[fio.git] / os / os.h

#ifndef FIO_OS_H
#define FIO_OS_H

#include <sys/types.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <pthread.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>

#include "../arch/arch.h" /* IWYU pragma: export */
#include "../lib/types.h"

enum {
	os_linux = 1,
	os_aix,
	os_freebsd,
	os_hpux,
	os_mac,
	os_netbsd,
	os_openbsd,
	os_solaris,
	os_windows,
	os_android,
	os_dragonfly,

	os_nr,
};

typedef enum {
        CPU_ARM64_CRC32C,
} cpu_features;

/* IWYU pragma: begin_exports */
#if defined(__ANDROID__)
#include "os-android.h"
#elif defined(__linux__)
#include "os-linux.h"
#elif defined(__FreeBSD__)
#include "os-freebsd.h"
#elif defined(__OpenBSD__)
#include "os-openbsd.h"
#elif defined(__NetBSD__)
#include "os-netbsd.h"
#elif defined(__sun__)
#include "os-solaris.h"
#elif defined(__APPLE__)
#include "os-mac.h"
#elif defined(_AIX)
#include "os-aix.h"
#elif defined(__hpux)
#include "os-hpux.h"
#elif defined(WIN32)
#include "os-windows.h"
#elif defined (__DragonFly__)
#include "os-dragonfly.h"
#else
#error "unsupported os"
#endif

#ifndef EDQUOT
#define EDQUOT	EIO
#endif

#ifdef CONFIG_POSIXAIO
#include <aio.h>
#ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
typedef struct aiocb os_aiocb_t;
#endif
#endif

#ifndef CONFIG_STRSEP
#include "../oslib/strsep.h"
#endif

#ifndef CONFIG_STRLCAT
#include "../oslib/strlcat.h"
#endif
/* IWYU pragma: end_exports */

#ifdef MSG_DONTWAIT
#define OS_MSG_DONTWAIT	MSG_DONTWAIT
#endif

#ifndef POSIX_FADV_DONTNEED
#define POSIX_FADV_DONTNEED	(0)
#define POSIX_FADV_SEQUENTIAL	(0)
#define POSIX_FADV_RANDOM	(0)
#define POSIX_FADV_NORMAL	(0)
#endif

#ifndef FIO_HAVE_CPU_AFFINITY
#define fio_cpu_clear(mask, cpu)	do { } while (0)
typedef unsigned long os_cpu_mask_t;

static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
{
	return 0;
}

static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask)
{
	return -1;
}

static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
{
	return -1;
}

static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
{
	return 0;
}
#else
extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
#endif

#ifndef FIO_HAVE_IOPRIO_CLASS
#define ioprio_value_is_class_rt(prio)	(false)
#endif
#ifndef FIO_HAVE_IOPRIO
#define ioprio_value(prioclass, prio)	(0)
#define ioprio_set(which, who, prioclass, prio)	(0)
#endif

#ifndef FIO_HAVE_ODIRECT
#define OS_O_DIRECT			0
#else
#define OS_O_DIRECT			O_DIRECT
#endif

#ifdef OS_O_ATOMIC
#define FIO_O_ATOMIC			OS_O_ATOMIC
#else
#define FIO_O_ATOMIC			0
#endif

#ifndef FIO_HAVE_HUGETLB
#define SHM_HUGETLB			0
#define MAP_HUGETLB			0
#ifndef FIO_HUGE_PAGE
#define FIO_HUGE_PAGE			0
#endif
#else
#ifndef FIO_HUGE_PAGE
#define FIO_HUGE_PAGE			4194304
#endif
#endif

#ifndef FIO_HAVE_MMAP_HUGE
#define MAP_HUGETLB			0
#endif

#ifndef FIO_O_NOATIME
#define FIO_O_NOATIME			0
#endif

#ifndef OS_RAND_MAX
#define OS_RAND_MAX			RAND_MAX
#endif

#ifndef FIO_PREFERRED_ENGINE
#define FIO_PREFERRED_ENGINE	"psync"
#endif

#ifndef FIO_OS_PATH_SEPARATOR
#define FIO_OS_PATH_SEPARATOR	'/'
#endif

#ifndef FIO_PREFERRED_CLOCK_SOURCE
#ifdef CONFIG_CLOCK_GETTIME
#define FIO_PREFERRED_CLOCK_SOURCE	CS_CGETTIME
#else
#define FIO_PREFERRED_CLOCK_SOURCE	CS_GTOD
#endif
#endif

#ifndef CONFIG_SOCKLEN_T
typedef unsigned int socklen_t;
#endif

#ifndef FIO_OS_HAS_CTIME_R
#define os_ctime_r(x, y, z)     (void) ctime_r((x), (y))
#endif

#ifdef FIO_USE_GENERIC_SWAP
static inline uint16_t fio_swap16(uint16_t val)
{
	return (val << 8) | (val >> 8);
}

static inline uint32_t fio_swap32(uint32_t val)
{
	val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);

	return (val >> 16) | (val << 16);
}

static inline uint64_t fio_swap64(uint64_t val)
{
	val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
	      ((val & 0x00ff00ff00ff00ffULL) << 8);
	val = ((val & 0xffff0000ffff0000ULL) >> 16) |
	      ((val & 0x0000ffff0000ffffULL) << 16);

	return (val >> 32) | (val << 32);
}
#endif

#ifndef FIO_HAVE_BYTEORDER_FUNCS
#ifdef CONFIG_LITTLE_ENDIAN
#define __be16_to_cpu(x)		fio_swap16(x)
#define __be32_to_cpu(x)		fio_swap32(x)
#define __be64_to_cpu(x)		fio_swap64(x)
#define __le16_to_cpu(x)		(x)
#define __le32_to_cpu(x)		(x)
#define __le64_to_cpu(x)		(x)
#define __cpu_to_be16(x)		fio_swap16(x)
#define __cpu_to_be32(x)		fio_swap32(x)
#define __cpu_to_be64(x)		fio_swap64(x)
#define __cpu_to_le16(x)		(x)
#define __cpu_to_le32(x)		(x)
#define __cpu_to_le64(x)		(x)
#else
#define __be16_to_cpu(x)		(x)
#define __be32_to_cpu(x)		(x)
#define __be64_to_cpu(x)		(x)
#define __le16_to_cpu(x)		fio_swap16(x)
#define __le32_to_cpu(x)		fio_swap32(x)
#define __le64_to_cpu(x)		fio_swap64(x)
#define __cpu_to_be16(x)		(x)
#define __cpu_to_be32(x)		(x)
#define __cpu_to_be64(x)		(x)
#define __cpu_to_le16(x)		fio_swap16(x)
#define __cpu_to_le32(x)		fio_swap32(x)
#define __cpu_to_le64(x)		fio_swap64(x)
#endif
#endif /* FIO_HAVE_BYTEORDER_FUNCS */

#ifdef FIO_INTERNAL
#define be16_to_cpu(val) ({			\
	typecheck(uint16_t, val);		\
	__be16_to_cpu(val);			\
})
#define be32_to_cpu(val) ({			\
	typecheck(uint32_t, val);		\
	__be32_to_cpu(val);			\
})
#define be64_to_cpu(val) ({			\
	typecheck(uint64_t, val);		\
	__be64_to_cpu(val);			\
})
#define le16_to_cpu(val) ({			\
	typecheck(uint16_t, val);		\
	__le16_to_cpu(val);			\
})
#define le32_to_cpu(val) ({			\
	typecheck(uint32_t, val);		\
	__le32_to_cpu(val);			\
})
#define le64_to_cpu(val) ({			\
	typecheck(uint64_t, val);		\
	__le64_to_cpu(val);			\
})
#endif

#define cpu_to_be16(val) ({			\
	typecheck(uint16_t, val);		\
	__cpu_to_be16(val);			\
})
#define cpu_to_be32(val) ({			\
	typecheck(uint32_t, val);		\
	__cpu_to_be32(val);			\
})
#define cpu_to_be64(val) ({			\
	typecheck(uint64_t, val);		\
	__cpu_to_be64(val);			\
})
#define cpu_to_le16(val) ({			\
	typecheck(uint16_t, val);		\
	__cpu_to_le16(val);			\
})
#define cpu_to_le32(val) ({			\
	typecheck(uint32_t, val);		\
	__cpu_to_le32(val);			\
})
#define cpu_to_le64(val) ({			\
	typecheck(uint64_t, val);		\
	__cpu_to_le64(val);			\
})

#define FIO_DEF_CL_SIZE		128

static inline int os_cache_line_size(void)
{
#ifdef FIO_HAVE_CL_SIZE
	int ret = arch_cache_line_size();

	if (ret <= 0)
		return FIO_DEF_CL_SIZE;

	return ret;
#else
	return FIO_DEF_CL_SIZE;
#endif
}

#ifdef FIO_USE_GENERIC_BDEV_SIZE
static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
{
	off_t end;

	*bytes = 0;

	end = lseek(f->fd, 0, SEEK_END);
	if (end < 0)
		return errno;

	*bytes = end;
	return 0;
}
#endif

#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
static inline int init_random_seeds(uint64_t *rand_seeds, int size)
{
	int fd;

	fd = open("/dev/urandom", O_RDONLY);
	if (fd == -1) {
		return 1;
	}

	if (read(fd, rand_seeds, size) < size) {
		close(fd);
		return 1;
	}

	close(fd);
	return 0;
}
#endif

#ifndef FIO_HAVE_FS_STAT
static inline unsigned long long get_fs_free_size(const char *path)
{
	return 0;
}
#endif

#ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
static inline unsigned int cpus_online(void)
{
	return sysconf(_SC_NPROCESSORS_ONLN);
}
#endif

#ifndef CPU_COUNT
#ifdef FIO_HAVE_CPU_AFFINITY
static inline int CPU_COUNT(os_cpu_mask_t *mask)
{
	int max_cpus = cpus_online();
	int nr_cpus, i;

	for (i = 0, nr_cpus = 0; i < max_cpus; i++)
		if (fio_cpu_isset(mask, i))
			nr_cpus++;

	return nr_cpus;
}
#endif
#endif

#ifndef FIO_HAVE_GETTID
#ifndef CONFIG_HAVE_GETTID
static inline int gettid(void)
{
	return getpid();
}
#endif
#endif

#ifndef FIO_HAVE_SHM_ATTACH_REMOVED
static inline int shm_attach_to_open_removed(void)
{
	return 0;
}
#endif

#ifndef FIO_HAVE_NATIVE_FALLOCATE
static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len)
{
	errno = ENOSYS;
	return false;
}
#endif

#if defined(CONFIG_POSIX_FALLOCATE) || defined(FIO_HAVE_NATIVE_FALLOCATE)
# define FIO_HAVE_DEFAULT_FALLOCATE
#endif

#ifndef FIO_HAVE_CPU_HAS
static inline bool os_cpu_has(cpu_features feature)
{
	return false;
}
#endif

#ifndef FIO_EMULATED_MKDIR_TWO
# define fio_mkdir(path, mode)	mkdir(path, mode)
#endif

#ifdef _SC_CLK_TCK
static inline void os_clk_tck(long *clk_tck)
{
	*clk_tck = sysconf(_SC_CLK_TCK);
}
#else
extern void os_clk_tck(long *clk_tck);
#endif

#endif /* FIO_OS_H */
Commit	Line	Data
ebac4655 JA	1	#ifndef FIO_OS_H
	2	#define FIO_OS_H
	3
a14ca44a	4	#include <sys/types.h>
203913ea	5	#include <sys/socket.h>
93bcfd20	6	#include <fcntl.h>
03e20d68	7	#include <pthread.h>
a14ca44a	8	#include <unistd.h>
ecc314ba	9	#include <stdlib.h>
30bec59e	10	#include <errno.h>
a14ca44a	11
c473a9bd	12	#include "../arch/arch.h" /* IWYU pragma: export */
e39c0676	13	#include "../lib/types.h"
836fcc0f	14
cca84643 JA	15	enum {
	16	os_linux = 1,
	17	os_aix,
	18	os_freebsd,
	19	os_hpux,
	20	os_mac,
	21	os_netbsd,
3cd4c66f	22	os_openbsd,
cca84643 JA	23	os_solaris,
cca84643 JA	24	os_windows,
ec5c6b12	25	os_android,
239b2882	26	os_dragonfly,
cca84643 JA	27
	28	os_nr,
	29	};
	30
58828d07 SW	31	typedef enum {
	32	CPU_ARM64_CRC32C,
	33	} cpu_features;
	34
c473a9bd	35	/* IWYU pragma: begin_exports */
ec5c6b12 AC	36	#if defined(__ANDROID__)
	37	#include "os-android.h"
	38	#elif defined(__linux__)
ebac4655 JA	39	#include "os-linux.h"
	40	#elif defined(__FreeBSD__)
	41	#include "os-freebsd.h"
3cd4c66f J	42	#elif defined(__OpenBSD__)
3cd4c66f J	43	#include "os-openbsd.h"
7452440e YT	44	#elif defined(__NetBSD__)
7452440e YT	45	#include "os-netbsd.h"
2c0ecd28 JA	46	#elif defined(__sun__)
2c0ecd28 JA	47	#include "os-solaris.h"
2afd826b JA	48	#elif defined(__APPLE__)
2afd826b JA	49	#include "os-mac.h"
bf2e821a CC	50	#elif defined(_AIX)
bf2e821a CC	51	#include "os-aix.h"
c00a2289 JA	52	#elif defined(__hpux)
c00a2289 JA	53	#include "os-hpux.h"
93bcfd20	54	#elif defined(WIN32)
03e20d68	55	#include "os-windows.h"
239b2882 JA	56	#elif defined (__DragonFly__)
239b2882 JA	57	#include "os-dragonfly.h"
ebac4655 JA	58	#else
	59	#error "unsupported os"
	60	#endif
	61
30bec59e JA	62	#ifndef EDQUOT
	63	#define EDQUOT EIO
	64	#endif
	65
67bf9823	66	#ifdef CONFIG_POSIXAIO
ebac4655	67	#include <aio.h>
e97c1442 JA	68	#ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
	69	typedef struct aiocb os_aiocb_t;
	70	#endif
ebac4655 JA	71	#endif
ebac4655 JA	72
4feafb1e	73	#ifndef CONFIG_STRSEP
984f30c9	74	#include "../oslib/strsep.h"
5921e80c JA	75	#endif
5921e80c JA	76
5ad7be56	77	#ifndef CONFIG_STRLCAT
984f30c9	78	#include "../oslib/strlcat.h"
5ad7be56	79	#endif
c473a9bd	80	/* IWYU pragma: end_exports */
5ad7be56	81
8e239cae JA	82	#ifdef MSG_DONTWAIT
	83	#define OS_MSG_DONTWAIT MSG_DONTWAIT
	84	#endif
	85
4d8947de	86	#ifndef POSIX_FADV_DONTNEED
ebac4655 JA	87	#define POSIX_FADV_DONTNEED (0)
	88	#define POSIX_FADV_SEQUENTIAL (0)
	89	#define POSIX_FADV_RANDOM (0)
3ab9ebca	90	#define POSIX_FADV_NORMAL (0)
4d8947de	91	#endif
ebac4655 JA	92
ebac4655 JA	93	#ifndef FIO_HAVE_CPU_AFFINITY
be4ecfdf	94	#define fio_cpu_clear(mask, cpu) do { } while (0)
7452440e	95	typedef unsigned long os_cpu_mask_t;
3e55d40f TK	96
	97	static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
	98	{
	99	return 0;
	100	}
	101
2c6772e2 TK	102	static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask)
	103	{
	104	return -1;
	105	}
	106
3e55d40f TK	107	static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
	108	{
	109	return -1;
	110	}
	111
	112	static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
	113	{
	114	return 0;
	115	}
c2acfbac JA	116	#else
c2acfbac JA	117	extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
ebac4655 JA	118	#endif
ebac4655 JA	119
03ec570f DLM	120	#ifndef FIO_HAVE_IOPRIO_CLASS
	121	#define ioprio_value_is_class_rt(prio) (false)
	122	#endif
ebac4655	123	#ifndef FIO_HAVE_IOPRIO
8d6e8d99	124	#define ioprio_value(prioclass, prio) (0)
28727df7	125	#define ioprio_set(which, who, prioclass, prio) (0)
ebac4655 JA	126	#endif
ebac4655 JA	127
2c0ecd28	128	#ifndef FIO_HAVE_ODIRECT
7d424763 JA	129	#define OS_O_DIRECT 0
	130	#else
	131	#define OS_O_DIRECT O_DIRECT
2c0ecd28 JA	132	#endif
2c0ecd28 JA	133
d01612f3 CM	134	#ifdef OS_O_ATOMIC
	135	#define FIO_O_ATOMIC OS_O_ATOMIC
	136	#else
	137	#define FIO_O_ATOMIC 0
	138	#endif
	139
74b025b0 JA	140	#ifndef FIO_HAVE_HUGETLB
74b025b0 JA	141	#define SHM_HUGETLB 0
d6dc02fb	142	#define MAP_HUGETLB 0
4d8947de	143	#ifndef FIO_HUGE_PAGE
74b025b0	144	#define FIO_HUGE_PAGE 0
4d8947de	145	#endif
74b025b0	146	#else
cb25df61	147	#ifndef FIO_HUGE_PAGE
ee0e0a71	148	#define FIO_HUGE_PAGE 4194304
74b025b0	149	#endif
cb25df61	150	#endif
74b025b0	151
39b93568 JA	152	#ifndef FIO_HAVE_MMAP_HUGE
	153	#define MAP_HUGETLB 0
	154	#endif
	155
5921e80c JA	156	#ifndef FIO_O_NOATIME
	157	#define FIO_O_NOATIME 0
	158	#endif
	159
dc873b6f JA	160	#ifndef OS_RAND_MAX
	161	#define OS_RAND_MAX RAND_MAX
	162	#endif
	163
58483fa4	164	#ifndef FIO_PREFERRED_ENGINE
df96a39e	165	#define FIO_PREFERRED_ENGINE "psync"
58483fa4 JA	166	#endif
58483fa4 JA	167
b9fd788f	168	#ifndef FIO_OS_PATH_SEPARATOR
53a7af85	169	#define FIO_OS_PATH_SEPARATOR '/'
b9fd788f BC	170	#endif
b9fd788f BC	171
16de1bf9	172	#ifndef FIO_PREFERRED_CLOCK_SOURCE
86e53416	173	#ifdef CONFIG_CLOCK_GETTIME
16de1bf9	174	#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
86e53416 BC	175	#else
	176	#define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
	177	#endif
16de1bf9 BC	178	#endif
16de1bf9 BC	179
67bf9823 JA	180	#ifndef CONFIG_SOCKLEN_T
67bf9823 JA	181	typedef unsigned int socklen_t;
5ba13ea6 JA	182	#endif
5ba13ea6 JA	183
45054cbe	184	#ifndef FIO_OS_HAS_CTIME_R
1f81991e	185	#define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
45054cbe SD	186	#endif
45054cbe SD	187
901ebe18	188	#ifdef FIO_USE_GENERIC_SWAP
9677bec3	189	static inline uint16_t fio_swap16(uint16_t val)
232f9b73 JA	190	{
	191	return (val << 8) \| (val >> 8);
	192	}
	193
901ebe18	194	static inline uint32_t fio_swap32(uint32_t val)
232f9b73 JA	195	{
	196	val = ((val & 0xff00ff00UL) >> 8) \| ((val & 0x00ff00ffUL) << 8);
	197
	198	return (val >> 16) \| (val << 16);
	199	}
	200
901ebe18	201	static inline uint64_t fio_swap64(uint64_t val)
232f9b73 JA	202	{
	203	val = ((val & 0xff00ff00ff00ff00ULL) >> 8) \|
	204	((val & 0x00ff00ff00ff00ffULL) << 8);
	205	val = ((val & 0xffff0000ffff0000ULL) >> 16) \|
	206	((val & 0x0000ffff0000ffffULL) << 16);
	207
	208	return (val >> 32) \| (val << 32);
	209	}
	210	#endif
	211
ec5c6b12	212	#ifndef FIO_HAVE_BYTEORDER_FUNCS
0dcebdf4	213	#ifdef CONFIG_LITTLE_ENDIAN
a824149a DF	214	#define __be16_to_cpu(x) fio_swap16(x)
a824149a DF	215	#define __be32_to_cpu(x) fio_swap32(x)
b747af64	216	#define __be64_to_cpu(x) fio_swap64(x)
8111092f JA	217	#define __le16_to_cpu(x) (x)
	218	#define __le32_to_cpu(x) (x)
	219	#define __le64_to_cpu(x) (x)
a824149a DF	220	#define __cpu_to_be16(x) fio_swap16(x)
a824149a DF	221	#define __cpu_to_be32(x) fio_swap32(x)
b747af64	222	#define __cpu_to_be64(x) fio_swap64(x)
8111092f JA	223	#define __cpu_to_le16(x) (x)
	224	#define __cpu_to_le32(x) (x)
	225	#define __cpu_to_le64(x) (x)
	226	#else
a824149a DF	227	#define __be16_to_cpu(x) (x)
a824149a DF	228	#define __be32_to_cpu(x) (x)
b747af64	229	#define __be64_to_cpu(x) (x)
8111092f JA	230	#define __le16_to_cpu(x) fio_swap16(x)
	231	#define __le32_to_cpu(x) fio_swap32(x)
	232	#define __le64_to_cpu(x) fio_swap64(x)
a824149a DF	233	#define __cpu_to_be16(x) (x)
a824149a DF	234	#define __cpu_to_be32(x) (x)
b747af64	235	#define __cpu_to_be64(x) (x)
8111092f JA	236	#define __cpu_to_le16(x) fio_swap16(x)
	237	#define __cpu_to_le32(x) fio_swap32(x)
	238	#define __cpu_to_le64(x) fio_swap64(x)
	239	#endif
ec5c6b12	240	#endif /* FIO_HAVE_BYTEORDER_FUNCS */
8111092f	241
0bbe46e7	242	#ifdef FIO_INTERNAL
a824149a DF	243	#define be16_to_cpu(val) ({ \
	244	typecheck(uint16_t, val); \
	245	__be16_to_cpu(val); \
	246	})
	247	#define be32_to_cpu(val) ({ \
	248	typecheck(uint32_t, val); \
	249	__be32_to_cpu(val); \
	250	})
b747af64 SW	251	#define be64_to_cpu(val) ({ \
	252	typecheck(uint64_t, val); \
	253	__be64_to_cpu(val); \
	254	})
8111092f	255	#define le16_to_cpu(val) ({ \
ff8039b7	256	typecheck(uint16_t, val); \
c46fda90	257	__le16_to_cpu(val); \
8111092f JA	258	})
8111092f JA	259	#define le32_to_cpu(val) ({ \
ff8039b7	260	typecheck(uint32_t, val); \
c46fda90	261	__le32_to_cpu(val); \
8111092f JA	262	})
8111092f JA	263	#define le64_to_cpu(val) ({ \
ff8039b7 JA	264	typecheck(uint64_t, val); \
ff8039b7 JA	265	__le64_to_cpu(val); \
8111092f	266	})
0bbe46e7 DG	267	#endif
0bbe46e7 DG	268
a824149a DF	269	#define cpu_to_be16(val) ({ \
	270	typecheck(uint16_t, val); \
	271	__cpu_to_be16(val); \
	272	})
	273	#define cpu_to_be32(val) ({ \
	274	typecheck(uint32_t, val); \
	275	__cpu_to_be32(val); \
	276	})
b747af64 SW	277	#define cpu_to_be64(val) ({ \
	278	typecheck(uint64_t, val); \
	279	__cpu_to_be64(val); \
	280	})
8111092f	281	#define cpu_to_le16(val) ({ \
ff8039b7	282	typecheck(uint16_t, val); \
c46fda90	283	__cpu_to_le16(val); \
8111092f JA	284	})
8111092f JA	285	#define cpu_to_le32(val) ({ \
ff8039b7	286	typecheck(uint32_t, val); \
c46fda90	287	__cpu_to_le32(val); \
8111092f JA	288	})
8111092f JA	289	#define cpu_to_le64(val) ({ \
ff8039b7	290	typecheck(uint64_t, val); \
c46fda90	291	__cpu_to_le64(val); \
8111092f JA	292	})
8111092f JA	293
eb7ccf38 JA	294	#define FIO_DEF_CL_SIZE 128
	295
	296	static inline int os_cache_line_size(void)
	297	{
	298	#ifdef FIO_HAVE_CL_SIZE
	299	int ret = arch_cache_line_size();
	300
	301	if (ret <= 0)
	302	return FIO_DEF_CL_SIZE;
	303
	304	return ret;
	305	#else
	306	return FIO_DEF_CL_SIZE;
	307	#endif
	308	}
	309
792d5517	310	#ifdef FIO_USE_GENERIC_BDEV_SIZE
ecc314ba	311	static inline int blockdev_size(struct fio_file f, unsigned long long bytes)
792d5517	312	{
3b2e1464	313	off_t end;
792d5517	314
3b2e1464 JA	315	*bytes = 0;
3b2e1464 JA	316
ecc314ba	317	end = lseek(f->fd, 0, SEEK_END);
792d5517 JA	318	if (end < 0)
	319	return errno;
	320
	321	*bytes = end;
	322	return 0;
	323	}
	324	#endif
	325
93bcfd20	326	#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
9781c080	327	static inline int init_random_seeds(uint64_t *rand_seeds, int size)
93bcfd20 BC	328	{
	329	int fd;
	330
	331	fd = open("/dev/urandom", O_RDONLY);
	332	if (fd == -1) {
	333	return 1;
	334	}
	335
	336	if (read(fd, rand_seeds, size) < size) {
	337	close(fd);
	338	return 1;
	339	}
	340
	341	close(fd);
93bcfd20 BC	342	return 0;
	343	}
	344	#endif
	345
2e3bd4c2	346	#ifndef FIO_HAVE_FS_STAT
c08ad04c	347	static inline unsigned long long get_fs_free_size(const char *path)
2e3bd4c2 JA	348	{
	349	return 0;
	350	}
	351	#endif
	352
c00a2289 JA	353	#ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
	354	static inline unsigned int cpus_online(void)
	355	{
	356	return sysconf(_SC_NPROCESSORS_ONLN);
	357	}
	358	#endif
	359
7221da37	360	#ifndef CPU_COUNT
6cf71c24 JA	361	#ifdef FIO_HAVE_CPU_AFFINITY
	362	static inline int CPU_COUNT(os_cpu_mask_t *mask)
	363	{
	364	int max_cpus = cpus_online();
	365	int nr_cpus, i;
	366
	367	for (i = 0, nr_cpus = 0; i < max_cpus; i++)
	368	if (fio_cpu_isset(mask, i))
	369	nr_cpus++;
	370
	371	return nr_cpus;
	372	}
	373	#endif
	374	#endif
	375
47f767c1	376	#ifndef FIO_HAVE_GETTID
de5ed0e4	377	#ifndef CONFIG_HAVE_GETTID
47f767c1 JA	378	static inline int gettid(void)
	379	{
	380	return getpid();
	381	}
	382	#endif
de5ed0e4	383	#endif
47f767c1	384
0cfe2089 TK	385	#ifndef FIO_HAVE_SHM_ATTACH_REMOVED
	386	static inline int shm_attach_to_open_removed(void)
	387	{
	388	return 0;
	389	}
	390	#endif
	391
2c3e17be SW	392	#ifndef FIO_HAVE_NATIVE_FALLOCATE
	393	static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len)
	394	{
	395	errno = ENOSYS;
	396	return false;
	397	}
	398	#endif
	399
cbbdf1c8	400	#if defined(CONFIG_POSIX_FALLOCATE) \|\| defined(FIO_HAVE_NATIVE_FALLOCATE)
38ca5f03	401	# define FIO_HAVE_DEFAULT_FALLOCATE
cbbdf1c8 SW	402	#endif
cbbdf1c8 SW	403
58828d07 SW	404	#ifndef FIO_HAVE_CPU_HAS
	405	static inline bool os_cpu_has(cpu_features feature)
	406	{
	407	return false;
	408	}
	409	#endif
	410
df18600f SW	411	#ifndef FIO_EMULATED_MKDIR_TWO
df18600f SW	412	# define fio_mkdir(path, mode) mkdir(path, mode)
ebac4655	413	#endif
df18600f	414
3d0d549a BP	415	#ifdef _SC_CLK_TCK
	416	static inline void os_clk_tck(long *clk_tck)
	417	{
	418	*clk_tck = sysconf(_SC_CLK_TCK);
	419	}
	420	#else
	421	extern void os_clk_tck(long *clk_tck);
	422	#endif
	423
df18600f	424	#endif /* FIO_OS_H */