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 /* Interface types: */ 59 #define IF_TYPE_UNKNOWN 0 60 #define IF_TYPE_IDE 1 61 #define IF_TYPE_SCSI 2 62 #define IF_TYPE_ATAPI 3 63 #define IF_TYPE_USB 4 64 #define IF_TYPE_DOC 5 65 #define IF_TYPE_MMC 6 66 #define IF_TYPE_SD 7 67 #define IF_TYPE_SATA 8 68 69 /* Part types */ 70 #define PART_TYPE_UNKNOWN 0x00 71 #define PART_TYPE_MAC 0x01 72 #define PART_TYPE_DOS 0x02 73 #define PART_TYPE_ISO 0x03 74 #define PART_TYPE_AMIGA 0x04 75 #define PART_TYPE_EFI 0x05 76 77 /* 78 * Type string for U-Boot bootable partitions 79 */ 80 #define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */ 81 #define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */ 82 83 /* device types */ 84 #define DEV_TYPE_UNKNOWN 0xff /* not connected */ 85 #define DEV_TYPE_HARDDISK 0x00 /* harddisk */ 86 #define DEV_TYPE_TAPE 0x01 /* Tape */ 87 #define DEV_TYPE_CDROM 0x05 /* CD-ROM */ 88 #define DEV_TYPE_OPDISK 0x07 /* optical disk */ 89 90 typedef struct disk_partition { 91 ulong start; /* # of first block in partition */ 92 ulong size; /* number of blocks in partition */ 93 ulong blksz; /* block size in bytes */ 94 uchar name[32]; /* partition name */ 95 uchar type[32]; /* string type description */ 96 int bootable; /* Active/Bootable flag is set */ 97 #ifdef CONFIG_PARTITION_UUIDS 98 char uuid[37]; /* filesystem UUID as string, if exists */ 99 #endif 100 } disk_partition_t; 101 102 /* Misc _get_dev functions */ 103 #ifdef CONFIG_PARTITIONS 104 block_dev_desc_t *get_dev(const char *ifname, int dev); 105 block_dev_desc_t* ide_get_dev(int dev); 106 block_dev_desc_t* sata_get_dev(int dev); 107 block_dev_desc_t* scsi_get_dev(int dev); 108 block_dev_desc_t* usb_stor_get_dev(int dev); 109 block_dev_desc_t* mmc_get_dev(int dev); 110 block_dev_desc_t* systemace_get_dev(int dev); 111 block_dev_desc_t* mg_disk_get_dev(int dev); 112 113 /* disk/part.c */ 114 int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 115 void print_part (block_dev_desc_t *dev_desc); 116 void init_part (block_dev_desc_t *dev_desc); 117 void dev_print(block_dev_desc_t *dev_desc); 118 int get_device(const char *ifname, const char *dev_str, 119 block_dev_desc_t **dev_desc); 120 int get_device_and_partition(const char *ifname, const char *dev_part_str, 121 block_dev_desc_t **dev_desc, 122 disk_partition_t *info, int allow_whole_dev); 123 #else 124 static inline block_dev_desc_t *get_dev(const char *ifname, int dev) 125 { return NULL; } 126 static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; } 127 static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; } 128 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; } 129 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; } 130 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; } 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; } 133 134 static inline int get_partition_info (block_dev_desc_t * dev_desc, int part, 135 disk_partition_t *info) { return -1; } 136 static inline void print_part (block_dev_desc_t *dev_desc) {} 137 static inline void init_part (block_dev_desc_t *dev_desc) {} 138 static inline void dev_print(block_dev_desc_t *dev_desc) {} 139 static inline int get_device(const char *ifname, const char *dev_str, 140 block_dev_desc_t **dev_desc) 141 { return -1; } 142 static inline int get_device_and_partition(const char *ifname, 143 const char *dev_part_str, 144 block_dev_desc_t **dev_desc, 145 disk_partition_t *info, 146 int allow_whole_dev) 147 { *dev_desc = NULL; return -1; } 148 #endif 149 150 #ifdef CONFIG_MAC_PARTITION 151 /* disk/part_mac.c */ 152 int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 153 void print_part_mac (block_dev_desc_t *dev_desc); 154 int test_part_mac (block_dev_desc_t *dev_desc); 155 #endif 156 157 #ifdef CONFIG_DOS_PARTITION 158 /* disk/part_dos.c */ 159 int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 160 void print_part_dos (block_dev_desc_t *dev_desc); 161 int test_part_dos (block_dev_desc_t *dev_desc); 162 #endif 163 164 #ifdef CONFIG_ISO_PARTITION 165 /* disk/part_iso.c */ 166 int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 167 void print_part_iso (block_dev_desc_t *dev_desc); 168 int test_part_iso (block_dev_desc_t *dev_desc); 169 #endif 170 171 #ifdef CONFIG_AMIGA_PARTITION 172 /* disk/part_amiga.c */ 173 int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 174 void print_part_amiga (block_dev_desc_t *dev_desc); 175 int test_part_amiga (block_dev_desc_t *dev_desc); 176 #endif 177 178 #ifdef CONFIG_EFI_PARTITION 179 #include <part_efi.h> 180 /* disk/part_efi.c */ 181 int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 182 void print_part_efi (block_dev_desc_t *dev_desc); 183 int test_part_efi (block_dev_desc_t *dev_desc); 184 185 /** 186 * write_gpt_table() - Write the GUID Partition Table to disk 187 * 188 * @param dev_desc - block device descriptor 189 * @param gpt_h - pointer to GPT header representation 190 * @param gpt_e - pointer to GPT partition table entries 191 * 192 * @return - zero on success, otherwise error 193 */ 194 int write_gpt_table(block_dev_desc_t *dev_desc, 195 gpt_header *gpt_h, gpt_entry *gpt_e); 196 197 /** 198 * gpt_fill_pte(): Fill the GPT partition table entry 199 * 200 * @param gpt_h - GPT header representation 201 * @param gpt_e - GPT partition table entries 202 * @param partitions - list of partitions 203 * @param parts - number of partitions 204 * 205 * @return zero on success 206 */ 207 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e, 208 disk_partition_t *partitions, int parts); 209 210 /** 211 * gpt_fill_header(): Fill the GPT header 212 * 213 * @param dev_desc - block device descriptor 214 * @param gpt_h - GPT header representation 215 * @param str_guid - disk guid string representation 216 * @param parts_count - number of partitions 217 * 218 * @return - error on str_guid conversion error 219 */ 220 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h, 221 char *str_guid, int parts_count); 222 223 /** 224 * gpt_restore(): Restore GPT partition table 225 * 226 * @param dev_desc - block device descriptor 227 * @param str_disk_guid - disk GUID 228 * @param partitions - list of partitions 229 * @param parts - number of partitions 230 * 231 * @return zero on success 232 */ 233 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid, 234 disk_partition_t *partitions, const int parts_count); 235 #endif 236 237 #endif /* _PART_H */ 238