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hw/virtio: Add vhost-user-scmi-pci boilerplate

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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 <mzamazal@redhat.com>
Message-Id: <20230628100524.342666-3-mzamazal@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Milan Zamazal 2023-06-28 12:05:23 +02:00 committed by Michael S. Tsirkin
parent a5dab090e1
commit c46b20cf83
2 changed files with 69 additions and 0 deletions
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1
hw/virtio/meson.build
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@ -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'))

68
hw/virtio/vhost-user-scmi-pci.c Normal file
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@ -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);