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9b3627f389
Move to asm-sparc64/iommu.h and rename to plain "iommu_arena". Signed-off-by: David S. Miller <davem@davemloft.net>
28 lines
767 B
C
28 lines
767 B
C
/* $Id: iommu.h,v 1.10 2001/03/08 09:55:56 davem Exp $
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* iommu.h: Definitions for the sun5 IOMMU.
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*
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* Copyright (C) 1996, 1999 David S. Miller (davem@caip.rutgers.edu)
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*/
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#ifndef _SPARC64_IOMMU_H
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#define _SPARC64_IOMMU_H
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/* The format of an iopte in the page tables. */
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#define IOPTE_VALID 0x8000000000000000UL
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#define IOPTE_64K 0x2000000000000000UL
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#define IOPTE_STBUF 0x1000000000000000UL
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#define IOPTE_INTRA 0x0800000000000000UL
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#define IOPTE_CONTEXT 0x07ff800000000000UL
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#define IOPTE_PAGE 0x00007fffffffe000UL
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#define IOPTE_CACHE 0x0000000000000010UL
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#define IOPTE_WRITE 0x0000000000000002UL
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#define IOMMU_NUM_CTXS 4096
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struct iommu_arena {
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unsigned long *map;
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unsigned int hint;
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unsigned int limit;
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};
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#endif /* !(_SPARC_IOMMU_H) */
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