xref: /openbmc/qemu/rust/qemu-api/tests/tests.rs (revision 7d87775f)
1 // Copyright 2024, Linaro Limited
2 // Author(s): Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
3 // SPDX-License-Identifier: GPL-2.0-or-later
4 
5 use std::{ffi::CStr, os::raw::c_void};
6 
7 use qemu_api::{
8     bindings::*,
9     c_str, declare_properties, define_property,
10     definitions::{Class, ObjectImpl},
11     device_class, device_class_init,
12     zeroable::Zeroable,
13 };
14 
15 #[test]
16 fn test_device_decl_macros() {
17     // Test that macros can compile.
18     pub static VMSTATE: VMStateDescription = VMStateDescription {
19         name: c_str!("name").as_ptr(),
20         unmigratable: true,
21         ..Zeroable::ZERO
22     };
23 
24     #[derive(qemu_api_macros::offsets)]
25     #[repr(C)]
26     #[derive(qemu_api_macros::Object)]
27     pub struct DummyState {
28         pub _parent: DeviceState,
29         pub migrate_clock: bool,
30     }
31 
32     #[repr(C)]
33     pub struct DummyClass {
34         pub _parent: DeviceClass,
35     }
36 
37     declare_properties! {
38         DUMMY_PROPERTIES,
39             define_property!(
40                 c_str!("migrate-clk"),
41                 DummyState,
42                 migrate_clock,
43                 unsafe { &qdev_prop_bool },
44                 bool
45             ),
46     }
47 
48     device_class_init! {
49         dummy_class_init,
50         props => DUMMY_PROPERTIES,
51         realize_fn => None,
52         legacy_reset_fn => None,
53         vmsd => VMSTATE,
54     }
55 
56     impl ObjectImpl for DummyState {
57         type Class = DummyClass;
58         const TYPE_INFO: qemu_api::bindings::TypeInfo = qemu_api::type_info! { Self };
59         const TYPE_NAME: &'static CStr = c_str!("dummy");
60         const PARENT_TYPE_NAME: Option<&'static CStr> = Some(device_class::TYPE_DEVICE);
61         const ABSTRACT: bool = false;
62         const INSTANCE_INIT: Option<unsafe extern "C" fn(obj: *mut Object)> = None;
63         const INSTANCE_POST_INIT: Option<unsafe extern "C" fn(obj: *mut Object)> = None;
64         const INSTANCE_FINALIZE: Option<unsafe extern "C" fn(obj: *mut Object)> = None;
65     }
66 
67     impl Class for DummyClass {
68         const CLASS_INIT: Option<unsafe extern "C" fn(klass: *mut ObjectClass, data: *mut c_void)> =
69             Some(dummy_class_init);
70         const CLASS_BASE_INIT: Option<
71             unsafe extern "C" fn(klass: *mut ObjectClass, data: *mut c_void),
72         > = None;
73     }
74 
75     unsafe {
76         module_call_init(module_init_type::MODULE_INIT_QOM);
77         object_unref(object_new(DummyState::TYPE_NAME.as_ptr()) as *mut _);
78     }
79 }
80