Add the SMBIOS type 19 table (Memory Array Mapped Addr) that includes information about the address mapping for a Physical Memory Array.
Signed-off-by: Pranav Madhu <pranav.ma...@arm.com> --- Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf | 1 + Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h | 6 ++ Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c | 1 + Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type19MemoryArrayMappedAddress.c | 92 ++++++++++++++++++++ 4 files changed, 100 insertions(+) diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf index 9061c491d461..f81494114188 100644 --- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf +++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf @@ -22,6 +22,7 @@ Type7CacheInformation.c Type16PhysicalMemoryArray.c Type17MemoryDevice.c + Type19MemoryArrayMappedAddress.c [Packages] ArmPkg/ArmPkg.dec diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h index 5413982e233b..c6dd72cb6b99 100644 --- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h +++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h @@ -53,6 +53,12 @@ InstallMemoryDevice ( IN EFI_SMBIOS_PROTOCOL *Smbios ); +EFI_STATUS +EFIAPI +InstallMemoryArrayMappedAddress ( + IN EFI_SMBIOS_PROTOCOL *Smbios + ); + enum SMBIOS_REFRENCE_HANDLES { SMBIOS_HANDLE_ENCLOSURE = 0x1000, SMBIOS_HANDLE_CLUSTER1, diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c index 223bf1d114e4..d5d1e6393184 100644 --- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c +++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c @@ -33,6 +33,7 @@ ARM_RD_SMBIOS_TABLE_INSTALL_FPTR mSmbiosTableList[] = { &InstallCacheInformation, &InstallPhysicalMemoryArray, &InstallMemoryDevice, + &InstallMemoryArrayMappedAddress, }; /** diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type19MemoryArrayMappedAddress.c b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type19MemoryArrayMappedAddress.c new file mode 100644 index 000000000000..de458ab29e68 --- /dev/null +++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type19MemoryArrayMappedAddress.c @@ -0,0 +1,92 @@ +/** @file + SMBIOS Type 19 (Memory Array Mapped Address) table for ARM RD platforms. + + This file installs SMBIOS Type 19 (Memory Array Mapped Address) table for Arm's + Reference Design platforms. It includes information about the address mapping + for a Physical Memory Array. + + Copyright (c) 2021, ARM Limited. All rights reserved. + SPDX-License-Identifier: BSD-2-Clause-Patent + + @par Specification Reference: + - SMBIOS Reference Specification 3.4.0, Chapter 7.20 +**/ + +#include <Library/BaseMemoryLib.h> +#include <Library/DebugLib.h> +#include <Protocol/Smbios.h> + +#include "SmbiosPlatformDxe.h" + +#define TYPE19_STRINGS \ + "\0" /* Null string */ + +/* SMBIOS Type19 structure */ +#pragma pack(1) +struct ArmRdSmbiosType19 { + SMBIOS_TABLE_TYPE19 Base; + UINT8 Strings[sizeof (TYPE19_STRINGS)]; +}; +#pragma pack() + +/* Memory Array Mapped Address */ +static struct ArmRdSmbiosType19 mArmRdSmbiosType19 = { + { + { + // SMBIOS header + EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS, // Type 19 + sizeof (SMBIOS_TABLE_TYPE19), // Length + SMBIOS_HANDLE_PI_RESERVED, // Assign an unused handle number + }, + 0, // Starting address + 0, // Ending address + SMBIOS_HANDLE_PHYSICAL_MEMORY, // Memory array handle + 1 // Partition width + }, + // Text strings (unformatted area) + TYPE19_STRINGS +}; + +/** + Install SMBIOS memory array mapped address table + + Install the SMBIOS memory array mapped address (type 19) table for RD + platforms. + + @param[in] Smbios SMBIOS protocol. + + @retval EFI_SUCCESS Record was added. + @retval EFI_OUT_OF_RESOURCES Record was not added. + @retval EFI_ALREADY_STARTED The SmbiosHandle passed in is already in use. +**/ +EFI_STATUS +InstallMemoryArrayMappedAddress ( + IN EFI_SMBIOS_PROTOCOL *Smbios + ) +{ + EFI_STATUS Status; + EFI_SMBIOS_HANDLE SmbiosHandle; + + SmbiosHandle = ((EFI_SMBIOS_TABLE_HEADER *)&mArmRdSmbiosType19)->Handle; + + mArmRdSmbiosType19.Base.StartingAddress = PcdGet64 (PcdSystemMemoryBase) / SIZE_1KB; + mArmRdSmbiosType19.Base.EndingAddress = ((PcdGet64 (PcdSystemMemoryBase) + + (PcdGet64 (PcdSystemMemorySize) + SIZE_16MB)) / // 16MB Trusted DRAM + SIZE_1KB) - 1; + + /* Install type 19 table */ + Status = Smbios->Add ( + Smbios, + NULL, + &SmbiosHandle, + (EFI_SMBIOS_TABLE_HEADER *)&mArmRdSmbiosType19 + ); + if (Status != EFI_SUCCESS) { + DEBUG (( + DEBUG_ERROR, + "SMBIOS: Failed to install Type19 SMBIOS table.\n" + )); + } + + return Status; +} -- 2.17.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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