Struct Used

#[repr(C, align(4))]
pub struct Used {
    pub flags: UsedF,
    pub idx: le16,
    /* private fields */
}

The Virtqueue Used Ring

Fields

flags: UsedF

idx: le16

Implementations

impl Used

pub fn new(queue_size: u16, has_event_idx: bool) -> Box<Self>

Available on crate feature alloc only.

pub fn try_new( queue_size: u16, has_event_idx: bool, ) -> Result<Box<Self>, AllocError>

Available on crate feature alloc only.

pub fn new_in<A: Allocator>( queue_size: u16, has_event_idx: bool, alloc: A, ) -> Box<Self, A>

Available on crate feature alloc only.

pub fn try_new_in<A: Allocator>( queue_size: u16, has_event_idx: bool, alloc: A, ) -> Result<Box<Self, A>, AllocError>

Available on crate feature alloc only.

impl Used

pub fn layout(queue_size: u16, has_event_idx: bool) -> Layout

pub fn from_ptr( ptr: NonNull<[u8]>, has_event_idx: bool, ) -> Option<NonNull<Self>>

pub fn ring_ptr(this: NonNull<Self>) -> NonNull<[UsedElem]>

pub fn ring(&self) -> &[UsedElem]

pub fn ring_mut(&mut self) -> &mut [UsedElem]

pub fn avail_event_ptr(this: NonNull<Self>) -> Option<NonNull<le16>>

pub fn avail_event(&self) -> Option<&le16>

pub fn avail_event_mut(&mut self) -> Option<&mut le16>

Trait Implementations

impl Debug for Used

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

Formats the value using the given formatter.