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e5261d8fe3
We have been checking whether qemu-img supports the -o compat option by scraping the -help output. Since we require QEMU 1.5.0 now and this option was introduced in 1.1, assume we support it and ditch the help parsing code along with the extra qemu-img invocation. Signed-off-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
172 lines
7.2 KiB
C
172 lines
7.2 KiB
C
/*
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* storage_util.h: utility functions for storage driver
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef __VIR_STORAGE_UTIL_H__
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# define __VIR_STORAGE_UTIL_H__
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# include <sys/stat.h>
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# include "internal.h"
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# include "vircommand.h"
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# include "storage_driver.h"
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# include "storage_backend.h"
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/* File creation/cloning functions used for cloning between backends */
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int
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virStorageBackendCreateVolUsingQemuImg(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol,
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virStorageVolDefPtr inputvol,
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unsigned int flags);
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virStorageBackendBuildVolFrom
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virStorageBackendGetBuildVolFromFunction(virStorageVolDefPtr vol,
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virStorageVolDefPtr inputvol);
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int virStorageBackendVolCreateLocal(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol);
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int virStorageBackendVolBuildLocal(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol,
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unsigned int flags);
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int virStorageBackendVolBuildFromLocal(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol,
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virStorageVolDefPtr inputvol,
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unsigned int flags);
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int virStorageBackendVolDeleteLocal(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol,
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unsigned int flags);
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int virStorageBackendVolRefreshLocal(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol);
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int virStorageBackendVolResizeLocal(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol,
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unsigned long long capacity,
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unsigned int flags);
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int virStorageBackendVolUploadLocal(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol,
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virStreamPtr stream,
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unsigned long long offset,
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unsigned long long len,
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unsigned int flags);
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int virStorageBackendVolDownloadLocal(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol,
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virStreamPtr stream,
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unsigned long long offset,
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unsigned long long len,
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unsigned int flags);
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int virStorageBackendVolWipeLocal(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol,
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unsigned int algorithm,
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unsigned int flags);
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/* Local/Common Storage Pool Backend APIs */
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int virStorageBackendBuildLocal(virStoragePoolObjPtr pool);
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int virStorageBackendDeleteLocal(virStoragePoolObjPtr pool,
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unsigned int flags);
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int
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virStorageBackendRefreshVolTargetUpdate(virStorageVolDefPtr vol);
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int virStorageBackendRefreshLocal(virStoragePoolObjPtr pool);
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int virStorageUtilGlusterExtractPoolSources(const char *host,
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const char *xml,
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virStoragePoolSourceListPtr list,
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virStoragePoolType pooltype);
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int virStorageBackendFindGlusterPoolSources(const char *host,
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virStoragePoolType pooltype,
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virStoragePoolSourceListPtr list,
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bool report);
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bool virStorageBackendDeviceIsEmpty(const char *devpath,
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const char *format,
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bool writelabel);
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/* VolOpenCheckMode flags */
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enum {
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VIR_STORAGE_VOL_OPEN_NOERROR = 1 << 0, /* don't error if unexpected type
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* encountered, just warn */
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VIR_STORAGE_VOL_OPEN_REG = 1 << 1, /* regular files okay */
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VIR_STORAGE_VOL_OPEN_BLOCK = 1 << 2, /* block files okay */
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VIR_STORAGE_VOL_OPEN_CHAR = 1 << 3, /* char files okay */
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VIR_STORAGE_VOL_OPEN_DIR = 1 << 4, /* directories okay */
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};
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/* VolReadErrorMode flags
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* If flag is present, then operation won't cause fatal error for
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* specified operation, rather a VIR_WARN will be issued and a -2 returned
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* for function call
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*/
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enum {
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VIR_STORAGE_VOL_READ_NOERROR = 1 << 0, /* ignore *read errors */
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};
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# define VIR_STORAGE_VOL_OPEN_DEFAULT (VIR_STORAGE_VOL_OPEN_REG |\
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VIR_STORAGE_VOL_OPEN_BLOCK)
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# define VIR_STORAGE_VOL_FS_OPEN_FLAGS (VIR_STORAGE_VOL_OPEN_DEFAULT | \
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VIR_STORAGE_VOL_OPEN_DIR)
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# define VIR_STORAGE_VOL_FS_PROBE_FLAGS (VIR_STORAGE_VOL_FS_OPEN_FLAGS | \
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VIR_STORAGE_VOL_OPEN_NOERROR)
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int virStorageBackendVolOpen(const char *path, struct stat *sb,
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unsigned int flags)
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ATTRIBUTE_RETURN_CHECK
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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# define VIR_STORAGE_DEFAULT_POOL_PERM_MODE 0711
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# define VIR_STORAGE_DEFAULT_VOL_PERM_MODE 0600
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int virStorageBackendUpdateVolInfo(virStorageVolDefPtr vol,
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bool withBlockVolFormat,
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unsigned int openflags,
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unsigned int readflags);
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int virStorageBackendUpdateVolTargetInfoFD(virStorageSourcePtr target,
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int fd,
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struct stat *sb);
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bool virStorageBackendPoolPathIsStable(const char *path);
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char *virStorageBackendStablePath(virStoragePoolObjPtr pool,
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const char *devpath,
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bool loop);
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virCommandPtr
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virStorageBackendCreateQemuImgCmdFromVol(virStoragePoolObjPtr pool,
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virStorageVolDefPtr vol,
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virStorageVolDefPtr inputvol,
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unsigned int flags,
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const char *create_tool,
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const char *secretPath);
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int virStorageBackendSCSIFindLUs(virStoragePoolObjPtr pool,
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uint32_t scanhost);
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int
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virStorageBackendZeroPartitionTable(const char *path,
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unsigned long long size);
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#endif /* __VIR_STORAGE_UTIL_H__ */
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