2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
28 typedef 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 */
37 unsigned char lba48; /* device can use 48bit addr (ATA/ATAPI v7) */
39 lbaint_t lba; /* number of blocks */
40 unsigned long blksz; /* block size */
41 char vendor [40+1]; /* IDE model, SCSI Vendor */
42 char product[20+1]; /* IDE Serial no, SCSI product */
43 char revision[8+1]; /* firmware revision */
44 unsigned long (*block_read)(int dev,
48 unsigned long (*block_write)(int dev,
52 unsigned long (*block_erase)(int dev,
55 void *priv; /* driver private struct pointer */
58 #define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz))
59 #define PAD_TO_BLOCKSIZE(size, block_dev_desc) \
60 (PAD_SIZE(size, block_dev_desc->blksz))
62 /* Interface types: */
63 #define IF_TYPE_UNKNOWN 0
65 #define IF_TYPE_SCSI 2
66 #define IF_TYPE_ATAPI 3
71 #define IF_TYPE_SATA 8
74 #define PART_TYPE_UNKNOWN 0x00
75 #define PART_TYPE_MAC 0x01
76 #define PART_TYPE_DOS 0x02
77 #define PART_TYPE_ISO 0x03
78 #define PART_TYPE_AMIGA 0x04
79 #define PART_TYPE_EFI 0x05
82 * Type string for U-Boot bootable partitions
84 #define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */
85 #define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */
88 #define DEV_TYPE_UNKNOWN 0xff /* not connected */
89 #define DEV_TYPE_HARDDISK 0x00 /* harddisk */
90 #define DEV_TYPE_TAPE 0x01 /* Tape */
91 #define DEV_TYPE_CDROM 0x05 /* CD-ROM */
92 #define DEV_TYPE_OPDISK 0x07 /* optical disk */
94 typedef struct disk_partition {
95 ulong start; /* # of first block in partition */
96 ulong size; /* number of blocks in partition */
97 ulong blksz; /* block size in bytes */
98 uchar name[32]; /* partition name */
99 uchar type[32]; /* string type description */
100 int bootable; /* Active/Bootable flag is set */
101 #ifdef CONFIG_PARTITION_UUIDS
102 char uuid[37]; /* filesystem UUID as string, if exists */
106 /* Misc _get_dev functions */
107 #ifdef CONFIG_PARTITIONS
108 block_dev_desc_t *get_dev(const char *ifname, int dev);
109 block_dev_desc_t* ide_get_dev(int dev);
110 block_dev_desc_t* sata_get_dev(int dev);
111 block_dev_desc_t* scsi_get_dev(int dev);
112 block_dev_desc_t* usb_stor_get_dev(int dev);
113 block_dev_desc_t* mmc_get_dev(int dev);
114 block_dev_desc_t* systemace_get_dev(int dev);
115 block_dev_desc_t* mg_disk_get_dev(int dev);
118 int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
119 void print_part (block_dev_desc_t *dev_desc);
120 void init_part (block_dev_desc_t *dev_desc);
121 void dev_print(block_dev_desc_t *dev_desc);
122 int get_device(const char *ifname, const char *dev_str,
123 block_dev_desc_t **dev_desc);
124 int get_device_and_partition(const char *ifname, const char *dev_part_str,
125 block_dev_desc_t **dev_desc,
126 disk_partition_t *info, int allow_whole_dev);
128 static inline block_dev_desc_t *get_dev(const char *ifname, int dev)
130 static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; }
131 static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
132 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
133 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; }
134 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; }
135 static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; }
136 static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; }
138 static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
139 disk_partition_t *info) { return -1; }
140 static inline void print_part (block_dev_desc_t *dev_desc) {}
141 static inline void init_part (block_dev_desc_t *dev_desc) {}
142 static inline void dev_print(block_dev_desc_t *dev_desc) {}
143 static inline int get_device(const char *ifname, const char *dev_str,
144 block_dev_desc_t **dev_desc)
146 static inline int get_device_and_partition(const char *ifname,
147 const char *dev_part_str,
148 block_dev_desc_t **dev_desc,
149 disk_partition_t *info,
151 { *dev_desc = NULL; return -1; }
154 #ifdef CONFIG_MAC_PARTITION
155 /* disk/part_mac.c */
156 int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
157 void print_part_mac (block_dev_desc_t *dev_desc);
158 int test_part_mac (block_dev_desc_t *dev_desc);
161 #ifdef CONFIG_DOS_PARTITION
162 /* disk/part_dos.c */
163 int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
164 void print_part_dos (block_dev_desc_t *dev_desc);
165 int test_part_dos (block_dev_desc_t *dev_desc);
168 #ifdef CONFIG_ISO_PARTITION
169 /* disk/part_iso.c */
170 int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
171 void print_part_iso (block_dev_desc_t *dev_desc);
172 int test_part_iso (block_dev_desc_t *dev_desc);
175 #ifdef CONFIG_AMIGA_PARTITION
176 /* disk/part_amiga.c */
177 int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
178 void print_part_amiga (block_dev_desc_t *dev_desc);
179 int test_part_amiga (block_dev_desc_t *dev_desc);
182 #ifdef CONFIG_EFI_PARTITION
183 #include <part_efi.h>
184 /* disk/part_efi.c */
185 int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
186 void print_part_efi (block_dev_desc_t *dev_desc);
187 int test_part_efi (block_dev_desc_t *dev_desc);
190 * write_gpt_table() - Write the GUID Partition Table to disk
192 * @param dev_desc - block device descriptor
193 * @param gpt_h - pointer to GPT header representation
194 * @param gpt_e - pointer to GPT partition table entries
196 * @return - zero on success, otherwise error
198 int write_gpt_table(block_dev_desc_t *dev_desc,
199 gpt_header *gpt_h, gpt_entry *gpt_e);
202 * gpt_fill_pte(): Fill the GPT partition table entry
204 * @param gpt_h - GPT header representation
205 * @param gpt_e - GPT partition table entries
206 * @param partitions - list of partitions
207 * @param parts - number of partitions
209 * @return zero on success
211 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
212 disk_partition_t *partitions, int parts);
215 * gpt_fill_header(): Fill the GPT header
217 * @param dev_desc - block device descriptor
218 * @param gpt_h - GPT header representation
219 * @param str_guid - disk guid string representation
220 * @param parts_count - number of partitions
222 * @return - error on str_guid conversion error
224 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
225 char *str_guid, int parts_count);
228 * gpt_restore(): Restore GPT partition table
230 * @param dev_desc - block device descriptor
231 * @param str_disk_guid - disk GUID
232 * @param partitions - list of partitions
233 * @param parts - number of partitions
235 * @return zero on success
237 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
238 disk_partition_t *partitions, const int parts_count);