xref: /illumos-gate/usr/src/uts/common/sys/dktp/tgcom.h (revision 2d6eb4a5e0a47d30189497241345dc5466bb68ab)
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 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 struct	tgcom_obj {
35 	opaque_t		com_data;
36 	struct tgcom_objops	*com_ops;
37 };
38 
39 struct	tgcom_objops {
40 	int	(*com_init)(opaque_t);
41 	int	(*com_free)(struct tgcom_obj *);
42 	int	(*com_pkt)(opaque_t, struct buf *, int (*func)(caddr_t),
43 	    caddr_t);
44 	void	(*com_transport)(opaque_t, struct buf *);
45 	void	*com_resv[2];
46 };
47 
48 #define	TGCOM_INIT(X) (*((struct tgcom_obj *)(X))->com_ops->com_init)\
49 	(((struct tgcom_obj *)(X))->com_data)
50 #define	TGCOM_FREE(X) (*((struct tgcom_obj *)(X))->com_ops->com_free) ((X))
51 #define	TGCOM_PKT(X, bp, cb, arg) \
52 	(*((struct tgcom_obj *)(X))->com_ops->com_pkt) \
53 		(((struct tgcom_obj *)(X))->com_data, (bp), (cb), (arg))
54 #define	TGCOM_TRANSPORT(X, bp) \
55 	(*((struct tgcom_obj *)(X))->com_ops->com_transport) \
56 		(((struct tgcom_obj *)(X))->com_data, (bp))
57 
58 #ifdef	__cplusplus
59 }
60 #endif
61 
62 #endif	/* _SYS_DKTP_TGCOM_H */
63