func: static int esp_pci_scsi_init(PCIDevice *dev)
  
  {
  
      PCIESPState *pci = PCI_ESP(dev);
  
      DeviceState *d = DEVICE(dev);
  
      ESPState *s = &pci->esp;
  
      uint8_t *pci_conf;
  
      Error *err = NULL;
  
  
  
      pci_conf = dev->config;
  
  
  
      /* Interrupt pin A */
  
      pci_conf[PCI_INTERRUPT_PIN] = 0x01;
  
  
  
      s->dma_memory_read = esp_pci_dma_memory_read;
  
      s->dma_memory_write = esp_pci_dma_memory_write;
  
      s->dma_opaque = pci;
  
      s->chip_id = TCHI_AM53C974;
  
      memory_region_init_io(&pci->io, OBJECT(pci), &esp_pci_io_ops, pci,
  
                            "esp-io", 0x80);
  
  
  
      pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->io);
  
      s->irq = pci_allocate_irq(dev);
  
  
  
      scsi_bus_new(&s->bus, sizeof(s->bus), d, &esp_pci_scsi_info, NULL);
  
      if (!d->hotplugged) {
  
          scsi_bus_legacy_handle_cmdline(&s->bus, &err);
  
          if (err != NULL) {
  
  
              error_free(err);
  
              return -1;
  
          }
  
      }
  
      return 0;
  
  }