1 /* 2 * (C) Copyright 2000-2004 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 #ifndef _PART_H 24 #define _PART_H 25 26 #include <ide.h> 27 28 typedef struct block_dev_desc { 29 int if_type; /* type of the interface */ 30 int dev; /* device number */ 31 unsigned char part_type; /* partition type */ 32 unsigned char target; /* target SCSI ID */ 33 unsigned char lun; /* target LUN */ 34 unsigned char type; /* device type */ 35 unsigned char removable; /* removable device */ 36 #ifdef CONFIG_LBA48 37 unsigned char lba48; /* device can use 48bit addr (ATA/ATAPI v7) */ 38 #endif 39 lbaint_t lba; /* number of blocks */ 40 unsigned long blksz; /* block size */ 41 char vendor [40+1]; /* IDE model, SCSI Vendor */ 42 char product[20+1]; /* IDE Serial no, SCSI product */ 43 char revision[8+1]; /* firmware revision */ 44 unsigned long (*block_read)(int dev, 45 unsigned long start, 46 lbaint_t blkcnt, 47 void *buffer); 48 unsigned long (*block_write)(int dev, 49 unsigned long start, 50 lbaint_t blkcnt, 51 const void *buffer); 52 unsigned long (*block_erase)(int dev, 53 unsigned long start, 54 lbaint_t blkcnt); 55 void *priv; /* driver private struct pointer */ 56 }block_dev_desc_t; 57 58 #define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz)) 59 #define PAD_TO_BLOCKSIZE(size, block_dev_desc) \ 60 (PAD_SIZE(size, block_dev_desc->blksz)) 61 62 /* Interface types: */ 63 #define IF_TYPE_UNKNOWN 0 64 #define IF_TYPE_IDE 1 65 #define IF_TYPE_SCSI 2 66 #define IF_TYPE_ATAPI 3 67 #define IF_TYPE_USB 4 68 #define IF_TYPE_DOC 5 69 #define IF_TYPE_MMC 6 70 #define IF_TYPE_SD 7 71 #define IF_TYPE_SATA 8 72 73 /* Part types */ 74 #define PART_TYPE_UNKNOWN 0x00 75 #define PART_TYPE_MAC 0x01 76 #define PART_TYPE_DOS 0x02 77 #define PART_TYPE_ISO 0x03 78 #define PART_TYPE_AMIGA 0x04 79 #define PART_TYPE_EFI 0x05 80 81 /* 82 * Type string for U-Boot bootable partitions 83 */ 84 #define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */ 85 #define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */ 86 87 /* device types */ 88 #define DEV_TYPE_UNKNOWN 0xff /* not connected */ 89 #define DEV_TYPE_HARDDISK 0x00 /* harddisk */ 90 #define DEV_TYPE_TAPE 0x01 /* Tape */ 91 #define DEV_TYPE_CDROM 0x05 /* CD-ROM */ 92 #define DEV_TYPE_OPDISK 0x07 /* optical disk */ 93 94 typedef struct disk_partition { 95 ulong start; /* # of first block in partition */ 96 ulong size; /* number of blocks in partition */ 97 ulong blksz; /* block size in bytes */ 98 uchar name[32]; /* partition name */ 99 uchar type[32]; /* string type description */ 100 int bootable; /* Active/Bootable flag is set */ 101 #ifdef CONFIG_PARTITION_UUIDS 102 char uuid[37]; /* filesystem UUID as string, if exists */ 103 #endif 104 } disk_partition_t; 105 106 /* Misc _get_dev functions */ 107 #ifdef CONFIG_PARTITIONS 108 block_dev_desc_t *get_dev(const char *ifname, int dev); 109 block_dev_desc_t* ide_get_dev(int dev); 110 block_dev_desc_t* sata_get_dev(int dev); 111 block_dev_desc_t* scsi_get_dev(int dev); 112 block_dev_desc_t* usb_stor_get_dev(int dev); 113 block_dev_desc_t* mmc_get_dev(int dev); 114 block_dev_desc_t* systemace_get_dev(int dev); 115 block_dev_desc_t* mg_disk_get_dev(int dev); 116 117 /* disk/part.c */ 118 int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 119 void print_part (block_dev_desc_t *dev_desc); 120 void init_part (block_dev_desc_t *dev_desc); 121 void dev_print(block_dev_desc_t *dev_desc); 122 int get_device(const char *ifname, const char *dev_str, 123 block_dev_desc_t **dev_desc); 124 int get_device_and_partition(const char *ifname, const char *dev_part_str, 125 block_dev_desc_t **dev_desc, 126 disk_partition_t *info, int allow_whole_dev); 127 #else 128 static inline block_dev_desc_t *get_dev(const char *ifname, int dev) 129 { return NULL; } 130 static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; } 131 static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; } 132 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; } 133 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; } 134 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; } 135 static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; } 136 static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; } 137 138 static inline int get_partition_info (block_dev_desc_t * dev_desc, int part, 139 disk_partition_t *info) { return -1; } 140 static inline void print_part (block_dev_desc_t *dev_desc) {} 141 static inline void init_part (block_dev_desc_t *dev_desc) {} 142 static inline void dev_print(block_dev_desc_t *dev_desc) {} 143 static inline int get_device(const char *ifname, const char *dev_str, 144 block_dev_desc_t **dev_desc) 145 { return -1; } 146 static inline int get_device_and_partition(const char *ifname, 147 const char *dev_part_str, 148 block_dev_desc_t **dev_desc, 149 disk_partition_t *info, 150 int allow_whole_dev) 151 { *dev_desc = NULL; return -1; } 152 #endif 153 154 #ifdef CONFIG_MAC_PARTITION 155 /* disk/part_mac.c */ 156 int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 157 void print_part_mac (block_dev_desc_t *dev_desc); 158 int test_part_mac (block_dev_desc_t *dev_desc); 159 #endif 160 161 #ifdef CONFIG_DOS_PARTITION 162 /* disk/part_dos.c */ 163 int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 164 void print_part_dos (block_dev_desc_t *dev_desc); 165 int test_part_dos (block_dev_desc_t *dev_desc); 166 #endif 167 168 #ifdef CONFIG_ISO_PARTITION 169 /* disk/part_iso.c */ 170 int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 171 void print_part_iso (block_dev_desc_t *dev_desc); 172 int test_part_iso (block_dev_desc_t *dev_desc); 173 #endif 174 175 #ifdef CONFIG_AMIGA_PARTITION 176 /* disk/part_amiga.c */ 177 int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 178 void print_part_amiga (block_dev_desc_t *dev_desc); 179 int test_part_amiga (block_dev_desc_t *dev_desc); 180 #endif 181 182 #ifdef CONFIG_EFI_PARTITION 183 #include <part_efi.h> 184 /* disk/part_efi.c */ 185 int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 186 void print_part_efi (block_dev_desc_t *dev_desc); 187 int test_part_efi (block_dev_desc_t *dev_desc); 188 189 /** 190 * write_gpt_table() - Write the GUID Partition Table to disk 191 * 192 * @param dev_desc - block device descriptor 193 * @param gpt_h - pointer to GPT header representation 194 * @param gpt_e - pointer to GPT partition table entries 195 * 196 * @return - zero on success, otherwise error 197 */ 198 int write_gpt_table(block_dev_desc_t *dev_desc, 199 gpt_header *gpt_h, gpt_entry *gpt_e); 200 201 /** 202 * gpt_fill_pte(): Fill the GPT partition table entry 203 * 204 * @param gpt_h - GPT header representation 205 * @param gpt_e - GPT partition table entries 206 * @param partitions - list of partitions 207 * @param parts - number of partitions 208 * 209 * @return zero on success 210 */ 211 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e, 212 disk_partition_t *partitions, int parts); 213 214 /** 215 * gpt_fill_header(): Fill the GPT header 216 * 217 * @param dev_desc - block device descriptor 218 * @param gpt_h - GPT header representation 219 * @param str_guid - disk guid string representation 220 * @param parts_count - number of partitions 221 * 222 * @return - error on str_guid conversion error 223 */ 224 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h, 225 char *str_guid, int parts_count); 226 227 /** 228 * gpt_restore(): Restore GPT partition table 229 * 230 * @param dev_desc - block device descriptor 231 * @param str_disk_guid - disk GUID 232 * @param partitions - list of partitions 233 * @param parts - number of partitions 234 * 235 * @return zero on success 236 */ 237 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid, 238 disk_partition_t *partitions, const int parts_count); 239 #endif 240 241 #endif /* _PART_H */ 242