Struct AvailableFeatures 

pub struct AvailableFeatures {

    pub buffer_selection: bool,
    pub multi_shot: bool,
    pub provided_buffers: bool,
    pub fast_poll: bool,
    pub sq_poll: bool,
    pub coop_taskrun: bool,
    pub defer_taskrun: bool,
    pub fixed_files: bool,
    pub fixed_buffers: bool,
    pub advanced_task_work: bool,
    pub defer_async_work: bool,
    pub send_zc_reporting: bool,
    pub multishot_completion_batching: bool,
    pub epoll_uring_wake: bool,
    pub registered_ring_fd: bool,
    pub multishot_timeouts: bool,
    pub user_allocated_ring_memory: bool,
    pub async_cancel_op: bool,
    pub socket_command_support: bool,
    pub sysctl_disable_support: bool,
    pub direct_io_optimizations: bool,
    pub msg_ring_speedup: bool,
    pub native_bind_listen: bool,
    pub improved_huge_pages: bool,
    pub async_discard: bool,
    pub minimum_timeout_waits: bool,
    pub absolute_timeouts: bool,
    pub incremental_buffer_consumption: bool,
    pub registered_buffer_cloning: bool,
}

Available io_uring features on this kernel.

Fields

buffer_selection: bool

Buffer selection is supported

multi_shot: bool

Multi-shot operations are supported

provided_buffers: bool

Provided buffers are supported

fast_poll: bool

Fast poll is supported

sq_poll: bool

SQ polling is supported

coop_taskrun: bool

Cooperative task running is supported

defer_taskrun: bool

Task work defer is supported

fixed_files: bool

Fixed files are supported

fixed_buffers: bool

Fixed buffers are supported

advanced_task_work: bool

Advanced task work management (6.1+)

defer_async_work: bool

Deferred async work until GETEVENTS (6.1+)

send_zc_reporting: bool

Zero-copy send reporting with SEND_ZC_REPORT_USAGE (6.2+)

multishot_completion_batching: bool

Completion batching for multishot operations (6.2+)

epoll_uring_wake: bool

EPOLL_URING_WAKE support (6.2+)

registered_ring_fd: bool

io_uring_register() with registered ring fd (6.3+)

multishot_timeouts: bool

Multishot timeout operations (6.4+)

user_allocated_ring_memory: bool

User-allocated ring memory (6.5+)

async_cancel_op: bool

Async operation cancellation with IORING_ASYNC_CANCEL_OP (6.6+)

socket_command_support: bool

io_uring command support for sockets (6.6+)

sysctl_disable_support: bool

System-wide io_uring disable sysctl (6.6+)

direct_io_optimizations: bool

Direct I/O performance optimizations (6.6+)

msg_ring_speedup: bool

MSG_RING performance improvements (6.11+)

native_bind_listen: bool

Native bind/listen operations (6.11+)

improved_huge_pages: bool

Improved huge page segment handling (6.12+)

async_discard: bool

Fully asynchronous discard operations (6.12+)

minimum_timeout_waits: bool

Minimum timeout waits with dual conditions (6.12+)

absolute_timeouts: bool

Absolute timeouts with multiple clock sources (6.12+)

incremental_buffer_consumption: bool

Incremental provided buffer consumption (6.12+)

registered_buffer_cloning: bool

Registered buffer cloning across threads (6.12+)

Trait Implementations

impl Clone for AvailableFeatures

fn clone(&self) -> AvailableFeatures

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AvailableFeatures

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

Formats the value using the given formatter.