131 lines
2.7 KiB
C
131 lines
2.7 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1999
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//
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// File: bm.h
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//
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//--------------------------------------------------------------------------
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#if !defined (___bm_h___)
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#define ___bm_h___
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//
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// Busmaster Status Register Bit Definition
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#define BUSMASTER_DMA_SIMPLEX_BIT ((UCHAR) (1 << 7))
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#define BUSMASTER_DEVICE1_DMA_OK ((UCHAR) (1 << 6))
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#define BUSMASTER_DEVICE0_DMA_OK ((UCHAR) (1 << 5))
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#define BUSMASTER_INTERRUPT ((UCHAR) (1 << 2))
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#define BUSMASTER_ERROR ((UCHAR) (1 << 1))
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#define BUSMASTER_ACTIVE ((UCHAR) (1 << 0))
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#define BUSMASTER_ZERO_BITS ((UCHAR) ((1 << 3) | (1 << 4)))
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#pragma pack (1)
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//
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// Bus Master Controller Register
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//
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typedef struct _IDE_BUS_MASTER_REGISTERS {
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UCHAR Command;
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UCHAR Reserved1;
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UCHAR Status;
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UCHAR Reserved2;
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ULONG DescriptionTable;
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} IDE_BUS_MASTER_REGISTERS, *PIDE_BUS_MASTER_REGISTERS;
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//
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// Bus Master Physical Region Descriptor
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//
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typedef struct _PHYSICAL_REGION_DESCRIPTOR {
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ULONG PhysicalAddress;
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ULONG ByteCount:16;
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ULONG Reserved:15;
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ULONG EndOfTable:1;
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} PHYSICAL_REGION_DESCRIPTOR, * PPHYSICAL_REGION_DESCRIPTOR;
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#pragma pack ()
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NTSTATUS
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BusMasterInitialize (
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PCHANPDO_EXTENSION pdoExtension
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);
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NTSTATUS
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BusMasterUninitialize (
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PCHANPDO_EXTENSION PdoExtension
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);
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NTSTATUS
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BmSetup (
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IN PVOID PdoExtension,
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IN PVOID DataVirtualAddress,
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IN ULONG TransferByteCount,
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IN PMDL Mdl,
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IN BOOLEAN DataIn,
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IN VOID (* BmCallback) (PVOID Context),
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IN PVOID Context
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);
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VOID
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BmReceiveScatterGatherList(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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IN PSCATTER_GATHER_LIST ScatterGather,
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IN PVOID Context
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);
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VOID
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BmRebuildScatterGatherList(
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IN PCHANPDO_EXTENSION pdoExtension,
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IN PSCATTER_GATHER_LIST ScatterGather
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);
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VOID
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BmPrepareController (
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PCHANPDO_EXTENSION PdoExtension
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);
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NTSTATUS
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BmArm (
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IN PVOID PdoExtension
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);
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BMSTATUS
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BmDisarm (
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IN PVOID PdoExtension
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);
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BMSTATUS
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BmFlush (
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IN PVOID PdoExtension
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);
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BMSTATUS
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BmStatus (
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IN PVOID PdoExtension
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);
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NTSTATUS
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BmTimingSetup (
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IN PVOID PdoExtension
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);
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NTSTATUS
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BmFlushAdapterBuffers (
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IN PVOID PdoExtension,
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IN PVOID DataVirtualPageAddress,
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IN ULONG TransferByteCount,
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IN PMDL Mdl,
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IN BOOLEAN DataIn
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);
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NTSTATUS
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BmQueryInterface (
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IN PCHANPDO_EXTENSION PdoExtension,
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IN OUT PPCIIDE_BUSMASTER_INTERFACE BusMasterInterface
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);
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#endif // ___bm_h___
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