On Wed, Sep 08, 2021 at 05:58:33PM -0500, Tom Lendacky wrote:
> In prep for other confidential computing technologies, introduce a generic
preparation
> helper function, cc_platform_has(), that can be used to check for specific
> active confidential computing attributes, like memory encryption. This is
> intended to eliminate having to add multiple technology-specific checks to
> the code (e.g. if (sev_active() || tdx_active())).
...
> diff --git a/include/linux/cc_platform.h b/include/linux/cc_platform.h
> new file mode 100644
> index 000000000000..253f3ea66cd8
> --- /dev/null
> +++ b/include/linux/cc_platform.h
> @@ -0,0 +1,88 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Confidential Computing Platform Capability checks
> + *
> + * Copyright (C) 2021 Advanced Micro Devices, Inc.
> + *
> + * Author: Tom Lendacky <thomas.lendacky@xxxxxxx>
> + */
> +
> +#ifndef _CC_PLATFORM_H
_LINUX_CC_PLATFORM_H
> +#define _CC_PLATFORM_H
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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