Changeset bc02b83 in mainline for uspace/lib/usbvirt/src/transfer.c


Ignore:
Timestamp:
2011-05-07T09:59:39Z (14 years ago)
Author:
Vojtech Horky <vojtechhorky@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
6fb003e, 7ab7c7f6, d38d830
Parents:
f90c0d6 (diff), beee81a (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Virtual USB improvements

File:
1 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/usbvirt/src/transfer.c

    rf90c0d6 rbc02b83  
    3131 */
    3232/** @file
    33  *
     33 * Transfer handling.
    3434 */
    3535#include <usbvirt/device.h>
    … …  
    3939#include "private.h"
    4040
     41/** Process a control transfer to the virtual USB device.
     42 *
     43 * @param dev Target device.
     44 * @param setup Setup packet data.
     45 * @param setup_size Size of setup packet.
     46 * @param data Extra data (DATA stage).
     47 * @param data_size Size of extra data in bytes.
     48 * @param data_size_sent Number of actually send bytes during the transfer
     49 *      (only used for READ transfers).
     50 * @return Error code.
     51 */
    4152static int usbvirt_control_transfer(usbvirt_device_t *dev,
    4253    void *setup, size_t setup_size,
    … …  
    7889}
    7990
     91/** Issue a control write transfer to virtual USB device.
     92 *
     93 * @see usbvirt_control_transfer
     94 *
     95 * @param dev Target virtual device.
     96 * @param setup Setup data.
     97 * @param setup_size Size of setup packet.
     98 * @param data Extra data (DATA stage).
     99 * @param data_size Size of extra data buffer in bytes.
     100 * @return Error code.
     101 */
    80102int usbvirt_control_write(usbvirt_device_t *dev, void *setup, size_t setup_size,
    81103    void *data, size_t data_size)
    … …  
    85107}
    86108
     109/** Issue a control read transfer to virtual USB device.
     110 *
     111 * @see usbvirt_control_transfer
     112 *
     113 * @param dev Target virtual device.
     114 * @param setup Setup data.
     115 * @param setup_size Size of setup packet.
     116 * @param data Extra data (DATA stage).
     117 * @param data_size Size of extra data buffer in bytes.
     118 * @param data_size_sent Number of actually send bytes during the transfer.
     119 * @return Error code.
     120 */
    87121int usbvirt_control_read(usbvirt_device_t *dev, void *setup, size_t setup_size,
    88122    void *data, size_t data_size, size_t *data_size_sent)
    … …  
    92126}
    93127
     128/** Send data to virtual USB device.
     129 *
     130 * @param dev Target virtual device.
     131 * @param transf_type Transfer type (interrupt, bulk).
     132 * @param endpoint Endpoint number.
     133 * @param data Data sent from the driver to the device.
     134 * @param data_size Size of the @p data buffer in bytes.
     135 * @return Error code.
     136 */
    94137int usbvirt_data_out(usbvirt_device_t *dev, usb_transfer_type_t transf_type,
    95138    usb_endpoint_t endpoint, void *data, size_t data_size)
    … …  
    108151}
    109152
     153/** Request data from virtual USB device.
     154 *
     155 * @param dev Target virtual device.
     156 * @param transf_type Transfer type (interrupt, bulk).
     157 * @param endpoint Endpoint number.
     158 * @param data Where to stored data the device returns to the driver.
     159 * @param data_size Size of the @p data buffer in bytes.
     160 * @param data_size_sent Number of actually written bytes.
     161 * @return Error code.
     162 */
    110163int usbvirt_data_in(usbvirt_device_t *dev, usb_transfer_type_t transf_type,
    111164    usb_endpoint_t endpoint, void *data, size_t data_size, size_t *data_size_sent)
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