vfio-user: implement VFIO_USER_DEVICE_GET_REGION_INFO
Add support for getting region info for vfio-user. As vfio-user has one
fd per region, enable ->use_region_fds.
Originally-by: John Johnson <john.g.johnson@oracle.com>
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250625193012.2316242-7-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
6 files changed