X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fpart.h;h=0750aee907cffc13f8f8d6f2091215ec7dabafa8;hb=c960ef29cd1bffccb84366cc6ca9c290cb3c36a0;hp=b6d1b33167ba267244e43f04e18cca870116cfc6;hpb=b504ff9f6bbdd4d3700595f64f3c30c5c9f70d35;p=u-boot diff --git a/include/part.h b/include/part.h index b6d1b33167..0750aee907 100644 --- a/include/part.h +++ b/include/part.h @@ -1,14 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * (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 struct block_drvr { char *name; @@ -46,24 +47,34 @@ struct block_drvr { #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 + 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 */ + uchar name[PART_NAME_LEN]; /* partition name */ + uchar type[PART_TYPE_LEN]; /* string type description */ int bootable; /* Active/Bootable flag is set */ #if CONFIG_IS_ENABLED(PARTITION_UUIDS) - char uuid[37]; /* filesystem UUID as string, if exists */ + char uuid[UUID_STR_LEN + 1]; /* filesystem UUID as string, if exists */ #endif #ifdef CONFIG_PARTITION_TYPE_GUID - char type_guid[37]; /* type GUID as string, if exists */ + 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 /** @@ -86,6 +97,12 @@ int host_get_dev_err(int dev, struct blk_desc **blk_devp); /* disk/part.c */ int part_get_info(struct blk_desc *dev_desc, int part, disk_partition_t *info); +/** + * part_get_info_whole_disk() - get partition info for the special case of + * a partition occupying the entire disk. + */ +int part_get_info_whole_disk(struct blk_desc *dev_desc, disk_partition_t *info); + void part_print(struct blk_desc *dev_desc); void part_init(struct blk_desc *dev_desc); void dev_print(struct blk_desc *dev_desc); @@ -155,6 +172,21 @@ int blk_get_device_part_str(const char *ifname, const char *dev_part_str, struct blk_desc **dev_desc, disk_partition_t *info, int allow_whole_dev); +/** + * part_get_info_by_name_type() - Search for a partition by name + * for only specified partition type + * + * @param dev_desc - block device descriptor + * @param gpt_name - the specified table entry name + * @param info - returns the disk partition info + * @param part_type - only search in partitions of this type + * + * @return - the partition number on match (starting on 1), -1 on no match, + * otherwise error + */ +int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name, + disk_partition_t *info, int part_type); + /** * part_get_info_by_name() - Search for a partition by name * among all available registered partitions @@ -163,7 +195,8 @@ int blk_get_device_part_str(const char *ifname, const char *dev_part_str, * @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 + * @return - the partition number on match (starting on 1), -1 on no match, + * otherwise error */ int part_get_info_by_name(struct blk_desc *dev_desc, const char *name, disk_partition_t *info); @@ -190,6 +223,9 @@ static inline struct blk_desc *mg_disk_get_dev(int dev) { return NULL; } static inline int part_get_info(struct blk_desc *dev_desc, int part, disk_partition_t *info) { return -1; } +static inline int part_get_info_whole_disk(struct blk_desc *dev_desc, + disk_partition_t *info) +{ return -1; } static inline void part_print(struct blk_desc *dev_desc) {} static inline void part_init(struct blk_desc *dev_desc) {} static inline void dev_print(struct blk_desc *dev_desc) {} @@ -258,8 +294,9 @@ struct part_driver { #define U_BOOT_PART_TYPE(__name) \ ll_entry_declare(struct part_driver, __name, part_driver) -#if CONFIG_IS_ENABLED(EFI_PARTITION) #include + +#if CONFIG_IS_ENABLED(EFI_PARTITION) /* disk/part_efi.c */ /** * write_gpt_table() - Write the GUID Partition Table to disk @@ -276,6 +313,7 @@ int write_gpt_table(struct blk_desc *dev_desc, /** * gpt_fill_pte(): Fill the GPT partition table entry * + * @param dev_desc - block device descriptor * @param gpt_h - GPT header representation * @param gpt_e - GPT partition table entries * @param partitions - list of partitions @@ -283,8 +321,9 @@ int write_gpt_table(struct blk_desc *dev_desc, * * @return zero on success */ -int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e, - disk_partition_t *partitions, int parts); +int gpt_fill_pte(struct blk_desc *dev_desc, + gpt_header *gpt_h, gpt_entry *gpt_e, + disk_partition_t *partitions, int parts); /** * gpt_fill_header(): Fill the GPT header @@ -366,6 +405,21 @@ int gpt_verify_headers(struct blk_desc *dev_desc, gpt_header *gpt_head, int gpt_verify_partitions(struct blk_desc *dev_desc, disk_partition_t *partitions, int parts, gpt_header *gpt_head, gpt_entry **gpt_pte); + + +/** + * 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(struct blk_desc *dev_desc, char *guid); + #endif #if CONFIG_IS_ENABLED(DOS_PARTITION)