/*
* Copyright (c) 2011 Jan Vesely
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup drvusbuhci
* @{
*/
/** @file
* @brief UHCI driver transfer list structure
*/
#ifndef DRV_UHCI_TRANSFER_LIST_H
#define DRV_UHCI_TRANSFER_LIST_H
#include <adt/list.h>
#include <fibril_synch.h>
#include "hw_struct/queue_head.h"
#include "uhci_batch.h"
/** Structure maintaining both hw queue and software list
* of currently executed transfers
*/
typedef struct transfer_list {
/** Guard against multiple add/remove races */
fibril_mutex_t guard;
/** UHCI hw structure representing this queue */
qh_t *queue_head;
/** Assigned name, for nicer debug output */
const char *name;
/** List of all batches in this list */
list_t batch_list;
} transfer_list_t;
void transfer_list_fini(transfer_list_t *);
errno_t transfer_list_init(transfer_list_t *, const char *);
void transfer_list_set_next(transfer_list_t *, transfer_list_t *);
errno_t transfer_list_add_batch(transfer_list_t *, uhci_transfer_batch_t *);
void transfer_list_remove_batch(transfer_list_t *, uhci_transfer_batch_t *);
void transfer_list_check_finished(transfer_list_t *);
void transfer_list_abort_all(transfer_list_t *);
#endif
/**
* @}
*/