> -----Original Message----- > From: Igor Druzhinin [mailto:igor.druzhi...@citrix.com] > Sent: 08 March 2018 12:53 > To: qemu-de...@nongnu.org; xen-devel@lists.xenproject.org > Cc: sstabell...@kernel.org; Paul Durrant <paul.durr...@citrix.com>; Anthony > Perard <anthony.per...@citrix.com>; m...@redhat.com; > pbonz...@redhat.com; Igor Druzhinin <igor.druzhi...@citrix.com> > Subject: [PATCH] xen-pvdevice: Introduce a simplistic xen-pvdevice save > state > > This should help to avoid problems with accessing the device after > migration/resume without PV drivers. Older systems will acquire > the new record when migrated which should not change their state for > worse. > > Signed-off-by: Igor Druzhinin <igor.druzhi...@citrix.com>
Reviewed-by: Paul Durrant <paul.durr...@citrix.com> > --- > hw/i386/xen/xen_pvdevice.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/hw/i386/xen/xen_pvdevice.c b/hw/i386/xen/xen_pvdevice.c > index c093b34..ef22a03 100644 > --- a/hw/i386/xen/xen_pvdevice.c > +++ b/hw/i386/xen/xen_pvdevice.c > @@ -71,6 +71,16 @@ static const MemoryRegionOps xen_pv_mmio_ops = { > .endianness = DEVICE_LITTLE_ENDIAN, > }; > > +static const VMStateDescription vmstate_xen_pvdevice = { > + .name = "xen-pvdevice", > + .version_id = 1, > + .minimum_version_id = 1, > + .fields = (VMStateField[]) { > + VMSTATE_PCI_DEVICE(parent_obj, XenPVDevice), > + VMSTATE_END_OF_LIST() > + } > +}; > + > static void xen_pv_realize(PCIDevice *pci_dev, Error **errp) > { > XenPVDevice *d = XEN_PV_DEVICE(pci_dev); > @@ -120,6 +130,7 @@ static void xen_pv_class_init(ObjectClass *klass, void > *data) > k->class_id = PCI_CLASS_SYSTEM_OTHER; > dc->desc = "Xen PV Device"; > dc->props = xen_pv_props; > + dc->vmsd = &vmstate_xen_pvdevice; > } > > static const TypeInfo xen_pv_type_info = { > -- > 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel