[dts][PATCH V1 3/3] tests/vhost_virtio_pmd_interrupt_cbdma: add vhost_virtio_pmd_interrupt_cbdma testsuite

[Wei Ling <weix.ling@intel.com>]

Add new testsuite tests/TestSuite_vhost_virtio_pmd_interrupt_cbdma.py into tests.

Signed-off-by: Wei Ling <weix.ling@intel.com>
---
 ...tSuite_vhost_virtio_pmd_interrupt_cbdma.py | 405 ++++++++++++++++++
 1 file changed, 405 insertions(+)
 create mode 100644 tests/TestSuite_vhost_virtio_pmd_interrupt_cbdma.py

diff --git a/tests/TestSuite_vhost_virtio_pmd_interrupt_cbdma.py b/tests/TestSuite_vhost_virtio_pmd_interrupt_cbdma.py
new file mode 100644
index 00000000..3c2ae226
--- /dev/null
+++ b/tests/TestSuite_vhost_virtio_pmd_interrupt_cbdma.py
@@ -0,0 +1,405 @@
+# 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.
+vhost virtio pmd interrupt need test with l3fwd-power sample
+"""
+
+import re
+import time
+
+import framework.utils as utils
+from framework.packet import Packet
+from framework.pktgen import PacketGeneratorHelper
+from framework.test_case import TestCase
+from framework.virt_common import VM
+from framework.pmd_output import PmdOutput
+
+
+class TestVhostVirtioPmdInterruptCbdma(TestCase):
+
+    def set_up_all(self):
+        """
+        Run at the start of each test suite.
+        """
+        self.fix_ip = False
+        self.nb_cores = 4
+        self.queues = 4
+        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.cores_num = len([n for n in self.dut.cores if int(n['socket']) == self.ports_socket])
+        self.core_list = self.dut.get_core_list('all', socket=self.ports_socket)
+        self.core_list_vhost = self.core_list[0:17]
+        self.tx_port = self.tester.get_local_port(self.dut_ports[0])
+        self.dst_mac = self.dut.get_mac_address(self.dut_ports[0])
+        self.logger.info("Please comfirm the kernel of vm greater than 4.8.0 and enable vfio-noiommu in kernel")
+        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.base_dir = self.dut.base_dir.replace('~', '/root')
+        self.app_l3fwd_power_path = self.dut.apps_name['l3fwd-power']
+        self.app_testpmd_path = self.dut.apps_name['test-pmd']
+        self.testpmd_name = self.app_testpmd_path.split("/")[-1]
+        self.l3fwdpower_name = self.app_l3fwd_power_path.split("/")[-1]
+        self.vhost_user = self.dut.new_session(suite="vhost-user")
+        self.vhost_pmd = PmdOutput(self.dut, self.vhost_user)
+        self.vm_dut = None
+
+    def set_up(self):
+        """
+        Run before each test case.
+        """
+        # Clean the execution ENV
+        self.verify_info = []
+        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, "#")
+
+    def prepare_vm_env(self):
+        """
+        rebuild l3fwd-power in vm and set the virtio-net driver
+        """
+        out = self.vm_dut.build_dpdk_apps('examples/l3fwd-power')
+        self.verify("Error" not in out, "compilation l3fwd-power error")
+        self.vm_dut.send_expect("modprobe vfio enable_unsafe_noiommu_mode=1", "#")
+        self.vm_dut.send_expect("modprobe vfio-pci", "#")
+        self.vm_dut.ports_info[0]['port'].bind_driver('vfio-pci')
+
+    def launch_l3fwd_power_in_vm(self):
+        """
+        launch l3fwd-power with a virtual vhost device
+        """
+        self.verify(len(self.vm_dut.cores) >= self.nb_cores, "The vm done not has enought cores to use, please config it")
+        core_config = "1S/%dC/1T" % self.nb_cores
+        core_list_l3fwd = self.vm_dut.get_core_list(core_config)
+        core_mask_l3fwd = utils.create_mask(core_list_l3fwd)
+
+        res = True
+        self.logger.info("Launch l3fwd_sample sample:")
+        config_info = ""
+        for queue in range(self.queues):
+            if config_info != "":
+                config_info += ','
+            config_info += '(%d,%d,%s)' % (0, queue, core_list_l3fwd[queue])
+            info = {'core': core_list_l3fwd[queue], 'port': 0, 'queue': queue}
+            self.verify_info.append(info)
+
+        command_client = "./%s " % self.app_l3fwd_power_path + \
+                         "-c %s -n 4 --log-level='user1,7' -- -p 1 -P " + \
+                         "--config '%s' --no-numa  --parse-ptype --interrupt-only"
+        command_line_client = command_client % (core_mask_l3fwd, config_info)
+        self.vm_dut.get_session_output(timeout=2)
+        self.vm_dut.send_expect(command_line_client, "POWER", 40)
+        time.sleep(10)
+        out = self.vm_dut.get_session_output()
+        if ("Error" in out and "Error opening" not in out):
+            self.logger.error("Launch l3fwd-power sample error")
+            res = False
+        else:
+            self.logger.info("Launch l3fwd-power sample finished")
+        self.verify(res is True, "Lanuch l3fwd failed")
+
+    def set_vm_vcpu_number(self):
+        # config the vcpu numbers
+        params_number = len(self.vm.params)
+        for i in range(params_number):
+            if list(self.vm.params[i].keys())[0] == 'cpu':
+                self.vm.params[i]['cpu'][0]['number'] = self.queues
+
+    def start_vms(self, mode=0, packed=False):
+        """
+        start qemus
+        """
+        self.vm = VM(self.dut, 'vm0', 'vhost_sample')
+        self.vm.load_config()
+        vm_params = {}
+        vm_params['driver'] = 'vhost-user'
+        vm_params['opt_path'] = '%s/vhost-net' % self.base_dir
+        vm_params['opt_mac'] = "00:11:22:33:44:55"
+        vm_params['opt_queue'] = self.queues
+        if not packed:
+            opt_param = "mrg_rxbuf=on,csum=on,mq=on,vectors=%d" % (2 * self.queues + 2)
+        else:
+            opt_param = "mrg_rxbuf=on,csum=on,mq=on,vectors=%d,packed=on" % (2 * self.queues + 2)
+        if mode == 0:
+            vm_params['opt_settings'] = "disable-modern=true," + opt_param
+        elif mode == 1:
+            vm_params['opt_settings'] = "disable-modern=false," + opt_param
+        self.vm.set_vm_device(**vm_params)
+        self.set_vm_vcpu_number()
+        try:
+            # Due to we have change the params info before,
+            # so need to start vm with load_config=False
+            self.vm_dut = self.vm.start(load_config=False)
+            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 check_related_cores_status_in_l3fwd(self, out_result, status, fix_ip):
+        """
+        check the vcpu status
+        when tester send fix_ip packet, the cores in l3fwd only one can change the status
+        when tester send not fix_ip packets, all the cores in l3fwd will change the status
+        """
+        change = 0
+        for i in range(len(self.verify_info)):
+            if status == "waked up":
+                info = "lcore %s is waked up from rx interrupt on port %d queue %d"
+                info = info % (self.verify_info[i]["core"], self.verify_info[i]['port'], self.verify_info[i]['queue'])
+            elif status == "sleeps":
+                info = "lcore %s sleeps until interrupt triggers" % self.verify_info[i]["core"]
+            if info in out_result:
+                change = change + 1
+                self.logger.info(info)
+        # if use fix ip, only one cores can waked up/sleep
+        # if use dynamic ip, all the cores will waked up/sleep
+        if fix_ip is True:
+            self.verify(change == 1, "There has other cores change the status")
+        else:
+            self.verify(change == self.queues, "There has cores not change the status")
+
+    def set_fields(self):
+        """
+        set ip protocol field behavior
+        """
+        fields_config = {'ip':  {'dst': {'action': 'random'}, }, }
+        return fields_config
+
+    def send_packets(self):
+        tgen_input = []
+        if self.fix_ip is True:
+            pkt = Packet(pkt_type='UDP')
+        else:
+            pkt = Packet(pkt_type='IP_RAW')
+        pkt.config_layer('ether', {'dst': '%s' % self.dst_mac})
+        pkt.save_pcapfile(self.tester, "%s/interrupt.pcap" % self.out_path)
+        tgen_input.append((self.tx_port, self.tx_port, "%s/interrupt.pcap" % self.out_path))
+        self.tester.pktgen.clear_streams()
+        vm_config = self.set_fields()
+        if self.fix_ip is True:
+            vm_config = None
+        streams = self.pktgen_helper.prepare_stream_from_tginput(tgen_input, 100, vm_config, self.tester.pktgen)
+        # set traffic option
+        traffic_opt = {'delay': 5, 'duration': 20}
+        _, pps = self.tester.pktgen.measure_throughput(stream_ids=streams, options=traffic_opt)
+
+    def send_and_verify(self):
+        """
+        start to send packets and check the cpu status
+        stop to send packets and check the cpu status
+        """
+        # Send random dest ip address packets to host nic
+        # packets will distribute to all queues
+        self.fix_ip = False
+        self.send_packets()
+        out = self.vm_dut.get_session_output(timeout=5)
+        self.check_related_cores_status_in_l3fwd(out, "waked up", fix_ip=False)
+        self.check_related_cores_status_in_l3fwd(out, "sleeps", fix_ip=False)
+
+        # Send fixed dest ip address packets to host nic
+        # packets will distribute to 1 queue
+        self.fix_ip = True
+        self.send_packets()
+        out = self.vm_dut.get_session_output(timeout=5)
+        self.check_related_cores_status_in_l3fwd(out, "waked up", fix_ip=True)
+        self.check_related_cores_status_in_l3fwd(out, "sleeps", fix_ip=True)
+
+    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 stop_all_apps(self):
+        """
+        close all vms
+        """
+        if self.vm_dut is not None:
+            vm_dut2 = self.vm_dut.create_session(name="vm_dut2")
+            vm_dut2.send_expect("killall %s" % self.l3fwdpower_name, "# ", 10)
+            # self.vm_dut.send_expect("killall l3fwd-power", "# ", 60, alt_session=True)
+            self.vm_dut.send_expect("cp /tmp/main.c ./examples/l3fwd-power/", "#", 15)
+            out = self.vm_dut.build_dpdk_apps('examples/l3fwd-power')
+            self.vm.stop()
+            self.dut.close_session(vm_dut2)
+        self.vhost_pmd.quit()
+
+    def test_perf_virtio_interrupt_with_16_queues_and_cbdma_enabled(self):
+        """
+        Test Case1: Basic virtio interrupt test with 16 queues and cbdma enabled
+        """
+        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[3]}@{self.cbdma_list[2]}," \
+                    f"lcore{self.core_list[4]}@{self.cbdma_list[3]}," \
+                    f"lcore{self.core_list[5]}@{self.cbdma_list[4]}," \
+                    f"lcore{self.core_list[6]}@{self.cbdma_list[5]}," \
+                    f"lcore{self.core_list[7]}@{self.cbdma_list[6]}," \
+                    f"lcore{self.core_list[8]}@{self.cbdma_list[7]}," \
+                    f"lcore{self.core_list[9]}@{self.cbdma_list[8]}," \
+                    f"lcore{self.core_list[10]}@{self.cbdma_list[9]}," \
+                    f"lcore{self.core_list[11]}@{self.cbdma_list[10]}," \
+                    f"lcore{self.core_list[12]}@{self.cbdma_list[11]}," \
+                    f"lcore{self.core_list[13]}@{self.cbdma_list[12]}," \
+                    f"lcore{self.core_list[14]}@{self.cbdma_list[13]}," \
+                    f"lcore{self.core_list[15]}@{self.cbdma_list[14]}," \
+                    f"lcore{self.core_list[16]}@{self.cbdma_list[15]}]"
+        vhost_param = "--nb-cores=16 --rxq=16 --txq=16 --rss-ip --lcore-dma={}".format(lcore_dma)
+        vhost_eal_param = "--vdev 'eth_vhost0,iface=vhost-net,queues=16,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(mode=0, packed=False)
+        self.prepare_vm_env()
+        self.nb_cores = 16
+        self.launch_l3fwd_power_in_vm()
+        self.send_and_verify()
+
+    def test_perf_virtio10_interrupt_with_4_queues_and_cbdma_enabled(self):
+        """
+        Test Case2: Basic virtio-1.0 interrupt test with 4 queues and cbdma enabled
+        """
+        self.get_cbdma_ports_info_and_bind_to_dpdk(4)
+        lcore_dma = f"[lcore{self.core_list_vhost[1]}@{self.cbdma_list[0]}," \
+            f"lcore{self.core_list_vhost[2]}@{self.cbdma_list[0]}," \
+            f"lcore{self.core_list_vhost[3]}@{self.cbdma_list[0]}," \
+            f"lcore{self.core_list_vhost[3]}@{self.cbdma_list[1]}," \
+            f"lcore{self.core_list_vhost[4]}@{self.cbdma_list[1]}]"
+        vhost_param = "--nb-cores=4 --rxq=4 --txq=4 --rss-ip --lcore-dma={}".format(lcore_dma)
+        vhost_eal_param = "--vdev 'net_vhost0,iface=vhost-net,queues=4,dmas=[txq0;txq1;txq2;txq3]'"
+        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 = 4
+        self.start_vms(mode=1, packed=False)
+        self.prepare_vm_env()
+        self.nb_cores = 4
+        self.launch_l3fwd_power_in_vm()
+        self.send_and_verify()
+
+    def test_perf_packed_ring_virtio_interrupt_with_16_queues_and_cbdma_enabled(self):
+        """
+        Test Case3: Packed ring virtio interrupt test with 16 queues and cbdma enabled
+        """
+        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[3]}@{self.cbdma_list[2]}," \
+            f"lcore{self.core_list[4]}@{self.cbdma_list[3]}," \
+            f"lcore{self.core_list[5]}@{self.cbdma_list[4]}," \
+            f"lcore{self.core_list[6]}@{self.cbdma_list[5]}," \
+            f"lcore{self.core_list[7]}@{self.cbdma_list[6]}," \
+            f"lcore{self.core_list[8]}@{self.cbdma_list[7]}," \
+            f"lcore{self.core_list[9]}@{self.cbdma_list[8]}," \
+            f"lcore{self.core_list[10]}@{self.cbdma_list[9]}," \
+            f"lcore{self.core_list[11]}@{self.cbdma_list[10]}," \
+            f"lcore{self.core_list[12]}@{self.cbdma_list[11]}," \
+            f"lcore{self.core_list[13]}@{self.cbdma_list[12]}," \
+            f"lcore{self.core_list[14]}@{self.cbdma_list[13]}," \
+            f"lcore{self.core_list[15]}@{self.cbdma_list[14]}," \
+            f"lcore{self.core_list[16]}@{self.cbdma_list[15]}]"
+        vhost_param = "--nb-cores=16 --rxq=16 --txq=16 --rss-ip --lcore-dma={}".format(lcore_dma)
+        vhost_eal_param = "--vdev 'eth_vhost0,iface=vhost-net,queues=16,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(mode=0, packed=True)
+        self.prepare_vm_env()
+        self.nb_cores = 16
+        self.launch_l3fwd_power_in_vm()
+        self.send_and_verify()
+
+    def tear_down(self):
+        """
+        Run after each test case.
+        """
+        self.stop_all_apps()
+        self.dut.kill_all()
+        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_user)
-- 
2.25.1