cregit-Linux how code gets into the kernel

Release 4.14 include/linux/kbd_kern.h

Directory: include/linux
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _KBD_KERN_H

#define _KBD_KERN_H

#include <linux/tty.h>
#include <linux/interrupt.h>
#include <linux/keyboard.h>

extern struct tasklet_struct keyboard_tasklet;

extern char *func_table[MAX_NR_FUNC];
extern char func_buf[];
extern char *funcbufptr;
extern int funcbufsize, funcbufleft;

/*
 * kbd->xxx contains the VC-local things (flag settings etc..)
 *
 * Note: externally visible are LED_SCR, LED_NUM, LED_CAP defined in kd.h
 *       The code in KDGETLED / KDSETLED depends on the internal and
 *       external order being the same.
 *
 * Note: lockstate is used as index in the array key_map.
 */

struct kbd_struct {

	
unsigned char lockstate;
/* 8 modifiers - the names do not have any meaning at all;
   they can be associated to arbitrarily chosen keys */

#define VC_SHIFTLOCK	KG_SHIFT	/* shift lock mode */

#define VC_ALTGRLOCK	KG_ALTGR	/* altgr lock mode */

#define VC_CTRLLOCK	KG_CTRL 	/* control lock mode */

#define VC_ALTLOCK	KG_ALT  	/* alt lock mode */

#define VC_SHIFTLLOCK	KG_SHIFTL	/* shiftl lock mode */

#define VC_SHIFTRLOCK	KG_SHIFTR	/* shiftr lock mode */

#define VC_CTRLLLOCK	KG_CTRLL 	/* ctrll lock mode */

#define VC_CTRLRLOCK	KG_CTRLR 	/* ctrlr lock mode */
	
unsigned char slockstate; 	/* for `sticky' Shift, Ctrl, etc. */

	
unsigned char ledmode:1;

#define LED_SHOW_FLAGS 0        /* traditional state */

#define LED_SHOW_IOCTL 1        /* only change leds upon ioctl */

	
unsigned char ledflagstate:4;	/* flags, not lights */
	
unsigned char default_ledflagstate:4;

#define VC_SCROLLOCK	0	/* scroll-lock mode */

#define VC_NUMLOCK	1	/* numeric lock mode */

#define VC_CAPSLOCK	2	/* capslock mode */

#define VC_KANALOCK	3	/* kanalock mode */

	
unsigned char kbdmode:3;	/* one 3-bit value */

#define VC_XLATE	0	/* translate keycodes using keymap */

#define VC_MEDIUMRAW	1	/* medium raw (keycode) mode */

#define VC_RAW		2	/* raw (scancode) mode */

#define VC_UNICODE	3	/* Unicode mode */

#define VC_OFF		4	/* disabled mode */

	
unsigned char modeflags:5;

#define VC_APPLIC	0	/* application key mode */

#define VC_CKMODE	1	/* cursor key mode */

#define VC_REPEAT	2	/* keyboard repeat */

#define VC_CRLF		3	/* 0 - enter sends CR, 1 - enter sends CRLF */

#define VC_META		4	/* 0 - meta, 1 - meta=prefix with ESC */
};

extern int kbd_init(void);

extern void setledstate(struct kbd_struct *kbd, unsigned int led);

extern int do_poke_blanked_console;

extern void (*kbd_ledfunc)(unsigned int led);

extern int set_console(int nr);
extern void schedule_console_callback(void);

/* FIXME: review locking for vt.c callers */

static inline void set_leds(void) { tasklet_schedule(&keyboard_tasklet); }

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Linus Torvalds (pre-git)1493.33%266.67%
Linus Torvalds16.67%133.33%
Total15100.00%3100.00%


static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag) { return ((kbd->modeflags >> flag) & 1); }

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Linus Torvalds (pre-git)2796.43%266.67%
Linus Torvalds13.57%133.33%
Total28100.00%3100.00%


static inline int vc_kbd_led(struct kbd_struct * kbd, int flag) { return ((kbd->ledflagstate >> flag) & 1); }

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Linus Torvalds (pre-git)2796.43%266.67%
Linus Torvalds13.57%133.33%
Total28100.00%3100.00%


static inline void set_vc_kbd_mode(struct kbd_struct * kbd, int flag) { kbd->modeflags |= 1 << flag; }

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Linus Torvalds (pre-git)2295.65%266.67%
Linus Torvalds14.35%133.33%
Total23100.00%3100.00%


static inline void set_vc_kbd_led(struct kbd_struct * kbd, int flag) { kbd->ledflagstate |= 1 << flag; }

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PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)2295.65%266.67%
Linus Torvalds14.35%133.33%
Total23100.00%3100.00%


static inline void clr_vc_kbd_mode(struct kbd_struct * kbd, int flag) { kbd->modeflags &= ~(1 << flag); }

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Linus Torvalds (pre-git)2596.15%266.67%
Linus Torvalds13.85%133.33%
Total26100.00%3100.00%


static inline void clr_vc_kbd_led(struct kbd_struct * kbd, int flag) { kbd->ledflagstate &= ~(1 << flag); }

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Linus Torvalds (pre-git)2596.15%266.67%
Linus Torvalds13.85%133.33%
Total26100.00%3100.00%


static inline void chg_vc_kbd_lock(struct kbd_struct * kbd, int flag) { kbd->lockstate ^= 1 << flag; }

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Linus Torvalds (pre-git)2295.65%266.67%
Linus Torvalds14.35%133.33%
Total23100.00%3100.00%


static inline void chg_vc_kbd_slock(struct kbd_struct * kbd, int flag) { kbd->slockstate ^= 1 << flag; }

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Linus Torvalds (pre-git)2295.65%150.00%
Linus Torvalds14.35%150.00%
Total23100.00%2100.00%


static inline void chg_vc_kbd_mode(struct kbd_struct * kbd, int flag) { kbd->modeflags ^= 1 << flag; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)2295.65%266.67%
Linus Torvalds14.35%133.33%
Total23100.00%3100.00%


static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag) { kbd->ledflagstate ^= 1 << flag; }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)2295.65%266.67%
Linus Torvalds14.35%133.33%
Total23100.00%3100.00%

#define U(x) ((x) ^ 0xf000) #define BRL_UC_ROW 0x2800 /* keyboard.c */ struct console; void compute_shiftstate(void); /* defkeymap.c */ extern unsigned int keymap_count; #endif

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Linus Torvalds (pre-git)51191.91%947.37%
Linus Torvalds234.14%315.79%
Arthur Taylor71.26%15.26%
Osamu Tomita71.26%15.26%
Samuel Thibault40.72%15.26%
Andreas Platschek10.18%15.26%
Greg Kroah-Hartman10.18%15.26%
Alan Cox10.18%15.26%
Andrew Johnson10.18%15.26%
Total556100.00%19100.00%
Directory: include/linux
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