source: mainline/uspace/drv/uhci-hcd/transfer_list.h@ cabda7f

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since cabda7f was e0df6c2, checked in by Jan Vesely <jano.vesely@…>, 14 years ago

Fix: properly check whether the removed batch is the first in the list
Add mutex to guard tranfser list

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*
2 * Copyright (c) 2011 Jan Vesely
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28/** @addtogroup usb
29 * @{
30 */
31/** @file
32 * @brief UHCI driver
33 */
34#ifndef DRV_UHCI_TRANSFER_LIST_H
35#define DRV_UHCI_TRANSFER_LIST_H
36
37#include <fibril_synch.h>
38
39#include "uhci_struct/queue_head.h"
40
41#include "batch.h"
42
43typedef struct transfer_list
44{
45 fibril_mutex_t guard;
46 queue_head_t *queue_head;
47 uint32_t queue_head_pa;
48 struct transfer_list *next;
49 const char *name;
50 link_t batch_list;
51} transfer_list_t;
52
53int transfer_list_init(transfer_list_t *instance, const char *name);
54
55void transfer_list_set_next(transfer_list_t *instance, transfer_list_t *next);
56
57static inline void transfer_list_fini(transfer_list_t *instance)
58{
59 assert(instance);
60 queue_head_dispose(instance->queue_head);
61}
62void transfer_list_check(transfer_list_t *instance);
63
64void transfer_list_add_batch(transfer_list_t *instance, batch_t *batch);
65#endif
66/**
67 * @}
68 */
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