17b15e2bbSMike Frysinger #ifndef _LINUX_COMPAT_H_ 27b15e2bbSMike Frysinger #define _LINUX_COMPAT_H_ 37b15e2bbSMike Frysinger 40c06db59SHeiko Schocher #include <malloc.h> 50c06db59SHeiko Schocher #include <linux/types.h> 60c06db59SHeiko Schocher #include <linux/err.h> 75219db8aSHeiko Schocher #include <linux/kernel.h> 80c06db59SHeiko Schocher 90c06db59SHeiko Schocher struct unused {}; 100c06db59SHeiko Schocher typedef struct unused unused_t; 110c06db59SHeiko Schocher 120c06db59SHeiko Schocher struct p_current{ 130c06db59SHeiko Schocher int pid; 140c06db59SHeiko Schocher }; 150c06db59SHeiko Schocher 160c06db59SHeiko Schocher extern struct p_current *current; 170c06db59SHeiko Schocher 18*c898cba4SMasahiro Yamada /* avoid conflict with <dm/device.h> */ 19*c898cba4SMasahiro Yamada #ifdef dev_dbg 20*c898cba4SMasahiro Yamada #undef dev_dbg 21*c898cba4SMasahiro Yamada #endif 22*c898cba4SMasahiro Yamada #ifdef dev_vdbg 23*c898cba4SMasahiro Yamada #undef dev_vdbg 24*c898cba4SMasahiro Yamada #endif 25*c898cba4SMasahiro Yamada #ifdef dev_info 26*c898cba4SMasahiro Yamada #undef dev_info 27*c898cba4SMasahiro Yamada #endif 28*c898cba4SMasahiro Yamada #ifdef dev_err 29*c898cba4SMasahiro Yamada #undef dev_err 30*c898cba4SMasahiro Yamada #endif 31*c898cba4SMasahiro Yamada #ifdef dev_warn 32*c898cba4SMasahiro Yamada #undef dev_warn 33*c898cba4SMasahiro Yamada #endif 34*c898cba4SMasahiro Yamada 352f96b06bSWu, Josh #define dev_dbg(dev, fmt, args...) \ 362f96b06bSWu, Josh debug(fmt, ##args) 372f96b06bSWu, Josh #define dev_vdbg(dev, fmt, args...) \ 382f96b06bSWu, Josh debug(fmt, ##args) 392f96b06bSWu, Josh #define dev_info(dev, fmt, args...) \ 402f96b06bSWu, Josh printf(fmt, ##args) 412f96b06bSWu, Josh #define dev_err(dev, fmt, args...) \ 422f96b06bSWu, Josh printf(fmt, ##args) 4388a7fffeSAndreas Bießmann #define dev_warn(dev, fmt, args...) \ 4488a7fffeSAndreas Bießmann printf(fmt, ##args) 457b15e2bbSMike Frysinger 466b9f9eadSMasahiro Yamada #define GFP_ATOMIC ((gfp_t) 0) 476b9f9eadSMasahiro Yamada #define GFP_KERNEL ((gfp_t) 0) 486b9f9eadSMasahiro Yamada #define GFP_NOFS ((gfp_t) 0) 496b9f9eadSMasahiro Yamada #define GFP_USER ((gfp_t) 0) 506b9f9eadSMasahiro Yamada #define __GFP_NOWARN ((gfp_t) 0) 516b9f9eadSMasahiro Yamada #define __GFP_ZERO ((__force gfp_t)0x8000u) /* Return zeroed page on success */ 526b9f9eadSMasahiro Yamada 530c06db59SHeiko Schocher void *kmalloc(size_t size, int flags); 546b9f9eadSMasahiro Yamada 556b9f9eadSMasahiro Yamada static inline void *kzalloc(size_t size, gfp_t flags) 566b9f9eadSMasahiro Yamada { 576b9f9eadSMasahiro Yamada return kmalloc(size, flags | __GFP_ZERO); 586b9f9eadSMasahiro Yamada } 595219db8aSHeiko Schocher 605219db8aSHeiko Schocher static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags) 615219db8aSHeiko Schocher { 625219db8aSHeiko Schocher if (size != 0 && n > SIZE_MAX / size) 635219db8aSHeiko Schocher return NULL; 645219db8aSHeiko Schocher return kmalloc(n * size, flags | __GFP_ZERO); 655219db8aSHeiko Schocher } 665219db8aSHeiko Schocher 675219db8aSHeiko Schocher static inline void *kcalloc(size_t n, size_t size, gfp_t flags) 685219db8aSHeiko Schocher { 695219db8aSHeiko Schocher return kmalloc_array(n, size, flags | __GFP_ZERO); 705219db8aSHeiko Schocher } 715219db8aSHeiko Schocher 720c06db59SHeiko Schocher #define vmalloc(size) kmalloc(size, 0) 730c06db59SHeiko Schocher #define __vmalloc(size, flags, pgsz) kmalloc(size, flags) 74ebc3328cSMasahiro Yamada static inline void *vzalloc(unsigned long size) 75ebc3328cSMasahiro Yamada { 76ebc3328cSMasahiro Yamada return kzalloc(size, 0); 77ebc3328cSMasahiro Yamada } 785219db8aSHeiko Schocher static inline void kfree(const void *block) 795219db8aSHeiko Schocher { 805219db8aSHeiko Schocher free((void *)block); 815219db8aSHeiko Schocher } 825219db8aSHeiko Schocher static inline void vfree(const void *addr) 835219db8aSHeiko Schocher { 845219db8aSHeiko Schocher free((void *)addr); 855219db8aSHeiko Schocher } 867b15e2bbSMike Frysinger 870c06db59SHeiko Schocher struct kmem_cache { int sz; }; 880c06db59SHeiko Schocher 890c06db59SHeiko Schocher struct kmem_cache *get_mem(int element_sz); 900c06db59SHeiko Schocher #define kmem_cache_create(a, sz, c, d, e) get_mem(sz) 910c06db59SHeiko Schocher void *kmem_cache_alloc(struct kmem_cache *obj, int flag); 925219db8aSHeiko Schocher static inline void kmem_cache_free(struct kmem_cache *cachep, void *obj) 935219db8aSHeiko Schocher { 945219db8aSHeiko Schocher free(obj); 955219db8aSHeiko Schocher } 965219db8aSHeiko Schocher static inline void kmem_cache_destroy(struct kmem_cache *cachep) 975219db8aSHeiko Schocher { 985219db8aSHeiko Schocher free(cachep); 995219db8aSHeiko Schocher } 1000c06db59SHeiko Schocher 1017b15e2bbSMike Frysinger #define DECLARE_WAITQUEUE(...) do { } while (0) 1027b15e2bbSMike Frysinger #define add_wait_queue(...) do { } while (0) 1037b15e2bbSMike Frysinger #define remove_wait_queue(...) do { } while (0) 1047b15e2bbSMike Frysinger 1057b15e2bbSMike Frysinger #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) 1067b15e2bbSMike Frysinger 1077b15e2bbSMike Frysinger #define PAGE_SIZE 4096 1088f2df5d3SLijun Pan 1090c06db59SHeiko Schocher /* drivers/char/random.c */ 1100c06db59SHeiko Schocher #define get_random_bytes(...) 1110c06db59SHeiko Schocher 1120c06db59SHeiko Schocher /* include/linux/leds.h */ 1130c06db59SHeiko Schocher struct led_trigger {}; 1140c06db59SHeiko Schocher 1150c06db59SHeiko Schocher #define DEFINE_LED_TRIGGER(x) static struct led_trigger *x; 1160c06db59SHeiko Schocher enum led_brightness { 1170c06db59SHeiko Schocher LED_OFF = 0, 1180c06db59SHeiko Schocher LED_HALF = 127, 1190c06db59SHeiko Schocher LED_FULL = 255, 1200c06db59SHeiko Schocher }; 1210c06db59SHeiko Schocher 1220c06db59SHeiko Schocher static inline void led_trigger_register_simple(const char *name, 1230c06db59SHeiko Schocher struct led_trigger **trigger) {} 1240c06db59SHeiko Schocher static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {} 1250c06db59SHeiko Schocher static inline void led_trigger_event(struct led_trigger *trigger, 1260c06db59SHeiko Schocher enum led_brightness event) {} 1270c06db59SHeiko Schocher 1280c06db59SHeiko Schocher /* uapi/linux/limits.h */ 1290c06db59SHeiko Schocher #define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */ 1300c06db59SHeiko Schocher 1310c06db59SHeiko Schocher /** 1320c06db59SHeiko Schocher * The type used for indexing onto a disc or disc partition. 1330c06db59SHeiko Schocher * 1340c06db59SHeiko Schocher * Linux always considers sectors to be 512 bytes long independently 1350c06db59SHeiko Schocher * of the devices real block size. 1360c06db59SHeiko Schocher * 1370c06db59SHeiko Schocher * blkcnt_t is the type of the inode's block count. 1380c06db59SHeiko Schocher */ 1390c06db59SHeiko Schocher #ifdef CONFIG_LBDAF 1400c06db59SHeiko Schocher typedef u64 sector_t; 1410c06db59SHeiko Schocher typedef u64 blkcnt_t; 1420c06db59SHeiko Schocher #else 1430c06db59SHeiko Schocher typedef unsigned long sector_t; 1440c06db59SHeiko Schocher typedef unsigned long blkcnt_t; 1450c06db59SHeiko Schocher #endif 1460c06db59SHeiko Schocher 1470c06db59SHeiko Schocher /* module */ 1480c06db59SHeiko Schocher #define THIS_MODULE 0 1490c06db59SHeiko Schocher #define try_module_get(...) 1 1500c06db59SHeiko Schocher #define module_put(...) do { } while (0) 1510c06db59SHeiko Schocher #define module_init(...) 1520c06db59SHeiko Schocher #define module_exit(...) 1530c06db59SHeiko Schocher #define EXPORT_SYMBOL(...) 1540c06db59SHeiko Schocher #define EXPORT_SYMBOL_GPL(...) 1550c06db59SHeiko Schocher #define module_param(...) 1560c06db59SHeiko Schocher #define module_param_call(...) 1570c06db59SHeiko Schocher #define MODULE_PARM_DESC(...) 1580c06db59SHeiko Schocher #define MODULE_VERSION(...) 1590c06db59SHeiko Schocher #define MODULE_DESCRIPTION(...) 1600c06db59SHeiko Schocher #define MODULE_AUTHOR(...) 1610c06db59SHeiko Schocher #define MODULE_LICENSE(...) 1620c06db59SHeiko Schocher #define MODULE_ALIAS(...) 1630c06db59SHeiko Schocher #define __module_get(...) 1640c06db59SHeiko Schocher 1650c06db59SHeiko Schocher /* character device */ 1660c06db59SHeiko Schocher #define MKDEV(...) 0 1670c06db59SHeiko Schocher #define MAJOR(dev) 0 1680c06db59SHeiko Schocher #define MINOR(dev) 0 1690c06db59SHeiko Schocher 1700c06db59SHeiko Schocher #define alloc_chrdev_region(...) 0 1710c06db59SHeiko Schocher #define unregister_chrdev_region(...) 1720c06db59SHeiko Schocher 1730c06db59SHeiko Schocher #define class_create(...) __builtin_return_address(0) 1740c06db59SHeiko Schocher #define class_create_file(...) 0 1755219db8aSHeiko Schocher #define class_register(...) 0 1765219db8aSHeiko Schocher #define class_unregister(...) 1770c06db59SHeiko Schocher #define class_remove_file(...) 1780c06db59SHeiko Schocher #define class_destroy(...) 1790c06db59SHeiko Schocher #define misc_register(...) 0 1800c06db59SHeiko Schocher #define misc_deregister(...) 1810c06db59SHeiko Schocher 1820c06db59SHeiko Schocher #define blocking_notifier_call_chain(...) 0 1830c06db59SHeiko Schocher 1840c06db59SHeiko Schocher #define __initdata 1850c06db59SHeiko Schocher #define late_initcall(...) 1860c06db59SHeiko Schocher 1870c06db59SHeiko Schocher #define dev_set_name(...) do { } while (0) 1880c06db59SHeiko Schocher #define device_register(...) 0 1895219db8aSHeiko Schocher #define device_unregister(...) 1900c06db59SHeiko Schocher #define volume_sysfs_init(...) 0 1910c06db59SHeiko Schocher #define volume_sysfs_close(...) do { } while (0) 1920c06db59SHeiko Schocher 1930c06db59SHeiko Schocher #define init_waitqueue_head(...) do { } while (0) 1940c06db59SHeiko Schocher #define wait_event_interruptible(...) 0 1950c06db59SHeiko Schocher #define wake_up_interruptible(...) do { } while (0) 1960c06db59SHeiko Schocher #define print_hex_dump(...) do { } while (0) 1970c06db59SHeiko Schocher #define dump_stack(...) do { } while (0) 1980c06db59SHeiko Schocher 1990c06db59SHeiko Schocher #define task_pid_nr(x) 0 2000c06db59SHeiko Schocher #define set_freezable(...) do { } while (0) 2010c06db59SHeiko Schocher #define try_to_freeze(...) 0 2020c06db59SHeiko Schocher #define set_current_state(...) do { } while (0) 2030c06db59SHeiko Schocher #define kthread_should_stop(...) 0 2040c06db59SHeiko Schocher #define schedule() do { } while (0) 2050c06db59SHeiko Schocher 2060c06db59SHeiko Schocher #define setup_timer(timer, func, data) do {} while (0) 2070c06db59SHeiko Schocher #define del_timer_sync(timer) do {} while (0) 2080c06db59SHeiko Schocher #define schedule_work(work) do {} while (0) 2090c06db59SHeiko Schocher #define INIT_WORK(work, fun) do {} while (0) 2100c06db59SHeiko Schocher 2110c06db59SHeiko Schocher struct work_struct {}; 2120c06db59SHeiko Schocher 2130c06db59SHeiko Schocher unsigned long copy_from_user(void *dest, const void *src, 2140c06db59SHeiko Schocher unsigned long count); 2150c06db59SHeiko Schocher 2160c06db59SHeiko Schocher typedef unused_t spinlock_t; 2170c06db59SHeiko Schocher typedef int wait_queue_head_t; 2180c06db59SHeiko Schocher 2190c06db59SHeiko Schocher #define spin_lock_init(lock) do {} while (0) 2200c06db59SHeiko Schocher #define spin_lock(lock) do {} while (0) 2210c06db59SHeiko Schocher #define spin_unlock(lock) do {} while (0) 2220c06db59SHeiko Schocher #define spin_lock_irqsave(lock, flags) do { debug("%lu\n", flags); } while (0) 2230c06db59SHeiko Schocher #define spin_unlock_irqrestore(lock, flags) do { flags = 0; } while (0) 2240c06db59SHeiko Schocher 2250c06db59SHeiko Schocher #define DEFINE_MUTEX(...) 2260c06db59SHeiko Schocher #define mutex_init(...) 2270c06db59SHeiko Schocher #define mutex_lock(...) 2280c06db59SHeiko Schocher #define mutex_unlock(...) 2290c06db59SHeiko Schocher 2300c06db59SHeiko Schocher #define init_rwsem(...) do { } while (0) 2310c06db59SHeiko Schocher #define down_read(...) do { } while (0) 2320c06db59SHeiko Schocher #define down_write(...) do { } while (0) 2330c06db59SHeiko Schocher #define down_write_trylock(...) 1 2340c06db59SHeiko Schocher #define up_read(...) do { } while (0) 2350c06db59SHeiko Schocher #define up_write(...) do { } while (0) 2360c06db59SHeiko Schocher 2370c06db59SHeiko Schocher #define cond_resched() do { } while (0) 2380c06db59SHeiko Schocher #define yield() do { } while (0) 2390c06db59SHeiko Schocher 2400c06db59SHeiko Schocher #define __init 2410c06db59SHeiko Schocher #define __exit 2420c06db59SHeiko Schocher #define __devinit 2430c06db59SHeiko Schocher #define __devinitdata 2440c06db59SHeiko Schocher #define __devinitconst 2450c06db59SHeiko Schocher 2460c06db59SHeiko Schocher #define kthread_create(...) __builtin_return_address(0) 2470c06db59SHeiko Schocher #define kthread_stop(...) do { } while (0) 2480c06db59SHeiko Schocher #define wake_up_process(...) do { } while (0) 2490c06db59SHeiko Schocher 2500c06db59SHeiko Schocher struct rw_semaphore { int i; }; 2510c06db59SHeiko Schocher #define down_write(...) do { } while (0) 2520c06db59SHeiko Schocher #define up_write(...) do { } while (0) 2530c06db59SHeiko Schocher #define down_read(...) do { } while (0) 2540c06db59SHeiko Schocher #define up_read(...) do { } while (0) 2550c06db59SHeiko Schocher struct device { 2560c06db59SHeiko Schocher struct device *parent; 2570c06db59SHeiko Schocher struct class *class; 2580c06db59SHeiko Schocher dev_t devt; /* dev_t, creates the sysfs "dev" */ 2590c06db59SHeiko Schocher void (*release)(struct device *dev); 2600c06db59SHeiko Schocher /* This is used from drivers/usb/musb-new subsystem only */ 2610c06db59SHeiko Schocher void *driver_data; /* data private to the driver */ 2620c06db59SHeiko Schocher void *device_data; /* data private to the device */ 2630c06db59SHeiko Schocher }; 2640c06db59SHeiko Schocher struct mutex { int i; }; 2650c06db59SHeiko Schocher struct kernel_param { int i; }; 2660c06db59SHeiko Schocher 2670c06db59SHeiko Schocher struct cdev { 2680c06db59SHeiko Schocher int owner; 2690c06db59SHeiko Schocher dev_t dev; 2700c06db59SHeiko Schocher }; 2710c06db59SHeiko Schocher #define cdev_init(...) do { } while (0) 2720c06db59SHeiko Schocher #define cdev_add(...) 0 2730c06db59SHeiko Schocher #define cdev_del(...) do { } while (0) 2740c06db59SHeiko Schocher 2750c06db59SHeiko Schocher #define prandom_u32(...) 0 2760c06db59SHeiko Schocher 2770c06db59SHeiko Schocher typedef struct { 2780c06db59SHeiko Schocher uid_t val; 2790c06db59SHeiko Schocher } kuid_t; 2800c06db59SHeiko Schocher 2810c06db59SHeiko Schocher typedef struct { 2820c06db59SHeiko Schocher gid_t val; 2830c06db59SHeiko Schocher } kgid_t; 2840c06db59SHeiko Schocher 2850c06db59SHeiko Schocher /* from include/linux/types.h */ 2860c06db59SHeiko Schocher 2870c06db59SHeiko Schocher /** 2880c06db59SHeiko Schocher * struct callback_head - callback structure for use with RCU and task_work 2890c06db59SHeiko Schocher * @next: next update requests in a list 2900c06db59SHeiko Schocher * @func: actual update function to call after the grace period. 2910c06db59SHeiko Schocher */ 2920c06db59SHeiko Schocher struct callback_head { 2930c06db59SHeiko Schocher struct callback_head *next; 2940c06db59SHeiko Schocher void (*func)(struct callback_head *head); 2950c06db59SHeiko Schocher }; 2960c06db59SHeiko Schocher #define rcu_head callback_head 2970c06db59SHeiko Schocher enum writeback_sync_modes { 2980c06db59SHeiko Schocher WB_SYNC_NONE, /* Don't wait on anything */ 2990c06db59SHeiko Schocher WB_SYNC_ALL, /* Wait on every mapping */ 3000c06db59SHeiko Schocher }; 3010c06db59SHeiko Schocher 3020c06db59SHeiko Schocher /* from include/linux/writeback.h */ 3030c06db59SHeiko Schocher /* 3040c06db59SHeiko Schocher * A control structure which tells the writeback code what to do. These are 3050c06db59SHeiko Schocher * always on the stack, and hence need no locking. They are always initialised 3060c06db59SHeiko Schocher * in a manner such that unspecified fields are set to zero. 3070c06db59SHeiko Schocher */ 3080c06db59SHeiko Schocher struct writeback_control { 3090c06db59SHeiko Schocher long nr_to_write; /* Write this many pages, and decrement 3100c06db59SHeiko Schocher this for each page written */ 3110c06db59SHeiko Schocher long pages_skipped; /* Pages which were not written */ 3120c06db59SHeiko Schocher 3130c06db59SHeiko Schocher /* 3140c06db59SHeiko Schocher * For a_ops->writepages(): if start or end are non-zero then this is 3150c06db59SHeiko Schocher * a hint that the filesystem need only write out the pages inside that 3160c06db59SHeiko Schocher * byterange. The byte at `end' is included in the writeout request. 3170c06db59SHeiko Schocher */ 3180c06db59SHeiko Schocher loff_t range_start; 3190c06db59SHeiko Schocher loff_t range_end; 3200c06db59SHeiko Schocher 3210c06db59SHeiko Schocher enum writeback_sync_modes sync_mode; 3220c06db59SHeiko Schocher 3230c06db59SHeiko Schocher unsigned for_kupdate:1; /* A kupdate writeback */ 3240c06db59SHeiko Schocher unsigned for_background:1; /* A background writeback */ 3250c06db59SHeiko Schocher unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */ 3260c06db59SHeiko Schocher unsigned for_reclaim:1; /* Invoked from the page allocator */ 3270c06db59SHeiko Schocher unsigned range_cyclic:1; /* range_start is cyclic */ 3280c06db59SHeiko Schocher unsigned for_sync:1; /* sync(2) WB_SYNC_ALL writeback */ 3290c06db59SHeiko Schocher }; 3300c06db59SHeiko Schocher 3310c06db59SHeiko Schocher void *kmemdup(const void *src, size_t len, gfp_t gfp); 3320c06db59SHeiko Schocher 3330c06db59SHeiko Schocher typedef int irqreturn_t; 3340c06db59SHeiko Schocher 3350c06db59SHeiko Schocher struct timer_list {}; 3360c06db59SHeiko Schocher struct notifier_block {}; 3370c06db59SHeiko Schocher 3380c06db59SHeiko Schocher typedef unsigned long dmaaddr_t; 3390c06db59SHeiko Schocher 3400c06db59SHeiko Schocher #define pm_runtime_get_sync(dev) do {} while (0) 3410c06db59SHeiko Schocher #define pm_runtime_put(dev) do {} while (0) 3420c06db59SHeiko Schocher #define pm_runtime_put_sync(dev) do {} while (0) 3430c06db59SHeiko Schocher #define pm_runtime_use_autosuspend(dev) do {} while (0) 3440c06db59SHeiko Schocher #define pm_runtime_set_autosuspend_delay(dev, delay) do {} while (0) 3450c06db59SHeiko Schocher #define pm_runtime_enable(dev) do {} while (0) 3460c06db59SHeiko Schocher 3470c06db59SHeiko Schocher #define IRQ_NONE 0 3480c06db59SHeiko Schocher #define IRQ_HANDLED 1 349747a0a5bSKishon Vijay Abraham I #define IRQ_WAKE_THREAD 2 3500c06db59SHeiko Schocher 3510c06db59SHeiko Schocher #define dev_set_drvdata(dev, data) do {} while (0) 3520c06db59SHeiko Schocher 3530c06db59SHeiko Schocher #define enable_irq(...) 3540c06db59SHeiko Schocher #define disable_irq(...) 3550c06db59SHeiko Schocher #define disable_irq_wake(irq) do {} while (0) 3560c06db59SHeiko Schocher #define enable_irq_wake(irq) -EINVAL 3570c06db59SHeiko Schocher #define free_irq(irq, data) do {} while (0) 3580c06db59SHeiko Schocher #define request_irq(nr, f, flags, nm, data) 0 3590c06db59SHeiko Schocher 3607b15e2bbSMike Frysinger #endif 361