From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 385D019CD1B for ; Thu, 2 Jul 2026 00:30:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782952260; cv=none; b=Xfg1vGdunXGq7lBrP/+D+EPtKtuL34wPvvX6lCwUUvj/Eo6l7zlvRZmEORP4826ms972Ko4Gn42Uab2D606DyIWSAk2GfQbnPJzlBMGSdJw0YKQvNhztZfa7R105fckQftTWeT5ZhNw0qV3+Br8ciyTWfeeIv0EmF+zkHh4MgdA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782952260; c=relaxed/simple; bh=5NELd3GwPgNAqwbyuRg2/wom50MkFq3E9s3U/c7w1XQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=N35z17ayoRM7c9ZoKh6eMpXQhEAXLv2uIgb+Wi8B0ZqXmZP+M6WHWIvaRcotLrWu3LGBNu61crTRtIbECH4J4AvQqmmi/EOtDmhOZLTrbbTxWwcMRaoKs1JxrhbOPL1ROmWHwqvWH3SltWUUV8KqblIZQlSHMzicX8xVbKq3Hzk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=e3tFJhsV; arc=none smtp.client-ip=198.175.65.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="e3tFJhsV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1782952258; x=1814488258; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5NELd3GwPgNAqwbyuRg2/wom50MkFq3E9s3U/c7w1XQ=; b=e3tFJhsVAvrcSzdDqZfbsTvH4ljrgC5Uz/bFfVvHZKNGr/SeKEt6mAa/ LbfD34dlYyX37HaLUOLkgSDyGwt4641SvTeJqqbIu26LLryEBAeu1N0mg y/PrzwrD/lWJ9mAA43nsfzJHscCSYqiA3D6WpU+nNC9hh6Nh7mTuhKxVg qYl9F56r10SYTPcjH4Qc+hvZN/yQB2fYLPZ/8qSg0Mv2TES9iOrIihWn4 crOXMjHalXcHM8rL+8rBDavHm9FhLgGRmyfIWg9xOjTIz6YrEHtwcM+ZP naNbaoAd7W2eHjNIrEwIX/LL9O476iPUKqfxKvUAUAPpYmYeoMZPs577b g==; X-CSE-ConnectionGUID: kj2Tuil4Q5Gz9yn/cUSKHA== X-CSE-MsgGUID: Y2Pq5RXDS5+VrKuJsd2Syw== X-IronPort-AV: E=McAfee;i="6800,10657,11834"; a="83565782" X-IronPort-AV: E=Sophos;i="6.25,142,1779174000"; d="scan'208";a="83565782" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2026 17:30:57 -0700 X-CSE-ConnectionGUID: xotFP3wKSKWGL3pqXOKxRg== X-CSE-MsgGUID: 0A2RlU5GQOmIl+pyK6VWgQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,142,1779174000"; d="scan'208";a="275920062" Received: from aschofie-mobl2.amr.corp.intel.com (HELO localhost) ([10.124.221.139]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2026 17:30:56 -0700 From: Alison Schofield To: Davidlohr Bueso , Jonathan Cameron , Dave Jiang , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Li Ming Cc: linux-cxl@vger.kernel.org Subject: [PATCH v2 3/3] cxl/test: Assign one mock memdev a full-width serial number Date: Wed, 1 Jul 2026 17:30:46 -0700 Message-ID: X-Mailer: git-send-email 2.47.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Mock memdev serial numbers have historically been derived from pdev->id, leaving them single-digit. As a result they never exercised either the decimal-vs-hex security-key lookup or unsigned formatting of large serial numbers. Give one mock memdev a full-width serial with bit 63 set. This mirrors real hardware (for example, Montage devices) and provides a test device that exposes both the hexadecimal-vs-decimal and signed-vs- unsigned formatting differences. This enables adding a new test case to cxl-security.sh that does an auto-unlock using a mock device whose serial exposes both formatting differences. Signed-off-by: Alison Schofield --- tools/testing/cxl/test/mem.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c index a1d170f88fee..42f5ffd29651 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -1714,6 +1714,7 @@ static int cxl_mock_mem_probe(struct platform_device *pdev) struct cxl_mockmem_data *mdata; struct cxl_mailbox *cxl_mbox; struct cxl_dpa_info range_info = { 0 }; + u64 serial; int rc; /* Increase async probe race window */ @@ -1740,7 +1741,19 @@ static int cxl_mock_mem_probe(struct platform_device *pdev) if (rc) return rc; - mds = cxl_memdev_state_create(dev, pdev->id + 1, 0); + /* + * Mock serials have historically been derived from pdev->id and stayed + * single-digit, so they never exercised either decimal-vs-hex key + * lookup or unsigned formatting. Give one mock device a full-width + * serial with bit 63 set, matching real hardware such as Montage CXL + * devices. pdev->id 7 is unused by the auto-region topology. + */ + if (pdev->id == 7) + serial = 0x8a34567890abcdef; + else + serial = pdev->id + 1; + + mds = cxl_memdev_state_create(dev, serial, 0); if (IS_ERR(mds)) return PTR_ERR(mds); -- 2.37.3