#include <blk.h>
#include <ide.h>
+#include <uuid.h>
+#include <linux/list.h>
struct block_drvr {
char *name;
- struct blk_desc* (*get_dev)(int dev);
int (*select_hwpart)(int dev_num, int hwpart);
};
#define PART_TYPE_AMIGA 0x04
#define PART_TYPE_EFI 0x05
+/* maximum number of partition entries supported by search */
+#define DOS_ENTRY_NUMBERS 8
+#define ISO_ENTRY_NUMBERS 64
+#define MAC_ENTRY_NUMBERS 64
+#define AMIGA_ENTRY_NUMBERS 8
/*
* Type string for U-Boot bootable partitions
*/
#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 */
-#ifdef CONFIG_PARTITION_UUIDS
- char uuid[37]; /* filesystem UUID as string, if exists */
+#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
+ 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
/**
*/
struct blk_desc *blk_get_dev(const char *ifname, int dev);
-/**
- * mmc_select_hwpart() - Select the MMC hardware partiion on an MMC device
- *
- * MMC devices can support partitioning at the hardware level. This is quite
- * separate from the normal idea of software-based partitions. MMC hardware
- * partitions must be explicitly selected. Once selected only the region of
- * the device covered by that partition is accessible.
- *
- * The MMC standard provides for two boot partitions (numbered 1 and 2),
- * rpmb (3), and up to 4 addition general-purpose partitions (4-7).
- *
- * @dev_num: Block device number (struct blk_desc->dev value)
- * @hwpart: Hardware partition number to select. 0 means the raw device,
- * 1 is the first partition, 2 is the second, etc.
- * @return 0 if OK, other value for an error
- */
-int mmc_select_hwpart(int dev_num, int hwpart);
-struct blk_desc *systemace_get_dev(int dev);
struct blk_desc *mg_disk_get_dev(int dev);
-struct blk_desc *host_get_dev(int dev);
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);
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
+ *
+ * @param dev_desc - block device descriptor
+ * @param gpt_name - the specified table entry name
+ * @param info - returns the disk partition info
+ *
+ * @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);
+
+/**
+ * part_set_generic_name() - create generic partition like hda1 or sdb2
+ *
+ * Helper function for partition tables, which don't hold partition names
+ * (DOS, ISO). Generates partition name out of the device type and partition
+ * number.
+ *
+ * @dev_desc: pointer to the block device
+ * @part_num: partition number for which the name is generated
+ * @name: buffer where the name is written
+ */
+void part_set_generic_name(const struct blk_desc *dev_desc,
+ int part_num, char *name);
+
extern const struct block_drvr block_drvr[];
#else
static inline struct blk_desc *blk_get_dev(const char *ifname, int dev)
{ return NULL; }
-static inline int mmc_select_hwpart(int dev_num, int hwpart) { return -1; }
-static inline struct blk_desc *systemace_get_dev(int dev) { return NULL; }
static inline struct blk_desc *mg_disk_get_dev(int dev) { return NULL; }
-static inline struct blk_desc *host_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) {}
struct part_driver {
const char *name;
int part_type;
+ const int max_entries; /* maximum number of entries to search */
/**
* get_info() - Get information about a partition
#define U_BOOT_PART_TYPE(__name) \
ll_entry_declare(struct part_driver, __name, part_driver)
-#ifdef CONFIG_EFI_PARTITION
#include <part_efi.h>
-/* disk/part_efi.c */
-/**
- * part_get_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 part_get_info_efi_by_name(struct blk_desc *dev_desc,
- const char *name, disk_partition_t *info);
+#if CONFIG_IS_ENABLED(EFI_PARTITION)
+/* disk/part_efi.c */
/**
* write_gpt_table() - Write the GUID Partition Table to disk
*
/**
* 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
*
* @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
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)
+/**
+ * is_valid_dos_buf() - Ensure that a DOS MBR image is valid
+ *
+ * @param buf - buffer which contains the MBR
+ *
+ * @return - '0' on success, otherwise error
+ */
+int is_valid_dos_buf(void *buf);
+
+/**
+ * write_mbr_partition() - 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);
+
#endif
+
#endif /* _PART_H */
projects / people / ms / u-boot.git / blobdiff