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 EAF2BC64ED6 for ; Tue, 28 Feb 2023 18:36:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229725AbjB1Sgx (ORCPT ); Tue, 28 Feb 2023 13:36:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229486AbjB1Sgw (ORCPT ); Tue, 28 Feb 2023 13:36:52 -0500 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D79DF21282 for ; Tue, 28 Feb 2023 10:36:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1677609411; x=1709145411; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=JpCwfXhQxsiTFquyDUWurFSJtCgQGmVMUkESgLh36Mc=; b=jU8joxXWUkAGmbfRAMVDAqlDB5IjKhTu+dOTPIyu+n64GKQ7J73cVT26 XQ+Sh0ow31KtNo7m5hv8Cp+uRDtjddA47g2OW08Jx3HFgE4LONjSVYZ1c Monpb1JJyYfBhMus6Zx+sV/gF1XtKFxZ6lHKR4hhb3gflQ1wVHv449Pc9 clEznSlc6SQymoseiBRjqs9qtZ/ykgh/2jQv+pcymBAmXlyKfC+FN1/vB umUsuxaEyLE0jcqioj6TpUYpWwQumdAVaSYObIFbU0tK17jsQph7oYBgd Oxy1KHCitXDuKM85G7kaO22Wx5XcB5GH9h0xR3F6s+2CNRb6ilwkavNpp Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10635"; a="398999079" X-IronPort-AV: E=Sophos;i="5.98,222,1673942400"; d="scan'208";a="398999079" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2023 10:36:51 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10635"; a="676400027" X-IronPort-AV: E=Sophos;i="5.98,222,1673942400"; d="scan'208";a="676400027" Received: from djiang5-mobl3.amr.corp.intel.com (HELO [10.212.1.236]) ([10.212.1.236]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2023 10:36:50 -0800 Message-ID: Date: Tue, 28 Feb 2023 11:36:50 -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 7/7] cxl/test: Add "Secure Erase" 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> <20230224194652.1990604-8-dave@stgolabs.net> From: Dave Jiang In-Reply-To: <20230224194652.1990604-8-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 "Secure Erase" > operation. > > Signed-off-by: Davidlohr Bueso Reviewed-by: Dave Jiang > --- > tools/testing/cxl/test/mem.c | 27 +++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c > index d4466cb27947..8a22a4e592c6 100644 > --- a/tools/testing/cxl/test/mem.c > +++ b/tools/testing/cxl/test/mem.c > @@ -519,6 +519,30 @@ static int mock_sanitize(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) > return 0; /* assume less than 2 secs, no bg */ > } > > +static int mock_secure_erase(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; > +} > + > static int mock_get_security_state(struct cxl_dev_state *cxlds, > struct cxl_mbox_cmd *cmd) > { > @@ -949,6 +973,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd * > case CXL_MBOX_OP_SANITIZE: > rc = mock_sanitize(cxlds, cmd); > break; > + case CXL_MBOX_OP_SECURE_ERASE: > + rc = mock_secure_erase(cxlds, cmd); > + break; > case CXL_MBOX_OP_GET_SECURITY_STATE: > rc = mock_get_security_state(cxlds, cmd); > break;