Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* Bluetooth HCI driver model support. */ |
2 | ||
1da177e4 | 3 | #include <linux/kernel.h> |
5a0e3ad6 | 4 | #include <linux/slab.h> |
1da177e4 | 5 | #include <linux/init.h> |
ca325f69 | 6 | #include <linux/debugfs.h> |
d4612cb8 | 7 | #include <linux/seq_file.h> |
3a9a231d | 8 | #include <linux/module.h> |
1da177e4 LT |
9 | |
10 | #include <net/bluetooth/bluetooth.h> | |
11 | #include <net/bluetooth/hci_core.h> | |
12 | ||
aef7d97c | 13 | static struct class *bt_class; |
90855d7b | 14 | |
602f9887 | 15 | struct dentry *bt_debugfs; |
ca325f69 MH |
16 | EXPORT_SYMBOL_GPL(bt_debugfs); |
17 | ||
90855d7b MH |
18 | static inline char *link_typetostr(int type) |
19 | { | |
20 | switch (type) { | |
21 | case ACL_LINK: | |
22 | return "ACL"; | |
23 | case SCO_LINK: | |
24 | return "SCO"; | |
25 | case ESCO_LINK: | |
26 | return "eSCO"; | |
21061df3 PH |
27 | case LE_LINK: |
28 | return "LE"; | |
90855d7b MH |
29 | default: |
30 | return "UNKNOWN"; | |
31 | } | |
32 | } | |
33 | ||
b80f021f GP |
34 | static ssize_t show_link_type(struct device *dev, |
35 | struct device_attribute *attr, char *buf) | |
90855d7b | 36 | { |
3dc07322 | 37 | struct hci_conn *conn = to_hci_conn(dev); |
90855d7b MH |
38 | return sprintf(buf, "%s\n", link_typetostr(conn->type)); |
39 | } | |
40 | ||
b80f021f GP |
41 | static ssize_t show_link_address(struct device *dev, |
42 | struct device_attribute *attr, char *buf) | |
90855d7b | 43 | { |
3dc07322 | 44 | struct hci_conn *conn = to_hci_conn(dev); |
d6b2eb2f | 45 | return sprintf(buf, "%s\n", batostr(&conn->dst)); |
90855d7b MH |
46 | } |
47 | ||
b80f021f GP |
48 | static ssize_t show_link_features(struct device *dev, |
49 | struct device_attribute *attr, char *buf) | |
90855d7b | 50 | { |
3dc07322 | 51 | struct hci_conn *conn = to_hci_conn(dev); |
90855d7b MH |
52 | |
53 | return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n", | |
b80f021f GP |
54 | conn->features[0], conn->features[1], |
55 | conn->features[2], conn->features[3], | |
56 | conn->features[4], conn->features[5], | |
57 | conn->features[6], conn->features[7]); | |
90855d7b MH |
58 | } |
59 | ||
602f9887 GP |
60 | #define LINK_ATTR(_name, _mode, _show, _store) \ |
61 | struct device_attribute link_attr_##_name = __ATTR(_name, _mode, _show, _store) | |
90855d7b MH |
62 | |
63 | static LINK_ATTR(type, S_IRUGO, show_link_type, NULL); | |
64 | static LINK_ATTR(address, S_IRUGO, show_link_address, NULL); | |
65 | static LINK_ATTR(features, S_IRUGO, show_link_features, NULL); | |
66 | ||
67 | static struct attribute *bt_link_attrs[] = { | |
68 | &link_attr_type.attr, | |
69 | &link_attr_address.attr, | |
70 | &link_attr_features.attr, | |
71 | NULL | |
72 | }; | |
73 | ||
74 | static struct attribute_group bt_link_group = { | |
75 | .attrs = bt_link_attrs, | |
76 | }; | |
77 | ||
a4dbd674 | 78 | static const struct attribute_group *bt_link_groups[] = { |
90855d7b MH |
79 | &bt_link_group, |
80 | NULL | |
81 | }; | |
82 | ||
83 | static void bt_link_release(struct device *dev) | |
84 | { | |
2dd10688 DH |
85 | struct hci_conn *conn = to_hci_conn(dev); |
86 | kfree(conn); | |
90855d7b MH |
87 | } |
88 | ||
89 | static struct device_type bt_link = { | |
90 | .name = "link", | |
91 | .groups = bt_link_groups, | |
92 | .release = bt_link_release, | |
93 | }; | |
94 | ||
6d438e33 GP |
95 | /* |
96 | * The rfcomm tty device will possibly retain even when conn | |
97 | * is down, and sysfs doesn't support move zombie device, | |
98 | * so we should move the device before conn device is destroyed. | |
99 | */ | |
100 | static int __match_tty(struct device *dev, void *data) | |
101 | { | |
102 | return !strncmp(dev_name(dev), "rfcomm", 6); | |
103 | } | |
104 | ||
105 | void hci_conn_init_sysfs(struct hci_conn *conn) | |
106 | { | |
107 | struct hci_dev *hdev = conn->hdev; | |
108 | ||
109 | BT_DBG("conn %p", conn); | |
110 | ||
111 | conn->dev.type = &bt_link; | |
112 | conn->dev.class = bt_class; | |
113 | conn->dev.parent = &hdev->dev; | |
114 | ||
115 | device_initialize(&conn->dev); | |
116 | } | |
117 | ||
118 | void hci_conn_add_sysfs(struct hci_conn *conn) | |
90855d7b | 119 | { |
457ca7bb | 120 | struct hci_dev *hdev = conn->hdev; |
90855d7b | 121 | |
6d438e33 GP |
122 | BT_DBG("conn %p", conn); |
123 | ||
457ca7bb MH |
124 | dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle); |
125 | ||
90855d7b MH |
126 | if (device_add(&conn->dev) < 0) { |
127 | BT_ERR("Failed to register connection device"); | |
128 | return; | |
129 | } | |
384943ec MH |
130 | |
131 | hci_dev_hold(hdev); | |
90855d7b MH |
132 | } |
133 | ||
6d438e33 | 134 | void hci_conn_del_sysfs(struct hci_conn *conn) |
90855d7b | 135 | { |
90855d7b MH |
136 | struct hci_dev *hdev = conn->hdev; |
137 | ||
a67e899c MH |
138 | if (!device_is_registered(&conn->dev)) |
139 | return; | |
f3784d83 | 140 | |
90855d7b MH |
141 | while (1) { |
142 | struct device *dev; | |
143 | ||
144 | dev = device_find_child(&conn->dev, NULL, __match_tty); | |
145 | if (!dev) | |
146 | break; | |
ffa6a705 | 147 | device_move(dev, NULL, DPM_ORDER_DEV_LAST); |
90855d7b MH |
148 | put_device(dev); |
149 | } | |
150 | ||
151 | device_del(&conn->dev); | |
152 | put_device(&conn->dev); | |
384943ec | 153 | |
90855d7b MH |
154 | hci_dev_put(hdev); |
155 | } | |
156 | ||
c13854ce | 157 | static inline char *host_bustostr(int bus) |
1da177e4 | 158 | { |
c13854ce | 159 | switch (bus) { |
0ac53939 | 160 | case HCI_VIRTUAL: |
4d0eb004 MH |
161 | return "VIRTUAL"; |
162 | case HCI_USB: | |
163 | return "USB"; | |
164 | case HCI_PCCARD: | |
165 | return "PCCARD"; | |
166 | case HCI_UART: | |
167 | return "UART"; | |
168 | case HCI_RS232: | |
169 | return "RS232"; | |
170 | case HCI_PCI: | |
171 | return "PCI"; | |
0ac53939 MH |
172 | case HCI_SDIO: |
173 | return "SDIO"; | |
4d0eb004 MH |
174 | default: |
175 | return "UNKNOWN"; | |
176 | } | |
1da177e4 LT |
177 | } |
178 | ||
943da25d MH |
179 | static inline char *host_typetostr(int type) |
180 | { | |
181 | switch (type) { | |
182 | case HCI_BREDR: | |
183 | return "BR/EDR"; | |
8f1e1742 DV |
184 | case HCI_AMP: |
185 | return "AMP"; | |
943da25d MH |
186 | default: |
187 | return "UNKNOWN"; | |
188 | } | |
189 | } | |
190 | ||
b80f021f GP |
191 | static ssize_t show_bus(struct device *dev, |
192 | struct device_attribute *attr, char *buf) | |
1da177e4 | 193 | { |
aa2b86d7 | 194 | struct hci_dev *hdev = to_hci_dev(dev); |
c13854ce | 195 | return sprintf(buf, "%s\n", host_bustostr(hdev->bus)); |
1da177e4 LT |
196 | } |
197 | ||
b80f021f GP |
198 | static ssize_t show_type(struct device *dev, |
199 | struct device_attribute *attr, char *buf) | |
943da25d | 200 | { |
aa2b86d7 | 201 | struct hci_dev *hdev = to_hci_dev(dev); |
943da25d MH |
202 | return sprintf(buf, "%s\n", host_typetostr(hdev->dev_type)); |
203 | } | |
204 | ||
b80f021f GP |
205 | static ssize_t show_name(struct device *dev, |
206 | struct device_attribute *attr, char *buf) | |
a9de9248 | 207 | { |
aa2b86d7 | 208 | struct hci_dev *hdev = to_hci_dev(dev); |
1f6c6378 | 209 | char name[HCI_MAX_NAME_LENGTH + 1]; |
a9de9248 MH |
210 | int i; |
211 | ||
1f6c6378 | 212 | for (i = 0; i < HCI_MAX_NAME_LENGTH; i++) |
a9de9248 MH |
213 | name[i] = hdev->dev_name[i]; |
214 | ||
1f6c6378 | 215 | name[HCI_MAX_NAME_LENGTH] = '\0'; |
a9de9248 MH |
216 | return sprintf(buf, "%s\n", name); |
217 | } | |
218 | ||
b80f021f GP |
219 | static ssize_t show_class(struct device *dev, |
220 | struct device_attribute *attr, char *buf) | |
a9de9248 | 221 | { |
aa2b86d7 | 222 | struct hci_dev *hdev = to_hci_dev(dev); |
8fc9ced3 GP |
223 | return sprintf(buf, "0x%.2x%.2x%.2x\n", hdev->dev_class[2], |
224 | hdev->dev_class[1], hdev->dev_class[0]); | |
a9de9248 MH |
225 | } |
226 | ||
b80f021f GP |
227 | static ssize_t show_address(struct device *dev, |
228 | struct device_attribute *attr, char *buf) | |
1da177e4 | 229 | { |
aa2b86d7 | 230 | struct hci_dev *hdev = to_hci_dev(dev); |
d6b2eb2f | 231 | return sprintf(buf, "%s\n", batostr(&hdev->bdaddr)); |
1da177e4 LT |
232 | } |
233 | ||
b80f021f GP |
234 | static ssize_t show_features(struct device *dev, |
235 | struct device_attribute *attr, char *buf) | |
a9de9248 | 236 | { |
aa2b86d7 | 237 | struct hci_dev *hdev = to_hci_dev(dev); |
a9de9248 MH |
238 | |
239 | return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n", | |
b80f021f GP |
240 | hdev->features[0], hdev->features[1], |
241 | hdev->features[2], hdev->features[3], | |
242 | hdev->features[4], hdev->features[5], | |
243 | hdev->features[6], hdev->features[7]); | |
a9de9248 MH |
244 | } |
245 | ||
b80f021f GP |
246 | static ssize_t show_manufacturer(struct device *dev, |
247 | struct device_attribute *attr, char *buf) | |
1143e5a6 | 248 | { |
aa2b86d7 | 249 | struct hci_dev *hdev = to_hci_dev(dev); |
1143e5a6 MH |
250 | return sprintf(buf, "%d\n", hdev->manufacturer); |
251 | } | |
252 | ||
b80f021f GP |
253 | static ssize_t show_hci_version(struct device *dev, |
254 | struct device_attribute *attr, char *buf) | |
1143e5a6 | 255 | { |
aa2b86d7 | 256 | struct hci_dev *hdev = to_hci_dev(dev); |
1143e5a6 MH |
257 | return sprintf(buf, "%d\n", hdev->hci_ver); |
258 | } | |
259 | ||
b80f021f GP |
260 | static ssize_t show_hci_revision(struct device *dev, |
261 | struct device_attribute *attr, char *buf) | |
1143e5a6 | 262 | { |
aa2b86d7 | 263 | struct hci_dev *hdev = to_hci_dev(dev); |
1143e5a6 MH |
264 | return sprintf(buf, "%d\n", hdev->hci_rev); |
265 | } | |
266 | ||
b80f021f GP |
267 | static ssize_t show_idle_timeout(struct device *dev, |
268 | struct device_attribute *attr, char *buf) | |
04837f64 | 269 | { |
aa2b86d7 | 270 | struct hci_dev *hdev = to_hci_dev(dev); |
04837f64 MH |
271 | return sprintf(buf, "%d\n", hdev->idle_timeout); |
272 | } | |
273 | ||
b80f021f GP |
274 | static ssize_t store_idle_timeout(struct device *dev, |
275 | struct device_attribute *attr, | |
276 | const char *buf, size_t count) | |
04837f64 | 277 | { |
aa2b86d7 | 278 | struct hci_dev *hdev = to_hci_dev(dev); |
db940cb0 AD |
279 | unsigned int val; |
280 | int rv; | |
04837f64 | 281 | |
db940cb0 AD |
282 | rv = kstrtouint(buf, 0, &val); |
283 | if (rv < 0) | |
284 | return rv; | |
04837f64 MH |
285 | |
286 | if (val != 0 && (val < 500 || val > 3600000)) | |
287 | return -EINVAL; | |
288 | ||
289 | hdev->idle_timeout = val; | |
290 | ||
291 | return count; | |
292 | } | |
293 | ||
b80f021f GP |
294 | static ssize_t show_sniff_max_interval(struct device *dev, |
295 | struct device_attribute *attr, char *buf) | |
04837f64 | 296 | { |
aa2b86d7 | 297 | struct hci_dev *hdev = to_hci_dev(dev); |
04837f64 MH |
298 | return sprintf(buf, "%d\n", hdev->sniff_max_interval); |
299 | } | |
300 | ||
b80f021f GP |
301 | static ssize_t store_sniff_max_interval(struct device *dev, |
302 | struct device_attribute *attr, | |
303 | const char *buf, size_t count) | |
04837f64 | 304 | { |
aa2b86d7 | 305 | struct hci_dev *hdev = to_hci_dev(dev); |
db940cb0 AD |
306 | u16 val; |
307 | int rv; | |
04837f64 | 308 | |
db940cb0 AD |
309 | rv = kstrtou16(buf, 0, &val); |
310 | if (rv < 0) | |
311 | return rv; | |
04837f64 | 312 | |
db940cb0 | 313 | if (val == 0 || val % 2 || val < hdev->sniff_min_interval) |
04837f64 MH |
314 | return -EINVAL; |
315 | ||
316 | hdev->sniff_max_interval = val; | |
317 | ||
318 | return count; | |
319 | } | |
320 | ||
b80f021f GP |
321 | static ssize_t show_sniff_min_interval(struct device *dev, |
322 | struct device_attribute *attr, char *buf) | |
04837f64 | 323 | { |
aa2b86d7 | 324 | struct hci_dev *hdev = to_hci_dev(dev); |
04837f64 MH |
325 | return sprintf(buf, "%d\n", hdev->sniff_min_interval); |
326 | } | |
327 | ||
b80f021f GP |
328 | static ssize_t store_sniff_min_interval(struct device *dev, |
329 | struct device_attribute *attr, | |
330 | const char *buf, size_t count) | |
04837f64 | 331 | { |
aa2b86d7 | 332 | struct hci_dev *hdev = to_hci_dev(dev); |
db940cb0 AD |
333 | u16 val; |
334 | int rv; | |
04837f64 | 335 | |
db940cb0 AD |
336 | rv = kstrtou16(buf, 0, &val); |
337 | if (rv < 0) | |
338 | return rv; | |
04837f64 | 339 | |
db940cb0 | 340 | if (val == 0 || val % 2 || val > hdev->sniff_max_interval) |
04837f64 MH |
341 | return -EINVAL; |
342 | ||
343 | hdev->sniff_min_interval = val; | |
344 | ||
345 | return count; | |
346 | } | |
347 | ||
c13854ce | 348 | static DEVICE_ATTR(bus, S_IRUGO, show_bus, NULL); |
943da25d | 349 | static DEVICE_ATTR(type, S_IRUGO, show_type, NULL); |
a9de9248 MH |
350 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
351 | static DEVICE_ATTR(class, S_IRUGO, show_class, NULL); | |
a91f2e39 | 352 | static DEVICE_ATTR(address, S_IRUGO, show_address, NULL); |
a9de9248 | 353 | static DEVICE_ATTR(features, S_IRUGO, show_features, NULL); |
1143e5a6 MH |
354 | static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL); |
355 | static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL); | |
356 | static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL); | |
1da177e4 | 357 | |
a91f2e39 | 358 | static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR, |
b80f021f | 359 | show_idle_timeout, store_idle_timeout); |
a91f2e39 | 360 | static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR, |
b80f021f | 361 | show_sniff_max_interval, store_sniff_max_interval); |
a91f2e39 | 362 | static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR, |
b80f021f | 363 | show_sniff_min_interval, store_sniff_min_interval); |
04837f64 | 364 | |
90855d7b | 365 | static struct attribute *bt_host_attrs[] = { |
c13854ce | 366 | &dev_attr_bus.attr, |
943da25d | 367 | &dev_attr_type.attr, |
90855d7b MH |
368 | &dev_attr_name.attr, |
369 | &dev_attr_class.attr, | |
370 | &dev_attr_address.attr, | |
371 | &dev_attr_features.attr, | |
372 | &dev_attr_manufacturer.attr, | |
373 | &dev_attr_hci_version.attr, | |
374 | &dev_attr_hci_revision.attr, | |
90855d7b MH |
375 | &dev_attr_idle_timeout.attr, |
376 | &dev_attr_sniff_max_interval.attr, | |
377 | &dev_attr_sniff_min_interval.attr, | |
1da177e4 LT |
378 | NULL |
379 | }; | |
380 | ||
90855d7b MH |
381 | static struct attribute_group bt_host_group = { |
382 | .attrs = bt_host_attrs, | |
b219e3ac MH |
383 | }; |
384 | ||
a4dbd674 | 385 | static const struct attribute_group *bt_host_groups[] = { |
90855d7b MH |
386 | &bt_host_group, |
387 | NULL | |
27d35284 MH |
388 | }; |
389 | ||
90855d7b | 390 | static void bt_host_release(struct device *dev) |
a91f2e39 | 391 | { |
2dd10688 DH |
392 | struct hci_dev *hdev = to_hci_dev(dev); |
393 | kfree(hdev); | |
46e06531 | 394 | module_put(THIS_MODULE); |
b219e3ac MH |
395 | } |
396 | ||
90855d7b MH |
397 | static struct device_type bt_host = { |
398 | .name = "host", | |
399 | .groups = bt_host_groups, | |
400 | .release = bt_host_release, | |
401 | }; | |
a91f2e39 | 402 | |
d4612cb8 | 403 | static int inquiry_cache_show(struct seq_file *f, void *p) |
ca325f69 | 404 | { |
d4612cb8 | 405 | struct hci_dev *hdev = f->private; |
30883512 | 406 | struct discovery_state *cache = &hdev->discovery; |
ca325f69 | 407 | struct inquiry_entry *e; |
ca325f69 | 408 | |
09fd0de5 | 409 | hci_dev_lock(hdev); |
ca325f69 | 410 | |
561aafbc | 411 | list_for_each_entry(e, &cache->all, all) { |
ca325f69 | 412 | struct inquiry_data *data = &e->data; |
d4612cb8 | 413 | seq_printf(f, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n", |
d6b2eb2f | 414 | batostr(&data->bdaddr), |
d4612cb8 MH |
415 | data->pscan_rep_mode, data->pscan_period_mode, |
416 | data->pscan_mode, data->dev_class[2], | |
417 | data->dev_class[1], data->dev_class[0], | |
418 | __le16_to_cpu(data->clock_offset), | |
419 | data->rssi, data->ssp_mode, e->timestamp); | |
ca325f69 MH |
420 | } |
421 | ||
09fd0de5 | 422 | hci_dev_unlock(hdev); |
ca325f69 | 423 | |
d4612cb8 MH |
424 | return 0; |
425 | } | |
426 | ||
427 | static int inquiry_cache_open(struct inode *inode, struct file *file) | |
428 | { | |
429 | return single_open(file, inquiry_cache_show, inode->i_private); | |
ca325f69 MH |
430 | } |
431 | ||
432 | static const struct file_operations inquiry_cache_fops = { | |
d4612cb8 MH |
433 | .open = inquiry_cache_open, |
434 | .read = seq_read, | |
435 | .llseek = seq_lseek, | |
436 | .release = single_release, | |
ca325f69 MH |
437 | }; |
438 | ||
32c2ece5 JH |
439 | static int blacklist_show(struct seq_file *f, void *p) |
440 | { | |
441 | struct hci_dev *hdev = f->private; | |
8035ded4 | 442 | struct bdaddr_list *b; |
32c2ece5 | 443 | |
09fd0de5 | 444 | hci_dev_lock(hdev); |
32c2ece5 | 445 | |
8035ded4 | 446 | list_for_each_entry(b, &hdev->blacklist, list) |
d6b2eb2f | 447 | seq_printf(f, "%s\n", batostr(&b->bdaddr)); |
32c2ece5 | 448 | |
09fd0de5 | 449 | hci_dev_unlock(hdev); |
32c2ece5 JH |
450 | |
451 | return 0; | |
452 | } | |
453 | ||
454 | static int blacklist_open(struct inode *inode, struct file *file) | |
455 | { | |
456 | return single_open(file, blacklist_show, inode->i_private); | |
457 | } | |
458 | ||
459 | static const struct file_operations blacklist_fops = { | |
460 | .open = blacklist_open, | |
461 | .read = seq_read, | |
462 | .llseek = seq_lseek, | |
463 | .release = single_release, | |
464 | }; | |
930e1336 JH |
465 | |
466 | static void print_bt_uuid(struct seq_file *f, u8 *uuid) | |
467 | { | |
739f43e8 AE |
468 | __be32 data0, data4; |
469 | __be16 data1, data2, data3, data5; | |
930e1336 JH |
470 | |
471 | memcpy(&data0, &uuid[0], 4); | |
472 | memcpy(&data1, &uuid[4], 2); | |
473 | memcpy(&data2, &uuid[6], 2); | |
474 | memcpy(&data3, &uuid[8], 2); | |
475 | memcpy(&data4, &uuid[10], 4); | |
476 | memcpy(&data5, &uuid[14], 2); | |
477 | ||
478 | seq_printf(f, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x\n", | |
b80f021f GP |
479 | ntohl(data0), ntohs(data1), ntohs(data2), ntohs(data3), |
480 | ntohl(data4), ntohs(data5)); | |
930e1336 JH |
481 | } |
482 | ||
483 | static int uuids_show(struct seq_file *f, void *p) | |
484 | { | |
485 | struct hci_dev *hdev = f->private; | |
8035ded4 | 486 | struct bt_uuid *uuid; |
930e1336 | 487 | |
09fd0de5 | 488 | hci_dev_lock(hdev); |
930e1336 | 489 | |
8035ded4 | 490 | list_for_each_entry(uuid, &hdev->uuids, list) |
930e1336 | 491 | print_bt_uuid(f, uuid->uuid); |
930e1336 | 492 | |
09fd0de5 | 493 | hci_dev_unlock(hdev); |
930e1336 JH |
494 | |
495 | return 0; | |
496 | } | |
497 | ||
498 | static int uuids_open(struct inode *inode, struct file *file) | |
499 | { | |
500 | return single_open(file, uuids_show, inode->i_private); | |
501 | } | |
502 | ||
503 | static const struct file_operations uuids_fops = { | |
504 | .open = uuids_open, | |
505 | .read = seq_read, | |
506 | .llseek = seq_lseek, | |
507 | .release = single_release, | |
508 | }; | |
509 | ||
9f61656a JH |
510 | static int auto_accept_delay_set(void *data, u64 val) |
511 | { | |
512 | struct hci_dev *hdev = data; | |
513 | ||
09fd0de5 | 514 | hci_dev_lock(hdev); |
9f61656a JH |
515 | |
516 | hdev->auto_accept_delay = val; | |
517 | ||
09fd0de5 | 518 | hci_dev_unlock(hdev); |
9f61656a JH |
519 | |
520 | return 0; | |
521 | } | |
522 | ||
523 | static int auto_accept_delay_get(void *data, u64 *val) | |
524 | { | |
525 | struct hci_dev *hdev = data; | |
526 | ||
09fd0de5 | 527 | hci_dev_lock(hdev); |
9f61656a JH |
528 | |
529 | *val = hdev->auto_accept_delay; | |
530 | ||
09fd0de5 | 531 | hci_dev_unlock(hdev); |
9f61656a JH |
532 | |
533 | return 0; | |
534 | } | |
535 | ||
536 | DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get, | |
b80f021f | 537 | auto_accept_delay_set, "%llu\n"); |
9f61656a | 538 | |
0ac7e700 DH |
539 | void hci_init_sysfs(struct hci_dev *hdev) |
540 | { | |
541 | struct device *dev = &hdev->dev; | |
542 | ||
543 | dev->type = &bt_host; | |
544 | dev->class = bt_class; | |
545 | ||
46e06531 | 546 | __module_get(THIS_MODULE); |
0ac7e700 DH |
547 | device_initialize(dev); |
548 | } | |
549 | ||
ce242970 | 550 | int hci_add_sysfs(struct hci_dev *hdev) |
1da177e4 | 551 | { |
a91f2e39 | 552 | struct device *dev = &hdev->dev; |
1da177e4 LT |
553 | int err; |
554 | ||
c13854ce | 555 | BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); |
1da177e4 | 556 | |
2e792995 | 557 | dev_set_name(dev, "%s", hdev->name); |
1da177e4 | 558 | |
0ac7e700 | 559 | err = device_add(dev); |
1da177e4 LT |
560 | if (err < 0) |
561 | return err; | |
562 | ||
ca325f69 MH |
563 | if (!bt_debugfs) |
564 | return 0; | |
565 | ||
566 | hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs); | |
567 | if (!hdev->debugfs) | |
568 | return 0; | |
569 | ||
570 | debugfs_create_file("inquiry_cache", 0444, hdev->debugfs, | |
b80f021f | 571 | hdev, &inquiry_cache_fops); |
ca325f69 | 572 | |
32c2ece5 | 573 | debugfs_create_file("blacklist", 0444, hdev->debugfs, |
b80f021f | 574 | hdev, &blacklist_fops); |
32c2ece5 | 575 | |
930e1336 JH |
576 | debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops); |
577 | ||
9f61656a | 578 | debugfs_create_file("auto_accept_delay", 0444, hdev->debugfs, hdev, |
b80f021f | 579 | &auto_accept_delay_fops); |
1da177e4 LT |
580 | return 0; |
581 | } | |
582 | ||
ce242970 | 583 | void hci_del_sysfs(struct hci_dev *hdev) |
1da177e4 | 584 | { |
c13854ce | 585 | BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); |
1da177e4 | 586 | |
ca325f69 MH |
587 | debugfs_remove_recursive(hdev->debugfs); |
588 | ||
4d0eb004 | 589 | device_del(&hdev->dev); |
1da177e4 LT |
590 | } |
591 | ||
592 | int __init bt_sysfs_init(void) | |
593 | { | |
ca325f69 MH |
594 | bt_debugfs = debugfs_create_dir("bluetooth", NULL); |
595 | ||
a91f2e39 | 596 | bt_class = class_create(THIS_MODULE, "bluetooth"); |
f48fd9c8 | 597 | if (IS_ERR(bt_class)) |
90855d7b | 598 | return PTR_ERR(bt_class); |
27d35284 MH |
599 | |
600 | return 0; | |
1da177e4 LT |
601 | } |
602 | ||
860e13b5 | 603 | void bt_sysfs_cleanup(void) |
1da177e4 | 604 | { |
a91f2e39 | 605 | class_destroy(bt_class); |
ca325f69 MH |
606 | |
607 | debugfs_remove_recursive(bt_debugfs); | |
1da177e4 | 608 | } |