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wdenkfe8c2802002-11-03 00:38:21 +00001/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * See also Linux sources, fs/partitions/mac.h
26 *
27 * This file describes structures and values related to the standard
28 * Apple SCSI disk partitioning scheme. For more information see:
29 * http://developer.apple.com/techpubs/mac/Devices/Devices-126.html#MARKER-14-92
30 */
31
32#ifndef _DISK_PART_MAC_H
33#define _DISK_PART_MAC_H
34
35#define MAC_DRIVER_MAGIC 0x4552
36
37/*
38 * Driver Descriptor Structure, in block 0.
39 * This block is (and shall remain) 512 bytes long.
40 * Note that there is an alignment problem for the driver descriptor map!
41 */
42typedef struct mac_driver_desc {
43 __u16 signature; /* expected to be MAC_DRIVER_MAGIC */
44 __u16 blk_size; /* block size of device */
45 __u32 blk_count; /* number of blocks on device */
46 __u16 dev_type; /* device type */
47 __u16 dev_id; /* device id */
48 __u32 data; /* reserved */
49 __u16 drvr_cnt; /* number of driver descriptor entries */
50 __u16 drvr_map[247]; /* driver descriptor map */
51} mac_driver_desc_t;
52
53/*
54 * Device Driver Entry
55 * (Cannot be included in mac_driver_desc because of alignment problems)
56 */
57typedef struct mac_driver_entry {
58 __u32 block; /* block number of starting block */
59 __u16 size; /* size of driver, in 512 byte blocks */
60 __u16 type; /* OS Type */
61} mac_driver_entry_t;
62
63
64#define MAC_PARTITION_MAGIC 0x504d
65
66/* type field value for A/UX or other Unix partitions */
67#define APPLE_AUX_TYPE "Apple_UNIX_SVR2"
68
69/*
70 * Each Partition Map entry (in blocks 1 ... N) has this format:
71 */
72typedef struct mac_partition {
73 __u16 signature; /* expected to be MAC_PARTITION_MAGIC */
74 __u16 sig_pad; /* reserved */
75 __u32 map_count; /* # blocks in partition map */
76 __u32 start_block; /* abs. starting block # of partition */
77 __u32 block_count; /* number of blocks in partition */
78 uchar name[32]; /* partition name */
79 uchar type[32]; /* string type description */
80 __u32 data_start; /* rel block # of first data block */
81 __u32 data_count; /* number of data blocks */
82 __u32 status; /* partition status bits */
83 __u32 boot_start; /* first block of boot code */
84 __u32 boot_size; /* size of boot code, in bytes */
85 __u32 boot_load; /* boot code load address */
86 __u32 boot_load2; /* reserved */
87 __u32 boot_entry; /* boot code entry point */
88 __u32 boot_entry2; /* reserved */
89 __u32 boot_cksum; /* boot code checksum */
90 uchar processor[16]; /* Type of Processor */
91 __u16 part_pad[188]; /* reserved */
wdenkc7de8292002-11-19 11:04:11 +000092#ifdef CONFIG_ISO_PARTITION
wdenk8bde7f72003-06-27 21:31:46 +000093 uchar iso_dummy[2048];/* Reservere enough room for an ISO partition block to fit */
wdenkc7de8292002-11-19 11:04:11 +000094#endif
wdenkfe8c2802002-11-03 00:38:21 +000095} mac_partition_t;
96
97#define MAC_STATUS_BOOTABLE 8 /* partition is bootable */
98
99#endif /* _DISK_PART_MAC_H */