Commit | Line | Data |
---|---|---|
607ca46e DH |
1 | /* |
2 | * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so | |
3 | * anyone can use the definitions to implement compatible drivers/servers: | |
4 | * | |
a1b38387 RR |
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 ``AS IS'' AND | |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE | |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
607ca46e DH |
27 | * SUCH DAMAGE. |
28 | * | |
29 | * Copyright (C) Red Hat, Inc., 2009, 2010, 2011 | |
30 | * Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011 | |
31 | */ | |
32 | #ifndef _UAPI_LINUX_VIRTIO_CONSOLE_H | |
33 | #define _UAPI_LINUX_VIRTIO_CONSOLE_H | |
5a19ae4b | 34 | #include <linux/types.h> |
e95646c3 | 35 | #include <linux/virtio_ids.h> |
b530cc79 EVH |
36 | #include <linux/virtio_config.h> |
37 | ||
607ca46e DH |
38 | /* Feature bits */ |
39 | #define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */ | |
40 | #define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */ | |
97ee9b02 | 41 | |
607ca46e | 42 | #define VIRTIO_CONSOLE_BAD_ID (~(u32)0) |
97ee9b02 | 43 | |
607ca46e DH |
44 | struct virtio_console_config { |
45 | /* colums of the screens */ | |
46 | __u16 cols; | |
47 | /* rows of the screens */ | |
48 | __u16 rows; | |
49 | /* max. number of ports this device can hold */ | |
50 | __u32 max_nr_ports; | |
97ee9b02 AK |
51 | } __attribute__((packed)); |
52 | ||
607ca46e DH |
53 | /* |
54 | * A message that's passed between the Host and the Guest for a | |
55 | * particular port. | |
56 | */ | |
57 | struct virtio_console_control { | |
58 | __u32 id; /* Port number */ | |
59 | __u16 event; /* The kind of control event (see below) */ | |
60 | __u16 value; /* Extra information for the key */ | |
61 | }; | |
62 | ||
63 | /* Some events for control messages */ | |
64 | #define VIRTIO_CONSOLE_DEVICE_READY 0 | |
65 | #define VIRTIO_CONSOLE_PORT_ADD 1 | |
66 | #define VIRTIO_CONSOLE_PORT_REMOVE 2 | |
67 | #define VIRTIO_CONSOLE_PORT_READY 3 | |
68 | #define VIRTIO_CONSOLE_CONSOLE_PORT 4 | |
69 | #define VIRTIO_CONSOLE_RESIZE 5 | |
70 | #define VIRTIO_CONSOLE_PORT_OPEN 6 | |
71 | #define VIRTIO_CONSOLE_PORT_NAME 7 | |
72 | ||
73 | ||
74 | #endif /* _UAPI_LINUX_VIRTIO_CONSOLE_H */ |