diff options
Diffstat (limited to 'include/block/block_int.h')
| -rw-r--r-- | include/block/block_int.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h index 87739405d5..8d3724cce6 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -165,6 +165,13 @@ struct BlockDriver { int64_t offset, int count, BdrvRequestFlags flags); int coroutine_fn (*bdrv_co_pdiscard)(BlockDriverState *bs, int64_t offset, int count); + + /* + * Building block for bdrv_block_status[_above]. The driver should + * answer only according to the current layer, and should not + * set BDRV_BLOCK_ALLOCATED, but may set BDRV_BLOCK_RAW. See block.h + * for the meaning of _DATA, _ZERO, and _OFFSET_VALID. + */ int64_t coroutine_fn (*bdrv_co_get_block_status)(BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *pnum, BlockDriverState **file); @@ -473,6 +480,12 @@ struct BdrvChildRole { void (*drained_begin)(BdrvChild *child); void (*drained_end)(BdrvChild *child); + /* Notifies the parent that the child has been activated/inactivated (e.g. + * when migration is completing) and it can start/stop requesting + * permissions and doing I/O on it. */ + void (*activate)(BdrvChild *child, Error **errp); + int (*inactivate)(BdrvChild *child); + void (*attach)(BdrvChild *child); void (*detach)(BdrvChild *child); }; @@ -518,6 +531,7 @@ struct BlockDriverState { bool valid_key; /* if true, a valid encryption key has been set */ bool sg; /* if true, the device is a /dev/sg* */ bool probed; /* if true, format was probed rather than specified */ + bool force_share; /* if true, always allow all shared permissions */ BlockDriver *drv; /* NULL means no media */ void *opaque; |