2 * Copyright (C) 2007 Oracle. All rights reserved.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
29 #define get_cpu_var(p) (p)
30 #define __get_cpu_var(p) (p)
31 #define BITS_PER_LONG (sizeof(long) * 8)
32 #define __GFP_BITS_SHIFT 20
33 #define __GFP_BITS_MASK ((int)((1 << __GFP_BITS_SHIFT) - 1))
37 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
38 #define ULONG_MAX (~0UL)
41 #define __force __attribute__((force))
42 #define __bitwise__ __attribute__((bitwise))
49 #include <asm/types.h>
55 typedef unsigned int u32
;
56 typedef unsigned int __u32
;
57 typedef unsigned long long u64
;
58 typedef unsigned char u8
;
59 typedef unsigned short u16
;
63 struct vma_shared
{ int prio_tree_node
; };
64 struct vm_area_struct
{
65 unsigned long vm_pgoff
;
66 unsigned long vm_start
;
68 struct vma_shared shared
;
74 #define preempt_enable() do { } while (0)
75 #define preempt_disable() do { } while (0)
77 #define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
78 #define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
81 * __set_bit - Set a bit in memory
83 * @addr: the address to start counting from
85 * Unlike set_bit(), this function is non-atomic and may be reordered.
86 * If it's called on the same region of memory simultaneously, the effect
87 * may be that only one operation succeeds.
89 static inline void __set_bit(int nr
, volatile unsigned long *addr
)
91 unsigned long mask
= BITOP_MASK(nr
);
92 unsigned long *p
= ((unsigned long *)addr
) + BITOP_WORD(nr
);
97 static inline void __clear_bit(int nr
, volatile unsigned long *addr
)
99 unsigned long mask
= BITOP_MASK(nr
);
100 unsigned long *p
= ((unsigned long *)addr
) + BITOP_WORD(nr
);
106 * test_bit - Determine whether a bit is set
107 * @nr: bit number to test
108 * @addr: Address to start counting from
110 static inline int test_bit(int nr
, const volatile unsigned long *addr
)
112 return 1UL & (addr
[BITOP_WORD(nr
)] >> (nr
& (BITS_PER_LONG
-1)));
115 #define BUG_ON(c) do { if (c) abort(); } while (0)
118 #ifdef __compiler_offsetof
119 #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
121 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
124 #define container_of(ptr, type, member) ({ \
125 const typeof( ((type *)0)->member ) *__mptr = (ptr); \
126 (type *)( (char *)__mptr - offsetof(type,member) );})
128 #define __CHECK_ENDIAN__
129 #define __bitwise __bitwise__
134 typedef u16 __bitwise __le16
;
135 typedef u16 __bitwise __be16
;
136 typedef u32 __bitwise __le32
;
137 typedef u32 __bitwise __be32
;
138 typedef u64 __bitwise __le64
;
139 typedef u64 __bitwise __be64
;
141 /* Macros to generate set/get funcs for the struct fields
142 * assume there is a lefoo_to_cpu for every type, so lets make a simple
145 #define le8_to_cpu(v) (v)
146 #define cpu_to_le8(v) (v)
149 #if __BYTE_ORDER == __BIG_ENDIAN
150 #define cpu_to_le64(x) ((__force __le64)(u64)(bswap_64(x)))
151 #define le64_to_cpu(x) ((__force u64)(__le64)(bswap_64(x)))
152 #define cpu_to_le32(x) ((__force __le32)(u32)(bswap_32(x)))
153 #define le32_to_cpu(x) ((__force u32)(__le32)(bswap_32(x)))
154 #define cpu_to_le16(x) ((__force __le16)(u16)(bswap_16(x)))
155 #define le16_to_cpu(x) ((__force u16)(__le16)(bswap_16(x)))
157 #define cpu_to_le64(x) ((__force __le64)(u64)(x))
158 #define le64_to_cpu(x) ((__force u64)(__le64)(x))
159 #define cpu_to_le32(x) ((__force __le32)(u32)(x))
160 #define le32_to_cpu(x) ((__force u32)(__le32)(x))
161 #define cpu_to_le16(x) ((__force __le16)(u16)(x))
162 #define le16_to_cpu(x) ((__force u16)(__le16)(x))