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/** @file
Helper Library for ACPI
Copyright (c) 2014-2016, ARM Ltd. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __ACPI_LIB_H__
#define __ACPI_LIB_H__
#include <Uefi.h>
#include <IndustryStandard/Acpi10.h>
//
// Macros for the Generic Address Space
//
#define NULL_GAS { EFI_ACPI_5_0_SYSTEM_MEMORY, 0, 0, EFI_ACPI_5_0_UNDEFINED, 0L }
#define ARM_GAS8(Address) { EFI_ACPI_5_0_SYSTEM_MEMORY, 8, 0, EFI_ACPI_5_0_BYTE, Address }
#define ARM_GAS16(Address) { EFI_ACPI_5_0_SYSTEM_MEMORY, 16, 0, EFI_ACPI_5_0_WORD, Address }
#define ARM_GAS32(Address) { EFI_ACPI_5_0_SYSTEM_MEMORY, 32, 0, EFI_ACPI_5_0_DWORD, Address }
#define ARM_GASN(Address) { EFI_ACPI_5_0_SYSTEM_MEMORY, 0, 0, EFI_ACPI_5_0_DWORD, Address }
//
// Macros for the Multiple APIC Description Table (MADT)
//
#define EFI_ACPI_5_0_GIC_DISTRIBUTOR_INIT(GicDistHwId, GicDistBase, GicDistVector) \
{ \
EFI_ACPI_5_0_GICD, sizeof (EFI_ACPI_5_0_GIC_DISTRIBUTOR_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
GicDistHwId, GicDistBase, GicDistVector, EFI_ACPI_RESERVED_DWORD \
}
#define EFI_ACPI_6_0_GIC_DISTRIBUTOR_INIT(GicDistHwId, GicDistBase, GicDistVector, GicVersion) \
{ \
EFI_ACPI_6_0_GICD, sizeof (EFI_ACPI_6_0_GIC_DISTRIBUTOR_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
GicDistHwId, GicDistBase, GicDistVector, GicVersion, \
{EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE} \
}
// Note the parking protocol is configured by UEFI if required
#define EFI_ACPI_5_0_GIC_STRUCTURE_INIT(GicId, AcpiCpuId, Flags, PmuIrq, GicBase) \
{ \
EFI_ACPI_5_0_GIC, sizeof (EFI_ACPI_5_0_GIC_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
GicId, AcpiCpuId, Flags, 0, PmuIrq, 0, GicBase \
}
// Note the parking protocol is configured by UEFI if required
#define EFI_ACPI_5_1_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Mpidr, Flags, PmuIrq, \
GicBase, GicVBase, GicHBase, GsivId, GicRBase) \
{ \
EFI_ACPI_5_1_GIC, sizeof (EFI_ACPI_5_1_GIC_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
GicId, AcpiCpuUid, Flags, 0, PmuIrq, 0, GicBase, GicVBase, GicHBase, \
GsivId, GicRBase, Mpidr \
}
#define EFI_ACPI_6_0_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Mpidr, Flags, PmuIrq, \
GicBase, GicVBase, GicHBase, GsivId, GicRBase, Efficiency) \
{ \
EFI_ACPI_6_0_GIC, sizeof (EFI_ACPI_6_0_GIC_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
GicId, AcpiCpuUid, Flags, 0, PmuIrq, 0, GicBase, GicVBase, GicHBase, \
GsivId, GicRBase, Mpidr, Efficiency, \
{EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE} \
}
#define EFI_ACPI_6_0_GIC_MSI_FRAME_INIT(GicMsiFrameId, PhysicalBaseAddress, Flags, SPICount, SPIBase) \
{ \
EFI_ACPI_6_0_GIC_MSI_FRAME, sizeof (EFI_ACPI_6_0_GIC_MSI_FRAME_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
GicMsiFrameId, PhysicalBaseAddress, Flags, SPICount, SPIBase \
}
//
// SBSA Generic Watchdog
//
#define EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(RefreshFramePhysicalAddress, \
ControlFramePhysicalAddress, WatchdogTimerGSIV, WatchdogTimerFlags) \
{ \
EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG, sizeof(EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE), \
EFI_ACPI_RESERVED_BYTE, RefreshFramePhysicalAddress, ControlFramePhysicalAddress, \
WatchdogTimerGSIV, WatchdogTimerFlags \
}
typedef
BOOLEAN
(EFIAPI *EFI_LOCATE_ACPI_CHECK) (
IN EFI_ACPI_DESCRIPTION_HEADER *AcpiHeader
);
/**
Locate and Install the ACPI tables from the Firmware Volume if it verifies
the function condition.
@param AcpiFile Guid of the ACPI file into the Firmware Volume
@param CheckAcpiTableFunction Function that checks if the ACPI table should be installed
@return EFI_SUCCESS The function completed successfully.
@return EFI_NOT_FOUND The protocol could not be located.
@return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol.
**/
EFI_STATUS
LocateAndInstallAcpiFromFvConditional (
IN CONST EFI_GUID* AcpiFile,
IN EFI_LOCATE_ACPI_CHECK CheckAcpiTableFunction
);
/**
Locate and Install the ACPI tables from the Firmware Volume
@param AcpiFile Guid of the ACPI file into the Firmware Volume
@return EFI_SUCCESS The function completed successfully.
@return EFI_NOT_FOUND The protocol could not be located.
@return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol.
**/
EFI_STATUS
LocateAndInstallAcpiFromFv (
IN CONST EFI_GUID* AcpiFile
);
#endif // __ACPI_LIB_H__
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