1 #ifndef _LINUX_COMPAT_H_
2 #define _LINUX_COMPAT_H_
5 #include <linux/types.h>
7 #include <linux/kernel.h>
10 typedef struct unused unused_t;
16 extern struct p_current *current;
18 #define dev_dbg(dev, fmt, args...) \
20 #define dev_vdbg(dev, fmt, args...) \
22 #define dev_info(dev, fmt, args...) \
24 #define dev_err(dev, fmt, args...) \
26 #define dev_warn(dev, fmt, args...) \
29 #define GFP_ATOMIC ((gfp_t) 0)
30 #define GFP_KERNEL ((gfp_t) 0)
31 #define GFP_NOFS ((gfp_t) 0)
32 #define GFP_USER ((gfp_t) 0)
33 #define __GFP_NOWARN ((gfp_t) 0)
34 #define __GFP_ZERO ((__force gfp_t)0x8000u) /* Return zeroed page on success */
36 void *kmalloc(size_t size, int flags);
38 static inline void *kzalloc(size_t size, gfp_t flags)
40 return kmalloc(size, flags | __GFP_ZERO);
43 static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
45 if (size != 0 && n > SIZE_MAX / size)
47 return kmalloc(n * size, flags | __GFP_ZERO);
50 static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
52 return kmalloc_array(n, size, flags | __GFP_ZERO);
55 #define vmalloc(size) kmalloc(size, 0)
56 #define __vmalloc(size, flags, pgsz) kmalloc(size, flags)
57 static inline void *vzalloc(unsigned long size)
59 return kzalloc(size, 0);
61 static inline void kfree(const void *block)
65 static inline void vfree(const void *addr)
70 struct kmem_cache { int sz; };
72 struct kmem_cache *get_mem(int element_sz);
73 #define kmem_cache_create(a, sz, c, d, e) get_mem(sz)
74 void *kmem_cache_alloc(struct kmem_cache *obj, int flag);
75 static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
79 static inline void kmem_cache_destroy(struct kmem_cache *cachep)
84 #define DECLARE_WAITQUEUE(...) do { } while (0)
85 #define add_wait_queue(...) do { } while (0)
86 #define remove_wait_queue(...) do { } while (0)
88 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
90 #define PAGE_SIZE 4096
92 /* drivers/char/random.c */
93 #define get_random_bytes(...)
95 /* include/linux/leds.h */
96 struct led_trigger {};
98 #define DEFINE_LED_TRIGGER(x) static struct led_trigger *x;
105 static inline void led_trigger_register_simple(const char *name,
106 struct led_trigger **trigger) {}
107 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
108 static inline void led_trigger_event(struct led_trigger *trigger,
109 enum led_brightness event) {}
111 /* uapi/linux/limits.h */
112 #define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */
115 * The type used for indexing onto a disc or disc partition.
117 * Linux always considers sectors to be 512 bytes long independently
118 * of the devices real block size.
120 * blkcnt_t is the type of the inode's block count.
123 typedef u64 sector_t;
124 typedef u64 blkcnt_t;
126 typedef unsigned long sector_t;
127 typedef unsigned long blkcnt_t;
131 #define THIS_MODULE 0
132 #define try_module_get(...) 1
133 #define module_put(...) do { } while (0)
134 #define module_init(...)
135 #define module_exit(...)
136 #define EXPORT_SYMBOL(...)
137 #define EXPORT_SYMBOL_GPL(...)
138 #define module_param(...)
139 #define module_param_call(...)
140 #define MODULE_PARM_DESC(...)
141 #define MODULE_VERSION(...)
142 #define MODULE_DESCRIPTION(...)
143 #define MODULE_AUTHOR(...)
144 #define MODULE_LICENSE(...)
145 #define MODULE_ALIAS(...)
146 #define __module_get(...)
148 /* character device */
153 #define alloc_chrdev_region(...) 0
154 #define unregister_chrdev_region(...)
156 #define class_create(...) __builtin_return_address(0)
157 #define class_create_file(...) 0
158 #define class_register(...) 0
159 #define class_unregister(...)
160 #define class_remove_file(...)
161 #define class_destroy(...)
162 #define misc_register(...) 0
163 #define misc_deregister(...)
165 #define blocking_notifier_call_chain(...) 0
168 #define late_initcall(...)
170 #define dev_set_name(...) do { } while (0)
171 #define device_register(...) 0
172 #define device_unregister(...)
173 #define volume_sysfs_init(...) 0
174 #define volume_sysfs_close(...) do { } while (0)
176 #define init_waitqueue_head(...) do { } while (0)
177 #define wait_event_interruptible(...) 0
178 #define wake_up_interruptible(...) do { } while (0)
179 #define print_hex_dump(...) do { } while (0)
180 #define dump_stack(...) do { } while (0)
182 #define task_pid_nr(x) 0
183 #define set_freezable(...) do { } while (0)
184 #define try_to_freeze(...) 0
185 #define set_current_state(...) do { } while (0)
186 #define kthread_should_stop(...) 0
187 #define schedule() do { } while (0)
189 #define setup_timer(timer, func, data) do {} while (0)
190 #define del_timer_sync(timer) do {} while (0)
191 #define schedule_work(work) do {} while (0)
192 #define INIT_WORK(work, fun) do {} while (0)
194 struct work_struct {};
196 unsigned long copy_from_user(void *dest, const void *src,
197 unsigned long count);
199 typedef unused_t spinlock_t;
200 typedef int wait_queue_head_t;
202 #define spin_lock_init(lock) do {} while (0)
203 #define spin_lock(lock) do {} while (0)
204 #define spin_unlock(lock) do {} while (0)
205 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
206 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
208 #define DEFINE_MUTEX(...)
209 #define mutex_init(...)
210 #define mutex_lock(...)
211 #define mutex_unlock(...)
213 #define init_rwsem(...) do { } while (0)
214 #define down_read(...) do { } while (0)
215 #define down_write(...) do { } while (0)
216 #define down_write_trylock(...) 1
217 #define up_read(...) do { } while (0)
218 #define up_write(...) do { } while (0)
220 #define cond_resched() do { } while (0)
221 #define yield() do { } while (0)
226 #define __devinitdata
227 #define __devinitconst
229 #define kthread_create(...) __builtin_return_address(0)
230 #define kthread_stop(...) do { } while (0)
231 #define wake_up_process(...) do { } while (0)
233 struct rw_semaphore { int i; };
234 #define down_write(...) do { } while (0)
235 #define up_write(...) do { } while (0)
236 #define down_read(...) do { } while (0)
237 #define up_read(...) do { } while (0)
239 struct device *parent;
241 dev_t devt; /* dev_t, creates the sysfs "dev" */
242 void (*release)(struct device *dev);
243 /* This is used from drivers/usb/musb-new subsystem only */
244 void *driver_data; /* data private to the driver */
245 void *device_data; /* data private to the device */
247 struct mutex { int i; };
248 struct kernel_param { int i; };
254 #define cdev_init(...) do { } while (0)
255 #define cdev_add(...) 0
256 #define cdev_del(...) do { } while (0)
258 #define prandom_u32(...) 0
268 /* from include/linux/types.h */
271 * struct callback_head - callback structure for use with RCU and task_work
272 * @next: next update requests in a list
273 * @func: actual update function to call after the grace period.
275 struct callback_head {
276 struct callback_head *next;
277 void (*func)(struct callback_head *head);
279 #define rcu_head callback_head
280 enum writeback_sync_modes {
281 WB_SYNC_NONE, /* Don't wait on anything */
282 WB_SYNC_ALL, /* Wait on every mapping */
285 /* from include/linux/writeback.h */
287 * A control structure which tells the writeback code what to do. These are
288 * always on the stack, and hence need no locking. They are always initialised
289 * in a manner such that unspecified fields are set to zero.
291 struct writeback_control {
292 long nr_to_write; /* Write this many pages, and decrement
293 this for each page written */
294 long pages_skipped; /* Pages which were not written */
297 * For a_ops->writepages(): if start or end are non-zero then this is
298 * a hint that the filesystem need only write out the pages inside that
299 * byterange. The byte at `end' is included in the writeout request.
304 enum writeback_sync_modes sync_mode;
306 unsigned for_kupdate:1; /* A kupdate writeback */
307 unsigned for_background:1; /* A background writeback */
308 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */
309 unsigned for_reclaim:1; /* Invoked from the page allocator */
310 unsigned range_cyclic:1; /* range_start is cyclic */
311 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */
314 void *kmemdup(const void *src, size_t len, gfp_t gfp);
316 typedef int irqreturn_t;
318 struct timer_list {};
319 struct notifier_block {};
321 typedef unsigned long dmaaddr_t;
323 #define pm_runtime_get_sync(dev) do {} while (0)
324 #define pm_runtime_put(dev) do {} while (0)
325 #define pm_runtime_put_sync(dev) do {} while (0)
326 #define pm_runtime_use_autosuspend(dev) do {} while (0)
327 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
328 #define pm_runtime_enable(dev) do {} while (0)
331 #define IRQ_HANDLED 1
332 #define IRQ_WAKE_THREAD 2
334 #define dev_set_drvdata(dev, data) do {} while (0)
336 #define enable_irq(...)
337 #define disable_irq(...)
338 #define disable_irq_wake(irq) do {} while (0)
339 #define enable_irq_wake(irq) -EINVAL
340 #define free_irq(irq, data) do {} while (0)
341 #define request_irq(nr, f, flags, nm, data) 0