> -----Original Message----- > From: Tian, Kevin [mailto:kevin.t...@intel.com] > Sent: 24 February 2018 03:02 > To: Paul Durrant <paul.durr...@citrix.com>; xen-devel@lists.xenproject.org > Cc: Stefano Stabellini <sstabell...@kernel.org>; Wei Liu > <wei.l...@citrix.com>; George Dunlap <george.dun...@citrix.com>; > Andrew Cooper <andrew.coop...@citrix.com>; Ian Jackson > <ian.jack...@citrix.com>; Tim (Xen.org) <t...@xen.org>; Jan Beulich > <jbeul...@suse.com> > Subject: RE: [Xen-devel] [PATCH 7/7] x86: add iommu_ops to map and > unmap pages, and also to flush the IOTLB [snip] > > > > > ...so my plan is that the dom0 API picks a bfn, does the mapping and then > > passes the bfn back to the caller. > > > > A curious question. How to pass the domid from XenGT to pvIOMMU > driver so the latter knows whether it's a local or remote mapping? > Ideally pvIOMMU driver is registered to Linux IOMMU core layer, > of which all existing API wrappers are only for local mapping today... >
It may well be that, for remote mapping, that layer is just not appropriate. I'll look into that when I get to that stage. Cheers, Paul > Thanks > Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel