1*53ee8cc1Swenshuai.xi #ifndef _LINUX_VT_H 2*53ee8cc1Swenshuai.xi #define _LINUX_VT_H 3*53ee8cc1Swenshuai.xi 4*53ee8cc1Swenshuai.xi 5*53ee8cc1Swenshuai.xi /* 6*53ee8cc1Swenshuai.xi * These constants are also useful for user-level apps (e.g., VC 7*53ee8cc1Swenshuai.xi * resizing). 8*53ee8cc1Swenshuai.xi */ 9*53ee8cc1Swenshuai.xi #define MIN_NR_CONSOLES 1 /* must be at least 1 */ 10*53ee8cc1Swenshuai.xi #define MAX_NR_CONSOLES 63 /* serial lines start at 64 */ 11*53ee8cc1Swenshuai.xi #define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */ 12*53ee8cc1Swenshuai.xi /* Note: the ioctl VT_GETSTATE does not work for 13*53ee8cc1Swenshuai.xi consoles 16 and higher (since it returns a short) */ 14*53ee8cc1Swenshuai.xi 15*53ee8cc1Swenshuai.xi /* 0x56 is 'V', to avoid collision with termios and kd */ 16*53ee8cc1Swenshuai.xi 17*53ee8cc1Swenshuai.xi #define VT_OPENQRY 0x5600 /* find available vt */ 18*53ee8cc1Swenshuai.xi 19*53ee8cc1Swenshuai.xi struct vt_mode { 20*53ee8cc1Swenshuai.xi char mode; /* vt mode */ 21*53ee8cc1Swenshuai.xi char waitv; /* if set, hang on writes if not active */ 22*53ee8cc1Swenshuai.xi short relsig; /* signal to raise on release req */ 23*53ee8cc1Swenshuai.xi short acqsig; /* signal to raise on acquisition */ 24*53ee8cc1Swenshuai.xi short frsig; /* unused (set to 0) */ 25*53ee8cc1Swenshuai.xi }; 26*53ee8cc1Swenshuai.xi #define VT_GETMODE 0x5601 /* get mode of active vt */ 27*53ee8cc1Swenshuai.xi #define VT_SETMODE 0x5602 /* set mode of active vt */ 28*53ee8cc1Swenshuai.xi #define VT_AUTO 0x00 /* auto vt switching */ 29*53ee8cc1Swenshuai.xi #define VT_PROCESS 0x01 /* process controls switching */ 30*53ee8cc1Swenshuai.xi #define VT_ACKACQ 0x02 /* acknowledge switch */ 31*53ee8cc1Swenshuai.xi 32*53ee8cc1Swenshuai.xi struct vt_stat { 33*53ee8cc1Swenshuai.xi unsigned short v_active; /* active vt */ 34*53ee8cc1Swenshuai.xi unsigned short v_signal; /* signal to send */ 35*53ee8cc1Swenshuai.xi unsigned short v_state; /* vt bitmask */ 36*53ee8cc1Swenshuai.xi }; 37*53ee8cc1Swenshuai.xi #define VT_GETSTATE 0x5603 /* get global vt state info */ 38*53ee8cc1Swenshuai.xi #define VT_SENDSIG 0x5604 /* signal to send to bitmask of vts */ 39*53ee8cc1Swenshuai.xi 40*53ee8cc1Swenshuai.xi #define VT_RELDISP 0x5605 /* release display */ 41*53ee8cc1Swenshuai.xi 42*53ee8cc1Swenshuai.xi #define VT_ACTIVATE 0x5606 /* make vt active */ 43*53ee8cc1Swenshuai.xi #define VT_WAITACTIVE 0x5607 /* wait for vt active */ 44*53ee8cc1Swenshuai.xi #define VT_DISALLOCATE 0x5608 /* free memory associated to vt */ 45*53ee8cc1Swenshuai.xi 46*53ee8cc1Swenshuai.xi struct vt_sizes { 47*53ee8cc1Swenshuai.xi unsigned short v_rows; /* number of rows */ 48*53ee8cc1Swenshuai.xi unsigned short v_cols; /* number of columns */ 49*53ee8cc1Swenshuai.xi unsigned short v_scrollsize; /* number of lines of scrollback */ 50*53ee8cc1Swenshuai.xi }; 51*53ee8cc1Swenshuai.xi #define VT_RESIZE 0x5609 /* set kernel's idea of screensize */ 52*53ee8cc1Swenshuai.xi 53*53ee8cc1Swenshuai.xi struct vt_consize { 54*53ee8cc1Swenshuai.xi unsigned short v_rows; /* number of rows */ 55*53ee8cc1Swenshuai.xi unsigned short v_cols; /* number of columns */ 56*53ee8cc1Swenshuai.xi unsigned short v_vlin; /* number of pixel rows on screen */ 57*53ee8cc1Swenshuai.xi unsigned short v_clin; /* number of pixel rows per character */ 58*53ee8cc1Swenshuai.xi unsigned short v_vcol; /* number of pixel columns on screen */ 59*53ee8cc1Swenshuai.xi unsigned short v_ccol; /* number of pixel columns per character */ 60*53ee8cc1Swenshuai.xi }; 61*53ee8cc1Swenshuai.xi #define VT_RESIZEX 0x560A /* set kernel's idea of screensize + more */ 62*53ee8cc1Swenshuai.xi #define VT_LOCKSWITCH 0x560B /* disallow vt switching */ 63*53ee8cc1Swenshuai.xi #define VT_UNLOCKSWITCH 0x560C /* allow vt switching */ 64*53ee8cc1Swenshuai.xi #define VT_GETHIFONTMASK 0x560D /* return hi font mask */ 65*53ee8cc1Swenshuai.xi 66*53ee8cc1Swenshuai.xi #endif /* _LINUX_VT_H */ 67