From: Mitchel Humpherys <mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
Cc: Pratik Patel <pratikp-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Jordan Crouse <jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Jeremy Gebben <jgebben-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Patrick Daly <pdaly-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Subject: [PATCH 1/3] iommu: add IOMMU_PRIV attribute
Date: Wed, 6 Jul 2016 16:51:34 -0700 [thread overview]
Message-ID: <20160706235136.27854-2-mitchelh@codeaurora.org> (raw)
In-Reply-To: <20160706235136.27854-1-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Add the IOMMU_PRIV attribute, which is used to indicate privileged
mappings.
Signed-off-by: Mitchel Humpherys <mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.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
next prev parent reply other threads:[~2016-07-06 23:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-06 23:51 [PATCH 0/3] Add support for privileged mappings Mitchel Humpherys
[not found] ` <20160706235136.27854-1-mitchelh-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-07-06 23:51 ` Mitchel Humpherys [this message]
2016-07-06 23:51 ` [PATCH 2/3] iommu/io-pgtable-arm: add support for the IOMMU_PRIV flag Mitchel Humpherys
2016-07-06 23:51 ` [PATCH 3/3] Revert "iommu/arm-smmu: Treat all device transactions as unprivileged" Mitchel Humpherys
2016-07-07 17:00 ` [PATCH 0/3] Add support for privileged mappings Will Deacon
2016-07-07 20:58 ` Jordan Crouse
[not found] ` <20160707205820.GA752-9PYrDHPZ2Orvke4nUoYGnHL1okKdlPRT@public.gmane.org>
2016-07-09 2:09 ` Mitchel Humpherys
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