xref: /onnv-gate/usr/src/lib/libparted/common/include/parted/geom.h (revision 9663:ace9a2ac3683)
1 /*
2     libparted - a library for manipulating disk partitions
3     Copyright (C) 1998-2001, 2005, 2006, 2007 Free Software Foundation, Inc.
4 
5     This program is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published by
7     the Free Software Foundation; either version 3 of the License, or
8     (at your option) any later version.
9 
10     This program is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13     GNU General Public License for more details.
14 
15     You should have received a copy of the GNU General Public License
16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
17 */
18 
19 /**
20  * \addtogroup PedGeometry
21  * @{
22  */
23 
24 /** \file geom.h */
25 
26 #ifndef PED_GEOM_H_INCLUDED
27 #define PED_GEOM_H_INCLUDED
28 
29 #include <parted/device.h>
30 #include <parted/timer.h>
31 
32 typedef struct _PedGeometry	PedGeometry;
33 
34 /**
35  * Geometry of the partition
36  */
37 struct _PedGeometry {
38 	PedDevice*		dev;
39 	PedSector		start;
40 	PedSector		length;
41 	PedSector		end;
42 };
43 
44 extern int ped_geometry_init (PedGeometry* geom, const PedDevice* dev,
45 			      PedSector start, PedSector length);
46 extern PedGeometry* ped_geometry_new (const PedDevice* dev, PedSector start,
47 				      PedSector length);
48 extern PedGeometry* ped_geometry_duplicate (const PedGeometry* geom);
49 extern PedGeometry* ped_geometry_intersect (const PedGeometry* a,
50 	       				    const PedGeometry* b);
51 extern void ped_geometry_destroy (PedGeometry* geom);
52 extern int ped_geometry_set (PedGeometry* geom, PedSector start,
53 			     PedSector length);
54 extern int ped_geometry_set_start (PedGeometry* geom, PedSector start);
55 extern int ped_geometry_set_end (PedGeometry* geom, PedSector end);
56 extern int ped_geometry_test_overlap (const PedGeometry* a,
57 	       			      const PedGeometry* b);
58 extern int ped_geometry_test_inside (const PedGeometry* a,
59 				     const PedGeometry* b);
60 extern int ped_geometry_test_equal (const PedGeometry* a, const PedGeometry* b);
61 extern int ped_geometry_test_sector_inside (const PedGeometry* geom,
62 	       				    PedSector sect);
63 
64 extern int ped_geometry_read (const PedGeometry* geom, void* buffer,
65 			      PedSector offset, PedSector count);
66 extern int ped_geometry_write (PedGeometry* geom, const void* buffer,
67 			       PedSector offset, PedSector count);
68 extern PedSector ped_geometry_check (PedGeometry* geom, void* buffer,
69 				     PedSector buffer_size, PedSector offset,
70 				     PedSector granularity, PedSector count,
71 				     PedTimer* timer);
72 extern int ped_geometry_sync (PedGeometry* geom);
73 extern int ped_geometry_sync_fast (PedGeometry* geom);
74 
75 /* returns -1 if "sector" is not within dest's space. */
76 extern PedSector ped_geometry_map (const PedGeometry* dst,
77 				   const PedGeometry* src,
78 				   PedSector sector);
79 
80 #endif /* PED_GEOM_H_INCLUDED */
81 
82 /** @} */
83 
84