C++ (Cpp) set_foreign_p2m_mapping Examples

Example #1

File: grant-table.c Project: DenisLug/mptcp

int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops,
		    struct gnttab_map_grant_ref *kmap_ops,
		    struct page **pages, unsigned int count)
{
	int i, ret;

	ret = HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, map_ops, count);
	if (ret)
		return ret;

	for (i = 0; i < count; i++) {
		/* Retry eagain maps */
		if (map_ops[i].status == GNTST_eagain)
			gnttab_retry_eagain_gop(GNTTABOP_map_grant_ref, map_ops + i,
						&map_ops[i].status, __func__);

		if (map_ops[i].status == GNTST_okay) {
			struct xen_page_foreign *foreign;

			SetPageForeign(pages[i]);
			foreign = xen_page_foreign(pages[i]);
			foreign->domid = map_ops[i].dom;
			foreign->gref = map_ops[i].ref;
		}
	}

	return set_foreign_p2m_mapping(map_ops, kmap_ops, pages, count);
}

Example #2

File: grant-table.c Project: 7799/linux

int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops,
		    struct gnttab_map_grant_ref *kmap_ops,
		    struct page **pages, unsigned int count)
{
	int i, ret;

	ret = HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, map_ops, count);
	if (ret)
		return ret;

	/* Retry eagain maps */
	for (i = 0; i < count; i++)
		if (map_ops[i].status == GNTST_eagain)
			gnttab_retry_eagain_gop(GNTTABOP_map_grant_ref, map_ops + i,
						&map_ops[i].status, __func__);

	return set_foreign_p2m_mapping(map_ops, kmap_ops, pages, count);
}