aboutsummaryrefslogtreecommitdiff
path: root/drivers/iommu/amd_iommu_types.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iommu/amd_iommu_types.h')
-rw-r--r--drivers/iommu/amd_iommu_types.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index a6e1dc616af..7e81094ab73 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -414,6 +414,9 @@ struct amd_iommu {
/* Extended features */
u64 features;
+ /* IOMMUv2 */
+ bool is_iommu_v2;
+
/*
* Capability pointer. There could be more than one IOMMU per PCI
* device function if there are more than one AMD IOMMU capability
@@ -570,6 +573,8 @@ extern bool amd_iommu_unmap_flush;
/* Smallest number of PASIDs supported by any IOMMU in the system */
extern u32 amd_iommu_max_pasids;
+extern bool amd_iommu_v2_present;
+
/* takes bus and device/function and returns the device id
* FIXME: should that be in generic PCI code? */
static inline u16 calc_devid(u8 bus, u8 devfn)