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Diffstat (limited to 'drivers/s390/block/dasd_int.h')
-rw-r--r--drivers/s390/block/dasd_int.h38
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index e4b401500b0..d1b08fa13fd 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -6,7 +6,6 @@
* Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
*
- * $Revision: 1.68 $
*/
#ifndef DASD_INT_H
@@ -276,6 +275,34 @@ struct dasd_discipline {
extern struct dasd_discipline *dasd_diag_discipline_pointer;
+
+/*
+ * Notification numbers for extended error reporting notifications:
+ * The DASD_EER_DISABLE notification is sent before a dasd_device (and it's
+ * eer pointer) is freed. The error reporting module needs to do all necessary
+ * cleanup steps.
+ * The DASD_EER_TRIGGER notification sends the actual error reports (triggers).
+ */
+#define DASD_EER_DISABLE 0
+#define DASD_EER_TRIGGER 1
+
+/* Trigger IDs for extended error reporting DASD_EER_TRIGGER notification */
+#define DASD_EER_FATALERROR 1
+#define DASD_EER_NOPATH 2
+#define DASD_EER_STATECHANGE 3
+#define DASD_EER_PPRCSUSPEND 4
+
+/*
+ * The dasd_eer_trigger structure contains all data that we need to send
+ * along with an DASD_EER_TRIGGER notification.
+ */
+struct dasd_eer_trigger {
+ unsigned int id;
+ struct dasd_device *device;
+ struct dasd_ccw_req *cqr;
+};
+
+
struct dasd_device {
/* Block device stuff. */
struct gendisk *gdp;
@@ -289,6 +316,9 @@ struct dasd_device {
unsigned long flags; /* per device flags */
unsigned short features; /* copy of devmap-features (read-only!) */
+ /* extended error reporting stuff (eer) */
+ void *eer;
+
/* Device discipline stuff. */
struct dasd_discipline *discipline;
char *private;
@@ -489,6 +519,12 @@ int dasd_generic_set_online(struct ccw_device *, struct dasd_discipline *);
int dasd_generic_set_offline (struct ccw_device *cdev);
int dasd_generic_notify(struct ccw_device *, int);
void dasd_generic_auto_online (struct ccw_driver *);
+int dasd_register_eer_notifier(struct notifier_block *);
+int dasd_unregister_eer_notifier(struct notifier_block *);
+void dasd_write_eer_trigger(unsigned int , struct dasd_device *,
+ struct dasd_ccw_req *);
+
+
/* externals in dasd_devmap.c */
extern int dasd_max_devindex;