disklabel.h

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    1 /*
    2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
    3  * 
    4  * This code is derived from software contributed to The DragonFly Project
    5  * by Matthew Dillon <dillon@backplane.com>
    6  * 
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in
   15  *    the documentation and/or other materials provided with the
   16  *    distribution.
   17  * 3. Neither the name of The DragonFly Project nor the names of its
   18  *    contributors may be used to endorse or promote products derived
   19  *    from this software without specific, prior written permission.
   20  * 
   21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
   25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
   27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  * 
   34  * $DragonFly: src/sys/sys/disklabel.h,v 1.29 2007/06/19 06:07:51 dillon Exp $
   35  */
   36 /*
   37  * Disklabel abstraction
   38  */
   39 
   40 #ifndef _SYS_DISKLABEL_H_
   41 #define _SYS_DISKLABEL_H_
   42 
   43 #ifndef _SYS_TYPES_H_
   44 #include <sys/types.h>
   45 #endif
   46 #ifndef _SYS_UUID_H_
   47 #include <sys/uuid.h>
   48 #endif
   49 
   50 struct disklabel32;
   51 struct disklabel64;
   52 
   53 typedef union abstracted_disklabel {
   54         void                    *opaque;
   55         struct disklabel32      *lab32;
   56         struct disklabel64      *lab64;
   57 } disklabel_t;
   58 
   59 struct cdev;
   60 struct diskslice;
   61 struct diskslices;
   62 struct disk_info;
   63 struct partinfo;
   64 
   65 struct disklabel_ops {
   66         struct uuid type;       /* uuid specifies disklabel type */
   67         int labelsize;          /* size of disklabel in bytes */
   68 
   69         const char *(*op_readdisklabel)
   70                     (struct cdev *, struct diskslice *, disklabel_t *,
   71                      struct disk_info *);
   72         int (*op_setdisklabel)
   73                     (disklabel_t, disklabel_t, struct diskslices *,
   74                      struct diskslice *, u_int32_t *);
   75         int (*op_writedisklabel)
   76                     (struct cdev *, struct diskslices *, struct diskslice *,
   77                      disklabel_t);
   78         disklabel_t (*op_clone_label)
   79                     (struct disk_info *, struct diskslice *);
   80         void (*op_adjust_label_reserved)
   81                     (struct diskslices *, int, struct diskslice *);
   82         int (*op_getpartbounds)
   83                     (struct diskslices *, disklabel_t, u_int32_t,
   84                      u_int64_t *, u_int64_t *);
   85         void (*op_loadpartinfo)
   86                     (disklabel_t, u_int32_t, struct partinfo *);
   87         u_int32_t (*op_getnumparts)
   88                     (disklabel_t);
   89         void (*op_makevirginlabel)
   90                     (disklabel_t, struct diskslices *,
   91                      struct diskslice *, struct disk_info *);
   92         void (*op_freedisklabel)
   93                     (disklabel_t *);
   94 };
   95 
   96 typedef struct disklabel_ops    *disklabel_ops_t;
   97 
   98 #endif /* !_SYS_DISKLABEL_H_ */
   99

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FreeBSD/Linux Kernel Cross Reference sys/sys/disklabel.h

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sys/sys/disklabel.h