From: Zhi Wang <zhiw@nvidia.com>
To: <rust-for-linux@vger.kernel.org>
Cc: <dakr@kernel.org>, <bhelgaas@google.com>,
<kwilczynski@kernel.org>, <ojeda@kernel.org>,
<alex.gaynor@gmail.com>, <boqun.feng@gmail.com>,
<gary@garyguo.net>, <bjorn3_gh@protonmail.com>,
<lossin@kernel.org>, <a.hindborg@kernel.org>,
<aliceryhl@google.com>, <tmgross@umich.edu>,
<linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<cjia@nvidia.com>, <smitra@nvidia.com>, <ankita@nvidia.com>,
<aniketa@nvidia.com>, <kwankhede@nvidia.com>,
<targupta@nvidia.com>, <zhiw@nvidia.com>, <zhiwang@kernel.org>
Subject: [RFC 6/6] [!UPSTREAM] nova-core: test configuration routine.
Date: Fri, 10 Oct 2025 08:03:30 +0000 [thread overview]
Message-ID: <20251010080330.183559-7-zhiw@nvidia.com> (raw)
In-Reply-To: <20251010080330.183559-1-zhiw@nvidia.com>
Signed-off-by: Zhi Wang <zhiw@nvidia.com>
---
drivers/gpu/nova-core/driver.rs | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/nova-core/driver.rs b/drivers/gpu/nova-core/driver.rs
index 1380b47617f7..605d9146113c 100644
--- a/drivers/gpu/nova-core/driver.rs
+++ b/drivers/gpu/nova-core/driver.rs
@@ -44,6 +44,10 @@ fn probe(pdev: &pci::Device<Core>, _info: &Self::IdInfo) -> Result<Pin<KBox<Self
let bar_clone = Arc::clone(&devres_bar);
let bar = bar_clone.access(pdev.as_ref())?;
+ let config = pci::ConfigSpace::<{bindings::PCI_CFG_SPACE_EXP_SIZE as usize}>::new(pdev)?;
+
+ dev_info!(pdev.as_ref(), "Nova Core GPU driver read pci {:x}.\n", config.read16(0));
+
let this = KBox::pin_init(
try_pin_init!(Self {
gpu <- Gpu::new(pdev, devres_bar, bar),
--
2.47.3
next prev parent reply other threads:[~2025-10-10 8:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-10 8:03 [RFC 0/6] rust: pci: add config space read/write support Zhi Wang
2025-10-10 8:03 ` [RFC 1/6] rust: io: refactor Io<SIZE> helpers into IoRegion trait Zhi Wang
2025-10-10 8:03 ` [RFC 2/6] rust: io: factor out MMIO read/write macros Zhi Wang
2025-10-10 8:03 ` [RFC 3/6] rust: pci: add a helper to query configuration space size Zhi Wang
2025-10-10 8:03 ` [RFC 4/6] rust: pci: add config space read/write support Zhi Wang
2025-10-10 8:03 ` [RFC 5/6] rust: pci: add helper to find extended capability Zhi Wang
2025-10-10 8:03 ` Zhi Wang [this message]
2025-10-13 15:39 ` [RFC 0/6] rust: pci: add config space read/write support Danilo Krummrich
2025-10-13 18:25 ` Zhi Wang
2025-10-13 20:02 ` Danilo Krummrich
2025-10-15 10:44 ` Zhi Wang
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