/* * 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.sun.com/software/products/lustre/docs/GPLv2.pdf * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * * GPL HEADER END */ /* * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * * Copyright (c) 2011, 2014, 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 * Author: Phil Schwan * Author: Eric Barton */ #define DEBUG_SUBSYSTEM S_RPC #include #include #include #include #include #include #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)); } static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg, __u32 version) { __u32 ver = lustre_msg_get_version(msg); return (ver & LUSTRE_VERSION_MASK) != version; } int lustre_msg_check_version(struct lustre_msg *msg, __u32 version) { #define LUSTRE_MSG_MAGIC_V1 0x0BD00BD0 switch (msg->lm_magic) { case LUSTRE_MSG_MAGIC_V1: CERROR("msg v1 not supported - please upgrade you system\n"); return -EINVAL; case LUSTRE_MSG_MAGIC_V2: return lustre_msg_check_version_v2(msg, version); default: CERROR("incorrect message magic: %08x\n", msg->lm_magic); return -EPROTO; } #undef LUSTRE_MSG_MAGIC_V1 } /* early reply size */ __u32 lustre_msg_early_size() { static __u32 size; if (!size) { /* Always reply old ptlrpc_body_v2 to keep interoprability * with the old client (< 2.3) which doesn't have pb_jobid * in the ptlrpc_body. * * XXX Remove this whenever we dorp interoprability 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 == NULL) return; ptr = (char *)msg + lustre_msg_hdr_size_v2(count); for (i = 0; i < count; i++) { char *tmp = bufs[i]; LOGL(tmp, lens[i], ptr); } } 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 */ magic = LUSTRE_MSG_MAGIC_V2; switch (magic) { case LUSTRE_MSG_MAGIC_V2: return lustre_pack_request_v2(req, count, lens, bufs); default: LASSERTF(0, "incorrect message magic: %08x\n", magic); return -EINVAL; } } #if RS_DEBUG struct list_head ptlrpc_rs_debug_lru = LIST_HEAD_INIT(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)) { struct l_wait_info lwi; 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 */ lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL); rc = l_wait_event(svcpt->scp_rep_waitq, !list_empty(&svcpt->scp_rep_idle), &lwi); 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; ENTRY; LASSERT(req->rq_reply_state == NULL); 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; LASSERT(m != NULL); 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); } } 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 == NULL); 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); CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0); CLASSERT(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; ENTRY; /* 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); static inline void lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, __u32 n, __u32 len) { if (n >= m->lm_bufcount) LBUG(); m->lm_buflens[n] = len; } void lustre_msg_set_buflen(struct lustre_msg *m, __u32 n, __u32 len) { switch (m->lm_magic) { case LUSTRE_MSG_MAGIC_V2: lustre_msg_set_buflen_v2(m, n, len); return; default: LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic); } } /* 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 == NULL) { 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; LASSERT(msg != 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 != NULL && swabber != NULL) ((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 != NULL) return pb->pb_flags; CERROR("invalid msg %p: no ptlrpc body!\n", msg); } /* no break */ 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 != NULL, "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 != NULL, "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 != NULL, "invalid msg %p: no ptlrpc body!\n", msg); pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags); 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 != NULL) return pb->pb_op_flags; CERROR("invalid msg %p: no ptlrpc body!\n", msg); } /* no break */ 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 != NULL, "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 == NULL) { 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 == NULL) { 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); __u32 lustre_msg_get_version(struct lustre_msg *msg) { switch (msg->lm_magic) { case LUSTRE_MSG_MAGIC_V2: { struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); if (pb == NULL) { CERROR("invalid msg %p: no ptlrpc body!\n", msg); return 0; } return pb->pb_version; } default: CERROR("incorrect message magic: %08x\n", msg->lm_magic); return 0; } } 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 != NULL, "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 == NULL) { 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); __u64 lustre_msg_get_last_xid(struct lustre_msg *msg) { switch (msg->lm_magic) { case LUSTRE_MSG_MAGIC_V2: { struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); if (pb == NULL) { CERROR("invalid msg %p: no ptlrpc body!\n", msg); return 0; } return pb->pb_last_xid; } default: CERROR("incorrect message magic: %08x\n", msg->lm_magic); return 0; } } EXPORT_SYMBOL(lustre_msg_get_last_xid); __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 == NULL) { 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 == NULL) { 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 == NULL) { 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 != NULL) return pb->pb_status; CERROR("invalid msg %p: no ptlrpc body!\n", msg); } /* no break */ 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 == NULL) { 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 == NULL) { 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 == NULL) { 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 == NULL) { 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 == NULL) { 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 == NULL) { 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 0; } } __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 == NULL) { 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; } } char *lustre_msg_get_jobid(struct lustre_msg *msg) { switch (msg->lm_magic) { case LUSTRE_MSG_MAGIC_V2: { struct ptlrpc_body *pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF, sizeof(struct ptlrpc_body)); if (!pb) return NULL; return pb->pb_jobid; } default: CERROR("incorrect message magic: %08x\n", msg->lm_magic); return NULL; } } EXPORT_SYMBOL(lustre_msg_get_jobid); __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; } } #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0) /* * In 1.6 and 1.8 the checksum was computed only on struct ptlrpc_body as * it was in 1.6 (88 bytes, smaller than the full size in 1.8). It makes * more sense to compute the checksum on the full ptlrpc_body, regardless * of what size it is, but in order to keep interoperability with 1.8 we * can optionally also checksum only the first 88 bytes (caller decides). */ # define ptlrpc_body_cksum_size_compat18 88 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18) #else __u32 lustre_msg_calc_cksum(struct lustre_msg *msg) #endif { switch (msg->lm_magic) { case LUSTRE_MSG_MAGIC_V2: { struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0) __u32 len = compat18 ? ptlrpc_body_cksum_size_compat18 : lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF); #else __u32 len = lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF); #endif unsigned int hsize = 4; __u32 crc; LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg); cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb, len, 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 != NULL, "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); } } EXPORT_SYMBOL(lustre_msg_set_last_xid); 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_last_committed(struct lustre_msg *msg, __u64 last_committed) { switch (msg->lm_magic) { case LUSTRE_MSG_MAGIC_V2: { struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg); LASSERTF(pb != NULL, "invalid msg %p: no ptlrpc body!\n", msg); pb->pb_last_committed = last_committed; return; } default: LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic); } } 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 != NULL, "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 != NULL, "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 != NULL, "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 != NULL, "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 != NULL, "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 shrinked. * 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 != NULL) 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 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); void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens) { req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens); if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2) req->rq_reqmsg->lm_repsize = req->rq_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, size_t keylen, void *key, size_t vallen, void *val, struct ptlrpc_request_set *set) { struct ptlrpc_request *req; char *tmp; int rc; ENTRY; req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO); if (req == NULL) 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]); CLASSERT(offsetof(typeof(*b), pb_padding0) != 0); CLASSERT(offsetof(typeof(*b), pb_padding1) != 0); CLASSERT(offsetof(typeof(*b), pb_padding) != 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. */ CLASSERT(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); CLASSERT(offsetof(typeof(*ocd), padding0) != 0); CLASSERT(offsetof(typeof(*ocd), padding1) != 0); CLASSERT(offsetof(typeof(*ocd), padding2) != 0); CLASSERT(offsetof(typeof(*ocd), padding3) != 0); CLASSERT(offsetof(typeof(*ocd), padding4) != 0); CLASSERT(offsetof(typeof(*ocd), padding5) != 0); CLASSERT(offsetof(typeof(*ocd), padding6) != 0); CLASSERT(offsetof(typeof(*ocd), padding7) != 0); CLASSERT(offsetof(typeof(*ocd), padding8) != 0); CLASSERT(offsetof(typeof(*ocd), padding9) != 0); CLASSERT(offsetof(typeof(*ocd), paddingA) != 0); CLASSERT(offsetof(typeof(*ocd), paddingB) != 0); CLASSERT(offsetof(typeof(*ocd), paddingC) != 0); CLASSERT(offsetof(typeof(*ocd), paddingD) != 0); CLASSERT(offsetof(typeof(*ocd), paddingE) != 0); CLASSERT(offsetof(typeof(*ocd), paddingF) != 0); } 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); CLASSERT(offsetof(typeof(*o), o_padding_4) != 0); CLASSERT(offsetof(typeof(*o), o_padding_5) != 0); CLASSERT(offsetof(typeof(*o), o_padding_6) != 0); } EXPORT_SYMBOL(lustre_swab_obdo); 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); CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0); CLASSERT(offsetof(typeof(*os), os_spare2) != 0); CLASSERT(offsetof(typeof(*os), os_spare3) != 0); CLASSERT(offsetof(typeof(*os), os_spare4) != 0); CLASSERT(offsetof(typeof(*os), os_spare5) != 0); CLASSERT(offsetof(typeof(*os), os_spare6) != 0); CLASSERT(offsetof(typeof(*os), os_spare7) != 0); CLASSERT(offsetof(typeof(*os), os_spare8) != 0); CLASSERT(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); CLASSERT(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); CLASSERT(offsetof(typeof(*b), mbo_unused2) != 0); __swab32s(&b->mbo_suppgid); __swab32s(&b->mbo_eadatasize); __swab32s(&b->mbo_aclsize); __swab32s(&b->mbo_max_mdsize); __swab32s(&b->mbo_max_cookiesize); __swab32s(&b->mbo_uid_h); __swab32s(&b->mbo_gid_h); CLASSERT(offsetof(typeof(*b), mbo_padding_5) != 0); } void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b) { /* mio_handle is opaque */ CLASSERT(offsetof(typeof(*b), mio_unused1) != 0); CLASSERT(offsetof(typeof(*b), mio_unused2) != 0); CLASSERT(offsetof(typeof(*b), mio_padding) != 0); } 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); CLASSERT(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. */ CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8)); CLASSERT(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++) { CLASSERT(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); CLASSERT(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_mdt_remote_perm (struct mdt_remote_perm *p) { __swab32s (&p->rp_uid); __swab32s (&p->rp_gid); __swab32s (&p->rp_fsuid); __swab32s (&p->rp_fsuid_h); __swab32s (&p->rp_fsgid); __swab32s (&p->rp_fsgid_h); __swab32s (&p->rp_access_perm); __swab32s (&p->rp_padding); }; EXPORT_SYMBOL(lustre_swab_mdt_remote_perm); 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 ll_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 ll_user_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_idx_info(struct idx_info *ii) { __swab32s(&ii->ii_magic); __swab32s(&ii->ii_flags); __swab16s(&ii->ii_count); __swab32s(&ii->ii_attrs); lustre_swab_lu_fid(&ii->ii_fid); __swab64s(&ii->ii_version); __swab64s(&ii->ii_hash_start); __swab64s(&ii->ii_hash_end); __swab16s(&ii->ii_keysize); __swab16s(&ii->ii_recsize); } void lustre_swab_lip_header(struct lu_idxpage *lip) { /* swab header */ __swab32s(&lip->lip_magic); __swab16s(&lip->lip_flags); __swab16s(&lip->lip_nr); } EXPORT_SYMBOL(lustre_swab_lip_header); 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); CLASSERT(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); void lustre_swab_lmv_desc (struct lmv_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_hash_size); __swab32s (&ld->ld_qos_maxage); /* uuid endian insensitive */ } /* 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; } } 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); CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0); } EXPORT_SYMBOL(lustre_swab_lmv_user_md); void lustre_print_user_md(unsigned int lvl, struct lov_user_md *lum, const char *msg) { if (likely(!cfs_cdebug_show(lvl, DEBUG_SUBSYSTEM))) return; CDEBUG(lvl, "%s lov_user_md %p:\n", msg, lum); CDEBUG(lvl, "\tlmm_magic: %#x\n", lum->lmm_magic); CDEBUG(lvl, "\tlmm_pattern: %#x\n", lum->lmm_pattern); CDEBUG(lvl, "\tlmm_object_id: "LPU64"\n", lmm_oi_id(&lum->lmm_oi)); CDEBUG(lvl, "\tlmm_object_gr: "LPU64"\n", lmm_oi_seq(&lum->lmm_oi)); CDEBUG(lvl, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size); CDEBUG(lvl, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count); CDEBUG(lvl, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n", lum->lmm_stripe_offset); if (lum->lmm_magic == LOV_USER_MAGIC_V3) { struct lov_user_md_v3 *v3 = (void *)lum; CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name); } if (lum->lmm_magic == LOV_USER_MAGIC_SPECIFIC) { struct lov_user_md_v3 *v3 = (void *)lum; int i; if (v3->lmm_pool_name[0] != '\0') CDEBUG(lvl, "\tlmm_pool_name: %s\n", v3->lmm_pool_name); CDEBUG(lvl, "\ttarget list:\n"); for (i = 0; i < v3->lmm_stripe_count; i++) CDEBUG(lvl, "\t\t%u\n", v3->lmm_objects[i].l_ost_idx); } } EXPORT_SYMBOL(lustre_print_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) { ENTRY; __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); EXIT; } void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum) { ENTRY; CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n"); lustre_swab_lov_user_md_common(lum); EXIT; } EXPORT_SYMBOL(lustre_swab_lov_user_md_v1); void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum) { ENTRY; 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 */ EXIT; } EXPORT_SYMBOL(lustre_swab_lov_user_md_v3); void lustre_swab_lov_mds_md(struct lov_mds_md *lmm) { ENTRY; 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); EXIT; } 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; ENTRY; 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)); } EXIT; } EXPORT_SYMBOL(lustre_swab_lov_user_md_objects); 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]); } void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *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); } void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r) { __swab32s (&r->lr_type); CLASSERT(offsetof(typeof(*r), lr_padding) != 0); lustre_swab_ldlm_res_id (&r->lr_name); } 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); CLASSERT(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); } void lustre_swab_quota_body(struct quota_body *b) { lustre_swab_lu_fid(&b->qb_fid); lustre_swab_lu_fid((struct lu_fid *)&b->qb_id); __swab32s(&b->qb_flags); __swab64s(&b->qb_count); __swab64s(&b->qb_usage); __swab64s(&b->qb_slv_ver); } /* 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="LPU64", len=%d, flags=%x\n", nb->rnb_offset, nb->rnb_len, nb->rnb_flags); } void dump_obdo(struct obdo *oa) { u64 valid = oa->o_valid; CDEBUG(D_RPCTRACE, "obdo: o_valid = "LPX64"\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 = "LPX64"\n", oa->o_parent_seq); if (valid & OBD_MD_FLSIZE) CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size); if (valid & OBD_MD_FLMTIME) CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime); if (valid & OBD_MD_FLATIME) CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime); if (valid & OBD_MD_FLCTIME) CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime); if (valid & OBD_MD_FLBLOCKS) /* allocation of space */ CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks); if (valid & OBD_MD_FLGRANT) CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\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 = "LPD64"\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 = "LPD64"\n", oa->o_handle.cookie); if (valid & OBD_MD_FLCOOKIE) CDEBUG(D_RPCTRACE, "obdo: o_lcookie = " "(llog_cookie dumping not yet implemented)\n"); } 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"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d" " lens %d/%d e %d to %d dl "CFS_TIME_T" 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, req->rq_timedout, 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_lustre_capa_key(struct lustre_capa_key *k) { __swab64s (&k->lk_seq); __swab32s (&k->lk_keyid); CLASSERT(offsetof(typeof(*k), lk_padding) != 0); } 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); } 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_object_update(struct object_update *ou) { struct object_update_param *param; size_t i; __swab16s(&ou->ou_type); __swab16s(&ou->ou_params_count); __swab32s(&ou->ou_master_index); __swab32s(&ou->ou_flags); __swab32s(&ou->ou_padding1); __swab64s(&ou->ou_batchid); lustre_swab_lu_fid(&ou->ou_fid); param = &ou->ou_params[0]; for (i = 0; i < ou->ou_params_count; i++) { __swab16s(¶m->oup_len); __swab16s(¶m->oup_padding); __swab32s(¶m->oup_padding2); param = (struct object_update_param *)((char *)param + object_update_param_size(param)); } } void lustre_swab_object_update_request(struct object_update_request *our) { size_t i; __swab32s(&our->ourq_magic); __swab16s(&our->ourq_count); __swab16s(&our->ourq_padding); for (i = 0; i < our->ourq_count; i++) { struct object_update *ou; ou = object_update_request_get(our, i, NULL); if (ou == NULL) return; lustre_swab_object_update(ou); } } void lustre_swab_object_update_result(struct object_update_result *our) { __swab32s(&our->our_rc); __swab16s(&our->our_datalen); __swab16s(&our->our_padding); } void lustre_swab_object_update_reply(struct object_update_reply *our) { size_t i; __swab32s(&our->ourp_magic); __swab16s(&our->ourp_count); __swab16s(&our->ourp_padding); for (i = 0; i < our->ourp_count; i++) { struct object_update_result *ourp; __swab16s(&our->ourp_lens[i]); ourp = object_update_result_get(our, i, NULL); if (ourp == NULL) return; lustre_swab_object_update_result(ourp); } } void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl) { __swab64s(&msl->msl_flags); } void lustre_swab_close_data(struct close_data *cd) { lustre_swab_lu_fid(&cd->cd_fid); __swab64s(&cd->cd_data_version); } void lustre_swab_lfsck_request(struct lfsck_request *lr) { __swab32s(&lr->lr_event); __swab32s(&lr->lr_index); __swab32s(&lr->lr_flags); __swab32s(&lr->lr_valid); __swab32s(&lr->lr_speed); __swab16s(&lr->lr_version); __swab16s(&lr->lr_active); __swab16s(&lr->lr_param); __swab16s(&lr->lr_async_windows); __swab32s(&lr->lr_flags); lustre_swab_lu_fid(&lr->lr_fid); lustre_swab_lu_fid(&lr->lr_fid2); lustre_swab_lu_fid(&lr->lr_fid3); CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0); CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0); } void lustre_swab_lfsck_reply(struct lfsck_reply *lr) { __swab32s(&lr->lr_status); CLASSERT(offsetof(typeof(*lr), lr_padding_1) != 0); CLASSERT(offsetof(typeof(*lr), lr_padding_2) != 0); } void lustre_swab_orphan_ent(struct lu_orphan_ent *ent) { lustre_swab_lu_fid(&ent->loe_key); lustre_swab_lu_fid(&ent->loe_rec.lor_fid); __swab32s(&ent->loe_rec.lor_uid); __swab32s(&ent->loe_rec.lor_gid); } EXPORT_SYMBOL(lustre_swab_orphan_ent);