IB/ipath: Provide I/O bus speeds for diagnostic purposes

[linux-2.6-omap-h63xx.git] / drivers / infiniband / hw / ipath / ipath_sysfs.c

diff --git a/drivers/infiniband/hw/ipath/ipath_sysfs.c b/drivers/infiniband/hw/ipath/ipath_sysfs.c
index 56dfc8a2344c31d7d3d7c18a8c7cb36b302b9a28..bb41c3f6aad38964c80adc0783bfaabfaf92bf02 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_sysfs.c
+++ b/drivers/infiniband/hw/ipath/ipath_sysfs.c
@@ -163,6 +163,15 @@ static ssize_t show_boardversion(struct device *dev,
        return scnprintf(buf, PAGE_SIZE, "%s", dd->ipath_boardversion);
 }
 
+static ssize_t show_localbus_info(struct device *dev,
+                              struct device_attribute *attr,
+                              char *buf)
+{
+       struct ipath_devdata *dd = dev_get_drvdata(dev);
+       /* The string printed here is already newline-terminated. */
+       return scnprintf(buf, PAGE_SIZE, "%s", dd->ipath_lbus_info);
+}
+
 static ssize_t show_lmc(struct device *dev,
                        struct device_attribute *attr,
                        char *buf)
@@ -1011,6 +1020,7 @@ static DEVICE_ATTR(unit, S_IRUGO, show_unit, NULL);
 static DEVICE_ATTR(rx_pol_inv, S_IWUSR, NULL, store_rx_pol_inv);
 static DEVICE_ATTR(led_override, S_IWUSR, NULL, store_led_override);
 static DEVICE_ATTR(logged_errors, S_IRUGO, show_logged_errs, NULL);
+static DEVICE_ATTR(localbus_info, S_IRUGO, show_localbus_info, NULL);
 static DEVICE_ATTR(jint_max_packets, S_IWUSR | S_IRUGO,
                   show_jint_max_packets, store_jint_max_packets);
 static DEVICE_ATTR(jint_idle_ticks, S_IWUSR | S_IRUGO,
@@ -1034,6 +1044,7 @@ static struct attribute *dev_attributes[] = {
        &dev_attr_rx_pol_inv.attr,
        &dev_attr_led_override.attr,
        &dev_attr_logged_errors.attr,
+       &dev_attr_localbus_info.attr,
        NULL
 };