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Sat, 08 Nov 2025 08:55:27 -0800 (PST) Received: from localhost.localdomain ([119.127.199.141]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-ba901c3817csm8181254a12.30.2025.11.08.08.55.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Nov 2025 08:55:27 -0800 (PST) From: Guangbo Cui To: Miguel Ojeda , Alex Gaynor , Danilo Krummrich Cc: Boqun Feng , Gary Guo , =?UTF-8?q?Bj=C3=B6rn=20Roy=20Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Greg Kroah-Hartman , Bjorn Helgaas , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , rust-for-linux@vger.kernel.org, linux-pci@vger.kernel.org, Guangbo Cui Subject: [RFC PATCH v1 0/2] rust: pci: Introduce PCIe error handler support and sample usage Date: Sat, 8 Nov 2025 16:55:09 +0000 Message-ID: <20251108165511.98546-1-jckeep.cuiguangbo@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hi all, This RFC patchset introduces basic PCIe Advanced Error Reporting (AER) support for Rust PCI drivers and provides a simple example to demonstrate it's usage. The first patch adds the necessary infrastructure in the Rust PCI layer to support device-specific PCI error handlers, mirroring the existing C `struct pci_error_handlers` callbacks. The second patch updates the Rust PCI sample driver to implement a set of dummy error handlers. These callbacks simply print messages and return predefined results, serving as a guide for future Rust PCI driver authors who want to handle PCIe AER events safely. This series is an RFC for discussion and not intended for merging yet. Signed-off-by: Guangbo Cui --- Guangbo Cui (2): rust: pci: add PCIe bus error handler support sample: rust: pci: implement dummy error handlers to demonstrate usage rust/kernel/pci.rs | 11 ++ rust/kernel/pci/err.rs | 273 ++++++++++++++++++++++++++ samples/rust/rust_dma.rs | 1 + samples/rust/rust_driver_auxiliary.rs | 2 + samples/rust/rust_driver_pci.rs | 47 ++++- 5 files changed, 333 insertions(+), 1 deletion(-) create mode 100644 rust/kernel/pci/err.rs -- 2.43.0