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[PATCH 06/12] virtio: add PCI stub for vhost-user-device
From: |
Alex Bennée |
Subject: |
[PATCH 06/12] virtio: add PCI stub for vhost-user-device |
Date: |
Fri, 14 Apr 2023 17:04:27 +0100 |
This is all pretty much boilerplate.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
hw/virtio/vhost-user-device-pci.c | 71 +++++++++++++++++++++++++++++++
hw/virtio/meson.build | 1 +
2 files changed, 72 insertions(+)
create mode 100644 hw/virtio/vhost-user-device-pci.c
diff --git a/hw/virtio/vhost-user-device-pci.c
b/hw/virtio/vhost-user-device-pci.c
new file mode 100644
index 0000000000..96bf99d5fd
--- /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;
+ VHostUserDevice vdev;
+};
+
+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->vdev);
+
+ 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->vdev, sizeof(dev->vdev),
+ 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);
diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build
index 43e5fa3f7d..c0a86b94ae 100644
--- a/hw/virtio/meson.build
+++ b/hw/virtio/meson.build
@@ -13,6 +13,7 @@ if have_vhost
# fixme - this really should be generic
specific_virtio_ss.add(files('vhost-user.c'))
softmmu_virtio_ss.add(files('vhost-user-device.c'))
+ softmmu_virtio_ss.add(when: 'CONFIG_VIRTIO_PCI', if_true:
files('vhost-user-device-pci.c'))
endif
if have_vhost_vdpa
specific_virtio_ss.add(files('vhost-vdpa.c', 'vhost-shadow-virtqueue.c'))
--
2.39.2
- [PATCH 00/12] virtio: add vhost-user-generic and reduce copy and paste, Alex Bennée, 2023/04/14
- [PATCH 03/12] include/hw/virtio: add kerneldoc for virtio_init, Alex Bennée, 2023/04/14
- [PATCH 02/12] include/hw/virtio: document virtio_notify_config, Alex Bennée, 2023/04/14
- [PATCH 06/12] virtio: add PCI stub for vhost-user-device,
Alex Bennée <=
- [PATCH 01/12] hw/virtio: fix typo in VIRTIO_CONFIG_IRQ_IDX comments, Alex Bennée, 2023/04/14
- [PATCH 12/12] docs/system: add a basic enumeration of vhost-user devices, Alex Bennée, 2023/04/14
- [PATCH 11/12] hw/virtio: derive vhost-user-gpio from vhost-user-device (!BROKEN), Alex Bennée, 2023/04/14
- [PATCH 05/12] virtio: add generic vhost-user-device, Alex Bennée, 2023/04/14
- [PATCH 09/12] hw/virtio: derive vhost-user-rng from vhost-user-device, Alex Bennée, 2023/04/14
- [PATCH 04/12] include/hw/virtio: document some more usage of notifiers, Alex Bennée, 2023/04/14
- [PATCH 10/12] hw/virtio: add config support to vhost-user-device, Alex Bennée, 2023/04/14
- [PATCH 08/12] qom: allow for properties to become "fixed", Alex Bennée, 2023/04/14