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_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 OS_MAP_ANON MAP_ANON
35 #define FIO_LITTLE_ENDIAN
36 #define fio_swap16(x) _byteswap_ushort(x)
37 #define fio_swap32(x) _byteswap_ulong(x)
38 #define fio_swap64(x) _byteswap_uint64(x)
40 typedef off_t off64_t;
41 typedef int clockid_t;
43 typedef DWORD_PTR os_cpu_mask_t;
45 #define CLOCK_REALTIME 1
46 #define CLOCK_MONOTONIC 2
48 #define _SC_PAGESIZE 0x1
49 #define _SC_NPROCESSORS_ONLN 0x2
50 #define _SC_PHYS_PAGES 0x4
56 * Windows doesn't have O_DIRECT or O_SYNC, so define them
57 * here so we can reject them at runtime when using the _open
58 * interface (windowsaio uses CreateFile)
60 #define O_DIRECT 0x1000000
61 #define O_SYNC 0x2000000
63 /* Windows doesn't support madvise, so any values will work */
64 #define POSIX_MADV_DONTNEED 0
65 #define POSIX_MADV_SEQUENTIAL 0
66 #define POSIX_MADV_RANDOM 0
70 #define O_NONBLOCK FIONBIO
72 /* Winsock doesn't support MSG_WAIT */
73 #define OS_MSG_DONTWAIT 0
85 typedef int siginfo_t;
89 void (*sa_handler)(int);
92 void* (*sa_sigaction)(int, siginfo_t *, void*);
95 long sysconf(int name);
97 int kill(pid_t pid, int sig);
99 int setgid(gid_t gid);
100 int setuid(uid_t uid);
102 int sigaction(int sig, const struct sigaction *act,
103 struct sigaction *oact);
104 int fsync(int fildes);
106 int fcntl(int fildes, int cmd, ...);
107 int fdatasync(int fildes);
108 int lstat(const char * path, struct stat * buf);
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,
114 extern void td_fill_rand_seeds(struct thread_data *);
116 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
121 if (f->hFile == NULL) {
122 hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
123 NULL, OPEN_EXISTING, 0, NULL);
128 GET_LENGTH_INFORMATION info;
132 if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
133 *bytes = info.Length.QuadPart;
137 /* If we were passed a POSIX fd,
138 * close the HANDLE we created via CreateFile */
139 if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
145 static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
147 return blockdev_size(f, bytes);
150 static inline int blockdev_invalidate_cache(struct fio_file *f)
152 /* There's no way to invalidate the cache in Windows
153 * so just pretend to succeed */
157 static inline unsigned long long os_phys_mem(void)
162 GetSystemInfo(&sysInfo);
163 addr = (uintptr_t)sysInfo.lpMaximumApplicationAddress;
164 return (unsigned long long)addr;
167 static inline void os_get_tmpdir(char *path, int len)
169 GetTempPath(len, path);
172 static inline int gettid(void)
174 return GetCurrentThreadId();
177 static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
180 BOOL bSuccess = FALSE;
182 h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid);
184 bSuccess = SetThreadAffinityMask(h, cpumask);
186 log_err("fio_setaffinity failed: failed to set thread affinity (pid %d, mask %.16llx)\n", pid, cpumask);
190 log_err("fio_setaffinity failed: failed to get handle for pid %d\n", pid);
193 return (bSuccess)? 0 : -1;
196 static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)
198 os_cpu_mask_t systemMask;
200 HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid);
203 GetProcessAffinityMask(h, mask, &systemMask);
206 log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid);
210 static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu)
212 *mask ^= 1 << (cpu-1);
215 static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu)
220 static inline int fio_cpuset_init(os_cpu_mask_t *mask)
226 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
231 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
233 HCRYPTPROV hCryptProv;
235 if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
237 errno = GetLastError();
238 log_err("CryptAcquireContext() failed: error %d\n", errno);
242 if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) {
243 errno = GetLastError();
244 log_err("CryptGenRandom() failed, error %d\n", errno);
245 CryptReleaseContext(hCryptProv, 0);
249 CryptReleaseContext(hCryptProv, 0);
250 td_fill_rand_seeds(td);
255 #endif /* FIO_OS_WINDOWS_H */