379 	int i, j;  in xenbus_grant_ring()  local
381 	for (i = 0; i < nr_pages; i++) {  in xenbus_grant_ring()
383 			(PAGE_SIZE * i);  in xenbus_grant_ring()
391 		grefs[i] = err;  in xenbus_grant_ring()
397 	for (j = 0; j < i; j++)  in xenbus_grant_ring()
484 	int i, j;  in __xenbus_map_ring()  local
490 	for (i = 0; i < nr_grefs; i++) {  in __xenbus_map_ring()
491 		memset(&map[i], 0, sizeof(map[i]));  in __xenbus_map_ring()
492 		gnttab_set_map_op(&map[i], addrs[i], flags, gnt_refs[i],  in __xenbus_map_ring()
494 		handles[i] = INVALID_GRANT_HANDLE;  in __xenbus_map_ring()
497 	gnttab_batch_map(map, i);  in __xenbus_map_ring()
499 	for (i = 0; i < nr_grefs; i++) {  in __xenbus_map_ring()
500 		if (map[i].status != GNTST_okay) {  in __xenbus_map_ring()
501 			err = map[i].status;  in __xenbus_map_ring()
502 			xenbus_dev_fatal(dev, map[i].status,  in __xenbus_map_ring()
504 					 gnt_refs[i], dev->otherend_id);  in __xenbus_map_ring()
507 			handles[i] = map[i].handle;  in __xenbus_map_ring()
513 	for (i = j = 0; i < nr_grefs; i++) {  in __xenbus_map_ring()
514 		if (handles[i] != INVALID_GRANT_HANDLE) {  in __xenbus_map_ring()
516 			gnttab_set_unmap_op(&unmap[j], (phys_addr_t)addrs[i],  in __xenbus_map_ring()
517 					    GNTMAP_host_map, handles[i]);  in __xenbus_map_ring()
526 	for (i = 0; i < j; i++) {  in __xenbus_map_ring()
527 		if (unmap[i].status != GNTST_okay) {  in __xenbus_map_ring()
546 	int i;  in xenbus_map_ring_valloc_pv()  local
564 	for (i = 0; i < nr_grefs; i++)  in xenbus_map_ring_valloc_pv()
565 		phys_addrs[i] = arbitrary_virt_to_machine(ptes[i]).maddr;  in xenbus_map_ring_valloc_pv()
600 	int i;  in xenbus_map_ring_valloc_hvm()  local
622 	for (i = 0; i < nr_grefs; i++) {  in xenbus_map_ring_valloc_hvm()
623 		unsigned long pfn = page_to_pfn(node->hvm.pages[i]);  in xenbus_map_ring_valloc_hvm()
624 		phys_addrs[i] = (unsigned long)pfn_to_kaddr(pfn);  in xenbus_map_ring_valloc_hvm()
625 		addrs[i] = (unsigned long)pfn_to_kaddr(pfn);  in xenbus_map_ring_valloc_hvm()
691 	int i;  in xenbus_map_ring()  local
696 	for (i = 0; i < nr_grefs; i++)  in xenbus_map_ring()
697 		phys_addrs[i] = (unsigned long)vaddrs[i];  in xenbus_map_ring()
728 	int i;  in xenbus_unmap_ring_vfree_pv()  local
749 	for (i = 0; i < node->nr_handles; i++) {  in xenbus_unmap_ring_vfree_pv()
752 		memset(&unmap[i], 0, sizeof(unmap[i]));  in xenbus_unmap_ring_vfree_pv()
753 		addr = (unsigned long)vaddr + (PAGE_SIZE * i);  in xenbus_unmap_ring_vfree_pv()
754 		unmap[i].host_addr = arbitrary_virt_to_machine(  in xenbus_unmap_ring_vfree_pv()
756 		unmap[i].dev_bus_addr = 0;  in xenbus_unmap_ring_vfree_pv()
757 		unmap[i].handle = node->handles[i];  in xenbus_unmap_ring_vfree_pv()
760 	if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, unmap, i))  in xenbus_unmap_ring_vfree_pv()
765 	for (i = 0; i < node->nr_handles; i++) {  in xenbus_unmap_ring_vfree_pv()
766 		if (unmap[i].status != GNTST_okay) {  in xenbus_unmap_ring_vfree_pv()
768 			xenbus_dev_error(dev, unmap[i].status,  in xenbus_unmap_ring_vfree_pv()
770 					 node->handles[i], unmap[i].status);  in xenbus_unmap_ring_vfree_pv()
771 			err = unmap[i].status;  in xenbus_unmap_ring_vfree_pv()
792 	int i;  in xenbus_unmap_ring_vfree_hvm()  local
812 	for (i = 0; i < node->nr_handles; i++)  in xenbus_unmap_ring_vfree_hvm()
813 		addrs[i] = (unsigned long)pfn_to_kaddr(page_to_pfn(node->hvm.pages[i]));  in xenbus_unmap_ring_vfree_hvm()
845 	int i;  in xenbus_unmap_ring()  local
851 	for (i = 0; i < nr_handles; i++)  in xenbus_unmap_ring()
852 		gnttab_set_unmap_op(&unmap[i], vaddrs[i],  in xenbus_unmap_ring()
853 				    GNTMAP_host_map, handles[i]);  in xenbus_unmap_ring()
855 	if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, unmap, i))  in xenbus_unmap_ring()
859 	for (i = 0; i < nr_handles; i++) {  in xenbus_unmap_ring()
860 		if (unmap[i].status != GNTST_okay) {  in xenbus_unmap_ring()
861 			xenbus_dev_error(dev, unmap[i].status,  in xenbus_unmap_ring()
863 					 handles[i], unmap[i].status);  in xenbus_unmap_ring()
864 			err = unmap[i].status;  in xenbus_unmap_ring()