From c46b20cf83ed5088626671447e214de165ca5297 Mon Sep 17 00:00:00 2001 From: Milan Zamazal Date: Wed, 28 Jun 2023 12:05:23 +0200 Subject: [PATCH] hw/virtio: Add vhost-user-scmi-pci boilerplate This allows is to instantiate a vhost-user-scmi device as part of a PCI bus. It is mostly boilerplate similar to the other vhost-user-*-pci boilerplates of similar devices. Signed-off-by: Milan Zamazal Message-Id: <20230628100524.342666-3-mzamazal@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/meson.build | 1 + hw/virtio/vhost-user-scmi-pci.c | 68 +++++++++++++++++++++++++++++++++ 2 files changed, 69 insertions(+) create mode 100644 hw/virtio/vhost-user-scmi-pci.c diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build index 4a4d7e1c27..c4f4fe05fa 100644 --- a/hw/virtio/meson.build +++ b/hw/virtio/meson.build @@ -36,6 +36,7 @@ specific_virtio_ss.add(when: 'CONFIG_VHOST_USER_RNG', if_true: files('vhost-user specific_virtio_ss.add(when: 'CONFIG_VHOST_USER_GPIO', if_true: files('vhost-user-gpio.c')) specific_virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_GPIO'], if_true: files('vhost-user-gpio-pci.c')) specific_virtio_ss.add(when: 'CONFIG_VHOST_USER_SCMI', if_true: files('vhost-user-scmi.c')) +specific_virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_SCMI'], if_true: files('vhost-user-scmi-pci.c')) virtio_pci_ss = ss.source_set() virtio_pci_ss.add(when: 'CONFIG_VHOST_VSOCK', if_true: files('vhost-vsock-pci.c')) diff --git a/hw/virtio/vhost-user-scmi-pci.c b/hw/virtio/vhost-user-scmi-pci.c new file mode 100644 index 0000000000..7f53af7fce --- /dev/null +++ b/hw/virtio/vhost-user-scmi-pci.c @@ -0,0 +1,68 @@ +/* + * Vhost-user SCMI virtio device PCI glue + * + * SPDX-FileCopyrightText: Red Hat, Inc. + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/vhost-user-scmi.h" +#include "hw/virtio/virtio-pci.h" + +struct VHostUserSCMIPCI { + VirtIOPCIProxy parent_obj; + VHostUserSCMI vdev; +}; + +typedef struct VHostUserSCMIPCI VHostUserSCMIPCI; + +#define TYPE_VHOST_USER_SCMI_PCI "vhost-user-scmi-pci-base" + +DECLARE_INSTANCE_CHECKER(VHostUserSCMIPCI, VHOST_USER_SCMI_PCI, + TYPE_VHOST_USER_SCMI_PCI) + +static void vhost_user_scmi_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) +{ + VHostUserSCMIPCI *dev = VHOST_USER_SCMI_PCI(vpci_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + + vpci_dev->nvectors = 1; + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); +} + +static void vhost_user_scmi_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_scmi_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_scmi_pci_instance_init(Object *obj) +{ + VHostUserSCMIPCI *dev = VHOST_USER_SCMI_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VHOST_USER_SCMI); +} + +static const VirtioPCIDeviceTypeInfo vhost_user_scmi_pci_info = { + .base_name = TYPE_VHOST_USER_SCMI_PCI, + .non_transitional_name = "vhost-user-scmi-pci", + .instance_size = sizeof(VHostUserSCMIPCI), + .instance_init = vhost_user_scmi_pci_instance_init, + .class_init = vhost_user_scmi_pci_class_init, +}; + +static void vhost_user_scmi_pci_register(void) +{ + virtio_pci_types_register(&vhost_user_scmi_pci_info); +} + +type_init(vhost_user_scmi_pci_register);