diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2012-12-17 18:19:50 +0100 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2012-12-19 08:31:32 +0100 |
commit | caf71f86a3de97394bcc5b06549012b7dc65fe60 (patch) | |
tree | bbeacc38d481886a8a65e81ed6e03d78aa885f01 /include/migration/migration.h | |
parent | 83c9089e73b81c69dc1ecdf859fa84d2c500fb5f (diff) |
migration: move include files to include/migration/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/migration/migration.h')
-rw-r--r-- | include/migration/migration.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/include/migration/migration.h b/include/migration/migration.h new file mode 100644 index 0000000000..a95f761e4c --- /dev/null +++ b/include/migration/migration.h @@ -0,0 +1,131 @@ +/* + * QEMU live migration + * + * 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 QEMU_MIGRATION_H +#define QEMU_MIGRATION_H + +#include "qapi/qmp/qdict.h" +#include "qemu-common.h" +#include "notify.h" +#include "qapi/error.h" +#include "migration/vmstate.h" +#include "qapi-types.h" + +struct MigrationParams { + bool blk; + bool shared; +}; + +typedef struct MigrationState MigrationState; + +struct MigrationState +{ + int64_t bandwidth_limit; + QEMUFile *file; + int fd; + int state; + int (*get_error)(MigrationState *s); + int (*close)(MigrationState *s); + int (*write)(MigrationState *s, const void *buff, size_t size); + void *opaque; + MigrationParams params; + int64_t total_time; + int64_t downtime; + int64_t expected_downtime; + int64_t dirty_pages_rate; + bool enabled_capabilities[MIGRATION_CAPABILITY_MAX]; + int64_t xbzrle_cache_size; +}; + +void process_incoming_migration(QEMUFile *f); + +void qemu_start_incoming_migration(const char *uri, Error **errp); + +uint64_t migrate_max_downtime(void); + +void do_info_migrate_print(Monitor *mon, const QObject *data); + +void do_info_migrate(Monitor *mon, QObject **ret_data); + +void exec_start_incoming_migration(const char *host_port, Error **errp); + +void exec_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp); + +void tcp_start_incoming_migration(const char *host_port, Error **errp); + +void tcp_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp); + +void unix_start_incoming_migration(const char *path, Error **errp); + +void unix_start_outgoing_migration(MigrationState *s, const char *path, Error **errp); + +void fd_start_incoming_migration(const char *path, Error **errp); + +void fd_start_outgoing_migration(MigrationState *s, const char *fdname, Error **errp); + +void migrate_fd_error(MigrationState *s); + +void migrate_fd_connect(MigrationState *s); + +ssize_t migrate_fd_put_buffer(MigrationState *s, const void *data, + size_t size); +void migrate_fd_put_ready(MigrationState *s); +int migrate_fd_wait_for_unfreeze(MigrationState *s); +int migrate_fd_close(MigrationState *s); + +void add_migration_state_change_notifier(Notifier *notify); +void remove_migration_state_change_notifier(Notifier *notify); +bool migration_is_active(MigrationState *); +bool migration_has_finished(MigrationState *); +bool migration_has_failed(MigrationState *); +MigrationState *migrate_get_current(void); + +uint64_t ram_bytes_remaining(void); +uint64_t ram_bytes_transferred(void); +uint64_t ram_bytes_total(void); + +extern SaveVMHandlers savevm_ram_handlers; + +uint64_t dup_mig_bytes_transferred(void); +uint64_t dup_mig_pages_transferred(void); +uint64_t norm_mig_bytes_transferred(void); +uint64_t norm_mig_pages_transferred(void); +uint64_t xbzrle_mig_bytes_transferred(void); +uint64_t xbzrle_mig_pages_transferred(void); +uint64_t xbzrle_mig_pages_overflow(void); +uint64_t xbzrle_mig_pages_cache_miss(void); + +/** + * @migrate_add_blocker - prevent migration from proceeding + * + * @reason - an error to be returned whenever migration is attempted + */ +void migrate_add_blocker(Error *reason); + +/** + * @migrate_del_blocker - remove a blocking error from migration + * + * @reason - the error blocking migration + */ +void migrate_del_blocker(Error *reason); + +int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen, + uint8_t *dst, int dlen); +int xbzrle_decode_buffer(uint8_t *src, int slen, uint8_t *dst, int dlen); + +int migrate_use_xbzrle(void); +int64_t migrate_xbzrle_cache_size(void); + +int64_t xbzrle_cache_resize(int64_t new_size); + +#endif |