diff options
Diffstat (limited to 'drivers/edac/edac_mc.c')
| -rw-r--r-- | drivers/edac/edac_mc.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 735546ea6ebe..536b65aa6fac 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -43,6 +43,8 @@ int edac_op_state = EDAC_OPSTATE_INVAL; EXPORT_SYMBOL_GPL(edac_op_state); +static int edac_report = EDAC_REPORTING_ENABLED; + /* lock to memory controller's control array */ static DEFINE_MUTEX(mem_ctls_mutex); static LIST_HEAD(mc_devices); @@ -55,6 +57,65 @@ static void const *edac_mc_owner; static struct bus_type mc_bus[EDAC_MAX_MCS]; +int get_edac_report_status(void) +{ + return edac_report; +} +EXPORT_SYMBOL_GPL(get_edac_report_status); + +void set_edac_report_status(int new) +{ + if (new == EDAC_REPORTING_ENABLED || + new == EDAC_REPORTING_DISABLED || + new == EDAC_REPORTING_FORCE) + edac_report = new; +} +EXPORT_SYMBOL_GPL(set_edac_report_status); + +static int edac_report_set(const char *str, const struct kernel_param *kp) +{ + if (!str) + return -EINVAL; + + if (!strncmp(str, "on", 2)) + edac_report = EDAC_REPORTING_ENABLED; + else if (!strncmp(str, "off", 3)) + edac_report = EDAC_REPORTING_DISABLED; + else if (!strncmp(str, "force", 5)) + edac_report = EDAC_REPORTING_FORCE; + + return 0; +} + +static int edac_report_get(char *buffer, const struct kernel_param *kp) +{ + int ret = 0; + + switch (edac_report) { + case EDAC_REPORTING_ENABLED: + ret = sprintf(buffer, "on"); + break; + case EDAC_REPORTING_DISABLED: + ret = sprintf(buffer, "off"); + break; + case EDAC_REPORTING_FORCE: + ret = sprintf(buffer, "force"); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static const struct kernel_param_ops edac_report_ops = { + .set = edac_report_set, + .get = edac_report_get, +}; + +module_param_cb(edac_report, &edac_report_ops, &edac_report, 0644); + unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf, unsigned len) { |