+/*
+ * Generate device unique id that specifies the physical device.
+ */
+static int
+dasd_eckd_generate_uid(struct dasd_device *device, struct dasd_uid *uid)
+{
+ struct dasd_eckd_private *private;
+ struct dasd_eckd_confdata *confdata;
+
+ private = (struct dasd_eckd_private *) device->private;
+ if (!private)
+ return -ENODEV;
+ confdata = &private->conf_data;
+ if (!confdata)
+ return -ENODEV;
+
+ memset(uid, 0, sizeof(struct dasd_uid));
+ strncpy(uid->vendor, confdata->ned1.HDA_manufacturer,
+ sizeof(uid->vendor) - 1);
+ EBCASC(uid->vendor, sizeof(uid->vendor) - 1);
+ strncpy(uid->serial, confdata->ned1.HDA_location,
+ sizeof(uid->serial) - 1);
+ EBCASC(uid->serial, sizeof(uid->serial) - 1);
+ uid->ssid = confdata->neq.subsystemID;
+ if (confdata->ned2.sneq.flags == 0x40) {
+ uid->alias = 1;
+ uid->unit_addr = confdata->ned2.sneq.base_unit_addr;
+ } else
+ uid->unit_addr = confdata->ned1.unit_addr;
+
+ return 0;
+}
+