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MiscDeviceRegistration

kernel::miscdevice

Struct MiscDeviceRegistration

pub struct MiscDeviceRegistration<T> { /* private fields */ }

Expand description

A registration of a miscdevice.

§Invariants

inner contains a struct miscdevice that is registered using misc_register().
This registration remains valid for the entire lifetime of the MiscDeviceRegistration instance.
Deregistration occurs exactly once in Drop via misc_deregister().
inner wraps a valid, pinned miscdevice created using MiscDeviceOptions::into_raw.

Implementations§

impl<T> MiscDeviceRegistration<T>

pub fn project<'this>( self: Pin<&'this mut Self>, ) -> Projection<'this, T>

Pin-projects all fields of Self.

These fields are structurally pinned:

inner

These fields are not structurally pinned:

_t

pub fn with_project<'this, R>( self: Pin<&'this mut Self>, f: impl FnOnce(ProjectionLt<'this, T>) -> R, ) -> R

Pin-projects all fields of Self with proper lifetime.

These fields are structurally pinned:

inner

These fields are not structurally pinned:

_t

pub fn with_project_ref<'this, R>( self: Pin<&'this Self>, f: impl FnOnce(ProjectionRef<'this, T>) -> R, ) -> R

Pin-projects all fields of Self from a shared reference with proper lifetime.

These fields are structurally pinned:

inner

These fields are not structurally pinned:

_t

impl<T: MiscDevice> MiscDeviceRegistration<T>

pub fn register(opts: MiscDeviceOptions) -> impl PinInit<Self, Error>

Register a misc device.

pub fn as_raw(&self) -> *mut miscdevice

Returns a raw pointer to the misc device.

pub fn device(&self) -> &Device

Access the this_device field.

Trait Implementations§

impl<T> Drop for MiscDeviceRegistration<T>

fn drop(&mut self)

Executes the destructor for this type. Read more

fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)

Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more

impl<T> HasPinData for MiscDeviceRegistration<T>

type PinData = __ThePinData<T>

fn __pin_data(_: InitData<Self>) -> Self::PinData

impl<T> PinnedDrop for MiscDeviceRegistration<T>

fn drop(self: Pin<&mut Self>, _: OnlyCallFromDrop)

Executes the pinned destructor of this type. Read more

impl<T> Send for MiscDeviceRegistration<T>

impl<T> Sync for MiscDeviceRegistration<T>

Auto Trait Implementations§

impl<T> !Freeze for MiscDeviceRegistration<T>

impl<T> !RefUnwindSafe for MiscDeviceRegistration<T>

impl<T> !UnsafeUnpin for MiscDeviceRegistration<T>

impl<T> UnwindSafe for MiscDeviceRegistration<T>
where PhantomData<T>: UnwindSafe,

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Init<T> for T

fn chain<F>(self, f: F) -> ChainInit<Self, F, T, E>
where F: FnOnce(&mut T) -> Result<(), E>,

First initializes the value using self then calls the function f with the initialized value. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<S, T> IntoSafeCast<T> for S
where T: FromSafeCast<S>,

fn into_safe_cast(self) -> T

Convert self into a T. This operation is guaranteed to be lossless.

impl<S, T> IntoSafeCastArch<T> for S
where T: FromSafeCastArch<S>,

fn into_safe_cast_arch(self) -> T

Convert self into a T. This operation is guaranteed to be lossless.

impl<T> KnownSize for T

const MIN_SIZE: usize = const MIN_SIZE: usize = size_of::<T>();

Minimum size of this type known at compile-time.

const MIN_ALIGN: Alignment = const MIN_ALIGN: Alignment = Alignment::of::<T>();

Minimum alignment of this type known at compile-time.

fn size(_: *const T) -> usize

Get the size of an object of this type in bytes, with the metadata of the given pointer.

impl<T> PinInit<T> for T

unsafe fn __init(self, slot: *mut T) -> Result<(), !>

Initializes slot. Read more

fn pin_chain<F>(self, f: F) -> ChainPinInit<Self, F, T, E>
where F: FnOnce(Pin<&mut T>) -> Result<(), E>,

First initializes the value using self then calls the function f with the initialized value. Read more

impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = !

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, !>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T, U, const N: u32> TryIntoBounded<T, N> for U
where T: Integer, U: TryInto<T>,

fn try_into_bounded(self) -> Option<Bounded<T, N>>

Attempts to convert self into a Bounded using N bits. Read more