diff options
| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-12-10 15:54:44 +0100 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-01-11 20:32:00 +0100 |
| commit | 289b777eac19c811b474593b4d2fd14e46340c23 (patch) | |
| tree | 5474d85065eb539d51df994fbdfab5cd2cc0e400 /include/xen/grant_table.h | |
| parent | xen p2m: transparently change the p2m mappings in the m2p override (diff) | |
| download | linux-289b777eac19c811b474593b4d2fd14e46340c23.tar.xz linux-289b777eac19c811b474593b4d2fd14e46340c23.zip | |
xen: introduce gnttab_map_refs and gnttab_unmap_refs
gnttab_map_refs maps some grant refs and uses the new m2p override to
set a proper m2p mapping for the granted pages.
gnttab_unmap_refs unmaps the granted refs and removes th mappings from
the m2p override.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include/xen/grant_table.h')
| -rw-r--r-- | include/xen/grant_table.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h index 1821aa103d82..b1fab6b5b3ef 100644 --- a/include/xen/grant_table.h +++ b/include/xen/grant_table.h @@ -155,4 +155,9 @@ unsigned int gnttab_max_grant_frames(void); #define gnttab_map_vaddr(map) ((void *)(map.host_virt_addr)) +int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops, + struct page **pages, unsigned int count); +int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops, + struct page **pages, unsigned int count); + #endif /* __ASM_GNTTAB_H__ */ |