amiga.h revision 9663:ace9a2ac3683 
1/*
2    util.h -- amiga partition table headers.
3    Copyright (C) 1998-2000, 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
19struct PartitionBlock {
20    uint32_t	pb_ID;			/* Identifier 32 bit word : 'PART' */
21    uint32_t	pb_SummedLongs;		/* Size of the structure for checksums */
22    int32_t	pb_ChkSum;		/* Checksum of the structure */
23    uint32_t	pb_HostID;		/* SCSI Target ID of host, not really used */
24    uint32_t	pb_Next;		/* Block number of the next PartitionBlock */
25    uint32_t	pb_Flags;		/* Part Flags (NOMOUNT and BOOTABLE) */
26    uint32_t	pb_Reserved1[2];
27    uint32_t	pb_DevFlags;		/* Preferred flags for OpenDevice */
28    uint8_t	pb_DriveName[32];	/* Preferred DOS device name: BSTR form */
29    uint32_t	pb_Reserved2[15];
30    uint32_t	de_TableSize;		/* Size of Environment vector */
31    uint32_t	de_SizeBlock;		/* Size of the blocks in 32 bit words, usually 128 */
32    uint32_t	de_SecOrg;	     	/* Not used; must be 0 */
33    uint32_t	de_Surfaces;		/* Number of heads (surfaces) */
34    uint32_t	de_SectorPerBlock;	/* Disk sectors per block, used with SizeBlock, usually 1 */
35    uint32_t	de_BlocksPerTrack;	/* Blocks per track. drive specific */
36    uint32_t	de_Reserved;		/* DOS reserved blocks at start of partition. */
37    uint32_t	de_PreAlloc;		/* DOS reserved blocks at end of partition */
38    uint32_t	de_Interleave;		/* Not used, usually 0 */
39    uint32_t	de_LowCyl;		/* First cylinder of the partition */
40    uint32_t	de_HighCyl;		/* Last cylinder of the partition */
41    uint32_t	de_NumBuffers;		/* Initial # DOS of buffers.  */
42    uint32_t	de_BufMemType;		/* Type of mem to allocate for buffers */
43    uint32_t	de_MaxTransfer;		/* Max number of bytes to transfer at a time */
44    uint32_t	de_Mask;		/* Address Mask to block out certain memory */
45    int32_t	de_BootPri;		/* Boot priority for autoboot */
46    uint32_t	de_DosType;		/* Dostype of the file system */
47    uint32_t	de_Baud;		/* Baud rate for serial handler */
48    uint32_t	de_Control;		/* Control word for handler/filesystem */
49    uint32_t	de_BootBlocks;		/* Number of blocks containing boot code */
50    uint32_t	pb_EReserved[12];
51};
52
53#define PART(pos) ((struct PartitionBlock *)(pos))
54
55#define	PBFB_BOOTABLE	0	/* this partition is intended to be bootable */
56#define	PBFF_BOOTABLE	1L	/*   (expected directories and files exist) */
57#define	PBFB_NOMOUNT	1	/* do not mount this partition (e.g. manually */
58#define	PBFF_NOMOUNT	2L	/*   mounted, but space reserved here) */
59
60struct PartitionBlock * amiga_find_part (PedGeometry *geom, struct PartitionBlock *part);
61
62struct AmigaIds {
63	uint32_t ID;
64	struct AmigaIds *next;
65};
66
67struct AmigaIds * _amiga_add_id (uint32_t id, struct AmigaIds *ids);
68void _amiga_free_ids (struct AmigaIds *ids);
69int _amiga_id_in_list (uint32_t id, struct AmigaIds *ids);
70
71