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 "standard-headers/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 	uint32_t min;
44 	uint32_t max;
45 	uint32_t fuzz;
46 	uint32_t flat;
47 	uint32_t res;
48 };
49 
50 struct virtio_input_devids {
51 	uint16_t bustype;
52 	uint16_t vendor;
53 	uint16_t product;
54 	uint16_t version;
55 };
56 
57 struct virtio_input_config {
58 	uint8_t    select;
59 	uint8_t    subsel;
60 	uint8_t    size;
61 	uint8_t    reserved[5];
62 	union {
63 		char string[128];
64 		uint8_t bitmap[128];
65 		struct virtio_input_absinfo abs;
66 		struct virtio_input_devids ids;
67 	} u;
68 };
69 
70 struct virtio_input_event {
71 	uint16_t type;
72 	uint16_t code;
73 	uint32_t value;
74 };
75 
76 #endif /* _LINUX_VIRTIO_INPUT_H */
77