xref: /xnu-11417.140.69/bsd/sys/event_log.h (revision 43a90889846e00bfb5cf1d255cdc0a701a1e05a4)
1*43a90889SApple OSS Distributions /*
2*43a90889SApple OSS Distributions  * Copyright (c) 2021 Apple Inc. All rights reserved.
3*43a90889SApple OSS Distributions  *
4*43a90889SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*43a90889SApple OSS Distributions  *
6*43a90889SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*43a90889SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*43a90889SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*43a90889SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*43a90889SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*43a90889SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*43a90889SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*43a90889SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*43a90889SApple OSS Distributions  *
15*43a90889SApple OSS Distributions  * Please obtain a copy of the License at
16*43a90889SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*43a90889SApple OSS Distributions  *
18*43a90889SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*43a90889SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*43a90889SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*43a90889SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*43a90889SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*43a90889SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*43a90889SApple OSS Distributions  * limitations under the License.
25*43a90889SApple OSS Distributions  *
26*43a90889SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*43a90889SApple OSS Distributions  */
28*43a90889SApple OSS Distributions 
29*43a90889SApple OSS Distributions #ifndef _SYSTEM_EVENT_LOG_H_
30*43a90889SApple OSS Distributions #define _SYSTEM_EVENT_LOG_H_
31*43a90889SApple OSS Distributions 
32*43a90889SApple OSS Distributions #include <Availability.h>
33*43a90889SApple OSS Distributions #include <sys/cdefs.h>
34*43a90889SApple OSS Distributions #include <stdint.h>
35*43a90889SApple OSS Distributions 
36*43a90889SApple OSS Distributions __BEGIN_DECLS
37*43a90889SApple OSS Distributions 
38*43a90889SApple OSS Distributions #define SYSTEM_EVENT_ENTITLEMENT "com.apple.private.record_system_event"
39*43a90889SApple OSS Distributions 
40*43a90889SApple OSS Distributions // These arbitrary numbers are used to limit the size of the system event message.
41*43a90889SApple OSS Distributions // We don't want the messages to be too long, as they're going over serial.
42*43a90889SApple OSS Distributions #define SYSTEM_EVENT_EVENT_MAX 64
43*43a90889SApple OSS Distributions #define SYSTEM_EVENT_PAYLOAD_MAX 96
44*43a90889SApple OSS Distributions 
45*43a90889SApple OSS Distributions __enum_decl(system_event_type, uint8_t, {
46*43a90889SApple OSS Distributions 	SYSTEM_EVENT_TYPE_FIRST = 0,
47*43a90889SApple OSS Distributions 	SYSTEM_EVENT_TYPE_INFO,
48*43a90889SApple OSS Distributions 	SYSTEM_EVENT_TYPE_ERROR,
49*43a90889SApple OSS Distributions 	SYSTEM_EVENT_TYPE_LAST
50*43a90889SApple OSS Distributions });
51*43a90889SApple OSS Distributions 
52*43a90889SApple OSS Distributions __enum_decl(system_event_subsystem, uint8_t, {
53*43a90889SApple OSS Distributions 	SYSTEM_EVENT_SUBSYSTEM_FIRST = 0,
54*43a90889SApple OSS Distributions 	SYSTEM_EVENT_SUBSYSTEM_LAUNCHD,
55*43a90889SApple OSS Distributions 	SYSTEM_EVENT_SUBSYSTEM_TEST,
56*43a90889SApple OSS Distributions 	SYSTEM_EVENT_SUBSYSTEM_NVRAM,
57*43a90889SApple OSS Distributions 	SYSTEM_EVENT_SUBSYSTEM_PROCESS,
58*43a90889SApple OSS Distributions 	SYSTEM_EVENT_SUBSYSTEM_PMRD,
59*43a90889SApple OSS Distributions 	SYSTEM_EVENT_SUBSYSTEM_LAST
60*43a90889SApple OSS Distributions });
61*43a90889SApple OSS Distributions 
62*43a90889SApple OSS Distributions #ifndef KERNEL
63*43a90889SApple OSS Distributions 
64*43a90889SApple OSS Distributions /*
65*43a90889SApple OSS Distributions  * Known subsystems can use this to emit system event transition logging messages in
66*43a90889SApple OSS Distributions  * a structured and understandable way.
67*43a90889SApple OSS Distributions  */
68*43a90889SApple OSS Distributions 
69*43a90889SApple OSS Distributions __WATCHOS_AVAILABLE(9.0) __OSX_AVAILABLE(13.0) __IOS_AVAILABLE(16.0) __TVOS_AVAILABLE(16.0)
70*43a90889SApple OSS Distributions int
71*43a90889SApple OSS Distributions record_system_event_as_kernel(system_event_type type, system_event_subsystem subsystem, const char *event,
72*43a90889SApple OSS Distributions     const char *payload);
73*43a90889SApple OSS Distributions 
74*43a90889SApple OSS Distributions #endif /* !KERNEL */
75*43a90889SApple OSS Distributions 
76*43a90889SApple OSS Distributions __END_DECLS
77*43a90889SApple OSS Distributions 
78*43a90889SApple OSS Distributions #endif /* _SYSTEM_EVENT_LOG_H_ */
79