[fio.git] / os / os-mac.h

#ifndef FIO_OS_APPLE_H
#define FIO_OS_APPLE_H

#define	FIO_OS	os_mac

#include <errno.h>
#include <fcntl.h>
#include <sys/disk.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <unistd.h>
#include <signal.h>
#include <mach/mach_init.h>
#include <machine/endian.h>
#include <libkern/OSByteOrder.h>

#include "../file.h"

#define FIO_USE_GENERIC_RAND
#define FIO_USE_GENERIC_INIT_RANDOM_STATE
#define FIO_HAVE_GETTID
#define FIO_HAVE_CHARDEV_SIZE

#define OS_MAP_ANON		MAP_ANON

#define fio_swap16(x)	OSSwapInt16(x)
#define fio_swap32(x)	OSSwapInt32(x)
#define fio_swap64(x)	OSSwapInt64(x)

/*
 * OSX has a pitifully small shared memory segment by default,
 * so default to a lower number of max jobs supported
 */
#define FIO_MAX_JOBS		128

typedef off_t off64_t;

typedef unsigned int clockid_t;

#define FIO_OS_DIRECTIO
static inline int fio_set_odirect(int fd)
{
	if (fcntl(fd, F_NOCACHE, 1) == -1)
		return errno;
	return 0;
}

static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
{
	uint32_t block_size;
	uint64_t block_count;

	if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, &block_count) == -1)
		return errno;
	if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &block_size) == -1)
		return errno;

	*bytes = block_size;
	*bytes *= block_count;
	return 0;
}

static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
{
	/*
	 * Could be a raw block device, this is better than just assuming
	 * we can't get the size at all.
	 */
	if (!blockdev_size(f, bytes))
		return 0;

	*bytes = -1ULL;
	return 0;
}

static inline int blockdev_invalidate_cache(struct fio_file *f)
{
	return EINVAL;
}

static inline unsigned long long os_phys_mem(void)
{
	int mib[2] = { CTL_HW, HW_PHYSMEM };
	unsigned long long mem;
	size_t len = sizeof(mem);

	sysctl(mib, 2, &mem, &len, NULL, 0);
	return mem;
}

static inline int gettid(void)
{
	return mach_thread_self();
}

/*
 * For some reason, there's no header definition for fdatasync(), even
 * if it exists.
 */
extern int fdatasync(int fd);

#endif
Commit	Line	Data
	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