X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/c910b4d9d2451126ae3917b931cd4390c11e1d52..cc8bc92ae4a8e9f1a1ab61bf83d34ad8150b3405:/osfmk/kern/timer_queue.h

diff --git a/osfmk/kern/timer_queue.h b/osfmk/kern/timer_queue.h
index 050b09afa..99284d42e 100644
--- a/osfmk/kern/timer_queue.h
+++ b/osfmk/kern/timer_queue.h
@@ -38,32 +38,156 @@
 
 #include <kern/queue.h>
 
+/* Kernel trace events associated with timers and timer queues */
+#define DECR_TRAP_LATENCY	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 0)
+#define DECR_SET_DEADLINE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 1)
+#define DECR_TIMER_CALLOUT	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 2)
+#define DECR_PM_DEADLINE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 3)
+#define DECR_TIMER_MIGRATE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 4)
+#if defined(i386) || defined(x86_64)
+#define DECR_RDHPET		MACHDBG_CODE(DBG_MACH_EXCP_DECI, 5)
+#define DECR_SET_TSC_DEADLINE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 6)
+#define DECR_SET_APIC_DEADLINE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 16)
+#endif
+#define DECR_TIMER_ENTER	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 7)
+#define DECR_TIMER_CANCEL	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 8)
+#define DECR_TIMER_QUEUE	MACHDBG_CODE(DBG_MACH_EXCP_DECI, 9)
+#define DECR_TIMER_EXPIRE	MACHDBG_CODE(DBG_MACH_EXCP_DECI,10)
+#define DECR_TIMER_ASYNC_DEQ	MACHDBG_CODE(DBG_MACH_EXCP_DECI,11)
+#define DECR_TIMER_UPDATE	MACHDBG_CODE(DBG_MACH_EXCP_DECI,12)
+#define DECR_TIMER_ESCALATE	MACHDBG_CODE(DBG_MACH_EXCP_DECI,13)
+#define DECR_TIMER_OVERDUE	MACHDBG_CODE(DBG_MACH_EXCP_DECI,14)
+#define DECR_TIMER_RESCAN	MACHDBG_CODE(DBG_MACH_EXCP_DECI,15)
+
 /*
  *	Invoked by kernel, implemented by platform.
  */
 
 /* Request an expiration deadline, returns queue association */
-extern queue_t		timer_queue_assign(
-						uint64_t		deadline);
+extern mpqueue_head_t *	timer_queue_assign(
+				uint64_t		deadline);
+
+extern uint64_t		timer_call_slop(
+				uint64_t		deadline,
+				uint64_t		armtime,
+				uint32_t		urgency,
+				thread_t		arming_thread,
+				boolean_t		*rlimited);
+extern boolean_t	timer_resort_threshold(uint64_t);
 
 /* Cancel an associated expiration deadline and specify new deadline */
-extern void			timer_queue_cancel(
-						queue_t			queue,
-						uint64_t		deadline,
-						uint64_t		new_deadline);
+extern void		timer_queue_cancel(
+				mpqueue_head_t		*queue,
+				uint64_t		deadline,
+				uint64_t		new_deadline);
+
+/* Return a pointer to the local timer queue for a given cpu */
+extern mpqueue_head_t *	timer_queue_cpu(
+				int			cpu);
+
+/* Call a function with argument on a cpu */
+extern void 		timer_call_cpu(
+				int			cpu,
+				void			(*fn)(void *),
+				void			*arg);
+
+/* Queue a function to be called with argument on a cpu */
+extern void		timer_call_nosync_cpu(
+				int			cpu,
+				void			(*fn)(void *),
+				void			*arg);
 
 /*
  *	Invoked by platform, implemented by kernel.
  */
 
+/*
+ *	Invoked by kernel, implemented by platform.
+ */
+
+#define NUM_LATENCY_QOS_TIERS (6)
+
+typedef struct {
+	uint32_t idle_entry_timer_processing_hdeadline_threshold_ns;
+	uint32_t interrupt_timer_coalescing_ilat_threshold_ns;
+	uint32_t timer_resort_threshold_ns;
+
+	int32_t timer_coalesce_rt_shift;
+	int32_t timer_coalesce_bg_shift;
+	int32_t timer_coalesce_kt_shift;
+	int32_t timer_coalesce_fp_shift;
+	int32_t timer_coalesce_ts_shift;
+
+	uint64_t timer_coalesce_rt_ns_max;
+	uint64_t timer_coalesce_bg_ns_max;
+	uint64_t timer_coalesce_kt_ns_max;
+	uint64_t timer_coalesce_fp_ns_max;
+	uint64_t timer_coalesce_ts_ns_max;
+
+	uint32_t latency_qos_scale[NUM_LATENCY_QOS_TIERS];
+	uint64_t latency_qos_ns_max[NUM_LATENCY_QOS_TIERS];
+	boolean_t latency_tier_rate_limited[NUM_LATENCY_QOS_TIERS];
+} timer_coalescing_priority_params_ns_t;
+
+extern timer_coalescing_priority_params_ns_t * timer_call_get_priority_params(void);
+
+
+extern uint64_t		timer_call_slop(
+	uint64_t		deadline,
+	uint64_t		armtime,
+	uint32_t		urgency,
+	thread_t		arming_thread,
+	boolean_t		*rlimited);
+
 /* Process deadline expiration for queue, returns new deadline */
 extern uint64_t		timer_queue_expire(
-						queue_t			queue,
-						uint64_t		deadline);
+				mpqueue_head_t		*queue,
+				uint64_t		deadline);
+
+extern uint64_t		timer_queue_expire_with_options(
+				mpqueue_head_t *,
+				uint64_t,
+				boolean_t);
+
+extern void		quantum_timer_expire(
+				uint64_t		deadline);
 
 /* Shutdown a timer queue and reassign existing activities */
-extern void			timer_queue_shutdown(
-						queue_t			queue);
+extern void		timer_queue_shutdown(
+				mpqueue_head_t		*queue);
+
+/* Move timer requests from one queue to another */
+extern int		timer_queue_migrate(
+				mpqueue_head_t		*from,
+				mpqueue_head_t		*to);
+
+/*
+ *	Invoked by platform, implemented by platfrom.
+ */
+
+extern void		timer_intr(int inuser, uint64_t iaddr);
+
+#if defined(i386) || defined(x86_64)
+extern uint64_t		setPop(uint64_t time);
+#else
+extern int		setPop(uint64_t time);
+#endif
+
+extern void		timer_resync_deadlines(void);
+
+extern void		timer_set_deadline(uint64_t deadline);
+
+extern void		quantum_timer_set_deadline(uint64_t deadline);
+
+/* Migrate the local timer queue of a given cpu to the master cpu */
+extern uint32_t		timer_queue_migrate_cpu(int target_cpu);
+
+extern void		timer_queue_trace(
+				mpqueue_head_t		*queue);
+extern void		timer_queue_trace_cpu(int cpu);
+
+extern uint64_t		timer_sysctl_get(int oid);
+extern int		timer_sysctl_set(int oid, uint64_t value);
 
 #endif	/* MACH_KERNEL_PRIVATE */