diff options
author | Johan Hedberg <johan.hedberg@nokia.com> | 2011-01-04 11:39:44 +0200 |
---|---|---|
committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-02-08 01:40:06 -0200 |
commit | 930e13363fb0e94db6e8b59c54dfb5c59355113e (patch) | |
tree | 09153ad2a38045a9758abed08f195e5ad27e669a | |
parent | 2aeb9a1ae0e34fb46cb78b82f827a6a54ab65111 (diff) | |
download | kernel_samsung_smdk4412-930e13363fb0e94db6e8b59c54dfb5c59355113e.zip kernel_samsung_smdk4412-930e13363fb0e94db6e8b59c54dfb5c59355113e.tar.gz kernel_samsung_smdk4412-930e13363fb0e94db6e8b59c54dfb5c59355113e.tar.bz2 |
Bluetooth: Implement debugfs support for listing UUIDs
This patch adds a debugfs entry to list the UUIDs that have been
registered through the management interface.
Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
-rw-r--r-- | net/bluetooth/hci_sysfs.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 5fce3d6..23471dd 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -461,6 +461,56 @@ static const struct file_operations blacklist_fops = { .llseek = seq_lseek, .release = single_release, }; + +static void print_bt_uuid(struct seq_file *f, u8 *uuid) +{ + u32 data0, data4; + u16 data1, data2, data3, data5; + + memcpy(&data0, &uuid[0], 4); + memcpy(&data1, &uuid[4], 2); + memcpy(&data2, &uuid[6], 2); + memcpy(&data3, &uuid[8], 2); + memcpy(&data4, &uuid[10], 4); + memcpy(&data5, &uuid[14], 2); + + seq_printf(f, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x\n", + ntohl(data0), ntohs(data1), ntohs(data2), + ntohs(data3), ntohl(data4), ntohs(data5)); +} + +static int uuids_show(struct seq_file *f, void *p) +{ + struct hci_dev *hdev = f->private; + struct list_head *l; + + hci_dev_lock_bh(hdev); + + list_for_each(l, &hdev->uuids) { + struct bt_uuid *uuid; + + uuid = list_entry(l, struct bt_uuid, list); + + print_bt_uuid(f, uuid->uuid); + } + + hci_dev_unlock_bh(hdev); + + return 0; +} + +static int uuids_open(struct inode *inode, struct file *file) +{ + return single_open(file, uuids_show, inode->i_private); +} + +static const struct file_operations uuids_fops = { + .open = uuids_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + int hci_register_sysfs(struct hci_dev *hdev) { struct device *dev = &hdev->dev; @@ -493,6 +543,8 @@ int hci_register_sysfs(struct hci_dev *hdev) debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev, &blacklist_fops); + debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops); + return 0; } |