From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from DM1PR04CU001.outbound.protection.outlook.com (mail-centralusazon11010060.outbound.protection.outlook.com [52.101.61.60]) (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 D7F2E403AE6; Mon, 3 Aug 2026 13:26:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.61.60 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785763578; cv=fail; b=RV38BzxJUdVvbaC5t9O+uCCaeJgb9t7KaNwuVgXJNarmkaK9IgVXJCXguI8POk/+f8sfGbfNni2Fh/rrrwpgYVO18Z3JXmoXDuwQecLlUeBpD+CUAs+4zHje/50JmXbiSotIQe3VK5NIjoIqkbxTC03o04u5A+cl0n+BDovc+ds= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785763578; c=relaxed/simple; bh=RbZAmq11lMfptBep6Iof4585bH64D/dY3csPA/ec2BI=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=JCLt/N4bAPcE7vKJfnJH4qOdODkmK9I8VfVeG0AfmTKbN6J8DCHSmY54Z2QY4u5xm92kZyLXk7QqPzuKQzajQkwHVLVBlekSsPTGTVKWJ46lbtZScHdqw3TbEF2z8irAIyO3Y9YuCOP3IxBN+lghPMx/RijKJ0L8BbSs2ZkI55I= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=Uqzfwjw6; arc=fail smtp.client-ip=52.101.61.60 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="Uqzfwjw6" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=UdfpZ6YzoKOgv5C+CzVNvzy+ikUZUDSZWQu5V94PssmnDfcjd8Ubq00rDNuSZrDH8oRG7ZoHDH32Fi14D4ms3atTwCBzeZ1DApO4NaSqLWpg3MRPRRvdD4rjA87AgX+BiZPBEp72MPnhKdfvZSwZuswkaNwX7swhibQ0TFugiZWfMhrwFExEc2ofNJLHmxfRyOPeNXhG1qZ7jU8/sddhMMIns1PQ7+Mimx9UiUO9NN3qH28HHyFhSnVF/hvgHkCQSaUwMQxoNXp8q3ZLGiEbrFX1Q9V8CGdF8r5uPGKzA4huE2fxxHRQrORrxp6COhBtAtu59wGsjeWQuz+Pt2s+Wg== 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=4/SzXuF87TrcLwdKQHvWpvA1vqI8LGaP1fgGnV9xFZY=; b=IAonPF5PQKeRbaQbLhICqz2MG8TgGrDSlfW3doOOtG0/RAvm58fSo0dazrHzq809aAQuWtL3+6J4RSNZAihabB+wS0elvf0yaRDng5w/PeBzF6MVu+ZLw5f2LaHRvj0lNISegdImhkDUbyphncSJ0nwQNdeSwFiqRBqjHd3ALdZ6jhncZ+RuQgf8YB3HcjK6Tsno7os4mBHqsstZZAS7eaOuHuGDvLhoNtbfGBQoBxwB9gv8poq/PLq+tWkSlB+Z+t06omkH7vHOy7vHLX7sCt4Cuv9W7/XexfCzu5YQQizJEQzRPU8MzmKrXTIeQRlFtQflLtSVsYd9DmNyhqWrng== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.118.233) smtp.rcpttodomain=lunn.ch smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=4/SzXuF87TrcLwdKQHvWpvA1vqI8LGaP1fgGnV9xFZY=; b=Uqzfwjw6H+jWvYOMXAbd4cHFpCsEq4eZMhtHbN6kmVrTuJFluWJHavGP8WuO3CzkvIN8tO5S6CAiht8SC8SQ04RCD4Zp6jAQw4YKGVhxXURQ6MoQ3KhAQlkxiwnvBG7DLxwCMZblzVQDvtokjOBCE97IkNDSO0e26zs18tqp7P7eYETqVwxeBjkkvXcYNOogoC+sV+hc33KA2UaWmykwumbyiTNX/M5hg0O+lclO4zmbJ0urHxoPeQt9+U52oe46sRzzD7RIRyhUKjF4qG6o6/D/QJIo5MEiamWuENSnC6eej4KplNuNBNlpJJGKAEuguJ0fQJPrV6YQ9XA/RqHHDQ== Received: from BLAPR05CA0040.namprd05.prod.outlook.com (2603:10b6:208:335::21) by DS0PR12MB6584.namprd12.prod.outlook.com (2603:10b6:8:d0::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.270.17; Mon, 3 Aug 2026 13:26:05 +0000 Received: from BL02EPF0001A104.namprd05.prod.outlook.com (2603:10b6:208:335:cafe::68) by BLAPR05CA0040.outlook.office365.com (2603:10b6:208:335::21) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.292.14 via Frontend Transport; Mon, 3 Aug 2026 13:26:05 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.118.233) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.118.233 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.233; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.118.233) by BL02EPF0001A104.mail.protection.outlook.com (10.167.241.135) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.292.8 via Frontend Transport; Mon, 3 Aug 2026 13:26:04 +0000 Received: from drhqmail201.nvidia.com (10.126.190.180) by mail.nvidia.com (10.127.129.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 3 Aug 2026 06:25:49 -0700 Received: from drhqmail203.nvidia.com (10.126.190.182) by drhqmail201.nvidia.com (10.126.190.180) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 3 Aug 2026 06:25:49 -0700 Received: from vdi.nvidia.com (10.127.8.10) by mail.nvidia.com (10.126.190.182) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Mon, 3 Aug 2026 06:25:46 -0700 From: Tariq Toukan To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , , Paolo Abeni CC: Dragos Tatulea , Gal Pressman , "Leon Romanovsky" , , , Mark Bloch , Nimrod Oren , Saeed Mahameed , Tariq Toukan Subject: [PATCH net-next V2 0/3] net/mlx5: allocate doorbells from dma pools Date: Mon, 3 Aug 2026 16:25:17 +0300 Message-ID: <20260803132520.2891860-1-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF0001A104:EE_|DS0PR12MB6584:EE_ X-MS-Office365-Filtering-Correlation-Id: 93fa872c-3430-4156-2001-08def162c4ed X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|82310400026|23010399003|36860700016|18002099003|6133799003|56012099006|11063799006|10067099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(1800799024)(82310400026)(23010399003)(36860700016)(18002099003)(6133799003)(56012099006)(11063799006)(10067099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: KAx7UlkXYNOEbHxo5eIk+mQQawZVC8oOomVdjM47hX1KWU8kzOGA0jIxaybsGd4UiDAPna+AzoG0PBOgN/4BaCAEuxOOfiH+u5VCuuwVuMMtbgEBdnJeNPf4o9oR8XknhygVUCejpbR2ZrnrKUO8yuuyxNIry9IIN+2W5foM6/cFbHtHcJlwjbjoEU1Z4uUbmrWeSefYhY8Ocad+Ffv95HNrmhVasuBtH31KWt8B+fFMbwXkrE34Ypyt3reeV4Jc77d0sKxC5rWttZI03i4dA1wcuqKzpeVDQ4fAU3yx+5VY1vKa9nxUiHElcXJX425uVhVuFnufHwCeyQ8/h7jQUpotWnL563LApEkdeQ3lJHRSLPoqE5CwoYkF3+34P0PLppbidYd/B6rOKBs6maTpUHSka/wwM0cyRhcJ9rRQOdWURNR1Mj20ZYQ7DAUK6v9e X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Aug 2026 13:26:04.4249 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 93fa872c-3430-4156-2001-08def162c4ed X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A104.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6584 Hi, This series by Nimrod extends the mlx5 internal DMA pool infrastructure to doorbell objects. Doorbell allocations currently use a separate pgdir allocator. Moving them to the common mlx5 DMA pool implementation keeps the same coherent DMA allocation model while sharing the pool code used by mlx5_frag_buf. The series first creates per-node doorbell pools, then switches doorbell allocation to use them, and finally exposes their usage through debugfs. Regards, Tariq V2: - Dropped defensive check in patch 3 (Leon). Nimrod Oren (3): net/mlx5: initialize doorbell dma pools net/mlx5: allocate doorbells from dma pools net/mlx5: add debugfs stats for doorbell dma pools .../net/ethernet/mellanox/mlx5/core/alloc.c | 139 ++++++++---------- .../net/ethernet/mellanox/mlx5/core/main.c | 11 +- .../ethernet/mellanox/mlx5/core/mlx5_core.h | 2 + include/linux/mlx5/driver.h | 8 +- 4 files changed, 76 insertions(+), 84 deletions(-) base-commit: 69963a0678a347d57c4ac8b16939dba216eb95ce -- 2.44.0