ACPI tables translator

Exposes x86 ACPI tables as a netfs on a mount point

* acpi: New directory.
* Makefile (prog-subdirs): Add acpi.
* hurd/hurd_types.h (FSTYPE_ACPI): New macro.

1 files changed, 43 insertions, 0 deletions

diff --git a/acpi/netfs_impl.h b/acpi/netfs_impl.h
new file mode 100644
index 00000000..71717579
--- /dev/null
+++ b/acpi/netfs_impl.h
@@ -0,0 +1,43 @@
+/*
+   Copyright (C) 2018 Free Software Foundation, Inc.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with the GNU Hurd.  If not, see <<a rel="nofollow" href="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</a>>.
+*/
+
+/* Data types required to create a directory tree using libnetfs */
+
+#ifndef NETFS_IMPL_H
+#define NETFS_IMPL_H
+
+#include <hurd/netfs.h>
+
+#include <acpifs.h>
+
+/*
+ * A netnode has a 1:1 relation with a generic libnetfs node. Hence, it's only
+ * purpose is to extend a generic node to add the new attributes our problem
+ * requires.
+ */
+struct netnode
+{
+  /* Light node */
+  struct acpifs_dirent *ln;
+
+  /* Position in the node cache.  */
+  struct node *ncache_next, *ncache_prev;
+};
+
+#endif /* NETFS_IMPL_H */