s390/zcrypt: Toleration of new crypto hardware
The zcrypt device driver will accept the new crypto adapter
in toleration mode. A new sysfs attribute 'raw_hwtype' will
expose the raw hardware type.
Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 51e6aa0..9948541 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -664,6 +664,17 @@
}
static DEVICE_ATTR(hwtype, 0444, ap_hwtype_show, NULL);
+
+static ssize_t ap_raw_hwtype_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ap_device *ap_dev = to_ap_dev(dev);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", ap_dev->raw_hwtype);
+}
+
+static DEVICE_ATTR(raw_hwtype, 0444, ap_raw_hwtype_show, NULL);
+
static ssize_t ap_depth_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -734,6 +745,7 @@
static struct attribute *ap_dev_attrs[] = {
&dev_attr_hwtype.attr,
+ &dev_attr_raw_hwtype.attr,
&dev_attr_depth.attr,
&dev_attr_request_count.attr,
&dev_attr_requestq_count.attr,
@@ -1417,9 +1429,13 @@
continue;
}
break;
+ case 11:
+ ap_dev->device_type = 10;
+ break;
default:
ap_dev->device_type = device_type;
}
+ ap_dev->raw_hwtype = device_type;
rc = ap_query_functions(qid, &device_functions);
if (!rc)