@@ -3019,6 +3019,37 @@ out:
return ret;
}
+int bdrv_open_conversion_target(BlockDriverState **bs, BlockDriverState *file,
+ QEMUOptionParameter *options,
+ const char *target_fmt)
+{
+ BlockDriver *drv;
+ BlockDriverState *bss;
+
+ drv = bdrv_find_format(target_fmt);
+ if (!drv) {
+ return -ENOENT;
+ }
+
+ if (!drv->bdrv_open_conversion_target) {
+ return -ENOTSUP;
+ }
+
+ *bs = bdrv_new("");
+ bss = *bs;
+ bss->file = file;
+ bss->total_sectors = 0;
+ bss->encrypted = 0;
+ bss->valid_key = 0;
+ bss->open_flags = 0;
+ /* buffer_alignment defaulted to 512, drivers can change this value */
+ bss->buffer_alignment = 512;
+ bss->opaque = qemu_mallocz(drv->instance_size);
+ bss->drv = drv;
+ return drv->bdrv_open_conversion_target(bss, options);
+
+}
+
int bdrv_get_conversion_options(BlockDriverState *bs,
QEMUOptionParameter **options)
{
@@ -252,6 +252,9 @@ int bdrv_in_use(BlockDriverState *bs);
int bdrv_get_conversion_options(BlockDriverState *bs,
QEMUOptionParameter **options);
+int bdrv_open_conversion_target(BlockDriverState **bs, BlockDriverState *file,
+ QEMUOptionParameter *options,
+ const char *target_fmt);
typedef enum {
BLKDBG_L1_UPDATE,
Conflicts: block.h Signed-off-by: Devin Nakamura <devin122@gmail.com> --- block.c | 31 +++++++++++++++++++++++++++++++ block.h | 3 +++ 2 files changed, 34 insertions(+), 0 deletions(-)