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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 09:12:09 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 10:55:43 +0200 |
| commit | 66875088098f314af1a4d9e0cc47e617d643bffd (patch) | |
| tree | 52db91a75778d9a5b155a88f860c9656a7de1c15 /include/asm-sparc64 | |
| parent | [SPARC64]: Consolidate {sbus,pci}_iommu_arena. (diff) | |
| download | linux-66875088098f314af1a4d9e0cc47e617d643bffd.tar.xz linux-66875088098f314af1a4d9e0cc47e617d643bffd.zip | |
[SPARC64]: Add generic iommu and strbuf structs to iommu.h
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64')
| -rw-r--r-- | include/asm-sparc64/iommu.h | 29 |
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) */ |