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[Qemu-devel] [RFC PATCH v3 16/18] target-i386: add cpuid Fn8000_001f
From: |
Brijesh Singh |
Subject: |
[Qemu-devel] [RFC PATCH v3 16/18] target-i386: add cpuid Fn8000_001f |
Date: |
Tue, 1 Nov 2016 11:54:34 -0400 |
User-agent: |
StGit/0.17.1-dirty |
Fn8000_001f cpuid provides the memory encryption (aka C-bit) location
in a page table for the SEV-enabled guest.
Signed-off-by: Brijesh Singh <address@hidden>
---
target-i386/cpu.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 83998a8..9dc7b4f 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -34,6 +34,7 @@
#include "qapi-visit.h"
#include "qapi/visitor.h"
#include "sysemu/arch_init.h"
+#include "sysemu/sev.h"
#if defined(CONFIG_KVM)
#include <linux/kvm_para.h>
@@ -2733,6 +2734,11 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index,
uint32_t count,
*edx = 0;
}
break;
+ case 0x8000001F:
+ if (sev_enabled()) {
+ host_cpuid(index, 0, eax, ebx, ecx, edx);
+ }
+ break;
case 0xC0000000:
*eax = env->cpuid_xlevel2;
*ebx = 0;
- [Qemu-devel] [RFC PATCH v3 05/18] core: add new security-policy object, (continued)
- [Qemu-devel] [RFC PATCH v3 05/18] core: add new security-policy object, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 06/18] kvm: add memory encryption APIs, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 07/18] sev: add Secure Encrypted Virtulization (SEV) support, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 08/18] hmp: display memory encryption support in 'info kvm', Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 09/18] core: loader: create memory encryption context before copying data, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 10/18] sev: add LAUNCH_START command, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 11/18] sev: add LAUNCH_UPDATE command, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 12/18] sev: add LAUNCH_FINISH command, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 13/18] sev: add DEBUG_DECRYPT command, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 14/18] sev: add DEBUG_ENCRYPT command, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 16/18] target-i386: add cpuid Fn8000_001f,
Brijesh Singh <=
- [Qemu-devel] [RFC PATCH v3 17/18] i386: clear C-bit in SEV guest page table walk, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 18/18] migration: disable save/restore and migration on SEV guest, Brijesh Singh, 2016/11/01
- [Qemu-devel] [RFC PATCH v3 15/18] i386: register memory encryption ops, Brijesh Singh, 2016/11/01
- Re: [Qemu-devel] [RFC PATCH v3 00/18] x86: Secure Encrypted Virtualization (AMD), no-reply, 2016/11/01
- Re: [Qemu-devel] [RFC PATCH v3 00/18] x86: Secure Encrypted Virtualization (AMD), no-reply, 2016/11/01