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ebac4655 JA |
1 | #ifndef FIO_OS_H |
2 | #define FIO_OS_H | |
3 | ||
a14ca44a JA |
4 | #include <sys/types.h> |
5 | #include <unistd.h> | |
6 | ||
ebac4655 JA |
7 | #if defined(__linux__) |
8 | #include "os-linux.h" | |
9 | #elif defined(__FreeBSD__) | |
10 | #include "os-freebsd.h" | |
2c0ecd28 JA |
11 | #elif defined(__sun__) |
12 | #include "os-solaris.h" | |
2afd826b JA |
13 | #elif defined(__APPLE__) |
14 | #include "os-mac.h" | |
ebac4655 JA |
15 | #else |
16 | #error "unsupported os" | |
17 | #endif | |
18 | ||
19 | #ifdef FIO_HAVE_LIBAIO | |
20 | #include <libaio.h> | |
21 | #endif | |
22 | ||
23 | #ifdef FIO_HAVE_POSIXAIO | |
24 | #include <aio.h> | |
25 | #endif | |
26 | ||
27 | #ifdef FIO_HAVE_SGIO | |
28 | #include <linux/fs.h> | |
29 | #include <scsi/sg.h> | |
30 | #endif | |
31 | ||
5921e80c | 32 | #ifndef FIO_HAVE_STRSEP |
00fb3c8d | 33 | #include "../lib/strsep.h" |
5921e80c JA |
34 | #endif |
35 | ||
ebac4655 JA |
36 | #ifndef FIO_HAVE_FADVISE |
37 | #define fadvise(fd, off, len, advice) (0) | |
38 | ||
4d8947de | 39 | #ifndef POSIX_FADV_DONTNEED |
ebac4655 JA |
40 | #define POSIX_FADV_DONTNEED (0) |
41 | #define POSIX_FADV_SEQUENTIAL (0) | |
42 | #define POSIX_FADV_RANDOM (0) | |
4d8947de | 43 | #endif |
ebac4655 JA |
44 | #endif /* FIO_HAVE_FADVISE */ |
45 | ||
46 | #ifndef FIO_HAVE_CPU_AFFINITY | |
e8462bd8 | 47 | #define fio_setaffinity(pid, mask) (0) |
be4ecfdf JA |
48 | #define fio_getaffinity(pid, mask) do { } while (0) |
49 | #define fio_cpu_clear(mask, cpu) do { } while (0) | |
85daf2c1 | 50 | #define fio_cpuset_exit(mask) (-1) |
ebac4655 JA |
51 | #endif |
52 | ||
53 | #ifndef FIO_HAVE_IOPRIO | |
54 | #define ioprio_set(which, who, prio) (0) | |
55 | #endif | |
56 | ||
2c0ecd28 | 57 | #ifndef FIO_HAVE_ODIRECT |
7d424763 JA |
58 | #define OS_O_DIRECT 0 |
59 | #else | |
60 | #define OS_O_DIRECT O_DIRECT | |
2c0ecd28 JA |
61 | #endif |
62 | ||
74b025b0 JA |
63 | #ifndef FIO_HAVE_HUGETLB |
64 | #define SHM_HUGETLB 0 | |
4d8947de | 65 | #ifndef FIO_HUGE_PAGE |
74b025b0 | 66 | #define FIO_HUGE_PAGE 0 |
4d8947de | 67 | #endif |
74b025b0 | 68 | #else |
cb25df61 | 69 | #ifndef FIO_HUGE_PAGE |
ee0e0a71 | 70 | #define FIO_HUGE_PAGE 4194304 |
74b025b0 | 71 | #endif |
cb25df61 | 72 | #endif |
74b025b0 | 73 | |
5921e80c JA |
74 | #ifndef FIO_O_NOATIME |
75 | #define FIO_O_NOATIME 0 | |
76 | #endif | |
77 | ||
dc873b6f JA |
78 | #ifndef OS_RAND_MAX |
79 | #define OS_RAND_MAX RAND_MAX | |
80 | #endif | |
81 | ||
07e5b264 | 82 | #ifndef FIO_HAVE_RAWBIND |
8cc7afa9 | 83 | #define fio_lookup_raw(dev, majdev, mindev) 1 |
07e5b264 JA |
84 | #endif |
85 | ||
5e62c22a JA |
86 | #ifndef FIO_HAVE_BLKTRACE |
87 | static inline int is_blktrace(const char *fname) | |
88 | { | |
89 | return 0; | |
90 | } | |
5921e80c | 91 | struct thread_data; |
5e62c22a JA |
92 | static inline int load_blktrace(struct thread_data *td, const char *fname) |
93 | { | |
94 | return 1; | |
95 | } | |
96 | #endif | |
97 | ||
eb7ccf38 JA |
98 | #define FIO_DEF_CL_SIZE 128 |
99 | ||
100 | static inline int os_cache_line_size(void) | |
101 | { | |
102 | #ifdef FIO_HAVE_CL_SIZE | |
103 | int ret = arch_cache_line_size(); | |
104 | ||
105 | if (ret <= 0) | |
106 | return FIO_DEF_CL_SIZE; | |
107 | ||
108 | return ret; | |
109 | #else | |
110 | return FIO_DEF_CL_SIZE; | |
111 | #endif | |
112 | } | |
113 | ||
792d5517 JA |
114 | #ifdef FIO_USE_GENERIC_BDEV_SIZE |
115 | static inline int blockdev_size(int fd, unsigned long long *bytes) | |
116 | { | |
3b2e1464 | 117 | off_t end; |
792d5517 | 118 | |
3b2e1464 JA |
119 | *bytes = 0; |
120 | ||
121 | end = lseek(fd, 0, SEEK_END); | |
792d5517 JA |
122 | if (end < 0) |
123 | return errno; | |
124 | ||
125 | *bytes = end; | |
126 | return 0; | |
127 | } | |
128 | #endif | |
129 | ||
53531370 JA |
130 | #ifdef FIO_USE_GENERIC_RAND |
131 | typedef unsigned int os_random_state_t; | |
132 | ||
133 | static inline void os_random_seed(unsigned long seed, os_random_state_t *rs) | |
134 | { | |
135 | srand(seed); | |
136 | } | |
137 | ||
138 | static inline long os_random_long(os_random_state_t *rs) | |
139 | { | |
140 | long val; | |
141 | ||
142 | val = rand_r(rs); | |
143 | return val; | |
144 | } | |
145 | #endif | |
146 | ||
ebac4655 | 147 | #endif |