From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2531BC36010 for ; Fri, 11 Apr 2025 15:03:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To: Content-Transfer-Encoding:Content-Type:References:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=frSf6xXzbYFNz+yN0TMsPWl3dtpHU0N5g5SfHl+8lsQ=; b=QFDp6Nrgcly5s7haqqp0ZwX25s vQFU/uiut4LXpvUpQOV6pYGG4GKDb48NpnZy87nqR29sFEwQ8oe4aHzZKMI+VKbrGivNNRS4coWo/ mYOUQ6kVYOMxQHIEoIVW3hy2yeJlv80NRUUQCbeaPUf9b4GZ8gx7nUaRRDt/Pdq/OqKgduJHkzF8b n2P5sKYGQAXk5JJ0SkbelE+McA/iVDCNFsZiB8sm/Ksc5MKdswlenohBVUh8UMa5SSYS7BxBZ/HbG 0nV+t9nFAiIoQX0acGnVLJcxwCkB+i/hHgOpNZgKS4k9pg+tpCb5Yy0zd9mrgeH8swOtCKRxvaYdn 2n0pKgIw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u3FuV-0000000EBG3-2wOx; Fri, 11 Apr 2025 15:03:15 +0000 Received: from mail-am6eur05on20627.outbound.protection.outlook.com ([2a01:111:f403:2612::627] helo=EUR05-AM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u3Faa-0000000E8DS-41i4 for linux-arm-kernel@lists.infradead.org; Fri, 11 Apr 2025 14:42:42 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=BUXhjcCtc8cor0W4qlukccv46bjAdiDRa/jRnDQvmPy6+qHnIykPG/51l9Jw5AHuUmc35CZSE8/ahVW5DJGWeT5IZ0wsjV+kHgaJQ5rJuQhNUhzAIMHcyfp7VahDDRJAaptkXdlVWLkRdhhnTtdb0NoENfnbjyp9jRUplmIzaQoAFX5Y9mRhrM7UipfjrPolXq+3jpGQ0CxuGYqPhU6ecf17rlpATIXW7Za07scsO7lTO144q5f4iSs4gFWQK4CfJPTfBdyOPp4KmXw8yy7u0khk1pnQehMhyFhqB4HUoNF1mItaqkBueqzYM2T3kpnbg+EQ5dPBIumR9H465+TWyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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; bh=49xI7buebdcZrVAIUpq3U7XDqckLg2pJp2UNr28Iq/k=; b=myAZjdcRFHRrHWVqwChRanVOBBYue12GxpF/VI8VYeB63Sq0Y/5SAtuuAraYw7mjMgFDUQ6f0lB/adGNus3PJhoGaA6Qzv4V2ZBz+2/H6MsKfwbLQA59FPGZ4my4mY6k5Ub4mG+E1yWaruk1gc66pPT94OVyuLW5YDIZ9FEle7xta+JCdDOgfNIOScoY9rPmLUHpgkx8gCEX2HBbAmYTBlG+UwroxgfGBWmL3DmWTZkoJS8spOC7vSGh/YXk1AWNzJWcBKFSLmFQLfLJ9OIEQg8YY7y0x/Tc0oTrZaiHZztSrDOvjMoJwvmv6R3i+wR0tZ+ek6LwQ6iqsD6p2WTaKQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=49xI7buebdcZrVAIUpq3U7XDqckLg2pJp2UNr28Iq/k=; b=OkuTsg8IfXGhHtJY8jsbc7dfuk2VEAYhxf6ppOgJM3ZzilOqvfQpR0wOs3TMU+AuvLKBRVQF0rhPuQXqXP3KDSO4MWc25ORgaiwrF/qvFND/SGKeImYcpAQsrxg2Azg9quawjgYfsQN9aWukXYC9tL1T7aS8lOpxputerKaSvnXtzjL9YrZHTtHyPET6733ubFx3895wpB11bGl+UT4DuGvo5d+j7H2BBTjccz0vT3I27CrzPW+EhpMDIZDN9Bp0JuaykCB0Fq0+07y8fawAsjVa9uCdTMp/0UnX3wTfuV2bne+rx9RzTqA3tbrorXLrVnh+Hgm+lvAUPLNg51z3Fg== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from DB9PR04MB9626.eurprd04.prod.outlook.com (2603:10a6:10:309::18) by PAXPR04MB9256.eurprd04.prod.outlook.com (2603:10a6:102:2ba::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8606.35; Fri, 11 Apr 2025 14:42:36 +0000 Received: from DB9PR04MB9626.eurprd04.prod.outlook.com ([fe80::e81:b393:ebc5:bc3d]) by DB9PR04MB9626.eurprd04.prod.outlook.com ([fe80::e81:b393:ebc5:bc3d%4]) with mapi id 15.20.8606.033; Fri, 11 Apr 2025 14:42:36 +0000 Date: Fri, 11 Apr 2025 10:42:29 -0400 From: Frank Li To: Alexander Stein Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , open list , hongxing.zhu@nxp.com Subject: Re: [PATCH 4/5] arm64: dts: imx95: add PCIe's msi-map and iommu-map property Message-ID: References: <20250128211559.1582598-1-Frank.Li@nxp.com> <10643619.nUPlyArG6x@steina-w> <1970445.taCxCBeP46@steina-w> Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1970445.taCxCBeP46@steina-w> X-ClientProxiedBy: SJ0PR13CA0073.namprd13.prod.outlook.com (2603:10b6:a03:2c4::18) To DB9PR04MB9626.eurprd04.prod.outlook.com (2603:10a6:10:309::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB9PR04MB9626:EE_|PAXPR04MB9256:EE_ X-MS-Office365-Filtering-Correlation-Id: e7996837-4bde-4bf5-8688-08dd79071a01 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|52116014|376014|7416014|1800799024|366016|38350700014; X-Microsoft-Antispam-Message-Info: =?iso-8859-1?Q?fA7lfZRV1TzKErMK++hVraqCJsQNEKqoL25CeVmu5AjUjG1UhiXvrPZ9GH?= =?iso-8859-1?Q?kY5L/HE66eIgucHaG6md6ScaXegR4DuP1/io3TSZ+Q3O7m/KSoaue+3oNZ?= =?iso-8859-1?Q?aNxWa441TKZALGXnH4H84o0li+aVCYPTb3PtdoICodhiWLfRPzzTnAjske?= =?iso-8859-1?Q?ikvDu2W12DId4AFhcqS/3iFvfQBpl+4OKnYp+whtO1xQ/OY1iKRFKjHGWN?= =?iso-8859-1?Q?P44KN7W0KztUeuOm93ZmrkNPBxBXkqByCpEH/xQCJd7tbuObZtPBf+AK9w?= =?iso-8859-1?Q?IcH/+ASD01LQ20nvhTdIShuDbTrc39hBdFq/GIXAt+GiG+7nFvw2X39JoN?= =?iso-8859-1?Q?vA4UYyOQXfY1hL6pBs7EH62XcuRuh9aWT0QynGBOzUZ9aUemuUQMmvqRyi?= =?iso-8859-1?Q?O38zSN3iNgJ7zV9MHU7NqjJd4OdGf9NmaiKqMYNe/FW4YLqsBXlKIqlrnw?= =?iso-8859-1?Q?uJsQDD+rODqjaDOZOXVrIr+NImtib79mi74wlFQ26xYLzTthUSifD3cQDk?= =?iso-8859-1?Q?O6Vp18bNoWQjAodp40ZHoLBwU9m/hJEeuCRdPEJESRxUlIZo6RRyZ6lfCt?= =?iso-8859-1?Q?s6O6OYdwLoTenFrT6CYvGI+UGr6pXjuO+YPHQa9WFx2yzD88aNtQNQ/tj0?= =?iso-8859-1?Q?LFQ/UrQPIe/NkcGeqaL3lCYLcKA/PF+o5iRtljZ+JQIAtnSiNCuUrhIvEl?= =?iso-8859-1?Q?mP2ac4cVv2bFIhPUqSup1ZWRu0dvTASJ2VH50QBMl4GnvT0tzM13l4SfW+?= =?iso-8859-1?Q?A7O4ikNeAYj+sJApTF20r1MsFCq60cK08Sv6OZZgkt4zYWvm0lsctEqbg2?= =?iso-8859-1?Q?CxOBkK/UaWeQmlSGCEP0qhkIVSxH/mgGqNkQM3qZhi6XveX8UWhtSTOaV2?= =?iso-8859-1?Q?CLkxexg1UmRJBhSf2lNVU6cHH/qEVGgb6Z8GedaISRI5VNpTaW+hpzbkai?= =?iso-8859-1?Q?tZLendxuwIJ/jZrH54K9C96LBrcJdORgj9EUBT26ZXIn4InFbOkNoQOWIc?= =?iso-8859-1?Q?RnsQs//F2PrXrYpA86ENXVr99TmCP05NNJtMS4+yurSHjsJLeVY3l7v2iN?= =?iso-8859-1?Q?Z7fVGyO84QAgG8wLVfzOAVU6ZWrtpGAuNFzCM+UO5bti2vaa7PpIpsnIia?= =?iso-8859-1?Q?JlxDayWCLDcPNWXNKDOqrm64KmuMx0/Osmht5mvRZZPElAoGzSf3Cxl/Oh?= =?iso-8859-1?Q?dm5r/J4ZmstNFWMVcZuH/HBWKxACAgUorr65jEkCetd0NVA0zRvfshdujZ?= =?iso-8859-1?Q?9L6z/7NI+ef5AR3VoZTkl6X0YiV48NYhPHGWQ8AcgjAKmMp/xy/HcImgSu?= =?iso-8859-1?Q?qiR4gWvuOqAFCkaU4QKUM6qS+snrxI7MWpkZ8xJKaSsEyPKuGyc7cntbzU?= =?iso-8859-1?Q?zs+Pa+qVXkjXU70r+W/lJNSI0Cmkx0xFA+ehBpF0p1YlwPPf0Gm8/h+qlF?= =?iso-8859-1?Q?ov4VsV7Wg0/RglqQGn5nNJG7JUMc7zaHm+2SxPXqY4/yULxYBUv9HhMbfY?= =?iso-8859-1?Q?I=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DB9PR04MB9626.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(52116014)(376014)(7416014)(1800799024)(366016)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?iso-8859-1?Q?XParyvsnQDqz0X2lPsZELaNWMLNfvYULoxk42U4V6xiGr9wHtqWkXT701Y?= =?iso-8859-1?Q?fL9NQ3481HFyHi0jca21srG/4VA0/RUS4+N6oqShNi4ud72V7TOvItteq3?= =?iso-8859-1?Q?oykkN8mJ7/RVV8wYJtsoCG/U2hqNIh34mumqb7/C4QxsxPmXfqoQvDMfw0?= =?iso-8859-1?Q?3j9Ho9YySyr95H5z8P/P8foVFEFDkR3D/SBE1XX8ZBHC3RiBd4ctpMVKQT?= =?iso-8859-1?Q?v4ObFOHJHq3Byectjvzn3WmRsESGoRnq6KelErhgpjew0su4WcbTZDYdBu?= =?iso-8859-1?Q?MmrmzuOtIoC+riNNH6nelb2ccjefavIBdHeP2ppA0iGgdSf3AarqozvSMc?= =?iso-8859-1?Q?P4yjWxH2Nl+eH6fPr+qqJAyjzkheOkdHuNo2KfpbAsgyxnfnpO8QkwDbJi?= =?iso-8859-1?Q?88yALzryYSgPq+TpWrABH4KurKjiGPphrHGD/bVW0hOAthgAyiwG148HNh?= =?iso-8859-1?Q?O1jezH/4FxTzZAes16enRBykCq+Ut9QhsAjMmdIZW5F4p/F0G+VhDjB8qy?= =?iso-8859-1?Q?0VohXi1rb6BCIJompl/NzBKidQf1E4p3zZjUXFfaXpsRGBjer8+OSyJVvw?= =?iso-8859-1?Q?t6XULZgUuKL7X7dIDpoMf6RJB/NI+aUuY3dq2tIf+ZhkyXI1TWkNVliw9l?= =?iso-8859-1?Q?D/3lheqD605fUS1T3ldckQ7Z0h2MTVuc9mQ2Tz9JnLRzKs2mDeIKDMRwHl?= =?iso-8859-1?Q?kpgkoqACEhQQQuZ186b1Lwc/czo6mjafJsfu1CP7apxSXAR3Q3bqbD7BUw?= =?iso-8859-1?Q?jQNYfIaJtxpIE/dkX/DUbg82xid24T0D9OicX8cx0iLpbQKaONbwQz0tTt?= =?iso-8859-1?Q?xrDoyW0Orzkjzk7Q3H0TMr1lg4jk1LSfz8aPQi2trE6UOgAvUsvx38ECs5?= =?iso-8859-1?Q?VTYGnyonxpSi5FZykTPbINt87KTPy6eRgmJljMEvtWiX32wgZDp8BOKHJS?= =?iso-8859-1?Q?XZG4D7MEDwyj8a3G5HXMNLhGUfbd//GxvNdCy6uNobDzswQJI+HXrVKKul?= =?iso-8859-1?Q?NkYHrCGcg7htiV+t1ex8nZDdV2naY3veIAIWtw2HhJkWIL+uQKobTfSHgg?= =?iso-8859-1?Q?5mVivrTpNYMh3wAeajiWb8Qs7Sr5t0mbbUc7OJviBTYP7/5BchTVtOc+0p?= =?iso-8859-1?Q?0WZxImurTABs+W3jTMHuabtCu+0+IDkVXVmlyKhs81U2jSNb5N7AOtDpb6?= =?iso-8859-1?Q?yfbYPAJYrYai09Cw/QaUnoG8+bh6KV7hava5blAKiIqcerdMAMoLxHJigY?= =?iso-8859-1?Q?0K4+PEssQnSUKWYWkHYZIQJVbjmWB3HujHwMeRqRsJeAiX3PMhhFyCshfD?= =?iso-8859-1?Q?cMsJjrjW8pP3h2OVpWdxftmDOBr/uEMpmFBfvHVn6I+qYftarAD8hVH0St?= =?iso-8859-1?Q?fM9wpx6FMAz0zLpGBz1kHPahM7s2IXaNPpdf32f0lud3z/5MbaXfEBLJld?= =?iso-8859-1?Q?nIZSH7GBIby/+c+K2ZqGWU+Q/LmZJ39wUKq8WX0Yz0qO82F77QCYngLdqy?= =?iso-8859-1?Q?Y6+5773f50fvqvJ2D/OKFJygE4dM50bW85u1h2mEAbICKXTnVDfWZ3evpV?= =?iso-8859-1?Q?qbrsnhwMgEtBiFT4WXLdTaxRB9FHnk0uF2bW/OTat4z6CJtcF0dSJqLmJw?= =?iso-8859-1?Q?7VjTb9zAxgYth5Z0S7m2EuKOq5wHrrUzGP?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: e7996837-4bde-4bf5-8688-08dd79071a01 X-MS-Exchange-CrossTenant-AuthSource: DB9PR04MB9626.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Apr 2025 14:42:36.6582 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: HJ05S/vKQ72CTM9nvIgbVd7AczsB249LgCjHwMR2ZN0S53Qt0qNJUVm71pKVxHG7yXhR1p51PYG3dGfFhkJ1qg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR04MB9256 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250411_074241_006137_1C212261 X-CRM114-Status: GOOD ( 32.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Apr 11, 2025 at 08:53:02AM +0200, Alexander Stein wrote: > Hi, > > Am Mittwoch, 9. April 2025, 16:59:21 CEST schrieb Frank Li: > > On Wed, Apr 09, 2025 at 12:14:48PM +0200, Alexander Stein wrote: > > > Hi Frank, > > > > > > Am Donnerstag, 27. März 2025, 19:48:33 CEST schrieb Frank Li: > > > > [snip] > > > > Finially we get realtek PCI card > > > > > > > > it quite complex, there are one PCIe switch to split it to two pci bus. > > > > > > > > lspci -t > > > > -[0000:00]---00.0-[01-ff]----00.0-[02-04]--+-03.0-[03]----00.0 > > > > \-07.0-[04]----00.0 > > > > > > Interesting. Mine looks slightly different: > > > > > > $ lspci -t > > > -[0000:00]---00.0-[01-ff]----00.0-[02-04]--+-01.0-[03]----00.0 > > > \-02.0-[04]----00.0 > > > > > > > > > > > > > > > 0000:00:00.0 PCI bridge: Philips Semiconductors Device 0000 > > > > 0000:01:00.0 PCI bridge: ASMedia Technology Inc. ASM1182e 2-Port PCIe x1 Gen2 Packet Switch > > > > 0000:02:03.0 PCI bridge: ASMedia Technology Inc. ASM1182e 2-Port PCIe x1 Gen2 Packet Switch > > > > 0000:02:07.0 PCI bridge: ASMedia Technology Inc. ASM1182e 2-Port PCIe x1 Gen2 Packet Switch > > > > > > It seems you have a newer hardware revision. I have > > > 0000:01:00.0 PCI bridge: Pericom Semiconductor Device a303 (rev 03) > > > 0000:02:01.0 PCI bridge: Pericom Semiconductor Device a303 (rev 03) > > > 0000:02:02.0 PCI bridge: Pericom Semiconductor Device a303 (rev 03) > > > > > > PCIe bridges. > > > > > > > 0000:03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller (rev 09) > > > > 0000:04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller (rev 09) > > > > > > > > It need below change > > > > > > > > diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi > > > > index 9bb26b466a061..9dbf395b9a67b 100644 > > > > --- a/arch/arm64/boot/dts/freescale/imx95.dtsi > > > > +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi > > > > @@ -1660,10 +1660,18 @@ pcie0: pcie@4c300000 { > > > > power-domains = <&scmi_devpd IMX95_PD_HSIO_TOP>; > > > > /* pcie0's Devid(BIT[7:6]) is 0x00, stream id(BIT[5:0]) is 0x10~0x17 */ > > > > msi-map = <0x0 &its 0x10 0x1>, > > > > - <0x100 &its 0x11 0x7>; > > > > + <0x100 &its 0x11 0x1>, > > > > + <0x218 &its 0x12 0x1>, > > > > + <0x238 &its 0x13 0x1>, > > > > + <0x300 &its 0x14 0x1>, > > > > + <0x400 &its 0x15 0x1>; > > > > iommu-map = <0x000 &smmu 0x10 0x1>, > > > > - <0x100 &smmu 0x11 0x7>; > > > > - iommu-map-mask = <0x1ff>; > > > > + <0x100 &smmu 0x11 0x1>, > > > > + <0x218 &smmu 0x12 0x1>, > > > > + <0x238 &smmu 0x13 0x1>, > > > > + <0x300 &smmu 0x14 0x1>, > > > > + <0x400 &smmu 0x15 0x1>; > > > > + //iommu-map-mask = <0x1ff>; > > > > fsl,max-link-speed = <3>; > > > > status = "disabled"; > > > > > > > > > > > > Only 8 stream id assign to PCIe0 device, it is hard to dynamaic alloce one, > > > > or need extra works > > > > > > Uh, this looks awefully complicated. Even worse this doesn't work on > > > my hardware. I need mappings for IDs 0x208 and 0x210, so I replaced 0x218 > > > and 0x238 from your diff into my numbers. > > > > > > So I take that PCIe bridges are not supported properly. What would be > > > necessary to support this? > > > > I remember bridge use msi to do port power managements. > > > > ITS msi-map can distribute difference irq to difference cores beside iommu > > address protection. It is quite userful for nvme or network devices, which > > have multi queues. Of course, we need more elegant solution. > > > > My card use difference pcie switch chip. But suppose it should work after > > you update RID information. > > Yep, after adjusting RID mapping, it works here. Are you sure it work after adjusting RID mapping? you said "I take that PCIe bridges are not supported properly" So I am confused. If it works, I can think how to allocate a stream elegant. Frank > > > which kernel version do you base on? > > My development is usually based on current linux-next versions, so it's > based on v6.15-rc1. > > Best regards, > Alexander > -- > TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany > Amtsgericht München, HRB 105018 > Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider > http://www.tq-group.com/ > >