From b699fc329722088174afe6031351d3bddb559f6c Mon Sep 17 00:00:00 2001
From: Patrick Williams <iawillia@us.ibm.com>
Date: Wed, 11 Jan 2012 10:25:12 -0600
Subject: Support additional device segments and MMIO blocks

Change-Id: Icd2e9ed7de2c0227b25979622d0f37a77595570a
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/609
Tested-by: Jenkins Server
Reviewed-by: MATTHEW S. BARTH <msbarth@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
---
 src/usr/testcore/kernel/segmenttest.H | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'src/usr/testcore/kernel')

diff --git a/src/usr/testcore/kernel/segmenttest.H b/src/usr/testcore/kernel/segmenttest.H
index effa34e2e..e5b9ff64a 100644
--- a/src/usr/testcore/kernel/segmenttest.H
+++ b/src/usr/testcore/kernel/segmenttest.H
@@ -34,6 +34,8 @@
 #include <sys/mmio.h>
 #include <usr/vmmconst.h>
 
+#include <list>
+
 class segmenttest: public CxxTest::TestSuite
 {
     public:
@@ -82,6 +84,33 @@ class segmenttest: public CxxTest::TestSuite
             }
         }
 
+        // Verify we can allocate a block from the second device segment.
+        void testManyDeviceBlocks()
+        {
+            std::list<void*> blocks;
+
+            void* block = NULL;
+            while (reinterpret_cast<uint64_t>(block)
+                    < (VMM_VADDR_DEVICE_SEGMENT_FIRST + TERABYTE))
+            {
+                block = mmio_dev_map(reinterpret_cast<void*>(10 * TERABYTE),
+                                     THIRTYTWO_GB);
+
+                if (block == NULL)
+                {
+                    TS_FAIL("Unable to allocate device block.");
+                    break;
+                }
+                blocks.push_back(block);
+            }
+
+            while(!blocks.empty())
+            {
+                mmio_dev_unmap(blocks.front());
+                blocks.pop_front();
+            }
+        }
+
 };
 
 #endif
-- 
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