tools/testing/nvdimm: support for sub-dividing a pmem region

Update nfit_test to handle multiple sub-allocations within a given pmem
region.  The mock resource now tracks and un-tracks sub-ranges as they
are requested and released (either explicitly or via devm callback).

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/tools/testing/nvdimm/test/nfit_test.h b/tools/testing/nvdimm/test/nfit_test.h
index 9f18e2a4a862..c281dd2e5e2d 100644
--- a/tools/testing/nvdimm/test/nfit_test.h
+++ b/tools/testing/nvdimm/test/nfit_test.h
@@ -13,11 +13,21 @@
 #ifndef __NFIT_TEST_H__
 #define __NFIT_TEST_H__
 #include <linux/list.h>
+#include <linux/ioport.h>
+#include <linux/spinlock_types.h>
+
+struct nfit_test_request {
+	struct list_head list;
+	struct resource res;
+};
 
 struct nfit_test_resource {
+	struct list_head requests;
 	struct list_head list;
-	struct resource *res;
+	struct resource res;
 	struct device *dev;
+	spinlock_t lock;
+	int req_count;
 	void *buf;
 };