acrn-kernel/security/landlock/limits.h

28 lines
726 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Landlock LSM - Limits for different components
*
* Copyright © 2016-2020 Mickaël Salaün <mic@digikod.net>
* Copyright © 2018-2020 ANSSI
*/
#ifndef _SECURITY_LANDLOCK_LIMITS_H
#define _SECURITY_LANDLOCK_LIMITS_H
#include <linux/bitops.h>
#include <linux/limits.h>
#include <uapi/linux/landlock.h>
/* clang-format off */
#define LANDLOCK_MAX_NUM_LAYERS 16
#define LANDLOCK_MAX_NUM_RULES U32_MAX
#define LANDLOCK_LAST_ACCESS_FS LANDLOCK_ACCESS_FS_REFER
#define LANDLOCK_MASK_ACCESS_FS ((LANDLOCK_LAST_ACCESS_FS << 1) - 1)
#define LANDLOCK_NUM_ACCESS_FS __const_hweight64(LANDLOCK_MASK_ACCESS_FS)
/* clang-format on */
#endif /* _SECURITY_LANDLOCK_LIMITS_H */