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Rename root to driverRoot for CDI generation

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This makes the intent of the command line argument clearer since this
relates specifically to the root where the NVIDIA driver is installed.

Signed-off-by: Evan Lezar <elezar@nvidia.com>
This commit is contained in:
Evan Lezar 2023-02-02 15:42:01 +01:00
parent 03cdf3b5d7
commit cfa2647260
7 changed files with 50 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
cmd/nvidia-ctk/cdi/generate/common.go
View File

@ -27,14 +27,14 @@ import (
// NewCommonDiscoverer returns a discoverer for entities that are not associated with a specific CDI device.
// This includes driver libraries and meta devices, for example.
func NewCommonDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPath string, nvmllib nvml.Interface) (discover.Discover, error) {
func NewCommonDiscoverer(logger *logrus.Logger, driverRoot string, nvidiaCTKPath string, nvmllib nvml.Interface) (discover.Discover, error) {
metaDevices := discover.NewDeviceDiscoverer(
logger,
lookup.NewCharDeviceLocator(
lookup.WithLogger(logger),
lookup.WithRoot(root),
lookup.WithRoot(driverRoot),
),
root,
driverRoot,
[]string{
"/dev/nvidia-modeset",
"/dev/nvidia-uvm-tools",
@ -43,12 +43,12 @@ func NewCommonDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPath strin
},
)
graphicsMounts, err := discover.NewGraphicsMountsDiscoverer(logger, root)
graphicsMounts, err := discover.NewGraphicsMountsDiscoverer(logger, driverRoot)
if err != nil {
return nil, fmt.Errorf("error constructing discoverer for graphics mounts: %v", err)
}
driverFiles, err := NewDriverDiscoverer(logger, root, nvidiaCTKPath, nvmllib)
driverFiles, err := NewDriverDiscoverer(logger, driverRoot, nvidiaCTKPath, nvmllib)
if err != nil {
return nil, fmt.Errorf("failed to create discoverer for driver files: %v", err)
}

6
cmd/nvidia-ctk/cdi/generate/device-folder-permissions.go
View File

@ -26,7 +26,7 @@ import (
type deviceFolderPermissions struct {
logger *logrus.Logger
root string
driverRoot string
nvidiaCTKPath string
folders []string
}
@ -39,7 +39,7 @@ var _ discover.Discover = (*deviceFolderPermissions)(nil)
// The nested devices that are applicable to the NVIDIA GPU devices are:
// - DRM devices at /dev/dri/*
// - NVIDIA Caps devices at /dev/nvidia-caps/*
func NewDeviceFolderPermissionHookDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPath string, deviceSpecs []specs.Device) (discover.Discover, error) {
func NewDeviceFolderPermissionHookDiscoverer(logger *logrus.Logger, driverRoot string, nvidiaCTKPath string, deviceSpecs []specs.Device) (discover.Discover, error) {
var folders []string
seen := make(map[string]bool)
for _, device := range deviceSpecs {
@ -66,7 +66,7 @@ func NewDeviceFolderPermissionHookDiscoverer(logger *logrus.Logger, root string,
d := &deviceFolderPermissions{
logger: logger,
root: root,
driverRoot: driverRoot,
nvidiaCTKPath: nvidiaCTKPath,
folders: folders,
}

40
cmd/nvidia-ctk/cdi/generate/driver.go
View File

@ -30,20 +30,20 @@ import (
// NewDriverDiscoverer creates a discoverer for the libraries and binaries associated with a driver installation.
// The supplied NVML Library is used to query the expected driver version.
func NewDriverDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPath string, nvmllib nvml.Interface) (discover.Discover, error) {
func NewDriverDiscoverer(logger *logrus.Logger, driverRoot string, nvidiaCTKPath string, nvmllib nvml.Interface) (discover.Discover, error) {
version, r := nvmllib.SystemGetDriverVersion()
if r != nvml.SUCCESS {
return nil, fmt.Errorf("failed to determine driver version: %v", r)
}
libraries, err := NewDriverLibraryDiscoverer(logger, root, nvidiaCTKPath, version)
libraries, err := NewDriverLibraryDiscoverer(logger, driverRoot, nvidiaCTKPath, version)
if err != nil {
return nil, fmt.Errorf("failed to create discoverer for driver libraries: %v", err)
}
firmwares := NewDriverFirmwareDiscoverer(logger, root, version)
firmwares := NewDriverFirmwareDiscoverer(logger, driverRoot, version)
binaries := NewDriverBinariesDiscoverer(logger, root)
binaries := NewDriverBinariesDiscoverer(logger, driverRoot)
d := discover.Merge(
libraries,
@ -55,8 +55,8 @@ func NewDriverDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPath strin
}
// NewDriverLibraryDiscoverer creates a discoverer for the libraries associated with the specified driver version.
func NewDriverLibraryDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPath string, version string) (discover.Discover, error) {
libraryPaths, err := getVersionLibs(logger, root, version)
func NewDriverLibraryDiscoverer(logger *logrus.Logger, driverRoot string, nvidiaCTKPath string, version string) (discover.Discover, error) {
libraryPaths, err := getVersionLibs(logger, driverRoot, version)
if err != nil {
return nil, fmt.Errorf("failed to get libraries for driver version: %v", err)
}
@ -65,14 +65,14 @@ func NewDriverLibraryDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPat
logger,
lookup.NewFileLocator(
lookup.WithLogger(logger),
lookup.WithRoot(root),
lookup.WithRoot(driverRoot),
),
root,
driverRoot,
libraryPaths,
)
cfg := &discover.Config{
Root: root,
Root: driverRoot,
NvidiaCTKPath: nvidiaCTKPath,
}
hooks, _ := discover.NewLDCacheUpdateHook(logger, libraries, cfg)
@ -86,25 +86,25 @@ func NewDriverLibraryDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPat
}
// NewDriverFirmwareDiscoverer creates a discoverer for GSP firmware associated with the specified driver version.
func NewDriverFirmwareDiscoverer(logger *logrus.Logger, root string, version string) discover.Discover {
func NewDriverFirmwareDiscoverer(logger *logrus.Logger, driverRoot string, version string) discover.Discover {
gspFirmwarePath := filepath.Join("/lib/firmware/nvidia", version, "gsp.bin")
return discover.NewMounts(
logger,
lookup.NewFileLocator(
lookup.WithLogger(logger),
lookup.WithRoot(root),
lookup.WithRoot(driverRoot),
),
root,
driverRoot,
[]string{gspFirmwarePath},
)
}
// NewDriverBinariesDiscoverer creates a discoverer for GSP firmware associated with the GPU driver.
func NewDriverBinariesDiscoverer(logger *logrus.Logger, root string) discover.Discover {
func NewDriverBinariesDiscoverer(logger *logrus.Logger, driverRoot string) discover.Discover {
return discover.NewMounts(
logger,
lookup.NewExecutableLocator(logger, root),
root,
lookup.NewExecutableLocator(logger, driverRoot),
driverRoot,
[]string{
"nvidia-smi", /* System management interface */
"nvidia-debugdump", /* GPU coredump utility */
@ -116,12 +116,12 @@ func NewDriverBinariesDiscoverer(logger *logrus.Logger, root string) discover.Di
}
// getVersionLibs checks the LDCache for libraries ending in the specified driver version.
// Although the ldcache at the specified root is queried, the paths are returned relative to this root.
// Although the ldcache at the specified driverRoot is queried, the paths are returned relative to this driverRoot.
// This allows the standard mount location logic to be used for resolving the mounts.
func getVersionLibs(logger *logrus.Logger, root string, version string) ([]string, error) {
func getVersionLibs(logger *logrus.Logger, driverRoot string, version string) ([]string, error) {
logger.Infof("Using driver version %v", version)
cache, err := ldcache.New(logger, root)
cache, err := ldcache.New(logger, driverRoot)
if err != nil {
return nil, fmt.Errorf("failed to load ldcache: %v", err)
}
@ -143,13 +143,13 @@ func getVersionLibs(logger *logrus.Logger, root string, version string) ([]strin
}
}
if root == "/" || root == "" {
if driverRoot == "/" || driverRoot == "" {
return libs, nil
}
var relative []string
for _, l := range libs {
relative = append(relative, strings.TrimPrefix(l, root))
relative = append(relative, strings.TrimPrefix(l, driverRoot))
}
return relative, nil

10
cmd/nvidia-ctk/cdi/generate/full-gpu.go
View File

@ -32,7 +32,7 @@ import (
// byPathHookDiscoverer discovers the entities required for injecting by-path DRM device links
type byPathHookDiscoverer struct {
logger *logrus.Logger
root string
driverRoot string
nvidiaCTKPath string
pciBusID string
}
@ -40,7 +40,7 @@ type byPathHookDiscoverer struct {
var _ discover.Discover = (*byPathHookDiscoverer)(nil)
// NewFullGPUDiscoverer creates a discoverer for the full GPU defined by the specified device.
func NewFullGPUDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPath string, d device.Device) (discover.Discover, error) {
func NewFullGPUDiscoverer(logger *logrus.Logger, driverRoot string, nvidiaCTKPath string, d device.Device) (discover.Discover, error) {
// TODO: The functionality to get device paths should be integrated into the go-nvlib/pkg/device.Device interface.
// This will allow reuse here and in other code where the paths are queried such as the NVIDIA device plugin.
minor, ret := d.GetMinorNumber()
@ -65,12 +65,12 @@ func NewFullGPUDiscoverer(logger *logrus.Logger, root string, nvidiaCTKPath stri
deviceNodes := discover.NewCharDeviceDiscoverer(
logger,
deviceNodePaths,
root,
driverRoot,
)
byPathHooks := &byPathHookDiscoverer{
logger: logger,
root: root,
driverRoot: driverRoot,
nvidiaCTKPath: nvidiaCTKPath,
pciBusID: pciBusID,
}
@ -127,7 +127,7 @@ func (d *byPathHookDiscoverer) deviceNodeLinks() ([]string, error) {
var links []string
for _, c := range candidates {
linkPath := filepath.Join(d.root, c)
linkPath := filepath.Join(d.driverRoot, c)
device, err := os.Readlink(linkPath)
if err != nil {
d.logger.Warningf("Failed to evaluate symlink %v; ignoring", linkPath)

24
cmd/nvidia-ctk/cdi/generate/generate.go
View File

@ -47,7 +47,7 @@ type config struct {
output string
format string
deviceNameStrategy string
root string
driverRoot string
nvidiaCTKPath string
}
@ -94,9 +94,9 @@ func (m command) build() *cli.Command {
Destination: &cfg.deviceNameStrategy,
},
&cli.StringFlag{
Name: "root",
Usage: "Specify the root to use when discovering the entities that should be included in the CDI specification.",
Destination: &cfg.root,
Name: "driver-root",
Usage: "Specify the NVIDIA GPU driver root to use when discovering the entities that should be included in the CDI specification.",
Destination: &cfg.driverRoot,
},
&cli.StringFlag{
Name: "nvidia-ctk-path",
@ -132,7 +132,7 @@ func (m command) run(c *cli.Context, cfg *config) error {
}
spec, err := m.generateSpec(
cfg.root,
cfg.driverRoot,
discover.FindNvidiaCTK(m.logger, cfg.nvidiaCTKPath),
deviceNamer,
)
@ -214,7 +214,7 @@ func writeToOutput(format string, data []byte, output io.Writer) error {
return nil
}
func (m command) generateSpec(root string, nvidiaCTKPath string, namer deviceNamer) (*specs.Spec, error) {
func (m command) generateSpec(driverRoot string, nvidiaCTKPath string, namer deviceNamer) (*specs.Spec, error) {
nvmllib := nvml.New()
if r := nvmllib.Init(); r != nvml.SUCCESS {
return nil, r
@ -223,7 +223,7 @@ func (m command) generateSpec(root string, nvidiaCTKPath string, namer deviceNam
devicelib := device.New(device.WithNvml(nvmllib))
deviceSpecs, err := m.generateDeviceSpecs(devicelib, root, nvidiaCTKPath, namer)
deviceSpecs, err := m.generateDeviceSpecs(devicelib, driverRoot, nvidiaCTKPath, namer)
if err != nil {
return nil, fmt.Errorf("failed to create device CDI specs: %v", err)
}
@ -234,7 +234,7 @@ func (m command) generateSpec(root string, nvidiaCTKPath string, namer deviceNam
allEdits := edits.NewContainerEdits()
ipcs, err := NewIPCDiscoverer(m.logger, root)
ipcs, err := NewIPCDiscoverer(m.logger, driverRoot)
if err != nil {
return nil, fmt.Errorf("failed to create discoverer for IPC sockets: %v", err)
}
@ -250,12 +250,12 @@ func (m command) generateSpec(root string, nvidiaCTKPath string, namer deviceNam
allEdits.Append(ipcEdits)
common, err := NewCommonDiscoverer(m.logger, root, nvidiaCTKPath, nvmllib)
common, err := NewCommonDiscoverer(m.logger, driverRoot, nvidiaCTKPath, nvmllib)
if err != nil {
return nil, fmt.Errorf("failed to create discoverer for common entities: %v", err)
}
deviceFolderPermissionHooks, err := NewDeviceFolderPermissionHookDiscoverer(m.logger, root, nvidiaCTKPath, deviceSpecs)
deviceFolderPermissionHooks, err := NewDeviceFolderPermissionHookDiscoverer(m.logger, driverRoot, nvidiaCTKPath, deviceSpecs)
if err != nil {
return nil, fmt.Errorf("failed to generated permission hooks for device nodes: %v", err)
}
@ -286,7 +286,7 @@ func (m command) generateSpec(root string, nvidiaCTKPath string, namer deviceNam
return &spec, nil
}
func (m command) generateDeviceSpecs(devicelib device.Interface, root string, nvidiaCTKPath string, namer deviceNamer) ([]specs.Device, error) {
func (m command) generateDeviceSpecs(devicelib device.Interface, driverRoot string, nvidiaCTKPath string, namer deviceNamer) ([]specs.Device, error) {
var deviceSpecs []specs.Device
err := devicelib.VisitDevices(func(i int, d device.Device) error {
@ -297,7 +297,7 @@ func (m command) generateDeviceSpecs(devicelib device.Interface, root string, nv
if isMigEnabled {
return nil
}
device, err := NewFullGPUDiscoverer(m.logger, root, nvidiaCTKPath, d)
device, err := NewFullGPUDiscoverer(m.logger, driverRoot, nvidiaCTKPath, d)
if err != nil {
return fmt.Errorf("failed to create device: %v", err)
}

6
cmd/nvidia-ctk/cdi/generate/ipc.go
View File

@ -23,14 +23,14 @@ import (
)
// NewIPCDiscoverer creats a discoverer for NVIDIA IPC sockets.
func NewIPCDiscoverer(logger *logrus.Logger, root string) (discover.Discover, error) {
func NewIPCDiscoverer(logger *logrus.Logger, driverRoot string) (discover.Discover, error) {
d := discover.NewMounts(
logger,
lookup.NewFileLocator(
lookup.WithLogger(logger),
lookup.WithRoot(root),
lookup.WithRoot(driverRoot),
),
root,
driverRoot,
[]string{
"/var/run/nvidia-persistenced/socket",
"/var/run/nvidia-fabricmanager/socket",

4
cmd/nvidia-ctk/cdi/generate/mig-device.go
View File

@ -27,7 +27,7 @@ import (
)
// NewMigDeviceDiscoverer creates a discoverer for the specified mig device and its parent.
func NewMigDeviceDiscoverer(logger *logrus.Logger, root string, parent device.Device, d device.MigDevice) (discover.Discover, error) {
func NewMigDeviceDiscoverer(logger *logrus.Logger, driverRoot string, parent device.Device, d device.MigDevice) (discover.Discover, error) {
minor, ret := parent.GetMinorNumber()
if ret != nvml.SUCCESS {
return nil, fmt.Errorf("error getting GPU device minor number: %v", ret)
@ -68,7 +68,7 @@ func NewMigDeviceDiscoverer(logger *logrus.Logger, root string, parent device.De
giCapDevicePath,
ciCapDevicePath,
},
root,
driverRoot,
)
return deviceNodes, nil