1 files changed, 0 insertions, 449 deletions
diff --git a/engines/windowsaio.c b/engines/windowsaio.c
deleted file mode 100644
index f5cb0483..00000000
--- a/engines/windowsaio.c
+++ /dev/null
@@ -1,449 +0,0 @@
-/*
- * windowsaio engine
- *
- * IO engine using Windows IO Completion Ports.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <signal.h>
-#include <errno.h>
-
-#include "../fio.h"
-
-typedef BOOL (WINAPI *CANCELIOEX)(HANDLE hFile, LPOVERLAPPED lpOverlapped);
-
-int geterrno_from_win_error (DWORD code, int deferrno);
-
-struct fio_overlapped {
-	OVERLAPPED o;
-	struct io_u *io_u;
-	BOOL io_complete;
-};
-
-struct windowsaio_data {
-	struct io_u **aio_events;
-	HANDLE iocp;
-	HANDLE iothread;
-	HANDLE iocomplete_event;
-	BOOL iothread_running;
-};
-
-struct thread_ctx {
-	HANDLE iocp;
-	struct windowsaio_data *wd;
-};
-
-static BOOL timeout_expired(DWORD start_count, DWORD end_count);
-static int fio_windowsaio_getevents(struct thread_data *td, unsigned int min,
-				unsigned int max, const struct timespec *t);
-static struct io_u *fio_windowsaio_event(struct thread_data *td, int event);
-static int fio_windowsaio_queue(struct thread_data *td,
-				  struct io_u *io_u);
-static void fio_windowsaio_cleanup(struct thread_data *td);
-static DWORD WINAPI IoCompletionRoutine(LPVOID lpParameter);
-static int fio_windowsaio_init(struct thread_data *td);
-static int fio_windowsaio_open_file(struct thread_data *td, struct fio_file *f);
-static int fio_windowsaio_close_file(struct thread_data fio_unused *td, struct fio_file *f);
-
-static int fio_windowsaio_init(struct thread_data *td)
-{
-	struct windowsaio_data *wd;
-	int rc = 0;
-
-	wd = calloc(1, sizeof(struct windowsaio_data));
-	if (wd == NULL) {
-		 log_err("windowsaio: failed to allocate memory for engine data\n");
-		rc = 1;
-	}
-
-	if (!rc) {
-		wd->aio_events = malloc(td->o.iodepth * sizeof(struct io_u*));
-		if (wd->aio_events == NULL) {
-			log_err("windowsaio: failed to allocate memory for aio events list\n");
-			rc = 1;
-		}
-	}
-
-	if (!rc) {
-		/* Create an auto-reset event */
-		wd->iocomplete_event = CreateEvent(NULL, FALSE, FALSE, NULL);
-		if (wd->iocomplete_event == NULL) {
-			log_err("windowsaio: failed to create io complete event handle\n");
-			rc = 1;
-		}
-	}
-
-	if (rc) {
-		if (wd != NULL) {
-			if (wd->aio_events != NULL)
-				free(wd->aio_events);
-
-			free(wd);
-		}
-	}
-
-	td->io_ops_data = wd;
-
-	if (!rc) {
-		struct thread_ctx *ctx;
-		struct windowsaio_data *wd;
-		HANDLE hFile;
-
-		hFile = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, 0);
-		if (hFile == INVALID_HANDLE_VALUE) {
-			log_err("windowsaio: failed to create io completion port\n");
-			rc = 1;
-		}
-
-		wd = td->io_ops_data;
-		wd->iothread_running = TRUE;
-		wd->iocp = hFile;
-
-		if (!rc)
-			ctx = malloc(sizeof(struct thread_ctx));
-
-		if (!rc && ctx == NULL)
-		{
-			log_err("windowsaio: failed to allocate memory for thread context structure\n");
-			CloseHandle(hFile);
-			rc = 1;
-		}
-
-		if (!rc)
-		{
-			DWORD threadid;
-
-			ctx->iocp = hFile;
-			ctx->wd = wd;
-			wd->iothread = CreateThread(NULL, 0, IoCompletionRoutine, ctx, 0, &threadid);
-
-			if (wd->iothread != NULL)
-				fio_setaffinity(threadid, td->o.cpumask);
-			else
-				log_err("windowsaio: failed to create io completion thread\n");
-		}
-
-		if (rc || wd->iothread == NULL)
-			rc = 1;
-	}
-
-	return rc;
-}
-
-static void fio_windowsaio_cleanup(struct thread_data *td)
-{
-	struct windowsaio_data *wd;
-
-	wd = td->io_ops_data;
-
-	if (wd != NULL) {
-		wd->iothread_running = FALSE;
-		WaitForSingleObject(wd->iothread, INFINITE);
-
-		CloseHandle(wd->iothread);
-		CloseHandle(wd->iocomplete_event);
-
-		free(wd->aio_events);
-		free(wd);
-
-		td->io_ops_data = NULL;
-	}
-}
-
-
-static int fio_windowsaio_open_file(struct thread_data *td, struct fio_file *f)
-{
-	int rc = 0;
-	DWORD flags = FILE_FLAG_POSIX_SEMANTICS | FILE_FLAG_OVERLAPPED;
-	DWORD sharemode = FILE_SHARE_READ | FILE_SHARE_WRITE;
-	DWORD openmode = OPEN_ALWAYS;
-	DWORD access;
-
-	dprint(FD_FILE, "fd open %s\n", f->file_name);
-
-	if (f->filetype == FIO_TYPE_PIPE) {
-		log_err("windowsaio: pipes are not supported\n");
-		return 1;
-	}
-
-	if (!strcmp(f->file_name, "-")) {
-		log_err("windowsaio: can't read/write to stdin/out\n");
-		return 1;
-	}
-
-	if (td->o.odirect)
-		flags |= FILE_FLAG_NO_BUFFERING;
-	if (td->o.sync_io)
-		flags |= FILE_FLAG_WRITE_THROUGH;
-
-	/*
-	 * Inform Windows whether we're going to be doing sequential or
-	 * random io so it can tune the Cache Manager
-	 */
-	if (td->o.td_ddir == TD_DDIR_READ  ||
-		td->o.td_ddir == TD_DDIR_WRITE)
-		flags |= FILE_FLAG_SEQUENTIAL_SCAN;
-	else
-		flags |= FILE_FLAG_RANDOM_ACCESS;
-
-	if (!td_write(td) || read_only)
-		access = GENERIC_READ;
-	else
-		access = (GENERIC_READ | GENERIC_WRITE);
-
-	if (td->o.create_on_open)
-		openmode = OPEN_ALWAYS;
-	else
-		openmode = OPEN_EXISTING;
-
-	f->hFile = CreateFile(f->file_name, access, sharemode,
-		NULL, openmode, flags, NULL);
-
-	if (f->hFile == INVALID_HANDLE_VALUE) {
-		log_err("windowsaio: failed to open file \"%s\"\n", f->file_name);
-		rc = 1;
-	}
-
-	/* Only set up the completion port and thread if we're not just
-	 * querying the device size */
-	if (!rc && td->io_ops_data != NULL) {
-		struct windowsaio_data *wd;
-
-		wd = td->io_ops_data;
-
-		if (CreateIoCompletionPort(f->hFile, wd->iocp, 0, 0) == NULL) {
-			log_err("windowsaio: failed to create io completion port\n");
-			rc = 1;
-		}
-	}
-
-	return rc;
-}
-
-static int fio_windowsaio_close_file(struct thread_data fio_unused *td, struct fio_file *f)
-{
-	int rc = 0;
-
-	dprint(FD_FILE, "fd close %s\n", f->file_name);
-
-	if (f->hFile != INVALID_HANDLE_VALUE) {
-		if (!CloseHandle(f->hFile)) {
-			log_info("windowsaio: failed to close file handle for \"%s\"\n", f->file_name);
-			rc = 1;
-		}
-	}
-
-	f->hFile = INVALID_HANDLE_VALUE;
-	return rc;
-}
-
-static BOOL timeout_expired(DWORD start_count, DWORD end_count)
-{
-	BOOL expired = FALSE;
-	DWORD current_time;
-
-	current_time = GetTickCount();
-
-	if ((end_count > start_count) && current_time >= end_count)
-		expired = TRUE;
-	else if (current_time < start_count && current_time > end_count)
-		expired = TRUE;
-
-	return expired;
-}
-
-static struct io_u* fio_windowsaio_event(struct thread_data *td, int event)
-{
-	struct windowsaio_data *wd = td->io_ops_data;
-	return wd->aio_events[event];
-}
-
-static int fio_windowsaio_getevents(struct thread_data *td, unsigned int min,
-				    unsigned int max,
-				    const struct timespec *t)
-{
-	struct windowsaio_data *wd = td->io_ops_data;
-	unsigned int dequeued = 0;
-	struct io_u *io_u;
-	int i;
-	struct fio_overlapped *fov;
-	DWORD start_count = 0;
-	DWORD end_count = 0;
-	DWORD status;
-	DWORD mswait = 250;
-
-	if (t != NULL) {
-		mswait = (t->tv_sec * 1000) + (t->tv_nsec / 1000000);
-		start_count = GetTickCount();
-		end_count = start_count + (t->tv_sec * 1000) + (t->tv_nsec / 1000000);
-	}
-
-	do {
-		io_u_qiter(&td->io_u_all, io_u, i) {
-			if (!(io_u->flags & IO_U_F_FLIGHT))
-				continue;
-
-			fov = (struct fio_overlapped*)io_u->engine_data;
-
-			if (fov->io_complete) {
-				fov->io_complete = FALSE;
-				wd->aio_events[dequeued] = io_u;
-				dequeued++;
-			}
-
-		}
-		if (dequeued >= min)
-			break;
-
-		if (dequeued < min) {
-			status = WaitForSingleObject(wd->iocomplete_event, mswait);
-			if (status != WAIT_OBJECT_0 && dequeued >= min)
-				break;
-		}
-
-		if (dequeued >= min || (t != NULL && timeout_expired(start_count, end_count)))
-			break;
-	} while (1);
-
-	return dequeued;
-}
-
-static int fio_windowsaio_queue(struct thread_data *td, struct io_u *io_u)
-{
-	struct fio_overlapped *o = io_u->engine_data;
-	LPOVERLAPPED lpOvl = &o->o;
-	BOOL success = FALSE;
-	int rc = FIO_Q_COMPLETED;
-
-	fio_ro_check(td, io_u);
-
-	lpOvl->Internal = 0;
-	lpOvl->InternalHigh = 0;
-	lpOvl->Offset = io_u->offset & 0xFFFFFFFF;
-	lpOvl->OffsetHigh = io_u->offset >> 32;
-
-	switch (io_u->ddir) {
-	case DDIR_WRITE:
-		success = WriteFile(io_u->file->hFile, io_u->xfer_buf, io_u->xfer_buflen, NULL, lpOvl);
-		break;
-	case DDIR_READ:
-		success = ReadFile(io_u->file->hFile, io_u->xfer_buf, io_u->xfer_buflen, NULL, lpOvl);
-		break;
-	case DDIR_SYNC:
-	case DDIR_DATASYNC:
-	case DDIR_SYNC_FILE_RANGE:
-		success = FlushFileBuffers(io_u->file->hFile);
-		if (!success) {
-			log_err("windowsaio: failed to flush file buffers\n");
-			io_u->error = win_to_posix_error(GetLastError());
-		}
-
-		return FIO_Q_COMPLETED;
-		break;
-	case DDIR_TRIM:
-		log_err("windowsaio: manual TRIM isn't supported on Windows\n");
-		io_u->error = 1;
-		io_u->resid = io_u->xfer_buflen;
-		return FIO_Q_COMPLETED;
-		break;
-	default:
-		assert(0);
-		break;
-	}
-
-	if (success || GetLastError() == ERROR_IO_PENDING)
-		rc = FIO_Q_QUEUED;
-	else {
-		io_u->error = win_to_posix_error(GetLastError());
-		io_u->resid = io_u->xfer_buflen;
-	}
-
-	return rc;
-}
-
-/* Runs as a thread and waits for queued IO to complete */
-static DWORD WINAPI IoCompletionRoutine(LPVOID lpParameter)
-{
-	OVERLAPPED *ovl;
-	struct fio_overlapped *fov;
-	struct io_u *io_u;
-	struct windowsaio_data *wd;
-	struct thread_ctx *ctx;
-	ULONG_PTR ulKey = 0;
-	DWORD bytes;
-
-	ctx = (struct thread_ctx*)lpParameter;
-	wd = ctx->wd;
-
-	do {
-		if (!GetQueuedCompletionStatus(ctx->iocp, &bytes, &ulKey, &ovl, 250) && ovl == NULL)
-			continue;
-
-		fov = CONTAINING_RECORD(ovl, struct fio_overlapped, o);
-		io_u = fov->io_u;
-
-		if (ovl->Internal == ERROR_SUCCESS) {
-			io_u->resid = io_u->xfer_buflen - ovl->InternalHigh;
-			io_u->error = 0;
-		} else {
-			io_u->resid = io_u->xfer_buflen;
-			io_u->error = win_to_posix_error(GetLastError());
-		}
-
-		fov->io_complete = TRUE;
-		SetEvent(wd->iocomplete_event);
-	} while (ctx->wd->iothread_running);
-
-	CloseHandle(ctx->iocp);
-	free(ctx);
-	return 0;
-}
-
-static void fio_windowsaio_io_u_free(struct thread_data *td, struct io_u *io_u)
-{
-	struct fio_overlapped *o = io_u->engine_data;
-
-	if (o) {
-		io_u->engine_data = NULL;
-		free(o);
-	}
-}
-
-static int fio_windowsaio_io_u_init(struct thread_data *td, struct io_u *io_u)
-{
-	struct fio_overlapped *o;
-
-	o = malloc(sizeof(*o));
-	o->io_complete = FALSE;
-	o->io_u = io_u;
-	o->o.hEvent = NULL;
-	io_u->engine_data = o;
-	return 0;
-}
-
-static struct ioengine_ops ioengine = {
-	.name		= "windowsaio",
-	.version	= FIO_IOOPS_VERSION,
-	.init		= fio_windowsaio_init,
-	.queue		= fio_windowsaio_queue,
-	.getevents	= fio_windowsaio_getevents,
-	.event		= fio_windowsaio_event,
-	.cleanup	= fio_windowsaio_cleanup,
-	.open_file	= fio_windowsaio_open_file,
-	.close_file	= fio_windowsaio_close_file,
-	.get_file_size	= generic_get_file_size,
-	.io_u_init	= fio_windowsaio_io_u_init,
-	.io_u_free	= fio_windowsaio_io_u_free,
-};
-
-static void fio_init fio_windowsaio_register(void)
-{
-	register_ioengine(&ioengine);
-}
-
-static void fio_exit fio_windowsaio_unregister(void)
-{
-	unregister_ioengine(&ioengine);
-}