/* 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
+struct class *bt_class = NULL;
+EXPORT_SYMBOL_GPL(bt_class);
+
+static struct workqueue_struct *bt_workq;
+
+static inline char *link_typetostr(int type)
+{
+ switch (type) {
+ case ACL_LINK:
+ return "ACL";
+ case SCO_LINK:
+ return "SCO";
+ case ESCO_LINK:
+ return "eSCO";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+static ssize_t show_link_type(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_conn *conn = dev_get_drvdata(dev);
+ return sprintf(buf, "%s\n", link_typetostr(conn->type));
+}
+
+static ssize_t show_link_address(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_conn *conn = dev_get_drvdata(dev);
+ bdaddr_t bdaddr;
+ baswap(&bdaddr, &conn->dst);
+ return sprintf(buf, "%s\n", batostr(&bdaddr));
+}
+
+static ssize_t show_link_features(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_conn *conn = dev_get_drvdata(dev);
+
+ return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
+ conn->features[0], conn->features[1],
+ conn->features[2], conn->features[3],
+ conn->features[4], conn->features[5],
+ conn->features[6], conn->features[7]);
+}
+
+#define LINK_ATTR(_name,_mode,_show,_store) \
+struct device_attribute link_attr_##_name = __ATTR(_name,_mode,_show,_store)
+
+static LINK_ATTR(type, S_IRUGO, show_link_type, NULL);
+static LINK_ATTR(address, S_IRUGO, show_link_address, NULL);
+static LINK_ATTR(features, S_IRUGO, show_link_features, NULL);
+
+static struct attribute *bt_link_attrs[] = {
+ &link_attr_type.attr,
+ &link_attr_address.attr,
+ &link_attr_features.attr,
+ NULL
+};
+
+static struct attribute_group bt_link_group = {
+ .attrs = bt_link_attrs,
+};
+
+static const struct attribute_group *bt_link_groups[] = {
+ &bt_link_group,
+ NULL
+};
+
+static void bt_link_release(struct device *dev)
+{
+ void *data = dev_get_drvdata(dev);
+ kfree(data);
+}
+
+static struct device_type bt_link = {
+ .name = "link",
+ .groups = bt_link_groups,
+ .release = bt_link_release,
+};
+
+static void add_conn(struct work_struct *work)
+{
+ struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
+ struct hci_dev *hdev = conn->hdev;
+
+ dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
+
+ dev_set_drvdata(&conn->dev, conn);
+
+ if (device_add(&conn->dev) < 0) {
+ BT_ERR("Failed to register connection device");
+ return;
+ }
+
+ hci_dev_hold(hdev);
+}
+
+/*
+ * 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_name(dev), "rfcomm", 6);
+}
+
+static void del_conn(struct work_struct *work)
+{
+ struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
+ struct hci_dev *hdev = conn->hdev;
+
+ if (!device_is_registered(&conn->dev))
+ return;
+
+ while (1) {
+ struct device *dev;
+
+ dev = device_find_child(&conn->dev, NULL, __match_tty);
+ if (!dev)
+ break;
+ device_move(dev, NULL, DPM_ORDER_DEV_LAST);
+ put_device(dev);
+ }
+
+ device_del(&conn->dev);
+ put_device(&conn->dev);
+
+ hci_dev_put(hdev);
+}
+
+void hci_conn_init_sysfs(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+
+ BT_DBG("conn %p", conn);
+
+ conn->dev.type = &bt_link;
+ conn->dev.class = bt_class;
+ conn->dev.parent = &hdev->dev;
+
+ device_initialize(&conn->dev);
+
+ INIT_WORK(&conn->work_add, add_conn);
+ INIT_WORK(&conn->work_del, del_conn);
+}
+
+void hci_conn_add_sysfs(struct hci_conn *conn)
+{
+ BT_DBG("conn %p", conn);
+
+ queue_work(bt_workq, &conn->work_add);
+}
+
+void hci_conn_del_sysfs(struct hci_conn *conn)
+{
+ BT_DBG("conn %p", conn);
-static ssize_t show_name(struct class_device *cdev, char *buf)
+ queue_work(bt_workq, &conn->work_del);
+}
+
+static inline char *host_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 class_device *cdev, char *buf)
+static ssize_t show_type(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);
+ return sprintf(buf, "%s\n", host_typetostr(hdev->type));
}
-static ssize_t show_address(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);
+ 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_class(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ 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 = 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->manufacturer);
}
-static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf)
+static ssize_t show_hci_version(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_ver);
+}
+
+static ssize_t show_hci_revision(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ 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;
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",
+ n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %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);
+ 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, data->ssp_mode, 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 ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ return sprintf(buf, "%d\n", hdev->idle_timeout);
+}
-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
-};
+static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ char *ptr;
+ __u32 val;
+
+ val = simple_strtoul(buf, &ptr, 10);
+ if (ptr == buf)
+ return -EINVAL;
+
+ if (val != 0 && (val < 500 || val > 3600000))
+ return -EINVAL;
+
+ hdev->idle_timeout = val;
+
+ return count;
+}
+
+static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ return sprintf(buf, "%d\n", hdev->sniff_max_interval);
+}
-#ifdef CONFIG_HOTPLUG
-static int bt_hotplug(struct class_device *cdev, char **envp, int num_envp, char *buf, int size)
+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);
- int n, i = 0;
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ char *ptr;
+ __u16 val;
- envp[i++] = buf;
- n = snprintf(buf, size, "INTERFACE=%s", hdev->name) + 1;
- buf += n;
- size -= n;
+ val = simple_strtoul(buf, &ptr, 10);
+ if (ptr == buf)
+ return -EINVAL;
- if ((size <= 0) || (i >= num_envp))
- return -ENOMEM;
+ if (val < 0x0002 || val > 0xFFFE || val % 2)
+ return -EINVAL;
- envp[i] = NULL;
- return 0;
+ if (val < hdev->sniff_min_interval)
+ return -EINVAL;
+
+ hdev->sniff_max_interval = val;
+
+ return count;
}
-#endif
-static void bt_release(struct class_device *cdev)
+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 device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ char *ptr;
+ __u16 val;
+
+ val = simple_strtoul(buf, &ptr, 10);
+ if (ptr == buf)
+ return -EINVAL;
- kfree(hdev);
+ if (val < 0x0002 || val > 0xFFFE || val % 2)
+ return -EINVAL;
+
+ if (val > hdev->sniff_max_interval)
+ return -EINVAL;
+
+ hdev->sniff_min_interval = val;
+
+ return count;
}
-struct class bt_class = {
- .name = "bluetooth",
- .release = bt_release,
-#ifdef CONFIG_HOTPLUG
- .hotplug = bt_hotplug,
-#endif
+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 DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
+ show_sniff_max_interval, store_sniff_max_interval);
+static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
+ show_sniff_min_interval, store_sniff_min_interval);
+
+static struct attribute *bt_host_attrs[] = {
+ &dev_attr_type.attr,
+ &dev_attr_name.attr,
+ &dev_attr_class.attr,
+ &dev_attr_address.attr,
+ &dev_attr_features.attr,
+ &dev_attr_manufacturer.attr,
+ &dev_attr_hci_version.attr,
+ &dev_attr_hci_revision.attr,
+ &dev_attr_inquiry_cache.attr,
+ &dev_attr_idle_timeout.attr,
+ &dev_attr_sniff_max_interval.attr,
+ &dev_attr_sniff_min_interval.attr,
+ NULL
};
-EXPORT_SYMBOL_GPL(bt_class);
+static struct attribute_group bt_host_group = {
+ .attrs = bt_host_attrs,
+};
+
+static const struct attribute_group *bt_host_groups[] = {
+ &bt_host_group,
+ NULL
+};
+
+static void bt_host_release(struct device *dev)
+{
+ void *data = dev_get_drvdata(dev);
+ kfree(data);
+}
+
+static struct device_type bt_host = {
+ .name = "host",
+ .groups = bt_host_groups,
+ .release = bt_host_release,
+};
int hci_register_sysfs(struct hci_dev *hdev)
{
- struct class_device *cdev = &hdev->class_dev;
- unsigned int i;
+ struct device *dev = &hdev->dev;
int err;
BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
- cdev->class = &bt_class;
- class_set_devdata(cdev, hdev);
+ dev->type = &bt_host;
+ dev->class = bt_class;
+ dev->parent = hdev->parent;
+
+ dev_set_name(dev, "%s", hdev->name);
+
+ 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]);
-
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);
+ device_del(&hdev->dev);
}
int __init bt_sysfs_init(void)
{
- return class_register(&bt_class);
+ bt_workq = create_singlethread_workqueue("bluetooth");
+ if (!bt_workq)
+ return -ENOMEM;
+
+ bt_class = class_create(THIS_MODULE, "bluetooth");
+ if (IS_ERR(bt_class)) {
+ destroy_workqueue(bt_workq);
+ return PTR_ERR(bt_class);
+ }
+
+ return 0;
}
-void __exit bt_sysfs_cleanup(void)
+void bt_sysfs_cleanup(void)
{
- class_unregister(&bt_class);
+ destroy_workqueue(bt_workq);
+
+ class_destroy(bt_class);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff