1 #ifndef FIO_OS_APPLE_H
2 #define FIO_OS_APPLE_H
3
4 #define FIO_OS os_mac
5
6 #include <errno.h>
7 #include <fcntl.h>
8 #include <sys/disk.h>
9 #include <sys/sysctl.h>
10 #include <sys/time.h>
11 #include <unistd.h>
12 #include <signal.h>
13 #include <mach/mach_init.h>
14 #include <machine/endian.h>
15 #include <libkern/OSByteOrder.h>
16
17 #include "../file.h"
18
19 #define FIO_USE_GENERIC_RAND
20 #define FIO_USE_GENERIC_INIT_RANDOM_STATE
21 #define FIO_HAVE_GETTID
22 #define FIO_HAVE_CHARDEV_SIZE
23
24 #define OS_MAP_ANON MAP_ANON
25
26 #define fio_swap16(x) OSSwapInt16(x)
27 #define fio_swap32(x) OSSwapInt32(x)
28 #define fio_swap64(x) OSSwapInt64(x)
29
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
36 typedef off_t off64_t;
37
38 #ifndef CONFIG_CLOCKID_T
39 typedef unsigned int clockid_t;
40 #endif
41
42 #define FIO_OS_DIRECTIO
fio_set_odirect(int fd)43 static inline int fio_set_odirect(int fd)
44 {
45 if (fcntl(fd, F_NOCACHE, 1) == -1)
46 return errno;
47 return 0;
48 }
49
blockdev_size(struct fio_file * f,unsigned long long * bytes)50 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
51 {
52 uint32_t block_size;
53 uint64_t block_count;
54
55 if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, &block_count) == -1)
56 return errno;
57 if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &block_size) == -1)
58 return errno;
59
60 *bytes = block_size;
61 *bytes *= block_count;
62 return 0;
63 }
64
chardev_size(struct fio_file * f,unsigned long long * bytes)65 static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
66 {
67 /*
68 * Could be a raw block device, this is better than just assuming
69 * we can't get the size at all.
70 */
71 if (!blockdev_size(f, bytes))
72 return 0;
73
74 *bytes = -1ULL;
75 return 0;
76 }
77
blockdev_invalidate_cache(struct fio_file * f)78 static inline int blockdev_invalidate_cache(struct fio_file *f)
79 {
80 return ENOTSUP;
81 }
82
os_phys_mem(void)83 static inline unsigned long long os_phys_mem(void)
84 {
85 int mib[2] = { CTL_HW, HW_PHYSMEM };
86 unsigned long long mem;
87 size_t len = sizeof(mem);
88
89 sysctl(mib, 2, &mem, &len, NULL, 0);
90 return mem;
91 }
92
gettid(void)93 static inline int gettid(void)
94 {
95 return mach_thread_self();
96 }
97
98 /*
99 * For some reason, there's no header definition for fdatasync(), even
100 * if it exists.
101 */
102 extern int fdatasync(int fd);
103
104 #endif
105