6 * These constants are also useful for user-level apps (e.g., VC
9 #define MIN_NR_CONSOLES 1 /* must be at least 1 */
10 #define MAX_NR_CONSOLES 63 /* serial lines start at 64 */
11 #define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */
12 /* Note: the ioctl VT_GETSTATE does not work for
13 consoles 16 and higher (since it returns a short) */
15 /* 0x56 is 'V', to avoid collision with termios and kd */
17 #define VT_OPENQRY 0x5600 /* find available vt */
20 char mode
; /* vt mode */
21 char waitv
; /* if set, hang on writes if not active */
22 short relsig
; /* signal to raise on release req */
23 short acqsig
; /* signal to raise on acquisition */
24 short frsig
; /* unused (set to 0) */
26 #define VT_GETMODE 0x5601 /* get mode of active vt */
27 #define VT_SETMODE 0x5602 /* set mode of active vt */
28 #define VT_AUTO 0x00 /* auto vt switching */
29 #define VT_PROCESS 0x01 /* process controls switching */
30 #define VT_ACKACQ 0x02 /* acknowledge switch */
33 unsigned short v_active
; /* active vt */
34 unsigned short v_signal
; /* signal to send */
35 unsigned short v_state
; /* vt bitmask */
37 #define VT_GETSTATE 0x5603 /* get global vt state info */
38 #define VT_SENDSIG 0x5604 /* signal to send to bitmask of vts */
40 #define VT_RELDISP 0x5605 /* release display */
42 #define VT_ACTIVATE 0x5606 /* make vt active */
43 #define VT_WAITACTIVE 0x5607 /* wait for vt active */
44 #define VT_DISALLOCATE 0x5608 /* free memory associated to vt */
47 unsigned short v_rows
; /* number of rows */
48 unsigned short v_cols
; /* number of columns */
49 unsigned short v_scrollsize
; /* number of lines of scrollback */
51 #define VT_RESIZE 0x5609 /* set kernel's idea of screensize */
54 unsigned short v_rows
; /* number of rows */
55 unsigned short v_cols
; /* number of columns */
56 unsigned short v_vlin
; /* number of pixel rows on screen */
57 unsigned short v_clin
; /* number of pixel rows per character */
58 unsigned short v_vcol
; /* number of pixel columns on screen */
59 unsigned short v_ccol
; /* number of pixel columns per character */
61 #define VT_RESIZEX 0x560A /* set kernel's idea of screensize + more */
62 #define VT_LOCKSWITCH 0x560B /* disallow vt switching */
63 #define VT_UNLOCKSWITCH 0x560C /* allow vt switching */
64 #define VT_GETHIFONTMASK 0x560D /* return hi font mask */
68 #define VT_EVENT_SWITCH 0x0001 /* Console switch */
69 #define VT_EVENT_BLANK 0x0002 /* Screen blank */
70 #define VT_EVENT_UNBLANK 0x0004 /* Screen unblank */
71 #define VT_EVENT_RESIZE 0x0008 /* Resize display */
72 #define VT_MAX_EVENT 0x000F
73 unsigned int oldev
; /* Old console */
74 unsigned int newev
; /* New console (if changing) */
75 unsigned int pad
[4]; /* Padding for expansion */
78 #define VT_WAITEVENT 0x560E /* Wait for an event */
80 struct vt_setactivate
{
85 #define VT_SETACTIVATE 0x560F /* Activate and set the mode of a console */
89 /* Virtual Terminal events. */
90 #define VT_ALLOCATE 0x0001 /* Console got allocated */
91 #define VT_DEALLOCATE 0x0002 /* Console will be deallocated */
92 #define VT_WRITE 0x0003 /* A char got output */
93 #define VT_UPDATE 0x0004 /* A bigger update occurred */
94 #define VT_PREWRITE 0x0005 /* A char is about to be written to the console */
96 #ifdef CONFIG_VT_CONSOLE
98 extern int vt_kmsg_redirect(int new);
102 static inline int vt_kmsg_redirect(int new)
109 #endif /* __KERNEL__ */
111 #define vt_get_kmsg_redirect() vt_kmsg_redirect(-1)
113 #endif /* _LINUX_VT_H */
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