1 #ifndef _LINUX_VIRTIO_CONSOLE_H
2 #define _LINUX_VIRTIO_CONSOLE_H
3 #include <linux/types.h>
4 #include <linux/virtio_ids.h>
5 #include <linux/virtio_config.h>
7 * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
8 * anyone can use the definitions to implement compatible drivers/servers.
10 * Copyright (C) Red Hat, Inc., 2009, 2010
14 #define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */
15 #define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */
17 #define VIRTIO_CONSOLE_BAD_ID (~(u32)0)
19 struct virtio_console_config
{
20 /* colums of the screens */
22 /* rows of the screens */
24 /* max. number of ports this device can hold */
26 } __attribute__((packed
));
29 * A message that's passed between the Host and the Guest for a
32 struct virtio_console_control
{
33 __u32 id
; /* Port number */
34 __u16 event
; /* The kind of control event (see below) */
35 __u16 value
; /* Extra information for the key */
38 /* Some events for control messages */
39 #define VIRTIO_CONSOLE_DEVICE_READY 0
40 #define VIRTIO_CONSOLE_PORT_ADD 1
41 #define VIRTIO_CONSOLE_PORT_REMOVE 2
42 #define VIRTIO_CONSOLE_PORT_READY 3
43 #define VIRTIO_CONSOLE_CONSOLE_PORT 4
44 #define VIRTIO_CONSOLE_RESIZE 5
45 #define VIRTIO_CONSOLE_PORT_OPEN 6
46 #define VIRTIO_CONSOLE_PORT_NAME 7
49 int __init
virtio_cons_early_init(int (*put_chars
)(u32
, const char *, int));
50 #endif /* __KERNEL__ */
52 #endif /* _LINUX_VIRTIO_CONSOLE_H */
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