From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933114AbeCNGQP (ORCPT ); Wed, 14 Mar 2018 02:16:15 -0400 Received: from mx-rz-2.rrze.uni-erlangen.de ([131.188.11.21]:33964 "EHLO mx-rz-2.rrze.uni-erlangen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751272AbeCNGQO (ORCPT ); Wed, 14 Mar 2018 02:16:14 -0400 Authentication-Results: mx-rz-2.rrze.uni-erlangen.de; dkim=none reason="no signature"; dkim-adsp=none (unprotected policy); dkim-atps=neutral X-Quarantine-ID: X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" X-RRZE-Flag: Not-Spam X-RRZE-Submit-IP: 2003:d5:3e7:2500:bfbd:dba3:49d6:7204 From: Jonas Rabenstein To: Jonas Rabenstein , Scott Bauer , Jonathan Derrick , Jens Axboe Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 8.0/8.4] block: sed-opal: check size of shadow mbr Date: Wed, 14 Mar 2018 07:15:41 +0100 Message-Id: X-Mailer: git-send-email 2.16.1 In-Reply-To: <20180313154416.sgptuw7jcn7l76vn@sbauer-Z170X-UD5> References: <20180313154416.sgptuw7jcn7l76vn@sbauer-Z170X-UD5> References: <20180313154416.sgptuw7jcn7l76vn@sbauer-Z170X-UD5> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I managed to extract the usable shadow mbr size out of my 850Evos OPAL_TABLE_TABLE and added an appropriate check into the write function. As this involves more than just a few lines, I decided to split the v2 of this subpatch into 4 separate patches. I am unsure what whould be the best practice for such an situation but hope it is okay like this. Also the userspace exported pointer is replaced with an u64 value. Jonas Rabenstein (4): block: sed-opal: ioctl for writing to shadow mbr block: sed-opal: unify retrieval of table columns block: sed-opal: get metadata about opal-sed tables block: sed-opal: check size of shadow mbr block/opal_proto.h | 18 ++++ block/sed-opal.c | 245 ++++++++++++++++++++++++++++-------------- include/linux/sed-opal.h | 1 + include/uapi/linux/sed-opal.h | 8 ++ 4 files changed, 189 insertions(+), 83 deletions(-) -- 2.16.1