qemu/include/hw/virtio/virtio-input.h
Ladi Prosek b065e275a8 virtio-input: support absolute axis config in pass-through
VIRTIO_INPUT_CFG_ABS_INFO was not implemented for pass-through input
devices. This patch follows the existing design and pre-fetches the
config for all absolute axes using EVIOCGABS at realize time.

Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Message-id: 1460558603-18331-1-git-send-email-lprosek@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-04-13 17:26:12 +02:00

109 lines
4.0 KiB
C

#ifndef _QEMU_VIRTIO_INPUT_H
#define _QEMU_VIRTIO_INPUT_H
#include "ui/input.h"
/* ----------------------------------------------------------------- */
/* virtio input protocol */
#include "standard-headers/linux/virtio_ids.h"
#include "standard-headers/linux/virtio_input.h"
typedef struct virtio_input_absinfo virtio_input_absinfo;
typedef struct virtio_input_config virtio_input_config;
typedef struct virtio_input_event virtio_input_event;
/* ----------------------------------------------------------------- */
/* qemu internals */
#define TYPE_VIRTIO_INPUT "virtio-input-device"
#define VIRTIO_INPUT(obj) \
OBJECT_CHECK(VirtIOInput, (obj), TYPE_VIRTIO_INPUT)
#define VIRTIO_INPUT_GET_PARENT_CLASS(obj) \
OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_INPUT)
#define VIRTIO_INPUT_GET_CLASS(obj) \
OBJECT_GET_CLASS(VirtIOInputClass, obj, TYPE_VIRTIO_INPUT)
#define VIRTIO_INPUT_CLASS(klass) \
OBJECT_CLASS_CHECK(VirtIOInputClass, klass, TYPE_VIRTIO_INPUT)
#define TYPE_VIRTIO_INPUT_HID "virtio-input-hid-device"
#define TYPE_VIRTIO_KEYBOARD "virtio-keyboard-device"
#define TYPE_VIRTIO_MOUSE "virtio-mouse-device"
#define TYPE_VIRTIO_TABLET "virtio-tablet-device"
#define VIRTIO_INPUT_HID(obj) \
OBJECT_CHECK(VirtIOInputHID, (obj), TYPE_VIRTIO_INPUT_HID)
#define VIRTIO_INPUT_HID_GET_PARENT_CLASS(obj) \
OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_INPUT_HID)
#define TYPE_VIRTIO_INPUT_HOST "virtio-input-host-device"
#define VIRTIO_INPUT_HOST(obj) \
OBJECT_CHECK(VirtIOInputHost, (obj), TYPE_VIRTIO_INPUT_HOST)
#define VIRTIO_INPUT_HOST_GET_PARENT_CLASS(obj) \
OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_INPUT_HOST)
typedef struct VirtIOInput VirtIOInput;
typedef struct VirtIOInputClass VirtIOInputClass;
typedef struct VirtIOInputConfig VirtIOInputConfig;
typedef struct VirtIOInputHID VirtIOInputHID;
typedef struct VirtIOInputHost VirtIOInputHost;
struct VirtIOInputConfig {
virtio_input_config config;
QTAILQ_ENTRY(VirtIOInputConfig) node;
};
struct VirtIOInput {
VirtIODevice parent_obj;
uint8_t cfg_select;
uint8_t cfg_subsel;
uint32_t cfg_size;
QTAILQ_HEAD(, VirtIOInputConfig) cfg_list;
VirtQueue *evt, *sts;
char *serial;
virtio_input_event *queue;
uint32_t qindex, qsize;
bool active;
};
struct VirtIOInputClass {
/*< private >*/
VirtioDeviceClass parent;
/*< public >*/
DeviceRealize realize;
DeviceUnrealize unrealize;
void (*change_active)(VirtIOInput *vinput);
void (*handle_status)(VirtIOInput *vinput, virtio_input_event *event);
};
struct VirtIOInputHID {
VirtIOInput parent_obj;
char *display;
uint32_t head;
QemuInputHandler *handler;
QemuInputHandlerState *hs;
int ledstate;
};
struct VirtIOInputHost {
VirtIOInput parent_obj;
char *evdev;
int fd;
};
void virtio_input_send(VirtIOInput *vinput, virtio_input_event *event);
void virtio_input_init_config(VirtIOInput *vinput,
virtio_input_config *config);
virtio_input_config *virtio_input_find_config(VirtIOInput *vinput,
uint8_t select,
uint8_t subsel);
void virtio_input_add_config(VirtIOInput *vinput,
virtio_input_config *config);
void virtio_input_idstr_config(VirtIOInput *vinput,
uint8_t select, const char *string);
#endif /* _QEMU_VIRTIO_INPUT_H */