xref: /titanic_41/usr/src/uts/intel/io/dktp/hba/ghd/ghd_dma.h (revision 507c32411f3f101e90ca2120f042b5ee698ba1d5)
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
32 extern "C" {
33 #endif
34 
35 
36 #include <sys/ddi.h>
37 #include <sys/sunddi.h>
38 
39 #include "ghd.h"
40 
41 int	ghd_dmaget_attr(ccc_t *cccp, gcmd_t *gcmdp, long count, int sg_size,
42 			uint_t *xfer);
43 
44 int	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 
48 void	ghd_dmafree_attr(gcmd_t *gcmdp);
49 
50 uint_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