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+

+//! Kernel-Mode Types.
+
+use ::KIRQL;
+
+
+// Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help enable
+// more optimization opportunities around it recognizing things like
+// malloc/free.
+#[repr(u8)]
+#[doc(hidden)]
+pub enum km_void {
+    // Two dummy variants so the #[repr] attribute can be used.
+    #[doc(hidden)]
+    __variant1,
+    #[doc(hidden)]
+    __variant2,
+}
+
+pub type VOID = km_void;
+pub type PVOID = *mut VOID;
+pub type PCVOID = *const VOID;
+
+
+pub type PETHREAD = PVOID;
+pub type PIO_APC_ROUTINE = Option<extern "system" fn (ApcContext: PCVOID, IoStatusBlock: *const IO_STATUS_BLOCK, Reserved: u32)>;
+
+
+extern "system"
+{
+	pub fn KeGetCurrentIrql() -> KIRQL;
+	pub fn KeRaiseIrqlToDpcLevel() -> KIRQL;
+	pub fn KfLowerIrql(NewIrql: KIRQL) -> KIRQL;
+	pub fn KfRaiseIrql(NewIrql: KIRQL) -> KIRQL;
+}
+
+
+/// Doubly linked list structure.
+#[repr(C)]
+pub struct LIST_ENTRY
+{
+	pub next: *mut LIST_ENTRY,
+	pub prev: *mut LIST_ENTRY,
+}
+
+/// Spin Lock.
+#[repr(C)]
+pub struct KSPIN_LOCK
+{
+	pub lock: usize,
+}
+
+/// Common dispatcher object header.
+#[repr(C)]
+pub struct DISPATCHER_HEADER
+{
+	pub Type: u8,
+	pub Absolute: u8,
+	pub Size: u8,
+	pub Inserted: u8,
+	pub SignalState: i32,
+	pub WaitListHead: LIST_ENTRY,
+}
+
+/// An I/O status block.
+#[repr(C)]
+pub struct IO_STATUS_BLOCK
+{
+	pub Status: ::NTSTATUS,
+	pub Information: usize,
+}
+
+pub type PIO_STATUS_BLOCK = *mut IO_STATUS_BLOCK;
+
+
+/// Processor modes.
+#[repr(C)]
+pub enum KPROCESSOR_MODE
+{
+	KernelMode,
+	UserMode,
+}
+
+/// I/O Request priority.
+pub mod IO_PRIORITY {
+	/// I/O Request priority type.
+	pub type KPRIORITY_BOOST = u8;
+
+	pub const IO_NO_INCREMENT: KPRIORITY_BOOST = 0;
+	pub const IO_DISK_INCREMENT: KPRIORITY_BOOST = 1;
+	pub const EVENT_INCREMENT: KPRIORITY_BOOST = 1;
+}
+

+