[Part2 PATCH v7 21/38] KVM: X86: Add CONFIG_KVM_AMD_SEV

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The config option can be used to enable SEV support on AMD Processors.

Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: "Radim Krčmář" <rkrcmar@xxxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>
Cc: x86@xxxxxxxxxx
Cc: kvm@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx>
Reviewed-by: Borislav Petkov <bp@xxxxxxx>
---
 arch/x86/kvm/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 3c48bc8bf08c..86273a0f981a 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -80,6 +80,16 @@ config KVM_AMD
 	  To compile this as a module, choose M here: the module
 	  will be called kvm-amd.
 
+config KVM_AMD_SEV
+	def_bool y
+	bool "AMD Secure Encrypted Virtualization (SEV) support"
+	depends on KVM_AMD && X86_64
+	select CRYPTO_DEV_CCP
+	select CRYPTO_DEV_CCP_DD
+	select CRYPTO_DEV_SP_PSP
+	---help---
+	Provides support for launching Encrypted VMs on AMD processors.
+
 config KVM_MMU_AUDIT
 	bool "Audit KVM MMU"
 	depends on KVM && TRACEPOINTS
-- 
2.9.5




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