[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 "../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

#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;
}

#include "os-windows-xp.h"

#endif /* FIO_OS_WINDOWS_H */
Commit	Line	Data
93bcfd20 BC	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>
5aa23eb8	10	#include <winsock2.h>
93bcfd20 BC	11	#include <windows.h>
	12	#include <psapi.h>
	13	#include <stdlib.h>
	14
	15	#include "../smalloc.h"
	16	#include "../file.h"
	17	#include "../log.h"
95db3079	18	#include "../lib/hweight.h"
984f30c9	19	#include "../oslib/strcasestr.h"
52fd65f4	20	#include "../lib/types.h"
93bcfd20	21
1f81991e JA	22	#include "windows/posix.h"
1f81991e JA	23
dac7244b	24	/* MinGW won't declare rand_r unless _POSIX is defined */
ab917e33 BC	25	#if defined(WIN32) && !defined(rand_r)
	26	int rand_r(unsigned *);
	27	#endif
	28
f16b7405 BC	29	#ifndef PTHREAD_STACK_MIN
	30	#define PTHREAD_STACK_MIN 65535
	31	#endif
	32
93bcfd20 BC	33	#define FIO_HAVE_ODIRECT
	34	#define FIO_HAVE_CPU_AFFINITY
	35	#define FIO_HAVE_CHARDEV_SIZE
93bcfd20	36	#define FIO_HAVE_GETTID
93bcfd20 BC	37	#define FIO_USE_GENERIC_RAND
	38
	39	#define FIO_PREFERRED_ENGINE "windowsaio"
	40	#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
87262d97	41	#define FIO_OS_PATH_SEPARATOR '\\'
93bcfd20	42
93bcfd20 BC	43	#define OS_MAP_ANON MAP_ANON
93bcfd20 BC	44
93bcfd20 BC	45	#define fio_swap16(x) _byteswap_ushort(x)
	46	#define fio_swap32(x) _byteswap_ulong(x)
	47	#define fio_swap64(x) _byteswap_uint64(x)
	48
93bcfd20 BC	49	#define _SC_PAGESIZE 0x1
	50	#define _SC_NPROCESSORS_ONLN 0x2
	51	#define _SC_PHYS_PAGES 0x4
	52
	53	#define SA_RESTART 0
	54	#define SIGPIPE 0
	55
	56	/*
	57	* Windows doesn't have O_DIRECT or O_SYNC, so define them
	58	* here so we can reject them at runtime when using the _open
	59	* interface (windowsaio uses CreateFile)
	60	*/
	61	#define O_DIRECT 0x1000000
	62	#define O_SYNC 0x2000000
	63
	64	/* Windows doesn't support madvise, so any values will work */
	65	#define POSIX_MADV_DONTNEED 0
	66	#define POSIX_MADV_SEQUENTIAL 0
	67	#define POSIX_MADV_RANDOM 0
	68
	69	#define F_SETFL 0x1
	70	#define F_GETFL 0x2
	71	#define O_NONBLOCK FIONBIO
	72
	73	/* Winsock doesn't support MSG_WAIT */
	74	#define OS_MSG_DONTWAIT 0
	75
93bcfd20	76	#define SIGCONT 0
84306c1d	77	#define SIGUSR1 1
2277d5d5	78	#define SIGUSR2 2
93bcfd20 BC	79
	80	typedef int sigset_t;
	81	typedef int siginfo_t;
	82
	83	struct sigaction
	84	{
	85	void (*sa_handler)(int);
	86	sigset_t sa_mask;
	87	int sa_flags;
	88	void* (sa_sigaction)(int, siginfo_t , void*);
	89	};
	90
93bcfd20 BC	91	long sysconf(int name);
	92
	93	int kill(pid_t pid, int sig);
	94	pid_t setsid(void);
	95	int setgid(gid_t gid);
	96	int setuid(uid_t uid);
	97	int nice(int incr);
	98	int sigaction(int sig, const struct sigaction *act,
	99	struct sigaction *oact);
	100	int fsync(int fildes);
	101	int fork(void);
	102	int fcntl(int fildes, int cmd, ...);
	103	int fdatasync(int fildes);
	104	int lstat(const char * path, struct stat * buf);
	105	uid_t geteuid(void);
824d6ff4	106	char* ctime_r(const time_t t, char buf);
93bcfd20 BC	107	int nanosleep(const struct timespec rqtp, struct timespec rmtp);
	108	ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
	109	ssize_t pwrite(int fildes, const void *buf, size_t nbyte,
	110	off_t offset);
93bcfd20 BC	111
	112	static inline int blockdev_size(struct fio_file f, unsigned long long bytes)
	113	{
	114	int rc = 0;
	115	HANDLE hFile;
5aa23eb8 BC	116	GET_LENGTH_INFORMATION info;
5aa23eb8 BC	117	DWORD outBytes;
93bcfd20 BC	118
	119	if (f->hFile == NULL) {
	120	hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ \| FILE_SHARE_WRITE,
	121	NULL, OPEN_EXISTING, 0, NULL);
	122	} else {
	123	hFile = f->hFile;
	124	}
	125
93bcfd20 BC	126	if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
	127	*bytes = info.Length.QuadPart;
	128	else
	129	rc = EIO;
	130
	131	/* If we were passed a POSIX fd,
	132	* close the HANDLE we created via CreateFile */
	133	if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
	134	CloseHandle(hFile);
	135
	136	return rc;
	137	}
	138
	139	static inline int chardev_size(struct fio_file f, unsigned long long bytes)
	140	{
	141	return blockdev_size(f, bytes);
	142	}
	143
	144	static inline int blockdev_invalidate_cache(struct fio_file *f)
	145	{
22de5d77	146	return ENOTSUP;
93bcfd20 BC	147	}
	148
	149	static inline unsigned long long os_phys_mem(void)
	150	{
01d26955	151	long pagesize, pages;
93bcfd20	152
01d26955 BC	153	pagesize = sysconf(_SC_PAGESIZE);
	154	pages = sysconf(_SC_PHYS_PAGES);
	155	if (pages == -1 \|\| pagesize == -1)
	156	return 0;
	157
	158	return (unsigned long long) pages * (unsigned long long) pagesize;
93bcfd20 BC	159	}
93bcfd20 BC	160
93bcfd20 BC	161	static inline int gettid(void)
	162	{
	163	return GetCurrentThreadId();
	164	}
	165
1ed84d86	166	static inline int init_random_seeds(unsigned long *rand_seeds, int size)
93bcfd20 BC	167	{
	168	HCRYPTPROV hCryptProv;
	169
	170	if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
	171	{
	172	errno = GetLastError();
	173	log_err("CryptAcquireContext() failed: error %d\n", errno);
	174	return 1;
	175	}
	176
	177	if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) {
	178	errno = GetLastError();
	179	log_err("CryptGenRandom() failed, error %d\n", errno);
	180	CryptReleaseContext(hCryptProv, 0);
	181	return 1;
	182	}
	183
	184	CryptReleaseContext(hCryptProv, 0);
93bcfd20 BC	185	return 0;
	186	}
	187
f2a2ce0e HL	188	static inline int fio_set_sched_idle(void)
	189	{
	190	/* SetThreadPriority returns nonzero for success */
	191	return (SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE))? 0 : -1;
	192	}
	193
dac7244b	194	#include "os-windows-xp.h"
f2a2ce0e	195
93bcfd20	196	#endif /* FIO_OS_WINDOWS_H */