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 /* avoid conflict with <dm/device.h> */
35 #define dev_dbg(dev, fmt, args...) \
37 #define dev_vdbg(dev, fmt, args...) \
39 #define dev_info(dev, fmt, args...) \
41 #define dev_err(dev, fmt, args...) \
43 #define dev_warn(dev, fmt, args...) \
46 #define netdev_emerg(dev, fmt, args...) \
48 #define netdev_alert(dev, fmt, args...) \
50 #define netdev_crit(dev, fmt, args...) \
52 #define netdev_err(dev, fmt, args...) \
54 #define netdev_warn(dev, fmt, args...) \
56 #define netdev_notice(dev, fmt, args...) \
58 #define netdev_info(dev, fmt, args...) \
60 #define netdev_dbg(dev, fmt, args...) \
62 #define netdev_vdbg(dev, fmt, args...) \
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 */
72 void *kmalloc(size_t size, int flags);
74 static inline void *kzalloc(size_t size, gfp_t flags)
76 return kmalloc(size, flags | __GFP_ZERO);
79 static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
81 if (size != 0 && n > SIZE_MAX / size)
83 return kmalloc(n * size, flags | __GFP_ZERO);
86 static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
88 return kmalloc_array(n, size, flags | __GFP_ZERO);
91 #define vmalloc(size) kmalloc(size, 0)
92 #define __vmalloc(size, flags, pgsz) kmalloc(size, flags)
93 static inline void *vzalloc(unsigned long size)
95 return kzalloc(size, 0);
97 static inline void kfree(const void *block)
101 static inline void vfree(const void *addr)
106 struct kmem_cache { int sz; };
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);
111 static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj)
115 static inline void kmem_cache_destroy(struct kmem_cache *cachep)
120 #define DECLARE_WAITQUEUE(...) do { } while (0)
121 #define add_wait_queue(...) do { } while (0)
122 #define remove_wait_queue(...) do { } while (0)
124 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
126 /* This is also defined in ARMv8's mmu.h */
128 #define PAGE_SIZE 4096
131 /* drivers/char/random.c */
132 #define get_random_bytes(...)
134 /* include/linux/leds.h */
135 struct led_trigger {};
137 #define DEFINE_LED_TRIGGER(x) static struct led_trigger *x;
138 enum led_brightness {
144 static inline void led_trigger_register_simple(const char *name,
145 struct led_trigger **trigger) {}
146 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
147 static inline void led_trigger_event(struct led_trigger *trigger,
148 enum led_brightness event) {}
150 /* uapi/linux/limits.h */
151 #define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */
154 * The type used for indexing onto a disc or disc partition.
156 * Linux always considers sectors to be 512 bytes long independently
157 * of the devices real block size.
159 * blkcnt_t is the type of the inode's block count.
162 typedef u64 sector_t;
163 typedef u64 blkcnt_t;
165 typedef unsigned long sector_t;
166 typedef unsigned long blkcnt_t;
170 #define THIS_MODULE 0
171 #define try_module_get(...) 1
172 #define module_put(...) do { } while (0)
173 #define module_init(...)
174 #define module_exit(...)
175 #define EXPORT_SYMBOL(...)
176 #define EXPORT_SYMBOL_GPL(...)
177 #define module_param(...)
178 #define module_param_call(...)
179 #define MODULE_PARM_DESC(...)
180 #define MODULE_VERSION(...)
181 #define MODULE_DESCRIPTION(...)
182 #define MODULE_AUTHOR(...)
183 #define MODULE_LICENSE(...)
184 #define MODULE_ALIAS(...)
185 #define __module_get(...)
187 /* character device */
192 #define alloc_chrdev_region(...) 0
193 #define unregister_chrdev_region(...)
195 #define class_create(...) __builtin_return_address(0)
196 #define class_create_file(...) 0
197 #define class_register(...) 0
198 #define class_unregister(...)
199 #define class_remove_file(...)
200 #define class_destroy(...)
201 #define misc_register(...) 0
202 #define misc_deregister(...)
204 #define blocking_notifier_call_chain(...) 0
207 #define late_initcall(...)
209 #define dev_set_name(...) do { } while (0)
210 #define device_register(...) 0
211 #define device_unregister(...)
212 #define volume_sysfs_init(...) 0
213 #define volume_sysfs_close(...) do { } while (0)
215 #define init_waitqueue_head(...) do { } while (0)
216 #define wait_event_interruptible(...) 0
217 #define wake_up_interruptible(...) do { } while (0)
218 #define dump_stack(...) do { } while (0)
220 #define task_pid_nr(x) 0
221 #define set_freezable(...) do { } while (0)
222 #define try_to_freeze(...) 0
223 #define set_current_state(...) do { } while (0)
224 #define kthread_should_stop(...) 0
225 #define schedule() do { } while (0)
227 #define setup_timer(timer, func, data) do {} while (0)
228 #define del_timer_sync(timer) do {} while (0)
229 #define schedule_work(work) do {} while (0)
230 #define INIT_WORK(work, fun) do {} while (0)
232 struct work_struct {};
234 unsigned long copy_from_user(void *dest, const void *src,
235 unsigned long count);
237 typedef unused_t spinlock_t;
238 typedef int wait_queue_head_t;
240 #define spin_lock_init(lock) do {} while (0)
241 #define spin_lock(lock) do {} while (0)
242 #define spin_unlock(lock) do {} while (0)
243 #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0)
244 #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0)
246 #define DEFINE_MUTEX(...)
247 #define mutex_init(...)
248 #define mutex_lock(...)
249 #define mutex_unlock(...)
251 #define init_rwsem(...) do { } while (0)
252 #define down_read(...) do { } while (0)
253 #define down_write(...) do { } while (0)
254 #define down_write_trylock(...) 1
255 #define up_read(...) do { } while (0)
256 #define up_write(...) do { } while (0)
258 #define cond_resched() do { } while (0)
259 #define yield() do { } while (0)
264 #define __devinitdata
265 #define __devinitconst
267 #define kthread_create(...) __builtin_return_address(0)
268 #define kthread_stop(...) do { } while (0)
269 #define wake_up_process(...) do { } while (0)
271 struct rw_semaphore { int i; };
272 #define down_write(...) do { } while (0)
273 #define up_write(...) do { } while (0)
274 #define down_read(...) do { } while (0)
275 #define up_read(...) do { } while (0)
277 struct device *parent;
279 dev_t devt; /* dev_t, creates the sysfs "dev" */
280 void (*release)(struct device *dev);
281 /* This is used from drivers/usb/musb-new subsystem only */
282 void *driver_data; /* data private to the driver */
283 void *device_data; /* data private to the device */
285 struct mutex { int i; };
286 struct kernel_param { int i; };
292 #define cdev_init(...) do { } while (0)
293 #define cdev_add(...) 0
294 #define cdev_del(...) do { } while (0)
296 #define prandom_u32(...) 0
306 /* from include/linux/types.h */
309 * struct callback_head - callback structure for use with RCU and task_work
310 * @next: next update requests in a list
311 * @func: actual update function to call after the grace period.
313 struct callback_head {
314 struct callback_head *next;
315 void (*func)(struct callback_head *head);
317 #define rcu_head callback_head
318 enum writeback_sync_modes {
319 WB_SYNC_NONE, /* Don't wait on anything */
320 WB_SYNC_ALL, /* Wait on every mapping */
323 /* from include/linux/writeback.h */
325 * A control structure which tells the writeback code what to do. These are
326 * always on the stack, and hence need no locking. They are always initialised
327 * in a manner such that unspecified fields are set to zero.
329 struct writeback_control {
330 long nr_to_write; /* Write this many pages, and decrement
331 this for each page written */
332 long pages_skipped; /* Pages which were not written */
335 * For a_ops->writepages(): if start or end are non-zero then this is
336 * a hint that the filesystem need only write out the pages inside that
337 * byterange. The byte at `end' is included in the writeout request.
342 enum writeback_sync_modes sync_mode;
344 unsigned for_kupdate:1; /* A kupdate writeback */
345 unsigned for_background:1; /* A background writeback */
346 unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */
347 unsigned for_reclaim:1; /* Invoked from the page allocator */
348 unsigned range_cyclic:1; /* range_start is cyclic */
349 unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */
352 void *kmemdup(const void *src, size_t len, gfp_t gfp);
354 typedef int irqreturn_t;
356 struct timer_list {};
357 struct notifier_block {};
359 typedef unsigned long dmaaddr_t;
361 #define pm_runtime_get_sync(dev) do {} while (0)
362 #define pm_runtime_put(dev) do {} while (0)
363 #define pm_runtime_put_sync(dev) do {} while (0)
364 #define pm_runtime_use_autosuspend(dev) do {} while (0)
365 #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0)
366 #define pm_runtime_enable(dev) do {} while (0)
369 #define IRQ_HANDLED 1
370 #define IRQ_WAKE_THREAD 2
372 #define dev_set_drvdata(dev, data) do {} while (0)
374 #define enable_irq(...)
375 #define disable_irq(...)
376 #define disable_irq_wake(irq) do {} while (0)
377 #define enable_irq_wake(irq) -EINVAL
378 #define free_irq(irq, data) do {} while (0)
379 #define request_irq(nr, f, flags, nm, data) 0