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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 
12 typedef __u32 __kernel_dev_t;
13 
14 typedef __kernel_fd_set		fd_set;
15 typedef __kernel_dev_t		dev_t;
16 typedef __kernel_ino_t		ino_t;
17 typedef __kernel_mode_t		mode_t;
18 typedef unsigned short		umode_t;
19 typedef __u32			nlink_t;
20 typedef __kernel_off_t		off_t;
21 typedef __kernel_pid_t		pid_t;
22 typedef __kernel_daddr_t	daddr_t;
23 typedef __kernel_key_t		key_t;
24 typedef __kernel_suseconds_t	suseconds_t;
25 typedef __kernel_timer_t	timer_t;
26 typedef __kernel_clockid_t	clockid_t;
27 typedef __kernel_mqd_t		mqd_t;
28 
29 typedef _Bool			bool;
30 
31 typedef __kernel_uid32_t	uid_t;
32 typedef __kernel_gid32_t	gid_t;
33 typedef __kernel_uid16_t        uid16_t;
34 typedef __kernel_gid16_t        gid16_t;
35 
36 typedef unsigned long		uintptr_t;
37 
38 #ifdef CONFIG_UID16
39 /* This is defined by include/asm-{arch}/posix_types.h */
40 typedef __kernel_old_uid_t	old_uid_t;
41 typedef __kernel_old_gid_t	old_gid_t;
42 #endif /* CONFIG_UID16 */
43 
44 #if defined(__GNUC__)
45 typedef __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
54 typedef __kernel_size_t		size_t;
55 #endif
56 
57 #ifndef _SSIZE_T
58 #define _SSIZE_T
59 typedef __kernel_ssize_t	ssize_t;
60 #endif
61 
62 #ifndef _PTRDIFF_T
63 #define _PTRDIFF_T
64 typedef __kernel_ptrdiff_t	ptrdiff_t;
65 #endif
66 
67 #ifndef _TIME_T
68 #define _TIME_T
69 typedef __kernel_time_t		time_t;
70 #endif
71 
72 #ifndef _CLOCK_T
73 #define _CLOCK_T
74 typedef __kernel_clock_t	clock_t;
75 #endif
76 
77 #ifndef _CADDR_T
78 #define _CADDR_T
79 typedef __kernel_caddr_t	caddr_t;
80 #endif
81 
82 /* bsd */
83 typedef unsigned char		u_char;
84 typedef unsigned short		u_short;
85 typedef unsigned int		u_int;
86 typedef unsigned long		u_long;
87 
88 /* sysv */
89 typedef unsigned char		unchar;
90 typedef unsigned short		ushort;
91 typedef unsigned int		uint;
92 typedef unsigned long		ulong;
93 
94 #ifndef __BIT_TYPES_DEFINED__
95 #define __BIT_TYPES_DEFINED__
96 
97 typedef		__u8		u_int8_t;
98 typedef		__s8		int8_t;
99 typedef		__u16		u_int16_t;
100 typedef		__s16		int16_t;
101 typedef		__u32		u_int32_t;
102 typedef		__s32		int32_t;
103 
104 #endif /* !(__BIT_TYPES_DEFINED__) */
105 
106 typedef		__u8		uint8_t;
107 typedef		__u16		uint16_t;
108 typedef		__u32		uint32_t;
109 
110 #if defined(__GNUC__)
111 typedef		__u64		uint64_t;
112 typedef		__u64		u_int64_t;
113 typedef		__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
130 typedef u64 sector_t;
131 typedef u64 blkcnt_t;
132 #else
133 typedef unsigned long sector_t;
134 typedef unsigned long blkcnt_t;
135 #endif
136 
137 /*
138  * The type of an index into the pagecache.  Use a #define so asm/types.h
139  * can override it.
140  */
141 #ifndef pgoff_t
142 #define pgoff_t unsigned long
143 #endif
144 
145 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
146 typedef u64 dma_addr_t;
147 #else
148 typedef u32 dma_addr_t;
149 #endif /* dma_addr_t */
150 
151 #ifdef __CHECKER__
152 #else
153 #endif
154 #ifdef __CHECK_ENDIAN__
155 #else
156 #endif
157 typedef unsigned __bitwise__ gfp_t;
158 typedef unsigned __bitwise__ fmode_t;
159 typedef unsigned __bitwise__ oom_flags_t;
160 
161 #ifdef CONFIG_PHYS_ADDR_T_64BIT
162 typedef u64 phys_addr_t;
163 #else
164 typedef u32 phys_addr_t;
165 #endif
166 
167 typedef 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  */
173 typedef unsigned long irq_hw_number_t;
174 
175 typedef struct {
176 	int counter;
177 } atomic_t;
178 
179 #ifdef CONFIG_64BIT
180 typedef struct {
181 	long counter;
182 } atomic64_t;
183 #endif
184 
185 struct list_head {
186 	struct list_head *next, *prev;
187 };
188 
189 struct hlist_head {
190 	struct hlist_node *first;
191 };
192 
193 struct hlist_node {
194 	struct hlist_node *next, **pprev;
195 };
196 
197 struct 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  */
209 struct callback_head {
210 	struct callback_head *next;
211 	void (*func)(struct callback_head *head);
212 };
213 #define rcu_head callback_head
214 
215 #endif /*  __ASSEMBLY__ */
216 #endif /* _LINUX_TYPES_H */
217