/** @file
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Header file for Pci Express helps library implementation.
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Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _PCI_EXPRESS_HELPERS_LIBRARY_H_
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#define _PCI_EXPRESS_HELPERS_LIBRARY_H_
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#include <Uefi/UefiBaseType.h>
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#include <Library/BaseLib.h>
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#include <Library/IoLib.h>
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#include <Library/DebugLib.h>
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#include <IndustryStandard/Pci.h>
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#include <PchPolicyCommon.h>
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#include <Library/PchPcieRpLib.h>
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#include <Library/PchPcrLib.h>
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#include <Library/PchInfoLib.h>
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#include <Library/PciSegmentLib.h>
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#include <Library/GpioNativeLib.h>
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#include <Library/TimerLib.h>
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#include <Library/PciExpressHelpersLib.h>
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#include <Library/PcieRpLib.h>
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#include <PcieRegs.h>
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#include <Register/CpuPcieRegs.h>
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#include <Register/PchPcieRpRegs.h>
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#define LTR_VALUE_MASK (BIT0 + BIT1 + BIT2 + BIT3 + BIT4 + BIT5 + BIT6 + BIT7 + BIT8 + BIT9)
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#define LTR_SCALE_MASK (BIT10 + BIT11 + BIT12)
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#define CONFIG_WRITE_LOOP_COUNT 100000
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//
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// LTR related macros
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//
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#define LTR_LATENCY_VALUE(x) ((x) & LTR_VALUE_MASK)
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#define LTR_SCALE_VALUE(x) (((x) & LTR_SCALE_MASK) >> 10)
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#define LTR_LATENCY_NS(x) (LTR_LATENCY_VALUE(x) * (1 << (5 * LTR_SCALE_VALUE(x))))
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#endif
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