[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>
#include <sys/sysctl.h>

/* XXX hack to avoid conflicts between rbtree.h and <sys/tree.h> */
#undef RB_BLACK
#undef RB_RED
#undef RB_ROOT

#include "../file.h"

#define FIO_USE_GENERIC_INIT_RANDOM_STATE
#define FIO_HAVE_FS_STAT
#define FIO_HAVE_GETTID
#define FIO_HAVE_SHM_ATTACH_REMOVED

#define OS_MAP_ANON		MAP_ANON

#ifndef PTHREAD_STACK_MIN
#define PTHREAD_STACK_MIN 4096
#endif

#define fio_swap16(x)	swap16(x)
#define fio_swap32(x)	swap32(x)
#define fio_swap64(x)	swap64(x)

#ifdef CONFIG_PTHREAD_GETAFFINITY
#define FIO_HAVE_GET_THREAD_AFFINITY
#define fio_get_thread_affinity(mask)	\
	pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask))
#endif

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;
}

#ifndef CONFIG_HAVE_GETTID
static inline int gettid(void)
{
	return (int)(intptr_t) pthread_self();
}
#endif

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
3cd4c66f J	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>
1abe3856	8	#include <sys/statvfs.h>
a955f529 TK	9	#include <sys/ioctl.h>
	10	#include <sys/dkio.h>
	11	#include <sys/disklabel.h>
1236d61c	12	#include <sys/endian.h>
3cdc4fb0	13	#include <sys/utsname.h>
3cd4c66f	14	#include <sys/sysctl.h>
3d138b3e TK	15
3d138b3e TK	16	/* XXX hack to avoid conflicts between rbtree.h and <sys/tree.h> */
3cd4c66f J	17	#undef RB_BLACK
	18	#undef RB_RED
	19	#undef RB_ROOT
	20
	21	#include "../file.h"
	22
3cd4c66f	23	#define FIO_USE_GENERIC_INIT_RANDOM_STATE
1abe3856	24	#define FIO_HAVE_FS_STAT
3cd4c66f	25	#define FIO_HAVE_GETTID
0cfe2089	26	#define FIO_HAVE_SHM_ATTACH_REMOVED
3cd4c66f	27
3cd4c66f J	28	#define OS_MAP_ANON MAP_ANON
	29
	30	#ifndef PTHREAD_STACK_MIN
	31	#define PTHREAD_STACK_MIN 4096
	32	#endif
	33
245f88e6 KM	34	#define fio_swap16(x) swap16(x)
	35	#define fio_swap32(x) swap32(x)
	36	#define fio_swap64(x) swap64(x)
3cd4c66f	37
e9d2a04d TK	38	#ifdef CONFIG_PTHREAD_GETAFFINITY
	39	#define FIO_HAVE_GET_THREAD_AFFINITY
	40	#define fio_get_thread_affinity(mask) \
	41	pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask))
	42	#endif
	43
a955f529 TK	44	static inline int blockdev_size(struct fio_file f, unsigned long long bytes)
	45	{
	46	struct disklabel dl;
	47
	48	if (!ioctl(f->fd, DIOCGDINFO, &dl)) {
	49	bytes = ((unsigned long long)dl.d_secperunit) dl.d_secsize;
	50	return 0;
	51	}
	52
	53	*bytes = 0;
	54	return errno;
	55	}
	56
3cd4c66f J	57	static inline int blockdev_invalidate_cache(struct fio_file *f)
3cd4c66f J	58	{
22de5d77	59	return ENOTSUP;
3cd4c66f J	60	}
	61
	62	static inline unsigned long long os_phys_mem(void)
	63	{
	64	int mib[2] = { CTL_HW, HW_PHYSMEM64 };
	65	uint64_t mem;
	66	size_t len = sizeof(mem);
	67
	68	sysctl(mib, 2, &mem, &len, NULL, 0);
	69	return mem;
	70	}
	71
de5ed0e4	72	#ifndef CONFIG_HAVE_GETTID
3cd4c66f J	73	static inline int gettid(void)
3cd4c66f J	74	{
227d026f	75	return (int)(intptr_t) pthread_self();
3cd4c66f	76	}
de5ed0e4	77	#endif
3cd4c66f	78
1abe3856 TK	79	static inline unsigned long long get_fs_free_size(const char *path)
	80	{
	81	unsigned long long ret;
	82	struct statvfs s;
	83
	84	if (statvfs(path, &s) < 0)
	85	return -1ULL;
	86
	87	ret = s.f_frsize;
	88	ret *= (unsigned long long) s.f_bfree;
	89	return ret;
	90	}
	91
3cd4c66f J	92	#ifdef MADV_FREE
	93	#define FIO_MADV_FREE MADV_FREE
	94	#endif
	95
0cfe2089 TK	96	static inline int shm_attach_to_open_removed(void)
0cfe2089 TK	97	{
3cdc4fb0 TK	98	struct utsname uts;
	99	int major, minor;
	100
	101	if (uname(&uts) == -1)
	102	return 0;
	103
0cfe2089	104	/*
3cdc4fb0 TK	105	* Return 1 if >= OpenBSD 5.1 according to 97900ebf,
3cdc4fb0 TK	106	* assuming both major/minor versions are < 10.
0cfe2089	107	*/
3cdc4fb0 TK	108	if (uts.release[0] > '9' \|\| uts.release[0] < '0')
	109	return 0;
	110	if (uts.release[1] != '.')
	111	return 0;
	112	if (uts.release[2] > '9' \|\| uts.release[2] < '0')
	113	return 0;
	114
	115	major = uts.release[0] - '0';
	116	minor = uts.release[2] - '0';
	117
	118	if (major > 5)
	119	return 1;
	120	if (major == 5 && minor >= 1)
	121	return 1;
	122
0cfe2089 TK	123	return 0;
	124	}
	125
3cd4c66f	126	#endif