virtio_input.h

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#ifndef _LINUX_VIRTIO_INPUT_H
#define _LINUX_VIRTIO_INPUT_H
/* This header is BSD licensed so anyone can use the definitions to implement
 * compatible drivers/servers.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of IBM nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE. */
 
#include <linux/types.h>
 
enum virtio_input_config_select {
    VIRTIO_INPUT_CFG_UNSET      = 0x00,
    VIRTIO_INPUT_CFG_ID_NAME    = 0x01,
    VIRTIO_INPUT_CFG_ID_SERIAL  = 0x02,
    VIRTIO_INPUT_CFG_ID_DEVIDS  = 0x03,
    VIRTIO_INPUT_CFG_PROP_BITS  = 0x10,
    VIRTIO_INPUT_CFG_EV_BITS    = 0x11,
    VIRTIO_INPUT_CFG_ABS_INFO   = 0x12,
};
 
struct virtio_input_absinfo {
    __le32 min;
    __le32 max;
    __le32 fuzz;
    __le32 flat;
    __le32 res;
};
 
struct virtio_input_devids {
    __le16 bustype;
    __le16 vendor;
    __le16 product;
    __le16 version;
};
 
struct virtio_input_config {
    __u8    select;
    __u8    subsel;
    __u8    size;
    __u8    reserved[5];
    union {
        char string[128];
        __u8 bitmap[128];
        struct virtio_input_absinfo abs;
        struct virtio_input_devids ids;
    } u;
};
 
struct virtio_input_event {
    __le16 type;
    __le16 code;
    __le32 value;
};
 
#endif /* _LINUX_VIRTIO_INPUT_H */