| /* |
| * (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 { |
| 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 |
| #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 |
| int readonly; /* read-only flag is set */ |
| } 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); |
| int get_partition_count_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 */ |