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package device
import (
"fmt"
"github.com/lxc/incus/v6/internal/server/device/config"
"github.com/lxc/incus/v6/shared/api"
"github.com/lxc/incus/v6/shared/validate"
)
func gpuValidationRules(requiredFields []string, optionalFields []string) map[string]func(value string) error {
// Define a set of default validators for each field name.
defaultValidators := map[string]func(value string) error{
"vendorid": validate.Optional(validate.IsDeviceID),
"productid": validate.Optional(validate.IsDeviceID),
"id": validate.IsAny,
"pci": validate.IsPCIAddress,
"uid": unixValidUserID,
"gid": unixValidUserID,
"mode": unixValidOctalFileMode,
"mig.gi": validate.IsUint8,
"mig.ci": validate.IsUint8,
"mig.uuid": gpuValidMigUUID,
"mdev": validate.IsAny,
}
validators := map[string]func(value string) error{}
for _, k := range optionalFields {
defaultValidator := defaultValidators[k]
// If field doesn't have a known validator, it is an unknown field, skip.
if defaultValidator == nil {
continue
}
// Wrap the default validator in an empty check as field is optional.
validators[k] = func(value string) error {
if value == "" {
return nil
}
return defaultValidator(value)
}
}
// Add required fields last, that way if they are specified in both required and optional
// field sets, the required one will overwrite the optional validators.
for _, k := range requiredFields {
defaultValidator := defaultValidators[k]
// If field doesn't have a known validator, it is an unknown field, skip.
if defaultValidator == nil {
continue
}
// Wrap the default validator in a not empty check as field is required.
validators[k] = func(value string) error {
err := validate.IsNotEmpty(value)
if err != nil {
return err
}
return defaultValidator(value)
}
}
return validators
}
// Check if the device matches the given GPU card.
// It matches based on vendorid, pci, productid or id setting of the device.
func gpuSelected(device config.Device, gpu api.ResourcesGPUCard) bool {
return !((device["vendorid"] != "" && gpu.VendorID != device["vendorid"]) ||
(device["pci"] != "" && gpu.PCIAddress != device["pci"]) ||
(device["productid"] != "" && gpu.ProductID != device["productid"]) ||
(device["id"] != "" && (gpu.DRM == nil || fmt.Sprintf("%d", gpu.DRM.ID) != device["id"])))
}
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