IpmiDeviceAmount

Field	Value
Index	0094
Module	IpmiDeviceAmount
Image	IpmiDeviceAmount.efi
Size	14,784 bytes (5 sections, PE32+)
SHA256	eba02ebe3909c2b17b490fe17465ee3fc761c4..
Subsystem	DXE Driver (0Bh)
Functions	~18

Overview

DXE driver that enumerates SATA/AHCI devices attached to the system, counts HDDs and SSDs separately, calculates total storage capacity, and reports device counts via IPMI to the BMC. Uses EFI_ATA_PASS_THRU_PROTOCOL and EFI_BLOCK_IO_PROTOCOL for device enumeration. Source: LenovoServerPkg/IpmiDeviceAmount/LnvIpmiDeviceAmount.c.

Key Functions

ModuleEntryPoint -- UEFI entry point, initializes protocol pointers
ATA pass-through enumeration and classification routines
Capacity calculation logic
IPMI reporting functions to communicate device counts to BMC

Dependencies

EFI_ATA_PASS_THRU_PROTOCOL
EFI_BLOCK_IO_PROTOCOL
EFI_STORAGE_SECURITY_COMMAND_PROTOCOL
IPMI transport protocol

Platform

Lenovo HR650X, Purley platform.