1#ifndef _LINUX_TYPES_H 2#define _LINUX_TYPES_H 3 4#define __EXPORTED_HEADERS__ 5#include <uapi/linux/types.h> 6 7#ifndef __ASSEMBLY__ 8 9#define DECLARE_BITMAP(name,bits) \ 10 unsigned long name[BITS_TO_LONGS(bits)] 11 12typedef __u32 __kernel_dev_t; 13 14typedef __kernel_fd_set fd_set; 15typedef __kernel_dev_t dev_t; 16typedef __kernel_ino_t ino_t; 17typedef __kernel_mode_t mode_t; 18typedef unsigned short umode_t; 19typedef __u32 nlink_t; 20typedef __kernel_off_t off_t; 21typedef __kernel_pid_t pid_t; 22typedef __kernel_daddr_t daddr_t; 23typedef __kernel_key_t key_t; 24typedef __kernel_suseconds_t suseconds_t; 25typedef __kernel_timer_t timer_t; 26typedef __kernel_clockid_t clockid_t; 27typedef __kernel_mqd_t mqd_t; 28 29typedef _Bool bool; 30 31typedef __kernel_uid32_t uid_t; 32typedef __kernel_gid32_t gid_t; 33typedef __kernel_uid16_t uid16_t; 34typedef __kernel_gid16_t gid16_t; 35 36typedef unsigned long uintptr_t; 37 38#ifdef CONFIG_HAVE_UID16 39/* This is defined by include/asm-{arch}/posix_types.h */ 40typedef __kernel_old_uid_t old_uid_t; 41typedef __kernel_old_gid_t old_gid_t; 42#endif /* CONFIG_UID16 */ 43 44#if defined(__GNUC__) 45typedef __kernel_loff_t loff_t; 46#endif 47 48/* 49 * The following typedefs are also protected by individual ifdefs for 50 * historical reasons: 51 */ 52#ifndef _SIZE_T 53#define _SIZE_T 54typedef __kernel_size_t size_t; 55#endif 56 57#ifndef _SSIZE_T 58#define _SSIZE_T 59typedef __kernel_ssize_t ssize_t; 60#endif 61 62#ifndef _PTRDIFF_T 63#define _PTRDIFF_T 64typedef __kernel_ptrdiff_t ptrdiff_t; 65#endif 66 67#ifndef _TIME_T 68#define _TIME_T 69typedef __kernel_time_t time_t; 70#endif 71 72#ifndef _CLOCK_T 73#define _CLOCK_T 74typedef __kernel_clock_t clock_t; 75#endif 76 77#ifndef _CADDR_T 78#define _CADDR_T 79typedef __kernel_caddr_t caddr_t; 80#endif 81 82/* bsd */ 83typedef unsigned char u_char; 84typedef unsigned short u_short; 85typedef unsigned int u_int; 86typedef unsigned long u_long; 87 88/* sysv */ 89typedef unsigned char unchar; 90typedef unsigned short ushort; 91typedef unsigned int uint; 92typedef unsigned long ulong; 93 94#ifndef __BIT_TYPES_DEFINED__ 95#define __BIT_TYPES_DEFINED__ 96 97typedef __u8 u_int8_t; 98typedef __s8 int8_t; 99typedef __u16 u_int16_t; 100typedef __s16 int16_t; 101typedef __u32 u_int32_t; 102typedef __s32 int32_t; 103 104#endif /* !(__BIT_TYPES_DEFINED__) */ 105 106typedef __u8 uint8_t; 107typedef __u16 uint16_t; 108typedef __u32 uint32_t; 109 110#if defined(__GNUC__) 111typedef __u64 uint64_t; 112typedef __u64 u_int64_t; 113typedef __s64 int64_t; 114#endif 115 116/* this is a special 64bit data type that is 8-byte aligned */ 117#define aligned_u64 __u64 __attribute__((aligned(8))) 118#define aligned_be64 __be64 __attribute__((aligned(8))) 119#define aligned_le64 __le64 __attribute__((aligned(8))) 120 121/** 122 * The type used for indexing onto a disc or disc partition. 123 * 124 * Linux always considers sectors to be 512 bytes long independently 125 * of the devices real block size. 126 * 127 * blkcnt_t is the type of the inode's block count. 128 */ 129#ifdef CONFIG_LBDAF 130typedef u64 sector_t; 131typedef u64 blkcnt_t; 132#else 133typedef unsigned long sector_t; 134typedef unsigned long blkcnt_t; 135#endif 136 137/* 138 * The type of an index into the pagecache. 139 */ 140#define pgoff_t unsigned long 141 142/* 143 * A dma_addr_t can hold any valid DMA address, i.e., any address returned 144 * by the DMA API. 145 * 146 * If the DMA API only uses 32-bit addresses, dma_addr_t need only be 32 147 * bits wide. Bus addresses, e.g., PCI BARs, may be wider than 32 bits, 148 * but drivers do memory-mapped I/O to ioremapped kernel virtual addresses, 149 * so they don't care about the size of the actual bus addresses. 150 */ 151#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT 152typedef u64 dma_addr_t; 153#else 154typedef u32 dma_addr_t; 155#endif 156 157typedef unsigned __bitwise__ gfp_t; 158typedef unsigned __bitwise__ fmode_t; 159typedef unsigned __bitwise__ oom_flags_t; 160 161#ifdef CONFIG_PHYS_ADDR_T_64BIT 162typedef u64 phys_addr_t; 163#else 164typedef u32 phys_addr_t; 165#endif 166 167typedef phys_addr_t resource_size_t; 168 169/* 170 * This type is the placeholder for a hardware interrupt number. It has to be 171 * big enough to enclose whatever representation is used by a given platform. 172 */ 173typedef unsigned long irq_hw_number_t; 174 175typedef struct { 176 int counter; 177} atomic_t; 178 179#ifdef CONFIG_64BIT 180typedef struct { 181 long counter; 182} atomic64_t; 183#endif 184 185struct list_head { 186 struct list_head *next, *prev; 187}; 188 189struct hlist_head { 190 struct hlist_node *first; 191}; 192 193struct hlist_node { 194 struct hlist_node *next, **pprev; 195}; 196 197struct ustat { 198 __kernel_daddr_t f_tfree; 199 __kernel_ino_t f_tinode; 200 char f_fname[6]; 201 char f_fpack[6]; 202}; 203 204/** 205 * struct callback_head - callback structure for use with RCU and task_work 206 * @next: next update requests in a list 207 * @func: actual update function to call after the grace period. 208 */ 209struct callback_head { 210 struct callback_head *next; 211 void (*func)(struct callback_head *head); 212}; 213#define rcu_head callback_head 214 215/* clocksource cycle base type */ 216typedef u64 cycle_t; 217 218#endif /* __ASSEMBLY__ */ 219#endif /* _LINUX_TYPES_H */ 220