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authorJuan Quintela <quintela@redhat.com>2009-09-10 03:04:32 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2009-09-11 11:10:05 -0500
commit8fb0791d30bea0f2ca071ab571e71dfa1cc49085 (patch)
treeb51c8f0a366b01b5e839a63fbc5f66ffdccff2a4
parentfd4d52deab2b1e13c559fd8e4ed4d5eb515f30cb (diff)
vmstate: Add pre/post_save() hooks
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
-rw-r--r--hw/hw.h2
-rw-r--r--savevm.c6
2 files changed, 8 insertions, 0 deletions
diff --git a/hw/hw.h b/hw/hw.h
index 8e75a040a9..d64a0e8221 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -308,6 +308,8 @@ struct VMStateDescription {
LoadStateHandler *load_state_old;
int (*pre_load)(void *opaque);
int (*post_load)(void *opaque);
+ void (*pre_save)(const void *opaque);
+ void (*post_save)(const void *opaque);
VMStateField *fields;
};
diff --git a/savevm.c b/savevm.c
index 8ae8d1627d..c4bee378b9 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1073,6 +1073,9 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
{
VMStateField *field = vmsd->fields;
+ if (vmsd->pre_save) {
+ vmsd->pre_save(opaque);
+ }
while(field->name) {
const void *base_addr = opaque + field->offset;
int i, n_elems = 1;
@@ -1096,6 +1099,9 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
}
field++;
}
+ if (vmsd->post_save) {
+ vmsd->post_save(opaque);
+ }
}
static int vmstate_load(QEMUFile *f, SaveStateEntry *se, int version_id)