BSP Developer's Guide

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VxWorks 5.5 <strong>BSP</strong> Developer’s <strong>Guide</strong> xxxWideXferParamsQuery( ) This routine updates the wide data transfer parameters in the call to match those of the SCSI controller. xxxWideXferParamsSet( ) This routine sets the wide data transfer parameters on the SCSI controller. The advanced controller driver also uses many of the facilities provided by the SCSI libraries. All the routines invoked by the SCSI controller library can also be invoked by the driver. Examining the SCSI controller library and the header file scsi2Lib.h shows all the routines available for the controller driver. The following list is a typical but not exhaustive list of routines that can be invoked by the driver: scsiCtrlInit( ) This routine initializes the SCSI library data structures. It is called only once per SCSI controller. scsiMgrEventNotify( ) This routine notifies the SCSI manager of an event that occurred on the SCSI bus. scsiWideXferNegotiate( ) This routine initiates or continues wide data transfer negotiation. See the relevant reference entries and scsi2Lib.h for more details. It is typically invoked from the xxxThreadActivate( ) routine. scsiSyncXferNegotiate( ) This routine initiates or continues synchronous data transfer negotiations. See the relevant reference entries and scsi2Lib.h for more details. It is typically invoked from the xxxThreadActivate( ) routine. scsiMgrCtrlEvent( ) This routine sends an event to the SCSI controller state machine. It is usually called by the driver xxxEventProc( ) routine after a selection, reselection, or disconnection. scsiMgrBusReset( ) This routine resets all physical devices in the SCSI library upon a bus-initiated reset. It is typically invoked from xxxEventProc( ). scsiMgrThreadEvent( ) This routine sends an event to the thread state machine. It is called by the thread management routines within the driver; the entry point to the thread routines is by way of xxxEventProc( ). In general, xxxEventProc( ) is the general routine which calls other driver-specific thread-management routines. 336
I Writing a SCSI-2 Device Driver For a better understanding, look at the advanced SCSI controller driver template and also examine an actual driver. scsiMsgOutComplete( ) This routine performs post-processing after a SCSI message out has been sent. It is also invoked from the driver thread management routines. scsiMsgInComplete( ) This routine performs post-processing after a SCSI message in is received. It is invoked from the driver thread management routines. scsiMsgOutReject( ) This routine performs post-processing when an outgoing message has been rejected. scsiIdentMsgParse( ) This routine parses an incoming identify message when VxWorks has been selected or reselected. scsiIdentMsgBuild( ) This routine builds an identify message in the caller’s buffer. scsiCacheSnoopEnable( ) This routine informs the library that hardware cache snooping is enabled and that it is unnecessary to call cache-specific routines. scsiCacheSnoopDisable( ) This routine informs the library that hardware snooping has been disabled or does not exist and that the library must perform cache coherency. scsiCacheSynchronize( ) This routine is called by the driver for all cache-coherency needs. scsiThreadInit( ) This routine performs general thread initialization; it is invoked by the driver xxxThreadInit( ) routine. Example I-2 provides an advanced SCSI controller driver template and Example I-3 shows a SCSI I/O processor assembly language template. These examples show how such drivers may be structured. Many details are not included in the templates; these templates simply serve to provide a high-level picture of what is involved. Once the basic structure of the template is understood, examining an actual advanced controller driver will clarify the issues involved, especially thread management. I 337
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VxWorks® 5.5 BSP DEVELOPER’S GUI
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1 Overview ........................
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Contents 1 Overview ...............
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Contents 3.6.5 Cache, MMU, and DMA
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Contents Memory-Mapped Chips ......
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Contents 7.3.3 System Configuration
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Contents 9.5.4 Processing .........
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Contents F Generic Drivers ........
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Contents Stopping the Driver Withou
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1 Overview 1.1 Introduction One str
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1 Overview ■ New Drivers Many new
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1 Overview Included with Tornado (n
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1 Overview ■ ■ ■ ■ ■ ■
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1 Overview Table 1-1 Font Usage for
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2 BSP Organization 2.1 Introduction
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2 BSP Organization Files in the tar
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2 BSP Organization Files in the tar
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2 BSP Organization Version 1.0 BSPs
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2 BSP Organization SM_MEM_SIZE The
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2 BSP Organization For boards witho
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2 BSP Organization PCI_MSTR_IO_LOCA
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2 BSP Organization The entry point
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2 BSP Organization target.nr The fi
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2 BSP Organization bootrom This fil
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2 BSP Organization sysSerialHwInit(
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2 BSP Organization The Motorola M68
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2 BSP Organization Many VxWorks fac
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2 BSP Organization further board in
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2 BSP Organization can have very un
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3 Creating a New BSP 3.1 Introducti
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3 Creating a New BSP 3.2 Setting Up
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3 Creating a New BSP Makefile At a
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3 Creating a New BSP char * sysBspR
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3 Creating a New BSP ... #endif } T
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3 Creating a New BSP int dummy; ...
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3 Creating a New BSP To find the so
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3 Creating a New BSP might want to
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3 Creating a New BSP not, use the s
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3 Creating a New BSP ■ It has a V
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3 Creating a New BSP 3.6.7 SCSI VxW
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4 Hardware Guidelines 4.1 Introduct
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4 Hardware Guidelines to the start
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4 Hardware Guidelines Higher-level
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4 Hardware Guidelines Such dedicate
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4 Hardware Guidelines Especially us
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4 Hardware Guidelines selected from
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4 Hardware Guidelines Hardware Inte
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4 Hardware Guidelines The rest of t
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4 Hardware Guidelines 4.4.2 System
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4 Hardware Guidelines only deal wit
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4 Hardware Guidelines 4.4.13 Parall
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4 Hardware Guidelines 0x10000, /* 6
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4 Hardware Guidelines The following
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5 Driver Guidelines 5.1 Introductio
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5 Driver Guidelines Maintenance and
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5 Driver Guidelines word addresses.
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5 Driver Guidelines 5.4 Design Guid
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5 Driver Guidelines Per-Device Data
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5 Driver Guidelines To fix this sit
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5 Driver Guidelines block are more
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5 Driver Guidelines 5.8 Driver Use
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5 Driver Guidelines ■ ■ Memory
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5 Driver Guidelines The level of ca
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5 Driver Guidelines cache for the d
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6 Components 6.1 Introduction Torna
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6 Components 6.2 Component Descript
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6 Components ■ User Presentation.
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6 Components Folder FOLDER_ANSI { N
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6 Components in a single project. I
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6 Components The component object i
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6 Components Parameters Parameters
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6 Components In the example, the co
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6 Components (2) comps/vxWorks/arch
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6 Components Figure 6-4 Include Com
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6 Components NOTE: INIT_BEFORE only
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6 Components The _CHILDREN property
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6 Components ! CAUTION: Do not alte
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6 Components ■ Check the Project
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7 Validation Testing 7.1 Introducti
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7 Validation Testing ■ ■ The te
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7 Validation Testing 2. The script
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7 Validation Testing Figure 7-4 Typ
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7 Validation Testing NOTE: Wind Riv
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7 Validation Testing scsi Requires
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7 Validation Testing Table 7-1 Vali
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7 Validation Testing Table 7-2 Vali
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7 Validation Testing sysProcNumGet
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7 Validation Testing The log file c
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8 Writing Portable C Code This chap
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8 Writing Portable C Code attribute
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8 Writing Portable C Code 8.1.3 Sta
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8 Writing Portable C Code 8.1.5 Oth
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8 Writing Portable C Code The last
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8 Writing Portable C Code Always sp
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8 Writing Portable C Code 8.2 Tool
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9 Documentation Guidelines 9.1 Intr
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9 Documentation Guidelines Spelling
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9 Documentation Guidelines Table 9-
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9 Documentation Guidelines Table 9-
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9 Documentation Guidelines ■ Avoi
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9 Documentation Guidelines ■ ■
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9 Documentation Guidelines INCLUDE
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9 Documentation Guidelines INTRODUC
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9 Documentation Guidelines 9.5 Gene
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9 Documentation Guidelines uppercas
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9 Documentation Guidelines The foll
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10 Product Packaging 10.1 SETUP Dev
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10 Product Packaging ... include $(
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10 Product Packaging Vendor-Supplie
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10 Product Packaging in the project
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A Upgrading a BSP for Tornado 2.0 T
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A Upgrading a BSP for Tornado 2.0 A
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A Upgrading a BSP for Tornado 2.0
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A Upgrading a BSP for Tornado 2.0 6
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B Upgrading a BSP for Tornado 2.2 T
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B Upgrading a BSP for Tornado 2.2 C
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B Upgrading a BSP for Tornado 2.2
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B Upgrading a BSP for Tornado 2.2 c
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B Upgrading a BSP for Tornado 2.2
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C Upgrading a BSP for the VxWorks N
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D VxWorks Boot Sequence Table D-1 d
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D VxWorks Boot Sequence Table D-1 V
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E Component Language E.1 Component
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E Component Language REQUIRES r1 r2
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E Component Language } // default i
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E Component Language FOLDER_WINDVIE
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E Component Language initialization
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E Component Language INCLUDE_MMU_BA
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E Component Language INCLUDE_NETWOR
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E Component Language INCLUDE_WDB_ME
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F Generic Drivers F.1 Introduction
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F Generic Drivers CONSOLE_TTY This
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F Generic Drivers Define SIO_CALLBA
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F Generic Drivers NV_RAM_SIZE Defin
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F Generic Drivers F.10 PCI Bus The
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G Upgrading 4.3 BSD Network Drivers
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H Implementing a MUX-Based Network
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Page 383 and 384: J BSP Validation Test Suite Referen
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J BSP Validation Test Suite Referen
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K BSP Validation Checklists This ap
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K BSP Validation Checklists BSP Val
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K BSP Validation Checklists 7. Veri
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K BSP Validation Checklists 2. If t
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K BSP Validation Checklists Validat
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K BSP Validation Checklists Manufac
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K BSP Validation Checklists Manufac
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L Refgen NOTE: In Tornado 1.0.1 and
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L Refgen * SYNOPSIS * \cs * void xx
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L Refgen Yields output approximatel
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L Refgen EXAMPLE INCLUDES SEE ALSO
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M BSP Product Contents When you are
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M BSP Product Contents Do not inclu
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Index A abort button 82 addressing
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Index clocks see also individual cl
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Index naming conventions 95 perform
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Index INCLUDE_USR_APPL 38 INCLUDE_V
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Index network drivers 58 network in
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Index scsiCtrlLib 324 scsiDirectLib
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Index testing, validation 139-158 s
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