From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 01 Dec 2023 11:41:44 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1r90xr-00Fjln-2E for lore@lore.pengutronix.de; Fri, 01 Dec 2023 11:41:44 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1r90xr-0001ty-KC for lore@pengutronix.de; Fri, 01 Dec 2023 11:41:44 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:From:In-Reply-To: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=dW2si1dUIo8LPt5RRvZmHAvHkwRnxMbwj204aVQUyVA=; b=bsIIPCKPpaYcngzkCeXNRRGP5O O14OO3PIcbnUZz84G+sTPYkjDg1Ng1f1Rre4r7+0YotF7/X7P+MI43p6cZ37bq9vpImu3xvHSldfM LZzror7FAiWkVf+Pdl4KOyl+V7NtcG30XIPbdKOcFipln90MQnpinuyLoru9IQVRxrFzNtomhlolQ RidYw5y2REkSXFHefcECHV68DCOQFtcSRSNAS/mTELzGO0i39RhYAGSdynhlEHHjHyUziHMWt3MYN w2t1wVuOUbmMT0Rg9VwIILeo/ihzwAqf+tQWKvH2YL5uXiUmxt7IPY3Sy+YIP224qrTi0y4pji0wp E/ZXWujA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r90w9-00DEcE-1c; Fri, 01 Dec 2023 10:39:57 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r90w5-00DEah-2f for barebox@lists.infradead.org; Fri, 01 Dec 2023 10:39:56 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1r90w3-0001Yo-0D; Fri, 01 Dec 2023 11:39:51 +0100 Received: from [2a0a:edc0:2:b01:1d::c0] (helo=ptx.whiteo.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1r90w2-00Cpd5-K4; Fri, 01 Dec 2023 11:39:50 +0100 Received: from sha by ptx.whiteo.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1r90w2-004jnz-Hy; Fri, 01 Dec 2023 11:39:50 +0100 Date: Fri, 1 Dec 2023 11:39:50 +0100 To: Ahmad Fatoum Cc: barebox@lists.infradead.org Message-ID: <20231201103950.GB1057032@pengutronix.de> References: <20231127063559.2205776-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231127063559.2205776-1-a.fatoum@pengutronix.de> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain User-Agent: Mutt/1.10.1 (2018-07-13) From: Sascha Hauer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231201_023953_861990_51628005 X-CRM114-Status: GOOD ( 21.88 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 0/8] optee: add bidirectional communication support X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Mon, Nov 27, 2023 at 07:35:51AM +0100, Ahmad Fatoum wrote: > So far, barebox interaction by OP-TEE was limited to loading it and > maybe passing along its device tree fixup. In some scenarios, there > is a lot more that could need to be done however: > > - Access to eMMC RPMB memory > - Access to keys stored in OP-TEE, e.g. in Trusted Keys TA or > in fTPM > - Access to hardware managed by OP-TEE via e.g. PRNG TA > > Let's prepare for all that by importing the Linux v6.6 OP-TEE support > into barebox. This series has been tested on STM3MP15 and STM32MP13 > 32-bit ARM SoCs, where OP-TEE functioned as SCMI provider, restricting > access to some clocks, resets and regulators deemed too important to > let pesky normal world have direct access to them. > > Ahmad Fatoum (5): > driver: don't clear unrelated struct device_node::device on unregister > deep-probe: don't panic when device can't be created > deep-probe: skip on-demand platform dev creation for nodes without > compatible > devinfo: indicate if device tree nodes are differently populated > hw_random: add implementation for OP-TEE RNG pseudo TA > > Marc Kleine-Budde (3): > include: uaccess.h: import from linux > optee: add bidirectional communication support > optee: add experimental support for /dev/tee0 Applied, thanks Sascha > > commands/devinfo.c | 13 +- > common/Kconfig | 5 + > drivers/Kconfig | 1 + > drivers/Makefile | 2 +- > drivers/base/driver.c | 7 +- > drivers/hw_random/Kconfig | 9 + > drivers/hw_random/Makefile | 1 + > drivers/hw_random/optee-rng.c | 302 ++++++++++ > drivers/of/platform.c | 13 +- > drivers/tee/Kconfig | 17 + > drivers/tee/Makefile | 5 + > drivers/tee/optee/Kconfig | 29 + > drivers/tee/optee/Makefile | 8 + > drivers/tee/optee/call.c | 239 ++++++++ > drivers/tee/optee/core.c | 68 +++ > drivers/tee/optee/device.c | 174 ++++++ > drivers/tee/optee/{of.c => of_fixup.c} | 0 > drivers/tee/optee/optee_msg.h | 295 +++++++++ > drivers/tee/optee/optee_private.h | 179 ++++++ > drivers/tee/optee/optee_smc.h | 473 +++++++++++++++ > drivers/tee/optee/rpc.c | 16 + > drivers/tee/optee/smc_abi.c | 748 +++++++++++++++++++++++ > drivers/tee/tee_core.c | 801 +++++++++++++++++++++++++ > drivers/tee/tee_private.h | 50 ++ > drivers/tee/tee_shm.c | 338 +++++++++++ > include/asm-generic/uaccess.h | 205 +++++++ > include/linux/mod_devicetable.h | 10 + > include/linux/tee_drv.h | 418 +++++++++++++ > include/linux/uaccess.h | 38 ++ > include/uapi/linux/tee.h | 407 +++++++++++++ > 30 files changed, 4860 insertions(+), 11 deletions(-) > create mode 100644 drivers/hw_random/optee-rng.c > create mode 100644 drivers/tee/Kconfig > create mode 100644 drivers/tee/Makefile > create mode 100644 drivers/tee/optee/Kconfig > create mode 100644 drivers/tee/optee/Makefile > create mode 100644 drivers/tee/optee/call.c > create mode 100644 drivers/tee/optee/core.c > create mode 100644 drivers/tee/optee/device.c > rename drivers/tee/optee/{of.c => of_fixup.c} (100%) > create mode 100644 drivers/tee/optee/optee_msg.h > create mode 100644 drivers/tee/optee/optee_private.h > create mode 100644 drivers/tee/optee/optee_smc.h > create mode 100644 drivers/tee/optee/rpc.c > create mode 100644 drivers/tee/optee/smc_abi.c > create mode 100644 drivers/tee/tee_core.c > create mode 100644 drivers/tee/tee_private.h > create mode 100644 drivers/tee/tee_shm.c > create mode 100644 include/asm-generic/uaccess.h > create mode 100644 include/linux/tee_drv.h > create mode 100644 include/linux/uaccess.h > create mode 100644 include/uapi/linux/tee.h > > -- > 2.39.2 > > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |