hw/usb/dev-storage-bot.c

   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)