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Signed-off-by: Vishesh Tanksale <vtanksale@nvidia.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /** | ||
| # Copyright (c) 2024, 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 resource | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/NVIDIA/go-nvlib/pkg/nvpci" | ||
| ) | ||
|
|
||
| type vfioDevice struct { | ||
| nvidiaPCIDevice *nvpci.NvidiaPCIDevice | ||
| } | ||
|
|
||
| // GetMigDevices returns the list of MIG devices configured on this device | ||
| func (d vfioDevice) GetMigDevices() ([]Device, error) { | ||
| return nil, nil | ||
| } | ||
|
|
||
| // GetCudaComputeCapability is not supported for GPU devices with vfio pci driver. | ||
| func (d vfioDevice) GetCudaComputeCapability() (int, int, error) { | ||
| return -1, -1, nil | ||
| } | ||
|
|
||
| // GetAttributes is only supported for MIG devices. | ||
| func (d vfioDevice) GetAttributes() (map[string]interface{}, error) { | ||
| return nil, fmt.Errorf("GetAttributes is not supported for non-MIG devices") | ||
| } | ||
|
|
||
| // GetDeviceHandleFromMigDeviceHandle is only supported for MIG devices | ||
| func (d vfioDevice) GetDeviceHandleFromMigDeviceHandle() (Device, error) { | ||
| return nil, fmt.Errorf("GetDeviceHandleFromMigDeviceHandle is not supported for non-MIG devices") | ||
| } | ||
|
|
||
| // GetName returns the device name / model. | ||
| func (d vfioDevice) GetName() (string, error) { | ||
| return d.nvidiaPCIDevice.DeviceName, nil | ||
| } | ||
|
|
||
| // GetTotalMemoryMB returns the total memory on a device in MB | ||
| func (d vfioDevice) GetTotalMemoryMB() (uint64, error) { | ||
| _, val := d.nvidiaPCIDevice.Resources.GetTotalAddressableMemory(true) | ||
| return val, nil | ||
| } | ||
|
|
||
| func (d vfioDevice) IsMigEnabled() (bool, error) { | ||
| return false, nil | ||
| } | ||
|
|
||
| func (d vfioDevice) IsMigCapable() (bool, error) { | ||
| return false, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /** | ||
| # Copyright (c) 2024, 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 resource | ||
|
|
||
| import ( | ||
| "github.com/NVIDIA/go-nvlib/pkg/nvpci" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
|
|
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| type vfioLib struct { | ||
| nvpcilib nvpci.Interface | ||
| } | ||
|
|
||
| // NewVfioManager returns an resource manger for devices with VFIO PCI driver | ||
| func NewVfioManager() Manager { | ||
| nvpcilib := nvpci.New() | ||
| manager := vfioLib{ | ||
| nvpcilib: nvpcilib, | ||
| } | ||
| return &manager | ||
| } | ||
|
|
||
| // Init is a no-op for the vfio manager | ||
| func (l *vfioLib) Init() error { | ||
| return nil | ||
| } | ||
|
|
||
| // Shutdown is a no-op for the vfio manager | ||
| func (l *vfioLib) Shutdown() (err error) { | ||
| return nil | ||
| } | ||
|
|
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| // GetDevices returns the devices with VFIO PCI driver available on the system | ||
| func (l *vfioLib) GetDevices() ([]Device, error) { | ||
| var devices []Device | ||
| nvdevices, err := l.nvpcilib.GetGPUs() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| for _, dev := range nvdevices { | ||
| if dev.Driver == "vfio-pci" { | ||
| vfioDev := vfioDevice{dev} | ||
| devices = append(devices, vfioDev) | ||
| } else { | ||
| klog.Infof("Device not bound to 'vfio-pci'; device: %s driver: '%s'", dev.Address, dev.Driver) | ||
| } | ||
| } | ||
| return devices, nil | ||
| } | ||
|
|
||
| // GetCudaDriverVersion is not supported | ||
| func (l *vfioLib) GetCudaDriverVersion() (*uint, *uint, error) { | ||
| unknown := uint(0) | ||
| return &unknown, &unknown, nil | ||
| } | ||
|
|
||
| // GetDriverVersion is not supported | ||
| func (l *vfioLib) GetDriverVersion() (string, error) { | ||
| return "unknown.unknown.unknown", nil | ||
| } |
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vendor/github.com/NVIDIA/go-nvlib/pkg/nvpci/bytes/bytes.go
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