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