1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
#ifndef _SPL_SYSMACROS_H
#define _SPL_SYSMACROS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <linux/module.h>
#ifndef _KERNEL
#define _KERNEL __KERNEL__
#endif
/* Missing defines.
*/
#define FALSE 0
#define TRUE 1
#define INT32_MAX INT_MAX
#define UINT64_MAX (~0ULL)
#define NBBY 8
#define ENOTSUP ENOTSUPP
#define MAXNAMELEN 256
#define MAXPATHLEN PATH_MAX
#define __va_list va_list
#define max_ncpus 64
/* 0..MAX_PRIO-1: Process priority
* 0..MAX_RT_PRIO-1: RT priority tasks
* MAX_RT_PRIO..MAX_PRIO-1: SCHED_NORMAL tasks
*
* Treat shim tasks as SCHED_NORMAL tasks
*/
#define minclsyspri (MAX_RT_PRIO)
#define maxclsyspri (MAX_PRIO-1)
#define NICE_TO_PRIO(nice) (MAX_RT_PRIO + (nice) + 20)
#define PRIO_TO_NICE(prio) ((prio) - MAX_RT_PRIO - 20)
#define kred NULL
#define FREAD 1
#define FWRITE 2
#define FCREAT O_CREAT
#define FTRUNC O_TRUNC
#define FOFFMAX O_LARGEFILE
#define FSYNC O_SYNC
#define FDSYNC O_DSYNC
#define FRSYNC O_RSYNC
#define FEXCL O_EXCL
#define FNODSYNC 0x10000 /* fsync pseudo flag */
#define FNOFOLLOW 0x20000 /* don't follow symlinks */
/* Missing macros
*/
#define PAGESIZE PAGE_SIZE
/* from Solaris sys/byteorder.h */
#define BSWAP_8(x) ((x) & 0xff)
#define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
#define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16))
#define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32))
/* Map some simple functions.
*/
#define bzero(ptr,size) memset(ptr,0,size)
#define bcopy(src,dest,size) memcpy(dest,src,size)
#define ASSERT(x) BUG_ON(!(x))
#define VERIFY(x) ASSERT(x)
#define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
const TYPE __left = (TYPE)(LEFT); \
const TYPE __right = (TYPE)(RIGHT); \
if (!(__left OP __right)) \
BUG(); \
} while (0)
#define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
#define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
#define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
#define ASSERT3S(x, y, z) VERIFY3S(x, y, z)
#define ASSERT3U(x, y, z) VERIFY3U(x, y, z)
#define ASSERT3P(x, y, z) VERIFY3P(x, y, z)
/* Dtrace probes do not exist in the linux kernel */
#ifdef DTRACE_PROBE1
#undef DTRACE_PROBE1
#endif /* DTRACE_PROBE1 */
#define DTRACE_PROBE1(a, b, c) ((void)0)
#ifdef DTRACE_PROBE2
#undef DTRACE_PROBE2
#endif /* DTRACE_PROBE2 */
#define DTRACE_PROBE2(a, b, c, d, e) ((void)0)
#ifdef DTRACE_PROBE3
#undef DTRACE_PROBE3
#endif /* DTRACE_PROBE3 */
#define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0)
#ifdef DTRACE_PROBE4
#undef DTRACE_PROBE4
#endif /* DTRACE_PROBE4 */
#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
/* Missing globals */
extern int p0;
/* Missing misc functions */
extern int highbit(unsigned long i);
#define makedevice(maj,min) makedev(maj,min)
/* XXX - Borrowed from zfs project libsolcompat/include/sys/sysmacros.h */
/* common macros */
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) ((a) < (b) ? (b) : (a))
#endif
#ifndef ABS
#define ABS(a) ((a) < 0 ? -(a) : (a))
#endif
/*
* Compatibility macros/typedefs needed for Solaris -> Linux port
*/
#define P2ALIGN(x, align) ((x) & -(align))
#define P2CROSS(x, y, align) (((x) ^ (y)) > (align) - 1)
#define P2ROUNDUP(x, align) (-(-(x) & -(align)))
#define P2ROUNDUP_TYPED(x, align, type) \
(-(-(type)(x) & -(type)(align)))
#define P2PHASE(x, align) ((x) & ((align) - 1))
#define P2NPHASE(x, align) (-(x) & ((align) - 1))
#define P2NPHASE_TYPED(x, align, type) \
(-(type)(x) & ((type)(align) - 1))
#define ISP2(x) (((x) & ((x) - 1)) == 0)
#define IS_P2ALIGNED(v, a) ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1)) == 0)
/*
* Typed version of the P2* macros. These macros should be used to ensure
* that the result is correctly calculated based on the data type of (x),
* which is passed in as the last argument, regardless of the data
* type of the alignment. For example, if (x) is of type uint64_t,
* and we want to round it up to a page boundary using "PAGESIZE" as
* the alignment, we can do either
* P2ROUNDUP(x, (uint64_t)PAGESIZE)
* or
* P2ROUNDUP_TYPED(x, PAGESIZE, uint64_t)
*/
#define P2ALIGN_TYPED(x, align, type) \
((type)(x) & -(type)(align))
#define P2PHASE_TYPED(x, align, type) \
((type)(x) & ((type)(align) - 1))
#define P2NPHASE_TYPED(x, align, type) \
(-(type)(x) & ((type)(align) - 1))
#define P2ROUNDUP_TYPED(x, align, type) \
(-(-(type)(x) & -(type)(align)))
#define P2END_TYPED(x, align, type) \
(-(~(type)(x) & -(type)(align)))
#define P2PHASEUP_TYPED(x, align, phase, type) \
((type)(phase) - (((type)(phase) - (type)(x)) & -(type)(align)))
#define P2CROSS_TYPED(x, y, align, type) \
(((type)(x) ^ (type)(y)) > (type)(align) - 1)
#define P2SAMEHIGHBIT_TYPED(x, y, type) \
(((type)(x) ^ (type)(y)) < ((type)(x) & (type)(y)))
#if defined(_KERNEL) && !defined(_KMEMUSER) && !defined(offsetof)
/* avoid any possibility of clashing with <stddef.h> version */
#define offsetof(s, m) ((size_t)(&(((s *)0)->m)))
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SPL_SYSMACROS_H */
|
