525 lines
9.8 KiB
C
525 lines
9.8 KiB
C
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/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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scsiboot.h
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Abstract:
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This file defines the necessary structures, defines, and functions for
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the common SCSI boot port driver.
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Author:
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Jeff Havens (jhavens) 28-Feb-1991
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Mike Glass
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Revision History:
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--*/
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#include "ntddscsi.h"
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//
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// SCSI Get Configuration Information
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//
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// LUN Information
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//
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typedef struct _LUNINFO {
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UCHAR PathId;
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UCHAR TargetId;
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UCHAR Lun;
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BOOLEAN DeviceClaimed;
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PVOID DeviceObject;
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struct _LUNINFO *NextLunInfo;
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UCHAR InquiryData[INQUIRYDATABUFFERSIZE];
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} LUNINFO, *PLUNINFO;
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typedef struct _SCSI_BUS_SCAN_DATA {
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USHORT Length;
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UCHAR InitiatorBusId;
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UCHAR NumberOfLogicalUnits;
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PLUNINFO LunInfoList;
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} SCSI_BUS_SCAN_DATA, *PSCSI_BUS_SCAN_DATA;
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typedef struct _SCSI_CONFIGURATION_INFO {
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UCHAR NumberOfBuses;
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PSCSI_BUS_SCAN_DATA BusScanData[1];
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} SCSI_CONFIGURATION_INFO, *PSCSI_CONFIGURATION_INFO;
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#define MAXIMUM_RETRIES 4
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//
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// SCSI device timeout values in seconds
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//
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#define SCSI_DISK_TIMEOUT 10
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#define SCSI_CDROM_TIMEOUT 10
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#define SCSI_TAPE_TIMEOUT 120
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//
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// Adapter object transfer information.
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//
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typedef struct _ADAPTER_TRANSFER {
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PSCSI_REQUEST_BLOCK Srb;
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PVOID LogicalAddress;
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ULONG Length;
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}ADAPTER_TRANSFER, *PADAPTER_TRANSFER;
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typedef struct _SRB_SCATTER_GATHER {
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ULONG PhysicalAddress;
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ULONG Length;
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}SRB_SCATTER_GATHER, *PSRB_SCATTER_GATHER;
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//
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// Srb Structure plus extra storage for the port driver.
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//
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#define IRP_STACK_SIZE 2
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typedef struct _FULL_SCSI_REQUEST_BLOCK {
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SCSI_REQUEST_BLOCK Srb;
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PVOID PreviousIrp;
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IRP Irp;
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IO_STACK_LOCATION IrpStack[IRP_STACK_SIZE];
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ULONG SrbExtensionSize;
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MDL Mdl;
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ULONG PageFrame[20];
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}FULL_SCSI_REQUEST_BLOCK, *PFULL_SCSI_REQUEST_BLOCK;
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//
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// Logical unit extension
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//
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typedef struct _LOGICAL_UNIT_EXTENSION {
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UCHAR PathId;
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UCHAR TargetId;
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UCHAR Lun;
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ULONG Flags;
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PIRP CurrentRequest;
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KSPIN_LOCK CurrentRequestSpinLock;
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PVOID SpecificLuExtension;
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struct _LOGICAL_UNIT_EXTENSION *NextLogicalUnit;
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KDEVICE_QUEUE RequestQueue;
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KSPIN_LOCK RequestQueueSpinLock;
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LONG RequestTimeoutCounter;
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ULONG RetryCount;
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UCHAR NumberOfLogicalUnits;
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PVOID MapRegisterBase;
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ULONG NumberOfMapRegisters;
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SRB_SCATTER_GATHER ScatterGather[17];
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} LOGICAL_UNIT_EXTENSION, *PLOGICAL_UNIT_EXTENSION;
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//
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// Device extension
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//
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typedef struct _DEVICE_EXTENSION {
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PDEVICE_OBJECT DeviceObject;
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//
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// Dma Adapter information.
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//
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PVOID MapRegisterBase;
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PADAPTER_OBJECT DmaAdapterObject;
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ADAPTER_TRANSFER FlushAdapterParameters;
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//
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// Number of SCSI buses
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//
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UCHAR NumberOfBuses;
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//
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// Maximum targets per bus
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//
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UCHAR MaximumTargetIds;
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//
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// SCSI Capabilities structure
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//
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IO_SCSI_CAPABILITIES Capabilities;
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//
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// SCSI port driver flags
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//
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ULONG Flags;
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//
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// SCSI port interrupt flags
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//
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ULONG InterruptFlags;
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//
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// List head for singlely linked list of complete IRPs.
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//
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PIRP CompletedRequests;
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//
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// Adapter object transfer parameters.
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//
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ADAPTER_TRANSFER MapTransferParameters;
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KSPIN_LOCK SpinLock;
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//
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// Miniport Initialization Routine
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//
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PHW_INITIALIZE HwInitialize;
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//
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// Miniport Start IO Routine
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//
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PHW_STARTIO HwStartIo;
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//
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// Miniport Interrupt Service Routine
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//
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PHW_INTERRUPT HwInterrupt;
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//
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// Miniport Reset Routine
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//
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PHW_RESET_BUS HwReset;
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//
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// Miniport DMA started Routine
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//
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PHW_DMA_STARTED HwDmaStarted;
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//
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// Buffers must be mapped into system space.
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//
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BOOLEAN MapBuffers;
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//
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// Is this device a bus master and does it require map registers.
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//
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BOOLEAN MasterWithAdapter;
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//
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// Device extension for miniport routines.
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//
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PVOID HwDeviceExtension;
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//
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// Miniport request interrupt enabled/disable routine.
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//
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PHW_INTERRUPT HwRequestInterrupt;
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//
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// Miniport timer request routine.
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//
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PHW_INTERRUPT HwTimerRequest;
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//
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// Adapter control routine.
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//
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PHW_ADAPTER_CONTROL HwAdapterControl;
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//
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// SCSI configuration information from inquiries.
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//
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PSCSI_CONFIGURATION_INFO ScsiInfo;
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//
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// Miniport noncached device extension
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//
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PVOID NonCachedExtension;
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//
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// The length of the non-cached extension
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//
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ULONG NonCachedExtensionSize;
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//
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// SrbExtension Zone Pool
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//
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PVOID SrbExtensionZonePool;
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PCHAR SrbExtensionPointer;
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//
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// Physical address of zone pool
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//
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ULONG PhysicalZoneBase;
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//
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// Size of Srb extension.
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//
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ULONG SrbExtensionSize;
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//
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// Spinlock for zoned hash table entries
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//
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KSPIN_LOCK ZoneSpinLock;
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//
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// Logical Unit Extension
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//
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ULONG HwLogicalUnitExtensionSize;
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PLOGICAL_UNIT_EXTENSION LogicalUnitList;
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ULONG TimerValue;
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//
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// Port timing count.
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//
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LONG PortTimeoutCounter;
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//
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// Shutdown Information.
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//
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BOOLEAN HasShutdown;
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BOOLEAN HasSetBoot;
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} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
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#define DEVICE_EXTENSION_SIZE sizeof(DEVICE_EXTENSION)
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//
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// Port driver extension flags.
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//
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#define PD_CURRENT_IRP_VALID 0X0001
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#define PD_RESET_DETECTED 0X0002
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#define PD_NOTIFICATION_IN_PROGRESS 0X0004
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#define PD_READY_FOR_NEXT_REQUEST 0X0008
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#define PD_FLUSH_ADAPTER_BUFFERS 0X0010
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#define PD_MAP_TRANSFER 0X0020
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#define PD_CALL_DMA_STARTED 0X01000
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#define PD_DISABLE_CALL_REQUEST 0X02000
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#define PD_DISABLE_INTERRUPTS 0X04000
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#define PD_ENABLE_CALL_REQUEST 0X08000
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#define PD_TIMER_CALL_REQUEST 0X10000
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//
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// Logical unit extension flags.
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//
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#define PD_QUEUE_FROZEN 0X0001
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#define PD_LOGICAL_UNIT_IS_ACTIVE 0X0002
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#define PD_CURRENT_REQUEST_COMPLETE 0X0004
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#define PD_LOGICAL_UNIT_IS_BUSY 0X0008
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//
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// The timer interval for the miniport timer routine specified in
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// units of 100 nanoseconds.
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//
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#define PD_TIMER_INTERVAL (250 * 1000 * 10) // 250 ms
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#define PD_TIMER_RESET_HOLD_TIME 4
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//
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// The define the interloop stall.
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//
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#define PD_INTERLOOP_STALL 5
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#define MINIMUM_SRB_EXTENSIONS 8
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#define COMPLETION_DELAY 10
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//
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// Port driver error logging
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//
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#define ERROR_LOG_ENTRY_LENGTH 8
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typedef struct _ERROR_LOG_ENTRY {
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UCHAR PathId;
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UCHAR TargetId;
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UCHAR Lun;
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ULONG ErrorCode;
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ULONG UniqueId;
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} ERROR_LOG_ENTRY, *PERROR_LOG_ENTRY;
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//
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// Define global data structures
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//
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extern ULONG ScsiPortCount;
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extern FULL_SCSI_REQUEST_BLOCK PrimarySrb;
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extern FULL_SCSI_REQUEST_BLOCK AbortSrb;
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#define MAXIMUM_NUMBER_OF_SCSIPORT_OBJECTS 16
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extern PDEVICE_OBJECT ScsiPortDeviceObject[MAXIMUM_NUMBER_OF_SCSIPORT_OBJECTS];
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extern PREAD_CAPACITY_DATA ReadCapacityBuffer;
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extern PUCHAR SenseInfoBuffer;
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//
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// Support routine.
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//
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PIRP
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InitializeIrp(
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PFULL_SCSI_REQUEST_BLOCK FullSrb,
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CCHAR MajorFunction,
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PVOID DeviceObject,
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PVOID BufferPointer,
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ULONG BufferSize
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);
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ARC_STATUS
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GetAdapterCapabilities(
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IN PDEVICE_OBJECT PortDeviceObject,
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OUT PIO_SCSI_CAPABILITIES *PortCapabilities
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);
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ARC_STATUS
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GetInquiryData(
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IN PDEVICE_OBJECT PortDeviceObject,
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IN PSCSI_CONFIGURATION_INFO *ConfigInfo
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);
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ARC_STATUS
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ReadDriveCapacity(
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IN PPARTITION_CONTEXT PartitionContext
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);
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ARC_STATUS
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ScsiClassIoComplete(
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IN PPARTITION_CONTEXT PartitionContext,
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IN PIRP Irp,
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IN PVOID Context
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);
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ARC_STATUS
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SendSrbSynchronous(
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PPARTITION_CONTEXT PartitionContext,
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PSCSI_REQUEST_BLOCK Srb,
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PVOID BufferAddress,
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ULONG BufferLength,
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BOOLEAN WriteToDevice
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);
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BOOLEAN
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InterpretSenseInfo(
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IN PSCSI_REQUEST_BLOCK Srb,
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OUT ARC_STATUS *Status,
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PPARTITION_CONTEXT PartitionContext
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);
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VOID
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RetryRequest(
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PPARTITION_CONTEXT PartitionContext,
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PIRP Irp
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);
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PIRP
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BuildRequest(
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IN PPARTITION_CONTEXT PartitionContext,
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IN PMDL Mdl,
|
||
|
|
IN ULONG LogicalBlockAddress,
|
||
|
|
IN BOOLEAN Operation
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Define the necessary functions to simulate the I/O environment.
|
||
|
|
//
|
||
|
|
|
||
|
|
#define ExAllocatePool(Type, Size) FwAllocatePool(Size)
|
||
|
|
|
||
|
|
#if !defined(_MIPS_) && !defined(_ALPHA_) && !defined(_PPC_)
|
||
|
|
#define PAUSE while (!GET_KEY());
|
||
|
|
|
||
|
|
typedef struct _DRIVER_LOOKUP_ENTRY {
|
||
|
|
PCHAR DevicePath;
|
||
|
|
PBL_DEVICE_ENTRY_TABLE DispatchTable;
|
||
|
|
} DRIVER_LOOKUP_ENTRY, *PDRIVER_LOOKUP_ENTRY;
|
||
|
|
#undef ASSERT
|
||
|
|
#define ASSERT( exp ) { \
|
||
|
|
if (!(#exp)) { \
|
||
|
|
BlPrint("ASSERT File: %s line: %lx\n", __FILE__, __LINE__); \
|
||
|
|
PAUSE; \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
ScsiPortExecute(
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined ExFreePool
|
||
|
|
#undef ExFreePool
|
||
|
|
#endif
|
||
|
|
#define ExFreePool(Size)
|
||
|
|
|
||
|
|
#ifdef IoCallDriver
|
||
|
|
#undef IoCallDriver
|
||
|
|
#endif
|
||
|
|
#define IoCallDriver(DeviceObject, Irp) ( \
|
||
|
|
DeviceObject->CurrentIrp = Irp, \
|
||
|
|
Irp->Tail.Overlay.CurrentStackLocation--, \
|
||
|
|
ScsiPortExecute(DeviceObject, Irp), \
|
||
|
|
Irp->Tail.Overlay.CurrentStackLocation++ )
|
||
|
|
#ifdef IoCompleteRequest
|
||
|
|
#undef IoCompleteRequest
|
||
|
|
#endif
|
||
|
|
#define IoCompleteRequest(Irp, Boost) Irp->PendingReturned = FALSE
|
||
|
|
#define IoAllocateErrorLogEntry(DeviceObject, Length) NULL
|
||
|
|
#define IoWriteErrorLogEntry(Entry)
|
||
|
|
#ifdef KeAcquireSpinLock
|
||
|
|
#undef KeAcquireSpinLock
|
||
|
|
#endif
|
||
|
|
#define KeAcquireSpinLock(Lock, Irql)
|
||
|
|
#ifdef KeReleaseSpinLock
|
||
|
|
#undef KeReleaseSpinLock
|
||
|
|
#endif
|
||
|
|
#define KeReleaseSpinLock(Lock, Irql)
|
||
|
|
#define KiAcquireSpinLock(Lock)
|
||
|
|
#ifdef KiReleaseSpinLock
|
||
|
|
#undef KiReleaseSpinLock
|
||
|
|
#endif
|
||
|
|
#define KiReleaseSpinLock(Lock)
|
||
|
|
#define KeSynchronizeExecution(InterruptObject, ExecutionRoutine, Context) \
|
||
|
|
(ExecutionRoutine)(Context)
|
||
|
|
|
||
|
|
#ifdef KeRaiseIrql
|
||
|
|
#undef KeRaiseIrql
|
||
|
|
#endif
|
||
|
|
#define KeRaiseIrql(NewLevel, OldLevel)
|
||
|
|
#ifdef KeLowerIrql
|
||
|
|
#undef KeLowerIrql
|
||
|
|
#endif
|
||
|
|
#define KeLowerIrql(Level)
|