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hv: nested: fix bugs in init_vmx_msrs() 

Currently init_vmx_msrs() emulates same value for the IA32_VMX_xxx_CTLS
and IA32_VMX_TRUE_xxx_CTLS MSRs.

But the value of physical MSRs could be different between the pair,
and we need to adjust the emulated value accordingly.

Tracked-On: #6289
Signed-off-by: Zide Chen <zide.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Zide Chen 2021-07-05 17:41:03 -07:00 committed by wenlingz
parent ad37553873
commit 2e6cf2b85b
1 changed files with 5 additions and 1 deletions
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6
hypervisor/arch/x86/guest/nested.c
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@ -118,8 +118,9 @@ void init_vmx_msrs(struct acrn_vcpu *vcpu)
| VMX_PINBASED_CTLS_NMI_EXIT
| VMX_PINBASED_CTLS_ENABLE_PTMR;
msr_value = adjust_vmx_ctrls(MSR_IA32_VMX_PINBASED_CTLS, request_bits);
vcpu_set_guest_msr(vcpu, MSR_IA32_VMX_TRUE_PINBASED_CTLS, msr_value);
vcpu_set_guest_msr(vcpu, MSR_IA32_VMX_PINBASED_CTLS, msr_value);
msr_value = adjust_vmx_ctrls(MSR_IA32_VMX_TRUE_PINBASED_CTLS, request_bits);
vcpu_set_guest_msr(vcpu, MSR_IA32_VMX_TRUE_PINBASED_CTLS, msr_value);
/* MSR_IA32_VMX_PROCBASED_CTLS */
request_bits = VMX_PROCBASED_CTLS_IRQ_WIN | VMX_PROCBASED_CTLS_TSC_OFF
@ -133,6 +134,7 @@ void init_vmx_msrs(struct acrn_vcpu *vcpu)
| VMX_PROCBASED_CTLS_PAUSE | VMX_PROCBASED_CTLS_SECONDARY;
msr_value = adjust_vmx_ctrls(MSR_IA32_VMX_PROCBASED_CTLS, request_bits);
vcpu_set_guest_msr(vcpu, MSR_IA32_VMX_PROCBASED_CTLS, msr_value);
msr_value = adjust_vmx_ctrls(MSR_IA32_VMX_TRUE_PROCBASED_CTLS, request_bits);
vcpu_set_guest_msr(vcpu, MSR_IA32_VMX_TRUE_PROCBASED_CTLS, msr_value);
/* MSR_IA32_VMX_PROCBASED_CTLS2 */
@ -151,6 +153,7 @@ void init_vmx_msrs(struct acrn_vcpu *vcpu)
| VMX_EXIT_CTLS_LOAD_EFER;
msr_value = adjust_vmx_ctrls(MSR_IA32_VMX_EXIT_CTLS, request_bits);
vcpu_set_guest_msr(vcpu, MSR_IA32_VMX_EXIT_CTLS, msr_value);
msr_value = adjust_vmx_ctrls(MSR_IA32_VMX_TRUE_EXIT_CTLS, request_bits);
vcpu_set_guest_msr(vcpu, MSR_IA32_VMX_TRUE_EXIT_CTLS, msr_value);
/* MSR_IA32_VMX_ENTRY_CTLS */
@ -159,6 +162,7 @@ void init_vmx_msrs(struct acrn_vcpu *vcpu)
| VMX_ENTRY_CTLS_LOAD_EFER;
msr_value = adjust_vmx_ctrls(MSR_IA32_VMX_ENTRY_CTLS, request_bits);
vcpu_set_guest_msr(vcpu, MSR_IA32_VMX_ENTRY_CTLS, msr_value);
msr_value = adjust_vmx_ctrls(MSR_IA32_VMX_TRUE_ENTRY_CTLS, request_bits);
vcpu_set_guest_msr(vcpu, MSR_IA32_VMX_TRUE_ENTRY_CTLS, msr_value);
msr_value = msr_read(MSR_IA32_VMX_EPT_VPID_CAP);