59 static uint64_t get_callback_via(struct pci_dev *pdev)  in get_callback_via()  argument
64 	irq = pdev->irq;  in get_callback_via()
68 	pin = pdev->pin;  in get_callback_via()
72 		((uint64_t)pci_domain_nr(pdev->bus) << 32) |  in get_callback_via()
73 		((uint64_t)pdev->bus->number << 16) |  in get_callback_via()
74 		((uint64_t)(pdev->devfn & 0xff) << 8) |  in get_callback_via()
84 static int xen_allocate_irq(struct pci_dev *pdev)  in xen_allocate_irq()  argument
86 	return request_irq(pdev->irq, do_hvm_evtchn_intr,  in xen_allocate_irq()
88 			"xen-platform-pci", pdev);  in xen_allocate_irq()
91 static int platform_pci_resume(struct pci_dev *pdev)  in platform_pci_resume()  argument
98 		dev_err(&pdev->dev, "platform_pci_resume failure!\n");  in platform_pci_resume()
104 static int platform_pci_init(struct pci_dev *pdev,  in platform_pci_init()  argument
116 	i = pci_enable_device(pdev);  in platform_pci_init()
120 	ioaddr = pci_resource_start(pdev, 0);  in platform_pci_init()
122 	mmio_addr = pci_resource_start(pdev, 1);  in platform_pci_init()
123 	mmio_len = pci_resource_len(pdev, 1);  in platform_pci_init()
126 		dev_err(&pdev->dev, "no resources found\n");  in platform_pci_init()
131 	ret = pci_request_region(pdev, 1, DRV_NAME);  in platform_pci_init()
135 	ret = pci_request_region(pdev, 0, DRV_NAME);  in platform_pci_init()
143 		ret = xen_allocate_irq(pdev);  in platform_pci_init()
145 			dev_warn(&pdev->dev, "request_irq failed err=%d\n", ret);  in platform_pci_init()
148 		callback_via = get_callback_via(pdev);  in platform_pci_init()
151 			dev_warn(&pdev->dev, "Unable to set the evtchn callback "  in platform_pci_init()
170 	pci_release_region(pdev, 0);  in platform_pci_init()
172 	pci_release_region(pdev, 1);  in platform_pci_init()
174 	pci_disable_device(pdev);  in platform_pci_init()