On Thu, Dec 19, 2024 at 06:04:02PM +0100, Danilo Krummrich wrote: > This patch series implements the necessary Rust abstractions to implement > device drivers in Rust. > > This includes some basic generalizations for driver registration, handling of ID > tables, MMIO operations and device resource handling. > > Those generalizations are used to implement device driver support for two > busses, the PCI and platform bus (with OF IDs) in order to provide some evidence > that the generalizations work as intended. > > The patch series also includes two patches adding two driver samples, one PCI > driver and one platform driver. > > The PCI bits are motivated by the Nova driver project [1], but are used by at > least one more OOT driver (rnvme [2]). > > The platform bits, besides adding some more evidence to the base abstractions, > are required by a few more OOT drivers aiming at going upstream, i.e. rvkms [3], > cpufreq-dt [4], asahi [5] and the i2c work from Fabien [6]. > > The patches of this series can also be [7], [8] and [9]. > > Changes in v7: > ============== > - Revocable: > - replace `compare_exchange` with `swap` > > - Driver: > - fix warning when CONFIG_OF=n > > - I/O: > - remove unnecessary return statement in rust_helper_iounmap() > - fix cast in doctest for `bindings::ioremap` > > - Devres: > - fix cast in doctest for `bindings::ioremap` > > - PCI: > - remove `Deref` of `pci::DeviceId` > - rename `DeviceId` constructors > - `new` -> `from_id` > - `with_class -> `from_class` > > - MISC: > - use `kernel::ffi::c_*` instead of `core::ffi::c_*` > - rebase onto latest rust-next (0c5928deada15a8d075516e6e0d9ee19011bb000) Thanks for this last round of changes, looks great to me! I've added them all to my driver-core-testing branch, and if 0-day doesn't complain, will move it to driver-core-next for merging into 6.14-rc1. Thanks for persisting with this, looks great. Now the real work starts :) thanks, greg k-h
