diff options
Diffstat (limited to 'include/xen/xen-ops.h')
| -rw-r--r-- | include/xen/xen-ops.h | 24 |
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 |