EmbeddedPkg/Include/Library/AcpiLib.h

   1 /** @file
   2   Helper Library for ACPI
   3
   4   Copyright (c) 2014-2016, ARM Ltd. All rights reserved.
   5
   6   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #ifndef __ACPI_LIB_H__
  17 #define __ACPI_LIB_H__
  18
  19 #include <Uefi.h>
  20
  21 #include <IndustryStandard/Acpi10.h>
  22
  23 //
  24 // Macros for the Generic Address Space
  25 //
  26 #define NULL_GAS               { EFI_ACPI_5_0_SYSTEM_MEMORY,  0, 0, EFI_ACPI_5_0_UNDEFINED, 0L }
  27 #define ARM_GAS8(Address)      { EFI_ACPI_5_0_SYSTEM_MEMORY,  8, 0, EFI_ACPI_5_0_BYTE,      Address }
  28 #define ARM_GAS16(Address)     { EFI_ACPI_5_0_SYSTEM_MEMORY, 16, 0, EFI_ACPI_5_0_WORD,      Address }
  29 #define ARM_GAS32(Address)     { EFI_ACPI_5_0_SYSTEM_MEMORY, 32, 0, EFI_ACPI_5_0_DWORD,     Address }
  30 #define ARM_GASN(Address)      { EFI_ACPI_5_0_SYSTEM_MEMORY,  0, 0, EFI_ACPI_5_0_DWORD,     Address }
  31
  32 //
  33 // Macros for the Multiple APIC Description Table (MADT)
  34 //
  35 #define EFI_ACPI_5_0_GIC_DISTRIBUTOR_INIT(GicDistHwId, GicDistBase, GicDistVector) \
  36   { \
  37     EFI_ACPI_5_0_GICD, sizeof (EFI_ACPI_5_0_GIC_DISTRIBUTOR_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
  38     GicDistHwId, GicDistBase, GicDistVector, EFI_ACPI_RESERVED_DWORD \
  39   }
  40
  41 // Note the parking protocol is configured by UEFI if required
  42 #define EFI_ACPI_5_0_GIC_STRUCTURE_INIT(GicId, AcpiCpuId, Flags, PmuIrq, GicBase) \
  43   { \
  44     EFI_ACPI_5_0_GIC, sizeof (EFI_ACPI_5_0_GIC_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
  45     GicId, AcpiCpuId, Flags, 0, PmuIrq, 0, GicBase \
  46   }
  47
  48 // Note the parking protocol is configured by UEFI if required
  49 #define EFI_ACPI_5_1_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Mpidr, Flags, PmuIrq,    \
  50     GicBase, GicVBase, GicHBase, GsivId, GicRBase)                                   \
  51   {                                                                                  \
  52     EFI_ACPI_5_1_GIC, sizeof (EFI_ACPI_5_1_GIC_STRUCTURE), EFI_ACPI_RESERVED_WORD,   \
  53     GicId, AcpiCpuUid, Flags, 0, PmuIrq, 0, GicBase, GicVBase, GicHBase,             \
  54     GsivId, GicRBase, Mpidr                                                          \
  55   }
  56
  57 #define EFI_ACPI_6_0_GIC_MSI_FRAME_INIT(GicMsiFrameId, PhysicalBaseAddress, Flags, SPICount, SPIBase) \
  58   { \
  59     EFI_ACPI_6_0_GIC_MSI_FRAME, sizeof (EFI_ACPI_6_0_GIC_MSI_FRAME_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
  60     GicMsiFrameId, PhysicalBaseAddress, Flags, SPICount, SPIBase \
  61   }
  62
  63 //
  64 // SBSA Generic Watchdog
  65 //
  66 #define EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(RefreshFramePhysicalAddress,                  \
  67     ControlFramePhysicalAddress, WatchdogTimerGSIV, WatchdogTimerFlags)                                 \
  68   {                                                                                                     \
  69     EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG, sizeof(EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE), \
  70     EFI_ACPI_RESERVED_BYTE, RefreshFramePhysicalAddress, ControlFramePhysicalAddress,                   \
  71     WatchdogTimerGSIV, WatchdogTimerFlags                                                               \
  72   }
  73
  74 typedef
  75 BOOLEAN
  76 (EFIAPI *EFI_LOCATE_ACPI_CHECK) (
  77   IN  EFI_ACPI_DESCRIPTION_HEADER *AcpiHeader
  78   );
  79
  80 /**
  81   Locate and Install the ACPI tables from the Firmware Volume if it verifies
  82   the function condition.
  83
  84   @param  AcpiFile                Guid of the ACPI file into the Firmware Volume
  85   @param  CheckAcpiTableFunction  Function that checks if the ACPI table should be installed
  86
  87   @return EFI_SUCCESS             The function completed successfully.
  88   @return EFI_NOT_FOUND           The protocol could not be located.
  89   @return EFI_OUT_OF_RESOURCES    There are not enough resources to find the protocol.
  90
  91 **/
  92 EFI_STATUS
  93 LocateAndInstallAcpiFromFvConditional (
  94   IN CONST EFI_GUID*        AcpiFile,
  95   IN EFI_LOCATE_ACPI_CHECK  CheckAcpiTableFunction
  96   );
  97
  98 /**
  99   Locate and Install the ACPI tables from the Firmware Volume
 100
 101   @param  AcpiFile              Guid of the ACPI file into the Firmware Volume
 102
 103   @return EFI_SUCCESS           The function completed successfully.
 104   @return EFI_NOT_FOUND         The protocol could not be located.
 105   @return EFI_OUT_OF_RESOURCES  There are not enough resources to find the protocol.
 106
 107 **/
 108 EFI_STATUS
 109 LocateAndInstallAcpiFromFv (
 110   IN CONST EFI_GUID* AcpiFile
 111   );
 112
 113 #endif // __ACPI_LIB_H__