xref: /openbmc/linux/include/ras/ras_event.h (revision a8da474e)
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM ras
3 #define TRACE_INCLUDE_FILE ras_event
4 
5 #if !defined(_TRACE_HW_EVENT_MC_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_HW_EVENT_MC_H
7 
8 #include <linux/tracepoint.h>
9 #include <linux/edac.h>
10 #include <linux/ktime.h>
11 #include <linux/pci.h>
12 #include <linux/aer.h>
13 #include <linux/cper.h>
14 #include <linux/mm.h>
15 
16 /*
17  * MCE Extended Error Log trace event
18  *
19  * These events are generated when hardware detects a corrected or
20  * uncorrected event.
21  */
22 
23 /* memory trace event */
24 
25 #if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)
26 TRACE_EVENT(extlog_mem_event,
27 	TP_PROTO(struct cper_sec_mem_err *mem,
28 		 u32 err_seq,
29 		 const uuid_le *fru_id,
30 		 const char *fru_text,
31 		 u8 sev),
32 
33 	TP_ARGS(mem, err_seq, fru_id, fru_text, sev),
34 
35 	TP_STRUCT__entry(
36 		__field(u32, err_seq)
37 		__field(u8, etype)
38 		__field(u8, sev)
39 		__field(u64, pa)
40 		__field(u8, pa_mask_lsb)
41 		__field_struct(uuid_le, fru_id)
42 		__string(fru_text, fru_text)
43 		__field_struct(struct cper_mem_err_compact, data)
44 	),
45 
46 	TP_fast_assign(
47 		__entry->err_seq = err_seq;
48 		if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE)
49 			__entry->etype = mem->error_type;
50 		else
51 			__entry->etype = ~0;
52 		__entry->sev = sev;
53 		if (mem->validation_bits & CPER_MEM_VALID_PA)
54 			__entry->pa = mem->physical_addr;
55 		else
56 			__entry->pa = ~0ull;
57 
58 		if (mem->validation_bits & CPER_MEM_VALID_PA_MASK)
59 			__entry->pa_mask_lsb = (u8)__ffs64(mem->physical_addr_mask);
60 		else
61 			__entry->pa_mask_lsb = ~0;
62 		__entry->fru_id = *fru_id;
63 		__assign_str(fru_text, fru_text);
64 		cper_mem_err_pack(mem, &__entry->data);
65 	),
66 
67 	TP_printk("{%d} %s error: %s physical addr: %016llx (mask lsb: %x) %sFRU: %pUl %.20s",
68 		  __entry->err_seq,
69 		  cper_severity_str(__entry->sev),
70 		  cper_mem_err_type_str(__entry->etype),
71 		  __entry->pa,
72 		  __entry->pa_mask_lsb,
73 		  cper_mem_err_unpack(p, &__entry->data),
74 		  &__entry->fru_id,
75 		  __get_str(fru_text))
76 );
77 #endif
78 
79 /*
80  * Hardware Events Report
81  *
82  * Those events are generated when hardware detected a corrected or
83  * uncorrected event, and are meant to replace the current API to report
84  * errors defined on both EDAC and MCE subsystems.
85  *
86  * FIXME: Add events for handling memory errors originated from the
87  *        MCE subsystem.
88  */
89 
90 /*
91  * Hardware-independent Memory Controller specific events
92  */
93 
94 /*
95  * Default error mechanisms for Memory Controller errors (CE and UE)
96  */
97 TRACE_EVENT(mc_event,
98 
99 	TP_PROTO(const unsigned int err_type,
100 		 const char *error_msg,
101 		 const char *label,
102 		 const int error_count,
103 		 const u8 mc_index,
104 		 const s8 top_layer,
105 		 const s8 mid_layer,
106 		 const s8 low_layer,
107 		 unsigned long address,
108 		 const u8 grain_bits,
109 		 unsigned long syndrome,
110 		 const char *driver_detail),
111 
112 	TP_ARGS(err_type, error_msg, label, error_count, mc_index,
113 		top_layer, mid_layer, low_layer, address, grain_bits,
114 		syndrome, driver_detail),
115 
116 	TP_STRUCT__entry(
117 		__field(	unsigned int,	error_type		)
118 		__string(	msg,		error_msg		)
119 		__string(	label,		label			)
120 		__field(	u16,		error_count		)
121 		__field(	u8,		mc_index		)
122 		__field(	s8,		top_layer		)
123 		__field(	s8,		middle_layer		)
124 		__field(	s8,		lower_layer		)
125 		__field(	long,		address			)
126 		__field(	u8,		grain_bits		)
127 		__field(	long,		syndrome		)
128 		__string(	driver_detail,	driver_detail		)
129 	),
130 
131 	TP_fast_assign(
132 		__entry->error_type		= err_type;
133 		__assign_str(msg, error_msg);
134 		__assign_str(label, label);
135 		__entry->error_count		= error_count;
136 		__entry->mc_index		= mc_index;
137 		__entry->top_layer		= top_layer;
138 		__entry->middle_layer		= mid_layer;
139 		__entry->lower_layer		= low_layer;
140 		__entry->address		= address;
141 		__entry->grain_bits		= grain_bits;
142 		__entry->syndrome		= syndrome;
143 		__assign_str(driver_detail, driver_detail);
144 	),
145 
146 	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)",
147 		  __entry->error_count,
148 		  mc_event_error_type(__entry->error_type),
149 		  __entry->error_count > 1 ? "s" : "",
150 		  ((char *)__get_str(msg))[0] ? " " : "",
151 		  __get_str(msg),
152 		  __get_str(label),
153 		  __entry->mc_index,
154 		  __entry->top_layer,
155 		  __entry->middle_layer,
156 		  __entry->lower_layer,
157 		  __entry->address,
158 		  1 << __entry->grain_bits,
159 		  __entry->syndrome,
160 		  ((char *)__get_str(driver_detail))[0] ? " " : "",
161 		  __get_str(driver_detail))
162 );
163 
164 /*
165  * PCIe AER Trace event
166  *
167  * These events are generated when hardware detects a corrected or
168  * uncorrected event on a PCIe device. The event report has
169  * the following structure:
170  *
171  * char * dev_name -	The name of the slot where the device resides
172  *			([domain:]bus:device.function).
173  * u32 status -		Either the correctable or uncorrectable register
174  *			indicating what error or errors have been seen
175  * u8 severity -	error severity 0:NONFATAL 1:FATAL 2:CORRECTED
176  */
177 
178 #define aer_correctable_errors					\
179 	{PCI_ERR_COR_RCVR,	"Receiver Error"},		\
180 	{PCI_ERR_COR_BAD_TLP,	"Bad TLP"},			\
181 	{PCI_ERR_COR_BAD_DLLP,	"Bad DLLP"},			\
182 	{PCI_ERR_COR_REP_ROLL,	"RELAY_NUM Rollover"},		\
183 	{PCI_ERR_COR_REP_TIMER,	"Replay Timer Timeout"},	\
184 	{PCI_ERR_COR_ADV_NFAT,	"Advisory Non-Fatal Error"},	\
185 	{PCI_ERR_COR_INTERNAL,	"Corrected Internal Error"},	\
186 	{PCI_ERR_COR_LOG_OVER,	"Header Log Overflow"}
187 
188 #define aer_uncorrectable_errors				\
189 	{PCI_ERR_UNC_UND,	"Undefined"},			\
190 	{PCI_ERR_UNC_DLP,	"Data Link Protocol Error"},	\
191 	{PCI_ERR_UNC_SURPDN,	"Surprise Down Error"},		\
192 	{PCI_ERR_UNC_POISON_TLP,"Poisoned TLP"},		\
193 	{PCI_ERR_UNC_FCP,	"Flow Control Protocol Error"},	\
194 	{PCI_ERR_UNC_COMP_TIME,	"Completion Timeout"},		\
195 	{PCI_ERR_UNC_COMP_ABORT,"Completer Abort"},		\
196 	{PCI_ERR_UNC_UNX_COMP,	"Unexpected Completion"},	\
197 	{PCI_ERR_UNC_RX_OVER,	"Receiver Overflow"},		\
198 	{PCI_ERR_UNC_MALF_TLP,	"Malformed TLP"},		\
199 	{PCI_ERR_UNC_ECRC,	"ECRC Error"},			\
200 	{PCI_ERR_UNC_UNSUP,	"Unsupported Request Error"},	\
201 	{PCI_ERR_UNC_ACSV,	"ACS Violation"},		\
202 	{PCI_ERR_UNC_INTN,	"Uncorrectable Internal Error"},\
203 	{PCI_ERR_UNC_MCBTLP,	"MC Blocked TLP"},		\
204 	{PCI_ERR_UNC_ATOMEG,	"AtomicOp Egress Blocked"},	\
205 	{PCI_ERR_UNC_TLPPRE,	"TLP Prefix Blocked Error"}
206 
207 TRACE_EVENT(aer_event,
208 	TP_PROTO(const char *dev_name,
209 		 const u32 status,
210 		 const u8 severity),
211 
212 	TP_ARGS(dev_name, status, severity),
213 
214 	TP_STRUCT__entry(
215 		__string(	dev_name,	dev_name	)
216 		__field(	u32,		status		)
217 		__field(	u8,		severity	)
218 	),
219 
220 	TP_fast_assign(
221 		__assign_str(dev_name, dev_name);
222 		__entry->status		= status;
223 		__entry->severity	= severity;
224 	),
225 
226 	TP_printk("%s PCIe Bus Error: severity=%s, %s\n",
227 		__get_str(dev_name),
228 		__entry->severity == AER_CORRECTABLE ? "Corrected" :
229 			__entry->severity == AER_FATAL ?
230 			"Fatal" : "Uncorrected, non-fatal",
231 		__entry->severity == AER_CORRECTABLE ?
232 		__print_flags(__entry->status, "|", aer_correctable_errors) :
233 		__print_flags(__entry->status, "|", aer_uncorrectable_errors))
234 );
235 
236 /*
237  * memory-failure recovery action result event
238  *
239  * unsigned long pfn -	Page Frame Number of the corrupted page
240  * int type	-	Page types of the corrupted page
241  * int result	-	Result of recovery action
242  */
243 
244 #ifdef CONFIG_MEMORY_FAILURE
245 #define MF_ACTION_RESULT	\
246 	EM ( MF_IGNORED, "Ignored" )	\
247 	EM ( MF_FAILED,  "Failed" )	\
248 	EM ( MF_DELAYED, "Delayed" )	\
249 	EMe ( MF_RECOVERED, "Recovered" )
250 
251 #define MF_PAGE_TYPE		\
252 	EM ( MF_MSG_KERNEL, "reserved kernel page" )			\
253 	EM ( MF_MSG_KERNEL_HIGH_ORDER, "high-order kernel page" )	\
254 	EM ( MF_MSG_SLAB, "kernel slab page" )				\
255 	EM ( MF_MSG_DIFFERENT_COMPOUND, "different compound page after locking" ) \
256 	EM ( MF_MSG_POISONED_HUGE, "huge page already hardware poisoned" )	\
257 	EM ( MF_MSG_HUGE, "huge page" )					\
258 	EM ( MF_MSG_FREE_HUGE, "free huge page" )			\
259 	EM ( MF_MSG_UNMAP_FAILED, "unmapping failed page" )		\
260 	EM ( MF_MSG_DIRTY_SWAPCACHE, "dirty swapcache page" )		\
261 	EM ( MF_MSG_CLEAN_SWAPCACHE, "clean swapcache page" )		\
262 	EM ( MF_MSG_DIRTY_MLOCKED_LRU, "dirty mlocked LRU page" )	\
263 	EM ( MF_MSG_CLEAN_MLOCKED_LRU, "clean mlocked LRU page" )	\
264 	EM ( MF_MSG_DIRTY_UNEVICTABLE_LRU, "dirty unevictable LRU page" )	\
265 	EM ( MF_MSG_CLEAN_UNEVICTABLE_LRU, "clean unevictable LRU page" )	\
266 	EM ( MF_MSG_DIRTY_LRU, "dirty LRU page" )			\
267 	EM ( MF_MSG_CLEAN_LRU, "clean LRU page" )			\
268 	EM ( MF_MSG_TRUNCATED_LRU, "already truncated LRU page" )	\
269 	EM ( MF_MSG_BUDDY, "free buddy page" )				\
270 	EM ( MF_MSG_BUDDY_2ND, "free buddy page (2nd try)" )		\
271 	EMe ( MF_MSG_UNKNOWN, "unknown page" )
272 
273 /*
274  * First define the enums in MM_ACTION_RESULT to be exported to userspace
275  * via TRACE_DEFINE_ENUM().
276  */
277 #undef EM
278 #undef EMe
279 #define EM(a, b) TRACE_DEFINE_ENUM(a);
280 #define EMe(a, b)	TRACE_DEFINE_ENUM(a);
281 
282 MF_ACTION_RESULT
283 MF_PAGE_TYPE
284 
285 /*
286  * Now redefine the EM() and EMe() macros to map the enums to the strings
287  * that will be printed in the output.
288  */
289 #undef EM
290 #undef EMe
291 #define EM(a, b)		{ a, b },
292 #define EMe(a, b)	{ a, b }
293 
294 TRACE_EVENT(memory_failure_event,
295 	TP_PROTO(unsigned long pfn,
296 		 int type,
297 		 int result),
298 
299 	TP_ARGS(pfn, type, result),
300 
301 	TP_STRUCT__entry(
302 		__field(unsigned long, pfn)
303 		__field(int, type)
304 		__field(int, result)
305 	),
306 
307 	TP_fast_assign(
308 		__entry->pfn	= pfn;
309 		__entry->type	= type;
310 		__entry->result	= result;
311 	),
312 
313 	TP_printk("pfn %#lx: recovery action for %s: %s",
314 		__entry->pfn,
315 		__print_symbolic(__entry->type, MF_PAGE_TYPE),
316 		__print_symbolic(__entry->result, MF_ACTION_RESULT)
317 	)
318 );
319 #endif /* CONFIG_MEMORY_FAILURE */
320 #endif /* _TRACE_HW_EVENT_MC_H */
321 
322 /* This part must be outside protection */
323 #include <trace/define_trace.h>
324