blob: 4f4e2bb38e74994e4c42a8c5e3c38885174b8a7a [file] [log] [blame]
#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 "windows/posix.h"
#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 CLOCK_REALTIME 1
#define CLOCK_MONOTONIC 2
#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);
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;
LARGE_INTEGER size;
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;
}
size.QuadPart = 0;
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 void os_get_tmpdir(char *path, int len)
{
GetTempPath(len, path);
}
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_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 */