From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=anoo@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 45V7st18y6zDrG3; Fri, 21 Jun 2019 03:22:09 +1000 (AEST) Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5KH2ub2052679; Thu, 20 Jun 2019 13:22:06 -0400 Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0a-001b2d01.pphosted.com with ESMTP id 2t8e4v0t21-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Jun 2019 13:22:06 -0400 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id x5KH6cwT009015; Thu, 20 Jun 2019 17:22:05 GMT Received: from b03cxnp07029.gho.boulder.ibm.com (b03cxnp07029.gho.boulder.ibm.com [9.17.130.16]) by ppma04dal.us.ibm.com with ESMTP id 2t4ra6jyt2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Jun 2019 17:22:05 +0000 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x5KHM40Q59441412 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 20 Jun 2019 17:22:04 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2FAEFC6057; Thu, 20 Jun 2019 17:22:04 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0ECD4C605A; Thu, 20 Jun 2019 17:22:04 +0000 (GMT) Received: from ltc.linux.ibm.com (unknown [9.16.170.189]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 20 Jun 2019 17:22:03 +0000 (GMT) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 20 Jun 2019 12:23:43 -0500 From: Adriana Kobylak To: openbmc@lists.ozlabs.org Cc: openbmc Subject: Re: OpenBMC on eMMC NAND In-Reply-To: References: <2e42e3a31de54d202fb5a9d867414a87@linux.vnet.ibm.com> Message-ID: X-Sender: anoo@linux.ibm.com User-Agent: Roundcube Webmail/1.0.1 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-06-20_12:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906200124 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Jun 2019 17:22:10 -0000 On 2019-06-17 13:15, Adriana Kobylak wrote: > On 2019-06-17 11:26, Adriana Kobylak wrote: >> Hi all, >> >> Joel and I have been working on getting OpenBMC to run on an eMMC >> NAND. >> For the kernel, there'll be some patches coming to support it. >> For the rootfs, the proposal is to have an ext4 filesystem, and use >> lvm for volume management, which allows for dynamic partitioning. > > I'll be filling up a design doc to document this proposal. Also we > don't Design proposal up in the gerrit for review/comment[4]. > have documentation for the currently supported filesystems, so I'll be > pushing up new docs based on Milton's writeup[2] to document the > existing > implementations. The initial commit to propose a subdir to hold these > upcoming docs is in gerrit for review[3]. > >> For proof of concept, we're starting to build an ext4 BMC image for >> IBM's system Swift[1]. Up next is creating an initramfs that supports >> lvm, and update the code update apps to handle ext4 images and lvm >> volumes. Thinking of creating an 'lvm' or 'ext4' distro feature like >> the 'ubi' one to enable this new support during build time. >> Let us know if there are any opinions, questions, or interest. Look >> for updates on the mailing list as we continue to make progress. >> >> >> [1] https://gerrit.openbmc-project.xyz/c/openbmc/meta-ibm/+/22436 > > [2] https://lists.ozlabs.org/pipermail/openbmc/2017-August/008703.html > [3] https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/22666 [4] https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/22854