From: Antonios Motakis <a.motakis@virtualopensystems.com>
Date: Mon, 13 Oct 2014 13:06:17 +0000 (+0100)
Subject: iommu: add capability IOMMU_CAP_NOEXEC
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=a11e9368747250d4187befc9cc23dd9fba7753c4;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

iommu: add capability IOMMU_CAP_NOEXEC

Some IOMMUs accept an IOMMU_NOEXEC protection flag in addition to
IOMMU_READ and IOMMU_WRITE. Expose this as an IOMMU capability.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 67d0d4e6acc9..e57f0b9b5af5 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -67,6 +67,7 @@ enum iommu_cap {
 	IOMMU_CAP_CACHE_COHERENCY,	/* IOMMU can enforce cache coherent DMA
 					   transactions */
 	IOMMU_CAP_INTR_REMAP,		/* IOMMU supports interrupt isolation */
+	IOMMU_CAP_NOEXEC,		/* IOMMU_NOEXEC flag */
 };
 
 /*