[edk2-devel] [edk2-platforms][PATCH 1/2] ManageabilityPkg/IpmiBmcElog: IPMI BMC Elog Driver
Chang, Abner via groups.io
abner.chang=amd.com at groups.io
Mon May 15 02:05:03 UTC 2023
[AMD Official Use Only - General]
Typo fixed, I will do the spell check for the new submitted patch.
Thank you.
Abner
> -----Original Message-----
> From: Tinh Nguyen <tinhnguyen at amperemail.onmicrosoft.com>
> Sent: Monday, May 15, 2023 1:24 AM
> To: Chang, Abner <Abner.Chang at amd.com>; devel at edk2.groups.io
> Cc: Isaac Oram <isaac.w.oram at intel.com>; Attar, AbdulLateef (Abdul Lateef)
> <AbdulLateef.Attar at amd.com>; Nickle Wang <nicklew at nvidia.com>; Tinh
> Nguyen <tinhnguyen at os.amperecomputing.com>
> Subject: Re: [edk2-platforms][PATCH 1/2] ManageabilityPkg/IpmiBmcElog:
> IPMI BMC Elog Driver
>
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
>
>
> There is a minor typo below
>
> Reviewed-by: Tinh Nguyen <tinhnguyen at os.amperecomputing.com>
>
> Regards,
>
> - Tinh
>
>
> On 12/05/2023 16:58, abner.chang at amd.com wrote:
> > From: Abner Chang <abner.chang at amd.com>
> >
> > IpmiBmcElog is cloned from
> > edk2-platforms/Features/Intel/OutOfBandManagement/
> > IpmiFeaturePkg/BmcElog in order to consolidate
> > edk2 system manageability support in one place.
> > Uncustify is applied to C files and no functionalities
> > are changed in this patch.
> >
> > We will still keep the one under IpmiFeaturePkg/BmcElog
> > until the reference to this instance are removed from
> > platforms.
> >
> > Signed-off-by: Abner Chang <abner.chang at amd.com>
> > Cc: Isaac Oram <isaac.w.oram at intel.com>
> > Cc: Abdul Lateef Attar <abdattar at amd.com>
> > Cc: Nickle Wang <nicklew at nvidia.com>
> > Cc: Tinh Nguyen <tinhnguyen at os.amperecomputing.com>
> > ---
> > .../Universal/IpmiBmcElog/BmcElog.inf | 33 +++
> > .../Universal/IpmiBmcElog/BmcElog.c | 192 ++++++++++++++++++
> > 2 files changed, 225 insertions(+)
> > create mode 100644
> Features/ManageabilityPkg/Universal/IpmiBmcElog/BmcElog.inf
> > create mode 100644
> Features/ManageabilityPkg/Universal/IpmiBmcElog/BmcElog.c
> >
> > diff --git a/Features/ManageabilityPkg/Universal/IpmiBmcElog/BmcElog.inf
> b/Features/ManageabilityPkg/Universal/IpmiBmcElog/BmcElog.inf
> > new file mode 100644
> > index 0000000000..4c28862fe5
> > --- /dev/null
> > +++ b/Features/ManageabilityPkg/Universal/IpmiBmcElog/BmcElog.inf
> > @@ -0,0 +1,33 @@
> > +### @file
> > +# Component description file for BMC ELOG.
> > +#
> > +# Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>
> > +#
> > +# SPDX-License-Identifier: BSD-2-Clause-Patent
> > +#
> > +###
> > +
> > +[Defines]
> > + INF_VERSION = 0x00010005
> > + BASE_NAME = BmcElog
> > + FILE_GUID = A0FF2235-B652-45E3-B3D2-B20F3E714E6F
> > + MODULE_TYPE = DXE_DRIVER
> > + PI_SPECIFICATION_VERSION = 0x0001000A
> > + VERSION_STRING = 1.0
> > + ENTRY_POINT = InitializeBmcElogLayer
> > +
> > +[Sources]
> > + BmcElog.c
> > +
> > +[Packages]
> > + ManageabilityPkg/ManageabilityPkg.dec
> > + MdePkg/MdePkg.dec
> > +
> > +[LibraryClasses]
> > + DebugLib
> > + IpmiCommandLib
> > + UefiBootServicesTableLib
> > + UefiDriverEntryPoint
> > +
> > +[Depex]
> > + TRUE
> > diff --git a/Features/ManageabilityPkg/Universal/IpmiBmcElog/BmcElog.c
> b/Features/ManageabilityPkg/Universal/IpmiBmcElog/BmcElog.c
> > new file mode 100644
> > index 0000000000..ab179e9d49
> > --- /dev/null
> > +++ b/Features/ManageabilityPkg/Universal/IpmiBmcElog/BmcElog.c
> > @@ -0,0 +1,192 @@
> > +/** @file
> > + BMC Event Log functions.
> > +
> > +Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>
> > +SPDX-License-Identifier: BSD-2-Clause-Patent
> > +
> > +**/
> > +
> > +#include <Uefi.h>
> > +#include <Library/BaseLib.h>
> > +#include <Library/DebugLib.h>
> > +#include <Library/BaseMemoryLib.h>
> > +#include <Library/MemoryAllocationLib.h>
> > +#include <Library/UefiBootServicesTableLib.h>
> > +#include <Library/UefiRuntimeServicesTableLib.h>
> > +#include <Library/IpmiCommandLib.h>
> > +
> > +EFI_STATUS
> > +EFIAPI
> > +CheckIfSelIsFull (
> > + VOID
> > + );
> > +
> > +/**
> > + This function erases event logs and waits unti complete.
> unti -> until
> > +
> > + @param [in] ResvId - Reserved ID
> > +
> > + @retval EFI_STATUS EFI_SUCCESS
> > + EFI_NO_RESPONSE
> > +
> > +**/
> > +EFI_STATUS
> > +WaitTillErased (
> > + IN UINT8 *ResvId
> > + )
> > +{
> > + INTN Counter;
> > + IPMI_CLEAR_SEL_REQUEST ClearSel;
> > + IPMI_CLEAR_SEL_RESPONSE ClearSelResponse;
> > +
> > + Counter = 0x200;
> > + ZeroMem (&ClearSelResponse, sizeof (ClearSelResponse));
> > +
> > + while (TRUE) {
> > + ZeroMem (&ClearSel, sizeof (ClearSel));
> > + ClearSel.Reserve[0] = ResvId[0];
> > + ClearSel.Reserve[1] = ResvId[1];
> > + ClearSel.AscC = 0x43;
> > + ClearSel.AscL = 0x4C;
> > + ClearSel.AscR = 0x52;
> > + ClearSel.Erase = 0x00;
> > +
> > + IpmiClearSel (
> > + &ClearSel,
> > + &ClearSelResponse
> > + );
> > +
> > + if ((ClearSelResponse.ErasureProgress & 0xf) == 1) {
> > + return EFI_SUCCESS;
> > + }
> > +
> > + //
> > + // If there is not a response from the BMC controller we need to return
> and not hang.
> > + //
> > + --Counter;
> > + if (Counter == 0x0) {
> > + return EFI_NO_RESPONSE;
> > + }
> > + }
> > +}
> > +
> > +/**
> > + This function activates BMC event log.
> > +
> > + @param [in] EnableElog Enable/Disable event log
> > + @param [out] ElogStatus return log status
> > +
> > + @retval EFI_STATUS
> > +
> > +**/
> > +EFI_STATUS
> > +EfiActivateBmcElog (
> > + IN BOOLEAN *EnableElog,
> > + OUT BOOLEAN *ElogStatus
> > + )
> > +{
> > + EFI_STATUS Status;
> > + UINT8 ElogStat;
> > + IPMI_SET_BMC_GLOBAL_ENABLES_REQUEST SetBmcGlobalEnables;
> > + IPMI_GET_BMC_GLOBAL_ENABLES_RESPONSE GetBmcGlobalEnables;
> > + UINT8 CompletionCode;
> > +
> > + Status = EFI_SUCCESS;
> > + ElogStat = 0;
> > +
> > + Status = IpmiGetBmcGlobalEnables (&GetBmcGlobalEnables);
> > + if (EFI_ERROR (Status)) {
> > + return Status;
> > + }
> > +
> > + if (EnableElog == NULL) {
> > + *ElogStatus =
> GetBmcGlobalEnables.GetEnables.Bits.SystemEventLogging;
> > + } else {
> > + if (Status == EFI_SUCCESS) {
> > + if (*EnableElog) {
> > + ElogStat = 1;
> > + }
> > +
> > + CopyMem (&SetBmcGlobalEnables, (UINT8 *)&GetBmcGlobalEnables
> + 1, sizeof (UINT8));
> > + SetBmcGlobalEnables.SetEnables.Bits.SystemEventLogging = ElogStat;
> > +
> > + Status = IpmiSetBmcGlobalEnables (&SetBmcGlobalEnables,
> &CompletionCode);
> > + }
> > + }
> > +
> > + return Status;
> > +}
> > +
> > +/**
> > +
> > + @retval EFI_STATUS
> > +
> > +**/
> > +EFI_STATUS
> > +SetElogRedirInstall (
> > + VOID
> > + )
> > +{
> > + BOOLEAN EnableElog;
> > + BOOLEAN ElogStatus;
> > +
> > + //
> > + // Activate the Event Log (This should depend upon Setup).
> > + //
> > + EfiActivateBmcElog (&EnableElog, &ElogStatus);
> > + return EFI_SUCCESS;
> > +}
> > +
> > +/**
> > + Entry point of BmcElog DXE driver
> > +
> > + @param [in] ImageHandle ImageHandle of the loaded driver
> > + @param [in] SystemTable Pointer to the System Table
> > +
> > + @retval EFI_STATUS
> > +
> > +**/
> > +EFI_STATUS
> > +EFIAPI
> > +InitializeBmcElogLayer (
> > + IN EFI_HANDLE ImageHandle,
> > + IN EFI_SYSTEM_TABLE *SystemTable
> > + )
> > +{
> > + SetElogRedirInstall ();
> > +
> > + CheckIfSelIsFull ();
> > +
> > + return EFI_SUCCESS;
> > +}
> > +
> > +/**
> > + This function verifies the BMC SEL is full and When it is
> > + reports the error to the Error Manager.
> > +
> > + @retval EFI_STATUS
> > +
> > +**/
> > +EFI_STATUS
> > +EFIAPI
> > +CheckIfSelIsFull (
> > + VOID
> > + )
> > +{
> > + EFI_STATUS Status;
> > + UINT8 SelIsFull;
> > + IPMI_GET_SEL_INFO_RESPONSE SelInfo;
> > +
> > + Status = IpmiGetSelInfo (&SelInfo);
> > + if (EFI_ERROR (Status)) {
> > + return EFI_DEVICE_ERROR;
> > + }
> > +
> > + //
> > + // Check the Bit7 of the OperationByte if SEL is OverFlow.
> > + //
> > + SelIsFull = (SelInfo.OperationSupport & 0x80);
> > + DEBUG ((DEBUG_INFO, "SelIsFull - 0x%x\n", SelIsFull));
> > +
> > + return EFI_SUCCESS;
> > +}
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