mirror of
https://github.com/qemu/qemu.git
synced 2024-12-04 09:13:39 +08:00
f68ec01fe9
Qemu fails with below error when trying to run with virtio pmem:
(qemu) qemu-system-x86_64: -device virtio-pmem-pci,memdev=mem1,id=nv1:
device is modern-only, use disable-legacy=on
This patch fixes this by forcing virtio 1 with virtio-pmem.
fixes: adf0748a49 ("virtio-pci: Proxy for virtio-pmem")
Signed-off-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Message-Id: <20200925102251.7216-1-pankaj.gupta.linux@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
130 lines
4.1 KiB
C
130 lines
4.1 KiB
C
/*
|
|
* Virtio PMEM PCI device
|
|
*
|
|
* Copyright (C) 2018-2019 Red Hat, Inc.
|
|
*
|
|
* Authors:
|
|
* Pankaj Gupta <pagupta@redhat.com>
|
|
* David Hildenbrand <david@redhat.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
|
|
#include "virtio-pmem-pci.h"
|
|
#include "hw/mem/memory-device.h"
|
|
#include "qapi/error.h"
|
|
|
|
static void virtio_pmem_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
|
|
{
|
|
VirtIOPMEMPCI *pmem_pci = VIRTIO_PMEM_PCI(vpci_dev);
|
|
DeviceState *vdev = DEVICE(&pmem_pci->vdev);
|
|
|
|
virtio_pci_force_virtio_1(vpci_dev);
|
|
qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
|
|
}
|
|
|
|
static void virtio_pmem_pci_set_addr(MemoryDeviceState *md, uint64_t addr,
|
|
Error **errp)
|
|
{
|
|
object_property_set_uint(OBJECT(md), VIRTIO_PMEM_ADDR_PROP, addr, errp);
|
|
}
|
|
|
|
static uint64_t virtio_pmem_pci_get_addr(const MemoryDeviceState *md)
|
|
{
|
|
return object_property_get_uint(OBJECT(md), VIRTIO_PMEM_ADDR_PROP,
|
|
&error_abort);
|
|
}
|
|
|
|
static MemoryRegion *virtio_pmem_pci_get_memory_region(MemoryDeviceState *md,
|
|
Error **errp)
|
|
{
|
|
VirtIOPMEMPCI *pci_pmem = VIRTIO_PMEM_PCI(md);
|
|
VirtIOPMEM *pmem = VIRTIO_PMEM(&pci_pmem->vdev);
|
|
VirtIOPMEMClass *vpc = VIRTIO_PMEM_GET_CLASS(pmem);
|
|
|
|
return vpc->get_memory_region(pmem, errp);
|
|
}
|
|
|
|
static uint64_t virtio_pmem_pci_get_plugged_size(const MemoryDeviceState *md,
|
|
Error **errp)
|
|
{
|
|
VirtIOPMEMPCI *pci_pmem = VIRTIO_PMEM_PCI(md);
|
|
VirtIOPMEM *pmem = VIRTIO_PMEM(&pci_pmem->vdev);
|
|
VirtIOPMEMClass *vpc = VIRTIO_PMEM_GET_CLASS(pmem);
|
|
MemoryRegion *mr = vpc->get_memory_region(pmem, errp);
|
|
|
|
/* the plugged size corresponds to the region size */
|
|
return mr ? memory_region_size(mr) : 0;
|
|
}
|
|
|
|
static void virtio_pmem_pci_fill_device_info(const MemoryDeviceState *md,
|
|
MemoryDeviceInfo *info)
|
|
{
|
|
VirtioPMEMDeviceInfo *vi = g_new0(VirtioPMEMDeviceInfo, 1);
|
|
VirtIOPMEMPCI *pci_pmem = VIRTIO_PMEM_PCI(md);
|
|
VirtIOPMEM *pmem = VIRTIO_PMEM(&pci_pmem->vdev);
|
|
VirtIOPMEMClass *vpc = VIRTIO_PMEM_GET_CLASS(pmem);
|
|
DeviceState *dev = DEVICE(md);
|
|
|
|
if (dev->id) {
|
|
vi->has_id = true;
|
|
vi->id = g_strdup(dev->id);
|
|
}
|
|
|
|
/* let the real device handle everything else */
|
|
vpc->fill_device_info(pmem, vi);
|
|
|
|
info->u.virtio_pmem.data = vi;
|
|
info->type = MEMORY_DEVICE_INFO_KIND_VIRTIO_PMEM;
|
|
}
|
|
|
|
static void virtio_pmem_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);
|
|
MemoryDeviceClass *mdc = MEMORY_DEVICE_CLASS(klass);
|
|
|
|
k->realize = virtio_pmem_pci_realize;
|
|
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
|
|
pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
|
|
pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_PMEM;
|
|
pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
|
|
pcidev_k->class_id = PCI_CLASS_OTHERS;
|
|
|
|
mdc->get_addr = virtio_pmem_pci_get_addr;
|
|
mdc->set_addr = virtio_pmem_pci_set_addr;
|
|
mdc->get_plugged_size = virtio_pmem_pci_get_plugged_size;
|
|
mdc->get_memory_region = virtio_pmem_pci_get_memory_region;
|
|
mdc->fill_device_info = virtio_pmem_pci_fill_device_info;
|
|
}
|
|
|
|
static void virtio_pmem_pci_instance_init(Object *obj)
|
|
{
|
|
VirtIOPMEMPCI *dev = VIRTIO_PMEM_PCI(obj);
|
|
|
|
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
|
|
TYPE_VIRTIO_PMEM);
|
|
}
|
|
|
|
static const VirtioPCIDeviceTypeInfo virtio_pmem_pci_info = {
|
|
.base_name = TYPE_VIRTIO_PMEM_PCI,
|
|
.generic_name = "virtio-pmem-pci",
|
|
.instance_size = sizeof(VirtIOPMEMPCI),
|
|
.instance_init = virtio_pmem_pci_instance_init,
|
|
.class_init = virtio_pmem_pci_class_init,
|
|
.interfaces = (InterfaceInfo[]) {
|
|
{ TYPE_MEMORY_DEVICE },
|
|
{ }
|
|
},
|
|
};
|
|
|
|
static void virtio_pmem_pci_register_types(void)
|
|
{
|
|
virtio_pci_types_register(&virtio_pmem_pci_info);
|
|
}
|
|
type_init(virtio_pmem_pci_register_types)
|