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_swap16(x) _byteswap_ushort(x)
36 #define fio_swap32(x) _byteswap_ulong(x)
37 #define fio_swap64(x) _byteswap_uint64(x)
39 typedef off_t off64_t;
40 typedef int clockid_t;
42 typedef DWORD_PTR os_cpu_mask_t;
44 #define CLOCK_REALTIME 1
45 #define CLOCK_MONOTONIC 2
47 #define _SC_PAGESIZE 0x1
48 #define _SC_NPROCESSORS_ONLN 0x2
49 #define _SC_PHYS_PAGES 0x4
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)
59 #define O_DIRECT 0x1000000
60 #define O_SYNC 0x2000000
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
69 #define O_NONBLOCK FIONBIO
71 /* Winsock doesn't support MSG_WAIT */
72 #define OS_MSG_DONTWAIT 0
84 typedef int siginfo_t;
88 void (*sa_handler)(int);
91 void* (*sa_sigaction)(int, siginfo_t *, void*);
94 long sysconf(int name);
96 int kill(pid_t pid, int sig);
98 int setgid(gid_t gid);
99 int setuid(uid_t uid);
101 int sigaction(int sig, const struct sigaction *act,
102 struct sigaction *oact);
103 int fsync(int fildes);
105 int fcntl(int fildes, int cmd, ...);
106 int fdatasync(int fildes);
107 int lstat(const char * path, struct stat * buf);
109 int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
110 ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
111 ssize_t pwrite(int fildes, const void *buf, size_t nbyte,
113 extern void td_fill_rand_seeds(struct thread_data *);
115 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
120 if (f->hFile == NULL) {
121 hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
122 NULL, OPEN_EXISTING, 0, NULL);
127 GET_LENGTH_INFORMATION info;
131 if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
132 *bytes = info.Length.QuadPart;
136 /* If we were passed a POSIX fd,
137 * close the HANDLE we created via CreateFile */
138 if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
144 static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
146 return blockdev_size(f, bytes);
149 static inline int blockdev_invalidate_cache(struct fio_file *f)
151 /* There's no way to invalidate the cache in Windows
152 * so just pretend to succeed */
156 static inline unsigned long long os_phys_mem(void)
161 GetSystemInfo(&sysInfo);
162 addr = (uintptr_t)sysInfo.lpMaximumApplicationAddress;
163 return (unsigned long long)addr;
166 static inline void os_get_tmpdir(char *path, int len)
168 GetTempPath(len, path);
171 static inline int gettid(void)
173 return GetCurrentThreadId();
176 static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
179 BOOL bSuccess = FALSE;
181 h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid);
183 bSuccess = SetThreadAffinityMask(h, cpumask);
185 log_err("fio_setaffinity failed: failed to set thread affinity (pid %d, mask %.16llx)\n", pid, cpumask);
189 log_err("fio_setaffinity failed: failed to get handle for pid %d\n", pid);
192 return (bSuccess)? 0 : -1;
195 static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)
197 os_cpu_mask_t systemMask;
199 HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid);
202 GetProcessAffinityMask(h, mask, &systemMask);
205 log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid);
209 static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu)
211 *mask ^= 1 << (cpu-1);
214 static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu)
219 static inline int fio_cpuset_init(os_cpu_mask_t *mask)
225 static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
230 static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
232 HCRYPTPROV hCryptProv;
234 if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
236 errno = GetLastError();
237 log_err("CryptAcquireContext() failed: error %d\n", errno);
241 if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) {
242 errno = GetLastError();
243 log_err("CryptGenRandom() failed, error %d\n", errno);
244 CryptReleaseContext(hCryptProv, 0);
248 CryptReleaseContext(hCryptProv, 0);
249 td_fill_rand_seeds(td);
254 #endif /* FIO_OS_WINDOWS_H */