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