diff --git a/tests/TestSuite_virtio_event_idx_interrupt_cbdma.py b/tests/TestSuite_virtio_event_idx_interrupt_cbdma.py
new file mode 100644
index 00000000..3f8008bd
--- /dev/null
+++ b/tests/TestSuite_virtio_event_idx_interrupt_cbdma.py
@@ -0,0 +1,446 @@
+# BSD LICENSE
+#
+# Copyright(c) <2022> Intel Corporation.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+#   * Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#   * Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in
+#     the documentation and/or other materials provided with the
+#     distribution.
+#   * Neither the name of Intel Corporation nor the names of its
+#     contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""
+DPDK Test suite.
+Virtio idx interrupt need test with l3fwd-power sample
+"""
+
+import _thread
+import re
+import time
+
+from framework.pktgen import PacketGeneratorHelper
+from framework.pmd_output import PmdOutput
+from framework.test_case import TestCase
+from framework.virt_common import VM
+
+
+class TestVirtioIdxInterruptCbdma(TestCase):
+    def set_up_all(self):
+        """
+        Run at the start of each test suite.
+        """
+        self.queues = 1
+        self.nb_cores = 1
+        self.dut_ports = self.dut.get_ports()
+        self.verify(len(self.dut_ports) >= 1, "Insufficient ports for testing")
+        self.ports_socket = self.dut.get_numa_id(self.dut_ports[0])
+        self.core_list = self.dut.get_core_list("all", socket=self.ports_socket)
+        self.core_list_vhost = self.core_list[0:17]
+        self.cores_num = len(
+            [n for n in self.dut.cores if int(n["socket"]) == self.ports_socket]
+        )
+        self.dst_mac = self.dut.get_mac_address(self.dut_ports[0])
+        self.base_dir = self.dut.base_dir.replace("~", "/root")
+        self.pf_pci = self.dut.ports_info[0]["pci"]
+        self.out_path = "/tmp"
+        out = self.tester.send_expect("ls -d %s" % self.out_path, "# ")
+        if "No such file or directory" in out:
+            self.tester.send_expect("mkdir -p %s" % self.out_path, "# ")
+        # create an instance to set stream field setting
+        self.pktgen_helper = PacketGeneratorHelper()
+        self.app_testpmd_path = self.dut.apps_name["test-pmd"]
+        self.testpmd_name = self.app_testpmd_path.split("/")[-1]
+        self.vhost_user = self.dut.new_session(suite="vhost-user")
+        self.vhost_pmd = PmdOutput(self.dut, self.vhost_user)
+
+    def set_up(self):
+        """
+        Run before each test case.
+        """
+        # Clean the execution ENV
+        self.flag = None
+        self.dut.send_expect("killall -s INT %s" % self.testpmd_name, "#")
+        self.dut.send_expect("killall -s INT qemu-system-x86_64", "#")
+        self.dut.send_expect("rm -rf %s/vhost-net*" % self.base_dir, "#")
+        self.vhost = self.dut.new_session(suite="vhost")
+
+    def get_core_mask(self):
+        self.core_config = "1S/%dC/1T" % (self.nb_cores + 1)
+        self.verify(
+            self.cores_num >= (self.nb_cores + 1),
+            "There has not enough cores to test this case %s" % self.running_case,
+        )
+        self.core_list = self.dut.get_core_list(self.core_config)
+
+    def get_cbdma_ports_info_and_bind_to_dpdk(self, cbdma_num, allow_diff_socket=False):
+        """
+        get all cbdma ports
+        """
+        self.all_cbdma_list = []
+        self.cbdma_list = []
+        self.cbdma_str = ""
+        out = self.dut.send_expect(
+            "./usertools/dpdk-devbind.py --status-dev dma", "# ", 30
+        )
+        device_info = out.split("\n")
+        for device in device_info:
+            pci_info = re.search("\s*(0000:\S*:\d*.\d*)", device)
+            if pci_info is not None:
+                dev_info = pci_info.group(1)
+                # the numa id of ioat dev, only add the device which on same socket with nic dev
+                bus = int(dev_info[5:7], base=16)
+                if bus >= 128:
+                    cur_socket = 1
+                else:
+                    cur_socket = 0
+                if allow_diff_socket:
+                    self.all_cbdma_list.append(pci_info.group(1))
+                else:
+                    if self.ports_socket == cur_socket:
+                        self.all_cbdma_list.append(pci_info.group(1))
+        self.verify(
+            len(self.all_cbdma_list) >= cbdma_num, "There no enough cbdma device"
+        )
+        self.cbdma_list = self.all_cbdma_list[0:cbdma_num]
+        self.cbdma_str = " ".join(self.cbdma_list)
+        self.dut.send_expect(
+            "./usertools/dpdk-devbind.py --force --bind=%s %s"
+            % (self.drivername, self.cbdma_str),
+            "# ",
+            60,
+        )
+
+    def bind_cbdma_device_to_kernel(self):
+        self.dut.send_expect("modprobe ioatdma", "# ")
+        self.dut.send_expect(
+            "./usertools/dpdk-devbind.py -u %s" % self.cbdma_str, "# ", 30
+        )
+        self.dut.send_expect(
+            "./usertools/dpdk-devbind.py --force --bind=ioatdma  %s" % self.cbdma_str,
+            "# ",
+            60,
+        )
+
+    def start_vms(self, packed=False, mode=False, set_target=False, bind_dev=False):
+        """
+        start qemus
+        """
+        self.vm = VM(self.dut, "vm0", "vhost_sample")
+        vm_params = {}
+        vm_params["driver"] = "vhost-user"
+        if mode:
+            vm_params["opt_path"] = "%s/vhost-net,%s" % (self.base_dir, mode)
+        else:
+            vm_params["opt_path"] = "%s/vhost-net" % self.base_dir
+        vm_params["opt_mac"] = "00:11:22:33:44:55"
+        opt_args = (
+            "mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on"
+        )
+        if self.queues > 1:
+            vm_params["opt_queue"] = self.queues
+            opt_args = opt_args + ",mq=on,vectors=%d" % (2 * self.queues + 2)
+        if packed:
+            opt_args = opt_args + ",packed=on"
+        vm_params["opt_settings"] = opt_args
+        self.vm.set_vm_device(**vm_params)
+        try:
+            self.vm_dut = self.vm.start(set_target=set_target, bind_dev=bind_dev)
+            if self.vm_dut is None:
+                raise Exception("Set up VM ENV failed")
+        except Exception as e:
+            self.logger.error("ERROR: Failure for %s" % str(e))
+
+    def config_virito_net_in_vm(self):
+        """
+        config ip for virtio net
+        set net for multi queues enable
+        """
+        self.vm_intf = self.vm_dut.ports_info[0]["intf"]
+        self.vm_dut.send_expect("ifconfig %s down" % self.vm_intf, "#")
+        out = self.vm_dut.send_expect("ifconfig", "#")
+        self.verify(self.vm_intf not in out, "the virtio-pci down failed")
+        self.vm_dut.send_expect("ifconfig %s up" % self.vm_intf, "#")
+        if self.queues > 1:
+            self.vm_dut.send_expect(
+                "ethtool -L %s combined %d" % (self.vm_intf, self.queues), "#", 20
+            )
+
+    def start_to_send_packets(self, delay):
+        """
+        start send packets
+        """
+        tgen_input = []
+        port = self.tester.get_local_port(self.dut_ports[0])
+        self.tester.scapy_append(
+            'a=[Ether(dst="%s")/IP(src="0.240.74.101",proto=255)/UDP()/("X"*18)]'
+            % (self.dst_mac)
+        )
+        self.tester.scapy_append('wrpcap("%s/interrupt.pcap", a)' % self.out_path)
+        self.tester.scapy_execute()
+        tgen_input.append((port, port, "%s/interrupt.pcap" % self.out_path))
+        self.tester.pktgen.clear_streams()
+        fields_config = {
+            "ip": {
+                "dst": {"action": "random"},
+            },
+        }
+        streams = self.pktgen_helper.prepare_stream_from_tginput(
+            tgen_input, 1, fields_config, self.tester.pktgen
+        )
+        traffic_opt = {"delay": 5, "duration": delay, "rate": 1}
+        _, self.flag = self.tester.pktgen.measure_throughput(
+            stream_ids=streams, options=traffic_opt
+        )
+
+    def check_packets_after_reload_virtio_device(self, reload_times):
+        """
+        start to send packets and check virtio net has receive packets
+        """
+        # ixia send packets times equal to reload_times * wait_times
+        start_time = time.time()
+        _thread.start_new_thread(self.start_to_send_packets, (reload_times * 20,))
+        # wait the ixia begin to send packets
+        time.sleep(10)
+        self.vm_pci = self.vm_dut.ports_info[0]["pci"]
+        # reload virtio device to check the virtio-net can receive packets
+        for i in range(reload_times + 1):
+            if time.time() - start_time > reload_times * 30:
+                self.logger.error(
+                    "The ixia has stop to send packets, please change the delay time of ixia"
+                )
+                self.logger.info("The virtio device has reload %d times" % i)
+                return False
+            self.logger.info("The virtio net device reload %d times" % i)
+            self.vm_dut.send_expect(
+                "tcpdump -n -vv -i %s" % self.vm_intf, "tcpdump", 30
+            )
+            time.sleep(5)
+            out = self.vm_dut.get_session_output(timeout=3)
+            self.vm_dut.send_expect("^c", "#", 30)
+            self.verify(
+                "ip-proto-255" in out,
+                "The virtio device can not receive packets after reload %d times" % i,
+            )
+            time.sleep(2)
+            # reload virtio device
+            self.vm_dut.restore_interfaces()
+            time.sleep(3)
+            self.vm_dut.send_expect("ifconfig %s down" % self.vm_intf, "#")
+            self.vm_dut.send_expect("ifconfig %s up" % self.vm_intf, "#")
+        # wait ixia thread exit
+        self.logger.info("wait the thread of ixia to exit")
+        while 1:
+            if self.flag is not None:
+                break
+            time.sleep(5)
+        return True
+
+    def check_each_queue_has_packets_info_on_vhost(self):
+        """
+        check each queue has receive packets on vhost side
+        """
+        out = self.vhost_pmd.execute_cmd("stop")
+        print(out)
+        for queue_index in range(0, self.queues):
+            queue = re.search("Port= 0/Queue=\s*%d" % queue_index, out)
+            queue = queue.group()
+            index = out.find(queue)
+            rx = re.search("RX-packets:\s*(\d*)", out[index:])
+            tx = re.search("TX-packets:\s*(\d*)", out[index:])
+            rx_packets = int(rx.group(1))
+            tx_packets = int(tx.group(1))
+            self.verify(
+                rx_packets > 0 and tx_packets > 0,
+                "The queue %d rx-packets or tx-packets is 0 about " % queue_index
+                + "rx-packets:%d, tx-packets:%d" % (rx_packets, tx_packets),
+            )
+        self.vhost_pmd.execute_cmd("clear port stats all")
+
+    def stop_all_apps(self):
+        """
+        close all vms
+        """
+        self.vm.stop()
+        self.vhost.send_expect("quit", "#", 20)
+
+    def test_perf_split_ring_virito_pci_driver_reload_with_cbdma_enabled(self):
+        """
+        Test Case1: Split ring virtio-pci driver reload test with CBDMA enabled
+        """
+        self.get_cbdma_ports_info_and_bind_to_dpdk(1)
+        lcore_dma = "[lcore{}@{}]".format(self.core_list_vhost[1], self.cbdma_list[0])
+        vhost_param = "--nb-cores=1 --txd=1024 --rxd=1024 --lcore-dma={}".format(
+            lcore_dma
+        )
+        vhost_eal_param = "--vdev 'net_vhost,iface=vhost-net,queues=1,dmas=[txq0]'"
+        ports = self.cbdma_list
+        ports.append(self.dut.ports_info[0]["pci"])
+        self.vhost_pmd.start_testpmd(
+            cores=self.core_list_vhost,
+            ports=ports,
+            prefix="vhost",
+            eal_param=vhost_eal_param,
+            param=vhost_param,
+        )
+        self.vhost_pmd.execute_cmd("start")
+        self.queues = 1
+        self.start_vms(packed=False)
+        self.config_virito_net_in_vm()
+        res = self.check_packets_after_reload_virtio_device(reload_times=100)
+        self.verify(res is True, "Should increase the wait times of ixia")
+        self.stop_all_apps()
+
+    def test_perf_wake_up_split_ring_virtio_net_cores_with_event_idx_interrupt_mode_and_cbdma_enabled_16queue(
+        self,
+    ):
+        """
+        Test Case2: Wake up split ring virtio-net cores with event idx interrupt mode and cbdma enabled 16 queues test
+        """
+        self.get_cbdma_ports_info_and_bind_to_dpdk(16, allow_diff_socket=True)
+        lcore_dma = (
+            f"[lcore{self.core_list_vhost[1]}@{self.cbdma_list[0]},"
+            f"lcore{self.core_list[2]}@{self.cbdma_list[0]},"
+            f"lcore{self.core_list[3]}@{self.cbdma_list[1]},"
+            f"lcore{self.core_list[4]}@{self.cbdma_list[2]},"
+            f"lcore{self.core_list[5]}@{self.cbdma_list[3]},"
+            f"lcore{self.core_list[6]}@{self.cbdma_list[4]},"
+            f"lcore{self.core_list[7]}@{self.cbdma_list[5]},"
+            f"lcore{self.core_list[8]}@{self.cbdma_list[6]},"
+            f"lcore{self.core_list[9]}@{self.cbdma_list[7]},"
+            f"lcore{self.core_list[10]}@{self.cbdma_list[8]},"
+            f"lcore{self.core_list[11]}@{self.cbdma_list[9]},"
+            f"lcore{self.core_list[12]}@{self.cbdma_list[10]},"
+            f"lcore{self.core_list[13]}@{self.cbdma_list[11]},"
+            f"lcore{self.core_list[14]}@{self.cbdma_list[12]},"
+            f"lcore{self.core_list[15]}@{self.cbdma_list[13]},"
+            f"lcore{self.core_list[16]}@{self.cbdma_list[14]},"
+            f"lcore{self.core_list[17]}@{self.cbdma_list[15]}]"
+        )
+        vhost_param = "--nb-cores=16 --txd=1024 --rxd=1024 --rxq=16 --txq=16 --lcore-dma={}".format(
+            lcore_dma
+        )
+        vhost_eal_param = "--vdev 'net_vhost,iface=vhost-net,queues=16,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;txq8;txq9;txq10;txq11;txq12;txq13;txq14;txq15]'"
+        ports = self.cbdma_list
+        ports.append(self.dut.ports_info[0]["pci"])
+        self.vhost_pmd.start_testpmd(
+            cores=self.core_list_vhost,
+            ports=ports,
+            prefix="vhost",
+            eal_param=vhost_eal_param,
+            param=vhost_param,
+        )
+        self.vhost_pmd.execute_cmd("start")
+        self.queues = 16
+        self.start_vms(packed=False, mode="server")
+        self.config_virito_net_in_vm()
+        self.start_to_send_packets(delay=15)
+        self.check_each_queue_has_packets_info_on_vhost()
+        self.stop_all_apps()
+
+    def test_perf_packed_ring_virito_pci_driver_reload_with_cbdma_enabled(self):
+        """
+        Test Case3: Packed ring virtio-pci driver reload test with CBDMA enabled
+        """
+        self.get_cbdma_ports_info_and_bind_to_dpdk(1)
+        lcore_dma = "[lcore{}@{}]".format(self.core_list_vhost[1], self.cbdma_list[0])
+        vhost_param = "--nb-cores=1 --txd=1024 --rxd=1024 --lcore-dma={}".format(
+            lcore_dma
+        )
+        vhost_eal_param = "--vdev 'net_vhost,iface=vhost-net,queues=1,dmas=[txq0]'"
+        ports = self.cbdma_list
+        ports.append(self.dut.ports_info[0]["pci"])
+        self.vhost_pmd.start_testpmd(
+            cores=self.core_list_vhost,
+            ports=ports,
+            prefix="vhost",
+            eal_param=vhost_eal_param,
+            param=vhost_param,
+        )
+        self.vhost_pmd.execute_cmd("start")
+        self.queues = 1
+        self.start_vms(packed=True)
+        self.config_virito_net_in_vm()
+        res = self.check_packets_after_reload_virtio_device(reload_times=100)
+        self.verify(res is True, "Should increase the wait times of ixia")
+        self.stop_all_apps()
+
+    def test_perf_wake_up_packed_ring_virtio_net_cores_with_event_idx_interrupt_mode_and_cbdma_enabled_16queue(
+        self,
+    ):
+        """
+        Test Case4: Wake up packed ring virtio-net cores with event idx interrupt mode and cbdma enabled 16 queues test
+        """
+        self.get_cbdma_ports_info_and_bind_to_dpdk(16, allow_diff_socket=True)
+        lcore_dma = (
+            f"[lcore{self.core_list_vhost[1]}@{self.cbdma_list[0]},"
+            f"lcore{self.core_list[2]}@{self.cbdma_list[0]},"
+            f"lcore{self.core_list[3]}@{self.cbdma_list[1]},"
+            f"lcore{self.core_list[4]}@{self.cbdma_list[2]},"
+            f"lcore{self.core_list[5]}@{self.cbdma_list[3]},"
+            f"lcore{self.core_list[6]}@{self.cbdma_list[4]},"
+            f"lcore{self.core_list[7]}@{self.cbdma_list[5]},"
+            f"lcore{self.core_list[8]}@{self.cbdma_list[6]},"
+            f"lcore{self.core_list[9]}@{self.cbdma_list[7]},"
+            f"lcore{self.core_list[10]}@{self.cbdma_list[8]},"
+            f"lcore{self.core_list[11]}@{self.cbdma_list[9]},"
+            f"lcore{self.core_list[12]}@{self.cbdma_list[10]},"
+            f"lcore{self.core_list[13]}@{self.cbdma_list[11]},"
+            f"lcore{self.core_list[14]}@{self.cbdma_list[12]},"
+            f"lcore{self.core_list[15]}@{self.cbdma_list[13]},"
+            f"lcore{self.core_list[16]}@{self.cbdma_list[14]},"
+            f"lcore{self.core_list[17]}@{self.cbdma_list[15]}]"
+        )
+        vhost_param = "--nb-cores=16 --txd=1024 --rxd=1024 --rxq=16 --txq=16 --lcore-dma={}".format(
+            lcore_dma
+        )
+        vhost_eal_param = "--vdev 'net_vhost,iface=vhost-net,queues=16,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;txq8;txq9;txq10;txq11;txq12;txq13;txq14;txq15]'"
+        ports = self.cbdma_list
+        ports.append(self.dut.ports_info[0]["pci"])
+        self.vhost_pmd.start_testpmd(
+            cores=self.core_list_vhost,
+            ports=ports,
+            prefix="vhost",
+            eal_param=vhost_eal_param,
+            param=vhost_param,
+        )
+        self.vhost_pmd.execute_cmd("start")
+        self.queues = 16
+        self.start_vms(packed=True, mode="server")
+        self.config_virito_net_in_vm()
+        self.start_to_send_packets(delay=15)
+        self.check_each_queue_has_packets_info_on_vhost()
+        self.stop_all_apps()
+
+    def tear_down(self):
+        """
+        Run after each test case.
+        """
+        self.dut.send_expect("killall -s INT %s" % self.testpmd_name, "#")
+        self.dut.send_expect("killall -s INT qemu-system-x86_64", "#")
+        self.bind_cbdma_device_to_kernel()
+
+    def tear_down_all(self):
+        """
+        Run after each test suite.
+        """
+        self.dut.close_session(self.vhost)
