io_uring::opcode

Struct UringCmd16

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pub struct UringCmd16 { /* private fields */ }
Expand description

A file/device-specific 16-byte command, akin (but not equivalent) to ioctl(2).

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impl UringCmd16

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pub const CODE: u8 = 46u8

The opcode of the operation. This can be passed to Probe::is_supported to check if this operation is supported with the current kernel.

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pub fn new(fd: impl UseFixed, cmd_op: u32) -> Self

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pub const fn buf_index(self, buf_index: Option<u16>) -> Self

The buf_index is an index into an array of fixed buffers, and is only valid if fixed buffers were registered.

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pub const fn cmd(self, cmd: [u8; 16]) -> Self

Arbitrary command data.

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pub fn build(self) -> Entry

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