From patchwork Thu Oct 17 16:52:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lucero Palau, Alejandro" X-Patchwork-Id: 13840385 X-Patchwork-Delegate: kuba@kernel.org Received: from NAM12-DM6-obe.outbound.protection.outlook.com (mail-dm6nam12on2070.outbound.protection.outlook.com [40.107.243.70]) (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 A2C501E0B61; Thu, 17 Oct 2024 16:53:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.243.70 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729184010; cv=fail; b=SFUOQJQGipZIQn0UXv03TQcqvynV3vVtMXvqiRr/Z4juqIZB+az+n/i7C+CMD6pYDUCt0ExoHCY/uwTBG2pCtaerL0JhPMP4Nv+OGH323lITIOXGzUBUWzZS3qdEBDusSnGmnCmInbF6G+kAUzkqFZvV0aVOGbJxPn/2OpnDlds= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729184010; c=relaxed/simple; bh=32+FTR8e7P6rxlvWPqvp0bmnw0i0I2BlpMPc/QWrxc4=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=p0VbX8fp8vne5KK9fY0konPZsDAxZbIE2eV3PO2wBsHw325i7FldLrtr/YZ4paV43Sx2lDa8appkS0KESHdrlggL8RyGemA2KjpZwjr5U5sKSYV8cZnHh6hBkWOzVbYTHx1msTHfLOagKWnoqu4v22rnp277pmkb0I4pu9TlWDc= 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=oligiGor; arc=fail smtp.client-ip=40.107.243.70 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="oligiGor" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=R/9kJQHjYdVY0eL/gn+uoYdJpyq/vZXS3pWlTKrjJ6BnVlzD1I6gxq2B1tpbBi3ptr2UFy2sXVBeD76d9JXxVamEFG8kwGPxkTov9eHKUH5fMDEyHyvr9slbAdiPsGGrld75W/Nl5XZjy4E2aT8tTb9SPYM7KxqupRc8HC89nUJXAJcgufUl0Oae3Oz1Xp6lWZRKzJ6yHbqcUwcOEEgKmoBLu+KNFiZrHxRrloTViaKAwMbL31S3LkdJwEqDx9hZxow48gCy67UvGDVgm3l/vIj3Co2QAlrpTnZTE8p5rI96aRGGazDYXCxFDkPFBS8DXBY96ZFcjZkt13D5xy2NAA== 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=+jqc/Yl4Rljn1gTC6MPfbh7nvnnOV+97BQj9ElzGccw=; b=IgR4q459QiBAU7FCAuEbbgxpVs9nvjvuHY9fkdqFLXHyxBKEYZFQIg5r6uP5JctyGGRCPEgpe6fJfD+CcjUaQVch8WVitBE+lEFRy1PSuN3mnOdXbwddOjRB9mf15w8OTlC6riOlmbgwU4Ng905S9KJhvlpdQybKPI2g/ZQab/5FW6V0b4sg+YucyzL8FVzm4DYneIzoOCcJlcMguIWIOPP/HU56y8P1IZ/E3I9j4fPl1M5w2T2pQApOEm3o0vfieEZwIwlDOFDBH0VWZVF77dWPxNxDl4+qAK6lrTHeHaEXFCFyj+InGsLumlo0R0jKihj+mHkecGBNjBXCPwIRSQ== 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=+jqc/Yl4Rljn1gTC6MPfbh7nvnnOV+97BQj9ElzGccw=; b=oligiGorXzinMa0OBhEMKYQcUuJZ9pFC5uLPAkfO5kCr783CJn/tsKWQCpCkE2pABJpOa0dAYOQyCgqxv5y98/lLnf1KEPjXm/uxMg9iFwHBSILpVGKFSSY1ai1CDJL6Hehss+DYp7zwRZzkJkPRwf+BEhZH3Rwpm7w6eNRruuM= Received: from MN2PR20CA0026.namprd20.prod.outlook.com (2603:10b6:208:e8::39) by CH3PR12MB9432.namprd12.prod.outlook.com (2603:10b6:610:1c7::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8069.18; Thu, 17 Oct 2024 16:53:23 +0000 Received: from BL6PEPF00020E61.namprd04.prod.outlook.com (2603:10b6:208:e8:cafe::8f) by MN2PR20CA0026.outlook.office365.com (2603:10b6:208:e8::39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8069.21 via Frontend Transport; Thu, 17 Oct 2024 16:53:23 +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 BL6PEPF00020E61.mail.protection.outlook.com (10.167.249.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8069.17 via Frontend Transport; Thu, 17 Oct 2024 16:53:23 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) 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; Thu, 17 Oct 2024 11:53:21 -0500 Received: from xcbalucerop41x.xilinx.com (10.180.168.240) 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 via Frontend Transport; Thu, 17 Oct 2024 11:53:20 -0500 From: To: , , , , , , , , CC: Alejandro Lucero Subject: [PATCH v4 07/26] sfc: use cxl api for regs setup and checking Date: Thu, 17 Oct 2024 17:52:06 +0100 Message-ID: <20241017165225.21206-8-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241017165225.21206-1-alejandro.lucero-palau@amd.com> References: <20241017165225.21206-1-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 (SATLEXMB04.amd.com: alejandro.lucero-palau@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00020E61:EE_|CH3PR12MB9432:EE_ X-MS-Office365-Filtering-Correlation-Id: 20791f42-b2e2-4899-c276-08dceecc3675 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|1800799024|82310400026; X-Microsoft-Antispam-Message-Info: zaQeva03krOsWbhFke7dR3N5fjRB0NeH038ZgQ7y0X3gUBTkjdOrns8BXviQeUJGCWq2inprHlxE+fKWFk0sp6mGw83kmVRgI2bPqR4pJ0pqq96+/FftMfV2i1O9Y3Nnez1GjIMKqPC4S5ZFz5Yo0yDD7fgwe5CbVxn1jf+9Ou3qD1zYC+TB2n0Ld4AJzDzQyL8/gux4zK7duRfz8u0SDIUgm8j95FSuNviwgPGq0CI3ZRFdCQXyL05t0oWKAJzHDBgoVIsC7HTUwZG5W/5WNwoDq34mN2UgiG9udeUAtePXtbj2ZzJMSp4IDnuvhORUiqv52ogfHSlGWPLnxt9Sn5TXw+8SAFbqvbZYrSLwlTh5dbdhIiKjoSErNxvr2KmnyBp4TZhJXy+V0mg8EsxhPUe4gr7m/gjknbYSgL305MvQyx2rhlXAkwhSE05O+M4inGZiZbryK7BZ0Oa9PoXzP2UF6EgbyRvlJw+72GRZQ59cUY34RRqDquesR4MVMxJmEtZeAIf+qEpjmVy6spPDJvpY5YWt118AeCDK6rGXG+eUOLVL9BS9pAcgUdw2XW97kZKNmbocO9uA8i5RxInJD4dacvkUhv0xClEmR124n76YD+KkcKFbJqjzdnyPdRX3Cduye2GnRYyCw8bdf2Nf7Su7q/xZCQuWCfSx+pmFKNm8GA3Mtoh89tJq3/l2NGK6qzJDjlmE/4e1v1GOeQWpQo872kCd4DGgZu8IH2r89OCJ2wKvdmilP2ZN1GxrWDoJ5PPOtwlSfKQoxiP7RtSbeIAv9WPMWmDAXBVKo+c7ZvVw13k/MgKdJc03oEt3XTD5jeOdHkXv9pADzWLPGkjqMYA/IZzHCY8MkBE3ZbZswWf5uZQ9yc1t14nxaENn5iodUJ1Hb5NMF42tj0e9OGmpe2nTON+nTaajnj5yjGtk5huwhelpXBWXr2MOAaBNocpYRsePifKGF/EC0Em57QIik3efyzYkEo2vDvTiNgl0aUbqU9YXC0CRiAR7UZZfjx7PmTRgp84isKHlXR+LUHdrtVelvnkrugHf0ICqEGifoIxmitJ5M4aGgHo3iZpXxPlls2dRAh4wkqiGyQblLgY92m4Z3ARSeX2UfmsY9Xb52eY7gEC7X0AyhGYkf3qKqBk7F5aMgNaLKUOzLG18QrahEug1tu4QuECupMZaHHrzio1o7r/dDz0SAFf7f6Aiy0/p5SkTBvz0W0HJazF+xl0l5bCJDW3+LD1UZZ/FtlwU5A7VhHIWvvV6cbeqoCQJ04ePgdIT+EP+n8UOJCl5h/HkFZPs+OuE12AVkRcETst3ADmQlRVnOzZwZKP7+pX0CXrUU33bFLtfmZu85Fo2SXi8xEfPyMcAymEY/qIcNLrgwgFdPW26pIxubFmBqxHTHBKyfUxUn7sxuGl9OHmuWtNgiQ== 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)(376014)(36860700013)(1800799024)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2024 16:53:23.3569 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 20791f42-b2e2-4899-c276-08dceecc3675 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: BL6PEPF00020E61.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB9432 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. Signed-off-by: Alejandro Lucero --- drivers/net/ethernet/sfc/efx_cxl.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c index fb3eef339b34..749aa97683fd 100644 --- a/drivers/net/ethernet/sfc/efx_cxl.c +++ b/drivers/net/ethernet/sfc/efx_cxl.c @@ -22,6 +22,8 @@ int efx_cxl_init(struct efx_nic *efx) { #if IS_ENABLED(CONFIG_CXL_BUS) struct pci_dev *pci_dev = efx->pci_dev; + DECLARE_BITMAP(expected, CXL_MAX_CAPS); + DECLARE_BITMAP(found, CXL_MAX_CAPS); struct efx_cxl *cxl; struct resource res; u16 dvsec; @@ -64,6 +66,23 @@ int efx_cxl_init(struct efx_nic *efx) goto err2; } + rc = cxl_pci_accel_setup_regs(pci_dev, cxl->cxlds); + if (rc) { + pci_err(pci_dev, "CXL accel setup regs failed"); + goto err2; + } + + bitmap_clear(expected, 0, BITS_PER_TYPE(unsigned long)); + bitmap_set(expected, CXL_DEV_CAP_HDM, 1); + bitmap_set(expected, CXL_DEV_CAP_RAS, 1); + + if (!cxl_pci_check_caps(cxl->cxlds, expected, found)) { + pci_err(pci_dev, + "CXL device capabilities found(%08lx) not as expected(%08lx)", + *found, *expected); + goto err2; + } + efx->cxl = cxl; #endif