From patchwork Tue Nov 8 17:26:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Jiang X-Patchwork-Id: 13036592 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (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 9AA6F8BF5 for ; Tue, 8 Nov 2022 17:26:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667928368; x=1699464368; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PYWUt/bip7810i5MwBhol2mkBcIT0TNOdL2jMeGcpp4=; b=BkvDX8DryKjAe9H/mJPypeP0vzSxvNuxjo1C2xX8KhyBg+EQvoN661bb E96Ej9XgKvmPzHUptkS2hNWnAMEAO4HpjuNw+OeUDUBOFD8+ffQIrwkS1 9E5DutjnruRD+JI43CH/8EUrvZPYh0WjfsKqNNaLBv+QM2CvAPjdvfWZz WwRcMqkmjuhWNL0fH0CLXRdLjLSHpl04Kaq8YIuAqKpnz1tlsy5fWrNxN 8iPfnKTTviOKhxCTMGDyO/TLtUVWxN06Tl/bHXZ7sUvZ4KnC8qlNNb+JC SXqk/PvM5Z8+Ok51RhCC+m+cwVkBOIaSXsL05G8MHoHw95kqt0IErmMmi w==; X-IronPort-AV: E=McAfee;i="6500,9779,10525"; a="375029787" X-IronPort-AV: E=Sophos;i="5.96,148,1665471600"; d="scan'208";a="375029787" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Nov 2022 09:26:08 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10525"; a="742038933" X-IronPort-AV: E=Sophos;i="5.96,148,1665471600"; d="scan'208";a="742038933" Received: from djiang5-desk3.ch.intel.com ([143.182.136.137]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Nov 2022 09:26:07 -0800 Subject: [PATCH v3 08/18] 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, ira.weiny@intel.com, vishal.l.verma@intel.com, alison.schofield@intel.com, Jonathan.Cameron@huawei.com, dave@stgolabs.net Date: Tue, 08 Nov 2022 10:26:07 -0700 Message-ID: <166792836713.3767969.2062763420392790603.stgit@djiang5-desk3.ch.intel.com> In-Reply-To: <166792815961.3767969.2621677491424623673.stgit@djiang5-desk3.ch.intel.com> References: <166792815961.3767969.2621677491424623673.stgit@djiang5-desk3.ch.intel.com> User-Agent: StGit/1.4 Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add support to emulate a CXL mem device support the "Freeze Security State" operation. Signed-off-by: Dave Jiang Reviewed-by: Jonathan Cameron --- 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; }