diff options
Diffstat (limited to 'hw/virtio/vhost-user-device-pci.c')
-rw-r--r-- | hw/virtio/vhost-user-device-pci.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/hw/virtio/vhost-user-device-pci.c b/hw/virtio/vhost-user-device-pci.c new file mode 100644 index 0000000000..41f9b7905b --- /dev/null +++ b/hw/virtio/vhost-user-device-pci.c @@ -0,0 +1,71 @@ +/* + * Vhost-user generic virtio device PCI glue + * + * Copyright (c) 2023 Linaro Ltd + * Author: Alex Bennée <alex.bennee@linaro.org> + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/vhost-user-device.h" +#include "hw/virtio/virtio-pci.h" + +struct VHostUserDevicePCI { + VirtIOPCIProxy parent_obj; + VHostUserBase vub; +}; + +typedef struct VHostUserDevicePCI VHostUserDevicePCI; + +#define TYPE_VHOST_USER_DEVICE_PCI "vhost-user-device-pci-base" + +DECLARE_INSTANCE_CHECKER(VHostUserDevicePCI, + VHOST_USER_DEVICE_PCI, + TYPE_VHOST_USER_DEVICE_PCI) + +static void vhost_user_device_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) +{ + VHostUserDevicePCI *dev = VHOST_USER_DEVICE_PCI(vpci_dev); + DeviceState *vdev = DEVICE(&dev->vub); + + vpci_dev->nvectors = 1; + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); +} + +static void vhost_user_device_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); + k->realize = vhost_user_device_pci_realize; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); + pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */ + pcidev_k->revision = 0x00; + pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; +} + +static void vhost_user_device_pci_instance_init(Object *obj) +{ + VHostUserDevicePCI *dev = VHOST_USER_DEVICE_PCI(obj); + + virtio_instance_init_common(obj, &dev->vub, sizeof(dev->vub), + TYPE_VHOST_USER_DEVICE); +} + +static const VirtioPCIDeviceTypeInfo vhost_user_device_pci_info = { + .base_name = TYPE_VHOST_USER_DEVICE_PCI, + .non_transitional_name = "vhost-user-device-pci", + .instance_size = sizeof(VHostUserDevicePCI), + .instance_init = vhost_user_device_pci_instance_init, + .class_init = vhost_user_device_pci_class_init, +}; + +static void vhost_user_device_pci_register(void) +{ + virtio_pci_types_register(&vhost_user_device_pci_info); +} + +type_init(vhost_user_device_pci_register); |