blob: a20e61c3653dbf84f3c567977757f61239fd2a82 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* Bluetooth HCI driver model support. */
2
Marcel Holtmannca325f62010-02-08 16:22:31 +01003#include <linux/debugfs.h>
Paul Gortmaker3a9a2312011-05-27 09:12:25 -04004#include <linux/module.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07005
6#include <net/bluetooth/bluetooth.h>
7#include <net/bluetooth/hci_core.h>
8
Marcel Holtmannaef7d972010-03-21 05:27:45 +01009static struct class *bt_class;
Marcel Holtmann90855d72008-08-18 13:23:53 +020010
Gustavo F. Padovan602f9882011-02-17 19:22:19 -030011struct dentry *bt_debugfs;
Marcel Holtmannca325f62010-02-08 16:22:31 +010012EXPORT_SYMBOL_GPL(bt_debugfs);
13
Marcel Holtmann90855d72008-08-18 13:23:53 +020014static 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";
Peter Hurley21061df2011-08-24 10:04:56 -040023 case LE_LINK:
24 return "LE";
Marcel Holtmann90855d72008-08-18 13:23:53 +020025 default:
26 return "UNKNOWN";
27 }
28}
29
Gustavo Padovanb80f0212012-05-17 00:36:23 -030030static ssize_t show_link_type(struct device *dev,
31 struct device_attribute *attr, char *buf)
Marcel Holtmann90855d72008-08-18 13:23:53 +020032{
David Herrmann3dc07322012-02-09 21:58:33 +010033 struct hci_conn *conn = to_hci_conn(dev);
Marcel Holtmann90855d72008-08-18 13:23:53 +020034 return sprintf(buf, "%s\n", link_typetostr(conn->type));
35}
36
Gustavo Padovanb80f0212012-05-17 00:36:23 -030037static ssize_t show_link_address(struct device *dev,
38 struct device_attribute *attr, char *buf)
Marcel Holtmann90855d72008-08-18 13:23:53 +020039{
David Herrmann3dc07322012-02-09 21:58:33 +010040 struct hci_conn *conn = to_hci_conn(dev);
Gustavo F. Padovand6b2eb22010-09-03 18:29:46 -030041 return sprintf(buf, "%s\n", batostr(&conn->dst));
Marcel Holtmann90855d72008-08-18 13:23:53 +020042}
43
Gustavo Padovanb80f0212012-05-17 00:36:23 -030044static ssize_t show_link_features(struct device *dev,
45 struct device_attribute *attr, char *buf)
Marcel Holtmann90855d72008-08-18 13:23:53 +020046{
David Herrmann3dc07322012-02-09 21:58:33 +010047 struct hci_conn *conn = to_hci_conn(dev);
Marcel Holtmann90855d72008-08-18 13:23:53 +020048
49 return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
Gustavo Padovanb80f0212012-05-17 00:36:23 -030050 conn->features[0], conn->features[1],
51 conn->features[2], conn->features[3],
52 conn->features[4], conn->features[5],
53 conn->features[6], conn->features[7]);
Marcel Holtmann90855d72008-08-18 13:23:53 +020054}
55
Gustavo F. Padovan602f9882011-02-17 19:22:19 -030056#define LINK_ATTR(_name, _mode, _show, _store) \
57struct device_attribute link_attr_##_name = __ATTR(_name, _mode, _show, _store)
Marcel Holtmann90855d72008-08-18 13:23:53 +020058
59static LINK_ATTR(type, S_IRUGO, show_link_type, NULL);
60static LINK_ATTR(address, S_IRUGO, show_link_address, NULL);
61static LINK_ATTR(features, S_IRUGO, show_link_features, NULL);
62
63static struct attribute *bt_link_attrs[] = {
64 &link_attr_type.attr,
65 &link_attr_address.attr,
66 &link_attr_features.attr,
67 NULL
68};
69
70static struct attribute_group bt_link_group = {
71 .attrs = bt_link_attrs,
72};
73
David Brownella4dbd672009-06-24 10:06:31 -070074static const struct attribute_group *bt_link_groups[] = {
Marcel Holtmann90855d72008-08-18 13:23:53 +020075 &bt_link_group,
76 NULL
77};
78
79static void bt_link_release(struct device *dev)
80{
David Herrmann2dd10682012-02-09 21:58:34 +010081 struct hci_conn *conn = to_hci_conn(dev);
82 kfree(conn);
Marcel Holtmann90855d72008-08-18 13:23:53 +020083}
84
85static struct device_type bt_link = {
86 .name = "link",
87 .groups = bt_link_groups,
88 .release = bt_link_release,
89};
90
Gustavo F. Padovan6d438e32011-12-17 18:53:02 -020091/*
92 * The rfcomm tty device will possibly retain even when conn
93 * is down, and sysfs doesn't support move zombie device,
94 * so we should move the device before conn device is destroyed.
95 */
96static int __match_tty(struct device *dev, void *data)
Marcel Holtmann90855d72008-08-18 13:23:53 +020097{
Gustavo F. Padovan6d438e32011-12-17 18:53:02 -020098 return !strncmp(dev_name(dev), "rfcomm", 6);
99}
100
101void hci_conn_init_sysfs(struct hci_conn *conn)
102{
Marcel Holtmann457ca7b2009-05-05 13:09:01 -0700103 struct hci_dev *hdev = conn->hdev;
Marcel Holtmann90855d72008-08-18 13:23:53 +0200104
Gustavo F. Padovan6d438e32011-12-17 18:53:02 -0200105 BT_DBG("conn %p", conn);
106
107 conn->dev.type = &bt_link;
108 conn->dev.class = bt_class;
109 conn->dev.parent = &hdev->dev;
110
111 device_initialize(&conn->dev);
112}
113
114void hci_conn_add_sysfs(struct hci_conn *conn)
115{
116 struct hci_dev *hdev = conn->hdev;
117
118 BT_DBG("conn %p", conn);
119
Marcel Holtmann457ca7b2009-05-05 13:09:01 -0700120 dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
121
Marcel Holtmann90855d72008-08-18 13:23:53 +0200122 if (device_add(&conn->dev) < 0) {
123 BT_ERR("Failed to register connection device");
124 return;
125 }
Marcel Holtmann384943e2009-05-08 18:20:43 -0700126
127 hci_dev_hold(hdev);
Marcel Holtmann90855d72008-08-18 13:23:53 +0200128}
129
Gustavo F. Padovan6d438e32011-12-17 18:53:02 -0200130void hci_conn_del_sysfs(struct hci_conn *conn)
Marcel Holtmann90855d72008-08-18 13:23:53 +0200131{
Marcel Holtmann90855d72008-08-18 13:23:53 +0200132 struct hci_dev *hdev = conn->hdev;
133
Marcel Holtmanna67e8992009-05-02 18:24:06 -0700134 if (!device_is_registered(&conn->dev))
135 return;
Roger Quadrosf3784d82009-04-23 14:50:54 +0300136
Marcel Holtmann90855d72008-08-18 13:23:53 +0200137 while (1) {
138 struct device *dev;
139
140 dev = device_find_child(&conn->dev, NULL, __match_tty);
141 if (!dev)
142 break;
Cornelia Huckffa6a702009-03-04 12:44:00 +0100143 device_move(dev, NULL, DPM_ORDER_DEV_LAST);
Marcel Holtmann90855d72008-08-18 13:23:53 +0200144 put_device(dev);
145 }
146
147 device_del(&conn->dev);
148 put_device(&conn->dev);
Marcel Holtmann384943e2009-05-08 18:20:43 -0700149
Marcel Holtmann90855d72008-08-18 13:23:53 +0200150 hci_dev_put(hdev);
151}
152
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100153static inline char *host_bustostr(int bus)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154{
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100155 switch (bus) {
Marcel Holtmann0ac53932006-07-08 13:57:15 +0200156 case HCI_VIRTUAL:
Marcel Holtmann4d0eb002006-07-06 12:34:41 +0200157 return "VIRTUAL";
158 case HCI_USB:
159 return "USB";
160 case HCI_PCCARD:
161 return "PCCARD";
162 case HCI_UART:
163 return "UART";
164 case HCI_RS232:
165 return "RS232";
166 case HCI_PCI:
167 return "PCI";
Marcel Holtmann0ac53932006-07-08 13:57:15 +0200168 case HCI_SDIO:
169 return "SDIO";
Marcel Holtmann4d0eb002006-07-06 12:34:41 +0200170 default:
171 return "UNKNOWN";
172 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173}
174
Marcel Holtmann943da252010-02-13 02:28:41 +0100175static inline char *host_typetostr(int type)
176{
177 switch (type) {
178 case HCI_BREDR:
179 return "BR/EDR";
David Vrabel8f1e1742010-08-09 17:38:10 -0400180 case HCI_AMP:
181 return "AMP";
Marcel Holtmann943da252010-02-13 02:28:41 +0100182 default:
183 return "UNKNOWN";
184 }
185}
186
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300187static ssize_t show_bus(struct device *dev,
188 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100190 struct hci_dev *hdev = to_hci_dev(dev);
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100191 return sprintf(buf, "%s\n", host_bustostr(hdev->bus));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192}
193
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300194static ssize_t show_type(struct device *dev,
195 struct device_attribute *attr, char *buf)
Marcel Holtmann943da252010-02-13 02:28:41 +0100196{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100197 struct hci_dev *hdev = to_hci_dev(dev);
Marcel Holtmann943da252010-02-13 02:28:41 +0100198 return sprintf(buf, "%s\n", host_typetostr(hdev->dev_type));
199}
200
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300201static ssize_t show_name(struct device *dev,
202 struct device_attribute *attr, char *buf)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200203{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100204 struct hci_dev *hdev = to_hci_dev(dev);
Johan Hedberg1f6c6372011-03-16 14:29:35 +0200205 char name[HCI_MAX_NAME_LENGTH + 1];
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200206 int i;
207
Johan Hedberg1f6c6372011-03-16 14:29:35 +0200208 for (i = 0; i < HCI_MAX_NAME_LENGTH; i++)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200209 name[i] = hdev->dev_name[i];
210
Johan Hedberg1f6c6372011-03-16 14:29:35 +0200211 name[HCI_MAX_NAME_LENGTH] = '\0';
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200212 return sprintf(buf, "%s\n", name);
213}
214
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300215static ssize_t show_class(struct device *dev,
216 struct device_attribute *attr, char *buf)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200217{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100218 struct hci_dev *hdev = to_hci_dev(dev);
Gustavo Padovan8fc9ced2012-05-23 04:04:21 -0300219 return sprintf(buf, "0x%.2x%.2x%.2x\n", hdev->dev_class[2],
220 hdev->dev_class[1], hdev->dev_class[0]);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200221}
222
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300223static ssize_t show_address(struct device *dev,
224 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100226 struct hci_dev *hdev = to_hci_dev(dev);
Gustavo F. Padovand6b2eb22010-09-03 18:29:46 -0300227 return sprintf(buf, "%s\n", batostr(&hdev->bdaddr));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228}
229
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300230static ssize_t show_features(struct device *dev,
231 struct device_attribute *attr, char *buf)
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200232{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100233 struct hci_dev *hdev = to_hci_dev(dev);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200234
235 return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300236 hdev->features[0], hdev->features[1],
237 hdev->features[2], hdev->features[3],
238 hdev->features[4], hdev->features[5],
239 hdev->features[6], hdev->features[7]);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200240}
241
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300242static ssize_t show_manufacturer(struct device *dev,
243 struct device_attribute *attr, char *buf)
Marcel Holtmann1143e5a2006-09-23 09:57:20 +0200244{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100245 struct hci_dev *hdev = to_hci_dev(dev);
Marcel Holtmann1143e5a2006-09-23 09:57:20 +0200246 return sprintf(buf, "%d\n", hdev->manufacturer);
247}
248
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300249static ssize_t show_hci_version(struct device *dev,
250 struct device_attribute *attr, char *buf)
Marcel Holtmann1143e5a2006-09-23 09:57:20 +0200251{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100252 struct hci_dev *hdev = to_hci_dev(dev);
Marcel Holtmann1143e5a2006-09-23 09:57:20 +0200253 return sprintf(buf, "%d\n", hdev->hci_ver);
254}
255
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300256static ssize_t show_hci_revision(struct device *dev,
257 struct device_attribute *attr, char *buf)
Marcel Holtmann1143e5a2006-09-23 09:57:20 +0200258{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100259 struct hci_dev *hdev = to_hci_dev(dev);
Marcel Holtmann1143e5a2006-09-23 09:57:20 +0200260 return sprintf(buf, "%d\n", hdev->hci_rev);
261}
262
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300263static ssize_t show_idle_timeout(struct device *dev,
264 struct device_attribute *attr, char *buf)
Marcel Holtmann04837f62006-07-03 10:02:33 +0200265{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100266 struct hci_dev *hdev = to_hci_dev(dev);
Marcel Holtmann04837f62006-07-03 10:02:33 +0200267 return sprintf(buf, "%d\n", hdev->idle_timeout);
268}
269
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300270static ssize_t store_idle_timeout(struct device *dev,
271 struct device_attribute *attr,
272 const char *buf, size_t count)
Marcel Holtmann04837f62006-07-03 10:02:33 +0200273{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100274 struct hci_dev *hdev = to_hci_dev(dev);
Alexey Dobriyandb940cb2011-04-02 14:19:41 +0300275 unsigned int val;
276 int rv;
Marcel Holtmann04837f62006-07-03 10:02:33 +0200277
Alexey Dobriyandb940cb2011-04-02 14:19:41 +0300278 rv = kstrtouint(buf, 0, &val);
279 if (rv < 0)
280 return rv;
Marcel Holtmann04837f62006-07-03 10:02:33 +0200281
282 if (val != 0 && (val < 500 || val > 3600000))
283 return -EINVAL;
284
285 hdev->idle_timeout = val;
286
287 return count;
288}
289
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300290static ssize_t show_sniff_max_interval(struct device *dev,
291 struct device_attribute *attr, char *buf)
Marcel Holtmann04837f62006-07-03 10:02:33 +0200292{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100293 struct hci_dev *hdev = to_hci_dev(dev);
Marcel Holtmann04837f62006-07-03 10:02:33 +0200294 return sprintf(buf, "%d\n", hdev->sniff_max_interval);
295}
296
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300297static ssize_t store_sniff_max_interval(struct device *dev,
298 struct device_attribute *attr,
299 const char *buf, size_t count)
Marcel Holtmann04837f62006-07-03 10:02:33 +0200300{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100301 struct hci_dev *hdev = to_hci_dev(dev);
Alexey Dobriyandb940cb2011-04-02 14:19:41 +0300302 u16 val;
303 int rv;
Marcel Holtmann04837f62006-07-03 10:02:33 +0200304
Alexey Dobriyandb940cb2011-04-02 14:19:41 +0300305 rv = kstrtou16(buf, 0, &val);
306 if (rv < 0)
307 return rv;
Marcel Holtmann04837f62006-07-03 10:02:33 +0200308
Alexey Dobriyandb940cb2011-04-02 14:19:41 +0300309 if (val == 0 || val % 2 || val < hdev->sniff_min_interval)
Marcel Holtmann04837f62006-07-03 10:02:33 +0200310 return -EINVAL;
311
312 hdev->sniff_max_interval = val;
313
314 return count;
315}
316
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300317static ssize_t show_sniff_min_interval(struct device *dev,
318 struct device_attribute *attr, char *buf)
Marcel Holtmann04837f62006-07-03 10:02:33 +0200319{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100320 struct hci_dev *hdev = to_hci_dev(dev);
Marcel Holtmann04837f62006-07-03 10:02:33 +0200321 return sprintf(buf, "%d\n", hdev->sniff_min_interval);
322}
323
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300324static ssize_t store_sniff_min_interval(struct device *dev,
325 struct device_attribute *attr,
326 const char *buf, size_t count)
Marcel Holtmann04837f62006-07-03 10:02:33 +0200327{
David Herrmannaa2b86d2012-02-09 21:58:30 +0100328 struct hci_dev *hdev = to_hci_dev(dev);
Alexey Dobriyandb940cb2011-04-02 14:19:41 +0300329 u16 val;
330 int rv;
Marcel Holtmann04837f62006-07-03 10:02:33 +0200331
Alexey Dobriyandb940cb2011-04-02 14:19:41 +0300332 rv = kstrtou16(buf, 0, &val);
333 if (rv < 0)
334 return rv;
Marcel Holtmann04837f62006-07-03 10:02:33 +0200335
Alexey Dobriyandb940cb2011-04-02 14:19:41 +0300336 if (val == 0 || val % 2 || val > hdev->sniff_max_interval)
Marcel Holtmann04837f62006-07-03 10:02:33 +0200337 return -EINVAL;
338
339 hdev->sniff_min_interval = val;
340
341 return count;
342}
343
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100344static DEVICE_ATTR(bus, S_IRUGO, show_bus, NULL);
Marcel Holtmann943da252010-02-13 02:28:41 +0100345static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200346static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
347static DEVICE_ATTR(class, S_IRUGO, show_class, NULL);
Marcel Holtmanna91f2e32006-07-03 10:02:41 +0200348static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
Marcel Holtmanna9de9242007-10-20 13:33:56 +0200349static DEVICE_ATTR(features, S_IRUGO, show_features, NULL);
Marcel Holtmann1143e5a2006-09-23 09:57:20 +0200350static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL);
351static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL);
352static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700353
Marcel Holtmanna91f2e32006-07-03 10:02:41 +0200354static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300355 show_idle_timeout, store_idle_timeout);
Marcel Holtmanna91f2e32006-07-03 10:02:41 +0200356static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300357 show_sniff_max_interval, store_sniff_max_interval);
Marcel Holtmanna91f2e32006-07-03 10:02:41 +0200358static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300359 show_sniff_min_interval, store_sniff_min_interval);
Marcel Holtmann04837f62006-07-03 10:02:33 +0200360
Marcel Holtmann90855d72008-08-18 13:23:53 +0200361static struct attribute *bt_host_attrs[] = {
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100362 &dev_attr_bus.attr,
Marcel Holtmann943da252010-02-13 02:28:41 +0100363 &dev_attr_type.attr,
Marcel Holtmann90855d72008-08-18 13:23:53 +0200364 &dev_attr_name.attr,
365 &dev_attr_class.attr,
366 &dev_attr_address.attr,
367 &dev_attr_features.attr,
368 &dev_attr_manufacturer.attr,
369 &dev_attr_hci_version.attr,
370 &dev_attr_hci_revision.attr,
Marcel Holtmann90855d72008-08-18 13:23:53 +0200371 &dev_attr_idle_timeout.attr,
372 &dev_attr_sniff_max_interval.attr,
373 &dev_attr_sniff_min_interval.attr,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700374 NULL
375};
376
Marcel Holtmann90855d72008-08-18 13:23:53 +0200377static struct attribute_group bt_host_group = {
378 .attrs = bt_host_attrs,
379};
Marcel Holtmannb219e3a2006-07-06 12:38:46 +0200380
David Brownella4dbd672009-06-24 10:06:31 -0700381static const struct attribute_group *bt_host_groups[] = {
Marcel Holtmann90855d72008-08-18 13:23:53 +0200382 &bt_host_group,
Marcel Holtmannb219e3a2006-07-06 12:38:46 +0200383 NULL
384};
385
Marcel Holtmann90855d72008-08-18 13:23:53 +0200386static void bt_host_release(struct device *dev)
Marcel Holtmanna91f2e32006-07-03 10:02:41 +0200387{
David Herrmann2dd10682012-02-09 21:58:34 +0100388 struct hci_dev *hdev = to_hci_dev(dev);
389 kfree(hdev);
David Herrmann46e06532012-01-07 15:47:21 +0100390 module_put(THIS_MODULE);
Marcel Holtmannb219e3a2006-07-06 12:38:46 +0200391}
392
Marcel Holtmann90855d72008-08-18 13:23:53 +0200393static struct device_type bt_host = {
394 .name = "host",
395 .groups = bt_host_groups,
396 .release = bt_host_release,
397};
Marcel Holtmanna91f2e32006-07-03 10:02:41 +0200398
Marcel Holtmannd4612cb2010-03-02 15:48:23 +0000399static int inquiry_cache_show(struct seq_file *f, void *p)
Marcel Holtmannca325f62010-02-08 16:22:31 +0100400{
Marcel Holtmannd4612cb2010-03-02 15:48:23 +0000401 struct hci_dev *hdev = f->private;
Johan Hedberg30883512012-01-04 14:16:21 +0200402 struct discovery_state *cache = &hdev->discovery;
Marcel Holtmannca325f62010-02-08 16:22:31 +0100403 struct inquiry_entry *e;
Marcel Holtmannca325f62010-02-08 16:22:31 +0100404
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300405 hci_dev_lock(hdev);
Marcel Holtmannca325f62010-02-08 16:22:31 +0100406
Johan Hedberg561aafb2012-01-04 13:31:59 +0200407 list_for_each_entry(e, &cache->all, all) {
Marcel Holtmannca325f62010-02-08 16:22:31 +0100408 struct inquiry_data *data = &e->data;
Marcel Holtmannd4612cb2010-03-02 15:48:23 +0000409 seq_printf(f, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
Gustavo F. Padovand6b2eb22010-09-03 18:29:46 -0300410 batostr(&data->bdaddr),
Marcel Holtmannd4612cb2010-03-02 15:48:23 +0000411 data->pscan_rep_mode, data->pscan_period_mode,
412 data->pscan_mode, data->dev_class[2],
413 data->dev_class[1], data->dev_class[0],
414 __le16_to_cpu(data->clock_offset),
415 data->rssi, data->ssp_mode, e->timestamp);
Marcel Holtmannca325f62010-02-08 16:22:31 +0100416 }
417
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300418 hci_dev_unlock(hdev);
Marcel Holtmannca325f62010-02-08 16:22:31 +0100419
Marcel Holtmannd4612cb2010-03-02 15:48:23 +0000420 return 0;
421}
422
423static int inquiry_cache_open(struct inode *inode, struct file *file)
424{
425 return single_open(file, inquiry_cache_show, inode->i_private);
Marcel Holtmannca325f62010-02-08 16:22:31 +0100426}
427
428static const struct file_operations inquiry_cache_fops = {
Marcel Holtmannd4612cb2010-03-02 15:48:23 +0000429 .open = inquiry_cache_open,
430 .read = seq_read,
431 .llseek = seq_lseek,
432 .release = single_release,
Marcel Holtmannca325f62010-02-08 16:22:31 +0100433};
434
Johan Hedberg32c2ece2010-05-18 13:54:49 +0200435static int blacklist_show(struct seq_file *f, void *p)
436{
437 struct hci_dev *hdev = f->private;
Luiz Augusto von Dentz8035ded2011-11-01 10:58:56 +0200438 struct bdaddr_list *b;
Johan Hedberg32c2ece2010-05-18 13:54:49 +0200439
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300440 hci_dev_lock(hdev);
Johan Hedberg32c2ece2010-05-18 13:54:49 +0200441
Luiz Augusto von Dentz8035ded2011-11-01 10:58:56 +0200442 list_for_each_entry(b, &hdev->blacklist, list)
Gustavo F. Padovand6b2eb22010-09-03 18:29:46 -0300443 seq_printf(f, "%s\n", batostr(&b->bdaddr));
Johan Hedberg32c2ece2010-05-18 13:54:49 +0200444
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300445 hci_dev_unlock(hdev);
Johan Hedberg32c2ece2010-05-18 13:54:49 +0200446
447 return 0;
448}
449
450static int blacklist_open(struct inode *inode, struct file *file)
451{
452 return single_open(file, blacklist_show, inode->i_private);
453}
454
455static const struct file_operations blacklist_fops = {
456 .open = blacklist_open,
457 .read = seq_read,
458 .llseek = seq_lseek,
459 .release = single_release,
460};
Johan Hedberg930e1332011-01-04 11:39:44 +0200461
462static void print_bt_uuid(struct seq_file *f, u8 *uuid)
463{
Andrei Emeltchenko739f43e2012-03-12 15:59:31 +0200464 __be32 data0, data4;
465 __be16 data1, data2, data3, data5;
Johan Hedberg930e1332011-01-04 11:39:44 +0200466
467 memcpy(&data0, &uuid[0], 4);
468 memcpy(&data1, &uuid[4], 2);
469 memcpy(&data2, &uuid[6], 2);
470 memcpy(&data3, &uuid[8], 2);
471 memcpy(&data4, &uuid[10], 4);
472 memcpy(&data5, &uuid[14], 2);
473
474 seq_printf(f, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x\n",
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300475 ntohl(data0), ntohs(data1), ntohs(data2), ntohs(data3),
476 ntohl(data4), ntohs(data5));
Johan Hedberg930e1332011-01-04 11:39:44 +0200477}
478
479static int uuids_show(struct seq_file *f, void *p)
480{
481 struct hci_dev *hdev = f->private;
Luiz Augusto von Dentz8035ded2011-11-01 10:58:56 +0200482 struct bt_uuid *uuid;
Johan Hedberg930e1332011-01-04 11:39:44 +0200483
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300484 hci_dev_lock(hdev);
Johan Hedberg930e1332011-01-04 11:39:44 +0200485
Luiz Augusto von Dentz8035ded2011-11-01 10:58:56 +0200486 list_for_each_entry(uuid, &hdev->uuids, list)
Johan Hedberg930e1332011-01-04 11:39:44 +0200487 print_bt_uuid(f, uuid->uuid);
Johan Hedberg930e1332011-01-04 11:39:44 +0200488
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300489 hci_dev_unlock(hdev);
Johan Hedberg930e1332011-01-04 11:39:44 +0200490
491 return 0;
492}
493
494static int uuids_open(struct inode *inode, struct file *file)
495{
496 return single_open(file, uuids_show, inode->i_private);
497}
498
499static const struct file_operations uuids_fops = {
500 .open = uuids_open,
501 .read = seq_read,
502 .llseek = seq_lseek,
503 .release = single_release,
504};
505
Johan Hedberg9f616562011-04-28 11:28:54 -0700506static int auto_accept_delay_set(void *data, u64 val)
507{
508 struct hci_dev *hdev = data;
509
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300510 hci_dev_lock(hdev);
Johan Hedberg9f616562011-04-28 11:28:54 -0700511
512 hdev->auto_accept_delay = val;
513
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300514 hci_dev_unlock(hdev);
Johan Hedberg9f616562011-04-28 11:28:54 -0700515
516 return 0;
517}
518
519static int auto_accept_delay_get(void *data, u64 *val)
520{
521 struct hci_dev *hdev = data;
522
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300523 hci_dev_lock(hdev);
Johan Hedberg9f616562011-04-28 11:28:54 -0700524
525 *val = hdev->auto_accept_delay;
526
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -0300527 hci_dev_unlock(hdev);
Johan Hedberg9f616562011-04-28 11:28:54 -0700528
529 return 0;
530}
531
532DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get,
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300533 auto_accept_delay_set, "%llu\n");
Johan Hedberg9f616562011-04-28 11:28:54 -0700534
David Herrmann0ac7e702011-10-08 14:58:47 +0200535void hci_init_sysfs(struct hci_dev *hdev)
536{
537 struct device *dev = &hdev->dev;
538
539 dev->type = &bt_host;
540 dev->class = bt_class;
541
David Herrmann46e06532012-01-07 15:47:21 +0100542 __module_get(THIS_MODULE);
David Herrmann0ac7e702011-10-08 14:58:47 +0200543 device_initialize(dev);
544}
545
David Herrmannce242972011-10-08 14:58:48 +0200546int hci_add_sysfs(struct hci_dev *hdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700547{
Marcel Holtmanna91f2e32006-07-03 10:02:41 +0200548 struct device *dev = &hdev->dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549 int err;
550
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100551 BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700552
Marcel Holtmann2e792992008-11-30 12:17:29 +0100553 dev_set_name(dev, "%s", hdev->name);
Marcel Holtmann27d35282006-07-03 10:02:37 +0200554
David Herrmann0ac7e702011-10-08 14:58:47 +0200555 err = device_add(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700556 if (err < 0)
557 return err;
558
Marcel Holtmannca325f62010-02-08 16:22:31 +0100559 if (!bt_debugfs)
560 return 0;
561
562 hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);
563 if (!hdev->debugfs)
564 return 0;
565
566 debugfs_create_file("inquiry_cache", 0444, hdev->debugfs,
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300567 hdev, &inquiry_cache_fops);
Marcel Holtmannca325f62010-02-08 16:22:31 +0100568
Johan Hedberg32c2ece2010-05-18 13:54:49 +0200569 debugfs_create_file("blacklist", 0444, hdev->debugfs,
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300570 hdev, &blacklist_fops);
Johan Hedberg32c2ece2010-05-18 13:54:49 +0200571
Johan Hedberg930e1332011-01-04 11:39:44 +0200572 debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops);
573
Johan Hedberg9f616562011-04-28 11:28:54 -0700574 debugfs_create_file("auto_accept_delay", 0444, hdev->debugfs, hdev,
Gustavo Padovanb80f0212012-05-17 00:36:23 -0300575 &auto_accept_delay_fops);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700576 return 0;
577}
578
David Herrmannce242972011-10-08 14:58:48 +0200579void hci_del_sysfs(struct hci_dev *hdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580{
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100581 BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582
Marcel Holtmannca325f62010-02-08 16:22:31 +0100583 debugfs_remove_recursive(hdev->debugfs);
584
Marcel Holtmann4d0eb002006-07-06 12:34:41 +0200585 device_del(&hdev->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586}
587
588int __init bt_sysfs_init(void)
589{
Marcel Holtmannca325f62010-02-08 16:22:31 +0100590 bt_debugfs = debugfs_create_dir("bluetooth", NULL);
591
Marcel Holtmanna91f2e32006-07-03 10:02:41 +0200592 bt_class = class_create(THIS_MODULE, "bluetooth");
Marcel Holtmannf48fd9c2010-03-20 15:20:04 +0100593 if (IS_ERR(bt_class))
Marcel Holtmann90855d72008-08-18 13:23:53 +0200594 return PTR_ERR(bt_class);
Marcel Holtmann27d35282006-07-03 10:02:37 +0200595
596 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597}
598
Arnaud Patard860e13b2006-09-28 15:29:37 -0700599void bt_sysfs_cleanup(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700600{
Marcel Holtmanna91f2e32006-07-03 10:02:41 +0200601 class_destroy(bt_class);
Marcel Holtmannca325f62010-02-08 16:22:31 +0100602
603 debugfs_remove_recursive(bt_debugfs);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700604}