This patch adds virtio-iommu-pci, which is the pci proxy for
the virtio-iommu device.
Signed-off-by: Eric Auger <eric.au...@redhat.com>
---
v8 -> v9:
- add the msi-bypass property
- create virtio-iommu-pci.c
---
hw/virtio/Makefile.objs | 1 +
hw/virtio/virtio-iommu-pci.c | 88 ++++++++++++++++++++++++++++++++
include/hw/pci/pci.h | 1 +
include/hw/virtio/virtio-iommu.h | 1 +
qdev-monitor.c | 1 +
5 files changed, 92 insertions(+)
create mode 100644 hw/virtio/virtio-iommu-pci.c
diff --git a/hw/virtio/Makefile.objs b/hw/virtio/Makefile.objs
index f42e4dd94f..80ca719f1c 100644
--- a/hw/virtio/Makefile.objs
+++ b/hw/virtio/Makefile.objs
@@ -27,6 +27,7 @@ obj-$(CONFIG_VIRTIO_INPUT_HOST) += virtio-input-host-pci.o
obj-$(CONFIG_VIRTIO_INPUT) += virtio-input-pci.o
obj-$(CONFIG_VIRTIO_RNG) += virtio-rng-pci.o
obj-$(CONFIG_VIRTIO_BALLOON) += virtio-balloon-pci.o
+obj-$(CONFIG_VIRTIO_IOMMU) += virtio-iommu-pci.o
obj-$(CONFIG_VIRTIO_9P) += virtio-9p-pci.o
obj-$(CONFIG_VIRTIO_SCSI) += virtio-scsi-pci.o
obj-$(CONFIG_VIRTIO_BLK) += virtio-blk-pci.o
diff --git a/hw/virtio/virtio-iommu-pci.c b/hw/virtio/virtio-iommu-pci.c
new file mode 100644
index 0000000000..f9977096bd
--- /dev/null
+++ b/hw/virtio/virtio-iommu-pci.c
@@ -0,0 +1,88 @@
+/*
+ * Virtio IOMMU PCI Bindings
+ *
+ * Copyright (c) 2019 Red Hat, Inc.
+ * Written by Eric Auger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or
+ * (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+
+#include "virtio-pci.h"
+#include "hw/virtio/virtio-iommu.h"
+
+typedef struct VirtIOIOMMUPCI VirtIOIOMMUPCI;
+
+/*
+ * virtio-iommu-pci: This extends VirtioPCIProxy.
+ *
+ */
+#define VIRTIO_IOMMU_PCI(obj) \
+ OBJECT_CHECK(VirtIOIOMMUPCI, (obj), TYPE_VIRTIO_IOMMU_PCI)
+
+struct VirtIOIOMMUPCI {
+ VirtIOPCIProxy parent_obj;
+ VirtIOIOMMU vdev;
+};
+
+static Property virtio_iommu_pci_properties[] = {
+ DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0),
+ DEFINE_PROP_BOOL("msi-bypass", VirtIOIOMMUPCI, vdev.msi_bypass, true),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_iommu_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
+{
+ VirtIOIOMMUPCI *dev = VIRTIO_IOMMU_PCI(vpci_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+
+ qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
+ object_property_set_link(OBJECT(dev),
+ OBJECT(pci_get_bus(&vpci_dev->pci_dev)),
+ "primary-bus", errp);
+ object_property_set_bool(OBJECT(vdev), true, "realized", errp);
+}
+
+static void virtio_iommu_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 = virtio_iommu_pci_realize;
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+ dc->props = virtio_iommu_pci_properties;
+ pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+ pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_IOMMU;
+ pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
+ pcidev_k->class_id = PCI_CLASS_OTHERS;
+}
+
+static void virtio_iommu_pci_instance_init(Object *obj)
+{
+ VirtIOIOMMUPCI *dev = VIRTIO_IOMMU_PCI(obj);
+
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VIRTIO_IOMMU);
+}
+
+static const VirtioPCIDeviceTypeInfo virtio_iommu_pci_info = {
+ .base_name = TYPE_VIRTIO_IOMMU_PCI,
+ .generic_name = "virtio-iommu-pci",
+ .transitional_name = "virtio-iommu-pci-transitional",
+ .non_transitional_name = "virtio-iommu-pci-non-transitional",
+ .instance_size = sizeof(VirtIOIOMMUPCI),
+ .instance_init = virtio_iommu_pci_instance_init,
+ .class_init = virtio_iommu_pci_class_init,
+};
+
+static void virtio_iommu_pci_register(void)
+{
+ virtio_pci_types_register(&virtio_iommu_pci_info);
+}
+
+type_init(virtio_iommu_pci_register)
+
+
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index aaf1b9f70d..492ea7e68d 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -86,6 +86,7 @@ extern bool pci_available;
#define PCI_DEVICE_ID_VIRTIO_9P 0x1009
#define PCI_DEVICE_ID_VIRTIO_VSOCK 0x1012
#define PCI_DEVICE_ID_VIRTIO_PMEM 0x1013
+#define PCI_DEVICE_ID_VIRTIO_IOMMU 0x1014
#define PCI_VENDOR_ID_REDHAT 0x1b36
#define PCI_DEVICE_ID_REDHAT_BRIDGE 0x0001
diff --git a/include/hw/virtio/virtio-iommu.h b/include/hw/virtio/virtio-iommu.h
index 56c8b4e57f..893ac65c0b 100644
--- a/include/hw/virtio/virtio-iommu.h
+++ b/include/hw/virtio/virtio-iommu.h
@@ -25,6 +25,7 @@
#include "hw/pci/pci.h"
#define TYPE_VIRTIO_IOMMU "virtio-iommu-device"
+#define TYPE_VIRTIO_IOMMU_PCI "virtio-iommu-device-base"
#define VIRTIO_IOMMU(obj) \
OBJECT_CHECK(VirtIOIOMMU, (obj), TYPE_VIRTIO_IOMMU)
diff --git a/qdev-monitor.c b/qdev-monitor.c
index 58222c2211..74cf090c61 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -63,6 +63,7 @@ static const QDevAlias qdev_alias_table[] = {
{ "virtio-input-host-ccw", "virtio-input-host", QEMU_ARCH_S390X },
{ "virtio-input-host-pci", "virtio-input-host",
QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
+ { "virtio-iommu-pci", "virtio-iommu", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
{ "virtio-keyboard-ccw", "virtio-keyboard", QEMU_ARCH_S390X },
{ "virtio-keyboard-pci", "virtio-keyboard",
QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
--
2.20.1
