From nobody Sat Feb 7 06:55:18 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+106812+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+106812+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=arm.com ARC-Seal: i=1; a=rsa-sha256; t=1689086257; cv=none; d=zohomail.com; s=zohoarc; b=TfN49LdtJShBbww4ZC2GAU8GPMDGCEdzgPqtEvubGhDSYfQZIPpU7/y6xs1+1+jh2dx+lW+rSXMTrehBDqts1xGMsSfhk023uvcSauiQDZ0ujssxffi+S7lpJl6/8Yv0izr8cQaJDBtHYPMT/bDZ1QlDBzEeGukLD+4Nec7C/3g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1689086257; 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=gtKAGumGtZrbZRVi+C2v7TwPSF2IFcvPxl90d3LBI4M=; b=RHKhmMoMtmZlYpBTu/YAKkc+kSlLRlVmqLOIOO0iSYLvbE6a+zQQvgAuaTs2ef70DyCZZgYZuPEXPXY5FRg1EJtC5xtSekCh0W2sPOGBdMWg94R4jZ8QAyN/af4oZS5hkkpUzGnKKS+eamb3mQXKdFpQeqe4yDzJ8Ma5Cj7iFsw= 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+106812+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 1689086257301404.0836192212066; Tue, 11 Jul 2023 07:37:37 -0700 (PDT) Return-Path: DKIM-Signature: a=rsa-sha256; bh=GElSZwfgmOGotpdDWtNI0KCDmnm8B1AyO6lbvQO3gc8=; c=relaxed/simple; d=groups.io; h=X-Received:X-Received:X-Received:X-Received:From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:MIME-Version:Precedence:List-Unsubscribe:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:X-Gm-Message-State:Content-Transfer-Encoding; s=20140610; t=1689086256; v=1; b=vOW1DTnrB+6Ft9IPcVLfjs/+jXKQm5UB5dlL1J55G9lPbXL+ea4Ls+lZIO+obnMPd4kfAbvt 1myeScdX+Xvbxbo9nBXM3zIB391Vix9/CVcodW6KpE113w1K7FyAIGkOmnqI6WEnvTtqjC0j3Ko L2n7KnfIoXeSKvMmwwkzL/DA= X-Received: by 127.0.0.2 with SMTP id j1y2YY1788612xDolkLqfYjj; Tue, 11 Jul 2023 07:37:36 -0700 X-Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web10.1284.1689086256208468876 for ; Tue, 11 Jul 2023 07:37:36 -0700 X-Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 306D71FB; Tue, 11 Jul 2023 07:38:18 -0700 (PDT) X-Received: from usa.arm.com (iss-desktop02.cambridge.arm.com [10.1.196.79]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 1288B3F740; Tue, 11 Jul 2023 07:37:34 -0700 (PDT) From: "Nishant Sharma" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Sami Mujawar , Thomas Abraham , Sayanta Pattanayak , Achin Gupta Subject: [edk2-devel] [edk2-platforms][PATCH V1 20/20] StandaloneMmPkg: Add support for MM requests as FF-A direct messages Date: Tue, 11 Jul 2023 15:36:58 +0100 Message-Id: <20230711143658.781597-21-nishant.sharma@arm.com> In-Reply-To: <20230711143658.781597-1-nishant.sharma@arm.com> References: <20230711143658.781597-1-nishant.sharma@arm.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,nishant.sharma@arm.com X-Gm-Message-State: YGFbYoHiNtjo5jRnm2wkgpAex1787277AA= Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1689086258753100079 Content-Type: text/plain; charset="utf-8" From: Achin Gupta This patch adds support for correctly receiving a request for a Standalome MM driver service using the MM communication protocol packaged as an FF-A direct request message. Signed-off-by: Achin Gupta Signed-off-by: Nishant Sharma --- StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/StandaloneMmCoreEnt= ryPoint.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/Standal= oneMmCoreEntryPoint.c b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/= Arm/StandaloneMmCoreEntryPoint.c index a763bf8509b2..e0987cba21f9 100644 --- a/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/StandaloneMmCo= reEntryPoint.c +++ b/StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/Arm/StandaloneMmCo= reEntryPoint.c @@ -198,6 +198,8 @@ DelegatedEventLoop ( BOOLEAN FfaEnabled; EFI_STATUS Status; UINTN SvcStatus; + UINT16 SenderPartId; + UINT16 ReceiverPartId; =20 while (TRUE) { ArmCallSvc (EventCompleteSvcArgs); @@ -214,9 +216,12 @@ DelegatedEventLoop ( =20 FfaEnabled =3D FixedPcdGet32 (PcdFfaEnable !=3D 0); if (FfaEnabled) { + SenderPartId =3D EventCompleteSvcArgs->Arg1 >> 16; + ReceiverPartId =3D EventCompleteSvcArgs->Arg1 & 0xffff; Status =3D CpuDriverEntryPoint ( EventCompleteSvcArgs->Arg0, - EventCompleteSvcArgs->Arg6, + // Assume CPU number 0 + 0, EventCompleteSvcArgs->Arg3 ); if (EFI_ERROR (Status)) { @@ -266,7 +271,7 @@ DelegatedEventLoop ( =20 if (FfaEnabled) { EventCompleteSvcArgs->Arg0 =3D ARM_SVC_ID_FFA_MSG_SEND_DIRECT_RESP; - EventCompleteSvcArgs->Arg1 =3D 0; + EventCompleteSvcArgs->Arg1 =3D ReceiverPartId << 16 | SenderPartId; EventCompleteSvcArgs->Arg2 =3D 0; EventCompleteSvcArgs->Arg3 =3D ARM_SVC_ID_SP_EVENT_COMPLETE; EventCompleteSvcArgs->Arg4 =3D SvcStatus; --=20 2.34.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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