linux-kernel - [RFC PATCH 2/2] samples: rust: pci: exercise config space accessors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20260130171026.1138617-3-zijing.zhang@ry.rs>
Date: Fri, 30 Jan 2026 17:10:26 +0000
From: Zijing Zhang <zijing.zhang@...rs>
To: dakr@...nel.org,
	ojeda@...nel.org
Cc: bhelgaas@...gle.com,
	kwilczynski@...nel.org,
	boqun.feng@...il.com,
	gary@...yguo.net,
	bjorn3_gh@...tonmail.com,
	lossin@...nel.org,
	a.hindborg@...nel.org,
	aliceryhl@...gle.com,
	tmgross@...ch.edu,
	linux-pci@...r.kernel.org,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	lianux.mm@...il.com,
	zijing.kernel@...il.com
Subject: [RFC PATCH 2/2] samples: rust: pci: exercise config space accessors

Use the new PCI config space accessors from the Rust PCI sample driver.

Signed-off-by: Zijing Zhang <zijing.zhang@...rs>
---
 samples/rust/rust_driver_pci.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/samples/rust/rust_driver_pci.rs b/samples/rust/rust_driver_pci.rs
index fa677991a5c4..1089352626fc 100644
--- a/samples/rust/rust_driver_pci.rs
+++ b/samples/rust/rust_driver_pci.rs
@@ -68,11 +68,15 @@ impl pci::Driver for SampleDriver {
     fn probe(pdev: &pci::Device<Core>, info: &Self::IdInfo) -> impl PinInit<Self, Error> {
         pin_init::pin_init_scope(move || {
             let vendor = pdev.vendor_id();
+            let vendor_cfg = pdev.read_config_u16(0x00)?;
+            let device_cfg = pdev.read_config_u16(0x02)?;
             dev_dbg!(
                 pdev.as_ref(),
-                "Probe Rust PCI driver sample (PCI ID: {}, 0x{:x}).\n",
+                "Probe Rust PCI driver sample (PCI ID: {}, 0x{:x}; cfg: 0x{:04x}:0x{:04x}).\n",
                 vendor,
-                pdev.device_id()
+                pdev.device_id(),
+                vendor_cfg,
+                device_cfg,
             );
 
             pdev.enable_device_mem()?;
-- 
2.52.0