| #ifndef FIO_OS_WINDOWS_H |
| #define FIO_OS_WINDOWS_H |
| |
| #define FIO_OS os_windows |
| |
| #include <sys/types.h> |
| #include <sys/shm.h> |
| #include <sys/stat.h> |
| #include <errno.h> |
| #include <winsock2.h> |
| #include <windows.h> |
| #include <psapi.h> |
| #include <stdlib.h> |
| |
| #include "../smalloc.h" |
| #include "../file.h" |
| #include "../log.h" |
| #include "../lib/hweight.h" |
| |
| #include "windows/posix.h" |
| |
| #ifndef PTHREAD_STACK_MIN |
| #define PTHREAD_STACK_MIN 65535 |
| #endif |
| |
| #define FIO_HAVE_ODIRECT |
| #define FIO_HAVE_CPU_AFFINITY |
| #define FIO_HAVE_CHARDEV_SIZE |
| #define FIO_HAVE_GETTID |
| #define FIO_USE_GENERIC_RAND |
| |
| #define FIO_PREFERRED_ENGINE "windowsaio" |
| #define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME |
| #define FIO_OS_PATH_SEPARATOR "\\" |
| |
| #define FIO_MAX_CPUS MAXIMUM_PROCESSORS |
| |
| #define OS_MAP_ANON MAP_ANON |
| |
| #define fio_swap16(x) _byteswap_ushort(x) |
| #define fio_swap32(x) _byteswap_ulong(x) |
| #define fio_swap64(x) _byteswap_uint64(x) |
| |
| typedef DWORD_PTR os_cpu_mask_t; |
| |
| #define _SC_PAGESIZE 0x1 |
| #define _SC_NPROCESSORS_ONLN 0x2 |
| #define _SC_PHYS_PAGES 0x4 |
| |
| #define SA_RESTART 0 |
| #define SIGPIPE 0 |
| |
| /* |
| * Windows doesn't have O_DIRECT or O_SYNC, so define them |
| * here so we can reject them at runtime when using the _open |
| * interface (windowsaio uses CreateFile) |
| */ |
| #define O_DIRECT 0x1000000 |
| #define O_SYNC 0x2000000 |
| |
| /* Windows doesn't support madvise, so any values will work */ |
| #define POSIX_MADV_DONTNEED 0 |
| #define POSIX_MADV_SEQUENTIAL 0 |
| #define POSIX_MADV_RANDOM 0 |
| |
| #define F_SETFL 0x1 |
| #define F_GETFL 0x2 |
| #define O_NONBLOCK FIONBIO |
| |
| /* Winsock doesn't support MSG_WAIT */ |
| #define OS_MSG_DONTWAIT 0 |
| |
| #define POLLOUT 1 |
| #define POLLIN 2 |
| #define POLLERR 0 |
| #define POLLHUP 1 |
| |
| #define SIGCONT 0 |
| #define SIGUSR1 1 |
| #define SIGUSR2 2 |
| |
| typedef int sigset_t; |
| typedef int siginfo_t; |
| |
| struct sigaction |
| { |
| void (*sa_handler)(int); |
| sigset_t sa_mask; |
| int sa_flags; |
| void* (*sa_sigaction)(int, siginfo_t *, void*); |
| }; |
| |
| long sysconf(int name); |
| |
| int kill(pid_t pid, int sig); |
| pid_t setsid(void); |
| int setgid(gid_t gid); |
| int setuid(uid_t uid); |
| int nice(int incr); |
| int sigaction(int sig, const struct sigaction *act, |
| struct sigaction *oact); |
| int fsync(int fildes); |
| int fork(void); |
| int fcntl(int fildes, int cmd, ...); |
| int fdatasync(int fildes); |
| int lstat(const char * path, struct stat * buf); |
| uid_t geteuid(void); |
| int nanosleep(const struct timespec *rqtp, struct timespec *rmtp); |
| ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset); |
| ssize_t pwrite(int fildes, const void *buf, size_t nbyte, |
| off_t offset); |
| extern void td_fill_rand_seeds(struct thread_data *); |
| |
| static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes) |
| { |
| int rc = 0; |
| HANDLE hFile; |
| GET_LENGTH_INFORMATION info; |
| DWORD outBytes; |
| |
| if (f->hFile == NULL) { |
| hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, |
| NULL, OPEN_EXISTING, 0, NULL); |
| } else { |
| hFile = f->hFile; |
| } |
| |
| if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL)) |
| *bytes = info.Length.QuadPart; |
| else |
| rc = EIO; |
| |
| /* If we were passed a POSIX fd, |
| * close the HANDLE we created via CreateFile */ |
| if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL) |
| CloseHandle(hFile); |
| |
| return rc; |
| } |
| |
| static inline int chardev_size(struct fio_file *f, unsigned long long *bytes) |
| { |
| return blockdev_size(f, bytes); |
| } |
| |
| static inline int blockdev_invalidate_cache(struct fio_file *f) |
| { |
| /* There's no way to invalidate the cache in Windows |
| * so just pretend to succeed */ |
| return 0; |
| } |
| |
| static inline unsigned long long os_phys_mem(void) |
| { |
| long pagesize, pages; |
| |
| pagesize = sysconf(_SC_PAGESIZE); |
| pages = sysconf(_SC_PHYS_PAGES); |
| if (pages == -1 || pagesize == -1) |
| return 0; |
| |
| return (unsigned long long) pages * (unsigned long long) pagesize; |
| } |
| |
| static inline int gettid(void) |
| { |
| return GetCurrentThreadId(); |
| } |
| |
| static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask) |
| { |
| HANDLE h; |
| BOOL bSuccess = FALSE; |
| |
| h = OpenThread(THREAD_QUERY_INFORMATION | THREAD_SET_INFORMATION, TRUE, pid); |
| if (h != NULL) { |
| bSuccess = SetThreadAffinityMask(h, cpumask); |
| if (!bSuccess) |
| log_err("fio_setaffinity failed: failed to set thread affinity (pid %d, mask %.16llx)\n", pid, cpumask); |
| |
| CloseHandle(h); |
| } else { |
| log_err("fio_setaffinity failed: failed to get handle for pid %d\n", pid); |
| } |
| |
| return (bSuccess)? 0 : -1; |
| } |
| |
| static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask) |
| { |
| os_cpu_mask_t systemMask; |
| |
| HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, TRUE, pid); |
| |
| if (h != NULL) { |
| GetProcessAffinityMask(h, mask, &systemMask); |
| CloseHandle(h); |
| } else { |
| log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid); |
| } |
| } |
| |
| static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu) |
| { |
| *mask ^= 1 << (cpu-1); |
| } |
| |
| static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu) |
| { |
| *mask |= 1 << cpu; |
| } |
| |
| static inline int fio_cpu_isset(os_cpu_mask_t *mask, int cpu) |
| { |
| return (*mask & (1U << cpu)); |
| } |
| |
| static inline int fio_cpu_count(os_cpu_mask_t *mask) |
| { |
| return hweight64(*mask); |
| } |
| |
| static inline int fio_cpuset_init(os_cpu_mask_t *mask) |
| { |
| *mask = 0; |
| return 0; |
| } |
| |
| static inline int fio_cpuset_exit(os_cpu_mask_t *mask) |
| { |
| return 0; |
| } |
| |
| static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size) |
| { |
| HCRYPTPROV hCryptProv; |
| |
| if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) |
| { |
| errno = GetLastError(); |
| log_err("CryptAcquireContext() failed: error %d\n", errno); |
| return 1; |
| } |
| |
| if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) { |
| errno = GetLastError(); |
| log_err("CryptGenRandom() failed, error %d\n", errno); |
| CryptReleaseContext(hCryptProv, 0); |
| return 1; |
| } |
| |
| CryptReleaseContext(hCryptProv, 0); |
| td_fill_rand_seeds(td); |
| return 0; |
| } |
| |
| |
| static inline int fio_set_sched_idle(void) |
| { |
| /* SetThreadPriority returns nonzero for success */ |
| return (SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE))? 0 : -1; |
| } |
| |
| |
| #endif /* FIO_OS_WINDOWS_H */ |