From 5129044dce1f85ce4950f31bcf90f3886466f06a Mon Sep 17 00:00:00 2001 From: "C.J. Collier" Date: Tue, 14 Jun 2016 07:54:47 -0700 Subject: Imported upstream release 16.04 * gbp import-orig ../dpdk-16.04.tar.xz Change-Id: Iac2196db782ba322f6974d8a752acc34ce5024c3 Signed-off-by: C.J. Collier --- tools/cpu_layout.py | 95 ++++++++ tools/dpdk_nic_bind.py | 576 ++++++++++++++++++++++++++++++++++++++++++++ tools/setup.sh | 634 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 1305 insertions(+) create mode 100755 tools/cpu_layout.py create mode 100755 tools/dpdk_nic_bind.py create mode 100755 tools/setup.sh (limited to 'tools') diff --git a/tools/cpu_layout.py b/tools/cpu_layout.py new file mode 100755 index 00000000..d38d0b5a --- /dev/null +++ b/tools/cpu_layout.py @@ -0,0 +1,95 @@ +#! /usr/bin/python +# +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. All rights reserved. +# 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. +# + +import sys + +sockets = [] +cores = [] +core_map = {} + +fd=open("/proc/cpuinfo") +lines = fd.readlines() +fd.close() + +core_details = [] +core_lines = {} +for line in lines: + if len(line.strip()) != 0: + name, value = line.split(":", 1) + core_lines[name.strip()] = value.strip() + else: + core_details.append(core_lines) + core_lines = {} + +for core in core_details: + for field in ["processor", "core id", "physical id"]: + if field not in core: + print "Error getting '%s' value from /proc/cpuinfo" % field + sys.exit(1) + core[field] = int(core[field]) + + if core["core id"] not in cores: + cores.append(core["core id"]) + if core["physical id"] not in sockets: + sockets.append(core["physical id"]) + key = (core["physical id"], core["core id"]) + if key not in core_map: + core_map[key] = [] + core_map[key].append(core["processor"]) + +print "============================================================" +print "Core and Socket Information (as reported by '/proc/cpuinfo')" +print "============================================================\n" +print "cores = ",cores +print "sockets = ", sockets +print "" + +max_processor_len = len(str(len(cores) * len(sockets) * 2 - 1)) +max_core_map_len = max_processor_len * 2 + len('[, ]') + len('Socket ') +max_core_id_len = len(str(max(cores))) + +print " ".ljust(max_core_id_len + len('Core ')), +for s in sockets: + print "Socket %s" % str(s).ljust(max_core_map_len - len('Socket ')), +print "" +print " ".ljust(max_core_id_len + len('Core ')), +for s in sockets: + print "--------".ljust(max_core_map_len), +print "" + +for c in cores: + print "Core %s" % str(c).ljust(max_core_id_len), + for s in sockets: + print str(core_map[(s,c)]).ljust(max_core_map_len), + print "" diff --git a/tools/dpdk_nic_bind.py b/tools/dpdk_nic_bind.py new file mode 100755 index 00000000..28eace33 --- /dev/null +++ b/tools/dpdk_nic_bind.py @@ -0,0 +1,576 @@ +#! /usr/bin/python +# +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. All rights reserved. +# 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. +# + +import sys +import os +import getopt +import subprocess +from os.path import exists, abspath, dirname, basename + +# The PCI device class for ETHERNET devices +ETHERNET_CLASS = "0200" + +# global dict ethernet devices present. Dictionary indexed by PCI address. +# Each device within this is itself a dictionary of device properties +devices = {} +# list of supported DPDK drivers +dpdk_drivers = ["igb_uio", "vfio-pci", "uio_pci_generic"] + +# command-line arg flags +b_flag = None +status_flag = False +force_flag = False +args = [] + + +def usage(): + '''Print usage information for the program''' + argv0 = basename(sys.argv[0]) + print(""" +Usage: +------ + + %(argv0)s [options] DEVICE1 DEVICE2 .... + +where DEVICE1, DEVICE2 etc, are specified via PCI "domain:bus:slot.func" syntax +or "bus:slot.func" syntax. For devices bound to Linux kernel drivers, they may +also be referred to by Linux interface name e.g. eth0, eth1, em0, em1, etc. + +Options: + --help, --usage: + Display usage information and quit + + -s, --status: + Print the current status of all known network interfaces. + For each device, it displays the PCI domain, bus, slot and function, + along with a text description of the device. Depending upon whether the + device is being used by a kernel driver, the igb_uio driver, or no + driver, other relevant information will be displayed: + * the Linux interface name e.g. if=eth0 + * the driver being used e.g. drv=igb_uio + * any suitable drivers not currently using that device + e.g. unused=igb_uio + NOTE: if this flag is passed along with a bind/unbind option, the + status display will always occur after the other operations have taken + place. + + -b driver, --bind=driver: + Select the driver to use or \"none\" to unbind the device + + -u, --unbind: + Unbind a device (Equivalent to \"-b none\") + + --force: + By default, devices which are used by Linux - as indicated by having + routes in the routing table - cannot be modified. Using the --force + flag overrides this behavior, allowing active links to be forcibly + unbound. + WARNING: This can lead to loss of network connection and should be used + with caution. + +Examples: +--------- + +To display current device status: + %(argv0)s --status + +To bind eth1 from the current driver and move to use igb_uio + %(argv0)s --bind=igb_uio eth1 + +To unbind 0000:01:00.0 from using any driver + %(argv0)s -u 0000:01:00.0 + +To bind 0000:02:00.0 and 0000:02:00.1 to the ixgbe kernel driver + %(argv0)s -b ixgbe 02:00.0 02:00.1 + + """ % locals()) # replace items from local variables + + +# This is roughly compatible with check_output function in subprocess module +# which is only available in python 2.7. +def check_output(args, stderr=None): + '''Run a command and capture its output''' + return subprocess.Popen(args, stdout=subprocess.PIPE, + stderr=stderr).communicate()[0] + + +def find_module(mod): + '''find the .ko file for kernel module named mod. + Searches the $RTE_SDK/$RTE_TARGET directory, the kernel + modules directory and finally under the parent directory of + the script ''' + # check $RTE_SDK/$RTE_TARGET directory + if 'RTE_SDK' in os.environ and 'RTE_TARGET' in os.environ: + path = "%s/%s/kmod/%s.ko" % (os.environ['RTE_SDK'], + os.environ['RTE_TARGET'], mod) + if exists(path): + return path + + # check using depmod + try: + depmod_out = check_output(["modinfo", "-n", mod], + stderr=subprocess.STDOUT).lower() + if "error" not in depmod_out: + path = depmod_out.strip() + if exists(path): + return path + except: # if modinfo can't find module, it fails, so continue + pass + + # check for a copy based off current path + tools_dir = dirname(abspath(sys.argv[0])) + if (tools_dir.endswith("tools")): + base_dir = dirname(tools_dir) + find_out = check_output(["find", base_dir, "-name", mod + ".ko"]) + if len(find_out) > 0: # something matched + path = find_out.splitlines()[0] + if exists(path): + return path + + +def check_modules(): + '''Checks that igb_uio is loaded''' + global dpdk_drivers + + # list of supported modules + mods = [{"Name": driver, "Found": False} for driver in dpdk_drivers] + + # first check if module is loaded + try: + # Get list of sysfs modules (both built-in and dynamically loaded) + sysfs_path = '/sys/module/' + + # Get the list of directories in sysfs_path + sysfs_mods = [os.path.join(sysfs_path, o) for o + in os.listdir(sysfs_path) + if os.path.isdir(os.path.join(sysfs_path, o))] + + # Extract the last element of '/sys/module/abc' in the array + sysfs_mods = [a.split('/')[-1] for a in sysfs_mods] + + # special case for vfio_pci (module is named vfio-pci, + # but its .ko is named vfio_pci) + sysfs_mods = map(lambda a: + a if a != 'vfio_pci' else 'vfio-pci', sysfs_mods) + + for mod in mods: + if mod["Name"] in sysfs_mods: + mod["Found"] = True + except: + pass + + # check if we have at least one loaded module + if True not in [mod["Found"] for mod in mods] and b_flag is not None: + if b_flag in dpdk_drivers: + print("Error - no supported modules(DPDK driver) are loaded") + sys.exit(1) + else: + print("Warning - no supported modules(DPDK driver) are loaded") + + # change DPDK driver list to only contain drivers that are loaded + dpdk_drivers = [mod["Name"] for mod in mods if mod["Found"]] + + +def has_driver(dev_id): + '''return true if a device is assigned to a driver. False otherwise''' + return "Driver_str" in devices[dev_id] + + +def get_pci_device_details(dev_id): + '''This function gets additional details for a PCI device''' + device = {} + + extra_info = check_output(["lspci", "-vmmks", dev_id]).splitlines() + + # parse lspci details + for line in extra_info: + if len(line) == 0: + continue + name, value = line.decode().split("\t", 1) + name = name.strip(":") + "_str" + device[name] = value + # check for a unix interface name + sys_path = "/sys/bus/pci/devices/%s/net/" % dev_id + if exists(sys_path): + device["Interface"] = ",".join(os.listdir(sys_path)) + else: + device["Interface"] = "" + # check if a port is used for ssh connection + device["Ssh_if"] = False + device["Active"] = "" + + return device + + +def get_nic_details(): + '''This function populates the "devices" dictionary. The keys used are + the pci addresses (domain:bus:slot.func). The values are themselves + dictionaries - one for each NIC.''' + global devices + global dpdk_drivers + + # clear any old data + devices = {} + # first loop through and read details for all devices + # request machine readable format, with numeric IDs + dev = {} + dev_lines = check_output(["lspci", "-Dvmmn"]).splitlines() + for dev_line in dev_lines: + if (len(dev_line) == 0): + if dev["Class"] == ETHERNET_CLASS: + # convert device and vendor ids to numbers, then add to global + dev["Vendor"] = int(dev["Vendor"], 16) + dev["Device"] = int(dev["Device"], 16) + # use dict to make copy of dev + devices[dev["Slot"]] = dict(dev) + else: + name, value = dev_line.decode().split("\t", 1) + dev[name.rstrip(":")] = value + + # check what is the interface if any for an ssh connection if + # any to this host, so we can mark it later. + ssh_if = [] + route = check_output(["ip", "-o", "route"]) + # filter out all lines for 169.254 routes + route = "\n".join(filter(lambda ln: not ln.startswith("169.254"), + route.decode().splitlines())) + rt_info = route.split() + for i in range(len(rt_info) - 1): + if rt_info[i] == "dev": + ssh_if.append(rt_info[i+1]) + + # based on the basic info, get extended text details + for d in devices.keys(): + # get additional info and add it to existing data + devices[d] = devices[d].copy() + devices[d].update(get_pci_device_details(d).items()) + + for _if in ssh_if: + if _if in devices[d]["Interface"].split(","): + devices[d]["Ssh_if"] = True + devices[d]["Active"] = "*Active*" + break + + # add igb_uio to list of supporting modules if needed + if "Module_str" in devices[d]: + for driver in dpdk_drivers: + if driver not in devices[d]["Module_str"]: + devices[d]["Module_str"] = \ + devices[d]["Module_str"] + ",%s" % driver + else: + devices[d]["Module_str"] = ",".join(dpdk_drivers) + + # make sure the driver and module strings do not have any duplicates + if has_driver(d): + modules = devices[d]["Module_str"].split(",") + if devices[d]["Driver_str"] in modules: + modules.remove(devices[d]["Driver_str"]) + devices[d]["Module_str"] = ",".join(modules) + + +def dev_id_from_dev_name(dev_name): + '''Take a device "name" - a string passed in by user to identify a NIC + device, and determine the device id - i.e. the domain:bus:slot.func - for + it, which can then be used to index into the devices array''' + + # check if it's already a suitable index + if dev_name in devices: + return dev_name + # check if it's an index just missing the domain part + elif "0000:" + dev_name in devices: + return "0000:" + dev_name + else: + # check if it's an interface name, e.g. eth1 + for d in devices.keys(): + if dev_name in devices[d]["Interface"].split(","): + return devices[d]["Slot"] + # if nothing else matches - error + print("Unknown device: %s. " + "Please specify device in \"bus:slot.func\" format" % dev_name) + sys.exit(1) + + +def unbind_one(dev_id, force): + '''Unbind the device identified by "dev_id" from its current driver''' + dev = devices[dev_id] + if not has_driver(dev_id): + print("%s %s %s is not currently managed by any driver\n" % + (dev["Slot"], dev["Device_str"], dev["Interface"])) + return + + # prevent us disconnecting ourselves + if dev["Ssh_if"] and not force: + print("Routing table indicates that interface %s is active. " + "Skipping unbind" % (dev_id)) + return + + # write to /sys to unbind + filename = "/sys/bus/pci/drivers/%s/unbind" % dev["Driver_str"] + try: + f = open(filename, "a") + except: + print("Error: unbind failed for %s - Cannot open %s" + % (dev_id, filename)) + sys.exit(1) + f.write(dev_id) + f.close() + + +def bind_one(dev_id, driver, force): + '''Bind the device given by "dev_id" to the driver "driver". If the device + is already bound to a different driver, it will be unbound first''' + dev = devices[dev_id] + saved_driver = None # used to rollback any unbind in case of failure + + # prevent disconnection of our ssh session + if dev["Ssh_if"] and not force: + print("Routing table indicates that interface %s is active. " + "Not modifying" % (dev_id)) + return + + # unbind any existing drivers we don't want + if has_driver(dev_id): + if dev["Driver_str"] == driver: + print("%s already bound to driver %s, skipping\n" + % (dev_id, driver)) + return + else: + saved_driver = dev["Driver_str"] + unbind_one(dev_id, force) + dev["Driver_str"] = "" # clear driver string + + # if we are binding to one of DPDK drivers, add PCI id's to that driver + if driver in dpdk_drivers: + filename = "/sys/bus/pci/drivers/%s/new_id" % driver + try: + f = open(filename, "w") + except: + print("Error: bind failed for %s - Cannot open %s" + % (dev_id, filename)) + return + try: + f.write("%04x %04x" % (dev["Vendor"], dev["Device"])) + f.close() + except: + print("Error: bind failed for %s - Cannot write new PCI ID to " + "driver %s" % (dev_id, driver)) + return + + # do the bind by writing to /sys + filename = "/sys/bus/pci/drivers/%s/bind" % driver + try: + f = open(filename, "a") + except: + print("Error: bind failed for %s - Cannot open %s" + % (dev_id, filename)) + if saved_driver is not None: # restore any previous driver + bind_one(dev_id, saved_driver, force) + return + try: + f.write(dev_id) + f.close() + except: + # for some reason, closing dev_id after adding a new PCI ID to new_id + # results in IOError. however, if the device was successfully bound, + # we don't care for any errors and can safely ignore IOError + tmp = get_pci_device_details(dev_id) + if "Driver_str" in tmp and tmp["Driver_str"] == driver: + return + print("Error: bind failed for %s - Cannot bind to driver %s" + % (dev_id, driver)) + if saved_driver is not None: # restore any previous driver + bind_one(dev_id, saved_driver, force) + return + + +def unbind_all(dev_list, force=False): + """Unbind method, takes a list of device locations""" + dev_list = map(dev_id_from_dev_name, dev_list) + for d in dev_list: + unbind_one(d, force) + + +def bind_all(dev_list, driver, force=False): + """Bind method, takes a list of device locations""" + global devices + + dev_list = map(dev_id_from_dev_name, dev_list) + + for d in dev_list: + bind_one(d, driver, force) + + # when binding devices to a generic driver (i.e. one that doesn't have a + # PCI ID table), some devices that are not bound to any other driver could + # be bound even if no one has asked them to. hence, we check the list of + # drivers again, and see if some of the previously-unbound devices were + # erroneously bound. + for d in devices.keys(): + # skip devices that were already bound or that we know should be bound + if "Driver_str" in devices[d] or d in dev_list: + continue + + # update information about this device + devices[d] = dict(devices[d].items() + + get_pci_device_details(d).items()) + + # check if updated information indicates that the device was bound + if "Driver_str" in devices[d]: + unbind_one(d, force) + + +def display_devices(title, dev_list, extra_params=None): + '''Displays to the user the details of a list of devices given in + "dev_list". The "extra_params" parameter, if given, should contain a string + with %()s fields in it for replacement by the named fields in each + device's dictionary.''' + strings = [] # this holds the strings to print. We sort before printing + print("\n%s" % title) + print("="*len(title)) + if len(dev_list) == 0: + strings.append("") + else: + for dev in dev_list: + if extra_params is not None: + strings.append("%s '%s' %s" % (dev["Slot"], + dev["Device_str"], extra_params % dev)) + else: + strings.append("%s '%s'" % (dev["Slot"], dev["Device_str"])) + # sort before printing, so that the entries appear in PCI order + strings.sort() + print("\n".join(strings)) # print one per line + + +def show_status(): + '''Function called when the script is passed the "--status" option. + Displays to the user what devices are bound to the igb_uio driver, the + kernel driver or to no driver''' + global dpdk_drivers + kernel_drv = [] + dpdk_drv = [] + no_drv = [] + + # split our list of devices into the three categories above + for d in devices.keys(): + if not has_driver(d): + no_drv.append(devices[d]) + continue + if devices[d]["Driver_str"] in dpdk_drivers: + dpdk_drv.append(devices[d]) + else: + kernel_drv.append(devices[d]) + + # print each category separately, so we can clearly see what's used by DPDK + display_devices("Network devices using DPDK-compatible driver", dpdk_drv, + "drv=%(Driver_str)s unused=%(Module_str)s") + display_devices("Network devices using kernel driver", kernel_drv, + "if=%(Interface)s drv=%(Driver_str)s " + "unused=%(Module_str)s %(Active)s") + display_devices("Other network devices", no_drv, "unused=%(Module_str)s") + + +def parse_args(): + '''Parses the command-line arguments given by the user and takes the + appropriate action for each''' + global b_flag + global status_flag + global force_flag + global args + if len(sys.argv) <= 1: + usage() + sys.exit(0) + + try: + opts, args = getopt.getopt(sys.argv[1:], "b:us", + ["help", "usage", "status", "force", + "bind=", "unbind"]) + except getopt.GetoptError as error: + print(str(error)) + print("Run '%s --usage' for further information" % sys.argv[0]) + sys.exit(1) + + for opt, arg in opts: + if opt == "--help" or opt == "--usage": + usage() + sys.exit(0) + if opt == "--status" or opt == "-s": + status_flag = True + if opt == "--force": + force_flag = True + if opt == "-b" or opt == "-u" or opt == "--bind" or opt == "--unbind": + if b_flag is not None: + print("Error - Only one bind or unbind may be specified\n") + sys.exit(1) + if opt == "-u" or opt == "--unbind": + b_flag = "none" + else: + b_flag = arg + + +def do_arg_actions(): + '''do the actual action requested by the user''' + global b_flag + global status_flag + global force_flag + global args + + if b_flag is None and not status_flag: + print("Error: No action specified for devices." + "Please give a -b or -u option") + print("Run '%s --usage' for further information" % sys.argv[0]) + sys.exit(1) + + if b_flag is not None and len(args) == 0: + print("Error: No devices specified.") + print("Run '%s --usage' for further information" % sys.argv[0]) + sys.exit(1) + + if b_flag == "none" or b_flag == "None": + unbind_all(args, force_flag) + elif b_flag is not None: + bind_all(args, b_flag, force_flag) + if status_flag: + if b_flag is not None: + get_nic_details() # refresh if we have changed anything + show_status() + + +def main(): + '''program main function''' + parse_args() + check_modules() + get_nic_details() + do_arg_actions() + +if __name__ == "__main__": + main() diff --git a/tools/setup.sh b/tools/setup.sh new file mode 100755 index 00000000..6097ab7b --- /dev/null +++ b/tools/setup.sh @@ -0,0 +1,634 @@ +#! /bin/bash + +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. All rights reserved. +# 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. + +# +# Run with "source /path/to/setup.sh" +# + +# +# Change to DPDK directory ( /.. ), and export it as RTE_SDK +# +cd $(dirname ${BASH_SOURCE[0]})/.. +export RTE_SDK=$PWD +echo "------------------------------------------------------------------------------" +echo " RTE_SDK exported as $RTE_SDK" +echo "------------------------------------------------------------------------------" + +HUGEPGSZ=`cat /proc/meminfo | grep Hugepagesize | cut -d : -f 2 | tr -d ' '` + +# +# Application EAL parameters for setting memory options (amount/channels/ranks). +# +EAL_PARAMS='-n 4' + +# +# Sets QUIT variable so script will finish. +# +quit() +{ + QUIT=$1 +} + +# Shortcut for quit. +q() +{ + quit +} + +# +# Sets up environmental variables for ICC. +# +setup_icc() +{ + DEFAULT_PATH=/opt/intel/bin/iccvars.sh + param=$1 + shpath=`which iccvars.sh 2> /dev/null` + if [ $? -eq 0 ] ; then + echo "Loading iccvars.sh from $shpath for $param" + source $shpath $param + elif [ -f $DEFAULT_PATH ] ; then + echo "Loading iccvars.sh from $DEFAULT_PATH for $param" + source $DEFAULT_PATH $param + else + echo "## ERROR: cannot find 'iccvars.sh' script to set up ICC." + echo "## To fix, please add the directory that contains" + echo "## iccvars.sh to your 'PATH' environment variable." + quit + fi +} + +# +# Sets RTE_TARGET and does a "make install". +# +setup_target() +{ + option=$1 + export RTE_TARGET=${TARGETS[option]} + + compiler=${RTE_TARGET##*-} + if [ "$compiler" == "icc" ] ; then + platform=${RTE_TARGET%%-*} + if [ "$platform" == "x86_64" ] ; then + setup_icc intel64 + else + setup_icc ia32 + fi + fi + if [ "$QUIT" == "0" ] ; then + make install T=${RTE_TARGET} + fi + echo "------------------------------------------------------------------------------" + echo " RTE_TARGET exported as $RTE_TARGET" + echo "------------------------------------------------------------------------------" +} + +# +# Creates hugepage filesystem. +# +create_mnt_huge() +{ + echo "Creating /mnt/huge and mounting as hugetlbfs" + sudo mkdir -p /mnt/huge + + grep -s '/mnt/huge' /proc/mounts > /dev/null + if [ $? -ne 0 ] ; then + sudo mount -t hugetlbfs nodev /mnt/huge + fi +} + +# +# Removes hugepage filesystem. +# +remove_mnt_huge() +{ + echo "Unmounting /mnt/huge and removing directory" + grep -s '/mnt/huge' /proc/mounts > /dev/null + if [ $? -eq 0 ] ; then + sudo umount /mnt/huge + fi + + if [ -d /mnt/huge ] ; then + sudo rm -R /mnt/huge + fi +} + +# +# Unloads igb_uio.ko. +# +remove_igb_uio_module() +{ + echo "Unloading any existing DPDK UIO module" + /sbin/lsmod | grep -s igb_uio > /dev/null + if [ $? -eq 0 ] ; then + sudo /sbin/rmmod igb_uio + fi +} + +# +# Loads new igb_uio.ko (and uio module if needed). +# +load_igb_uio_module() +{ + if [ ! -f $RTE_SDK/$RTE_TARGET/kmod/igb_uio.ko ];then + echo "## ERROR: Target does not have the DPDK UIO Kernel Module." + echo " To fix, please try to rebuild target." + return + fi + + remove_igb_uio_module + + /sbin/lsmod | grep -s uio > /dev/null + if [ $? -ne 0 ] ; then + modinfo uio > /dev/null + if [ $? -eq 0 ]; then + echo "Loading uio module" + sudo /sbin/modprobe uio + fi + fi + + # UIO may be compiled into kernel, so it may not be an error if it can't + # be loaded. + + echo "Loading DPDK UIO module" + sudo /sbin/insmod $RTE_SDK/$RTE_TARGET/kmod/igb_uio.ko + if [ $? -ne 0 ] ; then + echo "## ERROR: Could not load kmod/igb_uio.ko." + quit + fi +} + +# +# Unloads VFIO modules. +# +remove_vfio_module() +{ + echo "Unloading any existing VFIO module" + /sbin/lsmod | grep -s vfio > /dev/null + if [ $? -eq 0 ] ; then + sudo /sbin/rmmod vfio-pci + sudo /sbin/rmmod vfio_iommu_type1 + sudo /sbin/rmmod vfio + fi +} + +# +# Loads new vfio-pci (and vfio module if needed). +# +load_vfio_module() +{ + remove_vfio_module + + VFIO_PATH="kernel/drivers/vfio/pci/vfio-pci.ko" + + echo "Loading VFIO module" + /sbin/lsmod | grep -s vfio_pci > /dev/null + if [ $? -ne 0 ] ; then + if [ -f /lib/modules/$(uname -r)/$VFIO_PATH ] ; then + sudo /sbin/modprobe vfio-pci + fi + fi + + # make sure regular users can read /dev/vfio + echo "chmod /dev/vfio" + sudo chmod a+x /dev/vfio + if [ $? -ne 0 ] ; then + echo "FAIL" + quit + fi + echo "OK" + + # check if /dev/vfio/vfio exists - that way we + # know we either loaded the module, or it was + # compiled into the kernel + if [ ! -e /dev/vfio/vfio ] ; then + echo "## ERROR: VFIO not found!" + fi +} + +# +# Unloads the rte_kni.ko module. +# +remove_kni_module() +{ + echo "Unloading any existing DPDK KNI module" + /sbin/lsmod | grep -s rte_kni > /dev/null + if [ $? -eq 0 ] ; then + sudo /sbin/rmmod rte_kni + fi +} + +# +# Loads the rte_kni.ko module. +# +load_kni_module() +{ + # Check that the KNI module is already built. + if [ ! -f $RTE_SDK/$RTE_TARGET/kmod/rte_kni.ko ];then + echo "## ERROR: Target does not have the DPDK KNI Module." + echo " To fix, please try to rebuild target." + return + fi + + # Unload existing version if present. + remove_kni_module + + # Now try load the KNI module. + echo "Loading DPDK KNI module" + sudo /sbin/insmod $RTE_SDK/$RTE_TARGET/kmod/rte_kni.ko + if [ $? -ne 0 ] ; then + echo "## ERROR: Could not load kmod/rte_kni.ko." + quit + fi +} + +# +# Sets appropriate permissions on /dev/vfio/* files +# +set_vfio_permissions() +{ + # make sure regular users can read /dev/vfio + echo "chmod /dev/vfio" + sudo chmod a+x /dev/vfio + if [ $? -ne 0 ] ; then + echo "FAIL" + quit + fi + echo "OK" + + # make sure regular user can access everything inside /dev/vfio + echo "chmod /dev/vfio/*" + sudo chmod 0666 /dev/vfio/* + if [ $? -ne 0 ] ; then + echo "FAIL" + quit + fi + echo "OK" + + # since permissions are only to be set when running as + # regular user, we only check ulimit here + # + # warn if regular user is only allowed + # to memlock <64M of memory + MEMLOCK_AMNT=`ulimit -l` + + if [ "$MEMLOCK_AMNT" != "unlimited" ] ; then + MEMLOCK_MB=`expr $MEMLOCK_AMNT / 1024` + echo "" + echo "Current user memlock limit: ${MEMLOCK_MB} MB" + echo "" + echo "This is the maximum amount of memory you will be" + echo "able to use with DPDK and VFIO if run as current user." + echo -n "To change this, please adjust limits.conf memlock " + echo "limit for current user." + + if [ $MEMLOCK_AMNT -lt 65536 ] ; then + echo "" + echo "## WARNING: memlock limit is less than 64MB" + echo -n "## DPDK with VFIO may not be able to initialize " + echo "if run as current user." + fi + fi +} + +# +# Removes all reserved hugepages. +# +clear_huge_pages() +{ + echo > .echo_tmp + for d in /sys/devices/system/node/node? ; do + echo "echo 0 > $d/hugepages/hugepages-${HUGEPGSZ}/nr_hugepages" >> .echo_tmp + done + echo "Removing currently reserved hugepages" + sudo sh .echo_tmp + rm -f .echo_tmp + + remove_mnt_huge +} + +# +# Creates hugepages. +# +set_non_numa_pages() +{ + clear_huge_pages + + echo "" + echo " Input the number of ${HUGEPGSZ} hugepages" + echo " Example: to have 128MB of hugepages available in a 2MB huge page system," + echo " enter '64' to reserve 64 * 2MB pages" + echo -n "Number of pages: " + read Pages + + echo "echo $Pages > /sys/kernel/mm/hugepages/hugepages-${HUGEPGSZ}/nr_hugepages" > .echo_tmp + + echo "Reserving hugepages" + sudo sh .echo_tmp + rm -f .echo_tmp + + create_mnt_huge +} + +# +# Creates hugepages on specific NUMA nodes. +# +set_numa_pages() +{ + clear_huge_pages + + echo "" + echo " Input the number of ${HUGEPGSZ} hugepages for each node" + echo " Example: to have 128MB of hugepages available per node in a 2MB huge page system," + echo " enter '64' to reserve 64 * 2MB pages on each node" + + echo > .echo_tmp + for d in /sys/devices/system/node/node? ; do + node=$(basename $d) + echo -n "Number of pages for $node: " + read Pages + echo "echo $Pages > $d/hugepages/hugepages-${HUGEPGSZ}/nr_hugepages" >> .echo_tmp + done + echo "Reserving hugepages" + sudo sh .echo_tmp + rm -f .echo_tmp + + create_mnt_huge +} + +# +# Run unit test application. +# +run_test_app() +{ + echo "" + echo " Enter hex bitmask of cores to execute test app on" + echo " Example: to execute app on cores 0 to 7, enter 0xff" + echo -n "bitmask: " + read Bitmask + echo "Launching app" + sudo ${RTE_TARGET}/app/test -c $Bitmask $EAL_PARAMS +} + +# +# Run unit testpmd application. +# +run_testpmd_app() +{ + echo "" + echo " Enter hex bitmask of cores to execute testpmd app on" + echo " Example: to execute app on cores 0 to 7, enter 0xff" + echo -n "bitmask: " + read Bitmask + echo "Launching app" + sudo ${RTE_TARGET}/app/testpmd -c $Bitmask $EAL_PARAMS -- -i +} + +# +# Print hugepage information. +# +grep_meminfo() +{ + grep -i huge /proc/meminfo +} + +# +# Calls dpdk_nic_bind.py --status to show the NIC and what they +# are all bound to, in terms of drivers. +# +show_nics() +{ + if [ -d /sys/module/vfio_pci -o -d /sys/module/igb_uio ]; then + ${RTE_SDK}/tools/dpdk_nic_bind.py --status + else + echo "# Please load the 'igb_uio' or 'vfio-pci' kernel module before " + echo "# querying or adjusting NIC device bindings" + fi +} + +# +# Uses dpdk_nic_bind.py to move devices to work with vfio-pci +# +bind_nics_to_vfio() +{ + if [ -d /sys/module/vfio_pci ]; then + ${RTE_SDK}/tools/dpdk_nic_bind.py --status + echo "" + echo -n "Enter PCI address of device to bind to VFIO driver: " + read PCI_PATH + sudo ${RTE_SDK}/tools/dpdk_nic_bind.py -b vfio-pci $PCI_PATH && + echo "OK" + else + echo "# Please load the 'vfio-pci' kernel module before querying or " + echo "# adjusting NIC device bindings" + fi +} + +# +# Uses dpdk_nic_bind.py to move devices to work with igb_uio +# +bind_nics_to_igb_uio() +{ + if [ -d /sys/module/igb_uio ]; then + ${RTE_SDK}/tools/dpdk_nic_bind.py --status + echo "" + echo -n "Enter PCI address of device to bind to IGB UIO driver: " + read PCI_PATH + sudo ${RTE_SDK}/tools/dpdk_nic_bind.py -b igb_uio $PCI_PATH && echo "OK" + else + echo "# Please load the 'igb_uio' kernel module before querying or " + echo "# adjusting NIC device bindings" + fi +} + +# +# Uses dpdk_nic_bind.py to move devices to work with kernel drivers again +# +unbind_nics() +{ + ${RTE_SDK}/tools/dpdk_nic_bind.py --status + echo "" + echo -n "Enter PCI address of device to unbind: " + read PCI_PATH + echo "" + echo -n "Enter name of kernel driver to bind the device to: " + read DRV + sudo ${RTE_SDK}/tools/dpdk_nic_bind.py -b $DRV $PCI_PATH && echo "OK" +} + +# +# Options for building a target. Note that this step MUST be first as it sets +# up TARGETS[] starting from 1, and this is accessed in setup_target using the +# user entered option. +# +step1_func() +{ + TITLE="Select the DPDK environment to build" + CONFIG_NUM=1 + for cfg in config/defconfig_* ; do + cfg=${cfg/config\/defconfig_/} + TEXT[$CONFIG_NUM]="$cfg" + TARGETS[$CONFIG_NUM]=$cfg + FUNC[$CONFIG_NUM]="setup_target" + let "CONFIG_NUM+=1" + done +} + +# +# Options for setting up environment. +# +step2_func() +{ + TITLE="Setup linuxapp environment" + + TEXT[1]="Insert IGB UIO module" + FUNC[1]="load_igb_uio_module" + + TEXT[2]="Insert VFIO module" + FUNC[2]="load_vfio_module" + + TEXT[3]="Insert KNI module" + FUNC[3]="load_kni_module" + + TEXT[4]="Setup hugepage mappings for non-NUMA systems" + FUNC[4]="set_non_numa_pages" + + TEXT[5]="Setup hugepage mappings for NUMA systems" + FUNC[5]="set_numa_pages" + + TEXT[6]="Display current Ethernet device settings" + FUNC[6]="show_nics" + + TEXT[7]="Bind Ethernet device to IGB UIO module" + FUNC[7]="bind_nics_to_igb_uio" + + TEXT[8]="Bind Ethernet device to VFIO module" + FUNC[8]="bind_nics_to_vfio" + + TEXT[9]="Setup VFIO permissions" + FUNC[9]="set_vfio_permissions" +} + +# +# Options for running applications. +# +step3_func() +{ + TITLE="Run test application for linuxapp environment" + + TEXT[1]="Run test application (\$RTE_TARGET/app/test)" + FUNC[1]="run_test_app" + + TEXT[2]="Run testpmd application in interactive mode (\$RTE_TARGET/app/testpmd)" + FUNC[2]="run_testpmd_app" +} + +# +# Other options +# +step4_func() +{ + TITLE="Other tools" + + TEXT[1]="List hugepage info from /proc/meminfo" + FUNC[1]="grep_meminfo" + +} + +# +# Options for cleaning up the system +# +step5_func() +{ + TITLE="Uninstall and system cleanup" + + TEXT[1]="Unbind NICs from IGB UIO or VFIO driver" + FUNC[1]="unbind_nics" + + TEXT[2]="Remove IGB UIO module" + FUNC[2]="remove_igb_uio_module" + + TEXT[3]="Remove VFIO module" + FUNC[3]="remove_vfio_module" + + TEXT[4]="Remove KNI module" + FUNC[4]="remove_kni_module" + + TEXT[5]="Remove hugepage mappings" + FUNC[5]="clear_huge_pages" +} + +STEPS[1]="step1_func" +STEPS[2]="step2_func" +STEPS[3]="step3_func" +STEPS[4]="step4_func" +STEPS[5]="step5_func" + +QUIT=0 + +while [ "$QUIT" == "0" ]; do + OPTION_NUM=1 + + for s in $(seq ${#STEPS[@]}) ; do + ${STEPS[s]} + + echo "----------------------------------------------------------" + echo " Step $s: ${TITLE}" + echo "----------------------------------------------------------" + + for i in $(seq ${#TEXT[@]}) ; do + echo "[$OPTION_NUM] ${TEXT[i]}" + OPTIONS[$OPTION_NUM]=${FUNC[i]} + let "OPTION_NUM+=1" + done + + # Clear TEXT and FUNC arrays before next step + unset TEXT + unset FUNC + + echo "" + done + + echo "[$OPTION_NUM] Exit Script" + OPTIONS[$OPTION_NUM]="quit" + echo "" + echo -n "Option: " + read our_entry + echo "" + ${OPTIONS[our_entry]} ${our_entry} + + if [ "$QUIT" == "0" ] ; then + echo + echo -n "Press enter to continue ..."; read + fi + +done -- cgit 1.2.3-korg