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 93E75C4332F for ; Thu, 15 Dec 2022 21:18:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230077AbiLOVSY (ORCPT ); Thu, 15 Dec 2022 16:18:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229996AbiLOVSD (ORCPT ); Thu, 15 Dec 2022 16:18:03 -0500 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF10059156; Thu, 15 Dec 2022 13:18:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1671139082; x=1702675082; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=SMyW+MRrTkyrFYxqA8ddxUtmVsGx3eQy/KpbR7JQwsM=; b=ML/SC9j8yESPMBrCWSBXWpVmdnBqctYbcUZOZvfrLNmDjoe5LqiN2aB9 f7oCDe7pANAoXNLboFh+ouaCHQEA6bNLJPZWjkKGWw/JuyLbk+PXa4qUI CJv1DcvLiJIvzz5hyklkqZyXxE6ZswvOekkUMBZaCyLj0A9s6rmUmh5ak dx4wesNTlYeKIbrb9v+Jk6sn+xicolG9Dl71LvBZNMaj6z4XSymtckXW0 ZgPEJ7XDO6uYogjaZjWQn9hWhuA0JJd6D1uyb4WHGBZe5kzfdhlhuCznW zXbGRGpTP/CiEoP3R44mMmyJQEU2yJT721jAbm+zpYQ9BurzRomn5VyN5 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10562"; a="302230315" X-IronPort-AV: E=Sophos;i="5.96,248,1665471600"; d="scan'208";a="302230315" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Dec 2022 13:17:53 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10562"; a="649570089" X-IronPort-AV: E=Sophos;i="5.96,248,1665471600"; d="scan'208";a="649570089" Received: from aschofie-mobl2.amr.corp.intel.com (HELO localhost) ([10.209.55.178]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Dec 2022 13:17:53 -0800 From: alison.schofield@intel.com To: Dan Williams , Ira Weiny , Vishal Verma , Dave Jiang , Ben Widawsky , Steven Rostedt Cc: Alison Schofield , linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Cameron Subject: [PATCH v4 5/5] tools/testing/cxl: Mock support for Get Poison List Date: Thu, 15 Dec 2022 13:17:47 -0800 Message-Id: X-Mailer: git-send-email 2.37.3 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alison Schofield Make mock memdevs support the Get Poison List mailbox command. Return a fake poison error record when the get poison list command is issued. This supports testing the kernel tracing and cxl list capabilities for media errors. Reviewed-by: Jonathan Cameron Signed-off-by: Alison Schofield --- tools/testing/cxl/test/mem.c | 42 ++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c index 5e4ecd93f1d2..9bbbad083ede 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #define LSA_SIZE SZ_128K @@ -38,6 +39,10 @@ static struct cxl_cel_entry mock_cel[] = { .opcode = cpu_to_le16(CXL_MBOX_OP_GET_HEALTH_INFO), .effect = cpu_to_le16(0), }, + { + .opcode = cpu_to_le16(CXL_MBOX_OP_GET_POISON), + .effect = cpu_to_le16(0), + }, }; /* See CXL 2.0 Table 181 Get Health Info Output Payload */ @@ -141,6 +146,8 @@ static int mock_id(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) cpu_to_le64(DEV_SIZE / CXL_CAPACITY_MULTIPLIER), }; + put_unaligned_le24(CXL_POISON_LIST_MAX, id.poison_list_max_mer); + if (cmd->size_out < sizeof(id)) return -EINVAL; @@ -558,6 +565,34 @@ static int mock_health_info(struct cxl_dev_state *cxlds, return 0; } +static int mock_get_poison(struct cxl_dev_state *cxlds, + struct cxl_mbox_cmd *cmd) +{ + struct cxl_mbox_poison_payload_in *pi = cmd->payload_in; + + /* Mock one poison record at pi.offset for 64 bytes */ + struct { + struct cxl_mbox_poison_payload_out po; + struct cxl_poison_record record; + } mock_plist = { + .po = { + .count = cpu_to_le16(1), + }, + .record = { + .length = cpu_to_le32(1), + .address = cpu_to_le64(pi->offset | + CXL_POISON_SOURCE_INTERNAL), + }, + }; + + if (cmd->size_out < sizeof(mock_plist)) + return -EINVAL; + + memcpy(cmd->payload_out, &mock_plist, sizeof(mock_plist)); + cmd->size_out = sizeof(mock_plist); + return 0; +} + static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) { struct device *dev = cxlds->dev; @@ -606,6 +641,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd * case CXL_MBOX_OP_PASSPHRASE_SECURE_ERASE: rc = mock_passphrase_secure_erase(cxlds, cmd); break; + case CXL_MBOX_OP_GET_POISON: + rc = mock_get_poison(cxlds, cmd); + break; default: break; } @@ -664,6 +702,10 @@ static int cxl_mock_mem_probe(struct platform_device *pdev) if (rc) return rc; + rc = cxl_poison_state_init(cxlds); + if (rc) + return rc; + rc = cxl_dev_state_identify(cxlds); if (rc) return rc; -- 2.37.3