xref: /onnv-gate/usr/src/lib/libast/common/include/fs3d.h (revision 12068:08a39a083754)
14887Schin /***********************************************************************
24887Schin *                                                                      *
34887Schin *               This software is part of the ast package               *
4*12068SRoger.Faulkner@Oracle.COM *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
54887Schin *                      and is licensed under the                       *
64887Schin *                  Common Public License, Version 1.0                  *
78462SApril.Chin@Sun.COM *                    by AT&T Intellectual Property                     *
84887Schin *                                                                      *
94887Schin *                A copy of the License is available at                 *
104887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
114887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
124887Schin *                                                                      *
134887Schin *              Information and Software Systems Research               *
144887Schin *                            AT&T Research                             *
154887Schin *                           Florham Park NJ                            *
164887Schin *                                                                      *
174887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
184887Schin *                  David Korn <dgk@research.att.com>                   *
194887Schin *                   Phong Vo <kpv@research.att.com>                    *
204887Schin *                                                                      *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin /*
244887Schin  * Glenn Fowler
254887Schin  * AT&T Research
264887Schin  *
274887Schin  * 3d fs interface definitions
284887Schin  */
294887Schin 
304887Schin #ifndef _FS3D_H
314887Schin #define _FS3D_H
324887Schin 
334887Schin #include <ast_fs.h>
344887Schin 
354887Schin #if _int_st_spare1
364887Schin #define iview(p)	((p)->st_spare1)
374887Schin #define IVIEW(p,v)	((p)->st_spare1=(v))
384887Schin #else
394887Schin #if _ary_st_spare4
404887Schin #define iview(p)	((p)->st_spare4[0])
414887Schin #define IVIEW(p,v)	((p)->st_spare4[0]=(v))
424887Schin #else
434887Schin #if _ary_st_pad4
444887Schin #define iview(p)	((p)->st_pad4[0])
454887Schin #define IVIEW(p,v)	((p)->st_pad4[0]=(v))
464887Schin #else
474887Schin #if _mem_st_rdev_stat
484887Schin #define iview(p)	((S_ISBLK((p)->st_mode)||S_ISCHR((p)->st_mode))?0:(p)->st_rdev)
494887Schin #define IVIEW(p,v)	do{if(!S_ISBLK((p)->st_mode)&&!S_ISCHR((p)->st_mode))(p)->st_rdev=(v);}while(0)
504887Schin #else
514887Schin #define iview(p)	0
524887Schin #define IVIEW(p,v)
534887Schin #endif
544887Schin #endif
554887Schin #endif
564887Schin #endif
574887Schin 
584887Schin /*
594887Schin  * special options
604887Schin  */
614887Schin 
624887Schin #define FS3D_init	"/#option/init"
634887Schin #define FS3D_on		"/#option/3d"
644887Schin #define FS3D_off	"/#option/2d"
654887Schin 
664887Schin /*
674887Schin  * fs3d(3) ops
684887Schin  */
694887Schin 
704887Schin #define FS3D_OP(o,a)	(((a)<<3)|(o))
714887Schin 
724887Schin #define FS3D_INIT	FS3D_OP_INIT	/* re-initialize tables		*/
734887Schin #define FS3D_OFF	FS3D_OP_OFF
744887Schin #define FS3D_ON		FS3D_OP_ON
754887Schin #define FS3D_TEST	FS3D_OP_TEST
764887Schin #define FS3D_LIMIT(n)	FS3D_OP(FS3D_OP_LIMIT,n)
774887Schin 
784887Schin #define FS3D_op(x)	((x)&07)
794887Schin #define FS3D_arg(x)	(((x)>>3)&07777)
804887Schin 
814887Schin #define FS3D_OP_OFF	0
824887Schin #define FS3D_OP_ON	1
834887Schin #define FS3D_OP_TEST	2
844887Schin #define FS3D_OP_LIMIT	3
854887Schin #define FS3D_OP_INIT	7
864887Schin 
874887Schin /*
884887Schin  * mount(2) ops
894887Schin  */
904887Schin 
914887Schin #define FS3D_ALL	(FS3D_VIEW|FS3D_VERSION)
924887Schin #define FS3D_VIEW	002
934887Schin #define FS3D_VERSION	004
944887Schin #define FS3D_GET	010
954887Schin #define FS3D_SIZE(n)	((n)<<4)
964887Schin #define FS3D_SIZEOF(n)	((n)>>4)
974887Schin 
9810898Sroland.mainz@nrubsig.org #if !_BLD_3d
9910898Sroland.mainz@nrubsig.org #define mount(s,t,f,d)	fs3d_mount(s,t,f,d)
10010898Sroland.mainz@nrubsig.org #endif
1014887Schin 
1024887Schin #if _BLD_ast && defined(__EXPORT__)
1034887Schin #define extern		__EXPORT__
1044887Schin #endif
1054887Schin 
1064887Schin extern int		fs3d(int);
10710898Sroland.mainz@nrubsig.org extern int		fs3d_mount(const char*, char*, int, void*);
1084887Schin extern char*		pathnext(char*, char*, long*);
1094887Schin 
1104887Schin #undef	extern
1114887Schin 
1124887Schin #endif
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