From 87eb023afe180e21b40e8aa84f1bba1c79475686 Mon Sep 17 00:00:00 2001
From: Ziye Yang <ziye.yang@intel.com>
Date: Tue, 6 Dec 2016 09:45:19 +0800
Subject: [PATCH] nvme/rdma: Add identification test for kernel nvmf target

Change-Id: Ibcfdf1a451f88e186ae328560c21480c81dc44b3
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
---
 autotest.sh                            |  1 +
 test/nvmf/host/identify_kernel_nvmf.sh | 71 ++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)
 create mode 100755 test/nvmf/host/identify_kernel_nvmf.sh

diff --git a/autotest.sh b/autotest.sh
index a705d835f..2b0abe220 100755
--- a/autotest.sh
+++ b/autotest.sh
@@ -125,6 +125,7 @@ timing_enter host
 
 run_test test/nvmf/host/identify.sh
 run_test test/nvmf/host/perf.sh
+run_test test/nvmf/host/identify_kernel_nvmf.sh
 
 timing_exit host
 
diff --git a/test/nvmf/host/identify_kernel_nvmf.sh b/test/nvmf/host/identify_kernel_nvmf.sh
new file mode 100755
index 000000000..12024047f
--- /dev/null
+++ b/test/nvmf/host/identify_kernel_nvmf.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+
+testdir=$(readlink -f $(dirname $0))
+rootdir=$(readlink -f $testdir/../../..)
+source $rootdir/scripts/autotest_common.sh
+source $rootdir/test/nvmf/common.sh
+
+set -e
+
+if ! rdma_nic_available; then
+	echo "no NIC for nvmf test"
+	exit 0
+fi
+
+timing_enter identify_kernel_nvmf_tgt
+
+subsystemname=nqn.2016-06.io.spdk:testnqn
+
+modprobe null_blk nr_devices=1
+modprobe nvmet
+modprobe nvmet-rdma
+
+if [ ! -d /sys/kernel/config/nvmet/subsystems/$subsystemname ]; then
+	mkdir /sys/kernel/config/nvmet/subsystems/$subsystemname
+fi
+echo 1 > /sys/kernel/config/nvmet/subsystems/$subsystemname/attr_allow_any_host
+
+if [ ! -d /sys/kernel/config/nvmet/subsystems/$subsystemname/namespaces/1 ]; then
+	mkdir /sys/kernel/config/nvmet/subsystems/$subsystemname/namespaces/1
+fi
+
+echo -n /dev/nullb0 > /sys/kernel/config/nvmet/subsystems/$subsystemname/namespaces/1/device_path
+echo 1 > /sys/kernel/config/nvmet/subsystems/$subsystemname/namespaces/1/enable
+
+if [ ! -d /sys/kernel/config/nvmet/ports/1 ]; then
+	mkdir /sys/kernel/config/nvmet/ports/1
+fi
+
+echo rdma > /sys/kernel/config/nvmet/ports/1/addr_trtype
+echo ipv4 > /sys/kernel/config/nvmet/ports/1/addr_adrfam
+echo $NVMF_FIRST_TARGET_IP > /sys/kernel/config/nvmet/ports/1/addr_traddr
+echo $NVMF_PORT > /sys/kernel/config/nvmet/ports/1/addr_trsvcid
+
+ln -s /sys/kernel/config/nvmet/subsystems/$subsystemname /sys/kernel/config/nvmet/ports/1/subsystems/$subsystemname
+
+modprobe -v nvme-rdma
+
+if [ -e "/dev/nvme-fabrics" ]; then
+	chmod a+rw /dev/nvme-fabrics
+fi
+
+nvme discover -t rdma -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
+
+#will replace with our own identify later
+#$rootdir/examples/nvme/identify/identify -a "$NVMF_FIRST_TARGET_IP" -s "$NVMF_PORT" -n nqn.2014-08.org.nvmexpress.discovery -t all
+nvmfcleanup
+
+rm -rf /sys/kernel/config/nvmet/ports/1/subsystems/$subsystemname
+
+echo 0 > /sys/kernel/config/nvmet/subsystems/$subsystemname/namespaces/1/enable
+echo -n 0 > /sys/kernel/config/nvmet/subsystems/$subsystemname/namespaces/1/device_path
+
+rmdir --ignore-fail-on-non-empty /sys/kernel/config/nvmet/subsystems/$subsystemname/namespaces/1
+rmdir --ignore-fail-on-non-empty /sys/kernel/config/nvmet/subsystems/$subsystemname
+rmdir --ignore-fail-on-non-empty /sys/kernel/config/nvmet/ports/1
+
+rmmod nvmet-rdma
+rmmod null_blk
+rmmod nvmet
+
+timing_exit identify_kernel_nvmf_tgt