* Added lonal (loopback NAL)

[fs/lustre-release.git] / lustre / portals / knals / lonal / lonal.h

diff --git a/lustre/portals/knals/lonal/lonal.h b/lustre/portals/knals/lonal/lonal.h
new file mode 100644 (file)
index 0000000..f1675a7
--- /dev/null
+++ b/lustre/portals/knals/lonal/lonal.h
@@ -0,0 +1,77 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ *  Copyright (C) 2001 Cluster File Systems, Inc. <braam@clusterfs.com>
+ *
+ *   This file is part of Lustre, http://www.lustre.org.
+ *
+ *   Lustre is free software; you can redistribute it and/or
+ *   modify it under the terms of version 2 of the GNU General Public
+ *   License as published by the Free Software Foundation.
+ *
+ *   Lustre 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 Lustre; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Basic library routines. 
+ *
+ */
+
+#ifndef _LONAL_H
+#define _LONAL_H
+#ifndef EXPORT_SYMTAB
+# define EXPORT_SYMTAB
+#endif
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/stat.h>
+#include <linux/errno.h>
+#include <linux/uio.h>
+
+#define DEBUG_SUBSYSTEM S_LONAL
+
+#include <linux/kp30.h>
+#include <portals/p30.h>
+#include <portals/lib-p30.h>
+#include <portals/nal.h>
+
+#define KLOD_IOV        153401
+#define KLOD_KIOV       153402
+
+typedef struct
+{
+        unsigned int     klod_type;
+        unsigned int     klod_niov;
+        size_t           klod_offset;
+        size_t           klod_nob;
+        union {
+                struct iovec  *iov;
+                ptl_kiov_t    *kiov;
+        }                klod_iov;
+                
+} klo_desc_t;
+
+typedef struct
+{
+        char               klo_init;            /* what's been initialised */
+}  klonal_data_t;
+
+/* kqn_init state */
+#define KLO_INIT_NOTHING        0               /* MUST BE ZERO so zeroed state is initialised OK */
+#define KLO_INIT_LIB            1
+#define KLO_INIT_ALL            2
+
+extern lib_nal_t           klonal_lib;
+extern nal_t               klonal_api;
+extern klonal_data_t       klonal_data;
+
+#endif /* _LONAL_H */