kvargs: use SPDX tags

[dpdk.git] / usertools / dpdk-devbind.py

diff --git a/usertools/dpdk-devbind.py b/usertools/dpdk-devbind.py
index 7dc8e48..894b519 100755 (executable)
--- a/usertools/dpdk-devbind.py
+++ b/usertools/dpdk-devbind.py
@@ -1,35 +1,6 @@
 #! /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
@@ -49,8 +20,10 @@ 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]
+network_devices = [network_class, cavium_pkx]
 crypto_devices = [encryption_class, intel_processor_class]
 eventdev_devices = [cavium_sso]
 mempool_devices = [cavium_fpa]
@@ -161,12 +134,11 @@ def find_module(mod):
 
     # 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
 
@@ -203,8 +175,7 @@ def check_modules():
 
         # 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:
@@ -355,8 +326,7 @@ def device_type_match(dev, devices_type):
             # count must be the number of non None parameters to match
             if match_count == param_count:
                 return True
-            else:
-                return False
+    return False
 
 def dev_id_from_dev_name(dev_name):
     '''Take a device "name" - a string passed in by user to identify a NIC
@@ -518,6 +488,14 @@ def bind_one(dev_id, driver, force):
 
 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)
@@ -532,7 +510,7 @@ def bind_all(dev_list, driver, force=False):
     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