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Thu, 6 Nov 2025 02:29:19 -0800 From: Zhi Wang To: , , CC: , , , , , , , , , , , , , , , , , , , , , , , , "Zhi Wang" Subject: [PATCH v5 7/7] sample: rust: pci: add tests for config space routines Date: Thu, 6 Nov 2025 12:27:53 +0200 Message-ID: <20251106102753.2976-8-zhiw@nvidia.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251106102753.2976-1-zhiw@nvidia.com> References: <20251106102753.2976-1-zhiw@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002322:EE_|IA1PR12MB7734:EE_ X-MS-Office365-Filtering-Correlation-Id: 484bdd1e-b9ec-462c-946f-08de1d1f64b7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|82310400026|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?qtNgyf1s0jxWiWFe8Y/08wUIqvd2wakb5iHLgJa8ydL53IDSQHygDQh7s1TP?= =?us-ascii?Q?d2oUmE2ilWjGCqrqOfS0+NCJRXYuvYCw0FuN1oNckfeIjoSL47cGJwWx3dX1?= =?us-ascii?Q?L9HlLQmldG1OVVyIjJ522+a4CNDWtKV6ONoukSoXyTTDXOWQn+caGpyd2aOe?= =?us-ascii?Q?vOjaO99zQMnat36n2JM2l9hcuQH+gxLBhYM37VyDyhFi/yBZHmXgsiWdC8pO?= =?us-ascii?Q?fXMbXi7jHwG6Vn/9n50KcADw6SKKaqD8EC6nGqVCRugDZVrzy67yY6h/eKHh?= =?us-ascii?Q?lyaYbroImKFgj1w+grAi1KJoFXGYGm3GT7Ag6lOxJ65nYWID5jVOMSrIt0Qf?= =?us-ascii?Q?qS64CfcatXELDbWzyrW9DKZHoTxeHwtYOfiEPFHuC0QcNu0Edlr0KrxJ0Sw0?= =?us-ascii?Q?SenG1+FWxR5N+vf59KVn4UnHfH7WRuaDppfITc51HtGPd/ZQvoRHejz37vvl?= =?us-ascii?Q?eC+QHUh+RLWbUF0sW04DZpV6uDpyBaeOIfLGcTV50y71ZC7g1SqK2oAVRFJ3?= =?us-ascii?Q?1AP78F0raFTeXVlji+QsH6J/0pWj5eA224WqoDzW4JwuLBBmlt8ruSDIM5hm?= =?us-ascii?Q?2ZwsgDnAnOOZ3kOuJz0/9RUSj3hxifua/TtJz0SdnKYzJn10ij258BCM5Ldx?= =?us-ascii?Q?ECWOGzmP1j6ZOSku9DZZuY66FlDKC9a16AnclDN4lyOosd60LlW/iDROgiPx?= =?us-ascii?Q?d86jcH40iu6zMvmJ4NoZTHyeV3oNy/e9rUQTfD67xrjlyLqUqPhdiiUly1QR?= =?us-ascii?Q?XRPLHw4dDvDVAa6oj7jlcgAJpLu1lgkDidBeTzJlFH2naH4/gHMVogVGH1H1?= =?us-ascii?Q?38kfAwL8X9YuQn/oTjX8znvOs7Pe+ejPKgnlhznKBFDU6fpCEbRYOZnULG9I?= =?us-ascii?Q?BHDCjtvtg9W1jb7trAb/9U9WkeuPgfFL3pGIWURkxbWtZEnzzCKZLYPqkQP6?= =?us-ascii?Q?zunqZFhCAXyoo5FTbTsVtkswo0uFgqR8NhZ0sY3hmZgk0YwIgAYs9WJuD9gr?= =?us-ascii?Q?n7DjHuj7jfEiJ8DFJiEeTOPaLWPmh/bv7I2srxlb66JIs/5av3n0oqe8mn78?= =?us-ascii?Q?ZW7Y63OMA2cYLCnHfObOWTOXki7MuZx1M3VfKWBEtlxyJMAQ1QEqOdvteE1E?= =?us-ascii?Q?clqDA5di0vfPnHR5D3bI9dN0gGItTDc0Tak53ln1ZNBODflsdrWkKQ7Ck+5L?= =?us-ascii?Q?FHmb6bpbEtzVTO+bAfzoxyLCuOn2XE+RzT0Atti0hUmoT18yBxpFo+lwsL58?= =?us-ascii?Q?c6rQ06q69JPjHKkcsjl4GRqBBv2adJv1r0aJEU4oseKlsBVh7kmM4KNkpurp?= =?us-ascii?Q?YV15ZXneqbnU74ePOka5e6/bl0sZFNaKFLtL3f0wUJn1dvnFeM0eaj81bqdp?= =?us-ascii?Q?9YjvBF8Zsj+9A0v+BY1OalOWDCW9FdCQ8cjLrsgFiXac3sdrQ7NTwbksPVNG?= =?us-ascii?Q?Q5YGHYJId6WIKU1Lke07D8OtBJ0ZdRl/AqyVwrT2ikJsCF/XOexp7jbCYW2E?= =?us-ascii?Q?oaa/ErEoueVKzt1WQofitYuecNvK979FprxWUvxuUUa8ckyc1HDbnuWnPbg0?= =?us-ascii?Q?guA15hggGF9IkAgIqK8=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(7416014)(82310400026)(36860700013)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Nov 2025 10:29:40.3758 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 484bdd1e-b9ec-462c-946f-08de1d1f64b7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002322.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB7734 Content-Type: text/plain; charset="utf-8" Add tests exercising the PCI configuration space helpers. Suggested-by: Danilo Krummrich Signed-off-by: Zhi Wang --- samples/rust/rust_driver_pci.rs | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/samples/rust/rust_driver_pci.rs b/samples/rust/rust_driver_pci= .rs index 74b93ca7c338..8f549b2100bc 100644 --- a/samples/rust/rust_driver_pci.rs +++ b/samples/rust/rust_driver_pci.rs @@ -67,6 +67,32 @@ fn testdev(index: &TestIndex, bar: &Bar0) -> Result= { =20 Ok(bar.read32(Regs::COUNT)) } + + fn config_space(pdev: &pci::Device) -> Result { + let config =3D pdev.config_space()?; + + // TODO: use the register!() macro for defining PCI configuration = space registers once it + // has been move out of nova-core. + dev_info!( + pdev.as_ref(), + "pci-testdev config space read8 rev ID: {:x}\n", + config.read8(0x8) + ); + + dev_info!( + pdev.as_ref(), + "pci-testdev config space read16 vendor ID: {:x}\n", + config.read16(0) + ); + + dev_info!( + pdev.as_ref(), + "pci-testdev config space read32 BAR 0: {:x}\n", + config.read32(0x10) + ); + + Ok(()) + } } =20 impl pci::Driver for SampleDriver { @@ -98,6 +124,7 @@ fn probe(pdev: &pci::Device, info: &Self::IdInfo) = -> impl PinInit