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/*
* console_struct.h
*
* Data structure describing single virtual console except for data
* used by vt.c.
*
* Fields marked with [#] must be set by the low-level driver.
* Fields marked with [!] can be changed by the low-level driver
* to achieve effects such as fast scrolling by changing the origin.
*/
#ifndef _LINUX_CONSOLE_STRUCT_H
#define _LINUX_CONSOLE_STRUCT_H
#include <linux/wait.h>
#include <linux/vt.h>
#include <linux/workqueue.h>
struct vt_struct;
#define NPAR 16
struct vc_data {
struct tty_port port; /* Upper level data */
unsigned short vc_num; /* Console number */
unsigned int vc_cols; /* [#] Console size */
unsigned int vc_rows;
unsigned int vc_size_row; /* Bytes per row */
unsigned int vc_scan_lines; /* # of scan lines */
unsigned long vc_origin; /* [!] Start of real screen */
unsigned long vc_scr_end; /* [!] End of real screen */
unsigned long vc_visible_origin; /* [!] Top of visible window */
unsigned int vc_top, vc_bottom; /* Scrolling region */
const struct consw *vc_sw;
unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */
unsigned int vc_screenbuf_size;
unsigned char vc_mode; /* KD_TEXT, ... */
/* attributes for all characters on screen */
unsigned char vc_attr; /* Current attributes */
unsigned char vc_def_color; /* Default colors */
unsigned char vc_color; /* Foreground & background */
unsigned char vc_s_color; /* Saved foreground & background */
unsigned char vc_ulcolor; /* Color for underline mode */
unsigned char vc_itcolor;
unsigned char vc_halfcolor; /* Color for half intensity mode */
/* cursor */
unsigned int vc_cursor_type;
unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */
unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */
unsigned int vc_x, vc_y; /* Cursor position */
unsigned int vc_saved_x, vc_saved_y;
unsigned long vc_pos; /* Cursor address */
/* fonts */
unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */
struct console_font vc_font; /* Current VC font set */
unsigned short vc_video_erase_char; /* Background erase character */
/* VT terminal data */
unsigned int vc_state; /* Escape sequence parser state */
unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */
/* data for manual vt switching */
struct vt_mode vt_mode;
struct pid *vt_pid;
int vt_newvt;
wait_queue_head_t paste_wait;
/* mode flags */
unsigned int vc_charset : 1; /* Character set G0 / G1 */
unsigned int vc_s_charset : 1; /* Saved character set */
unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */
unsigned int vc_toggle_meta : 1; /* Toggle high bit? */
unsigned int vc_decscnm : 1; /* Screen Mode */
unsigned int vc_decom : 1; /* Origin Mode */
unsigned int vc_decawm : 1; /* Autowrap Mode */
unsigned int vc_deccm : 1; /* Cursor Visible */
unsigned int vc_decim : 1; /* Insert Mode */
unsigned int vc_deccolm : 1; /* 80/132 Column Mode */
/* attribute flags */
unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */
unsigned int vc_italic:1;
unsigned int vc_underline : 1;
unsigned int vc_blink : 1;
unsigned int vc_reverse : 1;
unsigned int vc_s_intensity : 2; /* saved rendition */
unsigned int vc_s_italic:1;
unsigned int vc_s_underline : 1;
unsigned int vc_s_blink : 1;
unsigned int vc_s_reverse : 1;
/* misc */
unsigned int vc_ques : 1;
unsigned int vc_need_wrap : 1;
unsigned int vc_can_do_color : 1;
unsigned int vc_report_mouse : 2;
unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */
unsigned char vc_utf_count;
int vc_utf_char;
unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */
unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */
unsigned short * vc_translate;
unsigned char vc_G0_charset;
unsigned char vc_G1_charset;
unsigned char vc_saved_G0;
unsigned char vc_saved_G1;
unsigned int vc_resize_user; /* resize request from user */
unsigned int vc_bell_pitch; /* Console bell pitch */
unsigned int vc_bell_duration; /* Console bell duration */
struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
unsigned long vc_uni_pagedir;
unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
bool vc_panic_force_write; /* when oops/panic this VC can accept forced output/blanking */
/* additional information is in vt_kern.h */
};
struct vc {
struct vc_data *d;
struct work_struct SAK_work;
/* might add scrmem, vt_struct, kbd at some time,
to have everything in one place - the disadvantage
would be that vc_cons etc can no longer be static */
};
extern struct vc vc_cons [MAX_NR_CONSOLES];
extern void vc_SAK(struct work_struct *work);
#define CUR_DEF 0
#define CUR_NONE 1
#define CUR_UNDERLINE 2
#define CUR_LOWER_THIRD 3
#define CUR_LOWER_HALF 4
#define CUR_TWO_THIRDS 5
#define CUR_BLOCK 6
#define CUR_HWMASK 0x0f
#define CUR_SWMASK 0xfff0
#define CUR_DEFAULT CUR_UNDERLINE
#define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp)
#endif /* _LINUX_CONSOLE_STRUCT_H */
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