[RFC PATCH v3 1/4] libfcoe: Add fcoe_sysfs debug logging level

[Robert Love <robert.w.love@intel.com>]

Add a macro to print fcoe_sysfs debug statements.

Signed-off-by: Robert Love <robert.w.love@intel.com>
---
 drivers/scsi/fcoe/fcoe_sysfs.c |    7 +++++++
 drivers/scsi/fcoe/libfcoe.h    |   11 ++++++++---
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c
index 5e75168..8b7b9d7 100644
--- a/drivers/scsi/fcoe/fcoe_sysfs.c
+++ b/drivers/scsi/fcoe/fcoe_sysfs.c
@@ -24,6 +24,13 @@
 
 #include <scsi/fcoe_sysfs.h>
 
+/*
+ * OK to include local libfcoe.h for debug_logging, but cannot include
+ * <scsi/libfcoe.h> otherwise non-netdev based fcoe solutions would have
+ * have to include more than fcoe_sysfs.h.
+ */
+#include "libfcoe.h"
+
 static atomic_t ctlr_num;
 static atomic_t fcf_num;
 
diff --git a/drivers/scsi/fcoe/libfcoe.h b/drivers/scsi/fcoe/libfcoe.h
index 6af5fc3..63d8fae 100644
--- a/drivers/scsi/fcoe/libfcoe.h
+++ b/drivers/scsi/fcoe/libfcoe.h
@@ -2,9 +2,10 @@
 #define _FCOE_LIBFCOE_H_
 
 extern unsigned int libfcoe_debug_logging;
-#define LIBFCOE_LOGGING	    0x01 /* General logging, not categorized */
-#define LIBFCOE_FIP_LOGGING 0x02 /* FIP logging */
-#define LIBFCOE_TRANSPORT_LOGGING	0x04 /* FCoE transport logging */
+#define LIBFCOE_LOGGING	          0x01 /* General logging, not categorized */
+#define LIBFCOE_FIP_LOGGING       0x02 /* FIP logging */
+#define LIBFCOE_TRANSPORT_LOGGING 0x04 /* FCoE transport logging */
+#define LIBFCOE_SYSFS_LOGGING     0x08 /* fcoe_sysfs logging */
 
 #define LIBFCOE_CHECK_LOGGING(LEVEL, CMD)		\
 do {							\
@@ -28,4 +29,8 @@ do {							\
 			      printk(KERN_INFO "%s: " fmt,		\
 				     __func__, ##args);)
 
+#define LIBFCOE_SYSFS_DBG(cdev, fmt, args...)				\
+	LIBFCOE_CHECK_LOGGING(LIBFCOE_SYSFS_LOGGING,			\
+			      pr_info("ctlr_%d: " fmt, cdev->id, ##args);)
+
 #endif /* _FCOE_LIBFCOE_H_ */