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Intel Intel NetStructure MPCHC5525 System Master Processor Board IPMI Reference Driver, MPCHC5525 2.2 How Does Communication Work?

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Intel® NetStructure™ MPCHC5525 System Master Processor Board IPMI Reference Driver User’s Guide 13

IBMU Functionality

2.1.6 Available D rivers

IPMI drivers for the following operating systems are available:

•VxWorks*

•Windows 2000/NT*

•Solaris*

•MontaVista Linux*

These drivers include an application programming interface (API) to use IPMI commands. Please

see Appendix A for an API to use IPMI commands. Additional information regarding

implementing this software is available by contacting Force Computers

(www.forcecomputers.com).

2.2 How Does Communication Work?

Communication in this case means sending IP MI comman ds and rec eivin g a res ponse . All sta ndard

IPMI commands are described in the IPMI Specification.

System management software can communicate with:

•Devices with IPMI contro ller

•Nonintelligent devices

•On-board se nsors

Communication is realized via buses and/or interfaces.

Figure 4. Buses/Interfaces Provided by the IBMU

Contents

Main Page Contents Figures Tables Page Page Intel NetStructure MPCHC5525 System Master Processor Board IPMI Reference Driver Users Guide 7 Using This Guid e Using This Guide 1 1.1 Terms and Definitions Table 1. Terms and Definitions 8Intel Using This Guide 1.2 Other Sources of Information Table 2. Reference Documents Table 1. Terms and Definitions IBMU Functionality 2 2.1 Introduction 2.1.1 Purpose of IPMI 2.1.3 Where Is IPMI-Relevant Information Stored? 2.1.4 Basic Communication Principles 2.1.5 Requirements Page 2.1.6 Available D rivers 2.2 How Does Communication Work? 2.2.1 Communication Within a Chassis 2.2.1.1 Devices with IPMI Controller 2.2.1.2 Nonintelligent Devices 2.2.1.3 On-Board Temperature Sensor 2.2.2 Communication between Chassis Page Page Preparing Software for IPMI Usage 3 3.1 Action Plan 3.2 Notes on Writing Your Own IPMI Driver 3.3 Sensor Data Records 3.3.1 Obtaining SDR Settings 3.4 Notes on Writing System Managem ent Software With your management sof tw a re and For c e -sp e cif ic O E M IP MI co mm ands, you: 3.4.2 Checking CP U Boar d Si gn als 3.4.2.4 POST Code 3.4.3 Monitoring the IBMU 3.4.3.1 Self Test 3.4.3.2 IPMI Controller Watchdog Supported IPMI Commands and BMC/PM Addresses 4 4.1 Standard IPMI Commands 4.2 Global IPM I Co m mands 4.2.1 System Interface Commands 4.2.3 SEL Commands 4.2.4 SDR Commands 4.2.5 FRU Inventory Device Commands Intel NetStructure MPCHC5525 System Master Processor Board IPMI Reference Driver Users Guide 25 4.2.6 Sensor Device Commands All commands can be used in every operation mode. 4.2.7 ICMB Bridge Commands Table 7. Implemented Optional Sensor Device Commands Table 8. Implemented Optional ICMB Bridge Commands (Sheet 1 of 2) 4.3 Force-Specific Commands 4.3.1 BMC/PMChangeRole 4.3.1.2 Response Data 4.3.1.1 Request Data 4.3.2 FlashFileSystemClear 4.3.2.1 Request Data 4.3.2.2 Response Data 4.3.3 GetGeographicalAddress 4.3.3.1 Request Data 4.3.3.2 Response Data 4.4 BMC and PM Addresses Intel NetStructure MPCHC5525 System Master Processor Board IPMI Reference Driver Users Guide 29 Page Customer Support 5