Report SCSI-1-CCS for USB devices not compliant with any standard

uweseimet · Jan 7, 2025 · 446171b · 446171b
1 parent edec228
commit 446171b
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/cpp/devices/scsi_generic.cpp b/cpp/devices/scsi_generic.cpp
@@ -230,6 +230,11 @@ int ScsiGeneric::ReadWriteData(span<uint8_t> buf, int chunk_size)
 
     UpdateStartBlock(local_cdb, length / block_size);
 
+    // Report SCSI-1-CCS compatibility for devices not compliant with any standard
+    if (static_cast<ScsiCommand>(local_cdb[0]) == ScsiCommand::INQUIRY && !buf[2]) {
+        buf[2] = static_cast<uint8_t>(ScsiLevel::SCSI_1_CCS);
+    }
+
     // The remaining count for non-block oriented commands is 0 because there may be less than allocation length bytes
     if (command_meta_data.GetCdbMetaData(static_cast<ScsiCommand>(local_cdb[0])).block_size) {
         remaining_count -= transferred_length;