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Intel Intel NetStructure MPCHC5525 System Master Processor Board IPMI Reference Driver, MPCHC5525 Preparing Software for IPMI Usage 3

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Intel® NetStructure™ MPCHC5525 System Master Processor Board IPMI Reference Driver User’s Guide 19

Preparing Software for IPMI Usage

Preparing Software for IPMI Usage 3

3.1 Action Plan

Before being able to use IPMI the following steps are re quir ed and wil l be de scribed i n th is ch apter.

3.2 Notes on Writing Your Own IPMI Driver

The Intel® NetStructure™ MPCBL5525 offers IPMI drivers for several operating systems. For

information about designing your own IPMI dri ver , re fer to the Intellige nt Boar d M anagement Uni t

Reference Guide (PN217328), available by contacting Force Computers.

The interface type used by the IBMU is the Keyboard Controller Style (KCS ) interface. For the

communication between the IPMI controller and the system management software, the KCS0

interface is used. Th ere are also the KCS1 and KCS2 interfaces: K CS 1 can be used to enabl e ECC

error logging in the SEL via the operating system, and KCS2 is used for the BIOS POST codes.

The KCS0 interface can be used in polled or in interrupt-driven mode. The default mode is polled,

i.e. the application management software regularly reads the KCS0 register to find out whether

data has arrived or the state has changed. Interrup t-drive n mode mea ns that the IPMI con trolle r sets

an interrupt in case data has arrived or the state has changed so that the IPMI driver is informed

automatically.

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