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      1 #ifndef _LINUX_VIRTIO_INPUT_H
      2 #define _LINUX_VIRTIO_INPUT_H
      3 /* This header is BSD licensed so anyone can use the definitions to implement
      4  * compatible drivers/servers.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. Neither the name of IBM nor the names of its contributors
     15  *    may be used to endorse or promote products derived from this software
     16  *    without specific prior written permission.
     17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     20  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR
     21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
     24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     27  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE. */
     29 
     30 #include <linux/types.h>
     31 
     32 enum virtio_input_config_select {
     33 	VIRTIO_INPUT_CFG_UNSET      = 0x00,
     34 	VIRTIO_INPUT_CFG_ID_NAME    = 0x01,
     35 	VIRTIO_INPUT_CFG_ID_SERIAL  = 0x02,
     36 	VIRTIO_INPUT_CFG_ID_DEVIDS  = 0x03,
     37 	VIRTIO_INPUT_CFG_PROP_BITS  = 0x10,
     38 	VIRTIO_INPUT_CFG_EV_BITS    = 0x11,
     39 	VIRTIO_INPUT_CFG_ABS_INFO   = 0x12,
     40 };
     41 
     42 struct virtio_input_absinfo {
     43 	__u32 min;
     44 	__u32 max;
     45 	__u32 fuzz;
     46 	__u32 flat;
     47 	__u32 res;
     48 };
     49 
     50 struct virtio_input_devids {
     51 	__u16 bustype;
     52 	__u16 vendor;
     53 	__u16 product;
     54 	__u16 version;
     55 };
     56 
     57 struct virtio_input_config {
     58 	__u8    select;
     59 	__u8    subsel;
     60 	__u8    size;
     61 	__u8    reserved[5];
     62 	union {
     63 		char string[128];
     64 		__u8 bitmap[128];
     65 		struct virtio_input_absinfo abs;
     66 		struct virtio_input_devids ids;
     67 	} u;
     68 };
     69 
     70 struct virtio_input_event {
     71 	__le16 type;
     72 	__le16 code;
     73 	__le32 value;
     74 };
     75 
     76 #endif /* _LINUX_VIRTIO_INPUT_H */
     77