srp_transport: Document sysfs attributes

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Acked-by: David Dillow <dillowda@ornl.gov>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/Documentation/ABI/stable/sysfs-transport-srp b/Documentation/ABI/stable/sysfs-transport-srp
new file mode 100644 (file)
index 0000000..7b0d4a5
--- /dev/null
+++ b/Documentation/ABI/stable/sysfs-transport-srp
@@ -0,0 +1,12 @@
+What:          /sys/class/srp_remote_ports/port-<h>:<n>/port_id
+Date:          June 27, 2007
+KernelVersion: 2.6.24
+Contact:       linux-scsi@vger.kernel.org
+Description:   16-byte local SRP port identifier in hexadecimal format. An
+               example: 4c:49:4e:55:58:20:56:49:4f:00:00:00:00:00:00:00.
+
+What:          /sys/class/srp_remote_ports/port-<h>:<n>/roles
+Date:          June 27, 2007
+KernelVersion: 2.6.24
+Contact:       linux-scsi@vger.kernel.org
+Description:   Role of the remote port. Either "SRP Initiator" or "SRP Target".