/* * (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 #include #include #include #ifndef EINVAL #define EINVAL 22 #endif #define CONFIG_PARTITION_UUIDS #define CONFIG_PARTITION_TYPE_GUID //#define CONFIG_EFI_PARTITION 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 */ /* ported from uboot-2019*/ unsigned char hwpart; /* HW partition, e.g. for eMMC */ 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 #define IF_TYPE_HOST 9 #define IF_TYPE_MTD 10 #define IF_TYPE_MAX 11 /* 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 #define PART_TYPE_AML 0x06 #define PART_TYPE_MTD 0X08 /* * 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 */ #define PART_NAME_LEN 32 #define PART_TYPE_LEN 32 #define MAX_SEARCH_PARTITIONS 64 #define UUID_STR_LEN 36 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[UUID_STR_LEN + 1]; /* type GUID as string, if exists*/ #endif #ifdef CONFIG_DOS_PARTITION uchar sys_ind; /* partition type */ #endif } disk_partition_t; struct disk_part { int partnum; disk_partition_t gpt_part_info; struct list_head list; }; /* 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); #if defined(CONFIG_AML_MTD) && defined(CONFIG_AML_MTD_BLOCK) block_dev_desc_t *mtd_get_block_dev(int dev); #endif /* disk/part.c */ int get_partition_info(block_dev_desc_t *dev_desc, int part, disk_partition_t *info); int get_partition_info_whole_disk(block_dev_desc_t *dev_desc, 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; } #if defined(CONFIG_AML_MTD) && defined(CONFIG_AML_MTD_BLOCK) static inline block_dev_desc_t *mtd_get_block_dev(int dev) { return NULL; } #endif 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_AML_PARTITION /* disk/part_aml.c, for aml emmc only */ int get_partition_info_aml(block_dev_desc_t *dev_desc, int part_num, disk_partition_t * info); int get_partition_info_aml_by_name(block_dev_desc_t *dev_desc, const char *name, disk_partition_t *info); void print_part_aml(block_dev_desc_t *dev_desc); int test_part_aml(block_dev_desc_t *dev_desc); #endif /* * We don't support printing partition information in SPL and only support * getting partition information in a few cases. */ #ifdef CONFIG_SPL_BUILD # define part_print_ptr(x) NULL # if defined(CONFIG_SPL_EXT_SUPPORT) || defined(CONFIG_SPL_FAT_SUPPORT) || \ defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION) # define part_get_info_ptr(x) x # else # define part_get_info_ptr(x) NULL # endif #else #define part_print_ptr(x) x #define part_get_info_ptr(x) x #endif struct part_driver { const char *name; int part_type; const int max_entries; /* maximum number of entries to search */ /** * get_info() - Get information about a partition * * @dev_desc: Block device descriptor * @part: Partition number (1 = first) * @info: Returns partition information */ int (*get_info)(block_dev_desc_t *dev_desc, int part, disk_partition_t *info); /** * print() - Print partition information * * @dev_desc: Block device descriptor */ void (*print)(block_dev_desc_t *dev_desc); /** * test() - Test if a device contains this partition type * * @dev_desc: Block device descriptor * @return 0 if the block device appears to contain this partition * type, -ve if not */ int (*test)(block_dev_desc_t *dev_desc); }; /* Declare a new U-Boot partition 'driver' */ #define U_BOOT_PART_TYPE(__name) \ ll_entry_declare(struct part_driver, __name, part_driver) #ifdef CONFIG_EFI_PARTITION #include /* 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(block_dev_desc_t *dev_desc, 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); /** * erase_gpt_part_table() - erase Primary GPT and Backup GPT * * @return - '0' on success, otherwise error */ int erase_gpt_part_table(block_dev_desc_t *dev_desc); /** * get_disk_guid() - Function to read the GUID string from a device's GPT * * This function reads the GUID string from a block device whose descriptor * is provided. * * @param dev_desc - block device descriptor * @param guid - pre-allocated string in which to return the GUID * * @return - '0' on success, otherwise error */ int get_disk_guid(block_dev_desc_t *dev_desc, char *guid); #endif #if CONFIG_DOS_PARTITION /** * is_valid_dos_buf() - Ensure that a DOS MBR image is valid * * @param buf - buffer which contains the MBR * * @return - '0' on success, otherwise error */ int is_valid_dos_buf(void *buf); /** * write_mbr_partition() - write DOS MBR * * @param dev_desc - block device descriptor * @param buf - buffer which contains the MBR * * @return - '0' on success, otherwise error */ int write_mbr_partition(block_dev_desc_t *dev_desc, void *buf); #endif #endif /* _PART_H */