diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block-global-state.h | 5 | ||||
| -rw-r--r-- | include/block/block_int-common.h | 5 | ||||
| -rw-r--r-- | include/sysemu/block-backend-global-state.h | 2 |
3 files changed, 9 insertions, 3 deletions
diff --git a/include/block/block-global-state.h b/include/block/block-global-state.h index 7901f35863..eba4ed23b4 100644 --- a/include/block/block-global-state.h +++ b/include/block/block-global-state.h @@ -246,8 +246,11 @@ void bdrv_del_child(BlockDriverState *parent, BdrvChild *child, Error **errp); * * Buffers must not overlap and they must be unregistered with the same <host, * size> values that they were registered with. + * + * Returns: true on success, false on failure */ -void bdrv_register_buf(BlockDriverState *bs, void *host, size_t size); +bool bdrv_register_buf(BlockDriverState *bs, void *host, size_t size, + Error **errp); void bdrv_unregister_buf(BlockDriverState *bs, void *host, size_t size); void bdrv_cancel_in_flight(BlockDriverState *bs); diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h index 19798d0e77..9c569be162 100644 --- a/include/block/block_int-common.h +++ b/include/block/block_int-common.h @@ -433,8 +433,11 @@ struct BlockDriver { * that it can do IOMMU mapping with VFIO etc., in order to get better * performance. In the case of VFIO drivers, this callback is used to do * DMA mapping for hot buffers. + * + * Returns: true on success, false on failure */ - void (*bdrv_register_buf)(BlockDriverState *bs, void *host, size_t size); + bool (*bdrv_register_buf)(BlockDriverState *bs, void *host, size_t size, + Error **errp); void (*bdrv_unregister_buf)(BlockDriverState *bs, void *host, size_t size); /* diff --git a/include/sysemu/block-backend-global-state.h b/include/sysemu/block-backend-global-state.h index 97f7dad2c3..6858e39cb6 100644 --- a/include/sysemu/block-backend-global-state.h +++ b/include/sysemu/block-backend-global-state.h @@ -106,7 +106,7 @@ void blk_io_limits_enable(BlockBackend *blk, const char *group); void blk_io_limits_update_group(BlockBackend *blk, const char *group); void blk_set_force_allow_inactivate(BlockBackend *blk); -void blk_register_buf(BlockBackend *blk, void *host, size_t size); +bool blk_register_buf(BlockBackend *blk, void *host, size_t size, Error **errp); void blk_unregister_buf(BlockBackend *blk, void *host, size_t size); const BdrvChild *blk_root(BlockBackend *blk); |