10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 51676Sjpk * Common Development and Distribution License (the "License"). 61676Sjpk * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 22*6990Sgd78059 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate */ 250Sstevel@tonic-gate 260Sstevel@tonic-gate #ifndef _SYS_STRSUN_H 270Sstevel@tonic-gate #define _SYS_STRSUN_H 280Sstevel@tonic-gate 290Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 300Sstevel@tonic-gate 310Sstevel@tonic-gate #include <sys/stream.h> 320Sstevel@tonic-gate #include <sys/types.h> 330Sstevel@tonic-gate 340Sstevel@tonic-gate #ifdef __cplusplus 350Sstevel@tonic-gate extern "C" { 360Sstevel@tonic-gate #endif 370Sstevel@tonic-gate 380Sstevel@tonic-gate /* 390Sstevel@tonic-gate * Solaris DDI STREAMS utility routines. 400Sstevel@tonic-gate * 410Sstevel@tonic-gate * See the appropriate section 9F manpage for documentation. 420Sstevel@tonic-gate */ 430Sstevel@tonic-gate 440Sstevel@tonic-gate #define DB_BASE(mp) ((mp)->b_datap->db_base) 450Sstevel@tonic-gate #define DB_LIM(mp) ((mp)->b_datap->db_lim) 460Sstevel@tonic-gate #define DB_REF(mp) ((mp)->b_datap->db_ref) 470Sstevel@tonic-gate #define DB_TYPE(mp) ((mp)->b_datap->db_type) 48898Skais #define DB_FLAGS(mp) ((mp)->b_datap->db_flags) 490Sstevel@tonic-gate 50*6990Sgd78059 #define _PTRDIFF(p1, p2) ((intptr_t)((uintptr_t)(p1) - (uintptr_t)(p2))) 51*6990Sgd78059 #define MBLKL(mp) _PTRDIFF((mp)->b_wptr, (mp)->b_rptr) 52*6990Sgd78059 #define MBLKSIZE(mp) _PTRDIFF(DB_LIM(mp), DB_BASE(mp)) 53*6990Sgd78059 #define MBLKHEAD(mp) _PTRDIFF((mp)->b_rptr, DB_BASE(mp)) 54*6990Sgd78059 #define MBLKTAIL(mp) _PTRDIFF(DB_LIM(mp), (mp)->b_wptr) 550Sstevel@tonic-gate #define MBLKIN(mp, off, len) (((off) <= MBLKL(mp)) && \ 56*6990Sgd78059 (((mp)->b_rptr + (off) + (len)) <= (mp)->b_wptr)) 570Sstevel@tonic-gate 580Sstevel@tonic-gate #ifdef _KERNEL 590Sstevel@tonic-gate extern void mcopyin(mblk_t *, void *, size_t, void *); 600Sstevel@tonic-gate extern void mcopyout(mblk_t *, void *, size_t, void *, mblk_t *); 610Sstevel@tonic-gate extern void merror(queue_t *, mblk_t *, int); 620Sstevel@tonic-gate extern void mioc2ack(mblk_t *, mblk_t *, size_t, int); 630Sstevel@tonic-gate extern void miocack(queue_t *, mblk_t *, int, int); 640Sstevel@tonic-gate extern void miocnak(queue_t *, mblk_t *, int, int); 650Sstevel@tonic-gate extern int miocpullup(mblk_t *, size_t); 660Sstevel@tonic-gate extern mblk_t *mexchange(queue_t *, mblk_t *, size_t, uchar_t, int32_t); 670Sstevel@tonic-gate extern size_t msgsize(mblk_t *); 680Sstevel@tonic-gate extern void mcopymsg(mblk_t *, void *); 690Sstevel@tonic-gate 700Sstevel@tonic-gate #endif /* _KERNEL */ 710Sstevel@tonic-gate 720Sstevel@tonic-gate #ifdef __cplusplus 730Sstevel@tonic-gate } 740Sstevel@tonic-gate #endif 750Sstevel@tonic-gate 760Sstevel@tonic-gate #endif /* _SYS_STRSUN_H */ 77