nvidia-container-toolkit/internal/platform-support/dgpu/dgpu.go
Evan Lezar fa16d83494 [no-relnotes] Add initial unit test for MIG CDI spec generation
Signed-off-by: Evan Lezar <elezar@nvidia.com>
2024-07-31 11:56:36 +02:00

68 lines
1.8 KiB
Go

/**
# Copyright 2024 NVIDIA CORPORATION
#
# 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 dgpu
import (
"github.com/NVIDIA/go-nvlib/pkg/nvlib/device"
"github.com/NVIDIA/nvidia-container-toolkit/internal/discover"
"github.com/NVIDIA/nvidia-container-toolkit/internal/logger"
"github.com/NVIDIA/nvidia-container-toolkit/internal/nvcaps"
)
// NewForDevice creates a discoverer for the specified Device.
func NewForDevice(d device.Device, opts ...Option) (discover.Discover, error) {
o := new(opts...)
return o.newNvmlDGPUDiscoverer(&toRequiredInfo{d})
}
// NewForDevice creates a discoverer for the specified device and its associated MIG device.
func NewForMigDevice(d device.Device, mig device.MigDevice, opts ...Option) (discover.Discover, error) {
o := new(opts...)
return o.newNvmlMigDiscoverer(
&toRequiredMigInfo{
MigDevice: mig,
parent: &toRequiredInfo{d},
},
)
}
func new(opts ...Option) *options {
o := &options{}
for _, opt := range opts {
opt(o)
}
if o.logger == nil {
o.logger = logger.New()
}
if o.migCaps == nil {
migCaps, err := nvcaps.NewMigCaps()
if err != nil {
o.logger.Debugf("ignoring error getting MIG capability device paths: %v", err)
o.migCapsError = err
} else {
o.migCaps = migCaps
}
}
return o
}