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 block_dev_desc_t* systemace_get_dev(int dev); 107 block_dev_desc_t* mg_disk_get_dev(int dev); 108 block_dev_desc_t *host_get_dev(int dev); 109 int host_get_dev_err(int dev, block_dev_desc_t **blk_devp); 110 111 /* disk/part.c */ 112 int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 113 void print_part (block_dev_desc_t *dev_desc); 114 void init_part (block_dev_desc_t *dev_desc); 115 void dev_print(block_dev_desc_t *dev_desc); 116 int get_device(const char *ifname, const char *dev_str, 117 block_dev_desc_t **dev_desc); 118 int get_device_and_partition(const char *ifname, const char *dev_part_str, 119 block_dev_desc_t **dev_desc, 120 disk_partition_t *info, int allow_whole_dev); 121 #else 122 static inline block_dev_desc_t *get_dev(const char *ifname, int dev) 123 { return NULL; } 124 static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; } 125 static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; } 126 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; } 127 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; } 128 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; } 129 static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; } 130 static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; } 131 static inline block_dev_desc_t *host_get_dev(int dev) { return NULL; } 132 133 static inline int get_partition_info (block_dev_desc_t * dev_desc, int part, 134 disk_partition_t *info) { return -1; } 135 static inline void print_part (block_dev_desc_t *dev_desc) {} 136 static inline void init_part (block_dev_desc_t *dev_desc) {} 137 static inline void dev_print(block_dev_desc_t *dev_desc) {} 138 static inline int get_device(const char *ifname, const char *dev_str, 139 block_dev_desc_t **dev_desc) 140 { return -1; } 141 static inline int get_device_and_partition(const char *ifname, 142 const char *dev_part_str, 143 block_dev_desc_t **dev_desc, 144 disk_partition_t *info, 145 int allow_whole_dev) 146 { *dev_desc = NULL; return -1; } 147 #endif 148 149 #ifdef CONFIG_MAC_PARTITION 150 /* disk/part_mac.c */ 151 int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 152 void print_part_mac (block_dev_desc_t *dev_desc); 153 int test_part_mac (block_dev_desc_t *dev_desc); 154 #endif 155 156 #ifdef CONFIG_DOS_PARTITION 157 /* disk/part_dos.c */ 158 int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 159 void print_part_dos (block_dev_desc_t *dev_desc); 160 int test_part_dos (block_dev_desc_t *dev_desc); 161 #endif 162 163 #ifdef CONFIG_ISO_PARTITION 164 /* disk/part_iso.c */ 165 int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 166 void print_part_iso (block_dev_desc_t *dev_desc); 167 int test_part_iso (block_dev_desc_t *dev_desc); 168 #endif 169 170 #ifdef CONFIG_AMIGA_PARTITION 171 /* disk/part_amiga.c */ 172 int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 173 void print_part_amiga (block_dev_desc_t *dev_desc); 174 int test_part_amiga (block_dev_desc_t *dev_desc); 175 #endif 176 177 #ifdef CONFIG_EFI_PARTITION 178 #include <part_efi.h> 179 /* disk/part_efi.c */ 180 int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 181 void print_part_efi (block_dev_desc_t *dev_desc); 182 int test_part_efi (block_dev_desc_t *dev_desc); 183 184 /** 185 * write_gpt_table() - Write the GUID Partition Table to disk 186 * 187 * @param dev_desc - block device descriptor 188 * @param gpt_h - pointer to GPT header representation 189 * @param gpt_e - pointer to GPT partition table entries 190 * 191 * @return - zero on success, otherwise error 192 */ 193 int write_gpt_table(block_dev_desc_t *dev_desc, 194 gpt_header *gpt_h, gpt_entry *gpt_e); 195 196 /** 197 * gpt_fill_pte(): Fill the GPT partition table entry 198 * 199 * @param gpt_h - GPT header representation 200 * @param gpt_e - GPT partition table entries 201 * @param partitions - list of partitions 202 * @param parts - number of partitions 203 * 204 * @return zero on success 205 */ 206 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e, 207 disk_partition_t *partitions, int parts); 208 209 /** 210 * gpt_fill_header(): Fill the GPT header 211 * 212 * @param dev_desc - block device descriptor 213 * @param gpt_h - GPT header representation 214 * @param str_guid - disk guid string representation 215 * @param parts_count - number of partitions 216 * 217 * @return - error on str_guid conversion error 218 */ 219 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h, 220 char *str_guid, int parts_count); 221 222 /** 223 * gpt_restore(): Restore GPT partition table 224 * 225 * @param dev_desc - block device descriptor 226 * @param str_disk_guid - disk GUID 227 * @param partitions - list of partitions 228 * @param parts - number of partitions 229 * 230 * @return zero on success 231 */ 232 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid, 233 disk_partition_t *partitions, const int parts_count); 234 #endif 235 236 #endif /* _PART_H */ 237