From 50d91c76582513852e38eb80491f54d44cfb51fc Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Mon, 11 Dec 2023 11:52:02 -0500
Subject: hrtimers: Split out hrtimer_types.h

We need to reduce the scope of what's included in sched.h: task_struct
includes a hrtimer, so split out the core types into their own header.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/hrtimer.h | 44 ++------------------------------------------
 1 file changed, 2 insertions(+), 42 deletions(-)

(limited to 'include/linux/hrtimer.h')

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 02d264ca9dce..87e3bedf8eb0 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -13,13 +13,13 @@
 #define _LINUX_HRTIMER_H
 
 #include <linux/hrtimer_defs.h>
-#include <linux/rbtree.h>
+#include <linux/hrtimer_types.h>
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/percpu-defs.h>
+#include <linux/rbtree.h>
 #include <linux/seqlock.h>
 #include <linux/timer.h>
-#include <linux/timerqueue.h>
 
 struct hrtimer_clock_base;
 struct hrtimer_cpu_base;
@@ -59,14 +59,6 @@ enum hrtimer_mode {
 	HRTIMER_MODE_REL_PINNED_HARD = HRTIMER_MODE_REL_PINNED | HRTIMER_MODE_HARD,
 };
 
-/*
- * Return values for the callback function
- */
-enum hrtimer_restart {
-	HRTIMER_NORESTART,	/* Timer is not restarted */
-	HRTIMER_RESTART,	/* Timer must be restarted */
-};
-
 /*
  * Values to track state of the timer
  *
@@ -94,38 +86,6 @@ enum hrtimer_restart {
 #define HRTIMER_STATE_INACTIVE	0x00
 #define HRTIMER_STATE_ENQUEUED	0x01
 
-/**
- * struct hrtimer - the basic hrtimer structure
- * @node:	timerqueue node, which also manages node.expires,
- *		the absolute expiry time in the hrtimers internal
- *		representation. The time is related to the clock on
- *		which the timer is based. Is setup by adding
- *		slack to the _softexpires value. For non range timers
- *		identical to _softexpires.
- * @_softexpires: the absolute earliest expiry time of the hrtimer.
- *		The time which was given as expiry time when the timer
- *		was armed.
- * @function:	timer expiry callback function
- * @base:	pointer to the timer base (per cpu and per clock)
- * @state:	state information (See bit values above)
- * @is_rel:	Set if the timer was armed relative
- * @is_soft:	Set if hrtimer will be expired in soft interrupt context.
- * @is_hard:	Set if hrtimer will be expired in hard interrupt context
- *		even on RT.
- *
- * The hrtimer structure must be initialized by hrtimer_init()
- */
-struct hrtimer {
-	struct timerqueue_node		node;
-	ktime_t				_softexpires;
-	enum hrtimer_restart		(*function)(struct hrtimer *);
-	struct hrtimer_clock_base	*base;
-	u8				state;
-	u8				is_rel;
-	u8				is_soft;
-	u8				is_hard;
-};
-
 /**
  * struct hrtimer_sleeper - simple sleeper structure
  * @timer:	embedded timer structure
-- 
cgit v1.2.3-59-g8ed1b