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93bcfd20 BC |
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> | |
5aa23eb8 | 10 | #include <winsock2.h> |
93bcfd20 BC |
11 | #include <windows.h> |
12 | #include <psapi.h> | |
13 | #include <stdlib.h> | |
14 | ||
15 | #include "../smalloc.h" | |
16 | #include "../file.h" | |
17 | #include "../log.h" | |
18 | ||
1f81991e JA |
19 | #include "windows/posix.h" |
20 | ||
93bcfd20 BC |
21 | #define FIO_HAVE_ODIRECT |
22 | #define FIO_HAVE_CPU_AFFINITY | |
23 | #define FIO_HAVE_CHARDEV_SIZE | |
93bcfd20 | 24 | #define FIO_HAVE_GETTID |
93bcfd20 BC |
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 | ||
93bcfd20 BC |
33 | #define OS_MAP_ANON MAP_ANON |
34 | ||
93bcfd20 BC |
35 | #define fio_swap16(x) _byteswap_ushort(x) |
36 | #define fio_swap32(x) _byteswap_ulong(x) | |
37 | #define fio_swap64(x) _byteswap_uint64(x) | |
38 | ||
93bcfd20 BC |
39 | typedef DWORD_PTR os_cpu_mask_t; |
40 | ||
41 | #define CLOCK_REALTIME 1 | |
42 | #define CLOCK_MONOTONIC 2 | |
43 | ||
44 | #define _SC_PAGESIZE 0x1 | |
45 | #define _SC_NPROCESSORS_ONLN 0x2 | |
46 | #define _SC_PHYS_PAGES 0x4 | |
47 | ||
48 | #define SA_RESTART 0 | |
49 | #define SIGPIPE 0 | |
50 | ||
51 | /* | |
52 | * Windows doesn't have O_DIRECT or O_SYNC, so define them | |
53 | * here so we can reject them at runtime when using the _open | |
54 | * interface (windowsaio uses CreateFile) | |
55 | */ | |
56 | #define O_DIRECT 0x1000000 | |
57 | #define O_SYNC 0x2000000 | |
58 | ||
59 | /* Windows doesn't support madvise, so any values will work */ | |
60 | #define POSIX_MADV_DONTNEED 0 | |
61 | #define POSIX_MADV_SEQUENTIAL 0 | |
62 | #define POSIX_MADV_RANDOM 0 | |
63 | ||
64 | #define F_SETFL 0x1 | |
65 | #define F_GETFL 0x2 | |
66 | #define O_NONBLOCK FIONBIO | |
67 | ||
68 | /* Winsock doesn't support MSG_WAIT */ | |
69 | #define OS_MSG_DONTWAIT 0 | |
70 | ||
71 | #define POLLOUT 1 | |
72 | #define POLLIN 2 | |
73 | #define POLLERR 0 | |
74 | #define POLLHUP 1 | |
75 | ||
76 | #define SIGCONT 0 | |
84306c1d | 77 | #define SIGUSR1 1 |
2277d5d5 | 78 | #define SIGUSR2 2 |
93bcfd20 BC |
79 | |
80 | typedef int sigset_t; | |
81 | typedef int siginfo_t; | |
82 | ||
83 | struct sigaction | |
84 | { | |
85 | void (*sa_handler)(int); | |
86 | sigset_t sa_mask; | |
87 | int sa_flags; | |
88 | void* (*sa_sigaction)(int, siginfo_t *, void*); | |
89 | }; | |
90 | ||
93bcfd20 BC |
91 | long sysconf(int name); |
92 | ||
93 | int kill(pid_t pid, int sig); | |
94 | pid_t setsid(void); | |
95 | int setgid(gid_t gid); | |
96 | int setuid(uid_t uid); | |
97 | int nice(int incr); | |
98 | int sigaction(int sig, const struct sigaction *act, | |
99 | struct sigaction *oact); | |
100 | int fsync(int fildes); | |
101 | int fork(void); | |
102 | int fcntl(int fildes, int cmd, ...); | |
103 | int fdatasync(int fildes); | |
104 | int lstat(const char * path, struct stat * buf); | |
105 | uid_t geteuid(void); | |
106 | int nanosleep(const struct timespec *rqtp, struct timespec *rmtp); | |
107 | ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset); | |
108 | ssize_t pwrite(int fildes, const void *buf, size_t nbyte, | |
109 | off_t offset); | |
110 | extern void td_fill_rand_seeds(struct thread_data *); | |
111 | ||
112 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) | |
113 | { | |
114 | int rc = 0; | |
115 | HANDLE hFile; | |
5aa23eb8 BC |
116 | GET_LENGTH_INFORMATION info; |
117 | DWORD outBytes; | |
118 | LARGE_INTEGER size; | |
93bcfd20 BC |
119 | |
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); | |
123 | } else { | |
124 | hFile = f->hFile; | |
125 | } | |
126 | ||
93bcfd20 BC |
127 | size.QuadPart = 0; |
128 | if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL)) | |
129 | *bytes = info.Length.QuadPart; | |
130 | else | |
131 | rc = EIO; | |
132 | ||
133 | /* If we were passed a POSIX fd, | |
134 | * close the HANDLE we created via CreateFile */ | |
135 | if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL) | |
136 | CloseHandle(hFile); | |
137 | ||
138 | return rc; | |
139 | } | |
140 | ||
141 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) | |
142 | { | |
143 | return blockdev_size(f, bytes); | |
144 | } | |
145 | ||
146 | static inline int blockdev_invalidate_cache(struct fio_file *f) | |
147 | { | |
148 | /* There's no way to invalidate the cache in Windows | |
149 | * so just pretend to succeed */ | |
150 | return 0; | |
151 | } | |
152 | ||
153 | static inline unsigned long long os_phys_mem(void) | |
154 | { | |
01d26955 | 155 | long pagesize, pages; |
93bcfd20 | 156 | |
01d26955 BC |
157 | pagesize = sysconf(_SC_PAGESIZE); |
158 | pages = sysconf(_SC_PHYS_PAGES); | |
159 | if (pages == -1 || pagesize == -1) | |
160 | return 0; | |
161 | ||
162 | return (unsigned long long) pages * (unsigned long long) pagesize; | |
93bcfd20 BC |
163 | } |
164 | ||
165 | static inline void os_get_tmpdir(char *path, int len) | |
166 | { | |
167 | GetTempPath(len, path); | |
168 | } | |
169 | ||
170 | static inline int gettid(void) | |
171 | { | |
172 | return GetCurrentThreadId(); | |
173 | } | |
174 | ||
175 | static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask) | |
176 | { | |
177 | HANDLE h; | |
178 | BOOL bSuccess = FALSE; | |
179 | ||
180 | h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid); | |
181 | if (h != NULL) { | |
182 | bSuccess = SetThreadAffinityMask(h, cpumask); | |
3cf1ff44 BC |
183 | if (!bSuccess) |
184 | log_err("fio_setaffinity failed: failed to set thread affinity (pid %d, mask %.16llx)\n", pid, cpumask); | |
185 | ||
93bcfd20 | 186 | CloseHandle(h); |
3cf1ff44 BC |
187 | } else { |
188 | log_err("fio_setaffinity failed: failed to get handle for pid %d\n", pid); | |
93bcfd20 BC |
189 | } |
190 | ||
191 | return (bSuccess)? 0 : -1; | |
192 | } | |
193 | ||
194 | static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask) | |
195 | { | |
196 | os_cpu_mask_t systemMask; | |
197 | ||
198 | HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid); | |
199 | ||
200 | if (h != NULL) { | |
201 | GetProcessAffinityMask(h, mask, &systemMask); | |
202 | CloseHandle(h); | |
203 | } else { | |
204 | log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid); | |
205 | } | |
206 | } | |
207 | ||
208 | static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu) | |
209 | { | |
210 | *mask ^= 1 << (cpu-1); | |
211 | } | |
212 | ||
213 | static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu) | |
214 | { | |
3cf1ff44 | 215 | *mask |= 1 << cpu; |
93bcfd20 BC |
216 | } |
217 | ||
218 | static inline int fio_cpuset_init(os_cpu_mask_t *mask) | |
219 | { | |
220 | *mask = 0; | |
221 | return 0; | |
222 | } | |
223 | ||
224 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask) | |
225 | { | |
226 | return 0; | |
227 | } | |
228 | ||
229 | static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size) | |
230 | { | |
231 | HCRYPTPROV hCryptProv; | |
232 | ||
233 | if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) | |
234 | { | |
235 | errno = GetLastError(); | |
236 | log_err("CryptAcquireContext() failed: error %d\n", errno); | |
237 | return 1; | |
238 | } | |
239 | ||
240 | if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) { | |
241 | errno = GetLastError(); | |
242 | log_err("CryptGenRandom() failed, error %d\n", errno); | |
243 | CryptReleaseContext(hCryptProv, 0); | |
244 | return 1; | |
245 | } | |
246 | ||
247 | CryptReleaseContext(hCryptProv, 0); | |
248 | td_fill_rand_seeds(td); | |
249 | return 0; | |
250 | } | |
251 | ||
252 | ||
f2a2ce0e HL |
253 | static inline int fio_set_sched_idle(void) |
254 | { | |
255 | /* SetThreadPriority returns nonzero for success */ | |
256 | return (SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE))? 0 : -1; | |
257 | } | |
258 | ||
259 | ||
93bcfd20 | 260 | #endif /* FIO_OS_WINDOWS_H */ |