diff options
Diffstat (limited to 'drivers/acpi/apei/cper.c')
-rw-r--r-- | drivers/acpi/apei/cper.c | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c index f4cf2fc4c8c1..31464a006d76 100644 --- a/drivers/acpi/apei/cper.c +++ b/drivers/acpi/apei/cper.c | |||
@@ -46,6 +46,317 @@ u64 cper_next_record_id(void) | |||
46 | } | 46 | } |
47 | EXPORT_SYMBOL_GPL(cper_next_record_id); | 47 | EXPORT_SYMBOL_GPL(cper_next_record_id); |
48 | 48 | ||
49 | static const char *cper_severity_strs[] = { | ||
50 | "recoverable", | ||
51 | "fatal", | ||
52 | "corrected", | ||
53 | "info", | ||
54 | }; | ||
55 | |||
56 | static const char *cper_severity_str(unsigned int severity) | ||
57 | { | ||
58 | return severity < ARRAY_SIZE(cper_severity_strs) ? | ||
59 | cper_severity_strs[severity] : "unknown"; | ||
60 | } | ||
61 | |||
62 | /* | ||
63 | * cper_print_bits - print strings for set bits | ||
64 | * @pfx: prefix for each line, including log level and prefix string | ||
65 | * @bits: bit mask | ||
66 | * @strs: string array, indexed by bit position | ||
67 | * @strs_size: size of the string array: @strs | ||
68 | * | ||
69 | * For each set bit in @bits, print the corresponding string in @strs. | ||
70 | * If the output length is longer than 80, multiple line will be | ||
71 | * printed, with @pfx is printed at the beginning of each line. | ||
72 | */ | ||
73 | static void cper_print_bits(const char *pfx, unsigned int bits, | ||
74 | const char *strs[], unsigned int strs_size) | ||
75 | { | ||
76 | int i, len = 0; | ||
77 | const char *str; | ||
78 | char buf[84]; | ||
79 | |||
80 | for (i = 0; i < strs_size; i++) { | ||
81 | if (!(bits & (1U << i))) | ||
82 | continue; | ||
83 | str = strs[i]; | ||
84 | if (len && len + strlen(str) + 2 > 80) { | ||
85 | printk("%s\n", buf); | ||
86 | len = 0; | ||
87 | } | ||
88 | if (!len) | ||
89 | len = snprintf(buf, sizeof(buf), "%s%s", pfx, str); | ||
90 | else | ||
91 | len += snprintf(buf+len, sizeof(buf)-len, ", %s", str); | ||
92 | } | ||
93 | if (len) | ||
94 | printk("%s\n", buf); | ||
95 | } | ||
96 | |||
97 | static const char *cper_proc_type_strs[] = { | ||
98 | "IA32/X64", | ||
99 | "IA64", | ||
100 | }; | ||
101 | |||
102 | static const char *cper_proc_isa_strs[] = { | ||
103 | "IA32", | ||
104 | "IA64", | ||
105 | "X64", | ||
106 | }; | ||
107 | |||
108 | static const char *cper_proc_error_type_strs[] = { | ||
109 | "cache error", | ||
110 | "TLB error", | ||
111 | "bus error", | ||
112 | "micro-architectural error", | ||
113 | }; | ||
114 | |||
115 | static const char *cper_proc_op_strs[] = { | ||
116 | "unknown or generic", | ||
117 | "data read", | ||
118 | "data write", | ||
119 | "instruction execution", | ||
120 | }; | ||
121 | |||
122 | static const char *cper_proc_flag_strs[] = { | ||
123 | "restartable", | ||
124 | "precise IP", | ||
125 | "overflow", | ||
126 | "corrected", | ||
127 | }; | ||
128 | |||
129 | static void cper_print_proc_generic(const char *pfx, | ||
130 | const struct cper_sec_proc_generic *proc) | ||
131 | { | ||
132 | if (proc->validation_bits & CPER_PROC_VALID_TYPE) | ||
133 | printk("%s""processor_type: %d, %s\n", pfx, proc->proc_type, | ||
134 | proc->proc_type < ARRAY_SIZE(cper_proc_type_strs) ? | ||
135 | cper_proc_type_strs[proc->proc_type] : "unknown"); | ||
136 | if (proc->validation_bits & CPER_PROC_VALID_ISA) | ||
137 | printk("%s""processor_isa: %d, %s\n", pfx, proc->proc_isa, | ||
138 | proc->proc_isa < ARRAY_SIZE(cper_proc_isa_strs) ? | ||
139 | cper_proc_isa_strs[proc->proc_isa] : "unknown"); | ||
140 | if (proc->validation_bits & CPER_PROC_VALID_ERROR_TYPE) { | ||
141 | printk("%s""error_type: 0x%02x\n", pfx, proc->proc_error_type); | ||
142 | cper_print_bits(pfx, proc->proc_error_type, | ||
143 | cper_proc_error_type_strs, | ||
144 | ARRAY_SIZE(cper_proc_error_type_strs)); | ||
145 | } | ||
146 | if (proc->validation_bits & CPER_PROC_VALID_OPERATION) | ||
147 | printk("%s""operation: %d, %s\n", pfx, proc->operation, | ||
148 | proc->operation < ARRAY_SIZE(cper_proc_op_strs) ? | ||
149 | cper_proc_op_strs[proc->operation] : "unknown"); | ||
150 | if (proc->validation_bits & CPER_PROC_VALID_FLAGS) { | ||
151 | printk("%s""flags: 0x%02x\n", pfx, proc->flags); | ||
152 | cper_print_bits(pfx, proc->flags, cper_proc_flag_strs, | ||
153 | ARRAY_SIZE(cper_proc_flag_strs)); | ||
154 | } | ||
155 | if (proc->validation_bits & CPER_PROC_VALID_LEVEL) | ||
156 | printk("%s""level: %d\n", pfx, proc->level); | ||
157 | if (proc->validation_bits & CPER_PROC_VALID_VERSION) | ||
158 | printk("%s""version_info: 0x%016llx\n", pfx, proc->cpu_version); | ||
159 | if (proc->validation_bits & CPER_PROC_VALID_ID) | ||
160 | printk("%s""processor_id: 0x%016llx\n", pfx, proc->proc_id); | ||
161 | if (proc->validation_bits & CPER_PROC_VALID_TARGET_ADDRESS) | ||
162 | printk("%s""target_address: 0x%016llx\n", | ||
163 | pfx, proc->target_addr); | ||
164 | if (proc->validation_bits & CPER_PROC_VALID_REQUESTOR_ID) | ||
165 | printk("%s""requestor_id: 0x%016llx\n", | ||
166 | pfx, proc->requestor_id); | ||
167 | if (proc->validation_bits & CPER_PROC_VALID_RESPONDER_ID) | ||
168 | printk("%s""responder_id: 0x%016llx\n", | ||
169 | pfx, proc->responder_id); | ||
170 | if (proc->validation_bits & CPER_PROC_VALID_IP) | ||
171 | printk("%s""IP: 0x%016llx\n", pfx, proc->ip); | ||
172 | } | ||
173 | |||
174 | static const char *cper_mem_err_type_strs[] = { | ||
175 | "unknown", | ||
176 | "no error", | ||
177 | "single-bit ECC", | ||
178 | "multi-bit ECC", | ||
179 | "single-symbol chipkill ECC", | ||
180 | "multi-symbol chipkill ECC", | ||
181 | "master abort", | ||
182 | "target abort", | ||
183 | "parity error", | ||
184 | "watchdog timeout", | ||
185 | "invalid address", | ||
186 | "mirror Broken", | ||
187 | "memory sparing", | ||
188 | "scrub corrected error", | ||
189 | "scrub uncorrected error", | ||
190 | }; | ||
191 | |||
192 | static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem) | ||
193 | { | ||
194 | if (mem->validation_bits & CPER_MEM_VALID_ERROR_STATUS) | ||
195 | printk("%s""error_status: 0x%016llx\n", pfx, mem->error_status); | ||
196 | if (mem->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) | ||
197 | printk("%s""physical_address: 0x%016llx\n", | ||
198 | pfx, mem->physical_addr); | ||
199 | if (mem->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS_MASK) | ||
200 | printk("%s""physical_address_mask: 0x%016llx\n", | ||
201 | pfx, mem->physical_addr_mask); | ||
202 | if (mem->validation_bits & CPER_MEM_VALID_NODE) | ||
203 | printk("%s""node: %d\n", pfx, mem->node); | ||
204 | if (mem->validation_bits & CPER_MEM_VALID_CARD) | ||
205 | printk("%s""card: %d\n", pfx, mem->card); | ||
206 | if (mem->validation_bits & CPER_MEM_VALID_MODULE) | ||
207 | printk("%s""module: %d\n", pfx, mem->module); | ||
208 | if (mem->validation_bits & CPER_MEM_VALID_BANK) | ||
209 | printk("%s""bank: %d\n", pfx, mem->bank); | ||
210 | if (mem->validation_bits & CPER_MEM_VALID_DEVICE) | ||
211 | printk("%s""device: %d\n", pfx, mem->device); | ||
212 | if (mem->validation_bits & CPER_MEM_VALID_ROW) | ||
213 | printk("%s""row: %d\n", pfx, mem->row); | ||
214 | if (mem->validation_bits & CPER_MEM_VALID_COLUMN) | ||
215 | printk("%s""column: %d\n", pfx, mem->column); | ||
216 | if (mem->validation_bits & CPER_MEM_VALID_BIT_POSITION) | ||
217 | printk("%s""bit_position: %d\n", pfx, mem->bit_pos); | ||
218 | if (mem->validation_bits & CPER_MEM_VALID_REQUESTOR_ID) | ||
219 | printk("%s""requestor_id: 0x%016llx\n", pfx, mem->requestor_id); | ||
220 | if (mem->validation_bits & CPER_MEM_VALID_RESPONDER_ID) | ||
221 | printk("%s""responder_id: 0x%016llx\n", pfx, mem->responder_id); | ||
222 | if (mem->validation_bits & CPER_MEM_VALID_TARGET_ID) | ||
223 | printk("%s""target_id: 0x%016llx\n", pfx, mem->target_id); | ||
224 | if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE) { | ||
225 | u8 etype = mem->error_type; | ||
226 | printk("%s""error_type: %d, %s\n", pfx, etype, | ||
227 | etype < ARRAY_SIZE(cper_mem_err_type_strs) ? | ||
228 | cper_mem_err_type_strs[etype] : "unknown"); | ||
229 | } | ||
230 | } | ||
231 | |||
232 | static const char *cper_pcie_port_type_strs[] = { | ||
233 | "PCIe end point", | ||
234 | "legacy PCI end point", | ||
235 | "unknown", | ||
236 | "unknown", | ||
237 | "root port", | ||
238 | "upstream switch port", | ||
239 | "downstream switch port", | ||
240 | "PCIe to PCI/PCI-X bridge", | ||
241 | "PCI/PCI-X to PCIe bridge", | ||
242 | "root complex integrated endpoint device", | ||
243 | "root complex event collector", | ||
244 | }; | ||
245 | |||
246 | static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie) | ||
247 | { | ||
248 | if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE) | ||
249 | printk("%s""port_type: %d, %s\n", pfx, pcie->port_type, | ||
250 | pcie->port_type < ARRAY_SIZE(cper_pcie_port_type_strs) ? | ||
251 | cper_pcie_port_type_strs[pcie->port_type] : "unknown"); | ||
252 | if (pcie->validation_bits & CPER_PCIE_VALID_VERSION) | ||
253 | printk("%s""version: %d.%d\n", pfx, | ||
254 | pcie->version.major, pcie->version.minor); | ||
255 | if (pcie->validation_bits & CPER_PCIE_VALID_COMMAND_STATUS) | ||
256 | printk("%s""command: 0x%04x, status: 0x%04x\n", pfx, | ||
257 | pcie->command, pcie->status); | ||
258 | if (pcie->validation_bits & CPER_PCIE_VALID_DEVICE_ID) { | ||
259 | const __u8 *p; | ||
260 | printk("%s""device_id: %04x:%02x:%02x.%x\n", pfx, | ||
261 | pcie->device_id.segment, pcie->device_id.bus, | ||
262 | pcie->device_id.device, pcie->device_id.function); | ||
263 | printk("%s""slot: %d\n", pfx, | ||
264 | pcie->device_id.slot >> CPER_PCIE_SLOT_SHIFT); | ||
265 | printk("%s""secondary_bus: 0x%02x\n", pfx, | ||
266 | pcie->device_id.secondary_bus); | ||
267 | printk("%s""vendor_id: 0x%04x, device_id: 0x%04x\n", pfx, | ||
268 | pcie->device_id.vendor_id, pcie->device_id.device_id); | ||
269 | p = pcie->device_id.class_code; | ||
270 | printk("%s""class_code: %02x%02x%02x\n", pfx, p[0], p[1], p[2]); | ||
271 | } | ||
272 | if (pcie->validation_bits & CPER_PCIE_VALID_SERIAL_NUMBER) | ||
273 | printk("%s""serial number: 0x%04x, 0x%04x\n", pfx, | ||
274 | pcie->serial_number.lower, pcie->serial_number.upper); | ||
275 | if (pcie->validation_bits & CPER_PCIE_VALID_BRIDGE_CONTROL_STATUS) | ||
276 | printk( | ||
277 | "%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n", | ||
278 | pfx, pcie->bridge.secondary_status, pcie->bridge.control); | ||
279 | } | ||
280 | |||
281 | static const char *apei_estatus_section_flag_strs[] = { | ||
282 | "primary", | ||
283 | "containment warning", | ||
284 | "reset", | ||
285 | "threshold exceeded", | ||
286 | "resource not accessible", | ||
287 | "latent error", | ||
288 | }; | ||
289 | |||
290 | static void apei_estatus_print_section( | ||
291 | const char *pfx, const struct acpi_hest_generic_data *gdata, int sec_no) | ||
292 | { | ||
293 | uuid_le *sec_type = (uuid_le *)gdata->section_type; | ||
294 | __u16 severity; | ||
295 | |||
296 | severity = gdata->error_severity; | ||
297 | printk("%s""section: %d, severity: %d, %s\n", pfx, sec_no, severity, | ||
298 | cper_severity_str(severity)); | ||
299 | printk("%s""flags: 0x%02x\n", pfx, gdata->flags); | ||
300 | cper_print_bits(pfx, gdata->flags, apei_estatus_section_flag_strs, | ||
301 | ARRAY_SIZE(apei_estatus_section_flag_strs)); | ||
302 | if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID) | ||
303 | printk("%s""fru_id: %pUl\n", pfx, (uuid_le *)gdata->fru_id); | ||
304 | if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT) | ||
305 | printk("%s""fru_text: %.20s\n", pfx, gdata->fru_text); | ||
306 | |||
307 | if (!uuid_le_cmp(*sec_type, CPER_SEC_PROC_GENERIC)) { | ||
308 | struct cper_sec_proc_generic *proc_err = (void *)(gdata + 1); | ||
309 | printk("%s""section_type: general processor error\n", pfx); | ||
310 | if (gdata->error_data_length >= sizeof(*proc_err)) | ||
311 | cper_print_proc_generic(pfx, proc_err); | ||
312 | else | ||
313 | goto err_section_too_small; | ||
314 | } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) { | ||
315 | struct cper_sec_mem_err *mem_err = (void *)(gdata + 1); | ||
316 | printk("%s""section_type: memory error\n", pfx); | ||
317 | if (gdata->error_data_length >= sizeof(*mem_err)) | ||
318 | cper_print_mem(pfx, mem_err); | ||
319 | else | ||
320 | goto err_section_too_small; | ||
321 | } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PCIE)) { | ||
322 | struct cper_sec_pcie *pcie = (void *)(gdata + 1); | ||
323 | printk("%s""section_type: PCIe error\n", pfx); | ||
324 | if (gdata->error_data_length >= sizeof(*pcie)) | ||
325 | cper_print_pcie(pfx, pcie); | ||
326 | else | ||
327 | goto err_section_too_small; | ||
328 | } else | ||
329 | printk("%s""section type: unknown, %pUl\n", pfx, sec_type); | ||
330 | |||
331 | return; | ||
332 | |||
333 | err_section_too_small: | ||
334 | pr_err(FW_WARN "error section length is too small\n"); | ||
335 | } | ||
336 | |||
337 | void apei_estatus_print(const char *pfx, | ||
338 | const struct acpi_hest_generic_status *estatus) | ||
339 | { | ||
340 | struct acpi_hest_generic_data *gdata; | ||
341 | unsigned int data_len, gedata_len; | ||
342 | int sec_no = 0; | ||
343 | __u16 severity; | ||
344 | |||
345 | printk("%s""APEI generic hardware error status\n", pfx); | ||
346 | severity = estatus->error_severity; | ||
347 | printk("%s""severity: %d, %s\n", pfx, severity, | ||
348 | cper_severity_str(severity)); | ||
349 | data_len = estatus->data_length; | ||
350 | gdata = (struct acpi_hest_generic_data *)(estatus + 1); | ||
351 | while (data_len > sizeof(*gdata)) { | ||
352 | gedata_len = gdata->error_data_length; | ||
353 | apei_estatus_print_section(pfx, gdata, sec_no); | ||
354 | data_len -= gedata_len + sizeof(*gdata); | ||
355 | sec_no++; | ||
356 | } | ||
357 | } | ||
358 | EXPORT_SYMBOL_GPL(apei_estatus_print); | ||
359 | |||
49 | int apei_estatus_check_header(const struct acpi_hest_generic_status *estatus) | 360 | int apei_estatus_check_header(const struct acpi_hest_generic_status *estatus) |
50 | { | 361 | { |
51 | if (estatus->data_length && | 362 | if (estatus->data_length && |