SCSI support: ROG Arion external drive LED control

rog-scsi/src/lib.rs

@@ -0,0 +1,48 @@
+mod builtin_modes;
+mod error;
+mod scsi;
+
+pub use builtin_modes::*;
+pub use error::*;
+use serde::{Deserialize, Serialize};
+pub use sg::{Device, Task};
+
+pub const PROD_SCSI_ARION: &str = "1932";
+
+#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Deserialize, Serialize)]
+pub enum ScsiType {
+    Arion,
+    #[default]
+    Unsupported,
+}
+
+impl ScsiType {
+    pub const fn prod_id_str(&self) -> &str {
+        match self {
+            ScsiType::Arion => PROD_SCSI_ARION,
+            ScsiType::Unsupported => "",
+        }
+    }
+}
+
+impl From<&str> for ScsiType {
+    fn from(s: &str) -> Self {
+        match s.to_lowercase().as_str() {
+            PROD_SCSI_ARION | "0x1932" => Self::Arion,
+            _ => Self::Unsupported,
+        }
+    }
+}
+
+impl From<ScsiType> for &str {
+    fn from(s: ScsiType) -> Self {
+        match s {
+            ScsiType::Arion => PROD_SCSI_ARION,
+            ScsiType::Unsupported => "Unsupported",
+        }
+    }
+}
+
+pub fn open_device(path: &str) -> Result<Device, std::io::Error> {
+    Device::open(path)
+}