| /* |
| * AMD Memory Encryption Support |
| * |
| * Copyright (C) 2016 Advanced Micro Devices, Inc. |
| * |
| * Author: Tom Lendacky <thomas.lendacky@amd.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __X86_MEM_ENCRYPT_H__ |
| #define __X86_MEM_ENCRYPT_H__ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <linux/init.h> |
| |
| #ifdef CONFIG_AMD_MEM_ENCRYPT |
| |
| extern unsigned long sme_me_mask; |
| |
| void __init sme_encrypt_kernel(void); |
| void __init sme_enable(void); |
| |
| #else /* !CONFIG_AMD_MEM_ENCRYPT */ |
| |
| #define sme_me_mask 0UL |
| |
| static inline void __init sme_encrypt_kernel(void) { } |
| static inline void __init sme_enable(void) { } |
| |
| #endif /* CONFIG_AMD_MEM_ENCRYPT */ |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| #endif /* __X86_MEM_ENCRYPT_H__ */ |
