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
amd_atl_register_decoder(unsigned long (* f)(struct atl_err *))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
amd_atl_unregister_decoder(void)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
amd_convert_umc_mca_addr_to_sys_addr(struct atl_err * err)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
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)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
log_arm_hw_error(struct cper_sec_proc_arm * err)55 void log_arm_hw_error(struct cper_sec_proc_arm *err)
56 {
57 trace_arm_event(err);
58 }
59
ras_init(void)60 static int __init ras_init(void)
61 {
62 int rc = 0;
63
64 ras_debugfs_init();
65 rc = ras_add_daemon_trace();
66
67 return rc;
68 }
69 subsys_initcall(ras_init);
70
71 #if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)
72 EXPORT_TRACEPOINT_SYMBOL_GPL(extlog_mem_event);
73 #endif
74 EXPORT_TRACEPOINT_SYMBOL_GPL(mc_event);
75 EXPORT_TRACEPOINT_SYMBOL_GPL(non_standard_event);
76 EXPORT_TRACEPOINT_SYMBOL_GPL(arm_event);
77
parse_ras_param(char * str)78 static int __init parse_ras_param(char *str)
79 {
80 #ifdef CONFIG_RAS_CEC
81 parse_cec_param(str);
82 #endif
83
84 return 1;
85 }
86 __setup("ras", parse_ras_param);
87