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@@ -46,6 +46,317 @@ u64 cper_next_record_id(void)
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}
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EXPORT_SYMBOL_GPL(cper_next_record_id);
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+static const char *cper_severity_strs[] = {
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+ "recoverable",
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+ "fatal",
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+ "corrected",
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+ "info",
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+};
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+
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+static const char *cper_severity_str(unsigned int severity)
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+{
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+ return severity < ARRAY_SIZE(cper_severity_strs) ?
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+ cper_severity_strs[severity] : "unknown";
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+}
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+
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+/*
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+ * cper_print_bits - print strings for set bits
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+ * @pfx: prefix for each line, including log level and prefix string
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+ * @bits: bit mask
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+ * @strs: string array, indexed by bit position
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+ * @strs_size: size of the string array: @strs
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+ *
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+ * For each set bit in @bits, print the corresponding string in @strs.
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+ * If the output length is longer than 80, multiple line will be
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+ * printed, with @pfx is printed at the beginning of each line.
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+ */
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+static void cper_print_bits(const char *pfx, unsigned int bits,
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+ const char *strs[], unsigned int strs_size)
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+{
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+ int i, len = 0;
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+ const char *str;
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+ char buf[84];
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+
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+ for (i = 0; i < strs_size; i++) {
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+ if (!(bits & (1U << i)))
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+ continue;
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+ str = strs[i];
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+ if (len && len + strlen(str) + 2 > 80) {
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+ printk("%s\n", buf);
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+ len = 0;
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+ }
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+ if (!len)
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+ len = snprintf(buf, sizeof(buf), "%s%s", pfx, str);
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+ else
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+ len += snprintf(buf+len, sizeof(buf)-len, ", %s", str);
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+ }
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+ if (len)
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+ printk("%s\n", buf);
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+}
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+
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+static const char *cper_proc_type_strs[] = {
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+ "IA32/X64",
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+ "IA64",
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+};
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+
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+static const char *cper_proc_isa_strs[] = {
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+ "IA32",
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+ "IA64",
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+ "X64",
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+};
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+
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+static const char *cper_proc_error_type_strs[] = {
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+ "cache error",
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+ "TLB error",
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+ "bus error",
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+ "micro-architectural error",
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+};
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+
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+static const char *cper_proc_op_strs[] = {
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+ "unknown or generic",
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+ "data read",
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+ "data write",
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+ "instruction execution",
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+};
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+
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+static const char *cper_proc_flag_strs[] = {
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+ "restartable",
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+ "precise IP",
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+ "overflow",
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+ "corrected",
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+};
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+
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+static void cper_print_proc_generic(const char *pfx,
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+ const struct cper_sec_proc_generic *proc)
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+{
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+ if (proc->validation_bits & CPER_PROC_VALID_TYPE)
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+ printk("%s""processor_type: %d, %s\n", pfx, proc->proc_type,
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+ proc->proc_type < ARRAY_SIZE(cper_proc_type_strs) ?
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+ cper_proc_type_strs[proc->proc_type] : "unknown");
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+ if (proc->validation_bits & CPER_PROC_VALID_ISA)
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+ printk("%s""processor_isa: %d, %s\n", pfx, proc->proc_isa,
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+ proc->proc_isa < ARRAY_SIZE(cper_proc_isa_strs) ?
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+ cper_proc_isa_strs[proc->proc_isa] : "unknown");
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+ if (proc->validation_bits & CPER_PROC_VALID_ERROR_TYPE) {
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+ printk("%s""error_type: 0x%02x\n", pfx, proc->proc_error_type);
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+ cper_print_bits(pfx, proc->proc_error_type,
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+ cper_proc_error_type_strs,
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+ ARRAY_SIZE(cper_proc_error_type_strs));
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+ }
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+ if (proc->validation_bits & CPER_PROC_VALID_OPERATION)
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+ printk("%s""operation: %d, %s\n", pfx, proc->operation,
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+ proc->operation < ARRAY_SIZE(cper_proc_op_strs) ?
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+ cper_proc_op_strs[proc->operation] : "unknown");
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+ if (proc->validation_bits & CPER_PROC_VALID_FLAGS) {
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+ printk("%s""flags: 0x%02x\n", pfx, proc->flags);
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+ cper_print_bits(pfx, proc->flags, cper_proc_flag_strs,
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+ ARRAY_SIZE(cper_proc_flag_strs));
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+ }
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+ if (proc->validation_bits & CPER_PROC_VALID_LEVEL)
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+ printk("%s""level: %d\n", pfx, proc->level);
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+ if (proc->validation_bits & CPER_PROC_VALID_VERSION)
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+ printk("%s""version_info: 0x%016llx\n", pfx, proc->cpu_version);
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+ if (proc->validation_bits & CPER_PROC_VALID_ID)
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+ printk("%s""processor_id: 0x%016llx\n", pfx, proc->proc_id);
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+ if (proc->validation_bits & CPER_PROC_VALID_TARGET_ADDRESS)
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+ printk("%s""target_address: 0x%016llx\n",
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+ pfx, proc->target_addr);
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+ if (proc->validation_bits & CPER_PROC_VALID_REQUESTOR_ID)
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+ printk("%s""requestor_id: 0x%016llx\n",
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+ pfx, proc->requestor_id);
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+ if (proc->validation_bits & CPER_PROC_VALID_RESPONDER_ID)
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+ printk("%s""responder_id: 0x%016llx\n",
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+ pfx, proc->responder_id);
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+ if (proc->validation_bits & CPER_PROC_VALID_IP)
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+ printk("%s""IP: 0x%016llx\n", pfx, proc->ip);
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+}
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+
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+static const char *cper_mem_err_type_strs[] = {
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+ "unknown",
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+ "no error",
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+ "single-bit ECC",
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+ "multi-bit ECC",
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+ "single-symbol chipkill ECC",
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+ "multi-symbol chipkill ECC",
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+ "master abort",
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+ "target abort",
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+ "parity error",
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+ "watchdog timeout",
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+ "invalid address",
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+ "mirror Broken",
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+ "memory sparing",
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+ "scrub corrected error",
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+ "scrub uncorrected error",
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+};
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+
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+static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem)
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+{
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+ if (mem->validation_bits & CPER_MEM_VALID_ERROR_STATUS)
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+ printk("%s""error_status: 0x%016llx\n", pfx, mem->error_status);
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+ if (mem->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS)
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+ printk("%s""physical_address: 0x%016llx\n",
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+ pfx, mem->physical_addr);
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+ if (mem->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS_MASK)
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+ printk("%s""physical_address_mask: 0x%016llx\n",
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+ pfx, mem->physical_addr_mask);
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+ if (mem->validation_bits & CPER_MEM_VALID_NODE)
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+ printk("%s""node: %d\n", pfx, mem->node);
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+ if (mem->validation_bits & CPER_MEM_VALID_CARD)
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+ printk("%s""card: %d\n", pfx, mem->card);
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+ if (mem->validation_bits & CPER_MEM_VALID_MODULE)
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+ printk("%s""module: %d\n", pfx, mem->module);
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+ if (mem->validation_bits & CPER_MEM_VALID_BANK)
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+ printk("%s""bank: %d\n", pfx, mem->bank);
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+ if (mem->validation_bits & CPER_MEM_VALID_DEVICE)
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+ printk("%s""device: %d\n", pfx, mem->device);
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+ if (mem->validation_bits & CPER_MEM_VALID_ROW)
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+ printk("%s""row: %d\n", pfx, mem->row);
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+ if (mem->validation_bits & CPER_MEM_VALID_COLUMN)
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+ printk("%s""column: %d\n", pfx, mem->column);
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+ if (mem->validation_bits & CPER_MEM_VALID_BIT_POSITION)
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+ printk("%s""bit_position: %d\n", pfx, mem->bit_pos);
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+ if (mem->validation_bits & CPER_MEM_VALID_REQUESTOR_ID)
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+ printk("%s""requestor_id: 0x%016llx\n", pfx, mem->requestor_id);
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+ if (mem->validation_bits & CPER_MEM_VALID_RESPONDER_ID)
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+ printk("%s""responder_id: 0x%016llx\n", pfx, mem->responder_id);
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+ if (mem->validation_bits & CPER_MEM_VALID_TARGET_ID)
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+ printk("%s""target_id: 0x%016llx\n", pfx, mem->target_id);
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+ if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE) {
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+ u8 etype = mem->error_type;
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+ printk("%s""error_type: %d, %s\n", pfx, etype,
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+ etype < ARRAY_SIZE(cper_mem_err_type_strs) ?
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+ cper_mem_err_type_strs[etype] : "unknown");
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+ }
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+}
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+
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+static const char *cper_pcie_port_type_strs[] = {
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+ "PCIe end point",
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+ "legacy PCI end point",
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+ "unknown",
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+ "unknown",
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+ "root port",
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+ "upstream switch port",
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+ "downstream switch port",
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+ "PCIe to PCI/PCI-X bridge",
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+ "PCI/PCI-X to PCIe bridge",
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+ "root complex integrated endpoint device",
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+ "root complex event collector",
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+};
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+
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+static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie)
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+{
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+ if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE)
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+ printk("%s""port_type: %d, %s\n", pfx, pcie->port_type,
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+ pcie->port_type < ARRAY_SIZE(cper_pcie_port_type_strs) ?
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+ cper_pcie_port_type_strs[pcie->port_type] : "unknown");
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+ if (pcie->validation_bits & CPER_PCIE_VALID_VERSION)
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+ printk("%s""version: %d.%d\n", pfx,
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+ pcie->version.major, pcie->version.minor);
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+ if (pcie->validation_bits & CPER_PCIE_VALID_COMMAND_STATUS)
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+ printk("%s""command: 0x%04x, status: 0x%04x\n", pfx,
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+ pcie->command, pcie->status);
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+ if (pcie->validation_bits & CPER_PCIE_VALID_DEVICE_ID) {
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+ const __u8 *p;
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+ printk("%s""device_id: %04x:%02x:%02x.%x\n", pfx,
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+ pcie->device_id.segment, pcie->device_id.bus,
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+ pcie->device_id.device, pcie->device_id.function);
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+ printk("%s""slot: %d\n", pfx,
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+ pcie->device_id.slot >> CPER_PCIE_SLOT_SHIFT);
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+ printk("%s""secondary_bus: 0x%02x\n", pfx,
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+ pcie->device_id.secondary_bus);
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+ printk("%s""vendor_id: 0x%04x, device_id: 0x%04x\n", pfx,
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+ pcie->device_id.vendor_id, pcie->device_id.device_id);
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+ p = pcie->device_id.class_code;
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+ printk("%s""class_code: %02x%02x%02x\n", pfx, p[0], p[1], p[2]);
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+ }
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+ if (pcie->validation_bits & CPER_PCIE_VALID_SERIAL_NUMBER)
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+ printk("%s""serial number: 0x%04x, 0x%04x\n", pfx,
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+ pcie->serial_number.lower, pcie->serial_number.upper);
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+ if (pcie->validation_bits & CPER_PCIE_VALID_BRIDGE_CONTROL_STATUS)
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+ printk(
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+ "%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n",
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+ pfx, pcie->bridge.secondary_status, pcie->bridge.control);
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+}
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+
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+static const char *apei_estatus_section_flag_strs[] = {
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+ "primary",
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+ "containment warning",
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+ "reset",
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+ "threshold exceeded",
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+ "resource not accessible",
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+ "latent error",
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+};
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+
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+static void apei_estatus_print_section(
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+ const char *pfx, const struct acpi_hest_generic_data *gdata, int sec_no)
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+{
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+ uuid_le *sec_type = (uuid_le *)gdata->section_type;
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+ __u16 severity;
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+
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+ severity = gdata->error_severity;
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+ printk("%s""section: %d, severity: %d, %s\n", pfx, sec_no, severity,
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+ cper_severity_str(severity));
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+ printk("%s""flags: 0x%02x\n", pfx, gdata->flags);
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+ cper_print_bits(pfx, gdata->flags, apei_estatus_section_flag_strs,
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+ ARRAY_SIZE(apei_estatus_section_flag_strs));
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+ if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
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+ printk("%s""fru_id: %pUl\n", pfx, (uuid_le *)gdata->fru_id);
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+ if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
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+ printk("%s""fru_text: %.20s\n", pfx, gdata->fru_text);
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+
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+ if (!uuid_le_cmp(*sec_type, CPER_SEC_PROC_GENERIC)) {
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+ struct cper_sec_proc_generic *proc_err = (void *)(gdata + 1);
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+ printk("%s""section_type: general processor error\n", pfx);
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+ if (gdata->error_data_length >= sizeof(*proc_err))
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+ cper_print_proc_generic(pfx, proc_err);
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+ else
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+ goto err_section_too_small;
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+ } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) {
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+ struct cper_sec_mem_err *mem_err = (void *)(gdata + 1);
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+ printk("%s""section_type: memory error\n", pfx);
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+ if (gdata->error_data_length >= sizeof(*mem_err))
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+ cper_print_mem(pfx, mem_err);
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+ else
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+ goto err_section_too_small;
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+ } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PCIE)) {
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+ struct cper_sec_pcie *pcie = (void *)(gdata + 1);
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+ printk("%s""section_type: PCIe error\n", pfx);
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+ if (gdata->error_data_length >= sizeof(*pcie))
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+ cper_print_pcie(pfx, pcie);
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+ else
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+ goto err_section_too_small;
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+ } else
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+ printk("%s""section type: unknown, %pUl\n", pfx, sec_type);
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+
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+ return;
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+
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+err_section_too_small:
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+ pr_err(FW_WARN "error section length is too small\n");
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+}
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+
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+void apei_estatus_print(const char *pfx,
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+ const struct acpi_hest_generic_status *estatus)
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+{
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+ struct acpi_hest_generic_data *gdata;
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+ unsigned int data_len, gedata_len;
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+ int sec_no = 0;
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+ __u16 severity;
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+
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+ printk("%s""APEI generic hardware error status\n", pfx);
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+ severity = estatus->error_severity;
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+ printk("%s""severity: %d, %s\n", pfx, severity,
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+ cper_severity_str(severity));
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+ data_len = estatus->data_length;
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+ gdata = (struct acpi_hest_generic_data *)(estatus + 1);
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+ while (data_len > sizeof(*gdata)) {
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+ gedata_len = gdata->error_data_length;
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+ apei_estatus_print_section(pfx, gdata, sec_no);
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+ data_len -= gedata_len + sizeof(*gdata);
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+ sec_no++;
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+ }
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+}
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+EXPORT_SYMBOL_GPL(apei_estatus_print);
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+
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int apei_estatus_check_header(const struct acpi_hest_generic_status *estatus)
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{
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if (estatus->data_length &&
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Huang Ying