include/sysemu/block-backend-global-state.h

25 BlockBackend *blk_new(AioContext *ctx, uint64_t perm, uint64_t shared_perm);
27 BlockBackend * no_coroutine_fn
31 BlockBackend * coroutine_fn no_co_wrapper
35 BlockBackend * no_coroutine_fn
39 BlockBackend * coroutine_fn no_co_wrapper
43 int blk_get_refcnt(BlockBackend *blk);
44 void blk_ref(BlockBackend *blk);
46 void no_coroutine_fn blk_unref(BlockBackend *blk);
47 void coroutine_fn no_co_wrapper blk_co_unref(BlockBackend *blk);
50 BlockBackend *blk_by_name(const char *name);
51 BlockBackend *blk_next(BlockBackend *blk);
52 BlockBackend *blk_all_next(BlockBackend *blk);
53 bool monitor_add_blk(BlockBackend *blk, const char *name, Error **errp);
54 void monitor_remove_blk(BlockBackend *blk);
56 BlockBackendPublic *blk_get_public(BlockBackend *blk);
57 BlockBackend *blk_by_public(BlockBackendPublic *public);
59 void blk_remove_bs(BlockBackend *blk);
60 int blk_insert_bs(BlockBackend *blk, BlockDriverState *bs, Error **errp);
61 int blk_replace_bs(BlockBackend *blk, BlockDriverState *new_bs, Error **errp);
64 int GRAPH_UNLOCKED blk_set_perm(BlockBackend *blk, uint64_t perm,
66 void blk_get_perm(BlockBackend *blk, uint64_t *perm, uint64_t *shared_perm);
68 void blk_iostatus_enable(BlockBackend *blk);
69 BlockDeviceIoStatus blk_iostatus(const BlockBackend *blk);
70 void blk_iostatus_disable(BlockBackend *blk);
71 void blk_iostatus_reset(BlockBackend *blk);
72 int blk_attach_dev(BlockBackend *blk, DeviceState *dev);
73 void blk_detach_dev(BlockBackend *blk, DeviceState *dev);
74 DeviceState *blk_get_attached_dev(BlockBackend *blk);
75 BlockBackend *blk_by_dev(void *dev);
76 BlockBackend *blk_by_qdev_id(const char *id, Error **errp);
77 void blk_set_dev_ops(BlockBackend *blk, const BlockDevOps *ops, void *opaque);
79 void blk_activate(BlockBackend *blk, Error **errp);
81 int blk_make_zero(BlockBackend *blk, BdrvRequestFlags flags);
84 bool blk_in_drain(BlockBackend *blk);
85 void blk_drain(BlockBackend *blk);
87 void blk_set_on_error(BlockBackend *blk, BlockdevOnError on_read_error,
89 bool blk_supports_write_perm(BlockBackend *blk);
90 bool blk_is_sg(BlockBackend *blk);
91 void blk_set_enable_write_cache(BlockBackend *blk, bool wce);
92 int blk_get_flags(BlockBackend *blk);
93 bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, Error **errp);
94 void blk_op_unblock(BlockBackend *blk, BlockOpType op, Error *reason);
95 void blk_op_block_all(BlockBackend *blk, Error *reason);
96 void blk_op_unblock_all(BlockBackend *blk, Error *reason);
97 int blk_set_aio_context(BlockBackend *blk, AioContext *new_context,
99 void blk_add_aio_context_notifier(BlockBackend *blk,
102 void blk_remove_aio_context_notifier(BlockBackend *blk,
107 void blk_add_remove_bs_notifier(BlockBackend *blk, Notifier *notify);
108 void blk_add_insert_bs_notifier(BlockBackend *blk, Notifier *notify);
109 BlockBackendRootState *blk_get_root_state(BlockBackend *blk);
110 void blk_update_root_state(BlockBackend *blk);
111 bool blk_get_detect_zeroes_from_root_state(BlockBackend *blk);
112 int blk_get_open_flags_from_root_state(BlockBackend *blk);
114 int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf,
116 int blk_load_vmstate(BlockBackend *blk, uint8_t *buf, int64_t pos, int size);
117 int blk_probe_blocksizes(BlockBackend *blk, BlockSizes *bsz);
118 int blk_probe_geometry(BlockBackend *blk, HDGeometry *geo);
120 void blk_set_io_limits(BlockBackend *blk, ThrottleConfig *cfg);
121 void blk_io_limits_disable(BlockBackend *blk);
122 void blk_io_limits_enable(BlockBackend *blk, const char *group);
123 void blk_io_limits_update_group(BlockBackend *blk, const char *group);
124 void blk_set_force_allow_inactivate(BlockBackend *blk);
126 bool blk_register_buf(BlockBackend *blk, void *host, size_t size, Error **errp);
127 void blk_unregister_buf(BlockBackend *blk, void *host, size_t size);
129 const BdrvChild *blk_root(BlockBackend *blk);
131 int blk_make_empty(BlockBackend *blk, Error **errp);