Commit f2a399d7 authored by Danilo Krummrich's avatar Danilo Krummrich
Browse files

rust: pci: move iomap_region() to impl Device<Bound> 



Require the Bound device context to be able to call iomap_region() and
iomap_region_sized(). Creating I/O mapping requires the device to be
bound.

Reviewed-by: default avatarBenno Lossin <benno.lossin@proton.me>
Link: https://lore.kernel.org/r/20250413173758.12068-8-dakr@kernel.org


Signed-off-by: default avatarDanilo Krummrich <dakr@kernel.org>
parent f933b748

rust/kernel/pci.rs

+2 −0
Original line number Diff line number Diff line
@@ -390,7 +390,9 @@ pub fn resource_len(&self, bar: u32) -> Result<bindings::resource_size_t> { 
        // - by its type invariant `self.as_raw` is always a valid pointer to a `struct pci_dev`.

        Ok(unsafe { bindings::pci_resource_len(self.as_raw(), bar.try_into()?) })

    }

}



impl Device<device::Bound> {

    /// Mapps an entire PCI-BAR after performing a region-request on it. I/O operation bound checks

    /// can be performed on compile time for offsets (plus the requested type size) < SIZE.

    pub fn iomap_region_sized<const SIZE: usize>(