+/* 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 <blk.h>
#include <ide.h>
#include <uuid.h>
+#include <linker_lists.h>
#include <linux/list.h>
struct block_drvr {
#define PART_TYPE_LEN 32
#define MAX_SEARCH_PARTITIONS 64
-typedef struct disk_partition {
+#define PART_BOOTABLE ((int)BIT(0))
+#define PART_EFI_SYSTEM_PARTITION ((int)BIT(1))
+
+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[PART_NAME_LEN]; /* partition name */
uchar type[PART_TYPE_LEN]; /* string type description */
- int bootable; /* Active/Bootable flag is set */
+ /*
+ * The bootable is a bitmask with the following fields:
+ *
+ * PART_BOOTABLE the MBR bootable flag is set
+ * PART_EFI_SYSTEM_PARTITION the partition is an EFI system partition
+ */
+ int bootable;
#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
char uuid[UUID_STR_LEN + 1]; /* filesystem UUID 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 disk_partition gpt_part_info;
struct list_head list;
};
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);
+int part_get_info(struct blk_desc *dev_desc, int part,
+ struct disk_partition *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);
+int part_get_info_whole_disk(struct blk_desc *dev_desc,
+ struct disk_partition *info);
void part_print(struct blk_desc *dev_desc);
void part_init(struct blk_desc *dev_desc);
*/
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);
+ struct disk_partition *info, int allow_whole_dev);
/**
* part_get_info_by_name_type() - Search for a partition by name
* otherwise error
*/
int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name,
- disk_partition_t *info, int part_type);
+ struct disk_partition *info, int part_type);
/**
* part_get_info_by_name() - Search for a partition by name
* otherwise error
*/
int part_get_info_by_name(struct blk_desc *dev_desc,
- const char *name, disk_partition_t *info);
+ const char *name, struct disk_partition *info);
+
+/**
+ * Get partition info from dev number + part name, or dev number + part number.
+ *
+ * Parse a device number and partition description (either name or number)
+ * in the form of device number plus partition name separated by a "#"
+ * (like "device_num#partition_name") or a device number plus a partition number
+ * separated by a ":". For example both "0#misc" and "0:1" can be valid
+ * partition descriptions for a given interface. If the partition is found, sets
+ * dev_desc and part_info accordingly with the information of the partition.
+ *
+ * @param[in] dev_iface Device interface
+ * @param[in] dev_part_str Input partition description, like "0#misc" or "0:1"
+ * @param[out] dev_desc Place to store the device description pointer
+ * @param[out] part_info Place to store the partition information
+ * @param[in] allow_whole_dev true to allow the user to select partition 0
+ * (which means the whole device), false to require a valid
+ * partition number >= 1
+ * @return 0 on success, or a negative on error
+ */
+int part_get_info_by_dev_and_name_or_num(const char *dev_iface,
+ const char *dev_part_str,
+ struct blk_desc **dev_desc,
+ struct disk_partition *part_info,
+ int allow_whole_dev);
/**
* part_set_generic_name() - create generic partition like hda1 or sdb2
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; }
+ struct disk_partition *info) { return -1; }
static inline int part_get_info_whole_disk(struct blk_desc *dev_desc,
- disk_partition_t *info)
+ struct disk_partition *info)
{ return -1; }
static inline void part_print(struct blk_desc *dev_desc) {}
static inline void part_init(struct blk_desc *dev_desc) {}
struct blk_desc **dev_desc)
{ return -1; }
static inline 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)
+ const char *dev_part_str,
+ struct blk_desc **dev_desc,
+ struct disk_partition *info,
+ int allow_whole_dev)
{ *dev_desc = NULL; return -1; }
#endif
*/
#ifdef CONFIG_SPL_BUILD
# define part_print_ptr(x) NULL
-# if defined(CONFIG_SPL_EXT_SUPPORT) || defined(CONFIG_SPL_FAT_SUPPORT) || \
+# if defined(CONFIG_SPL_FS_EXT4) || defined(CONFIG_SPL_FS_FAT) || \
defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
# define part_get_info_ptr(x) x
# else
* @info: Returns partition information
*/
int (*get_info)(struct blk_desc *dev_desc, int part,
- disk_partition_t *info);
+ struct disk_partition *info);
/**
* print() - Print partition information
*/
int gpt_fill_pte(struct blk_desc *dev_desc,
gpt_header *gpt_h, gpt_entry *gpt_e,
- disk_partition_t *partitions, int parts);
+ struct disk_partition *partitions, int parts);
/**
* gpt_fill_header(): Fill the GPT header
* @return zero on success
*/
int gpt_restore(struct blk_desc *dev_desc, char *str_disk_guid,
- disk_partition_t *partitions, const int parts_count);
+ struct disk_partition *partitions, const int parts_count);
/**
* is_valid_gpt_buf() - Ensure that the Primary GPT information is valid
* @return - '0' on success, otherwise error
*/
int gpt_verify_partitions(struct blk_desc *dev_desc,
- disk_partition_t *partitions, int parts,
+ struct disk_partition *partitions, int parts,
gpt_header *gpt_head, gpt_entry **gpt_pte);
int is_valid_dos_buf(void *buf);
/**
- * write_mbr_partition() - write DOS MBR
+ * write_mbr_sector() - write DOS MBR
*
* @param dev_desc - block device descriptor
* @param buf - buffer which contains the MBR
*
* @return - '0' on success, otherwise error
*/
-int write_mbr_partition(struct blk_desc *dev_desc, void *buf);
+int write_mbr_sector(struct blk_desc *dev_desc, void *buf);
+
+int write_mbr_partitions(struct blk_desc *dev,
+ struct disk_partition *p, int count, unsigned int disksig);
+int layout_mbr_partitions(struct disk_partition *p, int count,
+ lbaint_t total_sectors);
#endif
+#ifdef CONFIG_PARTITIONS
+/**
+ * part_driver_get_count() - get partition driver count
+ *
+ * @return - number of partition drivers
+ */
+static inline int part_driver_get_count(void)
+{
+ return ll_entry_count(struct part_driver, part_driver);
+}
+
+/**
+ * part_driver_get_first() - get first partition driver
+ *
+ * @return - pointer to first partition driver on success, otherwise NULL
+ */
+static inline struct part_driver *part_driver_get_first(void)
+{
+ return ll_entry_start(struct part_driver, part_driver);
+}
+
+#else
+static inline int part_driver_get_count(void)
+{ return 0; }
+
+static inline struct part_driver *part_driver_get_first(void)
+{ return NULL; }
+#endif /* CONFIG_PARTITIONS */
#endif /* _PART_H */
git.openpandora.org / pandora-u-boot.git / blobdiff