X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..bca245acd4c03fd752d1a45f011ad495e60fe53d:/osfmk/mach/task_policy.h?ds=inline diff --git a/osfmk/mach/task_policy.h b/osfmk/mach/task_policy.h index f4d108896..6aa6e9180 100644 --- a/osfmk/mach/task_policy.h +++ b/osfmk/mach/task_policy.h @@ -1,23 +1,29 @@ /* * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. - * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. - * - * @APPLE_LICENSE_HEADER_END@ + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _MACH_TASK_POLICY_H_ @@ -42,23 +48,23 @@ * and the default ones are being returned instead. */ -typedef natural_t task_policy_flavor_t; -typedef integer_t *task_policy_t; +typedef natural_t task_policy_flavor_t; +typedef integer_t *task_policy_t; /* -kern_return_t task_policy_set( - task_t task, - task_policy_flavor_t flavor, - task_policy_t policy_info, - mach_msg_type_number_t count); - -kern_return_t task_policy_get( - task_t task, - task_policy_flavor_t flavor, - task_policy_t policy_info, - mach_msg_type_number_t *count, - boolean_t *get_default); -*/ + * kern_return_t task_policy_set( + * task_t task, + * task_policy_flavor_t flavor, + * task_policy_t policy_info, + * mach_msg_type_number_t count); + * + * kern_return_t task_policy_get( + * task_t task, + * task_policy_flavor_t flavor, + * task_policy_t policy_info, + * mach_msg_type_number_t *count, + * boolean_t *get_default); + */ /* * Defined flavors. @@ -95,27 +101,345 @@ kern_return_t task_policy_get( * a time with this designation, which is assigned FCFS. */ -#define TASK_CATEGORY_POLICY 1 +#define TASK_CATEGORY_POLICY 1 + +#define TASK_SUPPRESSION_POLICY 3 +#define TASK_POLICY_STATE 4 +#define TASK_BASE_QOS_POLICY 8 +#define TASK_OVERRIDE_QOS_POLICY 9 +#define TASK_BASE_LATENCY_QOS_POLICY 10 +#define TASK_BASE_THROUGHPUT_QOS_POLICY 11 + enum task_role { - TASK_RENICED = -1, - TASK_UNSPECIFIED = 0, - TASK_FOREGROUND_APPLICATION, - TASK_BACKGROUND_APPLICATION, - TASK_CONTROL_APPLICATION, - TASK_GRAPHICS_SERVER + TASK_RENICED = -1, + TASK_UNSPECIFIED = 0, + TASK_FOREGROUND_APPLICATION = 1, + TASK_BACKGROUND_APPLICATION = 2, + TASK_CONTROL_APPLICATION = 3, + TASK_GRAPHICS_SERVER = 4, + TASK_THROTTLE_APPLICATION = 5, + TASK_NONUI_APPLICATION = 6, + TASK_DEFAULT_APPLICATION = 7, + TASK_DARWINBG_APPLICATION = 8, }; -typedef enum task_role task_role_t; +typedef integer_t task_role_t; struct task_category_policy { - task_role_t role; + task_role_t role; }; -typedef struct task_category_policy task_category_policy_data_t; -typedef struct task_category_policy *task_category_policy_t; +typedef struct task_category_policy task_category_policy_data_t; +typedef struct task_category_policy *task_category_policy_t; -#define TASK_CATEGORY_POLICY_COUNT ((mach_msg_type_number_t) \ +#define TASK_CATEGORY_POLICY_COUNT ((mach_msg_type_number_t) \ (sizeof (task_category_policy_data_t) / sizeof (integer_t))) -#endif /* _MACH_TASK_POLICY_H_ */ + +enum task_latency_qos { + LATENCY_QOS_TIER_UNSPECIFIED = 0x0, + LATENCY_QOS_TIER_0 = ((0xFF << 16) | 1), + LATENCY_QOS_TIER_1 = ((0xFF << 16) | 2), + LATENCY_QOS_TIER_2 = ((0xFF << 16) | 3), + LATENCY_QOS_TIER_3 = ((0xFF << 16) | 4), + LATENCY_QOS_TIER_4 = ((0xFF << 16) | 5), + LATENCY_QOS_TIER_5 = ((0xFF << 16) | 6) +}; +typedef integer_t task_latency_qos_t; +enum task_throughput_qos { + THROUGHPUT_QOS_TIER_UNSPECIFIED = 0x0, + THROUGHPUT_QOS_TIER_0 = ((0xFE << 16) | 1), + THROUGHPUT_QOS_TIER_1 = ((0xFE << 16) | 2), + THROUGHPUT_QOS_TIER_2 = ((0xFE << 16) | 3), + THROUGHPUT_QOS_TIER_3 = ((0xFE << 16) | 4), + THROUGHPUT_QOS_TIER_4 = ((0xFE << 16) | 5), + THROUGHPUT_QOS_TIER_5 = ((0xFE << 16) | 6), +}; + +#define LATENCY_QOS_LAUNCH_DEFAULT_TIER LATENCY_QOS_TIER_3 +#define THROUGHPUT_QOS_LAUNCH_DEFAULT_TIER THROUGHPUT_QOS_TIER_3 + +typedef integer_t task_throughput_qos_t; + +struct task_qos_policy { + task_latency_qos_t task_latency_qos_tier; + task_throughput_qos_t task_throughput_qos_tier; +}; + +typedef struct task_qos_policy *task_qos_policy_t; +#define TASK_QOS_POLICY_COUNT ((mach_msg_type_number_t) \ + (sizeof (struct task_qos_policy) / sizeof (integer_t))) + +/* These should be removed - they belong in proc_info.h */ +#define PROC_FLAG_DARWINBG 0x8000 /* process in darwin background */ +#define PROC_FLAG_EXT_DARWINBG 0x10000 /* process in darwin background - external enforcement */ +#define PROC_FLAG_IOS_APPLEDAEMON 0x20000 /* process is apple ios daemon */ +#define PROC_FLAG_IOS_IMPPROMOTION 0x80000 /* process is apple ios daemon */ +#define PROC_FLAG_ADAPTIVE 0x100000 /* Process is adaptive */ +#define PROC_FLAG_ADAPTIVE_IMPORTANT 0x200000 /* Process is adaptive, and is currently important */ +#define PROC_FLAG_IMPORTANCE_DONOR 0x400000 /* Process is marked as an importance donor */ +#define PROC_FLAG_SUPPRESSED 0x800000 /* Process is suppressed */ +#define PROC_FLAG_APPLICATION 0x1000000 /* Process is an application */ +#define PROC_FLAG_IOS_APPLICATION PROC_FLAG_APPLICATION /* Process is an application */ + +#ifdef PRIVATE + +/* + * Internal bitfields are privately exported for *revlocked* + * tools like msa to decode tracepoints and taskinfo to dump state + * + * These struct definitions *will* change in the future. + * When they do, we will update TASK_POLICY_INTERNAL_STRUCT_VERSION. + */ + +#define TASK_POLICY_INTERNAL_STRUCT_VERSION 2 + +struct task_requested_policy { + uint64_t trp_int_darwinbg :1, /* marked as darwinbg via setpriority */ + trp_ext_darwinbg :1, + trp_int_iotier :2, /* IO throttle tier */ + trp_ext_iotier :2, + trp_int_iopassive :1, /* should IOs cause lower tiers to be throttled */ + trp_ext_iopassive :1, + trp_bg_iotier :2, /* what IO throttle tier should apply to me when I'm darwinbg? (pushed to threads) */ + trp_terminated :1, /* all throttles should be removed for quick exit or SIGTERM handling */ + trp_base_latency_qos :3, /* Timer latency QoS */ + trp_base_through_qos :3, /* Computation throughput QoS */ + + trp_apptype :3, /* What apptype did launchd tell us this was (inherited) */ + trp_boosted :1, /* Has a non-zero importance assertion count */ + trp_role :4, /* task's system role */ + trp_tal_enabled :1, /* TAL mode is enabled */ + trp_over_latency_qos :3, /* Timer latency QoS override */ + trp_over_through_qos :3, /* Computation throughput QoS override */ + trp_sfi_managed :1, /* SFI Managed task */ + trp_qos_clamp :3, /* task qos clamp */ + + /* suppression policies (non-embedded only) */ + trp_sup_active :1, /* Suppression is on */ + trp_sup_lowpri_cpu :1, /* Wants low priority CPU (MAXPRI_THROTTLE) */ + trp_sup_timer :3, /* Wanted timer throttling QoS tier */ + trp_sup_disk :1, /* Wants disk throttling */ + trp_sup_throughput :3, /* Wants throughput QoS tier */ + trp_sup_cpu :1, /* Wants suppressed CPU priority (MAXPRI_SUPPRESSED) */ + trp_sup_bg_sockets :1, /* Wants background sockets */ + + trp_reserved :17; +}; + +struct task_effective_policy { + uint64_t tep_darwinbg :1, /* marked as 'background', and sockets are marked bg when created */ + tep_lowpri_cpu :1, /* cpu priority == MAXPRI_THROTTLE */ + tep_io_tier :2, /* effective throttle tier */ + tep_io_passive :1, /* should IOs cause lower tiers to be throttled */ + tep_all_sockets_bg :1, /* All existing sockets in process are marked as bg (thread: all created by thread) */ + tep_new_sockets_bg :1, /* Newly created sockets should be marked as bg */ + tep_bg_iotier :2, /* What throttle tier should I be in when darwinbg is set? */ + tep_terminated :1, /* all throttles have been removed for quick exit or SIGTERM handling */ + tep_qos_ui_is_urgent :1, /* bump UI-Interactive QoS up to the urgent preemption band */ + tep_latency_qos :3, /* Timer latency QoS level */ + tep_through_qos :3, /* Computation throughput QoS level */ + + tep_tal_engaged :1, /* TAL mode is in effect */ + tep_watchers_bg :1, /* watchers are BG-ed */ + tep_sup_active :1, /* suppression behaviors are in effect */ + tep_role :4, /* task's system role */ + tep_suppressed_cpu :1, /* cpu priority == MAXPRI_SUPPRESSED (trumped by lowpri_cpu) */ + tep_sfi_managed :1, /* SFI Managed task */ + tep_live_donor :1, /* task is a live importance boost donor */ + tep_qos_clamp :3, /* task qos clamp (applies to qos-disabled threads too) */ + tep_qos_ceiling :3, /* task qos ceiling (applies to only qos-participating threads) */ + + tep_reserved :31; +}; + +#endif /* PRIVATE */ + +#ifdef MACH_KERNEL_PRIVATE + +extern const struct task_requested_policy default_task_requested_policy; +extern const struct task_effective_policy default_task_effective_policy; + +extern kern_return_t + qos_latency_policy_validate(task_latency_qos_t); + +extern kern_return_t + qos_throughput_policy_validate(task_throughput_qos_t); + +extern uint32_t + qos_extract(uint32_t); + +extern uint32_t + qos_latency_policy_package(uint32_t); +extern uint32_t + qos_throughput_policy_package(uint32_t); + +#endif /* MACH_KERNEL_PRIVATE */ + +#ifdef PRIVATE + +/* + * Control structure for applying suppression behaviors to tasks + */ +struct task_suppression_policy { + integer_t active; + integer_t lowpri_cpu; /* priority MAXPRI_THROTTLE cpu */ + integer_t timer_throttle; + integer_t disk_throttle; + integer_t cpu_limit; + integer_t suspend; + integer_t throughput_qos; + integer_t suppressed_cpu; /* priority MAXPRI_SUPPRESSED cpu */ + integer_t background_sockets; + integer_t reserved[7]; +}; + +typedef struct task_suppression_policy *task_suppression_policy_t; + +#define TASK_SUPPRESSION_POLICY_COUNT ((mach_msg_type_number_t) \ + (sizeof (struct task_suppression_policy) / sizeof (integer_t))) + +struct task_policy_state { + uint64_t requested; + uint64_t effective; + uint64_t pending; + uint32_t imp_assertcnt; + uint32_t imp_externcnt; + uint64_t flags; + uint64_t imp_transitions; + uint64_t tps_requested_policy; + uint64_t tps_effective_policy; +}; + +typedef struct task_policy_state *task_policy_state_t; + +#define TASK_POLICY_STATE_COUNT ((mach_msg_type_number_t) \ + (sizeof (struct task_policy_state) / sizeof (integer_t))) + + +/* + * Definitions for munging and unmunging a policy struct + * Used in task_policy_state and in tracepoints + * + * Note: this is tightly bound to the implementation of task policy + * and the values exported through this API may change or change meaning at any time + * + * Do not rely on these values, especially apptype, to decide behaviors at runtime. + * + * All per-thread state must be in the first 32 bits of the bitfield. + */ + +#define TASK_APPTYPE_NONE 0 +#define TASK_APPTYPE_DAEMON_INTERACTIVE 1 +#define TASK_APPTYPE_DAEMON_STANDARD 2 +#define TASK_APPTYPE_DAEMON_ADAPTIVE 3 +#define TASK_APPTYPE_DAEMON_BACKGROUND 4 +#define TASK_APPTYPE_APP_DEFAULT 5 +#define TASK_APPTYPE_APP_TAL 6 +#define TASK_APPTYPE_DRIVER 7 + +/* task policy state flags */ +#define TASK_IMP_RECEIVER 0x00000001 +#define TASK_IMP_DONOR 0x00000002 +#define TASK_IMP_LIVE_DONOR 0x00000004 +#define TASK_DENAP_RECEIVER 0x00000008 + +/* requested_policy */ +#define POLICY_REQ_INT_DARWIN_BG 0x00000001 +#define POLICY_REQ_EXT_DARWIN_BG 0x00000002 +#define POLICY_REQ_INT_IO_TIER_MASK 0x0000000c /* 2 bits */ +#define POLICY_REQ_INT_IO_TIER_SHIFT 2 +#define POLICY_REQ_EXT_IO_TIER_MASK 0x00000030 /* 2 bits */ +#define POLICY_REQ_EXT_IO_TIER_SHIFT 4 +#define POLICY_REQ_INT_PASSIVE_IO 0x00000040 +#define POLICY_REQ_EXT_PASSIVE_IO 0x00000080 +#define POLICY_REQ_BG_IOTIER_MASK 0x00000300 /* 2 bits */ +#define POLICY_REQ_BG_IOTIER_SHIFT 8 + +/* thread requested policy */ +#define POLICY_REQ_PIDBIND_BG 0x00000400 +#define POLICY_REQ_WORKQ_BG 0x00000800 /* deprecated */ +#define POLICY_REQ_TH_QOS_MASK 0x07000000 /* 3 bits (overlaps with ROLE) */ +#define POLICY_REQ_TH_QOS_SHIFT 24 +#define POLICY_REQ_TH_QOS_OVER_MASK 0x70000000 /* 3 bits (overlaps with TAL and SFI) */ +#define POLICY_REQ_TH_QOS_OVER_SHIFT 28 + +/* task_requested_policy */ +#define POLICY_REQ_TERMINATED 0x00001000 +#define POLICY_REQ_BOOSTED 0x00002000 +#define POLICY_REQ_INT_GPU_DENY 0x00004000 +#define POLICY_REQ_EXT_GPU_DENY 0x00008000 +#define POLICY_REQ_APPTYPE_MASK 0x00070000 /* 3 bits */ +#define POLICY_REQ_APPTYPE_SHIFT 16 +#define POLICY_REQ_BASE_LATENCY_QOS_MASK 0x00700000 /* 3 bits */ +#define POLICY_REQ_BASE_LATENCY_QOS_SHIFT 20 +#define POLICY_REQ_ROLE_MASK 0x07000000 /* 3 bits */ +#define POLICY_REQ_ROLE_SHIFT 24 +#define POLICY_REQ_TAL_ENABLED 0x40000000 +#define POLICY_REQ_SFI_MANAGED 0x80000000 + +/* requested suppression behaviors (note: clipped off in 32-bit tracepoints) */ +#define POLICY_REQ_SUP_ACTIVE 0x0000000100000000 +#define POLICY_REQ_SUP_LOWPRI_CPU 0x0000000200000000 +#define POLICY_REQ_SUP_CPU 0x0000000400000000 +#define POLICY_REQ_SUP_DISK_THROTTLE 0x0000003000000000 /* 2 bits */ +#define POLICY_REQ_SUP_CPU_LIMIT 0x0000004000000000 +#define POLICY_REQ_SUP_SUSPEND 0x0000008000000000 +#define POLICY_REQ_OVER_LATENCY_QOS_MASK 0x0000070000000000 /* 3 bits */ +#define POLICY_REQ_OVER_LATENCY_QOS_SHIFT 40 +#define POLICY_REQ_BASE_THROUGH_QOS_MASK 0x0000700000000000 /* 3 bits */ +#define POLICY_REQ_BASE_THROUGH_QOS_SHIFT 44 +#define POLICY_REQ_OVER_THROUGH_QOS_MASK 0x0007000000000000 /* 3 bits */ +#define POLICY_REQ_OVER_THROUGH_QOS_SHIFT 48 +#define POLICY_REQ_SUP_TIMER_THROTTLE_MASK 0x0070000000000000 /* 3 bits */ +#define POLICY_REQ_SUP_TIMER_THROTTLE_SHIFT 52 +#define POLICY_REQ_SUP_THROUGHPUT_MASK 0x0700000000000000 /* 3 bits */ +#define POLICY_REQ_SUP_THROUGHPUT_SHIFT 56 +#define POLICY_REQ_SUP_BG_SOCKETS 0x0800008000000000 +#define POLICY_REQ_QOS_CLAMP_MASK 0x7000000000000000 /* 3 bits */ +#define POLICY_REQ_QOS_CLAMP_SHIFT 60 + +/* effective policy */ +#define POLICY_EFF_IO_TIER_MASK 0x00000003 /* 2 bits */ +#define POLICY_EFF_IO_TIER_SHIFT 0 +#define POLICY_EFF_IO_PASSIVE 0x00000008 +#define POLICY_EFF_DARWIN_BG 0x00000010 +#define POLICY_EFF_LOWPRI_CPU 0x00000020 +#define POLICY_EFF_ALL_SOCKETS_BG 0x00000040 +#define POLICY_EFF_NEW_SOCKETS_BG 0x00000080 +#define POLICY_EFF_BG_IOTIER_MASK 0x00000300 /* 2 bits */ +#define POLICY_EFF_BG_IOTIER_SHIFT 8 +#define POLICY_EFF_TERMINATED 0x00000400 +#define POLICY_EFF_QOS_UI_IS_URGENT 0x80000000 + +/* thread effective policy */ +#define POLICY_EFF_TH_QOS_MASK 0x00700000 /* 3 bits (overlaps with ROLE) */ +#define POLICY_EFF_TH_QOS_SHIFT 20 +#define POLICY_EFF_LATENCY_QOS_MASK 0x00070000 /* 3 bits */ +#define POLICY_EFF_LATENCY_QOS_SHIFT 16 +#define POLICY_EFF_THROUGH_QOS_MASK 0x07000000 /* 3 bits */ +#define POLICY_EFF_THROUGH_QOS_SHIFT 24 + +/* task effective policy */ +#define POLICY_EFF_GPU_DENY 0x00001000 +#define POLICY_EFF_TAL_ENGAGED 0x00002000 +#define POLICY_EFF_SUSPENDED 0x00004000 +#define POLICY_EFF_WATCHERS_BG 0x00008000 +#define POLICY_EFF_SUP_ACTIVE 0x00080000 +#define POLICY_EFF_ROLE_MASK 0x00700000 /* 3 bits */ +#define POLICY_EFF_ROLE_SHIFT 20 +#define POLICY_EFF_SUP_CPU 0x00800000 +#define POLICY_EFF_SFI_MANAGED 0x08000000 +#define POLICY_EFF_QOS_CEILING_MASK 0x70000000 +#define POLICY_EFF_QOS_CEILING_SHIFT 28 + +/* pending policy */ +#define POLICY_PEND_UPDATING 0x00000001 +#define POLICY_PEND_SOCKETS 0x00000002 +#define POLICY_PEND_TIMERS 0x00000004 +#define POLICY_PEND_WATCHERS 0x00000008 + +#endif /* PRIVATE */ + +#endif /* _MACH_TASK_POLICY_H_ */