From 66875088098f314af1a4d9e0cc47e617d643bffd Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Wed, 25 Apr 2007 00:12:09 -0700
Subject: [PATCH] [SPARC64]: Add generic iommu and strbuf structs to iommu.h
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/asm-sparc64/iommu.h | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
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) */
--
2.30.9