BusLogic.h
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- /*
- Linux Driver for BusLogic MultiMaster and FlashPoint SCSI Host Adapters
- Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com>
- This program is free software; you may redistribute and/or modify it under
- the terms of the GNU General Public License Version 2 as published by the
- Free Software Foundation.
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for complete details.
- The author respectfully requests that any modifications to this software be
- sent directly to him for evaluation and testing.
- Special thanks to Wayne Yen, Jin-Lon Hon, and Alex Win of BusLogic, whose
- advice has been invaluable, to David Gentzel, for writing the original Linux
- BusLogic driver, and to Paul Gortmaker, for being such a dedicated test site.
- Finally, special thanks to Mylex/BusLogic for making the FlashPoint SCCB
- Manager available as freely redistributable source code.
- */
- #include <linux/config.h>
- /*
- Define types for some of the structures that interface with the rest
- of the Linux Kernel and SCSI Subsystem.
- */
- typedef kdev_t KernelDevice_T;
- typedef unsigned long ProcessorFlags_T;
- typedef struct pt_regs Registers_T;
- typedef struct partition PartitionTable_T;
- typedef struct pci_dev PCI_Device_T;
- typedef Scsi_Host_Template SCSI_Host_Template_T;
- typedef struct Scsi_Host SCSI_Host_T;
- typedef struct scsi_device SCSI_Device_T;
- typedef struct scsi_disk SCSI_Disk_T;
- typedef struct scsi_cmnd SCSI_Command_T;
- typedef struct scatterlist SCSI_ScatterList_T;
- /*
- Define prototypes for the BusLogic Driver Interface Functions.
- */
- extern const char *BusLogic_DriverInfo(SCSI_Host_T *);
- extern int BusLogic_DetectHostAdapter(SCSI_Host_Template_T *);
- extern int BusLogic_ReleaseHostAdapter(SCSI_Host_T *);
- extern int BusLogic_QueueCommand(SCSI_Command_T *,
- void (*CompletionRoutine)(SCSI_Command_T *));
- extern int BusLogic_AbortCommand(SCSI_Command_T *);
- extern int BusLogic_ResetCommand(SCSI_Command_T *, unsigned int);
- extern int BusLogic_BIOSDiskParameters(SCSI_Disk_T *, KernelDevice_T, int *);
- extern int BusLogic_ProcDirectoryInfo(char *, char **, off_t, int, int, int);
- /*
- Define the BusLogic SCSI Host Template structure.
- */
- #define BUSLOGIC
- { proc_name: "BusLogic", /* ProcFS Directory Entry */
- proc_info: BusLogic_ProcDirectoryInfo, /* ProcFS Info Function */
- name: "BusLogic", /* Driver Name */
- detect: BusLogic_DetectHostAdapter, /* Detect Host Adapter */
- release: BusLogic_ReleaseHostAdapter, /* Release Host Adapter */
- info: BusLogic_DriverInfo, /* Driver Info Function */
- queuecommand: BusLogic_QueueCommand, /* Queue Command Function */
- abort: BusLogic_AbortCommand, /* Abort Command Function */
- reset: BusLogic_ResetCommand, /* Reset Command Function */
- bios_param: BusLogic_BIOSDiskParameters, /* BIOS Disk Parameters */
- unchecked_isa_dma: 1, /* Default Initial Value */
- max_sectors: 128, /* I/O queue len limit */
- use_clustering: ENABLE_CLUSTERING } /* Enable Clustering */
- /*
- BusLogic_DriverVersion protects the private portion of this file.
- */
- #ifdef BusLogic_DriverVersion
- /*
- FlashPoint support is only available for the Intel x86 Architecture with
- CONFIG_PCI set.
- */
- #ifndef __i386__
- #undef CONFIG_SCSI_OMIT_FLASHPOINT
- #define CONFIG_SCSI_OMIT_FLASHPOINT
- #endif
- #ifndef CONFIG_PCI
- #undef CONFIG_SCSI_OMIT_FLASHPOINT
- #define CONFIG_SCSI_OMIT_FLASHPOINT
- #define BusLogic_InitializeProbeInfoListISA
- BusLogic_InitializeProbeInfoList
- #endif
- /*
- Define the maximum number of BusLogic Host Adapters supported by this driver.
- */
- #define BusLogic_MaxHostAdapters 16
- /*
- Define the maximum number of Target Devices supported by this driver.
- */
- #define BusLogic_MaxTargetDevices 16
- /*
- Define the maximum number of Scatter/Gather Segments used by this driver.
- For optimal performance, it is important that this limit be at least as
- large as the largest single request generated by the I/O Subsystem.
- */
- #define BusLogic_ScatterGatherLimit 128
- /*
- Define the maximum, maximum automatic, minimum automatic, and default Queue
- Depth to allow for Target Devices depending on whether or not they support
- Tagged Queuing and whether or not ISA Bounce Buffers are required.
- */
- #define BusLogic_MaxTaggedQueueDepth 64
- #define BusLogic_MaxAutomaticTaggedQueueDepth 28
- #define BusLogic_MinAutomaticTaggedQueueDepth 7
- #define BusLogic_TaggedQueueDepthBB 3
- #define BusLogic_UntaggedQueueDepth 3
- #define BusLogic_UntaggedQueueDepthBB 2
- /*
- Define the default amount of time in seconds to wait between a Host Adapter
- Hard Reset which initiates a SCSI Bus Reset and issuing any SCSI commands.
- Some SCSI devices get confused if they receive SCSI commands too soon after
- a SCSI Bus Reset.
- */
- #define BusLogic_DefaultBusSettleTime 2
- /*
- Define the maximum number of Mailboxes that should be used for MultiMaster
- Host Adapters. This number is chosen to be larger than the maximum Host
- Adapter Queue Depth and small enough so that the Host Adapter structure
- does not cross an allocation block size boundary.
- */
- #define BusLogic_MaxMailboxes 211
- /*
- Define the number of CCBs that should be allocated as a group to optimize
- Kernel memory allocation.
- */
- #define BusLogic_CCB_AllocationGroupSize 7
- /*
- Define the Host Adapter Line and Message Buffer Sizes.
- */
- #define BusLogic_LineBufferSize 100
- #define BusLogic_MessageBufferSize 9700
- /*
- Define the Driver Message Levels.
- */
- typedef enum BusLogic_MessageLevel
- {
- BusLogic_AnnounceLevel = 0,
- BusLogic_InfoLevel = 1,
- BusLogic_NoticeLevel = 2,
- BusLogic_WarningLevel = 3,
- BusLogic_ErrorLevel = 4
- }
- BusLogic_MessageLevel_T;
- static char
- *BusLogic_MessageLevelMap[] =
- { KERN_NOTICE, KERN_NOTICE, KERN_NOTICE, KERN_WARNING, KERN_ERR };
- /*
- Define Driver Message macros.
- */
- #define BusLogic_Announce(Format, Arguments...)
- BusLogic_Message(BusLogic_AnnounceLevel, Format, ##Arguments)
- #define BusLogic_Info(Format, Arguments...)
- BusLogic_Message(BusLogic_InfoLevel, Format, ##Arguments)
- #define BusLogic_Notice(Format, Arguments...)
- BusLogic_Message(BusLogic_NoticeLevel, Format, ##Arguments)
- #define BusLogic_Warning(Format, Arguments...)
- BusLogic_Message(BusLogic_WarningLevel, Format, ##Arguments)
- #define BusLogic_Error(Format, Arguments...)
- BusLogic_Message(BusLogic_ErrorLevel, Format, ##Arguments)
- /*
- Define the types of BusLogic Host Adapters that are supported and the number
- of I/O Addresses required by each type.
- */
- typedef enum
- {
- BusLogic_MultiMaster = 1,
- BusLogic_FlashPoint = 2
- }
- __attribute__ ((packed))
- BusLogic_HostAdapterType_T;
- #define BusLogic_MultiMasterAddressCount 4
- #define BusLogic_FlashPointAddressCount 256
- static int
- BusLogic_HostAdapterAddressCount[3] =
- { 0, BusLogic_MultiMasterAddressCount, BusLogic_FlashPointAddressCount };
- /*
- Define macros for testing the Host Adapter Type.
- */
- #ifndef CONFIG_SCSI_OMIT_FLASHPOINT
- #define BusLogic_MultiMasterHostAdapterP(HostAdapter)
- (HostAdapter->HostAdapterType == BusLogic_MultiMaster)
- #define BusLogic_FlashPointHostAdapterP(HostAdapter)
- (HostAdapter->HostAdapterType == BusLogic_FlashPoint)
- #else
- #define BusLogic_MultiMasterHostAdapterP(HostAdapter)
- (true)
- #define BusLogic_FlashPointHostAdapterP(HostAdapter)
- (false)
- #endif
- /*
- Define the possible Host Adapter Bus Types.
- */
- typedef enum
- {
- BusLogic_Unknown_Bus = 0,
- BusLogic_ISA_Bus = 1,
- BusLogic_EISA_Bus = 2,
- BusLogic_PCI_Bus = 3,
- BusLogic_VESA_Bus = 4,
- BusLogic_MCA_Bus = 5
- }
- __attribute__ ((packed))
- BusLogic_HostAdapterBusType_T;
- static char
- *BusLogic_HostAdapterBusNames[] =
- { "Unknown", "ISA", "EISA", "PCI", "VESA", "MCA" };
- static BusLogic_HostAdapterBusType_T
- BusLogic_HostAdapterBusTypes[] =
- { BusLogic_VESA_Bus, /* BT-4xx */
- BusLogic_ISA_Bus, /* BT-5xx */
- BusLogic_MCA_Bus, /* BT-6xx */
- BusLogic_EISA_Bus, /* BT-7xx */
- BusLogic_Unknown_Bus, /* BT-8xx */
- BusLogic_PCI_Bus }; /* BT-9xx */
- /*
- Define the possible Host Adapter BIOS Disk Geometry Translations.
- */
- typedef enum BusLogic_BIOS_DiskGeometryTranslation
- {
- BusLogic_BIOS_Disk_Not_Installed = 0,
- BusLogic_BIOS_Disk_Installed_64x32 = 1,
- BusLogic_BIOS_Disk_Installed_128x32 = 2,
- BusLogic_BIOS_Disk_Installed_255x63 = 3
- }
- __attribute__ ((packed))
- BusLogic_BIOS_DiskGeometryTranslation_T;
- /*
- Define a Boolean data type.
- */
- typedef enum { false, true } __attribute__ ((packed)) boolean;
- /*
- Define a 32 bit I/O Address data type.
- */
- typedef unsigned int BusLogic_IO_Address_T;
- /*
- Define a 32 bit PCI Bus Address data type.
- */
- typedef unsigned int BusLogic_PCI_Address_T;
- /*
- Define a 32 bit Base Address data type.
- */
- typedef unsigned int BusLogic_Base_Address_T;
- /*
- Define a 32 bit Bus Address data type.
- */
- typedef unsigned int BusLogic_BusAddress_T;
- /*
- Define a 32 bit Byte Count data type.
- */
- typedef unsigned int BusLogic_ByteCount_T;
- /*
- Define a 10^18 Statistics Byte Counter data type.
- */
- typedef struct BusLogic_ByteCounter
- {
- unsigned int Units;
- unsigned int Billions;
- }
- BusLogic_ByteCounter_T;
- /*
- Define the structure for I/O Address and Bus Probing Information.
- */
- typedef struct BusLogic_ProbeInfo
- {
- BusLogic_HostAdapterType_T HostAdapterType;
- BusLogic_HostAdapterBusType_T HostAdapterBusType;
- BusLogic_IO_Address_T IO_Address;
- BusLogic_PCI_Address_T PCI_Address;
- unsigned char Bus;
- unsigned char Device;
- unsigned char IRQ_Channel;
- }
- BusLogic_ProbeInfo_T;
- /*
- Define the Probe Options.
- */
- typedef struct BusLogic_ProbeOptions
- {
- boolean NoProbe:1; /* Bit 0 */
- boolean NoProbeISA:1; /* Bit 1 */
- boolean NoProbePCI:1; /* Bit 2 */
- boolean NoSortPCI:1; /* Bit 3 */
- boolean MultiMasterFirst:1; /* Bit 4 */
- boolean FlashPointFirst:1; /* Bit 5 */
- boolean LimitedProbeISA:1; /* Bit 6 */
- boolean Probe330:1; /* Bit 7 */
- boolean Probe334:1; /* Bit 8 */
- boolean Probe230:1; /* Bit 9 */
- boolean Probe234:1; /* Bit 10 */
- boolean Probe130:1; /* Bit 11 */
- boolean Probe134:1; /* Bit 12 */
- }
- BusLogic_ProbeOptions_T;
- /*
- Define the Global Options.
- */
- typedef struct BusLogic_GlobalOptions
- {
- boolean TraceProbe:1; /* Bit 0 */
- boolean TraceHardwareReset:1; /* Bit 1 */
- boolean TraceConfiguration:1; /* Bit 2 */
- boolean TraceErrors:1; /* Bit 3 */
- }
- BusLogic_GlobalOptions_T;
- /*
- Define the Local Options.
- */
- typedef struct BusLogic_LocalOptions
- {
- boolean InhibitTargetInquiry:1; /* Bit 0 */
- }
- BusLogic_LocalOptions_T;
- /*
- Define the Error Recovery Strategy Options.
- */
- typedef enum
- {
- BusLogic_ErrorRecovery_Default = 0,
- BusLogic_ErrorRecovery_BusDeviceReset = 1,
- BusLogic_ErrorRecovery_HardReset = 2,
- BusLogic_ErrorRecovery_None = 3
- }
- __attribute__ ((packed))
- BusLogic_ErrorRecoveryStrategy_T;
- static char
- *BusLogic_ErrorRecoveryStrategyNames[] =
- { "Default", "Bus Device Reset", "Hard Reset", "None" },
- BusLogic_ErrorRecoveryStrategyLetters[] =
- { 'D', 'B', 'H', 'N' };
- /*
- Define the BusLogic SCSI Host Adapter I/O Register Offsets.
- */
- #define BusLogic_ControlRegisterOffset 0 /* WO register */
- #define BusLogic_StatusRegisterOffset 0 /* RO register */
- #define BusLogic_CommandParameterRegisterOffset 1 /* WO register */
- #define BusLogic_DataInRegisterOffset 1 /* RO register */
- #define BusLogic_InterruptRegisterOffset 2 /* RO register */
- #define BusLogic_GeometryRegisterOffset 3 /* RO register */
- /*
- Define the structure of the write-only Control Register.
- */
- typedef union BusLogic_ControlRegister
- {
- unsigned char All;
- struct {
- unsigned char :4; /* Bits 0-3 */
- boolean SCSIBusReset:1; /* Bit 4 */
- boolean InterruptReset:1; /* Bit 5 */
- boolean SoftReset:1; /* Bit 6 */
- boolean HardReset:1; /* Bit 7 */
- } Bits;
- }
- BusLogic_ControlRegister_T;
- /*
- Define the structure of the read-only Status Register.
- */
- typedef union BusLogic_StatusRegister
- {
- unsigned char All;
- struct {
- boolean CommandInvalid:1; /* Bit 0 */
- boolean Reserved:1; /* Bit 1 */
- boolean DataInRegisterReady:1; /* Bit 2 */
- boolean CommandParameterRegisterBusy:1; /* Bit 3 */
- boolean HostAdapterReady:1; /* Bit 4 */
- boolean InitializationRequired:1; /* Bit 5 */
- boolean DiagnosticFailure:1; /* Bit 6 */
- boolean DiagnosticActive:1; /* Bit 7 */
- } Bits;
- }
- BusLogic_StatusRegister_T;
- /*
- Define the structure of the read-only Interrupt Register.
- */
- typedef union BusLogic_InterruptRegister
- {
- unsigned char All;
- struct {
- boolean IncomingMailboxLoaded:1; /* Bit 0 */
- boolean OutgoingMailboxAvailable:1; /* Bit 1 */
- boolean CommandComplete:1; /* Bit 2 */
- boolean ExternalBusReset:1; /* Bit 3 */
- unsigned char Reserved:3; /* Bits 4-6 */
- boolean InterruptValid:1; /* Bit 7 */
- } Bits;
- }
- BusLogic_InterruptRegister_T;
- /*
- Define the structure of the read-only Geometry Register.
- */
- typedef union BusLogic_GeometryRegister
- {
- unsigned char All;
- struct {
- BusLogic_BIOS_DiskGeometryTranslation_T Drive0Geometry:2; /* Bits 0-1 */
- BusLogic_BIOS_DiskGeometryTranslation_T Drive1Geometry:2; /* Bits 2-3 */
- unsigned char :3; /* Bits 4-6 */
- boolean ExtendedTranslationEnabled:1; /* Bit 7 */
- } Bits;
- }
- BusLogic_GeometryRegister_T;
- /*
- Define the BusLogic SCSI Host Adapter Command Register Operation Codes.
- */
- typedef enum
- {
- BusLogic_TestCommandCompleteInterrupt = 0x00,
- BusLogic_InitializeMailbox = 0x01,
- BusLogic_ExecuteMailboxCommand = 0x02,
- BusLogic_ExecuteBIOSCommand = 0x03,
- BusLogic_InquireBoardID = 0x04,
- BusLogic_EnableOutgoingMailboxAvailableInt = 0x05,
- BusLogic_SetSCSISelectionTimeout = 0x06,
- BusLogic_SetPreemptTimeOnBus = 0x07,
- BusLogic_SetTimeOffBus = 0x08,
- BusLogic_SetBusTransferRate = 0x09,
- BusLogic_InquireInstalledDevicesID0to7 = 0x0A,
- BusLogic_InquireConfiguration = 0x0B,
- BusLogic_EnableTargetMode = 0x0C,
- BusLogic_InquireSetupInformation = 0x0D,
- BusLogic_WriteAdapterLocalRAM = 0x1A,
- BusLogic_ReadAdapterLocalRAM = 0x1B,
- BusLogic_WriteBusMasterChipFIFO = 0x1C,
- BusLogic_ReadBusMasterChipFIFO = 0x1D,
- BusLogic_EchoCommandData = 0x1F,
- BusLogic_HostAdapterDiagnostic = 0x20,
- BusLogic_SetAdapterOptions = 0x21,
- BusLogic_InquireInstalledDevicesID8to15 = 0x23,
- BusLogic_InquireTargetDevices = 0x24,
- BusLogic_DisableHostAdapterInterrupt = 0x25,
- BusLogic_InitializeExtendedMailbox = 0x81,
- BusLogic_ExecuteSCSICommand = 0x83,
- BusLogic_InquireFirmwareVersion3rdDigit = 0x84,
- BusLogic_InquireFirmwareVersionLetter = 0x85,
- BusLogic_InquirePCIHostAdapterInformation = 0x86,
- BusLogic_InquireHostAdapterModelNumber = 0x8B,
- BusLogic_InquireSynchronousPeriod = 0x8C,
- BusLogic_InquireExtendedSetupInformation = 0x8D,
- BusLogic_EnableStrictRoundRobinMode = 0x8F,
- BusLogic_StoreHostAdapterLocalRAM = 0x90,
- BusLogic_FetchHostAdapterLocalRAM = 0x91,
- BusLogic_StoreLocalDataInEEPROM = 0x92,
- BusLogic_UploadAutoSCSICode = 0x94,
- BusLogic_ModifyIOAddress = 0x95,
- BusLogic_SetCCBFormat = 0x96,
- BusLogic_WriteInquiryBuffer = 0x9A,
- BusLogic_ReadInquiryBuffer = 0x9B,
- BusLogic_FlashROMUploadDownload = 0xA7,
- BusLogic_ReadSCAMData = 0xA8,
- BusLogic_WriteSCAMData = 0xA9
- }
- BusLogic_OperationCode_T;
- /*
- Define the Inquire Board ID reply structure.
- */
- typedef struct BusLogic_BoardID
- {
- unsigned char BoardType; /* Byte 0 */
- unsigned char CustomFeatures; /* Byte 1 */
- unsigned char FirmwareVersion1stDigit; /* Byte 2 */
- unsigned char FirmwareVersion2ndDigit; /* Byte 3 */
- }
- BusLogic_BoardID_T;
- /*
- Define the Inquire Installed Devices ID 0 to 7 and Inquire Installed
- Devices ID 8 to 15 reply type. For each Target Device, a byte is returned
- where bit 0 set indicates that Logical Unit 0 exists, bit 1 set indicates
- that Logical Unit 1 exists, and so on.
- */
- typedef unsigned char BusLogic_InstalledDevices8_T[8];
- /*
- Define the Inquire Target Devices reply type. Inquire Target Devices only
- tests Logical Unit 0 of each Target Device unlike the Inquire Installed
- Devices commands which test Logical Units 0 - 7. Two bytes are returned,
- where byte 0 bit 0 set indicates that Target Device 0 exists, and so on.
- */
- typedef unsigned short BusLogic_InstalledDevices_T;
- /*
- Define the Inquire Configuration reply structure.
- */
- typedef struct BusLogic_Configuration
- {
- unsigned char :5; /* Byte 0 Bits 0-4 */
- boolean DMA_Channel5:1; /* Byte 0 Bit 5 */
- boolean DMA_Channel6:1; /* Byte 0 Bit 6 */
- boolean DMA_Channel7:1; /* Byte 0 Bit 7 */
- boolean IRQ_Channel9:1; /* Byte 1 Bit 0 */
- boolean IRQ_Channel10:1; /* Byte 1 Bit 1 */
- boolean IRQ_Channel11:1; /* Byte 1 Bit 2 */
- boolean IRQ_Channel12:1; /* Byte 1 Bit 3 */
- unsigned char :1; /* Byte 1 Bit 4 */
- boolean IRQ_Channel14:1; /* Byte 1 Bit 5 */
- boolean IRQ_Channel15:1; /* Byte 1 Bit 6 */
- unsigned char :1; /* Byte 1 Bit 7 */
- unsigned char HostAdapterID:4; /* Byte 2 Bits 0-3 */
- unsigned char :4; /* Byte 2 Bits 4-7 */
- }
- BusLogic_Configuration_T;
- /*
- Define the Inquire Setup Information reply structure.
- */
- typedef struct BusLogic_SynchronousValue
- {
- unsigned char Offset:4; /* Bits 0-3 */
- unsigned char TransferPeriod:3; /* Bits 4-6 */
- boolean Synchronous:1; /* Bit 7 */
- }
- BusLogic_SynchronousValue_T;
- typedef BusLogic_SynchronousValue_T
- BusLogic_SynchronousValues8_T[8];
- typedef BusLogic_SynchronousValue_T
- BusLogic_SynchronousValues_T[BusLogic_MaxTargetDevices];
- typedef struct BusLogic_SetupInformation
- {
- boolean SynchronousInitiationEnabled:1; /* Byte 0 Bit 0 */
- boolean ParityCheckingEnabled:1; /* Byte 0 Bit 1 */
- unsigned char :6; /* Byte 0 Bits 2-7 */
- unsigned char BusTransferRate; /* Byte 1 */
- unsigned char PreemptTimeOnBus; /* Byte 2 */
- unsigned char TimeOffBus; /* Byte 3 */
- unsigned char MailboxCount; /* Byte 4 */
- unsigned char MailboxAddress[3]; /* Bytes 5-7 */
- BusLogic_SynchronousValues8_T SynchronousValuesID0to7; /* Bytes 8-15 */
- unsigned char DisconnectPermittedID0to7; /* Byte 16 */
- unsigned char Signature; /* Byte 17 */
- unsigned char CharacterD; /* Byte 18 */
- unsigned char HostBusType; /* Byte 19 */
- unsigned char WideTransfersPermittedID0to7; /* Byte 20 */
- unsigned char WideTransfersActiveID0to7; /* Byte 21 */
- BusLogic_SynchronousValues8_T SynchronousValuesID8to15; /* Bytes 22-29 */
- unsigned char DisconnectPermittedID8to15; /* Byte 30 */
- unsigned char :8; /* Byte 31 */
- unsigned char WideTransfersPermittedID8to15; /* Byte 32 */
- unsigned char WideTransfersActiveID8to15; /* Byte 33 */
- }
- BusLogic_SetupInformation_T;
- /*
- Define the Initialize Extended Mailbox request structure.
- */
- typedef struct BusLogic_ExtendedMailboxRequest
- {
- unsigned char MailboxCount; /* Byte 0 */
- BusLogic_BusAddress_T BaseMailboxAddress; /* Bytes 1-4 */
- }
- __attribute__ ((packed))
- BusLogic_ExtendedMailboxRequest_T;
- /*
- Define the Inquire Firmware Version 3rd Digit reply type.
- */
- typedef unsigned char BusLogic_FirmwareVersion3rdDigit_T;
- /*
- Define the Inquire Firmware Version Letter reply type.
- */
- typedef unsigned char BusLogic_FirmwareVersionLetter_T;
- /*
- Define the Inquire PCI Host Adapter Information reply type. The ISA
- Compatible I/O Port values are defined here and are also used with
- the Modify I/O Address command.
- */
- typedef enum BusLogic_ISACompatibleIOPort
- {
- BusLogic_IO_330 = 0,
- BusLogic_IO_334 = 1,
- BusLogic_IO_230 = 2,
- BusLogic_IO_234 = 3,
- BusLogic_IO_130 = 4,
- BusLogic_IO_134 = 5,
- BusLogic_IO_Disable = 6,
- BusLogic_IO_Disable2 = 7
- }
- __attribute__ ((packed))
- BusLogic_ISACompatibleIOPort_T;
- typedef struct BusLogic_PCIHostAdapterInformation
- {
- BusLogic_ISACompatibleIOPort_T ISACompatibleIOPort; /* Byte 0 */
- unsigned char PCIAssignedIRQChannel; /* Byte 1 */
- boolean LowByteTerminated:1; /* Byte 2 Bit 0 */
- boolean HighByteTerminated:1; /* Byte 2 Bit 1 */
- unsigned char :2; /* Byte 2 Bits 2-3 */
- boolean JP1:1; /* Byte 2 Bit 4 */
- boolean JP2:1; /* Byte 2 Bit 5 */
- boolean JP3:1; /* Byte 2 Bit 6 */
- boolean GenericInfoValid:1; /* Byte 2 Bit 7 */
- unsigned char :8; /* Byte 3 */
- }
- BusLogic_PCIHostAdapterInformation_T;
- /*
- Define the Inquire Host Adapter Model Number reply type.
- */
- typedef unsigned char BusLogic_HostAdapterModelNumber_T[5];
- /*
- Define the Inquire Synchronous Period reply type. For each Target Device,
- a byte is returned which represents the Synchronous Transfer Period in units
- of 10 nanoseconds.
- */
- typedef unsigned char BusLogic_SynchronousPeriod_T[BusLogic_MaxTargetDevices];
- /*
- Define the Inquire Extended Setup Information reply structure.
- */
- typedef struct BusLogic_ExtendedSetupInformation
- {
- unsigned char BusType; /* Byte 0 */
- unsigned char BIOS_Address; /* Byte 1 */
- unsigned short ScatterGatherLimit; /* Bytes 2-3 */
- unsigned char MailboxCount; /* Byte 4 */
- BusLogic_BusAddress_T BaseMailboxAddress; /* Bytes 5-8 */
- struct { unsigned char :2; /* Byte 9 Bits 0-1 */
- boolean FastOnEISA:1; /* Byte 9 Bit 2 */
- unsigned char :3; /* Byte 9 Bits 3-5 */
- boolean LevelSensitiveInterrupt:1; /* Byte 9 Bit 6 */
- unsigned char :1; } Misc; /* Byte 9 Bit 7 */
- unsigned char FirmwareRevision[3]; /* Bytes 10-12 */
- boolean HostWideSCSI:1; /* Byte 13 Bit 0 */
- boolean HostDifferentialSCSI:1; /* Byte 13 Bit 1 */
- boolean HostSupportsSCAM:1; /* Byte 13 Bit 2 */
- boolean HostUltraSCSI:1; /* Byte 13 Bit 3 */
- boolean HostSmartTermination:1; /* Byte 13 Bit 4 */
- unsigned char :3; /* Byte 13 Bits 5-7 */
- }
- __attribute__ ((packed))
- BusLogic_ExtendedSetupInformation_T;
- /*
- Define the Enable Strict Round Robin Mode request type.
- */
- typedef enum BusLogic_RoundRobinModeRequest
- {
- BusLogic_AggressiveRoundRobinMode = 0,
- BusLogic_StrictRoundRobinMode = 1
- }
- __attribute__ ((packed))
- BusLogic_RoundRobinModeRequest_T;
- /*
- Define the Fetch Host Adapter Local RAM request type.
- */
- #define BusLogic_BIOS_BaseOffset 0
- #define BusLogic_AutoSCSI_BaseOffset 64
- typedef struct BusLogic_FetchHostAdapterLocalRAMRequest
- {
- unsigned char ByteOffset; /* Byte 0 */
- unsigned char ByteCount; /* Byte 1 */
- }
- BusLogic_FetchHostAdapterLocalRAMRequest_T;
- /*
- Define the Host Adapter Local RAM AutoSCSI structure.
- */
- typedef struct BusLogic_AutoSCSIData
- {
- unsigned char InternalFactorySignature[2]; /* Bytes 0-1 */
- unsigned char InformationByteCount; /* Byte 2 */
- unsigned char HostAdapterType[6]; /* Bytes 3-8 */
- unsigned char :8; /* Byte 9 */
- boolean FloppyEnabled:1; /* Byte 10 Bit 0 */
- boolean FloppySecondary:1; /* Byte 10 Bit 1 */
- boolean LevelSensitiveInterrupt:1; /* Byte 10 Bit 2 */
- unsigned char :2; /* Byte 10 Bits 3-4 */
- unsigned char SystemRAMAreaForBIOS:3; /* Byte 10 Bits 5-7 */
- unsigned char DMA_Channel:7; /* Byte 11 Bits 0-6 */
- boolean DMA_AutoConfiguration:1; /* Byte 11 Bit 7 */
- unsigned char IRQ_Channel:7; /* Byte 12 Bits 0-6 */
- boolean IRQ_AutoConfiguration:1; /* Byte 12 Bit 7 */
- unsigned char DMA_TransferRate; /* Byte 13 */
- unsigned char SCSI_ID; /* Byte 14 */
- boolean LowByteTerminated:1; /* Byte 15 Bit 0 */
- boolean ParityCheckingEnabled:1; /* Byte 15 Bit 1 */
- boolean HighByteTerminated:1; /* Byte 15 Bit 2 */
- boolean NoisyCablingEnvironment:1; /* Byte 15 Bit 3 */
- boolean FastSynchronousNegotiation:1; /* Byte 15 Bit 4 */
- boolean BusResetEnabled:1; /* Byte 15 Bit 5 */
- boolean :1; /* Byte 15 Bit 6 */
- boolean ActiveNegationEnabled:1; /* Byte 15 Bit 7 */
- unsigned char BusOnDelay; /* Byte 16 */
- unsigned char BusOffDelay; /* Byte 17 */
- boolean HostAdapterBIOSEnabled:1; /* Byte 18 Bit 0 */
- boolean BIOSRedirectionOfINT19Enabled:1; /* Byte 18 Bit 1 */
- boolean ExtendedTranslationEnabled:1; /* Byte 18 Bit 2 */
- boolean MapRemovableAsFixedEnabled:1; /* Byte 18 Bit 3 */
- boolean :1; /* Byte 18 Bit 4 */
- boolean BIOSSupportsMoreThan2DrivesEnabled:1; /* Byte 18 Bit 5 */
- boolean BIOSInterruptModeEnabled:1; /* Byte 18 Bit 6 */
- boolean FlopticalSupportEnabled:1; /* Byte 19 Bit 7 */
- unsigned short DeviceEnabled; /* Bytes 19-20 */
- unsigned short WidePermitted; /* Bytes 21-22 */
- unsigned short FastPermitted; /* Bytes 23-24 */
- unsigned short SynchronousPermitted; /* Bytes 25-26 */
- unsigned short DisconnectPermitted; /* Bytes 27-28 */
- unsigned short SendStartUnitCommand; /* Bytes 29-30 */
- unsigned short IgnoreInBIOSScan; /* Bytes 31-32 */
- unsigned char PCIInterruptPin:2; /* Byte 33 Bits 0-1 */
- unsigned char HostAdapterIOPortAddress:2; /* Byte 33 Bits 2-3 */
- boolean StrictRoundRobinModeEnabled:1; /* Byte 33 Bit 4 */
- boolean VESABusSpeedGreaterThan33MHz:1; /* Byte 33 Bit 5 */
- boolean VESABurstWriteEnabled:1; /* Byte 33 Bit 6 */
- boolean VESABurstReadEnabled:1; /* Byte 33 Bit 7 */
- unsigned short UltraPermitted; /* Bytes 34-35 */
- unsigned int :32; /* Bytes 36-39 */
- unsigned char :8; /* Byte 40 */
- unsigned char AutoSCSIMaximumLUN; /* Byte 41 */
- boolean :1; /* Byte 42 Bit 0 */
- boolean SCAM_Dominant:1; /* Byte 42 Bit 1 */
- boolean SCAM_Enabled:1; /* Byte 42 Bit 2 */
- boolean SCAM_Level2:1; /* Byte 42 Bit 3 */
- unsigned char :4; /* Byte 42 Bits 4-7 */
- boolean INT13ExtensionEnabled:1; /* Byte 43 Bit 0 */
- boolean :1; /* Byte 43 Bit 1 */
- boolean CDROMBootEnabled:1; /* Byte 43 Bit 2 */
- unsigned char :5; /* Byte 43 Bits 3-7 */
- unsigned char BootTargetID:4; /* Byte 44 Bits 0-3 */
- unsigned char BootChannel:4; /* Byte 44 Bits 4-7 */
- unsigned char ForceBusDeviceScanningOrder:1; /* Byte 45 Bit 0 */
- unsigned char :7; /* Byte 45 Bits 1-7 */
- unsigned short NonTaggedToAlternateLUNPermitted; /* Bytes 46-47 */
- unsigned short RenegotiateSyncAfterCheckCondition; /* Bytes 48-49 */
- unsigned char Reserved[10]; /* Bytes 50-59 */
- unsigned char ManufacturingDiagnostic[2]; /* Bytes 60-61 */
- unsigned short Checksum; /* Bytes 62-63 */
- }
- __attribute__ ((packed))
- BusLogic_AutoSCSIData_T;
- /*
- Define the Host Adapter Local RAM Auto SCSI Byte 45 structure.
- */
- typedef struct BusLogic_AutoSCSIByte45
- {
- unsigned char ForceBusDeviceScanningOrder:1; /* Bit 0 */
- unsigned char :7; /* Bits 1-7 */
- }
- BusLogic_AutoSCSIByte45_T;
- /*
- Define the Host Adapter Local RAM BIOS Drive Map Byte structure.
- */
- #define BusLogic_BIOS_DriveMapOffset 17
- typedef struct BusLogic_BIOSDriveMapByte
- {
- unsigned char TargetIDBit3:1; /* Bit 0 */
- unsigned char :2; /* Bits 1-2 */
- BusLogic_BIOS_DiskGeometryTranslation_T DiskGeometry:2; /* Bits 3-4 */
- unsigned char TargetID:3; /* Bits 5-7 */
- }
- BusLogic_BIOSDriveMapByte_T;
- /*
- Define the Modify I/O Address request type. On PCI Host Adapters, the
- Modify I/O Address command allows modification of the ISA compatible I/O
- Address that the Host Adapter responds to; it does not affect the PCI
- compliant I/O Address assigned at system initialization.
- */
- typedef BusLogic_ISACompatibleIOPort_T BusLogic_ModifyIOAddressRequest_T;
- /*
- Define the Set CCB Format request type. Extended LUN Format CCBs are
- necessary to support more than 8 Logical Units per Target Device.
- */
- typedef enum BusLogic_SetCCBFormatRequest
- {
- BusLogic_LegacyLUNFormatCCB = 0,
- BusLogic_ExtendedLUNFormatCCB = 1
- }
- __attribute__ ((packed))
- BusLogic_SetCCBFormatRequest_T;
- /*
- Define the Requested Reply Length type used by the Inquire Setup Information,
- Inquire Host Adapter Model Number, Inquire Synchronous Period, and Inquire
- Extended Setup Information commands.
- */
- typedef unsigned char BusLogic_RequestedReplyLength_T;
- /*
- Define the Outgoing Mailbox Action Codes.
- */
- typedef enum
- {
- BusLogic_OutgoingMailboxFree = 0x00,
- BusLogic_MailboxStartCommand = 0x01,
- BusLogic_MailboxAbortCommand = 0x02
- }
- __attribute__ ((packed))
- BusLogic_ActionCode_T;
- /*
- Define the Incoming Mailbox Completion Codes. The MultiMaster Firmware
- only uses codes 0 - 4. The FlashPoint SCCB Manager has no mailboxes, so
- completion codes are stored in the CCB; it only uses codes 1, 2, 4, and 5.
- */
- typedef enum
- {
- BusLogic_IncomingMailboxFree = 0x00,
- BusLogic_CommandCompletedWithoutError = 0x01,
- BusLogic_CommandAbortedAtHostRequest = 0x02,
- BusLogic_AbortedCommandNotFound = 0x03,
- BusLogic_CommandCompletedWithError = 0x04,
- BusLogic_InvalidCCB = 0x05
- }
- __attribute__ ((packed))
- BusLogic_CompletionCode_T;
- /*
- Define the Command Control Block (CCB) Opcodes.
- */
- typedef enum
- {
- BusLogic_InitiatorCCB = 0x00,
- BusLogic_TargetCCB = 0x01,
- BusLogic_InitiatorCCB_ScatterGather = 0x02,
- BusLogic_InitiatorCCB_ResidualDataLength = 0x03,
- BusLogic_InitiatorCCB_ScatterGatherResidual = 0x04,
- BusLogic_BusDeviceReset = 0x81
- }
- __attribute__ ((packed))
- BusLogic_CCB_Opcode_T;
- /*
- Define the CCB Data Direction Codes.
- */
- typedef enum
- {
- BusLogic_UncheckedDataTransfer = 0,
- BusLogic_DataInLengthChecked = 1,
- BusLogic_DataOutLengthChecked = 2,
- BusLogic_NoDataTransfer = 3
- }
- BusLogic_DataDirection_T;
- /*
- Define the Host Adapter Status Codes. The MultiMaster Firmware does not
- return status code 0x0C; it uses 0x12 for both overruns and underruns.
- */
- typedef enum
- {
- BusLogic_CommandCompletedNormally = 0x00,
- BusLogic_LinkedCommandCompleted = 0x0A,
- BusLogic_LinkedCommandCompletedWithFlag = 0x0B,
- BusLogic_DataUnderRun = 0x0C,
- BusLogic_SCSISelectionTimeout = 0x11,
- BusLogic_DataOverRun = 0x12,
- BusLogic_UnexpectedBusFree = 0x13,
- BusLogic_InvalidBusPhaseRequested = 0x14,
- BusLogic_InvalidOutgoingMailboxActionCode = 0x15,
- BusLogic_InvalidCommandOperationCode = 0x16,
- BusLogic_LinkedCCBhasInvalidLUN = 0x17,
- BusLogic_InvalidCommandParameter = 0x1A,
- BusLogic_AutoRequestSenseFailed = 0x1B,
- BusLogic_TaggedQueuingMessageRejected = 0x1C,
- BusLogic_UnsupportedMessageReceived = 0x1D,
- BusLogic_HostAdapterHardwareFailed = 0x20,
- BusLogic_TargetFailedResponseToATN = 0x21,
- BusLogic_HostAdapterAssertedRST = 0x22,
- BusLogic_OtherDeviceAssertedRST = 0x23,
- BusLogic_TargetDeviceReconnectedImproperly = 0x24,
- BusLogic_HostAdapterAssertedBusDeviceReset = 0x25,
- BusLogic_AbortQueueGenerated = 0x26,
- BusLogic_HostAdapterSoftwareError = 0x27,
- BusLogic_HostAdapterHardwareTimeoutError = 0x30,
- BusLogic_SCSIParityErrorDetected = 0x34
- }
- __attribute__ ((packed))
- BusLogic_HostAdapterStatus_T;
- /*
- Define the SCSI Target Device Status Codes.
- */
- typedef enum
- {
- BusLogic_OperationGood = 0x00,
- BusLogic_CheckCondition = 0x02,
- BusLogic_DeviceBusy = 0x08
- }
- __attribute__ ((packed))
- BusLogic_TargetDeviceStatus_T;
- /*
- Define the Queue Tag Codes.
- */
- typedef enum
- {
- BusLogic_SimpleQueueTag = 0,
- BusLogic_HeadOfQueueTag = 1,
- BusLogic_OrderedQueueTag = 2,
- BusLogic_ReservedQT = 3
- }
- BusLogic_QueueTag_T;
- /*
- Define the SCSI Command Descriptor Block (CDB).
- */
- #define BusLogic_CDB_MaxLength 12
- typedef unsigned char SCSI_CDB_T[BusLogic_CDB_MaxLength];
- /*
- Define the Scatter/Gather Segment structure required by the MultiMaster
- Firmware Interface and the FlashPoint SCCB Manager.
- */
- typedef struct BusLogic_ScatterGatherSegment
- {
- BusLogic_ByteCount_T SegmentByteCount; /* Bytes 0-3 */
- BusLogic_BusAddress_T SegmentDataPointer; /* Bytes 4-7 */
- }
- BusLogic_ScatterGatherSegment_T;
- /*
- Define the Driver CCB Status Codes.
- */
- typedef enum
- {
- BusLogic_CCB_Free = 0,
- BusLogic_CCB_Active = 1,
- BusLogic_CCB_Completed = 2,
- BusLogic_CCB_Reset = 3
- }
- __attribute__ ((packed))
- BusLogic_CCB_Status_T;
- /*
- Define the 32 Bit Mode Command Control Block (CCB) structure. The first 40
- bytes are defined by and common to both the MultiMaster Firmware and the
- FlashPoint SCCB Manager. The next 60 bytes are defined by the FlashPoint
- SCCB Manager. The remaining components are defined by the Linux BusLogic
- Driver. Extended LUN Format CCBs differ from Legacy LUN Format 32 Bit Mode
- CCBs only in having the TagEnable and QueueTag fields moved from byte 17 to
- byte 1, and the Logical Unit field in byte 17 expanded to 6 bits. In theory,
- Extended LUN Format CCBs can support up to 64 Logical Units, but in practice
- many devices will respond improperly to Logical Units between 32 and 63, and
- the SCSI-2 specification defines Bit 5 as LUNTAR. Extended LUN Format CCBs
- are used by recent versions of the MultiMaster Firmware, as well as by the
- FlashPoint SCCB Manager; the FlashPoint SCCB Manager only supports 32 Logical
- Units. Since 64 Logical Units are unlikely to be needed in practice, and
- since they are problematic for the above reasons, and since limiting them to
- 5 bits simplifies the CCB structure definition, this driver only supports
- 32 Logical Units per Target Device.
- */
- typedef struct BusLogic_CCB
- {
- /*
- MultiMaster Firmware and FlashPoint SCCB Manager Common Portion.
- */
- BusLogic_CCB_Opcode_T Opcode; /* Byte 0 */
- unsigned char :3; /* Byte 1 Bits 0-2 */
- BusLogic_DataDirection_T DataDirection:2; /* Byte 1 Bits 3-4 */
- boolean TagEnable:1; /* Byte 1 Bit 5 */
- BusLogic_QueueTag_T QueueTag:2; /* Byte 1 Bits 6-7 */
- unsigned char CDB_Length; /* Byte 2 */
- unsigned char SenseDataLength; /* Byte 3 */
- BusLogic_ByteCount_T DataLength; /* Bytes 4-7 */
- BusLogic_BusAddress_T DataPointer; /* Bytes 8-11 */
- unsigned char :8; /* Byte 12 */
- unsigned char :8; /* Byte 13 */
- BusLogic_HostAdapterStatus_T HostAdapterStatus; /* Byte 14 */
- BusLogic_TargetDeviceStatus_T TargetDeviceStatus; /* Byte 15 */
- unsigned char TargetID; /* Byte 16 */
- unsigned char LogicalUnit:5; /* Byte 17 Bits 0-4 */
- boolean LegacyTagEnable:1; /* Byte 17 Bit 5 */
- BusLogic_QueueTag_T LegacyQueueTag:2; /* Byte 17 Bits 6-7 */
- SCSI_CDB_T CDB; /* Bytes 18-29 */
- unsigned char :8; /* Byte 30 */
- unsigned char :8; /* Byte 31 */
- unsigned int :32; /* Bytes 32-35 */
- BusLogic_BusAddress_T SenseDataPointer; /* Bytes 36-39 */
- /*
- FlashPoint SCCB Manager Defined Portion.
- */
- void (*CallbackFunction)(struct BusLogic_CCB *); /* Bytes 40-43 */
- BusLogic_Base_Address_T BaseAddress; /* Bytes 44-47 */
- BusLogic_CompletionCode_T CompletionCode; /* Byte 48 */
- #ifndef CONFIG_SCSI_OMIT_FLASHPOINT
- unsigned char :8; /* Byte 49 */
- unsigned short OS_Flags; /* Bytes 50-51 */
- unsigned char Private[48]; /* Bytes 52-99 */
- #endif
- /*
- BusLogic Linux Driver Defined Portion.
- */
- boolean AllocationGroupHead;
- BusLogic_CCB_Status_T Status;
- unsigned long SerialNumber;
- SCSI_Command_T *Command;
- struct BusLogic_HostAdapter *HostAdapter;
- struct BusLogic_CCB *Next;
- struct BusLogic_CCB *NextAll;
- BusLogic_ScatterGatherSegment_T
- ScatterGatherList[BusLogic_ScatterGatherLimit];
- }
- BusLogic_CCB_T;
- /*
- Define the 32 Bit Mode Outgoing Mailbox structure.
- */
- typedef struct BusLogic_OutgoingMailbox
- {
- BusLogic_BusAddress_T CCB; /* Bytes 0-3 */
- unsigned int :24; /* Bytes 4-6 */
- BusLogic_ActionCode_T ActionCode; /* Byte 7 */
- }
- BusLogic_OutgoingMailbox_T;
- /*
- Define the 32 Bit Mode Incoming Mailbox structure.
- */
- typedef struct BusLogic_IncomingMailbox
- {
- BusLogic_BusAddress_T CCB; /* Bytes 0-3 */
- BusLogic_HostAdapterStatus_T HostAdapterStatus; /* Byte 4 */
- BusLogic_TargetDeviceStatus_T TargetDeviceStatus; /* Byte 5 */
- unsigned char :8; /* Byte 6 */
- BusLogic_CompletionCode_T CompletionCode; /* Byte 7 */
- }
- BusLogic_IncomingMailbox_T;
- /*
- Define the BusLogic Driver Options structure.
- */
- typedef struct BusLogic_DriverOptions
- {
- unsigned short TaggedQueuingPermitted;
- unsigned short TaggedQueuingPermittedMask;
- unsigned short BusSettleTime;
- BusLogic_LocalOptions_T LocalOptions;
- unsigned char CommonQueueDepth;
- unsigned char QueueDepth[BusLogic_MaxTargetDevices];
- BusLogic_ErrorRecoveryStrategy_T
- ErrorRecoveryStrategy[BusLogic_MaxTargetDevices];
- }
- BusLogic_DriverOptions_T;
- /*
- Define the Host Adapter Target Flags structure.
- */
- typedef struct BusLogic_TargetFlags
- {
- boolean TargetExists:1;
- boolean TaggedQueuingSupported:1;
- boolean WideTransfersSupported:1;
- boolean TaggedQueuingActive:1;
- boolean WideTransfersActive:1;
- boolean CommandSuccessfulFlag:1;
- boolean TargetInfoReported:1;
- }
- BusLogic_TargetFlags_T;
- /*
- Define the Host Adapter Target Statistics structure.
- */
- #define BusLogic_SizeBuckets 10
- typedef unsigned int BusLogic_CommandSizeBuckets_T[BusLogic_SizeBuckets];
- typedef struct BusLogic_TargetStatistics
- {
- unsigned int CommandsAttempted;
- unsigned int CommandsCompleted;
- unsigned int ReadCommands;
- unsigned int WriteCommands;
- BusLogic_ByteCounter_T TotalBytesRead;
- BusLogic_ByteCounter_T TotalBytesWritten;
- BusLogic_CommandSizeBuckets_T ReadCommandSizeBuckets;
- BusLogic_CommandSizeBuckets_T WriteCommandSizeBuckets;
- unsigned short CommandAbortsRequested;
- unsigned short CommandAbortsAttempted;
- unsigned short CommandAbortsCompleted;
- unsigned short BusDeviceResetsRequested;
- unsigned short BusDeviceResetsAttempted;
- unsigned short BusDeviceResetsCompleted;
- unsigned short HostAdapterResetsRequested;
- unsigned short HostAdapterResetsAttempted;
- unsigned short HostAdapterResetsCompleted;
- }
- BusLogic_TargetStatistics_T;
- /*
- Define the FlashPoint Card Handle data type.
- */
- #define FlashPoint_BadCardHandle 0xFFFFFFFF
- typedef unsigned int FlashPoint_CardHandle_T;
- /*
- Define the FlashPoint Information structure. This structure is defined
- by the FlashPoint SCCB Manager.
- */
- typedef struct FlashPoint_Info
- {
- BusLogic_Base_Address_T BaseAddress; /* Bytes 0-3 */
- boolean Present; /* Byte 4 */
- unsigned char IRQ_Channel; /* Byte 5 */
- unsigned char SCSI_ID; /* Byte 6 */
- unsigned char SCSI_LUN; /* Byte 7 */
- unsigned short FirmwareRevision; /* Bytes 8-9 */
- unsigned short SynchronousPermitted; /* Bytes 10-11 */
- unsigned short FastPermitted; /* Bytes 12-13 */
- unsigned short UltraPermitted; /* Bytes 14-15 */
- unsigned short DisconnectPermitted; /* Bytes 16-17 */
- unsigned short WidePermitted; /* Bytes 18-19 */
- boolean ParityCheckingEnabled:1; /* Byte 20 Bit 0 */
- boolean HostWideSCSI:1; /* Byte 20 Bit 1 */
- boolean HostSoftReset:1; /* Byte 20 Bit 2 */
- boolean ExtendedTranslationEnabled:1; /* Byte 20 Bit 3 */
- boolean LowByteTerminated:1; /* Byte 20 Bit 4 */
- boolean HighByteTerminated:1; /* Byte 20 Bit 5 */
- boolean ReportDataUnderrun:1; /* Byte 20 Bit 6 */
- boolean SCAM_Enabled:1; /* Byte 20 Bit 7 */
- boolean SCAM_Level2:1; /* Byte 21 Bit 0 */
- unsigned char :7; /* Byte 21 Bits 1-7 */
- unsigned char Family; /* Byte 22 */
- unsigned char BusType; /* Byte 23 */
- unsigned char ModelNumber[3]; /* Bytes 24-26 */
- unsigned char RelativeCardNumber; /* Byte 27 */
- unsigned char Reserved[4]; /* Bytes 28-31 */
- unsigned int OS_Reserved; /* Bytes 32-35 */
- unsigned char TranslationInfo[4]; /* Bytes 36-39 */
- unsigned int Reserved2[5]; /* Bytes 40-59 */
- unsigned int SecondaryRange; /* Bytes 60-63 */
- }
- FlashPoint_Info_T;
- /*
- Define the BusLogic Driver Host Adapter structure.
- */
- typedef struct BusLogic_HostAdapter
- {
- SCSI_Host_T *SCSI_Host;
- BusLogic_HostAdapterType_T HostAdapterType;
- BusLogic_HostAdapterBusType_T HostAdapterBusType;
- BusLogic_IO_Address_T IO_Address;
- BusLogic_PCI_Address_T PCI_Address;
- unsigned short AddressCount;
- unsigned char HostNumber;
- unsigned char ModelName[9];
- unsigned char FirmwareVersion[6];
- unsigned char FullModelName[18];
- unsigned char Bus;
- unsigned char Device;
- unsigned char IRQ_Channel;
- unsigned char DMA_Channel;
- unsigned char SCSI_ID;
- boolean IRQ_ChannelAcquired:1;
- boolean DMA_ChannelAcquired:1;
- boolean ExtendedTranslationEnabled:1;
- boolean ParityCheckingEnabled:1;
- boolean BusResetEnabled:1;
- boolean LevelSensitiveInterrupt:1;
- boolean HostWideSCSI:1;
- boolean HostDifferentialSCSI:1;
- boolean HostSupportsSCAM:1;
- boolean HostUltraSCSI:1;
- boolean ExtendedLUNSupport:1;
- boolean TerminationInfoValid:1;
- boolean LowByteTerminated:1;
- boolean HighByteTerminated:1;
- boolean BounceBuffersRequired:1;
- boolean StrictRoundRobinModeSupport:1;
- boolean SCAM_Enabled:1;
- boolean SCAM_Level2:1;
- boolean HostAdapterInitialized:1;
- boolean HostAdapterExternalReset:1;
- boolean HostAdapterInternalError:1;
- boolean ProcessCompletedCCBsActive;
- volatile boolean HostAdapterCommandCompleted;
- unsigned short HostAdapterScatterGatherLimit;
- unsigned short DriverScatterGatherLimit;
- unsigned short MaxTargetDevices;
- unsigned short MaxLogicalUnits;
- unsigned short MailboxCount;
- unsigned short InitialCCBs;
- unsigned short IncrementalCCBs;
- unsigned short AllocatedCCBs;
- unsigned short DriverQueueDepth;
- unsigned short HostAdapterQueueDepth;
- unsigned short UntaggedQueueDepth;
- unsigned short CommonQueueDepth;
- unsigned short BusSettleTime;
- unsigned short SynchronousPermitted;
- unsigned short FastPermitted;
- unsigned short UltraPermitted;
- unsigned short WidePermitted;
- unsigned short DisconnectPermitted;
- unsigned short TaggedQueuingPermitted;
- unsigned short ExternalHostAdapterResets;
- unsigned short HostAdapterInternalErrors;
- unsigned short TargetDeviceCount;
- unsigned short MessageBufferLength;
- BusLogic_BusAddress_T BIOS_Address;
- BusLogic_DriverOptions_T *DriverOptions;
- FlashPoint_Info_T FlashPointInfo;
- FlashPoint_CardHandle_T CardHandle;
- struct BusLogic_HostAdapter *Next;
- BusLogic_CCB_T *All_CCBs;
- BusLogic_CCB_T *Free_CCBs;
- BusLogic_CCB_T *FirstCompletedCCB;
- BusLogic_CCB_T *LastCompletedCCB;
- BusLogic_CCB_T *BusDeviceResetPendingCCB[BusLogic_MaxTargetDevices];
- BusLogic_ErrorRecoveryStrategy_T
- ErrorRecoveryStrategy[BusLogic_MaxTargetDevices];
- BusLogic_TargetFlags_T TargetFlags[BusLogic_MaxTargetDevices];
- unsigned char QueueDepth[BusLogic_MaxTargetDevices];
- unsigned char SynchronousPeriod[BusLogic_MaxTargetDevices];
- unsigned char SynchronousOffset[BusLogic_MaxTargetDevices];
- unsigned char ActiveCommands[BusLogic_MaxTargetDevices];
- unsigned int CommandsSinceReset[BusLogic_MaxTargetDevices];
- unsigned long LastSequencePoint[BusLogic_MaxTargetDevices];
- unsigned long LastResetAttempted[BusLogic_MaxTargetDevices];
- unsigned long LastResetCompleted[BusLogic_MaxTargetDevices];
- BusLogic_OutgoingMailbox_T *FirstOutgoingMailbox;
- BusLogic_OutgoingMailbox_T *LastOutgoingMailbox;
- BusLogic_OutgoingMailbox_T *NextOutgoingMailbox;
- BusLogic_IncomingMailbox_T *FirstIncomingMailbox;
- BusLogic_IncomingMailbox_T *LastIncomingMailbox;
- BusLogic_IncomingMailbox_T *NextIncomingMailbox;
- BusLogic_TargetStatistics_T TargetStatistics[BusLogic_MaxTargetDevices];
- unsigned char MailboxSpace[BusLogic_MaxMailboxes
- * (sizeof(BusLogic_OutgoingMailbox_T)
- + sizeof(BusLogic_IncomingMailbox_T))];
- char MessageBuffer[BusLogic_MessageBufferSize];
- }
- BusLogic_HostAdapter_T;
- /*
- Define a structure for the BIOS Disk Parameters.
- */
- typedef struct BIOS_DiskParameters
- {
- int Heads;
- int Sectors;
- int Cylinders;
- }
- BIOS_DiskParameters_T;
- /*
- Define a structure for the SCSI Inquiry command results.
- */
- typedef struct SCSI_Inquiry
- {
- unsigned char PeripheralDeviceType:5; /* Byte 0 Bits 0-4 */
- unsigned char PeripheralQualifier:3; /* Byte 0 Bits 5-7 */
- unsigned char DeviceTypeModifier:7; /* Byte 1 Bits 0-6 */
- boolean RMB:1; /* Byte 1 Bit 7 */
- unsigned char ANSI_ApprovedVersion:3; /* Byte 2 Bits 0-2 */
- unsigned char ECMA_Version:3; /* Byte 2 Bits 3-5 */
- unsigned char ISO_Version:2; /* Byte 2 Bits 6-7 */
- unsigned char ResponseDataFormat:4; /* Byte 3 Bits 0-3 */
- unsigned char :2; /* Byte 3 Bits 4-5 */
- boolean TrmIOP:1; /* Byte 3 Bit 6 */
- boolean AENC:1; /* Byte 3 Bit 7 */
- unsigned char AdditionalLength; /* Byte 4 */
- unsigned char :8; /* Byte 5 */
- unsigned char :8; /* Byte 6 */
- boolean SftRe:1; /* Byte 7 Bit 0 */
- boolean CmdQue:1; /* Byte 7 Bit 1 */
- boolean :1; /* Byte 7 Bit 2 */
- boolean Linked:1; /* Byte 7 Bit 3 */
- boolean Sync:1; /* Byte 7 Bit 4 */
- boolean WBus16:1; /* Byte 7 Bit 5 */
- boolean WBus32:1; /* Byte 7 Bit 6 */
- boolean RelAdr:1; /* Byte 7 Bit 7 */
- unsigned char VendorIdentification[8]; /* Bytes 8-15 */
- unsigned char ProductIdentification[16]; /* Bytes 16-31 */
- unsigned char ProductRevisionLevel[4]; /* Bytes 32-35 */
- }
- SCSI_Inquiry_T;
- /*
- BusLogic_AcquireHostAdapterLock acquires exclusive access to Host Adapter.
- */
- static inline
- void BusLogic_AcquireHostAdapterLock(BusLogic_HostAdapter_T *HostAdapter,
- ProcessorFlags_T *ProcessorFlags)
- {
- }
- /*
- BusLogic_ReleaseHostAdapterLock releases exclusive access to Host Adapter.
- */
- static inline
- void BusLogic_ReleaseHostAdapterLock(BusLogic_HostAdapter_T *HostAdapter,
- ProcessorFlags_T *ProcessorFlags)
- {
- }
- /*
- BusLogic_AcquireHostAdapterLockIH acquires exclusive access to Host Adapter,
- but is only called from the interrupt handler.
- */
- static inline
- void BusLogic_AcquireHostAdapterLockIH(BusLogic_HostAdapter_T *HostAdapter,
- ProcessorFlags_T *ProcessorFlags)
- {
- spin_lock_irqsave(&io_request_lock, *ProcessorFlags);
- }
- /*
- BusLogic_ReleaseHostAdapterLockIH releases exclusive access to Host Adapter,
- but is only called from the interrupt handler.
- */
- static inline
- void BusLogic_ReleaseHostAdapterLockIH(BusLogic_HostAdapter_T *HostAdapter,
- ProcessorFlags_T *ProcessorFlags)
- {
- spin_unlock_irqrestore(&io_request_lock, *ProcessorFlags);
- }
- /*
- Define functions to provide an abstraction for reading and writing the
- Host Adapter I/O Registers.
- */
- static inline
- void BusLogic_SCSIBusReset(BusLogic_HostAdapter_T *HostAdapter)
- {
- BusLogic_ControlRegister_T ControlRegister;
- ControlRegister.All = 0;
- ControlRegister.Bits.SCSIBusReset = true;
- outb(ControlRegister.All,
- HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
- }
- static inline
- void BusLogic_InterruptReset(BusLogic_HostAdapter_T *HostAdapter)
- {
- BusLogic_ControlRegister_T ControlRegister;
- ControlRegister.All = 0;
- ControlRegister.Bits.InterruptReset = true;
- outb(ControlRegister.All,
- HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
- }
- static inline
- void BusLogic_SoftReset(BusLogic_HostAdapter_T *HostAdapter)
- {
- BusLogic_ControlRegister_T ControlRegister;
- ControlRegister.All = 0;
- ControlRegister.Bits.SoftReset = true;
- outb(ControlRegister.All,
- HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
- }
- static inline
- void BusLogic_HardReset(BusLogic_HostAdapter_T *HostAdapter)
- {
- BusLogic_ControlRegister_T ControlRegister;
- ControlRegister.All = 0;
- ControlRegister.Bits.HardReset = true;
- outb(ControlRegister.All,
- HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
- }
- static inline
- unsigned char BusLogic_ReadStatusRegister(BusLogic_HostAdapter_T *HostAdapter)
- {
- return inb(HostAdapter->IO_Address + BusLogic_StatusRegisterOffset);
- }
- static inline
- void BusLogic_WriteCommandParameterRegister(BusLogic_HostAdapter_T
- *HostAdapter,
- unsigned char Value)
- {
- outb(Value,
- HostAdapter->IO_Address + BusLogic_CommandParameterRegisterOffset);
- }
- static inline
- unsigned char BusLogic_ReadDataInRegister(BusLogic_HostAdapter_T *HostAdapter)
- {
- return inb(HostAdapter->IO_Address + BusLogic_DataInRegisterOffset);
- }
- static inline
- unsigned char BusLogic_ReadInterruptRegister(BusLogic_HostAdapter_T
- *HostAdapter)
- {
- return inb(HostAdapter->IO_Address + BusLogic_InterruptRegisterOffset);
- }
- static inline
- unsigned char BusLogic_ReadGeometryRegister(BusLogic_HostAdapter_T
- *HostAdapter)
- {
- return inb(HostAdapter->IO_Address + BusLogic_GeometryRegisterOffset);
- }
- /*
- BusLogic_StartMailboxCommand issues an Execute Mailbox Command, which
- notifies the Host Adapter that an entry has been made in an Outgoing
- Mailbox.
- */
- static inline
- void BusLogic_StartMailboxCommand(BusLogic_HostAdapter_T *HostAdapter)
- {
- BusLogic_WriteCommandParameterRegister(HostAdapter,
- BusLogic_ExecuteMailboxCommand);
- }
- /*
- BusLogic_Delay waits for Seconds to elapse.
- */
- static inline void BusLogic_Delay(int Seconds)
- {
- int Milliseconds = 1000 * Seconds;
- unsigned long ProcessorFlags;
- save_flags(ProcessorFlags);
- sti();
- while (--Milliseconds >= 0) udelay(1000);
- restore_flags(ProcessorFlags);
- }
- /*
- Virtual_to_Bus and Bus_to_Virtual map between Kernel Virtual Addresses
- and PCI/VLB/EISA/ISA Bus Addresses.
- */
- static inline BusLogic_BusAddress_T Virtual_to_Bus(void *VirtualAddress)
- {
- return (BusLogic_BusAddress_T) virt_to_bus(VirtualAddress);
- }
- static inline void *Bus_to_Virtual(BusLogic_BusAddress_T BusAddress)
- {
- return (void *) bus_to_virt(BusAddress);
- }
- /*
- Virtual_to_32Bit_Virtual maps between Kernel Virtual Addresses and
- 32 bit Kernel Virtual Addresses. This avoids compilation warnings
- on 64 bit architectures.
- */
- static inline
- BusLogic_BusAddress_T Virtual_to_32Bit_Virtual(void *VirtualAddress)
- {
- return (BusLogic_BusAddress_T) (unsigned long) VirtualAddress;
- }
- /*
- BusLogic_IncrementErrorCounter increments Error Counter by 1, stopping at
- 65535 rather than wrapping around to 0.
- */
- static inline void BusLogic_IncrementErrorCounter(unsigned short *ErrorCounter)
- {
- if (*ErrorCounter < 65535) (*ErrorCounter)++;
- }
- /*
- BusLogic_IncrementByteCounter increments Byte Counter by Amount.
- */
- static inline void BusLogic_IncrementByteCounter(BusLogic_ByteCounter_T
- *ByteCounter,
- unsigned int Amount)
- {
- ByteCounter->Units += Amount;
- if (ByteCounter->Units > 999999999)
- {
- ByteCounter->Units -= 1000000000;
- ByteCounter->Billions++;
- }
- }
- /*
- BusLogic_IncrementSizeBucket increments the Bucket for Amount.
- */
- static inline void BusLogic_IncrementSizeBucket(BusLogic_CommandSizeBuckets_T
- CommandSizeBuckets,
- unsigned int Amount)
- {
- int Index = 0;
- if (Amount < 8*1024)
- {
- if (Amount < 2*1024)
- Index = (Amount < 1*1024 ? 0 : 1);
- else Index = (Amount < 4*1024 ? 2 : 3);
- }
- else if (Amount < 128*1024)
- {
- if (Amount < 32*1024)
- Index = (Amount < 16*1024 ? 4 : 5);
- else Index = (Amount < 64*1024 ? 6 : 7);
- }
- else Index = (Amount < 256*1024 ? 8 : 9);
- CommandSizeBuckets[Index]++;
- }
- /*
- Define the version number of the FlashPoint Firmware (SCCB Manager).
- */
- #define FlashPoint_FirmwareVersion "5.02"
- /*
- Define the possible return values from FlashPoint_HandleInterrupt.
- */
- #define FlashPoint_NormalInterrupt 0x00
- #define FlashPoint_InternalError 0xFE
- #define FlashPoint_ExternalBusReset 0xFF
- /*
- Define prototypes for the forward referenced BusLogic Driver
- Internal Functions.
- */
- static void BusLogic_QueueCompletedCCB(BusLogic_CCB_T *);
- static void BusLogic_InterruptHandler(int, void *, Registers_T *);
- static int BusLogic_ResetHostAdapter(BusLogic_HostAdapter_T *,
- SCSI_Command_T *, unsigned int);
- static void BusLogic_Message(BusLogic_MessageLevel_T, char *,
- BusLogic_HostAdapter_T *, ...);
- /*
- Declare the Initialization Functions.
- */
- static void BusLogic_AnnounceDriver(BusLogic_HostAdapter_T *) __init;
- static void BusLogic_RegisterHostAdapter(BusLogic_HostAdapter_T *) __init;
- static void BusLogic_UnregisterHostAdapter(BusLogic_HostAdapter_T *) __init;
- static boolean BusLogic_CreateInitialCCBs(BusLogic_HostAdapter_T *) __init;
- static void BusLogic_DestroyCCBs(BusLogic_HostAdapter_T *) __init;
- static void BusLogic_AppendProbeAddressISA(BusLogic_IO_Address_T) __init;
- static void
- BusLogic_InitializeProbeInfoListISA(BusLogic_HostAdapter_T *) __init;
- static void BusLogic_SortProbeInfo(BusLogic_ProbeInfo_T *, int) __init;
- static int
- BusLogic_InitializeMultiMasterProbeInfo(BusLogic_HostAdapter_T *) __init;
- static int
- BusLogic_InitializeFlashPointProbeInfo(BusLogic_HostAdapter_T *) __init;
- static void BusLogic_InitializeProbeInfoList(BusLogic_HostAdapter_T *) __init;
- static boolean BusLogic_Failure(BusLogic_HostAdapter_T *, char *) __init;
- static boolean BusLogic_ProbeHostAdapter(BusLogic_HostAdapter_T *) __init;
- static boolean BusLogic_CheckHostAdapter(BusLogic_HostAdapter_T *) __init;
- static boolean
- BusLogic_ReadHostAdapterConfiguration(BusLogic_HostAdapter_T *) __init;
- static boolean
- BusLogic_ReportHostAdapterConfiguration(BusLogic_HostAdapter_T *) __init;
- static boolean BusLogic_AcquireResources(BusLogic_HostAdapter_T *) __init;
- static void BusLogic_ReleaseResources(BusLogic_HostAdapter_T *) __init;
- static boolean BusLogic_TargetDeviceInquiry(BusLogic_HostAdapter_T *) __init;
- static void BusLogic_InitializeHostStructure(BusLogic_HostAdapter_T *,
- SCSI_Host_T *) __init;
- int BusLogic_DetectHostAdapter(SCSI_Host_Template_T *) __init;
- int BusLogic_ReleaseHostAdapter(SCSI_Host_T *) __init;
- static boolean BusLogic_ParseKeyword(char **, char *) __init;
- static int BusLogic_ParseDriverOptions(char *) __init;
- static int BusLogic_Setup(char *) __init;
- #endif /* BusLogic_DriverVersion */