# \[PATCH 04/13\] xen: memory : Add new XENMAPSPACE type XENMAPSPACE\_dev\_mmio

- From: shannon.zhao at linaro.org \<hidden\>
- Date: 2015-11-17 09:57:02 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2015/11/8114709
- Thread: https://ratatoskr.run/linux-arm-kernel/2015/11/8114709/t.md

```text
From: Shannon Zhao <redacted>

Signed-off-by: Shannon Zhao <redacted>
---
 include/xen/interface/memory.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h
index 2ecfe4f..9aa8988 100644
--- a/include/xen/interface/memory.h
+++ b/include/xen/interface/memory.h
@@ -160,6 +160,7 @@ DEFINE_GUEST_HANDLE_STRUCT(xen_machphys_mapping_t);
 #define XENMAPSPACE_gmfn_foreign 4 /* GMFN from another dom,
 				    * XENMEM_add_to_physmap_range only.
 				    */
+#define XENMAPSPACE_dev_mmio     5 /* device mmio region */
 
 /*
  * Sets the GPFN at which a particular page appears in the specified guest's
-- 
2.1.0
```