---
title: kSCSIProtocolFeature_MaximumWriteBlockTransferCount
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1638592-anonymous/kscsiprotocolfeature_maximumwriteblocktransfercount
---

# kSCSIProtocolFeature_MaximumWriteBlockTransferCount

## Declaration

```occ
kSCSIProtocolFeature_MaximumWriteBlockTransferCount = 7
```

## Discussion

Discussion If the SCSI Protocol Services Driver has a maximum number of blocks that can be transferred in a write request, it will return true to this query and return the block count in the UInt32 pointer that is passed in as the serviceValue.