[SPARC64]: Add generic iommu and strbuf structs to iommu.h

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 29 insertions, 0 deletions

diff --git a/include/asm-sparc64/iommu.h b/include/asm-sparc64/iommu.h
index d8d98f8f747f..e199594a1e9b 100644
--- a/include/asm-sparc64/iommu.h
+++ b/include/asm-sparc64/iommu.h
@@ -24,4 +24,33 @@ struct iommu_arena {
         unsigned int    limit;
 };
 
+struct iommu {
+        spinlock_t              lock;
+        struct iommu_arena      arena;
+        iopte_t                 *page_table;
+        u32                     page_table_map_base;
+        unsigned long           iommu_control;
+        unsigned long           iommu_tsbbase;
+        unsigned long           iommu_flush;
+        unsigned long           iommu_ctxflush;
+        unsigned long           write_complete_reg;
+        unsigned long           dummy_page;
+        unsigned long           dummy_page_pa;
+        unsigned long           ctx_lowest_free;
+        DECLARE_BITMAP(ctx_bitmap, IOMMU_NUM_CTXS);
+        u32                     dma_addr_mask;
+};
+
+struct strbuf {
+        int                     strbuf_enabled;
+        unsigned long           strbuf_control;
+        unsigned long           strbuf_pflush;
+        unsigned long           strbuf_fsync;
+        unsigned long           strbuf_ctxflush;
+        unsigned long           strbuf_ctxmatch_base;
+        unsigned long           strbuf_flushflag_pa;
+        volatile unsigned long *strbuf_flushflag;
+        volatile unsigned long  __flushflag_buf[(64+(64-1)) / sizeof(long)];
+};
+
 #endif /* !(_SPARC_IOMMU_H) */