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
umass_probe(device_t dev)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
umass_attach(device_t dev)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
umass_detach(device_t dev)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