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Fri, 21 Jul 2023 21:19:50 +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, okozina@redhat.com, dkeefe@redhat.com Subject: [PATCH v7 1/3 RESEND] block:sed-opal: SED Opal keystore Date: Fri, 21 Jul 2023 16:19:47 -0500 Message-Id: <20230721211949.3437598-2-gjoyce@linux.vnet.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20230721211949.3437598-1-gjoyce@linux.vnet.ibm.com> References: <20230721211949.3437598-1-gjoyce@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: zAuJKvo3XRz4QKcY3N6G2sTML7uYz0bT X-Proofpoint-ORIG-GUID: zNmLmcNsqWkFEWetLfd1NyC2ra7h7iGG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-21_12,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=791 phishscore=0 spamscore=0 priorityscore=1501 mlxscore=0 clxscore=1015 impostorscore=0 suspectscore=0 adultscore=0 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307210186 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);