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 */
55
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