Pushed as 3c2f11d
> -----Original Message-----
> From: Huang, Li-Xia <lisa.hu...@intel.com>
> Sent: Monday, October 30, 2023 11:24 PM
> To: devel@edk2.groups.io
> Cc: Abner Chang <abner.ch...@amd.com>; Desimone, Nathaniel L
> <nathaniel.l.desim...@intel.com>
> Subject: [PATCH v4 1/1] IpmiFeaturePkg/GenericIpmi: Support Standalone
> MM
>
> Add Standalone Mm Generic Impi driver. And add type 'PcdsFixedAtBuild'
> for PcdIpmiSmmIoBaseAddress to access in StandaloneMm driver
>
> Cc: Abner Chang <abner.ch...@amd.com>
> Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
> Signed-off-by: Lixia Huang <lisa.hu...@intel.com>
> ---
>
> Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Standa
> loneMm/StandaloneMmGenericIpmi.c | 146 ++++++++++++++++++++
>
> Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Standa
> loneMm/StandaloneMmGenericIpmi.inf | 51 +++++++
>
> Features/Intel/OutOfBandManagement/IpmiFeaturePkg/IpmiFeaturePkg.dec
> | 2 +
> 3 files changed, 199 insertions(+)
>
> diff --git
> a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Stan
> daloneMm/StandaloneMmGenericIpmi.c
> b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Stan
> daloneMm/StandaloneMmGenericIpmi.c
> new file mode 100644
> index 000000000000..d808e2517c99
> --- /dev/null
> +++
> b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Stan
> +++ daloneMm/StandaloneMmGenericIpmi.c
> @@ -0,0 +1,146 @@
> +/** @file
> + Generic StandaloneMm IPMI stack driver
> +
> + Copyright 2023 Intel Corporation. <BR>
> + SPDX-License-Identifier: BSD-2-Clause-Patent **/
> +
> +//
> +// Statements that include other files
> +//
> +#include <IndustryStandard/Ipmi.h>
> +#include <Uefi.h>
> +#include <Library/BaseLib.h>
> +#include <Library/SmmLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/MmServicesTableLib.h> #include
> +<Library/MemoryAllocationLib.h> #include
> +<Library/UefiBootServicesTableLib.h>
> +#include <Library/IpmiBaseLib.h>
> +#include <Library/TimerLib.h>
> +#include <SmStatusCodes.h>
> +#include "IpmiHooks.h"
> +#include "IpmiBmcCommon.h"
> +#include "IpmiBmc.h"
> +
> +IPMI_BMC_INSTANCE_DATA *mIpmiInstance;
> +EFI_HANDLE mHandle;
> +
> +/**
> +Routine Description:
> + Setup and initialize the BMC for the SMM phase. In order to verify
> +the BMC is functioning
> + as expected, the BMC Selftest is performed. The results are then
> +checked and any errors are
> + reported to the error manager. Errors are collected throughout this
> +routine and reported
> + just prior to installing the driver. If there are more errors than
> +MAX_SOFT_COUNT, then they
> + will be ignored.
> +
> +Arguments:
> + ImageHandle - Handle of this driver image
> + SystemTable - Table containing standard EFI services
> +
> +Returns:
> + EFI_SUCCESS - Successful driver initialization
> +
> +**/
> +EFI_STATUS
> +SmmInitializeIpmiKcsPhysicalLayer (
> + VOID
> + )
> +{
> + EFI_STATUS Status;
> +
> + DEBUG ((DEBUG_INFO,"SmmInitializeIpmiKcsPhysicalLayer entry \n"));
> +
> + Status = gMmst->MmAllocatePool (
> + EfiRuntimeServicesData,
> + sizeof (IPMI_BMC_INSTANCE_DATA),
> + (VOID **)&mIpmiInstance);
> +
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "mIpmiInstance mem alloc failed - 0x%x\n",
> Status));
> + return Status;
> + } else {
> +
> + //
> + // Initialize the KCS transaction timeout. Assume delay unit is 1000 us.
> + //
> + mIpmiInstance->KcsTimeoutPeriod = (BMC_KCS_TIMEOUT * 1000*1000) /
> + KCS_DELAY_UNIT;
> +
> + //
> + // Initialize IPMI IO Base, we still use SMS IO base to get device ID and
> Seltest result since SMM IF may have different cmds supported
> + //
> + mIpmiInstance->IpmiIoBase = FixedPcdGet16
> (PcdIpmiSmmIoBaseAddress);
> + mIpmiInstance->Signature = SM_IPMI_BMC_SIGNATURE;
> + mIpmiInstance->SlaveAddress = BMC_SLAVE_ADDRESS;
> + mIpmiInstance->BmcStatus = BMC_NOTREADY;
> + mIpmiInstance->IpmiTransport.IpmiSubmitCommand =
> IpmiSendCommand;
> + mIpmiInstance->IpmiTransport.GetBmcStatus = IpmiGetBmcStatus;
> +
> + mHandle = NULL;
> + Status = gMmst->MmInstallProtocolInterface (
> + &mHandle,
> + &gSmmIpmiTransportProtocolGuid,
> + EFI_NATIVE_INTERFACE,
> + &mIpmiInstance->IpmiTransport
> + );
> + ASSERT_EFI_ERROR (Status);
> +
> + DEBUG ((DEBUG_INFO,"SmmInitializeIpmiKcsPhysicalLayer exit \n"));
> +
> + return EFI_SUCCESS;
> + }
> +}
> +
> +/**
> + The module Entry Point of driver.
> +
> + @param[in] ImageHandle The firmware allocated handle for the EFI
> image.
> + @param[in] SystemTable A pointer to the MM System Table.
> +
> + @retval EFI_SUCCESS The entry point is executed successfully.
> + @retval Other Some error occurs when executing this entry point.
> +
> +**/
> +EFI_STATUS
> +InitializeGenericIpmiStandaloneMm (
> + IN EFI_HANDLE ImageHandle,
> + IN EFI_MM_SYSTEM_TABLE *SystemTable
> + )
> +{
> + SmmInitializeIpmiKcsPhysicalLayer ();
> + return EFI_SUCCESS;
> +}
> +
> +/**
> + Unloads an image.
> +
> + @param[in] ImageHandle Handle that identifies the image to be
> unloaded.
> +
> + @retval EFI_SUCCESS The image has been unloaded.
> + @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +GenericIpmiStandaloneMmUnload (
> + IN EFI_HANDLE ImageHandle
> + )
> +{
> + EFI_STATUS Status;
> +
> + Status = EFI_SUCCESS;
> + if (mIpmiInstance != NULL) {
> + if (mHandle != NULL) {
> + Status = gMmst->MmUninstallProtocolInterface (
> + mHandle,
> + &gSmmIpmiTransportProtocolGuid,
> + &mIpmiInstance->IpmiTransport
> + );
> + ASSERT_EFI_ERROR (Status);
> + }
> + gMmst->MmFreePool (mIpmiInstance);
> + }
> +
> + return Status;
> +}
> diff --git
> a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Stan
> daloneMm/StandaloneMmGenericIpmi.inf
> b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Stan
> daloneMm/StandaloneMmGenericIpmi.inf
> new file mode 100644
> index 000000000000..170e0a8d136b
> --- /dev/null
> +++
> b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Stan
> +++ daloneMm/StandaloneMmGenericIpmi.inf
> @@ -0,0 +1,51 @@
> +## @file
> +# StandaloneMm Generic IPMI SMM Driver.
> +#
> +# Copyright 2023 Intel Corporation. <BR> # SPDX-License-Identifier:
> +BSD-2-Clause-Patent ##
> +
> +[Defines]
> + INF_VERSION = 0x00010017
> + BASE_NAME = StandaloneMmGenericIpmi
> + FILE_GUID = 6899c3ea-0920-414f-9555-ad2f00f81060
> + MODULE_TYPE = MM_STANDALONE
> + VERSION_STRING = 1.0
> + PI_SPECIFICATION_VERSION = 0x00010032
> + ENTRY_POINT = InitializeGenericIpmiStandaloneMm
> + UNLOAD_IMAGE = GenericIpmiStandaloneMmUnload
> +
> +[Sources]
> + ../Common/IpmiHooks.h
> + ../Common/IpmiHooks.c
> + ../Common/IpmiBmcCommon.h
> + ../Common/KcsBmc.c
> + ../Common/KcsBmc.h
> + ../Common/IpmiBmc.c
> + ../Common/IpmiBmc.h
> + StandaloneMmGenericIpmi.c
> +
> +[Packages]
> + MdePkg/MdePkg.dec
> + IpmiFeaturePkg/IpmiFeaturePkg.dec
> +
> +[LibraryClasses]
> + MemoryAllocationLib
> + BaseLib
> + MmServicesTableLib
> + DebugLib
> + StandaloneMmDriverEntryPoint
> + IoLib
> + ReportStatusCodeLib
> + TimerLib
> +
> +[Protocols]
> + gSmmIpmiTransportProtocolGuid # PROTOCOL
> ALWAYS_PRODUCED
> +
> +[Guids]
> +
> +[Pcd]
> + gIpmiFeaturePkgTokenSpaceGuid.PcdIpmiSmmIoBaseAddress
> +
> +[Depex]
> + gIpmiTransportProtocolGuid
> diff --git
> a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/IpmiFeaturePkg.d
> ec
> b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/IpmiFeaturePkg.d
> ec
> index 5df71300cbd1..73dca30caae9 100644
> ---
> a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/IpmiFeaturePkg.d
> ec
> +++
> b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/IpmiFeaturePkg.d
> +++ ec
> @@ -129,4 +129,6 @@
>
> gIpmiFeaturePkgTokenSpaceGuid.PcdIpmiIoBaseAddress|0xCA2|UINT16|0x
> D0000003
>
> gIpmiFeaturePkgTokenSpaceGuid.PcdSioMailboxBaseAddress|0x600|UINT32
> |0xD0000004
>
> gIpmiFeaturePkgTokenSpaceGuid.PcdIpmiBmcReadyDelayTimer|120|UINT8|
> 0xD0000005
> +
> +[PcdsFixedAtBuild, PcdsDynamic, PcdsDynamicEx]
>
> gIpmiFeaturePkgTokenSpaceGuid.PcdIpmiSmmIoBaseAddress|0xCA2|UINT1
> 6|0xD0000006
> --
> 2.26.2.windows.1
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