125  *   - on bus setup, look for a matching window, or create one
162 	struct iommu_window *window =  in tce_build_cell()  local
180 		(window->ioid & CBE_IOPTE_IOID_Mask);  in tce_build_cell()
183 		CBE_IOPTE_SO_RW | (window->ioid & CBE_IOPTE_IOID_Mask);  in tce_build_cell()
195 	invalidate_tce_cache(window->iommu, io_pte, npages);  in tce_build_cell()
207 	struct iommu_window *window =  in tce_free_cell()  local
218 		__pa(window->iommu->pad_page) |  in tce_free_cell()
219 		(window->ioid & CBE_IOPTE_IOID_Mask);  in tce_free_cell()
229 	invalidate_tce_cache(window->iommu, io_pte, npages);  in tce_free_cell()
451 	struct iommu_window *window;  in cell_iommu_setup_window()  local
457 	window = kzalloc_node(sizeof(*window), GFP_KERNEL, iommu->nid);  in cell_iommu_setup_window()
458 	BUG_ON(window == NULL);  in cell_iommu_setup_window()
460 	window->offset = offset;  in cell_iommu_setup_window()
461 	window->size = size;  in cell_iommu_setup_window()
462 	window->ioid = ioid;  in cell_iommu_setup_window()
463 	window->iommu = iommu;  in cell_iommu_setup_window()
465 	window->table.it_blocksize = 16;  in cell_iommu_setup_window()
466 	window->table.it_base = (unsigned long)iommu->ptab;  in cell_iommu_setup_window()
467 	window->table.it_index = iommu->nid;  in cell_iommu_setup_window()
468 	window->table.it_page_shift = IOMMU_PAGE_SHIFT_4K;  in cell_iommu_setup_window()
469 	window->table.it_offset =  in cell_iommu_setup_window()
470 		(offset >> window->table.it_page_shift) + pte_offset;  in cell_iommu_setup_window()
471 	window->table.it_size = size >> window->table.it_page_shift;  in cell_iommu_setup_window()
472 	window->table.it_ops = &cell_iommu_ops;  in cell_iommu_setup_window()
474 	if (!iommu_init_table(&window->table, iommu->nid, 0, 0))  in cell_iommu_setup_window()
477 	pr_debug("\tioid      %d\n", window->ioid);  in cell_iommu_setup_window()
478 	pr_debug("\tblocksize %ld\n", window->table.it_blocksize);  in cell_iommu_setup_window()
479 	pr_debug("\tbase      0x%016lx\n", window->table.it_base);  in cell_iommu_setup_window()
480 	pr_debug("\toffset    0x%lx\n", window->table.it_offset);  in cell_iommu_setup_window()
481 	pr_debug("\tsize      %ld\n", window->table.it_size);  in cell_iommu_setup_window()
483 	list_add(&window->list, &iommu->windows);  in cell_iommu_setup_window()
486 		return window;  in cell_iommu_setup_window()
492 	 * This code also assumes that we have a window that starts at 0,  in cell_iommu_setup_window()
500 	__set_bit(0, window->table.it_map);  in cell_iommu_setup_window()
501 	tce_build_cell(&window->table, window->table.it_offset, 1,  in cell_iommu_setup_window()
504 	return window;  in cell_iommu_setup_window()
527 	struct iommu_window *window;  in cell_get_iommu_table()  local
530 	/* Current implementation uses the first window available in that  in cell_get_iommu_table()
540 	window = list_entry(iommu->windows.next, struct iommu_window, list);  in cell_get_iommu_table()
542 	return &window->table;  in cell_get_iommu_table()
591 	/* Use ibm,dma-window if available, else, hard code ! */  in cell_iommu_get_window()
592 	dma_window = of_get_property(np, "ibm,dma-window", NULL);  in cell_iommu_get_window()
623 	 * multiple window support since the cell iommu supports per-page ioids  in cell_iommu_alloc()
653 	/* Obtain a window for it */  in cell_iommu_init_one()
656 	pr_debug("\ttranslating window 0x%lx...0x%lx\n",  in cell_iommu_init_one()
713 	 * window which is always the case so far on Cell, thus we  in cell_iommu_init_disabled()
715 	 * the DMA window from there.  in cell_iommu_init_disabled()
733 	/* If we found a DMA window, we check if it's big enough to enclose  in cell_iommu_init_disabled()
737 		printk(KERN_WARNING "iommu: force-enabled, dma window"  in cell_iommu_init_disabled()
764  *  we setup the fixed mapping immediately above the normal IOMMU window.
767  *  IOMMU window from 0-2GB and the fixed mapping window from 2GB to 6GB. In
773  *  mapping above the normal IOMMU window as we would run out of address space.
774  *  Instead we move the normal IOMMU window to coincide with the hash page
924 	 * dynamic region, so find the top of the largest IOMMU window  in cell_iommu_fixed_mapping_init()
938 		hbase = 0; /* use the device tree window */  in cell_iommu_fixed_mapping_init()
953 		/* The window must start and end on a segment boundary */  in cell_iommu_fixed_mapping_init()
956 			pr_debug("iommu: hash window not segment aligned\n");  in cell_iommu_fixed_mapping_init()
960 		/* Check the hash window fits inside the real DMA window */  in cell_iommu_fixed_mapping_init()
965 				pr_debug("iommu: hash window doesn't fit in"  in cell_iommu_fixed_mapping_init()
966 					 "real DMA window\n");  in cell_iommu_fixed_mapping_init()
987 		printk(KERN_DEBUG "iommu: node %d, dynamic window 0x%lx-0x%lx "  in cell_iommu_fixed_mapping_init()
988 			"fixed window 0x%lx-0x%lx\n", iommu->nid, dbase,  in cell_iommu_fixed_mapping_init()