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 74 static inline void *kzalloc(size_t size, gfp_t flags) 75 { 76 return kmalloc(size, flags | __GFP_ZERO); 77 } 78 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 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) 93 static inline void *vzalloc(unsigned long size) 94 { 95 return kzalloc(size, 0); 96 } 97 static inline void kfree(const void *block) 98 { 99 free((void *)block); 100 } 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); 111 static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj) 112 { 113 free(obj); 114 } 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 }; 140 141 static inline void led_trigger_register_simple(const char *name, 142 struct led_trigger **trigger) {} 143 static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {} 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