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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 { Ok(bar.read32(Regs::COUNT)) } + + fn config_space(pdev: &pci::Device) -> Result { + let config = 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(()) + } } impl pci::Driver for SampleDriver { @@ -98,6 +124,7 @@ fn probe(pdev: &pci::Device, info: &Self::IdInfo) -> impl PinInit