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_GETTID
24 #define FIO_HAVE_CLOCK_MONOTONIC
25 #define FIO_USE_GENERIC_RAND
27 #define FIO_PREFERRED_ENGINE "windowsaio"
28 #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
29 #define FIO_OS_PATH_SEPARATOR "\\"
31 #define FIO_MAX_CPUS MAXIMUM_PROCESSORS
33 #define FIO_OS_HAVE_SOCKLEN_T
34 typedef int fio_socklen_t;
36 #define OS_MAP_ANON MAP_ANON
38 #define FIO_LITTLE_ENDIAN
39 #define fio_swap16(x) _byteswap_ushort(x)
40 #define fio_swap32(x) _byteswap_ulong(x)
41 #define fio_swap64(x) _byteswap_uint64(x)
43 typedef off_t off64_t;
44 typedef int clockid_t;
46 typedef DWORD_PTR os_cpu_mask_t;
48 #define CLOCK_REALTIME 1
49 #define CLOCK_MONOTONIC 2
51 #define _SC_PAGESIZE 0x1
52 #define _SC_NPROCESSORS_ONLN 0x2
53 #define _SC_PHYS_PAGES 0x4
59 * Windows doesn't have O_DIRECT or O_SYNC, so define them
60 * here so we can reject them at runtime when using the _open
61 * interface (windowsaio uses CreateFile)
63 #define O_DIRECT 0x1000000
64 #define O_SYNC 0x2000000
66 /* Windows doesn't support madvise, so any values will work */
67 #define POSIX_MADV_DONTNEED 0
68 #define POSIX_MADV_SEQUENTIAL 0
69 #define POSIX_MADV_RANDOM 0
73 #define O_NONBLOCK FIONBIO
75 /* Winsock doesn't support MSG_WAIT */
76 #define OS_MSG_DONTWAIT 0
86 typedef int siginfo_t;
90 void (*sa_handler)(int);
93 void* (*sa_sigaction)(int, siginfo_t *, void*);
96 char *strsep(char **stringp, const char *delim);
97 long sysconf(int name);
99 int kill(pid_t pid, int sig);
101 int setgid(gid_t gid);
102 int setuid(uid_t uid);
104 int sigaction(int sig, const struct sigaction *act,
105 struct sigaction *oact);
106 int fsync(int fildes);
108 int fcntl(int fildes, int cmd, ...);
109 int fdatasync(int fildes);
110 int lstat(const char * path, struct stat * 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,
116 extern void td_fill_rand_seeds(struct thread_data *);
118 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
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);
130 GET_LENGTH_INFORMATION info;
134 if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
135 *bytes = info.Length.QuadPart;
139 /* If we were passed a POSIX fd,
140 * close the HANDLE we created via CreateFile */
141 if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
147 static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
149 return blockdev_size(f, bytes);
152 static inline int blockdev_invalidate_cache(struct fio_file *f)
154 /* There's no way to invalidate the cache in Windows
155 * so just pretend to succeed */
159 static inline unsigned long long os_phys_mem(void)
164 GetSystemInfo(&sysInfo);
165 addr = (uintptr_t)sysInfo.lpMaximumApplicationAddress;
166 return (unsigned long long)addr;
169 static inline void os_get_tmpdir(char *path, int len)
171 GetTempPath(len, path);
174 static inline int gettid(void)
176 return GetCurrentThreadId();
179 static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
182 BOOL bSuccess = FALSE;
184 h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid);
186 bSuccess = SetThreadAffinityMask(h, cpumask);
190 return (bSuccess)? 0 : -1;
193 static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)
195 os_cpu_mask_t systemMask;
197 HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid);
200 GetProcessAffinityMask(h, mask, &systemMask);
203 log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid);
207 static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu)
209 *mask ^= 1 << (cpu-1);
212 static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu)
214 *mask |= 1 << (cpu-1);
217 static inline int fio_cpuset_init(os_cpu_mask_t *mask)
223 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
228 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
230 HCRYPTPROV hCryptProv;
232 if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
234 errno = GetLastError();
235 log_err("CryptAcquireContext() failed: error %d\n", errno);
239 if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) {
240 errno = GetLastError();
241 log_err("CryptGenRandom() failed, error %d\n", errno);
242 CryptReleaseContext(hCryptProv, 0);
246 CryptReleaseContext(hCryptProv, 0);
247 td_fill_rand_seeds(td);
252 #endif /* FIO_OS_WINDOWS_H */