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