On Tue, Oct 22, 2024 at 11:33 PM Danilo Krummrich <dakr@xxxxxxxxxx> wrote:
> +/// Drivers must implement this trait in order to get a platform driver registered. Please refer to
> +/// the `Adapter` documentation for an example.
> +pub trait Driver {
> + /// The type holding information about each device id supported by the driver.
> + ///
> + /// TODO: Use associated_type_defaults once stabilized:
> + ///
> + /// type IdInfo: 'static = ();
> + type IdInfo: 'static;
> +
> + /// The table of device ids supported by the driver.
> + const ID_TABLE: IdTable<Self::IdInfo>;
> +
> + /// Platform driver probe.
> + ///
> + /// Called when a new platform device is added or discovered.
> + /// Implementers should attempt to initialize the device here.
> + fn probe(dev: &mut Device, id_info: Option<&Self::IdInfo>) -> Result<Pin<KBox<Self>>>;
This forces the user to put their driver data in a KBox, but they
might want to use an Arc instead. You don't actually *need* a KBox -
any ForeignOwnable seems to fit your purposes.
Please see my miscdevice and shrinker patchsets for examples of how
you can extend this to allow any ForeignOwnable.
Alice
