diff options
Diffstat (limited to 'arch/powerpc/include/asm/iommu.h')
| -rw-r--r-- | arch/powerpc/include/asm/iommu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index 9d3749287689..f9957eb4c659 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -112,9 +112,15 @@ struct iommu_table { unsigned long *it_map; /* A simple allocation bitmap for now */ unsigned long it_page_shift;/* table iommu page size */ struct list_head it_group_list;/* List of iommu_table_group_link */ + unsigned long *it_userspace; /* userspace view of the table */ struct iommu_table_ops *it_ops; }; +#define IOMMU_TABLE_USERSPACE_ENTRY(tbl, entry) \ + ((tbl)->it_userspace ? \ + &((tbl)->it_userspace[(entry) - (tbl)->it_offset]) : \ + NULL) + /* Pure 2^n version of get_order */ static inline __attribute_const__ int get_iommu_order(unsigned long size, struct iommu_table *tbl) |