summaryrefslogtreecommitdiff
path: root/net/bluetooth/hci_sysfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/bluetooth/hci_sysfs.c')
-rw-r--r--net/bluetooth/hci_sysfs.c153
1 files changed, 153 insertions, 0 deletions
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
new file mode 100644
index 000000000000..7856bc26accb
--- /dev/null
+++ b/net/bluetooth/hci_sysfs.c
@@ -0,0 +1,153 @@
+/* Bluetooth HCI driver model support. */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#ifndef CONFIG_BT_HCI_CORE_DEBUG
+#undef BT_DBG
+#define BT_DBG(D...)
+#endif
+
+static ssize_t show_name(struct class_device *cdev, char *buf)
+{
+ struct hci_dev *hdev = class_get_devdata(cdev);
+ return sprintf(buf, "%s\n", hdev->name);
+}
+
+static ssize_t show_type(struct class_device *cdev, char *buf)
+{
+ struct hci_dev *hdev = class_get_devdata(cdev);
+ return sprintf(buf, "%d\n", hdev->type);
+}
+
+static ssize_t show_address(struct class_device *cdev, char *buf)
+{
+ struct hci_dev *hdev = class_get_devdata(cdev);
+ 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)
+{
+ struct hci_dev *hdev = class_get_devdata(cdev);
+ return sprintf(buf, "0x%lx\n", hdev->flags);
+}
+
+static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf)
+{
+ struct hci_dev *hdev = class_get_devdata(cdev);
+ struct inquiry_cache *cache = &hdev->inq_cache;
+ struct inquiry_entry *e;
+ int n = 0;
+
+ hci_dev_lock_bh(hdev);
+
+ for (e = cache->list; e; e = e->next) {
+ struct inquiry_data *data = &e->data;
+ bdaddr_t bdaddr;
+ baswap(&bdaddr, &data->bdaddr);
+ n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %u\n",
+ batostr(&bdaddr),
+ data->pscan_rep_mode, data->pscan_period_mode, data->pscan_mode,
+ data->dev_class[2], data->dev_class[1], data->dev_class[0],
+ __le16_to_cpu(data->clock_offset), data->rssi, e->timestamp);
+ }
+
+ hci_dev_unlock_bh(hdev);
+ return n;
+}
+
+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 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,
+ NULL
+};
+
+#ifdef CONFIG_HOTPLUG
+static int bt_hotplug(struct class_device *cdev, char **envp, int num_envp, char *buf, int size)
+{
+ 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;
+}
+#endif
+
+static void bt_release(struct class_device *cdev)
+{
+ struct hci_dev *hdev = class_get_devdata(cdev);
+
+ kfree(hdev);
+}
+
+static struct class bt_class = {
+ .name = "bluetooth",
+ .release = bt_release,
+#ifdef CONFIG_HOTPLUG
+ .hotplug = bt_hotplug,
+#endif
+};
+
+int hci_register_sysfs(struct hci_dev *hdev)
+{
+ struct class_device *cdev = &hdev->class_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);
+
+ strlcpy(cdev->class_id, hdev->name, BUS_ID_SIZE);
+ err = class_device_register(cdev);
+ if (err < 0)
+ return err;
+
+ for (i = 0; bt_attrs[i]; i++)
+ class_device_create_file(cdev, bt_attrs[i]);
+
+ 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);
+}
+
+int __init bt_sysfs_init(void)
+{
+ return class_register(&bt_class);
+}
+
+void __exit bt_sysfs_cleanup(void)
+{
+ class_unregister(&bt_class);
+}