Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2227050/?format=api
{ "id": 2227050, "url": "http://patchwork.ozlabs.org/api/patches/2227050/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260423051804.362095-16-jamin_lin@aspeedtech.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260423051804.362095-16-jamin_lin@aspeedtech.com>", "list_archive_url": null, "date": "2026-04-23T05:18:23", "name": "[v4,15/17] hw/arm/aspeed_ast27x0: Set EHCI ctrldssegment-default", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "0b1402f8b911afdc4deaedfcff1a3eb85920fe16", "submitter": { "id": 81768, "url": "http://patchwork.ozlabs.org/api/people/81768/?format=api", "name": "Jamin Lin", "email": "jamin_lin@aspeedtech.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260423051804.362095-16-jamin_lin@aspeedtech.com/mbox/", "series": [ { "id": 501145, "url": "http://patchwork.ozlabs.org/api/series/501145/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501145", "date": "2026-04-23T05:18:08", "name": "hw/usb/ehci: Add 64-bit descriptor addressing support", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/501145/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2227050/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2227050/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=aspeedtech.com header.i=@aspeedtech.com\n header.a=rsa-sha256 header.s=selector1 header.b=RyJbbEz9;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "dkim=none (message not signed)\n header.d=none;dmarc=none action=none header.from=aspeedtech.com;" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g1PZm6gR6z1y2d\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 23 Apr 2026 15:21:20 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wFmSR-0007ad-PO; Thu, 23 Apr 2026 01:18:35 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <jamin_lin@aspeedtech.com>)\n id 1wFmSQ-0007Zi-8R; Thu, 23 Apr 2026 01:18:34 -0400", "from mail-japanwestazlp170120003.outbound.protection.outlook.com\n ([2a01:111:f403:c406::3] helo=OS8PR02CU002.outbound.protection.outlook.com)\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <jamin_lin@aspeedtech.com>)\n id 1wFmSO-0003JZ-Po; Thu, 23 Apr 2026 01:18:33 -0400", "from TYPPR06MB8206.apcprd06.prod.outlook.com (2603:1096:405:383::19)\n by KU4PR06MB8434.apcprd06.prod.outlook.com (2603:1096:d10:7a::6) with\n Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9846.21; Thu, 23 Apr\n 2026 05:18:24 +0000", "from TYPPR06MB8206.apcprd06.prod.outlook.com\n ([fe80::e659:1ead:77cb:f6d3]) by TYPPR06MB8206.apcprd06.prod.outlook.com\n ([fe80::e659:1ead:77cb:f6d3%3]) with mapi id 15.20.9846.021; Thu, 23 Apr 2026\n 05:18:24 +0000" ], "ARC-Seal": "i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;\n b=R4wvk0juDmpZ4cMOdlIeIWVl6MUD2wfBZS+7drydgAnKFNmiK+Npfa0GPbpf/Gw6cijg5PCL3C2JtY1u5joqWdP0wkcTzGJXfPqA+ylf1kDVNqpcyDE8rBL+sv1qW4DecEOmF0uljaK0aJknesEEX/m60DeJm4WxDdmUTVEgys2h5M6glEKvjht73svXSK4EY4cOwDqAWzYtaxjgpLrAJOLIg95U+/9nGCQCVcqVdn0CeFzvTLP3Nbt2Pa1HYm0SzGckgQhkb7I1f7j12CcnxNv8FbwI/2TP4KmE1ZxsFR0yf29GAAGAnyDXklgm8WLIKGadtESkU7+lQZrxvhJskA==", "ARC-Message-Signature": "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=/f2cd3fthMEmZMuyPoZj1dkySjhKi943N1RlHzcvRr8=;\n b=Tf0rc2mkEj3GjnAtBnsPUYPzPvDb6OR3uNEEDeHoO2z3s/lnbJRca75LYLfLONAXDvCS5A/iDQh+sZf1bH3lb+R93EYeu34I9pZ0w0mjxPhUK4lxVfTQeQM3tBSY6x6g2TlzwIAEtzU/q3jAeWN/rWBzxdcVmGU4JpVTh/NehS1r16db/6ipfEaIhhLbbvZICeH83tvrOeMiFjKLIi9KsIX40rfcXlToegm44+VjvTZjxtkJOnqF0VZ2HE2n8CQh4Wja43rElxDHWAnQX0qn03M2qhGQGi7sywHbueQQsnG+3PeBRO+9emKRDyL43te2RGcKTqj9PMvFz0lAMay4Ag==", "ARC-Authentication-Results": "i=1; mx.microsoft.com 1; spf=pass\n smtp.mailfrom=aspeedtech.com; dmarc=pass action=none\n header.from=aspeedtech.com; dkim=pass header.d=aspeedtech.com; arc=none", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=aspeedtech.com;\n s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=/f2cd3fthMEmZMuyPoZj1dkySjhKi943N1RlHzcvRr8=;\n b=RyJbbEz9qQycpZOkNpyISUSWC57ErodQCikWo4LLLH5yWC954q9Ln69NO5gmcrE6mBfIKGtsHAbJLR3blGMUs/rElZ5xg6uXvogRqicalk7KHANrGUV1OyOhITC8g7G+us0STpptOCZvM2UDxxpYoc9ujUPoLKRMpFKu/qB4GRgxvnaDNXeWDFbD7kA4XgTiB3AadNU8nhdwxDz0UJw/MY8Ib0bnXm+LOu0MScqViQVEw1Baas+y34Hfxbb1aFelmtHC3q/BsCSiR1uZpSuXjMXCxdxY0JfeaTxnDBOkaa1Ll5hSd+N9v1EFpwskzqcnH73nNrZt50oW/+y2Yjmm0Q==", "From": "Jamin Lin <jamin_lin@aspeedtech.com>", "To": "\"philmd@linaro.org\" <philmd@linaro.org>,\n \"peterx@redhat.com\" <peterx@redhat.com>,\n =?iso-8859-1?q?C=E9dric_Le_Goater?= <clg@kaod.org>,\n Peter Maydell <peter.maydell@linaro.org>,\n Steven Lee <steven_lee@aspeedtech.com>, Troy Lee <leetroy@gmail.com>,\n Kane Chen <kane_chen@aspeedtech.com>,\n Andrew Jeffery <andrew@codeconstruct.com.au>, Joel Stanley <joel@jms.id.au>,\n Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,\n Yanan Wang <wangyanan55@huawei.com>, Zhao Liu <zhao1.liu@intel.com>,\n \"open list:ASPEED BMCs\" <qemu-arm@nongnu.org>,\n \"open list:All patches CC here\" <qemu-devel@nongnu.org>", "CC": "Jamin Lin <jamin_lin@aspeedtech.com>, Troy Lee <troy_lee@aspeedtech.com>,\n \"flwu@google.com\" <flwu@google.com>, \"nabihestefan@google.com\"\n <nabihestefan@google.com>, \"farosas@suse.de\" <farosas@suse.de>", "Subject": "[PATCH v4 15/17] hw/arm/aspeed_ast27x0: Set EHCI\n ctrldssegment-default", "Thread-Topic": "[PATCH v4 15/17] hw/arm/aspeed_ast27x0: Set EHCI\n ctrldssegment-default", "Thread-Index": "AQHc0uCbSyMG079kM06VmrlH+yoZFg==", "Date": "Thu, 23 Apr 2026 05:18:23 +0000", "Message-ID": "<20260423051804.362095-16-jamin_lin@aspeedtech.com>", "References": "<20260423051804.362095-1-jamin_lin@aspeedtech.com>", "In-Reply-To": "<20260423051804.362095-1-jamin_lin@aspeedtech.com>", "Accept-Language": "zh-TW, en-US", "Content-Language": "en-US", "X-MS-Has-Attach": "", "X-MS-TNEF-Correlator": "", "authentication-results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=aspeedtech.com header.i=@aspeedtech.com\n header.a=rsa-sha256 header.s=selector1 header.b=RyJbbEz9;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "dkim=none (message not signed)\n header.d=none;dmarc=none action=none header.from=aspeedtech.com;" ], "x-ms-publictraffictype": "Email", "x-ms-traffictypediagnostic": "TYPPR06MB8206:EE_|KU4PR06MB8434:EE_", "x-ms-office365-filtering-correlation-id": "9b9492e9-273d-42d9-e5c4-08dea0f7be1c", "x-ms-exchange-senderadcheck": "1", "x-ms-exchange-antispam-relay": "0", "x-microsoft-antispam": "BCL:0;\n ARA:13230040|376014|7416014|1800799024|366016|38070700021|921020|18002099003|22082099003|56012099003;", "x-microsoft-antispam-message-info": "\n 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", "x-forefront-antispam-report": "CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:;\n IPV:NLI; SFV:NSPM; H:TYPPR06MB8206.apcprd06.prod.outlook.com; PTR:; CAT:NONE;\n SFS:(13230040)(376014)(7416014)(1800799024)(366016)(38070700021)(921020)(18002099003)(22082099003)(56012099003);\n DIR:OUT; SFP:1102;", "x-ms-exchange-antispam-messagedata-chunkcount": "1", "x-ms-exchange-antispam-messagedata-0": "=?iso-8859-1?q?1pQDzVQ5S3XrYZe5YrOswmS?=\n\t=?iso-8859-1?q?TxQOR4aIcs9PcqEF1JsUO+AB3UMN02vWrASwJpqWZHa5nAoaGIdiMgw5M6Dz?=\n\t=?iso-8859-1?q?dhS7W2KIBO6P0GNmRDHW2vUliyUf9QZ4a0WoOJyyVrlLXhqdhNTxq7HBP80o?=\n\t=?iso-8859-1?q?YEyaz9Zap4LmBWtTSDd98nh6ArFVQAqnVxeRjRdz9DXVj1IHoYpGO4ra8gf5?=\n\t=?iso-8859-1?q?YkB3OSMiFPCFnAiHo7b4hZt5gXw8H2h75RfPIaZHpK8u/e92+rl6kC9St8BF?=\n\t=?iso-8859-1?q?MMinkr5HzRpN/+AssSC8bcqDt87G8VmtC5/MoBXlXrrq5Cm/MCudiuvEod2i?=\n\t=?iso-8859-1?q?lxYwWMBGcuztx6bpOsmkxz7l++qkOmxWEEqsw0eJxennKgR+PLPP6D1uUsNB?=\n\t=?iso-8859-1?q?F5xhqTOD+wTBnvnOKtXWppK+Aedfza1Syf/7Fdc0ddi+cUK9By6J7pMG7IZw?=\n\t=?iso-8859-1?q?z7FWz62OLX/h/Nts8Rsw+F8H0LBDNMULz4F7LS36WN87uxZcZ6RwYGoUbEpM?=\n\t=?iso-8859-1?q?gGCXVcOyBewHuX2K0d2U7xVfuTi4Qx11yXX+ukKXAdm1UdG/VdgaqoVa7oXe?=\n\t=?iso-8859-1?q?MAIve3B1MglSNHc/hhus7dNn94h7h5s0ufAgWjh+e5/pML9ZiAKO9y1Wdrbl?=\n\t=?iso-8859-1?q?xSjoQ8dqIdfnNPpVOn5IkwdrzQ2ZxNJJyZJXJj7jbmu2FHPbiWumH0euxk5T?=\n\t=?iso-8859-1?q?SBYK8eicL+kUvdjsFsUPHAtTb2hm52G3Dw1HEHdcFIl0NncbXRan7L1II9nl?=\n\t=?iso-8859-1?q?/OJy7ZIQpQPFo5kJZ3W92sC4Fv5SwARGz0Seyk3dfYX2Tuof/5Mzn/V0XJk7?=\n\t=?iso-8859-1?q?KOB0HH0TnyjXNH+Vkll1Kut7DzB4ZRc95f3FGp3vAt7ZxdE8H+WGesITPijA?=\n\t=?iso-8859-1?q?4blzG31qwrYZAL7AJcbu5Gz/VO1IbhTbD4WdNQcTHoLjevYjJ3cWn57WHFGT?=\n\t=?iso-8859-1?q?W16PtNgUFwqjwyzGDRmrr6QSJpGQCxtYzVzYl2q1+jUWQN14Wn3Ucrltx/qj?=\n\t=?iso-8859-1?q?NkJNBnBB5y6zzhFctEFnf7hHcdzqR3XsTEOHIPq8KIO8hLgpzJWMpxA5wsQB?=\n\t=?iso-8859-1?q?1Ep1jFPbhaxv8+/4Kt8fRkpPh4LPTiqTuMCLHjj0AFjQqJQJOKaf16s1gxm+?=\n\t=?iso-8859-1?q?OPyr4t3RZNJDPuxJbF+qvNzCydCrg6Zyb1ag9GuzZ3YuUA3xM3JwaKksiRCU?=\n\t=?iso-8859-1?q?s6qqz026mbVNNr/6Q7f4C8XmVp2WGnFIqXPH1nRRtHvFXLxuujvHcJpmwzdN?=\n\t=?iso-8859-1?q?aRp7KCLbBYdIctp+plzz765E78bNuAWMqZBZF9BfXwgE5qKkmA8wiqw5McFy?=\n\t=?iso-8859-1?q?X4GxumLVHBAHzQy4lL1N5g/qu3p+6N0FZn/2XIKUHNsIjnM6pIyEdFrC6Nlm?=\n\t=?iso-8859-1?q?Vuw4PhQvbPfgUOeWMBYsJTZZFW/xe7N8AmOe3QPpdb0vxhD8u2uI9fPv+i4W?=\n\t=?iso-8859-1?q?tUQQ1FWxprnZckUAgx+6SK8sR6eq1jZ+G/68Fis68GuFIoNc5npthJ2bYFxM?=\n\t=?iso-8859-1?q?r3iJy5o6DZKk+e+uLRe2CHIsPk+ozON1aFtMNOjt+Ef1a7d9hJAEKj6n8iJ3?=\n\t=?iso-8859-1?q?r7FmBg8x3w+DVR7hneIQyxJreq6h40CsOaxq1PWEtoY5sBWDi1gaPY1NEp+0?=\n\t=?iso-8859-1?q?xbrptFkLVrkWeOrYTxvJ1IXm1Rv6ougVe/dIH8Z6Ik2lSLMroUUfPIVAxh1J?=\n\t=?iso-8859-1?q?MY2q2856k7AYqRRVV5Anrn6RInoDm2mE1hnhtW8jSGIpelyb3snpS4pcr4gI?=\n\t=?iso-8859-1?q?d2a7YfAJ25Uup7HMx7fRdKc4YZBxxcIhj4rUdQGK3e/yyog=3D=3D?=", "Content-Type": "text/plain; charset=\"iso-8859-1\"", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-Exchange-RoutingPolicyChecked": "\n M3GxHnr9FjcknVXcgQo4OIS62X3jrdT/Yku71y1DvOCa8imiCD3LR/arRNMRSJDcIidAPLbFs5eqU90gwawZ5IxYxsJoSooKx3MzUCkK7/sK5tYv5KHU4HbzmyXk56fqdQXb1Ho2+fXAaVA7XKdDoz2685kxDTR506RqXz/JfrmFcqyc6G9yGY2wRccG+pXP8NptyF2c0uqt1BvUV8jQQTmr5PxIrBDvaIrRvoXtGJiU6jerXhUfdu+VuYfxknlkNjIZZyaj5M3jVlOX1GV1QOlY0+exi1/1rMYPfz0lpS2R1ap2aR7uAg5OP16fGzi3wgVRY8miVVtX0gn8gBNVZw==", "X-OriginatorOrg": "aspeedtech.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-AuthSource": "TYPPR06MB8206.apcprd06.prod.outlook.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 9b9492e9-273d-42d9-e5c4-08dea0f7be1c", "X-MS-Exchange-CrossTenant-originalarrivaltime": "23 Apr 2026 05:18:23.9697 (UTC)", "X-MS-Exchange-CrossTenant-fromentityheader": "Hosted", "X-MS-Exchange-CrossTenant-id": "43d4aa98-e35b-4575-8939-080e90d5a249", "X-MS-Exchange-CrossTenant-mailboxtype": "HOSTED", "X-MS-Exchange-CrossTenant-userprincipalname": "\n 9yFOxi13EkntPuxqMPsNjeS2DXpl9rdfxpJGbrDSI5BISuZCsnHyOUDvm44qk7OlVIKQs/ciHOWkdABq5t6zClREYDA6HPG9PJQkZ0xYDXo=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "KU4PR06MB8434", "Received-SPF": "pass client-ip=2a01:111:f403:c406::3;\n envelope-from=jamin_lin@aspeedtech.com;\n helo=OS8PR02CU002.outbound.protection.outlook.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "On AST2700 platforms, system DRAM is mapped above 4GB with a base\naddress at 0x400000000.\n\nThe Linux EHCI driver programs the segment register to zero when\n64-bit addressing is supported. As a result, descriptor addresses\nderived from the EHCI registers do not include the DRAM base\naddress.\n\nDescriptor memory is allocated through the DMA API with a 64-bit\nDMA mask, allowing descriptors to reside in DRAM above 4GB. On\nAST2700, EHCI queue heads (QH) and queue element transfer\ndescriptors (qTD) are therefore placed at addresses starting from\n0x400000000.\n\nSet the ctrldssegment-default property to 0x4 so the upper\n32 bits of descriptor addresses are adjusted accordingly. This\nallows the emulated EHCI controller to construct correct system\naddresses when accessing descriptors in DRAM above 4GB.\n\nSigned-off-by: Jamin Lin <jamin_lin@aspeedtech.com>\n---\n hw/arm/aspeed_ast27x0.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c\nindex 87dcb82e1b..0cb39dc191 100644\n--- a/hw/arm/aspeed_ast27x0.c\n+++ b/hw/arm/aspeed_ast27x0.c\n@@ -856,6 +856,8 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)\n \n /* EHCI */\n for (i = 0; i < sc->ehcis_num; i++) {\n+ object_property_set_int(OBJECT(&s->ehci[i]), \"ctrldssegment-default\",\n+ 0x4, &error_abort);\n if (!sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), errp)) {\n return;\n }\n", "prefixes": [ "v4", "15/17" ] }