linux-kernel - [PATCH v2 2/8] iommu: Add DOMAIN_ATTR_SPLIT

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Message-ID: <0101016e957520c8-d07e90d2-4906-4479-9e33-2231e8c45619-000000@us-west-2.amazonses.com>
Date:   Fri, 22 Nov 2019 23:31:51 +0000
From:   Jordan Crouse <jcrouse@...eaurora.org>
To:     iommu@...ts.linux-foundation.org
Cc:     robin.murphy@....com, will@...nel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, Joerg Roedel <joro@...tes.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/8] iommu: Add DOMAIN_ATTR_SPLIT_TABLES

Add a new attribute to enable and query the state of split pagetables
for the domain.

Signed-off-by: Jordan Crouse <jcrouse@...eaurora.org>
---

 include/linux/iommu.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index f2223cb..18c861e 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -126,6 +126,7 @@ enum iommu_attr {
 	DOMAIN_ATTR_FSL_PAMUV1,
 	DOMAIN_ATTR_NESTING,	/* two stages of translation */
 	DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE,
+	DOMAIN_ATTR_SPLIT_TABLES,
 	DOMAIN_ATTR_MAX,
 };
 
-- 
2.7.4