1 /* 2 * Virtio balloon PCI Bindings 3 * 4 * Copyright IBM, Corp. 2007 5 * Copyright (c) 2009 CodeSourcery 6 * 7 * Authors: 8 * Anthony Liguori <aliguori@us.ibm.com> 9 * Paul Brook <paul@codesourcery.com> 10 * 11 * Contributions after 2012-01-13 are licensed under the terms of the 12 * GNU GPL, version 2 or (at your option) any later version. 13 */ 14 15 #include "qemu/osdep.h" 16 17 #include "hw/virtio/virtio-pci.h" 18 #include "hw/qdev-properties.h" 19 #include "hw/virtio/virtio-balloon.h" 20 #include "qapi/error.h" 21 #include "qemu/module.h" 22 #include "qom/object.h" 23 24 typedef struct VirtIOBalloonPCI VirtIOBalloonPCI; 25 26 /* 27 * virtio-balloon-pci: This extends VirtioPCIProxy. 28 */ 29 #define TYPE_VIRTIO_BALLOON_PCI "virtio-balloon-pci-base" 30 DECLARE_INSTANCE_CHECKER(VirtIOBalloonPCI, VIRTIO_BALLOON_PCI, 31 TYPE_VIRTIO_BALLOON_PCI) 32 33 struct VirtIOBalloonPCI { 34 VirtIOPCIProxy parent_obj; 35 VirtIOBalloon vdev; 36 }; 37 38 static void virtio_balloon_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) 39 { 40 VirtIOBalloonPCI *dev = VIRTIO_BALLOON_PCI(vpci_dev); 41 DeviceState *vdev = DEVICE(&dev->vdev); 42 43 vpci_dev->class_code = PCI_CLASS_OTHERS; 44 qdev_realize(vdev, BUS(&vpci_dev->bus), errp); 45 } 46 47 static void virtio_balloon_pci_class_init(ObjectClass *klass, void *data) 48 { 49 DeviceClass *dc = DEVICE_CLASS(klass); 50 VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); 51 PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); 52 k->realize = virtio_balloon_pci_realize; 53 set_bit(DEVICE_CATEGORY_MISC, dc->categories); 54 pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; 55 pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BALLOON; 56 pcidev_k->revision = VIRTIO_PCI_ABI_VERSION; 57 pcidev_k->class_id = PCI_CLASS_OTHERS; 58 } 59 60 static void virtio_balloon_pci_instance_init(Object *obj) 61 { 62 VirtIOBalloonPCI *dev = VIRTIO_BALLOON_PCI(obj); 63 64 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 65 TYPE_VIRTIO_BALLOON); 66 object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev), 67 "guest-stats"); 68 object_property_add_alias(obj, "guest-stats-polling-interval", 69 OBJECT(&dev->vdev), 70 "guest-stats-polling-interval"); 71 } 72 73 static const VirtioPCIDeviceTypeInfo virtio_balloon_pci_info = { 74 .base_name = TYPE_VIRTIO_BALLOON_PCI, 75 .generic_name = "virtio-balloon-pci", 76 .transitional_name = "virtio-balloon-pci-transitional", 77 .non_transitional_name = "virtio-balloon-pci-non-transitional", 78 .instance_size = sizeof(VirtIOBalloonPCI), 79 .instance_init = virtio_balloon_pci_instance_init, 80 .class_init = virtio_balloon_pci_class_init, 81 }; 82 83 static void virtio_balloon_pci_register(void) 84 { 85 virtio_pci_types_register(&virtio_balloon_pci_info); 86 } 87 88 type_init(virtio_balloon_pci_register) 89