feat:Enable remoteproc-runtime to be runnable in user space

Signed-off-by: Yejin Seo <yejseo01@arm.com>

Author: yejseo01

internal/oci/state.go

@@ -14,7 +14,7 @@ const (
 	stateFileName = "state.json"
 )
 
-var stateDir = rootpath.Join("run", "remoteproc")
+var stateDir = rootpath.Join(os.Getenv("XDG_RUNTIME_DIR"), "run", "remoteproc")
 
 func NewState(containerID string, bundlePath string) *specs.State {
 	return &specs.State{

internal/remoteproc/remoteproc.go

@@ -18,10 +18,19 @@ const (
 )
 
 var (
-	rprocFirmwareStorePath = rootpath.Join("lib", "firmware")
+	rprocFirmwareStorePath string
 	rprocClassPath         = rootpath.Join("sys", "class", "remoteproc")
 )
 
+func init() {
+	user := os.Getenv("USER")
+	if user == "root" {
+		rprocFirmwareStorePath = rootpath.Join("lib", "firmware")
+	} else {
+		rprocFirmwareStorePath = rootpath.Join("home", user, "firmware")
+	}
+}
+
 func FindDevicePath(name string) (string, error) {
 	files, err := os.ReadDir(rprocClassPath)
 	if err != nil {

internal/runtime/create.go

@@ -61,7 +61,7 @@ func Create(containerID string, bundlePath string, pidFile string) error {
 	state.Annotations[oci.StateResolvedPath] = devicePath
 	state.Annotations[oci.StateFirmware] = storedFirmwareName
 	if err := oci.WriteState(state); err != nil {
-		return err
+		return fmt.Errorf("failed to write state: %w", err)
 	}
 
 	if pidFile != "" {