1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_VT_H
3#define _LINUX_VT_H
4
5#include <uapi/linux/vt.h>
6
7
8/* Virtual Terminal events. */
9#define VT_ALLOCATE 0x0001 /* Console got allocated */
10#define VT_DEALLOCATE 0x0002 /* Console will be deallocated */
11#define VT_WRITE 0x0003 /* A char got output */
12#define VT_UPDATE 0x0004 /* A bigger update occurred */
13#define VT_PREWRITE 0x0005 /* A char is about to be written to the console */
14
15#ifdef CONFIG_VT_CONSOLE
16
17extern int vt_kmsg_redirect(int new);
18
19#else
20
21static inline int vt_kmsg_redirect(int new)
22{
23 return 0;
24}
25
26#endif
27
28#endif /* _LINUX_VT_H */
29

source code of linux/include/linux/vt.h