diff options
| author | Baoquan He <bhe@redhat.com> | 2017-08-09 16:33:33 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2017-08-15 18:14:38 +0200 |
| commit | 4c232a708be1047fe26b7c75ceaa5d73deb6a798 (patch) | |
| tree | 9f17a1d07337472b4113f4e050d1e2bd79c85950 /drivers/iommu/amd_iommu_types.h | |
| parent | ef954844c7ace62f773f4f23e28d2d915adc419f (diff) | |
iommu/amd: Detect pre enabled translation
Add functions to check whether translation is already enabled in IOMMU.
Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd_iommu_types.h')
| -rw-r--r-- | drivers/iommu/amd_iommu_types.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 294a409e283b..0c98b2cf04cc 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -435,6 +435,8 @@ struct iommu_domain; struct irq_domain; struct amd_irte_ops; +#define AMD_IOMMU_FLAG_TRANS_PRE_ENABLED (1 << 0) + /* * This structure contains generic data for IOMMU protection domains * independent of their use. @@ -569,6 +571,7 @@ struct amd_iommu { struct amd_irte_ops *irte_ops; #endif + u32 flags; volatile u64 __aligned(8) cmd_sem; }; |