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[PATCH v5 12/26] i386: Add feature control MSR dependency when SGX is en
From: |
Paolo Bonzini |
Subject: |
[PATCH v5 12/26] i386: Add feature control MSR dependency when SGX is enabled |
Date: |
Fri, 24 Sep 2021 13:24:55 +0200 |
From: Sean Christopherson <sean.j.christopherson@intel.com>
SGX adds multiple flags to FEATURE_CONTROL to enable SGX and Flexible
Launch Control.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20210719112136.57018-12-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/kvm/kvm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 11551648f9..6dc40161e0 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -1877,6 +1877,11 @@ int kvm_arch_init_vcpu(CPUState *cs)
!!(c->ecx & CPUID_EXT_SMX);
}
+ c = cpuid_find_entry(&cpuid_data.cpuid, 7, 0);
+ if (c && (c->ebx & CPUID_7_0_EBX_SGX)) {
+ has_msr_feature_control = true;
+ }
+
if (env->mcg_cap & MCG_LMCE_P) {
has_msr_mcg_ext_ctl = has_msr_feature_control = true;
}
--
2.31.1
- [PATCH v5 00/26] Qemu SGX virtualization, Paolo Bonzini, 2021/09/24
- [PATCH v5 01/26] memory: Add RAM_PROTECTED flag to skip IOMMU mappings, Paolo Bonzini, 2021/09/24
- [PATCH v5 06/26] vl: Add sgx compound properties to expose SGX EPC sections to guest, Paolo Bonzini, 2021/09/24
- [PATCH v5 02/26] Kconfig: Add CONFIG_SGX support, Paolo Bonzini, 2021/09/24
- [PATCH v5 04/26] qom: Add memory-backend-epc ObjectOptions support, Paolo Bonzini, 2021/09/24
- [PATCH v5 09/26] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EBX, Paolo Bonzini, 2021/09/24
- [PATCH v5 10/26] i386: Add SGX CPUID leaf FEAT_SGX_12_1_EAX, Paolo Bonzini, 2021/09/24
- [PATCH v5 12/26] i386: Add feature control MSR dependency when SGX is enabled,
Paolo Bonzini <=
- [PATCH v5 13/26] i386: Update SGX CPUID info according to hardware/KVM/user input, Paolo Bonzini, 2021/09/24
- [PATCH v5 15/26] i386: Propagate SGX CPUID sub-leafs to KVM, Paolo Bonzini, 2021/09/24
- [PATCH v5 05/26] i386: Add 'sgx-epc' device to expose EPC sections to guest, Paolo Bonzini, 2021/09/24
- [PATCH v5 16/26] Adjust min CPUID level to 0x12 when SGX is enabled, Paolo Bonzini, 2021/09/24
- [PATCH v5 18/26] hw/i386/pc: Account for SGX EPC sections when calculating device memory, Paolo Bonzini, 2021/09/24
- [PATCH v5 11/26] i386: Add get/set/migrate support for SGX_LEPUBKEYHASH MSRs, Paolo Bonzini, 2021/09/24
- [PATCH v5 03/26] hostmem: Add hostmem-epc as a backend for SGX EPC, Paolo Bonzini, 2021/09/24
- [PATCH v5 07/26] i386: Add primary SGX CPUID and MSR defines, Paolo Bonzini, 2021/09/24
- [PATCH v5 08/26] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EAX, Paolo Bonzini, 2021/09/24