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GET /api/1.2/patches/2233278/?format=api
{ "id": 2233278, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2233278/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260506032643.2510575-2-jamin_lin@aspeedtech.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20260506032643.2510575-2-jamin_lin@aspeedtech.com>", "list_archive_url": null, "date": "2026-05-06T03:26:44", "name": "[v1,1/2] hw/usb/hcd-ehci: Rename migration compatibility fetch address fields", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1b1267d8f5a8d24995b91641b5f26a1038ad1624", "submitter": { "id": 81768, "url": "http://patchwork.ozlabs.org/api/1.2/people/81768/?format=api", "name": "Jamin Lin", "email": "jamin_lin@aspeedtech.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260506032643.2510575-2-jamin_lin@aspeedtech.com/mbox/", "series": [ { "id": 502921, "url": "http://patchwork.ozlabs.org/api/1.2/series/502921/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502921", "date": "2026-05-06T03:26:45", "name": "hw/usb/ehci: Improve migration helper and property naming", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502921/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2233278/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2233278/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=CujhCG9H;\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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Tue, 05 May 2026 23:26:58 -0400", "from TYPPR06MB8206.apcprd06.prod.outlook.com (2603:1096:405:383::19)\n by JH0PR06MB7325.apcprd06.prod.outlook.com (2603:1096:990:a1::12)\n with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9891.15; Wed, 6 May\n 2026 03:26:45 +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%2]) with mapi id 15.20.9870.023; Wed, 6 May 2026\n 03:26:45 +0000" ], "ARC-Seal": "i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;\n b=L+9wuz9zq6/FvbU/RjmhjP486/jpDnT75k41H37OCeKl0y/t1WPB+g5yBK1HH0nf4B96GRhRGabX4cPQ+dgGfrb4d/sXhbr9nomftkbi3J9DL2ciYwh/dhJTRR0Tr6tep+7GfmzydsSMPvqSZGiIfsnN4yzC9IofiO8jOkDAT8sUDdY4FpSmmPu8FxjuOsLyJVAxv3SxUdJEBqS5jJ6RrFF5/AF5APfb/+08WxJQlDveyP2uY6C+198BimFb8S/Y3GW3aW0Q9SEudr5hinIeorGXrkvbreJBnjCbuHMa0Bd5Onz+CyHYfMPIXjpyBXPmmERucj18gOKS9K6CgGPRLA==", "ARC-Message-Signature": "i=1; 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charset=\"iso-8859-1\"", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-Exchange-RoutingPolicyChecked": "\n QMrSbmy9e5AG6o8nW3PdxI1VZk66afdMDJQ0GLDzim4b2D4x7s1kdwegRKApKLCSLigidDyf7nwYCz6KhCG4QJZv56qyUdtdyWjjTZVf7MaWs/EiQV9zcRR+G0EbLQLPT+8vv5lgJk6mzabYlqXgAwGGsqNFckg7MnZu78AHKpfBdg3otKo5YuG+iufYPS48D+h3rPHDQs+EITRcgjvdwEXBhBkVtb9xIUag5Y2yTHfLoZ1IMkO5YJXDo3JD824+PlEU/nsabvCQm1/Kkz+P2CPRE8xnx/2Ddi5bAxdouPQCKTN1HCyXTiF+pYSmxcc0sRJAx8d2GoKlf4EYtSuN6Q==", "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 f00a3af2-3724-453d-9577-08deab1f4c8b", "X-MS-Exchange-CrossTenant-originalarrivaltime": "06 May 2026 03:26:44.9258 (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 mJTYtT2Njzxpyb43fTczh7zmUt/hr09vy0vKxSDhxrsdUNwcqdGlcJJ3S+EOT4Bvw/L366SyH06uio5mmH8OB7CvEku6zLQ9zreBGcvSbOA=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "JH0PR06MB7325", "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": "Rename the 32-bit fetch address migration helper fields to make\ntheir purpose clearer.\n\nThese fields are only used for migration compatibility with older\nmachine types that transfer 32-bit fetch addresses in the migration\nstream. They are not runtime fetch address state.\n\nAlso add comments to clarify the relationship between the migration\ncompatibility fields and the runtime 64-bit fetch address fields.\n\nNo functional change.\n\nSigned-off-by: Jamin Lin <jamin_lin@aspeedtech.com>\n---\n hw/usb/hcd-ehci.h | 17 ++++++++++++++---\n hw/usb/hcd-ehci.c | 12 ++++++------\n 2 files changed, 20 insertions(+), 9 deletions(-)", "diff": "diff --git a/hw/usb/hcd-ehci.h b/hw/usb/hcd-ehci.h\nindex 3d57e1de5f..b5ac9c8670 100644\n--- a/hw/usb/hcd-ehci.h\n+++ b/hw/usb/hcd-ehci.h\n@@ -262,6 +262,10 @@ struct EHCIState {\n \n /* properties */\n uint32_t maxframes;\n+ /*\n+ * Controls migration stream compatibility for old machine types.\n+ * Old machine types only transfer 32-bit fetch addresses.\n+ */\n bool migrate_fetch_addr_64bit;\n bool caps_64bit_addr;\n uint32_t ctrldssegment_default;\n@@ -302,9 +306,16 @@ struct EHCIState {\n EHCIQueueHead aqueues;\n EHCIQueueHead pqueues;\n \n- /* which address to look at next */\n- uint32_t a_fetch_addr_32;\n- uint32_t p_fetch_addr_32;\n+ /*\n+ * which address to look at next\n+ *\n+ * Migration compatibility fields for old machine types that only\n+ * support 32-bit fetch addresses in the migration stream.\n+ *\n+ * New machine types migrate the full 64-bit runtime fetch address.\n+ */\n+ uint32_t migrate_a_fetch_addr;\n+ uint32_t migrate_p_fetch_addr;\n uint64_t a_fetch_addr;\n uint64_t p_fetch_addr;\n \ndiff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c\nindex 62c3770ac5..56ac8f6ae5 100644\n--- a/hw/usb/hcd-ehci.c\n+++ b/hw/usb/hcd-ehci.c\n@@ -2482,8 +2482,8 @@ static int usb_ehci_pre_save(void *opaque)\n ehci->frindex = new_frindex;\n \n if (!ehci->migrate_fetch_addr_64bit) {\n- ehci->a_fetch_addr_32 = ehci->a_fetch_addr;\n- ehci->p_fetch_addr_32 = ehci->p_fetch_addr;\n+ ehci->migrate_a_fetch_addr = ehci->a_fetch_addr;\n+ ehci->migrate_p_fetch_addr = ehci->p_fetch_addr;\n }\n \n return 0;\n@@ -2507,8 +2507,8 @@ static int usb_ehci_post_load(void *opaque, int version_id)\n }\n \n if (!s->migrate_fetch_addr_64bit) {\n- s->a_fetch_addr = s->a_fetch_addr_32;\n- s->p_fetch_addr = s->p_fetch_addr_32;\n+ s->a_fetch_addr = s->migrate_a_fetch_addr;\n+ s->p_fetch_addr = s->migrate_p_fetch_addr;\n }\n \n return 0;\n@@ -2571,9 +2571,9 @@ const VMStateDescription vmstate_ehci = {\n /* schedule state */\n VMSTATE_UINT32(astate, EHCIState),\n VMSTATE_UINT32(pstate, EHCIState),\n- VMSTATE_UINT32_TEST(a_fetch_addr_32, EHCIState,\n+ VMSTATE_UINT32_TEST(migrate_a_fetch_addr, EHCIState,\n ehci_fetch_addr_32_needed),\n- VMSTATE_UINT32_TEST(p_fetch_addr_32, EHCIState,\n+ VMSTATE_UINT32_TEST(migrate_p_fetch_addr, EHCIState,\n ehci_fetch_addr_32_needed),\n VMSTATE_UINT64_TEST(a_fetch_addr, EHCIState,\n ehci_fetch_addr_64_needed),\n", "prefixes": [ "v1", "1/2" ] }