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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/linux/vt.h
7 struct vt_notifier_param
{
8 struct vc_data
*vc
; /* VC on which the update happened */
9 unsigned int c
; /* Printed char */
12 extern int register_vt_notifier(struct notifier_block
*nb
);
13 extern int unregister_vt_notifier(struct notifier_block
*nb
);
17 * These constants are also useful for user-level apps (e.g., VC
20 #define MIN_NR_CONSOLES 1 /* must be at least 1 */
21 #define MAX_NR_CONSOLES 63 /* serial lines start at 64 */
22 #define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */
23 /* Note: the ioctl VT_GETSTATE does not work for
24 consoles 16 and higher (since it returns a short) */
26 /* 0x56 is 'V', to avoid collision with termios and kd */
28 #define VT_OPENQRY 0x5600 /* find available vt */
31 char mode
; /* vt mode */
32 char waitv
; /* if set, hang on writes if not active */
33 short relsig
; /* signal to raise on release req */
34 short acqsig
; /* signal to raise on acquisition */
35 short frsig
; /* unused (set to 0) */
37 #define VT_GETMODE 0x5601 /* get mode of active vt */
38 #define VT_SETMODE 0x5602 /* set mode of active vt */
39 #define VT_AUTO 0x00 /* auto vt switching */
40 #define VT_PROCESS 0x01 /* process controls switching */
41 #define VT_ACKACQ 0x02 /* acknowledge switch */
44 unsigned short v_active
; /* active vt */
45 unsigned short v_signal
; /* signal to send */
46 unsigned short v_state
; /* vt bitmask */
48 #define VT_GETSTATE 0x5603 /* get global vt state info */
49 #define VT_SENDSIG 0x5604 /* signal to send to bitmask of vts */
51 #define VT_RELDISP 0x5605 /* release display */
53 #define VT_ACTIVATE 0x5606 /* make vt active */
54 #define VT_WAITACTIVE 0x5607 /* wait for vt active */
55 #define VT_DISALLOCATE 0x5608 /* free memory associated to vt */
58 unsigned short v_rows
; /* number of rows */
59 unsigned short v_cols
; /* number of columns */
60 unsigned short v_scrollsize
; /* number of lines of scrollback */
62 #define VT_RESIZE 0x5609 /* set kernel's idea of screensize */
65 unsigned short v_rows
; /* number of rows */
66 unsigned short v_cols
; /* number of columns */
67 unsigned short v_vlin
; /* number of pixel rows on screen */
68 unsigned short v_clin
; /* number of pixel rows per character */
69 unsigned short v_vcol
; /* number of pixel columns on screen */
70 unsigned short v_ccol
; /* number of pixel columns per character */
72 #define VT_RESIZEX 0x560A /* set kernel's idea of screensize + more */
73 #define VT_LOCKSWITCH 0x560B /* disallow vt switching */
74 #define VT_UNLOCKSWITCH 0x560C /* allow vt switching */
75 #define VT_GETHIFONTMASK 0x560D /* return hi font mask */
77 #endif /* _LINUX_VT_H */