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[Qemu-commits] [COMMIT fd4d52d] vmstate: Add pre_load() hook
From: |
Anthony Liguori |
Subject: |
[Qemu-commits] [COMMIT fd4d52d] vmstate: Add pre_load() hook |
Date: |
Fri, 11 Sep 2009 18:31:53 -0000 |
From: Juan Quintela <address@hidden>
Signed-off-by: Juan Quintela <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
diff --git a/hw/hw.h b/hw/hw.h
index c85ce50..8e75a04 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -306,6 +306,7 @@ struct VMStateDescription {
int minimum_version_id;
int minimum_version_id_old;
LoadStateHandler *load_state_old;
+ int (*pre_load)(void *opaque);
int (*post_load)(void *opaque);
VMStateField *fields;
};
diff --git a/savevm.c b/savevm.c
index 38f9946..8ae8d16 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1028,6 +1028,11 @@ int vmstate_load_state(QEMUFile *f, const
VMStateDescription *vmsd,
if (version_id < vmsd->minimum_version_id) {
return vmsd->load_state_old(f, opaque, version_id);
}
+ if (vmsd->pre_load) {
+ int ret = vmsd->pre_load(opaque);
+ if (ret)
+ return ret;
+ }
while(field->name) {
if (field->version_id <= version_id) {
void *base_addr = opaque + field->offset;
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