From patchwork Thu Jun 8 19:29:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Joyce X-Patchwork-Id: 13272813 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41B24C8300C for ; Thu, 8 Jun 2023 19:29:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230125AbjFHT3l (ORCPT ); Thu, 8 Jun 2023 15:29:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235957AbjFHT3h (ORCPT ); Thu, 8 Jun 2023 15:29:37 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C8FF2D77; Thu, 8 Jun 2023 12:29:33 -0700 (PDT) Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 358JMigb022717; Thu, 8 Jun 2023 19:29:22 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=l6VGKnMpb7HcR/ids8pl2nLjXlvBvwc5u/3q+Et+C3M=; b=Z3rTgaTjOFePHSS54Antf61Ep7JrCEpAUyZ16sxwqS79sA+xk7bANHPPf0tS8CYPhnRa e895Jcfmtox+/NVnuw+csozvgm7wmokwmcBaa+qtAxFP1p0Jiie2wr4HSDclK8lbMLQR 5iMsXtaibS/fnxB5i+WSkgATueqwoiVNCAR+sTtWajtvGEq9lB5qU1uQiCeO2SBqgC7T IDIdlSm2R1SuysVSoONGJ1GeUZeMk3iMbhg0ThJQQJ9WdvLhKTSuD/CmKw5HzC5GkcaR 865ubXIrFktEVVYJGvwy4MgavsQfnN2VX2RzVLu7fBMx4uCFRb1IMaQki3RKdoAXkPkY 9A== Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3r3n35g3qv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 08 Jun 2023 19:29:22 +0000 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 358Gtk3U008955; Thu, 8 Jun 2023 19:29:21 GMT Received: from smtprelay05.wdc07v.mail.ibm.com ([9.208.129.117]) by ppma01dal.us.ibm.com (PPS) with ESMTPS id 3r2a77fs3p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 08 Jun 2023 19:29:21 +0000 Received: from smtpav04.dal12v.mail.ibm.com (smtpav04.dal12v.mail.ibm.com [10.241.53.103]) by smtprelay05.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 358JTJIh61276450 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 8 Jun 2023 19:29:19 GMT Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 37F9358056; Thu, 8 Jun 2023 19:29:19 +0000 (GMT) Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 09A415805E; Thu, 8 Jun 2023 19:29:19 +0000 (GMT) Received: from rhel-laptop.ibm.com (unknown [9.61.61.30]) by smtpav04.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 8 Jun 2023 19:29:18 +0000 (GMT) From: gjoyce@linux.vnet.ibm.com To: linux-block@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org, jonathan.derrick@linux.dev, brking@linux.vnet.ibm.com, msuchanek@suse.de, mpe@ellerman.id.au, nayna@linux.ibm.com, axboe@kernel.dk, akpm@linux-foundation.org, gjoyce@linux.vnet.ibm.com, keyrings@vger.kernel.org Subject: [PATCH v7 1/3] block:sed-opal: SED Opal keystore Date: Thu, 8 Jun 2023 14:29:16 -0500 Message-Id: <20230608192918.516911-2-gjoyce@linux.vnet.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230608192918.516911-1-gjoyce@linux.vnet.ibm.com> References: <20230608192918.516911-1-gjoyce@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: u2f5erDbo0Jj6R1V5vZXCgRMYSnoc3U- X-Proofpoint-ORIG-GUID: u2f5erDbo0Jj6R1V5vZXCgRMYSnoc3U- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-06-08_14,2023-06-08_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 adultscore=0 spamscore=0 priorityscore=1501 phishscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=801 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306080165 Precedence: bulk List-ID: X-Mailing-List: keyrings@vger.kernel.org From: Greg Joyce Add read and write functions that allow SED Opal keys to stored in a permanent keystore. Signed-off-by: Greg Joyce Reviewed-by: Jonathan Derrick --- block/Makefile | 2 +- block/sed-opal-key.c | 24 ++++++++++++++++++++++++ include/linux/sed-opal-key.h | 15 +++++++++++++++ 3 files changed, 40 insertions(+), 1 deletion(-) create mode 100644 block/sed-opal-key.c create mode 100644 include/linux/sed-opal-key.h diff --git a/block/Makefile b/block/Makefile index 46ada9dc8bbf..ea07d80402a6 100644 --- a/block/Makefile +++ b/block/Makefile @@ -34,7 +34,7 @@ obj-$(CONFIG_BLK_DEV_ZONED) += blk-zoned.o obj-$(CONFIG_BLK_WBT) += blk-wbt.o obj-$(CONFIG_BLK_DEBUG_FS) += blk-mq-debugfs.o obj-$(CONFIG_BLK_DEBUG_FS_ZONED)+= blk-mq-debugfs-zoned.o -obj-$(CONFIG_BLK_SED_OPAL) += sed-opal.o +obj-$(CONFIG_BLK_SED_OPAL) += sed-opal.o sed-opal-key.o obj-$(CONFIG_BLK_PM) += blk-pm.o obj-$(CONFIG_BLK_INLINE_ENCRYPTION) += blk-crypto.o blk-crypto-profile.o \ blk-crypto-sysfs.o diff --git a/block/sed-opal-key.c b/block/sed-opal-key.c new file mode 100644 index 000000000000..16f380164c44 --- /dev/null +++ b/block/sed-opal-key.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * SED key operations. + * + * Copyright (C) 2022 IBM Corporation + * + * These are the accessor functions (read/write) for SED Opal + * keys. Specific keystores can provide overrides. + * + */ + +#include +#include +#include + +int __weak sed_read_key(char *keyname, char *key, u_int *keylen) +{ + return -EOPNOTSUPP; +} + +int __weak sed_write_key(char *keyname, char *key, u_int keylen) +{ + return -EOPNOTSUPP; +} diff --git a/include/linux/sed-opal-key.h b/include/linux/sed-opal-key.h new file mode 100644 index 000000000000..c9b1447986d8 --- /dev/null +++ b/include/linux/sed-opal-key.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * SED key operations. + * + * Copyright (C) 2022 IBM Corporation + * + * These are the accessor functions (read/write) for SED Opal + * keys. Specific keystores can provide overrides. + * + */ + +#include + +int sed_read_key(char *keyname, char *key, u_int *keylen); +int sed_write_key(char *keyname, char *key, u_int keylen);