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// 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) + 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);
#endif
EXPORT_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);
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