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 #define EFI_ACPI_6_0_GIC_DISTRIBUTOR_INIT(GicDistHwId, GicDistBase, GicDistVector, GicVersion) \
  42   { \
  43     EFI_ACPI_6_0_GICD, sizeof (EFI_ACPI_6_0_GIC_DISTRIBUTOR_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
  44     GicDistHwId, GicDistBase, GicDistVector, GicVersion, \
  45     {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE} \
  46   }
  47
  48 // Note the parking protocol is configured by UEFI if required
  49 #define EFI_ACPI_5_0_GIC_STRUCTURE_INIT(GicId, AcpiCpuId, Flags, PmuIrq, GicBase) \
  50   { \
  51     EFI_ACPI_5_0_GIC, sizeof (EFI_ACPI_5_0_GIC_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
  52     GicId, AcpiCpuId, Flags, 0, PmuIrq, 0, GicBase \
  53   }
  54
  55 // Note the parking protocol is configured by UEFI if required
  56 #define EFI_ACPI_5_1_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Mpidr, Flags, PmuIrq,    \
  57     GicBase, GicVBase, GicHBase, GsivId, GicRBase)                                   \
  58   {                                                                                  \
  59     EFI_ACPI_5_1_GIC, sizeof (EFI_ACPI_5_1_GIC_STRUCTURE), EFI_ACPI_RESERVED_WORD,   \
  60     GicId, AcpiCpuUid, Flags, 0, PmuIrq, 0, GicBase, GicVBase, GicHBase,             \
  61     GsivId, GicRBase, Mpidr                                                          \
  62   }
  63
  64 #define EFI_ACPI_6_0_GIC_MSI_FRAME_INIT(GicMsiFrameId, PhysicalBaseAddress, Flags, SPICount, SPIBase) \
  65   { \
  66     EFI_ACPI_6_0_GIC_MSI_FRAME, sizeof (EFI_ACPI_6_0_GIC_MSI_FRAME_STRUCTURE), EFI_ACPI_RESERVED_WORD, \
  67     GicMsiFrameId, PhysicalBaseAddress, Flags, SPICount, SPIBase \
  68   }
  69
  70 //
  71 // SBSA Generic Watchdog
  72 //
  73 #define EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(RefreshFramePhysicalAddress,                  \
  74     ControlFramePhysicalAddress, WatchdogTimerGSIV, WatchdogTimerFlags)                                 \
  75   {                                                                                                     \
  76     EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG, sizeof(EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE), \
  77     EFI_ACPI_RESERVED_BYTE, RefreshFramePhysicalAddress, ControlFramePhysicalAddress,                   \
  78     WatchdogTimerGSIV, WatchdogTimerFlags                                                               \
  79   }
  80
  81 typedef
  82 BOOLEAN
  83 (EFIAPI *EFI_LOCATE_ACPI_CHECK) (
  84   IN  EFI_ACPI_DESCRIPTION_HEADER *AcpiHeader
  85   );
  86
  87 /**
  88   Locate and Install the ACPI tables from the Firmware Volume if it verifies
  89   the function condition.
  90
  91   @param  AcpiFile                Guid of the ACPI file into the Firmware Volume
  92   @param  CheckAcpiTableFunction  Function that checks if the ACPI table should be installed
  93
  94   @return EFI_SUCCESS             The function completed successfully.
  95   @return EFI_NOT_FOUND           The protocol could not be located.
  96   @return EFI_OUT_OF_RESOURCES    There are not enough resources to find the protocol.
  97
  98 **/
  99 EFI_STATUS
 100 LocateAndInstallAcpiFromFvConditional (
 101   IN CONST EFI_GUID*        AcpiFile,
 102   IN EFI_LOCATE_ACPI_CHECK  CheckAcpiTableFunction
 103   );
 104
 105 /**
 106   Locate and Install the ACPI tables from the Firmware Volume
 107
 108   @param  AcpiFile              Guid of the ACPI file into the Firmware Volume
 109
 110   @return EFI_SUCCESS           The function completed successfully.
 111   @return EFI_NOT_FOUND         The protocol could not be located.
 112   @return EFI_OUT_OF_RESOURCES  There are not enough resources to find the protocol.
 113
 114 **/
 115 EFI_STATUS
 116 LocateAndInstallAcpiFromFv (
 117   IN CONST EFI_GUID* AcpiFile
 118   );
 119
 120 #endif // __ACPI_LIB_H__