LCOV - code coverage report
Current view: top level - include/linux - console_struct.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 2 2 100.0 %
Date: 2017-01-25 Functions: 0 0 -

          Line data    Source code
       1             : /*
       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             : 
      12             : #ifndef _LINUX_CONSOLE_STRUCT_H
      13             : #define _LINUX_CONSOLE_STRUCT_H
      14             : 
      15             : #include <linux/wait.h>
      16             : #include <linux/vt.h>
      17             : #include <linux/workqueue.h>
      18             : 
      19             : struct vt_struct;
      20             : 
      21             : #define NPAR 16
      22             : 
      23             : struct 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 */
      43             :         unsigned char   vc_itcolor;
      44             :         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;
      62             :         struct pid      *vt_pid;
      63             :         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 */
      78             :         unsigned int    vc_italic:1;
      79             :         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 */
      83             :         unsigned int    vc_s_italic:1;
      84             :         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 char   vc_utf          : 1;    /* Unicode UTF-8 encoding */
      93             :         unsigned char   vc_utf_count;
      94             :                  int    vc_utf_char;
      95             :         unsigned int    vc_tab_stop[8];         /* Tab stops. 256 columns. */
      96             :         unsigned char   vc_palette[16*3];       /* Colour palette for VGA+ */
      97             :         unsigned short * vc_translate;
      98             :         unsigned char   vc_G0_charset;
      99             :         unsigned char   vc_G1_charset;
     100             :         unsigned char   vc_saved_G0;
     101             :         unsigned char   vc_saved_G1;
     102             :         unsigned int    vc_resize_user;         /* resize request from user */
     103             :         unsigned int    vc_bell_pitch;          /* Console bell pitch */
     104             :         unsigned int    vc_bell_duration;       /* Console bell duration */
     105             :         struct vc_data **vc_display_fg;         /* [!] Ptr to var holding fg console for this display */
     106             :         unsigned long   vc_uni_pagedir;
     107             :         unsigned long   *vc_uni_pagedir_loc;  /* [!] Location of uni_pagedir variable for this console */
     108             :         /* additional information is in vt_kern.h */
     109           1 : };
     110             : 
     111             : struct vc {
     112             :         struct vc_data *d;
     113             :         struct work_struct SAK_work;
     114             : 
     115             :         /* might add  scrmem, vt_struct, kbd  at some time,
     116             :            to have everything in one place - the disadvantage
     117             :            would be that vc_cons etc can no longer be static */
     118             : };
     119             : 
     120           1 : extern struct vc vc_cons [MAX_NR_CONSOLES];
     121             : extern void vc_SAK(struct work_struct *work);
     122             : 
     123             : #define CUR_DEF         0
     124             : #define CUR_NONE        1
     125             : #define CUR_UNDERLINE   2
     126             : #define CUR_LOWER_THIRD 3
     127             : #define CUR_LOWER_HALF  4
     128             : #define CUR_TWO_THIRDS  5
     129             : #define CUR_BLOCK       6
     130             : #define CUR_HWMASK      0x0f
     131             : #define CUR_SWMASK      0xfff0
     132             : 
     133             : #define CUR_DEFAULT CUR_UNDERLINE
     134             : 
     135             : #define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp)
     136             : 
     137             : #endif /* _LINUX_CONSOLE_STRUCT_H */

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