diff options
Diffstat (limited to 'drivers/s390/block/dasd_devmap.c')
-rw-r--r-- | drivers/s390/block/dasd_devmap.c | 70 |
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); } |