[fio.git] / os / os-windows.h

#ifndef FIO_OS_WINDOWS_H
#define FIO_OS_WINDOWS_H

#define FIO_OS	os_windows

#include <sys/types.h>
#include <sys/shm.h>
#include <sys/stat.h>
#include <errno.h>
#include <winsock2.h>
#include <windows.h>
#include <psapi.h>
#include <stdlib.h>

#include "../smalloc.h"
#include "../debug.h"
#include "../file.h"
#include "../log.h"
#include "../lib/hweight.h"
#include "../oslib/strcasestr.h"
#include "../lib/types.h"

#include "windows/posix.h"

/* MinGW won't declare rand_r unless _POSIX is defined */
#if defined(WIN32) && !defined(rand_r)
int rand_r(unsigned *);
#endif

#ifndef PTHREAD_STACK_MIN
#define PTHREAD_STACK_MIN 65535
#endif

#define FIO_HAVE_ODIRECT
#define FIO_HAVE_CPU_AFFINITY
#define FIO_HAVE_CHARDEV_SIZE
#define FIO_HAVE_GETTID
#define FIO_USE_GENERIC_RAND

#define FIO_PREFERRED_ENGINE		"windowsaio"
#define FIO_PREFERRED_CLOCK_SOURCE	CS_CGETTIME
#define FIO_OS_PATH_SEPARATOR		'\\'

#define OS_MAP_ANON		MAP_ANON

#define fio_swap16(x)	_byteswap_ushort(x)
#define fio_swap32(x)	_byteswap_ulong(x)
#define fio_swap64(x)	_byteswap_uint64(x)

#define _SC_PAGESIZE			0x1
#define _SC_NPROCESSORS_ONLN	0x2
#define _SC_PHYS_PAGES			0x4

#define SA_RESTART	0
#define SIGPIPE		0

/*
 * Windows doesn't have O_DIRECT or O_SYNC, so define them
 * here so we can reject them at runtime when using the _open
 * interface (windowsaio uses CreateFile)
 */
#define O_DIRECT	0x1000000
#define O_SYNC		0x2000000

/* Windows doesn't support madvise, so any values will work */
#define POSIX_MADV_DONTNEED		0
#define POSIX_MADV_SEQUENTIAL	0
#define POSIX_MADV_RANDOM		0

#define F_SETFL			0x1
#define F_GETFL			0x2
#define O_NONBLOCK		FIONBIO

/* Winsock doesn't support MSG_WAIT */
#define OS_MSG_DONTWAIT	0

#ifndef S_ISSOCK
#define S_ISSOCK(x) 0
#endif

#define SIGCONT	0
#define SIGUSR1	1
#define SIGUSR2 2

typedef int sigset_t;
typedef int siginfo_t;

struct sigaction
{
	void (*sa_handler)(int);
	sigset_t sa_mask;
	int sa_flags;
	void* (*sa_sigaction)(int, siginfo_t *, void*);
};

long sysconf(int name);

int kill(pid_t pid, int sig);
pid_t setsid(void);
int setgid(gid_t gid);
int setuid(uid_t uid);
int nice(int incr);
int sigaction(int sig, const struct sigaction *act,
		struct sigaction *oact);
int fsync(int fildes);
int fork(void);
int fcntl(int fildes, int cmd, ...);
int fdatasync(int fildes);
int lstat(const char * path, struct stat * buf);
uid_t geteuid(void);
char* ctime_r(const time_t *t, char *buf);
int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
ssize_t pwrite(int fildes, const void *buf, size_t nbyte,
		off_t offset);

static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
{
	int rc = 0;
	HANDLE hFile;
	GET_LENGTH_INFORMATION info;
	DWORD outBytes;

	if (f->hFile == NULL) {
		hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
				NULL, OPEN_EXISTING, 0, NULL);
	} else {
		hFile = f->hFile;
	}

	if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
		*bytes = info.Length.QuadPart;
	else
		rc = EIO;

	/* If we were passed a POSIX fd,
	 * close the HANDLE we created via CreateFile */
	if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
		CloseHandle(hFile);

	return rc;
}

static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
{
	return blockdev_size(f, bytes);
}

static inline int blockdev_invalidate_cache(struct fio_file *f)
{
	return ENOTSUP;
}

static inline unsigned long long os_phys_mem(void)
{
	long pagesize, pages;

	pagesize = sysconf(_SC_PAGESIZE);
	pages = sysconf(_SC_PHYS_PAGES);
	if (pages == -1 || pagesize == -1)
		return 0;

	return (unsigned long long) pages * (unsigned long long) pagesize;
}

static inline int gettid(void)
{
	return GetCurrentThreadId();
}

static inline int init_random_seeds(unsigned long *rand_seeds, int size)
{
	HCRYPTPROV hCryptProv;

	if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
	{
		errno = GetLastError();
		log_err("CryptAcquireContext() failed: error %d\n", errno);
		return 1;
	}

	if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) {
		errno = GetLastError();
		log_err("CryptGenRandom() failed, error %d\n", errno);
		CryptReleaseContext(hCryptProv, 0);
		return 1;
	}

	CryptReleaseContext(hCryptProv, 0);
	return 0;
}

static inline int fio_set_sched_idle(void)
{
	/* SetThreadPriority returns nonzero for success */
	return (SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE))? 0 : -1;
}

#ifdef CONFIG_WINDOWS_XP
#include "os-windows-xp.h"
#else
#include "os-windows-7.h"
#endif

#endif /* FIO_OS_WINDOWS_H */
Commit	Line	Data
	1	#ifndef FIO_OS_WINDOWS_H
	2	#define FIO_OS_WINDOWS_H
	3
	4	#define FIO_OS os_windows
	5
	6	#include <sys/types.h>
	7	#include <sys/shm.h>
	8	#include <sys/stat.h>
	9	#include <errno.h>
	10	#include <winsock2.h>
	11	#include <windows.h>
	12	#include <psapi.h>
	13	#include <stdlib.h>
	14
	15	#include "../smalloc.h"
	16	#include "../debug.h"
	17	#include "../file.h"
	18	#include "../log.h"
	19	#include "../lib/hweight.h"
	20	#include "../oslib/strcasestr.h"
	21	#include "../lib/types.h"
	22
	23	#include "windows/posix.h"
	24
	25	/* MinGW won't declare rand_r unless _POSIX is defined */
	26	#if defined(WIN32) && !defined(rand_r)
	27	int rand_r(unsigned *);
	28	#endif
	29
	30	#ifndef PTHREAD_STACK_MIN
	31	#define PTHREAD_STACK_MIN 65535
	32	#endif
	33
	34	#define FIO_HAVE_ODIRECT
	35	#define FIO_HAVE_CPU_AFFINITY
	36	#define FIO_HAVE_CHARDEV_SIZE
	37	#define FIO_HAVE_GETTID
	38	#define FIO_USE_GENERIC_RAND
	39
	40	#define FIO_PREFERRED_ENGINE "windowsaio"
	41	#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
	42	#define FIO_OS_PATH_SEPARATOR '\\'
	43
	44	#define OS_MAP_ANON MAP_ANON
	45
	46	#define fio_swap16(x) _byteswap_ushort(x)
	47	#define fio_swap32(x) _byteswap_ulong(x)
	48	#define fio_swap64(x) _byteswap_uint64(x)
	49
	50	#define _SC_PAGESIZE 0x1
	51	#define _SC_NPROCESSORS_ONLN 0x2
	52	#define _SC_PHYS_PAGES 0x4
	53
	54	#define SA_RESTART 0
	55	#define SIGPIPE 0
	56
	57	/*
	58	* Windows doesn't have O_DIRECT or O_SYNC, so define them
	59	* here so we can reject them at runtime when using the _open
	60	* interface (windowsaio uses CreateFile)
	61	*/
	62	#define O_DIRECT 0x1000000
	63	#define O_SYNC 0x2000000
	64
	65	/* Windows doesn't support madvise, so any values will work */
	66	#define POSIX_MADV_DONTNEED 0
	67	#define POSIX_MADV_SEQUENTIAL 0
	68	#define POSIX_MADV_RANDOM 0
	69
	70	#define F_SETFL 0x1
	71	#define F_GETFL 0x2
	72	#define O_NONBLOCK FIONBIO
	73
	74	/* Winsock doesn't support MSG_WAIT */
	75	#define OS_MSG_DONTWAIT 0
	76
	77	#ifndef S_ISSOCK
	78	#define S_ISSOCK(x) 0
	79	#endif
	80
	81	#define SIGCONT 0
	82	#define SIGUSR1 1
	83	#define SIGUSR2 2
	84
	85	typedef int sigset_t;
	86	typedef int siginfo_t;
	87
	88	struct sigaction
	89	{
	90	void (*sa_handler)(int);
	91	sigset_t sa_mask;
	92	int sa_flags;
	93	void* (sa_sigaction)(int, siginfo_t , void*);
	94	};
	95
	96	long sysconf(int name);
	97
	98	int kill(pid_t pid, int sig);
	99	pid_t setsid(void);
	100	int setgid(gid_t gid);
	101	int setuid(uid_t uid);
	102	int nice(int incr);
	103	int sigaction(int sig, const struct sigaction *act,
	104	struct sigaction *oact);
	105	int fsync(int fildes);
	106	int fork(void);
	107	int fcntl(int fildes, int cmd, ...);
	108	int fdatasync(int fildes);
	109	int lstat(const char * path, struct stat * buf);
	110	uid_t geteuid(void);
	111	char* ctime_r(const time_t t, char buf);
	112	int nanosleep(const struct timespec rqtp, struct timespec rmtp);
	113	ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
	114	ssize_t pwrite(int fildes, const void *buf, size_t nbyte,
	115	off_t offset);
	116
	117	static inline int blockdev_size(struct fio_file f, unsigned long long bytes)
	118	{
	119	int rc = 0;
	120	HANDLE hFile;
	121	GET_LENGTH_INFORMATION info;
	122	DWORD outBytes;
	123
	124	if (f->hFile == NULL) {
	125	hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ \| FILE_SHARE_WRITE,
	126	NULL, OPEN_EXISTING, 0, NULL);
	127	} else {
	128	hFile = f->hFile;
	129	}
	130
	131	if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
	132	*bytes = info.Length.QuadPart;
	133	else
	134	rc = EIO;
	135
	136	/* If we were passed a POSIX fd,
	137	* close the HANDLE we created via CreateFile */
	138	if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
	139	CloseHandle(hFile);
	140
	141	return rc;
	142	}
	143
	144	static inline int chardev_size(struct fio_file f, unsigned long long bytes)
	145	{
	146	return blockdev_size(f, bytes);
	147	}
	148
	149	static inline int blockdev_invalidate_cache(struct fio_file *f)
	150	{
	151	return ENOTSUP;
	152	}
	153
	154	static inline unsigned long long os_phys_mem(void)
	155	{
	156	long pagesize, pages;
	157
	158	pagesize = sysconf(_SC_PAGESIZE);
	159	pages = sysconf(_SC_PHYS_PAGES);
	160	if (pages == -1 \|\| pagesize == -1)
	161	return 0;
	162
	163	return (unsigned long long) pages * (unsigned long long) pagesize;
	164	}
	165
	166	static inline int gettid(void)
	167	{
	168	return GetCurrentThreadId();
	169	}
	170
	171	static inline int init_random_seeds(unsigned long *rand_seeds, int size)
	172	{
	173	HCRYPTPROV hCryptProv;
	174
	175	if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
	176	{
	177	errno = GetLastError();
	178	log_err("CryptAcquireContext() failed: error %d\n", errno);
	179	return 1;
	180	}
	181
	182	if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) {
	183	errno = GetLastError();
	184	log_err("CryptGenRandom() failed, error %d\n", errno);
	185	CryptReleaseContext(hCryptProv, 0);
	186	return 1;
	187	}
	188
	189	CryptReleaseContext(hCryptProv, 0);
	190	return 0;
	191	}
	192
	193	static inline int fio_set_sched_idle(void)
	194	{
	195	/* SetThreadPriority returns nonzero for success */
	196	return (SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE))? 0 : -1;
	197	}
	198
	199	#ifdef CONFIG_WINDOWS_XP
	200	#include "os-windows-xp.h"
	201	#else
	202	#include "os-windows-7.h"
	203	#endif
	204
	205	#endif /* FIO_OS_WINDOWS_H */