1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2014 Nahanni Systems Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/types.h>
30 #include <sys/queue.h>
31
32 #include <assert.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <pthread.h>
37
38 #include "usb_emul.h"
39
40 SET_DECLARE(usb_emu_set, struct usb_devemu);
41
42 struct usb_devemu *
usb_emu_finddev(const char * name)43 usb_emu_finddev(const char *name)
44 {
45 struct usb_devemu **udpp, *udp;
46
47 SET_FOREACH(udpp, usb_emu_set) {
48 udp = *udpp;
49 if (!strcmp(udp->ue_emu, name))
50 return (udp);
51 }
52
53 return (NULL);
54 }
55
56 struct usb_data_xfer_block *
usb_data_xfer_append(struct usb_data_xfer * xfer,void * buf,int blen,void * hci_data,int ccs)57 usb_data_xfer_append(struct usb_data_xfer *xfer, void *buf, int blen,
58 void *hci_data, int ccs)
59 {
60 struct usb_data_xfer_block *xb;
61
62 if (xfer->ndata >= USB_MAX_XFER_BLOCKS)
63 return (NULL);
64
65 xb = &xfer->data[xfer->tail];
66 xb->buf = buf;
67 xb->blen = blen;
68 xb->hci_data = hci_data;
69 xb->ccs = ccs;
70 xb->processed = 0;
71 xb->bdone = 0;
72 xfer->ndata++;
73 xfer->tail = (xfer->tail + 1) % USB_MAX_XFER_BLOCKS;
74 return (xb);
75 }
76