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 #ifndef CONFIG_MAX_NR_CONSOLES
11 #define MAX_NR_CONSOLES 63 /* serial lines start at 64 */
13 #define MAX_NR_CONSOLES CONFIG_MAX_NR_CONSOLES
15 #define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */
16 /* Note: the ioctl VT_GETSTATE does not work for
17 consoles 16 and higher (since it returns a short) */
19 /* 0x56 is 'V', to avoid collision with termios and kd */
21 #define VT_OPENQRY 0x5600 /* find available vt */
24 char mode; /* vt mode */
25 char waitv; /* if set, hang on writes if not active */
26 short relsig; /* signal to raise on release req */
27 short acqsig; /* signal to raise on acquisition */
28 short frsig; /* unused (set to 0) */
30 #define VT_GETMODE 0x5601 /* get mode of active vt */
31 #define VT_SETMODE 0x5602 /* set mode of active vt */
32 #define VT_AUTO 0x00 /* auto vt switching */
33 #define VT_PROCESS 0x01 /* process controls switching */
34 #define VT_ACKACQ 0x02 /* acknowledge switch */
37 unsigned short v_active; /* active vt */
38 unsigned short v_signal; /* signal to send */
39 unsigned short v_state; /* vt bitmask */
41 #define VT_GETSTATE 0x5603 /* get global vt state info */
42 #define VT_SENDSIG 0x5604 /* signal to send to bitmask of vts */
44 #define VT_RELDISP 0x5605 /* release display */
46 #define VT_ACTIVATE 0x5606 /* make vt active */
47 #define VT_WAITACTIVE 0x5607 /* wait for vt active */
48 #define VT_DISALLOCATE 0x5608 /* free memory associated to vt */
51 unsigned short v_rows; /* number of rows */
52 unsigned short v_cols; /* number of columns */
53 unsigned short v_scrollsize; /* number of lines of scrollback */
55 #define VT_RESIZE 0x5609 /* set kernel's idea of screensize */
58 unsigned short v_rows; /* number of rows */
59 unsigned short v_cols; /* number of columns */
60 unsigned short v_vlin; /* number of pixel rows on screen */
61 unsigned short v_clin; /* number of pixel rows per character */
62 unsigned short v_vcol; /* number of pixel columns on screen */
63 unsigned short v_ccol; /* number of pixel columns per character */
65 #define VT_RESIZEX 0x560A /* set kernel's idea of screensize + more */
66 #define VT_LOCKSWITCH 0x560B /* disallow vt switching */
67 #define VT_UNLOCKSWITCH 0x560C /* allow vt switching */
68 #define VT_GETHIFONTMASK 0x560D /* return hi font mask */
72 #define VT_EVENT_SWITCH 0x0001 /* Console switch */
73 #define VT_EVENT_BLANK 0x0002 /* Screen blank */
74 #define VT_EVENT_UNBLANK 0x0004 /* Screen unblank */
75 #define VT_EVENT_RESIZE 0x0008 /* Resize display */
76 #define VT_MAX_EVENT 0x000F
77 unsigned int oldev; /* Old console */
78 unsigned int newev; /* New console (if changing) */
79 unsigned int pad[4]; /* Padding for expansion */
82 #define VT_WAITEVENT 0x560E /* Wait for an event */
84 struct vt_setactivate {
89 #define VT_SETACTIVATE 0x560F /* Activate and set the mode of a console */
93 #ifdef CONFIG_VT_CONSOLE
95 extern int vt_kmsg_redirect(int new);
99 static inline int vt_kmsg_redirect(int new)
106 #endif /* __KERNEL__ */
108 #define vt_get_kmsg_redirect() vt_kmsg_redirect(-1)
110 #endif /* _LINUX_VT_H */