pc-dimm: move actual plug/unplug of a memory region to MemoryDevice
Registering the memory region for migration has do be done by the owner.
There could be cases, where we don't want to migrate the memory.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-8-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c
index 8535ddc..3e04f39 100644
--- a/hw/mem/memory-device.c
+++ b/hw/mem/memory-device.c
@@ -243,6 +243,24 @@
return size;
}
+void memory_device_plug_region(MachineState *ms, MemoryRegion *mr,
+ uint64_t addr)
+{
+ /* we expect a previous call to memory_device_get_free_addr() */
+ g_assert(ms->device_memory);
+
+ memory_region_add_subregion(&ms->device_memory->mr,
+ addr - ms->device_memory->base, mr);
+}
+
+void memory_device_unplug_region(MachineState *ms, MemoryRegion *mr)
+{
+ /* we expect a previous call to memory_device_get_free_addr() */
+ g_assert(ms->device_memory);
+
+ memory_region_del_subregion(&ms->device_memory->mr, mr);
+}
+
static const TypeInfo memory_device_info = {
.name = TYPE_MEMORY_DEVICE,
.parent = TYPE_INTERFACE,
