ccw_device_tm_start_key
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## Name

ccw_device_tm_start_key — perform start function

## Synopsis

`int ccw_device_tm_start_key (` | struct ccw_device * cdev,
| struct tcw * tcw,
| unsigned long intparm,
| u8 lpm,
| u8 key`)`;

## Arguments

`cdev`

  ccw device on which to perform the start function

`tcw`

  transport-command word to be started

`intparm`

  user defined parameter to be passed to the interrupt handler

`lpm`

  mask of paths to use

`key`

  storage key to use for storage access

## Description

Start the tcw on the given ccw device. Return zero on success, non-zero otherwise.

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