From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from LO3P265CU004.outbound.protection.outlook.com (mail-uksouthazon11020122.outbound.protection.outlook.com [52.101.196.122]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A095D367B92; Mon, 29 Jun 2026 12:39:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.196.122 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782736787; cv=fail; b=AEraK5GbIzPyyHg2WUWG3VsrPD+Qq82SgLx+44wsKJq0XMTjZZv1RRWQ+V/QQ7dMyhbKC17PpfCe8SXh1a/k7uL69TWhFJfV2Dpyaz8DB5xMmq64GMdbCqdsolO91uX4TftEUZ3Rc39h4zBqRYbzH2wPQElaC/Baio0m3sl9HfQ= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782736787; c=relaxed/simple; bh=2dT/k0xdyDAv/VId4TJjbcCnwySmY8Qww6TVUXxc1A8=; h=From:Date:Subject:Content-Type:Message-Id:References:In-Reply-To: To:Cc:MIME-Version; b=fH/FT46qsI/ZD1hjib1rcomksnUL/3NizjkctoWzfs3aejeHT3e3vlEi/9IwnnxfybjoUA1JhVkwb7Y+NmH0e3Ooc2bNRNmfQpNZqkv24fau6DMWtPmYgavU+TVJc76EEFEs5xRr9Zu92gyBhGsIph5vXg5VQPZUNDeoH+n6H5k= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=garyguo.net; spf=pass smtp.mailfrom=garyguo.net; dkim=pass (1024-bit key) header.d=garyguo.net header.i=@garyguo.net header.b=DNDeV1aM; arc=fail smtp.client-ip=52.101.196.122 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=garyguo.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=garyguo.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=garyguo.net header.i=@garyguo.net header.b="DNDeV1aM" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=c4Iq6wZKhRmPiEX4gJfgl524KARbPQM9cz12C2Aa24fZaUoGgGLZUAdqgzRy8GNwXzx4wP930W0n4iD8m2PZH0NOQkFnUrrR7N+Kfyy3OdL8A+rGFvCzLmqn8jQoba9SUWo20MgLaNZ0DjeQd6mC2+Z0bJ22QdBkuHLf2QMm1K/tDAZe2rhzqFwnQuIc0EzP6idmkq5YlWYdd4m3NIvxKOTQ6R7bcYZwJ6egGPhIW5DOcZSYZH/UhZ1WiRpb/GcUAMXuBY027zdoTkXVYUKGBRoeJzxoxMbgZWEhHUZdc8/b/7VULyLYm+1Lqz/tqpUzQXuJQ/7Dtrr2B8jBZritJg== 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=gYhqXbWIhT3rqYCl5LJZ7ER8BbRtoBickjLIbda0PYs=; b=B/WslompsM5lnTYU++cDBwC8DDpUNWyUdH4qHb2+BpEpKt4ixVnT79rb3VWKfufqMUBCe3s/4b7W1QxH8Mw6uATu+u+5HqLH3HW8cFESSTbzRN+yyNcx4aZj4brYqCL/FavlQa7DqmA8CmO2TAwo+9xkBJ1tN181/N26GB7Li309xYWhARrm7m5cv6PMjV3QZbP38REZunJWoSJj6+UcAI6aihaw5yDkvXSp2661cKw3AXIR4NJ9C05Bq73Xyfor2PYkYldYNCtid7Gx87mE3Wp47unnOUs9Vj/+khGfFl43aRxwEm0bHDMmb9H9j4+wsUFv2dQ3NauhT3ZkHLtg8Q== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=garyguo.net; dmarc=pass action=none header.from=garyguo.net; dkim=pass header.d=garyguo.net; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=garyguo.net; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=gYhqXbWIhT3rqYCl5LJZ7ER8BbRtoBickjLIbda0PYs=; b=DNDeV1aM+dqiCm/aK3KACu1R3t0pXVzTb2klFGVvHf5SC1m1QjLzXH4YjLkmwLGqD0Wexb6CUPEECtdw/aNLQamoAG9Rlv+eXAJkQeAigIiQv8aNuVdGJYYilOkF2Dbgm+egH7P+U1rjehJrSkedJOZn+FOAJ5RS0KeiTVaF7KM= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=garyguo.net; Received: from LOVP265MB8871.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:488::16) by LO8P265MB7414.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:3b1::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.159.19; Mon, 29 Jun 2026 12:39:41 +0000 Received: from LOVP265MB8871.GBRP265.PROD.OUTLOOK.COM ([fe80::1c3:ceba:21b4:9986]) by LOVP265MB8871.GBRP265.PROD.OUTLOOK.COM ([fe80::1c3:ceba:21b4:9986%4]) with mapi id 15.21.0159.018; Mon, 29 Jun 2026 12:39:41 +0000 From: Gary Guo Date: Mon, 29 Jun 2026 13:39:37 +0100 Subject: [PATCH v2 03/11] rust: pci: use `Option<&IdInfo>` for device ID info Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260629-id_info-v2-3-56fccbe9c5ef@garyguo.net> References: <20260629-id_info-v2-0-56fccbe9c5ef@garyguo.net> In-Reply-To: <20260629-id_info-v2-0-56fccbe9c5ef@garyguo.net> To: Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Miguel Ojeda , Boqun Feng , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , =?utf-8?q?Onur_=C3=96zkan?= , FUJITA Tomonori , David Airlie , Simona Vetter , Bjorn Helgaas , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Abdiel Janulgue , Robin Murphy , Dave Ertman , Ira Weiny , Leon Romanovsky , Len Brown , Igor Korotin , Rob Herring , Saravana Kannan , Viresh Kumar , Michal Wilczynski , Drew Fustini , Guo Ren , Fu Wei , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Cc: driver-core@lists.linux.dev, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, nova-gpu@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-pwm@vger.kernel.org, linux-usb@vger.kernel.org, Gary Guo X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1782736778; l=4445; i=gary@garyguo.net; s=20221204; h=from:subject:message-id; bh=2dT/k0xdyDAv/VId4TJjbcCnwySmY8Qww6TVUXxc1A8=; b=3vblXVaQHQDIWS8Y6okOSztEaQudKzclVeuGq0eRTJ7RpQTQ8aQPFA6+3fjbfPltnIT83ZJiQ rlzX/Ygy64LBf7evIqSPPBb9UhRK3Walu8Thdp2+x/K2BOMDVqkTkKN X-Developer-Key: i=gary@garyguo.net; a=ed25519; pk=vB3uIX95SM4eVrIqo1DWNWKDKD2xzB+yLLLr0yOPYMo= X-ClientProxiedBy: LO4P265CA0091.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:2bc::8) To LOVP265MB8871.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:488::16) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LOVP265MB8871:EE_|LO8P265MB7414:EE_ X-MS-Office365-Filtering-Correlation-Id: d5e5046b-1706-4af8-d292-08ded5db7dae X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|23010399003|7416014|10070799003|6133799003|921020|3023799007|22082099003|18002099003|56012099006; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LOVP265MB8871.GBRP265.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(23010399003)(7416014)(10070799003)(6133799003)(921020)(3023799007)(22082099003)(18002099003)(56012099006);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?aWc2TysreHlRTmtwK1FCY0NIdFBOeWVjVENMTy91d2lhMnpFWm9vRmdXVVFz?= =?utf-8?B?aGI0Mk44YWpEdk5jNjNUNm9hWVdWYmllQ3ZnM3MydDVlK3RyQTY1Qk5hYUsz?= =?utf-8?B?eWJyY24rSUhIbTZnSXlPdlpBWXQ4aVErbHIzWlBZVFh3Z2FvU0NtRVBiNUFY?= =?utf-8?B?TDdTbVNOeXVXN1hjaTE0UjJ2RVR1TFpDb3d3dDJpQ0h2LytMV0ZxczlaUnBX?= =?utf-8?B?eERJZkdqOC9FVEN3eDBWVEFZdlloRmNvaE5JS3lOUUN3UzJWUi9aTXpmSFVD?= =?utf-8?B?d0xNOTRWSzQvRlV5UkRQUTl2emYwOHZVWnhUQ3lLNnVNaEtDNmQ3WUQybGJP?= =?utf-8?B?MjJPeGx1WGMrOTFyV3JpVlQ5TnVUN3M4WjF0eHNMZkxnRlhKa0pzRWQ3RmNm?= =?utf-8?B?TEpnTHIyUW5aVGFuVzdJYk1ka2RaanEyMzdWK0g3M3M3Y3N3dkRxeGR0YWNF?= =?utf-8?B?akczUnRicjVPWGRldnE3clM4Ni8zd3g2TG9QQThIcGp1MDg2ZjQ2YXJ4SXEr?= =?utf-8?B?dWkzTnFEZENNcnQzdTRzTUpOM21QazNTTlp0cXFyc2hoRUxTaXhYRXY2dXV5?= =?utf-8?B?NUJqR2lRalZjNDhzVmF4d0tacWR3NlJFL2hXUDlxMHd2blcvZ096UzA5d3lw?= =?utf-8?B?SXNJSE9CbHgwUEt0Ymg5bnhQL2JEK1dWdmxwOUNrMStwOTFLeVNzNUJEUi94?= =?utf-8?B?T1JnL2dJc3djTGZkeE5SbUUvYkZyNDRaSDIzZGd2VVhCMGdBWEFObUhWQVdW?= =?utf-8?B?dVRCZmdZOUswQ1RDY2pwWi81ZjN0Qy9mWGVlWmRYcEpVYlJ1NmEvQUwrRjR5?= =?utf-8?B?L3Npeis2MitKYndmZ25LYkhLYW5BNHY3bzlwUUYwcTZ0bWtYbm1IeVI3YVdJ?= =?utf-8?B?SFBBN1VFRGVPU1JRUDV2dWo3Z2NMZW54anhsbFV4TndqbUZENVA4Uk9wSVhn?= =?utf-8?B?eUQycE8veExMYUkvQWVwRW1OWWprL251NkJvbStnVG9NdVIrVWl1eXA4TVdL?= =?utf-8?B?MzY4enRhZno2RENlOHFJam1UU2V1QmFCZm5xbytwRHJES25oYU9rMVF3MlI5?= =?utf-8?B?cHhTaURWUlhzdVJUd2w1NDdRMTREWnJrbmhmc3ZJRVp5Q2JPa3VTMWs2QzZp?= =?utf-8?B?Qml3ZEFBU29hNWlwZmw5UG02QWhyMCt0N0dnMUdFTVZRZGlxR3dRKzBWbHRi?= =?utf-8?B?Mk03Uk1zakoybW0yZFRta2U4Skl2aTJ6THRqekFrM0VQNVY1NFBveitGN3dR?= =?utf-8?B?QnlYZzJGWWF6MzZ4QXBHRnhVYlJjMW12MDZIaS9rbGE3SUE5V2dnNkFJNGxJ?= =?utf-8?B?NGlFSEg2R1pwME1QcU14TDMyYytNbVpMV2lKUW1HdFZaaVVlUlplTXFmd0Vp?= =?utf-8?B?ZkRkb3B6SkZ5R29UZjhtSTFiME9NVmMzMlB5MTVydXpscitIbENmRng5YjEx?= =?utf-8?B?WjNQR3NnNXFyVE9CWFY0RkttRytuK1FCM2NkOVpxNlp2N0RxVlBvNitIV2tD?= =?utf-8?B?UUorTmRpY1VWWlMzZmgxK2I2cUwyMXJGM2tsTGlCY0psUndES0p2MXVCOW1y?= =?utf-8?B?b0p1Nk5rcWM3WmZVNWVXYkhDUVY1U081MUo2YkVybll2eUtsanByeDJIWlEw?= =?utf-8?B?RDZKZWl1emxWdXFNVlR2aVdpbStVNTd0SkNoTDJrTWJwYjlxR3M3V0dscUlN?= =?utf-8?B?NEdJUFplWTJsQU9rMDJ5Ujc1aWlLbHBucjBramFNbEs1MVVyNDRFVG1rQklJ?= =?utf-8?B?NzF2ODVpbGtUaU1rTUQ5U1NBOXZOTDhwM2lQT0dZMW1wQ2F5VGxqQ0RqSTJQ?= =?utf-8?B?REE1ajZpWjZuVlRudUV4NGhpeXJWbmk0SklZTWRlV3VWd3Z2TFFybjR1QzlX?= =?utf-8?B?aWY2YnN0NVJTRGdGcmFjSVJqUXZudGtHbFpCZXRaWVo2dUpobWRIdzJKRE5L?= =?utf-8?B?aGk4WmkzTC9GRnVCVU1TVXYvL3l4SnFXV1Q1OCtsVmlmSTRJNkl4MnR0YmtP?= =?utf-8?B?eDMzVGR6WTEzWXRyR1B5MDZ1bmJmYmo2MFEyWmdjbHJ6Z0VOMmR3aVJkS2M2?= =?utf-8?B?OXU1U245V3NmRlBTUU82Rzlvb2NOT1RqMUl4azRWQnJ6TklVOHQ2Z3drSXpC?= =?utf-8?B?czJ6NEV6YzcwczFxQ3k2d2dsODZuYm43eThHZzZnU25tSzR6UnZOU1BKT0Vx?= =?utf-8?B?QUZMcytuSUVtMktVVzdLMFFuRnlaRWk2citRTlNVWHdLd0x4c1ZtVXZtR2pW?= =?utf-8?B?NFVvd0wrZW1RS2dMdzZRZnhlQWhMRWtudTJxWUUrOUM2NExoODVuTEtGWE95?= =?utf-8?B?U1l6VSszbks2YklRRnZPQUp1cmM0S0FjaktaaWpoOXNlMGxoVEt5Zz09?= X-OriginatorOrg: garyguo.net X-MS-Exchange-CrossTenant-Network-Message-Id: d5e5046b-1706-4af8-d292-08ded5db7dae X-MS-Exchange-CrossTenant-AuthSource: LOVP265MB8871.GBRP265.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jun 2026 12:39:41.6936 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: bbc898ad-b10f-4e10-8552-d9377b823d45 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: OoJV/h21u6XhIHuSYGm75m7SWzTbCFJqLUiy5PQoe8GSf2IaXZQ+GJDBnqXlrb4vRa1lDjdOFktSR4QR0TkaiQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LO8P265MB7414 It is possible that `pci_device_id_any` will be passed to the driver, e.g. `driver_override` is used on the device. Therefore, the driver must be able to handle the case where `driver_data` is 0. Thus, update the `probe` functions to get `Option`. The current code cannot tell if the info does not exist or is the first entry; however this will be achievable once the code is updated to use a `&'static IdInfo` pointer instead of indices. Signed-off-by: Gary Guo --- drivers/gpu/nova-core/driver.rs | 2 +- rust/kernel/pci.rs | 6 +++--- samples/rust/rust_dma.rs | 2 +- samples/rust/rust_driver_auxiliary.rs | 2 +- samples/rust/rust_driver_pci.rs | 3 ++- 5 files changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/nova-core/driver.rs b/drivers/gpu/nova-core/driver.rs index 5738d4ac521b..5a5f0b63e0f3 100644 --- a/drivers/gpu/nova-core/driver.rs +++ b/drivers/gpu/nova-core/driver.rs @@ -70,7 +70,7 @@ impl pci::Driver for NovaCoreDriver { fn probe<'bound>( pdev: &'bound pci::Device>, - _info: &'bound Self::IdInfo, + _info: Option<&'bound Self::IdInfo>, ) -> impl PinInit, Error> + 'bound { pin_init::pin_init_scope(move || { dev_dbg!(pdev, "Probe Nova Core GPU driver.\n"); diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs index 5071cae6543f..0e055e4df99e 100644 --- a/rust/kernel/pci.rs +++ b/rust/kernel/pci.rs @@ -113,7 +113,7 @@ extern "C" fn probe_callback( let info = T::ID_TABLE.info(id.index()); from_result(|| { - let data = T::probe(pdev, info); + let data = T::probe(pdev, Some(info)); pdev.as_ref().set_drvdata(data)?; Ok(0) @@ -284,7 +284,7 @@ macro_rules! pci_device_table { /// /// fn probe<'bound>( /// _pdev: &'bound pci::Device>, -/// _id_info: &'bound Self::IdInfo, +/// _id_info: Option<&'bound Self::IdInfo>, /// ) -> impl PinInit, Error> + 'bound { /// Err(ENODEV) /// } @@ -313,7 +313,7 @@ pub trait Driver { /// attempt to initialize the device here. fn probe<'bound>( dev: &'bound Device>, - id_info: &'bound Self::IdInfo, + id_info: Option<&'bound Self::IdInfo>, ) -> impl PinInit, Error> + 'bound; /// PCI driver unbind. diff --git a/samples/rust/rust_dma.rs b/samples/rust/rust_dma.rs index 5046b4628d0e..9beb37275e0d 100644 --- a/samples/rust/rust_dma.rs +++ b/samples/rust/rust_dma.rs @@ -63,7 +63,7 @@ impl pci::Driver for DmaSampleDriver { fn probe<'bound>( pdev: &'bound pci::Device>, - _info: &'bound Self::IdInfo, + _info: Option<&'bound Self::IdInfo>, ) -> impl PinInit + 'bound { pin_init::pin_init_scope(move || { dev_info!(pdev, "Probe DMA test driver.\n"); diff --git a/samples/rust/rust_driver_auxiliary.rs b/samples/rust/rust_driver_auxiliary.rs index 2c1351040e45..73c63afc046a 100644 --- a/samples/rust/rust_driver_auxiliary.rs +++ b/samples/rust/rust_driver_auxiliary.rs @@ -79,7 +79,7 @@ impl pci::Driver for ParentDriver { fn probe<'bound>( pdev: &'bound pci::Device>, - _info: &'bound Self::IdInfo, + _info: Option<&'bound Self::IdInfo>, ) -> impl PinInit, Error> + 'bound { Ok(ParentData { // SAFETY: `ParentData` is the driver's private data, which is dropped when the diff --git a/samples/rust/rust_driver_pci.rs b/samples/rust/rust_driver_pci.rs index 1aa8197d8698..5547dd704a1b 100644 --- a/samples/rust/rust_driver_pci.rs +++ b/samples/rust/rust_driver_pci.rs @@ -144,7 +144,7 @@ impl pci::Driver for SampleDriver { fn probe<'bound>( pdev: &'bound pci::Device>, - info: &'bound Self::IdInfo, + info: Option<&'bound Self::IdInfo>, ) -> impl PinInit, Error> + 'bound { let vendor = pdev.vendor_id(); dev_dbg!( @@ -153,6 +153,7 @@ fn probe<'bound>( vendor, pdev.device_id() ); + let info = info.ok_or(ENODEV)?; pdev.enable_device_mem()?; pdev.set_master(); -- 2.54.0