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-rw-r--r--include/xen/xen-ops.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index fd23e42c6024..fd18c974a619 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -63,7 +63,7 @@ static inline void xen_destroy_contiguous_region(phys_addr_t pstart,
struct vm_area_struct;
/*
- * xen_remap_domain_gfn_array() - map an array of foreign frames
+ * xen_remap_domain_gfn_array() - map an array of foreign frames by gfn
* @vma: VMA to map the pages into
* @addr: Address at which to map the pages
* @gfn: Array of GFNs to map
@@ -86,6 +86,28 @@ int xen_remap_domain_gfn_array(struct vm_area_struct *vma,
unsigned domid,
struct page **pages);
+/*
+ * xen_remap_domain_mfn_array() - map an array of foreign frames by mfn
+ * @vma: VMA to map the pages into
+ * @addr: Address at which to map the pages
+ * @mfn: Array of MFNs to map
+ * @nr: Number entries in the MFN array
+ * @err_ptr: Returns per-MFN error status.
+ * @prot: page protection mask
+ * @domid: Domain owning the pages
+ * @pages: Array of pages if this domain has an auto-translated physmap
+ *
+ * @mfn and @err_ptr may point to the same buffer, the MFNs will be
+ * overwritten by the error codes after they are mapped.
+ *
+ * Returns the number of successfully mapped frames, or a -ve error
+ * code.
+ */
+int xen_remap_domain_mfn_array(struct vm_area_struct *vma,
+ unsigned long addr, xen_pfn_t *mfn, int nr,
+ int *err_ptr, pgprot_t prot,
+ unsigned int domid, struct page **pages);
+
/* xen_remap_domain_gfn_range() - map a range of foreign frames
* @vma: VMA to map the pages into
* @addr: Address at which to map the pages