Rust XHCI Implementation.

rust/sys/voyageurs/src/xhci/data_structures/trb_ring.rs

@@ -1,113 +0,0 @@
-use core::{
-    ops::{Index, IndexMut},
-    slice::SliceIndex,
-};
-
-use bitfield_struct::{bitenum, bitfield};
-use mammoth::physical_box::PhysicalBox;
-
-#[bitenum]
-#[repr(u8)]
-#[derive(Debug)]
-pub enum TrbType {
-    #[fallback]
-    Reserved = 0,
-    NoOp = 8,
-}
-
-#[bitfield(u128)]
-pub struct TransferRequestBlock {
-    parameter: u64,
-    status: u32,
-    cycle: bool,
-    evaluate_next: bool,
-    flag_2: bool,
-    flag_3: bool,
-    flag_4: bool,
-    flag_5: bool,
-    flag_6: bool,
-    flag_7: bool,
-    flag_8: bool,
-    flag_9: bool,
-    #[bits(6)]
-    trb_type: u8,
-    control: u16,
-}
-
-impl TransferRequestBlock {}
-
-trait TypedTrb {
-    fn from_trb(trb: TransferRequestBlock) -> Self
-    where
-        Self: From<u128>,
-    {
-        trb.into_bits().into()
-    }
-
-    fn to_trb(self) -> TransferRequestBlock
-    where
-        Self: Into<u128>,
-    {
-        Into::<u128>::into(self).into()
-    }
-}
-
-#[bitfield(u128)]
-pub struct TrbNoOp {
-    __: u64,
-    __: u32,
-    cycle: bool,
-    evaluate_next: bool,
-    __: bool,
-    __: bool,
-    chain: bool,
-    #[bits(default = true)]
-    interrupt_on_completion: bool,
-    #[bits(4)]
-    __: u8,
-    #[bits(6, default = TrbType::NoOp)]
-    trb_type: TrbType,
-    __: u16,
-}
-
-impl TypedTrb for TrbNoOp {}
-
-#[repr(transparent)]
-pub struct TrbRing(PhysicalBox<[TransferRequestBlock]>);
-
-impl TrbRing {
-    pub fn new(size: usize) -> Self {
-        Self(PhysicalBox::default_with_count(
-            TransferRequestBlock::default(),
-            size,
-        ))
-    }
-
-    pub fn len(&self) -> usize {
-        self.0.len()
-    }
-
-    pub fn physical_address(&self) -> usize {
-        self.0.physical_address()
-    }
-}
-
-impl<I> Index<I> for TrbRing
-where
-    I: SliceIndex<[TransferRequestBlock]>,
-{
-    type Output = I::Output;
-
-    fn index(&self, index: I) -> &Self::Output {
-        &self.0[index]
-    }
-}
-
-impl<I> IndexMut<I> for TrbRing
-where
-    I: SliceIndex<[TransferRequestBlock]>,
-{
-    fn index_mut(&mut self, index: I) -> &mut Self::Output {
-        &mut self.0[index]
-    }
-}