| 1 | #ifndef FIO_OS_WINDOWS_H\r |
| 2 | #define FIO_OS_WINDOWS_H\r |
| 3 | \r |
| 4 | #include <sys/types.h>\r |
| 5 | #include <errno.h>\r |
| 6 | #include <windows.h>\r |
| 7 | #include <psapi.h>\r |
| 8 | #include <stdlib.h>\r |
| 9 | \r |
| 10 | #include "../smalloc.h"\r |
| 11 | #include "../file.h"\r |
| 12 | #include "../log.h"\r |
| 13 | \r |
| 14 | #define FIO_HAVE_ODIRECT\r |
| 15 | #define FIO_HAVE_CPU_AFFINITY\r |
| 16 | #define FIO_HAVE_CHARDEV_SIZE\r |
| 17 | #define FIO_HAVE_FALLOCATE\r |
| 18 | #define FIO_HAVE_FDATASYNC\r |
| 19 | #define FIO_HAVE_WINDOWSAIO\r |
| 20 | #define FIO_HAVE_GETTID\r |
| 21 | \r |
| 22 | #define FIO_USE_GENERIC_RAND\r |
| 23 | \r |
| 24 | #define OS_MAP_ANON MAP_ANON\r |
| 25 | \r |
| 26 | #define OS_CLOCK CLOCK_REALTIME\r |
| 27 | \r |
| 28 | #define FIO_PREFERRED_ENGINE "windowsaio"\r |
| 29 | \r |
| 30 | #define FIO_LITTLE_ENDIAN\r |
| 31 | #define fio_swap16(x) _byteswap_ushort(x)\r |
| 32 | #define fio_swap32(x) _byteswap_ulong(x)\r |
| 33 | #define fio_swap64(x) _byteswap_uint64(x)\r |
| 34 | \r |
| 35 | typedef off_t off64_t;\r |
| 36 | \r |
| 37 | typedef struct {\r |
| 38 | LARGE_INTEGER Length;\r |
| 39 | } GET_LENGTH_INFORMATION;\r |
| 40 | \r |
| 41 | #define IOCTL_DISK_GET_LENGTH_INFO 0x7405C\r |
| 42 | \r |
| 43 | pid_t cygwin_winpid_to_pid(int winpid);\r |
| 44 | \r |
| 45 | static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)\r |
| 46 | {\r |
| 47 | int rc = 0;\r |
| 48 | HANDLE hFile;\r |
| 49 | \r |
| 50 | if (f->hFile == NULL) {\r |
| 51 | hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,\r |
| 52 | NULL, OPEN_EXISTING, 0, NULL);\r |
| 53 | } else {\r |
| 54 | hFile = f->hFile;\r |
| 55 | }\r |
| 56 | \r |
| 57 | GET_LENGTH_INFORMATION info;\r |
| 58 | DWORD outBytes;\r |
| 59 | LARGE_INTEGER size;\r |
| 60 | size.QuadPart = 0;\r |
| 61 | if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))\r |
| 62 | *bytes = info.Length.QuadPart;\r |
| 63 | else\r |
| 64 | rc = EIO;\r |
| 65 | \r |
| 66 | /* If we were passed a POSIX fd,\r |
| 67 | * close the HANDLE we created via CreateFile */\r |
| 68 | if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)\r |
| 69 | CloseHandle(hFile);\r |
| 70 | \r |
| 71 | return rc;\r |
| 72 | }\r |
| 73 | \r |
| 74 | static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)\r |
| 75 | {\r |
| 76 | return blockdev_size(f, bytes);\r |
| 77 | }\r |
| 78 | \r |
| 79 | static inline int blockdev_invalidate_cache(struct fio_file *f)\r |
| 80 | {\r |
| 81 | /* There's no way to invalidate the cache in Windows\r |
| 82 | * so just pretend to succeed */\r |
| 83 | return 0;\r |
| 84 | }\r |
| 85 | \r |
| 86 | static inline unsigned long long os_phys_mem(void)\r |
| 87 | {\r |
| 88 | SYSTEM_INFO sysInfo;\r |
| 89 | unsigned long addr;\r |
| 90 | GetSystemInfo(&sysInfo);\r |
| 91 | addr = (unsigned long)sysInfo.lpMaximumApplicationAddress;\r |
| 92 | return addr;\r |
| 93 | }\r |
| 94 | \r |
| 95 | static inline void os_get_tmpdir(char *path, int len)\r |
| 96 | {\r |
| 97 | GetTempPath(len, path);\r |
| 98 | }\r |
| 99 | \r |
| 100 | typedef DWORD_PTR os_cpu_mask_t;\r |
| 101 | \r |
| 102 | static inline int gettid(void)\r |
| 103 | {\r |
| 104 | return GetCurrentThreadId();\r |
| 105 | }\r |
| 106 | \r |
| 107 | static inline int pid_to_winpid(int pid)\r |
| 108 | {\r |
| 109 | int winpid = 0;\r |
| 110 | DWORD outbytes = 0;\r |
| 111 | DWORD *ids = NULL;\r |
| 112 | size_t allocsize;\r |
| 113 | \r |
| 114 | allocsize = sizeof(DWORD) * 1024;\r |
| 115 | \r |
| 116 | do {\r |
| 117 | if (allocsize == outbytes)\r |
| 118 | allocsize *= 2;\r |
| 119 | \r |
| 120 | ids = realloc(ids, allocsize);\r |
| 121 | EnumProcesses(ids, allocsize, &outbytes);\r |
| 122 | } while (allocsize == outbytes);\r |
| 123 | \r |
| 124 | for (int i = 0; i < (outbytes/sizeof(DWORD)); i++) {\r |
| 125 | if (cygwin_winpid_to_pid(ids[i]) == pid) {\r |
| 126 | winpid = ids[i];\r |
| 127 | break;\r |
| 128 | }\r |
| 129 | }\r |
| 130 | \r |
| 131 | free(ids);\r |
| 132 | return winpid;\r |
| 133 | }\r |
| 134 | \r |
| 135 | HANDLE WINAPI OpenThread(\r |
| 136 | DWORD dwDesiredAccess,\r |
| 137 | BOOL bInheritHandle,\r |
| 138 | DWORD dwThreadId);\r |
| 139 | \r |
| 140 | DWORD WINAPI GetProcessIdOfThread(HANDLE Thread);\r |
| 141 | \r |
| 142 | static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)\r |
| 143 | {\r |
| 144 | HANDLE h;\r |
| 145 | BOOL bSuccess;\r |
| 146 | int winpid;\r |
| 147 | \r |
| 148 | h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid);\r |
| 149 | if (h != NULL) {\r |
| 150 | bSuccess = SetThreadAffinityMask(h, cpumask);\r |
| 151 | } else {\r |
| 152 | // then we might have a process id instead of a thread id\r |
| 153 | winpid = pid_to_winpid(pid);\r |
| 154 | h = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_SET_INFORMATION, TRUE, winpid);\r |
| 155 | if (h == NULL)\r |
| 156 | return -1;\r |
| 157 | \r |
| 158 | bSuccess = SetProcessAffinityMask(h, cpumask);\r |
| 159 | }\r |
| 160 | \r |
| 161 | CloseHandle(h);\r |
| 162 | \r |
| 163 | return (bSuccess)? 0 : -1;\r |
| 164 | }\r |
| 165 | \r |
| 166 | static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)\r |
| 167 | {\r |
| 168 | os_cpu_mask_t systemMask;\r |
| 169 | int winpid;\r |
| 170 | \r |
| 171 | HANDLE h = OpenThread(THREAD_QUERY_INFORMATION, TRUE, pid);\r |
| 172 | if (h != NULL)\r |
| 173 | winpid = GetProcessIdOfThread(h);\r |
| 174 | else\r |
| 175 | winpid = pid_to_winpid(pid);\r |
| 176 | \r |
| 177 | h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, winpid);\r |
| 178 | \r |
| 179 | if (h != NULL) {\r |
| 180 | GetProcessAffinityMask(h, mask, &systemMask);\r |
| 181 | CloseHandle(h);\r |
| 182 | } else {\r |
| 183 | fprintf(stderr, "fio_getaffinity failed: failed to get handle for pid %d\n", pid);\r |
| 184 | }\r |
| 185 | \r |
| 186 | }\r |
| 187 | \r |
| 188 | static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu)\r |
| 189 | {\r |
| 190 | *mask ^= 1 << (cpu-1);\r |
| 191 | }\r |
| 192 | \r |
| 193 | static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu)\r |
| 194 | {\r |
| 195 | *mask |= 1 << (cpu-1);\r |
| 196 | }\r |
| 197 | \r |
| 198 | static inline int fio_cpuset_init(os_cpu_mask_t *mask)\r |
| 199 | {\r |
| 200 | *mask = 0;\r |
| 201 | return 0;\r |
| 202 | }\r |
| 203 | \r |
| 204 | static inline int fio_cpuset_exit(os_cpu_mask_t *mask)\r |
| 205 | {\r |
| 206 | return 0;\r |
| 207 | }\r |
| 208 | \r |
| 209 | #define FIO_MAX_CPUS MAXIMUM_PROCESSORS\r |
| 210 | \r |
| 211 | #ifdef MADV_FREE\r |
| 212 | #define FIO_MADV_FREE MADV_FREE\r |
| 213 | #endif\r |
| 214 | \r |
| 215 | #endif /* FIO_OS_WINDOWS_H */\r |