X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=usertools%2Fdpdk-devbind.py;h=bb00f43702ec7aa5cbde1822c2c184d077ac74e7;hb=84f5ac9418ea9995975b30fa4ea57018f9618fc1;hp=47373e27bd74d8967da6e9f2364fa2139d7db985;hpb=1bb98a9083bbf1aebcfdf343aed8746a04fa07af;p=dpdk.git diff --git a/usertools/dpdk-devbind.py b/usertools/dpdk-devbind.py index 47373e27bd..bb00f43702 100755 --- a/usertools/dpdk-devbind.py +++ b/usertools/dpdk-devbind.py @@ -7,6 +7,7 @@ import sys import os import subprocess import argparse +import platform from glob import glob from os.path import exists, basename @@ -44,7 +45,15 @@ octeontx2_dma = {'Class': '08', 'Vendor': '177d', 'Device': 'a081', 'SVendor': None, 'SDevice': None} octeontx2_ree = {'Class': '08', 'Vendor': '177d', 'Device': 'a0f4', 'SVendor': None, 'SDevice': None} +cnxk_bphy = {'Class': '08', 'Vendor': '177d', 'Device': 'a089', + 'SVendor': None, 'SDevice': None} +cnxk_bphy_cgx = {'Class': '08', 'Vendor': '177d', 'Device': 'a059,a060', + 'SVendor': None, 'SDevice': None} +cnxk_inl_dev = {'Class': '08', 'Vendor': '177d', 'Device': 'a0f0,a0f1', + 'SVendor': None, 'SDevice': None} +intel_dlb = {'Class': '0b', 'Vendor': '8086', 'Device': '270b,2710,2714', + 'SVendor': None, 'SDevice': None} intel_ioat_bdw = {'Class': '08', 'Vendor': '8086', 'Device': '6f20,6f21,6f22,6f23,6f24,6f25,6f26,6f27,6f2e,6f2f', 'SVendor': None, 'SDevice': None} @@ -62,13 +71,13 @@ intel_ntb_icx = {'Class': '06', 'Vendor': '8086', 'Device': '347e', network_devices = [network_class, cavium_pkx, avp_vnic, ifpga_class] baseband_devices = [acceleration_class] crypto_devices = [encryption_class, intel_processor_class] -eventdev_devices = [cavium_sso, cavium_tim, octeontx2_sso] +dma_devices = [intel_idxd_spr, intel_ioat_bdw, intel_ioat_icx, intel_ioat_skx] +eventdev_devices = [cavium_sso, cavium_tim, intel_dlb, octeontx2_sso] mempool_devices = [cavium_fpa, octeontx2_npa] compress_devices = [cavium_zip] regex_devices = [octeontx2_ree] -misc_devices = [intel_ioat_bdw, intel_ioat_skx, intel_ioat_icx, intel_idxd_spr, - intel_ntb_skx, intel_ntb_icx, - octeontx2_dma] +misc_devices = [cnxk_bphy, cnxk_bphy_cgx, cnxk_inl_dev, intel_ntb_skx, + intel_ntb_icx, octeontx2_dma] # global dict ethernet devices present. Dictionary indexed by PCI address. # Each device within this is itself a dictionary of device properties @@ -84,6 +93,7 @@ status_flag = False force_flag = False args = [] + # check if a specific kernel module is loaded def module_is_loaded(module): global loaded_modules @@ -107,7 +117,17 @@ def module_is_loaded(module): loaded_modules = sysfs_mods - return module in sysfs_mods + # add built-in modules as loaded + release = platform.uname().release + filename = os.path.join("/lib/modules/", release, "modules.builtin") + if os.path.exists(filename): + try: + with open(filename) as f: + loaded_modules += [os.path.splitext(os.path.basename(mod))[0] for mod in f] + except IOError: + print("Warning: cannot read list of built-in kernel modules") + + return module in loaded_modules def check_modules(): @@ -161,11 +181,13 @@ def get_pci_device_details(dev_id, probe_lspci): return device + def clear_data(): '''This function clears any old data''' global devices devices = {} + def get_device_details(devices_type): '''This function populates the "devices" dictionary. The keys used are the pci addresses (domain:bus:slot.func). The values are themselves @@ -211,7 +233,7 @@ def get_device_details(devices_type): rt_info = route.split() for i in range(len(rt_info) - 1): if rt_info[i] == "dev": - ssh_if.append(rt_info[i+1]) + ssh_if.append(rt_info[i + 1]) # based on the basic info, get extended text details for d in devices.keys(): @@ -265,6 +287,7 @@ def device_type_match(dev, devices_type): 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 @@ -304,9 +327,9 @@ def unbind_one(dev_id, force): filename = "/sys/bus/pci/drivers/%s/unbind" % dev["Driver_str"] try: f = open(filename, "a") - except: - sys.exit("Error: unbind failed for %s - Cannot open %s" % - (dev_id, filename)) + except OSError as err: + sys.exit("Error: unbind failed for %s - Cannot open %s: %s" % + (dev_id, filename, err)) f.write(dev_id) f.close() @@ -344,58 +367,58 @@ def bind_one(dev_id, driver, force): if exists(filename): try: f = open(filename, "w") - except: - print("Error: bind failed for %s - Cannot open %s" - % (dev_id, filename), file=sys.stderr) + except OSError as err: + print("Error: bind failed for %s - Cannot open %s: %s" + % (dev_id, filename, err), file=sys.stderr) return try: f.write("%s" % driver) f.close() - except: + except OSError as err: print("Error: bind failed for %s - Cannot write driver %s to " - "PCI ID " % (dev_id, driver), file=sys.stderr) + "PCI ID: %s" % (dev_id, driver, err), file=sys.stderr) return # For kernels < 3.15 use new_id to add PCI id's to the driver else: 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), file=sys.stderr) + except OSError as err: + print("Error: bind failed for %s - Cannot open %s: %s" + % (dev_id, filename, err), file=sys.stderr) return try: # 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: + except OSError as err: print("Error: bind failed for %s - Cannot write new PCI ID to " - "driver %s" % (dev_id, driver), file=sys.stderr) + "driver %s: %s" % (dev_id, driver, err), file=sys.stderr) 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), file=sys.stderr) + except OSError as err: + print("Error: bind failed for %s - Cannot open %s: %s" + % (dev_id, filename, err), file=sys.stderr) 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: + except OSError as err: # 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, True) 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), file=sys.stderr) + print("Error: bind failed for %s - Cannot bind to driver %s: %s" + % (dev_id, driver, err), file=sys.stderr) if saved_driver is not None: # restore any previous driver bind_one(dev_id, saved_driver, force) return @@ -407,15 +430,15 @@ def bind_one(dev_id, driver, force): if exists(filename): try: f = open(filename, "w") - except: - sys.exit("Error: unbind failed for %s - Cannot open %s" - % (dev_id, filename)) + except OSError as err: + sys.exit("Error: unbind failed for %s - Cannot open %s: %s" + % (dev_id, filename, err)) try: f.write("\00") f.close() - except: - sys.exit("Error: unbind failed for %s - Cannot open %s" - % (dev_id, filename)) + except OSError as err: + sys.exit("Error: unbind failed for %s - Cannot write %s: %s" + % (dev_id, filename, err)) def unbind_all(dev_list, force=False): @@ -449,7 +472,7 @@ def bind_all(dev_list, driver, force=False): dev_id_from_dev_name(driver) # if we've made it this far, this means that the "driver" was a valid # device string, so it's probably not a valid driver name. - sys.exit("Error: Driver '%s' does not look like a valid driver. " \ + sys.exit("Error: Driver '%s' does not look like a valid driver. " "Did you forget to specify the driver to bind devices to?" % driver) except ValueError: # driver generated error - it's not a valid device ID, so all is well @@ -479,8 +502,8 @@ def bind_all(dev_list, driver, force=False): continue # update information about this device - devices[d] = dict(devices[d].items() + - get_pci_device_details(d, True).items()) + devices[d] = dict(devices[d].items() + + get_pci_device_details(d, True).items()) # check if updated information indicates that the device was bound if "Driver_str" in devices[d]: @@ -494,7 +517,7 @@ def display_devices(title, dev_list, extra_params=None): device's dictionary.''' strings = [] # this holds the strings to print. We sort before printing print("\n%s" % title) - print("="*len(title)) + print("=" * len(title)) if not dev_list: strings.append("") else: @@ -510,6 +533,7 @@ def display_devices(title, dev_list, extra_params=None): strings.sort() print("\n".join(strings)) # print one per line + def show_device_status(devices_type, device_name, if_field=False): global dpdk_drivers kernel_drv = [] @@ -552,33 +576,37 @@ def show_device_status(devices_type, device_name, if_field=False): 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''' - if status_dev == "net" or status_dev == "all": + if status_dev in ["net", "all"]: show_device_status(network_devices, "Network", if_field=True) - if status_dev == "baseband" or status_dev == "all": + if status_dev in ["baseband", "all"]: show_device_status(baseband_devices, "Baseband") - if status_dev == "crypto" or status_dev == "all": + if status_dev in ["crypto", "all"]: show_device_status(crypto_devices, "Crypto") - if status_dev == "event" or status_dev == "all": + if status_dev in ["dma", "all"]: + show_device_status(dma_devices, "DMA") + + if status_dev in ["event", "all"]: show_device_status(eventdev_devices, "Eventdev") - if status_dev == "mempool" or status_dev == "all": + if status_dev in ["mempool", "all"]: show_device_status(mempool_devices, "Mempool") - if status_dev == "compress" or status_dev == "all": + if status_dev in ["compress", "all"]: show_device_status(compress_devices, "Compress") - if status_dev == "misc" or status_dev == "all": + if status_dev in ["misc", "all"]: show_device_status(misc_devices, "Misc (rawdev)") - if status_dev == "regex" or status_dev == "all": + if status_dev in ["regex", "all"]: show_device_status(regex_devices, "Regex") @@ -634,7 +662,8 @@ To bind 0000:02:00.0 and 0000:02:00.1 to the ixgbe kernel driver parser.add_argument( '--status-dev', help="Print the status of given device group.", - choices=['net', 'baseband', 'crypto', 'event', 'mempool', 'compress']) + choices=['baseband', 'compress', 'crypto', 'dma', 'event', + 'mempool', 'misc', 'net', 'regex']) bind_group = parser.add_mutually_exclusive_group() bind_group.add_argument( '-b', @@ -696,6 +725,7 @@ For devices bound to Linux kernel drivers, they may be referred to by interface new_args.extend(pci_glob(arg)) args = new_args + def do_arg_actions(): '''do the actual action requested by the user''' global b_flag @@ -703,7 +733,7 @@ def do_arg_actions(): global force_flag global args - if b_flag == "none" or b_flag == "None": + if b_flag in ["none", "None"]: unbind_all(args, force_flag) elif b_flag is not None: bind_all(args, b_flag, force_flag) @@ -714,6 +744,7 @@ def do_arg_actions(): get_device_details(network_devices) get_device_details(baseband_devices) get_device_details(crypto_devices) + get_device_details(dma_devices) get_device_details(eventdev_devices) get_device_details(mempool_devices) get_device_details(compress_devices) @@ -736,6 +767,7 @@ def main(): get_device_details(network_devices) get_device_details(baseband_devices) get_device_details(crypto_devices) + get_device_details(dma_devices) get_device_details(eventdev_devices) get_device_details(mempool_devices) get_device_details(compress_devices) @@ -743,5 +775,6 @@ def main(): get_device_details(misc_devices) do_arg_actions() + if __name__ == "__main__": main()