Lines Matching defs:region
99 * @base: Start address of IOVA region for MSI mappings
104 * contiguous IOVA region, starting at @base, large enough to accommodate the
162 * iommu_dma_get_resv_regions - Reserved region driver helper
164 * @list: Reserved region list from iommu_get_resv_regions()
168 * ITS region reservation on ACPI based ARM platforms that may require HW MSI
252 struct iommu_resv_region *region;
264 list_for_each_entry(region, &resv_regions, list)
269 if (region->type == IOMMU_RESV_SW_MSI) {
273 lo = iova_pfn(iovad, region->start);
274 hi = iova_pfn(iovad, region->start + region->length - 1);
277 if (region->type == IOMMU_RESV_MSI) {
278 ret = cookie_init_hw_msi_region(cookie, region->start, region->start + region->length);