#ifndef _KERN_PROCESSOR_H_
#define _KERN_PROCESSOR_H_
#include <mach/boolean.h>
#include <mach/kern_return.h>
#include <kern/kern_types.h>
#include <sys/cdefs.h>
#ifdef MACH_KERNEL_PRIVATE
#include <mach/mach_types.h>
#include <kern/ast.h>
#include <kern/cpu_number.h>
#include <kern/smp.h>
#include <kern/simple_lock.h>
#include <kern/locks.h>
#include <kern/queue.h>
#include <kern/sched.h>
#include <mach/sfi_class.h>
#include <kern/processor_data.h>
#include <kern/cpu_quiesce.h>
#if defined(CONFIG_SCHED_DEFERRED_AST)
#endif
#define PROCESSOR_OFF_LINE 0
#define PROCESSOR_SHUTDOWN 1
#define PROCESSOR_START 2
#define PROCESSOR_IDLE 4
#define PROCESSOR_DISPATCHING 5
#define PROCESSOR_RUNNING 6
#define PROCESSOR_STATE_LEN (PROCESSOR_RUNNING+1)
typedef enum {
PSET_SMP,
} pset_cluster_type_t;
typedef bitmap_t cpumap_t;
struct processor_set {
int online_processor_count;
int load_average;
int cpu_set_low, cpu_set_hi;
int cpu_set_count;
int last_chosen;
cpumap_t cpu_bitmask;
cpumap_t recommended_bitmask;
cpumap_t cpu_state_map[PROCESSOR_STATE_LEN];
cpumap_t primary_map;
#if __SMP__
decl_simple_lock_data(,sched_lock)
#endif
#if defined(CONFIG_SCHED_TRADITIONAL) || defined(CONFIG_SCHED_MULTIQ)
struct run_queue pset_runq;
#endif
struct rt_queue rt_runq;
#if defined(CONFIG_SCHED_TRADITIONAL)
int pset_runq_bound_count;
#endif
cpumap_t pending_AST_cpu_mask;
#if defined(CONFIG_SCHED_DEFERRED_AST)
cpumap_t pending_deferred_AST_cpu_mask;
#endif
cpumap_t pending_spill_cpu_mask;
struct ipc_port * pset_self;
struct ipc_port * pset_name_self;
processor_set_t pset_list;
pset_node_t node;
uint32_t pset_cluster_id;
pset_cluster_type_t pset_cluster_type;
};
extern struct processor_set pset0;
struct pset_node {
processor_set_t psets;
pset_node_t nodes;
pset_node_t node_list;
pset_node_t parent;
};
extern struct pset_node pset_node0;
extern queue_head_t tasks, terminated_tasks, threads, corpse_tasks;
extern int tasks_count, terminated_tasks_count, threads_count;
decl_lck_mtx_data(extern,tasks_threads_lock)
decl_lck_mtx_data(extern,tasks_corpse_lock)
struct processor {
int state;
bool is_SMT;
bool is_recommended;
struct thread *active_thread;
struct thread *next_thread;
struct thread *idle_thread;
processor_set_t processor_set;
int current_pri;
sfi_class_id_t current_sfi_class;
perfcontrol_class_t current_perfctl_class;
int starting_pri;
pset_cluster_type_t current_recommended_pset_type;
int cpu_id;
cpu_quiescent_state_t cpu_quiesce_state;
uint64_t cpu_quiesce_last_checkin;
timer_call_data_t quantum_timer;
uint64_t quantum_end;
uint64_t last_dispatch;
uint64_t kperf_last_sample_time;
uint64_t deadline;
bool first_timeslice;
#if defined(CONFIG_SCHED_TRADITIONAL) || defined(CONFIG_SCHED_MULTIQ)
struct run_queue runq;
#endif
#if defined(CONFIG_SCHED_TRADITIONAL)
int runq_bound_count;
#endif
#if defined(CONFIG_SCHED_GRRR)
struct grrr_run_queue grrr_runq;
#endif
processor_t processor_primary;
processor_t processor_secondary;
struct ipc_port * processor_self;
processor_t processor_list;
processor_data_t processor_data;
};
extern processor_t processor_list;
decl_simple_lock_data(extern,processor_list_lock)
#define MAX_SCHED_CPUS 64
extern processor_t processor_array[MAX_SCHED_CPUS];
extern uint32_t processor_avail_count;
extern processor_t master_processor;
extern boolean_t sched_stats_active;
extern processor_t current_processor(void);
#if __SMP__
#define pset_lock(p) simple_lock(&(p)->sched_lock)
#define pset_unlock(p) simple_unlock(&(p)->sched_lock)
#define pset_lock_init(p) simple_lock_init(&(p)->sched_lock, 0)
#if defined(__arm__) || defined(__arm64__)
#define pset_assert_locked(p) LCK_SPIN_ASSERT(&(p)->sched_lock, LCK_ASSERT_OWNED)
#else
#define pset_assert_locked(p) do { (void)p; } while(0)
#endif
#define rt_lock_lock(p) simple_lock(&SCHED(rt_runq)(p)->rt_lock)
#define rt_lock_unlock(p) simple_unlock(&SCHED(rt_runq)(p)->rt_lock)
#define rt_lock_init(p) simple_lock_init(&SCHED(rt_runq)(p)->rt_lock, 0)
#else
#define pset_lock(p) do { (void)p; } while(0)
#define pset_unlock(p) do { (void)p; } while(0)
#define pset_lock_init(p) do { (void)p; } while(0)
#define pset_assert_locked(p) do { (void)p; } while(0)
#define rt_lock_lock(p) do { (void)p; } while(0)
#define rt_lock_unlock(p) do { (void)p; } while(0)
#define rt_lock_init(p) do { (void)p; } while(0)
#endif
extern void processor_bootstrap(void);
extern void processor_init(
processor_t processor,
int cpu_id,
processor_set_t processor_set);
extern void processor_set_primary(
processor_t processor,
processor_t primary);
extern kern_return_t processor_shutdown(
processor_t processor);
extern void processor_queue_shutdown(
processor_t processor);
extern processor_set_t processor_pset(
processor_t processor);
extern pset_node_t pset_node_root(void);
extern processor_set_t pset_create(
pset_node_t node);
extern void pset_init(
processor_set_t pset,
pset_node_t node);
extern processor_set_t pset_find(
uint32_t cluster_id,
processor_set_t default_pset);
extern kern_return_t processor_info_count(
processor_flavor_t flavor,
mach_msg_type_number_t *count);
#define pset_deallocate(x)
#define pset_reference(x)
extern void machine_run_count(
uint32_t count);
extern processor_t machine_choose_processor(
processor_set_t pset,
processor_t processor);
#define next_pset(p) (((p)->pset_list != PROCESSOR_SET_NULL)? (p)->pset_list: (p)->node->psets)
#define PSET_THING_TASK 0
#define PSET_THING_THREAD 1
extern kern_return_t processor_set_things(
processor_set_t pset,
void **thing_list,
mach_msg_type_number_t *count,
int type);
extern pset_cluster_type_t recommended_pset_type(thread_t thread);
inline static bool
pset_is_recommended(processor_set_t pset)
{
return ((pset->recommended_bitmask & pset->cpu_bitmask) != 0);
}
extern void processor_state_update_idle(processor_t processor);
extern void processor_state_update_from_thread(processor_t processor, thread_t thread);
extern void processor_state_update_explicit(processor_t processor, int pri,
sfi_class_id_t sfi_class, pset_cluster_type_t pset_type,
perfcontrol_class_t perfctl_class);
#define PSET_LOAD_NUMERATOR_SHIFT 16
#define PSET_LOAD_FRACTIONAL_SHIFT 4
inline static int
sched_get_pset_load_average(processor_set_t pset)
{
return pset->load_average >> (PSET_LOAD_NUMERATOR_SHIFT - PSET_LOAD_FRACTIONAL_SHIFT);
}
extern void sched_update_pset_load_average(processor_set_t pset);
inline static void
pset_update_processor_state(processor_set_t pset, processor_t processor, uint new_state)
{
pset_assert_locked(pset);
uint old_state = processor->state;
uint cpuid = processor->cpu_id;
assert(processor->processor_set == pset);
assert(bit_test(pset->cpu_bitmask, cpuid));
assert(old_state < PROCESSOR_STATE_LEN);
assert(new_state < PROCESSOR_STATE_LEN);
processor->state = new_state;
bit_clear(pset->cpu_state_map[old_state], cpuid);
bit_set(pset->cpu_state_map[new_state], cpuid);
if ((old_state == PROCESSOR_RUNNING) || (new_state == PROCESSOR_RUNNING)) {
sched_update_pset_load_average(pset);
}
}
#else
__BEGIN_DECLS
extern void pset_deallocate(
processor_set_t pset);
extern void pset_reference(
processor_set_t pset);
__END_DECLS
#endif
#ifdef KERNEL_PRIVATE
__BEGIN_DECLS
extern unsigned int processor_count;
extern processor_t cpu_to_processor(int cpu);
__END_DECLS
#endif
#endif