Struct AsyncRingLayout 

#[repr(C)]
pub struct AsyncRingLayout {
    pub sq_base: u64,
    pub cq_base: u64,
    pub sq_size: u64,
    pub cq_size: u64,
    pub entries: u32,
    pub _reserved: u32,
}

Layout descriptor for async I/O ring buffers.

Describes the submission and completion queue regions within a shared memory page used by the async I/O subsystem.

Fields

sq_base: u64

Physical address of the submission queue base.

cq_base: u64

Physical address of the completion queue base.

sq_size: u64

Size of the submission queue in bytes.

cq_size: u64

Size of the completion queue in bytes.

entries: u32

Number of entries in each queue.

_reserved: u32

Trait Implementations

impl Clone for AsyncRingLayout

fn clone(&self) -> AsyncRingLayout

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for AsyncRingLayout

impl Debug for AsyncRingLayout

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FromBytes for AsyncRingLayout

where u64: FromBytes, u32: FromBytes,

fn read_from_bytes(source: &[u8]) -> Result<Self, SizeError<&[u8], Self>>

where Self: Sized,

Reads a copy of Self from the given source.

fn read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), SizeError<&[u8], Self>>

where Self: Sized,

Reads a copy of Self from the prefix of the given source.

fn read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), SizeError<&[u8], Self>>

where Self: Sized,

Reads a copy of Self from the suffix of the given source.

impl FromZeros for AsyncRingLayout

where u64: FromZeros, u32: FromZeros,

fn zero(&mut self)

Overwrites self with zeros.

fn new_zeroed() -> Self

where Self: Sized,

Creates an instance of Self from zeroed bytes.

impl IntoBytes for AsyncRingLayout

where u64: IntoBytes, u32: IntoBytes, (): PaddingFree<Self, { _ }>,

fn as_mut_bytes(&mut self) -> &mut [u8]

where Self: FromBytes,

Gets the bytes of this value mutably.

impl TryFromBytes for AsyncRingLayout

where u64: TryFromBytes, u32: TryFromBytes,

fn try_read_from_bytes( source: &[u8], ) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read the given source as a Self.

fn try_read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read a Self from the prefix of the given source.

fn try_read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read a Self from the suffix of the given source.