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hv: keylocker: Enable the tertiary VM-execution controls

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In order for a VMM to capture the IWKey values of guests, processors
that support Key Locker also support a new "LOADIWKEY exiting"
VM-execution control in bit 0 of the tertiary processor-based
VM-execution controls.

This patch enables the tertiary VM-execution controls.

Tracked-On: #5695
Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Shuo A Liu
2020-08-24 20:00:28 +08:00
committed by wenlingz
parent e9247dbca0
commit 4483e93bd1
3 changed files with 4 additions and 1 deletions
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3
hypervisor/arch/x86/guest/vmcs.c
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@@ -266,6 +266,7 @@ static void init_exec_ctrl(struct acrn_vcpu *vcpu)
* guest access to IO bit-mapped ports causes VM exit
* guest access to MSR causes VM exit
* Activate secondary controls
* Activate tertiary controls
*/
/* These are bits 1,4-6,8,13-16, and 26, the corresponding bits of
* the IA32_VMX_PROCBASED_CTRLS MSR are always read as 1 --- A.3.2
@@ -273,7 +274,7 @@ static void init_exec_ctrl(struct acrn_vcpu *vcpu)
value32 = check_vmx_ctrl(MSR_IA32_VMX_PROCBASED_CTLS,
VMX_PROCBASED_CTLS_TSC_OFF | VMX_PROCBASED_CTLS_TPR_SHADOW |
VMX_PROCBASED_CTLS_IO_BITMAP | VMX_PROCBASED_CTLS_MSR_BITMAP |
VMX_PROCBASED_CTLS_HLT | VMX_PROCBASED_CTLS_SECONDARY);
VMX_PROCBASED_CTLS_HLT | VMX_PROCBASED_CTLS_SECONDARY | VMX_PROCBASED_CTLS_TERTIARY);
/*Disable VM_EXIT for CR3 access*/
value32 &= ~(VMX_PROCBASED_CTLS_CR3_LOAD | VMX_PROCBASED_CTLS_CR3_STORE);