virtio: add vhost-user-vsock-pci device

Based on upstream 9b83bb2
panda-re · Oct 14, 2023 · 1916cc1 · 1916cc1
1 parent 726456c
commit 1916cc1
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Showing 4 changed files with 89 additions and 68 deletions.
diff --git a/hw/virtio/Makefile.objs b/hw/virtio/Makefile.objs
@@ -7,6 +7,9 @@ common-obj-y += virtio-mmio.o
 obj-y += virtio.o virtio-balloon.o 
 obj-$(CONFIG_LINUX) += vhost.o vhost-backend.o vhost-user.o
 obj-$(CONFIG_VHOST_VSOCK) += vhost-vsock-common.o vhost-vsock.o
+ifeq ($(CONFIG_PCI),y)
+obj-$(CONFIG_VHOST_VSOCK) += vhost-vsock-pci.o
+endif
 obj-$(CONFIG_VHOST_USER_VSOCK) += vhost-vsock-common.o vhost-user-vsock.o
 obj-y += virtio-crypto.o
 obj-$(CONFIG_VIRTIO_PCI) += virtio-crypto-pci.o

diff --git a/hw/virtio/vhost-vsock-pci.c b/hw/virtio/vhost-vsock-pci.c
@@ -0,0 +1,86 @@
+/*
+ * Vhost vsock PCI Bindings
+ *
+ * Copyright 2015 Red Hat, Inc.
+ *
+ * Authors:
+ *  Stefan Hajnoczi <stefanha@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version.  See the COPYING file in the
+ * top-level directory.
+ */
+
+#include "qemu/osdep.h"
+
+#include "virtio-pci.h"
+#include "hw/virtio/vhost-vsock.h"
+
+typedef struct VHostVSockPCI VHostVSockPCI;
+
+/*
+ * vhost-vsock-pci: This extends VirtioPCIProxy.
+ */
+#define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci-base"
+#define VHOST_VSOCK_PCI(obj) \
+        OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI)
+
+struct VHostVSockPCI {
+    VirtIOPCIProxy parent_obj;
+    VHostVSock vdev;
+};
+
+/* vhost-vsock-pci */
+
+static Property vhost_vsock_pci_properties[] = {
+    DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void vhost_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
+{
+    VHostVSockPCI *dev = VHOST_VSOCK_PCI(vpci_dev);
+    DeviceState *vdev = DEVICE(&dev->vdev);
+
+    qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
+    object_property_set_bool(OBJECT(vdev), true, "realized", errp);
+}
+
+static void vhost_vsock_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_vsock_pci_realize;
+    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+    dc->props = vhost_vsock_pci_properties;
+    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+    pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK;
+    pcidev_k->revision = 0x00;
+    pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
+}
+
+static void vhost_vsock_pci_instance_init(Object *obj)
+{
+    VHostVSockPCI *dev = VHOST_VSOCK_PCI(obj);
+
+    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+                                TYPE_VHOST_VSOCK);
+}
+
+static const VirtioPCIDeviceTypeInfo vhost_vsock_pci_info = {
+    .base_name             = TYPE_VHOST_VSOCK_PCI,
+    .generic_name          = "vhost-vsock-pci",
+    .transitional_name     = "vhost-vsock-pci-transitional",
+    .non_transitional_name = "vhost-vsock-pci-non-transitional",
+    .instance_size = sizeof(VHostVSockPCI),
+    .instance_init = vhost_vsock_pci_instance_init,
+    .class_init    = vhost_vsock_pci_class_init,
+};
+
+static void virtio_pci_vhost_register(void)
+{
+    virtio_pci_types_register(&vhost_vsock_pci_info);
+}
+
+type_init(virtio_pci_vhost_register)
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
@@ -2304,53 +2304,6 @@ static const VirtioPCIDeviceTypeInfo vhost_scsi_pci_info = {
 };
 #endif
 
-/* vhost-vsock-pci */
-
-#ifdef CONFIG_VHOST_VSOCK
-static Property vhost_vsock_pci_properties[] = {
-    DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void vhost_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
-{
-    VHostVSockPCI *dev = VHOST_VSOCK_PCI(vpci_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-
-    qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", errp);
-}
-
-static void vhost_vsock_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_vsock_pci_realize;
-    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
-    dc->props = vhost_vsock_pci_properties;
-    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
-    pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_VSOCK;
-    pcidev_k->revision = 0x00;
-    pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
-}
-
-static void vhost_vsock_pci_instance_init(Object *obj)
-{
-    VHostVSockPCI *dev = VHOST_VSOCK_PCI(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VHOST_VSOCK);
-}
-
-static const VirtioPCIDeviceTypeInfo vhost_vsock_pci_info = {
-    .generic_name  = TYPE_VHOST_VSOCK_PCI,
-    .instance_size = sizeof(VHostVSockPCI),
-    .instance_init = vhost_vsock_pci_instance_init,
-    .class_init    = vhost_vsock_pci_class_init,
-};
-#endif
-
 /* virtio-balloon-pci */
 
 static Property virtio_balloon_pci_properties[] = {
@@ -2785,9 +2738,6 @@ static void virtio_pci_register_types(void)
 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
     virtio_pci_types_register(&vhost_user_scsi_pci_info);
 #endif
-#ifdef CONFIG_VHOST_VSOCK
-    virtio_pci_types_register(&vhost_vsock_pci_info);
-#endif
 }
 
 type_init(virtio_pci_register_types)
diff --git a/hw/virtio/virtio-pci.h b/hw/virtio/virtio-pci.h
@@ -33,9 +33,6 @@
 #ifdef CONFIG_VHOST_SCSI
 #include "hw/virtio/vhost-scsi.h"
 #endif
-#ifdef CONFIG_VHOST_VSOCK
-#include "hw/virtio/vhost-vsock.h"
-#endif
 
 typedef struct VirtIOPCIProxy VirtIOPCIProxy;
 typedef struct VirtIOBlkPCI VirtIOBlkPCI;
@@ -49,7 +46,6 @@ typedef struct VirtIOInputPCI VirtIOInputPCI;
 typedef struct VirtIOInputHIDPCI VirtIOInputHIDPCI;
 typedef struct VirtIOInputHostPCI VirtIOInputHostPCI;
 typedef struct VirtIOGPUPCI VirtIOGPUPCI;
-typedef struct VHostVSockPCI VHostVSockPCI;
 typedef struct VirtIOCryptoPCI VirtIOCryptoPCI;
 
 /* virtio-pci-bus */
@@ -356,20 +352,6 @@ struct VirtIOGPUPCI {
     VirtIOGPU vdev;
 };
 
-#ifdef CONFIG_VHOST_VSOCK
-/*
- * vhost-vsock-pci: This extends VirtioPCIProxy.
- */
-#define TYPE_VHOST_VSOCK_PCI "vhost-vsock-pci"
-#define VHOST_VSOCK_PCI(obj) \
-        OBJECT_CHECK(VHostVSockPCI, (obj), TYPE_VHOST_VSOCK_PCI)
-
-struct VHostVSockPCI {
-    VirtIOPCIProxy parent_obj;
-    VHostVSock vdev;
-};
-#endif
-
 /*
  * virtio-crypto-pci: This extends VirtioPCIProxy.
  */