scsi: fc: Update documentation of sysfs nodes for FPIN stats
Update documentation for sysfs nodes within:
/sys/class/fc_host
/sys/class/fc_remote_ports
Link: https://lore.kernel.org/r/20201021092715.22669-6-njavali@marvell.com
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/Documentation/ABI/testing/sysfs-class-fc_host b/Documentation/ABI/testing/sysfs-class-fc_host
new file mode 100644
index 0000000..0a696cb
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-fc_host
@@ -0,0 +1,23 @@
+What: /sys/class/fc_host/hostX/statistics/fpin_cn_yyy
+Date: July 2020
+Contact: Shyam Sundar <ssundar@marvell.com>
+Description:
+ These files contain the number of congestion notification
+ events recorded by the F_Port, reported using fabric
+ performance impact notification (FPIN) event.
+
+What: /sys/class/fc_host/hostX/statistics/fpin_li_yyy
+Date: July 2020
+Contact: Shyam Sundar <ssundar@marvell.com>
+Description:
+ These files contain the number of link integrity error
+ events recorded by the F_Port/Nx_Port, reported using fabric
+ performance impact notification (FPIN) event.
+
+What: /sys/class/fc_host/hostX/statistics/fpin_dn_yyy
+Date: July 2020
+Contact: Shyam Sundar <ssundar@marvell.com>
+Description:
+ These files contain the number of delivery related errors
+ recorded by the F_Port/Nx_Port, reported using fabric
+ performance impact notification (FPIN) event.
