1cf4323ecd
The qos stuff belongs to qtest, so move it into that directory, too. Message-Id: <20191218103059.11729-8-thuth@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/*
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* libqos driver framework
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*
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* Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>
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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 "libqos/qgraph.h"
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#include "libqos/virtio-rng.h"
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/* virtio-rng-device */
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static void *qvirtio_rng_get_driver(QVirtioRng *v_rng,
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const char *interface)
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{
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if (!g_strcmp0(interface, "virtio-rng")) {
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return v_rng;
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}
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if (!g_strcmp0(interface, "virtio")) {
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return v_rng->vdev;
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}
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fprintf(stderr, "%s not present in virtio-rng-device\n", interface);
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g_assert_not_reached();
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}
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static void *qvirtio_rng_device_get_driver(void *object,
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const char *interface)
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{
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QVirtioRngDevice *v_rng = object;
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return qvirtio_rng_get_driver(&v_rng->rng, interface);
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}
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static void *virtio_rng_device_create(void *virtio_dev,
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QGuestAllocator *t_alloc,
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void *addr)
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{
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QVirtioRngDevice *virtio_rdevice = g_new0(QVirtioRngDevice, 1);
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QVirtioRng *interface = &virtio_rdevice->rng;
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interface->vdev = virtio_dev;
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virtio_rdevice->obj.get_driver = qvirtio_rng_device_get_driver;
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return &virtio_rdevice->obj;
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}
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/* virtio-rng-pci */
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static void *qvirtio_rng_pci_get_driver(void *object, const char *interface)
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{
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QVirtioRngPCI *v_rng = object;
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if (!g_strcmp0(interface, "pci-device")) {
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return v_rng->pci_vdev.pdev;
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}
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return qvirtio_rng_get_driver(&v_rng->rng, interface);
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}
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static void *virtio_rng_pci_create(void *pci_bus, QGuestAllocator *t_alloc,
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void *addr)
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{
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QVirtioRngPCI *virtio_rpci = g_new0(QVirtioRngPCI, 1);
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QVirtioRng *interface = &virtio_rpci->rng;
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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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obj->get_driver = qvirtio_rng_pci_get_driver;
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return obj;
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}
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static void virtio_rng_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-rng-device */
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qos_node_create_driver("virtio-rng-device", virtio_rng_device_create);
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qos_node_consumes("virtio-rng-device", "virtio-bus", NULL);
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qos_node_produces("virtio-rng-device", "virtio");
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qos_node_produces("virtio-rng-device", "virtio-rng");
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/* virtio-rng-pci */
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add_qpci_address(&opts, &addr);
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qos_node_create_driver("virtio-rng-pci", virtio_rng_pci_create);
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qos_node_consumes("virtio-rng-pci", "pci-bus", &opts);
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qos_node_produces("virtio-rng-pci", "pci-device");
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qos_node_produces("virtio-rng-pci", "virtio");
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qos_node_produces("virtio-rng-pci", "virtio-rng");
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}
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libqos_init(virtio_rng_register_nodes);
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