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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179/* SPDX-License-Identifier: GPL-2.0 */#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>
void kd_mksound(unsigned int hz, unsigned int ticks);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, bool from_user);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 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);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)
static inline int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines){ return __vc_resize(vc, cols, lines, false);}
struct tty_struct;int tioclinux(struct tty_struct *tty, unsigned long arg);
#ifdef CONFIG_CONSOLE_TRANSLATIONS/* consolemap.c */
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);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);
#elsestatic inline int con_set_trans_old(unsigned char __user *table){ return 0;}static inline int con_get_trans_old(unsigned char __user *table){ return -EINVAL;}static inline int con_set_trans_new(unsigned short __user *table){ return 0;}static inline int con_get_trans_new(unsigned short __user *table){ return -EINVAL;}static inline int con_clear_unimap(struct vc_data *vc){ return 0;}static inlineint con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list){ return 0;}static inlineint con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list){ return -EINVAL;}static inline int con_set_default_unimap(struct vc_data *vc){ return 0;}static inline void con_free_unimap(struct vc_data *vc){}static inline void con_protect_unimap(struct vc_data *vc, int rdonly){}static inlineint con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc){ return 0;}
#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);int do_unbind_con_driver(const struct consw *csw, int first, int last, int deflt);int vty_init(const struct file_operations *console_fops);
extern bool 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;
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 */};
int register_vt_notifier(struct notifier_block *nb);int unregister_vt_notifier(struct notifier_block *nb);
void hide_boot_cursor(bool hide);
/* keyboard provided interfaces */int vt_do_diacrit(unsigned int cmd, void __user *up, int eperm);int vt_do_kdskbmode(unsigned int console, unsigned int arg);int vt_do_kdskbmeta(unsigned int console, unsigned int arg);int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc, int perm);int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, unsigned int console);int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm);int vt_do_kdskled(unsigned int console, int cmd, unsigned long arg, int perm);int vt_do_kdgkbmode(unsigned int console);int vt_do_kdgkbmeta(unsigned int console);void vt_reset_unicode(unsigned int console);int vt_get_shift_state(void);void vt_reset_keyboard(unsigned int console);int vt_get_leds(unsigned int console, int flag);int vt_get_kbd_mode_bit(unsigned int console, int bit);void vt_set_kbd_mode_bit(unsigned int console, int bit);void vt_clr_kbd_mode_bit(unsigned int console, int bit);void vt_set_led_state(unsigned int console, int leds);void vt_kbd_con_start(unsigned int console);void vt_kbd_con_stop(unsigned int console);
#endif /* _VT_KERN_H */