u8 rev1[12];
};
-static int old_edac_report_status;
-
static u8 extlog_dsm_uuid[] __initdata = "663E35AF-CC10-41A4-88EA-5470AF055295";
/* L1 table related physical address */
if (!(cap & MCG_ELOG_P) || !extlog_get_l1addr())
return -ENODEV;
- if (edac_get_report_status() == EDAC_REPORTING_FORCE) {
- pr_warn("Not loading eMCA, error reporting force-enabled through EDAC.\n");
- return -EPERM;
- }
-
rc = -EINVAL;
/* get L1 header to fetch necessary information */
l1_hdr_size = sizeof(struct extlog_l1_head);
if (elog_buf == NULL)
goto err_release_elog;
- /*
- * eMCA event report method has higher priority than EDAC method,
- * unless EDAC event report method is mandatory.
- */
- old_edac_report_status = edac_get_report_status();
- edac_set_report_status(EDAC_REPORTING_DISABLED);
mce_register_decode_chain(&extlog_mce_dec);
/* enable OS to be involved to take over management from BIOS */
((struct extlog_l1_head *)extlog_l1_addr)->flags |= FLAG_OS_OPTIN;
static void __exit extlog_exit(void)
{
- edac_set_report_status(old_edac_report_status);
mce_unregister_decode_chain(&extlog_mce_dec);
((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
if (extlog_l1_addr)
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);
return container_of(e, struct mem_ctl_info, error_desc);
}
-int edac_get_report_status(void)
-{
- return edac_report;
-}
-EXPORT_SYMBOL_GPL(edac_get_report_status);
-
-void edac_set_report_status(int new)
-{
- if (new == EDAC_REPORTING_ENABLED ||
- new == EDAC_REPORTING_DISABLED ||
- new == EDAC_REPORTING_FORCE)
- edac_report = new;
-}
-EXPORT_SYMBOL_GPL(edac_set_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 int edac_dimm_info_location(struct dimm_info *dimm, char *buf,
unsigned int len)
{
extern int edac_op_state;
struct bus_type *edac_get_sysfs_subsys(void);
-int edac_get_report_status(void);
-void edac_set_report_status(int new);
-
-enum {
- EDAC_REPORTING_ENABLED,
- EDAC_REPORTING_DISABLED,
- EDAC_REPORTING_FORCE
-};
static inline void opstate_init(void)
{