Struct ControllerPath 

pub struct ControllerPath {
    pub controller_id: u16,
    pub path_id: u32,
    pub transport_address: u64,
    pub state: PathState,
    pub ana_state: AnaState,
    pub priority: u8,
    pub latency_us: AtomicU32,
    pub io_count: AtomicU64,
    pub error_count: AtomicU32,
    pub last_access: AtomicU64,
}

Controller path information.

Fields

controller_id: u16

Controller ID

path_id: u32

Path ID

transport_address: u64

Transport address (e.g., PCIe address)

state: PathState

Path state

ana_state: AnaState

ANA state for this path

priority: u8

Path priority (lower is better)

latency_us: AtomicU32

Latency in microseconds

io_count: AtomicU64

Number of I/Os through this path

error_count: AtomicU32

Number of errors on this path

last_access: AtomicU64

Last access timestamp

Implementations

impl ControllerPath

pub fn new(controller_id: u16, path_id: u32, transport_address: u64) -> Self

Create a new controller path.

pub fn is_usable(&self) -> bool

Check if path is usable.

pub fn update_metrics(&self, latency_us: u32, success: bool, timestamp: u64)

Update path metrics after I/O completion.

pub fn get_score(&self) -> u32

Get path score for selection (lower is better).

Trait Implementations

impl Debug for ControllerPath

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

Formats the value using the given formatter.