/*++

Copyright (c) 1991  Microsoft Corporation
Copyright (c) 1994  Digital Equipment Corporation

Module Name:

    info.c

Abstract:

Author:

    Ken Reneris (kenr)  08-Aug-1994

Environment:

    Kernel mode only.

Revision History:

--*/


#include "halp.h"

#ifdef _PNP_POWER_
HAL_CALLBACKS   HalCallback;
#endif // _PNP_POWER_

#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE,HaliQuerySystemInformation)
#pragma alloc_text(PAGE,HaliSetSystemInformation)
#endif


NTSTATUS
HaliQuerySystemInformation(
    IN HAL_QUERY_INFORMATION_CLASS  InformationClass,
    IN ULONG     BufferSize,
    OUT PVOID    Buffer,
    OUT PULONG   ReturnedLength
    )
/*++

Routine Description:

    The function returns system-wide information controlled by the HAL for a
    variety of classes.

Arguments:

    InformationClass - Information class of the request.

    BufferSize - Size of buffer supplied by the caller.

    Buffer - Supplies the space to store the data.

    ReturnedLength - Supplies a count in bytes of the amount of data returned.

Return Value:

    STATUS_SUCCESS or error.

--*/
{
    NTSTATUS Status;

    switch (InformationClass) {

        default:
            Status = STATUS_INVALID_LEVEL;
            break;
    }

    return(Status);
}

NTSTATUS
HaliSetSystemInformation (
    IN HAL_SET_INFORMATION_CLASS    InformationClass,
    IN ULONG     BufferSize,
    IN PVOID     Buffer
    )
/*++

Routine Description:

    The function allows setting of various fields return by
    HalQuerySystemInformation.

Arguments:

    InformationClass - Information class of the request.

    BufferSize - Size of buffer supplied by the caller.

    Buffer - Supplies the data to be set.

Return Value:

    STATUS_SUCCESS or error.

--*/
{
    NTSTATUS Status;

    switch (InformationClass) {

        default:
            Status = STATUS_INVALID_LEVEL;
            break;
    }

    return Status;
}