1 files changed, 174 insertions, 0 deletions
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
new file mode 100644
index 000000000..c1f5aebef
--- /dev/null
+++ b/include/linux/vt_kern.h
@@ -0,0 +1,174 @@
+/* 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);
+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)
+
+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);
+
+#else
+static 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 inline
+int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
+{
+	return 0;
+}
+static inline
+int 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 inline
+int 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);
+
+void vc_scrolldelta_helper(struct vc_data *c, int lines,
+		unsigned int rolled_over, void *_base, unsigned int size);
+
+#endif /* _VT_KERN_H */