#include "qdict.h"
#include "qemu-common.h"
-
-#define MIG_STATE_ERROR -1
-#define MIG_STATE_COMPLETED 0
-#define MIG_STATE_CANCELLED 1
-#define MIG_STATE_ACTIVE 2
+#include "notify.h"
+#include "error.h"
+#include "vmstate.h"
+#include "qapi-types.h"
+
+struct MigrationParams {
+ bool blk;
+ bool shared;
+};
typedef struct MigrationState MigrationState;
struct MigrationState
{
- /* FIXME: add more accessors to print migration info */
- void (*cancel)(MigrationState *s);
- int (*get_status)(MigrationState *s);
- void (*release)(MigrationState *s);
- int blk;
- int shared;
-};
-
-typedef struct FdMigrationState FdMigrationState;
-
-struct FdMigrationState
-{
- MigrationState mig_state;
int64_t bandwidth_limit;
QEMUFile *file;
int fd;
- Monitor *mon;
int state;
- int (*get_error)(struct FdMigrationState*);
- int (*close)(struct FdMigrationState*);
- int (*write)(struct FdMigrationState*, const void *, size_t);
+ 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;
+ bool enabled_capabilities[MIGRATION_CAPABILITY_MAX];
+ int64_t xbzrle_cache_size;
};
-void qemu_start_incoming_migration(const char *uri);
-
-void do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data);
-
-int do_migrate_cancel(Monitor *mon, const QDict *qdict, QObject **ret_data);
+void process_incoming_migration(QEMUFile *f);
-int do_migrate_set_speed(Monitor *mon, const QDict *qdict, QObject **ret_data);
+int qemu_start_incoming_migration(const char *uri, Error **errp);
uint64_t migrate_max_downtime(void);
-int do_migrate_set_downtime(Monitor *mon, const QDict *qdict,
- QObject **ret_data);
-
void do_info_migrate_print(Monitor *mon, const QObject *data);
void do_info_migrate(Monitor *mon, QObject **ret_data);
int exec_start_incoming_migration(const char *host_port);
-MigrationState *exec_start_outgoing_migration(Monitor *mon,
- const char *host_port,
- int64_t bandwidth_limit,
- int detach,
- int blk,
- int inc);
+int exec_start_outgoing_migration(MigrationState *s, const char *host_port);
-int tcp_start_incoming_migration(const char *host_port);
+int tcp_start_incoming_migration(const char *host_port, Error **errp);
-MigrationState *tcp_start_outgoing_migration(Monitor *mon,
- const char *host_port,
- int64_t bandwidth_limit,
- int detach,
- int blk,
- int inc);
+int tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
+ Error **errp);
int unix_start_incoming_migration(const char *path);
-MigrationState *unix_start_outgoing_migration(Monitor *mon,
- const char *path,
- int64_t bandwidth_limit,
- int detach,
- int blk,
- int inc);
+int unix_start_outgoing_migration(MigrationState *s, const char *path);
int fd_start_incoming_migration(const char *path);
-MigrationState *fd_start_outgoing_migration(Monitor *mon,
- const char *fdname,
- int64_t bandwidth_limit,
- int detach,
- int blk,
- int inc);
-
-void migrate_fd_monitor_suspend(FdMigrationState *s, Monitor *mon);
+int fd_start_outgoing_migration(MigrationState *s, const char *fdname);
-void migrate_fd_error(FdMigrationState *s);
+void migrate_fd_error(MigrationState *s);
-void migrate_fd_cleanup(FdMigrationState *s);
+void migrate_fd_connect(MigrationState *s);
-void migrate_fd_put_notify(void *opaque);
+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 *);
-ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size);
+uint64_t ram_bytes_remaining(void);
+uint64_t ram_bytes_transferred(void);
+uint64_t ram_bytes_total(void);
-void migrate_fd_connect(FdMigrationState *s);
+extern SaveVMHandlers savevm_ram_handlers;
-void migrate_fd_put_ready(void *opaque);
+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);
-int migrate_fd_get_status(MigrationState *mig_state);
-
-void migrate_fd_cancel(MigrationState *mig_state);
+/**
+ * @migrate_add_blocker - prevent migration from proceeding
+ *
+ * @reason - an error to be returned whenever migration is attempted
+ */
+void migrate_add_blocker(Error *reason);
-void migrate_fd_release(MigrationState *mig_state);
+/**
+ * @migrate_del_blocker - remove a blocking error from migration
+ *
+ * @reason - the error blocking migration
+ */
+void migrate_del_blocker(Error *reason);
-void migrate_fd_wait_for_unfreeze(void *opaque);
+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_fd_close(void *opaque);
+int migrate_use_xbzrle(void);
+int64_t migrate_xbzrle_cache_size(void);
-static inline FdMigrationState *migrate_to_fms(MigrationState *mig_state)
-{
- return container_of(mig_state, FdMigrationState, mig_state);
-}
+int64_t xbzrle_cache_resize(int64_t new_size);
#endif
projects / qemu.git / blobdiff