@@ -1203,6 +1203,20 @@ static int tdx_emulate_wrmsr(struct kvm_vcpu *vcpu)
return 1;
}
+static int tdx_get_td_vm_call_info(struct kvm_vcpu *vcpu)
+{
+ if (tdvmcall_a0_read(vcpu))
+ tdvmcall_set_return_code(vcpu, TDG_VP_VMCALL_INVALID_OPERAND);
+ else {
+ tdvmcall_set_return_code(vcpu, TDG_VP_VMCALL_SUCCESS);
+ kvm_r11_write(vcpu, 0);
+ tdvmcall_a0_write(vcpu, 0);
+ tdvmcall_a1_write(vcpu, 0);
+ tdvmcall_a2_write(vcpu, 0);
+ }
+ return 1;
+}
+
static int tdx_report_fatal_error(struct kvm_vcpu *vcpu)
{
/*
@@ -1297,6 +1311,8 @@ static int handle_tdvmcall(struct kvm_vcpu *vcpu)
return tdx_emulate_rdmsr(vcpu);
case EXIT_REASON_MSR_WRITE:
return tdx_emulate_wrmsr(vcpu);
+ case TDG_VP_VMCALL_GET_TD_VM_CALL_INFO:
+ return tdx_get_td_vm_call_info(vcpu);
case TDG_VP_VMCALL_REPORT_FATAL_ERROR:
return tdx_report_fatal_error(vcpu);
case TDG_VP_VMCALL_MAP_GPA: