Enum VirtqueueBuffer 

pub enum VirtqueueBuffer<'b> {
    DeviceReadable(SubSliceMutImmut<'b, u8>),
    DeviceWriteable(SubSliceMut<'b, u8>),
}

A slice of memory to be shared with a VirtIO device, either as device-readable or device-writeable.

We can use either mutable or immutable Rust slices to expose device-readable buffers. The VirtIO Specification Version 1.3 states that, for Split Virtqueues:

A device MUST NOT write to a device-readable buffer, and a device SHOULD NOT read a device-writable buffer (it MAY do so for debugging or diagnostic purposes).

Variants

DeviceReadable(SubSliceMutImmut<'b, u8>)

DeviceWriteable(SubSliceMut<'b, u8>)

Trait Implementations

impl<'b> Debug for VirtqueueBuffer<'b>

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

Formats the value using the given formatter.