darling-xnu/bsd/sys/process_policy.h
2023-05-16 21:41:14 -07:00

216 lines
11 KiB
C

/*
* Copyright (c) 2010 Apple Computer, Inc. All rights reserved.
*
* @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, 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 _SYS_PROCESS_POLICY_H
#define _SYS_PROCESS_POLICY_H
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/types.h>
#include <stdint.h>
#if defined(XNU_KERNEL_PRIVATE)
#if defined(XNU_TARGET_OS_OSX)
#define PROCESS_POLICY_OSX 1
#else /* defined(XNU_TARGET_OS_OSX) */
#define PROCESS_POLICY_OSX 0
#endif /* defined(XNU_TARGET_OS_OSX) */
#else /* defined(XNU_KERNEL_PRIVATE) */
#include <TargetConditionals.h>
#define PROCESS_POLICY_OSX !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
#endif /* defined(XNU_KERNEL_PRIVATE) */
__BEGIN_DECLS
/* defns of scope */
#define PROC_POLICY_SCOPE_PROCESS 1 /* the policy setting is for process wide effect */
#define PROC_POLICY_SCOPE_THREAD 2 /* the policy setting is for thread inside a proc */
/* defns of actions with no attributes */
#define PROC_POLICY_ACTION_APPLY 1 /* enforce the set policy */
#define PROC_POLICY_ACTION_RESTORE 2 /* revert the applied action back */
#define PROC_POLICY_ACTION_DENYINHERIT 3 /* set for no inheritence of the specified policy */
#define PROC_POLICY_ACTION_DENYSELFSET 4 /* set for the process to set its own policy */
#define PROC_POLICY_ACTION_ENABLE 5 /* enable policy and its actions */
#define PROC_POLICY_ACTION_DISABLE 6 /* disable policy and its actions, also clears any actions that have already happened */
/* defns of actions with attributes */
#define PROC_POLICY_ACTION_SET 10 /* set the policy attributes */
#define PROC_POLICY_ACTION_GET 11 /* get the policy attributes */
#define PROC_POLICY_ACTION_ADD 12 /* add a policy attribute */
#define PROC_POLICY_ACTION_REMOVE 13 /* remove a policy attribute */
#define PROC_POLICY_ACTION_HOLD 14 /* hold an importance boost assertion */
#define PROC_POLICY_ACTION_DROP 15 /* drop an importance boost assertion */
/* policies */
#define PROC_POLICY NONE 0
#define PROC_POLICY_BACKGROUND 1 /* darwin background policy */
#define PROC_POLICY_HARDWARE_ACCESS 2 /* access to various hardware */
#define PROC_POLICY_RESOURCE_STARVATION 3 /* behavior on resource starvation */
#define PROC_POLICY_RESOURCE_USAGE 4 /* behavior on resource consumption */
#if !PROCESS_POLICY_OSX
#define PROC_POLICY_APP_LIFECYCLE 5 /* app life cycle management */
#else /* !PROCESS_POLICY_OSX */
#define PROC_POLICY_RESERVED 5 /* behavior on resource consumption */
#endif /* !PROCESS_POLICY_OSX */
#define PROC_POLICY_APPTYPE 6 /* behavior on resource consumption */
#define PROC_POLICY_BOOST 7 /* importance boost/drop */
#define PROC_POLICY_NO_SMT 8 /* Disallow Simultaneous Multi-Threading */
#define PROC_POLICY_TECS 9 /* Enable CPU security for threads */
/* sub policies for background policy */
#define PROC_POLICY_BG_NONE 0 /* none */
#define PROC_POLICY_BG_LOWCPUPRI 1 /* Low cpu priority */
#define PROC_POLICY_BG_DISKTHROTTLE 2 /* disk accesses throttled */
#define PROC_POLICY_BG_NETTHROTTLE 4 /* network accesses throttled */
#define PROC_POLICY_BG_GPUDENY 8 /* no access to GPU */
#if !PROCESS_POLICY_OSX
#define PROC_POLICY_BG_ALL 0x0F
#else /* !PROCESS_POLICY_OSX */
#define PROC_POLICY_BG_ALL 0x07
#endif /* !PROCESS_POLICY_OSX */
#define PROC_POLICY_BG_DEFAULT PROC_POLICY_BG_ALL
/* sub policies for hardware */
#define PROC_POLICY_HWACCESS_NONE 0
#define PROC_POLICY_HWACCESS_DISK 1 /* disk access */
#define PROC_POLICY_HWACCESS_GPU 2 /* GPU access */
#define PROC_POLICY_HWACCESS_NETWORK 3 /* network access */
#define PROC_POLICY_HWACCESS_CPU 4 /* cpu access */
/* attribute values for disk hardware access, bit different as it should reflect IOPOL_XXX */
#define PROC_POLICY_DISKACC_NONE 0
#define PROC_POLICY_DISKACC_NORMAL 1 /* normal access to the disk */
#define PROC_POLICY_DISKACC_FULLACCESS 1 /* normal access to the disk */
#define PROC_POLICY_DISKACC_PASSIVE 2 /* treat the I/Os as passive */
#define PROC_POLICY_DISKACC_THROTTLE 3 /* throttle the disk IOs */
#define PROC_POLICY_DISKACC_DEFAULT PROC_POLICY_DISKACC_FULLACCESS
/* attribute values for GPU hardware access */
#define PROC_POLICY_GPUACC_NONE 0
#define PROC_POLICY_GPUACC_FULLACCESS 0 /* complete access to the GPU */
#define PROC_POLICY_GPUACC_DENYACCESS 1 /* deny any access to the GPU */
#define PROC_POLICY_GPUACC_DEFAULT PROC_POLICY_GPUACC_FULLACCESS /* default is complete access */
/* atrribute values for network hardware access */
#define PROC_POLICY_NETACC_NONE 0
#define PROC_POLICY_NETACC_FULLACCESS 0 /* complete access to the network */
#define PROC_POLICY_NETACC_THROTTLE 1 /* throttle access to network */
#define PROC_POLICY_NETACC_DEFAULT PROC_POLICY_NETACC_FULLACCESS /* default is complete access */
/* atrribute values for network hardware access */
#define PROC_POLICY_CPUACC_NONE 0
#define PROC_POLICY_CPUACC_FULLACCESS 0 /* access to all avialable cpus */
#define PROC_POLICY_CPUACC_ONE 1 /* access to only one available cpu */
#define PROC_POLICY_CPUACC_LLCACHE 2 /* access to only one last level cache */
#define PROC_POLICY_CPUACC_DEFAULT PROC_POLICY_CPUACC_FULLACCESS /* default is access to all cpus */
/* System Resource management (ie usage and starvation related) definitions */
/* sub policies for resource starvation */
#define PROC_POLICY_RS_NONE 0
#define PROC_POLICY_RS_VIRTUALMEM 1 /* virtual memory starvation */
/* sub policies for resource usage */
#define PROC_POLICY_RUSAGE_NONE 0
#define PROC_POLICY_RUSAGE_WIREDMEM 1 /* wired memory usages */
#define PROC_POLICY_RUSAGE_VIRTMEM 2 /* virtual memory usage */
#define PROC_POLICY_RUSAGE_CPU 3 /* amount of cpu usage */
#define PROC_POLICY_RUSAGE_DISK 4 /* amount of disk usage */
#define PROC_POLICY_RUSAGE_NETWORK 5 /* amount of network usage */
#define PROC_POLICY_RUSAGE_POWER 6 /* amount of power/battery consumption */
/* attribute values for the resource usage and low resource - MUST match corresponding task definitions */
#define PROC_POLICY_RSRCACT_NONE 0
#define PROC_POLICY_RSRCACT_THROTTLE 1 /* throttle on resource condition */
#define PROC_POLICY_RSRCACT_SUSPEND 2 /* suspend on resource condition */
#define PROC_POLICY_RSRCACT_TERMINATE 3 /* kill on resource condition */
#define PROC_POLICY_RSRCACT_NOTIFY_KQ 4 /* send kqueue notification */
#define PROC_POLICY_RSRCACT_NOTIFY_EXC 5 /* send exception */
#define PROC_POLICY_CPUMON_DISABLE 0xFF /* Disable CPU usage monitor */
#define PROC_POLICY_CPUMON_DEFAULTS 0xFE /* Set default CPU usage monitor params */
/* sub policies for importance boost/drop */
#define PROC_POLICY_IMP_IMPORTANT 1 /* Important-level boost */
#define PROC_POLICY_IMP_STANDARD 2 /* Standard-level boost */
#define PROC_POLICY_IMP_DONATION 3 /* Mark a task as an importance source */
typedef struct proc_policy_attribute {
uint32_t ppattr_attribute; /* the policy attribute to be modified or returned */
uint32_t ppattr_resv; /* pad field */
uint64_t ppattr_value1; /* 64bit policy specific attribute */
uint64_t ppattr_value2; /* 64bit policy specific attribute */
uint64_t ppattr_value3; /* 64bit policy specific attribute */
uint64_t ppattr_resv1[4]; /* reserved for future use */
} proc_policy_attribute_t;
typedef struct proc_policy_cpuusage_attr {
uint32_t ppattr_cpu_attr; /* specified action as in PROC_POLICY_RSRCACT_xx */
uint32_t ppattr_cpu_percentage; /* percentage of interval */
uint64_t ppattr_cpu_attr_interval; /* 64bit interval in nsecs */
uint64_t ppattr_cpu_attr_deadline; /* 64bit deadline in nsecs */
} proc_policy_cpuusage_attr_t;
#if !PROCESS_POLICY_OSX
/* sub policies for app lifecycle management */
#define PROC_POLICY_APPLIFE_NONE 0 /* does nothing.. */
#define PROC_POLICY_APPLIFE_STATE 1 /* sets the app to various lifecycle states */
#define PROC_POLICY_APPLIFE_DEVSTATUS 2 /* notes the device in inactive or short/long term */
#define PROC_POLICY_APPLIFE_PIDBIND 3 /* a thread is to be bound to another processes app state */
#endif /* !PROCESS_POLICY_OSX */
/* sub policies for PROC_POLICY_APPTYPE */
#define PROC_POLICY_APPTYPE_NONE 0 /* does nothing.. */
#define PROC_POLICY_APPTYPE_MODIFY 1 /* sets the app to various lifecycle states */
#if !PROCESS_POLICY_OSX
#define PROC_POLICY_APPTYPE_THREADTHR 2 /* notes the device in inactive or short/long term */
#endif /* !PROCESS_POLICY_OSX */
/* exported apptypes for PROC_POLICY_APPTYPE */
#define PROC_POLICY_OSX_APPTYPE_TAL 1 /* TAL-launched app */
#define PROC_POLICY_OSX_APPTYPE_DASHCLIENT 2 /* Dashboard client (deprecated) */
#define PROC_POLICY_IOS_DONATEIMP 6 /* donates priority imp (deprecated) */
#define PROC_POLICY_IOS_HOLDIMP 7 /* hold importance assertion (deprecated) */
#define PROC_POLICY_IOS_DROPIMP 8 /* drop importance assertion (deprecated) */
#ifndef KERNEL
int process_policy(int scope, int action, int policy, int policy_subtype, proc_policy_attribute_t * attrp, pid_t target_pid, uint64_t target_threadid);
#endif /* KERNEL */
__END_DECLS
#endif /*_SYS_PROCESS_POLICY_H */