xref: /onnv-gate/usr/src/uts/sun4/sys/dvma.h (revision 2251:99824a0e7def)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*2251Selowe  * Common Development and Distribution License (the "License").
6*2251Selowe  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
210Sstevel@tonic-gate /*
22*2251Selowe  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
230Sstevel@tonic-gate  * Use is subject to license terms.
240Sstevel@tonic-gate  */
250Sstevel@tonic-gate 
260Sstevel@tonic-gate #ifndef _SYS_DVMA_H
270Sstevel@tonic-gate #define	_SYS_DVMA_H
280Sstevel@tonic-gate 
290Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
300Sstevel@tonic-gate 
310Sstevel@tonic-gate #ifdef	__cplusplus
320Sstevel@tonic-gate extern "C" {
330Sstevel@tonic-gate #endif
340Sstevel@tonic-gate 
350Sstevel@tonic-gate #define	DVMAO_REV	1
360Sstevel@tonic-gate 
370Sstevel@tonic-gate struct dvma_ops  {
380Sstevel@tonic-gate #ifdef __STDC__
390Sstevel@tonic-gate 	int dvmaops_rev;		/* rev of this structure */
400Sstevel@tonic-gate 	void (*dvma_kaddr_load)(ddi_dma_handle_t h, caddr_t a,
410Sstevel@tonic-gate 			    uint_t len, uint_t index, ddi_dma_cookie_t *cp);
420Sstevel@tonic-gate 	void (*dvma_unload)(ddi_dma_handle_t h, uint_t objindex,
430Sstevel@tonic-gate 			    uint_t view);
440Sstevel@tonic-gate 	void (*dvma_sync)(ddi_dma_handle_t h, uint_t objindex,
450Sstevel@tonic-gate 			    uint_t view);
460Sstevel@tonic-gate #else /* __STDC__ */
470Sstevel@tonic-gate 	int dvmaops_rev;
480Sstevel@tonic-gate 	void (*dvma_kaddr_load)();
490Sstevel@tonic-gate 	void (*dvma_unload)();
500Sstevel@tonic-gate 	void (*dvma_sync)();
510Sstevel@tonic-gate #endif /* __STDC__ */
520Sstevel@tonic-gate };
530Sstevel@tonic-gate 
540Sstevel@tonic-gate struct	fast_dvma	{
550Sstevel@tonic-gate 	caddr_t softsp;
560Sstevel@tonic-gate 	uint_t *pagecnt;
570Sstevel@tonic-gate 	unsigned long long  *phys_sync_flag;
580Sstevel@tonic-gate 	int *sync_flag;
590Sstevel@tonic-gate 	struct dvma_ops *ops;
600Sstevel@tonic-gate 	caddr_t *kvbase;
61*2251Selowe 	void **cbcookie;
620Sstevel@tonic-gate };
630Sstevel@tonic-gate 
640Sstevel@tonic-gate #ifdef	__cplusplus
650Sstevel@tonic-gate }
660Sstevel@tonic-gate #endif
670Sstevel@tonic-gate 
680Sstevel@tonic-gate #endif	/* _SYS_DVMA_H */
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