diff options
Diffstat (limited to 'include/asm-sparc64/iommu.h')
| -rw-r--r-- | include/asm-sparc64/iommu.h | 63 |
1 files changed, 1 insertions, 62 deletions
diff --git a/include/asm-sparc64/iommu.h b/include/asm-sparc64/iommu.h index d7b9afcba08b..76252bb85e97 100644 --- a/include/asm-sparc64/iommu.h +++ b/include/asm-sparc64/iommu.h @@ -1,62 +1 @@ -/* iommu.h: Definitions for the sun5 IOMMU. - * - * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net) - */ -#ifndef _SPARC64_IOMMU_H -#define _SPARC64_IOMMU_H - -/* The format of an iopte in the page tables. */ -#define IOPTE_VALID 0x8000000000000000UL -#define IOPTE_64K 0x2000000000000000UL -#define IOPTE_STBUF 0x1000000000000000UL -#define IOPTE_INTRA 0x0800000000000000UL -#define IOPTE_CONTEXT 0x07ff800000000000UL -#define IOPTE_PAGE 0x00007fffffffe000UL -#define IOPTE_CACHE 0x0000000000000010UL -#define IOPTE_WRITE 0x0000000000000002UL - -#define IOMMU_NUM_CTXS 4096 - -struct iommu_arena { - unsigned long *map; - unsigned int hint; - unsigned int limit; -}; - -struct iommu { - spinlock_t lock; - struct iommu_arena arena; - void (*flush_all)(struct iommu *); - iopte_t *page_table; - u32 page_table_map_base; - unsigned long iommu_control; - unsigned long iommu_tsbbase; - unsigned long iommu_flush; - unsigned long iommu_flushinv; - unsigned long iommu_tags; - 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)]; -}; - -extern int iommu_table_init(struct iommu *iommu, int tsbsize, - u32 dma_offset, u32 dma_addr_mask, - int numa_node); - -#endif /* !(_SPARC64_IOMMU_H) */ +#include <asm-sparc/iommu.h> |