include/ras/ras_event.h

   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/aer.h>
  12 #include <linux/cper.h>
  13
  14 /*
  15  * MCE Extended Error Log trace event
  16  *
  17  * These events are generated when hardware detects a corrected or
  18  * uncorrected event.
  19  */
  20
  21 /* memory trace event */
  22
  23 #if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)
  24 TRACE_EVENT(extlog_mem_event,
  25         TP_PROTO(struct cper_sec_mem_err *mem,
  26                  u32 err_seq,
  27                  const uuid_le *fru_id,
  28                  const char *fru_text,
  29                  u8 sev),
  30
  31         TP_ARGS(mem, err_seq, fru_id, fru_text, sev),
  32
  33         TP_STRUCT__entry(
  34                 __field(u32, err_seq)
  35                 __field(u8, etype)
  36                 __field(u8, sev)
  37                 __field(u64, pa)
  38                 __field(u8, pa_mask_lsb)
  39                 __field_struct(uuid_le, fru_id)
  40                 __string(fru_text, fru_text)
  41                 __field_struct(struct cper_mem_err_compact, data)
  42         ),
  43
  44         TP_fast_assign(
  45                 __entry->err_seq = err_seq;
  46                 if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE)
  47                         __entry->etype = mem->error_type;
  48                 else
  49                         __entry->etype = ~0;
  50                 __entry->sev = sev;
  51                 if (mem->validation_bits & CPER_MEM_VALID_PA)
  52                         __entry->pa = mem->physical_addr;
  53                 else
  54                         __entry->pa = ~0ull;
  55
  56                 if (mem->validation_bits & CPER_MEM_VALID_PA_MASK)
  57                         __entry->pa_mask_lsb = (u8)__ffs64(mem->physical_addr_mask);
  58                 else
  59                         __entry->pa_mask_lsb = ~0;
  60                 __entry->fru_id = *fru_id;
  61                 __assign_str(fru_text, fru_text);
  62                 cper_mem_err_pack(mem, &__entry->data);
  63         ),
  64
  65         TP_printk("{%d} %s error: %s physical addr: %016llx (mask lsb: %x) %sFRU: %pUl %.20s",
  66                   __entry->err_seq,
  67                   cper_severity_str(__entry->sev),
  68                   cper_mem_err_type_str(__entry->etype),
  69                   __entry->pa,
  70                   __entry->pa_mask_lsb,
  71                   cper_mem_err_unpack(p, &__entry->data),
  72                   &__entry->fru_id,
  73                   __get_str(fru_text))
  74 );
  75 #endif
  76
  77 /*
  78  * Hardware Events Report
  79  *
  80  * Those events are generated when hardware detected a corrected or
  81  * uncorrected event, and are meant to replace the current API to report
  82  * errors defined on both EDAC and MCE subsystems.
  83  *
  84  * FIXME: Add events for handling memory errors originated from the
  85  *        MCE subsystem.
  86  */
  87
  88 /*
  89  * Hardware-independent Memory Controller specific events
  90  */
  91
  92 /*
  93  * Default error mechanisms for Memory Controller errors (CE and UE)
  94  */
  95 TRACE_EVENT(mc_event,
  96
  97         TP_PROTO(const unsigned int err_type,
  98                  const char *error_msg,
  99                  const char *label,
 100                  const int error_count,
 101                  const u8 mc_index,
 102                  const s8 top_layer,
 103                  const s8 mid_layer,
 104                  const s8 low_layer,
 105                  unsigned long address,
 106                  const u8 grain_bits,
 107                  unsigned long syndrome,
 108                  const char *driver_detail),
 109
 110         TP_ARGS(err_type, error_msg, label, error_count, mc_index,
 111                 top_layer, mid_layer, low_layer, address, grain_bits,
 112                 syndrome, driver_detail),
 113
 114         TP_STRUCT__entry(
 115                 __field(        unsigned int,   error_type              )
 116                 __string(       msg,            error_msg               )
 117                 __string(       label,          label                   )
 118                 __field(        u16,            error_count             )
 119                 __field(        u8,             mc_index                )
 120                 __field(        s8,             top_layer               )
 121                 __field(        s8,             middle_layer            )
 122                 __field(        s8,             lower_layer             )
 123                 __field(        long,           address                 )
 124                 __field(        u8,             grain_bits              )
 125                 __field(        long,           syndrome                )
 126                 __string(       driver_detail,  driver_detail           )
 127         ),
 128
 129         TP_fast_assign(
 130                 __entry->error_type             = err_type;
 131                 __assign_str(msg, error_msg);
 132                 __assign_str(label, label);
 133                 __entry->error_count            = error_count;
 134                 __entry->mc_index               = mc_index;
 135                 __entry->top_layer              = top_layer;
 136                 __entry->middle_layer           = mid_layer;
 137                 __entry->lower_layer            = low_layer;
 138                 __entry->address                = address;
 139                 __entry->grain_bits             = grain_bits;
 140                 __entry->syndrome               = syndrome;
 141                 __assign_str(driver_detail, driver_detail);
 142         ),
 143
 144         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)",
 145                   __entry->error_count,
 146                   mc_event_error_type(__entry->error_type),
 147                   __entry->error_count > 1 ? "s" : "",
 148                   ((char *)__get_str(msg))[0] ? " " : "",
 149                   __get_str(msg),
 150                   __get_str(label),
 151                   __entry->mc_index,
 152                   __entry->top_layer,
 153                   __entry->middle_layer,
 154                   __entry->lower_layer,
 155                   __entry->address,
 156                   1 << __entry->grain_bits,
 157                   __entry->syndrome,
 158                   ((char *)__get_str(driver_detail))[0] ? " " : "",
 159                   __get_str(driver_detail))
 160 );
 161
 162 /*
 163  * PCIe AER Trace event
 164  *
 165  * These events are generated when hardware detects a corrected or
 166  * uncorrected event on a PCIe device. The event report has
 167  * the following structure:
 168  *
 169  * char * dev_name -    The name of the slot where the device resides
 170  *                      ([domain:]bus:device.function).
 171  * u32 status -         Either the correctable or uncorrectable register
 172  *                      indicating what error or errors have been seen
 173  * u8 severity -        error severity 0:NONFATAL 1:FATAL 2:CORRECTED
 174  */
 175
 176 #define aer_correctable_errors          \
 177         {BIT(0),        "Receiver Error"},              \
 178         {BIT(6),        "Bad TLP"},                     \
 179         {BIT(7),        "Bad DLLP"},                    \
 180         {BIT(8),        "RELAY_NUM Rollover"},          \
 181         {BIT(12),       "Replay Timer Timeout"},        \
 182         {BIT(13),       "Advisory Non-Fatal"}
 183
 184 #define aer_uncorrectable_errors                \
 185         {BIT(4),        "Data Link Protocol"},          \
 186         {BIT(12),       "Poisoned TLP"},                \
 187         {BIT(13),       "Flow Control Protocol"},       \
 188         {BIT(14),       "Completion Timeout"},          \
 189         {BIT(15),       "Completer Abort"},             \
 190         {BIT(16),       "Unexpected Completion"},       \
 191         {BIT(17),       "Receiver Overflow"},           \
 192         {BIT(18),       "Malformed TLP"},               \
 193         {BIT(19),       "ECRC"},                        \
 194         {BIT(20),       "Unsupported Request"}
 195
 196 TRACE_EVENT(aer_event,
 197         TP_PROTO(const char *dev_name,
 198                  const u32 status,
 199                  const u8 severity),
 200
 201         TP_ARGS(dev_name, status, severity),
 202
 203         TP_STRUCT__entry(
 204                 __string(       dev_name,       dev_name        )
 205                 __field(        u32,            status          )
 206                 __field(        u8,             severity        )
 207         ),
 208
 209         TP_fast_assign(
 210                 __assign_str(dev_name, dev_name);
 211                 __entry->status         = status;
 212                 __entry->severity       = severity;
 213         ),
 214
 215         TP_printk("%s PCIe Bus Error: severity=%s, %s\n",
 216                 __get_str(dev_name),
 217                 __entry->severity == AER_CORRECTABLE ? "Corrected" :
 218                         __entry->severity == AER_FATAL ?
 219                         "Fatal" : "Uncorrected, non-fatal",
 220                 __entry->severity == AER_CORRECTABLE ?
 221                 __print_flags(__entry->status, "|", aer_correctable_errors) :
 222                 __print_flags(__entry->status, "|", aer_uncorrectable_errors))
 223 );
 224
 225 #endif /* _TRACE_HW_EVENT_MC_H */
 226
 227 /* This part must be outside protection */
 228 #include <trace/define_trace.h>