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/* $Id: iommu.h,v 1.1.1.1 2004-04-15 03:01:11 phoenix 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         0x8000000000000000 /* IOPTE is valid                   */

#define IOPTE_64K           0x2000000000000000 /* IOPTE is for 64k page            */

#define IOPTE_STBUF         0x1000000000000000 /* DVMA can use streaming buffer    */

#define IOPTE_INTRA         0x0800000000000000 /* SBUS slot-->slot direct transfer */

#define IOPTE_CONTEXT       0x07ff800000000000 /* Context number                   */

#define IOPTE_PAGE          0x00007fffffffe000 /* Physical page number (PA[42:13]) */

#define IOPTE_CACHE         0x0000000000000010 /* Cached (in UPA E-cache)          */

#define IOPTE_WRITE         0x0000000000000002 /* Writeable                        */

#endif /* !(_SPARC_IOMMU_H) */