From 9cf0669746be19a4906a6c48920060bcf54c708b Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng@linux.intel.com>
Date: Wed, 18 Mar 2009 15:33:07 +0800
Subject: intel-iommu: VT-d page table to support snooping control bit

The user can request to enable snooping control through VT-d page table.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 include/linux/dma_remapping.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/linux/dma_remapping.h')

diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index af1dab41674b..1a455f1f86d7 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -11,6 +11,7 @@
 
 #define DMA_PTE_READ (1)
 #define DMA_PTE_WRITE (2)
+#define DMA_PTE_SNP (1 << 11)
 
 struct intel_iommu;
 struct dmar_domain;
-- 
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