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Diffstat (limited to 'net/bluetooth/hci_sysfs.c')
-rw-r--r--net/bluetooth/hci_sysfs.c325
1 files changed, 264 insertions, 61 deletions
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 0ed38740388c..989b22d9042e 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -1,9 +1,10 @@
1/* Bluetooth HCI driver model support. */ 1/* Bluetooth HCI driver model support. */
2 2
3#include <linux/config.h>
4#include <linux/kernel.h> 3#include <linux/kernel.h>
5#include <linux/init.h> 4#include <linux/init.h>
6 5
6#include <linux/platform_device.h>
7
7#include <net/bluetooth/bluetooth.h> 8#include <net/bluetooth/bluetooth.h>
8#include <net/bluetooth/hci_core.h> 9#include <net/bluetooth/hci_core.h>
9 10
@@ -12,35 +13,63 @@
12#define BT_DBG(D...) 13#define BT_DBG(D...)
13#endif 14#endif
14 15
15static ssize_t show_name(struct class_device *cdev, char *buf) 16static inline char *typetostr(int type)
16{ 17{
17 struct hci_dev *hdev = class_get_devdata(cdev); 18 switch (type) {
18 return sprintf(buf, "%s\n", hdev->name); 19 case HCI_VIRTUAL:
20 return "VIRTUAL";
21 case HCI_USB:
22 return "USB";
23 case HCI_PCCARD:
24 return "PCCARD";
25 case HCI_UART:
26 return "UART";
27 case HCI_RS232:
28 return "RS232";
29 case HCI_PCI:
30 return "PCI";
31 case HCI_SDIO:
32 return "SDIO";
33 default:
34 return "UNKNOWN";
35 }
19} 36}
20 37
21static ssize_t show_type(struct class_device *cdev, char *buf) 38static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf)
22{ 39{
23 struct hci_dev *hdev = class_get_devdata(cdev); 40 struct hci_dev *hdev = dev_get_drvdata(dev);
24 return sprintf(buf, "%d\n", hdev->type); 41 return sprintf(buf, "%s\n", typetostr(hdev->type));
25} 42}
26 43
27static ssize_t show_address(struct class_device *cdev, char *buf) 44static ssize_t show_address(struct device *dev, struct device_attribute *attr, char *buf)
28{ 45{
29 struct hci_dev *hdev = class_get_devdata(cdev); 46 struct hci_dev *hdev = dev_get_drvdata(dev);
30 bdaddr_t bdaddr; 47 bdaddr_t bdaddr;
31 baswap(&bdaddr, &hdev->bdaddr); 48 baswap(&bdaddr, &hdev->bdaddr);
32 return sprintf(buf, "%s\n", batostr(&bdaddr)); 49 return sprintf(buf, "%s\n", batostr(&bdaddr));
33} 50}
34 51
35static ssize_t show_flags(struct class_device *cdev, char *buf) 52static ssize_t show_manufacturer(struct device *dev, struct device_attribute *attr, char *buf)
53{
54 struct hci_dev *hdev = dev_get_drvdata(dev);
55 return sprintf(buf, "%d\n", hdev->manufacturer);
56}
57
58static ssize_t show_hci_version(struct device *dev, struct device_attribute *attr, char *buf)
59{
60 struct hci_dev *hdev = dev_get_drvdata(dev);
61 return sprintf(buf, "%d\n", hdev->hci_ver);
62}
63
64static ssize_t show_hci_revision(struct device *dev, struct device_attribute *attr, char *buf)
36{ 65{
37 struct hci_dev *hdev = class_get_devdata(cdev); 66 struct hci_dev *hdev = dev_get_drvdata(dev);
38 return sprintf(buf, "0x%lx\n", hdev->flags); 67 return sprintf(buf, "%d\n", hdev->hci_rev);
39} 68}
40 69
41static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf) 70static ssize_t show_inquiry_cache(struct device *dev, struct device_attribute *attr, char *buf)
42{ 71{
43 struct hci_dev *hdev = class_get_devdata(cdev); 72 struct hci_dev *hdev = dev_get_drvdata(dev);
44 struct inquiry_cache *cache = &hdev->inq_cache; 73 struct inquiry_cache *cache = &hdev->inq_cache;
45 struct inquiry_entry *e; 74 struct inquiry_entry *e;
46 int n = 0; 75 int n = 0;
@@ -62,94 +91,268 @@ static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf)
62 return n; 91 return n;
63} 92}
64 93
65static CLASS_DEVICE_ATTR(name, S_IRUGO, show_name, NULL); 94static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf)
66static CLASS_DEVICE_ATTR(type, S_IRUGO, show_type, NULL); 95{
67static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL); 96 struct hci_dev *hdev = dev_get_drvdata(dev);
68static CLASS_DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL); 97 return sprintf(buf, "%d\n", hdev->idle_timeout);
69static CLASS_DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL); 98}
70 99
71static struct class_device_attribute *bt_attrs[] = { 100static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
72 &class_device_attr_name, 101{
73 &class_device_attr_type, 102 struct hci_dev *hdev = dev_get_drvdata(dev);
74 &class_device_attr_address, 103 char *ptr;
75 &class_device_attr_flags, 104 __u32 val;
76 &class_device_attr_inquiry_cache, 105
77 NULL 106 val = simple_strtoul(buf, &ptr, 10);
78}; 107 if (ptr == buf)
108 return -EINVAL;
109
110 if (val != 0 && (val < 500 || val > 3600000))
111 return -EINVAL;
112
113 hdev->idle_timeout = val;
114
115 return count;
116}
79 117
80#ifdef CONFIG_HOTPLUG 118static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribute *attr, char *buf)
81static int bt_uevent(struct class_device *cdev, char **envp, int num_envp, char *buf, int size)
82{ 119{
83 struct hci_dev *hdev = class_get_devdata(cdev); 120 struct hci_dev *hdev = dev_get_drvdata(dev);
84 int n, i = 0; 121 return sprintf(buf, "%d\n", hdev->sniff_max_interval);
122}
85 123
86 envp[i++] = buf; 124static ssize_t store_sniff_max_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
87 n = snprintf(buf, size, "INTERFACE=%s", hdev->name) + 1; 125{
88 buf += n; 126 struct hci_dev *hdev = dev_get_drvdata(dev);
89 size -= n; 127 char *ptr;
128 __u16 val;
90 129
91 if ((size <= 0) || (i >= num_envp)) 130 val = simple_strtoul(buf, &ptr, 10);
92 return -ENOMEM; 131 if (ptr == buf)
132 return -EINVAL;
93 133
94 envp[i] = NULL; 134 if (val < 0x0002 || val > 0xFFFE || val % 2)
95 return 0; 135 return -EINVAL;
136
137 if (val < hdev->sniff_min_interval)
138 return -EINVAL;
139
140 hdev->sniff_max_interval = val;
141
142 return count;
143}
144
145static ssize_t show_sniff_min_interval(struct device *dev, struct device_attribute *attr, char *buf)
146{
147 struct hci_dev *hdev = dev_get_drvdata(dev);
148 return sprintf(buf, "%d\n", hdev->sniff_min_interval);
96} 149}
97#endif
98 150
99static void bt_release(struct class_device *cdev) 151static ssize_t store_sniff_min_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
100{ 152{
101 struct hci_dev *hdev = class_get_devdata(cdev); 153 struct hci_dev *hdev = dev_get_drvdata(dev);
154 char *ptr;
155 __u16 val;
156
157 val = simple_strtoul(buf, &ptr, 10);
158 if (ptr == buf)
159 return -EINVAL;
102 160
103 kfree(hdev); 161 if (val < 0x0002 || val > 0xFFFE || val % 2)
162 return -EINVAL;
163
164 if (val > hdev->sniff_max_interval)
165 return -EINVAL;
166
167 hdev->sniff_min_interval = val;
168
169 return count;
104} 170}
105 171
106struct class bt_class = { 172static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
107 .name = "bluetooth", 173static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
108 .release = bt_release, 174static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL);
109#ifdef CONFIG_HOTPLUG 175static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL);
110 .uevent = bt_uevent, 176static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL);
111#endif 177static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
178
179static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
180 show_idle_timeout, store_idle_timeout);
181static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
182 show_sniff_max_interval, store_sniff_max_interval);
183static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
184 show_sniff_min_interval, store_sniff_min_interval);
185
186static struct device_attribute *bt_attrs[] = {
187 &dev_attr_type,
188 &dev_attr_address,
189 &dev_attr_manufacturer,
190 &dev_attr_hci_version,
191 &dev_attr_hci_revision,
192 &dev_attr_inquiry_cache,
193 &dev_attr_idle_timeout,
194 &dev_attr_sniff_max_interval,
195 &dev_attr_sniff_min_interval,
196 NULL
112}; 197};
113 198
199static ssize_t show_conn_type(struct device *dev, struct device_attribute *attr, char *buf)
200{
201 struct hci_conn *conn = dev_get_drvdata(dev);
202 return sprintf(buf, "%s\n", conn->type == ACL_LINK ? "ACL" : "SCO");
203}
204
205static ssize_t show_conn_address(struct device *dev, struct device_attribute *attr, char *buf)
206{
207 struct hci_conn *conn = dev_get_drvdata(dev);
208 bdaddr_t bdaddr;
209 baswap(&bdaddr, &conn->dst);
210 return sprintf(buf, "%s\n", batostr(&bdaddr));
211}
212
213#define CONN_ATTR(_name,_mode,_show,_store) \
214struct device_attribute conn_attr_##_name = __ATTR(_name,_mode,_show,_store)
215
216static CONN_ATTR(type, S_IRUGO, show_conn_type, NULL);
217static CONN_ATTR(address, S_IRUGO, show_conn_address, NULL);
218
219static struct device_attribute *conn_attrs[] = {
220 &conn_attr_type,
221 &conn_attr_address,
222 NULL
223};
224
225struct class *bt_class = NULL;
114EXPORT_SYMBOL_GPL(bt_class); 226EXPORT_SYMBOL_GPL(bt_class);
115 227
228static struct bus_type bt_bus = {
229 .name = "bluetooth",
230};
231
232static struct platform_device *bt_platform;
233
234static void bt_release(struct device *dev)
235{
236 void *data = dev_get_drvdata(dev);
237 kfree(data);
238}
239
240static void add_conn(void *data)
241{
242 struct hci_conn *conn = data;
243 int i;
244
245 device_register(&conn->dev);
246
247 for (i = 0; conn_attrs[i]; i++)
248 device_create_file(&conn->dev, conn_attrs[i]);
249}
250
251void hci_conn_add_sysfs(struct hci_conn *conn)
252{
253 struct hci_dev *hdev = conn->hdev;
254 bdaddr_t *ba = &conn->dst;
255
256 BT_DBG("conn %p", conn);
257
258 conn->dev.parent = &hdev->dev;
259 conn->dev.release = bt_release;
260
261 snprintf(conn->dev.bus_id, BUS_ID_SIZE,
262 "%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
263 conn->type == ACL_LINK ? "acl" : "sco",
264 ba->b[5], ba->b[4], ba->b[3],
265 ba->b[2], ba->b[1], ba->b[0]);
266
267 dev_set_drvdata(&conn->dev, conn);
268
269 INIT_WORK(&conn->work, add_conn, (void *) conn);
270
271 schedule_work(&conn->work);
272}
273
274static void del_conn(void *data)
275{
276 struct hci_conn *conn = data;
277 device_del(&conn->dev);
278}
279
280void hci_conn_del_sysfs(struct hci_conn *conn)
281{
282 BT_DBG("conn %p", conn);
283
284 INIT_WORK(&conn->work, del_conn, (void *) conn);
285
286 schedule_work(&conn->work);
287}
288
116int hci_register_sysfs(struct hci_dev *hdev) 289int hci_register_sysfs(struct hci_dev *hdev)
117{ 290{
118 struct class_device *cdev = &hdev->class_dev; 291 struct device *dev = &hdev->dev;
119 unsigned int i; 292 unsigned int i;
120 int err; 293 int err;
121 294
122 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type); 295 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
123 296
124 cdev->class = &bt_class; 297 dev->class = bt_class;
125 class_set_devdata(cdev, hdev);
126 298
127 strlcpy(cdev->class_id, hdev->name, BUS_ID_SIZE); 299 if (hdev->parent)
128 err = class_device_register(cdev); 300 dev->parent = hdev->parent;
301 else
302 dev->parent = &bt_platform->dev;
303
304 strlcpy(dev->bus_id, hdev->name, BUS_ID_SIZE);
305
306 dev->release = bt_release;
307
308 dev_set_drvdata(dev, hdev);
309
310 err = device_register(dev);
129 if (err < 0) 311 if (err < 0)
130 return err; 312 return err;
131 313
132 for (i = 0; bt_attrs[i]; i++) 314 for (i = 0; bt_attrs[i]; i++)
133 class_device_create_file(cdev, bt_attrs[i]); 315 device_create_file(dev, bt_attrs[i]);
134 316
135 return 0; 317 return 0;
136} 318}
137 319
138void hci_unregister_sysfs(struct hci_dev *hdev) 320void hci_unregister_sysfs(struct hci_dev *hdev)
139{ 321{
140 struct class_device * cdev = &hdev->class_dev;
141
142 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type); 322 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
143 323
144 class_device_del(cdev); 324 device_del(&hdev->dev);
145} 325}
146 326
147int __init bt_sysfs_init(void) 327int __init bt_sysfs_init(void)
148{ 328{
149 return class_register(&bt_class); 329 int err;
330
331 bt_platform = platform_device_register_simple("bluetooth", -1, NULL, 0);
332 if (IS_ERR(bt_platform))
333 return PTR_ERR(bt_platform);
334
335 err = bus_register(&bt_bus);
336 if (err < 0) {
337 platform_device_unregister(bt_platform);
338 return err;
339 }
340
341 bt_class = class_create(THIS_MODULE, "bluetooth");
342 if (IS_ERR(bt_class)) {
343 bus_unregister(&bt_bus);
344 platform_device_unregister(bt_platform);
345 return PTR_ERR(bt_class);
346 }
347
348 return 0;
150} 349}
151 350
152void __exit bt_sysfs_cleanup(void) 351void bt_sysfs_cleanup(void)
153{ 352{
154 class_unregister(&bt_class); 353 class_destroy(bt_class);
354
355 bus_unregister(&bt_bus);
356
357 platform_device_unregister(bt_platform);
155} 358}