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QED: Basic support for QED images

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Add an entry in fileTypeInfo for QED image files.

Signed-off-by: Adam Litke <agl@us.ibm.com>
Cc: Stefan Hajnoczi <stefan.hajnoczi@uk.ibm.com>
Cc: Anthony Liguori <aliguori@linux.vnet.ibm.com>
This commit is contained in:
Adam Litke 2010-11-19 10:18:16 -06:00 committed by Eric Blake
parent 5a2a474ee8
commit 5dca07e272
2 changed files with 10 additions and 1 deletions
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10
src/util/storage_file.c
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@ -44,7 +44,7 @@ VIR_ENUM_IMPL(virStorageFileFormat,
VIR_STORAGE_FILE_LAST,
"raw", "dir", "bochs",
"cloop", "cow", "dmg", "iso",
"qcow", "qcow2", "vmdk", "vpc")
"qcow", "qcow2", "qed", "vmdk", "vpc")
enum lv_endian {
LV_LITTLE_ENDIAN = 1, /* 1234 */
@ -105,6 +105,8 @@ static int vmdk4GetBackingStore(char **, int *,
#define QCOW2_HDR_EXTENSION_END 0
#define QCOW2_HDR_EXTENSION_BACKING_FORMAT 0xE2792ACA
#define QED_HDR_IMAGE_SIZE (4+4+4+4+8+8+8)
/* VMDK needs at least this to find backing store,
* other formats need less */
#define STORAGE_MAX_HEAD (20*512)
@ -152,6 +154,12 @@ static struct FileTypeInfo const fileTypeInfo[] = {
LV_BIG_ENDIAN, 4, 2,
QCOWX_HDR_IMAGE_SIZE, 8, 1, QCOW2_HDR_CRYPT, qcow2GetBackingStore,
},
[VIR_STORAGE_FILE_QED] = {
/* http://wiki.qemu.org/Features/QED */
"QED\0", NULL,
LV_LITTLE_ENDIAN, -1, -1,
QED_HDR_IMAGE_SIZE, 8, 1, -1, NULL,
},
[VIR_STORAGE_FILE_VMDK] = {
"KDMV", NULL,
LV_LITTLE_ENDIAN, 4, 1,

1
src/util/storage_file.h
View File

@ -38,6 +38,7 @@ enum virStorageFileFormat {
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,