Motorola MVME197DP Manuel d'utilisateur

Single Board ComputersSCSI Software User’s Manual (SBCSCSI/D1)

Add a Second Data Buffer to the t167 Configuration E-20Issue an INQIRY Command E-22Issue a Format Command E-23Issue Reads and Writes to a Disk Device

splxSBCSCSI/D1 C-3CsplxNAMEsplx ÑRestore Interrupt Priority Level SYNOPSISUINT splx(level) UINT level; /* previous Interrupt Priority Le

External RoutinesC-4 Single Board Computers SCSI Software UserÕs ManualCret_statNAMEret_stat ÑNotify User of Command Completion SYNOPSISvoid ret_stat(

(de)serialize_memory_accessSBCSCSI/D1 C-5C(de)serialize_memory_accessNAMEserialize_memory_access Ñ Enforce serialized access to I/O memorydeserialize_

External RoutinesC-6 Single Board Computers SCSI Software UserÕs ManualCRETURN VALUEnoneERROR CONDITIONSnoneNOTESNo calls may be made to the SCSI Firm

SBCSCSI/D1D-1DRETURNED ERRORSStatus FieldCommand status returned in the status field of siop_struc is subdivided into the following structure as extra

Returned ErrorsD-2 Single Board Computers SCSI Software UserÕs ManualDSS_CM_GOOD (0x04)This is the SCSI status of CONDITION MET. This status is retur

status_key Error CodesSBCSCSI/D1 D-3DSS_RSVCON (0x18)This is the SCSI status of RESERVATION CONFLICT. This status is returned whenever an initiator a

Returned ErrorsD-4 Single Board Computers SCSI Software UserÕs ManualDsiop_key Error CodesFor the field siop_key, the following error codes are listed

siop_key Error CodesSBCSCSI/D1 D-5DSI_ABRTTAG (0x05)This status is returned only for target mode commands outstanding to the Firmware. It indicates t

Returned ErrorsD-6 Single Board Computers SCSI Software UserÕs ManualDSI_CLK2FAST (0x09)This error is returned during Firmware initialization. The in

List of Figures Firmware/User Interaction Block Diagram 2-3Debug Trace Memory Structure 5-3Directory Structure: bin , src , and lib Files A-2Dir

siop_key Error CodesSBCSCSI/D1 D-7DSI_BERRCMD (0x0F)This status if returned if a bus error occurs when the SIOP is attempting to access the local bus

Returned ErrorsD-8 Single Board Computers SCSI Software UserÕs ManualDSI_UPC (0x12)This error is returned when the Firmware detected an unexpected pha

siop_key Error CodesSBCSCSI/D1 D-9DSI_PVE04 (0x17)This protocol violation error is returned when a physically threaded target device does not transiti

Returned ErrorsD-10 Single Board Computers SCSI Software UserÕs ManualDSI_BADPATCH (0x1E)This error is returned during Firmware initialization. The S

SBCSCSI/D1E-1Et167 TEST PROGRAMIntroductionThis appendix describes t167, a test program that can be used with the SBC SCSI Software. The test program

t167 Test ProgramE-2 Single Board Computers SCSI Software UserÕs ManualE Figure E-1. t167 Submenus and FunctionsSDLDEVELOPMENTTOOLS MENU(2) sdldtSDL

Menu Item DescriptionsSBCSCSI/D1 E-3EMenu Item DescriptionsMain Menut167 contains five major menu items which can be selected. In addition to these,

t167 Test ProgramE-4 Single Board Computers SCSI Software UserÕs ManualESCSI Driver Library Development ToolsThis submenu provides access to a number

Menu Item DescriptionsSBCSCSI/D1 E-5EAllocate New Control Structure SetSeveral structures are used to pass parameters to the SDL and SIOP Firmware. O

t167 Test ProgramE-6 Single Board Computers SCSI Software UserÕs ManualESDL and NCR Firmware AddressesThe entry points into the SDL and SIOP Firmware

xiii List of Tables C Call Interface 3-168K Assembler Interface 3-288K Assembler Interface 3-2Firmware Display Frame Map 5-10Firmware Display Data Ma

Menu Item DescriptionsSBCSCSI/D1 E-7ESCSI Driver Library Development Tools MenuThis submenu provides access to a number of functions which are useful

t167 Test ProgramE-8 Single Board Computers SCSI Software UserÕs ManualEThe display commands can produce large amounts of output data. Listing contro

Menu Item DescriptionsSBCSCSI/D1 E-9EIssue sdl_write CommandThe SDL is entered through the sdl_write entry point. Unless specified on the command lin

t167 Test ProgramE-10 Single Board Computers SCSI Software UserÕs ManualEDisplay Data Buffer ContentsThe contents of the data buffer pointed to by the

Menu Item DescriptionsSBCSCSI/D1 E-11ENOTE: Command may be issued prior to the first attach. Table E-1. SDL Direct Access Commandscmd hex code arg

t167 Test ProgramE-12 Single Board Computers SCSI Software UserÕs ManualENOTE: Command may be issued prior to the first attach. Table E-2. SDL Supp

Menu Item DescriptionsSBCSCSI/D1 E-13ENCR Firmware Development Tools MenuThis submenu provides access to a number of functions which are useful when w

t167 Test ProgramE-14 Single Board Computers SCSI Software UserÕs ManualEThe display commands can produce large amounts of output data. Listing contr

Menu Item DescriptionsSBCSCSI/D1 E-15EData buffer contents display example:offset is number of bytes from beginning of buffer at which buffer display

t167 Test ProgramE-16 Single Board Computers SCSI Software UserÕs ManualEMenu ExpansionNew menus are added by creating a uniquely-named menu structure

xiv

Adding SDL Tools Support for New DevicesSBCSCSI/D1 E-17E 3. Edit "file.c", altering all parameters required to support the new device as req

t167 Test ProgramE-18 Single Board Computers SCSI Software UserÕs ManualEExample Use of t167This section describes the typical use of t167. Once it i

Example Use of t167SBCSCSI/D1 E-19E2. The user MUST select menu item 2 (sdlinit) prior to issuing any other commands to the SDL. Answer with a <CR

t167 Test ProgramE-20 Single Board Computers SCSI Software UserÕs ManualESDL Tools --> 5Control structure [0] (0):sdl_cntrl status: 0x0SDL Tools --

Example Use of t167SBCSCSI/D1 E-21E3. At the t167 conÞguration menu, select item 2, to create a new data buffer. t167 Configuration Item Name

t167 Test ProgramE-22 Single Board Computers SCSI Software UserÕs ManualEIssue an INQIRY Command1. To issue an SDL INQIRY command to the device, build

Example Use of t167SBCSCSI/D1 E-23E3. Select menu item 7 to display the data buffer holding the INQIRY data: SCSI Driver Library Development Tools Ite

t167 Test ProgramE-24 Single Board Computers SCSI Software UserÕs ManualE1. Select menu item 1 to set up the command structure for a format command.

Example Use of t167SBCSCSI/D1 E-25E1. Use the q command to go from the current menu to the main t167 menu and select menu item 1, t167 cnfg. 2. In th

t167 Test ProgramE-26 Single Board Computers SCSI Software UserÕs ManualE4. Issue the go (G) command to the MVME167/187 ROM Debugger and hit an h to r

SBCSCSI/D1 1-1 1 INTRODUCTION General Information This chapter explains what SCSI is and what the SBC SCSI Software does to support SCSI-related hard

Example Use of t167SBCSCSI/D1 E-27E7. Press the ABORT switch on the front panel and use the MVME167/187 ROM Debugger block Þll (BF) command to re-writ

t167 Test ProgramE-28 Single Board Computers SCSI Software UserÕs ManualEUse of t167 with the NCR FirmwareUse of t167 with the NCR Firmware is describ

Example Use of t167SBCSCSI/D1 E-29ESend SCSI INQUIRY to the DeviceBuilding commands at the Firmware interface level requires the construction of an si

t167 Test ProgramE-30 Single Board Computers SCSI Software UserÕs ManualE UCHAR msg_out[6] ... (0): UCHAR msg_out[7] ...

Example Use of t167SBCSCSI/D1 E-31E3. Send the command to the Firmware by selecting menu item 3. F/W Tools --> 3Control structure [0] (0):siop_cmd

t167 Test ProgramE-32 Single Board Computers SCSI Software UserÕs ManualE Mode Sense ParametersThis exercise shows how to get the current device'

Example Use of t167SBCSCSI/D1 E-33E2. Select menu item 6 to display the command structure. F/W Tools --> 5Control structure [0] (0):Address of sio

t167 Test ProgramE-34 Single Board Computers SCSI Software UserÕs ManualEIssue a Read Command to the Device1. Hit the ABORT switch on the front panel

Example Use of t167SBCSCSI/D1 E-35E3. Build the command structure for a 10-byte read. F/W Tools --> 1Control structure [0] (0): UINT user_define

t167 Test ProgramE-36 Single Board Computers SCSI Software UserÕs ManualE4. Select menu item 5 to display the command structure. F/W Tools --> 5Co

Introduction 1-2 Single Board Computers SCSI Software UserÕs Manual1 Conventions The conventions used in this document are: bold for user input that

SBCSCSI/D1GL-1Term DefinitionCDB (NOTE) Command Descriptor Block - A defined SCSI structure used to communicate commands from an initiator to a target

GlossaryGL-2 Single Board Computers SCSI Software UserÕs ManualGLOSSARYTermDefinitionSCSI (NOTE) Small Computer System Interface - An ANSI-defined int

IN-3IndexSymbols(de)serialize_memory_access C-5Numerics53C710 1-4, 2-1Aadd a second data buffer to the t167 con-figuration E-20adding SDL tools suppor

IndexIN-4INDEXfirmware display 5-11data pointer or scatter/gather list pointerB-14data reference relocation 4-1debug initializationC 3-8debug loggingc

IN-5INDEXGgeneral description of the SCSI software1-4general information 1-1glossary GL-1Hhelp E-4IIDOV 5-12INIT 5-12initializationC debug 3-8initiali

IndexIN-6INDEXMPU code 1-4MREJ 5-13MVME167Bug 1-3MVME187Bug 1-3Nn710c68k 4-7n710c80k 4-7n710p68k 4-4n710p80k 4-4NCR 53C710 1-4, 2-1NCR build tools 4-1

IN-7INDEXSCSI SCRIPTS data reference relocation4-1SCSI softwaregeneral description 1-4SCSI status GL-2SCSI-2 1-4, GL-2SCSIRST (command control bit 8)

IndexIN-8INDEXSS_I_GOOD (0x10) D-2SS_QFULL (0x28) D-3SS_RSVCON (0x18) D-3status B-15, E-4status field D-1status return function pointer B-14status_key

Related Documentation SBCSCSI/D1 1-31 Related Documentation The publications are applicable to the SBCs and may provide additional help- ful informat

Introduction 1-4 Single Board Computers SCSI Software UserÕs Manual1 The following publications are available from the sources indicated. ANSI Small

General Description of the SCSI Software SBCSCSI/D1 1-51 SIOP Firmware The SIOP Firmware provides these unique features and facilities: ❏ Handles al

Introduction 1-6 Single Board Computers SCSI Software UserÕs Manual1

Notice While reasonable efforts have been made to assure the accuracy of this document, Motorola, Inc. assumes no liability resulting from any omissi

SBCSCSI/D1 2-1 2 OVERVIEW Introduction The following chapter is an introduction to the workings of the SIOP Firmware which is used to control the SCS

Overview 2-2 Single Board Computers SCSI Software UserÕs Manual2 Firmware Interface The SIOP Firmware has several externally accessible routines, or

Division of Functional Responsibilities SBCSCSI/D1 2-32 Division of Functional Responsibilities The Firmware and the user have definite and separate

Overview 2-4 Single Board Computers SCSI Software UserÕs Manual2 Primary Functions of the Firmware The Firmware is designed to manage the SCSI bus p

Division of Functional ResponsibilitiesSBCSCSI/D1 2-52❏ Error Recovery The Firmware supports only minimal error recovery. When an error condition is

Overview2-6 Single Board Computers SCSI Software UserÕs Manual2Functional OverviewThe following sections describe the functional attributes of the Fir

Functional OverviewSBCSCSI/D1 2-72The first interrupt is generated by the SCRIPTS to notify the MPU code that the SIOP is not busy with any SCSI bus a

Overview2-8 Single Board Computers SCSI Software UserÕs Manual2After the command request completes, the MPU code updates some fields in the command st

Functional OverviewSBCSCSI/D1 2-92SCSI Gross ErrorThis interrupt is generated when the SIOP detects an illegal condition in the SIOP bus control logic

Overview2-10 Single Board Computers SCSI Software UserÕs Manual2Single Step This interrupt is generated only in a special diagnostic mode enabled by r

Preface The Single Board Computers SCSI Software UserÕs Manual describes the SCSI Software, a building block for SCSI services. It is intended for de

Functional OverviewSBCSCSI/D1 2-112Linked CMD CompleteA linked command complete INT instruction interrupt is generated. This holds the bus in the MSG

Overview2-12 Single Board Computers SCSI Software UserÕs Manual2

SBCSCSI/D13-13FIRMWARE INTERFACEIntroductionThis chapter defines the interface to the SIOP Firmware. The entry points, input parameters, and return p

Firmware Interface3-2 Single Board Computers SCSI Software UserÕs Manual3Table 3-2. 68K Assembler InterfaceName Input RegistersOutput Registerssiop_i

siop_init()SBCSCSI/D1 3-33siop_init()NAMEsiop_init ÑInitialize the SIOP Firmware SYNOPSIS#include "scsi.h" /* SCSI specific definitions */ #

Firmware Interface3-4 Single Board Computers SCSI Software UserÕs Manual3ERROR CONDITIONSA successful call to siop_init() must be executed before any

siop_init()SBCSCSI/D1 3-53NOTES❏ The Firmware needs to be initialized only once but may be initialized many times as long as there are no outstanding

Firmware Interface3-6 Single Board Computers SCSI Software UserÕs Manual3siop_cmd()NAMEsiop_cmd ÑSIOP Firmware command call SYNOPSIS#include "scs

siop_int()SBCSCSI/D1 3-73siop_int()NAMEsiop_int ÑSIOP interrupt handler SYNOPSIS#include "scsi.h" /* SCSI specific definitions */ #include &

Firmware Interface3-8 Single Board Computers SCSI Software UserÕs Manual3sdt_tinit()NAMEsdt_tinit ÑInitialize the SCSI debug trace log SYNOPSIS#includ

Motorola ¨ and the Motorola symbol are registered trademarks of Motorola, Inc.SYSTEM V/68, SYSTEM V/88, VERSAdos, and VMEexec are trademarks of Moto

sdt_tinit()SBCSCSI/D1 3-93Each time the user changes the location of the siopdata structure (changes the value of siopdatap) for a call to siop_init()

Firmware Interface3-10 Single Board Computers SCSI Software UserÕs Manual3sdt_alloc()NAMEsdt_alloc ÑAllocate a SCSI debug trace entry SYNOPSIS#include

sfw_getrev()SBCSCSI/D1 3-113sfw_getrev()NAMEsfw_getrev Ñ Return Firmware Revision StringSYNOPSIS#include "scsi.h" /* SCSI specific definitio

Firmware Interface3-12 Single Board Computers SCSI Software UserÕs Manual3NOTESA max_size of 32 bytes should be adequate for all available data. If yo

SBCSCSI/D14-14NCR BUILD TOOLSIntroductionThe NCR build tools are a set of utilities provided to compile NCR SCSI SCRIPTS source modules. The utilitie

NCR Build Tools4-2 Single Board Computers SCSI Software UserÕs Manual4Example Usage of the NCR Build UtilitiesWhat follows is an extract from a Makefi

Example Usage of the NCR Build UtilitiesSBCSCSI/D1 4-34Note With the following explanations, refer to the numberedcolumns to the left of the Ò.n.oÓ ma

NCR Build Tools4-4 Single Board Computers SCSI Software UserÕs Manual4n710p68k (n710p80k)NAMEn710p68k (n710p80k) ÑPreprocessor for NCR SCSI SCRIPTS fi

n710p68k (n710p80k)SBCSCSI/D1 4-54The script_ptr[] array contains pointers to the starting location of each SCRIPTS declared with a PROC n710c68k (n71

NCR Build Tools4-6 Single Board Computers SCSI Software UserÕs Manual4All SCRIPTS instructions must be contained within a single source module. The i

Contents General Information 1-1Organization of This Manual 1-1Conventions 1-2Related Documentation 1-3DeÞnition of SCSI 1-4General Description of th

n710c68k (n710c80k)SBCSCSI/D1 4-74n710c68k (n710c80k)NAMEn710c68k (n710c80k) ÑCompiler for NCR SCSI SCRIPTS files SYNOPSISn710c68k file [options] [out

NCR Build Tools4-8 Single Board Computers SCSI Software UserÕs Manual4-o outfile This option determines if a C-compilable data file is generated and i

SBCSCSI/D15-15SPECIAL TOPICSIntroductionThis chapter covers topics which most users will not use in the normal course of SCSI operation. It is provid

Special Topics5-2 Single Board Computers SCSI Software UserÕs Manual5After logging is enabled, a user calls sdt_alloc() to get a pointer to the next e

Firmware Debug LoggingSBCSCSI/D1 5-35Figure 5-1. Debug Trace Memory Structure sdt_tvalue.end -> High MemoryFirst Log Entry |

Special Topics5-4 Single Board Computers SCSI Software UserÕs Manual5ExampleThis section shows, through example, how to enable debug logging, how to r

Firmware Debug LoggingSBCSCSI/D1 5-554. Clear the debug trace memory area using the BF command. 167-Bug>bf 400000 800000 0 Effective address: 0040

Special Topics5-6 Single Board Computers SCSI Software UserÕs Manual5The following procedure was adhered to in the above code. 1. If the global value

Firmware Debug LoggingSBCSCSI/D1 5-75have been extra bytes in which a trace entry would not fit. sdt_alloc() uses this field to determine the bounds

Special Topics5-8 Single Board Computers SCSI Software UserÕs Manual5167-Bug> 007FD1A0 4E43 5220 5245 534C 8100 0000 0000 0000 NCR RESL...

Debug Trace Memory Structure 5-2Example 5-4User Level Setup 5-4Code Level Setup 5-5Debug Trace Display 5-6Firmware Debug Log Map 5-9Firmware Debug Lo

Firmware Debug LoggingSBCSCSI/D1 5-95Firmware Debug Log MapThe following section explains the fields within a Firmware trace entry. The generic trace

Special Topics5-10 Single Board Computers SCSI Software UserÕs Manual5The mapping table below shows the relative placement of all structures and struc

Firmware Debug LoggingSBCSCSI/D1 5-115The mapping table below shows which fields are valid for the given Firmware debug logging entry point. The entr

Special Topics5-12 Single Board Computers SCSI Software UserÕs Manual5DISCstructures logged- ncr_siop, siop_cns, siop_struc description- The SCRIPTS r

Firmware Debug LoggingSBCSCSI/D1 5-135LCMPstructures logged- ncr_siop, siop_cns, siop_struc description- The SCRIPTS received a linked command complet

Special Topics5-14 Single Board Computers SCSI Software UserÕs Manual5RESLstructures logged- ncr_siop, siop_cns, siop_struc description- A valid resel

Use of the Firmware After Use by the SBC ROM DebuggerSBCSCSI/D1 5-155XMSGstructures logged- ncr_siop, siop_cns, siop_struc description- The SCRIPTS re

Special Topics5-16 Single Board Computers SCSI Software UserÕs Manual5Cache CoherencyThe user is responsible for making sure all of the memory used by

Target ModeSBCSCSI/D1 5-175Target Mode(THIS INFORMATION WILL BE AVAILABLE ONLY IN A FUTURE RELEASE.)

Special Topics5-18 Single Board Computers SCSI Software UserÕs Manual5

Bit 16 -- DEVRST B-5Bit 15 -- MIBUF B-6Bit 14 -- MOBUF B-6Bit 13 -- NO_ATN B-6Bit 10 -- SIOPADD B-7Bit 9 -- SIOPINT B-7Bit 8 -- SCSIRST B-7Bit 7 -- T

SBCSCSI/D1A-1ADIRECTORY STRUCTUREMiscellaneous files used for the SCSI Software for the compiler and preprocessor binaries are mentioned in Chapter 4.

Directory StructureA-2 Single Board Computers SCSI Software UserÕs ManualAFigure A-1. Directory Structure: bin, src, and lib FilesFigure A-2. Direc

SBCSCSI/D1 A-3AFigure A-3. Directory Structure: sdl Files (sheet 1 of 2)devices/archive.ccontinued onnext sheetsbc_scsi/1181 9308sdl/ (NOTE)ccsdev.c

Directory StructureA-4 Single Board Computers SCSI Software UserÕs ManualAFigure A-3. Directory Structure: sdl Files (sheet 2 of 2)dadatch.ccontinue

SBCSCSI/D1B-1BSIOP FIRMWARESTRUCTURESIntroductionThis appendix lists all of the structures which are external to or defined by the SIOP Firmware and w

SIOP Firmware StructuresB-2 Single Board Computers SCSI Software UserÕs ManualB Table B-1. Command StructureByte Offset (hex) Parameter00 User ID04 C

siop_struc (Command Structure)SBCSCSI/D1 B-3BUser IDThe user ID field is for user command logging. This field is not examined by the Firmware nor is

SIOP Firmware StructuresB-4 Single Board Computers SCSI Software UserÕs ManualBBit 30 -- TARGETIf the INTATR bit is not set and the TARGET bit is set

siop_struc (Command Structure)SBCSCSI/D1 B-5BAnother use of this bit is when sending a request sense command in response to a CHECK status received fo

SIOP Firmware StructuresB-6 Single Board Computers SCSI Software UserÕs ManualBBit 15 -- MIBUFinitiator mode If set, defines the message-in buffer poi

splhi C-2splx C-3ret_stat C-4(de)serialize_memory_access C-5Status Field D-1status_key Error Codes D-1SS_GOOD (0x00) D-1SS_CHECK (0x02) D-1SS_CM_GOOD

siop_struc (Command Structure)SBCSCSI/D1 B-7BBit 10 -- SIOPADDconfig mode If set, the Firmware sets the SCSI address at which the SIOP resides. The u

SIOP Firmware StructuresB-8 Single Board Computers SCSI Software UserÕs ManualBBit 6 -- LINKinitiator modeIf set, command in the CDB has the link bit

siop_struc (Command Structure)SBCSCSI/D1 B-9BBit 0 -- SYNCinitiator modeIf set, the Firmware initiates negotiations for synchronous data transfers. T

SIOP Firmware StructuresB-10 Single Board Computers SCSI Software UserÕs ManualBDevice Address or SIOP Interrupt Levelinitiator modeThe user initializ

siop_struc (Command Structure)SBCSCSI/D1 B-11BCDB Length or Queue Depthinitiator modeThe CDB length field contains the length of the CDB, in bytes, th

SIOP Firmware StructuresB-12 Single Board Computers SCSI Software UserÕs ManualBMessage-In Buffer PointerThis field may be modified by the Firmware.

siop_struc (Command Structure)SBCSCSI/D1 B-13BMessage-Out Buffer PointerThis field may be modified by the Firmware. initiator mode If the MOBUF bit i

SIOP Firmware StructuresB-14 Single Board Computers SCSI Software UserÕs ManualBData Pointer or Scatter/Gather List PointerThis field may be modified

siop_struc (Command Structure)SBCSCSI/D1 B-15BStatusinitiator modeThe status field contains status concerning the target device, Firmware, and SCSI bu

SIOP Firmware StructuresB-16 Single Board Computers SCSI Software UserÕs ManualBWork Areainitiator modeThe work area fields are used by the Firmware t

Overview E-1Menu Item Descriptions E-3Main Menu E-3t167 Configuration E-3SCSI Driver Library Development Tools E-4NCR Firmware Development Tools E-4S

Scatter/Gather ListSBCSCSI/D1 B-17BScatter/Gather ListThe scatter/gather list is initialized by the user and allocated to the Firmware with the comman

SIOP Firmware StructuresB-18 Single Board Computers SCSI Software UserÕs ManualBsiop_init (Firmware Initialization Structure)This is the data structur

siop_init (Firmware Initialization Structure)SBCSCSI/D1 B-19BThe following table lists the SCLK rate on Motorola VMEmodules: snoopmodeThe SIOP has sno

SIOP Firmware StructuresB-20 Single Board Computers SCSI Software UserÕs ManualBscript_ptrThe user initializes this field to the globally defined valu

Initialization Structure (depreciated version)SBCSCSI/D1 B-21BInitialization Structure (depreciated version)The INITPARS structure is archaic. It is

SIOP Firmware StructuresB-22 Single Board Computers SCSI Software UserÕs ManualBPointer to Script Pointer ArraySame definition as in the INIT_TYPE_1 s

sdt_tinit (Debug Logging Initialization Structure)SBCSCSI/D1 B-23Bsdt_tinit (Debug Logging Initialization Structure)Some of the initialization values

SIOP Firmware StructuresB-24 Single Board Computers SCSI Software UserÕs ManualB

SBCSCSI/D1C-1CEXTERNAL ROUTINESIntroductionThe SCSI Software requires services to be provided external to the SCSI Software itself. These services mu

External RoutinesC-2 Single Board Computers SCSI Software UserÕs ManualCsplhiNAMEsplhi ÑMask interrupts SYNOPSISUINT splhi() DESCRIPTIONThe splhi rout