diff options
Diffstat (limited to 'qemu/include/sysemu/block-backend.h')
| -rw-r--r-- | qemu/include/sysemu/block-backend.h | 45 |
1 files changed, 34 insertions, 11 deletions
diff --git a/qemu/include/sysemu/block-backend.h b/qemu/include/sysemu/block-backend.h index 8fc960fcb..c62b6fe96 100644 --- a/qemu/include/sysemu/block-backend.h +++ b/qemu/include/sysemu/block-backend.h @@ -13,8 +13,7 @@ #ifndef BLOCK_BACKEND_H #define BLOCK_BACKEND_H -#include "qemu/typedefs.h" -#include "qapi/error.h" +#include "qemu/iov.h" /* * TODO Have to include block/block.h for a bunch of block layer @@ -60,22 +59,32 @@ typedef struct BlockDevOps { void (*resize_cb)(void *opaque); } BlockDevOps; -BlockBackend *blk_new(const char *name, Error **errp); -BlockBackend *blk_new_with_bs(const char *name, Error **errp); -BlockBackend *blk_new_open(const char *name, const char *filename, - const char *reference, QDict *options, int flags, - Error **errp); +BlockBackend *blk_new(Error **errp); +BlockBackend *blk_new_with_bs(Error **errp); +BlockBackend *blk_new_open(const char *filename, const char *reference, + QDict *options, int flags, Error **errp); +int blk_get_refcnt(BlockBackend *blk); void blk_ref(BlockBackend *blk); void blk_unref(BlockBackend *blk); +void blk_remove_all_bs(void); const char *blk_name(BlockBackend *blk); BlockBackend *blk_by_name(const char *name); BlockBackend *blk_next(BlockBackend *blk); +BlockDriverState *blk_next_root_bs(BlockDriverState *bs); +bool monitor_add_blk(BlockBackend *blk, const char *name, Error **errp); +void monitor_remove_blk(BlockBackend *blk); BlockDriverState *blk_bs(BlockBackend *blk); +void blk_remove_bs(BlockBackend *blk); +void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs); -void blk_hide_on_behalf_of_hmp_drive_del(BlockBackend *blk); - +void blk_set_allow_write_beyond_eof(BlockBackend *blk, bool allow); void blk_iostatus_enable(BlockBackend *blk); +bool blk_iostatus_is_enabled(const BlockBackend *blk); +BlockDeviceIoStatus blk_iostatus(const BlockBackend *blk); +void blk_iostatus_disable(BlockBackend *blk); +void blk_iostatus_reset(BlockBackend *blk); +void blk_iostatus_set_err(BlockBackend *blk, int error); int blk_attach_dev(BlockBackend *blk, void *dev); void blk_attach_dev_nofail(BlockBackend *blk, void *dev); void blk_detach_dev(BlockBackend *blk, void *dev); @@ -118,8 +127,11 @@ int blk_co_discard(BlockBackend *blk, int64_t sector_num, int nb_sectors); int blk_co_flush(BlockBackend *blk); int blk_flush(BlockBackend *blk); int blk_flush_all(void); +int blk_commit_all(void); void blk_drain(BlockBackend *blk); void blk_drain_all(void); +void blk_set_on_error(BlockBackend *blk, BlockdevOnError on_read_error, + BlockdevOnError on_write_error); BlockdevOnError blk_get_on_error(BlockBackend *blk, bool is_read); BlockErrorAction blk_get_error_action(BlockBackend *blk, bool is_read, int error); @@ -130,12 +142,15 @@ int blk_is_sg(BlockBackend *blk); int blk_enable_write_cache(BlockBackend *blk); void blk_set_enable_write_cache(BlockBackend *blk, bool wce); void blk_invalidate_cache(BlockBackend *blk, Error **errp); -int blk_is_inserted(BlockBackend *blk); +bool blk_is_inserted(BlockBackend *blk); +bool blk_is_available(BlockBackend *blk); void blk_lock_medium(BlockBackend *blk, bool locked); void blk_eject(BlockBackend *blk, bool eject_flag); int blk_get_flags(BlockBackend *blk); int blk_get_max_transfer_length(BlockBackend *blk); +int blk_get_max_iov(BlockBackend *blk); void blk_set_guest_block_size(BlockBackend *blk, int align); +void *blk_try_blockalign(BlockBackend *blk, size_t size); void *blk_blockalign(BlockBackend *blk, size_t size); bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, Error **errp); void blk_op_unblock(BlockBackend *blk, BlockOpType op, Error *reason); @@ -151,10 +166,15 @@ void blk_remove_aio_context_notifier(BlockBackend *blk, void *), void (*detach_aio_context)(void *), void *opaque); -void blk_add_close_notifier(BlockBackend *blk, Notifier *notify); +void blk_add_remove_bs_notifier(BlockBackend *blk, Notifier *notify); +void blk_add_insert_bs_notifier(BlockBackend *blk, Notifier *notify); void blk_io_plug(BlockBackend *blk); void blk_io_unplug(BlockBackend *blk); BlockAcctStats *blk_get_stats(BlockBackend *blk); +BlockBackendRootState *blk_get_root_state(BlockBackend *blk); +void blk_update_root_state(BlockBackend *blk); +void blk_apply_root_state(BlockBackend *blk, BlockDriverState *bs); +int blk_get_open_flags_from_root_state(BlockBackend *blk); void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, BlockCompletionFunc *cb, void *opaque); @@ -169,5 +189,8 @@ int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf, int blk_load_vmstate(BlockBackend *blk, uint8_t *buf, int64_t pos, int size); int blk_probe_blocksizes(BlockBackend *blk, BlockSizes *bsz); int blk_probe_geometry(BlockBackend *blk, HDGeometry *geo); +BlockAIOCB *blk_abort_aio_request(BlockBackend *blk, + BlockCompletionFunc *cb, + void *opaque, int ret); #endif |