| 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 | #define FIO_HAVE_NATIVE_FALLOCATE |
| 24 | |
| 25 | #define OS_MAP_ANON MAP_ANON |
| 26 | |
| 27 | #define fio_swap16(x) OSSwapInt16(x) |
| 28 | #define fio_swap32(x) OSSwapInt32(x) |
| 29 | #define fio_swap64(x) OSSwapInt64(x) |
| 30 | |
| 31 | /* |
| 32 | * OSX has a pitifully small shared memory segment by default, |
| 33 | * so default to a lower number of max jobs supported |
| 34 | */ |
| 35 | #define FIO_MAX_JOBS 128 |
| 36 | |
| 37 | typedef off_t off64_t; |
| 38 | |
| 39 | #ifndef CONFIG_CLOCKID_T |
| 40 | typedef unsigned int clockid_t; |
| 41 | #endif |
| 42 | |
| 43 | #define FIO_OS_DIRECTIO |
| 44 | static inline int fio_set_odirect(struct fio_file *f) |
| 45 | { |
| 46 | if (fcntl(f->fd, F_NOCACHE, 1) == -1) |
| 47 | return errno; |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
| 52 | { |
| 53 | uint32_t block_size; |
| 54 | uint64_t block_count; |
| 55 | |
| 56 | if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, &block_count) == -1) |
| 57 | return errno; |
| 58 | if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &block_size) == -1) |
| 59 | return errno; |
| 60 | |
| 61 | *bytes = block_size; |
| 62 | *bytes *= block_count; |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) |
| 67 | { |
| 68 | /* |
| 69 | * Could be a raw block device, this is better than just assuming |
| 70 | * we can't get the size at all. |
| 71 | */ |
| 72 | if (!blockdev_size(f, bytes)) |
| 73 | return 0; |
| 74 | |
| 75 | *bytes = -1ULL; |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | static inline int blockdev_invalidate_cache(struct fio_file *f) |
| 80 | { |
| 81 | return ENOTSUP; |
| 82 | } |
| 83 | |
| 84 | static inline unsigned long long os_phys_mem(void) |
| 85 | { |
| 86 | int mib[2] = { CTL_HW, HW_PHYSMEM }; |
| 87 | unsigned long long mem; |
| 88 | size_t len = sizeof(mem); |
| 89 | |
| 90 | sysctl(mib, 2, &mem, &len, NULL, 0); |
| 91 | return mem; |
| 92 | } |
| 93 | |
| 94 | static inline int gettid(void) |
| 95 | { |
| 96 | return mach_thread_self(); |
| 97 | } |
| 98 | |
| 99 | /* |
| 100 | * For some reason, there's no header definition for fdatasync(), even |
| 101 | * if it exists. |
| 102 | */ |
| 103 | extern int fdatasync(int fd); |
| 104 | |
| 105 | static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len) |
| 106 | { |
| 107 | fstore_t store = {F_ALLOCATEALL, F_PEOFPOSMODE, offset, len}; |
| 108 | if (fcntl(f->fd, F_PREALLOCATE, &store) != -1) { |
| 109 | if (ftruncate(f->fd, len) == 0) |
| 110 | return true; |
| 111 | } |
| 112 | |
| 113 | return false; |
| 114 | } |
| 115 | |
| 116 | #endif |