Struct VirtioPciCommonConfig 

pub struct VirtioPciCommonConfig {
    pub driver_status: u8,
    pub config_generation: u8,
    pub device_feature_select: u32,
    pub driver_feature_select: u32,
    pub queue_select: u16,
    pub msix_config: Arc<AtomicU16>,
    pub msix_queues: Arc<Mutex<Vec<u16>>>,
}

Contains the data for reading and writing the common configuration structure of a virtio PCI device.

• Registers:

** About the whole device. le32 device_feature_select; // 0x00 // read-write le32 device_feature; // 0x04 // read-only for driver le32 driver_feature_select; // 0x08 // read-write le32 driver_feature; // 0x0C // read-write le16 msix_config; // 0x10 // read-write le16 num_queues; // 0x12 // read-only for driver u8 device_status; // 0x14 // read-write (driver_status) u8 config_generation; // 0x15 // read-only for driver

** About a specific virtqueue. le16 queue_select; // 0x16 // read-write le16 queue_size; // 0x18 // read-write, power of 2, or 0. le16 queue_msix_vector; // 0x1A // read-write le16 queue_enable; // 0x1C // read-write (Ready) le16 queue_notify_off; // 0x1E // read-only for driver le64 queue_desc; // 0x20 // read-write le64 queue_avail; // 0x28 // read-write le64 queue_used; // 0x30 // read-write

Fields

driver_status: u8

config_generation: u8

device_feature_select: u32

driver_feature_select: u32

queue_select: u16

msix_config: Arc<AtomicU16>

msix_queues: Arc<Mutex<Vec<u16>>>

Implementations

impl VirtioPciCommonConfig

pub fn new(state: VirtioPciCommonConfigState) -> Self

pub fn state(&self) -> VirtioPciCommonConfigState

pub fn read( &mut self, offset: u64, data: &mut [u8], device: Arc<Mutex<dyn VirtioDevice>>, )

pub fn write( &mut self, offset: u64, data: &[u8], device: Arc<Mutex<dyn VirtioDevice>>, )

Trait Implementations

impl Debug for VirtioPciCommonConfig

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

Formats the value using the given formatter.