From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AF59A5381 for ; Fri, 15 Jul 2022 21:09:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657919384; x=1689455384; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tCo2bI3por77I/FcOdYtTCzcMFkh1j20dfEew9P9Xns=; b=LHhHebIpjJh9qGRRz69Uqt3rCiClBfbZ8cFd+2A0w9JoI6euHWYF4meB zfOTG+KooKv+dC35es4OJfWZJKLO/uBnDqg0tWNgNxbJEyo3k11ThtUck BuW5DUFIq2DO3hhpDX311Iiw+uAUgltBEtMENdYemNeJq4fHYE42wvADt OOHY+wL/u0YLilSdsKlj/FUk23Pvc14eLHqey3J04CJ4JAfVyaMlSa0K5 1aXd6sXX7xw+589ip6kjgInmeLvkxUkvjPGrC0lLtYybJy+ymuFRFhMzT YOAmfQ6BqwoWiDWLDkaWJCQ7at0Y8o7w8CXwn/OWPoMVLA7mctxQBj9mn Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10409"; a="283458428" X-IronPort-AV: E=Sophos;i="5.92,275,1650956400"; d="scan'208";a="283458428" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jul 2022 14:09:25 -0700 X-IronPort-AV: E=Sophos;i="5.92,275,1650956400"; d="scan'208";a="686104370" Received: from djiang5-desk3.ch.intel.com ([143.182.136.137]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jul 2022 14:09:25 -0700 Subject: [PATCH RFC 09/15] tools/testing/cxl: Add "Freeze Security State" security opcode support From: Dave Jiang To: linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev Cc: dan.j.williams@intel.com, bwidawsk@kernel.org, ira.weiny@intel.com, vishal.l.verma@intel.com, alison.schofield@intel.com, dave@stgolabs.net Date: Fri, 15 Jul 2022 14:09:24 -0700 Message-ID: <165791936487.2491387.4663628786437821239.stgit@djiang5-desk3.ch.intel.com> In-Reply-To: <165791918718.2491387.4203738301057301285.stgit@djiang5-desk3.ch.intel.com> References: <165791918718.2491387.4203738301057301285.stgit@djiang5-desk3.ch.intel.com> User-Agent: StGit/1.1 Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Add support to emulate a CXL mem device support the "Freeze Security State" operation. Signed-off-by: Dave Jiang --- tools/testing/cxl/test/mem.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c index 5f87a94d92ae..d8d08a89ec0c 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -312,6 +312,34 @@ 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 mock_mdev_data *mdata = dev_get_drvdata(cxlds->dev); + + if (cmd->size_in != 0) { + cmd->return_code = CXL_MBOX_CMD_RC_INPUT; + return -EINVAL; + } + + if (cmd->size_out != 0) { + cmd->return_code = CXL_MBOX_CMD_RC_INPUT; + return -EINVAL; + } + + if (mdata->security_state & CXL_PMEM_SEC_STATE_FROZEN) { + cmd->return_code = CXL_MBOX_CMD_RC_SECURITY; + return -ENXIO; + } + + if (!(mdata->security_state & CXL_PMEM_SEC_STATE_USER_PASS_SET)) { + cmd->return_code = CXL_MBOX_CMD_RC_SECURITY; + return -ENXIO; + } + + 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; @@ -413,6 +441,9 @@ 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; }