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 device_method_t umass_methods[] = {
42 /* Device interface */
43 DEVMETHOD(device_probe, umass_probe),
44 DEVMETHOD(device_attach, umass_attach),
45 DEVMETHOD(device_detach, umass_detach),
46
47 DEVMETHOD_END
48 };
49
50 static driver_t umass_driver = {
51 .name = "umass",
52 .methods = umass_methods,
53 };
54
55 DRIVER_MODULE(umass, uhub, umass_driver, NULL, 0);
56
57 static int
umass_probe(device_t dev)58 umass_probe(device_t dev)
59 {
60 struct usb_attach_arg *uaa = device_get_ivars(dev);
61
62 if (uaa->usb_mode != USB_MODE_HOST ||
63 uaa->info.bInterfaceClass != UICLASS_MASS ||
64 uaa->info.bInterfaceSubClass != UISUBCLASS_SCSI ||
65 uaa->info.bInterfaceProtocol != UIPROTO_MASS_BBB ||
66 device_get_unit(dev) != 0)
67 return (ENXIO);
68 return (0);
69 }
70
71 static int
umass_attach(device_t dev)72 umass_attach(device_t dev)
73 {
74 struct usb_attach_arg *uaa = device_get_ivars(dev);
75 umass_uaa = *uaa;
76 return (0); /* success */
77 }
78
79 static int
umass_detach(device_t dev)80 umass_detach(device_t dev)
81 {
82
83 #ifdef USB_DEBUG
84 memset(&umass_uaa, 0, sizeof(umass_uaa));
85 #endif
86 return (0);
87 }
88