be9d122730
This patch removes all relics of the /proc usage from the Bluetooth subsystem core and its upper layers. All the previous information are now available via /sys/class/bluetooth through appropriate functions. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
155 lines
3.6 KiB
C
155 lines
3.6 KiB
C
/* 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);
|
|
}
|
|
|
|
struct class bt_class = {
|
|
.name = "bluetooth",
|
|
.release = bt_release,
|
|
#ifdef CONFIG_HOTPLUG
|
|
.hotplug = bt_hotplug,
|
|
#endif
|
|
};
|
|
|
|
EXPORT_SYMBOL_GPL(bt_class);
|
|
|
|
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);
|
|
}
|