64"\n", oa->o_seq);
2113 if (valid & OBD_MD_FLFID)
2114 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = "LPX64"\n",
2116 if (valid & OBD_MD_FLSIZE)
2117 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2118 if (valid & OBD_MD_FLMTIME)
2119 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2120 if (valid & OBD_MD_FLATIME)
2121 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2122 if (valid & OBD_MD_FLCTIME)
2123 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2124 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2125 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2126 if (valid & OBD_MD_FLGRANT)
2127 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2128 if (valid & OBD_MD_FLBLKSZ)
2129 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2130 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2131 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2132 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2133 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2134 if (valid & OBD_MD_FLUID)
2135 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2136 if (valid & OBD_MD_FLUID)
2137 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2138 if (valid & OBD_MD_FLGID)
2139 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2140 if (valid & OBD_MD_FLGID)
2141 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2142 if (valid & OBD_MD_FLFLAGS)
2143 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2144 if (valid & OBD_MD_FLNLINK)
2145 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2146 else if (valid & OBD_MD_FLCKSUM)
2147 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2149 if (valid & OBD_MD_FLGENER)
2150 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2152 if (valid & OBD_MD_FLEPOCH)
2153 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = "LPD64"\n",
2155 if (valid & OBD_MD_FLFID) {
2156 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2158 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2161 if (valid & OBD_MD_FLHANDLE)
2162 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n",
2163 oa->o_handle.cookie);
2164 if (valid & OBD_MD_FLCOOKIE)
2165 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2166 "(llog_cookie dumping not yet implemented)\n");
2169 void dump_ost_body(struct ost_body *ob)
2174 void dump_rcs(__u32 *rc)
2176 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2182 * got qdata from request(req/rep)
2184 struct qunit_data *quota_get_qdata(void *r, int is_req, int is_exp)
2186 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2187 struct qunit_data *qdata;
2188 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2189 req->rq_import->imp_connect_data.ocd_connect_flags;
2192 /* support for quota64 */
2193 LASSERT(flags & OBD_CONNECT_QUOTA64);
2194 /* support for change_qs */
2195 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2197 if (is_req == QUOTA_REQUEST)
2198 qdata = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2200 qdata = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2202 return ERR_PTR(-EPROTO);
2204 QDATA_SET_CHANGE_QS(qdata);
2207 EXPORT_SYMBOL(quota_get_qdata);
2210 * copy qdata to request(req/rep)
2212 int quota_copy_qdata(void *r, struct qunit_data *qdata, int is_req,
2215 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2217 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2218 req->rq_import->imp_connect_data.ocd_connect_flags;
2222 /* support for quota64 */
2223 LASSERT(flags & OBD_CONNECT_QUOTA64);
2224 /* support for change_qs */
2225 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2227 if (is_req == QUOTA_REQUEST)
2228 target = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2230 target = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2234 LASSERT(target != qdata);
2235 memcpy(target, qdata, sizeof(*qdata));
2238 EXPORT_SYMBOL(quota_copy_qdata);
2239 #endif /* __KERNEL__ */
2241 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2243 LASSERT(req->rq_reqmsg);
2245 switch (req->rq_reqmsg->lm_magic) {
2246 case LUSTRE_MSG_MAGIC_V2:
2247 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2249 CERROR("bad lustre msg magic: %#08X\n",
2250 req->rq_reqmsg->lm_magic);
2255 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2257 LASSERT(req->rq_repmsg);
2259 switch (req->rq_repmsg->lm_magic) {
2260 case LUSTRE_MSG_MAGIC_V2:
2261 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2263 /* uninitialized yet */
2268 void _debug_req(struct ptlrpc_request *req,
2269 struct libcfs_debug_msg_data *msgdata,
2270 const char *fmt, ... )
2272 int req_ok = req->rq_reqmsg != NULL;
2273 int rep_ok = req->rq_repmsg != NULL;
2274 lnet_nid_t nid = LNET_NID_ANY;
2277 if (ptlrpc_req_need_swab(req)) {
2278 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2279 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2282 if (req->rq_import && req->rq_import->imp_connection)
2283 nid = req->rq_import->imp_connection->c_peer.nid;
2284 else if (req->rq_export && req->rq_export->exp_connection)
2285 nid = req->rq_export->exp_connection->c_peer.nid;
2287 va_start(args, fmt);
2288 libcfs_debug_vmsg2(msgdata, fmt, args,
2289 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2290 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2291 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2292 req, req->rq_xid, req->rq_transno,
2293 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2294 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2296 req->rq_import->imp_obd->obd_name :
2298 req->rq_export->exp_client_uuid.uuid :
2300 libcfs_nid2str(nid),
2301 req->rq_request_portal, req->rq_reply_portal,
2302 req->rq_reqlen, req->rq_replen,
2303 req->rq_early_count, req->rq_timedout,
2305 cfs_atomic_read(&req->rq_refcount),
2306 DEBUG_REQ_FLAGS(req),
2307 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2308 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2310 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2312 EXPORT_SYMBOL(_debug_req);
2314 void lustre_swab_lustre_capa(struct lustre_capa *c)
2316 lustre_swab_lu_fid(&c->lc_fid);
2317 __swab64s (&c->lc_opc);
2318 __swab64s (&c->lc_uid);
2319 __swab64s (&c->lc_gid);
2320 __swab32s (&c->lc_flags);
2321 __swab32s (&c->lc_keyid);
2322 __swab32s (&c->lc_timeout);
2323 __swab32s (&c->lc_expiry);
2326 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2328 __swab64s (&k->lk_seq);
2329 __swab32s (&k->lk_keyid);
2330 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2333 void lustre_swab_hsm_state(struct hsm_state_set_ioc *hssi)
2335 lustre_swab_lu_fid(&hssi->hssi_fid);
2336 __swab64s(&hssi->hssi_setmask);
2337 __swab64s(&hssi->hssi_clearmask);
2339 EXPORT_SYMBOL(lustre_swab_hsm_state);
2341 void lustre_swab_hsm_user_request(struct hsm_user_request *hur)
2345 __swab32s(&hur->hur_action);
2346 __swab32s(&hur->hur_itemcount);
2347 __swab32s(&hur->hur_data_len);
2348 for (i = 0; i < hur->hur_itemcount; i++) {
2349 struct hsm_user_item *hui = &hur->hur_user_item[i];
2350 lustre_swab_lu_fid(&hui->hui_fid);
2351 __swab64s(&hui->hui_extent.offset);
2352 __swab64s(&hui->hui_extent.length);
2354 /* Note: data blob is not swabbed here */
2356 EXPORT_SYMBOL(lustre_swab_hsm_user_request);
2358 void lustre_swab_hsm_progress(struct hsm_progress *hp)
2360 lustre_swab_lu_fid(&hp->hp_fid);
2361 __swab64s(&hp->hp_cookie);
2362 __swab64s(&hp->hp_extent.offset);
2363 __swab64s(&hp->hp_extent.length);
2364 __swab16s(&hp->hp_flags);
2365 __swab16s(&hp->hp_errval);
2367 EXPORT_SYMBOL(lustre_swab_hsm_progress);