projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _LINUX_VT_H |
| 2 | #define _LINUX_VT_H | |
| 3 | ||
| b293d758 ST |
4 | #ifdef __KERNEL__ |
| 5 | struct notifier_block; | |
| 6 | ||
| 7 | struct vt_notifier_param { | |
| 8 | struct vc_data *vc; /* VC on which the update happened */ | |
| 9 | unsigned int c; /* Printed char */ | |
| 10 | }; | |
| 11 | ||
| 12 | extern int register_vt_notifier(struct notifier_block *nb); | |
| 13 | extern int unregister_vt_notifier(struct notifier_block *nb); | |
| 14 | #endif | |
| 15 | ||
| a8f340e3 JS |
16 | /* |
| 17 | * These constants are also useful for user-level apps (e.g., VC | |
| 18 | * resizing). | |
| 19 | */ | |
| 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) */ | |
| 25 | ||
| 1da177e4 LT |
26 | /* 0x56 is 'V', to avoid collision with termios and kd */ |
| 27 | ||
| 28 | #define VT_OPENQRY 0x5600 /* find available vt */ | |
| 29 | ||
| 30 | struct vt_mode { | |
| 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) */ | |
| 36 | }; | |
| 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 */ | |
| 42 | ||
| 43 | struct vt_stat { | |
| 44 | unsigned short v_active; /* active vt */ | |
| 45 | unsigned short v_signal; /* signal to send */ | |
| 46 | unsigned short v_state; /* vt bitmask */ | |
| 47 | }; | |
| 48 | #define VT_GETSTATE 0x5603 /* get global vt state info */ | |
| 49 | #define VT_SENDSIG 0x5604 /* signal to send to bitmask of vts */ | |
| 50 | ||
| 51 | #define VT_RELDISP 0x5605 /* release display */ | |
| 52 | ||
| 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 */ | |
| 56 | ||
| 57 | struct vt_sizes { | |
| 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 */ | |
| 61 | }; | |
| 62 | #define VT_RESIZE 0x5609 /* set kernel's idea of screensize */ | |
| 63 | ||
| 64 | struct vt_consize { | |
| 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 */ | |
| 71 | }; | |
| 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 */ | |
| 533475d3 | 75 | #define VT_GETHIFONTMASK 0x560D /* return hi font mask */ |
| 1da177e4 LT |
76 | |
| 77 | #endif /* _LINUX_VT_H */ |