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 
40 typedef off_t off64_t;
41 
blockdev_size(struct fio_file * f,unsigned long long * bytes)42 static 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 
blockdev_invalidate_cache(struct fio_file * f)55 static inline int blockdev_invalidate_cache(struct fio_file *f)
56 {
57 	return ENOTSUP;
58 }
59 
os_phys_mem(void)60 static 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 
gettid(void)70 static inline int gettid(void)
71 {
72 	return (int)(intptr_t) pthread_self();
73 }
74 
get_fs_free_size(const char * path)75 static 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 
shm_attach_to_open_removed(void)92 static 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