[PATCH v2 04/12] powerpc/pseries/svm: Add a powerpc version of prot_guest_has()
Michael Ellerman
mpe at ellerman.id.au
Tue Aug 17 12:38:19 UTC 2021
Tom Lendacky <thomas.lendacky at amd.com> writes:
> Introduce a powerpc version of the prot_guest_has() function. This will
> be used to replace the powerpc mem_encrypt_active() implementation, so
> the implementation will initially only support the PATTR_MEM_ENCRYPT
> attribute.
>
> Cc: Michael Ellerman <mpe at ellerman.id.au>
> Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> Cc: Paul Mackerras <paulus at samba.org>
> Signed-off-by: Tom Lendacky <thomas.lendacky at amd.com>
> ---
> arch/powerpc/include/asm/protected_guest.h | 30 ++++++++++++++++++++++
> arch/powerpc/platforms/pseries/Kconfig | 1 +
> 2 files changed, 31 insertions(+)
> create mode 100644 arch/powerpc/include/asm/protected_guest.h
>
> diff --git a/arch/powerpc/include/asm/protected_guest.h b/arch/powerpc/include/asm/protected_guest.h
> new file mode 100644
> index 000000000000..ce55c2c7e534
> --- /dev/null
> +++ b/arch/powerpc/include/asm/protected_guest.h
> @@ -0,0 +1,30 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Protected Guest (and Host) Capability checks
> + *
> + * Copyright (C) 2021 Advanced Micro Devices, Inc.
> + *
> + * Author: Tom Lendacky <thomas.lendacky at amd.com>
> + */
> +
> +#ifndef _POWERPC_PROTECTED_GUEST_H
> +#define _POWERPC_PROTECTED_GUEST_H
Minor nit, we would usually use _ASM_POWERPC_PROTECTED_GUEST_H
Otherwise looks OK to me.
Acked-by: Michael Ellerman <mpe at ellerman.id.au>
cheers
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