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storage file: add getDataFile function to FileTypeInfo

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Signed-off-by: Nikolai Barybin <nikolai.barybin@virtuozzo.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Nikolai Barybin 2024-11-20 18:48:40 +03:00 committed by Peter Krempa
parent b3171cf8da
commit 8799818036
1 changed files with 18 additions and 16 deletions
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34
src/storage_file/storage_file_probe.c
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@ -93,6 +93,7 @@ struct FileTypeInfo {
size_t buf_size);
int (*getBackingStore)(char **res, int *format,
const char *buf, size_t buf_size);
int (*getDataFile)(char **res, virBitmap *features, char *buf, size_t buf_size);
int (*getFeatures)(virBitmap **features, int format,
char *buf, ssize_t len);
};
@ -238,18 +239,18 @@ static struct FileEncryptionInfo const qcow2EncryptionInfo[] = {
static struct FileTypeInfo const fileTypeInfo[] = {
[VIR_STORAGE_FILE_NONE] = { 0, NULL, LV_LITTLE_ENDIAN,
-1, 0, {0}, 0, 0, 0, NULL, NULL, NULL, NULL },
-1, 0, {0}, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
[VIR_STORAGE_FILE_RAW] = { 0, NULL, LV_LITTLE_ENDIAN,
-1, 0, {0}, 0, 0, 0,
luksEncryptionInfo,
NULL, NULL, NULL },
NULL, NULL, NULL, NULL },
[VIR_STORAGE_FILE_DIR] = { 0, NULL, LV_LITTLE_ENDIAN,
-1, 0, {0}, 0, 0, 0, NULL, NULL, NULL, NULL },
-1, 0, {0}, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
[VIR_STORAGE_FILE_BOCHS] = {
/*"Bochs Virtual HD Image", */ /* Untested */
0, NULL,
LV_LITTLE_ENDIAN, 64, 4, {0x20000},
32+16+16+4+4+4+4+4, 8, 1, NULL, NULL, NULL, NULL
32+16+16+4+4+4+4+4, 8, 1, NULL, NULL, NULL, NULL, NULL
},
[VIR_STORAGE_FILE_CLOOP] = {
/* #!/bin/sh
@ -258,7 +259,7 @@ static struct FileTypeInfo const fileTypeInfo[] = {
*/ /* Untested */
0, NULL,
LV_LITTLE_ENDIAN, -1, 0, {0},
-1, 0, 0, NULL, NULL, NULL, NULL
-1, 0, 0, NULL, NULL, NULL, NULL, NULL
},
[VIR_STORAGE_FILE_DMG] = {
/* XXX QEMU says there's no magic for dmg,
@ -266,45 +267,45 @@ static struct FileTypeInfo const fileTypeInfo[] = {
* would have to match) but then disables that check. */
0, NULL,
0, -1, 0, {0},
-1, 0, 0, NULL, NULL, NULL, NULL
-1, 0, 0, NULL, NULL, NULL, NULL, NULL
},
[VIR_STORAGE_FILE_ISO] = {
32769, "CD001",
LV_LITTLE_ENDIAN, -2, 0, {0},
-1, 0, 0, NULL, NULL, NULL, NULL
-1, 0, 0, NULL, NULL, NULL, NULL, NULL
},
[VIR_STORAGE_FILE_VPC] = {
0, "conectix",
LV_BIG_ENDIAN, 12, 4, {0x10000},
8 + 4 + 4 + 8 + 4 + 4 + 2 + 2 + 4, 8, 1, NULL, NULL, NULL, NULL
8 + 4 + 4 + 8 + 4 + 4 + 2 + 2 + 4, 8, 1, NULL, NULL, NULL, NULL, NULL
},
/* TODO: add getBackingStore function */
[VIR_STORAGE_FILE_VDI] = {
64, "\x7f\x10\xda\xbe",
LV_LITTLE_ENDIAN, 68, 4, {0x00010001},
64 + 5 * 4 + 256 + 7 * 4, 8, 1, NULL, NULL, NULL, NULL},
64 + 5 * 4 + 256 + 7 * 4, 8, 1, NULL, NULL, NULL, NULL, NULL},
/* Not direct file formats, but used for various drivers */
[VIR_STORAGE_FILE_FAT] = { 0, NULL, LV_LITTLE_ENDIAN,
-1, 0, {0}, 0, 0, 0, NULL, NULL, NULL, NULL },
-1, 0, {0}, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
[VIR_STORAGE_FILE_VHD] = { 0, NULL, LV_LITTLE_ENDIAN,
-1, 0, {0}, 0, 0, 0, NULL, NULL, NULL, NULL },
-1, 0, {0}, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
[VIR_STORAGE_FILE_PLOOP] = { 0, "WithouFreSpacExt", LV_LITTLE_ENDIAN,
-2, 0, {0}, PLOOP_IMAGE_SIZE_OFFSET, 8,
PLOOP_SIZE_MULTIPLIER, NULL, NULL, NULL, NULL },
PLOOP_SIZE_MULTIPLIER, NULL, NULL, NULL, NULL, NULL },
/* All formats with a backing store probe below here */
[VIR_STORAGE_FILE_COW] = {
0, "OOOM",
LV_BIG_ENDIAN, 4, 4, {2},
4+4+1024+4, 8, 1, NULL, NULL, cowGetBackingStore, NULL
4+4+1024+4, 8, 1, NULL, NULL, cowGetBackingStore, NULL, NULL
},
[VIR_STORAGE_FILE_QCOW] = {
0, "QFI",
LV_BIG_ENDIAN, 4, 4, {1},
QCOWX_HDR_IMAGE_SIZE, 8, 1,
qcow1EncryptionInfo,
NULL, qcowXGetBackingStore, NULL
NULL, qcowXGetBackingStore, NULL, NULL
},
[VIR_STORAGE_FILE_QCOW2] = {
0, "QFI",
@ -313,18 +314,19 @@ static struct FileTypeInfo const fileTypeInfo[] = {
qcow2EncryptionInfo,
qcow2GetClusterSize,
qcowXGetBackingStore,
NULL,
qcow2GetFeatures
},
[VIR_STORAGE_FILE_QED] = {
/* https://wiki.qemu.org/Features/QED */
0, "QED",
LV_LITTLE_ENDIAN, -2, 0, {0},
QED_HDR_IMAGE_SIZE, 8, 1, NULL, NULL, qedGetBackingStore, NULL
QED_HDR_IMAGE_SIZE, 8, 1, NULL, NULL, qedGetBackingStore, NULL, NULL
},
[VIR_STORAGE_FILE_VMDK] = {
0, "KDMV",
LV_LITTLE_ENDIAN, 4, 4, {1, 2, 3},
4+4+4, 8, 512, NULL, NULL, vmdk4GetBackingStore, NULL
4+4+4, 8, 512, NULL, NULL, vmdk4GetBackingStore, NULL, NULL
},
};
G_STATIC_ASSERT(G_N_ELEMENTS(fileTypeInfo) == VIR_STORAGE_FILE_LAST);