[GitHub/mt8127/android_kernel_alcatel_ttab.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 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);

	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;

	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 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 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
a4dbd674	71	static const struct attribute_group *bt_link_groups[] = {
90855d7b MH	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
457ca7bb MH	93	dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
457ca7bb MH	94
90855d7b MH	95	if (device_add(&conn->dev) < 0) {
	96	BT_ERR("Failed to register connection device");
	97	return;
	98	}
384943ec MH	99
384943ec MH	100	hci_dev_hold(hdev);
90855d7b MH	101	}
90855d7b MH	102
90855d7b MH	103	/*
	104	* The rfcomm tty device will possibly retain even when conn
	105	* is down, and sysfs doesn't support move zombie device,
	106	* so we should move the device before conn device is destroyed.
	107	*/
	108	static int __match_tty(struct device dev, void data)
	109	{
fb28ad35	110	return !strncmp(dev_name(dev), "rfcomm", 6);
90855d7b MH	111	}
	112
	113	static void del_conn(struct work_struct *work)
	114	{
f3784d83	115	struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
90855d7b MH	116	struct hci_dev *hdev = conn->hdev;
90855d7b MH	117
a67e899c MH	118	if (!device_is_registered(&conn->dev))
a67e899c MH	119	return;
f3784d83	120
90855d7b MH	121	while (1) {
	122	struct device *dev;
	123
	124	dev = device_find_child(&conn->dev, NULL, __match_tty);
	125	if (!dev)
	126	break;
ffa6a705	127	device_move(dev, NULL, DPM_ORDER_DEV_LAST);
90855d7b MH	128	put_device(dev);
	129	}
	130
	131	device_del(&conn->dev);
	132	put_device(&conn->dev);
384943ec	133
90855d7b MH	134	hci_dev_put(hdev);
	135	}
	136
a67e899c	137	void hci_conn_init_sysfs(struct hci_conn *conn)
90855d7b	138	{
a67e899c MH	139	struct hci_dev *hdev = conn->hdev;
a67e899c MH	140
90855d7b MH	141	BT_DBG("conn %p", conn);
90855d7b MH	142
a67e899c MH	143	conn->dev.type = &bt_link;
	144	conn->dev.class = bt_class;
	145	conn->dev.parent = &hdev->dev;
	146
	147	dev_set_drvdata(&conn->dev, conn);
90855d7b	148
a67e899c MH	149	device_initialize(&conn->dev);
	150
	151	INIT_WORK(&conn->work_add, add_conn);
f3784d83	152	INIT_WORK(&conn->work_del, del_conn);
a67e899c MH	153	}
	154
	155	void hci_conn_add_sysfs(struct hci_conn *conn)
	156	{
a67e899c MH	157	BT_DBG("conn %p", conn);
a67e899c MH	158
a67e899c MH	159	queue_work(bt_workq, &conn->work_add);
	160	}
	161
	162	void hci_conn_del_sysfs(struct hci_conn *conn)
	163	{
	164	BT_DBG("conn %p", conn);
90855d7b	165
a67e899c	166	queue_work(bt_workq, &conn->work_del);
90855d7b MH	167	}
	168
	169	static inline char *host_typetostr(int type)
1da177e4	170	{
4d0eb004	171	switch (type) {
0ac53939	172	case HCI_VIRTUAL:
4d0eb004 MH	173	return "VIRTUAL";
	174	case HCI_USB:
	175	return "USB";
	176	case HCI_PCCARD:
	177	return "PCCARD";
	178	case HCI_UART:
	179	return "UART";
	180	case HCI_RS232:
	181	return "RS232";
	182	case HCI_PCI:
	183	return "PCI";
0ac53939 MH	184	case HCI_SDIO:
0ac53939 MH	185	return "SDIO";
4d0eb004 MH	186	default:
	187	return "UNKNOWN";
	188	}
1da177e4 LT	189	}
1da177e4 LT	190
a91f2e39	191	static ssize_t show_type(struct device dev, struct device_attribute attr, char *buf)
1da177e4	192	{
a91f2e39	193	struct hci_dev *hdev = dev_get_drvdata(dev);
90855d7b	194	return sprintf(buf, "%s\n", host_typetostr(hdev->type));
1da177e4 LT	195	}
1da177e4 LT	196
a9de9248 MH	197	static ssize_t show_name(struct device dev, struct device_attribute attr, char *buf)
	198	{
	199	struct hci_dev *hdev = dev_get_drvdata(dev);
	200	char name[249];
	201	int i;
	202
	203	for (i = 0; i < 248; i++)
	204	name[i] = hdev->dev_name[i];
	205
	206	name[248] = '\0';
	207	return sprintf(buf, "%s\n", name);
	208	}
	209
	210	static ssize_t show_class(struct device dev, struct device_attribute attr, char *buf)
	211	{
	212	struct hci_dev *hdev = dev_get_drvdata(dev);
	213	return sprintf(buf, "0x%.2x%.2x%.2x\n",
	214	hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
	215	}
	216
a91f2e39	217	static ssize_t show_address(struct device dev, struct device_attribute attr, char *buf)
1da177e4	218	{
a91f2e39	219	struct hci_dev *hdev = dev_get_drvdata(dev);
1da177e4 LT	220	bdaddr_t bdaddr;
	221	baswap(&bdaddr, &hdev->bdaddr);
	222	return sprintf(buf, "%s\n", batostr(&bdaddr));
	223	}
	224
a9de9248 MH	225	static ssize_t show_features(struct device dev, struct device_attribute attr, char *buf)
	226	{
	227	struct hci_dev *hdev = dev_get_drvdata(dev);
	228
	229	return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
	230	hdev->features[0], hdev->features[1],
	231	hdev->features[2], hdev->features[3],
	232	hdev->features[4], hdev->features[5],
	233	hdev->features[6], hdev->features[7]);
	234	}
	235
1143e5a6 MH	236	static ssize_t show_manufacturer(struct device dev, struct device_attribute attr, char *buf)
	237	{
	238	struct hci_dev *hdev = dev_get_drvdata(dev);
	239	return sprintf(buf, "%d\n", hdev->manufacturer);
	240	}
	241
	242	static ssize_t show_hci_version(struct device dev, struct device_attribute attr, char *buf)
	243	{
	244	struct hci_dev *hdev = dev_get_drvdata(dev);
	245	return sprintf(buf, "%d\n", hdev->hci_ver);
	246	}
	247
	248	static ssize_t show_hci_revision(struct device dev, struct device_attribute attr, char *buf)
	249	{
	250	struct hci_dev *hdev = dev_get_drvdata(dev);
	251	return sprintf(buf, "%d\n", hdev->hci_rev);
	252	}
	253
a91f2e39	254	static ssize_t show_inquiry_cache(struct device dev, struct device_attribute attr, char *buf)
1da177e4	255	{
a91f2e39	256	struct hci_dev *hdev = dev_get_drvdata(dev);
1da177e4 LT	257	struct inquiry_cache *cache = &hdev->inq_cache;
	258	struct inquiry_entry *e;
	259	int n = 0;
	260
	261	hci_dev_lock_bh(hdev);
	262
	263	for (e = cache->list; e; e = e->next) {
	264	struct inquiry_data *data = &e->data;
	265	bdaddr_t bdaddr;
	266	baswap(&bdaddr, &data->bdaddr);
a8bd28ba	267	n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
1da177e4	268	batostr(&bdaddr),
a8bd28ba MH	269	data->pscan_rep_mode, data->pscan_period_mode,
	270	data->pscan_mode, data->dev_class[2],
	271	data->dev_class[1], data->dev_class[0],
	272	__le16_to_cpu(data->clock_offset),
	273	data->rssi, data->ssp_mode, e->timestamp);
1da177e4 LT	274	}
	275
	276	hci_dev_unlock_bh(hdev);
	277	return n;
	278	}
	279
a91f2e39	280	static ssize_t show_idle_timeout(struct device dev, struct device_attribute attr, char *buf)
04837f64	281	{
a91f2e39	282	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	283	return sprintf(buf, "%d\n", hdev->idle_timeout);
	284	}
	285
a91f2e39	286	static ssize_t store_idle_timeout(struct device dev, struct device_attribute attr, const char *buf, size_t count)
04837f64	287	{
a91f2e39	288	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	289	char *ptr;
	290	__u32 val;
	291
	292	val = simple_strtoul(buf, &ptr, 10);
	293	if (ptr == buf)
	294	return -EINVAL;
	295
	296	if (val != 0 && (val < 500 \|\| val > 3600000))
	297	return -EINVAL;
	298
	299	hdev->idle_timeout = val;
	300
	301	return count;
	302	}
	303
a91f2e39	304	static ssize_t show_sniff_max_interval(struct device dev, struct device_attribute attr, char *buf)
04837f64	305	{
a91f2e39	306	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	307	return sprintf(buf, "%d\n", hdev->sniff_max_interval);
	308	}
	309
a91f2e39	310	static ssize_t store_sniff_max_interval(struct device dev, struct device_attribute attr, const char *buf, size_t count)
04837f64	311	{
a91f2e39	312	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	313	char *ptr;
	314	__u16 val;
	315
	316	val = simple_strtoul(buf, &ptr, 10);
	317	if (ptr == buf)
	318	return -EINVAL;
	319
	320	if (val < 0x0002 \|\| val > 0xFFFE \|\| val % 2)
	321	return -EINVAL;
	322
	323	if (val < hdev->sniff_min_interval)
	324	return -EINVAL;
	325
	326	hdev->sniff_max_interval = val;
	327
	328	return count;
	329	}
	330
a91f2e39	331	static ssize_t show_sniff_min_interval(struct device dev, struct device_attribute attr, char *buf)
04837f64	332	{
a91f2e39	333	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	334	return sprintf(buf, "%d\n", hdev->sniff_min_interval);
	335	}
	336
a91f2e39	337	static ssize_t store_sniff_min_interval(struct device dev, struct device_attribute attr, const char *buf, size_t count)
04837f64	338	{
a91f2e39	339	struct hci_dev *hdev = dev_get_drvdata(dev);
04837f64 MH	340	char *ptr;
	341	__u16 val;
	342
	343	val = simple_strtoul(buf, &ptr, 10);
	344	if (ptr == buf)
	345	return -EINVAL;
	346
	347	if (val < 0x0002 \|\| val > 0xFFFE \|\| val % 2)
	348	return -EINVAL;
	349
	350	if (val > hdev->sniff_max_interval)
	351	return -EINVAL;
	352
	353	hdev->sniff_min_interval = val;
	354
	355	return count;
	356	}
	357
a91f2e39	358	static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
a9de9248 MH	359	static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
a9de9248 MH	360	static DEVICE_ATTR(class, S_IRUGO, show_class, NULL);
a91f2e39	361	static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
a9de9248	362	static DEVICE_ATTR(features, S_IRUGO, show_features, NULL);
1143e5a6 MH	363	static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL);
	364	static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL);
	365	static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL);
a91f2e39	366	static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
1da177e4	367
a91f2e39	368	static DEVICE_ATTR(idle_timeout, S_IRUGO \| S_IWUSR,
04837f64	369	show_idle_timeout, store_idle_timeout);
a91f2e39	370	static DEVICE_ATTR(sniff_max_interval, S_IRUGO \| S_IWUSR,
04837f64	371	show_sniff_max_interval, store_sniff_max_interval);
a91f2e39	372	static DEVICE_ATTR(sniff_min_interval, S_IRUGO \| S_IWUSR,
04837f64 MH	373	show_sniff_min_interval, store_sniff_min_interval);
04837f64 MH	374
90855d7b MH	375	static struct attribute *bt_host_attrs[] = {
	376	&dev_attr_type.attr,
	377	&dev_attr_name.attr,
	378	&dev_attr_class.attr,
	379	&dev_attr_address.attr,
	380	&dev_attr_features.attr,
	381	&dev_attr_manufacturer.attr,
	382	&dev_attr_hci_version.attr,
	383	&dev_attr_hci_revision.attr,
	384	&dev_attr_inquiry_cache.attr,
	385	&dev_attr_idle_timeout.attr,
	386	&dev_attr_sniff_max_interval.attr,
	387	&dev_attr_sniff_min_interval.attr,
1da177e4 LT	388	NULL
	389	};
	390
90855d7b MH	391	static struct attribute_group bt_host_group = {
90855d7b MH	392	.attrs = bt_host_attrs,
b219e3ac MH	393	};
b219e3ac MH	394
a4dbd674	395	static const struct attribute_group *bt_host_groups[] = {
90855d7b MH	396	&bt_host_group,
90855d7b MH	397	NULL
27d35284 MH	398	};
27d35284 MH	399
90855d7b	400	static void bt_host_release(struct device *dev)
a91f2e39	401	{
b219e3ac MH	402	void *data = dev_get_drvdata(dev);
	403	kfree(data);
	404	}
	405
90855d7b MH	406	static struct device_type bt_host = {
	407	.name = "host",
	408	.groups = bt_host_groups,
	409	.release = bt_host_release,
	410	};
a91f2e39	411
1da177e4 LT	412	int hci_register_sysfs(struct hci_dev *hdev)
1da177e4 LT	413	{
a91f2e39	414	struct device *dev = &hdev->dev;
1da177e4 LT	415	int err;
	416
	417	BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
	418
90855d7b MH	419	dev->type = &bt_host;
90855d7b MH	420	dev->class = bt_class;
e9c4bec6	421	dev->parent = hdev->parent;
a91f2e39	422
2e792995	423	dev_set_name(dev, "%s", hdev->name);
1da177e4	424
a91f2e39	425	dev_set_drvdata(dev, hdev);
27d35284	426
a91f2e39	427	err = device_register(dev);
1da177e4 LT	428	if (err < 0)
	429	return err;
	430
1da177e4 LT	431	return 0;
	432	}
	433
	434	void hci_unregister_sysfs(struct hci_dev *hdev)
	435	{
1da177e4 LT	436	BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
1da177e4 LT	437
4d0eb004	438	device_del(&hdev->dev);
1da177e4 LT	439	}
	440
	441	int __init bt_sysfs_init(void)
	442	{
a67e899c MH	443	bt_workq = create_singlethread_workqueue("bluetooth");
a67e899c MH	444	if (!bt_workq)
90855d7b	445	return -ENOMEM;
27d35284	446
a91f2e39 MH	447	bt_class = class_create(THIS_MODULE, "bluetooth");
a91f2e39 MH	448	if (IS_ERR(bt_class)) {
a67e899c	449	destroy_workqueue(bt_workq);
90855d7b	450	return PTR_ERR(bt_class);
27d35284 MH	451	}
	452
	453	return 0;
1da177e4 LT	454	}
1da177e4 LT	455
860e13b5	456	void bt_sysfs_cleanup(void)
1da177e4	457	{
a67e899c	458	destroy_workqueue(bt_workq);
5396c935	459
a91f2e39	460	class_destroy(bt_class);
1da177e4	461	}