diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2007-04-27 19:16:19 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-04-27 19:16:19 +0100 |
| commit | d1da4e50e5d09f02c340927a4fcb7f54202fa033 (patch) | |
| tree | 7f98317bdd45dbdb7644e9179891c5af6a3a8ef1 /include/asm-sparc64/iommu.h | |
| parent | 78ab67da1002d954ea4c3e2b441e2483c41f94e8 (diff) | |
| parent | a205752d1ad2d37d6597aaae5a56fc396a770868 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/Kconfig
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'include/asm-sparc64/iommu.h')
| -rw-r--r-- | include/asm-sparc64/iommu.h | 51 |
1 files changed, 43 insertions, 8 deletions
diff --git a/include/asm-sparc64/iommu.h b/include/asm-sparc64/iommu.h index 0de7a3da79c..e199594a1e9 100644 --- a/include/asm-sparc64/iommu.h +++ b/include/asm-sparc64/iommu.h @@ -7,15 +7,50 @@ #define _SPARC64_IOMMU_H /* The format of an iopte in the page tables. */ -#define IOPTE_VALID 0x8000000000000000UL /* IOPTE is valid */ -#define IOPTE_64K 0x2000000000000000UL /* IOPTE is for 64k page */ -#define IOPTE_STBUF 0x1000000000000000UL /* DVMA can use streaming buffer */ -#define IOPTE_INTRA 0x0800000000000000UL /* SBUS slot-->slot direct transfer*/ -#define IOPTE_CONTEXT 0x07ff800000000000UL /* Context number */ -#define IOPTE_PAGE 0x00007fffffffe000UL /* Physical page number (PA[42:13])*/ -#define IOPTE_CACHE 0x0000000000000010UL /* Cached (in UPA E-cache) */ -#define IOPTE_WRITE 0x0000000000000002UL /* Writeable */ +#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; + 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) */ |