static ssize_t device_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
return sprintf(buf, "0x%04x\n", dev->id.device);
}
+static DEVICE_ATTR_RO(device);
+
static ssize_t vendor_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
return sprintf(buf, "0x%04x\n", dev->id.vendor);
}
+static DEVICE_ATTR_RO(vendor);
+
static ssize_t status_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
return sprintf(buf, "0x%08x\n", dev->config->get_status(dev));
}
+static DEVICE_ATTR_RO(status);
+
static ssize_t modalias_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
-
+ struct virtio_device *dev = dev_to_virtio(_d);
return sprintf(buf, "virtio:d%08Xv%08X\n",
dev->id.device, dev->id.vendor);
}
+static DEVICE_ATTR_RO(modalias);
+
static ssize_t features_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d, struct virtio_device, dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
unsigned int i;
ssize_t len = 0;
len += sprintf(buf+len, "\n");
return len;
}
-static struct device_attribute virtio_dev_attrs[] = {
- __ATTR_RO(device),
- __ATTR_RO(vendor),
- __ATTR_RO(status),
- __ATTR_RO(modalias),
- __ATTR_RO(features),
- __ATTR_NULL
+static DEVICE_ATTR_RO(features);
+
+static struct attribute *virtio_dev_attrs[] = {
+ &dev_attr_device.attr,
+ &dev_attr_vendor.attr,
+ &dev_attr_status.attr,
+ &dev_attr_modalias.attr,
+ &dev_attr_features.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(virtio_dev);
static inline int virtio_id_match(const struct virtio_device *dev,
const struct virtio_device_id *id)
static int virtio_dev_match(struct device *_dv, struct device_driver *_dr)
{
unsigned int i;
- struct virtio_device *dev = container_of(_dv,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_dv);
const struct virtio_device_id *ids;
- ids = container_of(_dr, struct virtio_driver, driver)->id_table;
+ ids = drv_to_virtio(_dr)->id_table;
for (i = 0; ids[i].device; i++)
if (virtio_id_match(dev, &ids[i]))
return 1;
static int virtio_uevent(struct device *_dv, struct kobj_uevent_env *env)
{
- struct virtio_device *dev = container_of(_dv,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_dv);
return add_uevent_var(env, "MODALIAS=virtio:d%08Xv%08X",
dev->id.device, dev->id.vendor);
unsigned int fbit)
{
unsigned int i;
- struct virtio_driver *drv = container_of(vdev->dev.driver,
- struct virtio_driver, driver);
+ struct virtio_driver *drv = drv_to_virtio(vdev->dev.driver);
for (i = 0; i < drv->feature_table_size; i++)
if (drv->feature_table[i] == fbit)
static int virtio_dev_probe(struct device *_d)
{
int err, i;
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
- struct virtio_driver *drv = container_of(dev->dev.driver,
- struct virtio_driver, driver);
+ struct virtio_device *dev = dev_to_virtio(_d);
+ struct virtio_driver *drv = drv_to_virtio(dev->dev.driver);
u32 device_features;
/* We have a driver! */
static int virtio_dev_remove(struct device *_d)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
- struct virtio_driver *drv = container_of(dev->dev.driver,
- struct virtio_driver, driver);
+ struct virtio_device *dev = dev_to_virtio(_d);
+ struct virtio_driver *drv = drv_to_virtio(dev->dev.driver);
drv->remove(dev);
static struct bus_type virtio_bus = {
.name = "virtio",
.match = virtio_dev_match,
- .dev_attrs = virtio_dev_attrs,
+ .dev_groups = virtio_dev_groups,
.uevent = virtio_uevent,
.probe = virtio_dev_probe,
.remove = virtio_dev_remove,