1 files changed, 51 insertions, 0 deletions
diff --git a/src/nvme/log.h b/src/nvme/log.h
new file mode 100644
index 0000000..7c345f6
--- /dev/null
+++ b/src/nvme/log.h
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ * Copyright (c) 2021 Martin Wilck, SUSE LLC
+ */
+#ifndef _LOG_H
+#define _LOG_H
+
+#include <stdbool.h>
+#include <syslog.h>
+
+/* for nvme_root_t */
+#include "tree.h"
+
+#ifndef MAX_LOGLEVEL
+#  define MAX_LOGLEVEL LOG_DEBUG
+#endif
+#ifndef DEFAULT_LOGLEVEL
+#  define DEFAULT_LOGLEVEL LOG_NOTICE
+#endif
+
+/**
+ * DOC: log.h
+ *
+ * logging functions
+ */
+
+/**
+ * nvme_init_logging() - Initialize logging
+ * @r:		nvme_root_t context
+ * @lvl:	Logging level to set
+ * @log_pid:	Boolean to enable logging of the PID
+ * @log_tstamp:	Boolean to enable logging of the timestamp
+ *
+ * Sets the default logging variables for the library.
+ */
+void nvme_init_logging(nvme_root_t r, int lvl, bool log_pid, bool log_tstamp);
+
+/**
+ * nvme_set_root() - Set nvme_root_t context
+ * @r:		nvme_root_t context
+ *
+ * In order to be able to log from code paths where no root object is passed in
+ * via the arguments use the the default one which can be set via this call.
+ * When creating a new root object with @nvme_create_root the global root object
+ * will be set as well. This means the global root object is always pointing to
+ * the latest created root object. Note the first @nvme_free_tree call will reset
+ * the global root object.
+ */
+void nvme_set_root(nvme_root_t r);
+
+#endif /* _LOG_H */