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 int log2blksz; /* for convenience: log2(blksz) */ 42 char vendor [40+1]; /* IDE model, SCSI Vendor */ 43 char product[20+1]; /* IDE Serial no, SCSI product */ 44 char revision[8+1]; /* firmware revision */ 45 unsigned long (*block_read)(int dev, 46 unsigned long start, 47 lbaint_t blkcnt, 48 void *buffer); 49 unsigned long (*block_write)(int dev, 50 unsigned long start, 51 lbaint_t blkcnt, 52 const void *buffer); 53 unsigned long (*block_erase)(int dev, 54 unsigned long start, 55 lbaint_t blkcnt); 56 void *priv; /* driver private struct pointer */ 57 }block_dev_desc_t; 58 59 #define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz)) 60 #define PAD_TO_BLOCKSIZE(size, block_dev_desc) \ 61 (PAD_SIZE(size, block_dev_desc->blksz)) 62 #define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \ 63 ((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \ 64 ((x & 0xffff0000) ? 16 : 0)) 65 #define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1)) 66 67 /* Interface types: */ 68 #define IF_TYPE_UNKNOWN 0 69 #define IF_TYPE_IDE 1 70 #define IF_TYPE_SCSI 2 71 #define IF_TYPE_ATAPI 3 72 #define IF_TYPE_USB 4 73 #define IF_TYPE_DOC 5 74 #define IF_TYPE_MMC 6 75 #define IF_TYPE_SD 7 76 #define IF_TYPE_SATA 8 77 78 /* Part types */ 79 #define PART_TYPE_UNKNOWN 0x00 80 #define PART_TYPE_MAC 0x01 81 #define PART_TYPE_DOS 0x02 82 #define PART_TYPE_ISO 0x03 83 #define PART_TYPE_AMIGA 0x04 84 #define PART_TYPE_EFI 0x05 85 86 /* 87 * Type string for U-Boot bootable partitions 88 */ 89 #define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */ 90 #define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */ 91 92 /* device types */ 93 #define DEV_TYPE_UNKNOWN 0xff /* not connected */ 94 #define DEV_TYPE_HARDDISK 0x00 /* harddisk */ 95 #define DEV_TYPE_TAPE 0x01 /* Tape */ 96 #define DEV_TYPE_CDROM 0x05 /* CD-ROM */ 97 #define DEV_TYPE_OPDISK 0x07 /* optical disk */ 98 99 typedef struct disk_partition { 100 ulong start; /* # of first block in partition */ 101 ulong size; /* number of blocks in partition */ 102 ulong blksz; /* block size in bytes */ 103 uchar name[32]; /* partition name */ 104 uchar type[32]; /* string type description */ 105 int bootable; /* Active/Bootable flag is set */ 106 #ifdef CONFIG_PARTITION_UUIDS 107 char uuid[37]; /* filesystem UUID as string, if exists */ 108 #endif 109 } disk_partition_t; 110 111 /* Misc _get_dev functions */ 112 #ifdef CONFIG_PARTITIONS 113 block_dev_desc_t *get_dev(const char *ifname, int dev); 114 block_dev_desc_t* ide_get_dev(int dev); 115 block_dev_desc_t* sata_get_dev(int dev); 116 block_dev_desc_t* scsi_get_dev(int dev); 117 block_dev_desc_t* usb_stor_get_dev(int dev); 118 block_dev_desc_t* mmc_get_dev(int dev); 119 block_dev_desc_t* systemace_get_dev(int dev); 120 block_dev_desc_t* mg_disk_get_dev(int dev); 121 122 /* disk/part.c */ 123 int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 124 void print_part (block_dev_desc_t *dev_desc); 125 void init_part (block_dev_desc_t *dev_desc); 126 void dev_print(block_dev_desc_t *dev_desc); 127 int get_device(const char *ifname, const char *dev_str, 128 block_dev_desc_t **dev_desc); 129 int get_device_and_partition(const char *ifname, const char *dev_part_str, 130 block_dev_desc_t **dev_desc, 131 disk_partition_t *info, int allow_whole_dev); 132 #else 133 static inline block_dev_desc_t *get_dev(const char *ifname, int dev) 134 { return NULL; } 135 static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; } 136 static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; } 137 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; } 138 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; } 139 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; } 140 static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; } 141 static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; } 142 143 static inline int get_partition_info (block_dev_desc_t * dev_desc, int part, 144 disk_partition_t *info) { return -1; } 145 static inline void print_part (block_dev_desc_t *dev_desc) {} 146 static inline void init_part (block_dev_desc_t *dev_desc) {} 147 static inline void dev_print(block_dev_desc_t *dev_desc) {} 148 static inline int get_device(const char *ifname, const char *dev_str, 149 block_dev_desc_t **dev_desc) 150 { return -1; } 151 static inline int get_device_and_partition(const char *ifname, 152 const char *dev_part_str, 153 block_dev_desc_t **dev_desc, 154 disk_partition_t *info, 155 int allow_whole_dev) 156 { *dev_desc = NULL; return -1; } 157 #endif 158 159 #ifdef CONFIG_MAC_PARTITION 160 /* disk/part_mac.c */ 161 int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 162 void print_part_mac (block_dev_desc_t *dev_desc); 163 int test_part_mac (block_dev_desc_t *dev_desc); 164 #endif 165 166 #ifdef CONFIG_DOS_PARTITION 167 /* disk/part_dos.c */ 168 int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 169 void print_part_dos (block_dev_desc_t *dev_desc); 170 int test_part_dos (block_dev_desc_t *dev_desc); 171 #endif 172 173 #ifdef CONFIG_ISO_PARTITION 174 /* disk/part_iso.c */ 175 int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 176 void print_part_iso (block_dev_desc_t *dev_desc); 177 int test_part_iso (block_dev_desc_t *dev_desc); 178 #endif 179 180 #ifdef CONFIG_AMIGA_PARTITION 181 /* disk/part_amiga.c */ 182 int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 183 void print_part_amiga (block_dev_desc_t *dev_desc); 184 int test_part_amiga (block_dev_desc_t *dev_desc); 185 #endif 186 187 #ifdef CONFIG_EFI_PARTITION 188 #include <part_efi.h> 189 /* disk/part_efi.c */ 190 int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); 191 void print_part_efi (block_dev_desc_t *dev_desc); 192 int test_part_efi (block_dev_desc_t *dev_desc); 193 194 /** 195 * write_gpt_table() - Write the GUID Partition Table to disk 196 * 197 * @param dev_desc - block device descriptor 198 * @param gpt_h - pointer to GPT header representation 199 * @param gpt_e - pointer to GPT partition table entries 200 * 201 * @return - zero on success, otherwise error 202 */ 203 int write_gpt_table(block_dev_desc_t *dev_desc, 204 gpt_header *gpt_h, gpt_entry *gpt_e); 205 206 /** 207 * gpt_fill_pte(): Fill the GPT partition table entry 208 * 209 * @param gpt_h - GPT header representation 210 * @param gpt_e - GPT partition table entries 211 * @param partitions - list of partitions 212 * @param parts - number of partitions 213 * 214 * @return zero on success 215 */ 216 int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e, 217 disk_partition_t *partitions, int parts); 218 219 /** 220 * gpt_fill_header(): Fill the GPT header 221 * 222 * @param dev_desc - block device descriptor 223 * @param gpt_h - GPT header representation 224 * @param str_guid - disk guid string representation 225 * @param parts_count - number of partitions 226 * 227 * @return - error on str_guid conversion error 228 */ 229 int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h, 230 char *str_guid, int parts_count); 231 232 /** 233 * gpt_restore(): Restore GPT partition table 234 * 235 * @param dev_desc - block device descriptor 236 * @param str_disk_guid - disk GUID 237 * @param partitions - list of partitions 238 * @param parts - number of partitions 239 * 240 * @return zero on success 241 */ 242 int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid, 243 disk_partition_t *partitions, const int parts_count); 244 #endif 245 246 #endif /* _PART_H */ 247