kvm: svm: Add SEV feature definitions to KVM

Web:        https://git.kernel.org/torvalds/c/ba7c3398dc7eedbbe9d19a17ce3ab98349079fc7
Commit:     ba7c3398dc7eedbbe9d19a17ce3ab98349079fc7
Parent:     cea3a19b007a690a40fac373f22bf34ea69761a2
Refname:    refs/heads/master
Author:     Tom Lendacky <[email protected]>
AuthorDate: Mon Dec 4 10:57:24 2017 -0600
Committer:  Brijesh Singh <[email protected]>
CommitDate: Mon Dec 4 10:57:24 2017 -0600

    kvm: svm: Add SEV feature definitions to KVM
    
    Define the SEV enable bit for the VMCB control structure. The hypervisor
    will use this bit to enable SEV in the guest.
    
    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: [email protected]
    Cc: [email protected]
    Cc: [email protected]
    Signed-off-by: Tom Lendacky <[email protected]>
    Signed-off-by: Brijesh Singh <[email protected]>
    Reviewed-by: Borislav Petkov <[email protected]>
---
 arch/x86/include/asm/svm.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index c936c9824405..0487ac054870 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -147,6 +147,7 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
 #define SVM_VM_CR_SVM_DIS_MASK  0x0010ULL
 
 #define SVM_NESTED_CTL_NP_ENABLE	BIT(0)
+#define SVM_NESTED_CTL_SEV_ENABLE	BIT(1)
 
 struct __attribute__ ((__packed__)) vmcb_seg {
 	u16 selector;
--
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