diff options
Diffstat (limited to 'arch/powerpc/include/asm/iommu.h')
| -rw-r--r-- | arch/powerpc/include/asm/iommu.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index 44a20ccf06b4..489133cf7c5e 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -93,7 +93,6 @@ struct iommu_table { unsigned long it_page_shift;/* table iommu page size */ struct list_head it_group_list;/* List of iommu_table_group_link */ struct iommu_table_ops *it_ops; - void (*set_bypass)(struct iommu_table *tbl, bool enable); }; /* Pure 2^n version of get_order */ @@ -126,6 +125,15 @@ extern struct iommu_table *iommu_init_table(struct iommu_table * tbl, int nid); #define IOMMU_TABLE_GROUP_MAX_TABLES 1 +struct iommu_table_group; + +struct iommu_table_group_ops { + /* Switch ownership from platform code to external user (e.g. VFIO) */ + void (*take_ownership)(struct iommu_table_group *table_group); + /* Switch ownership from external user (e.g. VFIO) back to core */ + void (*release_ownership)(struct iommu_table_group *table_group); +}; + struct iommu_table_group_link { struct list_head next; struct rcu_head rcu; @@ -135,6 +143,7 @@ struct iommu_table_group_link { struct iommu_table_group { struct iommu_group *group; struct iommu_table *tables[IOMMU_TABLE_GROUP_MAX_TABLES]; + struct iommu_table_group_ops *ops; }; #ifdef CONFIG_IOMMU_API |