IB/core: Export a common fw_ver sysfs entry

Now that all the devices have stopped exporting their own sysfs
entry points we can have the core export this on their behalf.

Eventually this may be removed but this provides for backwards
compatibility.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index a5793c8f15901483e24e24393173ea8dbee6b191..0d1ab73f8186daa18f4b0f0113e84fec4721bcec 100644 (file)
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -38,6 +38,7 @@
 #include <linux/stat.h>
 #include <linux/string.h>
 #include <linux/netdevice.h>
+#include <linux/ethtool.h>
 
 #include <rdma/ib_mad.h>
 #include <rdma/ib_pma.h>
@@ -1196,16 +1197,28 @@ static ssize_t set_node_desc(struct device *device,
        return count;
 }
 
+static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr,
+                          char *buf)
+{
+       struct ib_device *dev = container_of(device, struct ib_device, dev);
+
+       ib_get_device_fw_str(dev, buf, PAGE_SIZE);
+       strlcat(buf, "\n", PAGE_SIZE);
+       return strlen(buf);
+}
+
 static DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL);
 static DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL);
 static DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL);
 static DEVICE_ATTR(node_desc, S_IRUGO | S_IWUSR, show_node_desc, set_node_desc);
+static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
 
 static struct device_attribute *ib_class_attributes[] = {
        &dev_attr_node_type,
        &dev_attr_sys_image_guid,
        &dev_attr_node_guid,
-       &dev_attr_node_desc
+       &dev_attr_node_desc,
+       &dev_attr_fw_ver,
 };
 
 static void free_port_list_attributes(struct ib_device *device)