hulk inclusion
category: feature
bugzilla: 14369
CVE: NA
-------------------

When an mm exits, devices that were bound to it must stop performing DMA
on its PASID. Let device drivers register a callback to be notified on mm
exit. Add the callback to the sva_param structure attached to struct
device.
Signed-off-by: NJean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: NFang Lijun <fanglijun3@huawei.com>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Reviewed-by: NZhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>