[people/ms/u-boot.git] / include / part.h

/*
 * (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>

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	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)(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 */
Commit	Line	Data
012771d8	1	/*
42dfe7a1	2	* (C) Copyright 2000-2004
012771d8 WD	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
012771d8 WD	4	*
3765b3e7	5	* SPDX-License-Identifier: GPL-2.0+
012771d8 WD	6	*/
	7	#ifndef _PART_H
	8	#define _PART_H
735dd97b	9
6e592385	10	#include <ide.h>
6b423b75	11	#include <common.h>
012771d8	12
7c4213f6	13	struct block_dev_desc {
42dfe7a1	14	int if_type; /* type of the interface */
d049cc7f WD	15	int dev; /* device number */
d049cc7f WD	16	unsigned char part_type; /* partition type */
42dfe7a1 WD	17	unsigned char target; /* target SCSI ID */
42dfe7a1 WD	18	unsigned char lun; /* target LUN */
873cc1d7	19	unsigned char hwpart; /* HW partition, e.g. for eMMC */
42dfe7a1 WD	20	unsigned char type; /* device type */
	21	unsigned char removable; /* removable device */
	22	#ifdef CONFIG_LBA48
	23	unsigned char lba48; /* device can use 48bit addr (ATA/ATAPI v7) */
	24	#endif
985889b1	25	lbaint_t lba; /* number of blocks */
42dfe7a1	26	unsigned long blksz; /* block size */
0472fbfd	27	int log2blksz; /* for convenience: log2(blksz) */
d049cc7f	28	char vendor [40+1]; /* IDE model, SCSI Vendor */
2a4741d9 MZ	29	char product[20+1]; /* IDE Serial no, SCSI product */
2a4741d9 MZ	30	char revision[8+1]; /* firmware revision */
7c4213f6	31	unsigned long (block_read)(block_dev_desc_t block_dev,
ff8fef56	32	lbaint_t start,
6e592385	33	lbaint_t blkcnt,
eb867a76	34	void *buffer);
7c4213f6	35	unsigned long (block_write)(block_dev_desc_t block_dev,
ff8fef56	36	lbaint_t start,
53758fa2 GL	37	lbaint_t blkcnt,
53758fa2 GL	38	const void *buffer);
7c4213f6	39	unsigned long (block_erase)(block_dev_desc_t block_dev,
ff8fef56	40	lbaint_t start,
e6f99a56	41	lbaint_t blkcnt);
c7057b52	42	void priv; / driver private struct pointer */
7c4213f6	43	};
b0fce99b	44
ae1768a7 EE	45	#define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz))
	46	#define PAD_TO_BLOCKSIZE(size, block_dev_desc) \
	47	(PAD_SIZE(size, block_dev_desc->blksz))
0472fbfd EE	48	#define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \
	49	((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \
	50	((x & 0xffff0000) ? 16 : 0))
	51	#define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1))
ae1768a7	52
012771d8	53	/* Interface types: */
b0fce99b WD	54	#define IF_TYPE_UNKNOWN 0
b0fce99b WD	55	#define IF_TYPE_IDE 1
012771d8 WD	56	#define IF_TYPE_SCSI 2
012771d8 WD	57	#define IF_TYPE_ATAPI 3
b0fce99b WD	58	#define IF_TYPE_USB 4
b0fce99b WD	59	#define IF_TYPE_DOC 5
7205e407	60	#define IF_TYPE_MMC 6
c95219fa	61	#define IF_TYPE_SD 7
c7057b52	62	#define IF_TYPE_SATA 8
f4d8de48 HN	63	#define IF_TYPE_HOST 9
f4d8de48 HN	64	#define IF_TYPE_MAX 10 /* Max number of IF_TYPE_* supported */
b0fce99b	65
012771d8	66	/* Part types */
42dfe7a1	67	#define PART_TYPE_UNKNOWN 0x00
012771d8 WD	68	#define PART_TYPE_MAC 0x01
	69	#define PART_TYPE_DOS 0x02
	70	#define PART_TYPE_ISO 0x03
42dfe7a1	71	#define PART_TYPE_AMIGA 0x04
07f3d789	72	#define PART_TYPE_EFI 0x05
c7de829c	73
b0fce99b WD	74	/*
	75	* Type string for U-Boot bootable partitions
	76	*/
	77	#define BOOT_PART_TYPE "U-Boot" /* primary boot partition type */
	78	#define BOOT_PART_COMP "PPCBoot" /* PPCBoot compatibility type */
	79
012771d8	80	/* device types */
b0fce99b WD	81	#define DEV_TYPE_UNKNOWN 0xff /* not connected */
b0fce99b WD	82	#define DEV_TYPE_HARDDISK 0x00 /* harddisk */
42dfe7a1 WD	83	#define DEV_TYPE_TAPE 0x01 /* Tape */
	84	#define DEV_TYPE_CDROM 0x05 /* CD-ROM */
	85	#define DEV_TYPE_OPDISK 0x07 /* optical disk */
012771d8	86
42dfe7a1	87	typedef struct disk_partition {
04735e9c FL	88	lbaint_t start; /* # of first block in partition */
04735e9c FL	89	lbaint_t size; /* number of blocks in partition */
012771d8 WD	90	ulong blksz; /* block size in bytes */
	91	uchar name[32]; /* partition name */
	92	uchar type[32]; /* string type description */
40e0e568	93	int bootable; /* Active/Bootable flag is set */
894bfbbf SW	94	#ifdef CONFIG_PARTITION_UUIDS
	95	char uuid[37]; /* filesystem UUID as string, if exists */
	96	#endif
7561b258 PD	97	#ifdef CONFIG_PARTITION_TYPE_GUID
	98	char type_guid[37]; /* type GUID as string, if exists */
	99	#endif
012771d8 WD	100	} disk_partition_t;
012771d8 WD	101
735dd97b	102	/* Misc _get_dev functions */
df3fc526	103	#ifdef CONFIG_PARTITIONS
99d2c205	104	block_dev_desc_t get_dev(const char ifname, int dev);
735dd97b	105	block_dev_desc_t* ide_get_dev(int dev);
c7057b52	106	block_dev_desc_t* sata_get_dev(int dev);
735dd97b GL	107	block_dev_desc_t* scsi_get_dev(int dev);
	108	block_dev_desc_t* usb_stor_get_dev(int dev);
	109	block_dev_desc_t* mmc_get_dev(int dev);
d2356284	110	int mmc_select_hwpart(int dev_num, int hwpart);
735dd97b	111	block_dev_desc_t* systemace_get_dev(int dev);
75eb82ec	112	block_dev_desc_t* mg_disk_get_dev(int dev);
f4d8de48 HN	113	block_dev_desc_t *host_get_dev(int dev);
f4d8de48 HN	114	int host_get_dev_err(int dev, block_dev_desc_t **blk_devp);
735dd97b	115
012771d8 WD	116	/* disk/part.c */
	117	int get_partition_info (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
	118	void print_part (block_dev_desc_t *dev_desc);
	119	void init_part (block_dev_desc_t *dev_desc);
	120	void dev_print(block_dev_desc_t *dev_desc);
2023e608 SW	121	int get_device(const char ifname, const char dev_str,
2023e608 SW	122	block_dev_desc_t **dev_desc);
10a37fd7	123	int get_device_and_partition(const char ifname, const char dev_part_str,
99d2c205	124	block_dev_desc_t **dev_desc,
10a37fd7	125	disk_partition_t *info, int allow_whole_dev);
df3fc526	126	#else
99d2c205 RH	127	static inline block_dev_desc_t get_dev(const char ifname, int dev)
99d2c205 RH	128	{ return NULL; }
df3fc526 MM	129	static inline block_dev_desc_t* ide_get_dev(int dev) { return NULL; }
	130	static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
	131	static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
	132	static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; }
	133	static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; }
d2356284	134	static inline int mmc_select_hwpart(int dev_num, int hwpart) { return -1; }
df3fc526 MM	135	static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; }
df3fc526 MM	136	static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; }
f4d8de48	137	static inline block_dev_desc_t *host_get_dev(int dev) { return NULL; }
012771d8	138
df3fc526 MM	139	static inline int get_partition_info (block_dev_desc_t * dev_desc, int part,
	140	disk_partition_t *info) { return -1; }
	141	static inline void print_part (block_dev_desc_t *dev_desc) {}
	142	static inline void init_part (block_dev_desc_t *dev_desc) {}
	143	static inline void dev_print(block_dev_desc_t *dev_desc) {}
2023e608 SW	144	static inline int get_device(const char ifname, const char dev_str,
	145	block_dev_desc_t **dev_desc)
	146	{ return -1; }
99d2c205	147	static inline int get_device_and_partition(const char *ifname,
10a37fd7	148	const char *dev_part_str,
99d2c205	149	block_dev_desc_t **dev_desc,
10a37fd7 SW	150	disk_partition_t *info,
10a37fd7 SW	151	int allow_whole_dev)
99d2c205	152	{ *dev_desc = NULL; return -1; }
df3fc526	153	#endif
012771d8 WD	154
	155	#ifdef CONFIG_MAC_PARTITION
	156	/* disk/part_mac.c */
	157	int get_partition_info_mac (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
	158	void print_part_mac (block_dev_desc_t *dev_desc);
	159	int test_part_mac (block_dev_desc_t *dev_desc);
	160	#endif
	161
	162	#ifdef CONFIG_DOS_PARTITION
	163	/* disk/part_dos.c */
	164	int get_partition_info_dos (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
	165	void print_part_dos (block_dev_desc_t *dev_desc);
	166	int test_part_dos (block_dev_desc_t *dev_desc);
	167	#endif
	168
	169	#ifdef CONFIG_ISO_PARTITION
	170	/* disk/part_iso.c */
	171	int get_partition_info_iso (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
	172	void print_part_iso (block_dev_desc_t *dev_desc);
	173	int test_part_iso (block_dev_desc_t *dev_desc);
	174	#endif
	175
c7de829c WD	176	#ifdef CONFIG_AMIGA_PARTITION
	177	/* disk/part_amiga.c */
	178	int get_partition_info_amiga (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
	179	void print_part_amiga (block_dev_desc_t *dev_desc);
	180	int test_part_amiga (block_dev_desc_t *dev_desc);
	181	#endif
	182
07f3d789	183	#ifdef CONFIG_EFI_PARTITION
40684ddb	184	#include <part_efi.h>
07f3d789	185	/* disk/part_efi.c */
07f3d789	186	int get_partition_info_efi (block_dev_desc_t * dev_desc, int part, disk_partition_t *info);
60bf9416 SR	187	/**
	188	* get_partition_info_efi_by_name() - Find the specified GPT partition table entry
	189	*
	190	* @param dev_desc - block device descriptor
	191	* @param gpt_name - the specified table entry name
	192	* @param info - returns the disk partition info
	193	*
	194	* @return - '0' on match, '-1' on no match, otherwise error
	195	*/
	196	int get_partition_info_efi_by_name(block_dev_desc_t *dev_desc,
	197	const char name, disk_partition_t info);
07f3d789	198	void print_part_efi (block_dev_desc_t *dev_desc);
07f3d789	199	int test_part_efi (block_dev_desc_t *dev_desc);
40684ddb ŁM	200
	201	/**
	202	* write_gpt_table() - Write the GUID Partition Table to disk
	203	*
	204	* @param dev_desc - block device descriptor
	205	* @param gpt_h - pointer to GPT header representation
	206	* @param gpt_e - pointer to GPT partition table entries
	207	*
	208	* @return - zero on success, otherwise error
	209	*/
	210	int write_gpt_table(block_dev_desc_t *dev_desc,
	211	gpt_header gpt_h, gpt_entry gpt_e);
	212
	213	/**
	214	* gpt_fill_pte(): Fill the GPT partition table entry
	215	*
	216	* @param gpt_h - GPT header representation
	217	* @param gpt_e - GPT partition table entries
	218	* @param partitions - list of partitions
	219	* @param parts - number of partitions
	220	*
	221	* @return zero on success
	222	*/
	223	int gpt_fill_pte(gpt_header gpt_h, gpt_entry gpt_e,
	224	disk_partition_t *partitions, int parts);
	225
	226	/**
	227	* gpt_fill_header(): Fill the GPT header
	228	*
	229	* @param dev_desc - block device descriptor
	230	* @param gpt_h - GPT header representation
	231	* @param str_guid - disk guid string representation
	232	* @param parts_count - number of partitions
	233	*
	234	* @return - error on str_guid conversion error
	235	*/
	236	int gpt_fill_header(block_dev_desc_t dev_desc, gpt_header gpt_h,
	237	char *str_guid, int parts_count);
	238
	239	/**
	240	* gpt_restore(): Restore GPT partition table
	241	*
	242	* @param dev_desc - block device descriptor
	243	* @param str_disk_guid - disk GUID
	244	* @param partitions - list of partitions
	245	* @param parts - number of partitions
	246	*
	247	* @return zero on success
	248	*/
	249	int gpt_restore(block_dev_desc_t dev_desc, char str_disk_guid,
	250	disk_partition_t *partitions, const int parts_count);
0ff7e585 SR	251
	252	/**
	253	* is_valid_gpt_buf() - Ensure that the Primary GPT information is valid
	254	*
	255	* @param dev_desc - block device descriptor
	256	* @param buf - buffer which contains the MBR and Primary GPT info
	257	*
	258	* @return - '0' on success, otherwise error
	259	*/
	260	int is_valid_gpt_buf(block_dev_desc_t dev_desc, void buf);
	261
	262	/**
	263	* write_mbr_and_gpt_partitions() - write MBR, Primary GPT and Backup GPT
	264	*
	265	* @param dev_desc - block device descriptor
	266	* @param buf - buffer which contains the MBR and Primary GPT info
	267	*
	268	* @return - '0' on success, otherwise error
	269	*/
	270	int write_mbr_and_gpt_partitions(block_dev_desc_t dev_desc, void buf);
cef68bf9 LM	271
	272	/**
	273	* gpt_verify_headers() - Function to read and CRC32 check of the GPT's header
	274	* and partition table entries (PTE)
	275	*
	276	* As a side effect if sets gpt_head and gpt_pte so they point to GPT data.
	277	*
	278	* @param dev_desc - block device descriptor
	279	* @param gpt_head - pointer to GPT header data read from medium
	280	* @param gpt_pte - pointer to GPT partition table enties read from medium
	281	*
	282	* @return - '0' on success, otherwise error
	283	*/
	284	int gpt_verify_headers(block_dev_desc_t dev_desc, gpt_header gpt_head,
	285	gpt_entry **gpt_pte);
	286
	287	/**
	288	* gpt_verify_partitions() - Function to check if partitions' name, start and
	289	* size correspond to '$partitions' env variable
	290	*
	291	* This function checks if on medium stored GPT data is in sync with information
	292	* provided in '$partitions' environment variable. Specificially, name, start
	293	* and size of the partition is checked.
	294	*
	295	* @param dev_desc - block device descriptor
	296	* @param partitions - partition data read from '$partitions' env variable
	297	* @param parts - number of partitions read from '$partitions' env variable
	298	* @param gpt_head - pointer to GPT header data read from medium
	299	* @param gpt_pte - pointer to GPT partition table enties read from medium
	300	*
	301	* @return - '0' on success, otherwise error
	302	*/
	303	int gpt_verify_partitions(block_dev_desc_t *dev_desc,
	304	disk_partition_t *partitions, int parts,
	305	gpt_header gpt_head, gpt_entry *gpt_pte);
07f3d789	306	#endif
07f3d789	307
012771d8	308	#endif /* _PART_H */