Displaying 2 results from an estimated 2 matches for "_f_iotlb_asid".
2023 Sep 09
0
[PATCH RFC v2 2/3] vhost-vdpa: introduce descriptor group backend feature
Userspace knows if the device has dedicated descriptor group or not
by checking this feature bit.
It's only exposed if the vdpa driver backend implements the
.get_vq_desc_group() operation callback. Userspace trying to negotiate
this feature when it or the dependent _F_IOTLB_ASID feature hasn't
been exposed will result in an error.
Signed-off-by: Si-Wei Liu <si-wei.liu at oracle.com>
Acked-by: Eugenio P?rez <eperezma at redhat.com>
---
RFC v1 -> v2:
- add clarifications for what areas F_DESC_ASID should cover
---
drivers/vhost/vdpa.c | 17...
2023 Sep 09
4
[PATCH RFC v2 0/3] vdpa: dedicated descriptor table group
Following patchset introduces dedicated group for descriptor table to
reduce live migration downtime when passthrough VQ is being switched
to shadow VQ. This RFC v2 is sent to incorporate the early feedback
from reviewers on the uAPI and driver API part of changes, the
associated driver patch set consuming ths API will come around
soon along with formal submission of this series.
Some initial