907b5105f1
Since commit a2ce7dbd91 ("meson: convert tests/qtest to meson"),
libqtest.h is under libqos/ directory, while libqtest.c is still in
qtest/. Move back to its original location to avoid mixing with libqos/.
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/*
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* libqos driver virtio-iommu-pci framework
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*
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* Copyright (c) 2021 Red Hat, Inc.
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*
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* Authors:
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* Eric Auger <eric.auger@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at your
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* option) any later version. See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "../libqtest.h"
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#include "qemu/module.h"
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#include "qgraph.h"
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#include "virtio-iommu.h"
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#include "hw/virtio/virtio-iommu.h"
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static QGuestAllocator *alloc;
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/* virtio-iommu-device */
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static void *qvirtio_iommu_get_driver(QVirtioIOMMU *v_iommu,
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const char *interface)
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{
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if (!g_strcmp0(interface, "virtio-iommu")) {
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return v_iommu;
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}
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if (!g_strcmp0(interface, "virtio")) {
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return v_iommu->vdev;
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}
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fprintf(stderr, "%s not present in virtio-iommu-device\n", interface);
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g_assert_not_reached();
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}
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static void virtio_iommu_cleanup(QVirtioIOMMU *interface)
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{
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qvirtqueue_cleanup(interface->vdev->bus, interface->vq, alloc);
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}
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static void virtio_iommu_setup(QVirtioIOMMU *interface)
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{
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QVirtioDevice *vdev = interface->vdev;
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uint64_t features;
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features = qvirtio_get_features(vdev);
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features &= ~(QVIRTIO_F_BAD_FEATURE |
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(1ull << VIRTIO_RING_F_INDIRECT_DESC) |
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(1ull << VIRTIO_RING_F_EVENT_IDX) |
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(1ull << VIRTIO_IOMMU_F_BYPASS));
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qvirtio_set_features(vdev, features);
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interface->vq = qvirtqueue_setup(interface->vdev, alloc, 0);
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qvirtio_set_driver_ok(interface->vdev);
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}
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/* virtio-iommu-pci */
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static void *qvirtio_iommu_pci_get_driver(void *object, const char *interface)
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{
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QVirtioIOMMUPCI *v_iommu = object;
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if (!g_strcmp0(interface, "pci-device")) {
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return v_iommu->pci_vdev.pdev;
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}
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return qvirtio_iommu_get_driver(&v_iommu->iommu, interface);
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}
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static void qvirtio_iommu_pci_destructor(QOSGraphObject *obj)
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{
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QVirtioIOMMUPCI *iommu_pci = (QVirtioIOMMUPCI *) obj;
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QVirtioIOMMU *interface = &iommu_pci->iommu;
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QOSGraphObject *pci_vobj = &iommu_pci->pci_vdev.obj;
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virtio_iommu_cleanup(interface);
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qvirtio_pci_destructor(pci_vobj);
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}
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static void qvirtio_iommu_pci_start_hw(QOSGraphObject *obj)
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{
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QVirtioIOMMUPCI *iommu_pci = (QVirtioIOMMUPCI *) obj;
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QVirtioIOMMU *interface = &iommu_pci->iommu;
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QOSGraphObject *pci_vobj = &iommu_pci->pci_vdev.obj;
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qvirtio_pci_start_hw(pci_vobj);
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virtio_iommu_setup(interface);
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}
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static void *virtio_iommu_pci_create(void *pci_bus, QGuestAllocator *t_alloc,
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void *addr)
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{
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QVirtioIOMMUPCI *virtio_rpci = g_new0(QVirtioIOMMUPCI, 1);
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QVirtioIOMMU *interface = &virtio_rpci->iommu;
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QOSGraphObject *obj = &virtio_rpci->pci_vdev.obj;
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virtio_pci_init(&virtio_rpci->pci_vdev, pci_bus, addr);
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interface->vdev = &virtio_rpci->pci_vdev.vdev;
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alloc = t_alloc;
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obj->get_driver = qvirtio_iommu_pci_get_driver;
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obj->start_hw = qvirtio_iommu_pci_start_hw;
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obj->destructor = qvirtio_iommu_pci_destructor;
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return obj;
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}
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static void virtio_iommu_register_nodes(void)
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{
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QPCIAddress addr = {
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.devfn = QPCI_DEVFN(4, 0),
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};
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QOSGraphEdgeOptions opts = {
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.extra_device_opts = "addr=04.0",
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};
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/* virtio-iommu-pci */
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add_qpci_address(&opts, &addr);
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qos_node_create_driver("virtio-iommu-pci", virtio_iommu_pci_create);
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qos_node_consumes("virtio-iommu-pci", "pci-bus", &opts);
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qos_node_produces("virtio-iommu-pci", "pci-device");
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qos_node_produces("virtio-iommu-pci", "virtio");
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qos_node_produces("virtio-iommu-pci", "virtio-iommu");
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}
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libqos_init(virtio_iommu_register_nodes);
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