From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 623CD21A459 for ; Mon, 17 Nov 2025 14:46:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763390779; cv=none; b=um4KbM4O2pd5Bu6KYVPhqXDNtmpfpBSPFdKGw7dLcQMWkhUS+HVL+OC3r9dizeIyCJH5C8rkH/p2F7BsjMhJ+UnVxO+HMF883Bpl2Qf/DX2HC1XcO0P3k7UMHubXHst5yN58k++ZSmIgwtEdWXXMix4Hy5Yx+OHbg8SqtBtxTvk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763390779; c=relaxed/simple; bh=wSIRoncgR7njtPSBMdDe1kOLKGj/Hp350DxCzEy3DKo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=a6VZvv8EEvc+ye7h7MTLAlDROgU2VkUP1qKU1Rt4ct+CvGHeU1R5eeCRemfsiRHz2nLDUa3liErH4svcYtoTrNWOZl/aDbayq5/9J7OBdKZd7WeAcJh5cEx2RDnDYoXeXKDuot8zxBr3yj5AS2h0lyWv1SfpWfCM+nYxqLf9+J4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7A2CC19422; Mon, 17 Nov 2025 14:46:18 +0000 (UTC) From: Dave Jiang To: linux-cxl@vger.kernel.org Cc: dave@stgolabs.net, jonathan.cameron@huawei.com, alison.schofield@intel.com, vishal.l.verma@intel.com, ira.weiny@intel.com, dan.j.williams@intel.com Subject: [PATCH v2 1/3] cxl/test: Standardize CXL auto region size Date: Mon, 17 Nov 2025 07:46:09 -0700 Message-ID: <20251117144611.903692-2-dave.jiang@intel.com> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251117144611.903692-1-dave.jiang@intel.com> References: <20251117144611.903692-1-dave.jiang@intel.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Create a global define for the size of the mock CXL auto region used in cxl_test. Remove the declared size in mock_init_hdm_decoder() function. Reviewed-by: Jonathan Cameron Signed-off-by: Dave Jiang --- v2: - Make auto region size a global that can be changed at init. (Fabio) --- tools/testing/cxl/test/cxl.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c index 2d135ca533d0..f0e734536081 100644 --- a/tools/testing/cxl/test/cxl.c +++ b/tools/testing/cxl/test/cxl.c @@ -26,6 +26,9 @@ static int interleave_arithmetic; #define NR_CXL_PORT_DECODERS 8 #define NR_BRIDGES (NR_CXL_HOST_BRIDGES + NR_CXL_SINGLE_HOST + NR_CXL_RCH) +#define MOCK_AUTO_REGION_SIZE_DEFAULT SZ_512M +static int mock_auto_region_size = MOCK_AUTO_REGION_SIZE_DEFAULT; + static struct platform_device *cxl_acpi; static struct platform_device *cxl_host_bridge[NR_CXL_HOST_BRIDGES]; #define NR_MULTI_ROOT (NR_CXL_HOST_BRIDGES * NR_CXL_ROOT_PORTS) @@ -738,7 +741,6 @@ static void mock_init_hdm_decoder(struct cxl_decoder *cxld) struct cxl_endpoint_decoder *cxled; struct cxl_switch_decoder *cxlsd; struct cxl_port *port, *iter; - const int size = SZ_512M; struct cxl_memdev *cxlmd; struct cxl_dport *dport; struct device *dev; @@ -783,7 +785,7 @@ static void mock_init_hdm_decoder(struct cxl_decoder *cxld) base = window->base_hpa; cxld->hpa_range = (struct range) { .start = base, - .end = base + size - 1, + .end = base + mock_auto_region_size - 1, }; cxld->interleave_ways = 2; @@ -792,7 +794,8 @@ static void mock_init_hdm_decoder(struct cxl_decoder *cxld) cxld->flags = CXL_DECODER_F_ENABLE; cxled->state = CXL_DECODER_STATE_AUTO; port->commit_end = cxld->id; - devm_cxl_dpa_reserve(cxled, 0, size / cxld->interleave_ways, 0); + devm_cxl_dpa_reserve(cxled, 0, + mock_auto_region_size / cxld->interleave_ways, 0); cxld->commit = mock_decoder_commit; cxld->reset = mock_decoder_reset; @@ -841,7 +844,7 @@ static void mock_init_hdm_decoder(struct cxl_decoder *cxld) cxld->interleave_granularity = 4096; cxld->hpa_range = (struct range) { .start = base, - .end = base + size - 1, + .end = base + mock_auto_region_size - 1, }; put_device(dev); } -- 2.51.1