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| File: [Development] / linux-2.6-xfs / include / asm-sparc64 / Attic / iommu.h (download)
Revision 1.2, Thu Jun 17 03:20:52 2004 UTC (13 years, 4 months ago) by nathans
Merge up to 2.6.7, and upgrade kdb at the same time. |
/* $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) */