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| author | David Vrabel <david.vrabel@citrix.com> | 2015-01-08 21:06:01 +0300 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2015-01-28 17:03:12 +0300 |
| commit | ff4b156f166b3931894d2a8b5cdba6cdf4da0618 (patch) | |
| tree | dfb7d79d269b365b2a95efa390c0fe62a8de935e /include/xen/grant_table.h | |
| parent | 0ae65f49af64d68f0daca37b83383115cae5e690 (diff) | |
| download | linux-ff4b156f166b3931894d2a8b5cdba6cdf4da0618.tar.xz | |
xen/grant-table: add helpers for allocating pages
Add gnttab_alloc_pages() and gnttab_free_pages() to allocate/free pages
suitable to for granted maps.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'include/xen/grant_table.h')
| -rw-r--r-- | include/xen/grant_table.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h index 7235d8f35459..949803e20872 100644 --- a/include/xen/grant_table.h +++ b/include/xen/grant_table.h @@ -163,6 +163,9 @@ void gnttab_free_auto_xlat_frames(void); #define gnttab_map_vaddr(map) ((void *)(map.host_virt_addr)) +int gnttab_alloc_pages(int nr_pages, struct page **pages); +void gnttab_free_pages(int nr_pages, struct page **pages); + int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops, struct gnttab_map_grant_ref *kmap_ops, struct page **pages, unsigned int count); |