57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
# Copyright 2018 Intel, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Cyborg Intel FPGA driver implementation.
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"""
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import subprocess
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from cyborg.accelerator.drivers.fpga.base import FPGADriver
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from cyborg.accelerator.drivers.fpga.intel import sysinfo
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class IntelFPGADriver(FPGADriver):
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"""Base class for FPGA drivers.
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This is just a virtual FPGA drivers interface.
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Vedor should implement their specific drivers.
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"""
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VENDOR = "intel"
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def __init__(self, *args, **kwargs):
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pass
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def discover(self):
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return sysinfo.fpga_tree()
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def program(self, device_path, image):
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bdf = ""
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path = sysinfo.find_pf_by_vf(device_path) if sysinfo.is_vf(
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device_path) else device_path
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if sysinfo.is_bdf(device_path):
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bdf = sysinfo.get_pf_bdf(device_path)
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else:
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bdf = sysinfo.get_bdf_by_path(path)
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bdfs = sysinfo.split_bdf(bdf)
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cmd = ["sudo", "/usr/bin/fpgaconf"]
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for i in zip(["-b", "-d", "-f"], bdfs):
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cmd.extend(i)
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cmd.append(image)
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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# FIXME Should log p.communicate(), p.stderr
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p.wait()
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return p.returncode
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