XHCI baby steps!

kernel/device/xhci.h

@@ -0,0 +1,27 @@
+#ifndef _KERNEL_DEVICE_XHCI_H
+#define _KERNEL_DEVICE_XHCI_H
+
+#include <device/def_device_op.h>
+#include <libk/list.h>
+#include <libk/std.h>
+#include <proc/proc.h>
+#include <proc/reschedule.h>
+#include <proc/suspension_q.h>
+
+struct xhci_init {
+  uintptr_t xhci_mmio_base;
+};
+
+struct xhci {
+  struct device* device;
+  uintptr_t xhci_mmio_base;
+  uintptr_t xhci_oper_base;
+  uintptr_t xhci_runtime_base;
+  uintptr_t xhci_doorbell_base;
+};
+
+DEFINE_DEVICE_INIT (xhci_init);
+
+DEFINE_DEVICE_FINI (xhci_fini);
+
+#endif // _KERNEL_DEVICE_XHCI_H