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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E48ECC32793 for ; Tue, 16 Aug 2022 10:20:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233767AbiHPKUz (ORCPT ); Tue, 16 Aug 2022 06:20:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234330AbiHPKUT (ORCPT ); Tue, 16 Aug 2022 06:20:19 -0400 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D9CFD8 for ; Tue, 16 Aug 2022 01:18:07 -0700 (PDT) Received: by mail-pf1-x429.google.com with SMTP id f192so8730179pfa.9 for ; Tue, 16 Aug 2022 01:18:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc; bh=yiBicl/xtck+sUvDa6HbwVr3KCpBiQ3kP9sWsGd0v+M=; b=uT3jiYPYFRn7lq9viYTDzroDVdXL8pYjwBzK6ZhdPWJ3ales5ct7XINz7ercxdfD7Y rvax/AK/RPxyH9Qyvj6cKGyu5Z9eSVcZeTL3ghWM02DMNeRTu1dNZ7beU/wveqK5kb+b cgTDsiraqeHQID8d9ZRhhEi710zRj0h9tNoJIy/ZIZdDiEU/5Tq3uSnDDCMR184RYyCg LVWxI+KwzGdKQ6ji/qPZRP+nel4pcCCfqXweiR63F69BqC+Nt+6QIM31Ab1sSdW2FTPk LjcGqOsRMi5qhAbnOjRjnE/4ICeEvzLIfRc/1JoVKPEsJ2GoYjX+SmVkYwcf+ocJax8W K0eQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc; bh=yiBicl/xtck+sUvDa6HbwVr3KCpBiQ3kP9sWsGd0v+M=; b=yvf5DnomuBXwAaYPY5WEmsUb6g3RLToM+q2CNj8t0EHybnpQYLAozArYnm4bVj5Yzp 4eGQj4JqTXYJx0I5EWrZbSVXxapt0tJ125N1k63wVA+ZT86R3peSnPIg3RhbpugYzlhq T25n72TlUNvgIwQpwvSKgqZSJyDHVvPxw2DQdB0sT/ck8080mSm1VhB5KuadHiZgtcrU dA184rQTjx1ywhsZlqJLITeh+LIgy5djPVU11YWRAL5xEWPd7Xk9kuGnJWVmi6XOLBwj Eq4QVqR3hLapqFo2dwo7+vRvXuzXlw956mUdPKNNz4Zovq5NFPXo9j7ImVprV0SRTy/K 0/wQ== X-Gm-Message-State: ACgBeo0k5NsMLH5nA+k0c2a/1+KWIIy0bW8jiFV2py2vrxM8qH30+sCJ AV4xdYjs17KorJUaGCYvf9ZxAPUpWjrCLCPWfrU53g== X-Google-Smtp-Source: AA6agR7a2co2/3EHjLJWWfyl0Y9FC9Qup8Vvr947CQmLmaKAXgb15xFZYz1xNiLfRaHjV9zeEjmoSBme+mzy7PUZf/A= X-Received: by 2002:a63:e217:0:b0:41a:69b1:a68e with SMTP id q23-20020a63e217000000b0041a69b1a68emr16488504pgh.428.1660637887011; Tue, 16 Aug 2022 01:18:07 -0700 (PDT) MIME-Version: 1.0 References: <20220812143055.12938-1-olivier.masse@nxp.com> In-Reply-To: <20220812143055.12938-1-olivier.masse@nxp.com> From: Jens Wiklander Date: Tue, 16 Aug 2022 10:17:56 +0200 Message-ID: Subject: Re: [PATCH v2 0/1] tee: Add tee_shm_register_fd To: Olivier Masse Cc: etienne.carriere@linaro.org, sumit.garg@linaro.org, sumit.semwal@linaro.org, christian.koenig@amd.com, op-tee@lists.trustedfirmware.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, clement.faure@nxp.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi Olivier, On Fri, Aug 12, 2022 at 4:31 PM Olivier Masse wrote: > > Add a new ioctl called TEE_IOC_SHM_REGISTER_FD to register a > shared memory from a dmabuf file descriptor. > This new ioctl will allow the Linux Kernel to register a buffer > to be used by the Secure Data Path OPTEE OS feature. > > Please find more information here: > https://static.linaro.org/connect/san19/presentations/san19-107.pdf > > Patch tested on Hikey 6220. What's new in this V2? Thanks, Jens > > Etienne Carriere (1): > tee: new ioctl to a register tee_shm from a dmabuf file descriptor > > drivers/tee/tee_core.c | 38 +++++++++++++++ > drivers/tee/tee_shm.c | 99 +++++++++++++++++++++++++++++++++++++++- > include/linux/tee_drv.h | 11 +++++ > include/uapi/linux/tee.h | 29 ++++++++++++ > 4 files changed, 175 insertions(+), 2 deletions(-) > > -- > 2.25.0 >