diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block-copy.h | 65 | ||||
| -rw-r--r-- | include/crypto/block.h | 22 | ||||
| -rw-r--r-- | include/qemu/job.h | 11 | ||||
| -rw-r--r-- | include/qemu/progress_meter.h | 58 |
4 files changed, 90 insertions, 66 deletions
diff --git a/include/block/block-copy.h b/include/block/block-copy.h index 0a161724d7..aac85e1488 100644 --- a/include/block/block-copy.h +++ b/include/block/block-copy.h @@ -18,79 +18,30 @@ #include "block/block.h" #include "qemu/co-shared-resource.h" -typedef struct BlockCopyInFlightReq { - int64_t start_byte; - int64_t end_byte; - QLIST_ENTRY(BlockCopyInFlightReq) list; - CoQueue wait_queue; /* coroutines blocked on this request */ -} BlockCopyInFlightReq; - typedef void (*ProgressBytesCallbackFunc)(int64_t bytes, void *opaque); -typedef void (*ProgressResetCallbackFunc)(void *opaque); -typedef struct BlockCopyState { - /* - * BdrvChild objects are not owned or managed by block-copy. They are - * provided by block-copy user and user is responsible for appropriate - * permissions on these children. - */ - BdrvChild *source; - BdrvChild *target; - BdrvDirtyBitmap *copy_bitmap; - int64_t cluster_size; - bool use_copy_range; - int64_t copy_size; - uint64_t len; - QLIST_HEAD(, BlockCopyInFlightReq) inflight_reqs; - - BdrvRequestFlags write_flags; - - /* - * skip_unallocated: - * - * Used by sync=top jobs, which first scan the source node for unallocated - * areas and clear them in the copy_bitmap. During this process, the bitmap - * is thus not fully initialized: It may still have bits set for areas that - * are unallocated and should actually not be copied. - * - * This is indicated by skip_unallocated. - * - * In this case, block_copy() will query the source’s allocation status, - * skip unallocated regions, clear them in the copy_bitmap, and invoke - * block_copy_reset_unallocated() every time it does. - */ - bool skip_unallocated; - - /* progress_bytes_callback: called when some copying progress is done. */ - ProgressBytesCallbackFunc progress_bytes_callback; - - /* - * progress_reset_callback: called when some bytes reset from copy_bitmap - * (see @skip_unallocated above). The callee is assumed to recalculate how - * many bytes remain based on the dirty bit count of copy_bitmap. - */ - ProgressResetCallbackFunc progress_reset_callback; - void *progress_opaque; - - SharedResource *mem; -} BlockCopyState; +typedef struct BlockCopyState BlockCopyState; BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target, int64_t cluster_size, BdrvRequestFlags write_flags, Error **errp); -void block_copy_set_callbacks( +void block_copy_set_progress_callback( BlockCopyState *s, ProgressBytesCallbackFunc progress_bytes_callback, - ProgressResetCallbackFunc progress_reset_callback, void *progress_opaque); +void block_copy_set_progress_meter(BlockCopyState *s, ProgressMeter *pm); + void block_copy_state_free(BlockCopyState *s); int64_t block_copy_reset_unallocated(BlockCopyState *s, int64_t offset, int64_t *count); -int coroutine_fn block_copy(BlockCopyState *s, int64_t start, uint64_t bytes, +int coroutine_fn block_copy(BlockCopyState *s, int64_t offset, int64_t bytes, bool *error_is_read); +BdrvDirtyBitmap *block_copy_dirty_bitmap(BlockCopyState *s); +void block_copy_set_skip_unallocated(BlockCopyState *s, bool skip); + #endif /* BLOCK_COPY_H */ diff --git a/include/crypto/block.h b/include/crypto/block.h index d49d2c2da9..c77ccaf9c0 100644 --- a/include/crypto/block.h +++ b/include/crypto/block.h @@ -146,6 +146,26 @@ QCryptoBlock *qcrypto_block_create(QCryptoBlockCreateOptions *options, /** + * qcrypto_block_calculate_payload_offset: + * @create_opts: the encryption options + * @optprefix: name prefix for options + * @len: output for number of header bytes before payload + * @errp: pointer to a NULL-initialized error object + * + * Calculate the number of header bytes before the payload in an encrypted + * storage volume. The header is an area before the payload that is reserved + * for encryption metadata. + * + * Returns: true on success, false on error + */ +bool +qcrypto_block_calculate_payload_offset(QCryptoBlockCreateOptions *create_opts, + const char *optprefix, + size_t *len, + Error **errp); + + +/** * qcrypto_block_get_info: * @block: the block encryption object * @errp: pointer to a NULL-initialized error object @@ -269,5 +289,7 @@ uint64_t qcrypto_block_get_sector_size(QCryptoBlock *block); void qcrypto_block_free(QCryptoBlock *block); G_DEFINE_AUTOPTR_CLEANUP_FUNC(QCryptoBlock, qcrypto_block_free) +G_DEFINE_AUTOPTR_CLEANUP_FUNC(QCryptoBlockCreateOptions, + qapi_free_QCryptoBlockCreateOptions) #endif /* QCRYPTO_BLOCK_H */ diff --git a/include/qemu/job.h b/include/qemu/job.h index bd59cd8944..32aabb1c60 100644 --- a/include/qemu/job.h +++ b/include/qemu/job.h @@ -28,6 +28,7 @@ #include "qapi/qapi-types-job.h" #include "qemu/queue.h" +#include "qemu/progress_meter.h" #include "qemu/coroutine.h" #include "block/aio.h" @@ -117,15 +118,7 @@ typedef struct Job { /** True if this job should automatically dismiss itself */ bool auto_dismiss; - /** - * Current progress. The unit is arbitrary as long as the ratio between - * progress_current and progress_total represents the estimated percentage - * of work already done. - */ - int64_t progress_current; - - /** Estimated progress_current value at the completion of the job */ - int64_t progress_total; + ProgressMeter progress; /** * Return code from @run and/or @prepare callback(s). diff --git a/include/qemu/progress_meter.h b/include/qemu/progress_meter.h new file mode 100644 index 0000000000..9a23ff071c --- /dev/null +++ b/include/qemu/progress_meter.h @@ -0,0 +1,58 @@ +/* + * Helper functionality for some process progress tracking. + * + * Copyright (c) 2011 IBM Corp. + * Copyright (c) 2012, 2018 Red Hat, Inc. + * Copyright (c) 2020 Virtuozzo International GmbH + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef QEMU_PROGRESS_METER_H +#define QEMU_PROGRESS_METER_H + +typedef struct ProgressMeter { + /** + * Current progress. The unit is arbitrary as long as the ratio between + * current and total represents the estimated percentage + * of work already done. + */ + uint64_t current; + + /** Estimated current value at the completion of the process */ + uint64_t total; +} ProgressMeter; + +static inline void progress_work_done(ProgressMeter *pm, uint64_t done) +{ + pm->current += done; +} + +static inline void progress_set_remaining(ProgressMeter *pm, uint64_t remaining) +{ + pm->total = pm->current + remaining; +} + +static inline void progress_increase_remaining(ProgressMeter *pm, + uint64_t delta) +{ + pm->total += delta; +} + +#endif /* QEMU_PROGRESS_METER_H */ |