This is the next version of the shmem backed GEM objects series originally from Asahi, previously posted by Daniel Almeida.
One of the major changes in this patch series is a much better interface around vmaps, which we achieve by introducing a new set of rust bindings for iosys_map. The previous version of the patch series can be found here: https://patchwork.freedesktop.org/series/156093/ This patch series may be applied on top of the driver-core/driver-core-testing branch: https://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core.git/log/?h=driver-core-testing Changelogs are per-patch Asahi Lina (2): rust: helpers: Add bindings/wrappers for dma_resv_lock rust: drm: gem: shmem: Add DRM shmem helper abstraction Lyude Paul (5): rust: drm: gem: Add raw_dma_resv() function rust: gem: Introduce DriverObject::Args rust: drm: gem: Introduce shmem::SGTable rust: Introduce iosys_map bindings rust: drm/gem: Add vmap functions to shmem bindings drivers/gpu/drm/nova/gem.rs | 5 +- drivers/gpu/drm/tyr/gem.rs | 3 +- rust/bindings/bindings_helper.h | 3 + rust/helpers/dma-resv.c | 13 + rust/helpers/drm.c | 56 +++- rust/helpers/helpers.c | 2 + rust/helpers/iosys_map.c | 34 +++ rust/kernel/drm/gem/mod.rs | 28 +- rust/kernel/drm/gem/shmem.rs | 467 ++++++++++++++++++++++++++++++++ rust/kernel/iosys_map.rs | 210 ++++++++++++++ rust/kernel/lib.rs | 1 + 11 files changed, 815 insertions(+), 7 deletions(-) create mode 100644 rust/helpers/dma-resv.c create mode 100644 rust/helpers/iosys_map.c create mode 100644 rust/kernel/drm/gem/shmem.rs create mode 100644 rust/kernel/iosys_map.rs base-commit: 21bab791346e5b7902a04709231c0642ff6d69bc prerequisite-patch-id: c631986f96e2073263e97e82a65b96fc5ada6924 prerequisite-patch-id: ae853e8eb8d58c77881371960be4ae92755e83c6 prerequisite-patch-id: 0ab78b50648c7d8f66b83c32ed2af0ec3ede42a3 prerequisite-patch-id: 8d20a8db8cf4660c682ee91f3db04e640c144e33 prerequisite-patch-id: 299de9cd2789c19c22e2816f7c817d80d5a4f1db prerequisite-patch-id: 661ee334905f359daa8fb8d808ed5f4a8085f5c9 prerequisite-patch-id: 05aef545e564948160354e498a3d3c5fd5bbfacb -- 2.53.0
