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[v11,05/17] xen: memory : Add new XENMAPSPACE type XENMAPSPACE_dev_mmio

Message ID 1460030614-16112-6-git-send-email-zhaoshenglong@huawei.com (mailing list archive)
State New, archived
Headers show

Commit Message

Shannon Zhao April 7, 2016, 12:03 p.m. UTC 
From: Shannon Zhao <shannon.zhao@linaro.org>

Add a new type of Xen map space for Dom0 to map device's MMIO region.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Julien Grall <julien.grall@arm.com>
---
 include/xen/interface/memory.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

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