aboutsummaryrefslogtreecommitdiff
path: root/include/migration/migration.h
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2012-12-17 18:19:50 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2012-12-19 08:31:32 +0100
commitcaf71f86a3de97394bcc5b06549012b7dc65fe60 (patch)
treebbeacc38d481886a8a65e81ed6e03d78aa885f01 /include/migration/migration.h
parent83c9089e73b81c69dc1ecdf859fa84d2c500fb5f (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.h131
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