diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/ptlrpc/pack_generic.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/ptlrpc/pack_generic.c | 2313 |
1 files changed, 0 insertions, 2313 deletions
diff --git a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c b/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c deleted file mode 100644 index f73463ac401f..000000000000 --- a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c +++ /dev/null @@ -1,2313 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * GPL HEADER START - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 only, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License version 2 for more details (a copy is included - * in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; If not, see - * http://www.gnu.org/licenses/gpl-2.0.html - * - * GPL HEADER END - */ -/* - * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2011, 2012, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - * - * lustre/ptlrpc/pack_generic.c - * - * (Un)packing of OST requests - * - * Author: Peter J. Braam <braam@clusterfs.com> - * Author: Phil Schwan <phil@clusterfs.com> - * Author: Eric Barton <eeb@clusterfs.com> - */ - -#define DEBUG_SUBSYSTEM S_RPC - -#include <linux/libcfs/libcfs.h> - -#include <uapi/linux/lustre/lustre_fiemap.h> - -#include <llog_swab.h> -#include <lustre_net.h> -#include <lustre_swab.h> -#include <obd_cksum.h> -#include <obd_support.h> -#include <obd_class.h> - -#include "ptlrpc_internal.h" - -static inline u32 lustre_msg_hdr_size_v2(u32 count) -{ - return cfs_size_round(offsetof(struct lustre_msg_v2, - lm_buflens[count])); -} - -u32 lustre_msg_hdr_size(__u32 magic, u32 count) -{ - switch (magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_msg_hdr_size_v2(count); - default: - LASSERTF(0, "incorrect message magic: %08x\n", magic); - return 0; - } -} - -void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout, - u32 index) -{ - if (inout) - lustre_set_req_swabbed(req, index); - else - lustre_set_rep_swabbed(req, index); -} - -int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout, - u32 index) -{ - if (inout) - return (ptlrpc_req_need_swab(req) && - !lustre_req_swabbed(req, index)); - else - return (ptlrpc_rep_need_swab(req) && - !lustre_rep_swabbed(req, index)); -} - -/* early reply size */ -u32 lustre_msg_early_size(void) -{ - static u32 size; - - if (!size) { - /* Always reply old ptlrpc_body_v2 to keep interoperability - * with the old client (< 2.3) which doesn't have pb_jobid - * in the ptlrpc_body. - * - * XXX Remove this whenever we drop interoperability with such - * client. - */ - __u32 pblen = sizeof(struct ptlrpc_body_v2); - - size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen); - } - return size; -} -EXPORT_SYMBOL(lustre_msg_early_size); - -u32 lustre_msg_size_v2(int count, __u32 *lengths) -{ - u32 size; - int i; - - size = lustre_msg_hdr_size_v2(count); - for (i = 0; i < count; i++) - size += cfs_size_round(lengths[i]); - - return size; -} -EXPORT_SYMBOL(lustre_msg_size_v2); - -/* This returns the size of the buffer that is required to hold a lustre_msg - * with the given sub-buffer lengths. - * NOTE: this should only be used for NEW requests, and should always be - * in the form of a v2 request. If this is a connection to a v1 - * target then the first buffer will be stripped because the ptlrpc - * data is part of the lustre_msg_v1 header. b=14043 - */ -u32 lustre_msg_size(__u32 magic, int count, __u32 *lens) -{ - __u32 size[] = { sizeof(struct ptlrpc_body) }; - - if (!lens) { - LASSERT(count == 1); - lens = size; - } - - LASSERT(count > 0); - LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2)); - - switch (magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_msg_size_v2(count, lens); - default: - LASSERTF(0, "incorrect message magic: %08x\n", magic); - return 0; - } -} - -/* This is used to determine the size of a buffer that was already packed - * and will correctly handle the different message formats. - */ -u32 lustre_packed_msg_size(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens); - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} - -void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens, - char **bufs) -{ - char *ptr; - int i; - - msg->lm_bufcount = count; - /* XXX: lm_secflvr uninitialized here */ - msg->lm_magic = LUSTRE_MSG_MAGIC_V2; - - for (i = 0; i < count; i++) - msg->lm_buflens[i] = lens[i]; - - if (!bufs) - return; - - ptr = (char *)msg + lustre_msg_hdr_size_v2(count); - for (i = 0; i < count; i++) { - char *tmp = bufs[i]; - - if (tmp) - memcpy(ptr, tmp, lens[i]); - ptr += cfs_size_round(lens[i]); - } -} -EXPORT_SYMBOL(lustre_init_msg_v2); - -static int lustre_pack_request_v2(struct ptlrpc_request *req, - int count, __u32 *lens, char **bufs) -{ - int reqlen, rc; - - reqlen = lustre_msg_size_v2(count, lens); - - rc = sptlrpc_cli_alloc_reqbuf(req, reqlen); - if (rc) - return rc; - - req->rq_reqlen = reqlen; - - lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs); - lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION); - return 0; -} - -int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count, - __u32 *lens, char **bufs) -{ - __u32 size[] = { sizeof(struct ptlrpc_body) }; - - if (!lens) { - LASSERT(count == 1); - lens = size; - } - - LASSERT(count > 0); - LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body)); - - /* only use new format, we don't need to be compatible with 1.4 */ - return lustre_pack_request_v2(req, count, lens, bufs); -} - -#if RS_DEBUG -LIST_HEAD(ptlrpc_rs_debug_lru); -spinlock_t ptlrpc_rs_debug_lock; - -#define PTLRPC_RS_DEBUG_LRU_ADD(rs) \ -do { \ - spin_lock(&ptlrpc_rs_debug_lock); \ - list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \ - spin_unlock(&ptlrpc_rs_debug_lock); \ -} while (0) - -#define PTLRPC_RS_DEBUG_LRU_DEL(rs) \ -do { \ - spin_lock(&ptlrpc_rs_debug_lock); \ - list_del(&(rs)->rs_debug_list); \ - spin_unlock(&ptlrpc_rs_debug_lock); \ -} while (0) -#else -# define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while (0) -# define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while (0) -#endif - -struct ptlrpc_reply_state * -lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt) -{ - struct ptlrpc_reply_state *rs = NULL; - - spin_lock(&svcpt->scp_rep_lock); - - /* See if we have anything in a pool, and wait if nothing */ - while (list_empty(&svcpt->scp_rep_idle)) { - int rc; - - spin_unlock(&svcpt->scp_rep_lock); - /* If we cannot get anything for some long time, we better - * bail out instead of waiting infinitely - */ - rc = wait_event_idle_timeout(svcpt->scp_rep_waitq, - !list_empty(&svcpt->scp_rep_idle), - 10 * HZ); - if (rc == 0) - goto out; - spin_lock(&svcpt->scp_rep_lock); - } - - rs = list_entry(svcpt->scp_rep_idle.next, - struct ptlrpc_reply_state, rs_list); - list_del(&rs->rs_list); - - spin_unlock(&svcpt->scp_rep_lock); - - memset(rs, 0, svcpt->scp_service->srv_max_reply_size); - rs->rs_size = svcpt->scp_service->srv_max_reply_size; - rs->rs_svcpt = svcpt; - rs->rs_prealloc = 1; -out: - return rs; -} - -void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs) -{ - struct ptlrpc_service_part *svcpt = rs->rs_svcpt; - - spin_lock(&svcpt->scp_rep_lock); - list_add(&rs->rs_list, &svcpt->scp_rep_idle); - spin_unlock(&svcpt->scp_rep_lock); - wake_up(&svcpt->scp_rep_waitq); -} - -int lustre_pack_reply_v2(struct ptlrpc_request *req, int count, - __u32 *lens, char **bufs, int flags) -{ - struct ptlrpc_reply_state *rs; - int msg_len, rc; - - LASSERT(!req->rq_reply_state); - - if ((flags & LPRFL_EARLY_REPLY) == 0) { - spin_lock(&req->rq_lock); - req->rq_packed_final = 1; - spin_unlock(&req->rq_lock); - } - - msg_len = lustre_msg_size_v2(count, lens); - rc = sptlrpc_svc_alloc_rs(req, msg_len); - if (rc) - return rc; - - rs = req->rq_reply_state; - atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */ - rs->rs_cb_id.cbid_fn = reply_out_callback; - rs->rs_cb_id.cbid_arg = rs; - rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt; - INIT_LIST_HEAD(&rs->rs_exp_list); - INIT_LIST_HEAD(&rs->rs_obd_list); - INIT_LIST_HEAD(&rs->rs_list); - spin_lock_init(&rs->rs_lock); - - req->rq_replen = msg_len; - req->rq_reply_state = rs; - req->rq_repmsg = rs->rs_msg; - - lustre_init_msg_v2(rs->rs_msg, count, lens, bufs); - lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION); - - PTLRPC_RS_DEBUG_LRU_ADD(rs); - - return 0; -} -EXPORT_SYMBOL(lustre_pack_reply_v2); - -int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens, - char **bufs, int flags) -{ - int rc = 0; - __u32 size[] = { sizeof(struct ptlrpc_body) }; - - if (!lens) { - LASSERT(count == 1); - lens = size; - } - - LASSERT(count > 0); - LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body)); - - switch (req->rq_reqmsg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - rc = lustre_pack_reply_v2(req, count, lens, bufs, flags); - break; - default: - LASSERTF(0, "incorrect message magic: %08x\n", - req->rq_reqmsg->lm_magic); - rc = -EINVAL; - } - if (rc != 0) - CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc, - lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens)); - return rc; -} - -int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens, - char **bufs) -{ - return lustre_pack_reply_flags(req, count, lens, bufs, 0); -} -EXPORT_SYMBOL(lustre_pack_reply); - -void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, u32 n, u32 min_size) -{ - u32 i, offset, buflen, bufcount; - - bufcount = m->lm_bufcount; - if (unlikely(n >= bufcount)) { - CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n", - m, n, bufcount); - return NULL; - } - - buflen = m->lm_buflens[n]; - if (unlikely(buflen < min_size)) { - CERROR("msg %p buffer[%d] size %d too small (required %d, opc=%d)\n", - m, n, buflen, min_size, - n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m)); - return NULL; - } - - offset = lustre_msg_hdr_size_v2(bufcount); - for (i = 0; i < n; i++) - offset += cfs_size_round(m->lm_buflens[i]); - - return (char *)m + offset; -} - -void *lustre_msg_buf(struct lustre_msg *m, u32 n, u32 min_size) -{ - switch (m->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_msg_buf_v2(m, n, min_size); - default: - LASSERTF(0, "incorrect message magic: %08x (msg:%p)\n", - m->lm_magic, m); - return NULL; - } -} -EXPORT_SYMBOL(lustre_msg_buf); - -static int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, u32 segment, - unsigned int newlen, int move_data) -{ - char *tail = NULL, *newpos; - int tail_len = 0, n; - - LASSERT(msg); - LASSERT(msg->lm_bufcount > segment); - LASSERT(msg->lm_buflens[segment] >= newlen); - - if (msg->lm_buflens[segment] == newlen) - goto out; - - if (move_data && msg->lm_bufcount > segment + 1) { - tail = lustre_msg_buf_v2(msg, segment + 1, 0); - for (n = segment + 1; n < msg->lm_bufcount; n++) - tail_len += cfs_size_round(msg->lm_buflens[n]); - } - - msg->lm_buflens[segment] = newlen; - - if (tail && tail_len) { - newpos = lustre_msg_buf_v2(msg, segment + 1, 0); - LASSERT(newpos <= tail); - if (newpos != tail) - memmove(newpos, tail, tail_len); - } -out: - return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens); -} - -/* - * for @msg, shrink @segment to size @newlen. if @move_data is non-zero, - * we also move data forward from @segment + 1. - * - * if @newlen == 0, we remove the segment completely, but we still keep the - * totally bufcount the same to save possible data moving. this will leave a - * unused segment with size 0 at the tail, but that's ok. - * - * return new msg size after shrinking. - * - * CAUTION: - * + if any buffers higher than @segment has been filled in, must call shrink - * with non-zero @move_data. - * + caller should NOT keep pointers to msg buffers which higher than @segment - * after call shrink. - */ -int lustre_shrink_msg(struct lustre_msg *msg, int segment, - unsigned int newlen, int move_data) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_shrink_msg_v2(msg, segment, newlen, move_data); - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } - return 0; -} -EXPORT_SYMBOL(lustre_shrink_msg); - -void lustre_free_reply_state(struct ptlrpc_reply_state *rs) -{ - PTLRPC_RS_DEBUG_LRU_DEL(rs); - - LASSERT(atomic_read(&rs->rs_refcount) == 0); - LASSERT(!rs->rs_difficult || rs->rs_handled); - LASSERT(!rs->rs_on_net); - LASSERT(!rs->rs_scheduled); - LASSERT(!rs->rs_export); - LASSERT(rs->rs_nlocks == 0); - LASSERT(list_empty(&rs->rs_exp_list)); - LASSERT(list_empty(&rs->rs_obd_list)); - - sptlrpc_svc_free_rs(rs); -} - -static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len) -{ - int swabbed, required_len, i; - - /* Now we know the sender speaks my language. */ - required_len = lustre_msg_hdr_size_v2(0); - if (len < required_len) { - /* can't even look inside the message */ - CERROR("message length %d too small for lustre_msg\n", len); - return -EINVAL; - } - - swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED); - - if (swabbed) { - __swab32s(&m->lm_magic); - __swab32s(&m->lm_bufcount); - __swab32s(&m->lm_secflvr); - __swab32s(&m->lm_repsize); - __swab32s(&m->lm_cksum); - __swab32s(&m->lm_flags); - BUILD_BUG_ON(offsetof(typeof(*m), lm_padding_2) == 0); - BUILD_BUG_ON(offsetof(typeof(*m), lm_padding_3) == 0); - } - - required_len = lustre_msg_hdr_size_v2(m->lm_bufcount); - if (len < required_len) { - /* didn't receive all the buffer lengths */ - CERROR("message length %d too small for %d buflens\n", - len, m->lm_bufcount); - return -EINVAL; - } - - for (i = 0; i < m->lm_bufcount; i++) { - if (swabbed) - __swab32s(&m->lm_buflens[i]); - required_len += cfs_size_round(m->lm_buflens[i]); - } - - if (len < required_len) { - CERROR("len: %d, required_len %d\n", len, required_len); - CERROR("bufcount: %d\n", m->lm_bufcount); - for (i = 0; i < m->lm_bufcount; i++) - CERROR("buffer %d length %d\n", i, m->lm_buflens[i]); - return -EINVAL; - } - - return swabbed; -} - -int __lustre_unpack_msg(struct lustre_msg *m, int len) -{ - int required_len, rc; - - /* We can provide a slightly better error log, if we check the - * message magic and version first. In the future, struct - * lustre_msg may grow, and we'd like to log a version mismatch, - * rather than a short message. - * - */ - required_len = offsetof(struct lustre_msg, lm_magic) + - sizeof(m->lm_magic); - if (len < required_len) { - /* can't even look inside the message */ - CERROR("message length %d too small for magic/version check\n", - len); - return -EINVAL; - } - - rc = lustre_unpack_msg_v2(m, len); - - return rc; -} -EXPORT_SYMBOL(__lustre_unpack_msg); - -int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len) -{ - int rc; - - rc = __lustre_unpack_msg(req->rq_reqmsg, len); - if (rc == 1) { - lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF); - rc = 0; - } - return rc; -} - -int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len) -{ - int rc; - - rc = __lustre_unpack_msg(req->rq_repmsg, len); - if (rc == 1) { - lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF); - rc = 0; - } - return rc; -} - -static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req, - const int inout, int offset) -{ - struct ptlrpc_body *pb; - struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg; - - pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2)); - if (!pb) { - CERROR("error unpacking ptlrpc body\n"); - return -EFAULT; - } - if (ptlrpc_buf_need_swab(req, inout, offset)) { - lustre_swab_ptlrpc_body(pb); - ptlrpc_buf_set_swabbed(req, inout, offset); - } - - if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) { - CERROR("wrong lustre_msg version %08x\n", pb->pb_version); - return -EINVAL; - } - - if (!inout) - pb->pb_status = ptlrpc_status_ntoh(pb->pb_status); - - return 0; -} - -int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset) -{ - switch (req->rq_reqmsg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_unpack_ptlrpc_body_v2(req, 1, offset); - default: - CERROR("bad lustre msg magic: %08x\n", - req->rq_reqmsg->lm_magic); - return -EINVAL; - } -} - -int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset) -{ - switch (req->rq_repmsg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_unpack_ptlrpc_body_v2(req, 0, offset); - default: - CERROR("bad lustre msg magic: %08x\n", - req->rq_repmsg->lm_magic); - return -EINVAL; - } -} - -static inline u32 lustre_msg_buflen_v2(struct lustre_msg_v2 *m, u32 n) -{ - if (n >= m->lm_bufcount) - return 0; - - return m->lm_buflens[n]; -} - -/** - * lustre_msg_buflen - return the length of buffer \a n in message \a m - * \param m lustre_msg (request or reply) to look at - * \param n message index (base 0) - * - * returns zero for non-existent message indices - */ -u32 lustre_msg_buflen(struct lustre_msg *m, u32 n) -{ - switch (m->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_msg_buflen_v2(m, n); - default: - CERROR("incorrect message magic: %08x\n", m->lm_magic); - return 0; - } -} -EXPORT_SYMBOL(lustre_msg_buflen); - -/* NB return the bufcount for lustre_msg_v2 format, so if message is packed - * in V1 format, the result is one bigger. (add struct ptlrpc_body). - */ -u32 lustre_msg_bufcount(struct lustre_msg *m) -{ - switch (m->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return m->lm_bufcount; - default: - CERROR("incorrect message magic: %08x\n", m->lm_magic); - return 0; - } -} - -char *lustre_msg_string(struct lustre_msg *m, u32 index, u32 max_len) -{ - /* max_len == 0 means the string should fill the buffer */ - char *str; - u32 slen, blen; - - switch (m->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - str = lustre_msg_buf_v2(m, index, 0); - blen = lustre_msg_buflen_v2(m, index); - break; - default: - LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic); - } - - if (!str) { - CERROR("can't unpack string in msg %p buffer[%d]\n", m, index); - return NULL; - } - - slen = strnlen(str, blen); - - if (slen == blen) { /* not NULL terminated */ - CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n", - m, index, blen); - return NULL; - } - - if (max_len == 0) { - if (slen != blen - 1) { - CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n", - m, index, blen, slen); - return NULL; - } - } else if (slen > max_len) { - CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n", - m, index, blen, slen, max_len); - return NULL; - } - - return str; -} - -/* Wrap up the normal fixed length cases */ -static inline void *__lustre_swab_buf(struct lustre_msg *msg, u32 index, - u32 min_size, void *swabber) -{ - void *ptr = NULL; - - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - ptr = lustre_msg_buf_v2(msg, index, min_size); - break; - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - } - - if (ptr && swabber) - ((void (*)(void *))swabber)(ptr); - - return ptr; -} - -static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg) -{ - return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, - sizeof(struct ptlrpc_body_v2)); -} - -__u32 lustre_msghdr_get_flags(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - /* already in host endian */ - return msg->lm_flags; - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} -EXPORT_SYMBOL(lustre_msghdr_get_flags); - -void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - msg->lm_flags = flags; - return; - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -__u32 lustre_msg_get_flags(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (pb) - return pb->pb_flags; - - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - } - /* fall through */ - default: - /* flags might be printed in debug code while message - * uninitialized - */ - return 0; - } -} -EXPORT_SYMBOL(lustre_msg_get_flags); - -void lustre_msg_add_flags(struct lustre_msg *msg, u32 flags) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_flags |= flags; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} -EXPORT_SYMBOL(lustre_msg_add_flags); - -void lustre_msg_set_flags(struct lustre_msg *msg, u32 flags) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_flags = flags; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void lustre_msg_clear_flags(struct lustre_msg *msg, u32 flags) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_flags &= ~(flags & MSG_GEN_FLAG_MASK); - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} -EXPORT_SYMBOL(lustre_msg_clear_flags); - -__u32 lustre_msg_get_op_flags(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (pb) - return pb->pb_op_flags; - - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - } - /* fall through */ - default: - return 0; - } -} - -void lustre_msg_add_op_flags(struct lustre_msg *msg, u32 flags) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_op_flags |= flags; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} -EXPORT_SYMBOL(lustre_msg_add_op_flags); - -struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return NULL; - } - return &pb->pb_handle; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return NULL; - } -} - -__u32 lustre_msg_get_type(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return PTL_RPC_MSG_ERR; - } - return pb->pb_type; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return PTL_RPC_MSG_ERR; - } -} -EXPORT_SYMBOL(lustre_msg_get_type); - -void lustre_msg_add_version(struct lustre_msg *msg, u32 version) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_version |= version; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -__u32 lustre_msg_get_opc(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return 0; - } - return pb->pb_opc; - } - default: - CERROR("incorrect message magic: %08x (msg:%p)\n", - msg->lm_magic, msg); - return 0; - } -} -EXPORT_SYMBOL(lustre_msg_get_opc); - -__u16 lustre_msg_get_tag(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return 0; - } - return pb->pb_tag; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} -EXPORT_SYMBOL(lustre_msg_get_tag); - -__u64 lustre_msg_get_last_committed(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return 0; - } - return pb->pb_last_committed; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} -EXPORT_SYMBOL(lustre_msg_get_last_committed); - -__u64 *lustre_msg_get_versions(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return NULL; - } - return pb->pb_pre_versions; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return NULL; - } -} -EXPORT_SYMBOL(lustre_msg_get_versions); - -__u64 lustre_msg_get_transno(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return 0; - } - return pb->pb_transno; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} -EXPORT_SYMBOL(lustre_msg_get_transno); - -int lustre_msg_get_status(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (pb) - return pb->pb_status; - - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - } - /* fall through */ - default: - /* status might be printed in debug code while message - * uninitialized - */ - return -EINVAL; - } -} -EXPORT_SYMBOL(lustre_msg_get_status); - -__u64 lustre_msg_get_slv(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return -EINVAL; - } - return pb->pb_slv; - } - default: - CERROR("invalid msg magic %08x\n", msg->lm_magic); - return -EINVAL; - } -} - -void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return; - } - pb->pb_slv = slv; - return; - } - default: - CERROR("invalid msg magic %x\n", msg->lm_magic); - return; - } -} - -__u32 lustre_msg_get_limit(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return -EINVAL; - } - return pb->pb_limit; - } - default: - CERROR("invalid msg magic %x\n", msg->lm_magic); - return -EINVAL; - } -} - -void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return; - } - pb->pb_limit = limit; - return; - } - default: - CERROR("invalid msg magic %08x\n", msg->lm_magic); - return; - } -} - -__u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return 0; - } - return pb->pb_conn_cnt; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} -EXPORT_SYMBOL(lustre_msg_get_conn_cnt); - -__u32 lustre_msg_get_magic(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return msg->lm_magic; - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} - -__u32 lustre_msg_get_timeout(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return 0; - } - return pb->pb_timeout; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return -EPROTO; - } -} - -__u32 lustre_msg_get_service_time(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - if (!pb) { - CERROR("invalid msg %p: no ptlrpc body!\n", msg); - return 0; - } - return pb->pb_service_time; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} - -__u32 lustre_msg_get_cksum(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return msg->lm_cksum; - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} - -__u32 lustre_msg_calc_cksum(struct lustre_msg *msg) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - __u32 crc; - unsigned int hsize = 4; - - cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb, - lustre_msg_buflen(msg, - MSG_PTLRPC_BODY_OFF), - NULL, 0, (unsigned char *)&crc, &hsize); - return crc; - } - default: - CERROR("incorrect message magic: %08x\n", msg->lm_magic); - return 0; - } -} - -void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_handle = *handle; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void lustre_msg_set_type(struct lustre_msg *msg, __u32 type) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_type = type; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_opc = opc; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void lustre_msg_set_last_xid(struct lustre_msg *msg, u64 last_xid) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_last_xid = last_xid; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_tag = tag; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} -EXPORT_SYMBOL(lustre_msg_set_tag); - -void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_pre_versions[0] = versions[0]; - pb->pb_pre_versions[1] = versions[1]; - pb->pb_pre_versions[2] = versions[2]; - pb->pb_pre_versions[3] = versions[3]; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} -EXPORT_SYMBOL(lustre_msg_set_versions); - -void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_transno = transno; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} -EXPORT_SYMBOL(lustre_msg_set_transno); - -void lustre_msg_set_status(struct lustre_msg *msg, __u32 status) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_status = status; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} -EXPORT_SYMBOL(lustre_msg_set_status); - -void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_conn_cnt = conn_cnt; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_timeout = timeout; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_service_time = service_time; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - __u32 opc = lustre_msg_get_opc(msg); - struct ptlrpc_body *pb; - - /* Don't set jobid for ldlm ast RPCs, they've been shrunk. - * See the comment in ptlrpc_request_pack(). - */ - if (!opc || opc == LDLM_BL_CALLBACK || - opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK) - return; - - pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, - sizeof(struct ptlrpc_body)); - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - - if (jobid) - memcpy(pb->pb_jobid, jobid, LUSTRE_JOBID_SIZE); - else if (pb->pb_jobid[0] == '\0') - lustre_get_jobid(pb->pb_jobid); - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} -EXPORT_SYMBOL(lustre_msg_set_jobid); - -void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - msg->lm_cksum = cksum; - return; - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void lustre_msg_set_mbits(struct lustre_msg *msg, __u64 mbits) -{ - switch (msg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: { - struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); - - LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg); - pb->pb_mbits = mbits; - return; - } - default: - LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); - } -} - -void ptlrpc_request_set_replen(struct ptlrpc_request *req) -{ - int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER); - - req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, - req->rq_pill.rc_area[RCL_SERVER]); - if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2) - req->rq_reqmsg->lm_repsize = req->rq_replen; -} -EXPORT_SYMBOL(ptlrpc_request_set_replen); - -/** - * Send a remote set_info_async. - * - * This may go from client to server or server to client. - */ -int do_set_info_async(struct obd_import *imp, - int opcode, int version, - u32 keylen, void *key, - u32 vallen, void *val, - struct ptlrpc_request_set *set) -{ - struct ptlrpc_request *req; - char *tmp; - int rc; - - req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO); - if (!req) - return -ENOMEM; - - req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY, - RCL_CLIENT, keylen); - req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL, - RCL_CLIENT, vallen); - rc = ptlrpc_request_pack(req, version, opcode); - if (rc) { - ptlrpc_request_free(req); - return rc; - } - - tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY); - memcpy(tmp, key, keylen); - tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL); - memcpy(tmp, val, vallen); - - ptlrpc_request_set_replen(req); - - if (set) { - ptlrpc_set_add_req(set, req); - ptlrpc_check_set(NULL, set); - } else { - rc = ptlrpc_queue_wait(req); - ptlrpc_req_finished(req); - } - - return rc; -} -EXPORT_SYMBOL(do_set_info_async); - -/* byte flipping routines for all wire types declared in - * lustre_idl.h implemented here. - */ -void lustre_swab_ptlrpc_body(struct ptlrpc_body *b) -{ - __swab32s(&b->pb_type); - __swab32s(&b->pb_version); - __swab32s(&b->pb_opc); - __swab32s(&b->pb_status); - __swab64s(&b->pb_last_xid); - __swab16s(&b->pb_tag); - __swab64s(&b->pb_last_committed); - __swab64s(&b->pb_transno); - __swab32s(&b->pb_flags); - __swab32s(&b->pb_op_flags); - __swab32s(&b->pb_conn_cnt); - __swab32s(&b->pb_timeout); - __swab32s(&b->pb_service_time); - __swab32s(&b->pb_limit); - __swab64s(&b->pb_slv); - __swab64s(&b->pb_pre_versions[0]); - __swab64s(&b->pb_pre_versions[1]); - __swab64s(&b->pb_pre_versions[2]); - __swab64s(&b->pb_pre_versions[3]); - __swab64s(&b->pb_mbits); - BUILD_BUG_ON(offsetof(typeof(*b), pb_padding0) == 0); - BUILD_BUG_ON(offsetof(typeof(*b), pb_padding1) == 0); - BUILD_BUG_ON(offsetof(typeof(*b), pb_padding64_0) == 0); - BUILD_BUG_ON(offsetof(typeof(*b), pb_padding64_1) == 0); - BUILD_BUG_ON(offsetof(typeof(*b), pb_padding64_2) == 0); - /* While we need to maintain compatibility between - * clients and servers without ptlrpc_body_v2 (< 2.3) - * do not swab any fields beyond pb_jobid, as we are - * using this swab function for both ptlrpc_body - * and ptlrpc_body_v2. - */ - BUILD_BUG_ON(offsetof(typeof(*b), pb_jobid) == 0); -} - -void lustre_swab_connect(struct obd_connect_data *ocd) -{ - __swab64s(&ocd->ocd_connect_flags); - __swab32s(&ocd->ocd_version); - __swab32s(&ocd->ocd_grant); - __swab64s(&ocd->ocd_ibits_known); - __swab32s(&ocd->ocd_index); - __swab32s(&ocd->ocd_brw_size); - /* ocd_blocksize and ocd_inodespace don't need to be swabbed because - * they are 8-byte values - */ - __swab16s(&ocd->ocd_grant_extent); - __swab32s(&ocd->ocd_unused); - __swab64s(&ocd->ocd_transno); - __swab32s(&ocd->ocd_group); - __swab32s(&ocd->ocd_cksum_types); - __swab32s(&ocd->ocd_instance); - /* Fields after ocd_cksum_types are only accessible by the receiver - * if the corresponding flag in ocd_connect_flags is set. Accessing - * any field after ocd_maxbytes on the receiver without a valid flag - * may result in out-of-bound memory access and kernel oops. - */ - if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE) - __swab32s(&ocd->ocd_max_easize); - if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES) - __swab64s(&ocd->ocd_maxbytes); - if (ocd->ocd_connect_flags & OBD_CONNECT_MULTIMODRPCS) - __swab16s(&ocd->ocd_maxmodrpcs); - BUILD_BUG_ON(!offsetof(typeof(*ocd), padding0)); - BUILD_BUG_ON(offsetof(typeof(*ocd), padding1) == 0); - if (ocd->ocd_connect_flags & OBD_CONNECT_FLAGS2) - __swab64s(&ocd->ocd_connect_flags2); - BUILD_BUG_ON(offsetof(typeof(*ocd), padding3) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), padding4) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), padding5) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), padding6) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), padding7) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), padding8) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), padding9) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), paddingA) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), paddingB) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), paddingC) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), paddingD) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), paddingE) == 0); - BUILD_BUG_ON(offsetof(typeof(*ocd), paddingF) == 0); -} - -static void lustre_swab_obdo(struct obdo *o) -{ - __swab64s(&o->o_valid); - lustre_swab_ost_id(&o->o_oi); - __swab64s(&o->o_parent_seq); - __swab64s(&o->o_size); - __swab64s(&o->o_mtime); - __swab64s(&o->o_atime); - __swab64s(&o->o_ctime); - __swab64s(&o->o_blocks); - __swab64s(&o->o_grant); - __swab32s(&o->o_blksize); - __swab32s(&o->o_mode); - __swab32s(&o->o_uid); - __swab32s(&o->o_gid); - __swab32s(&o->o_flags); - __swab32s(&o->o_nlink); - __swab32s(&o->o_parent_oid); - __swab32s(&o->o_misc); - __swab64s(&o->o_ioepoch); - __swab32s(&o->o_stripe_idx); - __swab32s(&o->o_parent_ver); - /* o_handle is opaque */ - /* o_lcookie is swabbed elsewhere */ - __swab32s(&o->o_uid_h); - __swab32s(&o->o_gid_h); - __swab64s(&o->o_data_version); - BUILD_BUG_ON(offsetof(typeof(*o), o_padding_4) == 0); - BUILD_BUG_ON(offsetof(typeof(*o), o_padding_5) == 0); - BUILD_BUG_ON(offsetof(typeof(*o), o_padding_6) == 0); -} - -void lustre_swab_obd_statfs(struct obd_statfs *os) -{ - __swab64s(&os->os_type); - __swab64s(&os->os_blocks); - __swab64s(&os->os_bfree); - __swab64s(&os->os_bavail); - __swab64s(&os->os_files); - __swab64s(&os->os_ffree); - /* no need to swab os_fsid */ - __swab32s(&os->os_bsize); - __swab32s(&os->os_namelen); - __swab64s(&os->os_maxbytes); - __swab32s(&os->os_state); - BUILD_BUG_ON(offsetof(typeof(*os), os_fprecreated) == 0); - BUILD_BUG_ON(offsetof(typeof(*os), os_spare2) == 0); - BUILD_BUG_ON(offsetof(typeof(*os), os_spare3) == 0); - BUILD_BUG_ON(offsetof(typeof(*os), os_spare4) == 0); - BUILD_BUG_ON(offsetof(typeof(*os), os_spare5) == 0); - BUILD_BUG_ON(offsetof(typeof(*os), os_spare6) == 0); - BUILD_BUG_ON(offsetof(typeof(*os), os_spare7) == 0); - BUILD_BUG_ON(offsetof(typeof(*os), os_spare8) == 0); - BUILD_BUG_ON(offsetof(typeof(*os), os_spare9) == 0); -} - -void lustre_swab_obd_ioobj(struct obd_ioobj *ioo) -{ - lustre_swab_ost_id(&ioo->ioo_oid); - __swab32s(&ioo->ioo_max_brw); - __swab32s(&ioo->ioo_bufcnt); -} - -void lustre_swab_niobuf_remote(struct niobuf_remote *nbr) -{ - __swab64s(&nbr->rnb_offset); - __swab32s(&nbr->rnb_len); - __swab32s(&nbr->rnb_flags); -} - -void lustre_swab_ost_body(struct ost_body *b) -{ - lustre_swab_obdo(&b->oa); -} - -void lustre_swab_ost_last_id(u64 *id) -{ - __swab64s(id); -} - -void lustre_swab_generic_32s(__u32 *val) -{ - __swab32s(val); -} - -void lustre_swab_gl_desc(union ldlm_gl_desc *desc) -{ - lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid); - __swab64s(&desc->lquota_desc.gl_flags); - __swab64s(&desc->lquota_desc.gl_ver); - __swab64s(&desc->lquota_desc.gl_hardlimit); - __swab64s(&desc->lquota_desc.gl_softlimit); - __swab64s(&desc->lquota_desc.gl_time); - BUILD_BUG_ON(offsetof(typeof(desc->lquota_desc), gl_pad2) == 0); -} - -void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb) -{ - __swab64s(&lvb->lvb_size); - __swab64s(&lvb->lvb_mtime); - __swab64s(&lvb->lvb_atime); - __swab64s(&lvb->lvb_ctime); - __swab64s(&lvb->lvb_blocks); -} -EXPORT_SYMBOL(lustre_swab_ost_lvb_v1); - -void lustre_swab_ost_lvb(struct ost_lvb *lvb) -{ - __swab64s(&lvb->lvb_size); - __swab64s(&lvb->lvb_mtime); - __swab64s(&lvb->lvb_atime); - __swab64s(&lvb->lvb_ctime); - __swab64s(&lvb->lvb_blocks); - __swab32s(&lvb->lvb_mtime_ns); - __swab32s(&lvb->lvb_atime_ns); - __swab32s(&lvb->lvb_ctime_ns); - __swab32s(&lvb->lvb_padding); -} -EXPORT_SYMBOL(lustre_swab_ost_lvb); - -void lustre_swab_lquota_lvb(struct lquota_lvb *lvb) -{ - __swab64s(&lvb->lvb_flags); - __swab64s(&lvb->lvb_id_may_rel); - __swab64s(&lvb->lvb_id_rel); - __swab64s(&lvb->lvb_id_qunit); - __swab64s(&lvb->lvb_pad1); -} -EXPORT_SYMBOL(lustre_swab_lquota_lvb); - -void lustre_swab_mdt_body(struct mdt_body *b) -{ - lustre_swab_lu_fid(&b->mbo_fid1); - lustre_swab_lu_fid(&b->mbo_fid2); - /* handle is opaque */ - __swab64s(&b->mbo_valid); - __swab64s(&b->mbo_size); - __swab64s(&b->mbo_mtime); - __swab64s(&b->mbo_atime); - __swab64s(&b->mbo_ctime); - __swab64s(&b->mbo_blocks); - __swab64s(&b->mbo_ioepoch); - __swab64s(&b->mbo_t_state); - __swab32s(&b->mbo_fsuid); - __swab32s(&b->mbo_fsgid); - __swab32s(&b->mbo_capability); - __swab32s(&b->mbo_mode); - __swab32s(&b->mbo_uid); - __swab32s(&b->mbo_gid); - __swab32s(&b->mbo_flags); - __swab32s(&b->mbo_rdev); - __swab32s(&b->mbo_nlink); - BUILD_BUG_ON(offsetof(typeof(*b), mbo_unused2) == 0); - __swab32s(&b->mbo_suppgid); - __swab32s(&b->mbo_eadatasize); - __swab32s(&b->mbo_aclsize); - __swab32s(&b->mbo_max_mdsize); - BUILD_BUG_ON(!offsetof(typeof(*b), mbo_unused3)); - __swab32s(&b->mbo_uid_h); - __swab32s(&b->mbo_gid_h); - BUILD_BUG_ON(offsetof(typeof(*b), mbo_padding_5) == 0); -} - -void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b) -{ - /* handle is opaque */ - /* mio_handle is opaque */ - BUILD_BUG_ON(!offsetof(typeof(*b), mio_unused1)); - BUILD_BUG_ON(!offsetof(typeof(*b), mio_unused2)); - BUILD_BUG_ON(!offsetof(typeof(*b), mio_padding)); -} - -void lustre_swab_mgs_target_info(struct mgs_target_info *mti) -{ - int i; - - __swab32s(&mti->mti_lustre_ver); - __swab32s(&mti->mti_stripe_index); - __swab32s(&mti->mti_config_ver); - __swab32s(&mti->mti_flags); - __swab32s(&mti->mti_instance); - __swab32s(&mti->mti_nid_count); - BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64)); - for (i = 0; i < MTI_NIDS_MAX; i++) - __swab64s(&mti->mti_nids[i]); -} - -void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry) -{ - __u8 i; - - __swab64s(&entry->mne_version); - __swab32s(&entry->mne_instance); - __swab32s(&entry->mne_index); - __swab32s(&entry->mne_length); - - /* mne_nid_(count|type) must be one byte size because we're gonna - * access it w/o swapping. */ - BUILD_BUG_ON(sizeof(entry->mne_nid_count) != sizeof(__u8)); - BUILD_BUG_ON(sizeof(entry->mne_nid_type) != sizeof(__u8)); - - /* remove this assertion if ipv6 is supported. */ - LASSERT(entry->mne_nid_type == 0); - for (i = 0; i < entry->mne_nid_count; i++) { - BUILD_BUG_ON(sizeof(lnet_nid_t) != sizeof(__u64)); - __swab64s(&entry->u.nids[i]); - } -} -EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry); - -void lustre_swab_mgs_config_body(struct mgs_config_body *body) -{ - __swab64s(&body->mcb_offset); - __swab32s(&body->mcb_units); - __swab16s(&body->mcb_type); -} - -void lustre_swab_mgs_config_res(struct mgs_config_res *body) -{ - __swab64s(&body->mcr_offset); - __swab64s(&body->mcr_size); -} - -static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i) -{ - __swab64s(&i->dqi_bgrace); - __swab64s(&i->dqi_igrace); - __swab32s(&i->dqi_flags); - __swab32s(&i->dqi_valid); -} - -static void lustre_swab_obd_dqblk(struct obd_dqblk *b) -{ - __swab64s(&b->dqb_ihardlimit); - __swab64s(&b->dqb_isoftlimit); - __swab64s(&b->dqb_curinodes); - __swab64s(&b->dqb_bhardlimit); - __swab64s(&b->dqb_bsoftlimit); - __swab64s(&b->dqb_curspace); - __swab64s(&b->dqb_btime); - __swab64s(&b->dqb_itime); - __swab32s(&b->dqb_valid); - BUILD_BUG_ON(offsetof(typeof(*b), dqb_padding) == 0); -} - -void lustre_swab_obd_quotactl(struct obd_quotactl *q) -{ - __swab32s(&q->qc_cmd); - __swab32s(&q->qc_type); - __swab32s(&q->qc_id); - __swab32s(&q->qc_stat); - lustre_swab_obd_dqinfo(&q->qc_dqinfo); - lustre_swab_obd_dqblk(&q->qc_dqblk); -} - -void lustre_swab_fid2path(struct getinfo_fid2path *gf) -{ - lustre_swab_lu_fid(&gf->gf_fid); - __swab64s(&gf->gf_recno); - __swab32s(&gf->gf_linkno); - __swab32s(&gf->gf_pathlen); -} -EXPORT_SYMBOL(lustre_swab_fid2path); - -static void lustre_swab_fiemap_extent(struct fiemap_extent *fm_extent) -{ - __swab64s(&fm_extent->fe_logical); - __swab64s(&fm_extent->fe_physical); - __swab64s(&fm_extent->fe_length); - __swab32s(&fm_extent->fe_flags); - __swab32s(&fm_extent->fe_device); -} - -void lustre_swab_fiemap(struct fiemap *fiemap) -{ - __u32 i; - - __swab64s(&fiemap->fm_start); - __swab64s(&fiemap->fm_length); - __swab32s(&fiemap->fm_flags); - __swab32s(&fiemap->fm_mapped_extents); - __swab32s(&fiemap->fm_extent_count); - __swab32s(&fiemap->fm_reserved); - - for (i = 0; i < fiemap->fm_mapped_extents; i++) - lustre_swab_fiemap_extent(&fiemap->fm_extents[i]); -} - -void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr) -{ - __swab32s(&rr->rr_opcode); - __swab32s(&rr->rr_cap); - __swab32s(&rr->rr_fsuid); - /* rr_fsuid_h is unused */ - __swab32s(&rr->rr_fsgid); - /* rr_fsgid_h is unused */ - __swab32s(&rr->rr_suppgid1); - /* rr_suppgid1_h is unused */ - __swab32s(&rr->rr_suppgid2); - /* rr_suppgid2_h is unused */ - lustre_swab_lu_fid(&rr->rr_fid1); - lustre_swab_lu_fid(&rr->rr_fid2); - __swab64s(&rr->rr_mtime); - __swab64s(&rr->rr_atime); - __swab64s(&rr->rr_ctime); - __swab64s(&rr->rr_size); - __swab64s(&rr->rr_blocks); - __swab32s(&rr->rr_bias); - __swab32s(&rr->rr_mode); - __swab32s(&rr->rr_flags); - __swab32s(&rr->rr_flags_h); - __swab32s(&rr->rr_umask); - - BUILD_BUG_ON(offsetof(typeof(*rr), rr_padding_4) == 0); -}; - -void lustre_swab_lov_desc(struct lov_desc *ld) -{ - __swab32s(&ld->ld_tgt_count); - __swab32s(&ld->ld_active_tgt_count); - __swab32s(&ld->ld_default_stripe_count); - __swab32s(&ld->ld_pattern); - __swab64s(&ld->ld_default_stripe_size); - __swab64s(&ld->ld_default_stripe_offset); - __swab32s(&ld->ld_qos_maxage); - /* uuid endian insensitive */ -} -EXPORT_SYMBOL(lustre_swab_lov_desc); - -/* This structure is always in little-endian */ -static void lustre_swab_lmv_mds_md_v1(struct lmv_mds_md_v1 *lmm1) -{ - int i; - - __swab32s(&lmm1->lmv_magic); - __swab32s(&lmm1->lmv_stripe_count); - __swab32s(&lmm1->lmv_master_mdt_index); - __swab32s(&lmm1->lmv_hash_type); - __swab32s(&lmm1->lmv_layout_version); - for (i = 0; i < lmm1->lmv_stripe_count; i++) - lustre_swab_lu_fid(&lmm1->lmv_stripe_fids[i]); -} - -void lustre_swab_lmv_mds_md(union lmv_mds_md *lmm) -{ - switch (lmm->lmv_magic) { - case LMV_MAGIC_V1: - lustre_swab_lmv_mds_md_v1(&lmm->lmv_md_v1); - break; - default: - break; - } -} -EXPORT_SYMBOL(lustre_swab_lmv_mds_md); - -void lustre_swab_lmv_user_md(struct lmv_user_md *lum) -{ - __swab32s(&lum->lum_magic); - __swab32s(&lum->lum_stripe_count); - __swab32s(&lum->lum_stripe_offset); - __swab32s(&lum->lum_hash_type); - __swab32s(&lum->lum_type); - BUILD_BUG_ON(!offsetof(typeof(*lum), lum_padding1)); -} -EXPORT_SYMBOL(lustre_swab_lmv_user_md); - -static void lustre_swab_lmm_oi(struct ost_id *oi) -{ - __swab64s(&oi->oi.oi_id); - __swab64s(&oi->oi.oi_seq); -} - -static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum) -{ - __swab32s(&lum->lmm_magic); - __swab32s(&lum->lmm_pattern); - lustre_swab_lmm_oi(&lum->lmm_oi); - __swab32s(&lum->lmm_stripe_size); - __swab16s(&lum->lmm_stripe_count); - __swab16s(&lum->lmm_stripe_offset); -} - -void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum) -{ - CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n"); - lustre_swab_lov_user_md_common(lum); -} -EXPORT_SYMBOL(lustre_swab_lov_user_md_v1); - -void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum) -{ - CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n"); - lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum); - /* lmm_pool_name nothing to do with char */ -} -EXPORT_SYMBOL(lustre_swab_lov_user_md_v3); - -void lustre_swab_lov_mds_md(struct lov_mds_md *lmm) -{ - CDEBUG(D_IOCTL, "swabbing lov_mds_md\n"); - __swab32s(&lmm->lmm_magic); - __swab32s(&lmm->lmm_pattern); - lustre_swab_lmm_oi(&lmm->lmm_oi); - __swab32s(&lmm->lmm_stripe_size); - __swab16s(&lmm->lmm_stripe_count); - __swab16s(&lmm->lmm_layout_gen); -} -EXPORT_SYMBOL(lustre_swab_lov_mds_md); - -void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod, - int stripe_count) -{ - int i; - - for (i = 0; i < stripe_count; i++) { - lustre_swab_ost_id(&lod[i].l_ost_oi); - __swab32s(&lod[i].l_ost_gen); - __swab32s(&lod[i].l_ost_idx); - } -} -EXPORT_SYMBOL(lustre_swab_lov_user_md_objects); - -static void lustre_swab_ldlm_res_id(struct ldlm_res_id *id) -{ - int i; - - for (i = 0; i < RES_NAME_SIZE; i++) - __swab64s(&id->name[i]); -} - -static void lustre_swab_ldlm_policy_data(union ldlm_wire_policy_data *d) -{ - /* the lock data is a union and the first two fields are always an - * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock - * data the same way. - */ - __swab64s(&d->l_extent.start); - __swab64s(&d->l_extent.end); - __swab64s(&d->l_extent.gid); - __swab64s(&d->l_flock.lfw_owner); - __swab32s(&d->l_flock.lfw_pid); -} - -void lustre_swab_ldlm_intent(struct ldlm_intent *i) -{ - __swab64s(&i->opc); -} - -static void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r) -{ - __swab32s(&r->lr_type); - BUILD_BUG_ON(offsetof(typeof(*r), lr_padding) == 0); - lustre_swab_ldlm_res_id(&r->lr_name); -} - -static void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l) -{ - lustre_swab_ldlm_resource_desc(&l->l_resource); - __swab32s(&l->l_req_mode); - __swab32s(&l->l_granted_mode); - lustre_swab_ldlm_policy_data(&l->l_policy_data); -} - -void lustre_swab_ldlm_request(struct ldlm_request *rq) -{ - __swab32s(&rq->lock_flags); - lustre_swab_ldlm_lock_desc(&rq->lock_desc); - __swab32s(&rq->lock_count); - /* lock_handle[] opaque */ -} - -void lustre_swab_ldlm_reply(struct ldlm_reply *r) -{ - __swab32s(&r->lock_flags); - BUILD_BUG_ON(offsetof(typeof(*r), lock_padding) == 0); - lustre_swab_ldlm_lock_desc(&r->lock_desc); - /* lock_handle opaque */ - __swab64s(&r->lock_policy_res1); - __swab64s(&r->lock_policy_res2); -} - -/* Dump functions */ -void dump_ioo(struct obd_ioobj *ioo) -{ - CDEBUG(D_RPCTRACE, - "obd_ioobj: ioo_oid=" DOSTID ", ioo_max_brw=%#x, ioo_bufct=%d\n", - POSTID(&ioo->ioo_oid), ioo->ioo_max_brw, - ioo->ioo_bufcnt); -} - -void dump_rniobuf(struct niobuf_remote *nb) -{ - CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n", - nb->rnb_offset, nb->rnb_len, nb->rnb_flags); -} - -static void dump_obdo(struct obdo *oa) -{ - __u32 valid = oa->o_valid; - - CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid); - if (valid & OBD_MD_FLID) - CDEBUG(D_RPCTRACE, "obdo: id = " DOSTID "\n", POSTID(&oa->o_oi)); - if (valid & OBD_MD_FLFID) - CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n", - oa->o_parent_seq); - if (valid & OBD_MD_FLSIZE) - CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size); - if (valid & OBD_MD_FLMTIME) - CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime); - if (valid & OBD_MD_FLATIME) - CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime); - if (valid & OBD_MD_FLCTIME) - CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime); - if (valid & OBD_MD_FLBLOCKS) /* allocation of space */ - CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks); - if (valid & OBD_MD_FLGRANT) - CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant); - if (valid & OBD_MD_FLBLKSZ) - CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize); - if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE)) - CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n", - oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) | - (valid & OBD_MD_FLMODE ? ~S_IFMT : 0))); - if (valid & OBD_MD_FLUID) - CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid); - if (valid & OBD_MD_FLUID) - CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h); - if (valid & OBD_MD_FLGID) - CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid); - if (valid & OBD_MD_FLGID) - CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h); - if (valid & OBD_MD_FLFLAGS) - CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags); - if (valid & OBD_MD_FLNLINK) - CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink); - else if (valid & OBD_MD_FLCKSUM) - CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n", - oa->o_nlink); - if (valid & OBD_MD_FLGENER) - CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n", - oa->o_parent_oid); - if (valid & OBD_MD_FLEPOCH) - CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = %lld\n", - oa->o_ioepoch); - if (valid & OBD_MD_FLFID) { - CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n", - oa->o_stripe_idx); - CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n", - oa->o_parent_ver); - } - if (valid & OBD_MD_FLHANDLE) - CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n", - oa->o_handle.cookie); -} - -void dump_ost_body(struct ost_body *ob) -{ - dump_obdo(&ob->oa); -} - -void dump_rcs(__u32 *rc) -{ - CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc); -} - -static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req) -{ - LASSERT(req->rq_reqmsg); - - switch (req->rq_reqmsg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF); - default: - CERROR("bad lustre msg magic: %#08X\n", - req->rq_reqmsg->lm_magic); - } - return 0; -} - -static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req) -{ - LASSERT(req->rq_repmsg); - - switch (req->rq_repmsg->lm_magic) { - case LUSTRE_MSG_MAGIC_V2: - return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF); - default: - /* uninitialized yet */ - return 0; - } -} - -void _debug_req(struct ptlrpc_request *req, - struct libcfs_debug_msg_data *msgdata, - const char *fmt, ...) -{ - int req_ok = req->rq_reqmsg != NULL; - int rep_ok = req->rq_repmsg != NULL; - lnet_nid_t nid = LNET_NID_ANY; - va_list args; - - if (ptlrpc_req_need_swab(req)) { - req_ok = req_ok && req_ptlrpc_body_swabbed(req); - rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req); - } - - if (req->rq_import && req->rq_import->imp_connection) - nid = req->rq_import->imp_connection->c_peer.nid; - else if (req->rq_export && req->rq_export->exp_connection) - nid = req->rq_export->exp_connection->c_peer.nid; - - va_start(args, fmt); - libcfs_debug_vmsg2(msgdata, fmt, args, - " req@%p x%llu/t%lld(%lld) o%d->%s@%s:%d/%d lens %d/%d e %d to %lld dl %lld ref %d fl " REQ_FLAGS_FMT "/%x/%x rc %d/%d\n", - req, req->rq_xid, req->rq_transno, - req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0, - req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1, - req->rq_import ? - req->rq_import->imp_obd->obd_name : - req->rq_export ? - req->rq_export->exp_client_uuid.uuid : - "<?>", - libcfs_nid2str(nid), - req->rq_request_portal, req->rq_reply_portal, - req->rq_reqlen, req->rq_replen, - req->rq_early_count, (s64)req->rq_timedout, - (s64)req->rq_deadline, - atomic_read(&req->rq_refcount), - DEBUG_REQ_FLAGS(req), - req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1, - rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1, - req->rq_status, - rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1); - va_end(args); -} -EXPORT_SYMBOL(_debug_req); - -void lustre_swab_lustre_capa(struct lustre_capa *c) -{ - lustre_swab_lu_fid(&c->lc_fid); - __swab64s(&c->lc_opc); - __swab64s(&c->lc_uid); - __swab64s(&c->lc_gid); - __swab32s(&c->lc_flags); - __swab32s(&c->lc_keyid); - __swab32s(&c->lc_timeout); - __swab32s(&c->lc_expiry); -} - -void lustre_swab_hsm_user_state(struct hsm_user_state *state) -{ - __swab32s(&state->hus_states); - __swab32s(&state->hus_archive_id); -} - -void lustre_swab_hsm_state_set(struct hsm_state_set *hss) -{ - __swab32s(&hss->hss_valid); - __swab64s(&hss->hss_setmask); - __swab64s(&hss->hss_clearmask); - __swab32s(&hss->hss_archive_id); -} -EXPORT_SYMBOL(lustre_swab_hsm_state_set); - -static void lustre_swab_hsm_extent(struct hsm_extent *extent) -{ - __swab64s(&extent->offset); - __swab64s(&extent->length); -} - -void lustre_swab_hsm_current_action(struct hsm_current_action *action) -{ - __swab32s(&action->hca_state); - __swab32s(&action->hca_action); - lustre_swab_hsm_extent(&action->hca_location); -} - -void lustre_swab_hsm_user_item(struct hsm_user_item *hui) -{ - lustre_swab_lu_fid(&hui->hui_fid); - lustre_swab_hsm_extent(&hui->hui_extent); -} - -void lustre_swab_layout_intent(struct layout_intent *li) -{ - __swab32s(&li->li_opc); - __swab32s(&li->li_flags); - __swab64s(&li->li_start); - __swab64s(&li->li_end); -} - -void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk) -{ - lustre_swab_lu_fid(&hpk->hpk_fid); - __swab64s(&hpk->hpk_cookie); - __swab64s(&hpk->hpk_extent.offset); - __swab64s(&hpk->hpk_extent.length); - __swab16s(&hpk->hpk_flags); - __swab16s(&hpk->hpk_errval); -} - -void lustre_swab_hsm_request(struct hsm_request *hr) -{ - __swab32s(&hr->hr_action); - __swab32s(&hr->hr_archive_id); - __swab64s(&hr->hr_flags); - __swab32s(&hr->hr_itemcount); - __swab32s(&hr->hr_data_len); -} - -void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl) -{ - __swab64s(&msl->msl_flags); -} -EXPORT_SYMBOL(lustre_swab_swap_layouts); - -void lustre_swab_close_data(struct close_data *cd) -{ - lustre_swab_lu_fid(&cd->cd_fid); - __swab64s(&cd->cd_data_version); -} |