[Qemu-devel] [PATCH v2 04/12] parallel: adding vmstate for save/restore

[Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>]

VMState added by this patch preserves correct
loading of the parallel port controller state.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
---
 hw/char/parallel.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/hw/char/parallel.c b/hw/char/parallel.c
index 7ac90a5..06e0603 100644
--- a/hw/char/parallel.c
+++ b/hw/char/parallel.c
@@ -477,6 +477,24 @@ static const MemoryRegionPortio isa_parallel_portio_sw_list[] = {
     PORTIO_END_OF_LIST(),
 };
 
+
+static const VMStateDescription vmstate_parallel_isa = {
+    .name = "parallel_isa",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField[]) {
+        VMSTATE_UINT8(state.dataw, ISAParallelState),
+        VMSTATE_UINT8(state.datar, ISAParallelState),
+        VMSTATE_UINT8(state.status, ISAParallelState),
+        VMSTATE_UINT8(state.control, ISAParallelState),
+        VMSTATE_INT32(state.irq_pending, ISAParallelState),
+        VMSTATE_INT32(state.epp_timeout, ISAParallelState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+
 static void parallel_isa_realizefn(DeviceState *dev, Error **errp)
 {
     static int index;
@@ -606,6 +624,7 @@ static void parallel_isa_class_initfn(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
 
     dc->realize = parallel_isa_realizefn;
+    dc->vmsd = &vmstate_parallel_isa;
     dc->props = parallel_isa_properties;
     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
 }