PATH Hardware Documentation > Device Managers and Drivers > ATA Devices > ATA Device Software Guide

Functions

This section describes the ATA Manager functions that are used to manage and perform data transfers. Each function is requested through a parameter block specific to that service. A request for an ATA function is specified by a function code within the parameter block. The entry point for all the functions is the same.

ATA Manager function names and codes are shown in Table 3-2.

Table 3-2 ATA Manager functions

Function name	Code	Description
`ATA_ExecIO`	$01	Execute ATA I/O
`ATA_ModifyEventMask`	$88	Modify driver event mask
`ATA_EjectDrive`	$89	Eject the drive
`ATA_MgrInquiry`	$90	ATA Manager inquiry
`ATA_BusInquiry`	$03	Bus inquiry
`ATA_QRelease`	$04	I/O queue release
`ATA_NOP`	$00	No operation
`ATA_Abort`	$10	Terminate command
`ATA_RegAccess`	$12	ATA device register access
`ATA_Identify`	$13	Get the drive identification data
`ATA_ResetBus`	$11	Reset ATA bus
`ATA_DrvrRegister`	$85	Register the driver reference number
`ATA_DrvrDeregister`	$87	Deregister the driver reference number
`ATA_FindRefNum`	$86	Look up the driver reference number
`ATA_GetDevConfig`	$8A	Get the device configuration
`ATA_SetDevConfig`	$8B	Set the device configuration
`ATA_GetLocationIcon`	$8C	Get device location icon and string

ATA_ExecIO

ATA_MgrInquiry

ATA_BusInquiry

ATA_QRelease

ATA_NOP

ATA_Abort

ATA_RegAccess

ATA_Identify

ATA_ResetBus

ATA_DrvrRegister

ATA_DrvrDeregister

ATA_FindRefNum

ATA_GetDevConfig

ATA_SetDevConfig

ATA_GetLocationIcon

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