Re: [PATCH v8 03/40] x86/mm: Extend cc_attr to include AMD SEV-SNP

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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



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