diff options
Diffstat (limited to 'drivers/gpu/drm/nova/uapi.rs')
-rw-r--r-- | drivers/gpu/drm/nova/uapi.rs | 61 |
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 }; - } -} |