17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 545916cd2Sjpk * Common Development and Distribution License (the "License"). 645916cd2Sjpk * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*22eb7cb5Sgd78059 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #ifndef _SYS_STRSUN_H 277c478bd9Sstevel@tonic-gate #define _SYS_STRSUN_H 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include <sys/stream.h> 307c478bd9Sstevel@tonic-gate #include <sys/types.h> 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #ifdef __cplusplus 337c478bd9Sstevel@tonic-gate extern "C" { 347c478bd9Sstevel@tonic-gate #endif 357c478bd9Sstevel@tonic-gate 367c478bd9Sstevel@tonic-gate /* 377c478bd9Sstevel@tonic-gate * Solaris DDI STREAMS utility routines. 387c478bd9Sstevel@tonic-gate * 397c478bd9Sstevel@tonic-gate * See the appropriate section 9F manpage for documentation. 407c478bd9Sstevel@tonic-gate */ 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #define DB_BASE(mp) ((mp)->b_datap->db_base) 437c478bd9Sstevel@tonic-gate #define DB_LIM(mp) ((mp)->b_datap->db_lim) 447c478bd9Sstevel@tonic-gate #define DB_REF(mp) ((mp)->b_datap->db_ref) 457c478bd9Sstevel@tonic-gate #define DB_TYPE(mp) ((mp)->b_datap->db_type) 46c28749e9Skais #define DB_FLAGS(mp) ((mp)->b_datap->db_flags) 477c478bd9Sstevel@tonic-gate 48*22eb7cb5Sgd78059 #define _PTRDIFF(p1, p2) ((intptr_t)((uintptr_t)(p1) - (uintptr_t)(p2))) 49*22eb7cb5Sgd78059 #define MBLKL(mp) _PTRDIFF((mp)->b_wptr, (mp)->b_rptr) 50*22eb7cb5Sgd78059 #define MBLKSIZE(mp) _PTRDIFF(DB_LIM(mp), DB_BASE(mp)) 51*22eb7cb5Sgd78059 #define MBLKHEAD(mp) _PTRDIFF((mp)->b_rptr, DB_BASE(mp)) 52*22eb7cb5Sgd78059 #define MBLKTAIL(mp) _PTRDIFF(DB_LIM(mp), (mp)->b_wptr) 537c478bd9Sstevel@tonic-gate #define MBLKIN(mp, off, len) (((off) <= MBLKL(mp)) && \ 547c478bd9Sstevel@tonic-gate (((mp)->b_rptr + (off) + (len)) <= (mp)->b_wptr)) 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate #ifdef _KERNEL 577c478bd9Sstevel@tonic-gate extern void mcopyin(mblk_t *, void *, size_t, void *); 587c478bd9Sstevel@tonic-gate extern void mcopyout(mblk_t *, void *, size_t, void *, mblk_t *); 597c478bd9Sstevel@tonic-gate extern void merror(queue_t *, mblk_t *, int); 607c478bd9Sstevel@tonic-gate extern void mioc2ack(mblk_t *, mblk_t *, size_t, int); 617c478bd9Sstevel@tonic-gate extern void miocack(queue_t *, mblk_t *, int, int); 627c478bd9Sstevel@tonic-gate extern void miocnak(queue_t *, mblk_t *, int, int); 637c478bd9Sstevel@tonic-gate extern int miocpullup(mblk_t *, size_t); 647c478bd9Sstevel@tonic-gate extern mblk_t *mexchange(queue_t *, mblk_t *, size_t, uchar_t, int32_t); 657c478bd9Sstevel@tonic-gate extern size_t msgsize(mblk_t *); 667c478bd9Sstevel@tonic-gate extern void mcopymsg(mblk_t *, void *); 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate #ifdef __cplusplus 717c478bd9Sstevel@tonic-gate } 727c478bd9Sstevel@tonic-gate #endif 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate #endif /* _SYS_STRSUN_H */ 75