1 #ifndef FIO_OS_WINDOWS_H
2 #define FIO_OS_WINDOWS_H
4 #define FIO_OS os_windows
14 #include "../smalloc.h"
18 #define FIO_HAVE_ODIRECT
19 #define FIO_HAVE_CPU_AFFINITY
20 #define FIO_HAVE_CHARDEV_SIZE
21 #define FIO_HAVE_FDATASYNC
22 #define FIO_HAVE_WINDOWSAIO
23 #define FIO_HAVE_FALLOCATE
24 #define FIO_HAVE_GETTID
25 #define FIO_HAVE_CLOCK_MONOTONIC
26 #define FIO_HAVE_FADVISE
27 #define FIO_USE_GENERIC_RAND
29 #define FIO_PREFERRED_ENGINE "windowsaio"
30 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
31 #define FIO_OS_PATH_SEPARATOR "\\"
33 #define FIO_MAX_CPUS MAXIMUM_PROCESSORS
35 #define FIO_OS_HAVE_SOCKLEN_T
36 typedef int fio_socklen_t;
38 #define OS_MAP_ANON MAP_ANON
40 #define FIO_LITTLE_ENDIAN
41 #define fio_swap16(x) _byteswap_ushort(x)
42 #define fio_swap32(x) _byteswap_ulong(x)
43 #define fio_swap64(x) _byteswap_uint64(x)
45 typedef off_t off64_t;
46 typedef int clockid_t;
48 typedef DWORD_PTR os_cpu_mask_t;
50 #define CLOCK_REALTIME 1
51 #define CLOCK_MONOTONIC 2
53 #define _SC_PAGESIZE 0x1
54 #define _SC_NPROCESSORS_ONLN 0x2
55 #define _SC_PHYS_PAGES 0x4
61 * Windows doesn't have O_DIRECT or O_SYNC, so define them
62 * here so we can reject them at runtime when using the _open
63 * interface (windowsaio uses CreateFile)
65 #define O_DIRECT 0x1000000
66 #define O_SYNC 0x2000000
68 /* Windows doesn't support madvise, so any values will work */
69 #define POSIX_MADV_DONTNEED 0
70 #define POSIX_MADV_SEQUENTIAL 0
71 #define POSIX_MADV_RANDOM 0
75 #define O_NONBLOCK FIONBIO
77 /* Winsock doesn't support MSG_WAIT */
78 #define OS_MSG_DONTWAIT 0
90 typedef int siginfo_t;
94 void (*sa_handler)(int);
97 void* (*sa_sigaction)(int, siginfo_t *, void*);
100 char *strsep(char **stringp, const char *delim);
101 long sysconf(int name);
103 int kill(pid_t pid, int sig);
105 int setgid(gid_t gid);
106 int setuid(uid_t uid);
108 int sigaction(int sig, const struct sigaction *act,
109 struct sigaction *oact);
110 int fsync(int fildes);
112 int fcntl(int fildes, int cmd, ...);
113 int fdatasync(int fildes);
114 int lstat(const char * path, struct stat * buf);
116 int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
117 ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
118 ssize_t pwrite(int fildes, const void *buf, size_t nbyte,
120 extern void td_fill_rand_seeds(struct thread_data *);
122 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
127 if (f->hFile == NULL) {
128 hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
129 NULL, OPEN_EXISTING, 0, NULL);
134 GET_LENGTH_INFORMATION info;
138 if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
139 *bytes = info.Length.QuadPart;
143 /* If we were passed a POSIX fd,
144 * close the HANDLE we created via CreateFile */
145 if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
151 static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
153 return blockdev_size(f, bytes);
156 static inline int blockdev_invalidate_cache(struct fio_file *f)
158 /* There's no way to invalidate the cache in Windows
159 * so just pretend to succeed */
163 static inline unsigned long long os_phys_mem(void)
168 GetSystemInfo(&sysInfo);
169 addr = (uintptr_t)sysInfo.lpMaximumApplicationAddress;
170 return (unsigned long long)addr;
173 static inline void os_get_tmpdir(char *path, int len)
175 GetTempPath(len, path);
178 static inline int gettid(void)
180 return GetCurrentThreadId();
183 static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
186 BOOL bSuccess = FALSE;
188 h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid);
190 bSuccess = SetThreadAffinityMask(h, cpumask);
194 return (bSuccess)? 0 : -1;
197 static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)
199 os_cpu_mask_t systemMask;
201 HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid);
204 GetProcessAffinityMask(h, mask, &systemMask);
207 log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid);
211 static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu)
213 *mask ^= 1 << (cpu-1);
216 static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu)
218 *mask |= 1 << (cpu-1);
221 static inline int fio_cpuset_init(os_cpu_mask_t *mask)
227 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
232 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
234 HCRYPTPROV hCryptProv;
236 if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
238 errno = GetLastError();
239 log_err("CryptAcquireContext() failed: error %d\n", errno);
243 if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) {
244 errno = GetLastError();
245 log_err("CryptGenRandom() failed, error %d\n", errno);
246 CryptReleaseContext(hCryptProv, 0);
250 CryptReleaseContext(hCryptProv, 0);
251 td_fill_rand_seeds(td);
256 #endif /* FIO_OS_WINDOWS_H */