upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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308 lines
11 KiB
308 lines
11 KiB
/*
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* (C) Copyright 2000-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _PART_H
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#define _PART_H
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#include <ide.h>
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#include <common.h>
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struct block_dev_desc {
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int if_type; /* type of the interface */
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int dev; /* device number */
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unsigned char part_type; /* partition type */
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unsigned char target; /* target SCSI ID */
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unsigned char lun; /* target LUN */
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unsigned char hwpart; /* HW partition, e.g. for eMMC */
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unsigned char type; /* device type */
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unsigned char removable; /* removable device */
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#ifdef CONFIG_LBA48
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unsigned char lba48; /* device can use 48bit addr (ATA/ATAPI v7) */
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#endif
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lbaint_t lba; /* number of blocks */
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unsigned long blksz; /* block size */
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int log2blksz; /* for convenience: log2(blksz) */
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char vendor [40+1]; /* IDE model, SCSI Vendor */
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char product[20+1]; /* IDE Serial no, SCSI product */
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char revision[8+1]; /* firmware revision */
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unsigned long (*block_read)(block_dev_desc_t *block_dev,
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lbaint_t start,
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lbaint_t blkcnt,
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void *buffer);
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unsigned long (*block_write)(block_dev_desc_t *block_dev,
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lbaint_t start,
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lbaint_t blkcnt,
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const void *buffer);
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unsigned long (*block_erase)(block_dev_desc_t *block_dev,
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lbaint_t start,
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lbaint_t blkcnt);
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void *priv; /* driver private struct pointer */
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};
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#define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz))
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#define PAD_TO_BLOCKSIZE(size, block_dev_desc) \
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(PAD_SIZE(size, block_dev_desc->blksz))
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#define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \
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((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \
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((x & 0xffff0000) ? 16 : 0))
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#define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1))
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/* Interface types: */
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#define IF_TYPE_UNKNOWN 0
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#define IF_TYPE_IDE 1
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#define IF_TYPE_SCSI 2
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#define IF_TYPE_ATAPI 3
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#define IF_TYPE_USB 4
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#define IF_TYPE_DOC 5
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#define IF_TYPE_MMC 6
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#define IF_TYPE_SD 7
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#define IF_TYPE_SATA 8
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#define IF_TYPE_HOST 9
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#define IF_TYPE_MAX 10 /* Max number of IF_TYPE_* supported */
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/* Part types */
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#define PART_TYPE_UNKNOWN 0x00
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#define PART_TYPE_MAC 0x01
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#define PART_TYPE_DOS 0x02
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#define PART_TYPE_ISO 0x03
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#define PART_TYPE_AMIGA 0x04
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#define PART_TYPE_EFI 0x05
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/*
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* Type string for U-Boot bootable partitions
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*/
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#define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */
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#define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */
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/* device types */
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#define DEV_TYPE_UNKNOWN 0xff /* not connected */
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#define DEV_TYPE_HARDDISK 0x00 /* harddisk */
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#define DEV_TYPE_TAPE 0x01 /* Tape */
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#define DEV_TYPE_CDROM 0x05 /* CD-ROM */
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#define DEV_TYPE_OPDISK 0x07 /* optical disk */
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typedef struct disk_partition {
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lbaint_t start; /* # of first block in partition */
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lbaint_t size; /* number of blocks in partition */
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ulong blksz; /* block size in bytes */
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uchar name[32]; /* partition name */
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uchar type[32]; /* string type description */
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int bootable; /* Active/Bootable flag is set */
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#ifdef CONFIG_PARTITION_UUIDS
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char uuid[37]; /* filesystem UUID as string, if exists */
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#endif
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#ifdef CONFIG_PARTITION_TYPE_GUID
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char type_guid[37]; /* type GUID as string, if exists */
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#endif
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} disk_partition_t;
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/* Misc _get_dev functions */
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#ifdef CONFIG_PARTITIONS
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block_dev_desc_t *get_dev(const char *ifname, int dev);
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block_dev_desc_t* ide_get_dev(int dev);
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block_dev_desc_t* sata_get_dev(int dev);
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block_dev_desc_t* scsi_get_dev(int dev);
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block_dev_desc_t* usb_stor_get_dev(int dev);
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block_dev_desc_t* mmc_get_dev(int dev);
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int mmc_select_hwpart(int dev_num, int hwpart);
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block_dev_desc_t* systemace_get_dev(int dev);
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block_dev_desc_t* mg_disk_get_dev(int dev);
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block_dev_desc_t *host_get_dev(int dev);
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int host_get_dev_err(int dev, block_dev_desc_t **blk_devp);
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/* disk/part.c */
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int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
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void print_part (block_dev_desc_t *dev_desc);
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void init_part (block_dev_desc_t *dev_desc);
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void dev_print(block_dev_desc_t *dev_desc);
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int get_device(const char *ifname, const char *dev_str,
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block_dev_desc_t **dev_desc);
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int get_device_and_partition(const char *ifname, const char *dev_part_str,
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block_dev_desc_t **dev_desc,
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disk_partition_t *info, int allow_whole_dev);
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#else
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static inline block_dev_desc_t *get_dev(const char *ifname, int dev)
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{ return NULL; }
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static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; }
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static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
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static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
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static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; }
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static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; }
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static inline int mmc_select_hwpart(int dev_num, int hwpart) { return -1; }
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static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; }
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static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; }
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static inline block_dev_desc_t *host_get_dev(int dev) { return NULL; }
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static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
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disk_partition_t *info) { return -1; }
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static inline void print_part (block_dev_desc_t *dev_desc) {}
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static inline void init_part (block_dev_desc_t *dev_desc) {}
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static inline void dev_print(block_dev_desc_t *dev_desc) {}
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static inline int get_device(const char *ifname, const char *dev_str,
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block_dev_desc_t **dev_desc)
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{ return -1; }
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static inline int get_device_and_partition(const char *ifname,
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const char *dev_part_str,
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block_dev_desc_t **dev_desc,
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disk_partition_t *info,
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int allow_whole_dev)
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{ *dev_desc = NULL; return -1; }
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#endif
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#ifdef CONFIG_MAC_PARTITION
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/* disk/part_mac.c */
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int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
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void print_part_mac (block_dev_desc_t *dev_desc);
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int test_part_mac (block_dev_desc_t *dev_desc);
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#endif
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#ifdef CONFIG_DOS_PARTITION
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/* disk/part_dos.c */
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int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
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void print_part_dos (block_dev_desc_t *dev_desc);
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int test_part_dos (block_dev_desc_t *dev_desc);
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#endif
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#ifdef CONFIG_ISO_PARTITION
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/* disk/part_iso.c */
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int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
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void print_part_iso (block_dev_desc_t *dev_desc);
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int test_part_iso (block_dev_desc_t *dev_desc);
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#endif
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#ifdef CONFIG_AMIGA_PARTITION
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/* disk/part_amiga.c */
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int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
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void print_part_amiga (block_dev_desc_t *dev_desc);
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int test_part_amiga (block_dev_desc_t *dev_desc);
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#endif
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#ifdef CONFIG_EFI_PARTITION
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#include <part_efi.h>
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/* disk/part_efi.c */
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int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
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/**
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* get_partition_info_efi_by_name() - Find the specified GPT partition table entry
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*
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* @param dev_desc - block device descriptor
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* @param gpt_name - the specified table entry name
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* @param info - returns the disk partition info
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*
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* @return - '0' on match, '-1' on no match, otherwise error
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*/
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int get_partition_info_efi_by_name(block_dev_desc_t *dev_desc,
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const char *name, disk_partition_t *info);
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void print_part_efi (block_dev_desc_t *dev_desc);
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int test_part_efi (block_dev_desc_t *dev_desc);
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/**
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* write_gpt_table() - Write the GUID Partition Table to disk
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*
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* @param dev_desc - block device descriptor
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* @param gpt_h - pointer to GPT header representation
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* @param gpt_e - pointer to GPT partition table entries
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*
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* @return - zero on success, otherwise error
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*/
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int write_gpt_table(block_dev_desc_t *dev_desc,
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gpt_header *gpt_h, gpt_entry *gpt_e);
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/**
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* gpt_fill_pte(): Fill the GPT partition table entry
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*
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* @param gpt_h - GPT header representation
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* @param gpt_e - GPT partition table entries
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* @param partitions - list of partitions
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* @param parts - number of partitions
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*
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* @return zero on success
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*/
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int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
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disk_partition_t *partitions, int parts);
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/**
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* gpt_fill_header(): Fill the GPT header
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*
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* @param dev_desc - block device descriptor
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* @param gpt_h - GPT header representation
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* @param str_guid - disk guid string representation
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* @param parts_count - number of partitions
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*
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* @return - error on str_guid conversion error
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*/
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int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
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char *str_guid, int parts_count);
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/**
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* gpt_restore(): Restore GPT partition table
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*
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* @param dev_desc - block device descriptor
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* @param str_disk_guid - disk GUID
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* @param partitions - list of partitions
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* @param parts - number of partitions
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*
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* @return zero on success
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*/
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int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
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disk_partition_t *partitions, const int parts_count);
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/**
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* is_valid_gpt_buf() - Ensure that the Primary GPT information is valid
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*
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* @param dev_desc - block device descriptor
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* @param buf - buffer which contains the MBR and Primary GPT info
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*
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* @return - '0' on success, otherwise error
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*/
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int is_valid_gpt_buf(block_dev_desc_t *dev_desc, void *buf);
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/**
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* write_mbr_and_gpt_partitions() - write MBR, Primary GPT and Backup GPT
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*
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* @param dev_desc - block device descriptor
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* @param buf - buffer which contains the MBR and Primary GPT info
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*
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* @return - '0' on success, otherwise error
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*/
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int write_mbr_and_gpt_partitions(block_dev_desc_t *dev_desc, void *buf);
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/**
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* gpt_verify_headers() - Function to read and CRC32 check of the GPT's header
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* and partition table entries (PTE)
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*
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* As a side effect if sets gpt_head and gpt_pte so they point to GPT data.
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*
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* @param dev_desc - block device descriptor
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* @param gpt_head - pointer to GPT header data read from medium
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* @param gpt_pte - pointer to GPT partition table enties read from medium
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*
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* @return - '0' on success, otherwise error
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*/
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int gpt_verify_headers(block_dev_desc_t *dev_desc, gpt_header *gpt_head,
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gpt_entry **gpt_pte);
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/**
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* gpt_verify_partitions() - Function to check if partitions' name, start and
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* size correspond to '$partitions' env variable
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*
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* This function checks if on medium stored GPT data is in sync with information
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* provided in '$partitions' environment variable. Specificially, name, start
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* and size of the partition is checked.
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*
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* @param dev_desc - block device descriptor
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* @param partitions - partition data read from '$partitions' env variable
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* @param parts - number of partitions read from '$partitions' env variable
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* @param gpt_head - pointer to GPT header data read from medium
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* @param gpt_pte - pointer to GPT partition table enties read from medium
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*
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* @return - '0' on success, otherwise error
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*/
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int gpt_verify_partitions(block_dev_desc_t *dev_desc,
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disk_partition_t *partitions, int parts,
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gpt_header *gpt_head, gpt_entry **gpt_pte);
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#endif
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#endif /* _PART_H */
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