diff options
Diffstat (limited to 'include/asm-sparc64/iommu.h')
| -rw-r--r-- | include/asm-sparc64/iommu.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-sparc64/iommu.h b/include/asm-sparc64/iommu.h new file mode 100644 index 00000000000..5fd16e42a04 --- /dev/null +++ b/include/asm-sparc64/iommu.h @@ -0,0 +1,19 @@ +/* $Id: iommu.h,v 1.10 2001/03/08 09:55:56 davem Exp $ + * iommu.h: Definitions for the sun5 IOMMU. + * + * Copyright (C) 1996, 1999 David S. Miller (davem@caip.rutgers.edu) + */ +#ifndef _SPARC64_IOMMU_H +#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 */ + +#endif /* !(_SPARC_IOMMU_H) */ |