From patchwork Fri Jul 13 22:45:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Jiang X-Patchwork-Id: 10524215 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 79AA06028E for ; Fri, 13 Jul 2018 22:45:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 687E529A07 for ; Fri, 13 Jul 2018 22:45:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5CD0F29A1B; Fri, 13 Jul 2018 22:45:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id ED6E429A07 for ; Fri, 13 Jul 2018 22:45:55 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id E6D1220986AC2; Fri, 13 Jul 2018 15:45:55 -0700 (PDT) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=192.55.52.43; helo=mga05.intel.com; envelope-from=dave.jiang@intel.com; receiver=linux-nvdimm@lists.01.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 0BAE420985980 for ; Fri, 13 Jul 2018 15:45:55 -0700 (PDT) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Jul 2018 15:45:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,349,1526367600"; d="scan'208";a="56385264" Received: from djiang5-desk3.ch.intel.com ([143.182.136.93]) by orsmga007.jf.intel.com with ESMTP; 13 Jul 2018 15:45:53 -0700 Subject: [PATCH 4/6] ndctl: add support for freeze security From: Dave Jiang To: vishal.l.verma@intel.com Date: Fri, 13 Jul 2018 15:45:53 -0700 Message-ID: <153152195302.6787.9807448079950596179.stgit@djiang5-desk3.ch.intel.com> In-Reply-To: <153152170933.6787.1111990895827764695.stgit@djiang5-desk3.ch.intel.com> References: <153152170933.6787.1111990895827764695.stgit@djiang5-desk3.ch.intel.com> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-nvdimm@lists.01.org Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP Add support for freeze security to libndctl and also command line option of "freeze-security" for ndctl. This will lock the ability to make changes to the NVDIMM security. Signed-off-by: Dave Jiang --- Documentation/ndctl/Makefile.am | 1 + Documentation/ndctl/ndctl-freeze-security.txt | 21 +++++++++++++++++++++ builtin.h | 1 + ndctl/dimm.c | 22 ++++++++++++++++++++++ ndctl/lib/dimm.c | 5 +++++ ndctl/lib/libndctl.sym | 1 + ndctl/libndctl.h | 1 + ndctl/ndctl.c | 1 + 8 files changed, 53 insertions(+) create mode 100644 Documentation/ndctl/ndctl-freeze-security.txt diff --git a/Documentation/ndctl/Makefile.am b/Documentation/ndctl/Makefile.am index b1cb3b5b..98348178 100644 --- a/Documentation/ndctl/Makefile.am +++ b/Documentation/ndctl/Makefile.am @@ -48,6 +48,7 @@ man1_MANS = \ ndctl-update-firmware.1 \ ndctl-update-security.1 \ ndctl-disable-security.1 \ + ndctl-freeze-security.1 \ ndctl-list.1 CLEANFILES = $(man1_MANS) diff --git a/Documentation/ndctl/ndctl-freeze-security.txt b/Documentation/ndctl/ndctl-freeze-security.txt new file mode 100644 index 00000000..343bb019 --- /dev/null +++ b/Documentation/ndctl/ndctl-freeze-security.txt @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 + +ndctl-freeze-security(1) +======================== + +NAME +---- +ndctl-freeze-security - enabling or freeze the security for an NVDIMM + +SYNOPSIS +-------- +[verse] +'ndctl freeze-security' + +DESCRIPTION +----------- +Provide a generic interface to freeze the security for NVDIMM. The use of this +depends on support from the underlying libndctl, kernel, as well as the +platform itself. + +include::../copyright.txt[] diff --git a/builtin.h b/builtin.h index e8ba9aee..6e6ae069 100644 --- a/builtin.h +++ b/builtin.h @@ -49,4 +49,5 @@ int cmd_update_firmware(int argc, const char **argv, void *ctx); int cmd_inject_smart(int argc, const char **argv, void *ctx); int cmd_update_security(int argc, const char **argv, void *ctx); int cmd_disable_security(int argc, const char **argv, void *ctx); +int cmd_freeze_security(int argc, const char **argv, void *ctx); #endif /* _NDCTL_BUILTIN_H_ */ diff --git a/ndctl/dimm.c b/ndctl/dimm.c index e64f6717..49097cff 100644 --- a/ndctl/dimm.c +++ b/ndctl/dimm.c @@ -845,6 +845,18 @@ static int action_security_disable(struct ndctl_dimm *dimm, return rc; } +static int action_security_freeze(struct ndctl_dimm *dimm, + struct action_context *actx) +{ + int rc; + + rc = ndctl_dimm_freeze_security(dimm); + if (rc < 0) + error("Failed to freeze security for %s\n", + ndctl_dimm_get_devname(dimm)); + return rc; +} + static struct parameters { const char *bus; const char *outfile; @@ -1222,3 +1234,13 @@ int cmd_disable_security(int argc, const char **argv, void *ctx) count > 1 ? "s" : ""); return count >= 0 ? 0 : EXIT_FAILURE; } + +int cmd_freeze_security(int argc, const char **argv, void *ctx) +{ + int count = dimm_action(argc, argv, ctx, action_security_freeze, base_options, + "ndctl freeze-security [..] []"); + + fprintf(stderr, "security freezed %d nmem%s.\n", count >= 0 ? count : 0, + count > 1 ? "s" : ""); + return count >= 0 ? 0 : EXIT_FAILURE; +} diff --git a/ndctl/lib/dimm.c b/ndctl/lib/dimm.c index 13c2806c..2ff68daa 100644 --- a/ndctl/lib/dimm.c +++ b/ndctl/lib/dimm.c @@ -620,3 +620,8 @@ NDCTL_EXPORT int ndctl_dimm_disable_security(struct ndctl_dimm *dimm) { return ndctl_dimm_write_security(dimm, "disable"); } + +NDCTL_EXPORT int ndctl_dimm_freeze_security(struct ndctl_dimm *dimm) +{ + return ndctl_dimm_write_security(dimm, "freeze"); +} diff --git a/ndctl/lib/libndctl.sym b/ndctl/lib/libndctl.sym index 1a919567..613d9bb2 100644 --- a/ndctl/lib/libndctl.sym +++ b/ndctl/lib/libndctl.sym @@ -374,4 +374,5 @@ global: ndctl_dimm_get_security_state; ndctl_dimm_set_change_key; ndctl_dimm_disable_security; + ndctl_dimm_freeze_security; } LIBNDCTL_16; diff --git a/ndctl/libndctl.h b/ndctl/libndctl.h index 1ca6cb18..4615ba09 100644 --- a/ndctl/libndctl.h +++ b/ndctl/libndctl.h @@ -662,6 +662,7 @@ int ndctl_dimm_fw_update_supported(struct ndctl_dimm *dimm); int ndctl_dimm_get_security_state(struct ndctl_dimm *dimm, char *state); int ndctl_dimm_set_change_key(struct ndctl_dimm *dimm); int ndctl_dimm_disable_security(struct ndctl_dimm *dimm); +int ndctl_dimm_freeze_security(struct ndctl_dimm *dimm); #ifdef __cplusplus } /* extern "C" */ diff --git a/ndctl/ndctl.c b/ndctl/ndctl.c index eeef41da..5a1a81e4 100644 --- a/ndctl/ndctl.c +++ b/ndctl/ndctl.c @@ -90,6 +90,7 @@ static struct cmd_struct commands[] = { { "start-scrub", cmd_start_scrub }, { "update-security", cmd_update_security }, { "disable-security", cmd_disable_security }, + { "freeze-security", cmd_freeze_security }, { "list", cmd_list }, { "help", cmd_help }, #ifdef ENABLE_TEST