|
|
@@ -0,0 +1,100 @@
|
|
|
+/*
|
|
|
+ * Virtio blk PCI Bindings
|
|
|
+ *
|
|
|
+ * Copyright IBM, Corp. 2007
|
|
|
+ * Copyright (c) 2009 CodeSourcery
|
|
|
+ *
|
|
|
+ * Authors:
|
|
|
+ * Anthony Liguori <aliguori@us.ibm.com>
|
|
|
+ * Paul Brook <paul@codesourcery.com>
|
|
|
+ *
|
|
|
+ * This work is licensed under the terms of the GNU GPL, version 2. See
|
|
|
+ * the COPYING file in the top-level directory.
|
|
|
+ *
|
|
|
+ * Contributions after 2012-01-13 are licensed under the terms of the
|
|
|
+ * GNU GPL, version 2 or (at your option) any later version.
|
|
|
+ */
|
|
|
+
|
|
|
+#include "qemu/osdep.h"
|
|
|
+
|
|
|
+#include "hw/virtio/virtio-blk.h"
|
|
|
+#include "virtio-pci.h"
|
|
|
+#include "qapi/error.h"
|
|
|
+
|
|
|
+typedef struct VirtIOBlkPCI VirtIOBlkPCI;
|
|
|
+
|
|
|
+/*
|
|
|
+ * virtio-blk-pci: This extends VirtioPCIProxy.
|
|
|
+ */
|
|
|
+#define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci-base"
|
|
|
+#define VIRTIO_BLK_PCI(obj) \
|
|
|
+ OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI)
|
|
|
+
|
|
|
+struct VirtIOBlkPCI {
|
|
|
+ VirtIOPCIProxy parent_obj;
|
|
|
+ VirtIOBlock vdev;
|
|
|
+};
|
|
|
+
|
|
|
+static Property virtio_blk_pci_properties[] = {
|
|
|
+ DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0),
|
|
|
+ DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
|
|
|
+ VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
|
|
|
+ DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
|
|
|
+ DEV_NVECTORS_UNSPECIFIED),
|
|
|
+ DEFINE_PROP_END_OF_LIST(),
|
|
|
+};
|
|
|
+
|
|
|
+static void virtio_blk_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
|
|
|
+{
|
|
|
+ VirtIOBlkPCI *dev = VIRTIO_BLK_PCI(vpci_dev);
|
|
|
+ DeviceState *vdev = DEVICE(&dev->vdev);
|
|
|
+
|
|
|
+ if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
|
|
|
+ vpci_dev->nvectors = dev->vdev.conf.num_queues + 1;
|
|
|
+ }
|
|
|
+
|
|
|
+ qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
|
|
|
+ object_property_set_bool(OBJECT(vdev), true, "realized", errp);
|
|
|
+}
|
|
|
+
|
|
|
+static void virtio_blk_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);
|
|
|
+
|
|
|
+ set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
|
|
|
+ dc->props = virtio_blk_pci_properties;
|
|
|
+ k->realize = virtio_blk_pci_realize;
|
|
|
+ pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
|
|
|
+ pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK;
|
|
|
+ pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
|
|
|
+ pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
|
|
|
+}
|
|
|
+
|
|
|
+static void virtio_blk_pci_instance_init(Object *obj)
|
|
|
+{
|
|
|
+ VirtIOBlkPCI *dev = VIRTIO_BLK_PCI(obj);
|
|
|
+
|
|
|
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
|
|
|
+ TYPE_VIRTIO_BLK);
|
|
|
+ object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
|
|
|
+ "bootindex", &error_abort);
|
|
|
+}
|
|
|
+
|
|
|
+static const VirtioPCIDeviceTypeInfo virtio_blk_pci_info = {
|
|
|
+ .base_name = TYPE_VIRTIO_BLK_PCI,
|
|
|
+ .generic_name = "virtio-blk-pci",
|
|
|
+ .transitional_name = "virtio-blk-pci-transitional",
|
|
|
+ .non_transitional_name = "virtio-blk-pci-non-transitional",
|
|
|
+ .instance_size = sizeof(VirtIOBlkPCI),
|
|
|
+ .instance_init = virtio_blk_pci_instance_init,
|
|
|
+ .class_init = virtio_blk_pci_class_init,
|
|
|
+};
|
|
|
+
|
|
|
+static void virtio_blk_pci_register(void)
|
|
|
+{
|
|
|
+ virtio_pci_types_register(&virtio_blk_pci_info);
|
|
|
+}
|
|
|
+
|
|
|
+type_init(virtio_blk_pci_register)
|
Juan Quintela