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types.h
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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 
13 
18 typedef unsigned short umode_t;
19 typedef __u32 nlink_t;
28 
29 typedef _Bool bool;
30 
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
55 #endif
56 
57 #ifndef _SSIZE_T
58 #define _SSIZE_T
60 #endif
61 
62 #ifndef _PTRDIFF_T
63 #define _PTRDIFF_T
65 #endif
66 
67 #ifndef _TIME_T
68 #define _TIME_T
70 #endif
71 
72 #ifndef _CLOCK_T
73 #define _CLOCK_T
75 #endif
76 
77 #ifndef _CADDR_T
78 #define _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 
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 
160 #ifdef CONFIG_PHYS_ADDR_T_64BIT
161 typedef u64 phys_addr_t;
162 #else
163 typedef u32 phys_addr_t;
164 #endif
165 
167 
168 /*
169  * This type is the placeholder for a hardware interrupt number. It has to be
170  * big enough to enclose whatever representation is used by a given platform.
171  */
172 typedef unsigned long irq_hw_number_t;
173 
174 typedef struct {
175  int counter;
176 } atomic_t;
177 
178 #ifdef CONFIG_64BIT
179 typedef struct {
180  long counter;
181 } atomic64_t;
182 #endif
183 
184 struct list_head {
185  struct list_head *next, *prev;
186 };
187 
188 struct hlist_head {
189  struct hlist_node *first;
190 };
191 
192 struct hlist_node {
193  struct hlist_node *next, **pprev;
194 };
195 
196 struct ustat {
199  char f_fname[6];
200  char f_fpack[6];
201 };
202 
211 };
212 #define rcu_head callback_head
213 
214 #endif /* __ASSEMBLY__ */
215 #endif /* _LINUX_TYPES_H */