| 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 | typedef unsigned int clockid_t; |
| 39 | |
| 40 | #define FIO_OS_DIRECTIO |
| 41 | static inline int fio_set_odirect(int fd) |
| 42 | { |
| 43 | if (fcntl(fd, F_NOCACHE, 1) == -1) |
| 44 | return errno; |
| 45 | return 0; |
| 46 | } |
| 47 | |
| 48 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
| 49 | { |
| 50 | uint32_t block_size; |
| 51 | uint64_t block_count; |
| 52 | |
| 53 | if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, &block_count) == -1) |
| 54 | return errno; |
| 55 | if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &block_size) == -1) |
| 56 | return errno; |
| 57 | |
| 58 | *bytes = block_size; |
| 59 | *bytes *= block_count; |
| 60 | return 0; |
| 61 | } |
| 62 | |
| 63 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) |
| 64 | { |
| 65 | /* |
| 66 | * Could be a raw block device, this is better than just assuming |
| 67 | * we can't get the size at all. |
| 68 | */ |
| 69 | if (!blockdev_size(f, bytes)) |
| 70 | return 0; |
| 71 | |
| 72 | *bytes = -1ULL; |
| 73 | return 0; |
| 74 | } |
| 75 | |
| 76 | static inline int blockdev_invalidate_cache(struct fio_file *f) |
| 77 | { |
| 78 | return EINVAL; |
| 79 | } |
| 80 | |
| 81 | static inline unsigned long long os_phys_mem(void) |
| 82 | { |
| 83 | int mib[2] = { CTL_HW, HW_PHYSMEM }; |
| 84 | unsigned long long mem; |
| 85 | size_t len = sizeof(mem); |
| 86 | |
| 87 | sysctl(mib, 2, &mem, &len, NULL, 0); |
| 88 | return mem; |
| 89 | } |
| 90 | |
| 91 | static inline int gettid(void) |
| 92 | { |
| 93 | return mach_thread_self(); |
| 94 | } |
| 95 | |
| 96 | /* |
| 97 | * For some reason, there's no header definition for fdatasync(), even |
| 98 | * if it exists. |
| 99 | */ |
| 100 | extern int fdatasync(int fd); |
| 101 | |
| 102 | #endif |