From patchwork Fri Mar 10 17:54:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alison Schofield X-Patchwork-Id: 13169897 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 22C69C6FD1C for ; Fri, 10 Mar 2023 17:56:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229846AbjCJR45 (ORCPT ); Fri, 10 Mar 2023 12:56:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229708AbjCJR4r (ORCPT ); Fri, 10 Mar 2023 12:56:47 -0500 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94456134831; Fri, 10 Mar 2023 09:56:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1678470968; x=1710006968; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vkJ1gJmE+nX0k0RDJxr3koG2zAk0rxfEp3qrjnGSjh8=; b=MAnHvaBmuCMWjaLG+vlk5T+EfnlLGc68rPBfoLBmMNtwwu5umkIQTSMH 8kcY+ftpgs2wivJVKzorf/xfiJHE/kvI5xnQs9U4NTZGkhBmZtIhq+G+i MToYSadTlyP/0h62hTVelgynPhP4TFLCC+MOSe4rT7wOPQ9vrd2APtod9 4cr5pXCRGMdVsebP5Qsk/jDubJt5/ncypy0fblbGm2DEX0qNosNjegOBV BXQk3U0YsncFClCEYQsa58z3Hn9j2e7m8mb1QzEz1JRM+JH8nEBtfZXe+ 5wvognIm3A1WW3jvB5czuEj8lZ8Y3xSDsuk2oE2o2SpAOs0rVrLomYmVe w==; X-IronPort-AV: E=McAfee;i="6500,9779,10645"; a="334266207" X-IronPort-AV: E=Sophos;i="5.98,250,1673942400"; d="scan'208";a="334266207" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2023 09:55:54 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10645"; a="852008219" X-IronPort-AV: E=Sophos;i="5.98,250,1673942400"; d="scan'208";a="852008219" Received: from aschofie-mobl2.amr.corp.intel.com (HELO localhost) ([10.255.228.62]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2023 09:54:32 -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 v8 6/6] tools/testing/cxl: Mock support for Get Poison List Date: Fri, 10 Mar 2023 09:54:20 -0800 Message-Id: <2d36d28755beda9d941301fa63da97b525203d7a.1678468593.git.alison.schofield@intel.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-cxl@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. Signed-off-by: Alison Schofield Reviewed-by: Jonathan Cameron Reviewed-by: Ira Weiny --- 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 9263b04d35f7..2fa9c18d4c2c 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include "trace.h" @@ -40,6 +41,10 @@ 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 */ @@ -471,6 +476,8 @@ 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; @@ -888,6 +895,34 @@ 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; + } __packed mock_plist = { + .po = { + .count = cpu_to_le16(1), + }, + .record = { + .length = cpu_to_le32(1), + .address = cpu_to_le64(le64_to_cpu(pi->offset) + + CXL_POISON_SOURCE_INJECTED), + }, + }; + + 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; @@ -942,6 +977,9 @@ 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; } @@ -1010,6 +1048,10 @@ 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;