Revert "iommu/io-pgtable-arm: Remove the limitation on the page table format...

Revert "iommu/io-pgtable-arm: Remove the limitation on the page table format of sync/clear_dirty_log()"

virt inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I61SPO
CVE: NA

--------------------------------

This reverts commit 21d56f9c.
Signed-off-by: NKunkun Jiang <jiangkunkun@huawei.com>
Reviewed-by: NKeqian Zhu <zhukeqian1@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/iommu/io-pgtable-arm.c

@@ -980,6 +980,10 @@ static int arm_lpae_sync_dirty_log(struct io_pgtable_ops *ops,
 	if (WARN_ON(iaext))
 		return -EINVAL;
 
+	if (data->iop.fmt != ARM_64_LPAE_S1 &&
+	    data->iop.fmt != ARM_32_LPAE_S1)
+		return -EINVAL;
+
 	return __arm_lpae_sync_dirty_log(data, iova, size, lvl, ptep,
 					 bitmap, base_iova, bitmap_pgshift);
 }
@@ -1072,6 +1076,10 @@ static int arm_lpae_clear_dirty_log(struct io_pgtable_ops *ops,
 	if (WARN_ON(iaext))
 		return -EINVAL;
 
+	if (data->iop.fmt != ARM_64_LPAE_S1 &&
+	    data->iop.fmt != ARM_32_LPAE_S1)
+		return -EINVAL;
+
 	return __arm_lpae_clear_dirty_log(data, iova, size, lvl, ptep,
 			bitmap, base_iova, bitmap_pgshift);
 }