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 6D0FFC64ED6 for ; Tue, 28 Feb 2023 18:04:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229535AbjB1SEV (ORCPT ); Tue, 28 Feb 2023 13:04:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229540AbjB1SEV (ORCPT ); Tue, 28 Feb 2023 13:04:21 -0500 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C32131E39 for ; Tue, 28 Feb 2023 10:04:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1677607459; x=1709143459; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=GsJ0FeCcj9dPRiR46062O0r4XBNBDbjBAM3DtAWMXJM=; b=ALpJmp46jcuMZPNrhgp/f5r3uJ/3iXM06OcxFZYvh703182dOclt0+wL dAv4rR/JOg9IDYSOP/BxSnIWedRckcQuGGcglywK2zJdQA7VvIshaFbp2 UvDuIDW/7qW1PmVjbWz6lNO5Q4posOD0+/KbxXdLGzkQAUPF+ZhRlPa/j NDjtunItEXPCRhuVg8qztpMYCX17TyqWIGMZ6dCu616pnG4BJkpzuZNz9 ykOD++0E9xUIRQP01VyHzLffphOziQw1j+4jI3oL3LlIZ+BFlIHB8GHvS XRy4RxHKdUktbCR3CeewsroeCPAUNiqk21dasAWCyYs5MBizI2ml5Tx8y w==; X-IronPort-AV: E=McAfee;i="6500,9779,10635"; a="318005239" X-IronPort-AV: E=Sophos;i="5.98,222,1673942400"; d="scan'208";a="318005239" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2023 10:03:42 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10635"; a="674245185" X-IronPort-AV: E=Sophos;i="5.98,222,1673942400"; d="scan'208";a="674245185" Received: from djiang5-mobl3.amr.corp.intel.com (HELO [10.212.1.236]) ([10.212.1.236]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2023 10:03:41 -0800 Message-ID: <3f35b83b-8ee9-7367-af05-d59e9f0940ab@intel.com> Date: Tue, 28 Feb 2023 11:03:41 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.6.0 Subject: Re: [PATCH 5/7] cxl/test: Add "Sanitize" opcode support Content-Language: en-US To: Davidlohr Bueso , dan.j.williams@intel.com Cc: jonathan.cameron@huawei.com, ira.weiny@intel.com, fan.ni@samsung.com, a.manzanares@samsung.com, linux-cxl@vger.kernel.org References: <20230224194652.1990604-1-dave@stgolabs.net> <20230224194652.1990604-6-dave@stgolabs.net> From: Dave Jiang In-Reply-To: <20230224194652.1990604-6-dave@stgolabs.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org On 2/24/23 12:46 PM, Davidlohr Bueso wrote: > Add support to emulate a CXL mem device support the "Sanitize" > operation, without incurring in the background. > > Signed-off-by: Davidlohr Bueso Reviewed-by: Dave Jiang > --- > tools/testing/cxl/test/mem.c | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c > index 9263b04d35f7..d4466cb27947 100644 > --- a/tools/testing/cxl/test/mem.c > +++ b/tools/testing/cxl/test/mem.c > @@ -497,6 +497,28 @@ static int mock_partition_info(struct cxl_dev_state *cxlds, > return 0; > } > > +static int mock_sanitize(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) > +{ > + struct cxl_mockmem_data *mdata = dev_get_drvdata(cxlds->dev); > + > + if (cmd->size_in != 0) > + return -EINVAL; > + > + if (cmd->size_out != 0) > + return -EINVAL; > + > + if (mdata->security_state & CXL_PMEM_SEC_STATE_USER_PASS_SET) { > + cmd->return_code = CXL_MBOX_CMD_RC_SECURITY; > + return -ENXIO; > + } > + if (mdata->security_state & CXL_PMEM_SEC_STATE_LOCKED) { > + cmd->return_code = CXL_MBOX_CMD_RC_SECURITY; > + return -ENXIO; > + } > + > + return 0; /* assume less than 2 secs, no bg */ > +} > + > static int mock_get_security_state(struct cxl_dev_state *cxlds, > struct cxl_mbox_cmd *cmd) > { > @@ -924,6 +946,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd * > case CXL_MBOX_OP_GET_HEALTH_INFO: > rc = mock_health_info(cxlds, cmd); > break; > + case CXL_MBOX_OP_SANITIZE: > + rc = mock_sanitize(cxlds, cmd); > + break; > case CXL_MBOX_OP_GET_SECURITY_STATE: > rc = mock_get_security_state(cxlds, cmd); > break;