xref: /onnv-gate/usr/src/uts/common/sys/strsun.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef	_SYS_STRSUN_H
28*0Sstevel@tonic-gate #define	_SYS_STRSUN_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <sys/stream.h>
33*0Sstevel@tonic-gate #include <sys/types.h>
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #ifdef	__cplusplus
36*0Sstevel@tonic-gate extern "C" {
37*0Sstevel@tonic-gate #endif
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate /*
40*0Sstevel@tonic-gate  * Solaris DDI STREAMS utility routines.
41*0Sstevel@tonic-gate  *
42*0Sstevel@tonic-gate  * See the appropriate section 9F manpage for documentation.
43*0Sstevel@tonic-gate  */
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate #define	DB_BASE(mp)	((mp)->b_datap->db_base)
46*0Sstevel@tonic-gate #define	DB_LIM(mp)	((mp)->b_datap->db_lim)
47*0Sstevel@tonic-gate #define	DB_REF(mp)	((mp)->b_datap->db_ref)
48*0Sstevel@tonic-gate #define	DB_TYPE(mp)	((mp)->b_datap->db_type)
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate #define	MBLKL(mp)	((mp)->b_wptr - (mp)->b_rptr)
51*0Sstevel@tonic-gate #define	MBLKSIZE(mp)	((mp)->b_datap->db_lim - (mp)->b_datap->db_base)
52*0Sstevel@tonic-gate #define	MBLKHEAD(mp)	((mp)->b_rptr - (mp)->b_datap->db_base)
53*0Sstevel@tonic-gate #define	MBLKTAIL(mp)	((mp)->b_datap->db_lim - (mp)->b_wptr)
54*0Sstevel@tonic-gate #define	MBLKIN(mp, off, len) (((off) <= MBLKL(mp)) && \
55*0Sstevel@tonic-gate 			(((mp)->b_rptr + (off) + (len)) <= (mp)->b_wptr))
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate #ifdef	_KERNEL
58*0Sstevel@tonic-gate extern void	mcopyin(mblk_t *, void *, size_t, void *);
59*0Sstevel@tonic-gate extern void	mcopyout(mblk_t *, void *, size_t, void *, mblk_t *);
60*0Sstevel@tonic-gate extern void	merror(queue_t *, mblk_t *, int);
61*0Sstevel@tonic-gate extern void	mioc2ack(mblk_t *, mblk_t *, size_t, int);
62*0Sstevel@tonic-gate extern void	miocack(queue_t *, mblk_t *, int, int);
63*0Sstevel@tonic-gate extern void	miocnak(queue_t *, mblk_t *, int, int);
64*0Sstevel@tonic-gate extern int	miocpullup(mblk_t *, size_t);
65*0Sstevel@tonic-gate extern mblk_t	*mexchange(queue_t *, mblk_t *, size_t, uchar_t, int32_t);
66*0Sstevel@tonic-gate extern size_t	msgsize(mblk_t *);
67*0Sstevel@tonic-gate extern void	mcopymsg(mblk_t *, void *);
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate #endif	/* _KERNEL */
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate #ifdef	__cplusplus
72*0Sstevel@tonic-gate }
73*0Sstevel@tonic-gate #endif
74*0Sstevel@tonic-gate 
75*0Sstevel@tonic-gate #endif	/* _SYS_STRSUN_H */
76