diff options
Diffstat (limited to 'block/qcow2.h')
| -rw-r--r-- | block/qcow2.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/block/qcow2.h b/block/qcow2.h index 367d9bdbb5..397f21d3b3 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -138,6 +138,13 @@ static inline int size_to_clusters(BDRVQcowState *s, int64_t size) return (size + (s->cluster_size - 1)) >> s->cluster_bits; } +static inline int64_t align_offset(int64_t offset, int n) +{ + offset = (offset + n - 1) & ~(n - 1); + return offset; +} + + // FIXME Need qcow2_ prefix to global functions /* qcow2.c functions */ @@ -184,4 +191,13 @@ uint64_t alloc_compressed_cluster_offset(BlockDriverState *bs, int alloc_cluster_link_l2(BlockDriverState *bs, uint64_t cluster_offset, QCowL2Meta *m); +/* qcow2-snapshot.c functions */ +int qcow_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info); +int qcow_snapshot_goto(BlockDriverState *bs, const char *snapshot_id); +int qcow_snapshot_delete(BlockDriverState *bs, const char *snapshot_id); +int qcow_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab); + +void qcow_free_snapshots(BlockDriverState *bs); +int qcow_read_snapshots(BlockDriverState *bs); + #endif |