mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-12-02 09:04:54 +00:00
54 lines
1.6 KiB
Go
54 lines
1.6 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 discover
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/NVIDIA/nvidia-container-toolkit/internal/lookup"
|
||
|
|
"github.com/sirupsen/logrus"
|
||
|
|
)
|
||
|
|
|
||
|
|
type mofedDeviceDiscoverer mounts
|
||
|
|
|
||
|
|
// NewMOFEDDiscoverer creates a discoverer for MOFED devices.
|
||
|
|
func NewMOFEDDiscoverer(logger *logrus.Logger, root string) (Discover, error) {
|
||
|
|
devices := &mofedDeviceDiscoverer{
|
||
|
|
logger: logger,
|
||
|
|
lookup: lookup.NewCharDeviceLocator(logger, root),
|
||
|
|
required: []string{
|
||
|
|
"/dev/infiniband/uverbs*",
|
||
|
|
"/dev/infiniband/rdma_cm",
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
return devices, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Devices discovers the uverbs* and rdma_cm device nodes for use with GPUDirect Storage and the MOFED stack.
|
||
|
|
func (d *mofedDeviceDiscoverer) Devices() ([]Device, error) {
|
||
|
|
devicesAsMounts, err := (*mounts)(d).Mounts()
|
||
|
|
if err != nil {
|
||
|
|
d.logger.Debugf("Could not locate MOFED devices: %v", err)
|
||
|
|
return nil, nil
|
||
|
|
}
|
||
|
|
var devices []Device
|
||
|
|
for _, mount := range devicesAsMounts {
|
||
|
|
devices = append(devices, Device(mount))
|
||
|
|
}
|
||
|
|
|
||
|
|
return devices, nil
|
||
|
|
}
|