Cover Letter Detail
Show a cover letter.
GET /api/1.1/covers/2228578/?format=api
{ "id": 2228578, "url": "http://patchwork.ozlabs.org/api/1.1/covers/2228578/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260427051725.223704-1-a-garg7@ti.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/1.1/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260427051725.223704-1-a-garg7@ti.com>", "date": "2026-04-27T05:17:21", "name": "[v3,0/4] PCI: Add DOE support for endpoint", "submitter": { "id": 92467, "url": "http://patchwork.ozlabs.org/api/1.1/people/92467/?format=api", "name": "Aksh Garg", "email": "a-garg7@ti.com" }, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260427051725.223704-1-a-garg7@ti.com/mbox/", "series": [ { "id": 501572, "url": "http://patchwork.ozlabs.org/api/1.1/series/501572/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=501572", "date": "2026-04-27T05:17:22", "name": "PCI: Add DOE support for endpoint", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/501572/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2228578/comments/", "headers": { "Return-Path": "\n <linux-pci+bounces-53196-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256\n header.s=selector1 header.b=O4mOn3NC;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-pci+bounces-53196-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=\"O4mOn3NC\"", "smtp.subspace.kernel.org;\n arc=fail smtp.client-ip=40.93.201.67", "smtp.subspace.kernel.org;\n dmarc=pass (p=quarantine dis=none) header.from=ti.com", "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=ti.com" ], "Received": [ "from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g3sK06vgBz1xvV\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 27 Apr 2026 15:17:56 +1000 (AEST)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 3F41D300F50F\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 27 Apr 2026 05:17:45 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 7B270361DBF;\n\tMon, 27 Apr 2026 05:17:44 +0000 (UTC)", "from CY3PR05CU001.outbound.protection.outlook.com\n (mail-westcentralusazon11013067.outbound.protection.outlook.com\n [40.93.201.67])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 7867825EF9C;\n\tMon, 27 Apr 2026 05:17:42 +0000 (UTC)", "from CY5PR22CA0084.namprd22.prod.outlook.com (2603:10b6:930:80::28)\n by CH2PR10MB4312.namprd10.prod.outlook.com (2603:10b6:610:7b::9) with\n Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9846.22; Mon, 27 Apr\n 2026 05:17:39 +0000", "from CH1PEPF0000AD80.namprd04.prod.outlook.com\n (2603:10b6:930:80:cafe::1b) by CY5PR22CA0084.outlook.office365.com\n (2603:10b6:930:80::28) with Microsoft SMTP Server (version=TLS1_3,\n cipher=TLS_AES_256_GCM_SHA384) id 15.20.9846.26 via Frontend Transport; Mon,\n 27 Apr 2026 05:17:39 +0000", "from flwvzet201.ext.ti.com (198.47.21.195) by\n CH1PEPF0000AD80.mail.protection.outlook.com (10.167.244.90) with Microsoft\n SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n 15.20.9846.18 via Frontend Transport; Mon, 27 Apr 2026 05:17:37 +0000", "from DFLE213.ent.ti.com (10.64.6.71) by flwvzet201.ext.ti.com\n (10.248.192.32) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 27 Apr\n 2026 00:17:32 -0500", "from DFLE201.ent.ti.com (10.64.6.59) by DFLE213.ent.ti.com\n (10.64.6.71) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 27 Apr\n 2026 00:17:31 -0500", "from lelvem-mr05.itg.ti.com (10.180.75.9) by DFLE201.ent.ti.com\n (10.64.6.59) with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend\n Transport; Mon, 27 Apr 2026 00:17:31 -0500", "from a0507033-hp.dhcp.ti.com (a0507033-hp.dhcp.ti.com\n [10.24.68.129])\n\tby lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 63R5HQUn2543740;\n\tMon, 27 Apr 2026 00:17:26 -0500" ], "ARC-Seal": [ "i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1777267064; cv=fail;\n b=uhFDiP6bNun+b5c+SFtlEURlB6TzVs+/B41puZtjrP6f4O7Pb/ffGMOLfY1tWxOPj3mab5ca0ELT5vRXezeUNA/54gXBMmmTkxcd6sXBrv5wVDxX+kNCPDnDhWJXx167SJmnTrrFEu4pHKlrnHYuyhyRX33gDOPlwV0MqsC+9eY=", "i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;\n b=EJTnrtEmC9mGKLwkqDQuJyIQu32xkzgTGRt9PbAfCwjJCQrh99W2TixkrqCBu4LiaKdR9tpZgDEc9FesCogFPJuDArfPBwR6HIc8HWRpb3gdQgiBeJ0d+VhWDJXFm6buBDRtv2CdSu/e1FeR5j8LkGPWit2G41P3koWEqo4OM3xPAJxDu2cN6KtgD6NK+wyrNYhDFi51KI+xx9RMY+j0H8jMDjkPKIs9T/ccHGpNeVj8/R8cJ2Y8CO3tnDT/FzILHbIkTRuA1qLVcvRqbzsBilNDG5SftrWmJY25v8ez672Uk7Mq74S2wU3WL66ijrcsT04eBX2288+46jXgs8GLGQ==" ], "ARC-Message-Signature": [ "i=2; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777267064; c=relaxed/simple;\n\tbh=6gAfBoVJiuITIg71XJe+KjUuLT7e4OJQYK5KKnZyXtY=;\n\th=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type;\n b=eyTy5perjj9OZkekdYYBe7imOHH2T5ZvdBRp2V0yUM6qFeNQmzCyVVNekDWBIXqq6Bimuu1DN4NkiiKXSG5RO3/4KbPLZwzUyBSK3UDJihegBbfbj0sdaG78igz/9GpumlbieyzhzjiKTXNdR+JTjxlFjUst/J5V4Lv67CIrXg4=", "i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=arcselector10001;\n 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;\n bh=as+edK73VsLXgIETJ3PSym/WBTb2D4OlzPfwwfBcAOM=;\n b=H4n1pmPOv1Ymi9qIVjSlEhuLz/R/Cy6sl5CB14LunKLBdcgiX/9EKO4cQGH9ID4Dj6fA8ZgRF/p7Ta5160dVViMkuQ6TsD2SI7k4hQ7TWeY5D6LSK6WRUe5mdP2drY5XWpgwRE2rp58I8OlRHYq6ljwhnJXX9H/KHZVkun+X/mpkjgpOcTjgBGRuWTAID5uK5xpwhTLJnz7hssJ6YEZ61m0mWGcgNSLAuEaNcHnU5+j2TI3eR72CXOjcnbTzLvbf/Ot2HTYTK7A2GCT8L9Qe+N7JFGgzXzwgoAef76nAdGN2o4ZpQ6w9QHI9whGTNI/GXgDhtBG6mpMXYha/oEo6mQ==" ], "ARC-Authentication-Results": [ "i=2; smtp.subspace.kernel.org;\n dmarc=pass (p=quarantine dis=none) header.from=ti.com;\n spf=pass smtp.mailfrom=ti.com;\n dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=O4mOn3NC;\n arc=fail smtp.client-ip=40.93.201.67", "i=1; mx.microsoft.com 1; spf=pass (sender ip is\n 198.47.21.195) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=ti.com;\n dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com;\n dkim=none (message not signed); arc=none (0)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=as+edK73VsLXgIETJ3PSym/WBTb2D4OlzPfwwfBcAOM=;\n b=O4mOn3NCBn6Wd6Y8f5RQdgPo5C0QhM6FEsYj2wAexCQPxl+21GL32Hb/ixKqWUv+E7YpBca7OgXQ/LKCAJkdH1Kl9IcMtLgeKmGsudGYQaF8AWp+dupF0Bz8FKXLvLDssoJeI8+OaDtuUypw7sqodZDbMJQgOaLdu4xjxmE9Ecw=", "X-MS-Exchange-Authentication-Results": "spf=pass (sender IP is 198.47.21.195)\n smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass\n action=none header.from=ti.com;", "Received-SPF": "Pass (protection.outlook.com: domain of ti.com designates\n 198.47.21.195 as permitted sender) receiver=protection.outlook.com;\n client-ip=198.47.21.195; helo=flwvzet201.ext.ti.com; pr=C", "From": "Aksh Garg <a-garg7@ti.com>", "To": "<linux-pci@vger.kernel.org>, <linux-doc@vger.kernel.org>,\n\t<mani@kernel.org>, <kwilczynski@kernel.org>, <bhelgaas@google.com>,\n\t<corbet@lwn.net>, <kishon@kernel.org>, <skhan@linuxfoundation.org>,\n\t<lukas@wunner.de>, <cassel@kernel.org>, <alistair@alistair23.me>", "CC": "<linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>,\n\t<s-vadapalli@ti.com>, <danishanwar@ti.com>, <srk@ti.com>, <a-garg7@ti.com>", "Subject": "[PATCH v3 0/4] PCI: Add DOE support for endpoint", "Date": "Mon, 27 Apr 2026 10:47:21 +0530", "Message-ID": "<20260427051725.223704-1-a-garg7@ti.com>", "X-Mailer": "git-send-email 2.34.1", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-C2ProcessedOrg": "333ef613-75bf-4e12-a4b1-8e3623f5dcea", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "CH1PEPF0000AD80:EE_|CH2PR10MB4312:EE_", "X-MS-Office365-Filtering-Correlation-Id": "63194f2b-44fb-4f8f-41fd-08dea41c4c3e", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "\n\tBCL:0;ARA:13230040|82310400026|7416014|376014|1800799024|36860700016|56012099003|18002099003|921020;", "X-Microsoft-Antispam-Message-Info": "\n\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", "X-Forefront-Antispam-Report": "\n\tCIP:198.47.21.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet201.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(82310400026)(7416014)(376014)(1800799024)(36860700016)(56012099003)(18002099003)(921020);DIR:OUT;SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n\t9O1BmixbrDonHE4ezIvP3IHoBYWKp35XpjTQK5DIuL4zzORsK3M7GNMX883ITAMskPqKEuyhAibaa/16dy62BFpsig0JZe9nfUxVV+QzP1xC1Wl+zjXdWwbGCCA2zsrzP/EIeJaKZ5eAietAVay0LRMe4YUnOUBvjAmou+9MQKu5Jgces+UlA3jrG3tCNG769ajFFcURn8Hw9waLuOcHjvFa0H3Es3gqVhfCO6y1tBnkzan9RLj9mEpS79w0PVTeeOKIXyHmZXrvXQZI0A+fk/70kIFv/6G5RK3MWYem7/d+6hrTkg9qHy0AFgP5E4darw3A95AGRbZdIVSMTe7vcLKiCjQtsgxEtnGZSwBZuSwv4BbVFpEuyxyidFFYUl7s5WpdHBfyWDVSX2SQQTbujQAIOYO1wPC12+cF1EUfU0xePUsdzJQdNim1HB3M0jJt", "X-OriginatorOrg": "ti.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "27 Apr 2026 05:17:37.7480\n (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 63194f2b-44fb-4f8f-41fd-08dea41c4c3e", "X-MS-Exchange-CrossTenant-Id": "e5b49634-450b-4709-8abb-1e2b19b982b7", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.195];Helo=[flwvzet201.ext.ti.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n\tCH1PEPF0000AD80.namprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CH2PR10MB4312" }, "content": "This patch series introduces the framework for supporting the Data\nObject Exchange (DOE) feature for PCIe endpoint devices. Please refer\nto the documentation added in patch 4 for details on the feature and\nimplementation architecture.\n\nThe implementation provides a common framework for all PCIe endpoint\ncontrollers, not specific to any particular SoC vendor.\n\nThis patch series is the non-RFC version of the RFC series at \nhttps://lore.kernel.org/all/20260213123603.420941-1-a-garg7@ti.com/\n\nThe changes since v1 are documented in the respective patch description.\n\nChanges from v2 to v3:\n- Rebased on 7.1-rc1.\n\nv2: https://lore.kernel.org/all/20260401073022.215805-1-a-garg7@ti.com/\n\nAksh Garg (4):\n PCI/DOE: Move common definitions to the header file\n PCI: endpoint: Add DOE mailbox support for endpoint functions\n PCI: endpoint: Add API for DOE initialization and setup in EPC core\n Documentation: PCI: Add documentation for DOE endpoint support\n\n Documentation/PCI/endpoint/index.rst | 1 +\n .../PCI/endpoint/pci-endpoint-doe.rst | 318 ++++++++++\n drivers/pci/doe.c | 11 -\n drivers/pci/endpoint/Kconfig | 14 +\n drivers/pci/endpoint/Makefile | 1 +\n drivers/pci/endpoint/pci-ep-doe.c | 552 ++++++++++++++++++\n drivers/pci/endpoint/pci-epc-core.c | 71 +++\n drivers/pci/pci.h | 47 ++\n include/linux/pci-doe.h | 8 +\n include/linux/pci-epc.h | 24 +\n 10 files changed, 1036 insertions(+), 11 deletions(-)\n create mode 100644 Documentation/PCI/endpoint/pci-endpoint-doe.rst\n create mode 100644 drivers/pci/endpoint/pci-ep-doe.c" }