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pci_info.py
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pci_info.py
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#!/usr/bin/env python3
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# See LICENSE for more details.
#
# Copyright: 2023 IBM
# Author: Narasimhan V <[email protected]>
# Author: Manvanthara Puttashankar <[email protected]>
from pprint import pprint
from lib import pci
import argparse
import shutil
import os
import sys
import configparser
from lib.logger import logger_init
from lib.helper import is_rhel8
BASE_PATH = os.path.dirname(os.path.abspath(__file__))
CONFIG_PATH = "%s/config/wrapper/pci_input.conf" % BASE_PATH
CONFIGFILE = configparser.SafeConfigParser()
CONFIGFILE.optionxform = str
CONFIGFILE.read(CONFIG_PATH)
BASE_INPUTFILE_PATH = "%s/config/inputs" % BASE_PATH
input_path = "io_input.txt"
INPUTFILE = configparser.ConfigParser()
INPUTFILE.optionxform = str
args = None
logger = logger_init(filepath=BASE_PATH).getlogger()
def create_config(pci_list):
"""
Creates avocado test suite / config file, and input file needed for yaml files in that config files.
"""
test_suites = []
input_file_string = ""
input_params = []
additional_params = args.add_params.split()
for pci in pci_list:
if pci['is_root_disk']:
logger.debug(
"ignoring pci address %s as it contains root disk", pci['pci_root'])
continue
# copy template cfg files and create new ones
cfg_name = "_".join(pci['pci_root'].split(':'))
if pci['adapter_type'] == 'nvmf' and is_rhel8():
orig_cfg = "io_%s_rhel8_fvt" % pci['adapter_type']
new_cfg = "io_%s_rhel8_%s_fvt" % (pci['adapter_type'], cfg_name)
inputfile = "%s/io_%s_rhel8_input.txt" % (
BASE_INPUTFILE_PATH, pci['adapter_type'])
else:
orig_cfg = "io_%s_fvt" % pci['adapter_type']
new_cfg = "io_%s_%s_fvt" % (pci['adapter_type'], cfg_name)
inputfile = "%s/io_%s_input.txt" % (
BASE_INPUTFILE_PATH, pci['adapter_type'])
if not os.path.exists("config/tests/host/%s.cfg" % orig_cfg):
logger.debug("ignoring pci address %s as there is no cfg for %s",
pci['pci_root'], pci['adapter_type'])
continue
shutil.copy("config/tests/host/%s.cfg" %
orig_cfg, "config/tests/host/%s.cfg" % new_cfg)
test_suites.append("host_%s" % new_cfg)
# adding info to input file
if not CONFIGFILE.has_section(orig_cfg) and not additional_params:
continue
input_params = CONFIGFILE.items(orig_cfg)
if not input_params:
continue
INPUTFILE.add_section(new_cfg)
# read the input file content and store in dict
inputfile_dict = {}
with open(inputfile, 'r') as file:
for line in file:
# Check if the line starts with '#' or '[' and skip it
if line.startswith('#') or line.startswith('['):
continue
# Split each line by '=' to separate key and value
parts = line.strip().split('=')
# Ensure there are exactly two parts (key and value)
if len(parts) == 2:
inputkey, inputvalue = parts[0].strip(), parts[1].strip()
inputfile_dict[inputkey] = inputvalue
# input params
for param in input_params:
try:
key = param[0]
if ':' not in param[1]:
value = pci[param[1]]
else:
index = param[1].split(':')[0]
index_exact = param[1].split(':')[1]
if index_exact == 'all':
value = " ".join(pci[index])
else:
value = pci[index][int(index_exact)]
if len(pci[index]) > 1 and not key == 'pci_device':
del pci[index][int(index_exact)]
# remove the duplicate inputfile enteries
if key in inputfile_dict:
del inputfile_dict[key]
INPUTFILE.set(new_cfg, key, "\"%s\"" % value)
except:
pass
# additional params
for param in additional_params:
key = param.split('=')[0]
# handling additional params per pci
if '::' in key:
pci_root = key.split('::')[0].split('.')[0]
if pci_root != pci['pci_root']:
continue
key = key.split('::')[1]
# check if the newly added additional param is same
# as inputfile assign the values directly
if key in inputfile_dict:
inputfile_dict[key] = param.split('=')[1]
else:
# if it is completly new then directly write to new input file
value = param.split('=')[1]
INPUTFILE.set(new_cfg, key, "\"%s\"" % value)
# append the remaining input file entries to the new input file
for inputkey, inputvalue in inputfile_dict.items():
INPUTFILE.set(new_cfg, inputkey, "%s" % inputvalue)
test_suites = ",".join(test_suites)
# write to input file
if input_params:
with open(input_path, 'w+') as input:
INPUTFILE.write(input)
input_file_string = "--input-file %s" % input_path
# generate avocado-setup command line
if test_suites:
cmd = "python avocado-setup.py --run-suite %s %s" % (
test_suites, input_file_string)
return cmd
return ""
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--pci-address', dest='pci_addr',
action='store', default='',
help='pci address, comma separated')
parser.add_argument('--pci-address-blocklist', dest='pci_addr_blocklist',
action='store', default='',
help='pci address which need not be considered, comma separated')
parser.add_argument('--type', dest='pci_type',
action='store', default='All',
help='type of adapters, comma separated')
parser.add_argument('--type-blocklist', dest='type_blocklist',
action='store', default='',
help='type of adapters to blocklist, comma separated')
parser.add_argument('--show-info', dest='show_info',
action='store_true', default=False,
help='Show the pci details')
parser.add_argument('--create-config', dest='create_cfg',
action='store_true', default=False,
help='Create test config and input files')
parser.add_argument('--run-test', dest='run_test',
action='store_true', default=False,
help='Run the test suite using created test config and input files')
parser.add_argument('--additional-params', dest='add_params',
action='store', default='',
help='Additional parameters(key=value) to the input file, space separated')
args = parser.parse_args()
if args.pci_addr:
pci_details = pci.pci_info(args.pci_addr, pci_type=args.pci_type,
pci_blocklist=args.pci_addr_blocklist, type_blocklist=args.type_blocklist)
else:
pci_details = pci.all_pci_info(
pci_type=args.pci_type, pci_blocklist=args.pci_addr_blocklist, type_blocklist=args.type_blocklist)
if not pci_details:
logger.info("No PCI Found")
sys.exit(0)
if args.show_info:
pprint(pci_details)
if args.create_cfg:
cmd = create_config(pci_details)
logger.info(cmd)
if args.run_test:
os.system(cmd)