From patchwork Mon Apr 14 15:13:20 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lucero Palau, Alejandro" X-Patchwork-Id: 14050578 X-Patchwork-Delegate: kuba@kernel.org Received: from NAM11-DM6-obe.outbound.protection.outlook.com (mail-dm6nam11on2058.outbound.protection.outlook.com [40.107.223.58]) (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 52437274FF3; Mon, 14 Apr 2025 15:14:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.223.58 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744643642; cv=fail; b=NxflQohHQpSlQarRthropChHI8oMg10tpa6WqnEnfS5n0pjlbYTIzWCe2O3rhyTe5+NJ9k/yPe75GqwCPC37E3qnk/58loBXbS6oPe3NXzWPvaxlGbYlvoXV7PmKZrszRTisnqrUhvNF4/lso2PXCeViljTzNh42Rq/rJU0NJy0= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744643642; c=relaxed/simple; bh=SeJsg2p4/Rbo53fTAQFbumcsmNKRhQDdTFj11oooLdI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LT5FFjuBZ4Utro1AVUorR3DzAl6C9tCUsXBLos5TIaCzAWYkePE99e1tsB+xjkldMohfUoSYrbDC6NOSuSSsQlgiLgkC3vE/ZQ4q2uBPcPdFwkGe84vjg7M/YaRsb9Q/EG447JwGI+5+tcTMXDptCYQKsJWJ0eyBxnZmXa7bM1w= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=Es/RxDj7; arc=fail smtp.client-ip=40.107.223.58 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="Es/RxDj7" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=X4mNlBqDBLbEym1GSyLfLDKJuNzWRBDGbBNkOCnniFrCZLySS1l6L8wSilPeCCkfBfnGIhwlrQe5bj4G6WX9YUsiPeYAYBUq0jxmBuHGi18yuo0TDJ+Ei6ZL03d+dQFH8sqX3F3dTpxEq6Rdc3GFooF0zEfM5oNFSOT4wEfyWx4FCCnIjRAGKnCkeOpX98O9kWbeHTikj1Ss2hW1VPehBevAHzgkc3B00ZXnAeEblUzbM87O4s6crDBhhnd/1V5GJugntUUCj9QKfRc1hQmz1Qmkd/I66CbzI2KLfEl0leOr9d3MJTemU5gfsANfL0mxtaAk7a/VTBT0ZNIlWtMTxg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=JRhVXGCF7jXfTrm7B0xSkd+cISfess9tlDf2PiaQQdE=; b=ASLgt0a3heo1eoOuLWrqL59XZHY3/p85Vd19dFHzW0QUoWBp6aQrhL/GHmKTo63EoUtqPMxuNkWRAS375wuKAskbWbTF2IH54VegvymP0d5I8kb+Gl8PlO+mD3rKyR+POyMS6PhwDVSU01IimH05ALrwXhZ+gq25iaB5I/PB8Q/Hr3cSofx6KIBMejn97PxIIo224vUY7NOteOEL+gPWs9GyxaNur0/GVCGWd0AF0ejyvifCpPMiB2iVGokMa+rvP1o9++TiQOUXHqYtjhMsCPDVstYRzbGlDp0LYsVVB1AfRYmOcjIi0Rrf/Gkc5yjM/6UR/pTh6wTP4l0PLeYFoQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=JRhVXGCF7jXfTrm7B0xSkd+cISfess9tlDf2PiaQQdE=; b=Es/RxDj7l1yk/UWBTf6lDdD+uEZ+DErX8cQ89TlR+GVOp3/I6D/osFbGxPKkLK0uZ4DZGZWDLpRGbU4wAsoejNDvba7aUO92dNEjgADhAyoN7dQ7JpNRdCYSyEOMDq5Exk+XN/g6T1LAcevPpDRarFEaDmJXpuhUTEL1ZU/HZG8= Received: from DM6PR03CA0077.namprd03.prod.outlook.com (2603:10b6:5:333::10) by DM4PR12MB5819.namprd12.prod.outlook.com (2603:10b6:8:63::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8632.35; Mon, 14 Apr 2025 15:13:55 +0000 Received: from CY4PEPF0000EDD7.namprd03.prod.outlook.com (2603:10b6:5:333:cafe::e3) by DM6PR03CA0077.outlook.office365.com (2603:10b6:5:333::10) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8632.34 via Frontend Transport; Mon, 14 Apr 2025 15:13:55 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CY4PEPF0000EDD7.mail.protection.outlook.com (10.167.241.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8655.12 via Frontend Transport; Mon, 14 Apr 2025 15:13:55 +0000 Received: from SATLEXMB05.amd.com (10.181.40.146) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 14 Apr 2025 10:13:54 -0500 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB05.amd.com (10.181.40.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 14 Apr 2025 10:13:54 -0500 Received: from xcbalucerop40x.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39 via Frontend Transport; Mon, 14 Apr 2025 10:13:53 -0500 From: To: , , , , , , , , CC: Alejandro Lucero , Martin Habets , Zhi Wang , Edward Cree , Jonathan Cameron Subject: [PATCH v13 06/22] sfc: make regs setup with checking and set media ready Date: Mon, 14 Apr 2025 16:13:20 +0100 Message-ID: <20250414151336.3852990-7-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250414151336.3852990-1-alejandro.lucero-palau@amd.com> References: <20250414151336.3852990-1-alejandro.lucero-palau@amd.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Received-SPF: None (SATLEXMB05.amd.com: alejandro.lucero-palau@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EDD7:EE_|DM4PR12MB5819:EE_ X-MS-Office365-Filtering-Correlation-Id: 50e01b7b-3f45-4ffe-baba-08dd7b66f932 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|376014|7416014|1800799024; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(36860700013)(376014)(7416014)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Apr 2025 15:13:55.2647 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 50e01b7b-3f45-4ffe-baba-08dd7b66f932 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EDD7.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5819 X-Patchwork-Delegate: kuba@kernel.org From: Alejandro Lucero Use cxl code for registers discovery and mapping. Validate capabilities found based on those registers against expected capabilities. Set media ready explicitly as there is no means for doing so without a mailbox and without the related cxl register, not mandatory for type2. Signed-off-by: Alejandro Lucero Reviewed-by: Martin Habets Reviewed-by: Zhi Wang Acked-by: Edward Cree Reviewed-by: Jonathan Cameron --- drivers/net/ethernet/sfc/efx_cxl.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c index 753d5b7d49b6..885b46c6bd5a 100644 --- a/drivers/net/ethernet/sfc/efx_cxl.c +++ b/drivers/net/ethernet/sfc/efx_cxl.c @@ -21,8 +21,11 @@ int efx_cxl_init(struct efx_probe_data *probe_data) { struct efx_nic *efx = &probe_data->efx; struct pci_dev *pci_dev = efx->pci_dev; + DECLARE_BITMAP(expected, CXL_MAX_CAPS); + DECLARE_BITMAP(found, CXL_MAX_CAPS); struct efx_cxl *cxl; u16 dvsec; + int rc; probe_data->cxl_pio_initialised = false; @@ -43,6 +46,31 @@ int efx_cxl_init(struct efx_probe_data *probe_data) if (!cxl) return -ENOMEM; + bitmap_clear(expected, 0, CXL_MAX_CAPS); + set_bit(CXL_DEV_CAP_HDM, expected); + set_bit(CXL_DEV_CAP_HDM, expected); + set_bit(CXL_DEV_CAP_RAS, expected); + + rc = cxl_pci_accel_setup_regs(pci_dev, &cxl->cxlds, found); + if (rc) { + pci_err(pci_dev, "CXL accel setup regs failed"); + return rc; + } + + /* + * Checking mandatory caps are there as, at least, a subset of those + * found. + */ + if (cxl_check_caps(pci_dev, expected, found)) + return -ENXIO; + + /* + * Set media ready explicitly as there are neither mailbox for checking + * this state nor the CXL register involved, both no mandatory for + * type2. + */ + cxl->cxlds.media_ready = true; + probe_data->cxl = cxl; return 0;