[linux-2.6-block.git] / include / asm-sparc64 / iommu.h

/* $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                       */

#define IOMMU_NUM_CTXS	4096

#endif /* !(_SPARC_IOMMU_H) */
Commit	Line	Data
1da177e4 LT	1	/* $Id: iommu.h,v 1.10 2001/03/08 09:55:56 davem 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 0x8000000000000000UL /* IOPTE is valid */
	11	#define IOPTE_64K 0x2000000000000000UL /* IOPTE is for 64k page */
	12	#define IOPTE_STBUF 0x1000000000000000UL /* DVMA can use streaming buffer */
	13	#define IOPTE_INTRA 0x0800000000000000UL /* SBUS slot-->slot direct transfer*/
	14	#define IOPTE_CONTEXT 0x07ff800000000000UL /* Context number */
	15	#define IOPTE_PAGE 0x00007fffffffe000UL /* Physical page number (PA[42:13])*/
	16	#define IOPTE_CACHE 0x0000000000000010UL /* Cached (in UPA E-cache) */
	17	#define IOPTE_WRITE 0x0000000000000002UL /* Writeable */
	18
7c963ad1 DM	19	#define IOMMU_NUM_CTXS 4096
7c963ad1 DM	20
1da177e4	21	#endif /* !(_SPARC_IOMMU_H) */