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Diffstat (limited to 'drivers/xen/xen-balloon.c')
-rw-r--r--drivers/xen/xen-balloon.c86
1 files changed, 43 insertions, 43 deletions
diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c
index 9cc2259c9992..3832e303c33a 100644
--- a/drivers/xen/xen-balloon.c
+++ b/drivers/xen/xen-balloon.c
@@ -32,7 +32,6 @@
32 32
33#include <linux/kernel.h> 33#include <linux/kernel.h>
34#include <linux/module.h> 34#include <linux/module.h>
35#include <linux/sysdev.h>
36#include <linux/capability.h> 35#include <linux/capability.h>
37 36
38#include <xen/xen.h> 37#include <xen/xen.h>
@@ -46,9 +45,9 @@
46 45
47#define BALLOON_CLASS_NAME "xen_memory" 46#define BALLOON_CLASS_NAME "xen_memory"
48 47
49static struct sys_device balloon_sysdev; 48static struct device balloon_dev;
50 49
51static int register_balloon(struct sys_device *sysdev); 50static int register_balloon(struct device *dev);
52 51
53/* React to a change in the target key */ 52/* React to a change in the target key */
54static void watch_target(struct xenbus_watch *watch, 53static void watch_target(struct xenbus_watch *watch,
@@ -98,9 +97,9 @@ static int __init balloon_init(void)
98 97
99 pr_info("xen-balloon: Initialising balloon driver.\n"); 98 pr_info("xen-balloon: Initialising balloon driver.\n");
100 99
101 register_balloon(&balloon_sysdev); 100 register_balloon(&balloon_dev);
102 101
103 register_xen_selfballooning(&balloon_sysdev); 102 register_xen_selfballooning(&balloon_dev);
104 103
105 register_xenstore_notifier(&xenstore_notifier); 104 register_xenstore_notifier(&xenstore_notifier);
106 105
@@ -117,31 +116,31 @@ static void balloon_exit(void)
117module_exit(balloon_exit); 116module_exit(balloon_exit);
118 117
119#define BALLOON_SHOW(name, format, args...) \ 118#define BALLOON_SHOW(name, format, args...) \
120 static ssize_t show_##name(struct sys_device *dev, \ 119 static ssize_t show_##name(struct device *dev, \
121 struct sysdev_attribute *attr, \ 120 struct device_attribute *attr, \
122 char *buf) \ 121 char *buf) \
123 { \ 122 { \
124 return sprintf(buf, format, ##args); \ 123 return sprintf(buf, format, ##args); \
125 } \ 124 } \
126 static SYSDEV_ATTR(name, S_IRUGO, show_##name, NULL) 125 static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
127 126
128BALLOON_SHOW(current_kb, "%lu\n", PAGES2KB(balloon_stats.current_pages)); 127BALLOON_SHOW(current_kb, "%lu\n", PAGES2KB(balloon_stats.current_pages));
129BALLOON_SHOW(low_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_low)); 128BALLOON_SHOW(low_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_low));
130BALLOON_SHOW(high_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_high)); 129BALLOON_SHOW(high_kb, "%lu\n", PAGES2KB(balloon_stats.balloon_high));
131 130
132static SYSDEV_ULONG_ATTR(schedule_delay, 0444, balloon_stats.schedule_delay); 131static DEVICE_ULONG_ATTR(schedule_delay, 0444, balloon_stats.schedule_delay);
133static SYSDEV_ULONG_ATTR(max_schedule_delay, 0644, balloon_stats.max_schedule_delay); 132static DEVICE_ULONG_ATTR(max_schedule_delay, 0644, balloon_stats.max_schedule_delay);
134static SYSDEV_ULONG_ATTR(retry_count, 0444, balloon_stats.retry_count); 133static DEVICE_ULONG_ATTR(retry_count, 0444, balloon_stats.retry_count);
135static SYSDEV_ULONG_ATTR(max_retry_count, 0644, balloon_stats.max_retry_count); 134static DEVICE_ULONG_ATTR(max_retry_count, 0644, balloon_stats.max_retry_count);
136 135
137static ssize_t show_target_kb(struct sys_device *dev, struct sysdev_attribute *attr, 136static ssize_t show_target_kb(struct device *dev, struct device_attribute *attr,
138 char *buf) 137 char *buf)
139{ 138{
140 return sprintf(buf, "%lu\n", PAGES2KB(balloon_stats.target_pages)); 139 return sprintf(buf, "%lu\n", PAGES2KB(balloon_stats.target_pages));
141} 140}
142 141
143static ssize_t store_target_kb(struct sys_device *dev, 142static ssize_t store_target_kb(struct device *dev,
144 struct sysdev_attribute *attr, 143 struct device_attribute *attr,
145 const char *buf, 144 const char *buf,
146 size_t count) 145 size_t count)
147{ 146{
@@ -158,11 +157,11 @@ static ssize_t store_target_kb(struct sys_device *dev,
158 return count; 157 return count;
159} 158}
160 159
161static SYSDEV_ATTR(target_kb, S_IRUGO | S_IWUSR, 160static DEVICE_ATTR(target_kb, S_IRUGO | S_IWUSR,
162 show_target_kb, store_target_kb); 161 show_target_kb, store_target_kb);
163 162
164 163
165static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr, 164static ssize_t show_target(struct device *dev, struct device_attribute *attr,
166 char *buf) 165 char *buf)
167{ 166{
168 return sprintf(buf, "%llu\n", 167 return sprintf(buf, "%llu\n",
@@ -170,8 +169,8 @@ static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr
170 << PAGE_SHIFT); 169 << PAGE_SHIFT);
171} 170}
172 171
173static ssize_t store_target(struct sys_device *dev, 172static ssize_t store_target(struct device *dev,
174 struct sysdev_attribute *attr, 173 struct device_attribute *attr,
175 const char *buf, 174 const char *buf,
176 size_t count) 175 size_t count)
177{ 176{
@@ -188,23 +187,23 @@ static ssize_t store_target(struct sys_device *dev,
188 return count; 187 return count;
189} 188}
190 189
191static SYSDEV_ATTR(target, S_IRUGO | S_IWUSR, 190static DEVICE_ATTR(target, S_IRUGO | S_IWUSR,
192 show_target, store_target); 191 show_target, store_target);
193 192
194 193
195static struct sysdev_attribute *balloon_attrs[] = { 194static struct device_attribute *balloon_attrs[] = {
196 &attr_target_kb, 195 &dev_attr_target_kb,
197 &attr_target, 196 &dev_attr_target,
198 &attr_schedule_delay.attr, 197 &dev_attr_schedule_delay.attr,
199 &attr_max_schedule_delay.attr, 198 &dev_attr_max_schedule_delay.attr,
200 &attr_retry_count.attr, 199 &dev_attr_retry_count.attr,
201 &attr_max_retry_count.attr 200 &dev_attr_max_retry_count.attr
202}; 201};
203 202
204static struct attribute *balloon_info_attrs[] = { 203static struct attribute *balloon_info_attrs[] = {
205 &attr_current_kb.attr, 204 &dev_attr_current_kb.attr,
206 &attr_low_kb.attr, 205 &dev_attr_low_kb.attr,
207 &attr_high_kb.attr, 206 &dev_attr_high_kb.attr,
208 NULL 207 NULL
209}; 208};
210 209
@@ -213,34 +212,35 @@ static struct attribute_group balloon_info_group = {
213 .attrs = balloon_info_attrs 212 .attrs = balloon_info_attrs
214}; 213};
215 214
216static struct sysdev_class balloon_sysdev_class = { 215static struct bus_type balloon_subsys = {
217 .name = BALLOON_CLASS_NAME 216 .name = BALLOON_CLASS_NAME,
217 .dev_name = BALLOON_CLASS_NAME,
218}; 218};
219 219
220static int register_balloon(struct sys_device *sysdev) 220static int register_balloon(struct device *dev)
221{ 221{
222 int i, error; 222 int i, error;
223 223
224 error = sysdev_class_register(&balloon_sysdev_class); 224 error = bus_register(&balloon_subsys);
225 if (error) 225 if (error)
226 return error; 226 return error;
227 227
228 sysdev->id = 0; 228 dev->id = 0;
229 sysdev->cls = &balloon_sysdev_class; 229 dev->bus = &balloon_subsys;
230 230
231 error = sysdev_register(sysdev); 231 error = device_register(dev);
232 if (error) { 232 if (error) {
233 sysdev_class_unregister(&balloon_sysdev_class); 233 bus_unregister(&balloon_subsys);
234 return error; 234 return error;
235 } 235 }
236 236
237 for (i = 0; i < ARRAY_SIZE(balloon_attrs); i++) { 237 for (i = 0; i < ARRAY_SIZE(balloon_attrs); i++) {
238 error = sysdev_create_file(sysdev, balloon_attrs[i]); 238 error = device_create_file(dev, balloon_attrs[i]);
239 if (error) 239 if (error)
240 goto fail; 240 goto fail;
241 } 241 }
242 242
243 error = sysfs_create_group(&sysdev->kobj, &balloon_info_group); 243 error = sysfs_create_group(&dev->kobj, &balloon_info_group);
244 if (error) 244 if (error)
245 goto fail; 245 goto fail;
246 246
@@ -248,9 +248,9 @@ static int register_balloon(struct sys_device *sysdev)
248 248
249 fail: 249 fail:
250 while (--i >= 0) 250 while (--i >= 0)
251 sysdev_remove_file(sysdev, balloon_attrs[i]); 251 device_remove_file(dev, balloon_attrs[i]);
252 sysdev_unregister(sysdev); 252 device_unregister(dev);
253 sysdev_class_unregister(&balloon_sysdev_class); 253 bus_unregister(&balloon_subsys);
254 return error; 254 return error;
255} 255}
256 256