include/linux/vt.h

   1 #ifndef _LINUX_VT_H
   2 #define _LINUX_VT_H
   3
   4 /* 0x56 is 'V', to avoid collision with termios and kd */
   5
   6 #define VT_OPENQRY      0x5600  /* find available vt */
   7
   8 struct vt_mode {
   9         char mode;              /* vt mode */
  10         char waitv;             /* if set, hang on writes if not active */
  11         short relsig;           /* signal to raise on release req */
  12         short acqsig;           /* signal to raise on acquisition */
  13         short frsig;            /* unused (set to 0) */
  14 };
  15 #define VT_GETMODE      0x5601  /* get mode of active vt */
  16 #define VT_SETMODE      0x5602  /* set mode of active vt */
  17 #define         VT_AUTO         0x00    /* auto vt switching */
  18 #define         VT_PROCESS      0x01    /* process controls switching */
  19 #define         VT_ACKACQ       0x02    /* acknowledge switch */
  20
  21 struct vt_stat {
  22         unsigned short v_active;        /* active vt */
  23         unsigned short v_signal;        /* signal to send */
  24         unsigned short v_state;         /* vt bitmask */
  25 };
  26 #define VT_GETSTATE     0x5603  /* get global vt state info */
  27 #define VT_SENDSIG      0x5604  /* signal to send to bitmask of vts */
  28
  29 #define VT_RELDISP      0x5605  /* release display */
  30
  31 #define VT_ACTIVATE     0x5606  /* make vt active */
  32 #define VT_WAITACTIVE   0x5607  /* wait for vt active */
  33 #define VT_DISALLOCATE  0x5608  /* free memory associated to vt */
  34
  35 struct vt_sizes {
  36         unsigned short v_rows;          /* number of rows */
  37         unsigned short v_cols;          /* number of columns */
  38         unsigned short v_scrollsize;    /* number of lines of scrollback */
  39 };
  40 #define VT_RESIZE       0x5609  /* set kernel's idea of screensize */
  41
  42 struct vt_consize {
  43         unsigned short v_rows;  /* number of rows */
  44         unsigned short v_cols;  /* number of columns */
  45         unsigned short v_vlin;  /* number of pixel rows on screen */
  46         unsigned short v_clin;  /* number of pixel rows per character */
  47         unsigned short v_vcol;  /* number of pixel columns on screen */
  48         unsigned short v_ccol;  /* number of pixel columns per character */
  49 };
  50 #define VT_RESIZEX      0x560A  /* set kernel's idea of screensize + more */
  51 #define VT_LOCKSWITCH   0x560B  /* disallow vt switching */
  52 #define VT_UNLOCKSWITCH 0x560C  /* allow vt switching */
  53
  54 #endif /* _LINUX_VT_H */