#include <blk.h>
#include <ide.h>
+struct block_drvr {
+ char *name;
+ int (*select_hwpart)(int dev_num, int hwpart);
+};
+
#define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \
((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \
((x & 0xffff0000) ? 16 : 0))
#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
*/
uchar name[32]; /* partition name */
uchar type[32]; /* string type description */
int bootable; /* Active/Bootable flag is set */
-#ifdef CONFIG_PARTITION_UUIDS
+#if CONFIG_IS_ENABLED(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
+#ifdef CONFIG_DOS_PARTITION
+ uchar sys_ind; /* partition type */
+#endif
} disk_partition_t;
/* Misc _get_dev functions */
* error occurred.
*/
struct blk_desc *blk_get_dev(const char *ifname, int dev);
-struct blk_desc *ide_get_dev(int dev);
-struct blk_desc *sata_get_dev(int dev);
-struct blk_desc *scsi_get_dev(int dev);
-struct blk_desc *usb_stor_get_dev(int dev);
-struct blk_desc *mmc_get_dev(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 get_partition_info(struct blk_desc *dev_desc, int part,
- disk_partition_t *info);
-void print_part(struct blk_desc *dev_desc);
-void init_part(struct blk_desc *dev_desc);
+int part_get_info(struct blk_desc *dev_desc, int part, 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_by_str(const char *ifname, const char *dev_str,
struct blk_desc **dev_desc);
-int get_device_and_partition(const char *ifname, const char *dev_part_str,
- struct blk_desc **dev_desc,
- disk_partition_t *info, int allow_whole_dev);
+
+/**
+ * blk_get_device_part_str() - Get a block device and partition
+ *
+ * This calls blk_get_device_by_str() to look up a device. It also looks up
+ * a partition and returns information about it.
+ *
+ * @dev_part_str is in the format:
+ * <dev>.<hw_part>:<part> where <dev> is the device number,
+ * <hw_part> is the optional hardware partition number and
+ * <part> is the partition number
+ *
+ * If ifname is "hostfs" then this function returns the sandbox host block
+ * device.
+ *
+ * If ifname is ubi, then this function returns 0, with @info set to a
+ * special UBI device.
+ *
+ * If @dev_part_str is NULL or empty or "-", then this function looks up
+ * the "bootdevice" environment variable and uses that string instead.
+ *
+ * If the partition string is empty then the first partition is used. If the
+ * partition string is "auto" then the first bootable partition is used.
+ *
+ * @ifname: Interface name (e.g. "ide", "scsi")
+ * @dev_part_str: Device and partition string
+ * @dev_desc: Returns a pointer to the block device on success
+ * @info: Returns partition information
+ * @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 partition number, or -1 on error
+ *
+ */
+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() - 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 struct blk_desc *ide_get_dev(int dev) { return NULL; }
-static inline struct blk_desc *sata_get_dev(int dev) { return NULL; }
-static inline struct blk_desc *scsi_get_dev(int dev) { return NULL; }
-static inline struct blk_desc *usb_stor_get_dev(int dev) { return NULL; }
-static inline struct blk_desc *mmc_get_dev(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 get_partition_info(struct blk_desc *dev_desc, int part,
- disk_partition_t *info) { return -1; }
-static inline void print_part(struct blk_desc *dev_desc) {}
-static inline void init_part(struct blk_desc *dev_desc) {}
+static inline int part_get_info(struct blk_desc *dev_desc, int part,
+ 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) {}
static inline int blk_get_device_by_str(const char *ifname, const char *dev_str,
struct blk_desc **dev_desc)
{ return -1; }
-static inline int get_device_and_partition(const char *ifname,
+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,
{ *dev_desc = NULL; return -1; }
#endif
-#ifdef CONFIG_MAC_PARTITION
-/* disk/part_mac.c */
-int get_partition_info_mac(struct blk_desc *dev_desc, int part,
- disk_partition_t *info);
-void print_part_mac(struct blk_desc *dev_desc);
-int test_part_mac(struct blk_desc *dev_desc);
+/*
+ * We don't support printing partition information in SPL and only support
+ * getting partition information in a few cases.
+ */
+#ifdef CONFIG_SPL_BUILD
+# define part_print_ptr(x) NULL
+# if defined(CONFIG_SPL_EXT_SUPPORT) || defined(CONFIG_SPL_FAT_SUPPORT) || \
+ defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION)
+# define part_get_info_ptr(x) x
+# else
+# define part_get_info_ptr(x) NULL
+# endif
+#else
+#define part_print_ptr(x) x
+#define part_get_info_ptr(x) x
#endif
-#ifdef CONFIG_DOS_PARTITION
-/* disk/part_dos.c */
-int get_partition_info_dos(struct blk_desc *dev_desc, int part,
- disk_partition_t *info);
-void print_part_dos(struct blk_desc *dev_desc);
-int test_part_dos(struct blk_desc *dev_desc);
-#endif
-#ifdef CONFIG_ISO_PARTITION
-/* disk/part_iso.c */
-int get_partition_info_iso(struct blk_desc *dev_desc, int part,
- disk_partition_t *info);
-void print_part_iso(struct blk_desc *dev_desc);
-int test_part_iso(struct blk_desc *dev_desc);
-#endif
+struct part_driver {
+ const char *name;
+ int part_type;
+ const int max_entries; /* maximum number of entries to search */
-#ifdef CONFIG_AMIGA_PARTITION
-/* disk/part_amiga.c */
-int get_partition_info_amiga(struct blk_desc *dev_desc, int part,
- disk_partition_t *info);
-void print_part_amiga(struct blk_desc *dev_desc);
-int test_part_amiga(struct blk_desc *dev_desc);
-#endif
+ /**
+ * get_info() - Get information about a partition
+ *
+ * @dev_desc: Block device descriptor
+ * @part: Partition number (1 = first)
+ * @info: Returns partition information
+ */
+ int (*get_info)(struct blk_desc *dev_desc, int part,
+ disk_partition_t *info);
+
+ /**
+ * print() - Print partition information
+ *
+ * @dev_desc: Block device descriptor
+ */
+ void (*print)(struct blk_desc *dev_desc);
+
+ /**
+ * test() - Test if a device contains this partition type
+ *
+ * @dev_desc: Block device descriptor
+ * @return 0 if the block device appears to contain this partition
+ * type, -ve if not
+ */
+ int (*test)(struct blk_desc *dev_desc);
+};
-#ifdef CONFIG_EFI_PARTITION
+/* Declare a new U-Boot partition 'driver' */
+#define U_BOOT_PART_TYPE(__name) \
+ ll_entry_declare(struct part_driver, __name, part_driver)
+
+#if CONFIG_IS_ENABLED(EFI_PARTITION)
#include <part_efi.h>
/* disk/part_efi.c */
-int get_partition_info_efi(struct blk_desc *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(struct blk_desc *dev_desc,
- const char *name, disk_partition_t *info);
-void print_part_efi(struct blk_desc *dev_desc);
-int test_part_efi(struct blk_desc *dev_desc);
-
/**
* write_gpt_table() - Write the GUID Partition Table to disk
*
gpt_header *gpt_head, gpt_entry **gpt_pte);
#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 */