From: Michael Walle <mich...@walle.cc>
Add VMSTATE macros to describe a HIDState. Based on usb-hid.c descriptions.
Signed-off-by: Michael Walle <mich...@walle.cc>
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
hw/hid.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
hw/hw.h | 20 ++++++++++++++++++++
2 files changed, 78 insertions(+), 0 deletions(-)
diff --git a/hw/hid.c b/hw/hid.c
index 3dc4246..ec066cf 100644
--- a/hw/hid.c
+++ b/hw/hid.c
@@ -407,3 +407,61 @@ void hid_init(HIDState *hs, int kind, HIDEventFunc event)
1, "QEMU HID Tablet");
}
}
+
+static int hid_post_load(void *opaque, int version_id)
+{
+ HIDState *s = opaque;
+
+ if (s->idle) {
+ hid_set_next_idle(s, qemu_get_clock_ns(vm_clock));
+ }
+ return 0;
+}
+
+static const VMStateDescription vmstate_hid_ptr_queue = {
+ .name = "HIDPointerEventQueue",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_INT32(xdx, HIDPointerEvent),
+ VMSTATE_INT32(ydy, HIDPointerEvent),
+ VMSTATE_INT32(dz, HIDPointerEvent),
+ VMSTATE_INT32(buttons_state, HIDPointerEvent),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+const VMStateDescription vmstate_hid_ptr_device = {
+ .name = "HIDPointerDevice",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .post_load = hid_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_STRUCT_ARRAY(ptr.queue, HIDState, QUEUE_LENGTH, 0,
+ vmstate_hid_ptr_queue, HIDPointerEvent),
+ VMSTATE_UINT32(head, HIDState),
+ VMSTATE_UINT32(n, HIDState),
+ VMSTATE_INT32(protocol, HIDState),
+ VMSTATE_UINT8(idle, HIDState),
+ VMSTATE_END_OF_LIST(),
+ }
+};
+
+const VMStateDescription vmstate_hid_keyboard_device = {
+ .name = "HIDKeyboardDevice",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .post_load = hid_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32_ARRAY(kbd.keycodes, HIDState, QUEUE_LENGTH),
+ VMSTATE_UINT32(head, HIDState),
+ VMSTATE_UINT32(n, HIDState),
+ VMSTATE_UINT16(kbd.modifiers, HIDState),
+ VMSTATE_UINT8(kbd.leds, HIDState),
+ VMSTATE_UINT8_ARRAY(kbd.key, HIDState, 16),
+ VMSTATE_INT32(kbd.keys, HIDState),
+ VMSTATE_INT32(protocol, HIDState),
+ VMSTATE_UINT8(idle, HIDState),
+ VMSTATE_END_OF_LIST(),
+ }
+};
diff --git a/hw/hw.h b/hw/hw.h
index df6ca65..a124da9 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -701,6 +701,26 @@ extern const VMStateDescription vmstate_ptimer;
.offset = vmstate_offset_pointer(_state, _field, ptimer_state), \
}
+extern const VMStateDescription vmstate_hid_keyboard_device;
+
+#define VMSTATE_HID_KEYBOARD_DEVICE(_field, _state) { \
+ .name = (stringify(_field)), \
+ .size = sizeof(HIDState), \
+ .vmsd = &vmstate_hid_keyboard_device, \
+ .flags = VMS_STRUCT, \
+ .offset = vmstate_offset_value(_state, _field, HIDState), \
+}
+
+extern const VMStateDescription vmstate_hid_ptr_device;
+
+#define VMSTATE_HID_POINTER_DEVICE(_field, _state) { \
+ .name = (stringify(_field)), \
+ .size = sizeof(HIDState), \
+ .vmsd = &vmstate_hid_ptr_device, \
+ .flags = VMS_STRUCT, \
+ .offset = vmstate_offset_value(_state, _field, HIDState), \
+}
+
/* _f : field name
_f_n : num of elements field_name
_n : num of elements
--
1.7.1
