2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
13 typedef struct block_dev_desc {
14 int if_type; /* type of the interface */
15 int dev; /* device number */
16 unsigned char part_type; /* partition type */
17 unsigned char target; /* target SCSI ID */
18 unsigned char lun; /* target LUN */
19 unsigned char type; /* device type */
20 unsigned char removable; /* removable device */
22 unsigned char lba48; /* device can use 48bit addr (ATA/ATAPI v7) */
24 lbaint_t lba; /* number of blocks */
25 unsigned long blksz; /* block size */
26 int log2blksz; /* for convenience: log2(blksz) */
27 char vendor [40+1]; /* IDE model, SCSI Vendor */
28 char product[20+1]; /* IDE Serial no, SCSI product */
29 char revision[8+1]; /* firmware revision */
30 unsigned long (*block_read)(int dev,
34 unsigned long (*block_write)(int dev,
38 unsigned long (*block_erase)(int dev,
41 void *priv; /* driver private struct pointer */
44 #define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz))
45 #define PAD_TO_BLOCKSIZE(size, block_dev_desc) \
46 (PAD_SIZE(size, block_dev_desc->blksz))
47 #define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \
48 ((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \
49 ((x & 0xffff0000) ? 16 : 0))
50 #define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1))
52 /* Interface types: */
53 #define IF_TYPE_UNKNOWN 0
55 #define IF_TYPE_SCSI 2
56 #define IF_TYPE_ATAPI 3
61 #define IF_TYPE_SATA 8
62 #define IF_TYPE_HOST 9
63 #define IF_TYPE_MAX 10 /* Max number of IF_TYPE_* supported */
66 #define PART_TYPE_UNKNOWN 0x00
67 #define PART_TYPE_MAC 0x01
68 #define PART_TYPE_DOS 0x02
69 #define PART_TYPE_ISO 0x03
70 #define PART_TYPE_AMIGA 0x04
71 #define PART_TYPE_EFI 0x05
74 * Type string for U-Boot bootable partitions
76 #define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */
77 #define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */
80 #define DEV_TYPE_UNKNOWN 0xff /* not connected */
81 #define DEV_TYPE_HARDDISK 0x00 /* harddisk */
82 #define DEV_TYPE_TAPE 0x01 /* Tape */
83 #define DEV_TYPE_CDROM 0x05 /* CD-ROM */
84 #define DEV_TYPE_OPDISK 0x07 /* optical disk */
86 typedef struct disk_partition {
87 lbaint_t start; /* # of first block in partition */
88 lbaint_t size; /* number of blocks in partition */
89 ulong blksz; /* block size in bytes */
90 uchar name[32]; /* partition name */
91 uchar type[32]; /* string type description */
92 int bootable; /* Active/Bootable flag is set */
93 #ifdef CONFIG_PARTITION_UUIDS
94 char uuid[37]; /* filesystem UUID as string, if exists */
98 /* Misc _get_dev functions */
99 #ifdef CONFIG_PARTITIONS
100 block_dev_desc_t *get_dev(const char *ifname, int dev);
101 block_dev_desc_t* ide_get_dev(int dev);
102 block_dev_desc_t* sata_get_dev(int dev);
103 block_dev_desc_t* scsi_get_dev(int dev);
104 block_dev_desc_t* usb_stor_get_dev(int dev);
105 block_dev_desc_t* mmc_get_dev(int dev);
106 int mmc_select_hwpart(int dev_num, int hwpart);
107 block_dev_desc_t* systemace_get_dev(int dev);
108 block_dev_desc_t* mg_disk_get_dev(int dev);
109 block_dev_desc_t *host_get_dev(int dev);
110 int host_get_dev_err(int dev, block_dev_desc_t **blk_devp);
113 int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
114 void print_part (block_dev_desc_t *dev_desc);
115 void init_part (block_dev_desc_t *dev_desc);
116 void dev_print(block_dev_desc_t *dev_desc);
117 int get_device(const char *ifname, const char *dev_str,
118 block_dev_desc_t **dev_desc);
119 int get_device_and_partition(const char *ifname, const char *dev_part_str,
120 block_dev_desc_t **dev_desc,
121 disk_partition_t *info, int allow_whole_dev);
123 static inline block_dev_desc_t *get_dev(const char *ifname, int dev)
125 static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; }
126 static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
127 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
128 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; }
129 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; }
130 static inline int mmc_select_hwpart(int dev_num, int hwpart) { return -1; }
131 static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; }
132 static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; }
133 static inline block_dev_desc_t *host_get_dev(int dev) { return NULL; }
135 static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
136 disk_partition_t *info) { return -1; }
137 static inline void print_part (block_dev_desc_t *dev_desc) {}
138 static inline void init_part (block_dev_desc_t *dev_desc) {}
139 static inline void dev_print(block_dev_desc_t *dev_desc) {}
140 static inline int get_device(const char *ifname, const char *dev_str,
141 block_dev_desc_t **dev_desc)
143 static inline int get_device_and_partition(const char *ifname,
144 const char *dev_part_str,
145 block_dev_desc_t **dev_desc,
146 disk_partition_t *info,
148 { *dev_desc = NULL; return -1; }
151 #ifdef CONFIG_MAC_PARTITION
152 /* disk/part_mac.c */
153 int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
154 void print_part_mac (block_dev_desc_t *dev_desc);
155 int test_part_mac (block_dev_desc_t *dev_desc);
158 #ifdef CONFIG_DOS_PARTITION
159 /* disk/part_dos.c */
160 int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
161 void print_part_dos (block_dev_desc_t *dev_desc);
162 int test_part_dos (block_dev_desc_t *dev_desc);
165 #ifdef CONFIG_ISO_PARTITION
166 /* disk/part_iso.c */
167 int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
168 void print_part_iso (block_dev_desc_t *dev_desc);
169 int test_part_iso (block_dev_desc_t *dev_desc);
172 #ifdef CONFIG_AMIGA_PARTITION
173 /* disk/part_amiga.c */
174 int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
175 void print_part_amiga (block_dev_desc_t *dev_desc);
176 int test_part_amiga (block_dev_desc_t *dev_desc);
179 #ifdef CONFIG_EFI_PARTITION
180 #include <part_efi.h>
181 /* disk/part_efi.c */
182 int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
184 * get_partition_info_efi_by_name() - Find the specified GPT partition table entry
186 * @param dev_desc - block device descriptor
187 * @param gpt_name - the specified table entry name
188 * @param info - returns the disk partition info
190 * @return - '0' on match, '-1' on no match, otherwise error
192 int get_partition_info_efi_by_name(block_dev_desc_t *dev_desc,
193 const char *name, disk_partition_t *info);
194 void print_part_efi (block_dev_desc_t *dev_desc);
195 int test_part_efi (block_dev_desc_t *dev_desc);
198 * write_gpt_table() - Write the GUID Partition Table to disk
200 * @param dev_desc - block device descriptor
201 * @param gpt_h - pointer to GPT header representation
202 * @param gpt_e - pointer to GPT partition table entries
204 * @return - zero on success, otherwise error
206 int write_gpt_table(block_dev_desc_t *dev_desc,
207 gpt_header *gpt_h, gpt_entry *gpt_e);
210 * gpt_fill_pte(): Fill the GPT partition table entry
212 * @param gpt_h - GPT header representation
213 * @param gpt_e - GPT partition table entries
214 * @param partitions - list of partitions
215 * @param parts - number of partitions
217 * @return zero on success
219 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
220 disk_partition_t *partitions, int parts);
223 * gpt_fill_header(): Fill the GPT header
225 * @param dev_desc - block device descriptor
226 * @param gpt_h - GPT header representation
227 * @param str_guid - disk guid string representation
228 * @param parts_count - number of partitions
230 * @return - error on str_guid conversion error
232 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
233 char *str_guid, int parts_count);
236 * gpt_restore(): Restore GPT partition table
238 * @param dev_desc - block device descriptor
239 * @param str_disk_guid - disk GUID
240 * @param partitions - list of partitions
241 * @param parts - number of partitions
243 * @return zero on success
245 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
246 disk_partition_t *partitions, const int parts_count);