linux-kernel - [PATCH v11 05/17] xen: memory : Add new XENMAPSPACE type XENMAPSPACE_dev

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Message-ID: <1460030614-16112-6-git-send-email-zhaoshenglong@huawei.com>
Date:	Thu, 7 Apr 2016 20:03:22 +0800
From:	Shannon Zhao <zhaoshenglong@...wei.com>
To:	<linux-arm-kernel@...ts.infradead.org>, <sstabellini@...nel.org>
CC:	<catalin.marinas@....com>, <will.deacon@....com>,
	<julien.grall@....com>, <david.vrabel@...rix.com>,
	<xen-devel@...ts.xen.org>, <devicetree@...r.kernel.org>,
	<linux-efi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<shannon.zhao@...aro.org>, <peter.huangpeng@...wei.com>
Subject: [PATCH v11 05/17] xen: memory : Add new XENMAPSPACE type XENMAPSPACE_dev_mmio

From: Shannon Zhao <shannon.zhao@...aro.org>

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

Signed-off-by: Shannon Zhao <shannon.zhao@...aro.org>
Reviewed-by: Julien Grall <julien.grall@....com>
---
 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
-- 
2.0.4