*/
#include "qemu-common.h"
-#include "block_int.h"
-#include "module.h"
-#include "migration.h"
+#include "block/block_int.h"
+#include "qemu/module.h"
+#include "migration/migration.h"
#if defined(CONFIG_UUID)
#include <uuid/uuid.h>
#else
/* TODO: move uuid emulation to some central place in QEMU. */
-#include "sysemu.h" /* UUID_FMT */
+#include "sysemu/sysemu.h" /* UUID_FMT */
typedef unsigned char uuid_t[16];
-void uuid_generate(uuid_t out);
-int uuid_is_null(const uuid_t uu);
-void uuid_unparse(const uuid_t uu, char *out);
#endif
/* Code configuration options. */
#define VDI_IS_ALLOCATED(X) ((X) < VDI_DISCARDED)
#if !defined(CONFIG_UUID)
-void uuid_generate(uuid_t out)
+static inline void uuid_generate(uuid_t out)
{
memset(out, 0, sizeof(uuid_t));
}
-int uuid_is_null(const uuid_t uu)
+static inline int uuid_is_null(const uuid_t uu)
{
uuid_t null_uuid = { 0 };
return memcmp(uu, null_uuid, sizeof(uuid_t)) == 0;
}
-void uuid_unparse(const uuid_t uu, char *out)
+static inline void uuid_unparse(const uuid_t uu, char *out)
{
snprintf(out, 37, UUID_FMT,
uu[0], uu[1], uu[2], uu[3], uu[4], uu[5], uu[6], uu[7],
{
char uuid[37];
logout("text %s", header->text);
- logout("signature 0x%04x\n", header->signature);
+ logout("signature 0x%08x\n", header->signature);
logout("header size 0x%04x\n", header->header_size);
logout("image type 0x%04x\n", header->image_type);
logout("image flags 0x%04x\n", header->image_flags);
}
#endif
-static int vdi_check(BlockDriverState *bs, BdrvCheckResult *res)
+static int vdi_check(BlockDriverState *bs, BdrvCheckResult *res,
+ BdrvCheckMode fix)
{
/* TODO: additional checks possible. */
BDRVVdiState *s = (BDRVVdiState *)bs->opaque;
uint32_t *bmap;
logout("\n");
+ if (fix) {
+ return -ENOTSUP;
+ }
+
bmap = g_malloc(s->header.blocks_in_image * sizeof(uint32_t));
memset(bmap, 0xff, s->header.blocks_in_image * sizeof(uint32_t));
return result;
}
-static int vdi_open(BlockDriverState *bs, int flags)
+static int vdi_open(BlockDriverState *bs, QDict *options, int flags)
{
BDRVVdiState *s = bs->opaque;
VdiHeader header;
size_t bmap_size;
+ int ret;
logout("\n");
- if (bdrv_read(bs->file, 0, (uint8_t *)&header, 1) < 0) {
+ ret = bdrv_read(bs->file, 0, (uint8_t *)&header, 1);
+ if (ret < 0) {
goto fail;
}
header.disk_size &= ~(SECTOR_SIZE - 1);
}
- if (header.version != VDI_VERSION_1_1) {
+ if (header.signature != VDI_SIGNATURE) {
+ logout("bad vdi signature %08x\n", header.signature);
+ ret = -EMEDIUMTYPE;
+ goto fail;
+ } else if (header.version != VDI_VERSION_1_1) {
logout("unsupported version %u.%u\n",
header.version >> 16, header.version & 0xffff);
+ ret = -ENOTSUP;
goto fail;
} else if (header.offset_bmap % SECTOR_SIZE != 0) {
/* We only support block maps which start on a sector boundary. */
logout("unsupported block map offset 0x%x B\n", header.offset_bmap);
+ ret = -ENOTSUP;
goto fail;
} else if (header.offset_data % SECTOR_SIZE != 0) {
/* We only support data blocks which start on a sector boundary. */
logout("unsupported data offset 0x%x B\n", header.offset_data);
+ ret = -ENOTSUP;
goto fail;
} else if (header.sector_size != SECTOR_SIZE) {
logout("unsupported sector size %u B\n", header.sector_size);
+ ret = -ENOTSUP;
goto fail;
} else if (header.block_size != 1 * MiB) {
logout("unsupported block size %u B\n", header.block_size);
+ ret = -ENOTSUP;
goto fail;
} else if (header.disk_size >
(uint64_t)header.blocks_in_image * header.block_size) {
logout("unsupported disk size %" PRIu64 " B\n", header.disk_size);
+ ret = -ENOTSUP;
goto fail;
} else if (!uuid_is_null(header.uuid_link)) {
logout("link uuid != 0, unsupported\n");
+ ret = -ENOTSUP;
goto fail;
} else if (!uuid_is_null(header.uuid_parent)) {
logout("parent uuid != 0, unsupported\n");
+ ret = -ENOTSUP;
goto fail;
}
bmap_size = header.blocks_in_image * sizeof(uint32_t);
bmap_size = (bmap_size + SECTOR_SIZE - 1) / SECTOR_SIZE;
- if (bmap_size > 0) {
- s->bmap = g_malloc(bmap_size * SECTOR_SIZE);
- }
- if (bdrv_read(bs->file, s->bmap_sector, (uint8_t *)s->bmap, bmap_size) < 0) {
+ s->bmap = g_malloc(bmap_size * SECTOR_SIZE);
+ ret = bdrv_read(bs->file, s->bmap_sector, (uint8_t *)s->bmap, bmap_size);
+ if (ret < 0) {
goto fail_free_bmap;
}
g_free(s->bmap);
fail:
- return -1;
+ return ret;
+}
+
+static int vdi_reopen_prepare(BDRVReopenState *state,
+ BlockReopenQueue *queue, Error **errp)
+{
+ return 0;
}
static int coroutine_fn vdi_co_is_allocated(BlockDriverState *bs,
VdiHeader header;
size_t i;
size_t bmap_size;
- uint32_t *bmap;
logout("\n");
options++;
}
- fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY | O_LARGEFILE,
- 0644);
+ fd = qemu_open(filename,
+ O_WRONLY | O_CREAT | O_TRUNC | O_BINARY | O_LARGEFILE,
+ 0644);
if (fd < 0) {
return -errno;
}
result = -errno;
}
- bmap = NULL;
if (bmap_size > 0) {
- bmap = (uint32_t *)g_malloc0(bmap_size);
- }
- for (i = 0; i < blocks; i++) {
- if (image_type == VDI_TYPE_STATIC) {
- bmap[i] = i;
- } else {
- bmap[i] = VDI_UNALLOCATED;
+ uint32_t *bmap = g_malloc0(bmap_size);
+ for (i = 0; i < blocks; i++) {
+ if (image_type == VDI_TYPE_STATIC) {
+ bmap[i] = i;
+ } else {
+ bmap[i] = VDI_UNALLOCATED;
+ }
}
+ if (write(fd, bmap, bmap_size) < 0) {
+ result = -errno;
+ }
+ g_free(bmap);
}
- if (write(fd, bmap, bmap_size) < 0) {
- result = -errno;
- }
- g_free(bmap);
+
if (image_type == VDI_TYPE_STATIC) {
if (ftruncate(fd, sizeof(header) + bmap_size + blocks * block_size)) {
result = -errno;
.bdrv_probe = vdi_probe,
.bdrv_open = vdi_open,
.bdrv_close = vdi_close,
+ .bdrv_reopen_prepare = vdi_reopen_prepare,
.bdrv_create = vdi_create,
.bdrv_co_is_allocated = vdi_co_is_allocated,
.bdrv_make_empty = vdi_make_empty,
projects / qemu.git / blobdiff