| #ifndef _LINUX_VT_H |
| #define _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 /* _LINUX_VT_H */ |