diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block.h | 11 | ||||
| -rw-r--r-- | include/block/block_int.h | 22 | ||||
| -rw-r--r-- | include/block/dirty-bitmap.h | 22 | ||||
| -rw-r--r-- | include/crypto/block.h | 6 | ||||
| -rw-r--r-- | include/monitor/monitor.h | 7 | ||||
| -rw-r--r-- | include/qapi/error.h | 1 | ||||
| -rw-r--r-- | include/qemu/hbitmap.h | 49 | ||||
| -rw-r--r-- | include/qemu/osdep.h | 2 | ||||
| -rw-r--r-- | include/sysemu/block-backend.h | 3 |
9 files changed, 81 insertions, 42 deletions
diff --git a/include/block/block.h b/include/block/block.h index 4a2725267d..b3e2674845 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -302,10 +302,13 @@ BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs, const char *backing_file); int bdrv_get_backing_file_depth(BlockDriverState *bs); void bdrv_refresh_filename(BlockDriverState *bs); -int bdrv_truncate(BdrvChild *child, int64_t offset, Error **errp); +int bdrv_truncate(BdrvChild *child, int64_t offset, PreallocMode prealloc, + Error **errp); int64_t bdrv_nb_sectors(BlockDriverState *bs); int64_t bdrv_getlength(BlockDriverState *bs); int64_t bdrv_get_allocated_file_size(BlockDriverState *bs); +BlockMeasureInfo *bdrv_measure(BlockDriver *drv, QemuOpts *opts, + BlockDriverState *in_bs, Error **errp); void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr); void bdrv_refresh_limits(BlockDriverState *bs, Error **errp); int bdrv_commit(BlockDriverState *bs); @@ -464,9 +467,6 @@ BlockDriverState *bdrv_next(BdrvNextIterator *it); BlockDriverState *bdrv_next_monitor_owned(BlockDriverState *bs); bool bdrv_is_encrypted(BlockDriverState *bs); -bool bdrv_key_required(BlockDriverState *bs); -int bdrv_set_key(BlockDriverState *bs, const char *key); -void bdrv_add_key(BlockDriverState *bs, const char *key, Error **errp); void bdrv_iterate_format(void (*it)(void *opaque, const char *name), void *opaque); const char *bdrv_get_node_name(const BlockDriverState *bs); @@ -620,4 +620,7 @@ void bdrv_add_child(BlockDriverState *parent, BlockDriverState *child, Error **errp); void bdrv_del_child(BlockDriverState *parent, BdrvChild *child, Error **errp); +bool bdrv_can_store_new_dirty_bitmap(BlockDriverState *bs, const char *name, + uint32_t granularity, Error **errp); + #endif diff --git a/include/block/block_int.h b/include/block/block_int.h index 15fa602150..669a2797fd 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -37,11 +37,11 @@ #include "qemu/main-loop.h" #include "qemu/throttle.h" -#define BLOCK_FLAG_ENCRYPT 1 #define BLOCK_FLAG_LAZY_REFCOUNTS 8 #define BLOCK_OPT_SIZE "size" #define BLOCK_OPT_ENCRYPT "encryption" +#define BLOCK_OPT_ENCRYPT_FORMAT "encrypt.format" #define BLOCK_OPT_COMPAT6 "compat6" #define BLOCK_OPT_HWVERSION "hwversion" #define BLOCK_OPT_BACKING_FILE "backing_file" @@ -204,11 +204,14 @@ struct BlockDriver { int coroutine_fn (*bdrv_co_flush_to_os)(BlockDriverState *bs); const char *protocol_name; - int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset, Error **errp); + int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset, + PreallocMode prealloc, Error **errp); int64_t (*bdrv_getlength)(BlockDriverState *bs); bool has_variable_length; int64_t (*bdrv_get_allocated_file_size)(BlockDriverState *bs); + BlockMeasureInfo *(*bdrv_measure)(QemuOpts *opts, BlockDriverState *in_bs, + Error **errp); int coroutine_fn (*bdrv_co_pwritev_compressed)(BlockDriverState *bs, uint64_t offset, uint64_t bytes, QEMUIOVector *qiov); @@ -381,6 +384,20 @@ struct BlockDriver { uint64_t parent_perm, uint64_t parent_shared, uint64_t *nperm, uint64_t *nshared); + /** + * Bitmaps should be marked as 'IN_USE' in the image on reopening image + * as rw. This handler should realize it. It also should unset readonly + * field of BlockDirtyBitmap's in case of success. + */ + int (*bdrv_reopen_bitmaps_rw)(BlockDriverState *bs, Error **errp); + bool (*bdrv_can_store_new_dirty_bitmap)(BlockDriverState *bs, + const char *name, + uint32_t granularity, + Error **errp); + void (*bdrv_remove_persistent_dirty_bitmap)(BlockDriverState *bs, + const char *name, + Error **errp); + QLIST_ENTRY(BlockDriver) list; }; @@ -529,7 +546,6 @@ struct BlockDriverState { int open_flags; /* flags used to open the file, re-used for re-open */ bool read_only; /* if true, the media is read only */ bool encrypted; /* if true, the media is encrypted */ - 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 */ diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index ad6558af56..a79a58d2c3 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -25,11 +25,15 @@ BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs, void bdrv_dirty_bitmap_make_anon(BdrvDirtyBitmap *bitmap); void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap); void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs); +void bdrv_release_persistent_dirty_bitmaps(BlockDriverState *bs); +void bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, + const char *name, + Error **errp); void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap); void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap); BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs); uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs); -uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap); +uint32_t bdrv_dirty_bitmap_granularity(const BdrvDirtyBitmap *bitmap); uint32_t bdrv_dirty_bitmap_meta_granularity(BdrvDirtyBitmap *bitmap); bool bdrv_dirty_bitmap_enabled(BdrvDirtyBitmap *bitmap); bool bdrv_dirty_bitmap_frozen(BdrvDirtyBitmap *bitmap); @@ -66,8 +70,16 @@ void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap, void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap, uint64_t start, uint64_t count, bool finish); +void bdrv_dirty_bitmap_deserialize_ones(BdrvDirtyBitmap *bitmap, + uint64_t start, uint64_t count, + bool finish); void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap); +void bdrv_dirty_bitmap_set_readonly(BdrvDirtyBitmap *bitmap, bool value); +void bdrv_dirty_bitmap_set_autoload(BdrvDirtyBitmap *bitmap, bool autoload); +void bdrv_dirty_bitmap_set_persistance(BdrvDirtyBitmap *bitmap, + bool persistent); + /* Functions that require manual locking. */ void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap); void bdrv_dirty_bitmap_unlock(BdrvDirtyBitmap *bitmap); @@ -82,5 +94,13 @@ void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t sector_num); int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap); int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap); void bdrv_dirty_bitmap_truncate(BlockDriverState *bs); +bool bdrv_dirty_bitmap_readonly(const BdrvDirtyBitmap *bitmap); +bool bdrv_has_readonly_bitmaps(BlockDriverState *bs); +bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap); +bool bdrv_dirty_bitmap_get_persistance(BdrvDirtyBitmap *bitmap); +bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs); +BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap); +char *bdrv_dirty_bitmap_sha256(const BdrvDirtyBitmap *bitmap, Error **errp); #endif diff --git a/include/crypto/block.h b/include/crypto/block.h index 013a435f1b..f0e543bee1 100644 --- a/include/crypto/block.h +++ b/include/crypto/block.h @@ -71,6 +71,7 @@ typedef enum { /** * qcrypto_block_open: * @options: the encryption options + * @optprefix: name prefix for options * @readfunc: callback for reading data from the volume * @opaque: data to pass to @readfunc * @flags: bitmask of QCryptoBlockOpenFlags values @@ -102,6 +103,7 @@ typedef enum { * Returns: a block encryption format, or NULL on error */ QCryptoBlock *qcrypto_block_open(QCryptoBlockOpenOptions *options, + const char *optprefix, QCryptoBlockReadFunc readfunc, void *opaque, unsigned int flags, @@ -109,7 +111,8 @@ QCryptoBlock *qcrypto_block_open(QCryptoBlockOpenOptions *options, /** * qcrypto_block_create: - * @format: the encryption format + * @options: the encryption options + * @optprefix: name prefix for options * @initfunc: callback for initializing volume header * @writefunc: callback for writing data to the volume header * @opaque: data to pass to @initfunc and @writefunc @@ -133,6 +136,7 @@ QCryptoBlock *qcrypto_block_open(QCryptoBlockOpenOptions *options, * Returns: a block encryption format, or NULL on error */ QCryptoBlock *qcrypto_block_create(QCryptoBlockCreateOptions *options, + const char *optprefix, QCryptoBlockInitFunc initfunc, QCryptoBlockWriteFunc writefunc, void *opaque, diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h index d2b3aafdb4..83ea4a1aaf 100644 --- a/include/monitor/monitor.h +++ b/include/monitor/monitor.h @@ -23,13 +23,6 @@ void monitor_cleanup(void); int monitor_suspend(Monitor *mon); void monitor_resume(Monitor *mon); -int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs, - BlockCompletionFunc *completion_cb, - void *opaque); -int monitor_read_block_device_key(Monitor *mon, const char *device, - BlockCompletionFunc *completion_cb, - void *opaque); - int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp); int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp); diff --git a/include/qapi/error.h b/include/qapi/error.h index 7e532d00e9..5d5e737f75 100644 --- a/include/qapi/error.h +++ b/include/qapi/error.h @@ -125,7 +125,6 @@ typedef enum ErrorClass { ERROR_CLASS_GENERIC_ERROR = QAPI_ERROR_CLASS_GENERICERROR, ERROR_CLASS_COMMAND_NOT_FOUND = QAPI_ERROR_CLASS_COMMANDNOTFOUND, - ERROR_CLASS_DEVICE_ENCRYPTED = QAPI_ERROR_CLASS_DEVICEENCRYPTED, ERROR_CLASS_DEVICE_NOT_ACTIVE = QAPI_ERROR_CLASS_DEVICENOTACTIVE, ERROR_CLASS_DEVICE_NOT_FOUND = QAPI_ERROR_CLASS_DEVICENOTFOUND, ERROR_CLASS_KVM_MISSING_CAP = QAPI_ERROR_CLASS_KVMMISSINGCAP, diff --git a/include/qemu/hbitmap.h b/include/qemu/hbitmap.h index 9239fe515e..d3a74a21fc 100644 --- a/include/qemu/hbitmap.h +++ b/include/qemu/hbitmap.h @@ -229,6 +229,21 @@ void hbitmap_deserialize_zeroes(HBitmap *hb, uint64_t start, uint64_t count, bool finish); /** + * hbitmap_deserialize_ones + * @hb: HBitmap to operate on. + * @start: First bit to restore. + * @count: Number of bits to restore. + * @finish: Whether to call hbitmap_deserialize_finish automatically. + * + * Fills the bitmap with ones. + * + * If @finish is false, caller must call hbitmap_serialize_finish before using + * the bitmap. + */ +void hbitmap_deserialize_ones(HBitmap *hb, uint64_t start, uint64_t count, + bool finish); + +/** * hbitmap_deserialize_finish * @hb: HBitmap to operate on. * @@ -238,6 +253,14 @@ void hbitmap_deserialize_zeroes(HBitmap *hb, uint64_t start, uint64_t count, void hbitmap_deserialize_finish(HBitmap *hb); /** + * hbitmap_sha256: + * @bitmap: HBitmap to operate on. + * + * Returns SHA256 hash of the last level. + */ +char *hbitmap_sha256(const HBitmap *bitmap, Error **errp); + +/** * hbitmap_free: * @hb: HBitmap to operate on. * @@ -256,10 +279,9 @@ void hbitmap_free(HBitmap *hb); * the lowest-numbered bit that is set in @hb, starting at @first. * * Concurrent setting of bits is acceptable, and will at worst cause the - * iteration to miss some of those bits. Resetting bits before the current - * position of the iterator is also okay. However, concurrent resetting of - * bits can lead to unexpected behavior if the iterator has not yet reached - * those bits. + * iteration to miss some of those bits. + * + * The concurrent resetting of bits is OK. */ void hbitmap_iter_init(HBitmapIter *hbi, const HBitmap *hb, uint64_t first); @@ -298,24 +320,7 @@ void hbitmap_free_meta(HBitmap *hb); * Return the next bit that is set in @hbi's associated HBitmap, * or -1 if all remaining bits are zero. */ -static inline int64_t hbitmap_iter_next(HBitmapIter *hbi) -{ - unsigned long cur = hbi->cur[HBITMAP_LEVELS - 1]; - int64_t item; - - if (cur == 0) { - cur = hbitmap_iter_skip_words(hbi); - if (cur == 0) { - return -1; - } - } - - /* The next call will resume work from the next bit. */ - hbi->cur[HBITMAP_LEVELS - 1] = cur & (cur - 1); - item = ((uint64_t)hbi->pos << BITS_PER_LEVEL) + ctzl(cur); - - return item << hbi->granularity; -} +int64_t hbitmap_iter_next(HBitmapIter *hbi); /** * hbitmap_iter_next_word: diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 85596341fa..3b74f6fcb2 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -457,8 +457,6 @@ void qemu_set_tty_echo(int fd, bool echo); void os_mem_prealloc(int fd, char *area, size_t sz, int smp_cpus, Error **errp); -int qemu_read_password(char *buf, int buf_size); - /** * qemu_get_pid_name: * @pid: pid of a process diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 1e05281fff..d9ea0cdb0f 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -223,7 +223,8 @@ int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, int bytes, BdrvRequestFlags flags); int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, const void *buf, int bytes); -int blk_truncate(BlockBackend *blk, int64_t offset, Error **errp); +int blk_truncate(BlockBackend *blk, int64_t offset, PreallocMode prealloc, + Error **errp); int blk_pdiscard(BlockBackend *blk, int64_t offset, int bytes); int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf, int64_t pos, int size); |