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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#define PROC_POLICY_RESERVED 5 /* behavior on resource consumption */
63#define PROC_POLICY_APPTYPE 6 /* behavior on resource consumption */
64
65/* sub policies for background policy */
66#define PROC_POLICY_BG_NONE 0 /* none */
67#define PROC_POLICY_BG_LOWCPUPRI 1 /* Low cpu priority */
68#define PROC_POLICY_BG_DISKTHROTTLE 2 /* disk accesses throttled */
69#define PROC_POLICY_BG_NETTHROTTLE 4 /* network accesses throttled */
70#define PROC_POLICY_BG_GPUDENY 8 /* no access to GPU */
71#if CONFIG_EMBEDDED
72#define PROC_POLICY_BG_ALL 0x0F
73#else /* CONFIG_EMBEDDED */
74#define PROC_POLICY_BG_ALL 0x07
75#endif /* CONFIG_EMBEDDED */
76#define PROC_POLICY_BG_DEFAULT PROC_POLICY_BG_ALL
77
78/* sub policies for hardware */
79#define PROC_POLICY_HWACCESS_NONE 0
80#define PROC_POLICY_HWACCESS_DISK 1 /* disk access */
81#define PROC_POLICY_HWACCESS_GPU 2 /* GPU access */
82#define PROC_POLICY_HWACCESS_NETWORK 3 /* network access */
83#define PROC_POLICY_HWACCESS_CPU 4 /* cpu access */
84
85/* attribute values for disk hardware access, bit different as it should reflect IOPOL_XXX */
86#define PROC_POLICY_DISKACC_NONE 0
87#define PROC_POLICY_DISKACC_NORMAL 1 /* normal access to the disk */
88#define PROC_POLICY_DISKACC_PASSIVE 2 /* treat the I/Os as passive */
89#define PROC_POLICY_DISKACC_THROTTLE 3 /* throttle the disk IOs */
90#define PROC_POLICY_DISKACC_DEFAULT 0
91
92/* attribute values for GPU hardware access */
93#define PROC_POLICY_GPUACC_NONE 0
94#define PROC_POLICY_GPUACC_FULLACCESS 0 /* complete access to the GPU */
95#define PROC_POLICY_GPUACC_DENYACCESS 1 /* deny any access to the GPU */
96#define PROC_POLICY_GPUACC_DEFAULT 0 /* default is complete access */
97
98/* atrribute values for network hardware access */
99#define PROC_POLICY_NETACC_NONE 0
100#define PROC_POLICY_NETACC_NORMAL 0 /* complete access to the network */
101#define PROC_POLICY_NETACC_THROTTLE 1 /* throttle access to network */
102#define PROC_POLICY_NETACC_DEFAULT 0 /* default is complete access */
103
104/* atrribute values for network hardware access */
105#define PROC_POLICY_CPUACC_NONE 0
106#define PROC_POLICY_CPUACC_ALL 0 /* access to all avialable cpus */
107#define PROC_POLICY_CPUACC_ONE 1 /* access to only one available cpu */
108#define PROC_POLICY_CPUACC_LLCACHE 2 /* access to only one last level cache */
109#define PROC_POLICY_CPUACC_DEFAULT 0 /* default is access to all cpus */
110
111
112/* System Resource management (ie usage and starvation related) definitions */
113
114/* sub policies for resource starvation */
115#define PROC_POLICY_RS_NONE 0
116#define PROC_POLICY_RS_VIRTUALMEM 1 /* virtual memory starvation */
117
118/* sub policies for resource usage */
119#define PROC_POLICY_RUSAGE_NONE 0
120#define PROC_POLICY_RUSAGE_WIREDMEM 1 /* wired memory usages */
121#define PROC_POLICY_RUSAGE_VIRTMEM 2 /* virtual memory usage */
122#define PROC_POLICY_RUSAGE_CPU 3 /* amount of cpu usage */
123#define PROC_POLICY_RUSAGE_DISK 4 /* amount of disk usage */
124#define PROC_POLICY_RUSAGE_NETWORK 5 /* amount of network usage */
125#define PROC_POLICY_RUSAGE_POWER 6 /* amount of power/battery consumption */
126
127/* attribute values for the resource usage and low resource */
128#define PROC_POLICY_RSRCACT_NONE 0
129#define PROC_POLICY_RSRCACT_THROTTLE 1 /* throttle on resource condition */
130#define PROC_POLICY_RSRCACT_SUSPEND 2 /* suspend on resource condition */
131#define PROC_POLICY_RSRCACT_TERMINATE 3 /* kill on resource condition */
132#define PROC_POLICY_RSRCACT_NOTIFY 4 /* send kqueue notification */
133
134
135/* type of resource for kqueue notifiction */
136#define PROC_POLICY_RSRTYPE_CPU 1
137#define PROC_POLICY_RSRTYPE_WIREDMEM 2
138#define PROC_POLICY_RSRTYPE_VIRTUALMEM 4
139#define PROC_POLICY_RSRTYPE_DISK 8
140#define PROC_POLICY_RSRTYPE_NETWORK 0x010
141#define PROC_POLICY_RSRTYPE_POWER 0x20
142
143
144typedef struct proc_policy_attribute {
145 uint32_t ppattr_attribute; /* the policy attribute to be modified or returned */
146 uint32_t ppattr_resv; /* pad field */
147 uint64_t ppattr_value1; /* 64bit policy specific attribute */
148 uint64_t ppattr_value2; /* 64bit policy specific attribute */
149 uint64_t ppattr_value3; /* 64bit policy specific attribute */
150 uint64_t ppattr_resv1[4]; /* reserved for future use */
151} proc_policy_attribute_t;
152
153
154typedef struct proc_policy_cpuusage_attr {
155 uint32_t ppattr_cpu_attr ; /* specified action as in PROC_POLICY_RSRCACT_xx */
156 uint32_t ppattr_cpu_percentage; /* percentage of interval */
157 uint64_t ppattr_cpu_attr_interval; /* 64bit interval in nsecs */
158 uint64_t ppattr_cpu_attr_deadline; /* 64bit deadline in nsecs */
159} proc_policy_cpuusage_attr_t;
160
161
162/* sub policies for PROC_POLICY_APPTYPE */
163#define PROC_POLICY_OSX_APPTYPE_NONE 0
164#define PROC_POLICY_OSX_APPTYPE_TAL 1 /* TAL based launched */
165#define PROC_POLICY_OSX_APPTYPE_WIDGET 2 /* for dashboard client */
166#define PROC_POLICY_OSX_APPTYPE_DASHCLIENT 2 /* rename to move away from widget */
167#define PROC_POLICY_IOS_APPTYPE 3 /* ios specific handling */
168#define PROC_POLICY_IOS_NONUITYPE 4 /* ios non graphics type */
169
170#ifndef KERNEL
171int process_policy(int scope, int action, int policy, int policy_subtype, proc_policy_attribute_t * attrp, pid_t target_pid, uint64_t target_threadid);
172#endif /* KERNEL */
173
174
175__END_DECLS
176
177#endif /*_SYS_PROCESS_POLICY_H */