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authorJoerg Roedel <joerg.roedel@amd.com>2011-11-17 14:18:46 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2011-12-12 14:55:13 +0100
commit132bd68f180dd5de9176e20532910503f6393f14 (patch)
tree1fc1a0f0417427a47c6d352a3969ca1e1bf9f5fc /drivers/iommu/amd_iommu_proto.h
parent72e1dcc4192288ad5e37888aa1dbb23b3ef4aa9a (diff)
iommu/amd: Add amd_iommu_domain_direct_map function
This function can be used to switch a domain into paging-mode 0. In this mode all devices can access physical system memory directly without any remapping. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_proto.h')
-rw-r--r--drivers/iommu/amd_iommu_proto.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_proto.h b/drivers/iommu/amd_iommu_proto.h
index cfe2dfc64523..2c4554e963c7 100644
--- a/drivers/iommu/amd_iommu_proto.h
+++ b/drivers/iommu/amd_iommu_proto.h
@@ -33,9 +33,12 @@ extern void amd_iommu_init_notifier(void);
extern void amd_iommu_init_api(void);
/* IOMMUv2 specific functions */
+struct iommu_domain;
+
extern bool amd_iommu_v2_supported(void);
extern int amd_iommu_register_ppr_notifier(struct notifier_block *nb);
extern int amd_iommu_unregister_ppr_notifier(struct notifier_block *nb);
+extern void amd_iommu_domain_direct_map(struct iommu_domain *dom);
#ifndef CONFIG_AMD_IOMMU_STATS