diff options
Diffstat (limited to 'include/part.h')
| -rw-r--r-- | include/part.h | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/include/part.h b/include/part.h new file mode 100644 index 0000000..8e31e75 --- /dev/null +++ b/include/part.h @@ -0,0 +1,246 @@ +/* + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef _PART_H +#define _PART_H + +#include <ide.h> + +typedef struct block_dev_desc { + int if_type; /* type of the interface */ + int dev; /* device number */ + unsigned char part_type; /* partition type */ + unsigned char target; /* target SCSI ID */ + unsigned char lun; /* target LUN */ + unsigned char type; /* device type */ + unsigned char removable; /* removable device */ +#ifdef CONFIG_LBA48 + unsigned char lba48; /* device can use 48bit addr (ATA/ATAPI v7) */ +#endif + lbaint_t lba; /* number of blocks */ + unsigned long blksz; /* block size */ + int log2blksz; /* for convenience: log2(blksz) */ + char vendor [40+1]; /* IDE model, SCSI Vendor */ + char product[20+1]; /* IDE Serial no, SCSI product */ + char revision[8+1]; /* firmware revision */ + unsigned long (*block_read)(int dev, + lbaint_t start, + lbaint_t blkcnt, + void *buffer); + unsigned long (*block_write)(int dev, + lbaint_t start, + lbaint_t blkcnt, + const void *buffer); + unsigned long (*block_erase)(int dev, + lbaint_t start, + lbaint_t blkcnt); + void *priv; /* driver private struct pointer */ +}block_dev_desc_t; + +#define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz)) +#define PAD_TO_BLOCKSIZE(size, block_dev_desc) \ + (PAD_SIZE(size, block_dev_desc->blksz)) +#define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \ + ((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \ + ((x & 0xffff0000) ? 16 : 0)) +#define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1)) + +/* Interface types: */ +#define IF_TYPE_UNKNOWN 0 +#define IF_TYPE_IDE 1 +#define IF_TYPE_SCSI 2 +#define IF_TYPE_ATAPI 3 +#define IF_TYPE_USB 4 +#define IF_TYPE_DOC 5 +#define IF_TYPE_MMC 6 +#define IF_TYPE_SD 7 +#define IF_TYPE_SATA 8 + +/* Part types */ +#define PART_TYPE_UNKNOWN 0x00 +#define PART_TYPE_MAC 0x01 +#define PART_TYPE_DOS 0x02 +#define PART_TYPE_ISO 0x03 +#define PART_TYPE_AMIGA 0x04 +#define PART_TYPE_EFI 0x05 + +/* + * Type string for U-Boot bootable partitions + */ +#define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */ +#define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */ + +/* device types */ +#define DEV_TYPE_UNKNOWN 0xff /* not connected */ +#define DEV_TYPE_HARDDISK 0x00 /* harddisk */ +#define DEV_TYPE_TAPE 0x01 /* Tape */ +#define DEV_TYPE_CDROM 0x05 /* CD-ROM */ +#define DEV_TYPE_OPDISK 0x07 /* optical disk */ + +typedef struct disk_partition { + lbaint_t start; /* # of first block in partition */ + lbaint_t size; /* number of blocks in partition */ + ulong blksz; /* block size in bytes */ + uchar name[32]; /* partition name */ + uchar type[32]; /* string type description */ + int bootable; /* Active/Bootable flag is set */ +#ifdef CONFIG_PARTITION_UUIDS + char uuid[37]; /* filesystem UUID as string, if exists */ +#endif +} disk_partition_t; + +/* Misc _get_dev functions */ +#ifdef CONFIG_PARTITIONS +block_dev_desc_t *get_dev(const char *ifname, int dev); +block_dev_desc_t* ide_get_dev(int dev); +block_dev_desc_t* sata_get_dev(int dev); +block_dev_desc_t* scsi_get_dev(int dev); +block_dev_desc_t* usb_stor_get_dev(int dev); +block_dev_desc_t* mmc_get_dev(int dev); +block_dev_desc_t* systemace_get_dev(int dev); +block_dev_desc_t* mg_disk_get_dev(int dev); + +/* disk/part.c */ +int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); +void print_part (block_dev_desc_t *dev_desc); +void init_part (block_dev_desc_t *dev_desc); +void dev_print(block_dev_desc_t *dev_desc); +int get_device(const char *ifname, const char *dev_str, + block_dev_desc_t **dev_desc); +int get_device_and_partition(const char *ifname, const char *dev_part_str, + block_dev_desc_t **dev_desc, + disk_partition_t *info, int allow_whole_dev); +#else +static inline block_dev_desc_t *get_dev(const char *ifname, int dev) +{ return NULL; } +static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; } +static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; } +static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; } +static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; } +static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; } +static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; } +static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; } + +static inline int get_partition_info (block_dev_desc_t * dev_desc, int part, + disk_partition_t *info) { return -1; } +static inline void print_part (block_dev_desc_t *dev_desc) {} +static inline void init_part (block_dev_desc_t *dev_desc) {} +static inline void dev_print(block_dev_desc_t *dev_desc) {} +static inline int get_device(const char *ifname, const char *dev_str, + block_dev_desc_t **dev_desc) +{ return -1; } +static inline int get_device_and_partition(const char *ifname, + const char *dev_part_str, + block_dev_desc_t **dev_desc, + disk_partition_t *info, + int allow_whole_dev) +{ *dev_desc = NULL; return -1; } +#endif + +#ifdef CONFIG_MAC_PARTITION +/* disk/part_mac.c */ +int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); +void print_part_mac (block_dev_desc_t *dev_desc); +int test_part_mac (block_dev_desc_t *dev_desc); +#endif + +#ifdef CONFIG_DOS_PARTITION +/* disk/part_dos.c */ +int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); +void print_part_dos (block_dev_desc_t *dev_desc); +int test_part_dos (block_dev_desc_t *dev_desc); +#endif + +#ifdef CONFIG_ISO_PARTITION +/* disk/part_iso.c */ +int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); +void print_part_iso (block_dev_desc_t *dev_desc); +int test_part_iso (block_dev_desc_t *dev_desc); +#endif + +#ifdef CONFIG_AMIGA_PARTITION +/* disk/part_amiga.c */ +int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); +void print_part_amiga (block_dev_desc_t *dev_desc); +int test_part_amiga (block_dev_desc_t *dev_desc); +#endif + +#ifdef CONFIG_EFI_PARTITION +#include <part_efi.h> +/* disk/part_efi.c */ +int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info); +void print_part_efi (block_dev_desc_t *dev_desc); +int test_part_efi (block_dev_desc_t *dev_desc); + +/** + * write_gpt_table() - Write the GUID Partition Table to disk + * + * @param dev_desc - block device descriptor + * @param gpt_h - pointer to GPT header representation + * @param gpt_e - pointer to GPT partition table entries + * + * @return - zero on success, otherwise error + */ +int write_gpt_table(block_dev_desc_t *dev_desc, + gpt_header *gpt_h, gpt_entry *gpt_e); + +/** + * gpt_fill_pte(): Fill the GPT partition table entry + * + * @param gpt_h - GPT header representation + * @param gpt_e - GPT partition table entries + * @param partitions - list of partitions + * @param parts - number of partitions + * + * @return zero on success + */ +int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e, + disk_partition_t *partitions, int parts); + +/** + * gpt_fill_header(): Fill the GPT header + * + * @param dev_desc - block device descriptor + * @param gpt_h - GPT header representation + * @param str_guid - disk guid string representation + * @param parts_count - number of partitions + * + * @return - error on str_guid conversion error + */ +int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h, + char *str_guid, int parts_count); + +/** + * gpt_restore(): Restore GPT partition table + * + * @param dev_desc - block device descriptor + * @param str_disk_guid - disk GUID + * @param partitions - list of partitions + * @param parts - number of partitions + * + * @return zero on success + */ +int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid, + disk_partition_t *partitions, const int parts_count); +#endif + +#endif /* _PART_H */ |
