diff options
Diffstat (limited to 'include/uapi/linux/vt.h')
| -rw-r--r-- | include/uapi/linux/vt.h | 90 | 
1 files changed, 90 insertions, 0 deletions
diff --git a/include/uapi/linux/vt.h b/include/uapi/linux/vt.h new file mode 100644 index 00000000000..4b59a26799a --- /dev/null +++ b/include/uapi/linux/vt.h @@ -0,0 +1,90 @@ +#ifndef _UAPI_LINUX_VT_H +#define _UAPI_LINUX_VT_H + + +/* + * These constants are also useful for user-level apps (e.g., VC + * resizing). + */ +#define MIN_NR_CONSOLES 1       /* must be at least 1 */ +#define MAX_NR_CONSOLES	63	/* serial lines start at 64 */ +#define MAX_NR_USER_CONSOLES 63	/* must be root to allocate above this */ +		/* Note: the ioctl VT_GETSTATE does not work for +		   consoles 16 and higher (since it returns a short) */ + +/* 0x56 is 'V', to avoid collision with termios and kd */ + +#define VT_OPENQRY	0x5600	/* find available vt */ + +struct vt_mode { +	char mode;		/* vt mode */ +	char waitv;		/* if set, hang on writes if not active */ +	short relsig;		/* signal to raise on release req */ +	short acqsig;		/* signal to raise on acquisition */ +	short frsig;		/* unused (set to 0) */ +}; +#define VT_GETMODE	0x5601	/* get mode of active vt */ +#define VT_SETMODE	0x5602	/* set mode of active vt */ +#define		VT_AUTO		0x00	/* auto vt switching */ +#define		VT_PROCESS	0x01	/* process controls switching */ +#define		VT_ACKACQ	0x02	/* acknowledge switch */ + +struct vt_stat { +	unsigned short v_active;	/* active vt */ +	unsigned short v_signal;	/* signal to send */ +	unsigned short v_state;		/* vt bitmask */ +}; +#define VT_GETSTATE	0x5603	/* get global vt state info */ +#define VT_SENDSIG	0x5604	/* signal to send to bitmask of vts */ + +#define VT_RELDISP	0x5605	/* release display */ + +#define VT_ACTIVATE	0x5606	/* make vt active */ +#define VT_WAITACTIVE	0x5607	/* wait for vt active */ +#define VT_DISALLOCATE	0x5608  /* free memory associated to vt */ + +struct vt_sizes { +	unsigned short v_rows;		/* number of rows */ +	unsigned short v_cols;		/* number of columns */ +	unsigned short v_scrollsize;	/* number of lines of scrollback */ +}; +#define VT_RESIZE	0x5609	/* set kernel's idea of screensize */ + +struct vt_consize { +	unsigned short v_rows;	/* number of rows */ +	unsigned short v_cols;	/* number of columns */ +	unsigned short v_vlin;	/* number of pixel rows on screen */ +	unsigned short v_clin;	/* number of pixel rows per character */ +	unsigned short v_vcol;	/* number of pixel columns on screen */ +	unsigned short v_ccol;	/* number of pixel columns per character */ +}; +#define VT_RESIZEX      0x560A  /* set kernel's idea of screensize + more */ +#define VT_LOCKSWITCH   0x560B  /* disallow vt switching */ +#define VT_UNLOCKSWITCH 0x560C  /* allow vt switching */ +#define VT_GETHIFONTMASK 0x560D  /* return hi font mask */ + +struct vt_event { +	unsigned int event; +#define VT_EVENT_SWITCH		0x0001	/* Console switch */ +#define VT_EVENT_BLANK		0x0002	/* Screen blank */ +#define VT_EVENT_UNBLANK	0x0004	/* Screen unblank */ +#define VT_EVENT_RESIZE		0x0008	/* Resize display */ +#define VT_MAX_EVENT		0x000F +	unsigned int oldev;		/* Old console */ +	unsigned int newev;		/* New console (if changing) */ +	unsigned int pad[4];		/* Padding for expansion */ +}; + +#define VT_WAITEVENT	0x560E	/* Wait for an event */ + +struct vt_setactivate { +	unsigned int console; +	struct vt_mode mode; +}; + +#define VT_SETACTIVATE	0x560F	/* Activate and set the mode of a console */ + + +#define vt_get_kmsg_redirect() vt_kmsg_redirect(-1) + +#endif /* _UAPI_LINUX_VT_H */  |