include/ras/ras_event.h

   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, 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, error_msg);
 135                 __assign_str(label, 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, 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, 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 aer_header_log_regs *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, 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->dw0;
 322                         __entry->tlp_header[1] = tlp->dw1;
 323                         __entry->tlp_header[2] = tlp->dw2;
 324                         __entry->tlp_header[3] = tlp->dw3;
 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_SLAB, "kernel slab page" )                          \
 360         EM ( MF_MSG_DIFFERENT_COMPOUND, "different compound page after locking" ) \
 361         EM ( MF_MSG_POISONED_HUGE, "huge page already hardware poisoned" )      \
 362         EM ( MF_MSG_HUGE, "huge page" )                                 \
 363         EM ( MF_MSG_FREE_HUGE, "free huge page" )                       \
 364         EM ( MF_MSG_NON_PMD_HUGE, "non-pmd-sized huge page" )           \
 365         EM ( MF_MSG_UNMAP_FAILED, "unmapping failed page" )             \
 366         EM ( MF_MSG_DIRTY_SWAPCACHE, "dirty swapcache page" )           \
 367         EM ( MF_MSG_CLEAN_SWAPCACHE, "clean swapcache page" )           \
 368         EM ( MF_MSG_DIRTY_MLOCKED_LRU, "dirty mlocked LRU page" )       \
 369         EM ( MF_MSG_CLEAN_MLOCKED_LRU, "clean mlocked LRU page" )       \
 370         EM ( MF_MSG_DIRTY_UNEVICTABLE_LRU, "dirty unevictable LRU page" )       \
 371         EM ( MF_MSG_CLEAN_UNEVICTABLE_LRU, "clean unevictable LRU page" )       \
 372         EM ( MF_MSG_DIRTY_LRU, "dirty LRU page" )                       \
 373         EM ( MF_MSG_CLEAN_LRU, "clean LRU page" )                       \
 374         EM ( MF_MSG_TRUNCATED_LRU, "already truncated LRU page" )       \
 375         EM ( MF_MSG_BUDDY, "free buddy page" )                          \
 376         EM ( MF_MSG_BUDDY_2ND, "free buddy page (2nd try)" )            \
 377         EM ( MF_MSG_DAX, "dax page" )                                   \
 378         EM ( MF_MSG_UNSPLIT_THP, "unsplit thp" )                        \
 379         EMe ( MF_MSG_UNKNOWN, "unknown page" )
 380
 381 /*
 382  * First define the enums in MM_ACTION_RESULT to be exported to userspace
 383  * via TRACE_DEFINE_ENUM().
 384  */
 385 #undef EM
 386 #undef EMe
 387 #define EM(a, b) TRACE_DEFINE_ENUM(a);
 388 #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
 389
 390 MF_ACTION_RESULT
 391 MF_PAGE_TYPE
 392
 393 /*
 394  * Now redefine the EM() and EMe() macros to map the enums to the strings
 395  * that will be printed in the output.
 396  */
 397 #undef EM
 398 #undef EMe
 399 #define EM(a, b)                { a, b },
 400 #define EMe(a, b)       { a, b }
 401
 402 TRACE_EVENT(memory_failure_event,
 403         TP_PROTO(unsigned long pfn,
 404                  int type,
 405                  int result),
 406
 407         TP_ARGS(pfn, type, result),
 408
 409         TP_STRUCT__entry(
 410                 __field(unsigned long, pfn)
 411                 __field(int, type)
 412                 __field(int, result)
 413         ),
 414
 415         TP_fast_assign(
 416                 __entry->pfn    = pfn;
 417                 __entry->type   = type;
 418                 __entry->result = result;
 419         ),
 420
 421         TP_printk("pfn %#lx: recovery action for %s: %s",
 422                 __entry->pfn,
 423                 __print_symbolic(__entry->type, MF_PAGE_TYPE),
 424                 __print_symbolic(__entry->result, MF_ACTION_RESULT)
 425         )
 426 );
 427 #endif /* CONFIG_MEMORY_FAILURE */
 428 #endif /* _TRACE_HW_EVENT_MC_H */
 429
 430 /* This part must be outside protection */
 431 #include <trace/define_trace.h>