Release 4.7 include/linux/vt_kern.h
#ifndef _VT_KERN_H
#define _VT_KERN_H
/*
* this really is an extension of the vc_cons structure in console.c, but
* with information needed by the vt package
*/
#include <linux/vt.h>
#include <linux/kd.h>
#include <linux/tty.h>
#include <linux/mutex.h>
#include <linux/console_struct.h>
#include <linux/mm.h>
#include <linux/consolemap.h>
#include <linux/notifier.h>
/*
* Presently, a lot of graphics programs do not restore the contents of
* the higher font pages. Defining this flag will avoid use of them, but
* will lose support for PIO_FONTRESET. Note that many font operations are
* not likely to work with these programs anyway; they need to be
* fixed. The linux/Documentation directory includes a code snippet
* to save and restore the text font.
*/
#ifdef CONFIG_VGA_CONSOLE
#define BROKEN_GRAPHICS_PROGRAMS 1
#endif
extern void kd_mksound(unsigned int hz, unsigned int ticks);
extern int kbd_rate(struct kbd_repeat *rep);
extern int fg_console, last_console, want_console;
/* console.c */
int vc_allocate(unsigned int console);
int vc_cons_allocated(unsigned int console);
int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines);
struct vc_data *vc_deallocate(unsigned int console);
void reset_palette(struct vc_data *vc);
void do_blank_screen(int entering_gfx);
void do_unblank_screen(int leaving_gfx);
void unblank_screen(void);
void poke_blanked_console(void);
int con_font_op(struct vc_data *vc, struct console_font_op *op);
int con_set_cmap(unsigned char __user *cmap);
int con_get_cmap(unsigned char __user *cmap);
void scrollback(struct vc_data *vc, int lines);
void scrollfront(struct vc_data *vc, int lines);
void clear_buffer_attributes(struct vc_data *vc);
void update_region(struct vc_data *vc, unsigned long start, int count);
void redraw_screen(struct vc_data *vc, int is_switch);
#define update_screen(x) redraw_screen(x, 0)
#define switch_screen(x) redraw_screen(x, 1)
struct tty_struct;
int tioclinux(struct tty_struct *tty, unsigned long arg);
#ifdef CONFIG_CONSOLE_TRANSLATIONS
/* consolemap.c */
struct unimapinit;
struct unipair;
int con_set_trans_old(unsigned char __user * table);
int con_get_trans_old(unsigned char __user * table);
int con_set_trans_new(unsigned short __user * table);
int con_get_trans_new(unsigned short __user * table);
int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui);
int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list);
int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list);
int con_set_default_unimap(struct vc_data *vc);
void con_free_unimap(struct vc_data *vc);
int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc);
#define vc_translate(vc, c) ((vc)->vc_translate[(c) | \
((vc)->vc_toggle_meta ? 0x80 : 0)])
#else
static inline int con_set_trans_old(unsigned char __user *table)
{
return 0;
}
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static inline int con_get_trans_old(unsigned char __user *table)
{
return -EINVAL;
}
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static inline int con_set_trans_new(unsigned short __user *table)
{
return 0;
}
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static inline int con_get_trans_new(unsigned short __user *table)
{
return -EINVAL;
}
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static inline int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui)
{
return 0;
}
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static inline
int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
{
return 0;
}
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static inline
int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct,
struct unipair __user *list)
{
return -EINVAL;
}
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static inline int con_set_default_unimap(struct vc_data *vc)
{
return 0;
}
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static inline void con_free_unimap(struct vc_data *vc)
{
}
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static inline void con_protect_unimap(struct vc_data *vc, int rdonly)
{
}
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static inline
int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc)
{
return 0;
}
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#define vc_translate(vc, c) (c)
#endif
/* vt.c */
void vt_event_post(unsigned int event, unsigned int old, unsigned int new);
int vt_waitactive(int n);
void change_console(struct vc_data *new_vc);
void reset_vc(struct vc_data *vc);
extern int do_unbind_con_driver(const struct consw *csw, int first, int last,
int deflt);
int vty_init(const struct file_operations *console_fops);
static inline bool vt_force_oops_output(struct vc_data *vc)
{
if (oops_in_progress && vc->vc_panic_force_write && panic_timeout >= 0)
return true;
return false;
}
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extern char vt_dont_switch;
extern int default_utf8;
extern int global_cursor_default;
struct vt_spawn_console {
spinlock_t lock;
struct pid *pid;
int sig;
};
extern struct vt_spawn_console vt_spawn_con;
extern int vt_move_to_console(unsigned int vt, int alloc);
/* Interfaces for VC notification of character events (for accessibility etc) */
struct vt_notifier_param {
struct vc_data *vc; /* VC on which the update happened */
unsigned int c; /* Printed char */
};
extern int register_vt_notifier(struct notifier_block *nb);
extern int unregister_vt_notifier(struct notifier_block *nb);
extern void hide_boot_cursor(bool hide);
/* keyboard provided interfaces */
extern int vt_do_diacrit(unsigned int cmd, void __user *up, int eperm);
extern int vt_do_kdskbmode(int console, unsigned int arg);
extern int vt_do_kdskbmeta(int console, unsigned int arg);
extern int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc,
int perm);
extern int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe,
int perm, int console);
extern int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb,
int perm);
extern int vt_do_kdskled(int console, int cmd, unsigned long arg, int perm);
extern int vt_do_kdgkbmode(int console);
extern int vt_do_kdgkbmeta(int console);
extern void vt_reset_unicode(int console);
extern int vt_get_shift_state(void);
extern void vt_reset_keyboard(int console);
extern int vt_get_leds(int console, int flag);
extern int vt_get_kbd_mode_bit(int console, int bit);
extern void vt_set_kbd_mode_bit(int console, int bit);
extern void vt_clr_kbd_mode_bit(int console, int bit);
extern void vt_set_led_state(int console, int leds);
extern void vt_set_led_state(int console, int leds);
extern void vt_kbd_con_start(int console);
extern void vt_kbd_con_stop(int console);
#endif /* _VT_KERN_H */
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