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1 | #ifndef FIO_OS_WINDOWS_H |
2 | #define FIO_OS_WINDOWS_H | |
3 | ||
4 | #define FIO_OS os_windows | |
5 | ||
6 | #include <sys/types.h> | |
7 | #include <sys/shm.h> | |
8 | #include <sys/stat.h> | |
9 | #include <errno.h> | |
10 | #include <windows.h> | |
11 | #include <psapi.h> | |
12 | #include <stdlib.h> | |
13 | ||
14 | #include "../smalloc.h" | |
15 | #include "../file.h" | |
16 | #include "../log.h" | |
17 | ||
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 | |
26 | ||
27 | #define FIO_PREFERRED_ENGINE "windowsaio" | |
28 | #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME | |
29 | #define FIO_OS_PATH_SEPARATOR "\\" | |
30 | ||
31 | #define FIO_MAX_CPUS MAXIMUM_PROCESSORS | |
32 | ||
33 | #define FIO_OS_HAVE_SOCKLEN_T | |
34 | typedef int fio_socklen_t; | |
35 | ||
36 | #define OS_MAP_ANON MAP_ANON | |
37 | ||
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) | |
42 | ||
43 | typedef off_t off64_t; | |
44 | typedef int clockid_t; | |
45 | ||
46 | typedef DWORD_PTR os_cpu_mask_t; | |
47 | ||
48 | #define CLOCK_REALTIME 1 | |
49 | #define CLOCK_MONOTONIC 2 | |
50 | ||
51 | #define _SC_PAGESIZE 0x1 | |
52 | #define _SC_NPROCESSORS_ONLN 0x2 | |
53 | #define _SC_PHYS_PAGES 0x4 | |
54 | ||
55 | #define SA_RESTART 0 | |
56 | #define SIGPIPE 0 | |
57 | ||
58 | /* | |
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) | |
62 | */ | |
63 | #define O_DIRECT 0x1000000 | |
64 | #define O_SYNC 0x2000000 | |
65 | ||
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 | |
70 | ||
71 | #define F_SETFL 0x1 | |
72 | #define F_GETFL 0x2 | |
73 | #define O_NONBLOCK FIONBIO | |
74 | ||
75 | /* Winsock doesn't support MSG_WAIT */ | |
76 | #define OS_MSG_DONTWAIT 0 | |
77 | ||
78 | #define POLLOUT 1 | |
79 | #define POLLIN 2 | |
80 | #define POLLERR 0 | |
81 | #define POLLHUP 1 | |
82 | ||
83 | #define SIGCONT 0 | |
84 | ||
85 | typedef int sigset_t; | |
86 | typedef int siginfo_t; | |
87 | ||
88 | struct sigaction | |
89 | { | |
90 | void (*sa_handler)(int); | |
91 | sigset_t sa_mask; | |
92 | int sa_flags; | |
93 | void* (*sa_sigaction)(int, siginfo_t *, void*); | |
94 | }; | |
95 | ||
96 | char *strsep(char **stringp, const char *delim); | |
97 | long sysconf(int name); | |
98 | ||
99 | int kill(pid_t pid, int sig); | |
100 | pid_t setsid(void); | |
101 | int setgid(gid_t gid); | |
102 | int setuid(uid_t uid); | |
103 | int nice(int incr); | |
104 | int sigaction(int sig, const struct sigaction *act, | |
105 | struct sigaction *oact); | |
106 | int fsync(int fildes); | |
107 | int fork(void); | |
108 | int fcntl(int fildes, int cmd, ...); | |
109 | int fdatasync(int fildes); | |
110 | int lstat(const char * path, struct stat * buf); | |
111 | uid_t geteuid(void); | |
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, | |
115 | off_t offset); | |
116 | extern void td_fill_rand_seeds(struct thread_data *); | |
117 | ||
118 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
119 | { | |
120 | int rc = 0; | |
121 | HANDLE hFile; | |
122 | ||
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); | |
126 | } else { | |
127 | hFile = f->hFile; | |
128 | } | |
129 | ||
130 | GET_LENGTH_INFORMATION info; | |
131 | DWORD outBytes; | |
132 | LARGE_INTEGER size; | |
133 | size.QuadPart = 0; | |
134 | if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL)) | |
135 | *bytes = info.Length.QuadPart; | |
136 | else | |
137 | rc = EIO; | |
138 | ||
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) | |
142 | CloseHandle(hFile); | |
143 | ||
144 | return rc; | |
145 | } | |
146 | ||
147 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) | |
148 | { | |
149 | return blockdev_size(f, bytes); | |
150 | } | |
151 | ||
152 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
153 | { | |
154 | /* There's no way to invalidate the cache in Windows | |
155 | * so just pretend to succeed */ | |
156 | return 0; | |
157 | } | |
158 | ||
159 | static inline unsigned long long os_phys_mem(void) | |
160 | { | |
161 | SYSTEM_INFO sysInfo; | |
162 | uintptr_t addr; | |
163 | ||
164 | GetSystemInfo(&sysInfo); | |
165 | addr = (uintptr_t)sysInfo.lpMaximumApplicationAddress; | |
166 | return (unsigned long long)addr; | |
167 | } | |
168 | ||
169 | static inline void os_get_tmpdir(char *path, int len) | |
170 | { | |
171 | GetTempPath(len, path); | |
172 | } | |
173 | ||
174 | static inline int gettid(void) | |
175 | { | |
176 | return GetCurrentThreadId(); | |
177 | } | |
178 | ||
179 | static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask) | |
180 | { | |
181 | HANDLE h; | |
182 | BOOL bSuccess = FALSE; | |
183 | ||
184 | h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid); | |
185 | if (h != NULL) { | |
186 | bSuccess = SetThreadAffinityMask(h, cpumask); | |
187 | CloseHandle(h); | |
188 | } | |
189 | ||
190 | return (bSuccess)? 0 : -1; | |
191 | } | |
192 | ||
193 | static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask) | |
194 | { | |
195 | os_cpu_mask_t systemMask; | |
196 | ||
197 | HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid); | |
198 | ||
199 | if (h != NULL) { | |
200 | GetProcessAffinityMask(h, mask, &systemMask); | |
201 | CloseHandle(h); | |
202 | } else { | |
203 | log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid); | |
204 | } | |
205 | } | |
206 | ||
207 | static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu) | |
208 | { | |
209 | *mask ^= 1 << (cpu-1); | |
210 | } | |
211 | ||
212 | static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu) | |
213 | { | |
214 | *mask |= 1 << (cpu-1); | |
215 | } | |
216 | ||
217 | static inline int fio_cpuset_init(os_cpu_mask_t *mask) | |
218 | { | |
219 | *mask = 0; | |
220 | return 0; | |
221 | } | |
222 | ||
223 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask) | |
224 | { | |
225 | return 0; | |
226 | } | |
227 | ||
228 | static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size) | |
229 | { | |
230 | HCRYPTPROV hCryptProv; | |
231 | ||
232 | if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) | |
233 | { | |
234 | errno = GetLastError(); | |
235 | log_err("CryptAcquireContext() failed: error %d\n", errno); | |
236 | return 1; | |
237 | } | |
238 | ||
239 | if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) { | |
240 | errno = GetLastError(); | |
241 | log_err("CryptGenRandom() failed, error %d\n", errno); | |
242 | CryptReleaseContext(hCryptProv, 0); | |
243 | return 1; | |
244 | } | |
245 | ||
246 | CryptReleaseContext(hCryptProv, 0); | |
247 | td_fill_rand_seeds(td); | |
248 | return 0; | |
249 | } | |
250 | ||
251 | ||
252 | #endif /* FIO_OS_WINDOWS_H */ |