From patchwork Mon Dec 9 18:54:07 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: 13900249 Received: from NAM11-DM6-obe.outbound.protection.outlook.com (mail-dm6nam11on2087.outbound.protection.outlook.com [40.107.223.87]) (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 C6C8519AA63; Mon, 9 Dec 2024 18:54:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.223.87 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733770494; cv=fail; b=OWfvtdB4iNKC4lxflWm+jvfQwkNqwTZcmearts57aAg7GkSUJjZi1YzmJLY1HJymMEVz/wQXuuQEGphm7DzWwIR1BnP5HZeQFaTyh8K28nnPbCsbtRNXs1V+8vPg38V9sgN9eUIfWQmQNtKTq/BJAih9xu18SWhkIfMadhU8apE= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733770494; c=relaxed/simple; bh=JCup7PHOAx1Xw+rlb8dH4prkmnNUmXKQncUVBK9btcQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LGeUVg29d2EbT4tTzDv+tO1vUu0OCiAJetYlfDqCdLg0EnB9obWRBNN/NTwhk+QZyEsHYjm1b5cxPEL1zNdUBu0QX1mpZCPVXMNeRUZQOd6jmBQdJ+tu7OQP2rDYgKxfdqScIiE/FPL1WYGKI8TOpjDYTbjpvVWNUjsg8QHN62M= 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=hmFCgVEj; arc=fail smtp.client-ip=40.107.223.87 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="hmFCgVEj" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=ASg4C6g2wI24yxCMWk4STUHIKF0+OS86c8E8p9U+ySJt5mR0QFicFkmW/4AAvOfNv9s2GwD47zRUxjH81kbjASri2VszHBUTUfWnx0P//CeCczycw7Q1GHEDEEDvZKaYschgQim7rn4YleTDFvQmSM0iNlhfWQ1boQUEwmnYn4fB8079zJm59GRZ2E5qL+lHXXpcin43WAbzk+KJtOhJngQw1BeQmIbT7hh3dnHhCbRW3PS5LuEWyLjiSvZh4dD6BKhY3XSkmAqpDR/c81nSbcM7R5FgcyBUPJOh7JVw/3SvKFzywusPUCSOq/atdFdej6M+iq7WnK/ZNQvPw+OcNQ== 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=nDAM9H7efLEUMiHNabigx8VgzwoFyLI5laLkDY2U9VE=; b=c11EDXOyNOVKoBLo33X6n5A2UBoI9Zxjh0QMzSFZXtOmZu7PRqUVfkg3Lg1p5/hT6XgTpMxeiipJ+Wyt9CRfYwbkQCYE6ydNX+OzHcexjDX0syIo3aMQ6hY/LhStMff0KS0dWSyd+3u3bs/Qu9nCrr9MdT82kuzrinS1ruxZNgm3rQFGy5WKQdcHQUBB+hZMbE9p91WzwsldgaR5RPxM/Mnb7wcPOCsZ5GtA3oURKFM3l5ekKZQwt9lzH8RWcKKBehnuM+UU+oBhNaiYsBcf8fb/2fmBKpkgxqKK2jv2DYfwFM3GQmra16KUBxel0DMMZGfTBBnVI7c6xBenD5/mSw== 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=nDAM9H7efLEUMiHNabigx8VgzwoFyLI5laLkDY2U9VE=; b=hmFCgVEjD0Jl0F8xSyFNihhdyXu7omOnCg3YCIj/PsoCwEmgmpQ1aDHq67CytmGwUXLsuvcJh1LhZpcMChgaOINP4OzOYN5G2A8v8h+vYRrtHuR+3F2pO4TH+KKeL25XCI45EuZk5Vfs0n6HGPYMR6tmL9HIgxSJRf7LFcmflBo= Received: from BLAP220CA0007.NAMP220.PROD.OUTLOOK.COM (2603:10b6:208:32c::12) by DM4PR12MB6301.namprd12.prod.outlook.com (2603:10b6:8:a5::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8230.11; Mon, 9 Dec 2024 18:54:47 +0000 Received: from BN2PEPF00004FBA.namprd04.prod.outlook.com (2603:10b6:208:32c:cafe::b4) by BLAP220CA0007.outlook.office365.com (2603:10b6:208:32c::12) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8230.15 via Frontend Transport; Mon, 9 Dec 2024 18:54:47 +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 BN2PEPF00004FBA.mail.protection.outlook.com (10.167.243.180) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8230.7 via Frontend Transport; Mon, 9 Dec 2024 18:54:47 +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; Mon, 9 Dec 2024 12:54:47 -0600 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; Mon, 9 Dec 2024 12:54:45 -0600 From: To: , , , , , , , , , CC: Alejandro Lucero Subject: [PATCH v7 06/28] cxl: add function for type2 cxl regs setup Date: Mon, 9 Dec 2024 18:54:07 +0000 Message-ID: <20241209185429.54054-7-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20241209185429.54054-1-alejandro.lucero-palau@amd.com> References: <20241209185429.54054-1-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: BN2PEPF00004FBA:EE_|DM4PR12MB6301:EE_ X-MS-Office365-Filtering-Correlation-Id: db522ee8-b3f2-45d0-8945-08dd1882f404 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|82310400026|36860700013|921020; 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)(1800799024)(376014)(82310400026)(36860700013)(921020);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2024 18:54:47.4606 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: db522ee8-b3f2-45d0-8945-08dd1882f404 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: BN2PEPF00004FBA.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6301 From: Alejandro Lucero Create a new function for a type2 device initialising cxl_dev_state struct regarding cxl regs setup and mapping. Signed-off-by: Alejandro Lucero Reviewed-by: Dave Jiang Reviewed-by: Fan Ni --- drivers/cxl/core/pci.c | 47 ++++++++++++++++++++++++++++++++++++++++++ include/cxl/cxl.h | 2 ++ 2 files changed, 49 insertions(+) diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c index 3cca3ae438cd..0b578ff14cc3 100644 --- a/drivers/cxl/core/pci.c +++ b/drivers/cxl/core/pci.c @@ -1096,6 +1096,53 @@ int cxl_pci_setup_regs(struct pci_dev *pdev, enum cxl_regloc_type type, } EXPORT_SYMBOL_NS_GPL(cxl_pci_setup_regs, "CXL"); +static int cxl_pci_setup_memdev_regs(struct pci_dev *pdev, + struct cxl_dev_state *cxlds) +{ + struct cxl_register_map map; + int rc; + + rc = cxl_pci_setup_regs(pdev, CXL_REGLOC_RBI_MEMDEV, &map, + cxlds->capabilities); + /* + * This call returning a non-zero value is not considered an error since + * these regs are not mandatory for Type2. If they do exist then mapping + * them should not fail. + */ + if (rc) + return 0; + + return cxl_map_device_regs(&map, &cxlds->regs.device_regs); +} + +int cxl_pci_accel_setup_regs(struct pci_dev *pdev, struct cxl_dev_state *cxlds) +{ + int rc; + + rc = cxl_pci_setup_memdev_regs(pdev, cxlds); + if (rc) + return rc; + + rc = cxl_pci_setup_regs(pdev, CXL_REGLOC_RBI_COMPONENT, + &cxlds->reg_map, cxlds->capabilities); + if (rc) { + dev_warn(&pdev->dev, "No component registers (%d)\n", rc); + return rc; + } + + if (!test_bit(CXL_CM_CAP_CAP_ID_RAS, cxlds->capabilities)) + return rc; + + rc = cxl_map_component_regs(&cxlds->reg_map, + &cxlds->regs.component, + BIT(CXL_CM_CAP_CAP_ID_RAS)); + if (rc) + dev_dbg(&pdev->dev, "Failed to map RAS capability.\n"); + + return rc; +} +EXPORT_SYMBOL_NS_GPL(cxl_pci_accel_setup_regs, "CXL"); + int cxl_pci_get_bandwidth(struct pci_dev *pdev, struct access_coordinate *c) { int speed, bw; diff --git a/include/cxl/cxl.h b/include/cxl/cxl.h index 05f06bfd2c29..18fb01adcf19 100644 --- a/include/cxl/cxl.h +++ b/include/cxl/cxl.h @@ -5,6 +5,7 @@ #define __CXL_H #include +#include enum cxl_resource { CXL_RES_DPA, @@ -40,4 +41,5 @@ int cxl_set_resource(struct cxl_dev_state *cxlds, struct resource res, bool cxl_pci_check_caps(struct cxl_dev_state *cxlds, unsigned long *expected_caps, unsigned long *current_caps); +int cxl_pci_accel_setup_regs(struct pci_dev *pdev, struct cxl_dev_state *cxlds); #endif