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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;
Takashi Iwaie4bdab72014-05-13 12:09:28 +020020struct uni_pagedir;
Linus Torvalds1da177e2005-04-16 15:20:36 -070021
22#define NPAR 16
23
24struct vc_data {
Alan Coxff917ba2010-06-01 22:52:55 +020025 struct tty_port port; /* Upper level data */
26
Linus Torvalds1da177e2005-04-16 15:20:36 -070027 unsigned short vc_num; /* Console number */
28 unsigned int vc_cols; /* [#] Console size */
29 unsigned int vc_rows;
30 unsigned int vc_size_row; /* Bytes per row */
31 unsigned int vc_scan_lines; /* # of scan lines */
32 unsigned long vc_origin; /* [!] Start of real screen */
33 unsigned long vc_scr_end; /* [!] End of real screen */
34 unsigned long vc_visible_origin; /* [!] Top of visible window */
35 unsigned int vc_top, vc_bottom; /* Scrolling region */
36 const struct consw *vc_sw;
37 unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */
38 unsigned int vc_screenbuf_size;
39 unsigned char vc_mode; /* KD_TEXT, ... */
40 /* attributes for all characters on screen */
41 unsigned char vc_attr; /* Current attributes */
42 unsigned char vc_def_color; /* Default colors */
43 unsigned char vc_color; /* Foreground & background */
44 unsigned char vc_s_color; /* Saved foreground & background */
45 unsigned char vc_ulcolor; /* Color for underline mode */
Jan Engelhardtfa6ce9a2007-05-08 00:38:04 -070046 unsigned char vc_itcolor;
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 unsigned char vc_halfcolor; /* Color for half intensity mode */
48 /* cursor */
49 unsigned int vc_cursor_type;
50 unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */
51 unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */
52 unsigned int vc_x, vc_y; /* Cursor position */
53 unsigned int vc_saved_x, vc_saved_y;
54 unsigned long vc_pos; /* Cursor address */
55 /* fonts */
56 unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */
57 struct console_font vc_font; /* Current VC font set */
58 unsigned short vc_video_erase_char; /* Background erase character */
59 /* VT terminal data */
60 unsigned int vc_state; /* Escape sequence parser state */
61 unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 /* data for manual vt switching */
63 struct vt_mode vt_mode;
Eric W. Biedermanbde0d2c92006-10-02 02:17:14 -070064 struct pid *vt_pid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070065 int vt_newvt;
66 wait_queue_head_t paste_wait;
67 /* mode flags */
68 unsigned int vc_charset : 1; /* Character set G0 / G1 */
69 unsigned int vc_s_charset : 1; /* Saved character set */
70 unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */
71 unsigned int vc_toggle_meta : 1; /* Toggle high bit? */
72 unsigned int vc_decscnm : 1; /* Screen Mode */
73 unsigned int vc_decom : 1; /* Origin Mode */
74 unsigned int vc_decawm : 1; /* Autowrap Mode */
75 unsigned int vc_deccm : 1; /* Cursor Visible */
76 unsigned int vc_decim : 1; /* Insert Mode */
77 unsigned int vc_deccolm : 1; /* 80/132 Column Mode */
78 /* attribute flags */
79 unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */
Jan Engelhardtfa6ce9a2007-05-08 00:38:04 -070080 unsigned int vc_italic:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -070081 unsigned int vc_underline : 1;
82 unsigned int vc_blink : 1;
83 unsigned int vc_reverse : 1;
84 unsigned int vc_s_intensity : 2; /* saved rendition */
Jan Engelhardtfa6ce9a2007-05-08 00:38:04 -070085 unsigned int vc_s_italic:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -070086 unsigned int vc_s_underline : 1;
87 unsigned int vc_s_blink : 1;
88 unsigned int vc_s_reverse : 1;
89 /* misc */
90 unsigned int vc_ques : 1;
91 unsigned int vc_need_wrap : 1;
92 unsigned int vc_can_do_color : 1;
93 unsigned int vc_report_mouse : 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */
95 unsigned char vc_utf_count;
96 int vc_utf_char;
97 unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */
98 unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */
99 unsigned short * vc_translate;
100 unsigned char vc_G0_charset;
101 unsigned char vc_G1_charset;
102 unsigned char vc_saved_G0;
103 unsigned char vc_saved_G1;
Antonino A. Daplase400b6e2007-10-16 01:29:35 -0700104 unsigned int vc_resize_user; /* resize request from user */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105 unsigned int vc_bell_pitch; /* Console bell pitch */
106 unsigned int vc_bell_duration; /* Console bell duration */
Scot Doylebd633642015-03-26 13:54:39 +0000107 unsigned short vc_cur_blink_ms; /* Cursor blink duration */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108 struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
Takashi Iwaie4bdab72014-05-13 12:09:28 +0200109 struct uni_pagedir *vc_uni_pagedir;
110 struct uni_pagedir **vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
Jesse Barnes8fd4bd22010-06-23 12:56:12 -0700111 bool vc_panic_force_write; /* when oops/panic this VC can accept forced output/blanking */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 /* additional information is in vt_kern.h */
113};
114
115struct vc {
116 struct vc_data *d;
Eric W. Biederman8b6312f2007-02-10 01:44:34 -0800117 struct work_struct SAK_work;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118
119 /* might add scrmem, vt_struct, kbd at some time,
120 to have everything in one place - the disadvantage
121 would be that vc_cons etc can no longer be static */
122};
123
124extern struct vc vc_cons [MAX_NR_CONSOLES];
Eric W. Biederman8b6312f2007-02-10 01:44:34 -0800125extern void vc_SAK(struct work_struct *work);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
127#define CUR_DEF 0
128#define CUR_NONE 1
129#define CUR_UNDERLINE 2
130#define CUR_LOWER_THIRD 3
131#define CUR_LOWER_HALF 4
132#define CUR_TWO_THIRDS 5
133#define CUR_BLOCK 6
134#define CUR_HWMASK 0x0f
135#define CUR_SWMASK 0xfff0
136
137#define CUR_DEFAULT CUR_UNDERLINE
138
139#define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp)
Robert P. J. Day217397d2007-06-08 13:47:07 -0700140
141#endif /* _LINUX_CONSOLE_STRUCT_H */