* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _PART_H
#define _PART_H
#include <ide.h>
+#include <common.h>
-typedef struct block_dev_desc {
+typedef struct block_dev_desc block_dev_desc_t;
+
+struct block_dev_desc {
int if_type; /* type of the interface */
int dev; /* device number */
unsigned char part_type; /* partition type */
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,
- unsigned long start,
+ unsigned long (*block_read)(block_dev_desc_t *block_dev,
+ lbaint_t start,
lbaint_t blkcnt,
void *buffer);
- unsigned long (*block_write)(int dev,
- unsigned long start,
+ unsigned long (*block_write)(block_dev_desc_t *block_dev,
+ lbaint_t start,
lbaint_t blkcnt,
const void *buffer);
- unsigned long (*block_erase)(int dev,
- unsigned long start,
+ unsigned long (*block_erase)(block_dev_desc_t *block_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) \
#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 DEV_TYPE_OPDISK 0x07 /* optical disk */
typedef struct disk_partition {
- ulong start; /* # of first block in partition */
- ulong size; /* number of blocks in 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 */
#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 */
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);
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; }
#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 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 */
projects / people / ms / u-boot.git / blobdiff