189 lines
3.2 KiB
C
189 lines
3.2 KiB
C
/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) 1991 Microsoft Corporation
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Copyright (c) 1992 Digital Equipment Corporation
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Module Name:
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jxhalp.h
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Abstract:
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This header file defines the private Hardware Architecture Layer (HAL)
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Jensen specific interfaces, defines and structures.
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Author:
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Jeff Havens (jhavens) 20-Jun-91
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Miche Baker-Harvey (miche) 13-May-92
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Revision History:
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21-Jul-1992 Jeff McLeman (mcleman)
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Modify adpater object structure to reflect what we are
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using.
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MBH - Stole Jazz version of this file, since it also uses the 82357 for EISA
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--*/
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// Might get in trouble for using the same define as Jazz?? MBH
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#ifndef _JXHALP_
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#define _JXHALP_
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#include "hal.h"
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//
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// Define global data used to locate the EISA control space and the realtime
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// clock registers.
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//
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extern PVOID HalpEisaControlBase;
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extern PVOID HalpRealTimeClockBase;
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extern BOOLEAN LessThan16Mb;
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extern POBJECT_TYPE *IoAdapterObjectType;
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//
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// Define adapter object structure.
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//
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typedef struct _ADAPTER_OBJECT {
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CSHORT Type;
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CSHORT Size;
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struct _ADAPTER_OBJECT *MasterAdapter;
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ULONG MapRegistersPerChannel;
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PVOID AdapterBaseVa;
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PVOID MapRegisterBase;
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ULONG NumberOfMapRegisters;
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ULONG CommittedMapRegisters;
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struct _WAIT_CONTEXT_BLOCK *CurrentWcb;
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KDEVICE_QUEUE ChannelWaitQueue;
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PKDEVICE_QUEUE RegisterWaitQueue;
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LIST_ENTRY AdapterQueue;
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KSPIN_LOCK SpinLock;
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PRTL_BITMAP MapRegisters;
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PUCHAR PagePort;
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UCHAR ChannelNumber;
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UCHAR AdapterNumber;
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USHORT DmaPortAddress;
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UCHAR AdapterMode;
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BOOLEAN NeedsMapRegisters;
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BOOLEAN IsaDevice;
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BOOLEAN MasterDevice;
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BOOLEAN Width16Bits;
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BOOLEAN ScatterGather;
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BOOLEAN EisaAdapter;
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BOOLEAN Dma32BitAddresses;
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} ADAPTER_OBJECT;
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//
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// Define memory region structure
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//
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typedef struct _MEMORY_REGION {
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struct _MEMORY_REGION *Next;
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ULONG PfnBase;
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ULONG PfnCount;
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} MEMORY_REGION, *PMEMORY_REGION;
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//
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// Define function prototypes.
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//
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PADAPTER_OBJECT
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HalpAllocateEisaAdapter(
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IN PDEVICE_DESCRIPTION DeviceDescription
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);
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BOOLEAN
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HalpCreateEisaStructures(
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VOID
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);
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VOID
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HalpDisableEisaInterrupt(
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IN ULONG Vector
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);
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BOOLEAN
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HalpEisaInterruptHandler(
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IN PKINTERRUPT Interrupt,
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IN PVOID ServiceContext
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);
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BOOLEAN
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HalpEisaDispatch(
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IN PKINTERRUPT Interrupt,
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IN PVOID ServiceContext,
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IN PKTRAP_FRAME TrapFrame
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);
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VOID
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HalpEisaMapTransfer(
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IN PADAPTER_OBJECT AdapterObject,
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IN ULONG Offset,
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IN ULONG Length,
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IN BOOLEAN WriteToDevice
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);
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VOID
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HalpEnableEisaInterrupt(
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IN ULONG Vector,
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IN KINTERRUPT_MODE InterruptMode
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);
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//
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// Environment variable support
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//
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PCHAR
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HalpEnvironmentLoad(
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VOID
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);
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VOID
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HalpClearPromStatus(
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VOID
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);
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VOID
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HalpSetPromReadMode(
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VOID
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);
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ARC_STATUS
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HalpCheckPromStatusAndClear(
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IN ULONG WhichToCheck
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);
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ARC_STATUS
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HalpErasePromBlock(
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IN PUCHAR EraseAddress
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);
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ARC_STATUS
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HalpWritePromByte(
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IN PUCHAR WriteAddress,
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IN UCHAR WriteData
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);
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ARC_STATUS
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HalpSaveConfiguration(
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VOID
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);
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VOID
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HalpInitializeSpecialMemory(
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IN PLOADER_PARAMETER_BLOCK LoaderBlock
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);
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#endif // _JXHALP_
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