[PATCH RFC 04/19] vfio-user: Define type vfio_user_pci_dev_info

[Elena Ufimtseva]

From: John G Johnson <john.g.johnson@oracle.com>

New class for vfio-user with its class and instance
constructors and destructors.

Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
---
 hw/vfio/pci.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index bea95efc33..554b562769 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -42,6 +42,7 @@
 #include "qapi/error.h"
 #include "migration/blocker.h"
 #include "migration/qemu-file.h"
+#include "hw/vfio/user.h"
 
 #define TYPE_VFIO_PCI_NOHOTPLUG "vfio-pci-nohotplug"
 
@@ -3326,3 +3327,51 @@ static void register_vfio_pci_dev_type(void)
 }
 
 type_init(register_vfio_pci_dev_type)
+
+static void vfio_user_pci_realize(PCIDevice *pdev, Error **errp)
+{
+    ERRP_GUARD();
+    VFIOUserPCIDevice *udev = VFIO_USER_PCI(pdev);
+
+    if (!udev->sock_name) {
+        error_setg(errp, "No socket specified");
+        error_append_hint(errp, "Use -device vfio-user-pci,socket=<name>\n");
+        return;
+    }
+}
+
+static void vfio_user_instance_finalize(Object *obj)
+{
+}
+
+static Property vfio_user_pci_dev_properties[] = {
+    DEFINE_PROP_STRING("socket", VFIOUserPCIDevice, sock_name),
+    DEFINE_PROP_BOOL("secure-dma", VFIOUserPCIDevice, secure, false),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void vfio_user_pci_dev_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *pdc = PCI_DEVICE_CLASS(klass);
+
+    device_class_set_props(dc, vfio_user_pci_dev_properties);
+    dc->desc = "VFIO over socket PCI device assignment";
+    pdc->realize = vfio_user_pci_realize;
+}
+
+static const TypeInfo vfio_user_pci_dev_info = {
+    .name = TYPE_VFIO_USER_PCI,
+    .parent = TYPE_VFIO_PCI_BASE,
+    .instance_size = sizeof(VFIOUserPCIDevice),
+    .class_init = vfio_user_pci_dev_class_init,
+    .instance_init = vfio_instance_init,
+    .instance_finalize = vfio_user_instance_finalize,
+};
+
+static void register_vfio_user_dev_type(void)
+{
+    type_register_static(&vfio_user_pci_dev_info);
+}
+
+type_init(register_vfio_user_dev_type)
-- 
2.25.1