mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-28 15:03:23 +00:00
40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
|
/**
|
||
|
|
# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
|
||
|
|
#
|
||
|
|
# 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.
|
||
|
|
**/
|
||
|
|
|
||
|
|
package drm
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"path/filepath"
|
||
|
|
)
|
||
|
|
|
||
|
|
// GetDeviceNodesByBusID returns the DRM devices associated with the specified PCI bus ID
|
||
|
|
func GetDeviceNodesByBusID(busID string) ([]string, error) {
|
||
|
|
drmRoot := filepath.Join("/sys/bus/pci/devices", busID, "drm")
|
||
|
|
matches, err := filepath.Glob(fmt.Sprintf("%s/*", drmRoot))
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
var drmDeviceNodes []string
|
||
|
|
for _, m := range matches {
|
||
|
|
drmDeviceNode := filepath.Join("/dev/dri", filepath.Base(m))
|
||
|
|
drmDeviceNodes = append(drmDeviceNodes, drmDeviceNode)
|
||
|
|
}
|
||
|
|
|
||
|
|
return drmDeviceNodes, nil
|
||
|
|
}
|