This protocol abstracts the 8259 interrupt controller. This includes PCI IRQ routing needed to program the PCI Interrupt Line register.

Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Revision Reference:: This protocol is defined in Framework for EFI Compatibility Support Module spec Version 0.97.

PROTOCOL Information

PROTOCOL's Guid Name	PROTOCOL's Guid
gEfiLegacy8259ProtocolGuid	{0x38321dba, 0x4fe0, 0x4e17, {0x8a, 0xec, 0x41, 0x30, 0x55, 0xea, 0xed, 0xc1}}

Refer to Header File