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GET /api/1.1/patches/2223709/?format=api
{ "id": 2223709, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2223709/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260416014928.1279360-8-jamin_lin@aspeedtech.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260416014928.1279360-8-jamin_lin@aspeedtech.com>", "date": "2026-04-16T01:49:43", "name": "[v3,07/17] hw/usb/hcd-ehci: Add property to advertise 64-bit addressing capability", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5ce9cbf96f1a1f7f57ed098c001bd04ca6dbd67e", "submitter": { "id": 81768, "url": "http://patchwork.ozlabs.org/api/1.1/people/81768/?format=api", "name": "Jamin Lin", "email": "jamin_lin@aspeedtech.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260416014928.1279360-8-jamin_lin@aspeedtech.com/mbox/", "series": [ { "id": 500066, "url": "http://patchwork.ozlabs.org/api/1.1/series/500066/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500066", "date": "2026-04-16T01:49:32", "name": "hw/usb/ehci: Add 64-bit descriptor addressing support", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/500066/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2223709/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2223709/checks/", "tags": {}, "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=LsDV6FPe;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Wed, 15 Apr 2026 21:50:03 -0400", "from TYPPR06MB8206.apcprd06.prod.outlook.com (2603:1096:405:383::19)\n by SEYPR06MB6202.apcprd06.prod.outlook.com (2603:1096:101:c7::12)\n with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9769.48; Thu, 16 Apr\n 2026 01:49:44 +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 15.20.9818.017; Thu, 16 Apr 2026\n 01:49:43 +0000" ], "ARC-Seal": "i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;\n b=HvBsjPAkI71SJxic3HaEimwecH5IZ/4TdzdmzF7ckwLUDG8YpDpqgw6zG3jtw3T3qgyDIxk7/nL98g+C+rCNuF0fUore3NHrE3Z+Guz7Ny7HzA7kvD20YV4HAILJL6CNtY2NHPmhNlMhSGhc7Q+oVKS7pzQqWSfdcZXm+7zTMzjnpM1KwfOgovkDSw0Ly2nlFegXhrHAT6l4gs/NJKXvQCedVsr7a+KD71iQyXQAmKC2bc5vbo8SJSkgjUoLe2AhYmA8SmQVjhSii2+L5uIt2K97391VqYri4oND4p4gMI+3c/aj3jukqMq+S6mvc6DlUAgLv3mOQZNUugluHmuOCA==", "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=EclfufI1YRpxqMtzookxkixvWHefxyzUgqjTJNfTzbk=;\n b=LAFjNEiZHzyYxzXAZ9a13iTbVsGOe0WqFItoK6QpNIaLhY7nlx5kF91Ls4RRevrd8hbHTBFFvFRxS5VuSSCcNoFDIM+dyOt1XriyoEysVDmNNA63qm5Ckl12Idrgzhaa8s8SgjkojQlN2dTPaWB9xAJDDfVFc68FdAo/Noe9mOjoiQjZ2a27icDqqpkoDEHzhI8Bg3/boeuWm87NHQbfDNmRY5FXrOOuIsMD0igb4eY7JdcX0/iVMMTbbTB5ApzDMscU4XUmgeXHG+SJF0pAN16iTCOOclKCIKxiyhAExcXtnlFh6WelEVpGpXnXXOjyzF4P1FwJshyVVQM1ZzoEHg==", "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=EclfufI1YRpxqMtzookxkixvWHefxyzUgqjTJNfTzbk=;\n b=LsDV6FPetspGpBqJAWpXmmO5LkUGoHyILGtPs3FMZ4fsxgVHNZQGYlfWk9wkOKtQzmiiLgftv2PaXvK3K94l0jze4XB864Qjk1viqmScp+hpy/ismUllfzfF1du7AvBu7s5XLULsp/e/yiFAVlG5d7/CZfxZgiOGjX/6tL3MfNWCPg9B43pH7xhPaQXnIo3ILqEtj8OvYCudm2jxXvkhJEMZdcl9MLtcNxI20+XA/nPC72I6BLCY+pvoITywck8kBRou3tYJhE5nnRFcfsD96K/v2ZeU2KUqfxZd5+bv9wujpqpZZ1N64G+4aawMbaiHBWlsAgFvg9eVJM6Bu51AKQ==", "From": "Jamin Lin <jamin_lin@aspeedtech.com>", "To": "\"philmd@linaro.org\" <philmd@linaro.org>, =?iso-8859-1?q?C=E9dric_Le_Goat?=\n\t=?iso-8859-1?q?er?= <clg@kaod.org>, 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 \"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>,\n \"nabihestefan@google.com\" <nabihestefan@google.com>, =?iso-8859-1?q?C=E9dri?=\n\t=?iso-8859-1?q?c_Le_Goater?= <clg@redhat.com>", "Subject": "[PATCH v3 07/17] hw/usb/hcd-ehci: Add property to advertise 64-bit\n addressing capability", "Thread-Topic": "[PATCH v3 07/17] hw/usb/hcd-ehci: Add property to advertise\n 64-bit addressing capability", "Thread-Index": "AQHczUNMHTuypzYDy0GPztSDEQCVRg==", "Date": "Thu, 16 Apr 2026 01:49:43 +0000", "Message-ID": "<20260416014928.1279360-8-jamin_lin@aspeedtech.com>", "References": "<20260416014928.1279360-1-jamin_lin@aspeedtech.com>", "In-Reply-To": "<20260416014928.1279360-1-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=LsDV6FPe;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=\"iso-8859-1\"", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-Exchange-RoutingPolicyChecked": "\n O55oOn1L2Om8v9QsWFlUSKa1mIILLnCicd9t9Sp5F6pgLgu1HnYGAtZIiJPLNmeFWPBftmAI1XJOEJkKM+zimeK51IiQnRoWvagV9GFpJwp8Ab8flxQWh9c7vCLYCua0yChR0SorlWclNNXXNptGVF+FJtLclxsqJUsBZ9TxcBuKbch9Ya/nUty4RI9ZPlcLu3CZ8uZTHJLangCfUXl1abUxLkOQ39Kqcm5fkeYvQADegq0Bd/B64RJOlzP2zry08BIKwf53rD+NV/a77ct85WGxTL39C83g5TQs9VsVcRGFT+hlvIW9z+lK8lfYlDGE+FPDuf5yTaQI6sYF7M0wvQ==", "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 2b789a81-352e-4252-9cda-08de9b5a6e8b", "X-MS-Exchange-CrossTenant-originalarrivaltime": "16 Apr 2026 01:49:43.6741 (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 scxIXGo3y9MLJfLeustlBQuGzikkfHJHrw1Lla4jmliQX0GdgSsDgqZvcnWTwMSDEHmThZL68SzKjHRpZdqa5z6N99eWRcIQRWcOJ9zhVTE=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "SEYPR06MB6202", "Received-SPF": "pass client-ip=2a01:111:f403:c405::5;\n envelope-from=jamin_lin@aspeedtech.com;\n helo=TYPPR03CU001.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,\n SPF_HELO_PASS=-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": "Introduce a new boolean property, \"caps-64bit-addr\", to control\nHCCPARAMS[0] (64-bit Addressing Capability).\n\nWhen enabled, the EHCI controller advertises support for 64-bit\naddress memory pointers as defined in the EHCI specification\n(Table 2-7, HCCPARAMS). This allows software to use the 64-bit\ndata structure formats described in Appendix B.\n\nWhen disabled (default), the controller reports 32-bit addressing\ncapability and uses the standard 32-bit data structures.\n\nSigned-off-by: Jamin Lin <jamin_lin@aspeedtech.com>\nReviewed-by: Cédric Le Goater <clg@redhat.com>\n---\n hw/usb/hcd-ehci.h | 1 +\n hw/usb/hcd-ehci-pci.c | 2 ++\n hw/usb/hcd-ehci-sysbus.c | 2 ++\n hw/usb/hcd-ehci.c | 5 ++++-\n 4 files changed, 9 insertions(+), 1 deletion(-)", "diff": "diff --git a/hw/usb/hcd-ehci.h b/hw/usb/hcd-ehci.h\nindex 24eea9d23b..fe4c508c32 100644\n--- a/hw/usb/hcd-ehci.h\n+++ b/hw/usb/hcd-ehci.h\n@@ -256,6 +256,7 @@ struct EHCIState {\n \n /* properties */\n uint32_t maxframes;\n+ bool caps_64bit_addr;\n \n /*\n * EHCI spec version 1.0 Section 2.3\ndiff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c\nindex 9febcc1031..2ea8549db9 100644\n--- a/hw/usb/hcd-ehci-pci.c\n+++ b/hw/usb/hcd-ehci-pci.c\n@@ -137,6 +137,8 @@ static void usb_ehci_pci_write_config(PCIDevice *dev, uint32_t addr,\n \n static const Property ehci_pci_properties[] = {\n DEFINE_PROP_UINT32(\"maxframes\", EHCIPCIState, ehci.maxframes, 128),\n+ DEFINE_PROP_BOOL(\"caps-64bit-addr\", EHCIPCIState, ehci.caps_64bit_addr,\n+ false),\n };\n \n static const VMStateDescription vmstate_ehci_pci = {\ndiff --git a/hw/usb/hcd-ehci-sysbus.c b/hw/usb/hcd-ehci-sysbus.c\nindex b31032bbf3..61215e9f3d 100644\n--- a/hw/usb/hcd-ehci-sysbus.c\n+++ b/hw/usb/hcd-ehci-sysbus.c\n@@ -34,6 +34,8 @@ static const Property ehci_sysbus_properties[] = {\n DEFINE_PROP_UINT32(\"maxframes\", EHCISysBusState, ehci.maxframes, 128),\n DEFINE_PROP_BOOL(\"companion-enable\", EHCISysBusState, ehci.companion_enable,\n false),\n+ DEFINE_PROP_BOOL(\"caps-64bit-addr\", EHCISysBusState, ehci.caps_64bit_addr,\n+ false),\n };\n \n static void usb_ehci_sysbus_realize(DeviceState *dev, Error **errp)\ndiff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c\nindex 35173d27b4..6409457186 100644\n--- a/hw/usb/hcd-ehci.c\n+++ b/hw/usb/hcd-ehci.c\n@@ -2539,6 +2539,9 @@ void usb_ehci_realize(EHCIState *s, DeviceState *dev, Error **errp)\n s->maxframes);\n return;\n }\n+ if (s->caps_64bit_addr) {\n+ s->caps[0x08] |= BIT(0);\n+ }\n \n memory_region_add_subregion(&s->mem, s->capsbase, &s->mem_caps);\n memory_region_add_subregion(&s->mem, s->opregbase, &s->mem_opreg);\n@@ -2598,7 +2601,7 @@ void usb_ehci_init(EHCIState *s, DeviceState *dev)\n s->caps[0x05] = 0x00; /* No companion ports at present */\n s->caps[0x06] = 0x00;\n s->caps[0x07] = 0x00;\n- s->caps[0x08] = 0x80; /* We can cache whole frame, no 64-bit */\n+ s->caps[0x08] = 0x80; /* We can cache whole frame */\n s->caps[0x0a] = 0x00;\n s->caps[0x0b] = 0x00;\n \n", "prefixes": [ "v3", "07/17" ] }