diff options
Diffstat (limited to 'kernel/include/uapi/linux/vt.h')
| -rw-r--r-- | kernel/include/uapi/linux/vt.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/kernel/include/uapi/linux/vt.h b/kernel/include/uapi/linux/vt.h new file mode 100644 index 000000000..978578bd1 --- /dev/null +++ b/kernel/include/uapi/linux/vt.h @@ -0,0 +1,87 @@ +#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 */ + +#endif /* _UAPI_LINUX_VT_H */ |