WSL2-Linux-Kernel/include/linux/miscdevice.h

#ifndef _LINUX_MISCDEVICE_H
#define _LINUX_MISCDEVICE_H
#include <linux/module.h>
#include <linux/major.h>

#define PSMOUSE_MINOR		1
#define MS_BUSMOUSE_MINOR	2
#define ATIXL_BUSMOUSE_MINOR	3
/*#define AMIGAMOUSE_MINOR	4	FIXME OBSOLETE */
#define ATARIMOUSE_MINOR	5
#define SUN_MOUSE_MINOR		6
#define APOLLO_MOUSE_MINOR	7
#define PC110PAD_MINOR		9
/*#define ADB_MOUSE_MINOR	10	FIXME OBSOLETE */
#define WATCHDOG_MINOR		130	/* Watchdog timer     */
#define TEMP_MINOR		131	/* Temperature Sensor */
#define RTC_MINOR		135
#define EFI_RTC_MINOR		136	/* EFI Time services */
#define SUN_OPENPROM_MINOR	139
#define DMAPI_MINOR		140	/* DMAPI */
#define NVRAM_MINOR		144
#define SGI_MMTIMER		153
#define STORE_QUEUE_MINOR	155
#define I2O_MINOR		166
#define MICROCODE_MINOR		184
#define TUN_MINOR		200
#define MWAVE_MINOR		219	/* ACP/Mwave Modem */
#define MPT_MINOR		220
#define HPET_MINOR		228
#define FUSE_MINOR		229
#define KVM_MINOR		232
#define MISC_DYNAMIC_MINOR	255

struct device;

struct miscdevice  {
	int minor;
	const char *name;
	const struct file_operations *fops;
	struct list_head list;
	struct device *parent;
	struct device *this_device;
};

extern int misc_register(struct miscdevice * misc);
extern int misc_deregister(struct miscdevice *misc);

#define MODULE_ALIAS_MISCDEV(minor)				\
	MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR)	\
	"-" __stringify(minor))
#endif