xref: /illumos-gate/usr/src/uts/common/sys/dktp/tgcom.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_DKTP_TGCOM_H
28 #define	_SYS_DKTP_TGCOM_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 struct	tgcom_obj {
37 	opaque_t		com_data;
38 	struct tgcom_objops	*com_ops;
39 };
40 
41 struct	tgcom_objops {
42 	int	(*com_init)(opaque_t);
43 	int	(*com_free)(struct tgcom_obj *);
44 	int	(*com_pkt)(opaque_t, struct buf *, int (*func)(caddr_t),
45 	    caddr_t);
46 	void	(*com_transport)(opaque_t, struct buf *);
47 	void	*com_resv[2];
48 };
49 
50 #define	TGCOM_INIT(X) (*((struct tgcom_obj *)(X))->com_ops->com_init)\
51 	(((struct tgcom_obj *)(X))->com_data)
52 #define	TGCOM_FREE(X) (*((struct tgcom_obj *)(X))->com_ops->com_free) ((X))
53 #define	TGCOM_PKT(X, bp, cb, arg) \
54 	(*((struct tgcom_obj *)(X))->com_ops->com_pkt) \
55 		(((struct tgcom_obj *)(X))->com_data, (bp), (cb), (arg))
56 #define	TGCOM_TRANSPORT(X, bp) \
57 	(*((struct tgcom_obj *)(X))->com_ops->com_transport) \
58 		(((struct tgcom_obj *)(X))->com_data, (bp))
59 
60 #ifdef	__cplusplus
61 }
62 #endif
63 
64 #endif	/* _SYS_DKTP_TGCOM_H */
65