1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/types.h> 33 #include <sys/queue.h> 34 35 #include <assert.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <pthread.h> 40 41 #include "usb_emul.h" 42 43 SET_DECLARE(usb_emu_set, struct usb_devemu); 44 45 struct usb_devemu * 46 usb_emu_finddev(char *name) 47 { 48 struct usb_devemu **udpp, *udp; 49 50 SET_FOREACH(udpp, usb_emu_set) { 51 udp = *udpp; 52 if (!strcmp(udp->ue_emu, name)) 53 return (udp); 54 } 55 56 return (NULL); 57 } 58 59 struct usb_data_xfer_block * 60 usb_data_xfer_append(struct usb_data_xfer *xfer, void *buf, int blen, 61 void *hci_data, int ccs) 62 { 63 struct usb_data_xfer_block *xb; 64 65 if (xfer->ndata >= USB_MAX_XFER_BLOCKS) 66 return (NULL); 67 68 xb = &xfer->data[xfer->tail]; 69 xb->buf = buf; 70 xb->blen = blen; 71 xb->hci_data = hci_data; 72 xb->ccs = ccs; 73 xb->processed = 0; 74 xb->bdone = 0; 75 xfer->ndata++; 76 xfer->tail = (xfer->tail + 1) % USB_MAX_XFER_BLOCKS; 77 return (xb); 78 } 79