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