1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * UEFI Common Platform Error Record
4 *
5 * Copyright (C) 2010, Intel Corp.
6 * Author: Huang Ying <ying.huang@intel.com>
7 */
8
9 #ifndef LINUX_CPER_H
10 #define LINUX_CPER_H
11
12 #include <linux/uuid.h>
13 #include <linux/trace_seq.h>
14
15 /* CPER record signature and the size */
16 #define CPER_SIG_RECORD "CPER"
17 #define CPER_SIG_SIZE 4
18 /* Used in signature_end field in struct cper_record_header */
19 #define CPER_SIG_END 0xffffffff
20
21 /*
22 * CPER record header revision, used in revision field in struct
23 * cper_record_header
24 */
25 #define CPER_RECORD_REV 0x0100
26
27 /*
28 * CPER record length contains the CPER fields which are relevant for further
29 * handling of a memory error in userspace (we don't carry all the fields
30 * defined in the UEFI spec because some of them don't make any sense.)
31 * Currently, a length of 256 should be more than enough.
32 */
33 #define CPER_REC_LEN 256
34 /*
35 * Severity definition for error_severity in struct cper_record_header
36 * and section_severity in struct cper_section_descriptor
37 */
38 enum {
39 CPER_SEV_RECOVERABLE,
40 CPER_SEV_FATAL,
41 CPER_SEV_CORRECTED,
42 CPER_SEV_INFORMATIONAL,
43 };
44
45 /*
46 * Validation bits definition for validation_bits in struct
47 * cper_record_header. If set, corresponding fields in struct
48 * cper_record_header contain valid information.
49 */
50 #define CPER_VALID_PLATFORM_ID 0x0001
51 #define CPER_VALID_TIMESTAMP 0x0002
52 #define CPER_VALID_PARTITION_ID 0x0004
53
54 /*
55 * Notification type used to generate error record, used in
56 * notification_type in struct cper_record_header. These UUIDs are defined
57 * in the UEFI spec v2.7, sec N.2.1.
58 */
59
60 /* Corrected Machine Check */
61 #define CPER_NOTIFY_CMC \
62 GUID_INIT(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4, \
63 0xEB, 0xD4, 0xF8, 0x90)
64 /* Corrected Platform Error */
65 #define CPER_NOTIFY_CPE \
66 GUID_INIT(0x4E292F96, 0xD843, 0x4a55, 0xA8, 0xC2, 0xD4, 0x81, \
67 0xF2, 0x7E, 0xBE, 0xEE)
68 /* Machine Check Exception */
69 #define CPER_NOTIFY_MCE \
70 GUID_INIT(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB, \
71 0xE1, 0x49, 0x13, 0xBB)
72 /* PCI Express Error */
73 #define CPER_NOTIFY_PCIE \
74 GUID_INIT(0xCF93C01F, 0x1A16, 0x4dfc, 0xB8, 0xBC, 0x9C, 0x4D, \
75 0xAF, 0x67, 0xC1, 0x04)
76 /* INIT Record (for IPF) */
77 #define CPER_NOTIFY_INIT \
78 GUID_INIT(0xCC5263E8, 0x9308, 0x454a, 0x89, 0xD0, 0x34, 0x0B, \
79 0xD3, 0x9B, 0xC9, 0x8E)
80 /* Non-Maskable Interrupt */
81 #define CPER_NOTIFY_NMI \
82 GUID_INIT(0x5BAD89FF, 0xB7E6, 0x42c9, 0x81, 0x4A, 0xCF, 0x24, \
83 0x85, 0xD6, 0xE9, 0x8A)
84 /* BOOT Error Record */
85 #define CPER_NOTIFY_BOOT \
86 GUID_INIT(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62, \
87 0xD4, 0x64, 0xB3, 0x8F)
88 /* DMA Remapping Error */
89 #define CPER_NOTIFY_DMAR \
90 GUID_INIT(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E, \
91 0x72, 0x2D, 0xEB, 0x41)
92
93 /*
94 * Flags bits definitions for flags in struct cper_record_header
95 * If set, the error has been recovered
96 */
97 #define CPER_HW_ERROR_FLAGS_RECOVERED 0x1
98 /* If set, the error is for previous boot */
99 #define CPER_HW_ERROR_FLAGS_PREVERR 0x2
100 /* If set, the error is injected for testing */
101 #define CPER_HW_ERROR_FLAGS_SIMULATED 0x4
102
103 /*
104 * CPER section header revision, used in revision field in struct
105 * cper_section_descriptor
106 */
107 #define CPER_SEC_REV 0x0100
108
109 /*
110 * Validation bits definition for validation_bits in struct
111 * cper_section_descriptor. If set, corresponding fields in struct
112 * cper_section_descriptor contain valid information.
113 */
114 #define CPER_SEC_VALID_FRU_ID 0x1
115 #define CPER_SEC_VALID_FRU_TEXT 0x2
116
117 /*
118 * Flags bits definitions for flags in struct cper_section_descriptor
119 *
120 * If set, the section is associated with the error condition
121 * directly, and should be focused on
122 */
123 #define CPER_SEC_PRIMARY 0x0001
124 /*
125 * If set, the error was not contained within the processor or memory
126 * hierarchy and the error may have propagated to persistent storage
127 * or network
128 */
129 #define CPER_SEC_CONTAINMENT_WARNING 0x0002
130 /* If set, the component must be re-initialized or re-enabled prior to use */
131 #define CPER_SEC_RESET 0x0004
132 /* If set, Linux may choose to discontinue use of the resource */
133 #define CPER_SEC_ERROR_THRESHOLD_EXCEEDED 0x0008
134 /*
135 * If set, resource could not be queried for error information due to
136 * conflicts with other system software or resources. Some fields of
137 * the section will be invalid
138 */
139 #define CPER_SEC_RESOURCE_NOT_ACCESSIBLE 0x0010
140 /*
141 * If set, action has been taken to ensure error containment (such as
142 * poisoning data), but the error has not been fully corrected and the
143 * data has not been consumed. Linux may choose to take further
144 * corrective action before the data is consumed
145 */
146 #define CPER_SEC_LATENT_ERROR 0x0020
147
148 /*
149 * Section type definitions, used in section_type field in struct
150 * cper_section_descriptor. These UUIDs are defined in the UEFI spec
151 * v2.7, sec N.2.2.
152 */
153
154 /* Processor Generic */
155 #define CPER_SEC_PROC_GENERIC \
156 GUID_INIT(0x9876CCAD, 0x47B4, 0x4bdb, 0xB6, 0x5E, 0x16, 0xF1, \
157 0x93, 0xC4, 0xF3, 0xDB)
158 /* Processor Specific: X86/X86_64 */
159 #define CPER_SEC_PROC_IA \
160 GUID_INIT(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA, \
161 0x24, 0x2B, 0x6E, 0x1D)
162 /* Processor Specific: IA64 */
163 #define CPER_SEC_PROC_IPF \
164 GUID_INIT(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00, \
165 0x80, 0xC7, 0x3C, 0x88, 0x81)
166 /* Processor Specific: ARM */
167 #define CPER_SEC_PROC_ARM \
168 GUID_INIT(0xE19E3D16, 0xBC11, 0x11E4, 0x9C, 0xAA, 0xC2, 0x05, \
169 0x1D, 0x5D, 0x46, 0xB0)
170 /* Platform Memory */
171 #define CPER_SEC_PLATFORM_MEM \
172 GUID_INIT(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83, \
173 0xED, 0x7C, 0x83, 0xB1)
174 #define CPER_SEC_PCIE \
175 GUID_INIT(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D, \
176 0xCB, 0x3C, 0x6F, 0x35)
177 /* Firmware Error Record Reference */
178 #define CPER_SEC_FW_ERR_REC_REF \
179 GUID_INIT(0x81212A96, 0x09ED, 0x4996, 0x94, 0x71, 0x8D, 0x72, \
180 0x9C, 0x8E, 0x69, 0xED)
181 /* PCI/PCI-X Bus */
182 #define CPER_SEC_PCI_X_BUS \
183 GUID_INIT(0xC5753963, 0x3B84, 0x4095, 0xBF, 0x78, 0xED, 0xDA, \
184 0xD3, 0xF9, 0xC9, 0xDD)
185 /* PCI Component/Device */
186 #define CPER_SEC_PCI_DEV \
187 GUID_INIT(0xEB5E4685, 0xCA66, 0x4769, 0xB6, 0xA2, 0x26, 0x06, \
188 0x8B, 0x00, 0x13, 0x26)
189 #define CPER_SEC_DMAR_GENERIC \
190 GUID_INIT(0x5B51FEF7, 0xC79D, 0x4434, 0x8F, 0x1B, 0xAA, 0x62, \
191 0xDE, 0x3E, 0x2C, 0x64)
192 /* Intel VT for Directed I/O specific DMAr */
193 #define CPER_SEC_DMAR_VT \
194 GUID_INIT(0x71761D37, 0x32B2, 0x45cd, 0xA7, 0xD0, 0xB0, 0xFE, \
195 0xDD, 0x93, 0xE8, 0xCF)
196 /* IOMMU specific DMAr */
197 #define CPER_SEC_DMAR_IOMMU \
198 GUID_INIT(0x036F84E1, 0x7F37, 0x428c, 0xA7, 0x9E, 0x57, 0x5F, \
199 0xDF, 0xAA, 0x84, 0xEC)
200
201 #define CPER_PROC_VALID_TYPE 0x0001
202 #define CPER_PROC_VALID_ISA 0x0002
203 #define CPER_PROC_VALID_ERROR_TYPE 0x0004
204 #define CPER_PROC_VALID_OPERATION 0x0008
205 #define CPER_PROC_VALID_FLAGS 0x0010
206 #define CPER_PROC_VALID_LEVEL 0x0020
207 #define CPER_PROC_VALID_VERSION 0x0040
208 #define CPER_PROC_VALID_BRAND_INFO 0x0080
209 #define CPER_PROC_VALID_ID 0x0100
210 #define CPER_PROC_VALID_TARGET_ADDRESS 0x0200
211 #define CPER_PROC_VALID_REQUESTOR_ID 0x0400
212 #define CPER_PROC_VALID_RESPONDER_ID 0x0800
213 #define CPER_PROC_VALID_IP 0x1000
214
215 #define CPER_MEM_VALID_ERROR_STATUS 0x0001
216 #define CPER_MEM_VALID_PA 0x0002
217 #define CPER_MEM_VALID_PA_MASK 0x0004
218 #define CPER_MEM_VALID_NODE 0x0008
219 #define CPER_MEM_VALID_CARD 0x0010
220 #define CPER_MEM_VALID_MODULE 0x0020
221 #define CPER_MEM_VALID_BANK 0x0040
222 #define CPER_MEM_VALID_DEVICE 0x0080
223 #define CPER_MEM_VALID_ROW 0x0100
224 #define CPER_MEM_VALID_COLUMN 0x0200
225 #define CPER_MEM_VALID_BIT_POSITION 0x0400
226 #define CPER_MEM_VALID_REQUESTOR_ID 0x0800
227 #define CPER_MEM_VALID_RESPONDER_ID 0x1000
228 #define CPER_MEM_VALID_TARGET_ID 0x2000
229 #define CPER_MEM_VALID_ERROR_TYPE 0x4000
230 #define CPER_MEM_VALID_RANK_NUMBER 0x8000
231 #define CPER_MEM_VALID_CARD_HANDLE 0x10000
232 #define CPER_MEM_VALID_MODULE_HANDLE 0x20000
233 #define CPER_MEM_VALID_ROW_EXT 0x40000
234 #define CPER_MEM_VALID_BANK_GROUP 0x80000
235 #define CPER_MEM_VALID_BANK_ADDRESS 0x100000
236 #define CPER_MEM_VALID_CHIP_ID 0x200000
237
238 #define CPER_MEM_EXT_ROW_MASK 0x3
239 #define CPER_MEM_EXT_ROW_SHIFT 16
240
241 #define CPER_MEM_BANK_ADDRESS_MASK 0xff
242 #define CPER_MEM_BANK_GROUP_SHIFT 8
243
244 #define CPER_MEM_CHIP_ID_SHIFT 5
245
246 #define CPER_PCIE_VALID_PORT_TYPE 0x0001
247 #define CPER_PCIE_VALID_VERSION 0x0002
248 #define CPER_PCIE_VALID_COMMAND_STATUS 0x0004
249 #define CPER_PCIE_VALID_DEVICE_ID 0x0008
250 #define CPER_PCIE_VALID_SERIAL_NUMBER 0x0010
251 #define CPER_PCIE_VALID_BRIDGE_CONTROL_STATUS 0x0020
252 #define CPER_PCIE_VALID_CAPABILITY 0x0040
253 #define CPER_PCIE_VALID_AER_INFO 0x0080
254
255 #define CPER_PCIE_SLOT_SHIFT 3
256
257 #define CPER_ARM_VALID_MPIDR BIT(0)
258 #define CPER_ARM_VALID_AFFINITY_LEVEL BIT(1)
259 #define CPER_ARM_VALID_RUNNING_STATE BIT(2)
260 #define CPER_ARM_VALID_VENDOR_INFO BIT(3)
261
262 #define CPER_ARM_INFO_VALID_MULTI_ERR BIT(0)
263 #define CPER_ARM_INFO_VALID_FLAGS BIT(1)
264 #define CPER_ARM_INFO_VALID_ERR_INFO BIT(2)
265 #define CPER_ARM_INFO_VALID_VIRT_ADDR BIT(3)
266 #define CPER_ARM_INFO_VALID_PHYSICAL_ADDR BIT(4)
267
268 #define CPER_ARM_INFO_FLAGS_FIRST BIT(0)
269 #define CPER_ARM_INFO_FLAGS_LAST BIT(1)
270 #define CPER_ARM_INFO_FLAGS_PROPAGATED BIT(2)
271 #define CPER_ARM_INFO_FLAGS_OVERFLOW BIT(3)
272
273 #define CPER_ARM_CACHE_ERROR 0
274 #define CPER_ARM_TLB_ERROR 1
275 #define CPER_ARM_BUS_ERROR 2
276 #define CPER_ARM_VENDOR_ERROR 3
277 #define CPER_ARM_MAX_TYPE CPER_ARM_VENDOR_ERROR
278
279 #define CPER_ARM_ERR_VALID_TRANSACTION_TYPE BIT(0)
280 #define CPER_ARM_ERR_VALID_OPERATION_TYPE BIT(1)
281 #define CPER_ARM_ERR_VALID_LEVEL BIT(2)
282 #define CPER_ARM_ERR_VALID_PROC_CONTEXT_CORRUPT BIT(3)
283 #define CPER_ARM_ERR_VALID_CORRECTED BIT(4)
284 #define CPER_ARM_ERR_VALID_PRECISE_PC BIT(5)
285 #define CPER_ARM_ERR_VALID_RESTARTABLE_PC BIT(6)
286 #define CPER_ARM_ERR_VALID_PARTICIPATION_TYPE BIT(7)
287 #define CPER_ARM_ERR_VALID_TIME_OUT BIT(8)
288 #define CPER_ARM_ERR_VALID_ADDRESS_SPACE BIT(9)
289 #define CPER_ARM_ERR_VALID_MEM_ATTRIBUTES BIT(10)
290 #define CPER_ARM_ERR_VALID_ACCESS_MODE BIT(11)
291
292 #define CPER_ARM_ERR_TRANSACTION_SHIFT 16
293 #define CPER_ARM_ERR_TRANSACTION_MASK GENMASK(1,0)
294 #define CPER_ARM_ERR_OPERATION_SHIFT 18
295 #define CPER_ARM_ERR_OPERATION_MASK GENMASK(3,0)
296 #define CPER_ARM_ERR_LEVEL_SHIFT 22
297 #define CPER_ARM_ERR_LEVEL_MASK GENMASK(2,0)
298 #define CPER_ARM_ERR_PC_CORRUPT_SHIFT 25
299 #define CPER_ARM_ERR_PC_CORRUPT_MASK GENMASK(0,0)
300 #define CPER_ARM_ERR_CORRECTED_SHIFT 26
301 #define CPER_ARM_ERR_CORRECTED_MASK GENMASK(0,0)
302 #define CPER_ARM_ERR_PRECISE_PC_SHIFT 27
303 #define CPER_ARM_ERR_PRECISE_PC_MASK GENMASK(0,0)
304 #define CPER_ARM_ERR_RESTARTABLE_PC_SHIFT 28
305 #define CPER_ARM_ERR_RESTARTABLE_PC_MASK GENMASK(0,0)
306 #define CPER_ARM_ERR_PARTICIPATION_TYPE_SHIFT 29
307 #define CPER_ARM_ERR_PARTICIPATION_TYPE_MASK GENMASK(1,0)
308 #define CPER_ARM_ERR_TIME_OUT_SHIFT 31
309 #define CPER_ARM_ERR_TIME_OUT_MASK GENMASK(0,0)
310 #define CPER_ARM_ERR_ADDRESS_SPACE_SHIFT 32
311 #define CPER_ARM_ERR_ADDRESS_SPACE_MASK GENMASK(1,0)
312 #define CPER_ARM_ERR_MEM_ATTRIBUTES_SHIFT 34
313 #define CPER_ARM_ERR_MEM_ATTRIBUTES_MASK GENMASK(8,0)
314 #define CPER_ARM_ERR_ACCESS_MODE_SHIFT 43
315 #define CPER_ARM_ERR_ACCESS_MODE_MASK GENMASK(0,0)
316
317 /*
318 * All tables and structs must be byte-packed to match CPER
319 * specification, since the tables are provided by the system BIOS
320 */
321 #pragma pack(1)
322
323 /* Record Header, UEFI v2.7 sec N.2.1 */
324 struct cper_record_header {
325 char signature[CPER_SIG_SIZE]; /* must be CPER_SIG_RECORD */
326 u16 revision; /* must be CPER_RECORD_REV */
327 u32 signature_end; /* must be CPER_SIG_END */
328 u16 section_count;
329 u32 error_severity;
330 u32 validation_bits;
331 u32 record_length;
332 u64 timestamp;
333 guid_t platform_id;
334 guid_t partition_id;
335 guid_t creator_id;
336 guid_t notification_type;
337 u64 record_id;
338 u32 flags;
339 u64 persistence_information;
340 u8 reserved[12]; /* must be zero */
341 };
342
343 /* Section Descriptor, UEFI v2.7 sec N.2.2 */
344 struct cper_section_descriptor {
345 u32 section_offset; /* Offset in bytes of the
346 * section body from the base
347 * of the record header */
348 u32 section_length;
349 u16 revision; /* must be CPER_RECORD_REV */
350 u8 validation_bits;
351 u8 reserved; /* must be zero */
352 u32 flags;
353 guid_t section_type;
354 guid_t fru_id;
355 u32 section_severity;
356 u8 fru_text[20];
357 };
358
359 /* Generic Processor Error Section, UEFI v2.7 sec N.2.4.1 */
360 struct cper_sec_proc_generic {
361 u64 validation_bits;
362 u8 proc_type;
363 u8 proc_isa;
364 u8 proc_error_type;
365 u8 operation;
366 u8 flags;
367 u8 level;
368 u16 reserved;
369 u64 cpu_version;
370 char cpu_brand[128];
371 u64 proc_id;
372 u64 target_addr;
373 u64 requestor_id;
374 u64 responder_id;
375 u64 ip;
376 };
377
378 /* IA32/X64 Processor Error Section, UEFI v2.7 sec N.2.4.2 */
379 struct cper_sec_proc_ia {
380 u64 validation_bits;
381 u64 lapic_id;
382 u8 cpuid[48];
383 };
384
385 /* IA32/X64 Processor Error Information Structure, UEFI v2.7 sec N.2.4.2.1 */
386 struct cper_ia_err_info {
387 guid_t err_type;
388 u64 validation_bits;
389 u64 check_info;
390 u64 target_id;
391 u64 requestor_id;
392 u64 responder_id;
393 u64 ip;
394 };
395
396 /* IA32/X64 Processor Context Information Structure, UEFI v2.7 sec N.2.4.2.2 */
397 struct cper_ia_proc_ctx {
398 u16 reg_ctx_type;
399 u16 reg_arr_size;
400 u32 msr_addr;
401 u64 mm_reg_addr;
402 };
403
404 /* ARM Processor Error Section, UEFI v2.7 sec N.2.4.4 */
405 struct cper_sec_proc_arm {
406 u32 validation_bits;
407 u16 err_info_num; /* Number of Processor Error Info */
408 u16 context_info_num; /* Number of Processor Context Info Records*/
409 u32 section_length;
410 u8 affinity_level;
411 u8 reserved[3]; /* must be zero */
412 u64 mpidr;
413 u64 midr;
414 u32 running_state; /* Bit 0 set - Processor running. PSCI = 0 */
415 u32 psci_state;
416 };
417
418 /* ARM Processor Error Information Structure, UEFI v2.7 sec N.2.4.4.1 */
419 struct cper_arm_err_info {
420 u8 version;
421 u8 length;
422 u16 validation_bits;
423 u8 type;
424 u16 multiple_error;
425 u8 flags;
426 u64 error_info;
427 u64 virt_fault_addr;
428 u64 physical_fault_addr;
429 };
430
431 /* ARM Processor Context Information Structure, UEFI v2.7 sec N.2.4.4.2 */
432 struct cper_arm_ctx_info {
433 u16 version;
434 u16 type;
435 u32 size;
436 };
437
438 /* Old Memory Error Section, UEFI v2.1, v2.2 */
439 struct cper_sec_mem_err_old {
440 u64 validation_bits;
441 u64 error_status;
442 u64 physical_addr;
443 u64 physical_addr_mask;
444 u16 node;
445 u16 card;
446 u16 module;
447 u16 bank;
448 u16 device;
449 u16 row;
450 u16 column;
451 u16 bit_pos;
452 u64 requestor_id;
453 u64 responder_id;
454 u64 target_id;
455 u8 error_type;
456 };
457
458 /* Memory Error Section (UEFI >= v2.3), UEFI v2.8 sec N.2.5 */
459 struct cper_sec_mem_err {
460 u64 validation_bits;
461 u64 error_status;
462 u64 physical_addr;
463 u64 physical_addr_mask;
464 u16 node;
465 u16 card;
466 u16 module;
467 u16 bank;
468 u16 device;
469 u16 row;
470 u16 column;
471 u16 bit_pos;
472 u64 requestor_id;
473 u64 responder_id;
474 u64 target_id;
475 u8 error_type;
476 u8 extended;
477 u16 rank;
478 u16 mem_array_handle; /* "card handle" in UEFI 2.4 */
479 u16 mem_dev_handle; /* "module handle" in UEFI 2.4 */
480 };
481
482 struct cper_mem_err_compact {
483 u64 validation_bits;
484 u16 node;
485 u16 card;
486 u16 module;
487 u16 bank;
488 u16 device;
489 u16 row;
490 u16 column;
491 u16 bit_pos;
492 u64 requestor_id;
493 u64 responder_id;
494 u64 target_id;
495 u16 rank;
496 u16 mem_array_handle;
497 u16 mem_dev_handle;
498 u8 extended;
499 };
500
cper_get_mem_extension(u64 mem_valid,u8 mem_extended)501 static inline u32 cper_get_mem_extension(u64 mem_valid, u8 mem_extended)
502 {
503 if (!(mem_valid & CPER_MEM_VALID_ROW_EXT))
504 return 0;
505 return (mem_extended & CPER_MEM_EXT_ROW_MASK) << CPER_MEM_EXT_ROW_SHIFT;
506 }
507
508 /* PCI Express Error Section, UEFI v2.7 sec N.2.7 */
509 struct cper_sec_pcie {
510 u64 validation_bits;
511 u32 port_type;
512 struct {
513 u8 minor;
514 u8 major;
515 u8 reserved[2];
516 } version;
517 u16 command;
518 u16 status;
519 u32 reserved;
520 struct {
521 u16 vendor_id;
522 u16 device_id;
523 u8 class_code[3];
524 u8 function;
525 u8 device;
526 u16 segment;
527 u8 bus;
528 u8 secondary_bus;
529 u16 slot;
530 u8 reserved;
531 } device_id;
532 struct {
533 u32 lower;
534 u32 upper;
535 } serial_number;
536 struct {
537 u16 secondary_status;
538 u16 control;
539 } bridge;
540 u8 capability[60];
541 u8 aer_info[96];
542 };
543
544 /* Firmware Error Record Reference, UEFI v2.7 sec N.2.10 */
545 struct cper_sec_fw_err_rec_ref {
546 u8 record_type;
547 u8 revision;
548 u8 reserved[6];
549 u64 record_identifier;
550 guid_t record_identifier_guid;
551 };
552
553 /* Reset to default packing */
554 #pragma pack()
555
556 extern const char *const cper_proc_error_type_strs[4];
557
558 u64 cper_next_record_id(void);
559 const char *cper_severity_str(unsigned int);
560 const char *cper_mem_err_type_str(unsigned int);
561 const char *cper_mem_err_status_str(u64 status);
562 void cper_print_bits(const char *prefix, unsigned int bits,
563 const char * const strs[], unsigned int strs_size);
564 void cper_mem_err_pack(const struct cper_sec_mem_err *,
565 struct cper_mem_err_compact *);
566 const char *cper_mem_err_unpack(struct trace_seq *,
567 struct cper_mem_err_compact *);
568 void cper_print_proc_arm(const char *pfx,
569 const struct cper_sec_proc_arm *proc);
570 void cper_print_proc_ia(const char *pfx,
571 const struct cper_sec_proc_ia *proc);
572 int cper_mem_err_location(struct cper_mem_err_compact *mem, char *msg);
573 int cper_dimm_err_location(struct cper_mem_err_compact *mem, char *msg);
574
575 struct acpi_hest_generic_status;
576 void cper_estatus_print(const char *pfx,
577 const struct acpi_hest_generic_status *estatus);
578 int cper_estatus_check_header(const struct acpi_hest_generic_status *estatus);
579 int cper_estatus_check(const struct acpi_hest_generic_status *estatus);
580
581 #endif
582