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> 229