diff options
Diffstat (limited to 'rust/kernel')
| -rw-r--r-- | rust/kernel/lib.rs | 1 | ||||
| -rw-r--r-- | rust/kernel/time.rs | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs index cb2d024db51f..b89ecf4e97a0 100644 --- a/rust/kernel/lib.rs +++ b/rust/kernel/lib.rs @@ -48,6 +48,7 @@ pub mod std_vendor; pub mod str; pub mod sync; pub mod task; +pub mod time; pub mod types; pub mod workqueue; diff --git a/rust/kernel/time.rs b/rust/kernel/time.rs new file mode 100644 index 000000000000..25a896eed468 --- /dev/null +++ b/rust/kernel/time.rs @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 + +//! Time related primitives. +//! +//! This module contains the kernel APIs related to time and timers that +//! have been ported or wrapped for usage by Rust code in the kernel. + +/// The time unit of Linux kernel. One jiffy equals (1/HZ) second. +pub type Jiffies = core::ffi::c_ulong; + +/// The millisecond time unit. +pub type Msecs = core::ffi::c_uint; + +/// Converts milliseconds to jiffies. +#[inline] +pub fn msecs_to_jiffies(msecs: Msecs) -> Jiffies { + // SAFETY: The `__msecs_to_jiffies` function is always safe to call no + // matter what the argument is. + unsafe { bindings::__msecs_to_jiffies(msecs) } +} |