[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_qnx,

	os_nr,
};

typedef enum {
        CPU_ARM64_CRC32C,
} cpu_features;

/* IWYU pragma: begin_exports */
#if defined(__linux__)
#include "os-linux.h"
#elif defined(__FreeBSD__)
#include "os-freebsd.h"
#elif defined(__OpenBSD__)
#include "os-openbsd.h"
#elif defined(__QNX__)
#include "os-qnx.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_class(prio)		0
#define ioprio_value_is_class_rt(prio)	(false)
#define IOPRIO_MIN_PRIO_CLASS		0
#define IOPRIO_MAX_PRIO_CLASS		0
#define ioprio_hint(prio)		0
#define IOPRIO_MIN_PRIO_HINT		0
#define IOPRIO_MAX_PRIO_HINT		0
#endif
#ifndef FIO_HAVE_IOPRIO
#define ioprio_value(prioclass, prio, priohint)	(0)
#define ioprio(ioprio)			0
#define ioprio_set(which, who, prioclass, prio, priohint) (0)
#define IOPRIO_MIN_PRIO			0
#define IOPRIO_MAX_PRIO			0
#endif

#ifndef FIO_HAVE_ODIRECT
#define OS_O_DIRECT			0
#else
#define OS_O_DIRECT			O_DIRECT
#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_CONF_SYSCONF
static inline unsigned int cpus_configured(void)
{
	int nr_cpus = sysconf(_SC_NPROCESSORS_CONF);

	return nr_cpus >= 1 ? nr_cpus : 1;
}
#endif

#ifndef CPU_COUNT
#ifdef FIO_HAVE_CPU_AFFINITY
static inline int CPU_COUNT(os_cpu_mask_t *mask)
{
	int max_cpus = cpus_configured();
	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,
946733c6	27	os_qnx,
cca84643 JA	28
	29	os_nr,
	30	};
	31
58828d07 SW	32	typedef enum {
	33	CPU_ARM64_CRC32C,
	34	} cpu_features;
	35
c473a9bd	36	/* IWYU pragma: begin_exports */
910f378a	37	#if defined(__linux__)
ebac4655 JA	38	#include "os-linux.h"
	39	#elif defined(__FreeBSD__)
	40	#include "os-freebsd.h"
3cd4c66f J	41	#elif defined(__OpenBSD__)
3cd4c66f J	42	#include "os-openbsd.h"
946733c6 H	43	#elif defined(__QNX__)
946733c6 H	44	#include "os-qnx.h"
7452440e YT	45	#elif defined(__NetBSD__)
7452440e YT	46	#include "os-netbsd.h"
2c0ecd28 JA	47	#elif defined(__sun__)
2c0ecd28 JA	48	#include "os-solaris.h"
2afd826b JA	49	#elif defined(__APPLE__)
2afd826b JA	50	#include "os-mac.h"
bf2e821a CC	51	#elif defined(_AIX)
bf2e821a CC	52	#include "os-aix.h"
c00a2289 JA	53	#elif defined(__hpux)
c00a2289 JA	54	#include "os-hpux.h"
93bcfd20	55	#elif defined(WIN32)
03e20d68	56	#include "os-windows.h"
239b2882 JA	57	#elif defined (__DragonFly__)
239b2882 JA	58	#include "os-dragonfly.h"
ebac4655 JA	59	#else
	60	#error "unsupported os"
	61	#endif
	62
30bec59e JA	63	#ifndef EDQUOT
	64	#define EDQUOT EIO
	65	#endif
	66
67bf9823	67	#ifdef CONFIG_POSIXAIO
ebac4655	68	#include <aio.h>
e97c1442 JA	69	#ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
	70	typedef struct aiocb os_aiocb_t;
	71	#endif
ebac4655 JA	72	#endif
ebac4655 JA	73
4feafb1e	74	#ifndef CONFIG_STRSEP
984f30c9	75	#include "../oslib/strsep.h"
5921e80c JA	76	#endif
5921e80c JA	77
5ad7be56	78	#ifndef CONFIG_STRLCAT
984f30c9	79	#include "../oslib/strlcat.h"
5ad7be56	80	#endif
c473a9bd	81	/* IWYU pragma: end_exports */
5ad7be56	82
8e239cae JA	83	#ifdef MSG_DONTWAIT
	84	#define OS_MSG_DONTWAIT MSG_DONTWAIT
	85	#endif
	86
4d8947de	87	#ifndef POSIX_FADV_DONTNEED
ebac4655 JA	88	#define POSIX_FADV_DONTNEED (0)
	89	#define POSIX_FADV_SEQUENTIAL (0)
	90	#define POSIX_FADV_RANDOM (0)
3ab9ebca	91	#define POSIX_FADV_NORMAL (0)
4d8947de	92	#endif
ebac4655 JA	93
ebac4655 JA	94	#ifndef FIO_HAVE_CPU_AFFINITY
be4ecfdf	95	#define fio_cpu_clear(mask, cpu) do { } while (0)
7452440e	96	typedef unsigned long os_cpu_mask_t;
3e55d40f TK	97
	98	static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
	99	{
	100	return 0;
	101	}
	102
2c6772e2 TK	103	static inline int fio_getaffinity(int pid, os_cpu_mask_t *cpumask)
	104	{
	105	return -1;
	106	}
	107
3e55d40f TK	108	static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
	109	{
	110	return -1;
	111	}
	112
	113	static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
	114	{
	115	return 0;
	116	}
c2acfbac JA	117	#else
c2acfbac JA	118	extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
ebac4655 JA	119	#endif
ebac4655 JA	120
03ec570f	121	#ifndef FIO_HAVE_IOPRIO_CLASS
a967e54d	122	#define ioprio_class(prio) 0
03ec570f	123	#define ioprio_value_is_class_rt(prio) (false)
971eef80 NC	124	#define IOPRIO_MIN_PRIO_CLASS 0
971eef80 NC	125	#define IOPRIO_MAX_PRIO_CLASS 0
b3048c1b DLM	126	#define ioprio_hint(prio) 0
	127	#define IOPRIO_MIN_PRIO_HINT 0
	128	#define IOPRIO_MAX_PRIO_HINT 0
03ec570f	129	#endif
ebac4655	130	#ifndef FIO_HAVE_IOPRIO
b3048c1b	131	#define ioprio_value(prioclass, prio, priohint) (0)
a967e54d	132	#define ioprio(ioprio) 0
b3048c1b	133	#define ioprio_set(which, who, prioclass, prio, priohint) (0)
971eef80 NC	134	#define IOPRIO_MIN_PRIO 0
971eef80 NC	135	#define IOPRIO_MAX_PRIO 0
ebac4655 JA	136	#endif
ebac4655 JA	137
2c0ecd28	138	#ifndef FIO_HAVE_ODIRECT
7d424763 JA	139	#define OS_O_DIRECT 0
	140	#else
	141	#define OS_O_DIRECT O_DIRECT
2c0ecd28 JA	142	#endif
2c0ecd28 JA	143
74b025b0 JA	144	#ifndef FIO_HAVE_HUGETLB
74b025b0 JA	145	#define SHM_HUGETLB 0
d6dc02fb	146	#define MAP_HUGETLB 0
4d8947de	147	#ifndef FIO_HUGE_PAGE
74b025b0	148	#define FIO_HUGE_PAGE 0
4d8947de	149	#endif
74b025b0	150	#else
cb25df61	151	#ifndef FIO_HUGE_PAGE
ee0e0a71	152	#define FIO_HUGE_PAGE 4194304
74b025b0	153	#endif
cb25df61	154	#endif
74b025b0	155
39b93568 JA	156	#ifndef FIO_HAVE_MMAP_HUGE
	157	#define MAP_HUGETLB 0
	158	#endif
	159
5921e80c JA	160	#ifndef FIO_O_NOATIME
	161	#define FIO_O_NOATIME 0
	162	#endif
	163
dc873b6f JA	164	#ifndef OS_RAND_MAX
	165	#define OS_RAND_MAX RAND_MAX
	166	#endif
	167
58483fa4	168	#ifndef FIO_PREFERRED_ENGINE
df96a39e	169	#define FIO_PREFERRED_ENGINE "psync"
58483fa4 JA	170	#endif
58483fa4 JA	171
b9fd788f	172	#ifndef FIO_OS_PATH_SEPARATOR
53a7af85	173	#define FIO_OS_PATH_SEPARATOR '/'
b9fd788f BC	174	#endif
b9fd788f BC	175
16de1bf9	176	#ifndef FIO_PREFERRED_CLOCK_SOURCE
86e53416	177	#ifdef CONFIG_CLOCK_GETTIME
16de1bf9	178	#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
86e53416 BC	179	#else
	180	#define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
	181	#endif
16de1bf9 BC	182	#endif
16de1bf9 BC	183
67bf9823 JA	184	#ifndef CONFIG_SOCKLEN_T
67bf9823 JA	185	typedef unsigned int socklen_t;
5ba13ea6 JA	186	#endif
5ba13ea6 JA	187
45054cbe	188	#ifndef FIO_OS_HAS_CTIME_R
1f81991e	189	#define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
45054cbe SD	190	#endif
45054cbe SD	191
901ebe18	192	#ifdef FIO_USE_GENERIC_SWAP
9677bec3	193	static inline uint16_t fio_swap16(uint16_t val)
232f9b73 JA	194	{
	195	return (val << 8) \| (val >> 8);
	196	}
	197
901ebe18	198	static inline uint32_t fio_swap32(uint32_t val)
232f9b73 JA	199	{
	200	val = ((val & 0xff00ff00UL) >> 8) \| ((val & 0x00ff00ffUL) << 8);
	201
	202	return (val >> 16) \| (val << 16);
	203	}
	204
901ebe18	205	static inline uint64_t fio_swap64(uint64_t val)
232f9b73 JA	206	{
	207	val = ((val & 0xff00ff00ff00ff00ULL) >> 8) \|
	208	((val & 0x00ff00ff00ff00ffULL) << 8);
	209	val = ((val & 0xffff0000ffff0000ULL) >> 16) \|
	210	((val & 0x0000ffff0000ffffULL) << 16);
	211
	212	return (val >> 32) \| (val << 32);
	213	}
	214	#endif
	215
ec5c6b12	216	#ifndef FIO_HAVE_BYTEORDER_FUNCS
0dcebdf4	217	#ifdef CONFIG_LITTLE_ENDIAN
a824149a DF	218	#define __be16_to_cpu(x) fio_swap16(x)
a824149a DF	219	#define __be32_to_cpu(x) fio_swap32(x)
b747af64	220	#define __be64_to_cpu(x) fio_swap64(x)
8111092f JA	221	#define __le16_to_cpu(x) (x)
	222	#define __le32_to_cpu(x) (x)
	223	#define __le64_to_cpu(x) (x)
a824149a DF	224	#define __cpu_to_be16(x) fio_swap16(x)
a824149a DF	225	#define __cpu_to_be32(x) fio_swap32(x)
b747af64	226	#define __cpu_to_be64(x) fio_swap64(x)
8111092f JA	227	#define __cpu_to_le16(x) (x)
	228	#define __cpu_to_le32(x) (x)
	229	#define __cpu_to_le64(x) (x)
	230	#else
a824149a DF	231	#define __be16_to_cpu(x) (x)
a824149a DF	232	#define __be32_to_cpu(x) (x)
b747af64	233	#define __be64_to_cpu(x) (x)
8111092f JA	234	#define __le16_to_cpu(x) fio_swap16(x)
	235	#define __le32_to_cpu(x) fio_swap32(x)
	236	#define __le64_to_cpu(x) fio_swap64(x)
a824149a DF	237	#define __cpu_to_be16(x) (x)
a824149a DF	238	#define __cpu_to_be32(x) (x)
b747af64	239	#define __cpu_to_be64(x) (x)
8111092f JA	240	#define __cpu_to_le16(x) fio_swap16(x)
	241	#define __cpu_to_le32(x) fio_swap32(x)
	242	#define __cpu_to_le64(x) fio_swap64(x)
	243	#endif
ec5c6b12	244	#endif /* FIO_HAVE_BYTEORDER_FUNCS */
8111092f	245
0bbe46e7	246	#ifdef FIO_INTERNAL
a824149a DF	247	#define be16_to_cpu(val) ({ \
	248	typecheck(uint16_t, val); \
	249	__be16_to_cpu(val); \
	250	})
	251	#define be32_to_cpu(val) ({ \
	252	typecheck(uint32_t, val); \
	253	__be32_to_cpu(val); \
	254	})
b747af64 SW	255	#define be64_to_cpu(val) ({ \
	256	typecheck(uint64_t, val); \
	257	__be64_to_cpu(val); \
	258	})
8111092f	259	#define le16_to_cpu(val) ({ \
ff8039b7	260	typecheck(uint16_t, val); \
c46fda90	261	__le16_to_cpu(val); \
8111092f JA	262	})
8111092f JA	263	#define le32_to_cpu(val) ({ \
ff8039b7	264	typecheck(uint32_t, val); \
c46fda90	265	__le32_to_cpu(val); \
8111092f JA	266	})
8111092f JA	267	#define le64_to_cpu(val) ({ \
ff8039b7 JA	268	typecheck(uint64_t, val); \
ff8039b7 JA	269	__le64_to_cpu(val); \
8111092f	270	})
0bbe46e7 DG	271	#endif
0bbe46e7 DG	272
a824149a DF	273	#define cpu_to_be16(val) ({ \
	274	typecheck(uint16_t, val); \
	275	__cpu_to_be16(val); \
	276	})
	277	#define cpu_to_be32(val) ({ \
	278	typecheck(uint32_t, val); \
	279	__cpu_to_be32(val); \
	280	})
b747af64 SW	281	#define cpu_to_be64(val) ({ \
	282	typecheck(uint64_t, val); \
	283	__cpu_to_be64(val); \
	284	})
8111092f	285	#define cpu_to_le16(val) ({ \
ff8039b7	286	typecheck(uint16_t, val); \
c46fda90	287	__cpu_to_le16(val); \
8111092f JA	288	})
8111092f JA	289	#define cpu_to_le32(val) ({ \
ff8039b7	290	typecheck(uint32_t, val); \
c46fda90	291	__cpu_to_le32(val); \
8111092f JA	292	})
8111092f JA	293	#define cpu_to_le64(val) ({ \
ff8039b7	294	typecheck(uint64_t, val); \
c46fda90	295	__cpu_to_le64(val); \
8111092f JA	296	})
8111092f JA	297
eb7ccf38 JA	298	#define FIO_DEF_CL_SIZE 128
	299
	300	static inline int os_cache_line_size(void)
	301	{
	302	#ifdef FIO_HAVE_CL_SIZE
	303	int ret = arch_cache_line_size();
	304
	305	if (ret <= 0)
	306	return FIO_DEF_CL_SIZE;
	307
	308	return ret;
	309	#else
	310	return FIO_DEF_CL_SIZE;
	311	#endif
	312	}
	313
792d5517	314	#ifdef FIO_USE_GENERIC_BDEV_SIZE
ecc314ba	315	static inline int blockdev_size(struct fio_file f, unsigned long long bytes)
792d5517	316	{
3b2e1464	317	off_t end;
792d5517	318
3b2e1464 JA	319	*bytes = 0;
3b2e1464 JA	320
ecc314ba	321	end = lseek(f->fd, 0, SEEK_END);
792d5517 JA	322	if (end < 0)
	323	return errno;
	324
	325	*bytes = end;
	326	return 0;
	327	}
	328	#endif
	329
93bcfd20	330	#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
9781c080	331	static inline int init_random_seeds(uint64_t *rand_seeds, int size)
93bcfd20 BC	332	{
	333	int fd;
	334
	335	fd = open("/dev/urandom", O_RDONLY);
	336	if (fd == -1) {
	337	return 1;
	338	}
	339
	340	if (read(fd, rand_seeds, size) < size) {
	341	close(fd);
	342	return 1;
	343	}
	344
	345	close(fd);
93bcfd20 BC	346	return 0;
	347	}
	348	#endif
	349
2e3bd4c2	350	#ifndef FIO_HAVE_FS_STAT
c08ad04c	351	static inline unsigned long long get_fs_free_size(const char *path)
2e3bd4c2 JA	352	{
	353	return 0;
	354	}
	355	#endif
	356
40f61ec7	357	#ifndef FIO_HAVE_CPU_CONF_SYSCONF
40f61ec7	358	static inline unsigned int cpus_configured(void)
c00a2289	359	{
192cdbe2 BVA	360	int nr_cpus = sysconf(_SC_NPROCESSORS_CONF);
	361
	362	return nr_cpus >= 1 ? nr_cpus : 1;
c00a2289 JA	363	}
	364	#endif
	365
7221da37	366	#ifndef CPU_COUNT
6cf71c24 JA	367	#ifdef FIO_HAVE_CPU_AFFINITY
	368	static inline int CPU_COUNT(os_cpu_mask_t *mask)
	369	{
40f61ec7	370	int max_cpus = cpus_configured();
6cf71c24 JA	371	int nr_cpus, i;
	372
	373	for (i = 0, nr_cpus = 0; i < max_cpus; i++)
	374	if (fio_cpu_isset(mask, i))
	375	nr_cpus++;
	376
	377	return nr_cpus;
	378	}
	379	#endif
	380	#endif
	381
47f767c1	382	#ifndef FIO_HAVE_GETTID
de5ed0e4	383	#ifndef CONFIG_HAVE_GETTID
47f767c1 JA	384	static inline int gettid(void)
	385	{
	386	return getpid();
	387	}
	388	#endif
de5ed0e4	389	#endif
47f767c1	390
0cfe2089 TK	391	#ifndef FIO_HAVE_SHM_ATTACH_REMOVED
	392	static inline int shm_attach_to_open_removed(void)
	393	{
	394	return 0;
	395	}
	396	#endif
	397
2c3e17be SW	398	#ifndef FIO_HAVE_NATIVE_FALLOCATE
	399	static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t len)
	400	{
	401	errno = ENOSYS;
	402	return false;
	403	}
	404	#endif
	405
cbbdf1c8	406	#if defined(CONFIG_POSIX_FALLOCATE) \|\| defined(FIO_HAVE_NATIVE_FALLOCATE)
38ca5f03	407	# define FIO_HAVE_DEFAULT_FALLOCATE
cbbdf1c8 SW	408	#endif
cbbdf1c8 SW	409
58828d07 SW	410	#ifndef FIO_HAVE_CPU_HAS
	411	static inline bool os_cpu_has(cpu_features feature)
	412	{
	413	return false;
	414	}
	415	#endif
	416
df18600f SW	417	#ifndef FIO_EMULATED_MKDIR_TWO
df18600f SW	418	# define fio_mkdir(path, mode) mkdir(path, mode)
ebac4655	419	#endif
df18600f	420
3d0d549a BP	421	#ifdef _SC_CLK_TCK
	422	static inline void os_clk_tck(long *clk_tck)
	423	{
	424	*clk_tck = sysconf(_SC_CLK_TCK);
	425	}
	426	#else
	427	extern void os_clk_tck(long *clk_tck);
	428	#endif
	429
df18600f	430	#endif /* FIO_OS_H */