mapping segment

src/dolphin_daemon/src/Dolphin_SISCI_Resource.cpp

@@ -110,6 +110,15 @@ DOLPHIN_ERROR_CODES Dolphin_SISCI_Resource::connect_mc_segment(unsigned segment_
         return DOLPHIN_ERROR_SEGMENT_SETUP_ERROR;
     }
 
+    /* Map local segment to user space - this is the address to read back data from the reflective memory region */
+    volatile void * readAddr = SCIMapLocalSegment(_local_segment, &_local_map, 0, segment_size, NULL, NO_FLAGS, &error);
+    if (error == SCI_ERR_OK) {
+        spdlog::info("Local segment (id=0x{:x}) is mapped to user space at 0x{:x}", segment_id, (unsigned long)readAddr);
+    } else {
+        spdlog::error("SCIMapLocalSegment failed - Error code 0x{:x}", error);
+        return DOLPHIN_ERROR_SEGMENT_SETUP_ERROR;
+    }
+
     // Set the segment available 
     SCISetSegmentAvailable(_local_segment, _local_adapter_num, NO_FLAGS, &error);
     if (error != SCI_ERR_OK) {
@@ -199,6 +208,7 @@ void Dolphin_SISCI_Resource::clean_up_segment()
     {
         SCIDisconnectSegment(_remote_segment, NO_FLAGS, &error);
 
+        SCIUnmapSegment(_local_map, NO_FLAGS, &error);
         SCISetSegmentUnavailable(_local_segment, _local_adapter_num, NO_FLAGS, &error);
         SCIRemoveSegment(_local_segment, NO_FLAGS, &error);