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 */ 231