]>
git.ipfire.org Git - people/ms/u-boot.git/blob - include/part.h
2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
12 typedef struct block_dev_desc
{
13 int if_type
; /* type of the interface */
14 int dev
; /* device number */
15 unsigned char part_type
; /* partition type */
16 unsigned char target
; /* target SCSI ID */
17 unsigned char lun
; /* target LUN */
18 unsigned char type
; /* device type */
19 unsigned char removable
; /* removable device */
21 unsigned char lba48
; /* device can use 48bit addr (ATA/ATAPI v7) */
23 lbaint_t lba
; /* number of blocks */
24 unsigned long blksz
; /* block size */
25 int log2blksz
; /* for convenience: log2(blksz) */
26 char vendor
[40+1]; /* IDE model, SCSI Vendor */
27 char product
[20+1]; /* IDE Serial no, SCSI product */
28 char revision
[8+1]; /* firmware revision */
29 unsigned long (*block_read
)(int dev
,
33 unsigned long (*block_write
)(int dev
,
37 unsigned long (*block_erase
)(int dev
,
40 void *priv
; /* driver private struct pointer */
43 #define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz))
44 #define PAD_TO_BLOCKSIZE(size, block_dev_desc) \
45 (PAD_SIZE(size, block_dev_desc->blksz))
46 #define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \
47 ((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \
48 ((x & 0xffff0000) ? 16 : 0))
49 #define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1))
51 /* Interface types: */
52 #define IF_TYPE_UNKNOWN 0
54 #define IF_TYPE_SCSI 2
55 #define IF_TYPE_ATAPI 3
60 #define IF_TYPE_SATA 8
63 #define PART_TYPE_UNKNOWN 0x00
64 #define PART_TYPE_MAC 0x01
65 #define PART_TYPE_DOS 0x02
66 #define PART_TYPE_ISO 0x03
67 #define PART_TYPE_AMIGA 0x04
68 #define PART_TYPE_EFI 0x05
71 * Type string for U-Boot bootable partitions
73 #define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */
74 #define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */
77 #define DEV_TYPE_UNKNOWN 0xff /* not connected */
78 #define DEV_TYPE_HARDDISK 0x00 /* harddisk */
79 #define DEV_TYPE_TAPE 0x01 /* Tape */
80 #define DEV_TYPE_CDROM 0x05 /* CD-ROM */
81 #define DEV_TYPE_OPDISK 0x07 /* optical disk */
83 typedef struct disk_partition
{
84 lbaint_t start
; /* # of first block in partition */
85 lbaint_t size
; /* number of blocks in partition */
86 ulong blksz
; /* block size in bytes */
87 uchar name
[32]; /* partition name */
88 uchar type
[32]; /* string type description */
89 int bootable
; /* Active/Bootable flag is set */
90 #ifdef CONFIG_PARTITION_UUIDS
91 char uuid
[37]; /* filesystem UUID as string, if exists */
95 /* Misc _get_dev functions */
96 #ifdef CONFIG_PARTITIONS
97 block_dev_desc_t
*get_dev(const char *ifname
, int dev
);
98 block_dev_desc_t
* ide_get_dev(int dev
);
99 block_dev_desc_t
* sata_get_dev(int dev
);
100 block_dev_desc_t
* scsi_get_dev(int dev
);
101 block_dev_desc_t
* usb_stor_get_dev(int dev
);
102 block_dev_desc_t
* mmc_get_dev(int dev
);
103 block_dev_desc_t
* systemace_get_dev(int dev
);
104 block_dev_desc_t
* mg_disk_get_dev(int dev
);
107 int get_partition_info (block_dev_desc_t
* dev_desc
, int part
, disk_partition_t
*info
);
108 void print_part (block_dev_desc_t
*dev_desc
);
109 void init_part (block_dev_desc_t
*dev_desc
);
110 void dev_print(block_dev_desc_t
*dev_desc
);
111 int get_device(const char *ifname
, const char *dev_str
,
112 block_dev_desc_t
**dev_desc
);
113 int get_device_and_partition(const char *ifname
, const char *dev_part_str
,
114 block_dev_desc_t
**dev_desc
,
115 disk_partition_t
*info
, int allow_whole_dev
);
117 static inline block_dev_desc_t
*get_dev(const char *ifname
, int dev
)
119 static inline block_dev_desc_t
* ide_get_dev(int dev
) { return NULL
; }
120 static inline block_dev_desc_t
* sata_get_dev(int dev
) { return NULL
; }
121 static inline block_dev_desc_t
* scsi_get_dev(int dev
) { return NULL
; }
122 static inline block_dev_desc_t
* usb_stor_get_dev(int dev
) { return NULL
; }
123 static inline block_dev_desc_t
* mmc_get_dev(int dev
) { return NULL
; }
124 static inline block_dev_desc_t
* systemace_get_dev(int dev
) { return NULL
; }
125 static inline block_dev_desc_t
* mg_disk_get_dev(int dev
) { return NULL
; }
127 static inline int get_partition_info (block_dev_desc_t
* dev_desc
, int part
,
128 disk_partition_t
*info
) { return -1; }
129 static inline void print_part (block_dev_desc_t
*dev_desc
) {}
130 static inline void init_part (block_dev_desc_t
*dev_desc
) {}
131 static inline void dev_print(block_dev_desc_t
*dev_desc
) {}
132 static inline int get_device(const char *ifname
, const char *dev_str
,
133 block_dev_desc_t
**dev_desc
)
135 static inline int get_device_and_partition(const char *ifname
,
136 const char *dev_part_str
,
137 block_dev_desc_t
**dev_desc
,
138 disk_partition_t
*info
,
140 { *dev_desc
= NULL
; return -1; }
143 #ifdef CONFIG_MAC_PARTITION
144 /* disk/part_mac.c */
145 int get_partition_info_mac (block_dev_desc_t
* dev_desc
, int part
, disk_partition_t
*info
);
146 void print_part_mac (block_dev_desc_t
*dev_desc
);
147 int test_part_mac (block_dev_desc_t
*dev_desc
);
150 #ifdef CONFIG_DOS_PARTITION
151 /* disk/part_dos.c */
152 int get_partition_info_dos (block_dev_desc_t
* dev_desc
, int part
, disk_partition_t
*info
);
153 void print_part_dos (block_dev_desc_t
*dev_desc
);
154 int test_part_dos (block_dev_desc_t
*dev_desc
);
157 #ifdef CONFIG_ISO_PARTITION
158 /* disk/part_iso.c */
159 int get_partition_info_iso (block_dev_desc_t
* dev_desc
, int part
, disk_partition_t
*info
);
160 void print_part_iso (block_dev_desc_t
*dev_desc
);
161 int test_part_iso (block_dev_desc_t
*dev_desc
);
164 #ifdef CONFIG_AMIGA_PARTITION
165 /* disk/part_amiga.c */
166 int get_partition_info_amiga (block_dev_desc_t
* dev_desc
, int part
, disk_partition_t
*info
);
167 void print_part_amiga (block_dev_desc_t
*dev_desc
);
168 int test_part_amiga (block_dev_desc_t
*dev_desc
);
171 #ifdef CONFIG_EFI_PARTITION
172 #include <part_efi.h>
173 /* disk/part_efi.c */
174 int get_partition_info_efi (block_dev_desc_t
* dev_desc
, int part
, disk_partition_t
*info
);
175 void print_part_efi (block_dev_desc_t
*dev_desc
);
176 int test_part_efi (block_dev_desc_t
*dev_desc
);
179 * write_gpt_table() - Write the GUID Partition Table to disk
181 * @param dev_desc - block device descriptor
182 * @param gpt_h - pointer to GPT header representation
183 * @param gpt_e - pointer to GPT partition table entries
185 * @return - zero on success, otherwise error
187 int write_gpt_table(block_dev_desc_t
*dev_desc
,
188 gpt_header
*gpt_h
, gpt_entry
*gpt_e
);
191 * gpt_fill_pte(): Fill the GPT partition table entry
193 * @param gpt_h - GPT header representation
194 * @param gpt_e - GPT partition table entries
195 * @param partitions - list of partitions
196 * @param parts - number of partitions
198 * @return zero on success
200 int gpt_fill_pte(gpt_header
*gpt_h
, gpt_entry
*gpt_e
,
201 disk_partition_t
*partitions
, int parts
);
204 * gpt_fill_header(): Fill the GPT header
206 * @param dev_desc - block device descriptor
207 * @param gpt_h - GPT header representation
208 * @param str_guid - disk guid string representation
209 * @param parts_count - number of partitions
211 * @return - error on str_guid conversion error
213 int gpt_fill_header(block_dev_desc_t
*dev_desc
, gpt_header
*gpt_h
,
214 char *str_guid
, int parts_count
);
217 * gpt_restore(): Restore GPT partition table
219 * @param dev_desc - block device descriptor
220 * @param str_disk_guid - disk GUID
221 * @param partitions - list of partitions
222 * @param parts - number of partitions
224 * @return zero on success
226 int gpt_restore(block_dev_desc_t
*dev_desc
, char *str_disk_guid
,
227 disk_partition_t
*partitions
, const int parts_count
);