On 03/22/2017 11:27 AM, Erik Skultety wrote: > As goes for all the other hostdev device types, grant the qemu process > access to /dev/vfio/<mediated_device_iommu_group>. > > Signed-off-by: Erik Skultety <eskultet@xxxxxxxxxx> > --- > src/qemu/qemu_domain.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c > index c0f060b0a3..d1ac1d641b 100644 > --- a/src/qemu/qemu_domain.c > +++ b/src/qemu/qemu_domain.c > @@ -6999,10 +6999,12 @@ qemuDomainGetHostdevPath(virDomainDefPtr def, > virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci; > virDomainHostdevSubsysSCSIPtr scsisrc = &dev->source.subsys.u.scsi; > virDomainHostdevSubsysSCSIVHostPtr hostsrc = &dev->source.subsys.u.scsi_host; > + virDomainHostdevSubsysMediatedDevPtr mdevsrc = &dev->source.subsys.u.mdev; > virPCIDevicePtr pci = NULL; > virUSBDevicePtr usb = NULL; > virSCSIDevicePtr scsi = NULL; > virSCSIVHostDevicePtr host = NULL; > + virMediatedDevicePtr mdev = NULL; > char *tmpPath = NULL; > bool freeTmpPath = false; > bool includeVFIO = false; > @@ -7103,6 +7105,17 @@ qemuDomainGetHostdevPath(virDomainDefPtr def, > } > > case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV: > + if (!(mdev = virMediatedDeviceNew(mdevsrc->uuidstr, > + mdevsrc->model))) > + goto cleanup; > + > + if (!(tmpPath = virMediatedDeviceGetIOMMUGroupDev(mdev))) > + goto cleanup; > + > + freeTmpPath = true; > + includeVFIO = true; > + perm = VIR_CGROUP_DEVICE_RW; > + break; > case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST: > break; > } > @@ -7152,6 +7165,7 @@ qemuDomainGetHostdevPath(virDomainDefPtr def, > virUSBDeviceFree(usb); > virSCSIDeviceFree(scsi); > virSCSIVHostDeviceFree(host); > + virMediatedDeviceFree(mdev); > if (freeTmpPath) > VIR_FREE(tmpPath); > return ret; > Yep. Faithful recreation of what's done to PCI devices. ACK. -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
