diff options
Diffstat (limited to 'net/bluetooth/hci_sysfs.c')
-rw-r--r-- | net/bluetooth/hci_sysfs.c | 211 |
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 | ||
14 | static ssize_t show_name(struct class_device *cdev, char *buf) | 16 | static 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 | ||
20 | static ssize_t show_type(struct class_device *cdev, char *buf) | 22 | static 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 | ||
26 | static ssize_t show_address(struct class_device *cdev, char *buf) | 28 | static 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 | ||
34 | static ssize_t show_flags(struct class_device *cdev, char *buf) | 36 | static 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 | ||
40 | static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf) | 42 | static 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 | ||
64 | static CLASS_DEVICE_ATTR(name, S_IRUGO, show_name, NULL); | 66 | static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf) |
65 | static CLASS_DEVICE_ATTR(type, S_IRUGO, show_type, NULL); | 67 | { |
66 | static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL); | 68 | struct hci_dev *hdev = dev_get_drvdata(dev); |
67 | static CLASS_DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL); | 69 | return sprintf(buf, "%d\n", hdev->idle_timeout); |
68 | static CLASS_DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL); | 70 | } |
69 | 71 | ||
70 | static struct class_device_attribute *bt_attrs[] = { | 72 | static 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)) |
80 | static 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 | |||
90 | static 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; | 96 | static 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 | |||
117 | static 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 | ||
98 | static void bt_release(struct class_device *cdev) | 123 | static 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 | ||
105 | struct class bt_class = { | 144 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
106 | .name = "bluetooth", | 145 | static DEVICE_ATTR(type, S_IRUGO, show_type, NULL); |
107 | .release = bt_release, | 146 | static DEVICE_ATTR(address, S_IRUGO, show_address, NULL); |
108 | #ifdef CONFIG_HOTPLUG | 147 | static DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL); |
109 | .uevent = bt_uevent, | 148 | static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL); |
110 | #endif | 149 | |
150 | static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR, | ||
151 | show_idle_timeout, store_idle_timeout); | ||
152 | static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR, | ||
153 | show_sniff_max_interval, store_sniff_max_interval); | ||
154 | static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR, | ||
155 | show_sniff_min_interval, store_sniff_min_interval); | ||
156 | |||
157 | static 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 | ||
169 | struct class *bt_class = NULL; | ||
113 | EXPORT_SYMBOL_GPL(bt_class); | 170 | EXPORT_SYMBOL_GPL(bt_class); |
114 | 171 | ||
172 | static struct bus_type bt_bus = { | ||
173 | .name = "bluetooth", | ||
174 | }; | ||
175 | |||
176 | static struct platform_device *bt_platform; | ||
177 | |||
178 | static void bt_release(struct device *dev) | ||
179 | { | ||
180 | struct hci_dev *hdev = dev_get_drvdata(dev); | ||
181 | kfree(hdev); | ||
182 | } | ||
183 | |||
115 | int hci_register_sysfs(struct hci_dev *hdev) | 184 | int 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 | ||
137 | void hci_unregister_sysfs(struct hci_dev *hdev) | 215 | void 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 | ||
146 | int __init bt_sysfs_init(void) | 224 | int __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 | ||
151 | void __exit bt_sysfs_cleanup(void) | 248 | void __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 | } |