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 2003 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_WINLOCKIO_H 28*0Sstevel@tonic-gate #define _SYS_WINLOCKIO_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/types.h> 33*0Sstevel@tonic-gate #include <sys/ioccom.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 * Structure for allocating lock contexts. 41*0Sstevel@tonic-gate * The page number portion of sy_ident is the offset for mmap(2). 42*0Sstevel@tonic-gate * The page offset portion of sy_ident is the byte-offset relative to 43*0Sstevel@tonic-gate * the start of the page returned by mmap(2) and should added to it. 44*0Sstevel@tonic-gate */ 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate struct winlockalloc { 47*0Sstevel@tonic-gate uint_t sy_key; /* user-provided key, if any */ 48*0Sstevel@tonic-gate uint_t sy_ident; /* system-provided identification */ 49*0Sstevel@tonic-gate }; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate /* 52*0Sstevel@tonic-gate * Structure for getting and setting lock timeouts or NOTIMEOUT flag 53*0Sstevel@tonic-gate */ 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate struct winlocktimeout { 56*0Sstevel@tonic-gate uint_t sy_ident; /* system-provided identification */ 57*0Sstevel@tonic-gate uint_t sy_timeout; /* timeout value in seconds */ 58*0Sstevel@tonic-gate int sy_flags; /* Flags for lock context - see defs below */ 59*0Sstevel@tonic-gate }; 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate #define WIOC ('L'<<8) 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate #define WINLOCKALLOC (WIOC|0) 65*0Sstevel@tonic-gate #define WINLOCKFREE (WIOC|1) 66*0Sstevel@tonic-gate #define WINLOCKSETTIMEOUT (WIOC|2) 67*0Sstevel@tonic-gate #define WINLOCKGETTIMEOUT (WIOC|3) 68*0Sstevel@tonic-gate #define WINLOCKDUMP (WIOC|4) 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate #ifndef GRABPAGEALLOC 71*0Sstevel@tonic-gate #include <sys/fbio.h> /* defines GRAB* ioctls */ 72*0Sstevel@tonic-gate #endif 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate /* flag bits */ 75*0Sstevel@tonic-gate #define SY_NOTIMEOUT 0x1 /* This client never times out */ 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate #ifdef _KERNEL 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate #define UFLAGS 0x00ff /* flags usable by users */ 80*0Sstevel@tonic-gate #define KFLAGS 0xff00 /* flags used by driver implementation */ 81*0Sstevel@tonic-gate #define TRASHPAGE 0x0400 /* process has unlock mapping to trashpage */ 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate #endif /* _KERNEL */ 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate #ifdef __cplusplus 86*0Sstevel@tonic-gate } 87*0Sstevel@tonic-gate #endif 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate #endif /* _SYS_WINLOCKIO_H */ 90