diff options
Diffstat (limited to 'tools/libxc/xc_dom.h')
| -rw-r--r-- | tools/libxc/xc_dom.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/tools/libxc/xc_dom.h b/tools/libxc/xc_dom.h index ac36600ce7..316c5cbefc 100644 --- a/tools/libxc/xc_dom.h +++ b/tools/libxc/xc_dom.h @@ -294,14 +294,27 @@ void *xc_dom_pfn_to_ptr(struct xc_dom_image *dom, xen_pfn_t first, void xc_dom_unmap_one(struct xc_dom_image *dom, xen_pfn_t pfn); void xc_dom_unmap_all(struct xc_dom_image *dom); -static inline void *xc_dom_seg_to_ptr(struct xc_dom_image *dom, - struct xc_dom_seg *seg) +static inline void *xc_dom_seg_to_ptr_pages(struct xc_dom_image *dom, + struct xc_dom_seg *seg, + xen_pfn_t *pages_out) { xen_vaddr_t segsize = seg->vend - seg->vstart; unsigned int page_size = XC_DOM_PAGE_SIZE(dom); xen_pfn_t pages = (segsize + page_size - 1) / page_size; + void *retval; + + retval = xc_dom_pfn_to_ptr(dom, seg->pfn, pages); + + *pages_out = retval ? pages : 0; + return retval; +} + +static inline void *xc_dom_seg_to_ptr(struct xc_dom_image *dom, + struct xc_dom_seg *seg) +{ + xen_pfn_t dummy; - return xc_dom_pfn_to_ptr(dom, seg->pfn, pages); + return xc_dom_seg_to_ptr_pages(dom, seg, &dummy); } static inline void *xc_dom_vaddr_to_ptr(struct xc_dom_image *dom, |