Re: [PATCH v8 03/40] x86/mm: Extend cc_attr to include AMD SEV-SNP
From: Borislav Petkov <bp@alien8.de>
Date: 2021-12-14 15:53:53
Also in:
kvm, linux-coco, lkml, platform-driver-x86
From: Borislav Petkov <bp@alien8.de>
Date: 2021-12-14 15:53:53
Also in:
kvm, linux-coco, lkml, platform-driver-x86
On Fri, Dec 10, 2021 at 09:42:55AM -0600, Brijesh Singh wrote:
diff --git a/include/linux/cc_platform.h b/include/linux/cc_platform.h index a075b70b9a70..ef5e2209c9b8 100644 --- a/include/linux/cc_platform.h +++ b/include/linux/cc_platform.h@@ -61,6 +61,14 @@ enum cc_attr { * Examples include SEV-ES. */ CC_ATTR_GUEST_STATE_ENCRYPT, + + /** + * @CC_ATTR_SEV_SNP: Guest SNP is active. + * + * The platform/OS is running as a guest/virtual machine and actively + * using AMD SEV-SNP features. + */ + CC_ATTR_SEV_SNP = 0x100,
I guess CC_ATTR_GUEST_SEV_SNP. The Intel is called CC_ATTR_GUEST_TDX so
at least they all say it is a guest thing, this way.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette