5 files changed, 21 insertions, 6 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index d678114cb2..2e74760ade 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -365,4 +365,7 @@ static inline bool cpu_can_do_io(CPUState *cpu)
     return cpu->can_do_io != 0;
 }
 
+#if !defined(CONFIG_USER_ONLY)
+void migration_bitmap_extend(ram_addr_t old, ram_addr_t new);
+#endif
 #endif
diff --git a/include/migration/migration.h b/include/migration/migration.h
index 9387c8c9d4..b2711ef305 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -34,6 +34,7 @@
 #define QEMU_VM_SECTION_FULL         0x04
 #define QEMU_VM_SUBSECTION           0x05
 #define QEMU_VM_VMDESCRIPTION        0x06
+#define QEMU_VM_CONFIGURATION        0x07
 #define QEMU_VM_SECTION_FOOTER       0x7e
 
 struct MigrationParams {
@@ -176,10 +177,11 @@ bool migrate_use_compression(void);
 int migrate_compress_level(void);
 int migrate_compress_threads(void);
 int migrate_decompress_threads(void);
+bool migrate_use_events(void);
 
 void ram_control_before_iterate(QEMUFile *f, uint64_t flags);
 void ram_control_after_iterate(QEMUFile *f, uint64_t flags);
-void ram_control_load_hook(QEMUFile *f, uint64_t flags);
+void ram_control_load_hook(QEMUFile *f, uint64_t flags, void *data);
 
 /* Whenever this is found in the data stream, the flags
  * will be passed to ram_control_load_hook in the incoming-migration
@@ -197,4 +199,7 @@ size_t ram_control_save_page(QEMUFile *f, ram_addr_t block_offset,
 
 void ram_mig_init(void);
 void savevm_skip_section_footers(void);
+void register_global_state(void);
+void global_state_set_optional(void);
+void savevm_skip_configuration(void);
 #endif
diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h
index 4f67d79227..ea49f33fac 100644
--- a/include/migration/qemu-file.h
+++ b/include/migration/qemu-file.h
@@ -63,16 +63,20 @@ typedef ssize_t (QEMUFileWritevBufferFunc)(void *opaque, struct iovec *iov,
 /*
  * This function provides hooks around different
  * stages of RAM migration.
+ * 'opaque' is the backend specific data in QEMUFile
+ * 'data' is call specific data associated with the 'flags' value
  */
-typedef int (QEMURamHookFunc)(QEMUFile *f, void *opaque, uint64_t flags);
+typedef int (QEMURamHookFunc)(QEMUFile *f, void *opaque, uint64_t flags,
+                              void *data);
 
 /*
  * Constants used by ram_control_* hooks
  */
-#define RAM_CONTROL_SETUP    0
-#define RAM_CONTROL_ROUND    1
-#define RAM_CONTROL_HOOK     2
-#define RAM_CONTROL_FINISH   3
+#define RAM_CONTROL_SETUP     0
+#define RAM_CONTROL_ROUND     1
+#define RAM_CONTROL_HOOK      2
+#define RAM_CONTROL_FINISH    3
+#define RAM_CONTROL_BLOCK_REG 4
 
 /*
  * This function allows override of where the RAM page
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index 0695d7c3de..f51ff693e9 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -820,6 +820,8 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
 void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
                         void *opaque, QJSON *vmdesc);
 
+bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque);
+
 int vmstate_register_with_alias_id(DeviceState *dev, int instance_id,
                                    const VMStateDescription *vmsd,
                                    void *base, int alias_id,
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index df809518b4..44570d17e6 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -28,6 +28,7 @@ bool runstate_check(RunState state);
 void runstate_set(RunState new_state);
 int runstate_is_running(void);
 bool runstate_needs_reset(void);
+bool runstate_store(char *str, size_t size);
 typedef struct vm_change_state_entry VMChangeStateEntry;
 typedef void VMChangeStateHandler(void *opaque, int running, RunState state);