From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: Re: [PATCH 0/3] mmc: Support FFU for eMMC v5.0 Date: Tue, 11 Nov 2014 12:33:22 +0900 Message-ID: <54618382.6080302@samsung.com> References: <1415639607-32711-1-git-send-email-avi.shchislowski@sandisk.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout1.samsung.com ([203.254.224.24]:50165 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751298AbaKKDdX (ORCPT ); Mon, 10 Nov 2014 22:33:23 -0500 Received: from epcpsbgr4.samsung.com (u144.gpu120.samsung.co.kr [203.254.230.144]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NEU00GXEV7M6620@mailout1.samsung.com> for linux-mmc@vger.kernel.org; Tue, 11 Nov 2014 12:33:22 +0900 (KST) In-reply-to: <1415639607-32711-1-git-send-email-avi.shchislowski@sandisk.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Avi Shchislowski , ulf.hansson@linaro.org Cc: 'Chris Ball' , linux-mmc@vger.kernel.org, Alex.Lemberg@sandisk.com, gwendal@google.com, CPGS Hi, Subjects of Patch[1/3~3/3] are same, it can be confused. Best Regards, Jaehoon Chung On 11/11/2014 02:13 AM, Avi Shchislowski wrote: > he Field Firmware Update (FFU) feature is new for eMMC 5.0 spec (Jedec: > JESD84-B50.pdf) > > http://www.jedec.org/standards-documents/technology-focus-areas/flash- > memory-ssds-ufs-emmc/e-mmc > > *New ioctl has been add: > * [Alex Lemberg] "MMC_FFU_INVOKE - transfer the new Firmware data from user spac[Alex Lemberg]space > to the eMMC deivce and install the new image[Alex Lemberg] firmware. > * This solution allows to: > - Complete eMMC 5.0 FFU procedure as an atomic operation, without being interrupted by other IO requests > - Not limited Firmware data size. Using Multiple Write operations. > - Support of both EXT_CSD_MODE_OPERATION_CODES modes [Alex Lemberg] > * The solution is using "udev" device manager to transfer FW data from user space to eMMC driver [Alex Lemberg] > * Pre-existing functions from mmc_test were used in this solution. > > Signed-off-by: Avi Shchislowski > Signed-off-by: Alex Lemberg > > Avi Shchislowski (3): > mmc: Support FFU for eMMC v5.0 > mmc: Support FFU for eMMC v5.0 > mmc: Support FFU for eMMC v5.0 > > drivers/mmc/card/Kconfig | 8 + > drivers/mmc/card/block.c | 5 + > drivers/mmc/card/mmc_test.c | 97 +-------- > drivers/mmc/core/Makefile | 1 + > drivers/mmc/core/core.c | 128 ++++++++++++ > drivers/mmc/core/mmc.c | 9 + > drivers/mmc/core/mmc_ffu.c | 487 +++++++++++++++++++++++++++++++++++++++++++ > include/linux/mmc/card.h | 2 + > include/linux/mmc/core.h | 30 +++ > include/linux/mmc/mmc.h | 9 + > 10 files changed, 690 insertions(+), 86 deletions(-) > create mode 100644 drivers/mmc/core/mmc_ffu.c >