/* Bluetooth HCI driver model support. */
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <linux/init.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-struct class *bt_class = NULL;
-EXPORT_SYMBOL_GPL(bt_class);
+static struct class *bt_class;
-static struct workqueue_struct *bluetooth;
+struct dentry *bt_debugfs = NULL;
+EXPORT_SYMBOL_GPL(bt_debugfs);
+
+static struct workqueue_struct *bt_workq;
static inline char *link_typetostr(int type)
{
.attrs = bt_link_attrs,
};
-static struct attribute_group *bt_link_groups[] = {
+static const struct attribute_group *bt_link_groups[] = {
&bt_link_group,
NULL
};
static void add_conn(struct work_struct *work)
{
struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
-
- /* ensure previous add/del is complete */
- flush_workqueue(bluetooth);
-
- if (device_add(&conn->dev) < 0) {
- BT_ERR("Failed to register connection device");
- return;
- }
-}
-
-void hci_conn_add_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;
-
dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
dev_set_drvdata(&conn->dev, conn);
- device_initialize(&conn->dev);
-
- INIT_WORK(&conn->work_add, add_conn);
+ if (device_add(&conn->dev) < 0) {
+ BT_ERR("Failed to register connection device");
+ return;
+ }
- queue_work(bluetooth, &conn->work_add);
+ hci_dev_hold(hdev);
}
/*
struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
struct hci_dev *hdev = conn->hdev;
- /* ensure previous add/del is complete */
- flush_workqueue(bluetooth);
+ if (!device_is_registered(&conn->dev))
+ return;
while (1) {
struct device *dev;
device_del(&conn->dev);
put_device(&conn->dev);
+
hci_dev_put(hdev);
}
-void hci_conn_del_sysfs(struct hci_conn *conn)
+void hci_conn_init_sysfs(struct hci_conn *conn)
{
+ struct hci_dev *hdev = conn->hdev;
+
BT_DBG("conn %p", conn);
- if (!device_is_registered(&conn->dev))
- return;
+ 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);
+}
- queue_work(bluetooth, &conn->work_del);
+void hci_conn_add_sysfs(struct hci_conn *conn)
+{
+ BT_DBG("conn %p", conn);
+
+ queue_work(bt_workq, &conn->work_add);
}
-static inline char *host_typetostr(int type)
+void hci_conn_del_sysfs(struct hci_conn *conn)
{
- switch (type) {
+ BT_DBG("conn %p", conn);
+
+ queue_work(bt_workq, &conn->work_del);
+}
+
+static inline char *host_bustostr(int bus)
+{
+ switch (bus) {
case HCI_VIRTUAL:
return "VIRTUAL";
case HCI_USB:
}
}
+static inline char *host_typetostr(int type)
+{
+ switch (type) {
+ case HCI_BREDR:
+ return "BR/EDR";
+ case HCI_80211:
+ return "802.11";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+static ssize_t show_bus(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct hci_dev *hdev = dev_get_drvdata(dev);
+ return sprintf(buf, "%s\n", host_bustostr(hdev->bus));
+}
+
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", host_typetostr(hdev->type));
+ return sprintf(buf, "%s\n", host_typetostr(hdev->dev_type));
}
static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
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;
-
- 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 %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, data->ssp_mode, e->timestamp);
- }
-
- hci_dev_unlock_bh(hdev);
- return n;
-}
-
static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = dev_get_drvdata(dev);
return count;
}
+static DEVICE_ATTR(bus, S_IRUGO, show_bus, NULL);
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(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);
show_sniff_min_interval, store_sniff_min_interval);
static struct attribute *bt_host_attrs[] = {
+ &dev_attr_bus.attr,
&dev_attr_type.attr,
&dev_attr_name.attr,
&dev_attr_class.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,
.attrs = bt_host_attrs,
};
-static struct attribute_group *bt_host_groups[] = {
+static const struct attribute_group *bt_host_groups[] = {
&bt_host_group,
NULL
};
.release = bt_host_release,
};
+static int inquiry_cache_show(struct seq_file *f, void *p)
+{
+ struct hci_dev *hdev = f->private;
+ struct inquiry_cache *cache = &hdev->inq_cache;
+ struct inquiry_entry *e;
+
+ 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);
+ seq_printf(f, "%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, data->ssp_mode, e->timestamp);
+ }
+
+ hci_dev_unlock_bh(hdev);
+
+ return 0;
+}
+
+static int inquiry_cache_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, inquiry_cache_show, inode->i_private);
+}
+
+static const struct file_operations inquiry_cache_fops = {
+ .open = inquiry_cache_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
int hci_register_sysfs(struct hci_dev *hdev)
{
struct device *dev = &hdev->dev;
int err;
- BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
+ BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
dev->type = &bt_host;
dev->class = bt_class;
if (err < 0)
return err;
+ if (!bt_debugfs)
+ return 0;
+
+ hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);
+ if (!hdev->debugfs)
+ return 0;
+
+ debugfs_create_file("inquiry_cache", 0444, hdev->debugfs,
+ hdev, &inquiry_cache_fops);
+
return 0;
}
void hci_unregister_sysfs(struct hci_dev *hdev)
{
- BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
+ BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
+
+ debugfs_remove_recursive(hdev->debugfs);
device_del(&hdev->dev);
}
int __init bt_sysfs_init(void)
{
- bluetooth = create_singlethread_workqueue("bluetooth");
- if (!bluetooth)
+ bt_workq = create_singlethread_workqueue("bluetooth");
+ if (!bt_workq)
return -ENOMEM;
+ bt_debugfs = debugfs_create_dir("bluetooth", NULL);
+
bt_class = class_create(THIS_MODULE, "bluetooth");
if (IS_ERR(bt_class)) {
- destroy_workqueue(bluetooth);
+ destroy_workqueue(bt_workq);
return PTR_ERR(bt_class);
}
void bt_sysfs_cleanup(void)
{
- destroy_workqueue(bluetooth);
-
class_destroy(bt_class);
+
+ debugfs_remove_recursive(bt_debugfs);
+
+ destroy_workqueue(bt_workq);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff