1// SPDX-License-Identifier: GPL-2.0
 2
 3//! Time related primitives.
 4//!
 5//! This module contains the kernel APIs related to time and timers that
 6//! have been ported or wrapped for usage by Rust code in the kernel.
 7
 8/// The time unit of Linux kernel. One jiffy equals (1/HZ) second.
 9pub type Jiffies = core::ffi::c_ulong;
10
11/// The millisecond time unit.
12pub type Msecs = core::ffi::c_uint;
13
14/// Converts milliseconds to jiffies.
15#[inline]
16pub fn msecs_to_jiffies(msecs: Msecs) -> Jiffies {
17    // SAFETY: The `__msecs_to_jiffies` function is always safe to call no
18    // matter what the argument is.
19    unsafe { bindings::__msecs_to_jiffies(msecs) }
20}