diff mbox series

[v7,19/36] iommu/mediatek: Allow IOMMU_DOMAIN_UNMANAGED for PCIe VFIO

Message ID 20220503071427.2285-20-yong.wu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series MT8195 and MT8186 IOMMU SUPPORT | expand

Commit Message

Yong Wu (吴勇) May 3, 2022, 7:14 a.m. UTC 
Allow the type IOMMU_DOMAIN_UNMANAGED since vfio_iommu_type1.c always call
iommu_domain_alloc. The PCIe EP works ok when going through vfio.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/iommu/mtk_iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index bcdc932cd473..0121d71c315f 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -446,7 +446,7 @@  static struct iommu_domain *mtk_iommu_domain_alloc(unsigned type)
 {
 	struct mtk_iommu_domain *dom;
 
-	if (type != IOMMU_DOMAIN_DMA)
+	if (type != IOMMU_DOMAIN_DMA && type != IOMMU_DOMAIN_UNMANAGED)
 		return NULL;
 
 	dom = kzalloc(sizeof(*dom), GFP_KERNEL);