54 int mem_check_range(struct rxe_mem *mem, u64 iova, size_t length)  in mem_check_range()  argument
63 		    length > mem->length ||  in mem_check_range()
64 		    iova > mem->iova + mem->length - length)  in mem_check_range()
162 		      u64 length, u64 iova, int access, struct ib_udata *udata,  in rxe_mem_init_user()  argument
174 	umem = ib_umem_get(pd->ibpd.uobject->context, start, length, access, 0);  in rxe_mem_init_user()
199 	if (length > 0) {  in rxe_mem_init_user()
227 	mem->length		= length;  in rxe_mem_init_user()
275 	u64			length;  in lookup_iova()  local
286 		length = mem->map[map_index]->buf[buf_index].size;  in lookup_iova()
288 		while (offset >= length) {  in lookup_iova()
289 			offset -= length;  in lookup_iova()
296 			length = mem->map[map_index]->buf[buf_index].size;  in lookup_iova()
305 void *iova_to_vaddr(struct rxe_mem *mem, u64 iova, int length)  in iova_to_vaddr()  argument
322 	if (mem_check_range(mem, iova, length)) {  in iova_to_vaddr()
330 	if (offset + length > mem->map[m]->buf[n].size) {  in iova_to_vaddr()
342 /* copy data from a range (vaddr, vaddr+length-1) to or from
346 int rxe_mem_copy(struct rxe_mem *mem, u64 iova, void *addr, int length,  in rxe_mem_copy()  argument
359 	if (length == 0)  in rxe_mem_copy()
371 		memcpy(dest, src, length);  in rxe_mem_copy()
375 					*crcp, dest, length);  in rxe_mem_copy()
382 	err = mem_check_range(mem, iova, length);  in rxe_mem_copy()
393 	while (length > 0) {  in rxe_mem_copy()
402 		if (bytes > length)  in rxe_mem_copy()
403 			bytes = length;  in rxe_mem_copy()
411 		length	-= bytes;  in rxe_mem_copy()
442 	int			length,  in copy_data()  argument
454 	if (length == 0)  in copy_data()
457 	if (length > resid) {  in copy_data()
462 	if (sge->length && (offset < sge->length)) {  in copy_data()
470 	while (length > 0) {  in copy_data()
471 		bytes = length;  in copy_data()
473 		if (offset >= sge->length) {  in copy_data()
487 			if (sge->length) {  in copy_data()
499 		if (bytes > sge->length - offset)  in copy_data()
500 			bytes = sge->length - offset;  in copy_data()
511 			length	-= bytes;  in copy_data()
531 int advance_dma_data(struct rxe_dma_info *dma, unsigned int length)  in advance_dma_data()  argument
537 	while (length) {  in advance_dma_data()
540 		if (offset >= sge->length) {  in advance_dma_data()
548 		bytes = length;  in advance_dma_data()
550 		if (bytes > sge->length - offset)  in advance_dma_data()
551 			bytes = sge->length - offset;  in advance_dma_data()
555 		length	-= bytes;  in advance_dma_data()
641 	mem->length	= num_pages << mem->page_shift;  in rxe_mem_map_pages()