hypha: move libraries to libs/

libs/xen/xenevtchn/src/sys.rs

@@ -0,0 +1,43 @@
+use nix::{ioctl_none, ioctl_readwrite_bad, request_code_none};
+use std::ffi::c_uint;
+
+#[repr(C)]
+pub struct BindVirq {
+    pub virq: c_uint,
+}
+
+#[repr(C)]
+pub struct BindInterdomain {
+    pub remote_domain: c_uint,
+    pub remote_port: c_uint,
+}
+
+#[repr(C)]
+pub struct BindUnboundPort {
+    pub remote_domain: c_uint,
+}
+
+#[repr(C)]
+pub struct UnbindPort {
+    pub port: c_uint,
+}
+
+#[repr(C)]
+pub struct Notify {
+    pub port: c_uint,
+}
+
+ioctl_readwrite_bad!(bind_virq, request_code_none!(b'E', 0), BindVirq);
+ioctl_readwrite_bad!(
+    bind_interdomain,
+    request_code_none!(b'E', 1),
+    BindInterdomain
+);
+ioctl_readwrite_bad!(
+    bind_unbound_port,
+    request_code_none!(b'E', 2),
+    BindUnboundPort
+);
+ioctl_readwrite_bad!(unbind, request_code_none!(b'E', 3), UnbindPort);
+ioctl_readwrite_bad!(notify, request_code_none!(b'E', 4), Notify);
+ioctl_none!(reset, b'E', 5);