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[Part2,v6,21/38] KVM: X86: Add CONFIG_KVM_AMD_SEV

Message ID 20171020023413.122280-22-brijesh.singh@amd.com (mailing list archive)
State New, archived
Headers show

Commit Message

Brijesh Singh Oct. 20, 2017, 2:33 a.m. UTC 
The config option can be used to enable SEV support on AMD Processors.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: x86@kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
---
 arch/x86/kvm/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

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