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| author |   Tom Lendacky <thomas.lendacky@amd.com> | 2017-10-20 09:30:44 -0500 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2017-11-07 15:35:54 +0100 |
| commit | d8aa7eea78a1401cce39b3bb61ead0150044a3df (patch) | |
| tree | 8578eb975c77968db7003b83d1c670ff27b35451 /include/linux/mem_encrypt.h | |
| parent | Documentation/x86: Add AMD Secure Encrypted Virtualization (SEV) description (diff) | |
| download | wireguard-linux-d8aa7eea78a1401cce39b3bb61ead0150044a3df.tar.xz wireguard-linux-d8aa7eea78a1401cce39b3bb61ead0150044a3df.zip | |
x86/mm: Add Secure Encrypted Virtualization (SEV) support
Provide support for Secure Encrypted Virtualization (SEV). This initial
support defines a flag that is used by the kernel to determine if it is
running with SEV active.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Tested-by: Borislav Petkov <bp@suse.de>
Cc: kvm@vger.kernel.org
Cc: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20171020143059.3291-3-brijesh.singh@amd.com
Diffstat (limited to 'include/linux/mem_encrypt.h')
| -rw-r--r-- | include/linux/mem_encrypt.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/mem_encrypt.h b/include/linux/mem_encrypt.h index 265a9cd21cb4..b310a9c18113 100644 --- a/include/linux/mem_encrypt.h +++ b/include/linux/mem_encrypt.h @@ -23,11 +23,14 @@ #define sme_me_mask 0ULL +static inline bool sme_active(void) { return false; } +static inline bool sev_active(void) { return false; } + #endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */ -static inline bool sme_active(void) +static inline bool mem_encrypt_active(void) { - return !!sme_me_mask; + return sme_me_mask; } static inline u64 sme_get_me_mask(void) |