#define QCOW2_OPT_DISCARD_REQUEST "pass-discard-request"
#define QCOW2_OPT_DISCARD_SNAPSHOT "pass-discard-snapshot"
#define QCOW2_OPT_DISCARD_OTHER "pass-discard-other"
+#define QCOW2_OPT_DISCARD_NO_UNREF "discard-no-unref"
#define QCOW2_OPT_OVERLAP "overlap-check"
#define QCOW2_OPT_OVERLAP_TEMPLATE "overlap-check.template"
#define QCOW2_OPT_OVERLAP_MAIN_HEADER "overlap-check.main-header"
bool discard_passthrough[QCOW2_DISCARD_MAX];
+ bool discard_no_unref;
+
int overlap_check; /* bitmask of Qcow2MetadataOverlap values */
bool signaled_corruption;
(QCOW2_OL_CACHED | QCOW2_OL_INACTIVE_L2)
#define L1E_OFFSET_MASK 0x00fffffffffffe00ULL
+#define L1E_RESERVED_MASK 0x7f000000000001ffULL
#define L2E_OFFSET_MASK 0x00fffffffffffe00ULL
+#define L2E_STD_RESERVED_MASK 0x3f000000000001feULL
#define REFT_OFFSET_MASK 0xfffffffffffffe00ULL
+#define REFT_RESERVED_MASK 0x1ffULL
#define INV_OFFSET (-1ULL)
int qcow2_mark_dirty(BlockDriverState *bs);
int qcow2_mark_corrupt(BlockDriverState *bs);
-int qcow2_mark_consistent(BlockDriverState *bs);
int qcow2_update_header(BlockDriverState *bs);
void qcow2_signal_corruption(BlockDriverState *bs, bool fatal, int64_t offset,
int64_t size, const char *message_format, ...)
- GCC_FMT_ATTR(5, 6);
+ G_GNUC_PRINTF(5, 6);
int qcow2_validate_table(BlockDriverState *bs, uint64_t offset,
uint64_t entries, size_t entry_len,
Error **errp);
/* qcow2-refcount.c functions */
-int qcow2_refcount_init(BlockDriverState *bs);
+int coroutine_fn GRAPH_RDLOCK qcow2_refcount_init(BlockDriverState *bs);
void qcow2_refcount_close(BlockDriverState *bs);
int qcow2_get_refcount(BlockDriverState *bs, int64_t cluster_index,
uint64_t new_refblock_offset);
int64_t qcow2_alloc_clusters(BlockDriverState *bs, uint64_t size);
-int64_t qcow2_alloc_clusters_at(BlockDriverState *bs, uint64_t offset,
- int64_t nb_clusters);
-int64_t qcow2_alloc_bytes(BlockDriverState *bs, int size);
+int64_t coroutine_fn qcow2_alloc_clusters_at(BlockDriverState *bs, uint64_t offset,
+ int64_t nb_clusters);
+int64_t coroutine_fn GRAPH_RDLOCK qcow2_alloc_bytes(BlockDriverState *bs, int size);
void qcow2_free_clusters(BlockDriverState *bs,
int64_t offset, int64_t size,
enum qcow2_discard_type type);
int qcow2_update_snapshot_refcount(BlockDriverState *bs,
int64_t l1_table_offset, int l1_size, int addend);
-int coroutine_fn qcow2_flush_caches(BlockDriverState *bs);
-int coroutine_fn qcow2_write_caches(BlockDriverState *bs);
-int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
- BdrvCheckMode fix);
+int qcow2_flush_caches(BlockDriverState *bs);
+int qcow2_write_caches(BlockDriverState *bs);
+int coroutine_fn qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
+ BdrvCheckMode fix);
void qcow2_process_discards(BlockDriverState *bs, int ret);
int64_t size);
int qcow2_pre_write_overlap_check(BlockDriverState *bs, int ign, int64_t offset,
int64_t size, bool data_file);
-int qcow2_inc_refcounts_imrt(BlockDriverState *bs, BdrvCheckResult *res,
- void **refcount_table,
- int64_t *refcount_table_size,
- int64_t offset, int64_t size);
+int coroutine_fn qcow2_inc_refcounts_imrt(BlockDriverState *bs, BdrvCheckResult *res,
+ void **refcount_table,
+ int64_t *refcount_table_size,
+ int64_t offset, int64_t size);
int qcow2_change_refcount_order(BlockDriverState *bs, int refcount_order,
BlockDriverAmendStatusCB *status_cb,
void *cb_opaque, Error **errp);
-int qcow2_shrink_reftable(BlockDriverState *bs);
-int64_t qcow2_get_last_cluster(BlockDriverState *bs, int64_t size);
-int qcow2_detect_metadata_preallocation(BlockDriverState *bs);
+int coroutine_fn GRAPH_RDLOCK qcow2_shrink_reftable(BlockDriverState *bs);
+int64_t coroutine_fn qcow2_get_last_cluster(BlockDriverState *bs, int64_t size);
+
+int coroutine_fn GRAPH_RDLOCK
+qcow2_detect_metadata_preallocation(BlockDriverState *bs);
/* qcow2-cluster.c functions */
int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size,
bool exact_size);
-int qcow2_shrink_l1_table(BlockDriverState *bs, uint64_t max_size);
+
+int coroutine_fn GRAPH_RDLOCK
+qcow2_shrink_l1_table(BlockDriverState *bs, uint64_t max_size);
+
int qcow2_write_l1_entry(BlockDriverState *bs, int l1_index);
int qcow2_encrypt_sectors(BDRVQcow2State *s, int64_t sector_num,
uint8_t *buf, int nb_sectors, bool enc, Error **errp);
int qcow2_get_host_offset(BlockDriverState *bs, uint64_t offset,
unsigned int *bytes, uint64_t *host_offset,
QCow2SubclusterType *subcluster_type);
-int qcow2_alloc_host_offset(BlockDriverState *bs, uint64_t offset,
- unsigned int *bytes, uint64_t *host_offset,
- QCowL2Meta **m);
-int qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
- uint64_t offset,
- int compressed_size,
- uint64_t *host_offset);
+int coroutine_fn qcow2_alloc_host_offset(BlockDriverState *bs, uint64_t offset,
+ unsigned int *bytes,
+ uint64_t *host_offset, QCowL2Meta **m);
+int coroutine_fn GRAPH_RDLOCK
+qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs, uint64_t offset,
+ int compressed_size, uint64_t *host_offset);
void qcow2_parse_compressed_l2_entry(BlockDriverState *bs, uint64_t l2_entry,
uint64_t *coffset, int *csize);
-int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m);
-void qcow2_alloc_cluster_abort(BlockDriverState *bs, QCowL2Meta *m);
+int coroutine_fn GRAPH_RDLOCK
+qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m);
+
+void coroutine_fn qcow2_alloc_cluster_abort(BlockDriverState *bs, QCowL2Meta *m);
int qcow2_cluster_discard(BlockDriverState *bs, uint64_t offset,
uint64_t bytes, enum qcow2_discard_type type,
bool full_discard);
-int qcow2_subcluster_zeroize(BlockDriverState *bs, uint64_t offset,
- uint64_t bytes, int flags);
+
+int coroutine_fn GRAPH_RDLOCK
+qcow2_subcluster_zeroize(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
+ int flags);
int qcow2_expand_zero_clusters(BlockDriverState *bs,
BlockDriverAmendStatusCB *status_cb,
Error **errp);
void qcow2_free_snapshots(BlockDriverState *bs);
-int qcow2_read_snapshots(BlockDriverState *bs, Error **errp);
+int coroutine_fn GRAPH_RDLOCK
+qcow2_read_snapshots(BlockDriverState *bs, Error **errp);
int qcow2_write_snapshots(BlockDriverState *bs);
-int coroutine_fn qcow2_check_read_snapshot_table(BlockDriverState *bs,
- BdrvCheckResult *result,
- BdrvCheckMode fix);
+int coroutine_fn GRAPH_RDLOCK
+qcow2_check_read_snapshot_table(BlockDriverState *bs, BdrvCheckResult *result,
+ BdrvCheckMode fix);
+
int coroutine_fn qcow2_check_fix_snapshot_table(BlockDriverState *bs,
BdrvCheckResult *result,
BdrvCheckMode fix);
void qcow2_cache_discard(Qcow2Cache *c, void *table);
/* qcow2-bitmap.c functions */
-int qcow2_check_bitmaps_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
- void **refcount_table,
- int64_t *refcount_table_size);
-bool qcow2_load_dirty_bitmaps(BlockDriverState *bs, bool *header_updated,
- Error **errp);
+int coroutine_fn
+qcow2_check_bitmaps_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
+ void **refcount_table,
+ int64_t *refcount_table_size);
+bool coroutine_fn GRAPH_RDLOCK
+qcow2_load_dirty_bitmaps(BlockDriverState *bs, bool *header_updated, Error **errp);
bool qcow2_get_bitmap_info_list(BlockDriverState *bs,
Qcow2BitmapInfoList **info_list, Error **errp);
int qcow2_reopen_bitmaps_rw(BlockDriverState *bs, Error **errp);
-int qcow2_truncate_bitmaps_check(BlockDriverState *bs, Error **errp);
+int coroutine_fn qcow2_truncate_bitmaps_check(BlockDriverState *bs, Error **errp);
bool qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs,
bool release_stored, Error **errp);
int qcow2_reopen_bitmaps_ro(BlockDriverState *bs, Error **errp);
-bool qcow2_co_can_store_new_dirty_bitmap(BlockDriverState *bs,
- const char *name,
- uint32_t granularity,
- Error **errp);
-int qcow2_co_remove_persistent_dirty_bitmap(BlockDriverState *bs,
- const char *name,
- Error **errp);
+bool coroutine_fn qcow2_co_can_store_new_dirty_bitmap(BlockDriverState *bs,
+ const char *name,
+ uint32_t granularity,
+ Error **errp);
+int coroutine_fn qcow2_co_remove_persistent_dirty_bitmap(BlockDriverState *bs,
+ const char *name,
+ Error **errp);
bool qcow2_supports_persistent_dirty_bitmap(BlockDriverState *bs);
uint64_t qcow2_get_persistent_dirty_bitmap_size(BlockDriverState *bs,
uint32_t cluster_size);
projects / mirror_qemu.git / blobdiff