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- /*
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #ifndef _PART_H
- #define _PART_H
- #include <ide.h>
- #include <common.h>
- typedef struct block_dev_desc block_dev_desc_t;
- 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)(block_dev_desc_t *block_dev,
- lbaint_t start,
- lbaint_t blkcnt,
- void *buffer);
- unsigned long (*block_write)(block_dev_desc_t *block_dev,
- lbaint_t start,
- lbaint_t blkcnt,
- const void *buffer);
- unsigned long (*block_erase)(block_dev_desc_t *block_dev,
- lbaint_t start,
- lbaint_t blkcnt);
- void *priv; /* driver private struct pointer */
- };
- #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
- #define IF_TYPE_HOST 9
- #define IF_TYPE_MAX 10 /* Max number of IF_TYPE_* supported */
- /* 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
- #ifdef CONFIG_PARTITION_TYPE_GUID
- char type_guid[37]; /* type GUID 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);
- int mmc_select_hwpart(int dev_num, int hwpart);
- block_dev_desc_t* systemace_get_dev(int dev);
- block_dev_desc_t* mg_disk_get_dev(int dev);
- block_dev_desc_t *host_get_dev(int dev);
- int host_get_dev_err(int dev, block_dev_desc_t **blk_devp);
- /* 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 int mmc_select_hwpart(int dev_num, int hwpart) { return -1; }
- 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 block_dev_desc_t *host_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);
- /**
- * get_partition_info_efi_by_name() - Find the specified GPT partition table entry
- *
- * @param dev_desc - block device descriptor
- * @param gpt_name - the specified table entry name
- * @param info - returns the disk partition info
- *
- * @return - '0' on match, '-1' on no match, otherwise error
- */
- int get_partition_info_efi_by_name(block_dev_desc_t *dev_desc,
- const char *name, 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);
- /**
- * is_valid_gpt_buf() - Ensure that the Primary GPT information is valid
- *
- * @param dev_desc - block device descriptor
- * @param buf - buffer which contains the MBR and Primary GPT info
- *
- * @return - '0' on success, otherwise error
- */
- int is_valid_gpt_buf(block_dev_desc_t *dev_desc, void *buf);
- /**
- * write_mbr_and_gpt_partitions() - write MBR, Primary GPT and Backup GPT
- *
- * @param dev_desc - block device descriptor
- * @param buf - buffer which contains the MBR and Primary GPT info
- *
- * @return - '0' on success, otherwise error
- */
- int write_mbr_and_gpt_partitions(block_dev_desc_t *dev_desc, void *buf);
- /**
- * gpt_verify_headers() - Function to read and CRC32 check of the GPT's header
- * and partition table entries (PTE)
- *
- * As a side effect if sets gpt_head and gpt_pte so they point to GPT data.
- *
- * @param dev_desc - block device descriptor
- * @param gpt_head - pointer to GPT header data read from medium
- * @param gpt_pte - pointer to GPT partition table enties read from medium
- *
- * @return - '0' on success, otherwise error
- */
- int gpt_verify_headers(block_dev_desc_t *dev_desc, gpt_header *gpt_head,
- gpt_entry **gpt_pte);
- /**
- * gpt_verify_partitions() - Function to check if partitions' name, start and
- * size correspond to '$partitions' env variable
- *
- * This function checks if on medium stored GPT data is in sync with information
- * provided in '$partitions' environment variable. Specificially, name, start
- * and size of the partition is checked.
- *
- * @param dev_desc - block device descriptor
- * @param partitions - partition data read from '$partitions' env variable
- * @param parts - number of partitions read from '$partitions' env variable
- * @param gpt_head - pointer to GPT header data read from medium
- * @param gpt_pte - pointer to GPT partition table enties read from medium
- *
- * @return - '0' on success, otherwise error
- */
- int gpt_verify_partitions(block_dev_desc_t *dev_desc,
- disk_partition_t *partitions, int parts,
- gpt_header *gpt_head, gpt_entry **gpt_pte);
- #endif
- #endif /* _PART_H */
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