rust: hrtimer: Add Ktime temporarily

Add Ktime temporarily until hrtimer is refactored to use Instant and
Delta types.

Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Link: https://lore.kernel.org/r/20250423192857.199712-2-fujita.tomonori@gmail.com
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>

diff --git a/rust/kernel/time/hrtimer.rs b/rust/kernel/time/hrtimer.rs
index ce53f8579d186cfc5d986134d6bc595711e01876..17824aa0c0f3ef1120870a6c66e2c9e6e1992a99 100644 (file)
--- a/rust/kernel/time/hrtimer.rs
+++ b/rust/kernel/time/hrtimer.rs
@@ -68,10 +68,26 @@
 //! `start` operation.
 
 use super::ClockId;
-use crate::{prelude::*, time::Ktime, types::Opaque};
+use crate::{prelude::*, types::Opaque};
 use core::marker::PhantomData;
 use pin_init::PinInit;
 
+/// A Rust wrapper around a `ktime_t`.
+// NOTE: Ktime is going to be removed when hrtimer is converted to Instant/Delta.
+#[repr(transparent)]
+#[derive(Copy, Clone, PartialEq, PartialOrd, Eq, Ord)]
+pub struct Ktime {
+    inner: bindings::ktime_t,
+}
+
+impl Ktime {
+    /// Returns the number of nanoseconds.
+    #[inline]
+    pub fn to_ns(self) -> i64 {
+        self.inner
+    }
+}
+
 /// A timer backed by a C `struct hrtimer`.
 ///
 /// # Invariants

diff --git a/rust/kernel/time/hrtimer/arc.rs b/rust/kernel/time/hrtimer/arc.rs
index 4a984d85b4a1041ab1880c2377c39b2c6cb9e4cc..ccf1e66e5b2d5d52002e647ac9d9f59161f44113 100644 (file)
--- a/rust/kernel/time/hrtimer/arc.rs
+++ b/rust/kernel/time/hrtimer/arc.rs
@@ -5,10 +5,10 @@ use super::HrTimer;
 use super::HrTimerCallback;
 use super::HrTimerHandle;
 use super::HrTimerPointer;
+use super::Ktime;
 use super::RawHrTimerCallback;
 use crate::sync::Arc;
 use crate::sync::ArcBorrow;
-use crate::time::Ktime;
 
 /// A handle for an `Arc<HasHrTimer<T>>` returned by a call to
 /// [`HrTimerPointer::start`].

diff --git a/rust/kernel/time/hrtimer/pin.rs b/rust/kernel/time/hrtimer/pin.rs
index f760db265c7b5dddf721f580bbdfbd7cf469364d..293ca9cf058ce4398526a7cdf98f9acd83f19c00 100644 (file)
--- a/rust/kernel/time/hrtimer/pin.rs
+++ b/rust/kernel/time/hrtimer/pin.rs
@@ -4,9 +4,9 @@ use super::HasHrTimer;
 use super::HrTimer;
 use super::HrTimerCallback;
 use super::HrTimerHandle;
+use super::Ktime;
 use super::RawHrTimerCallback;
 use super::UnsafeHrTimerPointer;
-use crate::time::Ktime;
 use core::pin::Pin;
 
 /// A handle for a `Pin<&HasHrTimer>`. When the handle exists, the timer might be

diff --git a/rust/kernel/time/hrtimer/pin_mut.rs b/rust/kernel/time/hrtimer/pin_mut.rs
index 90c0351d62e4be430bcbd555d54f77727b06e03a..6033572d35ad7c74dec380584a4e7ad63df73f23 100644 (file)
--- a/rust/kernel/time/hrtimer/pin_mut.rs
+++ b/rust/kernel/time/hrtimer/pin_mut.rs
@@ -1,9 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0
 
 use super::{
-    HasHrTimer, HrTimer, HrTimerCallback, HrTimerHandle, RawHrTimerCallback, UnsafeHrTimerPointer,
+    HasHrTimer, HrTimer, HrTimerCallback, HrTimerHandle, Ktime, RawHrTimerCallback,
+    UnsafeHrTimerPointer,
 };
-use crate::time::Ktime;
 use core::{marker::PhantomData, pin::Pin, ptr::NonNull};
 
 /// A handle for a `Pin<&mut HasHrTimer>`. When the handle exists, the timer might

diff --git a/rust/kernel/time/hrtimer/tbox.rs b/rust/kernel/time/hrtimer/tbox.rs
index 2071cae072342ac75464d0f70adf134332314aee..29526a5da2037d18c9c525be9309f10de6b95d32 100644 (file)
--- a/rust/kernel/time/hrtimer/tbox.rs
+++ b/rust/kernel/time/hrtimer/tbox.rs
@@ -5,9 +5,9 @@ use super::HrTimer;
 use super::HrTimerCallback;
 use super::HrTimerHandle;
 use super::HrTimerPointer;
+use super::Ktime;
 use super::RawHrTimerCallback;
 use crate::prelude::*;
-use crate::time::Ktime;
 use core::ptr::NonNull;
 
 /// A handle for a [`Box<HasHrTimer<T>>`] returned by a call to