event/dlb2: add dynamic logging

This commit adds base support for dynamic logging.
The default log level is NOTICE. Dynamic logging
is used exclusively throughout this patchset.

Signed-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com>
Reviewed-by: Gage Eads <gage.eads@intel.com>

drivers/event/dlb2/dlb2.c

@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#include <rte_log.h>
+
+RTE_LOG_REGISTER(eventdev_dlb2_log_level, pmd.event.dlb2, NOTICE);

drivers/event/dlb2/dlb2_log.h

@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
+ */
+
+#ifndef _DLB2_EVDEV_LOG_H_
+#define _DLB2_EVDEV_LOG_H_
+
+extern int eventdev_dlb2_log_level;
+
+/* Dynamic logging */
+#define DLB2_LOG_IMPL(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, eventdev_dlb2_log_level, "%s" fmt "\n", \
+		__func__, ##args)
+
+#define DLB2_LOG_INFO(fmt, args...) \
+	DLB2_LOG_IMPL(INFO, fmt, ## args)
+
+#define DLB2_LOG_ERR(fmt, args...) \
+	DLB2_LOG_IMPL(ERR, fmt, ## args)
+
+/* remove debug logs at compile time unless actually debugging */
+#define DLB2_LOG_DBG(fmt, args...) \
+	RTE_LOG_DP(DEBUG, PMD, fmt, ## args)
+
+#endif /* _DLB2_EVDEV_LOG_H_ */

drivers/event/dlb2/meson.build

@@ -7,8 +7,7 @@ if not is_linux or not dpdk_conf.has('RTE_ARCH_X86_64')
         subdir_done()
 endif
 
-sources = files(
-)
+sources = files('dlb2.c')
 
 headers = files()