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