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// Copyright 2024, Linaro Limited
// Author(s): Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
// SPDX-License-Identifier: GPL-2.0-or-later
use std::ffi::CStr;
use crate::bindings;
#[macro_export]
macro_rules! device_class_init {
($func:ident, props => $props:ident, realize_fn => $realize_fn:expr, legacy_reset_fn => $legacy_reset_fn:expr, vmsd => $vmsd:ident$(,)*) => {
pub unsafe extern "C" fn $func(
klass: *mut $crate::bindings::ObjectClass,
_: *mut ::std::os::raw::c_void,
) {
let mut dc =
::core::ptr::NonNull::new(klass.cast::<$crate::bindings::DeviceClass>()).unwrap();
unsafe {
dc.as_mut().realize = $realize_fn;
dc.as_mut().vmsd = &$vmsd;
$crate::bindings::device_class_set_legacy_reset(dc.as_mut(), $legacy_reset_fn);
$crate::bindings::device_class_set_props(dc.as_mut(), $props.as_ptr());
}
}
};
}
#[macro_export]
macro_rules! define_property {
($name:expr, $state:ty, $field:ident, $prop:expr, $type:ty, default = $defval:expr$(,)*) => {
$crate::bindings::Property {
// use associated function syntax for type checking
name: ::std::ffi::CStr::as_ptr($name),
info: $prop,
offset: $crate::offset_of!($state, $field) as isize,
set_default: true,
defval: $crate::bindings::Property__bindgen_ty_1 { u: $defval as u64 },
..$crate::zeroable::Zeroable::ZERO
}
};
($name:expr, $state:ty, $field:ident, $prop:expr, $type:ty$(,)*) => {
$crate::bindings::Property {
// use associated function syntax for type checking
name: ::std::ffi::CStr::as_ptr($name),
info: $prop,
offset: $crate::offset_of!($state, $field) as isize,
set_default: false,
..$crate::zeroable::Zeroable::ZERO
}
};
}
#[macro_export]
macro_rules! declare_properties {
($ident:ident, $($prop:expr),*$(,)*) => {
pub static $ident: [$crate::bindings::Property; {
let mut len = 1;
$({
_ = stringify!($prop);
len += 1;
})*
len
}] = [
$($prop),*,
$crate::zeroable::Zeroable::ZERO,
];
};
}
// workaround until we can use --generate-cstr in bindgen.
pub const TYPE_DEVICE: &CStr =
unsafe { CStr::from_bytes_with_nul_unchecked(bindings::TYPE_DEVICE) };
pub const TYPE_SYS_BUS_DEVICE: &CStr =
unsafe { CStr::from_bytes_with_nul_unchecked(bindings::TYPE_SYS_BUS_DEVICE) };
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