[net-next-2.6.git] / net / bluetooth / hci_sysfs.c

/* Bluetooth HCI driver model support. */

#include <linux/kernel.h>
#include <linux/init.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

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 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;

	/* ensure previous del is complete */
	flush_work(&conn->work_del);

	dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);

	if (device_add(&conn->dev) < 0) {
		BT_ERR("Failed to register connection device");
		return;
	}
}

/*
 * 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;

	/* ensure previous add is complete */
	flush_work(&conn->work_add);

	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;

	dev_set_drvdata(&conn->dev, conn);

	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);

	queue_work(bt_workq, &conn->work_del);
}

static inline char *host_typetostr(int type)
{
	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 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));
}

static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
{
	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_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 = dev_get_drvdata(dev);
	return sprintf(buf, "%d\n", hdev->manufacturer);
}

static ssize_t show_hci_version(struct device *dev, struct device_attribute *attr, char *buf)
{
	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;

	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 sprintf(buf, "%d\n", hdev->idle_timeout);
}

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);
}

static ssize_t store_sniff_max_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;

	if (val < 0x0002 || val > 0xFFFE || val % 2)
		return -EINVAL;

	if (val < hdev->sniff_min_interval)
		return -EINVAL;

	hdev->sniff_max_interval = val;

	return count;
}

static ssize_t show_sniff_min_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_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;

	if (val < 0x0002 || val > 0xFFFE || val % 2)
		return -EINVAL;

	if (val > hdev->sniff_max_interval)
		return -EINVAL;

	hdev->sniff_min_interval = val;

	return count;
}

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
};

static struct attribute_group bt_host_group = {
	.attrs = bt_host_attrs,
};

static 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 device *dev = &hdev->dev;
	int err;

	BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);

	dev->type = &bt_host;
	dev->class = bt_class;
	dev->parent = hdev->parent;

	dev_set_name(dev, "%s", hdev->name);

	dev_set_drvdata(dev, hdev);

	err = device_register(dev);
	if (err < 0)
		return err;

	return 0;
}

void hci_unregister_sysfs(struct hci_dev *hdev)
{
	BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);

	device_del(&hdev->dev);
}

int __init bt_sysfs_init(void)
{
	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 bt_sysfs_cleanup(void)
{
	destroy_workqueue(bt_workq);

	class_destroy(bt_class);
}
Commit	Line	Data
1da177e4 LT	1	/* Bluetooth HCI driver model support. */
1da177e4 LT	2
1da177e4 LT	3	#include <linux/kernel.h>
	4	#include <linux/init.h>
	5
	6	#include <net/bluetooth/bluetooth.h>
	7	#include <net/bluetooth/hci_core.h>
	8
90855d7b MH	9	struct class *bt_class = NULL;
	10	EXPORT_SYMBOL_GPL(bt_class);
	11
a67e899c	12	static struct workqueue_struct *bt_workq;
1da177e4	13
90855d7b MH	14	static inline char *link_typetostr(int type)
	15	{
	16	switch (type) {
	17	case ACL_LINK:
	18	return "ACL";
	19	case SCO_LINK:
	20	return "SCO";
	21	case ESCO_LINK:
	22	return "eSCO";
	23	default:
	24	return "UNKNOWN";
	25	}
	26	}
	27
	28	static ssize_t show_link_type(struct device dev, struct device_attribute attr, char *buf)
	29	{
	30	struct hci_conn *conn = dev_get_drvdata(dev);
	31	return sprintf(buf, "%s\n", link_typetostr(conn->type));
	32	}
	33
	34	static ssize_t show_link_address(struct device dev, struct device_attribute attr, char *buf)
	35	{
	36	struct hci_conn *conn = dev_get_drvdata(dev);
	37	bdaddr_t bdaddr;
	38	baswap(&bdaddr, &conn->dst);
	39	return sprintf(buf, "%s\n", batostr(&bdaddr));
	40	}
	41
	42	static ssize_t show_link_features(struct device dev, struct device_attribute attr, char *buf)
	43	{
	44	struct hci_conn *conn = dev_get_drvdata(dev);
	45
	46	return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
	47	conn->features[0], conn->features[1],
	48	conn->features[2], conn->features[3],
	49	conn->features[4], conn->features[5],
	50	conn->features[6], conn->features[7]);
	51	}
	52
	53	#define LINK_ATTR(_name,_mode,_show,_store) \
	54	struct device_attribute link_attr_##_name = __ATTR(_name,_mode,_show,_store)
	55
	56	static LINK_ATTR(type, S_IRUGO, show_link_type, NULL);
	57	static LINK_ATTR(address, S_IRUGO, show_link_address, NULL);
	58	static LINK_ATTR(features, S_IRUGO, show_link_features, NULL);
	59
	60	static struct attribute *bt_link_attrs[] = {
	61	&link_attr_type.attr,
	62	&link_attr_address.attr,
	63	&link_attr_features.attr,
	64	NULL
	65	};
	66
	67	static struct attribute_group bt_link_group = {
	68	.attrs = bt_link_attrs,
	69	};
	70
	71	static struct attribute_group *bt_link_groups[] = {
	72	&bt_link_group,
	73	NULL
	74	};
	75
	76	static void bt_link_release(struct device *dev)
	77	{
78	void *data = dev_get_drvdata(dev);
79	kfree(data);
80	}
81
82	static struct device_type bt_link = {
83	.name = "link",
84	.groups = bt_link_groups,
85	.release = bt_link_release,
86	};
87
88	static void add_conn(struct work_struct *work)
89	{
f3784d83	90	struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
457ca7bb	91	struct hci_dev *hdev = conn->hdev;
90855d7b	92
a67e899c MH	93	/* ensure previous del is complete */
a67e899c MH	94	flush_work(&conn->work_del);
90855d7b	95
457ca7bb MH	96	dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
457ca7bb MH	97
90855d7b MH	98	if (device_add(&conn->dev) < 0) {
	99	BT_ERR("Failed to register connection device");
	100	return;
	101	}
	102	}
	103
90855d7b MH	104	/*
	105	* The rfcomm tty device will possibly retain even when conn
	106	* is down, and sysfs doesn't support move zombie device,
	107	* so we should move the device before conn device is destroyed.
	108	*/
	109	static int __match_tty(struct device dev, void data)
	110	{
fb28ad35	111	return !strncmp(dev_name(dev), "rfcomm", 6);
90855d7b MH	112	}
	113
	114	static void del_conn(struct work_struct *work)
	115	{
f3784d83	116	struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
90855d7b MH	117	struct hci_dev *hdev = conn->hdev;
90855d7b MH	118
a67e899c MH	119	/* ensure previous add is complete */
	120	flush_work(&conn->work_add);
	121
	122	if (!device_is_registered(&conn->dev))
	123	return;
f3784d83	124
90855d7b MH	125	while (1) {
	126	struct device *dev;
	127
	128	dev = device_find_child(&conn->dev, NULL, __match_tty);
	129	if (!dev)
	130	break;
ffa6a705	131	device_move(dev, NULL, DPM_ORDER_DEV_LAST);
90855d7b MH	132	put_device(dev);
	133	}
	134
	135	device_del(&conn->dev);
	136	put_device(&conn->dev);
	137	hci_dev_put(hdev);
	138	}
	139
a67e899c	140	void hci_conn_init_sysfs(struct hci_conn *conn)
90855d7b	141	{
a67e899c MH	142	struct hci_dev *hdev = conn->hdev;
a67e899c MH	143
90855d7b MH	144	BT_DBG("conn %p", conn);
90855d7b MH	145
a67e899c MH	146	conn->dev.type = &bt_link;
	147	conn->dev.class = bt_class;
	148	conn->dev.parent = &hdev->dev;
	149
	150	dev_set_drvdata(&conn->dev, conn);
90855d7b	151
a67e899c MH	152	device_initialize(&conn->dev);
	153
	154	INIT_WORK(&conn->work_add, add_conn);
f3784d83	155	INIT_WORK(&conn->work_del, del_conn);
a67e899c MH	156	}
	157
	158	void hci_conn_add_sysfs(struct hci_conn *conn)
	159	{
a67e899c MH	160	BT_DBG("conn %p", conn);
a67e899c MH	161
a67e899c MH	162	queue_work(bt_workq, &conn->work_add);
	163	}
	164
	165	void hci_conn_del_sysfs(struct hci_conn *conn)
	166	{
	167	BT_DBG("conn %p", conn);
90855d7b	168
a67e899c	169	queue_work(bt_workq, &conn->work_del);
90855d7b MH	170	}
	171
	172	static inline char *host_typetostr(int type)
1da177e4	173	{
4d0eb004	174	switch (type) {
0ac53939	175	case HCI_VIRTUAL:
4d0eb004 MH	176	return "VIRTUAL";
	177	case HCI_USB:
	178	return "USB";
	179	case HCI_PCCARD:
	180	return "PCCARD";
	181	case HCI_UART:
	182	return "UART";
	183	case HCI_RS232:
	184	return "RS232";
	185	case HCI_PCI:
	186	return "PCI";
0ac53939 MH	187	case HCI_SDIO:
0ac53939 MH	188	return "SDIO";
4d0eb004 MH	189	default:
	190	return "UNKNOWN";
	191	}
1da177e4 LT	192	}
1da177e4 LT	193
a91f2e39	194	static ssize_t show_type(struct device dev, struct device_attribute attr, char *buf)
1da177e4	195	{
a91f2e39	196	struct hci_dev *hdev = dev_get_drvdata(dev);
90855d7b	197	return sprintf(buf, "%s\n", host_typetostr(hdev->type));
1da177e4 LT	198	}
1da177e4 LT	199
a9de9248 MH	200	static ssize_t show_name(struct device dev, struct device_attribute attr, char *buf)
	201	{
	202	struct hci_dev *hdev = dev_get_drvdata(dev);
	203	char name[249];
	204	int i;
	205
	206	for (i = 0; i < 248; i++)
	207	name[i] = hdev->dev_name[i];
	208
	209	name[248] = '\0';
	210	return sprintf(buf, "%s\n", name);
	211	}
	212
	213	static ssize_t show_class(struct device dev, struct device_attribute attr, char *buf)
	214	{
	215	struct hci_dev *hdev = dev_get_drvdata(dev);
	216	return sprintf(buf, "0x%.2x%.2x%.2x\n",
	217	hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
	218	}
	219
a91f2e39	220	static ssize_t show_address(struct device dev, struct device_attribute attr, char *buf)
1da177e4	221	{
a91f2e39	222	struct hci_dev *hdev = dev_get_drvdata(dev);
1da177e4 LT	223	bdaddr_t bdaddr;
	224	baswap(&bdaddr, &hdev->bdaddr);
	225	return sprintf(buf, "%s\n", batostr(&bdaddr));
	226	}
	227
a9de9248 MH	228	static ssize_t show_features(struct device dev, struct device_attribute attr, char *buf)
	229	{
	230	struct hci_dev *hdev = dev_get_drvdata(dev);
	231
	232	return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
	233	hdev->features[0], hdev->features[1],
	234	hdev->features[2], hdev->features[3],
	235	hdev->features[4], hdev->features[5],
	236	hdev->features[6], hdev->features[7]);
	237	}
	238
1143e5a6 MH	239	static ssize_t show_manufacturer(struct device dev, struct device_attribute attr, char *buf)
	240	{
	241	struct hci_dev *hdev = dev_get_drvdata(dev);
	242	return sprintf(buf, "%d\n", hdev->manufacturer);
	243	}
	244
	245	static ssize_t show_hci_version(struct device dev, struct device_attribute attr, char *buf)
	246	{
	247	struct hci_dev *hdev = dev_get_drvdata(dev);
	248	return sprintf(buf, "%d\n", hdev->hci_ver);
	249	}
	250
	251	static ssize_t show_hci_revision(struct device dev, struct device_attribute attr, char *buf)
	252	{
	253	struct hci_dev *hdev = dev_get_drvdata(dev);
	254	return sprintf(buf, "%d\n", hdev->hci_rev);
	255	}
	256
a91f2e39	257	static ssize_t show_inquiry_cache(struct device dev, struct device_attribute attr, char *buf)
1da177e4	258	{
a91f2e39	259	struct hci_dev *hdev = dev_get_drvdata(dev);
1da177e4 LT	260	struct inquiry_cache *cache = &hdev->inq_cache;
	261	struct inquiry_entry *e;
	262	int n = 0;
	263
	264	hci_dev_lock_bh(hdev);
	265
	266	for (e = cache->list; e; e = e->next) {
	267	struct inquiry_data *data = &e->data;
	268	bdaddr_t bdaddr;
	269	baswap(&bdaddr, &data->bdaddr);
a8bd28ba	270	n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
1da177e4	271	batostr(&bdaddr),
a8bd28ba MH	272	data->pscan_rep_mode, data->pscan_period_mode,
	273	data->pscan_mode, data->dev_class[2],
	274	data->dev_class[1], data->dev_class[0],
	275	__le16_to_cpu(data->clock_offset),
	276	data->rssi, data->ssp_mode, e->timestamp);
1da177e4 LT	277	}
	278
	279	hci_dev_unlock_bh(hdev);
	280	return n;
	281	}
	282
a91f2e39	283	static ssize_t show_idle_timeout(struct device dev, struct device_attribute attr, char *buf)
04837f64	284	{
a91f2e39	285	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	286	return sprintf(buf, "%d\n", hdev->idle_timeout);
	287	}
	288
a91f2e39	289	static ssize_t store_idle_timeout(struct device dev, struct device_attribute attr, const char *buf, size_t count)
04837f64	290	{
a91f2e39	291	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	292	char *ptr;
	293	__u32 val;
	294
	295	val = simple_strtoul(buf, &ptr, 10);
	296	if (ptr == buf)
	297	return -EINVAL;
	298
	299	if (val != 0 && (val < 500 \|\| val > 3600000))
	300	return -EINVAL;
	301
	302	hdev->idle_timeout = val;
	303
	304	return count;
	305	}
	306
a91f2e39	307	static ssize_t show_sniff_max_interval(struct device dev, struct device_attribute attr, char *buf)
04837f64	308	{
a91f2e39	309	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	310	return sprintf(buf, "%d\n", hdev->sniff_max_interval);
	311	}
	312
a91f2e39	313	static ssize_t store_sniff_max_interval(struct device dev, struct device_attribute attr, const char *buf, size_t count)
04837f64	314	{
a91f2e39	315	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	316	char *ptr;
	317	__u16 val;
	318
	319	val = simple_strtoul(buf, &ptr, 10);
	320	if (ptr == buf)
	321	return -EINVAL;
	322
	323	if (val < 0x0002 \|\| val > 0xFFFE \|\| val % 2)
	324	return -EINVAL;
	325
	326	if (val < hdev->sniff_min_interval)
	327	return -EINVAL;
	328
	329	hdev->sniff_max_interval = val;
	330
	331	return count;
	332	}
	333
a91f2e39	334	static ssize_t show_sniff_min_interval(struct device dev, struct device_attribute attr, char *buf)
04837f64	335	{
a91f2e39	336	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	337	return sprintf(buf, "%d\n", hdev->sniff_min_interval);
	338	}
	339
a91f2e39	340	static ssize_t store_sniff_min_interval(struct device dev, struct device_attribute attr, const char *buf, size_t count)
04837f64	341	{
a91f2e39	342	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	343	char *ptr;
	344	__u16 val;
	345
	346	val = simple_strtoul(buf, &ptr, 10);
	347	if (ptr == buf)
	348	return -EINVAL;
	349
	350	if (val < 0x0002 \|\| val > 0xFFFE \|\| val % 2)
	351	return -EINVAL;
	352
	353	if (val > hdev->sniff_max_interval)
	354	return -EINVAL;
	355
	356	hdev->sniff_min_interval = val;
	357
	358	return count;
	359	}
	360
a91f2e39	361	static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
a9de9248 MH	362	static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
a9de9248 MH	363	static DEVICE_ATTR(class, S_IRUGO, show_class, NULL);
a91f2e39	364	static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
a9de9248	365	static DEVICE_ATTR(features, S_IRUGO, show_features, NULL);
1143e5a6 MH	366	static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL);
	367	static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL);
	368	static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL);
a91f2e39	369	static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
1da177e4	370
a91f2e39	371	static DEVICE_ATTR(idle_timeout, S_IRUGO \| S_IWUSR,
04837f64	372	show_idle_timeout, store_idle_timeout);
a91f2e39	373	static DEVICE_ATTR(sniff_max_interval, S_IRUGO \| S_IWUSR,
04837f64	374	show_sniff_max_interval, store_sniff_max_interval);
a91f2e39	375	static DEVICE_ATTR(sniff_min_interval, S_IRUGO \| S_IWUSR,
04837f64 MH	376	show_sniff_min_interval, store_sniff_min_interval);
04837f64 MH	377
90855d7b MH	378	static struct attribute *bt_host_attrs[] = {
	379	&dev_attr_type.attr,
	380	&dev_attr_name.attr,
	381	&dev_attr_class.attr,
	382	&dev_attr_address.attr,
	383	&dev_attr_features.attr,
	384	&dev_attr_manufacturer.attr,
	385	&dev_attr_hci_version.attr,
	386	&dev_attr_hci_revision.attr,
	387	&dev_attr_inquiry_cache.attr,
	388	&dev_attr_idle_timeout.attr,
	389	&dev_attr_sniff_max_interval.attr,
	390	&dev_attr_sniff_min_interval.attr,
1da177e4 LT	391	NULL
	392	};
	393
90855d7b MH	394	static struct attribute_group bt_host_group = {
90855d7b MH	395	.attrs = bt_host_attrs,
b219e3ac MH	396	};
b219e3ac MH	397
90855d7b MH	398	static struct attribute_group *bt_host_groups[] = {
	399	&bt_host_group,
	400	NULL
27d35284 MH	401	};
27d35284 MH	402
90855d7b	403	static void bt_host_release(struct device *dev)
a91f2e39	404	{
b219e3ac MH	405	void *data = dev_get_drvdata(dev);
	406	kfree(data);
	407	}
	408
90855d7b MH	409	static struct device_type bt_host = {
	410	.name = "host",
	411	.groups = bt_host_groups,
	412	.release = bt_host_release,
	413	};
a91f2e39	414
1da177e4 LT	415	int hci_register_sysfs(struct hci_dev *hdev)
1da177e4 LT	416	{
a91f2e39	417	struct device *dev = &hdev->dev;
1da177e4 LT	418	int err;
	419
	420	BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
	421
90855d7b MH	422	dev->type = &bt_host;
90855d7b MH	423	dev->class = bt_class;
e9c4bec6	424	dev->parent = hdev->parent;
a91f2e39	425
2e792995	426	dev_set_name(dev, "%s", hdev->name);
1da177e4	427
a91f2e39	428	dev_set_drvdata(dev, hdev);
27d35284	429
a91f2e39	430	err = device_register(dev);
1da177e4 LT	431	if (err < 0)
	432	return err;
	433
1da177e4 LT	434	return 0;
	435	}
	436
	437	void hci_unregister_sysfs(struct hci_dev *hdev)
	438	{
1da177e4 LT	439	BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
1da177e4 LT	440
4d0eb004	441	device_del(&hdev->dev);
1da177e4 LT	442	}
	443
	444	int __init bt_sysfs_init(void)
	445	{
a67e899c MH	446	bt_workq = create_singlethread_workqueue("bluetooth");
a67e899c MH	447	if (!bt_workq)
90855d7b	448	return -ENOMEM;
27d35284	449
a91f2e39 MH	450	bt_class = class_create(THIS_MODULE, "bluetooth");
a91f2e39 MH	451	if (IS_ERR(bt_class)) {
a67e899c	452	destroy_workqueue(bt_workq);
90855d7b	453	return PTR_ERR(bt_class);
27d35284 MH	454	}
	455
	456	return 0;
1da177e4 LT	457	}
1da177e4 LT	458
860e13b5	459	void bt_sysfs_cleanup(void)
1da177e4	460	{
a67e899c	461	destroy_workqueue(bt_workq);
5396c935	462
a91f2e39	463	class_destroy(bt_class);
1da177e4	464	}