iommu.h

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/* $Id: iommu.h,v 1.9 1999/09/21 14:39:39 davem Exp $
 * iommu.h: Definitions for the sun5 IOMMU.
 *
 * Copyright (C) 1996, 1999 David S. Miller ([e-mail])
 */
#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[40:13]) */
#define IOPTE_CACHE         0x0000000000000010 /* Cached (in UPA E-cache)          */
#define IOPTE_WRITE         0x0000000000000002 /* Writeable                        */

#endif /* !(_SPARC_IOMMU_H) */