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kernel/linux-rt-4.4.41/include/uapi/linux/virtio_input.h 2.45 KB
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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 {
  	__u32 min;
  	__u32 max;
  	__u32 fuzz;
  	__u32 flat;
  	__u32 res;
  };
  
  struct virtio_input_devids {
  	__u16 bustype;
  	__u16 vendor;
  	__u16 product;
  	__u16 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 */