/* * 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) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * * Copyright (c) 2011, 2014, Intel Corporation. * * Copyright 2015 Cray Inc, all rights reserved. * Author: Ben Evans. * * We assume all nodes are either little-endian or big-endian, and we * always send messages in the sender's native format. The receiver * detects the message format by checking the 'magic' field of the message * (see lustre_msg_swabbed() below). * * Each type has corresponding 'lustre_swab_xxxtypexxx()' routines * are implemented in ptlrpc/pack_generic.c. These 'swabbers' convert the * type from "other" endian, in-place in the message buffer. * * A swabber takes a single pointer argument. The caller must already have * verified that the length of the message buffer >= sizeof (type). * * For variable length types, a second 'lustre_swab_v_xxxtypexxx()' routine * may be defined that swabs just the variable part, after the caller has * verified that the message buffer is large enough. */ #ifndef _LLOG_SWAB_H_ #define _LLOG_SWAB_H_ #include struct lustre_cfg; void lustre_swab_lu_fid(struct lu_fid *fid); void lustre_swab_ost_id(struct ost_id *oid); void lustre_swab_ll_fid(struct ll_fid *fid); void lustre_swab_llogd_body(struct llogd_body *d); void lustre_swab_llog_hdr(struct llog_log_hdr *h); void lustre_swab_llogd_conn_body(struct llogd_conn_body *d); void lustre_swab_llog_rec(struct llog_rec_hdr *rec); void lustre_swab_llog_id(struct llog_logid *lid); void lustre_swab_lu_seq_range(struct lu_seq_range *range); #ifdef HAVE_SERVER_SUPPORT void lustre_swab_update_ops(struct update_ops *uops, unsigned int op_count); #endif void lustre_swab_lustre_cfg(struct lustre_cfg *lcfg); void lustre_swab_cfg_marker(struct cfg_marker *marker, int swab, int size); #endif