static void
haiku_clear_transfer_priv(struct usbi_transfer * itransfer)
{
USBTransfer* transfer=*((USBTransfer**)usbi_transfer_get_os_priv(itransfer));
delete transfer;
*((USBTransfer**)usbi_transfer_get_os_priv(itransfer))=NULL;
}
static int
haiku_handle_transfer_completion(struct usbi_transfer * itransfer)
{
USBTransfer* transfer=*((USBTransfer**)usbi_transfer_get_os_priv(itransfer));
usbi_mutex_lock(&itransfer->lock);
if(transfer->IsCancelled())
{
delete transfer;
*((USBTransfer**)usbi_transfer_get_os_priv(itransfer))=NULL;
usbi_mutex_unlock(&itransfer->lock);
if (itransfer->transferred < 0)
itransfer->transferred = 0;
return usbi_handle_transfer_cancellation(itransfer);
}
libusb_transfer_status status = LIBUSB_TRANSFER_COMPLETED;
if(itransfer->transferred < 0)
{
usbi_err(ITRANSFER_CTX(itransfer), "error in transfer");
status = LIBUSB_TRANSFER_ERROR;
itransfer->transferred=0;
}
delete transfer;
*((USBTransfer**)usbi_transfer_get_os_priv(itransfer))=NULL;
usbi_mutex_unlock(&itransfer->lock);
return usbi_handle_transfer_completion(itransfer, status);
}
int
sunos_cancel_transfer(struct usbi_transfer *itransfer)
{
sunos_xfer_priv_t *tpriv;
sunos_dev_handle_priv_t *hpriv;
struct libusb_transfer *transfer;
struct aiocb *aiocb;
uint8_t ep;
int ret;
tpriv = usbi_transfer_get_os_priv(itransfer);
aiocb = &tpriv->aiocb;
transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
hpriv = (sunos_dev_handle_priv_t *)transfer->dev_handle->os_priv;
ep = sunos_usb_ep_index(transfer->endpoint);
ret = aio_cancel(hpriv->eps[ep].datafd, aiocb);
usbi_dbg("aio->fd=%d fd=%d ret = %d, %s", aiocb->aio_fildes,
hpriv->eps[ep].datafd, ret, (ret == AIO_CANCELED)?
strerror(0):strerror(errno));
if (ret != AIO_CANCELED) {
ret = _errno_to_libusb(errno);
} else {
/*
* we don't need to call usbi_handle_transfer_cancellation(),
* because we'll handle everything in sunos_async_callback.
*/
ret = LIBUSB_SUCCESS;
}
return (ret);
}
static int
haiku_cancel_transfer(struct usbi_transfer * itransfer)
{
struct libusb_transfer* fLibusbTransfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
USBDeviceHandle * fDeviceHandle = *((USBDeviceHandle**)fLibusbTransfer->dev_handle->os_priv);
return fDeviceHandle->CancelTransfer(*((USBTransfer**)usbi_transfer_get_os_priv(itransfer)));
}
static int wince_submit_control_or_bulk_transfer(struct usbi_transfer *itransfer)
{
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
struct wince_transfer_priv *transfer_priv = (struct wince_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
struct wince_device_priv *priv = _device_priv(transfer->dev_handle->dev);
BOOL direction_in, ret;
struct winfd wfd;
DWORD flags;
HANDLE eventHandle;
PUKW_CONTROL_HEADER setup = NULL;
const BOOL control_transfer = transfer->type == LIBUSB_TRANSFER_TYPE_CONTROL;
transfer_priv->pollable_fd = INVALID_WINFD;
if (control_transfer) {
setup = (PUKW_CONTROL_HEADER) transfer->buffer;
direction_in = setup->bmRequestType & LIBUSB_ENDPOINT_IN;
} else {
direction_in = transfer->endpoint & LIBUSB_ENDPOINT_IN;
}
flags = direction_in ? UKW_TF_IN_TRANSFER : UKW_TF_OUT_TRANSFER;
flags |= UKW_TF_SHORT_TRANSFER_OK;
eventHandle = CreateEvent(NULL, FALSE, FALSE, NULL);
if (eventHandle == NULL) {
usbi_err(ctx, "Failed to create event for async transfer");
return LIBUSB_ERROR_NO_MEM;
}
wfd = usbi_create_fd(eventHandle, direction_in ? RW_READ : RW_WRITE, itransfer, &wince_cancel_transfer);
if (wfd.fd < 0) {
CloseHandle(eventHandle);
return LIBUSB_ERROR_NO_MEM;
}
transfer_priv->pollable_fd = wfd;
if (control_transfer) {
// Split out control setup header and data buffer
DWORD bufLen = transfer->length - sizeof(UKW_CONTROL_HEADER);
PVOID buf = (PVOID) &transfer->buffer[sizeof(UKW_CONTROL_HEADER)];
ret = UkwIssueControlTransfer(priv->dev, flags, setup, buf, bufLen, &transfer->actual_length, wfd.overlapped);
} else {
ret = UkwIssueBulkTransfer(priv->dev, flags, transfer->endpoint, transfer->buffer,
transfer->length, &transfer->actual_length, wfd.overlapped);
}
if (!ret) {
int libusbErr = translate_driver_error(GetLastError());
usbi_err(ctx, "UkwIssue%sTransfer failed: error %d",
control_transfer ? "Control" : "Bulk", GetLastError());
wince_clear_transfer_priv(itransfer);
return libusbErr;
}
usbi_add_pollfd(ctx, transfer_priv->pollable_fd.fd, direction_in ? POLLIN : POLLOUT);
itransfer->flags |= USBI_TRANSFER_UPDATED_FDS;
return LIBUSB_SUCCESS;
}
static void wince_clear_transfer_priv(struct usbi_transfer *itransfer)
{
struct wince_transfer_priv *transfer_priv = (struct wince_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
struct winfd wfd = fd_to_winfd(transfer_priv->pollable_fd.fd);
// No need to cancel transfer as it is either complete or abandoned
wfd.itransfer = NULL;
CloseHandle(wfd.handle);
usbi_free_fd(&transfer_priv->pollable_fd);
}
static int wince_handle_events(
struct libusb_context *ctx,
struct pollfd *fds, POLL_NFDS_TYPE nfds, int num_ready)
{
struct wince_transfer_priv* transfer_priv = NULL;
POLL_NFDS_TYPE i = 0;
BOOL found = FALSE;
struct usbi_transfer *transfer;
DWORD io_size, io_result;
int r = LIBUSB_SUCCESS;
usbi_mutex_lock(&ctx->open_devs_lock);
for (i = 0; i < nfds && num_ready > 0; i++) {
usbi_dbg("checking fd %d with revents = %04x", fds[i].fd, fds[i].revents);
if (!fds[i].revents)
continue;
num_ready--;
// Because a Windows OVERLAPPED is used for poll emulation,
// a pollable fd is created and stored with each transfer
usbi_mutex_lock(&ctx->flying_transfers_lock);
list_for_each_entry(transfer, &ctx->flying_transfers, list, struct usbi_transfer) {
transfer_priv = usbi_transfer_get_os_priv(transfer);
if (transfer_priv->pollable_fd.fd == fds[i].fd) {
found = TRUE;
break;
}
}
usbi_mutex_unlock(&ctx->flying_transfers_lock);
if (found && HasOverlappedIoCompleted(transfer_priv->pollable_fd.overlapped)) {
io_result = (DWORD)transfer_priv->pollable_fd.overlapped->Internal;
io_size = (DWORD)transfer_priv->pollable_fd.overlapped->InternalHigh;
usbi_remove_pollfd(ctx, transfer_priv->pollable_fd.fd);
// let handle_callback free the event using the transfer wfd
// If you don't use the transfer wfd, you run a risk of trying to free a
// newly allocated wfd that took the place of the one from the transfer.
wince_handle_callback(transfer, io_result, io_size);
} else if (found) {
usbi_err(ctx, "matching transfer for fd %d has not completed", fds[i]);
r = LIBUSB_ERROR_OTHER;
break;
} else {
usbi_err(ctx, "could not find a matching transfer for fd %d", fds[i]);
r = LIBUSB_ERROR_NOT_FOUND;
break;
}
}
usbi_mutex_unlock(&ctx->open_devs_lock);
return r;
}
static int wince_cancel_transfer(struct usbi_transfer *itransfer)
{
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
struct wince_device_priv *priv = _device_priv(transfer->dev_handle->dev);
struct wince_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(itransfer);
if (!UkwCancelTransfer(priv->dev, transfer_priv->pollable_fd.overlapped, UKW_TF_NO_WAIT))
return translate_driver_error(GetLastError());
return LIBUSB_SUCCESS;
}
static int
sunos_do_async_io(struct libusb_transfer *transfer)
{
int ret = -1;
struct aiocb *aiocb;
sunos_dev_handle_priv_t *hpriv;
uint8_t ep;
struct sunos_transfer_priv *tpriv;
usbi_dbg("");
tpriv = usbi_transfer_get_os_priv(LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer));
hpriv = (sunos_dev_handle_priv_t *)transfer->dev_handle->os_priv;
ep = sunos_usb_ep_index(transfer->endpoint);
tpriv->transfer = transfer;
aiocb = &tpriv->aiocb;
bzero(aiocb, sizeof (*aiocb));
aiocb->aio_fildes = hpriv->eps[ep].datafd;
aiocb->aio_buf = transfer->buffer;
aiocb->aio_nbytes = transfer->length;
aiocb->aio_lio_opcode =
((transfer->endpoint & LIBUSB_ENDPOINT_DIR_MASK) ==
LIBUSB_ENDPOINT_IN) ? LIO_READ:LIO_WRITE;
aiocb->aio_sigevent.sigev_notify = SIGEV_THREAD;
aiocb->aio_sigevent.sigev_value.sival_ptr = tpriv;
aiocb->aio_sigevent.sigev_notify_function = sunos_async_callback;
if (aiocb->aio_lio_opcode == LIO_READ) {
ret = aio_read(aiocb);
} else {
ret = aio_write(aiocb);
}
return (ret);
}
static void wince_transfer_callback(struct usbi_transfer *itransfer, uint32_t io_result, uint32_t io_size)
{
struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
struct wince_transfer_priv *transfer_priv = (struct wince_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
struct wince_device_priv *priv = _device_priv(transfer->dev_handle->dev);
int status;
usbi_dbg("handling I/O completion with errcode %d", io_result);
if (io_result == ERROR_NOT_SUPPORTED &&
transfer->type != LIBUSB_TRANSFER_TYPE_CONTROL) {
/* For functional stalls, the WinCE USB layer (and therefore the USB Kernel Wrapper
* Driver) will report USB_ERROR_STALL/ERROR_NOT_SUPPORTED in situations where the
* endpoint isn't actually stalled.
*
* One example of this is that some devices will occasionally fail to reply to an IN
* token. The WinCE USB layer carries on with the transaction until it is completed
* (or cancelled) but then completes it with USB_ERROR_STALL.
*
* This code therefore needs to confirm that there really is a stall error, by both
* checking the pipe status and requesting the endpoint status from the device.
*/
BOOL halted = FALSE;
usbi_dbg("checking I/O completion with errcode ERROR_NOT_SUPPORTED is really a stall");
if (UkwIsPipeHalted(priv->dev, transfer->endpoint, &halted)) {
/* Pipe status retrieved, so now request endpoint status by sending a GET_STATUS
* control request to the device. This is done synchronously, which is a bit
* naughty, but this is a special corner case.
*/
WORD wStatus = 0;
DWORD written = 0;
UKW_CONTROL_HEADER ctrlHeader;
ctrlHeader.bmRequestType = LIBUSB_REQUEST_TYPE_STANDARD |
LIBUSB_ENDPOINT_IN | LIBUSB_RECIPIENT_ENDPOINT;
ctrlHeader.bRequest = LIBUSB_REQUEST_GET_STATUS;
ctrlHeader.wValue = 0;
ctrlHeader.wIndex = transfer->endpoint;
ctrlHeader.wLength = sizeof(wStatus);
if (UkwIssueControlTransfer(priv->dev,
UKW_TF_IN_TRANSFER | UKW_TF_SEND_TO_ENDPOINT,
&ctrlHeader, &wStatus, sizeof(wStatus), &written, NULL)) {
if (written == sizeof(wStatus) &&
(wStatus & STATUS_HALT_FLAG) == 0) {
if (!halted || UkwClearHaltHost(priv->dev, transfer->endpoint)) {
usbi_dbg("Endpoint doesn't appear to be stalled, overriding error with success");
io_result = ERROR_SUCCESS;
} else {
usbi_dbg("Endpoint doesn't appear to be stalled, but the host is halted, changing error");
io_result = ERROR_IO_DEVICE;
}
}
}
}
}
switch(io_result) {
case ERROR_SUCCESS:
itransfer->transferred += io_size;
status = LIBUSB_TRANSFER_COMPLETED;
break;
case ERROR_CANCELLED:
usbi_dbg("detected transfer cancel");
status = LIBUSB_TRANSFER_CANCELLED;
break;
case ERROR_NOT_SUPPORTED:
case ERROR_GEN_FAILURE:
usbi_dbg("detected endpoint stall");
status = LIBUSB_TRANSFER_STALL;
break;
case ERROR_SEM_TIMEOUT:
usbi_dbg("detected semaphore timeout");
status = LIBUSB_TRANSFER_TIMED_OUT;
break;
case ERROR_OPERATION_ABORTED:
if (itransfer->flags & USBI_TRANSFER_TIMED_OUT) {
usbi_dbg("detected timeout");
status = LIBUSB_TRANSFER_TIMED_OUT;
} else {
usbi_dbg("detected operation aborted");
status = LIBUSB_TRANSFER_CANCELLED;
}
break;
default:
usbi_err(ITRANSFER_CTX(itransfer), "detected I/O error: %s", windows_error_str(io_result));
status = LIBUSB_TRANSFER_ERROR;
break;
}
wince_clear_transfer_priv(itransfer);
if (status == LIBUSB_TRANSFER_CANCELLED) {
usbi_handle_transfer_cancellation(itransfer);
} else {
usbi_handle_transfer_completion(itransfer, (enum libusb_transfer_status)status);
}
}
static inline struct usbdk_transfer_priv *_usbdk_transfer_priv(struct usbi_transfer *itransfer)
{
return (struct usbdk_transfer_priv *)usbi_transfer_get_os_priv(itransfer);
}
