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bh=Rm1LACQ5G3+lR4W5rqh9AwU38Czu1EsnreeQOu+ityI=; b=PX/8kEr/14M1QE78Qz8j0upVT2feTD/nk7GkAwVuNjgHvBxTOqcmCJRwmjalZ3CfoDK9nC Zo8Kwu3mCzW8lWEmK/o7JYPjIR2SeTi9yEA9p7BKkuGji67z7cxRTDbE6ATFKpUAAYBdVm UXdKihx8tKZOwW5K+LDUJuZU2uGbT5I= X-MC-Unique: mGcGrx9QNY2GN-fTlqQKtg-1 From: Milan Zamazal To: qemu-devel@nongnu.org Cc: Milan Zamazal , mst@redhat.com, stefanha@redhat.com, alex.bennee@linaro.org, thuth@redhat.com, vincent.guittot@linaro.org Subject: [PATCH v3 2/3] hw/virtio: Add vhost-user-scmi-pci boilerplate Date: Wed, 28 Jun 2023 12:05:23 +0200 Message-Id: <20230628100524.342666-3-mzamazal@redhat.com> In-Reply-To: <20230628100524.342666-1-mzamazal@redhat.com> References: <20230628100524.342666-1-mzamazal@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=mzamazal@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1687946820895100001 Content-Type: text/plain; charset="utf-8" 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 --- 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('vho= st-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('vho= st-user-scmi.c')) +specific_virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_SCMI= '], if_true: files('vhost-user-scmi-pci.c')) =20 virtio_pci_ss =3D 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-pc= i.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 =3D VHOST_USER_SCMI_PCI(vpci_dev); + DeviceState *vdev =3D DEVICE(&dev->vdev); + + vpci_dev->nvectors =3D 1; + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); +} + +static void vhost_user_scmi_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + VirtioPCIClass *k =3D VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k =3D PCI_DEVICE_CLASS(klass); + k->realize =3D vhost_user_scmi_pci_realize; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); + pcidev_k->vendor_id =3D PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id =3D 0; /* Set by virtio-pci based on virtio id */ + pcidev_k->revision =3D 0x00; + pcidev_k->class_id =3D PCI_CLASS_COMMUNICATION_OTHER; +} + +static void vhost_user_scmi_pci_instance_init(Object *obj) +{ + VHostUserSCMIPCI *dev =3D 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 =3D { + .base_name =3D TYPE_VHOST_USER_SCMI_PCI, + .non_transitional_name =3D "vhost-user-scmi-pci", + .instance_size =3D sizeof(VHostUserSCMIPCI), + .instance_init =3D vhost_user_scmi_pci_instance_init, + .class_init =3D 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); --=20 2.40.1