Enum CacheConfig 

#[repr(u8)]
pub enum CacheConfig {
    Normal = 0,
    Device = 1,
    WriteThrough = 2,
}

Variants

Normal = 0

Device = 1

WriteThrough = 2

需要强制写入主存的场景（如 DMA 缓冲区）

Trait Implementations

impl Clone for CacheConfig

fn clone(&self) -> CacheConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CacheConfig

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

Formats the value using the given formatter.

impl PartialEq for CacheConfig

fn eq(&self, other: &CacheConfig) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for CacheConfig

impl Eq for CacheConfig

impl StructuralPartialEq for CacheConfig