lkml.org 
[lkml]   [2017]   [Dec]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[Part2 PATCH v9 04/38] kvm: svm: Add SEV feature definitions to KVM
Date
From: Tom Lendacky <thomas.lendacky@amd.com>

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 <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>
---
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;
--
2.9.5
\
 
 \ /
  Last update: 2017-12-05 02:17    [W:0.246 / U:0.504 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site