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Groups > linux.kernel > #1439871

[PATCH v2 1/6] iommu: add IOMMU_PRIV attribute

From Mitchel Humpherys <mitchelh@codeaurora.org>
Newsgroups linux.kernel
Subject [PATCH v2 1/6] iommu: add IOMMU_PRIV attribute
Date 2016-07-09 04:10 +0200
Message-ID <rSPSp-4T7-17@gated-at.bofh.it> (permalink)
References <rSPSp-4T7-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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

Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
---
 include/linux/iommu.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 664683aedcce..01c9f2667f2b 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)
 
 struct iommu_ops;
 struct iommu_group;
-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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Thread

[PATCH v2 0/6] Add support for privileged mappings Mitchel Humpherys <mitchelh@codeaurora.org> - 2016-07-09 04:10 +0200
  [PATCH v2 5/6] arm64/dma-mapping: Implement DMA_ATTR_PRIVILEGED_EXECUTABLE Mitchel Humpherys <mitchelh@codeaurora.org> - 2016-07-09 04:10 +0200
    Re: [PATCH v2 5/6] arm64/dma-mapping: Implement  DMA_ATTR_PRIVILEGED_EXECUTABLE Robin Murphy <robin.murphy@arm.com> - 2016-07-11 17:10 +0200
  [PATCH v2 3/6] Revert "iommu/arm-smmu: Treat all device transactions as unprivileged" Mitchel Humpherys <mitchelh@codeaurora.org> - 2016-07-09 04:10 +0200
    Re: [PATCH v2 3/6] Revert "iommu/arm-smmu: Treat all device  transactions as unprivileged" Robin Murphy <robin.murphy@arm.com> - 2016-07-11 16:30 +0200
  [PATCH v2 4/6] common: DMA-mapping: add DMA_ATTR_PRIVILEGED_EXECUTABLE attribute Mitchel Humpherys <mitchelh@codeaurora.org> - 2016-07-09 04:10 +0200
    Re: [PATCH v2 4/6] common: DMA-mapping: add  DMA_ATTR_PRIVILEGED_EXECUTABLE attribute Robin Murphy <robin.murphy@arm.com> - 2016-07-11 16:50 +0200
  [PATCH v2 2/6] iommu/io-pgtable-arm: add support for the IOMMU_PRIV flag Mitchel Humpherys <mitchelh@codeaurora.org> - 2016-07-09 04:10 +0200
    Re: [PATCH v2 2/6] iommu/io-pgtable-arm: add support for the  IOMMU_PRIV flag Robin Murphy <robin.murphy@arm.com> - 2016-07-11 16:20 +0200
  [PATCH v2 1/6] iommu: add IOMMU_PRIV attribute Mitchel Humpherys <mitchelh@codeaurora.org> - 2016-07-09 04:10 +0200
    Re: [PATCH v2 1/6] iommu: add IOMMU_PRIV attribute Robin Murphy <robin.murphy@arm.com> - 2016-07-11 16:10 +0200
  [PATCH v2 6/6] dmaengine: pl330: Make sure microcode is privileged-executable Mitchel Humpherys <mitchelh@codeaurora.org> - 2016-07-09 04:10 +0200
    Re: [PATCH v2 6/6] dmaengine: pl330: Make sure microcode is  privileged-executable Robin Murphy <robin.murphy@arm.com> - 2016-07-11 17:30 +0200
  Re: [PATCH v2 0/6] Add support for privileged mappings Robin Murphy <robin.murphy@arm.com> - 2016-07-11 16:10 +0200
    Re: [PATCH v2 0/6] Add support for privileged mappings Jordan Crouse <jcrouse@codeaurora.org> - 2016-07-11 17:10 +0200

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