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[RESEND PATCH 11/32] i386: Add feature control MSR dependency when SGX i
From: |
Yang Zhong |
Subject: |
[RESEND PATCH 11/32] i386: Add feature control MSR dependency when SGX is enabled |
Date: |
Fri, 30 Apr 2021 14:24:34 +0800 |
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>
---
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 4463d638c4..fa495a6f9e 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -1789,6 +1789,11 @@ 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;
}
--
2.29.2.334.gfaefdd61ec
- [RESEND PATCH 00/32] Qemu SGX virtualization, Yang Zhong, 2021/04/30
- [RESEND PATCH 02/32] hostmem: Add hostmem-epc as a backend for SGX EPC, Yang Zhong, 2021/04/30
- [RESEND PATCH 01/32] memory: Add RAM_PROTECTED flag to skip IOMMU mappings, Yang Zhong, 2021/04/30
- [RESEND PATCH 03/32] qom: Add memory-backend-epc ObjectOptions support, Yang Zhong, 2021/04/30
- [RESEND PATCH 08/32] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EBX, Yang Zhong, 2021/04/30
- [RESEND PATCH 04/32] i386: Add 'sgx-epc' device to expose EPC sections to guest, Yang Zhong, 2021/04/30
- [RESEND PATCH 06/32] i386: Add primary SGX CPUID and MSR defines, Yang Zhong, 2021/04/30
- [RESEND PATCH 05/32] vl: Add "sgx-epc" option to expose SGX EPC sections to guest, Yang Zhong, 2021/04/30
- [RESEND PATCH 11/32] i386: Add feature control MSR dependency when SGX is enabled,
Yang Zhong <=
- [RESEND PATCH 13/32] linux-headers: Add placeholder for KVM_CAP_SGX_ATTRIBUTE, Yang Zhong, 2021/04/30
- [RESEND PATCH 12/32] i386: Update SGX CPUID info according to hardware/KVM/user input, Yang Zhong, 2021/04/30
- [RESEND PATCH 07/32] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EAX, Yang Zhong, 2021/04/30
- [RESEND PATCH 09/32] i386: Add SGX CPUID leaf FEAT_SGX_12_1_EAX, Yang Zhong, 2021/04/30
- [RESEND PATCH 10/32] i386: Add get/set/migrate support for SGX_LEPUBKEYHASH MSRs, Yang Zhong, 2021/04/30
- [RESEND PATCH 14/32] i386: kvm: Add support for exposing PROVISIONKEY to guest, Yang Zhong, 2021/04/30
- [RESEND PATCH 15/32] i386: Propagate SGX CPUID sub-leafs to KVM, Yang Zhong, 2021/04/30
- [RESEND PATCH 17/32] hw/i386/fw_cfg: Set SGX bits in feature control fw_cfg accordingly, Yang Zhong, 2021/04/30
- [RESEND PATCH 16/32] Adjust min CPUID level to 0x12 when SGX is enabled, Yang Zhong, 2021/04/30
- [RESEND PATCH 18/32] hw/i386/pc: Account for SGX EPC sections when calculating device memory, Yang Zhong, 2021/04/30