1 files changed, 51 insertions, 0 deletions
diff --git a/tools/blktap2/drivers/tapdisk-log.h b/tools/blktap2/drivers/tapdisk-log.h
new file mode 100644
index 0000000000..ae2a408dd4
--- /dev/null
+++ b/tools/blktap2/drivers/tapdisk-log.h
@@ -0,0 +1,51 @@
+/* 
+ * Copyright (c) 2008, XenSource Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of XenSource Inc. nor the names of its contributors
+ *       may be used to endorse or promote products derived from this software
+ *       without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#ifndef _TAPDISK_LOG_H_
+#define _TAPDISK_LOG_H_
+
+#define TLOG_WARN       0
+#define TLOG_INFO       1
+#define TLOG_DBG        2
+
+void open_tlog(char *file, size_t bytes, int level, int append);
+void close_tlog(void);
+void tlog_flush(void);
+void tlog_print_errors(void);
+
+void __tlog_write(int level, const char *func, const char *fmt, ...)
+  __attribute__((format(printf, 3, 4)));
+void __tlog_error(int err, const char *func, const char *fmt, ...)
+  __attribute__((format(printf, 3, 4)));
+
+#define tlog_write(_level, _f, _a...)			\
+	__tlog_write(_level, __func__, _f, ##_a)
+
+#define tlog_error(_err, _f, _a...)			\
+	__tlog_error(_err, __func__, _f, ##_a)
+
+#endif