mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9fc3de9c83
virtual console: add keyboard mode OFF Add a new mode for the virtual console keyboard OFF in which all input other than shift keys is ignored. Prevents vt input buffers from overflowing when a program opens but doesn't read from a tty, like X11 using evdev for input. Signed-off-by: Arthur Taylor <art@ified.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
187 lines
6.2 KiB
C
187 lines
6.2 KiB
C
#ifndef _LINUX_KD_H
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#define _LINUX_KD_H
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#include <linux/types.h>
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#include <linux/compiler.h>
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/* 0x4B is 'K', to avoid collision with termios and vt */
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#define GIO_FONT 0x4B60 /* gets font in expanded form */
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#define PIO_FONT 0x4B61 /* use font in expanded form */
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#define GIO_FONTX 0x4B6B /* get font using struct consolefontdesc */
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#define PIO_FONTX 0x4B6C /* set font using struct consolefontdesc */
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struct consolefontdesc {
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unsigned short charcount; /* characters in font (256 or 512) */
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unsigned short charheight; /* scan lines per character (1-32) */
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char __user *chardata; /* font data in expanded form */
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};
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#define PIO_FONTRESET 0x4B6D /* reset to default font */
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#define GIO_CMAP 0x4B70 /* gets colour palette on VGA+ */
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#define PIO_CMAP 0x4B71 /* sets colour palette on VGA+ */
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#define KIOCSOUND 0x4B2F /* start sound generation (0 for off) */
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#define KDMKTONE 0x4B30 /* generate tone */
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#define KDGETLED 0x4B31 /* return current led state */
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#define KDSETLED 0x4B32 /* set led state [lights, not flags] */
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#define LED_SCR 0x01 /* scroll lock led */
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#define LED_NUM 0x02 /* num lock led */
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#define LED_CAP 0x04 /* caps lock led */
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#define KDGKBTYPE 0x4B33 /* get keyboard type */
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#define KB_84 0x01
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#define KB_101 0x02 /* this is what we always answer */
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#define KB_OTHER 0x03
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#define KDADDIO 0x4B34 /* add i/o port as valid */
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#define KDDELIO 0x4B35 /* del i/o port as valid */
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#define KDENABIO 0x4B36 /* enable i/o to video board */
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#define KDDISABIO 0x4B37 /* disable i/o to video board */
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#define KDSETMODE 0x4B3A /* set text/graphics mode */
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#define KD_TEXT 0x00
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#define KD_GRAPHICS 0x01
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#define KD_TEXT0 0x02 /* obsolete */
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#define KD_TEXT1 0x03 /* obsolete */
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#define KDGETMODE 0x4B3B /* get current mode */
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#define KDMAPDISP 0x4B3C /* map display into address space */
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#define KDUNMAPDISP 0x4B3D /* unmap display from address space */
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typedef char scrnmap_t;
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#define E_TABSZ 256
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#define GIO_SCRNMAP 0x4B40 /* get screen mapping from kernel */
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#define PIO_SCRNMAP 0x4B41 /* put screen mapping table in kernel */
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#define GIO_UNISCRNMAP 0x4B69 /* get full Unicode screen mapping */
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#define PIO_UNISCRNMAP 0x4B6A /* set full Unicode screen mapping */
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#define GIO_UNIMAP 0x4B66 /* get unicode-to-font mapping from kernel */
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struct unipair {
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unsigned short unicode;
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unsigned short fontpos;
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};
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struct unimapdesc {
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unsigned short entry_ct;
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struct unipair __user *entries;
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};
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#define PIO_UNIMAP 0x4B67 /* put unicode-to-font mapping in kernel */
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#define PIO_UNIMAPCLR 0x4B68 /* clear table, possibly advise hash algorithm */
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struct unimapinit {
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unsigned short advised_hashsize; /* 0 if no opinion */
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unsigned short advised_hashstep; /* 0 if no opinion */
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unsigned short advised_hashlevel; /* 0 if no opinion */
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};
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#define UNI_DIRECT_BASE 0xF000 /* start of Direct Font Region */
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#define UNI_DIRECT_MASK 0x01FF /* Direct Font Region bitmask */
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#define K_RAW 0x00
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#define K_XLATE 0x01
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#define K_MEDIUMRAW 0x02
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#define K_UNICODE 0x03
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#define K_OFF 0x04
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#define KDGKBMODE 0x4B44 /* gets current keyboard mode */
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#define KDSKBMODE 0x4B45 /* sets current keyboard mode */
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#define K_METABIT 0x03
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#define K_ESCPREFIX 0x04
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#define KDGKBMETA 0x4B62 /* gets meta key handling mode */
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#define KDSKBMETA 0x4B63 /* sets meta key handling mode */
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#define K_SCROLLLOCK 0x01
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#define K_NUMLOCK 0x02
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#define K_CAPSLOCK 0x04
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#define KDGKBLED 0x4B64 /* get led flags (not lights) */
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#define KDSKBLED 0x4B65 /* set led flags (not lights) */
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struct kbentry {
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unsigned char kb_table;
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unsigned char kb_index;
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unsigned short kb_value;
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};
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#define K_NORMTAB 0x00
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#define K_SHIFTTAB 0x01
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#define K_ALTTAB 0x02
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#define K_ALTSHIFTTAB 0x03
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#define KDGKBENT 0x4B46 /* gets one entry in translation table */
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#define KDSKBENT 0x4B47 /* sets one entry in translation table */
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struct kbsentry {
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unsigned char kb_func;
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unsigned char kb_string[512];
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};
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#define KDGKBSENT 0x4B48 /* gets one function key string entry */
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#define KDSKBSENT 0x4B49 /* sets one function key string entry */
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struct kbdiacr {
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unsigned char diacr, base, result;
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};
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struct kbdiacrs {
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unsigned int kb_cnt; /* number of entries in following array */
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struct kbdiacr kbdiacr[256]; /* MAX_DIACR from keyboard.h */
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};
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#define KDGKBDIACR 0x4B4A /* read kernel accent table */
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#define KDSKBDIACR 0x4B4B /* write kernel accent table */
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struct kbdiacruc {
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unsigned int diacr, base, result;
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};
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struct kbdiacrsuc {
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unsigned int kb_cnt; /* number of entries in following array */
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struct kbdiacruc kbdiacruc[256]; /* MAX_DIACR from keyboard.h */
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};
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#define KDGKBDIACRUC 0x4BFA /* read kernel accent table - UCS */
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#define KDSKBDIACRUC 0x4BFB /* write kernel accent table - UCS */
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struct kbkeycode {
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unsigned int scancode, keycode;
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};
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#define KDGETKEYCODE 0x4B4C /* read kernel keycode table entry */
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#define KDSETKEYCODE 0x4B4D /* write kernel keycode table entry */
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#define KDSIGACCEPT 0x4B4E /* accept kbd generated signals */
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struct kbd_repeat {
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int delay; /* in msec; <= 0: don't change */
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int period; /* in msec; <= 0: don't change */
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/* earlier this field was misnamed "rate" */
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};
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#define KDKBDREP 0x4B52 /* set keyboard delay/repeat rate;
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* actually used values are returned */
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#define KDFONTOP 0x4B72 /* font operations */
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struct console_font_op {
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unsigned int op; /* operation code KD_FONT_OP_* */
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unsigned int flags; /* KD_FONT_FLAG_* */
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unsigned int width, height; /* font size */
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unsigned int charcount;
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unsigned char __user *data; /* font data with height fixed to 32 */
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};
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struct console_font {
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unsigned int width, height; /* font size */
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unsigned int charcount;
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unsigned char *data; /* font data with height fixed to 32 */
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};
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#define KD_FONT_OP_SET 0 /* Set font */
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#define KD_FONT_OP_GET 1 /* Get font */
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#define KD_FONT_OP_SET_DEFAULT 2 /* Set font to default, data points to name / NULL */
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#define KD_FONT_OP_COPY 3 /* Copy from another console */
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#define KD_FONT_FLAG_DONT_RECALC 1 /* Don't recalculate hw charcell size [compat] */
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#ifdef __KERNEL__
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#define KD_FONT_FLAG_OLD 0x80000000 /* Invoked via old interface [compat] */
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#endif
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/* note: 0x4B00-0x4B4E all have had a value at some time;
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don't reuse for the time being */
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/* note: 0x4B60-0x4B6D, 0x4B70-0x4B72 used above */
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#endif /* _LINUX_KD_H */
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