mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 00:48:50 +00:00
5084f89303
Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
#ifndef _LINUX_VIRTIO_CONSOLE_H
|
|
#define _LINUX_VIRTIO_CONSOLE_H
|
|
#include <linux/types.h>
|
|
#include <linux/virtio_ids.h>
|
|
#include <linux/virtio_config.h>
|
|
/*
|
|
* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
|
|
* anyone can use the definitions to implement compatible drivers/servers.
|
|
*
|
|
* Copyright (C) Red Hat, Inc., 2009, 2010, 2011
|
|
* Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011
|
|
*/
|
|
|
|
/* Feature bits */
|
|
#define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */
|
|
#define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */
|
|
|
|
#define VIRTIO_CONSOLE_BAD_ID (~(u32)0)
|
|
|
|
struct virtio_console_config {
|
|
/* colums of the screens */
|
|
__u16 cols;
|
|
/* rows of the screens */
|
|
__u16 rows;
|
|
/* max. number of ports this device can hold */
|
|
__u32 max_nr_ports;
|
|
} __attribute__((packed));
|
|
|
|
/*
|
|
* A message that's passed between the Host and the Guest for a
|
|
* particular port.
|
|
*/
|
|
struct virtio_console_control {
|
|
__u32 id; /* Port number */
|
|
__u16 event; /* The kind of control event (see below) */
|
|
__u16 value; /* Extra information for the key */
|
|
};
|
|
|
|
/* Some events for control messages */
|
|
#define VIRTIO_CONSOLE_DEVICE_READY 0
|
|
#define VIRTIO_CONSOLE_PORT_ADD 1
|
|
#define VIRTIO_CONSOLE_PORT_REMOVE 2
|
|
#define VIRTIO_CONSOLE_PORT_READY 3
|
|
#define VIRTIO_CONSOLE_CONSOLE_PORT 4
|
|
#define VIRTIO_CONSOLE_RESIZE 5
|
|
#define VIRTIO_CONSOLE_PORT_OPEN 6
|
|
#define VIRTIO_CONSOLE_PORT_NAME 7
|
|
|
|
#ifdef __KERNEL__
|
|
int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _LINUX_VIRTIO_CONSOLE_H */
|