0b8fa32f55
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]
115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
/*
|
|
* libqos driver framework
|
|
*
|
|
* Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "libqtest.h"
|
|
#include "qemu/module.h"
|
|
#include "libqos/qgraph.h"
|
|
#include "libqos/virtio-balloon.h"
|
|
|
|
/* virtio-balloon-device */
|
|
static void *qvirtio_balloon_get_driver(QVirtioBalloon *v_balloon,
|
|
const char *interface)
|
|
{
|
|
if (!g_strcmp0(interface, "virtio-balloon")) {
|
|
return v_balloon;
|
|
}
|
|
if (!g_strcmp0(interface, "virtio")) {
|
|
return v_balloon->vdev;
|
|
}
|
|
|
|
fprintf(stderr, "%s not present in virtio-balloon-device\n", interface);
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
static void *qvirtio_balloon_device_get_driver(void *object,
|
|
const char *interface)
|
|
{
|
|
QVirtioBalloonDevice *v_balloon = object;
|
|
return qvirtio_balloon_get_driver(&v_balloon->balloon, interface);
|
|
}
|
|
|
|
static void *virtio_balloon_device_create(void *virtio_dev,
|
|
QGuestAllocator *t_alloc,
|
|
void *addr)
|
|
{
|
|
QVirtioBalloonDevice *virtio_bdevice = g_new0(QVirtioBalloonDevice, 1);
|
|
QVirtioBalloon *interface = &virtio_bdevice->balloon;
|
|
|
|
interface->vdev = virtio_dev;
|
|
|
|
virtio_bdevice->obj.get_driver = qvirtio_balloon_device_get_driver;
|
|
|
|
return &virtio_bdevice->obj;
|
|
}
|
|
|
|
/* virtio-balloon-pci */
|
|
static void *qvirtio_balloon_pci_get_driver(void *object,
|
|
const char *interface)
|
|
{
|
|
QVirtioBalloonPCI *v_balloon = object;
|
|
if (!g_strcmp0(interface, "pci-device")) {
|
|
return v_balloon->pci_vdev.pdev;
|
|
}
|
|
return qvirtio_balloon_get_driver(&v_balloon->balloon, interface);
|
|
}
|
|
|
|
static void *virtio_balloon_pci_create(void *pci_bus, QGuestAllocator *t_alloc,
|
|
void *addr)
|
|
{
|
|
QVirtioBalloonPCI *virtio_bpci = g_new0(QVirtioBalloonPCI, 1);
|
|
QVirtioBalloon *interface = &virtio_bpci->balloon;
|
|
QOSGraphObject *obj = &virtio_bpci->pci_vdev.obj;
|
|
|
|
|
|
virtio_pci_init(&virtio_bpci->pci_vdev, pci_bus, addr);
|
|
interface->vdev = &virtio_bpci->pci_vdev.vdev;
|
|
|
|
obj->get_driver = qvirtio_balloon_pci_get_driver;
|
|
|
|
return obj;
|
|
}
|
|
|
|
static void virtio_balloon_register_nodes(void)
|
|
{
|
|
QPCIAddress addr = {
|
|
.devfn = QPCI_DEVFN(4, 0),
|
|
};
|
|
|
|
QOSGraphEdgeOptions opts = {
|
|
.extra_device_opts = "addr=04.0",
|
|
};
|
|
|
|
/* virtio-balloon-device */
|
|
qos_node_create_driver("virtio-balloon-device",
|
|
virtio_balloon_device_create);
|
|
qos_node_consumes("virtio-balloon-device", "virtio-bus", NULL);
|
|
qos_node_produces("virtio-balloon-device", "virtio");
|
|
qos_node_produces("virtio-balloon-device", "virtio-balloon");
|
|
|
|
/* virtio-balloon-pci */
|
|
add_qpci_address(&opts, &addr);
|
|
qos_node_create_driver("virtio-balloon-pci", virtio_balloon_pci_create);
|
|
qos_node_consumes("virtio-balloon-pci", "pci-bus", &opts);
|
|
qos_node_produces("virtio-balloon-pci", "pci-device");
|
|
qos_node_produces("virtio-balloon-pci", "virtio");
|
|
qos_node_produces("virtio-balloon-pci", "virtio-balloon");
|
|
}
|
|
|
|
libqos_init(virtio_balloon_register_nodes);
|