3 files changed, 37 insertions, 5 deletions
diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild
index 04c5fc09576d..94a5e0eda2d2 100644
--- a/tools/testing/nvdimm/Kbuild
+++ b/tools/testing/nvdimm/Kbuild
@@ -1,8 +1,10 @@
 ldflags-y += --wrap=ioremap_wc
+ldflags-y += --wrap=memremap
 ldflags-y += --wrap=devm_ioremap_nocache
 ldflags-y += --wrap=devm_memremap
 ldflags-y += --wrap=ioremap_nocache
 ldflags-y += --wrap=iounmap
+ldflags-y += --wrap=memunmap
 ldflags-y += --wrap=__devm_request_region
 ldflags-y += --wrap=__request_region
 ldflags-y += --wrap=__release_region
diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c
index ff1e00458864..179d2289f3a8 100644
--- a/tools/testing/nvdimm/test/iomap.c
+++ b/tools/testing/nvdimm/test/iomap.c
@@ -89,12 +89,25 @@ void *__wrap_devm_memremap(struct device *dev, resource_size_t offset,
 	nfit_res = get_nfit_res(offset);
 	rcu_read_unlock();
 	if (nfit_res)
-		return (void __iomem *) nfit_res->buf + offset
-			- nfit_res->res->start;
+		return nfit_res->buf + offset - nfit_res->res->start;
 	return devm_memremap(dev, offset, size, flags);
 }
 EXPORT_SYMBOL(__wrap_devm_memremap);
 
+void *__wrap_memremap(resource_size_t offset, size_t size,
+		unsigned long flags)
+{
+	struct nfit_test_resource *nfit_res;
+
+	rcu_read_lock();
+	nfit_res = get_nfit_res(offset);
+	rcu_read_unlock();
+	if (nfit_res)
+		return nfit_res->buf + offset - nfit_res->res->start;
+	return memremap(offset, size, flags);
+}
+EXPORT_SYMBOL(__wrap_memremap);
+
 void __iomem *__wrap_ioremap_nocache(resource_size_t offset, unsigned long size)
 {
 	return __nfit_test_ioremap(offset, size, ioremap_nocache);
@@ -120,6 +133,19 @@ void __wrap_iounmap(volatile void __iomem *addr)
 }
 EXPORT_SYMBOL(__wrap_iounmap);
 
+void __wrap_memunmap(void *addr)
+{
+	struct nfit_test_resource *nfit_res;
+
+	rcu_read_lock();
+	nfit_res = get_nfit_res((unsigned long) addr);
+	rcu_read_unlock();
+	if (nfit_res)
+		return;
+	return memunmap(addr);
+}
+EXPORT_SYMBOL(__wrap_memunmap);
+
 static struct resource *nfit_test_request_region(struct device *dev,
 		struct resource *parent, resource_size_t start,
 		resource_size_t n, const char *name, int flags)
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index 28dba918524e..021e6f97f33e 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -1029,9 +1029,13 @@ static int nfit_test_blk_do_io(struct nd_blk_region *ndbr, resource_size_t dpa,
 
 	lane = nd_region_acquire_lane(nd_region);
 	if (rw)
-		memcpy(mmio->base + dpa, iobuf, len);
-	else
-		memcpy(iobuf, mmio->base + dpa, len);
+		memcpy(mmio->addr.base + dpa, iobuf, len);
+	else {
+		memcpy(iobuf, mmio->addr.base + dpa, len);
+
+		/* give us some some coverage of the mmio_flush_range() API */
+		mmio_flush_range(mmio->addr.base + dpa, len);
+	}
 	nd_region_release_lane(nd_region, lane);
 
 	return 0;