Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 528 insertions, 0 deletions

diff --git a/roms/u-boot/include/part.h b/roms/u-boot/include/part.h
new file mode 100644
index 000000000..419c85970
--- /dev/null
+++ b/roms/u-boot/include/part.h
@@ -0,0 +1,528 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+#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 {
+	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 LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1))
+
+/* 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
+
+/* 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 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 */
+
+#define PART_NAME_LEN 32
+#define PART_TYPE_LEN 32
+#define MAX_SEARCH_PARTITIONS 64
+
+#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		*/
+	/*
+	 * 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_PARTITION_TYPE_GUID
+	char	type_guid[UUID_STR_LEN + 1];	/* type GUID as string, if exists	*/
+#endif
+#ifdef CONFIG_DOS_PARTITION
+	uchar	sys_ind;	/* partition type 			*/
+#endif
+};
+
+struct disk_part {
+	int partnum;
+	struct disk_partition gpt_part_info;
+	struct list_head list;
+};
+
+/* Misc _get_dev functions */
+#ifdef CONFIG_PARTITIONS
+/**
+ * blk_get_dev() - get a pointer to a block device given its type and number
+ *
+ * Each interface allocates its own devices and typically struct blk_desc is
+ * contained with the interface's data structure. There is no global
+ * numbering for block devices, so the interface name must be provided.
+ *
+ * @ifname:	Interface name (e.g. "ide", "scsi")
+ * @dev:	Device number (0 for first device on that interface, 1 for
+ *		second, etc.
+ * @return pointer to the block device, or NULL if not available, or an
+ *	   error occurred.
+ */
+struct blk_desc *blk_get_dev(const char *ifname, int dev);
+
+struct blk_desc *mg_disk_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,
+		  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,
+			     struct disk_partition *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);
+
+/**
+ * blk_get_device_by_str() - Get a block device given its interface/hw partition
+ *
+ * Each interface allocates its own devices and typically struct blk_desc is
+ * contained with the interface's data structure. There is no global
+ * numbering for block devices, so the interface name must be provided.
+ *
+ * The hardware parition is not related to the normal software partitioning
+ * of a device - each hardware partition is effectively a separately
+ * accessible block device. When a hardware parition is selected on MMC the
+ * other hardware partitions become inaccessible. The same block device is
+ * used to access all hardware partitions, but its capacity may change when a
+ * different hardware partition is selected.
+ *
+ * When a hardware partition number is given, the block device switches to
+ * that hardware partition.
+ *
+ * @ifname:	Interface name (e.g. "ide", "scsi")
+ * @dev_str:	Device and optional hw partition. This can either be a string
+ *		containing the device number (e.g. "2") or the device number
+ *		and hardware partition number (e.g. "2.4") for devices that
+ *		support it (currently only MMC).
+ * @dev_desc:	Returns a pointer to the block device on success
+ * @return block device number (local to the interface), or -1 on error
+ */
+int blk_get_device_by_str(const char *ifname, const char *dev_str,
+			  struct blk_desc **dev_desc);
+
+/**
+ * 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,
+			    struct disk_partition *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,
+			       struct disk_partition *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, 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 the partition number on success, or negative errno 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
+ *
+ * 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 *mg_disk_get_dev(int dev) { return NULL; }
+
+static inline int part_get_info(struct blk_desc *dev_desc, int part,
+				struct disk_partition *info) { return -1; }
+static inline int part_get_info_whole_disk(struct blk_desc *dev_desc,
+					   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) {}
+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 blk_get_device_part_str(const char *ifname,
+					  const char *dev_part_str,
+					  struct blk_desc **dev_desc,
+					  struct disk_partition *info,
+					  int allow_whole_dev)
+{ *dev_desc = NULL; return -1; }
+static inline 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)
+{
+	*dev_desc = NULL;
+	return -ENOSYS;
+}
+#endif
+
+/*
+ * 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_FS_EXT4) || defined(CONFIG_SPL_FS_FAT) || \
+	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
+
+
+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
+	 *
+	 * @dev_desc:	Block device descriptor
+	 * @part:	Partition number (1 = first)
+	 * @info:	Returns partition information
+	 */
+	int (*get_info)(struct blk_desc *dev_desc, int part,
+			struct disk_partition *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);
+};
+
+/* Declare a new U-Boot partition 'driver' */
+#define U_BOOT_PART_TYPE(__name)					\
+	ll_entry_declare(struct part_driver, __name, part_driver)
+
+#include <part_efi.h>
+
+#if CONFIG_IS_ENABLED(EFI_PARTITION)
+/* disk/part_efi.c */
+/**
+ * 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(struct blk_desc *dev_desc,
+		  gpt_header *gpt_h, gpt_entry *gpt_e);
+
+/**
+ * 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
+ * @param parts - number of partitions
+ *
+ * @return zero on success
+ */
+int gpt_fill_pte(struct blk_desc *dev_desc,
+		 gpt_header *gpt_h, gpt_entry *gpt_e,
+		 struct disk_partition *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(struct blk_desc *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(struct blk_desc *dev_desc, char *str_disk_guid,
+		struct disk_partition *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(struct blk_desc *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(struct blk_desc *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(struct blk_desc *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(struct blk_desc *dev_desc,
+			  struct disk_partition *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_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_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 */