xref: /xnu-8796.101.5/bsd/sys/kdebug_triage.h (revision aca3beaa3dfbd42498b42c5e5ce20a938e6554e5)
1 /*
2  * Copyright (c) 2000-2020 Apple Inc. All rights reserved.
3  *
4  * @Apple_LICENSE_HEADER_START@
5  *
6  * The contents of this file constitute Original Code as defined in and
7  * are subject to the Apple Public Source License Version 1.1 (the
8  * "License").  You may not use this file except in compliance with the
9  * License.  Please obtain a copy of the License at
10  * http://www.apple.com/publicsource and read it before using this file.
11  *
12  * This Original Code and all software distributed under the License are
13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
17  * License for the specific language governing rights and limitations
18  * under the License.
19  *
20  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
21  */
22 
23 #ifndef BSD_SYS_KDEBUG_TRIAGE_H
24 #define BSD_SYS_KDEBUG_TRIAGE_H
25 
26 void delete_buffers_triage(void);
27 
28 #define KDBG_TRIAGE_CLASS_MASK   (0xff000000)
29 #define KDBG_TRIAGE_CLASS_OFFSET (24)
30 #define KDBG_TRIAGE_CLASS_MAX    (0xff)
31 
32 /* Unused but reserved for future use (possibly for payload encoding) */
33 #define KDBG_TRIAGE_RESERVED (0)
34 #define KDBG_TRIAGE_RESERVED_MASK   (0x00ff0000)
35 #define KDBG_TRIAGE_RESERVED_OFFSET (16)
36 #define KDBG_TRIAGE_RESERVED_MAX    (0xff)
37 
38 #define KDBG_TRIAGE_CODE_MASK   (0x0000fffc)
39 #define KDBG_TRIAGE_CODE_OFFSET (2)
40 #define KDBG_TRIAGE_CODE_MAX    (0x3fff)
41 
42 #define KDBG_TRIAGE_EVENTID(Class, Reserved, Code)                \
43 	(((unsigned)((Class)    &   0xff) << KDBG_TRIAGE_CLASS_OFFSET)    | \
44 	 ((unsigned)((Reserved) &   0xff) << KDBG_TRIAGE_RESERVED_OFFSET) | \
45 	 ((unsigned)((Code)     & 0x3fff) << KDBG_TRIAGE_CODE_OFFSET))
46 
47 #define KDBG_TRIAGE_EXTRACT_CLASS(Debugid) \
48 	((uint8_t)(((Debugid) & KDBG_TRIAGE_CLASS_MASK) >> KDBG_TRIAGE_CLASS_OFFSET))
49 #define KDBG_TRIAGE_EXTRACT_CODE(Debugid) \
50 	((uint16_t)(((Debugid) & KDBG_TRIAGE_CODE_MASK) >> KDBG_TRIAGE_CODE_OFFSET))
51 
52 #define KDBG_TRIAGE_MAX_STRINGS (5)
53 #define KDBG_TRIAGE_MAX_STRLEN  (128)
54 
55 /****** VM Codes Begin ******/
56 #define KDBG_TRIAGE_SUBSYS_VM   (1)
57 
58 enum vm_subsys_error_codes {
59 	KDBG_TRIAGE_VM_PREFIX = 0,
60 	KDBG_TRIAGE_VM_NO_DATA,
61 	KDBG_TRIAGE_VM_TEXT_CORRUPTION,
62 	KDBG_TRIAGE_VM_ADDRESS_NOT_FOUND,
63 	KDBG_TRIAGE_VM_PROTECTION_FAILURE,
64 	KDBG_TRIAGE_VM_FAULT_MEMORY_SHORTAGE,
65 	KDBG_TRIAGE_VM_FAULT_COPY_MEMORY_SHORTAGE,
66 	KDBG_TRIAGE_VM_FAULT_OBJCOPYSLOWLY_MEMORY_SHORTAGE,
67 	KDBG_TRIAGE_VM_FAULT_OBJIOPLREQ_MEMORY_SHORTAGE,
68 	KDBG_TRIAGE_VM_FAULT_INTERRUPTED,
69 	KDBG_TRIAGE_VM_SUCCESS_NO_PAGE,
70 	KDBG_TRIAGE_VM_GUARDPAGE_FAULT,
71 	KDBG_TRIAGE_VM_NONZERO_PREEMPTION_LEVEL,
72 	KDBG_TRIAGE_VM_BUSYPAGE_WAIT_INTERRUPTED,
73 	KDBG_TRIAGE_VM_PURGEABLE_FAULT_ERROR,
74 	KDBG_TRIAGE_VM_OBJECT_SHADOW_SEVERED,
75 	KDBG_TRIAGE_VM_OBJECT_NOT_ALIVE,
76 	KDBG_TRIAGE_VM_OBJECT_NO_PAGER,
77 	KDBG_TRIAGE_VM_PAGE_HAS_ERROR,
78 	KDBG_TRIAGE_VM_PAGE_HAS_RESTART,
79 	KDBG_TRIAGE_VM_FAILED_IMMUTABLE_PAGE_WRITE,
80 	KDBG_TRIAGE_VM_FAILED_NX_PAGE_EXEC_MAPPING,
81 	KDBG_TRIAGE_VM_PMAP_ENTER_RESOURCE_SHORTAGE,
82 	KDBG_TRIAGE_VM_COMPRESSOR_GET_OUT_OF_RANGE,
83 	KDBG_TRIAGE_VM_COMPRESSOR_GET_NO_PAGE,
84 	KDBG_TRIAGE_VM_COMPRESSOR_DECOMPRESS_FAILED,
85 	KDBG_TRIAGE_VM_SUBMAP_NO_COW_ON_EXECUTABLE,
86 	KDBG_TRIAGE_VM_SUBMAP_COPY_SLOWLY_FAILED,
87 	KDBG_TRIAGE_VM_SUBMAP_COPY_STRAT_FAILED,
88 	KDBG_TRIAGE_VM_VNODEPAGER_CLREAD_NO_UPL,
89 	KDBG_TRIAGE_VM_VNODEPAGEIN_NO_UBCINFO,
90 	KDBG_TRIAGE_VM_VNODEPAGEIN_FSPAGEIN_FAIL,
91 	KDBG_TRIAGE_VM_VNODEPAGEIN_NO_UPL,
92 	KDBG_TRIAGE_VM_ECC_DIRTY,
93 	KDBG_TRIAGE_VM_ECC_CLEAN,
94 	KDBG_TRIAGE_VM_MAX
95 };
96 #define VM_MAX_TRIAGE_STRINGS (KDBG_TRIAGE_VM_MAX)
97 
98 /****** VM Codes End ******/
99 
100 /****** Cluster Codes Begin ******/
101 #define KDBG_TRIAGE_SUBSYS_CLUSTER   (2)
102 
103 enum cluster_subsys_error_codes {
104 	KDBG_TRIAGE_CL_PREFIX = 0,
105 	KDBG_TRIAGE_CL_PGIN_PAST_EOF,
106 	KDBG_TRIAGE_CL_MAX
107 };
108 #define CLUSTER_MAX_TRIAGE_STRINGS (KDBG_TRIAGE_CL_MAX)
109 
110 /****** Cluster Codes End ******/
111 
112 /****** Shared Region Codes Begin ******/
113 #define KDBG_TRIAGE_SUBSYS_SHARED_REGION   (3)
114 
115 enum shared_region_subsys_error_codes {
116 	KDBG_TRIAGE_SHARED_REGION_PREFIX = 0,
117 	KDBG_TRIAGE_SHARED_REGION_NO_UPL,
118 	KDBG_TRIAGE_SHARED_REGION_SLIDE_ERROR,
119 	KDBG_TRIAGE_SHARED_REGION_PAGER_MEMORY_SHORTAGE,
120 	KDBG_TRIAGE_SHARED_REGION_MAX
121 };
122 #define SHARED_REGION_MAX_TRIAGE_STRINGS (KDBG_TRIAGE_SHARED_REGION_MAX)
123 
124 /****** Shared Region Codes End ******/
125 
126 /****** DYLD pager Codes Begin ******/
127 #define KDBG_TRIAGE_SUBSYS_DYLD_PAGER   (4)
128 
129 enum dyld_pager_subsys_error_codes {
130 	KDBG_TRIAGE_DYLD_PAGER_PREFIX = 0,
131 	KDBG_TRIAGE_DYLD_PAGER_NO_UPL,
132 	KDBG_TRIAGE_DYLD_PAGER_SLIDE_ERROR,
133 	KDBG_TRIAGE_DYLD_PAGER_MEMORY_SHORTAGE,
134 	KDBG_TRIAGE_DYLD_PAGER_MAX
135 };
136 #define DYLD_PAGER_MAX_TRIAGE_STRINGS (KDBG_TRIAGE_DYLD_PAGER_MAX)
137 
138 /****** DYLD pager Codes End ******/
139 
140 /****** APPLE_PROTECT_PAGER pager Codes Begin ******/
141 #define KDBG_TRIAGE_SUBSYS_APPLE_PROTECT_PAGER   (5)
142 
143 enum apple_protect_pager_subsys_error_codes {
144 	KDBG_TRIAGE_APPLE_PROTECT_PAGER_PREFIX = 0,
145 	KDBG_TRIAGE_APPLE_PROTECT_PAGER_MEMORY_SHORTAGE,
146 	KDBG_TRIAGE_APPLE_PROTECT_PAGER_MAX
147 };
148 #define APPLE_PROTECT_PAGER_MAX_TRIAGE_STRINGS (KDBG_TRIAGE_APPLE_PROTECT_PAGER_MAX)
149 
150 /****** APPLE_PROTECT pager Codes End ******/
151 
152 /****** FOURK pager Codes Begin ******/
153 #define KDBG_TRIAGE_SUBSYS_FOURK_PAGER   (6)
154 
155 enum fourk_pager_subsys_error_codes {
156 	KDBG_TRIAGE_FOURK_PAGER_PREFIX = 0,
157 	KDBG_TRIAGE_FOURK_PAGER_MEMORY_SHORTAGE,
158 	KDBG_TRIAGE_FOURK_PAGER_MAX
159 };
160 #define FOURK_PAGER_MAX_TRIAGE_STRINGS (KDBG_TRIAGE_FOURK_PAGER_MAX)
161 
162 /****** FOURK pager Codes End ******/
163 
164 /****** Kext ktriage Begin ******/
165 /*
166  * kexts can define their own strings and augment them with an argument.
167  * ktriage only needs to know the subsystem id, and expects that the first
168  * string will be the subsystem prefix string.
169  *
170  * Right now we don't support dynamically adding or removing subsystems.
171  */
172 
173 #define KDBG_TRIAGE_SUBSYS_APFS    (7)
174 #define KDBG_TRIAGE_SUBSYS_DECMPFS (8)
175 /* please update KDBG_TRIAGE_SUBSYS_MAX when adding a new subsystem */
176 
177 /****** Kext ktriage End ******/
178 
179 #define KDBG_TRIAGE_SUBSYS_MAX  KDBG_TRIAGE_SUBSYS_DECMPFS
180 
181 #endif /* BSD_SYS_KDEBUG_TRIAGE_H */
182