---

---

---

01: #ifndef _LINUX_VT_H
02: #define _LINUX_VT_H
03: 
04: 
05: /*
06:  * These constants are also useful for user-level apps (e.g., VC
07:  * resizing).
08:  */
09: #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) */
14: 
15: /* 0x56 is 'V', to avoid collision with termios and kd */
16: 
17: #define VT_OPENQRY      0x5600  /* find available vt */
18: 
19: struct vt_mode {
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) */
25: };
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 */
31: 
32: struct vt_stat {
33:         unsigned short v_active;        /* active vt */
34:         unsigned short v_signal;        /* signal to send */
35:         unsigned short v_state;         /* vt bitmask */
36: };
37: #define VT_GETSTATE     0x5603  /* get global vt state info */
38: #define VT_SENDSIG      0x5604  /* signal to send to bitmask of vts */
39: 
40: #define VT_RELDISP      0x5605  /* release display */
41: 
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 */
45: 
46: struct vt_sizes {
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 */
50: };
51: #define VT_RESIZE       0x5609  /* set kernel's idea of screensize */
52: 
53: struct vt_consize {
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 */
60: };
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 */
65: 
66: struct vt_event {
67:         unsigned int event;
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 */
76: };
77: 
78: #define VT_WAITEVENT    0x560E  /* Wait for an event */
79: 
80: struct vt_setactivate {
81:         unsigned int console;
82:         struct vt_mode mode;
83: };
84: 
85: #define VT_SETACTIVATE  0x560F  /* Activate and set the mode of a console */
86: 
87: 
88: #define vt_get_kmsg_redirect() vt_kmsg_redirect(-1)
89: 
90: #endif /* _LINUX_VT_H */
91: 

---

---

---