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 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 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 57 static void register_types(void) 58 { 59 type_register_static(&bot_info); 60 } 61 62 type_init(register_types) 63