Cross Reference: /drivers/iommu/amd

Lines Matching refs:aperture
1304 		 * if unity mapping is in aperture range mark the page
1305 		 * as allocated in the aperture
1309 				  dma_dom->aperture[0]->bitmap);
1362  * the aperture. Maybe it could be enhanced in the future to a more
1374  * Used to reserve address ranges in the aperture (e.g. for exclusion
1389 		__set_bit(page, dom->aperture[index]->bitmap);
1394  * This function is used to add a new aperture range to an existing
1395  * aperture in case of dma_ops domain allocation or address allocation
1412 	dma_dom->aperture[index] = kzalloc(sizeof(struct aperture_range), gfp);
1413 	if (!dma_dom->aperture[index])
1416 	dma_dom->aperture[index]->bitmap = (void *)get_zeroed_page(gfp);
1417 	if (!dma_dom->aperture[index]->bitmap)
1420 	dma_dom->aperture[index]->offset = dma_dom->aperture_size;
1433 			dma_dom->aperture[index]->pte_pages[i] = pte_page;
1457 		    iommu->exclusion_start >= dma_dom->aperture[index]->offset
1469 	 * Check for areas already mapped as present in the new aperture
1474 	for (i = dma_dom->aperture[index]->offset;
1491 	free_page((unsigned long)dma_dom->aperture[index]->bitmap);
1493 	kfree(dma_dom->aperture[index]);
1494 	dma_dom->aperture[index] = NULL;
1519 		unsigned long offset = dom->aperture[i]->offset >> PAGE_SHIFT;
1521 		if (dom->aperture[i]->offset >= dma_mask)
1527 		address = iommu_area_alloc(dom->aperture[i]->bitmap,
1531 			address = dom->aperture[i]->offset +
1584 	struct aperture_range *range = dom->aperture[i];
1752 		if (!dom->aperture[i])
1754 		free_page((unsigned long)dom->aperture[i]->bitmap);
1755 		kfree(dom->aperture[i]);
1799 	dma_dom->aperture[0]->bitmap[0] = 1;
2322  * This function fetches the PTE for a given address in the aperture
2327 	struct aperture_range *aperture;
2330 	aperture = dom->aperture[APERTURE_RANGE_INDEX(address)];
2331 	if (!aperture)
2334 	pte = aperture->pte_pages[APERTURE_PAGE_INDEX(address)];
2338 		aperture->pte_pages[APERTURE_PAGE_INDEX(address)] = pte_page;
2388 	struct aperture_range *aperture;
2394 	aperture = dom->aperture[APERTURE_RANGE_INDEX(address)];
2395 	if (!aperture)
2398 	pte  = aperture->pte_pages[APERTURE_PAGE_INDEX(address)];
2455 		 * aperture was successfully enlarged by 128 MB, try