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Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
[J-u-boot.git] / include / part.h
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1/*
2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, [email protected].
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#ifndef _PART_H
24#define _PART_H
25
26#include <ide.h>
27
28typedef struct block_dev_desc {
29 int if_type; /* type of the interface */
30 int dev; /* device number */
31 unsigned char part_type; /* partition type */
32 unsigned char target; /* target SCSI ID */
33 unsigned char lun; /* target LUN */
34 unsigned char type; /* device type */
35 unsigned char removable; /* removable device */
36#ifdef CONFIG_LBA48
37 unsigned char lba48; /* device can use 48bit addr (ATA/ATAPI v7) */
38#endif
39 lbaint_t lba; /* number of blocks */
40 unsigned long blksz; /* block size */
41 int log2blksz; /* for convenience: log2(blksz) */
42 char vendor [40+1]; /* IDE model, SCSI Vendor */
43 char product[20+1]; /* IDE Serial no, SCSI product */
44 char revision[8+1]; /* firmware revision */
45 unsigned long (*block_read)(int dev,
46 unsigned long start,
47 lbaint_t blkcnt,
48 void *buffer);
49 unsigned long (*block_write)(int dev,
50 unsigned long start,
51 lbaint_t blkcnt,
52 const void *buffer);
53 unsigned long (*block_erase)(int dev,
54 unsigned long start,
55 lbaint_t blkcnt);
56 void *priv; /* driver private struct pointer */
57}block_dev_desc_t;
58
59#define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz))
60#define PAD_TO_BLOCKSIZE(size, block_dev_desc) \
61 (PAD_SIZE(size, block_dev_desc->blksz))
62#define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \
63 ((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \
64 ((x & 0xffff0000) ? 16 : 0))
65#define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1))
66
67/* Interface types: */
68#define IF_TYPE_UNKNOWN 0
69#define IF_TYPE_IDE 1
70#define IF_TYPE_SCSI 2
71#define IF_TYPE_ATAPI 3
72#define IF_TYPE_USB 4
73#define IF_TYPE_DOC 5
74#define IF_TYPE_MMC 6
75#define IF_TYPE_SD 7
76#define IF_TYPE_SATA 8
77
78/* Part types */
79#define PART_TYPE_UNKNOWN 0x00
80#define PART_TYPE_MAC 0x01
81#define PART_TYPE_DOS 0x02
82#define PART_TYPE_ISO 0x03
83#define PART_TYPE_AMIGA 0x04
84#define PART_TYPE_EFI 0x05
85
86/*
87 * Type string for U-Boot bootable partitions
88 */
89#define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */
90#define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */
91
92/* device types */
93#define DEV_TYPE_UNKNOWN 0xff /* not connected */
94#define DEV_TYPE_HARDDISK 0x00 /* harddisk */
95#define DEV_TYPE_TAPE 0x01 /* Tape */
96#define DEV_TYPE_CDROM 0x05 /* CD-ROM */
97#define DEV_TYPE_OPDISK 0x07 /* optical disk */
98
99typedef struct disk_partition {
100 ulong start; /* # of first block in partition */
101 ulong size; /* number of blocks in partition */
102 ulong blksz; /* block size in bytes */
103 uchar name[32]; /* partition name */
104 uchar type[32]; /* string type description */
105 int bootable; /* Active/Bootable flag is set */
106#ifdef CONFIG_PARTITION_UUIDS
107 char uuid[37]; /* filesystem UUID as string, if exists */
108#endif
109} disk_partition_t;
110
111/* Misc _get_dev functions */
112#ifdef CONFIG_PARTITIONS
113block_dev_desc_t *get_dev(const char *ifname, int dev);
114block_dev_desc_t* ide_get_dev(int dev);
115block_dev_desc_t* sata_get_dev(int dev);
116block_dev_desc_t* scsi_get_dev(int dev);
117block_dev_desc_t* usb_stor_get_dev(int dev);
118block_dev_desc_t* mmc_get_dev(int dev);
119block_dev_desc_t* systemace_get_dev(int dev);
120block_dev_desc_t* mg_disk_get_dev(int dev);
121
122/* disk/part.c */
123int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
124void print_part (block_dev_desc_t *dev_desc);
125void init_part (block_dev_desc_t *dev_desc);
126void dev_print(block_dev_desc_t *dev_desc);
127int get_device(const char *ifname, const char *dev_str,
128 block_dev_desc_t **dev_desc);
129int get_device_and_partition(const char *ifname, const char *dev_part_str,
130 block_dev_desc_t **dev_desc,
131 disk_partition_t *info, int allow_whole_dev);
132#else
133static inline block_dev_desc_t *get_dev(const char *ifname, int dev)
134{ return NULL; }
135static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; }
136static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
137static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
138static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; }
139static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; }
140static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; }
141static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; }
142
143static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
144 disk_partition_t *info) { return -1; }
145static inline void print_part (block_dev_desc_t *dev_desc) {}
146static inline void init_part (block_dev_desc_t *dev_desc) {}
147static inline void dev_print(block_dev_desc_t *dev_desc) {}
148static inline int get_device(const char *ifname, const char *dev_str,
149 block_dev_desc_t **dev_desc)
150{ return -1; }
151static inline int get_device_and_partition(const char *ifname,
152 const char *dev_part_str,
153 block_dev_desc_t **dev_desc,
154 disk_partition_t *info,
155 int allow_whole_dev)
156{ *dev_desc = NULL; return -1; }
157#endif
158
159#ifdef CONFIG_MAC_PARTITION
160/* disk/part_mac.c */
161int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
162void print_part_mac (block_dev_desc_t *dev_desc);
163int test_part_mac (block_dev_desc_t *dev_desc);
164#endif
165
166#ifdef CONFIG_DOS_PARTITION
167/* disk/part_dos.c */
168int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
169void print_part_dos (block_dev_desc_t *dev_desc);
170int test_part_dos (block_dev_desc_t *dev_desc);
171#endif
172
173#ifdef CONFIG_ISO_PARTITION
174/* disk/part_iso.c */
175int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
176void print_part_iso (block_dev_desc_t *dev_desc);
177int test_part_iso (block_dev_desc_t *dev_desc);
178#endif
179
180#ifdef CONFIG_AMIGA_PARTITION
181/* disk/part_amiga.c */
182int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
183void print_part_amiga (block_dev_desc_t *dev_desc);
184int test_part_amiga (block_dev_desc_t *dev_desc);
185#endif
186
187#ifdef CONFIG_EFI_PARTITION
188#include <part_efi.h>
189/* disk/part_efi.c */
190int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
191void print_part_efi (block_dev_desc_t *dev_desc);
192int test_part_efi (block_dev_desc_t *dev_desc);
193
194/**
195 * write_gpt_table() - Write the GUID Partition Table to disk
196 *
197 * @param dev_desc - block device descriptor
198 * @param gpt_h - pointer to GPT header representation
199 * @param gpt_e - pointer to GPT partition table entries
200 *
201 * @return - zero on success, otherwise error
202 */
203int write_gpt_table(block_dev_desc_t *dev_desc,
204 gpt_header *gpt_h, gpt_entry *gpt_e);
205
206/**
207 * gpt_fill_pte(): Fill the GPT partition table entry
208 *
209 * @param gpt_h - GPT header representation
210 * @param gpt_e - GPT partition table entries
211 * @param partitions - list of partitions
212 * @param parts - number of partitions
213 *
214 * @return zero on success
215 */
216int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
217 disk_partition_t *partitions, int parts);
218
219/**
220 * gpt_fill_header(): Fill the GPT header
221 *
222 * @param dev_desc - block device descriptor
223 * @param gpt_h - GPT header representation
224 * @param str_guid - disk guid string representation
225 * @param parts_count - number of partitions
226 *
227 * @return - error on str_guid conversion error
228 */
229int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
230 char *str_guid, int parts_count);
231
232/**
233 * gpt_restore(): Restore GPT partition table
234 *
235 * @param dev_desc - block device descriptor
236 * @param str_disk_guid - disk GUID
237 * @param partitions - list of partitions
238 * @param parts - number of partitions
239 *
240 * @return zero on success
241 */
242int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
243 disk_partition_t *partitions, const int parts_count);
244#endif
245
246#endif /* _PART_H */
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