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path: root/drivers/s390/block/dasd_devmap.c
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Diffstat (limited to 'drivers/s390/block/dasd_devmap.c')
-rw-r--r--drivers/s390/block/dasd_devmap.c70
1 files changed, 66 insertions, 4 deletions
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 245f33c2f71e..32fc51341d99 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -1642,6 +1642,35 @@ static DEVICE_ATTR(path_interval, 0644, dasd_path_interval_show,
dasd_path_interval_store);
+#define DASD_DEFINE_ATTR(_name, _func) \
+static ssize_t dasd_##_name##_show(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
+{ \
+ struct ccw_device *cdev = to_ccwdev(dev); \
+ struct dasd_device *device = dasd_device_from_cdev(cdev); \
+ int val = 0; \
+ \
+ if (IS_ERR(device)) \
+ return -ENODEV; \
+ if (device->discipline && _func) \
+ val = _func(device); \
+ dasd_put_device(device); \
+ \
+ return snprintf(buf, PAGE_SIZE, "%d\n", val); \
+} \
+static DEVICE_ATTR(_name, 0444, dasd_##_name##_show, NULL); \
+
+DASD_DEFINE_ATTR(ese, device->discipline->is_ese);
+DASD_DEFINE_ATTR(extent_size, device->discipline->ext_size);
+DASD_DEFINE_ATTR(pool_id, device->discipline->ext_pool_id);
+DASD_DEFINE_ATTR(space_configured, device->discipline->space_configured);
+DASD_DEFINE_ATTR(space_allocated, device->discipline->space_allocated);
+DASD_DEFINE_ATTR(logical_capacity, device->discipline->logical_capacity);
+DASD_DEFINE_ATTR(warn_threshold, device->discipline->ext_pool_warn_thrshld);
+DASD_DEFINE_ATTR(cap_at_warnlevel, device->discipline->ext_pool_cap_at_warnlevel);
+DASD_DEFINE_ATTR(pool_oos, device->discipline->ext_pool_oos);
+
static struct attribute * dasd_attrs[] = {
&dev_attr_readonly.attr,
&dev_attr_discipline.attr,
@@ -1667,6 +1696,7 @@ static struct attribute * dasd_attrs[] = {
&dev_attr_path_interval.attr,
&dev_attr_path_reset.attr,
&dev_attr_hpf.attr,
+ &dev_attr_ese.attr,
NULL,
};
@@ -1674,6 +1704,39 @@ static const struct attribute_group dasd_attr_group = {
.attrs = dasd_attrs,
};
+static struct attribute *capacity_attrs[] = {
+ &dev_attr_space_configured.attr,
+ &dev_attr_space_allocated.attr,
+ &dev_attr_logical_capacity.attr,
+ NULL,
+};
+
+static const struct attribute_group capacity_attr_group = {
+ .name = "capacity",
+ .attrs = capacity_attrs,
+};
+
+static struct attribute *ext_pool_attrs[] = {
+ &dev_attr_pool_id.attr,
+ &dev_attr_extent_size.attr,
+ &dev_attr_warn_threshold.attr,
+ &dev_attr_cap_at_warnlevel.attr,
+ &dev_attr_pool_oos.attr,
+ NULL,
+};
+
+static const struct attribute_group ext_pool_attr_group = {
+ .name = "extent_pool",
+ .attrs = ext_pool_attrs,
+};
+
+static const struct attribute_group *dasd_attr_groups[] = {
+ &dasd_attr_group,
+ &capacity_attr_group,
+ &ext_pool_attr_group,
+ NULL,
+};
+
/*
* Return value of the specified feature.
*/
@@ -1715,16 +1778,15 @@ dasd_set_feature(struct ccw_device *cdev, int feature, int flag)
EXPORT_SYMBOL(dasd_set_feature);
-int
-dasd_add_sysfs_files(struct ccw_device *cdev)
+int dasd_add_sysfs_files(struct ccw_device *cdev)
{
- return sysfs_create_group(&cdev->dev.kobj, &dasd_attr_group);
+ return sysfs_create_groups(&cdev->dev.kobj, dasd_attr_groups);
}
void
dasd_remove_sysfs_files(struct ccw_device *cdev)
{
- sysfs_remove_group(&cdev->dev.kobj, &dasd_attr_group);
+ sysfs_remove_groups(&cdev->dev.kobj, dasd_attr_groups);
}