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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128// SPDX-License-Identifier: GPL-2.0/* * Copyright (C) 2014 Intel Corporation * * Authors: * Chen, Gong <gong.chen@linux.intel.com> */
#include <linux/init.h>#include <linux/ras.h>#include <linux/uuid.h>
#if IS_ENABLED(CONFIG_AMD_ATL)/* * Once set, this function pointer should never be unset. * * The library module will set this pointer if it successfully loads. The module * should not be unloaded except for testing and debug purposes. */static unsigned long (*amd_atl_umc_na_to_spa)(struct atl_err *err);
void amd_atl_register_decoder(unsigned long (*f)(struct atl_err *)){ amd_atl_umc_na_to_spa = f;}EXPORT_SYMBOL_GPL(amd_atl_register_decoder);
void amd_atl_unregister_decoder(void){ amd_atl_umc_na_to_spa = NULL;}EXPORT_SYMBOL_GPL(amd_atl_unregister_decoder);
unsigned long amd_convert_umc_mca_addr_to_sys_addr(struct atl_err *err){ if (!amd_atl_umc_na_to_spa) return -EINVAL;
return amd_atl_umc_na_to_spa(err);}EXPORT_SYMBOL_GPL(amd_convert_umc_mca_addr_to_sys_addr);#endif /* CONFIG_AMD_ATL */
#define CREATE_TRACE_POINTS#define TRACE_INCLUDE_PATH ../../include/ras#include <ras/ras_event.h>
void log_non_standard_event(const guid_t *sec_type, const guid_t *fru_id, const char *fru_text, const u8 sev, const u8 *err, const u32 len){ trace_non_standard_event(sec_type, fru_id, fru_text, sev, err, len);}EXPORT_SYMBOL_GPL(log_non_standard_event);
void log_arm_hw_error(struct cper_sec_proc_arm *err, const u8 sev){ struct cper_arm_err_info *err_info; struct cper_arm_ctx_info *ctx_info; u8 *ven_err_data; u32 ctx_len = 0; int n, sz, cpu; s32 vsei_len; u32 pei_len; u8 *pei_err, *ctx_err;
pei_len = sizeof(struct cper_arm_err_info) * err->err_info_num; pei_err = (u8 *)(err + 1);
err_info = (struct cper_arm_err_info *)(err + 1); ctx_info = (struct cper_arm_ctx_info *)(err_info + err->err_info_num); ctx_err = (u8 *)ctx_info;
for (n = 0; n < err->context_info_num; n++) { sz = sizeof(struct cper_arm_ctx_info);
if (sz + (long)ctx_info - (long)err >= err->section_length) sz += ctx_info->size;
ctx_info = (struct cper_arm_ctx_info *)((long)ctx_info + sz); ctx_len += sz; }
vsei_len = err->section_length - (sizeof(struct cper_sec_proc_arm) + pei_len + ctx_len); if (vsei_len < 0) { pr_warn(FW_BUG "section length: %d\n", err->section_length); pr_warn(FW_BUG "section length is too small\n"); pr_warn(FW_BUG "firmware-generated error record is incorrect\n"); vsei_len = 0; } ven_err_data = (u8 *)ctx_info;
cpu = GET_LOGICAL_INDEX(err->mpidr); if (cpu < 0) cpu = -1;
trace_arm_event(err, pei_err, pei_len, ctx_err, ctx_len, ven_err_data, (u32)vsei_len, sev, cpu);}
static int __init ras_init(void){ int rc = 0;
ras_debugfs_init(); rc = ras_add_daemon_trace();
return rc;}subsys_initcall(ras_init);
#if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)EXPORT_TRACEPOINT_SYMBOL_GPL(extlog_mem_event);#endifEXPORT_TRACEPOINT_SYMBOL_GPL(mc_event);EXPORT_TRACEPOINT_SYMBOL_GPL(non_standard_event);EXPORT_TRACEPOINT_SYMBOL_GPL(arm_event);
static int __init parse_ras_param(char *str){#ifdef CONFIG_RAS_CEC parse_cec_param(str);#endif
return 1;}__setup("ras", parse_ras_param);