virtio_input.h

/*
 * Copyright (C) 2019, 2022 Kernkonzept GmbH.
 * Author(s): Sarah Hoffmann <sarah.hoffmann@kernkonzept.com>
 *
 * This file is distributed under the terms of the GNU General Public
 * License, version 2.  Please see the COPYING-GPL-2 file for details.
 *
 * As a special exception, you may use this file as part of a free software
 * library without restriction.  Specifically, if other files instantiate
 * templates or use macros or inline functions from this file, or you compile
 * this file and link it with other files to produce an executable, this
 * file does not by itself cause the resulting executable to be covered by
 * the GNU General Public License.  This exception does not however
 * invalidate any other reasons why the executable file might be covered by
 * the GNU General Public License.
 */
#pragma once
 
#include <l4/sys/types.h>
 
enum L4virtio_input_config_select
{
  L4VIRTIO_INPUT_CFG_UNSET = 0,
  L4VIRTIO_INPUT_CFG_ID_NAME = 1,
  L4VIRTIO_INPUT_CFG_ID_SERIAL = 2,
  L4VIRTIO_INPUT_CFG_ID_DEVIDS = 3,
  L4VIRTIO_INPUT_CFG_PROP_BITS = 0x10,
  L4VIRTIO_INPUT_CFG_EV_BITS = 0x11,
  L4VIRTIO_INPUT_CFG_ABS_INFO = 0x12
};
 
typedef struct l4virtio_input_absinfo_t
{
  l4_uint32_t min;
  l4_uint32_t max;
  l4_uint32_t fuzz;
  l4_uint32_t flat;
  l4_uint32_t res;
} l4virtio_absinfo_t;
 
typedef struct l4virtio_input_devids_t
{
  l4_uint16_t bustype;
  l4_uint16_t vendor;
  l4_uint16_t product;
  l4_uint16_t version;
} l4virtio_input_devids_t;
 
typedef struct l4virtio_input_config_t
{
  l4_uint8_t    select;
  l4_uint8_t    subsel;
  l4_uint8_t    size;
  l4_uint8_t    reserved[5];
  union
  {
    char string[128];
    l4_uint8_t bitmap[128];
    struct l4virtio_input_absinfo_t abs;
    struct l4virtio_input_devids_t ids;
  } u;
} l4virtio_input_config_t;
 
typedef struct l4virtio_input_event_t
{
  l4_uint16_t type;
  l4_uint16_t code;
  l4_uint32_t value;
} l4virtio_input_event_t;