xref: /openbmc/linux/security/landlock/limits.h (revision 7ae9fb1b7ecbb5d85d07857943f677fd1a559b18)
1ae271c1bSMickaël Salaün /* SPDX-License-Identifier: GPL-2.0-only */
2ae271c1bSMickaël Salaün /*
3ae271c1bSMickaël Salaün  * Landlock LSM - Limits for different components
4ae271c1bSMickaël Salaün  *
5ae271c1bSMickaël Salaün  * Copyright © 2016-2020 Mickaël Salaün <mic@digikod.net>
6ae271c1bSMickaël Salaün  * Copyright © 2018-2020 ANSSI
7ae271c1bSMickaël Salaün  */
8ae271c1bSMickaël Salaün 
9ae271c1bSMickaël Salaün #ifndef _SECURITY_LANDLOCK_LIMITS_H
10ae271c1bSMickaël Salaün #define _SECURITY_LANDLOCK_LIMITS_H
11ae271c1bSMickaël Salaün 
125f2ff33eSMickaël Salaün #include <linux/bitops.h>
13ae271c1bSMickaël Salaün #include <linux/limits.h>
14cb2c7d1aSMickaël Salaün #include <uapi/linux/landlock.h>
15ae271c1bSMickaël Salaün 
166cc2df8eSMickaël Salaün /* clang-format off */
176cc2df8eSMickaël Salaün 
1875c542d6SMickaël Salaün #define LANDLOCK_MAX_NUM_LAYERS		16
19ae271c1bSMickaël Salaün #define LANDLOCK_MAX_NUM_RULES		U32_MAX
20ae271c1bSMickaël Salaün 
21*b9f5ce27SGünther Noack #define LANDLOCK_LAST_ACCESS_FS		LANDLOCK_ACCESS_FS_TRUNCATE
22cb2c7d1aSMickaël Salaün #define LANDLOCK_MASK_ACCESS_FS		((LANDLOCK_LAST_ACCESS_FS << 1) - 1)
235f2ff33eSMickaël Salaün #define LANDLOCK_NUM_ACCESS_FS		__const_hweight64(LANDLOCK_MASK_ACCESS_FS)
24cb2c7d1aSMickaël Salaün 
256cc2df8eSMickaël Salaün /* clang-format on */
266cc2df8eSMickaël Salaün 
27ae271c1bSMickaël Salaün #endif /* _SECURITY_LANDLOCK_LIMITS_H */
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