linux-kernel - [PATCH 16/16] iommu/amd: Report irq remapping through IOMMU-API

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Date:	Fri, 28 Sep 2012 14:24:06 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	<iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>
CC:	Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 16/16] iommu/amd: Report irq remapping through IOMMU-API

Report the availability of irq remapping through the
IOMMU-API to allow KVM device passthrough again without
additional module parameter overrides.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 drivers/iommu/amd_iommu.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 6fe4ad7..3f616f6 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3353,6 +3353,8 @@ static int amd_iommu_domain_has_cap(struct iommu_domain *domain,
 	switch (cap) {
 	case IOMMU_CAP_CACHE_COHERENCY:
 		return 1;
+	case IOMMU_CAP_INTR_REMAP:
+		return irq_remapping_enabled;
 	}
 
 	return 0;
-- 
1.7.9.5


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