/* We need to consider overlapping regions for different devices */
list_for_each_entry(entry, &mappings, list) {
dma_addr_t start, end, addr;
+ size_t map_size = 0;
if (domain->ops->apply_resv_region)
domain->ops->apply_resv_region(dev, domain, entry);
entry->type != IOMMU_RESV_DIRECT_RELAXABLE)
continue;
- for (addr = start; addr < end; addr += pg_size) {
+ for (addr = start; addr <= end; addr += pg_size) {
phys_addr_t phys_addr;
+ if (addr == end)
+ goto map_end;
+
phys_addr = iommu_iova_to_phys(domain, addr);
- if (phys_addr)
+ if (!phys_addr) {
+ map_size += pg_size;
continue;
+ }
- ret = iommu_map(domain, addr, addr, pg_size, entry->prot);
- if (ret)
- goto out;
+map_end:
+ if (map_size) {
+ ret = iommu_map(domain, addr - map_size,
+ addr - map_size, map_size,
+ entry->prot);
+ if (ret)
+ goto out;
+ map_size = 0;
+ }
}
}