Commit | Line | Data |
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2afd826b JA |
1 | #ifndef FIO_OS_APPLE_H |
2 | #define FIO_OS_APPLE_H | |
3 | ||
cca84643 JA |
4 | #define FIO_OS os_mac |
5 | ||
2afd826b | 6 | #include <errno.h> |
7e8ad197 | 7 | #include <fcntl.h> |
c64646f0 | 8 | #include <sys/disk.h> |
2afd826b | 9 | #include <sys/sysctl.h> |
9b836561 BC |
10 | #include <sys/time.h> |
11 | #include <unistd.h> | |
12 | #include <signal.h> | |
3dee087c | 13 | #include <mach/mach_init.h> |
ff245192 JA |
14 | #include <machine/endian.h> |
15 | #include <libkern/OSByteOrder.h> | |
2afd826b | 16 | |
e2e58886 JA |
17 | #include "../file.h" |
18 | ||
53531370 | 19 | #define FIO_USE_GENERIC_RAND |
93bcfd20 | 20 | #define FIO_USE_GENERIC_INIT_RANDOM_STATE |
e8d588e4 | 21 | #define FIO_HAVE_GETTID |
b42ffd19 | 22 | #define FIO_HAVE_CHARDEV_SIZE |
2afd826b JA |
23 | |
24 | #define OS_MAP_ANON MAP_ANON | |
25 | ||
ff245192 JA |
26 | #if defined(__LITTLE_ENDIAN__) |
27 | #define FIO_LITTLE_ENDIAN | |
28 | #elif defined(__BIG_ENDIAN__) | |
29 | #define FIO_BIG_ENDIAN | |
30 | #else | |
31 | #error "Undefined byte order" | |
32 | #endif | |
33 | ||
34 | #define fio_swap16(x) OSSwapInt16(x) | |
35 | #define fio_swap32(x) OSSwapInt32(x) | |
36 | #define fio_swap64(x) OSSwapInt64(x) | |
37 | ||
fca70358 JA |
38 | /* |
39 | * OSX has a pitifully small shared memory segment by default, | |
40 | * so default to a lower number of max jobs supported | |
41 | */ | |
42 | #define FIO_MAX_JOBS 128 | |
43 | ||
331539ac | 44 | typedef off_t off64_t; |
2afd826b | 45 | |
9b836561 BC |
46 | /* OS X as of 10.6 doesn't have the timer_* functions. |
47 | * Emulate the functionality using setitimer and sigaction here | |
48 | */ | |
49 | ||
50 | #define MAX_TIMERS 64 | |
51 | ||
52 | typedef unsigned int clockid_t; | |
53 | typedef unsigned int timer_t; | |
54 | ||
55 | struct itimerspec { | |
56 | struct timespec it_value; | |
57 | struct timespec it_interval; | |
58 | }; | |
59 | ||
60 | static struct sigevent fio_timers[MAX_TIMERS]; | |
61 | static unsigned int num_timers = 0; | |
62 | ||
9b836561 BC |
63 | static void sig_alrm(int signum) |
64 | { | |
65 | union sigval sv; | |
66 | ||
67 | for (int i = 0; i < num_timers; i++) { | |
68 | if (fio_timers[i].sigev_notify_function == NULL) | |
69 | continue; | |
70 | ||
71 | if (fio_timers[i].sigev_notify == SIGEV_THREAD) | |
72 | fio_timers[i].sigev_notify_function(sv); | |
73 | else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL) | |
74 | kill(getpid(), fio_timers[i].sigev_signo); | |
75 | } | |
76 | } | |
77 | ||
78 | static inline int timer_settime(timer_t timerid, int flags, | |
0c4ce7ce JA |
79 | const struct itimerspec *value, |
80 | struct itimerspec *ovalue) | |
9b836561 BC |
81 | { |
82 | struct sigaction sa; | |
83 | struct itimerval tv; | |
84 | struct itimerval tv_out; | |
85 | int rc; | |
86 | ||
87 | tv.it_interval.tv_sec = value->it_interval.tv_sec; | |
88 | tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000; | |
89 | ||
90 | tv.it_value.tv_sec = value->it_value.tv_sec; | |
91 | tv.it_value.tv_usec = value->it_value.tv_nsec / 1000; | |
92 | ||
93 | sa.sa_handler = sig_alrm; | |
94 | sigemptyset(&sa.sa_mask); | |
95 | sa.sa_flags = 0; | |
96 | ||
97 | rc = sigaction(SIGALRM, &sa, NULL); | |
98 | ||
99 | if (!rc) | |
100 | rc = setitimer(ITIMER_REAL, &tv, &tv_out); | |
101 | ||
102 | if (!rc && ovalue != NULL) { | |
103 | ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec; | |
104 | ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000; | |
105 | ovalue->it_value.tv_sec = tv_out.it_value.tv_sec; | |
106 | ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000; | |
107 | } | |
108 | ||
109 | return rc; | |
110 | } | |
111 | ||
112 | static inline int timer_delete(timer_t timer) | |
113 | { | |
114 | return 0; | |
115 | } | |
116 | ||
7e8ad197 SN |
117 | #define FIO_OS_DIRECTIO |
118 | static inline int fio_set_odirect(int fd) | |
119 | { | |
120 | if (fcntl(fd, F_NOCACHE, 1) == -1) | |
121 | return errno; | |
122 | return 0; | |
123 | } | |
124 | ||
c64646f0 SN |
125 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
126 | { | |
79d73100 JA |
127 | uint32_t block_size; |
128 | uint64_t block_count; | |
129 | ||
130 | if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, &block_count) == -1) | |
c64646f0 | 131 | return errno; |
79d73100 | 132 | if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &block_size) == -1) |
c64646f0 | 133 | return errno; |
79d73100 JA |
134 | |
135 | *bytes = block_size; | |
136 | *bytes *= block_count; | |
137 | return 0; | |
c64646f0 SN |
138 | } |
139 | ||
b42ffd19 JA |
140 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) |
141 | { | |
142 | /* | |
143 | * Could be a raw block device, this is better than just assuming | |
144 | * we can't get the size at all. | |
145 | */ | |
146 | if (!blockdev_size(f, bytes)) | |
147 | return 0; | |
148 | ||
149 | *bytes = -1ULL; | |
150 | return 0; | |
151 | } | |
152 | ||
9b836561 | 153 | static inline int blockdev_invalidate_cache(struct fio_file *f) |
2afd826b JA |
154 | { |
155 | return EINVAL; | |
156 | } | |
157 | ||
158 | static inline unsigned long long os_phys_mem(void) | |
159 | { | |
160 | int mib[2] = { CTL_HW, HW_PHYSMEM }; | |
161 | unsigned long long mem; | |
162 | size_t len = sizeof(mem); | |
163 | ||
164 | sysctl(mib, 2, &mem, &len, NULL, 0); | |
165 | return mem; | |
166 | } | |
e8d588e4 JA |
167 | |
168 | static inline int gettid(void) | |
169 | { | |
170 | return mach_thread_self(); | |
171 | } | |
5351f564 JA |
172 | |
173 | /* | |
174 | * For some reason, there's no header definition for fdatasync(), even | |
175 | * if it exists. | |
176 | */ | |
177 | extern int fdatasync(int fd); | |
178 | ||
2afd826b | 179 | #endif |