| 1 | /* |
| 2 | * Virtio RTC PCI Bindings |
| 3 | * |
| 4 | * Copyright (c) 2026 Kuan-Wei Chiu <visitorckw@gmail.com> |
| 5 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 6 | */ |
| 7 | |
| 8 | #include "qemu/osdep.h" |
| 9 | #include "hw/virtio/virtio-pci.h" |
| 10 | #include "hw/virtio/virtio-rtc.h" |
| 11 | #include "standard-headers/linux/virtio_ids.h" |
| 12 | |
| 13 | typedef struct VirtIORtcPCI { |
| 14 | VirtIOPCIProxy parent_obj; |
| 15 | VirtIORtc vdev; |
| 16 | } VirtIORtcPCI; |
| 17 | |
| 18 | #define TYPE_VIRTIO_RTC_PCI "virtio-rtc-pci-base" |
| 19 | OBJECT_DECLARE_SIMPLE_TYPE(VirtIORtcPCI, VIRTIO_RTC_PCI) |
| 20 | |
| 21 | static void virtio_rtc_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) |
| 22 | { |
| 23 | VirtIORtcPCI *dev = VIRTIO_RTC_PCI(vpci_dev); |
| 24 | DeviceState *vdev = DEVICE(&dev->vdev); |
| 25 | |
| 26 | qdev_realize(vdev, BUS(&vpci_dev->bus), errp); |
| 27 | } |
| 28 | |
| 29 | static void virtio_rtc_pci_class_init(ObjectClass *klass, const void *data) |
| 30 | { |
| 31 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 32 | VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); |
| 33 | PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); |
| 34 | |
| 35 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); |
| 36 | k->realize = virtio_rtc_pci_realize; |
| 37 | |
| 38 | pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; |
| 39 | pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_10_BASE + VIRTIO_ID_CLOCK; |
| 40 | pcidev_k->revision = 0x00; |
| 41 | pcidev_k->class_id = PCI_CLASS_SYSTEM_RTC; |
| 42 | } |
| 43 | |
| 44 | static void virtio_rtc_pci_instance_init(Object *obj) |
| 45 | { |
| 46 | VirtIORtcPCI *dev = VIRTIO_RTC_PCI(obj); |
| 47 | |
| 48 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), |
| 49 | TYPE_VIRTIO_RTC); |
| 50 | } |
| 51 | |
| 52 | static const VirtioPCIDeviceTypeInfo virtio_rtc_pci_info = { |
| 53 | .base_name = TYPE_VIRTIO_RTC_PCI, |
| 54 | .non_transitional_name = "virtio-rtc-pci", |
| 55 | .instance_size = sizeof(VirtIORtcPCI), |
| 56 | .instance_init = virtio_rtc_pci_instance_init, |
| 57 | .class_init = virtio_rtc_pci_class_init, |
| 58 | }; |
| 59 | |
| 60 | static void virtio_rtc_pci_register(void) |
| 61 | { |
| 62 | virtio_pci_types_register(&virtio_rtc_pci_info); |
| 63 | } |
| 64 | |
| 65 | type_init(virtio_rtc_pci_register); |