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path: root/drivers/gpu/drm/nova/uapi.rs
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Diffstat (limited to 'drivers/gpu/drm/nova/uapi.rs')
-rw-r--r--drivers/gpu/drm/nova/uapi.rs61
1 files changed, 0 insertions, 61 deletions
diff --git a/drivers/gpu/drm/nova/uapi.rs b/drivers/gpu/drm/nova/uapi.rs
deleted file mode 100644
index eb228a58d423..000000000000
--- a/drivers/gpu/drm/nova/uapi.rs
+++ /dev/null
@@ -1,61 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-use kernel::uapi;
-
-// TODO Work out some common infrastructure to avoid boilerplate code for uAPI abstractions.
-
-macro_rules! define_uapi_abstraction {
- ($name:ident <= $inner:ty) => {
- #[repr(transparent)]
- pub struct $name(::kernel::types::Opaque<$inner>);
-
- impl ::core::convert::From<&::kernel::types::Opaque<$inner>> for &$name {
- fn from(value: &::kernel::types::Opaque<$inner>) -> Self {
- // SAFETY: `Self` is a transparent wrapper of `$inner`.
- unsafe { ::core::mem::transmute(value) }
- }
- }
- };
-}
-
-define_uapi_abstraction!(Getparam <= uapi::drm_nova_getparam);
-
-impl Getparam {
- pub fn param(&self) -> u64 {
- // SAFETY: `self.get()` is a valid pointer to a `struct drm_nova_getparam`.
- unsafe { (*self.0.get()).param }
- }
-
- pub fn set_value(&self, v: u64) {
- // SAFETY: `self.get()` is a valid pointer to a `struct drm_nova_getparam`.
- unsafe { (*self.0.get()).value = v };
- }
-}
-
-define_uapi_abstraction!(GemCreate <= uapi::drm_nova_gem_create);
-
-impl GemCreate {
- pub fn size(&self) -> u64 {
- // SAFETY: `self.get()` is a valid pointer to a `struct drm_nova_gem_create`.
- unsafe { (*self.0.get()).size }
- }
-
- pub fn set_handle(&self, handle: u32) {
- // SAFETY: `self.get()` is a valid pointer to a `struct drm_nova_gem_create`.
- unsafe { (*self.0.get()).handle = handle };
- }
-}
-
-define_uapi_abstraction!(GemInfo <= uapi::drm_nova_gem_info);
-
-impl GemInfo {
- pub fn handle(&self) -> u32 {
- // SAFETY: `self.get()` is a valid pointer to a `struct drm_nova_gem_info`.
- unsafe { (*self.0.get()).handle }
- }
-
- pub fn set_size(&self, size: u64) {
- // SAFETY: `self.get()` is a valid pointer to a `struct drm_nova_gem_info`.
- unsafe { (*self.0.get()).size = size };
- }
-}