From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/include/hw/input/hid.h | 84 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 qemu/include/hw/input/hid.h (limited to 'qemu/include/hw/input/hid.h') diff --git a/qemu/include/hw/input/hid.h b/qemu/include/hw/input/hid.h new file mode 100644 index 000000000..2127c7ce4 --- /dev/null +++ b/qemu/include/hw/input/hid.h @@ -0,0 +1,84 @@ +#ifndef QEMU_HID_H +#define QEMU_HID_H + +#include "migration/vmstate.h" +#include "ui/input.h" + +#define HID_MOUSE 1 +#define HID_TABLET 2 +#define HID_KEYBOARD 3 + +typedef struct HIDPointerEvent { + int32_t xdx, ydy; /* relative iff it's a mouse, otherwise absolute */ + int32_t dz, buttons_state; +} HIDPointerEvent; + +#define QUEUE_LENGTH 16 /* should be enough for a triple-click */ +#define QUEUE_MASK (QUEUE_LENGTH-1u) +#define QUEUE_INCR(v) ((v)++, (v) &= QUEUE_MASK) + +typedef struct HIDState HIDState; +typedef void (*HIDEventFunc)(HIDState *s); + +typedef struct HIDMouseState { + HIDPointerEvent queue[QUEUE_LENGTH]; + int mouse_grabbed; +} HIDMouseState; + +typedef struct HIDKeyboardState { + uint32_t keycodes[QUEUE_LENGTH]; + uint16_t modifiers; + uint8_t leds; + uint8_t key[16]; + int32_t keys; +} HIDKeyboardState; + +struct HIDState { + union { + HIDMouseState ptr; + HIDKeyboardState kbd; + }; + uint32_t head; /* index into circular queue */ + uint32_t n; + int kind; + int32_t protocol; + uint8_t idle; + bool idle_pending; + QEMUTimer *idle_timer; + HIDEventFunc event; + QemuInputHandlerState *s; +}; + +void hid_init(HIDState *hs, int kind, HIDEventFunc event); +void hid_reset(HIDState *hs); +void hid_free(HIDState *hs); + +bool hid_has_events(HIDState *hs); +void hid_set_next_idle(HIDState *hs); +void hid_pointer_activate(HIDState *hs); +int hid_pointer_poll(HIDState *hs, uint8_t *buf, int len); +int hid_keyboard_poll(HIDState *hs, uint8_t *buf, int len); +int hid_keyboard_write(HIDState *hs, uint8_t *buf, int len); + +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), \ +} + + +#endif /* QEMU_HID_H */ -- cgit 1.2.3-korg