1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM ras
4 #define TRACE_INCLUDE_FILE ras_event
5
6 #if !defined(_TRACE_HW_EVENT_MC_H) || defined(TRACE_HEADER_MULTI_READ)
7 #define _TRACE_HW_EVENT_MC_H
8
9 #include <linux/tracepoint.h>
10 #include <linux/edac.h>
11 #include <linux/ktime.h>
12 #include <linux/pci.h>
13 #include <linux/aer.h>
14 #include <linux/cper.h>
15 #include <linux/mm.h>
16
17 /*
18 * MCE Extended Error Log trace event
19 *
20 * These events are generated when hardware detects a corrected or
21 * uncorrected event.
22 */
23
24 /* memory trace event */
25
26 #if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)
27 TRACE_EVENT(extlog_mem_event,
28 TP_PROTO(struct cper_sec_mem_err *mem,
29 u32 err_seq,
30 const guid_t *fru_id,
31 const char *fru_text,
32 u8 sev),
33
34 TP_ARGS(mem, err_seq, fru_id, fru_text, sev),
35
36 TP_STRUCT__entry(
37 __field(u32, err_seq)
38 __field(u8, etype)
39 __field(u8, sev)
40 __field(u64, pa)
41 __field(u8, pa_mask_lsb)
42 __field_struct(guid_t, fru_id)
43 __string(fru_text, fru_text)
44 __field_struct(struct cper_mem_err_compact, data)
45 ),
46
47 TP_fast_assign(
48 __entry->err_seq = err_seq;
49 if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE)
50 __entry->etype = mem->error_type;
51 else
52 __entry->etype = ~0;
53 __entry->sev = sev;
54 if (mem->validation_bits & CPER_MEM_VALID_PA)
55 __entry->pa = mem->physical_addr;
56 else
57 __entry->pa = ~0ull;
58
59 if (mem->validation_bits & CPER_MEM_VALID_PA_MASK)
60 __entry->pa_mask_lsb = (u8)__ffs64(mem->physical_addr_mask);
61 else
62 __entry->pa_mask_lsb = ~0;
63 __entry->fru_id = *fru_id;
64 __assign_str(fru_text);
65 cper_mem_err_pack(mem, &__entry->data);
66 ),
67
68 TP_printk("{%d} %s error: %s physical addr: %016llx (mask lsb: %x) %sFRU: %pUl %.20s",
69 __entry->err_seq,
70 cper_severity_str(__entry->sev),
71 cper_mem_err_type_str(__entry->etype),
72 __entry->pa,
73 __entry->pa_mask_lsb,
74 cper_mem_err_unpack(p, &__entry->data),
75 &__entry->fru_id,
76 __get_str(fru_text))
77 );
78 #endif
79
80 /*
81 * Hardware Events Report
82 *
83 * Those events are generated when hardware detected a corrected or
84 * uncorrected event, and are meant to replace the current API to report
85 * errors defined on both EDAC and MCE subsystems.
86 *
87 * FIXME: Add events for handling memory errors originated from the
88 * MCE subsystem.
89 */
90
91 /*
92 * Hardware-independent Memory Controller specific events
93 */
94
95 /*
96 * Default error mechanisms for Memory Controller errors (CE and UE)
97 */
98 TRACE_EVENT(mc_event,
99
100 TP_PROTO(const unsigned int err_type,
101 const char *error_msg,
102 const char *label,
103 const int error_count,
104 const u8 mc_index,
105 const s8 top_layer,
106 const s8 mid_layer,
107 const s8 low_layer,
108 unsigned long address,
109 const u8 grain_bits,
110 unsigned long syndrome,
111 const char *driver_detail),
112
113 TP_ARGS(err_type, error_msg, label, error_count, mc_index,
114 top_layer, mid_layer, low_layer, address, grain_bits,
115 syndrome, driver_detail),
116
117 TP_STRUCT__entry(
118 __field( unsigned int, error_type )
119 __string( msg, error_msg )
120 __string( label, label )
121 __field( u16, error_count )
122 __field( u8, mc_index )
123 __field( s8, top_layer )
124 __field( s8, middle_layer )
125 __field( s8, lower_layer )
126 __field( long, address )
127 __field( u8, grain_bits )
128 __field( long, syndrome )
129 __string( driver_detail, driver_detail )
130 ),
131
132 TP_fast_assign(
133 __entry->error_type = err_type;
134 __assign_str(msg);
135 __assign_str(label);
136 __entry->error_count = error_count;
137 __entry->mc_index = mc_index;
138 __entry->top_layer = top_layer;
139 __entry->middle_layer = mid_layer;
140 __entry->lower_layer = low_layer;
141 __entry->address = address;
142 __entry->grain_bits = grain_bits;
143 __entry->syndrome = syndrome;
144 __assign_str(driver_detail);
145 ),
146
147 TP_printk("%d %s error%s:%s%s on %s (mc:%d location:%d:%d:%d address:0x%08lx grain:%d syndrome:0x%08lx%s%s)",
148 __entry->error_count,
149 mc_event_error_type(__entry->error_type),
150 __entry->error_count > 1 ? "s" : "",
151 __get_str(msg)[0] ? " " : "",
152 __get_str(msg),
153 __get_str(label),
154 __entry->mc_index,
155 __entry->top_layer,
156 __entry->middle_layer,
157 __entry->lower_layer,
158 __entry->address,
159 1 << __entry->grain_bits,
160 __entry->syndrome,
161 __get_str(driver_detail)[0] ? " " : "",
162 __get_str(driver_detail))
163 );
164
165 /*
166 * ARM Processor Events Report
167 *
168 * This event is generated when hardware detects an ARM processor error
169 * has occurred. UEFI 2.6 spec section N.2.4.4.
170 */
171 TRACE_EVENT(arm_event,
172
173 TP_PROTO(const struct cper_sec_proc_arm *proc),
174
175 TP_ARGS(proc),
176
177 TP_STRUCT__entry(
178 __field(u64, mpidr)
179 __field(u64, midr)
180 __field(u32, running_state)
181 __field(u32, psci_state)
182 __field(u8, affinity)
183 ),
184
185 TP_fast_assign(
186 if (proc->validation_bits & CPER_ARM_VALID_AFFINITY_LEVEL)
187 __entry->affinity = proc->affinity_level;
188 else
189 __entry->affinity = ~0;
190 if (proc->validation_bits & CPER_ARM_VALID_MPIDR)
191 __entry->mpidr = proc->mpidr;
192 else
193 __entry->mpidr = 0ULL;
194 __entry->midr = proc->midr;
195 if (proc->validation_bits & CPER_ARM_VALID_RUNNING_STATE) {
196 __entry->running_state = proc->running_state;
197 __entry->psci_state = proc->psci_state;
198 } else {
199 __entry->running_state = ~0;
200 __entry->psci_state = ~0;
201 }
202 ),
203
204 TP_printk("affinity level: %d; MPIDR: %016llx; MIDR: %016llx; "
205 "running state: %d; PSCI state: %d",
206 __entry->affinity, __entry->mpidr, __entry->midr,
207 __entry->running_state, __entry->psci_state)
208 );
209
210 /*
211 * Non-Standard Section Report
212 *
213 * This event is generated when hardware detected a hardware
214 * error event, which may be of non-standard section as defined
215 * in UEFI spec appendix "Common Platform Error Record", or may
216 * be of sections for which TRACE_EVENT is not defined.
217 *
218 */
219 TRACE_EVENT(non_standard_event,
220
221 TP_PROTO(const guid_t *sec_type,
222 const guid_t *fru_id,
223 const char *fru_text,
224 const u8 sev,
225 const u8 *err,
226 const u32 len),
227
228 TP_ARGS(sec_type, fru_id, fru_text, sev, err, len),
229
230 TP_STRUCT__entry(
231 __array(char, sec_type, UUID_SIZE)
232 __array(char, fru_id, UUID_SIZE)
233 __string(fru_text, fru_text)
234 __field(u8, sev)
235 __field(u32, len)
236 __dynamic_array(u8, buf, len)
237 ),
238
239 TP_fast_assign(
240 memcpy(__entry->sec_type, sec_type, UUID_SIZE);
241 memcpy(__entry->fru_id, fru_id, UUID_SIZE);
242 __assign_str(fru_text);
243 __entry->sev = sev;
244 __entry->len = len;
245 memcpy(__get_dynamic_array(buf), err, len);
246 ),
247
248 TP_printk("severity: %d; sec type:%pU; FRU: %pU %s; data len:%d; raw data:%s",
249 __entry->sev, __entry->sec_type,
250 __entry->fru_id, __get_str(fru_text),
251 __entry->len,
252 __print_hex(__get_dynamic_array(buf), __entry->len))
253 );
254
255 /*
256 * PCIe AER Trace event
257 *
258 * These events are generated when hardware detects a corrected or
259 * uncorrected event on a PCIe device. The event report has
260 * the following structure:
261 *
262 * char * dev_name - The name of the slot where the device resides
263 * ([domain:]bus:device.function).
264 * u32 status - Either the correctable or uncorrectable register
265 * indicating what error or errors have been seen
266 * u8 severity - error severity 0:NONFATAL 1:FATAL 2:CORRECTED
267 */
268
269 #define aer_correctable_errors \
270 {PCI_ERR_COR_RCVR, "Receiver Error"}, \
271 {PCI_ERR_COR_BAD_TLP, "Bad TLP"}, \
272 {PCI_ERR_COR_BAD_DLLP, "Bad DLLP"}, \
273 {PCI_ERR_COR_REP_ROLL, "RELAY_NUM Rollover"}, \
274 {PCI_ERR_COR_REP_TIMER, "Replay Timer Timeout"}, \
275 {PCI_ERR_COR_ADV_NFAT, "Advisory Non-Fatal Error"}, \
276 {PCI_ERR_COR_INTERNAL, "Corrected Internal Error"}, \
277 {PCI_ERR_COR_LOG_OVER, "Header Log Overflow"}
278
279 #define aer_uncorrectable_errors \
280 {PCI_ERR_UNC_UND, "Undefined"}, \
281 {PCI_ERR_UNC_DLP, "Data Link Protocol Error"}, \
282 {PCI_ERR_UNC_SURPDN, "Surprise Down Error"}, \
283 {PCI_ERR_UNC_POISON_TLP,"Poisoned TLP"}, \
284 {PCI_ERR_UNC_FCP, "Flow Control Protocol Error"}, \
285 {PCI_ERR_UNC_COMP_TIME, "Completion Timeout"}, \
286 {PCI_ERR_UNC_COMP_ABORT,"Completer Abort"}, \
287 {PCI_ERR_UNC_UNX_COMP, "Unexpected Completion"}, \
288 {PCI_ERR_UNC_RX_OVER, "Receiver Overflow"}, \
289 {PCI_ERR_UNC_MALF_TLP, "Malformed TLP"}, \
290 {PCI_ERR_UNC_ECRC, "ECRC Error"}, \
291 {PCI_ERR_UNC_UNSUP, "Unsupported Request Error"}, \
292 {PCI_ERR_UNC_ACSV, "ACS Violation"}, \
293 {PCI_ERR_UNC_INTN, "Uncorrectable Internal Error"},\
294 {PCI_ERR_UNC_MCBTLP, "MC Blocked TLP"}, \
295 {PCI_ERR_UNC_ATOMEG, "AtomicOp Egress Blocked"}, \
296 {PCI_ERR_UNC_TLPPRE, "TLP Prefix Blocked Error"}
297
298 TRACE_EVENT(aer_event,
299 TP_PROTO(const char *dev_name,
300 const u32 status,
301 const u8 severity,
302 const u8 tlp_header_valid,
303 struct pcie_tlp_log *tlp),
304
305 TP_ARGS(dev_name, status, severity, tlp_header_valid, tlp),
306
307 TP_STRUCT__entry(
308 __string( dev_name, dev_name )
309 __field( u32, status )
310 __field( u8, severity )
311 __field( u8, tlp_header_valid)
312 __array( u32, tlp_header, 4 )
313 ),
314
315 TP_fast_assign(
316 __assign_str(dev_name);
317 __entry->status = status;
318 __entry->severity = severity;
319 __entry->tlp_header_valid = tlp_header_valid;
320 if (tlp_header_valid) {
321 __entry->tlp_header[0] = tlp->dw[0];
322 __entry->tlp_header[1] = tlp->dw[1];
323 __entry->tlp_header[2] = tlp->dw[2];
324 __entry->tlp_header[3] = tlp->dw[3];
325 }
326 ),
327
328 TP_printk("%s PCIe Bus Error: severity=%s, %s, TLP Header=%s\n",
329 __get_str(dev_name),
330 __entry->severity == AER_CORRECTABLE ? "Corrected" :
331 __entry->severity == AER_FATAL ?
332 "Fatal" : "Uncorrected, non-fatal",
333 __entry->severity == AER_CORRECTABLE ?
334 __print_flags(__entry->status, "|", aer_correctable_errors) :
335 __print_flags(__entry->status, "|", aer_uncorrectable_errors),
336 __entry->tlp_header_valid ?
337 __print_array(__entry->tlp_header, 4, 4) :
338 "Not available")
339 );
340
341 /*
342 * memory-failure recovery action result event
343 *
344 * unsigned long pfn - Page Frame Number of the corrupted page
345 * int type - Page types of the corrupted page
346 * int result - Result of recovery action
347 */
348
349 #ifdef CONFIG_MEMORY_FAILURE
350 #define MF_ACTION_RESULT \
351 EM ( MF_IGNORED, "Ignored" ) \
352 EM ( MF_FAILED, "Failed" ) \
353 EM ( MF_DELAYED, "Delayed" ) \
354 EMe ( MF_RECOVERED, "Recovered" )
355
356 #define MF_PAGE_TYPE \
357 EM ( MF_MSG_KERNEL, "reserved kernel page" ) \
358 EM ( MF_MSG_KERNEL_HIGH_ORDER, "high-order kernel page" ) \
359 EM ( MF_MSG_HUGE, "huge page" ) \
360 EM ( MF_MSG_FREE_HUGE, "free huge page" ) \
361 EM ( MF_MSG_GET_HWPOISON, "get hwpoison page" ) \
362 EM ( MF_MSG_UNMAP_FAILED, "unmapping failed page" ) \
363 EM ( MF_MSG_DIRTY_SWAPCACHE, "dirty swapcache page" ) \
364 EM ( MF_MSG_CLEAN_SWAPCACHE, "clean swapcache page" ) \
365 EM ( MF_MSG_DIRTY_MLOCKED_LRU, "dirty mlocked LRU page" ) \
366 EM ( MF_MSG_CLEAN_MLOCKED_LRU, "clean mlocked LRU page" ) \
367 EM ( MF_MSG_DIRTY_UNEVICTABLE_LRU, "dirty unevictable LRU page" ) \
368 EM ( MF_MSG_CLEAN_UNEVICTABLE_LRU, "clean unevictable LRU page" ) \
369 EM ( MF_MSG_DIRTY_LRU, "dirty LRU page" ) \
370 EM ( MF_MSG_CLEAN_LRU, "clean LRU page" ) \
371 EM ( MF_MSG_TRUNCATED_LRU, "already truncated LRU page" ) \
372 EM ( MF_MSG_BUDDY, "free buddy page" ) \
373 EM ( MF_MSG_DAX, "dax page" ) \
374 EM ( MF_MSG_UNSPLIT_THP, "unsplit thp" ) \
375 EM ( MF_MSG_ALREADY_POISONED, "already poisoned" ) \
376 EMe ( MF_MSG_UNKNOWN, "unknown page" )
377
378 /*
379 * First define the enums in MM_ACTION_RESULT to be exported to userspace
380 * via TRACE_DEFINE_ENUM().
381 */
382 #undef EM
383 #undef EMe
384 #define EM(a, b) TRACE_DEFINE_ENUM(a);
385 #define EMe(a, b) TRACE_DEFINE_ENUM(a);
386
387 MF_ACTION_RESULT
388 MF_PAGE_TYPE
389
390 /*
391 * Now redefine the EM() and EMe() macros to map the enums to the strings
392 * that will be printed in the output.
393 */
394 #undef EM
395 #undef EMe
396 #define EM(a, b) { a, b },
397 #define EMe(a, b) { a, b }
398
399 TRACE_EVENT(memory_failure_event,
400 TP_PROTO(unsigned long pfn,
401 int type,
402 int result),
403
404 TP_ARGS(pfn, type, result),
405
406 TP_STRUCT__entry(
407 __field(unsigned long, pfn)
408 __field(int, type)
409 __field(int, result)
410 ),
411
412 TP_fast_assign(
413 __entry->pfn = pfn;
414 __entry->type = type;
415 __entry->result = result;
416 ),
417
418 TP_printk("pfn %#lx: recovery action for %s: %s",
419 __entry->pfn,
420 __print_symbolic(__entry->type, MF_PAGE_TYPE),
421 __print_symbolic(__entry->result, MF_ACTION_RESULT)
422 )
423 );
424 #endif /* CONFIG_MEMORY_FAILURE */
425 #endif /* _TRACE_HW_EVENT_MC_H */
426
427 /* This part must be outside protection */
428 #include <trace/define_trace.h>
429
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