xen: add pages parameter to xen_remap_domain_mfn_range

Also introduce xen_unmap_domain_mfn_range. These are the parts of
Mukesh's "xen/pvh: Implement MMU changes for PVH" which are also
needed as a baseline for ARM privcmd support.

The original patch was:

Signed-off-by: Mukesh Rathor <mukesh.rathor@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

This derivative is also:

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index 6a198e46ab6e..990b43e441e6 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -27,6 +27,9 @@ struct vm_area_struct;
 int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
                                unsigned long addr,
                                unsigned long mfn, int nr,
-                               pgprot_t prot, unsigned domid);
+                               pgprot_t prot, unsigned domid,
+                               struct page **pages);
+int xen_unmap_domain_mfn_range(struct vm_area_struct *vma,
+                               int numpgs, struct page **pages);
 
 #endif /* INCLUDE_XEN_OPS_H */