ide: add save/restore support for mmio

Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/ide-mmio.c

@@ -102,6 +102,25 @@ static CPUWriteMemoryFunc * const mmio_ide_cmd[] = {
     mmio_ide_cmd_write,
 };
 
+static void mmio_ide_save(QEMUFile* f, void *opaque)
+{
+    MMIOState *s = opaque;
+
+    idebus_save(f, s->bus);
+    ide_save(f, &s->bus->ifs[0]);
+    ide_save(f, &s->bus->ifs[1]);
+}
+
+static int mmio_ide_load(QEMUFile* f, void *opaque, int version_id)
+{
+    MMIOState *s = opaque;
+
+    idebus_load(f, s->bus, version_id);
+    ide_load(f, &s->bus->ifs[0], version_id);
+    ide_load(f, &s->bus->ifs[1], version_id);
+    return 0;
+}
+
 void mmio_ide_init (target_phys_addr_t membase, target_phys_addr_t membase2,
                     qemu_irq irq, int shift,
                     BlockDriverState *hd0, BlockDriverState *hd1)
@@ -119,5 +138,6 @@ void mmio_ide_init (target_phys_addr_t membase, target_phys_addr_t membase2,
     mem2 = cpu_register_io_memory(mmio_ide_status, mmio_ide_cmd, s);
     cpu_register_physical_memory(membase, 16 << shift, mem1);
     cpu_register_physical_memory(membase2, 2 << shift, mem2);
+    register_savevm("mmio-ide", 0, 3, mmio_ide_save, mmio_ide_load, s);
 }