Bruce Cran | 93bcfd2 | 2012-02-20 20:18:19 +0100 | [diff] [blame^] | 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 */ |