[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 "../lib/strcasestr.h"

#include "windows/posix.h"

#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 FIO_MAX_CPUS	MAXIMUM_PROCESSORS

#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)

typedef DWORD_PTR os_cpu_mask_t;

#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 POLLOUT	1
#define POLLIN	2
#define POLLERR	0
#define POLLHUP	1

#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);
extern void td_fill_rand_seeds(struct thread_data *);

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)
{
	/* There's no way to invalidate the cache in Windows
	 * so just pretend to succeed */
	return 0;
}

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 fio_setaffinity(int pid, os_cpu_mask_t cpumask)
{
	HANDLE h;
	BOOL bSuccess = FALSE;

	h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid);
	if (h != NULL) {
		bSuccess = SetThreadAffinityMask(h, cpumask);
		if (!bSuccess)
			log_err("fio_setaffinity failed: failed to set thread affinity (pid %d, mask %.16llx)\n", pid, cpumask);

		CloseHandle(h);
	} else {
		log_err("fio_setaffinity failed: failed to get handle for pid %d\n", pid);
	}

	return (bSuccess)? 0 : -1;
}

static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)
{
	os_cpu_mask_t systemMask;

	HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid);

	if (h != NULL) {
		GetProcessAffinityMask(h, mask, &systemMask);
		CloseHandle(h);
	} else {
		log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid);
	}
}

static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu)
{
	*mask ^= 1 << (cpu-1);
}

static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu)
{
	*mask |= 1 << cpu;
}

static inline int fio_cpu_isset(os_cpu_mask_t *mask, int cpu)
{
	return (*mask & (1U << cpu));
}

static inline int fio_cpu_count(os_cpu_mask_t *mask)
{
	return hweight64(*mask);
}

static inline int fio_cpuset_init(os_cpu_mask_t *mask)
{
	*mask = 0;
	return 0;
}

static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
{
	return 0;
}

static inline int init_random_state(struct thread_data *td, 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);
	td_fill_rand_seeds(td);
	return 0;
}


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


#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"
36a6ac70	19	#include "../lib/strcasestr.h"
93bcfd20	20
1f81991e JA	21	#include "windows/posix.h"
1f81991e JA	22
f16b7405 BC	23	#ifndef PTHREAD_STACK_MIN
	24	#define PTHREAD_STACK_MIN 65535
	25	#endif
	26
93bcfd20 BC	27	#define FIO_HAVE_ODIRECT
	28	#define FIO_HAVE_CPU_AFFINITY
	29	#define FIO_HAVE_CHARDEV_SIZE
93bcfd20	30	#define FIO_HAVE_GETTID
93bcfd20 BC	31	#define FIO_USE_GENERIC_RAND
	32
	33	#define FIO_PREFERRED_ENGINE "windowsaio"
	34	#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
	35	#define FIO_OS_PATH_SEPARATOR "\\"
	36
	37	#define FIO_MAX_CPUS MAXIMUM_PROCESSORS
	38
93bcfd20 BC	39	#define OS_MAP_ANON MAP_ANON
93bcfd20 BC	40
93bcfd20 BC	41	#define fio_swap16(x) _byteswap_ushort(x)
	42	#define fio_swap32(x) _byteswap_ulong(x)
	43	#define fio_swap64(x) _byteswap_uint64(x)
	44
93bcfd20 BC	45	typedef DWORD_PTR os_cpu_mask_t;
93bcfd20 BC	46
93bcfd20 BC	47	#define _SC_PAGESIZE 0x1
	48	#define _SC_NPROCESSORS_ONLN 0x2
	49	#define _SC_PHYS_PAGES 0x4
	50
	51	#define SA_RESTART 0
	52	#define SIGPIPE 0
	53
	54	/*
	55	* Windows doesn't have O_DIRECT or O_SYNC, so define them
	56	* here so we can reject them at runtime when using the _open
	57	* interface (windowsaio uses CreateFile)
	58	*/
	59	#define O_DIRECT 0x1000000
	60	#define O_SYNC 0x2000000
	61
	62	/* Windows doesn't support madvise, so any values will work */
	63	#define POSIX_MADV_DONTNEED 0
	64	#define POSIX_MADV_SEQUENTIAL 0
	65	#define POSIX_MADV_RANDOM 0
	66
	67	#define F_SETFL 0x1
	68	#define F_GETFL 0x2
	69	#define O_NONBLOCK FIONBIO
	70
	71	/* Winsock doesn't support MSG_WAIT */
	72	#define OS_MSG_DONTWAIT 0
	73
	74	#define POLLOUT 1
	75	#define POLLIN 2
	76	#define POLLERR 0
	77	#define POLLHUP 1
	78
	79	#define SIGCONT 0
84306c1d	80	#define SIGUSR1 1
2277d5d5	81	#define SIGUSR2 2
93bcfd20 BC	82
	83	typedef int sigset_t;
	84	typedef int siginfo_t;
	85
	86	struct sigaction
	87	{
	88	void (*sa_handler)(int);
	89	sigset_t sa_mask;
	90	int sa_flags;
	91	void* (sa_sigaction)(int, siginfo_t , void*);
	92	};
	93
93bcfd20 BC	94	long sysconf(int name);
	95
	96	int kill(pid_t pid, int sig);
	97	pid_t setsid(void);
	98	int setgid(gid_t gid);
	99	int setuid(uid_t uid);
	100	int nice(int incr);
	101	int sigaction(int sig, const struct sigaction *act,
	102	struct sigaction *oact);
	103	int fsync(int fildes);
	104	int fork(void);
	105	int fcntl(int fildes, int cmd, ...);
	106	int fdatasync(int fildes);
	107	int lstat(const char * path, struct stat * buf);
	108	uid_t geteuid(void);
824d6ff4	109	char* ctime_r(const time_t t, char buf);
93bcfd20 BC	110	int nanosleep(const struct timespec rqtp, struct timespec rmtp);
	111	ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
	112	ssize_t pwrite(int fildes, const void *buf, size_t nbyte,
	113	off_t offset);
	114	extern void td_fill_rand_seeds(struct thread_data *);
	115
	116	static inline int blockdev_size(struct fio_file f, unsigned long long bytes)
	117	{
	118	int rc = 0;
	119	HANDLE hFile;
5aa23eb8 BC	120	GET_LENGTH_INFORMATION info;
5aa23eb8 BC	121	DWORD outBytes;
93bcfd20 BC	122
	123	if (f->hFile == NULL) {
	124	hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ \| FILE_SHARE_WRITE,
	125	NULL, OPEN_EXISTING, 0, NULL);
	126	} else {
	127	hFile = f->hFile;
	128	}
	129
93bcfd20 BC	130	if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
	131	*bytes = info.Length.QuadPart;
	132	else
	133	rc = EIO;
	134
	135	/* If we were passed a POSIX fd,
	136	* close the HANDLE we created via CreateFile */
	137	if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
	138	CloseHandle(hFile);
	139
	140	return rc;
	141	}
	142
	143	static inline int chardev_size(struct fio_file f, unsigned long long bytes)
	144	{
	145	return blockdev_size(f, bytes);
	146	}
	147
	148	static inline int blockdev_invalidate_cache(struct fio_file *f)
	149	{
	150	/* There's no way to invalidate the cache in Windows
	151	* so just pretend to succeed */
	152	return 0;
	153	}
	154
	155	static inline unsigned long long os_phys_mem(void)
	156	{
01d26955	157	long pagesize, pages;
93bcfd20	158
01d26955 BC	159	pagesize = sysconf(_SC_PAGESIZE);
	160	pages = sysconf(_SC_PHYS_PAGES);
	161	if (pages == -1 \|\| pagesize == -1)
	162	return 0;
	163
	164	return (unsigned long long) pages * (unsigned long long) pagesize;
93bcfd20 BC	165	}
93bcfd20 BC	166
93bcfd20 BC	167	static inline int gettid(void)
	168	{
	169	return GetCurrentThreadId();
	170	}
	171
	172	static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
	173	{
	174	HANDLE h;
	175	BOOL bSuccess = FALSE;
	176
	177	h = OpenThread(THREAD_QUERY_INFORMATION \| THREAD_SET_INFORMATION, TRUE, pid);
	178	if (h != NULL) {
	179	bSuccess = SetThreadAffinityMask(h, cpumask);
3cf1ff44 BC	180	if (!bSuccess)
	181	log_err("fio_setaffinity failed: failed to set thread affinity (pid %d, mask %.16llx)\n", pid, cpumask);
	182
93bcfd20	183	CloseHandle(h);
3cf1ff44 BC	184	} else {
3cf1ff44 BC	185	log_err("fio_setaffinity failed: failed to get handle for pid %d\n", pid);
93bcfd20 BC	186	}
	187
	188	return (bSuccess)? 0 : -1;
	189	}
	190
	191	static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)
	192	{
	193	os_cpu_mask_t systemMask;
	194
	195	HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid);
	196
	197	if (h != NULL) {
	198	GetProcessAffinityMask(h, mask, &systemMask);
	199	CloseHandle(h);
	200	} else {
	201	log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid);
	202	}
	203	}
	204
	205	static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu)
	206	{
	207	*mask ^= 1 << (cpu-1);
	208	}
	209
	210	static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu)
	211	{
3cf1ff44	212	*mask \|= 1 << cpu;
93bcfd20 BC	213	}
93bcfd20 BC	214
50b5860b JA	215	static inline int fio_cpu_isset(os_cpu_mask_t *mask, int cpu)
	216	{
	217	return (*mask & (1U << cpu));
	218	}
	219
a1fc70fb	220	static inline int fio_cpu_count(os_cpu_mask_t *mask)
c2acfbac JA	221	{
	222	return hweight64(*mask);
	223	}
	224
93bcfd20 BC	225	static inline int fio_cpuset_init(os_cpu_mask_t *mask)
	226	{
	227	*mask = 0;
	228	return 0;
	229	}
	230
	231	static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
	232	{
	233	return 0;
	234	}
	235
	236	static inline int init_random_state(struct thread_data td, unsigned long rand_seeds, int size)
	237	{
	238	HCRYPTPROV hCryptProv;
	239
	240	if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
	241	{
	242	errno = GetLastError();
	243	log_err("CryptAcquireContext() failed: error %d\n", errno);
	244	return 1;
	245	}
	246
	247	if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) {
	248	errno = GetLastError();
	249	log_err("CryptGenRandom() failed, error %d\n", errno);
	250	CryptReleaseContext(hCryptProv, 0);
	251	return 1;
	252	}
	253
	254	CryptReleaseContext(hCryptProv, 0);
	255	td_fill_rand_seeds(td);
	256	return 0;
	257	}
	258
	259
f2a2ce0e HL	260	static inline int fio_set_sched_idle(void)
	261	{
	262	/* SetThreadPriority returns nonzero for success */
	263	return (SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE))? 0 : -1;
	264	}
	265
	266
93bcfd20	267	#endif /* FIO_OS_WINDOWS_H */