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 "qemu/typedefs.h"
  12 #include "qapi/error.h"
  13 #include "hw/usb.h"
  14 #include "hw/usb/desc.h"
  15 #include "hw/usb/msd.h"
  16
  17 static const struct SCSIBusInfo usb_msd_scsi_info_bot = {
  18     .tcq = false,
  19     .max_target = 0,
  20     .max_lun = 15,
  21
  22     .transfer_data = usb_msd_transfer_data,
  23     .complete = usb_msd_command_complete,
  24     .cancel = usb_msd_request_cancelled,
  25     .load_request = usb_msd_load_request,
  26 };
  27
  28 static void usb_msd_bot_realize(USBDevice *dev, Error **errp)
  29 {
  30     MSDState *s = USB_STORAGE_DEV(dev);
  31     DeviceState *d = DEVICE(dev);
  32
  33     usb_desc_create_serial(dev);
  34     usb_desc_init(dev);
  35     dev->flags |= (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
  36     if (d->hotplugged) {
  37         s->dev.auto_attach = 0;
  38     }
  39
  40     scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
  41                  &usb_msd_scsi_info_bot, NULL);
  42     usb_msd_handle_reset(dev);
  43 }
  44
  45 static void usb_msd_class_bot_initfn(ObjectClass *klass, void *data)
  46 {
  47     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
  48
  49     uc->realize = usb_msd_bot_realize;
  50     uc->attached_settable = true;
  51 }
  52
  53 static const TypeInfo bot_info = {
  54     .name          = "usb-bot",
  55     .parent        = TYPE_USB_STORAGE,
  56     .class_init    = usb_msd_class_bot_initfn,
  57 };
  58
  59 static void register_types(void)
  60 {
  61     type_register_static(&bot_info);
  62 }
  63
  64 type_init(register_types)