From patchwork Wed Nov 30 19:22:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Jiang X-Patchwork-Id: 13060275 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) (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 3788379C0 for ; Wed, 30 Nov 2022 19:22:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669836137; x=1701372137; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8pkuOsP2CGO1os2ONxl61M4rJO89vDyEQLuiH8Q0t9I=; b=m7G89TupDHMDin0GgrKZl0K4wDfZyMj0vCZ7IgAWnMtTSlppfI0wuo2u jH8qVWN1f1FDEuYyIKhOB0SCyyUZqwvkDmOekYtqN3GfK94gLSy+2WmvA LFNfBugCZbCV3uL5tCdjoAAYFttsoUMcKGfG9gxB0RMQX8uxBdGMfa4Ok tiEVuMVP2goj/U86GUd3sdSsghwGF0RQBC57KII0BeJGQpGz6FEIA2BG6 94i41ci6EeXhA9KZ7gga/f8nb/rv/VlZjgmcvA8CRdRhfuiC3svIGAhVZ kepPw5zMLwERbDQlmNTenh1e75Hr6rJFZqIuPRZrlAowdOeAKjfjA+G+U g==; X-IronPort-AV: E=McAfee;i="6500,9779,10547"; a="295853915" X-IronPort-AV: E=Sophos;i="5.96,207,1665471600"; d="scan'208";a="295853915" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2022 11:22:16 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10547"; a="707768986" X-IronPort-AV: E=Sophos;i="5.96,207,1665471600"; d="scan'208";a="707768986" Received: from djiang5-desk3.ch.intel.com ([143.182.136.137]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2022 11:22:16 -0800 Subject: [PATCH v7 08/20] 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: Wed, 30 Nov 2022 12:22:16 -0700 Message-ID: <166983613604.2734609.1960672960407811362.stgit@djiang5-desk3.ch.intel.com> In-Reply-To: <166983606451.2734609.4050644229630259452.stgit@djiang5-desk3.ch.intel.com> References: <166983606451.2734609.4050644229630259452.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. Reviewed-by: Jonathan Cameron Signed-off-by: Dave Jiang Link: https://lore.kernel.org/r/166863351102.80269.2446125137815258720.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Dan Williams --- 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 77774a951a81..45c6e6d3cfbb 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -314,6 +314,23 @@ 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; @@ -418,6 +435,9 @@ 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; }