From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krishna Konda Subject: Re: Fwd: [PATCH v3 0/5] mmc: Add access to RPMB partition Date: Wed, 14 Nov 2012 13:14:08 -0800 Message-ID: <1352927648.5856.14.camel@kkonda-linux.qualcomm.com> References: <1344265951-22437-1-git-send-email-loic.pallardy-ext@stericsson.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from wolverine01.qualcomm.com ([199.106.114.254]:36920 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423482Ab2KNVOQ (ORCPT ); Wed, 14 Nov 2012 16:14:16 -0500 In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: loic.pallardy-ext@stericsson.com, cjb@laptop.org, linux-mmc@vger.kernel.org Cc: linus.walleij@linaro.org, STEricsson_nomadik_linux@list.st.com, ulf.hansson@stericcson.com On Wed, 2012-11-14 at 12:58 -0800, Krishna Konda wrote: > From: Loic Pallardy > Date: Mon, Aug 6, 2012 at 8:12 AM > Subject: [PATCH v3 0/5] mmc: Add access to RPMB partition > To: linux-mmc@vger.kernel.org, Chris Ball > Cc: Linus Walleij , STEricsson_nomadik_linux > , Ulf Hansson > , Loic Pallardy > > > > The goal of this patchserie is to offer access to MMC RPMB > (Replay Protected Memory Block) partition. > The RPMB partition is used in general to store some secure data. > It is accessible through a trusted mechanism described in > JEDEC standard JESD84-A441. > > This patchserie proposes following modifications: > - detect RPMB capability and create RPMB block device if supported > - extend MMC sysfs to provide access to RPMB partition size and > reliable write sector count (information needed by user space to > acces RPMB partition) > - update IOCTL to support RPMB access. This includes automatic > partition > switch and sending of Set Block Count (CMD23) message. > > RPMB partition becomes accessible using standard IOCTL interface. > Patches don't include trusted mechanism or any verification. > It is user space or secure application responsability to provide the > right > command and the entire data frame as defined by JEDEC standard. > --- > Changes in v2: > - Correction in patch 2: mmc: card: Do not scan RPMB partitions > Remove GENHD_FL_EXT_DEVT flag > > Changes in v3: > - Add acked-by and reviewed-by tags > --- > Loic Pallardy (5): > mmc: core: Expose access to RPMB partition > mmc: card: Do not scan RPMB partitions > mmc: core: Extend sysfs to ext_csd parameters for RPMB support > mmc: core: Add mmc_set_blockcount feature > mmc: card: Add RPMB support in IOCTL interface > > Documentation/mmc/mmc-dev-attrs.txt | 7 ++++ > drivers/mmc/card/block.c | 66 > +++++++++++++++++++++++++++++++++++++ > drivers/mmc/core/core.c | 14 ++++++++ > drivers/mmc/core/mmc.c | 15 +++++++++ > include/linux/mmc/card.h | 2 ++ > include/linux/mmc/core.h | 2 ++ > include/linux/mmc/mmc.h | 2 ++ > 7 files changed, 108 insertions(+) > Hi Loic, Chris, are there any plans to merge these patchsets? I did not see this in mmc-next. Thanks, Krishna Konda -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation