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path: root/drivers/s390/block/dasd_int.h
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Diffstat (limited to 'drivers/s390/block/dasd_int.h')
-rw-r--r--drivers/s390/block/dasd_int.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 4293ba82752..d4b13e300a7 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -268,6 +268,16 @@ struct dasd_discipline {
extern struct dasd_discipline *dasd_diag_discipline_pointer;
+/*
+ * Unique identifier for dasd device.
+ */
+struct dasd_uid {
+ __u8 alias;
+ char vendor[4];
+ char serial[15];
+ __u16 ssid;
+ __u8 unit_addr;
+};
/*
* Notification numbers for extended error reporting notifications:
@@ -516,6 +526,8 @@ void dasd_devmap_exit(void);
struct dasd_device *dasd_create_device(struct ccw_device *);
void dasd_delete_device(struct dasd_device *);
+int dasd_get_uid(struct ccw_device *, struct dasd_uid *);
+int dasd_set_uid(struct ccw_device *, struct dasd_uid *);
int dasd_get_feature(struct ccw_device *, int);
int dasd_set_feature(struct ccw_device *, int, int);