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1 /*
2  * (C) Copyright 2000-2004
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7 #ifndef _PART_H
8 #define _PART_H
9
10 #include <ide.h>
11 #include <common.h>
12
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 */
21 #ifdef CONFIG_LBA48
22         unsigned char   lba48;          /* device can use 48bit addr (ATA/ATAPI v7) */
23 #endif
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,
31                                       lbaint_t start,
32                                       lbaint_t blkcnt,
33                                       void *buffer);
34         unsigned long   (*block_write)(int dev,
35                                        lbaint_t start,
36                                        lbaint_t blkcnt,
37                                        const void *buffer);
38         unsigned long   (*block_erase)(int dev,
39                                        lbaint_t start,
40                                        lbaint_t blkcnt);
41         void            *priv;          /* driver private struct pointer */
42 }block_dev_desc_t;
43
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))
51
52 /* Interface types: */
53 #define IF_TYPE_UNKNOWN         0
54 #define IF_TYPE_IDE             1
55 #define IF_TYPE_SCSI            2
56 #define IF_TYPE_ATAPI           3
57 #define IF_TYPE_USB             4
58 #define IF_TYPE_DOC             5
59 #define IF_TYPE_MMC             6
60 #define IF_TYPE_SD              7
61 #define IF_TYPE_SATA            8
62 #define IF_TYPE_HOST            9
63 #define IF_TYPE_MAX             10      /* Max number of IF_TYPE_* supported */
64
65 /* Part types */
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
72
73 /*
74  * Type string for U-Boot bootable partitions
75  */
76 #define BOOT_PART_TYPE  "U-Boot"        /* primary boot partition type  */
77 #define BOOT_PART_COMP  "PPCBoot"       /* PPCBoot compatibility type   */
78
79 /* device types */
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 */
85
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 */
95 #endif
96 } disk_partition_t;
97
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);
111
112 /* disk/part.c */
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);
122 #else
123 static inline block_dev_desc_t *get_dev(const char *ifname, int dev)
124 { return NULL; }
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; }
134
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)
142 { return -1; }
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,
147                                            int allow_whole_dev)
148 { *dev_desc = NULL; return -1; }
149 #endif
150
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);
156 #endif
157
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);
163 #endif
164
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);
170 #endif
171
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);
177 #endif
178
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);
183 void print_part_efi (block_dev_desc_t *dev_desc);
184 int   test_part_efi (block_dev_desc_t *dev_desc);
185
186 /**
187  * write_gpt_table() - Write the GUID Partition Table to disk
188  *
189  * @param dev_desc - block device descriptor
190  * @param gpt_h - pointer to GPT header representation
191  * @param gpt_e - pointer to GPT partition table entries
192  *
193  * @return - zero on success, otherwise error
194  */
195 int write_gpt_table(block_dev_desc_t *dev_desc,
196                   gpt_header *gpt_h, gpt_entry *gpt_e);
197
198 /**
199  * gpt_fill_pte(): Fill the GPT partition table entry
200  *
201  * @param gpt_h - GPT header representation
202  * @param gpt_e - GPT partition table entries
203  * @param partitions - list of partitions
204  * @param parts - number of partitions
205  *
206  * @return zero on success
207  */
208 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
209                 disk_partition_t *partitions, int parts);
210
211 /**
212  * gpt_fill_header(): Fill the GPT header
213  *
214  * @param dev_desc - block device descriptor
215  * @param gpt_h - GPT header representation
216  * @param str_guid - disk guid string representation
217  * @param parts_count - number of partitions
218  *
219  * @return - error on str_guid conversion error
220  */
221 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
222                 char *str_guid, int parts_count);
223
224 /**
225  * gpt_restore(): Restore GPT partition table
226  *
227  * @param dev_desc - block device descriptor
228  * @param str_disk_guid - disk GUID
229  * @param partitions - list of partitions
230  * @param parts - number of partitions
231  *
232  * @return zero on success
233  */
234 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
235                 disk_partition_t *partitions, const int parts_count);
236 #endif
237
238 #endif /* _PART_H */