Struct virtio_driver::VirtioBlkConfig

#[repr(C, packed)]
pub struct VirtioBlkConfig {

    pub capacity: Le64,
    pub size_max: Le32,
    pub seg_max: Le32,
    pub cylinders: Le16,
    pub heads: u8,
    pub sectors: u8,
    pub blk_size: Le32,
    pub physical_block_exp: u8,
    pub alignment_offset: u8,
    pub min_io_size: Le16,
    pub opt_io_size: Le32,
    pub writeback: u8,
    pub max_discard_sectors: Le32,
    pub max_discard_seg: Le32,
    pub discard_sector_alignment: Le32,
    pub max_write_zeroes_sectors: Le32,
    pub max_write_zeroes_seg: Le32,
    pub write_zeroes_may_unmap: u8,
    /* private fields */
}

The Device Configuration Space for a virtio-blk device.

This is `struct virtio_blk_config`` from the VIRTIO 1.1 specification (see 5.2.4).

Fields

capacity: Le64

size_max: Le32

seg_max: Le32

cylinders: Le16

heads: u8

sectors: u8

blk_size: Le32

physical_block_exp: u8

alignment_offset: u8

min_io_size: Le16

opt_io_size: Le32

writeback: u8

max_discard_sectors: Le32

max_discard_seg: Le32

discard_sector_alignment: Le32

max_write_zeroes_sectors: Le32

max_write_zeroes_seg: Le32

write_zeroes_may_unmap: u8

Trait Implementations

impl ByteValued for VirtioBlkConfig

fn from_slice(data: &[u8]) -> Option<&Self>

Converts a slice of raw data into a reference of Self.

fn from_mut_slice(data: &mut [u8]) -> Option<&mut Self>

Converts a mutable slice of raw data into a mutable reference of Self.

fn from_reader<R: Read>(read: R) -> Result<Self>

Creates an instance of Self by copying raw data from an io::Read stream.

fn as_slice(&self) -> &[u8]

Converts a reference to self into a slice of bytes.

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

Converts a mutable reference to self into a mutable slice of bytes.

impl Clone for VirtioBlkConfig

fn clone(&self) -> VirtioBlkConfig

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Default for VirtioBlkConfig

fn default() -> VirtioBlkConfig

Returns the “default value” for a type.

impl Copy for VirtioBlkConfig