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The function log_non_standard_event() is responsible for logging platform-specific or vendor-defined RAS (Reliability, Availability, and Serviceability) events. Currently, this function is only available within the RAS subsystem, preventing external modules from leveraging its capabilities. Export it to drivers to log non-standard RAS events via EDAC. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/20250908115649.22903-1-shubhrajyoti.datta@amd.com
87 lines
2 KiB
C
87 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2014 Intel Corporation
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*
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* Authors:
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* Chen, Gong <gong.chen@linux.intel.com>
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*/
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#include <linux/init.h>
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#include <linux/ras.h>
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#include <linux/uuid.h>
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#if IS_ENABLED(CONFIG_AMD_ATL)
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/*
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* Once set, this function pointer should never be unset.
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*
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* The library module will set this pointer if it successfully loads. The module
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* should not be unloaded except for testing and debug purposes.
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*/
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static unsigned long (*amd_atl_umc_na_to_spa)(struct atl_err *err);
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void amd_atl_register_decoder(unsigned long (*f)(struct atl_err *))
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{
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amd_atl_umc_na_to_spa = f;
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}
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EXPORT_SYMBOL_GPL(amd_atl_register_decoder);
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void amd_atl_unregister_decoder(void)
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{
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amd_atl_umc_na_to_spa = NULL;
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}
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EXPORT_SYMBOL_GPL(amd_atl_unregister_decoder);
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unsigned long amd_convert_umc_mca_addr_to_sys_addr(struct atl_err *err)
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{
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if (!amd_atl_umc_na_to_spa)
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return -EINVAL;
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return amd_atl_umc_na_to_spa(err);
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}
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EXPORT_SYMBOL_GPL(amd_convert_umc_mca_addr_to_sys_addr);
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#endif /* CONFIG_AMD_ATL */
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#define CREATE_TRACE_POINTS
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#define TRACE_INCLUDE_PATH ../../include/ras
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#include <ras/ras_event.h>
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void log_non_standard_event(const guid_t *sec_type, const guid_t *fru_id,
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const char *fru_text, const u8 sev, const u8 *err,
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const u32 len)
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{
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trace_non_standard_event(sec_type, fru_id, fru_text, sev, err, len);
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}
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EXPORT_SYMBOL_GPL(log_non_standard_event);
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void log_arm_hw_error(struct cper_sec_proc_arm *err)
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{
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trace_arm_event(err);
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}
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static int __init ras_init(void)
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{
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int rc = 0;
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ras_debugfs_init();
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rc = ras_add_daemon_trace();
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return rc;
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}
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subsys_initcall(ras_init);
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#if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)
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EXPORT_TRACEPOINT_SYMBOL_GPL(extlog_mem_event);
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#endif
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EXPORT_TRACEPOINT_SYMBOL_GPL(mc_event);
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EXPORT_TRACEPOINT_SYMBOL_GPL(non_standard_event);
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EXPORT_TRACEPOINT_SYMBOL_GPL(arm_event);
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static int __init parse_ras_param(char *str)
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{
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#ifdef CONFIG_RAS_CEC
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parse_cec_param(str);
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#endif
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return 1;
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}
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__setup("ras", parse_ras_param);
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