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 * 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 * 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