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 /** 184 * get_partition_info_efi_by_name() - Find the specified GPT partition table entry 185 * 186 * @param dev_desc - block device descriptor 187 * @param gpt_name - the specified table entry name 188 * @param info - returns the disk partition info 189 * 190 * @return - '0' on match, '-1' on no match, otherwise error 191 */ 192 int get_partition_info_efi_by_name(block_dev_desc_t *dev_desc, 193 const char *name, disk_partition_t *info); 194 void print_part_efi (block_dev_desc_t *dev_desc); 195 int test_part_efi (block_dev_desc_t *dev_desc); 196 197 /** 198 * write_gpt_table() - Write the GUID Partition Table to disk 199 * 200 * @param dev_desc - block device descriptor 201 * @param gpt_h - pointer to GPT header representation 202 * @param gpt_e - pointer to GPT partition table entries 203 * 204 * @return - zero on success, otherwise error 205 */ 206 int write_gpt_table(block_dev_desc_t *dev_desc, 207 gpt_header *gpt_h, gpt_entry *gpt_e); 208 209 /** 210 * gpt_fill_pte(): Fill the GPT partition table entry 211 * 212 * @param gpt_h - GPT header representation 213 * @param gpt_e - GPT partition table entries 214 * @param partitions - list of partitions 215 * @param parts - number of partitions 216 * 217 * @return zero on success 218 */ 219 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e, 220 disk_partition_t *partitions, int parts); 221 222 /** 223 * gpt_fill_header(): Fill the GPT header 224 * 225 * @param dev_desc - block device descriptor 226 * @param gpt_h - GPT header representation 227 * @param str_guid - disk guid string representation 228 * @param parts_count - number of partitions 229 * 230 * @return - error on str_guid conversion error 231 */ 232 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h, 233 char *str_guid, int parts_count); 234 235 /** 236 * gpt_restore(): Restore GPT partition table 237 * 238 * @param dev_desc - block device descriptor 239 * @param str_disk_guid - disk GUID 240 * @param partitions - list of partitions 241 * @param parts - number of partitions 242 * 243 * @return zero on success 244 */ 245 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid, 246 disk_partition_t *partitions, const int parts_count); 247 248 /** 249 * is_valid_gpt_buf() - Ensure that the Primary GPT information is valid 250 * 251 * @param dev_desc - block device descriptor 252 * @param buf - buffer which contains the MBR and Primary GPT info 253 * 254 * @return - '0' on success, otherwise error 255 */ 256 int is_valid_gpt_buf(block_dev_desc_t *dev_desc, void *buf); 257 258 /** 259 * write_mbr_and_gpt_partitions() - write MBR, Primary GPT and Backup GPT 260 * 261 * @param dev_desc - block device descriptor 262 * @param buf - buffer which contains the MBR and Primary GPT info 263 * 264 * @return - '0' on success, otherwise error 265 */ 266 int write_mbr_and_gpt_partitions(block_dev_desc_t *dev_desc, void *buf); 267 #endif 268 269 #endif /* _PART_H */ 270