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rust: pci: add basic PCI device / driver abstractions
authorDanilo Krummrich <dakr@kernel.org>
Thu, 19 Dec 2024 17:04:11 +0000 (18:04 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 20 Dec 2024 16:19:26 +0000 (17:19 +0100)
commit1bd8b6b2c5d38d9881d59928b986eacba40f9da8
treeafb38d2b839dcc9cb630f5fa813788a35755f0b9
parent76c01ded724bfb464878e22c89f7ecce26f5d50e
rust: pci: add basic PCI device / driver abstractions

Implement the basic PCI abstractions required to write a basic PCI
driver. This includes the following data structures:

The `pci::Driver` trait represents the interface to the driver and
provides `pci::Driver::probe` for the driver to implement.

The `pci::Device` abstraction represents a `struct pci_dev` and provides
abstractions for common functions, such as `pci::Device::set_master`.

In order to provide the PCI specific parts to a generic
`driver::Registration` the `driver::RegistrationOps` trait is implemented
by `pci::Adapter`.

`pci::DeviceId` implements PCI device IDs based on the generic
`device_id::RawDevceId` abstraction.

Co-developed-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Tested-by: Dirk Behme <dirk.behme@de.bosch.com>
Link: https://lore.kernel.org/r/20241219170425.12036-10-dakr@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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rust/bindings/bindings_helper.h
rust/helpers/helpers.c
rust/helpers/pci.c [new file with mode: 0644]
rust/kernel/lib.rs
rust/kernel/pci.rs [new file with mode: 0644]