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/*
* storage_file.c: file utility functions for FS storage backend
*
* Copyright (C) 2007-2009 Red Hat, Inc.
* Copyright (C) 2007-2008 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef __VIR_STORAGE_FILE_H__
# define __VIR_STORAGE_FILE_H__
# include "util.h"
enum virStorageFileFormat {
VIR_STORAGE_FILE_AUTO_SAFE = -2,
VIR_STORAGE_FILE_AUTO = -1,
VIR_STORAGE_FILE_RAW = 0,
VIR_STORAGE_FILE_DIR,
VIR_STORAGE_FILE_BOCHS,
VIR_STORAGE_FILE_CLOOP,
VIR_STORAGE_FILE_COW,
VIR_STORAGE_FILE_DMG,
VIR_STORAGE_FILE_ISO,
VIR_STORAGE_FILE_QCOW,
VIR_STORAGE_FILE_QCOW2,
VIR_STORAGE_FILE_QED,
VIR_STORAGE_FILE_VMDK,
VIR_STORAGE_FILE_VPC,
VIR_STORAGE_FILE_LAST,
};
VIR_ENUM_DECL(virStorageFileFormat);
typedef struct _virStorageFileMetadata {
char *backingStore;
int backingStoreFormat;
bool backingStoreIsFile;
unsigned long long capacity;
bool encrypted;
} virStorageFileMetadata;
# ifndef DEV_BSIZE
# define DEV_BSIZE 512
# endif
int virStorageFileProbeFormat(const char *path);
int virStorageFileProbeFormatFromFD(const char *path,
int fd);
int virStorageFileGetMetadata(const char *path,
int format,
virStorageFileMetadata *meta);
int virStorageFileGetMetadataFromFD(const char *path,
int fd,
int format,
virStorageFileMetadata *meta);
void virStorageFileFreeMetadata(virStorageFileMetadata *meta);
int virStorageFileResize(const char *path, unsigned long long capacity);
enum {
VIR_STORAGE_FILE_SHFS_NFS = (1 << 0),
VIR_STORAGE_FILE_SHFS_GFS2 = (1 << 1),
VIR_STORAGE_FILE_SHFS_OCFS = (1 << 2),
VIR_STORAGE_FILE_SHFS_AFS = (1 << 3),
};
int virStorageFileIsSharedFS(const char *path);
int virStorageFileIsClusterFS(const char *path);
int virStorageFileIsSharedFSType(const char *path,
int fstypes);
const char *virStorageFileGetLVMKey(const char *path);
const char *virStorageFileGetSCSIKey(const char *path);
#endif /* __VIR_STORAGE_FILE_H__ */
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