1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Eclipse Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.eclipse.org/org/documents/epl-v10.html * 11* (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23/* 24 * Glenn Fowler 25 * AT&T Research 26 * 27 * 3d fs interface definitions 28 */ 29 30#ifndef _FS3D_H 31#define _FS3D_H 32 33#include <ast_fs.h> 34 35#if _int_st_spare1 36#define iview(p) ((p)->st_spare1) 37#define IVIEW(p,v) ((p)->st_spare1=(v)) 38#else 39#if _ary_st_spare4 40#define iview(p) ((p)->st_spare4[0]) 41#define IVIEW(p,v) ((p)->st_spare4[0]=(v)) 42#else 43#if _ary_st_extra 44#define iview(p) ((p)->st_extra[0]) 45#define IVIEW(p,v) ((p)->st_extra[0]=(v)) 46#else 47#if _ary_st_pad4 48#define iview(p) ((p)->st_pad4[0]) 49#define IVIEW(p,v) ((p)->st_pad4[0]=(v)) 50#else 51#if _mem_st_rdev_stat 52#define iview(p) ((S_ISBLK((p)->st_mode)||S_ISCHR((p)->st_mode))?0:(p)->st_rdev) 53#define IVIEW(p,v) do{if(!S_ISBLK((p)->st_mode)&&!S_ISCHR((p)->st_mode))(p)->st_rdev=(v);}while(0) 54#else 55#define iview(p) 0 56#define IVIEW(p,v) 57#endif 58#endif 59#endif 60#endif 61#endif 62 63/* 64 * special options 65 */ 66 67#define FS3D_init "/#option/init" 68#define FS3D_on "/#option/3d" 69#define FS3D_off "/#option/2d" 70 71/* 72 * fs3d(3) ops 73 */ 74 75#define FS3D_OP(o,a) (((a)<<3)|(o)) 76 77#define FS3D_INIT FS3D_OP_INIT /* re-initialize tables */ 78#define FS3D_OFF FS3D_OP_OFF 79#define FS3D_ON FS3D_OP_ON 80#define FS3D_TEST FS3D_OP_TEST 81#define FS3D_LIMIT(n) FS3D_OP(FS3D_OP_LIMIT,n) 82 83#define FS3D_op(x) ((x)&07) 84#define FS3D_arg(x) (((x)>>3)&07777) 85 86#define FS3D_OP_OFF 0 87#define FS3D_OP_ON 1 88#define FS3D_OP_TEST 2 89#define FS3D_OP_LIMIT 3 90#define FS3D_OP_INIT 7 91 92/* 93 * mount(2) ops 94 */ 95 96#define FS3D_ALL (FS3D_VIEW|FS3D_VERSION) 97#define FS3D_VIEW 002 98#define FS3D_VERSION 004 99#define FS3D_GET 010 100#define FS3D_SIZE(n) ((n)<<4) 101#define FS3D_SIZEOF(n) ((n)>>4) 102 103#if !_BLD_3d 104#define mount(s,t,f,d) fs3d_mount(s,t,f,d) 105#endif 106 107#if _BLD_ast && defined(__EXPORT__) 108#define extern __EXPORT__ 109#endif 110 111extern int fs3d(int); 112extern int fs3d_mount(const char*, char*, int, void*); 113extern char* pathnext(char*, char*, long*); 114 115#undef extern 116 117#endif 118