1/* 2 * Copyright (c) 2010 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#ifndef _SYS_PROCESS_POLICY_H 30#define _SYS_PROCESS_POLICY_H 31 32#include <sys/cdefs.h> 33#include <sys/param.h> 34#include <sys/types.h> 35#include <stdint.h> 36 37__BEGIN_DECLS 38 39/* defns of scope */ 40#define PROC_POLICY_SCOPE_PROCESS 1 /* the policy setting is for process wide effect */ 41#define PROC_POLICY_SCOPE_THREAD 2 /* the policy setting is for thread inside a proc */ 42 43/* defns of actions with no attributes */ 44#define PROC_POLICY_ACTION_APPLY 1 /* enforce the set policy */ 45#define PROC_POLICY_ACTION_RESTORE 2 /* revert the applied action back */ 46#define PROC_POLICY_ACTION_DENYINHERIT 3 /* set for no inheritence of the specified policy */ 47#define PROC_POLICY_ACTION_DENYSELFSET 4 /* set for the process to set its own policy */ 48#define PROC_POLICY_ACTION_ENABLE 5 /* enable policy and its actions */ 49#define PROC_POLICY_ACTION_DISABLE 6 /* disable policy and its actions, also clears any actions that have already happened */ 50/* defns of actions with attributes */ 51#define PROC_POLICY_ACTION_SET 10 /* set the policy attributes */ 52#define PROC_POLICY_ACTION_GET 11 /* get the policy attributes */ 53#define PROC_POLICY_ACTION_ADD 12 /* add a policy attribute */ 54#define PROC_POLICY_ACTION_REMOVE 13 /* remove a policy attribute */ 55 56/* policies */ 57#define PROC_POLICY NONE 0 58#define PROC_POLICY_BACKGROUND 1 /* darwin background policy */ 59#define PROC_POLICY_HARDWARE_ACCESS 2 /* access to various hardware */ 60#define PROC_POLICY_RESOURCE_STARVATION 3 /* behavior on resource starvation */ 61#define PROC_POLICY_RESOURCE_USAGE 4 /* behavior on resource consumption */ 62#if CONFIG_EMBEDDED 63#define PROC_POLICY_APP_LIFECYCLE 5 /* app life cycle management */ 64#else /* CONFIG_EMBEDDED */ 65#define PROC_POLICY_RESERVED 5 /* behavior on resource consumption */ 66#endif /* CONFIG_EMBEDDED */ 67#define PROC_POLICY_APPTYPE 6 /* behavior on resource consumption */ 68 69/* sub policies for background policy */ 70#define PROC_POLICY_BG_NONE 0 /* none */ 71#define PROC_POLICY_BG_LOWCPUPRI 1 /* Low cpu priority */ 72#define PROC_POLICY_BG_DISKTHROTTLE 2 /* disk accesses throttled */ 73#define PROC_POLICY_BG_NETTHROTTLE 4 /* network accesses throttled */ 74#define PROC_POLICY_BG_GPUDENY 8 /* no access to GPU */ 75#if CONFIG_EMBEDDED 76#define PROC_POLICY_BG_ALL 0x0F 77#else /* CONFIG_EMBEDDED */ 78#define PROC_POLICY_BG_ALL 0x07 79#endif /* CONFIG_EMBEDDED */ 80#define PROC_POLICY_BG_DEFAULT PROC_POLICY_BG_ALL 81 82/* sub policies for hardware */ 83#define PROC_POLICY_HWACCESS_NONE 0 84#define PROC_POLICY_HWACCESS_DISK 1 /* disk access */ 85#define PROC_POLICY_HWACCESS_GPU 2 /* GPU access */ 86#define PROC_POLICY_HWACCESS_NETWORK 3 /* network access */ 87#define PROC_POLICY_HWACCESS_CPU 4 /* cpu access */ 88 89/* attribute values for disk hardware access, bit different as it should reflect IOPOL_XXX */ 90#define PROC_POLICY_DISKACC_NONE 0 91#define PROC_POLICY_DISKACC_NORMAL 1 /* normal access to the disk */ 92#define PROC_POLICY_DISKACC_FULLACCESS 1 /* normal access to the disk */ 93#define PROC_POLICY_DISKACC_PASSIVE 2 /* treat the I/Os as passive */ 94#define PROC_POLICY_DISKACC_THROTTLE 3 /* throttle the disk IOs */ 95#define PROC_POLICY_DISKACC_DEFAULT PROC_POLICY_DISKACC_FULLACCESS 96 97/* attribute values for GPU hardware access */ 98#define PROC_POLICY_GPUACC_NONE 0 99#define PROC_POLICY_GPUACC_FULLACCESS 0 /* complete access to the GPU */ 100#define PROC_POLICY_GPUACC_DENYACCESS 1 /* deny any access to the GPU */ 101#define PROC_POLICY_GPUACC_DEFAULT PROC_POLICY_GPUACC_FULLACCESS /* default is complete access */ 102 103/* atrribute values for network hardware access */ 104#define PROC_POLICY_NETACC_NONE 0 105#define PROC_POLICY_NETACC_FULLACCESS 0 /* complete access to the network */ 106#define PROC_POLICY_NETACC_THROTTLE 1 /* throttle access to network */ 107#define PROC_POLICY_NETACC_DEFAULT PROC_POLICY_NETACC_FULLACCESS /* default is complete access */ 108 109/* atrribute values for network hardware access */ 110#define PROC_POLICY_CPUACC_NONE 0 111#define PROC_POLICY_CPUACC_FULLACCESS 0 /* access to all avialable cpus */ 112#define PROC_POLICY_CPUACC_ONE 1 /* access to only one available cpu */ 113#define PROC_POLICY_CPUACC_LLCACHE 2 /* access to only one last level cache */ 114#define PROC_POLICY_CPUACC_DEFAULT PROC_POLICY_CPUACC_FULLACCESS /* default is access to all cpus */ 115 116 117/* System Resource management (ie usage and starvation related) definitions */ 118 119/* sub policies for resource starvation */ 120#define PROC_POLICY_RS_NONE 0 121#define PROC_POLICY_RS_VIRTUALMEM 1 /* virtual memory starvation */ 122 123/* sub policies for resource usage */ 124#define PROC_POLICY_RUSAGE_NONE 0 125#define PROC_POLICY_RUSAGE_WIREDMEM 1 /* wired memory usages */ 126#define PROC_POLICY_RUSAGE_VIRTMEM 2 /* virtual memory usage */ 127#define PROC_POLICY_RUSAGE_CPU 3 /* amount of cpu usage */ 128#define PROC_POLICY_RUSAGE_DISK 4 /* amount of disk usage */ 129#define PROC_POLICY_RUSAGE_NETWORK 5 /* amount of network usage */ 130#define PROC_POLICY_RUSAGE_POWER 6 /* amount of power/battery consumption */ 131 132/* attribute values for the resource usage and low resource - MUST match corresponding task definitions */ 133#define PROC_POLICY_RSRCACT_NONE 0 134#define PROC_POLICY_RSRCACT_THROTTLE 1 /* throttle on resource condition */ 135#define PROC_POLICY_RSRCACT_SUSPEND 2 /* suspend on resource condition */ 136#define PROC_POLICY_RSRCACT_TERMINATE 3 /* kill on resource condition */ 137#define PROC_POLICY_RSRCACT_NOTIFY_KQ 4 /* send kqueue notification */ 138#define PROC_POLICY_RSRCACT_NOTIFY_EXC 5 /* send exception */ 139 140 141/* type of resource for kqueue notifiction */ 142#define PROC_POLICY_RSRTYPE_CPU 1 143#define PROC_POLICY_RSRTYPE_WIREDMEM 2 144#define PROC_POLICY_RSRTYPE_VIRTUALMEM 4 145#define PROC_POLICY_RSRTYPE_DISK 8 146#define PROC_POLICY_RSRTYPE_NETWORK 0x010 147#define PROC_POLICY_RSRTYPE_POWER 0x20 148 149 150typedef struct proc_policy_attribute { 151 uint32_t ppattr_attribute; /* the policy attribute to be modified or returned */ 152 uint32_t ppattr_resv; /* pad field */ 153 uint64_t ppattr_value1; /* 64bit policy specific attribute */ 154 uint64_t ppattr_value2; /* 64bit policy specific attribute */ 155 uint64_t ppattr_value3; /* 64bit policy specific attribute */ 156 uint64_t ppattr_resv1[4]; /* reserved for future use */ 157} proc_policy_attribute_t; 158 159 160typedef struct proc_policy_cpuusage_attr { 161 uint32_t ppattr_cpu_attr ; /* specified action as in PROC_POLICY_RSRCACT_xx */ 162 uint32_t ppattr_cpu_percentage; /* percentage of interval */ 163 uint64_t ppattr_cpu_attr_interval; /* 64bit interval in nsecs */ 164 uint64_t ppattr_cpu_attr_deadline; /* 64bit deadline in nsecs */ 165} proc_policy_cpuusage_attr_t; 166 167#if CONFIG_EMBEDDED 168/* sub policies for app lifecycle management */ 169#define PROC_POLICY_APPLIFE_NONE 0 /* does nothing.. */ 170#define PROC_POLICY_APPLIFE_STATE 1 /* sets the app to various lifecycle states */ 171#define PROC_POLICY_APPLIFE_DEVSTATUS 2 /* notes the device in inactive or short/long term */ 172#define PROC_POLICY_APPLIFE_PIDBIND 3 /* a thread is to be bound to another processes app state */ 173#endif /* CONFIG_EMBEDDED */ 174 175/* sub policies for PROC_POLICY_APPTYPE */ 176#define PROC_POLICY_APPTYPE_NONE 0 /* does nothing.. */ 177#define PROC_POLICY_APPTYPE_MODIFY 1 /* sets the app to various lifecycle states */ 178#if CONFIG_EMBEDDED 179#define PROC_POLICY_APPTYPE_THREADTHR 2 /* notes the device in inactive or short/long term */ 180#endif /* CONFIG_EMBEDDED */ 181 182 183#define PROC_POLICY_OSX_APPTYPE_NONE 0 184#if CONFIG_EMBEDDED 185#define PROC_POLICY_IOS_RESV1_APPTYPE 1 /* TAL based launched */ 186#define PROC_POLICY_IOS_APPLE_DAEMON 2 /* for user of IOS apple daemons */ 187#define PROC_POLICY_IOS_APPTYPE 3 /* ios specific handling */ 188#define PROC_POLICY_IOS_NONUITYPE 4 /* ios non graphics type */ 189#else 190#define PROC_POLICY_OSX_APPTYPE_TAL 1 /* TAL based launched */ 191#define PROC_POLICY_OSX_APPTYPE_WIDGET 2 /* for dashboard client */ 192#define PROC_POLICY_OSX_APPTYPE_DASHCLIENT 2 /* rename to move away from widget */ 193#endif 194 195#ifndef KERNEL 196int process_policy(int scope, int action, int policy, int policy_subtype, proc_policy_attribute_t * attrp, pid_t target_pid, uint64_t target_threadid); 197#endif /* KERNEL */ 198 199 200__END_DECLS 201 202#endif /*_SYS_PROCESS_POLICY_H */ 203