2 * UEFI Common Platform Error Record
4 * Copyright (C) 2010, Intel Corp.
5 * Author: Huang Ying <ying.huang@intel.com>
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.
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.
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
24 #include <linux/uuid.h>
25 #include <linux/trace_seq.h>
27 /* CPER record signature and the size */
28 #define CPER_SIG_RECORD "CPER"
29 #define CPER_SIG_SIZE 4
30 /* Used in signature_end field in struct cper_record_header */
31 #define CPER_SIG_END 0xffffffff
34 * CPER record header revision, used in revision field in struct
37 #define CPER_RECORD_REV 0x0100
40 * CPER record length contains the CPER fields which are relevant for further
41 * handling of a memory error in userspace (we don't carry all the fields
42 * defined in the UEFI spec because some of them don't make any sense.)
43 * Currently, a length of 256 should be more than enough.
45 #define CPER_REC_LEN 256
47 * Severity difinition for error_severity in struct cper_record_header
48 * and section_severity in struct cper_section_descriptor
54 CPER_SEV_INFORMATIONAL
,
58 * Validation bits difinition for validation_bits in struct
59 * cper_record_header. If set, corresponding fields in struct
60 * cper_record_header contain valid information.
62 * corresponds platform_id
64 #define CPER_VALID_PLATFORM_ID 0x0001
65 /* corresponds timestamp */
66 #define CPER_VALID_TIMESTAMP 0x0002
67 /* corresponds partition_id */
68 #define CPER_VALID_PARTITION_ID 0x0004
71 * Notification type used to generate error record, used in
72 * notification_type in struct cper_record_header
74 * Corrected Machine Check
76 #define CPER_NOTIFY_CMC \
77 GUID_INIT(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4, \
78 0xEB, 0xD4, 0xF8, 0x90)
79 /* Corrected Platform Error */
80 #define CPER_NOTIFY_CPE \
81 GUID_INIT(0x4E292F96, 0xD843, 0x4a55, 0xA8, 0xC2, 0xD4, 0x81, \
82 0xF2, 0x7E, 0xBE, 0xEE)
83 /* Machine Check Exception */
84 #define CPER_NOTIFY_MCE \
85 GUID_INIT(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB, \
86 0xE1, 0x49, 0x13, 0xBB)
87 /* PCI Express Error */
88 #define CPER_NOTIFY_PCIE \
89 GUID_INIT(0xCF93C01F, 0x1A16, 0x4dfc, 0xB8, 0xBC, 0x9C, 0x4D, \
90 0xAF, 0x67, 0xC1, 0x04)
91 /* INIT Record (for IPF) */
92 #define CPER_NOTIFY_INIT \
93 GUID_INIT(0xCC5263E8, 0x9308, 0x454a, 0x89, 0xD0, 0x34, 0x0B, \
94 0xD3, 0x9B, 0xC9, 0x8E)
95 /* Non-Maskable Interrupt */
96 #define CPER_NOTIFY_NMI \
97 GUID_INIT(0x5BAD89FF, 0xB7E6, 0x42c9, 0x81, 0x4A, 0xCF, 0x24, \
98 0x85, 0xD6, 0xE9, 0x8A)
99 /* BOOT Error Record */
100 #define CPER_NOTIFY_BOOT \
101 GUID_INIT(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62, \
102 0xD4, 0x64, 0xB3, 0x8F)
103 /* DMA Remapping Error */
104 #define CPER_NOTIFY_DMAR \
105 GUID_INIT(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E, \
106 0x72, 0x2D, 0xEB, 0x41)
109 * Flags bits definitions for flags in struct cper_record_header
110 * If set, the error has been recovered
112 #define CPER_HW_ERROR_FLAGS_RECOVERED 0x1
113 /* If set, the error is for previous boot */
114 #define CPER_HW_ERROR_FLAGS_PREVERR 0x2
115 /* If set, the error is injected for testing */
116 #define CPER_HW_ERROR_FLAGS_SIMULATED 0x4
119 * CPER section header revision, used in revision field in struct
120 * cper_section_descriptor
122 #define CPER_SEC_REV 0x0100
125 * Validation bits difinition for validation_bits in struct
126 * cper_section_descriptor. If set, corresponding fields in struct
127 * cper_section_descriptor contain valid information.
131 #define CPER_SEC_VALID_FRU_ID 0x1
132 /* corresponds fru_text */
133 #define CPER_SEC_VALID_FRU_TEXT 0x2
136 * Flags bits definitions for flags in struct cper_section_descriptor
138 * If set, the section is associated with the error condition
139 * directly, and should be focused on
141 #define CPER_SEC_PRIMARY 0x0001
143 * If set, the error was not contained within the processor or memory
144 * hierarchy and the error may have propagated to persistent storage
147 #define CPER_SEC_CONTAINMENT_WARNING 0x0002
148 /* If set, the component must be re-initialized or re-enabled prior to use */
149 #define CPER_SEC_RESET 0x0004
150 /* If set, Linux may choose to discontinue use of the resource */
151 #define CPER_SEC_ERROR_THRESHOLD_EXCEEDED 0x0008
153 * If set, resource could not be queried for error information due to
154 * conflicts with other system software or resources. Some fields of
155 * the section will be invalid
157 #define CPER_SEC_RESOURCE_NOT_ACCESSIBLE 0x0010
159 * If set, action has been taken to ensure error containment (such as
160 * poisoning data), but the error has not been fully corrected and the
161 * data has not been consumed. Linux may choose to take further
162 * corrective action before the data is consumed
164 #define CPER_SEC_LATENT_ERROR 0x0020
167 * Section type definitions, used in section_type field in struct
168 * cper_section_descriptor
172 #define CPER_SEC_PROC_GENERIC \
173 GUID_INIT(0x9876CCAD, 0x47B4, 0x4bdb, 0xB6, 0x5E, 0x16, 0xF1, \
174 0x93, 0xC4, 0xF3, 0xDB)
175 /* Processor Specific: X86/X86_64 */
176 #define CPER_SEC_PROC_IA \
177 GUID_INIT(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA, \
178 0x24, 0x2B, 0x6E, 0x1D)
179 /* Processor Specific: IA64 */
180 #define CPER_SEC_PROC_IPF \
181 GUID_INIT(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00, \
182 0x80, 0xC7, 0x3C, 0x88, 0x81)
183 /* Processor Specific: ARM */
184 #define CPER_SEC_PROC_ARM \
185 GUID_INIT(0xE19E3D16, 0xBC11, 0x11E4, 0x9C, 0xAA, 0xC2, 0x05, \
186 0x1D, 0x5D, 0x46, 0xB0)
187 /* Platform Memory */
188 #define CPER_SEC_PLATFORM_MEM \
189 GUID_INIT(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83, \
190 0xED, 0x7C, 0x83, 0xB1)
191 #define CPER_SEC_PCIE \
192 GUID_INIT(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D, \
193 0xCB, 0x3C, 0x6F, 0x35)
194 /* Firmware Error Record Reference */
195 #define CPER_SEC_FW_ERR_REC_REF \
196 GUID_INIT(0x81212A96, 0x09ED, 0x4996, 0x94, 0x71, 0x8D, 0x72, \
197 0x9C, 0x8E, 0x69, 0xED)
199 #define CPER_SEC_PCI_X_BUS \
200 GUID_INIT(0xC5753963, 0x3B84, 0x4095, 0xBF, 0x78, 0xED, 0xDA, \
201 0xD3, 0xF9, 0xC9, 0xDD)
202 /* PCI Component/Device */
203 #define CPER_SEC_PCI_DEV \
204 GUID_INIT(0xEB5E4685, 0xCA66, 0x4769, 0xB6, 0xA2, 0x26, 0x06, \
205 0x8B, 0x00, 0x13, 0x26)
206 #define CPER_SEC_DMAR_GENERIC \
207 GUID_INIT(0x5B51FEF7, 0xC79D, 0x4434, 0x8F, 0x1B, 0xAA, 0x62, \
208 0xDE, 0x3E, 0x2C, 0x64)
209 /* Intel VT for Directed I/O specific DMAr */
210 #define CPER_SEC_DMAR_VT \
211 GUID_INIT(0x71761D37, 0x32B2, 0x45cd, 0xA7, 0xD0, 0xB0, 0xFE, \
212 0xDD, 0x93, 0xE8, 0xCF)
213 /* IOMMU specific DMAr */
214 #define CPER_SEC_DMAR_IOMMU \
215 GUID_INIT(0x036F84E1, 0x7F37, 0x428c, 0xA7, 0x9E, 0x57, 0x5F, \
216 0xDF, 0xAA, 0x84, 0xEC)
218 #define CPER_PROC_VALID_TYPE 0x0001
219 #define CPER_PROC_VALID_ISA 0x0002
220 #define CPER_PROC_VALID_ERROR_TYPE 0x0004
221 #define CPER_PROC_VALID_OPERATION 0x0008
222 #define CPER_PROC_VALID_FLAGS 0x0010
223 #define CPER_PROC_VALID_LEVEL 0x0020
224 #define CPER_PROC_VALID_VERSION 0x0040
225 #define CPER_PROC_VALID_BRAND_INFO 0x0080
226 #define CPER_PROC_VALID_ID 0x0100
227 #define CPER_PROC_VALID_TARGET_ADDRESS 0x0200
228 #define CPER_PROC_VALID_REQUESTOR_ID 0x0400
229 #define CPER_PROC_VALID_RESPONDER_ID 0x0800
230 #define CPER_PROC_VALID_IP 0x1000
232 #define CPER_MEM_VALID_ERROR_STATUS 0x0001
233 #define CPER_MEM_VALID_PA 0x0002
234 #define CPER_MEM_VALID_PA_MASK 0x0004
235 #define CPER_MEM_VALID_NODE 0x0008
236 #define CPER_MEM_VALID_CARD 0x0010
237 #define CPER_MEM_VALID_MODULE 0x0020
238 #define CPER_MEM_VALID_BANK 0x0040
239 #define CPER_MEM_VALID_DEVICE 0x0080
240 #define CPER_MEM_VALID_ROW 0x0100
241 #define CPER_MEM_VALID_COLUMN 0x0200
242 #define CPER_MEM_VALID_BIT_POSITION 0x0400
243 #define CPER_MEM_VALID_REQUESTOR_ID 0x0800
244 #define CPER_MEM_VALID_RESPONDER_ID 0x1000
245 #define CPER_MEM_VALID_TARGET_ID 0x2000
246 #define CPER_MEM_VALID_ERROR_TYPE 0x4000
247 #define CPER_MEM_VALID_RANK_NUMBER 0x8000
248 #define CPER_MEM_VALID_CARD_HANDLE 0x10000
249 #define CPER_MEM_VALID_MODULE_HANDLE 0x20000
251 #define CPER_PCIE_VALID_PORT_TYPE 0x0001
252 #define CPER_PCIE_VALID_VERSION 0x0002
253 #define CPER_PCIE_VALID_COMMAND_STATUS 0x0004
254 #define CPER_PCIE_VALID_DEVICE_ID 0x0008
255 #define CPER_PCIE_VALID_SERIAL_NUMBER 0x0010
256 #define CPER_PCIE_VALID_BRIDGE_CONTROL_STATUS 0x0020
257 #define CPER_PCIE_VALID_CAPABILITY 0x0040
258 #define CPER_PCIE_VALID_AER_INFO 0x0080
260 #define CPER_PCIE_SLOT_SHIFT 3
262 #define CPER_ARM_VALID_MPIDR BIT(0)
263 #define CPER_ARM_VALID_AFFINITY_LEVEL BIT(1)
264 #define CPER_ARM_VALID_RUNNING_STATE BIT(2)
265 #define CPER_ARM_VALID_VENDOR_INFO BIT(3)
267 #define CPER_ARM_INFO_VALID_MULTI_ERR BIT(0)
268 #define CPER_ARM_INFO_VALID_FLAGS BIT(1)
269 #define CPER_ARM_INFO_VALID_ERR_INFO BIT(2)
270 #define CPER_ARM_INFO_VALID_VIRT_ADDR BIT(3)
271 #define CPER_ARM_INFO_VALID_PHYSICAL_ADDR BIT(4)
273 #define CPER_ARM_INFO_FLAGS_FIRST BIT(0)
274 #define CPER_ARM_INFO_FLAGS_LAST BIT(1)
275 #define CPER_ARM_INFO_FLAGS_PROPAGATED BIT(2)
276 #define CPER_ARM_INFO_FLAGS_OVERFLOW BIT(3)
278 #define CPER_ARM_CACHE_ERROR 0
279 #define CPER_ARM_TLB_ERROR 1
280 #define CPER_ARM_BUS_ERROR 2
281 #define CPER_ARM_VENDOR_ERROR 3
282 #define CPER_ARM_MAX_TYPE CPER_ARM_VENDOR_ERROR
284 #define CPER_ARM_ERR_VALID_TRANSACTION_TYPE BIT(0)
285 #define CPER_ARM_ERR_VALID_OPERATION_TYPE BIT(1)
286 #define CPER_ARM_ERR_VALID_LEVEL BIT(2)
287 #define CPER_ARM_ERR_VALID_PROC_CONTEXT_CORRUPT BIT(3)
288 #define CPER_ARM_ERR_VALID_CORRECTED BIT(4)
289 #define CPER_ARM_ERR_VALID_PRECISE_PC BIT(5)
290 #define CPER_ARM_ERR_VALID_RESTARTABLE_PC BIT(6)
291 #define CPER_ARM_ERR_VALID_PARTICIPATION_TYPE BIT(7)
292 #define CPER_ARM_ERR_VALID_TIME_OUT BIT(8)
293 #define CPER_ARM_ERR_VALID_ADDRESS_SPACE BIT(9)
294 #define CPER_ARM_ERR_VALID_MEM_ATTRIBUTES BIT(10)
295 #define CPER_ARM_ERR_VALID_ACCESS_MODE BIT(11)
297 #define CPER_ARM_ERR_TRANSACTION_SHIFT 16
298 #define CPER_ARM_ERR_TRANSACTION_MASK GENMASK(1,0)
299 #define CPER_ARM_ERR_OPERATION_SHIFT 18
300 #define CPER_ARM_ERR_OPERATION_MASK GENMASK(3,0)
301 #define CPER_ARM_ERR_LEVEL_SHIFT 22
302 #define CPER_ARM_ERR_LEVEL_MASK GENMASK(2,0)
303 #define CPER_ARM_ERR_PC_CORRUPT_SHIFT 25
304 #define CPER_ARM_ERR_PC_CORRUPT_MASK GENMASK(0,0)
305 #define CPER_ARM_ERR_CORRECTED_SHIFT 26
306 #define CPER_ARM_ERR_CORRECTED_MASK GENMASK(0,0)
307 #define CPER_ARM_ERR_PRECISE_PC_SHIFT 27
308 #define CPER_ARM_ERR_PRECISE_PC_MASK GENMASK(0,0)
309 #define CPER_ARM_ERR_RESTARTABLE_PC_SHIFT 28
310 #define CPER_ARM_ERR_RESTARTABLE_PC_MASK GENMASK(0,0)
311 #define CPER_ARM_ERR_PARTICIPATION_TYPE_SHIFT 29
312 #define CPER_ARM_ERR_PARTICIPATION_TYPE_MASK GENMASK(1,0)
313 #define CPER_ARM_ERR_TIME_OUT_SHIFT 31
314 #define CPER_ARM_ERR_TIME_OUT_MASK GENMASK(0,0)
315 #define CPER_ARM_ERR_ADDRESS_SPACE_SHIFT 32
316 #define CPER_ARM_ERR_ADDRESS_SPACE_MASK GENMASK(1,0)
317 #define CPER_ARM_ERR_MEM_ATTRIBUTES_SHIFT 34
318 #define CPER_ARM_ERR_MEM_ATTRIBUTES_MASK GENMASK(8,0)
319 #define CPER_ARM_ERR_ACCESS_MODE_SHIFT 43
320 #define CPER_ARM_ERR_ACCESS_MODE_MASK GENMASK(0,0)
323 * All tables and structs must be byte-packed to match CPER
324 * specification, since the tables are provided by the system BIOS
328 struct cper_record_header
{
329 char signature
[CPER_SIG_SIZE
]; /* must be CPER_SIG_RECORD */
330 __u16 revision
; /* must be CPER_RECORD_REV */
331 __u32 signature_end
; /* must be CPER_SIG_END */
333 __u32 error_severity
;
334 __u32 validation_bits
;
340 guid_t notification_type
;
343 __u64 persistence_information
;
344 __u8 reserved
[12]; /* must be zero */
347 struct cper_section_descriptor
{
348 __u32 section_offset
; /* Offset in bytes of the
349 * section body from the base
350 * of the record header */
351 __u32 section_length
;
352 __u16 revision
; /* must be CPER_RECORD_REV */
353 __u8 validation_bits
;
354 __u8 reserved
; /* must be zero */
358 __u32 section_severity
;
362 /* Generic Processor Error Section */
363 struct cper_sec_proc_generic
{
364 __u64 validation_bits
;
367 __u8 proc_error_type
;
381 /* IA32/X64 Processor Error Section */
382 struct cper_sec_proc_ia
{
383 __u64 validation_bits
;
388 /* IA32/X64 Processor Error Information Structure */
389 struct cper_ia_err_info
{
391 __u64 validation_bits
;
399 /* IA32/X64 Processor Context Information Structure */
400 struct cper_ia_proc_ctx
{
407 /* ARM Processor Error Section */
408 struct cper_sec_proc_arm
{
409 __u32 validation_bits
;
410 __u16 err_info_num
; /* Number of Processor Error Info */
411 __u16 context_info_num
; /* Number of Processor Context Info Records*/
412 __u32 section_length
;
414 __u8 reserved
[3]; /* must be zero */
417 __u32 running_state
; /* Bit 0 set - Processor running. PSCI = 0 */
421 /* ARM Processor Error Information Structure */
422 struct cper_arm_err_info
{
425 __u16 validation_bits
;
427 __u16 multiple_error
;
430 __u64 virt_fault_addr
;
431 __u64 physical_fault_addr
;
434 /* ARM Processor Context Information Structure */
435 struct cper_arm_ctx_info
{
441 /* Old Memory Error Section UEFI 2.1, 2.2 */
442 struct cper_sec_mem_err_old
{
443 __u64 validation_bits
;
446 __u64 physical_addr_mask
;
461 /* Memory Error Section UEFI >= 2.3 */
462 struct cper_sec_mem_err
{
463 __u64 validation_bits
;
466 __u64 physical_addr_mask
;
481 __u16 mem_array_handle
; /* card handle in UEFI 2.4 */
482 __u16 mem_dev_handle
; /* module handle in UEFI 2.4 */
485 struct cper_mem_err_compact
{
486 __u64 validation_bits
;
499 __u16 mem_array_handle
;
500 __u16 mem_dev_handle
;
503 struct cper_sec_pcie
{
504 __u64 validation_bits
;
531 __u16 secondary_status
;
538 /* Reset to default packing */
541 extern const char * const cper_proc_error_type_strs
[4];
543 u64
cper_next_record_id(void);
544 const char *cper_severity_str(unsigned int);
545 const char *cper_mem_err_type_str(unsigned int);
546 void cper_print_bits(const char *prefix
, unsigned int bits
,
547 const char * const strs
[], unsigned int strs_size
);
548 void cper_mem_err_pack(const struct cper_sec_mem_err
*,
549 struct cper_mem_err_compact
*);
550 const char *cper_mem_err_unpack(struct trace_seq
*,
551 struct cper_mem_err_compact
*);
552 void cper_print_proc_arm(const char *pfx
,
553 const struct cper_sec_proc_arm
*proc
);