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Merge pull request #41 from elezar/add-get-pci-busid

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Add function to get the PCI bus ID for a device
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Evan Lezar 2024-06-17 14:58:43 +02:00 committed by GitHub
commit a408243ef1
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1 changed files with 25 additions and 0 deletions
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25
pkg/nvlib/device/device.go
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@ -18,6 +18,7 @@ package device
import (
"fmt"
"strings"
"github.com/NVIDIA/go-nvml/pkg/nvml"
)
@ -30,6 +31,7 @@ type Device interface {
GetCudaComputeCapabilityAsString() (string, error)
GetMigDevices() ([]MigDevice, error)
GetMigProfiles() ([]MigProfile, error)
GetPCIBusID() (string, error)
IsMigCapable() (bool, error)
IsMigEnabled() (bool, error)
VisitMigDevices(func(j int, m MigDevice) error) error
@ -140,6 +142,29 @@ func (d *device) GetBrandAsString() (string, error) {
return "", fmt.Errorf("error interpreting device brand as string: %v", brand)
}
// GetPCIBusID returns the string representation of the bus ID.
func (d *device) GetPCIBusID() (string, error) {
info, ret := d.GetPciInfo()
if ret != nvml.SUCCESS {
return "", fmt.Errorf("error getting PCI info: %w", ret)
}
var bytes []byte
for _, b := range info.BusId {
if byte(b) == '\x00' {
break
}
bytes = append(bytes, byte(b))
}
id := strings.ToLower(string(bytes))
if id != "0000" {
id = strings.TrimPrefix(id, "0000")
}
return id, nil
}
// GetCudaComputeCapabilityAsString returns the Device's CUDA compute capability as a version string.
func (d *device) GetCudaComputeCapabilityAsString() (string, error) {
major, minor, ret := d.GetCudaComputeCapability()