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Diffstat (limited to 'net/bluetooth/hci_sysfs.c')
-rw-r--r--net/bluetooth/hci_sysfs.c211
1 files changed, 156 insertions, 55 deletions
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 19b234c86f33..3987d167f04e 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -3,6 +3,8 @@
3#include <linux/kernel.h> 3#include <linux/kernel.h>
4#include <linux/init.h> 4#include <linux/init.h>
5 5
6#include <linux/platform_device.h>
7
6#include <net/bluetooth/bluetooth.h> 8#include <net/bluetooth/bluetooth.h>
7#include <net/bluetooth/hci_core.h> 9#include <net/bluetooth/hci_core.h>
8 10
@@ -11,35 +13,35 @@
11#define BT_DBG(D...) 13#define BT_DBG(D...)
12#endif 14#endif
13 15
14static ssize_t show_name(struct class_device *cdev, char *buf) 16static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
15{ 17{
16 struct hci_dev *hdev = class_get_devdata(cdev); 18 struct hci_dev *hdev = dev_get_drvdata(dev);
17 return sprintf(buf, "%s\n", hdev->name); 19 return sprintf(buf, "%s\n", hdev->name);
18} 20}
19 21
20static ssize_t show_type(struct class_device *cdev, char *buf) 22static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf)
21{ 23{
22 struct hci_dev *hdev = class_get_devdata(cdev); 24 struct hci_dev *hdev = dev_get_drvdata(dev);
23 return sprintf(buf, "%d\n", hdev->type); 25 return sprintf(buf, "%d\n", hdev->type);
24} 26}
25 27
26static ssize_t show_address(struct class_device *cdev, char *buf) 28static ssize_t show_address(struct device *dev, struct device_attribute *attr, char *buf)
27{ 29{
28 struct hci_dev *hdev = class_get_devdata(cdev); 30 struct hci_dev *hdev = dev_get_drvdata(dev);
29 bdaddr_t bdaddr; 31 bdaddr_t bdaddr;
30 baswap(&bdaddr, &hdev->bdaddr); 32 baswap(&bdaddr, &hdev->bdaddr);
31 return sprintf(buf, "%s\n", batostr(&bdaddr)); 33 return sprintf(buf, "%s\n", batostr(&bdaddr));
32} 34}
33 35
34static ssize_t show_flags(struct class_device *cdev, char *buf) 36static ssize_t show_flags(struct device *dev, struct device_attribute *attr, char *buf)
35{ 37{
36 struct hci_dev *hdev = class_get_devdata(cdev); 38 struct hci_dev *hdev = dev_get_drvdata(dev);
37 return sprintf(buf, "0x%lx\n", hdev->flags); 39 return sprintf(buf, "0x%lx\n", hdev->flags);
38} 40}
39 41
40static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf) 42static ssize_t show_inquiry_cache(struct device *dev, struct device_attribute *attr, char *buf)
41{ 43{
42 struct hci_dev *hdev = class_get_devdata(cdev); 44 struct hci_dev *hdev = dev_get_drvdata(dev);
43 struct inquiry_cache *cache = &hdev->inq_cache; 45 struct inquiry_cache *cache = &hdev->inq_cache;
44 struct inquiry_entry *e; 46 struct inquiry_entry *e;
45 int n = 0; 47 int n = 0;
@@ -61,94 +63,193 @@ static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf)
61 return n; 63 return n;
62} 64}
63 65
64static CLASS_DEVICE_ATTR(name, S_IRUGO, show_name, NULL); 66static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf)
65static CLASS_DEVICE_ATTR(type, S_IRUGO, show_type, NULL); 67{
66static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL); 68 struct hci_dev *hdev = dev_get_drvdata(dev);
67static CLASS_DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL); 69 return sprintf(buf, "%d\n", hdev->idle_timeout);
68static CLASS_DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL); 70}
69 71
70static struct class_device_attribute *bt_attrs[] = { 72static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
71 &class_device_attr_name, 73{
72 &class_device_attr_type, 74 struct hci_dev *hdev = dev_get_drvdata(dev);
73 &class_device_attr_address, 75 char *ptr;
74 &class_device_attr_flags, 76 __u32 val;
75 &class_device_attr_inquiry_cache, 77
76 NULL 78 val = simple_strtoul(buf, &ptr, 10);
77}; 79 if (ptr == buf)
80 return -EINVAL;
78 81
79#ifdef CONFIG_HOTPLUG 82 if (val != 0 && (val < 500 || val > 3600000))
80static int bt_uevent(struct class_device *cdev, char **envp, int num_envp, char *buf, int size) 83 return -EINVAL;
84
85 hdev->idle_timeout = val;
86
87 return count;
88}
89
90static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribute *attr, char *buf)
81{ 91{
82 struct hci_dev *hdev = class_get_devdata(cdev); 92 struct hci_dev *hdev = dev_get_drvdata(dev);
83 int n, i = 0; 93 return sprintf(buf, "%d\n", hdev->sniff_max_interval);
94}
84 95
85 envp[i++] = buf; 96static ssize_t store_sniff_max_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
86 n = snprintf(buf, size, "INTERFACE=%s", hdev->name) + 1; 97{
87 buf += n; 98 struct hci_dev *hdev = dev_get_drvdata(dev);
88 size -= n; 99 char *ptr;
100 __u16 val;
89 101
90 if ((size <= 0) || (i >= num_envp)) 102 val = simple_strtoul(buf, &ptr, 10);
91 return -ENOMEM; 103 if (ptr == buf)
104 return -EINVAL;
92 105
93 envp[i] = NULL; 106 if (val < 0x0002 || val > 0xFFFE || val % 2)
94 return 0; 107 return -EINVAL;
108
109 if (val < hdev->sniff_min_interval)
110 return -EINVAL;
111
112 hdev->sniff_max_interval = val;
113
114 return count;
115}
116
117static ssize_t show_sniff_min_interval(struct device *dev, struct device_attribute *attr, char *buf)
118{
119 struct hci_dev *hdev = dev_get_drvdata(dev);
120 return sprintf(buf, "%d\n", hdev->sniff_min_interval);
95} 121}
96#endif
97 122
98static void bt_release(struct class_device *cdev) 123static ssize_t store_sniff_min_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
99{ 124{
100 struct hci_dev *hdev = class_get_devdata(cdev); 125 struct hci_dev *hdev = dev_get_drvdata(dev);
126 char *ptr;
127 __u16 val;
101 128
102 kfree(hdev); 129 val = simple_strtoul(buf, &ptr, 10);
130 if (ptr == buf)
131 return -EINVAL;
132
133 if (val < 0x0002 || val > 0xFFFE || val % 2)
134 return -EINVAL;
135
136 if (val > hdev->sniff_max_interval)
137 return -EINVAL;
138
139 hdev->sniff_min_interval = val;
140
141 return count;
103} 142}
104 143
105struct class bt_class = { 144static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
106 .name = "bluetooth", 145static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
107 .release = bt_release, 146static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
108#ifdef CONFIG_HOTPLUG 147static DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL);
109 .uevent = bt_uevent, 148static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
110#endif 149
150static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
151 show_idle_timeout, store_idle_timeout);
152static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
153 show_sniff_max_interval, store_sniff_max_interval);
154static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
155 show_sniff_min_interval, store_sniff_min_interval);
156
157static struct device_attribute *bt_attrs[] = {
158 &dev_attr_name,
159 &dev_attr_type,
160 &dev_attr_address,
161 &dev_attr_flags,
162 &dev_attr_inquiry_cache,
163 &dev_attr_idle_timeout,
164 &dev_attr_sniff_max_interval,
165 &dev_attr_sniff_min_interval,
166 NULL
111}; 167};
112 168
169struct class *bt_class = NULL;
113EXPORT_SYMBOL_GPL(bt_class); 170EXPORT_SYMBOL_GPL(bt_class);
114 171
172static struct bus_type bt_bus = {
173 .name = "bluetooth",
174};
175
176static struct platform_device *bt_platform;
177
178static void bt_release(struct device *dev)
179{
180 struct hci_dev *hdev = dev_get_drvdata(dev);
181 kfree(hdev);
182}
183
115int hci_register_sysfs(struct hci_dev *hdev) 184int hci_register_sysfs(struct hci_dev *hdev)
116{ 185{
117 struct class_device *cdev = &hdev->class_dev; 186 struct device *dev = &hdev->dev;
118 unsigned int i; 187 unsigned int i;
119 int err; 188 int err;
120 189
121 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type); 190 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
122 191
123 cdev->class = &bt_class; 192 dev->class = bt_class;
124 class_set_devdata(cdev, hdev); 193
194 if (hdev->parent)
195 dev->parent = hdev->parent;
196 else
197 dev->parent = &bt_platform->dev;
198
199 strlcpy(dev->bus_id, hdev->name, BUS_ID_SIZE);
200
201 dev->release = bt_release;
125 202
126 strlcpy(cdev->class_id, hdev->name, BUS_ID_SIZE); 203 dev_set_drvdata(dev, hdev);
127 err = class_device_register(cdev); 204
205 err = device_register(dev);
128 if (err < 0) 206 if (err < 0)
129 return err; 207 return err;
130 208
131 for (i = 0; bt_attrs[i]; i++) 209 for (i = 0; bt_attrs[i]; i++)
132 class_device_create_file(cdev, bt_attrs[i]); 210 device_create_file(dev, bt_attrs[i]);
133 211
134 return 0; 212 return 0;
135} 213}
136 214
137void hci_unregister_sysfs(struct hci_dev *hdev) 215void hci_unregister_sysfs(struct hci_dev *hdev)
138{ 216{
139 struct class_device * cdev = &hdev->class_dev; 217 struct device *dev = &hdev->dev;
140 218
141 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type); 219 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
142 220
143 class_device_del(cdev); 221 device_del(dev);
144} 222}
145 223
146int __init bt_sysfs_init(void) 224int __init bt_sysfs_init(void)
147{ 225{
148 return class_register(&bt_class); 226 int err;
227
228 bt_platform = platform_device_register_simple("bluetooth", -1, NULL, 0);
229 if (IS_ERR(bt_platform))
230 return PTR_ERR(bt_platform);
231
232 err = bus_register(&bt_bus);
233 if (err < 0) {
234 platform_device_unregister(bt_platform);
235 return err;
236 }
237
238 bt_class = class_create(THIS_MODULE, "bluetooth");
239 if (IS_ERR(bt_class)) {
240 bus_unregister(&bt_bus);
241 platform_device_unregister(bt_platform);
242 return PTR_ERR(bt_class);
243 }
244
245 return 0;
149} 246}
150 247
151void __exit bt_sysfs_cleanup(void) 248void __exit bt_sysfs_cleanup(void)
152{ 249{
153 class_unregister(&bt_class); 250 class_destroy(bt_class);
251
252 bus_unregister(&bt_bus);
253
254 platform_device_unregister(bt_platform);
154} 255}