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 #define IF_TYPE_HOST            9
  62 #define IF_TYPE_MAX             10      /* Max number of IF_TYPE_* supported */
  63
  64 /* Part types */
  65 #define PART_TYPE_UNKNOWN       0x00
  66 #define PART_TYPE_MAC           0x01
  67 #define PART_TYPE_DOS           0x02
  68 #define PART_TYPE_ISO           0x03
  69 #define PART_TYPE_AMIGA         0x04
  70 #define PART_TYPE_EFI           0x05
  71
  72 /*
  73  * Type string for U-Boot bootable partitions
  74  */
  75 #define BOOT_PART_TYPE  "U-Boot"        /* primary boot partition type  */
  76 #define BOOT_PART_COMP  "PPCBoot"       /* PPCBoot compatibility type   */
  77
  78 /* device types */
  79 #define DEV_TYPE_UNKNOWN        0xff    /* not connected */
  80 #define DEV_TYPE_HARDDISK       0x00    /* harddisk */
  81 #define DEV_TYPE_TAPE           0x01    /* Tape */
  82 #define DEV_TYPE_CDROM          0x05    /* CD-ROM */
  83 #define DEV_TYPE_OPDISK         0x07    /* optical disk */
  84
  85 typedef struct disk_partition {
  86         lbaint_t        start;  /* # of first block in partition        */
  87         lbaint_t        size;   /* number of blocks in partition        */
  88         ulong   blksz;          /* block size in bytes                  */
  89         uchar   name[32];       /* partition name                       */
  90         uchar   type[32];       /* string type description              */
  91         int     bootable;       /* Active/Bootable flag is set          */
  92 #ifdef CONFIG_PARTITION_UUIDS
  93         char    uuid[37];       /* filesystem UUID as string, if exists */
  94 #endif
  95 } disk_partition_t;
  96
  97 /* Misc _get_dev functions */
  98 #ifdef CONFIG_PARTITIONS
  99 block_dev_desc_t *get_dev(const char *ifname, int dev);
 100 block_dev_desc_t* ide_get_dev(int dev);
 101 block_dev_desc_t* sata_get_dev(int dev);
 102 block_dev_desc_t* scsi_get_dev(int dev);
 103 block_dev_desc_t* usb_stor_get_dev(int dev);
 104 block_dev_desc_t* mmc_get_dev(int dev);
 105 block_dev_desc_t* systemace_get_dev(int dev);
 106 block_dev_desc_t* mg_disk_get_dev(int dev);
 107 block_dev_desc_t *host_get_dev(int dev);
 108 int host_get_dev_err(int dev, block_dev_desc_t **blk_devp);
 109
 110 /* disk/part.c */
 111 int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
 112 void print_part (block_dev_desc_t *dev_desc);
 113 void  init_part (block_dev_desc_t *dev_desc);
 114 void dev_print(block_dev_desc_t *dev_desc);
 115 int get_device(const char *ifname, const char *dev_str,
 116                block_dev_desc_t **dev_desc);
 117 int get_device_and_partition(const char *ifname, const char *dev_part_str,
 118                              block_dev_desc_t **dev_desc,
 119                              disk_partition_t *info, int allow_whole_dev);
 120 #else
 121 static inline block_dev_desc_t *get_dev(const char *ifname, int dev)
 122 { return NULL; }
 123 static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; }
 124 static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
 125 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
 126 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; }
 127 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; }
 128 static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; }
 129 static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; }
 130 static inline block_dev_desc_t *host_get_dev(int dev) { return NULL; }
 131
 132 static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
 133         disk_partition_t *info) { return -1; }
 134 static inline void print_part (block_dev_desc_t *dev_desc) {}
 135 static inline void  init_part (block_dev_desc_t *dev_desc) {}
 136 static inline void dev_print(block_dev_desc_t *dev_desc) {}
 137 static inline int get_device(const char *ifname, const char *dev_str,
 138                block_dev_desc_t **dev_desc)
 139 { return -1; }
 140 static inline int get_device_and_partition(const char *ifname,
 141                                            const char *dev_part_str,
 142                                            block_dev_desc_t **dev_desc,
 143                                            disk_partition_t *info,
 144                                            int allow_whole_dev)
 145 { *dev_desc = NULL; return -1; }
 146 #endif
 147
 148 #ifdef CONFIG_MAC_PARTITION
 149 /* disk/part_mac.c */
 150 int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
 151 void print_part_mac (block_dev_desc_t *dev_desc);
 152 int   test_part_mac (block_dev_desc_t *dev_desc);
 153 #endif
 154
 155 #ifdef CONFIG_DOS_PARTITION
 156 /* disk/part_dos.c */
 157 int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
 158 void print_part_dos (block_dev_desc_t *dev_desc);
 159 int   test_part_dos (block_dev_desc_t *dev_desc);
 160 #endif
 161
 162 #ifdef CONFIG_ISO_PARTITION
 163 /* disk/part_iso.c */
 164 int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
 165 void print_part_iso (block_dev_desc_t *dev_desc);
 166 int   test_part_iso (block_dev_desc_t *dev_desc);
 167 #endif
 168
 169 #ifdef CONFIG_AMIGA_PARTITION
 170 /* disk/part_amiga.c */
 171 int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
 172 void print_part_amiga (block_dev_desc_t *dev_desc);
 173 int   test_part_amiga (block_dev_desc_t *dev_desc);
 174 #endif
 175
 176 #ifdef CONFIG_EFI_PARTITION
 177 #include <part_efi.h>
 178 /* disk/part_efi.c */
 179 int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
 180 void print_part_efi (block_dev_desc_t *dev_desc);
 181 int   test_part_efi (block_dev_desc_t *dev_desc);
 182
 183 /**
 184  * write_gpt_table() - Write the GUID Partition Table to disk
 185  *
 186  * @param dev_desc - block device descriptor
 187  * @param gpt_h - pointer to GPT header representation
 188  * @param gpt_e - pointer to GPT partition table entries
 189  *
 190  * @return - zero on success, otherwise error
 191  */
 192 int write_gpt_table(block_dev_desc_t *dev_desc,
 193                   gpt_header *gpt_h, gpt_entry *gpt_e);
 194
 195 /**
 196  * gpt_fill_pte(): Fill the GPT partition table entry
 197  *
 198  * @param gpt_h - GPT header representation
 199  * @param gpt_e - GPT partition table entries
 200  * @param partitions - list of partitions
 201  * @param parts - number of partitions
 202  *
 203  * @return zero on success
 204  */
 205 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
 206                 disk_partition_t *partitions, int parts);
 207
 208 /**
 209  * gpt_fill_header(): Fill the GPT header
 210  *
 211  * @param dev_desc - block device descriptor
 212  * @param gpt_h - GPT header representation
 213  * @param str_guid - disk guid string representation
 214  * @param parts_count - number of partitions
 215  *
 216  * @return - error on str_guid conversion error
 217  */
 218 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
 219                 char *str_guid, int parts_count);
 220
 221 /**
 222  * gpt_restore(): Restore GPT partition table
 223  *
 224  * @param dev_desc - block device descriptor
 225  * @param str_disk_guid - disk GUID
 226  * @param partitions - list of partitions
 227  * @param parts - number of partitions
 228  *
 229  * @return zero on success
 230  */
 231 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
 232                 disk_partition_t *partitions, const int parts_count);
 233 #endif
 234
 235 #endif /* _PART_H */