1/* $Id: iommu.h,v 1.1.1.1 2008/10/15 03:27:26 james26_jang Exp $
2 * iommu.h: Definitions for the sun5 IOMMU.
3 *
4 * Copyright (C) 1996, 1999 David S. Miller (davem@caip.rutgers.edu)
5 */
6#ifndef _SPARC64_IOMMU_H
7#define _SPARC64_IOMMU_H
8
9/* The format of an iopte in the page tables. */
10#define IOPTE_VALID         0x8000000000000000 /* IOPTE is valid                   */
11#define IOPTE_64K           0x2000000000000000 /* IOPTE is for 64k page            */
12#define IOPTE_STBUF         0x1000000000000000 /* DVMA can use streaming buffer    */
13#define IOPTE_INTRA         0x0800000000000000 /* SBUS slot-->slot direct transfer */
14#define IOPTE_CONTEXT	    0x07ff800000000000 /* Context number		   */
15#define IOPTE_PAGE          0x00007fffffffe000 /* Physical page number (PA[42:13]) */
16#define IOPTE_CACHE         0x0000000000000010 /* Cached (in UPA E-cache)          */
17#define IOPTE_WRITE         0x0000000000000002 /* Writeable                        */
18
19#endif /* !(_SPARC_IOMMU_H) */
20