Edit File: console_struct.h
/* * 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 static inline bool con_is_visible(const struct vc_data *vc) { return *vc->vc_display_fg == vc; } #endif /* _LINUX_CONSOLE_STRUCT_H */