Function test_setup_msrs

vmm/src/cpu.rs:3344–3371

()

    #[test]
    fn test_setup_msrs() {
        use hypervisor::arch::x86::{MsrEntry, msr_index};

        let hv = hypervisor::new().unwrap();
        let vm = hv
            .create_vm(HypervisorVmConfig::default())
            .expect("new VM fd creation failed");
        let vcpu = vm.create_vcpu(0, None).unwrap();
        setup_msrs(vcpu.as_ref()).unwrap();

        // This test will check against the last MSR entry configured (the tenth one).
        // See create_msr_entries for details.
        let mut msrs = vec![MsrEntry {
            index: msr_index::MSR_IA32_MISC_ENABLE,
            ..Default::default()
        }];

        // get_msrs returns the number of msrs that it succeed in reading. We only want to read 1
        // in this test case scenario.
        let read_msrs = vcpu.get_msrs(&mut msrs).unwrap();
        assert_eq!(read_msrs, 1);

        // Official entries that were setup when we did setup_msrs. We need to assert that the
        // tenth one (i.e the one with index msr_index::MSR_IA32_MISC_ENABLE has the data we
        // expect.
        let entry_vec = vcpu.boot_msr_entries();
        assert_eq!(entry_vec[9], msrs.as_slice()[0]);
    }

    #[test]
    fn test_setup_regs_for_pvh() {