---
title: ReportMaxReadTransfer
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioscsireducedblockcommandsdevice/1473298-reportmaxreadtransfer
---

# ReportMaxReadTransfer

## Declaration

```occ
virtual IOReturn ReportMaxReadTransfer(UInt64 blockSize, UInt64 *max);
```