Sun Microsystems CP2500 manual User Flash

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Warning Temperature Response at OpenBoot PROM		33
Critical Temperature Response at OpenBoot PROM		33
Using the show-sensors Command at the OpenBoot PROM			34
Environmental Monitoring Application Programming	34
Reading Temperature Sensor States Using the PICL API		35
Using a Configuration File for Sensor Information	36
Solaris Driver Interface 36
Sample Application Program 37
Reading the CPU Temperature and Environmental Limits			41

3.User Flash 43

User Flash Usage and Implementation				43
User Flash Driver	44
OpenBoot PROM Device Tree and Properties 44
User Flash Device Files		45
Interface (Header) File		45
Application Programming Interface 45
Structures to Use in IOCTL Arguments					46
PROM Information Structure				46
User Flash User Interface Structure					47
Errors 47
Example Programs	47
Read Example Program			48
Write Example Program			49
Block Erase Example Program				51
Sample User Flash Application Program					53

Index 59

iv Netra CP2500 Board Programming Guide • March 2007

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Contents Netra CP2500 Board Programming Guide Page Contents User Flash Figures Vi Netra CP2500 Board Programming Guide March Tables Viii Netra CP2500 Board Programming Guide March Code Samples Netra CP2500 Board Programming Guide March Preface How This Book Is OrganizedUsing Unix Commands Typographic ConventionsShell Prompts Related DocumentationThird-Party Web Sites Documentation, Support, and TrainingSun Welcomes Your Comments Watchdog Timer OverviewPicl Plug-In Module 1Watchdog Plug-In Interfaces for Netra CP2500 Board Software 2Properties Under watchdog-controllerNode3Properties Under watchdog-timerNode HEALTHY#Watchdog Node Management Code Code Example 1-1System Watchdog Node Management Code ExampleCode Example 1-1System Watchdog Node Management Code Example Usagestr Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Null Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Code Example 1-1System Watchdog Node Management Code Example Notreached Code Example 1-1System Watchdog Node Management Code Example OpenBoot Prom Interface Netra CP2500 Board Programming Guide March Environmental Monitoring Typical Environmental Monitoring System Application Environmental Monitoring Component Compatibility1Compatible Environmental Monitoring Components I2C Typical Cycle From Power Up to Shutdown Environmental Monitoring Protection at the OpenBoot PromPost Shutdown Recovery Hardware Environmental Monitoring Functions 3I2C ComponentsEnvironmental Monitoring CPU Switching Power On and Off Inlet, Exhaust, and CPU Temperature MonitoringNetra CP2500 Board Programming Guide March OpenBoot Prom Environmental Monitoring Critical Temperature Response at OpenBoot PromUsing the show-sensorsCommand at OpenBoot Prom Environmental Monitoring Application ProgrammingReading Temperature Sensor States Using 4PICL Temperature Sensor Class Node PropertiesUsing a Configuration File for Sensor Information Solaris Driver InterfaceSample Application Program Code Example 2-1Sample envmond Application ProgramCode Example 2-1Sample envmond Application Program Code Example 2-1Sample envmond Application Program Code Example 2-1Sample envmond Application Program Reading the CPU Temperature Environmental Limits Prtdiag command example5Description of Values Displayed by Solaris Commands User Flash User Flash Usage and ImplementationUser Flash Driver OpenBoot Prom Device Tree and Properties1User Flash Node Properties Application Programming Interface User Flash Device FilesInterface Header File 2System CallsStructures to Use in Ioctl Arguments Code Example 3-1PROM Information StructureExample Programs ErrorsCode Example 3-2User Flash Interface Structure Read Example Program Code Example 3-3Read Action on User Flash DeviceWrite Example Program Code Example 3-4Write Action on User Flash DeviceCode Example 3-4Write Action on User Flash Device Block Erase Example Program Code Example 3-5Block Erase Action on User Flash DeviceCode Example 3-5Block Erase Action on User Flash Device Sample User Flash Application Program Code Example 3-6Sample User Flash Application ProgramCode Example 3-6Sample User Flash Application Program Code Example 3-6Sample User Flash Application Program Code Example 3-6Sample User Flash Application Program Code Example 3-6Sample User Flash Application Program Code Example 3-6Sample User Flash Application Program Index PiclWatchdog-controller, 3 Watchdog-timer, 3