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
9 struct unused {};
10 typedef struct unused unused_t;
11
12 struct p_current{
13 int pid;
14 };
15
16 extern struct p_current *current;
17
18 /* avoid conflict with <dm/device.h> */
19 #ifdef dev_dbg
20 #undef dev_dbg
21 #endif
22 #ifdef dev_vdbg
23 #undef dev_vdbg
24 #endif
25 #ifdef dev_info
26 #undef dev_info
27 #endif
28 #ifdef dev_err
29 #undef dev_err
30 #endif
31 #ifdef dev_warn
32 #undef dev_warn
33 #endif
34
35 #define dev_dbg(dev, fmt, args...) \
36 debug(fmt, ##args)
37 #define dev_vdbg(dev, fmt, args...) \
38 debug(fmt, ##args)
39 #define dev_info(dev, fmt, args...) \
40 printf(fmt, ##args)
41 #define dev_err(dev, fmt, args...) \
42 printf(fmt, ##args)
43 #define dev_warn(dev, fmt, args...) \
44 printf(fmt, ##args)
45
46 #define netdev_emerg(dev, fmt, args...) \
47 printf(fmt, ##args)
48 #define netdev_alert(dev, fmt, args...) \
49 printf(fmt, ##args)
50 #define netdev_crit(dev, fmt, args...) \
51 printf(fmt, ##args)
52 #define netdev_err(dev, fmt, args...) \
53 printf(fmt, ##args)
54 #define netdev_warn(dev, fmt, args...) \
55 printf(fmt, ##args)
56 #define netdev_notice(dev, fmt, args...) \
57 printf(fmt, ##args)
58 #define netdev_info(dev, fmt, args...) \
59 printf(fmt, ##args)
60 #define netdev_dbg(dev, fmt, args...) \
61 debug(fmt, ##args)
62 #define netdev_vdbg(dev, fmt, args...) \
63 debug(fmt, ##args)
64
65 #define GFP_ATOMIC ((gfp_t) 0)
66 #define GFP_KERNEL ((gfp_t) 0)
67 #define GFP_NOFS ((gfp_t) 0)
68 #define GFP_USER ((gfp_t) 0)
69 #define __GFP_NOWARN ((gfp_t) 0)
70 #define __GFP_ZERO ((__force gfp_t)0x8000u) /* Return zeroed page on success */
71
72 void *kmalloc(size_t size, int flags);
73
kzalloc(size_t size,gfp_t flags)74 static inline void *kzalloc(size_t size, gfp_t flags)
75 {
76 return kmalloc(size, flags | __GFP_ZERO);
77 }
78
kmalloc_array(size_t n,size_t size,gfp_t flags)79 static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
80 {
81 if (size != 0 && n > SIZE_MAX / size)
82 return NULL;
83 return kmalloc(n * size, flags | __GFP_ZERO);
84 }
85
kcalloc(size_t n,size_t size,gfp_t flags)86 static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
87 {
88 return kmalloc_array(n, size, flags | __GFP_ZERO);
89 }
90
91 #define vmalloc(size) kmalloc(size, 0)
92 #define __vmalloc(size, flags, pgsz) kmalloc(size, flags)
vzalloc(unsigned long size)93 static inline void *vzalloc(unsigned long size)
94 {
95 return kzalloc(size, 0);
96 }
kfree(const void * block)97 static inline void kfree(const void *block)
98 {
99 free((void *)block);
100 }
vfree(const void * addr)101 static inline void vfree(const void *addr)
102 {
103 free((void *)addr);
104 }
105
106 struct kmem_cache { int sz; };
107
108 struct kmem_cache *get_mem(int element_sz);
109 #define kmem_cache_create(a, sz, c, d, e) get_mem(sz)
110 void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
kmem_cache_free(struct kmem_cache * cachep,void * obj)111 static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
112 {
113 free(obj);
114 }
kmem_cache_destroy(struct kmem_cache * cachep)115 static inline void kmem_cache_destroy(struct kmem_cache *cachep)
116 {
117 free(cachep);
118 }
119
120 #define DECLARE_WAITQUEUE(...) do { } while (0)
121 #define add_wait_queue(...) do { } while (0)
122 #define remove_wait_queue(...) do { } while (0)
123
124 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
125
126 #define PAGE_SIZE 4096
127
128 /* drivers/char/random.c */
129 #define get_random_bytes(...)
130
131 /* include/linux/leds.h */
132 struct led_trigger {};
133
134 #define DEFINE_LED_TRIGGER(x) static struct led_trigger *x;
135 enum led_brightness {
136 LED_OFF = 0,
137 LED_HALF = 127,
138 LED_FULL = 255,
139 };
140
led_trigger_register_simple(const char * name,struct led_trigger ** trigger)141 static inline void led_trigger_register_simple(const char *name,
142 struct led_trigger **trigger) {}
led_trigger_unregister_simple(struct led_trigger * trigger)143 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
led_trigger_event(struct led_trigger * trigger,enum led_brightness event)144 static inline void led_trigger_event(struct led_trigger *trigger,
145 enum led_brightness event) {}
146
147 /* uapi/linux/limits.h */
148 #define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */
149
150 /**
151 * The type used for indexing onto a disc or disc partition.
152 *
153 * Linux always considers sectors to be 512 bytes long independently
154 * of the devices real block size.
155 *
156 * blkcnt_t is the type of the inode's block count.
157 */
158 #ifdef CONFIG_LBDAF
159 typedef u64 sector_t;
160 typedef u64 blkcnt_t;
161 #else
162 typedef unsigned long sector_t;
163 typedef unsigned long blkcnt_t;
164 #endif
165
166 /* module */
167 #define THIS_MODULE 0
168 #define try_module_get(...) 1
169 #define module_put(...) do { } while (0)
170 #define module_init(...)
171 #define module_exit(...)
172 #define EXPORT_SYMBOL(...)
173 #define EXPORT_SYMBOL_GPL(...)
174 #define module_param(...)
175 #define module_param_call(...)
176 #define MODULE_PARM_DESC(...)
177 #define MODULE_VERSION(...)
178 #define MODULE_DESCRIPTION(...)
179 #define MODULE_AUTHOR(...)
180 #define MODULE_LICENSE(...)
181 #define MODULE_ALIAS(...)
182 #define __module_get(...)
183
184 /* character device */
185 #define MKDEV(...) 0
186 #define MAJOR(dev) 0
187 #define MINOR(dev) 0
188
189 #define alloc_chrdev_region(...) 0
190 #define unregister_chrdev_region(...)
191
192 #define class_create(...) __builtin_return_address(0)
193 #define class_create_file(...) 0
194 #define class_register(...) 0
195 #define class_unregister(...)
196 #define class_remove_file(...)
197 #define class_destroy(...)
198 #define misc_register(...) 0
199 #define misc_deregister(...)
200
201 #define blocking_notifier_call_chain(...) 0
202
203 #define __initdata
204 #define late_initcall(...)
205
206 #define dev_set_name(...) do { } while (0)
207 #define device_register(...) 0
208 #define device_unregister(...)
209 #define volume_sysfs_init(...) 0
210 #define volume_sysfs_close(...) do { } while (0)
211
212 #define init_waitqueue_head(...) do { } while (0)
213 #define wait_event_interruptible(...) 0
214 #define wake_up_interruptible(...) do { } while (0)
215 #define dump_stack(...) do { } while (0)
216
217 #define task_pid_nr(x) 0
218 #define set_freezable(...) do { } while (0)
219 #define try_to_freeze(...) 0
220 #define set_current_state(...) do { } while (0)
221 #define kthread_should_stop(...) 0
222 #define schedule() do { } while (0)
223
224 #define setup_timer(timer, func, data) do {} while (0)
225 #define del_timer_sync(timer) do {} while (0)
226 #define schedule_work(work) do {} while (0)
227 #define INIT_WORK(work, fun) do {} while (0)
228
229 struct work_struct {};
230
231 unsigned long copy_from_user(void *dest, const void *src,
232 unsigned long count);
233
234 typedef unused_t spinlock_t;
235 typedef int wait_queue_head_t;
236
237 #define spin_lock_init(lock) do {} while (0)
238 #define spin_lock(lock) do {} while (0)
239 #define spin_unlock(lock) do {} while (0)
240 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
241 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
242
243 #define DEFINE_MUTEX(...)
244 #define mutex_init(...)
245 #define mutex_lock(...)
246 #define mutex_unlock(...)
247
248 #define init_rwsem(...) do { } while (0)
249 #define down_read(...) do { } while (0)
250 #define down_write(...) do { } while (0)
251 #define down_write_trylock(...) 1
252 #define up_read(...) do { } while (0)
253 #define up_write(...) do { } while (0)
254
255 #define cond_resched() do { } while (0)
256 #define yield() do { } while (0)
257
258 #define __init
259 #define __exit
260 #define __devinit
261 #define __devinitdata
262 #define __devinitconst
263
264 #define kthread_create(...) __builtin_return_address(0)
265 #define kthread_stop(...) do { } while (0)
266 #define wake_up_process(...) do { } while (0)
267
268 struct rw_semaphore { int i; };
269 #define down_write(...) do { } while (0)
270 #define up_write(...) do { } while (0)
271 #define down_read(...) do { } while (0)
272 #define up_read(...) do { } while (0)
273 struct device {
274 struct device *parent;
275 struct class *class;
276 dev_t devt; /* dev_t, creates the sysfs "dev" */
277 void (*release)(struct device *dev);
278 /* This is used from drivers/usb/musb-new subsystem only */
279 void *driver_data; /* data private to the driver */
280 void *device_data; /* data private to the device */
281 };
282 struct mutex { int i; };
283 struct kernel_param { int i; };
284
285 struct cdev {
286 int owner;
287 dev_t dev;
288 };
289 #define cdev_init(...) do { } while (0)
290 #define cdev_add(...) 0
291 #define cdev_del(...) do { } while (0)
292
293 #define prandom_u32(...) 0
294
295 typedef struct {
296 uid_t val;
297 } kuid_t;
298
299 typedef struct {
300 gid_t val;
301 } kgid_t;
302
303 /* from include/linux/types.h */
304
305 /**
306 * struct callback_head - callback structure for use with RCU and task_work
307 * @next: next update requests in a list
308 * @func: actual update function to call after the grace period.
309 */
310 struct callback_head {
311 struct callback_head *next;
312 void (*func)(struct callback_head *head);
313 };
314 #define rcu_head callback_head
315 enum writeback_sync_modes {
316 WB_SYNC_NONE, /* Don't wait on anything */
317 WB_SYNC_ALL, /* Wait on every mapping */
318 };
319
320 /* from include/linux/writeback.h */
321 /*
322 * A control structure which tells the writeback code what to do. These are
323 * always on the stack, and hence need no locking. They are always initialised
324 * in a manner such that unspecified fields are set to zero.
325 */
326 struct writeback_control {
327 long nr_to_write; /* Write this many pages, and decrement
328 this for each page written */
329 long pages_skipped; /* Pages which were not written */
330
331 /*
332 * For a_ops->writepages(): if start or end are non-zero then this is
333 * a hint that the filesystem need only write out the pages inside that
334 * byterange. The byte at `end' is included in the writeout request.
335 */
336 loff_t range_start;
337 loff_t range_end;
338
339 enum writeback_sync_modes sync_mode;
340
341 unsigned for_kupdate:1; /* A kupdate writeback */
342 unsigned for_background:1; /* A background writeback */
343 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */
344 unsigned for_reclaim:1; /* Invoked from the page allocator */
345 unsigned range_cyclic:1; /* range_start is cyclic */
346 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */
347 };
348
349 void *kmemdup(const void *src, size_t len, gfp_t gfp);
350
351 typedef int irqreturn_t;
352
353 struct timer_list {};
354 struct notifier_block {};
355
356 typedef unsigned long dmaaddr_t;
357
358 #define pm_runtime_get_sync(dev) do {} while (0)
359 #define pm_runtime_put(dev) do {} while (0)
360 #define pm_runtime_put_sync(dev) do {} while (0)
361 #define pm_runtime_use_autosuspend(dev) do {} while (0)
362 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
363 #define pm_runtime_enable(dev) do {} while (0)
364
365 #define IRQ_NONE 0
366 #define IRQ_HANDLED 1
367 #define IRQ_WAKE_THREAD 2
368
369 #define dev_set_drvdata(dev, data) do {} while (0)
370
371 #define enable_irq(...)
372 #define disable_irq(...)
373 #define disable_irq_wake(irq) do {} while (0)
374 #define enable_irq_wake(irq) -EINVAL
375 #define free_irq(irq, data) do {} while (0)
376 #define request_irq(nr, f, flags, nm, data) 0
377
378 #endif
379