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 */ 236