1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (C) 2014 Intel Corporation 4 * 5 * Authors: 6 * Chen, Gong <gong.chen@linux.intel.com> 7 */ 8 9 #include <linux/init.h> 10 #include <linux/ras.h> 11 #include <linux/uuid.h> 12 13 #if IS_ENABLED(CONFIG_AMD_ATL) 14 /* 15 * Once set, this function pointer should never be unset. 16 * 17 * The library module will set this pointer if it successfully loads. The module 18 * should not be unloaded except for testing and debug purposes. 19 */ 20 static unsigned long (*amd_atl_umc_na_to_spa)(struct atl_err *err); 21 22 void amd_atl_register_decoder(unsigned long (*f)(struct atl_err *)) 23 { 24 amd_atl_umc_na_to_spa = f; 25 } 26 EXPORT_SYMBOL_GPL(amd_atl_register_decoder); 27 28 void amd_atl_unregister_decoder(void) 29 { 30 amd_atl_umc_na_to_spa = NULL; 31 } 32 EXPORT_SYMBOL_GPL(amd_atl_unregister_decoder); 33 34 unsigned long amd_convert_umc_mca_addr_to_sys_addr(struct atl_err *err) 35 { 36 if (!amd_atl_umc_na_to_spa) 37 return -EINVAL; 38 39 return amd_atl_umc_na_to_spa(err); 40 } 41 EXPORT_SYMBOL_GPL(amd_convert_umc_mca_addr_to_sys_addr); 42 #endif /* CONFIG_AMD_ATL */ 43 44 #define CREATE_TRACE_POINTS 45 #define TRACE_INCLUDE_PATH ../../include/ras 46 #include <ras/ras_event.h> 47 48 void log_non_standard_event(const guid_t *sec_type, const guid_t *fru_id, 49 const char *fru_text, const u8 sev, const u8 *err, 50 const u32 len) 51 { 52 trace_non_standard_event(sec_type, fru_id, fru_text, sev, err, len); 53 } 54 EXPORT_SYMBOL_GPL(log_non_standard_event); 55 56 void log_arm_hw_error(struct cper_sec_proc_arm *err) 57 { 58 trace_arm_event(err); 59 } 60 61 static int __init ras_init(void) 62 { 63 int rc = 0; 64 65 ras_debugfs_init(); 66 rc = ras_add_daemon_trace(); 67 68 return rc; 69 } 70 subsys_initcall(ras_init); 71 72 #if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE) 73 EXPORT_TRACEPOINT_SYMBOL_GPL(extlog_mem_event); 74 #endif 75 EXPORT_TRACEPOINT_SYMBOL_GPL(mc_event); 76 EXPORT_TRACEPOINT_SYMBOL_GPL(non_standard_event); 77 EXPORT_TRACEPOINT_SYMBOL_GPL(arm_event); 78 79 static int __init parse_ras_param(char *str) 80 { 81 #ifdef CONFIG_RAS_CEC 82 parse_cec_param(str); 83 #endif 84 85 return 1; 86 } 87 __setup("ras", parse_ras_param); 88