ghd_dma.h revision 1709:39a1331cb1e3 
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 2005 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _GHD_DMA_H
27#define	_GHD_DMA_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#ifdef	__cplusplus
32extern "C" {
33#endif
34
35
36#include <sys/ddi.h>
37#include <sys/sunddi.h>
38
39#include "ghd.h"
40
41int	ghd_dmaget_attr(ccc_t *cccp, gcmd_t *gcmdp, long count, int sg_size,
42			uint_t *xfer);
43
44int	ghd_dma_buf_bind_attr(ccc_t *ccp, gcmd_t *gcmdp, struct buf *bp,
45		int dma_flags, int (*callback)(), caddr_t arg,
46		ddi_dma_attr_t *sg_attrp);
47
48void	ghd_dmafree_attr(gcmd_t *gcmdp);
49
50uint_t	ghd_dmaget_next_attr(ccc_t *cccp, gcmd_t *gcmdp, long max_transfer_cnt,
51		int sg_size, ddi_dma_cookie_t cookie);
52
53#ifdef	__cplusplus
54}
55#endif
56
57#endif /* _GHD_DMA_H */
58