linux-kernel - [PATCH V8 1/9] iommu: add IOMMU

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Message-Id: <1483362764-11990-2-git-send-email-sricharan@codeaurora.org>
Date:   Mon,  2 Jan 2017 18:42:36 +0530
From:   Sricharan R <sricharan@...eaurora.org>
To:     jcrouse@...eaurora.org, pdaly@...eaurora.org,
        jgebben@...eaurora.org, joro@...tes.org,
        linux-kernel@...r.kernel.org, pratikp@...eaurora.org,
        iommu@...ts.linux-foundation.org, robin.murphy@....com,
        tzeng@...eaurora.org, linux-arm-kernel@...ts.infradead.org,
        will.deacon@....com, mitchelh@...eaurora.org, vinod.koul@...el.com
Cc:     sricharan@...eaurora.org, dan.j.williams@...el.com,
        linux@...linux.org.uk
Subject: [PATCH V8 1/9] iommu: add IOMMU_PRIV attribute

From: Mitchel Humpherys <mitchelh@...eaurora.org>

Add the IOMMU_PRIV attribute, which is used to indicate privileged
mappings.

Reviewed-by: Robin Murphy <robin.murphy@....com>
Tested-by: Robin Murphy <robin.murphy@....com>
Signed-off-by: Mitchel Humpherys <mitchelh@...eaurora.org>
Acked-by: Will Deacon <will.deacon@....com>
---
 include/linux/iommu.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 0ff5111..8c15ada 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -31,6 +31,7 @@
 #define IOMMU_CACHE	(1 << 2) /* DMA cache coherency */
 #define IOMMU_NOEXEC	(1 << 3)
 #define IOMMU_MMIO	(1 << 4) /* e.g. things like MSI doorbells */
+#define IOMMU_PRIV	(1 << 5) /* privileged */
 
 struct iommu_ops;
 struct iommu_group;
-- 
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