100 lines
1.8 KiB
C
100 lines
1.8 KiB
C
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#ident "@(#) NEC r98info.c 1.1 95/06/19 11:34:28"
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/*++
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Copyright (C) 1991-1995 Microsoft Corporation
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All rights reserved.
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Module Name:
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ixinfo.c
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Abstract:
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Environment:
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Kernel mode only.
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Revision History
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A002 1995/6/17 ataka@oa2.kb.nec.co.jp
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- Marge 807-halr98mp-ixinfo.h to 1050-halx86-r98info.h
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--*/
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#include "halp.h"
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NTSTATUS
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HalpQueryInstalledBusInformation (
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OUT PVOID Buffer,
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IN ULONG BufferLength,
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OUT PULONG ReturnedLength
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);
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(PAGE,HaliQuerySystemInformation)
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#pragma alloc_text(PAGE,HaliSetSystemInformation)
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#endif
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NTSTATUS
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HaliQuerySystemInformation(
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IN HAL_QUERY_INFORMATION_CLASS InformationClass,
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IN ULONG BufferSize,
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OUT PVOID Buffer,
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OUT PULONG ReturnedLength
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)
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{
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NTSTATUS Status;
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PVOID InternalBuffer;
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ULONG Length;
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PAGED_CODE();
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Status = STATUS_SUCCESS;
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*ReturnedLength = 0;
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Length = 0;
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switch (InformationClass) {
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case HalInstalledBusInformation:
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Status = HalpQueryInstalledBusInformation (
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Buffer,
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BufferSize,
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ReturnedLength
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);
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break;
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default:
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Status = STATUS_INVALID_LEVEL;
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break;
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}
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//
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// If non-zero Length copy data to callers buffer
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//
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if (Length) {
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if (BufferSize < Length) {
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Length = BufferSize;
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}
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*ReturnedLength = Length;
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RtlCopyMemory (Buffer, InternalBuffer, Length);
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}
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return Status;
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}
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NTSTATUS
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HaliSetSystemInformation (
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IN HAL_SET_INFORMATION_CLASS InformationClass,
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IN ULONG BufferSize,
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IN PVOID Buffer
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)
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{
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PAGED_CODE();
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return STATUS_INVALID_LEVEL;
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}
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