Struct seed_riscv::block::virtio::VirtioBlockDevice

pub struct VirtioBlockDevice<'a> {
    device: &'a mut BlockDeviceConfig,
    queue: Virtqueue,
    request_buffer: Mapped<[Request]>,
    free_request_slots: VecDeque<u16>,
    data_buffer: Mapped<[[u8; 512]]>,
    free_data_slots: VecDeque<u16>,
}

Fields

device: &'a mut BlockDeviceConfig

queue: Virtqueue

request_buffer: Mapped<[Request]>

free_request_slots: VecDeque<u16>

data_buffer: Mapped<[[u8; 512]]>

free_data_slots: VecDeque<u16>

Implementations

impl<'a> VirtioBlockDevice<'a>

pub fn init( fdt: &Fdt<'_>, memory_manager: &MemoryManager ) -> Option<VirtioBlockDevice<'a>>

Find a Virtio block device, if present, and initialize it.

fn alloc_request_slot(&mut self) -> u16

fn free_request_slot(&mut self, slot: u16)

fn alloc_data_slot(&mut self) -> u16

fn free_data_slot(&mut self, slot: u16)

Trait Implementations

impl<'a> BlockDevice for VirtioBlockDevice<'a>

type ReadTokenMetadata = ReadTokenMeta

fn read(&mut self, block: u64) -> ReadToken<Self::ReadTokenMetadata>

fn free_read_block(&mut self, token: ReadToken<Self::ReadTokenMetadata>)