#undef BT_DBG
#define BT_DBG(D...)
#endif
+static struct workqueue_struct *btaddconn;
+static struct workqueue_struct *btdelconn;
-static ssize_t show_name(struct class_device *cdev, char *buf)
+static inline char *typetostr(int type)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
- return sprintf(buf, "%s\n", hdev->name);
+ switch (type) {
+ case HCI_VIRTUAL:
+ return "VIRTUAL";
+ case HCI_USB:
+ return "USB";
+ case HCI_PCCARD:
+ return "PCCARD";
+ case HCI_UART:
+ return "UART";
+ case HCI_RS232:
+ return "RS232";
+ case HCI_PCI:
+ return "PCI";
+ case HCI_SDIO:
+ return "SDIO";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ return sprintf(buf, "%s\n", typetostr(hdev->type));
}
-static ssize_t show_type(struct class_device *cdev, char *buf)
+static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
- return sprintf(buf, "%d\n", hdev->type);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ char name[249];
+ int i;
+
+ for (i = 0; i < 248; i++)
+ name[i] = hdev->dev_name[i];
+
+ name[248] = '\0';
+ return sprintf(buf, "%s\n", name);
}
-static ssize_t show_address(struct class_device *cdev, char *buf)
+static ssize_t show_class(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ return sprintf(buf, "0x%.2x%.2x%.2x\n",
+ hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
+}
+
+static ssize_t show_address(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
bdaddr_t bdaddr;
baswap(&bdaddr, &hdev->bdaddr);
return sprintf(buf, "%s\n", batostr(&bdaddr));
}
-static ssize_t show_flags(struct class_device *cdev, char *buf)
+static ssize_t show_features(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+
+ return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
+ hdev->features[0], hdev->features[1],
+ hdev->features[2], hdev->features[3],
+ hdev->features[4], hdev->features[5],
+ hdev->features[6], hdev->features[7]);
+}
+
+static ssize_t show_manufacturer(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ return sprintf(buf, "%d\n", hdev->manufacturer);
+}
+
+static ssize_t show_hci_version(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
- return sprintf(buf, "0x%lx\n", hdev->flags);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ return sprintf(buf, "%d\n", hdev->hci_ver);
}
-static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf)
+static ssize_t show_hci_revision(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ return sprintf(buf, "%d\n", hdev->hci_rev);
+}
+
+static ssize_t show_inquiry_cache(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
struct inquiry_cache *cache = &hdev->inq_cache;
struct inquiry_entry *e;
int n = 0;
return n;
}
-static ssize_t show_idle_timeout(struct class_device *cdev, char *buf)
+static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", hdev->idle_timeout);
}
-static ssize_t store_idle_timeout(struct class_device *cdev, const char *buf, size_t count)
+static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
char *ptr;
__u32 val;
return count;
}
-static ssize_t show_sniff_max_interval(struct class_device *cdev, char *buf)
+static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", hdev->sniff_max_interval);
}
-static ssize_t store_sniff_max_interval(struct class_device *cdev, const char *buf, size_t count)
+static ssize_t store_sniff_max_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
char *ptr;
__u16 val;
return count;
}
-static ssize_t show_sniff_min_interval(struct class_device *cdev, char *buf)
+static ssize_t show_sniff_min_interval(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", hdev->sniff_min_interval);
}
-static ssize_t store_sniff_min_interval(struct class_device *cdev, const char *buf, size_t count)
+static ssize_t store_sniff_min_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
+ struct hci_dev *hdev = dev_get_drvdata(dev);
char *ptr;
__u16 val;
return count;
}
-static CLASS_DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-static CLASS_DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
-static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
-static CLASS_DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL);
-static CLASS_DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
-
-static CLASS_DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+static DEVICE_ATTR(class, S_IRUGO, show_class, NULL);
+static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
+static DEVICE_ATTR(features, S_IRUGO, show_features, NULL);
+static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL);
+static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL);
+static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL);
+static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
+
+static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
show_idle_timeout, store_idle_timeout);
-static CLASS_DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
show_sniff_max_interval, store_sniff_max_interval);
-static CLASS_DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
show_sniff_min_interval, store_sniff_min_interval);
-static struct class_device_attribute *bt_attrs[] = {
- &class_device_attr_name,
- &class_device_attr_type,
- &class_device_attr_address,
- &class_device_attr_flags,
- &class_device_attr_inquiry_cache,
- &class_device_attr_idle_timeout,
- &class_device_attr_sniff_max_interval,
- &class_device_attr_sniff_min_interval,
+static struct device_attribute *bt_attrs[] = {
+ &dev_attr_type,
+ &dev_attr_name,
+ &dev_attr_class,
+ &dev_attr_address,
+ &dev_attr_features,
+ &dev_attr_manufacturer,
+ &dev_attr_hci_version,
+ &dev_attr_hci_revision,
+ &dev_attr_inquiry_cache,
+ &dev_attr_idle_timeout,
+ &dev_attr_sniff_max_interval,
+ &dev_attr_sniff_min_interval,
NULL
};
-#ifdef CONFIG_HOTPLUG
-static int bt_uevent(struct class_device *cdev, char **envp, int num_envp, char *buf, int size)
+static ssize_t show_conn_type(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
- int n, i = 0;
-
- envp[i++] = buf;
- n = snprintf(buf, size, "INTERFACE=%s", hdev->name) + 1;
- buf += n;
- size -= n;
-
- if ((size <= 0) || (i >= num_envp))
- return -ENOMEM;
-
- envp[i] = NULL;
- return 0;
+ struct hci_conn *conn = dev_get_drvdata(dev);
+ return sprintf(buf, "%s\n", conn->type == ACL_LINK ? "ACL" : "SCO");
}
-#endif
-static void bt_release(struct class_device *cdev)
+static ssize_t show_conn_address(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_dev *hdev = class_get_devdata(cdev);
-
- kfree(hdev);
+ struct hci_conn *conn = dev_get_drvdata(dev);
+ bdaddr_t bdaddr;
+ baswap(&bdaddr, &conn->dst);
+ return sprintf(buf, "%s\n", batostr(&bdaddr));
}
-struct class bt_class = {
- .name = "bluetooth",
- .release = bt_release,
-#ifdef CONFIG_HOTPLUG
- .uevent = bt_uevent,
-#endif
+#define CONN_ATTR(_name,_mode,_show,_store) \
+struct device_attribute conn_attr_##_name = __ATTR(_name,_mode,_show,_store)
+
+static CONN_ATTR(type, S_IRUGO, show_conn_type, NULL);
+static CONN_ATTR(address, S_IRUGO, show_conn_address, NULL);
+
+static struct device_attribute *conn_attrs[] = {
+ &conn_attr_type,
+ &conn_attr_address,
+ NULL
};
+
+struct class *bt_class = NULL;
EXPORT_SYMBOL_GPL(bt_class);
static struct bus_type bt_bus = {
static struct platform_device *bt_platform;
+static void bt_release(struct device *dev)
+{
+ void *data = dev_get_drvdata(dev);
+ kfree(data);
+}
+
+static void add_conn(struct work_struct *work)
+{
+ struct hci_conn *conn = container_of(work, struct hci_conn, work);
+ int i;
+
+ flush_workqueue(btdelconn);
+
+ if (device_add(&conn->dev) < 0) {
+ BT_ERR("Failed to register connection device");
+ return;
+ }
+
+ for (i = 0; conn_attrs[i]; i++)
+ if (device_create_file(&conn->dev, conn_attrs[i]) < 0)
+ BT_ERR("Failed to create connection attribute");
+}
+
+void hci_conn_add_sysfs(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+ bdaddr_t *ba = &conn->dst;
+
+ BT_DBG("conn %p", conn);
+
+ conn->dev.bus = &bt_bus;
+ conn->dev.parent = &hdev->dev;
+
+ conn->dev.release = bt_release;
+
+ snprintf(conn->dev.bus_id, BUS_ID_SIZE,
+ "%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
+ conn->type == ACL_LINK ? "acl" : "sco",
+ ba->b[5], ba->b[4], ba->b[3],
+ ba->b[2], ba->b[1], ba->b[0]);
+
+ dev_set_drvdata(&conn->dev, conn);
+
+ device_initialize(&conn->dev);
+
+ INIT_WORK(&conn->work, add_conn);
+
+ queue_work(btaddconn, &conn->work);
+}
+
+/*
+ * The rfcomm tty device will possibly retain even when conn
+ * is down, and sysfs doesn't support move zombie device,
+ * so we should move the device before conn device is destroyed.
+ */
+static int __match_tty(struct device *dev, void *data)
+{
+ return !strncmp(dev->bus_id, "rfcomm", 6);
+}
+
+static void del_conn(struct work_struct *work)
+{
+ struct hci_conn *conn = container_of(work, struct hci_conn, work);
+ struct hci_dev *hdev = conn->hdev;
+
+ while (1) {
+ struct device *dev;
+
+ dev = device_find_child(&conn->dev, NULL, __match_tty);
+ if (!dev)
+ break;
+ device_move(dev, NULL);
+ put_device(dev);
+ }
+
+ device_del(&conn->dev);
+ put_device(&conn->dev);
+ hci_dev_put(hdev);
+}
+
+void hci_conn_del_sysfs(struct hci_conn *conn)
+{
+ BT_DBG("conn %p", conn);
+
+ if (!device_is_registered(&conn->dev))
+ return;
+
+ INIT_WORK(&conn->work, del_conn);
+
+ queue_work(btdelconn, &conn->work);
+}
+
int hci_register_sysfs(struct hci_dev *hdev)
{
- struct class_device *cdev = &hdev->class_dev;
+ struct device *dev = &hdev->dev;
unsigned int i;
int err;
BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
- cdev->class = &bt_class;
- class_set_devdata(cdev, hdev);
+ dev->bus = &bt_bus;
+ dev->parent = hdev->parent;
+
+ strlcpy(dev->bus_id, hdev->name, BUS_ID_SIZE);
- if (!cdev->dev)
- cdev->dev = &bt_platform->dev;
+ dev->release = bt_release;
- hdev->dev = cdev->dev;
+ dev_set_drvdata(dev, hdev);
- strlcpy(cdev->class_id, hdev->name, BUS_ID_SIZE);
- err = class_device_register(cdev);
+ err = device_register(dev);
if (err < 0)
return err;
for (i = 0; bt_attrs[i]; i++)
- class_device_create_file(cdev, bt_attrs[i]);
+ if (device_create_file(dev, bt_attrs[i]) < 0)
+ BT_ERR("Failed to create device attribute");
+
+ if (sysfs_create_link(&bt_class->subsys.kobj,
+ &dev->kobj, kobject_name(&dev->kobj)) < 0)
+ BT_ERR("Failed to create class symlink");
return 0;
}
void hci_unregister_sysfs(struct hci_dev *hdev)
{
- struct class_device * cdev = &hdev->class_dev;
-
BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
- class_device_del(cdev);
+ sysfs_remove_link(&bt_class->subsys.kobj,
+ kobject_name(&hdev->dev.kobj));
+
+ device_del(&hdev->dev);
}
int __init bt_sysfs_init(void)
{
int err;
+ btaddconn = create_singlethread_workqueue("btaddconn");
+ if (!btaddconn) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ btdelconn = create_singlethread_workqueue("btdelconn");
+ if (!btdelconn) {
+ err = -ENOMEM;
+ goto out_del;
+ }
+
bt_platform = platform_device_register_simple("bluetooth", -1, NULL, 0);
- if (IS_ERR(bt_platform))
- return PTR_ERR(bt_platform);
+ if (IS_ERR(bt_platform)) {
+ err = PTR_ERR(bt_platform);
+ goto out_platform;
+ }
err = bus_register(&bt_bus);
- if (err < 0) {
- platform_device_unregister(bt_platform);
- return err;
- }
+ if (err < 0)
+ goto out_bus;
- err = class_register(&bt_class);
- if (err < 0) {
- bus_unregister(&bt_bus);
- platform_device_unregister(bt_platform);
- return err;
+ bt_class = class_create(THIS_MODULE, "bluetooth");
+ if (IS_ERR(bt_class)) {
+ err = PTR_ERR(bt_class);
+ goto out_class;
}
return 0;
+
+out_class:
+ bus_unregister(&bt_bus);
+out_bus:
+ platform_device_unregister(bt_platform);
+out_platform:
+ destroy_workqueue(btdelconn);
+out_del:
+ destroy_workqueue(btaddconn);
+out:
+ return err;
}
-void __exit bt_sysfs_cleanup(void)
+void bt_sysfs_cleanup(void)
{
- class_unregister(&bt_class);
+ destroy_workqueue(btaddconn);
+
+ destroy_workqueue(btdelconn);
+
+ class_destroy(bt_class);
bus_unregister(&bt_bus);