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 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_STRSUN_H 27 #define _SYS_STRSUN_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/stream.h> 32 #include <sys/types.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* 39 * Solaris DDI STREAMS utility routines. 40 * 41 * See the appropriate section 9F manpage for documentation. 42 */ 43 44 #define DB_BASE(mp) ((mp)->b_datap->db_base) 45 #define DB_LIM(mp) ((mp)->b_datap->db_lim) 46 #define DB_REF(mp) ((mp)->b_datap->db_ref) 47 #define DB_TYPE(mp) ((mp)->b_datap->db_type) 48 #define DB_FLAGS(mp) ((mp)->b_datap->db_flags) 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