From: Mitchel Humpherys <mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
Marek Szyprowski
<m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
Cc: Patrick Daly <pdaly-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Jeremy Gebben <jgebben-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Jordan Crouse <jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Pratik Patel <pratikp-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Thomas Zeng <tzeng-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Subject: [PATCH v5 1/6] iommu: add IOMMU_PRIV attribute
Date: Wed, 27 Jul 2016 16:42:03 -0700 [thread overview]
Message-ID: <20160727234208.2101-2-mitchelh@codeaurora.org> (raw)
In-Reply-To: <20160727234208.2101-1-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Add the IOMMU_PRIV attribute, which is used to indicate privileged
mappings.
Reviewed-by: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Tested-by: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Signed-off-by: Mitchel Humpherys <mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
---
Notes:
v2..v3
- Added comment
include/linux/iommu.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index a35fb8b42e1a..35804abbd6cf 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 Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2016-07-27 23:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-27 23:42 [PATCH v5 0/6] Add support for privileged mappings Mitchel Humpherys
[not found] ` <20160727234208.2101-1-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-07-27 23:42 ` Mitchel Humpherys [this message]
2016-07-27 23:42 ` [PATCH v5 2/6] iommu/io-pgtable-arm: add support for the IOMMU_PRIV flag Mitchel Humpherys
2016-07-27 23:42 ` [PATCH v5 3/6] common: DMA-mapping: add DMA_ATTR_PRIVILEGED attribute Mitchel Humpherys
2016-07-27 23:42 ` [PATCH v5 4/6] arm64/dma-mapping: Implement DMA_ATTR_PRIVILEGED Mitchel Humpherys
2016-07-27 23:42 ` [PATCH v5 5/6] dmaengine: pl330: Make sure microcode is privileged Mitchel Humpherys
[not found] ` <20160727234208.2101-6-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-08-08 5:49 ` Vinod Koul
2016-07-27 23:42 ` [PATCH v5 6/6] Revert "iommu/arm-smmu: Treat all device transactions as unprivileged" Mitchel Humpherys
2016-07-29 10:06 ` [PATCH v5 0/6] Add support for privileged mappings Will Deacon
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