Struct project4::virtio::VirtIoMmioHeader

#[repr(C)]
pub struct VirtIoMmioHeader {
    pub status: u32,
    pub queue_size: u32,
    pub queue_addr_hi: u32,
    pub queue_addr_lo: u32,
    pub queue_head: u32,
    pub queue_tail: u32,
}

The header of the virtio device.

Fields

status: u32

Status of the device

queue_size: u32

Size of the virtqueue

queue_addr_hi: u32

Upper 32bit of the virtqueue physical address

queue_addr_lo: u32

Lower 32bit of the virtqueue physical address

queue_head: u32

Queue Head

Driver update the tail of the queue. Device must not update the field.

queue_tail: u32

Queue tail

Device update the tail of the queue. Driver must not update the field.

Implementations

impl VirtIoMmioHeader

pub fn new() -> Self

Trait Implementations

impl Debug for VirtIoMmioHeader

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

Formats the value using the given formatter.