KVM: X86: Add CONFIG_KVM_AMD_SEV

Web:        https://git.kernel.org/torvalds/c/5dd0a57cf38eeb8b6be1d9c3df9add2f5756d974
Commit:     5dd0a57cf38eeb8b6be1d9c3df9add2f5756d974
Parent:     76a2b524a4b1d6dc0f2421f9854a01d55d5e5436
Refname:    refs/heads/master
Author:     Brijesh Singh <[email protected]>
AuthorDate: Mon Dec 4 10:57:32 2017 -0600
Committer:  Brijesh Singh <[email protected]>
CommitDate: Mon Dec 4 10:57:32 2017 -0600

    KVM: X86: Add CONFIG_KVM_AMD_SEV
    
    The config option can be used to enable SEV support on AMD Processors.
    
    Cc: Thomas Gleixner <[email protected]>
    Cc: Ingo Molnar <[email protected]>
    Cc: "H. Peter Anvin" <[email protected]>
    Cc: Paolo Bonzini <[email protected]>
    Cc: "Radim Krčmář" <[email protected]>
    Cc: Joerg Roedel <[email protected]>
    Cc: Borislav Petkov <[email protected]>
    Cc: Tom Lendacky <[email protected]>
    Cc: [email protected]
    Cc: [email protected]
    Cc: [email protected]
    Signed-off-by: Brijesh Singh <[email protected]>
    Reviewed-by: Borislav Petkov <[email protected]>
---
 arch/x86/kvm/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 3df51c287844..148ea324b90c 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -81,6 +81,16 @@ 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
--
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