diff options
| author | Tom Lendacky <thomas.lendacky@amd.com> | 2017-12-04 17:57:24 +0100 |
|---|---|---|
| committer | Brijesh Singh <brijesh.singh@amd.com> | 2017-12-04 17:57:24 +0100 |
| commit | cea3a19b007a690a40fac373f22bf34ea69761a2 (patch) | |
| tree | 0a678246c69d06d20178c9d82455c7253a38fd21 /arch/x86/include/asm/svm.h | |
| parent | x86/CPU/AMD: Add the Secure Encrypted Virtualization CPU feature (diff) | |
| download | linux-cea3a19b007a690a40fac373f22bf34ea69761a2.tar.xz linux-cea3a19b007a690a40fac373f22bf34ea69761a2.zip | |
kvm: svm: prepare for new bit definition in nested_ctl
Currently the nested_ctl variable in the vmcb_control_area structure is
used to indicate nested paging support. The nested paging support field
is actually defined as bit 0 of the field. In order to support a new
feature flag the usage of the nested_ctl and nested paging support must
be converted to operate on a single bit.
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: x86@kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/include/asm/svm.h')
| -rw-r--r-- | arch/x86/include/asm/svm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index 78dd9df88157..c936c9824405 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -146,6 +146,8 @@ struct __attribute__ ((__packed__)) vmcb_control_area { #define SVM_VM_CR_SVM_LOCK_MASK 0x0008ULL #define SVM_VM_CR_SVM_DIS_MASK 0x0010ULL +#define SVM_NESTED_CTL_NP_ENABLE BIT(0) + struct __attribute__ ((__packed__)) vmcb_seg { u16 selector; u16 attrib; |