From: sricharan@codeaurora.org (Sricharan R)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V7 1/8] iommu: add IOMMU_PRIV attribute
Date: Tue, 13 Dec 2016 00:08:40 +0530 [thread overview]
Message-ID: <1481567927-14791-2-git-send-email-sricharan@codeaurora.org> (raw)
In-Reply-To: <1481567927-14791-1-git-send-email-sricharan@codeaurora.org>
From: Mitchel Humpherys <mitchelh@codeaurora.org>
Add the IOMMU_PRIV attribute, which is used to indicate privileged
mappings.
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
---
include/linux/iommu.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index f2960e4..bf22131 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;
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2016-12-12 18:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-12 18:38 [PATCH V7 0/8] Add support for privileged mappings Sricharan R
2016-12-12 18:38 ` Sricharan R [this message]
2016-12-12 18:38 ` [PATCH V7 2/8] iommu/io-pgtable-arm: add support for the IOMMU_PRIV flag Sricharan R
2016-12-12 18:38 ` [PATCH V7 3/8] iommu/io-pgtable-arm-v7s: Add " Sricharan R
2016-12-12 18:38 ` [PATCH V7 4/8] common: DMA-mapping: add DMA_ATTR_PRIVILEGED attribute Sricharan R
2016-12-13 13:55 ` Robin Murphy
2016-12-12 18:38 ` [PATCH V7 5/8] arm64/dma-mapping: Implement DMA_ATTR_PRIVILEGED Sricharan R
2016-12-13 14:02 ` Robin Murphy
2016-12-13 14:38 ` Sricharan
2016-12-13 14:46 ` Robin Murphy
2016-12-13 14:54 ` Sricharan
2016-12-13 18:46 ` Sricharan
2016-12-13 19:11 ` Robin Murphy
2017-01-02 13:22 ` Sricharan
2016-12-12 18:38 ` [PATCH V7 6/8] dmaengine: pl330: Make sure microcode is privileged Sricharan R
2016-12-12 18:38 ` [PATCH V7 7/8] iommu/arm-smmu: Set privileged attribute to 'default' instead of 'unprivileged' Sricharan R
2016-12-13 12:20 ` Robin Murphy
2016-12-12 18:38 ` [PATCH V7 8/8] iommu/arm-smmu: Revert "iommu/arm-smmu: Set PRIVCFG in stage 1 STEs" Sricharan R
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