xref: /linux-6.15/include/linux/cper.h (revision b595076a)
1 /*
2  * UEFI Common Platform Error Record
3  *
4  * Copyright (C) 2010, Intel Corp.
5  *	Author: Huang Ying <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License version
9  * 2 as published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20 
21 #ifndef LINUX_CPER_H
22 #define LINUX_CPER_H
23 
24 #include <linux/uuid.h>
25 
26 /* CPER record signature and the size */
27 #define CPER_SIG_RECORD				"CPER"
28 #define CPER_SIG_SIZE				4
29 /* Used in signature_end field in struct cper_record_header */
30 #define CPER_SIG_END				0xffffffff
31 
32 /*
33  * CPER record header revision, used in revision field in struct
34  * cper_record_header
35  */
36 #define CPER_RECORD_REV				0x0100
37 
38 /*
39  * Severity difinition for error_severity in struct cper_record_header
40  * and section_severity in struct cper_section_descriptor
41  */
42 #define CPER_SEV_RECOVERABLE			0x0
43 #define CPER_SEV_FATAL				0x1
44 #define CPER_SEV_CORRECTED			0x2
45 #define CPER_SEV_INFORMATIONAL			0x3
46 
47 /*
48  * Validation bits difinition for validation_bits in struct
49  * cper_record_header. If set, corresponding fields in struct
50  * cper_record_header contain valid information.
51  *
52  * corresponds platform_id
53  */
54 #define CPER_VALID_PLATFORM_ID			0x0001
55 /* corresponds timestamp */
56 #define CPER_VALID_TIMESTAMP			0x0002
57 /* corresponds partition_id */
58 #define CPER_VALID_PARTITION_ID			0x0004
59 
60 /*
61  * Notification type used to generate error record, used in
62  * notification_type in struct cper_record_header
63  *
64  * Corrected Machine Check
65  */
66 #define CPER_NOTIFY_CMC							\
67 	UUID_LE(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4,	\
68 		0xEB, 0xD4, 0xF8, 0x90)
69 /* Corrected Platform Error */
70 #define CPER_NOTIFY_CPE							\
71 	UUID_LE(0x4E292F96, 0xD843, 0x4a55, 0xA8, 0xC2, 0xD4, 0x81,	\
72 		0xF2, 0x7E, 0xBE, 0xEE)
73 /* Machine Check Exception */
74 #define CPER_NOTIFY_MCE							\
75 	UUID_LE(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB,	\
76 		0xE1, 0x49, 0x13, 0xBB)
77 /* PCI Express Error */
78 #define CPER_NOTIFY_PCIE						\
79 	UUID_LE(0xCF93C01F, 0x1A16, 0x4dfc, 0xB8, 0xBC, 0x9C, 0x4D,	\
80 		0xAF, 0x67, 0xC1, 0x04)
81 /* INIT Record (for IPF) */
82 #define CPER_NOTIFY_INIT						\
83 	UUID_LE(0xCC5263E8, 0x9308, 0x454a, 0x89, 0xD0, 0x34, 0x0B,	\
84 		0xD3, 0x9B, 0xC9, 0x8E)
85 /* Non-Maskable Interrupt */
86 #define CPER_NOTIFY_NMI							\
87 	UUID_LE(0x5BAD89FF, 0xB7E6, 0x42c9, 0x81, 0x4A, 0xCF, 0x24,	\
88 		0x85, 0xD6, 0xE9, 0x8A)
89 /* BOOT Error Record */
90 #define CPER_NOTIFY_BOOT						\
91 	UUID_LE(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62,	\
92 		0xD4, 0x64, 0xB3, 0x8F)
93 /* DMA Remapping Error */
94 #define CPER_NOTIFY_DMAR						\
95 	UUID_LE(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E,	\
96 		0x72, 0x2D, 0xEB, 0x41)
97 
98 /*
99  * Flags bits definitions for flags in struct cper_record_header
100  * If set, the error has been recovered
101  */
102 #define CPER_HW_ERROR_FLAGS_RECOVERED		0x1
103 /* If set, the error is for previous boot */
104 #define CPER_HW_ERROR_FLAGS_PREVERR		0x2
105 /* If set, the error is injected for testing */
106 #define CPER_HW_ERROR_FLAGS_SIMULATED		0x4
107 
108 /*
109  * CPER section header revision, used in revision field in struct
110  * cper_section_descriptor
111  */
112 #define CPER_SEC_REV				0x0100
113 
114 /*
115  * Validation bits difinition for validation_bits in struct
116  * cper_section_descriptor. If set, corresponding fields in struct
117  * cper_section_descriptor contain valid information.
118  *
119  * corresponds fru_id
120  */
121 #define CPER_SEC_VALID_FRU_ID			0x1
122 /* corresponds fru_text */
123 #define CPER_SEC_VALID_FRU_TEXT			0x2
124 
125 /*
126  * Flags bits definitions for flags in struct cper_section_descriptor
127  *
128  * If set, the section is associated with the error condition
129  * directly, and should be focused on
130  */
131 #define CPER_SEC_PRIMARY			0x0001
132 /*
133  * If set, the error was not contained within the processor or memory
134  * hierarchy and the error may have propagated to persistent storage
135  * or network
136  */
137 #define CPER_SEC_CONTAINMENT_WARNING		0x0002
138 /* If set, the component must be re-initialized or re-enabled prior to use */
139 #define CPER_SEC_RESET				0x0004
140 /* If set, Linux may choose to discontinue use of the resource */
141 #define CPER_SEC_ERROR_THRESHOLD_EXCEEDED	0x0008
142 /*
143  * If set, resource could not be queried for error information due to
144  * conflicts with other system software or resources. Some fields of
145  * the section will be invalid
146  */
147 #define CPER_SEC_RESOURCE_NOT_ACCESSIBLE	0x0010
148 /*
149  * If set, action has been taken to ensure error containment (such as
150  * poisoning data), but the error has not been fully corrected and the
151  * data has not been consumed. Linux may choose to take further
152  * corrective action before the data is consumed
153  */
154 #define CPER_SEC_LATENT_ERROR			0x0020
155 
156 /*
157  * Section type definitions, used in section_type field in struct
158  * cper_section_descriptor
159  *
160  * Processor Generic
161  */
162 #define CPER_SEC_PROC_GENERIC						\
163 	UUID_LE(0x9876CCAD, 0x47B4, 0x4bdb, 0xB6, 0x5E, 0x16, 0xF1,	\
164 		0x93, 0xC4, 0xF3, 0xDB)
165 /* Processor Specific: X86/X86_64 */
166 #define CPER_SEC_PROC_IA						\
167 	UUID_LE(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA,	\
168 		0x24, 0x2B, 0x6E, 0x1D)
169 /* Processor Specific: IA64 */
170 #define CPER_SEC_PROC_IPF						\
171 	UUID_LE(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00,	\
172 		0x80, 0xC7, 0x3C, 0x88, 0x81)
173 /* Platform Memory */
174 #define CPER_SEC_PLATFORM_MEM						\
175 	UUID_LE(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83,	\
176 		0xED, 0x7C, 0x83, 0xB1)
177 #define CPER_SEC_PCIE							\
178 	UUID_LE(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D,	\
179 		0xCB, 0x3C, 0x6F, 0x35)
180 /* Firmware Error Record Reference */
181 #define CPER_SEC_FW_ERR_REC_REF						\
182 	UUID_LE(0x81212A96, 0x09ED, 0x4996, 0x94, 0x71, 0x8D, 0x72,	\
183 		0x9C, 0x8E, 0x69, 0xED)
184 /* PCI/PCI-X Bus */
185 #define CPER_SEC_PCI_X_BUS						\
186 	UUID_LE(0xC5753963, 0x3B84, 0x4095, 0xBF, 0x78, 0xED, 0xDA,	\
187 		0xD3, 0xF9, 0xC9, 0xDD)
188 /* PCI Component/Device */
189 #define CPER_SEC_PCI_DEV						\
190 	UUID_LE(0xEB5E4685, 0xCA66, 0x4769, 0xB6, 0xA2, 0x26, 0x06,	\
191 		0x8B, 0x00, 0x13, 0x26)
192 #define CPER_SEC_DMAR_GENERIC						\
193 	UUID_LE(0x5B51FEF7, 0xC79D, 0x4434, 0x8F, 0x1B, 0xAA, 0x62,	\
194 		0xDE, 0x3E, 0x2C, 0x64)
195 /* Intel VT for Directed I/O specific DMAr */
196 #define CPER_SEC_DMAR_VT						\
197 	UUID_LE(0x71761D37, 0x32B2, 0x45cd, 0xA7, 0xD0, 0xB0, 0xFE,	\
198 		0xDD, 0x93, 0xE8, 0xCF)
199 /* IOMMU specific DMAr */
200 #define CPER_SEC_DMAR_IOMMU						\
201 	UUID_LE(0x036F84E1, 0x7F37, 0x428c, 0xA7, 0x9E, 0x57, 0x5F,	\
202 		0xDF, 0xAA, 0x84, 0xEC)
203 
204 /*
205  * All tables and structs must be byte-packed to match CPER
206  * specification, since the tables are provided by the system BIOS
207  */
208 #pragma pack(1)
209 
210 struct cper_record_header {
211 	char	signature[CPER_SIG_SIZE];	/* must be CPER_SIG_RECORD */
212 	__u16	revision;			/* must be CPER_RECORD_REV */
213 	__u32	signature_end;			/* must be CPER_SIG_END */
214 	__u16	section_count;
215 	__u32	error_severity;
216 	__u32	validation_bits;
217 	__u32	record_length;
218 	__u64	timestamp;
219 	uuid_le	platform_id;
220 	uuid_le	partition_id;
221 	uuid_le	creator_id;
222 	uuid_le	notification_type;
223 	__u64	record_id;
224 	__u32	flags;
225 	__u64	persistence_information;
226 	__u8	reserved[12];			/* must be zero */
227 };
228 
229 struct cper_section_descriptor {
230 	__u32	section_offset;		/* Offset in bytes of the
231 					 *  section body from the base
232 					 *  of the record header */
233 	__u32	section_length;
234 	__u16	revision;		/* must be CPER_RECORD_REV */
235 	__u8	validation_bits;
236 	__u8	reserved;		/* must be zero */
237 	__u32	flags;
238 	uuid_le	section_type;
239 	uuid_le	fru_id;
240 	__u32	section_severity;
241 	__u8	fru_text[20];
242 };
243 
244 /* Generic Processor Error Section */
245 struct cper_sec_proc_generic {
246 	__u64	validation_bits;
247 	__u8	proc_type;
248 	__u8	proc_isa;
249 	__u8	proc_error_type;
250 	__u8	operation;
251 	__u8	flags;
252 	__u8	level;
253 	__u16	reserved;
254 	__u64	cpu_version;
255 	char	cpu_brand[128];
256 	__u64	proc_id;
257 	__u64	target_addr;
258 	__u64	requestor_id;
259 	__u64	responder_id;
260 	__u64	ip;
261 };
262 
263 /* IA32/X64 Processor Error Section */
264 struct cper_sec_proc_ia {
265 	__u64	validation_bits;
266 	__u8	lapic_id;
267 	__u8	cpuid[48];
268 };
269 
270 /* IA32/X64 Processor Error Infomation Structure */
271 struct cper_ia_err_info {
272 	uuid_le	err_type;
273 	__u64	validation_bits;
274 	__u64	check_info;
275 	__u64	target_id;
276 	__u64	requestor_id;
277 	__u64	responder_id;
278 	__u64	ip;
279 };
280 
281 /* IA32/X64 Processor Context Information Structure */
282 struct cper_ia_proc_ctx {
283 	__u16	reg_ctx_type;
284 	__u16	reg_arr_size;
285 	__u32	msr_addr;
286 	__u64	mm_reg_addr;
287 };
288 
289 /* Memory Error Section */
290 struct cper_sec_mem_err {
291 	__u64	validation_bits;
292 	__u64	error_status;
293 	__u64	physical_addr;
294 	__u64	physical_addr_mask;
295 	__u16	node;
296 	__u16	card;
297 	__u16	module;
298 	__u16	bank;
299 	__u16	device;
300 	__u16	row;
301 	__u16	column;
302 	__u16	bit_pos;
303 	__u64	requestor_id;
304 	__u64	responder_id;
305 	__u64	target_id;
306 	__u8	error_type;
307 };
308 
309 /* Reset to default packing */
310 #pragma pack()
311 
312 u64 cper_next_record_id(void);
313 
314 #endif
315