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-rw-r--r--rust/bindings/bindings_helper.h1
-rw-r--r--rust/kernel/lib.rs1
-rw-r--r--rust/kernel/time.rs20
3 files changed, 22 insertions, 0 deletions
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index c0cb4b05b918..936651110c39 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -9,6 +9,7 @@
#include <kunit/test.h>
#include <linux/errname.h>
#include <linux/ethtool.h>
+#include <linux/jiffies.h>
#include <linux/mdio.h>
#include <linux/phy.h>
#include <linux/slab.h>
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) }
+}