Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-4-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c; ui/cocoa.m fixed up]
175 lines
5.1 KiB
C
175 lines
5.1 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 "standard-headers/linux/virtio_ids.h"
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#include "libqos/virtio-9p.h"
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#include "libqos/qgraph.h"
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static QGuestAllocator *alloc;
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static void virtio_9p_cleanup(QVirtio9P *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_9p_setup(QVirtio9P *interface)
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{
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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-9p-device */
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static void virtio_9p_device_destructor(QOSGraphObject *obj)
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{
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QVirtio9PDevice *v_9p = (QVirtio9PDevice *) obj;
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QVirtio9P *v9p = &v_9p->v9p;
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virtio_9p_cleanup(v9p);
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}
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static void virtio_9p_device_start_hw(QOSGraphObject *obj)
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{
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QVirtio9PDevice *v_9p = (QVirtio9PDevice *) obj;
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QVirtio9P *v9p = &v_9p->v9p;
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virtio_9p_setup(v9p);
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}
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static void *virtio_9p_get_driver(QVirtio9P *v_9p,
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const char *interface)
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{
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if (!g_strcmp0(interface, "virtio-9p")) {
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return v_9p;
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}
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if (!g_strcmp0(interface, "virtio")) {
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return v_9p->vdev;
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}
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fprintf(stderr, "%s not present in virtio-9p-device\n", interface);
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g_assert_not_reached();
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}
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static void *virtio_9p_device_get_driver(void *object, const char *interface)
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{
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QVirtio9PDevice *v_9p = object;
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return virtio_9p_get_driver(&v_9p->v9p, interface);
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}
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static void *virtio_9p_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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QVirtio9PDevice *virtio_device = g_new0(QVirtio9PDevice, 1);
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QVirtio9P *interface = &virtio_device->v9p;
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interface->vdev = virtio_dev;
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alloc = t_alloc;
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virtio_device->obj.destructor = virtio_9p_device_destructor;
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virtio_device->obj.get_driver = virtio_9p_device_get_driver;
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virtio_device->obj.start_hw = virtio_9p_device_start_hw;
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return &virtio_device->obj;
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}
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/* virtio-9p-pci */
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static void virtio_9p_pci_destructor(QOSGraphObject *obj)
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{
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QVirtio9PPCI *v9_pci = (QVirtio9PPCI *) obj;
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QVirtio9P *interface = &v9_pci->v9p;
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QOSGraphObject *pci_vobj = &v9_pci->pci_vdev.obj;
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virtio_9p_cleanup(interface);
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qvirtio_pci_destructor(pci_vobj);
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}
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static void virtio_9p_pci_start_hw(QOSGraphObject *obj)
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{
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QVirtio9PPCI *v9_pci = (QVirtio9PPCI *) obj;
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QVirtio9P *interface = &v9_pci->v9p;
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QOSGraphObject *pci_vobj = &v9_pci->pci_vdev.obj;
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qvirtio_pci_start_hw(pci_vobj);
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virtio_9p_setup(interface);
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}
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static void *virtio_9p_pci_get_driver(void *object, const char *interface)
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{
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QVirtio9PPCI *v_9p = object;
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if (!g_strcmp0(interface, "pci-device")) {
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return v_9p->pci_vdev.pdev;
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}
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return virtio_9p_get_driver(&v_9p->v9p, interface);
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}
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static void *virtio_9p_pci_create(void *pci_bus, QGuestAllocator *t_alloc,
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void *addr)
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{
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QVirtio9PPCI *v9_pci = g_new0(QVirtio9PPCI, 1);
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QVirtio9P *interface = &v9_pci->v9p;
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QOSGraphObject *obj = &v9_pci->pci_vdev.obj;
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virtio_pci_init(&v9_pci->pci_vdev, pci_bus, addr);
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interface->vdev = &v9_pci->pci_vdev.vdev;
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alloc = t_alloc;
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g_assert_cmphex(interface->vdev->device_type, ==, VIRTIO_ID_9P);
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obj->destructor = virtio_9p_pci_destructor;
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obj->start_hw = virtio_9p_pci_start_hw;
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obj->get_driver = virtio_9p_pci_get_driver;
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return obj;
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}
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static void virtio_9p_register_nodes(void)
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{
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const char *str_simple = "fsdev=fsdev0,mount_tag=" MOUNT_TAG;
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const char *str_addr = "fsdev=fsdev0,addr=04.0,mount_tag=" MOUNT_TAG;
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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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.before_cmd_line = "-fsdev synth,id=fsdev0",
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};
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/* virtio-9p-device */
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opts.extra_device_opts = str_simple,
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qos_node_create_driver("virtio-9p-device", virtio_9p_device_create);
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qos_node_consumes("virtio-9p-device", "virtio-bus", &opts);
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qos_node_produces("virtio-9p-device", "virtio");
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qos_node_produces("virtio-9p-device", "virtio-9p");
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/* virtio-9p-pci */
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opts.extra_device_opts = str_addr;
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add_qpci_address(&opts, &addr);
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qos_node_create_driver("virtio-9p-pci", virtio_9p_pci_create);
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qos_node_consumes("virtio-9p-pci", "pci-bus", &opts);
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qos_node_produces("virtio-9p-pci", "pci-device");
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qos_node_produces("virtio-9p-pci", "virtio");
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qos_node_produces("virtio-9p-pci", "virtio-9p");
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}
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libqos_init(virtio_9p_register_nodes);
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