1 files changed, 101 insertions, 0 deletions
diff --git a/src/spdk/include/spdk_internal/log.h b/src/spdk/include/spdk_internal/log.h
new file mode 100644
index 00000000..c91116bb
--- /dev/null
+++ b/src/spdk/include/spdk_internal/log.h
@@ -0,0 +1,101 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) Intel Corporation.
+ *   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 Intel Corporation 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.
+ */
+
+/**
+ * \file
+ * Logging interfaces
+ */
+
+#ifndef SPDK_INTERNAL_LOG_H
+#define SPDK_INTERNAL_LOG_H
+
+#include "spdk/log.h"
+#include "spdk/queue.h"
+
+extern enum spdk_log_level g_spdk_log_level;
+extern enum spdk_log_level g_spdk_log_print_level;
+extern enum spdk_log_level g_spdk_log_backtrace_level;
+
+struct spdk_trace_flag {
+	TAILQ_ENTRY(spdk_trace_flag) tailq;
+	const char *name;
+	bool enabled;
+};
+
+void spdk_log_register_trace_flag(const char *name, struct spdk_trace_flag *flag);
+
+struct spdk_trace_flag *spdk_log_get_first_trace_flag(void);
+struct spdk_trace_flag *spdk_log_get_next_trace_flag(struct spdk_trace_flag *flag);
+
+#define SPDK_LOG_REGISTER_COMPONENT(str, flag) \
+struct spdk_trace_flag flag = { \
+	.enabled = false, \
+	.name = str, \
+}; \
+__attribute__((constructor)) static void register_trace_flag_##flag(void) \
+{ \
+	spdk_log_register_trace_flag(str, &flag); \
+}
+
+#define SPDK_INFOLOG(FLAG, ...)									\
+	do {											\
+		extern struct spdk_trace_flag FLAG;						\
+		if (FLAG.enabled) {								\
+			spdk_log(SPDK_LOG_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__);	\
+		}										\
+	} while (0)
+
+#ifdef DEBUG
+
+#define SPDK_DEBUGLOG(FLAG, ...)								\
+	do {											\
+		extern struct spdk_trace_flag FLAG;						\
+		if (FLAG.enabled) {								\
+			spdk_log(SPDK_LOG_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__);	\
+		}										\
+	} while (0)
+
+#define SPDK_TRACEDUMP(FLAG, LABEL, BUF, LEN)						\
+	do {										\
+		extern struct spdk_trace_flag FLAG;					\
+		if ((FLAG.enabled) && (LEN)) {						\
+			spdk_trace_dump(stderr, (LABEL), (BUF), (LEN));			\
+		}									\
+	} while (0)
+
+#else
+#define SPDK_DEBUGLOG(...) do { } while (0)
+#define SPDK_TRACEDUMP(...) do { } while (0)
+#endif
+
+#endif /* SPDK_INTERNAL_LOG_H */