diff options
Diffstat (limited to 'drivers/ras/ras.c')
| -rw-r--r-- | drivers/ras/ras.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c index 95540ea8dd..a6e4792a1b 100644 --- a/drivers/ras/ras.c +++ b/drivers/ras/ras.c @@ -10,6 +10,37 @@ #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> |