@@ -3037,3 +3037,15 @@ int bdrv_open_conversion_target(BlockDriverState **bs,
(*bs)->opaque = qemu_malloc(drv->instance_size);
return drv->bdrv_open_conversion_target(*bs, filename, options);
}
+
+int bdrv_get_mapping(BlockDriverState *bs, uint64_t *guest_offset,
+ uint64_t *host_offset, uint64_t *contiguous_bytes)
+{
+ BlockDriver *drv = bs->drv;
+ if (!drv)
+ return -ENOMEDIUM;
+ if (!drv->bdrv_get_mapping)
+ return -ENOTSUP;
+ return drv->bdrv_get_mapping(bs, guest_offset, host_offset,
+ contiguous_bytes);
+}
@@ -252,6 +252,8 @@ int bdrv_in_use(BlockDriverState *bs);
int bdrv_open_conversion_target(BlockDriverState **bs, char *filename,
char *target_fmt, QEMUOptionParameter *options);
+int bdrv_get_mapping(BlockDriverState *bs, uint64_t *guest_offset,
+ uint64_t *host_offset, uint64_t *contiguous_bytes);
typedef enum {
BLKDBG_L1_UPDATE,
Signed-off-by: Devin Nakamura <devin122@gmail.com> --- block.c | 12 ++++++++++++ block.h | 2 ++ 2 files changed, 14 insertions(+), 0 deletions(-)