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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef _SYS_DVMA_H
     27 #define	_SYS_DVMA_H
     28 
     29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     30 
     31 #ifdef	__cplusplus
     32 extern "C" {
     33 #endif
     34 
     35 #define	DVMAO_REV	1
     36 
     37 struct dvma_ops  {
     38 #ifdef __STDC__
     39 	int dvmaops_rev;		/* rev of this structure */
     40 	void (*dvma_kaddr_load)(ddi_dma_handle_t h, caddr_t a,
     41 			    uint_t len, uint_t index, ddi_dma_cookie_t *cp);
     42 	void (*dvma_unload)(ddi_dma_handle_t h, uint_t objindex,
     43 			    uint_t view);
     44 	void (*dvma_sync)(ddi_dma_handle_t h, uint_t objindex,
     45 			    uint_t view);
     46 #else /* __STDC__ */
     47 	int dvmaops_rev;
     48 	void (*dvma_kaddr_load)();
     49 	void (*dvma_unload)();
     50 	void (*dvma_sync)();
     51 #endif /* __STDC__ */
     52 };
     53 
     54 struct	fast_dvma	{
     55 	caddr_t softsp;
     56 	uint_t *pagecnt;
     57 	unsigned long long  *phys_sync_flag;
     58 	int *sync_flag;
     59 	struct dvma_ops *ops;
     60 	caddr_t *kvbase;
     61 	void **cbcookie;
     62 };
     63 
     64 #ifdef	__cplusplus
     65 }
     66 #endif
     67 
     68 #endif	/* _SYS_DVMA_H */
     69