From mboxrd@z Thu Jan 1 00:00:00 1970 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 62879C43219 for ; Fri, 11 Nov 2022 10:32:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233600AbiKKKcx (ORCPT ); Fri, 11 Nov 2022 05:32:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233963AbiKKKbS (ORCPT ); Fri, 11 Nov 2022 05:31:18 -0500 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EFAD7B87B for ; Fri, 11 Nov 2022 02:31:08 -0800 (PST) Received: from frapeml500002.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4N7w0n45hSz67ms2; Fri, 11 Nov 2022 18:28:57 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (7.191.163.240) by frapeml500002.china.huawei.com (7.182.85.205) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 11 Nov 2022 11:31:06 +0100 Received: from localhost (10.45.151.252) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 11 Nov 2022 10:31:06 +0000 Date: Fri, 11 Nov 2022 10:31:03 +0000 From: Jonathan Cameron To: Dave Jiang CC: , , , , , , Subject: Re: [PATCH v3 08/18] tools/testing/cxl: Add "Freeze Security State" security opcode support Message-ID: <20221111103103.00006b18@Huawei.com> In-Reply-To: <166792836713.3767969.2062763420392790603.stgit@djiang5-desk3.ch.intel.com> References: <166792815961.3767969.2621677491424623673.stgit@djiang5-desk3.ch.intel.com> <166792836713.3767969.2062763420392790603.stgit@djiang5-desk3.ch.intel.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.45.151.252] X-ClientProxiedBy: lhrpeml500005.china.huawei.com (7.191.163.240) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org On Tue, 08 Nov 2022 10:26:07 -0700 Dave Jiang wrote: > Add support to emulate a CXL mem device support the "Freeze Security State" > operation. > > Signed-off-by: Dave Jiang Reviewed-by: Jonathan Cameron Thanks, Jonathan > --- > tools/testing/cxl/test/mem.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c > index d8bb30d82a8f..0cb2e3035636 100644 > --- a/tools/testing/cxl/test/mem.c > +++ b/tools/testing/cxl/test/mem.c > @@ -303,6 +303,23 @@ static int mock_disable_passphrase(struct cxl_dev_state *cxlds, struct cxl_mbox_ > return 0; > } > > +static int mock_freeze_security(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) > +{ > + struct cxl_mock_mem_pdata *mdata = dev_get_platdata(cxlds->dev); > + > + if (cmd->size_in != 0) > + return -EINVAL; > + > + if (cmd->size_out != 0) > + return -EINVAL; > + > + if (mdata->security_state & CXL_PMEM_SEC_STATE_FROZEN) > + return 0; > + > + mdata->security_state |= CXL_PMEM_SEC_STATE_FROZEN; > + return 0; > +} > + > static int mock_get_lsa(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) > { > struct cxl_mbox_get_lsa *get_lsa = cmd->payload_in; > @@ -405,6 +422,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd * > case CXL_MBOX_OP_DISABLE_PASSPHRASE: > rc = mock_disable_passphrase(cxlds, cmd); > break; > + case CXL_MBOX_OP_FREEZE_SECURITY: > + rc = mock_freeze_security(cxlds, cmd); > + break; > default: > break; > } > >