#define _KERN_TIMER_CALL_H_
#include <mach/mach_types.h>
+#include <kern/kern_types.h>
-#ifdef MACH_KERNEL_PRIVATE
+#ifdef XNU_KERNEL_PRIVATE
#include <kern/call_entry.h>
+#include <kern/simple_lock.h>
+
+#ifdef MACH_KERNEL_PRIVATE
+#include <kern/queue.h>
+
+extern boolean_t mach_timer_coalescing_enabled;
+extern void timer_call_queue_init(mpqueue_head_t *);
+#endif
/*
* NOTE: for now, bsd/dev/dtrace/dtrace_glue.c has its own definition
boolean_t async_dequeue; /* this field is protected by
call_entry queue's lock */
uint64_t ttd; /* Time to deadline at creation */
-} *timer_call_t;
-
-typedef void *timer_call_param_t;
-typedef void (*timer_call_func_t)(
- timer_call_param_t param0,
- timer_call_param_t param1);
-#define TIMER_CALL_CRITICAL 0x01
-#define TIMER_CALL_LOCAL 0x02
+} timer_call_data_t, *timer_call_t;
+
+#define EndOfAllTime 0xFFFFFFFFFFFFFFFFULL
+
+typedef void *timer_call_param_t;
+typedef void (*timer_call_func_t)(
+ timer_call_param_t param0,
+ timer_call_param_t param1);
+
+/*
+ * Flags to alter the default timer/timeout coalescing behavior
+ * on a per-timer_call basis.
+ *
+ * The SYS urgency classes indicate that the timer_call is not
+ * directly related to the current thread at the time the timer_call
+ * is entered, so it is ignored in the calculation entirely (only
+ * the subclass specified is used).
+ *
+ * The USER flags indicate that both the current thread scheduling and QoS
+ * attributes, in addition to the per-timer_call urgency specification,
+ * are used to establish coalescing behavior.
+ */
+#define TIMER_CALL_SYS_NORMAL TIMEOUT_URGENCY_SYS_NORMAL
+#define TIMER_CALL_SYS_CRITICAL TIMEOUT_URGENCY_SYS_CRITICAL
+#define TIMER_CALL_SYS_BACKGROUND TIMEOUT_URGENCY_SYS_BACKGROUND
+
+#define TIMER_CALL_USER_MASK TIMEOUT_URGENCY_USER_MASK
+#define TIMER_CALL_USER_NORMAL TIMEOUT_URGENCY_USER_NORMAL
+#define TIMER_CALL_USER_CRITICAL TIMEOUT_URGENCY_USER_CRITICAL
+#define TIMER_CALL_USER_BACKGROUND TIMEOUT_URGENCY_USER_BACKGROUND
+
+#define TIMER_CALL_URGENCY_MASK TIMEOUT_URGENCY_MASK
+
+/*
+ * Indicate that a specific leeway value is being provided (otherwise
+ * the leeway parameter is ignored). This supplied value can currently
+ * only be used to extend the leeway calculated internally from the
+ * urgency class provided.
+ */
+#define TIMER_CALL_LEEWAY TIMEOUT_URGENCY_LEEWAY
+
+/*
+ * Non-migratable timer_call
+ */
+#define TIMER_CALL_LOCAL TIMEOUT_URGENCY_FIRST_AVAIL
+#define TIMER_CALL_RATELIMITED TIMEOUT_URGENCY_RATELIMITED
extern boolean_t timer_call_enter(
- timer_call_t call,
- uint64_t deadline,
- uint32_t flags);
+ timer_call_t call,
+ uint64_t deadline,
+ uint32_t flags);
extern boolean_t timer_call_enter1(
+ timer_call_t call,
+ timer_call_param_t param1,
+ uint64_t deadline,
+ uint32_t flags);
+
+extern boolean_t timer_call_enter_with_leeway(
timer_call_t call,
timer_call_param_t param1,
uint64_t deadline,
- uint32_t flags);
+ uint64_t leeway,
+ uint32_t flags,
+ boolean_t ratelimited);
-extern boolean_t timer_call_cancel(
- timer_call_t call);
+extern boolean_t timer_call_quantum_timer_enter(
+ timer_call_t call,
+ timer_call_param_t param1,
+ uint64_t deadline,
+ uint64_t ctime);
-typedef struct timer_call timer_call_data_t;
+extern boolean_t timer_call_cancel(
+ timer_call_t call);
-extern void timer_call_initialize(void);
+extern boolean_t timer_call_quantum_timer_cancel(
+ timer_call_t call);
-extern void timer_call_initialize_queue(mpqueue_head_t *);
+extern void timer_call_init(void);
extern void timer_call_setup(
- timer_call_t call,
- timer_call_func_t func,
- timer_call_param_t param0);
+ timer_call_t call,
+ timer_call_func_t func,
+ timer_call_param_t param0);
+
+extern int timer_get_user_idle_level(void);
+extern kern_return_t timer_set_user_idle_level(int ilevel);
+
+#define NUM_LATENCY_QOS_TIERS (6)
+typedef struct {
+ uint32_t powergate_latency_abstime;
+
+ uint32_t idle_entry_timer_processing_hdeadline_threshold_abstime;
+ uint32_t interrupt_timer_coalescing_ilat_threshold_abstime;
+ uint32_t timer_resort_threshold_abstime;
+
+ 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_abstime_max;
+ uint64_t timer_coalesce_bg_abstime_max;
+ uint64_t timer_coalesce_kt_abstime_max;
+ uint64_t timer_coalesce_fp_abstime_max;
+ uint64_t timer_coalesce_ts_abstime_max;
+
+ uint32_t latency_qos_scale[NUM_LATENCY_QOS_TIERS];
+ uint64_t latency_qos_abstime_max[NUM_LATENCY_QOS_TIERS];
+ boolean_t latency_tier_rate_limited[NUM_LATENCY_QOS_TIERS];
+} timer_coalescing_priority_params_t;
+extern timer_coalescing_priority_params_t tcoal_prio_params;
-#endif /* MACH_KERNEL_PRIVATE */
+#endif /* XNU_KERNEL_PRIVATE */
#endif /* _KERN_TIMER_CALL_H_ */
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