From nobody Mon Feb 9 11:33:24 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+100526+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+100526+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1677540638; cv=none; d=zohomail.com; s=zohoarc; b=WYalqAqp/52/A/tAvwxujH8hE9BH6QIXvzBUY0pgE0uZN8tRoVy5YIO2o1VdGyfN/GvQV3TLaGH2EoGOR48ZmiNVzaPRJOD3OVqCIvehVWK4jVQRJJix+D+bHyj9hVAIB41g1aNJ1aerTo+FGzB6LO5L5nnEG68Z9pdKq0NCJWI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1677540638; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=fREYx6nhFLtejTFsih7EuiMbk/1ig8LfQo6bE+4m7OI=; b=ZTMMed+kDAf6HajQMjUHJNX9SulVYOHaH45Gm/cs7lLfGAuAPLEF+qFeGxq08FkLEOUtnMbp3ocJf8gI+XEfByjMT5KKCK8NEZ8RxIU/W9O9Vyl0CRo9VAcHTGI34pIUOXK2pMKrTZ5FtTUqCqrwbk9pgPf5sY+U49APPREQnRE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+100526+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1677540638204646.5517878970346; Mon, 27 Feb 2023 15:30:38 -0800 (PST) Return-Path: X-Received: by 127.0.0.2 with SMTP id 99w0YY1788612xRPQOL4aEEu; Mon, 27 Feb 2023 15:30:37 -0800 X-Received: from mail-lj1-f175.google.com (mail-lj1-f175.google.com [209.85.208.175]) by mx.groups.io with SMTP id smtpd.web10.10603.1677540635720224145 for ; Mon, 27 Feb 2023 15:30:36 -0800 X-Received: by mail-lj1-f175.google.com with SMTP id g18so6153974ljl.3 for ; Mon, 27 Feb 2023 15:30:35 -0800 (PST) X-Gm-Message-State: atyxQjrzsXYv6LH1r53RIM0Wx1787277AA= X-Google-Smtp-Source: AK7set/cbx/tWiFdmm9QFjD68M3WVngM80DlQVlfgiq75l13++zjxBycV6J9Eh7CbNWNmMYKfGwaUA== X-Received: by 2002:a2e:c49:0:b0:294:7643:d686 with SMTP id o9-20020a2e0c49000000b002947643d686mr117880ljd.22.1677540633952; Mon, 27 Feb 2023 15:30:33 -0800 (PST) X-Received: from localhost.localdomain ([195.91.209.163]) by smtp.gmail.com with ESMTPSA id r8-20020a2eb608000000b002935006e487sm908453ljn.122.2023.02.27.15.30.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Feb 2023 15:30:33 -0800 (PST) From: "Mike Maslenkin" To: devel@edk2.groups.io Cc: Mike Maslenkin , Isaac Oram , Nate DeSimone , Liming Gao Subject: [edk2-devel] [PATCH edk2-platforms 2/3] IpmiFeaturePkg: remove buffer temporary buffer from BMC instance structure Date: Tue, 28 Feb 2023 02:27:56 +0300 Message-Id: <20230227232757.9312-3-mike.maslenkin@gmail.com> In-Reply-To: <20230227232757.9312-1-mike.maslenkin@gmail.com> References: <20230227232757.9312-1-mike.maslenkin@gmail.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,mike.maslenkin@gmail.com Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1677540637; bh=MSe3SY2a/gTaIqiESiEkzEePG4uQdxHPgti60UJAywI=; h=Cc:Date:From:Reply-To:Subject:To; b=GOWTYvmgLhCkddvx3VXY2eNoiNN8MjF4ayayY2bQkNVR5bzPubjuyKFSVnFDqYZ1dSC PYS3W1Rr/PsLb3h8meGJ6gH3DsUkIDNR6QEJj4QEEO0t3SWzAH26TJwa7imWmf/6KlWwX mVh2KFDfThFKFBMlbxQuXyBiilvxNkE4Cl8= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1677540639676100011 Content-Type: text/plain; charset="utf-8" There is no point to have temporary buffer in BMC instance data used only for synchronous IPMI command as a transfer buffer. Using local variables make things much simpler. Signed-off-by: Mike Maslenkin --- .../GenericIpmi/Common/IpmiBmc.c | 5 ++- .../GenericIpmi/Common/IpmiBmcCommon.h | 1 - .../IpmiFeaturePkg/GenericIpmi/Dxe/IpmiInit.c | 39 ++++++++++--------- .../GenericIpmi/Pei/PeiGenericIpmi.c | 11 +++--- .../GenericIpmi/Pei/PeiIpmiBmc.c | 5 ++- .../GenericIpmi/Pei/PeiIpmiBmcDef.h | 1 - 6 files changed, 33 insertions(+), 29 deletions(-) diff --git a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/= Common/IpmiBmc.c b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/Generi= cIpmi/Common/IpmiBmc.c index 03b8174e3786..a6be2f46e84e 100644 --- a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Common/= IpmiBmc.c +++ b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Common/= IpmiBmc.c @@ -101,6 +101,7 @@ Returns: IPMI_RESPONSE *IpmiResponse; UINT8 RetryCnt =3D IPMI_SEND_COMMAND_MAX_RETRY; UINT8 Index; + UINT8 TempData[MAX_TEMP_DATA]; =20 IpmiInstance =3D INSTANCE_FROM_SM_IPMI_BMC_THIS (This); =20 @@ -110,8 +111,8 @@ Returns: // response data. Since the command format is different from the resp= onse // format, the buffer is cast to both structure definitions. // - IpmiCommand =3D (IPMI_COMMAND*) IpmiInstance->TempData; - IpmiResponse =3D (IPMI_RESPONSE*) IpmiInstance->TempData; + IpmiCommand =3D (IPMI_COMMAND*) TempData; + IpmiResponse =3D (IPMI_RESPONSE*) TempData; =20 // // Send IPMI command to BMC diff --git a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/= Common/IpmiBmcCommon.h b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/= GenericIpmi/Common/IpmiBmcCommon.h index 1e5dfd81f1fb..06eab62aaec9 100644 --- a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Common/= IpmiBmcCommon.h +++ b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Common/= IpmiBmcCommon.h @@ -50,7 +50,6 @@ typedef struct { UINTN Signature; UINT64 KcsTimeoutPeriod; UINT8 SlaveAddress; - UINT8 TempData[MAX_TEMP_DATA]; BMC_STATUS BmcStatus; UINT64 ErrorStatus; UINT8 SoftErrorCount; diff --git a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/= Dxe/IpmiInit.c b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericI= pmi/Dxe/IpmiInit.c index aeaefaad642e..8a0c596a6434 100644 --- a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Dxe/Ipm= iInit.c +++ b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Dxe/Ipm= iInit.c @@ -84,6 +84,7 @@ Returns: UINT8 *TempPtr; UINT32 Retries; BOOLEAN bResultFlag =3D FALSE; + UINT8 TempData[MAX_TEMP_DATA]; =20 // // Get the SELF TEST Results. @@ -97,9 +98,9 @@ Returns: Retries =3D PcdGet8 (PcdIpmiBmcReadyDelayTimer); } =20 - DataSize =3D sizeof (IpmiInstance->TempData); + DataSize =3D sizeof (TempData); =20 - IpmiInstance->TempData[1] =3D 0; + TempData[1] =3D 0; =20 do { Status =3D IpmiSendCommand ( @@ -109,11 +110,11 @@ Returns: IPMI_APP_GET_SELFTEST_RESULTS, NULL, 0, - IpmiInstance->TempData, + TempData, &DataSize ); if (Status =3D=3D EFI_SUCCESS) { - switch (IpmiInstance->TempData[1]) { + switch (TempData[1]) { case IPMI_APP_SELFTEST_NO_ERROR: case IPMI_APP_SELFTEST_NOT_IMPLEMENTED: case IPMI_APP_SELFTEST_ERROR: @@ -146,7 +147,7 @@ Returns: IpmiInstance->BmcStatus =3D BMC_HARDFAIL; return Status; } else { - DEBUG ((EFI_D_INFO, "[IPMI] BMC self-test result: %02X-%02X\n", IpmiIn= stance->TempData[1], IpmiInstance->TempData[2])); + DEBUG ((DEBUG_INFO, "[IPMI] BMC self-test result: %02X-%02X\n", TempDa= ta[1], TempData[2])); // // Copy the Self test results to Error Status. Data will be copied as= long as it // does not exceed the size of the ErrorStatus variable. @@ -155,13 +156,13 @@ Returns: (Index < DataSize) && (Index < sizeof (IpmiInstance->ErrorStatus)= ); Index++, TempPtr++ ) { - *TempPtr =3D IpmiInstance->TempData[Index]; + *TempPtr =3D TempData[Index]; } // // Check the IPMI defined self test results. // Additional Cases are device specific test results. // - switch (IpmiInstance->TempData[1]) { + switch (TempData[1]) { case IPMI_APP_SELFTEST_NO_ERROR: case IPMI_APP_SELFTEST_NOT_IMPLEMENTED: IpmiInstance->BmcStatus =3D BMC_OK; @@ -173,7 +174,7 @@ Returns: // BootBlock Firmware corruption, and Operational Firmware Corrupt= ion. All // other errors are BMC soft failures. // - if ((IpmiInstance->TempData[2] & (IPMI_APP_SELFTEST_FRU_CORRUPT | = IPMI_APP_SELFTEST_FW_BOOTBLOCK_CORRUPT | IPMI_APP_SELFTEST_FW_CORRUPT)) != =3D 0) { + if ((TempData[2] & (IPMI_APP_SELFTEST_FRU_CORRUPT | IPMI_APP_SELFT= EST_FW_BOOTBLOCK_CORRUPT | IPMI_APP_SELFTEST_FW_CORRUPT)) !=3D 0) { IpmiInstance->BmcStatus =3D BMC_HARDFAIL; } else { IpmiInstance->BmcStatus =3D BMC_SOFTFAIL; @@ -181,7 +182,7 @@ Returns: // // Check if SDR repository is empty and report it if it is. // - if ((IpmiInstance->TempData[2] & IPMI_APP_SELFTEST_SDR_REPOSITORY_= EMPTY) !=3D 0) { + if ((TempData[2] & IPMI_APP_SELFTEST_SDR_REPOSITORY_EMPTY) !=3D 0)= { if (*ErrorCount < MAX_SOFT_COUNT) { StatusCodeValue[*ErrorCount] =3D EFI_COMPUTING_UNIT_FIRMWARE_P= ROCESSOR | CU_FP_EC_SDR_EMPTY; (*ErrorCount)++; @@ -244,6 +245,8 @@ Returns: SM_CTRL_INFO *pBmcInfo; IPMI_MSG_GET_BMC_EXEC_RSP *pBmcExecContext; UINT32 Retries; + UINT8 TempData[MAX_TEMP_DATA]; + #ifdef FAST_VIDEO_SUPPORT EFI_VIDEOPRINT_PROTOCOL *VideoPrintProtocol; EFI_STATUS VideoPrintStatus; @@ -266,16 +269,16 @@ Returns: // // Get the device ID information for the BMC. // - DataSize =3D sizeof (IpmiInstance->TempData); + DataSize =3D sizeof (TempData); while (EFI_ERROR (Status =3D IpmiSendCommand ( &IpmiInstance->IpmiTransport, IPMI_NETFN_APP, 0, IPMI_APP_GET_DEVICE_ID, NULL, 0, - IpmiInstance->TempData, &DataSize)) + TempData, &DataSize)) ) { DEBUG ((DEBUG_ERROR, "[IPMI] BMC does not respond by Get BMC DID (stat= us: %r), %d retries left, ResponseData: 0x%lx\n", - Status, Retries, IpmiInstance->TempData)); + Status, Retries, TempData)); =20 if (Retries-- =3D=3D 0) { IpmiInstance->BmcStatus =3D BMC_HARDFAIL; @@ -287,7 +290,7 @@ Returns: MicroSecondDelay (1*1000*1000); } =20 - pBmcInfo =3D (SM_CTRL_INFO*)&IpmiInstance->TempData[0]; + pBmcInfo =3D (SM_CTRL_INFO*)&TempData[0]; DEBUG ((EFI_D_ERROR, "[IPMI] BMC Device ID: 0x%02X, firmware version: %d= .%02X UpdateMode:%x\n", pBmcInfo->DeviceId, pBmcInfo->MajorFirmwareRev, pBm= cInfo->MinorFirmwareRev,pBmcInfo->UpdateMode)); // // In OpenBMC, UpdateMode: the bit 7 of byte 4 in get device id command = is used for the BMC status: @@ -303,10 +306,10 @@ Returns: IPMI_NETFN_FIRMWARE, 0, IPMI_GET_BMC_EXECUTION_CONTEXT, NULL, 0, - IpmiInstance->TempData, &DataSize + TempData, &DataSize ); =20 - pBmcExecContext =3D (IPMI_MSG_GET_BMC_EXEC_RSP*)&IpmiInstance->TempDat= a[0]; + pBmcExecContext =3D (IPMI_MSG_GET_BMC_EXEC_RSP*)&TempData[0]; DEBUG ((DEBUG_INFO, "[IPMI] Operational status of BMC: 0x%x\n", pBmcEx= ecContext->CurrentExecutionContext)); if ((pBmcExecContext->CurrentExecutionContext =3D=3D IPMI_BMC_IN_FORCE= D_UPDATE_MODE) && !EFI_ERROR (Status)) { @@ -324,12 +327,12 @@ Returns: IPMI_NETFN_APP, 0, IPMI_APP_GET_DEVICE_ID, NULL, 0, - IpmiInstance->TempData, &DataSize + TempData, &DataSize ); =20 if (!EFI_ERROR (Status)) { - pBmcInfo =3D (SM_CTRL_INFO*)&IpmiInstance->TempData[0]; - DEBUG ((EFI_D_ERROR, "[IPMI] UpdateMode Retries: %d pBmcInfo->= UpdateMode:%x, Status: %r, Response Data: 0x%lx\n",Retries, pBmcInfo->Updat= eMode, Status, IpmiInstance->TempData)); + pBmcInfo =3D (SM_CTRL_INFO*)&TempData[0]; + DEBUG ((DEBUG_ERROR, "[IPMI] UpdateMode Retries: %d pBmcInfo->= UpdateMode:%x, Status: %r, Response Data: 0x%lx\n",Retries, pBmcInfo->Updat= eMode, Status, TempData)); if (pBmcInfo->UpdateMode =3D=3D BMC_READY) { mIpmiInstance->BmcStatus =3D BMC_OK; return EFI_SUCCESS; diff --git a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/= Pei/PeiGenericIpmi.c b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/Ge= nericIpmi/Pei/PeiGenericIpmi.c index 3efb772b684f..e8b99b6900c5 100644 --- a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Pei/Pei= GenericIpmi.c +++ b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Pei/Pei= GenericIpmi.c @@ -288,6 +288,7 @@ Returns: UINT32 DataSize; SM_CTRL_INFO *pBmcInfo; UINTN Retries; + UINT8 TempData[MAX_TEMP_DATA]; =20 // // Set up a loop to retry for up to PcdIpmiBmcReadyDelayTimer seconds. C= alculate retries not timeout @@ -298,7 +299,7 @@ Returns: // // Get the device ID information for the BMC. // - DataSize =3D sizeof (mIpmiInstance->TempData); + DataSize =3D sizeof (TempData); while (EFI_ERROR (Status =3D PeiIpmiSendCommand ( &mIpmiInstance->IpmiTransportPpi, IPMI_NETFN_APP, @@ -306,7 +307,7 @@ Returns: IPMI_APP_GET_DEVICE_ID, NULL, 0, - mIpmiInstance->TempData, + TempData, &DataSize ))) { DEBUG ((EFI_D_ERROR, "[IPMI] BMC does not respond (status: %r), %d ret= ries left\n", @@ -322,7 +323,7 @@ Returns: // MicroSecondDelay (1*1000*1000); } - pBmcInfo =3D (SM_CTRL_INFO*) &mIpmiInstance->TempData[0]; + pBmcInfo =3D (SM_CTRL_INFO*) &TempData[0]; DEBUG ((DEBUG_INFO, "[IPMI PEI] BMC Device ID: 0x%02X, firmware version:= %d.%02X UpdateMode:%x\n", pBmcInfo->DeviceId, pBmcInfo->MajorFirmwareRev, pBmcInfo->MinorF= irmwareRev, pBmcInfo->UpdateMode)); // @@ -347,11 +348,11 @@ Returns: IPMI_APP_GET_DEVICE_ID, NULL, 0, - mIpmiInstance->TempData, + TempData, &DataSize ); if (!EFI_ERROR (Status)) { - pBmcInfo =3D (SM_CTRL_INFO*) &mIpmiInstance->TempData[0]; + pBmcInfo =3D (SM_CTRL_INFO*) &TempData[0]; DEBUG ((DEBUG_INFO, "[IPMI PEI] UpdateMode Retries:%x pBmcInfo->= UpdateMode:%x\n", Retries, pBmcInfo->UpdateMode)); if (pBmcInfo->UpdateMode =3D=3D BMC_READY) { mIpmiInstance->BmcStatus =3D BMC_OK; diff --git a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/= Pei/PeiIpmiBmc.c b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/Generi= cIpmi/Pei/PeiIpmiBmc.c index 32665b3e2244..dbe25421ae49 100644 --- a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Pei/Pei= IpmiBmc.c +++ b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Pei/Pei= IpmiBmc.c @@ -99,6 +99,7 @@ Returns: IPMI_COMMAND *IpmiCommand; IPMI_RESPONSE *IpmiResponse; UINT8 Index; + UINT8 TempData[MAX_TEMP_DATA]; =20 IpmiInstance =3D INSTANCE_FROM_PEI_SM_IPMI_BMC_THIS (This); =20 @@ -107,8 +108,8 @@ Returns: // response data. Since the command format is different from the respon= se // format, the buffer is cast to both structure definitions. // - IpmiCommand =3D (IPMI_COMMAND*) IpmiInstance->TempData; - IpmiResponse =3D (IPMI_RESPONSE*) IpmiInstance->TempData; + IpmiCommand =3D (IPMI_COMMAND*) TempData; + IpmiResponse =3D (IPMI_RESPONSE*) TempData; =20 // // Send IPMI command to BMC diff --git a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/= Pei/PeiIpmiBmcDef.h b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/Gen= ericIpmi/Pei/PeiIpmiBmcDef.h index 3fbe70ce629d..fc9fbacf1a2b 100644 --- a/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Pei/Pei= IpmiBmcDef.h +++ b/Features/Intel/OutOfBandManagement/IpmiFeaturePkg/GenericIpmi/Pei/Pei= IpmiBmcDef.h @@ -49,7 +49,6 @@ typedef struct { UINTN Signature; UINT64 KcsTimeoutPeriod; UINT8 SlaveAddress; - UINT8 TempData[MAX_TEMP_DATA]; BMC_STATUS BmcStatus; UINT64 ErrorStatus; UINT8 SoftErrorCount; --=20 2.35.3 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#100526): https://edk2.groups.io/g/devel/message/100526 Mute This Topic: https://groups.io/mt/97279449/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-