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# Copyright 2018 Intel, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Utils for FPGA driver.
"""
import glob
import re
VENDORS = ["intel"] # can extend, such as ["intel", "xilinx"]
SYS_FPGA_PATH = "/sys/class/fpga"
VENDORS_PATTERN = re.compile("|".join(["(%s)" % v for v in VENDORS]))
def discover_vendors():
vendors = set()
for p in glob.glob1(SYS_FPGA_PATH, "*"):
m = VENDORS_PATTERN.match(p)
if m:
vendors.add(m.group())
return list(vendors)
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