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

#ifndef FIO_OS_OPENBSD_H
#define FIO_OS_OPENBSD_H

#define	FIO_OS	os_openbsd

#include <errno.h>
#include <sys/param.h>
#include <sys/statvfs.h>
#include <sys/ioctl.h>
#include <sys/dkio.h>
#include <sys/disklabel.h>
#include <sys/endian.h>
#include <sys/utsname.h>
/* XXX hack to avoid conflicts between rbtree.h and <sys/tree.h> */
#include <sys/sysctl.h>
#undef RB_BLACK
#undef RB_RED
#undef RB_ROOT

#include "../file.h"

#undef  FIO_HAVE_ODIRECT
#define FIO_USE_GENERIC_RAND
#define FIO_USE_GENERIC_INIT_RANDOM_STATE
#define FIO_HAVE_FS_STAT
#define FIO_HAVE_GETTID
#define FIO_HAVE_SHM_ATTACH_REMOVED

#undef	FIO_HAVE_CPU_AFFINITY	/* doesn't exist */

#define OS_MAP_ANON		MAP_ANON

#ifndef PTHREAD_STACK_MIN
#define PTHREAD_STACK_MIN 4096
#endif

#define fio_swap16(x)	bswap16(x)
#define fio_swap32(x)	bswap32(x)
#define fio_swap64(x)	bswap64(x)

typedef off_t off64_t;

static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
{
	struct disklabel dl;

	if (!ioctl(f->fd, DIOCGDINFO, &dl)) {
		*bytes = ((unsigned long long)dl.d_secperunit) * dl.d_secsize;
		return 0;
	}

	*bytes = 0;
	return errno;
}

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

static inline unsigned long long os_phys_mem(void)
{
	int mib[2] = { CTL_HW, HW_PHYSMEM64 };
	uint64_t mem;
	size_t len = sizeof(mem);

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

static inline int gettid(void)
{
	return (int)(intptr_t) pthread_self();
}

static inline unsigned long long get_fs_free_size(const char *path)
{
	unsigned long long ret;
	struct statvfs s;

	if (statvfs(path, &s) < 0)
		return -1ULL;

	ret = s.f_frsize;
	ret *= (unsigned long long) s.f_bfree;
	return ret;
}

#ifdef MADV_FREE
#define FIO_MADV_FREE	MADV_FREE
#endif

static inline int shm_attach_to_open_removed(void)
{
	struct utsname uts;
	int major, minor;

	if (uname(&uts) == -1)
		return 0;

	/*
	 * Return 1 if >= OpenBSD 5.1 according to 97900ebf,
	 * assuming both major/minor versions are < 10.
	 */
	if (uts.release[0] > '9' || uts.release[0] < '0')
		return 0;
	if (uts.release[1] != '.')
		return 0;
	if (uts.release[2] > '9' || uts.release[2] < '0')
		return 0;

	major = uts.release[0] - '0';
	minor = uts.release[2] - '0';

	if (major > 5)
		return 1;
	if (major == 5 && minor >= 1)
		return 1;

	return 0;
}

#endif
Commit	Line	Data
	1	#ifndef FIO_OS_OPENBSD_H
	2	#define FIO_OS_OPENBSD_H
	3
	4	#define FIO_OS os_openbsd
	5
	6	#include <errno.h>
	7	#include <sys/param.h>
	8	#include <sys/statvfs.h>
	9	#include <sys/ioctl.h>
	10	#include <sys/dkio.h>
	11	#include <sys/disklabel.h>
	12	#include <sys/endian.h>
	13	#include <sys/utsname.h>
	14	/* XXX hack to avoid conflicts between rbtree.h and <sys/tree.h> */
	15	#include <sys/sysctl.h>
	16	#undef RB_BLACK
	17	#undef RB_RED
	18	#undef RB_ROOT
	19
	20	#include "../file.h"
	21
	22	#undef FIO_HAVE_ODIRECT
	23	#define FIO_USE_GENERIC_RAND
	24	#define FIO_USE_GENERIC_INIT_RANDOM_STATE
	25	#define FIO_HAVE_FS_STAT
	26	#define FIO_HAVE_GETTID
	27	#define FIO_HAVE_SHM_ATTACH_REMOVED
	28
	29	#undef FIO_HAVE_CPU_AFFINITY /* doesn't exist */
	30
	31	#define OS_MAP_ANON MAP_ANON
	32
	33	#ifndef PTHREAD_STACK_MIN
	34	#define PTHREAD_STACK_MIN 4096
	35	#endif
	36
	37	#define fio_swap16(x) bswap16(x)
	38	#define fio_swap32(x) bswap32(x)
	39	#define fio_swap64(x) bswap64(x)
	40
	41	typedef off_t off64_t;
	42
	43	static inline int blockdev_size(struct fio_file f, unsigned long long bytes)
	44	{
	45	struct disklabel dl;
	46
	47	if (!ioctl(f->fd, DIOCGDINFO, &dl)) {
	48	bytes = ((unsigned long long)dl.d_secperunit) dl.d_secsize;
	49	return 0;
	50	}
	51
	52	*bytes = 0;
	53	return errno;
	54	}
	55
	56	static inline int blockdev_invalidate_cache(struct fio_file *f)
	57	{
	58	return ENOTSUP;
	59	}
	60
	61	static inline unsigned long long os_phys_mem(void)
	62	{
	63	int mib[2] = { CTL_HW, HW_PHYSMEM64 };
	64	uint64_t mem;
	65	size_t len = sizeof(mem);
	66
	67	sysctl(mib, 2, &mem, &len, NULL, 0);
	68	return mem;
	69	}
	70
	71	static inline int gettid(void)
	72	{
	73	return (int)(intptr_t) pthread_self();
	74	}
	75
	76	static inline unsigned long long get_fs_free_size(const char *path)
	77	{
	78	unsigned long long ret;
	79	struct statvfs s;
	80
	81	if (statvfs(path, &s) < 0)
	82	return -1ULL;
	83
	84	ret = s.f_frsize;
	85	ret *= (unsigned long long) s.f_bfree;
	86	return ret;
	87	}
	88
	89	#ifdef MADV_FREE
	90	#define FIO_MADV_FREE MADV_FREE
	91	#endif
	92
	93	static inline int shm_attach_to_open_removed(void)
	94	{
	95	struct utsname uts;
	96	int major, minor;
	97
	98	if (uname(&uts) == -1)
	99	return 0;
	100
	101	/*
	102	* Return 1 if >= OpenBSD 5.1 according to 97900ebf,
	103	* assuming both major/minor versions are < 10.
	104	*/
	105	if (uts.release[0] > '9' \|\| uts.release[0] < '0')
	106	return 0;
	107	if (uts.release[1] != '.')
	108	return 0;
	109	if (uts.release[2] > '9' \|\| uts.release[2] < '0')
	110	return 0;
	111
	112	major = uts.release[0] - '0';
	113	minor = uts.release[2] - '0';
	114
	115	if (major > 5)
	116	return 1;
	117	if (major == 5 && minor >= 1)
	118	return 1;
	119
	120	return 0;
	121	}
	122
	123	#endif