IOCTL_POINT_OF_SERVICE_CHECK_HEALTH - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// pointofservicedriverinterface.h

// CTL_CODE(0x0054, 0x009, METHOD_BUFFERED, FILE_WRITE_ACCESS)
#define IOCTL_POINT_OF_SERVICE_CHECK_HEALTH 0x00548024
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Windows Driver Kit DDI reference (ni-pointofservicedriverinterface-ioctl_point_of_service_check_health)

IOCTL_POINT_OF_SERVICE_CHECK_HEALTH IOCTL

Description

This I/O control function checks the device health.

Parameters

Major code

Input buffer

Pointer to the input buffer, a UnifiedPosHealthCheckLevel variable.

Input buffer length

Size of the input buffer, in bytes. Set to sizeof(UnifiedPosHealthCheckLevel).

Output buffer

Pointer to a buffer that receives a PosStringType followed by the contents of the health string.

Output buffer length

Size of the output buffer, in bytes. Set to sizeof(PosStringType) + enough room to hold the health string.

Input/output buffer

Input/output buffer length

Status block

Returns TRUE if successful; otherwise, returns FALSE.

Remarks

To get extended error information, call GetLastError. The following is a common error value:

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