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GET /api/patches/2222990/?format=api
{ "id": 2222990, "url": "http://patchwork.ozlabs.org/api/patches/2222990/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260414080025.3005916-8-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": "<20260414080025.3005916-8-jamin_lin@aspeedtech.com>", "list_archive_url": null, "date": "2026-04-14T08:00:34", "name": "[v2,07/17] 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/people/81768/?format=api", "name": "Jamin Lin", "email": "jamin_lin@aspeedtech.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260414080025.3005916-8-jamin_lin@aspeedtech.com/mbox/", "series": [ { "id": 499795, "url": "http://patchwork.ozlabs.org/api/series/499795/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499795", "date": "2026-04-14T08:00:26", "name": "hw/usb/ehci: Add 64-bit descriptor addressing support", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/499795/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222990/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222990/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=czReLdSo;\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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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=AUPW8ChXKsCgsbAjQSVjeZnlRz6pA1jlUQphP5cVbYw=;\n b=saQQ8JSs/scMuMxNpR10sT/Ccg5PNsVRBujFhdzY8UmDW6qo4qKXfe1RtyMvzQGWIk4GrjSV0mfI90JIlR3kChbznY9iykyUKOlyk/OS3FC7AHTRU88oczASadOkSXUkmOwc6jIhTmpvLBJ33yfSQ0Xfr8Dl06shk5nsWinU9kgBquiG1lLsoEgVH3r417pIekykQf9+pxVWGH6FUlBF91K9uzNUWg8Bs7kyZ2FKCLrJy4WBmhDztv3tzfOvGwo6WDZu62KUQhuat+4sf52N1pBaYAQInwhNmPIu7j9cvrFwG3gzGlH6JKGS1hwSOb/+Zg+q3frqAn2OlPngZeHCTw==", "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=AUPW8ChXKsCgsbAjQSVjeZnlRz6pA1jlUQphP5cVbYw=;\n b=czReLdSolwtb0cz5baCT+Jg2PYnA5vXgaw9bKrwejBV80dp7rJcDQKreMEBqG83R7LOy/5xOgkNtREqxEcqkPgAdPxKCrYU67ZrPLUHz076QoYM3lvPtSIi+oLbJWEV3DBCiuCvGbfgX2Il4M/EdlpUEXbfr0V32+mrYYfOGyF41i8FjpYGe4qkUsCwyiXv2xXWkguqY/LVlTRM6S9DrdaQvNiTr2T+tqlJdowU8jWdYKi2FHk8075Lzyh//cEnvNAH/a4p0Pdd/1jcxG0EjetXq/Vm7fUoaJvUzgA6AOhQEd2NxVRZMkc6Vj/uwk77NMvvjLuBHFqG3NlHkhgXgfg==", "From": "Jamin Lin <jamin_lin@aspeedtech.com>", "To": "=?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 \"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 v2 07/17] hw/usb/hcd-ehci: Add property to advertise 64-bit\n addressing capability", "Thread-Topic": "[PATCH v2 07/17] hw/usb/hcd-ehci: Add property to advertise\n 64-bit addressing capability", "Thread-Index": "AQHcy+TFdtAGW3rvZUye0YiGqef7VQ==", "Date": "Tue, 14 Apr 2026 08:00:34 +0000", "Message-ID": "<20260414080025.3005916-8-jamin_lin@aspeedtech.com>", "References": "<20260414080025.3005916-1-jamin_lin@aspeedtech.com>", "In-Reply-To": "<20260414080025.3005916-1-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=czReLdSo;\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 qUTbLYLnQ/1z3ePl7bVYUnQMKhLB0t8ieWjbvN7ISdMFgGepbdsYpIxAwRj9NYyuURe6L9xRxEWfIMYuxxQgbIHmONemG1AZ2utkt8neidihYjdCybVTay57SUCRVUJh8uXKxmatKU0rmuvBcoKBNYDRMlYEkKHyWypgV+OHbiuOxVwL+u2h58Im0WCJ/XhZTqAxtLJMVrTSpGTokfGXjOHMyuxbRrTr0zeJhhEFnZowybCKM7PerUfbRC+IGAMTnSH9L8BddLV2911bMIry3Uw8LOFIPr7wDxzO7fIzkGoZ44cFLZzkoEl1fruTtBg0tzbbTKxe+pzTQEUOrcTcDQ==", "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 dfc2d845-3e11-49ad-3186-08de99fbe855", "X-MS-Exchange-CrossTenant-originalarrivaltime": "14 Apr 2026 08:00:34.6455 (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 jbpvdjauO8aXz6t5qcOAhl4tkBJM1AjSVqdZxObaeHPBA+QrMXmCTy3MbTOt7RY9awn1VDRxaJA9NfJVIp4UQlLCbtZA/ftiVryN0MLBito=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "TYZPR06MB6745", "Received-SPF": "pass client-ip=2a01:111:f403:c40f::6;\n envelope-from=jamin_lin@aspeedtech.com;\n helo=SEYPR02CU001.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 315e8813f5..e3bff8e518 100644\n--- a/hw/usb/hcd-ehci.c\n+++ b/hw/usb/hcd-ehci.c\n@@ -2532,6 +2532,9 @@ 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@@ -2591,7 +2594,7 @@ 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": [ "v2", "07/17" ] }