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 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_STRSUN_H 28 #define _SYS_STRSUN_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/stream.h> 33 #include <sys/types.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 /* 40 * Solaris DDI STREAMS utility routines. 41 * 42 * See the appropriate section 9F manpage for documentation. 43 */ 44 45 #define DB_BASE(mp) ((mp)->b_datap->db_base) 46 #define DB_LIM(mp) ((mp)->b_datap->db_lim) 47 #define DB_REF(mp) ((mp)->b_datap->db_ref) 48 #define DB_TYPE(mp) ((mp)->b_datap->db_type) 49 50 #define MBLKL(mp) ((mp)->b_wptr - (mp)->b_rptr) 51 #define MBLKSIZE(mp) ((mp)->b_datap->db_lim - (mp)->b_datap->db_base) 52 #define MBLKHEAD(mp) ((mp)->b_rptr - (mp)->b_datap->db_base) 53 #define MBLKTAIL(mp) ((mp)->b_datap->db_lim - (mp)->b_wptr) 54 #define MBLKIN(mp, off, len) (((off) <= MBLKL(mp)) && \ 55 (((mp)->b_rptr + (off) + (len)) <= (mp)->b_wptr)) 56 57 #ifdef _KERNEL 58 extern void mcopyin(mblk_t *, void *, size_t, void *); 59 extern void mcopyout(mblk_t *, void *, size_t, void *, mblk_t *); 60 extern void merror(queue_t *, mblk_t *, int); 61 extern void mioc2ack(mblk_t *, mblk_t *, size_t, int); 62 extern void miocack(queue_t *, mblk_t *, int, int); 63 extern void miocnak(queue_t *, mblk_t *, int, int); 64 extern int miocpullup(mblk_t *, size_t); 65 extern mblk_t *mexchange(queue_t *, mblk_t *, size_t, uchar_t, int32_t); 66 extern size_t msgsize(mblk_t *); 67 extern void mcopymsg(mblk_t *, void *); 68 69 #endif /* _KERNEL */ 70 71 #ifdef __cplusplus 72 } 73 #endif 74 75 #endif /* _SYS_STRSUN_H */ 76