1 #ifndef _LINUX_COMPAT_H_
2 #define _LINUX_COMPAT_H_
3
4 #include <malloc.h>
5 #include <linux/types.h>
6 #include <linux/err.h>
7 #include <linux/kernel.h>
8 #include <stacktrace.h>
9
10 struct unused {};
11 typedef struct unused unused_t;
12
13 struct p_current{
14 int pid;
15 };
16
17 extern struct p_current *current;
18
19 /* avoid conflict with <dm/device.h> */
20 #ifdef dev_dbg
21 #undef dev_dbg
22 #endif
23 #ifdef dev_vdbg
24 #undef dev_vdbg
25 #endif
26 #ifdef dev_info
27 #undef dev_info
28 #endif
29 #ifdef dev_err
30 #undef dev_err
31 #endif
32 #ifdef dev_warn
33 #undef dev_warn
34 #endif
35
36 #define dev_dbg(dev, fmt, args...) \
37 debug(fmt, ##args)
38 #define dev_vdbg(dev, fmt, args...) \
39 debug(fmt, ##args)
40 #define dev_info(dev, fmt, args...) \
41 printf(fmt, ##args)
42 #define dev_err(dev, fmt, args...) \
43 printf(fmt, ##args)
44 #define dev_warn(dev, fmt, args...) \
45 printf(fmt, ##args)
46
47 #define GFP_ATOMIC ((gfp_t) 0)
48 #define GFP_KERNEL ((gfp_t) 0)
49 #define GFP_NOFS ((gfp_t) 0)
50 #define GFP_USER ((gfp_t) 0)
51 #define __GFP_NOWARN ((gfp_t) 0)
52 #define __GFP_ZERO ((__force gfp_t)0x8000u) /* Return zeroed page on success */
53
54 void *kmalloc(size_t size, int flags);
55
kzalloc(size_t size,gfp_t flags)56 static inline void *kzalloc(size_t size, gfp_t flags)
57 {
58 return kmalloc(size, flags | __GFP_ZERO);
59 }
60
kmalloc_array(size_t n,size_t size,gfp_t flags)61 static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
62 {
63 if (size != 0 && n > SIZE_MAX / size)
64 return NULL;
65 return kmalloc(n * size, flags | __GFP_ZERO);
66 }
67
kcalloc(size_t n,size_t size,gfp_t flags)68 static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
69 {
70 return kmalloc_array(n, size, flags | __GFP_ZERO);
71 }
72
73 #define vmalloc(size) kmalloc(size, 0)
74 #define __vmalloc(size, flags, pgsz) kmalloc(size, flags)
vzalloc(unsigned long size)75 static inline void *vzalloc(unsigned long size)
76 {
77 return kzalloc(size, 0);
78 }
kfree(const void * block)79 static inline void kfree(const void *block)
80 {
81 free((void *)block);
82 }
vfree(const void * addr)83 static inline void vfree(const void *addr)
84 {
85 free((void *)addr);
86 }
87
88 struct kmem_cache { int sz; };
89
90 struct kmem_cache *get_mem(int element_sz);
91 #define kmem_cache_create(a, sz, c, d, e) get_mem(sz)
92 void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
kmem_cache_free(struct kmem_cache * cachep,void * obj)93 static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
94 {
95 free(obj);
96 }
kmem_cache_destroy(struct kmem_cache * cachep)97 static inline void kmem_cache_destroy(struct kmem_cache *cachep)
98 {
99 free(cachep);
100 }
101
102 #define DECLARE_WAITQUEUE(...) do { } while (0)
103 #define add_wait_queue(...) do { } while (0)
104 #define remove_wait_queue(...) do { } while (0)
105
106 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
107
108 #define PAGE_SIZE 4096
109
110 /* drivers/char/random.c */
111 #define get_random_bytes(...)
112
113 /* include/linux/leds.h */
114 struct led_trigger {};
115
116 #define DEFINE_LED_TRIGGER(x) static struct led_trigger *x;
117 enum led_brightness {
118 LED_OFF = 0,
119 LED_HALF = 127,
120 LED_FULL = 255,
121 };
122
led_trigger_register_simple(const char * name,struct led_trigger ** trigger)123 static inline void led_trigger_register_simple(const char *name,
124 struct led_trigger **trigger) {}
led_trigger_unregister_simple(struct led_trigger * trigger)125 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
led_trigger_event(struct led_trigger * trigger,enum led_brightness event)126 static inline void led_trigger_event(struct led_trigger *trigger,
127 enum led_brightness event) {}
128
129 /* uapi/linux/limits.h */
130 #define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */
131
132 /**
133 * The type used for indexing onto a disc or disc partition.
134 *
135 * Linux always considers sectors to be 512 bytes long independently
136 * of the devices real block size.
137 *
138 * blkcnt_t is the type of the inode's block count.
139 */
140 #ifdef CONFIG_LBDAF
141 typedef u64 sector_t;
142 typedef u64 blkcnt_t;
143 #else
144 typedef unsigned long sector_t;
145 typedef unsigned long blkcnt_t;
146 #endif
147
148 /* module */
149 #define THIS_MODULE 0
150 #define try_module_get(...) 1
151 #define module_put(...) do { } while (0)
152 #define module_init(...)
153 #define module_exit(...)
154 #define EXPORT_SYMBOL(...)
155 #define EXPORT_SYMBOL_GPL(...)
156 #define module_param(...)
157 #define module_param_call(...)
158 #define MODULE_PARM_DESC(...)
159 #define MODULE_VERSION(...)
160 #define MODULE_DESCRIPTION(...)
161 #define MODULE_AUTHOR(...)
162 #define MODULE_LICENSE(...)
163 #define MODULE_ALIAS(...)
164 #define __module_get(...)
165
166 /* character device */
167 #define MKDEV(...) 0
168 #define MAJOR(dev) 0
169 #define MINOR(dev) 0
170
171 #define alloc_chrdev_region(...) 0
172 #define unregister_chrdev_region(...)
173
174 #define class_create(...) __builtin_return_address(0)
175 #define class_create_file(...) 0
176 #define class_register(...) 0
177 #define class_unregister(...)
178 #define class_remove_file(...)
179 #define class_destroy(...)
180 #define misc_register(...) 0
181 #define misc_deregister(...)
182
183 #define blocking_notifier_call_chain(...) 0
184
185 #define __initdata
186 #define late_initcall(...)
187
188 #define dev_set_name(...) do { } while (0)
189 #define device_register(...) 0
190 #define device_unregister(...)
191 #define volume_sysfs_init(...) 0
192 #define volume_sysfs_close(...) do { } while (0)
193
194 #define init_waitqueue_head(...) do { } while (0)
195 #define wait_event_interruptible(...) 0
196 #define wake_up_interruptible(...) do { } while (0)
197
198 #define task_pid_nr(x) 0
199 #define set_freezable(...) do { } while (0)
200 #define try_to_freeze(...) 0
201 #define set_current_state(...) do { } while (0)
202 #define kthread_should_stop(...) 0
203 #define schedule() do { } while (0)
204
205 #define setup_timer(timer, func, data) do {} while (0)
206 #define del_timer_sync(timer) do {} while (0)
207 #define schedule_work(work) do {} while (0)
208 #define INIT_WORK(work, fun) do {} while (0)
209
210 struct work_struct {};
211
212 unsigned long copy_from_user(void *dest, const void *src,
213 unsigned long count);
214
215 typedef unused_t spinlock_t;
216 typedef int wait_queue_head_t;
217
218 #define spin_lock_init(lock) do {} while (0)
219 #define spin_lock(lock) do {} while (0)
220 #define spin_unlock(lock) do {} while (0)
221 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
222 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
223
224 #define DEFINE_MUTEX(...)
225 #define mutex_init(...)
226 #define mutex_lock(...)
227 #define mutex_unlock(...)
228
229 #define init_rwsem(...) do { } while (0)
230 #define down_read(...) do { } while (0)
231 #define down_write(...) do { } while (0)
232 #define down_write_trylock(...) 1
233 #define up_read(...) do { } while (0)
234 #define up_write(...) do { } while (0)
235
236 #define cond_resched() do { } while (0)
237 #define yield() do { } while (0)
238
239 #define __init
240 #define __exit
241 #define __devinit
242 #define __devinitdata
243 #define __devinitconst
244
245 #define kthread_create(...) __builtin_return_address(0)
246 #define kthread_stop(...) do { } while (0)
247 #define wake_up_process(...) do { } while (0)
248
249 struct rw_semaphore { int i; };
250 #define down_write(...) do { } while (0)
251 #define up_write(...) do { } while (0)
252 #define down_read(...) do { } while (0)
253 #define up_read(...) do { } while (0)
254 struct device {
255 struct device *parent;
256 struct class *class;
257 dev_t devt; /* dev_t, creates the sysfs "dev" */
258 void (*release)(struct device *dev);
259 /* This is used from drivers/usb/musb-new subsystem only */
260 void *driver_data; /* data private to the driver */
261 void *device_data; /* data private to the device */
262 };
263 struct mutex { int i; };
264 struct kernel_param { int i; };
265
266 struct cdev {
267 int owner;
268 dev_t dev;
269 };
270 #define cdev_init(...) do { } while (0)
271 #define cdev_add(...) 0
272 #define cdev_del(...) do { } while (0)
273
274 #define prandom_u32(...) 0
275
276 typedef struct {
277 uid_t val;
278 } kuid_t;
279
280 typedef struct {
281 gid_t val;
282 } kgid_t;
283
284 /* from include/linux/types.h */
285
286 /**
287 * struct callback_head - callback structure for use with RCU and task_work
288 * @next: next update requests in a list
289 * @func: actual update function to call after the grace period.
290 */
291 struct callback_head {
292 struct callback_head *next;
293 void (*func)(struct callback_head *head);
294 };
295 #define rcu_head callback_head
296 enum writeback_sync_modes {
297 WB_SYNC_NONE, /* Don't wait on anything */
298 WB_SYNC_ALL, /* Wait on every mapping */
299 };
300
301 /* from include/linux/writeback.h */
302 /*
303 * A control structure which tells the writeback code what to do. These are
304 * always on the stack, and hence need no locking. They are always initialised
305 * in a manner such that unspecified fields are set to zero.
306 */
307 struct writeback_control {
308 long nr_to_write; /* Write this many pages, and decrement
309 this for each page written */
310 long pages_skipped; /* Pages which were not written */
311
312 /*
313 * For a_ops->writepages(): if start or end are non-zero then this is
314 * a hint that the filesystem need only write out the pages inside that
315 * byterange. The byte at `end' is included in the writeout request.
316 */
317 loff_t range_start;
318 loff_t range_end;
319
320 enum writeback_sync_modes sync_mode;
321
322 unsigned for_kupdate:1; /* A kupdate writeback */
323 unsigned for_background:1; /* A background writeback */
324 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */
325 unsigned for_reclaim:1; /* Invoked from the page allocator */
326 unsigned range_cyclic:1; /* range_start is cyclic */
327 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */
328 };
329
330 void *kmemdup(const void *src, size_t len, gfp_t gfp);
331
332 typedef int irqreturn_t;
333
334 struct timer_list {};
335 struct notifier_block {};
336
337 typedef unsigned long dmaaddr_t;
338
339 #define pm_runtime_get_sync(dev) do {} while (0)
340 #define pm_runtime_put(dev) do {} while (0)
341 #define pm_runtime_put_sync(dev) do {} while (0)
342 #define pm_runtime_use_autosuspend(dev) do {} while (0)
343 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
344 #define pm_runtime_enable(dev) do {} while (0)
345
346 #define IRQ_NONE 0
347 #define IRQ_HANDLED 1
348 #define IRQ_WAKE_THREAD 2
349
350 #define dev_set_drvdata(dev, data) do {} while (0)
351
352 #define enable_irq(...)
353 #define disable_irq(...)
354 #define disable_irq_wake(irq) do {} while (0)
355 #define enable_irq_wake(irq) -EINVAL
356 #define free_irq(irq, data) do {} while (0)
357 #define request_irq(nr, f, flags, nm, data) 0
358
359 #endif
360