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 | ||
2afd826b JA |
19 | #ifndef CLOCK_MONOTONIC |
20 | #define CLOCK_MONOTONIC 1 | |
21 | #endif | |
22 | ||
23 | #ifndef CLOCK_REALTIME | |
24 | #define CLOCK_REALTIME 1 | |
25 | #endif | |
26 | ||
27 | #define FIO_HAVE_POSIXAIO | |
ecc314ba | 28 | #define FIO_HAVE_CLOCK_MONOTONIC |
53531370 | 29 | #define FIO_USE_GENERIC_RAND |
e8d588e4 | 30 | #define FIO_HAVE_GETTID |
b42ffd19 | 31 | #define FIO_HAVE_CHARDEV_SIZE |
2afd826b JA |
32 | |
33 | #define OS_MAP_ANON MAP_ANON | |
34 | ||
ff245192 JA |
35 | #if defined(__LITTLE_ENDIAN__) |
36 | #define FIO_LITTLE_ENDIAN | |
37 | #elif defined(__BIG_ENDIAN__) | |
38 | #define FIO_BIG_ENDIAN | |
39 | #else | |
40 | #error "Undefined byte order" | |
41 | #endif | |
42 | ||
43 | #define fio_swap16(x) OSSwapInt16(x) | |
44 | #define fio_swap32(x) OSSwapInt32(x) | |
45 | #define fio_swap64(x) OSSwapInt64(x) | |
46 | ||
fca70358 JA |
47 | /* |
48 | * OSX has a pitifully small shared memory segment by default, | |
49 | * so default to a lower number of max jobs supported | |
50 | */ | |
51 | #define FIO_MAX_JOBS 128 | |
52 | ||
331539ac | 53 | typedef off_t off64_t; |
2afd826b | 54 | |
9b836561 BC |
55 | /* OS X as of 10.6 doesn't have the timer_* functions. |
56 | * Emulate the functionality using setitimer and sigaction here | |
57 | */ | |
58 | ||
59 | #define MAX_TIMERS 64 | |
60 | ||
61 | typedef unsigned int clockid_t; | |
62 | typedef unsigned int timer_t; | |
63 | ||
64 | struct itimerspec { | |
65 | struct timespec it_value; | |
66 | struct timespec it_interval; | |
67 | }; | |
68 | ||
69 | static struct sigevent fio_timers[MAX_TIMERS]; | |
70 | static unsigned int num_timers = 0; | |
71 | ||
9b836561 BC |
72 | static void sig_alrm(int signum) |
73 | { | |
74 | union sigval sv; | |
75 | ||
76 | for (int i = 0; i < num_timers; i++) { | |
77 | if (fio_timers[i].sigev_notify_function == NULL) | |
78 | continue; | |
79 | ||
80 | if (fio_timers[i].sigev_notify == SIGEV_THREAD) | |
81 | fio_timers[i].sigev_notify_function(sv); | |
82 | else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL) | |
83 | kill(getpid(), fio_timers[i].sigev_signo); | |
84 | } | |
85 | } | |
86 | ||
87 | static inline int timer_settime(timer_t timerid, int flags, | |
0c4ce7ce JA |
88 | const struct itimerspec *value, |
89 | struct itimerspec *ovalue) | |
9b836561 BC |
90 | { |
91 | struct sigaction sa; | |
92 | struct itimerval tv; | |
93 | struct itimerval tv_out; | |
94 | int rc; | |
95 | ||
96 | tv.it_interval.tv_sec = value->it_interval.tv_sec; | |
97 | tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000; | |
98 | ||
99 | tv.it_value.tv_sec = value->it_value.tv_sec; | |
100 | tv.it_value.tv_usec = value->it_value.tv_nsec / 1000; | |
101 | ||
102 | sa.sa_handler = sig_alrm; | |
103 | sigemptyset(&sa.sa_mask); | |
104 | sa.sa_flags = 0; | |
105 | ||
106 | rc = sigaction(SIGALRM, &sa, NULL); | |
107 | ||
108 | if (!rc) | |
109 | rc = setitimer(ITIMER_REAL, &tv, &tv_out); | |
110 | ||
111 | if (!rc && ovalue != NULL) { | |
112 | ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec; | |
113 | ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000; | |
114 | ovalue->it_value.tv_sec = tv_out.it_value.tv_sec; | |
115 | ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000; | |
116 | } | |
117 | ||
118 | return rc; | |
119 | } | |
120 | ||
121 | static inline int timer_delete(timer_t timer) | |
122 | { | |
123 | return 0; | |
124 | } | |
125 | ||
7e8ad197 SN |
126 | #define FIO_OS_DIRECTIO |
127 | static inline int fio_set_odirect(int fd) | |
128 | { | |
129 | if (fcntl(fd, F_NOCACHE, 1) == -1) | |
130 | return errno; | |
131 | return 0; | |
132 | } | |
133 | ||
c64646f0 SN |
134 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
135 | { | |
79d73100 JA |
136 | uint32_t block_size; |
137 | uint64_t block_count; | |
138 | ||
139 | if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, &block_count) == -1) | |
c64646f0 | 140 | return errno; |
79d73100 | 141 | if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &block_size) == -1) |
c64646f0 | 142 | return errno; |
79d73100 JA |
143 | |
144 | *bytes = block_size; | |
145 | *bytes *= block_count; | |
146 | return 0; | |
c64646f0 SN |
147 | } |
148 | ||
b42ffd19 JA |
149 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) |
150 | { | |
151 | /* | |
152 | * Could be a raw block device, this is better than just assuming | |
153 | * we can't get the size at all. | |
154 | */ | |
155 | if (!blockdev_size(f, bytes)) | |
156 | return 0; | |
157 | ||
158 | *bytes = -1ULL; | |
159 | return 0; | |
160 | } | |
161 | ||
9b836561 | 162 | static inline int blockdev_invalidate_cache(struct fio_file *f) |
2afd826b JA |
163 | { |
164 | return EINVAL; | |
165 | } | |
166 | ||
167 | static inline unsigned long long os_phys_mem(void) | |
168 | { | |
169 | int mib[2] = { CTL_HW, HW_PHYSMEM }; | |
170 | unsigned long long mem; | |
171 | size_t len = sizeof(mem); | |
172 | ||
173 | sysctl(mib, 2, &mem, &len, NULL, 0); | |
174 | return mem; | |
175 | } | |
e8d588e4 JA |
176 | |
177 | static inline int gettid(void) | |
178 | { | |
179 | return mach_thread_self(); | |
180 | } | |
2afd826b | 181 | #endif |