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

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-04-25 00:12:09 -07:00
parent 9b3627f389
commit 6687508809
1 changed files with 29 additions and 0 deletions
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29
include/asm-sparc64/iommu.h
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@ -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) */