kernel/dma/swiotlb.c

71  *		from each index.
111  * @index:	The slot index to start searching in this area for next round.
117 	unsigned int index;
284 		mem->areas[i].index = 0;
861 	int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
862 	phys_addr_t orig_addr = mem->slots[index].orig_addr;
863 	size_t alloc_size = mem->slots[index].alloc_size;
936 static unsigned int wrap_area_index(struct io_tlb_pool *mem, unsigned int index)
938 	if (index >= mem->area_nslabs)
940 	return index;
1027 	unsigned int index, slots_checked, count = 0, i;
1065 	index = area->index;
1070 		slot_index = slot_base + index;
1076 			index = wrap_area_index(pool, index + 1);
1087 		index = wrap_area_index(pool, index + stride);
1114 	area->index = wrap_area_index(pool, index + nslots);
1147 	int index = -1;
1154 		index = swiotlb_search_pool_area(dev, pool, area_index,
1157 		if (index >= 0) {
1163 	return index;
1190 	int index;
1197 		index = swiotlb_search_area(dev, cpu, i, orig_addr, alloc_size,
1199 		if (index >= 0)
1215 	index = swiotlb_search_pool_area(dev, pool, 0, orig_addr,
1217 	if (index < 0) {
1251 	return index;
1262 	int index;
1267 		index = swiotlb_search_pool_area(dev, pool, i, orig_addr,
1269 		if (index >= 0)
1270 			return index;
1352 	int index;
1372 	index = swiotlb_find_slots(dev, orig_addr,
1374 	if (index == -1) {
1389 	index += pad_slots;
1390 	pool->slots[index].pad_slots = pad_slots;
1392 		pool->slots[index + i].orig_addr = slot_addr(orig_addr, i);
1393 	tlb_addr = slot_addr(pool->start, index) + offset;
1412 	int index, nslots, aindex;
1416 	index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
1417 	index -= mem->slots[index].pad_slots;
1418 	nslots = nr_slots(mem->slots[index].alloc_size + offset);
1419 	aindex = index / mem->area_nslabs;
1431 	if (index + nslots < ALIGN(index + 1, IO_TLB_SEGSIZE))
1432 		count = mem->slots[index + nslots].list;
1440 	for (i = index + nslots - 1; i >= index; i--) {
1451 	for (i = index - 1;
1719 	int index;
1725 	index = swiotlb_find_slots(dev, 0, size, align, &pool);
1726 	if (index == -1)
1729 	tlb_addr = slot_addr(pool->start, index);