# -*- python -*-
#
# Builtin libxl types
#

namespace("libxl_")

libxl_defbool = Builtin("defbool", json_parse_type="JSON_STRING", passby=PASS_BY_REFERENCE, copy_fn=None,
                        check_default_fn="libxl__defbool_is_default")
libxl_domid = Builtin("domid", json_gen_fn = "yajl_gen_integer", json_parse_fn = "libxl__uint32_parse_json",
                      json_parse_type = "JSON_INTEGER", autogenerate_json = False, copy_fn=None)
libxl_devid = Builtin("devid", json_gen_fn = "yajl_gen_integer", json_parse_fn = "libxl__int_parse_json",
                      json_parse_type = "JSON_INTEGER", autogenerate_json = False, signed = True, init_val="-1",
                      copy_fn=None)
libxl_uuid = Builtin("uuid", json_parse_type="JSON_STRING", passby=PASS_BY_REFERENCE, check_default_fn="libxl_uuid_is_nil",
                     copy_fn="libxl_uuid_copy")
libxl_mac = Builtin("mac", json_parse_type="JSON_STRING", passby=PASS_BY_REFERENCE, check_default_fn="libxl__mac_is_default",
                    copy_fn="libxl_mac_copy")
libxl_bitmap = Builtin("bitmap", json_parse_type="JSON_ARRAY", dispose_fn="libxl_bitmap_dispose", passby=PASS_BY_REFERENCE,
                       check_default_fn="libxl_bitmap_is_empty", copy_fn="libxl_bitmap_copy_alloc")
libxl_cpuid_policy_list = Builtin("cpuid_policy_list", dispose_fn="libxl_cpuid_dispose", passby=PASS_BY_REFERENCE,
                                  json_parse_type="JSON_ARRAY", check_default_fn="libxl__cpuid_policy_is_empty",
                                  copy_fn="libxl_cpuid_policy_list_copy")

libxl_string_list = Builtin("string_list", dispose_fn="libxl_string_list_dispose", passby=PASS_BY_REFERENCE,
                            json_parse_type="JSON_ARRAY", check_default_fn="libxl__string_list_is_empty",
                            copy_fn="libxl_string_list_copy")
libxl_key_value_list = Builtin("key_value_list", dispose_fn="libxl_key_value_list_dispose", passby=PASS_BY_REFERENCE,
                               json_parse_type="JSON_MAP", check_default_fn="libxl__key_value_list_is_empty",
                               copy_fn="libxl_key_value_list_copy")
libxl_hwcap = Builtin("hwcap", passby=PASS_BY_REFERENCE, json_parse_type="JSON_ARRAY",
                      check_default_fn="libxl__hwcap_is_default", copy_fn="libxl_hwcap_copy")
libxl_ms_vm_genid = Builtin("ms_vm_genid", passby=PASS_BY_REFERENCE, check_default_fn="libxl_ms_vm_genid_is_zero",
                            copy_fn="libxl_ms_vm_genid_copy")

#
# Specific integer types
#

MemKB = UInt(64, init_val = "LIBXL_MEMKB_DEFAULT", json_gen_fn = "libxl__uint64_gen_json")

#
# Constants / Enumerations
#

libxl_error = Enumeration("error", [
    (-1, "NONSPECIFIC"),
    (-2, "VERSION"),
    (-3, "FAIL"),
    (-4, "NI"),
    (-5, "NOMEM"),
    (-6, "INVAL"),
    (-7, "BADFAIL"),
    (-8, "GUEST_TIMEDOUT"),
    (-9, "TIMEDOUT"),
    (-10, "NOPARAVIRT"),
    (-11, "NOT_READY"),
    (-12, "OSEVENT_REG_FAIL"),
    (-13, "BUFFERFULL"),
    (-14, "UNKNOWN_CHILD"),
    (-15, "LOCK_FAIL"),
    (-16, "JSON_CONFIG_EMPTY"),
    (-17, "DEVICE_EXISTS"),
    (-18, "REMUS_DEVOPS_DOES_NOT_MATCH"),
    (-19, "REMUS_DEVICE_NOT_SUPPORTED"),
    ], value_namespace = "")

libxl_domain_type = Enumeration("domain_type", [
    (-1, "INVALID"),
    (1, "HVM"),
    (2, "PV"),
    ], init_val = "LIBXL_DOMAIN_TYPE_INVALID")

libxl_channel_connection = Enumeration("channel_connection", [
    (0, "UNKNOWN"),
    (1, "PTY"),
    (2, "SOCKET"), # a listening Unix domain socket
    ])

libxl_device_model_version = Enumeration("device_model_version", [
    (0, "UNKNOWN"),
    (1, "QEMU_XEN_TRADITIONAL"), # Historical qemu-xen device model (qemu-dm)
    (2, "QEMU_XEN"),             # Upstream based qemu-xen device model
    ])

libxl_console_type = Enumeration("console_type", [
    (0, "UNKNOWN"),
    (1, "SERIAL"),
    (2, "PV"),
    ])

libxl_disk_format = Enumeration("disk_format", [
    (0, "UNKNOWN"),
    (1, "QCOW"),
    (2, "QCOW2"),
    (3, "VHD"),
    (4, "RAW"),
    (5, "EMPTY"),
    ])

libxl_disk_backend = Enumeration("disk_backend", [
    (0, "UNKNOWN"),
    (1, "PHY"),
    (2, "TAP"),
    (3, "QDISK"),
    ])

libxl_nic_type = Enumeration("nic_type", [
    (0, "UNKNOWN"),
    (1, "VIF_IOEMU"),
    (2, "VIF"),
    ])

libxl_action_on_shutdown = Enumeration("action_on_shutdown", [
    (1, "DESTROY"),

    (2, "RESTART"),
    (3, "RESTART_RENAME"),

    (4, "PRESERVE"),

    (5, "COREDUMP_DESTROY"),
    (6, "COREDUMP_RESTART"),
    ], init_val = "LIBXL_ACTION_ON_SHUTDOWN_DESTROY")

libxl_trigger = Enumeration("trigger", [
    (0, "UNKNOWN"),
    (1, "POWER"),
    (2, "SLEEP"),
    (3, "NMI"),
    (4, "INIT"),
    (5, "RESET"),
    (6, "S3RESUME"),
    ])

libxl_tsc_mode = Enumeration("tsc_mode", [
    (0, "default"),
    (1, "always_emulate"),
    (2, "native"),
    (3, "native_paravirt"),
    ])

# Consistent with the values defined for HVM_PARAM_TIMER_MODE.
libxl_timer_mode = Enumeration("timer_mode", [
    (-1, "unknown"),
    (0, "delay_for_missed_ticks"),
    (1, "no_delay_for_missed_ticks"),
    (2, "no_missed_ticks_pending"),
    (3, "one_missed_tick_pending"),
    ], init_val = "LIBXL_TIMER_MODE_DEFAULT")

libxl_bios_type = Enumeration("bios_type", [
    (0, "unknown"),
    (1, "rombios"),
    (2, "seabios"),
    (3, "ovmf"),
    ])

# Consistent with values defined in domctl.h
# Except unknown which we have made up
libxl_scheduler = Enumeration("scheduler", [
    (0, "unknown"),
    (4, "sedf"),
    (5, "credit"),
    (6, "credit2"),
    (7, "arinc653"),
    (8, "rtds"),
    ])

# Consistent with SHUTDOWN_* in sched.h (apart from UNKNOWN)
libxl_shutdown_reason = Enumeration("shutdown_reason", [
    (-1, "unknown"),
    (0, "poweroff"),
    (1, "reboot"),
    (2, "suspend"),
    (3, "crash"),
    (4, "watchdog"),
    ], init_val = "LIBXL_SHUTDOWN_REASON_UNKNOWN")

libxl_vga_interface_type = Enumeration("vga_interface_type", [
    (1, "CIRRUS"),
    (2, "STD"),
    (3, "NONE"),
    ], init_val = "LIBXL_VGA_INTERFACE_TYPE_CIRRUS")

libxl_vendor_device = Enumeration("vendor_device", [
    (0, "NONE"),
    (1, "XENSERVER"),
    ])

libxl_viridian_enlightenment = Enumeration("viridian_enlightenment", [
    (0, "base"),
    (1, "freq"),
    (2, "time_ref_count"),
    ])

#
# Complex libxl types
#

libxl_ioport_range = Struct("ioport_range", [
    ("first", uint32),
    ("number", uint32),
    ])

libxl_iomem_range = Struct("iomem_range", [
    # start host frame number to be mapped to the guest
    ("start", uint64),
    # number of frames to be mapped
    ("number", uint64),
    # guest frame number used as a start for the mapping
    ("gfn", uint64, {'init_val': "LIBXL_INVALID_GFN"}),
    ])

libxl_vga_interface_info = Struct("vga_interface_info", [
    ("kind",    libxl_vga_interface_type),
    ])

libxl_vnc_info = Struct("vnc_info", [
    ("enable",        libxl_defbool),
    # "address:port" that should be listened on
    ("listen",        string),
    ("passwd",        string),
    ("display",       integer),
    # If set then try to find an unused port
    ("findunused",    libxl_defbool),
    ])

libxl_spice_info = Struct("spice_info", [
    ("enable",      libxl_defbool),
    # At least one of spice port or spicetls_post must be given
    ("port",        integer),
    ("tls_port",    integer),
    # Interface to bind to
    ("host",        string),
    # enable client connection with no password
    ("disable_ticketing", libxl_defbool),
    ("passwd",      string),
    ("agent_mouse", libxl_defbool),
    ("vdagent",     libxl_defbool),
    ("clipboard_sharing", libxl_defbool),
    ("usbredirection", integer),
    ])

libxl_sdl_info = Struct("sdl_info", [
    ("enable",        libxl_defbool),
    ("opengl",        libxl_defbool),
    ("display",       string),
    ("xauthority",    string),
    ])

libxl_dominfo = Struct("dominfo",[
    ("uuid",        libxl_uuid),
    ("domid",       libxl_domid),
    ("ssidref",     uint32),
    ("ssid_label",  string),
    ("running",     bool),
    ("blocked",     bool),
    ("paused",      bool),
    ("shutdown",    bool),
    ("dying",       bool),

    # Valid iff ->shutdown is true.
    #
    # Otherwise set to a value guaranteed not to clash with any valid
    # LIBXL_SHUTDOWN_REASON_* constant.
    ("shutdown_reason", libxl_shutdown_reason),
    ("outstanding_memkb",  MemKB),
    ("current_memkb",   MemKB),
    ("shared_memkb", MemKB),
    ("paged_memkb", MemKB),
    ("max_memkb",   MemKB),
    ("cpu_time",    uint64),
    ("vcpu_max_id", uint32),
    ("vcpu_online", uint32),
    ("cpupool",     uint32),
    ("domain_type", libxl_domain_type),
    ], dir=DIR_OUT)

libxl_cpupoolinfo = Struct("cpupoolinfo", [
    ("poolid",      uint32),
    ("pool_name",   string),
    ("sched",       libxl_scheduler),
    ("n_dom",       uint32),
    ("cpumap",      libxl_bitmap)
    ], dir=DIR_OUT)

libxl_channelinfo = Struct("channelinfo", [
    ("backend", string),
    ("backend_id", uint32),
    ("frontend", string),
    ("frontend_id", uint32),
    ("devid", libxl_devid),
    ("state", integer),
    ("evtch", integer),
    ("rref", integer),
    ("u", KeyedUnion(None, libxl_channel_connection, "connection",
           [("unknown", None),
            ("pty", Struct(None, [("path", string),])),
            ("socket", None),
           ])),
    ], dir=DIR_OUT)

libxl_vminfo = Struct("vminfo", [
    ("uuid", libxl_uuid),
    ("domid", libxl_domid),
    ], dir=DIR_OUT)

libxl_version_info = Struct("version_info", [
    ("xen_version_major", integer),
    ("xen_version_minor", integer),
    ("xen_version_extra", string),
    ("compiler",          string),
    ("compile_by",        string),
    ("compile_domain",    string),
    ("compile_date",      string),
    ("capabilities",      string),
    ("changeset",         string),
    ("virt_start",        uint64),
    ("pagesize",          integer),
    ("commandline",       string),
    ], dir=DIR_OUT)

libxl_domain_create_info = Struct("domain_create_info",[
    ("type",         libxl_domain_type),
    ("hap",          libxl_defbool),
    ("oos",          libxl_defbool),
    ("ssidref",      uint32),
    ("ssid_label",   string),
    ("name",         string),
    ("uuid",         libxl_uuid),
    ("xsdata",       libxl_key_value_list),
    ("platformdata", libxl_key_value_list),
    ("poolid",       uint32),
    ("pool_name",    string),
    ("run_hotplug_scripts",libxl_defbool),
    ("pvh",          libxl_defbool),
    ("driver_domain",libxl_defbool),
    ], dir=DIR_IN)

libxl_domain_restore_params = Struct("domain_restore_params", [
    ("checkpointed_stream", integer),
    ])

libxl_domain_sched_params = Struct("domain_sched_params",[
    ("sched",        libxl_scheduler),
    ("weight",       integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_WEIGHT_DEFAULT'}),
    ("cap",          integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_CAP_DEFAULT'}),
    ("period",       integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_PERIOD_DEFAULT'}),
    ("slice",        integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_SLICE_DEFAULT'}),
    ("latency",      integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_LATENCY_DEFAULT'}),
    ("extratime",    integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_EXTRATIME_DEFAULT'}),
    ("budget",       integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_BUDGET_DEFAULT'}),
    ])

libxl_domain_build_info = Struct("domain_build_info",[
    ("max_vcpus",       integer),
    ("avail_vcpus",     libxl_bitmap),
    ("cpumap",          libxl_bitmap),
    ("nodemap",         libxl_bitmap),
    ("vcpu_hard_affinity", Array(libxl_bitmap, "num_vcpu_hard_affinity")),
    ("vcpu_soft_affinity", Array(libxl_bitmap, "num_vcpu_soft_affinity")),
    ("numa_placement",  libxl_defbool),
    ("tsc_mode",        libxl_tsc_mode),
    ("max_memkb",       MemKB),
    ("target_memkb",    MemKB),
    ("video_memkb",     MemKB),
    ("shadow_memkb",    MemKB),
    ("rtc_timeoffset",  uint32),
    ("exec_ssidref",    uint32),
    ("exec_ssid_label", string),
    ("localtime",       libxl_defbool),
    ("disable_migrate", libxl_defbool),
    ("cpuid",           libxl_cpuid_policy_list),
    ("blkdev_start",    string),
    
    ("device_model_version", libxl_device_model_version),
    ("device_model_stubdomain", libxl_defbool),
    # if you set device_model you must set device_model_version too
    ("device_model",     string),
    ("device_model_ssidref", uint32),
    ("device_model_ssid_label", string),

    # extra parameters pass directly to qemu, NULL terminated
    ("extra",            libxl_string_list),
    # extra parameters pass directly to qemu for PV guest, NULL terminated
    ("extra_pv",         libxl_string_list),
    # extra parameters pass directly to qemu for HVM guest, NULL terminated
    ("extra_hvm",        libxl_string_list),
    #  parameters for all type of scheduler
    ("sched_params",     libxl_domain_sched_params),

    ("ioports",          Array(libxl_ioport_range, "num_ioports")),
    ("irqs",             Array(uint32, "num_irqs")),
    ("iomem",            Array(libxl_iomem_range, "num_iomem")),
    ("claim_mode",	     libxl_defbool),
    ("event_channels",   uint32),
    ("kernel",           string),
    ("cmdline",          string),
    ("ramdisk",          string),
    ("u", KeyedUnion(None, libxl_domain_type, "type",
                [("hvm", Struct(None, [("firmware",         string),
                                       ("bios",             libxl_bios_type),
                                       ("pae",              libxl_defbool),
                                       ("apic",             libxl_defbool),
                                       ("acpi",             libxl_defbool),
                                       ("acpi_s3",          libxl_defbool),
                                       ("acpi_s4",          libxl_defbool),
                                       ("nx",               libxl_defbool),
                                       ("viridian",         libxl_defbool),
                                       ("viridian_enable",  libxl_bitmap),
                                       ("viridian_disable", libxl_bitmap),
                                       ("timeoffset",       string),
                                       ("hpet",             libxl_defbool),
                                       ("vpt_align",        libxl_defbool),
                                       ("mmio_hole_memkb",  MemKB),
                                       ("timer_mode",       libxl_timer_mode),
                                       ("nested_hvm",       libxl_defbool),
                                       ("smbios_firmware",  string),
                                       ("acpi_firmware",    string),
                                       ("nographic",        libxl_defbool),
                                       ("vga",              libxl_vga_interface_info),
                                       ("vnc",              libxl_vnc_info),
                                       # keyboard layout, default is en-us keyboard
                                       ("keymap",           string),
                                       ("sdl",              libxl_sdl_info),
                                       ("spice",            libxl_spice_info),
                                       
                                       ("gfx_passthru",     libxl_defbool),
                                       
                                       ("serial",           string),
                                       ("boot",             string),
                                       ("usb",              libxl_defbool),
                                       ("usbversion",       integer),
                                       # usbdevice:
                                       # - "tablet" for absolute mouse,
                                       # - "mouse" for PS/2 protocol relative mouse
                                       ("usbdevice",        string),
                                       ("soundhw",          string),
                                       ("xen_platform_pci", libxl_defbool),
                                       ("usbdevice_list",   libxl_string_list),
                                       ("vendor_device",    libxl_vendor_device),
                                       # See libxl_ms_vm_genid_generate()
                                       ("ms_vm_genid",      libxl_ms_vm_genid),
                                       ("serial_list",      libxl_string_list),
                                       ])),
                 ("pv", Struct(None, [("kernel", string),
                                      ("slack_memkb", MemKB),
                                      ("bootloader", string),
                                      ("bootloader_args", libxl_string_list),
                                      ("cmdline", string),
                                      ("ramdisk", string),
                                      ("features", string, {'const': True}),
                                      # Use host's E820 for PCI passthrough.
                                      ("e820_host", libxl_defbool),
                                      ])),
                 ("invalid", None),
                 ], keyvar_init_val = "LIBXL_DOMAIN_TYPE_INVALID")),
    ], dir=DIR_IN
)

libxl_device_vfb = Struct("device_vfb", [
    ("backend_domid", libxl_domid),
    ("backend_domname",string),
    ("devid",         libxl_devid),
    ("vnc",           libxl_vnc_info),
    ("sdl",           libxl_sdl_info),
    # set keyboard layout, default is en-us keyboard
    ("keymap",        string),
    ])

libxl_device_vkb = Struct("device_vkb", [
    ("backend_domid", libxl_domid),
    ("backend_domname", string),
    ("devid", libxl_devid),
    ])

libxl_device_disk = Struct("device_disk", [
    ("backend_domid", libxl_domid),
    ("backend_domname", string),
    ("pdev_path", string),
    ("vdev", string),
    ("backend", libxl_disk_backend),
    ("format", libxl_disk_format),
    ("script", string),
    ("removable", integer),
    ("readwrite", integer),
    ("is_cdrom", integer),
    ("direct_io_safe", bool),
    ("discard_enable", libxl_defbool),
    ])

libxl_device_nic = Struct("device_nic", [
    ("backend_domid", libxl_domid),
    ("backend_domname", string),
    ("devid", libxl_devid),
    ("mtu", integer),
    ("model", string),
    ("mac", libxl_mac),
    ("ip", string),
    ("bridge", string),
    ("ifname", string),
    ("script", string),
    ("nictype", libxl_nic_type),
    ("rate_bytes_per_interval", uint64),
    ("rate_interval_usecs", uint32),
    ("gatewaydev", string),
    ])

libxl_device_pci = Struct("device_pci", [
    ("func",      uint8),
    ("dev",       uint8),
    ("bus",       uint8),
    ("domain",    integer),
    ("vdevfn",    uint32),
    ("vfunc_mask", uint32),
    ("msitranslate", bool),
    ("power_mgmt", bool),
    ("permissive", bool),
    ("seize", bool),
    ])

libxl_device_vtpm = Struct("device_vtpm", [
    ("backend_domid",    libxl_domid),
    ("backend_domname",  string),
    ("devid",            libxl_devid),
    ("uuid",             libxl_uuid),
])

libxl_device_channel = Struct("device_channel", [
    ("backend_domid", libxl_domid),
    ("backend_domname", string),
    ("devid", libxl_devid),
    ("name", string),
    ("u", KeyedUnion(None, libxl_channel_connection, "connection",
           [("unknown", None),
            ("pty", None),
            ("socket", Struct(None, [("path", string)])),
           ])),
])

libxl_domain_config = Struct("domain_config", [
    ("c_info", libxl_domain_create_info),
    ("b_info", libxl_domain_build_info),

    ("disks", Array(libxl_device_disk, "num_disks")),
    ("nics", Array(libxl_device_nic, "num_nics")),
    ("pcidevs", Array(libxl_device_pci, "num_pcidevs")),
    ("vfbs", Array(libxl_device_vfb, "num_vfbs")),
    ("vkbs", Array(libxl_device_vkb, "num_vkbs")),
    ("vtpms", Array(libxl_device_vtpm, "num_vtpms")),
    # a channel manifests as a console with a name,
    # see docs/misc/channels.txt
    ("channels", Array(libxl_device_channel, "num_channels")),

    ("on_poweroff", libxl_action_on_shutdown),
    ("on_reboot", libxl_action_on_shutdown),
    ("on_watchdog", libxl_action_on_shutdown),
    ("on_crash", libxl_action_on_shutdown),
    ], dir=DIR_IN)

libxl_diskinfo = Struct("diskinfo", [
    ("backend", string),
    ("backend_id", uint32),
    ("frontend", string),
    ("frontend_id", uint32),
    ("devid", libxl_devid),
    ("state", integer),
    ("evtch", integer),
    ("rref", integer),
    ], dir=DIR_OUT)

libxl_nicinfo = Struct("nicinfo", [
    ("backend", string),
    ("backend_id", uint32),
    ("frontend", string),
    ("frontend_id", uint32),
    ("devid", libxl_devid),
    ("state", integer),
    ("evtch", integer),
    ("rref_tx", integer),
    ("rref_rx", integer),
    ], dir=DIR_OUT)

libxl_vtpminfo = Struct("vtpminfo", [
    ("backend", string),
    ("backend_id", uint32),
    ("frontend", string),
    ("frontend_id", uint32),
    ("devid", libxl_devid),
    ("state", integer),
    ("evtch", integer),
    ("rref", integer),
    ("uuid", libxl_uuid),
    ], dir=DIR_OUT)

libxl_vcpuinfo = Struct("vcpuinfo", [
    ("vcpuid", uint32),
    ("cpu", uint32),
    ("online", bool),
    ("blocked", bool),
    ("running", bool),
    ("vcpu_time", uint64), # total vcpu time ran (ns)
    ("cpumap", libxl_bitmap), # current hard cpu affinity
    ("cpumap_soft", libxl_bitmap), # current soft cpu affinity
    ], dir=DIR_OUT)

libxl_physinfo = Struct("physinfo", [
    ("threads_per_core", uint32),
    ("cores_per_socket", uint32),

    ("max_cpu_id", uint32),
    ("nr_cpus", uint32),
    ("cpu_khz", uint32),

    ("total_pages", uint64),
    ("free_pages", uint64),
    ("scrub_pages", uint64),
    ("outstanding_pages", uint64),
    ("sharing_freed_pages", uint64),
    ("sharing_used_frames", uint64),

    ("nr_nodes", uint32),
    ("hw_cap", libxl_hwcap),

    ("cap_hvm", bool),
    ("cap_hvm_directio", bool),
    ], dir=DIR_OUT)

# NUMA node characteristics: size and free are how much memory it has, and how
# much of it is free, respectively. dists is an array of distances from this
# node to each other node.
libxl_numainfo = Struct("numainfo", [
    ("size", uint64),
    ("free", uint64),
    ("dists", Array(uint32, "num_dists")),
    ], dir=DIR_OUT)

libxl_cputopology = Struct("cputopology", [
    ("core", uint32),
    ("socket", uint32),
    ("node", uint32),
    ], dir=DIR_OUT)

libxl_sched_credit_params = Struct("sched_credit_params", [
    ("tslice_ms", integer),
    ("ratelimit_us", integer),
    ], dispose_fn=None)

libxl_domain_remus_info = Struct("domain_remus_info",[
    ("interval",     integer),
    ("allow_unsafe", libxl_defbool),
    ("blackhole",    libxl_defbool),
    ("compression",  libxl_defbool),
    ("netbuf",       libxl_defbool),
    ("netbufscript", string),
    ("diskbuf",      libxl_defbool),
    ])

libxl_event_type = Enumeration("event_type", [
    (1, "DOMAIN_SHUTDOWN"),
    (2, "DOMAIN_DEATH"),
    (3, "DISK_EJECT"),
    (4, "OPERATION_COMPLETE"),
    (5, "DOMAIN_CREATE_CONSOLE_AVAILABLE"),
    ])

libxl_ev_user = UInt(64)

libxl_ev_link = Builtin("ev_link", json_parse_type="JSON_STRING", passby=PASS_BY_REFERENCE, private=True)

libxl_event = Struct("event",[
    ("link",     libxl_ev_link),
     # for use by libxl; caller may use this once the event has been
     #   returned by libxl_event_{check,wait}
    ("domid",    libxl_domid),
    ("domuuid",  libxl_uuid),
    ("for_user", libxl_ev_user),
    ("u", KeyedUnion(None, libxl_event_type, "type",
          [("domain_shutdown", Struct(None, [
                                             ("shutdown_reason", uint8),
                                      ])),
           ("domain_death", None),
           ("disk_eject", Struct(None, [
                                        ("vdev", string),
                                        ("disk", libxl_device_disk),
                                 ])),
           ("operation_complete", Struct(None, [
                                        ("rc", integer),
                                 ])),
           ("domain_create_console_available", None),
           ]))])

libxl_psr_cmt_type = Enumeration("psr_cmt_type", [
    (1, "CACHE_OCCUPANCY"),
    ])
