/*
- * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2010, 2015 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#ifdef XNU_KERNEL_PRIVATE
+#include <kern/kern_cdata.h>
#include <mach/sfi_class.h>
+#include <kern/queue.h>
/* defns for task->rsu_controldata */
#define TASK_POLICY_CPU_RESOURCE_USAGE 0
#include <kern/thread.h>
+#include <mach/coalition.h>
#ifdef CONFIG_ATM
#include <atm/atm_internal.h>
#ifdef MACH_BSD
void *bsd_info;
#endif
+ kcdata_descriptor_t corpse_info;
struct vm_shared_region *shared_region;
volatile uint32_t t_flags; /* general-purpose task flags protected by task_lock (TL) */
#define TF_64B_ADDR 0x00000001 /* task has 64-bit addressing */
#define TF_WAKEMON_WARNING 0x00000008 /* task is in wakeups monitor warning zone */
#define TF_TELEMETRY (TF_CPUMON_WARNING | TF_WAKEMON_WARNING) /* task is a telemetry participant */
#define TF_GPU_DENIED 0x00000010 /* task is not allowed to access the GPU */
+#define TF_CORPSE 0x00000020 /* task is a corpse */
+#define TF_PENDING_CORPSE 0x00000040 /* task corpse has not been reported yet */
#define task_has_64BitAddr(task) \
(((task)->t_flags & TF_64B_ADDR) != 0)
#define task_has_64BitData(task) \
(((task)->t_flags & TF_64B_DATA) != 0)
+#define task_is_a_corpse(task) \
+ (((task)->t_flags & TF_CORPSE) != 0)
+
+#define task_set_corpse(task) \
+ ((task)->t_flags |= TF_CORPSE)
+
+#define task_corpse_pending_report(task) \
+ (((task)->t_flags & TF_PENDING_CORPSE) != 0)
+
+#define task_set_corpse_pending_report(task) \
+ ((task)->t_flags |= TF_PENDING_CORPSE)
+
+#define task_clear_corpse_pending_report(task) \
+ ((task)->t_flags &= ~TF_PENDING_CORPSE)
+
mach_vm_address_t all_image_info_addr; /* dyld __all_image_info */
mach_vm_size_t all_image_info_size; /* section location and size */
-#if CONFIG_COUNTERS || KPERF
+#if KPERF
#define TASK_PMC_FLAG 0x1 /* Bit in "t_chud" signifying PMC interest */
#define TASK_KPC_FORCED_ALL_CTRS 0x2 /* Bit in "t_chud" signifying KPC forced all counters */
/*
* Can be merged with imp_donor bits, once the IMPORTANCE_INHERITANCE macro goes away.
*/
- uint32_t low_mem_notified_warn :1, /* warning low memory notification is sent to the task */
- low_mem_notified_critical :1, /* critical low memory notification is sent to the task */
- purged_memory_warn :1, /* purgeable memory of the task is purged for warning level pressure */
- purged_memory_critical :1, /* purgeable memory of the task is purged for critical level pressure */
- mem_notify_reserved :28; /* reserved for future use */
+ uint32_t low_mem_notified_warn :1, /* warning low memory notification is sent to the task */
+ low_mem_notified_critical :1, /* critical low memory notification is sent to the task */
+ purged_memory_warn :1, /* purgeable memory of the task is purged for warning level pressure */
+ purged_memory_critical :1, /* purgeable memory of the task is purged for critical level pressure */
+ low_mem_privileged_listener :1, /* if set, task would like to know about pressure changes before other tasks on the system */
+ mem_notify_reserved :27; /* reserved for future use */
+
+ io_stat_info_t task_io_stats;
+ uint64_t task_immediate_writes __attribute__((aligned(8)));
+ uint64_t task_deferred_writes __attribute__((aligned(8)));
+ uint64_t task_invalidated_writes __attribute__((aligned(8)));
+ uint64_t task_metadata_writes __attribute__((aligned(8)));
- io_stat_info_t task_io_stats;
-
/*
* The cpu_time_qos_stats fields are protected by the task lock
*/
boolean_t task_purgeable_disowning;
boolean_t task_purgeable_disowned;
- /* Coalition is set in task_create_internal and unset in task_deallocate_internal, so it can be referenced without the task lock. */
- coalition_t coalition; /* coalition this task belongs to */
- /* These fields are protected by coalition->lock, not the task lock. */
- queue_chain_t coalition_tasks; /* list of tasks in the coalition */
+ /*
+ * A task's coalition set is "adopted" in task_create_internal
+ * and unset in task_deallocate_internal, so each array member
+ * can be referenced without the task lock.
+ * Note: these fields are protected by coalition->lock,
+ * not the task lock.
+ */
+ coalition_t coalition[COALITION_NUM_TYPES];
+ queue_chain_t task_coalition[COALITION_NUM_TYPES];
+ uint64_t dispatchqueue_offset;
#if HYPERVISOR
void *hv_task_target; /* hypervisor virtual machine object associated with this task */
#endif /* HYPERVISOR */
+
+ queue_head_t io_user_clients;
};
#define task_lock(task) lck_mtx_lock(&(task)->lock)
extern lck_attr_t task_lck_attr;
extern lck_grp_t task_lck_grp;
+#define QOS_OVERRIDE_MODE_OVERHANG_PEAK 0
+#define QOS_OVERRIDE_MODE_IGNORE_OVERRIDE 1
+#define QOS_OVERRIDE_MODE_FINE_GRAINED_OVERRIDE 2
+#define QOS_OVERRIDE_MODE_FINE_GRAINED_OVERRIDE_BUT_IGNORE_DISPATCH 3
+#define QOS_OVERRIDE_MODE_FINE_GRAINED_OVERRIDE_BUT_SINGLE_MUTEX_OVERRIDE 4
+
+extern uint32_t qos_override_mode;
+
#else /* MACH_KERNEL_PRIVATE */
__BEGIN_DECLS
extern kern_return_t task_release(
task_t task);
+/* Suspend/resume a task where the kernel owns the suspend count */
+extern kern_return_t task_suspend_internal( task_t task);
+extern kern_return_t task_resume_internal( task_t task);
+
/* Suspends a task by placing a hold on its threads */
extern kern_return_t task_pidsuspend(
task_t task);
uint32_t pid,
uint64_t uniqueid);
+extern void tasks_system_suspend(boolean_t suspend);
+
#if CONFIG_FREEZE
/* Freeze a task's resident pages */
extern kern_return_t task_create_internal(
task_t parent_task,
- coalition_t parent_coalition,
+ coalition_t *parent_coalitions,
boolean_t inherit_memory,
boolean_t is_64bit,
task_t *child_task); /* OUT */
task_t task);
extern int get_task_numactivethreads(task_t task);
+extern kern_return_t task_collect_crash_info(task_t task);
/* JMM - should just be temporary (implementation in bsd_kern still) */
extern void set_bsdtask_info(task_t,void *);
extern uint64_t get_task_phys_footprint_max(task_t);
extern uint64_t get_task_purgeable_size(task_t);
extern uint64_t get_task_cpu_time(task_t);
+extern uint64_t get_task_dispatchqueue_offset(task_t);
+extern kern_return_t task_convert_phys_footprint_limit(int, int *);
extern kern_return_t task_set_phys_footprint_limit_internal(task_t, int, int *, boolean_t);
extern kern_return_t task_get_phys_footprint_limit(task_t task, int *limit_mb);
int internal;
int iokit_mapped;
int alternate_accounting;
+ int alternate_accounting_compressed;
int phys_footprint;
int internal_compressed;
int purgeable_volatile;
int purgeable_nonvolatile_compressed;
int platform_idle_wakeups;
int interrupt_wakeups;
- int sfi_wait_times[MAX_SFI_CLASS_ID];
+#if CONFIG_SCHED_SFI
+ int sfi_wait_times[MAX_SFI_CLASS_ID];
+#endif /* CONFIG_SCHED_SFI */
#ifdef CONFIG_BANK
int cpu_time_billed_to_me;
int cpu_time_billed_to_others;
/* For use by kernel threads and others who don't hold a reference on the target thread */
extern void proc_set_task_policy_thread(task_t task, uint64_t tid, int category, int flavor, int value);
-extern void proc_set_task_spawnpolicy(task_t task, int apptype, int qos_clamp,
+extern void proc_set_task_spawnpolicy(task_t task, int apptype, int qos_clamp, int role,
ipc_port_t * portwatch_ports, int portwatch_count);
extern void task_set_main_thread_qos(task_t task, thread_t main_thread);
+extern int proc_darwin_role_to_task_role(int darwin_role, int* task_role);
+extern int proc_task_role_to_darwin_role(int task_role);
+
+
/* IO Throttle tiers */
#define THROTTLE_LEVEL_NONE -1
#define THROTTLE_LEVEL_TIER0 0 /* IOPOL_NORMAL, IOPOL_DEFAULT, IOPOL_PASSIVE */
extern int proc_get_darwinbgstate(task_t task, uint32_t *flagsp);
extern boolean_t proc_task_is_tal(task_t task);
+extern int task_get_apptype(task_t);
extern integer_t task_grab_latency_qos(task_t task);
extern void task_policy_create(task_t task, int parent_boosted);
extern void thread_policy_create(thread_t thread);
uint32_t tpt_update_sockets :1,
tpt_update_timers :1,
tpt_update_watchers :1,
- tpt_update_live_donor :1;
+ tpt_update_live_donor :1,
+ tpt_update_coal_sfi :1;
} *task_pend_token_t;
extern void task_policy_update_complete_unlocked(task_t task, thread_t thread, task_pend_token_t pend_token);
thread_t task_findtid(task_t, uint64_t);
void set_thread_iotier_override(thread_t, int policy);
-boolean_t proc_thread_qos_add_override(task_t task, thread_t thread, uint64_t tid, int override_qos, boolean_t first_override_for_resource);
-boolean_t proc_thread_qos_remove_override(task_t task, thread_t thread, uint64_t tid);
+boolean_t proc_thread_qos_add_override(task_t task, thread_t thread, uint64_t tid, int override_qos, boolean_t first_override_for_resource, user_addr_t resource, int resource_type);
+boolean_t proc_thread_qos_remove_override(task_t task, thread_t thread, uint64_t tid, user_addr_t resource, int resource_type);
+boolean_t proc_thread_qos_reset_override(task_t task, thread_t thread, uint64_t tid, user_addr_t resource, int resource_type);
+void proc_thread_qos_deallocate(thread_t thread);
#define TASK_RUSECPU_FLAGS_PROC_LIMIT 0x01
#define TASK_RUSECPU_FLAGS_PERTHR_LIMIT 0x02
extern void task_importance_mark_denap_receiver(task_t task, boolean_t denap);
extern void task_importance_reset(task_t task);
extern void task_atm_reset(task_t task);
+extern void task_bank_reset(task_t task);
+extern void task_bank_init(task_t task);
#if IMPORTANCE_INHERITANCE
#endif /* IMPORTANCE_INHERITANCE */
+extern int task_low_mem_privileged_listener(task_t task, boolean_t new_value, boolean_t *old_value);
extern boolean_t task_has_been_notified(task_t task, int pressurelevel);
extern boolean_t task_used_for_purging(task_t task, int pressurelevel);
extern void task_mark_has_been_notified(task_t task, int pressurelevel);
extern void task_clear_used_for_purging(task_t task);
extern int task_importance_estimate(task_t task);
-/*
- * This should only be used for debugging.
- * pid is stored in audit_token by set_security_token().
- */
-#define audit_token_pid_from_task(task) ((task)->audit_token.val[5])
+extern int task_pid(task_t task);
/* End task_policy */
extern void task_set_gpu_denied(task_t task, boolean_t denied);
extern boolean_t task_is_gpu_denied(task_t task);
+#define TASK_WRITE_IMMEDIATE 0x1
+#define TASK_WRITE_DEFERRED 0x2
+#define TASK_WRITE_INVALIDATED 0x4
+#define TASK_WRITE_METADATA 0x8
+extern void task_update_logical_writes(task_t task, uint32_t io_size, int flags);
+
+extern queue_head_t * task_io_user_clients(task_t task);
+
#endif /* XNU_KERNEL_PRIVATE */
#ifdef KERNEL_PRIVATE
extern void *get_bsdtask_info(task_t);
extern void *get_bsdthreadtask_info(thread_t);
+extern void task_bsdtask_kill(task_t);
extern vm_map_t get_task_map(task_t);
extern ledger_t get_task_ledger(task_t);
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