| David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 1 | #ifndef _UAPI_LINUX_VT_H |
| 2 | #define _UAPI_LINUX_VT_H |
| 3 | |
| 4 | |
| 5 | /* |
| 6 | * These constants are also useful for user-level apps (e.g., VC |
| 7 | * resizing). |
| 8 | */ |
| 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) */ |
| 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 /* _UAPI_LINUX_VT_H */ |