1 /*- 2 * Copyright (c) 2014 Hans Petter Selasky <hselasky@FreeBSD.org> 3 * All rights reserved. 4 * 5 * This software was developed by SRI International and the University of 6 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) 7 * ("CTSRD"), as part of the DARPA CRASH research programme. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include USB_GLOBAL_INCLUDE_FILE 32 33 #include "umass_common.h" 34 35 struct usb_attach_arg umass_uaa; 36 37 static device_probe_t umass_probe; 38 static device_attach_t umass_attach; 39 static device_detach_t umass_detach; 40 41 static devclass_t umass_devclass; 42 43 static device_method_t umass_methods[] = { 44 /* Device interface */ 45 DEVMETHOD(device_probe, umass_probe), 46 DEVMETHOD(device_attach, umass_attach), 47 DEVMETHOD(device_detach, umass_detach), 48 49 DEVMETHOD_END 50 }; 51 52 static driver_t umass_driver = { 53 .name = "umass", 54 .methods = umass_methods, 55 }; 56 57 DRIVER_MODULE(umass, uhub, umass_driver, umass_devclass, NULL, 0); 58 59 static int 60 umass_probe(device_t dev) 61 { 62 struct usb_attach_arg *uaa = device_get_ivars(dev); 63 64 if (uaa->usb_mode != USB_MODE_HOST || 65 uaa->info.bInterfaceClass != UICLASS_MASS || 66 uaa->info.bInterfaceSubClass != UISUBCLASS_SCSI || 67 uaa->info.bInterfaceProtocol != UIPROTO_MASS_BBB || 68 device_get_unit(dev) != 0) 69 return (ENXIO); 70 return (0); 71 } 72 73 static int 74 umass_attach(device_t dev) 75 { 76 struct usb_attach_arg *uaa = device_get_ivars(dev); 77 umass_uaa = *uaa; 78 return (0); /* success */ 79 } 80 81 static int 82 umass_detach(device_t dev) 83 { 84 85 #ifdef USB_DEBUG 86 memset(&umass_uaa, 0, sizeof(umass_uaa)); 87 #endif 88 return (0); 89 } 90