1 #ifndef _LINUX_VT_H 2 #define _LINUX_VT_H 3 4 /* 5 * These constants are also useful for user-level apps (e.g., VC 6 * resizing). 7 */ 8 #define MIN_NR_CONSOLES 1 /* must be at least 1 */ 9 #define MAX_NR_CONSOLES 63 /* serial lines start at 64 */ 10 #define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */ 11 /* Note: the ioctl VT_GETSTATE does not work for 12 consoles 16 and higher (since it returns a short) */ 13 14 /* 0x56 is 'V', to avoid collision with termios and kd */ 15 16 #define VT_OPENQRY 0x5600 /* find available vt */ 17 18 struct vt_mode { 19 char mode; /* vt mode */ 20 char waitv; /* if set, hang on writes if not active */ 21 short relsig; /* signal to raise on release req */ 22 short acqsig; /* signal to raise on acquisition */ 23 short frsig; /* unused (set to 0) */ 24 }; 25 #define VT_GETMODE 0x5601 /* get mode of active vt */ 26 #define VT_SETMODE 0x5602 /* set mode of active vt */ 27 #define VT_AUTO 0x00 /* auto vt switching */ 28 #define VT_PROCESS 0x01 /* process controls switching */ 29 #define VT_ACKACQ 0x02 /* acknowledge switch */ 30 31 struct vt_stat { 32 unsigned short v_active; /* active vt */ 33 unsigned short v_signal; /* signal to send */ 34 unsigned short v_state; /* vt bitmask */ 35 }; 36 #define VT_GETSTATE 0x5603 /* get global vt state info */ 37 #define VT_SENDSIG 0x5604 /* signal to send to bitmask of vts */ 38 39 #define VT_RELDISP 0x5605 /* release display */ 40 41 #define VT_ACTIVATE 0x5606 /* make vt active */ 42 #define VT_WAITACTIVE 0x5607 /* wait for vt active */ 43 #define VT_DISALLOCATE 0x5608 /* free memory associated to vt */ 44 45 struct vt_sizes { 46 unsigned short v_rows; /* number of rows */ 47 unsigned short v_cols; /* number of columns */ 48 unsigned short v_scrollsize; /* number of lines of scrollback */ 49 }; 50 #define VT_RESIZE 0x5609 /* set kernel's idea of screensize */ 51 52 struct vt_consize { 53 unsigned short v_rows; /* number of rows */ 54 unsigned short v_cols; /* number of columns */ 55 unsigned short v_vlin; /* number of pixel rows on screen */ 56 unsigned short v_clin; /* number of pixel rows per character */ 57 unsigned short v_vcol; /* number of pixel columns on screen */ 58 unsigned short v_ccol; /* number of pixel columns per character */ 59 }; 60 #define VT_RESIZEX 0x560A /* set kernel's idea of screensize + more */ 61 #define VT_LOCKSWITCH 0x560B /* disallow vt switching */ 62 #define VT_UNLOCKSWITCH 0x560C /* allow vt switching */ 63 #define VT_GETHIFONTMASK 0x560D /* return hi font mask */ 64 65 #endif /* _LINUX_VT_H */ 66
