diff options
Diffstat (limited to 'kernel/include/linux/console_struct.h')
| -rw-r--r-- | kernel/include/linux/console_struct.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/kernel/include/linux/console_struct.h b/kernel/include/linux/console_struct.h new file mode 100644 index 000000000..e859c98d1 --- /dev/null +++ b/kernel/include/linux/console_struct.h @@ -0,0 +1,140 @@ +/* + * 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; +struct uni_pagedir; + +#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 */ + struct uni_pagedir *vc_uni_pagedir; + struct uni_pagedir **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 */ |