/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright (c) 2022, Google LLC
 */

#ifndef _LINUX_LOOP_LOADPIN_H
#define _LINUX_LOOP_LOADPIN_H

#define LOADPIN_IOC_MAGIC 'L'

/**
 * LOADPIN_IOC_SET_TRUSTED_VERITY_DIGESTS - Set up the root digests of verity
 * devices that loadpin should trust.
 *
 * Takes a file descriptor from which to read the root digests of trusted verity
 * devices. The file is expected to contain a list of digests in ASCII format,
 * with one line per digest. The ioctl must be issued on the securityfs
 * attribute 'loadpin/dm-verity' (which can be typically found under
 * /sys/kernel/security/loadpin/dm-verity).
 */
#define LOADPIN_IOC_SET_TRUSTED_VERITY_DIGESTS \
	_IOW(LOADPIN_IOC_MAGIC, 0x00, unsigned int)

#endif /* _LINUX_LOOP_LOADPIN_H */