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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * console_struct.h
3 *
4 * Data structure describing single virtual console except for data
5 * used by vt.c.
6 *
7 * Fields marked with [#] must be set by the low-level driver.
8 * Fields marked with [!] can be changed by the low-level driver
9 * to achieve effects such as fast scrolling by changing the origin.
10 */
11
Robert P. J. Day217397d2007-06-08 13:47:07 -070012#ifndef _LINUX_CONSOLE_STRUCT_H
13#define _LINUX_CONSOLE_STRUCT_H
14
Jon Smirla8f340e2006-07-10 04:44:12 -070015#include <linux/wait.h>
Antonino A. Daplase07dea92005-11-07 01:00:51 -080016#include <linux/vt.h>
Eric W. Biederman8b6312f2007-02-10 01:44:34 -080017#include <linux/workqueue.h>
Antonino A. Daplase07dea92005-11-07 01:00:51 -080018
Linus Torvalds1da177e2005-04-16 15:20:36 -070019struct vt_struct;
20
21#define NPAR 16
22
23struct vc_data {
24 unsigned short vc_num; /* Console number */
25 unsigned int vc_cols; /* [#] Console size */
26 unsigned int vc_rows;
27 unsigned int vc_size_row; /* Bytes per row */
28 unsigned int vc_scan_lines; /* # of scan lines */
29 unsigned long vc_origin; /* [!] Start of real screen */
30 unsigned long vc_scr_end; /* [!] End of real screen */
31 unsigned long vc_visible_origin; /* [!] Top of visible window */
32 unsigned int vc_top, vc_bottom; /* Scrolling region */
33 const struct consw *vc_sw;
34 unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */
35 unsigned int vc_screenbuf_size;
36 unsigned char vc_mode; /* KD_TEXT, ... */
37 /* attributes for all characters on screen */
38 unsigned char vc_attr; /* Current attributes */
39 unsigned char vc_def_color; /* Default colors */
40 unsigned char vc_color; /* Foreground & background */
41 unsigned char vc_s_color; /* Saved foreground & background */
42 unsigned char vc_ulcolor; /* Color for underline mode */
Jan Engelhardtfa6ce9a2007-05-08 00:38:04 -070043 unsigned char vc_itcolor;
Linus Torvalds1da177e2005-04-16 15:20:36 -070044 unsigned char vc_halfcolor; /* Color for half intensity mode */
45 /* cursor */
46 unsigned int vc_cursor_type;
47 unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */
48 unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */
49 unsigned int vc_x, vc_y; /* Cursor position */
50 unsigned int vc_saved_x, vc_saved_y;
51 unsigned long vc_pos; /* Cursor address */
52 /* fonts */
53 unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */
54 struct console_font vc_font; /* Current VC font set */
55 unsigned short vc_video_erase_char; /* Background erase character */
56 /* VT terminal data */
57 unsigned int vc_state; /* Escape sequence parser state */
58 unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */
59 struct tty_struct *vc_tty; /* TTY we are attached to */
60 /* data for manual vt switching */
61 struct vt_mode vt_mode;
Eric W. Biedermanbde0d2c92006-10-02 02:17:14 -070062 struct pid *vt_pid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070063 int vt_newvt;
64 wait_queue_head_t paste_wait;
65 /* mode flags */
66 unsigned int vc_charset : 1; /* Character set G0 / G1 */
67 unsigned int vc_s_charset : 1; /* Saved character set */
68 unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */
69 unsigned int vc_toggle_meta : 1; /* Toggle high bit? */
70 unsigned int vc_decscnm : 1; /* Screen Mode */
71 unsigned int vc_decom : 1; /* Origin Mode */
72 unsigned int vc_decawm : 1; /* Autowrap Mode */
73 unsigned int vc_deccm : 1; /* Cursor Visible */
74 unsigned int vc_decim : 1; /* Insert Mode */
75 unsigned int vc_deccolm : 1; /* 80/132 Column Mode */
76 /* attribute flags */
77 unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */
Jan Engelhardtfa6ce9a2007-05-08 00:38:04 -070078 unsigned int vc_italic:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 unsigned int vc_underline : 1;
80 unsigned int vc_blink : 1;
81 unsigned int vc_reverse : 1;
82 unsigned int vc_s_intensity : 2; /* saved rendition */
Jan Engelhardtfa6ce9a2007-05-08 00:38:04 -070083 unsigned int vc_s_italic:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -070084 unsigned int vc_s_underline : 1;
85 unsigned int vc_s_blink : 1;
86 unsigned int vc_s_reverse : 1;
87 /* misc */
88 unsigned int vc_ques : 1;
89 unsigned int vc_need_wrap : 1;
90 unsigned int vc_can_do_color : 1;
91 unsigned int vc_report_mouse : 2;
92 unsigned int vc_kmalloced : 1;
93 unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */
94 unsigned char vc_utf_count;
95 int vc_utf_char;
96 unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */
97 unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */
98 unsigned short * vc_translate;
99 unsigned char vc_G0_charset;
100 unsigned char vc_G1_charset;
101 unsigned char vc_saved_G0;
102 unsigned char vc_saved_G1;
Antonino A. Daplase400b6e2007-10-16 01:29:35 -0700103 unsigned int vc_resize_user; /* resize request from user */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104 unsigned int vc_bell_pitch; /* Console bell pitch */
105 unsigned int vc_bell_duration; /* Console bell duration */
106 struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
107 unsigned long vc_uni_pagedir;
108 unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
109 /* additional information is in vt_kern.h */
110};
111
112struct vc {
113 struct vc_data *d;
Eric W. Biederman8b6312f2007-02-10 01:44:34 -0800114 struct work_struct SAK_work;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115
116 /* might add scrmem, vt_struct, kbd at some time,
117 to have everything in one place - the disadvantage
118 would be that vc_cons etc can no longer be static */
119};
120
121extern struct vc vc_cons [MAX_NR_CONSOLES];
Eric W. Biederman8b6312f2007-02-10 01:44:34 -0800122extern void vc_SAK(struct work_struct *work);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123
124#define CUR_DEF 0
125#define CUR_NONE 1
126#define CUR_UNDERLINE 2
127#define CUR_LOWER_THIRD 3
128#define CUR_LOWER_HALF 4
129#define CUR_TWO_THIRDS 5
130#define CUR_BLOCK 6
131#define CUR_HWMASK 0x0f
132#define CUR_SWMASK 0xfff0
133
134#define CUR_DEFAULT CUR_UNDERLINE
135
136#define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp)
Robert P. J. Day217397d2007-06-08 13:47:07 -0700137
138#endif /* _LINUX_CONSOLE_STRUCT_H */