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>
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@ -664,6 +664,17 @@ static ssize_t ap_hwtype_show(struct device *dev,
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}
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static DEVICE_ATTR(hwtype, 0444, ap_hwtype_show, NULL);
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static ssize_t ap_raw_hwtype_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct ap_device *ap_dev = to_ap_dev(dev);
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return snprintf(buf, PAGE_SIZE, "%d\n", ap_dev->raw_hwtype);
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}
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static DEVICE_ATTR(raw_hwtype, 0444, ap_raw_hwtype_show, NULL);
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static ssize_t ap_depth_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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@ -734,6 +745,7 @@ static DEVICE_ATTR(ap_functions, 0444, ap_functions_show, NULL);
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static struct attribute *ap_dev_attrs[] = {
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&dev_attr_hwtype.attr,
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&dev_attr_raw_hwtype.attr,
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&dev_attr_depth.attr,
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&dev_attr_request_count.attr,
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&dev_attr_requestq_count.attr,
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@ -1417,9 +1429,13 @@ static void ap_scan_bus(struct work_struct *unused)
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continue;
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}
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break;
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case 11:
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ap_dev->device_type = 10;
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break;
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default:
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ap_dev->device_type = device_type;
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}
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ap_dev->raw_hwtype = device_type;
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rc = ap_query_functions(qid, &device_functions);
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if (!rc)
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@ -161,6 +161,7 @@ struct ap_device {
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ap_qid_t qid; /* AP queue id. */
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int queue_depth; /* AP queue depth.*/
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int device_type; /* AP device type. */
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int raw_hwtype; /* AP raw hardware type. */
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unsigned int functions; /* AP device function bitfield. */
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int unregistered; /* marks AP device as unregistered */
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struct timer_list timeout; /* Timer for request timeouts. */
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