'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]
+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:
# 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
"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:
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
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")
- show_device_status(eventdev_devices, "Eventdev")
+ 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":
get_device_details(network_devices)
get_device_details(crypto_devices)
get_device_details(eventdev_devices)
+ get_device_details(mempool_devices)
show_status()
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