From patchwork Wed Oct 23 17:21:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yazen Ghannam X-Patchwork-Id: 13847695 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (mail-dm6nam12on2041.outbound.protection.outlook.com [40.107.243.41]) (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 04B0D1D90CC; Wed, 23 Oct 2024 17:22:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.243.41 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729704140; cv=fail; b=fqEcjPZNwNaiAxJAppvpExwmgkhdamzKqjuevk0PXimy5yukydMLeeRJz+xsj3F+R+2OmxZRvD29aUd/Ajx2ILSVeZBVychJMGMcp5WtWyTryUBdvjI9SWORCC4bw3cy+LSBb+D8DjwZ0TS02rlz3/6iWKzkNrbrNUWrGAkbHCA= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729704140; c=relaxed/simple; bh=vxnUz39tXhaSF/+EKlfjD3GLnCvo3efmW5433yX4jjc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=olbMEOtNqpFXJekWxrkFxZ2DkIw2FdTo9YvY+TC2ipa3smI6SzEsI8Yyeh6ox3PxG0MqGcp7R9cMMeyI2VDDi4fIAvpX1dGaXEqYGl0lYgNcUw7Q0vWrp7KiqKz23XXw4+kCVZ0AW5gT+hsrmHFd+ihzuFIFFCrzG8ByNRKdvkI= 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=V/oErfdo; arc=fail smtp.client-ip=40.107.243.41 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="V/oErfdo" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=SwEgzUTVNtLVUZ4/vPmAXbBdp0PGyGGpWH0phAXHiSiR3Ax+OxQrCYa1i/WhpyKUS/MseSVc5NMB2mUEFxIVCqx76lB0mayXKx4U+Uy0lLeBp27+B8TwWUqahOdXigkvpjPwYcQQbrYqErwsA3cDqvZuZC53LUYQW2CtRuQATycj5PLF30/HaxxKlypvZV9WFWlP1p5sO7FfjOnXyV1yLkPooSDEf4EBEcJEvvK9fgB1UwjnRcqdwpBZLiTN/VV/yvTmgelxZEv+cu997CYN4KBVUzQxFJ8CRcvPu8gBJlvfNV9GvllIFQ56SswFTQs0WICOldQoT41td+wFdpyekg== 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=B2qEhf+sZ74FtAnmvgJtWbCI+nEt79U6lU9mDvTbpkM=; b=ibMmTc+Ix7XPPDzOeOLpEVuagbCZd9eDOjmQHjsDe3ihxedyfmMKjYIxNNhEbfPZa3inDxPsU6ylcqp71BTXeyxn60liBfBaUlMoZbCeCtanvf2irJvPiTCSc4SXLuKearRpdxtq5pU9w4AfuUyWGhKafJkug6Al1Jyc4Tv73T0gjPKMW+qTspjNSQYOTNx92o8mDeak1D01PYvisc/x+s8m5V1ntujmHpvFgSbiUHXme4rEgwMYZSayew55+Ge8cbvTUK251dolQsYRTZFuU/sPaJapikxbqcSDfnr4mQRaH15d8oh46AAI50YZf8XtUHh3b6Y/c/Oh3qk1o9iBJA== 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=B2qEhf+sZ74FtAnmvgJtWbCI+nEt79U6lU9mDvTbpkM=; b=V/oErfdo5vshbdH9hZJaQmu2s/QTxMvKrKUyDhrlwmI+zYvtCaNhmszEL+o8GKSDE6vZvS9oHn+MHJl599mxMwoUJvV/+TaHwrdQiNgGIkARDbkTmkmmLVQWaU8XTisu6TOxDb3qVswP5jmRLZxlaEsUToJg8RDigAB8Z/rDis8= Received: from MN2PR01CA0059.prod.exchangelabs.com (2603:10b6:208:23f::28) by PH7PR12MB5997.namprd12.prod.outlook.com (2603:10b6:510:1d9::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8093.16; Wed, 23 Oct 2024 17:22:13 +0000 Received: from BL6PEPF0001AB4C.namprd04.prod.outlook.com (2603:10b6:208:23f:cafe::a9) by MN2PR01CA0059.outlook.office365.com (2603:10b6:208:23f::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8093.20 via Frontend Transport; Wed, 23 Oct 2024 17:22:12 +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 BL6PEPF0001AB4C.mail.protection.outlook.com (10.167.242.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8093.14 via Frontend Transport; Wed, 23 Oct 2024 17:22:12 +0000 Received: from purico-9eb2host.amd.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; Wed, 23 Oct 2024 12:22:11 -0500 From: Yazen Ghannam To: CC: , , , , , , , , , , , , , , , , , , , Yazen Ghannam Subject: [PATCH 09/16] x86/amd_nb, x86/amd_node: Simplify amd_pci_dev_to_node_id() Date: Wed, 23 Oct 2024 17:21:43 +0000 Message-ID: <20241023172150.659002-10-yazen.ghannam@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241023172150.659002-1-yazen.ghannam@amd.com> References: <20241023172150.659002-1-yazen.ghannam@amd.com> Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB4C:EE_|PH7PR12MB5997:EE_ X-MS-Office365-Filtering-Correlation-Id: 4e6bd5cc-3abb-4839-b88d-08dcf3873bd4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|36860700013|7416014; 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)(1800799024)(376014)(36860700013)(7416014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Oct 2024 17:22:12.7667 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4e6bd5cc-3abb-4839-b88d-08dcf3873bd4 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: BL6PEPF0001AB4C.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB5997 From: Mario Limonciello amd_pci_dev_to_node_id() tries to find the AMD node ID of a device by searching and counting devices. The AMD node ID of an AMD node device is simply its slot number minus the AMD node 0 slot number. Simplify this function and move it to amd_node.h. [Yazen: Update commit message and simplify function] Signed-off-by: Mario Limonciello Co-developed-by: Yazen Ghannam Signed-off-by: Yazen Ghannam --- arch/x86/include/asm/amd_nb.h | 17 ----------------- arch/x86/include/asm/amd_node.h | 6 ++++++ 2 files changed, 6 insertions(+), 17 deletions(-) diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h index a0f2182107b0..b3b42e585655 100644 --- a/arch/x86/include/asm/amd_nb.h +++ b/arch/x86/include/asm/amd_nb.h @@ -52,23 +52,6 @@ u16 amd_nb_num(void); bool amd_nb_has_feature(unsigned int feature); struct amd_northbridge *node_to_amd_nb(int node); -static inline u16 amd_pci_dev_to_node_id(struct pci_dev *pdev) -{ - struct pci_dev *misc; - int i; - - for (i = 0; i != amd_nb_num(); i++) { - misc = node_to_amd_nb(i)->misc; - - if (pci_domain_nr(misc->bus) == pci_domain_nr(pdev->bus) && - PCI_SLOT(misc->devfn) == PCI_SLOT(pdev->devfn)) - return i; - } - - WARN(1, "Unable to find AMD Northbridge id for %s\n", pci_name(pdev)); - return 0; -} - static inline bool amd_gart_present(void) { if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD) diff --git a/arch/x86/include/asm/amd_node.h b/arch/x86/include/asm/amd_node.h index 419a0ad13ef2..8e473a293706 100644 --- a/arch/x86/include/asm/amd_node.h +++ b/arch/x86/include/asm/amd_node.h @@ -30,4 +30,10 @@ static inline u16 amd_num_nodes(void) return topology_amd_nodes_per_pkg() * topology_max_packages(); } +/* Caller must ensure the input is an AMD node device. */ +static inline u16 amd_pci_dev_to_node_id(struct pci_dev *pdev) +{ + return PCI_SLOT(pdev->devfn) - AMD_NODE0_PCI_SLOT; +} + #endif /*_ASM_X86_AMD_NODE_H_*/