From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BBFE3C433DB for ; Tue, 16 Mar 2021 14:35:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8209C6507D for ; Tue, 16 Mar 2021 14:35:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236611AbhCPOf1 (ORCPT ); Tue, 16 Mar 2021 10:35:27 -0400 Received: from foss.arm.com ([217.140.110.172]:43752 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235436AbhCPOe5 (ORCPT ); Tue, 16 Mar 2021 10:34:57 -0400 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 CB01BD6E; Tue, 16 Mar 2021 07:34:56 -0700 (PDT) Received: from bogus (unknown [10.163.66.95]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9B9DB3F792; Tue, 16 Mar 2021 07:34:53 -0700 (PDT) Date: Tue, 16 Mar 2021 14:34:41 +0000 From: Sudeep Holla To: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Jens Wiklander Cc: Trilok Soni , arve@android.com, Andrew Walbran , David Hartley , Sudeep Holla , Achin Gupta , Arunachalam Ganapathy , Marc Bonnici Subject: Re: [PATCH v4 0/7] firmware: Add initial support for Arm FF-A Message-ID: <20210316143429.tdyyulkml4ypdixy@bogus> References: <20210212154614.38604-1-sudeep.holla@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210212154614.38604-1-sudeep.holla@arm.com> User-Agent: NeoMutt/20171215 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Jens, On Fri, Feb 12, 2021 at 03:46:07PM +0000, Sudeep Holla wrote: > Hi all, > > This is very basic implementation for in-kernel support for Arm FF-A > specification. > > Arm Firmware Framework for Armv8-A specification[1] describes a software > architecture that provides mechanism to utilise the virtualization > extension to isolate software images and describes interfaces that > standardize communication between the various software images. This > includes communication between images in the Secure and Normal world. > > The main idea here is to create FFA device to establish any communication > with a secure partition. This is currently tested with OPTEE(with changes > to OPTEE driver adding FFA as transport) > Since you reviewed the last version, it would be helpful if you provide Reviewed-by or Tested-by if you happy with this version. I would like to get this initial version merged for v5.13 -- Regards, Sudeep From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7523C433E0 for ; Tue, 16 Mar 2021 14:36:32 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4BF836507B for ; Tue, 16 Mar 2021 14:36:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4BF836507B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=iKQCjuvPWd5mF9gJ1If2TDBM0QEHaK9DAYhaLF06avQ=; b=Ft3Xm2bi3mLKTTcoJu5zCSWsb pIWf4SNtMA/NXQ1TbG8Y2j14Aa/i4iuT0E3eHdCn1lxomBV6DeOrQifRwbZh5t8lz8805ko1SnQDV SMeVldsJbWzdkVt/OgYJLAT63A7w8vKFKvTfSgQ2sAdp2LQ4WHBdYQO1bnDqR0h19Zx6JHygFuZB9 pYVCRKX42YyyW2rJfkAIvgMZUBYxtCnuZXNmSztK3Bfj116zyi6IQI7yqAQV2vPaRd/tVmPGjtMl7 +0j0sOXrHNDc3h0veujEPem9znQrM/5b12sejo3U/6+IZ9IvkFBqTdYjmDLsrOWZeTeg5S95Yn8n/ j6Y+cQWxw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lMAmm-000xm0-Kp; Tue, 16 Mar 2021 14:35:07 +0000 Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lMAmi-000xl7-TC for linux-arm-kernel@lists.infradead.org; Tue, 16 Mar 2021 14:35:02 +0000 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 CB01BD6E; Tue, 16 Mar 2021 07:34:56 -0700 (PDT) Received: from bogus (unknown [10.163.66.95]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9B9DB3F792; Tue, 16 Mar 2021 07:34:53 -0700 (PDT) Date: Tue, 16 Mar 2021 14:34:41 +0000 From: Sudeep Holla To: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Jens Wiklander Cc: Trilok Soni , arve@android.com, Andrew Walbran , David Hartley , Sudeep Holla , Achin Gupta , Arunachalam Ganapathy , Marc Bonnici Subject: Re: [PATCH v4 0/7] firmware: Add initial support for Arm FF-A Message-ID: <20210316143429.tdyyulkml4ypdixy@bogus> References: <20210212154614.38604-1-sudeep.holla@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210212154614.38604-1-sudeep.holla@arm.com> User-Agent: NeoMutt/20171215 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210316_143501_179407_0D680F22 X-CRM114-Status: GOOD ( 12.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Jens, On Fri, Feb 12, 2021 at 03:46:07PM +0000, Sudeep Holla wrote: > Hi all, > > This is very basic implementation for in-kernel support for Arm FF-A > specification. > > Arm Firmware Framework for Armv8-A specification[1] describes a software > architecture that provides mechanism to utilise the virtualization > extension to isolate software images and describes interfaces that > standardize communication between the various software images. This > includes communication between images in the Secure and Normal world. > > The main idea here is to create FFA device to establish any communication > with a secure partition. This is currently tested with OPTEE(with changes > to OPTEE driver adding FFA as transport) > Since you reviewed the last version, it would be helpful if you provide Reviewed-by or Tested-by if you happy with this version. I would like to get this initial version merged for v5.13 -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel