include/part.h

   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
  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 */
  20 #ifdef CONFIG_LBA48
  21         unsigned char   lba48;          /* device can use 48bit addr (ATA/ATAPI v7) */
  22 #endif
  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,
  30                                       lbaint_t start,
  31                                       lbaint_t blkcnt,
  32                                       void *buffer);
  33         unsigned long   (*block_write)(int dev,
  34                                        lbaint_t start,
  35                                        lbaint_t blkcnt,
  36                                        const void *buffer);
  37         unsigned long   (*block_erase)(int dev,
  38                                        lbaint_t start,
  39                                        lbaint_t blkcnt);
  40         void            *priv;          /* driver private struct pointer */
  41 }block_dev_desc_t;
  42
  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))
  50
  51 /* Interface types: */
  52 #define IF_TYPE_UNKNOWN         0
  53 #define IF_TYPE_IDE             1
  54 #define IF_TYPE_SCSI            2
  55 #define IF_TYPE_ATAPI           3
  56 #define IF_TYPE_USB             4
  57 #define IF_TYPE_DOC             5
  58 #define IF_TYPE_MMC             6
  59 #define IF_TYPE_SD              7
  60 #define IF_TYPE_SATA            8
  61
  62 /* Part types */
  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
  69
  70 /*
  71  * Type string for U-Boot bootable partitions
  72  */
  73 #define BOOT_PART_TYPE  "U-Boot"        /* primary boot partition type  */
  74 #define BOOT_PART_COMP  "PPCBoot"       /* PPCBoot compatibility type   */
  75
  76 /* device types */
  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 */
  82
  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 */
  92 #endif
  93 } disk_partition_t;
  94
  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);
 105
 106 /* disk/part.c */
 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);
 116 #else
 117 static inline block_dev_desc_t *get_dev(const char *ifname, int dev)
 118 { return NULL; }
 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; }
 126
 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)
 134 { return -1; }
 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,
 139                                            int allow_whole_dev)
 140 { *dev_desc = NULL; return -1; }
 141 #endif
 142
 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);
 148 #endif
 149
 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);
 155 #endif
 156
 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);
 162 #endif
 163
 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);
 169 #endif
 170
 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);
 177
 178 /**
 179  * write_gpt_table() - Write the GUID Partition Table to disk
 180  *
 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
 184  *
 185  * @return - zero on success, otherwise error
 186  */
 187 int write_gpt_table(block_dev_desc_t *dev_desc,
 188                   gpt_header *gpt_h, gpt_entry *gpt_e);
 189
 190 /**
 191  * gpt_fill_pte(): Fill the GPT partition table entry
 192  *
 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
 197  *
 198  * @return zero on success
 199  */
 200 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
 201                 disk_partition_t *partitions, int parts);
 202
 203 /**
 204  * gpt_fill_header(): Fill the GPT header
 205  *
 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
 210  *
 211  * @return - error on str_guid conversion error
 212  */
 213 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
 214                 char *str_guid, int parts_count);
 215
 216 /**
 217  * gpt_restore(): Restore GPT partition table
 218  *
 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
 223  *
 224  * @return zero on success
 225  */
 226 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
 227                 disk_partition_t *partitions, const int parts_count);
 228 #endif
 229
 230 #endif /* _PART_H */