1 /*
2 * USB Mass Storage Device emulation
3 *
4 * Copyright (c) 2006 CodeSourcery.
5 * Written by Paul Brook
6 *
7 * This code is licensed under the LGPL.
8 */
9
10 #include "qemu/osdep.h"
11 #include "qapi/error.h"
12 #include "hw/usb.h"
13 #include "hw/usb/desc.h"
14 #include "hw/usb/msd.h"
15
16 static const struct SCSIBusInfo usb_msd_scsi_info_bot = {
17 .tcq = false,
18 .max_target = 0,
19 .max_lun = 15,
20
21 .transfer_data = usb_msd_transfer_data,
22 .complete = usb_msd_command_complete,
23 .cancel = usb_msd_request_cancelled,
24 .load_request = usb_msd_load_request,
25 };
26
usb_msd_bot_realize(USBDevice * dev,Error ** errp)27 static void usb_msd_bot_realize(USBDevice *dev, Error **errp)
28 {
29 MSDState *s = USB_STORAGE_DEV(dev);
30 DeviceState *d = DEVICE(dev);
31
32 usb_desc_create_serial(dev);
33 usb_desc_init(dev);
34 dev->flags |= (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
35 if (d->hotplugged) {
36 s->dev.auto_attach = 0;
37 }
38
39 scsi_bus_init(&s->bus, sizeof(s->bus), DEVICE(dev), &usb_msd_scsi_info_bot);
40 usb_msd_handle_reset(dev);
41 }
42
usb_msd_class_bot_initfn(ObjectClass * klass,void * data)43 static void usb_msd_class_bot_initfn(ObjectClass *klass, void *data)
44 {
45 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
46
47 uc->realize = usb_msd_bot_realize;
48 uc->attached_settable = true;
49 }
50
51 static const TypeInfo bot_info = {
52 .name = "usb-bot",
53 .parent = TYPE_USB_STORAGE,
54 .class_init = usb_msd_class_bot_initfn,
55 };
56
register_types(void)57 static void register_types(void)
58 {
59 type_register_static(&bot_info);
60 }
61
62 type_init(register_types)
63