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1 /*
2  * UEFI Common Platform Error Record
3  *
4  * Copyright (C) 2010, Intel Corp.
5  *      Author: Huang Ying <ying.huang@intel.com>
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 #include <linux/trace_seq.h>
26
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
32
33 /*
34  * CPER record header revision, used in revision field in struct
35  * cper_record_header
36  */
37 #define CPER_RECORD_REV                         0x0100
38
39 /*
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.
44  */
45 #define CPER_REC_LEN                                    256
46 /*
47  * Severity difinition for error_severity in struct cper_record_header
48  * and section_severity in struct cper_section_descriptor
49  */
50 enum {
51         CPER_SEV_RECOVERABLE,
52         CPER_SEV_FATAL,
53         CPER_SEV_CORRECTED,
54         CPER_SEV_INFORMATIONAL,
55 };
56
57 /*
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.
61  *
62  * corresponds platform_id
63  */
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
69
70 /*
71  * Notification type used to generate error record, used in
72  * notification_type in struct cper_record_header
73  *
74  * Corrected Machine Check
75  */
76 #define CPER_NOTIFY_CMC                                                 \
77         UUID_LE(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4,     \
78                 0xEB, 0xD4, 0xF8, 0x90)
79 /* Corrected Platform Error */
80 #define CPER_NOTIFY_CPE                                                 \
81         UUID_LE(0x4E292F96, 0xD843, 0x4a55, 0xA8, 0xC2, 0xD4, 0x81,     \
82                 0xF2, 0x7E, 0xBE, 0xEE)
83 /* Machine Check Exception */
84 #define CPER_NOTIFY_MCE                                                 \
85         UUID_LE(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB,     \
86                 0xE1, 0x49, 0x13, 0xBB)
87 /* PCI Express Error */
88 #define CPER_NOTIFY_PCIE                                                \
89         UUID_LE(0xCF93C01F, 0x1A16, 0x4dfc, 0xB8, 0xBC, 0x9C, 0x4D,     \
90                 0xAF, 0x67, 0xC1, 0x04)
91 /* INIT Record (for IPF) */
92 #define CPER_NOTIFY_INIT                                                \
93         UUID_LE(0xCC5263E8, 0x9308, 0x454a, 0x89, 0xD0, 0x34, 0x0B,     \
94                 0xD3, 0x9B, 0xC9, 0x8E)
95 /* Non-Maskable Interrupt */
96 #define CPER_NOTIFY_NMI                                                 \
97         UUID_LE(0x5BAD89FF, 0xB7E6, 0x42c9, 0x81, 0x4A, 0xCF, 0x24,     \
98                 0x85, 0xD6, 0xE9, 0x8A)
99 /* BOOT Error Record */
100 #define CPER_NOTIFY_BOOT                                                \
101         UUID_LE(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62,     \
102                 0xD4, 0x64, 0xB3, 0x8F)
103 /* DMA Remapping Error */
104 #define CPER_NOTIFY_DMAR                                                \
105         UUID_LE(0x667DD791, 0xC6B3, 0x4c27, 0x8A, 0x6B, 0x0F, 0x8E,     \
106                 0x72, 0x2D, 0xEB, 0x41)
107
108 /*
109  * Flags bits definitions for flags in struct cper_record_header
110  * If set, the error has been recovered
111  */
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
117
118 /*
119  * CPER section header revision, used in revision field in struct
120  * cper_section_descriptor
121  */
122 #define CPER_SEC_REV                            0x0100
123
124 /*
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.
128  *
129  * corresponds fru_id
130  */
131 #define CPER_SEC_VALID_FRU_ID                   0x1
132 /* corresponds fru_text */
133 #define CPER_SEC_VALID_FRU_TEXT                 0x2
134
135 /*
136  * Flags bits definitions for flags in struct cper_section_descriptor
137  *
138  * If set, the section is associated with the error condition
139  * directly, and should be focused on
140  */
141 #define CPER_SEC_PRIMARY                        0x0001
142 /*
143  * If set, the error was not contained within the processor or memory
144  * hierarchy and the error may have propagated to persistent storage
145  * or network
146  */
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
152 /*
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
156  */
157 #define CPER_SEC_RESOURCE_NOT_ACCESSIBLE        0x0010
158 /*
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
163  */
164 #define CPER_SEC_LATENT_ERROR                   0x0020
165
166 /*
167  * Section type definitions, used in section_type field in struct
168  * cper_section_descriptor
169  *
170  * Processor Generic
171  */
172 #define CPER_SEC_PROC_GENERIC                                           \
173         UUID_LE(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         UUID_LE(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA,     \
178                 0x24, 0x2B, 0x6E, 0x1D)
179 /* Processor Specific: IA64 */
180 #define CPER_SEC_PROC_IPF                                               \
181         UUID_LE(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00,     \
182                 0x80, 0xC7, 0x3C, 0x88, 0x81)
183 /* Platform Memory */
184 #define CPER_SEC_PLATFORM_MEM                                           \
185         UUID_LE(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83,     \
186                 0xED, 0x7C, 0x83, 0xB1)
187 #define CPER_SEC_PCIE                                                   \
188         UUID_LE(0xD995E954, 0xBBC1, 0x430F, 0xAD, 0x91, 0xB4, 0x4D,     \
189                 0xCB, 0x3C, 0x6F, 0x35)
190 /* Firmware Error Record Reference */
191 #define CPER_SEC_FW_ERR_REC_REF                                         \
192         UUID_LE(0x81212A96, 0x09ED, 0x4996, 0x94, 0x71, 0x8D, 0x72,     \
193                 0x9C, 0x8E, 0x69, 0xED)
194 /* PCI/PCI-X Bus */
195 #define CPER_SEC_PCI_X_BUS                                              \
196         UUID_LE(0xC5753963, 0x3B84, 0x4095, 0xBF, 0x78, 0xED, 0xDA,     \
197                 0xD3, 0xF9, 0xC9, 0xDD)
198 /* PCI Component/Device */
199 #define CPER_SEC_PCI_DEV                                                \
200         UUID_LE(0xEB5E4685, 0xCA66, 0x4769, 0xB6, 0xA2, 0x26, 0x06,     \
201                 0x8B, 0x00, 0x13, 0x26)
202 #define CPER_SEC_DMAR_GENERIC                                           \
203         UUID_LE(0x5B51FEF7, 0xC79D, 0x4434, 0x8F, 0x1B, 0xAA, 0x62,     \
204                 0xDE, 0x3E, 0x2C, 0x64)
205 /* Intel VT for Directed I/O specific DMAr */
206 #define CPER_SEC_DMAR_VT                                                \
207         UUID_LE(0x71761D37, 0x32B2, 0x45cd, 0xA7, 0xD0, 0xB0, 0xFE,     \
208                 0xDD, 0x93, 0xE8, 0xCF)
209 /* IOMMU specific DMAr */
210 #define CPER_SEC_DMAR_IOMMU                                             \
211         UUID_LE(0x036F84E1, 0x7F37, 0x428c, 0xA7, 0x9E, 0x57, 0x5F,     \
212                 0xDF, 0xAA, 0x84, 0xEC)
213
214 #define CPER_PROC_VALID_TYPE                    0x0001
215 #define CPER_PROC_VALID_ISA                     0x0002
216 #define CPER_PROC_VALID_ERROR_TYPE              0x0004
217 #define CPER_PROC_VALID_OPERATION               0x0008
218 #define CPER_PROC_VALID_FLAGS                   0x0010
219 #define CPER_PROC_VALID_LEVEL                   0x0020
220 #define CPER_PROC_VALID_VERSION                 0x0040
221 #define CPER_PROC_VALID_BRAND_INFO              0x0080
222 #define CPER_PROC_VALID_ID                      0x0100
223 #define CPER_PROC_VALID_TARGET_ADDRESS          0x0200
224 #define CPER_PROC_VALID_REQUESTOR_ID            0x0400
225 #define CPER_PROC_VALID_RESPONDER_ID            0x0800
226 #define CPER_PROC_VALID_IP                      0x1000
227
228 #define CPER_MEM_VALID_ERROR_STATUS             0x0001
229 #define CPER_MEM_VALID_PA                       0x0002
230 #define CPER_MEM_VALID_PA_MASK                  0x0004
231 #define CPER_MEM_VALID_NODE                     0x0008
232 #define CPER_MEM_VALID_CARD                     0x0010
233 #define CPER_MEM_VALID_MODULE                   0x0020
234 #define CPER_MEM_VALID_BANK                     0x0040
235 #define CPER_MEM_VALID_DEVICE                   0x0080
236 #define CPER_MEM_VALID_ROW                      0x0100
237 #define CPER_MEM_VALID_COLUMN                   0x0200
238 #define CPER_MEM_VALID_BIT_POSITION             0x0400
239 #define CPER_MEM_VALID_REQUESTOR_ID             0x0800
240 #define CPER_MEM_VALID_RESPONDER_ID             0x1000
241 #define CPER_MEM_VALID_TARGET_ID                0x2000
242 #define CPER_MEM_VALID_ERROR_TYPE               0x4000
243 #define CPER_MEM_VALID_RANK_NUMBER              0x8000
244 #define CPER_MEM_VALID_CARD_HANDLE              0x10000
245 #define CPER_MEM_VALID_MODULE_HANDLE            0x20000
246
247 #define CPER_PCIE_VALID_PORT_TYPE               0x0001
248 #define CPER_PCIE_VALID_VERSION                 0x0002
249 #define CPER_PCIE_VALID_COMMAND_STATUS          0x0004
250 #define CPER_PCIE_VALID_DEVICE_ID               0x0008
251 #define CPER_PCIE_VALID_SERIAL_NUMBER           0x0010
252 #define CPER_PCIE_VALID_BRIDGE_CONTROL_STATUS   0x0020
253 #define CPER_PCIE_VALID_CAPABILITY              0x0040
254 #define CPER_PCIE_VALID_AER_INFO                0x0080
255
256 #define CPER_PCIE_SLOT_SHIFT                    3
257
258 /*
259  * All tables and structs must be byte-packed to match CPER
260  * specification, since the tables are provided by the system BIOS
261  */
262 #pragma pack(1)
263
264 struct cper_record_header {
265         char    signature[CPER_SIG_SIZE];       /* must be CPER_SIG_RECORD */
266         __u16   revision;                       /* must be CPER_RECORD_REV */
267         __u32   signature_end;                  /* must be CPER_SIG_END */
268         __u16   section_count;
269         __u32   error_severity;
270         __u32   validation_bits;
271         __u32   record_length;
272         __u64   timestamp;
273         uuid_le platform_id;
274         uuid_le partition_id;
275         uuid_le creator_id;
276         uuid_le notification_type;
277         __u64   record_id;
278         __u32   flags;
279         __u64   persistence_information;
280         __u8    reserved[12];                   /* must be zero */
281 };
282
283 struct cper_section_descriptor {
284         __u32   section_offset;         /* Offset in bytes of the
285                                          *  section body from the base
286                                          *  of the record header */
287         __u32   section_length;
288         __u16   revision;               /* must be CPER_RECORD_REV */
289         __u8    validation_bits;
290         __u8    reserved;               /* must be zero */
291         __u32   flags;
292         uuid_le section_type;
293         uuid_le fru_id;
294         __u32   section_severity;
295         __u8    fru_text[20];
296 };
297
298 /* Generic Processor Error Section */
299 struct cper_sec_proc_generic {
300         __u64   validation_bits;
301         __u8    proc_type;
302         __u8    proc_isa;
303         __u8    proc_error_type;
304         __u8    operation;
305         __u8    flags;
306         __u8    level;
307         __u16   reserved;
308         __u64   cpu_version;
309         char    cpu_brand[128];
310         __u64   proc_id;
311         __u64   target_addr;
312         __u64   requestor_id;
313         __u64   responder_id;
314         __u64   ip;
315 };
316
317 /* IA32/X64 Processor Error Section */
318 struct cper_sec_proc_ia {
319         __u64   validation_bits;
320         __u8    lapic_id;
321         __u8    cpuid[48];
322 };
323
324 /* IA32/X64 Processor Error Information Structure */
325 struct cper_ia_err_info {
326         uuid_le err_type;
327         __u64   validation_bits;
328         __u64   check_info;
329         __u64   target_id;
330         __u64   requestor_id;
331         __u64   responder_id;
332         __u64   ip;
333 };
334
335 /* IA32/X64 Processor Context Information Structure */
336 struct cper_ia_proc_ctx {
337         __u16   reg_ctx_type;
338         __u16   reg_arr_size;
339         __u32   msr_addr;
340         __u64   mm_reg_addr;
341 };
342
343 /* Old Memory Error Section UEFI 2.1, 2.2 */
344 struct cper_sec_mem_err_old {
345         __u64   validation_bits;
346         __u64   error_status;
347         __u64   physical_addr;
348         __u64   physical_addr_mask;
349         __u16   node;
350         __u16   card;
351         __u16   module;
352         __u16   bank;
353         __u16   device;
354         __u16   row;
355         __u16   column;
356         __u16   bit_pos;
357         __u64   requestor_id;
358         __u64   responder_id;
359         __u64   target_id;
360         __u8    error_type;
361 };
362
363 /* Memory Error Section UEFI >= 2.3 */
364 struct cper_sec_mem_err {
365         __u64   validation_bits;
366         __u64   error_status;
367         __u64   physical_addr;
368         __u64   physical_addr_mask;
369         __u16   node;
370         __u16   card;
371         __u16   module;
372         __u16   bank;
373         __u16   device;
374         __u16   row;
375         __u16   column;
376         __u16   bit_pos;
377         __u64   requestor_id;
378         __u64   responder_id;
379         __u64   target_id;
380         __u8    error_type;
381         __u8    reserved;
382         __u16   rank;
383         __u16   mem_array_handle;       /* card handle in UEFI 2.4 */
384         __u16   mem_dev_handle;         /* module handle in UEFI 2.4 */
385 };
386
387 struct cper_mem_err_compact {
388         __u64   validation_bits;
389         __u16   node;
390         __u16   card;
391         __u16   module;
392         __u16   bank;
393         __u16   device;
394         __u16   row;
395         __u16   column;
396         __u16   bit_pos;
397         __u64   requestor_id;
398         __u64   responder_id;
399         __u64   target_id;
400         __u16   rank;
401         __u16   mem_array_handle;
402         __u16   mem_dev_handle;
403 };
404
405 struct cper_sec_pcie {
406         __u64           validation_bits;
407         __u32           port_type;
408         struct {
409                 __u8    minor;
410                 __u8    major;
411                 __u8    reserved[2];
412         }               version;
413         __u16           command;
414         __u16           status;
415         __u32           reserved;
416         struct {
417                 __u16   vendor_id;
418                 __u16   device_id;
419                 __u8    class_code[3];
420                 __u8    function;
421                 __u8    device;
422                 __u16   segment;
423                 __u8    bus;
424                 __u8    secondary_bus;
425                 __u16   slot;
426                 __u8    reserved;
427         }               device_id;
428         struct {
429                 __u32   lower;
430                 __u32   upper;
431         }               serial_number;
432         struct {
433                 __u16   secondary_status;
434                 __u16   control;
435         }               bridge;
436         __u8    capability[60];
437         __u8    aer_info[96];
438 };
439
440 /* Reset to default packing */
441 #pragma pack()
442
443 u64 cper_next_record_id(void);
444 const char *cper_severity_str(unsigned int);
445 const char *cper_mem_err_type_str(unsigned int);
446 void cper_print_bits(const char *prefix, unsigned int bits,
447                      const char * const strs[], unsigned int strs_size);
448 void cper_mem_err_pack(const struct cper_sec_mem_err *,
449                        struct cper_mem_err_compact *);
450 const char *cper_mem_err_unpack(struct trace_seq *,
451                                 struct cper_mem_err_compact *);
452
453 #endif