Signed-off-by: Devin Nakamura <devin...@gmail.com>
---
block.c | 12 ++++++++++++
block.h | 2 ++
2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index e7699a6..302b0d5 100644
--- a/block.c
+++ b/block.c
@@ -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);
+}
diff --git a/block.h b/block.h
index da87afb..8207389 100644
--- a/block.h
+++ b/block.h
@@ -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,
--
1.7.6.rc1
