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// #pragma comment(exestr, "@(#) r94ainfo.c 1.1 95/09/28 15:48:57 nec")
/*++
Copyright (C) 1991-1995 Microsoft Corporation
All rights reserved.
Module Name:
ixinfo.c
Abstract:
Environment:
Kernel mode only.
Revision History
A002 1995/6/17 ataka@oa2.kb.nec.co.jp
- Marge 807-halr98mp-ixinfo.h to 1050-halx86-r98info.h
--*/
#include "halp.h"
NTSTATUS
HalpQueryInstalledBusInformation (
OUT PVOID Buffer,
IN ULONG BufferLength,
OUT PULONG ReturnedLength
);
#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
)
{
NTSTATUS Status;
PVOID InternalBuffer;
ULONG Length;
PAGED_CODE();
Status = STATUS_SUCCESS;
*ReturnedLength = 0;
Length = 0;
switch (InformationClass) {
case HalInstalledBusInformation:
Status = HalpQueryInstalledBusInformation (
Buffer,
BufferSize,
ReturnedLength
);
break;
default:
Status = STATUS_INVALID_LEVEL;
break;
}
//
// If non-zero Length copy data to callers buffer
//
if (Length) {
if (BufferSize < Length) {
Length = BufferSize;
}
*ReturnedLength = Length;
RtlCopyMemory (Buffer, InternalBuffer, Length);
}
return Status;
}
NTSTATUS
HaliSetSystemInformation (
IN HAL_SET_INFORMATION_CLASS InformationClass,
IN ULONG BufferSize,
IN PVOID Buffer
)
{
PAGED_CODE();
return STATUS_INVALID_LEVEL;
}
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