/* SPDX-License-Identifier: GPL-2.0 */

#ifndef MY_IOCTL_H
#define MY_IOCTL_H
#include <linux/ioctl.h>

/*
 * Crucial point here, the kernel defines a set of macros for defining IOCTL numbers:
 *	_IO - No command
 *	_IOR - Read command
 *	_IOW - Write command
 *	_IORW - RW command
 *	_IOC - Basis of the others
 * These macros encode the data type passed to the ioctl.
 */

#define MY_IOCTL_WIPE _IO('k', 0x01)
#define MY_IOCTL_FILL _IO('k', 0x02) /* Name is a placeholder, fills nothing */

#endif // MY-IOCTL_H