diff options
author | Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
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committer | Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
commit | e02cda008591317b1625707ff8e115a4841aa889 (patch) | |
tree | aee302e3cf8b59ec2d32ec481be3d1afddfc8968 /include/migration/misc.h | |
parent | cc668e6b7e0ffd8c9d130513d12053cf5eda1d3b (diff) |
Introduce Virtio-loopback epsilon release:
Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.
Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9
Diffstat (limited to 'include/migration/misc.h')
-rw-r--r-- | include/migration/misc.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/migration/misc.h b/include/migration/misc.h new file mode 100644 index 000000000..465906710 --- /dev/null +++ b/include/migration/misc.h @@ -0,0 +1,78 @@ +/* + * QEMU migration miscellaneus exported functions + * + * Copyright IBM, Corp. 2008 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ + +#ifndef MIGRATION_MISC_H +#define MIGRATION_MISC_H + +#include "qemu/notify.h" +#include "qapi/qapi-types-net.h" + +/* migration/ram.c */ + +typedef enum PrecopyNotifyReason { + PRECOPY_NOTIFY_SETUP = 0, + PRECOPY_NOTIFY_BEFORE_BITMAP_SYNC = 1, + PRECOPY_NOTIFY_AFTER_BITMAP_SYNC = 2, + PRECOPY_NOTIFY_COMPLETE = 3, + PRECOPY_NOTIFY_CLEANUP = 4, + PRECOPY_NOTIFY_MAX = 5, +} PrecopyNotifyReason; + +typedef struct PrecopyNotifyData { + enum PrecopyNotifyReason reason; + Error **errp; +} PrecopyNotifyData; + +void precopy_infrastructure_init(void); +void precopy_add_notifier(NotifierWithReturn *n); +void precopy_remove_notifier(NotifierWithReturn *n); +int precopy_notify(PrecopyNotifyReason reason, Error **errp); + +void ram_mig_init(void); +void qemu_guest_free_page_hint(void *addr, size_t len); + +/* migration/block.c */ + +#ifdef CONFIG_LIVE_BLOCK_MIGRATION +void blk_mig_init(void); +#else +static inline void blk_mig_init(void) {} +#endif + +AnnounceParameters *migrate_announce_params(void); +/* migration/savevm.c */ + +void dump_vmstate_json_to_file(FILE *out_fp); + +/* migration/migration.c */ +void migration_object_init(void); +void migration_shutdown(void); +bool migration_is_idle(void); +bool migration_is_active(MigrationState *); +void add_migration_state_change_notifier(Notifier *notify); +void remove_migration_state_change_notifier(Notifier *notify); +bool migration_in_setup(MigrationState *); +bool migration_has_finished(MigrationState *); +bool migration_has_failed(MigrationState *); +/* ...and after the device transmission */ +bool migration_in_postcopy_after_devices(MigrationState *); +void migration_global_dump(Monitor *mon); +/* True if incomming migration entered POSTCOPY_INCOMING_DISCARD */ +bool migration_in_incoming_postcopy(void); +/* True if background snapshot is active */ +bool migration_in_bg_snapshot(void); + +/* migration/block-dirty-bitmap.c */ +void dirty_bitmap_mig_init(void); + +#endif |