mirror of
https://github.com/Qortal/Brooklyn.git
synced 2025-01-30 14:52:17 +00:00
37 lines
780 B
C
37 lines
780 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* AMD Memory Encryption Support
|
|
*
|
|
* Copyright (C) 2016 Advanced Micro Devices, Inc.
|
|
*
|
|
* Author: Tom Lendacky <thomas.lendacky@amd.com>
|
|
*/
|
|
|
|
#ifndef __MEM_ENCRYPT_H__
|
|
#define __MEM_ENCRYPT_H__
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#ifdef CONFIG_ARCH_HAS_MEM_ENCRYPT
|
|
|
|
#include <asm/mem_encrypt.h>
|
|
|
|
#endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */
|
|
|
|
#ifdef CONFIG_AMD_MEM_ENCRYPT
|
|
/*
|
|
* The __sme_set() and __sme_clr() macros are useful for adding or removing
|
|
* the encryption mask from a value (e.g. when dealing with pagetable
|
|
* entries).
|
|
*/
|
|
#define __sme_set(x) ((x) | sme_me_mask)
|
|
#define __sme_clr(x) ((x) & ~sme_me_mask)
|
|
#else
|
|
#define __sme_set(x) (x)
|
|
#define __sme_clr(x) (x)
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* __MEM_ENCRYPT_H__ */
|