#! /usr/bin/env 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.
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
#
import sys
import subprocess
from os.path import exists, abspath, dirname, basename
-# The PCI base class for NETWORK devices
-NETWORK_BASE_CLASS = "02"
-CRYPTO_BASE_CLASS = "0b"
+# The PCI base class for all devices
+network_class = {'Class': '02', 'Vendor': None, 'Device': None,
+ 'SVendor': None, 'SDevice': None}
+encryption_class = {'Class': '10', 'Vendor': None, 'Device': None,
+ 'SVendor': None, 'SDevice': None}
+intel_processor_class = {'Class': '0b', 'Vendor': '8086', 'Device': None,
+ 'SVendor': None, 'SDevice': None}
+cavium_sso = {'Class': '08', 'Vendor': '177d', 'Device': 'a04b,a04d',
+ 'SVendor': None, 'SDevice': None}
+cavium_fpa = {'Class': '08', 'Vendor': '177d', 'Device': 'a053',
+ 'SVendor': None, 'SDevice': None}
+cavium_pkx = {'Class': '08', 'Vendor': '177d', 'Device': 'a0dd,a049',
+ 'SVendor': None, 'SDevice': None}
+
+network_devices = [network_class, cavium_pkx]
+crypto_devices = [encryption_class, intel_processor_class]
+eventdev_devices = [cavium_sso]
+mempool_devices = [cavium_fpa]
# global dict ethernet devices present. Dictionary indexed by PCI address.
# Each device within this is itself a dictionary of device properties
Display usage information and quit
-s, --status:
- Print the current status of all known network and crypto devices.
+ Print the current status of all known network, crypto, event
+ and mempool devices.
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
status display will always occur after the other operations have taken
place.
+ --status-dev:
+ Print the status of given device group. Supported device groups are:
+ "net", "crypto", "event" and "mempool"
+
-b driver, --bind=driver:
Select the driver to use or \"none\" to unbind the device
To display current device status:
%(argv0)s --status
+To display current network device status:
+ %(argv0)s --status-dev net
+
To bind eth1 from the current driver and move to use igb_uio
%(argv0)s --bind=igb_uio eth1
# 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
+ with open(os.devnull, "w") as fnull:
+ path = check_output(["modinfo", "-n", mod], stderr=fnull).strip()
+
+ if path and exists(path):
+ return path
except: # if modinfo can't find module, it fails, so continue
pass
# 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)
+ sysfs_mods = [a if a != 'vfio_pci' else 'vfio-pci' for a in sysfs_mods]
for mod in mods:
if mod["Name"] in sysfs_mods:
dev_lines = check_output(["lspci", "-Dvmmnnk"]).splitlines()
for dev_line in dev_lines:
if len(dev_line) == 0:
- if dev["Class"][0:2] == devices_type:
- # convert device and vendor ids to numbers, then add to global
- dev["Vendor"] = int(dev["Vendor"], 16)
- dev["Device"] = int(dev["Device"], 16)
+ if device_type_match(dev, devices_type):
+ # Replace "Driver" with "Driver_str" to have consistency of
+ # of dictionary key names
if "Driver" in dev.keys():
dev["Driver_str"] = dev.pop("Driver")
# use dict to make copy of dev
dev[name.rstrip(":")] = value_list[len(value_list) - 1] \
.rstrip("]").lstrip("[")
- if devices_type == NETWORK_BASE_CLASS:
+ if devices_type == network_devices:
# check what is the interface if any for an ssh connection if
# any to this host, so we can mark it later.
ssh_if = []
# based on the basic info, get extended text details
for d in devices.keys():
- if devices[d]["Class"][0:2] != devices_type:
+ if not device_type_match(devices[d], devices_type):
continue
# get additional info and add it to existing data
# No need to probe lspci
devices[d].update(get_pci_device_details(d, False).items())
- if devices_type == NETWORK_BASE_CLASS:
+ if devices_type == network_devices:
for _if in ssh_if:
if _if in devices[d]["Interface"].split(","):
devices[d]["Ssh_if"] = True
devices[d]["Module_str"] = ",".join(modules)
+def device_type_match(dev, devices_type):
+ for i in range(len(devices_type)):
+ param_count = len(
+ [x for x in devices_type[i].values() if x is not None])
+ match_count = 0
+ if dev["Class"][0:2] == devices_type[i]["Class"]:
+ match_count = match_count + 1
+ for key in devices_type[i].keys():
+ if key != 'Class' and devices_type[i][key]:
+ value_list = devices_type[i][key].split(',')
+ for value in value_list:
+ if value.strip(' ') == dev[key]:
+ match_count = match_count + 1
+ # count must be the number of non None parameters to match
+ if match_count == param_count:
+ return True
+ return False
+
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
"Skipping unbind" % (dev_id))
return
- # For kernels > 3.15 driver_override is used to bind a device to a driver.
- # Before unbinding it, overwrite driver_override with empty string so that
- # the device can be bound to any other driver
- filename = "/sys/bus/pci/devices/%s/driver_override" % dev_id
- if os.path.exists(filename):
- try:
- f = open(filename, "w")
- except:
- print("Error: unbind failed for %s - Cannot open %s"
- % (dev_id, filename))
- sys.exit(1)
- try:
- f.write("\00")
- f.close()
- except:
- print("Error: unbind failed for %s - Cannot open %s"
- % (dev_id, filename))
- sys.exit(1)
-
# write to /sys to unbind
filename = "/sys/bus/pci/drivers/%s/unbind" % dev["Driver_str"]
try:
% (dev_id, filename))
return
try:
- f.write("%04x %04x" % (dev["Vendor"], dev["Device"]))
+ # Convert Device and Vendor Id to int to write to new_id
+ f.write("%04x %04x" % (int(dev["Vendor"],16),
+ int(dev["Device"], 16)))
f.close()
except:
print("Error: bind failed for %s - Cannot write new PCI ID to "
bind_one(dev_id, saved_driver, force)
return
+ # For kernels > 3.15 driver_override is used to bind a device to a driver.
+ # Before unbinding it, overwrite driver_override with empty string so that
+ # the device can be bound to any other driver
+ filename = "/sys/bus/pci/devices/%s/driver_override" % dev_id
+ if os.path.exists(filename):
+ try:
+ f = open(filename, "w")
+ except:
+ print("Error: unbind failed for %s - Cannot open %s"
+ % (dev_id, filename))
+ sys.exit(1)
+ try:
+ f.write("\00")
+ f.close()
+ except:
+ print("Error: unbind failed for %s - Cannot open %s"
+ % (dev_id, filename))
+ sys.exit(1)
+
def unbind_all(dev_list, force=False):
"""Unbind method, takes a list of device locations"""
+
+ if dev_list[0] == "dpdk":
+ for d in devices.keys():
+ if "Driver_str" in devices[d]:
+ if devices[d]["Driver_str"] in dpdk_drivers:
+ unbind_one(devices[d]["Slot"], force)
+ return
+
dev_list = map(dev_id_from_dev_name, dev_list)
for d in dev_list:
unbind_one(d, force)
for d in dev_list:
bind_one(d, driver, force)
- # For kenels < 3.15 when binding devices to a generic driver
+ # For kernels < 3.15 when binding devices to a generic driver
# (i.e. one that doesn't have a PCI ID table) using new_id, 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
# split our list of network devices into the three categories above
for d in devices.keys():
- if devices_type in devices[d]["Class"]:
+ if device_type_match(devices[d], devices_type):
if not has_driver(d):
no_drv.append(devices[d])
continue
kernel_drv.append(devices[d])
# print each category separately, so we can clearly see what's used by DPDK
- display_devices("%s devices using DPDK-compatible driver" % device_name, dpdk_drv,
- "drv=%(Driver_str)s unused=%(Module_str)s")
+ display_devices("%s devices using DPDK-compatible driver" % device_name,
+ dpdk_drv, "drv=%(Driver_str)s unused=%(Module_str)s")
display_devices("%s devices using kernel driver" % device_name, kernel_drv,
"if=%(Interface)s drv=%(Driver_str)s "
"unused=%(Module_str)s %(Active)s")
- display_devices("Other %s devices" % device_name, no_drv, "unused=%(Module_str)s")
+ display_devices("Other %s devices" % device_name, no_drv,
+ "unused=%(Module_str)s")
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'''
- show_device_status(network_devices, "Network")
- show_device_status(crypto_devices, "Crypto")
+ if status_dev == "net" or status_dev == "all":
+ show_device_status(network_devices, "Network")
+
+ if status_dev == "crypto" or status_dev == "all":
+ show_device_status(crypto_devices, "Crypto")
+
+ if status_dev == "event" or status_dev == "all":
+ show_device_status(eventdev_devices, "Eventdev")
+
+ if status_dev == "mempool" or status_dev == "all":
+ show_device_status(mempool_devices, "Mempool")
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 status_dev
global force_flag
global args
if len(sys.argv) <= 1:
try:
opts, args = getopt.getopt(sys.argv[1:], "b:us",
- ["help", "usage", "status", "force",
- "bind=", "unbind"])
+ ["help", "usage", "status", "status-dev=",
+ "force", "bind=", "unbind", ])
except getopt.GetoptError as error:
print(str(error))
print("Run '%s --usage' for further information" % sys.argv[0])
if opt == "--help" or opt == "--usage":
usage()
sys.exit(0)
+ if opt == "--status-dev":
+ status_flag = True
+ status_dev = arg
if opt == "--status" or opt == "-s":
status_flag = True
+ status_dev = "all"
if opt == "--force":
force_flag = True
if opt == "-b" or opt == "-u" or opt == "--bind" or opt == "--unbind":
if status_flag:
if b_flag is not None:
clear_data()
- get_device_details(NETWORK_BASE_CLASS) # refresh if we have changed anything
- get_device_details(CRYPTO_BASE_CLASS) # refresh if we have changed anything
+ # refresh if we have changed anything
+ get_device_details(network_devices)
+ get_device_details(crypto_devices)
+ get_device_details(eventdev_devices)
+ get_device_details(mempool_devices)
show_status()
parse_args()
check_modules()
clear_data()
- get_device_details(NETWORK_BASE_CLASS)
- get_device_details(CRYPTO_BASE_CLASS)
+ get_device_details(network_devices)
+ get_device_details(crypto_devices)
+ get_device_details(eventdev_devices)
+ get_device_details(mempool_devices)
do_arg_actions()
if __name__ == "__main__":
git.droids-corp.org / dpdk.git / blobdiff