migration: Split registration functions from vmstate.h

They are indpendent, and nowadays almost every device register things
with qdev->vmsd.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>

hw/net/vmxnet3.c

@@ -26,6 +26,7 @@
 #include "qemu/bswap.h"
 #include "hw/pci/msix.h"
 #include "hw/pci/msi.h"
+#include "migration/register.h"
 
 #include "vmxnet3.h"
 #include "vmxnet_debug.h"

hw/ppc/spapr.c

@@ -39,6 +39,7 @@
 #include "sysemu/hw_accel.h"
 #include "kvm_ppc.h"
 #include "migration/migration.h"
+#include "migration/register.h"
 #include "mmu-hash64.h"
 #include "mmu-book3s-v3.h"
 #include "qom/cpu.h"

hw/s390x/s390-skeys.c

@@ -15,6 +15,7 @@
 #include "hw/s390x/storage-keys.h"
 #include "qemu/error-report.h"
 #include "sysemu/kvm.h"
+#include "migration/register.h"
 
 #define S390_SKEYS_BUFFER_SIZE 131072  /* Room for 128k storage keys */
 #define S390_SKEYS_SAVE_FLAG_EOS 0x01

hw/s390x/s390-virtio-ccw.c

@@ -28,6 +28,7 @@
 #include "ipl.h"
 #include "hw/s390x/s390-virtio-ccw.h"
 #include "hw/s390x/css-bridge.h"
+#include "migration/register.h"
 
 static const char *const reset_dev_types[] = {
     TYPE_VIRTUAL_CSS_BRIDGE,

include/migration/register.h

@@ -0,0 +1,56 @@
+/*
+ * QEMU migration vmstate registration
+ *
+ * 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_REGISTER_H
+#define MIGRATION_REGISTER_H
+
+typedef void SaveStateHandler(QEMUFile *f, void *opaque);
+typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
+
+typedef struct SaveVMHandlers {
+    /* This runs inside the iothread lock.  */
+    SaveStateHandler *save_state;
+
+    void (*cleanup)(void *opaque);
+    int (*save_live_complete_postcopy)(QEMUFile *f, void *opaque);
+    int (*save_live_complete_precopy)(QEMUFile *f, void *opaque);
+
+    /* This runs both outside and inside the iothread lock.  */
+    bool (*is_active)(void *opaque);
+
+    /* This runs outside the iothread lock in the migration case, and
+     * within the lock in the savevm case.  The callback had better only
+     * use data that is local to the migration thread or protected
+     * by other locks.
+     */
+    int (*save_live_iterate)(QEMUFile *f, void *opaque);
+
+    /* This runs outside the iothread lock!  */
+    int (*save_live_setup)(QEMUFile *f, void *opaque);
+    void (*save_live_pending)(QEMUFile *f, void *opaque,
+                              uint64_t threshold_size,
+                              uint64_t *non_postcopiable_pending,
+                              uint64_t *postcopiable_pending);
+    LoadStateHandler *load_state;
+} SaveVMHandlers;
+
+int register_savevm_live(DeviceState *dev,
+                         const char *idstr,
+                         int instance_id,
+                         int version_id,
+                         SaveVMHandlers *ops,
+                         void *opaque);
+
+void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
+
+#endif

include/migration/vmstate.h

@@ -29,45 +29,7 @@
 
 #include "migration/qjson.h"
 
-typedef void SaveStateHandler(QEMUFile *f, void *opaque);
 typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id);
-
-typedef struct SaveVMHandlers {
-    /* This runs inside the iothread lock.  */
-    SaveStateHandler *save_state;
-
-    void (*cleanup)(void *opaque);
-    int (*save_live_complete_postcopy)(QEMUFile *f, void *opaque);
-    int (*save_live_complete_precopy)(QEMUFile *f, void *opaque);
-
-    /* This runs both outside and inside the iothread lock.  */
-    bool (*is_active)(void *opaque);
-
-    /* This runs outside the iothread lock in the migration case, and
-     * within the lock in the savevm case.  The callback had better only
-     * use data that is local to the migration thread or protected
-     * by other locks.
-     */
-    int (*save_live_iterate)(QEMUFile *f, void *opaque);
-
-    /* This runs outside the iothread lock!  */
-    int (*save_live_setup)(QEMUFile *f, void *opaque);
-    void (*save_live_pending)(QEMUFile *f, void *opaque,
-                              uint64_t threshold_size,
-                              uint64_t *non_postcopiable_pending,
-                              uint64_t *postcopiable_pending);
-    LoadStateHandler *load_state;
-} SaveVMHandlers;
-
-int register_savevm_live(DeviceState *dev,
-                         const char *idstr,
-                         int instance_id,
-                         int version_id,
-                         SaveVMHandlers *ops,
-                         void *opaque);
-
-void unregister_savevm(DeviceState *dev, const char *idstr, void *opaque);
-
 typedef struct VMStateInfo VMStateInfo;
 typedef struct VMStateDescription VMStateDescription;
 typedef struct VMStateField VMStateField;

migration/block.c

@@ -26,6 +26,7 @@
 #include "block.h"
 #include "migration/misc.h"
 #include "migration/migration.h"
+#include "migration/register.h"
 #include "sysemu/blockdev.h"
 #include "qemu-file.h"
 #include "migration/vmstate.h"

migration/ram.c

@@ -38,6 +38,7 @@
 #include "xbzrle.h"
 #include "ram.h"
 #include "migration/migration.h"
+#include "migration/register.h"
 #include "migration/misc.h"
 #include "qemu-file.h"
 #include "migration/vmstate.h"

migration/savevm.c

@@ -37,6 +37,7 @@
 #include "migration/migration.h"
 #include "migration/snapshot.h"
 #include "migration/misc.h"
+#include "migration/register.h"
 #include "ram.h"
 #include "qemu-file-channel.h"
 #include "qemu-file.h"

slirp/slirp.c

@@ -26,6 +26,7 @@
 #include "qemu/timer.h"
 #include "qemu/error-report.h"
 #include "chardev/char-fe.h"
+#include "migration/register.h"
 #include "slirp.h"
 #include "hw/hw.h"
 #include "qemu/cutils.h"