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Timur Tabi
0168185139
Implement the BinaryWriter trait for Coherent<[u8]>, enabling DMA coherent allocations to be exposed as readable binary files. The implementation handles offset tracking and bounds checking, copying data from the coherent allocation to userspace via write_dma(). Signed-off-by: Timur Tabi <ttabi@nvidia.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Tested-by: John Hubbard <jhubbard@nvidia.com> Tested-by: Eliot Courtney <ecourtney@nvidia.com> Link: https://patch.msgid.link/20260319212658.2541610-4-ttabi@nvidia.com [ Rebase onto Coherent<T> changes. - Danilo ] Signed-off-by: Danilo Krummrich <dakr@kernel.org>